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