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}:$cpu" in
 198         arm:arm | aarch64:aarch64 | \
 199         i386:i386 | i386:x86_64 | i386:x32 | \
 200         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 201         mips:mips | mipsel:mips | \
 202         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 203         s390x:s390x)
 204             return 0
 205         ;;
 206     esac
 207     return 1
 208 }
 209
 210 supported_xen_target() {
 211     test "$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" "$PWD" | grep -q "[[:space:]:]";
 284 then
 285   error_exit "main directory cannot contain spaces nor colons"
 286 fi
 287
 288 # default parameters
 289 cpu=""
 290 iasl="iasl"
 291 interp_prefix="/usr/gnemul/qemu-%M"
 292 static="no"
 293 cross_prefix=""
 294 audio_drv_list=""
 295 block_drv_rw_whitelist=""
 296 block_drv_ro_whitelist=""
 297 host_cc="cc"
 298 libs_cpu=""
 299 libs_softmmu=""
 300 libs_tools=""
 301 audio_win_int=""
 302 libs_qga=""
 303 debug_info="yes"
 304 stack_protector=""
 305 use_containers="yes"
 306
 307 if test -e "$source_path/.git"
 308 then
 309     git_update=yes
 310     git_submodules="ui/keycodemapdb"
 311     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 312     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 313 else
 314     git_update=no
 315     git_submodules=""
 316
 317     if ! test -f "$source_path/ui/keycodemapdb/README"
 318     then
 319         echo
 320         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 321         echo
 322         echo "This is not a GIT checkout but module content appears to"
 323         echo "be missing. Do not use 'git archive' or GitHub download links"
 324         echo "to acquire QEMU source archives. Non-GIT builds are only"
 325         echo "supported with source archives linked from:"
 326         echo
 327         echo "  https://www.qemu.org/download/#source"
 328         echo
 329         echo "Developers working with GIT can use scripts/archive-source.sh"
 330         echo "if they need to create valid source archives."
 331         echo
 332         exit 1
 333     fi
 334 fi
 335 git="git"
 336
 337 # Don't accept a target_list environment variable.
 338 unset target_list
 339 unset target_list_exclude
 340
 341 # Default value for a variable defining feature "foo".
 342 #  * foo="no"  feature will only be used if --enable-foo arg is given
 343 #  * foo=""    feature will be searched for, and if found, will be used
 344 #              unless --disable-foo is given
 345 #  * foo="yes" this value will only be set by --enable-foo flag.
 346 #              feature will searched for,
 347 #              if not found, configure exits with error
 348 #
 349 # Always add --enable-foo and --disable-foo command line args.
 350 # Distributions want to ensure that several features are compiled in, and it
 351 # is impossible without a --enable-foo that exits if a feature is not found.
 352
 353 brlapi=""
 354 curl=""
 355 curses=""
 356 docs=""
 357 fdt=""
 358 netmap="no"
 359 sdl=""
 360 sdl_image=""
 361 virtfs=""
 362 mpath=""
 363 vnc="yes"
 364 sparse="no"
 365 vde=""
 366 vnc_sasl=""
 367 vnc_jpeg=""
 368 vnc_png=""
 369 xkbcommon=""
 370 xen=""
 371 xen_ctrl_version=""
 372 xen_pci_passthrough=""
 373 linux_aio=""
 374 linux_io_uring=""
 375 cap_ng=""
 376 attr=""
 377 libattr=""
 378 xfs=""
 379 tcg="yes"
 380 membarrier=""
 381 vhost_net=""
 382 vhost_crypto=""
 383 vhost_scsi=""
 384 vhost_vsock=""
 385 vhost_user=""
 386 vhost_user_fs=""
 387 kvm="no"
 388 hax="no"
 389 hvf="no"
 390 whpx="no"
 391 rdma=""
 392 pvrdma=""
 393 gprof="no"
 394 debug_tcg="no"
 395 debug="no"
 396 sanitizers="no"
 397 fortify_source=""
 398 strip_opt="yes"
 399 tcg_interpreter="no"
 400 bigendian="no"
 401 mingw32="no"
 402 gcov="no"
 403 gcov_tool="gcov"
 404 EXESUF=""
 405 DSOSUF=".so"
 406 LDFLAGS_SHARED="-shared"
 407 modules="no"
 408 module_upgrades="no"
 409 prefix="/usr/local"
 410 mandir="\${prefix}/share/man"
 411 datadir="\${prefix}/share"
 412 firmwarepath="\${prefix}/share/qemu-firmware"
 413 qemu_docdir="\${prefix}/share/doc/qemu"
 414 bindir="\${prefix}/bin"
 415 libdir="\${prefix}/lib"
 416 libexecdir="\${prefix}/libexec"
 417 includedir="\${prefix}/include"
 418 sysconfdir="\${prefix}/etc"
 419 local_statedir="\${prefix}/var"
 420 confsuffix="/qemu"
 421 slirp=""
 422 oss_lib=""
 423 bsd="no"
 424 linux="no"
 425 solaris="no"
 426 profiler="no"
 427 cocoa="no"
 428 softmmu="yes"
 429 linux_user="no"
 430 bsd_user="no"
 431 blobs="yes"
 432 edk2_blobs="no"
 433 pkgversion=""
 434 pie=""
 435 qom_cast_debug="yes"
 436 trace_backends="log"
 437 trace_file="trace"
 438 spice=""
 439 rbd=""
 440 smartcard=""
 441 libusb=""
 442 usb_redir=""
 443 opengl=""
 444 opengl_dmabuf="no"
 445 cpuid_h="no"
 446 avx2_opt=""
 447 zlib="yes"
 448 capstone=""
 449 lzo=""
 450 snappy=""
 451 bzip2=""
 452 lzfse=""
 453 zstd=""
 454 guest_agent=""
 455 guest_agent_with_vss="no"
 456 guest_agent_ntddscsi="no"
 457 guest_agent_msi=""
 458 vss_win32_sdk=""
 459 win_sdk="no"
 460 want_tools=""
 461 libiscsi=""
 462 libnfs=""
 463 coroutine=""
 464 coroutine_pool=""
 465 debug_stack_usage="no"
 466 crypto_afalg="no"
 467 seccomp=""
 468 glusterfs=""
 469 glusterfs_xlator_opt="no"
 470 glusterfs_discard="no"
 471 glusterfs_fallocate="no"
 472 glusterfs_zerofill="no"
 473 glusterfs_ftruncate_has_stat="no"
 474 glusterfs_iocb_has_stat="no"
 475 gtk=""
 476 gtk_gl="no"
 477 tls_priority="NORMAL"
 478 gnutls=""
 479 nettle=""
 480 nettle_xts="no"
 481 gcrypt=""
 482 gcrypt_hmac="no"
 483 gcrypt_xts="no"
 484 qemu_private_xts="yes"
 485 auth_pam=""
 486 vte=""
 487 virglrenderer=""
 488 tpm=""
 489 libssh=""
 490 live_block_migration="yes"
 491 numa=""
 492 tcmalloc="no"
 493 jemalloc="no"
 494 replication="yes"
 495 vxhs=""
 496 bochs="yes"
 497 cloop="yes"
 498 dmg="yes"
 499 qcow1="yes"
 500 vdi="yes"
 501 vvfat="yes"
 502 qed="yes"
 503 parallels="yes"
 504 sheepdog="yes"
 505 libxml2=""
 506 debug_mutex="no"
 507 libpmem=""
 508 default_devices="yes"
 509 plugins="no"
 510 fuzzing="no"
 511
 512 supported_cpu="no"
 513 supported_os="no"
 514 bogus_os="no"
 515 malloc_trim=""
 516
 517 # parse CC options first
 518 for opt do
 519   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 520   case "$opt" in
 521   --cross-prefix=*) cross_prefix="$optarg"
 522   ;;
 523   --cc=*) CC="$optarg"
 524   ;;
 525   --cxx=*) CXX="$optarg"
 526   ;;
 527   --cpu=*) cpu="$optarg"
 528   ;;
 529   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 530                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 531   ;;
 532   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 533   ;;
 534   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 535                      EXTRA_LDFLAGS="$optarg"
 536   ;;
 537   --enable-debug-info) debug_info="yes"
 538   ;;
 539   --disable-debug-info) debug_info="no"
 540   ;;
 541   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 542   ;;
 543   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 544                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 545                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 546   ;;
 547   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 548                 cc_archs="$cc_archs $cc_arch"
 549                 eval "cross_cc_${cc_arch}=\$optarg"
 550                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 551   ;;
 552   esac
 553 done
 554 # OS specific
 555 # Using uname is really, really broken.  Once we have the right set of checks
 556 # we can eliminate its usage altogether.
 557
 558 # Preferred compiler:
 559 #  ${CC} (if set)
 560 #  ${cross_prefix}gcc (if cross-prefix specified)
 561 #  system compiler
 562 if test -z "${CC}${cross_prefix}"; then
 563   cc="$host_cc"
 564 else
 565   cc="${CC-${cross_prefix}gcc}"
 566 fi
 567
 568 if test -z "${CXX}${cross_prefix}"; then
 569   cxx="c++"
 570 else
 571   cxx="${CXX-${cross_prefix}g++}"
 572 fi
 573
 574 ar="${AR-${cross_prefix}ar}"
 575 as="${AS-${cross_prefix}as}"
 576 ccas="${CCAS-$cc}"
 577 cpp="${CPP-$cc -E}"
 578 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 579 ld="${LD-${cross_prefix}ld}"
 580 ranlib="${RANLIB-${cross_prefix}ranlib}"
 581 nm="${NM-${cross_prefix}nm}"
 582 strip="${STRIP-${cross_prefix}strip}"
 583 windres="${WINDRES-${cross_prefix}windres}"
 584 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 585 query_pkg_config() {
 586     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 587 }
 588 pkg_config=query_pkg_config
 589 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 590
 591 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 592 ARFLAGS="${ARFLAGS-rv}"
 593
 594 # default flags for all hosts
 595 # We use -fwrapv to tell the compiler that we require a C dialect where
 596 # left shift of signed integers is well defined and has the expected
 597 # 2s-complement style results. (Both clang and gcc agree that it
 598 # provides these semantics.)
 599 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 600 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 601 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 602 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 603 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 604 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 605 if test "$debug_info" = "yes"; then
 606     CFLAGS="-g $CFLAGS"
 607 fi
 608
 609 # running configure in the source tree?
 610 # we know that's the case if configure is there.
 611 if test -f "./configure"; then
 612     pwd_is_source_path="y"
 613 else
 614     pwd_is_source_path="n"
 615 fi
 616
 617 check_define() {
 618 cat > $TMPC <<EOF
 619 #if !defined($1)
 620 #error $1 not defined
 621 #endif
 622 int main(void) { return 0; }
 623 EOF
 624   compile_object
 625 }
 626
 627 check_include() {
 628 cat > $TMPC <<EOF
 629 #include <$1>
 630 int main(void) { return 0; }
 631 EOF
 632   compile_object
 633 }
 634
 635 write_c_skeleton() {
 636     cat > $TMPC <<EOF
 637 int main(void) { return 0; }
 638 EOF
 639 }
 640
 641 write_c_fuzzer_skeleton() {
 642     cat > $TMPC <<EOF
 643 #include <stdint.h>
 644 #include <sys/types.h>
 645 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 646 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 647 EOF
 648 }
 649
 650 if check_define __linux__ ; then
 651   targetos="Linux"
 652 elif check_define _WIN32 ; then
 653   targetos='MINGW32'
 654 elif check_define __OpenBSD__ ; then
 655   targetos='OpenBSD'
 656 elif check_define __sun__ ; then
 657   targetos='SunOS'
 658 elif check_define __HAIKU__ ; then
 659   targetos='Haiku'
 660 elif check_define __FreeBSD__ ; then
 661   targetos='FreeBSD'
 662 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 663   targetos='GNU/kFreeBSD'
 664 elif check_define __DragonFly__ ; then
 665   targetos='DragonFly'
 666 elif check_define __NetBSD__; then
 667   targetos='NetBSD'
 668 elif check_define __APPLE__; then
 669   targetos='Darwin'
 670 else
 671   # This is a fatal error, but don't report it yet, because we
 672   # might be going to just print the --help text, or it might
 673   # be the result of a missing compiler.
 674   targetos='bogus'
 675   bogus_os='yes'
 676 fi
 677
 678 # Some host OSes need non-standard checks for which CPU to use.
 679 # Note that these checks are broken for cross-compilation: if you're
 680 # cross-compiling to one of these OSes then you'll need to specify
 681 # the correct CPU with the --cpu option.
 682 case $targetos in
 683 Darwin)
 684   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 685   # run 64-bit userspace code.
 686   # If the user didn't specify a CPU explicitly and the kernel says this is
 687   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 688   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 689     cpu="x86_64"
 690   fi
 691   ;;
 692 SunOS)
 693   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 694   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 695     cpu="x86_64"
 696   fi
 697 esac
 698
 699 if test ! -z "$cpu" ; then
 700   # command line argument
 701   :
 702 elif check_define __i386__ ; then
 703   cpu="i386"
 704 elif check_define __x86_64__ ; then
 705   if check_define __ILP32__ ; then
 706     cpu="x32"
 707   else
 708     cpu="x86_64"
 709   fi
 710 elif check_define __sparc__ ; then
 711   if check_define __arch64__ ; then
 712     cpu="sparc64"
 713   else
 714     cpu="sparc"
 715   fi
 716 elif check_define _ARCH_PPC ; then
 717   if check_define _ARCH_PPC64 ; then
 718     if check_define _LITTLE_ENDIAN ; then
 719       cpu="ppc64le"
 720     else
 721       cpu="ppc64"
 722     fi
 723   else
 724     cpu="ppc"
 725   fi
 726 elif check_define __mips__ ; then
 727   cpu="mips"
 728 elif check_define __s390__ ; then
 729   if check_define __s390x__ ; then
 730     cpu="s390x"
 731   else
 732     cpu="s390"
 733   fi
 734 elif check_define __riscv ; then
 735   if check_define _LP64 ; then
 736     cpu="riscv64"
 737   else
 738     cpu="riscv32"
 739   fi
 740 elif check_define __arm__ ; then
 741   cpu="arm"
 742 elif check_define __aarch64__ ; then
 743   cpu="aarch64"
 744 else
 745   cpu=$(uname -m)
 746 fi
 747
 748 ARCH=
 749 # Normalise host CPU name and set ARCH.
 750 # Note that this case should only have supported host CPUs, not guests.
 751 case "$cpu" in
 752   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 753     supported_cpu="yes"
 754   ;;
 755   ppc64le)
 756     ARCH="ppc64"
 757     supported_cpu="yes"
 758   ;;
 759   i386|i486|i586|i686|i86pc|BePC)
 760     cpu="i386"
 761     supported_cpu="yes"
 762   ;;
 763   x86_64|amd64)
 764     cpu="x86_64"
 765     supported_cpu="yes"
 766   ;;
 767   armv*b|armv*l|arm)
 768     cpu="arm"
 769     supported_cpu="yes"
 770   ;;
 771   aarch64)
 772     cpu="aarch64"
 773     supported_cpu="yes"
 774   ;;
 775   mips*)
 776     cpu="mips"
 777     supported_cpu="yes"
 778   ;;
 779   sparc|sun4[cdmuv])
 780     cpu="sparc"
 781     supported_cpu="yes"
 782   ;;
 783   *)
 784     # This will result in either an error or falling back to TCI later
 785     ARCH=unknown
 786   ;;
 787 esac
 788 if test -z "$ARCH"; then
 789   ARCH="$cpu"
 790 fi
 791
 792 # OS specific
 793
 794 # host *BSD for user mode
 795 HOST_VARIANT_DIR=""
 796
 797 case $targetos in
 798 MINGW32*)
 799   mingw32="yes"
 800   hax="yes"
 801   vhost_user="no"
 802   audio_possible_drivers="dsound sdl"
 803   if check_include dsound.h; then
 804     audio_drv_list="dsound"
 805   else
 806     audio_drv_list=""
 807   fi
 808   supported_os="yes"
 809 ;;
 810 GNU/kFreeBSD)
 811   bsd="yes"
 812   audio_drv_list="oss try-sdl"
 813   audio_possible_drivers="oss sdl pa"
 814 ;;
 815 FreeBSD)
 816   bsd="yes"
 817   make="${MAKE-gmake}"
 818   audio_drv_list="oss try-sdl"
 819   audio_possible_drivers="oss sdl pa"
 820   # needed for kinfo_getvmmap(3) in libutil.h
 821   LIBS="-lutil $LIBS"
 822   # needed for kinfo_getproc
 823   libs_qga="-lutil $libs_qga"
 824   netmap=""  # enable netmap autodetect
 825   HOST_VARIANT_DIR="freebsd"
 826   supported_os="yes"
 827 ;;
 828 DragonFly)
 829   bsd="yes"
 830   make="${MAKE-gmake}"
 831   audio_drv_list="oss try-sdl"
 832   audio_possible_drivers="oss sdl pa"
 833   HOST_VARIANT_DIR="dragonfly"
 834 ;;
 835 NetBSD)
 836   bsd="yes"
 837   hax="yes"
 838   make="${MAKE-gmake}"
 839   audio_drv_list="oss try-sdl"
 840   audio_possible_drivers="oss sdl"
 841   oss_lib="-lossaudio"
 842   HOST_VARIANT_DIR="netbsd"
 843   supported_os="yes"
 844 ;;
 845 OpenBSD)
 846   bsd="yes"
 847   make="${MAKE-gmake}"
 848   audio_drv_list="try-sdl"
 849   audio_possible_drivers="sdl"
 850   HOST_VARIANT_DIR="openbsd"
 851   supported_os="yes"
 852 ;;
 853 Darwin)
 854   bsd="yes"
 855   darwin="yes"
 856   hax="yes"
 857   hvf="yes"
 858   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 859   if [ "$cpu" = "x86_64" ] ; then
 860     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 861     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 862   fi
 863   cocoa="yes"
 864   audio_drv_list="coreaudio try-sdl"
 865   audio_possible_drivers="coreaudio sdl"
 866   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 867   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 868   # Disable attempts to use ObjectiveC features in os/object.h since they
 869   # won't work when we're compiling with gcc as a C compiler.
 870   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 871   HOST_VARIANT_DIR="darwin"
 872   supported_os="yes"
 873 ;;
 874 SunOS)
 875   solaris="yes"
 876   make="${MAKE-gmake}"
 877   install="${INSTALL-ginstall}"
 878   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 879   if test -f /usr/include/sys/soundcard.h ; then
 880     audio_drv_list="oss try-sdl"
 881   fi
 882   audio_possible_drivers="oss sdl"
 883 # needed for CMSG_ macros in sys/socket.h
 884   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 885 # needed for TIOCWIN* defines in termios.h
 886   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 887   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 888   solarisnetlibs="-lsocket -lnsl -lresolv"
 889   LIBS="$solarisnetlibs $LIBS"
 890   libs_qga="$solarisnetlibs $libs_qga"
 891 ;;
 892 Haiku)
 893   haiku="yes"
 894   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 895   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 896 ;;
 897 Linux)
 898   audio_drv_list="try-pa oss"
 899   audio_possible_drivers="oss alsa sdl pa"
 900   linux="yes"
 901   linux_user="yes"
 902   kvm="yes"
 903   QEMU_INCLUDES="-isystem \$(SRC_PATH)/linux-headers -isystem $PWD/linux-headers $QEMU_INCLUDES"
 904   supported_os="yes"
 905   libudev="yes"
 906 ;;
 907 esac
 908
 909 if [ "$bsd" = "yes" ] ; then
 910   if [ "$darwin" != "yes" ] ; then
 911     bsd_user="yes"
 912   fi
 913 fi
 914
 915 : ${make=${MAKE-make}}
 916 : ${install=${INSTALL-install}}
 917 # We prefer python 3.x. A bare 'python' is traditionally
 918 # python 2.x, but some distros have it as python 3.x, so
 919 # we check that too
 920 python=
 921 for binary in "${PYTHON-python3}" python
 922 do
 923     if has "$binary"
 924     then
 925         python=$(command -v "$binary")
 926         break
 927     fi
 928 done
 929
 930 sphinx_build=
 931 for binary in sphinx-build-3 sphinx-build
 932 do
 933     if has "$binary"
 934     then
 935         sphinx_build=$(command -v "$binary")
 936         break
 937     fi
 938 done
 939
 940 # Check for ancillary tools used in testing
 941 genisoimage=
 942 for binary in genisoimage
 943 do
 944     if has $binary
 945     then
 946         genisoimage=$(command -v "$binary")
 947         break
 948     fi
 949 done
 950
 951 : ${smbd=${SMBD-/usr/sbin/smbd}}
 952
 953 # Default objcc to clang if available, otherwise use CC
 954 if has clang; then
 955   objcc=clang
 956 else
 957   objcc="$cc"
 958 fi
 959
 960 if test "$mingw32" = "yes" ; then
 961   EXESUF=".exe"
 962   DSOSUF=".dll"
 963   # MinGW needs -mthreads for TLS and macro _MT.
 964   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 965   LIBS="-lwinmm -lws2_32 $LIBS"
 966   write_c_skeleton;
 967   if compile_prog "" "-liberty" ; then
 968     LIBS="-liberty $LIBS"
 969   fi
 970   prefix="c:/Program Files/QEMU"
 971   mandir="\${prefix}"
 972   datadir="\${prefix}"
 973   qemu_docdir="\${prefix}"
 974   bindir="\${prefix}"
 975   sysconfdir="\${prefix}"
 976   local_statedir=
 977   confsuffix=""
 978   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 979 fi
 980
 981 werror=""
 982
 983 for opt do
 984   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 985   case "$opt" in
 986   --help|-h) show_help=yes
 987   ;;
 988   --version|-V) exec cat $source_path/VERSION
 989   ;;
 990   --prefix=*) prefix="$optarg"
 991   ;;
 992   --interp-prefix=*) interp_prefix="$optarg"
 993   ;;
 994   --cross-prefix=*)
 995   ;;
 996   --cc=*)
 997   ;;
 998   --host-cc=*) host_cc="$optarg"
 999   ;;
1000   --cxx=*)
1001   ;;
1002   --iasl=*) iasl="$optarg"
1003   ;;
1004   --objcc=*) objcc="$optarg"
1005   ;;
1006   --make=*) make="$optarg"
1007   ;;
1008   --install=*) install="$optarg"
1009   ;;
1010   --python=*) python="$optarg"
1011   ;;
1012   --sphinx-build=*) sphinx_build="$optarg"
1013   ;;
1014   --gcov=*) gcov_tool="$optarg"
1015   ;;
1016   --smbd=*) smbd="$optarg"
1017   ;;
1018   --extra-cflags=*)
1019   ;;
1020   --extra-cxxflags=*)
1021   ;;
1022   --extra-ldflags=*)
1023   ;;
1024   --enable-debug-info)
1025   ;;
1026   --disable-debug-info)
1027   ;;
1028   --cross-cc-*)
1029   ;;
1030   --enable-modules)
1031       modules="yes"
1032   ;;
1033   --disable-modules)
1034       modules="no"
1035   ;;
1036   --disable-module-upgrades) module_upgrades="no"
1037   ;;
1038   --enable-module-upgrades) module_upgrades="yes"
1039   ;;
1040   --cpu=*)
1041   ;;
1042   --target-list=*) target_list="$optarg"
1043                    if test "$target_list_exclude"; then
1044                        error_exit "Can't mix --target-list with --target-list-exclude"
1045                    fi
1046   ;;
1047   --target-list-exclude=*) target_list_exclude="$optarg"
1048                    if test "$target_list"; then
1049                        error_exit "Can't mix --target-list-exclude with --target-list"
1050                    fi
1051   ;;
1052   --enable-trace-backends=*) trace_backends="$optarg"
1053   ;;
1054   # XXX: backwards compatibility
1055   --enable-trace-backend=*) trace_backends="$optarg"
1056   ;;
1057   --with-trace-file=*) trace_file="$optarg"
1058   ;;
1059   --with-default-devices) default_devices="yes"
1060   ;;
1061   --without-default-devices) default_devices="no"
1062   ;;
1063   --enable-gprof) gprof="yes"
1064   ;;
1065   --enable-gcov) gcov="yes"
1066   ;;
1067   --static)
1068     static="yes"
1069     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1070     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1071   ;;
1072   --mandir=*) mandir="$optarg"
1073   ;;
1074   --bindir=*) bindir="$optarg"
1075   ;;
1076   --libdir=*) libdir="$optarg"
1077   ;;
1078   --libexecdir=*) libexecdir="$optarg"
1079   ;;
1080   --includedir=*) includedir="$optarg"
1081   ;;
1082   --datadir=*) datadir="$optarg"
1083   ;;
1084   --with-confsuffix=*) confsuffix="$optarg"
1085   ;;
1086   --docdir=*) qemu_docdir="$optarg"
1087   ;;
1088   --sysconfdir=*) sysconfdir="$optarg"
1089   ;;
1090   --localstatedir=*) local_statedir="$optarg"
1091   ;;
1092   --firmwarepath=*) firmwarepath="$optarg"
1093   ;;
1094   --host=*|--build=*|\
1095   --disable-dependency-tracking|\
1096   --sbindir=*|--sharedstatedir=*|\
1097   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1098   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1099     # These switches are silently ignored, for compatibility with
1100     # autoconf-generated configure scripts. This allows QEMU's
1101     # configure to be used by RPM and similar macros that set
1102     # lots of directory switches by default.
1103   ;;
1104   --disable-sdl) sdl="no"
1105   ;;
1106   --enable-sdl) sdl="yes"
1107   ;;
1108   --disable-sdl-image) sdl_image="no"
1109   ;;
1110   --enable-sdl-image) sdl_image="yes"
1111   ;;
1112   --disable-qom-cast-debug) qom_cast_debug="no"
1113   ;;
1114   --enable-qom-cast-debug) qom_cast_debug="yes"
1115   ;;
1116   --disable-virtfs) virtfs="no"
1117   ;;
1118   --enable-virtfs) virtfs="yes"
1119   ;;
1120   --disable-mpath) mpath="no"
1121   ;;
1122   --enable-mpath) mpath="yes"
1123   ;;
1124   --disable-vnc) vnc="no"
1125   ;;
1126   --enable-vnc) vnc="yes"
1127   ;;
1128   --oss-lib=*) oss_lib="$optarg"
1129   ;;
1130   --audio-drv-list=*) audio_drv_list="$optarg"
1131   ;;
1132   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1133   ;;
1134   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1135   ;;
1136   --enable-debug-tcg) debug_tcg="yes"
1137   ;;
1138   --disable-debug-tcg) debug_tcg="no"
1139   ;;
1140   --enable-debug)
1141       # Enable debugging options that aren't excessively noisy
1142       debug_tcg="yes"
1143       debug_mutex="yes"
1144       debug="yes"
1145       strip_opt="no"
1146       fortify_source="no"
1147   ;;
1148   --enable-sanitizers) sanitizers="yes"
1149   ;;
1150   --disable-sanitizers) sanitizers="no"
1151   ;;
1152   --enable-sparse) sparse="yes"
1153   ;;
1154   --disable-sparse) sparse="no"
1155   ;;
1156   --disable-strip) strip_opt="no"
1157   ;;
1158   --disable-vnc-sasl) vnc_sasl="no"
1159   ;;
1160   --enable-vnc-sasl) vnc_sasl="yes"
1161   ;;
1162   --disable-vnc-jpeg) vnc_jpeg="no"
1163   ;;
1164   --enable-vnc-jpeg) vnc_jpeg="yes"
1165   ;;
1166   --disable-vnc-png) vnc_png="no"
1167   ;;
1168   --enable-vnc-png) vnc_png="yes"
1169   ;;
1170   --disable-slirp) slirp="no"
1171   ;;
1172   --enable-slirp=git) slirp="git"
1173   ;;
1174   --enable-slirp=system) slirp="system"
1175   ;;
1176   --disable-vde) vde="no"
1177   ;;
1178   --enable-vde) vde="yes"
1179   ;;
1180   --disable-netmap) netmap="no"
1181   ;;
1182   --enable-netmap) netmap="yes"
1183   ;;
1184   --disable-xen) xen="no"
1185   ;;
1186   --enable-xen) xen="yes"
1187   ;;
1188   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1189   ;;
1190   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1191   ;;
1192   --disable-brlapi) brlapi="no"
1193   ;;
1194   --enable-brlapi) brlapi="yes"
1195   ;;
1196   --disable-kvm) kvm="no"
1197   ;;
1198   --enable-kvm) kvm="yes"
1199   ;;
1200   --disable-hax) hax="no"
1201   ;;
1202   --enable-hax) hax="yes"
1203   ;;
1204   --disable-hvf) hvf="no"
1205   ;;
1206   --enable-hvf) hvf="yes"
1207   ;;
1208   --disable-whpx) whpx="no"
1209   ;;
1210   --enable-whpx) whpx="yes"
1211   ;;
1212   --disable-tcg-interpreter) tcg_interpreter="no"
1213   ;;
1214   --enable-tcg-interpreter) tcg_interpreter="yes"
1215   ;;
1216   --disable-cap-ng)  cap_ng="no"
1217   ;;
1218   --enable-cap-ng) cap_ng="yes"
1219   ;;
1220   --disable-tcg) tcg="no"
1221   ;;
1222   --enable-tcg) tcg="yes"
1223   ;;
1224   --disable-malloc-trim) malloc_trim="no"
1225   ;;
1226   --enable-malloc-trim) malloc_trim="yes"
1227   ;;
1228   --disable-spice) spice="no"
1229   ;;
1230   --enable-spice) spice="yes"
1231   ;;
1232   --disable-libiscsi) libiscsi="no"
1233   ;;
1234   --enable-libiscsi) libiscsi="yes"
1235   ;;
1236   --disable-libnfs) libnfs="no"
1237   ;;
1238   --enable-libnfs) libnfs="yes"
1239   ;;
1240   --enable-profiler) profiler="yes"
1241   ;;
1242   --disable-cocoa) cocoa="no"
1243   ;;
1244   --enable-cocoa)
1245       cocoa="yes" ;
1246       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1247   ;;
1248   --disable-system) softmmu="no"
1249   ;;
1250   --enable-system) softmmu="yes"
1251   ;;
1252   --disable-user)
1253       linux_user="no" ;
1254       bsd_user="no" ;
1255   ;;
1256   --enable-user) ;;
1257   --disable-linux-user) linux_user="no"
1258   ;;
1259   --enable-linux-user) linux_user="yes"
1260   ;;
1261   --disable-bsd-user) bsd_user="no"
1262   ;;
1263   --enable-bsd-user) bsd_user="yes"
1264   ;;
1265   --enable-pie) pie="yes"
1266   ;;
1267   --disable-pie) pie="no"
1268   ;;
1269   --enable-werror) werror="yes"
1270   ;;
1271   --disable-werror) werror="no"
1272   ;;
1273   --enable-stack-protector) stack_protector="yes"
1274   ;;
1275   --disable-stack-protector) stack_protector="no"
1276   ;;
1277   --disable-curses) curses="no"
1278   ;;
1279   --enable-curses) curses="yes"
1280   ;;
1281   --disable-iconv) iconv="no"
1282   ;;
1283   --enable-iconv) iconv="yes"
1284   ;;
1285   --disable-curl) curl="no"
1286   ;;
1287   --enable-curl) curl="yes"
1288   ;;
1289   --disable-fdt) fdt="no"
1290   ;;
1291   --enable-fdt) fdt="yes"
1292   ;;
1293   --disable-linux-aio) linux_aio="no"
1294   ;;
1295   --enable-linux-aio) linux_aio="yes"
1296   ;;
1297   --disable-linux-io-uring) linux_io_uring="no"
1298   ;;
1299   --enable-linux-io-uring) linux_io_uring="yes"
1300   ;;
1301   --disable-attr) attr="no"
1302   ;;
1303   --enable-attr) attr="yes"
1304   ;;
1305   --disable-membarrier) membarrier="no"
1306   ;;
1307   --enable-membarrier) membarrier="yes"
1308   ;;
1309   --disable-blobs) blobs="no"
1310   ;;
1311   --with-pkgversion=*) pkgversion="$optarg"
1312   ;;
1313   --with-coroutine=*) coroutine="$optarg"
1314   ;;
1315   --disable-coroutine-pool) coroutine_pool="no"
1316   ;;
1317   --enable-coroutine-pool) coroutine_pool="yes"
1318   ;;
1319   --enable-debug-stack-usage) debug_stack_usage="yes"
1320   ;;
1321   --enable-crypto-afalg) crypto_afalg="yes"
1322   ;;
1323   --disable-crypto-afalg) crypto_afalg="no"
1324   ;;
1325   --disable-docs) docs="no"
1326   ;;
1327   --enable-docs) docs="yes"
1328   ;;
1329   --disable-vhost-net) vhost_net="no"
1330   ;;
1331   --enable-vhost-net) vhost_net="yes"
1332   ;;
1333   --disable-vhost-crypto) vhost_crypto="no"
1334   ;;
1335   --enable-vhost-crypto) vhost_crypto="yes"
1336   ;;
1337   --disable-vhost-scsi) vhost_scsi="no"
1338   ;;
1339   --enable-vhost-scsi) vhost_scsi="yes"
1340   ;;
1341   --disable-vhost-vsock) vhost_vsock="no"
1342   ;;
1343   --enable-vhost-vsock) vhost_vsock="yes"
1344   ;;
1345   --disable-vhost-user-fs) vhost_user_fs="no"
1346   ;;
1347   --enable-vhost-user-fs) vhost_user_fs="yes"
1348   ;;
1349   --disable-opengl) opengl="no"
1350   ;;
1351   --enable-opengl) opengl="yes"
1352   ;;
1353   --disable-rbd) rbd="no"
1354   ;;
1355   --enable-rbd) rbd="yes"
1356   ;;
1357   --disable-xfsctl) xfs="no"
1358   ;;
1359   --enable-xfsctl) xfs="yes"
1360   ;;
1361   --disable-smartcard) smartcard="no"
1362   ;;
1363   --enable-smartcard) smartcard="yes"
1364   ;;
1365   --disable-libusb) libusb="no"
1366   ;;
1367   --enable-libusb) libusb="yes"
1368   ;;
1369   --disable-usb-redir) usb_redir="no"
1370   ;;
1371   --enable-usb-redir) usb_redir="yes"
1372   ;;
1373   --disable-zlib-test) zlib="no"
1374   ;;
1375   --disable-lzo) lzo="no"
1376   ;;
1377   --enable-lzo) lzo="yes"
1378   ;;
1379   --disable-snappy) snappy="no"
1380   ;;
1381   --enable-snappy) snappy="yes"
1382   ;;
1383   --disable-bzip2) bzip2="no"
1384   ;;
1385   --enable-bzip2) bzip2="yes"
1386   ;;
1387   --enable-lzfse) lzfse="yes"
1388   ;;
1389   --disable-lzfse) lzfse="no"
1390   ;;
1391   --disable-zstd) zstd="no"
1392   ;;
1393   --enable-zstd) zstd="yes"
1394   ;;
1395   --enable-guest-agent) guest_agent="yes"
1396   ;;
1397   --disable-guest-agent) guest_agent="no"
1398   ;;
1399   --enable-guest-agent-msi) guest_agent_msi="yes"
1400   ;;
1401   --disable-guest-agent-msi) guest_agent_msi="no"
1402   ;;
1403   --with-vss-sdk) vss_win32_sdk=""
1404   ;;
1405   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1406   ;;
1407   --without-vss-sdk) vss_win32_sdk="no"
1408   ;;
1409   --with-win-sdk) win_sdk=""
1410   ;;
1411   --with-win-sdk=*) win_sdk="$optarg"
1412   ;;
1413   --without-win-sdk) win_sdk="no"
1414   ;;
1415   --enable-tools) want_tools="yes"
1416   ;;
1417   --disable-tools) want_tools="no"
1418   ;;
1419   --enable-seccomp) seccomp="yes"
1420   ;;
1421   --disable-seccomp) seccomp="no"
1422   ;;
1423   --disable-glusterfs) glusterfs="no"
1424   ;;
1425   --disable-avx2) avx2_opt="no"
1426   ;;
1427   --enable-avx2) avx2_opt="yes"
1428   ;;
1429   --disable-avx512f) avx512f_opt="no"
1430   ;;
1431   --enable-avx512f) avx512f_opt="yes"
1432   ;;
1433
1434   --enable-glusterfs) glusterfs="yes"
1435   ;;
1436   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1437       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1438   ;;
1439   --enable-vhdx|--disable-vhdx)
1440       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1441   ;;
1442   --enable-uuid|--disable-uuid)
1443       echo "$0: $opt is obsolete, UUID support is always built" >&2
1444   ;;
1445   --disable-gtk) gtk="no"
1446   ;;
1447   --enable-gtk) gtk="yes"
1448   ;;
1449   --tls-priority=*) tls_priority="$optarg"
1450   ;;
1451   --disable-gnutls) gnutls="no"
1452   ;;
1453   --enable-gnutls) gnutls="yes"
1454   ;;
1455   --disable-nettle) nettle="no"
1456   ;;
1457   --enable-nettle) nettle="yes"
1458   ;;
1459   --disable-gcrypt) gcrypt="no"
1460   ;;
1461   --enable-gcrypt) gcrypt="yes"
1462   ;;
1463   --disable-auth-pam) auth_pam="no"
1464   ;;
1465   --enable-auth-pam) auth_pam="yes"
1466   ;;
1467   --enable-rdma) rdma="yes"
1468   ;;
1469   --disable-rdma) rdma="no"
1470   ;;
1471   --enable-pvrdma) pvrdma="yes"
1472   ;;
1473   --disable-pvrdma) pvrdma="no"
1474   ;;
1475   --disable-vte) vte="no"
1476   ;;
1477   --enable-vte) vte="yes"
1478   ;;
1479   --disable-virglrenderer) virglrenderer="no"
1480   ;;
1481   --enable-virglrenderer) virglrenderer="yes"
1482   ;;
1483   --disable-tpm) tpm="no"
1484   ;;
1485   --enable-tpm) tpm="yes"
1486   ;;
1487   --disable-libssh) libssh="no"
1488   ;;
1489   --enable-libssh) libssh="yes"
1490   ;;
1491   --disable-live-block-migration) live_block_migration="no"
1492   ;;
1493   --enable-live-block-migration) live_block_migration="yes"
1494   ;;
1495   --disable-numa) numa="no"
1496   ;;
1497   --enable-numa) numa="yes"
1498   ;;
1499   --disable-libxml2) libxml2="no"
1500   ;;
1501   --enable-libxml2) libxml2="yes"
1502   ;;
1503   --disable-tcmalloc) tcmalloc="no"
1504   ;;
1505   --enable-tcmalloc) tcmalloc="yes"
1506   ;;
1507   --disable-jemalloc) jemalloc="no"
1508   ;;
1509   --enable-jemalloc) jemalloc="yes"
1510   ;;
1511   --disable-replication) replication="no"
1512   ;;
1513   --enable-replication) replication="yes"
1514   ;;
1515   --disable-vxhs) vxhs="no"
1516   ;;
1517   --enable-vxhs) vxhs="yes"
1518   ;;
1519   --disable-bochs) bochs="no"
1520   ;;
1521   --enable-bochs) bochs="yes"
1522   ;;
1523   --disable-cloop) cloop="no"
1524   ;;
1525   --enable-cloop) cloop="yes"
1526   ;;
1527   --disable-dmg) dmg="no"
1528   ;;
1529   --enable-dmg) dmg="yes"
1530   ;;
1531   --disable-qcow1) qcow1="no"
1532   ;;
1533   --enable-qcow1) qcow1="yes"
1534   ;;
1535   --disable-vdi) vdi="no"
1536   ;;
1537   --enable-vdi) vdi="yes"
1538   ;;
1539   --disable-vvfat) vvfat="no"
1540   ;;
1541   --enable-vvfat) vvfat="yes"
1542   ;;
1543   --disable-qed) qed="no"
1544   ;;
1545   --enable-qed) qed="yes"
1546   ;;
1547   --disable-parallels) parallels="no"
1548   ;;
1549   --enable-parallels) parallels="yes"
1550   ;;
1551   --disable-sheepdog) sheepdog="no"
1552   ;;
1553   --enable-sheepdog) sheepdog="yes"
1554   ;;
1555   --disable-vhost-user) vhost_user="no"
1556   ;;
1557   --enable-vhost-user) vhost_user="yes"
1558   ;;
1559   --disable-vhost-kernel) vhost_kernel="no"
1560   ;;
1561   --enable-vhost-kernel) vhost_kernel="yes"
1562   ;;
1563   --disable-capstone) capstone="no"
1564   ;;
1565   --enable-capstone) capstone="yes"
1566   ;;
1567   --enable-capstone=git) capstone="git"
1568   ;;
1569   --enable-capstone=system) capstone="system"
1570   ;;
1571   --with-git=*) git="$optarg"
1572   ;;
1573   --enable-git-update) git_update=yes
1574   ;;
1575   --disable-git-update) git_update=no
1576   ;;
1577   --enable-debug-mutex) debug_mutex=yes
1578   ;;
1579   --disable-debug-mutex) debug_mutex=no
1580   ;;
1581   --enable-libpmem) libpmem=yes
1582   ;;
1583   --disable-libpmem) libpmem=no
1584   ;;
1585   --enable-xkbcommon) xkbcommon=yes
1586   ;;
1587   --disable-xkbcommon) xkbcommon=no
1588   ;;
1589   --enable-plugins) plugins="yes"
1590   ;;
1591   --disable-plugins) plugins="no"
1592   ;;
1593   --enable-containers) use_containers="yes"
1594   ;;
1595   --disable-containers) use_containers="no"
1596   ;;
1597   --enable-fuzzing) fuzzing=yes
1598   ;;
1599   --disable-fuzzing) fuzzing=no
1600   ;;
1601   *)
1602       echo "ERROR: unknown option $opt"
1603       echo "Try '$0 --help' for more information"
1604       exit 1
1605   ;;
1606   esac
1607 done
1608
1609 case "$cpu" in
1610     ppc)
1611            CPU_CFLAGS="-m32"
1612            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1613            ;;
1614     ppc64)
1615            CPU_CFLAGS="-m64"
1616            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1617            ;;
1618     sparc)
1619            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1620            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1621            ;;
1622     sparc64)
1623            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1624            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1625            ;;
1626     s390)
1627            CPU_CFLAGS="-m31"
1628            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1629            ;;
1630     s390x)
1631            CPU_CFLAGS="-m64"
1632            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1633            ;;
1634     i386)
1635            CPU_CFLAGS="-m32"
1636            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1637            ;;
1638     x86_64)
1639            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1640            # If we truly care, we should simply detect this case at
1641            # runtime and generate the fallback to serial emulation.
1642            CPU_CFLAGS="-m64 -mcx16"
1643            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1644            ;;
1645     x32)
1646            CPU_CFLAGS="-mx32"
1647            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1648            ;;
1649     # No special flags required for other host CPUs
1650 esac
1651
1652 eval "cross_cc_${cpu}=\$host_cc"
1653 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1654 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1655
1656 # For user-mode emulation the host arch has to be one we explicitly
1657 # support, even if we're using TCI.
1658 if [ "$ARCH" = "unknown" ]; then
1659   bsd_user="no"
1660   linux_user="no"
1661 fi
1662
1663 default_target_list=""
1664
1665 mak_wilds=""
1666
1667 if [ "$softmmu" = "yes" ]; then
1668     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1669 fi
1670 if [ "$linux_user" = "yes" ]; then
1671     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1672 fi
1673 if [ "$bsd_user" = "yes" ]; then
1674     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1675 fi
1676
1677 if test -z "$target_list_exclude"; then
1678     for config in $mak_wilds; do
1679         default_target_list="${default_target_list} $(basename "$config" .mak)"
1680     done
1681 else
1682     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1683     for config in $mak_wilds; do
1684         target="$(basename "$config" .mak)"
1685         exclude="no"
1686         for excl in $exclude_list; do
1687             if test "$excl" = "$target"; then
1688                 exclude="yes"
1689                 break;
1690             fi
1691         done
1692         if test "$exclude" = "no"; then
1693             default_target_list="${default_target_list} $target"
1694         fi
1695     done
1696 fi
1697
1698 # Enumerate public trace backends for --help output
1699 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1700
1701 if test x"$show_help" = x"yes" ; then
1702 cat << EOF
1703
1704 Usage: configure [options]
1705 Options: [defaults in brackets after descriptions]
1706
1707 Standard options:
1708   --help                   print this message
1709   --prefix=PREFIX          install in PREFIX [$prefix]
1710   --interp-prefix=PREFIX   where to find shared libraries, etc.
1711                            use %M for cpu name [$interp_prefix]
1712   --target-list=LIST       set target list (default: build everything)
1713 $(echo Available targets: $default_target_list | \
1714   fold -s -w 53 | sed -e 's/^/                           /')
1715   --target-list-exclude=LIST exclude a set of targets from the default target-list
1716
1717 Advanced options (experts only):
1718   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1719   --cc=CC                  use C compiler CC [$cc]
1720   --iasl=IASL              use ACPI compiler IASL [$iasl]
1721   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1722                            build time
1723   --cxx=CXX                use C++ compiler CXX [$cxx]
1724   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1725   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1726   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1727   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1728   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1729   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1730   --make=MAKE              use specified make [$make]
1731   --install=INSTALL        use specified install [$install]
1732   --python=PYTHON          use specified python [$python]
1733   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1734   --smbd=SMBD              use specified smbd [$smbd]
1735   --with-git=GIT           use specified git [$git]
1736   --static                 enable static build [$static]
1737   --mandir=PATH            install man pages in PATH
1738   --datadir=PATH           install firmware in PATH$confsuffix
1739   --docdir=PATH            install documentation in PATH$confsuffix
1740   --bindir=PATH            install binaries in PATH
1741   --libdir=PATH            install libraries in PATH
1742   --libexecdir=PATH        install helper binaries in PATH
1743   --sysconfdir=PATH        install config in PATH$confsuffix
1744   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1745   --firmwarepath=PATH      search PATH for firmware files
1746   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1747   --with-pkgversion=VERS   use specified string as sub-version of the package
1748   --enable-debug           enable common debug build options
1749   --enable-sanitizers      enable default sanitizers
1750   --disable-strip          disable stripping binaries
1751   --disable-werror         disable compilation abort on warning
1752   --disable-stack-protector disable compiler-provided stack protection
1753   --audio-drv-list=LIST    set audio drivers list:
1754                            Available drivers: $audio_possible_drivers
1755   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1756   --block-drv-rw-whitelist=L
1757                            set block driver read-write whitelist
1758                            (affects only QEMU, not qemu-img)
1759   --block-drv-ro-whitelist=L
1760                            set block driver read-only whitelist
1761                            (affects only QEMU, not qemu-img)
1762   --enable-trace-backends=B Set trace backend
1763                            Available backends: $trace_backend_list
1764   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1765                            Default:trace-<pid>
1766   --disable-slirp          disable SLIRP userspace network connectivity
1767   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1768   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1769   --oss-lib                path to OSS library
1770   --cpu=CPU                Build for host CPU [$cpu]
1771   --with-coroutine=BACKEND coroutine backend. Supported options:
1772                            ucontext, sigaltstack, windows
1773   --enable-gcov            enable test coverage analysis with gcov
1774   --gcov=GCOV              use specified gcov [$gcov_tool]
1775   --disable-blobs          disable installing provided firmware blobs
1776   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1777   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1778   --tls-priority           default TLS protocol/cipher priority string
1779   --enable-gprof           QEMU profiling with gprof
1780   --enable-profiler        profiler support
1781   --enable-debug-stack-usage
1782                            track the maximum stack usage of stacks created by qemu_alloc_stack
1783   --enable-plugins
1784                            enable plugins via shared library loading
1785   --disable-containers     don't use containers for cross-building
1786
1787 Optional features, enabled with --enable-FEATURE and
1788 disabled with --disable-FEATURE, default is enabled if available:
1789
1790   system          all system emulation targets
1791   user            supported user emulation targets
1792   linux-user      all linux usermode emulation targets
1793   bsd-user        all BSD usermode emulation targets
1794   docs            build documentation
1795   guest-agent     build the QEMU Guest Agent
1796   guest-agent-msi build guest agent Windows MSI installation package
1797   pie             Position Independent Executables
1798   modules         modules support (non-Windows)
1799   module-upgrades try to load modules from alternate paths for upgrades
1800   debug-tcg       TCG debugging (default is disabled)
1801   debug-info      debugging information
1802   sparse          sparse checker
1803
1804   gnutls          GNUTLS cryptography support
1805   nettle          nettle cryptography support
1806   gcrypt          libgcrypt cryptography support
1807   auth-pam        PAM access control
1808   sdl             SDL UI
1809   sdl-image       SDL Image support for icons
1810   gtk             gtk UI
1811   vte             vte support for the gtk UI
1812   curses          curses UI
1813   iconv           font glyph conversion support
1814   vnc             VNC UI support
1815   vnc-sasl        SASL encryption for VNC server
1816   vnc-jpeg        JPEG lossy compression for VNC server
1817   vnc-png         PNG compression for VNC server
1818   cocoa           Cocoa UI (Mac OS X only)
1819   virtfs          VirtFS
1820   mpath           Multipath persistent reservation passthrough
1821   xen             xen backend driver support
1822   xen-pci-passthrough    PCI passthrough support for Xen
1823   brlapi          BrlAPI (Braile)
1824   curl            curl connectivity
1825   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1826   fdt             fdt device tree
1827   kvm             KVM acceleration support
1828   hax             HAX acceleration support
1829   hvf             Hypervisor.framework acceleration support
1830   whpx            Windows Hypervisor Platform acceleration support
1831   rdma            Enable RDMA-based migration
1832   pvrdma          Enable PVRDMA support
1833   vde             support for vde network
1834   netmap          support for netmap network
1835   linux-aio       Linux AIO support
1836   linux-io-uring  Linux io_uring support
1837   cap-ng          libcap-ng support
1838   attr            attr and xattr support
1839   vhost-net       vhost-net kernel acceleration support
1840   vhost-vsock     virtio sockets device support
1841   vhost-scsi      vhost-scsi kernel target support
1842   vhost-crypto    vhost-user-crypto backend support
1843   vhost-kernel    vhost kernel backend support
1844   vhost-user      vhost-user backend support
1845   spice           spice
1846   rbd             rados block device (rbd)
1847   libiscsi        iscsi support
1848   libnfs          nfs support
1849   smartcard       smartcard support (libcacard)
1850   libusb          libusb (for usb passthrough)
1851   live-block-migration   Block migration in the main migration stream
1852   usb-redir       usb network redirection support
1853   lzo             support of lzo compression library
1854   snappy          support of snappy compression library
1855   bzip2           support of bzip2 compression library
1856                   (for reading bzip2-compressed dmg images)
1857   lzfse           support of lzfse compression library
1858                   (for reading lzfse-compressed dmg images)
1859   zstd            support for zstd compression library
1860                   (for migration compression)
1861   seccomp         seccomp support
1862   coroutine-pool  coroutine freelist (better performance)
1863   glusterfs       GlusterFS backend
1864   tpm             TPM support
1865   libssh          ssh block device support
1866   numa            libnuma support
1867   libxml2         for Parallels image format
1868   tcmalloc        tcmalloc support
1869   jemalloc        jemalloc support
1870   avx2            AVX2 optimization support
1871   avx512f         AVX512F optimization support
1872   replication     replication support
1873   opengl          opengl support
1874   virglrenderer   virgl rendering support
1875   xfsctl          xfsctl support
1876   qom-cast-debug  cast debugging support
1877   tools           build qemu-io, qemu-nbd and qemu-img tools
1878   vxhs            Veritas HyperScale vDisk backend support
1879   bochs           bochs image format support
1880   cloop           cloop image format support
1881   dmg             dmg image format support
1882   qcow1           qcow v1 image format support
1883   vdi             vdi image format support
1884   vvfat           vvfat image format support
1885   qed             qed image format support
1886   parallels       parallels image format support
1887   sheepdog        sheepdog block driver support
1888   crypto-afalg    Linux AF_ALG crypto backend driver
1889   capstone        capstone disassembler support
1890   debug-mutex     mutex debugging support
1891   libpmem         libpmem support
1892   xkbcommon       xkbcommon support
1893
1894 NOTE: The object files are built at the place where configure is launched
1895 EOF
1896 exit 0
1897 fi
1898
1899 # Remove old dependency files to make sure that they get properly regenerated
1900 rm -f */config-devices.mak.d
1901
1902 if test -z "$python"
1903 then
1904     error_exit "Python not found. Use --python=/path/to/python"
1905 fi
1906
1907 # Note that if the Python conditional here evaluates True we will exit
1908 # with status 1 which is a shell 'false' value.
1909 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1910   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1911       "Use --python=/path/to/python to specify a supported Python."
1912 fi
1913
1914 # Preserve python version since some functionality is dependent on it
1915 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)
1916
1917 # Suppress writing compiled files
1918 python="$python -B"
1919
1920 # Check that the C compiler works. Doing this here before testing
1921 # the host CPU ensures that we had a valid CC to autodetect the
1922 # $cpu var (and we should bail right here if that's not the case).
1923 # It also allows the help message to be printed without a CC.
1924 write_c_skeleton;
1925 if compile_object ; then
1926   : C compiler works ok
1927 else
1928     error_exit "\"$cc\" either does not exist or does not work"
1929 fi
1930 if ! compile_prog ; then
1931     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1932 fi
1933
1934 # Now we have handled --enable-tcg-interpreter and know we're not just
1935 # printing the help message, bail out if the host CPU isn't supported.
1936 if test "$ARCH" = "unknown"; then
1937     if test "$tcg_interpreter" = "yes" ; then
1938         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1939     else
1940         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1941     fi
1942 fi
1943
1944 # Consult white-list to determine whether to enable werror
1945 # by default.  Only enable by default for git builds
1946 if test -z "$werror" ; then
1947     if test -e "$source_path/.git" && \
1948         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1949         werror="yes"
1950     else
1951         werror="no"
1952     fi
1953 fi
1954
1955 if test "$bogus_os" = "yes"; then
1956     # Now that we know that we're not printing the help and that
1957     # the compiler works (so the results of the check_defines we used
1958     # to identify the OS are reliable), if we didn't recognize the
1959     # host OS we should stop now.
1960     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1961 fi
1962
1963 # Check whether the compiler matches our minimum requirements:
1964 cat > $TMPC << EOF
1965 #if defined(__clang_major__) && defined(__clang_minor__)
1966 # ifdef __apple_build_version__
1967 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1968 #   error You need at least XCode Clang v5.1 to compile QEMU
1969 #  endif
1970 # else
1971 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1972 #   error You need at least Clang v3.4 to compile QEMU
1973 #  endif
1974 # endif
1975 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1976 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1977 #  error You need at least GCC v4.8 to compile QEMU
1978 # endif
1979 #else
1980 # error You either need GCC or Clang to compiler QEMU
1981 #endif
1982 int main (void) { return 0; }
1983 EOF
1984 if ! compile_prog "" "" ; then
1985     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1986 fi
1987
1988 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1989 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1990 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1991 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1992 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1993 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1994 # Note that we do not add -Werror to gcc_flags here, because that would
1995 # enable it for all configure tests. If a configure test failed due
1996 # to -Werror this would just silently disable some features,
1997 # so it's too error prone.
1998
1999 cc_has_warning_flag() {
2000     write_c_skeleton;
2001
2002     # Use the positive sense of the flag when testing for -Wno-wombat
2003     # support (gcc will happily accept the -Wno- form of unknown
2004     # warning options).
2005     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2006     compile_prog "-Werror $optflag" ""
2007 }
2008
2009 for flag in $gcc_flags; do
2010     if cc_has_warning_flag $flag ; then
2011         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2012     fi
2013 done
2014
2015 if test "$stack_protector" != "no"; then
2016   cat > $TMPC << EOF
2017 int main(int argc, char *argv[])
2018 {
2019     char arr[64], *p = arr, *c = argv[0];
2020     while (*c) {
2021         *p++ = *c++;
2022     }
2023     return 0;
2024 }
2025 EOF
2026   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2027   sp_on=0
2028   for flag in $gcc_flags; do
2029     # We need to check both a compile and a link, since some compiler
2030     # setups fail only on a .c->.o compile and some only at link time
2031     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
2032        compile_prog "-Werror $flag" ""; then
2033       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2034       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2035       sp_on=1
2036       break
2037     fi
2038   done
2039   if test "$stack_protector" = yes; then
2040     if test $sp_on = 0; then
2041       error_exit "Stack protector not supported"
2042     fi
2043   fi
2044 fi
2045
2046 # Disable -Wmissing-braces on older compilers that warn even for
2047 # the "universal" C zero initializer {0}.
2048 cat > $TMPC << EOF
2049 struct {
2050   int a[2];
2051 } x = {0};
2052 EOF
2053 if compile_object "-Werror" "" ; then
2054   :
2055 else
2056   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2057 fi
2058
2059 # Our module code doesn't support Windows
2060 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2061   error_exit "Modules are not available for Windows"
2062 fi
2063
2064 # module_upgrades is only reasonable if modules are enabled
2065 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2066   error_exit "Can't enable module-upgrades as Modules are not enabled"
2067 fi
2068
2069 # Static linking is not possible with modules or PIE
2070 if test "$static" = "yes" ; then
2071   if test "$modules" = "yes" ; then
2072     error_exit "static and modules are mutually incompatible"
2073   fi
2074   if test "$pie" = "yes" ; then
2075     error_exit "static and pie are mutually incompatible"
2076   else
2077     pie="no"
2078   fi
2079 fi
2080
2081 # Unconditional check for compiler __thread support
2082   cat > $TMPC << EOF
2083 static __thread int tls_var;
2084 int main(void) { return tls_var; }
2085 EOF
2086
2087 if ! compile_prog "-Werror" "" ; then
2088     error_exit "Your compiler does not support the __thread specifier for " \
2089         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2090 fi
2091
2092 if test "$pie" = ""; then
2093   case "$cpu-$targetos" in
2094     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2095       ;;
2096     *)
2097       pie="no"
2098       ;;
2099   esac
2100 fi
2101
2102 if test "$pie" != "no" ; then
2103   cat > $TMPC << EOF
2104
2105 #ifdef __linux__
2106 #  define THREAD __thread
2107 #else
2108 #  define THREAD
2109 #endif
2110
2111 static THREAD int tls_var;
2112
2113 int main(void) { return tls_var; }
2114
2115 EOF
2116   # check we support --no-pie first...
2117   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2118     CFLAGS_NOPIE="-fno-pie"
2119     LDFLAGS_NOPIE="-nopie"
2120   fi
2121
2122   if compile_prog "-fPIE -DPIE" "-pie"; then
2123     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2124     QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2125     pie="yes"
2126     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2127       QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2128     fi
2129   else
2130     if test "$pie" = "yes"; then
2131       error_exit "PIE not available due to missing toolchain support"
2132     else
2133       echo "Disabling PIE due to missing toolchain support"
2134       pie="no"
2135     fi
2136   fi
2137 fi
2138
2139 ##########################################
2140 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2141 # use i686 as default anyway, but for those that don't, an explicit
2142 # specification is necessary
2143
2144 if test "$cpu" = "i386"; then
2145   cat > $TMPC << EOF
2146 static int sfaa(int *ptr)
2147 {
2148   return __sync_fetch_and_and(ptr, 0);
2149 }
2150
2151 int main(void)
2152 {
2153   int val = 42;
2154   val = __sync_val_compare_and_swap(&val, 0, 1);
2155   sfaa(&val);
2156   return val;
2157 }
2158 EOF
2159   if ! compile_prog "" "" ; then
2160     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2161   fi
2162 fi
2163
2164 #########################################
2165 # Solaris specific configure tool chain decisions
2166
2167 if test "$solaris" = "yes" ; then
2168   if has $install; then
2169     :
2170   else
2171     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2172         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2173         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2174   fi
2175   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2176     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2177         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2178         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2179   fi
2180   if has ar; then
2181     :
2182   else
2183     if test -f /usr/ccs/bin/ar ; then
2184       error_exit "No path includes ar" \
2185           "Add /usr/ccs/bin to your path and rerun configure"
2186     fi
2187     error_exit "No path includes ar"
2188   fi
2189 fi
2190
2191 if test -z "${target_list+xxx}" ; then
2192     for target in $default_target_list; do
2193         supported_target $target 2>/dev/null && \
2194             target_list="$target_list $target"
2195     done
2196     target_list="${target_list# }"
2197 else
2198     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2199     for target in $target_list; do
2200         # Check that we recognised the target name; this allows a more
2201         # friendly error message than if we let it fall through.
2202         case " $default_target_list " in
2203             *" $target "*)
2204                 ;;
2205             *)
2206                 error_exit "Unknown target name '$target'"
2207                 ;;
2208         esac
2209         supported_target $target || exit 1
2210     done
2211 fi
2212
2213 # see if system emulation was really requested
2214 case " $target_list " in
2215   *"-softmmu "*) softmmu=yes
2216   ;;
2217   *) softmmu=no
2218   ;;
2219 esac
2220
2221 for target in $target_list; do
2222   case "$target" in
2223     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2224       edk2_blobs="yes"
2225       ;;
2226   esac
2227 done
2228 # The EDK2 binaries are compressed with bzip2
2229 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2230   error_exit "The bzip2 program is required for building QEMU"
2231 fi
2232
2233 feature_not_found() {
2234   feature=$1
2235   remedy=$2
2236
2237   error_exit "User requested feature $feature" \
2238       "configure was not able to find it." \
2239       "$remedy"
2240 }
2241
2242 # ---
2243 # big/little endian test
2244 cat > $TMPC << EOF
2245 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2246 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2247 extern int foo(short *, short *);
2248 int main(int argc, char *argv[]) {
2249     return foo(big_endian, little_endian);
2250 }
2251 EOF
2252
2253 if compile_object ; then
2254     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2255         bigendian="yes"
2256     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2257         bigendian="no"
2258     else
2259         echo big/little test failed
2260     fi
2261 else
2262     echo big/little test failed
2263 fi
2264
2265 ##########################################
2266 # system tools
2267 if test -z "$want_tools"; then
2268     if test "$softmmu" = "no"; then
2269         want_tools=no
2270     else
2271         want_tools=yes
2272     fi
2273 fi
2274
2275 ##########################################
2276 # cocoa implies not SDL or GTK
2277 # (the cocoa UI code currently assumes it is always the active UI
2278 # and doesn't interact well with other UI frontend code)
2279 if test "$cocoa" = "yes"; then
2280     if test "$sdl" = "yes"; then
2281         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2282     fi
2283     if test "$gtk" = "yes"; then
2284         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2285     fi
2286     gtk=no
2287     sdl=no
2288 fi
2289
2290 # Some versions of Mac OS X incorrectly define SIZE_MAX
2291 cat > $TMPC << EOF
2292 #include <stdint.h>
2293 #include <stdio.h>
2294 int main(int argc, char *argv[]) {
2295     return printf("%zu", SIZE_MAX);
2296 }
2297 EOF
2298 have_broken_size_max=no
2299 if ! compile_object -Werror ; then
2300     have_broken_size_max=yes
2301 fi
2302
2303 ##########################################
2304 # L2TPV3 probe
2305
2306 cat > $TMPC <<EOF
2307 #include <sys/socket.h>
2308 #include <linux/ip.h>
2309 int main(void) { return sizeof(struct mmsghdr); }
2310 EOF
2311 if compile_prog "" "" ; then
2312   l2tpv3=yes
2313 else
2314   l2tpv3=no
2315 fi
2316
2317 #########################################
2318 # vhost interdependencies and host support
2319
2320 # vhost backends
2321 test "$vhost_user" = "" && vhost_user=yes
2322 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2323   error_exit "vhost-user isn't available on win32"
2324 fi
2325 test "$vhost_kernel" = "" && vhost_kernel=$linux
2326 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2327   error_exit "vhost-kernel is only available on Linux"
2328 fi
2329
2330 # vhost-kernel devices
2331 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2332 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2333   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2334 fi
2335 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2336 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2337   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2338 fi
2339
2340 # vhost-user backends
2341 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2342 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2343   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2344 fi
2345 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2346 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2347   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2348 fi
2349 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2350 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2351   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2352 fi
2353
2354 # OR the vhost-kernel and vhost-user values for simplicity
2355 if test "$vhost_net" = ""; then
2356   test "$vhost_net_user" = "yes" && vhost_net=yes
2357   test "$vhost_kernel" = "yes" && vhost_net=yes
2358 fi
2359
2360 ##########################################
2361 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2362
2363 if test "$mingw32" = "yes"; then
2364     # Some versions of MinGW / Mingw-w64 lack localtime_r
2365     # and gmtime_r entirely.
2366     #
2367     # Some versions of Mingw-w64 define a macro for
2368     # localtime_r/gmtime_r.
2369     #
2370     # Some versions of Mingw-w64 will define functions
2371     # for localtime_r/gmtime_r, but only if you have
2372     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2373     # though, unistd.h and pthread.h both define
2374     # that for you.
2375     #
2376     # So this #undef localtime_r and #include <unistd.h>
2377     # are not in fact redundant.
2378 cat > $TMPC << EOF
2379 #include <unistd.h>
2380 #include <time.h>
2381 #undef localtime_r
2382 int main(void) { localtime_r(NULL, NULL); return 0; }
2383 EOF
2384     if compile_prog "" "" ; then
2385         localtime_r="yes"
2386     else
2387         localtime_r="no"
2388     fi
2389 fi
2390
2391 ##########################################
2392 # pkg-config probe
2393
2394 if ! has "$pkg_config_exe"; then
2395   error_exit "pkg-config binary '$pkg_config_exe' not found"
2396 fi
2397
2398 ##########################################
2399 # NPTL probe
2400
2401 if test "$linux_user" = "yes"; then
2402   cat > $TMPC <<EOF
2403 #include <sched.h>
2404 #include <linux/futex.h>
2405 int main(void) {
2406 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2407 #error bork
2408 #endif
2409   return 0;
2410 }
2411 EOF
2412   if ! compile_object ; then
2413     feature_not_found "nptl" "Install glibc and linux kernel headers."
2414   fi
2415 fi
2416
2417 ##########################################
2418 # lzo check
2419
2420 if test "$lzo" != "no" ; then
2421     cat > $TMPC << EOF
2422 #include <lzo/lzo1x.h>
2423 int main(void) { lzo_version(); return 0; }
2424 EOF
2425     if compile_prog "" "-llzo2" ; then
2426         libs_softmmu="$libs_softmmu -llzo2"
2427         lzo="yes"
2428     else
2429         if test "$lzo" = "yes"; then
2430             feature_not_found "liblzo2" "Install liblzo2 devel"
2431         fi
2432         lzo="no"
2433     fi
2434 fi
2435
2436 ##########################################
2437 # snappy check
2438
2439 if test "$snappy" != "no" ; then
2440     cat > $TMPC << EOF
2441 #include <snappy-c.h>
2442 int main(void) { snappy_max_compressed_length(4096); return 0; }
2443 EOF
2444     if compile_prog "" "-lsnappy" ; then
2445         libs_softmmu="$libs_softmmu -lsnappy"
2446         snappy="yes"
2447     else
2448         if test "$snappy" = "yes"; then
2449             feature_not_found "libsnappy" "Install libsnappy devel"
2450         fi
2451         snappy="no"
2452     fi
2453 fi
2454
2455 ##########################################
2456 # bzip2 check
2457
2458 if test "$bzip2" != "no" ; then
2459     cat > $TMPC << EOF
2460 #include <bzlib.h>
2461 int main(void) { BZ2_bzlibVersion(); return 0; }
2462 EOF
2463     if compile_prog "" "-lbz2" ; then
2464         bzip2="yes"
2465     else
2466         if test "$bzip2" = "yes"; then
2467             feature_not_found "libbzip2" "Install libbzip2 devel"
2468         fi
2469         bzip2="no"
2470     fi
2471 fi
2472
2473 ##########################################
2474 # lzfse check
2475
2476 if test "$lzfse" != "no" ; then
2477     cat > $TMPC << EOF
2478 #include <lzfse.h>
2479 int main(void) { lzfse_decode_scratch_size(); return 0; }
2480 EOF
2481     if compile_prog "" "-llzfse" ; then
2482         lzfse="yes"
2483     else
2484         if test "$lzfse" = "yes"; then
2485             feature_not_found "lzfse" "Install lzfse devel"
2486         fi
2487         lzfse="no"
2488     fi
2489 fi
2490
2491 ##########################################
2492 # zstd check
2493
2494 if test "$zstd" != "no" ; then
2495     libzstd_minver="1.4.0"
2496     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2497         zstd_cflags="$($pkg_config --cflags libzstd)"
2498         zstd_libs="$($pkg_config --libs libzstd)"
2499         LIBS="$zstd_libs $LIBS"
2500         QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2501         zstd="yes"
2502     else
2503         if test "$zstd" = "yes" ; then
2504             feature_not_found "libzstd" "Install libzstd devel"
2505         fi
2506         zstd="no"
2507     fi
2508 fi
2509
2510 ##########################################
2511 # libseccomp check
2512
2513 if test "$seccomp" != "no" ; then
2514     libseccomp_minver="2.3.0"
2515     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2516         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2517         seccomp_libs="$($pkg_config --libs libseccomp)"
2518         seccomp="yes"
2519     else
2520         if test "$seccomp" = "yes" ; then
2521             feature_not_found "libseccomp" \
2522                  "Install libseccomp devel >= $libseccomp_minver"
2523         fi
2524         seccomp="no"
2525     fi
2526 fi
2527 ##########################################
2528 # xen probe
2529
2530 if test "$xen" != "no" ; then
2531   # Check whether Xen library path is specified via --extra-ldflags to avoid
2532   # overriding this setting with pkg-config output. If not, try pkg-config
2533   # to obtain all needed flags.
2534
2535   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2536      $pkg_config --exists xencontrol ; then
2537     xen_ctrl_version="$(printf '%d%02d%02d' \
2538       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2539     xen=yes
2540     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2541     xen_pc="$xen_pc xenevtchn xendevicemodel"
2542     if $pkg_config --exists xentoolcore; then
2543       xen_pc="$xen_pc xentoolcore"
2544     fi
2545     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2546     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2547   else
2548
2549     xen_libs="-lxenstore -lxenctrl -lxenguest"
2550     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2551
2552     # First we test whether Xen headers and libraries are available.
2553     # If no, we are done and there is no Xen support.
2554     # If yes, more tests are run to detect the Xen version.
2555
2556     # Xen (any)
2557     cat > $TMPC <<EOF
2558 #include <xenctrl.h>
2559 int main(void) {
2560   return 0;
2561 }
2562 EOF
2563     if ! compile_prog "" "$xen_libs" ; then
2564       # Xen not found
2565       if test "$xen" = "yes" ; then
2566         feature_not_found "xen" "Install xen devel"
2567       fi
2568       xen=no
2569
2570     # Xen unstable
2571     elif
2572         cat > $TMPC <<EOF &&
2573 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2574 #define __XEN_TOOLS__
2575 #include <xendevicemodel.h>
2576 #include <xenforeignmemory.h>
2577 int main(void) {
2578   xendevicemodel_handle *xd;
2579   xenforeignmemory_handle *xfmem;
2580
2581   xd = xendevicemodel_open(0, 0);
2582   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2583
2584   xfmem = xenforeignmemory_open(0, 0);
2585   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2586
2587   return 0;
2588 }
2589 EOF
2590         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2591       then
2592       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2593       xen_ctrl_version=41100
2594       xen=yes
2595     elif
2596         cat > $TMPC <<EOF &&
2597 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2598 #include <xenforeignmemory.h>
2599 #include <xentoolcore.h>
2600 int main(void) {
2601   xenforeignmemory_handle *xfmem;
2602
2603   xfmem = xenforeignmemory_open(0, 0);
2604   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2605   xentoolcore_restrict_all(0);
2606
2607   return 0;
2608 }
2609 EOF
2610         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2611       then
2612       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2613       xen_ctrl_version=41000
2614       xen=yes
2615     elif
2616         cat > $TMPC <<EOF &&
2617 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2618 #define __XEN_TOOLS__
2619 #include <xendevicemodel.h>
2620 int main(void) {
2621   xendevicemodel_handle *xd;
2622
2623   xd = xendevicemodel_open(0, 0);
2624   xendevicemodel_close(xd);
2625
2626   return 0;
2627 }
2628 EOF
2629         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2630       then
2631       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2632       xen_ctrl_version=40900
2633       xen=yes
2634     elif
2635         cat > $TMPC <<EOF &&
2636 /*
2637  * If we have stable libs the we don't want the libxc compat
2638  * layers, regardless of what CFLAGS we may have been given.
2639  *
2640  * Also, check if xengnttab_grant_copy_segment_t is defined and
2641  * grant copy operation is implemented.
2642  */
2643 #undef XC_WANT_COMPAT_EVTCHN_API
2644 #undef XC_WANT_COMPAT_GNTTAB_API
2645 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2646 #include <xenctrl.h>
2647 #include <xenstore.h>
2648 #include <xenevtchn.h>
2649 #include <xengnttab.h>
2650 #include <xenforeignmemory.h>
2651 #include <stdint.h>
2652 #include <xen/hvm/hvm_info_table.h>
2653 #if !defined(HVM_MAX_VCPUS)
2654 # error HVM_MAX_VCPUS not defined
2655 #endif
2656 int main(void) {
2657   xc_interface *xc = NULL;
2658   xenforeignmemory_handle *xfmem;
2659   xenevtchn_handle *xe;
2660   xengnttab_handle *xg;
2661   xengnttab_grant_copy_segment_t* seg = NULL;
2662
2663   xs_daemon_open();
2664
2665   xc = xc_interface_open(0, 0, 0);
2666   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2667   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2668   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2669   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2670
2671   xfmem = xenforeignmemory_open(0, 0);
2672   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2673
2674   xe = xenevtchn_open(0, 0);
2675   xenevtchn_fd(xe);
2676
2677   xg = xengnttab_open(0, 0);
2678   xengnttab_grant_copy(xg, 0, seg);
2679
2680   return 0;
2681 }
2682 EOF
2683         compile_prog "" "$xen_libs $xen_stable_libs"
2684       then
2685       xen_ctrl_version=40800
2686       xen=yes
2687     elif
2688         cat > $TMPC <<EOF &&
2689 /*
2690  * If we have stable libs the we don't want the libxc compat
2691  * layers, regardless of what CFLAGS we may have been given.
2692  */
2693 #undef XC_WANT_COMPAT_EVTCHN_API
2694 #undef XC_WANT_COMPAT_GNTTAB_API
2695 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2696 #include <xenctrl.h>
2697 #include <xenstore.h>
2698 #include <xenevtchn.h>
2699 #include <xengnttab.h>
2700 #include <xenforeignmemory.h>
2701 #include <stdint.h>
2702 #include <xen/hvm/hvm_info_table.h>
2703 #if !defined(HVM_MAX_VCPUS)
2704 # error HVM_MAX_VCPUS not defined
2705 #endif
2706 int main(void) {
2707   xc_interface *xc = NULL;
2708   xenforeignmemory_handle *xfmem;
2709   xenevtchn_handle *xe;
2710   xengnttab_handle *xg;
2711
2712   xs_daemon_open();
2713
2714   xc = xc_interface_open(0, 0, 0);
2715   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2716   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2717   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2718   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2719
2720   xfmem = xenforeignmemory_open(0, 0);
2721   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2722
2723   xe = xenevtchn_open(0, 0);
2724   xenevtchn_fd(xe);
2725
2726   xg = xengnttab_open(0, 0);
2727   xengnttab_map_grant_ref(xg, 0, 0, 0);
2728
2729   return 0;
2730 }
2731 EOF
2732         compile_prog "" "$xen_libs $xen_stable_libs"
2733       then
2734       xen_ctrl_version=40701
2735       xen=yes
2736
2737     # Xen 4.6
2738     elif
2739         cat > $TMPC <<EOF &&
2740 #include <xenctrl.h>
2741 #include <xenstore.h>
2742 #include <stdint.h>
2743 #include <xen/hvm/hvm_info_table.h>
2744 #if !defined(HVM_MAX_VCPUS)
2745 # error HVM_MAX_VCPUS not defined
2746 #endif
2747 int main(void) {
2748   xc_interface *xc;
2749   xs_daemon_open();
2750   xc = xc_interface_open(0, 0, 0);
2751   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2752   xc_gnttab_open(NULL, 0);
2753   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2754   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2755   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2756   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2757   return 0;
2758 }
2759 EOF
2760         compile_prog "" "$xen_libs"
2761       then
2762       xen_ctrl_version=40600
2763       xen=yes
2764
2765     # Xen 4.5
2766     elif
2767         cat > $TMPC <<EOF &&
2768 #include <xenctrl.h>
2769 #include <xenstore.h>
2770 #include <stdint.h>
2771 #include <xen/hvm/hvm_info_table.h>
2772 #if !defined(HVM_MAX_VCPUS)
2773 # error HVM_MAX_VCPUS not defined
2774 #endif
2775 int main(void) {
2776   xc_interface *xc;
2777   xs_daemon_open();
2778   xc = xc_interface_open(0, 0, 0);
2779   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2780   xc_gnttab_open(NULL, 0);
2781   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2782   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2783   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2784   return 0;
2785 }
2786 EOF
2787         compile_prog "" "$xen_libs"
2788       then
2789       xen_ctrl_version=40500
2790       xen=yes
2791
2792     elif
2793         cat > $TMPC <<EOF &&
2794 #include <xenctrl.h>
2795 #include <xenstore.h>
2796 #include <stdint.h>
2797 #include <xen/hvm/hvm_info_table.h>
2798 #if !defined(HVM_MAX_VCPUS)
2799 # error HVM_MAX_VCPUS not defined
2800 #endif
2801 int main(void) {
2802   xc_interface *xc;
2803   xs_daemon_open();
2804   xc = xc_interface_open(0, 0, 0);
2805   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2806   xc_gnttab_open(NULL, 0);
2807   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2808   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2809   return 0;
2810 }
2811 EOF
2812         compile_prog "" "$xen_libs"
2813       then
2814       xen_ctrl_version=40200
2815       xen=yes
2816
2817     else
2818       if test "$xen" = "yes" ; then
2819         feature_not_found "xen (unsupported version)" \
2820                           "Install a supported xen (xen 4.2 or newer)"
2821       fi
2822       xen=no
2823     fi
2824
2825     if test "$xen" = yes; then
2826       if test $xen_ctrl_version -ge 40701  ; then
2827         libs_softmmu="$xen_stable_libs $libs_softmmu"
2828       fi
2829       libs_softmmu="$xen_libs $libs_softmmu"
2830     fi
2831   fi
2832 fi
2833
2834 if test "$xen_pci_passthrough" != "no"; then
2835   if test "$xen" = "yes" && test "$linux" = "yes"; then
2836     xen_pci_passthrough=yes
2837   else
2838     if test "$xen_pci_passthrough" = "yes"; then
2839       error_exit "User requested feature Xen PCI Passthrough" \
2840           " but this feature requires /sys from Linux"
2841     fi
2842     xen_pci_passthrough=no
2843   fi
2844 fi
2845
2846 ##########################################
2847 # Windows Hypervisor Platform accelerator (WHPX) check
2848 if test "$whpx" != "no" ; then
2849     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2850         whpx="yes"
2851     else
2852         if test "$whpx" = "yes"; then
2853             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2854         fi
2855         whpx="no"
2856     fi
2857 fi
2858
2859 ##########################################
2860 # Sparse probe
2861 if test "$sparse" != "no" ; then
2862   if has cgcc; then
2863     sparse=yes
2864   else
2865     if test "$sparse" = "yes" ; then
2866       feature_not_found "sparse" "Install sparse binary"
2867     fi
2868     sparse=no
2869   fi
2870 fi
2871
2872 ##########################################
2873 # X11 probe
2874 if $pkg_config --exists "x11"; then
2875     have_x11=yes
2876     x11_cflags=$($pkg_config --cflags x11)
2877     x11_libs=$($pkg_config --libs x11)
2878 fi
2879
2880 ##########################################
2881 # GTK probe
2882
2883 if test "$gtk" != "no"; then
2884     gtkpackage="gtk+-3.0"
2885     gtkx11package="gtk+-x11-3.0"
2886     gtkversion="3.14.0"
2887     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2888         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2889         gtk_libs=$($pkg_config --libs $gtkpackage)
2890         gtk_version=$($pkg_config --modversion $gtkpackage)
2891         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2892             need_x11=yes
2893             gtk_cflags="$gtk_cflags $x11_cflags"
2894             gtk_libs="$gtk_libs $x11_libs"
2895         fi
2896         gtk="yes"
2897     elif test "$gtk" = "yes"; then
2898         feature_not_found "gtk" "Install gtk3-devel"
2899     else
2900         gtk="no"
2901     fi
2902 fi
2903
2904
2905 ##########################################
2906 # GNUTLS probe
2907
2908 if test "$gnutls" != "no"; then
2909     pass="no"
2910     if $pkg_config --exists "gnutls >= 3.1.18"; then
2911         gnutls_cflags=$($pkg_config --cflags gnutls)
2912         gnutls_libs=$($pkg_config --libs gnutls)
2913         # Packaging for the static libraries is not always correct.
2914         # At least ubuntu 18.04 ships only shared libraries.
2915         write_c_skeleton
2916         if compile_prog "" "$gnutls_libs" ; then
2917             LIBS="$gnutls_libs $LIBS"
2918             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2919             pass="yes"
2920         fi
2921     fi
2922     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2923         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2924     else
2925         gnutls="$pass"
2926     fi
2927 fi
2928
2929
2930 # If user didn't give a --disable/enable-gcrypt flag,
2931 # then mark as disabled if user requested nettle
2932 # explicitly
2933 if test -z "$gcrypt"
2934 then
2935     if test "$nettle" = "yes"
2936     then
2937         gcrypt="no"
2938     fi
2939 fi
2940
2941 # If user didn't give a --disable/enable-nettle flag,
2942 # then mark as disabled if user requested gcrypt
2943 # explicitly
2944 if test -z "$nettle"
2945 then
2946     if test "$gcrypt" = "yes"
2947     then
2948         nettle="no"
2949     fi
2950 fi
2951
2952 has_libgcrypt() {
2953     if ! has "libgcrypt-config"
2954     then
2955         return 1
2956     fi
2957
2958     if test -n "$cross_prefix"
2959     then
2960         host=$(libgcrypt-config --host)
2961         if test "$host-" != $cross_prefix
2962         then
2963             return 1
2964         fi
2965     fi
2966
2967     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2968     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2969
2970     if test $maj != 1 || test $min -lt 5
2971     then
2972        return 1
2973     fi
2974
2975     return 0
2976 }
2977
2978
2979 if test "$nettle" != "no"; then
2980     pass="no"
2981     if $pkg_config --exists "nettle >= 2.7.1"; then
2982         nettle_cflags=$($pkg_config --cflags nettle)
2983         nettle_libs=$($pkg_config --libs nettle)
2984         nettle_version=$($pkg_config --modversion nettle)
2985         # Link test to make sure the given libraries work (e.g for static).
2986         write_c_skeleton
2987         if compile_prog "" "$nettle_libs" ; then
2988             LIBS="$nettle_libs $LIBS"
2989             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2990             if test -z "$gcrypt"; then
2991                gcrypt="no"
2992             fi
2993             pass="yes"
2994         fi
2995     fi
2996     if test "$pass" = "yes"
2997     then
2998         cat > $TMPC << EOF
2999 #include <nettle/xts.h>
3000 int main(void) {
3001   return 0;
3002 }
3003 EOF
3004         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3005             nettle_xts=yes
3006             qemu_private_xts=no
3007         fi
3008     fi
3009     if test "$pass" = "no" && test "$nettle" = "yes"; then
3010         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3011     else
3012         nettle="$pass"
3013     fi
3014 fi
3015
3016 if test "$gcrypt" != "no"; then
3017     pass="no"
3018     if has_libgcrypt; then
3019         gcrypt_cflags=$(libgcrypt-config --cflags)
3020         gcrypt_libs=$(libgcrypt-config --libs)
3021         # Debian has removed -lgpg-error from libgcrypt-config
3022         # as it "spreads unnecessary dependencies" which in
3023         # turn breaks static builds...
3024         if test "$static" = "yes"
3025         then
3026             gcrypt_libs="$gcrypt_libs -lgpg-error"
3027         fi
3028
3029         # Link test to make sure the given libraries work (e.g for static).
3030         write_c_skeleton
3031         if compile_prog "" "$gcrypt_libs" ; then
3032             LIBS="$gcrypt_libs $LIBS"
3033             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3034             pass="yes"
3035         fi
3036     fi
3037     if test "$pass" = "yes"; then
3038         gcrypt="yes"
3039         cat > $TMPC << EOF
3040 #include <gcrypt.h>
3041 int main(void) {
3042   gcry_mac_hd_t handle;
3043   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3044                 GCRY_MAC_FLAG_SECURE, NULL);
3045   return 0;
3046 }
3047 EOF
3048         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3049             gcrypt_hmac=yes
3050         fi
3051         cat > $TMPC << EOF
3052 #include <gcrypt.h>
3053 int main(void) {
3054   gcry_cipher_hd_t handle;
3055   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3056   return 0;
3057 }
3058 EOF
3059         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3060             gcrypt_xts=yes
3061             qemu_private_xts=no
3062         fi
3063     elif test "$gcrypt" = "yes"; then
3064         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3065     else
3066         gcrypt="no"
3067     fi
3068 fi
3069
3070
3071 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3072 then
3073     error_exit "Only one of gcrypt & nettle can be enabled"
3074 fi
3075
3076 ##########################################
3077 # libtasn1 - only for the TLS creds/session test suite
3078
3079 tasn1=yes
3080 tasn1_cflags=""
3081 tasn1_libs=""
3082 if $pkg_config --exists "libtasn1"; then
3083     tasn1_cflags=$($pkg_config --cflags libtasn1)
3084     tasn1_libs=$($pkg_config --libs libtasn1)
3085 else
3086     tasn1=no
3087 fi
3088
3089
3090 ##########################################
3091 # PAM probe
3092
3093 if test "$auth_pam" != "no"; then
3094     cat > $TMPC <<EOF
3095 #include <security/pam_appl.h>
3096 #include <stdio.h>
3097 int main(void) {
3098    const char *service_name = "qemu";
3099    const char *user = "frank";
3100    const struct pam_conv pam_conv = { 0 };
3101    pam_handle_t *pamh = NULL;
3102    pam_start(service_name, user, &pam_conv, &pamh);
3103    return 0;
3104 }
3105 EOF
3106     if compile_prog "" "-lpam" ; then
3107         auth_pam=yes
3108     else
3109         if test "$auth_pam" = "yes"; then
3110             feature_not_found "PAM" "Install PAM development package"
3111         else
3112             auth_pam=no
3113         fi
3114     fi
3115 fi
3116
3117 ##########################################
3118 # getifaddrs (for tests/test-io-channel-socket )
3119
3120 have_ifaddrs_h=yes
3121 if ! check_include "ifaddrs.h" ; then
3122   have_ifaddrs_h=no
3123 fi
3124
3125 ##########################################
3126 # VTE probe
3127
3128 if test "$vte" != "no"; then
3129     vteminversion="0.32.0"
3130     if $pkg_config --exists "vte-2.91"; then
3131       vtepackage="vte-2.91"
3132     else
3133       vtepackage="vte-2.90"
3134     fi
3135     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3136         vte_cflags=$($pkg_config --cflags $vtepackage)
3137         vte_libs=$($pkg_config --libs $vtepackage)
3138         vteversion=$($pkg_config --modversion $vtepackage)
3139         vte="yes"
3140     elif test "$vte" = "yes"; then
3141         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3142     else
3143         vte="no"
3144     fi
3145 fi
3146
3147 ##########################################
3148 # SDL probe
3149
3150 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3151 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3152
3153 sdl_probe ()
3154 {
3155   if $pkg_config sdl2 --exists; then
3156     sdlconfig="$pkg_config sdl2"
3157     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3158   elif has "$sdl2_config"; then
3159     sdlconfig="$sdl2_config"
3160     sdlversion=$($sdlconfig --version)
3161   else
3162     if test "$sdl" = "yes" ; then
3163       feature_not_found "sdl" "Install SDL2-devel"
3164     fi
3165     sdl=no
3166     # no need to do the rest
3167     return
3168   fi
3169   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3170     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3171   fi
3172
3173   cat > $TMPC << EOF
3174 #include <SDL.h>
3175 #undef main /* We don't want SDL to override our main() */
3176 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3177 EOF
3178   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3179   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3180   if test "$static" = "yes" ; then
3181     if $pkg_config sdl2 --exists; then
3182       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3183     else
3184       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3185     fi
3186   else
3187     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3188   fi
3189   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3190     sdl=yes
3191
3192     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3193     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3194       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3195          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3196          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3197       fi
3198       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3199         :
3200       else
3201         sdl=no
3202       fi
3203     fi # static link
3204   else # sdl not found
3205     if test "$sdl" = "yes" ; then
3206       feature_not_found "sdl" "Install SDL2 devel"
3207     fi
3208     sdl=no
3209   fi # sdl compile test
3210 }
3211
3212 sdl_image_probe ()
3213 {
3214     if test "$sdl_image" != "no" ; then
3215         if $pkg_config SDL2_image --exists; then
3216             if test "$static" = "yes"; then
3217                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3218             else
3219                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3220             fi
3221             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3222             sdl_image=yes
3223
3224             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3225             sdl_libs="$sdl_libs $sdl_image_libs"
3226         else
3227             if test "$sdl_image" = "yes" ; then
3228                 feature_not_found "sdl_image" "Install SDL Image devel"
3229             else
3230                 sdl_image=no
3231             fi
3232         fi
3233     fi
3234 }
3235
3236 if test "$sdl" != "no" ; then
3237   sdl_probe
3238 fi
3239
3240 if test "$sdl" = "yes" ; then
3241   sdl_image_probe
3242 else
3243   if test "$sdl_image" = "yes"; then
3244     echo "warning: SDL Image requested, but SDL is not available, disabling"
3245   fi
3246   sdl_image=no
3247 fi
3248
3249 if test "$sdl" = "yes" ; then
3250   cat > $TMPC <<EOF
3251 #include <SDL.h>
3252 #if defined(SDL_VIDEO_DRIVER_X11)
3253 #include <X11/XKBlib.h>
3254 #else
3255 #error No x11 support
3256 #endif
3257 int main(void) { return 0; }
3258 EOF
3259   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3260     need_x11=yes
3261     sdl_cflags="$sdl_cflags $x11_cflags"
3262     sdl_libs="$sdl_libs $x11_libs"
3263   fi
3264 fi
3265
3266 ##########################################
3267 # RDMA needs OpenFabrics libraries
3268 if test "$rdma" != "no" ; then
3269   cat > $TMPC <<EOF
3270 #include <rdma/rdma_cma.h>
3271 int main(void) { return 0; }
3272 EOF
3273   rdma_libs="-lrdmacm -libverbs -libumad"
3274   if compile_prog "" "$rdma_libs" ; then
3275     rdma="yes"
3276     libs_softmmu="$libs_softmmu $rdma_libs"
3277   else
3278     if test "$rdma" = "yes" ; then
3279         error_exit \
3280             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3281             " Your options:" \
3282             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3283             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3284             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3285     fi
3286     rdma="no"
3287   fi
3288 fi
3289
3290 ##########################################
3291 # PVRDMA detection
3292
3293 cat > $TMPC <<EOF &&
3294 #include <sys/mman.h>
3295
3296 int
3297 main(void)
3298 {
3299     char buf = 0;
3300     void *addr = &buf;
3301     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3302
3303     return 0;
3304 }
3305 EOF
3306
3307 if test "$rdma" = "yes" ; then
3308     case "$pvrdma" in
3309     "")
3310         if compile_prog "" ""; then
3311             pvrdma="yes"
3312         else
3313             pvrdma="no"
3314         fi
3315         ;;
3316     "yes")
3317         if ! compile_prog "" ""; then
3318             error_exit "PVRDMA is not supported since mremap is not implemented"
3319         fi
3320         pvrdma="yes"
3321         ;;
3322     "no")
3323         pvrdma="no"
3324         ;;
3325     esac
3326 else
3327     if test "$pvrdma" = "yes" ; then
3328         error_exit "PVRDMA requires rdma suppport"
3329     fi
3330     pvrdma="no"
3331 fi
3332
3333 # Let's see if enhanced reg_mr is supported
3334 if test "$pvrdma" = "yes" ; then
3335
3336 cat > $TMPC <<EOF &&
3337 #include <infiniband/verbs.h>
3338
3339 int
3340 main(void)
3341 {
3342     struct ibv_mr *mr;
3343     struct ibv_pd *pd = NULL;
3344     size_t length = 10;
3345     uint64_t iova = 0;
3346     int access = 0;
3347     void *addr = NULL;
3348
3349     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3350
3351     ibv_dereg_mr(mr);
3352
3353     return 0;
3354 }
3355 EOF
3356     if ! compile_prog "" "-libverbs"; then
3357         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3358     fi
3359 fi
3360
3361 ##########################################
3362 # VNC SASL detection
3363 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3364   cat > $TMPC <<EOF
3365 #include <sasl/sasl.h>
3366 #include <stdio.h>
3367 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3368 EOF
3369   # Assuming Cyrus-SASL installed in /usr prefix
3370   # QEMU defines struct iovec in "qemu/osdep.h",
3371   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3372   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3373   vnc_sasl_libs="-lsasl2"
3374   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3375     vnc_sasl=yes
3376     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3377     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3378   else
3379     if test "$vnc_sasl" = "yes" ; then
3380       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3381     fi
3382     vnc_sasl=no
3383   fi
3384 fi
3385
3386 ##########################################
3387 # VNC JPEG detection
3388 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3389 cat > $TMPC <<EOF
3390 #include <stdio.h>
3391 #include <jpeglib.h>
3392 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3393 EOF
3394     vnc_jpeg_cflags=""
3395     vnc_jpeg_libs="-ljpeg"
3396   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3397     vnc_jpeg=yes
3398     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3399     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3400   else
3401     if test "$vnc_jpeg" = "yes" ; then
3402       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3403     fi
3404     vnc_jpeg=no
3405   fi
3406 fi
3407
3408 ##########################################
3409 # VNC PNG detection
3410 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3411 cat > $TMPC <<EOF
3412 //#include <stdio.h>
3413 #include <png.h>
3414 #include <stddef.h>
3415 int main(void) {
3416     png_structp png_ptr;
3417     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3418     return png_ptr != 0;
3419 }
3420 EOF
3421   if $pkg_config libpng --exists; then
3422     vnc_png_cflags=$($pkg_config libpng --cflags)
3423     vnc_png_libs=$($pkg_config libpng --libs)
3424   else
3425     vnc_png_cflags=""
3426     vnc_png_libs="-lpng"
3427   fi
3428   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3429     vnc_png=yes
3430     libs_softmmu="$vnc_png_libs $libs_softmmu"
3431     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3432   else
3433     if test "$vnc_png" = "yes" ; then
3434       feature_not_found "vnc-png" "Install libpng devel"
3435     fi
3436     vnc_png=no
3437   fi
3438 fi
3439
3440 ##########################################
3441 # xkbcommon probe
3442 if test "$xkbcommon" != "no" ; then
3443   if $pkg_config xkbcommon --exists; then
3444     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3445     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3446     xkbcommon=yes
3447   else
3448     if test "$xkbcommon" = "yes" ; then
3449       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3450     fi
3451     xkbcommon=no
3452   fi
3453 fi
3454
3455
3456 ##########################################
3457 # xfsctl() probe, used for file-posix.c
3458 if test "$xfs" != "no" ; then
3459   cat > $TMPC << EOF
3460 #include <stddef.h>  /* NULL */
3461 #include <xfs/xfs.h>
3462 int main(void)
3463 {
3464     xfsctl(NULL, 0, 0, NULL);
3465     return 0;
3466 }
3467 EOF
3468   if compile_prog "" "" ; then
3469     xfs="yes"
3470   else
3471     if test "$xfs" = "yes" ; then
3472       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3473     fi
3474     xfs=no
3475   fi
3476 fi
3477
3478 ##########################################
3479 # vde libraries probe
3480 if test "$vde" != "no" ; then
3481   vde_libs="-lvdeplug"
3482   cat > $TMPC << EOF
3483 #include <libvdeplug.h>
3484 int main(void)
3485 {
3486     struct vde_open_args a = {0, 0, 0};
3487     char s[] = "";
3488     vde_open(s, s, &a);
3489     return 0;
3490 }
3491 EOF
3492   if compile_prog "" "$vde_libs" ; then
3493     vde=yes
3494   else
3495     if test "$vde" = "yes" ; then
3496       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3497     fi
3498     vde=no
3499   fi
3500 fi
3501
3502 ##########################################
3503 # netmap support probe
3504 # Apart from looking for netmap headers, we make sure that the host API version
3505 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3506 # a minor/major version number. Minor new features will be marked with values up
3507 # to 15, and if something happens that requires a change to the backend we will
3508 # move above 15, submit the backend fixes and modify this two bounds.
3509 if test "$netmap" != "no" ; then
3510   cat > $TMPC << EOF
3511 #include <inttypes.h>
3512 #include <net/if.h>
3513 #include <net/netmap.h>
3514 #include <net/netmap_user.h>
3515 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3516 #error
3517 #endif
3518 int main(void) { return 0; }
3519 EOF
3520   if compile_prog "" "" ; then
3521     netmap=yes
3522   else
3523     if test "$netmap" = "yes" ; then
3524       feature_not_found "netmap"
3525     fi
3526     netmap=no
3527   fi
3528 fi
3529
3530 ##########################################
3531 # libcap-ng library probe
3532 if test "$cap_ng" != "no" ; then
3533   cap_libs="-lcap-ng"
3534   cat > $TMPC << EOF
3535 #include <cap-ng.h>
3536 int main(void)
3537 {
3538     capng_capability_to_name(CAPNG_EFFECTIVE);
3539     return 0;
3540 }
3541 EOF
3542   if compile_prog "" "$cap_libs" ; then
3543     cap_ng=yes
3544     libs_tools="$cap_libs $libs_tools"
3545   else
3546     if test "$cap_ng" = "yes" ; then
3547       feature_not_found "cap_ng" "Install libcap-ng devel"
3548     fi
3549     cap_ng=no
3550   fi
3551 fi
3552
3553 ##########################################
3554 # Sound support libraries probe
3555
3556 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3557 for drv in $audio_drv_list; do
3558     case $drv in
3559     alsa | try-alsa)
3560     if $pkg_config alsa --exists; then
3561         alsa_libs=$($pkg_config alsa --libs)
3562         if test "$drv" = "try-alsa"; then
3563             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3564         fi
3565     else
3566         if test "$drv" = "try-alsa"; then
3567             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3568         else
3569             error_exit "$drv check failed" \
3570                 "Make sure to have the $drv libs and headers installed."
3571         fi
3572     fi
3573     ;;
3574
3575     pa | try-pa)
3576     if $pkg_config libpulse --exists; then
3577         pulse_libs=$($pkg_config libpulse --libs)
3578         if test "$drv" = "try-pa"; then
3579             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3580         fi
3581     else
3582         if test "$drv" = "try-pa"; then
3583             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3584         else
3585             error_exit "$drv check failed" \
3586                 "Make sure to have the $drv libs and headers installed."
3587         fi
3588     fi
3589     ;;
3590
3591     sdl)
3592     if test "$sdl" = "no"; then
3593         error_exit "sdl not found or disabled, can not use sdl audio driver"
3594     fi
3595     ;;
3596
3597     try-sdl)
3598     if test "$sdl" = "no"; then
3599         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3600     else
3601         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3602     fi
3603     ;;
3604
3605     coreaudio)
3606       coreaudio_libs="-framework CoreAudio"
3607     ;;
3608
3609     dsound)
3610       dsound_libs="-lole32 -ldxguid"
3611       audio_win_int="yes"
3612     ;;
3613
3614     oss)
3615       oss_libs="$oss_lib"
3616     ;;
3617
3618     *)
3619     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3620         error_exit "Unknown driver '$drv' selected" \
3621             "Possible drivers are: $audio_possible_drivers"
3622     }
3623     ;;
3624     esac
3625 done
3626
3627 ##########################################
3628 # BrlAPI probe
3629
3630 if test "$brlapi" != "no" ; then
3631   brlapi_libs="-lbrlapi"
3632   cat > $TMPC << EOF
3633 #include <brlapi.h>
3634 #include <stddef.h>
3635 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3636 EOF
3637   if compile_prog "" "$brlapi_libs" ; then
3638     brlapi=yes
3639   else
3640     if test "$brlapi" = "yes" ; then
3641       feature_not_found "brlapi" "Install brlapi devel"
3642     fi
3643     brlapi=no
3644   fi
3645 fi
3646
3647 ##########################################
3648 # iconv probe
3649 if test "$iconv" != "no" ; then
3650   cat > $TMPC << EOF
3651 #include <iconv.h>
3652 int main(void) {
3653   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3654   return conv != (iconv_t) -1;
3655 }
3656 EOF
3657   iconv_prefix_list="/usr/local:/usr"
3658   iconv_lib_list=":-liconv"
3659   IFS=:
3660   for iconv_prefix in $iconv_prefix_list; do
3661     IFS=:
3662     iconv_cflags="-I$iconv_prefix/include"
3663     iconv_ldflags="-L$iconv_prefix/lib"
3664     for iconv_link in $iconv_lib_list; do
3665       unset IFS
3666       iconv_lib="$iconv_ldflags $iconv_link"
3667       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3668       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3669         iconv_found=yes
3670         break
3671       fi
3672     done
3673     if test "$iconv_found" = yes ; then
3674       break
3675     fi
3676   done
3677   if test "$iconv_found" = "yes" ; then
3678     iconv=yes
3679   else
3680     if test "$iconv" = "yes" ; then
3681       feature_not_found "iconv" "Install iconv devel"
3682     fi
3683     iconv=no
3684   fi
3685 fi
3686
3687 ##########################################
3688 # curses probe
3689 if test "$iconv" = "no" ; then
3690   # curses will need iconv
3691   curses=no
3692 fi
3693 if test "$curses" != "no" ; then
3694   if test "$mingw32" = "yes" ; then
3695     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3696     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3697   else
3698     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3699     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3700   fi
3701   curses_found=no
3702   cat > $TMPC << EOF
3703 #include <locale.h>
3704 #include <curses.h>
3705 #include <wchar.h>
3706 #include <langinfo.h>
3707 int main(void) {
3708   const char *codeset;
3709   wchar_t wch = L'w';
3710   setlocale(LC_ALL, "");
3711   resize_term(0, 0);
3712   addwstr(L"wide chars\n");
3713   addnwstr(&wch, 1);
3714   add_wch(WACS_DEGREE);
3715   codeset = nl_langinfo(CODESET);
3716   return codeset != 0;
3717 }
3718 EOF
3719   IFS=:
3720   for curses_inc in $curses_inc_list; do
3721     # Make sure we get the wide character prototypes
3722     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3723     IFS=:
3724     for curses_lib in $curses_lib_list; do
3725       unset IFS
3726       if compile_prog "$curses_inc" "$curses_lib" ; then
3727         curses_found=yes
3728         break
3729       fi
3730     done
3731     if test "$curses_found" = yes ; then
3732       break
3733     fi
3734   done
3735   unset IFS
3736   if test "$curses_found" = "yes" ; then
3737     curses=yes
3738   else
3739     if test "$curses" = "yes" ; then
3740       feature_not_found "curses" "Install ncurses devel"
3741     fi
3742     curses=no
3743   fi
3744 fi
3745
3746 ##########################################
3747 # curl probe
3748 if test "$curl" != "no" ; then
3749   if $pkg_config libcurl --exists; then
3750     curlconfig="$pkg_config libcurl"
3751   else
3752     curlconfig=curl-config
3753   fi
3754   cat > $TMPC << EOF
3755 #include <curl/curl.h>
3756 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3757 EOF
3758   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3759   curl_libs=$($curlconfig --libs 2>/dev/null)
3760   if compile_prog "$curl_cflags" "$curl_libs" ; then
3761     curl=yes
3762   else
3763     if test "$curl" = "yes" ; then
3764       feature_not_found "curl" "Install libcurl devel"
3765     fi
3766     curl=no
3767   fi
3768 fi # test "$curl"
3769
3770 ##########################################
3771 # glib support probe
3772
3773 glib_req_ver=2.48
3774 glib_modules=gthread-2.0
3775 if test "$modules" = yes; then
3776     glib_modules="$glib_modules gmodule-export-2.0"
3777 fi
3778 if test "$plugins" = yes; then
3779     glib_modules="$glib_modules gmodule-2.0"
3780 fi
3781
3782 # This workaround is required due to a bug in pkg-config file for glib as it
3783 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3784
3785 if test "$static" = yes && test "$mingw32" = yes; then
3786     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3787 fi
3788
3789 for i in $glib_modules; do
3790     if $pkg_config --atleast-version=$glib_req_ver $i; then
3791         glib_cflags=$($pkg_config --cflags $i)
3792         glib_libs=$($pkg_config --libs $i)
3793         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3794         LIBS="$glib_libs $LIBS"
3795         libs_qga="$glib_libs $libs_qga"
3796     else
3797         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3798     fi
3799 done
3800
3801 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3802     gio=yes
3803     gio_cflags=$($pkg_config --cflags gio-2.0)
3804     gio_libs=$($pkg_config --libs gio-2.0)
3805     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3806     if [ ! -x "$gdbus_codegen" ]; then
3807         gdbus_codegen=
3808     fi
3809 else
3810     gio=no
3811 fi
3812
3813 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3814     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3815     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3816 fi
3817
3818 # Sanity check that the current size_t matches the
3819 # size that glib thinks it should be. This catches
3820 # problems on multi-arch where people try to build
3821 # 32-bit QEMU while pointing at 64-bit glib headers
3822 cat > $TMPC <<EOF
3823 #include <glib.h>
3824 #include <unistd.h>
3825
3826 #define QEMU_BUILD_BUG_ON(x) \
3827   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3828
3829 int main(void) {
3830    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3831    return 0;
3832 }
3833 EOF
3834
3835 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3836     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3837                "You probably need to set PKG_CONFIG_LIBDIR"\
3838                "to point to the right pkg-config files for your"\
3839                "build target"
3840 fi
3841
3842 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3843 cat > $TMPC << EOF
3844 #include <glib.h>
3845 int main(void) { return 0; }
3846 EOF
3847 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3848     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3849         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3850         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3851     fi
3852 fi
3853
3854 #########################################
3855 # zlib check
3856
3857 if test "$zlib" != "no" ; then
3858     if $pkg_config --exists zlib; then
3859         zlib_cflags=$($pkg_config --cflags zlib)
3860         zlib_libs=$($pkg_config --libs zlib)
3861         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3862         LIBS="$zlib_libs $LIBS"
3863     else
3864         cat > $TMPC << EOF
3865 #include <zlib.h>
3866 int main(void) { zlibVersion(); return 0; }
3867 EOF
3868         if compile_prog "" "-lz" ; then
3869             LIBS="$LIBS -lz"
3870         else
3871             error_exit "zlib check failed" \
3872                 "Make sure to have the zlib libs and headers installed."
3873         fi
3874     fi
3875 fi
3876
3877 ##########################################
3878 # SHA command probe for modules
3879 if test "$modules" = yes; then
3880     shacmd_probe="sha1sum sha1 shasum"
3881     for c in $shacmd_probe; do
3882         if has $c; then
3883             shacmd="$c"
3884             break
3885         fi
3886     done
3887     if test "$shacmd" = ""; then
3888         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3889     fi
3890 fi
3891
3892 ##########################################
3893 # pixman support probe
3894
3895 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3896   pixman_cflags=
3897   pixman_libs=
3898 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3899   pixman_cflags=$($pkg_config --cflags pixman-1)
3900   pixman_libs=$($pkg_config --libs pixman-1)
3901 else
3902   error_exit "pixman >= 0.21.8 not present." \
3903       "Please install the pixman devel package."
3904 fi
3905
3906 ##########################################
3907 # libmpathpersist probe
3908
3909 if test "$mpath" != "no" ; then
3910   # probe for the new API
3911   cat > $TMPC <<EOF
3912 #include <libudev.h>
3913 #include <mpath_persist.h>
3914 unsigned mpath_mx_alloc_len = 1024;
3915 int logsink;
3916 static struct config *multipath_conf;
3917 extern struct udev *udev;
3918 extern struct config *get_multipath_config(void);
3919 extern void put_multipath_config(struct config *conf);
3920 struct udev *udev;
3921 struct config *get_multipath_config(void) { return multipath_conf; }
3922 void put_multipath_config(struct config *conf) { }
3923
3924 int main(void) {
3925     udev = udev_new();
3926     multipath_conf = mpath_lib_init();
3927     return 0;
3928 }
3929 EOF
3930   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3931     mpathpersist=yes
3932     mpathpersist_new_api=yes
3933   else
3934     # probe for the old API
3935     cat > $TMPC <<EOF
3936 #include <libudev.h>
3937 #include <mpath_persist.h>
3938 unsigned mpath_mx_alloc_len = 1024;
3939 int logsink;
3940 int main(void) {
3941     struct udev *udev = udev_new();
3942     mpath_lib_init(udev);
3943     return 0;
3944 }
3945 EOF
3946     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3947       mpathpersist=yes
3948       mpathpersist_new_api=no
3949     else
3950       mpathpersist=no
3951     fi
3952   fi
3953 else
3954   mpathpersist=no
3955 fi
3956
3957 ##########################################
3958 # pthread probe
3959 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3960
3961 pthread=no
3962 cat > $TMPC << EOF
3963 #include <pthread.h>
3964 static void *f(void *p) { return NULL; }
3965 int main(void) {
3966   pthread_t thread;
3967   pthread_create(&thread, 0, f, 0);
3968   return 0;
3969 }
3970 EOF
3971 if compile_prog "" "" ; then
3972   pthread=yes
3973 else
3974   for pthread_lib in $PTHREADLIBS_LIST; do
3975     if compile_prog "" "$pthread_lib" ; then
3976       pthread=yes
3977       found=no
3978       for lib_entry in $LIBS; do
3979         if test "$lib_entry" = "$pthread_lib"; then
3980           found=yes
3981           break
3982         fi
3983       done
3984       if test "$found" = "no"; then
3985         LIBS="$pthread_lib $LIBS"
3986         libs_qga="$pthread_lib $libs_qga"
3987       fi
3988       PTHREAD_LIB="$pthread_lib"
3989       break
3990     fi
3991   done
3992 fi
3993
3994 if test "$mingw32" != yes && test "$pthread" = no; then
3995   error_exit "pthread check failed" \
3996       "Make sure to have the pthread libs and headers installed."
3997 fi
3998
3999 # check for pthread_setname_np with thread id
4000 pthread_setname_np_w_tid=no
4001 cat > $TMPC << EOF
4002 #include <pthread.h>
4003
4004 static void *f(void *p) { return NULL; }
4005 int main(void)
4006 {
4007     pthread_t thread;
4008     pthread_create(&thread, 0, f, 0);
4009     pthread_setname_np(thread, "QEMU");
4010     return 0;
4011 }
4012 EOF
4013 if compile_prog "" "$pthread_lib" ; then
4014   pthread_setname_np_w_tid=yes
4015 fi
4016
4017 # check for pthread_setname_np without thread id
4018 pthread_setname_np_wo_tid=no
4019 cat > $TMPC << EOF
4020 #include <pthread.h>
4021
4022 static void *f(void *p) { pthread_setname_np("QEMU"); }
4023 int main(void)
4024 {
4025     pthread_t thread;
4026     pthread_create(&thread, 0, f, 0);
4027     return 0;
4028 }
4029 EOF
4030 if compile_prog "" "$pthread_lib" ; then
4031   pthread_setname_np_wo_tid=yes
4032 fi
4033
4034 ##########################################
4035 # rbd probe
4036 if test "$rbd" != "no" ; then
4037   cat > $TMPC <<EOF
4038 #include <stdio.h>
4039 #include <rbd/librbd.h>
4040 int main(void) {
4041     rados_t cluster;
4042     rados_create(&cluster, NULL);
4043     return 0;
4044 }
4045 EOF
4046   rbd_libs="-lrbd -lrados"
4047   if compile_prog "" "$rbd_libs" ; then
4048     rbd=yes
4049   else
4050     if test "$rbd" = "yes" ; then
4051       feature_not_found "rados block device" "Install librbd/ceph devel"
4052     fi
4053     rbd=no
4054   fi
4055 fi
4056
4057 ##########################################
4058 # libssh probe
4059 if test "$libssh" != "no" ; then
4060   if $pkg_config --exists libssh; then
4061     libssh_cflags=$($pkg_config libssh --cflags)
4062     libssh_libs=$($pkg_config libssh --libs)
4063     libssh=yes
4064   else
4065     if test "$libssh" = "yes" ; then
4066       error_exit "libssh required for --enable-libssh"
4067     fi
4068     libssh=no
4069   fi
4070 fi
4071
4072 ##########################################
4073 # Check for libssh 0.8
4074 # This is done like this instead of using the LIBSSH_VERSION_* and
4075 # SSH_VERSION_* macros because some distributions in the past shipped
4076 # snapshots of the future 0.8 from Git, and those snapshots did not
4077 # have updated version numbers (still referring to 0.7.0).
4078
4079 if test "$libssh" = "yes"; then
4080   cat > $TMPC <<EOF
4081 #include <libssh/libssh.h>
4082 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4083 EOF
4084   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4085     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4086   fi
4087 fi
4088
4089 ##########################################
4090 # linux-aio probe
4091
4092 if test "$linux_aio" != "no" ; then
4093   cat > $TMPC <<EOF
4094 #include <libaio.h>
4095 #include <sys/eventfd.h>
4096 #include <stddef.h>
4097 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4098 EOF
4099   if compile_prog "" "-laio" ; then
4100     linux_aio=yes
4101   else
4102     if test "$linux_aio" = "yes" ; then
4103       feature_not_found "linux AIO" "Install libaio devel"
4104     fi
4105     linux_aio=no
4106   fi
4107 fi
4108 ##########################################
4109 # linux-io-uring probe
4110
4111 if test "$linux_io_uring" != "no" ; then
4112   if $pkg_config liburing; then
4113     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4114     linux_io_uring_libs=$($pkg_config --libs liburing)
4115     linux_io_uring=yes
4116
4117     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4118     # seen by programs linking the archive.  It's not ideal, but just add the
4119     # library dependency globally.
4120     LIBS="$linux_io_uring_libs $LIBS"
4121   else
4122     if test "$linux_io_uring" = "yes" ; then
4123       feature_not_found "linux io_uring" "Install liburing devel"
4124     fi
4125     linux_io_uring=no
4126   fi
4127 fi
4128
4129 ##########################################
4130 # TPM emulation is only on POSIX
4131
4132 if test "$tpm" = ""; then
4133   if test "$mingw32" = "yes"; then
4134     tpm=no
4135   else
4136     tpm=yes
4137   fi
4138 elif test "$tpm" = "yes"; then
4139   if test "$mingw32" = "yes" ; then
4140     error_exit "TPM emulation only available on POSIX systems"
4141   fi
4142 fi
4143
4144 ##########################################
4145 # attr probe
4146
4147 if test "$attr" != "no" ; then
4148   cat > $TMPC <<EOF
4149 #include <stdio.h>
4150 #include <sys/types.h>
4151 #ifdef CONFIG_LIBATTR
4152 #include <attr/xattr.h>
4153 #else
4154 #include <sys/xattr.h>
4155 #endif
4156 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4157 EOF
4158   if compile_prog "" "" ; then
4159     attr=yes
4160   # Older distros have <attr/xattr.h>, and need -lattr:
4161   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4162     attr=yes
4163     LIBS="-lattr $LIBS"
4164     libattr=yes
4165   else
4166     if test "$attr" = "yes" ; then
4167       feature_not_found "ATTR" "Install libc6 or libattr devel"
4168     fi
4169     attr=no
4170   fi
4171 fi
4172
4173 ##########################################
4174 # iovec probe
4175 cat > $TMPC <<EOF
4176 #include <sys/types.h>
4177 #include <sys/uio.h>
4178 #include <unistd.h>
4179 int main(void) { return sizeof(struct iovec); }
4180 EOF
4181 iovec=no
4182 if compile_prog "" "" ; then
4183   iovec=yes
4184 fi
4185
4186 ##########################################
4187 # preadv probe
4188 cat > $TMPC <<EOF
4189 #include <sys/types.h>
4190 #include <sys/uio.h>
4191 #include <unistd.h>
4192 int main(void) { return preadv(0, 0, 0, 0); }
4193 EOF
4194 preadv=no
4195 if compile_prog "" "" ; then
4196   preadv=yes
4197 fi
4198
4199 ##########################################
4200 # fdt probe
4201 # fdt support is mandatory for at least some target architectures,
4202 # so insist on it if we're building those system emulators.
4203 fdt_required=no
4204 for target in $target_list; do
4205   case $target in
4206     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4207       fdt_required=yes
4208     ;;
4209   esac
4210 done
4211
4212 if test "$fdt_required" = "yes"; then
4213   if test "$fdt" = "no"; then
4214     error_exit "fdt disabled but some requested targets require it." \
4215       "You can turn off fdt only if you also disable all the system emulation" \
4216       "targets which need it (by specifying a cut down --target-list)."
4217   fi
4218   fdt=yes
4219 elif test "$fdt" != "yes" ; then
4220   fdt=no
4221 fi
4222
4223 # fdt is only required when building softmmu targets
4224 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4225     fdt="no"
4226 fi
4227
4228 if test "$fdt" != "no" ; then
4229   fdt_libs="-lfdt"
4230   # explicitly check for libfdt_env.h as it is missing in some stable installs
4231   # and test for required functions to make sure we are on a version >= 1.4.2
4232   cat > $TMPC << EOF
4233 #include <libfdt.h>
4234 #include <libfdt_env.h>
4235 int main(void) { fdt_check_full(NULL, 0); return 0; }
4236 EOF
4237   if compile_prog "" "$fdt_libs" ; then
4238     # system DTC is good - use it
4239     fdt=system
4240   else
4241       # have GIT checkout, so activate dtc submodule
4242       if test -e "${source_path}/.git" ; then
4243           git_submodules="${git_submodules} dtc"
4244       fi
4245       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4246           fdt=git
4247           mkdir -p dtc
4248           if [ "$pwd_is_source_path" != "y" ] ; then
4249               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4250               symlink "$source_path/dtc/scripts" "dtc/scripts"
4251           fi
4252           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4253           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4254           fdt_libs="$fdt_libs"
4255       elif test "$fdt" = "yes" ; then
4256           # Not a git build & no libfdt found, prompt for system install
4257           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4258                      "Please install the DTC (libfdt) devel package"
4259       else
4260           # don't have and don't want
4261           fdt_libs=
4262           fdt=no
4263       fi
4264   fi
4265 fi
4266
4267 libs_softmmu="$libs_softmmu $fdt_libs"
4268
4269 ##########################################
4270 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4271
4272 gbm="no"
4273 if $pkg_config gbm; then
4274     gbm_cflags="$($pkg_config --cflags gbm)"
4275     gbm_libs="$($pkg_config --libs gbm)"
4276     gbm="yes"
4277 fi
4278
4279 if test "$opengl" != "no" ; then
4280   opengl_pkgs="epoxy gbm"
4281   if $pkg_config $opengl_pkgs; then
4282     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4283     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4284     opengl=yes
4285     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4286         gtk_gl="yes"
4287     fi
4288     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4289   else
4290     if test "$opengl" = "yes" ; then
4291       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4292     fi
4293     opengl_cflags=""
4294     opengl_libs=""
4295     opengl=no
4296   fi
4297 fi
4298
4299 if test "$opengl" = "yes"; then
4300   cat > $TMPC << EOF
4301 #include <epoxy/egl.h>
4302 #ifndef EGL_MESA_image_dma_buf_export
4303 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4304 #endif
4305 int main(void) { return 0; }
4306 EOF
4307   if compile_prog "" "" ; then
4308     opengl_dmabuf=yes
4309   fi
4310 fi
4311
4312 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4313   for target in $target_list; do
4314     case $target in
4315       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4316         need_x11=yes
4317       ;;
4318     esac
4319   done
4320 fi
4321
4322 ##########################################
4323 # libxml2 probe
4324 if test "$libxml2" != "no" ; then
4325     if $pkg_config --exists libxml-2.0; then
4326         libxml2="yes"
4327         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4328         libxml2_libs=$($pkg_config --libs libxml-2.0)
4329     else
4330         if test "$libxml2" = "yes"; then
4331             feature_not_found "libxml2" "Install libxml2 devel"
4332         fi
4333         libxml2="no"
4334     fi
4335 fi
4336
4337 ##########################################
4338 # glusterfs probe
4339 if test "$glusterfs" != "no" ; then
4340   if $pkg_config --atleast-version=3 glusterfs-api; then
4341     glusterfs="yes"
4342     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4343     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4344     if $pkg_config --atleast-version=4 glusterfs-api; then
4345       glusterfs_xlator_opt="yes"
4346     fi
4347     if $pkg_config --atleast-version=5 glusterfs-api; then
4348       glusterfs_discard="yes"
4349     fi
4350     if $pkg_config --atleast-version=6 glusterfs-api; then
4351       glusterfs_fallocate="yes"
4352       glusterfs_zerofill="yes"
4353     fi
4354     cat > $TMPC << EOF
4355 #include <glusterfs/api/glfs.h>
4356
4357 int
4358 main(void)
4359 {
4360         /* new glfs_ftruncate() passes two additional args */
4361         return glfs_ftruncate(NULL, 0, NULL, NULL);
4362 }
4363 EOF
4364     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4365       glusterfs_ftruncate_has_stat="yes"
4366     fi
4367     cat > $TMPC << EOF
4368 #include <glusterfs/api/glfs.h>
4369
4370 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4371 static void
4372 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4373 {}
4374
4375 int
4376 main(void)
4377 {
4378         glfs_io_cbk iocb = &glusterfs_iocb;
4379         iocb(NULL, 0 , NULL, NULL, NULL);
4380         return 0;
4381 }
4382 EOF
4383     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4384       glusterfs_iocb_has_stat="yes"
4385     fi
4386   else
4387     if test "$glusterfs" = "yes" ; then
4388       feature_not_found "GlusterFS backend support" \
4389           "Install glusterfs-api devel >= 3"
4390     fi
4391     glusterfs="no"
4392   fi
4393 fi
4394
4395 # Check for inotify functions when we are building linux-user
4396 # emulator.  This is done because older glibc versions don't
4397 # have syscall stubs for these implemented.  In that case we
4398 # don't provide them even if kernel supports them.
4399 #
4400 inotify=no
4401 cat > $TMPC << EOF
4402 #include <sys/inotify.h>
4403
4404 int
4405 main(void)
4406 {
4407         /* try to start inotify */
4408         return inotify_init();
4409 }
4410 EOF
4411 if compile_prog "" "" ; then
4412   inotify=yes
4413 fi
4414
4415 inotify1=no
4416 cat > $TMPC << EOF
4417 #include <sys/inotify.h>
4418
4419 int
4420 main(void)
4421 {
4422     /* try to start inotify */
4423     return inotify_init1(0);
4424 }
4425 EOF
4426 if compile_prog "" "" ; then
4427   inotify1=yes
4428 fi
4429
4430 # check if pipe2 is there
4431 pipe2=no
4432 cat > $TMPC << EOF
4433 #include <unistd.h>
4434 #include <fcntl.h>
4435
4436 int main(void)
4437 {
4438     int pipefd[2];
4439     return pipe2(pipefd, O_CLOEXEC);
4440 }
4441 EOF
4442 if compile_prog "" "" ; then
4443   pipe2=yes
4444 fi
4445
4446 # check if accept4 is there
4447 accept4=no
4448 cat > $TMPC << EOF
4449 #include <sys/socket.h>
4450 #include <stddef.h>
4451
4452 int main(void)
4453 {
4454     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4455     return 0;
4456 }
4457 EOF
4458 if compile_prog "" "" ; then
4459   accept4=yes
4460 fi
4461
4462 # check if tee/splice is there. vmsplice was added same time.
4463 splice=no
4464 cat > $TMPC << EOF
4465 #include <unistd.h>
4466 #include <fcntl.h>
4467 #include <limits.h>
4468
4469 int main(void)
4470 {
4471     int len, fd = 0;
4472     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4473     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4474     return 0;
4475 }
4476 EOF
4477 if compile_prog "" "" ; then
4478   splice=yes
4479 fi
4480
4481 ##########################################
4482 # libnuma probe
4483
4484 if test "$numa" != "no" ; then
4485   cat > $TMPC << EOF
4486 #include <numa.h>
4487 int main(void) { return numa_available(); }
4488 EOF
4489
4490   if compile_prog "" "-lnuma" ; then
4491     numa=yes
4492     libs_softmmu="-lnuma $libs_softmmu"
4493   else
4494     if test "$numa" = "yes" ; then
4495       feature_not_found "numa" "install numactl devel"
4496     fi
4497     numa=no
4498   fi
4499 fi
4500
4501 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4502     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4503     exit 1
4504 fi
4505
4506 # Even if malloc_trim() is available, these non-libc memory allocators
4507 # do not support it.
4508 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4509     if test "$malloc_trim" = "yes" ; then
4510         echo "Disabling malloc_trim with non-libc memory allocator"
4511     fi
4512     malloc_trim="no"
4513 fi
4514
4515 #######################################
4516 # malloc_trim
4517
4518 if test "$malloc_trim" != "no" ; then
4519     cat > $TMPC << EOF
4520 #include <malloc.h>
4521 int main(void) { malloc_trim(0); return 0; }
4522 EOF
4523     if compile_prog "" "" ; then
4524         malloc_trim="yes"
4525     else
4526         malloc_trim="no"
4527     fi
4528 fi
4529
4530 ##########################################
4531 # tcmalloc probe
4532
4533 if test "$tcmalloc" = "yes" ; then
4534   cat > $TMPC << EOF
4535 #include <stdlib.h>
4536 int main(void) { malloc(1); return 0; }
4537 EOF
4538
4539   if compile_prog "" "-ltcmalloc" ; then
4540     LIBS="-ltcmalloc $LIBS"
4541   else
4542     feature_not_found "tcmalloc" "install gperftools devel"
4543   fi
4544 fi
4545
4546 ##########################################
4547 # jemalloc probe
4548
4549 if test "$jemalloc" = "yes" ; then
4550   cat > $TMPC << EOF
4551 #include <stdlib.h>
4552 int main(void) { malloc(1); return 0; }
4553 EOF
4554
4555   if compile_prog "" "-ljemalloc" ; then
4556     LIBS="-ljemalloc $LIBS"
4557   else
4558     feature_not_found "jemalloc" "install jemalloc devel"
4559   fi
4560 fi
4561
4562 ##########################################
4563 # signalfd probe
4564 signalfd="no"
4565 cat > $TMPC << EOF
4566 #include <unistd.h>
4567 #include <sys/syscall.h>
4568 #include <signal.h>
4569 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4570 EOF
4571
4572 if compile_prog "" "" ; then
4573   signalfd=yes
4574 fi
4575
4576 # check if optreset global is declared by <getopt.h>
4577 optreset="no"
4578 cat > $TMPC << EOF
4579 #include <getopt.h>
4580 int main(void) { return optreset; }
4581 EOF
4582
4583 if compile_prog "" "" ; then
4584   optreset=yes
4585 fi
4586
4587 # check if eventfd is supported
4588 eventfd=no
4589 cat > $TMPC << EOF
4590 #include <sys/eventfd.h>
4591
4592 int main(void)
4593 {
4594     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4595 }
4596 EOF
4597 if compile_prog "" "" ; then
4598   eventfd=yes
4599 fi
4600
4601 # check if memfd is supported
4602 memfd=no
4603 cat > $TMPC << EOF
4604 #include <sys/mman.h>
4605
4606 int main(void)
4607 {
4608     return memfd_create("foo", MFD_ALLOW_SEALING);
4609 }
4610 EOF
4611 if compile_prog "" "" ; then
4612   memfd=yes
4613 fi
4614
4615 # check for usbfs
4616 have_usbfs=no
4617 if test "$linux_user" = "yes"; then
4618   cat > $TMPC << EOF
4619 #include <linux/usbdevice_fs.h>
4620
4621 #ifndef USBDEVFS_GET_CAPABILITIES
4622 #error "USBDEVFS_GET_CAPABILITIES undefined"
4623 #endif
4624
4625 #ifndef USBDEVFS_DISCONNECT_CLAIM
4626 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4627 #endif
4628
4629 int main(void)
4630 {
4631     return 0;
4632 }
4633 EOF
4634   if compile_prog "" ""; then
4635     have_usbfs=yes
4636   fi
4637 fi
4638
4639 # check for fallocate
4640 fallocate=no
4641 cat > $TMPC << EOF
4642 #include <fcntl.h>
4643
4644 int main(void)
4645 {
4646     fallocate(0, 0, 0, 0);
4647     return 0;
4648 }
4649 EOF
4650 if compile_prog "" "" ; then
4651   fallocate=yes
4652 fi
4653
4654 # check for fallocate hole punching
4655 fallocate_punch_hole=no
4656 cat > $TMPC << EOF
4657 #include <fcntl.h>
4658 #include <linux/falloc.h>
4659
4660 int main(void)
4661 {
4662     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4663     return 0;
4664 }
4665 EOF
4666 if compile_prog "" "" ; then
4667   fallocate_punch_hole=yes
4668 fi
4669
4670 # check that fallocate supports range zeroing inside the file
4671 fallocate_zero_range=no
4672 cat > $TMPC << EOF
4673 #include <fcntl.h>
4674 #include <linux/falloc.h>
4675
4676 int main(void)
4677 {
4678     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4679     return 0;
4680 }
4681 EOF
4682 if compile_prog "" "" ; then
4683   fallocate_zero_range=yes
4684 fi
4685
4686 # check for posix_fallocate
4687 posix_fallocate=no
4688 cat > $TMPC << EOF
4689 #include <fcntl.h>
4690
4691 int main(void)
4692 {
4693     posix_fallocate(0, 0, 0);
4694     return 0;
4695 }
4696 EOF
4697 if compile_prog "" "" ; then
4698     posix_fallocate=yes
4699 fi
4700
4701 # check for sync_file_range
4702 sync_file_range=no
4703 cat > $TMPC << EOF
4704 #include <fcntl.h>
4705
4706 int main(void)
4707 {
4708     sync_file_range(0, 0, 0, 0);
4709     return 0;
4710 }
4711 EOF
4712 if compile_prog "" "" ; then
4713   sync_file_range=yes
4714 fi
4715
4716 # check for linux/fiemap.h and FS_IOC_FIEMAP
4717 fiemap=no
4718 cat > $TMPC << EOF
4719 #include <sys/ioctl.h>
4720 #include <linux/fs.h>
4721 #include <linux/fiemap.h>
4722
4723 int main(void)
4724 {
4725     ioctl(0, FS_IOC_FIEMAP, 0);
4726     return 0;
4727 }
4728 EOF
4729 if compile_prog "" "" ; then
4730   fiemap=yes
4731 fi
4732
4733 # check for dup3
4734 dup3=no
4735 cat > $TMPC << EOF
4736 #include <unistd.h>
4737
4738 int main(void)
4739 {
4740     dup3(0, 0, 0);
4741     return 0;
4742 }
4743 EOF
4744 if compile_prog "" "" ; then
4745   dup3=yes
4746 fi
4747
4748 # check for ppoll support
4749 ppoll=no
4750 cat > $TMPC << EOF
4751 #include <poll.h>
4752
4753 int main(void)
4754 {
4755     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4756     ppoll(&pfd, 1, 0, 0);
4757     return 0;
4758 }
4759 EOF
4760 if compile_prog "" "" ; then
4761   ppoll=yes
4762 fi
4763
4764 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4765 prctl_pr_set_timerslack=no
4766 cat > $TMPC << EOF
4767 #include <sys/prctl.h>
4768
4769 int main(void)
4770 {
4771     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4772     return 0;
4773 }
4774 EOF
4775 if compile_prog "" "" ; then
4776   prctl_pr_set_timerslack=yes
4777 fi
4778
4779 # check for epoll support
4780 epoll=no
4781 cat > $TMPC << EOF
4782 #include <sys/epoll.h>
4783
4784 int main(void)
4785 {
4786     epoll_create(0);
4787     return 0;
4788 }
4789 EOF
4790 if compile_prog "" "" ; then
4791   epoll=yes
4792 fi
4793
4794 # epoll_create1 is a later addition
4795 # so we must check separately for its presence
4796 epoll_create1=no
4797 cat > $TMPC << EOF
4798 #include <sys/epoll.h>
4799
4800 int main(void)
4801 {
4802     /* Note that we use epoll_create1 as a value, not as
4803      * a function being called. This is necessary so that on
4804      * old SPARC glibc versions where the function was present in
4805      * the library but not declared in the header file we will
4806      * fail the configure check. (Otherwise we will get a compiler
4807      * warning but not an error, and will proceed to fail the
4808      * qemu compile where we compile with -Werror.)
4809      */
4810     return (int)(uintptr_t)&epoll_create1;
4811 }
4812 EOF
4813 if compile_prog "" "" ; then
4814   epoll_create1=yes
4815 fi
4816
4817 # check for sendfile support
4818 sendfile=no
4819 cat > $TMPC << EOF
4820 #include <sys/sendfile.h>
4821
4822 int main(void)
4823 {
4824     return sendfile(0, 0, 0, 0);
4825 }
4826 EOF
4827 if compile_prog "" "" ; then
4828   sendfile=yes
4829 fi
4830
4831 # check for timerfd support (glibc 2.8 and newer)
4832 timerfd=no
4833 cat > $TMPC << EOF
4834 #include <sys/timerfd.h>
4835
4836 int main(void)
4837 {
4838     return(timerfd_create(CLOCK_REALTIME, 0));
4839 }
4840 EOF
4841 if compile_prog "" "" ; then
4842   timerfd=yes
4843 fi
4844
4845 # check for setns and unshare support
4846 setns=no
4847 cat > $TMPC << EOF
4848 #include <sched.h>
4849
4850 int main(void)
4851 {
4852     int ret;
4853     ret = setns(0, 0);
4854     ret = unshare(0);
4855     return ret;
4856 }
4857 EOF
4858 if compile_prog "" "" ; then
4859   setns=yes
4860 fi
4861
4862 # clock_adjtime probe
4863 clock_adjtime=no
4864 cat > $TMPC <<EOF
4865 #include <time.h>
4866
4867 int main(void)
4868 {
4869     return clock_adjtime(0, 0);
4870 }
4871 EOF
4872 clock_adjtime=no
4873 if compile_prog "" "" ; then
4874   clock_adjtime=yes
4875 fi
4876
4877 # syncfs probe
4878 syncfs=no
4879 cat > $TMPC <<EOF
4880 #include <unistd.h>
4881
4882 int main(void)
4883 {
4884     return syncfs(0);
4885 }
4886 EOF
4887 syncfs=no
4888 if compile_prog "" "" ; then
4889   syncfs=yes
4890 fi
4891
4892 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4893 kcov=no
4894 if check_include sys/kcov.h ; then
4895     kcov=yes
4896 fi
4897
4898 # Check we have a new enough version of sphinx-build
4899 has_sphinx_build() {
4900     # This is a bit awkward but works: create a trivial document and
4901     # try to run it with our configuration file (which enforces a
4902     # version requirement). This will fail if either
4903     # sphinx-build doesn't exist at all or if it is too old.
4904     mkdir -p "$TMPDIR1/sphinx"
4905     touch "$TMPDIR1/sphinx/index.rst"
4906     "$sphinx_build" -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4907 }
4908
4909 # Check if tools are available to build documentation.
4910 if test "$docs" != "no" ; then
4911   if has_sphinx_build; then
4912     sphinx_ok=yes
4913   else
4914     sphinx_ok=no
4915   fi
4916   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4917     docs=yes
4918   else
4919     if test "$docs" = "yes" ; then
4920       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4921         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4922       fi
4923       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4924     fi
4925     docs=no
4926   fi
4927 fi
4928
4929 # Search for bswap_32 function
4930 byteswap_h=no
4931 cat > $TMPC << EOF
4932 #include <byteswap.h>
4933 int main(void) { return bswap_32(0); }
4934 EOF
4935 if compile_prog "" "" ; then
4936   byteswap_h=yes
4937 fi
4938
4939 # Search for bswap32 function
4940 bswap_h=no
4941 cat > $TMPC << EOF
4942 #include <sys/endian.h>
4943 #include <sys/types.h>
4944 #include <machine/bswap.h>
4945 int main(void) { return bswap32(0); }
4946 EOF
4947 if compile_prog "" "" ; then
4948   bswap_h=yes
4949 fi
4950
4951 ##########################################
4952 # Do we have libiscsi >= 1.9.0
4953 if test "$libiscsi" != "no" ; then
4954   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4955     libiscsi="yes"
4956     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4957     libiscsi_libs=$($pkg_config --libs libiscsi)
4958   else
4959     if test "$libiscsi" = "yes" ; then
4960       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4961     fi
4962     libiscsi="no"
4963   fi
4964 fi
4965
4966 ##########################################
4967 # Do we need libm
4968 cat > $TMPC << EOF
4969 #include <math.h>
4970 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4971 EOF
4972 if compile_prog "" "" ; then
4973   :
4974 elif compile_prog "" "-lm" ; then
4975   LIBS="-lm $LIBS"
4976   libs_qga="-lm $libs_qga"
4977 else
4978   error_exit "libm check failed"
4979 fi
4980
4981 ##########################################
4982 # Do we need librt
4983 # uClibc provides 2 versions of clock_gettime(), one with realtime
4984 # support and one without. This means that the clock_gettime() don't
4985 # need -lrt. We still need it for timer_create() so we check for this
4986 # function in addition.
4987 cat > $TMPC <<EOF
4988 #include <signal.h>
4989 #include <time.h>
4990 int main(void) {
4991   timer_create(CLOCK_REALTIME, NULL, NULL);
4992   return clock_gettime(CLOCK_REALTIME, NULL);
4993 }
4994 EOF
4995
4996 if compile_prog "" "" ; then
4997   :
4998 # we need pthread for static linking. use previous pthread test result
4999 elif compile_prog "" "$pthread_lib -lrt" ; then
5000   LIBS="$LIBS -lrt"
5001   libs_qga="$libs_qga -lrt"
5002 fi
5003
5004 # Check whether we need to link libutil for openpty()
5005 cat > $TMPC << EOF
5006 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5007 int main(void) { return openpty(0, 0, 0, 0, 0); }
5008 EOF
5009
5010 if ! compile_prog "" "" ; then
5011   if compile_prog "" "-lutil" ; then
5012     libs_softmmu="-lutil $libs_softmmu"
5013     libs_tools="-lutil $libs_tools"
5014   fi
5015 fi
5016
5017 ##########################################
5018 # spice probe
5019 if test "$spice" != "no" ; then
5020   cat > $TMPC << EOF
5021 #include <spice.h>
5022 int main(void) { spice_server_new(); return 0; }
5023 EOF
5024   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5025   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5026   if $pkg_config --atleast-version=0.12.5 spice-server && \
5027      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5028      compile_prog "$spice_cflags" "$spice_libs" ; then
5029     spice="yes"
5030     libs_softmmu="$libs_softmmu $spice_libs"
5031     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5032     spice_protocol_version=$($pkg_config --modversion spice-protocol)
5033     spice_server_version=$($pkg_config --modversion spice-server)
5034   else
5035     if test "$spice" = "yes" ; then
5036       feature_not_found "spice" \
5037           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5038     fi
5039     spice="no"
5040   fi
5041 fi
5042
5043 # check for smartcard support
5044 if test "$smartcard" != "no"; then
5045     if $pkg_config --atleast-version=2.5.1 libcacard; then
5046         libcacard_cflags=$($pkg_config --cflags libcacard)
5047         libcacard_libs=$($pkg_config --libs libcacard)
5048         smartcard="yes"
5049     else
5050         if test "$smartcard" = "yes"; then
5051             feature_not_found "smartcard" "Install libcacard devel"
5052         fi
5053         smartcard="no"
5054     fi
5055 fi
5056
5057 # check for libusb
5058 if test "$libusb" != "no" ; then
5059     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5060         libusb="yes"
5061         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5062         libusb_libs=$($pkg_config --libs libusb-1.0)
5063     else
5064         if test "$libusb" = "yes"; then
5065             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5066         fi
5067         libusb="no"
5068     fi
5069 fi
5070
5071 # check for usbredirparser for usb network redirection support
5072 if test "$usb_redir" != "no" ; then
5073     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5074         usb_redir="yes"
5075         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5076         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5077     else
5078         if test "$usb_redir" = "yes"; then
5079             feature_not_found "usb-redir" "Install usbredir devel"
5080         fi
5081         usb_redir="no"
5082     fi
5083 fi
5084
5085 ##########################################
5086 # check if we have VSS SDK headers for win
5087
5088 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5089         test "$vss_win32_sdk" != "no" ; then
5090   case "$vss_win32_sdk" in
5091     "")   vss_win32_include="-isystem $source_path" ;;
5092     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5093           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5094           vss_win32_include="-isystem $source_path/.sdk/vss"
5095           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5096           ;;
5097     *)    vss_win32_include="-isystem $vss_win32_sdk"
5098   esac
5099   cat > $TMPC << EOF
5100 #define __MIDL_user_allocate_free_DEFINED__
5101 #include <inc/win2003/vss.h>
5102 int main(void) { return VSS_CTX_BACKUP; }
5103 EOF
5104   if compile_prog "$vss_win32_include" "" ; then
5105     guest_agent_with_vss="yes"
5106     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5107     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5108     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5109   else
5110     if test "$vss_win32_sdk" != "" ; then
5111       echo "ERROR: Please download and install Microsoft VSS SDK:"
5112       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5113       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5114       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5115       echo "ERROR: The headers are extracted in the directory \`inc'."
5116       feature_not_found "VSS support"
5117     fi
5118     guest_agent_with_vss="no"
5119   fi
5120 fi
5121
5122 ##########################################
5123 # lookup Windows platform SDK (if not specified)
5124 # The SDK is needed only to build .tlb (type library) file of guest agent
5125 # VSS provider from the source. It is usually unnecessary because the
5126 # pre-compiled .tlb file is included.
5127
5128 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5129         test "$guest_agent_with_vss" = "yes" ; then
5130   if test -z "$win_sdk"; then
5131     programfiles="$PROGRAMFILES"
5132     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5133     if test -n "$programfiles"; then
5134       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5135     else
5136       feature_not_found "Windows SDK"
5137     fi
5138   elif test "$win_sdk" = "no"; then
5139     win_sdk=""
5140   fi
5141 fi
5142
5143 ##########################################
5144 # check if mingw environment provides a recent ntddscsi.h
5145 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5146   cat > $TMPC << EOF
5147 #include <windows.h>
5148 #include <ntddscsi.h>
5149 int main(void) {
5150 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5151 #error Missing required ioctl definitions
5152 #endif
5153   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5154   return addr.Lun;
5155 }
5156 EOF
5157   if compile_prog "" "" ; then
5158     guest_agent_ntddscsi=yes
5159     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5160   fi
5161 fi
5162
5163 ##########################################
5164 # virgl renderer probe
5165
5166 if test "$virglrenderer" != "no" ; then
5167   cat > $TMPC << EOF
5168 #include <virglrenderer.h>
5169 int main(void) { virgl_renderer_poll(); return 0; }
5170 EOF
5171   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5172   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5173   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5174   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5175      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5176     virglrenderer="yes"
5177   else
5178     if test "$virglrenderer" = "yes" ; then
5179       feature_not_found "virglrenderer"
5180     fi
5181     virglrenderer="no"
5182   fi
5183 fi
5184
5185 ##########################################
5186 # capstone
5187
5188 case "$capstone" in
5189   "" | yes)
5190     if $pkg_config capstone; then
5191       capstone=system
5192     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5193       capstone=git
5194     elif test -e "${source_path}/capstone/Makefile" ; then
5195       capstone=internal
5196     elif test -z "$capstone" ; then
5197       capstone=no
5198     else
5199       feature_not_found "capstone" "Install capstone devel or git submodule"
5200     fi
5201     ;;
5202
5203   system)
5204     if ! $pkg_config capstone; then
5205       feature_not_found "capstone" "Install capstone devel"
5206     fi
5207     ;;
5208 esac
5209
5210 case "$capstone" in
5211   git | internal)
5212     if test "$capstone" = git; then
5213       git_submodules="${git_submodules} capstone"
5214     fi
5215     mkdir -p capstone
5216     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5217     if test "$mingw32" = "yes"; then
5218       LIBCAPSTONE=capstone.lib
5219     else
5220       LIBCAPSTONE=libcapstone.a
5221     fi
5222     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5223     ;;
5224
5225   system)
5226     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5227     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5228     ;;
5229
5230   no)
5231     ;;
5232   *)
5233     error_exit "Unknown state for capstone: $capstone"
5234     ;;
5235 esac
5236
5237 ##########################################
5238 # check if we have fdatasync
5239
5240 fdatasync=no
5241 cat > $TMPC << EOF
5242 #include <unistd.h>
5243 int main(void) {
5244 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5245 return fdatasync(0);
5246 #else
5247 #error Not supported
5248 #endif
5249 }
5250 EOF
5251 if compile_prog "" "" ; then
5252     fdatasync=yes
5253 fi
5254
5255 ##########################################
5256 # check if we have madvise
5257
5258 madvise=no
5259 cat > $TMPC << EOF
5260 #include <sys/types.h>
5261 #include <sys/mman.h>
5262 #include <stddef.h>
5263 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5264 EOF
5265 if compile_prog "" "" ; then
5266     madvise=yes
5267 fi
5268
5269 ##########################################
5270 # check if we have posix_madvise
5271
5272 posix_madvise=no
5273 cat > $TMPC << EOF
5274 #include <sys/mman.h>
5275 #include <stddef.h>
5276 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5277 EOF
5278 if compile_prog "" "" ; then
5279     posix_madvise=yes
5280 fi
5281
5282 ##########################################
5283 # check if we have posix_memalign()
5284
5285 posix_memalign=no
5286 cat > $TMPC << EOF
5287 #include <stdlib.h>
5288 int main(void) {
5289     void *p;
5290     return posix_memalign(&p, 8, 8);
5291 }
5292 EOF
5293 if compile_prog "" "" ; then
5294     posix_memalign=yes
5295 fi
5296
5297 ##########################################
5298 # check if we have posix_syslog
5299
5300 posix_syslog=no
5301 cat > $TMPC << EOF
5302 #include <syslog.h>
5303 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5304 EOF
5305 if compile_prog "" "" ; then
5306     posix_syslog=yes
5307 fi
5308
5309 ##########################################
5310 # check if we have sem_timedwait
5311
5312 sem_timedwait=no
5313 cat > $TMPC << EOF
5314 #include <semaphore.h>
5315 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5316 EOF
5317 if compile_prog "" "" ; then
5318     sem_timedwait=yes
5319 fi
5320
5321 ##########################################
5322 # check if we have strchrnul
5323
5324 strchrnul=no
5325 cat > $TMPC << EOF
5326 #include <string.h>
5327 int main(void);
5328 // Use a haystack that the compiler shouldn't be able to constant fold
5329 char *haystack = (char*)&main;
5330 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5331 EOF
5332 if compile_prog "" "" ; then
5333     strchrnul=yes
5334 fi
5335
5336 #########################################
5337 # check if we have st_atim
5338
5339 st_atim=no
5340 cat > $TMPC << EOF
5341 #include <sys/stat.h>
5342 #include <stddef.h>
5343 int main(void) { return offsetof(struct stat, st_atim); }
5344 EOF
5345 if compile_prog "" "" ; then
5346     st_atim=yes
5347 fi
5348
5349 ##########################################
5350 # check if trace backend exists
5351
5352 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5353 if test "$?" -ne 0 ; then
5354   error_exit "invalid trace backends" \
5355       "Please choose supported trace backends."
5356 fi
5357
5358 ##########################################
5359 # For 'ust' backend, test if ust headers are present
5360 if have_backend "ust"; then
5361   cat > $TMPC << EOF
5362 #include <lttng/tracepoint.h>
5363 int main(void) { return 0; }
5364 EOF
5365   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5366     if $pkg_config lttng-ust --exists; then
5367       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5368     else
5369       lttng_ust_libs="-llttng-ust -ldl"
5370     fi
5371     if $pkg_config liburcu-bp --exists; then
5372       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5373     else
5374       urcu_bp_libs="-lurcu-bp"
5375     fi
5376
5377     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5378     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5379   else
5380     error_exit "Trace backend 'ust' missing lttng-ust header files"
5381   fi
5382 fi
5383
5384 ##########################################
5385 # For 'dtrace' backend, test if 'dtrace' command is present
5386 if have_backend "dtrace"; then
5387   if ! has 'dtrace' ; then
5388     error_exit "dtrace command is not found in PATH $PATH"
5389   fi
5390   trace_backend_stap="no"
5391   if has 'stap' ; then
5392     trace_backend_stap="yes"
5393   fi
5394 fi
5395
5396 ##########################################
5397 # check and set a backend for coroutine
5398
5399 # We prefer ucontext, but it's not always possible. The fallback
5400 # is sigcontext. On Windows the only valid backend is the Windows
5401 # specific one.
5402
5403 ucontext_works=no
5404 if test "$darwin" != "yes"; then
5405   cat > $TMPC << EOF
5406 #include <ucontext.h>
5407 #ifdef __stub_makecontext
5408 #error Ignoring glibc stub makecontext which will always fail
5409 #endif
5410 int main(void) { makecontext(0, 0, 0); return 0; }
5411 EOF
5412   if compile_prog "" "" ; then
5413     ucontext_works=yes
5414   fi
5415 fi
5416
5417 if test "$coroutine" = ""; then
5418   if test "$mingw32" = "yes"; then
5419     coroutine=win32
5420   elif test "$ucontext_works" = "yes"; then
5421     coroutine=ucontext
5422   else
5423     coroutine=sigaltstack
5424   fi
5425 else
5426   case $coroutine in
5427   windows)
5428     if test "$mingw32" != "yes"; then
5429       error_exit "'windows' coroutine backend only valid for Windows"
5430     fi
5431     # Unfortunately the user visible backend name doesn't match the
5432     # coroutine-*.c filename for this case, so we have to adjust it here.
5433     coroutine=win32
5434     ;;
5435   ucontext)
5436     if test "$ucontext_works" != "yes"; then
5437       feature_not_found "ucontext"
5438     fi
5439     ;;
5440   sigaltstack)
5441     if test "$mingw32" = "yes"; then
5442       error_exit "only the 'windows' coroutine backend is valid for Windows"
5443     fi
5444     ;;
5445   *)
5446     error_exit "unknown coroutine backend $coroutine"
5447     ;;
5448   esac
5449 fi
5450
5451 if test "$coroutine_pool" = ""; then
5452   coroutine_pool=yes
5453 fi
5454
5455 if test "$debug_stack_usage" = "yes"; then
5456   if test "$coroutine_pool" = "yes"; then
5457     echo "WARN: disabling coroutine pool for stack usage debugging"
5458     coroutine_pool=no
5459   fi
5460 fi
5461
5462
5463 ##########################################
5464 # check if we have open_by_handle_at
5465
5466 open_by_handle_at=no
5467 cat > $TMPC << EOF
5468 #include <fcntl.h>
5469 #if !defined(AT_EMPTY_PATH)
5470 # error missing definition
5471 #else
5472 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5473 #endif
5474 EOF
5475 if compile_prog "" "" ; then
5476     open_by_handle_at=yes
5477 fi
5478
5479 ########################################
5480 # check if we have linux/magic.h
5481
5482 linux_magic_h=no
5483 cat > $TMPC << EOF
5484 #include <linux/magic.h>
5485 int main(void) {
5486   return 0;
5487 }
5488 EOF
5489 if compile_prog "" "" ; then
5490     linux_magic_h=yes
5491 fi
5492
5493 ########################################
5494 # check whether we can disable warning option with a pragma (this is needed
5495 # to silence warnings in the headers of some versions of external libraries).
5496 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5497 # only a warning.
5498 #
5499 # If we can't selectively disable warning in the code, disable -Werror so that
5500 # the build doesn't fail anyway.
5501
5502 pragma_disable_unused_but_set=no
5503 cat > $TMPC << EOF
5504 #pragma GCC diagnostic push
5505 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5506 #pragma GCC diagnostic pop
5507
5508 int main(void) {
5509     return 0;
5510 }
5511 EOF
5512 if compile_prog "-Werror" "" ; then
5513     pragma_diagnostic_available=yes
5514 else
5515     werror=no
5516 fi
5517
5518 ########################################
5519 # check if we have valgrind/valgrind.h
5520
5521 valgrind_h=no
5522 cat > $TMPC << EOF
5523 #include <valgrind/valgrind.h>
5524 int main(void) {
5525   return 0;
5526 }
5527 EOF
5528 if compile_prog "" "" ; then
5529     valgrind_h=yes
5530 fi
5531
5532 ########################################
5533 # check if environ is declared
5534
5535 has_environ=no
5536 cat > $TMPC << EOF
5537 #include <unistd.h>
5538 int main(void) {
5539     environ = 0;
5540     return 0;
5541 }
5542 EOF
5543 if compile_prog "" "" ; then
5544     has_environ=yes
5545 fi
5546
5547 ########################################
5548 # check if cpuid.h is usable.
5549
5550 cat > $TMPC << EOF
5551 #include <cpuid.h>
5552 int main(void) {
5553     unsigned a, b, c, d;
5554     int max = __get_cpuid_max(0, 0);
5555
5556     if (max >= 1) {
5557         __cpuid(1, a, b, c, d);
5558     }
5559
5560     if (max >= 7) {
5561         __cpuid_count(7, 0, a, b, c, d);
5562     }
5563
5564     return 0;
5565 }
5566 EOF
5567 if compile_prog "" "" ; then
5568     cpuid_h=yes
5569 fi
5570
5571 ##########################################
5572 # avx2 optimization requirement check
5573 #
5574 # There is no point enabling this if cpuid.h is not usable,
5575 # since we won't be able to select the new routines.
5576
5577 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5578   cat > $TMPC << EOF
5579 #pragma GCC push_options
5580 #pragma GCC target("avx2")
5581 #include <cpuid.h>
5582 #include <immintrin.h>
5583 static int bar(void *a) {
5584     __m256i x = *(__m256i *)a;
5585     return _mm256_testz_si256(x, x);
5586 }
5587 int main(int argc, char *argv[]) { return bar(argv[0]); }
5588 EOF
5589   if compile_object "" ; then
5590     avx2_opt="yes"
5591   else
5592     avx2_opt="no"
5593   fi
5594 fi
5595
5596 ##########################################
5597 # avx512f optimization requirement check
5598 #
5599 # There is no point enabling this if cpuid.h is not usable,
5600 # since we won't be able to select the new routines.
5601 # by default, it is turned off.
5602 # if user explicitly want to enable it, check environment
5603
5604 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5605   cat > $TMPC << EOF
5606 #pragma GCC push_options
5607 #pragma GCC target("avx512f")
5608 #include <cpuid.h>
5609 #include <immintrin.h>
5610 static int bar(void *a) {
5611     __m512i x = *(__m512i *)a;
5612     return _mm512_test_epi64_mask(x, x);
5613 }
5614 int main(int argc, char *argv[])
5615 {
5616         return bar(argv[0]);
5617 }
5618 EOF
5619   if ! compile_object "" ; then
5620     avx512f_opt="no"
5621   fi
5622 else
5623   avx512f_opt="no"
5624 fi
5625
5626 ########################################
5627 # check if __[u]int128_t is usable.
5628
5629 int128=no
5630 cat > $TMPC << EOF
5631 __int128_t a;
5632 __uint128_t b;
5633 int main (void) {
5634   a = a + b;
5635   b = a * b;
5636   a = a * a;
5637   return 0;
5638 }
5639 EOF
5640 if compile_prog "" "" ; then
5641     int128=yes
5642 fi
5643
5644 #########################################
5645 # See if 128-bit atomic operations are supported.
5646
5647 atomic128=no
5648 if test "$int128" = "yes"; then
5649   cat > $TMPC << EOF
5650 int main(void)
5651 {
5652   unsigned __int128 x = 0, y = 0;
5653   y = __atomic_load_16(&x, 0);
5654   __atomic_store_16(&x, y, 0);
5655   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5656   return 0;
5657 }
5658 EOF
5659   if compile_prog "" "" ; then
5660     atomic128=yes
5661   fi
5662 fi
5663
5664 cmpxchg128=no
5665 if test "$int128" = yes && test "$atomic128" = no; then
5666   cat > $TMPC << EOF
5667 int main(void)
5668 {
5669   unsigned __int128 x = 0, y = 0;
5670   __sync_val_compare_and_swap_16(&x, y, x);
5671   return 0;
5672 }
5673 EOF
5674   if compile_prog "" "" ; then
5675     cmpxchg128=yes
5676   fi
5677 fi
5678
5679 #########################################
5680 # See if 64-bit atomic operations are supported.
5681 # Note that without __atomic builtins, we can only
5682 # assume atomic loads/stores max at pointer size.
5683
5684 cat > $TMPC << EOF
5685 #include <stdint.h>
5686 int main(void)
5687 {
5688   uint64_t x = 0, y = 0;
5689 #ifdef __ATOMIC_RELAXED
5690   y = __atomic_load_8(&x, 0);
5691   __atomic_store_8(&x, y, 0);
5692   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5693   __atomic_exchange_8(&x, y, 0);
5694   __atomic_fetch_add_8(&x, y, 0);
5695 #else
5696   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5697   __sync_lock_test_and_set(&x, y);
5698   __sync_val_compare_and_swap(&x, y, 0);
5699   __sync_fetch_and_add(&x, y);
5700 #endif
5701   return 0;
5702 }
5703 EOF
5704 if compile_prog "" "" ; then
5705   atomic64=yes
5706 fi
5707
5708 #########################################
5709 # See if --dynamic-list is supported by the linker
5710 ld_dynamic_list="no"
5711 if test "$static" = "no" ; then
5712     cat > $TMPTXT <<EOF
5713 {
5714   foo;
5715 };
5716 EOF
5717
5718     cat > $TMPC <<EOF
5719 #include <stdio.h>
5720 void foo(void);
5721
5722 void foo(void)
5723 {
5724   printf("foo\n");
5725 }
5726
5727 int main(void)
5728 {
5729   foo();
5730   return 0;
5731 }
5732 EOF
5733
5734     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5735         ld_dynamic_list="yes"
5736     fi
5737 fi
5738
5739 #########################################
5740 # See if -exported_symbols_list is supported by the linker
5741
5742 ld_exported_symbols_list="no"
5743 if test "$static" = "no" ; then
5744     cat > $TMPTXT <<EOF
5745   _foo
5746 EOF
5747
5748     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5749         ld_exported_symbols_list="yes"
5750     fi
5751 fi
5752
5753 if  test "$plugins" = "yes" &&
5754     test "$ld_dynamic_list" = "no" &&
5755     test "$ld_exported_symbols_list" = "no" ; then
5756   error_exit \
5757       "Plugin support requires dynamic linking and specifying a set of symbols " \
5758       "that are exported to plugins. Unfortunately your linker doesn't " \
5759       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5760       "for this purpose. You can't build with --static."
5761 fi
5762
5763 ########################################
5764 # See if 16-byte vector operations are supported.
5765 # Even without a vector unit the compiler may expand these.
5766 # There is a bug in old GCC for PPC that crashes here.
5767 # Unfortunately it's the system compiler for Centos 7.
5768
5769 cat > $TMPC << EOF
5770 typedef unsigned char U1 __attribute__((vector_size(16)));
5771 typedef unsigned short U2 __attribute__((vector_size(16)));
5772 typedef unsigned int U4 __attribute__((vector_size(16)));
5773 typedef unsigned long long U8 __attribute__((vector_size(16)));
5774 typedef signed char S1 __attribute__((vector_size(16)));
5775 typedef signed short S2 __attribute__((vector_size(16)));
5776 typedef signed int S4 __attribute__((vector_size(16)));
5777 typedef signed long long S8 __attribute__((vector_size(16)));
5778 static U1 a1, b1;
5779 static U2 a2, b2;
5780 static U4 a4, b4;
5781 static U8 a8, b8;
5782 static S1 c1;
5783 static S2 c2;
5784 static S4 c4;
5785 static S8 c8;
5786 static int i;
5787 void helper(void *d, void *a, int shift, int i);
5788 void helper(void *d, void *a, int shift, int i)
5789 {
5790   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5791   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5792   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5793   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5794 }
5795 int main(void)
5796 {
5797   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5798   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5799   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5800   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5801   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5802   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5803   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5804   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5805   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5806   return 0;
5807 }
5808 EOF
5809
5810 vector16=no
5811 if compile_prog "" "" ; then
5812   vector16=yes
5813 fi
5814
5815 ########################################
5816 # See if __attribute__((alias)) is supported.
5817 # This false for Xcode 9, but has been remedied for Xcode 10.
5818 # Unfortunately, travis uses Xcode 9 by default.
5819
5820 attralias=no
5821 cat > $TMPC << EOF
5822 int x = 1;
5823 extern const int y __attribute__((alias("x")));
5824 int main(void) { return 0; }
5825 EOF
5826 if compile_prog "" "" ; then
5827     attralias=yes
5828 fi
5829
5830 ########################################
5831 # check if getauxval is available.
5832
5833 getauxval=no
5834 cat > $TMPC << EOF
5835 #include <sys/auxv.h>
5836 int main(void) {
5837   return getauxval(AT_HWCAP) == 0;
5838 }
5839 EOF
5840 if compile_prog "" "" ; then
5841     getauxval=yes
5842 fi
5843
5844 ########################################
5845 # check if ccache is interfering with
5846 # semantic analysis of macros
5847
5848 unset CCACHE_CPP2
5849 ccache_cpp2=no
5850 cat > $TMPC << EOF
5851 static const int Z = 1;
5852 #define fn() ({ Z; })
5853 #define TAUT(X) ((X) == Z)
5854 #define PAREN(X, Y) (X == Y)
5855 #define ID(X) (X)
5856 int main(int argc, char *argv[])
5857 {
5858     int x = 0, y = 0;
5859     x = ID(x);
5860     x = fn();
5861     fn();
5862     if (PAREN(x, y)) return 0;
5863     if (TAUT(Z)) return 0;
5864     return 0;
5865 }
5866 EOF
5867
5868 if ! compile_object "-Werror"; then
5869     ccache_cpp2=yes
5870 fi
5871
5872 #################################################
5873 # clang does not support glibc + FORTIFY_SOURCE.
5874
5875 if test "$fortify_source" != "no"; then
5876   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5877     fortify_source="no";
5878   elif test -n "$cxx" && has $cxx &&
5879        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5880     fortify_source="no";
5881   else
5882     fortify_source="yes"
5883   fi
5884 fi
5885
5886 ###############################################
5887 # Check if copy_file_range is provided by glibc
5888 have_copy_file_range=no
5889 cat > $TMPC << EOF
5890 #include <unistd.h>
5891 int main(void) {
5892   copy_file_range(0, NULL, 0, NULL, 0, 0);
5893   return 0;
5894 }
5895 EOF
5896 if compile_prog "" "" ; then
5897     have_copy_file_range=yes
5898 fi
5899
5900 ##########################################
5901 # check if struct fsxattr is available via linux/fs.h
5902
5903 have_fsxattr=no
5904 cat > $TMPC << EOF
5905 #include <linux/fs.h>
5906 struct fsxattr foo;
5907 int main(void) {
5908   return 0;
5909 }
5910 EOF
5911 if compile_prog "" "" ; then
5912     have_fsxattr=yes
5913 fi
5914
5915 ##########################################
5916 # check for usable membarrier system call
5917 if test "$membarrier" = "yes"; then
5918     have_membarrier=no
5919     if test "$mingw32" = "yes" ; then
5920         have_membarrier=yes
5921     elif test "$linux" = "yes" ; then
5922         cat > $TMPC << EOF
5923     #include <linux/membarrier.h>
5924     #include <sys/syscall.h>
5925     #include <unistd.h>
5926     #include <stdlib.h>
5927     int main(void) {
5928         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5929         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5930         exit(0);
5931     }
5932 EOF
5933         if compile_prog "" "" ; then
5934             have_membarrier=yes
5935         fi
5936     fi
5937     if test "$have_membarrier" = "no"; then
5938       feature_not_found "membarrier" "membarrier system call not available"
5939     fi
5940 else
5941     # Do not enable it by default even for Mingw32, because it doesn't
5942     # work on Wine.
5943     membarrier=no
5944 fi
5945
5946 ##########################################
5947 # check if rtnetlink.h exists and is useful
5948 have_rtnetlink=no
5949 cat > $TMPC << EOF
5950 #include <linux/rtnetlink.h>
5951 int main(void) {
5952   return IFLA_PROTO_DOWN;
5953 }
5954 EOF
5955 if compile_prog "" "" ; then
5956     have_rtnetlink=yes
5957 fi
5958
5959 ##########################################
5960 # check for usable AF_VSOCK environment
5961 have_af_vsock=no
5962 cat > $TMPC << EOF
5963 #include <errno.h>
5964 #include <sys/types.h>
5965 #include <sys/socket.h>
5966 #if !defined(AF_VSOCK)
5967 # error missing AF_VSOCK flag
5968 #endif
5969 #include <linux/vm_sockets.h>
5970 int main(void) {
5971     int sock, ret;
5972     struct sockaddr_vm svm;
5973     socklen_t len = sizeof(svm);
5974     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5975     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5976     if ((ret == -1) && (errno == ENOTCONN)) {
5977         return 0;
5978     }
5979     return -1;
5980 }
5981 EOF
5982 if compile_prog "" "" ; then
5983     have_af_vsock=yes
5984 fi
5985
5986 ##########################################
5987 # check for usable AF_ALG environment
5988 have_afalg=no
5989 cat > $TMPC << EOF
5990 #include <errno.h>
5991 #include <sys/types.h>
5992 #include <sys/socket.h>
5993 #include <linux/if_alg.h>
5994 int main(void) {
5995     int sock;
5996     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5997     return sock;
5998 }
5999 EOF
6000 if compile_prog "" "" ; then
6001     have_afalg=yes
6002 fi
6003 if test "$crypto_afalg" = "yes"
6004 then
6005     if test "$have_afalg" != "yes"
6006     then
6007         error_exit "AF_ALG requested but could not be detected"
6008     fi
6009 fi
6010
6011
6012 #################################################
6013 # Check to see if we have the Hypervisor framework
6014 if [ "$darwin" = "yes" ] ; then
6015   cat > $TMPC << EOF
6016 #include <Hypervisor/hv.h>
6017 int main() { return 0;}
6018 EOF
6019   if ! compile_object ""; then
6020     hvf='no'
6021   else
6022     hvf='yes'
6023     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6024   fi
6025 fi
6026
6027 #################################################
6028 # Sparc implicitly links with --relax, which is
6029 # incompatible with -r, so --no-relax should be
6030 # given. It does no harm to give it on other
6031 # platforms too.
6032
6033 # Note: the prototype is needed since QEMU_CFLAGS
6034 #       contains -Wmissing-prototypes
6035 cat > $TMPC << EOF
6036 extern int foo(void);
6037 int foo(void) { return 0; }
6038 EOF
6039 if ! compile_object ""; then
6040   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6041 fi
6042 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6043   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6044     LD_REL_FLAGS=$i
6045     break
6046   fi
6047 done
6048 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6049   feature_not_found "modules" "Cannot find how to build relocatable objects"
6050 fi
6051
6052 ##########################################
6053 # check for sysmacros.h
6054
6055 have_sysmacros=no
6056 cat > $TMPC << EOF
6057 #include <sys/sysmacros.h>
6058 int main(void) {
6059     return makedev(0, 0);
6060 }
6061 EOF
6062 if compile_prog "" "" ; then
6063     have_sysmacros=yes
6064 fi
6065
6066 ##########################################
6067 # Veritas HyperScale block driver VxHS
6068 # Check if libvxhs is installed
6069
6070 if test "$vxhs" != "no" ; then
6071   cat > $TMPC <<EOF
6072 #include <stdint.h>
6073 #include <qnio/qnio_api.h>
6074
6075 void *vxhs_callback;
6076
6077 int main(void) {
6078     iio_init(QNIO_VERSION, vxhs_callback);
6079     return 0;
6080 }
6081 EOF
6082   vxhs_libs="-lvxhs -lssl"
6083   if compile_prog "" "$vxhs_libs" ; then
6084     vxhs=yes
6085   else
6086     if test "$vxhs" = "yes" ; then
6087       feature_not_found "vxhs block device" "Install libvxhs See github"
6088     fi
6089     vxhs=no
6090   fi
6091 fi
6092
6093 ##########################################
6094 # check for _Static_assert()
6095
6096 have_static_assert=no
6097 cat > $TMPC << EOF
6098 _Static_assert(1, "success");
6099 int main(void) {
6100     return 0;
6101 }
6102 EOF
6103 if compile_prog "" "" ; then
6104     have_static_assert=yes
6105 fi
6106
6107 ##########################################
6108 # check for utmpx.h, it is missing e.g. on OpenBSD
6109
6110 have_utmpx=no
6111 cat > $TMPC << EOF
6112 #include <utmpx.h>
6113 struct utmpx user_info;
6114 int main(void) {
6115     return 0;
6116 }
6117 EOF
6118 if compile_prog "" "" ; then
6119     have_utmpx=yes
6120 fi
6121
6122 ##########################################
6123 # check for getrandom()
6124
6125 have_getrandom=no
6126 cat > $TMPC << EOF
6127 #include <sys/random.h>
6128 int main(void) {
6129     return getrandom(0, 0, GRND_NONBLOCK);
6130 }
6131 EOF
6132 if compile_prog "" "" ; then
6133     have_getrandom=yes
6134 fi
6135
6136 ##########################################
6137 # checks for sanitizers
6138
6139 have_asan=no
6140 have_ubsan=no
6141 have_asan_iface_h=no
6142 have_asan_iface_fiber=no
6143
6144 if test "$sanitizers" = "yes" ; then
6145   write_c_skeleton
6146   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6147       have_asan=yes
6148   fi
6149
6150   # we could use a simple skeleton for flags checks, but this also
6151   # detect the static linking issue of ubsan, see also:
6152   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6153   cat > $TMPC << EOF
6154 #include <stdlib.h>
6155 int main(void) {
6156     void *tmp = malloc(10);
6157     return *(int *)(tmp + 2);
6158 }
6159 EOF
6160   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6161       have_ubsan=yes
6162   fi
6163
6164   if check_include "sanitizer/asan_interface.h" ; then
6165       have_asan_iface_h=yes
6166   fi
6167
6168   cat > $TMPC << EOF
6169 #include <sanitizer/asan_interface.h>
6170 int main(void) {
6171   __sanitizer_start_switch_fiber(0, 0, 0);
6172   return 0;
6173 }
6174 EOF
6175   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6176       have_asan_iface_fiber=yes
6177   fi
6178 fi
6179
6180 ##########################################
6181 # checks for fuzzer
6182 if test "$fuzzing" = "yes" ; then
6183   write_c_fuzzer_skeleton
6184   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
6185       have_fuzzer=yes
6186   fi
6187 fi
6188
6189 ##########################################
6190 # check for libpmem
6191
6192 if test "$libpmem" != "no"; then
6193         if $pkg_config --exists "libpmem"; then
6194                 libpmem="yes"
6195                 libpmem_libs=$($pkg_config --libs libpmem)
6196                 libpmem_cflags=$($pkg_config --cflags libpmem)
6197                 libs_softmmu="$libs_softmmu $libpmem_libs"
6198                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6199         else
6200                 if test "$libpmem" = "yes" ; then
6201                         feature_not_found "libpmem" "Install nvml or pmdk"
6202                 fi
6203                 libpmem="no"
6204         fi
6205 fi
6206
6207 ##########################################
6208 # check for slirp
6209
6210 # slirp is only required when building softmmu targets
6211 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6212     slirp="no"
6213 fi
6214
6215 case "$slirp" in
6216   "" | yes)
6217     if $pkg_config slirp; then
6218       slirp=system
6219     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6220       slirp=git
6221     elif test -e "${source_path}/slirp/Makefile" ; then
6222       slirp=internal
6223     elif test -z "$slirp" ; then
6224       slirp=no
6225     else
6226       feature_not_found "slirp" "Install slirp devel or git submodule"
6227     fi
6228     ;;
6229
6230   system)
6231     if ! $pkg_config slirp; then
6232       feature_not_found "slirp" "Install slirp devel"
6233     fi
6234     ;;
6235 esac
6236
6237 case "$slirp" in
6238   git | internal)
6239     if test "$slirp" = git; then
6240       git_submodules="${git_submodules} slirp"
6241     fi
6242     mkdir -p slirp
6243     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6244     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6245     if test "$mingw32" = "yes" ; then
6246       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6247     fi
6248     ;;
6249
6250   system)
6251     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6252     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6253     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6254     ;;
6255
6256   no)
6257     ;;
6258   *)
6259     error_exit "Unknown state for slirp: $slirp"
6260     ;;
6261 esac
6262
6263
6264 ##########################################
6265 # End of CC checks
6266 # After here, no more $cc or $ld runs
6267
6268 write_c_skeleton
6269
6270 if test "$gcov" = "yes" ; then
6271   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6272   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6273 elif test "$fortify_source" = "yes" ; then
6274   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6275 elif test "$debug" = "no"; then
6276   CFLAGS="-O2 $CFLAGS"
6277 fi
6278
6279 if test "$have_asan" = "yes"; then
6280   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6281   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6282   if test "$have_asan_iface_h" = "no" ; then
6283       echo "ASAN build enabled, but ASAN header missing." \
6284            "Without code annotation, the report may be inferior."
6285   elif test "$have_asan_iface_fiber" = "no" ; then
6286       echo "ASAN build enabled, but ASAN header is too old." \
6287            "Without code annotation, the report may be inferior."
6288   fi
6289 fi
6290 if test "$have_ubsan" = "yes"; then
6291   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6292   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6293 fi
6294
6295 ##########################################
6296 # Do we have libnfs
6297 if test "$libnfs" != "no" ; then
6298   if $pkg_config --atleast-version=1.9.3 libnfs; then
6299     libnfs="yes"
6300     libnfs_libs=$($pkg_config --libs libnfs)
6301   else
6302     if test "$libnfs" = "yes" ; then
6303       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6304     fi
6305     libnfs="no"
6306   fi
6307 fi
6308
6309 ##########################################
6310 # Do we have libudev
6311 if test "$libudev" != "no" ; then
6312   if $pkg_config libudev && test "$static" != "yes"; then
6313     libudev="yes"
6314     libudev_libs=$($pkg_config --libs libudev)
6315   else
6316     libudev="no"
6317   fi
6318 fi
6319
6320 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6321 if test "$werror" = "yes"; then
6322     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6323 fi
6324
6325 if test "$solaris" = "no" ; then
6326     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6327         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6328     fi
6329 fi
6330
6331 # test if pod2man has --utf8 option
6332 if pod2man --help | grep -q utf8; then
6333     POD2MAN="pod2man --utf8"
6334 else
6335     POD2MAN="pod2man"
6336 fi
6337
6338 # Use ASLR, no-SEH and DEP if available
6339 if test "$mingw32" = "yes" ; then
6340     for flag in --dynamicbase --no-seh --nxcompat; do
6341         if ld_has $flag ; then
6342             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6343         fi
6344     done
6345 fi
6346
6347 # Disable OpenBSD W^X if available
6348 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6349     cat > $TMPC <<EOF
6350     int main(void) { return 0; }
6351 EOF
6352     wx_ldflags="-Wl,-z,wxneeded"
6353     if compile_prog "" "$wx_ldflags"; then
6354         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6355     fi
6356 fi
6357
6358 qemu_confdir=$sysconfdir$confsuffix
6359 qemu_moddir=$libdir$confsuffix
6360 qemu_datadir=$datadir$confsuffix
6361 qemu_localedir="$datadir/locale"
6362 qemu_icondir="$datadir/icons"
6363 qemu_desktopdir="$datadir/applications"
6364
6365 # We can only support ivshmem if we have eventfd
6366 if [ "$eventfd" = "yes" ]; then
6367   ivshmem=yes
6368 fi
6369
6370 tools=""
6371 if test "$want_tools" = "yes" ; then
6372   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6373   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6374     tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6375   fi
6376   if [ "$ivshmem" = "yes" ]; then
6377     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6378   fi
6379   if [ "$curl" = "yes" ]; then
6380       tools="elf2dmp\$(EXESUF) $tools"
6381   fi
6382 fi
6383 if test "$softmmu" = yes ; then
6384   if test "$linux" = yes; then
6385     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6386       virtfs=yes
6387       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6388     else
6389       if test "$virtfs" = yes; then
6390         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6391       fi
6392       virtfs=no
6393     fi
6394     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6395       mpath=yes
6396     else
6397       if test "$mpath" = yes; then
6398         error_exit "Multipath requires libmpathpersist devel"
6399       fi
6400       mpath=no
6401     fi
6402     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6403   else
6404     if test "$virtfs" = yes; then
6405       error_exit "VirtFS is supported only on Linux"
6406     fi
6407     virtfs=no
6408     if test "$mpath" = yes; then
6409       error_exit "Multipath is supported only on Linux"
6410     fi
6411     mpath=no
6412   fi
6413   if test "$xkbcommon" = "yes"; then
6414     tools="qemu-keymap\$(EXESUF) $tools"
6415   fi
6416 fi
6417
6418 # Probe for guest agent support/options
6419
6420 if [ "$guest_agent" != "no" ]; then
6421   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6422       guest_agent=no
6423   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6424       tools="qemu-ga\$(EXESUF) $tools"
6425       guest_agent=yes
6426   elif [ "$guest_agent" != yes ]; then
6427       guest_agent=no
6428   else
6429       error_exit "Guest agent is not supported on this platform"
6430   fi
6431 fi
6432
6433 # Guest agent Window MSI  package
6434
6435 if test "$guest_agent" != yes; then
6436   if test "$guest_agent_msi" = yes; then
6437     error_exit "MSI guest agent package requires guest agent enabled"
6438   fi
6439   guest_agent_msi=no
6440 elif test "$mingw32" != "yes"; then
6441   if test "$guest_agent_msi" = "yes"; then
6442     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6443   fi
6444   guest_agent_msi=no
6445 elif ! has wixl; then
6446   if test "$guest_agent_msi" = "yes"; then
6447     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6448   fi
6449   guest_agent_msi=no
6450 else
6451   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6452   # disabled explicitly
6453   if test "$guest_agent_msi" != "no"; then
6454     guest_agent_msi=yes
6455   fi
6456 fi
6457
6458 if test "$guest_agent_msi" = "yes"; then
6459   if test "$guest_agent_with_vss" = "yes"; then
6460     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6461   fi
6462
6463   if test "$QEMU_GA_MANUFACTURER" = ""; then
6464     QEMU_GA_MANUFACTURER=QEMU
6465   fi
6466
6467   if test "$QEMU_GA_DISTRO" = ""; then
6468     QEMU_GA_DISTRO=Linux
6469   fi
6470
6471   if test "$QEMU_GA_VERSION" = ""; then
6472       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6473   fi
6474
6475   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6476
6477   case "$cpu" in
6478   x86_64)
6479     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6480     ;;
6481   i386)
6482     QEMU_GA_MSI_ARCH="-D Arch=32"
6483     ;;
6484   *)
6485     error_exit "CPU $cpu not supported for building installation package"
6486     ;;
6487   esac
6488 fi
6489
6490 # Mac OS X ships with a broken assembler
6491 roms=
6492 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6493         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6494         test "$softmmu" = yes ; then
6495     # Different host OS linkers have different ideas about the name of the ELF
6496     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6497     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6498     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6499         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6500             ld_i386_emulation="$emu"
6501             roms="optionrom"
6502             break
6503         fi
6504     done
6505 fi
6506
6507 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6508 if test "$cpu" = "s390x" ; then
6509   write_c_skeleton
6510   if compile_prog "-march=z900" ""; then
6511     roms="$roms s390-ccw"
6512   fi
6513 fi
6514
6515 # Probe for the need for relocating the user-only binary.
6516 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6517   textseg_addr=
6518   case "$cpu" in
6519     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6520       # ??? Rationale for choosing this address
6521       textseg_addr=0x60000000
6522       ;;
6523     mips)
6524       # A 256M aligned address, high in the address space, with enough
6525       # room for the code_gen_buffer above it before the stack.
6526       textseg_addr=0x60000000
6527       ;;
6528   esac
6529   if [ -n "$textseg_addr" ]; then
6530     cat > $TMPC <<EOF
6531     int main(void) { return 0; }
6532 EOF
6533     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6534     if ! compile_prog "" "$textseg_ldflags"; then
6535       # In case ld does not support -Ttext-segment, edit the default linker
6536       # script via sed to set the .text start addr.  This is needed on FreeBSD
6537       # at least.
6538       if ! $ld --verbose >/dev/null 2>&1; then
6539         error_exit \
6540             "We need to link the QEMU user mode binaries at a" \
6541             "specific text address. Unfortunately your linker" \
6542             "doesn't support either the -Ttext-segment option or" \
6543             "printing the default linker script with --verbose." \
6544             "If you don't want the user mode binaries, pass the" \
6545             "--disable-user option to configure."
6546       fi
6547
6548       $ld --verbose | sed \
6549         -e '1,/==================================================/d' \
6550         -e '/==================================================/,$d' \
6551         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6552         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6553       textseg_ldflags="-Wl,-T../config-host.ld"
6554     fi
6555   fi
6556 fi
6557
6558 # Check that the C++ compiler exists and works with the C compiler.
6559 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6560 if has $cxx; then
6561     cat > $TMPC <<EOF
6562 int c_function(void);
6563 int main(void) { return c_function(); }
6564 EOF
6565
6566     compile_object
6567
6568     cat > $TMPCXX <<EOF
6569 extern "C" {
6570    int c_function(void);
6571 }
6572 int c_function(void) { return 42; }
6573 EOF
6574
6575     update_cxxflags
6576
6577     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6578         # C++ compiler $cxx works ok with C compiler $cc
6579         :
6580     else
6581         echo "C++ compiler $cxx does not work with C compiler $cc"
6582         echo "Disabling C++ specific optional code"
6583         cxx=
6584     fi
6585 else
6586     echo "No C++ compiler available; disabling C++ specific optional code"
6587     cxx=
6588 fi
6589
6590 echo_version() {
6591     if test "$1" = "yes" ; then
6592         echo "($2)"
6593     fi
6594 }
6595
6596 # prepend pixman and ftd flags after all config tests are done
6597 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6598 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6599 libs_softmmu="$pixman_libs $libs_softmmu"
6600
6601 echo "Install prefix    $prefix"
6602 echo "BIOS directory    $(eval echo $qemu_datadir)"
6603 echo "firmware path     $(eval echo $firmwarepath)"
6604 echo "binary directory  $(eval echo $bindir)"
6605 echo "library directory $(eval echo $libdir)"
6606 echo "module directory  $(eval echo $qemu_moddir)"
6607 echo "libexec directory $(eval echo $libexecdir)"
6608 echo "include directory $(eval echo $includedir)"
6609 echo "config directory  $(eval echo $sysconfdir)"
6610 if test "$mingw32" = "no" ; then
6611 echo "local state directory   $(eval echo $local_statedir)"
6612 echo "Manual directory  $(eval echo $mandir)"
6613 echo "ELF interp prefix $interp_prefix"
6614 else
6615 echo "local state directory   queried at runtime"
6616 echo "Windows SDK       $win_sdk"
6617 fi
6618 echo "Build directory   $(pwd)"
6619 echo "Source path       $source_path"
6620 echo "GIT binary        $git"
6621 echo "GIT submodules    $git_submodules"
6622 echo "C compiler        $cc"
6623 echo "Host C compiler   $host_cc"
6624 echo "C++ compiler      $cxx"
6625 echo "Objective-C compiler $objcc"
6626 echo "ARFLAGS           $ARFLAGS"
6627 echo "CFLAGS            $CFLAGS"
6628 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6629 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6630 echo "make              $make"
6631 echo "install           $install"
6632 echo "python            $python ($python_version)"
6633 if test "$docs" != "no"; then
6634     echo "sphinx-build      $sphinx_build"
6635 fi
6636 echo "genisoimage       $genisoimage"
6637 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6638 if test "$slirp" != "no" ; then
6639     echo "smbd              $smbd"
6640 fi
6641 echo "module support    $modules"
6642 echo "alt path mod load $module_upgrades"
6643 echo "host CPU          $cpu"
6644 echo "host big endian   $bigendian"
6645 echo "target list       $target_list"
6646 echo "gprof enabled     $gprof"
6647 echo "sparse enabled    $sparse"
6648 echo "strip binaries    $strip_opt"
6649 echo "profiler          $profiler"
6650 echo "static build      $static"
6651 if test "$darwin" = "yes" ; then
6652     echo "Cocoa support     $cocoa"
6653 fi
6654 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6655 echo "SDL image support $sdl_image"
6656 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6657 echo "GTK GL support    $gtk_gl"
6658 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6659 echo "TLS priority      $tls_priority"
6660 echo "GNUTLS support    $gnutls"
6661 echo "libgcrypt         $gcrypt"
6662 if test "$gcrypt" = "yes"
6663 then
6664    echo "  hmac            $gcrypt_hmac"
6665    echo "  XTS             $gcrypt_xts"
6666 fi
6667 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6668 if test "$nettle" = "yes"
6669 then
6670    echo "  XTS             $nettle_xts"
6671 fi
6672 echo "libtasn1          $tasn1"
6673 echo "PAM               $auth_pam"
6674 echo "iconv support     $iconv"
6675 echo "curses support    $curses"
6676 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6677 echo "curl support      $curl"
6678 echo "mingw32 support   $mingw32"
6679 echo "Audio drivers     $audio_drv_list"
6680 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6681 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6682 echo "VirtFS support    $virtfs"
6683 echo "Multipath support $mpath"
6684 echo "VNC support       $vnc"
6685 if test "$vnc" = "yes" ; then
6686     echo "VNC SASL support  $vnc_sasl"
6687     echo "VNC JPEG support  $vnc_jpeg"
6688     echo "VNC PNG support   $vnc_png"
6689 fi
6690 echo "xen support       $xen"
6691 if test "$xen" = "yes" ; then
6692   echo "xen ctrl version  $xen_ctrl_version"
6693 fi
6694 echo "brlapi support    $brlapi"
6695 echo "Documentation     $docs"
6696 echo "PIE               $pie"
6697 echo "vde support       $vde"
6698 echo "netmap support    $netmap"
6699 echo "Linux AIO support $linux_aio"
6700 echo "Linux io_uring support $linux_io_uring"
6701 echo "ATTR/XATTR support $attr"
6702 echo "Install blobs     $blobs"
6703 echo "KVM support       $kvm"
6704 echo "HAX support       $hax"
6705 echo "HVF support       $hvf"
6706 echo "WHPX support      $whpx"
6707 echo "TCG support       $tcg"
6708 if test "$tcg" = "yes" ; then
6709     echo "TCG debug enabled $debug_tcg"
6710     echo "TCG interpreter   $tcg_interpreter"
6711 fi
6712 echo "malloc trim support $malloc_trim"
6713 echo "RDMA support      $rdma"
6714 echo "PVRDMA support    $pvrdma"
6715 echo "fdt support       $fdt"
6716 echo "membarrier        $membarrier"
6717 echo "preadv support    $preadv"
6718 echo "fdatasync         $fdatasync"
6719 echo "madvise           $madvise"
6720 echo "posix_madvise     $posix_madvise"
6721 echo "posix_memalign    $posix_memalign"
6722 echo "libcap-ng support $cap_ng"
6723 echo "vhost-net support $vhost_net"
6724 echo "vhost-crypto support $vhost_crypto"
6725 echo "vhost-scsi support $vhost_scsi"
6726 echo "vhost-vsock support $vhost_vsock"
6727 echo "vhost-user support $vhost_user"
6728 echo "vhost-user-fs support $vhost_user_fs"
6729 echo "Trace backends    $trace_backends"
6730 if have_backend "simple"; then
6731 echo "Trace output file $trace_file-<pid>"
6732 fi
6733 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6734 echo "rbd support       $rbd"
6735 echo "xfsctl support    $xfs"
6736 echo "smartcard support $smartcard"
6737 echo "libusb            $libusb"
6738 echo "usb net redir     $usb_redir"
6739 echo "OpenGL support    $opengl"
6740 echo "OpenGL dmabufs    $opengl_dmabuf"
6741 echo "libiscsi support  $libiscsi"
6742 echo "libnfs support    $libnfs"
6743 echo "build guest agent $guest_agent"
6744 echo "QGA VSS support   $guest_agent_with_vss"
6745 echo "QGA w32 disk info $guest_agent_ntddscsi"
6746 echo "QGA MSI support   $guest_agent_msi"
6747 echo "seccomp support   $seccomp"
6748 echo "coroutine backend $coroutine"
6749 echo "coroutine pool    $coroutine_pool"
6750 echo "debug stack usage $debug_stack_usage"
6751 echo "mutex debugging   $debug_mutex"
6752 echo "crypto afalg      $crypto_afalg"
6753 echo "GlusterFS support $glusterfs"
6754 echo "gcov              $gcov_tool"
6755 echo "gcov enabled      $gcov"
6756 echo "TPM support       $tpm"
6757 echo "libssh support    $libssh"
6758 echo "QOM debugging     $qom_cast_debug"
6759 echo "Live block migration $live_block_migration"
6760 echo "lzo support       $lzo"
6761 echo "snappy support    $snappy"
6762 echo "bzip2 support     $bzip2"
6763 echo "lzfse support     $lzfse"
6764 echo "zstd support      $zstd"
6765 echo "NUMA host support $numa"
6766 echo "libxml2           $libxml2"
6767 echo "tcmalloc support  $tcmalloc"
6768 echo "jemalloc support  $jemalloc"
6769 echo "avx2 optimization $avx2_opt"
6770 echo "avx512f optimization $avx512f_opt"
6771 echo "replication support $replication"
6772 echo "VxHS block device $vxhs"
6773 echo "bochs support     $bochs"
6774 echo "cloop support     $cloop"
6775 echo "dmg support       $dmg"
6776 echo "qcow v1 support   $qcow1"
6777 echo "vdi support       $vdi"
6778 echo "vvfat support     $vvfat"
6779 echo "qed support       $qed"
6780 echo "parallels support $parallels"
6781 echo "sheepdog support  $sheepdog"
6782 echo "capstone          $capstone"
6783 echo "libpmem support   $libpmem"
6784 echo "libudev           $libudev"
6785 echo "default devices   $default_devices"
6786 echo "plugin support    $plugins"
6787 echo "fuzzing support   $fuzzing"
6788
6789 if test "$supported_cpu" = "no"; then
6790     echo
6791     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6792     echo
6793     echo "CPU host architecture $cpu support is not currently maintained."
6794     echo "The QEMU project intends to remove support for this host CPU in"
6795     echo "a future release if nobody volunteers to maintain it and to"
6796     echo "provide a build host for our continuous integration setup."
6797     echo "configure has succeeded and you can continue to build, but"
6798     echo "if you care about QEMU on this platform you should contact"
6799     echo "us upstream at qemu-devel@nongnu.org."
6800 fi
6801
6802 if test "$supported_os" = "no"; then
6803     echo
6804     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6805     echo
6806     echo "Host OS $targetos support is not currently maintained."
6807     echo "The QEMU project intends to remove support for this host OS in"
6808     echo "a future release if nobody volunteers to maintain it and to"
6809     echo "provide a build host for our continuous integration setup."
6810     echo "configure has succeeded and you can continue to build, but"
6811     echo "if you care about QEMU on this platform you should contact"
6812     echo "us upstream at qemu-devel@nongnu.org."
6813 fi
6814
6815 config_host_mak="config-host.mak"
6816
6817 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6818
6819 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6820 echo >> $config_host_mak
6821
6822 echo all: >> $config_host_mak
6823 echo "prefix=$prefix" >> $config_host_mak
6824 echo "bindir=$bindir" >> $config_host_mak
6825 echo "libdir=$libdir" >> $config_host_mak
6826 echo "libexecdir=$libexecdir" >> $config_host_mak
6827 echo "includedir=$includedir" >> $config_host_mak
6828 echo "mandir=$mandir" >> $config_host_mak
6829 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6830 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6831 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6832 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6833 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6834 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6835 if test "$mingw32" = "no" ; then
6836   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6837 fi
6838 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6839 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6840 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6841 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6842 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6843 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6844 echo "GIT=$git" >> $config_host_mak
6845 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6846 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6847
6848 echo "ARCH=$ARCH" >> $config_host_mak
6849
6850 if test "$default_devices" = "yes" ; then
6851   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6852 else
6853   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6854 fi
6855 if test "$debug_tcg" = "yes" ; then
6856   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6857 fi
6858 if test "$strip_opt" = "yes" ; then
6859   echo "STRIP=${strip}" >> $config_host_mak
6860 fi
6861 if test "$bigendian" = "yes" ; then
6862   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6863 fi
6864 if test "$mingw32" = "yes" ; then
6865   echo "CONFIG_WIN32=y" >> $config_host_mak
6866   rc_version=$(cat $source_path/VERSION)
6867   version_major=${rc_version%%.*}
6868   rc_version=${rc_version#*.}
6869   version_minor=${rc_version%%.*}
6870   rc_version=${rc_version#*.}
6871   version_subminor=${rc_version%%.*}
6872   version_micro=0
6873   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6874   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6875   if test "$guest_agent_with_vss" = "yes" ; then
6876     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6877     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6878     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6879   fi
6880   if test "$guest_agent_ntddscsi" = "yes" ; then
6881     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6882   fi
6883   if test "$guest_agent_msi" = "yes"; then
6884     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6885     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6886     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6887     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6888     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6889     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6890     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6891   fi
6892 else
6893   echo "CONFIG_POSIX=y" >> $config_host_mak
6894 fi
6895
6896 if test "$linux" = "yes" ; then
6897   echo "CONFIG_LINUX=y" >> $config_host_mak
6898 fi
6899
6900 if test "$darwin" = "yes" ; then
6901   echo "CONFIG_DARWIN=y" >> $config_host_mak
6902 fi
6903
6904 if test "$solaris" = "yes" ; then
6905   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6906 fi
6907 if test "$haiku" = "yes" ; then
6908   echo "CONFIG_HAIKU=y" >> $config_host_mak
6909 fi
6910 if test "$static" = "yes" ; then
6911   echo "CONFIG_STATIC=y" >> $config_host_mak
6912 fi
6913 if test "$profiler" = "yes" ; then
6914   echo "CONFIG_PROFILER=y" >> $config_host_mak
6915 fi
6916 if test "$want_tools" = "yes" ; then
6917   echo "CONFIG_TOOLS=y" >> $config_host_mak
6918 fi
6919 if test "$slirp" != "no"; then
6920   echo "CONFIG_SLIRP=y" >> $config_host_mak
6921   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6922   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6923   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6924 fi
6925 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6926     echo "config-host.h: slirp/all" >> $config_host_mak
6927 fi
6928 if test "$vde" = "yes" ; then
6929   echo "CONFIG_VDE=y" >> $config_host_mak
6930   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6931 fi
6932 if test "$netmap" = "yes" ; then
6933   echo "CONFIG_NETMAP=y" >> $config_host_mak
6934 fi
6935 if test "$l2tpv3" = "yes" ; then
6936   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6937 fi
6938 if test "$gprof" = "yes" ; then
6939   echo "CONFIG_GPROF=y" >> $config_host_mak
6940 fi
6941 if test "$cap_ng" = "yes" ; then
6942   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6943 fi
6944 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6945 for drv in $audio_drv_list; do
6946     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6947     case "$drv" in
6948         alsa | oss | pa | sdl)
6949             echo "$def=m" >> $config_host_mak ;;
6950         *)
6951             echo "$def=y" >> $config_host_mak ;;
6952     esac
6953 done
6954 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6955 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6956 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6957 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6958 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6959 if test "$audio_win_int" = "yes" ; then
6960   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6961 fi
6962 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6963 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6964 if test "$vnc" = "yes" ; then
6965   echo "CONFIG_VNC=y" >> $config_host_mak
6966 fi
6967 if test "$vnc_sasl" = "yes" ; then
6968   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6969 fi
6970 if test "$vnc_jpeg" = "yes" ; then
6971   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6972 fi
6973 if test "$vnc_png" = "yes" ; then
6974   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6975 fi
6976 if test "$xkbcommon" = "yes" ; then
6977   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6978   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6979 fi
6980 if test "$xfs" = "yes" ; then
6981   echo "CONFIG_XFS=y" >> $config_host_mak
6982 fi
6983 qemu_version=$(head $source_path/VERSION)
6984 echo "VERSION=$qemu_version" >>$config_host_mak
6985 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6986 echo "SRC_PATH=$source_path" >> $config_host_mak
6987 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6988 if [ "$docs" = "yes" ] ; then
6989   echo "BUILD_DOCS=yes" >> $config_host_mak
6990 fi
6991 if test "$modules" = "yes"; then
6992   # $shacmd can generate a hash started with digit, which the compiler doesn't
6993   # like as an symbol. So prefix it with an underscore
6994   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6995   echo "CONFIG_MODULES=y" >> $config_host_mak
6996 fi
6997 if test "$module_upgrades" = "yes"; then
6998   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6999 fi
7000 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7001   echo "CONFIG_X11=y" >> $config_host_mak
7002   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7003   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7004 fi
7005 if test "$sdl" = "yes" ; then
7006   echo "CONFIG_SDL=m" >> $config_host_mak
7007   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7008   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7009   if test "$sdl_image" = "yes" ; then
7010       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7011   fi
7012 fi
7013 if test "$cocoa" = "yes" ; then
7014   echo "CONFIG_COCOA=y" >> $config_host_mak
7015 fi
7016 if test "$iconv" = "yes" ; then
7017   echo "CONFIG_ICONV=y" >> $config_host_mak
7018   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7019   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7020 fi
7021 if test "$curses" = "yes" ; then
7022   echo "CONFIG_CURSES=m" >> $config_host_mak
7023   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7024   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7025 fi
7026 if test "$pipe2" = "yes" ; then
7027   echo "CONFIG_PIPE2=y" >> $config_host_mak
7028 fi
7029 if test "$accept4" = "yes" ; then
7030   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7031 fi
7032 if test "$splice" = "yes" ; then
7033   echo "CONFIG_SPLICE=y" >> $config_host_mak
7034 fi
7035 if test "$eventfd" = "yes" ; then
7036   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7037 fi
7038 if test "$memfd" = "yes" ; then
7039   echo "CONFIG_MEMFD=y" >> $config_host_mak
7040 fi
7041 if test "$have_usbfs" = "yes" ; then
7042   echo "CONFIG_USBFS=y" >> $config_host_mak
7043 fi
7044 if test "$fallocate" = "yes" ; then
7045   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7046 fi
7047 if test "$fallocate_punch_hole" = "yes" ; then
7048   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7049 fi
7050 if test "$fallocate_zero_range" = "yes" ; then
7051   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7052 fi
7053 if test "$posix_fallocate" = "yes" ; then
7054   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7055 fi
7056 if test "$sync_file_range" = "yes" ; then
7057   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7058 fi
7059 if test "$fiemap" = "yes" ; then
7060   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7061 fi
7062 if test "$dup3" = "yes" ; then
7063   echo "CONFIG_DUP3=y" >> $config_host_mak
7064 fi
7065 if test "$ppoll" = "yes" ; then
7066   echo "CONFIG_PPOLL=y" >> $config_host_mak
7067 fi
7068 if test "$prctl_pr_set_timerslack" = "yes" ; then
7069   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7070 fi
7071 if test "$epoll" = "yes" ; then
7072   echo "CONFIG_EPOLL=y" >> $config_host_mak
7073 fi
7074 if test "$epoll_create1" = "yes" ; then
7075   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7076 fi
7077 if test "$sendfile" = "yes" ; then
7078   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7079 fi
7080 if test "$timerfd" = "yes" ; then
7081   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7082 fi
7083 if test "$setns" = "yes" ; then
7084   echo "CONFIG_SETNS=y" >> $config_host_mak
7085 fi
7086 if test "$clock_adjtime" = "yes" ; then
7087   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7088 fi
7089 if test "$syncfs" = "yes" ; then
7090   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7091 fi
7092 if test "$kcov" = "yes" ; then
7093   echo "CONFIG_KCOV=y" >> $config_host_mak
7094 fi
7095 if test "$inotify" = "yes" ; then
7096   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7097 fi
7098 if test "$inotify1" = "yes" ; then
7099   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7100 fi
7101 if test "$sem_timedwait" = "yes" ; then
7102   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7103 fi
7104 if test "$strchrnul" = "yes" ; then
7105   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7106 fi
7107 if test "$st_atim" = "yes" ; then
7108   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7109 fi
7110 if test "$byteswap_h" = "yes" ; then
7111   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7112 fi
7113 if test "$bswap_h" = "yes" ; then
7114   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7115 fi
7116 if test "$curl" = "yes" ; then
7117   echo "CONFIG_CURL=m" >> $config_host_mak
7118   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7119   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7120 fi
7121 if test "$brlapi" = "yes" ; then
7122   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7123   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7124 fi
7125 if test "$gtk" = "yes" ; then
7126   echo "CONFIG_GTK=m" >> $config_host_mak
7127   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7128   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7129   if test "$gtk_gl" = "yes" ; then
7130     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7131   fi
7132 fi
7133 if test "$gio" = "yes" ; then
7134     echo "CONFIG_GIO=y" >> $config_host_mak
7135     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7136     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7137     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7138 fi
7139 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7140 if test "$gnutls" = "yes" ; then
7141   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7142 fi
7143 if test "$gcrypt" = "yes" ; then
7144   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7145   if test "$gcrypt_hmac" = "yes" ; then
7146     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7147   fi
7148 fi
7149 if test "$nettle" = "yes" ; then
7150   echo "CONFIG_NETTLE=y" >> $config_host_mak
7151   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7152 fi
7153 if test "$qemu_private_xts" = "yes" ; then
7154   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7155 fi
7156 if test "$tasn1" = "yes" ; then
7157   echo "CONFIG_TASN1=y" >> $config_host_mak
7158 fi
7159 if test "$auth_pam" = "yes" ; then
7160     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7161 fi
7162 if test "$have_ifaddrs_h" = "yes" ; then
7163     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7164 fi
7165 if test "$have_broken_size_max" = "yes" ; then
7166     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7167 fi
7168
7169 # Work around a system header bug with some kernel/XFS header
7170 # versions where they both try to define 'struct fsxattr':
7171 # xfs headers will not try to redefine structs from linux headers
7172 # if this macro is set.
7173 if test "$have_fsxattr" = "yes" ; then
7174     echo "HAVE_FSXATTR=y" >> $config_host_mak
7175 fi
7176 if test "$have_copy_file_range" = "yes" ; then
7177     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7178 fi
7179 if test "$vte" = "yes" ; then
7180   echo "CONFIG_VTE=y" >> $config_host_mak
7181   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7182   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7183 fi
7184 if test "$virglrenderer" = "yes" ; then
7185   echo "CONFIG_VIRGL=y" >> $config_host_mak
7186   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7187   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7188 fi
7189 if test "$xen" = "yes" ; then
7190   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7191   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7192 fi
7193 if test "$linux_aio" = "yes" ; then
7194   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7195 fi
7196 if test "$linux_io_uring" = "yes" ; then
7197   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7198   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7199   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7200 fi
7201 if test "$attr" = "yes" ; then
7202   echo "CONFIG_ATTR=y" >> $config_host_mak
7203 fi
7204 if test "$libattr" = "yes" ; then
7205   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7206 fi
7207 if test "$virtfs" = "yes" ; then
7208   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7209 fi
7210 if test "$mpath" = "yes" ; then
7211   echo "CONFIG_MPATH=y" >> $config_host_mak
7212   if test "$mpathpersist_new_api" = "yes"; then
7213     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7214   fi
7215 fi
7216 if test "$vhost_scsi" = "yes" ; then
7217   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7218 fi
7219 if test "$vhost_net" = "yes" ; then
7220   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7221 fi
7222 if test "$vhost_net_user" = "yes" ; then
7223   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7224 fi
7225 if test "$vhost_crypto" = "yes" ; then
7226   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7227 fi
7228 if test "$vhost_vsock" = "yes" ; then
7229   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7230 fi
7231 if test "$vhost_kernel" = "yes" ; then
7232   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7233 fi
7234 if test "$vhost_user" = "yes" ; then
7235   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7236 fi
7237 if test "$vhost_user_fs" = "yes" ; then
7238   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7239 fi
7240 if test "$blobs" = "yes" ; then
7241   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7242 fi
7243 if test "$iovec" = "yes" ; then
7244   echo "CONFIG_IOVEC=y" >> $config_host_mak
7245 fi
7246 if test "$preadv" = "yes" ; then
7247   echo "CONFIG_PREADV=y" >> $config_host_mak
7248 fi
7249 if test "$fdt" != "no" ; then
7250   echo "CONFIG_FDT=y" >> $config_host_mak
7251 fi
7252 if test "$membarrier" = "yes" ; then
7253   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7254 fi
7255 if test "$signalfd" = "yes" ; then
7256   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7257 fi
7258 if test "$optreset" = "yes" ; then
7259   echo "HAVE_OPTRESET=y" >> $config_host_mak
7260 fi
7261 if test "$tcg" = "yes"; then
7262   echo "CONFIG_TCG=y" >> $config_host_mak
7263   if test "$tcg_interpreter" = "yes" ; then
7264     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7265   fi
7266 fi
7267 if test "$fdatasync" = "yes" ; then
7268   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7269 fi
7270 if test "$madvise" = "yes" ; then
7271   echo "CONFIG_MADVISE=y" >> $config_host_mak
7272 fi
7273 if test "$posix_madvise" = "yes" ; then
7274   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7275 fi
7276 if test "$posix_memalign" = "yes" ; then
7277   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7278 fi
7279
7280 if test "$spice" = "yes" ; then
7281   echo "CONFIG_SPICE=y" >> $config_host_mak
7282 fi
7283
7284 if test "$smartcard" = "yes" ; then
7285   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7286   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7287   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7288 fi
7289
7290 if test "$libusb" = "yes" ; then
7291   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7292   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7293   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7294 fi
7295
7296 if test "$usb_redir" = "yes" ; then
7297   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7298   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7299   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7300 fi
7301
7302 if test "$opengl" = "yes" ; then
7303   echo "CONFIG_OPENGL=y" >> $config_host_mak
7304   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7305   if test "$opengl_dmabuf" = "yes" ; then
7306     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7307   fi
7308 fi
7309
7310 if test "$gbm" = "yes" ; then
7311     echo "CONFIG_GBM=y" >> $config_host_mak
7312     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7313     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7314 fi
7315
7316
7317 if test "$malloc_trim" = "yes" ; then
7318   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7319 fi
7320
7321 if test "$avx2_opt" = "yes" ; then
7322   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7323 fi
7324
7325 if test "$avx512f_opt" = "yes" ; then
7326   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7327 fi
7328
7329 if test "$lzo" = "yes" ; then
7330   echo "CONFIG_LZO=y" >> $config_host_mak
7331 fi
7332
7333 if test "$snappy" = "yes" ; then
7334   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7335 fi
7336
7337 if test "$bzip2" = "yes" ; then
7338   echo "CONFIG_BZIP2=y" >> $config_host_mak
7339   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7340 fi
7341
7342 if test "$lzfse" = "yes" ; then
7343   echo "CONFIG_LZFSE=y" >> $config_host_mak
7344   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7345 fi
7346
7347 if test "$zstd" = "yes" ; then
7348   echo "CONFIG_ZSTD=y" >> $config_host_mak
7349 fi
7350
7351 if test "$libiscsi" = "yes" ; then
7352   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7353   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7354   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7355 fi
7356
7357 if test "$libnfs" = "yes" ; then
7358   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7359   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7360 fi
7361
7362 if test "$seccomp" = "yes"; then
7363   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7364   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7365   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7366 fi
7367
7368 # XXX: suppress that
7369 if [ "$bsd" = "yes" ] ; then
7370   echo "CONFIG_BSD=y" >> $config_host_mak
7371 fi
7372
7373 if test "$localtime_r" = "yes" ; then
7374   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7375 fi
7376 if test "$qom_cast_debug" = "yes" ; then
7377   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7378 fi
7379 if test "$rbd" = "yes" ; then
7380   echo "CONFIG_RBD=m" >> $config_host_mak
7381   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7382   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7383 fi
7384
7385 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7386 if test "$coroutine_pool" = "yes" ; then
7387   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7388 else
7389   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7390 fi
7391
7392 if test "$debug_stack_usage" = "yes" ; then
7393   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7394 fi
7395
7396 if test "$crypto_afalg" = "yes" ; then
7397   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7398 fi
7399
7400 if test "$open_by_handle_at" = "yes" ; then
7401   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7402 fi
7403
7404 if test "$linux_magic_h" = "yes" ; then
7405   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7406 fi
7407
7408 if test "$pragma_diagnostic_available" = "yes" ; then
7409   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7410 fi
7411
7412 if test "$valgrind_h" = "yes" ; then
7413   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7414 fi
7415
7416 if test "$have_asan_iface_fiber" = "yes" ; then
7417     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7418 fi
7419
7420 if test "$has_environ" = "yes" ; then
7421   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7422 fi
7423
7424 if test "$cpuid_h" = "yes" ; then
7425   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7426 fi
7427
7428 if test "$int128" = "yes" ; then
7429   echo "CONFIG_INT128=y" >> $config_host_mak
7430 fi
7431
7432 if test "$atomic128" = "yes" ; then
7433   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7434 fi
7435
7436 if test "$cmpxchg128" = "yes" ; then
7437   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7438 fi
7439
7440 if test "$atomic64" = "yes" ; then
7441   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7442 fi
7443
7444 if test "$vector16" = "yes" ; then
7445   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7446 fi
7447
7448 if test "$attralias" = "yes" ; then
7449   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7450 fi
7451
7452 if test "$getauxval" = "yes" ; then
7453   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7454 fi
7455
7456 if test "$glusterfs" = "yes" ; then
7457   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7458   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7459   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7460 fi
7461
7462 if test "$glusterfs_xlator_opt" = "yes" ; then
7463   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7464 fi
7465
7466 if test "$glusterfs_discard" = "yes" ; then
7467   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7468 fi
7469
7470 if test "$glusterfs_fallocate" = "yes" ; then
7471   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7472 fi
7473
7474 if test "$glusterfs_zerofill" = "yes" ; then
7475   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7476 fi
7477
7478 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7479   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7480 fi
7481
7482 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7483   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7484 fi
7485
7486 if test "$libssh" = "yes" ; then
7487   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7488   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7489   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7490 fi
7491
7492 if test "$live_block_migration" = "yes" ; then
7493   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7494 fi
7495
7496 if test "$tpm" = "yes"; then
7497   echo 'CONFIG_TPM=y' >> $config_host_mak
7498 fi
7499
7500 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7501 if have_backend "nop"; then
7502   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7503 fi
7504 if have_backend "simple"; then
7505   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7506   # Set the appropriate trace file.
7507   trace_file="\"$trace_file-\" FMT_pid"
7508 fi
7509 if have_backend "log"; then
7510   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7511 fi
7512 if have_backend "ust"; then
7513   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7514 fi
7515 if have_backend "dtrace"; then
7516   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7517   if test "$trace_backend_stap" = "yes" ; then
7518     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7519   fi
7520 fi
7521 if have_backend "ftrace"; then
7522   if test "$linux" = "yes" ; then
7523     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7524   else
7525     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7526   fi
7527 fi
7528 if have_backend "syslog"; then
7529   if test "$posix_syslog" = "yes" ; then
7530     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7531   else
7532     feature_not_found "syslog(trace backend)" "syslog not available"
7533   fi
7534 fi
7535 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7536
7537 if test "$rdma" = "yes" ; then
7538   echo "CONFIG_RDMA=y" >> $config_host_mak
7539   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7540 fi
7541
7542 if test "$pvrdma" = "yes" ; then
7543   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7544 fi
7545
7546 if test "$have_rtnetlink" = "yes" ; then
7547   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7548 fi
7549
7550 if test "$libxml2" = "yes" ; then
7551   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7552   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7553   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7554 fi
7555
7556 if test "$replication" = "yes" ; then
7557   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7558 fi
7559
7560 if test "$have_af_vsock" = "yes" ; then
7561   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7562 fi
7563
7564 if test "$have_sysmacros" = "yes" ; then
7565   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7566 fi
7567
7568 if test "$have_static_assert" = "yes" ; then
7569   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7570 fi
7571
7572 if test "$have_utmpx" = "yes" ; then
7573   echo "HAVE_UTMPX=y" >> $config_host_mak
7574 fi
7575 if test "$have_getrandom" = "yes" ; then
7576   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7577 fi
7578 if test "$ivshmem" = "yes" ; then
7579   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7580 fi
7581 if test "$capstone" != "no" ; then
7582   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7583 fi
7584 if test "$debug_mutex" = "yes" ; then
7585   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7586 fi
7587
7588 # Hold two types of flag:
7589 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7590 #                                     a thread we have a handle to
7591 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7592 #                                     platform
7593 if test "$pthread_setname_np_w_tid" = "yes" ; then
7594   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7595   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7596 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7597   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7598   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7599 fi
7600
7601 if test "$vxhs" = "yes" ; then
7602   echo "CONFIG_VXHS=y" >> $config_host_mak
7603   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7604 fi
7605
7606 if test "$libpmem" = "yes" ; then
7607   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7608 fi
7609
7610 if test "$bochs" = "yes" ; then
7611   echo "CONFIG_BOCHS=y" >> $config_host_mak
7612 fi
7613 if test "$cloop" = "yes" ; then
7614   echo "CONFIG_CLOOP=y" >> $config_host_mak
7615 fi
7616 if test "$dmg" = "yes" ; then
7617   echo "CONFIG_DMG=y" >> $config_host_mak
7618 fi
7619 if test "$qcow1" = "yes" ; then
7620   echo "CONFIG_QCOW1=y" >> $config_host_mak
7621 fi
7622 if test "$vdi" = "yes" ; then
7623   echo "CONFIG_VDI=y" >> $config_host_mak
7624 fi
7625 if test "$vvfat" = "yes" ; then
7626   echo "CONFIG_VVFAT=y" >> $config_host_mak
7627 fi
7628 if test "$qed" = "yes" ; then
7629   echo "CONFIG_QED=y" >> $config_host_mak
7630 fi
7631 if test "$parallels" = "yes" ; then
7632   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7633 fi
7634 if test "$sheepdog" = "yes" ; then
7635   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7636 fi
7637 if test "$fuzzing" = "yes" ; then
7638   if test "$have_fuzzer" = "yes"; then
7639     FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
7640     FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
7641     CFLAGS=" -fsanitize=address,fuzzer-no-link"
7642   else
7643     error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
7644     exit 1
7645   fi
7646 fi
7647
7648 if test "$plugins" = "yes" ; then
7649     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7650     LIBS="-ldl $LIBS"
7651     # Copy the export object list to the build dir
7652     if test "$ld_dynamic_list" = "yes" ; then
7653         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7654         ld_symbols=qemu-plugins-ld.symbols
7655         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7656     elif test "$ld_exported_symbols_list" = "yes" ; then
7657         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7658         ld64_symbols=qemu-plugins-ld64.symbols
7659         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7660         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7661             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7662     else
7663         error_exit \
7664             "If \$plugins=yes, either \$ld_dynamic_list or " \
7665             "\$ld_exported_symbols_list should have been set to 'yes'."
7666     fi
7667 fi
7668
7669 if test "$tcg_interpreter" = "yes"; then
7670   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7671 elif test "$ARCH" = "sparc64" ; then
7672   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7673 elif test "$ARCH" = "s390x" ; then
7674   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7675 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7676   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7677 elif test "$ARCH" = "ppc64" ; then
7678   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7679 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7680   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7681 else
7682   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7683 fi
7684
7685 echo "TOOLS=$tools" >> $config_host_mak
7686 echo "ROMS=$roms" >> $config_host_mak
7687 echo "MAKE=$make" >> $config_host_mak
7688 echo "INSTALL=$install" >> $config_host_mak
7689 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7690 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7691 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7692 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7693 echo "PYTHON=$python" >> $config_host_mak
7694 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7695 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7696 echo "CC=$cc" >> $config_host_mak
7697 if $iasl -h > /dev/null 2>&1; then
7698   echo "IASL=$iasl" >> $config_host_mak
7699 fi
7700 echo "HOST_CC=$host_cc" >> $config_host_mak
7701 echo "CXX=$cxx" >> $config_host_mak
7702 echo "OBJCC=$objcc" >> $config_host_mak
7703 echo "AR=$ar" >> $config_host_mak
7704 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7705 echo "AS=$as" >> $config_host_mak
7706 echo "CCAS=$ccas" >> $config_host_mak
7707 echo "CPP=$cpp" >> $config_host_mak
7708 echo "OBJCOPY=$objcopy" >> $config_host_mak
7709 echo "LD=$ld" >> $config_host_mak
7710 echo "RANLIB=$ranlib" >> $config_host_mak
7711 echo "NM=$nm" >> $config_host_mak
7712 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7713 echo "WINDRES=$windres" >> $config_host_mak
7714 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7715 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7716 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7717 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7718 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7719 if test "$sparse" = "yes" ; then
7720   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7721   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7722   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7723   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7724   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7725 fi
7726 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7727 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7728 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7729 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7730 echo "LIBS+=$LIBS" >> $config_host_mak
7731 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7732 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7733 echo "EXESUF=$EXESUF" >> $config_host_mak
7734 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7735 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7736 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7737 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7738 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7739 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7740 if test "$gcov" = "yes" ; then
7741   echo "CONFIG_GCOV=y" >> $config_host_mak
7742   echo "GCOV=$gcov_tool" >> $config_host_mak
7743 fi
7744
7745 if test "$libudev" != "no"; then
7746     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7747     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7748 fi
7749 if test "$fuzzing" != "no"; then
7750     echo "CONFIG_FUZZ=y" >> $config_host_mak
7751     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7752     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7753 fi
7754
7755 if test "$edk2_blobs" = "yes" ; then
7756   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7757 fi
7758
7759 # use included Linux headers
7760 if test "$linux" = "yes" ; then
7761   mkdir -p linux-headers
7762   case "$cpu" in
7763   i386|x86_64|x32)
7764     linux_arch=x86
7765     ;;
7766   ppc|ppc64|ppc64le)
7767     linux_arch=powerpc
7768     ;;
7769   s390x)
7770     linux_arch=s390
7771     ;;
7772   aarch64)
7773     linux_arch=arm64
7774     ;;
7775   mips64)
7776     linux_arch=mips
7777     ;;
7778   *)
7779     # For most CPUs the kernel architecture name and QEMU CPU name match.
7780     linux_arch="$cpu"
7781     ;;
7782   esac
7783     # For non-KVM architectures we will not have asm headers
7784     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7785       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7786     fi
7787 fi
7788
7789 for target in $target_list; do
7790 target_dir="$target"
7791 config_target_mak=$target_dir/config-target.mak
7792 target_name=$(echo $target | cut -d '-' -f 1)
7793 target_aligned_only="no"
7794 case "$target_name" in
7795   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7796   target_aligned_only="yes"
7797   ;;
7798 esac
7799 target_bigendian="no"
7800 case "$target_name" in
7801   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7802   target_bigendian="yes"
7803   ;;
7804 esac
7805 target_softmmu="no"
7806 target_user_only="no"
7807 target_linux_user="no"
7808 target_bsd_user="no"
7809 case "$target" in
7810   ${target_name}-softmmu)
7811     target_softmmu="yes"
7812     ;;
7813   ${target_name}-linux-user)
7814     target_user_only="yes"
7815     target_linux_user="yes"
7816     ;;
7817   ${target_name}-bsd-user)
7818     target_user_only="yes"
7819     target_bsd_user="yes"
7820     ;;
7821   *)
7822     error_exit "Target '$target' not recognised"
7823     exit 1
7824     ;;
7825 esac
7826
7827 mkdir -p $target_dir
7828 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7829
7830 bflt="no"
7831 mttcg="no"
7832 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7833 gdb_xml_files=""
7834
7835 TARGET_ARCH="$target_name"
7836 TARGET_BASE_ARCH=""
7837 TARGET_ABI_DIR=""
7838
7839 case "$target_name" in
7840   i386)
7841     mttcg="yes"
7842         gdb_xml_files="i386-32bit.xml"
7843   ;;
7844   x86_64)
7845     TARGET_BASE_ARCH=i386
7846     mttcg="yes"
7847         gdb_xml_files="i386-64bit.xml"
7848   ;;
7849   alpha)
7850     mttcg="yes"
7851   ;;
7852   arm|armeb)
7853     TARGET_ARCH=arm
7854     bflt="yes"
7855     mttcg="yes"
7856     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7857   ;;
7858   aarch64|aarch64_be)
7859     TARGET_ARCH=aarch64
7860     TARGET_BASE_ARCH=arm
7861     bflt="yes"
7862     mttcg="yes"
7863     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7864   ;;
7865   cris)
7866   ;;
7867   hppa)
7868     mttcg="yes"
7869   ;;
7870   lm32)
7871   ;;
7872   m68k)
7873     bflt="yes"
7874     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7875   ;;
7876   microblaze|microblazeel)
7877     TARGET_ARCH=microblaze
7878     bflt="yes"
7879     echo "TARGET_ABI32=y" >> $config_target_mak
7880   ;;
7881   mips|mipsel)
7882     mttcg="yes"
7883     TARGET_ARCH=mips
7884     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7885   ;;
7886   mipsn32|mipsn32el)
7887     mttcg="yes"
7888     TARGET_ARCH=mips64
7889     TARGET_BASE_ARCH=mips
7890     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7891     echo "TARGET_ABI32=y" >> $config_target_mak
7892   ;;
7893   mips64|mips64el)
7894     mttcg="yes"
7895     TARGET_ARCH=mips64
7896     TARGET_BASE_ARCH=mips
7897     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7898   ;;
7899   moxie)
7900   ;;
7901   nios2)
7902   ;;
7903   or1k)
7904     TARGET_ARCH=openrisc
7905     TARGET_BASE_ARCH=openrisc
7906   ;;
7907   ppc)
7908     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7909   ;;
7910   ppc64)
7911     TARGET_BASE_ARCH=ppc
7912     TARGET_ABI_DIR=ppc
7913     mttcg=yes
7914     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7915   ;;
7916   ppc64le)
7917     TARGET_ARCH=ppc64
7918     TARGET_BASE_ARCH=ppc
7919     TARGET_ABI_DIR=ppc
7920     mttcg=yes
7921     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7922   ;;
7923   ppc64abi32)
7924     TARGET_ARCH=ppc64
7925     TARGET_BASE_ARCH=ppc
7926     TARGET_ABI_DIR=ppc
7927     echo "TARGET_ABI32=y" >> $config_target_mak
7928     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7929   ;;
7930   riscv32)
7931     TARGET_BASE_ARCH=riscv
7932     TARGET_ABI_DIR=riscv
7933     mttcg=yes
7934     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7935   ;;
7936   riscv64)
7937     TARGET_BASE_ARCH=riscv
7938     TARGET_ABI_DIR=riscv
7939     mttcg=yes
7940     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7941   ;;
7942   sh4|sh4eb)
7943     TARGET_ARCH=sh4
7944     bflt="yes"
7945   ;;
7946   sparc)
7947   ;;
7948   sparc64)
7949     TARGET_BASE_ARCH=sparc
7950   ;;
7951   sparc32plus)
7952     TARGET_ARCH=sparc64
7953     TARGET_BASE_ARCH=sparc
7954     TARGET_ABI_DIR=sparc
7955     echo "TARGET_ABI32=y" >> $config_target_mak
7956   ;;
7957   s390x)
7958     mttcg=yes
7959     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7960   ;;
7961   tilegx)
7962   ;;
7963   tricore)
7964   ;;
7965   unicore32)
7966   ;;
7967   xtensa|xtensaeb)
7968     TARGET_ARCH=xtensa
7969     bflt="yes"
7970     mttcg="yes"
7971   ;;
7972   *)
7973     error_exit "Unsupported target CPU"
7974   ;;
7975 esac
7976 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7977 if [ "$TARGET_BASE_ARCH" = "" ]; then
7978   TARGET_BASE_ARCH=$TARGET_ARCH
7979 fi
7980
7981 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7982
7983 upper() {
7984     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7985 }
7986
7987 target_arch_name="$(upper $TARGET_ARCH)"
7988 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7989 echo "TARGET_NAME=$target_name" >> $config_target_mak
7990 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7991 if [ "$TARGET_ABI_DIR" = "" ]; then
7992   TARGET_ABI_DIR=$TARGET_ARCH
7993 fi
7994 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7995 if [ "$HOST_VARIANT_DIR" != "" ]; then
7996     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7997 fi
7998
7999 if supported_xen_target $target; then
8000     echo "CONFIG_XEN=y" >> $config_target_mak
8001     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8002     if test "$xen_pci_passthrough" = yes; then
8003         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8004     fi
8005 else
8006     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8007 fi
8008 if supported_kvm_target $target; then
8009     echo "CONFIG_KVM=y" >> $config_target_mak
8010     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8011 else
8012     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8013 fi
8014 if supported_hax_target $target; then
8015     echo "CONFIG_HAX=y" >> $config_target_mak
8016 fi
8017 if supported_hvf_target $target; then
8018     echo "CONFIG_HVF=y" >> $config_target_mak
8019 fi
8020 if supported_whpx_target $target; then
8021     echo "CONFIG_WHPX=y" >> $config_target_mak
8022 fi
8023 if test "$target_aligned_only" = "yes" ; then
8024   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8025 fi
8026 if test "$target_bigendian" = "yes" ; then
8027   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8028 fi
8029 if test "$target_softmmu" = "yes" ; then
8030   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8031   if test "$mttcg" = "yes" ; then
8032     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8033   fi
8034 fi
8035 if test "$target_user_only" = "yes" ; then
8036   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8037   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8038 fi
8039 if test "$target_linux_user" = "yes" ; then
8040   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8041 fi
8042 list=""
8043 if test ! -z "$gdb_xml_files" ; then
8044   for x in $gdb_xml_files; do
8045     list="$list $source_path/gdb-xml/$x"
8046   done
8047   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8048 fi
8049
8050 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8051   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8052 fi
8053 if test "$target_bsd_user" = "yes" ; then
8054   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8055 fi
8056
8057
8058 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8059
8060 cflags=""
8061 ldflags=""
8062
8063 disas_config() {
8064   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8065   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8066 }
8067
8068 for i in $ARCH $TARGET_BASE_ARCH ; do
8069   case "$i" in
8070   alpha)
8071     disas_config "ALPHA"
8072   ;;
8073   aarch64)
8074     if test -n "${cxx}"; then
8075       disas_config "ARM_A64"
8076     fi
8077   ;;
8078   arm)
8079     disas_config "ARM"
8080     if test -n "${cxx}"; then
8081       disas_config "ARM_A64"
8082     fi
8083   ;;
8084   cris)
8085     disas_config "CRIS"
8086   ;;
8087   hppa)
8088     disas_config "HPPA"
8089   ;;
8090   i386|x86_64|x32)
8091     disas_config "I386"
8092   ;;
8093   lm32)
8094     disas_config "LM32"
8095   ;;
8096   m68k)
8097     disas_config "M68K"
8098   ;;
8099   microblaze*)
8100     disas_config "MICROBLAZE"
8101   ;;
8102   mips*)
8103     disas_config "MIPS"
8104     if test -n "${cxx}"; then
8105       disas_config "NANOMIPS"
8106     fi
8107   ;;
8108   moxie*)
8109     disas_config "MOXIE"
8110   ;;
8111   nios2)
8112     disas_config "NIOS2"
8113   ;;
8114   or1k)
8115     disas_config "OPENRISC"
8116   ;;
8117   ppc*)
8118     disas_config "PPC"
8119   ;;
8120   riscv*)
8121     disas_config "RISCV"
8122   ;;
8123   s390*)
8124     disas_config "S390"
8125   ;;
8126   sh4)
8127     disas_config "SH4"
8128   ;;
8129   sparc*)
8130     disas_config "SPARC"
8131   ;;
8132   xtensa*)
8133     disas_config "XTENSA"
8134   ;;
8135   esac
8136 done
8137 if test "$tcg_interpreter" = "yes" ; then
8138   disas_config "TCI"
8139 fi
8140
8141 case "$ARCH" in
8142 alpha)
8143   # Ensure there's only a single GP
8144   cflags="-msmall-data $cflags"
8145 ;;
8146 esac
8147
8148 if test "$gprof" = "yes" ; then
8149   if test "$target_linux_user" = "yes" ; then
8150     cflags="-p $cflags"
8151     ldflags="-p $ldflags"
8152   fi
8153   if test "$target_softmmu" = "yes" ; then
8154     ldflags="-p $ldflags"
8155     echo "GPROF_CFLAGS=-p" >> $config_target_mak
8156   fi
8157 fi
8158
8159 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
8160   ldflags="$ldflags $textseg_ldflags"
8161 fi
8162
8163 # Newer kernels on s390 check for an S390_PGSTE program header and
8164 # enable the pgste page table extensions in that case. This makes
8165 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8166 # header if
8167 #  - we build on s390x
8168 #  - we build the system emulation for s390x (qemu-system-s390x)
8169 #  - KVM is enabled
8170 #  - the linker supports --s390-pgste
8171 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8172         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8173     if ld_has --s390-pgste ; then
8174         ldflags="-Wl,--s390-pgste $ldflags"
8175     fi
8176 fi
8177
8178 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8179 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8180
8181 done # for target in $targets
8182
8183 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8184 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8185
8186 if [ "$fdt" = "git" ]; then
8187   echo "config-host.h: dtc/all" >> $config_host_mak
8188 fi
8189 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8190   echo "config-host.h: capstone/all" >> $config_host_mak
8191 fi
8192 if test -n "$LIBCAPSTONE"; then
8193   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8194 fi
8195
8196 if test "$numa" = "yes"; then
8197   echo "CONFIG_NUMA=y" >> $config_host_mak
8198 fi
8199
8200 if test "$ccache_cpp2" = "yes"; then
8201   echo "export CCACHE_CPP2=y" >> $config_host_mak
8202 fi
8203
8204 # If we're using a separate build tree, set it up now.
8205 # DIRS are directories which we simply mkdir in the build tree;
8206 # LINKS are things to symlink back into the source tree
8207 # (these can be both files and directories).
8208 # Caution: do not add files or directories here using wildcards. This
8209 # will result in problems later if a new file matching the wildcard is
8210 # added to the source tree -- nothing will cause configure to be rerun
8211 # so the build tree will be missing the link back to the new file, and
8212 # tests might fail. Prefer to keep the relevant files in their own
8213 # directory and symlink the directory instead.
8214 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8215 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8216 DIRS="$DIRS docs docs/interop fsdev scsi"
8217 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8218 DIRS="$DIRS roms/seabios roms/vgabios"
8219 LINKS="Makefile"
8220 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8221 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8222 LINKS="$LINKS tests/plugin/Makefile"
8223 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8224 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8225 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8226 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8227 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8228 LINKS="$LINKS tests/acceptance tests/data"
8229 LINKS="$LINKS tests/qemu-iotests/check"
8230 LINKS="$LINKS python"
8231 for bios_file in \
8232     $source_path/pc-bios/*.bin \
8233     $source_path/pc-bios/*.lid \
8234     $source_path/pc-bios/*.rom \
8235     $source_path/pc-bios/*.dtb \
8236     $source_path/pc-bios/*.img \
8237     $source_path/pc-bios/openbios-* \
8238     $source_path/pc-bios/u-boot.* \
8239     $source_path/pc-bios/edk2-*.fd.bz2 \
8240     $source_path/pc-bios/palcode-*
8241 do
8242     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8243 done
8244 mkdir -p $DIRS
8245 for f in $LINKS ; do
8246     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8247         symlink "$source_path/$f" "$f"
8248     fi
8249 done
8250
8251 (for i in $cross_cc_vars; do
8252   export $i
8253 done
8254 export target_list source_path use_containers
8255 $source_path/tests/tcg/configure.sh)
8256
8257 # temporary config to build submodules
8258 for rom in seabios vgabios ; do
8259     config_mak=roms/$rom/config.mak
8260     echo "# Automatically generated by configure - do not modify" > $config_mak
8261     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8262     echo "AS=$as" >> $config_mak
8263     echo "CCAS=$ccas" >> $config_mak
8264     echo "CC=$cc" >> $config_mak
8265     echo "BCC=bcc" >> $config_mak
8266     echo "CPP=$cpp" >> $config_mak
8267     echo "OBJCOPY=objcopy" >> $config_mak
8268     echo "IASL=$iasl" >> $config_mak
8269     echo "LD=$ld" >> $config_mak
8270     echo "RANLIB=$ranlib" >> $config_mak
8271 done
8272
8273 # set up qemu-iotests in this build directory
8274 iotests_common_env="tests/qemu-iotests/common.env"
8275
8276 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8277 echo >> "$iotests_common_env"
8278 echo "export PYTHON='$python'" >> "$iotests_common_env"
8279
8280 # Save the configure command line for later reuse.
8281 cat <<EOD >config.status
8282 #!/bin/sh
8283 # Generated by configure.
8284 # Run this file to recreate the current configuration.
8285 # Compiler output produced by configure, useful for debugging
8286 # configure, is in config.log if it exists.
8287 EOD
8288
8289 preserve_env() {
8290     envname=$1
8291
8292     eval envval=\$$envname
8293
8294     if test -n "$envval"
8295     then
8296         echo "$envname='$envval'" >> config.status
8297         echo "export $envname" >> config.status
8298     else
8299         echo "unset $envname" >> config.status
8300     fi
8301 }
8302
8303 # Preserve various env variables that influence what
8304 # features/build target configure will detect
8305 preserve_env AR
8306 preserve_env AS
8307 preserve_env CC
8308 preserve_env CPP
8309 preserve_env CXX
8310 preserve_env INSTALL
8311 preserve_env LD
8312 preserve_env LD_LIBRARY_PATH
8313 preserve_env LIBTOOL
8314 preserve_env MAKE
8315 preserve_env NM
8316 preserve_env OBJCOPY
8317 preserve_env PATH
8318 preserve_env PKG_CONFIG
8319 preserve_env PKG_CONFIG_LIBDIR
8320 preserve_env PKG_CONFIG_PATH
8321 preserve_env PYTHON
8322 preserve_env SDL2_CONFIG
8323 preserve_env SMBD
8324 preserve_env STRIP
8325 preserve_env WINDRES
8326
8327 printf "exec" >>config.status
8328 printf " '%s'" "$0" "$@" >>config.status
8329 echo ' "$@"' >>config.status
8330 chmod +x config.status
8331
8332 rm -r "$TMPDIR1"