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 # make source path absolute
  15 source_path=$(cd "$(dirname -- "$0")"; pwd)
  16
  17 if test "$PWD" = "$source_path"
  18 then
  19     echo "Using './build' as the directory for build output"
  20
  21     MARKER=build/auto-created-by-configure
  22
  23     if test -e build
  24     then
  25         if test -f $MARKER
  26         then
  27            rm -rf build
  28         else
  29             echo "ERROR: ./build dir already exists and was not previously created by configure"
  30             exit 1
  31         fi
  32     fi
  33
  34     mkdir build
  35     touch $MARKER
  36
  37     cat > GNUmakefile <<'EOF'
  38 # This file is auto-generated by configure to support in-source tree
  39 # 'make' command invocation
  40
  41 ifeq ($(MAKECMDGOALS),)
  42 recurse: all
  43 endif
  44
  45 .NOTPARALLEL: %
  46 %: force
  47         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  48         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  49         @if test "$(MAKECMDGOALS)" = "distclean" && \
  50             test -e build/auto-created-by-configure ; \
  51         then \
  52             rm -rf build GNUmakefile ; \
  53         fi
  54 force: ;
  55 .PHONY: force
  56 GNUmakefile: ;
  57
  58 EOF
  59     cd build
  60     exec $source_path/configure "$@"
  61 fi
  62
  63 # Temporary directory used for files created while
  64 # configure runs. Since it is in the build directory
  65 # we can safely blow away any previous version of it
  66 # (and we need not jump through hoops to try to delete
  67 # it when configure exits.)
  68 TMPDIR1="config-temp"
  69 rm -rf "${TMPDIR1}"
  70 mkdir -p "${TMPDIR1}"
  71 if [ $? -ne 0 ]; then
  72     echo "ERROR: failed to create temporary directory"
  73     exit 1
  74 fi
  75
  76 TMPB="qemu-conf"
  77 TMPC="${TMPDIR1}/${TMPB}.c"
  78 TMPO="${TMPDIR1}/${TMPB}.o"
  79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  80 TMPE="${TMPDIR1}/${TMPB}.exe"
  81 TMPMO="${TMPDIR1}/${TMPB}.mo"
  82 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  83
  84 rm -f config.log
  85
  86 # Print a helpful header at the top of config.log
  87 echo "# QEMU configure log $(date)" >> config.log
  88 printf "# Configured with:" >> config.log
  89 printf " '%s'" "$0" "$@" >> config.log
  90 echo >> config.log
  91 echo "#" >> config.log
  92
  93 print_error() {
  94     (echo
  95     echo "ERROR: $1"
  96     while test -n "$2"; do
  97         echo "       $2"
  98         shift
  99     done
 100     echo) >&2
 101 }
 102
 103 error_exit() {
 104     print_error "$@"
 105     exit 1
 106 }
 107
 108 do_compiler() {
 109     # Run the compiler, capturing its output to the log. First argument
 110     # is compiler binary to execute.
 111     local compiler="$1"
 112     shift
 113     if test -n "$BASH_VERSION"; then eval '
 114         echo >>config.log "
 115 funcs: ${FUNCNAME[*]}
 116 lines: ${BASH_LINENO[*]}"
 117     '; fi
 118     echo $compiler "$@" >> config.log
 119     $compiler "$@" >> config.log 2>&1 || return $?
 120     # Test passed. If this is an --enable-werror build, rerun
 121     # the test with -Werror and bail out if it fails. This
 122     # makes warning-generating-errors in configure test code
 123     # obvious to developers.
 124     if test "$werror" != "yes"; then
 125         return 0
 126     fi
 127     # Don't bother rerunning the compile if we were already using -Werror
 128     case "$*" in
 129         *-Werror*)
 130            return 0
 131         ;;
 132     esac
 133     echo $compiler -Werror "$@" >> config.log
 134     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 135     error_exit "configure test passed without -Werror but failed with -Werror." \
 136         "This is probably a bug in the configure script. The failing command" \
 137         "will be at the bottom of config.log." \
 138         "You can run configure with --disable-werror to bypass this check."
 139 }
 140
 141 do_cc() {
 142     do_compiler "$cc" "$@"
 143 }
 144
 145 do_cxx() {
 146     do_compiler "$cxx" "$@"
 147 }
 148
 149 # Append $2 to the variable named $1, with space separation
 150 add_to() {
 151     eval $1=\${$1:+\"\$$1 \"}\$2
 152 }
 153
 154 update_cxxflags() {
 155     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 156     # options which some versions of GCC's C++ compiler complain about
 157     # because they only make sense for C programs.
 158     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 159     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 160     for arg in $QEMU_CFLAGS; do
 161         case $arg in
 162             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 163             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 164                 ;;
 165             *)
 166                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 167                 ;;
 168         esac
 169     done
 170 }
 171
 172 compile_object() {
 173   local_cflags="$1"
 174   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 175 }
 176
 177 compile_prog() {
 178   local_cflags="$1"
 179   local_ldflags="$2"
 180   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 181 }
 182
 183 # symbolically link $1 to $2.  Portable version of "ln -sf".
 184 symlink() {
 185   rm -rf "$2"
 186   mkdir -p "$(dirname "$2")"
 187   ln -s "$1" "$2"
 188 }
 189
 190 # check whether a command is available to this shell (may be either an
 191 # executable or a builtin)
 192 has() {
 193     type "$1" >/dev/null 2>&1
 194 }
 195
 196 # search for an executable in PATH
 197 path_of() {
 198     local_command="$1"
 199     local_ifs="$IFS"
 200     local_dir=""
 201
 202     # pathname has a dir component?
 203     if [ "${local_command#*/}" != "$local_command" ]; then
 204         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 205             echo "$local_command"
 206             return 0
 207         fi
 208     fi
 209     if [ -z "$local_command" ]; then
 210         return 1
 211     fi
 212
 213     IFS=:
 214     for local_dir in $PATH; do
 215         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 216             echo "$local_dir/$local_command"
 217             IFS="${local_ifs:-$(printf ' \t\n')}"
 218             return 0
 219         fi
 220     done
 221     # not found
 222     IFS="${local_ifs:-$(printf ' \t\n')}"
 223     return 1
 224 }
 225
 226 version_ge () {
 227     local_ver1=`echo $1 | tr . ' '`
 228     local_ver2=`echo $2 | tr . ' '`
 229     while true; do
 230         set x $local_ver1
 231         local_first=${2-0}
 232         # shift 2 does nothing if there are less than 2 arguments
 233         shift; shift
 234         local_ver1=$*
 235         set x $local_ver2
 236         # the second argument finished, the first must be greater or equal
 237         test $# = 1 && return 0
 238         test $local_first -lt $2 && return 1
 239         test $local_first -gt $2 && return 0
 240         shift; shift
 241         local_ver2=$*
 242     done
 243 }
 244
 245 have_backend () {
 246     echo "$trace_backends" | grep "$1" >/dev/null
 247 }
 248
 249 glob() {
 250     eval test -z '"${1#'"$2"'}"'
 251 }
 252
 253 supported_hax_target() {
 254     test "$hax" = "yes" || return 1
 255     glob "$1" "*-softmmu" || return 1
 256     case "${1%-softmmu}" in
 257         i386|x86_64)
 258             return 0
 259         ;;
 260     esac
 261     return 1
 262 }
 263
 264 supported_kvm_target() {
 265     test "$kvm" = "yes" || return 1
 266     glob "$1" "*-softmmu" || return 1
 267     case "${1%-softmmu}:$cpu" in
 268         arm:arm | aarch64:aarch64 | \
 269         i386:i386 | i386:x86_64 | i386:x32 | \
 270         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 271         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 272         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 273         s390x:s390x)
 274             return 0
 275         ;;
 276     esac
 277     return 1
 278 }
 279
 280 supported_xen_target() {
 281     test "$xen" = "yes" || return 1
 282     glob "$1" "*-softmmu" || return 1
 283     # Only i386 and x86_64 provide the xenpv machine.
 284     case "${1%-softmmu}" in
 285         i386|x86_64)
 286             return 0
 287         ;;
 288     esac
 289     return 1
 290 }
 291
 292 supported_hvf_target() {
 293     test "$hvf" = "yes" || return 1
 294     glob "$1" "*-softmmu" || return 1
 295     case "${1%-softmmu}" in
 296         x86_64)
 297             return 0
 298         ;;
 299     esac
 300     return 1
 301 }
 302
 303 supported_whpx_target() {
 304     test "$whpx" = "yes" || return 1
 305     glob "$1" "*-softmmu" || return 1
 306     case "${1%-softmmu}" in
 307         i386|x86_64)
 308             return 0
 309         ;;
 310     esac
 311     return 1
 312 }
 313
 314 supported_target() {
 315     case "$1" in
 316         *-softmmu)
 317             ;;
 318         *-linux-user)
 319             if test "$linux" != "yes"; then
 320                 print_error "Target '$target' is only available on a Linux host"
 321                 return 1
 322             fi
 323             ;;
 324         *-bsd-user)
 325             if test "$bsd" != "yes"; then
 326                 print_error "Target '$target' is only available on a BSD host"
 327                 return 1
 328             fi
 329             ;;
 330         *)
 331             print_error "Invalid target name '$target'"
 332             return 1
 333             ;;
 334     esac
 335     test "$tcg" = "yes" && return 0
 336     supported_kvm_target "$1" && return 0
 337     supported_xen_target "$1" && return 0
 338     supported_hax_target "$1" && return 0
 339     supported_hvf_target "$1" && return 0
 340     supported_whpx_target "$1" && return 0
 341     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 342     return 1
 343 }
 344
 345
 346 ld_has() {
 347     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 348 }
 349
 350 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 351 then
 352   error_exit "main directory cannot contain spaces nor colons"
 353 fi
 354
 355 # default parameters
 356 cpu=""
 357 iasl="iasl"
 358 interp_prefix="/usr/gnemul/qemu-%M"
 359 static="no"
 360 cross_prefix=""
 361 audio_drv_list=""
 362 block_drv_rw_whitelist=""
 363 block_drv_ro_whitelist=""
 364 host_cc="cc"
 365 libs_cpu=""
 366 libs_softmmu=""
 367 libs_tools=""
 368 audio_win_int=""
 369 libs_qga=""
 370 debug_info="yes"
 371 stack_protector=""
 372 safe_stack=""
 373 use_containers="yes"
 374 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 375
 376 if test -e "$source_path/.git"
 377 then
 378     git_update=yes
 379     git_submodules="ui/keycodemapdb"
 380     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 381     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 382 else
 383     git_update=no
 384     git_submodules=""
 385
 386     if ! test -f "$source_path/ui/keycodemapdb/README"
 387     then
 388         echo
 389         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 390         echo
 391         echo "This is not a GIT checkout but module content appears to"
 392         echo "be missing. Do not use 'git archive' or GitHub download links"
 393         echo "to acquire QEMU source archives. Non-GIT builds are only"
 394         echo "supported with source archives linked from:"
 395         echo
 396         echo "  https://www.qemu.org/download/#source"
 397         echo
 398         echo "Developers working with GIT can use scripts/archive-source.sh"
 399         echo "if they need to create valid source archives."
 400         echo
 401         exit 1
 402     fi
 403 fi
 404 git="git"
 405
 406 # Don't accept a target_list environment variable.
 407 unset target_list
 408 unset target_list_exclude
 409
 410 # Default value for a variable defining feature "foo".
 411 #  * foo="no"  feature will only be used if --enable-foo arg is given
 412 #  * foo=""    feature will be searched for, and if found, will be used
 413 #              unless --disable-foo is given
 414 #  * foo="yes" this value will only be set by --enable-foo flag.
 415 #              feature will searched for,
 416 #              if not found, configure exits with error
 417 #
 418 # Always add --enable-foo and --disable-foo command line args.
 419 # Distributions want to ensure that several features are compiled in, and it
 420 # is impossible without a --enable-foo that exits if a feature is not found.
 421
 422 brlapi=""
 423 curl=""
 424 curses=""
 425 docs=""
 426 fdt=""
 427 netmap="no"
 428 sdl=""
 429 sdl_image=""
 430 virtfs=""
 431 mpath=""
 432 vnc="yes"
 433 sparse="no"
 434 vde=""
 435 vnc_sasl=""
 436 vnc_jpeg=""
 437 vnc_png=""
 438 xkbcommon=""
 439 xen=""
 440 xen_ctrl_version=""
 441 xen_pci_passthrough=""
 442 linux_aio=""
 443 linux_io_uring=""
 444 cap_ng=""
 445 attr=""
 446 libattr=""
 447 xfs=""
 448 tcg="yes"
 449 membarrier=""
 450 vhost_net=""
 451 vhost_crypto=""
 452 vhost_scsi=""
 453 vhost_vsock=""
 454 vhost_user=""
 455 vhost_user_fs=""
 456 kvm="no"
 457 hax="no"
 458 hvf="no"
 459 whpx="no"
 460 rdma=""
 461 pvrdma=""
 462 gprof="no"
 463 debug_tcg="no"
 464 debug="no"
 465 sanitizers="no"
 466 tsan="no"
 467 fortify_source=""
 468 strip_opt="yes"
 469 tcg_interpreter="no"
 470 bigendian="no"
 471 mingw32="no"
 472 gcov="no"
 473 EXESUF=""
 474 DSOSUF=".so"
 475 LDFLAGS_SHARED="-shared"
 476 modules="no"
 477 module_upgrades="no"
 478 prefix="/usr/local"
 479 firmwarepath="\${prefix}/share/qemu-firmware"
 480 confsuffix="/qemu"
 481 slirp=""
 482 oss_lib=""
 483 bsd="no"
 484 linux="no"
 485 solaris="no"
 486 profiler="no"
 487 cocoa="no"
 488 softmmu="yes"
 489 linux_user="no"
 490 bsd_user="no"
 491 blobs="yes"
 492 edk2_blobs="no"
 493 pkgversion=""
 494 pie=""
 495 qom_cast_debug="yes"
 496 trace_backends="log"
 497 trace_file="trace"
 498 spice=""
 499 rbd=""
 500 smartcard=""
 501 libusb=""
 502 usb_redir=""
 503 opengl=""
 504 opengl_dmabuf="no"
 505 cpuid_h="no"
 506 avx2_opt=""
 507 zlib="yes"
 508 capstone=""
 509 lzo=""
 510 snappy=""
 511 bzip2=""
 512 lzfse=""
 513 zstd=""
 514 guest_agent=""
 515 guest_agent_with_vss="no"
 516 guest_agent_ntddscsi="no"
 517 guest_agent_msi=""
 518 vss_win32_sdk=""
 519 win_sdk="no"
 520 want_tools=""
 521 libiscsi=""
 522 libnfs=""
 523 coroutine=""
 524 coroutine_pool=""
 525 debug_stack_usage="no"
 526 crypto_afalg="no"
 527 seccomp=""
 528 glusterfs=""
 529 glusterfs_xlator_opt="no"
 530 glusterfs_discard="no"
 531 glusterfs_fallocate="no"
 532 glusterfs_zerofill="no"
 533 glusterfs_ftruncate_has_stat="no"
 534 glusterfs_iocb_has_stat="no"
 535 gtk=""
 536 gtk_gl="no"
 537 tls_priority="NORMAL"
 538 gnutls=""
 539 nettle=""
 540 nettle_xts="no"
 541 gcrypt=""
 542 gcrypt_hmac="no"
 543 gcrypt_xts="no"
 544 qemu_private_xts="yes"
 545 auth_pam=""
 546 vte=""
 547 virglrenderer=""
 548 tpm=""
 549 libssh=""
 550 live_block_migration="yes"
 551 numa=""
 552 tcmalloc="no"
 553 jemalloc="no"
 554 replication="yes"
 555 bochs="yes"
 556 cloop="yes"
 557 dmg="yes"
 558 qcow1="yes"
 559 vdi="yes"
 560 vvfat="yes"
 561 qed="yes"
 562 parallels="yes"
 563 sheepdog="yes"
 564 libxml2=""
 565 debug_mutex="no"
 566 libpmem=""
 567 default_devices="yes"
 568 plugins="no"
 569 fuzzing="no"
 570 rng_none="no"
 571 secret_keyring=""
 572 libdaxctl=""
 573 meson=""
 574 skip_meson=no
 575
 576 bogus_os="no"
 577 malloc_trim=""
 578
 579 # parse CC options first
 580 for opt do
 581   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 582   case "$opt" in
 583   --cross-prefix=*) cross_prefix="$optarg"
 584   ;;
 585   --cc=*) CC="$optarg"
 586   ;;
 587   --cxx=*) CXX="$optarg"
 588   ;;
 589   --cpu=*) cpu="$optarg"
 590   ;;
 591   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 592                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 593   ;;
 594   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 595   ;;
 596   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 597                      EXTRA_LDFLAGS="$optarg"
 598   ;;
 599   --enable-debug-info) debug_info="yes"
 600   ;;
 601   --disable-debug-info) debug_info="no"
 602   ;;
 603   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 604   ;;
 605   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 606                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 607                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 608   ;;
 609   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 610                 cc_archs="$cc_archs $cc_arch"
 611                 eval "cross_cc_${cc_arch}=\$optarg"
 612                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 613   ;;
 614   esac
 615 done
 616 # OS specific
 617 # Using uname is really, really broken.  Once we have the right set of checks
 618 # we can eliminate its usage altogether.
 619
 620 # Preferred compiler:
 621 #  ${CC} (if set)
 622 #  ${cross_prefix}gcc (if cross-prefix specified)
 623 #  system compiler
 624 if test -z "${CC}${cross_prefix}"; then
 625   cc="$host_cc"
 626 else
 627   cc="${CC-${cross_prefix}gcc}"
 628 fi
 629
 630 if test -z "${CXX}${cross_prefix}"; then
 631   cxx="c++"
 632 else
 633   cxx="${CXX-${cross_prefix}g++}"
 634 fi
 635
 636 ar="${AR-${cross_prefix}ar}"
 637 as="${AS-${cross_prefix}as}"
 638 ccas="${CCAS-$cc}"
 639 cpp="${CPP-$cc -E}"
 640 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 641 ld="${LD-${cross_prefix}ld}"
 642 ranlib="${RANLIB-${cross_prefix}ranlib}"
 643 nm="${NM-${cross_prefix}nm}"
 644 strip="${STRIP-${cross_prefix}strip}"
 645 windres="${WINDRES-${cross_prefix}windres}"
 646 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 647 query_pkg_config() {
 648     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 649 }
 650 pkg_config=query_pkg_config
 651 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 652
 653 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 654 ARFLAGS="${ARFLAGS-rv}"
 655
 656 # default flags for all hosts
 657 # We use -fwrapv to tell the compiler that we require a C dialect where
 658 # left shift of signed integers is well defined and has the expected
 659 # 2s-complement style results. (Both clang and gcc agree that it
 660 # provides these semantics.)
 661 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 662 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 663 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 664 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 665 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 666 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 667 CFLAGS="-std=gnu99 -Wall"
 668
 669
 670 # running configure in the source tree?
 671 # we know that's the case if configure is there.
 672 if test -f "./configure"; then
 673     pwd_is_source_path="y"
 674 else
 675     pwd_is_source_path="n"
 676 fi
 677
 678 check_define() {
 679 cat > $TMPC <<EOF
 680 #if !defined($1)
 681 #error $1 not defined
 682 #endif
 683 int main(void) { return 0; }
 684 EOF
 685   compile_object
 686 }
 687
 688 check_include() {
 689 cat > $TMPC <<EOF
 690 #include <$1>
 691 int main(void) { return 0; }
 692 EOF
 693   compile_object
 694 }
 695
 696 write_c_skeleton() {
 697     cat > $TMPC <<EOF
 698 int main(void) { return 0; }
 699 EOF
 700 }
 701
 702 write_c_fuzzer_skeleton() {
 703     cat > $TMPC <<EOF
 704 #include <stdint.h>
 705 #include <sys/types.h>
 706 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 707 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 708 EOF
 709 }
 710
 711 if check_define __linux__ ; then
 712   targetos="Linux"
 713 elif check_define _WIN32 ; then
 714   targetos='MINGW32'
 715 elif check_define __OpenBSD__ ; then
 716   targetos='OpenBSD'
 717 elif check_define __sun__ ; then
 718   targetos='SunOS'
 719 elif check_define __HAIKU__ ; then
 720   targetos='Haiku'
 721 elif check_define __FreeBSD__ ; then
 722   targetos='FreeBSD'
 723 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 724   targetos='GNU/kFreeBSD'
 725 elif check_define __DragonFly__ ; then
 726   targetos='DragonFly'
 727 elif check_define __NetBSD__; then
 728   targetos='NetBSD'
 729 elif check_define __APPLE__; then
 730   targetos='Darwin'
 731 else
 732   # This is a fatal error, but don't report it yet, because we
 733   # might be going to just print the --help text, or it might
 734   # be the result of a missing compiler.
 735   targetos='bogus'
 736   bogus_os='yes'
 737 fi
 738
 739 # Some host OSes need non-standard checks for which CPU to use.
 740 # Note that these checks are broken for cross-compilation: if you're
 741 # cross-compiling to one of these OSes then you'll need to specify
 742 # the correct CPU with the --cpu option.
 743 case $targetos in
 744 Darwin)
 745   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 746   # run 64-bit userspace code.
 747   # If the user didn't specify a CPU explicitly and the kernel says this is
 748   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 749   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 750     cpu="x86_64"
 751   fi
 752   ;;
 753 SunOS)
 754   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 755   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 756     cpu="x86_64"
 757   fi
 758 esac
 759
 760 if test ! -z "$cpu" ; then
 761   # command line argument
 762   :
 763 elif check_define __i386__ ; then
 764   cpu="i386"
 765 elif check_define __x86_64__ ; then
 766   if check_define __ILP32__ ; then
 767     cpu="x32"
 768   else
 769     cpu="x86_64"
 770   fi
 771 elif check_define __sparc__ ; then
 772   if check_define __arch64__ ; then
 773     cpu="sparc64"
 774   else
 775     cpu="sparc"
 776   fi
 777 elif check_define _ARCH_PPC ; then
 778   if check_define _ARCH_PPC64 ; then
 779     if check_define _LITTLE_ENDIAN ; then
 780       cpu="ppc64le"
 781     else
 782       cpu="ppc64"
 783     fi
 784   else
 785     cpu="ppc"
 786   fi
 787 elif check_define __mips__ ; then
 788   cpu="mips"
 789 elif check_define __s390__ ; then
 790   if check_define __s390x__ ; then
 791     cpu="s390x"
 792   else
 793     cpu="s390"
 794   fi
 795 elif check_define __riscv ; then
 796   if check_define _LP64 ; then
 797     cpu="riscv64"
 798   else
 799     cpu="riscv32"
 800   fi
 801 elif check_define __arm__ ; then
 802   cpu="arm"
 803 elif check_define __aarch64__ ; then
 804   cpu="aarch64"
 805 else
 806   cpu=$(uname -m)
 807 fi
 808
 809 ARCH=
 810 # Normalise host CPU name and set ARCH.
 811 # Note that this case should only have supported host CPUs, not guests.
 812 case "$cpu" in
 813   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 814   ;;
 815   ppc64le)
 816     ARCH="ppc64"
 817   ;;
 818   i386|i486|i586|i686|i86pc|BePC)
 819     cpu="i386"
 820   ;;
 821   x86_64|amd64)
 822     cpu="x86_64"
 823   ;;
 824   armv*b|armv*l|arm)
 825     cpu="arm"
 826   ;;
 827   aarch64)
 828     cpu="aarch64"
 829   ;;
 830   mips*)
 831     cpu="mips"
 832   ;;
 833   sparc|sun4[cdmuv])
 834     cpu="sparc"
 835   ;;
 836   *)
 837     # This will result in either an error or falling back to TCI later
 838     ARCH=unknown
 839   ;;
 840 esac
 841 if test -z "$ARCH"; then
 842   ARCH="$cpu"
 843 fi
 844
 845 # OS specific
 846
 847 # host *BSD for user mode
 848 HOST_VARIANT_DIR=""
 849
 850 case $targetos in
 851 MINGW32*)
 852   mingw32="yes"
 853   hax="yes"
 854   vhost_user="no"
 855   audio_possible_drivers="dsound sdl"
 856   if check_include dsound.h; then
 857     audio_drv_list="dsound"
 858   else
 859     audio_drv_list=""
 860   fi
 861   supported_os="yes"
 862 ;;
 863 GNU/kFreeBSD)
 864   bsd="yes"
 865   audio_drv_list="oss try-sdl"
 866   audio_possible_drivers="oss sdl pa"
 867 ;;
 868 FreeBSD)
 869   bsd="yes"
 870   make="${MAKE-gmake}"
 871   audio_drv_list="oss try-sdl"
 872   audio_possible_drivers="oss sdl pa"
 873   # needed for kinfo_getvmmap(3) in libutil.h
 874   LIBS="-lutil $LIBS"
 875   # needed for kinfo_getproc
 876   libs_qga="-lutil $libs_qga"
 877   netmap=""  # enable netmap autodetect
 878   HOST_VARIANT_DIR="freebsd"
 879 ;;
 880 DragonFly)
 881   bsd="yes"
 882   make="${MAKE-gmake}"
 883   audio_drv_list="oss try-sdl"
 884   audio_possible_drivers="oss sdl pa"
 885   HOST_VARIANT_DIR="dragonfly"
 886 ;;
 887 NetBSD)
 888   bsd="yes"
 889   hax="yes"
 890   make="${MAKE-gmake}"
 891   audio_drv_list="oss try-sdl"
 892   audio_possible_drivers="oss sdl"
 893   oss_lib="-lossaudio"
 894   HOST_VARIANT_DIR="netbsd"
 895 ;;
 896 OpenBSD)
 897   bsd="yes"
 898   make="${MAKE-gmake}"
 899   audio_drv_list="try-sdl"
 900   audio_possible_drivers="sdl"
 901   HOST_VARIANT_DIR="openbsd"
 902 ;;
 903 Darwin)
 904   bsd="yes"
 905   darwin="yes"
 906   hax="yes"
 907   hvf="yes"
 908   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 909   if [ "$cpu" = "x86_64" ] ; then
 910     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 911     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 912   fi
 913   cocoa="yes"
 914   audio_drv_list="coreaudio try-sdl"
 915   audio_possible_drivers="coreaudio sdl"
 916   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 917   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 918   # Disable attempts to use ObjectiveC features in os/object.h since they
 919   # won't work when we're compiling with gcc as a C compiler.
 920   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 921   HOST_VARIANT_DIR="darwin"
 922 ;;
 923 SunOS)
 924   solaris="yes"
 925   make="${MAKE-gmake}"
 926   install="${INSTALL-ginstall}"
 927   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 928   if test -f /usr/include/sys/soundcard.h ; then
 929     audio_drv_list="oss try-sdl"
 930   fi
 931   audio_possible_drivers="oss sdl"
 932 # needed for CMSG_ macros in sys/socket.h
 933   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 934 # needed for TIOCWIN* defines in termios.h
 935   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 936   solarisnetlibs="-lsocket -lnsl -lresolv"
 937   LIBS="$solarisnetlibs $LIBS"
 938   libs_qga="$solarisnetlibs $libs_qga"
 939 ;;
 940 Haiku)
 941   haiku="yes"
 942   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 943   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 944 ;;
 945 Linux)
 946   audio_drv_list="try-pa oss"
 947   audio_possible_drivers="oss alsa sdl pa"
 948   linux="yes"
 949   linux_user="yes"
 950   kvm="yes"
 951   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 952   libudev="yes"
 953 ;;
 954 esac
 955
 956 if [ "$bsd" = "yes" ] ; then
 957   if [ "$darwin" != "yes" ] ; then
 958     bsd_user="yes"
 959   fi
 960 fi
 961
 962 : ${make=${MAKE-make}}
 963 : ${install=${INSTALL-install}}
 964 # We prefer python 3.x. A bare 'python' is traditionally
 965 # python 2.x, but some distros have it as python 3.x, so
 966 # we check that too
 967 python=
 968 explicit_python=no
 969 for binary in "${PYTHON-python3}" python
 970 do
 971     if has "$binary"
 972     then
 973         python=$(command -v "$binary")
 974         break
 975     fi
 976 done
 977
 978 sphinx_build=
 979 for binary in sphinx-build-3 sphinx-build
 980 do
 981     if has "$binary"
 982     then
 983         sphinx_build=$(command -v "$binary")
 984         break
 985     fi
 986 done
 987
 988 # Check for ancillary tools used in testing
 989 genisoimage=
 990 for binary in genisoimage mkisofs
 991 do
 992     if has $binary
 993     then
 994         genisoimage=$(command -v "$binary")
 995         break
 996     fi
 997 done
 998
 999 : ${smbd=${SMBD-/usr/sbin/smbd}}
1000
1001 # Default objcc to clang if available, otherwise use CC
1002 if has clang; then
1003   objcc=clang
1004 else
1005   objcc="$cc"
1006 fi
1007
1008 if test "$mingw32" = "yes" ; then
1009   EXESUF=".exe"
1010   DSOSUF=".dll"
1011   # MinGW needs -mthreads for TLS and macro _MT.
1012   CFLAGS="-mthreads $CFLAGS"
1013   LIBS="-lwinmm -lws2_32 $LIBS"
1014   write_c_skeleton;
1015   if compile_prog "" "-liberty" ; then
1016     LIBS="-liberty $LIBS"
1017   fi
1018   prefix="c:/Program Files/QEMU"
1019   confsuffix=""
1020   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1021 fi
1022
1023 werror=""
1024
1025 for opt do
1026   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1027   case "$opt" in
1028   --help|-h) show_help=yes
1029   ;;
1030   --version|-V) exec cat $source_path/VERSION
1031   ;;
1032   --prefix=*) prefix="$optarg"
1033   ;;
1034   --interp-prefix=*) interp_prefix="$optarg"
1035   ;;
1036   --cross-prefix=*)
1037   ;;
1038   --cc=*)
1039   ;;
1040   --host-cc=*) host_cc="$optarg"
1041   ;;
1042   --cxx=*)
1043   ;;
1044   --iasl=*) iasl="$optarg"
1045   ;;
1046   --objcc=*) objcc="$optarg"
1047   ;;
1048   --make=*) make="$optarg"
1049   ;;
1050   --install=*) install="$optarg"
1051   ;;
1052   --python=*) python="$optarg" ; explicit_python=yes
1053   ;;
1054   --sphinx-build=*) sphinx_build="$optarg"
1055   ;;
1056   --skip-meson) skip_meson=yes
1057   ;;
1058   --meson=*) meson="$optarg"
1059   ;;
1060   --smbd=*) smbd="$optarg"
1061   ;;
1062   --extra-cflags=*)
1063   ;;
1064   --extra-cxxflags=*)
1065   ;;
1066   --extra-ldflags=*)
1067   ;;
1068   --enable-debug-info)
1069   ;;
1070   --disable-debug-info)
1071   ;;
1072   --cross-cc-*)
1073   ;;
1074   --enable-modules)
1075       modules="yes"
1076   ;;
1077   --disable-modules)
1078       modules="no"
1079   ;;
1080   --disable-module-upgrades) module_upgrades="no"
1081   ;;
1082   --enable-module-upgrades) module_upgrades="yes"
1083   ;;
1084   --cpu=*)
1085   ;;
1086   --target-list=*) target_list="$optarg"
1087                    if test "$target_list_exclude"; then
1088                        error_exit "Can't mix --target-list with --target-list-exclude"
1089                    fi
1090   ;;
1091   --target-list-exclude=*) target_list_exclude="$optarg"
1092                    if test "$target_list"; then
1093                        error_exit "Can't mix --target-list-exclude with --target-list"
1094                    fi
1095   ;;
1096   --enable-trace-backends=*) trace_backends="$optarg"
1097   ;;
1098   # XXX: backwards compatibility
1099   --enable-trace-backend=*) trace_backends="$optarg"
1100   ;;
1101   --with-trace-file=*) trace_file="$optarg"
1102   ;;
1103   --with-default-devices) default_devices="yes"
1104   ;;
1105   --without-default-devices) default_devices="no"
1106   ;;
1107   --enable-gprof) gprof="yes"
1108   ;;
1109   --enable-gcov) gcov="yes"
1110   ;;
1111   --static)
1112     static="yes"
1113     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1114   ;;
1115   --mandir=*) mandir="$optarg"
1116   ;;
1117   --bindir=*) bindir="$optarg"
1118   ;;
1119   --libdir=*) libdir="$optarg"
1120   ;;
1121   --libexecdir=*) libexecdir="$optarg"
1122   ;;
1123   --includedir=*) includedir="$optarg"
1124   ;;
1125   --datadir=*) datadir="$optarg"
1126   ;;
1127   --with-confsuffix=*) confsuffix="$optarg"
1128   ;;
1129   --docdir=*) qemu_docdir="$optarg"
1130   ;;
1131   --sysconfdir=*) sysconfdir="$optarg"
1132   ;;
1133   --localstatedir=*) local_statedir="$optarg"
1134   ;;
1135   --firmwarepath=*) firmwarepath="$optarg"
1136   ;;
1137   --host=*|--build=*|\
1138   --disable-dependency-tracking|\
1139   --sbindir=*|--sharedstatedir=*|\
1140   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1141   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1142     # These switches are silently ignored, for compatibility with
1143     # autoconf-generated configure scripts. This allows QEMU's
1144     # configure to be used by RPM and similar macros that set
1145     # lots of directory switches by default.
1146   ;;
1147   --disable-sdl) sdl="no"
1148   ;;
1149   --enable-sdl) sdl="yes"
1150   ;;
1151   --disable-sdl-image) sdl_image="no"
1152   ;;
1153   --enable-sdl-image) sdl_image="yes"
1154   ;;
1155   --disable-qom-cast-debug) qom_cast_debug="no"
1156   ;;
1157   --enable-qom-cast-debug) qom_cast_debug="yes"
1158   ;;
1159   --disable-virtfs) virtfs="no"
1160   ;;
1161   --enable-virtfs) virtfs="yes"
1162   ;;
1163   --disable-mpath) mpath="no"
1164   ;;
1165   --enable-mpath) mpath="yes"
1166   ;;
1167   --disable-vnc) vnc="no"
1168   ;;
1169   --enable-vnc) vnc="yes"
1170   ;;
1171   --oss-lib=*) oss_lib="$optarg"
1172   ;;
1173   --audio-drv-list=*) audio_drv_list="$optarg"
1174   ;;
1175   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1176   ;;
1177   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1178   ;;
1179   --enable-debug-tcg) debug_tcg="yes"
1180   ;;
1181   --disable-debug-tcg) debug_tcg="no"
1182   ;;
1183   --enable-debug)
1184       # Enable debugging options that aren't excessively noisy
1185       debug_tcg="yes"
1186       debug_mutex="yes"
1187       debug="yes"
1188       strip_opt="no"
1189       fortify_source="no"
1190   ;;
1191   --enable-sanitizers) sanitizers="yes"
1192   ;;
1193   --disable-sanitizers) sanitizers="no"
1194   ;;
1195   --enable-tsan) tsan="yes"
1196   ;;
1197   --disable-tsan) tsan="no"
1198   ;;
1199   --enable-sparse) sparse="yes"
1200   ;;
1201   --disable-sparse) sparse="no"
1202   ;;
1203   --disable-strip) strip_opt="no"
1204   ;;
1205   --disable-vnc-sasl) vnc_sasl="no"
1206   ;;
1207   --enable-vnc-sasl) vnc_sasl="yes"
1208   ;;
1209   --disable-vnc-jpeg) vnc_jpeg="no"
1210   ;;
1211   --enable-vnc-jpeg) vnc_jpeg="yes"
1212   ;;
1213   --disable-vnc-png) vnc_png="no"
1214   ;;
1215   --enable-vnc-png) vnc_png="yes"
1216   ;;
1217   --disable-slirp) slirp="no"
1218   ;;
1219   --enable-slirp=git) slirp="git"
1220   ;;
1221   --enable-slirp=system) slirp="system"
1222   ;;
1223   --disable-vde) vde="no"
1224   ;;
1225   --enable-vde) vde="yes"
1226   ;;
1227   --disable-netmap) netmap="no"
1228   ;;
1229   --enable-netmap) netmap="yes"
1230   ;;
1231   --disable-xen) xen="no"
1232   ;;
1233   --enable-xen) xen="yes"
1234   ;;
1235   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1236   ;;
1237   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1238   ;;
1239   --disable-brlapi) brlapi="no"
1240   ;;
1241   --enable-brlapi) brlapi="yes"
1242   ;;
1243   --disable-kvm) kvm="no"
1244   ;;
1245   --enable-kvm) kvm="yes"
1246   ;;
1247   --disable-hax) hax="no"
1248   ;;
1249   --enable-hax) hax="yes"
1250   ;;
1251   --disable-hvf) hvf="no"
1252   ;;
1253   --enable-hvf) hvf="yes"
1254   ;;
1255   --disable-whpx) whpx="no"
1256   ;;
1257   --enable-whpx) whpx="yes"
1258   ;;
1259   --disable-tcg-interpreter) tcg_interpreter="no"
1260   ;;
1261   --enable-tcg-interpreter) tcg_interpreter="yes"
1262   ;;
1263   --disable-cap-ng)  cap_ng="no"
1264   ;;
1265   --enable-cap-ng) cap_ng="yes"
1266   ;;
1267   --disable-tcg) tcg="no"
1268   ;;
1269   --enable-tcg) tcg="yes"
1270   ;;
1271   --disable-malloc-trim) malloc_trim="no"
1272   ;;
1273   --enable-malloc-trim) malloc_trim="yes"
1274   ;;
1275   --disable-spice) spice="no"
1276   ;;
1277   --enable-spice) spice="yes"
1278   ;;
1279   --disable-libiscsi) libiscsi="no"
1280   ;;
1281   --enable-libiscsi) libiscsi="yes"
1282   ;;
1283   --disable-libnfs) libnfs="no"
1284   ;;
1285   --enable-libnfs) libnfs="yes"
1286   ;;
1287   --enable-profiler) profiler="yes"
1288   ;;
1289   --disable-cocoa) cocoa="no"
1290   ;;
1291   --enable-cocoa)
1292       cocoa="yes" ;
1293       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1294   ;;
1295   --disable-system) softmmu="no"
1296   ;;
1297   --enable-system) softmmu="yes"
1298   ;;
1299   --disable-user)
1300       linux_user="no" ;
1301       bsd_user="no" ;
1302   ;;
1303   --enable-user) ;;
1304   --disable-linux-user) linux_user="no"
1305   ;;
1306   --enable-linux-user) linux_user="yes"
1307   ;;
1308   --disable-bsd-user) bsd_user="no"
1309   ;;
1310   --enable-bsd-user) bsd_user="yes"
1311   ;;
1312   --enable-pie) pie="yes"
1313   ;;
1314   --disable-pie) pie="no"
1315   ;;
1316   --enable-werror) werror="yes"
1317   ;;
1318   --disable-werror) werror="no"
1319   ;;
1320   --enable-stack-protector) stack_protector="yes"
1321   ;;
1322   --disable-stack-protector) stack_protector="no"
1323   ;;
1324   --enable-safe-stack) safe_stack="yes"
1325   ;;
1326   --disable-safe-stack) safe_stack="no"
1327   ;;
1328   --disable-curses) curses="no"
1329   ;;
1330   --enable-curses) curses="yes"
1331   ;;
1332   --disable-iconv) iconv="no"
1333   ;;
1334   --enable-iconv) iconv="yes"
1335   ;;
1336   --disable-curl) curl="no"
1337   ;;
1338   --enable-curl) curl="yes"
1339   ;;
1340   --disable-fdt) fdt="no"
1341   ;;
1342   --enable-fdt) fdt="yes"
1343   ;;
1344   --disable-linux-aio) linux_aio="no"
1345   ;;
1346   --enable-linux-aio) linux_aio="yes"
1347   ;;
1348   --disable-linux-io-uring) linux_io_uring="no"
1349   ;;
1350   --enable-linux-io-uring) linux_io_uring="yes"
1351   ;;
1352   --disable-attr) attr="no"
1353   ;;
1354   --enable-attr) attr="yes"
1355   ;;
1356   --disable-membarrier) membarrier="no"
1357   ;;
1358   --enable-membarrier) membarrier="yes"
1359   ;;
1360   --disable-blobs) blobs="no"
1361   ;;
1362   --with-pkgversion=*) pkgversion="$optarg"
1363   ;;
1364   --with-coroutine=*) coroutine="$optarg"
1365   ;;
1366   --disable-coroutine-pool) coroutine_pool="no"
1367   ;;
1368   --enable-coroutine-pool) coroutine_pool="yes"
1369   ;;
1370   --enable-debug-stack-usage) debug_stack_usage="yes"
1371   ;;
1372   --enable-crypto-afalg) crypto_afalg="yes"
1373   ;;
1374   --disable-crypto-afalg) crypto_afalg="no"
1375   ;;
1376   --disable-docs) docs="no"
1377   ;;
1378   --enable-docs) docs="yes"
1379   ;;
1380   --disable-vhost-net) vhost_net="no"
1381   ;;
1382   --enable-vhost-net) vhost_net="yes"
1383   ;;
1384   --disable-vhost-crypto) vhost_crypto="no"
1385   ;;
1386   --enable-vhost-crypto) vhost_crypto="yes"
1387   ;;
1388   --disable-vhost-scsi) vhost_scsi="no"
1389   ;;
1390   --enable-vhost-scsi) vhost_scsi="yes"
1391   ;;
1392   --disable-vhost-vsock) vhost_vsock="no"
1393   ;;
1394   --enable-vhost-vsock) vhost_vsock="yes"
1395   ;;
1396   --disable-vhost-user-fs) vhost_user_fs="no"
1397   ;;
1398   --enable-vhost-user-fs) vhost_user_fs="yes"
1399   ;;
1400   --disable-opengl) opengl="no"
1401   ;;
1402   --enable-opengl) opengl="yes"
1403   ;;
1404   --disable-rbd) rbd="no"
1405   ;;
1406   --enable-rbd) rbd="yes"
1407   ;;
1408   --disable-xfsctl) xfs="no"
1409   ;;
1410   --enable-xfsctl) xfs="yes"
1411   ;;
1412   --disable-smartcard) smartcard="no"
1413   ;;
1414   --enable-smartcard) smartcard="yes"
1415   ;;
1416   --disable-libusb) libusb="no"
1417   ;;
1418   --enable-libusb) libusb="yes"
1419   ;;
1420   --disable-usb-redir) usb_redir="no"
1421   ;;
1422   --enable-usb-redir) usb_redir="yes"
1423   ;;
1424   --disable-zlib-test) zlib="no"
1425   ;;
1426   --disable-lzo) lzo="no"
1427   ;;
1428   --enable-lzo) lzo="yes"
1429   ;;
1430   --disable-snappy) snappy="no"
1431   ;;
1432   --enable-snappy) snappy="yes"
1433   ;;
1434   --disable-bzip2) bzip2="no"
1435   ;;
1436   --enable-bzip2) bzip2="yes"
1437   ;;
1438   --enable-lzfse) lzfse="yes"
1439   ;;
1440   --disable-lzfse) lzfse="no"
1441   ;;
1442   --disable-zstd) zstd="no"
1443   ;;
1444   --enable-zstd) zstd="yes"
1445   ;;
1446   --enable-guest-agent) guest_agent="yes"
1447   ;;
1448   --disable-guest-agent) guest_agent="no"
1449   ;;
1450   --enable-guest-agent-msi) guest_agent_msi="yes"
1451   ;;
1452   --disable-guest-agent-msi) guest_agent_msi="no"
1453   ;;
1454   --with-vss-sdk) vss_win32_sdk=""
1455   ;;
1456   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1457   ;;
1458   --without-vss-sdk) vss_win32_sdk="no"
1459   ;;
1460   --with-win-sdk) win_sdk=""
1461   ;;
1462   --with-win-sdk=*) win_sdk="$optarg"
1463   ;;
1464   --without-win-sdk) win_sdk="no"
1465   ;;
1466   --enable-tools) want_tools="yes"
1467   ;;
1468   --disable-tools) want_tools="no"
1469   ;;
1470   --enable-seccomp) seccomp="yes"
1471   ;;
1472   --disable-seccomp) seccomp="no"
1473   ;;
1474   --disable-glusterfs) glusterfs="no"
1475   ;;
1476   --disable-avx2) avx2_opt="no"
1477   ;;
1478   --enable-avx2) avx2_opt="yes"
1479   ;;
1480   --disable-avx512f) avx512f_opt="no"
1481   ;;
1482   --enable-avx512f) avx512f_opt="yes"
1483   ;;
1484
1485   --enable-glusterfs) glusterfs="yes"
1486   ;;
1487   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1488       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1489   ;;
1490   --enable-vhdx|--disable-vhdx)
1491       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1492   ;;
1493   --enable-uuid|--disable-uuid)
1494       echo "$0: $opt is obsolete, UUID support is always built" >&2
1495   ;;
1496   --disable-gtk) gtk="no"
1497   ;;
1498   --enable-gtk) gtk="yes"
1499   ;;
1500   --tls-priority=*) tls_priority="$optarg"
1501   ;;
1502   --disable-gnutls) gnutls="no"
1503   ;;
1504   --enable-gnutls) gnutls="yes"
1505   ;;
1506   --disable-nettle) nettle="no"
1507   ;;
1508   --enable-nettle) nettle="yes"
1509   ;;
1510   --disable-gcrypt) gcrypt="no"
1511   ;;
1512   --enable-gcrypt) gcrypt="yes"
1513   ;;
1514   --disable-auth-pam) auth_pam="no"
1515   ;;
1516   --enable-auth-pam) auth_pam="yes"
1517   ;;
1518   --enable-rdma) rdma="yes"
1519   ;;
1520   --disable-rdma) rdma="no"
1521   ;;
1522   --enable-pvrdma) pvrdma="yes"
1523   ;;
1524   --disable-pvrdma) pvrdma="no"
1525   ;;
1526   --disable-vte) vte="no"
1527   ;;
1528   --enable-vte) vte="yes"
1529   ;;
1530   --disable-virglrenderer) virglrenderer="no"
1531   ;;
1532   --enable-virglrenderer) virglrenderer="yes"
1533   ;;
1534   --disable-tpm) tpm="no"
1535   ;;
1536   --enable-tpm) tpm="yes"
1537   ;;
1538   --disable-libssh) libssh="no"
1539   ;;
1540   --enable-libssh) libssh="yes"
1541   ;;
1542   --disable-live-block-migration) live_block_migration="no"
1543   ;;
1544   --enable-live-block-migration) live_block_migration="yes"
1545   ;;
1546   --disable-numa) numa="no"
1547   ;;
1548   --enable-numa) numa="yes"
1549   ;;
1550   --disable-libxml2) libxml2="no"
1551   ;;
1552   --enable-libxml2) libxml2="yes"
1553   ;;
1554   --disable-tcmalloc) tcmalloc="no"
1555   ;;
1556   --enable-tcmalloc) tcmalloc="yes"
1557   ;;
1558   --disable-jemalloc) jemalloc="no"
1559   ;;
1560   --enable-jemalloc) jemalloc="yes"
1561   ;;
1562   --disable-replication) replication="no"
1563   ;;
1564   --enable-replication) replication="yes"
1565   ;;
1566   --disable-bochs) bochs="no"
1567   ;;
1568   --enable-bochs) bochs="yes"
1569   ;;
1570   --disable-cloop) cloop="no"
1571   ;;
1572   --enable-cloop) cloop="yes"
1573   ;;
1574   --disable-dmg) dmg="no"
1575   ;;
1576   --enable-dmg) dmg="yes"
1577   ;;
1578   --disable-qcow1) qcow1="no"
1579   ;;
1580   --enable-qcow1) qcow1="yes"
1581   ;;
1582   --disable-vdi) vdi="no"
1583   ;;
1584   --enable-vdi) vdi="yes"
1585   ;;
1586   --disable-vvfat) vvfat="no"
1587   ;;
1588   --enable-vvfat) vvfat="yes"
1589   ;;
1590   --disable-qed) qed="no"
1591   ;;
1592   --enable-qed) qed="yes"
1593   ;;
1594   --disable-parallels) parallels="no"
1595   ;;
1596   --enable-parallels) parallels="yes"
1597   ;;
1598   --disable-sheepdog) sheepdog="no"
1599   ;;
1600   --enable-sheepdog) sheepdog="yes"
1601   ;;
1602   --disable-vhost-user) vhost_user="no"
1603   ;;
1604   --enable-vhost-user) vhost_user="yes"
1605   ;;
1606   --disable-vhost-vdpa) vhost_vdpa="no"
1607   ;;
1608   --enable-vhost-vdpa) vhost_vdpa="yes"
1609   ;;
1610   --disable-vhost-kernel) vhost_kernel="no"
1611   ;;
1612   --enable-vhost-kernel) vhost_kernel="yes"
1613   ;;
1614   --disable-capstone) capstone="no"
1615   ;;
1616   --enable-capstone) capstone="yes"
1617   ;;
1618   --enable-capstone=git) capstone="git"
1619   ;;
1620   --enable-capstone=system) capstone="system"
1621   ;;
1622   --with-git=*) git="$optarg"
1623   ;;
1624   --enable-git-update) git_update=yes
1625   ;;
1626   --disable-git-update) git_update=no
1627   ;;
1628   --enable-debug-mutex) debug_mutex=yes
1629   ;;
1630   --disable-debug-mutex) debug_mutex=no
1631   ;;
1632   --enable-libpmem) libpmem=yes
1633   ;;
1634   --disable-libpmem) libpmem=no
1635   ;;
1636   --enable-xkbcommon) xkbcommon=yes
1637   ;;
1638   --disable-xkbcommon) xkbcommon=no
1639   ;;
1640   --enable-plugins) plugins="yes"
1641   ;;
1642   --disable-plugins) plugins="no"
1643   ;;
1644   --enable-containers) use_containers="yes"
1645   ;;
1646   --disable-containers) use_containers="no"
1647   ;;
1648   --enable-fuzzing) fuzzing=yes
1649   ;;
1650   --disable-fuzzing) fuzzing=no
1651   ;;
1652   --gdb=*) gdb_bin="$optarg"
1653   ;;
1654   --enable-rng-none) rng_none=yes
1655   ;;
1656   --disable-rng-none) rng_none=no
1657   ;;
1658   --enable-keyring) secret_keyring="yes"
1659   ;;
1660   --disable-keyring) secret_keyring="no"
1661   ;;
1662   --enable-libdaxctl) libdaxctl=yes
1663   ;;
1664   --disable-libdaxctl) libdaxctl=no
1665   ;;
1666   *)
1667       echo "ERROR: unknown option $opt"
1668       echo "Try '$0 --help' for more information"
1669       exit 1
1670   ;;
1671   esac
1672 done
1673
1674 libdir="${libdir:-$prefix/lib}"
1675 libexecdir="${libexecdir:-$prefix/libexec}"
1676 includedir="${includedir:-$prefix/include}"
1677
1678 if test "$mingw32" = "yes" ; then
1679     mandir="$prefix"
1680     datadir="$prefix"
1681     qemu_docdir="$prefix"
1682     bindir="$prefix"
1683     sysconfdir="$prefix"
1684     local_statedir=
1685 else
1686     mandir="${mandir:-$prefix/share/man}"
1687     datadir="${datadir:-$prefix/share}"
1688     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1689     bindir="${bindir:-$prefix/bin}"
1690     sysconfdir="${sysconfdir:-$prefix/etc}"
1691     local_statedir="${local_statedir:-$prefix/var}"
1692 fi
1693
1694 case "$cpu" in
1695     ppc)
1696            CPU_CFLAGS="-m32"
1697            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1698            ;;
1699     ppc64)
1700            CPU_CFLAGS="-m64"
1701            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1702            ;;
1703     sparc)
1704            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1705            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1706            ;;
1707     sparc64)
1708            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1709            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1710            ;;
1711     s390)
1712            CPU_CFLAGS="-m31"
1713            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1714            ;;
1715     s390x)
1716            CPU_CFLAGS="-m64"
1717            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1718            ;;
1719     i386)
1720            CPU_CFLAGS="-m32"
1721            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1722            ;;
1723     x86_64)
1724            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1725            # If we truly care, we should simply detect this case at
1726            # runtime and generate the fallback to serial emulation.
1727            CPU_CFLAGS="-m64 -mcx16"
1728            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1729            ;;
1730     x32)
1731            CPU_CFLAGS="-mx32"
1732            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1733            ;;
1734     # No special flags required for other host CPUs
1735 esac
1736
1737 eval "cross_cc_${cpu}=\$host_cc"
1738 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1739 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1740
1741 # For user-mode emulation the host arch has to be one we explicitly
1742 # support, even if we're using TCI.
1743 if [ "$ARCH" = "unknown" ]; then
1744   bsd_user="no"
1745   linux_user="no"
1746 fi
1747
1748 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1749   tcg="no"
1750 fi
1751
1752 default_target_list=""
1753
1754 mak_wilds=""
1755
1756 if [ "$softmmu" = "yes" ]; then
1757     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1758 fi
1759 if [ "$linux_user" = "yes" ]; then
1760     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1761 fi
1762 if [ "$bsd_user" = "yes" ]; then
1763     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1764 fi
1765
1766 if test -z "$target_list_exclude"; then
1767     for config in $mak_wilds; do
1768         default_target_list="${default_target_list} $(basename "$config" .mak)"
1769     done
1770 else
1771     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1772     for config in $mak_wilds; do
1773         target="$(basename "$config" .mak)"
1774         exclude="no"
1775         for excl in $exclude_list; do
1776             if test "$excl" = "$target"; then
1777                 exclude="yes"
1778                 break;
1779             fi
1780         done
1781         if test "$exclude" = "no"; then
1782             default_target_list="${default_target_list} $target"
1783         fi
1784     done
1785 fi
1786
1787 # Enumerate public trace backends for --help output
1788 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1789
1790 if test x"$show_help" = x"yes" ; then
1791 cat << EOF
1792
1793 Usage: configure [options]
1794 Options: [defaults in brackets after descriptions]
1795
1796 Standard options:
1797   --help                   print this message
1798   --prefix=PREFIX          install in PREFIX [$prefix]
1799   --interp-prefix=PREFIX   where to find shared libraries, etc.
1800                            use %M for cpu name [$interp_prefix]
1801   --target-list=LIST       set target list (default: build everything)
1802 $(echo Available targets: $default_target_list | \
1803   fold -s -w 53 | sed -e 's/^/                           /')
1804   --target-list-exclude=LIST exclude a set of targets from the default target-list
1805
1806 Advanced options (experts only):
1807   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1808   --cc=CC                  use C compiler CC [$cc]
1809   --iasl=IASL              use ACPI compiler IASL [$iasl]
1810   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1811                            build time
1812   --cxx=CXX                use C++ compiler CXX [$cxx]
1813   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1814   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1815   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1816   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1817   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1818   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1819   --make=MAKE              use specified make [$make]
1820   --install=INSTALL        use specified install [$install]
1821   --python=PYTHON          use specified python [$python]
1822   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1823   --meson=MESON            use specified meson [$meson]
1824   --smbd=SMBD              use specified smbd [$smbd]
1825   --with-git=GIT           use specified git [$git]
1826   --static                 enable static build [$static]
1827   --mandir=PATH            install man pages in PATH
1828   --datadir=PATH           install firmware in PATH$confsuffix
1829   --docdir=PATH            install documentation in PATH$confsuffix
1830   --bindir=PATH            install binaries in PATH
1831   --libdir=PATH            install libraries in PATH
1832   --libexecdir=PATH        install helper binaries in PATH
1833   --sysconfdir=PATH        install config in PATH$confsuffix
1834   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1835   --firmwarepath=PATH      search PATH for firmware files
1836   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1837   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1838   --with-pkgversion=VERS   use specified string as sub-version of the package
1839   --enable-debug           enable common debug build options
1840   --enable-sanitizers      enable default sanitizers
1841   --enable-tsan            enable thread sanitizer
1842   --disable-strip          disable stripping binaries
1843   --disable-werror         disable compilation abort on warning
1844   --disable-stack-protector disable compiler-provided stack protection
1845   --audio-drv-list=LIST    set audio drivers list:
1846                            Available drivers: $audio_possible_drivers
1847   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1848   --block-drv-rw-whitelist=L
1849                            set block driver read-write whitelist
1850                            (affects only QEMU, not qemu-img)
1851   --block-drv-ro-whitelist=L
1852                            set block driver read-only whitelist
1853                            (affects only QEMU, not qemu-img)
1854   --enable-trace-backends=B Set trace backend
1855                            Available backends: $trace_backend_list
1856   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1857                            Default:trace-<pid>
1858   --disable-slirp          disable SLIRP userspace network connectivity
1859   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1860   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1861   --oss-lib                path to OSS library
1862   --cpu=CPU                Build for host CPU [$cpu]
1863   --with-coroutine=BACKEND coroutine backend. Supported options:
1864                            ucontext, sigaltstack, windows
1865   --enable-gcov            enable test coverage analysis with gcov
1866   --disable-blobs          disable installing provided firmware blobs
1867   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1868   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1869   --tls-priority           default TLS protocol/cipher priority string
1870   --enable-gprof           QEMU profiling with gprof
1871   --enable-profiler        profiler support
1872   --enable-debug-stack-usage
1873                            track the maximum stack usage of stacks created by qemu_alloc_stack
1874   --enable-plugins
1875                            enable plugins via shared library loading
1876   --disable-containers     don't use containers for cross-building
1877   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1878
1879 Optional features, enabled with --enable-FEATURE and
1880 disabled with --disable-FEATURE, default is enabled if available:
1881
1882   system          all system emulation targets
1883   user            supported user emulation targets
1884   linux-user      all linux usermode emulation targets
1885   bsd-user        all BSD usermode emulation targets
1886   docs            build documentation
1887   guest-agent     build the QEMU Guest Agent
1888   guest-agent-msi build guest agent Windows MSI installation package
1889   pie             Position Independent Executables
1890   modules         modules support (non-Windows)
1891   module-upgrades try to load modules from alternate paths for upgrades
1892   debug-tcg       TCG debugging (default is disabled)
1893   debug-info      debugging information
1894   sparse          sparse checker
1895   safe-stack      SafeStack Stack Smash Protection. Depends on
1896                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1897
1898   gnutls          GNUTLS cryptography support
1899   nettle          nettle cryptography support
1900   gcrypt          libgcrypt cryptography support
1901   auth-pam        PAM access control
1902   sdl             SDL UI
1903   sdl-image       SDL Image support for icons
1904   gtk             gtk UI
1905   vte             vte support for the gtk UI
1906   curses          curses UI
1907   iconv           font glyph conversion support
1908   vnc             VNC UI support
1909   vnc-sasl        SASL encryption for VNC server
1910   vnc-jpeg        JPEG lossy compression for VNC server
1911   vnc-png         PNG compression for VNC server
1912   cocoa           Cocoa UI (Mac OS X only)
1913   virtfs          VirtFS
1914   mpath           Multipath persistent reservation passthrough
1915   xen             xen backend driver support
1916   xen-pci-passthrough    PCI passthrough support for Xen
1917   brlapi          BrlAPI (Braile)
1918   curl            curl connectivity
1919   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1920   fdt             fdt device tree
1921   kvm             KVM acceleration support
1922   hax             HAX acceleration support
1923   hvf             Hypervisor.framework acceleration support
1924   whpx            Windows Hypervisor Platform acceleration support
1925   rdma            Enable RDMA-based migration
1926   pvrdma          Enable PVRDMA support
1927   vde             support for vde network
1928   netmap          support for netmap network
1929   linux-aio       Linux AIO support
1930   linux-io-uring  Linux io_uring support
1931   cap-ng          libcap-ng support
1932   attr            attr and xattr support
1933   vhost-net       vhost-net kernel acceleration support
1934   vhost-vsock     virtio sockets device support
1935   vhost-scsi      vhost-scsi kernel target support
1936   vhost-crypto    vhost-user-crypto backend support
1937   vhost-kernel    vhost kernel backend support
1938   vhost-user      vhost-user backend support
1939   vhost-vdpa      vhost-vdpa kernel backend support
1940   spice           spice
1941   rbd             rados block device (rbd)
1942   libiscsi        iscsi support
1943   libnfs          nfs support
1944   smartcard       smartcard support (libcacard)
1945   libusb          libusb (for usb passthrough)
1946   live-block-migration   Block migration in the main migration stream
1947   usb-redir       usb network redirection support
1948   lzo             support of lzo compression library
1949   snappy          support of snappy compression library
1950   bzip2           support of bzip2 compression library
1951                   (for reading bzip2-compressed dmg images)
1952   lzfse           support of lzfse compression library
1953                   (for reading lzfse-compressed dmg images)
1954   zstd            support for zstd compression library
1955                   (for migration compression and qcow2 cluster compression)
1956   seccomp         seccomp support
1957   coroutine-pool  coroutine freelist (better performance)
1958   glusterfs       GlusterFS backend
1959   tpm             TPM support
1960   libssh          ssh block device support
1961   numa            libnuma support
1962   libxml2         for Parallels image format
1963   tcmalloc        tcmalloc support
1964   jemalloc        jemalloc support
1965   avx2            AVX2 optimization support
1966   avx512f         AVX512F optimization support
1967   replication     replication support
1968   opengl          opengl support
1969   virglrenderer   virgl rendering support
1970   xfsctl          xfsctl support
1971   qom-cast-debug  cast debugging support
1972   tools           build qemu-io, qemu-nbd and qemu-img tools
1973   bochs           bochs image format support
1974   cloop           cloop image format support
1975   dmg             dmg image format support
1976   qcow1           qcow v1 image format support
1977   vdi             vdi image format support
1978   vvfat           vvfat image format support
1979   qed             qed image format support
1980   parallels       parallels image format support
1981   sheepdog        sheepdog block driver support
1982   crypto-afalg    Linux AF_ALG crypto backend driver
1983   capstone        capstone disassembler support
1984   debug-mutex     mutex debugging support
1985   libpmem         libpmem support
1986   xkbcommon       xkbcommon support
1987   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1988   libdaxctl       libdaxctl support
1989
1990 NOTE: The object files are built at the place where configure is launched
1991 EOF
1992 exit 0
1993 fi
1994
1995 # Remove old dependency files to make sure that they get properly regenerated
1996 rm -f */config-devices.mak.d
1997
1998 # Remove syscall_nr.h to be sure they will be regenerated in the build
1999 # directory, not in the source directory
2000 for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
2001     i386 x86_64 mips mips64 ; do
2002     # remove the file if it has been generated in the source directory
2003     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
2004     # remove the dependency files
2005     for target in ${arch}*-linux-user ; do
2006         test -d "${target}" && find "${target}" -type f -name "*.d" \
2007              -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
2008              -print | while read file ; do rm "${file}" "${file%.d}.o" ; done
2009     done
2010 done
2011
2012 if test -z "$python"
2013 then
2014     error_exit "Python not found. Use --python=/path/to/python"
2015 fi
2016
2017 # Note that if the Python conditional here evaluates True we will exit
2018 # with status 1 which is a shell 'false' value.
2019 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2020   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2021       "Use --python=/path/to/python to specify a supported Python."
2022 fi
2023
2024 # Preserve python version since some functionality is dependent on it
2025 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)
2026
2027 # Suppress writing compiled files
2028 python="$python -B"
2029
2030 if test -z "$meson"; then
2031     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then
2032         meson=meson
2033     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2034         meson=git
2035     elif test -e "${source_path}/meson/meson.py" ; then
2036         meson=internal
2037     else
2038         if test "$explicit_python" = yes; then
2039             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2040         else
2041             error_exit "Meson not found.  Use --meson=/path/to/meson"
2042         fi
2043     fi
2044 else
2045     # Meson uses its own Python interpreter to invoke other Python scripts,
2046     # but the user wants to use the one they specified with --python.
2047     #
2048     # We do not want to override the distro Python interpreter (and sometimes
2049     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2050     # just require --meson=git|internal together with --python.
2051     if test "$explicit_python" = yes; then
2052         case "$meson" in
2053             git | internal) ;;
2054             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2055         esac
2056     fi
2057 fi
2058
2059 if test "$meson" = git; then
2060     git_submodules="${git_submodules} meson"
2061 fi
2062 if test "$git_update" = yes; then
2063     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2064 fi
2065
2066 case "$meson" in
2067     git | internal)
2068         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2069             error_exit "Python setuptools not found"
2070         fi
2071         meson="$python ${source_path}/meson/meson.py"
2072         ;;
2073     *) meson=$(command -v meson) ;;
2074 esac
2075
2076
2077 # Check that the C compiler works. Doing this here before testing
2078 # the host CPU ensures that we had a valid CC to autodetect the
2079 # $cpu var (and we should bail right here if that's not the case).
2080 # It also allows the help message to be printed without a CC.
2081 write_c_skeleton;
2082 if compile_object ; then
2083   : C compiler works ok
2084 else
2085     error_exit "\"$cc\" either does not exist or does not work"
2086 fi
2087 if ! compile_prog ; then
2088     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2089 fi
2090
2091 # Now we have handled --enable-tcg-interpreter and know we're not just
2092 # printing the help message, bail out if the host CPU isn't supported.
2093 if test "$ARCH" = "unknown"; then
2094     if test "$tcg_interpreter" = "yes" ; then
2095         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2096     else
2097         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2098     fi
2099 fi
2100
2101 # Consult white-list to determine whether to enable werror
2102 # by default.  Only enable by default for git builds
2103 if test -z "$werror" ; then
2104     if test -e "$source_path/.git" && \
2105         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2106         werror="yes"
2107     else
2108         werror="no"
2109     fi
2110 fi
2111
2112 if test "$bogus_os" = "yes"; then
2113     # Now that we know that we're not printing the help and that
2114     # the compiler works (so the results of the check_defines we used
2115     # to identify the OS are reliable), if we didn't recognize the
2116     # host OS we should stop now.
2117     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2118 fi
2119
2120 # Check whether the compiler matches our minimum requirements:
2121 cat > $TMPC << EOF
2122 #if defined(__clang_major__) && defined(__clang_minor__)
2123 # ifdef __apple_build_version__
2124 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2125 #   error You need at least XCode Clang v5.1 to compile QEMU
2126 #  endif
2127 # else
2128 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2129 #   error You need at least Clang v3.4 to compile QEMU
2130 #  endif
2131 # endif
2132 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2133 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2134 #  error You need at least GCC v4.8 to compile QEMU
2135 # endif
2136 #else
2137 # error You either need GCC or Clang to compiler QEMU
2138 #endif
2139 int main (void) { return 0; }
2140 EOF
2141 if ! compile_prog "" "" ; then
2142     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2143 fi
2144
2145 # Accumulate -Wfoo and -Wno-bar separately.
2146 # We will list all of the enable flags first, and the disable flags second.
2147 # Note that we do not add -Werror, because that would enable it for all
2148 # configure tests. If a configure test failed due to -Werror this would
2149 # just silently disable some features, so it's too error prone.
2150
2151 warn_flags=
2152 add_to warn_flags -Wold-style-declaration
2153 add_to warn_flags -Wold-style-definition
2154 add_to warn_flags -Wtype-limits
2155 add_to warn_flags -Wformat-security
2156 add_to warn_flags -Wformat-y2k
2157 add_to warn_flags -Winit-self
2158 add_to warn_flags -Wignored-qualifiers
2159 add_to warn_flags -Wempty-body
2160 add_to warn_flags -Wnested-externs
2161 add_to warn_flags -Wendif-labels
2162 add_to warn_flags -Wexpansion-to-defined
2163
2164 nowarn_flags=
2165 add_to nowarn_flags -Wno-initializer-overrides
2166 add_to nowarn_flags -Wno-missing-include-dirs
2167 add_to nowarn_flags -Wno-shift-negative-value
2168 add_to nowarn_flags -Wno-string-plus-int
2169 add_to nowarn_flags -Wno-typedef-redefinition
2170 add_to nowarn_flags -Wno-tautological-type-limit-compare
2171 add_to nowarn_flags -Wno-psabi
2172
2173 gcc_flags="$warn_flags $nowarn_flags"
2174
2175 cc_has_warning_flag() {
2176     write_c_skeleton;
2177
2178     # Use the positive sense of the flag when testing for -Wno-wombat
2179     # support (gcc will happily accept the -Wno- form of unknown
2180     # warning options).
2181     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2182     compile_prog "-Werror $optflag" ""
2183 }
2184
2185 for flag in $gcc_flags; do
2186     if cc_has_warning_flag $flag ; then
2187         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2188     fi
2189 done
2190
2191 if test "$stack_protector" != "no"; then
2192   cat > $TMPC << EOF
2193 int main(int argc, char *argv[])
2194 {
2195     char arr[64], *p = arr, *c = argv[0];
2196     while (*c) {
2197         *p++ = *c++;
2198     }
2199     return 0;
2200 }
2201 EOF
2202   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2203   sp_on=0
2204   for flag in $gcc_flags; do
2205     # We need to check both a compile and a link, since some compiler
2206     # setups fail only on a .c->.o compile and some only at link time
2207     if compile_object "-Werror $flag" &&
2208        compile_prog "-Werror $flag" ""; then
2209       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2210       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2211       sp_on=1
2212       break
2213     fi
2214   done
2215   if test "$stack_protector" = yes; then
2216     if test $sp_on = 0; then
2217       error_exit "Stack protector not supported"
2218     fi
2219   fi
2220 fi
2221
2222 # Disable -Wmissing-braces on older compilers that warn even for
2223 # the "universal" C zero initializer {0}.
2224 cat > $TMPC << EOF
2225 struct {
2226   int a[2];
2227 } x = {0};
2228 EOF
2229 if compile_object "-Werror" "" ; then
2230   :
2231 else
2232   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2233 fi
2234
2235 # Our module code doesn't support Windows
2236 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2237   error_exit "Modules are not available for Windows"
2238 fi
2239
2240 # module_upgrades is only reasonable if modules are enabled
2241 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2242   error_exit "Can't enable module-upgrades as Modules are not enabled"
2243 fi
2244
2245 # Static linking is not possible with modules or PIE
2246 if test "$static" = "yes" ; then
2247   if test "$modules" = "yes" ; then
2248     error_exit "static and modules are mutually incompatible"
2249   fi
2250 fi
2251
2252 # Unconditional check for compiler __thread support
2253   cat > $TMPC << EOF
2254 static __thread int tls_var;
2255 int main(void) { return tls_var; }
2256 EOF
2257
2258 if ! compile_prog "-Werror" "" ; then
2259     error_exit "Your compiler does not support the __thread specifier for " \
2260         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2261 fi
2262
2263 cat > $TMPC << EOF
2264
2265 #ifdef __linux__
2266 #  define THREAD __thread
2267 #else
2268 #  define THREAD
2269 #endif
2270 static THREAD int tls_var;
2271 int main(void) { return tls_var; }
2272 EOF
2273
2274 # Check we support --no-pie first; we will need this for building ROMs.
2275 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2276   CFLAGS_NOPIE="-fno-pie"
2277   LDFLAGS_NOPIE="-no-pie"
2278 fi
2279
2280 if test "$static" = "yes"; then
2281   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2282     CFLAGS="-fPIE -DPIE $CFLAGS"
2283     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2284     pie="yes"
2285   elif test "$pie" = "yes"; then
2286     error_exit "-static-pie not available due to missing toolchain support"
2287   else
2288     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2289     pie="no"
2290   fi
2291 elif test "$pie" = "no"; then
2292   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2293   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2294 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2295   CFLAGS="-fPIE -DPIE $CFLAGS"
2296   LDFLAGS="-pie $LDFLAGS"
2297   pie="yes"
2298 elif test "$pie" = "yes"; then
2299   error_exit "PIE not available due to missing toolchain support"
2300 else
2301   echo "Disabling PIE due to missing toolchain support"
2302   pie="no"
2303 fi
2304
2305 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2306 # The combination is known as "full relro", because .got.plt is read-only too.
2307 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2308   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2309 fi
2310
2311 ##########################################
2312 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2313 # use i686 as default anyway, but for those that don't, an explicit
2314 # specification is necessary
2315
2316 if test "$cpu" = "i386"; then
2317   cat > $TMPC << EOF
2318 static int sfaa(int *ptr)
2319 {
2320   return __sync_fetch_and_and(ptr, 0);
2321 }
2322
2323 int main(void)
2324 {
2325   int val = 42;
2326   val = __sync_val_compare_and_swap(&val, 0, 1);
2327   sfaa(&val);
2328   return val;
2329 }
2330 EOF
2331   if ! compile_prog "" "" ; then
2332     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2333   fi
2334 fi
2335
2336 #########################################
2337 # Solaris specific configure tool chain decisions
2338
2339 if test "$solaris" = "yes" ; then
2340   if has $install; then
2341     :
2342   else
2343     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2344         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2345         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2346   fi
2347   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2348     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2349         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2350         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2351   fi
2352   if has ar; then
2353     :
2354   else
2355     if test -f /usr/ccs/bin/ar ; then
2356       error_exit "No path includes ar" \
2357           "Add /usr/ccs/bin to your path and rerun configure"
2358     fi
2359     error_exit "No path includes ar"
2360   fi
2361 fi
2362
2363 if test -z "${target_list+xxx}" ; then
2364     for target in $default_target_list; do
2365         supported_target $target 2>/dev/null && \
2366             target_list="$target_list $target"
2367     done
2368     target_list="${target_list# }"
2369 else
2370     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2371     for target in $target_list; do
2372         # Check that we recognised the target name; this allows a more
2373         # friendly error message than if we let it fall through.
2374         case " $default_target_list " in
2375             *" $target "*)
2376                 ;;
2377             *)
2378                 error_exit "Unknown target name '$target'"
2379                 ;;
2380         esac
2381         supported_target $target || exit 1
2382     done
2383 fi
2384
2385 # see if system emulation was really requested
2386 case " $target_list " in
2387   *"-softmmu "*) softmmu=yes
2388   ;;
2389   *) softmmu=no
2390   ;;
2391 esac
2392
2393 for target in $target_list; do
2394   case "$target" in
2395     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2396       edk2_blobs="yes"
2397       ;;
2398   esac
2399 done
2400 # The EDK2 binaries are compressed with bzip2
2401 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2402   error_exit "The bzip2 program is required for building QEMU"
2403 fi
2404
2405 feature_not_found() {
2406   feature=$1
2407   remedy=$2
2408
2409   error_exit "User requested feature $feature" \
2410       "configure was not able to find it." \
2411       "$remedy"
2412 }
2413
2414 # ---
2415 # big/little endian test
2416 cat > $TMPC << EOF
2417 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2418 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2419 extern int foo(short *, short *);
2420 int main(int argc, char *argv[]) {
2421     return foo(big_endian, little_endian);
2422 }
2423 EOF
2424
2425 if compile_object ; then
2426     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2427         bigendian="yes"
2428     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2429         bigendian="no"
2430     else
2431         echo big/little test failed
2432     fi
2433 else
2434     echo big/little test failed
2435 fi
2436
2437 ##########################################
2438 # system tools
2439 if test -z "$want_tools"; then
2440     if test "$softmmu" = "no"; then
2441         want_tools=no
2442     else
2443         want_tools=yes
2444     fi
2445 fi
2446
2447 ##########################################
2448 # cocoa implies not SDL or GTK
2449 # (the cocoa UI code currently assumes it is always the active UI
2450 # and doesn't interact well with other UI frontend code)
2451 if test "$cocoa" = "yes"; then
2452     if test "$sdl" = "yes"; then
2453         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2454     fi
2455     if test "$gtk" = "yes"; then
2456         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2457     fi
2458     gtk=no
2459     sdl=no
2460 fi
2461
2462 # Some versions of Mac OS X incorrectly define SIZE_MAX
2463 cat > $TMPC << EOF
2464 #include <stdint.h>
2465 #include <stdio.h>
2466 int main(int argc, char *argv[]) {
2467     return printf("%zu", SIZE_MAX);
2468 }
2469 EOF
2470 have_broken_size_max=no
2471 if ! compile_object -Werror ; then
2472     have_broken_size_max=yes
2473 fi
2474
2475 ##########################################
2476 # L2TPV3 probe
2477
2478 cat > $TMPC <<EOF
2479 #include <sys/socket.h>
2480 #include <linux/ip.h>
2481 int main(void) { return sizeof(struct mmsghdr); }
2482 EOF
2483 if compile_prog "" "" ; then
2484   l2tpv3=yes
2485 else
2486   l2tpv3=no
2487 fi
2488
2489 if check_include "pty.h" ; then
2490   pty_h=yes
2491 else
2492   pty_h=no
2493 fi
2494
2495 cat > $TMPC <<EOF
2496 #include <sys/mman.h>
2497 int main(int argc, char *argv[]) {
2498     return mlockall(MCL_FUTURE);
2499 }
2500 EOF
2501 if compile_prog "" "" ; then
2502   have_mlockall=yes
2503 else
2504   have_mlockall=no
2505 fi
2506
2507 #########################################
2508 # vhost interdependencies and host support
2509
2510 # vhost backends
2511 test "$vhost_user" = "" && vhost_user=yes
2512 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2513   error_exit "vhost-user isn't available on win32"
2514 fi
2515 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2516 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2517   error_exit "vhost-vdpa is only available on Linux"
2518 fi
2519 test "$vhost_kernel" = "" && vhost_kernel=$linux
2520 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2521   error_exit "vhost-kernel is only available on Linux"
2522 fi
2523
2524 # vhost-kernel devices
2525 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2526 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2527   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2528 fi
2529 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2530 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2531   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2532 fi
2533
2534 # vhost-user backends
2535 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2536 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2537   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2538 fi
2539 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2540 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2541   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2542 fi
2543 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2544 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2545   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2546 fi
2547 #vhost-vdpa backends
2548 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2549 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2550   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2551 fi
2552
2553 # OR the vhost-kernel and vhost-user values for simplicity
2554 if test "$vhost_net" = ""; then
2555   test "$vhost_net_user" = "yes" && vhost_net=yes
2556   test "$vhost_kernel" = "yes" && vhost_net=yes
2557 fi
2558
2559 ##########################################
2560 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2561
2562 if test "$mingw32" = "yes"; then
2563     # Some versions of MinGW / Mingw-w64 lack localtime_r
2564     # and gmtime_r entirely.
2565     #
2566     # Some versions of Mingw-w64 define a macro for
2567     # localtime_r/gmtime_r.
2568     #
2569     # Some versions of Mingw-w64 will define functions
2570     # for localtime_r/gmtime_r, but only if you have
2571     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2572     # though, unistd.h and pthread.h both define
2573     # that for you.
2574     #
2575     # So this #undef localtime_r and #include <unistd.h>
2576     # are not in fact redundant.
2577 cat > $TMPC << EOF
2578 #include <unistd.h>
2579 #include <time.h>
2580 #undef localtime_r
2581 int main(void) { localtime_r(NULL, NULL); return 0; }
2582 EOF
2583     if compile_prog "" "" ; then
2584         localtime_r="yes"
2585     else
2586         localtime_r="no"
2587     fi
2588 fi
2589
2590 ##########################################
2591 # pkg-config probe
2592
2593 if ! has "$pkg_config_exe"; then
2594   error_exit "pkg-config binary '$pkg_config_exe' not found"
2595 fi
2596
2597 ##########################################
2598 # NPTL probe
2599
2600 if test "$linux_user" = "yes"; then
2601   cat > $TMPC <<EOF
2602 #include <sched.h>
2603 #include <linux/futex.h>
2604 int main(void) {
2605 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2606 #error bork
2607 #endif
2608   return 0;
2609 }
2610 EOF
2611   if ! compile_object ; then
2612     feature_not_found "nptl" "Install glibc and linux kernel headers."
2613   fi
2614 fi
2615
2616 ##########################################
2617 # lzo check
2618
2619 if test "$lzo" != "no" ; then
2620     cat > $TMPC << EOF
2621 #include <lzo/lzo1x.h>
2622 int main(void) { lzo_version(); return 0; }
2623 EOF
2624     if compile_prog "" "-llzo2" ; then
2625         libs_softmmu="$libs_softmmu -llzo2"
2626         lzo="yes"
2627     else
2628         if test "$lzo" = "yes"; then
2629             feature_not_found "liblzo2" "Install liblzo2 devel"
2630         fi
2631         lzo="no"
2632     fi
2633 fi
2634
2635 ##########################################
2636 # snappy check
2637
2638 if test "$snappy" != "no" ; then
2639     cat > $TMPC << EOF
2640 #include <snappy-c.h>
2641 int main(void) { snappy_max_compressed_length(4096); return 0; }
2642 EOF
2643     if compile_prog "" "-lsnappy" ; then
2644         libs_softmmu="$libs_softmmu -lsnappy"
2645         snappy="yes"
2646     else
2647         if test "$snappy" = "yes"; then
2648             feature_not_found "libsnappy" "Install libsnappy devel"
2649         fi
2650         snappy="no"
2651     fi
2652 fi
2653
2654 ##########################################
2655 # bzip2 check
2656
2657 if test "$bzip2" != "no" ; then
2658     cat > $TMPC << EOF
2659 #include <bzlib.h>
2660 int main(void) { BZ2_bzlibVersion(); return 0; }
2661 EOF
2662     if compile_prog "" "-lbz2" ; then
2663         bzip2="yes"
2664     else
2665         if test "$bzip2" = "yes"; then
2666             feature_not_found "libbzip2" "Install libbzip2 devel"
2667         fi
2668         bzip2="no"
2669     fi
2670 fi
2671
2672 ##########################################
2673 # lzfse check
2674
2675 if test "$lzfse" != "no" ; then
2676     cat > $TMPC << EOF
2677 #include <lzfse.h>
2678 int main(void) { lzfse_decode_scratch_size(); return 0; }
2679 EOF
2680     if compile_prog "" "-llzfse" ; then
2681         lzfse="yes"
2682     else
2683         if test "$lzfse" = "yes"; then
2684             feature_not_found "lzfse" "Install lzfse devel"
2685         fi
2686         lzfse="no"
2687     fi
2688 fi
2689
2690 ##########################################
2691 # zstd check
2692
2693 if test "$zstd" != "no" ; then
2694     libzstd_minver="1.4.0"
2695     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2696         zstd_cflags="$($pkg_config --cflags libzstd)"
2697         zstd_libs="$($pkg_config --libs libzstd)"
2698         LIBS="$zstd_libs $LIBS"
2699         QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2700         zstd="yes"
2701     else
2702         if test "$zstd" = "yes" ; then
2703             feature_not_found "libzstd" "Install libzstd devel"
2704         fi
2705         zstd="no"
2706     fi
2707 fi
2708
2709 ##########################################
2710 # libseccomp check
2711
2712 if test "$seccomp" != "no" ; then
2713     libseccomp_minver="2.3.0"
2714     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2715         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2716         seccomp_libs="$($pkg_config --libs libseccomp)"
2717         seccomp="yes"
2718     else
2719         if test "$seccomp" = "yes" ; then
2720             feature_not_found "libseccomp" \
2721                  "Install libseccomp devel >= $libseccomp_minver"
2722         fi
2723         seccomp="no"
2724     fi
2725 fi
2726 ##########################################
2727 # xen probe
2728
2729 if test "$xen" != "no" ; then
2730   # Check whether Xen library path is specified via --extra-ldflags to avoid
2731   # overriding this setting with pkg-config output. If not, try pkg-config
2732   # to obtain all needed flags.
2733
2734   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2735      $pkg_config --exists xencontrol ; then
2736     xen_ctrl_version="$(printf '%d%02d%02d' \
2737       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2738     xen=yes
2739     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2740     xen_pc="$xen_pc xenevtchn xendevicemodel"
2741     if $pkg_config --exists xentoolcore; then
2742       xen_pc="$xen_pc xentoolcore"
2743     fi
2744     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2745     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2746   else
2747
2748     xen_libs="-lxenstore -lxenctrl -lxenguest"
2749     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2750
2751     # First we test whether Xen headers and libraries are available.
2752     # If no, we are done and there is no Xen support.
2753     # If yes, more tests are run to detect the Xen version.
2754
2755     # Xen (any)
2756     cat > $TMPC <<EOF
2757 #include <xenctrl.h>
2758 int main(void) {
2759   return 0;
2760 }
2761 EOF
2762     if ! compile_prog "" "$xen_libs" ; then
2763       # Xen not found
2764       if test "$xen" = "yes" ; then
2765         feature_not_found "xen" "Install xen devel"
2766       fi
2767       xen=no
2768
2769     # Xen unstable
2770     elif
2771         cat > $TMPC <<EOF &&
2772 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2773 #define __XEN_TOOLS__
2774 #include <xendevicemodel.h>
2775 #include <xenforeignmemory.h>
2776 int main(void) {
2777   xendevicemodel_handle *xd;
2778   xenforeignmemory_handle *xfmem;
2779
2780   xd = xendevicemodel_open(0, 0);
2781   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2782
2783   xfmem = xenforeignmemory_open(0, 0);
2784   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2785
2786   return 0;
2787 }
2788 EOF
2789         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2790       then
2791       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2792       xen_ctrl_version=41100
2793       xen=yes
2794     elif
2795         cat > $TMPC <<EOF &&
2796 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2797 #include <xenforeignmemory.h>
2798 #include <xentoolcore.h>
2799 int main(void) {
2800   xenforeignmemory_handle *xfmem;
2801
2802   xfmem = xenforeignmemory_open(0, 0);
2803   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2804   xentoolcore_restrict_all(0);
2805
2806   return 0;
2807 }
2808 EOF
2809         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2810       then
2811       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2812       xen_ctrl_version=41000
2813       xen=yes
2814     elif
2815         cat > $TMPC <<EOF &&
2816 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2817 #define __XEN_TOOLS__
2818 #include <xendevicemodel.h>
2819 int main(void) {
2820   xendevicemodel_handle *xd;
2821
2822   xd = xendevicemodel_open(0, 0);
2823   xendevicemodel_close(xd);
2824
2825   return 0;
2826 }
2827 EOF
2828         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2829       then
2830       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2831       xen_ctrl_version=40900
2832       xen=yes
2833     elif
2834         cat > $TMPC <<EOF &&
2835 /*
2836  * If we have stable libs the we don't want the libxc compat
2837  * layers, regardless of what CFLAGS we may have been given.
2838  *
2839  * Also, check if xengnttab_grant_copy_segment_t is defined and
2840  * grant copy operation is implemented.
2841  */
2842 #undef XC_WANT_COMPAT_EVTCHN_API
2843 #undef XC_WANT_COMPAT_GNTTAB_API
2844 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2845 #include <xenctrl.h>
2846 #include <xenstore.h>
2847 #include <xenevtchn.h>
2848 #include <xengnttab.h>
2849 #include <xenforeignmemory.h>
2850 #include <stdint.h>
2851 #include <xen/hvm/hvm_info_table.h>
2852 #if !defined(HVM_MAX_VCPUS)
2853 # error HVM_MAX_VCPUS not defined
2854 #endif
2855 int main(void) {
2856   xc_interface *xc = NULL;
2857   xenforeignmemory_handle *xfmem;
2858   xenevtchn_handle *xe;
2859   xengnttab_handle *xg;
2860   xengnttab_grant_copy_segment_t* seg = NULL;
2861
2862   xs_daemon_open();
2863
2864   xc = xc_interface_open(0, 0, 0);
2865   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2866   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2867   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2868   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2869
2870   xfmem = xenforeignmemory_open(0, 0);
2871   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2872
2873   xe = xenevtchn_open(0, 0);
2874   xenevtchn_fd(xe);
2875
2876   xg = xengnttab_open(0, 0);
2877   xengnttab_grant_copy(xg, 0, seg);
2878
2879   return 0;
2880 }
2881 EOF
2882         compile_prog "" "$xen_libs $xen_stable_libs"
2883       then
2884       xen_ctrl_version=40800
2885       xen=yes
2886     elif
2887         cat > $TMPC <<EOF &&
2888 /*
2889  * If we have stable libs the we don't want the libxc compat
2890  * layers, regardless of what CFLAGS we may have been given.
2891  */
2892 #undef XC_WANT_COMPAT_EVTCHN_API
2893 #undef XC_WANT_COMPAT_GNTTAB_API
2894 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2895 #include <xenctrl.h>
2896 #include <xenstore.h>
2897 #include <xenevtchn.h>
2898 #include <xengnttab.h>
2899 #include <xenforeignmemory.h>
2900 #include <stdint.h>
2901 #include <xen/hvm/hvm_info_table.h>
2902 #if !defined(HVM_MAX_VCPUS)
2903 # error HVM_MAX_VCPUS not defined
2904 #endif
2905 int main(void) {
2906   xc_interface *xc = NULL;
2907   xenforeignmemory_handle *xfmem;
2908   xenevtchn_handle *xe;
2909   xengnttab_handle *xg;
2910
2911   xs_daemon_open();
2912
2913   xc = xc_interface_open(0, 0, 0);
2914   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2915   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2916   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2917   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2918
2919   xfmem = xenforeignmemory_open(0, 0);
2920   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2921
2922   xe = xenevtchn_open(0, 0);
2923   xenevtchn_fd(xe);
2924
2925   xg = xengnttab_open(0, 0);
2926   xengnttab_map_grant_ref(xg, 0, 0, 0);
2927
2928   return 0;
2929 }
2930 EOF
2931         compile_prog "" "$xen_libs $xen_stable_libs"
2932       then
2933       xen_ctrl_version=40701
2934       xen=yes
2935
2936     # Xen 4.6
2937     elif
2938         cat > $TMPC <<EOF &&
2939 #include <xenctrl.h>
2940 #include <xenstore.h>
2941 #include <stdint.h>
2942 #include <xen/hvm/hvm_info_table.h>
2943 #if !defined(HVM_MAX_VCPUS)
2944 # error HVM_MAX_VCPUS not defined
2945 #endif
2946 int main(void) {
2947   xc_interface *xc;
2948   xs_daemon_open();
2949   xc = xc_interface_open(0, 0, 0);
2950   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2951   xc_gnttab_open(NULL, 0);
2952   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2953   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2954   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2955   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2956   return 0;
2957 }
2958 EOF
2959         compile_prog "" "$xen_libs"
2960       then
2961       xen_ctrl_version=40600
2962       xen=yes
2963
2964     # Xen 4.5
2965     elif
2966         cat > $TMPC <<EOF &&
2967 #include <xenctrl.h>
2968 #include <xenstore.h>
2969 #include <stdint.h>
2970 #include <xen/hvm/hvm_info_table.h>
2971 #if !defined(HVM_MAX_VCPUS)
2972 # error HVM_MAX_VCPUS not defined
2973 #endif
2974 int main(void) {
2975   xc_interface *xc;
2976   xs_daemon_open();
2977   xc = xc_interface_open(0, 0, 0);
2978   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2979   xc_gnttab_open(NULL, 0);
2980   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2981   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2982   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2983   return 0;
2984 }
2985 EOF
2986         compile_prog "" "$xen_libs"
2987       then
2988       xen_ctrl_version=40500
2989       xen=yes
2990
2991     elif
2992         cat > $TMPC <<EOF &&
2993 #include <xenctrl.h>
2994 #include <xenstore.h>
2995 #include <stdint.h>
2996 #include <xen/hvm/hvm_info_table.h>
2997 #if !defined(HVM_MAX_VCPUS)
2998 # error HVM_MAX_VCPUS not defined
2999 #endif
3000 int main(void) {
3001   xc_interface *xc;
3002   xs_daemon_open();
3003   xc = xc_interface_open(0, 0, 0);
3004   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3005   xc_gnttab_open(NULL, 0);
3006   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3007   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3008   return 0;
3009 }
3010 EOF
3011         compile_prog "" "$xen_libs"
3012       then
3013       xen_ctrl_version=40200
3014       xen=yes
3015
3016     else
3017       if test "$xen" = "yes" ; then
3018         feature_not_found "xen (unsupported version)" \
3019                           "Install a supported xen (xen 4.2 or newer)"
3020       fi
3021       xen=no
3022     fi
3023
3024     if test "$xen" = yes; then
3025       if test $xen_ctrl_version -ge 40701  ; then
3026         libs_softmmu="$xen_stable_libs $libs_softmmu"
3027       fi
3028       libs_softmmu="$xen_libs $libs_softmmu"
3029     fi
3030   fi
3031 fi
3032
3033 if test "$xen_pci_passthrough" != "no"; then
3034   if test "$xen" = "yes" && test "$linux" = "yes"; then
3035     xen_pci_passthrough=yes
3036   else
3037     if test "$xen_pci_passthrough" = "yes"; then
3038       error_exit "User requested feature Xen PCI Passthrough" \
3039           " but this feature requires /sys from Linux"
3040     fi
3041     xen_pci_passthrough=no
3042   fi
3043 fi
3044
3045 ##########################################
3046 # Windows Hypervisor Platform accelerator (WHPX) check
3047 if test "$whpx" != "no" ; then
3048     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3049         whpx="yes"
3050     else
3051         if test "$whpx" = "yes"; then
3052             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3053         fi
3054         whpx="no"
3055     fi
3056 fi
3057
3058 ##########################################
3059 # Sparse probe
3060 if test "$sparse" != "no" ; then
3061   if has sparse; then
3062     sparse=yes
3063   else
3064     if test "$sparse" = "yes" ; then
3065       feature_not_found "sparse" "Install sparse binary"
3066     fi
3067     sparse=no
3068   fi
3069 fi
3070
3071 ##########################################
3072 # X11 probe
3073 if $pkg_config --exists "x11"; then
3074     have_x11=yes
3075     x11_cflags=$($pkg_config --cflags x11)
3076     x11_libs=$($pkg_config --libs x11)
3077 fi
3078
3079 ##########################################
3080 # GTK probe
3081
3082 if test "$gtk" != "no"; then
3083     gtkpackage="gtk+-3.0"
3084     gtkx11package="gtk+-x11-3.0"
3085     gtkversion="3.22.0"
3086     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3087         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3088         gtk_libs=$($pkg_config --libs $gtkpackage)
3089         gtk_version=$($pkg_config --modversion $gtkpackage)
3090         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3091             need_x11=yes
3092             gtk_cflags="$gtk_cflags $x11_cflags"
3093             gtk_libs="$gtk_libs $x11_libs"
3094         fi
3095         gtk="yes"
3096     elif test "$gtk" = "yes"; then
3097         feature_not_found "gtk" "Install gtk3-devel"
3098     else
3099         gtk="no"
3100     fi
3101 fi
3102
3103
3104 ##########################################
3105 # GNUTLS probe
3106
3107 if test "$gnutls" != "no"; then
3108     pass="no"
3109     if $pkg_config --exists "gnutls >= 3.1.18"; then
3110         gnutls_cflags=$($pkg_config --cflags gnutls)
3111         gnutls_libs=$($pkg_config --libs gnutls)
3112         # Packaging for the static libraries is not always correct.
3113         # At least ubuntu 18.04 ships only shared libraries.
3114         write_c_skeleton
3115         if compile_prog "" "$gnutls_libs" ; then
3116             LIBS="$gnutls_libs $LIBS"
3117             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3118             pass="yes"
3119         fi
3120     fi
3121     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3122         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3123     else
3124         gnutls="$pass"
3125     fi
3126 fi
3127
3128
3129 # If user didn't give a --disable/enable-gcrypt flag,
3130 # then mark as disabled if user requested nettle
3131 # explicitly
3132 if test -z "$gcrypt"
3133 then
3134     if test "$nettle" = "yes"
3135     then
3136         gcrypt="no"
3137     fi
3138 fi
3139
3140 # If user didn't give a --disable/enable-nettle flag,
3141 # then mark as disabled if user requested gcrypt
3142 # explicitly
3143 if test -z "$nettle"
3144 then
3145     if test "$gcrypt" = "yes"
3146     then
3147         nettle="no"
3148     fi
3149 fi
3150
3151 has_libgcrypt() {
3152     if ! has "libgcrypt-config"
3153     then
3154         return 1
3155     fi
3156
3157     if test -n "$cross_prefix"
3158     then
3159         host=$(libgcrypt-config --host)
3160         if test "$host-" != $cross_prefix
3161         then
3162             return 1
3163         fi
3164     fi
3165
3166     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3167     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3168
3169     if test $maj != 1 || test $min -lt 5
3170     then
3171        return 1
3172     fi
3173
3174     return 0
3175 }
3176
3177
3178 if test "$nettle" != "no"; then
3179     pass="no"
3180     if $pkg_config --exists "nettle >= 2.7.1"; then
3181         nettle_cflags=$($pkg_config --cflags nettle)
3182         nettle_libs=$($pkg_config --libs nettle)
3183         nettle_version=$($pkg_config --modversion nettle)
3184         # Link test to make sure the given libraries work (e.g for static).
3185         write_c_skeleton
3186         if compile_prog "" "$nettle_libs" ; then
3187             LIBS="$nettle_libs $LIBS"
3188             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3189             if test -z "$gcrypt"; then
3190                gcrypt="no"
3191             fi
3192             pass="yes"
3193         fi
3194     fi
3195     if test "$pass" = "yes"
3196     then
3197         cat > $TMPC << EOF
3198 #include <nettle/xts.h>
3199 int main(void) {
3200   return 0;
3201 }
3202 EOF
3203         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3204             nettle_xts=yes
3205             qemu_private_xts=no
3206         fi
3207     fi
3208     if test "$pass" = "no" && test "$nettle" = "yes"; then
3209         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3210     else
3211         nettle="$pass"
3212     fi
3213 fi
3214
3215 if test "$gcrypt" != "no"; then
3216     pass="no"
3217     if has_libgcrypt; then
3218         gcrypt_cflags=$(libgcrypt-config --cflags)
3219         gcrypt_libs=$(libgcrypt-config --libs)
3220         # Debian has removed -lgpg-error from libgcrypt-config
3221         # as it "spreads unnecessary dependencies" which in
3222         # turn breaks static builds...
3223         if test "$static" = "yes"
3224         then
3225             gcrypt_libs="$gcrypt_libs -lgpg-error"
3226         fi
3227
3228         # Link test to make sure the given libraries work (e.g for static).
3229         write_c_skeleton
3230         if compile_prog "" "$gcrypt_libs" ; then
3231             LIBS="$gcrypt_libs $LIBS"
3232             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3233             pass="yes"
3234         fi
3235     fi
3236     if test "$pass" = "yes"; then
3237         gcrypt="yes"
3238         cat > $TMPC << EOF
3239 #include <gcrypt.h>
3240 int main(void) {
3241   gcry_mac_hd_t handle;
3242   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3243                 GCRY_MAC_FLAG_SECURE, NULL);
3244   return 0;
3245 }
3246 EOF
3247         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3248             gcrypt_hmac=yes
3249         fi
3250         cat > $TMPC << EOF
3251 #include <gcrypt.h>
3252 int main(void) {
3253   gcry_cipher_hd_t handle;
3254   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3255   return 0;
3256 }
3257 EOF
3258         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3259             gcrypt_xts=yes
3260             qemu_private_xts=no
3261         fi
3262     elif test "$gcrypt" = "yes"; then
3263         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3264     else
3265         gcrypt="no"
3266     fi
3267 fi
3268
3269
3270 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3271 then
3272     error_exit "Only one of gcrypt & nettle can be enabled"
3273 fi
3274
3275 ##########################################
3276 # libtasn1 - only for the TLS creds/session test suite
3277
3278 tasn1=yes
3279 tasn1_cflags=""
3280 tasn1_libs=""
3281 if $pkg_config --exists "libtasn1"; then
3282     tasn1_cflags=$($pkg_config --cflags libtasn1)
3283     tasn1_libs=$($pkg_config --libs libtasn1)
3284 else
3285     tasn1=no
3286 fi
3287
3288
3289 ##########################################
3290 # PAM probe
3291
3292 if test "$auth_pam" != "no"; then
3293     cat > $TMPC <<EOF
3294 #include <security/pam_appl.h>
3295 #include <stdio.h>
3296 int main(void) {
3297    const char *service_name = "qemu";
3298    const char *user = "frank";
3299    const struct pam_conv pam_conv = { 0 };
3300    pam_handle_t *pamh = NULL;
3301    pam_start(service_name, user, &pam_conv, &pamh);
3302    return 0;
3303 }
3304 EOF
3305     if compile_prog "" "-lpam" ; then
3306         auth_pam=yes
3307     else
3308         if test "$auth_pam" = "yes"; then
3309             feature_not_found "PAM" "Install PAM development package"
3310         else
3311             auth_pam=no
3312         fi
3313     fi
3314 fi
3315
3316 ##########################################
3317 # getifaddrs (for tests/test-io-channel-socket )
3318
3319 have_ifaddrs_h=yes
3320 if ! check_include "ifaddrs.h" ; then
3321   have_ifaddrs_h=no
3322 fi
3323
3324 #########################################
3325 # libdrm check
3326 have_drm_h=no
3327 if check_include "libdrm/drm.h" ; then
3328     have_drm_h=yes
3329 fi
3330
3331 #########################################
3332 # sys/signal.h check
3333 have_sys_signal_h=no
3334 if check_include "sys/signal.h" ; then
3335   have_sys_signal_h=yes
3336 fi
3337
3338 ##########################################
3339 # VTE probe
3340
3341 if test "$vte" != "no"; then
3342     vteminversion="0.32.0"
3343     if $pkg_config --exists "vte-2.91"; then
3344       vtepackage="vte-2.91"
3345     else
3346       vtepackage="vte-2.90"
3347     fi
3348     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3349         vte_cflags=$($pkg_config --cflags $vtepackage)
3350         vte_libs=$($pkg_config --libs $vtepackage)
3351         vteversion=$($pkg_config --modversion $vtepackage)
3352         vte="yes"
3353     elif test "$vte" = "yes"; then
3354         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3355     else
3356         vte="no"
3357     fi
3358 fi
3359
3360 ##########################################
3361 # SDL probe
3362
3363 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3364 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3365
3366 sdl_probe ()
3367 {
3368   if $pkg_config sdl2 --exists; then
3369     sdlconfig="$pkg_config sdl2"
3370     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3371   elif has "$sdl2_config"; then
3372     sdlconfig="$sdl2_config"
3373     sdlversion=$($sdlconfig --version)
3374   else
3375     if test "$sdl" = "yes" ; then
3376       feature_not_found "sdl" "Install SDL2-devel"
3377     fi
3378     sdl=no
3379     # no need to do the rest
3380     return
3381   fi
3382   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3383     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3384   fi
3385
3386   cat > $TMPC << EOF
3387 #include <SDL.h>
3388 #undef main /* We don't want SDL to override our main() */
3389 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3390 EOF
3391   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3392   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3393   if test "$static" = "yes" ; then
3394     if $pkg_config sdl2 --exists; then
3395       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3396     else
3397       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3398     fi
3399   else
3400     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3401   fi
3402   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3403     sdl=yes
3404
3405     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3406     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3407       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3408          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3409          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3410       fi
3411       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3412         :
3413       else
3414         sdl=no
3415       fi
3416     fi # static link
3417   else # sdl not found
3418     if test "$sdl" = "yes" ; then
3419       feature_not_found "sdl" "Install SDL2 devel"
3420     fi
3421     sdl=no
3422   fi # sdl compile test
3423 }
3424
3425 sdl_image_probe ()
3426 {
3427     if test "$sdl_image" != "no" ; then
3428         if $pkg_config SDL2_image --exists; then
3429             if test "$static" = "yes"; then
3430                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3431             else
3432                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3433             fi
3434             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3435             sdl_image=yes
3436
3437             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3438             sdl_libs="$sdl_libs $sdl_image_libs"
3439         else
3440             if test "$sdl_image" = "yes" ; then
3441                 feature_not_found "sdl_image" "Install SDL Image devel"
3442             else
3443                 sdl_image=no
3444             fi
3445         fi
3446     fi
3447 }
3448
3449 if test "$sdl" != "no" ; then
3450   sdl_probe
3451 fi
3452
3453 if test "$sdl" = "yes" ; then
3454   sdl_image_probe
3455 else
3456   if test "$sdl_image" = "yes"; then
3457     echo "warning: SDL Image requested, but SDL is not available, disabling"
3458   fi
3459   sdl_image=no
3460 fi
3461
3462 if test "$sdl" = "yes" ; then
3463   cat > $TMPC <<EOF
3464 #include <SDL.h>
3465 #if defined(SDL_VIDEO_DRIVER_X11)
3466 #include <X11/XKBlib.h>
3467 #else
3468 #error No x11 support
3469 #endif
3470 int main(void) { return 0; }
3471 EOF
3472   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3473     need_x11=yes
3474     sdl_cflags="$sdl_cflags $x11_cflags"
3475     sdl_libs="$sdl_libs $x11_libs"
3476   fi
3477 fi
3478
3479 ##########################################
3480 # RDMA needs OpenFabrics libraries
3481 if test "$rdma" != "no" ; then
3482   cat > $TMPC <<EOF
3483 #include <rdma/rdma_cma.h>
3484 int main(void) { return 0; }
3485 EOF
3486   rdma_libs="-lrdmacm -libverbs -libumad"
3487   if compile_prog "" "$rdma_libs" ; then
3488     rdma="yes"
3489     libs_softmmu="$libs_softmmu $rdma_libs"
3490   else
3491     if test "$rdma" = "yes" ; then
3492         error_exit \
3493             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3494             " Your options:" \
3495             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3496             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3497             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3498     fi
3499     rdma="no"
3500   fi
3501 fi
3502
3503 ##########################################
3504 # PVRDMA detection
3505
3506 cat > $TMPC <<EOF &&
3507 #include <sys/mman.h>
3508
3509 int
3510 main(void)
3511 {
3512     char buf = 0;
3513     void *addr = &buf;
3514     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3515
3516     return 0;
3517 }
3518 EOF
3519
3520 if test "$rdma" = "yes" ; then
3521     case "$pvrdma" in
3522     "")
3523         if compile_prog "" ""; then
3524             pvrdma="yes"
3525         else
3526             pvrdma="no"
3527         fi
3528         ;;
3529     "yes")
3530         if ! compile_prog "" ""; then
3531             error_exit "PVRDMA is not supported since mremap is not implemented"
3532         fi
3533         pvrdma="yes"
3534         ;;
3535     "no")
3536         pvrdma="no"
3537         ;;
3538     esac
3539 else
3540     if test "$pvrdma" = "yes" ; then
3541         error_exit "PVRDMA requires rdma suppport"
3542     fi
3543     pvrdma="no"
3544 fi
3545
3546 # Let's see if enhanced reg_mr is supported
3547 if test "$pvrdma" = "yes" ; then
3548
3549 cat > $TMPC <<EOF &&
3550 #include <infiniband/verbs.h>
3551
3552 int
3553 main(void)
3554 {
3555     struct ibv_mr *mr;
3556     struct ibv_pd *pd = NULL;
3557     size_t length = 10;
3558     uint64_t iova = 0;
3559     int access = 0;
3560     void *addr = NULL;
3561
3562     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3563
3564     ibv_dereg_mr(mr);
3565
3566     return 0;
3567 }
3568 EOF
3569     if ! compile_prog "" "-libverbs"; then
3570         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3571     fi
3572 fi
3573
3574 ##########################################
3575 # VNC SASL detection
3576 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3577   cat > $TMPC <<EOF
3578 #include <sasl/sasl.h>
3579 #include <stdio.h>
3580 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3581 EOF
3582   # Assuming Cyrus-SASL installed in /usr prefix
3583   # QEMU defines struct iovec in "qemu/osdep.h",
3584   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3585   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3586   vnc_sasl_libs="-lsasl2"
3587   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3588     vnc_sasl=yes
3589     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3590     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3591   else
3592     if test "$vnc_sasl" = "yes" ; then
3593       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3594     fi
3595     vnc_sasl=no
3596   fi
3597 fi
3598
3599 ##########################################
3600 # VNC JPEG detection
3601 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3602 cat > $TMPC <<EOF
3603 #include <stdio.h>
3604 #include <jpeglib.h>
3605 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3606 EOF
3607     vnc_jpeg_cflags=""
3608     vnc_jpeg_libs="-ljpeg"
3609   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3610     vnc_jpeg=yes
3611     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3612     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3613   else
3614     if test "$vnc_jpeg" = "yes" ; then
3615       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3616     fi
3617     vnc_jpeg=no
3618   fi
3619 fi
3620
3621 ##########################################
3622 # VNC PNG detection
3623 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3624 cat > $TMPC <<EOF
3625 //#include <stdio.h>
3626 #include <png.h>
3627 #include <stddef.h>
3628 int main(void) {
3629     png_structp png_ptr;
3630     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3631     return png_ptr != 0;
3632 }
3633 EOF
3634   if $pkg_config libpng --exists; then
3635     vnc_png_cflags=$($pkg_config libpng --cflags)
3636     vnc_png_libs=$($pkg_config libpng --libs)
3637   else
3638     vnc_png_cflags=""
3639     vnc_png_libs="-lpng"
3640   fi
3641   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3642     vnc_png=yes
3643     libs_softmmu="$vnc_png_libs $libs_softmmu"
3644     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3645   else
3646     if test "$vnc_png" = "yes" ; then
3647       feature_not_found "vnc-png" "Install libpng devel"
3648     fi
3649     vnc_png=no
3650   fi
3651 fi
3652
3653 ##########################################
3654 # xkbcommon probe
3655 if test "$xkbcommon" != "no" ; then
3656   if $pkg_config xkbcommon --exists; then
3657     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3658     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3659     xkbcommon=yes
3660   else
3661     if test "$xkbcommon" = "yes" ; then
3662       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3663     fi
3664     xkbcommon=no
3665   fi
3666 fi
3667
3668
3669 ##########################################
3670 # xfsctl() probe, used for file-posix.c
3671 if test "$xfs" != "no" ; then
3672   cat > $TMPC << EOF
3673 #include <stddef.h>  /* NULL */
3674 #include <xfs/xfs.h>
3675 int main(void)
3676 {
3677     xfsctl(NULL, 0, 0, NULL);
3678     return 0;
3679 }
3680 EOF
3681   if compile_prog "" "" ; then
3682     xfs="yes"
3683   else
3684     if test "$xfs" = "yes" ; then
3685       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3686     fi
3687     xfs=no
3688   fi
3689 fi
3690
3691 ##########################################
3692 # vde libraries probe
3693 if test "$vde" != "no" ; then
3694   vde_libs="-lvdeplug"
3695   cat > $TMPC << EOF
3696 #include <libvdeplug.h>
3697 int main(void)
3698 {
3699     struct vde_open_args a = {0, 0, 0};
3700     char s[] = "";
3701     vde_open(s, s, &a);
3702     return 0;
3703 }
3704 EOF
3705   if compile_prog "" "$vde_libs" ; then
3706     vde=yes
3707   else
3708     if test "$vde" = "yes" ; then
3709       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3710     fi
3711     vde=no
3712   fi
3713 fi
3714
3715 ##########################################
3716 # netmap support probe
3717 # Apart from looking for netmap headers, we make sure that the host API version
3718 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3719 # a minor/major version number. Minor new features will be marked with values up
3720 # to 15, and if something happens that requires a change to the backend we will
3721 # move above 15, submit the backend fixes and modify this two bounds.
3722 if test "$netmap" != "no" ; then
3723   cat > $TMPC << EOF
3724 #include <inttypes.h>
3725 #include <net/if.h>
3726 #include <net/netmap.h>
3727 #include <net/netmap_user.h>
3728 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3729 #error
3730 #endif
3731 int main(void) { return 0; }
3732 EOF
3733   if compile_prog "" "" ; then
3734     netmap=yes
3735   else
3736     if test "$netmap" = "yes" ; then
3737       feature_not_found "netmap"
3738     fi
3739     netmap=no
3740   fi
3741 fi
3742
3743 ##########################################
3744 # libcap-ng library probe
3745 if test "$cap_ng" != "no" ; then
3746   cap_libs="-lcap-ng"
3747   cat > $TMPC << EOF
3748 #include <cap-ng.h>
3749 int main(void)
3750 {
3751     capng_capability_to_name(CAPNG_EFFECTIVE);
3752     return 0;
3753 }
3754 EOF
3755   if compile_prog "" "$cap_libs" ; then
3756     cap_ng=yes
3757     libs_tools="$cap_libs $libs_tools"
3758   else
3759     if test "$cap_ng" = "yes" ; then
3760       feature_not_found "cap_ng" "Install libcap-ng devel"
3761     fi
3762     cap_ng=no
3763   fi
3764 fi
3765
3766 ##########################################
3767 # Sound support libraries probe
3768
3769 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3770 for drv in $audio_drv_list; do
3771     case $drv in
3772     alsa | try-alsa)
3773     if $pkg_config alsa --exists; then
3774         alsa_libs=$($pkg_config alsa --libs)
3775         if test "$drv" = "try-alsa"; then
3776             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3777         fi
3778     else
3779         if test "$drv" = "try-alsa"; then
3780             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3781         else
3782             error_exit "$drv check failed" \
3783                 "Make sure to have the $drv libs and headers installed."
3784         fi
3785     fi
3786     ;;
3787
3788     pa | try-pa)
3789     if $pkg_config libpulse --exists; then
3790         pulse_libs=$($pkg_config libpulse --libs)
3791         if test "$drv" = "try-pa"; then
3792             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3793         fi
3794     else
3795         if test "$drv" = "try-pa"; then
3796             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3797         else
3798             error_exit "$drv check failed" \
3799                 "Make sure to have the $drv libs and headers installed."
3800         fi
3801     fi
3802     ;;
3803
3804     sdl)
3805     if test "$sdl" = "no"; then
3806         error_exit "sdl not found or disabled, can not use sdl audio driver"
3807     fi
3808     ;;
3809
3810     try-sdl)
3811     if test "$sdl" = "no"; then
3812         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3813     else
3814         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3815     fi
3816     ;;
3817
3818     coreaudio)
3819       coreaudio_libs="-framework CoreAudio"
3820     ;;
3821
3822     dsound)
3823       dsound_libs="-lole32 -ldxguid"
3824       audio_win_int="yes"
3825     ;;
3826
3827     oss)
3828       oss_libs="$oss_lib"
3829     ;;
3830
3831     jack | try-jack)
3832     if $pkg_config jack --exists; then
3833         jack_libs=$($pkg_config jack --libs)
3834         if test "$drv" = "try-jack"; then
3835             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3836         fi
3837     else
3838         if test "$drv" = "try-jack"; then
3839             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3840         else
3841             error_exit "$drv check failed" \
3842                 "Make sure to have the $drv libs and headers installed."
3843         fi
3844     fi
3845     ;;
3846
3847     *)
3848     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3849         error_exit "Unknown driver '$drv' selected" \
3850             "Possible drivers are: $audio_possible_drivers"
3851     }
3852     ;;
3853     esac
3854 done
3855
3856 ##########################################
3857 # BrlAPI probe
3858
3859 if test "$brlapi" != "no" ; then
3860   brlapi_libs="-lbrlapi"
3861   cat > $TMPC << EOF
3862 #include <brlapi.h>
3863 #include <stddef.h>
3864 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3865 EOF
3866   if compile_prog "" "$brlapi_libs" ; then
3867     brlapi=yes
3868   else
3869     if test "$brlapi" = "yes" ; then
3870       feature_not_found "brlapi" "Install brlapi devel"
3871     fi
3872     brlapi=no
3873   fi
3874 fi
3875
3876 ##########################################
3877 # iconv probe
3878 if test "$iconv" != "no" ; then
3879   cat > $TMPC << EOF
3880 #include <iconv.h>
3881 int main(void) {
3882   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3883   return conv != (iconv_t) -1;
3884 }
3885 EOF
3886   iconv_prefix_list="/usr/local:/usr"
3887   iconv_lib_list=":-liconv"
3888   IFS=:
3889   for iconv_prefix in $iconv_prefix_list; do
3890     IFS=:
3891     iconv_cflags="-I$iconv_prefix/include"
3892     iconv_ldflags="-L$iconv_prefix/lib"
3893     for iconv_link in $iconv_lib_list; do
3894       unset IFS
3895       iconv_lib="$iconv_ldflags $iconv_link"
3896       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3897       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3898         iconv_found=yes
3899         break
3900       fi
3901     done
3902     if test "$iconv_found" = yes ; then
3903       break
3904     fi
3905   done
3906   if test "$iconv_found" = "yes" ; then
3907     iconv=yes
3908   else
3909     if test "$iconv" = "yes" ; then
3910       feature_not_found "iconv" "Install iconv devel"
3911     fi
3912     iconv=no
3913   fi
3914 fi
3915
3916 ##########################################
3917 # curses probe
3918 if test "$iconv" = "no" ; then
3919   # curses will need iconv
3920   curses=no
3921 fi
3922 if test "$curses" != "no" ; then
3923   if test "$mingw32" = "yes" ; then
3924     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3925     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3926   else
3927     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3928     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3929   fi
3930   curses_found=no
3931   cat > $TMPC << EOF
3932 #include <locale.h>
3933 #include <curses.h>
3934 #include <wchar.h>
3935 #include <langinfo.h>
3936 int main(void) {
3937   const char *codeset;
3938   wchar_t wch = L'w';
3939   setlocale(LC_ALL, "");
3940   resize_term(0, 0);
3941   addwstr(L"wide chars\n");
3942   addnwstr(&wch, 1);
3943   add_wch(WACS_DEGREE);
3944   codeset = nl_langinfo(CODESET);
3945   return codeset != 0;
3946 }
3947 EOF
3948   IFS=:
3949   for curses_inc in $curses_inc_list; do
3950     # Make sure we get the wide character prototypes
3951     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3952     IFS=:
3953     for curses_lib in $curses_lib_list; do
3954       unset IFS
3955       if compile_prog "$curses_inc" "$curses_lib" ; then
3956         curses_found=yes
3957         break
3958       fi
3959     done
3960     if test "$curses_found" = yes ; then
3961       break
3962     fi
3963   done
3964   unset IFS
3965   if test "$curses_found" = "yes" ; then
3966     curses=yes
3967   else
3968     if test "$curses" = "yes" ; then
3969       feature_not_found "curses" "Install ncurses devel"
3970     fi
3971     curses=no
3972   fi
3973 fi
3974
3975 ##########################################
3976 # curl probe
3977 if test "$curl" != "no" ; then
3978   if $pkg_config libcurl --exists; then
3979     curlconfig="$pkg_config libcurl"
3980   else
3981     curlconfig=curl-config
3982   fi
3983   cat > $TMPC << EOF
3984 #include <curl/curl.h>
3985 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3986 EOF
3987   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3988   curl_libs=$($curlconfig --libs 2>/dev/null)
3989   if compile_prog "$curl_cflags" "$curl_libs" ; then
3990     curl=yes
3991   else
3992     if test "$curl" = "yes" ; then
3993       feature_not_found "curl" "Install libcurl devel"
3994     fi
3995     curl=no
3996   fi
3997 fi # test "$curl"
3998
3999 ##########################################
4000 # glib support probe
4001
4002 glib_req_ver=2.48
4003 glib_modules=gthread-2.0
4004 if test "$modules" = yes; then
4005     glib_modules="$glib_modules gmodule-export-2.0"
4006 fi
4007 if test "$plugins" = yes; then
4008     glib_modules="$glib_modules gmodule-2.0"
4009 fi
4010
4011 # This workaround is required due to a bug in pkg-config file for glib as it
4012 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
4013
4014 if test "$static" = yes && test "$mingw32" = yes; then
4015     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
4016 fi
4017
4018 for i in $glib_modules; do
4019     if $pkg_config --atleast-version=$glib_req_ver $i; then
4020         glib_cflags=$($pkg_config --cflags $i)
4021         glib_libs=$($pkg_config --libs $i)
4022         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4023         LIBS="$glib_libs $LIBS"
4024         libs_qga="$glib_libs $libs_qga"
4025     else
4026         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4027     fi
4028 done
4029
4030 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4031     gio=yes
4032     gio_cflags=$($pkg_config --cflags gio-2.0)
4033     gio_libs=$($pkg_config --libs gio-2.0)
4034     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4035     if [ ! -x "$gdbus_codegen" ]; then
4036         gdbus_codegen=
4037     fi
4038 else
4039     gio=no
4040 fi
4041
4042 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4043     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4044     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4045 fi
4046
4047 # Sanity check that the current size_t matches the
4048 # size that glib thinks it should be. This catches
4049 # problems on multi-arch where people try to build
4050 # 32-bit QEMU while pointing at 64-bit glib headers
4051 cat > $TMPC <<EOF
4052 #include <glib.h>
4053 #include <unistd.h>
4054
4055 #define QEMU_BUILD_BUG_ON(x) \
4056   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4057
4058 int main(void) {
4059    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4060    return 0;
4061 }
4062 EOF
4063
4064 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4065     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4066                "You probably need to set PKG_CONFIG_LIBDIR"\
4067                "to point to the right pkg-config files for your"\
4068                "build target"
4069 fi
4070
4071 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4072 cat > $TMPC << EOF
4073 #include <glib.h>
4074 int main(void) { return 0; }
4075 EOF
4076 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4077     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4078         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4079         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4080     fi
4081 fi
4082
4083 # Silence clang warnings triggered by glib < 2.57.2
4084 cat > $TMPC << EOF
4085 #include <glib.h>
4086 typedef struct Foo {
4087     int i;
4088 } Foo;
4089 static void foo_free(Foo *f)
4090 {
4091     g_free(f);
4092 }
4093 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4094 int main(void) { return 0; }
4095 EOF
4096 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4097     if cc_has_warning_flag "-Wno-unused-function"; then
4098         glib_cflags="$glib_cflags -Wno-unused-function"
4099         CFLAGS="$CFLAGS -Wno-unused-function"
4100     fi
4101 fi
4102
4103 #########################################
4104 # zlib check
4105
4106 if test "$zlib" != "no" ; then
4107     if $pkg_config --exists zlib; then
4108         zlib_cflags=$($pkg_config --cflags zlib)
4109         zlib_libs=$($pkg_config --libs zlib)
4110         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4111         LIBS="$zlib_libs $LIBS"
4112     else
4113         cat > $TMPC << EOF
4114 #include <zlib.h>
4115 int main(void) { zlibVersion(); return 0; }
4116 EOF
4117         if compile_prog "" "-lz" ; then
4118             LIBS="$LIBS -lz"
4119         else
4120             error_exit "zlib check failed" \
4121                 "Make sure to have the zlib libs and headers installed."
4122         fi
4123     fi
4124 fi
4125
4126 ##########################################
4127 # SHA command probe for modules
4128 if test "$modules" = yes; then
4129     shacmd_probe="sha1sum sha1 shasum"
4130     for c in $shacmd_probe; do
4131         if has $c; then
4132             shacmd="$c"
4133             break
4134         fi
4135     done
4136     if test "$shacmd" = ""; then
4137         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4138     fi
4139 fi
4140
4141 ##########################################
4142 # pixman support probe
4143
4144 if test "$softmmu" = "no"; then
4145   pixman_cflags=
4146   pixman_libs=
4147 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4148   pixman_cflags=$($pkg_config --cflags pixman-1)
4149   pixman_libs=$($pkg_config --libs pixman-1)
4150 else
4151   error_exit "pixman >= 0.21.8 not present." \
4152       "Please install the pixman devel package."
4153 fi
4154
4155 ##########################################
4156 # libmpathpersist probe
4157
4158 if test "$mpath" != "no" ; then
4159   # probe for the new API
4160   cat > $TMPC <<EOF
4161 #include <libudev.h>
4162 #include <mpath_persist.h>
4163 unsigned mpath_mx_alloc_len = 1024;
4164 int logsink;
4165 static struct config *multipath_conf;
4166 extern struct udev *udev;
4167 extern struct config *get_multipath_config(void);
4168 extern void put_multipath_config(struct config *conf);
4169 struct udev *udev;
4170 struct config *get_multipath_config(void) { return multipath_conf; }
4171 void put_multipath_config(struct config *conf) { }
4172
4173 int main(void) {
4174     udev = udev_new();
4175     multipath_conf = mpath_lib_init();
4176     return 0;
4177 }
4178 EOF
4179   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4180     mpathpersist=yes
4181     mpathpersist_new_api=yes
4182   else
4183     # probe for the old API
4184     cat > $TMPC <<EOF
4185 #include <libudev.h>
4186 #include <mpath_persist.h>
4187 unsigned mpath_mx_alloc_len = 1024;
4188 int logsink;
4189 int main(void) {
4190     struct udev *udev = udev_new();
4191     mpath_lib_init(udev);
4192     return 0;
4193 }
4194 EOF
4195     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4196       mpathpersist=yes
4197       mpathpersist_new_api=no
4198     else
4199       mpathpersist=no
4200     fi
4201   fi
4202 else
4203   mpathpersist=no
4204 fi
4205
4206 ##########################################
4207 # pthread probe
4208 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4209
4210 pthread=no
4211 cat > $TMPC << EOF
4212 #include <pthread.h>
4213 static void *f(void *p) { return NULL; }
4214 int main(void) {
4215   pthread_t thread;
4216   pthread_create(&thread, 0, f, 0);
4217   return 0;
4218 }
4219 EOF
4220 if compile_prog "" "" ; then
4221   pthread=yes
4222 else
4223   for pthread_lib in $PTHREADLIBS_LIST; do
4224     if compile_prog "" "$pthread_lib" ; then
4225       pthread=yes
4226       found=no
4227       for lib_entry in $LIBS; do
4228         if test "$lib_entry" = "$pthread_lib"; then
4229           found=yes
4230           break
4231         fi
4232       done
4233       if test "$found" = "no"; then
4234         LIBS="$pthread_lib $LIBS"
4235         libs_qga="$pthread_lib $libs_qga"
4236       fi
4237       PTHREAD_LIB="$pthread_lib"
4238       break
4239     fi
4240   done
4241 fi
4242
4243 if test "$mingw32" != yes && test "$pthread" = no; then
4244   error_exit "pthread check failed" \
4245       "Make sure to have the pthread libs and headers installed."
4246 fi
4247
4248 # check for pthread_setname_np with thread id
4249 pthread_setname_np_w_tid=no
4250 cat > $TMPC << EOF
4251 #include <pthread.h>
4252
4253 static void *f(void *p) { return NULL; }
4254 int main(void)
4255 {
4256     pthread_t thread;
4257     pthread_create(&thread, 0, f, 0);
4258     pthread_setname_np(thread, "QEMU");
4259     return 0;
4260 }
4261 EOF
4262 if compile_prog "" "$pthread_lib" ; then
4263   pthread_setname_np_w_tid=yes
4264 fi
4265
4266 # check for pthread_setname_np without thread id
4267 pthread_setname_np_wo_tid=no
4268 cat > $TMPC << EOF
4269 #include <pthread.h>
4270
4271 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4272 int main(void)
4273 {
4274     pthread_t thread;
4275     pthread_create(&thread, 0, f, 0);
4276     return 0;
4277 }
4278 EOF
4279 if compile_prog "" "$pthread_lib" ; then
4280   pthread_setname_np_wo_tid=yes
4281 fi
4282
4283 ##########################################
4284 # rbd probe
4285 if test "$rbd" != "no" ; then
4286   cat > $TMPC <<EOF
4287 #include <stdio.h>
4288 #include <rbd/librbd.h>
4289 int main(void) {
4290     rados_t cluster;
4291     rados_create(&cluster, NULL);
4292     return 0;
4293 }
4294 EOF
4295   rbd_libs="-lrbd -lrados"
4296   if compile_prog "" "$rbd_libs" ; then
4297     rbd=yes
4298   else
4299     if test "$rbd" = "yes" ; then
4300       feature_not_found "rados block device" "Install librbd/ceph devel"
4301     fi
4302     rbd=no
4303   fi
4304 fi
4305
4306 ##########################################
4307 # libssh probe
4308 if test "$libssh" != "no" ; then
4309   if $pkg_config --exists libssh; then
4310     libssh_cflags=$($pkg_config libssh --cflags)
4311     libssh_libs=$($pkg_config libssh --libs)
4312     libssh=yes
4313   else
4314     if test "$libssh" = "yes" ; then
4315       error_exit "libssh required for --enable-libssh"
4316     fi
4317     libssh=no
4318   fi
4319 fi
4320
4321 ##########################################
4322 # Check for libssh 0.8
4323 # This is done like this instead of using the LIBSSH_VERSION_* and
4324 # SSH_VERSION_* macros because some distributions in the past shipped
4325 # snapshots of the future 0.8 from Git, and those snapshots did not
4326 # have updated version numbers (still referring to 0.7.0).
4327
4328 if test "$libssh" = "yes"; then
4329   cat > $TMPC <<EOF
4330 #include <libssh/libssh.h>
4331 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4332 EOF
4333   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4334     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4335   fi
4336 fi
4337
4338 ##########################################
4339 # linux-aio probe
4340
4341 if test "$linux_aio" != "no" ; then
4342   cat > $TMPC <<EOF
4343 #include <libaio.h>
4344 #include <sys/eventfd.h>
4345 #include <stddef.h>
4346 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4347 EOF
4348   if compile_prog "" "-laio" ; then
4349     linux_aio=yes
4350   else
4351     if test "$linux_aio" = "yes" ; then
4352       feature_not_found "linux AIO" "Install libaio devel"
4353     fi
4354     linux_aio=no
4355   fi
4356 fi
4357 ##########################################
4358 # linux-io-uring probe
4359
4360 if test "$linux_io_uring" != "no" ; then
4361   if $pkg_config liburing; then
4362     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4363     linux_io_uring_libs=$($pkg_config --libs liburing)
4364     linux_io_uring=yes
4365
4366     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4367     # seen by programs linking the archive.  It's not ideal, but just add the
4368     # library dependency globally.
4369     LIBS="$linux_io_uring_libs $LIBS"
4370   else
4371     if test "$linux_io_uring" = "yes" ; then
4372       feature_not_found "linux io_uring" "Install liburing devel"
4373     fi
4374     linux_io_uring=no
4375   fi
4376 fi
4377
4378 ##########################################
4379 # TPM emulation is only on POSIX
4380
4381 if test "$tpm" = ""; then
4382   if test "$mingw32" = "yes"; then
4383     tpm=no
4384   else
4385     tpm=yes
4386   fi
4387 elif test "$tpm" = "yes"; then
4388   if test "$mingw32" = "yes" ; then
4389     error_exit "TPM emulation only available on POSIX systems"
4390   fi
4391 fi
4392
4393 ##########################################
4394 # attr probe
4395
4396 if test "$attr" != "no" ; then
4397   cat > $TMPC <<EOF
4398 #include <stdio.h>
4399 #include <sys/types.h>
4400 #ifdef CONFIG_LIBATTR
4401 #include <attr/xattr.h>
4402 #else
4403 #include <sys/xattr.h>
4404 #endif
4405 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4406 EOF
4407   if compile_prog "" "" ; then
4408     attr=yes
4409   # Older distros have <attr/xattr.h>, and need -lattr:
4410   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4411     attr=yes
4412     LIBS="-lattr $LIBS"
4413     libattr=yes
4414   else
4415     if test "$attr" = "yes" ; then
4416       feature_not_found "ATTR" "Install libc6 or libattr devel"
4417     fi
4418     attr=no
4419   fi
4420 fi
4421
4422 ##########################################
4423 # iovec probe
4424 cat > $TMPC <<EOF
4425 #include <sys/types.h>
4426 #include <sys/uio.h>
4427 #include <unistd.h>
4428 int main(void) { return sizeof(struct iovec); }
4429 EOF
4430 iovec=no
4431 if compile_prog "" "" ; then
4432   iovec=yes
4433 fi
4434
4435 ##########################################
4436 # preadv probe
4437 cat > $TMPC <<EOF
4438 #include <sys/types.h>
4439 #include <sys/uio.h>
4440 #include <unistd.h>
4441 int main(void) { return preadv(0, 0, 0, 0); }
4442 EOF
4443 preadv=no
4444 if compile_prog "" "" ; then
4445   preadv=yes
4446 fi
4447
4448 ##########################################
4449 # fdt probe
4450 # fdt support is mandatory for at least some target architectures,
4451 # so insist on it if we're building those system emulators.
4452 fdt_required=no
4453 for target in $target_list; do
4454   case $target in
4455     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4456       fdt_required=yes
4457     ;;
4458   esac
4459 done
4460
4461 if test "$fdt_required" = "yes"; then
4462   if test "$fdt" = "no"; then
4463     error_exit "fdt disabled but some requested targets require it." \
4464       "You can turn off fdt only if you also disable all the system emulation" \
4465       "targets which need it (by specifying a cut down --target-list)."
4466   fi
4467   fdt=yes
4468 elif test "$fdt" != "yes" ; then
4469   fdt=no
4470 fi
4471
4472 # fdt is only required when building softmmu targets
4473 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4474     fdt="no"
4475 fi
4476
4477 if test "$fdt" != "no" ; then
4478   fdt_libs="-lfdt"
4479   # explicitly check for libfdt_env.h as it is missing in some stable installs
4480   # and test for required functions to make sure we are on a version >= 1.4.2
4481   cat > $TMPC << EOF
4482 #include <libfdt.h>
4483 #include <libfdt_env.h>
4484 int main(void) { fdt_check_full(NULL, 0); return 0; }
4485 EOF
4486   if compile_prog "" "$fdt_libs" ; then
4487     # system DTC is good - use it
4488     fdt=system
4489   else
4490       # have GIT checkout, so activate dtc submodule
4491       if test -e "${source_path}/.git" ; then
4492           git_submodules="${git_submodules} dtc"
4493       fi
4494       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4495           fdt=git
4496           mkdir -p dtc
4497           if [ "$pwd_is_source_path" != "y" ] ; then
4498               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4499           fi
4500           fdt_cflags="-I${source_path}/dtc/libfdt"
4501           fdt_ldflags="-L$PWD/dtc/libfdt"
4502           fdt_libs="$fdt_libs"
4503       elif test "$fdt" = "yes" ; then
4504           # Not a git build & no libfdt found, prompt for system install
4505           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4506                      "Please install the DTC (libfdt) devel package"
4507       else
4508           # don't have and don't want
4509           fdt_libs=
4510           fdt=no
4511       fi
4512   fi
4513 fi
4514
4515 libs_softmmu="$libs_softmmu $fdt_libs"
4516
4517 ##########################################
4518 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4519
4520 gbm="no"
4521 if $pkg_config gbm; then
4522     gbm_cflags="$($pkg_config --cflags gbm)"
4523     gbm_libs="$($pkg_config --libs gbm)"
4524     gbm="yes"
4525 fi
4526
4527 if test "$opengl" != "no" ; then
4528   opengl_pkgs="epoxy gbm"
4529   if $pkg_config $opengl_pkgs; then
4530     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4531     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4532     opengl=yes
4533     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4534         gtk_gl="yes"
4535     fi
4536     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4537   else
4538     if test "$opengl" = "yes" ; then
4539       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4540     fi
4541     opengl_cflags=""
4542     opengl_libs=""
4543     opengl=no
4544   fi
4545 fi
4546
4547 if test "$opengl" = "yes"; then
4548   cat > $TMPC << EOF
4549 #include <epoxy/egl.h>
4550 #ifndef EGL_MESA_image_dma_buf_export
4551 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4552 #endif
4553 int main(void) { return 0; }
4554 EOF
4555   if compile_prog "" "" ; then
4556     opengl_dmabuf=yes
4557   fi
4558 fi
4559
4560 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4561   for target in $target_list; do
4562     case $target in
4563       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4564         need_x11=yes
4565       ;;
4566     esac
4567   done
4568 fi
4569
4570 ##########################################
4571 # libxml2 probe
4572 if test "$libxml2" != "no" ; then
4573     if $pkg_config --exists libxml-2.0; then
4574         libxml2="yes"
4575         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4576         libxml2_libs=$($pkg_config --libs libxml-2.0)
4577     else
4578         if test "$libxml2" = "yes"; then
4579             feature_not_found "libxml2" "Install libxml2 devel"
4580         fi
4581         libxml2="no"
4582     fi
4583 fi
4584
4585 ##########################################
4586 # glusterfs probe
4587 if test "$glusterfs" != "no" ; then
4588   if $pkg_config --atleast-version=3 glusterfs-api; then
4589     glusterfs="yes"
4590     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4591     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4592     if $pkg_config --atleast-version=4 glusterfs-api; then
4593       glusterfs_xlator_opt="yes"
4594     fi
4595     if $pkg_config --atleast-version=5 glusterfs-api; then
4596       glusterfs_discard="yes"
4597     fi
4598     if $pkg_config --atleast-version=6 glusterfs-api; then
4599       glusterfs_fallocate="yes"
4600       glusterfs_zerofill="yes"
4601     fi
4602     cat > $TMPC << EOF
4603 #include <glusterfs/api/glfs.h>
4604
4605 int
4606 main(void)
4607 {
4608         /* new glfs_ftruncate() passes two additional args */
4609         return glfs_ftruncate(NULL, 0, NULL, NULL);
4610 }
4611 EOF
4612     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4613       glusterfs_ftruncate_has_stat="yes"
4614     fi
4615     cat > $TMPC << EOF
4616 #include <glusterfs/api/glfs.h>
4617
4618 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4619 static void
4620 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4621 {}
4622
4623 int
4624 main(void)
4625 {
4626         glfs_io_cbk iocb = &glusterfs_iocb;
4627         iocb(NULL, 0 , NULL, NULL, NULL);
4628         return 0;
4629 }
4630 EOF
4631     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4632       glusterfs_iocb_has_stat="yes"
4633     fi
4634   else
4635     if test "$glusterfs" = "yes" ; then
4636       feature_not_found "GlusterFS backend support" \
4637           "Install glusterfs-api devel >= 3"
4638     fi
4639     glusterfs="no"
4640   fi
4641 fi
4642
4643 # Check for inotify functions when we are building linux-user
4644 # emulator.  This is done because older glibc versions don't
4645 # have syscall stubs for these implemented.  In that case we
4646 # don't provide them even if kernel supports them.
4647 #
4648 inotify=no
4649 cat > $TMPC << EOF
4650 #include <sys/inotify.h>
4651
4652 int
4653 main(void)
4654 {
4655         /* try to start inotify */
4656         return inotify_init();
4657 }
4658 EOF
4659 if compile_prog "" "" ; then
4660   inotify=yes
4661 fi
4662
4663 inotify1=no
4664 cat > $TMPC << EOF
4665 #include <sys/inotify.h>
4666
4667 int
4668 main(void)
4669 {
4670     /* try to start inotify */
4671     return inotify_init1(0);
4672 }
4673 EOF
4674 if compile_prog "" "" ; then
4675   inotify1=yes
4676 fi
4677
4678 # check if pipe2 is there
4679 pipe2=no
4680 cat > $TMPC << EOF
4681 #include <unistd.h>
4682 #include <fcntl.h>
4683
4684 int main(void)
4685 {
4686     int pipefd[2];
4687     return pipe2(pipefd, O_CLOEXEC);
4688 }
4689 EOF
4690 if compile_prog "" "" ; then
4691   pipe2=yes
4692 fi
4693
4694 # check if accept4 is there
4695 accept4=no
4696 cat > $TMPC << EOF
4697 #include <sys/socket.h>
4698 #include <stddef.h>
4699
4700 int main(void)
4701 {
4702     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4703     return 0;
4704 }
4705 EOF
4706 if compile_prog "" "" ; then
4707   accept4=yes
4708 fi
4709
4710 # check if tee/splice is there. vmsplice was added same time.
4711 splice=no
4712 cat > $TMPC << EOF
4713 #include <unistd.h>
4714 #include <fcntl.h>
4715 #include <limits.h>
4716
4717 int main(void)
4718 {
4719     int len, fd = 0;
4720     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4721     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4722     return 0;
4723 }
4724 EOF
4725 if compile_prog "" "" ; then
4726   splice=yes
4727 fi
4728
4729 ##########################################
4730 # libnuma probe
4731
4732 if test "$numa" != "no" ; then
4733   cat > $TMPC << EOF
4734 #include <numa.h>
4735 int main(void) { return numa_available(); }
4736 EOF
4737
4738   if compile_prog "" "-lnuma" ; then
4739     numa=yes
4740     libs_softmmu="-lnuma $libs_softmmu"
4741   else
4742     if test "$numa" = "yes" ; then
4743       feature_not_found "numa" "install numactl devel"
4744     fi
4745     numa=no
4746   fi
4747 fi
4748
4749 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4750     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4751     exit 1
4752 fi
4753
4754 # Even if malloc_trim() is available, these non-libc memory allocators
4755 # do not support it.
4756 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4757     if test "$malloc_trim" = "yes" ; then
4758         echo "Disabling malloc_trim with non-libc memory allocator"
4759     fi
4760     malloc_trim="no"
4761 fi
4762
4763 #######################################
4764 # malloc_trim
4765
4766 if test "$malloc_trim" != "no" ; then
4767     cat > $TMPC << EOF
4768 #include <malloc.h>
4769 int main(void) { malloc_trim(0); return 0; }
4770 EOF
4771     if compile_prog "" "" ; then
4772         malloc_trim="yes"
4773     else
4774         malloc_trim="no"
4775     fi
4776 fi
4777
4778 ##########################################
4779 # tcmalloc probe
4780
4781 if test "$tcmalloc" = "yes" ; then
4782   cat > $TMPC << EOF
4783 #include <stdlib.h>
4784 int main(void) {
4785     void *tmp = malloc(1);
4786     if (tmp != NULL) {
4787         return 0;
4788     }
4789     return 1;
4790 }
4791 EOF
4792
4793   if compile_prog "" "-ltcmalloc" ; then
4794     LIBS="-ltcmalloc $LIBS"
4795   else
4796     feature_not_found "tcmalloc" "install gperftools devel"
4797   fi
4798 fi
4799
4800 ##########################################
4801 # jemalloc probe
4802
4803 if test "$jemalloc" = "yes" ; then
4804   cat > $TMPC << EOF
4805 #include <stdlib.h>
4806 int main(void) {
4807     void *tmp = malloc(1);
4808     if (tmp != NULL) {
4809         return 0;
4810     }
4811     return 1;
4812 }
4813 EOF
4814
4815   if compile_prog "" "-ljemalloc" ; then
4816     LIBS="-ljemalloc $LIBS"
4817   else
4818     feature_not_found "jemalloc" "install jemalloc devel"
4819   fi
4820 fi
4821
4822 ##########################################
4823 # signalfd probe
4824 signalfd="no"
4825 cat > $TMPC << EOF
4826 #include <unistd.h>
4827 #include <sys/syscall.h>
4828 #include <signal.h>
4829 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4830 EOF
4831
4832 if compile_prog "" "" ; then
4833   signalfd=yes
4834 fi
4835
4836 # check if optreset global is declared by <getopt.h>
4837 optreset="no"
4838 cat > $TMPC << EOF
4839 #include <getopt.h>
4840 int main(void) { return optreset; }
4841 EOF
4842
4843 if compile_prog "" "" ; then
4844   optreset=yes
4845 fi
4846
4847 # check if eventfd is supported
4848 eventfd=no
4849 cat > $TMPC << EOF
4850 #include <sys/eventfd.h>
4851
4852 int main(void)
4853 {
4854     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4855 }
4856 EOF
4857 if compile_prog "" "" ; then
4858   eventfd=yes
4859 fi
4860
4861 # check if memfd is supported
4862 memfd=no
4863 cat > $TMPC << EOF
4864 #include <sys/mman.h>
4865
4866 int main(void)
4867 {
4868     return memfd_create("foo", MFD_ALLOW_SEALING);
4869 }
4870 EOF
4871 if compile_prog "" "" ; then
4872   memfd=yes
4873 fi
4874
4875 # check for usbfs
4876 have_usbfs=no
4877 if test "$linux_user" = "yes"; then
4878   cat > $TMPC << EOF
4879 #include <linux/usbdevice_fs.h>
4880
4881 #ifndef USBDEVFS_GET_CAPABILITIES
4882 #error "USBDEVFS_GET_CAPABILITIES undefined"
4883 #endif
4884
4885 #ifndef USBDEVFS_DISCONNECT_CLAIM
4886 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4887 #endif
4888
4889 int main(void)
4890 {
4891     return 0;
4892 }
4893 EOF
4894   if compile_prog "" ""; then
4895     have_usbfs=yes
4896   fi
4897 fi
4898
4899 # check for fallocate
4900 fallocate=no
4901 cat > $TMPC << EOF
4902 #include <fcntl.h>
4903
4904 int main(void)
4905 {
4906     fallocate(0, 0, 0, 0);
4907     return 0;
4908 }
4909 EOF
4910 if compile_prog "" "" ; then
4911   fallocate=yes
4912 fi
4913
4914 # check for fallocate hole punching
4915 fallocate_punch_hole=no
4916 cat > $TMPC << EOF
4917 #include <fcntl.h>
4918 #include <linux/falloc.h>
4919
4920 int main(void)
4921 {
4922     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4923     return 0;
4924 }
4925 EOF
4926 if compile_prog "" "" ; then
4927   fallocate_punch_hole=yes
4928 fi
4929
4930 # check that fallocate supports range zeroing inside the file
4931 fallocate_zero_range=no
4932 cat > $TMPC << EOF
4933 #include <fcntl.h>
4934 #include <linux/falloc.h>
4935
4936 int main(void)
4937 {
4938     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4939     return 0;
4940 }
4941 EOF
4942 if compile_prog "" "" ; then
4943   fallocate_zero_range=yes
4944 fi
4945
4946 # check for posix_fallocate
4947 posix_fallocate=no
4948 cat > $TMPC << EOF
4949 #include <fcntl.h>
4950
4951 int main(void)
4952 {
4953     posix_fallocate(0, 0, 0);
4954     return 0;
4955 }
4956 EOF
4957 if compile_prog "" "" ; then
4958     posix_fallocate=yes
4959 fi
4960
4961 # check for sync_file_range
4962 sync_file_range=no
4963 cat > $TMPC << EOF
4964 #include <fcntl.h>
4965
4966 int main(void)
4967 {
4968     sync_file_range(0, 0, 0, 0);
4969     return 0;
4970 }
4971 EOF
4972 if compile_prog "" "" ; then
4973   sync_file_range=yes
4974 fi
4975
4976 # check for linux/fiemap.h and FS_IOC_FIEMAP
4977 fiemap=no
4978 cat > $TMPC << EOF
4979 #include <sys/ioctl.h>
4980 #include <linux/fs.h>
4981 #include <linux/fiemap.h>
4982
4983 int main(void)
4984 {
4985     ioctl(0, FS_IOC_FIEMAP, 0);
4986     return 0;
4987 }
4988 EOF
4989 if compile_prog "" "" ; then
4990   fiemap=yes
4991 fi
4992
4993 # check for dup3
4994 dup3=no
4995 cat > $TMPC << EOF
4996 #include <unistd.h>
4997
4998 int main(void)
4999 {
5000     dup3(0, 0, 0);
5001     return 0;
5002 }
5003 EOF
5004 if compile_prog "" "" ; then
5005   dup3=yes
5006 fi
5007
5008 # check for ppoll support
5009 ppoll=no
5010 cat > $TMPC << EOF
5011 #include <poll.h>
5012
5013 int main(void)
5014 {
5015     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5016     ppoll(&pfd, 1, 0, 0);
5017     return 0;
5018 }
5019 EOF
5020 if compile_prog "" "" ; then
5021   ppoll=yes
5022 fi
5023
5024 # check for prctl(PR_SET_TIMERSLACK , ... ) support
5025 prctl_pr_set_timerslack=no
5026 cat > $TMPC << EOF
5027 #include <sys/prctl.h>
5028
5029 int main(void)
5030 {
5031     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5032     return 0;
5033 }
5034 EOF
5035 if compile_prog "" "" ; then
5036   prctl_pr_set_timerslack=yes
5037 fi
5038
5039 # check for epoll support
5040 epoll=no
5041 cat > $TMPC << EOF
5042 #include <sys/epoll.h>
5043
5044 int main(void)
5045 {
5046     epoll_create(0);
5047     return 0;
5048 }
5049 EOF
5050 if compile_prog "" "" ; then
5051   epoll=yes
5052 fi
5053
5054 # epoll_create1 is a later addition
5055 # so we must check separately for its presence
5056 epoll_create1=no
5057 cat > $TMPC << EOF
5058 #include <sys/epoll.h>
5059
5060 int main(void)
5061 {
5062     /* Note that we use epoll_create1 as a value, not as
5063      * a function being called. This is necessary so that on
5064      * old SPARC glibc versions where the function was present in
5065      * the library but not declared in the header file we will
5066      * fail the configure check. (Otherwise we will get a compiler
5067      * warning but not an error, and will proceed to fail the
5068      * qemu compile where we compile with -Werror.)
5069      */
5070     return (int)(uintptr_t)&epoll_create1;
5071 }
5072 EOF
5073 if compile_prog "" "" ; then
5074   epoll_create1=yes
5075 fi
5076
5077 # check for sendfile support
5078 sendfile=no
5079 cat > $TMPC << EOF
5080 #include <sys/sendfile.h>
5081
5082 int main(void)
5083 {
5084     return sendfile(0, 0, 0, 0);
5085 }
5086 EOF
5087 if compile_prog "" "" ; then
5088   sendfile=yes
5089 fi
5090
5091 # check for timerfd support (glibc 2.8 and newer)
5092 timerfd=no
5093 cat > $TMPC << EOF
5094 #include <sys/timerfd.h>
5095
5096 int main(void)
5097 {
5098     return(timerfd_create(CLOCK_REALTIME, 0));
5099 }
5100 EOF
5101 if compile_prog "" "" ; then
5102   timerfd=yes
5103 fi
5104
5105 # check for setns and unshare support
5106 setns=no
5107 cat > $TMPC << EOF
5108 #include <sched.h>
5109
5110 int main(void)
5111 {
5112     int ret;
5113     ret = setns(0, 0);
5114     ret = unshare(0);
5115     return ret;
5116 }
5117 EOF
5118 if compile_prog "" "" ; then
5119   setns=yes
5120 fi
5121
5122 # clock_adjtime probe
5123 clock_adjtime=no
5124 cat > $TMPC <<EOF
5125 #include <time.h>
5126
5127 int main(void)
5128 {
5129     return clock_adjtime(0, 0);
5130 }
5131 EOF
5132 clock_adjtime=no
5133 if compile_prog "" "" ; then
5134   clock_adjtime=yes
5135 fi
5136
5137 # syncfs probe
5138 syncfs=no
5139 cat > $TMPC <<EOF
5140 #include <unistd.h>
5141
5142 int main(void)
5143 {
5144     return syncfs(0);
5145 }
5146 EOF
5147 syncfs=no
5148 if compile_prog "" "" ; then
5149   syncfs=yes
5150 fi
5151
5152 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5153 kcov=no
5154 if check_include sys/kcov.h ; then
5155     kcov=yes
5156 fi
5157
5158 # If we're making warnings fatal, apply this to Sphinx runs as well
5159 sphinx_werror=""
5160 if test "$werror" = "yes"; then
5161     sphinx_werror="-W"
5162 fi
5163
5164 # Check we have a new enough version of sphinx-build
5165 has_sphinx_build() {
5166     # This is a bit awkward but works: create a trivial document and
5167     # try to run it with our configuration file (which enforces a
5168     # version requirement). This will fail if either
5169     # sphinx-build doesn't exist at all or if it is too old.
5170     mkdir -p "$TMPDIR1/sphinx"
5171     touch "$TMPDIR1/sphinx/index.rst"
5172     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5173                     -b html "$TMPDIR1/sphinx" \
5174                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5175 }
5176
5177 # Check if tools are available to build documentation.
5178 if test "$docs" != "no" ; then
5179   if has_sphinx_build; then
5180     sphinx_ok=yes
5181   else
5182     sphinx_ok=no
5183   fi
5184   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5185     docs=yes
5186   else
5187     if test "$docs" = "yes" ; then
5188       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5189         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5190       fi
5191       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5192     fi
5193     docs=no
5194   fi
5195 fi
5196
5197 # Search for bswap_32 function
5198 byteswap_h=no
5199 cat > $TMPC << EOF
5200 #include <byteswap.h>
5201 int main(void) { return bswap_32(0); }
5202 EOF
5203 if compile_prog "" "" ; then
5204   byteswap_h=yes
5205 fi
5206
5207 # Search for bswap32 function
5208 bswap_h=no
5209 cat > $TMPC << EOF
5210 #include <sys/endian.h>
5211 #include <sys/types.h>
5212 #include <machine/bswap.h>
5213 int main(void) { return bswap32(0); }
5214 EOF
5215 if compile_prog "" "" ; then
5216   bswap_h=yes
5217 fi
5218
5219 ##########################################
5220 # Do we have libiscsi >= 1.9.0
5221 if test "$libiscsi" != "no" ; then
5222   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5223     libiscsi="yes"
5224     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5225     libiscsi_libs=$($pkg_config --libs libiscsi)
5226   else
5227     if test "$libiscsi" = "yes" ; then
5228       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5229     fi
5230     libiscsi="no"
5231   fi
5232 fi
5233
5234 ##########################################
5235 # Do we need libm
5236 cat > $TMPC << EOF
5237 #include <math.h>
5238 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5239 EOF
5240 if compile_prog "" "" ; then
5241   :
5242 elif compile_prog "" "-lm" ; then
5243   LIBS="-lm $LIBS"
5244   libs_qga="-lm $libs_qga"
5245 else
5246   error_exit "libm check failed"
5247 fi
5248
5249 ##########################################
5250 # Do we need librt
5251 # uClibc provides 2 versions of clock_gettime(), one with realtime
5252 # support and one without. This means that the clock_gettime() don't
5253 # need -lrt. We still need it for timer_create() so we check for this
5254 # function in addition.
5255 cat > $TMPC <<EOF
5256 #include <signal.h>
5257 #include <time.h>
5258 int main(void) {
5259   timer_create(CLOCK_REALTIME, NULL, NULL);
5260   return clock_gettime(CLOCK_REALTIME, NULL);
5261 }
5262 EOF
5263
5264 if compile_prog "" "" ; then
5265   :
5266 # we need pthread for static linking. use previous pthread test result
5267 elif compile_prog "" "$pthread_lib -lrt" ; then
5268   LIBS="$LIBS -lrt"
5269   libs_qga="$libs_qga -lrt"
5270 fi
5271
5272 # Check whether we need to link libutil for openpty()
5273 cat > $TMPC << EOF
5274 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5275 int main(void) { return openpty(0, 0, 0, 0, 0); }
5276 EOF
5277
5278 have_openpty="no"
5279 if compile_prog "" "" ; then
5280   have_openpty="yes"
5281 else
5282   if compile_prog "" "-lutil" ; then
5283     libs_softmmu="-lutil $libs_softmmu"
5284     libs_tools="-lutil $libs_tools"
5285     have_openpty="yes"
5286   fi
5287 fi
5288
5289 ##########################################
5290 # spice probe
5291 if test "$spice" != "no" ; then
5292   cat > $TMPC << EOF
5293 #include <spice.h>
5294 int main(void) { spice_server_new(); return 0; }
5295 EOF
5296   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5297   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5298   if $pkg_config --atleast-version=0.12.5 spice-server && \
5299      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5300      compile_prog "$spice_cflags" "$spice_libs" ; then
5301     spice="yes"
5302     libs_softmmu="$libs_softmmu $spice_libs"
5303     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5304   else
5305     if test "$spice" = "yes" ; then
5306       feature_not_found "spice" \
5307           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5308     fi
5309     spice="no"
5310   fi
5311 fi
5312
5313 # check for smartcard support
5314 if test "$smartcard" != "no"; then
5315     if $pkg_config --atleast-version=2.5.1 libcacard; then
5316         libcacard_cflags=$($pkg_config --cflags libcacard)
5317         libcacard_libs=$($pkg_config --libs libcacard)
5318         smartcard="yes"
5319     else
5320         if test "$smartcard" = "yes"; then
5321             feature_not_found "smartcard" "Install libcacard devel"
5322         fi
5323         smartcard="no"
5324     fi
5325 fi
5326
5327 # check for libusb
5328 if test "$libusb" != "no" ; then
5329     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5330         libusb="yes"
5331         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5332         libusb_libs=$($pkg_config --libs libusb-1.0)
5333     else
5334         if test "$libusb" = "yes"; then
5335             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5336         fi
5337         libusb="no"
5338     fi
5339 fi
5340
5341 # check for usbredirparser for usb network redirection support
5342 if test "$usb_redir" != "no" ; then
5343     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5344         usb_redir="yes"
5345         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5346         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5347     else
5348         if test "$usb_redir" = "yes"; then
5349             feature_not_found "usb-redir" "Install usbredir devel"
5350         fi
5351         usb_redir="no"
5352     fi
5353 fi
5354
5355 ##########################################
5356 # check if we have VSS SDK headers for win
5357
5358 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5359         test "$vss_win32_sdk" != "no" ; then
5360   case "$vss_win32_sdk" in
5361     "")   vss_win32_include="-isystem $source_path" ;;
5362     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5363           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5364           vss_win32_include="-isystem $source_path/.sdk/vss"
5365           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5366           ;;
5367     *)    vss_win32_include="-isystem $vss_win32_sdk"
5368   esac
5369   cat > $TMPC << EOF
5370 #define __MIDL_user_allocate_free_DEFINED__
5371 #include <inc/win2003/vss.h>
5372 int main(void) { return VSS_CTX_BACKUP; }
5373 EOF
5374   if compile_prog "$vss_win32_include" "" ; then
5375     guest_agent_with_vss="yes"
5376     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5377     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5378     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5379   else
5380     if test "$vss_win32_sdk" != "" ; then
5381       echo "ERROR: Please download and install Microsoft VSS SDK:"
5382       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5383       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5384       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5385       echo "ERROR: The headers are extracted in the directory \`inc'."
5386       feature_not_found "VSS support"
5387     fi
5388     guest_agent_with_vss="no"
5389   fi
5390 fi
5391
5392 ##########################################
5393 # lookup Windows platform SDK (if not specified)
5394 # The SDK is needed only to build .tlb (type library) file of guest agent
5395 # VSS provider from the source. It is usually unnecessary because the
5396 # pre-compiled .tlb file is included.
5397
5398 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5399         test "$guest_agent_with_vss" = "yes" ; then
5400   if test -z "$win_sdk"; then
5401     programfiles="$PROGRAMFILES"
5402     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5403     if test -n "$programfiles"; then
5404       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5405     else
5406       feature_not_found "Windows SDK"
5407     fi
5408   elif test "$win_sdk" = "no"; then
5409     win_sdk=""
5410   fi
5411 fi
5412
5413 ##########################################
5414 # check if mingw environment provides a recent ntddscsi.h
5415 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5416   cat > $TMPC << EOF
5417 #include <windows.h>
5418 #include <ntddscsi.h>
5419 int main(void) {
5420 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5421 #error Missing required ioctl definitions
5422 #endif
5423   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5424   return addr.Lun;
5425 }
5426 EOF
5427   if compile_prog "" "" ; then
5428     guest_agent_ntddscsi=yes
5429     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5430   fi
5431 fi
5432
5433 ##########################################
5434 # virgl renderer probe
5435
5436 if test "$virglrenderer" != "no" ; then
5437   cat > $TMPC << EOF
5438 #include <virglrenderer.h>
5439 int main(void) { virgl_renderer_poll(); return 0; }
5440 EOF
5441   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5442   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5443   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5444   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5445      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5446     virglrenderer="yes"
5447   else
5448     if test "$virglrenderer" = "yes" ; then
5449       feature_not_found "virglrenderer"
5450     fi
5451     virglrenderer="no"
5452   fi
5453 fi
5454
5455 ##########################################
5456 # capstone
5457
5458 case "$capstone" in
5459   "" | yes)
5460     if $pkg_config capstone; then
5461       capstone=system
5462     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5463       capstone=git
5464     elif test -e "${source_path}/capstone/Makefile" ; then
5465       capstone=internal
5466     elif test -z "$capstone" ; then
5467       capstone=no
5468     else
5469       feature_not_found "capstone" "Install capstone devel or git submodule"
5470     fi
5471     ;;
5472
5473   system)
5474     if ! $pkg_config capstone; then
5475       feature_not_found "capstone" "Install capstone devel"
5476     fi
5477     ;;
5478 esac
5479
5480 case "$capstone" in
5481   git | internal)
5482     if test "$capstone" = git; then
5483       git_submodules="${git_submodules} capstone"
5484     fi
5485     mkdir -p capstone
5486     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5487     if test "$mingw32" = "yes"; then
5488       LIBCAPSTONE=capstone.lib
5489     else
5490       LIBCAPSTONE=libcapstone.a
5491     fi
5492     libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5493     ;;
5494
5495   system)
5496     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5497     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5498     ;;
5499
5500   no)
5501     ;;
5502   *)
5503     error_exit "Unknown state for capstone: $capstone"
5504     ;;
5505 esac
5506
5507 ##########################################
5508 # check if we have fdatasync
5509
5510 fdatasync=no
5511 cat > $TMPC << EOF
5512 #include <unistd.h>
5513 int main(void) {
5514 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5515 return fdatasync(0);
5516 #else
5517 #error Not supported
5518 #endif
5519 }
5520 EOF
5521 if compile_prog "" "" ; then
5522     fdatasync=yes
5523 fi
5524
5525 ##########################################
5526 # check if we have madvise
5527
5528 madvise=no
5529 cat > $TMPC << EOF
5530 #include <sys/types.h>
5531 #include <sys/mman.h>
5532 #include <stddef.h>
5533 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5534 EOF
5535 if compile_prog "" "" ; then
5536     madvise=yes
5537 fi
5538
5539 ##########################################
5540 # check if we have posix_madvise
5541
5542 posix_madvise=no
5543 cat > $TMPC << EOF
5544 #include <sys/mman.h>
5545 #include <stddef.h>
5546 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5547 EOF
5548 if compile_prog "" "" ; then
5549     posix_madvise=yes
5550 fi
5551
5552 ##########################################
5553 # check if we have posix_memalign()
5554
5555 posix_memalign=no
5556 cat > $TMPC << EOF
5557 #include <stdlib.h>
5558 int main(void) {
5559     void *p;
5560     return posix_memalign(&p, 8, 8);
5561 }
5562 EOF
5563 if compile_prog "" "" ; then
5564     posix_memalign=yes
5565 fi
5566
5567 ##########################################
5568 # check if we have posix_syslog
5569
5570 posix_syslog=no
5571 cat > $TMPC << EOF
5572 #include <syslog.h>
5573 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5574 EOF
5575 if compile_prog "" "" ; then
5576     posix_syslog=yes
5577 fi
5578
5579 ##########################################
5580 # check if we have sem_timedwait
5581
5582 sem_timedwait=no
5583 cat > $TMPC << EOF
5584 #include <semaphore.h>
5585 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5586 EOF
5587 if compile_prog "" "" ; then
5588     sem_timedwait=yes
5589 fi
5590
5591 ##########################################
5592 # check if we have strchrnul
5593
5594 strchrnul=no
5595 cat > $TMPC << EOF
5596 #include <string.h>
5597 int main(void);
5598 // Use a haystack that the compiler shouldn't be able to constant fold
5599 char *haystack = (char*)&main;
5600 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5601 EOF
5602 if compile_prog "" "" ; then
5603     strchrnul=yes
5604 fi
5605
5606 #########################################
5607 # check if we have st_atim
5608
5609 st_atim=no
5610 cat > $TMPC << EOF
5611 #include <sys/stat.h>
5612 #include <stddef.h>
5613 int main(void) { return offsetof(struct stat, st_atim); }
5614 EOF
5615 if compile_prog "" "" ; then
5616     st_atim=yes
5617 fi
5618
5619 ##########################################
5620 # check if trace backend exists
5621
5622 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5623 if test "$?" -ne 0 ; then
5624   error_exit "invalid trace backends" \
5625       "Please choose supported trace backends."
5626 fi
5627
5628 ##########################################
5629 # For 'ust' backend, test if ust headers are present
5630 if have_backend "ust"; then
5631   cat > $TMPC << EOF
5632 #include <lttng/tracepoint.h>
5633 int main(void) { return 0; }
5634 EOF
5635   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5636     if $pkg_config lttng-ust --exists; then
5637       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5638     else
5639       lttng_ust_libs="-llttng-ust -ldl"
5640     fi
5641     if $pkg_config liburcu-bp --exists; then
5642       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5643     else
5644       urcu_bp_libs="-lurcu-bp"
5645     fi
5646
5647     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5648     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5649   else
5650     error_exit "Trace backend 'ust' missing lttng-ust header files"
5651   fi
5652 fi
5653
5654 ##########################################
5655 # For 'dtrace' backend, test if 'dtrace' command is present
5656 if have_backend "dtrace"; then
5657   if ! has 'dtrace' ; then
5658     error_exit "dtrace command is not found in PATH $PATH"
5659   fi
5660   trace_backend_stap="no"
5661   if has 'stap' ; then
5662     trace_backend_stap="yes"
5663   fi
5664 fi
5665
5666 ##########################################
5667 # check and set a backend for coroutine
5668
5669 # We prefer ucontext, but it's not always possible. The fallback
5670 # is sigcontext. On Windows the only valid backend is the Windows
5671 # specific one.
5672
5673 ucontext_works=no
5674 if test "$darwin" != "yes"; then
5675   cat > $TMPC << EOF
5676 #include <ucontext.h>
5677 #ifdef __stub_makecontext
5678 #error Ignoring glibc stub makecontext which will always fail
5679 #endif
5680 int main(void) { makecontext(0, 0, 0); return 0; }
5681 EOF
5682   if compile_prog "" "" ; then
5683     ucontext_works=yes
5684   fi
5685 fi
5686
5687 if test "$coroutine" = ""; then
5688   if test "$mingw32" = "yes"; then
5689     coroutine=win32
5690   elif test "$ucontext_works" = "yes"; then
5691     coroutine=ucontext
5692   else
5693     coroutine=sigaltstack
5694   fi
5695 else
5696   case $coroutine in
5697   windows)
5698     if test "$mingw32" != "yes"; then
5699       error_exit "'windows' coroutine backend only valid for Windows"
5700     fi
5701     # Unfortunately the user visible backend name doesn't match the
5702     # coroutine-*.c filename for this case, so we have to adjust it here.
5703     coroutine=win32
5704     ;;
5705   ucontext)
5706     if test "$ucontext_works" != "yes"; then
5707       feature_not_found "ucontext"
5708     fi
5709     ;;
5710   sigaltstack)
5711     if test "$mingw32" = "yes"; then
5712       error_exit "only the 'windows' coroutine backend is valid for Windows"
5713     fi
5714     ;;
5715   *)
5716     error_exit "unknown coroutine backend $coroutine"
5717     ;;
5718   esac
5719 fi
5720
5721 if test "$coroutine_pool" = ""; then
5722   coroutine_pool=yes
5723 fi
5724
5725 if test "$debug_stack_usage" = "yes"; then
5726   if test "$coroutine_pool" = "yes"; then
5727     echo "WARN: disabling coroutine pool for stack usage debugging"
5728     coroutine_pool=no
5729   fi
5730 fi
5731
5732 ##################################################
5733 # SafeStack
5734
5735
5736 if test "$safe_stack" = "yes"; then
5737 cat > $TMPC << EOF
5738 int main(int argc, char *argv[])
5739 {
5740 #if ! __has_feature(safe_stack)
5741 #error SafeStack Disabled
5742 #endif
5743     return 0;
5744 }
5745 EOF
5746   flag="-fsanitize=safe-stack"
5747   # Check that safe-stack is supported and enabled.
5748   if compile_prog "-Werror $flag" "$flag"; then
5749     # Flag needed both at compilation and at linking
5750     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5751     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5752   else
5753     error_exit "SafeStack not supported by your compiler"
5754   fi
5755   if test "$coroutine" != "ucontext"; then
5756     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5757   fi
5758 else
5759 cat > $TMPC << EOF
5760 int main(int argc, char *argv[])
5761 {
5762 #if defined(__has_feature)
5763 #if __has_feature(safe_stack)
5764 #error SafeStack Enabled
5765 #endif
5766 #endif
5767     return 0;
5768 }
5769 EOF
5770 if test "$safe_stack" = "no"; then
5771   # Make sure that safe-stack is disabled
5772   if ! compile_prog "-Werror" ""; then
5773     # SafeStack was already enabled, try to explicitly remove the feature
5774     flag="-fno-sanitize=safe-stack"
5775     if ! compile_prog "-Werror $flag" "$flag"; then
5776       error_exit "Configure cannot disable SafeStack"
5777     fi
5778     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5779     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5780   fi
5781 else # "$safe_stack" = ""
5782   # Set safe_stack to yes or no based on pre-existing flags
5783   if compile_prog "-Werror" ""; then
5784     safe_stack="no"
5785   else
5786     safe_stack="yes"
5787     if test "$coroutine" != "ucontext"; then
5788       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5789     fi
5790   fi
5791 fi
5792 fi
5793
5794 ##########################################
5795 # check if we have open_by_handle_at
5796
5797 open_by_handle_at=no
5798 cat > $TMPC << EOF
5799 #include <fcntl.h>
5800 #if !defined(AT_EMPTY_PATH)
5801 # error missing definition
5802 #else
5803 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5804 #endif
5805 EOF
5806 if compile_prog "" "" ; then
5807     open_by_handle_at=yes
5808 fi
5809
5810 ########################################
5811 # check if we have linux/magic.h
5812
5813 linux_magic_h=no
5814 cat > $TMPC << EOF
5815 #include <linux/magic.h>
5816 int main(void) {
5817   return 0;
5818 }
5819 EOF
5820 if compile_prog "" "" ; then
5821     linux_magic_h=yes
5822 fi
5823
5824 ########################################
5825 # check if we have valgrind/valgrind.h
5826
5827 valgrind_h=no
5828 cat > $TMPC << EOF
5829 #include <valgrind/valgrind.h>
5830 int main(void) {
5831   return 0;
5832 }
5833 EOF
5834 if compile_prog "" "" ; then
5835     valgrind_h=yes
5836 fi
5837
5838 ########################################
5839 # check if environ is declared
5840
5841 has_environ=no
5842 cat > $TMPC << EOF
5843 #include <unistd.h>
5844 int main(void) {
5845     environ = 0;
5846     return 0;
5847 }
5848 EOF
5849 if compile_prog "" "" ; then
5850     has_environ=yes
5851 fi
5852
5853 ########################################
5854 # check if cpuid.h is usable.
5855
5856 cat > $TMPC << EOF
5857 #include <cpuid.h>
5858 int main(void) {
5859     unsigned a, b, c, d;
5860     int max = __get_cpuid_max(0, 0);
5861
5862     if (max >= 1) {
5863         __cpuid(1, a, b, c, d);
5864     }
5865
5866     if (max >= 7) {
5867         __cpuid_count(7, 0, a, b, c, d);
5868     }
5869
5870     return 0;
5871 }
5872 EOF
5873 if compile_prog "" "" ; then
5874     cpuid_h=yes
5875 fi
5876
5877 ##########################################
5878 # avx2 optimization requirement check
5879 #
5880 # There is no point enabling this if cpuid.h is not usable,
5881 # since we won't be able to select the new routines.
5882
5883 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5884   cat > $TMPC << EOF
5885 #pragma GCC push_options
5886 #pragma GCC target("avx2")
5887 #include <cpuid.h>
5888 #include <immintrin.h>
5889 static int bar(void *a) {
5890     __m256i x = *(__m256i *)a;
5891     return _mm256_testz_si256(x, x);
5892 }
5893 int main(int argc, char *argv[]) { return bar(argv[0]); }
5894 EOF
5895   if compile_object "" ; then
5896     avx2_opt="yes"
5897   else
5898     avx2_opt="no"
5899   fi
5900 fi
5901
5902 ##########################################
5903 # avx512f optimization requirement check
5904 #
5905 # There is no point enabling this if cpuid.h is not usable,
5906 # since we won't be able to select the new routines.
5907 # by default, it is turned off.
5908 # if user explicitly want to enable it, check environment
5909
5910 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5911   cat > $TMPC << EOF
5912 #pragma GCC push_options
5913 #pragma GCC target("avx512f")
5914 #include <cpuid.h>
5915 #include <immintrin.h>
5916 static int bar(void *a) {
5917     __m512i x = *(__m512i *)a;
5918     return _mm512_test_epi64_mask(x, x);
5919 }
5920 int main(int argc, char *argv[])
5921 {
5922         return bar(argv[0]);
5923 }
5924 EOF
5925   if ! compile_object "" ; then
5926     avx512f_opt="no"
5927   fi
5928 else
5929   avx512f_opt="no"
5930 fi
5931
5932 ########################################
5933 # check if __[u]int128_t is usable.
5934
5935 int128=no
5936 cat > $TMPC << EOF
5937 __int128_t a;
5938 __uint128_t b;
5939 int main (void) {
5940   a = a + b;
5941   b = a * b;
5942   a = a * a;
5943   return 0;
5944 }
5945 EOF
5946 if compile_prog "" "" ; then
5947     int128=yes
5948 fi
5949
5950 #########################################
5951 # See if 128-bit atomic operations are supported.
5952
5953 atomic128=no
5954 if test "$int128" = "yes"; then
5955   cat > $TMPC << EOF
5956 int main(void)
5957 {
5958   unsigned __int128 x = 0, y = 0;
5959   y = __atomic_load_16(&x, 0);
5960   __atomic_store_16(&x, y, 0);
5961   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5962   return 0;
5963 }
5964 EOF
5965   if compile_prog "" "" ; then
5966     atomic128=yes
5967   fi
5968 fi
5969
5970 cmpxchg128=no
5971 if test "$int128" = yes && test "$atomic128" = no; then
5972   cat > $TMPC << EOF
5973 int main(void)
5974 {
5975   unsigned __int128 x = 0, y = 0;
5976   __sync_val_compare_and_swap_16(&x, y, x);
5977   return 0;
5978 }
5979 EOF
5980   if compile_prog "" "" ; then
5981     cmpxchg128=yes
5982   fi
5983 fi
5984
5985 #########################################
5986 # See if 64-bit atomic operations are supported.
5987 # Note that without __atomic builtins, we can only
5988 # assume atomic loads/stores max at pointer size.
5989
5990 cat > $TMPC << EOF
5991 #include <stdint.h>
5992 int main(void)
5993 {
5994   uint64_t x = 0, y = 0;
5995 #ifdef __ATOMIC_RELAXED
5996   y = __atomic_load_8(&x, 0);
5997   __atomic_store_8(&x, y, 0);
5998   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5999   __atomic_exchange_8(&x, y, 0);
6000   __atomic_fetch_add_8(&x, y, 0);
6001 #else
6002   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
6003   __sync_lock_test_and_set(&x, y);
6004   __sync_val_compare_and_swap(&x, y, 0);
6005   __sync_fetch_and_add(&x, y);
6006 #endif
6007   return 0;
6008 }
6009 EOF
6010 if compile_prog "" "" ; then
6011   atomic64=yes
6012 fi
6013
6014 #########################################
6015 # See if --dynamic-list is supported by the linker
6016 ld_dynamic_list="no"
6017 if test "$static" = "no" ; then
6018     cat > $TMPTXT <<EOF
6019 {
6020   foo;
6021 };
6022 EOF
6023
6024     cat > $TMPC <<EOF
6025 #include <stdio.h>
6026 void foo(void);
6027
6028 void foo(void)
6029 {
6030   printf("foo\n");
6031 }
6032
6033 int main(void)
6034 {
6035   foo();
6036   return 0;
6037 }
6038 EOF
6039
6040     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6041         ld_dynamic_list="yes"
6042     fi
6043 fi
6044
6045 #########################################
6046 # See if -exported_symbols_list is supported by the linker
6047
6048 ld_exported_symbols_list="no"
6049 if test "$static" = "no" ; then
6050     cat > $TMPTXT <<EOF
6051   _foo
6052 EOF
6053
6054     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6055         ld_exported_symbols_list="yes"
6056     fi
6057 fi
6058
6059 if  test "$plugins" = "yes" &&
6060     test "$ld_dynamic_list" = "no" &&
6061     test "$ld_exported_symbols_list" = "no" ; then
6062   error_exit \
6063       "Plugin support requires dynamic linking and specifying a set of symbols " \
6064       "that are exported to plugins. Unfortunately your linker doesn't " \
6065       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6066       "for this purpose. You can't build with --static."
6067 fi
6068
6069 ########################################
6070 # See if __attribute__((alias)) is supported.
6071 # This false for Xcode 9, but has been remedied for Xcode 10.
6072 # Unfortunately, travis uses Xcode 9 by default.
6073
6074 attralias=no
6075 cat > $TMPC << EOF
6076 int x = 1;
6077 extern const int y __attribute__((alias("x")));
6078 int main(void) { return 0; }
6079 EOF
6080 if compile_prog "" "" ; then
6081     attralias=yes
6082 fi
6083
6084 ########################################
6085 # check if getauxval is available.
6086
6087 getauxval=no
6088 cat > $TMPC << EOF
6089 #include <sys/auxv.h>
6090 int main(void) {
6091   return getauxval(AT_HWCAP) == 0;
6092 }
6093 EOF
6094 if compile_prog "" "" ; then
6095     getauxval=yes
6096 fi
6097
6098 ########################################
6099 # check if ccache is interfering with
6100 # semantic analysis of macros
6101
6102 unset CCACHE_CPP2
6103 ccache_cpp2=no
6104 cat > $TMPC << EOF
6105 static const int Z = 1;
6106 #define fn() ({ Z; })
6107 #define TAUT(X) ((X) == Z)
6108 #define PAREN(X, Y) (X == Y)
6109 #define ID(X) (X)
6110 int main(int argc, char *argv[])
6111 {
6112     int x = 0, y = 0;
6113     x = ID(x);
6114     x = fn();
6115     fn();
6116     if (PAREN(x, y)) return 0;
6117     if (TAUT(Z)) return 0;
6118     return 0;
6119 }
6120 EOF
6121
6122 if ! compile_object "-Werror"; then
6123     ccache_cpp2=yes
6124 fi
6125
6126 #################################################
6127 # clang does not support glibc + FORTIFY_SOURCE.
6128
6129 if test "$fortify_source" != "no"; then
6130   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6131     fortify_source="no";
6132   elif test -n "$cxx" && has $cxx &&
6133        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6134     fortify_source="no";
6135   else
6136     fortify_source="yes"
6137   fi
6138 fi
6139
6140 ###############################################
6141 # Check if copy_file_range is provided by glibc
6142 have_copy_file_range=no
6143 cat > $TMPC << EOF
6144 #include <unistd.h>
6145 int main(void) {
6146   copy_file_range(0, NULL, 0, NULL, 0, 0);
6147   return 0;
6148 }
6149 EOF
6150 if compile_prog "" "" ; then
6151     have_copy_file_range=yes
6152 fi
6153
6154 ##########################################
6155 # check if struct fsxattr is available via linux/fs.h
6156
6157 have_fsxattr=no
6158 cat > $TMPC << EOF
6159 #include <linux/fs.h>
6160 struct fsxattr foo;
6161 int main(void) {
6162   return 0;
6163 }
6164 EOF
6165 if compile_prog "" "" ; then
6166     have_fsxattr=yes
6167 fi
6168
6169 ##########################################
6170 # check for usable membarrier system call
6171 if test "$membarrier" = "yes"; then
6172     have_membarrier=no
6173     if test "$mingw32" = "yes" ; then
6174         have_membarrier=yes
6175     elif test "$linux" = "yes" ; then
6176         cat > $TMPC << EOF
6177     #include <linux/membarrier.h>
6178     #include <sys/syscall.h>
6179     #include <unistd.h>
6180     #include <stdlib.h>
6181     int main(void) {
6182         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6183         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6184         exit(0);
6185     }
6186 EOF
6187         if compile_prog "" "" ; then
6188             have_membarrier=yes
6189         fi
6190     fi
6191     if test "$have_membarrier" = "no"; then
6192       feature_not_found "membarrier" "membarrier system call not available"
6193     fi
6194 else
6195     # Do not enable it by default even for Mingw32, because it doesn't
6196     # work on Wine.
6197     membarrier=no
6198 fi
6199
6200 ##########################################
6201 # check if rtnetlink.h exists and is useful
6202 have_rtnetlink=no
6203 cat > $TMPC << EOF
6204 #include <linux/rtnetlink.h>
6205 int main(void) {
6206   return IFLA_PROTO_DOWN;
6207 }
6208 EOF
6209 if compile_prog "" "" ; then
6210     have_rtnetlink=yes
6211 fi
6212
6213 ##########################################
6214 # check for usable AF_VSOCK environment
6215 have_af_vsock=no
6216 cat > $TMPC << EOF
6217 #include <errno.h>
6218 #include <sys/types.h>
6219 #include <sys/socket.h>
6220 #if !defined(AF_VSOCK)
6221 # error missing AF_VSOCK flag
6222 #endif
6223 #include <linux/vm_sockets.h>
6224 int main(void) {
6225     int sock, ret;
6226     struct sockaddr_vm svm;
6227     socklen_t len = sizeof(svm);
6228     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6229     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6230     if ((ret == -1) && (errno == ENOTCONN)) {
6231         return 0;
6232     }
6233     return -1;
6234 }
6235 EOF
6236 if compile_prog "" "" ; then
6237     have_af_vsock=yes
6238 fi
6239
6240 ##########################################
6241 # check for usable AF_ALG environment
6242 have_afalg=no
6243 cat > $TMPC << EOF
6244 #include <errno.h>
6245 #include <sys/types.h>
6246 #include <sys/socket.h>
6247 #include <linux/if_alg.h>
6248 int main(void) {
6249     int sock;
6250     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6251     return sock;
6252 }
6253 EOF
6254 if compile_prog "" "" ; then
6255     have_afalg=yes
6256 fi
6257 if test "$crypto_afalg" = "yes"
6258 then
6259     if test "$have_afalg" != "yes"
6260     then
6261         error_exit "AF_ALG requested but could not be detected"
6262     fi
6263 fi
6264
6265
6266 #################################################
6267 # Check to see if we have the Hypervisor framework
6268 if [ "$darwin" = "yes" ] ; then
6269   cat > $TMPC << EOF
6270 #include <Hypervisor/hv.h>
6271 int main() { return 0;}
6272 EOF
6273   if ! compile_object ""; then
6274     hvf='no'
6275   else
6276     hvf='yes'
6277     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6278   fi
6279 fi
6280
6281 #################################################
6282 # Sparc implicitly links with --relax, which is
6283 # incompatible with -r, so --no-relax should be
6284 # given. It does no harm to give it on other
6285 # platforms too.
6286
6287 # Note: the prototype is needed since QEMU_CFLAGS
6288 #       contains -Wmissing-prototypes
6289 cat > $TMPC << EOF
6290 extern int foo(void);
6291 int foo(void) { return 0; }
6292 EOF
6293 if ! compile_object ""; then
6294   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6295 fi
6296 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6297   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6298     LD_REL_FLAGS=$i
6299     break
6300   fi
6301 done
6302 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6303   feature_not_found "modules" "Cannot find how to build relocatable objects"
6304 fi
6305
6306 ##########################################
6307 # check for sysmacros.h
6308
6309 have_sysmacros=no
6310 cat > $TMPC << EOF
6311 #include <sys/sysmacros.h>
6312 int main(void) {
6313     return makedev(0, 0);
6314 }
6315 EOF
6316 if compile_prog "" "" ; then
6317     have_sysmacros=yes
6318 fi
6319
6320 ##########################################
6321 # check for _Static_assert()
6322
6323 have_static_assert=no
6324 cat > $TMPC << EOF
6325 _Static_assert(1, "success");
6326 int main(void) {
6327     return 0;
6328 }
6329 EOF
6330 if compile_prog "" "" ; then
6331     have_static_assert=yes
6332 fi
6333
6334 ##########################################
6335 # check for utmpx.h, it is missing e.g. on OpenBSD
6336
6337 have_utmpx=no
6338 cat > $TMPC << EOF
6339 #include <utmpx.h>
6340 struct utmpx user_info;
6341 int main(void) {
6342     return 0;
6343 }
6344 EOF
6345 if compile_prog "" "" ; then
6346     have_utmpx=yes
6347 fi
6348
6349 ##########################################
6350 # check for getrandom()
6351
6352 have_getrandom=no
6353 cat > $TMPC << EOF
6354 #include <sys/random.h>
6355 int main(void) {
6356     return getrandom(0, 0, GRND_NONBLOCK);
6357 }
6358 EOF
6359 if compile_prog "" "" ; then
6360     have_getrandom=yes
6361 fi
6362
6363 ##########################################
6364 # checks for sanitizers
6365
6366 have_asan=no
6367 have_ubsan=no
6368 have_asan_iface_h=no
6369 have_asan_iface_fiber=no
6370
6371 if test "$sanitizers" = "yes" ; then
6372   write_c_skeleton
6373   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6374       have_asan=yes
6375   fi
6376
6377   # we could use a simple skeleton for flags checks, but this also
6378   # detect the static linking issue of ubsan, see also:
6379   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6380   cat > $TMPC << EOF
6381 #include <stdlib.h>
6382 int main(void) {
6383     void *tmp = malloc(10);
6384     if (tmp != NULL) {
6385         return *(int *)(tmp + 2);
6386     }
6387     return 1;
6388 }
6389 EOF
6390   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6391       have_ubsan=yes
6392   fi
6393
6394   if check_include "sanitizer/asan_interface.h" ; then
6395       have_asan_iface_h=yes
6396   fi
6397
6398   cat > $TMPC << EOF
6399 #include <sanitizer/asan_interface.h>
6400 int main(void) {
6401   __sanitizer_start_switch_fiber(0, 0, 0);
6402   return 0;
6403 }
6404 EOF
6405   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6406       have_asan_iface_fiber=yes
6407   fi
6408 fi
6409
6410 ##########################################
6411 # checks for fuzzer
6412 if test "$fuzzing" = "yes" ; then
6413   write_c_fuzzer_skeleton
6414   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6415       have_fuzzer=yes
6416   fi
6417 fi
6418
6419 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6420 # keep it separate until that is not the case.
6421 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6422   error_exit "TSAN is not supported with other sanitiziers."
6423 fi
6424 have_tsan=no
6425 have_tsan_iface_fiber=no
6426 if test "$tsan" = "yes" ; then
6427   write_c_skeleton
6428   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6429       have_tsan=yes
6430   fi
6431   cat > $TMPC << EOF
6432 #include <sanitizer/tsan_interface.h>
6433 int main(void) {
6434   __tsan_create_fiber(0);
6435   return 0;
6436 }
6437 EOF
6438   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6439       have_tsan_iface_fiber=yes
6440   fi
6441 fi
6442
6443 ##########################################
6444 # check for libpmem
6445
6446 if test "$libpmem" != "no"; then
6447         if $pkg_config --exists "libpmem"; then
6448                 libpmem="yes"
6449                 libpmem_libs=$($pkg_config --libs libpmem)
6450                 libpmem_cflags=$($pkg_config --cflags libpmem)
6451                 libs_softmmu="$libs_softmmu $libpmem_libs"
6452                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6453         else
6454                 if test "$libpmem" = "yes" ; then
6455                         feature_not_found "libpmem" "Install nvml or pmdk"
6456                 fi
6457                 libpmem="no"
6458         fi
6459 fi
6460
6461 ##########################################
6462 # check for libdaxctl
6463
6464 if test "$libdaxctl" != "no"; then
6465         if $pkg_config --atleast-version=57 "libdaxctl"; then
6466                 libdaxctl="yes"
6467                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6468                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6469                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6470                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6471         else
6472                 if test "$libdaxctl" = "yes" ; then
6473                         feature_not_found "libdaxctl" "Install libdaxctl"
6474                 fi
6475                 libdaxctl="no"
6476         fi
6477 fi
6478
6479 ##########################################
6480 # check for slirp
6481
6482 # slirp is only required when building softmmu targets
6483 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6484     slirp="no"
6485 fi
6486
6487 case "$slirp" in
6488   "" | yes)
6489     if $pkg_config slirp; then
6490       slirp=system
6491     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6492       slirp=git
6493     elif test -e "${source_path}/slirp/Makefile" ; then
6494       slirp=internal
6495     elif test -z "$slirp" ; then
6496       slirp=no
6497     else
6498       feature_not_found "slirp" "Install slirp devel or git submodule"
6499     fi
6500     ;;
6501
6502   system)
6503     if ! $pkg_config slirp; then
6504       feature_not_found "slirp" "Install slirp devel"
6505     fi
6506     ;;
6507 esac
6508
6509 case "$slirp" in
6510   git | internal)
6511     if test "$slirp" = git; then
6512       git_submodules="${git_submodules} slirp"
6513     fi
6514     mkdir -p slirp
6515     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6516     slirp_libs="-L$PWD/slirp -lslirp"
6517     if test "$mingw32" = "yes" ; then
6518       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6519     fi
6520     ;;
6521
6522   system)
6523     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6524     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6525     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6526     ;;
6527
6528   no)
6529     ;;
6530   *)
6531     error_exit "Unknown state for slirp: $slirp"
6532     ;;
6533 esac
6534
6535 ##########################################
6536 # check for usable __NR_keyctl syscall
6537
6538 if test "$linux" = "yes" ; then
6539
6540     have_keyring=no
6541     cat > $TMPC << EOF
6542 #include <errno.h>
6543 #include <asm/unistd.h>
6544 #include <linux/keyctl.h>
6545 #include <unistd.h>
6546 int main(void) {
6547     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6548 }
6549 EOF
6550     if compile_prog "" "" ; then
6551         have_keyring=yes
6552     fi
6553 fi
6554 if test "$secret_keyring" != "no"
6555 then
6556     if test "$have_keyring" = "yes"
6557     then
6558         secret_keyring=yes
6559     else
6560         if test "$secret_keyring" = "yes"
6561         then
6562             error_exit "syscall __NR_keyctl requested, \
6563 but not implemented on your system"
6564         else
6565             secret_keyring=no
6566         fi
6567     fi
6568 fi
6569
6570 ##########################################
6571 # check for usable keyutils.h
6572
6573 if test "$linux" = "yes" ; then
6574
6575     have_keyutils=no
6576     cat > $TMPC << EOF
6577 #include <errno.h>
6578 #include <asm/unistd.h>
6579 #include <unistd.h>
6580 #include <sys/types.h>
6581 #include <keyutils.h>
6582 int main(void) {
6583     return request_key("user", NULL, NULL, 0);
6584 }
6585 EOF
6586     if compile_prog "" "-lkeyutils"; then
6587         have_keyutils=yes
6588     fi
6589 fi
6590
6591
6592 ##########################################
6593 # End of CC checks
6594 # After here, no more $cc or $ld runs
6595
6596 write_c_skeleton
6597
6598 if test "$gcov" = "yes" ; then
6599   :
6600 elif test "$fortify_source" = "yes" ; then
6601   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6602   debug=no
6603 fi
6604 if test "$debug_info" = "yes"; then
6605   CFLAGS="-g $CFLAGS"
6606   LDFLAGS="-g $LDFLAGS"
6607 fi
6608 if test "$debug" = "no"; then
6609   CFLAGS="-O2 $CFLAGS"
6610 fi
6611
6612 case "$ARCH" in
6613 alpha)
6614   # Ensure there's only a single GP
6615   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6616 ;;
6617 esac
6618
6619 if test "$gprof" = "yes" ; then
6620   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6621   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6622 fi
6623
6624 if test "$have_asan" = "yes"; then
6625   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6626   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6627   if test "$have_asan_iface_h" = "no" ; then
6628       echo "ASAN build enabled, but ASAN header missing." \
6629            "Without code annotation, the report may be inferior."
6630   elif test "$have_asan_iface_fiber" = "no" ; then
6631       echo "ASAN build enabled, but ASAN header is too old." \
6632            "Without code annotation, the report may be inferior."
6633   fi
6634 fi
6635 if test "$have_tsan" = "yes" ; then
6636   if test "$have_tsan_iface_fiber" = "yes" ; then
6637     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6638     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6639   else
6640     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6641   fi
6642 elif test "$tsan" = "yes" ; then
6643   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6644 fi
6645 if test "$have_ubsan" = "yes"; then
6646   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6647   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6648 fi
6649
6650 ##########################################
6651 # Do we have libnfs
6652 if test "$libnfs" != "no" ; then
6653   if $pkg_config --atleast-version=1.9.3 libnfs; then
6654     libnfs="yes"
6655     libnfs_libs=$($pkg_config --libs libnfs)
6656   else
6657     if test "$libnfs" = "yes" ; then
6658       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6659     fi
6660     libnfs="no"
6661   fi
6662 fi
6663
6664 ##########################################
6665 # Do we have libudev
6666 if test "$libudev" != "no" ; then
6667   if $pkg_config libudev && test "$static" != "yes"; then
6668     libudev="yes"
6669     libudev_libs=$($pkg_config --libs libudev)
6670   else
6671     libudev="no"
6672   fi
6673 fi
6674
6675 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6676 if test "$werror" = "yes"; then
6677     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6678 fi
6679
6680 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6681 if test "$solaris" = "no" && test "$tsan" = "no"; then
6682     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6683         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6684     fi
6685 fi
6686
6687 # test if pod2man has --utf8 option
6688 if pod2man --help | grep -q utf8; then
6689     POD2MAN="pod2man --utf8"
6690 else
6691     POD2MAN="pod2man"
6692 fi
6693
6694 # Use ASLR, no-SEH and DEP if available
6695 if test "$mingw32" = "yes" ; then
6696     for flag in --dynamicbase --no-seh --nxcompat; do
6697         if ld_has $flag ; then
6698             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6699         fi
6700     done
6701 fi
6702
6703 # Disable OpenBSD W^X if available
6704 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6705     cat > $TMPC <<EOF
6706     int main(void) { return 0; }
6707 EOF
6708     wx_ldflags="-Wl,-z,wxneeded"
6709     if compile_prog "" "$wx_ldflags"; then
6710         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6711     fi
6712 fi
6713
6714 qemu_confdir=$sysconfdir$confsuffix
6715 qemu_moddir=$libdir$confsuffix
6716 qemu_datadir=$datadir$confsuffix
6717 qemu_localedir="$datadir/locale"
6718 qemu_icondir="$datadir/icons"
6719 qemu_desktopdir="$datadir/applications"
6720
6721 # We can only support ivshmem if we have eventfd
6722 if [ "$eventfd" = "yes" ]; then
6723   ivshmem=yes
6724 fi
6725
6726 tools=""
6727 if test "$want_tools" = "yes" ; then
6728   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6729   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6730     tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6731   fi
6732   if [ "$ivshmem" = "yes" ]; then
6733     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6734   fi
6735   if [ "$curl" = "yes" ]; then
6736       tools="elf2dmp\$(EXESUF) $tools"
6737   fi
6738 fi
6739 if test "$softmmu" = yes ; then
6740   if test "$linux" = yes; then
6741     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6742       virtfs=yes
6743       helpers="$helpers fsdev/virtfs-proxy-helper\$(EXESUF)"
6744     else
6745       if test "$virtfs" = yes; then
6746         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6747       fi
6748       virtfs=no
6749     fi
6750     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6751       mpath=yes
6752     else
6753       if test "$mpath" = yes; then
6754         error_exit "Multipath requires libmpathpersist devel"
6755       fi
6756       mpath=no
6757     fi
6758     helpers="$helpers scsi/qemu-pr-helper\$(EXESUF)"
6759   else
6760     if test "$virtfs" = yes; then
6761       error_exit "VirtFS is supported only on Linux"
6762     fi
6763     virtfs=no
6764     if test "$mpath" = yes; then
6765       error_exit "Multipath is supported only on Linux"
6766     fi
6767     mpath=no
6768   fi
6769   if test "$xkbcommon" = "yes"; then
6770     tools="qemu-keymap\$(EXESUF) $tools"
6771   fi
6772 fi
6773
6774 # Probe for guest agent support/options
6775
6776 if [ "$guest_agent" != "no" ]; then
6777   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6778       guest_agent=no
6779   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6780       tools="qemu-ga\$(EXESUF) $tools"
6781       guest_agent=yes
6782   elif [ "$guest_agent" != yes ]; then
6783       guest_agent=no
6784   else
6785       error_exit "Guest agent is not supported on this platform"
6786   fi
6787 fi
6788
6789 # Guest agent Window MSI  package
6790
6791 if test "$guest_agent" != yes; then
6792   if test "$guest_agent_msi" = yes; then
6793     error_exit "MSI guest agent package requires guest agent enabled"
6794   fi
6795   guest_agent_msi=no
6796 elif test "$mingw32" != "yes"; then
6797   if test "$guest_agent_msi" = "yes"; then
6798     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6799   fi
6800   guest_agent_msi=no
6801 elif ! has wixl; then
6802   if test "$guest_agent_msi" = "yes"; then
6803     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6804   fi
6805   guest_agent_msi=no
6806 else
6807   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6808   # disabled explicitly
6809   if test "$guest_agent_msi" != "no"; then
6810     guest_agent_msi=yes
6811   fi
6812 fi
6813
6814 if test "$guest_agent_msi" = "yes"; then
6815   if test "$guest_agent_with_vss" = "yes"; then
6816     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6817   fi
6818
6819   if test "$QEMU_GA_MANUFACTURER" = ""; then
6820     QEMU_GA_MANUFACTURER=QEMU
6821   fi
6822
6823   if test "$QEMU_GA_DISTRO" = ""; then
6824     QEMU_GA_DISTRO=Linux
6825   fi
6826
6827   if test "$QEMU_GA_VERSION" = ""; then
6828       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6829   fi
6830
6831   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6832
6833   case "$cpu" in
6834   x86_64)
6835     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6836     ;;
6837   i386)
6838     QEMU_GA_MSI_ARCH="-D Arch=32"
6839     ;;
6840   *)
6841     error_exit "CPU $cpu not supported for building installation package"
6842     ;;
6843   esac
6844 fi
6845
6846 # Mac OS X ships with a broken assembler
6847 roms=
6848 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6849         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6850         test "$softmmu" = yes ; then
6851     # Different host OS linkers have different ideas about the name of the ELF
6852     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6853     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6854     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6855         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6856             ld_i386_emulation="$emu"
6857             roms="optionrom"
6858             break
6859         fi
6860     done
6861 fi
6862
6863 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6864 if test "$cpu" = "s390x" ; then
6865   write_c_skeleton
6866   if compile_prog "-march=z900" ""; then
6867     roms="$roms s390-ccw"
6868     # SLOF is required for building the s390-ccw firmware on s390x,
6869     # since it is using the libnet code from SLOF for network booting.
6870     if test -e "${source_path}/.git" ; then
6871       git_submodules="${git_submodules} roms/SLOF"
6872     fi
6873   fi
6874 fi
6875
6876 # Check that the C++ compiler exists and works with the C compiler.
6877 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6878 if has $cxx; then
6879     cat > $TMPC <<EOF
6880 int c_function(void);
6881 int main(void) { return c_function(); }
6882 EOF
6883
6884     compile_object
6885
6886     cat > $TMPCXX <<EOF
6887 extern "C" {
6888    int c_function(void);
6889 }
6890 int c_function(void) { return 42; }
6891 EOF
6892
6893     update_cxxflags
6894
6895     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6896         # C++ compiler $cxx works ok with C compiler $cc
6897         :
6898     else
6899         echo "C++ compiler $cxx does not work with C compiler $cc"
6900         echo "Disabling C++ specific optional code"
6901         cxx=
6902     fi
6903 else
6904     echo "No C++ compiler available; disabling C++ specific optional code"
6905     cxx=
6906 fi
6907
6908 echo_version() {
6909     if test "$1" = "yes" ; then
6910         echo "($2)"
6911     fi
6912 }
6913
6914 # prepend pixman and ftd flags after all config tests are done
6915 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6916 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6917 libs_softmmu="$pixman_libs $libs_softmmu"
6918
6919 config_host_mak="config-host.mak"
6920
6921 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6922
6923 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6924 echo >> $config_host_mak
6925
6926 echo all: >> $config_host_mak
6927 echo "prefix=$prefix" >> $config_host_mak
6928 echo "bindir=$bindir" >> $config_host_mak
6929 echo "libdir=$libdir" >> $config_host_mak
6930 echo "libexecdir=$libexecdir" >> $config_host_mak
6931 echo "includedir=$includedir" >> $config_host_mak
6932 echo "mandir=$mandir" >> $config_host_mak
6933 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6934 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6935 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6936 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6937 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6938 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6939 if test "$mingw32" = "no" ; then
6940   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6941 fi
6942 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6943 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6944 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6945 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6946 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6947 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6948 echo "GIT=$git" >> $config_host_mak
6949 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6950 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6951
6952 echo "ARCH=$ARCH" >> $config_host_mak
6953
6954 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6955 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6956
6957 if test "$default_devices" = "yes" ; then
6958   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6959 else
6960   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6961 fi
6962 if test "$debug_tcg" = "yes" ; then
6963   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6964 fi
6965 if test "$strip_opt" = "yes" ; then
6966   echo "STRIP=${strip}" >> $config_host_mak
6967 fi
6968 if test "$bigendian" = "yes" ; then
6969   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6970 fi
6971 if test "$mingw32" = "yes" ; then
6972   echo "CONFIG_WIN32=y" >> $config_host_mak
6973   rc_version=$(cat $source_path/VERSION)
6974   version_major=${rc_version%%.*}
6975   rc_version=${rc_version#*.}
6976   version_minor=${rc_version%%.*}
6977   rc_version=${rc_version#*.}
6978   version_subminor=${rc_version%%.*}
6979   version_micro=0
6980   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6981   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6982   if test "$guest_agent_with_vss" = "yes" ; then
6983     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6984     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6985     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6986   fi
6987   if test "$guest_agent_ntddscsi" = "yes" ; then
6988     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6989   fi
6990   if test "$guest_agent_msi" = "yes"; then
6991     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6992     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6993     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6994     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6995     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6996     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6997     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6998   fi
6999 else
7000   echo "CONFIG_POSIX=y" >> $config_host_mak
7001 fi
7002
7003 if test "$linux" = "yes" ; then
7004   echo "CONFIG_LINUX=y" >> $config_host_mak
7005 fi
7006
7007 if test "$darwin" = "yes" ; then
7008   echo "CONFIG_DARWIN=y" >> $config_host_mak
7009 fi
7010
7011 if test "$solaris" = "yes" ; then
7012   echo "CONFIG_SOLARIS=y" >> $config_host_mak
7013 fi
7014 if test "$haiku" = "yes" ; then
7015   echo "CONFIG_HAIKU=y" >> $config_host_mak
7016 fi
7017 if test "$static" = "yes" ; then
7018   echo "CONFIG_STATIC=y" >> $config_host_mak
7019 fi
7020 if test "$profiler" = "yes" ; then
7021   echo "CONFIG_PROFILER=y" >> $config_host_mak
7022 fi
7023 if test "$want_tools" = "yes" ; then
7024   echo "CONFIG_TOOLS=y" >> $config_host_mak
7025 fi
7026 if test "$slirp" != "no"; then
7027   echo "CONFIG_SLIRP=y" >> $config_host_mak
7028   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7029   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7030   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7031 fi
7032 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7033     echo "config-host.h: slirp/all" >> $config_host_mak
7034 fi
7035 if test "$vde" = "yes" ; then
7036   echo "CONFIG_VDE=y" >> $config_host_mak
7037   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7038 fi
7039 if test "$netmap" = "yes" ; then
7040   echo "CONFIG_NETMAP=y" >> $config_host_mak
7041 fi
7042 if test "$l2tpv3" = "yes" ; then
7043   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7044 fi
7045 if test "$gprof" = "yes" ; then
7046   echo "CONFIG_GPROF=y" >> $config_host_mak
7047 fi
7048 if test "$cap_ng" = "yes" ; then
7049   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7050 fi
7051 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7052 for drv in $audio_drv_list; do
7053     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7054     case "$drv" in
7055         alsa | oss | pa | sdl)
7056             echo "$def=m" >> $config_host_mak ;;
7057         *)
7058             echo "$def=y" >> $config_host_mak ;;
7059     esac
7060 done
7061 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7062 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7063 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7064 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7065 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7066 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7067 if test "$audio_win_int" = "yes" ; then
7068   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7069 fi
7070 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7071 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7072 if test "$vnc" = "yes" ; then
7073   echo "CONFIG_VNC=y" >> $config_host_mak
7074 fi
7075 if test "$vnc_sasl" = "yes" ; then
7076   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7077 fi
7078 if test "$vnc_jpeg" = "yes" ; then
7079   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7080 fi
7081 if test "$vnc_png" = "yes" ; then
7082   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7083 fi
7084 if test "$xkbcommon" = "yes" ; then
7085   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7086   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7087 fi
7088 if test "$xfs" = "yes" ; then
7089   echo "CONFIG_XFS=y" >> $config_host_mak
7090 fi
7091 qemu_version=$(head $source_path/VERSION)
7092 echo "VERSION=$qemu_version" >>$config_host_mak
7093 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7094 echo "SRC_PATH=$source_path" >> $config_host_mak
7095 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7096 if [ "$docs" = "yes" ] ; then
7097   echo "BUILD_DOCS=yes" >> $config_host_mak
7098 fi
7099 if test "$modules" = "yes"; then
7100   # $shacmd can generate a hash started with digit, which the compiler doesn't
7101   # like as an symbol. So prefix it with an underscore
7102   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7103   echo "CONFIG_MODULES=y" >> $config_host_mak
7104 fi
7105 if test "$module_upgrades" = "yes"; then
7106   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7107 fi
7108 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7109   echo "CONFIG_X11=y" >> $config_host_mak
7110   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7111   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7112 fi
7113 if test "$sdl" = "yes" ; then
7114   echo "CONFIG_SDL=m" >> $config_host_mak
7115   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7116   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7117   if test "$sdl_image" = "yes" ; then
7118       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7119   fi
7120 fi
7121 if test "$cocoa" = "yes" ; then
7122   echo "CONFIG_COCOA=y" >> $config_host_mak
7123 fi
7124 if test "$iconv" = "yes" ; then
7125   echo "CONFIG_ICONV=y" >> $config_host_mak
7126   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7127   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7128 fi
7129 if test "$curses" = "yes" ; then
7130   echo "CONFIG_CURSES=m" >> $config_host_mak
7131   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7132   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7133 fi
7134 if test "$pipe2" = "yes" ; then
7135   echo "CONFIG_PIPE2=y" >> $config_host_mak
7136 fi
7137 if test "$accept4" = "yes" ; then
7138   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7139 fi
7140 if test "$splice" = "yes" ; then
7141   echo "CONFIG_SPLICE=y" >> $config_host_mak
7142 fi
7143 if test "$eventfd" = "yes" ; then
7144   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7145 fi
7146 if test "$memfd" = "yes" ; then
7147   echo "CONFIG_MEMFD=y" >> $config_host_mak
7148 fi
7149 if test "$have_usbfs" = "yes" ; then
7150   echo "CONFIG_USBFS=y" >> $config_host_mak
7151 fi
7152 if test "$fallocate" = "yes" ; then
7153   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7154 fi
7155 if test "$fallocate_punch_hole" = "yes" ; then
7156   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7157 fi
7158 if test "$fallocate_zero_range" = "yes" ; then
7159   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7160 fi
7161 if test "$posix_fallocate" = "yes" ; then
7162   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7163 fi
7164 if test "$sync_file_range" = "yes" ; then
7165   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7166 fi
7167 if test "$fiemap" = "yes" ; then
7168   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7169 fi
7170 if test "$dup3" = "yes" ; then
7171   echo "CONFIG_DUP3=y" >> $config_host_mak
7172 fi
7173 if test "$ppoll" = "yes" ; then
7174   echo "CONFIG_PPOLL=y" >> $config_host_mak
7175 fi
7176 if test "$prctl_pr_set_timerslack" = "yes" ; then
7177   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7178 fi
7179 if test "$epoll" = "yes" ; then
7180   echo "CONFIG_EPOLL=y" >> $config_host_mak
7181 fi
7182 if test "$epoll_create1" = "yes" ; then
7183   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7184 fi
7185 if test "$sendfile" = "yes" ; then
7186   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7187 fi
7188 if test "$timerfd" = "yes" ; then
7189   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7190 fi
7191 if test "$setns" = "yes" ; then
7192   echo "CONFIG_SETNS=y" >> $config_host_mak
7193 fi
7194 if test "$clock_adjtime" = "yes" ; then
7195   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7196 fi
7197 if test "$syncfs" = "yes" ; then
7198   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7199 fi
7200 if test "$kcov" = "yes" ; then
7201   echo "CONFIG_KCOV=y" >> $config_host_mak
7202 fi
7203 if test "$inotify" = "yes" ; then
7204   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7205 fi
7206 if test "$inotify1" = "yes" ; then
7207   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7208 fi
7209 if test "$sem_timedwait" = "yes" ; then
7210   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7211 fi
7212 if test "$strchrnul" = "yes" ; then
7213   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7214 fi
7215 if test "$st_atim" = "yes" ; then
7216   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7217 fi
7218 if test "$byteswap_h" = "yes" ; then
7219   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7220 fi
7221 if test "$bswap_h" = "yes" ; then
7222   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7223 fi
7224 if test "$curl" = "yes" ; then
7225   echo "CONFIG_CURL=m" >> $config_host_mak
7226   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7227   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7228 fi
7229 if test "$brlapi" = "yes" ; then
7230   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7231   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7232 fi
7233 if test "$gtk" = "yes" ; then
7234   echo "CONFIG_GTK=m" >> $config_host_mak
7235   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7236   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7237   if test "$gtk_gl" = "yes" ; then
7238     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7239   fi
7240 fi
7241 if test "$gio" = "yes" ; then
7242     echo "CONFIG_GIO=y" >> $config_host_mak
7243     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7244     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7245     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7246 fi
7247 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7248 if test "$gnutls" = "yes" ; then
7249   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7250   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7251   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7252 fi
7253 if test "$gcrypt" = "yes" ; then
7254   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7255   if test "$gcrypt_hmac" = "yes" ; then
7256     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7257   fi
7258 fi
7259 if test "$nettle" = "yes" ; then
7260   echo "CONFIG_NETTLE=y" >> $config_host_mak
7261   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7262   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7263   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7264 fi
7265 if test "$qemu_private_xts" = "yes" ; then
7266   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7267 fi
7268 if test "$tasn1" = "yes" ; then
7269   echo "CONFIG_TASN1=y" >> $config_host_mak
7270 fi
7271 if test "$auth_pam" = "yes" ; then
7272     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7273 fi
7274 if test "$have_ifaddrs_h" = "yes" ; then
7275     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7276 fi
7277 if test "$have_drm_h" = "yes" ; then
7278   echo "HAVE_DRM_H=y" >> $config_host_mak
7279 fi
7280 if test "$have_broken_size_max" = "yes" ; then
7281     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7282 fi
7283 if test "$have_openpty" = "yes" ; then
7284     echo "HAVE_OPENPTY=y" >> $config_host_mak
7285 fi
7286 if test "$have_sys_signal_h" = "yes" ; then
7287     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7288 fi
7289
7290 # Work around a system header bug with some kernel/XFS header
7291 # versions where they both try to define 'struct fsxattr':
7292 # xfs headers will not try to redefine structs from linux headers
7293 # if this macro is set.
7294 if test "$have_fsxattr" = "yes" ; then
7295     echo "HAVE_FSXATTR=y" >> $config_host_mak
7296 fi
7297 if test "$have_copy_file_range" = "yes" ; then
7298     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7299 fi
7300 if test "$vte" = "yes" ; then
7301   echo "CONFIG_VTE=y" >> $config_host_mak
7302   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7303   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7304 fi
7305 if test "$virglrenderer" = "yes" ; then
7306   echo "CONFIG_VIRGL=y" >> $config_host_mak
7307   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7308   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7309 fi
7310 if test "$xen" = "yes" ; then
7311   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7312   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7313 fi
7314 if test "$linux_aio" = "yes" ; then
7315   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7316 fi
7317 if test "$linux_io_uring" = "yes" ; then
7318   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7319   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7320   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7321 fi
7322 if test "$attr" = "yes" ; then
7323   echo "CONFIG_ATTR=y" >> $config_host_mak
7324 fi
7325 if test "$libattr" = "yes" ; then
7326   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7327 fi
7328 if test "$virtfs" = "yes" ; then
7329   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7330 fi
7331 if test "$mpath" = "yes" ; then
7332   echo "CONFIG_MPATH=y" >> $config_host_mak
7333   if test "$mpathpersist_new_api" = "yes"; then
7334     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7335   fi
7336 fi
7337 if test "$vhost_scsi" = "yes" ; then
7338   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7339 fi
7340 if test "$vhost_net" = "yes" ; then
7341   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7342 fi
7343 if test "$vhost_net_user" = "yes" ; then
7344   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7345 fi
7346 if test "$vhost_net_vdpa" = "yes" ; then
7347   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7348 fi
7349 if test "$vhost_crypto" = "yes" ; then
7350   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7351 fi
7352 if test "$vhost_vsock" = "yes" ; then
7353   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7354   if test "$vhost_user" = "yes" ; then
7355     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7356   fi
7357 fi
7358 if test "$vhost_kernel" = "yes" ; then
7359   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7360 fi
7361 if test "$vhost_user" = "yes" ; then
7362   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7363 fi
7364 if test "$vhost_vdpa" = "yes" ; then
7365   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7366 fi
7367 if test "$vhost_user_fs" = "yes" ; then
7368   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7369 fi
7370 if test "$blobs" = "yes" ; then
7371   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7372 fi
7373 if test "$iovec" = "yes" ; then
7374   echo "CONFIG_IOVEC=y" >> $config_host_mak
7375 fi
7376 if test "$preadv" = "yes" ; then
7377   echo "CONFIG_PREADV=y" >> $config_host_mak
7378 fi
7379 if test "$fdt" != "no" ; then
7380   echo "CONFIG_FDT=y" >> $config_host_mak
7381 fi
7382 if test "$membarrier" = "yes" ; then
7383   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7384 fi
7385 if test "$signalfd" = "yes" ; then
7386   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7387 fi
7388 if test "$optreset" = "yes" ; then
7389   echo "HAVE_OPTRESET=y" >> $config_host_mak
7390 fi
7391 if test "$tcg" = "yes"; then
7392   echo "CONFIG_TCG=y" >> $config_host_mak
7393   if test "$tcg_interpreter" = "yes" ; then
7394     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7395   fi
7396 fi
7397 if test "$fdatasync" = "yes" ; then
7398   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7399 fi
7400 if test "$madvise" = "yes" ; then
7401   echo "CONFIG_MADVISE=y" >> $config_host_mak
7402 fi
7403 if test "$posix_madvise" = "yes" ; then
7404   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7405 fi
7406 if test "$posix_memalign" = "yes" ; then
7407   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7408 fi
7409
7410 if test "$spice" = "yes" ; then
7411   echo "CONFIG_SPICE=y" >> $config_host_mak
7412 fi
7413
7414 if test "$smartcard" = "yes" ; then
7415   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7416   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7417   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7418 fi
7419
7420 if test "$libusb" = "yes" ; then
7421   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7422   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7423   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7424 fi
7425
7426 if test "$usb_redir" = "yes" ; then
7427   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7428   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7429   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7430 fi
7431
7432 if test "$opengl" = "yes" ; then
7433   echo "CONFIG_OPENGL=y" >> $config_host_mak
7434   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7435   if test "$opengl_dmabuf" = "yes" ; then
7436     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7437   fi
7438 fi
7439
7440 if test "$gbm" = "yes" ; then
7441     echo "CONFIG_GBM=y" >> $config_host_mak
7442     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7443     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7444 fi
7445
7446
7447 if test "$malloc_trim" = "yes" ; then
7448   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7449 fi
7450
7451 if test "$avx2_opt" = "yes" ; then
7452   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7453 fi
7454
7455 if test "$avx512f_opt" = "yes" ; then
7456   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7457 fi
7458
7459 if test "$lzo" = "yes" ; then
7460   echo "CONFIG_LZO=y" >> $config_host_mak
7461 fi
7462
7463 if test "$snappy" = "yes" ; then
7464   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7465 fi
7466
7467 if test "$bzip2" = "yes" ; then
7468   echo "CONFIG_BZIP2=y" >> $config_host_mak
7469   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7470 fi
7471
7472 if test "$lzfse" = "yes" ; then
7473   echo "CONFIG_LZFSE=y" >> $config_host_mak
7474   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7475 fi
7476
7477 if test "$zstd" = "yes" ; then
7478   echo "CONFIG_ZSTD=y" >> $config_host_mak
7479 fi
7480
7481 if test "$libiscsi" = "yes" ; then
7482   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7483   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7484   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7485 fi
7486
7487 if test "$libnfs" = "yes" ; then
7488   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7489   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7490 fi
7491
7492 if test "$seccomp" = "yes"; then
7493   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7494   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7495   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7496 fi
7497
7498 # XXX: suppress that
7499 if [ "$bsd" = "yes" ] ; then
7500   echo "CONFIG_BSD=y" >> $config_host_mak
7501 fi
7502
7503 if test "$localtime_r" = "yes" ; then
7504   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7505 fi
7506 if test "$qom_cast_debug" = "yes" ; then
7507   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7508 fi
7509 if test "$rbd" = "yes" ; then
7510   echo "CONFIG_RBD=m" >> $config_host_mak
7511   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7512   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7513 fi
7514
7515 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7516 if test "$coroutine_pool" = "yes" ; then
7517   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7518 else
7519   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7520 fi
7521
7522 if test "$debug_stack_usage" = "yes" ; then
7523   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7524 fi
7525
7526 if test "$crypto_afalg" = "yes" ; then
7527   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7528 fi
7529
7530 if test "$open_by_handle_at" = "yes" ; then
7531   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7532 fi
7533
7534 if test "$linux_magic_h" = "yes" ; then
7535   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7536 fi
7537
7538 if test "$valgrind_h" = "yes" ; then
7539   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7540 fi
7541
7542 if test "$have_asan_iface_fiber" = "yes" ; then
7543     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7544 fi
7545
7546 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7547     echo "CONFIG_TSAN=y" >> $config_host_mak
7548 fi
7549
7550 if test "$has_environ" = "yes" ; then
7551   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7552 fi
7553
7554 if test "$cpuid_h" = "yes" ; then
7555   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7556 fi
7557
7558 if test "$int128" = "yes" ; then
7559   echo "CONFIG_INT128=y" >> $config_host_mak
7560 fi
7561
7562 if test "$atomic128" = "yes" ; then
7563   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7564 fi
7565
7566 if test "$cmpxchg128" = "yes" ; then
7567   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7568 fi
7569
7570 if test "$atomic64" = "yes" ; then
7571   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7572 fi
7573
7574 if test "$attralias" = "yes" ; then
7575   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7576 fi
7577
7578 if test "$getauxval" = "yes" ; then
7579   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7580 fi
7581
7582 if test "$glusterfs" = "yes" ; then
7583   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7584   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7585   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7586 fi
7587
7588 if test "$glusterfs_xlator_opt" = "yes" ; then
7589   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7590 fi
7591
7592 if test "$glusterfs_discard" = "yes" ; then
7593   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7594 fi
7595
7596 if test "$glusterfs_fallocate" = "yes" ; then
7597   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7598 fi
7599
7600 if test "$glusterfs_zerofill" = "yes" ; then
7601   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7602 fi
7603
7604 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7605   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7606 fi
7607
7608 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7609   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7610 fi
7611
7612 if test "$libssh" = "yes" ; then
7613   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7614   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7615   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7616 fi
7617
7618 if test "$live_block_migration" = "yes" ; then
7619   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7620 fi
7621
7622 if test "$tpm" = "yes"; then
7623   echo 'CONFIG_TPM=y' >> $config_host_mak
7624 fi
7625
7626 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7627 if have_backend "nop"; then
7628   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7629 fi
7630 if have_backend "simple"; then
7631   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7632   # Set the appropriate trace file.
7633   trace_file="\"$trace_file-\" FMT_pid"
7634 fi
7635 if have_backend "log"; then
7636   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7637 fi
7638 if have_backend "ust"; then
7639   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7640   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7641   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7642 fi
7643 if have_backend "dtrace"; then
7644   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7645   if test "$trace_backend_stap" = "yes" ; then
7646     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7647   fi
7648 fi
7649 if have_backend "ftrace"; then
7650   if test "$linux" = "yes" ; then
7651     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7652   else
7653     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7654   fi
7655 fi
7656 if have_backend "syslog"; then
7657   if test "$posix_syslog" = "yes" ; then
7658     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7659   else
7660     feature_not_found "syslog(trace backend)" "syslog not available"
7661   fi
7662 fi
7663 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7664
7665 if test "$rdma" = "yes" ; then
7666   echo "CONFIG_RDMA=y" >> $config_host_mak
7667   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7668 fi
7669
7670 if test "$pvrdma" = "yes" ; then
7671   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7672 fi
7673
7674 if test "$have_rtnetlink" = "yes" ; then
7675   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7676 fi
7677
7678 if test "$libxml2" = "yes" ; then
7679   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7680   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7681   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7682 fi
7683
7684 if test "$replication" = "yes" ; then
7685   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7686 fi
7687
7688 if test "$have_af_vsock" = "yes" ; then
7689   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7690 fi
7691
7692 if test "$have_sysmacros" = "yes" ; then
7693   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7694 fi
7695
7696 if test "$have_static_assert" = "yes" ; then
7697   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7698 fi
7699
7700 if test "$have_utmpx" = "yes" ; then
7701   echo "HAVE_UTMPX=y" >> $config_host_mak
7702 fi
7703 if test "$have_getrandom" = "yes" ; then
7704   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7705 fi
7706 if test "$ivshmem" = "yes" ; then
7707   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7708 fi
7709 if test "$capstone" != "no" ; then
7710   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7711 fi
7712 if test "$debug_mutex" = "yes" ; then
7713   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7714 fi
7715
7716 # Hold two types of flag:
7717 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7718 #                                     a thread we have a handle to
7719 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7720 #                                     platform
7721 if test "$pthread_setname_np_w_tid" = "yes" ; then
7722   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7723   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7724 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7725   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7726   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7727 fi
7728
7729 if test "$libpmem" = "yes" ; then
7730   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7731 fi
7732
7733 if test "$libdaxctl" = "yes" ; then
7734   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7735 fi
7736
7737 if test "$bochs" = "yes" ; then
7738   echo "CONFIG_BOCHS=y" >> $config_host_mak
7739 fi
7740 if test "$cloop" = "yes" ; then
7741   echo "CONFIG_CLOOP=y" >> $config_host_mak
7742 fi
7743 if test "$dmg" = "yes" ; then
7744   echo "CONFIG_DMG=y" >> $config_host_mak
7745 fi
7746 if test "$qcow1" = "yes" ; then
7747   echo "CONFIG_QCOW1=y" >> $config_host_mak
7748 fi
7749 if test "$vdi" = "yes" ; then
7750   echo "CONFIG_VDI=y" >> $config_host_mak
7751 fi
7752 if test "$vvfat" = "yes" ; then
7753   echo "CONFIG_VVFAT=y" >> $config_host_mak
7754 fi
7755 if test "$qed" = "yes" ; then
7756   echo "CONFIG_QED=y" >> $config_host_mak
7757 fi
7758 if test "$parallels" = "yes" ; then
7759   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7760 fi
7761 if test "$sheepdog" = "yes" ; then
7762   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7763 fi
7764 if test "$pty_h" = "yes" ; then
7765   echo "HAVE_PTY_H=y" >> $config_host_mak
7766 fi
7767 if test "$have_mlockall" = "yes" ; then
7768   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7769 fi
7770 if test "$fuzzing" = "yes" ; then
7771   if test "$have_fuzzer" = "yes"; then
7772     FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7773     FUZZ_CFLAGS=" -fsanitize=fuzzer"
7774     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7775   else
7776     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7777     exit 1
7778   fi
7779 fi
7780
7781 if test "$plugins" = "yes" ; then
7782     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7783     LIBS="-ldl $LIBS"
7784     # Copy the export object list to the build dir
7785     if test "$ld_dynamic_list" = "yes" ; then
7786         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7787         ld_symbols=qemu-plugins-ld.symbols
7788         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7789     elif test "$ld_exported_symbols_list" = "yes" ; then
7790         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7791         ld64_symbols=qemu-plugins-ld64.symbols
7792         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7793         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7794             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7795     else
7796         error_exit \
7797             "If \$plugins=yes, either \$ld_dynamic_list or " \
7798             "\$ld_exported_symbols_list should have been set to 'yes'."
7799     fi
7800 fi
7801
7802 if test -n "$gdb_bin" ; then
7803     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7804 fi
7805
7806 if test "$secret_keyring" = "yes" ; then
7807   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7808   if test "$have_keyutils" = "yes" ; then
7809     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7810   fi
7811 fi
7812
7813 if test "$tcg_interpreter" = "yes"; then
7814   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7815 elif test "$ARCH" = "sparc64" ; then
7816   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7817 elif test "$ARCH" = "s390x" ; then
7818   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7819 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7820   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7821 elif test "$ARCH" = "ppc64" ; then
7822   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7823 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7824   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7825 else
7826   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7827 fi
7828
7829 echo "HELPERS=$helpers" >> $config_host_mak
7830 echo "TOOLS=$tools" >> $config_host_mak
7831 echo "ROMS=$roms" >> $config_host_mak
7832 echo "MAKE=$make" >> $config_host_mak
7833 echo "INSTALL=$install" >> $config_host_mak
7834 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7835 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7836 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7837 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7838 echo "PYTHON=$python" >> $config_host_mak
7839 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7840 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7841 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7842 echo "MESON=$meson" >> $config_host_mak
7843 echo "CC=$cc" >> $config_host_mak
7844 if $iasl -h > /dev/null 2>&1; then
7845   echo "IASL=$iasl" >> $config_host_mak
7846 fi
7847 echo "HOST_CC=$host_cc" >> $config_host_mak
7848 echo "CXX=$cxx" >> $config_host_mak
7849 echo "OBJCC=$objcc" >> $config_host_mak
7850 echo "AR=$ar" >> $config_host_mak
7851 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7852 echo "AS=$as" >> $config_host_mak
7853 echo "CCAS=$ccas" >> $config_host_mak
7854 echo "CPP=$cpp" >> $config_host_mak
7855 echo "OBJCOPY=$objcopy" >> $config_host_mak
7856 echo "LD=$ld" >> $config_host_mak
7857 echo "RANLIB=$ranlib" >> $config_host_mak
7858 echo "NM=$nm" >> $config_host_mak
7859 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7860 echo "WINDRES=$windres" >> $config_host_mak
7861 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7862 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7863 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7864 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7865 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7866 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7867 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7868 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7869 if test "$sparse" = "yes" ; then
7870   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7871 fi
7872 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7873 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7874 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7875 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7876 echo "LIBS+=$LIBS" >> $config_host_mak
7877 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7878 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7879 echo "EXESUF=$EXESUF" >> $config_host_mak
7880 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7881 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7882 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7883 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7884 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7885 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7886 if test "$gcov" = "yes" ; then
7887   echo "CONFIG_GCOV=y" >> $config_host_mak
7888 fi
7889
7890 if test "$libudev" != "no"; then
7891     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7892     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7893 fi
7894 if test "$fuzzing" != "no"; then
7895     echo "CONFIG_FUZZ=y" >> $config_host_mak
7896     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7897     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7898 fi
7899
7900 if test "$edk2_blobs" = "yes" ; then
7901   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7902 fi
7903
7904 if test "$rng_none" = "yes"; then
7905   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7906 fi
7907
7908 # use included Linux headers
7909 if test "$linux" = "yes" ; then
7910   mkdir -p linux-headers
7911   case "$cpu" in
7912   i386|x86_64|x32)
7913     linux_arch=x86
7914     ;;
7915   ppc|ppc64|ppc64le)
7916     linux_arch=powerpc
7917     ;;
7918   s390x)
7919     linux_arch=s390
7920     ;;
7921   aarch64)
7922     linux_arch=arm64
7923     ;;
7924   mips64)
7925     linux_arch=mips
7926     ;;
7927   *)
7928     # For most CPUs the kernel architecture name and QEMU CPU name match.
7929     linux_arch="$cpu"
7930     ;;
7931   esac
7932     # For non-KVM architectures we will not have asm headers
7933     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7934       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7935     fi
7936 fi
7937
7938 for target in $target_list; do
7939 target_dir="$target"
7940 config_target_mak=$target_dir/config-target.mak
7941 target_name=$(echo $target | cut -d '-' -f 1)
7942 target_aligned_only="no"
7943 case "$target_name" in
7944   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7945   target_aligned_only="yes"
7946   ;;
7947 esac
7948 target_bigendian="no"
7949 case "$target_name" in
7950   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7951   target_bigendian="yes"
7952   ;;
7953 esac
7954 target_softmmu="no"
7955 target_user_only="no"
7956 target_linux_user="no"
7957 target_bsd_user="no"
7958 case "$target" in
7959   ${target_name}-softmmu)
7960     target_softmmu="yes"
7961     ;;
7962   ${target_name}-linux-user)
7963     target_user_only="yes"
7964     target_linux_user="yes"
7965     ;;
7966   ${target_name}-bsd-user)
7967     target_user_only="yes"
7968     target_bsd_user="yes"
7969     ;;
7970   *)
7971     error_exit "Target '$target' not recognised"
7972     exit 1
7973     ;;
7974 esac
7975
7976 mkdir -p $target_dir
7977 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7978
7979 bflt="no"
7980 mttcg="no"
7981 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7982 gdb_xml_files=""
7983
7984 TARGET_ARCH="$target_name"
7985 TARGET_BASE_ARCH=""
7986 TARGET_ABI_DIR=""
7987
7988 case "$target_name" in
7989   i386)
7990     mttcg="yes"
7991         gdb_xml_files="i386-32bit.xml"
7992     TARGET_SYSTBL_ABI=i386
7993   ;;
7994   x86_64)
7995     TARGET_BASE_ARCH=i386
7996     TARGET_SYSTBL_ABI=common,64
7997     mttcg="yes"
7998         gdb_xml_files="i386-64bit.xml"
7999   ;;
8000   alpha)
8001     mttcg="yes"
8002     TARGET_SYSTBL_ABI=common
8003   ;;
8004   arm|armeb)
8005     TARGET_ARCH=arm
8006     TARGET_SYSTBL_ABI=common,oabi
8007     bflt="yes"
8008     mttcg="yes"
8009     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8010   ;;
8011   aarch64|aarch64_be)
8012     TARGET_ARCH=aarch64
8013     TARGET_BASE_ARCH=arm
8014     bflt="yes"
8015     mttcg="yes"
8016     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8017   ;;
8018   avr)
8019     gdb_xml_files="avr-cpu.xml"
8020     target_compiler=$cross_cc_avr
8021   ;;
8022   cris)
8023   ;;
8024   hppa)
8025     mttcg="yes"
8026     TARGET_SYSTBL_ABI=common,32
8027   ;;
8028   lm32)
8029   ;;
8030   m68k)
8031     bflt="yes"
8032     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8033     TARGET_SYSTBL_ABI=common
8034   ;;
8035   microblaze|microblazeel)
8036     TARGET_ARCH=microblaze
8037     TARGET_SYSTBL_ABI=common
8038     bflt="yes"
8039     echo "TARGET_ABI32=y" >> $config_target_mak
8040   ;;
8041   mips|mipsel)
8042     mttcg="yes"
8043     TARGET_ARCH=mips
8044     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8045     TARGET_SYSTBL_ABI=o32
8046   ;;
8047   mipsn32|mipsn32el)
8048     mttcg="yes"
8049     TARGET_ARCH=mips64
8050     TARGET_BASE_ARCH=mips
8051     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8052     echo "TARGET_ABI32=y" >> $config_target_mak
8053     TARGET_SYSTBL_ABI=n32
8054   ;;
8055   mips64|mips64el)
8056     mttcg="no"
8057     TARGET_ARCH=mips64
8058     TARGET_BASE_ARCH=mips
8059     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8060     TARGET_SYSTBL_ABI=n64
8061   ;;
8062   moxie)
8063   ;;
8064   nios2)
8065   ;;
8066   or1k)
8067     TARGET_ARCH=openrisc
8068     TARGET_BASE_ARCH=openrisc
8069   ;;
8070   ppc)
8071     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8072     TARGET_SYSTBL_ABI=common,nospu,32
8073   ;;
8074   ppc64)
8075     TARGET_BASE_ARCH=ppc
8076     TARGET_ABI_DIR=ppc
8077     TARGET_SYSTBL_ABI=common,nospu,64
8078     mttcg=yes
8079     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8080   ;;
8081   ppc64le)
8082     TARGET_ARCH=ppc64
8083     TARGET_BASE_ARCH=ppc
8084     TARGET_ABI_DIR=ppc
8085     TARGET_SYSTBL_ABI=common,nospu,64
8086     mttcg=yes
8087     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8088   ;;
8089   ppc64abi32)
8090     TARGET_ARCH=ppc64
8091     TARGET_BASE_ARCH=ppc
8092     TARGET_ABI_DIR=ppc
8093     TARGET_SYSTBL_ABI=common,nospu,32
8094     echo "TARGET_ABI32=y" >> $config_target_mak
8095     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8096   ;;
8097   riscv32)
8098     TARGET_BASE_ARCH=riscv
8099     TARGET_ABI_DIR=riscv
8100     mttcg=yes
8101     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8102   ;;
8103   riscv64)
8104     TARGET_BASE_ARCH=riscv
8105     TARGET_ABI_DIR=riscv
8106     mttcg=yes
8107     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8108   ;;
8109   rx)
8110     TARGET_ARCH=rx
8111     bflt="yes"
8112     target_compiler=$cross_cc_rx
8113     gdb_xml_files="rx-core.xml"
8114   ;;
8115   sh4|sh4eb)
8116     TARGET_ARCH=sh4
8117     TARGET_SYSTBL_ABI=common
8118     bflt="yes"
8119   ;;
8120   sparc)
8121     TARGET_SYSTBL_ABI=common,32
8122   ;;
8123   sparc64)
8124     TARGET_BASE_ARCH=sparc
8125     TARGET_SYSTBL_ABI=common,64
8126   ;;
8127   sparc32plus)
8128     TARGET_ARCH=sparc64
8129     TARGET_BASE_ARCH=sparc
8130     TARGET_ABI_DIR=sparc
8131     TARGET_SYSTBL_ABI=common,32
8132     echo "TARGET_ABI32=y" >> $config_target_mak
8133   ;;
8134   s390x)
8135     TARGET_SYSTBL_ABI=common,64
8136     mttcg=yes
8137     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8138   ;;
8139   tilegx)
8140   ;;
8141   tricore)
8142   ;;
8143   unicore32)
8144   ;;
8145   xtensa|xtensaeb)
8146     TARGET_ARCH=xtensa
8147     TARGET_SYSTBL_ABI=common
8148     bflt="yes"
8149     mttcg="yes"
8150   ;;
8151   *)
8152     error_exit "Unsupported target CPU"
8153   ;;
8154 esac
8155 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8156 if [ "$TARGET_BASE_ARCH" = "" ]; then
8157   TARGET_BASE_ARCH=$TARGET_ARCH
8158 fi
8159
8160 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8161
8162 upper() {
8163     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8164 }
8165
8166 target_arch_name="$(upper $TARGET_ARCH)"
8167 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8168 echo "TARGET_NAME=$target_name" >> $config_target_mak
8169 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8170 if [ "$TARGET_ABI_DIR" = "" ]; then
8171   TARGET_ABI_DIR=$TARGET_ARCH
8172 fi
8173 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8174 if [ "$HOST_VARIANT_DIR" != "" ]; then
8175     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8176 fi
8177 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8178     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8179 fi
8180
8181 if supported_xen_target $target; then
8182     echo "CONFIG_XEN=y" >> $config_target_mak
8183     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
8184     if test "$xen_pci_passthrough" = yes; then
8185         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8186     fi
8187 else
8188     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
8189 fi
8190 if supported_kvm_target $target; then
8191     echo "CONFIG_KVM=y" >> $config_target_mak
8192     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
8193 else
8194     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
8195 fi
8196 if supported_hax_target $target; then
8197     echo "CONFIG_HAX=y" >> $config_target_mak
8198 fi
8199 if supported_hvf_target $target; then
8200     echo "CONFIG_HVF=y" >> $config_target_mak
8201 fi
8202 if supported_whpx_target $target; then
8203     echo "CONFIG_WHPX=y" >> $config_target_mak
8204 fi
8205 if test "$target_aligned_only" = "yes" ; then
8206   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8207 fi
8208 if test "$target_bigendian" = "yes" ; then
8209   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8210 fi
8211 if test "$target_softmmu" = "yes" ; then
8212   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8213   if test "$mttcg" = "yes" ; then
8214     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8215   fi
8216 fi
8217 if test "$target_user_only" = "yes" ; then
8218   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8219   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8220 fi
8221 if test "$target_linux_user" = "yes" ; then
8222   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8223 fi
8224 list=""
8225 if test ! -z "$gdb_xml_files" ; then
8226   for x in $gdb_xml_files; do
8227     list="$list $source_path/gdb-xml/$x"
8228   done
8229   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8230 fi
8231
8232 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8233   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8234 fi
8235 if test "$target_bsd_user" = "yes" ; then
8236   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8237 fi
8238
8239
8240 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8241
8242 cflags=""
8243 ldflags=""
8244
8245 disas_config() {
8246   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8247   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8248 }
8249
8250 for i in $ARCH $TARGET_BASE_ARCH ; do
8251   case "$i" in
8252   alpha)
8253     disas_config "ALPHA"
8254   ;;
8255   aarch64)
8256     if test -n "${cxx}"; then
8257       disas_config "ARM_A64"
8258     fi
8259   ;;
8260   arm)
8261     disas_config "ARM"
8262     if test -n "${cxx}"; then
8263       disas_config "ARM_A64"
8264     fi
8265   ;;
8266   avr)
8267     disas_config "AVR"
8268   ;;
8269   cris)
8270     disas_config "CRIS"
8271   ;;
8272   hppa)
8273     disas_config "HPPA"
8274   ;;
8275   i386|x86_64|x32)
8276     disas_config "I386"
8277   ;;
8278   lm32)
8279     disas_config "LM32"
8280   ;;
8281   m68k)
8282     disas_config "M68K"
8283   ;;
8284   microblaze*)
8285     disas_config "MICROBLAZE"
8286   ;;
8287   mips*)
8288     disas_config "MIPS"
8289     if test -n "${cxx}"; then
8290       disas_config "NANOMIPS"
8291     fi
8292   ;;
8293   moxie*)
8294     disas_config "MOXIE"
8295   ;;
8296   nios2)
8297     disas_config "NIOS2"
8298   ;;
8299   or1k)
8300     disas_config "OPENRISC"
8301   ;;
8302   ppc*)
8303     disas_config "PPC"
8304   ;;
8305   riscv*)
8306     disas_config "RISCV"
8307   ;;
8308   rx)
8309     disas_config "RX"
8310   ;;
8311   s390*)
8312     disas_config "S390"
8313   ;;
8314   sh4)
8315     disas_config "SH4"
8316   ;;
8317   sparc*)
8318     disas_config "SPARC"
8319   ;;
8320   xtensa*)
8321     disas_config "XTENSA"
8322   ;;
8323   esac
8324 done
8325 if test "$tcg_interpreter" = "yes" ; then
8326   disas_config "TCI"
8327 fi
8328
8329 # Newer kernels on s390 check for an S390_PGSTE program header and
8330 # enable the pgste page table extensions in that case. This makes
8331 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8332 # header if
8333 #  - we build on s390x
8334 #  - we build the system emulation for s390x (qemu-system-s390x)
8335 #  - KVM is enabled
8336 #  - the linker supports --s390-pgste
8337 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8338         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8339     if ld_has --s390-pgste ; then
8340         ldflags="-Wl,--s390-pgste $ldflags"
8341     fi
8342 fi
8343
8344 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8345 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8346
8347 done # for target in $targets
8348
8349 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8350 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8351
8352 if [ "$fdt" = "git" ]; then
8353   echo "config-host.h: dtc/all" >> $config_host_mak
8354 fi
8355 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8356   echo "config-host.h: capstone/all" >> $config_host_mak
8357 fi
8358 if test -n "$LIBCAPSTONE"; then
8359   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8360 fi
8361
8362 if test "$numa" = "yes"; then
8363   echo "CONFIG_NUMA=y" >> $config_host_mak
8364 fi
8365
8366 if test "$ccache_cpp2" = "yes"; then
8367   echo "export CCACHE_CPP2=y" >> $config_host_mak
8368 fi
8369
8370 if test "$safe_stack" = "yes"; then
8371   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8372 fi
8373
8374 # If we're using a separate build tree, set it up now.
8375 # DIRS are directories which we simply mkdir in the build tree;
8376 # LINKS are things to symlink back into the source tree
8377 # (these can be both files and directories).
8378 # Caution: do not add files or directories here using wildcards. This
8379 # will result in problems later if a new file matching the wildcard is
8380 # added to the source tree -- nothing will cause configure to be rerun
8381 # so the build tree will be missing the link back to the new file, and
8382 # tests might fail. Prefer to keep the relevant files in their own
8383 # directory and symlink the directory instead.
8384 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8385 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8386 DIRS="$DIRS docs docs/interop fsdev scsi"
8387 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8388 DIRS="$DIRS roms/seabios"
8389 LINKS="Makefile"
8390 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8391 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8392 LINKS="$LINKS tests/plugin/Makefile"
8393 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8394 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8395 LINKS="$LINKS roms/seabios/Makefile"
8396 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8397 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8398 LINKS="$LINKS tests/acceptance tests/data"
8399 LINKS="$LINKS tests/qemu-iotests/check"
8400 LINKS="$LINKS python"
8401 for bios_file in \
8402     $source_path/pc-bios/*.bin \
8403     $source_path/pc-bios/*.lid \
8404     $source_path/pc-bios/*.rom \
8405     $source_path/pc-bios/*.dtb \
8406     $source_path/pc-bios/*.img \
8407     $source_path/pc-bios/openbios-* \
8408     $source_path/pc-bios/u-boot.* \
8409     $source_path/pc-bios/edk2-*.fd.bz2 \
8410     $source_path/pc-bios/palcode-*
8411 do
8412     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8413 done
8414 mkdir -p $DIRS
8415 for f in $LINKS ; do
8416     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8417         symlink "$source_path/$f" "$f"
8418     fi
8419 done
8420
8421 (for i in $cross_cc_vars; do
8422   export $i
8423 done
8424 export target_list source_path use_containers
8425 $source_path/tests/tcg/configure.sh)
8426
8427 # temporary config to build submodules
8428 for rom in seabios; do
8429     config_mak=roms/$rom/config.mak
8430     echo "# Automatically generated by configure - do not modify" > $config_mak
8431     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8432     echo "AS=$as" >> $config_mak
8433     echo "CCAS=$ccas" >> $config_mak
8434     echo "CC=$cc" >> $config_mak
8435     echo "BCC=bcc" >> $config_mak
8436     echo "CPP=$cpp" >> $config_mak
8437     echo "OBJCOPY=objcopy" >> $config_mak
8438     echo "IASL=$iasl" >> $config_mak
8439     echo "LD=$ld" >> $config_mak
8440     echo "RANLIB=$ranlib" >> $config_mak
8441 done
8442
8443 # set up qemu-iotests in this build directory
8444 iotests_common_env="tests/qemu-iotests/common.env"
8445
8446 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8447 echo >> "$iotests_common_env"
8448 echo "export PYTHON='$python'" >> "$iotests_common_env"
8449
8450 if test "$skip_meson" = no; then
8451 cross="config-meson.cross.new"
8452 meson_quote() {
8453     echo "['$(echo $* | sed "s/ /','/g")']"
8454 }
8455
8456 echo "# Automatically generated by configure - do not modify" > $cross
8457 echo "[properties]" >> $cross
8458 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8459 echo "[binaries]" >> $cross
8460 echo "c = $(meson_quote $cc)" >> $cross
8461 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8462 echo "ar = $(meson_quote $ar)" >> $cross
8463 echo "nm = $(meson_quote $nm)" >> $cross
8464 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8465 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8466 echo "strip = $(meson_quote $strip)" >> $cross
8467 echo "windres = $(meson_quote $windres)" >> $cross
8468 if test -n "$cross_prefix"; then
8469     cross_arg="--cross-file config-meson.cross"
8470     # Hack: Meson expects an absolute path for the *build* machine
8471     # for the prefix, so add a slash in front of a Windows path that
8472     # includes a drive letter.
8473     #
8474     # See https://github.com/mesonbuild/meson/issues/7577.
8475     echo "[host_machine]" >> $cross
8476     if test "$mingw32" = "yes" ; then
8477         echo "system = 'windows'" >> $cross
8478         case $prefix in
8479             ?:*) pre_prefix=/ ;;
8480         esac
8481     fi
8482     case "$ARCH" in
8483         i386|x86_64)
8484             echo "cpu_family = 'x86'" >> $cross
8485             ;;
8486         ppc64le)
8487             echo "cpu_family = 'ppc64'" >> $cross
8488             ;;
8489         *)
8490             echo "cpu_family = '$ARCH'" >> $cross
8491             ;;
8492     esac
8493     echo "cpu = '$cpu'" >> $cross
8494     if test "$bigendian" = "yes" ; then
8495         echo "endian = 'big'" >> $cross
8496     else
8497         echo "endian = 'little'" >> $cross
8498     fi
8499 else
8500     cross_arg="--native-file config-meson.cross"
8501 fi
8502 mv $cross config-meson.cross
8503
8504 rm -rf meson-private meson-info meson-logs
8505 NINJA=$PWD/ninjatool $meson setup \
8506         --prefix "${pre_prefix}$prefix" \
8507         --libdir "${pre_prefix}$libdir" \
8508         --libexecdir "${pre_prefix}$libexecdir" \
8509         --bindir "${pre_prefix}$bindir" \
8510         --includedir "${pre_prefix}$includedir" \
8511         --datadir "${pre_prefix}$datadir" \
8512         --mandir "${pre_prefix}$mandir" \
8513         --sysconfdir "${pre_prefix}$sysconfdir" \
8514         --localstatedir "${pre_prefix}$local_statedir" \
8515         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8516         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8517         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8518         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8519         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8520         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8521         $cross_arg \
8522         "$PWD" "$source_path"
8523
8524 if test "$?" -ne 0 ; then
8525     error_exit "meson setup failed"
8526 fi
8527 touch ninjatool.stamp
8528 fi
8529
8530 # Save the configure command line for later reuse.
8531 cat <<EOD >config.status
8532 #!/bin/sh
8533 # Generated by configure.
8534 # Run this file to recreate the current configuration.
8535 # Compiler output produced by configure, useful for debugging
8536 # configure, is in config.log if it exists.
8537 EOD
8538
8539 preserve_env() {
8540     envname=$1
8541
8542     eval envval=\$$envname
8543
8544     if test -n "$envval"
8545     then
8546         echo "$envname='$envval'" >> config.status
8547         echo "export $envname" >> config.status
8548     else
8549         echo "unset $envname" >> config.status
8550     fi
8551 }
8552
8553 # Preserve various env variables that influence what
8554 # features/build target configure will detect
8555 preserve_env AR
8556 preserve_env AS
8557 preserve_env CC
8558 preserve_env CPP
8559 preserve_env CXX
8560 preserve_env INSTALL
8561 preserve_env LD
8562 preserve_env LD_LIBRARY_PATH
8563 preserve_env LIBTOOL
8564 preserve_env MAKE
8565 preserve_env NM
8566 preserve_env OBJCOPY
8567 preserve_env PATH
8568 preserve_env PKG_CONFIG
8569 preserve_env PKG_CONFIG_LIBDIR
8570 preserve_env PKG_CONFIG_PATH
8571 preserve_env PYTHON
8572 preserve_env SDL2_CONFIG
8573 preserve_env SMBD
8574 preserve_env STRIP
8575 preserve_env WINDRES
8576
8577 printf "exec" >>config.status
8578 for i in "$0" "$@"; do
8579   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8580 done
8581 echo ' "$@"' >>config.status
8582 chmod +x config.status
8583
8584 rm -r "$TMPDIR1"