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