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