configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  34
  35 rm -f config.log
  36
  37 # Print a helpful header at the top of config.log
  38 echo "# QEMU configure log $(date)" >> config.log
  39 printf "# Configured with:" >> config.log
  40 printf " '%s'" "$0" "$@" >> config.log
  41 echo >> config.log
  42 echo "#" >> config.log
  43
  44 print_error() {
  45     (echo
  46     echo "ERROR: $1"
  47     while test -n "$2"; do
  48         echo "       $2"
  49         shift
  50     done
  51     echo) >&2
  52 }
  53
  54 error_exit() {
  55     print_error "$@"
  56     exit 1
  57 }
  58
  59 do_compiler() {
  60     # Run the compiler, capturing its output to the log. First argument
  61     # is compiler binary to execute.
  62     local compiler="$1"
  63     shift
  64     if test -n "$BASH_VERSION"; then eval '
  65         echo >>config.log "
  66 funcs: ${FUNCNAME[*]}
  67 lines: ${BASH_LINENO[*]}"
  68     '; fi
  69     echo $compiler "$@" >> config.log
  70     $compiler "$@" >> config.log 2>&1 || return $?
  71     # Test passed. If this is an --enable-werror build, rerun
  72     # the test with -Werror and bail out if it fails. This
  73     # makes warning-generating-errors in configure test code
  74     # obvious to developers.
  75     if test "$werror" != "yes"; then
  76         return 0
  77     fi
  78     # Don't bother rerunning the compile if we were already using -Werror
  79     case "$*" in
  80         *-Werror*)
  81            return 0
  82         ;;
  83     esac
  84     echo $compiler -Werror "$@" >> config.log
  85     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  86     error_exit "configure test passed without -Werror but failed with -Werror." \
  87         "This is probably a bug in the configure script. The failing command" \
  88         "will be at the bottom of config.log." \
  89         "You can run configure with --disable-werror to bypass this check."
  90 }
  91
  92 do_cc() {
  93     do_compiler "$cc" "$@"
  94 }
  95
  96 do_cxx() {
  97     do_compiler "$cxx" "$@"
  98 }
  99
 100 # Append $2 to the variable named $1, with space separation
 101 add_to() {
 102     eval $1=\${$1:+\"\$$1 \"}\$2
 103 }
 104
 105 update_cxxflags() {
 106     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 107     # options which some versions of GCC's C++ compiler complain about
 108     # because they only make sense for C programs.
 109     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 110
 111     for arg in $QEMU_CFLAGS; do
 112         case $arg in
 113             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 114             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 115                 ;;
 116             -std=gnu99)
 117                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 118                 ;;
 119             *)
 120                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 121                 ;;
 122         esac
 123     done
 124 }
 125
 126 compile_object() {
 127   local_cflags="$1"
 128   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 129 }
 130
 131 compile_prog() {
 132   local_cflags="$1"
 133   local_ldflags="$2"
 134   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
 135 }
 136
 137 # symbolically link $1 to $2.  Portable version of "ln -sf".
 138 symlink() {
 139   rm -rf "$2"
 140   mkdir -p "$(dirname "$2")"
 141   ln -s "$1" "$2"
 142 }
 143
 144 # check whether a command is available to this shell (may be either an
 145 # executable or a builtin)
 146 has() {
 147     type "$1" >/dev/null 2>&1
 148 }
 149
 150 # search for an executable in PATH
 151 path_of() {
 152     local_command="$1"
 153     local_ifs="$IFS"
 154     local_dir=""
 155
 156     # pathname has a dir component?
 157     if [ "${local_command#*/}" != "$local_command" ]; then
 158         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 159             echo "$local_command"
 160             return 0
 161         fi
 162     fi
 163     if [ -z "$local_command" ]; then
 164         return 1
 165     fi
 166
 167     IFS=:
 168     for local_dir in $PATH; do
 169         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 170             echo "$local_dir/$local_command"
 171             IFS="${local_ifs:-$(printf ' \t\n')}"
 172             return 0
 173         fi
 174     done
 175     # not found
 176     IFS="${local_ifs:-$(printf ' \t\n')}"
 177     return 1
 178 }
 179
 180 have_backend () {
 181     echo "$trace_backends" | grep "$1" >/dev/null
 182 }
 183
 184 glob() {
 185     eval test -z '"${1#'"$2"'}"'
 186 }
 187
 188 supported_hax_target() {
 189     test "$hax" = "yes" || return 1
 190     glob "$1" "*-softmmu" || return 1
 191     case "${1%-softmmu}" in
 192         i386|x86_64)
 193             return 0
 194         ;;
 195     esac
 196     return 1
 197 }
 198
 199 supported_kvm_target() {
 200     test "$kvm" = "yes" || return 1
 201     glob "$1" "*-softmmu" || return 1
 202     case "${1%-softmmu}:$cpu" in
 203         arm:arm | aarch64:aarch64 | \
 204         i386:i386 | i386:x86_64 | i386:x32 | \
 205         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 206         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 207         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 208         s390x:s390x)
 209             return 0
 210         ;;
 211     esac
 212     return 1
 213 }
 214
 215 supported_xen_target() {
 216     test "$xen" = "yes" || return 1
 217     glob "$1" "*-softmmu" || return 1
 218     # Only i386 and x86_64 provide the xenpv machine.
 219     case "${1%-softmmu}" in
 220         i386|x86_64)
 221             return 0
 222         ;;
 223     esac
 224     return 1
 225 }
 226
 227 supported_hvf_target() {
 228     test "$hvf" = "yes" || return 1
 229     glob "$1" "*-softmmu" || return 1
 230     case "${1%-softmmu}" in
 231         x86_64)
 232             return 0
 233         ;;
 234     esac
 235     return 1
 236 }
 237
 238 supported_whpx_target() {
 239     test "$whpx" = "yes" || return 1
 240     glob "$1" "*-softmmu" || return 1
 241     case "${1%-softmmu}" in
 242         i386|x86_64)
 243             return 0
 244         ;;
 245     esac
 246     return 1
 247 }
 248
 249 supported_target() {
 250     case "$1" in
 251         *-softmmu)
 252             ;;
 253         *-linux-user)
 254             if test "$linux" != "yes"; then
 255                 print_error "Target '$target' is only available on a Linux host"
 256                 return 1
 257             fi
 258             ;;
 259         *-bsd-user)
 260             if test "$bsd" != "yes"; then
 261                 print_error "Target '$target' is only available on a BSD host"
 262                 return 1
 263             fi
 264             ;;
 265         *)
 266             print_error "Invalid target name '$target'"
 267             return 1
 268             ;;
 269     esac
 270     test "$tcg" = "yes" && return 0
 271     supported_kvm_target "$1" && return 0
 272     supported_xen_target "$1" && return 0
 273     supported_hax_target "$1" && return 0
 274     supported_hvf_target "$1" && return 0
 275     supported_whpx_target "$1" && return 0
 276     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 277     return 1
 278 }
 279
 280
 281 ld_has() {
 282     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 283 }
 284
 285 # make source path absolute
 286 source_path=$(cd "$(dirname -- "$0")"; pwd)
 287
 288 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 289 then
 290   error_exit "main directory cannot contain spaces nor colons"
 291 fi
 292
 293 # default parameters
 294 cpu=""
 295 iasl="iasl"
 296 interp_prefix="/usr/gnemul/qemu-%M"
 297 static="no"
 298 cross_prefix=""
 299 audio_drv_list=""
 300 block_drv_rw_whitelist=""
 301 block_drv_ro_whitelist=""
 302 host_cc="cc"
 303 libs_cpu=""
 304 libs_softmmu=""
 305 libs_tools=""
 306 audio_win_int=""
 307 libs_qga=""
 308 debug_info="yes"
 309 stack_protector=""
 310 safe_stack=""
 311 use_containers="yes"
 312 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 313
 314 if test -e "$source_path/.git"
 315 then
 316     git_update=yes
 317     git_submodules="ui/keycodemapdb"
 318     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 319     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 320 else
 321     git_update=no
 322     git_submodules=""
 323
 324     if ! test -f "$source_path/ui/keycodemapdb/README"
 325     then
 326         echo
 327         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 328         echo
 329         echo "This is not a GIT checkout but module content appears to"
 330         echo "be missing. Do not use 'git archive' or GitHub download links"
 331         echo "to acquire QEMU source archives. Non-GIT builds are only"
 332         echo "supported with source archives linked from:"
 333         echo
 334         echo "  https://www.qemu.org/download/#source"
 335         echo
 336         echo "Developers working with GIT can use scripts/archive-source.sh"
 337         echo "if they need to create valid source archives."
 338         echo
 339         exit 1
 340     fi
 341 fi
 342 git="git"
 343
 344 # Don't accept a target_list environment variable.
 345 unset target_list
 346 unset target_list_exclude
 347
 348 # Default value for a variable defining feature "foo".
 349 #  * foo="no"  feature will only be used if --enable-foo arg is given
 350 #  * foo=""    feature will be searched for, and if found, will be used
 351 #              unless --disable-foo is given
 352 #  * foo="yes" this value will only be set by --enable-foo flag.
 353 #              feature will searched for,
 354 #              if not found, configure exits with error
 355 #
 356 # Always add --enable-foo and --disable-foo command line args.
 357 # Distributions want to ensure that several features are compiled in, and it
 358 # is impossible without a --enable-foo that exits if a feature is not found.
 359
 360 brlapi=""
 361 curl=""
 362 curses=""
 363 docs=""
 364 fdt=""
 365 netmap="no"
 366 sdl=""
 367 sdl_image=""
 368 virtfs=""
 369 mpath=""
 370 vnc="yes"
 371 sparse="no"
 372 vde=""
 373 vnc_sasl=""
 374 vnc_jpeg=""
 375 vnc_png=""
 376 xkbcommon=""
 377 xen=""
 378 xen_ctrl_version=""
 379 xen_pci_passthrough=""
 380 linux_aio=""
 381 linux_io_uring=""
 382 cap_ng=""
 383 attr=""
 384 libattr=""
 385 xfs=""
 386 tcg="yes"
 387 membarrier=""
 388 vhost_net=""
 389 vhost_crypto=""
 390 vhost_scsi=""
 391 vhost_vsock=""
 392 vhost_user=""
 393 vhost_user_fs=""
 394 kvm="no"
 395 hax="no"
 396 hvf="no"
 397 whpx="no"
 398 rdma=""
 399 pvrdma=""
 400 gprof="no"
 401 debug_tcg="no"
 402 debug="no"
 403 sanitizers="no"
 404 tsan="no"
 405 fortify_source=""
 406 strip_opt="yes"
 407 tcg_interpreter="no"
 408 bigendian="no"
 409 mingw32="no"
 410 gcov="no"
 411 gcov_tool="gcov"
 412 EXESUF=""
 413 DSOSUF=".so"
 414 LDFLAGS_SHARED="-shared"
 415 modules="no"
 416 module_upgrades="no"
 417 prefix="/usr/local"
 418 mandir="\${prefix}/share/man"
 419 datadir="\${prefix}/share"
 420 firmwarepath="\${prefix}/share/qemu-firmware"
 421 efi_aarch64=""
 422 qemu_docdir="\${prefix}/share/doc/qemu"
 423 bindir="\${prefix}/bin"
 424 libdir="\${prefix}/lib"
 425 libexecdir="\${prefix}/libexec"
 426 includedir="\${prefix}/include"
 427 sysconfdir="\${prefix}/etc"
 428 local_statedir="\${prefix}/var"
 429 confsuffix="/qemu"
 430 slirp=""
 431 oss_lib=""
 432 bsd="no"
 433 linux="no"
 434 solaris="no"
 435 profiler="no"
 436 cocoa="no"
 437 softmmu="yes"
 438 linux_user="no"
 439 bsd_user="no"
 440 blobs="yes"
 441 edk2_blobs="no"
 442 pkgversion=""
 443 pie=""
 444 qom_cast_debug="yes"
 445 trace_backends="log"
 446 trace_file="trace"
 447 spice=""
 448 rbd=""
 449 smartcard=""
 450 libusb=""
 451 usb_redir=""
 452 opengl=""
 453 opengl_dmabuf="no"
 454 cpuid_h="no"
 455 avx2_opt=""
 456 zlib="yes"
 457 capstone=""
 458 lzo=""
 459 snappy=""
 460 bzip2=""
 461 lzfse=""
 462 zstd=""
 463 guest_agent=""
 464 guest_agent_with_vss="no"
 465 guest_agent_ntddscsi="no"
 466 guest_agent_msi=""
 467 vss_win32_sdk=""
 468 win_sdk="no"
 469 want_tools=""
 470 libiscsi=""
 471 libnfs=""
 472 coroutine=""
 473 coroutine_pool=""
 474 debug_stack_usage="no"
 475 crypto_afalg="no"
 476 seccomp=""
 477 glusterfs=""
 478 glusterfs_xlator_opt="no"
 479 glusterfs_discard="no"
 480 glusterfs_fallocate="no"
 481 glusterfs_zerofill="no"
 482 glusterfs_ftruncate_has_stat="no"
 483 glusterfs_iocb_has_stat="no"
 484 gtk=""
 485 gtk_gl="no"
 486 tls_priority="NORMAL"
 487 gnutls=""
 488 nettle=""
 489 nettle_xts="no"
 490 gcrypt=""
 491 gcrypt_hmac="no"
 492 gcrypt_xts="no"
 493 qemu_private_xts="yes"
 494 auth_pam=""
 495 vte=""
 496 virglrenderer=""
 497 tpm=""
 498 libssh=""
 499 live_block_migration="yes"
 500 numa=""
 501 tcmalloc="no"
 502 jemalloc="no"
 503 replication="yes"
 504 vxhs=""
 505 bochs="yes"
 506 cloop="yes"
 507 dmg="yes"
 508 qcow1="yes"
 509 vdi="yes"
 510 vvfat="yes"
 511 qed="yes"
 512 parallels="yes"
 513 sheepdog="yes"
 514 libxml2=""
 515 debug_mutex="no"
 516 libpmem=""
 517 default_devices="yes"
 518 plugins="no"
 519 fuzzing="no"
 520 rng_none="no"
 521 secret_keyring=""
 522 libdaxctl=""
 523
 524 supported_cpu="no"
 525 supported_os="no"
 526 bogus_os="no"
 527 malloc_trim=""
 528
 529 # parse CC options first
 530 for opt do
 531   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 532   case "$opt" in
 533   --cross-prefix=*) cross_prefix="$optarg"
 534   ;;
 535   --cc=*) CC="$optarg"
 536   ;;
 537   --cxx=*) CXX="$optarg"
 538   ;;
 539   --cpu=*) cpu="$optarg"
 540   ;;
 541   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 542                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 543   ;;
 544   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 545   ;;
 546   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 547                      EXTRA_LDFLAGS="$optarg"
 548   ;;
 549   --enable-debug-info) debug_info="yes"
 550   ;;
 551   --disable-debug-info) debug_info="no"
 552   ;;
 553   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 554   ;;
 555   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 556                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 557                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 558   ;;
 559   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 560                 cc_archs="$cc_archs $cc_arch"
 561                 eval "cross_cc_${cc_arch}=\$optarg"
 562                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 563   ;;
 564   esac
 565 done
 566 # OS specific
 567 # Using uname is really, really broken.  Once we have the right set of checks
 568 # we can eliminate its usage altogether.
 569
 570 # Preferred compiler:
 571 #  ${CC} (if set)
 572 #  ${cross_prefix}gcc (if cross-prefix specified)
 573 #  system compiler
 574 if test -z "${CC}${cross_prefix}"; then
 575   cc="$host_cc"
 576 else
 577   cc="${CC-${cross_prefix}gcc}"
 578 fi
 579
 580 if test -z "${CXX}${cross_prefix}"; then
 581   cxx="c++"
 582 else
 583   cxx="${CXX-${cross_prefix}g++}"
 584 fi
 585
 586 ar="${AR-${cross_prefix}ar}"
 587 as="${AS-${cross_prefix}as}"
 588 ccas="${CCAS-$cc}"
 589 cpp="${CPP-$cc -E}"
 590 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 591 ld="${LD-${cross_prefix}ld}"
 592 ranlib="${RANLIB-${cross_prefix}ranlib}"
 593 nm="${NM-${cross_prefix}nm}"
 594 strip="${STRIP-${cross_prefix}strip}"
 595 windres="${WINDRES-${cross_prefix}windres}"
 596 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 597 query_pkg_config() {
 598     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 599 }
 600 pkg_config=query_pkg_config
 601 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 602
 603 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 604 ARFLAGS="${ARFLAGS-rv}"
 605
 606 # default flags for all hosts
 607 # We use -fwrapv to tell the compiler that we require a C dialect where
 608 # left shift of signed integers is well defined and has the expected
 609 # 2s-complement style results. (Both clang and gcc agree that it
 610 # provides these semantics.)
 611 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 612 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 613 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 614 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 615 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 616 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 617 if test "$debug_info" = "yes"; then
 618     CFLAGS="-g $CFLAGS"
 619 fi
 620
 621 # running configure in the source tree?
 622 # we know that's the case if configure is there.
 623 if test -f "./configure"; then
 624     pwd_is_source_path="y"
 625 else
 626     pwd_is_source_path="n"
 627 fi
 628
 629 check_define() {
 630 cat > $TMPC <<EOF
 631 #if !defined($1)
 632 #error $1 not defined
 633 #endif
 634 int main(void) { return 0; }
 635 EOF
 636   compile_object
 637 }
 638
 639 check_include() {
 640 cat > $TMPC <<EOF
 641 #include <$1>
 642 int main(void) { return 0; }
 643 EOF
 644   compile_object
 645 }
 646
 647 write_c_skeleton() {
 648     cat > $TMPC <<EOF
 649 int main(void) { return 0; }
 650 EOF
 651 }
 652
 653 write_c_fuzzer_skeleton() {
 654     cat > $TMPC <<EOF
 655 #include <stdint.h>
 656 #include <sys/types.h>
 657 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 658 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 659 EOF
 660 }
 661
 662 if check_define __linux__ ; then
 663   targetos="Linux"
 664 elif check_define _WIN32 ; then
 665   targetos='MINGW32'
 666 elif check_define __OpenBSD__ ; then
 667   targetos='OpenBSD'
 668 elif check_define __sun__ ; then
 669   targetos='SunOS'
 670 elif check_define __HAIKU__ ; then
 671   targetos='Haiku'
 672 elif check_define __FreeBSD__ ; then
 673   targetos='FreeBSD'
 674 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 675   targetos='GNU/kFreeBSD'
 676 elif check_define __DragonFly__ ; then
 677   targetos='DragonFly'
 678 elif check_define __NetBSD__; then
 679   targetos='NetBSD'
 680 elif check_define __APPLE__; then
 681   targetos='Darwin'
 682 else
 683   # This is a fatal error, but don't report it yet, because we
 684   # might be going to just print the --help text, or it might
 685   # be the result of a missing compiler.
 686   targetos='bogus'
 687   bogus_os='yes'
 688 fi
 689
 690 # Some host OSes need non-standard checks for which CPU to use.
 691 # Note that these checks are broken for cross-compilation: if you're
 692 # cross-compiling to one of these OSes then you'll need to specify
 693 # the correct CPU with the --cpu option.
 694 case $targetos in
 695 Darwin)
 696   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 697   # run 64-bit userspace code.
 698   # If the user didn't specify a CPU explicitly and the kernel says this is
 699   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 700   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 701     cpu="x86_64"
 702   fi
 703   ;;
 704 SunOS)
 705   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 706   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 707     cpu="x86_64"
 708   fi
 709 esac
 710
 711 if test ! -z "$cpu" ; then
 712   # command line argument
 713   :
 714 elif check_define __i386__ ; then
 715   cpu="i386"
 716 elif check_define __x86_64__ ; then
 717   if check_define __ILP32__ ; then
 718     cpu="x32"
 719   else
 720     cpu="x86_64"
 721   fi
 722 elif check_define __sparc__ ; then
 723   if check_define __arch64__ ; then
 724     cpu="sparc64"
 725   else
 726     cpu="sparc"
 727   fi
 728 elif check_define _ARCH_PPC ; then
 729   if check_define _ARCH_PPC64 ; then
 730     if check_define _LITTLE_ENDIAN ; then
 731       cpu="ppc64le"
 732     else
 733       cpu="ppc64"
 734     fi
 735   else
 736     cpu="ppc"
 737   fi
 738 elif check_define __mips__ ; then
 739   cpu="mips"
 740 elif check_define __s390__ ; then
 741   if check_define __s390x__ ; then
 742     cpu="s390x"
 743   else
 744     cpu="s390"
 745   fi
 746 elif check_define __riscv ; then
 747   if check_define _LP64 ; then
 748     cpu="riscv64"
 749   else
 750     cpu="riscv32"
 751   fi
 752 elif check_define __arm__ ; then
 753   cpu="arm"
 754 elif check_define __aarch64__ ; then
 755   cpu="aarch64"
 756 else
 757   cpu=$(uname -m)
 758 fi
 759
 760 ARCH=
 761 # Normalise host CPU name and set ARCH.
 762 # Note that this case should only have supported host CPUs, not guests.
 763 case "$cpu" in
 764   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 765     supported_cpu="yes"
 766   ;;
 767   ppc64le)
 768     ARCH="ppc64"
 769     supported_cpu="yes"
 770   ;;
 771   i386|i486|i586|i686|i86pc|BePC)
 772     cpu="i386"
 773     supported_cpu="yes"
 774   ;;
 775   x86_64|amd64)
 776     cpu="x86_64"
 777     supported_cpu="yes"
 778   ;;
 779   armv*b|armv*l|arm)
 780     cpu="arm"
 781     supported_cpu="yes"
 782   ;;
 783   aarch64)
 784     cpu="aarch64"
 785     supported_cpu="yes"
 786   ;;
 787   mips*)
 788     cpu="mips"
 789     supported_cpu="yes"
 790   ;;
 791   sparc|sun4[cdmuv])
 792     cpu="sparc"
 793     supported_cpu="yes"
 794   ;;
 795   *)
 796     # This will result in either an error or falling back to TCI later
 797     ARCH=unknown
 798   ;;
 799 esac
 800 if test -z "$ARCH"; then
 801   ARCH="$cpu"
 802 fi
 803
 804 # OS specific
 805
 806 # host *BSD for user mode
 807 HOST_VARIANT_DIR=""
 808
 809 case $targetos in
 810 MINGW32*)
 811   mingw32="yes"
 812   hax="yes"
 813   vhost_user="no"
 814   audio_possible_drivers="dsound sdl"
 815   if check_include dsound.h; then
 816     audio_drv_list="dsound"
 817   else
 818     audio_drv_list=""
 819   fi
 820   supported_os="yes"
 821   pie="no"
 822 ;;
 823 GNU/kFreeBSD)
 824   bsd="yes"
 825   audio_drv_list="oss try-sdl"
 826   audio_possible_drivers="oss sdl pa"
 827 ;;
 828 FreeBSD)
 829   bsd="yes"
 830   make="${MAKE-gmake}"
 831   audio_drv_list="oss try-sdl"
 832   audio_possible_drivers="oss sdl pa"
 833   # needed for kinfo_getvmmap(3) in libutil.h
 834   LIBS="-lutil $LIBS"
 835   # needed for kinfo_getproc
 836   libs_qga="-lutil $libs_qga"
 837   netmap=""  # enable netmap autodetect
 838   HOST_VARIANT_DIR="freebsd"
 839   supported_os="yes"
 840 ;;
 841 DragonFly)
 842   bsd="yes"
 843   make="${MAKE-gmake}"
 844   audio_drv_list="oss try-sdl"
 845   audio_possible_drivers="oss sdl pa"
 846   HOST_VARIANT_DIR="dragonfly"
 847 ;;
 848 NetBSD)
 849   bsd="yes"
 850   hax="yes"
 851   make="${MAKE-gmake}"
 852   audio_drv_list="oss try-sdl"
 853   audio_possible_drivers="oss sdl"
 854   oss_lib="-lossaudio"
 855   HOST_VARIANT_DIR="netbsd"
 856   supported_os="yes"
 857 ;;
 858 OpenBSD)
 859   bsd="yes"
 860   make="${MAKE-gmake}"
 861   audio_drv_list="try-sdl"
 862   audio_possible_drivers="sdl"
 863   HOST_VARIANT_DIR="openbsd"
 864   supported_os="yes"
 865 ;;
 866 Darwin)
 867   bsd="yes"
 868   darwin="yes"
 869   hax="yes"
 870   hvf="yes"
 871   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 872   if [ "$cpu" = "x86_64" ] ; then
 873     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 874     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 875   fi
 876   cocoa="yes"
 877   audio_drv_list="coreaudio try-sdl"
 878   audio_possible_drivers="coreaudio sdl"
 879   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 880   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 881   # Disable attempts to use ObjectiveC features in os/object.h since they
 882   # won't work when we're compiling with gcc as a C compiler.
 883   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 884   HOST_VARIANT_DIR="darwin"
 885   supported_os="yes"
 886 ;;
 887 SunOS)
 888   solaris="yes"
 889   make="${MAKE-gmake}"
 890   install="${INSTALL-ginstall}"
 891   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 892   if test -f /usr/include/sys/soundcard.h ; then
 893     audio_drv_list="oss try-sdl"
 894   fi
 895   audio_possible_drivers="oss sdl"
 896 # needed for CMSG_ macros in sys/socket.h
 897   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 898 # needed for TIOCWIN* defines in termios.h
 899   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 900   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 901   solarisnetlibs="-lsocket -lnsl -lresolv"
 902   LIBS="$solarisnetlibs $LIBS"
 903   libs_qga="$solarisnetlibs $libs_qga"
 904 ;;
 905 Haiku)
 906   haiku="yes"
 907   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 908   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 909 ;;
 910 Linux)
 911   audio_drv_list="try-pa oss"
 912   audio_possible_drivers="oss alsa sdl pa"
 913   linux="yes"
 914   linux_user="yes"
 915   kvm="yes"
 916   QEMU_INCLUDES="-isystem \$(SRC_PATH)/linux-headers -isystem $PWD/linux-headers $QEMU_INCLUDES"
 917   supported_os="yes"
 918   libudev="yes"
 919 ;;
 920 esac
 921
 922 if [ "$bsd" = "yes" ] ; then
 923   if [ "$darwin" != "yes" ] ; then
 924     bsd_user="yes"
 925   fi
 926 fi
 927
 928 : ${make=${MAKE-make}}
 929 : ${install=${INSTALL-install}}
 930 # We prefer python 3.x. A bare 'python' is traditionally
 931 # python 2.x, but some distros have it as python 3.x, so
 932 # we check that too
 933 python=
 934 for binary in "${PYTHON-python3}" python
 935 do
 936     if has "$binary"
 937     then
 938         python=$(command -v "$binary")
 939         break
 940     fi
 941 done
 942
 943 sphinx_build=
 944 for binary in sphinx-build-3 sphinx-build
 945 do
 946     if has "$binary"
 947     then
 948         sphinx_build=$(command -v "$binary")
 949         break
 950     fi
 951 done
 952
 953 # Check for ancillary tools used in testing
 954 genisoimage=
 955 for binary in genisoimage mkisofs
 956 do
 957     if has $binary
 958     then
 959         genisoimage=$(command -v "$binary")
 960         break
 961     fi
 962 done
 963
 964 # Check for existence of python3 yaml, needed to
 965 # import yaml config files into vm-build.
 966 python_yaml="no"
 967 if $(python3 -c "import yaml" 2> /dev/null); then
 968     python_yaml="yes"
 969 fi
 970
 971 : ${smbd=${SMBD-/usr/sbin/smbd}}
 972
 973 # Default objcc to clang if available, otherwise use CC
 974 if has clang; then
 975   objcc=clang
 976 else
 977   objcc="$cc"
 978 fi
 979
 980 if test "$mingw32" = "yes" ; then
 981   EXESUF=".exe"
 982   DSOSUF=".dll"
 983   # MinGW needs -mthreads for TLS and macro _MT.
 984   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 985   LIBS="-lwinmm -lws2_32 $LIBS"
 986   write_c_skeleton;
 987   if compile_prog "" "-liberty" ; then
 988     LIBS="-liberty $LIBS"
 989   fi
 990   prefix="c:/Program Files/QEMU"
 991   mandir="\${prefix}"
 992   datadir="\${prefix}"
 993   qemu_docdir="\${prefix}"
 994   bindir="\${prefix}"
 995   sysconfdir="\${prefix}"
 996   local_statedir=
 997   confsuffix=""
 998   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 999 fi
1000
1001 werror=""
1002
1003 for opt do
1004   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1005   case "$opt" in
1006   --help|-h) show_help=yes
1007   ;;
1008   --version|-V) exec cat $source_path/VERSION
1009   ;;
1010   --prefix=*) prefix="$optarg"
1011   ;;
1012   --interp-prefix=*) interp_prefix="$optarg"
1013   ;;
1014   --cross-prefix=*)
1015   ;;
1016   --cc=*)
1017   ;;
1018   --host-cc=*) host_cc="$optarg"
1019   ;;
1020   --cxx=*)
1021   ;;
1022   --iasl=*) iasl="$optarg"
1023   ;;
1024   --objcc=*) objcc="$optarg"
1025   ;;
1026   --make=*) make="$optarg"
1027   ;;
1028   --install=*) install="$optarg"
1029   ;;
1030   --python=*) python="$optarg"
1031   ;;
1032   --sphinx-build=*) sphinx_build="$optarg"
1033   ;;
1034   --gcov=*) gcov_tool="$optarg"
1035   ;;
1036   --smbd=*) smbd="$optarg"
1037   ;;
1038   --extra-cflags=*)
1039   ;;
1040   --extra-cxxflags=*)
1041   ;;
1042   --extra-ldflags=*)
1043   ;;
1044   --enable-debug-info)
1045   ;;
1046   --disable-debug-info)
1047   ;;
1048   --cross-cc-*)
1049   ;;
1050   --enable-modules)
1051       modules="yes"
1052   ;;
1053   --disable-modules)
1054       modules="no"
1055   ;;
1056   --disable-module-upgrades) module_upgrades="no"
1057   ;;
1058   --enable-module-upgrades) module_upgrades="yes"
1059   ;;
1060   --cpu=*)
1061   ;;
1062   --target-list=*) target_list="$optarg"
1063                    if test "$target_list_exclude"; then
1064                        error_exit "Can't mix --target-list with --target-list-exclude"
1065                    fi
1066   ;;
1067   --target-list-exclude=*) target_list_exclude="$optarg"
1068                    if test "$target_list"; then
1069                        error_exit "Can't mix --target-list-exclude with --target-list"
1070                    fi
1071   ;;
1072   --enable-trace-backends=*) trace_backends="$optarg"
1073   ;;
1074   # XXX: backwards compatibility
1075   --enable-trace-backend=*) trace_backends="$optarg"
1076   ;;
1077   --with-trace-file=*) trace_file="$optarg"
1078   ;;
1079   --with-default-devices) default_devices="yes"
1080   ;;
1081   --without-default-devices) default_devices="no"
1082   ;;
1083   --enable-gprof) gprof="yes"
1084   ;;
1085   --enable-gcov) gcov="yes"
1086   ;;
1087   --static)
1088     static="yes"
1089     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1090   ;;
1091   --mandir=*) mandir="$optarg"
1092   ;;
1093   --bindir=*) bindir="$optarg"
1094   ;;
1095   --libdir=*) libdir="$optarg"
1096   ;;
1097   --libexecdir=*) libexecdir="$optarg"
1098   ;;
1099   --includedir=*) includedir="$optarg"
1100   ;;
1101   --datadir=*) datadir="$optarg"
1102   ;;
1103   --with-confsuffix=*) confsuffix="$optarg"
1104   ;;
1105   --docdir=*) qemu_docdir="$optarg"
1106   ;;
1107   --sysconfdir=*) sysconfdir="$optarg"
1108   ;;
1109   --localstatedir=*) local_statedir="$optarg"
1110   ;;
1111   --firmwarepath=*) firmwarepath="$optarg"
1112   ;;
1113   --efi-aarch64=*) efi_aarch64="$optarg"
1114   ;;
1115   --host=*|--build=*|\
1116   --disable-dependency-tracking|\
1117   --sbindir=*|--sharedstatedir=*|\
1118   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1119   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1120     # These switches are silently ignored, for compatibility with
1121     # autoconf-generated configure scripts. This allows QEMU's
1122     # configure to be used by RPM and similar macros that set
1123     # lots of directory switches by default.
1124   ;;
1125   --disable-sdl) sdl="no"
1126   ;;
1127   --enable-sdl) sdl="yes"
1128   ;;
1129   --disable-sdl-image) sdl_image="no"
1130   ;;
1131   --enable-sdl-image) sdl_image="yes"
1132   ;;
1133   --disable-qom-cast-debug) qom_cast_debug="no"
1134   ;;
1135   --enable-qom-cast-debug) qom_cast_debug="yes"
1136   ;;
1137   --disable-virtfs) virtfs="no"
1138   ;;
1139   --enable-virtfs) virtfs="yes"
1140   ;;
1141   --disable-mpath) mpath="no"
1142   ;;
1143   --enable-mpath) mpath="yes"
1144   ;;
1145   --disable-vnc) vnc="no"
1146   ;;
1147   --enable-vnc) vnc="yes"
1148   ;;
1149   --oss-lib=*) oss_lib="$optarg"
1150   ;;
1151   --audio-drv-list=*) audio_drv_list="$optarg"
1152   ;;
1153   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1154   ;;
1155   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1156   ;;
1157   --enable-debug-tcg) debug_tcg="yes"
1158   ;;
1159   --disable-debug-tcg) debug_tcg="no"
1160   ;;
1161   --enable-debug)
1162       # Enable debugging options that aren't excessively noisy
1163       debug_tcg="yes"
1164       debug_mutex="yes"
1165       debug="yes"
1166       strip_opt="no"
1167       fortify_source="no"
1168   ;;
1169   --enable-sanitizers) sanitizers="yes"
1170   ;;
1171   --disable-sanitizers) sanitizers="no"
1172   ;;
1173   --enable-tsan) tsan="yes"
1174   ;;
1175   --disable-tsan) tsan="no"
1176   ;;
1177   --enable-sparse) sparse="yes"
1178   ;;
1179   --disable-sparse) sparse="no"
1180   ;;
1181   --disable-strip) strip_opt="no"
1182   ;;
1183   --disable-vnc-sasl) vnc_sasl="no"
1184   ;;
1185   --enable-vnc-sasl) vnc_sasl="yes"
1186   ;;
1187   --disable-vnc-jpeg) vnc_jpeg="no"
1188   ;;
1189   --enable-vnc-jpeg) vnc_jpeg="yes"
1190   ;;
1191   --disable-vnc-png) vnc_png="no"
1192   ;;
1193   --enable-vnc-png) vnc_png="yes"
1194   ;;
1195   --disable-slirp) slirp="no"
1196   ;;
1197   --enable-slirp=git) slirp="git"
1198   ;;
1199   --enable-slirp=system) slirp="system"
1200   ;;
1201   --disable-vde) vde="no"
1202   ;;
1203   --enable-vde) vde="yes"
1204   ;;
1205   --disable-netmap) netmap="no"
1206   ;;
1207   --enable-netmap) netmap="yes"
1208   ;;
1209   --disable-xen) xen="no"
1210   ;;
1211   --enable-xen) xen="yes"
1212   ;;
1213   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1214   ;;
1215   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1216   ;;
1217   --disable-brlapi) brlapi="no"
1218   ;;
1219   --enable-brlapi) brlapi="yes"
1220   ;;
1221   --disable-kvm) kvm="no"
1222   ;;
1223   --enable-kvm) kvm="yes"
1224   ;;
1225   --disable-hax) hax="no"
1226   ;;
1227   --enable-hax) hax="yes"
1228   ;;
1229   --disable-hvf) hvf="no"
1230   ;;
1231   --enable-hvf) hvf="yes"
1232   ;;
1233   --disable-whpx) whpx="no"
1234   ;;
1235   --enable-whpx) whpx="yes"
1236   ;;
1237   --disable-tcg-interpreter) tcg_interpreter="no"
1238   ;;
1239   --enable-tcg-interpreter) tcg_interpreter="yes"
1240   ;;
1241   --disable-cap-ng)  cap_ng="no"
1242   ;;
1243   --enable-cap-ng) cap_ng="yes"
1244   ;;
1245   --disable-tcg) tcg="no"
1246   ;;
1247   --enable-tcg) tcg="yes"
1248   ;;
1249   --disable-malloc-trim) malloc_trim="no"
1250   ;;
1251   --enable-malloc-trim) malloc_trim="yes"
1252   ;;
1253   --disable-spice) spice="no"
1254   ;;
1255   --enable-spice) spice="yes"
1256   ;;
1257   --disable-libiscsi) libiscsi="no"
1258   ;;
1259   --enable-libiscsi) libiscsi="yes"
1260   ;;
1261   --disable-libnfs) libnfs="no"
1262   ;;
1263   --enable-libnfs) libnfs="yes"
1264   ;;
1265   --enable-profiler) profiler="yes"
1266   ;;
1267   --disable-cocoa) cocoa="no"
1268   ;;
1269   --enable-cocoa)
1270       cocoa="yes" ;
1271       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1272   ;;
1273   --disable-system) softmmu="no"
1274   ;;
1275   --enable-system) softmmu="yes"
1276   ;;
1277   --disable-user)
1278       linux_user="no" ;
1279       bsd_user="no" ;
1280   ;;
1281   --enable-user) ;;
1282   --disable-linux-user) linux_user="no"
1283   ;;
1284   --enable-linux-user) linux_user="yes"
1285   ;;
1286   --disable-bsd-user) bsd_user="no"
1287   ;;
1288   --enable-bsd-user) bsd_user="yes"
1289   ;;
1290   --enable-pie) pie="yes"
1291   ;;
1292   --disable-pie) pie="no"
1293   ;;
1294   --enable-werror) werror="yes"
1295   ;;
1296   --disable-werror) werror="no"
1297   ;;
1298   --enable-stack-protector) stack_protector="yes"
1299   ;;
1300   --disable-stack-protector) stack_protector="no"
1301   ;;
1302   --enable-safe-stack) safe_stack="yes"
1303   ;;
1304   --disable-safe-stack) safe_stack="no"
1305   ;;
1306   --disable-curses) curses="no"
1307   ;;
1308   --enable-curses) curses="yes"
1309   ;;
1310   --disable-iconv) iconv="no"
1311   ;;
1312   --enable-iconv) iconv="yes"
1313   ;;
1314   --disable-curl) curl="no"
1315   ;;
1316   --enable-curl) curl="yes"
1317   ;;
1318   --disable-fdt) fdt="no"
1319   ;;
1320   --enable-fdt) fdt="yes"
1321   ;;
1322   --disable-linux-aio) linux_aio="no"
1323   ;;
1324   --enable-linux-aio) linux_aio="yes"
1325   ;;
1326   --disable-linux-io-uring) linux_io_uring="no"
1327   ;;
1328   --enable-linux-io-uring) linux_io_uring="yes"
1329   ;;
1330   --disable-attr) attr="no"
1331   ;;
1332   --enable-attr) attr="yes"
1333   ;;
1334   --disable-membarrier) membarrier="no"
1335   ;;
1336   --enable-membarrier) membarrier="yes"
1337   ;;
1338   --disable-blobs) blobs="no"
1339   ;;
1340   --with-pkgversion=*) pkgversion="$optarg"
1341   ;;
1342   --with-coroutine=*) coroutine="$optarg"
1343   ;;
1344   --disable-coroutine-pool) coroutine_pool="no"
1345   ;;
1346   --enable-coroutine-pool) coroutine_pool="yes"
1347   ;;
1348   --enable-debug-stack-usage) debug_stack_usage="yes"
1349   ;;
1350   --enable-crypto-afalg) crypto_afalg="yes"
1351   ;;
1352   --disable-crypto-afalg) crypto_afalg="no"
1353   ;;
1354   --disable-docs) docs="no"
1355   ;;
1356   --enable-docs) docs="yes"
1357   ;;
1358   --disable-vhost-net) vhost_net="no"
1359   ;;
1360   --enable-vhost-net) vhost_net="yes"
1361   ;;
1362   --disable-vhost-crypto) vhost_crypto="no"
1363   ;;
1364   --enable-vhost-crypto) vhost_crypto="yes"
1365   ;;
1366   --disable-vhost-scsi) vhost_scsi="no"
1367   ;;
1368   --enable-vhost-scsi) vhost_scsi="yes"
1369   ;;
1370   --disable-vhost-vsock) vhost_vsock="no"
1371   ;;
1372   --enable-vhost-vsock) vhost_vsock="yes"
1373   ;;
1374   --disable-vhost-user-fs) vhost_user_fs="no"
1375   ;;
1376   --enable-vhost-user-fs) vhost_user_fs="yes"
1377   ;;
1378   --disable-opengl) opengl="no"
1379   ;;
1380   --enable-opengl) opengl="yes"
1381   ;;
1382   --disable-rbd) rbd="no"
1383   ;;
1384   --enable-rbd) rbd="yes"
1385   ;;
1386   --disable-xfsctl) xfs="no"
1387   ;;
1388   --enable-xfsctl) xfs="yes"
1389   ;;
1390   --disable-smartcard) smartcard="no"
1391   ;;
1392   --enable-smartcard) smartcard="yes"
1393   ;;
1394   --disable-libusb) libusb="no"
1395   ;;
1396   --enable-libusb) libusb="yes"
1397   ;;
1398   --disable-usb-redir) usb_redir="no"
1399   ;;
1400   --enable-usb-redir) usb_redir="yes"
1401   ;;
1402   --disable-zlib-test) zlib="no"
1403   ;;
1404   --disable-lzo) lzo="no"
1405   ;;
1406   --enable-lzo) lzo="yes"
1407   ;;
1408   --disable-snappy) snappy="no"
1409   ;;
1410   --enable-snappy) snappy="yes"
1411   ;;
1412   --disable-bzip2) bzip2="no"
1413   ;;
1414   --enable-bzip2) bzip2="yes"
1415   ;;
1416   --enable-lzfse) lzfse="yes"
1417   ;;
1418   --disable-lzfse) lzfse="no"
1419   ;;
1420   --disable-zstd) zstd="no"
1421   ;;
1422   --enable-zstd) zstd="yes"
1423   ;;
1424   --enable-guest-agent) guest_agent="yes"
1425   ;;
1426   --disable-guest-agent) guest_agent="no"
1427   ;;
1428   --enable-guest-agent-msi) guest_agent_msi="yes"
1429   ;;
1430   --disable-guest-agent-msi) guest_agent_msi="no"
1431   ;;
1432   --with-vss-sdk) vss_win32_sdk=""
1433   ;;
1434   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1435   ;;
1436   --without-vss-sdk) vss_win32_sdk="no"
1437   ;;
1438   --with-win-sdk) win_sdk=""
1439   ;;
1440   --with-win-sdk=*) win_sdk="$optarg"
1441   ;;
1442   --without-win-sdk) win_sdk="no"
1443   ;;
1444   --enable-tools) want_tools="yes"
1445   ;;
1446   --disable-tools) want_tools="no"
1447   ;;
1448   --enable-seccomp) seccomp="yes"
1449   ;;
1450   --disable-seccomp) seccomp="no"
1451   ;;
1452   --disable-glusterfs) glusterfs="no"
1453   ;;
1454   --disable-avx2) avx2_opt="no"
1455   ;;
1456   --enable-avx2) avx2_opt="yes"
1457   ;;
1458   --disable-avx512f) avx512f_opt="no"
1459   ;;
1460   --enable-avx512f) avx512f_opt="yes"
1461   ;;
1462
1463   --enable-glusterfs) glusterfs="yes"
1464   ;;
1465   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1466       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1467   ;;
1468   --enable-vhdx|--disable-vhdx)
1469       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1470   ;;
1471   --enable-uuid|--disable-uuid)
1472       echo "$0: $opt is obsolete, UUID support is always built" >&2
1473   ;;
1474   --disable-gtk) gtk="no"
1475   ;;
1476   --enable-gtk) gtk="yes"
1477   ;;
1478   --tls-priority=*) tls_priority="$optarg"
1479   ;;
1480   --disable-gnutls) gnutls="no"
1481   ;;
1482   --enable-gnutls) gnutls="yes"
1483   ;;
1484   --disable-nettle) nettle="no"
1485   ;;
1486   --enable-nettle) nettle="yes"
1487   ;;
1488   --disable-gcrypt) gcrypt="no"
1489   ;;
1490   --enable-gcrypt) gcrypt="yes"
1491   ;;
1492   --disable-auth-pam) auth_pam="no"
1493   ;;
1494   --enable-auth-pam) auth_pam="yes"
1495   ;;
1496   --enable-rdma) rdma="yes"
1497   ;;
1498   --disable-rdma) rdma="no"
1499   ;;
1500   --enable-pvrdma) pvrdma="yes"
1501   ;;
1502   --disable-pvrdma) pvrdma="no"
1503   ;;
1504   --disable-vte) vte="no"
1505   ;;
1506   --enable-vte) vte="yes"
1507   ;;
1508   --disable-virglrenderer) virglrenderer="no"
1509   ;;
1510   --enable-virglrenderer) virglrenderer="yes"
1511   ;;
1512   --disable-tpm) tpm="no"
1513   ;;
1514   --enable-tpm) tpm="yes"
1515   ;;
1516   --disable-libssh) libssh="no"
1517   ;;
1518   --enable-libssh) libssh="yes"
1519   ;;
1520   --disable-live-block-migration) live_block_migration="no"
1521   ;;
1522   --enable-live-block-migration) live_block_migration="yes"
1523   ;;
1524   --disable-numa) numa="no"
1525   ;;
1526   --enable-numa) numa="yes"
1527   ;;
1528   --disable-libxml2) libxml2="no"
1529   ;;
1530   --enable-libxml2) libxml2="yes"
1531   ;;
1532   --disable-tcmalloc) tcmalloc="no"
1533   ;;
1534   --enable-tcmalloc) tcmalloc="yes"
1535   ;;
1536   --disable-jemalloc) jemalloc="no"
1537   ;;
1538   --enable-jemalloc) jemalloc="yes"
1539   ;;
1540   --disable-replication) replication="no"
1541   ;;
1542   --enable-replication) replication="yes"
1543   ;;
1544   --disable-vxhs) vxhs="no"
1545   ;;
1546   --enable-vxhs) vxhs="yes"
1547   ;;
1548   --disable-bochs) bochs="no"
1549   ;;
1550   --enable-bochs) bochs="yes"
1551   ;;
1552   --disable-cloop) cloop="no"
1553   ;;
1554   --enable-cloop) cloop="yes"
1555   ;;
1556   --disable-dmg) dmg="no"
1557   ;;
1558   --enable-dmg) dmg="yes"
1559   ;;
1560   --disable-qcow1) qcow1="no"
1561   ;;
1562   --enable-qcow1) qcow1="yes"
1563   ;;
1564   --disable-vdi) vdi="no"
1565   ;;
1566   --enable-vdi) vdi="yes"
1567   ;;
1568   --disable-vvfat) vvfat="no"
1569   ;;
1570   --enable-vvfat) vvfat="yes"
1571   ;;
1572   --disable-qed) qed="no"
1573   ;;
1574   --enable-qed) qed="yes"
1575   ;;
1576   --disable-parallels) parallels="no"
1577   ;;
1578   --enable-parallels) parallels="yes"
1579   ;;
1580   --disable-sheepdog) sheepdog="no"
1581   ;;
1582   --enable-sheepdog) sheepdog="yes"
1583   ;;
1584   --disable-vhost-user) vhost_user="no"
1585   ;;
1586   --enable-vhost-user) vhost_user="yes"
1587   ;;
1588   --disable-vhost-vdpa) vhost_vdpa="no"
1589   ;;
1590   --enable-vhost-vdpa) vhost_vdpa="yes"
1591   ;;
1592   --disable-vhost-kernel) vhost_kernel="no"
1593   ;;
1594   --enable-vhost-kernel) vhost_kernel="yes"
1595   ;;
1596   --disable-capstone) capstone="no"
1597   ;;
1598   --enable-capstone) capstone="yes"
1599   ;;
1600   --enable-capstone=git) capstone="git"
1601   ;;
1602   --enable-capstone=system) capstone="system"
1603   ;;
1604   --with-git=*) git="$optarg"
1605   ;;
1606   --enable-git-update) git_update=yes
1607   ;;
1608   --disable-git-update) git_update=no
1609   ;;
1610   --enable-debug-mutex) debug_mutex=yes
1611   ;;
1612   --disable-debug-mutex) debug_mutex=no
1613   ;;
1614   --enable-libpmem) libpmem=yes
1615   ;;
1616   --disable-libpmem) libpmem=no
1617   ;;
1618   --enable-xkbcommon) xkbcommon=yes
1619   ;;
1620   --disable-xkbcommon) xkbcommon=no
1621   ;;
1622   --enable-plugins) plugins="yes"
1623   ;;
1624   --disable-plugins) plugins="no"
1625   ;;
1626   --enable-containers) use_containers="yes"
1627   ;;
1628   --disable-containers) use_containers="no"
1629   ;;
1630   --enable-fuzzing) fuzzing=yes
1631   ;;
1632   --disable-fuzzing) fuzzing=no
1633   ;;
1634   --gdb=*) gdb_bin="$optarg"
1635   ;;
1636   --enable-rng-none) rng_none=yes
1637   ;;
1638   --disable-rng-none) rng_none=no
1639   ;;
1640   --enable-keyring) secret_keyring="yes"
1641   ;;
1642   --disable-keyring) secret_keyring="no"
1643   ;;
1644   --enable-libdaxctl) libdaxctl=yes
1645   ;;
1646   --disable-libdaxctl) libdaxctl=no
1647   ;;
1648   *)
1649       echo "ERROR: unknown option $opt"
1650       echo "Try '$0 --help' for more information"
1651       exit 1
1652   ;;
1653   esac
1654 done
1655
1656 case "$cpu" in
1657     ppc)
1658            CPU_CFLAGS="-m32"
1659            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1660            ;;
1661     ppc64)
1662            CPU_CFLAGS="-m64"
1663            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1664            ;;
1665     sparc)
1666            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1667            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1668            ;;
1669     sparc64)
1670            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1671            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1672            ;;
1673     s390)
1674            CPU_CFLAGS="-m31"
1675            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1676            ;;
1677     s390x)
1678            CPU_CFLAGS="-m64"
1679            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1680            ;;
1681     i386)
1682            CPU_CFLAGS="-m32"
1683            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1684            ;;
1685     x86_64)
1686            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1687            # If we truly care, we should simply detect this case at
1688            # runtime and generate the fallback to serial emulation.
1689            CPU_CFLAGS="-m64 -mcx16"
1690            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1691            ;;
1692     x32)
1693            CPU_CFLAGS="-mx32"
1694            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1695            ;;
1696     # No special flags required for other host CPUs
1697 esac
1698
1699 eval "cross_cc_${cpu}=\$host_cc"
1700 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1701 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1702
1703 # For user-mode emulation the host arch has to be one we explicitly
1704 # support, even if we're using TCI.
1705 if [ "$ARCH" = "unknown" ]; then
1706   bsd_user="no"
1707   linux_user="no"
1708 fi
1709
1710 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1711   tcg="no"
1712 fi
1713
1714 default_target_list=""
1715
1716 mak_wilds=""
1717
1718 if [ "$softmmu" = "yes" ]; then
1719     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1720 fi
1721 if [ "$linux_user" = "yes" ]; then
1722     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1723 fi
1724 if [ "$bsd_user" = "yes" ]; then
1725     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1726 fi
1727
1728 if test -z "$target_list_exclude"; then
1729     for config in $mak_wilds; do
1730         default_target_list="${default_target_list} $(basename "$config" .mak)"
1731     done
1732 else
1733     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1734     for config in $mak_wilds; do
1735         target="$(basename "$config" .mak)"
1736         exclude="no"
1737         for excl in $exclude_list; do
1738             if test "$excl" = "$target"; then
1739                 exclude="yes"
1740                 break;
1741             fi
1742         done
1743         if test "$exclude" = "no"; then
1744             default_target_list="${default_target_list} $target"
1745         fi
1746     done
1747 fi
1748
1749 # Enumerate public trace backends for --help output
1750 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1751
1752 if test x"$show_help" = x"yes" ; then
1753 cat << EOF
1754
1755 Usage: configure [options]
1756 Options: [defaults in brackets after descriptions]
1757
1758 Standard options:
1759   --help                   print this message
1760   --prefix=PREFIX          install in PREFIX [$prefix]
1761   --interp-prefix=PREFIX   where to find shared libraries, etc.
1762                            use %M for cpu name [$interp_prefix]
1763   --target-list=LIST       set target list (default: build everything)
1764 $(echo Available targets: $default_target_list | \
1765   fold -s -w 53 | sed -e 's/^/                           /')
1766   --target-list-exclude=LIST exclude a set of targets from the default target-list
1767
1768 Advanced options (experts only):
1769   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1770   --cc=CC                  use C compiler CC [$cc]
1771   --iasl=IASL              use ACPI compiler IASL [$iasl]
1772   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1773                            build time
1774   --cxx=CXX                use C++ compiler CXX [$cxx]
1775   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1776   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1777   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1778   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1779   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1780   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1781   --make=MAKE              use specified make [$make]
1782   --install=INSTALL        use specified install [$install]
1783   --python=PYTHON          use specified python [$python]
1784   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1785   --smbd=SMBD              use specified smbd [$smbd]
1786   --with-git=GIT           use specified git [$git]
1787   --static                 enable static build [$static]
1788   --mandir=PATH            install man pages in PATH
1789   --datadir=PATH           install firmware in PATH$confsuffix
1790   --docdir=PATH            install documentation in PATH$confsuffix
1791   --bindir=PATH            install binaries in PATH
1792   --libdir=PATH            install libraries in PATH
1793   --libexecdir=PATH        install helper binaries in PATH
1794   --sysconfdir=PATH        install config in PATH$confsuffix
1795   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1796   --firmwarepath=PATH      search PATH for firmware files
1797   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1798   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1799   --with-pkgversion=VERS   use specified string as sub-version of the package
1800   --enable-debug           enable common debug build options
1801   --enable-sanitizers      enable default sanitizers
1802   --enable-tsan            enable thread sanitizer
1803   --disable-strip          disable stripping binaries
1804   --disable-werror         disable compilation abort on warning
1805   --disable-stack-protector disable compiler-provided stack protection
1806   --audio-drv-list=LIST    set audio drivers list:
1807                            Available drivers: $audio_possible_drivers
1808   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1809   --block-drv-rw-whitelist=L
1810                            set block driver read-write whitelist
1811                            (affects only QEMU, not qemu-img)
1812   --block-drv-ro-whitelist=L
1813                            set block driver read-only whitelist
1814                            (affects only QEMU, not qemu-img)
1815   --enable-trace-backends=B Set trace backend
1816                            Available backends: $trace_backend_list
1817   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1818                            Default:trace-<pid>
1819   --disable-slirp          disable SLIRP userspace network connectivity
1820   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1821   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1822   --oss-lib                path to OSS library
1823   --cpu=CPU                Build for host CPU [$cpu]
1824   --with-coroutine=BACKEND coroutine backend. Supported options:
1825                            ucontext, sigaltstack, windows
1826   --enable-gcov            enable test coverage analysis with gcov
1827   --gcov=GCOV              use specified gcov [$gcov_tool]
1828   --disable-blobs          disable installing provided firmware blobs
1829   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1830   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1831   --tls-priority           default TLS protocol/cipher priority string
1832   --enable-gprof           QEMU profiling with gprof
1833   --enable-profiler        profiler support
1834   --enable-debug-stack-usage
1835                            track the maximum stack usage of stacks created by qemu_alloc_stack
1836   --enable-plugins
1837                            enable plugins via shared library loading
1838   --disable-containers     don't use containers for cross-building
1839   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1840
1841 Optional features, enabled with --enable-FEATURE and
1842 disabled with --disable-FEATURE, default is enabled if available:
1843
1844   system          all system emulation targets
1845   user            supported user emulation targets
1846   linux-user      all linux usermode emulation targets
1847   bsd-user        all BSD usermode emulation targets
1848   docs            build documentation
1849   guest-agent     build the QEMU Guest Agent
1850   guest-agent-msi build guest agent Windows MSI installation package
1851   pie             Position Independent Executables
1852   modules         modules support (non-Windows)
1853   module-upgrades try to load modules from alternate paths for upgrades
1854   debug-tcg       TCG debugging (default is disabled)
1855   debug-info      debugging information
1856   sparse          sparse checker
1857   safe-stack      SafeStack Stack Smash Protection. Depends on
1858                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1859
1860   gnutls          GNUTLS cryptography support
1861   nettle          nettle cryptography support
1862   gcrypt          libgcrypt cryptography support
1863   auth-pam        PAM access control
1864   sdl             SDL UI
1865   sdl-image       SDL Image support for icons
1866   gtk             gtk UI
1867   vte             vte support for the gtk UI
1868   curses          curses UI
1869   iconv           font glyph conversion support
1870   vnc             VNC UI support
1871   vnc-sasl        SASL encryption for VNC server
1872   vnc-jpeg        JPEG lossy compression for VNC server
1873   vnc-png         PNG compression for VNC server
1874   cocoa           Cocoa UI (Mac OS X only)
1875   virtfs          VirtFS
1876   mpath           Multipath persistent reservation passthrough
1877   xen             xen backend driver support
1878   xen-pci-passthrough    PCI passthrough support for Xen
1879   brlapi          BrlAPI (Braile)
1880   curl            curl connectivity
1881   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1882   fdt             fdt device tree
1883   kvm             KVM acceleration support
1884   hax             HAX acceleration support
1885   hvf             Hypervisor.framework acceleration support
1886   whpx            Windows Hypervisor Platform acceleration support
1887   rdma            Enable RDMA-based migration
1888   pvrdma          Enable PVRDMA support
1889   vde             support for vde network
1890   netmap          support for netmap network
1891   linux-aio       Linux AIO support
1892   linux-io-uring  Linux io_uring support
1893   cap-ng          libcap-ng support
1894   attr            attr and xattr support
1895   vhost-net       vhost-net kernel acceleration support
1896   vhost-vsock     virtio sockets device support
1897   vhost-scsi      vhost-scsi kernel target support
1898   vhost-crypto    vhost-user-crypto backend support
1899   vhost-kernel    vhost kernel backend support
1900   vhost-user      vhost-user backend support
1901   vhost-vdpa      vhost-vdpa kernel backend support
1902   spice           spice
1903   rbd             rados block device (rbd)
1904   libiscsi        iscsi support
1905   libnfs          nfs support
1906   smartcard       smartcard support (libcacard)
1907   libusb          libusb (for usb passthrough)
1908   live-block-migration   Block migration in the main migration stream
1909   usb-redir       usb network redirection support
1910   lzo             support of lzo compression library
1911   snappy          support of snappy compression library
1912   bzip2           support of bzip2 compression library
1913                   (for reading bzip2-compressed dmg images)
1914   lzfse           support of lzfse compression library
1915                   (for reading lzfse-compressed dmg images)
1916   zstd            support for zstd compression library
1917                   (for migration compression and qcow2 cluster compression)
1918   seccomp         seccomp support
1919   coroutine-pool  coroutine freelist (better performance)
1920   glusterfs       GlusterFS backend
1921   tpm             TPM support
1922   libssh          ssh block device support
1923   numa            libnuma support
1924   libxml2         for Parallels image format
1925   tcmalloc        tcmalloc support
1926   jemalloc        jemalloc support
1927   avx2            AVX2 optimization support
1928   avx512f         AVX512F optimization support
1929   replication     replication support
1930   opengl          opengl support
1931   virglrenderer   virgl rendering support
1932   xfsctl          xfsctl support
1933   qom-cast-debug  cast debugging support
1934   tools           build qemu-io, qemu-nbd and qemu-img tools
1935   vxhs            Veritas HyperScale vDisk backend support
1936   bochs           bochs image format support
1937   cloop           cloop image format support
1938   dmg             dmg image format support
1939   qcow1           qcow v1 image format support
1940   vdi             vdi image format support
1941   vvfat           vvfat image format support
1942   qed             qed image format support
1943   parallels       parallels image format support
1944   sheepdog        sheepdog block driver support
1945   crypto-afalg    Linux AF_ALG crypto backend driver
1946   capstone        capstone disassembler support
1947   debug-mutex     mutex debugging support
1948   libpmem         libpmem support
1949   xkbcommon       xkbcommon support
1950   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1951   libdaxctl       libdaxctl support
1952
1953 NOTE: The object files are built at the place where configure is launched
1954 EOF
1955 exit 0
1956 fi
1957
1958 # Remove old dependency files to make sure that they get properly regenerated
1959 rm -f */config-devices.mak.d
1960
1961 # Remove syscall_nr.h to be sure they will be regenerated in the build
1962 # directory, not in the source directory
1963 for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
1964     i386 x86_64 mips mips64 ; do
1965     # remove the file if it has been generated in the source directory
1966     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
1967     # remove the dependency files
1968     for target in ${arch}*-linux-user ; do
1969         test -d "${target}" && find "${target}" -type f -name "*.d" \
1970              -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
1971              -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
1972     done
1973 done
1974
1975 if test -z "$python"
1976 then
1977     error_exit "Python not found. Use --python=/path/to/python"
1978 fi
1979
1980 # Note that if the Python conditional here evaluates True we will exit
1981 # with status 1 which is a shell 'false' value.
1982 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1983   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1984       "Use --python=/path/to/python to specify a supported Python."
1985 fi
1986
1987 # Preserve python version since some functionality is dependent on it
1988 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1989
1990 # Suppress writing compiled files
1991 python="$python -B"
1992
1993 # Check that the C compiler works. Doing this here before testing
1994 # the host CPU ensures that we had a valid CC to autodetect the
1995 # $cpu var (and we should bail right here if that's not the case).
1996 # It also allows the help message to be printed without a CC.
1997 write_c_skeleton;
1998 if compile_object ; then
1999   : C compiler works ok
2000 else
2001     error_exit "\"$cc\" either does not exist or does not work"
2002 fi
2003 if ! compile_prog ; then
2004     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2005 fi
2006
2007 # Now we have handled --enable-tcg-interpreter and know we're not just
2008 # printing the help message, bail out if the host CPU isn't supported.
2009 if test "$ARCH" = "unknown"; then
2010     if test "$tcg_interpreter" = "yes" ; then
2011         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2012     else
2013         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2014     fi
2015 fi
2016
2017 # Consult white-list to determine whether to enable werror
2018 # by default.  Only enable by default for git builds
2019 if test -z "$werror" ; then
2020     if test -e "$source_path/.git" && \
2021         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2022         werror="yes"
2023     else
2024         werror="no"
2025     fi
2026 fi
2027
2028 if test "$bogus_os" = "yes"; then
2029     # Now that we know that we're not printing the help and that
2030     # the compiler works (so the results of the check_defines we used
2031     # to identify the OS are reliable), if we didn't recognize the
2032     # host OS we should stop now.
2033     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2034 fi
2035
2036 # Check whether the compiler matches our minimum requirements:
2037 cat > $TMPC << EOF
2038 #if defined(__clang_major__) && defined(__clang_minor__)
2039 # ifdef __apple_build_version__
2040 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2041 #   error You need at least XCode Clang v5.1 to compile QEMU
2042 #  endif
2043 # else
2044 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2045 #   error You need at least Clang v3.4 to compile QEMU
2046 #  endif
2047 # endif
2048 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2049 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2050 #  error You need at least GCC v4.8 to compile QEMU
2051 # endif
2052 #else
2053 # error You either need GCC or Clang to compiler QEMU
2054 #endif
2055 int main (void) { return 0; }
2056 EOF
2057 if ! compile_prog "" "" ; then
2058     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2059 fi
2060
2061 # Accumulate -Wfoo and -Wno-bar separately.
2062 # We will list all of the enable flags first, and the disable flags second.
2063 # Note that we do not add -Werror, because that would enable it for all
2064 # configure tests. If a configure test failed due to -Werror this would
2065 # just silently disable some features, so it's too error prone.
2066
2067 warn_flags=
2068 add_to warn_flags -Wold-style-declaration
2069 add_to warn_flags -Wold-style-definition
2070 add_to warn_flags -Wtype-limits
2071 add_to warn_flags -Wformat-security
2072 add_to warn_flags -Wformat-y2k
2073 add_to warn_flags -Winit-self
2074 add_to warn_flags -Wignored-qualifiers
2075 add_to warn_flags -Wempty-body
2076 add_to warn_flags -Wnested-externs
2077 add_to warn_flags -Wendif-labels
2078 add_to warn_flags -Wexpansion-to-defined
2079
2080 nowarn_flags=
2081 add_to nowarn_flags -Wno-initializer-overrides
2082 add_to nowarn_flags -Wno-missing-include-dirs
2083 add_to nowarn_flags -Wno-shift-negative-value
2084 add_to nowarn_flags -Wno-string-plus-int
2085 add_to nowarn_flags -Wno-typedef-redefinition
2086 add_to nowarn_flags -Wno-tautological-type-limit-compare
2087 add_to nowarn_flags -Wno-psabi
2088
2089 gcc_flags="$warn_flags $nowarn_flags"
2090
2091 cc_has_warning_flag() {
2092     write_c_skeleton;
2093
2094     # Use the positive sense of the flag when testing for -Wno-wombat
2095     # support (gcc will happily accept the -Wno- form of unknown
2096     # warning options).
2097     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2098     compile_prog "-Werror $optflag" ""
2099 }
2100
2101 for flag in $gcc_flags; do
2102     if cc_has_warning_flag $flag ; then
2103         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2104     fi
2105 done
2106
2107 if test "$stack_protector" != "no"; then
2108   cat > $TMPC << EOF
2109 int main(int argc, char *argv[])
2110 {
2111     char arr[64], *p = arr, *c = argv[0];
2112     while (*c) {
2113         *p++ = *c++;
2114     }
2115     return 0;
2116 }
2117 EOF
2118   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2119   sp_on=0
2120   for flag in $gcc_flags; do
2121     # We need to check both a compile and a link, since some compiler
2122     # setups fail only on a .c->.o compile and some only at link time
2123     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
2124        compile_prog "-Werror $flag" ""; then
2125       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2126       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2127       sp_on=1
2128       break
2129     fi
2130   done
2131   if test "$stack_protector" = yes; then
2132     if test $sp_on = 0; then
2133       error_exit "Stack protector not supported"
2134     fi
2135   fi
2136 fi
2137
2138 # Disable -Wmissing-braces on older compilers that warn even for
2139 # the "universal" C zero initializer {0}.
2140 cat > $TMPC << EOF
2141 struct {
2142   int a[2];
2143 } x = {0};
2144 EOF
2145 if compile_object "-Werror" "" ; then
2146   :
2147 else
2148   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2149 fi
2150
2151 # Our module code doesn't support Windows
2152 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2153   error_exit "Modules are not available for Windows"
2154 fi
2155
2156 # module_upgrades is only reasonable if modules are enabled
2157 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2158   error_exit "Can't enable module-upgrades as Modules are not enabled"
2159 fi
2160
2161 # Static linking is not possible with modules or PIE
2162 if test "$static" = "yes" ; then
2163   if test "$modules" = "yes" ; then
2164     error_exit "static and modules are mutually incompatible"
2165   fi
2166 fi
2167
2168 # Unconditional check for compiler __thread support
2169   cat > $TMPC << EOF
2170 static __thread int tls_var;
2171 int main(void) { return tls_var; }
2172 EOF
2173
2174 if ! compile_prog "-Werror" "" ; then
2175     error_exit "Your compiler does not support the __thread specifier for " \
2176         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2177 fi
2178
2179 cat > $TMPC << EOF
2180
2181 #ifdef __linux__
2182 #  define THREAD __thread
2183 #else
2184 #  define THREAD
2185 #endif
2186 static THREAD int tls_var;
2187 int main(void) { return tls_var; }
2188 EOF
2189
2190 # Check we support --no-pie first; we will need this for building ROMs.
2191 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2192   CFLAGS_NOPIE="-fno-pie"
2193   LDFLAGS_NOPIE="-no-pie"
2194 fi
2195
2196 if test "$static" = "yes"; then
2197   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2198     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2199     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2200     pie="yes"
2201   elif test "$pie" = "yes"; then
2202     error_exit "-static-pie not available due to missing toolchain support"
2203   else
2204     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2205     pie="no"
2206   fi
2207 elif test "$pie" = "no"; then
2208   QEMU_CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS"
2209   QEMU_LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS"
2210 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2211   QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2212   QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2213   pie="yes"
2214 elif test "$pie" = "yes"; then
2215   error_exit "PIE not available due to missing toolchain support"
2216 else
2217   echo "Disabling PIE due to missing toolchain support"
2218   pie="no"
2219 fi
2220
2221 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2222 # The combination is known as "full relro", because .got.plt is read-only too.
2223 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2224   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2225 fi
2226
2227 ##########################################
2228 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2229 # use i686 as default anyway, but for those that don't, an explicit
2230 # specification is necessary
2231
2232 if test "$cpu" = "i386"; then
2233   cat > $TMPC << EOF
2234 static int sfaa(int *ptr)
2235 {
2236   return __sync_fetch_and_and(ptr, 0);
2237 }
2238
2239 int main(void)
2240 {
2241   int val = 42;
2242   val = __sync_val_compare_and_swap(&val, 0, 1);
2243   sfaa(&val);
2244   return val;
2245 }
2246 EOF
2247   if ! compile_prog "" "" ; then
2248     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2249   fi
2250 fi
2251
2252 #########################################
2253 # Solaris specific configure tool chain decisions
2254
2255 if test "$solaris" = "yes" ; then
2256   if has $install; then
2257     :
2258   else
2259     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2260         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2261         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2262   fi
2263   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2264     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2265         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2266         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2267   fi
2268   if has ar; then
2269     :
2270   else
2271     if test -f /usr/ccs/bin/ar ; then
2272       error_exit "No path includes ar" \
2273           "Add /usr/ccs/bin to your path and rerun configure"
2274     fi
2275     error_exit "No path includes ar"
2276   fi
2277 fi
2278
2279 if test -z "${target_list+xxx}" ; then
2280     for target in $default_target_list; do
2281         supported_target $target 2>/dev/null && \
2282             target_list="$target_list $target"
2283     done
2284     target_list="${target_list# }"
2285 else
2286     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2287     for target in $target_list; do
2288         # Check that we recognised the target name; this allows a more
2289         # friendly error message than if we let it fall through.
2290         case " $default_target_list " in
2291             *" $target "*)
2292                 ;;
2293             *)
2294                 error_exit "Unknown target name '$target'"
2295                 ;;
2296         esac
2297         supported_target $target || exit 1
2298     done
2299 fi
2300
2301 # see if system emulation was really requested
2302 case " $target_list " in
2303   *"-softmmu "*) softmmu=yes
2304   ;;
2305   *) softmmu=no
2306   ;;
2307 esac
2308
2309 for target in $target_list; do
2310   case "$target" in
2311     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2312       edk2_blobs="yes"
2313       ;;
2314   esac
2315 done
2316 # The EDK2 binaries are compressed with bzip2
2317 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2318   error_exit "The bzip2 program is required for building QEMU"
2319 fi
2320
2321 feature_not_found() {
2322   feature=$1
2323   remedy=$2
2324
2325   error_exit "User requested feature $feature" \
2326       "configure was not able to find it." \
2327       "$remedy"
2328 }
2329
2330 # ---
2331 # big/little endian test
2332 cat > $TMPC << EOF
2333 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2334 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2335 extern int foo(short *, short *);
2336 int main(int argc, char *argv[]) {
2337     return foo(big_endian, little_endian);
2338 }
2339 EOF
2340
2341 if compile_object ; then
2342     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2343         bigendian="yes"
2344     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2345         bigendian="no"
2346     else
2347         echo big/little test failed
2348     fi
2349 else
2350     echo big/little test failed
2351 fi
2352
2353 ##########################################
2354 # system tools
2355 if test -z "$want_tools"; then
2356     if test "$softmmu" = "no"; then
2357         want_tools=no
2358     else
2359         want_tools=yes
2360     fi
2361 fi
2362
2363 ##########################################
2364 # cocoa implies not SDL or GTK
2365 # (the cocoa UI code currently assumes it is always the active UI
2366 # and doesn't interact well with other UI frontend code)
2367 if test "$cocoa" = "yes"; then
2368     if test "$sdl" = "yes"; then
2369         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2370     fi
2371     if test "$gtk" = "yes"; then
2372         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2373     fi
2374     gtk=no
2375     sdl=no
2376 fi
2377
2378 # Some versions of Mac OS X incorrectly define SIZE_MAX
2379 cat > $TMPC << EOF
2380 #include <stdint.h>
2381 #include <stdio.h>
2382 int main(int argc, char *argv[]) {
2383     return printf("%zu", SIZE_MAX);
2384 }
2385 EOF
2386 have_broken_size_max=no
2387 if ! compile_object -Werror ; then
2388     have_broken_size_max=yes
2389 fi
2390
2391 ##########################################
2392 # L2TPV3 probe
2393
2394 cat > $TMPC <<EOF
2395 #include <sys/socket.h>
2396 #include <linux/ip.h>
2397 int main(void) { return sizeof(struct mmsghdr); }
2398 EOF
2399 if compile_prog "" "" ; then
2400   l2tpv3=yes
2401 else
2402   l2tpv3=no
2403 fi
2404
2405 if check_include "pty.h" ; then
2406   pty_h=yes
2407 else
2408   pty_h=no
2409 fi
2410
2411 cat > $TMPC <<EOF
2412 #include <sys/mman.h>
2413 int main(int argc, char *argv[]) {
2414     return mlockall(MCL_FUTURE);
2415 }
2416 EOF
2417 if compile_prog "" "" ; then
2418   have_mlockall=yes
2419 else
2420   have_mlockall=no
2421 fi
2422
2423 #########################################
2424 # vhost interdependencies and host support
2425
2426 # vhost backends
2427 test "$vhost_user" = "" && vhost_user=yes
2428 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2429   error_exit "vhost-user isn't available on win32"
2430 fi
2431 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2432 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2433   error_exit "vhost-vdpa is only available on Linux"
2434 fi
2435 test "$vhost_kernel" = "" && vhost_kernel=$linux
2436 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2437   error_exit "vhost-kernel is only available on Linux"
2438 fi
2439
2440 # vhost-kernel devices
2441 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2442 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2443   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2444 fi
2445 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2446 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2447   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2448 fi
2449
2450 # vhost-user backends
2451 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2452 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2453   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2454 fi
2455 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2456 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2457   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2458 fi
2459 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2460 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2461   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2462 fi
2463 #vhost-vdpa backends
2464 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2465 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2466   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2467 fi
2468
2469 # OR the vhost-kernel and vhost-user values for simplicity
2470 if test "$vhost_net" = ""; then
2471   test "$vhost_net_user" = "yes" && vhost_net=yes
2472   test "$vhost_kernel" = "yes" && vhost_net=yes
2473 fi
2474
2475 ##########################################
2476 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2477
2478 if test "$mingw32" = "yes"; then
2479     # Some versions of MinGW / Mingw-w64 lack localtime_r
2480     # and gmtime_r entirely.
2481     #
2482     # Some versions of Mingw-w64 define a macro for
2483     # localtime_r/gmtime_r.
2484     #
2485     # Some versions of Mingw-w64 will define functions
2486     # for localtime_r/gmtime_r, but only if you have
2487     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2488     # though, unistd.h and pthread.h both define
2489     # that for you.
2490     #
2491     # So this #undef localtime_r and #include <unistd.h>
2492     # are not in fact redundant.
2493 cat > $TMPC << EOF
2494 #include <unistd.h>
2495 #include <time.h>
2496 #undef localtime_r
2497 int main(void) { localtime_r(NULL, NULL); return 0; }
2498 EOF
2499     if compile_prog "" "" ; then
2500         localtime_r="yes"
2501     else
2502         localtime_r="no"
2503     fi
2504 fi
2505
2506 ##########################################
2507 # pkg-config probe
2508
2509 if ! has "$pkg_config_exe"; then
2510   error_exit "pkg-config binary '$pkg_config_exe' not found"
2511 fi
2512
2513 ##########################################
2514 # NPTL probe
2515
2516 if test "$linux_user" = "yes"; then
2517   cat > $TMPC <<EOF
2518 #include <sched.h>
2519 #include <linux/futex.h>
2520 int main(void) {
2521 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2522 #error bork
2523 #endif
2524   return 0;
2525 }
2526 EOF
2527   if ! compile_object ; then
2528     feature_not_found "nptl" "Install glibc and linux kernel headers."
2529   fi
2530 fi
2531
2532 ##########################################
2533 # lzo check
2534
2535 if test "$lzo" != "no" ; then
2536     cat > $TMPC << EOF
2537 #include <lzo/lzo1x.h>
2538 int main(void) { lzo_version(); return 0; }
2539 EOF
2540     if compile_prog "" "-llzo2" ; then
2541         libs_softmmu="$libs_softmmu -llzo2"
2542         lzo="yes"
2543     else
2544         if test "$lzo" = "yes"; then
2545             feature_not_found "liblzo2" "Install liblzo2 devel"
2546         fi
2547         lzo="no"
2548     fi
2549 fi
2550
2551 ##########################################
2552 # snappy check
2553
2554 if test "$snappy" != "no" ; then
2555     cat > $TMPC << EOF
2556 #include <snappy-c.h>
2557 int main(void) { snappy_max_compressed_length(4096); return 0; }
2558 EOF
2559     if compile_prog "" "-lsnappy" ; then
2560         libs_softmmu="$libs_softmmu -lsnappy"
2561         snappy="yes"
2562     else
2563         if test "$snappy" = "yes"; then
2564             feature_not_found "libsnappy" "Install libsnappy devel"
2565         fi
2566         snappy="no"
2567     fi
2568 fi
2569
2570 ##########################################
2571 # bzip2 check
2572
2573 if test "$bzip2" != "no" ; then
2574     cat > $TMPC << EOF
2575 #include <bzlib.h>
2576 int main(void) { BZ2_bzlibVersion(); return 0; }
2577 EOF
2578     if compile_prog "" "-lbz2" ; then
2579         bzip2="yes"
2580     else
2581         if test "$bzip2" = "yes"; then
2582             feature_not_found "libbzip2" "Install libbzip2 devel"
2583         fi
2584         bzip2="no"
2585     fi
2586 fi
2587
2588 ##########################################
2589 # lzfse check
2590
2591 if test "$lzfse" != "no" ; then
2592     cat > $TMPC << EOF
2593 #include <lzfse.h>
2594 int main(void) { lzfse_decode_scratch_size(); return 0; }
2595 EOF
2596     if compile_prog "" "-llzfse" ; then
2597         lzfse="yes"
2598     else
2599         if test "$lzfse" = "yes"; then
2600             feature_not_found "lzfse" "Install lzfse devel"
2601         fi
2602         lzfse="no"
2603     fi
2604 fi
2605
2606 ##########################################
2607 # zstd check
2608
2609 if test "$zstd" != "no" ; then
2610     libzstd_minver="1.4.0"
2611     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2612         zstd_cflags="$($pkg_config --cflags libzstd)"
2613         zstd_libs="$($pkg_config --libs libzstd)"
2614         LIBS="$zstd_libs $LIBS"
2615         QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2616         zstd="yes"
2617     else
2618         if test "$zstd" = "yes" ; then
2619             feature_not_found "libzstd" "Install libzstd devel"
2620         fi
2621         zstd="no"
2622     fi
2623 fi
2624
2625 ##########################################
2626 # libseccomp check
2627
2628 if test "$seccomp" != "no" ; then
2629     libseccomp_minver="2.3.0"
2630     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2631         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2632         seccomp_libs="$($pkg_config --libs libseccomp)"
2633         seccomp="yes"
2634     else
2635         if test "$seccomp" = "yes" ; then
2636             feature_not_found "libseccomp" \
2637                  "Install libseccomp devel >= $libseccomp_minver"
2638         fi
2639         seccomp="no"
2640     fi
2641 fi
2642 ##########################################
2643 # xen probe
2644
2645 if test "$xen" != "no" ; then
2646   # Check whether Xen library path is specified via --extra-ldflags to avoid
2647   # overriding this setting with pkg-config output. If not, try pkg-config
2648   # to obtain all needed flags.
2649
2650   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2651      $pkg_config --exists xencontrol ; then
2652     xen_ctrl_version="$(printf '%d%02d%02d' \
2653       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2654     xen=yes
2655     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2656     xen_pc="$xen_pc xenevtchn xendevicemodel"
2657     if $pkg_config --exists xentoolcore; then
2658       xen_pc="$xen_pc xentoolcore"
2659     fi
2660     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2661     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2662   else
2663
2664     xen_libs="-lxenstore -lxenctrl -lxenguest"
2665     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2666
2667     # First we test whether Xen headers and libraries are available.
2668     # If no, we are done and there is no Xen support.
2669     # If yes, more tests are run to detect the Xen version.
2670
2671     # Xen (any)
2672     cat > $TMPC <<EOF
2673 #include <xenctrl.h>
2674 int main(void) {
2675   return 0;
2676 }
2677 EOF
2678     if ! compile_prog "" "$xen_libs" ; then
2679       # Xen not found
2680       if test "$xen" = "yes" ; then
2681         feature_not_found "xen" "Install xen devel"
2682       fi
2683       xen=no
2684
2685     # Xen unstable
2686     elif
2687         cat > $TMPC <<EOF &&
2688 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2689 #define __XEN_TOOLS__
2690 #include <xendevicemodel.h>
2691 #include <xenforeignmemory.h>
2692 int main(void) {
2693   xendevicemodel_handle *xd;
2694   xenforeignmemory_handle *xfmem;
2695
2696   xd = xendevicemodel_open(0, 0);
2697   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2698
2699   xfmem = xenforeignmemory_open(0, 0);
2700   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2701
2702   return 0;
2703 }
2704 EOF
2705         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2706       then
2707       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2708       xen_ctrl_version=41100
2709       xen=yes
2710     elif
2711         cat > $TMPC <<EOF &&
2712 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2713 #include <xenforeignmemory.h>
2714 #include <xentoolcore.h>
2715 int main(void) {
2716   xenforeignmemory_handle *xfmem;
2717
2718   xfmem = xenforeignmemory_open(0, 0);
2719   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2720   xentoolcore_restrict_all(0);
2721
2722   return 0;
2723 }
2724 EOF
2725         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2726       then
2727       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2728       xen_ctrl_version=41000
2729       xen=yes
2730     elif
2731         cat > $TMPC <<EOF &&
2732 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2733 #define __XEN_TOOLS__
2734 #include <xendevicemodel.h>
2735 int main(void) {
2736   xendevicemodel_handle *xd;
2737
2738   xd = xendevicemodel_open(0, 0);
2739   xendevicemodel_close(xd);
2740
2741   return 0;
2742 }
2743 EOF
2744         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2745       then
2746       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2747       xen_ctrl_version=40900
2748       xen=yes
2749     elif
2750         cat > $TMPC <<EOF &&
2751 /*
2752  * If we have stable libs the we don't want the libxc compat
2753  * layers, regardless of what CFLAGS we may have been given.
2754  *
2755  * Also, check if xengnttab_grant_copy_segment_t is defined and
2756  * grant copy operation is implemented.
2757  */
2758 #undef XC_WANT_COMPAT_EVTCHN_API
2759 #undef XC_WANT_COMPAT_GNTTAB_API
2760 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2761 #include <xenctrl.h>
2762 #include <xenstore.h>
2763 #include <xenevtchn.h>
2764 #include <xengnttab.h>
2765 #include <xenforeignmemory.h>
2766 #include <stdint.h>
2767 #include <xen/hvm/hvm_info_table.h>
2768 #if !defined(HVM_MAX_VCPUS)
2769 # error HVM_MAX_VCPUS not defined
2770 #endif
2771 int main(void) {
2772   xc_interface *xc = NULL;
2773   xenforeignmemory_handle *xfmem;
2774   xenevtchn_handle *xe;
2775   xengnttab_handle *xg;
2776   xengnttab_grant_copy_segment_t* seg = NULL;
2777
2778   xs_daemon_open();
2779
2780   xc = xc_interface_open(0, 0, 0);
2781   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2782   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2783   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2784   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2785
2786   xfmem = xenforeignmemory_open(0, 0);
2787   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2788
2789   xe = xenevtchn_open(0, 0);
2790   xenevtchn_fd(xe);
2791
2792   xg = xengnttab_open(0, 0);
2793   xengnttab_grant_copy(xg, 0, seg);
2794
2795   return 0;
2796 }
2797 EOF
2798         compile_prog "" "$xen_libs $xen_stable_libs"
2799       then
2800       xen_ctrl_version=40800
2801       xen=yes
2802     elif
2803         cat > $TMPC <<EOF &&
2804 /*
2805  * If we have stable libs the we don't want the libxc compat
2806  * layers, regardless of what CFLAGS we may have been given.
2807  */
2808 #undef XC_WANT_COMPAT_EVTCHN_API
2809 #undef XC_WANT_COMPAT_GNTTAB_API
2810 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2811 #include <xenctrl.h>
2812 #include <xenstore.h>
2813 #include <xenevtchn.h>
2814 #include <xengnttab.h>
2815 #include <xenforeignmemory.h>
2816 #include <stdint.h>
2817 #include <xen/hvm/hvm_info_table.h>
2818 #if !defined(HVM_MAX_VCPUS)
2819 # error HVM_MAX_VCPUS not defined
2820 #endif
2821 int main(void) {
2822   xc_interface *xc = NULL;
2823   xenforeignmemory_handle *xfmem;
2824   xenevtchn_handle *xe;
2825   xengnttab_handle *xg;
2826
2827   xs_daemon_open();
2828
2829   xc = xc_interface_open(0, 0, 0);
2830   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2831   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2832   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2833   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2834
2835   xfmem = xenforeignmemory_open(0, 0);
2836   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2837
2838   xe = xenevtchn_open(0, 0);
2839   xenevtchn_fd(xe);
2840
2841   xg = xengnttab_open(0, 0);
2842   xengnttab_map_grant_ref(xg, 0, 0, 0);
2843
2844   return 0;
2845 }
2846 EOF
2847         compile_prog "" "$xen_libs $xen_stable_libs"
2848       then
2849       xen_ctrl_version=40701
2850       xen=yes
2851
2852     # Xen 4.6
2853     elif
2854         cat > $TMPC <<EOF &&
2855 #include <xenctrl.h>
2856 #include <xenstore.h>
2857 #include <stdint.h>
2858 #include <xen/hvm/hvm_info_table.h>
2859 #if !defined(HVM_MAX_VCPUS)
2860 # error HVM_MAX_VCPUS not defined
2861 #endif
2862 int main(void) {
2863   xc_interface *xc;
2864   xs_daemon_open();
2865   xc = xc_interface_open(0, 0, 0);
2866   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2867   xc_gnttab_open(NULL, 0);
2868   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2869   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2870   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2871   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2872   return 0;
2873 }
2874 EOF
2875         compile_prog "" "$xen_libs"
2876       then
2877       xen_ctrl_version=40600
2878       xen=yes
2879
2880     # Xen 4.5
2881     elif
2882         cat > $TMPC <<EOF &&
2883 #include <xenctrl.h>
2884 #include <xenstore.h>
2885 #include <stdint.h>
2886 #include <xen/hvm/hvm_info_table.h>
2887 #if !defined(HVM_MAX_VCPUS)
2888 # error HVM_MAX_VCPUS not defined
2889 #endif
2890 int main(void) {
2891   xc_interface *xc;
2892   xs_daemon_open();
2893   xc = xc_interface_open(0, 0, 0);
2894   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2895   xc_gnttab_open(NULL, 0);
2896   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2897   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2898   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2899   return 0;
2900 }
2901 EOF
2902         compile_prog "" "$xen_libs"
2903       then
2904       xen_ctrl_version=40500
2905       xen=yes
2906
2907     elif
2908         cat > $TMPC <<EOF &&
2909 #include <xenctrl.h>
2910 #include <xenstore.h>
2911 #include <stdint.h>
2912 #include <xen/hvm/hvm_info_table.h>
2913 #if !defined(HVM_MAX_VCPUS)
2914 # error HVM_MAX_VCPUS not defined
2915 #endif
2916 int main(void) {
2917   xc_interface *xc;
2918   xs_daemon_open();
2919   xc = xc_interface_open(0, 0, 0);
2920   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2921   xc_gnttab_open(NULL, 0);
2922   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2923   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2924   return 0;
2925 }
2926 EOF
2927         compile_prog "" "$xen_libs"
2928       then
2929       xen_ctrl_version=40200
2930       xen=yes
2931
2932     else
2933       if test "$xen" = "yes" ; then
2934         feature_not_found "xen (unsupported version)" \
2935                           "Install a supported xen (xen 4.2 or newer)"
2936       fi
2937       xen=no
2938     fi
2939
2940     if test "$xen" = yes; then
2941       if test $xen_ctrl_version -ge 40701  ; then
2942         libs_softmmu="$xen_stable_libs $libs_softmmu"
2943       fi
2944       libs_softmmu="$xen_libs $libs_softmmu"
2945     fi
2946   fi
2947 fi
2948
2949 if test "$xen_pci_passthrough" != "no"; then
2950   if test "$xen" = "yes" && test "$linux" = "yes"; then
2951     xen_pci_passthrough=yes
2952   else
2953     if test "$xen_pci_passthrough" = "yes"; then
2954       error_exit "User requested feature Xen PCI Passthrough" \
2955           " but this feature requires /sys from Linux"
2956     fi
2957     xen_pci_passthrough=no
2958   fi
2959 fi
2960
2961 ##########################################
2962 # Windows Hypervisor Platform accelerator (WHPX) check
2963 if test "$whpx" != "no" ; then
2964     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2965         whpx="yes"
2966     else
2967         if test "$whpx" = "yes"; then
2968             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2969         fi
2970         whpx="no"
2971     fi
2972 fi
2973
2974 ##########################################
2975 # Sparse probe
2976 if test "$sparse" != "no" ; then
2977   if has cgcc; then
2978     sparse=yes
2979   else
2980     if test "$sparse" = "yes" ; then
2981       feature_not_found "sparse" "Install sparse binary"
2982     fi
2983     sparse=no
2984   fi
2985 fi
2986
2987 ##########################################
2988 # X11 probe
2989 if $pkg_config --exists "x11"; then
2990     have_x11=yes
2991     x11_cflags=$($pkg_config --cflags x11)
2992     x11_libs=$($pkg_config --libs x11)
2993 fi
2994
2995 ##########################################
2996 # GTK probe
2997
2998 if test "$gtk" != "no"; then
2999     gtkpackage="gtk+-3.0"
3000     gtkx11package="gtk+-x11-3.0"
3001     gtkversion="3.22.0"
3002     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3003         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3004         gtk_libs=$($pkg_config --libs $gtkpackage)
3005         gtk_version=$($pkg_config --modversion $gtkpackage)
3006         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3007             need_x11=yes
3008             gtk_cflags="$gtk_cflags $x11_cflags"
3009             gtk_libs="$gtk_libs $x11_libs"
3010         fi
3011         gtk="yes"
3012     elif test "$gtk" = "yes"; then
3013         feature_not_found "gtk" "Install gtk3-devel"
3014     else
3015         gtk="no"
3016     fi
3017 fi
3018
3019
3020 ##########################################
3021 # GNUTLS probe
3022
3023 if test "$gnutls" != "no"; then
3024     pass="no"
3025     if $pkg_config --exists "gnutls >= 3.1.18"; then
3026         gnutls_cflags=$($pkg_config --cflags gnutls)
3027         gnutls_libs=$($pkg_config --libs gnutls)
3028         # Packaging for the static libraries is not always correct.
3029         # At least ubuntu 18.04 ships only shared libraries.
3030         write_c_skeleton
3031         if compile_prog "" "$gnutls_libs" ; then
3032             LIBS="$gnutls_libs $LIBS"
3033             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3034             pass="yes"
3035         fi
3036     fi
3037     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3038         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3039     else
3040         gnutls="$pass"
3041     fi
3042 fi
3043
3044
3045 # If user didn't give a --disable/enable-gcrypt flag,
3046 # then mark as disabled if user requested nettle
3047 # explicitly
3048 if test -z "$gcrypt"
3049 then
3050     if test "$nettle" = "yes"
3051     then
3052         gcrypt="no"
3053     fi
3054 fi
3055
3056 # If user didn't give a --disable/enable-nettle flag,
3057 # then mark as disabled if user requested gcrypt
3058 # explicitly
3059 if test -z "$nettle"
3060 then
3061     if test "$gcrypt" = "yes"
3062     then
3063         nettle="no"
3064     fi
3065 fi
3066
3067 has_libgcrypt() {
3068     if ! has "libgcrypt-config"
3069     then
3070         return 1
3071     fi
3072
3073     if test -n "$cross_prefix"
3074     then
3075         host=$(libgcrypt-config --host)
3076         if test "$host-" != $cross_prefix
3077         then
3078             return 1
3079         fi
3080     fi
3081
3082     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3083     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3084
3085     if test $maj != 1 || test $min -lt 5
3086     then
3087        return 1
3088     fi
3089
3090     return 0
3091 }
3092
3093
3094 if test "$nettle" != "no"; then
3095     pass="no"
3096     if $pkg_config --exists "nettle >= 2.7.1"; then
3097         nettle_cflags=$($pkg_config --cflags nettle)
3098         nettle_libs=$($pkg_config --libs nettle)
3099         nettle_version=$($pkg_config --modversion nettle)
3100         # Link test to make sure the given libraries work (e.g for static).
3101         write_c_skeleton
3102         if compile_prog "" "$nettle_libs" ; then
3103             LIBS="$nettle_libs $LIBS"
3104             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3105             if test -z "$gcrypt"; then
3106                gcrypt="no"
3107             fi
3108             pass="yes"
3109         fi
3110     fi
3111     if test "$pass" = "yes"
3112     then
3113         cat > $TMPC << EOF
3114 #include <nettle/xts.h>
3115 int main(void) {
3116   return 0;
3117 }
3118 EOF
3119         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3120             nettle_xts=yes
3121             qemu_private_xts=no
3122         fi
3123     fi
3124     if test "$pass" = "no" && test "$nettle" = "yes"; then
3125         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3126     else
3127         nettle="$pass"
3128     fi
3129 fi
3130
3131 if test "$gcrypt" != "no"; then
3132     pass="no"
3133     if has_libgcrypt; then
3134         gcrypt_cflags=$(libgcrypt-config --cflags)
3135         gcrypt_libs=$(libgcrypt-config --libs)
3136         # Debian has removed -lgpg-error from libgcrypt-config
3137         # as it "spreads unnecessary dependencies" which in
3138         # turn breaks static builds...
3139         if test "$static" = "yes"
3140         then
3141             gcrypt_libs="$gcrypt_libs -lgpg-error"
3142         fi
3143
3144         # Link test to make sure the given libraries work (e.g for static).
3145         write_c_skeleton
3146         if compile_prog "" "$gcrypt_libs" ; then
3147             LIBS="$gcrypt_libs $LIBS"
3148             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3149             pass="yes"
3150         fi
3151     fi
3152     if test "$pass" = "yes"; then
3153         gcrypt="yes"
3154         cat > $TMPC << EOF
3155 #include <gcrypt.h>
3156 int main(void) {
3157   gcry_mac_hd_t handle;
3158   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3159                 GCRY_MAC_FLAG_SECURE, NULL);
3160   return 0;
3161 }
3162 EOF
3163         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3164             gcrypt_hmac=yes
3165         fi
3166         cat > $TMPC << EOF
3167 #include <gcrypt.h>
3168 int main(void) {
3169   gcry_cipher_hd_t handle;
3170   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3171   return 0;
3172 }
3173 EOF
3174         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3175             gcrypt_xts=yes
3176             qemu_private_xts=no
3177         fi
3178     elif test "$gcrypt" = "yes"; then
3179         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3180     else
3181         gcrypt="no"
3182     fi
3183 fi
3184
3185
3186 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3187 then
3188     error_exit "Only one of gcrypt & nettle can be enabled"
3189 fi
3190
3191 ##########################################
3192 # libtasn1 - only for the TLS creds/session test suite
3193
3194 tasn1=yes
3195 tasn1_cflags=""
3196 tasn1_libs=""
3197 if $pkg_config --exists "libtasn1"; then
3198     tasn1_cflags=$($pkg_config --cflags libtasn1)
3199     tasn1_libs=$($pkg_config --libs libtasn1)
3200 else
3201     tasn1=no
3202 fi
3203
3204
3205 ##########################################
3206 # PAM probe
3207
3208 if test "$auth_pam" != "no"; then
3209     cat > $TMPC <<EOF
3210 #include <security/pam_appl.h>
3211 #include <stdio.h>
3212 int main(void) {
3213    const char *service_name = "qemu";
3214    const char *user = "frank";
3215    const struct pam_conv pam_conv = { 0 };
3216    pam_handle_t *pamh = NULL;
3217    pam_start(service_name, user, &pam_conv, &pamh);
3218    return 0;
3219 }
3220 EOF
3221     if compile_prog "" "-lpam" ; then
3222         auth_pam=yes
3223     else
3224         if test "$auth_pam" = "yes"; then
3225             feature_not_found "PAM" "Install PAM development package"
3226         else
3227             auth_pam=no
3228         fi
3229     fi
3230 fi
3231
3232 ##########################################
3233 # getifaddrs (for tests/test-io-channel-socket )
3234
3235 have_ifaddrs_h=yes
3236 if ! check_include "ifaddrs.h" ; then
3237   have_ifaddrs_h=no
3238 fi
3239
3240 #########################################
3241 # libdrm check
3242 have_drm_h=no
3243 if check_include "libdrm/drm.h" ; then
3244     have_drm_h=yes
3245 fi
3246
3247 #########################################
3248 # sys/signal.h check
3249 have_sys_signal_h=no
3250 if check_include "sys/signal.h" ; then
3251   have_sys_signal_h=yes
3252 fi
3253
3254 ##########################################
3255 # VTE probe
3256
3257 if test "$vte" != "no"; then
3258     vteminversion="0.32.0"
3259     if $pkg_config --exists "vte-2.91"; then
3260       vtepackage="vte-2.91"
3261     else
3262       vtepackage="vte-2.90"
3263     fi
3264     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3265         vte_cflags=$($pkg_config --cflags $vtepackage)
3266         vte_libs=$($pkg_config --libs $vtepackage)
3267         vteversion=$($pkg_config --modversion $vtepackage)
3268         vte="yes"
3269     elif test "$vte" = "yes"; then
3270         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3271     else
3272         vte="no"
3273     fi
3274 fi
3275
3276 ##########################################
3277 # SDL probe
3278
3279 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3280 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3281
3282 sdl_probe ()
3283 {
3284   if $pkg_config sdl2 --exists; then
3285     sdlconfig="$pkg_config sdl2"
3286     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3287   elif has "$sdl2_config"; then
3288     sdlconfig="$sdl2_config"
3289     sdlversion=$($sdlconfig --version)
3290   else
3291     if test "$sdl" = "yes" ; then
3292       feature_not_found "sdl" "Install SDL2-devel"
3293     fi
3294     sdl=no
3295     # no need to do the rest
3296     return
3297   fi
3298   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3299     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3300   fi
3301
3302   cat > $TMPC << EOF
3303 #include <SDL.h>
3304 #undef main /* We don't want SDL to override our main() */
3305 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3306 EOF
3307   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3308   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3309   if test "$static" = "yes" ; then
3310     if $pkg_config sdl2 --exists; then
3311       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3312     else
3313       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3314     fi
3315   else
3316     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3317   fi
3318   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3319     sdl=yes
3320
3321     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3322     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3323       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3324          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3325          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3326       fi
3327       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3328         :
3329       else
3330         sdl=no
3331       fi
3332     fi # static link
3333   else # sdl not found
3334     if test "$sdl" = "yes" ; then
3335       feature_not_found "sdl" "Install SDL2 devel"
3336     fi
3337     sdl=no
3338   fi # sdl compile test
3339 }
3340
3341 sdl_image_probe ()
3342 {
3343     if test "$sdl_image" != "no" ; then
3344         if $pkg_config SDL2_image --exists; then
3345             if test "$static" = "yes"; then
3346                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3347             else
3348                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3349             fi
3350             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3351             sdl_image=yes
3352
3353             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3354             sdl_libs="$sdl_libs $sdl_image_libs"
3355         else
3356             if test "$sdl_image" = "yes" ; then
3357                 feature_not_found "sdl_image" "Install SDL Image devel"
3358             else
3359                 sdl_image=no
3360             fi
3361         fi
3362     fi
3363 }
3364
3365 if test "$sdl" != "no" ; then
3366   sdl_probe
3367 fi
3368
3369 if test "$sdl" = "yes" ; then
3370   sdl_image_probe
3371 else
3372   if test "$sdl_image" = "yes"; then
3373     echo "warning: SDL Image requested, but SDL is not available, disabling"
3374   fi
3375   sdl_image=no
3376 fi
3377
3378 if test "$sdl" = "yes" ; then
3379   cat > $TMPC <<EOF
3380 #include <SDL.h>
3381 #if defined(SDL_VIDEO_DRIVER_X11)
3382 #include <X11/XKBlib.h>
3383 #else
3384 #error No x11 support
3385 #endif
3386 int main(void) { return 0; }
3387 EOF
3388   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3389     need_x11=yes
3390     sdl_cflags="$sdl_cflags $x11_cflags"
3391     sdl_libs="$sdl_libs $x11_libs"
3392   fi
3393 fi
3394
3395 ##########################################
3396 # RDMA needs OpenFabrics libraries
3397 if test "$rdma" != "no" ; then
3398   cat > $TMPC <<EOF
3399 #include <rdma/rdma_cma.h>
3400 int main(void) { return 0; }
3401 EOF
3402   rdma_libs="-lrdmacm -libverbs -libumad"
3403   if compile_prog "" "$rdma_libs" ; then
3404     rdma="yes"
3405     libs_softmmu="$libs_softmmu $rdma_libs"
3406   else
3407     if test "$rdma" = "yes" ; then
3408         error_exit \
3409             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3410             " Your options:" \
3411             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3412             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3413             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3414     fi
3415     rdma="no"
3416   fi
3417 fi
3418
3419 ##########################################
3420 # PVRDMA detection
3421
3422 cat > $TMPC <<EOF &&
3423 #include <sys/mman.h>
3424
3425 int
3426 main(void)
3427 {
3428     char buf = 0;
3429     void *addr = &buf;
3430     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3431
3432     return 0;
3433 }
3434 EOF
3435
3436 if test "$rdma" = "yes" ; then
3437     case "$pvrdma" in
3438     "")
3439         if compile_prog "" ""; then
3440             pvrdma="yes"
3441         else
3442             pvrdma="no"
3443         fi
3444         ;;
3445     "yes")
3446         if ! compile_prog "" ""; then
3447             error_exit "PVRDMA is not supported since mremap is not implemented"
3448         fi
3449         pvrdma="yes"
3450         ;;
3451     "no")
3452         pvrdma="no"
3453         ;;
3454     esac
3455 else
3456     if test "$pvrdma" = "yes" ; then
3457         error_exit "PVRDMA requires rdma suppport"
3458     fi
3459     pvrdma="no"
3460 fi
3461
3462 # Let's see if enhanced reg_mr is supported
3463 if test "$pvrdma" = "yes" ; then
3464
3465 cat > $TMPC <<EOF &&
3466 #include <infiniband/verbs.h>
3467
3468 int
3469 main(void)
3470 {
3471     struct ibv_mr *mr;
3472     struct ibv_pd *pd = NULL;
3473     size_t length = 10;
3474     uint64_t iova = 0;
3475     int access = 0;
3476     void *addr = NULL;
3477
3478     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3479
3480     ibv_dereg_mr(mr);
3481
3482     return 0;
3483 }
3484 EOF
3485     if ! compile_prog "" "-libverbs"; then
3486         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3487     fi
3488 fi
3489
3490 ##########################################
3491 # VNC SASL detection
3492 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3493   cat > $TMPC <<EOF
3494 #include <sasl/sasl.h>
3495 #include <stdio.h>
3496 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3497 EOF
3498   # Assuming Cyrus-SASL installed in /usr prefix
3499   # QEMU defines struct iovec in "qemu/osdep.h",
3500   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3501   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3502   vnc_sasl_libs="-lsasl2"
3503   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3504     vnc_sasl=yes
3505     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3506     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3507   else
3508     if test "$vnc_sasl" = "yes" ; then
3509       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3510     fi
3511     vnc_sasl=no
3512   fi
3513 fi
3514
3515 ##########################################
3516 # VNC JPEG detection
3517 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3518 cat > $TMPC <<EOF
3519 #include <stdio.h>
3520 #include <jpeglib.h>
3521 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3522 EOF
3523     vnc_jpeg_cflags=""
3524     vnc_jpeg_libs="-ljpeg"
3525   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3526     vnc_jpeg=yes
3527     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3528     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3529   else
3530     if test "$vnc_jpeg" = "yes" ; then
3531       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3532     fi
3533     vnc_jpeg=no
3534   fi
3535 fi
3536
3537 ##########################################
3538 # VNC PNG detection
3539 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3540 cat > $TMPC <<EOF
3541 //#include <stdio.h>
3542 #include <png.h>
3543 #include <stddef.h>
3544 int main(void) {
3545     png_structp png_ptr;
3546     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3547     return png_ptr != 0;
3548 }
3549 EOF
3550   if $pkg_config libpng --exists; then
3551     vnc_png_cflags=$($pkg_config libpng --cflags)
3552     vnc_png_libs=$($pkg_config libpng --libs)
3553   else
3554     vnc_png_cflags=""
3555     vnc_png_libs="-lpng"
3556   fi
3557   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3558     vnc_png=yes
3559     libs_softmmu="$vnc_png_libs $libs_softmmu"
3560     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3561   else
3562     if test "$vnc_png" = "yes" ; then
3563       feature_not_found "vnc-png" "Install libpng devel"
3564     fi
3565     vnc_png=no
3566   fi
3567 fi
3568
3569 ##########################################
3570 # xkbcommon probe
3571 if test "$xkbcommon" != "no" ; then
3572   if $pkg_config xkbcommon --exists; then
3573     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3574     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3575     xkbcommon=yes
3576   else
3577     if test "$xkbcommon" = "yes" ; then
3578       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3579     fi
3580     xkbcommon=no
3581   fi
3582 fi
3583
3584
3585 ##########################################
3586 # xfsctl() probe, used for file-posix.c
3587 if test "$xfs" != "no" ; then
3588   cat > $TMPC << EOF
3589 #include <stddef.h>  /* NULL */
3590 #include <xfs/xfs.h>
3591 int main(void)
3592 {
3593     xfsctl(NULL, 0, 0, NULL);
3594     return 0;
3595 }
3596 EOF
3597   if compile_prog "" "" ; then
3598     xfs="yes"
3599   else
3600     if test "$xfs" = "yes" ; then
3601       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3602     fi
3603     xfs=no
3604   fi
3605 fi
3606
3607 ##########################################
3608 # vde libraries probe
3609 if test "$vde" != "no" ; then
3610   vde_libs="-lvdeplug"
3611   cat > $TMPC << EOF
3612 #include <libvdeplug.h>
3613 int main(void)
3614 {
3615     struct vde_open_args a = {0, 0, 0};
3616     char s[] = "";
3617     vde_open(s, s, &a);
3618     return 0;
3619 }
3620 EOF
3621   if compile_prog "" "$vde_libs" ; then
3622     vde=yes
3623   else
3624     if test "$vde" = "yes" ; then
3625       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3626     fi
3627     vde=no
3628   fi
3629 fi
3630
3631 ##########################################
3632 # netmap support probe
3633 # Apart from looking for netmap headers, we make sure that the host API version
3634 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3635 # a minor/major version number. Minor new features will be marked with values up
3636 # to 15, and if something happens that requires a change to the backend we will
3637 # move above 15, submit the backend fixes and modify this two bounds.
3638 if test "$netmap" != "no" ; then
3639   cat > $TMPC << EOF
3640 #include <inttypes.h>
3641 #include <net/if.h>
3642 #include <net/netmap.h>
3643 #include <net/netmap_user.h>
3644 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3645 #error
3646 #endif
3647 int main(void) { return 0; }
3648 EOF
3649   if compile_prog "" "" ; then
3650     netmap=yes
3651   else
3652     if test "$netmap" = "yes" ; then
3653       feature_not_found "netmap"
3654     fi
3655     netmap=no
3656   fi
3657 fi
3658
3659 ############################################
3660 # efi-aarch64 probe
3661 # Check for efi files needed by aarch64 VMs.
3662 # By default we will use the efi included with QEMU.
3663 # Allow user to override the path for efi also.
3664 if ! test -f "$efi_aarch64"; then
3665   if test -f $source_path/pc-bios/edk2-aarch64-code.fd.bz2; then
3666     # valid after build
3667     efi_aarch64=$PWD/pc-bios/edk2-aarch64-code.fd
3668   else
3669     efi_aarch64=""
3670   fi
3671 fi
3672
3673 ##########################################
3674 # libcap-ng library probe
3675 if test "$cap_ng" != "no" ; then
3676   cap_libs="-lcap-ng"
3677   cat > $TMPC << EOF
3678 #include <cap-ng.h>
3679 int main(void)
3680 {
3681     capng_capability_to_name(CAPNG_EFFECTIVE);
3682     return 0;
3683 }
3684 EOF
3685   if compile_prog "" "$cap_libs" ; then
3686     cap_ng=yes
3687     libs_tools="$cap_libs $libs_tools"
3688   else
3689     if test "$cap_ng" = "yes" ; then
3690       feature_not_found "cap_ng" "Install libcap-ng devel"
3691     fi
3692     cap_ng=no
3693   fi
3694 fi
3695
3696 ##########################################
3697 # Sound support libraries probe
3698
3699 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3700 for drv in $audio_drv_list; do
3701     case $drv in
3702     alsa | try-alsa)
3703     if $pkg_config alsa --exists; then
3704         alsa_libs=$($pkg_config alsa --libs)
3705         if test "$drv" = "try-alsa"; then
3706             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3707         fi
3708     else
3709         if test "$drv" = "try-alsa"; then
3710             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3711         else
3712             error_exit "$drv check failed" \
3713                 "Make sure to have the $drv libs and headers installed."
3714         fi
3715     fi
3716     ;;
3717
3718     pa | try-pa)
3719     if $pkg_config libpulse --exists; then
3720         pulse_libs=$($pkg_config libpulse --libs)
3721         if test "$drv" = "try-pa"; then
3722             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3723         fi
3724     else
3725         if test "$drv" = "try-pa"; then
3726             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3727         else
3728             error_exit "$drv check failed" \
3729                 "Make sure to have the $drv libs and headers installed."
3730         fi
3731     fi
3732     ;;
3733
3734     sdl)
3735     if test "$sdl" = "no"; then
3736         error_exit "sdl not found or disabled, can not use sdl audio driver"
3737     fi
3738     ;;
3739
3740     try-sdl)
3741     if test "$sdl" = "no"; then
3742         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3743     else
3744         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3745     fi
3746     ;;
3747
3748     coreaudio)
3749       coreaudio_libs="-framework CoreAudio"
3750     ;;
3751
3752     dsound)
3753       dsound_libs="-lole32 -ldxguid"
3754       audio_win_int="yes"
3755     ;;
3756
3757     oss)
3758       oss_libs="$oss_lib"
3759     ;;
3760
3761     jack | try-jack)
3762     if $pkg_config jack --exists; then
3763         jack_libs=$($pkg_config jack --libs)
3764         if test "$drv" = "try-jack"; then
3765             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3766         fi
3767     else
3768         if test "$drv" = "try-jack"; then
3769             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3770         else
3771             error_exit "$drv check failed" \
3772                 "Make sure to have the $drv libs and headers installed."
3773         fi
3774     fi
3775     ;;
3776
3777     *)
3778     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3779         error_exit "Unknown driver '$drv' selected" \
3780             "Possible drivers are: $audio_possible_drivers"
3781     }
3782     ;;
3783     esac
3784 done
3785
3786 ##########################################
3787 # BrlAPI probe
3788
3789 if test "$brlapi" != "no" ; then
3790   brlapi_libs="-lbrlapi"
3791   cat > $TMPC << EOF
3792 #include <brlapi.h>
3793 #include <stddef.h>
3794 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3795 EOF
3796   if compile_prog "" "$brlapi_libs" ; then
3797     brlapi=yes
3798   else
3799     if test "$brlapi" = "yes" ; then
3800       feature_not_found "brlapi" "Install brlapi devel"
3801     fi
3802     brlapi=no
3803   fi
3804 fi
3805
3806 ##########################################
3807 # iconv probe
3808 if test "$iconv" != "no" ; then
3809   cat > $TMPC << EOF
3810 #include <iconv.h>
3811 int main(void) {
3812   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3813   return conv != (iconv_t) -1;
3814 }
3815 EOF
3816   iconv_prefix_list="/usr/local:/usr"
3817   iconv_lib_list=":-liconv"
3818   IFS=:
3819   for iconv_prefix in $iconv_prefix_list; do
3820     IFS=:
3821     iconv_cflags="-I$iconv_prefix/include"
3822     iconv_ldflags="-L$iconv_prefix/lib"
3823     for iconv_link in $iconv_lib_list; do
3824       unset IFS
3825       iconv_lib="$iconv_ldflags $iconv_link"
3826       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3827       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3828         iconv_found=yes
3829         break
3830       fi
3831     done
3832     if test "$iconv_found" = yes ; then
3833       break
3834     fi
3835   done
3836   if test "$iconv_found" = "yes" ; then
3837     iconv=yes
3838   else
3839     if test "$iconv" = "yes" ; then
3840       feature_not_found "iconv" "Install iconv devel"
3841     fi
3842     iconv=no
3843   fi
3844 fi
3845
3846 ##########################################
3847 # curses probe
3848 if test "$iconv" = "no" ; then
3849   # curses will need iconv
3850   curses=no
3851 fi
3852 if test "$curses" != "no" ; then
3853   if test "$mingw32" = "yes" ; then
3854     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3855     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3856   else
3857     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3858     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3859   fi
3860   curses_found=no
3861   cat > $TMPC << EOF
3862 #include <locale.h>
3863 #include <curses.h>
3864 #include <wchar.h>
3865 #include <langinfo.h>
3866 int main(void) {
3867   const char *codeset;
3868   wchar_t wch = L'w';
3869   setlocale(LC_ALL, "");
3870   resize_term(0, 0);
3871   addwstr(L"wide chars\n");
3872   addnwstr(&wch, 1);
3873   add_wch(WACS_DEGREE);
3874   codeset = nl_langinfo(CODESET);
3875   return codeset != 0;
3876 }
3877 EOF
3878   IFS=:
3879   for curses_inc in $curses_inc_list; do
3880     # Make sure we get the wide character prototypes
3881     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3882     IFS=:
3883     for curses_lib in $curses_lib_list; do
3884       unset IFS
3885       if compile_prog "$curses_inc" "$curses_lib" ; then
3886         curses_found=yes
3887         break
3888       fi
3889     done
3890     if test "$curses_found" = yes ; then
3891       break
3892     fi
3893   done
3894   unset IFS
3895   if test "$curses_found" = "yes" ; then
3896     curses=yes
3897   else
3898     if test "$curses" = "yes" ; then
3899       feature_not_found "curses" "Install ncurses devel"
3900     fi
3901     curses=no
3902   fi
3903 fi
3904
3905 ##########################################
3906 # curl probe
3907 if test "$curl" != "no" ; then
3908   if $pkg_config libcurl --exists; then
3909     curlconfig="$pkg_config libcurl"
3910   else
3911     curlconfig=curl-config
3912   fi
3913   cat > $TMPC << EOF
3914 #include <curl/curl.h>
3915 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3916 EOF
3917   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3918   curl_libs=$($curlconfig --libs 2>/dev/null)
3919   if compile_prog "$curl_cflags" "$curl_libs" ; then
3920     curl=yes
3921   else
3922     if test "$curl" = "yes" ; then
3923       feature_not_found "curl" "Install libcurl devel"
3924     fi
3925     curl=no
3926   fi
3927 fi # test "$curl"
3928
3929 ##########################################
3930 # glib support probe
3931
3932 glib_req_ver=2.48
3933 glib_modules=gthread-2.0
3934 if test "$modules" = yes; then
3935     glib_modules="$glib_modules gmodule-export-2.0"
3936 fi
3937 if test "$plugins" = yes; then
3938     glib_modules="$glib_modules gmodule-2.0"
3939 fi
3940
3941 # This workaround is required due to a bug in pkg-config file for glib as it
3942 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3943
3944 if test "$static" = yes && test "$mingw32" = yes; then
3945     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3946 fi
3947
3948 for i in $glib_modules; do
3949     if $pkg_config --atleast-version=$glib_req_ver $i; then
3950         glib_cflags=$($pkg_config --cflags $i)
3951         glib_libs=$($pkg_config --libs $i)
3952         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3953         LIBS="$glib_libs $LIBS"
3954         libs_qga="$glib_libs $libs_qga"
3955     else
3956         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3957     fi
3958 done
3959
3960 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3961     gio=yes
3962     gio_cflags=$($pkg_config --cflags gio-2.0)
3963     gio_libs=$($pkg_config --libs gio-2.0)
3964     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3965     if [ ! -x "$gdbus_codegen" ]; then
3966         gdbus_codegen=
3967     fi
3968 else
3969     gio=no
3970 fi
3971
3972 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3973     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3974     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3975 fi
3976
3977 # Sanity check that the current size_t matches the
3978 # size that glib thinks it should be. This catches
3979 # problems on multi-arch where people try to build
3980 # 32-bit QEMU while pointing at 64-bit glib headers
3981 cat > $TMPC <<EOF
3982 #include <glib.h>
3983 #include <unistd.h>
3984
3985 #define QEMU_BUILD_BUG_ON(x) \
3986   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3987
3988 int main(void) {
3989    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3990    return 0;
3991 }
3992 EOF
3993
3994 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3995     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3996                "You probably need to set PKG_CONFIG_LIBDIR"\
3997                "to point to the right pkg-config files for your"\
3998                "build target"
3999 fi
4000
4001 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4002 cat > $TMPC << EOF
4003 #include <glib.h>
4004 int main(void) { return 0; }
4005 EOF
4006 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4007     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4008         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4009         CFLAGS="-Wno-unknown-attributes $CFLAGS"
4010     fi
4011 fi
4012
4013 # Silence clang warnings triggered by glib < 2.57.2
4014 cat > $TMPC << EOF
4015 #include <glib.h>
4016 typedef struct Foo {
4017     int i;
4018 } Foo;
4019 static void foo_free(Foo *f)
4020 {
4021     g_free(f);
4022 }
4023 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4024 int main(void) { return 0; }
4025 EOF
4026 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4027     if cc_has_warning_flag "-Wno-unused-function"; then
4028         glib_cflags="$glib_cflags -Wno-unused-function"
4029         CFLAGS="$CFLAGS -Wno-unused-function"
4030     fi
4031 fi
4032
4033 #########################################
4034 # zlib check
4035
4036 if test "$zlib" != "no" ; then
4037     if $pkg_config --exists zlib; then
4038         zlib_cflags=$($pkg_config --cflags zlib)
4039         zlib_libs=$($pkg_config --libs zlib)
4040         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4041         LIBS="$zlib_libs $LIBS"
4042     else
4043         cat > $TMPC << EOF
4044 #include <zlib.h>
4045 int main(void) { zlibVersion(); return 0; }
4046 EOF
4047         if compile_prog "" "-lz" ; then
4048             LIBS="$LIBS -lz"
4049         else
4050             error_exit "zlib check failed" \
4051                 "Make sure to have the zlib libs and headers installed."
4052         fi
4053     fi
4054 fi
4055
4056 ##########################################
4057 # SHA command probe for modules
4058 if test "$modules" = yes; then
4059     shacmd_probe="sha1sum sha1 shasum"
4060     for c in $shacmd_probe; do
4061         if has $c; then
4062             shacmd="$c"
4063             break
4064         fi
4065     done
4066     if test "$shacmd" = ""; then
4067         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4068     fi
4069 fi
4070
4071 ##########################################
4072 # pixman support probe
4073
4074 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
4075   pixman_cflags=
4076   pixman_libs=
4077 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4078   pixman_cflags=$($pkg_config --cflags pixman-1)
4079   pixman_libs=$($pkg_config --libs pixman-1)
4080 else
4081   error_exit "pixman >= 0.21.8 not present." \
4082       "Please install the pixman devel package."
4083 fi
4084
4085 ##########################################
4086 # libmpathpersist probe
4087
4088 if test "$mpath" != "no" ; then
4089   # probe for the new API
4090   cat > $TMPC <<EOF
4091 #include <libudev.h>
4092 #include <mpath_persist.h>
4093 unsigned mpath_mx_alloc_len = 1024;
4094 int logsink;
4095 static struct config *multipath_conf;
4096 extern struct udev *udev;
4097 extern struct config *get_multipath_config(void);
4098 extern void put_multipath_config(struct config *conf);
4099 struct udev *udev;
4100 struct config *get_multipath_config(void) { return multipath_conf; }
4101 void put_multipath_config(struct config *conf) { }
4102
4103 int main(void) {
4104     udev = udev_new();
4105     multipath_conf = mpath_lib_init();
4106     return 0;
4107 }
4108 EOF
4109   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4110     mpathpersist=yes
4111     mpathpersist_new_api=yes
4112   else
4113     # probe for the old API
4114     cat > $TMPC <<EOF
4115 #include <libudev.h>
4116 #include <mpath_persist.h>
4117 unsigned mpath_mx_alloc_len = 1024;
4118 int logsink;
4119 int main(void) {
4120     struct udev *udev = udev_new();
4121     mpath_lib_init(udev);
4122     return 0;
4123 }
4124 EOF
4125     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4126       mpathpersist=yes
4127       mpathpersist_new_api=no
4128     else
4129       mpathpersist=no
4130     fi
4131   fi
4132 else
4133   mpathpersist=no
4134 fi
4135
4136 ##########################################
4137 # pthread probe
4138 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4139
4140 pthread=no
4141 cat > $TMPC << EOF
4142 #include <pthread.h>
4143 static void *f(void *p) { return NULL; }
4144 int main(void) {
4145   pthread_t thread;
4146   pthread_create(&thread, 0, f, 0);
4147   return 0;
4148 }
4149 EOF
4150 if compile_prog "" "" ; then
4151   pthread=yes
4152 else
4153   for pthread_lib in $PTHREADLIBS_LIST; do
4154     if compile_prog "" "$pthread_lib" ; then
4155       pthread=yes
4156       found=no
4157       for lib_entry in $LIBS; do
4158         if test "$lib_entry" = "$pthread_lib"; then
4159           found=yes
4160           break
4161         fi
4162       done
4163       if test "$found" = "no"; then
4164         LIBS="$pthread_lib $LIBS"
4165         libs_qga="$pthread_lib $libs_qga"
4166       fi
4167       PTHREAD_LIB="$pthread_lib"
4168       break
4169     fi
4170   done
4171 fi
4172
4173 if test "$mingw32" != yes && test "$pthread" = no; then
4174   error_exit "pthread check failed" \
4175       "Make sure to have the pthread libs and headers installed."
4176 fi
4177
4178 # check for pthread_setname_np with thread id
4179 pthread_setname_np_w_tid=no
4180 cat > $TMPC << EOF
4181 #include <pthread.h>
4182
4183 static void *f(void *p) { return NULL; }
4184 int main(void)
4185 {
4186     pthread_t thread;
4187     pthread_create(&thread, 0, f, 0);
4188     pthread_setname_np(thread, "QEMU");
4189     return 0;
4190 }
4191 EOF
4192 if compile_prog "" "$pthread_lib" ; then
4193   pthread_setname_np_w_tid=yes
4194 fi
4195
4196 # check for pthread_setname_np without thread id
4197 pthread_setname_np_wo_tid=no
4198 cat > $TMPC << EOF
4199 #include <pthread.h>
4200
4201 static void *f(void *p) { pthread_setname_np("QEMU"); }
4202 int main(void)
4203 {
4204     pthread_t thread;
4205     pthread_create(&thread, 0, f, 0);
4206     return 0;
4207 }
4208 EOF
4209 if compile_prog "" "$pthread_lib" ; then
4210   pthread_setname_np_wo_tid=yes
4211 fi
4212
4213 ##########################################
4214 # rbd probe
4215 if test "$rbd" != "no" ; then
4216   cat > $TMPC <<EOF
4217 #include <stdio.h>
4218 #include <rbd/librbd.h>
4219 int main(void) {
4220     rados_t cluster;
4221     rados_create(&cluster, NULL);
4222     return 0;
4223 }
4224 EOF
4225   rbd_libs="-lrbd -lrados"
4226   if compile_prog "" "$rbd_libs" ; then
4227     rbd=yes
4228   else
4229     if test "$rbd" = "yes" ; then
4230       feature_not_found "rados block device" "Install librbd/ceph devel"
4231     fi
4232     rbd=no
4233   fi
4234 fi
4235
4236 ##########################################
4237 # libssh probe
4238 if test "$libssh" != "no" ; then
4239   if $pkg_config --exists libssh; then
4240     libssh_cflags=$($pkg_config libssh --cflags)
4241     libssh_libs=$($pkg_config libssh --libs)
4242     libssh=yes
4243   else
4244     if test "$libssh" = "yes" ; then
4245       error_exit "libssh required for --enable-libssh"
4246     fi
4247     libssh=no
4248   fi
4249 fi
4250
4251 ##########################################
4252 # Check for libssh 0.8
4253 # This is done like this instead of using the LIBSSH_VERSION_* and
4254 # SSH_VERSION_* macros because some distributions in the past shipped
4255 # snapshots of the future 0.8 from Git, and those snapshots did not
4256 # have updated version numbers (still referring to 0.7.0).
4257
4258 if test "$libssh" = "yes"; then
4259   cat > $TMPC <<EOF
4260 #include <libssh/libssh.h>
4261 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4262 EOF
4263   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4264     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4265   fi
4266 fi
4267
4268 ##########################################
4269 # linux-aio probe
4270
4271 if test "$linux_aio" != "no" ; then
4272   cat > $TMPC <<EOF
4273 #include <libaio.h>
4274 #include <sys/eventfd.h>
4275 #include <stddef.h>
4276 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4277 EOF
4278   if compile_prog "" "-laio" ; then
4279     linux_aio=yes
4280   else
4281     if test "$linux_aio" = "yes" ; then
4282       feature_not_found "linux AIO" "Install libaio devel"
4283     fi
4284     linux_aio=no
4285   fi
4286 fi
4287 ##########################################
4288 # linux-io-uring probe
4289
4290 if test "$linux_io_uring" != "no" ; then
4291   if $pkg_config liburing; then
4292     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4293     linux_io_uring_libs=$($pkg_config --libs liburing)
4294     linux_io_uring=yes
4295
4296     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4297     # seen by programs linking the archive.  It's not ideal, but just add the
4298     # library dependency globally.
4299     LIBS="$linux_io_uring_libs $LIBS"
4300   else
4301     if test "$linux_io_uring" = "yes" ; then
4302       feature_not_found "linux io_uring" "Install liburing devel"
4303     fi
4304     linux_io_uring=no
4305   fi
4306 fi
4307
4308 ##########################################
4309 # TPM emulation is only on POSIX
4310
4311 if test "$tpm" = ""; then
4312   if test "$mingw32" = "yes"; then
4313     tpm=no
4314   else
4315     tpm=yes
4316   fi
4317 elif test "$tpm" = "yes"; then
4318   if test "$mingw32" = "yes" ; then
4319     error_exit "TPM emulation only available on POSIX systems"
4320   fi
4321 fi
4322
4323 ##########################################
4324 # attr probe
4325
4326 if test "$attr" != "no" ; then
4327   cat > $TMPC <<EOF
4328 #include <stdio.h>
4329 #include <sys/types.h>
4330 #ifdef CONFIG_LIBATTR
4331 #include <attr/xattr.h>
4332 #else
4333 #include <sys/xattr.h>
4334 #endif
4335 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4336 EOF
4337   if compile_prog "" "" ; then
4338     attr=yes
4339   # Older distros have <attr/xattr.h>, and need -lattr:
4340   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4341     attr=yes
4342     LIBS="-lattr $LIBS"
4343     libattr=yes
4344   else
4345     if test "$attr" = "yes" ; then
4346       feature_not_found "ATTR" "Install libc6 or libattr devel"
4347     fi
4348     attr=no
4349   fi
4350 fi
4351
4352 ##########################################
4353 # iovec probe
4354 cat > $TMPC <<EOF
4355 #include <sys/types.h>
4356 #include <sys/uio.h>
4357 #include <unistd.h>
4358 int main(void) { return sizeof(struct iovec); }
4359 EOF
4360 iovec=no
4361 if compile_prog "" "" ; then
4362   iovec=yes
4363 fi
4364
4365 ##########################################
4366 # preadv probe
4367 cat > $TMPC <<EOF
4368 #include <sys/types.h>
4369 #include <sys/uio.h>
4370 #include <unistd.h>
4371 int main(void) { return preadv(0, 0, 0, 0); }
4372 EOF
4373 preadv=no
4374 if compile_prog "" "" ; then
4375   preadv=yes
4376 fi
4377
4378 ##########################################
4379 # fdt probe
4380 # fdt support is mandatory for at least some target architectures,
4381 # so insist on it if we're building those system emulators.
4382 fdt_required=no
4383 for target in $target_list; do
4384   case $target in
4385     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4386       fdt_required=yes
4387     ;;
4388   esac
4389 done
4390
4391 if test "$fdt_required" = "yes"; then
4392   if test "$fdt" = "no"; then
4393     error_exit "fdt disabled but some requested targets require it." \
4394       "You can turn off fdt only if you also disable all the system emulation" \
4395       "targets which need it (by specifying a cut down --target-list)."
4396   fi
4397   fdt=yes
4398 elif test "$fdt" != "yes" ; then
4399   fdt=no
4400 fi
4401
4402 # fdt is only required when building softmmu targets
4403 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4404     fdt="no"
4405 fi
4406
4407 if test "$fdt" != "no" ; then
4408   fdt_libs="-lfdt"
4409   # explicitly check for libfdt_env.h as it is missing in some stable installs
4410   # and test for required functions to make sure we are on a version >= 1.4.2
4411   cat > $TMPC << EOF
4412 #include <libfdt.h>
4413 #include <libfdt_env.h>
4414 int main(void) { fdt_check_full(NULL, 0); return 0; }
4415 EOF
4416   if compile_prog "" "$fdt_libs" ; then
4417     # system DTC is good - use it
4418     fdt=system
4419   else
4420       # have GIT checkout, so activate dtc submodule
4421       if test -e "${source_path}/.git" ; then
4422           git_submodules="${git_submodules} dtc"
4423       fi
4424       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4425           fdt=git
4426           mkdir -p dtc
4427           if [ "$pwd_is_source_path" != "y" ] ; then
4428               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4429           fi
4430           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4431           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4432           fdt_libs="$fdt_libs"
4433       elif test "$fdt" = "yes" ; then
4434           # Not a git build & no libfdt found, prompt for system install
4435           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4436                      "Please install the DTC (libfdt) devel package"
4437       else
4438           # don't have and don't want
4439           fdt_libs=
4440           fdt=no
4441       fi
4442   fi
4443 fi
4444
4445 libs_softmmu="$libs_softmmu $fdt_libs"
4446
4447 ##########################################
4448 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4449
4450 gbm="no"
4451 if $pkg_config gbm; then
4452     gbm_cflags="$($pkg_config --cflags gbm)"
4453     gbm_libs="$($pkg_config --libs gbm)"
4454     gbm="yes"
4455 fi
4456
4457 if test "$opengl" != "no" ; then
4458   opengl_pkgs="epoxy gbm"
4459   if $pkg_config $opengl_pkgs; then
4460     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4461     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4462     opengl=yes
4463     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4464         gtk_gl="yes"
4465     fi
4466     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4467   else
4468     if test "$opengl" = "yes" ; then
4469       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4470     fi
4471     opengl_cflags=""
4472     opengl_libs=""
4473     opengl=no
4474   fi
4475 fi
4476
4477 if test "$opengl" = "yes"; then
4478   cat > $TMPC << EOF
4479 #include <epoxy/egl.h>
4480 #ifndef EGL_MESA_image_dma_buf_export
4481 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4482 #endif
4483 int main(void) { return 0; }
4484 EOF
4485   if compile_prog "" "" ; then
4486     opengl_dmabuf=yes
4487   fi
4488 fi
4489
4490 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4491   for target in $target_list; do
4492     case $target in
4493       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4494         need_x11=yes
4495       ;;
4496     esac
4497   done
4498 fi
4499
4500 ##########################################
4501 # libxml2 probe
4502 if test "$libxml2" != "no" ; then
4503     if $pkg_config --exists libxml-2.0; then
4504         libxml2="yes"
4505         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4506         libxml2_libs=$($pkg_config --libs libxml-2.0)
4507     else
4508         if test "$libxml2" = "yes"; then
4509             feature_not_found "libxml2" "Install libxml2 devel"
4510         fi
4511         libxml2="no"
4512     fi
4513 fi
4514
4515 ##########################################
4516 # glusterfs probe
4517 if test "$glusterfs" != "no" ; then
4518   if $pkg_config --atleast-version=3 glusterfs-api; then
4519     glusterfs="yes"
4520     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4521     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4522     if $pkg_config --atleast-version=4 glusterfs-api; then
4523       glusterfs_xlator_opt="yes"
4524     fi
4525     if $pkg_config --atleast-version=5 glusterfs-api; then
4526       glusterfs_discard="yes"
4527     fi
4528     if $pkg_config --atleast-version=6 glusterfs-api; then
4529       glusterfs_fallocate="yes"
4530       glusterfs_zerofill="yes"
4531     fi
4532     cat > $TMPC << EOF
4533 #include <glusterfs/api/glfs.h>
4534
4535 int
4536 main(void)
4537 {
4538         /* new glfs_ftruncate() passes two additional args */
4539         return glfs_ftruncate(NULL, 0, NULL, NULL);
4540 }
4541 EOF
4542     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4543       glusterfs_ftruncate_has_stat="yes"
4544     fi
4545     cat > $TMPC << EOF
4546 #include <glusterfs/api/glfs.h>
4547
4548 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4549 static void
4550 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4551 {}
4552
4553 int
4554 main(void)
4555 {
4556         glfs_io_cbk iocb = &glusterfs_iocb;
4557         iocb(NULL, 0 , NULL, NULL, NULL);
4558         return 0;
4559 }
4560 EOF
4561     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4562       glusterfs_iocb_has_stat="yes"
4563     fi
4564   else
4565     if test "$glusterfs" = "yes" ; then
4566       feature_not_found "GlusterFS backend support" \
4567           "Install glusterfs-api devel >= 3"
4568     fi
4569     glusterfs="no"
4570   fi
4571 fi
4572
4573 # Check for inotify functions when we are building linux-user
4574 # emulator.  This is done because older glibc versions don't
4575 # have syscall stubs for these implemented.  In that case we
4576 # don't provide them even if kernel supports them.
4577 #
4578 inotify=no
4579 cat > $TMPC << EOF
4580 #include <sys/inotify.h>
4581
4582 int
4583 main(void)
4584 {
4585         /* try to start inotify */
4586         return inotify_init();
4587 }
4588 EOF
4589 if compile_prog "" "" ; then
4590   inotify=yes
4591 fi
4592
4593 inotify1=no
4594 cat > $TMPC << EOF
4595 #include <sys/inotify.h>
4596
4597 int
4598 main(void)
4599 {
4600     /* try to start inotify */
4601     return inotify_init1(0);
4602 }
4603 EOF
4604 if compile_prog "" "" ; then
4605   inotify1=yes
4606 fi
4607
4608 # check if pipe2 is there
4609 pipe2=no
4610 cat > $TMPC << EOF
4611 #include <unistd.h>
4612 #include <fcntl.h>
4613
4614 int main(void)
4615 {
4616     int pipefd[2];
4617     return pipe2(pipefd, O_CLOEXEC);
4618 }
4619 EOF
4620 if compile_prog "" "" ; then
4621   pipe2=yes
4622 fi
4623
4624 # check if accept4 is there
4625 accept4=no
4626 cat > $TMPC << EOF
4627 #include <sys/socket.h>
4628 #include <stddef.h>
4629
4630 int main(void)
4631 {
4632     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4633     return 0;
4634 }
4635 EOF
4636 if compile_prog "" "" ; then
4637   accept4=yes
4638 fi
4639
4640 # check if tee/splice is there. vmsplice was added same time.
4641 splice=no
4642 cat > $TMPC << EOF
4643 #include <unistd.h>
4644 #include <fcntl.h>
4645 #include <limits.h>
4646
4647 int main(void)
4648 {
4649     int len, fd = 0;
4650     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4651     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4652     return 0;
4653 }
4654 EOF
4655 if compile_prog "" "" ; then
4656   splice=yes
4657 fi
4658
4659 ##########################################
4660 # libnuma probe
4661
4662 if test "$numa" != "no" ; then
4663   cat > $TMPC << EOF
4664 #include <numa.h>
4665 int main(void) { return numa_available(); }
4666 EOF
4667
4668   if compile_prog "" "-lnuma" ; then
4669     numa=yes
4670     libs_softmmu="-lnuma $libs_softmmu"
4671   else
4672     if test "$numa" = "yes" ; then
4673       feature_not_found "numa" "install numactl devel"
4674     fi
4675     numa=no
4676   fi
4677 fi
4678
4679 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4680     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4681     exit 1
4682 fi
4683
4684 # Even if malloc_trim() is available, these non-libc memory allocators
4685 # do not support it.
4686 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4687     if test "$malloc_trim" = "yes" ; then
4688         echo "Disabling malloc_trim with non-libc memory allocator"
4689     fi
4690     malloc_trim="no"
4691 fi
4692
4693 #######################################
4694 # malloc_trim
4695
4696 if test "$malloc_trim" != "no" ; then
4697     cat > $TMPC << EOF
4698 #include <malloc.h>
4699 int main(void) { malloc_trim(0); return 0; }
4700 EOF
4701     if compile_prog "" "" ; then
4702         malloc_trim="yes"
4703     else
4704         malloc_trim="no"
4705     fi
4706 fi
4707
4708 ##########################################
4709 # tcmalloc probe
4710
4711 if test "$tcmalloc" = "yes" ; then
4712   cat > $TMPC << EOF
4713 #include <stdlib.h>
4714 int main(void) {
4715     void *tmp = malloc(1);
4716     if (tmp != NULL) {
4717         return 0;
4718     }
4719     return 1;
4720 }
4721 EOF
4722
4723   if compile_prog "" "-ltcmalloc" ; then
4724     LIBS="-ltcmalloc $LIBS"
4725   else
4726     feature_not_found "tcmalloc" "install gperftools devel"
4727   fi
4728 fi
4729
4730 ##########################################
4731 # jemalloc probe
4732
4733 if test "$jemalloc" = "yes" ; then
4734   cat > $TMPC << EOF
4735 #include <stdlib.h>
4736 int main(void) {
4737     void *tmp = malloc(1);
4738     if (tmp != NULL) {
4739         return 0;
4740     }
4741     return 1;
4742 }
4743 EOF
4744
4745   if compile_prog "" "-ljemalloc" ; then
4746     LIBS="-ljemalloc $LIBS"
4747   else
4748     feature_not_found "jemalloc" "install jemalloc devel"
4749   fi
4750 fi
4751
4752 ##########################################
4753 # signalfd probe
4754 signalfd="no"
4755 cat > $TMPC << EOF
4756 #include <unistd.h>
4757 #include <sys/syscall.h>
4758 #include <signal.h>
4759 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4760 EOF
4761
4762 if compile_prog "" "" ; then
4763   signalfd=yes
4764 fi
4765
4766 # check if optreset global is declared by <getopt.h>
4767 optreset="no"
4768 cat > $TMPC << EOF
4769 #include <getopt.h>
4770 int main(void) { return optreset; }
4771 EOF
4772
4773 if compile_prog "" "" ; then
4774   optreset=yes
4775 fi
4776
4777 # check if eventfd is supported
4778 eventfd=no
4779 cat > $TMPC << EOF
4780 #include <sys/eventfd.h>
4781
4782 int main(void)
4783 {
4784     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4785 }
4786 EOF
4787 if compile_prog "" "" ; then
4788   eventfd=yes
4789 fi
4790
4791 # check if memfd is supported
4792 memfd=no
4793 cat > $TMPC << EOF
4794 #include <sys/mman.h>
4795
4796 int main(void)
4797 {
4798     return memfd_create("foo", MFD_ALLOW_SEALING);
4799 }
4800 EOF
4801 if compile_prog "" "" ; then
4802   memfd=yes
4803 fi
4804
4805 # check for usbfs
4806 have_usbfs=no
4807 if test "$linux_user" = "yes"; then
4808   cat > $TMPC << EOF
4809 #include <linux/usbdevice_fs.h>
4810
4811 #ifndef USBDEVFS_GET_CAPABILITIES
4812 #error "USBDEVFS_GET_CAPABILITIES undefined"
4813 #endif
4814
4815 #ifndef USBDEVFS_DISCONNECT_CLAIM
4816 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4817 #endif
4818
4819 int main(void)
4820 {
4821     return 0;
4822 }
4823 EOF
4824   if compile_prog "" ""; then
4825     have_usbfs=yes
4826   fi
4827 fi
4828
4829 # check for fallocate
4830 fallocate=no
4831 cat > $TMPC << EOF
4832 #include <fcntl.h>
4833
4834 int main(void)
4835 {
4836     fallocate(0, 0, 0, 0);
4837     return 0;
4838 }
4839 EOF
4840 if compile_prog "" "" ; then
4841   fallocate=yes
4842 fi
4843
4844 # check for fallocate hole punching
4845 fallocate_punch_hole=no
4846 cat > $TMPC << EOF
4847 #include <fcntl.h>
4848 #include <linux/falloc.h>
4849
4850 int main(void)
4851 {
4852     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4853     return 0;
4854 }
4855 EOF
4856 if compile_prog "" "" ; then
4857   fallocate_punch_hole=yes
4858 fi
4859
4860 # check that fallocate supports range zeroing inside the file
4861 fallocate_zero_range=no
4862 cat > $TMPC << EOF
4863 #include <fcntl.h>
4864 #include <linux/falloc.h>
4865
4866 int main(void)
4867 {
4868     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4869     return 0;
4870 }
4871 EOF
4872 if compile_prog "" "" ; then
4873   fallocate_zero_range=yes
4874 fi
4875
4876 # check for posix_fallocate
4877 posix_fallocate=no
4878 cat > $TMPC << EOF
4879 #include <fcntl.h>
4880
4881 int main(void)
4882 {
4883     posix_fallocate(0, 0, 0);
4884     return 0;
4885 }
4886 EOF
4887 if compile_prog "" "" ; then
4888     posix_fallocate=yes
4889 fi
4890
4891 # check for sync_file_range
4892 sync_file_range=no
4893 cat > $TMPC << EOF
4894 #include <fcntl.h>
4895
4896 int main(void)
4897 {
4898     sync_file_range(0, 0, 0, 0);
4899     return 0;
4900 }
4901 EOF
4902 if compile_prog "" "" ; then
4903   sync_file_range=yes
4904 fi
4905
4906 # check for linux/fiemap.h and FS_IOC_FIEMAP
4907 fiemap=no
4908 cat > $TMPC << EOF
4909 #include <sys/ioctl.h>
4910 #include <linux/fs.h>
4911 #include <linux/fiemap.h>
4912
4913 int main(void)
4914 {
4915     ioctl(0, FS_IOC_FIEMAP, 0);
4916     return 0;
4917 }
4918 EOF
4919 if compile_prog "" "" ; then
4920   fiemap=yes
4921 fi
4922
4923 # check for dup3
4924 dup3=no
4925 cat > $TMPC << EOF
4926 #include <unistd.h>
4927
4928 int main(void)
4929 {
4930     dup3(0, 0, 0);
4931     return 0;
4932 }
4933 EOF
4934 if compile_prog "" "" ; then
4935   dup3=yes
4936 fi
4937
4938 # check for ppoll support
4939 ppoll=no
4940 cat > $TMPC << EOF
4941 #include <poll.h>
4942
4943 int main(void)
4944 {
4945     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4946     ppoll(&pfd, 1, 0, 0);
4947     return 0;
4948 }
4949 EOF
4950 if compile_prog "" "" ; then
4951   ppoll=yes
4952 fi
4953
4954 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4955 prctl_pr_set_timerslack=no
4956 cat > $TMPC << EOF
4957 #include <sys/prctl.h>
4958
4959 int main(void)
4960 {
4961     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4962     return 0;
4963 }
4964 EOF
4965 if compile_prog "" "" ; then
4966   prctl_pr_set_timerslack=yes
4967 fi
4968
4969 # check for epoll support
4970 epoll=no
4971 cat > $TMPC << EOF
4972 #include <sys/epoll.h>
4973
4974 int main(void)
4975 {
4976     epoll_create(0);
4977     return 0;
4978 }
4979 EOF
4980 if compile_prog "" "" ; then
4981   epoll=yes
4982 fi
4983
4984 # epoll_create1 is a later addition
4985 # so we must check separately for its presence
4986 epoll_create1=no
4987 cat > $TMPC << EOF
4988 #include <sys/epoll.h>
4989
4990 int main(void)
4991 {
4992     /* Note that we use epoll_create1 as a value, not as
4993      * a function being called. This is necessary so that on
4994      * old SPARC glibc versions where the function was present in
4995      * the library but not declared in the header file we will
4996      * fail the configure check. (Otherwise we will get a compiler
4997      * warning but not an error, and will proceed to fail the
4998      * qemu compile where we compile with -Werror.)
4999      */
5000     return (int)(uintptr_t)&epoll_create1;
5001 }
5002 EOF
5003 if compile_prog "" "" ; then
5004   epoll_create1=yes
5005 fi
5006
5007 # check for sendfile support
5008 sendfile=no
5009 cat > $TMPC << EOF
5010 #include <sys/sendfile.h>
5011
5012 int main(void)
5013 {
5014     return sendfile(0, 0, 0, 0);
5015 }
5016 EOF
5017 if compile_prog "" "" ; then
5018   sendfile=yes
5019 fi
5020
5021 # check for timerfd support (glibc 2.8 and newer)
5022 timerfd=no
5023 cat > $TMPC << EOF
5024 #include <sys/timerfd.h>
5025
5026 int main(void)
5027 {
5028     return(timerfd_create(CLOCK_REALTIME, 0));
5029 }
5030 EOF
5031 if compile_prog "" "" ; then
5032   timerfd=yes
5033 fi
5034
5035 # check for setns and unshare support
5036 setns=no
5037 cat > $TMPC << EOF
5038 #include <sched.h>
5039
5040 int main(void)
5041 {
5042     int ret;
5043     ret = setns(0, 0);
5044     ret = unshare(0);
5045     return ret;
5046 }
5047 EOF
5048 if compile_prog "" "" ; then
5049   setns=yes
5050 fi
5051
5052 # clock_adjtime probe
5053 clock_adjtime=no
5054 cat > $TMPC <<EOF
5055 #include <time.h>
5056
5057 int main(void)
5058 {
5059     return clock_adjtime(0, 0);
5060 }
5061 EOF
5062 clock_adjtime=no
5063 if compile_prog "" "" ; then
5064   clock_adjtime=yes
5065 fi
5066
5067 # syncfs probe
5068 syncfs=no
5069 cat > $TMPC <<EOF
5070 #include <unistd.h>
5071
5072 int main(void)
5073 {
5074     return syncfs(0);
5075 }
5076 EOF
5077 syncfs=no
5078 if compile_prog "" "" ; then
5079   syncfs=yes
5080 fi
5081
5082 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5083 kcov=no
5084 if check_include sys/kcov.h ; then
5085     kcov=yes
5086 fi
5087
5088 # If we're making warnings fatal, apply this to Sphinx runs as well
5089 sphinx_werror=""
5090 if test "$werror" = "yes"; then
5091     sphinx_werror="-W"
5092 fi
5093
5094 # Check we have a new enough version of sphinx-build
5095 has_sphinx_build() {
5096     # This is a bit awkward but works: create a trivial document and
5097     # try to run it with our configuration file (which enforces a
5098     # version requirement). This will fail if either
5099     # sphinx-build doesn't exist at all or if it is too old.
5100     mkdir -p "$TMPDIR1/sphinx"
5101     touch "$TMPDIR1/sphinx/index.rst"
5102     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5103                     -b html "$TMPDIR1/sphinx" \
5104                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5105 }
5106
5107 # Check if tools are available to build documentation.
5108 if test "$docs" != "no" ; then
5109   if has_sphinx_build; then
5110     sphinx_ok=yes
5111   else
5112     sphinx_ok=no
5113   fi
5114   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5115     docs=yes
5116   else
5117     if test "$docs" = "yes" ; then
5118       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5119         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5120       fi
5121       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5122     fi
5123     docs=no
5124   fi
5125 fi
5126
5127 # Search for bswap_32 function
5128 byteswap_h=no
5129 cat > $TMPC << EOF
5130 #include <byteswap.h>
5131 int main(void) { return bswap_32(0); }
5132 EOF
5133 if compile_prog "" "" ; then
5134   byteswap_h=yes
5135 fi
5136
5137 # Search for bswap32 function
5138 bswap_h=no
5139 cat > $TMPC << EOF
5140 #include <sys/endian.h>
5141 #include <sys/types.h>
5142 #include <machine/bswap.h>
5143 int main(void) { return bswap32(0); }
5144 EOF
5145 if compile_prog "" "" ; then
5146   bswap_h=yes
5147 fi
5148
5149 ##########################################
5150 # Do we have libiscsi >= 1.9.0
5151 if test "$libiscsi" != "no" ; then
5152   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5153     libiscsi="yes"
5154     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5155     libiscsi_libs=$($pkg_config --libs libiscsi)
5156   else
5157     if test "$libiscsi" = "yes" ; then
5158       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5159     fi
5160     libiscsi="no"
5161   fi
5162 fi
5163
5164 ##########################################
5165 # Do we need libm
5166 cat > $TMPC << EOF
5167 #include <math.h>
5168 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5169 EOF
5170 if compile_prog "" "" ; then
5171   :
5172 elif compile_prog "" "-lm" ; then
5173   LIBS="-lm $LIBS"
5174   libs_qga="-lm $libs_qga"
5175 else
5176   error_exit "libm check failed"
5177 fi
5178
5179 ##########################################
5180 # Do we need librt
5181 # uClibc provides 2 versions of clock_gettime(), one with realtime
5182 # support and one without. This means that the clock_gettime() don't
5183 # need -lrt. We still need it for timer_create() so we check for this
5184 # function in addition.
5185 cat > $TMPC <<EOF
5186 #include <signal.h>
5187 #include <time.h>
5188 int main(void) {
5189   timer_create(CLOCK_REALTIME, NULL, NULL);
5190   return clock_gettime(CLOCK_REALTIME, NULL);
5191 }
5192 EOF
5193
5194 if compile_prog "" "" ; then
5195   :
5196 # we need pthread for static linking. use previous pthread test result
5197 elif compile_prog "" "$pthread_lib -lrt" ; then
5198   LIBS="$LIBS -lrt"
5199   libs_qga="$libs_qga -lrt"
5200 fi
5201
5202 # Check whether we need to link libutil for openpty()
5203 cat > $TMPC << EOF
5204 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5205 int main(void) { return openpty(0, 0, 0, 0, 0); }
5206 EOF
5207
5208 have_openpty="no"
5209 if compile_prog "" "" ; then
5210   have_openpty="yes"
5211 else
5212   if compile_prog "" "-lutil" ; then
5213     libs_softmmu="-lutil $libs_softmmu"
5214     libs_tools="-lutil $libs_tools"
5215     have_openpty="yes"
5216   fi
5217 fi
5218
5219 ##########################################
5220 # spice probe
5221 if test "$spice" != "no" ; then
5222   cat > $TMPC << EOF
5223 #include <spice.h>
5224 int main(void) { spice_server_new(); return 0; }
5225 EOF
5226   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5227   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5228   if $pkg_config --atleast-version=0.12.5 spice-server && \
5229      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5230      compile_prog "$spice_cflags" "$spice_libs" ; then
5231     spice="yes"
5232     libs_softmmu="$libs_softmmu $spice_libs"
5233     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5234     spice_protocol_version=$($pkg_config --modversion spice-protocol)
5235     spice_server_version=$($pkg_config --modversion spice-server)
5236   else
5237     if test "$spice" = "yes" ; then
5238       feature_not_found "spice" \
5239           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5240     fi
5241     spice="no"
5242   fi
5243 fi
5244
5245 # check for smartcard support
5246 if test "$smartcard" != "no"; then
5247     if $pkg_config --atleast-version=2.5.1 libcacard; then
5248         libcacard_cflags=$($pkg_config --cflags libcacard)
5249         libcacard_libs=$($pkg_config --libs libcacard)
5250         smartcard="yes"
5251     else
5252         if test "$smartcard" = "yes"; then
5253             feature_not_found "smartcard" "Install libcacard devel"
5254         fi
5255         smartcard="no"
5256     fi
5257 fi
5258
5259 # check for libusb
5260 if test "$libusb" != "no" ; then
5261     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5262         libusb="yes"
5263         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5264         libusb_libs=$($pkg_config --libs libusb-1.0)
5265     else
5266         if test "$libusb" = "yes"; then
5267             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5268         fi
5269         libusb="no"
5270     fi
5271 fi
5272
5273 # check for usbredirparser for usb network redirection support
5274 if test "$usb_redir" != "no" ; then
5275     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5276         usb_redir="yes"
5277         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5278         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5279     else
5280         if test "$usb_redir" = "yes"; then
5281             feature_not_found "usb-redir" "Install usbredir devel"
5282         fi
5283         usb_redir="no"
5284     fi
5285 fi
5286
5287 ##########################################
5288 # check if we have VSS SDK headers for win
5289
5290 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5291         test "$vss_win32_sdk" != "no" ; then
5292   case "$vss_win32_sdk" in
5293     "")   vss_win32_include="-isystem $source_path" ;;
5294     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5295           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5296           vss_win32_include="-isystem $source_path/.sdk/vss"
5297           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5298           ;;
5299     *)    vss_win32_include="-isystem $vss_win32_sdk"
5300   esac
5301   cat > $TMPC << EOF
5302 #define __MIDL_user_allocate_free_DEFINED__
5303 #include <inc/win2003/vss.h>
5304 int main(void) { return VSS_CTX_BACKUP; }
5305 EOF
5306   if compile_prog "$vss_win32_include" "" ; then
5307     guest_agent_with_vss="yes"
5308     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5309     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5310     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5311   else
5312     if test "$vss_win32_sdk" != "" ; then
5313       echo "ERROR: Please download and install Microsoft VSS SDK:"
5314       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5315       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5316       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5317       echo "ERROR: The headers are extracted in the directory \`inc'."
5318       feature_not_found "VSS support"
5319     fi
5320     guest_agent_with_vss="no"
5321   fi
5322 fi
5323
5324 ##########################################
5325 # lookup Windows platform SDK (if not specified)
5326 # The SDK is needed only to build .tlb (type library) file of guest agent
5327 # VSS provider from the source. It is usually unnecessary because the
5328 # pre-compiled .tlb file is included.
5329
5330 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5331         test "$guest_agent_with_vss" = "yes" ; then
5332   if test -z "$win_sdk"; then
5333     programfiles="$PROGRAMFILES"
5334     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5335     if test -n "$programfiles"; then
5336       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5337     else
5338       feature_not_found "Windows SDK"
5339     fi
5340   elif test "$win_sdk" = "no"; then
5341     win_sdk=""
5342   fi
5343 fi
5344
5345 ##########################################
5346 # check if mingw environment provides a recent ntddscsi.h
5347 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5348   cat > $TMPC << EOF
5349 #include <windows.h>
5350 #include <ntddscsi.h>
5351 int main(void) {
5352 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5353 #error Missing required ioctl definitions
5354 #endif
5355   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5356   return addr.Lun;
5357 }
5358 EOF
5359   if compile_prog "" "" ; then
5360     guest_agent_ntddscsi=yes
5361     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5362   fi
5363 fi
5364
5365 ##########################################
5366 # virgl renderer probe
5367
5368 if test "$virglrenderer" != "no" ; then
5369   cat > $TMPC << EOF
5370 #include <virglrenderer.h>
5371 int main(void) { virgl_renderer_poll(); return 0; }
5372 EOF
5373   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5374   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5375   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5376   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5377      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5378     virglrenderer="yes"
5379   else
5380     if test "$virglrenderer" = "yes" ; then
5381       feature_not_found "virglrenderer"
5382     fi
5383     virglrenderer="no"
5384   fi
5385 fi
5386
5387 ##########################################
5388 # capstone
5389
5390 case "$capstone" in
5391   "" | yes)
5392     if $pkg_config capstone; then
5393       capstone=system
5394     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5395       capstone=git
5396     elif test -e "${source_path}/capstone/Makefile" ; then
5397       capstone=internal
5398     elif test -z "$capstone" ; then
5399       capstone=no
5400     else
5401       feature_not_found "capstone" "Install capstone devel or git submodule"
5402     fi
5403     ;;
5404
5405   system)
5406     if ! $pkg_config capstone; then
5407       feature_not_found "capstone" "Install capstone devel"
5408     fi
5409     ;;
5410 esac
5411
5412 case "$capstone" in
5413   git | internal)
5414     if test "$capstone" = git; then
5415       git_submodules="${git_submodules} capstone"
5416     fi
5417     mkdir -p capstone
5418     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5419     if test "$mingw32" = "yes"; then
5420       LIBCAPSTONE=capstone.lib
5421     else
5422       LIBCAPSTONE=libcapstone.a
5423     fi
5424     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5425     ;;
5426
5427   system)
5428     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5429     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5430     ;;
5431
5432   no)
5433     ;;
5434   *)
5435     error_exit "Unknown state for capstone: $capstone"
5436     ;;
5437 esac
5438
5439 ##########################################
5440 # check if we have fdatasync
5441
5442 fdatasync=no
5443 cat > $TMPC << EOF
5444 #include <unistd.h>
5445 int main(void) {
5446 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5447 return fdatasync(0);
5448 #else
5449 #error Not supported
5450 #endif
5451 }
5452 EOF
5453 if compile_prog "" "" ; then
5454     fdatasync=yes
5455 fi
5456
5457 ##########################################
5458 # check if we have madvise
5459
5460 madvise=no
5461 cat > $TMPC << EOF
5462 #include <sys/types.h>
5463 #include <sys/mman.h>
5464 #include <stddef.h>
5465 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5466 EOF
5467 if compile_prog "" "" ; then
5468     madvise=yes
5469 fi
5470
5471 ##########################################
5472 # check if we have posix_madvise
5473
5474 posix_madvise=no
5475 cat > $TMPC << EOF
5476 #include <sys/mman.h>
5477 #include <stddef.h>
5478 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5479 EOF
5480 if compile_prog "" "" ; then
5481     posix_madvise=yes
5482 fi
5483
5484 ##########################################
5485 # check if we have posix_memalign()
5486
5487 posix_memalign=no
5488 cat > $TMPC << EOF
5489 #include <stdlib.h>
5490 int main(void) {
5491     void *p;
5492     return posix_memalign(&p, 8, 8);
5493 }
5494 EOF
5495 if compile_prog "" "" ; then
5496     posix_memalign=yes
5497 fi
5498
5499 ##########################################
5500 # check if we have posix_syslog
5501
5502 posix_syslog=no
5503 cat > $TMPC << EOF
5504 #include <syslog.h>
5505 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5506 EOF
5507 if compile_prog "" "" ; then
5508     posix_syslog=yes
5509 fi
5510
5511 ##########################################
5512 # check if we have sem_timedwait
5513
5514 sem_timedwait=no
5515 cat > $TMPC << EOF
5516 #include <semaphore.h>
5517 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5518 EOF
5519 if compile_prog "" "" ; then
5520     sem_timedwait=yes
5521 fi
5522
5523 ##########################################
5524 # check if we have strchrnul
5525
5526 strchrnul=no
5527 cat > $TMPC << EOF
5528 #include <string.h>
5529 int main(void);
5530 // Use a haystack that the compiler shouldn't be able to constant fold
5531 char *haystack = (char*)&main;
5532 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5533 EOF
5534 if compile_prog "" "" ; then
5535     strchrnul=yes
5536 fi
5537
5538 #########################################
5539 # check if we have st_atim
5540
5541 st_atim=no
5542 cat > $TMPC << EOF
5543 #include <sys/stat.h>
5544 #include <stddef.h>
5545 int main(void) { return offsetof(struct stat, st_atim); }
5546 EOF
5547 if compile_prog "" "" ; then
5548     st_atim=yes
5549 fi
5550
5551 ##########################################
5552 # check if trace backend exists
5553
5554 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5555 if test "$?" -ne 0 ; then
5556   error_exit "invalid trace backends" \
5557       "Please choose supported trace backends."
5558 fi
5559
5560 ##########################################
5561 # For 'ust' backend, test if ust headers are present
5562 if have_backend "ust"; then
5563   cat > $TMPC << EOF
5564 #include <lttng/tracepoint.h>
5565 int main(void) { return 0; }
5566 EOF
5567   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5568     if $pkg_config lttng-ust --exists; then
5569       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5570     else
5571       lttng_ust_libs="-llttng-ust -ldl"
5572     fi
5573     if $pkg_config liburcu-bp --exists; then
5574       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5575     else
5576       urcu_bp_libs="-lurcu-bp"
5577     fi
5578
5579     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5580     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5581   else
5582     error_exit "Trace backend 'ust' missing lttng-ust header files"
5583   fi
5584 fi
5585
5586 ##########################################
5587 # For 'dtrace' backend, test if 'dtrace' command is present
5588 if have_backend "dtrace"; then
5589   if ! has 'dtrace' ; then
5590     error_exit "dtrace command is not found in PATH $PATH"
5591   fi
5592   trace_backend_stap="no"
5593   if has 'stap' ; then
5594     trace_backend_stap="yes"
5595   fi
5596 fi
5597
5598 ##########################################
5599 # check and set a backend for coroutine
5600
5601 # We prefer ucontext, but it's not always possible. The fallback
5602 # is sigcontext. On Windows the only valid backend is the Windows
5603 # specific one.
5604
5605 ucontext_works=no
5606 if test "$darwin" != "yes"; then
5607   cat > $TMPC << EOF
5608 #include <ucontext.h>
5609 #ifdef __stub_makecontext
5610 #error Ignoring glibc stub makecontext which will always fail
5611 #endif
5612 int main(void) { makecontext(0, 0, 0); return 0; }
5613 EOF
5614   if compile_prog "" "" ; then
5615     ucontext_works=yes
5616   fi
5617 fi
5618
5619 if test "$coroutine" = ""; then
5620   if test "$mingw32" = "yes"; then
5621     coroutine=win32
5622   elif test "$ucontext_works" = "yes"; then
5623     coroutine=ucontext
5624   else
5625     coroutine=sigaltstack
5626   fi
5627 else
5628   case $coroutine in
5629   windows)
5630     if test "$mingw32" != "yes"; then
5631       error_exit "'windows' coroutine backend only valid for Windows"
5632     fi
5633     # Unfortunately the user visible backend name doesn't match the
5634     # coroutine-*.c filename for this case, so we have to adjust it here.
5635     coroutine=win32
5636     ;;
5637   ucontext)
5638     if test "$ucontext_works" != "yes"; then
5639       feature_not_found "ucontext"
5640     fi
5641     ;;
5642   sigaltstack)
5643     if test "$mingw32" = "yes"; then
5644       error_exit "only the 'windows' coroutine backend is valid for Windows"
5645     fi
5646     ;;
5647   *)
5648     error_exit "unknown coroutine backend $coroutine"
5649     ;;
5650   esac
5651 fi
5652
5653 if test "$coroutine_pool" = ""; then
5654   coroutine_pool=yes
5655 fi
5656
5657 if test "$debug_stack_usage" = "yes"; then
5658   if test "$coroutine_pool" = "yes"; then
5659     echo "WARN: disabling coroutine pool for stack usage debugging"
5660     coroutine_pool=no
5661   fi
5662 fi
5663
5664 ##################################################
5665 # SafeStack
5666
5667
5668 if test "$safe_stack" = "yes"; then
5669 cat > $TMPC << EOF
5670 int main(int argc, char *argv[])
5671 {
5672 #if ! __has_feature(safe_stack)
5673 #error SafeStack Disabled
5674 #endif
5675     return 0;
5676 }
5677 EOF
5678   flag="-fsanitize=safe-stack"
5679   # Check that safe-stack is supported and enabled.
5680   if compile_prog "-Werror $flag" "$flag"; then
5681     # Flag needed both at compilation and at linking
5682     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5683     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5684   else
5685     error_exit "SafeStack not supported by your compiler"
5686   fi
5687   if test "$coroutine" != "ucontext"; then
5688     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5689   fi
5690 else
5691 cat > $TMPC << EOF
5692 int main(int argc, char *argv[])
5693 {
5694 #if defined(__has_feature)
5695 #if __has_feature(safe_stack)
5696 #error SafeStack Enabled
5697 #endif
5698 #endif
5699     return 0;
5700 }
5701 EOF
5702 if test "$safe_stack" = "no"; then
5703   # Make sure that safe-stack is disabled
5704   if ! compile_prog "-Werror" ""; then
5705     # SafeStack was already enabled, try to explicitly remove the feature
5706     flag="-fno-sanitize=safe-stack"
5707     if ! compile_prog "-Werror $flag" "$flag"; then
5708       error_exit "Configure cannot disable SafeStack"
5709     fi
5710     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5711     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5712   fi
5713 else # "$safe_stack" = ""
5714   # Set safe_stack to yes or no based on pre-existing flags
5715   if compile_prog "-Werror" ""; then
5716     safe_stack="no"
5717   else
5718     safe_stack="yes"
5719     if test "$coroutine" != "ucontext"; then
5720       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5721     fi
5722   fi
5723 fi
5724 fi
5725
5726 ##########################################
5727 # check if we have open_by_handle_at
5728
5729 open_by_handle_at=no
5730 cat > $TMPC << EOF
5731 #include <fcntl.h>
5732 #if !defined(AT_EMPTY_PATH)
5733 # error missing definition
5734 #else
5735 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5736 #endif
5737 EOF
5738 if compile_prog "" "" ; then
5739     open_by_handle_at=yes
5740 fi
5741
5742 ########################################
5743 # check if we have linux/magic.h
5744
5745 linux_magic_h=no
5746 cat > $TMPC << EOF
5747 #include <linux/magic.h>
5748 int main(void) {
5749   return 0;
5750 }
5751 EOF
5752 if compile_prog "" "" ; then
5753     linux_magic_h=yes
5754 fi
5755
5756 ########################################
5757 # check if we have valgrind/valgrind.h
5758
5759 valgrind_h=no
5760 cat > $TMPC << EOF
5761 #include <valgrind/valgrind.h>
5762 int main(void) {
5763   return 0;
5764 }
5765 EOF
5766 if compile_prog "" "" ; then
5767     valgrind_h=yes
5768 fi
5769
5770 ########################################
5771 # check if environ is declared
5772
5773 has_environ=no
5774 cat > $TMPC << EOF
5775 #include <unistd.h>
5776 int main(void) {
5777     environ = 0;
5778     return 0;
5779 }
5780 EOF
5781 if compile_prog "" "" ; then
5782     has_environ=yes
5783 fi
5784
5785 ########################################
5786 # check if cpuid.h is usable.
5787
5788 cat > $TMPC << EOF
5789 #include <cpuid.h>
5790 int main(void) {
5791     unsigned a, b, c, d;
5792     int max = __get_cpuid_max(0, 0);
5793
5794     if (max >= 1) {
5795         __cpuid(1, a, b, c, d);
5796     }
5797
5798     if (max >= 7) {
5799         __cpuid_count(7, 0, a, b, c, d);
5800     }
5801
5802     return 0;
5803 }
5804 EOF
5805 if compile_prog "" "" ; then
5806     cpuid_h=yes
5807 fi
5808
5809 ##########################################
5810 # avx2 optimization requirement check
5811 #
5812 # There is no point enabling this if cpuid.h is not usable,
5813 # since we won't be able to select the new routines.
5814
5815 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5816   cat > $TMPC << EOF
5817 #pragma GCC push_options
5818 #pragma GCC target("avx2")
5819 #include <cpuid.h>
5820 #include <immintrin.h>
5821 static int bar(void *a) {
5822     __m256i x = *(__m256i *)a;
5823     return _mm256_testz_si256(x, x);
5824 }
5825 int main(int argc, char *argv[]) { return bar(argv[0]); }
5826 EOF
5827   if compile_object "" ; then
5828     avx2_opt="yes"
5829   else
5830     avx2_opt="no"
5831   fi
5832 fi
5833
5834 ##########################################
5835 # avx512f optimization requirement check
5836 #
5837 # There is no point enabling this if cpuid.h is not usable,
5838 # since we won't be able to select the new routines.
5839 # by default, it is turned off.
5840 # if user explicitly want to enable it, check environment
5841
5842 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5843   cat > $TMPC << EOF
5844 #pragma GCC push_options
5845 #pragma GCC target("avx512f")
5846 #include <cpuid.h>
5847 #include <immintrin.h>
5848 static int bar(void *a) {
5849     __m512i x = *(__m512i *)a;
5850     return _mm512_test_epi64_mask(x, x);
5851 }
5852 int main(int argc, char *argv[])
5853 {
5854         return bar(argv[0]);
5855 }
5856 EOF
5857   if ! compile_object "" ; then
5858     avx512f_opt="no"
5859   fi
5860 else
5861   avx512f_opt="no"
5862 fi
5863
5864 ########################################
5865 # check if __[u]int128_t is usable.
5866
5867 int128=no
5868 cat > $TMPC << EOF
5869 __int128_t a;
5870 __uint128_t b;
5871 int main (void) {
5872   a = a + b;
5873   b = a * b;
5874   a = a * a;
5875   return 0;
5876 }
5877 EOF
5878 if compile_prog "" "" ; then
5879     int128=yes
5880 fi
5881
5882 #########################################
5883 # See if 128-bit atomic operations are supported.
5884
5885 atomic128=no
5886 if test "$int128" = "yes"; then
5887   cat > $TMPC << EOF
5888 int main(void)
5889 {
5890   unsigned __int128 x = 0, y = 0;
5891   y = __atomic_load_16(&x, 0);
5892   __atomic_store_16(&x, y, 0);
5893   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5894   return 0;
5895 }
5896 EOF
5897   if compile_prog "" "" ; then
5898     atomic128=yes
5899   fi
5900 fi
5901
5902 cmpxchg128=no
5903 if test "$int128" = yes && test "$atomic128" = no; then
5904   cat > $TMPC << EOF
5905 int main(void)
5906 {
5907   unsigned __int128 x = 0, y = 0;
5908   __sync_val_compare_and_swap_16(&x, y, x);
5909   return 0;
5910 }
5911 EOF
5912   if compile_prog "" "" ; then
5913     cmpxchg128=yes
5914   fi
5915 fi
5916
5917 #########################################
5918 # See if 64-bit atomic operations are supported.
5919 # Note that without __atomic builtins, we can only
5920 # assume atomic loads/stores max at pointer size.
5921
5922 cat > $TMPC << EOF
5923 #include <stdint.h>
5924 int main(void)
5925 {
5926   uint64_t x = 0, y = 0;
5927 #ifdef __ATOMIC_RELAXED
5928   y = __atomic_load_8(&x, 0);
5929   __atomic_store_8(&x, y, 0);
5930   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5931   __atomic_exchange_8(&x, y, 0);
5932   __atomic_fetch_add_8(&x, y, 0);
5933 #else
5934   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5935   __sync_lock_test_and_set(&x, y);
5936   __sync_val_compare_and_swap(&x, y, 0);
5937   __sync_fetch_and_add(&x, y);
5938 #endif
5939   return 0;
5940 }
5941 EOF
5942 if compile_prog "" "" ; then
5943   atomic64=yes
5944 fi
5945
5946 #########################################
5947 # See if --dynamic-list is supported by the linker
5948 ld_dynamic_list="no"
5949 if test "$static" = "no" ; then
5950     cat > $TMPTXT <<EOF
5951 {
5952   foo;
5953 };
5954 EOF
5955
5956     cat > $TMPC <<EOF
5957 #include <stdio.h>
5958 void foo(void);
5959
5960 void foo(void)
5961 {
5962   printf("foo\n");
5963 }
5964
5965 int main(void)
5966 {
5967   foo();
5968   return 0;
5969 }
5970 EOF
5971
5972     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5973         ld_dynamic_list="yes"
5974     fi
5975 fi
5976
5977 #########################################
5978 # See if -exported_symbols_list is supported by the linker
5979
5980 ld_exported_symbols_list="no"
5981 if test "$static" = "no" ; then
5982     cat > $TMPTXT <<EOF
5983   _foo
5984 EOF
5985
5986     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5987         ld_exported_symbols_list="yes"
5988     fi
5989 fi
5990
5991 if  test "$plugins" = "yes" &&
5992     test "$ld_dynamic_list" = "no" &&
5993     test "$ld_exported_symbols_list" = "no" ; then
5994   error_exit \
5995       "Plugin support requires dynamic linking and specifying a set of symbols " \
5996       "that are exported to plugins. Unfortunately your linker doesn't " \
5997       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5998       "for this purpose. You can't build with --static."
5999 fi
6000
6001 ########################################
6002 # See if __attribute__((alias)) is supported.
6003 # This false for Xcode 9, but has been remedied for Xcode 10.
6004 # Unfortunately, travis uses Xcode 9 by default.
6005
6006 attralias=no
6007 cat > $TMPC << EOF
6008 int x = 1;
6009 extern const int y __attribute__((alias("x")));
6010 int main(void) { return 0; }
6011 EOF
6012 if compile_prog "" "" ; then
6013     attralias=yes
6014 fi
6015
6016 ########################################
6017 # check if getauxval is available.
6018
6019 getauxval=no
6020 cat > $TMPC << EOF
6021 #include <sys/auxv.h>
6022 int main(void) {
6023   return getauxval(AT_HWCAP) == 0;
6024 }
6025 EOF
6026 if compile_prog "" "" ; then
6027     getauxval=yes
6028 fi
6029
6030 ########################################
6031 # check if ccache is interfering with
6032 # semantic analysis of macros
6033
6034 unset CCACHE_CPP2
6035 ccache_cpp2=no
6036 cat > $TMPC << EOF
6037 static const int Z = 1;
6038 #define fn() ({ Z; })
6039 #define TAUT(X) ((X) == Z)
6040 #define PAREN(X, Y) (X == Y)
6041 #define ID(X) (X)
6042 int main(int argc, char *argv[])
6043 {
6044     int x = 0, y = 0;
6045     x = ID(x);
6046     x = fn();
6047     fn();
6048     if (PAREN(x, y)) return 0;
6049     if (TAUT(Z)) return 0;
6050     return 0;
6051 }
6052 EOF
6053
6054 if ! compile_object "-Werror"; then
6055     ccache_cpp2=yes
6056 fi
6057
6058 #################################################
6059 # clang does not support glibc + FORTIFY_SOURCE.
6060
6061 if test "$fortify_source" != "no"; then
6062   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6063     fortify_source="no";
6064   elif test -n "$cxx" && has $cxx &&
6065        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6066     fortify_source="no";
6067   else
6068     fortify_source="yes"
6069   fi
6070 fi
6071
6072 ###############################################
6073 # Check if copy_file_range is provided by glibc
6074 have_copy_file_range=no
6075 cat > $TMPC << EOF
6076 #include <unistd.h>
6077 int main(void) {
6078   copy_file_range(0, NULL, 0, NULL, 0, 0);
6079   return 0;
6080 }
6081 EOF
6082 if compile_prog "" "" ; then
6083     have_copy_file_range=yes
6084 fi
6085
6086 ##########################################
6087 # check if struct fsxattr is available via linux/fs.h
6088
6089 have_fsxattr=no
6090 cat > $TMPC << EOF
6091 #include <linux/fs.h>
6092 struct fsxattr foo;
6093 int main(void) {
6094   return 0;
6095 }
6096 EOF
6097 if compile_prog "" "" ; then
6098     have_fsxattr=yes
6099 fi
6100
6101 ##########################################
6102 # check for usable membarrier system call
6103 if test "$membarrier" = "yes"; then
6104     have_membarrier=no
6105     if test "$mingw32" = "yes" ; then
6106         have_membarrier=yes
6107     elif test "$linux" = "yes" ; then
6108         cat > $TMPC << EOF
6109     #include <linux/membarrier.h>
6110     #include <sys/syscall.h>
6111     #include <unistd.h>
6112     #include <stdlib.h>
6113     int main(void) {
6114         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6115         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6116         exit(0);
6117     }
6118 EOF
6119         if compile_prog "" "" ; then
6120             have_membarrier=yes
6121         fi
6122     fi
6123     if test "$have_membarrier" = "no"; then
6124       feature_not_found "membarrier" "membarrier system call not available"
6125     fi
6126 else
6127     # Do not enable it by default even for Mingw32, because it doesn't
6128     # work on Wine.
6129     membarrier=no
6130 fi
6131
6132 ##########################################
6133 # check if rtnetlink.h exists and is useful
6134 have_rtnetlink=no
6135 cat > $TMPC << EOF
6136 #include <linux/rtnetlink.h>
6137 int main(void) {
6138   return IFLA_PROTO_DOWN;
6139 }
6140 EOF
6141 if compile_prog "" "" ; then
6142     have_rtnetlink=yes
6143 fi
6144
6145 ##########################################
6146 # check for usable AF_VSOCK environment
6147 have_af_vsock=no
6148 cat > $TMPC << EOF
6149 #include <errno.h>
6150 #include <sys/types.h>
6151 #include <sys/socket.h>
6152 #if !defined(AF_VSOCK)
6153 # error missing AF_VSOCK flag
6154 #endif
6155 #include <linux/vm_sockets.h>
6156 int main(void) {
6157     int sock, ret;
6158     struct sockaddr_vm svm;
6159     socklen_t len = sizeof(svm);
6160     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6161     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6162     if ((ret == -1) && (errno == ENOTCONN)) {
6163         return 0;
6164     }
6165     return -1;
6166 }
6167 EOF
6168 if compile_prog "" "" ; then
6169     have_af_vsock=yes
6170 fi
6171
6172 ##########################################
6173 # check for usable AF_ALG environment
6174 have_afalg=no
6175 cat > $TMPC << EOF
6176 #include <errno.h>
6177 #include <sys/types.h>
6178 #include <sys/socket.h>
6179 #include <linux/if_alg.h>
6180 int main(void) {
6181     int sock;
6182     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6183     return sock;
6184 }
6185 EOF
6186 if compile_prog "" "" ; then
6187     have_afalg=yes
6188 fi
6189 if test "$crypto_afalg" = "yes"
6190 then
6191     if test "$have_afalg" != "yes"
6192     then
6193         error_exit "AF_ALG requested but could not be detected"
6194     fi
6195 fi
6196
6197
6198 #################################################
6199 # Check to see if we have the Hypervisor framework
6200 if [ "$darwin" = "yes" ] ; then
6201   cat > $TMPC << EOF
6202 #include <Hypervisor/hv.h>
6203 int main() { return 0;}
6204 EOF
6205   if ! compile_object ""; then
6206     hvf='no'
6207   else
6208     hvf='yes'
6209     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6210   fi
6211 fi
6212
6213 #################################################
6214 # Sparc implicitly links with --relax, which is
6215 # incompatible with -r, so --no-relax should be
6216 # given. It does no harm to give it on other
6217 # platforms too.
6218
6219 # Note: the prototype is needed since QEMU_CFLAGS
6220 #       contains -Wmissing-prototypes
6221 cat > $TMPC << EOF
6222 extern int foo(void);
6223 int foo(void) { return 0; }
6224 EOF
6225 if ! compile_object ""; then
6226   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6227 fi
6228 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6229   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6230     LD_REL_FLAGS=$i
6231     break
6232   fi
6233 done
6234 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6235   feature_not_found "modules" "Cannot find how to build relocatable objects"
6236 fi
6237
6238 ##########################################
6239 # check for sysmacros.h
6240
6241 have_sysmacros=no
6242 cat > $TMPC << EOF
6243 #include <sys/sysmacros.h>
6244 int main(void) {
6245     return makedev(0, 0);
6246 }
6247 EOF
6248 if compile_prog "" "" ; then
6249     have_sysmacros=yes
6250 fi
6251
6252 ##########################################
6253 # Veritas HyperScale block driver VxHS
6254 # Check if libvxhs is installed
6255
6256 if test "$vxhs" != "no" ; then
6257   cat > $TMPC <<EOF
6258 #include <stdint.h>
6259 #include <qnio/qnio_api.h>
6260
6261 void *vxhs_callback;
6262
6263 int main(void) {
6264     iio_init(QNIO_VERSION, vxhs_callback);
6265     return 0;
6266 }
6267 EOF
6268   vxhs_libs="-lvxhs -lssl"
6269   if compile_prog "" "$vxhs_libs" ; then
6270     vxhs=yes
6271   else
6272     if test "$vxhs" = "yes" ; then
6273       feature_not_found "vxhs block device" "Install libvxhs See github"
6274     fi
6275     vxhs=no
6276   fi
6277 fi
6278
6279 ##########################################
6280 # check for _Static_assert()
6281
6282 have_static_assert=no
6283 cat > $TMPC << EOF
6284 _Static_assert(1, "success");
6285 int main(void) {
6286     return 0;
6287 }
6288 EOF
6289 if compile_prog "" "" ; then
6290     have_static_assert=yes
6291 fi
6292
6293 ##########################################
6294 # check for utmpx.h, it is missing e.g. on OpenBSD
6295
6296 have_utmpx=no
6297 cat > $TMPC << EOF
6298 #include <utmpx.h>
6299 struct utmpx user_info;
6300 int main(void) {
6301     return 0;
6302 }
6303 EOF
6304 if compile_prog "" "" ; then
6305     have_utmpx=yes
6306 fi
6307
6308 ##########################################
6309 # check for getrandom()
6310
6311 have_getrandom=no
6312 cat > $TMPC << EOF
6313 #include <sys/random.h>
6314 int main(void) {
6315     return getrandom(0, 0, GRND_NONBLOCK);
6316 }
6317 EOF
6318 if compile_prog "" "" ; then
6319     have_getrandom=yes
6320 fi
6321
6322 ##########################################
6323 # checks for sanitizers
6324
6325 have_asan=no
6326 have_ubsan=no
6327 have_asan_iface_h=no
6328 have_asan_iface_fiber=no
6329
6330 if test "$sanitizers" = "yes" ; then
6331   write_c_skeleton
6332   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6333       have_asan=yes
6334   fi
6335
6336   # we could use a simple skeleton for flags checks, but this also
6337   # detect the static linking issue of ubsan, see also:
6338   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6339   cat > $TMPC << EOF
6340 #include <stdlib.h>
6341 int main(void) {
6342     void *tmp = malloc(10);
6343     if (tmp != NULL) {
6344         return *(int *)(tmp + 2);
6345     }
6346     return 1;
6347 }
6348 EOF
6349   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6350       have_ubsan=yes
6351   fi
6352
6353   if check_include "sanitizer/asan_interface.h" ; then
6354       have_asan_iface_h=yes
6355   fi
6356
6357   cat > $TMPC << EOF
6358 #include <sanitizer/asan_interface.h>
6359 int main(void) {
6360   __sanitizer_start_switch_fiber(0, 0, 0);
6361   return 0;
6362 }
6363 EOF
6364   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6365       have_asan_iface_fiber=yes
6366   fi
6367 fi
6368
6369 ##########################################
6370 # checks for fuzzer
6371 if test "$fuzzing" = "yes" ; then
6372   write_c_fuzzer_skeleton
6373   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
6374       have_fuzzer=yes
6375   fi
6376 fi
6377
6378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6379 # keep it separate until that is not the case.
6380 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6381   error_exit "TSAN is not supported with other sanitiziers."
6382 fi
6383 have_tsan=no
6384 have_tsan_iface_fiber=no
6385 if test "$tsan" = "yes" ; then
6386   write_c_skeleton
6387   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6388       have_tsan=yes
6389   fi
6390   cat > $TMPC << EOF
6391 #include <sanitizer/tsan_interface.h>
6392 int main(void) {
6393   __tsan_create_fiber(0);
6394   return 0;
6395 }
6396 EOF
6397   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6398       have_tsan_iface_fiber=yes
6399   fi
6400 fi
6401
6402 ##########################################
6403 # check for libpmem
6404
6405 if test "$libpmem" != "no"; then
6406         if $pkg_config --exists "libpmem"; then
6407                 libpmem="yes"
6408                 libpmem_libs=$($pkg_config --libs libpmem)
6409                 libpmem_cflags=$($pkg_config --cflags libpmem)
6410                 libs_softmmu="$libs_softmmu $libpmem_libs"
6411                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6412         else
6413                 if test "$libpmem" = "yes" ; then
6414                         feature_not_found "libpmem" "Install nvml or pmdk"
6415                 fi
6416                 libpmem="no"
6417         fi
6418 fi
6419
6420 ##########################################
6421 # check for libdaxctl
6422
6423 if test "$libdaxctl" != "no"; then
6424         if $pkg_config --atleast-version=57 "libdaxctl"; then
6425                 libdaxctl="yes"
6426                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6427                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6428                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6429                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6430         else
6431                 if test "$libdaxctl" = "yes" ; then
6432                         feature_not_found "libdaxctl" "Install libdaxctl"
6433                 fi
6434                 libdaxctl="no"
6435         fi
6436 fi
6437
6438 ##########################################
6439 # check for slirp
6440
6441 # slirp is only required when building softmmu targets
6442 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6443     slirp="no"
6444 fi
6445
6446 case "$slirp" in
6447   "" | yes)
6448     if $pkg_config slirp; then
6449       slirp=system
6450     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6451       slirp=git
6452     elif test -e "${source_path}/slirp/Makefile" ; then
6453       slirp=internal
6454     elif test -z "$slirp" ; then
6455       slirp=no
6456     else
6457       feature_not_found "slirp" "Install slirp devel or git submodule"
6458     fi
6459     ;;
6460
6461   system)
6462     if ! $pkg_config slirp; then
6463       feature_not_found "slirp" "Install slirp devel"
6464     fi
6465     ;;
6466 esac
6467
6468 case "$slirp" in
6469   git | internal)
6470     if test "$slirp" = git; then
6471       git_submodules="${git_submodules} slirp"
6472     fi
6473     mkdir -p slirp
6474     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6475     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6476     if test "$mingw32" = "yes" ; then
6477       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6478     fi
6479     ;;
6480
6481   system)
6482     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6483     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6484     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6485     ;;
6486
6487   no)
6488     ;;
6489   *)
6490     error_exit "Unknown state for slirp: $slirp"
6491     ;;
6492 esac
6493
6494 ##########################################
6495 # check for usable __NR_keyctl syscall
6496
6497 if test "$linux" = "yes" ; then
6498
6499     have_keyring=no
6500     cat > $TMPC << EOF
6501 #include <errno.h>
6502 #include <asm/unistd.h>
6503 #include <linux/keyctl.h>
6504 #include <unistd.h>
6505 int main(void) {
6506     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6507 }
6508 EOF
6509     if compile_prog "" "" ; then
6510         have_keyring=yes
6511     fi
6512 fi
6513 if test "$secret_keyring" != "no"
6514 then
6515     if test "$have_keyring" = "yes"
6516     then
6517         secret_keyring=yes
6518     else
6519         if test "$secret_keyring" = "yes"
6520         then
6521             error_exit "syscall __NR_keyctl requested, \
6522 but not implemented on your system"
6523         else
6524             secret_keyring=no
6525         fi
6526     fi
6527 fi
6528
6529 ##########################################
6530 # check for usable keyutils.h
6531
6532 if test "$linux" = "yes" ; then
6533
6534     have_keyutils=no
6535     cat > $TMPC << EOF
6536 #include <errno.h>
6537 #include <asm/unistd.h>
6538 #include <unistd.h>
6539 #include <sys/types.h>
6540 #include <keyutils.h>
6541 int main(void) {
6542     return request_key("user", NULL, NULL, 0);
6543 }
6544 EOF
6545     if compile_prog "" "-lkeyutils"; then
6546         have_keyutils=yes
6547     fi
6548 fi
6549
6550
6551 ##########################################
6552 # End of CC checks
6553 # After here, no more $cc or $ld runs
6554
6555 write_c_skeleton
6556
6557 if test "$gcov" = "yes" ; then
6558   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6559   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6560 elif test "$fortify_source" = "yes" ; then
6561   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6562 elif test "$debug" = "no"; then
6563   CFLAGS="-O2 $CFLAGS"
6564 fi
6565
6566 if test "$have_asan" = "yes"; then
6567   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6568   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6569   if test "$have_asan_iface_h" = "no" ; then
6570       echo "ASAN build enabled, but ASAN header missing." \
6571            "Without code annotation, the report may be inferior."
6572   elif test "$have_asan_iface_fiber" = "no" ; then
6573       echo "ASAN build enabled, but ASAN header is too old." \
6574            "Without code annotation, the report may be inferior."
6575   fi
6576 fi
6577 if test "$have_tsan" = "yes" ; then
6578   if test "$have_tsan_iface_fiber" = "yes" ; then
6579     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6580     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6581   else
6582     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6583   fi
6584 elif test "$tsan" = "yes" ; then
6585   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6586 fi
6587 if test "$have_ubsan" = "yes"; then
6588   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6589   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6590 fi
6591
6592 ##########################################
6593 # Do we have libnfs
6594 if test "$libnfs" != "no" ; then
6595   if $pkg_config --atleast-version=1.9.3 libnfs; then
6596     libnfs="yes"
6597     libnfs_libs=$($pkg_config --libs libnfs)
6598   else
6599     if test "$libnfs" = "yes" ; then
6600       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6601     fi
6602     libnfs="no"
6603   fi
6604 fi
6605
6606 ##########################################
6607 # Do we have libudev
6608 if test "$libudev" != "no" ; then
6609   if $pkg_config libudev && test "$static" != "yes"; then
6610     libudev="yes"
6611     libudev_libs=$($pkg_config --libs libudev)
6612   else
6613     libudev="no"
6614   fi
6615 fi
6616
6617 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6618 if test "$werror" = "yes"; then
6619     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6620 fi
6621
6622 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6623 if test "$solaris" = "no" && test "$tsan" = "no"; then
6624     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6625         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6626     fi
6627 fi
6628
6629 # test if pod2man has --utf8 option
6630 if pod2man --help | grep -q utf8; then
6631     POD2MAN="pod2man --utf8"
6632 else
6633     POD2MAN="pod2man"
6634 fi
6635
6636 # Use ASLR, no-SEH and DEP if available
6637 if test "$mingw32" = "yes" ; then
6638     for flag in --dynamicbase --no-seh --nxcompat; do
6639         if ld_has $flag ; then
6640             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6641         fi
6642     done
6643 fi
6644
6645 # Disable OpenBSD W^X if available
6646 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6647     cat > $TMPC <<EOF
6648     int main(void) { return 0; }
6649 EOF
6650     wx_ldflags="-Wl,-z,wxneeded"
6651     if compile_prog "" "$wx_ldflags"; then
6652         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6653     fi
6654 fi
6655
6656 qemu_confdir=$sysconfdir$confsuffix
6657 qemu_moddir=$libdir$confsuffix
6658 qemu_datadir=$datadir$confsuffix
6659 qemu_localedir="$datadir/locale"
6660 qemu_icondir="$datadir/icons"
6661 qemu_desktopdir="$datadir/applications"
6662
6663 # We can only support ivshmem if we have eventfd
6664 if [ "$eventfd" = "yes" ]; then
6665   ivshmem=yes
6666 fi
6667
6668 tools=""
6669 if test "$want_tools" = "yes" ; then
6670   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6671   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6672     tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6673   fi
6674   if [ "$ivshmem" = "yes" ]; then
6675     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6676   fi
6677   if [ "$curl" = "yes" ]; then
6678       tools="elf2dmp\$(EXESUF) $tools"
6679   fi
6680 fi
6681 if test "$softmmu" = yes ; then
6682   if test "$linux" = yes; then
6683     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6684       virtfs=yes
6685       helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
6686     else
6687       if test "$virtfs" = yes; then
6688         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6689       fi
6690       virtfs=no
6691     fi
6692     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6693       mpath=yes
6694     else
6695       if test "$mpath" = yes; then
6696         error_exit "Multipath requires libmpathpersist devel"
6697       fi
6698       mpath=no
6699     fi
6700     helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6701   else
6702     if test "$virtfs" = yes; then
6703       error_exit "VirtFS is supported only on Linux"
6704     fi
6705     virtfs=no
6706     if test "$mpath" = yes; then
6707       error_exit "Multipath is supported only on Linux"
6708     fi
6709     mpath=no
6710   fi
6711   if test "$xkbcommon" = "yes"; then
6712     tools="qemu-keymap\$(EXESUF) $tools"
6713   fi
6714 fi
6715
6716 # Probe for guest agent support/options
6717
6718 if [ "$guest_agent" != "no" ]; then
6719   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6720       guest_agent=no
6721   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6722       tools="qemu-ga\$(EXESUF) $tools"
6723       guest_agent=yes
6724   elif [ "$guest_agent" != yes ]; then
6725       guest_agent=no
6726   else
6727       error_exit "Guest agent is not supported on this platform"
6728   fi
6729 fi
6730
6731 # Guest agent Window MSI  package
6732
6733 if test "$guest_agent" != yes; then
6734   if test "$guest_agent_msi" = yes; then
6735     error_exit "MSI guest agent package requires guest agent enabled"
6736   fi
6737   guest_agent_msi=no
6738 elif test "$mingw32" != "yes"; then
6739   if test "$guest_agent_msi" = "yes"; then
6740     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6741   fi
6742   guest_agent_msi=no
6743 elif ! has wixl; then
6744   if test "$guest_agent_msi" = "yes"; then
6745     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6746   fi
6747   guest_agent_msi=no
6748 else
6749   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6750   # disabled explicitly
6751   if test "$guest_agent_msi" != "no"; then
6752     guest_agent_msi=yes
6753   fi
6754 fi
6755
6756 if test "$guest_agent_msi" = "yes"; then
6757   if test "$guest_agent_with_vss" = "yes"; then
6758     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6759   fi
6760
6761   if test "$QEMU_GA_MANUFACTURER" = ""; then
6762     QEMU_GA_MANUFACTURER=QEMU
6763   fi
6764
6765   if test "$QEMU_GA_DISTRO" = ""; then
6766     QEMU_GA_DISTRO=Linux
6767   fi
6768
6769   if test "$QEMU_GA_VERSION" = ""; then
6770       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6771   fi
6772
6773   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6774
6775   case "$cpu" in
6776   x86_64)
6777     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6778     ;;
6779   i386)
6780     QEMU_GA_MSI_ARCH="-D Arch=32"
6781     ;;
6782   *)
6783     error_exit "CPU $cpu not supported for building installation package"
6784     ;;
6785   esac
6786 fi
6787
6788 # Mac OS X ships with a broken assembler
6789 roms=
6790 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6791         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6792         test "$softmmu" = yes ; then
6793     # Different host OS linkers have different ideas about the name of the ELF
6794     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6795     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6796     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6797         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6798             ld_i386_emulation="$emu"
6799             roms="optionrom"
6800             break
6801         fi
6802     done
6803 fi
6804
6805 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6806 if test "$cpu" = "s390x" ; then
6807   write_c_skeleton
6808   if compile_prog "-march=z900" ""; then
6809     roms="$roms s390-ccw"
6810     # SLOF is required for building the s390-ccw firmware on s390x,
6811     # since it is using the libnet code from SLOF for network booting.
6812     if test -e "${source_path}/.git" ; then
6813       git_submodules="${git_submodules} roms/SLOF"
6814     fi
6815   fi
6816 fi
6817
6818 # Check that the C++ compiler exists and works with the C compiler.
6819 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6820 if has $cxx; then
6821     cat > $TMPC <<EOF
6822 int c_function(void);
6823 int main(void) { return c_function(); }
6824 EOF
6825
6826     compile_object
6827
6828     cat > $TMPCXX <<EOF
6829 extern "C" {
6830    int c_function(void);
6831 }
6832 int c_function(void) { return 42; }
6833 EOF
6834
6835     update_cxxflags
6836
6837     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6838         # C++ compiler $cxx works ok with C compiler $cc
6839         :
6840     else
6841         echo "C++ compiler $cxx does not work with C compiler $cc"
6842         echo "Disabling C++ specific optional code"
6843         cxx=
6844     fi
6845 else
6846     echo "No C++ compiler available; disabling C++ specific optional code"
6847     cxx=
6848 fi
6849
6850 echo_version() {
6851     if test "$1" = "yes" ; then
6852         echo "($2)"
6853     fi
6854 }
6855
6856 # prepend pixman and ftd flags after all config tests are done
6857 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6858 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6859 libs_softmmu="$pixman_libs $libs_softmmu"
6860
6861 echo "Install prefix    $prefix"
6862 echo "BIOS directory    $(eval echo $qemu_datadir)"
6863 echo "firmware path     $(eval echo $firmwarepath)"
6864 echo "binary directory  $(eval echo $bindir)"
6865 echo "library directory $(eval echo $libdir)"
6866 echo "module directory  $(eval echo $qemu_moddir)"
6867 echo "libexec directory $(eval echo $libexecdir)"
6868 echo "include directory $(eval echo $includedir)"
6869 echo "config directory  $(eval echo $sysconfdir)"
6870 if test "$mingw32" = "no" ; then
6871 echo "local state directory   $(eval echo $local_statedir)"
6872 echo "Manual directory  $(eval echo $mandir)"
6873 echo "ELF interp prefix $interp_prefix"
6874 else
6875 echo "local state directory   queried at runtime"
6876 echo "Windows SDK       $win_sdk"
6877 fi
6878 echo "Build directory   $(pwd)"
6879 echo "Source path       $source_path"
6880 echo "GIT binary        $git"
6881 echo "GIT submodules    $git_submodules"
6882 echo "C compiler        $cc"
6883 echo "Host C compiler   $host_cc"
6884 echo "C++ compiler      $cxx"
6885 echo "Objective-C compiler $objcc"
6886 echo "ARFLAGS           $ARFLAGS"
6887 echo "CFLAGS            $CFLAGS"
6888 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6889 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6890 echo "make              $make"
6891 echo "install           $install"
6892 echo "python            $python ($python_version)"
6893 if test "$docs" != "no"; then
6894     echo "sphinx-build      $sphinx_build"
6895 fi
6896 echo "genisoimage       $genisoimage"
6897 echo "efi_aarch64       $efi_aarch64"
6898 echo "python_yaml       $python_yaml"
6899 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6900 if test "$slirp" != "no" ; then
6901     echo "smbd              $smbd"
6902 fi
6903 echo "module support    $modules"
6904 echo "alt path mod load $module_upgrades"
6905 echo "host CPU          $cpu"
6906 echo "host big endian   $bigendian"
6907 echo "target list       $target_list"
6908 echo "gprof enabled     $gprof"
6909 echo "sparse enabled    $sparse"
6910 echo "strip binaries    $strip_opt"
6911 echo "profiler          $profiler"
6912 echo "static build      $static"
6913 echo "safe stack        $safe_stack"
6914 if test "$darwin" = "yes" ; then
6915     echo "Cocoa support     $cocoa"
6916 fi
6917 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6918 echo "SDL image support $sdl_image"
6919 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6920 echo "GTK GL support    $gtk_gl"
6921 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6922 echo "TLS priority      $tls_priority"
6923 echo "GNUTLS support    $gnutls"
6924 echo "libgcrypt         $gcrypt"
6925 if test "$gcrypt" = "yes"
6926 then
6927    echo "  hmac            $gcrypt_hmac"
6928    echo "  XTS             $gcrypt_xts"
6929 fi
6930 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6931 if test "$nettle" = "yes"
6932 then
6933    echo "  XTS             $nettle_xts"
6934 fi
6935 echo "libtasn1          $tasn1"
6936 echo "PAM               $auth_pam"
6937 echo "iconv support     $iconv"
6938 echo "curses support    $curses"
6939 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6940 echo "curl support      $curl"
6941 echo "mingw32 support   $mingw32"
6942 echo "Audio drivers     $audio_drv_list"
6943 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6944 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6945 echo "VirtFS support    $virtfs"
6946 echo "Multipath support $mpath"
6947 echo "VNC support       $vnc"
6948 if test "$vnc" = "yes" ; then
6949     echo "VNC SASL support  $vnc_sasl"
6950     echo "VNC JPEG support  $vnc_jpeg"
6951     echo "VNC PNG support   $vnc_png"
6952 fi
6953 echo "xen support       $xen"
6954 if test "$xen" = "yes" ; then
6955   echo "xen ctrl version  $xen_ctrl_version"
6956 fi
6957 echo "brlapi support    $brlapi"
6958 echo "Documentation     $docs"
6959 echo "PIE               $pie"
6960 echo "vde support       $vde"
6961 echo "netmap support    $netmap"
6962 echo "Linux AIO support $linux_aio"
6963 echo "Linux io_uring support $linux_io_uring"
6964 echo "ATTR/XATTR support $attr"
6965 echo "Install blobs     $blobs"
6966 echo "KVM support       $kvm"
6967 echo "HAX support       $hax"
6968 echo "HVF support       $hvf"
6969 echo "WHPX support      $whpx"
6970 echo "TCG support       $tcg"
6971 if test "$tcg" = "yes" ; then
6972     echo "TCG debug enabled $debug_tcg"
6973     echo "TCG interpreter   $tcg_interpreter"
6974 fi
6975 echo "malloc trim support $malloc_trim"
6976 echo "RDMA support      $rdma"
6977 echo "PVRDMA support    $pvrdma"
6978 echo "fdt support       $fdt"
6979 echo "membarrier        $membarrier"
6980 echo "preadv support    $preadv"
6981 echo "fdatasync         $fdatasync"
6982 echo "madvise           $madvise"
6983 echo "posix_madvise     $posix_madvise"
6984 echo "posix_memalign    $posix_memalign"
6985 echo "libcap-ng support $cap_ng"
6986 echo "vhost-net support $vhost_net"
6987 echo "vhost-crypto support $vhost_crypto"
6988 echo "vhost-scsi support $vhost_scsi"
6989 echo "vhost-vsock support $vhost_vsock"
6990 echo "vhost-user support $vhost_user"
6991 echo "vhost-user-fs support $vhost_user_fs"
6992 echo "vhost-vdpa support $vhost_vdpa"
6993 echo "Trace backends    $trace_backends"
6994 if have_backend "simple"; then
6995 echo "Trace output file $trace_file-<pid>"
6996 fi
6997 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6998 echo "rbd support       $rbd"
6999 echo "xfsctl support    $xfs"
7000 echo "smartcard support $smartcard"
7001 echo "libusb            $libusb"
7002 echo "usb net redir     $usb_redir"
7003 echo "OpenGL support    $opengl"
7004 echo "OpenGL dmabufs    $opengl_dmabuf"
7005 echo "libiscsi support  $libiscsi"
7006 echo "libnfs support    $libnfs"
7007 echo "build guest agent $guest_agent"
7008 echo "QGA VSS support   $guest_agent_with_vss"
7009 echo "QGA w32 disk info $guest_agent_ntddscsi"
7010 echo "QGA MSI support   $guest_agent_msi"
7011 echo "seccomp support   $seccomp"
7012 echo "coroutine backend $coroutine"
7013 echo "coroutine pool    $coroutine_pool"
7014 echo "debug stack usage $debug_stack_usage"
7015 echo "mutex debugging   $debug_mutex"
7016 echo "crypto afalg      $crypto_afalg"
7017 echo "GlusterFS support $glusterfs"
7018 echo "gcov              $gcov_tool"
7019 echo "gcov enabled      $gcov"
7020 echo "TPM support       $tpm"
7021 echo "libssh support    $libssh"
7022 echo "QOM debugging     $qom_cast_debug"
7023 echo "Live block migration $live_block_migration"
7024 echo "lzo support       $lzo"
7025 echo "snappy support    $snappy"
7026 echo "bzip2 support     $bzip2"
7027 echo "lzfse support     $lzfse"
7028 echo "zstd support      $zstd"
7029 echo "NUMA host support $numa"
7030 echo "libxml2           $libxml2"
7031 echo "tcmalloc support  $tcmalloc"
7032 echo "jemalloc support  $jemalloc"
7033 echo "avx2 optimization $avx2_opt"
7034 echo "avx512f optimization $avx512f_opt"
7035 echo "replication support $replication"
7036 echo "VxHS block device $vxhs"
7037 echo "bochs support     $bochs"
7038 echo "cloop support     $cloop"
7039 echo "dmg support       $dmg"
7040 echo "qcow v1 support   $qcow1"
7041 echo "vdi support       $vdi"
7042 echo "vvfat support     $vvfat"
7043 echo "qed support       $qed"
7044 echo "parallels support $parallels"
7045 echo "sheepdog support  $sheepdog"
7046 echo "capstone          $capstone"
7047 echo "libpmem support   $libpmem"
7048 echo "libdaxctl support $libdaxctl"
7049 echo "libudev           $libudev"
7050 echo "default devices   $default_devices"
7051 echo "plugin support    $plugins"
7052 echo "fuzzing support   $fuzzing"
7053 echo "gdb               $gdb_bin"
7054 echo "rng-none          $rng_none"
7055 echo "Linux keyring     $secret_keyring"
7056
7057 if test "$supported_cpu" = "no"; then
7058     echo
7059     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
7060     echo
7061     echo "CPU host architecture $cpu support is not currently maintained."
7062     echo "The QEMU project intends to remove support for this host CPU in"
7063     echo "a future release if nobody volunteers to maintain it and to"
7064     echo "provide a build host for our continuous integration setup."
7065     echo "configure has succeeded and you can continue to build, but"
7066     echo "if you care about QEMU on this platform you should contact"
7067     echo "us upstream at qemu-devel@nongnu.org."
7068 fi
7069
7070 if test "$supported_os" = "no"; then
7071     echo
7072     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
7073     echo
7074     echo "Host OS $targetos support is not currently maintained."
7075     echo "The QEMU project intends to remove support for this host OS in"
7076     echo "a future release if nobody volunteers to maintain it and to"
7077     echo "provide a build host for our continuous integration setup."
7078     echo "configure has succeeded and you can continue to build, but"
7079     echo "if you care about QEMU on this platform you should contact"
7080     echo "us upstream at qemu-devel@nongnu.org."
7081 fi
7082
7083 config_host_mak="config-host.mak"
7084
7085 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
7086
7087 echo "# Automatically generated by configure - do not modify" > $config_host_mak
7088 echo >> $config_host_mak
7089
7090 echo all: >> $config_host_mak
7091 echo "prefix=$prefix" >> $config_host_mak
7092 echo "bindir=$bindir" >> $config_host_mak
7093 echo "libdir=$libdir" >> $config_host_mak
7094 echo "libexecdir=$libexecdir" >> $config_host_mak
7095 echo "includedir=$includedir" >> $config_host_mak
7096 echo "mandir=$mandir" >> $config_host_mak
7097 echo "sysconfdir=$sysconfdir" >> $config_host_mak
7098 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
7099 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
7100 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
7101 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
7102 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
7103 if test "$mingw32" = "no" ; then
7104   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
7105 fi
7106 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
7107 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
7108 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
7109 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
7110 echo "libs_cpu=$libs_cpu" >> $config_host_mak
7111 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
7112 echo "GIT=$git" >> $config_host_mak
7113 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
7114 echo "GIT_UPDATE=$git_update" >> $config_host_mak
7115
7116 echo "ARCH=$ARCH" >> $config_host_mak
7117
7118 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7119 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
7120
7121 if test "$default_devices" = "yes" ; then
7122   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
7123 else
7124   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
7125 fi
7126 if test "$debug_tcg" = "yes" ; then
7127   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
7128 fi
7129 if test "$strip_opt" = "yes" ; then
7130   echo "STRIP=${strip}" >> $config_host_mak
7131 fi
7132 if test "$bigendian" = "yes" ; then
7133   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
7134 fi
7135 if test "$mingw32" = "yes" ; then
7136   echo "CONFIG_WIN32=y" >> $config_host_mak
7137   rc_version=$(cat $source_path/VERSION)
7138   version_major=${rc_version%%.*}
7139   rc_version=${rc_version#*.}
7140   version_minor=${rc_version%%.*}
7141   rc_version=${rc_version#*.}
7142   version_subminor=${rc_version%%.*}
7143   version_micro=0
7144   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
7145   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
7146   if test "$guest_agent_with_vss" = "yes" ; then
7147     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
7148     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
7149     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
7150   fi
7151   if test "$guest_agent_ntddscsi" = "yes" ; then
7152     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
7153   fi
7154   if test "$guest_agent_msi" = "yes"; then
7155     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
7156     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
7157     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
7158     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
7159     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
7160     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
7161     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
7162   fi
7163 else
7164   echo "CONFIG_POSIX=y" >> $config_host_mak
7165 fi
7166
7167 if test "$linux" = "yes" ; then
7168   echo "CONFIG_LINUX=y" >> $config_host_mak
7169 fi
7170
7171 if test "$darwin" = "yes" ; then
7172   echo "CONFIG_DARWIN=y" >> $config_host_mak
7173 fi
7174
7175 if test "$solaris" = "yes" ; then
7176   echo "CONFIG_SOLARIS=y" >> $config_host_mak
7177 fi
7178 if test "$haiku" = "yes" ; then
7179   echo "CONFIG_HAIKU=y" >> $config_host_mak
7180 fi
7181 if test "$static" = "yes" ; then
7182   echo "CONFIG_STATIC=y" >> $config_host_mak
7183 fi
7184 if test "$profiler" = "yes" ; then
7185   echo "CONFIG_PROFILER=y" >> $config_host_mak
7186 fi
7187 if test "$want_tools" = "yes" ; then
7188   echo "CONFIG_TOOLS=y" >> $config_host_mak
7189 fi
7190 if test "$slirp" != "no"; then
7191   echo "CONFIG_SLIRP=y" >> $config_host_mak
7192   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7193   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7194   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7195 fi
7196 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7197     echo "config-host.h: slirp/all" >> $config_host_mak
7198 fi
7199 if test "$vde" = "yes" ; then
7200   echo "CONFIG_VDE=y" >> $config_host_mak
7201   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7202 fi
7203 if test "$netmap" = "yes" ; then
7204   echo "CONFIG_NETMAP=y" >> $config_host_mak
7205 fi
7206 if test "$l2tpv3" = "yes" ; then
7207   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7208 fi
7209 if test "$gprof" = "yes" ; then
7210   echo "CONFIG_GPROF=y" >> $config_host_mak
7211 fi
7212 if test "$cap_ng" = "yes" ; then
7213   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7214 fi
7215 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7216 for drv in $audio_drv_list; do
7217     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7218     case "$drv" in
7219         alsa | oss | pa | sdl)
7220             echo "$def=m" >> $config_host_mak ;;
7221         *)
7222             echo "$def=y" >> $config_host_mak ;;
7223     esac
7224 done
7225 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7226 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7227 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7228 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7229 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7230 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7231 if test "$audio_win_int" = "yes" ; then
7232   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7233 fi
7234 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7235 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7236 if test "$vnc" = "yes" ; then
7237   echo "CONFIG_VNC=y" >> $config_host_mak
7238 fi
7239 if test "$vnc_sasl" = "yes" ; then
7240   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7241 fi
7242 if test "$vnc_jpeg" = "yes" ; then
7243   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7244 fi
7245 if test "$vnc_png" = "yes" ; then
7246   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7247 fi
7248 if test "$xkbcommon" = "yes" ; then
7249   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7250   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7251 fi
7252 if test "$xfs" = "yes" ; then
7253   echo "CONFIG_XFS=y" >> $config_host_mak
7254 fi
7255 qemu_version=$(head $source_path/VERSION)
7256 echo "VERSION=$qemu_version" >>$config_host_mak
7257 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7258 echo "SRC_PATH=$source_path" >> $config_host_mak
7259 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7260 if [ "$docs" = "yes" ] ; then
7261   echo "BUILD_DOCS=yes" >> $config_host_mak
7262 fi
7263 if test "$modules" = "yes"; then
7264   # $shacmd can generate a hash started with digit, which the compiler doesn't
7265   # like as an symbol. So prefix it with an underscore
7266   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7267   echo "CONFIG_MODULES=y" >> $config_host_mak
7268 fi
7269 if test "$module_upgrades" = "yes"; then
7270   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7271 fi
7272 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7273   echo "CONFIG_X11=y" >> $config_host_mak
7274   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7275   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7276 fi
7277 if test "$sdl" = "yes" ; then
7278   echo "CONFIG_SDL=m" >> $config_host_mak
7279   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7280   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7281   if test "$sdl_image" = "yes" ; then
7282       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7283   fi
7284 fi
7285 if test "$cocoa" = "yes" ; then
7286   echo "CONFIG_COCOA=y" >> $config_host_mak
7287 fi
7288 if test "$iconv" = "yes" ; then
7289   echo "CONFIG_ICONV=y" >> $config_host_mak
7290   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7291   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7292 fi
7293 if test "$curses" = "yes" ; then
7294   echo "CONFIG_CURSES=m" >> $config_host_mak
7295   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7296   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7297 fi
7298 if test "$pipe2" = "yes" ; then
7299   echo "CONFIG_PIPE2=y" >> $config_host_mak
7300 fi
7301 if test "$accept4" = "yes" ; then
7302   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7303 fi
7304 if test "$splice" = "yes" ; then
7305   echo "CONFIG_SPLICE=y" >> $config_host_mak
7306 fi
7307 if test "$eventfd" = "yes" ; then
7308   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7309 fi
7310 if test "$memfd" = "yes" ; then
7311   echo "CONFIG_MEMFD=y" >> $config_host_mak
7312 fi
7313 if test "$have_usbfs" = "yes" ; then
7314   echo "CONFIG_USBFS=y" >> $config_host_mak
7315 fi
7316 if test "$fallocate" = "yes" ; then
7317   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7318 fi
7319 if test "$fallocate_punch_hole" = "yes" ; then
7320   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7321 fi
7322 if test "$fallocate_zero_range" = "yes" ; then
7323   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7324 fi
7325 if test "$posix_fallocate" = "yes" ; then
7326   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7327 fi
7328 if test "$sync_file_range" = "yes" ; then
7329   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7330 fi
7331 if test "$fiemap" = "yes" ; then
7332   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7333 fi
7334 if test "$dup3" = "yes" ; then
7335   echo "CONFIG_DUP3=y" >> $config_host_mak
7336 fi
7337 if test "$ppoll" = "yes" ; then
7338   echo "CONFIG_PPOLL=y" >> $config_host_mak
7339 fi
7340 if test "$prctl_pr_set_timerslack" = "yes" ; then
7341   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7342 fi
7343 if test "$epoll" = "yes" ; then
7344   echo "CONFIG_EPOLL=y" >> $config_host_mak
7345 fi
7346 if test "$epoll_create1" = "yes" ; then
7347   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7348 fi
7349 if test "$sendfile" = "yes" ; then
7350   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7351 fi
7352 if test "$timerfd" = "yes" ; then
7353   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7354 fi
7355 if test "$setns" = "yes" ; then
7356   echo "CONFIG_SETNS=y" >> $config_host_mak
7357 fi
7358 if test "$clock_adjtime" = "yes" ; then
7359   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7360 fi
7361 if test "$syncfs" = "yes" ; then
7362   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7363 fi
7364 if test "$kcov" = "yes" ; then
7365   echo "CONFIG_KCOV=y" >> $config_host_mak
7366 fi
7367 if test "$inotify" = "yes" ; then
7368   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7369 fi
7370 if test "$inotify1" = "yes" ; then
7371   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7372 fi
7373 if test "$sem_timedwait" = "yes" ; then
7374   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7375 fi
7376 if test "$strchrnul" = "yes" ; then
7377   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7378 fi
7379 if test "$st_atim" = "yes" ; then
7380   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7381 fi
7382 if test "$byteswap_h" = "yes" ; then
7383   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7384 fi
7385 if test "$bswap_h" = "yes" ; then
7386   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7387 fi
7388 if test "$curl" = "yes" ; then
7389   echo "CONFIG_CURL=m" >> $config_host_mak
7390   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7391   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7392 fi
7393 if test "$brlapi" = "yes" ; then
7394   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7395   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7396 fi
7397 if test "$gtk" = "yes" ; then
7398   echo "CONFIG_GTK=m" >> $config_host_mak
7399   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7400   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7401   if test "$gtk_gl" = "yes" ; then
7402     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7403   fi
7404 fi
7405 if test "$gio" = "yes" ; then
7406     echo "CONFIG_GIO=y" >> $config_host_mak
7407     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7408     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7409     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7410 fi
7411 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7412 if test "$gnutls" = "yes" ; then
7413   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7414 fi
7415 if test "$gcrypt" = "yes" ; then
7416   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7417   if test "$gcrypt_hmac" = "yes" ; then
7418     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7419   fi
7420 fi
7421 if test "$nettle" = "yes" ; then
7422   echo "CONFIG_NETTLE=y" >> $config_host_mak
7423   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7424 fi
7425 if test "$qemu_private_xts" = "yes" ; then
7426   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7427 fi
7428 if test "$tasn1" = "yes" ; then
7429   echo "CONFIG_TASN1=y" >> $config_host_mak
7430 fi
7431 if test "$auth_pam" = "yes" ; then
7432     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7433 fi
7434 if test "$have_ifaddrs_h" = "yes" ; then
7435     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7436 fi
7437 if test "$have_drm_h" = "yes" ; then
7438   echo "HAVE_DRM_H=y" >> $config_host_mak
7439 fi
7440 if test "$have_broken_size_max" = "yes" ; then
7441     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7442 fi
7443 if test "$have_openpty" = "yes" ; then
7444     echo "HAVE_OPENPTY=y" >> $config_host_mak
7445 fi
7446 if test "$have_sys_signal_h" = "yes" ; then
7447     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7448 fi
7449
7450 # Work around a system header bug with some kernel/XFS header
7451 # versions where they both try to define 'struct fsxattr':
7452 # xfs headers will not try to redefine structs from linux headers
7453 # if this macro is set.
7454 if test "$have_fsxattr" = "yes" ; then
7455     echo "HAVE_FSXATTR=y" >> $config_host_mak
7456 fi
7457 if test "$have_copy_file_range" = "yes" ; then
7458     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7459 fi
7460 if test "$vte" = "yes" ; then
7461   echo "CONFIG_VTE=y" >> $config_host_mak
7462   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7463   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7464 fi
7465 if test "$virglrenderer" = "yes" ; then
7466   echo "CONFIG_VIRGL=y" >> $config_host_mak
7467   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7468   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7469 fi
7470 if test "$xen" = "yes" ; then
7471   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7472   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7473 fi
7474 if test "$linux_aio" = "yes" ; then
7475   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7476 fi
7477 if test "$linux_io_uring" = "yes" ; then
7478   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7479   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7480   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7481 fi
7482 if test "$attr" = "yes" ; then
7483   echo "CONFIG_ATTR=y" >> $config_host_mak
7484 fi
7485 if test "$libattr" = "yes" ; then
7486   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7487 fi
7488 if test "$virtfs" = "yes" ; then
7489   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7490 fi
7491 if test "$mpath" = "yes" ; then
7492   echo "CONFIG_MPATH=y" >> $config_host_mak
7493   if test "$mpathpersist_new_api" = "yes"; then
7494     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7495   fi
7496 fi
7497 if test "$vhost_scsi" = "yes" ; then
7498   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7499 fi
7500 if test "$vhost_net" = "yes" ; then
7501   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7502 fi
7503 if test "$vhost_net_user" = "yes" ; then
7504   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7505 fi
7506 if test "$vhost_net_vdpa" = "yes" ; then
7507   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7508 fi
7509 if test "$vhost_crypto" = "yes" ; then
7510   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7511 fi
7512 if test "$vhost_vsock" = "yes" ; then
7513   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7514   if test "$vhost_user" = "yes" ; then
7515     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7516   fi
7517 fi
7518 if test "$vhost_kernel" = "yes" ; then
7519   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7520 fi
7521 if test "$vhost_user" = "yes" ; then
7522   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7523 fi
7524 if test "$vhost_vdpa" = "yes" ; then
7525   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7526 fi
7527 if test "$vhost_user_fs" = "yes" ; then
7528   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7529 fi
7530 if test "$blobs" = "yes" ; then
7531   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7532 fi
7533 if test "$iovec" = "yes" ; then
7534   echo "CONFIG_IOVEC=y" >> $config_host_mak
7535 fi
7536 if test "$preadv" = "yes" ; then
7537   echo "CONFIG_PREADV=y" >> $config_host_mak
7538 fi
7539 if test "$fdt" != "no" ; then
7540   echo "CONFIG_FDT=y" >> $config_host_mak
7541 fi
7542 if test "$membarrier" = "yes" ; then
7543   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7544 fi
7545 if test "$signalfd" = "yes" ; then
7546   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7547 fi
7548 if test "$optreset" = "yes" ; then
7549   echo "HAVE_OPTRESET=y" >> $config_host_mak
7550 fi
7551 if test "$tcg" = "yes"; then
7552   echo "CONFIG_TCG=y" >> $config_host_mak
7553   if test "$tcg_interpreter" = "yes" ; then
7554     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7555   fi
7556 fi
7557 if test "$fdatasync" = "yes" ; then
7558   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7559 fi
7560 if test "$madvise" = "yes" ; then
7561   echo "CONFIG_MADVISE=y" >> $config_host_mak
7562 fi
7563 if test "$posix_madvise" = "yes" ; then
7564   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7565 fi
7566 if test "$posix_memalign" = "yes" ; then
7567   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7568 fi
7569
7570 if test "$spice" = "yes" ; then
7571   echo "CONFIG_SPICE=y" >> $config_host_mak
7572 fi
7573
7574 if test "$smartcard" = "yes" ; then
7575   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7576   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7577   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7578 fi
7579
7580 if test "$libusb" = "yes" ; then
7581   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7582   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7583   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7584 fi
7585
7586 if test "$usb_redir" = "yes" ; then
7587   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7588   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7589   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7590 fi
7591
7592 if test "$opengl" = "yes" ; then
7593   echo "CONFIG_OPENGL=y" >> $config_host_mak
7594   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7595   if test "$opengl_dmabuf" = "yes" ; then
7596     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7597   fi
7598 fi
7599
7600 if test "$gbm" = "yes" ; then
7601     echo "CONFIG_GBM=y" >> $config_host_mak
7602     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7603     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7604 fi
7605
7606
7607 if test "$malloc_trim" = "yes" ; then
7608   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7609 fi
7610
7611 if test "$avx2_opt" = "yes" ; then
7612   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7613 fi
7614
7615 if test "$avx512f_opt" = "yes" ; then
7616   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7617 fi
7618
7619 if test "$lzo" = "yes" ; then
7620   echo "CONFIG_LZO=y" >> $config_host_mak
7621 fi
7622
7623 if test "$snappy" = "yes" ; then
7624   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7625 fi
7626
7627 if test "$bzip2" = "yes" ; then
7628   echo "CONFIG_BZIP2=y" >> $config_host_mak
7629   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7630 fi
7631
7632 if test "$lzfse" = "yes" ; then
7633   echo "CONFIG_LZFSE=y" >> $config_host_mak
7634   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7635 fi
7636
7637 if test "$zstd" = "yes" ; then
7638   echo "CONFIG_ZSTD=y" >> $config_host_mak
7639 fi
7640
7641 if test "$libiscsi" = "yes" ; then
7642   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7643   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7644   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7645 fi
7646
7647 if test "$libnfs" = "yes" ; then
7648   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7649   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7650 fi
7651
7652 if test "$seccomp" = "yes"; then
7653   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7654   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7655   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7656 fi
7657
7658 # XXX: suppress that
7659 if [ "$bsd" = "yes" ] ; then
7660   echo "CONFIG_BSD=y" >> $config_host_mak
7661 fi
7662
7663 if test "$localtime_r" = "yes" ; then
7664   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7665 fi
7666 if test "$qom_cast_debug" = "yes" ; then
7667   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7668 fi
7669 if test "$rbd" = "yes" ; then
7670   echo "CONFIG_RBD=m" >> $config_host_mak
7671   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7672   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7673 fi
7674
7675 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7676 if test "$coroutine_pool" = "yes" ; then
7677   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7678 else
7679   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7680 fi
7681
7682 if test "$debug_stack_usage" = "yes" ; then
7683   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7684 fi
7685
7686 if test "$crypto_afalg" = "yes" ; then
7687   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7688 fi
7689
7690 if test "$open_by_handle_at" = "yes" ; then
7691   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7692 fi
7693
7694 if test "$linux_magic_h" = "yes" ; then
7695   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7696 fi
7697
7698 if test "$valgrind_h" = "yes" ; then
7699   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7700 fi
7701
7702 if test "$have_asan_iface_fiber" = "yes" ; then
7703     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7704 fi
7705
7706 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7707     echo "CONFIG_TSAN=y" >> $config_host_mak
7708 fi
7709
7710 if test "$has_environ" = "yes" ; then
7711   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7712 fi
7713
7714 if test "$cpuid_h" = "yes" ; then
7715   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7716 fi
7717
7718 if test "$int128" = "yes" ; then
7719   echo "CONFIG_INT128=y" >> $config_host_mak
7720 fi
7721
7722 if test "$atomic128" = "yes" ; then
7723   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7724 fi
7725
7726 if test "$cmpxchg128" = "yes" ; then
7727   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7728 fi
7729
7730 if test "$atomic64" = "yes" ; then
7731   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7732 fi
7733
7734 if test "$attralias" = "yes" ; then
7735   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7736 fi
7737
7738 if test "$getauxval" = "yes" ; then
7739   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7740 fi
7741
7742 if test "$glusterfs" = "yes" ; then
7743   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7744   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7745   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7746 fi
7747
7748 if test "$glusterfs_xlator_opt" = "yes" ; then
7749   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7750 fi
7751
7752 if test "$glusterfs_discard" = "yes" ; then
7753   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7754 fi
7755
7756 if test "$glusterfs_fallocate" = "yes" ; then
7757   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7758 fi
7759
7760 if test "$glusterfs_zerofill" = "yes" ; then
7761   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7762 fi
7763
7764 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7765   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7766 fi
7767
7768 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7769   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7770 fi
7771
7772 if test "$libssh" = "yes" ; then
7773   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7774   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7775   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7776 fi
7777
7778 if test "$live_block_migration" = "yes" ; then
7779   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7780 fi
7781
7782 if test "$tpm" = "yes"; then
7783   echo 'CONFIG_TPM=y' >> $config_host_mak
7784 fi
7785
7786 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7787 if have_backend "nop"; then
7788   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7789 fi
7790 if have_backend "simple"; then
7791   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7792   # Set the appropriate trace file.
7793   trace_file="\"$trace_file-\" FMT_pid"
7794 fi
7795 if have_backend "log"; then
7796   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7797 fi
7798 if have_backend "ust"; then
7799   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7800 fi
7801 if have_backend "dtrace"; then
7802   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7803   if test "$trace_backend_stap" = "yes" ; then
7804     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7805   fi
7806 fi
7807 if have_backend "ftrace"; then
7808   if test "$linux" = "yes" ; then
7809     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7810   else
7811     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7812   fi
7813 fi
7814 if have_backend "syslog"; then
7815   if test "$posix_syslog" = "yes" ; then
7816     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7817   else
7818     feature_not_found "syslog(trace backend)" "syslog not available"
7819   fi
7820 fi
7821 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7822
7823 if test "$rdma" = "yes" ; then
7824   echo "CONFIG_RDMA=y" >> $config_host_mak
7825   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7826 fi
7827
7828 if test "$pvrdma" = "yes" ; then
7829   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7830 fi
7831
7832 if test "$have_rtnetlink" = "yes" ; then
7833   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7834 fi
7835
7836 if test "$libxml2" = "yes" ; then
7837   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7838   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7839   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7840 fi
7841
7842 if test "$replication" = "yes" ; then
7843   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7844 fi
7845
7846 if test "$have_af_vsock" = "yes" ; then
7847   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7848 fi
7849
7850 if test "$have_sysmacros" = "yes" ; then
7851   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7852 fi
7853
7854 if test "$have_static_assert" = "yes" ; then
7855   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7856 fi
7857
7858 if test "$have_utmpx" = "yes" ; then
7859   echo "HAVE_UTMPX=y" >> $config_host_mak
7860 fi
7861 if test "$have_getrandom" = "yes" ; then
7862   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7863 fi
7864 if test "$ivshmem" = "yes" ; then
7865   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7866 fi
7867 if test "$capstone" != "no" ; then
7868   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7869 fi
7870 if test "$debug_mutex" = "yes" ; then
7871   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7872 fi
7873
7874 # Hold two types of flag:
7875 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7876 #                                     a thread we have a handle to
7877 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7878 #                                     platform
7879 if test "$pthread_setname_np_w_tid" = "yes" ; then
7880   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7881   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7882 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7883   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7884   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7885 fi
7886
7887 if test "$vxhs" = "yes" ; then
7888   echo "CONFIG_VXHS=y" >> $config_host_mak
7889   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7890 fi
7891
7892 if test "$libpmem" = "yes" ; then
7893   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7894 fi
7895
7896 if test "$libdaxctl" = "yes" ; then
7897   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7898 fi
7899
7900 if test "$bochs" = "yes" ; then
7901   echo "CONFIG_BOCHS=y" >> $config_host_mak
7902 fi
7903 if test "$cloop" = "yes" ; then
7904   echo "CONFIG_CLOOP=y" >> $config_host_mak
7905 fi
7906 if test "$dmg" = "yes" ; then
7907   echo "CONFIG_DMG=y" >> $config_host_mak
7908 fi
7909 if test "$qcow1" = "yes" ; then
7910   echo "CONFIG_QCOW1=y" >> $config_host_mak
7911 fi
7912 if test "$vdi" = "yes" ; then
7913   echo "CONFIG_VDI=y" >> $config_host_mak
7914 fi
7915 if test "$vvfat" = "yes" ; then
7916   echo "CONFIG_VVFAT=y" >> $config_host_mak
7917 fi
7918 if test "$qed" = "yes" ; then
7919   echo "CONFIG_QED=y" >> $config_host_mak
7920 fi
7921 if test "$parallels" = "yes" ; then
7922   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7923 fi
7924 if test "$sheepdog" = "yes" ; then
7925   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7926 fi
7927 if test "$pty_h" = "yes" ; then
7928   echo "HAVE_PTY_H=y" >> $config_host_mak
7929 fi
7930 if test "$have_mlockall" = "yes" ; then
7931   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7932 fi
7933 if test "$fuzzing" = "yes" ; then
7934   if test "$have_fuzzer" = "yes"; then
7935     FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
7936     FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
7937     CFLAGS="$CFLAGS -fsanitize=address,fuzzer-no-link"
7938   else
7939     error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
7940     exit 1
7941   fi
7942 fi
7943
7944 if test "$plugins" = "yes" ; then
7945     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7946     LIBS="-ldl $LIBS"
7947     # Copy the export object list to the build dir
7948     if test "$ld_dynamic_list" = "yes" ; then
7949         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7950         ld_symbols=qemu-plugins-ld.symbols
7951         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7952     elif test "$ld_exported_symbols_list" = "yes" ; then
7953         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7954         ld64_symbols=qemu-plugins-ld64.symbols
7955         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7956         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7957             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7958     else
7959         error_exit \
7960             "If \$plugins=yes, either \$ld_dynamic_list or " \
7961             "\$ld_exported_symbols_list should have been set to 'yes'."
7962     fi
7963 fi
7964
7965 if test -n "$gdb_bin" ; then
7966     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7967 fi
7968
7969 if test "$secret_keyring" = "yes" ; then
7970   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7971   if test "$have_keyutils" = "yes" ; then
7972     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7973   fi
7974 fi
7975
7976 if test "$tcg_interpreter" = "yes"; then
7977   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7978 elif test "$ARCH" = "sparc64" ; then
7979   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7980 elif test "$ARCH" = "s390x" ; then
7981   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7982 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7983   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7984 elif test "$ARCH" = "ppc64" ; then
7985   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7986 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7987   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7988 else
7989   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7990 fi
7991
7992 echo "HELPERS=$helpers" >> $config_host_mak
7993 echo "TOOLS=$tools" >> $config_host_mak
7994 echo "ROMS=$roms" >> $config_host_mak
7995 echo "MAKE=$make" >> $config_host_mak
7996 echo "INSTALL=$install" >> $config_host_mak
7997 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7998 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7999 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
8000 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
8001 echo "PYTHON=$python" >> $config_host_mak
8002 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
8003 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
8004 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
8005 echo "EFI_AARCH64=$efi_aarch64" >> $config_host_mak
8006 echo "PYTHON_YAML=$python_yaml" >> $config_host_mak
8007 echo "CC=$cc" >> $config_host_mak
8008 if $iasl -h > /dev/null 2>&1; then
8009   echo "IASL=$iasl" >> $config_host_mak
8010 fi
8011 echo "HOST_CC=$host_cc" >> $config_host_mak
8012 echo "CXX=$cxx" >> $config_host_mak
8013 echo "OBJCC=$objcc" >> $config_host_mak
8014 echo "AR=$ar" >> $config_host_mak
8015 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
8016 echo "AS=$as" >> $config_host_mak
8017 echo "CCAS=$ccas" >> $config_host_mak
8018 echo "CPP=$cpp" >> $config_host_mak
8019 echo "OBJCOPY=$objcopy" >> $config_host_mak
8020 echo "LD=$ld" >> $config_host_mak
8021 echo "RANLIB=$ranlib" >> $config_host_mak
8022 echo "NM=$nm" >> $config_host_mak
8023 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
8024 echo "WINDRES=$windres" >> $config_host_mak
8025 echo "CFLAGS=$CFLAGS" >> $config_host_mak
8026 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
8027 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
8028 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
8029 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
8030 if test "$sparse" = "yes" ; then
8031   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
8032   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
8033   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
8034   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
8035   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
8036 fi
8037 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
8038 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
8039 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
8040 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
8041 echo "LIBS+=$LIBS" >> $config_host_mak
8042 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
8043 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
8044 echo "EXESUF=$EXESUF" >> $config_host_mak
8045 echo "DSOSUF=$DSOSUF" >> $config_host_mak
8046 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
8047 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
8048 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
8049 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
8050 echo "POD2MAN=$POD2MAN" >> $config_host_mak
8051 if test "$gcov" = "yes" ; then
8052   echo "CONFIG_GCOV=y" >> $config_host_mak
8053   echo "GCOV=$gcov_tool" >> $config_host_mak
8054 fi
8055
8056 if test "$libudev" != "no"; then
8057     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
8058     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
8059 fi
8060 if test "$fuzzing" != "no"; then
8061     echo "CONFIG_FUZZ=y" >> $config_host_mak
8062     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
8063     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
8064 fi
8065
8066 if test "$edk2_blobs" = "yes" ; then
8067   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
8068 fi
8069
8070 if test "$rng_none" = "yes"; then
8071   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
8072 fi
8073
8074 # use included Linux headers
8075 if test "$linux" = "yes" ; then
8076   mkdir -p linux-headers
8077   case "$cpu" in
8078   i386|x86_64|x32)
8079     linux_arch=x86
8080     ;;
8081   ppc|ppc64|ppc64le)
8082     linux_arch=powerpc
8083     ;;
8084   s390x)
8085     linux_arch=s390
8086     ;;
8087   aarch64)
8088     linux_arch=arm64
8089     ;;
8090   mips64)
8091     linux_arch=mips
8092     ;;
8093   *)
8094     # For most CPUs the kernel architecture name and QEMU CPU name match.
8095     linux_arch="$cpu"
8096     ;;
8097   esac
8098     # For non-KVM architectures we will not have asm headers
8099     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
8100       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
8101     fi
8102 fi
8103
8104 for target in $target_list; do
8105 target_dir="$target"
8106 config_target_mak=$target_dir/config-target.mak
8107 target_name=$(echo $target | cut -d '-' -f 1)
8108 target_aligned_only="no"
8109 case "$target_name" in
8110   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
8111   target_aligned_only="yes"
8112   ;;
8113 esac
8114 target_bigendian="no"
8115 case "$target_name" in
8116   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
8117   target_bigendian="yes"
8118   ;;
8119 esac
8120 target_softmmu="no"
8121 target_user_only="no"
8122 target_linux_user="no"
8123 target_bsd_user="no"
8124 case "$target" in
8125   ${target_name}-softmmu)
8126     target_softmmu="yes"
8127     ;;
8128   ${target_name}-linux-user)
8129     target_user_only="yes"
8130     target_linux_user="yes"
8131     ;;
8132   ${target_name}-bsd-user)
8133     target_user_only="yes"
8134     target_bsd_user="yes"
8135     ;;
8136   *)
8137     error_exit "Target '$target' not recognised"
8138     exit 1
8139     ;;
8140 esac
8141
8142 mkdir -p $target_dir
8143 echo "# Automatically generated by configure - do not modify" > $config_target_mak
8144
8145 bflt="no"
8146 mttcg="no"
8147 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
8148 gdb_xml_files=""
8149
8150 TARGET_ARCH="$target_name"
8151 TARGET_BASE_ARCH=""
8152 TARGET_ABI_DIR=""
8153
8154 case "$target_name" in
8155   i386)
8156     mttcg="yes"
8157         gdb_xml_files="i386-32bit.xml"
8158     TARGET_SYSTBL_ABI=i386
8159   ;;
8160   x86_64)
8161     TARGET_BASE_ARCH=i386
8162     TARGET_SYSTBL_ABI=common,64
8163     mttcg="yes"
8164         gdb_xml_files="i386-64bit.xml"
8165   ;;
8166   alpha)
8167     mttcg="yes"
8168     TARGET_SYSTBL_ABI=common
8169   ;;
8170   arm|armeb)
8171     TARGET_ARCH=arm
8172     TARGET_SYSTBL_ABI=common,oabi
8173     bflt="yes"
8174     mttcg="yes"
8175     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8176   ;;
8177   aarch64|aarch64_be)
8178     TARGET_ARCH=aarch64
8179     TARGET_BASE_ARCH=arm
8180     bflt="yes"
8181     mttcg="yes"
8182     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8183   ;;
8184   avr)
8185     gdb_xml_files="avr-cpu.xml"
8186     target_compiler=$cross_cc_avr
8187   ;;
8188   cris)
8189   ;;
8190   hppa)
8191     mttcg="yes"
8192     TARGET_SYSTBL_ABI=common,32
8193   ;;
8194   lm32)
8195   ;;
8196   m68k)
8197     bflt="yes"
8198     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8199     TARGET_SYSTBL_ABI=common
8200   ;;
8201   microblaze|microblazeel)
8202     TARGET_ARCH=microblaze
8203     TARGET_SYSTBL_ABI=common
8204     bflt="yes"
8205     echo "TARGET_ABI32=y" >> $config_target_mak
8206   ;;
8207   mips|mipsel)
8208     mttcg="yes"
8209     TARGET_ARCH=mips
8210     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8211     TARGET_SYSTBL_ABI=o32
8212   ;;
8213   mipsn32|mipsn32el)
8214     mttcg="yes"
8215     TARGET_ARCH=mips64
8216     TARGET_BASE_ARCH=mips
8217     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8218     echo "TARGET_ABI32=y" >> $config_target_mak
8219     TARGET_SYSTBL_ABI=n32
8220   ;;
8221   mips64|mips64el)
8222     mttcg="no"
8223     TARGET_ARCH=mips64
8224     TARGET_BASE_ARCH=mips
8225     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8226     TARGET_SYSTBL_ABI=n64
8227   ;;
8228   moxie)
8229   ;;
8230   nios2)
8231   ;;
8232   or1k)
8233     TARGET_ARCH=openrisc
8234     TARGET_BASE_ARCH=openrisc
8235   ;;
8236   ppc)
8237     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8238     TARGET_SYSTBL_ABI=common,nospu,32
8239   ;;
8240   ppc64)
8241     TARGET_BASE_ARCH=ppc
8242     TARGET_ABI_DIR=ppc
8243     TARGET_SYSTBL_ABI=common,nospu,64
8244     mttcg=yes
8245     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8246   ;;
8247   ppc64le)
8248     TARGET_ARCH=ppc64
8249     TARGET_BASE_ARCH=ppc
8250     TARGET_ABI_DIR=ppc
8251     TARGET_SYSTBL_ABI=common,nospu,64
8252     mttcg=yes
8253     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8254   ;;
8255   ppc64abi32)
8256     TARGET_ARCH=ppc64
8257     TARGET_BASE_ARCH=ppc
8258     TARGET_ABI_DIR=ppc
8259     TARGET_SYSTBL_ABI=common,nospu,32
8260     echo "TARGET_ABI32=y" >> $config_target_mak
8261     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8262   ;;
8263   riscv32)
8264     TARGET_BASE_ARCH=riscv
8265     TARGET_ABI_DIR=riscv
8266     mttcg=yes
8267     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8268   ;;
8269   riscv64)
8270     TARGET_BASE_ARCH=riscv
8271     TARGET_ABI_DIR=riscv
8272     mttcg=yes
8273     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8274   ;;
8275   rx)
8276     TARGET_ARCH=rx
8277     bflt="yes"
8278     target_compiler=$cross_cc_rx
8279     gdb_xml_files="rx-core.xml"
8280   ;;
8281   sh4|sh4eb)
8282     TARGET_ARCH=sh4
8283     TARGET_SYSTBL_ABI=common
8284     bflt="yes"
8285   ;;
8286   sparc)
8287     TARGET_SYSTBL_ABI=common,32
8288   ;;
8289   sparc64)
8290     TARGET_BASE_ARCH=sparc
8291     TARGET_SYSTBL_ABI=common,64
8292   ;;
8293   sparc32plus)
8294     TARGET_ARCH=sparc64
8295     TARGET_BASE_ARCH=sparc
8296     TARGET_ABI_DIR=sparc
8297     TARGET_SYSTBL_ABI=common,32
8298     echo "TARGET_ABI32=y" >> $config_target_mak
8299   ;;
8300   s390x)
8301     TARGET_SYSTBL_ABI=common,64
8302     mttcg=yes
8303     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8304   ;;
8305   tilegx)
8306   ;;
8307   tricore)
8308   ;;
8309   unicore32)
8310   ;;
8311   xtensa|xtensaeb)
8312     TARGET_ARCH=xtensa
8313     TARGET_SYSTBL_ABI=common
8314     bflt="yes"
8315     mttcg="yes"
8316   ;;
8317   *)
8318     error_exit "Unsupported target CPU"
8319   ;;
8320 esac
8321 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8322 if [ "$TARGET_BASE_ARCH" = "" ]; then
8323   TARGET_BASE_ARCH=$TARGET_ARCH
8324 fi
8325
8326 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8327
8328 upper() {
8329     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8330 }
8331
8332 target_arch_name="$(upper $TARGET_ARCH)"
8333 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8334 echo "TARGET_NAME=$target_name" >> $config_target_mak
8335 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8336 if [ "$TARGET_ABI_DIR" = "" ]; then
8337   TARGET_ABI_DIR=$TARGET_ARCH
8338 fi
8339 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8340 if [ "$HOST_VARIANT_DIR" != "" ]; then
8341     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8342 fi
8343 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8344     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8345 fi
8346
8347 if supported_xen_target $target; then
8348     echo "CONFIG_XEN=y" >> $config_target_mak
8349     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8350     if test "$xen_pci_passthrough" = yes; then
8351         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8352     fi
8353 else
8354     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8355 fi
8356 if supported_kvm_target $target; then
8357     echo "CONFIG_KVM=y" >> $config_target_mak
8358     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8359 else
8360     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8361 fi
8362 if supported_hax_target $target; then
8363     echo "CONFIG_HAX=y" >> $config_target_mak
8364 fi
8365 if supported_hvf_target $target; then
8366     echo "CONFIG_HVF=y" >> $config_target_mak
8367 fi
8368 if supported_whpx_target $target; then
8369     echo "CONFIG_WHPX=y" >> $config_target_mak
8370 fi
8371 if test "$target_aligned_only" = "yes" ; then
8372   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8373 fi
8374 if test "$target_bigendian" = "yes" ; then
8375   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8376 fi
8377 if test "$target_softmmu" = "yes" ; then
8378   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8379   if test "$mttcg" = "yes" ; then
8380     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8381   fi
8382 fi
8383 if test "$target_user_only" = "yes" ; then
8384   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8385   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8386 fi
8387 if test "$target_linux_user" = "yes" ; then
8388   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8389 fi
8390 list=""
8391 if test ! -z "$gdb_xml_files" ; then
8392   for x in $gdb_xml_files; do
8393     list="$list $source_path/gdb-xml/$x"
8394   done
8395   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8396 fi
8397
8398 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8399   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8400 fi
8401 if test "$target_bsd_user" = "yes" ; then
8402   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8403 fi
8404
8405
8406 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8407
8408 cflags=""
8409 ldflags=""
8410
8411 disas_config() {
8412   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8413   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8414 }
8415
8416 for i in $ARCH $TARGET_BASE_ARCH ; do
8417   case "$i" in
8418   alpha)
8419     disas_config "ALPHA"
8420   ;;
8421   aarch64)
8422     if test -n "${cxx}"; then
8423       disas_config "ARM_A64"
8424     fi
8425   ;;
8426   arm)
8427     disas_config "ARM"
8428     if test -n "${cxx}"; then
8429       disas_config "ARM_A64"
8430     fi
8431   ;;
8432   avr)
8433     disas_config "AVR"
8434   ;;
8435   cris)
8436     disas_config "CRIS"
8437   ;;
8438   hppa)
8439     disas_config "HPPA"
8440   ;;
8441   i386|x86_64|x32)
8442     disas_config "I386"
8443   ;;
8444   lm32)
8445     disas_config "LM32"
8446   ;;
8447   m68k)
8448     disas_config "M68K"
8449   ;;
8450   microblaze*)
8451     disas_config "MICROBLAZE"
8452   ;;
8453   mips*)
8454     disas_config "MIPS"
8455     if test -n "${cxx}"; then
8456       disas_config "NANOMIPS"
8457     fi
8458   ;;
8459   moxie*)
8460     disas_config "MOXIE"
8461   ;;
8462   nios2)
8463     disas_config "NIOS2"
8464   ;;
8465   or1k)
8466     disas_config "OPENRISC"
8467   ;;
8468   ppc*)
8469     disas_config "PPC"
8470   ;;
8471   riscv*)
8472     disas_config "RISCV"
8473   ;;
8474   rx)
8475     disas_config "RX"
8476   ;;
8477   s390*)
8478     disas_config "S390"
8479   ;;
8480   sh4)
8481     disas_config "SH4"
8482   ;;
8483   sparc*)
8484     disas_config "SPARC"
8485   ;;
8486   xtensa*)
8487     disas_config "XTENSA"
8488   ;;
8489   esac
8490 done
8491 if test "$tcg_interpreter" = "yes" ; then
8492   disas_config "TCI"
8493 fi
8494
8495 case "$ARCH" in
8496 alpha)
8497   # Ensure there's only a single GP
8498   cflags="-msmall-data $cflags"
8499 ;;
8500 esac
8501
8502 if test "$gprof" = "yes" ; then
8503   if test "$target_linux_user" = "yes" ; then
8504     cflags="-p $cflags"
8505     ldflags="-p $ldflags"
8506   fi
8507   if test "$target_softmmu" = "yes" ; then
8508     ldflags="-p $ldflags"
8509     echo "GPROF_CFLAGS=-p" >> $config_target_mak
8510   fi
8511 fi
8512
8513 # Newer kernels on s390 check for an S390_PGSTE program header and
8514 # enable the pgste page table extensions in that case. This makes
8515 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8516 # header if
8517 #  - we build on s390x
8518 #  - we build the system emulation for s390x (qemu-system-s390x)
8519 #  - KVM is enabled
8520 #  - the linker supports --s390-pgste
8521 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8522         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8523     if ld_has --s390-pgste ; then
8524         ldflags="-Wl,--s390-pgste $ldflags"
8525     fi
8526 fi
8527
8528 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8529 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8530
8531 done # for target in $targets
8532
8533 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8534 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8535
8536 if [ "$fdt" = "git" ]; then
8537   echo "config-host.h: dtc/all" >> $config_host_mak
8538 fi
8539 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8540   echo "config-host.h: capstone/all" >> $config_host_mak
8541 fi
8542 if test -n "$LIBCAPSTONE"; then
8543   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8544 fi
8545
8546 if test "$numa" = "yes"; then
8547   echo "CONFIG_NUMA=y" >> $config_host_mak
8548 fi
8549
8550 if test "$ccache_cpp2" = "yes"; then
8551   echo "export CCACHE_CPP2=y" >> $config_host_mak
8552 fi
8553
8554 if test "$safe_stack" = "yes"; then
8555   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8556 fi
8557
8558 # If we're using a separate build tree, set it up now.
8559 # DIRS are directories which we simply mkdir in the build tree;
8560 # LINKS are things to symlink back into the source tree
8561 # (these can be both files and directories).
8562 # Caution: do not add files or directories here using wildcards. This
8563 # will result in problems later if a new file matching the wildcard is
8564 # added to the source tree -- nothing will cause configure to be rerun
8565 # so the build tree will be missing the link back to the new file, and
8566 # tests might fail. Prefer to keep the relevant files in their own
8567 # directory and symlink the directory instead.
8568 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8569 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8570 DIRS="$DIRS docs docs/interop fsdev scsi"
8571 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8572 DIRS="$DIRS roms/seabios"
8573 LINKS="Makefile"
8574 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8575 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8576 LINKS="$LINKS tests/plugin/Makefile"
8577 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8578 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8579 LINKS="$LINKS roms/seabios/Makefile"
8580 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8581 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8582 LINKS="$LINKS tests/acceptance tests/data"
8583 LINKS="$LINKS tests/qemu-iotests/check"
8584 LINKS="$LINKS python"
8585 for bios_file in \
8586     $source_path/pc-bios/*.bin \
8587     $source_path/pc-bios/*.lid \
8588     $source_path/pc-bios/*.rom \
8589     $source_path/pc-bios/*.dtb \
8590     $source_path/pc-bios/*.img \
8591     $source_path/pc-bios/openbios-* \
8592     $source_path/pc-bios/u-boot.* \
8593     $source_path/pc-bios/edk2-*.fd.bz2 \
8594     $source_path/pc-bios/palcode-*
8595 do
8596     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8597 done
8598 mkdir -p $DIRS
8599 for f in $LINKS ; do
8600     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8601         symlink "$source_path/$f" "$f"
8602     fi
8603 done
8604
8605 (for i in $cross_cc_vars; do
8606   export $i
8607 done
8608 export target_list source_path use_containers
8609 $source_path/tests/tcg/configure.sh)
8610
8611 # temporary config to build submodules
8612 for rom in seabios; do
8613     config_mak=roms/$rom/config.mak
8614     echo "# Automatically generated by configure - do not modify" > $config_mak
8615     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8616     echo "AS=$as" >> $config_mak
8617     echo "CCAS=$ccas" >> $config_mak
8618     echo "CC=$cc" >> $config_mak
8619     echo "BCC=bcc" >> $config_mak
8620     echo "CPP=$cpp" >> $config_mak
8621     echo "OBJCOPY=objcopy" >> $config_mak
8622     echo "IASL=$iasl" >> $config_mak
8623     echo "LD=$ld" >> $config_mak
8624     echo "RANLIB=$ranlib" >> $config_mak
8625 done
8626
8627 # set up qemu-iotests in this build directory
8628 iotests_common_env="tests/qemu-iotests/common.env"
8629
8630 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8631 echo >> "$iotests_common_env"
8632 echo "export PYTHON='$python'" >> "$iotests_common_env"
8633
8634 # Save the configure command line for later reuse.
8635 cat <<EOD >config.status
8636 #!/bin/sh
8637 # Generated by configure.
8638 # Run this file to recreate the current configuration.
8639 # Compiler output produced by configure, useful for debugging
8640 # configure, is in config.log if it exists.
8641 EOD
8642
8643 preserve_env() {
8644     envname=$1
8645
8646     eval envval=\$$envname
8647
8648     if test -n "$envval"
8649     then
8650         echo "$envname='$envval'" >> config.status
8651         echo "export $envname" >> config.status
8652     else
8653         echo "unset $envname" >> config.status
8654     fi
8655 }
8656
8657 # Preserve various env variables that influence what
8658 # features/build target configure will detect
8659 preserve_env AR
8660 preserve_env AS
8661 preserve_env CC
8662 preserve_env CPP
8663 preserve_env CXX
8664 preserve_env INSTALL
8665 preserve_env LD
8666 preserve_env LD_LIBRARY_PATH
8667 preserve_env LIBTOOL
8668 preserve_env MAKE
8669 preserve_env NM
8670 preserve_env OBJCOPY
8671 preserve_env PATH
8672 preserve_env PKG_CONFIG
8673 preserve_env PKG_CONFIG_LIBDIR
8674 preserve_env PKG_CONFIG_PATH
8675 preserve_env PYTHON
8676 preserve_env SDL2_CONFIG
8677 preserve_env SMBD
8678 preserve_env STRIP
8679 preserve_env WINDRES
8680
8681 printf "exec" >>config.status
8682 printf " '%s'" "$0" "$@" >>config.status
8683 echo ' "$@"' >>config.status
8684 chmod +x config.status
8685
8686 rm -r "$TMPDIR1"