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_libs="-llzo2"
2624         lzo="yes"
2625     else
2626         if test "$lzo" = "yes"; then
2627             feature_not_found "liblzo2" "Install liblzo2 devel"
2628         fi
2629         lzo="no"
2630     fi
2631 fi
2632
2633 ##########################################
2634 # snappy check
2635
2636 if test "$snappy" != "no" ; then
2637     cat > $TMPC << EOF
2638 #include <snappy-c.h>
2639 int main(void) { snappy_max_compressed_length(4096); return 0; }
2640 EOF
2641     if compile_prog "" "-lsnappy" ; then
2642         libs_softmmu="$libs_softmmu -lsnappy"
2643         snappy_libs='-lsnappy'
2644         snappy="yes"
2645     else
2646         if test "$snappy" = "yes"; then
2647             feature_not_found "libsnappy" "Install libsnappy devel"
2648         fi
2649         snappy="no"
2650     fi
2651 fi
2652
2653 ##########################################
2654 # bzip2 check
2655
2656 if test "$bzip2" != "no" ; then
2657     cat > $TMPC << EOF
2658 #include <bzlib.h>
2659 int main(void) { BZ2_bzlibVersion(); return 0; }
2660 EOF
2661     if compile_prog "" "-lbz2" ; then
2662         bzip2="yes"
2663     else
2664         if test "$bzip2" = "yes"; then
2665             feature_not_found "libbzip2" "Install libbzip2 devel"
2666         fi
2667         bzip2="no"
2668     fi
2669 fi
2670
2671 ##########################################
2672 # lzfse check
2673
2674 if test "$lzfse" != "no" ; then
2675     cat > $TMPC << EOF
2676 #include <lzfse.h>
2677 int main(void) { lzfse_decode_scratch_size(); return 0; }
2678 EOF
2679     if compile_prog "" "-llzfse" ; then
2680         lzfse="yes"
2681     else
2682         if test "$lzfse" = "yes"; then
2683             feature_not_found "lzfse" "Install lzfse devel"
2684         fi
2685         lzfse="no"
2686     fi
2687 fi
2688
2689 ##########################################
2690 # zstd check
2691
2692 if test "$zstd" != "no" ; then
2693     libzstd_minver="1.4.0"
2694     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2695         zstd_cflags="$($pkg_config --cflags libzstd)"
2696         zstd_libs="$($pkg_config --libs libzstd)"
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) $libs_softmmu"
2743     xen_cflags="$($pkg_config --cflags $xen_pc)"
2744     xen_libs="$($pkg_config --libs $xen_pc)"
2745   else
2746
2747     xen_libs="-lxenstore -lxenctrl -lxenguest"
2748     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2749
2750     # First we test whether Xen headers and libraries are available.
2751     # If no, we are done and there is no Xen support.
2752     # If yes, more tests are run to detect the Xen version.
2753
2754     # Xen (any)
2755     cat > $TMPC <<EOF
2756 #include <xenctrl.h>
2757 int main(void) {
2758   return 0;
2759 }
2760 EOF
2761     if ! compile_prog "" "$xen_libs" ; then
2762       # Xen not found
2763       if test "$xen" = "yes" ; then
2764         feature_not_found "xen" "Install xen devel"
2765       fi
2766       xen=no
2767
2768     # Xen unstable
2769     elif
2770         cat > $TMPC <<EOF &&
2771 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2772 #define __XEN_TOOLS__
2773 #include <xendevicemodel.h>
2774 #include <xenforeignmemory.h>
2775 int main(void) {
2776   xendevicemodel_handle *xd;
2777   xenforeignmemory_handle *xfmem;
2778
2779   xd = xendevicemodel_open(0, 0);
2780   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2781
2782   xfmem = xenforeignmemory_open(0, 0);
2783   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2784
2785   return 0;
2786 }
2787 EOF
2788         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2789       then
2790       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2791       xen_ctrl_version=41100
2792       xen=yes
2793     elif
2794         cat > $TMPC <<EOF &&
2795 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2796 #include <xenforeignmemory.h>
2797 #include <xentoolcore.h>
2798 int main(void) {
2799   xenforeignmemory_handle *xfmem;
2800
2801   xfmem = xenforeignmemory_open(0, 0);
2802   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2803   xentoolcore_restrict_all(0);
2804
2805   return 0;
2806 }
2807 EOF
2808         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2809       then
2810       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2811       xen_ctrl_version=41000
2812       xen=yes
2813     elif
2814         cat > $TMPC <<EOF &&
2815 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2816 #define __XEN_TOOLS__
2817 #include <xendevicemodel.h>
2818 int main(void) {
2819   xendevicemodel_handle *xd;
2820
2821   xd = xendevicemodel_open(0, 0);
2822   xendevicemodel_close(xd);
2823
2824   return 0;
2825 }
2826 EOF
2827         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2828       then
2829       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2830       xen_ctrl_version=40900
2831       xen=yes
2832     elif
2833         cat > $TMPC <<EOF &&
2834 /*
2835  * If we have stable libs the we don't want the libxc compat
2836  * layers, regardless of what CFLAGS we may have been given.
2837  *
2838  * Also, check if xengnttab_grant_copy_segment_t is defined and
2839  * grant copy operation is implemented.
2840  */
2841 #undef XC_WANT_COMPAT_EVTCHN_API
2842 #undef XC_WANT_COMPAT_GNTTAB_API
2843 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2844 #include <xenctrl.h>
2845 #include <xenstore.h>
2846 #include <xenevtchn.h>
2847 #include <xengnttab.h>
2848 #include <xenforeignmemory.h>
2849 #include <stdint.h>
2850 #include <xen/hvm/hvm_info_table.h>
2851 #if !defined(HVM_MAX_VCPUS)
2852 # error HVM_MAX_VCPUS not defined
2853 #endif
2854 int main(void) {
2855   xc_interface *xc = NULL;
2856   xenforeignmemory_handle *xfmem;
2857   xenevtchn_handle *xe;
2858   xengnttab_handle *xg;
2859   xengnttab_grant_copy_segment_t* seg = NULL;
2860
2861   xs_daemon_open();
2862
2863   xc = xc_interface_open(0, 0, 0);
2864   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2865   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2866   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2867   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2868
2869   xfmem = xenforeignmemory_open(0, 0);
2870   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2871
2872   xe = xenevtchn_open(0, 0);
2873   xenevtchn_fd(xe);
2874
2875   xg = xengnttab_open(0, 0);
2876   xengnttab_grant_copy(xg, 0, seg);
2877
2878   return 0;
2879 }
2880 EOF
2881         compile_prog "" "$xen_libs $xen_stable_libs"
2882       then
2883       xen_ctrl_version=40800
2884       xen=yes
2885     elif
2886         cat > $TMPC <<EOF &&
2887 /*
2888  * If we have stable libs the we don't want the libxc compat
2889  * layers, regardless of what CFLAGS we may have been given.
2890  */
2891 #undef XC_WANT_COMPAT_EVTCHN_API
2892 #undef XC_WANT_COMPAT_GNTTAB_API
2893 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2894 #include <xenctrl.h>
2895 #include <xenstore.h>
2896 #include <xenevtchn.h>
2897 #include <xengnttab.h>
2898 #include <xenforeignmemory.h>
2899 #include <stdint.h>
2900 #include <xen/hvm/hvm_info_table.h>
2901 #if !defined(HVM_MAX_VCPUS)
2902 # error HVM_MAX_VCPUS not defined
2903 #endif
2904 int main(void) {
2905   xc_interface *xc = NULL;
2906   xenforeignmemory_handle *xfmem;
2907   xenevtchn_handle *xe;
2908   xengnttab_handle *xg;
2909
2910   xs_daemon_open();
2911
2912   xc = xc_interface_open(0, 0, 0);
2913   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2914   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2915   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2916   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2917
2918   xfmem = xenforeignmemory_open(0, 0);
2919   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2920
2921   xe = xenevtchn_open(0, 0);
2922   xenevtchn_fd(xe);
2923
2924   xg = xengnttab_open(0, 0);
2925   xengnttab_map_grant_ref(xg, 0, 0, 0);
2926
2927   return 0;
2928 }
2929 EOF
2930         compile_prog "" "$xen_libs $xen_stable_libs"
2931       then
2932       xen_ctrl_version=40701
2933       xen=yes
2934
2935     # Xen 4.6
2936     elif
2937         cat > $TMPC <<EOF &&
2938 #include <xenctrl.h>
2939 #include <xenstore.h>
2940 #include <stdint.h>
2941 #include <xen/hvm/hvm_info_table.h>
2942 #if !defined(HVM_MAX_VCPUS)
2943 # error HVM_MAX_VCPUS not defined
2944 #endif
2945 int main(void) {
2946   xc_interface *xc;
2947   xs_daemon_open();
2948   xc = xc_interface_open(0, 0, 0);
2949   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2950   xc_gnttab_open(NULL, 0);
2951   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2952   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2953   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2954   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2955   return 0;
2956 }
2957 EOF
2958         compile_prog "" "$xen_libs"
2959       then
2960       xen_ctrl_version=40600
2961       xen=yes
2962
2963     # Xen 4.5
2964     elif
2965         cat > $TMPC <<EOF &&
2966 #include <xenctrl.h>
2967 #include <xenstore.h>
2968 #include <stdint.h>
2969 #include <xen/hvm/hvm_info_table.h>
2970 #if !defined(HVM_MAX_VCPUS)
2971 # error HVM_MAX_VCPUS not defined
2972 #endif
2973 int main(void) {
2974   xc_interface *xc;
2975   xs_daemon_open();
2976   xc = xc_interface_open(0, 0, 0);
2977   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2978   xc_gnttab_open(NULL, 0);
2979   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2980   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2981   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2982   return 0;
2983 }
2984 EOF
2985         compile_prog "" "$xen_libs"
2986       then
2987       xen_ctrl_version=40500
2988       xen=yes
2989
2990     elif
2991         cat > $TMPC <<EOF &&
2992 #include <xenctrl.h>
2993 #include <xenstore.h>
2994 #include <stdint.h>
2995 #include <xen/hvm/hvm_info_table.h>
2996 #if !defined(HVM_MAX_VCPUS)
2997 # error HVM_MAX_VCPUS not defined
2998 #endif
2999 int main(void) {
3000   xc_interface *xc;
3001   xs_daemon_open();
3002   xc = xc_interface_open(0, 0, 0);
3003   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3004   xc_gnttab_open(NULL, 0);
3005   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3006   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3007   return 0;
3008 }
3009 EOF
3010         compile_prog "" "$xen_libs"
3011       then
3012       xen_ctrl_version=40200
3013       xen=yes
3014
3015     else
3016       if test "$xen" = "yes" ; then
3017         feature_not_found "xen (unsupported version)" \
3018                           "Install a supported xen (xen 4.2 or newer)"
3019       fi
3020       xen=no
3021     fi
3022
3023     if test "$xen" = yes; then
3024       if test $xen_ctrl_version -ge 40701  ; then
3025         xen_libs="$xen_libs $xen_stable_libs "
3026       fi
3027     fi
3028   fi
3029 fi
3030
3031 if test "$xen_pci_passthrough" != "no"; then
3032   if test "$xen" = "yes" && test "$linux" = "yes"; then
3033     xen_pci_passthrough=yes
3034   else
3035     if test "$xen_pci_passthrough" = "yes"; then
3036       error_exit "User requested feature Xen PCI Passthrough" \
3037           " but this feature requires /sys from Linux"
3038     fi
3039     xen_pci_passthrough=no
3040   fi
3041 fi
3042
3043 ##########################################
3044 # Windows Hypervisor Platform accelerator (WHPX) check
3045 if test "$whpx" != "no" ; then
3046     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3047         whpx="yes"
3048     else
3049         if test "$whpx" = "yes"; then
3050             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3051         fi
3052         whpx="no"
3053     fi
3054 fi
3055
3056 ##########################################
3057 # Sparse probe
3058 if test "$sparse" != "no" ; then
3059   if has sparse; then
3060     sparse=yes
3061   else
3062     if test "$sparse" = "yes" ; then
3063       feature_not_found "sparse" "Install sparse binary"
3064     fi
3065     sparse=no
3066   fi
3067 fi
3068
3069 ##########################################
3070 # X11 probe
3071 if $pkg_config --exists "x11"; then
3072     have_x11=yes
3073     x11_cflags=$($pkg_config --cflags x11)
3074     x11_libs=$($pkg_config --libs x11)
3075 fi
3076
3077 ##########################################
3078 # GTK probe
3079
3080 if test "$gtk" != "no"; then
3081     gtkpackage="gtk+-3.0"
3082     gtkx11package="gtk+-x11-3.0"
3083     gtkversion="3.22.0"
3084     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3085         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3086         gtk_libs=$($pkg_config --libs $gtkpackage)
3087         gtk_version=$($pkg_config --modversion $gtkpackage)
3088         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3089             need_x11=yes
3090             gtk_cflags="$gtk_cflags $x11_cflags"
3091             gtk_libs="$gtk_libs $x11_libs"
3092         fi
3093         gtk="yes"
3094     elif test "$gtk" = "yes"; then
3095         feature_not_found "gtk" "Install gtk3-devel"
3096     else
3097         gtk="no"
3098     fi
3099 fi
3100
3101
3102 ##########################################
3103 # GNUTLS probe
3104
3105 if test "$gnutls" != "no"; then
3106     pass="no"
3107     if $pkg_config --exists "gnutls >= 3.1.18"; then
3108         gnutls_cflags=$($pkg_config --cflags gnutls)
3109         gnutls_libs=$($pkg_config --libs gnutls)
3110         # Packaging for the static libraries is not always correct.
3111         # At least ubuntu 18.04 ships only shared libraries.
3112         write_c_skeleton
3113         if compile_prog "" "$gnutls_libs" ; then
3114             LIBS="$gnutls_libs $LIBS"
3115             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3116             pass="yes"
3117         fi
3118     fi
3119     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3120         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3121     else
3122         gnutls="$pass"
3123     fi
3124 fi
3125
3126
3127 # If user didn't give a --disable/enable-gcrypt flag,
3128 # then mark as disabled if user requested nettle
3129 # explicitly
3130 if test -z "$gcrypt"
3131 then
3132     if test "$nettle" = "yes"
3133     then
3134         gcrypt="no"
3135     fi
3136 fi
3137
3138 # If user didn't give a --disable/enable-nettle flag,
3139 # then mark as disabled if user requested gcrypt
3140 # explicitly
3141 if test -z "$nettle"
3142 then
3143     if test "$gcrypt" = "yes"
3144     then
3145         nettle="no"
3146     fi
3147 fi
3148
3149 has_libgcrypt() {
3150     if ! has "libgcrypt-config"
3151     then
3152         return 1
3153     fi
3154
3155     if test -n "$cross_prefix"
3156     then
3157         host=$(libgcrypt-config --host)
3158         if test "$host-" != $cross_prefix
3159         then
3160             return 1
3161         fi
3162     fi
3163
3164     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3165     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3166
3167     if test $maj != 1 || test $min -lt 5
3168     then
3169        return 1
3170     fi
3171
3172     return 0
3173 }
3174
3175
3176 if test "$nettle" != "no"; then
3177     pass="no"
3178     if $pkg_config --exists "nettle >= 2.7.1"; then
3179         nettle_cflags=$($pkg_config --cflags nettle)
3180         nettle_libs=$($pkg_config --libs nettle)
3181         nettle_version=$($pkg_config --modversion nettle)
3182         # Link test to make sure the given libraries work (e.g for static).
3183         write_c_skeleton
3184         if compile_prog "" "$nettle_libs" ; then
3185             LIBS="$nettle_libs $LIBS"
3186             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3187             if test -z "$gcrypt"; then
3188                gcrypt="no"
3189             fi
3190             pass="yes"
3191         fi
3192     fi
3193     if test "$pass" = "yes"
3194     then
3195         cat > $TMPC << EOF
3196 #include <nettle/xts.h>
3197 int main(void) {
3198   return 0;
3199 }
3200 EOF
3201         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3202             nettle_xts=yes
3203             qemu_private_xts=no
3204         fi
3205     fi
3206     if test "$pass" = "no" && test "$nettle" = "yes"; then
3207         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3208     else
3209         nettle="$pass"
3210     fi
3211 fi
3212
3213 if test "$gcrypt" != "no"; then
3214     pass="no"
3215     if has_libgcrypt; then
3216         gcrypt_cflags=$(libgcrypt-config --cflags)
3217         gcrypt_libs=$(libgcrypt-config --libs)
3218         # Debian has removed -lgpg-error from libgcrypt-config
3219         # as it "spreads unnecessary dependencies" which in
3220         # turn breaks static builds...
3221         if test "$static" = "yes"
3222         then
3223             gcrypt_libs="$gcrypt_libs -lgpg-error"
3224         fi
3225
3226         # Link test to make sure the given libraries work (e.g for static).
3227         write_c_skeleton
3228         if compile_prog "" "$gcrypt_libs" ; then
3229             LIBS="$gcrypt_libs $LIBS"
3230             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3231             pass="yes"
3232         fi
3233     fi
3234     if test "$pass" = "yes"; then
3235         gcrypt="yes"
3236         cat > $TMPC << EOF
3237 #include <gcrypt.h>
3238 int main(void) {
3239   gcry_mac_hd_t handle;
3240   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3241                 GCRY_MAC_FLAG_SECURE, NULL);
3242   return 0;
3243 }
3244 EOF
3245         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3246             gcrypt_hmac=yes
3247         fi
3248         cat > $TMPC << EOF
3249 #include <gcrypt.h>
3250 int main(void) {
3251   gcry_cipher_hd_t handle;
3252   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3253   return 0;
3254 }
3255 EOF
3256         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3257             gcrypt_xts=yes
3258             qemu_private_xts=no
3259         fi
3260     elif test "$gcrypt" = "yes"; then
3261         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3262     else
3263         gcrypt="no"
3264     fi
3265 fi
3266
3267
3268 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3269 then
3270     error_exit "Only one of gcrypt & nettle can be enabled"
3271 fi
3272
3273 ##########################################
3274 # libtasn1 - only for the TLS creds/session test suite
3275
3276 tasn1=yes
3277 tasn1_cflags=""
3278 tasn1_libs=""
3279 if $pkg_config --exists "libtasn1"; then
3280     tasn1_cflags=$($pkg_config --cflags libtasn1)
3281     tasn1_libs=$($pkg_config --libs libtasn1)
3282 else
3283     tasn1=no
3284 fi
3285
3286
3287 ##########################################
3288 # PAM probe
3289
3290 if test "$auth_pam" != "no"; then
3291     cat > $TMPC <<EOF
3292 #include <security/pam_appl.h>
3293 #include <stdio.h>
3294 int main(void) {
3295    const char *service_name = "qemu";
3296    const char *user = "frank";
3297    const struct pam_conv pam_conv = { 0 };
3298    pam_handle_t *pamh = NULL;
3299    pam_start(service_name, user, &pam_conv, &pamh);
3300    return 0;
3301 }
3302 EOF
3303     if compile_prog "" "-lpam" ; then
3304         auth_pam=yes
3305     else
3306         if test "$auth_pam" = "yes"; then
3307             feature_not_found "PAM" "Install PAM development package"
3308         else
3309             auth_pam=no
3310         fi
3311     fi
3312 fi
3313
3314 ##########################################
3315 # getifaddrs (for tests/test-io-channel-socket )
3316
3317 have_ifaddrs_h=yes
3318 if ! check_include "ifaddrs.h" ; then
3319   have_ifaddrs_h=no
3320 fi
3321
3322 #########################################
3323 # libdrm check
3324 have_drm_h=no
3325 if check_include "libdrm/drm.h" ; then
3326     have_drm_h=yes
3327 fi
3328
3329 #########################################
3330 # sys/signal.h check
3331 have_sys_signal_h=no
3332 if check_include "sys/signal.h" ; then
3333   have_sys_signal_h=yes
3334 fi
3335
3336 ##########################################
3337 # VTE probe
3338
3339 if test "$vte" != "no"; then
3340     vteminversion="0.32.0"
3341     if $pkg_config --exists "vte-2.91"; then
3342       vtepackage="vte-2.91"
3343     else
3344       vtepackage="vte-2.90"
3345     fi
3346     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3347         vte_cflags=$($pkg_config --cflags $vtepackage)
3348         vte_libs=$($pkg_config --libs $vtepackage)
3349         vteversion=$($pkg_config --modversion $vtepackage)
3350         vte="yes"
3351     elif test "$vte" = "yes"; then
3352         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3353     else
3354         vte="no"
3355     fi
3356 fi
3357
3358 ##########################################
3359 # SDL probe
3360
3361 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3362 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3363
3364 sdl_probe ()
3365 {
3366   if $pkg_config sdl2 --exists; then
3367     sdlconfig="$pkg_config sdl2"
3368     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3369   elif has "$sdl2_config"; then
3370     sdlconfig="$sdl2_config"
3371     sdlversion=$($sdlconfig --version)
3372   else
3373     if test "$sdl" = "yes" ; then
3374       feature_not_found "sdl" "Install SDL2-devel"
3375     fi
3376     sdl=no
3377     # no need to do the rest
3378     return
3379   fi
3380   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3381     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3382   fi
3383
3384   cat > $TMPC << EOF
3385 #include <SDL.h>
3386 #undef main /* We don't want SDL to override our main() */
3387 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3388 EOF
3389   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3390   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3391   if test "$static" = "yes" ; then
3392     if $pkg_config sdl2 --exists; then
3393       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3394     else
3395       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3396     fi
3397   else
3398     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3399   fi
3400   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3401     sdl=yes
3402
3403     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3404     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3405       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3406          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3407          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3408       fi
3409       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3410         :
3411       else
3412         sdl=no
3413       fi
3414     fi # static link
3415   else # sdl not found
3416     if test "$sdl" = "yes" ; then
3417       feature_not_found "sdl" "Install SDL2 devel"
3418     fi
3419     sdl=no
3420   fi # sdl compile test
3421 }
3422
3423 sdl_image_probe ()
3424 {
3425     if test "$sdl_image" != "no" ; then
3426         if $pkg_config SDL2_image --exists; then
3427             if test "$static" = "yes"; then
3428                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3429             else
3430                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3431             fi
3432             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3433             sdl_image=yes
3434
3435             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3436             sdl_libs="$sdl_libs $sdl_image_libs"
3437         else
3438             if test "$sdl_image" = "yes" ; then
3439                 feature_not_found "sdl_image" "Install SDL Image devel"
3440             else
3441                 sdl_image=no
3442             fi
3443         fi
3444     fi
3445 }
3446
3447 if test "$sdl" != "no" ; then
3448   sdl_probe
3449 fi
3450
3451 if test "$sdl" = "yes" ; then
3452   sdl_image_probe
3453 else
3454   if test "$sdl_image" = "yes"; then
3455     echo "warning: SDL Image requested, but SDL is not available, disabling"
3456   fi
3457   sdl_image=no
3458 fi
3459
3460 if test "$sdl" = "yes" ; then
3461   cat > $TMPC <<EOF
3462 #include <SDL.h>
3463 #if defined(SDL_VIDEO_DRIVER_X11)
3464 #include <X11/XKBlib.h>
3465 #else
3466 #error No x11 support
3467 #endif
3468 int main(void) { return 0; }
3469 EOF
3470   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3471     need_x11=yes
3472     sdl_cflags="$sdl_cflags $x11_cflags"
3473     sdl_libs="$sdl_libs $x11_libs"
3474   fi
3475 fi
3476
3477 ##########################################
3478 # RDMA needs OpenFabrics libraries
3479 if test "$rdma" != "no" ; then
3480   cat > $TMPC <<EOF
3481 #include <rdma/rdma_cma.h>
3482 int main(void) { return 0; }
3483 EOF
3484   rdma_libs="-lrdmacm -libverbs -libumad"
3485   if compile_prog "" "$rdma_libs" ; then
3486     rdma="yes"
3487     libs_softmmu="$libs_softmmu $rdma_libs"
3488   else
3489     if test "$rdma" = "yes" ; then
3490         error_exit \
3491             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3492             " Your options:" \
3493             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3494             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3495             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3496     fi
3497     rdma="no"
3498   fi
3499 fi
3500
3501 ##########################################
3502 # PVRDMA detection
3503
3504 cat > $TMPC <<EOF &&
3505 #include <sys/mman.h>
3506
3507 int
3508 main(void)
3509 {
3510     char buf = 0;
3511     void *addr = &buf;
3512     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3513
3514     return 0;
3515 }
3516 EOF
3517
3518 if test "$rdma" = "yes" ; then
3519     case "$pvrdma" in
3520     "")
3521         if compile_prog "" ""; then
3522             pvrdma="yes"
3523         else
3524             pvrdma="no"
3525         fi
3526         ;;
3527     "yes")
3528         if ! compile_prog "" ""; then
3529             error_exit "PVRDMA is not supported since mremap is not implemented"
3530         fi
3531         pvrdma="yes"
3532         ;;
3533     "no")
3534         pvrdma="no"
3535         ;;
3536     esac
3537 else
3538     if test "$pvrdma" = "yes" ; then
3539         error_exit "PVRDMA requires rdma suppport"
3540     fi
3541     pvrdma="no"
3542 fi
3543
3544 # Let's see if enhanced reg_mr is supported
3545 if test "$pvrdma" = "yes" ; then
3546
3547 cat > $TMPC <<EOF &&
3548 #include <infiniband/verbs.h>
3549
3550 int
3551 main(void)
3552 {
3553     struct ibv_mr *mr;
3554     struct ibv_pd *pd = NULL;
3555     size_t length = 10;
3556     uint64_t iova = 0;
3557     int access = 0;
3558     void *addr = NULL;
3559
3560     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3561
3562     ibv_dereg_mr(mr);
3563
3564     return 0;
3565 }
3566 EOF
3567     if ! compile_prog "" "-libverbs"; then
3568         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3569     fi
3570 fi
3571
3572 ##########################################
3573 # VNC SASL detection
3574 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3575   cat > $TMPC <<EOF
3576 #include <sasl/sasl.h>
3577 #include <stdio.h>
3578 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3579 EOF
3580   # Assuming Cyrus-SASL installed in /usr prefix
3581   # QEMU defines struct iovec in "qemu/osdep.h",
3582   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3583   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3584   vnc_sasl_libs="-lsasl2"
3585   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3586     vnc_sasl=yes
3587     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3588     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3589   else
3590     if test "$vnc_sasl" = "yes" ; then
3591       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3592     fi
3593     vnc_sasl=no
3594   fi
3595 fi
3596
3597 ##########################################
3598 # VNC JPEG detection
3599 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3600 cat > $TMPC <<EOF
3601 #include <stdio.h>
3602 #include <jpeglib.h>
3603 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3604 EOF
3605     vnc_jpeg_cflags=""
3606     vnc_jpeg_libs="-ljpeg"
3607   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3608     vnc_jpeg=yes
3609     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3610     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3611   else
3612     if test "$vnc_jpeg" = "yes" ; then
3613       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3614     fi
3615     vnc_jpeg=no
3616   fi
3617 fi
3618
3619 ##########################################
3620 # VNC PNG detection
3621 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3622 cat > $TMPC <<EOF
3623 //#include <stdio.h>
3624 #include <png.h>
3625 #include <stddef.h>
3626 int main(void) {
3627     png_structp png_ptr;
3628     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3629     return png_ptr != 0;
3630 }
3631 EOF
3632   if $pkg_config libpng --exists; then
3633     vnc_png_cflags=$($pkg_config libpng --cflags)
3634     vnc_png_libs=$($pkg_config libpng --libs)
3635   else
3636     vnc_png_cflags=""
3637     vnc_png_libs="-lpng"
3638   fi
3639   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3640     vnc_png=yes
3641     libs_softmmu="$vnc_png_libs $libs_softmmu"
3642     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3643   else
3644     if test "$vnc_png" = "yes" ; then
3645       feature_not_found "vnc-png" "Install libpng devel"
3646     fi
3647     vnc_png=no
3648   fi
3649 fi
3650
3651 ##########################################
3652 # xkbcommon probe
3653 if test "$xkbcommon" != "no" ; then
3654   if $pkg_config xkbcommon --exists; then
3655     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3656     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3657     xkbcommon=yes
3658   else
3659     if test "$xkbcommon" = "yes" ; then
3660       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3661     fi
3662     xkbcommon=no
3663   fi
3664 fi
3665
3666
3667 ##########################################
3668 # xfsctl() probe, used for file-posix.c
3669 if test "$xfs" != "no" ; then
3670   cat > $TMPC << EOF
3671 #include <stddef.h>  /* NULL */
3672 #include <xfs/xfs.h>
3673 int main(void)
3674 {
3675     xfsctl(NULL, 0, 0, NULL);
3676     return 0;
3677 }
3678 EOF
3679   if compile_prog "" "" ; then
3680     xfs="yes"
3681   else
3682     if test "$xfs" = "yes" ; then
3683       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3684     fi
3685     xfs=no
3686   fi
3687 fi
3688
3689 ##########################################
3690 # vde libraries probe
3691 if test "$vde" != "no" ; then
3692   vde_libs="-lvdeplug"
3693   cat > $TMPC << EOF
3694 #include <libvdeplug.h>
3695 int main(void)
3696 {
3697     struct vde_open_args a = {0, 0, 0};
3698     char s[] = "";
3699     vde_open(s, s, &a);
3700     return 0;
3701 }
3702 EOF
3703   if compile_prog "" "$vde_libs" ; then
3704     vde=yes
3705   else
3706     if test "$vde" = "yes" ; then
3707       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3708     fi
3709     vde=no
3710   fi
3711 fi
3712
3713 ##########################################
3714 # netmap support probe
3715 # Apart from looking for netmap headers, we make sure that the host API version
3716 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3717 # a minor/major version number. Minor new features will be marked with values up
3718 # to 15, and if something happens that requires a change to the backend we will
3719 # move above 15, submit the backend fixes and modify this two bounds.
3720 if test "$netmap" != "no" ; then
3721   cat > $TMPC << EOF
3722 #include <inttypes.h>
3723 #include <net/if.h>
3724 #include <net/netmap.h>
3725 #include <net/netmap_user.h>
3726 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3727 #error
3728 #endif
3729 int main(void) { return 0; }
3730 EOF
3731   if compile_prog "" "" ; then
3732     netmap=yes
3733   else
3734     if test "$netmap" = "yes" ; then
3735       feature_not_found "netmap"
3736     fi
3737     netmap=no
3738   fi
3739 fi
3740
3741 ##########################################
3742 # libcap-ng library probe
3743 if test "$cap_ng" != "no" ; then
3744   cap_libs="-lcap-ng"
3745   cat > $TMPC << EOF
3746 #include <cap-ng.h>
3747 int main(void)
3748 {
3749     capng_capability_to_name(CAPNG_EFFECTIVE);
3750     return 0;
3751 }
3752 EOF
3753   if compile_prog "" "$cap_libs" ; then
3754     cap_ng=yes
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 $pkg_config alsa --exists; then
3771         alsa_libs=$($pkg_config alsa --libs)
3772         alsa_cflags=$($pkg_config alsa --cflags)
3773         alsa=yes
3774         if test "$drv" = "try-alsa"; then
3775             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3776         fi
3777     else
3778         if test "$drv" = "try-alsa"; then
3779             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3780         else
3781             error_exit "$drv check failed" \
3782                 "Make sure to have the $drv libs and headers installed."
3783         fi
3784     fi
3785     ;;
3786
3787     pa | try-pa)
3788     if $pkg_config libpulse --exists; then
3789         libpulse=yes
3790         pulse_libs=$($pkg_config libpulse --libs)
3791         pulse_cflags=$($pkg_config libpulse --cflags)
3792         if test "$drv" = "try-pa"; then
3793             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3794         fi
3795     else
3796         if test "$drv" = "try-pa"; then
3797             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3798         else
3799             error_exit "$drv check failed" \
3800                 "Make sure to have the $drv libs and headers installed."
3801         fi
3802     fi
3803     ;;
3804
3805     sdl)
3806     if test "$sdl" = "no"; then
3807         error_exit "sdl not found or disabled, can not use sdl audio driver"
3808     fi
3809     ;;
3810
3811     try-sdl)
3812     if test "$sdl" = "no"; then
3813         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3814     else
3815         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3816     fi
3817     ;;
3818
3819     coreaudio)
3820       coreaudio_libs="-framework CoreAudio"
3821     ;;
3822
3823     dsound)
3824       dsound_libs="-lole32 -ldxguid"
3825       audio_win_int="yes"
3826     ;;
3827
3828     oss)
3829       oss_libs="$oss_lib"
3830     ;;
3831
3832     jack | try-jack)
3833     if $pkg_config jack --exists; then
3834         libjack=yes
3835         jack_libs=$($pkg_config jack --libs)
3836         if test "$drv" = "try-jack"; then
3837             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3838         fi
3839     else
3840         if test "$drv" = "try-jack"; then
3841             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3842         else
3843             error_exit "$drv check failed" \
3844                 "Make sure to have the $drv libs and headers installed."
3845         fi
3846     fi
3847     ;;
3848
3849     *)
3850     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3851         error_exit "Unknown driver '$drv' selected" \
3852             "Possible drivers are: $audio_possible_drivers"
3853     }
3854     ;;
3855     esac
3856 done
3857
3858 ##########################################
3859 # BrlAPI probe
3860
3861 if test "$brlapi" != "no" ; then
3862   brlapi_libs="-lbrlapi"
3863   cat > $TMPC << EOF
3864 #include <brlapi.h>
3865 #include <stddef.h>
3866 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3867 EOF
3868   if compile_prog "" "$brlapi_libs" ; then
3869     brlapi=yes
3870   else
3871     if test "$brlapi" = "yes" ; then
3872       feature_not_found "brlapi" "Install brlapi devel"
3873     fi
3874     brlapi=no
3875   fi
3876 fi
3877
3878 ##########################################
3879 # iconv probe
3880 if test "$iconv" != "no" ; then
3881   cat > $TMPC << EOF
3882 #include <iconv.h>
3883 int main(void) {
3884   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3885   return conv != (iconv_t) -1;
3886 }
3887 EOF
3888   iconv_prefix_list="/usr/local:/usr"
3889   iconv_lib_list=":-liconv"
3890   IFS=:
3891   for iconv_prefix in $iconv_prefix_list; do
3892     IFS=:
3893     iconv_cflags="-I$iconv_prefix/include"
3894     iconv_ldflags="-L$iconv_prefix/lib"
3895     for iconv_link in $iconv_lib_list; do
3896       unset IFS
3897       iconv_lib="$iconv_ldflags $iconv_link"
3898       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3899       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3900         iconv_found=yes
3901         break
3902       fi
3903     done
3904     if test "$iconv_found" = yes ; then
3905       break
3906     fi
3907   done
3908   if test "$iconv_found" = "yes" ; then
3909     iconv=yes
3910   else
3911     if test "$iconv" = "yes" ; then
3912       feature_not_found "iconv" "Install iconv devel"
3913     fi
3914     iconv=no
3915   fi
3916 fi
3917
3918 ##########################################
3919 # curses probe
3920 if test "$iconv" = "no" ; then
3921   # curses will need iconv
3922   curses=no
3923 fi
3924 if test "$curses" != "no" ; then
3925   if test "$mingw32" = "yes" ; then
3926     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3927     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3928   else
3929     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3930     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3931   fi
3932   curses_found=no
3933   cat > $TMPC << EOF
3934 #include <locale.h>
3935 #include <curses.h>
3936 #include <wchar.h>
3937 #include <langinfo.h>
3938 int main(void) {
3939   const char *codeset;
3940   wchar_t wch = L'w';
3941   setlocale(LC_ALL, "");
3942   resize_term(0, 0);
3943   addwstr(L"wide chars\n");
3944   addnwstr(&wch, 1);
3945   add_wch(WACS_DEGREE);
3946   codeset = nl_langinfo(CODESET);
3947   return codeset != 0;
3948 }
3949 EOF
3950   IFS=:
3951   for curses_inc in $curses_inc_list; do
3952     # Make sure we get the wide character prototypes
3953     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3954     IFS=:
3955     for curses_lib in $curses_lib_list; do
3956       unset IFS
3957       if compile_prog "$curses_inc" "$curses_lib" ; then
3958         curses_found=yes
3959         break
3960       fi
3961     done
3962     if test "$curses_found" = yes ; then
3963       break
3964     fi
3965   done
3966   unset IFS
3967   if test "$curses_found" = "yes" ; then
3968     curses=yes
3969   else
3970     if test "$curses" = "yes" ; then
3971       feature_not_found "curses" "Install ncurses devel"
3972     fi
3973     curses=no
3974   fi
3975 fi
3976
3977 ##########################################
3978 # curl probe
3979 if test "$curl" != "no" ; then
3980   if $pkg_config libcurl --exists; then
3981     curlconfig="$pkg_config libcurl"
3982   else
3983     curlconfig=curl-config
3984   fi
3985   cat > $TMPC << EOF
3986 #include <curl/curl.h>
3987 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3988 EOF
3989   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3990   curl_libs=$($curlconfig --libs 2>/dev/null)
3991   if compile_prog "$curl_cflags" "$curl_libs" ; then
3992     curl=yes
3993   else
3994     if test "$curl" = "yes" ; then
3995       feature_not_found "curl" "Install libcurl devel"
3996     fi
3997     curl=no
3998   fi
3999 fi # test "$curl"
4000
4001 ##########################################
4002 # glib support probe
4003
4004 glib_req_ver=2.48
4005 glib_modules=gthread-2.0
4006 if test "$modules" = yes; then
4007     glib_modules="$glib_modules gmodule-export-2.0"
4008 fi
4009 if test "$plugins" = yes; then
4010     glib_modules="$glib_modules gmodule-2.0"
4011 fi
4012
4013 # This workaround is required due to a bug in pkg-config file for glib as it
4014 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
4015
4016 if test "$static" = yes && test "$mingw32" = yes; then
4017     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
4018 fi
4019
4020 for i in $glib_modules; do
4021     if $pkg_config --atleast-version=$glib_req_ver $i; then
4022         glib_cflags=$($pkg_config --cflags $i)
4023         glib_libs=$($pkg_config --libs $i)
4024         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4025         LIBS="$glib_libs $LIBS"
4026     else
4027         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4028     fi
4029 done
4030
4031 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4032     gio=yes
4033     gio_cflags=$($pkg_config --cflags gio-2.0)
4034     gio_libs=$($pkg_config --libs gio-2.0)
4035     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4036     if [ ! -x "$gdbus_codegen" ]; then
4037         gdbus_codegen=
4038     fi
4039 else
4040     gio=no
4041 fi
4042
4043 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4044     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4045     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4046 fi
4047
4048 # Sanity check that the current size_t matches the
4049 # size that glib thinks it should be. This catches
4050 # problems on multi-arch where people try to build
4051 # 32-bit QEMU while pointing at 64-bit glib headers
4052 cat > $TMPC <<EOF
4053 #include <glib.h>
4054 #include <unistd.h>
4055
4056 #define QEMU_BUILD_BUG_ON(x) \
4057   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4058
4059 int main(void) {
4060    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4061    return 0;
4062 }
4063 EOF
4064
4065 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4066     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4067                "You probably need to set PKG_CONFIG_LIBDIR"\
4068                "to point to the right pkg-config files for your"\
4069                "build target"
4070 fi
4071
4072 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4073 cat > $TMPC << EOF
4074 #include <glib.h>
4075 int main(void) { return 0; }
4076 EOF
4077 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4078     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4079         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4080         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4081     fi
4082 fi
4083
4084 # Silence clang warnings triggered by glib < 2.57.2
4085 cat > $TMPC << EOF
4086 #include <glib.h>
4087 typedef struct Foo {
4088     int i;
4089 } Foo;
4090 static void foo_free(Foo *f)
4091 {
4092     g_free(f);
4093 }
4094 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4095 int main(void) { return 0; }
4096 EOF
4097 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4098     if cc_has_warning_flag "-Wno-unused-function"; then
4099         glib_cflags="$glib_cflags -Wno-unused-function"
4100         CFLAGS="$CFLAGS -Wno-unused-function"
4101     fi
4102 fi
4103
4104 #########################################
4105 # zlib check
4106
4107 if test "$zlib" != "no" ; then
4108     if $pkg_config --exists zlib; then
4109         zlib_cflags=$($pkg_config --cflags zlib)
4110         zlib_libs=$($pkg_config --libs zlib)
4111         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4112         LIBS="$zlib_libs $LIBS"
4113     else
4114         cat > $TMPC << EOF
4115 #include <zlib.h>
4116 int main(void) { zlibVersion(); return 0; }
4117 EOF
4118         if compile_prog "" "-lz" ; then
4119             zlib_libs=-lz
4120             LIBS="$LIBS $zlib_libs"
4121         else
4122             error_exit "zlib check failed" \
4123                 "Make sure to have the zlib libs and headers installed."
4124         fi
4125     fi
4126 fi
4127
4128 ##########################################
4129 # SHA command probe for modules
4130 if test "$modules" = yes; then
4131     shacmd_probe="sha1sum sha1 shasum"
4132     for c in $shacmd_probe; do
4133         if has $c; then
4134             shacmd="$c"
4135             break
4136         fi
4137     done
4138     if test "$shacmd" = ""; then
4139         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4140     fi
4141 fi
4142
4143 ##########################################
4144 # pixman support probe
4145
4146 if test "$softmmu" = "no"; then
4147   pixman_cflags=
4148   pixman_libs=
4149 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4150   pixman_cflags=$($pkg_config --cflags pixman-1)
4151   pixman_libs=$($pkg_config --libs pixman-1)
4152 else
4153   error_exit "pixman >= 0.21.8 not present." \
4154       "Please install the pixman devel package."
4155 fi
4156
4157 ##########################################
4158 # libmpathpersist probe
4159
4160 if test "$mpath" != "no" ; then
4161   # probe for the new API
4162   cat > $TMPC <<EOF
4163 #include <libudev.h>
4164 #include <mpath_persist.h>
4165 unsigned mpath_mx_alloc_len = 1024;
4166 int logsink;
4167 static struct config *multipath_conf;
4168 extern struct udev *udev;
4169 extern struct config *get_multipath_config(void);
4170 extern void put_multipath_config(struct config *conf);
4171 struct udev *udev;
4172 struct config *get_multipath_config(void) { return multipath_conf; }
4173 void put_multipath_config(struct config *conf) { }
4174
4175 int main(void) {
4176     udev = udev_new();
4177     multipath_conf = mpath_lib_init();
4178     return 0;
4179 }
4180 EOF
4181   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4182     mpathpersist=yes
4183     mpathpersist_new_api=yes
4184   else
4185     # probe for the old API
4186     cat > $TMPC <<EOF
4187 #include <libudev.h>
4188 #include <mpath_persist.h>
4189 unsigned mpath_mx_alloc_len = 1024;
4190 int logsink;
4191 int main(void) {
4192     struct udev *udev = udev_new();
4193     mpath_lib_init(udev);
4194     return 0;
4195 }
4196 EOF
4197     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4198       mpathpersist=yes
4199       mpathpersist_new_api=no
4200     else
4201       mpathpersist=no
4202     fi
4203   fi
4204 else
4205   mpathpersist=no
4206 fi
4207
4208 ##########################################
4209 # pthread probe
4210 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4211
4212 pthread=no
4213 cat > $TMPC << EOF
4214 #include <pthread.h>
4215 static void *f(void *p) { return NULL; }
4216 int main(void) {
4217   pthread_t thread;
4218   pthread_create(&thread, 0, f, 0);
4219   return 0;
4220 }
4221 EOF
4222 if compile_prog "" "" ; then
4223   pthread=yes
4224 else
4225   for pthread_lib in $PTHREADLIBS_LIST; do
4226     if compile_prog "" "$pthread_lib" ; then
4227       pthread=yes
4228       found=no
4229       for lib_entry in $LIBS; do
4230         if test "$lib_entry" = "$pthread_lib"; then
4231           found=yes
4232           break
4233         fi
4234       done
4235       if test "$found" = "no"; then
4236         LIBS="$pthread_lib $LIBS"
4237       fi
4238       PTHREAD_LIB="$pthread_lib"
4239       break
4240     fi
4241   done
4242 fi
4243
4244 if test "$mingw32" != yes && test "$pthread" = no; then
4245   error_exit "pthread check failed" \
4246       "Make sure to have the pthread libs and headers installed."
4247 fi
4248
4249 # check for pthread_setname_np with thread id
4250 pthread_setname_np_w_tid=no
4251 cat > $TMPC << EOF
4252 #include <pthread.h>
4253
4254 static void *f(void *p) { return NULL; }
4255 int main(void)
4256 {
4257     pthread_t thread;
4258     pthread_create(&thread, 0, f, 0);
4259     pthread_setname_np(thread, "QEMU");
4260     return 0;
4261 }
4262 EOF
4263 if compile_prog "" "$pthread_lib" ; then
4264   pthread_setname_np_w_tid=yes
4265 fi
4266
4267 # check for pthread_setname_np without thread id
4268 pthread_setname_np_wo_tid=no
4269 cat > $TMPC << EOF
4270 #include <pthread.h>
4271
4272 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4273 int main(void)
4274 {
4275     pthread_t thread;
4276     pthread_create(&thread, 0, f, 0);
4277     return 0;
4278 }
4279 EOF
4280 if compile_prog "" "$pthread_lib" ; then
4281   pthread_setname_np_wo_tid=yes
4282 fi
4283
4284 ##########################################
4285 # rbd probe
4286 if test "$rbd" != "no" ; then
4287   cat > $TMPC <<EOF
4288 #include <stdio.h>
4289 #include <rbd/librbd.h>
4290 int main(void) {
4291     rados_t cluster;
4292     rados_create(&cluster, NULL);
4293     return 0;
4294 }
4295 EOF
4296   rbd_libs="-lrbd -lrados"
4297   if compile_prog "" "$rbd_libs" ; then
4298     rbd=yes
4299   else
4300     if test "$rbd" = "yes" ; then
4301       feature_not_found "rados block device" "Install librbd/ceph devel"
4302     fi
4303     rbd=no
4304   fi
4305 fi
4306
4307 ##########################################
4308 # libssh probe
4309 if test "$libssh" != "no" ; then
4310   if $pkg_config --exists libssh; then
4311     libssh_cflags=$($pkg_config libssh --cflags)
4312     libssh_libs=$($pkg_config libssh --libs)
4313     libssh=yes
4314   else
4315     if test "$libssh" = "yes" ; then
4316       error_exit "libssh required for --enable-libssh"
4317     fi
4318     libssh=no
4319   fi
4320 fi
4321
4322 ##########################################
4323 # Check for libssh 0.8
4324 # This is done like this instead of using the LIBSSH_VERSION_* and
4325 # SSH_VERSION_* macros because some distributions in the past shipped
4326 # snapshots of the future 0.8 from Git, and those snapshots did not
4327 # have updated version numbers (still referring to 0.7.0).
4328
4329 if test "$libssh" = "yes"; then
4330   cat > $TMPC <<EOF
4331 #include <libssh/libssh.h>
4332 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4333 EOF
4334   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4335     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4336   fi
4337 fi
4338
4339 ##########################################
4340 # linux-aio probe
4341
4342 if test "$linux_aio" != "no" ; then
4343   cat > $TMPC <<EOF
4344 #include <libaio.h>
4345 #include <sys/eventfd.h>
4346 #include <stddef.h>
4347 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4348 EOF
4349   if compile_prog "" "-laio" ; then
4350     linux_aio=yes
4351   else
4352     if test "$linux_aio" = "yes" ; then
4353       feature_not_found "linux AIO" "Install libaio devel"
4354     fi
4355     linux_aio=no
4356   fi
4357 fi
4358 ##########################################
4359 # linux-io-uring probe
4360
4361 if test "$linux_io_uring" != "no" ; then
4362   if $pkg_config liburing; then
4363     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4364     linux_io_uring_libs=$($pkg_config --libs liburing)
4365     linux_io_uring=yes
4366
4367     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4368     # seen by programs linking the archive.  It's not ideal, but just add the
4369     # library dependency globally.
4370     LIBS="$linux_io_uring_libs $LIBS"
4371   else
4372     if test "$linux_io_uring" = "yes" ; then
4373       feature_not_found "linux io_uring" "Install liburing devel"
4374     fi
4375     linux_io_uring=no
4376   fi
4377 fi
4378
4379 ##########################################
4380 # TPM emulation is only on POSIX
4381
4382 if test "$tpm" = ""; then
4383   if test "$mingw32" = "yes"; then
4384     tpm=no
4385   else
4386     tpm=yes
4387   fi
4388 elif test "$tpm" = "yes"; then
4389   if test "$mingw32" = "yes" ; then
4390     error_exit "TPM emulation only available on POSIX systems"
4391   fi
4392 fi
4393
4394 ##########################################
4395 # attr probe
4396
4397 libattr_libs=
4398 if test "$attr" != "no" ; then
4399   cat > $TMPC <<EOF
4400 #include <stdio.h>
4401 #include <sys/types.h>
4402 #ifdef CONFIG_LIBATTR
4403 #include <attr/xattr.h>
4404 #else
4405 #include <sys/xattr.h>
4406 #endif
4407 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4408 EOF
4409   if compile_prog "" "" ; then
4410     attr=yes
4411   # Older distros have <attr/xattr.h>, and need -lattr:
4412   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4413     attr=yes
4414     libattr_libs="-lattr"
4415     LIBS="$libattr_libs $LIBS"
4416     libattr=yes
4417   else
4418     if test "$attr" = "yes" ; then
4419       feature_not_found "ATTR" "Install libc6 or libattr devel"
4420     fi
4421     attr=no
4422   fi
4423 fi
4424
4425 ##########################################
4426 # iovec probe
4427 cat > $TMPC <<EOF
4428 #include <sys/types.h>
4429 #include <sys/uio.h>
4430 #include <unistd.h>
4431 int main(void) { return sizeof(struct iovec); }
4432 EOF
4433 iovec=no
4434 if compile_prog "" "" ; then
4435   iovec=yes
4436 fi
4437
4438 ##########################################
4439 # preadv probe
4440 cat > $TMPC <<EOF
4441 #include <sys/types.h>
4442 #include <sys/uio.h>
4443 #include <unistd.h>
4444 int main(void) { return preadv(0, 0, 0, 0); }
4445 EOF
4446 preadv=no
4447 if compile_prog "" "" ; then
4448   preadv=yes
4449 fi
4450
4451 ##########################################
4452 # fdt probe
4453 # fdt support is mandatory for at least some target architectures,
4454 # so insist on it if we're building those system emulators.
4455 fdt_required=no
4456 for target in $target_list; do
4457   case $target in
4458     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4459       fdt_required=yes
4460     ;;
4461   esac
4462 done
4463
4464 if test "$fdt_required" = "yes"; then
4465   if test "$fdt" = "no"; then
4466     error_exit "fdt disabled but some requested targets require it." \
4467       "You can turn off fdt only if you also disable all the system emulation" \
4468       "targets which need it (by specifying a cut down --target-list)."
4469   fi
4470   fdt=yes
4471 elif test "$fdt" != "yes" ; then
4472   fdt=no
4473 fi
4474
4475 # fdt is only required when building softmmu targets
4476 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4477     fdt="no"
4478 fi
4479
4480 if test "$fdt" != "no" ; then
4481   fdt_libs="-lfdt"
4482   # explicitly check for libfdt_env.h as it is missing in some stable installs
4483   # and test for required functions to make sure we are on a version >= 1.4.2
4484   cat > $TMPC << EOF
4485 #include <libfdt.h>
4486 #include <libfdt_env.h>
4487 int main(void) { fdt_check_full(NULL, 0); return 0; }
4488 EOF
4489   if compile_prog "" "$fdt_libs" ; then
4490     # system DTC is good - use it
4491     fdt=system
4492   else
4493       # have GIT checkout, so activate dtc submodule
4494       if test -e "${source_path}/.git" ; then
4495           git_submodules="${git_submodules} dtc"
4496       fi
4497       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4498           fdt=git
4499           mkdir -p dtc
4500           if [ "$pwd_is_source_path" != "y" ] ; then
4501               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4502           fi
4503           fdt_cflags="-I${source_path}/dtc/libfdt"
4504           fdt_ldflags="-L$PWD/dtc/libfdt"
4505           fdt_libs="$fdt_libs"
4506       elif test "$fdt" = "yes" ; then
4507           # Not a git build & no libfdt found, prompt for system install
4508           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4509                      "Please install the DTC (libfdt) devel package"
4510       else
4511           # don't have and don't want
4512           fdt_libs=
4513           fdt=no
4514       fi
4515   fi
4516 fi
4517
4518 libs_softmmu="$libs_softmmu $fdt_libs"
4519
4520 ##########################################
4521 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4522
4523 gbm="no"
4524 if $pkg_config gbm; then
4525     gbm_cflags="$($pkg_config --cflags gbm)"
4526     gbm_libs="$($pkg_config --libs gbm)"
4527     gbm="yes"
4528 fi
4529
4530 if test "$opengl" != "no" ; then
4531   opengl_pkgs="epoxy gbm"
4532   if $pkg_config $opengl_pkgs; then
4533     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4534     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4535     opengl=yes
4536     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4537         gtk_gl="yes"
4538     fi
4539     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4540   else
4541     if test "$opengl" = "yes" ; then
4542       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4543     fi
4544     opengl_cflags=""
4545     opengl_libs=""
4546     opengl=no
4547   fi
4548 fi
4549
4550 if test "$opengl" = "yes"; then
4551   cat > $TMPC << EOF
4552 #include <epoxy/egl.h>
4553 #ifndef EGL_MESA_image_dma_buf_export
4554 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4555 #endif
4556 int main(void) { return 0; }
4557 EOF
4558   if compile_prog "" "" ; then
4559     opengl_dmabuf=yes
4560   fi
4561 fi
4562
4563 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4564   for target in $target_list; do
4565     case $target in
4566       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4567         need_x11=yes
4568       ;;
4569     esac
4570   done
4571 fi
4572
4573 ##########################################
4574 # libxml2 probe
4575 if test "$libxml2" != "no" ; then
4576     if $pkg_config --exists libxml-2.0; then
4577         libxml2="yes"
4578         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4579         libxml2_libs=$($pkg_config --libs libxml-2.0)
4580     else
4581         if test "$libxml2" = "yes"; then
4582             feature_not_found "libxml2" "Install libxml2 devel"
4583         fi
4584         libxml2="no"
4585     fi
4586 fi
4587
4588 ##########################################
4589 # glusterfs probe
4590 if test "$glusterfs" != "no" ; then
4591   if $pkg_config --atleast-version=3 glusterfs-api; then
4592     glusterfs="yes"
4593     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4594     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4595     if $pkg_config --atleast-version=4 glusterfs-api; then
4596       glusterfs_xlator_opt="yes"
4597     fi
4598     if $pkg_config --atleast-version=5 glusterfs-api; then
4599       glusterfs_discard="yes"
4600     fi
4601     if $pkg_config --atleast-version=6 glusterfs-api; then
4602       glusterfs_fallocate="yes"
4603       glusterfs_zerofill="yes"
4604     fi
4605     cat > $TMPC << EOF
4606 #include <glusterfs/api/glfs.h>
4607
4608 int
4609 main(void)
4610 {
4611         /* new glfs_ftruncate() passes two additional args */
4612         return glfs_ftruncate(NULL, 0, NULL, NULL);
4613 }
4614 EOF
4615     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4616       glusterfs_ftruncate_has_stat="yes"
4617     fi
4618     cat > $TMPC << EOF
4619 #include <glusterfs/api/glfs.h>
4620
4621 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4622 static void
4623 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4624 {}
4625
4626 int
4627 main(void)
4628 {
4629         glfs_io_cbk iocb = &glusterfs_iocb;
4630         iocb(NULL, 0 , NULL, NULL, NULL);
4631         return 0;
4632 }
4633 EOF
4634     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4635       glusterfs_iocb_has_stat="yes"
4636     fi
4637   else
4638     if test "$glusterfs" = "yes" ; then
4639       feature_not_found "GlusterFS backend support" \
4640           "Install glusterfs-api devel >= 3"
4641     fi
4642     glusterfs="no"
4643   fi
4644 fi
4645
4646 # Check for inotify functions when we are building linux-user
4647 # emulator.  This is done because older glibc versions don't
4648 # have syscall stubs for these implemented.  In that case we
4649 # don't provide them even if kernel supports them.
4650 #
4651 inotify=no
4652 cat > $TMPC << EOF
4653 #include <sys/inotify.h>
4654
4655 int
4656 main(void)
4657 {
4658         /* try to start inotify */
4659         return inotify_init();
4660 }
4661 EOF
4662 if compile_prog "" "" ; then
4663   inotify=yes
4664 fi
4665
4666 inotify1=no
4667 cat > $TMPC << EOF
4668 #include <sys/inotify.h>
4669
4670 int
4671 main(void)
4672 {
4673     /* try to start inotify */
4674     return inotify_init1(0);
4675 }
4676 EOF
4677 if compile_prog "" "" ; then
4678   inotify1=yes
4679 fi
4680
4681 # check if pipe2 is there
4682 pipe2=no
4683 cat > $TMPC << EOF
4684 #include <unistd.h>
4685 #include <fcntl.h>
4686
4687 int main(void)
4688 {
4689     int pipefd[2];
4690     return pipe2(pipefd, O_CLOEXEC);
4691 }
4692 EOF
4693 if compile_prog "" "" ; then
4694   pipe2=yes
4695 fi
4696
4697 # check if accept4 is there
4698 accept4=no
4699 cat > $TMPC << EOF
4700 #include <sys/socket.h>
4701 #include <stddef.h>
4702
4703 int main(void)
4704 {
4705     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4706     return 0;
4707 }
4708 EOF
4709 if compile_prog "" "" ; then
4710   accept4=yes
4711 fi
4712
4713 # check if tee/splice is there. vmsplice was added same time.
4714 splice=no
4715 cat > $TMPC << EOF
4716 #include <unistd.h>
4717 #include <fcntl.h>
4718 #include <limits.h>
4719
4720 int main(void)
4721 {
4722     int len, fd = 0;
4723     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4724     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4725     return 0;
4726 }
4727 EOF
4728 if compile_prog "" "" ; then
4729   splice=yes
4730 fi
4731
4732 ##########################################
4733 # libnuma probe
4734
4735 if test "$numa" != "no" ; then
4736   cat > $TMPC << EOF
4737 #include <numa.h>
4738 int main(void) { return numa_available(); }
4739 EOF
4740
4741   if compile_prog "" "-lnuma" ; then
4742     numa=yes
4743     libs_softmmu="-lnuma $libs_softmmu"
4744     numa_libs="-lnuma"
4745   else
4746     if test "$numa" = "yes" ; then
4747       feature_not_found "numa" "install numactl devel"
4748     fi
4749     numa=no
4750   fi
4751 fi
4752
4753 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4754     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4755     exit 1
4756 fi
4757
4758 # Even if malloc_trim() is available, these non-libc memory allocators
4759 # do not support it.
4760 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4761     if test "$malloc_trim" = "yes" ; then
4762         echo "Disabling malloc_trim with non-libc memory allocator"
4763     fi
4764     malloc_trim="no"
4765 fi
4766
4767 #######################################
4768 # malloc_trim
4769
4770 if test "$malloc_trim" != "no" ; then
4771     cat > $TMPC << EOF
4772 #include <malloc.h>
4773 int main(void) { malloc_trim(0); return 0; }
4774 EOF
4775     if compile_prog "" "" ; then
4776         malloc_trim="yes"
4777     else
4778         malloc_trim="no"
4779     fi
4780 fi
4781
4782 ##########################################
4783 # tcmalloc probe
4784
4785 if test "$tcmalloc" = "yes" ; then
4786   cat > $TMPC << EOF
4787 #include <stdlib.h>
4788 int main(void) {
4789     void *tmp = malloc(1);
4790     if (tmp != NULL) {
4791         return 0;
4792     }
4793     return 1;
4794 }
4795 EOF
4796
4797   if compile_prog "" "-ltcmalloc" ; then
4798     LIBS="-ltcmalloc $LIBS"
4799   else
4800     feature_not_found "tcmalloc" "install gperftools devel"
4801   fi
4802 fi
4803
4804 ##########################################
4805 # jemalloc probe
4806
4807 if test "$jemalloc" = "yes" ; then
4808   cat > $TMPC << EOF
4809 #include <stdlib.h>
4810 int main(void) {
4811     void *tmp = malloc(1);
4812     if (tmp != NULL) {
4813         return 0;
4814     }
4815     return 1;
4816 }
4817 EOF
4818
4819   if compile_prog "" "-ljemalloc" ; then
4820     LIBS="-ljemalloc $LIBS"
4821   else
4822     feature_not_found "jemalloc" "install jemalloc devel"
4823   fi
4824 fi
4825
4826 ##########################################
4827 # signalfd probe
4828 signalfd="no"
4829 cat > $TMPC << EOF
4830 #include <unistd.h>
4831 #include <sys/syscall.h>
4832 #include <signal.h>
4833 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4834 EOF
4835
4836 if compile_prog "" "" ; then
4837   signalfd=yes
4838 fi
4839
4840 # check if optreset global is declared by <getopt.h>
4841 optreset="no"
4842 cat > $TMPC << EOF
4843 #include <getopt.h>
4844 int main(void) { return optreset; }
4845 EOF
4846
4847 if compile_prog "" "" ; then
4848   optreset=yes
4849 fi
4850
4851 # check if eventfd is supported
4852 eventfd=no
4853 cat > $TMPC << EOF
4854 #include <sys/eventfd.h>
4855
4856 int main(void)
4857 {
4858     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4859 }
4860 EOF
4861 if compile_prog "" "" ; then
4862   eventfd=yes
4863 fi
4864
4865 # check if memfd is supported
4866 memfd=no
4867 cat > $TMPC << EOF
4868 #include <sys/mman.h>
4869
4870 int main(void)
4871 {
4872     return memfd_create("foo", MFD_ALLOW_SEALING);
4873 }
4874 EOF
4875 if compile_prog "" "" ; then
4876   memfd=yes
4877 fi
4878
4879 # check for usbfs
4880 have_usbfs=no
4881 if test "$linux_user" = "yes"; then
4882   cat > $TMPC << EOF
4883 #include <linux/usbdevice_fs.h>
4884
4885 #ifndef USBDEVFS_GET_CAPABILITIES
4886 #error "USBDEVFS_GET_CAPABILITIES undefined"
4887 #endif
4888
4889 #ifndef USBDEVFS_DISCONNECT_CLAIM
4890 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4891 #endif
4892
4893 int main(void)
4894 {
4895     return 0;
4896 }
4897 EOF
4898   if compile_prog "" ""; then
4899     have_usbfs=yes
4900   fi
4901 fi
4902
4903 # check for fallocate
4904 fallocate=no
4905 cat > $TMPC << EOF
4906 #include <fcntl.h>
4907
4908 int main(void)
4909 {
4910     fallocate(0, 0, 0, 0);
4911     return 0;
4912 }
4913 EOF
4914 if compile_prog "" "" ; then
4915   fallocate=yes
4916 fi
4917
4918 # check for fallocate hole punching
4919 fallocate_punch_hole=no
4920 cat > $TMPC << EOF
4921 #include <fcntl.h>
4922 #include <linux/falloc.h>
4923
4924 int main(void)
4925 {
4926     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4927     return 0;
4928 }
4929 EOF
4930 if compile_prog "" "" ; then
4931   fallocate_punch_hole=yes
4932 fi
4933
4934 # check that fallocate supports range zeroing inside the file
4935 fallocate_zero_range=no
4936 cat > $TMPC << EOF
4937 #include <fcntl.h>
4938 #include <linux/falloc.h>
4939
4940 int main(void)
4941 {
4942     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4943     return 0;
4944 }
4945 EOF
4946 if compile_prog "" "" ; then
4947   fallocate_zero_range=yes
4948 fi
4949
4950 # check for posix_fallocate
4951 posix_fallocate=no
4952 cat > $TMPC << EOF
4953 #include <fcntl.h>
4954
4955 int main(void)
4956 {
4957     posix_fallocate(0, 0, 0);
4958     return 0;
4959 }
4960 EOF
4961 if compile_prog "" "" ; then
4962     posix_fallocate=yes
4963 fi
4964
4965 # check for sync_file_range
4966 sync_file_range=no
4967 cat > $TMPC << EOF
4968 #include <fcntl.h>
4969
4970 int main(void)
4971 {
4972     sync_file_range(0, 0, 0, 0);
4973     return 0;
4974 }
4975 EOF
4976 if compile_prog "" "" ; then
4977   sync_file_range=yes
4978 fi
4979
4980 # check for linux/fiemap.h and FS_IOC_FIEMAP
4981 fiemap=no
4982 cat > $TMPC << EOF
4983 #include <sys/ioctl.h>
4984 #include <linux/fs.h>
4985 #include <linux/fiemap.h>
4986
4987 int main(void)
4988 {
4989     ioctl(0, FS_IOC_FIEMAP, 0);
4990     return 0;
4991 }
4992 EOF
4993 if compile_prog "" "" ; then
4994   fiemap=yes
4995 fi
4996
4997 # check for dup3
4998 dup3=no
4999 cat > $TMPC << EOF
5000 #include <unistd.h>
5001
5002 int main(void)
5003 {
5004     dup3(0, 0, 0);
5005     return 0;
5006 }
5007 EOF
5008 if compile_prog "" "" ; then
5009   dup3=yes
5010 fi
5011
5012 # check for ppoll support
5013 ppoll=no
5014 cat > $TMPC << EOF
5015 #include <poll.h>
5016
5017 int main(void)
5018 {
5019     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5020     ppoll(&pfd, 1, 0, 0);
5021     return 0;
5022 }
5023 EOF
5024 if compile_prog "" "" ; then
5025   ppoll=yes
5026 fi
5027
5028 # check for prctl(PR_SET_TIMERSLACK , ... ) support
5029 prctl_pr_set_timerslack=no
5030 cat > $TMPC << EOF
5031 #include <sys/prctl.h>
5032
5033 int main(void)
5034 {
5035     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5036     return 0;
5037 }
5038 EOF
5039 if compile_prog "" "" ; then
5040   prctl_pr_set_timerslack=yes
5041 fi
5042
5043 # check for epoll support
5044 epoll=no
5045 cat > $TMPC << EOF
5046 #include <sys/epoll.h>
5047
5048 int main(void)
5049 {
5050     epoll_create(0);
5051     return 0;
5052 }
5053 EOF
5054 if compile_prog "" "" ; then
5055   epoll=yes
5056 fi
5057
5058 # epoll_create1 is a later addition
5059 # so we must check separately for its presence
5060 epoll_create1=no
5061 cat > $TMPC << EOF
5062 #include <sys/epoll.h>
5063
5064 int main(void)
5065 {
5066     /* Note that we use epoll_create1 as a value, not as
5067      * a function being called. This is necessary so that on
5068      * old SPARC glibc versions where the function was present in
5069      * the library but not declared in the header file we will
5070      * fail the configure check. (Otherwise we will get a compiler
5071      * warning but not an error, and will proceed to fail the
5072      * qemu compile where we compile with -Werror.)
5073      */
5074     return (int)(uintptr_t)&epoll_create1;
5075 }
5076 EOF
5077 if compile_prog "" "" ; then
5078   epoll_create1=yes
5079 fi
5080
5081 # check for sendfile support
5082 sendfile=no
5083 cat > $TMPC << EOF
5084 #include <sys/sendfile.h>
5085
5086 int main(void)
5087 {
5088     return sendfile(0, 0, 0, 0);
5089 }
5090 EOF
5091 if compile_prog "" "" ; then
5092   sendfile=yes
5093 fi
5094
5095 # check for timerfd support (glibc 2.8 and newer)
5096 timerfd=no
5097 cat > $TMPC << EOF
5098 #include <sys/timerfd.h>
5099
5100 int main(void)
5101 {
5102     return(timerfd_create(CLOCK_REALTIME, 0));
5103 }
5104 EOF
5105 if compile_prog "" "" ; then
5106   timerfd=yes
5107 fi
5108
5109 # check for setns and unshare support
5110 setns=no
5111 cat > $TMPC << EOF
5112 #include <sched.h>
5113
5114 int main(void)
5115 {
5116     int ret;
5117     ret = setns(0, 0);
5118     ret = unshare(0);
5119     return ret;
5120 }
5121 EOF
5122 if compile_prog "" "" ; then
5123   setns=yes
5124 fi
5125
5126 # clock_adjtime probe
5127 clock_adjtime=no
5128 cat > $TMPC <<EOF
5129 #include <time.h>
5130
5131 int main(void)
5132 {
5133     return clock_adjtime(0, 0);
5134 }
5135 EOF
5136 clock_adjtime=no
5137 if compile_prog "" "" ; then
5138   clock_adjtime=yes
5139 fi
5140
5141 # syncfs probe
5142 syncfs=no
5143 cat > $TMPC <<EOF
5144 #include <unistd.h>
5145
5146 int main(void)
5147 {
5148     return syncfs(0);
5149 }
5150 EOF
5151 syncfs=no
5152 if compile_prog "" "" ; then
5153   syncfs=yes
5154 fi
5155
5156 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5157 kcov=no
5158 if check_include sys/kcov.h ; then
5159     kcov=yes
5160 fi
5161
5162 # If we're making warnings fatal, apply this to Sphinx runs as well
5163 sphinx_werror=""
5164 if test "$werror" = "yes"; then
5165     sphinx_werror="-W"
5166 fi
5167
5168 # Check we have a new enough version of sphinx-build
5169 has_sphinx_build() {
5170     # This is a bit awkward but works: create a trivial document and
5171     # try to run it with our configuration file (which enforces a
5172     # version requirement). This will fail if either
5173     # sphinx-build doesn't exist at all or if it is too old.
5174     mkdir -p "$TMPDIR1/sphinx"
5175     touch "$TMPDIR1/sphinx/index.rst"
5176     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5177                     -b html "$TMPDIR1/sphinx" \
5178                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5179 }
5180
5181 # Check if tools are available to build documentation.
5182 if test "$docs" != "no" ; then
5183   if has_sphinx_build; then
5184     sphinx_ok=yes
5185   else
5186     sphinx_ok=no
5187   fi
5188   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5189     docs=yes
5190   else
5191     if test "$docs" = "yes" ; then
5192       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5193         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5194       fi
5195       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5196     fi
5197     docs=no
5198   fi
5199 fi
5200
5201 # Search for bswap_32 function
5202 byteswap_h=no
5203 cat > $TMPC << EOF
5204 #include <byteswap.h>
5205 int main(void) { return bswap_32(0); }
5206 EOF
5207 if compile_prog "" "" ; then
5208   byteswap_h=yes
5209 fi
5210
5211 # Search for bswap32 function
5212 bswap_h=no
5213 cat > $TMPC << EOF
5214 #include <sys/endian.h>
5215 #include <sys/types.h>
5216 #include <machine/bswap.h>
5217 int main(void) { return bswap32(0); }
5218 EOF
5219 if compile_prog "" "" ; then
5220   bswap_h=yes
5221 fi
5222
5223 ##########################################
5224 # Do we have libiscsi >= 1.9.0
5225 if test "$libiscsi" != "no" ; then
5226   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5227     libiscsi="yes"
5228     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5229     libiscsi_libs=$($pkg_config --libs libiscsi)
5230   else
5231     if test "$libiscsi" = "yes" ; then
5232       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5233     fi
5234     libiscsi="no"
5235   fi
5236 fi
5237
5238 ##########################################
5239 # Do we need libm
5240 cat > $TMPC << EOF
5241 #include <math.h>
5242 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5243 EOF
5244 if compile_prog "" "" ; then
5245   :
5246 elif compile_prog "" "-lm" ; then
5247   LIBS="-lm $LIBS"
5248 else
5249   error_exit "libm check failed"
5250 fi
5251
5252 ##########################################
5253 # Do we need librt
5254 # uClibc provides 2 versions of clock_gettime(), one with realtime
5255 # support and one without. This means that the clock_gettime() don't
5256 # need -lrt. We still need it for timer_create() so we check for this
5257 # function in addition.
5258 cat > $TMPC <<EOF
5259 #include <signal.h>
5260 #include <time.h>
5261 int main(void) {
5262   timer_create(CLOCK_REALTIME, NULL, NULL);
5263   return clock_gettime(CLOCK_REALTIME, NULL);
5264 }
5265 EOF
5266
5267 if compile_prog "" "" ; then
5268   :
5269 # we need pthread for static linking. use previous pthread test result
5270 elif compile_prog "" "$pthread_lib -lrt" ; then
5271   LIBS="$LIBS -lrt"
5272 fi
5273
5274 # Check whether we need to link libutil for openpty()
5275 cat > $TMPC << EOF
5276 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5277 int main(void) { return openpty(0, 0, 0, 0, 0); }
5278 EOF
5279
5280 have_openpty="no"
5281 if compile_prog "" "" ; then
5282   have_openpty="yes"
5283 else
5284   if compile_prog "" "-lutil" ; then
5285     libs_softmmu="-lutil $libs_softmmu"
5286     libs_tools="-lutil $libs_tools"
5287     have_openpty="yes"
5288   fi
5289 fi
5290
5291 ##########################################
5292 # spice probe
5293 if test "$spice" != "no" ; then
5294   cat > $TMPC << EOF
5295 #include <spice.h>
5296 int main(void) { spice_server_new(); return 0; }
5297 EOF
5298   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5299   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5300   if $pkg_config --atleast-version=0.12.5 spice-server && \
5301      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5302      compile_prog "$spice_cflags" "$spice_libs" ; then
5303     spice="yes"
5304     libs_softmmu="$libs_softmmu $spice_libs"
5305     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5306   else
5307     if test "$spice" = "yes" ; then
5308       feature_not_found "spice" \
5309           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5310     fi
5311     spice="no"
5312   fi
5313 fi
5314
5315 # check for smartcard support
5316 if test "$smartcard" != "no"; then
5317     if $pkg_config --atleast-version=2.5.1 libcacard; then
5318         libcacard_cflags=$($pkg_config --cflags libcacard)
5319         libcacard_libs=$($pkg_config --libs libcacard)
5320         smartcard="yes"
5321     else
5322         if test "$smartcard" = "yes"; then
5323             feature_not_found "smartcard" "Install libcacard devel"
5324         fi
5325         smartcard="no"
5326     fi
5327 fi
5328
5329 # check for libusb
5330 if test "$libusb" != "no" ; then
5331     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5332         libusb="yes"
5333         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5334         libusb_libs=$($pkg_config --libs libusb-1.0)
5335     else
5336         if test "$libusb" = "yes"; then
5337             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5338         fi
5339         libusb="no"
5340     fi
5341 fi
5342
5343 # check for usbredirparser for usb network redirection support
5344 if test "$usb_redir" != "no" ; then
5345     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5346         usb_redir="yes"
5347         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5348         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5349     else
5350         if test "$usb_redir" = "yes"; then
5351             feature_not_found "usb-redir" "Install usbredir devel"
5352         fi
5353         usb_redir="no"
5354     fi
5355 fi
5356
5357 ##########################################
5358 # check if we have VSS SDK headers for win
5359
5360 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5361         test "$vss_win32_sdk" != "no" ; then
5362   case "$vss_win32_sdk" in
5363     "")   vss_win32_include="-isystem $source_path" ;;
5364     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5365           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5366           vss_win32_include="-isystem $source_path/.sdk/vss"
5367           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5368           ;;
5369     *)    vss_win32_include="-isystem $vss_win32_sdk"
5370   esac
5371   cat > $TMPC << EOF
5372 #define __MIDL_user_allocate_free_DEFINED__
5373 #include <inc/win2003/vss.h>
5374 int main(void) { return VSS_CTX_BACKUP; }
5375 EOF
5376   if compile_prog "$vss_win32_include" "" ; then
5377     guest_agent_with_vss="yes"
5378     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5379     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5380     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5381   else
5382     if test "$vss_win32_sdk" != "" ; then
5383       echo "ERROR: Please download and install Microsoft VSS SDK:"
5384       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5385       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5386       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5387       echo "ERROR: The headers are extracted in the directory \`inc'."
5388       feature_not_found "VSS support"
5389     fi
5390     guest_agent_with_vss="no"
5391   fi
5392 fi
5393
5394 ##########################################
5395 # lookup Windows platform SDK (if not specified)
5396 # The SDK is needed only to build .tlb (type library) file of guest agent
5397 # VSS provider from the source. It is usually unnecessary because the
5398 # pre-compiled .tlb file is included.
5399
5400 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5401         test "$guest_agent_with_vss" = "yes" ; then
5402   if test -z "$win_sdk"; then
5403     programfiles="$PROGRAMFILES"
5404     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5405     if test -n "$programfiles"; then
5406       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5407     else
5408       feature_not_found "Windows SDK"
5409     fi
5410   elif test "$win_sdk" = "no"; then
5411     win_sdk=""
5412   fi
5413 fi
5414
5415 ##########################################
5416 # check if mingw environment provides a recent ntddscsi.h
5417 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5418   cat > $TMPC << EOF
5419 #include <windows.h>
5420 #include <ntddscsi.h>
5421 int main(void) {
5422 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5423 #error Missing required ioctl definitions
5424 #endif
5425   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5426   return addr.Lun;
5427 }
5428 EOF
5429   if compile_prog "" "" ; then
5430     guest_agent_ntddscsi=yes
5431     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5432   fi
5433 fi
5434
5435 ##########################################
5436 # virgl renderer probe
5437
5438 if test "$virglrenderer" != "no" ; then
5439   cat > $TMPC << EOF
5440 #include <virglrenderer.h>
5441 int main(void) { virgl_renderer_poll(); return 0; }
5442 EOF
5443   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5444   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5445   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5446   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5447      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5448     virglrenderer="yes"
5449   else
5450     if test "$virglrenderer" = "yes" ; then
5451       feature_not_found "virglrenderer"
5452     fi
5453     virglrenderer="no"
5454   fi
5455 fi
5456
5457 ##########################################
5458 # capstone
5459
5460 case "$capstone" in
5461   "" | yes)
5462     if $pkg_config capstone; then
5463       capstone=system
5464     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5465       capstone=git
5466     elif test -e "${source_path}/capstone/Makefile" ; then
5467       capstone=internal
5468     elif test -z "$capstone" ; then
5469       capstone=no
5470     else
5471       feature_not_found "capstone" "Install capstone devel or git submodule"
5472     fi
5473     ;;
5474
5475   system)
5476     if ! $pkg_config capstone; then
5477       feature_not_found "capstone" "Install capstone devel"
5478     fi
5479     ;;
5480 esac
5481
5482 case "$capstone" in
5483   git | internal)
5484     if test "$capstone" = git; then
5485       git_submodules="${git_submodules} capstone"
5486     fi
5487     mkdir -p capstone
5488     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5489     if test "$mingw32" = "yes"; then
5490       LIBCAPSTONE=capstone.lib
5491     else
5492       LIBCAPSTONE=libcapstone.a
5493     fi
5494     libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5495     ;;
5496
5497   system)
5498     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5499     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5500     ;;
5501
5502   no)
5503     ;;
5504   *)
5505     error_exit "Unknown state for capstone: $capstone"
5506     ;;
5507 esac
5508
5509 ##########################################
5510 # check if we have fdatasync
5511
5512 fdatasync=no
5513 cat > $TMPC << EOF
5514 #include <unistd.h>
5515 int main(void) {
5516 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5517 return fdatasync(0);
5518 #else
5519 #error Not supported
5520 #endif
5521 }
5522 EOF
5523 if compile_prog "" "" ; then
5524     fdatasync=yes
5525 fi
5526
5527 ##########################################
5528 # check if we have madvise
5529
5530 madvise=no
5531 cat > $TMPC << EOF
5532 #include <sys/types.h>
5533 #include <sys/mman.h>
5534 #include <stddef.h>
5535 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5536 EOF
5537 if compile_prog "" "" ; then
5538     madvise=yes
5539 fi
5540
5541 ##########################################
5542 # check if we have posix_madvise
5543
5544 posix_madvise=no
5545 cat > $TMPC << EOF
5546 #include <sys/mman.h>
5547 #include <stddef.h>
5548 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5549 EOF
5550 if compile_prog "" "" ; then
5551     posix_madvise=yes
5552 fi
5553
5554 ##########################################
5555 # check if we have posix_memalign()
5556
5557 posix_memalign=no
5558 cat > $TMPC << EOF
5559 #include <stdlib.h>
5560 int main(void) {
5561     void *p;
5562     return posix_memalign(&p, 8, 8);
5563 }
5564 EOF
5565 if compile_prog "" "" ; then
5566     posix_memalign=yes
5567 fi
5568
5569 ##########################################
5570 # check if we have posix_syslog
5571
5572 posix_syslog=no
5573 cat > $TMPC << EOF
5574 #include <syslog.h>
5575 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5576 EOF
5577 if compile_prog "" "" ; then
5578     posix_syslog=yes
5579 fi
5580
5581 ##########################################
5582 # check if we have sem_timedwait
5583
5584 sem_timedwait=no
5585 cat > $TMPC << EOF
5586 #include <semaphore.h>
5587 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5588 EOF
5589 if compile_prog "" "" ; then
5590     sem_timedwait=yes
5591 fi
5592
5593 ##########################################
5594 # check if we have strchrnul
5595
5596 strchrnul=no
5597 cat > $TMPC << EOF
5598 #include <string.h>
5599 int main(void);
5600 // Use a haystack that the compiler shouldn't be able to constant fold
5601 char *haystack = (char*)&main;
5602 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5603 EOF
5604 if compile_prog "" "" ; then
5605     strchrnul=yes
5606 fi
5607
5608 #########################################
5609 # check if we have st_atim
5610
5611 st_atim=no
5612 cat > $TMPC << EOF
5613 #include <sys/stat.h>
5614 #include <stddef.h>
5615 int main(void) { return offsetof(struct stat, st_atim); }
5616 EOF
5617 if compile_prog "" "" ; then
5618     st_atim=yes
5619 fi
5620
5621 ##########################################
5622 # check if trace backend exists
5623
5624 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5625 if test "$?" -ne 0 ; then
5626   error_exit "invalid trace backends" \
5627       "Please choose supported trace backends."
5628 fi
5629
5630 ##########################################
5631 # For 'ust' backend, test if ust headers are present
5632 if have_backend "ust"; then
5633   cat > $TMPC << EOF
5634 #include <lttng/tracepoint.h>
5635 int main(void) { return 0; }
5636 EOF
5637   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5638     if $pkg_config lttng-ust --exists; then
5639       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5640     else
5641       lttng_ust_libs="-llttng-ust -ldl"
5642     fi
5643     if $pkg_config liburcu-bp --exists; then
5644       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5645     else
5646       urcu_bp_libs="-lurcu-bp"
5647     fi
5648
5649     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5650   else
5651     error_exit "Trace backend 'ust' missing lttng-ust header files"
5652   fi
5653 fi
5654
5655 ##########################################
5656 # For 'dtrace' backend, test if 'dtrace' command is present
5657 if have_backend "dtrace"; then
5658   if ! has 'dtrace' ; then
5659     error_exit "dtrace command is not found in PATH $PATH"
5660   fi
5661   trace_backend_stap="no"
5662   if has 'stap' ; then
5663     trace_backend_stap="yes"
5664   fi
5665 fi
5666
5667 ##########################################
5668 # check and set a backend for coroutine
5669
5670 # We prefer ucontext, but it's not always possible. The fallback
5671 # is sigcontext. On Windows the only valid backend is the Windows
5672 # specific one.
5673
5674 ucontext_works=no
5675 if test "$darwin" != "yes"; then
5676   cat > $TMPC << EOF
5677 #include <ucontext.h>
5678 #ifdef __stub_makecontext
5679 #error Ignoring glibc stub makecontext which will always fail
5680 #endif
5681 int main(void) { makecontext(0, 0, 0); return 0; }
5682 EOF
5683   if compile_prog "" "" ; then
5684     ucontext_works=yes
5685   fi
5686 fi
5687
5688 if test "$coroutine" = ""; then
5689   if test "$mingw32" = "yes"; then
5690     coroutine=win32
5691   elif test "$ucontext_works" = "yes"; then
5692     coroutine=ucontext
5693   else
5694     coroutine=sigaltstack
5695   fi
5696 else
5697   case $coroutine in
5698   windows)
5699     if test "$mingw32" != "yes"; then
5700       error_exit "'windows' coroutine backend only valid for Windows"
5701     fi
5702     # Unfortunately the user visible backend name doesn't match the
5703     # coroutine-*.c filename for this case, so we have to adjust it here.
5704     coroutine=win32
5705     ;;
5706   ucontext)
5707     if test "$ucontext_works" != "yes"; then
5708       feature_not_found "ucontext"
5709     fi
5710     ;;
5711   sigaltstack)
5712     if test "$mingw32" = "yes"; then
5713       error_exit "only the 'windows' coroutine backend is valid for Windows"
5714     fi
5715     ;;
5716   *)
5717     error_exit "unknown coroutine backend $coroutine"
5718     ;;
5719   esac
5720 fi
5721
5722 if test "$coroutine_pool" = ""; then
5723   coroutine_pool=yes
5724 fi
5725
5726 if test "$debug_stack_usage" = "yes"; then
5727   if test "$coroutine_pool" = "yes"; then
5728     echo "WARN: disabling coroutine pool for stack usage debugging"
5729     coroutine_pool=no
5730   fi
5731 fi
5732
5733 ##################################################
5734 # SafeStack
5735
5736
5737 if test "$safe_stack" = "yes"; then
5738 cat > $TMPC << EOF
5739 int main(int argc, char *argv[])
5740 {
5741 #if ! __has_feature(safe_stack)
5742 #error SafeStack Disabled
5743 #endif
5744     return 0;
5745 }
5746 EOF
5747   flag="-fsanitize=safe-stack"
5748   # Check that safe-stack is supported and enabled.
5749   if compile_prog "-Werror $flag" "$flag"; then
5750     # Flag needed both at compilation and at linking
5751     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5752     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5753   else
5754     error_exit "SafeStack not supported by your compiler"
5755   fi
5756   if test "$coroutine" != "ucontext"; then
5757     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5758   fi
5759 else
5760 cat > $TMPC << EOF
5761 int main(int argc, char *argv[])
5762 {
5763 #if defined(__has_feature)
5764 #if __has_feature(safe_stack)
5765 #error SafeStack Enabled
5766 #endif
5767 #endif
5768     return 0;
5769 }
5770 EOF
5771 if test "$safe_stack" = "no"; then
5772   # Make sure that safe-stack is disabled
5773   if ! compile_prog "-Werror" ""; then
5774     # SafeStack was already enabled, try to explicitly remove the feature
5775     flag="-fno-sanitize=safe-stack"
5776     if ! compile_prog "-Werror $flag" "$flag"; then
5777       error_exit "Configure cannot disable SafeStack"
5778     fi
5779     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5780     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5781   fi
5782 else # "$safe_stack" = ""
5783   # Set safe_stack to yes or no based on pre-existing flags
5784   if compile_prog "-Werror" ""; then
5785     safe_stack="no"
5786   else
5787     safe_stack="yes"
5788     if test "$coroutine" != "ucontext"; then
5789       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5790     fi
5791   fi
5792 fi
5793 fi
5794
5795 ##########################################
5796 # check if we have open_by_handle_at
5797
5798 open_by_handle_at=no
5799 cat > $TMPC << EOF
5800 #include <fcntl.h>
5801 #if !defined(AT_EMPTY_PATH)
5802 # error missing definition
5803 #else
5804 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5805 #endif
5806 EOF
5807 if compile_prog "" "" ; then
5808     open_by_handle_at=yes
5809 fi
5810
5811 ########################################
5812 # check if we have linux/magic.h
5813
5814 linux_magic_h=no
5815 cat > $TMPC << EOF
5816 #include <linux/magic.h>
5817 int main(void) {
5818   return 0;
5819 }
5820 EOF
5821 if compile_prog "" "" ; then
5822     linux_magic_h=yes
5823 fi
5824
5825 ########################################
5826 # check if we have valgrind/valgrind.h
5827
5828 valgrind_h=no
5829 cat > $TMPC << EOF
5830 #include <valgrind/valgrind.h>
5831 int main(void) {
5832   return 0;
5833 }
5834 EOF
5835 if compile_prog "" "" ; then
5836     valgrind_h=yes
5837 fi
5838
5839 ########################################
5840 # check if environ is declared
5841
5842 has_environ=no
5843 cat > $TMPC << EOF
5844 #include <unistd.h>
5845 int main(void) {
5846     environ = 0;
5847     return 0;
5848 }
5849 EOF
5850 if compile_prog "" "" ; then
5851     has_environ=yes
5852 fi
5853
5854 ########################################
5855 # check if cpuid.h is usable.
5856
5857 cat > $TMPC << EOF
5858 #include <cpuid.h>
5859 int main(void) {
5860     unsigned a, b, c, d;
5861     int max = __get_cpuid_max(0, 0);
5862
5863     if (max >= 1) {
5864         __cpuid(1, a, b, c, d);
5865     }
5866
5867     if (max >= 7) {
5868         __cpuid_count(7, 0, a, b, c, d);
5869     }
5870
5871     return 0;
5872 }
5873 EOF
5874 if compile_prog "" "" ; then
5875     cpuid_h=yes
5876 fi
5877
5878 ##########################################
5879 # avx2 optimization requirement check
5880 #
5881 # There is no point enabling this if cpuid.h is not usable,
5882 # since we won't be able to select the new routines.
5883
5884 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5885   cat > $TMPC << EOF
5886 #pragma GCC push_options
5887 #pragma GCC target("avx2")
5888 #include <cpuid.h>
5889 #include <immintrin.h>
5890 static int bar(void *a) {
5891     __m256i x = *(__m256i *)a;
5892     return _mm256_testz_si256(x, x);
5893 }
5894 int main(int argc, char *argv[]) { return bar(argv[0]); }
5895 EOF
5896   if compile_object "" ; then
5897     avx2_opt="yes"
5898   else
5899     avx2_opt="no"
5900   fi
5901 fi
5902
5903 ##########################################
5904 # avx512f optimization requirement check
5905 #
5906 # There is no point enabling this if cpuid.h is not usable,
5907 # since we won't be able to select the new routines.
5908 # by default, it is turned off.
5909 # if user explicitly want to enable it, check environment
5910
5911 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5912   cat > $TMPC << EOF
5913 #pragma GCC push_options
5914 #pragma GCC target("avx512f")
5915 #include <cpuid.h>
5916 #include <immintrin.h>
5917 static int bar(void *a) {
5918     __m512i x = *(__m512i *)a;
5919     return _mm512_test_epi64_mask(x, x);
5920 }
5921 int main(int argc, char *argv[])
5922 {
5923         return bar(argv[0]);
5924 }
5925 EOF
5926   if ! compile_object "" ; then
5927     avx512f_opt="no"
5928   fi
5929 else
5930   avx512f_opt="no"
5931 fi
5932
5933 ########################################
5934 # check if __[u]int128_t is usable.
5935
5936 int128=no
5937 cat > $TMPC << EOF
5938 __int128_t a;
5939 __uint128_t b;
5940 int main (void) {
5941   a = a + b;
5942   b = a * b;
5943   a = a * a;
5944   return 0;
5945 }
5946 EOF
5947 if compile_prog "" "" ; then
5948     int128=yes
5949 fi
5950
5951 #########################################
5952 # See if 128-bit atomic operations are supported.
5953
5954 atomic128=no
5955 if test "$int128" = "yes"; then
5956   cat > $TMPC << EOF
5957 int main(void)
5958 {
5959   unsigned __int128 x = 0, y = 0;
5960   y = __atomic_load_16(&x, 0);
5961   __atomic_store_16(&x, y, 0);
5962   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5963   return 0;
5964 }
5965 EOF
5966   if compile_prog "" "" ; then
5967     atomic128=yes
5968   fi
5969 fi
5970
5971 cmpxchg128=no
5972 if test "$int128" = yes && test "$atomic128" = no; then
5973   cat > $TMPC << EOF
5974 int main(void)
5975 {
5976   unsigned __int128 x = 0, y = 0;
5977   __sync_val_compare_and_swap_16(&x, y, x);
5978   return 0;
5979 }
5980 EOF
5981   if compile_prog "" "" ; then
5982     cmpxchg128=yes
5983   fi
5984 fi
5985
5986 #########################################
5987 # See if 64-bit atomic operations are supported.
5988 # Note that without __atomic builtins, we can only
5989 # assume atomic loads/stores max at pointer size.
5990
5991 cat > $TMPC << EOF
5992 #include <stdint.h>
5993 int main(void)
5994 {
5995   uint64_t x = 0, y = 0;
5996 #ifdef __ATOMIC_RELAXED
5997   y = __atomic_load_8(&x, 0);
5998   __atomic_store_8(&x, y, 0);
5999   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
6000   __atomic_exchange_8(&x, y, 0);
6001   __atomic_fetch_add_8(&x, y, 0);
6002 #else
6003   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
6004   __sync_lock_test_and_set(&x, y);
6005   __sync_val_compare_and_swap(&x, y, 0);
6006   __sync_fetch_and_add(&x, y);
6007 #endif
6008   return 0;
6009 }
6010 EOF
6011 if compile_prog "" "" ; then
6012   atomic64=yes
6013 fi
6014
6015 #########################################
6016 # See if --dynamic-list is supported by the linker
6017 ld_dynamic_list="no"
6018 if test "$static" = "no" ; then
6019     cat > $TMPTXT <<EOF
6020 {
6021   foo;
6022 };
6023 EOF
6024
6025     cat > $TMPC <<EOF
6026 #include <stdio.h>
6027 void foo(void);
6028
6029 void foo(void)
6030 {
6031   printf("foo\n");
6032 }
6033
6034 int main(void)
6035 {
6036   foo();
6037   return 0;
6038 }
6039 EOF
6040
6041     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6042         ld_dynamic_list="yes"
6043     fi
6044 fi
6045
6046 #########################################
6047 # See if -exported_symbols_list is supported by the linker
6048
6049 ld_exported_symbols_list="no"
6050 if test "$static" = "no" ; then
6051     cat > $TMPTXT <<EOF
6052   _foo
6053 EOF
6054
6055     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6056         ld_exported_symbols_list="yes"
6057     fi
6058 fi
6059
6060 if  test "$plugins" = "yes" &&
6061     test "$ld_dynamic_list" = "no" &&
6062     test "$ld_exported_symbols_list" = "no" ; then
6063   error_exit \
6064       "Plugin support requires dynamic linking and specifying a set of symbols " \
6065       "that are exported to plugins. Unfortunately your linker doesn't " \
6066       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6067       "for this purpose. You can't build with --static."
6068 fi
6069
6070 ########################################
6071 # See if __attribute__((alias)) is supported.
6072 # This false for Xcode 9, but has been remedied for Xcode 10.
6073 # Unfortunately, travis uses Xcode 9 by default.
6074
6075 attralias=no
6076 cat > $TMPC << EOF
6077 int x = 1;
6078 extern const int y __attribute__((alias("x")));
6079 int main(void) { return 0; }
6080 EOF
6081 if compile_prog "" "" ; then
6082     attralias=yes
6083 fi
6084
6085 ########################################
6086 # check if getauxval is available.
6087
6088 getauxval=no
6089 cat > $TMPC << EOF
6090 #include <sys/auxv.h>
6091 int main(void) {
6092   return getauxval(AT_HWCAP) == 0;
6093 }
6094 EOF
6095 if compile_prog "" "" ; then
6096     getauxval=yes
6097 fi
6098
6099 ########################################
6100 # check if ccache is interfering with
6101 # semantic analysis of macros
6102
6103 unset CCACHE_CPP2
6104 ccache_cpp2=no
6105 cat > $TMPC << EOF
6106 static const int Z = 1;
6107 #define fn() ({ Z; })
6108 #define TAUT(X) ((X) == Z)
6109 #define PAREN(X, Y) (X == Y)
6110 #define ID(X) (X)
6111 int main(int argc, char *argv[])
6112 {
6113     int x = 0, y = 0;
6114     x = ID(x);
6115     x = fn();
6116     fn();
6117     if (PAREN(x, y)) return 0;
6118     if (TAUT(Z)) return 0;
6119     return 0;
6120 }
6121 EOF
6122
6123 if ! compile_object "-Werror"; then
6124     ccache_cpp2=yes
6125 fi
6126
6127 #################################################
6128 # clang does not support glibc + FORTIFY_SOURCE.
6129
6130 if test "$fortify_source" != "no"; then
6131   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6132     fortify_source="no";
6133   elif test -n "$cxx" && has $cxx &&
6134        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6135     fortify_source="no";
6136   else
6137     fortify_source="yes"
6138   fi
6139 fi
6140
6141 ###############################################
6142 # Check if copy_file_range is provided by glibc
6143 have_copy_file_range=no
6144 cat > $TMPC << EOF
6145 #include <unistd.h>
6146 int main(void) {
6147   copy_file_range(0, NULL, 0, NULL, 0, 0);
6148   return 0;
6149 }
6150 EOF
6151 if compile_prog "" "" ; then
6152     have_copy_file_range=yes
6153 fi
6154
6155 ##########################################
6156 # check if struct fsxattr is available via linux/fs.h
6157
6158 have_fsxattr=no
6159 cat > $TMPC << EOF
6160 #include <linux/fs.h>
6161 struct fsxattr foo;
6162 int main(void) {
6163   return 0;
6164 }
6165 EOF
6166 if compile_prog "" "" ; then
6167     have_fsxattr=yes
6168 fi
6169
6170 ##########################################
6171 # check for usable membarrier system call
6172 if test "$membarrier" = "yes"; then
6173     have_membarrier=no
6174     if test "$mingw32" = "yes" ; then
6175         have_membarrier=yes
6176     elif test "$linux" = "yes" ; then
6177         cat > $TMPC << EOF
6178     #include <linux/membarrier.h>
6179     #include <sys/syscall.h>
6180     #include <unistd.h>
6181     #include <stdlib.h>
6182     int main(void) {
6183         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6184         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6185         exit(0);
6186     }
6187 EOF
6188         if compile_prog "" "" ; then
6189             have_membarrier=yes
6190         fi
6191     fi
6192     if test "$have_membarrier" = "no"; then
6193       feature_not_found "membarrier" "membarrier system call not available"
6194     fi
6195 else
6196     # Do not enable it by default even for Mingw32, because it doesn't
6197     # work on Wine.
6198     membarrier=no
6199 fi
6200
6201 ##########################################
6202 # check if rtnetlink.h exists and is useful
6203 have_rtnetlink=no
6204 cat > $TMPC << EOF
6205 #include <linux/rtnetlink.h>
6206 int main(void) {
6207   return IFLA_PROTO_DOWN;
6208 }
6209 EOF
6210 if compile_prog "" "" ; then
6211     have_rtnetlink=yes
6212 fi
6213
6214 ##########################################
6215 # check for usable AF_VSOCK environment
6216 have_af_vsock=no
6217 cat > $TMPC << EOF
6218 #include <errno.h>
6219 #include <sys/types.h>
6220 #include <sys/socket.h>
6221 #if !defined(AF_VSOCK)
6222 # error missing AF_VSOCK flag
6223 #endif
6224 #include <linux/vm_sockets.h>
6225 int main(void) {
6226     int sock, ret;
6227     struct sockaddr_vm svm;
6228     socklen_t len = sizeof(svm);
6229     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6230     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6231     if ((ret == -1) && (errno == ENOTCONN)) {
6232         return 0;
6233     }
6234     return -1;
6235 }
6236 EOF
6237 if compile_prog "" "" ; then
6238     have_af_vsock=yes
6239 fi
6240
6241 ##########################################
6242 # check for usable AF_ALG environment
6243 have_afalg=no
6244 cat > $TMPC << EOF
6245 #include <errno.h>
6246 #include <sys/types.h>
6247 #include <sys/socket.h>
6248 #include <linux/if_alg.h>
6249 int main(void) {
6250     int sock;
6251     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6252     return sock;
6253 }
6254 EOF
6255 if compile_prog "" "" ; then
6256     have_afalg=yes
6257 fi
6258 if test "$crypto_afalg" = "yes"
6259 then
6260     if test "$have_afalg" != "yes"
6261     then
6262         error_exit "AF_ALG requested but could not be detected"
6263     fi
6264 fi
6265
6266
6267 #################################################
6268 # Check to see if we have the Hypervisor framework
6269 if [ "$darwin" = "yes" ] ; then
6270   cat > $TMPC << EOF
6271 #include <Hypervisor/hv.h>
6272 int main() { return 0;}
6273 EOF
6274   if ! compile_object ""; then
6275     hvf='no'
6276   else
6277     hvf='yes'
6278     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6279   fi
6280 fi
6281
6282 #################################################
6283 # Sparc implicitly links with --relax, which is
6284 # incompatible with -r, so --no-relax should be
6285 # given. It does no harm to give it on other
6286 # platforms too.
6287
6288 # Note: the prototype is needed since QEMU_CFLAGS
6289 #       contains -Wmissing-prototypes
6290 cat > $TMPC << EOF
6291 extern int foo(void);
6292 int foo(void) { return 0; }
6293 EOF
6294 if ! compile_object ""; then
6295   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6296 fi
6297 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6298   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6299     LD_REL_FLAGS=$i
6300     break
6301   fi
6302 done
6303 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6304   feature_not_found "modules" "Cannot find how to build relocatable objects"
6305 fi
6306
6307 ##########################################
6308 # check for sysmacros.h
6309
6310 have_sysmacros=no
6311 cat > $TMPC << EOF
6312 #include <sys/sysmacros.h>
6313 int main(void) {
6314     return makedev(0, 0);
6315 }
6316 EOF
6317 if compile_prog "" "" ; then
6318     have_sysmacros=yes
6319 fi
6320
6321 ##########################################
6322 # check for _Static_assert()
6323
6324 have_static_assert=no
6325 cat > $TMPC << EOF
6326 _Static_assert(1, "success");
6327 int main(void) {
6328     return 0;
6329 }
6330 EOF
6331 if compile_prog "" "" ; then
6332     have_static_assert=yes
6333 fi
6334
6335 ##########################################
6336 # check for utmpx.h, it is missing e.g. on OpenBSD
6337
6338 have_utmpx=no
6339 cat > $TMPC << EOF
6340 #include <utmpx.h>
6341 struct utmpx user_info;
6342 int main(void) {
6343     return 0;
6344 }
6345 EOF
6346 if compile_prog "" "" ; then
6347     have_utmpx=yes
6348 fi
6349
6350 ##########################################
6351 # check for getrandom()
6352
6353 have_getrandom=no
6354 cat > $TMPC << EOF
6355 #include <sys/random.h>
6356 int main(void) {
6357     return getrandom(0, 0, GRND_NONBLOCK);
6358 }
6359 EOF
6360 if compile_prog "" "" ; then
6361     have_getrandom=yes
6362 fi
6363
6364 ##########################################
6365 # checks for sanitizers
6366
6367 have_asan=no
6368 have_ubsan=no
6369 have_asan_iface_h=no
6370 have_asan_iface_fiber=no
6371
6372 if test "$sanitizers" = "yes" ; then
6373   write_c_skeleton
6374   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6375       have_asan=yes
6376   fi
6377
6378   # we could use a simple skeleton for flags checks, but this also
6379   # detect the static linking issue of ubsan, see also:
6380   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6381   cat > $TMPC << EOF
6382 #include <stdlib.h>
6383 int main(void) {
6384     void *tmp = malloc(10);
6385     if (tmp != NULL) {
6386         return *(int *)(tmp + 2);
6387     }
6388     return 1;
6389 }
6390 EOF
6391   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6392       have_ubsan=yes
6393   fi
6394
6395   if check_include "sanitizer/asan_interface.h" ; then
6396       have_asan_iface_h=yes
6397   fi
6398
6399   cat > $TMPC << EOF
6400 #include <sanitizer/asan_interface.h>
6401 int main(void) {
6402   __sanitizer_start_switch_fiber(0, 0, 0);
6403   return 0;
6404 }
6405 EOF
6406   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6407       have_asan_iface_fiber=yes
6408   fi
6409 fi
6410
6411 ##########################################
6412 # checks for fuzzer
6413 if test "$fuzzing" = "yes" ; then
6414   write_c_fuzzer_skeleton
6415   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6416       have_fuzzer=yes
6417   fi
6418 fi
6419
6420 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6421 # keep it separate until that is not the case.
6422 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6423   error_exit "TSAN is not supported with other sanitiziers."
6424 fi
6425 have_tsan=no
6426 have_tsan_iface_fiber=no
6427 if test "$tsan" = "yes" ; then
6428   write_c_skeleton
6429   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6430       have_tsan=yes
6431   fi
6432   cat > $TMPC << EOF
6433 #include <sanitizer/tsan_interface.h>
6434 int main(void) {
6435   __tsan_create_fiber(0);
6436   return 0;
6437 }
6438 EOF
6439   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6440       have_tsan_iface_fiber=yes
6441   fi
6442 fi
6443
6444 ##########################################
6445 # check for libpmem
6446
6447 if test "$libpmem" != "no"; then
6448         if $pkg_config --exists "libpmem"; then
6449                 libpmem="yes"
6450                 libpmem_libs=$($pkg_config --libs libpmem)
6451                 libpmem_cflags=$($pkg_config --cflags libpmem)
6452                 libs_softmmu="$libs_softmmu $libpmem_libs"
6453                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6454         else
6455                 if test "$libpmem" = "yes" ; then
6456                         feature_not_found "libpmem" "Install nvml or pmdk"
6457                 fi
6458                 libpmem="no"
6459         fi
6460 fi
6461
6462 ##########################################
6463 # check for libdaxctl
6464
6465 if test "$libdaxctl" != "no"; then
6466         if $pkg_config --atleast-version=57 "libdaxctl"; then
6467                 libdaxctl="yes"
6468                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6469                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6470                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6471                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6472         else
6473                 if test "$libdaxctl" = "yes" ; then
6474                         feature_not_found "libdaxctl" "Install libdaxctl"
6475                 fi
6476                 libdaxctl="no"
6477         fi
6478 fi
6479
6480 ##########################################
6481 # check for slirp
6482
6483 # slirp is only required when building softmmu targets
6484 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6485     slirp="no"
6486 fi
6487
6488 case "$slirp" in
6489   "" | yes)
6490     if $pkg_config slirp; then
6491       slirp=system
6492     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6493       slirp=git
6494     elif test -e "${source_path}/slirp/Makefile" ; then
6495       slirp=internal
6496     elif test -z "$slirp" ; then
6497       slirp=no
6498     else
6499       feature_not_found "slirp" "Install slirp devel or git submodule"
6500     fi
6501     ;;
6502
6503   system)
6504     if ! $pkg_config slirp; then
6505       feature_not_found "slirp" "Install slirp devel"
6506     fi
6507     ;;
6508 esac
6509
6510 case "$slirp" in
6511   git | internal)
6512     if test "$slirp" = git; then
6513       git_submodules="${git_submodules} slirp"
6514     fi
6515     mkdir -p slirp
6516     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6517     slirp_libs="-L$PWD/slirp -lslirp"
6518     if test "$mingw32" = "yes" ; then
6519       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6520     fi
6521     ;;
6522
6523   system)
6524     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6525     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6526     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6527     ;;
6528
6529   no)
6530     ;;
6531   *)
6532     error_exit "Unknown state for slirp: $slirp"
6533     ;;
6534 esac
6535
6536 ##########################################
6537 # check for usable __NR_keyctl syscall
6538
6539 if test "$linux" = "yes" ; then
6540
6541     have_keyring=no
6542     cat > $TMPC << EOF
6543 #include <errno.h>
6544 #include <asm/unistd.h>
6545 #include <linux/keyctl.h>
6546 #include <unistd.h>
6547 int main(void) {
6548     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6549 }
6550 EOF
6551     if compile_prog "" "" ; then
6552         have_keyring=yes
6553     fi
6554 fi
6555 if test "$secret_keyring" != "no"
6556 then
6557     if test "$have_keyring" = "yes"
6558     then
6559         secret_keyring=yes
6560     else
6561         if test "$secret_keyring" = "yes"
6562         then
6563             error_exit "syscall __NR_keyctl requested, \
6564 but not implemented on your system"
6565         else
6566             secret_keyring=no
6567         fi
6568     fi
6569 fi
6570
6571 ##########################################
6572 # check for usable keyutils.h
6573
6574 if test "$linux" = "yes" ; then
6575
6576     have_keyutils=no
6577     cat > $TMPC << EOF
6578 #include <errno.h>
6579 #include <asm/unistd.h>
6580 #include <unistd.h>
6581 #include <sys/types.h>
6582 #include <keyutils.h>
6583 int main(void) {
6584     return request_key("user", NULL, NULL, 0);
6585 }
6586 EOF
6587     if compile_prog "" "-lkeyutils"; then
6588         have_keyutils=yes
6589     fi
6590 fi
6591
6592
6593 ##########################################
6594 # End of CC checks
6595 # After here, no more $cc or $ld runs
6596
6597 write_c_skeleton
6598
6599 if test "$gcov" = "yes" ; then
6600   :
6601 elif test "$fortify_source" = "yes" ; then
6602   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6603   debug=no
6604 fi
6605 if test "$debug_info" = "yes"; then
6606   CFLAGS="-g $CFLAGS"
6607   LDFLAGS="-g $LDFLAGS"
6608 fi
6609 if test "$debug" = "no"; then
6610   CFLAGS="-O2 $CFLAGS"
6611 fi
6612
6613 case "$ARCH" in
6614 alpha)
6615   # Ensure there's only a single GP
6616   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6617 ;;
6618 esac
6619
6620 if test "$gprof" = "yes" ; then
6621   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6622   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6623 fi
6624
6625 if test "$have_asan" = "yes"; then
6626   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6627   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6628   if test "$have_asan_iface_h" = "no" ; then
6629       echo "ASAN build enabled, but ASAN header missing." \
6630            "Without code annotation, the report may be inferior."
6631   elif test "$have_asan_iface_fiber" = "no" ; then
6632       echo "ASAN build enabled, but ASAN header is too old." \
6633            "Without code annotation, the report may be inferior."
6634   fi
6635 fi
6636 if test "$have_tsan" = "yes" ; then
6637   if test "$have_tsan_iface_fiber" = "yes" ; then
6638     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6639     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6640   else
6641     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6642   fi
6643 elif test "$tsan" = "yes" ; then
6644   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6645 fi
6646 if test "$have_ubsan" = "yes"; then
6647   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6648   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6649 fi
6650
6651 ##########################################
6652 # Do we have libnfs
6653 if test "$libnfs" != "no" ; then
6654   if $pkg_config --atleast-version=1.9.3 libnfs; then
6655     libnfs="yes"
6656     libnfs_libs=$($pkg_config --libs libnfs)
6657   else
6658     if test "$libnfs" = "yes" ; then
6659       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6660     fi
6661     libnfs="no"
6662   fi
6663 fi
6664
6665 ##########################################
6666 # Do we have libudev
6667 if test "$libudev" != "no" ; then
6668   if $pkg_config libudev && test "$static" != "yes"; then
6669     libudev="yes"
6670     libudev_libs=$($pkg_config --libs libudev)
6671   else
6672     libudev="no"
6673   fi
6674 fi
6675
6676 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6677 if test "$werror" = "yes"; then
6678     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6679 fi
6680
6681 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6682 if test "$solaris" = "no" && test "$tsan" = "no"; then
6683     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6684         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6685     fi
6686 fi
6687
6688 # test if pod2man has --utf8 option
6689 if pod2man --help | grep -q utf8; then
6690     POD2MAN="pod2man --utf8"
6691 else
6692     POD2MAN="pod2man"
6693 fi
6694
6695 # Use ASLR, no-SEH and DEP if available
6696 if test "$mingw32" = "yes" ; then
6697     for flag in --dynamicbase --no-seh --nxcompat; do
6698         if ld_has $flag ; then
6699             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6700         fi
6701     done
6702 fi
6703
6704 # Disable OpenBSD W^X if available
6705 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6706     cat > $TMPC <<EOF
6707     int main(void) { return 0; }
6708 EOF
6709     wx_ldflags="-Wl,-z,wxneeded"
6710     if compile_prog "" "$wx_ldflags"; then
6711         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6712     fi
6713 fi
6714
6715 qemu_confdir=$sysconfdir$confsuffix
6716 qemu_moddir=$libdir$confsuffix
6717 qemu_datadir=$datadir$confsuffix
6718 qemu_localedir="$datadir/locale"
6719 qemu_icondir="$datadir/icons"
6720 qemu_desktopdir="$datadir/applications"
6721
6722 # We can only support ivshmem if we have eventfd
6723 if [ "$eventfd" = "yes" ]; then
6724   ivshmem=yes
6725 fi
6726
6727 if test "$softmmu" = yes ; then
6728   if test "$linux" = yes; then
6729     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6730       virtfs=yes
6731     else
6732       if test "$virtfs" = yes; then
6733         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6734       fi
6735       virtfs=no
6736     fi
6737     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6738       mpath=yes
6739     else
6740       if test "$mpath" = yes; then
6741         error_exit "Multipath requires libmpathpersist devel"
6742       fi
6743       mpath=no
6744     fi
6745   else
6746     if test "$virtfs" = yes; then
6747       error_exit "VirtFS is supported only on Linux"
6748     fi
6749     virtfs=no
6750     if test "$mpath" = yes; then
6751       error_exit "Multipath is supported only on Linux"
6752     fi
6753     mpath=no
6754   fi
6755 fi
6756
6757 # Probe for guest agent support/options
6758
6759 if [ "$guest_agent" != "no" ]; then
6760   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6761       guest_agent=no
6762   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6763       guest_agent=yes
6764   elif [ "$guest_agent" != yes ]; then
6765       guest_agent=no
6766   else
6767       error_exit "Guest agent is not supported on this platform"
6768   fi
6769 fi
6770
6771 # Guest agent Window MSI  package
6772
6773 if test "$guest_agent" != yes; then
6774   if test "$guest_agent_msi" = yes; then
6775     error_exit "MSI guest agent package requires guest agent enabled"
6776   fi
6777   guest_agent_msi=no
6778 elif test "$mingw32" != "yes"; then
6779   if test "$guest_agent_msi" = "yes"; then
6780     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6781   fi
6782   guest_agent_msi=no
6783 elif ! has wixl; then
6784   if test "$guest_agent_msi" = "yes"; then
6785     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6786   fi
6787   guest_agent_msi=no
6788 else
6789   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6790   # disabled explicitly
6791   if test "$guest_agent_msi" != "no"; then
6792     guest_agent_msi=yes
6793   fi
6794 fi
6795
6796 if test "$guest_agent_msi" = "yes"; then
6797   if test "$guest_agent_with_vss" = "yes"; then
6798     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6799   fi
6800
6801   if test "$QEMU_GA_MANUFACTURER" = ""; then
6802     QEMU_GA_MANUFACTURER=QEMU
6803   fi
6804
6805   if test "$QEMU_GA_DISTRO" = ""; then
6806     QEMU_GA_DISTRO=Linux
6807   fi
6808
6809   if test "$QEMU_GA_VERSION" = ""; then
6810       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6811   fi
6812
6813   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6814
6815   case "$cpu" in
6816   x86_64)
6817     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6818     ;;
6819   i386)
6820     QEMU_GA_MSI_ARCH="-D Arch=32"
6821     ;;
6822   *)
6823     error_exit "CPU $cpu not supported for building installation package"
6824     ;;
6825   esac
6826 fi
6827
6828 # Mac OS X ships with a broken assembler
6829 roms=
6830 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6831         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6832         test "$softmmu" = yes ; then
6833     # Different host OS linkers have different ideas about the name of the ELF
6834     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6835     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6836     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6837         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6838             ld_i386_emulation="$emu"
6839             roms="optionrom"
6840             break
6841         fi
6842     done
6843 fi
6844
6845 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6846 if test "$cpu" = "s390x" ; then
6847   write_c_skeleton
6848   if compile_prog "-march=z900" ""; then
6849     roms="$roms s390-ccw"
6850     # SLOF is required for building the s390-ccw firmware on s390x,
6851     # since it is using the libnet code from SLOF for network booting.
6852     if test -e "${source_path}/.git" ; then
6853       git_submodules="${git_submodules} roms/SLOF"
6854     fi
6855   fi
6856 fi
6857
6858 # Check that the C++ compiler exists and works with the C compiler.
6859 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6860 if has $cxx; then
6861     cat > $TMPC <<EOF
6862 int c_function(void);
6863 int main(void) { return c_function(); }
6864 EOF
6865
6866     compile_object
6867
6868     cat > $TMPCXX <<EOF
6869 extern "C" {
6870    int c_function(void);
6871 }
6872 int c_function(void) { return 42; }
6873 EOF
6874
6875     update_cxxflags
6876
6877     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6878         # C++ compiler $cxx works ok with C compiler $cc
6879         :
6880     else
6881         echo "C++ compiler $cxx does not work with C compiler $cc"
6882         echo "Disabling C++ specific optional code"
6883         cxx=
6884     fi
6885 else
6886     echo "No C++ compiler available; disabling C++ specific optional code"
6887     cxx=
6888 fi
6889
6890 echo_version() {
6891     if test "$1" = "yes" ; then
6892         echo "($2)"
6893     fi
6894 }
6895
6896 # prepend pixman and ftd flags after all config tests are done
6897 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6898 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6899 libs_softmmu="$pixman_libs $libs_softmmu"
6900
6901 config_host_mak="config-host.mak"
6902
6903 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6904
6905 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6906 echo >> $config_host_mak
6907
6908 echo all: >> $config_host_mak
6909 echo "prefix=$prefix" >> $config_host_mak
6910 echo "bindir=$bindir" >> $config_host_mak
6911 echo "libdir=$libdir" >> $config_host_mak
6912 echo "libexecdir=$libexecdir" >> $config_host_mak
6913 echo "includedir=$includedir" >> $config_host_mak
6914 echo "mandir=$mandir" >> $config_host_mak
6915 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6916 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6917 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6918 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6919 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6920 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6921 if test "$mingw32" = "no" ; then
6922   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6923 fi
6924 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6925 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6926 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6927 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6928 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6929 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6930 echo "GIT=$git" >> $config_host_mak
6931 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6932 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6933
6934 echo "ARCH=$ARCH" >> $config_host_mak
6935
6936 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6937 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6938
6939 if test "$default_devices" = "yes" ; then
6940   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6941 else
6942   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6943 fi
6944 if test "$debug_tcg" = "yes" ; then
6945   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6946 fi
6947 if test "$strip_opt" = "yes" ; then
6948   echo "STRIP=${strip}" >> $config_host_mak
6949 fi
6950 if test "$bigendian" = "yes" ; then
6951   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6952 fi
6953 if test "$mingw32" = "yes" ; then
6954   echo "CONFIG_WIN32=y" >> $config_host_mak
6955   rc_version=$(cat $source_path/VERSION)
6956   version_major=${rc_version%%.*}
6957   rc_version=${rc_version#*.}
6958   version_minor=${rc_version%%.*}
6959   rc_version=${rc_version#*.}
6960   version_subminor=${rc_version%%.*}
6961   version_micro=0
6962   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6963   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6964   if test "$guest_agent_with_vss" = "yes" ; then
6965     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6966     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6967     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6968   fi
6969   if test "$guest_agent_ntddscsi" = "yes" ; then
6970     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6971   fi
6972   if test "$guest_agent_msi" = "yes"; then
6973     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6974     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6975     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6976     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6977     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6978     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6979     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6980   fi
6981 else
6982   echo "CONFIG_POSIX=y" >> $config_host_mak
6983 fi
6984
6985 if test "$linux" = "yes" ; then
6986   echo "CONFIG_LINUX=y" >> $config_host_mak
6987 fi
6988
6989 if test "$darwin" = "yes" ; then
6990   echo "CONFIG_DARWIN=y" >> $config_host_mak
6991 fi
6992
6993 if test "$solaris" = "yes" ; then
6994   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6995 fi
6996 if test "$haiku" = "yes" ; then
6997   echo "CONFIG_HAIKU=y" >> $config_host_mak
6998 fi
6999 if test "$static" = "yes" ; then
7000   echo "CONFIG_STATIC=y" >> $config_host_mak
7001 fi
7002 if test "$profiler" = "yes" ; then
7003   echo "CONFIG_PROFILER=y" >> $config_host_mak
7004 fi
7005 if test "$want_tools" = "yes" ; then
7006   echo "CONFIG_TOOLS=y" >> $config_host_mak
7007 fi
7008 if test "$guest_agent" = "yes" ; then
7009   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
7010 fi
7011 if test "$slirp" != "no"; then
7012   echo "CONFIG_SLIRP=y" >> $config_host_mak
7013   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7014   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7015   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7016 fi
7017 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7018     echo "config-host.h: slirp/all" >> $config_host_mak
7019 fi
7020 if test "$vde" = "yes" ; then
7021   echo "CONFIG_VDE=y" >> $config_host_mak
7022   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7023 fi
7024 if test "$netmap" = "yes" ; then
7025   echo "CONFIG_NETMAP=y" >> $config_host_mak
7026 fi
7027 if test "$l2tpv3" = "yes" ; then
7028   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7029 fi
7030 if test "$gprof" = "yes" ; then
7031   echo "CONFIG_GPROF=y" >> $config_host_mak
7032 fi
7033 if test "$cap_ng" = "yes" ; then
7034   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7035   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
7036 fi
7037 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7038 for drv in $audio_drv_list; do
7039     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7040     case "$drv" in
7041         alsa | oss | pa | sdl)
7042             echo "$def=m" >> $config_host_mak ;;
7043         *)
7044             echo "$def=y" >> $config_host_mak ;;
7045     esac
7046 done
7047 if test "$alsa" = "yes" ; then
7048     echo "CONFIG_ALSA=y" >> $config_host_mak
7049 fi
7050 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7051 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
7052 if test "$libpulse" = "yes" ; then
7053     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
7054 fi
7055 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7056 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
7057 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7058 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7059 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7060 if test "$libjack" = "yes" ; then
7061     echo "CONFIG_LIBJACK=y" >> $config_host_mak
7062 fi
7063 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7064 if test "$audio_win_int" = "yes" ; then
7065   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7066 fi
7067 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7068 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7069 if test "$vnc" = "yes" ; then
7070   echo "CONFIG_VNC=y" >> $config_host_mak
7071 fi
7072 if test "$vnc_sasl" = "yes" ; then
7073   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7074 fi
7075 echo "SASL_CFLAGS=$vnc_sasl_cflags" >> $config_host_mak
7076 echo "SASL_LIBS=$vnc_sasl_libs" >> $config_host_mak
7077 if test "$vnc_jpeg" = "yes" ; then
7078   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7079 fi
7080 echo "JPEG_CFLAGS=$vnc_jpeg_cflags" >> $config_host_mak
7081 echo "JPEG_LIBS=$vnc_jpeg_libs" >> $config_host_mak
7082 if test "$vnc_png" = "yes" ; then
7083   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7084 fi
7085 echo "PNG_CFLAGS=$vnc_png_cflags" >> $config_host_mak
7086 echo "PNG_LIBS=$vnc_png_libs" >> $config_host_mak
7087 if test "$xkbcommon" = "yes" ; then
7088   echo "CONFIG_XKBCOMMON=y" >> $config_host_mak
7089   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7090   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7091 fi
7092 if test "$xfs" = "yes" ; then
7093   echo "CONFIG_XFS=y" >> $config_host_mak
7094 fi
7095 qemu_version=$(head $source_path/VERSION)
7096 echo "VERSION=$qemu_version" >>$config_host_mak
7097 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7098 echo "SRC_PATH=$source_path" >> $config_host_mak
7099 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7100 if [ "$docs" = "yes" ] ; then
7101   echo "BUILD_DOCS=yes" >> $config_host_mak
7102 fi
7103 if test "$modules" = "yes"; then
7104   # $shacmd can generate a hash started with digit, which the compiler doesn't
7105   # like as an symbol. So prefix it with an underscore
7106   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7107   echo "CONFIG_MODULES=y" >> $config_host_mak
7108 fi
7109 if test "$module_upgrades" = "yes"; then
7110   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7111 fi
7112 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7113   echo "CONFIG_X11=y" >> $config_host_mak
7114   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7115   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7116 fi
7117 if test "$sdl" = "yes" ; then
7118   echo "CONFIG_SDL=m" >> $config_host_mak
7119   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7120   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7121   if test "$sdl_image" = "yes" ; then
7122       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7123   fi
7124 fi
7125 if test "$cocoa" = "yes" ; then
7126   echo "CONFIG_COCOA=y" >> $config_host_mak
7127 fi
7128 if test "$iconv" = "yes" ; then
7129   echo "CONFIG_ICONV=y" >> $config_host_mak
7130   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7131   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7132 fi
7133 if test "$curses" = "yes" ; then
7134   echo "CONFIG_CURSES=m" >> $config_host_mak
7135   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7136   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7137 fi
7138 if test "$pipe2" = "yes" ; then
7139   echo "CONFIG_PIPE2=y" >> $config_host_mak
7140 fi
7141 if test "$accept4" = "yes" ; then
7142   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7143 fi
7144 if test "$splice" = "yes" ; then
7145   echo "CONFIG_SPLICE=y" >> $config_host_mak
7146 fi
7147 if test "$eventfd" = "yes" ; then
7148   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7149 fi
7150 if test "$memfd" = "yes" ; then
7151   echo "CONFIG_MEMFD=y" >> $config_host_mak
7152 fi
7153 if test "$have_usbfs" = "yes" ; then
7154   echo "CONFIG_USBFS=y" >> $config_host_mak
7155 fi
7156 if test "$fallocate" = "yes" ; then
7157   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7158 fi
7159 if test "$fallocate_punch_hole" = "yes" ; then
7160   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7161 fi
7162 if test "$fallocate_zero_range" = "yes" ; then
7163   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7164 fi
7165 if test "$posix_fallocate" = "yes" ; then
7166   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7167 fi
7168 if test "$sync_file_range" = "yes" ; then
7169   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7170 fi
7171 if test "$fiemap" = "yes" ; then
7172   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7173 fi
7174 if test "$dup3" = "yes" ; then
7175   echo "CONFIG_DUP3=y" >> $config_host_mak
7176 fi
7177 if test "$ppoll" = "yes" ; then
7178   echo "CONFIG_PPOLL=y" >> $config_host_mak
7179 fi
7180 if test "$prctl_pr_set_timerslack" = "yes" ; then
7181   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7182 fi
7183 if test "$epoll" = "yes" ; then
7184   echo "CONFIG_EPOLL=y" >> $config_host_mak
7185 fi
7186 if test "$epoll_create1" = "yes" ; then
7187   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7188 fi
7189 if test "$sendfile" = "yes" ; then
7190   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7191 fi
7192 if test "$timerfd" = "yes" ; then
7193   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7194 fi
7195 if test "$setns" = "yes" ; then
7196   echo "CONFIG_SETNS=y" >> $config_host_mak
7197 fi
7198 if test "$clock_adjtime" = "yes" ; then
7199   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7200 fi
7201 if test "$syncfs" = "yes" ; then
7202   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7203 fi
7204 if test "$kcov" = "yes" ; then
7205   echo "CONFIG_KCOV=y" >> $config_host_mak
7206 fi
7207 if test "$inotify" = "yes" ; then
7208   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7209 fi
7210 if test "$inotify1" = "yes" ; then
7211   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7212 fi
7213 if test "$sem_timedwait" = "yes" ; then
7214   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7215 fi
7216 if test "$strchrnul" = "yes" ; then
7217   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7218 fi
7219 if test "$st_atim" = "yes" ; then
7220   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7221 fi
7222 if test "$byteswap_h" = "yes" ; then
7223   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7224 fi
7225 if test "$bswap_h" = "yes" ; then
7226   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7227 fi
7228 if test "$curl" = "yes" ; then
7229   echo "CONFIG_CURL=m" >> $config_host_mak
7230   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7231   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7232 fi
7233 if test "$brlapi" = "yes" ; then
7234   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7235   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7236 fi
7237 if test "$gtk" = "yes" ; then
7238   echo "CONFIG_GTK=m" >> $config_host_mak
7239   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7240   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7241   if test "$gtk_gl" = "yes" ; then
7242     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7243   fi
7244 fi
7245 if test "$gio" = "yes" ; then
7246     echo "CONFIG_GIO=y" >> $config_host_mak
7247     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7248     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7249     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7250 fi
7251 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7252 if test "$gnutls" = "yes" ; then
7253   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7254   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7255   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7256 fi
7257 if test "$gcrypt" = "yes" ; then
7258   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7259   if test "$gcrypt_hmac" = "yes" ; then
7260     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7261   fi
7262 fi
7263 if test "$nettle" = "yes" ; then
7264   echo "CONFIG_NETTLE=y" >> $config_host_mak
7265   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7266   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7267   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7268 fi
7269 if test "$qemu_private_xts" = "yes" ; then
7270   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7271 fi
7272 if test "$tasn1" = "yes" ; then
7273   echo "CONFIG_TASN1=y" >> $config_host_mak
7274 fi
7275 if test "$auth_pam" = "yes" ; then
7276     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7277 fi
7278 if test "$have_ifaddrs_h" = "yes" ; then
7279     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7280 fi
7281 if test "$have_drm_h" = "yes" ; then
7282   echo "HAVE_DRM_H=y" >> $config_host_mak
7283 fi
7284 if test "$have_broken_size_max" = "yes" ; then
7285     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7286 fi
7287 if test "$have_openpty" = "yes" ; then
7288     echo "HAVE_OPENPTY=y" >> $config_host_mak
7289 fi
7290 if test "$have_sys_signal_h" = "yes" ; then
7291     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7292 fi
7293
7294 # Work around a system header bug with some kernel/XFS header
7295 # versions where they both try to define 'struct fsxattr':
7296 # xfs headers will not try to redefine structs from linux headers
7297 # if this macro is set.
7298 if test "$have_fsxattr" = "yes" ; then
7299     echo "HAVE_FSXATTR=y" >> $config_host_mak
7300 fi
7301 if test "$have_copy_file_range" = "yes" ; then
7302     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7303 fi
7304 if test "$vte" = "yes" ; then
7305   echo "CONFIG_VTE=y" >> $config_host_mak
7306   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7307   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7308 fi
7309 if test "$virglrenderer" = "yes" ; then
7310   echo "CONFIG_VIRGL=y" >> $config_host_mak
7311   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7312   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7313 fi
7314 if test "$xen" = "yes" ; then
7315   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7316   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7317   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7318   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7319 fi
7320 if test "$linux_aio" = "yes" ; then
7321   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7322 fi
7323 if test "$linux_io_uring" = "yes" ; then
7324   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7325   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7326   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7327 fi
7328 if test "$attr" = "yes" ; then
7329   echo "CONFIG_ATTR=y" >> $config_host_mak
7330   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7331 fi
7332 if test "$libattr" = "yes" ; then
7333   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7334 fi
7335 if test "$virtfs" = "yes" ; then
7336   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7337 fi
7338 if test "$mpath" = "yes" ; then
7339   echo "CONFIG_MPATH=y" >> $config_host_mak
7340   if test "$mpathpersist_new_api" = "yes"; then
7341     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7342   fi
7343 fi
7344 if test "$vhost_scsi" = "yes" ; then
7345   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7346 fi
7347 if test "$vhost_net" = "yes" ; then
7348   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7349 fi
7350 if test "$vhost_net_user" = "yes" ; then
7351   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7352 fi
7353 if test "$vhost_net_vdpa" = "yes" ; then
7354   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7355 fi
7356 if test "$vhost_crypto" = "yes" ; then
7357   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7358 fi
7359 if test "$vhost_vsock" = "yes" ; then
7360   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7361   if test "$vhost_user" = "yes" ; then
7362     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7363   fi
7364 fi
7365 if test "$vhost_kernel" = "yes" ; then
7366   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7367 fi
7368 if test "$vhost_user" = "yes" ; then
7369   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7370 fi
7371 if test "$vhost_vdpa" = "yes" ; then
7372   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7373 fi
7374 if test "$vhost_user_fs" = "yes" ; then
7375   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7376 fi
7377 if test "$blobs" = "yes" ; then
7378   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7379 fi
7380 if test "$iovec" = "yes" ; then
7381   echo "CONFIG_IOVEC=y" >> $config_host_mak
7382 fi
7383 if test "$preadv" = "yes" ; then
7384   echo "CONFIG_PREADV=y" >> $config_host_mak
7385 fi
7386 if test "$fdt" != "no" ; then
7387   echo "CONFIG_FDT=y" >> $config_host_mak
7388   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7389   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7390 fi
7391 if test "$membarrier" = "yes" ; then
7392   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7393 fi
7394 if test "$signalfd" = "yes" ; then
7395   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7396 fi
7397 if test "$optreset" = "yes" ; then
7398   echo "HAVE_OPTRESET=y" >> $config_host_mak
7399 fi
7400 if test "$tcg" = "yes"; then
7401   echo "CONFIG_TCG=y" >> $config_host_mak
7402   if test "$tcg_interpreter" = "yes" ; then
7403     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7404   fi
7405 fi
7406 if test "$fdatasync" = "yes" ; then
7407   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7408 fi
7409 if test "$madvise" = "yes" ; then
7410   echo "CONFIG_MADVISE=y" >> $config_host_mak
7411 fi
7412 if test "$posix_madvise" = "yes" ; then
7413   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7414 fi
7415 if test "$posix_memalign" = "yes" ; then
7416   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7417 fi
7418 if test "$zlib" != "no" ; then
7419     echo "CONFIG_ZLIB=y" >> $config_host_mak
7420     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7421     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7422 fi
7423 if test "$spice" = "yes" ; then
7424   echo "CONFIG_SPICE=y" >> $config_host_mak
7425   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7426   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7427 fi
7428
7429 if test "$smartcard" = "yes" ; then
7430   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7431   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7432   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7433 fi
7434
7435 if test "$libusb" = "yes" ; then
7436   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7437   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7438   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7439 fi
7440
7441 if test "$usb_redir" = "yes" ; then
7442   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7443   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7444   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7445 fi
7446
7447 if test "$opengl" = "yes" ; then
7448   echo "CONFIG_OPENGL=y" >> $config_host_mak
7449   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7450   if test "$opengl_dmabuf" = "yes" ; then
7451     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7452   fi
7453 fi
7454
7455 if test "$gbm" = "yes" ; then
7456     echo "CONFIG_GBM=y" >> $config_host_mak
7457     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7458     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7459 fi
7460
7461
7462 if test "$malloc_trim" = "yes" ; then
7463   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7464 fi
7465
7466 if test "$avx2_opt" = "yes" ; then
7467   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7468 fi
7469
7470 if test "$avx512f_opt" = "yes" ; then
7471   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7472 fi
7473
7474 if test "$lzo" = "yes" ; then
7475   echo "CONFIG_LZO=y" >> $config_host_mak
7476   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7477 fi
7478
7479 if test "$snappy" = "yes" ; then
7480   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7481   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7482 fi
7483
7484 if test "$bzip2" = "yes" ; then
7485   echo "CONFIG_BZIP2=y" >> $config_host_mak
7486   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7487 fi
7488
7489 if test "$lzfse" = "yes" ; then
7490   echo "CONFIG_LZFSE=y" >> $config_host_mak
7491   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7492 fi
7493
7494 if test "$zstd" = "yes" ; then
7495   echo "CONFIG_ZSTD=y" >> $config_host_mak
7496   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7497   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7498 fi
7499
7500 if test "$libiscsi" = "yes" ; then
7501   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7502   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7503   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7504 fi
7505
7506 if test "$libnfs" = "yes" ; then
7507   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7508   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7509 fi
7510
7511 if test "$seccomp" = "yes"; then
7512   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7513   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7514   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7515 fi
7516
7517 # XXX: suppress that
7518 if [ "$bsd" = "yes" ] ; then
7519   echo "CONFIG_BSD=y" >> $config_host_mak
7520 fi
7521
7522 if test "$localtime_r" = "yes" ; then
7523   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7524 fi
7525 if test "$qom_cast_debug" = "yes" ; then
7526   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7527 fi
7528 if test "$rbd" = "yes" ; then
7529   echo "CONFIG_RBD=m" >> $config_host_mak
7530   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7531 fi
7532
7533 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7534 if test "$coroutine_pool" = "yes" ; then
7535   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7536 else
7537   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7538 fi
7539
7540 if test "$debug_stack_usage" = "yes" ; then
7541   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7542 fi
7543
7544 if test "$crypto_afalg" = "yes" ; then
7545   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7546 fi
7547
7548 if test "$open_by_handle_at" = "yes" ; then
7549   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7550 fi
7551
7552 if test "$linux_magic_h" = "yes" ; then
7553   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7554 fi
7555
7556 if test "$valgrind_h" = "yes" ; then
7557   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7558 fi
7559
7560 if test "$have_asan_iface_fiber" = "yes" ; then
7561     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7562 fi
7563
7564 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7565     echo "CONFIG_TSAN=y" >> $config_host_mak
7566 fi
7567
7568 if test "$has_environ" = "yes" ; then
7569   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7570 fi
7571
7572 if test "$cpuid_h" = "yes" ; then
7573   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7574 fi
7575
7576 if test "$int128" = "yes" ; then
7577   echo "CONFIG_INT128=y" >> $config_host_mak
7578 fi
7579
7580 if test "$atomic128" = "yes" ; then
7581   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7582 fi
7583
7584 if test "$cmpxchg128" = "yes" ; then
7585   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7586 fi
7587
7588 if test "$atomic64" = "yes" ; then
7589   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7590 fi
7591
7592 if test "$attralias" = "yes" ; then
7593   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7594 fi
7595
7596 if test "$getauxval" = "yes" ; then
7597   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7598 fi
7599
7600 if test "$glusterfs" = "yes" ; then
7601   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7602   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7603   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7604 fi
7605
7606 if test "$glusterfs_xlator_opt" = "yes" ; then
7607   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7608 fi
7609
7610 if test "$glusterfs_discard" = "yes" ; then
7611   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7612 fi
7613
7614 if test "$glusterfs_fallocate" = "yes" ; then
7615   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7616 fi
7617
7618 if test "$glusterfs_zerofill" = "yes" ; then
7619   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7620 fi
7621
7622 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7623   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7624 fi
7625
7626 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7627   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7628 fi
7629
7630 if test "$libssh" = "yes" ; then
7631   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7632   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7633   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7634 fi
7635
7636 if test "$live_block_migration" = "yes" ; then
7637   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7638 fi
7639
7640 if test "$tpm" = "yes"; then
7641   echo 'CONFIG_TPM=y' >> $config_host_mak
7642 fi
7643
7644 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7645 if have_backend "nop"; then
7646   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7647 fi
7648 if have_backend "simple"; then
7649   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7650   # Set the appropriate trace file.
7651   trace_file="\"$trace_file-\" FMT_pid"
7652 fi
7653 if have_backend "log"; then
7654   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7655 fi
7656 if have_backend "ust"; then
7657   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7658   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7659   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7660 fi
7661 if have_backend "dtrace"; then
7662   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7663   if test "$trace_backend_stap" = "yes" ; then
7664     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7665   fi
7666 fi
7667 if have_backend "ftrace"; then
7668   if test "$linux" = "yes" ; then
7669     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7670   else
7671     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7672   fi
7673 fi
7674 if have_backend "syslog"; then
7675   if test "$posix_syslog" = "yes" ; then
7676     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7677   else
7678     feature_not_found "syslog(trace backend)" "syslog not available"
7679   fi
7680 fi
7681 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7682
7683 if test "$rdma" = "yes" ; then
7684   echo "CONFIG_RDMA=y" >> $config_host_mak
7685   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7686 fi
7687
7688 if test "$pvrdma" = "yes" ; then
7689   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7690 fi
7691
7692 if test "$have_rtnetlink" = "yes" ; then
7693   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7694 fi
7695
7696 if test "$libxml2" = "yes" ; then
7697   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7698   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7699   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7700 fi
7701
7702 if test "$replication" = "yes" ; then
7703   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7704 fi
7705
7706 if test "$have_af_vsock" = "yes" ; then
7707   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7708 fi
7709
7710 if test "$have_sysmacros" = "yes" ; then
7711   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7712 fi
7713
7714 if test "$have_static_assert" = "yes" ; then
7715   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7716 fi
7717
7718 if test "$have_utmpx" = "yes" ; then
7719   echo "HAVE_UTMPX=y" >> $config_host_mak
7720 fi
7721 if test "$have_getrandom" = "yes" ; then
7722   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7723 fi
7724 if test "$ivshmem" = "yes" ; then
7725   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7726 fi
7727 if test "$capstone" != "no" ; then
7728   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7729 fi
7730 if test "$debug_mutex" = "yes" ; then
7731   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7732 fi
7733
7734 # Hold two types of flag:
7735 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7736 #                                     a thread we have a handle to
7737 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7738 #                                     platform
7739 if test "$pthread_setname_np_w_tid" = "yes" ; then
7740   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7741   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7742 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7743   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7744   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7745 fi
7746
7747 if test "$libpmem" = "yes" ; then
7748   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7749 fi
7750
7751 if test "$libdaxctl" = "yes" ; then
7752   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7753 fi
7754
7755 if test "$bochs" = "yes" ; then
7756   echo "CONFIG_BOCHS=y" >> $config_host_mak
7757 fi
7758 if test "$cloop" = "yes" ; then
7759   echo "CONFIG_CLOOP=y" >> $config_host_mak
7760 fi
7761 if test "$dmg" = "yes" ; then
7762   echo "CONFIG_DMG=y" >> $config_host_mak
7763 fi
7764 if test "$qcow1" = "yes" ; then
7765   echo "CONFIG_QCOW1=y" >> $config_host_mak
7766 fi
7767 if test "$vdi" = "yes" ; then
7768   echo "CONFIG_VDI=y" >> $config_host_mak
7769 fi
7770 if test "$vvfat" = "yes" ; then
7771   echo "CONFIG_VVFAT=y" >> $config_host_mak
7772 fi
7773 if test "$qed" = "yes" ; then
7774   echo "CONFIG_QED=y" >> $config_host_mak
7775 fi
7776 if test "$parallels" = "yes" ; then
7777   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7778 fi
7779 if test "$sheepdog" = "yes" ; then
7780   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7781 fi
7782 if test "$pty_h" = "yes" ; then
7783   echo "HAVE_PTY_H=y" >> $config_host_mak
7784 fi
7785 if test "$have_mlockall" = "yes" ; then
7786   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7787 fi
7788 if test "$fuzzing" = "yes" ; then
7789   if test "$have_fuzzer" = "yes"; then
7790     FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7791     FUZZ_CFLAGS=" -fsanitize=fuzzer"
7792     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7793   else
7794     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7795     exit 1
7796   fi
7797 fi
7798
7799 if test "$plugins" = "yes" ; then
7800     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7801     LIBS="-ldl $LIBS"
7802     # Copy the export object list to the build dir
7803     if test "$ld_dynamic_list" = "yes" ; then
7804         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7805         ld_symbols=qemu-plugins-ld.symbols
7806         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7807     elif test "$ld_exported_symbols_list" = "yes" ; then
7808         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7809         ld64_symbols=qemu-plugins-ld64.symbols
7810         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7811         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7812             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7813     else
7814         error_exit \
7815             "If \$plugins=yes, either \$ld_dynamic_list or " \
7816             "\$ld_exported_symbols_list should have been set to 'yes'."
7817     fi
7818 fi
7819
7820 if test -n "$gdb_bin" ; then
7821     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7822 fi
7823
7824 if test "$secret_keyring" = "yes" ; then
7825   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7826   if test "$have_keyutils" = "yes" ; then
7827     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7828   fi
7829 fi
7830
7831 if test "$tcg_interpreter" = "yes"; then
7832   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7833 elif test "$ARCH" = "sparc64" ; then
7834   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7835 elif test "$ARCH" = "s390x" ; then
7836   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7837 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7838   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7839 elif test "$ARCH" = "ppc64" ; then
7840   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7841 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7842   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7843 else
7844   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7845 fi
7846
7847 echo "ROMS=$roms" >> $config_host_mak
7848 echo "MAKE=$make" >> $config_host_mak
7849 echo "INSTALL=$install" >> $config_host_mak
7850 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7851 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7852 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7853 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7854 echo "PYTHON=$python" >> $config_host_mak
7855 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7856 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7857 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7858 echo "MESON=$meson" >> $config_host_mak
7859 echo "CC=$cc" >> $config_host_mak
7860 if $iasl -h > /dev/null 2>&1; then
7861   echo "IASL=$iasl" >> $config_host_mak
7862 fi
7863 echo "CXX=$cxx" >> $config_host_mak
7864 echo "OBJCC=$objcc" >> $config_host_mak
7865 echo "AR=$ar" >> $config_host_mak
7866 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7867 echo "AS=$as" >> $config_host_mak
7868 echo "CCAS=$ccas" >> $config_host_mak
7869 echo "CPP=$cpp" >> $config_host_mak
7870 echo "OBJCOPY=$objcopy" >> $config_host_mak
7871 echo "LD=$ld" >> $config_host_mak
7872 echo "RANLIB=$ranlib" >> $config_host_mak
7873 echo "NM=$nm" >> $config_host_mak
7874 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7875 echo "WINDRES=$windres" >> $config_host_mak
7876 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7877 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7878 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7879 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7880 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7881 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7882 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7883 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7884 if test "$sparse" = "yes" ; then
7885   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7886 fi
7887 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7888 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7889 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7890 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7891 echo "LIBS+=$LIBS" >> $config_host_mak
7892 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7893 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7894 echo "EXESUF=$EXESUF" >> $config_host_mak
7895 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7896 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7897 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7898 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7899 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7900 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7901 if test "$gcov" = "yes" ; then
7902   echo "CONFIG_GCOV=y" >> $config_host_mak
7903 fi
7904
7905 if test "$libudev" != "no"; then
7906     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7907     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7908 fi
7909 if test "$fuzzing" != "no"; then
7910     echo "CONFIG_FUZZ=y" >> $config_host_mak
7911     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7912     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7913 fi
7914
7915 if test "$edk2_blobs" = "yes" ; then
7916   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7917 fi
7918
7919 if test "$rng_none" = "yes"; then
7920   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7921 fi
7922
7923 # use included Linux headers
7924 if test "$linux" = "yes" ; then
7925   mkdir -p linux-headers
7926   case "$cpu" in
7927   i386|x86_64|x32)
7928     linux_arch=x86
7929     ;;
7930   ppc|ppc64|ppc64le)
7931     linux_arch=powerpc
7932     ;;
7933   s390x)
7934     linux_arch=s390
7935     ;;
7936   aarch64)
7937     linux_arch=arm64
7938     ;;
7939   mips64)
7940     linux_arch=mips
7941     ;;
7942   *)
7943     # For most CPUs the kernel architecture name and QEMU CPU name match.
7944     linux_arch="$cpu"
7945     ;;
7946   esac
7947     # For non-KVM architectures we will not have asm headers
7948     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7949       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7950     fi
7951 fi
7952
7953 for target in $target_list; do
7954 target_dir="$target"
7955 config_target_mak=$target_dir/config-target.mak
7956 target_name=$(echo $target | cut -d '-' -f 1)
7957 target_aligned_only="no"
7958 case "$target_name" in
7959   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7960   target_aligned_only="yes"
7961   ;;
7962 esac
7963 target_bigendian="no"
7964 case "$target_name" in
7965   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7966   target_bigendian="yes"
7967   ;;
7968 esac
7969 target_softmmu="no"
7970 target_user_only="no"
7971 target_linux_user="no"
7972 target_bsd_user="no"
7973 case "$target" in
7974   ${target_name}-softmmu)
7975     target_softmmu="yes"
7976     ;;
7977   ${target_name}-linux-user)
7978     target_user_only="yes"
7979     target_linux_user="yes"
7980     ;;
7981   ${target_name}-bsd-user)
7982     target_user_only="yes"
7983     target_bsd_user="yes"
7984     ;;
7985   *)
7986     error_exit "Target '$target' not recognised"
7987     exit 1
7988     ;;
7989 esac
7990
7991 mkdir -p $target_dir
7992 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7993
7994 bflt="no"
7995 mttcg="no"
7996 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7997 gdb_xml_files=""
7998
7999 TARGET_ARCH="$target_name"
8000 TARGET_BASE_ARCH=""
8001 TARGET_ABI_DIR=""
8002
8003 case "$target_name" in
8004   i386)
8005     mttcg="yes"
8006         gdb_xml_files="i386-32bit.xml"
8007     TARGET_SYSTBL_ABI=i386
8008   ;;
8009   x86_64)
8010     TARGET_BASE_ARCH=i386
8011     TARGET_SYSTBL_ABI=common,64
8012     mttcg="yes"
8013         gdb_xml_files="i386-64bit.xml"
8014   ;;
8015   alpha)
8016     mttcg="yes"
8017     TARGET_SYSTBL_ABI=common
8018   ;;
8019   arm|armeb)
8020     TARGET_ARCH=arm
8021     TARGET_SYSTBL_ABI=common,oabi
8022     bflt="yes"
8023     mttcg="yes"
8024     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8025   ;;
8026   aarch64|aarch64_be)
8027     TARGET_ARCH=aarch64
8028     TARGET_BASE_ARCH=arm
8029     bflt="yes"
8030     mttcg="yes"
8031     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"
8032   ;;
8033   avr)
8034     gdb_xml_files="avr-cpu.xml"
8035     target_compiler=$cross_cc_avr
8036   ;;
8037   cris)
8038   ;;
8039   hppa)
8040     mttcg="yes"
8041     TARGET_SYSTBL_ABI=common,32
8042   ;;
8043   lm32)
8044   ;;
8045   m68k)
8046     bflt="yes"
8047     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8048     TARGET_SYSTBL_ABI=common
8049   ;;
8050   microblaze|microblazeel)
8051     TARGET_ARCH=microblaze
8052     TARGET_SYSTBL_ABI=common
8053     bflt="yes"
8054     echo "TARGET_ABI32=y" >> $config_target_mak
8055   ;;
8056   mips|mipsel)
8057     mttcg="yes"
8058     TARGET_ARCH=mips
8059     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8060     TARGET_SYSTBL_ABI=o32
8061   ;;
8062   mipsn32|mipsn32el)
8063     mttcg="yes"
8064     TARGET_ARCH=mips64
8065     TARGET_BASE_ARCH=mips
8066     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8067     echo "TARGET_ABI32=y" >> $config_target_mak
8068     TARGET_SYSTBL_ABI=n32
8069   ;;
8070   mips64|mips64el)
8071     mttcg="no"
8072     TARGET_ARCH=mips64
8073     TARGET_BASE_ARCH=mips
8074     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8075     TARGET_SYSTBL_ABI=n64
8076   ;;
8077   moxie)
8078   ;;
8079   nios2)
8080   ;;
8081   or1k)
8082     TARGET_ARCH=openrisc
8083     TARGET_BASE_ARCH=openrisc
8084   ;;
8085   ppc)
8086     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8087     TARGET_SYSTBL_ABI=common,nospu,32
8088   ;;
8089   ppc64)
8090     TARGET_BASE_ARCH=ppc
8091     TARGET_ABI_DIR=ppc
8092     TARGET_SYSTBL_ABI=common,nospu,64
8093     mttcg=yes
8094     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8095   ;;
8096   ppc64le)
8097     TARGET_ARCH=ppc64
8098     TARGET_BASE_ARCH=ppc
8099     TARGET_ABI_DIR=ppc
8100     TARGET_SYSTBL_ABI=common,nospu,64
8101     mttcg=yes
8102     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8103   ;;
8104   ppc64abi32)
8105     TARGET_ARCH=ppc64
8106     TARGET_BASE_ARCH=ppc
8107     TARGET_ABI_DIR=ppc
8108     TARGET_SYSTBL_ABI=common,nospu,32
8109     echo "TARGET_ABI32=y" >> $config_target_mak
8110     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8111   ;;
8112   riscv32)
8113     TARGET_BASE_ARCH=riscv
8114     TARGET_ABI_DIR=riscv
8115     mttcg=yes
8116     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8117   ;;
8118   riscv64)
8119     TARGET_BASE_ARCH=riscv
8120     TARGET_ABI_DIR=riscv
8121     mttcg=yes
8122     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8123   ;;
8124   rx)
8125     TARGET_ARCH=rx
8126     bflt="yes"
8127     target_compiler=$cross_cc_rx
8128     gdb_xml_files="rx-core.xml"
8129   ;;
8130   sh4|sh4eb)
8131     TARGET_ARCH=sh4
8132     TARGET_SYSTBL_ABI=common
8133     bflt="yes"
8134   ;;
8135   sparc)
8136     TARGET_SYSTBL_ABI=common,32
8137   ;;
8138   sparc64)
8139     TARGET_BASE_ARCH=sparc
8140     TARGET_SYSTBL_ABI=common,64
8141   ;;
8142   sparc32plus)
8143     TARGET_ARCH=sparc64
8144     TARGET_BASE_ARCH=sparc
8145     TARGET_ABI_DIR=sparc
8146     TARGET_SYSTBL_ABI=common,32
8147     echo "TARGET_ABI32=y" >> $config_target_mak
8148   ;;
8149   s390x)
8150     TARGET_SYSTBL_ABI=common,64
8151     mttcg=yes
8152     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8153   ;;
8154   tilegx)
8155   ;;
8156   tricore)
8157   ;;
8158   unicore32)
8159   ;;
8160   xtensa|xtensaeb)
8161     TARGET_ARCH=xtensa
8162     TARGET_SYSTBL_ABI=common
8163     bflt="yes"
8164     mttcg="yes"
8165   ;;
8166   *)
8167     error_exit "Unsupported target CPU"
8168   ;;
8169 esac
8170 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8171 if [ "$TARGET_BASE_ARCH" = "" ]; then
8172   TARGET_BASE_ARCH=$TARGET_ARCH
8173 fi
8174
8175 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8176
8177 upper() {
8178     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8179 }
8180
8181 target_arch_name="$(upper $TARGET_ARCH)"
8182 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8183 echo "TARGET_NAME=$target_name" >> $config_target_mak
8184 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8185 if [ "$TARGET_ABI_DIR" = "" ]; then
8186   TARGET_ABI_DIR=$TARGET_ARCH
8187 fi
8188 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8189 if [ "$HOST_VARIANT_DIR" != "" ]; then
8190     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8191 fi
8192 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8193     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8194 fi
8195
8196 if supported_xen_target $target; then
8197     echo "CONFIG_XEN=y" >> $config_target_mak
8198     if test "$xen_pci_passthrough" = yes; then
8199         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8200     fi
8201 fi
8202 if supported_kvm_target $target; then
8203     echo "CONFIG_KVM=y" >> $config_target_mak
8204 fi
8205 if supported_hax_target $target; then
8206     echo "CONFIG_HAX=y" >> $config_target_mak
8207 fi
8208 if supported_hvf_target $target; then
8209     echo "CONFIG_HVF=y" >> $config_target_mak
8210 fi
8211 if supported_whpx_target $target; then
8212     echo "CONFIG_WHPX=y" >> $config_target_mak
8213 fi
8214 if test "$target_aligned_only" = "yes" ; then
8215   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8216 fi
8217 if test "$target_bigendian" = "yes" ; then
8218   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8219 fi
8220 if test "$target_softmmu" = "yes" ; then
8221   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8222   if test "$mttcg" = "yes" ; then
8223     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8224   fi
8225 fi
8226 if test "$target_user_only" = "yes" ; then
8227   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8228   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8229 fi
8230 if test "$target_linux_user" = "yes" ; then
8231   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8232 fi
8233 list=""
8234 if test ! -z "$gdb_xml_files" ; then
8235   for x in $gdb_xml_files; do
8236     list="$list $source_path/gdb-xml/$x"
8237   done
8238   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8239 fi
8240
8241 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8242   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8243 fi
8244 if test "$target_bsd_user" = "yes" ; then
8245   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8246 fi
8247
8248
8249 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8250
8251 cflags=""
8252 ldflags=""
8253
8254 disas_config() {
8255   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8256   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8257 }
8258
8259 for i in $ARCH $TARGET_BASE_ARCH ; do
8260   case "$i" in
8261   alpha)
8262     disas_config "ALPHA"
8263   ;;
8264   aarch64)
8265     if test -n "${cxx}"; then
8266       disas_config "ARM_A64"
8267     fi
8268   ;;
8269   arm)
8270     disas_config "ARM"
8271     if test -n "${cxx}"; then
8272       disas_config "ARM_A64"
8273     fi
8274   ;;
8275   avr)
8276     disas_config "AVR"
8277   ;;
8278   cris)
8279     disas_config "CRIS"
8280   ;;
8281   hppa)
8282     disas_config "HPPA"
8283   ;;
8284   i386|x86_64|x32)
8285     disas_config "I386"
8286   ;;
8287   lm32)
8288     disas_config "LM32"
8289   ;;
8290   m68k)
8291     disas_config "M68K"
8292   ;;
8293   microblaze*)
8294     disas_config "MICROBLAZE"
8295   ;;
8296   mips*)
8297     disas_config "MIPS"
8298     if test -n "${cxx}"; then
8299       disas_config "NANOMIPS"
8300     fi
8301   ;;
8302   moxie*)
8303     disas_config "MOXIE"
8304   ;;
8305   nios2)
8306     disas_config "NIOS2"
8307   ;;
8308   or1k)
8309     disas_config "OPENRISC"
8310   ;;
8311   ppc*)
8312     disas_config "PPC"
8313   ;;
8314   riscv*)
8315     disas_config "RISCV"
8316   ;;
8317   rx)
8318     disas_config "RX"
8319   ;;
8320   s390*)
8321     disas_config "S390"
8322   ;;
8323   sh4)
8324     disas_config "SH4"
8325   ;;
8326   sparc*)
8327     disas_config "SPARC"
8328   ;;
8329   xtensa*)
8330     disas_config "XTENSA"
8331   ;;
8332   esac
8333 done
8334 if test "$tcg_interpreter" = "yes" ; then
8335   disas_config "TCI"
8336 fi
8337
8338 # Newer kernels on s390 check for an S390_PGSTE program header and
8339 # enable the pgste page table extensions in that case. This makes
8340 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8341 # header if
8342 #  - we build on s390x
8343 #  - we build the system emulation for s390x (qemu-system-s390x)
8344 #  - KVM is enabled
8345 #  - the linker supports --s390-pgste
8346 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8347         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8348     if ld_has --s390-pgste ; then
8349         ldflags="-Wl,--s390-pgste $ldflags"
8350     fi
8351 fi
8352
8353 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8354 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8355
8356 done # for target in $targets
8357
8358 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8359 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8360
8361 if [ "$fdt" = "git" ]; then
8362   echo "config-host.h: dtc/all" >> $config_host_mak
8363 fi
8364 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8365   echo "config-host.h: capstone/all" >> $config_host_mak
8366 fi
8367 if test -n "$LIBCAPSTONE"; then
8368   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8369 fi
8370
8371 if test "$numa" = "yes"; then
8372   echo "CONFIG_NUMA=y" >> $config_host_mak
8373   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8374 fi
8375
8376 if test "$ccache_cpp2" = "yes"; then
8377   echo "export CCACHE_CPP2=y" >> $config_host_mak
8378 fi
8379
8380 if test "$safe_stack" = "yes"; then
8381   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8382 fi
8383
8384 # If we're using a separate build tree, set it up now.
8385 # DIRS are directories which we simply mkdir in the build tree;
8386 # LINKS are things to symlink back into the source tree
8387 # (these can be both files and directories).
8388 # Caution: do not add files or directories here using wildcards. This
8389 # will result in problems later if a new file matching the wildcard is
8390 # added to the source tree -- nothing will cause configure to be rerun
8391 # so the build tree will be missing the link back to the new file, and
8392 # tests might fail. Prefer to keep the relevant files in their own
8393 # directory and symlink the directory instead.
8394 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8395 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8396 DIRS="$DIRS docs docs/interop fsdev scsi"
8397 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8398 DIRS="$DIRS roms/seabios"
8399 LINKS="Makefile"
8400 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8401 LINKS="$LINKS tests/tcg/Makefile.target"
8402 LINKS="$LINKS tests/plugin/Makefile"
8403 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8404 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8405 LINKS="$LINKS roms/seabios/Makefile"
8406 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8407 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8408 LINKS="$LINKS tests/acceptance tests/data"
8409 LINKS="$LINKS tests/qemu-iotests/check"
8410 LINKS="$LINKS python"
8411 for bios_file in \
8412     $source_path/pc-bios/*.bin \
8413     $source_path/pc-bios/*.lid \
8414     $source_path/pc-bios/*.rom \
8415     $source_path/pc-bios/*.dtb \
8416     $source_path/pc-bios/*.img \
8417     $source_path/pc-bios/openbios-* \
8418     $source_path/pc-bios/u-boot.* \
8419     $source_path/pc-bios/edk2-*.fd.bz2 \
8420     $source_path/pc-bios/palcode-*
8421 do
8422     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8423 done
8424 mkdir -p $DIRS
8425 for f in $LINKS ; do
8426     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8427         symlink "$source_path/$f" "$f"
8428     fi
8429 done
8430
8431 (for i in $cross_cc_vars; do
8432   export $i
8433 done
8434 export target_list source_path use_containers
8435 $source_path/tests/tcg/configure.sh)
8436
8437 # temporary config to build submodules
8438 for rom in seabios; do
8439     config_mak=roms/$rom/config.mak
8440     echo "# Automatically generated by configure - do not modify" > $config_mak
8441     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8442     echo "AS=$as" >> $config_mak
8443     echo "CCAS=$ccas" >> $config_mak
8444     echo "CC=$cc" >> $config_mak
8445     echo "BCC=bcc" >> $config_mak
8446     echo "CPP=$cpp" >> $config_mak
8447     echo "OBJCOPY=objcopy" >> $config_mak
8448     echo "IASL=$iasl" >> $config_mak
8449     echo "LD=$ld" >> $config_mak
8450     echo "RANLIB=$ranlib" >> $config_mak
8451 done
8452
8453 # set up qemu-iotests in this build directory
8454 iotests_common_env="tests/qemu-iotests/common.env"
8455
8456 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8457 echo >> "$iotests_common_env"
8458 echo "export PYTHON='$python'" >> "$iotests_common_env"
8459
8460 if test "$skip_meson" = no; then
8461 cross="config-meson.cross.new"
8462 meson_quote() {
8463     echo "['$(echo $* | sed "s/ /','/g")']"
8464 }
8465
8466 echo "# Automatically generated by configure - do not modify" > $cross
8467 echo "[properties]" >> $cross
8468 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8469 echo "[binaries]" >> $cross
8470 echo "c = $(meson_quote $cc)" >> $cross
8471 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8472 echo "ar = $(meson_quote $ar)" >> $cross
8473 echo "nm = $(meson_quote $nm)" >> $cross
8474 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8475 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8476 echo "strip = $(meson_quote $strip)" >> $cross
8477 echo "windres = $(meson_quote $windres)" >> $cross
8478 if test -n "$cross_prefix"; then
8479     cross_arg="--cross-file config-meson.cross"
8480     # Hack: Meson expects an absolute path for the *build* machine
8481     # for the prefix, so add a slash in front of a Windows path that
8482     # includes a drive letter.
8483     #
8484     # See https://github.com/mesonbuild/meson/issues/7577.
8485     echo "[host_machine]" >> $cross
8486     if test "$mingw32" = "yes" ; then
8487         echo "system = 'windows'" >> $cross
8488         case $prefix in
8489             ?:*) pre_prefix=/ ;;
8490         esac
8491     fi
8492     case "$ARCH" in
8493         i386|x86_64)
8494             echo "cpu_family = 'x86'" >> $cross
8495             ;;
8496         ppc64le)
8497             echo "cpu_family = 'ppc64'" >> $cross
8498             ;;
8499         *)
8500             echo "cpu_family = '$ARCH'" >> $cross
8501             ;;
8502     esac
8503     echo "cpu = '$cpu'" >> $cross
8504     if test "$bigendian" = "yes" ; then
8505         echo "endian = 'big'" >> $cross
8506     else
8507         echo "endian = 'little'" >> $cross
8508     fi
8509 else
8510     cross_arg="--native-file config-meson.cross"
8511 fi
8512 mv $cross config-meson.cross
8513
8514 rm -rf meson-private meson-info meson-logs
8515 NINJA=$PWD/ninjatool $meson setup \
8516         --prefix "${pre_prefix}$prefix" \
8517         --libdir "${pre_prefix}$libdir" \
8518         --libexecdir "${pre_prefix}$libexecdir" \
8519         --bindir "${pre_prefix}$bindir" \
8520         --includedir "${pre_prefix}$includedir" \
8521         --datadir "${pre_prefix}$datadir" \
8522         --mandir "${pre_prefix}$mandir" \
8523         --sysconfdir "${pre_prefix}$sysconfdir" \
8524         --localstatedir "${pre_prefix}$local_statedir" \
8525         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8526         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8527         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8528         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8529         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8530         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8531         $cross_arg \
8532         "$PWD" "$source_path"
8533
8534 if test "$?" -ne 0 ; then
8535     error_exit "meson setup failed"
8536 fi
8537 touch ninjatool.stamp
8538 fi
8539
8540 # Save the configure command line for later reuse.
8541 cat <<EOD >config.status
8542 #!/bin/sh
8543 # Generated by configure.
8544 # Run this file to recreate the current configuration.
8545 # Compiler output produced by configure, useful for debugging
8546 # configure, is in config.log if it exists.
8547 EOD
8548
8549 preserve_env() {
8550     envname=$1
8551
8552     eval envval=\$$envname
8553
8554     if test -n "$envval"
8555     then
8556         echo "$envname='$envval'" >> config.status
8557         echo "export $envname" >> config.status
8558     else
8559         echo "unset $envname" >> config.status
8560     fi
8561 }
8562
8563 # Preserve various env variables that influence what
8564 # features/build target configure will detect
8565 preserve_env AR
8566 preserve_env AS
8567 preserve_env CC
8568 preserve_env CPP
8569 preserve_env CXX
8570 preserve_env INSTALL
8571 preserve_env LD
8572 preserve_env LD_LIBRARY_PATH
8573 preserve_env LIBTOOL
8574 preserve_env MAKE
8575 preserve_env NM
8576 preserve_env OBJCOPY
8577 preserve_env PATH
8578 preserve_env PKG_CONFIG
8579 preserve_env PKG_CONFIG_LIBDIR
8580 preserve_env PKG_CONFIG_PATH
8581 preserve_env PYTHON
8582 preserve_env SDL2_CONFIG
8583 preserve_env SMBD
8584 preserve_env STRIP
8585 preserve_env WINDRES
8586
8587 printf "exec" >>config.status
8588 for i in "$0" "$@"; do
8589   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8590 done
8591 echo ' "$@"' >>config.status
8592 chmod +x config.status
8593
8594 rm -r "$TMPDIR1"