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