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   else
2744
2745     xen_libs="-lxenstore -lxenctrl -lxenguest"
2746     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2747
2748     # First we test whether Xen headers and libraries are available.
2749     # If no, we are done and there is no Xen support.
2750     # If yes, more tests are run to detect the Xen version.
2751
2752     # Xen (any)
2753     cat > $TMPC <<EOF
2754 #include <xenctrl.h>
2755 int main(void) {
2756   return 0;
2757 }
2758 EOF
2759     if ! compile_prog "" "$xen_libs" ; then
2760       # Xen not found
2761       if test "$xen" = "yes" ; then
2762         feature_not_found "xen" "Install xen devel"
2763       fi
2764       xen=no
2765
2766     # Xen unstable
2767     elif
2768         cat > $TMPC <<EOF &&
2769 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2770 #define __XEN_TOOLS__
2771 #include <xendevicemodel.h>
2772 #include <xenforeignmemory.h>
2773 int main(void) {
2774   xendevicemodel_handle *xd;
2775   xenforeignmemory_handle *xfmem;
2776
2777   xd = xendevicemodel_open(0, 0);
2778   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2779
2780   xfmem = xenforeignmemory_open(0, 0);
2781   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2782
2783   return 0;
2784 }
2785 EOF
2786         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2787       then
2788       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2789       xen_ctrl_version=41100
2790       xen=yes
2791     elif
2792         cat > $TMPC <<EOF &&
2793 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2794 #include <xenforeignmemory.h>
2795 #include <xentoolcore.h>
2796 int main(void) {
2797   xenforeignmemory_handle *xfmem;
2798
2799   xfmem = xenforeignmemory_open(0, 0);
2800   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2801   xentoolcore_restrict_all(0);
2802
2803   return 0;
2804 }
2805 EOF
2806         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2807       then
2808       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2809       xen_ctrl_version=41000
2810       xen=yes
2811     elif
2812         cat > $TMPC <<EOF &&
2813 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2814 #define __XEN_TOOLS__
2815 #include <xendevicemodel.h>
2816 int main(void) {
2817   xendevicemodel_handle *xd;
2818
2819   xd = xendevicemodel_open(0, 0);
2820   xendevicemodel_close(xd);
2821
2822   return 0;
2823 }
2824 EOF
2825         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2826       then
2827       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2828       xen_ctrl_version=40900
2829       xen=yes
2830     elif
2831         cat > $TMPC <<EOF &&
2832 /*
2833  * If we have stable libs the we don't want the libxc compat
2834  * layers, regardless of what CFLAGS we may have been given.
2835  *
2836  * Also, check if xengnttab_grant_copy_segment_t is defined and
2837  * grant copy operation is implemented.
2838  */
2839 #undef XC_WANT_COMPAT_EVTCHN_API
2840 #undef XC_WANT_COMPAT_GNTTAB_API
2841 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2842 #include <xenctrl.h>
2843 #include <xenstore.h>
2844 #include <xenevtchn.h>
2845 #include <xengnttab.h>
2846 #include <xenforeignmemory.h>
2847 #include <stdint.h>
2848 #include <xen/hvm/hvm_info_table.h>
2849 #if !defined(HVM_MAX_VCPUS)
2850 # error HVM_MAX_VCPUS not defined
2851 #endif
2852 int main(void) {
2853   xc_interface *xc = NULL;
2854   xenforeignmemory_handle *xfmem;
2855   xenevtchn_handle *xe;
2856   xengnttab_handle *xg;
2857   xengnttab_grant_copy_segment_t* seg = NULL;
2858
2859   xs_daemon_open();
2860
2861   xc = xc_interface_open(0, 0, 0);
2862   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2863   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2864   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2865   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2866
2867   xfmem = xenforeignmemory_open(0, 0);
2868   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2869
2870   xe = xenevtchn_open(0, 0);
2871   xenevtchn_fd(xe);
2872
2873   xg = xengnttab_open(0, 0);
2874   xengnttab_grant_copy(xg, 0, seg);
2875
2876   return 0;
2877 }
2878 EOF
2879         compile_prog "" "$xen_libs $xen_stable_libs"
2880       then
2881       xen_ctrl_version=40800
2882       xen=yes
2883     elif
2884         cat > $TMPC <<EOF &&
2885 /*
2886  * If we have stable libs the we don't want the libxc compat
2887  * layers, regardless of what CFLAGS we may have been given.
2888  */
2889 #undef XC_WANT_COMPAT_EVTCHN_API
2890 #undef XC_WANT_COMPAT_GNTTAB_API
2891 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2892 #include <xenctrl.h>
2893 #include <xenstore.h>
2894 #include <xenevtchn.h>
2895 #include <xengnttab.h>
2896 #include <xenforeignmemory.h>
2897 #include <stdint.h>
2898 #include <xen/hvm/hvm_info_table.h>
2899 #if !defined(HVM_MAX_VCPUS)
2900 # error HVM_MAX_VCPUS not defined
2901 #endif
2902 int main(void) {
2903   xc_interface *xc = NULL;
2904   xenforeignmemory_handle *xfmem;
2905   xenevtchn_handle *xe;
2906   xengnttab_handle *xg;
2907
2908   xs_daemon_open();
2909
2910   xc = xc_interface_open(0, 0, 0);
2911   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2912   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2913   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2914   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2915
2916   xfmem = xenforeignmemory_open(0, 0);
2917   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2918
2919   xe = xenevtchn_open(0, 0);
2920   xenevtchn_fd(xe);
2921
2922   xg = xengnttab_open(0, 0);
2923   xengnttab_map_grant_ref(xg, 0, 0, 0);
2924
2925   return 0;
2926 }
2927 EOF
2928         compile_prog "" "$xen_libs $xen_stable_libs"
2929       then
2930       xen_ctrl_version=40701
2931       xen=yes
2932
2933     # Xen 4.6
2934     elif
2935         cat > $TMPC <<EOF &&
2936 #include <xenctrl.h>
2937 #include <xenstore.h>
2938 #include <stdint.h>
2939 #include <xen/hvm/hvm_info_table.h>
2940 #if !defined(HVM_MAX_VCPUS)
2941 # error HVM_MAX_VCPUS not defined
2942 #endif
2943 int main(void) {
2944   xc_interface *xc;
2945   xs_daemon_open();
2946   xc = xc_interface_open(0, 0, 0);
2947   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2948   xc_gnttab_open(NULL, 0);
2949   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2950   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2951   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2952   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2953   return 0;
2954 }
2955 EOF
2956         compile_prog "" "$xen_libs"
2957       then
2958       xen_ctrl_version=40600
2959       xen=yes
2960
2961     # Xen 4.5
2962     elif
2963         cat > $TMPC <<EOF &&
2964 #include <xenctrl.h>
2965 #include <xenstore.h>
2966 #include <stdint.h>
2967 #include <xen/hvm/hvm_info_table.h>
2968 #if !defined(HVM_MAX_VCPUS)
2969 # error HVM_MAX_VCPUS not defined
2970 #endif
2971 int main(void) {
2972   xc_interface *xc;
2973   xs_daemon_open();
2974   xc = xc_interface_open(0, 0, 0);
2975   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2976   xc_gnttab_open(NULL, 0);
2977   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2978   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2979   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2980   return 0;
2981 }
2982 EOF
2983         compile_prog "" "$xen_libs"
2984       then
2985       xen_ctrl_version=40500
2986       xen=yes
2987
2988     elif
2989         cat > $TMPC <<EOF &&
2990 #include <xenctrl.h>
2991 #include <xenstore.h>
2992 #include <stdint.h>
2993 #include <xen/hvm/hvm_info_table.h>
2994 #if !defined(HVM_MAX_VCPUS)
2995 # error HVM_MAX_VCPUS not defined
2996 #endif
2997 int main(void) {
2998   xc_interface *xc;
2999   xs_daemon_open();
3000   xc = xc_interface_open(0, 0, 0);
3001   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3002   xc_gnttab_open(NULL, 0);
3003   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3004   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3005   return 0;
3006 }
3007 EOF
3008         compile_prog "" "$xen_libs"
3009       then
3010       xen_ctrl_version=40200
3011       xen=yes
3012
3013     else
3014       if test "$xen" = "yes" ; then
3015         feature_not_found "xen (unsupported version)" \
3016                           "Install a supported xen (xen 4.2 or newer)"
3017       fi
3018       xen=no
3019     fi
3020
3021     if test "$xen" = yes; then
3022       if test $xen_ctrl_version -ge 40701  ; then
3023         libs_softmmu="$xen_stable_libs $libs_softmmu"
3024       fi
3025       libs_softmmu="$xen_libs $libs_softmmu"
3026     fi
3027   fi
3028 fi
3029
3030 if test "$xen_pci_passthrough" != "no"; then
3031   if test "$xen" = "yes" && test "$linux" = "yes"; then
3032     xen_pci_passthrough=yes
3033   else
3034     if test "$xen_pci_passthrough" = "yes"; then
3035       error_exit "User requested feature Xen PCI Passthrough" \
3036           " but this feature requires /sys from Linux"
3037     fi
3038     xen_pci_passthrough=no
3039   fi
3040 fi
3041
3042 ##########################################
3043 # Windows Hypervisor Platform accelerator (WHPX) check
3044 if test "$whpx" != "no" ; then
3045     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3046         whpx="yes"
3047     else
3048         if test "$whpx" = "yes"; then
3049             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3050         fi
3051         whpx="no"
3052     fi
3053 fi
3054
3055 ##########################################
3056 # Sparse probe
3057 if test "$sparse" != "no" ; then
3058   if has sparse; then
3059     sparse=yes
3060   else
3061     if test "$sparse" = "yes" ; then
3062       feature_not_found "sparse" "Install sparse binary"
3063     fi
3064     sparse=no
3065   fi
3066 fi
3067
3068 ##########################################
3069 # X11 probe
3070 if $pkg_config --exists "x11"; then
3071     have_x11=yes
3072     x11_cflags=$($pkg_config --cflags x11)
3073     x11_libs=$($pkg_config --libs x11)
3074 fi
3075
3076 ##########################################
3077 # GTK probe
3078
3079 if test "$gtk" != "no"; then
3080     gtkpackage="gtk+-3.0"
3081     gtkx11package="gtk+-x11-3.0"
3082     gtkversion="3.22.0"
3083     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3084         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3085         gtk_libs=$($pkg_config --libs $gtkpackage)
3086         gtk_version=$($pkg_config --modversion $gtkpackage)
3087         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3088             need_x11=yes
3089             gtk_cflags="$gtk_cflags $x11_cflags"
3090             gtk_libs="$gtk_libs $x11_libs"
3091         fi
3092         gtk="yes"
3093     elif test "$gtk" = "yes"; then
3094         feature_not_found "gtk" "Install gtk3-devel"
3095     else
3096         gtk="no"
3097     fi
3098 fi
3099
3100
3101 ##########################################
3102 # GNUTLS probe
3103
3104 if test "$gnutls" != "no"; then
3105     pass="no"
3106     if $pkg_config --exists "gnutls >= 3.1.18"; then
3107         gnutls_cflags=$($pkg_config --cflags gnutls)
3108         gnutls_libs=$($pkg_config --libs gnutls)
3109         # Packaging for the static libraries is not always correct.
3110         # At least ubuntu 18.04 ships only shared libraries.
3111         write_c_skeleton
3112         if compile_prog "" "$gnutls_libs" ; then
3113             LIBS="$gnutls_libs $LIBS"
3114             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3115             pass="yes"
3116         fi
3117     fi
3118     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3119         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3120     else
3121         gnutls="$pass"
3122     fi
3123 fi
3124
3125
3126 # If user didn't give a --disable/enable-gcrypt flag,
3127 # then mark as disabled if user requested nettle
3128 # explicitly
3129 if test -z "$gcrypt"
3130 then
3131     if test "$nettle" = "yes"
3132     then
3133         gcrypt="no"
3134     fi
3135 fi
3136
3137 # If user didn't give a --disable/enable-nettle flag,
3138 # then mark as disabled if user requested gcrypt
3139 # explicitly
3140 if test -z "$nettle"
3141 then
3142     if test "$gcrypt" = "yes"
3143     then
3144         nettle="no"
3145     fi
3146 fi
3147
3148 has_libgcrypt() {
3149     if ! has "libgcrypt-config"
3150     then
3151         return 1
3152     fi
3153
3154     if test -n "$cross_prefix"
3155     then
3156         host=$(libgcrypt-config --host)
3157         if test "$host-" != $cross_prefix
3158         then
3159             return 1
3160         fi
3161     fi
3162
3163     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3164     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3165
3166     if test $maj != 1 || test $min -lt 5
3167     then
3168        return 1
3169     fi
3170
3171     return 0
3172 }
3173
3174
3175 if test "$nettle" != "no"; then
3176     pass="no"
3177     if $pkg_config --exists "nettle >= 2.7.1"; then
3178         nettle_cflags=$($pkg_config --cflags nettle)
3179         nettle_libs=$($pkg_config --libs nettle)
3180         nettle_version=$($pkg_config --modversion nettle)
3181         # Link test to make sure the given libraries work (e.g for static).
3182         write_c_skeleton
3183         if compile_prog "" "$nettle_libs" ; then
3184             LIBS="$nettle_libs $LIBS"
3185             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3186             if test -z "$gcrypt"; then
3187                gcrypt="no"
3188             fi
3189             pass="yes"
3190         fi
3191     fi
3192     if test "$pass" = "yes"
3193     then
3194         cat > $TMPC << EOF
3195 #include <nettle/xts.h>
3196 int main(void) {
3197   return 0;
3198 }
3199 EOF
3200         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3201             nettle_xts=yes
3202             qemu_private_xts=no
3203         fi
3204     fi
3205     if test "$pass" = "no" && test "$nettle" = "yes"; then
3206         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3207     else
3208         nettle="$pass"
3209     fi
3210 fi
3211
3212 if test "$gcrypt" != "no"; then
3213     pass="no"
3214     if has_libgcrypt; then
3215         gcrypt_cflags=$(libgcrypt-config --cflags)
3216         gcrypt_libs=$(libgcrypt-config --libs)
3217         # Debian has removed -lgpg-error from libgcrypt-config
3218         # as it "spreads unnecessary dependencies" which in
3219         # turn breaks static builds...
3220         if test "$static" = "yes"
3221         then
3222             gcrypt_libs="$gcrypt_libs -lgpg-error"
3223         fi
3224
3225         # Link test to make sure the given libraries work (e.g for static).
3226         write_c_skeleton
3227         if compile_prog "" "$gcrypt_libs" ; then
3228             LIBS="$gcrypt_libs $LIBS"
3229             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3230             pass="yes"
3231         fi
3232     fi
3233     if test "$pass" = "yes"; then
3234         gcrypt="yes"
3235         cat > $TMPC << EOF
3236 #include <gcrypt.h>
3237 int main(void) {
3238   gcry_mac_hd_t handle;
3239   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3240                 GCRY_MAC_FLAG_SECURE, NULL);
3241   return 0;
3242 }
3243 EOF
3244         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3245             gcrypt_hmac=yes
3246         fi
3247         cat > $TMPC << EOF
3248 #include <gcrypt.h>
3249 int main(void) {
3250   gcry_cipher_hd_t handle;
3251   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3252   return 0;
3253 }
3254 EOF
3255         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3256             gcrypt_xts=yes
3257             qemu_private_xts=no
3258         fi
3259     elif test "$gcrypt" = "yes"; then
3260         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3261     else
3262         gcrypt="no"
3263     fi
3264 fi
3265
3266
3267 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3268 then
3269     error_exit "Only one of gcrypt & nettle can be enabled"
3270 fi
3271
3272 ##########################################
3273 # libtasn1 - only for the TLS creds/session test suite
3274
3275 tasn1=yes
3276 tasn1_cflags=""
3277 tasn1_libs=""
3278 if $pkg_config --exists "libtasn1"; then
3279     tasn1_cflags=$($pkg_config --cflags libtasn1)
3280     tasn1_libs=$($pkg_config --libs libtasn1)
3281 else
3282     tasn1=no
3283 fi
3284
3285
3286 ##########################################
3287 # PAM probe
3288
3289 if test "$auth_pam" != "no"; then
3290     cat > $TMPC <<EOF
3291 #include <security/pam_appl.h>
3292 #include <stdio.h>
3293 int main(void) {
3294    const char *service_name = "qemu";
3295    const char *user = "frank";
3296    const struct pam_conv pam_conv = { 0 };
3297    pam_handle_t *pamh = NULL;
3298    pam_start(service_name, user, &pam_conv, &pamh);
3299    return 0;
3300 }
3301 EOF
3302     if compile_prog "" "-lpam" ; then
3303         auth_pam=yes
3304     else
3305         if test "$auth_pam" = "yes"; then
3306             feature_not_found "PAM" "Install PAM development package"
3307         else
3308             auth_pam=no
3309         fi
3310     fi
3311 fi
3312
3313 ##########################################
3314 # getifaddrs (for tests/test-io-channel-socket )
3315
3316 have_ifaddrs_h=yes
3317 if ! check_include "ifaddrs.h" ; then
3318   have_ifaddrs_h=no
3319 fi
3320
3321 #########################################
3322 # libdrm check
3323 have_drm_h=no
3324 if check_include "libdrm/drm.h" ; then
3325     have_drm_h=yes
3326 fi
3327
3328 #########################################
3329 # sys/signal.h check
3330 have_sys_signal_h=no
3331 if check_include "sys/signal.h" ; then
3332   have_sys_signal_h=yes
3333 fi
3334
3335 ##########################################
3336 # VTE probe
3337
3338 if test "$vte" != "no"; then
3339     vteminversion="0.32.0"
3340     if $pkg_config --exists "vte-2.91"; then
3341       vtepackage="vte-2.91"
3342     else
3343       vtepackage="vte-2.90"
3344     fi
3345     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3346         vte_cflags=$($pkg_config --cflags $vtepackage)
3347         vte_libs=$($pkg_config --libs $vtepackage)
3348         vteversion=$($pkg_config --modversion $vtepackage)
3349         vte="yes"
3350     elif test "$vte" = "yes"; then
3351         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3352     else
3353         vte="no"
3354     fi
3355 fi
3356
3357 ##########################################
3358 # SDL probe
3359
3360 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3361 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3362
3363 sdl_probe ()
3364 {
3365   if $pkg_config sdl2 --exists; then
3366     sdlconfig="$pkg_config sdl2"
3367     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3368   elif has "$sdl2_config"; then
3369     sdlconfig="$sdl2_config"
3370     sdlversion=$($sdlconfig --version)
3371   else
3372     if test "$sdl" = "yes" ; then
3373       feature_not_found "sdl" "Install SDL2-devel"
3374     fi
3375     sdl=no
3376     # no need to do the rest
3377     return
3378   fi
3379   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3380     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3381   fi
3382
3383   cat > $TMPC << EOF
3384 #include <SDL.h>
3385 #undef main /* We don't want SDL to override our main() */
3386 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3387 EOF
3388   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3389   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3390   if test "$static" = "yes" ; then
3391     if $pkg_config sdl2 --exists; then
3392       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3393     else
3394       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3395     fi
3396   else
3397     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3398   fi
3399   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3400     sdl=yes
3401
3402     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3403     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3404       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3405          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3406          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3407       fi
3408       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3409         :
3410       else
3411         sdl=no
3412       fi
3413     fi # static link
3414   else # sdl not found
3415     if test "$sdl" = "yes" ; then
3416       feature_not_found "sdl" "Install SDL2 devel"
3417     fi
3418     sdl=no
3419   fi # sdl compile test
3420 }
3421
3422 sdl_image_probe ()
3423 {
3424     if test "$sdl_image" != "no" ; then
3425         if $pkg_config SDL2_image --exists; then
3426             if test "$static" = "yes"; then
3427                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3428             else
3429                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3430             fi
3431             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3432             sdl_image=yes
3433
3434             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3435             sdl_libs="$sdl_libs $sdl_image_libs"
3436         else
3437             if test "$sdl_image" = "yes" ; then
3438                 feature_not_found "sdl_image" "Install SDL Image devel"
3439             else
3440                 sdl_image=no
3441             fi
3442         fi
3443     fi
3444 }
3445
3446 if test "$sdl" != "no" ; then
3447   sdl_probe
3448 fi
3449
3450 if test "$sdl" = "yes" ; then
3451   sdl_image_probe
3452 else
3453   if test "$sdl_image" = "yes"; then
3454     echo "warning: SDL Image requested, but SDL is not available, disabling"
3455   fi
3456   sdl_image=no
3457 fi
3458
3459 if test "$sdl" = "yes" ; then
3460   cat > $TMPC <<EOF
3461 #include <SDL.h>
3462 #if defined(SDL_VIDEO_DRIVER_X11)
3463 #include <X11/XKBlib.h>
3464 #else
3465 #error No x11 support
3466 #endif
3467 int main(void) { return 0; }
3468 EOF
3469   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3470     need_x11=yes
3471     sdl_cflags="$sdl_cflags $x11_cflags"
3472     sdl_libs="$sdl_libs $x11_libs"
3473   fi
3474 fi
3475
3476 ##########################################
3477 # RDMA needs OpenFabrics libraries
3478 if test "$rdma" != "no" ; then
3479   cat > $TMPC <<EOF
3480 #include <rdma/rdma_cma.h>
3481 int main(void) { return 0; }
3482 EOF
3483   rdma_libs="-lrdmacm -libverbs -libumad"
3484   if compile_prog "" "$rdma_libs" ; then
3485     rdma="yes"
3486     libs_softmmu="$libs_softmmu $rdma_libs"
3487   else
3488     if test "$rdma" = "yes" ; then
3489         error_exit \
3490             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3491             " Your options:" \
3492             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3493             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3494             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3495     fi
3496     rdma="no"
3497   fi
3498 fi
3499
3500 ##########################################
3501 # PVRDMA detection
3502
3503 cat > $TMPC <<EOF &&
3504 #include <sys/mman.h>
3505
3506 int
3507 main(void)
3508 {
3509     char buf = 0;
3510     void *addr = &buf;
3511     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3512
3513     return 0;
3514 }
3515 EOF
3516
3517 if test "$rdma" = "yes" ; then
3518     case "$pvrdma" in
3519     "")
3520         if compile_prog "" ""; then
3521             pvrdma="yes"
3522         else
3523             pvrdma="no"
3524         fi
3525         ;;
3526     "yes")
3527         if ! compile_prog "" ""; then
3528             error_exit "PVRDMA is not supported since mremap is not implemented"
3529         fi
3530         pvrdma="yes"
3531         ;;
3532     "no")
3533         pvrdma="no"
3534         ;;
3535     esac
3536 else
3537     if test "$pvrdma" = "yes" ; then
3538         error_exit "PVRDMA requires rdma suppport"
3539     fi
3540     pvrdma="no"
3541 fi
3542
3543 # Let's see if enhanced reg_mr is supported
3544 if test "$pvrdma" = "yes" ; then
3545
3546 cat > $TMPC <<EOF &&
3547 #include <infiniband/verbs.h>
3548
3549 int
3550 main(void)
3551 {
3552     struct ibv_mr *mr;
3553     struct ibv_pd *pd = NULL;
3554     size_t length = 10;
3555     uint64_t iova = 0;
3556     int access = 0;
3557     void *addr = NULL;
3558
3559     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3560
3561     ibv_dereg_mr(mr);
3562
3563     return 0;
3564 }
3565 EOF
3566     if ! compile_prog "" "-libverbs"; then
3567         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3568     fi
3569 fi
3570
3571 ##########################################
3572 # VNC SASL detection
3573 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3574   cat > $TMPC <<EOF
3575 #include <sasl/sasl.h>
3576 #include <stdio.h>
3577 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3578 EOF
3579   # Assuming Cyrus-SASL installed in /usr prefix
3580   # QEMU defines struct iovec in "qemu/osdep.h",
3581   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3582   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3583   vnc_sasl_libs="-lsasl2"
3584   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3585     vnc_sasl=yes
3586     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3587     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3588   else
3589     if test "$vnc_sasl" = "yes" ; then
3590       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3591     fi
3592     vnc_sasl=no
3593   fi
3594 fi
3595
3596 ##########################################
3597 # VNC JPEG detection
3598 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3599 cat > $TMPC <<EOF
3600 #include <stdio.h>
3601 #include <jpeglib.h>
3602 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3603 EOF
3604     vnc_jpeg_cflags=""
3605     vnc_jpeg_libs="-ljpeg"
3606   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3607     vnc_jpeg=yes
3608     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3609     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3610   else
3611     if test "$vnc_jpeg" = "yes" ; then
3612       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3613     fi
3614     vnc_jpeg=no
3615   fi
3616 fi
3617
3618 ##########################################
3619 # VNC PNG detection
3620 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3621 cat > $TMPC <<EOF
3622 //#include <stdio.h>
3623 #include <png.h>
3624 #include <stddef.h>
3625 int main(void) {
3626     png_structp png_ptr;
3627     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3628     return png_ptr != 0;
3629 }
3630 EOF
3631   if $pkg_config libpng --exists; then
3632     vnc_png_cflags=$($pkg_config libpng --cflags)
3633     vnc_png_libs=$($pkg_config libpng --libs)
3634   else
3635     vnc_png_cflags=""
3636     vnc_png_libs="-lpng"
3637   fi
3638   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3639     vnc_png=yes
3640     libs_softmmu="$vnc_png_libs $libs_softmmu"
3641     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3642   else
3643     if test "$vnc_png" = "yes" ; then
3644       feature_not_found "vnc-png" "Install libpng devel"
3645     fi
3646     vnc_png=no
3647   fi
3648 fi
3649
3650 ##########################################
3651 # xkbcommon probe
3652 if test "$xkbcommon" != "no" ; then
3653   if $pkg_config xkbcommon --exists; then
3654     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3655     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3656     xkbcommon=yes
3657   else
3658     if test "$xkbcommon" = "yes" ; then
3659       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3660     fi
3661     xkbcommon=no
3662   fi
3663 fi
3664
3665
3666 ##########################################
3667 # xfsctl() probe, used for file-posix.c
3668 if test "$xfs" != "no" ; then
3669   cat > $TMPC << EOF
3670 #include <stddef.h>  /* NULL */
3671 #include <xfs/xfs.h>
3672 int main(void)
3673 {
3674     xfsctl(NULL, 0, 0, NULL);
3675     return 0;
3676 }
3677 EOF
3678   if compile_prog "" "" ; then
3679     xfs="yes"
3680   else
3681     if test "$xfs" = "yes" ; then
3682       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3683     fi
3684     xfs=no
3685   fi
3686 fi
3687
3688 ##########################################
3689 # vde libraries probe
3690 if test "$vde" != "no" ; then
3691   vde_libs="-lvdeplug"
3692   cat > $TMPC << EOF
3693 #include <libvdeplug.h>
3694 int main(void)
3695 {
3696     struct vde_open_args a = {0, 0, 0};
3697     char s[] = "";
3698     vde_open(s, s, &a);
3699     return 0;
3700 }
3701 EOF
3702   if compile_prog "" "$vde_libs" ; then
3703     vde=yes
3704   else
3705     if test "$vde" = "yes" ; then
3706       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3707     fi
3708     vde=no
3709   fi
3710 fi
3711
3712 ##########################################
3713 # netmap support probe
3714 # Apart from looking for netmap headers, we make sure that the host API version
3715 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3716 # a minor/major version number. Minor new features will be marked with values up
3717 # to 15, and if something happens that requires a change to the backend we will
3718 # move above 15, submit the backend fixes and modify this two bounds.
3719 if test "$netmap" != "no" ; then
3720   cat > $TMPC << EOF
3721 #include <inttypes.h>
3722 #include <net/if.h>
3723 #include <net/netmap.h>
3724 #include <net/netmap_user.h>
3725 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3726 #error
3727 #endif
3728 int main(void) { return 0; }
3729 EOF
3730   if compile_prog "" "" ; then
3731     netmap=yes
3732   else
3733     if test "$netmap" = "yes" ; then
3734       feature_not_found "netmap"
3735     fi
3736     netmap=no
3737   fi
3738 fi
3739
3740 ##########################################
3741 # libcap-ng library probe
3742 if test "$cap_ng" != "no" ; then
3743   cap_libs="-lcap-ng"
3744   cat > $TMPC << EOF
3745 #include <cap-ng.h>
3746 int main(void)
3747 {
3748     capng_capability_to_name(CAPNG_EFFECTIVE);
3749     return 0;
3750 }
3751 EOF
3752   if compile_prog "" "$cap_libs" ; then
3753     cap_ng=yes
3754   else
3755     if test "$cap_ng" = "yes" ; then
3756       feature_not_found "cap_ng" "Install libcap-ng devel"
3757     fi
3758     cap_ng=no
3759   fi
3760 fi
3761
3762 ##########################################
3763 # Sound support libraries probe
3764
3765 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3766 for drv in $audio_drv_list; do
3767     case $drv in
3768     alsa | try-alsa)
3769     if $pkg_config alsa --exists; then
3770         alsa_libs=$($pkg_config alsa --libs)
3771         alsa_cflags=$($pkg_config alsa --cflags)
3772         alsa=yes
3773         if test "$drv" = "try-alsa"; then
3774             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3775         fi
3776     else
3777         if test "$drv" = "try-alsa"; then
3778             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3779         else
3780             error_exit "$drv check failed" \
3781                 "Make sure to have the $drv libs and headers installed."
3782         fi
3783     fi
3784     ;;
3785
3786     pa | try-pa)
3787     if $pkg_config libpulse --exists; then
3788         libpulse=yes
3789         pulse_libs=$($pkg_config libpulse --libs)
3790         pulse_cflags=$($pkg_config libpulse --cflags)
3791         if test "$drv" = "try-pa"; then
3792             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3793         fi
3794     else
3795         if test "$drv" = "try-pa"; then
3796             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3797         else
3798             error_exit "$drv check failed" \
3799                 "Make sure to have the $drv libs and headers installed."
3800         fi
3801     fi
3802     ;;
3803
3804     sdl)
3805     if test "$sdl" = "no"; then
3806         error_exit "sdl not found or disabled, can not use sdl audio driver"
3807     fi
3808     ;;
3809
3810     try-sdl)
3811     if test "$sdl" = "no"; then
3812         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3813     else
3814         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3815     fi
3816     ;;
3817
3818     coreaudio)
3819       coreaudio_libs="-framework CoreAudio"
3820     ;;
3821
3822     dsound)
3823       dsound_libs="-lole32 -ldxguid"
3824       audio_win_int="yes"
3825     ;;
3826
3827     oss)
3828       oss_libs="$oss_lib"
3829     ;;
3830
3831     jack | try-jack)
3832     if $pkg_config jack --exists; then
3833         libjack=yes
3834         jack_libs=$($pkg_config jack --libs)
3835         if test "$drv" = "try-jack"; then
3836             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3837         fi
3838     else
3839         if test "$drv" = "try-jack"; then
3840             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3841         else
3842             error_exit "$drv check failed" \
3843                 "Make sure to have the $drv libs and headers installed."
3844         fi
3845     fi
3846     ;;
3847
3848     *)
3849     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3850         error_exit "Unknown driver '$drv' selected" \
3851             "Possible drivers are: $audio_possible_drivers"
3852     }
3853     ;;
3854     esac
3855 done
3856
3857 ##########################################
3858 # BrlAPI probe
3859
3860 if test "$brlapi" != "no" ; then
3861   brlapi_libs="-lbrlapi"
3862   cat > $TMPC << EOF
3863 #include <brlapi.h>
3864 #include <stddef.h>
3865 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3866 EOF
3867   if compile_prog "" "$brlapi_libs" ; then
3868     brlapi=yes
3869   else
3870     if test "$brlapi" = "yes" ; then
3871       feature_not_found "brlapi" "Install brlapi devel"
3872     fi
3873     brlapi=no
3874   fi
3875 fi
3876
3877 ##########################################
3878 # iconv probe
3879 if test "$iconv" != "no" ; then
3880   cat > $TMPC << EOF
3881 #include <iconv.h>
3882 int main(void) {
3883   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3884   return conv != (iconv_t) -1;
3885 }
3886 EOF
3887   iconv_prefix_list="/usr/local:/usr"
3888   iconv_lib_list=":-liconv"
3889   IFS=:
3890   for iconv_prefix in $iconv_prefix_list; do
3891     IFS=:
3892     iconv_cflags="-I$iconv_prefix/include"
3893     iconv_ldflags="-L$iconv_prefix/lib"
3894     for iconv_link in $iconv_lib_list; do
3895       unset IFS
3896       iconv_lib="$iconv_ldflags $iconv_link"
3897       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3898       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3899         iconv_found=yes
3900         break
3901       fi
3902     done
3903     if test "$iconv_found" = yes ; then
3904       break
3905     fi
3906   done
3907   if test "$iconv_found" = "yes" ; then
3908     iconv=yes
3909   else
3910     if test "$iconv" = "yes" ; then
3911       feature_not_found "iconv" "Install iconv devel"
3912     fi
3913     iconv=no
3914   fi
3915 fi
3916
3917 ##########################################
3918 # curses probe
3919 if test "$iconv" = "no" ; then
3920   # curses will need iconv
3921   curses=no
3922 fi
3923 if test "$curses" != "no" ; then
3924   if test "$mingw32" = "yes" ; then
3925     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3926     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3927   else
3928     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3929     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3930   fi
3931   curses_found=no
3932   cat > $TMPC << EOF
3933 #include <locale.h>
3934 #include <curses.h>
3935 #include <wchar.h>
3936 #include <langinfo.h>
3937 int main(void) {
3938   const char *codeset;
3939   wchar_t wch = L'w';
3940   setlocale(LC_ALL, "");
3941   resize_term(0, 0);
3942   addwstr(L"wide chars\n");
3943   addnwstr(&wch, 1);
3944   add_wch(WACS_DEGREE);
3945   codeset = nl_langinfo(CODESET);
3946   return codeset != 0;
3947 }
3948 EOF
3949   IFS=:
3950   for curses_inc in $curses_inc_list; do
3951     # Make sure we get the wide character prototypes
3952     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3953     IFS=:
3954     for curses_lib in $curses_lib_list; do
3955       unset IFS
3956       if compile_prog "$curses_inc" "$curses_lib" ; then
3957         curses_found=yes
3958         break
3959       fi
3960     done
3961     if test "$curses_found" = yes ; then
3962       break
3963     fi
3964   done
3965   unset IFS
3966   if test "$curses_found" = "yes" ; then
3967     curses=yes
3968   else
3969     if test "$curses" = "yes" ; then
3970       feature_not_found "curses" "Install ncurses devel"
3971     fi
3972     curses=no
3973   fi
3974 fi
3975
3976 ##########################################
3977 # curl probe
3978 if test "$curl" != "no" ; then
3979   if $pkg_config libcurl --exists; then
3980     curlconfig="$pkg_config libcurl"
3981   else
3982     curlconfig=curl-config
3983   fi
3984   cat > $TMPC << EOF
3985 #include <curl/curl.h>
3986 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3987 EOF
3988   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3989   curl_libs=$($curlconfig --libs 2>/dev/null)
3990   if compile_prog "$curl_cflags" "$curl_libs" ; then
3991     curl=yes
3992   else
3993     if test "$curl" = "yes" ; then
3994       feature_not_found "curl" "Install libcurl devel"
3995     fi
3996     curl=no
3997   fi
3998 fi # test "$curl"
3999
4000 ##########################################
4001 # glib support probe
4002
4003 glib_req_ver=2.48
4004 glib_modules=gthread-2.0
4005 if test "$modules" = yes; then
4006     glib_modules="$glib_modules gmodule-export-2.0"
4007 fi
4008 if test "$plugins" = yes; then
4009     glib_modules="$glib_modules gmodule-2.0"
4010 fi
4011
4012 # This workaround is required due to a bug in pkg-config file for glib as it
4013 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
4014
4015 if test "$static" = yes && test "$mingw32" = yes; then
4016     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
4017 fi
4018
4019 for i in $glib_modules; do
4020     if $pkg_config --atleast-version=$glib_req_ver $i; then
4021         glib_cflags=$($pkg_config --cflags $i)
4022         glib_libs=$($pkg_config --libs $i)
4023         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4024         LIBS="$glib_libs $LIBS"
4025     else
4026         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4027     fi
4028 done
4029
4030 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4031     gio=yes
4032     gio_cflags=$($pkg_config --cflags gio-2.0)
4033     gio_libs=$($pkg_config --libs gio-2.0)
4034     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4035     if [ ! -x "$gdbus_codegen" ]; then
4036         gdbus_codegen=
4037     fi
4038 else
4039     gio=no
4040 fi
4041
4042 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4043     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4044     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4045 fi
4046
4047 # Sanity check that the current size_t matches the
4048 # size that glib thinks it should be. This catches
4049 # problems on multi-arch where people try to build
4050 # 32-bit QEMU while pointing at 64-bit glib headers
4051 cat > $TMPC <<EOF
4052 #include <glib.h>
4053 #include <unistd.h>
4054
4055 #define QEMU_BUILD_BUG_ON(x) \
4056   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4057
4058 int main(void) {
4059    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4060    return 0;
4061 }
4062 EOF
4063
4064 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4065     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4066                "You probably need to set PKG_CONFIG_LIBDIR"\
4067                "to point to the right pkg-config files for your"\
4068                "build target"
4069 fi
4070
4071 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4072 cat > $TMPC << EOF
4073 #include <glib.h>
4074 int main(void) { return 0; }
4075 EOF
4076 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4077     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4078         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4079         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4080     fi
4081 fi
4082
4083 # Silence clang warnings triggered by glib < 2.57.2
4084 cat > $TMPC << EOF
4085 #include <glib.h>
4086 typedef struct Foo {
4087     int i;
4088 } Foo;
4089 static void foo_free(Foo *f)
4090 {
4091     g_free(f);
4092 }
4093 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4094 int main(void) { return 0; }
4095 EOF
4096 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4097     if cc_has_warning_flag "-Wno-unused-function"; then
4098         glib_cflags="$glib_cflags -Wno-unused-function"
4099         CFLAGS="$CFLAGS -Wno-unused-function"
4100     fi
4101 fi
4102
4103 #########################################
4104 # zlib check
4105
4106 if test "$zlib" != "no" ; then
4107     if $pkg_config --exists zlib; then
4108         zlib_cflags=$($pkg_config --cflags zlib)
4109         zlib_libs=$($pkg_config --libs zlib)
4110         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4111         LIBS="$zlib_libs $LIBS"
4112     else
4113         cat > $TMPC << EOF
4114 #include <zlib.h>
4115 int main(void) { zlibVersion(); return 0; }
4116 EOF
4117         if compile_prog "" "-lz" ; then
4118             zlib_libs=-lz
4119             LIBS="$LIBS $zlib_libs"
4120         else
4121             error_exit "zlib check failed" \
4122                 "Make sure to have the zlib libs and headers installed."
4123         fi
4124     fi
4125 fi
4126
4127 ##########################################
4128 # SHA command probe for modules
4129 if test "$modules" = yes; then
4130     shacmd_probe="sha1sum sha1 shasum"
4131     for c in $shacmd_probe; do
4132         if has $c; then
4133             shacmd="$c"
4134             break
4135         fi
4136     done
4137     if test "$shacmd" = ""; then
4138         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4139     fi
4140 fi
4141
4142 ##########################################
4143 # pixman support probe
4144
4145 if test "$softmmu" = "no"; then
4146   pixman_cflags=
4147   pixman_libs=
4148 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4149   pixman_cflags=$($pkg_config --cflags pixman-1)
4150   pixman_libs=$($pkg_config --libs pixman-1)
4151 else
4152   error_exit "pixman >= 0.21.8 not present." \
4153       "Please install the pixman devel package."
4154 fi
4155
4156 ##########################################
4157 # libmpathpersist probe
4158
4159 if test "$mpath" != "no" ; then
4160   # probe for the new API
4161   cat > $TMPC <<EOF
4162 #include <libudev.h>
4163 #include <mpath_persist.h>
4164 unsigned mpath_mx_alloc_len = 1024;
4165 int logsink;
4166 static struct config *multipath_conf;
4167 extern struct udev *udev;
4168 extern struct config *get_multipath_config(void);
4169 extern void put_multipath_config(struct config *conf);
4170 struct udev *udev;
4171 struct config *get_multipath_config(void) { return multipath_conf; }
4172 void put_multipath_config(struct config *conf) { }
4173
4174 int main(void) {
4175     udev = udev_new();
4176     multipath_conf = mpath_lib_init();
4177     return 0;
4178 }
4179 EOF
4180   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4181     mpathpersist=yes
4182     mpathpersist_new_api=yes
4183   else
4184     # probe for the old API
4185     cat > $TMPC <<EOF
4186 #include <libudev.h>
4187 #include <mpath_persist.h>
4188 unsigned mpath_mx_alloc_len = 1024;
4189 int logsink;
4190 int main(void) {
4191     struct udev *udev = udev_new();
4192     mpath_lib_init(udev);
4193     return 0;
4194 }
4195 EOF
4196     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4197       mpathpersist=yes
4198       mpathpersist_new_api=no
4199     else
4200       mpathpersist=no
4201     fi
4202   fi
4203 else
4204   mpathpersist=no
4205 fi
4206
4207 ##########################################
4208 # pthread probe
4209 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4210
4211 pthread=no
4212 cat > $TMPC << EOF
4213 #include <pthread.h>
4214 static void *f(void *p) { return NULL; }
4215 int main(void) {
4216   pthread_t thread;
4217   pthread_create(&thread, 0, f, 0);
4218   return 0;
4219 }
4220 EOF
4221 if compile_prog "" "" ; then
4222   pthread=yes
4223 else
4224   for pthread_lib in $PTHREADLIBS_LIST; do
4225     if compile_prog "" "$pthread_lib" ; then
4226       pthread=yes
4227       found=no
4228       for lib_entry in $LIBS; do
4229         if test "$lib_entry" = "$pthread_lib"; then
4230           found=yes
4231           break
4232         fi
4233       done
4234       if test "$found" = "no"; then
4235         LIBS="$pthread_lib $LIBS"
4236       fi
4237       PTHREAD_LIB="$pthread_lib"
4238       break
4239     fi
4240   done
4241 fi
4242
4243 if test "$mingw32" != yes && test "$pthread" = no; then
4244   error_exit "pthread check failed" \
4245       "Make sure to have the pthread libs and headers installed."
4246 fi
4247
4248 # check for pthread_setname_np with thread id
4249 pthread_setname_np_w_tid=no
4250 cat > $TMPC << EOF
4251 #include <pthread.h>
4252
4253 static void *f(void *p) { return NULL; }
4254 int main(void)
4255 {
4256     pthread_t thread;
4257     pthread_create(&thread, 0, f, 0);
4258     pthread_setname_np(thread, "QEMU");
4259     return 0;
4260 }
4261 EOF
4262 if compile_prog "" "$pthread_lib" ; then
4263   pthread_setname_np_w_tid=yes
4264 fi
4265
4266 # check for pthread_setname_np without thread id
4267 pthread_setname_np_wo_tid=no
4268 cat > $TMPC << EOF
4269 #include <pthread.h>
4270
4271 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4272 int main(void)
4273 {
4274     pthread_t thread;
4275     pthread_create(&thread, 0, f, 0);
4276     return 0;
4277 }
4278 EOF
4279 if compile_prog "" "$pthread_lib" ; then
4280   pthread_setname_np_wo_tid=yes
4281 fi
4282
4283 ##########################################
4284 # rbd probe
4285 if test "$rbd" != "no" ; then
4286   cat > $TMPC <<EOF
4287 #include <stdio.h>
4288 #include <rbd/librbd.h>
4289 int main(void) {
4290     rados_t cluster;
4291     rados_create(&cluster, NULL);
4292     return 0;
4293 }
4294 EOF
4295   rbd_libs="-lrbd -lrados"
4296   if compile_prog "" "$rbd_libs" ; then
4297     rbd=yes
4298   else
4299     if test "$rbd" = "yes" ; then
4300       feature_not_found "rados block device" "Install librbd/ceph devel"
4301     fi
4302     rbd=no
4303   fi
4304 fi
4305
4306 ##########################################
4307 # libssh probe
4308 if test "$libssh" != "no" ; then
4309   if $pkg_config --exists libssh; then
4310     libssh_cflags=$($pkg_config libssh --cflags)
4311     libssh_libs=$($pkg_config libssh --libs)
4312     libssh=yes
4313   else
4314     if test "$libssh" = "yes" ; then
4315       error_exit "libssh required for --enable-libssh"
4316     fi
4317     libssh=no
4318   fi
4319 fi
4320
4321 ##########################################
4322 # Check for libssh 0.8
4323 # This is done like this instead of using the LIBSSH_VERSION_* and
4324 # SSH_VERSION_* macros because some distributions in the past shipped
4325 # snapshots of the future 0.8 from Git, and those snapshots did not
4326 # have updated version numbers (still referring to 0.7.0).
4327
4328 if test "$libssh" = "yes"; then
4329   cat > $TMPC <<EOF
4330 #include <libssh/libssh.h>
4331 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4332 EOF
4333   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4334     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4335   fi
4336 fi
4337
4338 ##########################################
4339 # linux-aio probe
4340
4341 if test "$linux_aio" != "no" ; then
4342   cat > $TMPC <<EOF
4343 #include <libaio.h>
4344 #include <sys/eventfd.h>
4345 #include <stddef.h>
4346 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4347 EOF
4348   if compile_prog "" "-laio" ; then
4349     linux_aio=yes
4350   else
4351     if test "$linux_aio" = "yes" ; then
4352       feature_not_found "linux AIO" "Install libaio devel"
4353     fi
4354     linux_aio=no
4355   fi
4356 fi
4357 ##########################################
4358 # linux-io-uring probe
4359
4360 if test "$linux_io_uring" != "no" ; then
4361   if $pkg_config liburing; then
4362     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4363     linux_io_uring_libs=$($pkg_config --libs liburing)
4364     linux_io_uring=yes
4365
4366     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4367     # seen by programs linking the archive.  It's not ideal, but just add the
4368     # library dependency globally.
4369     LIBS="$linux_io_uring_libs $LIBS"
4370   else
4371     if test "$linux_io_uring" = "yes" ; then
4372       feature_not_found "linux io_uring" "Install liburing devel"
4373     fi
4374     linux_io_uring=no
4375   fi
4376 fi
4377
4378 ##########################################
4379 # TPM emulation is only on POSIX
4380
4381 if test "$tpm" = ""; then
4382   if test "$mingw32" = "yes"; then
4383     tpm=no
4384   else
4385     tpm=yes
4386   fi
4387 elif test "$tpm" = "yes"; then
4388   if test "$mingw32" = "yes" ; then
4389     error_exit "TPM emulation only available on POSIX systems"
4390   fi
4391 fi
4392
4393 ##########################################
4394 # attr probe
4395
4396 libattr_libs=
4397 if test "$attr" != "no" ; then
4398   cat > $TMPC <<EOF
4399 #include <stdio.h>
4400 #include <sys/types.h>
4401 #ifdef CONFIG_LIBATTR
4402 #include <attr/xattr.h>
4403 #else
4404 #include <sys/xattr.h>
4405 #endif
4406 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4407 EOF
4408   if compile_prog "" "" ; then
4409     attr=yes
4410   # Older distros have <attr/xattr.h>, and need -lattr:
4411   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4412     attr=yes
4413     libattr_libs="-lattr"
4414     LIBS="$libattr_libs $LIBS"
4415     libattr=yes
4416   else
4417     if test "$attr" = "yes" ; then
4418       feature_not_found "ATTR" "Install libc6 or libattr devel"
4419     fi
4420     attr=no
4421   fi
4422 fi
4423
4424 ##########################################
4425 # iovec probe
4426 cat > $TMPC <<EOF
4427 #include <sys/types.h>
4428 #include <sys/uio.h>
4429 #include <unistd.h>
4430 int main(void) { return sizeof(struct iovec); }
4431 EOF
4432 iovec=no
4433 if compile_prog "" "" ; then
4434   iovec=yes
4435 fi
4436
4437 ##########################################
4438 # preadv probe
4439 cat > $TMPC <<EOF
4440 #include <sys/types.h>
4441 #include <sys/uio.h>
4442 #include <unistd.h>
4443 int main(void) { return preadv(0, 0, 0, 0); }
4444 EOF
4445 preadv=no
4446 if compile_prog "" "" ; then
4447   preadv=yes
4448 fi
4449
4450 ##########################################
4451 # fdt probe
4452 # fdt support is mandatory for at least some target architectures,
4453 # so insist on it if we're building those system emulators.
4454 fdt_required=no
4455 for target in $target_list; do
4456   case $target in
4457     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4458       fdt_required=yes
4459     ;;
4460   esac
4461 done
4462
4463 if test "$fdt_required" = "yes"; then
4464   if test "$fdt" = "no"; then
4465     error_exit "fdt disabled but some requested targets require it." \
4466       "You can turn off fdt only if you also disable all the system emulation" \
4467       "targets which need it (by specifying a cut down --target-list)."
4468   fi
4469   fdt=yes
4470 elif test "$fdt" != "yes" ; then
4471   fdt=no
4472 fi
4473
4474 # fdt is only required when building softmmu targets
4475 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4476     fdt="no"
4477 fi
4478
4479 if test "$fdt" != "no" ; then
4480   fdt_libs="-lfdt"
4481   # explicitly check for libfdt_env.h as it is missing in some stable installs
4482   # and test for required functions to make sure we are on a version >= 1.4.2
4483   cat > $TMPC << EOF
4484 #include <libfdt.h>
4485 #include <libfdt_env.h>
4486 int main(void) { fdt_check_full(NULL, 0); return 0; }
4487 EOF
4488   if compile_prog "" "$fdt_libs" ; then
4489     # system DTC is good - use it
4490     fdt=system
4491   else
4492       # have GIT checkout, so activate dtc submodule
4493       if test -e "${source_path}/.git" ; then
4494           git_submodules="${git_submodules} dtc"
4495       fi
4496       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4497           fdt=git
4498           mkdir -p dtc
4499           if [ "$pwd_is_source_path" != "y" ] ; then
4500               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4501           fi
4502           fdt_cflags="-I${source_path}/dtc/libfdt"
4503           fdt_ldflags="-L$PWD/dtc/libfdt"
4504           fdt_libs="$fdt_libs"
4505       elif test "$fdt" = "yes" ; then
4506           # Not a git build & no libfdt found, prompt for system install
4507           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4508                      "Please install the DTC (libfdt) devel package"
4509       else
4510           # don't have and don't want
4511           fdt_libs=
4512           fdt=no
4513       fi
4514   fi
4515 fi
4516
4517 libs_softmmu="$libs_softmmu $fdt_libs"
4518
4519 ##########################################
4520 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4521
4522 gbm="no"
4523 if $pkg_config gbm; then
4524     gbm_cflags="$($pkg_config --cflags gbm)"
4525     gbm_libs="$($pkg_config --libs gbm)"
4526     gbm="yes"
4527 fi
4528
4529 if test "$opengl" != "no" ; then
4530   opengl_pkgs="epoxy gbm"
4531   if $pkg_config $opengl_pkgs; then
4532     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4533     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4534     opengl=yes
4535     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4536         gtk_gl="yes"
4537     fi
4538     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4539   else
4540     if test "$opengl" = "yes" ; then
4541       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4542     fi
4543     opengl_cflags=""
4544     opengl_libs=""
4545     opengl=no
4546   fi
4547 fi
4548
4549 if test "$opengl" = "yes"; then
4550   cat > $TMPC << EOF
4551 #include <epoxy/egl.h>
4552 #ifndef EGL_MESA_image_dma_buf_export
4553 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4554 #endif
4555 int main(void) { return 0; }
4556 EOF
4557   if compile_prog "" "" ; then
4558     opengl_dmabuf=yes
4559   fi
4560 fi
4561
4562 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4563   for target in $target_list; do
4564     case $target in
4565       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4566         need_x11=yes
4567       ;;
4568     esac
4569   done
4570 fi
4571
4572 ##########################################
4573 # libxml2 probe
4574 if test "$libxml2" != "no" ; then
4575     if $pkg_config --exists libxml-2.0; then
4576         libxml2="yes"
4577         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4578         libxml2_libs=$($pkg_config --libs libxml-2.0)
4579     else
4580         if test "$libxml2" = "yes"; then
4581             feature_not_found "libxml2" "Install libxml2 devel"
4582         fi
4583         libxml2="no"
4584     fi
4585 fi
4586
4587 ##########################################
4588 # glusterfs probe
4589 if test "$glusterfs" != "no" ; then
4590   if $pkg_config --atleast-version=3 glusterfs-api; then
4591     glusterfs="yes"
4592     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4593     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4594     if $pkg_config --atleast-version=4 glusterfs-api; then
4595       glusterfs_xlator_opt="yes"
4596     fi
4597     if $pkg_config --atleast-version=5 glusterfs-api; then
4598       glusterfs_discard="yes"
4599     fi
4600     if $pkg_config --atleast-version=6 glusterfs-api; then
4601       glusterfs_fallocate="yes"
4602       glusterfs_zerofill="yes"
4603     fi
4604     cat > $TMPC << EOF
4605 #include <glusterfs/api/glfs.h>
4606
4607 int
4608 main(void)
4609 {
4610         /* new glfs_ftruncate() passes two additional args */
4611         return glfs_ftruncate(NULL, 0, NULL, NULL);
4612 }
4613 EOF
4614     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4615       glusterfs_ftruncate_has_stat="yes"
4616     fi
4617     cat > $TMPC << EOF
4618 #include <glusterfs/api/glfs.h>
4619
4620 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4621 static void
4622 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4623 {}
4624
4625 int
4626 main(void)
4627 {
4628         glfs_io_cbk iocb = &glusterfs_iocb;
4629         iocb(NULL, 0 , NULL, NULL, NULL);
4630         return 0;
4631 }
4632 EOF
4633     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4634       glusterfs_iocb_has_stat="yes"
4635     fi
4636   else
4637     if test "$glusterfs" = "yes" ; then
4638       feature_not_found "GlusterFS backend support" \
4639           "Install glusterfs-api devel >= 3"
4640     fi
4641     glusterfs="no"
4642   fi
4643 fi
4644
4645 # Check for inotify functions when we are building linux-user
4646 # emulator.  This is done because older glibc versions don't
4647 # have syscall stubs for these implemented.  In that case we
4648 # don't provide them even if kernel supports them.
4649 #
4650 inotify=no
4651 cat > $TMPC << EOF
4652 #include <sys/inotify.h>
4653
4654 int
4655 main(void)
4656 {
4657         /* try to start inotify */
4658         return inotify_init();
4659 }
4660 EOF
4661 if compile_prog "" "" ; then
4662   inotify=yes
4663 fi
4664
4665 inotify1=no
4666 cat > $TMPC << EOF
4667 #include <sys/inotify.h>
4668
4669 int
4670 main(void)
4671 {
4672     /* try to start inotify */
4673     return inotify_init1(0);
4674 }
4675 EOF
4676 if compile_prog "" "" ; then
4677   inotify1=yes
4678 fi
4679
4680 # check if pipe2 is there
4681 pipe2=no
4682 cat > $TMPC << EOF
4683 #include <unistd.h>
4684 #include <fcntl.h>
4685
4686 int main(void)
4687 {
4688     int pipefd[2];
4689     return pipe2(pipefd, O_CLOEXEC);
4690 }
4691 EOF
4692 if compile_prog "" "" ; then
4693   pipe2=yes
4694 fi
4695
4696 # check if accept4 is there
4697 accept4=no
4698 cat > $TMPC << EOF
4699 #include <sys/socket.h>
4700 #include <stddef.h>
4701
4702 int main(void)
4703 {
4704     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4705     return 0;
4706 }
4707 EOF
4708 if compile_prog "" "" ; then
4709   accept4=yes
4710 fi
4711
4712 # check if tee/splice is there. vmsplice was added same time.
4713 splice=no
4714 cat > $TMPC << EOF
4715 #include <unistd.h>
4716 #include <fcntl.h>
4717 #include <limits.h>
4718
4719 int main(void)
4720 {
4721     int len, fd = 0;
4722     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4723     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4724     return 0;
4725 }
4726 EOF
4727 if compile_prog "" "" ; then
4728   splice=yes
4729 fi
4730
4731 ##########################################
4732 # libnuma probe
4733
4734 if test "$numa" != "no" ; then
4735   cat > $TMPC << EOF
4736 #include <numa.h>
4737 int main(void) { return numa_available(); }
4738 EOF
4739
4740   if compile_prog "" "-lnuma" ; then
4741     numa=yes
4742     libs_softmmu="-lnuma $libs_softmmu"
4743     numa_libs="-lnuma"
4744   else
4745     if test "$numa" = "yes" ; then
4746       feature_not_found "numa" "install numactl devel"
4747     fi
4748     numa=no
4749   fi
4750 fi
4751
4752 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4753     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4754     exit 1
4755 fi
4756
4757 # Even if malloc_trim() is available, these non-libc memory allocators
4758 # do not support it.
4759 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4760     if test "$malloc_trim" = "yes" ; then
4761         echo "Disabling malloc_trim with non-libc memory allocator"
4762     fi
4763     malloc_trim="no"
4764 fi
4765
4766 #######################################
4767 # malloc_trim
4768
4769 if test "$malloc_trim" != "no" ; then
4770     cat > $TMPC << EOF
4771 #include <malloc.h>
4772 int main(void) { malloc_trim(0); return 0; }
4773 EOF
4774     if compile_prog "" "" ; then
4775         malloc_trim="yes"
4776     else
4777         malloc_trim="no"
4778     fi
4779 fi
4780
4781 ##########################################
4782 # tcmalloc probe
4783
4784 if test "$tcmalloc" = "yes" ; then
4785   cat > $TMPC << EOF
4786 #include <stdlib.h>
4787 int main(void) {
4788     void *tmp = malloc(1);
4789     if (tmp != NULL) {
4790         return 0;
4791     }
4792     return 1;
4793 }
4794 EOF
4795
4796   if compile_prog "" "-ltcmalloc" ; then
4797     LIBS="-ltcmalloc $LIBS"
4798   else
4799     feature_not_found "tcmalloc" "install gperftools devel"
4800   fi
4801 fi
4802
4803 ##########################################
4804 # jemalloc probe
4805
4806 if test "$jemalloc" = "yes" ; then
4807   cat > $TMPC << EOF
4808 #include <stdlib.h>
4809 int main(void) {
4810     void *tmp = malloc(1);
4811     if (tmp != NULL) {
4812         return 0;
4813     }
4814     return 1;
4815 }
4816 EOF
4817
4818   if compile_prog "" "-ljemalloc" ; then
4819     LIBS="-ljemalloc $LIBS"
4820   else
4821     feature_not_found "jemalloc" "install jemalloc devel"
4822   fi
4823 fi
4824
4825 ##########################################
4826 # signalfd probe
4827 signalfd="no"
4828 cat > $TMPC << EOF
4829 #include <unistd.h>
4830 #include <sys/syscall.h>
4831 #include <signal.h>
4832 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4833 EOF
4834
4835 if compile_prog "" "" ; then
4836   signalfd=yes
4837 fi
4838
4839 # check if optreset global is declared by <getopt.h>
4840 optreset="no"
4841 cat > $TMPC << EOF
4842 #include <getopt.h>
4843 int main(void) { return optreset; }
4844 EOF
4845
4846 if compile_prog "" "" ; then
4847   optreset=yes
4848 fi
4849
4850 # check if eventfd is supported
4851 eventfd=no
4852 cat > $TMPC << EOF
4853 #include <sys/eventfd.h>
4854
4855 int main(void)
4856 {
4857     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4858 }
4859 EOF
4860 if compile_prog "" "" ; then
4861   eventfd=yes
4862 fi
4863
4864 # check if memfd is supported
4865 memfd=no
4866 cat > $TMPC << EOF
4867 #include <sys/mman.h>
4868
4869 int main(void)
4870 {
4871     return memfd_create("foo", MFD_ALLOW_SEALING);
4872 }
4873 EOF
4874 if compile_prog "" "" ; then
4875   memfd=yes
4876 fi
4877
4878 # check for usbfs
4879 have_usbfs=no
4880 if test "$linux_user" = "yes"; then
4881   cat > $TMPC << EOF
4882 #include <linux/usbdevice_fs.h>
4883
4884 #ifndef USBDEVFS_GET_CAPABILITIES
4885 #error "USBDEVFS_GET_CAPABILITIES undefined"
4886 #endif
4887
4888 #ifndef USBDEVFS_DISCONNECT_CLAIM
4889 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4890 #endif
4891
4892 int main(void)
4893 {
4894     return 0;
4895 }
4896 EOF
4897   if compile_prog "" ""; then
4898     have_usbfs=yes
4899   fi
4900 fi
4901
4902 # check for fallocate
4903 fallocate=no
4904 cat > $TMPC << EOF
4905 #include <fcntl.h>
4906
4907 int main(void)
4908 {
4909     fallocate(0, 0, 0, 0);
4910     return 0;
4911 }
4912 EOF
4913 if compile_prog "" "" ; then
4914   fallocate=yes
4915 fi
4916
4917 # check for fallocate hole punching
4918 fallocate_punch_hole=no
4919 cat > $TMPC << EOF
4920 #include <fcntl.h>
4921 #include <linux/falloc.h>
4922
4923 int main(void)
4924 {
4925     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4926     return 0;
4927 }
4928 EOF
4929 if compile_prog "" "" ; then
4930   fallocate_punch_hole=yes
4931 fi
4932
4933 # check that fallocate supports range zeroing inside the file
4934 fallocate_zero_range=no
4935 cat > $TMPC << EOF
4936 #include <fcntl.h>
4937 #include <linux/falloc.h>
4938
4939 int main(void)
4940 {
4941     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4942     return 0;
4943 }
4944 EOF
4945 if compile_prog "" "" ; then
4946   fallocate_zero_range=yes
4947 fi
4948
4949 # check for posix_fallocate
4950 posix_fallocate=no
4951 cat > $TMPC << EOF
4952 #include <fcntl.h>
4953
4954 int main(void)
4955 {
4956     posix_fallocate(0, 0, 0);
4957     return 0;
4958 }
4959 EOF
4960 if compile_prog "" "" ; then
4961     posix_fallocate=yes
4962 fi
4963
4964 # check for sync_file_range
4965 sync_file_range=no
4966 cat > $TMPC << EOF
4967 #include <fcntl.h>
4968
4969 int main(void)
4970 {
4971     sync_file_range(0, 0, 0, 0);
4972     return 0;
4973 }
4974 EOF
4975 if compile_prog "" "" ; then
4976   sync_file_range=yes
4977 fi
4978
4979 # check for linux/fiemap.h and FS_IOC_FIEMAP
4980 fiemap=no
4981 cat > $TMPC << EOF
4982 #include <sys/ioctl.h>
4983 #include <linux/fs.h>
4984 #include <linux/fiemap.h>
4985
4986 int main(void)
4987 {
4988     ioctl(0, FS_IOC_FIEMAP, 0);
4989     return 0;
4990 }
4991 EOF
4992 if compile_prog "" "" ; then
4993   fiemap=yes
4994 fi
4995
4996 # check for dup3
4997 dup3=no
4998 cat > $TMPC << EOF
4999 #include <unistd.h>
5000
5001 int main(void)
5002 {
5003     dup3(0, 0, 0);
5004     return 0;
5005 }
5006 EOF
5007 if compile_prog "" "" ; then
5008   dup3=yes
5009 fi
5010
5011 # check for ppoll support
5012 ppoll=no
5013 cat > $TMPC << EOF
5014 #include <poll.h>
5015
5016 int main(void)
5017 {
5018     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
5019     ppoll(&pfd, 1, 0, 0);
5020     return 0;
5021 }
5022 EOF
5023 if compile_prog "" "" ; then
5024   ppoll=yes
5025 fi
5026
5027 # check for prctl(PR_SET_TIMERSLACK , ... ) support
5028 prctl_pr_set_timerslack=no
5029 cat > $TMPC << EOF
5030 #include <sys/prctl.h>
5031
5032 int main(void)
5033 {
5034     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5035     return 0;
5036 }
5037 EOF
5038 if compile_prog "" "" ; then
5039   prctl_pr_set_timerslack=yes
5040 fi
5041
5042 # check for epoll support
5043 epoll=no
5044 cat > $TMPC << EOF
5045 #include <sys/epoll.h>
5046
5047 int main(void)
5048 {
5049     epoll_create(0);
5050     return 0;
5051 }
5052 EOF
5053 if compile_prog "" "" ; then
5054   epoll=yes
5055 fi
5056
5057 # epoll_create1 is a later addition
5058 # so we must check separately for its presence
5059 epoll_create1=no
5060 cat > $TMPC << EOF
5061 #include <sys/epoll.h>
5062
5063 int main(void)
5064 {
5065     /* Note that we use epoll_create1 as a value, not as
5066      * a function being called. This is necessary so that on
5067      * old SPARC glibc versions where the function was present in
5068      * the library but not declared in the header file we will
5069      * fail the configure check. (Otherwise we will get a compiler
5070      * warning but not an error, and will proceed to fail the
5071      * qemu compile where we compile with -Werror.)
5072      */
5073     return (int)(uintptr_t)&epoll_create1;
5074 }
5075 EOF
5076 if compile_prog "" "" ; then
5077   epoll_create1=yes
5078 fi
5079
5080 # check for sendfile support
5081 sendfile=no
5082 cat > $TMPC << EOF
5083 #include <sys/sendfile.h>
5084
5085 int main(void)
5086 {
5087     return sendfile(0, 0, 0, 0);
5088 }
5089 EOF
5090 if compile_prog "" "" ; then
5091   sendfile=yes
5092 fi
5093
5094 # check for timerfd support (glibc 2.8 and newer)
5095 timerfd=no
5096 cat > $TMPC << EOF
5097 #include <sys/timerfd.h>
5098
5099 int main(void)
5100 {
5101     return(timerfd_create(CLOCK_REALTIME, 0));
5102 }
5103 EOF
5104 if compile_prog "" "" ; then
5105   timerfd=yes
5106 fi
5107
5108 # check for setns and unshare support
5109 setns=no
5110 cat > $TMPC << EOF
5111 #include <sched.h>
5112
5113 int main(void)
5114 {
5115     int ret;
5116     ret = setns(0, 0);
5117     ret = unshare(0);
5118     return ret;
5119 }
5120 EOF
5121 if compile_prog "" "" ; then
5122   setns=yes
5123 fi
5124
5125 # clock_adjtime probe
5126 clock_adjtime=no
5127 cat > $TMPC <<EOF
5128 #include <time.h>
5129
5130 int main(void)
5131 {
5132     return clock_adjtime(0, 0);
5133 }
5134 EOF
5135 clock_adjtime=no
5136 if compile_prog "" "" ; then
5137   clock_adjtime=yes
5138 fi
5139
5140 # syncfs probe
5141 syncfs=no
5142 cat > $TMPC <<EOF
5143 #include <unistd.h>
5144
5145 int main(void)
5146 {
5147     return syncfs(0);
5148 }
5149 EOF
5150 syncfs=no
5151 if compile_prog "" "" ; then
5152   syncfs=yes
5153 fi
5154
5155 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5156 kcov=no
5157 if check_include sys/kcov.h ; then
5158     kcov=yes
5159 fi
5160
5161 # If we're making warnings fatal, apply this to Sphinx runs as well
5162 sphinx_werror=""
5163 if test "$werror" = "yes"; then
5164     sphinx_werror="-W"
5165 fi
5166
5167 # Check we have a new enough version of sphinx-build
5168 has_sphinx_build() {
5169     # This is a bit awkward but works: create a trivial document and
5170     # try to run it with our configuration file (which enforces a
5171     # version requirement). This will fail if either
5172     # sphinx-build doesn't exist at all or if it is too old.
5173     mkdir -p "$TMPDIR1/sphinx"
5174     touch "$TMPDIR1/sphinx/index.rst"
5175     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5176                     -b html "$TMPDIR1/sphinx" \
5177                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5178 }
5179
5180 # Check if tools are available to build documentation.
5181 if test "$docs" != "no" ; then
5182   if has_sphinx_build; then
5183     sphinx_ok=yes
5184   else
5185     sphinx_ok=no
5186   fi
5187   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5188     docs=yes
5189   else
5190     if test "$docs" = "yes" ; then
5191       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5192         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5193       fi
5194       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5195     fi
5196     docs=no
5197   fi
5198 fi
5199
5200 # Search for bswap_32 function
5201 byteswap_h=no
5202 cat > $TMPC << EOF
5203 #include <byteswap.h>
5204 int main(void) { return bswap_32(0); }
5205 EOF
5206 if compile_prog "" "" ; then
5207   byteswap_h=yes
5208 fi
5209
5210 # Search for bswap32 function
5211 bswap_h=no
5212 cat > $TMPC << EOF
5213 #include <sys/endian.h>
5214 #include <sys/types.h>
5215 #include <machine/bswap.h>
5216 int main(void) { return bswap32(0); }
5217 EOF
5218 if compile_prog "" "" ; then
5219   bswap_h=yes
5220 fi
5221
5222 ##########################################
5223 # Do we have libiscsi >= 1.9.0
5224 if test "$libiscsi" != "no" ; then
5225   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5226     libiscsi="yes"
5227     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5228     libiscsi_libs=$($pkg_config --libs libiscsi)
5229   else
5230     if test "$libiscsi" = "yes" ; then
5231       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5232     fi
5233     libiscsi="no"
5234   fi
5235 fi
5236
5237 ##########################################
5238 # Do we need libm
5239 cat > $TMPC << EOF
5240 #include <math.h>
5241 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5242 EOF
5243 if compile_prog "" "" ; then
5244   :
5245 elif compile_prog "" "-lm" ; then
5246   LIBS="-lm $LIBS"
5247 else
5248   error_exit "libm check failed"
5249 fi
5250
5251 ##########################################
5252 # Do we need librt
5253 # uClibc provides 2 versions of clock_gettime(), one with realtime
5254 # support and one without. This means that the clock_gettime() don't
5255 # need -lrt. We still need it for timer_create() so we check for this
5256 # function in addition.
5257 cat > $TMPC <<EOF
5258 #include <signal.h>
5259 #include <time.h>
5260 int main(void) {
5261   timer_create(CLOCK_REALTIME, NULL, NULL);
5262   return clock_gettime(CLOCK_REALTIME, NULL);
5263 }
5264 EOF
5265
5266 if compile_prog "" "" ; then
5267   :
5268 # we need pthread for static linking. use previous pthread test result
5269 elif compile_prog "" "$pthread_lib -lrt" ; then
5270   LIBS="$LIBS -lrt"
5271 fi
5272
5273 # Check whether we need to link libutil for openpty()
5274 cat > $TMPC << EOF
5275 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5276 int main(void) { return openpty(0, 0, 0, 0, 0); }
5277 EOF
5278
5279 have_openpty="no"
5280 if compile_prog "" "" ; then
5281   have_openpty="yes"
5282 else
5283   if compile_prog "" "-lutil" ; then
5284     libs_softmmu="-lutil $libs_softmmu"
5285     libs_tools="-lutil $libs_tools"
5286     have_openpty="yes"
5287   fi
5288 fi
5289
5290 ##########################################
5291 # spice probe
5292 if test "$spice" != "no" ; then
5293   cat > $TMPC << EOF
5294 #include <spice.h>
5295 int main(void) { spice_server_new(); return 0; }
5296 EOF
5297   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5298   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5299   if $pkg_config --atleast-version=0.12.5 spice-server && \
5300      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5301      compile_prog "$spice_cflags" "$spice_libs" ; then
5302     spice="yes"
5303     libs_softmmu="$libs_softmmu $spice_libs"
5304     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5305   else
5306     if test "$spice" = "yes" ; then
5307       feature_not_found "spice" \
5308           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5309     fi
5310     spice="no"
5311   fi
5312 fi
5313
5314 # check for smartcard support
5315 if test "$smartcard" != "no"; then
5316     if $pkg_config --atleast-version=2.5.1 libcacard; then
5317         libcacard_cflags=$($pkg_config --cflags libcacard)
5318         libcacard_libs=$($pkg_config --libs libcacard)
5319         smartcard="yes"
5320     else
5321         if test "$smartcard" = "yes"; then
5322             feature_not_found "smartcard" "Install libcacard devel"
5323         fi
5324         smartcard="no"
5325     fi
5326 fi
5327
5328 # check for libusb
5329 if test "$libusb" != "no" ; then
5330     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5331         libusb="yes"
5332         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5333         libusb_libs=$($pkg_config --libs libusb-1.0)
5334     else
5335         if test "$libusb" = "yes"; then
5336             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5337         fi
5338         libusb="no"
5339     fi
5340 fi
5341
5342 # check for usbredirparser for usb network redirection support
5343 if test "$usb_redir" != "no" ; then
5344     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5345         usb_redir="yes"
5346         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5347         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5348     else
5349         if test "$usb_redir" = "yes"; then
5350             feature_not_found "usb-redir" "Install usbredir devel"
5351         fi
5352         usb_redir="no"
5353     fi
5354 fi
5355
5356 ##########################################
5357 # check if we have VSS SDK headers for win
5358
5359 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5360         test "$vss_win32_sdk" != "no" ; then
5361   case "$vss_win32_sdk" in
5362     "")   vss_win32_include="-isystem $source_path" ;;
5363     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5364           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5365           vss_win32_include="-isystem $source_path/.sdk/vss"
5366           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5367           ;;
5368     *)    vss_win32_include="-isystem $vss_win32_sdk"
5369   esac
5370   cat > $TMPC << EOF
5371 #define __MIDL_user_allocate_free_DEFINED__
5372 #include <inc/win2003/vss.h>
5373 int main(void) { return VSS_CTX_BACKUP; }
5374 EOF
5375   if compile_prog "$vss_win32_include" "" ; then
5376     guest_agent_with_vss="yes"
5377     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5378     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5379     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5380   else
5381     if test "$vss_win32_sdk" != "" ; then
5382       echo "ERROR: Please download and install Microsoft VSS SDK:"
5383       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5384       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5385       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5386       echo "ERROR: The headers are extracted in the directory \`inc'."
5387       feature_not_found "VSS support"
5388     fi
5389     guest_agent_with_vss="no"
5390   fi
5391 fi
5392
5393 ##########################################
5394 # lookup Windows platform SDK (if not specified)
5395 # The SDK is needed only to build .tlb (type library) file of guest agent
5396 # VSS provider from the source. It is usually unnecessary because the
5397 # pre-compiled .tlb file is included.
5398
5399 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5400         test "$guest_agent_with_vss" = "yes" ; then
5401   if test -z "$win_sdk"; then
5402     programfiles="$PROGRAMFILES"
5403     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5404     if test -n "$programfiles"; then
5405       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5406     else
5407       feature_not_found "Windows SDK"
5408     fi
5409   elif test "$win_sdk" = "no"; then
5410     win_sdk=""
5411   fi
5412 fi
5413
5414 ##########################################
5415 # check if mingw environment provides a recent ntddscsi.h
5416 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5417   cat > $TMPC << EOF
5418 #include <windows.h>
5419 #include <ntddscsi.h>
5420 int main(void) {
5421 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5422 #error Missing required ioctl definitions
5423 #endif
5424   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5425   return addr.Lun;
5426 }
5427 EOF
5428   if compile_prog "" "" ; then
5429     guest_agent_ntddscsi=yes
5430     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5431   fi
5432 fi
5433
5434 ##########################################
5435 # virgl renderer probe
5436
5437 if test "$virglrenderer" != "no" ; then
5438   cat > $TMPC << EOF
5439 #include <virglrenderer.h>
5440 int main(void) { virgl_renderer_poll(); return 0; }
5441 EOF
5442   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5443   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5444   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5445   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5446      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5447     virglrenderer="yes"
5448   else
5449     if test "$virglrenderer" = "yes" ; then
5450       feature_not_found "virglrenderer"
5451     fi
5452     virglrenderer="no"
5453   fi
5454 fi
5455
5456 ##########################################
5457 # capstone
5458
5459 case "$capstone" in
5460   "" | yes)
5461     if $pkg_config capstone; then
5462       capstone=system
5463     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5464       capstone=git
5465     elif test -e "${source_path}/capstone/Makefile" ; then
5466       capstone=internal
5467     elif test -z "$capstone" ; then
5468       capstone=no
5469     else
5470       feature_not_found "capstone" "Install capstone devel or git submodule"
5471     fi
5472     ;;
5473
5474   system)
5475     if ! $pkg_config capstone; then
5476       feature_not_found "capstone" "Install capstone devel"
5477     fi
5478     ;;
5479 esac
5480
5481 case "$capstone" in
5482   git | internal)
5483     if test "$capstone" = git; then
5484       git_submodules="${git_submodules} capstone"
5485     fi
5486     mkdir -p capstone
5487     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5488     if test "$mingw32" = "yes"; then
5489       LIBCAPSTONE=capstone.lib
5490     else
5491       LIBCAPSTONE=libcapstone.a
5492     fi
5493     libs_cpu="-L$PWD/capstone -lcapstone $libs_cpu"
5494     ;;
5495
5496   system)
5497     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5498     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5499     ;;
5500
5501   no)
5502     ;;
5503   *)
5504     error_exit "Unknown state for capstone: $capstone"
5505     ;;
5506 esac
5507
5508 ##########################################
5509 # check if we have fdatasync
5510
5511 fdatasync=no
5512 cat > $TMPC << EOF
5513 #include <unistd.h>
5514 int main(void) {
5515 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5516 return fdatasync(0);
5517 #else
5518 #error Not supported
5519 #endif
5520 }
5521 EOF
5522 if compile_prog "" "" ; then
5523     fdatasync=yes
5524 fi
5525
5526 ##########################################
5527 # check if we have madvise
5528
5529 madvise=no
5530 cat > $TMPC << EOF
5531 #include <sys/types.h>
5532 #include <sys/mman.h>
5533 #include <stddef.h>
5534 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5535 EOF
5536 if compile_prog "" "" ; then
5537     madvise=yes
5538 fi
5539
5540 ##########################################
5541 # check if we have posix_madvise
5542
5543 posix_madvise=no
5544 cat > $TMPC << EOF
5545 #include <sys/mman.h>
5546 #include <stddef.h>
5547 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5548 EOF
5549 if compile_prog "" "" ; then
5550     posix_madvise=yes
5551 fi
5552
5553 ##########################################
5554 # check if we have posix_memalign()
5555
5556 posix_memalign=no
5557 cat > $TMPC << EOF
5558 #include <stdlib.h>
5559 int main(void) {
5560     void *p;
5561     return posix_memalign(&p, 8, 8);
5562 }
5563 EOF
5564 if compile_prog "" "" ; then
5565     posix_memalign=yes
5566 fi
5567
5568 ##########################################
5569 # check if we have posix_syslog
5570
5571 posix_syslog=no
5572 cat > $TMPC << EOF
5573 #include <syslog.h>
5574 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5575 EOF
5576 if compile_prog "" "" ; then
5577     posix_syslog=yes
5578 fi
5579
5580 ##########################################
5581 # check if we have sem_timedwait
5582
5583 sem_timedwait=no
5584 cat > $TMPC << EOF
5585 #include <semaphore.h>
5586 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5587 EOF
5588 if compile_prog "" "" ; then
5589     sem_timedwait=yes
5590 fi
5591
5592 ##########################################
5593 # check if we have strchrnul
5594
5595 strchrnul=no
5596 cat > $TMPC << EOF
5597 #include <string.h>
5598 int main(void);
5599 // Use a haystack that the compiler shouldn't be able to constant fold
5600 char *haystack = (char*)&main;
5601 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5602 EOF
5603 if compile_prog "" "" ; then
5604     strchrnul=yes
5605 fi
5606
5607 #########################################
5608 # check if we have st_atim
5609
5610 st_atim=no
5611 cat > $TMPC << EOF
5612 #include <sys/stat.h>
5613 #include <stddef.h>
5614 int main(void) { return offsetof(struct stat, st_atim); }
5615 EOF
5616 if compile_prog "" "" ; then
5617     st_atim=yes
5618 fi
5619
5620 ##########################################
5621 # check if trace backend exists
5622
5623 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5624 if test "$?" -ne 0 ; then
5625   error_exit "invalid trace backends" \
5626       "Please choose supported trace backends."
5627 fi
5628
5629 ##########################################
5630 # For 'ust' backend, test if ust headers are present
5631 if have_backend "ust"; then
5632   cat > $TMPC << EOF
5633 #include <lttng/tracepoint.h>
5634 int main(void) { return 0; }
5635 EOF
5636   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5637     if $pkg_config lttng-ust --exists; then
5638       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5639     else
5640       lttng_ust_libs="-llttng-ust -ldl"
5641     fi
5642     if $pkg_config liburcu-bp --exists; then
5643       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5644     else
5645       urcu_bp_libs="-lurcu-bp"
5646     fi
5647
5648     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5649   else
5650     error_exit "Trace backend 'ust' missing lttng-ust header files"
5651   fi
5652 fi
5653
5654 ##########################################
5655 # For 'dtrace' backend, test if 'dtrace' command is present
5656 if have_backend "dtrace"; then
5657   if ! has 'dtrace' ; then
5658     error_exit "dtrace command is not found in PATH $PATH"
5659   fi
5660   trace_backend_stap="no"
5661   if has 'stap' ; then
5662     trace_backend_stap="yes"
5663   fi
5664 fi
5665
5666 ##########################################
5667 # check and set a backend for coroutine
5668
5669 # We prefer ucontext, but it's not always possible. The fallback
5670 # is sigcontext. On Windows the only valid backend is the Windows
5671 # specific one.
5672
5673 ucontext_works=no
5674 if test "$darwin" != "yes"; then
5675   cat > $TMPC << EOF
5676 #include <ucontext.h>
5677 #ifdef __stub_makecontext
5678 #error Ignoring glibc stub makecontext which will always fail
5679 #endif
5680 int main(void) { makecontext(0, 0, 0); return 0; }
5681 EOF
5682   if compile_prog "" "" ; then
5683     ucontext_works=yes
5684   fi
5685 fi
5686
5687 if test "$coroutine" = ""; then
5688   if test "$mingw32" = "yes"; then
5689     coroutine=win32
5690   elif test "$ucontext_works" = "yes"; then
5691     coroutine=ucontext
5692   else
5693     coroutine=sigaltstack
5694   fi
5695 else
5696   case $coroutine in
5697   windows)
5698     if test "$mingw32" != "yes"; then
5699       error_exit "'windows' coroutine backend only valid for Windows"
5700     fi
5701     # Unfortunately the user visible backend name doesn't match the
5702     # coroutine-*.c filename for this case, so we have to adjust it here.
5703     coroutine=win32
5704     ;;
5705   ucontext)
5706     if test "$ucontext_works" != "yes"; then
5707       feature_not_found "ucontext"
5708     fi
5709     ;;
5710   sigaltstack)
5711     if test "$mingw32" = "yes"; then
5712       error_exit "only the 'windows' coroutine backend is valid for Windows"
5713     fi
5714     ;;
5715   *)
5716     error_exit "unknown coroutine backend $coroutine"
5717     ;;
5718   esac
5719 fi
5720
5721 if test "$coroutine_pool" = ""; then
5722   coroutine_pool=yes
5723 fi
5724
5725 if test "$debug_stack_usage" = "yes"; then
5726   if test "$coroutine_pool" = "yes"; then
5727     echo "WARN: disabling coroutine pool for stack usage debugging"
5728     coroutine_pool=no
5729   fi
5730 fi
5731
5732 ##################################################
5733 # SafeStack
5734
5735
5736 if test "$safe_stack" = "yes"; then
5737 cat > $TMPC << EOF
5738 int main(int argc, char *argv[])
5739 {
5740 #if ! __has_feature(safe_stack)
5741 #error SafeStack Disabled
5742 #endif
5743     return 0;
5744 }
5745 EOF
5746   flag="-fsanitize=safe-stack"
5747   # Check that safe-stack is supported and enabled.
5748   if compile_prog "-Werror $flag" "$flag"; then
5749     # Flag needed both at compilation and at linking
5750     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5751     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5752   else
5753     error_exit "SafeStack not supported by your compiler"
5754   fi
5755   if test "$coroutine" != "ucontext"; then
5756     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5757   fi
5758 else
5759 cat > $TMPC << EOF
5760 int main(int argc, char *argv[])
5761 {
5762 #if defined(__has_feature)
5763 #if __has_feature(safe_stack)
5764 #error SafeStack Enabled
5765 #endif
5766 #endif
5767     return 0;
5768 }
5769 EOF
5770 if test "$safe_stack" = "no"; then
5771   # Make sure that safe-stack is disabled
5772   if ! compile_prog "-Werror" ""; then
5773     # SafeStack was already enabled, try to explicitly remove the feature
5774     flag="-fno-sanitize=safe-stack"
5775     if ! compile_prog "-Werror $flag" "$flag"; then
5776       error_exit "Configure cannot disable SafeStack"
5777     fi
5778     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5779     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5780   fi
5781 else # "$safe_stack" = ""
5782   # Set safe_stack to yes or no based on pre-existing flags
5783   if compile_prog "-Werror" ""; then
5784     safe_stack="no"
5785   else
5786     safe_stack="yes"
5787     if test "$coroutine" != "ucontext"; then
5788       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5789     fi
5790   fi
5791 fi
5792 fi
5793
5794 ##########################################
5795 # check if we have open_by_handle_at
5796
5797 open_by_handle_at=no
5798 cat > $TMPC << EOF
5799 #include <fcntl.h>
5800 #if !defined(AT_EMPTY_PATH)
5801 # error missing definition
5802 #else
5803 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5804 #endif
5805 EOF
5806 if compile_prog "" "" ; then
5807     open_by_handle_at=yes
5808 fi
5809
5810 ########################################
5811 # check if we have linux/magic.h
5812
5813 linux_magic_h=no
5814 cat > $TMPC << EOF
5815 #include <linux/magic.h>
5816 int main(void) {
5817   return 0;
5818 }
5819 EOF
5820 if compile_prog "" "" ; then
5821     linux_magic_h=yes
5822 fi
5823
5824 ########################################
5825 # check if we have valgrind/valgrind.h
5826
5827 valgrind_h=no
5828 cat > $TMPC << EOF
5829 #include <valgrind/valgrind.h>
5830 int main(void) {
5831   return 0;
5832 }
5833 EOF
5834 if compile_prog "" "" ; then
5835     valgrind_h=yes
5836 fi
5837
5838 ########################################
5839 # check if environ is declared
5840
5841 has_environ=no
5842 cat > $TMPC << EOF
5843 #include <unistd.h>
5844 int main(void) {
5845     environ = 0;
5846     return 0;
5847 }
5848 EOF
5849 if compile_prog "" "" ; then
5850     has_environ=yes
5851 fi
5852
5853 ########################################
5854 # check if cpuid.h is usable.
5855
5856 cat > $TMPC << EOF
5857 #include <cpuid.h>
5858 int main(void) {
5859     unsigned a, b, c, d;
5860     int max = __get_cpuid_max(0, 0);
5861
5862     if (max >= 1) {
5863         __cpuid(1, a, b, c, d);
5864     }
5865
5866     if (max >= 7) {
5867         __cpuid_count(7, 0, a, b, c, d);
5868     }
5869
5870     return 0;
5871 }
5872 EOF
5873 if compile_prog "" "" ; then
5874     cpuid_h=yes
5875 fi
5876
5877 ##########################################
5878 # avx2 optimization requirement check
5879 #
5880 # There is no point enabling this if cpuid.h is not usable,
5881 # since we won't be able to select the new routines.
5882
5883 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5884   cat > $TMPC << EOF
5885 #pragma GCC push_options
5886 #pragma GCC target("avx2")
5887 #include <cpuid.h>
5888 #include <immintrin.h>
5889 static int bar(void *a) {
5890     __m256i x = *(__m256i *)a;
5891     return _mm256_testz_si256(x, x);
5892 }
5893 int main(int argc, char *argv[]) { return bar(argv[0]); }
5894 EOF
5895   if compile_object "" ; then
5896     avx2_opt="yes"
5897   else
5898     avx2_opt="no"
5899   fi
5900 fi
5901
5902 ##########################################
5903 # avx512f optimization requirement check
5904 #
5905 # There is no point enabling this if cpuid.h is not usable,
5906 # since we won't be able to select the new routines.
5907 # by default, it is turned off.
5908 # if user explicitly want to enable it, check environment
5909
5910 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5911   cat > $TMPC << EOF
5912 #pragma GCC push_options
5913 #pragma GCC target("avx512f")
5914 #include <cpuid.h>
5915 #include <immintrin.h>
5916 static int bar(void *a) {
5917     __m512i x = *(__m512i *)a;
5918     return _mm512_test_epi64_mask(x, x);
5919 }
5920 int main(int argc, char *argv[])
5921 {
5922         return bar(argv[0]);
5923 }
5924 EOF
5925   if ! compile_object "" ; then
5926     avx512f_opt="no"
5927   fi
5928 else
5929   avx512f_opt="no"
5930 fi
5931
5932 ########################################
5933 # check if __[u]int128_t is usable.
5934
5935 int128=no
5936 cat > $TMPC << EOF
5937 __int128_t a;
5938 __uint128_t b;
5939 int main (void) {
5940   a = a + b;
5941   b = a * b;
5942   a = a * a;
5943   return 0;
5944 }
5945 EOF
5946 if compile_prog "" "" ; then
5947     int128=yes
5948 fi
5949
5950 #########################################
5951 # See if 128-bit atomic operations are supported.
5952
5953 atomic128=no
5954 if test "$int128" = "yes"; then
5955   cat > $TMPC << EOF
5956 int main(void)
5957 {
5958   unsigned __int128 x = 0, y = 0;
5959   y = __atomic_load_16(&x, 0);
5960   __atomic_store_16(&x, y, 0);
5961   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5962   return 0;
5963 }
5964 EOF
5965   if compile_prog "" "" ; then
5966     atomic128=yes
5967   fi
5968 fi
5969
5970 cmpxchg128=no
5971 if test "$int128" = yes && test "$atomic128" = no; then
5972   cat > $TMPC << EOF
5973 int main(void)
5974 {
5975   unsigned __int128 x = 0, y = 0;
5976   __sync_val_compare_and_swap_16(&x, y, x);
5977   return 0;
5978 }
5979 EOF
5980   if compile_prog "" "" ; then
5981     cmpxchg128=yes
5982   fi
5983 fi
5984
5985 #########################################
5986 # See if 64-bit atomic operations are supported.
5987 # Note that without __atomic builtins, we can only
5988 # assume atomic loads/stores max at pointer size.
5989
5990 cat > $TMPC << EOF
5991 #include <stdint.h>
5992 int main(void)
5993 {
5994   uint64_t x = 0, y = 0;
5995 #ifdef __ATOMIC_RELAXED
5996   y = __atomic_load_8(&x, 0);
5997   __atomic_store_8(&x, y, 0);
5998   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5999   __atomic_exchange_8(&x, y, 0);
6000   __atomic_fetch_add_8(&x, y, 0);
6001 #else
6002   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
6003   __sync_lock_test_and_set(&x, y);
6004   __sync_val_compare_and_swap(&x, y, 0);
6005   __sync_fetch_and_add(&x, y);
6006 #endif
6007   return 0;
6008 }
6009 EOF
6010 if compile_prog "" "" ; then
6011   atomic64=yes
6012 fi
6013
6014 #########################################
6015 # See if --dynamic-list is supported by the linker
6016 ld_dynamic_list="no"
6017 if test "$static" = "no" ; then
6018     cat > $TMPTXT <<EOF
6019 {
6020   foo;
6021 };
6022 EOF
6023
6024     cat > $TMPC <<EOF
6025 #include <stdio.h>
6026 void foo(void);
6027
6028 void foo(void)
6029 {
6030   printf("foo\n");
6031 }
6032
6033 int main(void)
6034 {
6035   foo();
6036   return 0;
6037 }
6038 EOF
6039
6040     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6041         ld_dynamic_list="yes"
6042     fi
6043 fi
6044
6045 #########################################
6046 # See if -exported_symbols_list is supported by the linker
6047
6048 ld_exported_symbols_list="no"
6049 if test "$static" = "no" ; then
6050     cat > $TMPTXT <<EOF
6051   _foo
6052 EOF
6053
6054     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6055         ld_exported_symbols_list="yes"
6056     fi
6057 fi
6058
6059 if  test "$plugins" = "yes" &&
6060     test "$ld_dynamic_list" = "no" &&
6061     test "$ld_exported_symbols_list" = "no" ; then
6062   error_exit \
6063       "Plugin support requires dynamic linking and specifying a set of symbols " \
6064       "that are exported to plugins. Unfortunately your linker doesn't " \
6065       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6066       "for this purpose. You can't build with --static."
6067 fi
6068
6069 ########################################
6070 # See if __attribute__((alias)) is supported.
6071 # This false for Xcode 9, but has been remedied for Xcode 10.
6072 # Unfortunately, travis uses Xcode 9 by default.
6073
6074 attralias=no
6075 cat > $TMPC << EOF
6076 int x = 1;
6077 extern const int y __attribute__((alias("x")));
6078 int main(void) { return 0; }
6079 EOF
6080 if compile_prog "" "" ; then
6081     attralias=yes
6082 fi
6083
6084 ########################################
6085 # check if getauxval is available.
6086
6087 getauxval=no
6088 cat > $TMPC << EOF
6089 #include <sys/auxv.h>
6090 int main(void) {
6091   return getauxval(AT_HWCAP) == 0;
6092 }
6093 EOF
6094 if compile_prog "" "" ; then
6095     getauxval=yes
6096 fi
6097
6098 ########################################
6099 # check if ccache is interfering with
6100 # semantic analysis of macros
6101
6102 unset CCACHE_CPP2
6103 ccache_cpp2=no
6104 cat > $TMPC << EOF
6105 static const int Z = 1;
6106 #define fn() ({ Z; })
6107 #define TAUT(X) ((X) == Z)
6108 #define PAREN(X, Y) (X == Y)
6109 #define ID(X) (X)
6110 int main(int argc, char *argv[])
6111 {
6112     int x = 0, y = 0;
6113     x = ID(x);
6114     x = fn();
6115     fn();
6116     if (PAREN(x, y)) return 0;
6117     if (TAUT(Z)) return 0;
6118     return 0;
6119 }
6120 EOF
6121
6122 if ! compile_object "-Werror"; then
6123     ccache_cpp2=yes
6124 fi
6125
6126 #################################################
6127 # clang does not support glibc + FORTIFY_SOURCE.
6128
6129 if test "$fortify_source" != "no"; then
6130   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6131     fortify_source="no";
6132   elif test -n "$cxx" && has $cxx &&
6133        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6134     fortify_source="no";
6135   else
6136     fortify_source="yes"
6137   fi
6138 fi
6139
6140 ###############################################
6141 # Check if copy_file_range is provided by glibc
6142 have_copy_file_range=no
6143 cat > $TMPC << EOF
6144 #include <unistd.h>
6145 int main(void) {
6146   copy_file_range(0, NULL, 0, NULL, 0, 0);
6147   return 0;
6148 }
6149 EOF
6150 if compile_prog "" "" ; then
6151     have_copy_file_range=yes
6152 fi
6153
6154 ##########################################
6155 # check if struct fsxattr is available via linux/fs.h
6156
6157 have_fsxattr=no
6158 cat > $TMPC << EOF
6159 #include <linux/fs.h>
6160 struct fsxattr foo;
6161 int main(void) {
6162   return 0;
6163 }
6164 EOF
6165 if compile_prog "" "" ; then
6166     have_fsxattr=yes
6167 fi
6168
6169 ##########################################
6170 # check for usable membarrier system call
6171 if test "$membarrier" = "yes"; then
6172     have_membarrier=no
6173     if test "$mingw32" = "yes" ; then
6174         have_membarrier=yes
6175     elif test "$linux" = "yes" ; then
6176         cat > $TMPC << EOF
6177     #include <linux/membarrier.h>
6178     #include <sys/syscall.h>
6179     #include <unistd.h>
6180     #include <stdlib.h>
6181     int main(void) {
6182         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6183         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6184         exit(0);
6185     }
6186 EOF
6187         if compile_prog "" "" ; then
6188             have_membarrier=yes
6189         fi
6190     fi
6191     if test "$have_membarrier" = "no"; then
6192       feature_not_found "membarrier" "membarrier system call not available"
6193     fi
6194 else
6195     # Do not enable it by default even for Mingw32, because it doesn't
6196     # work on Wine.
6197     membarrier=no
6198 fi
6199
6200 ##########################################
6201 # check if rtnetlink.h exists and is useful
6202 have_rtnetlink=no
6203 cat > $TMPC << EOF
6204 #include <linux/rtnetlink.h>
6205 int main(void) {
6206   return IFLA_PROTO_DOWN;
6207 }
6208 EOF
6209 if compile_prog "" "" ; then
6210     have_rtnetlink=yes
6211 fi
6212
6213 ##########################################
6214 # check for usable AF_VSOCK environment
6215 have_af_vsock=no
6216 cat > $TMPC << EOF
6217 #include <errno.h>
6218 #include <sys/types.h>
6219 #include <sys/socket.h>
6220 #if !defined(AF_VSOCK)
6221 # error missing AF_VSOCK flag
6222 #endif
6223 #include <linux/vm_sockets.h>
6224 int main(void) {
6225     int sock, ret;
6226     struct sockaddr_vm svm;
6227     socklen_t len = sizeof(svm);
6228     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6229     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6230     if ((ret == -1) && (errno == ENOTCONN)) {
6231         return 0;
6232     }
6233     return -1;
6234 }
6235 EOF
6236 if compile_prog "" "" ; then
6237     have_af_vsock=yes
6238 fi
6239
6240 ##########################################
6241 # check for usable AF_ALG environment
6242 have_afalg=no
6243 cat > $TMPC << EOF
6244 #include <errno.h>
6245 #include <sys/types.h>
6246 #include <sys/socket.h>
6247 #include <linux/if_alg.h>
6248 int main(void) {
6249     int sock;
6250     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6251     return sock;
6252 }
6253 EOF
6254 if compile_prog "" "" ; then
6255     have_afalg=yes
6256 fi
6257 if test "$crypto_afalg" = "yes"
6258 then
6259     if test "$have_afalg" != "yes"
6260     then
6261         error_exit "AF_ALG requested but could not be detected"
6262     fi
6263 fi
6264
6265
6266 #################################################
6267 # Check to see if we have the Hypervisor framework
6268 if [ "$darwin" = "yes" ] ; then
6269   cat > $TMPC << EOF
6270 #include <Hypervisor/hv.h>
6271 int main() { return 0;}
6272 EOF
6273   if ! compile_object ""; then
6274     hvf='no'
6275   else
6276     hvf='yes'
6277     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6278   fi
6279 fi
6280
6281 #################################################
6282 # Sparc implicitly links with --relax, which is
6283 # incompatible with -r, so --no-relax should be
6284 # given. It does no harm to give it on other
6285 # platforms too.
6286
6287 # Note: the prototype is needed since QEMU_CFLAGS
6288 #       contains -Wmissing-prototypes
6289 cat > $TMPC << EOF
6290 extern int foo(void);
6291 int foo(void) { return 0; }
6292 EOF
6293 if ! compile_object ""; then
6294   error_exit "Failed to compile object file for LD_REL_FLAGS test"
6295 fi
6296 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6297   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6298     LD_REL_FLAGS=$i
6299     break
6300   fi
6301 done
6302 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6303   feature_not_found "modules" "Cannot find how to build relocatable objects"
6304 fi
6305
6306 ##########################################
6307 # check for sysmacros.h
6308
6309 have_sysmacros=no
6310 cat > $TMPC << EOF
6311 #include <sys/sysmacros.h>
6312 int main(void) {
6313     return makedev(0, 0);
6314 }
6315 EOF
6316 if compile_prog "" "" ; then
6317     have_sysmacros=yes
6318 fi
6319
6320 ##########################################
6321 # check for _Static_assert()
6322
6323 have_static_assert=no
6324 cat > $TMPC << EOF
6325 _Static_assert(1, "success");
6326 int main(void) {
6327     return 0;
6328 }
6329 EOF
6330 if compile_prog "" "" ; then
6331     have_static_assert=yes
6332 fi
6333
6334 ##########################################
6335 # check for utmpx.h, it is missing e.g. on OpenBSD
6336
6337 have_utmpx=no
6338 cat > $TMPC << EOF
6339 #include <utmpx.h>
6340 struct utmpx user_info;
6341 int main(void) {
6342     return 0;
6343 }
6344 EOF
6345 if compile_prog "" "" ; then
6346     have_utmpx=yes
6347 fi
6348
6349 ##########################################
6350 # check for getrandom()
6351
6352 have_getrandom=no
6353 cat > $TMPC << EOF
6354 #include <sys/random.h>
6355 int main(void) {
6356     return getrandom(0, 0, GRND_NONBLOCK);
6357 }
6358 EOF
6359 if compile_prog "" "" ; then
6360     have_getrandom=yes
6361 fi
6362
6363 ##########################################
6364 # checks for sanitizers
6365
6366 have_asan=no
6367 have_ubsan=no
6368 have_asan_iface_h=no
6369 have_asan_iface_fiber=no
6370
6371 if test "$sanitizers" = "yes" ; then
6372   write_c_skeleton
6373   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6374       have_asan=yes
6375   fi
6376
6377   # we could use a simple skeleton for flags checks, but this also
6378   # detect the static linking issue of ubsan, see also:
6379   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6380   cat > $TMPC << EOF
6381 #include <stdlib.h>
6382 int main(void) {
6383     void *tmp = malloc(10);
6384     if (tmp != NULL) {
6385         return *(int *)(tmp + 2);
6386     }
6387     return 1;
6388 }
6389 EOF
6390   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6391       have_ubsan=yes
6392   fi
6393
6394   if check_include "sanitizer/asan_interface.h" ; then
6395       have_asan_iface_h=yes
6396   fi
6397
6398   cat > $TMPC << EOF
6399 #include <sanitizer/asan_interface.h>
6400 int main(void) {
6401   __sanitizer_start_switch_fiber(0, 0, 0);
6402   return 0;
6403 }
6404 EOF
6405   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6406       have_asan_iface_fiber=yes
6407   fi
6408 fi
6409
6410 ##########################################
6411 # checks for fuzzer
6412 if test "$fuzzing" = "yes" ; then
6413   write_c_fuzzer_skeleton
6414   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6415       have_fuzzer=yes
6416   fi
6417 fi
6418
6419 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6420 # keep it separate until that is not the case.
6421 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6422   error_exit "TSAN is not supported with other sanitiziers."
6423 fi
6424 have_tsan=no
6425 have_tsan_iface_fiber=no
6426 if test "$tsan" = "yes" ; then
6427   write_c_skeleton
6428   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6429       have_tsan=yes
6430   fi
6431   cat > $TMPC << EOF
6432 #include <sanitizer/tsan_interface.h>
6433 int main(void) {
6434   __tsan_create_fiber(0);
6435   return 0;
6436 }
6437 EOF
6438   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6439       have_tsan_iface_fiber=yes
6440   fi
6441 fi
6442
6443 ##########################################
6444 # check for libpmem
6445
6446 if test "$libpmem" != "no"; then
6447         if $pkg_config --exists "libpmem"; then
6448                 libpmem="yes"
6449                 libpmem_libs=$($pkg_config --libs libpmem)
6450                 libpmem_cflags=$($pkg_config --cflags libpmem)
6451                 libs_softmmu="$libs_softmmu $libpmem_libs"
6452                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6453         else
6454                 if test "$libpmem" = "yes" ; then
6455                         feature_not_found "libpmem" "Install nvml or pmdk"
6456                 fi
6457                 libpmem="no"
6458         fi
6459 fi
6460
6461 ##########################################
6462 # check for libdaxctl
6463
6464 if test "$libdaxctl" != "no"; then
6465         if $pkg_config --atleast-version=57 "libdaxctl"; then
6466                 libdaxctl="yes"
6467                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6468                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6469                 libs_softmmu="$libs_softmmu $libdaxctl_libs"
6470                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6471         else
6472                 if test "$libdaxctl" = "yes" ; then
6473                         feature_not_found "libdaxctl" "Install libdaxctl"
6474                 fi
6475                 libdaxctl="no"
6476         fi
6477 fi
6478
6479 ##########################################
6480 # check for slirp
6481
6482 # slirp is only required when building softmmu targets
6483 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6484     slirp="no"
6485 fi
6486
6487 case "$slirp" in
6488   "" | yes)
6489     if $pkg_config slirp; then
6490       slirp=system
6491     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6492       slirp=git
6493     elif test -e "${source_path}/slirp/Makefile" ; then
6494       slirp=internal
6495     elif test -z "$slirp" ; then
6496       slirp=no
6497     else
6498       feature_not_found "slirp" "Install slirp devel or git submodule"
6499     fi
6500     ;;
6501
6502   system)
6503     if ! $pkg_config slirp; then
6504       feature_not_found "slirp" "Install slirp devel"
6505     fi
6506     ;;
6507 esac
6508
6509 case "$slirp" in
6510   git | internal)
6511     if test "$slirp" = git; then
6512       git_submodules="${git_submodules} slirp"
6513     fi
6514     mkdir -p slirp
6515     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6516     slirp_libs="-L$PWD/slirp -lslirp"
6517     if test "$mingw32" = "yes" ; then
6518       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6519     fi
6520     ;;
6521
6522   system)
6523     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6524     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6525     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6526     ;;
6527
6528   no)
6529     ;;
6530   *)
6531     error_exit "Unknown state for slirp: $slirp"
6532     ;;
6533 esac
6534
6535 ##########################################
6536 # check for usable __NR_keyctl syscall
6537
6538 if test "$linux" = "yes" ; then
6539
6540     have_keyring=no
6541     cat > $TMPC << EOF
6542 #include <errno.h>
6543 #include <asm/unistd.h>
6544 #include <linux/keyctl.h>
6545 #include <unistd.h>
6546 int main(void) {
6547     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6548 }
6549 EOF
6550     if compile_prog "" "" ; then
6551         have_keyring=yes
6552     fi
6553 fi
6554 if test "$secret_keyring" != "no"
6555 then
6556     if test "$have_keyring" = "yes"
6557     then
6558         secret_keyring=yes
6559     else
6560         if test "$secret_keyring" = "yes"
6561         then
6562             error_exit "syscall __NR_keyctl requested, \
6563 but not implemented on your system"
6564         else
6565             secret_keyring=no
6566         fi
6567     fi
6568 fi
6569
6570 ##########################################
6571 # check for usable keyutils.h
6572
6573 if test "$linux" = "yes" ; then
6574
6575     have_keyutils=no
6576     cat > $TMPC << EOF
6577 #include <errno.h>
6578 #include <asm/unistd.h>
6579 #include <unistd.h>
6580 #include <sys/types.h>
6581 #include <keyutils.h>
6582 int main(void) {
6583     return request_key("user", NULL, NULL, 0);
6584 }
6585 EOF
6586     if compile_prog "" "-lkeyutils"; then
6587         have_keyutils=yes
6588     fi
6589 fi
6590
6591
6592 ##########################################
6593 # End of CC checks
6594 # After here, no more $cc or $ld runs
6595
6596 write_c_skeleton
6597
6598 if test "$gcov" = "yes" ; then
6599   :
6600 elif test "$fortify_source" = "yes" ; then
6601   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6602   debug=no
6603 fi
6604 if test "$debug_info" = "yes"; then
6605   CFLAGS="-g $CFLAGS"
6606   LDFLAGS="-g $LDFLAGS"
6607 fi
6608 if test "$debug" = "no"; then
6609   CFLAGS="-O2 $CFLAGS"
6610 fi
6611
6612 case "$ARCH" in
6613 alpha)
6614   # Ensure there's only a single GP
6615   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6616 ;;
6617 esac
6618
6619 if test "$gprof" = "yes" ; then
6620   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6621   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6622 fi
6623
6624 if test "$have_asan" = "yes"; then
6625   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6626   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6627   if test "$have_asan_iface_h" = "no" ; then
6628       echo "ASAN build enabled, but ASAN header missing." \
6629            "Without code annotation, the report may be inferior."
6630   elif test "$have_asan_iface_fiber" = "no" ; then
6631       echo "ASAN build enabled, but ASAN header is too old." \
6632            "Without code annotation, the report may be inferior."
6633   fi
6634 fi
6635 if test "$have_tsan" = "yes" ; then
6636   if test "$have_tsan_iface_fiber" = "yes" ; then
6637     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6638     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6639   else
6640     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6641   fi
6642 elif test "$tsan" = "yes" ; then
6643   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6644 fi
6645 if test "$have_ubsan" = "yes"; then
6646   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6647   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6648 fi
6649
6650 ##########################################
6651 # Do we have libnfs
6652 if test "$libnfs" != "no" ; then
6653   if $pkg_config --atleast-version=1.9.3 libnfs; then
6654     libnfs="yes"
6655     libnfs_libs=$($pkg_config --libs libnfs)
6656   else
6657     if test "$libnfs" = "yes" ; then
6658       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6659     fi
6660     libnfs="no"
6661   fi
6662 fi
6663
6664 ##########################################
6665 # Do we have libudev
6666 if test "$libudev" != "no" ; then
6667   if $pkg_config libudev && test "$static" != "yes"; then
6668     libudev="yes"
6669     libudev_libs=$($pkg_config --libs libudev)
6670   else
6671     libudev="no"
6672   fi
6673 fi
6674
6675 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6676 if test "$werror" = "yes"; then
6677     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6678 fi
6679
6680 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6681 if test "$solaris" = "no" && test "$tsan" = "no"; then
6682     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6683         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6684     fi
6685 fi
6686
6687 # test if pod2man has --utf8 option
6688 if pod2man --help | grep -q utf8; then
6689     POD2MAN="pod2man --utf8"
6690 else
6691     POD2MAN="pod2man"
6692 fi
6693
6694 # Use ASLR, no-SEH and DEP if available
6695 if test "$mingw32" = "yes" ; then
6696     for flag in --dynamicbase --no-seh --nxcompat; do
6697         if ld_has $flag ; then
6698             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6699         fi
6700     done
6701 fi
6702
6703 # Disable OpenBSD W^X if available
6704 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6705     cat > $TMPC <<EOF
6706     int main(void) { return 0; }
6707 EOF
6708     wx_ldflags="-Wl,-z,wxneeded"
6709     if compile_prog "" "$wx_ldflags"; then
6710         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6711     fi
6712 fi
6713
6714 qemu_confdir=$sysconfdir$confsuffix
6715 qemu_moddir=$libdir$confsuffix
6716 qemu_datadir=$datadir$confsuffix
6717 qemu_localedir="$datadir/locale"
6718 qemu_icondir="$datadir/icons"
6719 qemu_desktopdir="$datadir/applications"
6720
6721 # We can only support ivshmem if we have eventfd
6722 if [ "$eventfd" = "yes" ]; then
6723   ivshmem=yes
6724 fi
6725
6726 if test "$softmmu" = yes ; then
6727   if test "$linux" = yes; then
6728     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6729       virtfs=yes
6730     else
6731       if test "$virtfs" = yes; then
6732         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6733       fi
6734       virtfs=no
6735     fi
6736     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6737       mpath=yes
6738     else
6739       if test "$mpath" = yes; then
6740         error_exit "Multipath requires libmpathpersist devel"
6741       fi
6742       mpath=no
6743     fi
6744   else
6745     if test "$virtfs" = yes; then
6746       error_exit "VirtFS is supported only on Linux"
6747     fi
6748     virtfs=no
6749     if test "$mpath" = yes; then
6750       error_exit "Multipath is supported only on Linux"
6751     fi
6752     mpath=no
6753   fi
6754 fi
6755
6756 # Probe for guest agent support/options
6757
6758 if [ "$guest_agent" != "no" ]; then
6759   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6760       guest_agent=no
6761   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6762       guest_agent=yes
6763   elif [ "$guest_agent" != yes ]; then
6764       guest_agent=no
6765   else
6766       error_exit "Guest agent is not supported on this platform"
6767   fi
6768 fi
6769
6770 # Guest agent Window MSI  package
6771
6772 if test "$guest_agent" != yes; then
6773   if test "$guest_agent_msi" = yes; then
6774     error_exit "MSI guest agent package requires guest agent enabled"
6775   fi
6776   guest_agent_msi=no
6777 elif test "$mingw32" != "yes"; then
6778   if test "$guest_agent_msi" = "yes"; then
6779     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6780   fi
6781   guest_agent_msi=no
6782 elif ! has wixl; then
6783   if test "$guest_agent_msi" = "yes"; then
6784     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6785   fi
6786   guest_agent_msi=no
6787 else
6788   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6789   # disabled explicitly
6790   if test "$guest_agent_msi" != "no"; then
6791     guest_agent_msi=yes
6792   fi
6793 fi
6794
6795 if test "$guest_agent_msi" = "yes"; then
6796   if test "$guest_agent_with_vss" = "yes"; then
6797     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6798   fi
6799
6800   if test "$QEMU_GA_MANUFACTURER" = ""; then
6801     QEMU_GA_MANUFACTURER=QEMU
6802   fi
6803
6804   if test "$QEMU_GA_DISTRO" = ""; then
6805     QEMU_GA_DISTRO=Linux
6806   fi
6807
6808   if test "$QEMU_GA_VERSION" = ""; then
6809       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6810   fi
6811
6812   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6813
6814   case "$cpu" in
6815   x86_64)
6816     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6817     ;;
6818   i386)
6819     QEMU_GA_MSI_ARCH="-D Arch=32"
6820     ;;
6821   *)
6822     error_exit "CPU $cpu not supported for building installation package"
6823     ;;
6824   esac
6825 fi
6826
6827 # Mac OS X ships with a broken assembler
6828 roms=
6829 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6830         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6831         test "$softmmu" = yes ; then
6832     # Different host OS linkers have different ideas about the name of the ELF
6833     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6834     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6835     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6836         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6837             ld_i386_emulation="$emu"
6838             roms="optionrom"
6839             break
6840         fi
6841     done
6842 fi
6843
6844 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6845 if test "$cpu" = "s390x" ; then
6846   write_c_skeleton
6847   if compile_prog "-march=z900" ""; then
6848     roms="$roms s390-ccw"
6849     # SLOF is required for building the s390-ccw firmware on s390x,
6850     # since it is using the libnet code from SLOF for network booting.
6851     if test -e "${source_path}/.git" ; then
6852       git_submodules="${git_submodules} roms/SLOF"
6853     fi
6854   fi
6855 fi
6856
6857 # Check that the C++ compiler exists and works with the C compiler.
6858 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6859 if has $cxx; then
6860     cat > $TMPC <<EOF
6861 int c_function(void);
6862 int main(void) { return c_function(); }
6863 EOF
6864
6865     compile_object
6866
6867     cat > $TMPCXX <<EOF
6868 extern "C" {
6869    int c_function(void);
6870 }
6871 int c_function(void) { return 42; }
6872 EOF
6873
6874     update_cxxflags
6875
6876     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6877         # C++ compiler $cxx works ok with C compiler $cc
6878         :
6879     else
6880         echo "C++ compiler $cxx does not work with C compiler $cc"
6881         echo "Disabling C++ specific optional code"
6882         cxx=
6883     fi
6884 else
6885     echo "No C++ compiler available; disabling C++ specific optional code"
6886     cxx=
6887 fi
6888
6889 echo_version() {
6890     if test "$1" = "yes" ; then
6891         echo "($2)"
6892     fi
6893 }
6894
6895 # prepend pixman and ftd flags after all config tests are done
6896 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6897 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6898 libs_softmmu="$pixman_libs $libs_softmmu"
6899
6900 config_host_mak="config-host.mak"
6901
6902 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6903
6904 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6905 echo >> $config_host_mak
6906
6907 echo all: >> $config_host_mak
6908 echo "prefix=$prefix" >> $config_host_mak
6909 echo "bindir=$bindir" >> $config_host_mak
6910 echo "libdir=$libdir" >> $config_host_mak
6911 echo "libexecdir=$libexecdir" >> $config_host_mak
6912 echo "includedir=$includedir" >> $config_host_mak
6913 echo "mandir=$mandir" >> $config_host_mak
6914 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6915 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6916 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6917 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6918 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6919 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6920 if test "$mingw32" = "no" ; then
6921   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6922 fi
6923 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6924 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6925 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6926 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6927 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6928 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6929 echo "GIT=$git" >> $config_host_mak
6930 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6931 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6932
6933 echo "ARCH=$ARCH" >> $config_host_mak
6934
6935 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6936 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6937
6938 if test "$default_devices" = "yes" ; then
6939   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6940 else
6941   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6942 fi
6943 if test "$debug_tcg" = "yes" ; then
6944   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6945 fi
6946 if test "$strip_opt" = "yes" ; then
6947   echo "STRIP=${strip}" >> $config_host_mak
6948 fi
6949 if test "$bigendian" = "yes" ; then
6950   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6951 fi
6952 if test "$mingw32" = "yes" ; then
6953   echo "CONFIG_WIN32=y" >> $config_host_mak
6954   rc_version=$(cat $source_path/VERSION)
6955   version_major=${rc_version%%.*}
6956   rc_version=${rc_version#*.}
6957   version_minor=${rc_version%%.*}
6958   rc_version=${rc_version#*.}
6959   version_subminor=${rc_version%%.*}
6960   version_micro=0
6961   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6962   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6963   if test "$guest_agent_with_vss" = "yes" ; then
6964     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6965     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6966     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6967   fi
6968   if test "$guest_agent_ntddscsi" = "yes" ; then
6969     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6970   fi
6971   if test "$guest_agent_msi" = "yes"; then
6972     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6973     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6974     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6975     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6976     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6977     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6978     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6979   fi
6980 else
6981   echo "CONFIG_POSIX=y" >> $config_host_mak
6982 fi
6983
6984 if test "$linux" = "yes" ; then
6985   echo "CONFIG_LINUX=y" >> $config_host_mak
6986 fi
6987
6988 if test "$darwin" = "yes" ; then
6989   echo "CONFIG_DARWIN=y" >> $config_host_mak
6990 fi
6991
6992 if test "$solaris" = "yes" ; then
6993   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6994 fi
6995 if test "$haiku" = "yes" ; then
6996   echo "CONFIG_HAIKU=y" >> $config_host_mak
6997 fi
6998 if test "$static" = "yes" ; then
6999   echo "CONFIG_STATIC=y" >> $config_host_mak
7000 fi
7001 if test "$profiler" = "yes" ; then
7002   echo "CONFIG_PROFILER=y" >> $config_host_mak
7003 fi
7004 if test "$want_tools" = "yes" ; then
7005   echo "CONFIG_TOOLS=y" >> $config_host_mak
7006 fi
7007 if test "$guest_agent" = "yes" ; then
7008   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
7009 fi
7010 if test "$slirp" != "no"; then
7011   echo "CONFIG_SLIRP=y" >> $config_host_mak
7012   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
7013   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
7014   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
7015 fi
7016 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
7017     echo "config-host.h: slirp/all" >> $config_host_mak
7018 fi
7019 if test "$vde" = "yes" ; then
7020   echo "CONFIG_VDE=y" >> $config_host_mak
7021   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
7022 fi
7023 if test "$netmap" = "yes" ; then
7024   echo "CONFIG_NETMAP=y" >> $config_host_mak
7025 fi
7026 if test "$l2tpv3" = "yes" ; then
7027   echo "CONFIG_L2TPV3=y" >> $config_host_mak
7028 fi
7029 if test "$gprof" = "yes" ; then
7030   echo "CONFIG_GPROF=y" >> $config_host_mak
7031 fi
7032 if test "$cap_ng" = "yes" ; then
7033   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
7034   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
7035 fi
7036 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
7037 for drv in $audio_drv_list; do
7038     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
7039     case "$drv" in
7040         alsa | oss | pa | sdl)
7041             echo "$def=m" >> $config_host_mak ;;
7042         *)
7043             echo "$def=y" >> $config_host_mak ;;
7044     esac
7045 done
7046 if test "$alsa" = "yes" ; then
7047     echo "CONFIG_ALSA=y" >> $config_host_mak
7048 fi
7049 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
7050 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
7051 if test "$libpulse" = "yes" ; then
7052     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
7053 fi
7054 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
7055 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
7056 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7057 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7058 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7059 if test "$libjack" = "yes" ; then
7060     echo "CONFIG_LIBJACK=y" >> $config_host_mak
7061 fi
7062 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7063 if test "$audio_win_int" = "yes" ; then
7064   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7065 fi
7066 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7067 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7068 if test "$vnc" = "yes" ; then
7069   echo "CONFIG_VNC=y" >> $config_host_mak
7070 fi
7071 if test "$vnc_sasl" = "yes" ; then
7072   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7073 fi
7074 echo "SASL_CFLAGS=$vnc_sasl_cflags" >> $config_host_mak
7075 echo "SASL_LIBS=$vnc_sasl_libs" >> $config_host_mak
7076 if test "$vnc_jpeg" = "yes" ; then
7077   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7078 fi
7079 echo "JPEG_CFLAGS=$vnc_jpeg_cflags" >> $config_host_mak
7080 echo "JPEG_LIBS=$vnc_jpeg_libs" >> $config_host_mak
7081 if test "$vnc_png" = "yes" ; then
7082   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7083 fi
7084 echo "PNG_CFLAGS=$vnc_png_cflags" >> $config_host_mak
7085 echo "PNG_LIBS=$vnc_png_libs" >> $config_host_mak
7086 if test "$xkbcommon" = "yes" ; then
7087   echo "CONFIG_XKBCOMMON=y" >> $config_host_mak
7088   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7089   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7090 fi
7091 if test "$xfs" = "yes" ; then
7092   echo "CONFIG_XFS=y" >> $config_host_mak
7093 fi
7094 qemu_version=$(head $source_path/VERSION)
7095 echo "VERSION=$qemu_version" >>$config_host_mak
7096 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7097 echo "SRC_PATH=$source_path" >> $config_host_mak
7098 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7099 if [ "$docs" = "yes" ] ; then
7100   echo "BUILD_DOCS=yes" >> $config_host_mak
7101 fi
7102 if test "$modules" = "yes"; then
7103   # $shacmd can generate a hash started with digit, which the compiler doesn't
7104   # like as an symbol. So prefix it with an underscore
7105   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7106   echo "CONFIG_MODULES=y" >> $config_host_mak
7107 fi
7108 if test "$module_upgrades" = "yes"; then
7109   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7110 fi
7111 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7112   echo "CONFIG_X11=y" >> $config_host_mak
7113   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7114   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7115 fi
7116 if test "$sdl" = "yes" ; then
7117   echo "CONFIG_SDL=m" >> $config_host_mak
7118   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7119   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7120   if test "$sdl_image" = "yes" ; then
7121       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7122   fi
7123 fi
7124 if test "$cocoa" = "yes" ; then
7125   echo "CONFIG_COCOA=y" >> $config_host_mak
7126 fi
7127 if test "$iconv" = "yes" ; then
7128   echo "CONFIG_ICONV=y" >> $config_host_mak
7129   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7130   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7131 fi
7132 if test "$curses" = "yes" ; then
7133   echo "CONFIG_CURSES=m" >> $config_host_mak
7134   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7135   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7136 fi
7137 if test "$pipe2" = "yes" ; then
7138   echo "CONFIG_PIPE2=y" >> $config_host_mak
7139 fi
7140 if test "$accept4" = "yes" ; then
7141   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7142 fi
7143 if test "$splice" = "yes" ; then
7144   echo "CONFIG_SPLICE=y" >> $config_host_mak
7145 fi
7146 if test "$eventfd" = "yes" ; then
7147   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7148 fi
7149 if test "$memfd" = "yes" ; then
7150   echo "CONFIG_MEMFD=y" >> $config_host_mak
7151 fi
7152 if test "$have_usbfs" = "yes" ; then
7153   echo "CONFIG_USBFS=y" >> $config_host_mak
7154 fi
7155 if test "$fallocate" = "yes" ; then
7156   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7157 fi
7158 if test "$fallocate_punch_hole" = "yes" ; then
7159   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7160 fi
7161 if test "$fallocate_zero_range" = "yes" ; then
7162   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7163 fi
7164 if test "$posix_fallocate" = "yes" ; then
7165   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7166 fi
7167 if test "$sync_file_range" = "yes" ; then
7168   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7169 fi
7170 if test "$fiemap" = "yes" ; then
7171   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7172 fi
7173 if test "$dup3" = "yes" ; then
7174   echo "CONFIG_DUP3=y" >> $config_host_mak
7175 fi
7176 if test "$ppoll" = "yes" ; then
7177   echo "CONFIG_PPOLL=y" >> $config_host_mak
7178 fi
7179 if test "$prctl_pr_set_timerslack" = "yes" ; then
7180   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7181 fi
7182 if test "$epoll" = "yes" ; then
7183   echo "CONFIG_EPOLL=y" >> $config_host_mak
7184 fi
7185 if test "$epoll_create1" = "yes" ; then
7186   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7187 fi
7188 if test "$sendfile" = "yes" ; then
7189   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7190 fi
7191 if test "$timerfd" = "yes" ; then
7192   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7193 fi
7194 if test "$setns" = "yes" ; then
7195   echo "CONFIG_SETNS=y" >> $config_host_mak
7196 fi
7197 if test "$clock_adjtime" = "yes" ; then
7198   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7199 fi
7200 if test "$syncfs" = "yes" ; then
7201   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7202 fi
7203 if test "$kcov" = "yes" ; then
7204   echo "CONFIG_KCOV=y" >> $config_host_mak
7205 fi
7206 if test "$inotify" = "yes" ; then
7207   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7208 fi
7209 if test "$inotify1" = "yes" ; then
7210   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7211 fi
7212 if test "$sem_timedwait" = "yes" ; then
7213   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7214 fi
7215 if test "$strchrnul" = "yes" ; then
7216   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7217 fi
7218 if test "$st_atim" = "yes" ; then
7219   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7220 fi
7221 if test "$byteswap_h" = "yes" ; then
7222   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7223 fi
7224 if test "$bswap_h" = "yes" ; then
7225   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7226 fi
7227 if test "$curl" = "yes" ; then
7228   echo "CONFIG_CURL=m" >> $config_host_mak
7229   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7230   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7231 fi
7232 if test "$brlapi" = "yes" ; then
7233   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7234   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7235 fi
7236 if test "$gtk" = "yes" ; then
7237   echo "CONFIG_GTK=m" >> $config_host_mak
7238   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7239   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7240   if test "$gtk_gl" = "yes" ; then
7241     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7242   fi
7243 fi
7244 if test "$gio" = "yes" ; then
7245     echo "CONFIG_GIO=y" >> $config_host_mak
7246     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7247     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7248     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7249 fi
7250 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7251 if test "$gnutls" = "yes" ; then
7252   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7253   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7254   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7255 fi
7256 if test "$gcrypt" = "yes" ; then
7257   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7258   if test "$gcrypt_hmac" = "yes" ; then
7259     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7260   fi
7261 fi
7262 if test "$nettle" = "yes" ; then
7263   echo "CONFIG_NETTLE=y" >> $config_host_mak
7264   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7265   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7266   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7267 fi
7268 if test "$qemu_private_xts" = "yes" ; then
7269   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7270 fi
7271 if test "$tasn1" = "yes" ; then
7272   echo "CONFIG_TASN1=y" >> $config_host_mak
7273 fi
7274 if test "$auth_pam" = "yes" ; then
7275     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7276 fi
7277 if test "$have_ifaddrs_h" = "yes" ; then
7278     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7279 fi
7280 if test "$have_drm_h" = "yes" ; then
7281   echo "HAVE_DRM_H=y" >> $config_host_mak
7282 fi
7283 if test "$have_broken_size_max" = "yes" ; then
7284     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7285 fi
7286 if test "$have_openpty" = "yes" ; then
7287     echo "HAVE_OPENPTY=y" >> $config_host_mak
7288 fi
7289 if test "$have_sys_signal_h" = "yes" ; then
7290     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7291 fi
7292
7293 # Work around a system header bug with some kernel/XFS header
7294 # versions where they both try to define 'struct fsxattr':
7295 # xfs headers will not try to redefine structs from linux headers
7296 # if this macro is set.
7297 if test "$have_fsxattr" = "yes" ; then
7298     echo "HAVE_FSXATTR=y" >> $config_host_mak
7299 fi
7300 if test "$have_copy_file_range" = "yes" ; then
7301     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7302 fi
7303 if test "$vte" = "yes" ; then
7304   echo "CONFIG_VTE=y" >> $config_host_mak
7305   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7306   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7307 fi
7308 if test "$virglrenderer" = "yes" ; then
7309   echo "CONFIG_VIRGL=y" >> $config_host_mak
7310   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7311   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7312 fi
7313 if test "$xen" = "yes" ; then
7314   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7315   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7316 fi
7317 if test "$linux_aio" = "yes" ; then
7318   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7319 fi
7320 if test "$linux_io_uring" = "yes" ; then
7321   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7322   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7323   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7324 fi
7325 if test "$attr" = "yes" ; then
7326   echo "CONFIG_ATTR=y" >> $config_host_mak
7327   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7328 fi
7329 if test "$libattr" = "yes" ; then
7330   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7331 fi
7332 if test "$virtfs" = "yes" ; then
7333   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7334 fi
7335 if test "$mpath" = "yes" ; then
7336   echo "CONFIG_MPATH=y" >> $config_host_mak
7337   if test "$mpathpersist_new_api" = "yes"; then
7338     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7339   fi
7340 fi
7341 if test "$vhost_scsi" = "yes" ; then
7342   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7343 fi
7344 if test "$vhost_net" = "yes" ; then
7345   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7346 fi
7347 if test "$vhost_net_user" = "yes" ; then
7348   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7349 fi
7350 if test "$vhost_net_vdpa" = "yes" ; then
7351   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7352 fi
7353 if test "$vhost_crypto" = "yes" ; then
7354   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7355 fi
7356 if test "$vhost_vsock" = "yes" ; then
7357   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7358   if test "$vhost_user" = "yes" ; then
7359     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7360   fi
7361 fi
7362 if test "$vhost_kernel" = "yes" ; then
7363   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7364 fi
7365 if test "$vhost_user" = "yes" ; then
7366   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7367 fi
7368 if test "$vhost_vdpa" = "yes" ; then
7369   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7370 fi
7371 if test "$vhost_user_fs" = "yes" ; then
7372   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7373 fi
7374 if test "$blobs" = "yes" ; then
7375   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7376 fi
7377 if test "$iovec" = "yes" ; then
7378   echo "CONFIG_IOVEC=y" >> $config_host_mak
7379 fi
7380 if test "$preadv" = "yes" ; then
7381   echo "CONFIG_PREADV=y" >> $config_host_mak
7382 fi
7383 if test "$fdt" != "no" ; then
7384   echo "CONFIG_FDT=y" >> $config_host_mak
7385   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7386   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7387 fi
7388 if test "$membarrier" = "yes" ; then
7389   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7390 fi
7391 if test "$signalfd" = "yes" ; then
7392   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7393 fi
7394 if test "$optreset" = "yes" ; then
7395   echo "HAVE_OPTRESET=y" >> $config_host_mak
7396 fi
7397 if test "$tcg" = "yes"; then
7398   echo "CONFIG_TCG=y" >> $config_host_mak
7399   if test "$tcg_interpreter" = "yes" ; then
7400     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7401   fi
7402 fi
7403 if test "$fdatasync" = "yes" ; then
7404   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7405 fi
7406 if test "$madvise" = "yes" ; then
7407   echo "CONFIG_MADVISE=y" >> $config_host_mak
7408 fi
7409 if test "$posix_madvise" = "yes" ; then
7410   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7411 fi
7412 if test "$posix_memalign" = "yes" ; then
7413   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7414 fi
7415 if test "$zlib" != "no" ; then
7416     echo "CONFIG_ZLIB=y" >> $config_host_mak
7417     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7418     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7419 fi
7420 if test "$spice" = "yes" ; then
7421   echo "CONFIG_SPICE=y" >> $config_host_mak
7422   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7423   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7424 fi
7425
7426 if test "$smartcard" = "yes" ; then
7427   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7428   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7429   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7430 fi
7431
7432 if test "$libusb" = "yes" ; then
7433   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7434   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7435   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7436 fi
7437
7438 if test "$usb_redir" = "yes" ; then
7439   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7440   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7441   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7442 fi
7443
7444 if test "$opengl" = "yes" ; then
7445   echo "CONFIG_OPENGL=y" >> $config_host_mak
7446   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7447   if test "$opengl_dmabuf" = "yes" ; then
7448     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7449   fi
7450 fi
7451
7452 if test "$gbm" = "yes" ; then
7453     echo "CONFIG_GBM=y" >> $config_host_mak
7454     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7455     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7456 fi
7457
7458
7459 if test "$malloc_trim" = "yes" ; then
7460   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7461 fi
7462
7463 if test "$avx2_opt" = "yes" ; then
7464   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7465 fi
7466
7467 if test "$avx512f_opt" = "yes" ; then
7468   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7469 fi
7470
7471 if test "$lzo" = "yes" ; then
7472   echo "CONFIG_LZO=y" >> $config_host_mak
7473   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7474 fi
7475
7476 if test "$snappy" = "yes" ; then
7477   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7478   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7479 fi
7480
7481 if test "$bzip2" = "yes" ; then
7482   echo "CONFIG_BZIP2=y" >> $config_host_mak
7483   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7484 fi
7485
7486 if test "$lzfse" = "yes" ; then
7487   echo "CONFIG_LZFSE=y" >> $config_host_mak
7488   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7489 fi
7490
7491 if test "$zstd" = "yes" ; then
7492   echo "CONFIG_ZSTD=y" >> $config_host_mak
7493   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7494   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7495 fi
7496
7497 if test "$libiscsi" = "yes" ; then
7498   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7499   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7500   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7501 fi
7502
7503 if test "$libnfs" = "yes" ; then
7504   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7505   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7506 fi
7507
7508 if test "$seccomp" = "yes"; then
7509   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7510   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7511   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7512 fi
7513
7514 # XXX: suppress that
7515 if [ "$bsd" = "yes" ] ; then
7516   echo "CONFIG_BSD=y" >> $config_host_mak
7517 fi
7518
7519 if test "$localtime_r" = "yes" ; then
7520   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7521 fi
7522 if test "$qom_cast_debug" = "yes" ; then
7523   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7524 fi
7525 if test "$rbd" = "yes" ; then
7526   echo "CONFIG_RBD=m" >> $config_host_mak
7527   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7528 fi
7529
7530 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7531 if test "$coroutine_pool" = "yes" ; then
7532   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7533 else
7534   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7535 fi
7536
7537 if test "$debug_stack_usage" = "yes" ; then
7538   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7539 fi
7540
7541 if test "$crypto_afalg" = "yes" ; then
7542   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7543 fi
7544
7545 if test "$open_by_handle_at" = "yes" ; then
7546   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7547 fi
7548
7549 if test "$linux_magic_h" = "yes" ; then
7550   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7551 fi
7552
7553 if test "$valgrind_h" = "yes" ; then
7554   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7555 fi
7556
7557 if test "$have_asan_iface_fiber" = "yes" ; then
7558     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7559 fi
7560
7561 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7562     echo "CONFIG_TSAN=y" >> $config_host_mak
7563 fi
7564
7565 if test "$has_environ" = "yes" ; then
7566   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7567 fi
7568
7569 if test "$cpuid_h" = "yes" ; then
7570   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7571 fi
7572
7573 if test "$int128" = "yes" ; then
7574   echo "CONFIG_INT128=y" >> $config_host_mak
7575 fi
7576
7577 if test "$atomic128" = "yes" ; then
7578   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7579 fi
7580
7581 if test "$cmpxchg128" = "yes" ; then
7582   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7583 fi
7584
7585 if test "$atomic64" = "yes" ; then
7586   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7587 fi
7588
7589 if test "$attralias" = "yes" ; then
7590   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7591 fi
7592
7593 if test "$getauxval" = "yes" ; then
7594   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7595 fi
7596
7597 if test "$glusterfs" = "yes" ; then
7598   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7599   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7600   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7601 fi
7602
7603 if test "$glusterfs_xlator_opt" = "yes" ; then
7604   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7605 fi
7606
7607 if test "$glusterfs_discard" = "yes" ; then
7608   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7609 fi
7610
7611 if test "$glusterfs_fallocate" = "yes" ; then
7612   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7613 fi
7614
7615 if test "$glusterfs_zerofill" = "yes" ; then
7616   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7617 fi
7618
7619 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7620   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7621 fi
7622
7623 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7624   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7625 fi
7626
7627 if test "$libssh" = "yes" ; then
7628   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7629   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7630   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7631 fi
7632
7633 if test "$live_block_migration" = "yes" ; then
7634   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7635 fi
7636
7637 if test "$tpm" = "yes"; then
7638   echo 'CONFIG_TPM=y' >> $config_host_mak
7639 fi
7640
7641 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7642 if have_backend "nop"; then
7643   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7644 fi
7645 if have_backend "simple"; then
7646   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7647   # Set the appropriate trace file.
7648   trace_file="\"$trace_file-\" FMT_pid"
7649 fi
7650 if have_backend "log"; then
7651   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7652 fi
7653 if have_backend "ust"; then
7654   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7655   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7656   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7657 fi
7658 if have_backend "dtrace"; then
7659   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7660   if test "$trace_backend_stap" = "yes" ; then
7661     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7662   fi
7663 fi
7664 if have_backend "ftrace"; then
7665   if test "$linux" = "yes" ; then
7666     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7667   else
7668     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7669   fi
7670 fi
7671 if have_backend "syslog"; then
7672   if test "$posix_syslog" = "yes" ; then
7673     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7674   else
7675     feature_not_found "syslog(trace backend)" "syslog not available"
7676   fi
7677 fi
7678 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7679
7680 if test "$rdma" = "yes" ; then
7681   echo "CONFIG_RDMA=y" >> $config_host_mak
7682   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7683 fi
7684
7685 if test "$pvrdma" = "yes" ; then
7686   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7687 fi
7688
7689 if test "$have_rtnetlink" = "yes" ; then
7690   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7691 fi
7692
7693 if test "$libxml2" = "yes" ; then
7694   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7695   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7696   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7697 fi
7698
7699 if test "$replication" = "yes" ; then
7700   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7701 fi
7702
7703 if test "$have_af_vsock" = "yes" ; then
7704   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7705 fi
7706
7707 if test "$have_sysmacros" = "yes" ; then
7708   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7709 fi
7710
7711 if test "$have_static_assert" = "yes" ; then
7712   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7713 fi
7714
7715 if test "$have_utmpx" = "yes" ; then
7716   echo "HAVE_UTMPX=y" >> $config_host_mak
7717 fi
7718 if test "$have_getrandom" = "yes" ; then
7719   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7720 fi
7721 if test "$ivshmem" = "yes" ; then
7722   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7723 fi
7724 if test "$capstone" != "no" ; then
7725   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7726 fi
7727 if test "$debug_mutex" = "yes" ; then
7728   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7729 fi
7730
7731 # Hold two types of flag:
7732 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7733 #                                     a thread we have a handle to
7734 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7735 #                                     platform
7736 if test "$pthread_setname_np_w_tid" = "yes" ; then
7737   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7738   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7739 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7740   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7741   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7742 fi
7743
7744 if test "$libpmem" = "yes" ; then
7745   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7746 fi
7747
7748 if test "$libdaxctl" = "yes" ; then
7749   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7750 fi
7751
7752 if test "$bochs" = "yes" ; then
7753   echo "CONFIG_BOCHS=y" >> $config_host_mak
7754 fi
7755 if test "$cloop" = "yes" ; then
7756   echo "CONFIG_CLOOP=y" >> $config_host_mak
7757 fi
7758 if test "$dmg" = "yes" ; then
7759   echo "CONFIG_DMG=y" >> $config_host_mak
7760 fi
7761 if test "$qcow1" = "yes" ; then
7762   echo "CONFIG_QCOW1=y" >> $config_host_mak
7763 fi
7764 if test "$vdi" = "yes" ; then
7765   echo "CONFIG_VDI=y" >> $config_host_mak
7766 fi
7767 if test "$vvfat" = "yes" ; then
7768   echo "CONFIG_VVFAT=y" >> $config_host_mak
7769 fi
7770 if test "$qed" = "yes" ; then
7771   echo "CONFIG_QED=y" >> $config_host_mak
7772 fi
7773 if test "$parallels" = "yes" ; then
7774   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7775 fi
7776 if test "$sheepdog" = "yes" ; then
7777   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7778 fi
7779 if test "$pty_h" = "yes" ; then
7780   echo "HAVE_PTY_H=y" >> $config_host_mak
7781 fi
7782 if test "$have_mlockall" = "yes" ; then
7783   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7784 fi
7785 if test "$fuzzing" = "yes" ; then
7786   if test "$have_fuzzer" = "yes"; then
7787     FUZZ_LDFLAGS=" -fsanitize=fuzzer"
7788     FUZZ_CFLAGS=" -fsanitize=fuzzer"
7789     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7790   else
7791     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
7792     exit 1
7793   fi
7794 fi
7795
7796 if test "$plugins" = "yes" ; then
7797     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7798     LIBS="-ldl $LIBS"
7799     # Copy the export object list to the build dir
7800     if test "$ld_dynamic_list" = "yes" ; then
7801         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7802         ld_symbols=qemu-plugins-ld.symbols
7803         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7804     elif test "$ld_exported_symbols_list" = "yes" ; then
7805         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7806         ld64_symbols=qemu-plugins-ld64.symbols
7807         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7808         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7809             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7810     else
7811         error_exit \
7812             "If \$plugins=yes, either \$ld_dynamic_list or " \
7813             "\$ld_exported_symbols_list should have been set to 'yes'."
7814     fi
7815 fi
7816
7817 if test -n "$gdb_bin" ; then
7818     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7819 fi
7820
7821 if test "$secret_keyring" = "yes" ; then
7822   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7823   if test "$have_keyutils" = "yes" ; then
7824     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7825   fi
7826 fi
7827
7828 if test "$tcg_interpreter" = "yes"; then
7829   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7830 elif test "$ARCH" = "sparc64" ; then
7831   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7832 elif test "$ARCH" = "s390x" ; then
7833   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7834 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7835   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7836 elif test "$ARCH" = "ppc64" ; then
7837   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7838 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7839   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7840 else
7841   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7842 fi
7843
7844 echo "ROMS=$roms" >> $config_host_mak
7845 echo "MAKE=$make" >> $config_host_mak
7846 echo "INSTALL=$install" >> $config_host_mak
7847 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7848 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7849 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7850 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7851 echo "PYTHON=$python" >> $config_host_mak
7852 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7853 echo "SPHINX_WERROR=$sphinx_werror" >> $config_host_mak
7854 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7855 echo "MESON=$meson" >> $config_host_mak
7856 echo "CC=$cc" >> $config_host_mak
7857 if $iasl -h > /dev/null 2>&1; then
7858   echo "IASL=$iasl" >> $config_host_mak
7859 fi
7860 echo "CXX=$cxx" >> $config_host_mak
7861 echo "OBJCC=$objcc" >> $config_host_mak
7862 echo "AR=$ar" >> $config_host_mak
7863 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7864 echo "AS=$as" >> $config_host_mak
7865 echo "CCAS=$ccas" >> $config_host_mak
7866 echo "CPP=$cpp" >> $config_host_mak
7867 echo "OBJCOPY=$objcopy" >> $config_host_mak
7868 echo "LD=$ld" >> $config_host_mak
7869 echo "RANLIB=$ranlib" >> $config_host_mak
7870 echo "NM=$nm" >> $config_host_mak
7871 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7872 echo "WINDRES=$windres" >> $config_host_mak
7873 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7874 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7875 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7876 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7877 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7878 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7879 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7880 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7881 if test "$sparse" = "yes" ; then
7882   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7883 fi
7884 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7885 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7886 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7887 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7888 echo "LIBS+=$LIBS" >> $config_host_mak
7889 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7890 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7891 echo "EXESUF=$EXESUF" >> $config_host_mak
7892 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7893 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7894 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7895 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7896 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7897 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7898 if test "$gcov" = "yes" ; then
7899   echo "CONFIG_GCOV=y" >> $config_host_mak
7900 fi
7901
7902 if test "$libudev" != "no"; then
7903     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7904     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7905 fi
7906 if test "$fuzzing" != "no"; then
7907     echo "CONFIG_FUZZ=y" >> $config_host_mak
7908     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7909     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7910 fi
7911
7912 if test "$edk2_blobs" = "yes" ; then
7913   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7914 fi
7915
7916 if test "$rng_none" = "yes"; then
7917   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7918 fi
7919
7920 # use included Linux headers
7921 if test "$linux" = "yes" ; then
7922   mkdir -p linux-headers
7923   case "$cpu" in
7924   i386|x86_64|x32)
7925     linux_arch=x86
7926     ;;
7927   ppc|ppc64|ppc64le)
7928     linux_arch=powerpc
7929     ;;
7930   s390x)
7931     linux_arch=s390
7932     ;;
7933   aarch64)
7934     linux_arch=arm64
7935     ;;
7936   mips64)
7937     linux_arch=mips
7938     ;;
7939   *)
7940     # For most CPUs the kernel architecture name and QEMU CPU name match.
7941     linux_arch="$cpu"
7942     ;;
7943   esac
7944     # For non-KVM architectures we will not have asm headers
7945     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7946       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7947     fi
7948 fi
7949
7950 for target in $target_list; do
7951 target_dir="$target"
7952 config_target_mak=$target_dir/config-target.mak
7953 target_name=$(echo $target | cut -d '-' -f 1)
7954 target_aligned_only="no"
7955 case "$target_name" in
7956   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7957   target_aligned_only="yes"
7958   ;;
7959 esac
7960 target_bigendian="no"
7961 case "$target_name" in
7962   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7963   target_bigendian="yes"
7964   ;;
7965 esac
7966 target_softmmu="no"
7967 target_user_only="no"
7968 target_linux_user="no"
7969 target_bsd_user="no"
7970 case "$target" in
7971   ${target_name}-softmmu)
7972     target_softmmu="yes"
7973     ;;
7974   ${target_name}-linux-user)
7975     target_user_only="yes"
7976     target_linux_user="yes"
7977     ;;
7978   ${target_name}-bsd-user)
7979     target_user_only="yes"
7980     target_bsd_user="yes"
7981     ;;
7982   *)
7983     error_exit "Target '$target' not recognised"
7984     exit 1
7985     ;;
7986 esac
7987
7988 mkdir -p $target_dir
7989 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7990
7991 bflt="no"
7992 mttcg="no"
7993 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7994 gdb_xml_files=""
7995
7996 TARGET_ARCH="$target_name"
7997 TARGET_BASE_ARCH=""
7998 TARGET_ABI_DIR=""
7999
8000 case "$target_name" in
8001   i386)
8002     mttcg="yes"
8003         gdb_xml_files="i386-32bit.xml"
8004     TARGET_SYSTBL_ABI=i386
8005   ;;
8006   x86_64)
8007     TARGET_BASE_ARCH=i386
8008     TARGET_SYSTBL_ABI=common,64
8009     mttcg="yes"
8010         gdb_xml_files="i386-64bit.xml"
8011   ;;
8012   alpha)
8013     mttcg="yes"
8014     TARGET_SYSTBL_ABI=common
8015   ;;
8016   arm|armeb)
8017     TARGET_ARCH=arm
8018     TARGET_SYSTBL_ABI=common,oabi
8019     bflt="yes"
8020     mttcg="yes"
8021     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
8022   ;;
8023   aarch64|aarch64_be)
8024     TARGET_ARCH=aarch64
8025     TARGET_BASE_ARCH=arm
8026     bflt="yes"
8027     mttcg="yes"
8028     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"
8029   ;;
8030   avr)
8031     gdb_xml_files="avr-cpu.xml"
8032     target_compiler=$cross_cc_avr
8033   ;;
8034   cris)
8035   ;;
8036   hppa)
8037     mttcg="yes"
8038     TARGET_SYSTBL_ABI=common,32
8039   ;;
8040   lm32)
8041   ;;
8042   m68k)
8043     bflt="yes"
8044     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
8045     TARGET_SYSTBL_ABI=common
8046   ;;
8047   microblaze|microblazeel)
8048     TARGET_ARCH=microblaze
8049     TARGET_SYSTBL_ABI=common
8050     bflt="yes"
8051     echo "TARGET_ABI32=y" >> $config_target_mak
8052   ;;
8053   mips|mipsel)
8054     mttcg="yes"
8055     TARGET_ARCH=mips
8056     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8057     TARGET_SYSTBL_ABI=o32
8058   ;;
8059   mipsn32|mipsn32el)
8060     mttcg="yes"
8061     TARGET_ARCH=mips64
8062     TARGET_BASE_ARCH=mips
8063     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8064     echo "TARGET_ABI32=y" >> $config_target_mak
8065     TARGET_SYSTBL_ABI=n32
8066   ;;
8067   mips64|mips64el)
8068     mttcg="no"
8069     TARGET_ARCH=mips64
8070     TARGET_BASE_ARCH=mips
8071     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8072     TARGET_SYSTBL_ABI=n64
8073   ;;
8074   moxie)
8075   ;;
8076   nios2)
8077   ;;
8078   or1k)
8079     TARGET_ARCH=openrisc
8080     TARGET_BASE_ARCH=openrisc
8081   ;;
8082   ppc)
8083     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8084     TARGET_SYSTBL_ABI=common,nospu,32
8085   ;;
8086   ppc64)
8087     TARGET_BASE_ARCH=ppc
8088     TARGET_ABI_DIR=ppc
8089     TARGET_SYSTBL_ABI=common,nospu,64
8090     mttcg=yes
8091     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8092   ;;
8093   ppc64le)
8094     TARGET_ARCH=ppc64
8095     TARGET_BASE_ARCH=ppc
8096     TARGET_ABI_DIR=ppc
8097     TARGET_SYSTBL_ABI=common,nospu,64
8098     mttcg=yes
8099     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8100   ;;
8101   ppc64abi32)
8102     TARGET_ARCH=ppc64
8103     TARGET_BASE_ARCH=ppc
8104     TARGET_ABI_DIR=ppc
8105     TARGET_SYSTBL_ABI=common,nospu,32
8106     echo "TARGET_ABI32=y" >> $config_target_mak
8107     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8108   ;;
8109   riscv32)
8110     TARGET_BASE_ARCH=riscv
8111     TARGET_ABI_DIR=riscv
8112     mttcg=yes
8113     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8114   ;;
8115   riscv64)
8116     TARGET_BASE_ARCH=riscv
8117     TARGET_ABI_DIR=riscv
8118     mttcg=yes
8119     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8120   ;;
8121   rx)
8122     TARGET_ARCH=rx
8123     bflt="yes"
8124     target_compiler=$cross_cc_rx
8125     gdb_xml_files="rx-core.xml"
8126   ;;
8127   sh4|sh4eb)
8128     TARGET_ARCH=sh4
8129     TARGET_SYSTBL_ABI=common
8130     bflt="yes"
8131   ;;
8132   sparc)
8133     TARGET_SYSTBL_ABI=common,32
8134   ;;
8135   sparc64)
8136     TARGET_BASE_ARCH=sparc
8137     TARGET_SYSTBL_ABI=common,64
8138   ;;
8139   sparc32plus)
8140     TARGET_ARCH=sparc64
8141     TARGET_BASE_ARCH=sparc
8142     TARGET_ABI_DIR=sparc
8143     TARGET_SYSTBL_ABI=common,32
8144     echo "TARGET_ABI32=y" >> $config_target_mak
8145   ;;
8146   s390x)
8147     TARGET_SYSTBL_ABI=common,64
8148     mttcg=yes
8149     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8150   ;;
8151   tilegx)
8152   ;;
8153   tricore)
8154   ;;
8155   unicore32)
8156   ;;
8157   xtensa|xtensaeb)
8158     TARGET_ARCH=xtensa
8159     TARGET_SYSTBL_ABI=common
8160     bflt="yes"
8161     mttcg="yes"
8162   ;;
8163   *)
8164     error_exit "Unsupported target CPU"
8165   ;;
8166 esac
8167 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8168 if [ "$TARGET_BASE_ARCH" = "" ]; then
8169   TARGET_BASE_ARCH=$TARGET_ARCH
8170 fi
8171
8172 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
8173
8174 upper() {
8175     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8176 }
8177
8178 target_arch_name="$(upper $TARGET_ARCH)"
8179 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8180 echo "TARGET_NAME=$target_name" >> $config_target_mak
8181 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8182 if [ "$TARGET_ABI_DIR" = "" ]; then
8183   TARGET_ABI_DIR=$TARGET_ARCH
8184 fi
8185 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8186 if [ "$HOST_VARIANT_DIR" != "" ]; then
8187     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8188 fi
8189 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8190     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8191 fi
8192
8193 if supported_xen_target $target; then
8194     echo "CONFIG_XEN=y" >> $config_target_mak
8195     if test "$xen_pci_passthrough" = yes; then
8196         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8197     fi
8198 fi
8199 if supported_kvm_target $target; then
8200     echo "CONFIG_KVM=y" >> $config_target_mak
8201 fi
8202 if supported_hax_target $target; then
8203     echo "CONFIG_HAX=y" >> $config_target_mak
8204 fi
8205 if supported_hvf_target $target; then
8206     echo "CONFIG_HVF=y" >> $config_target_mak
8207 fi
8208 if supported_whpx_target $target; then
8209     echo "CONFIG_WHPX=y" >> $config_target_mak
8210 fi
8211 if test "$target_aligned_only" = "yes" ; then
8212   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8213 fi
8214 if test "$target_bigendian" = "yes" ; then
8215   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8216 fi
8217 if test "$target_softmmu" = "yes" ; then
8218   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8219   if test "$mttcg" = "yes" ; then
8220     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8221   fi
8222 fi
8223 if test "$target_user_only" = "yes" ; then
8224   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8225   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8226 fi
8227 if test "$target_linux_user" = "yes" ; then
8228   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8229 fi
8230 list=""
8231 if test ! -z "$gdb_xml_files" ; then
8232   for x in $gdb_xml_files; do
8233     list="$list $source_path/gdb-xml/$x"
8234   done
8235   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8236 fi
8237
8238 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8239   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8240 fi
8241 if test "$target_bsd_user" = "yes" ; then
8242   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8243 fi
8244
8245
8246 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8247
8248 cflags=""
8249 ldflags=""
8250
8251 disas_config() {
8252   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8253   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8254 }
8255
8256 for i in $ARCH $TARGET_BASE_ARCH ; do
8257   case "$i" in
8258   alpha)
8259     disas_config "ALPHA"
8260   ;;
8261   aarch64)
8262     if test -n "${cxx}"; then
8263       disas_config "ARM_A64"
8264     fi
8265   ;;
8266   arm)
8267     disas_config "ARM"
8268     if test -n "${cxx}"; then
8269       disas_config "ARM_A64"
8270     fi
8271   ;;
8272   avr)
8273     disas_config "AVR"
8274   ;;
8275   cris)
8276     disas_config "CRIS"
8277   ;;
8278   hppa)
8279     disas_config "HPPA"
8280   ;;
8281   i386|x86_64|x32)
8282     disas_config "I386"
8283   ;;
8284   lm32)
8285     disas_config "LM32"
8286   ;;
8287   m68k)
8288     disas_config "M68K"
8289   ;;
8290   microblaze*)
8291     disas_config "MICROBLAZE"
8292   ;;
8293   mips*)
8294     disas_config "MIPS"
8295     if test -n "${cxx}"; then
8296       disas_config "NANOMIPS"
8297     fi
8298   ;;
8299   moxie*)
8300     disas_config "MOXIE"
8301   ;;
8302   nios2)
8303     disas_config "NIOS2"
8304   ;;
8305   or1k)
8306     disas_config "OPENRISC"
8307   ;;
8308   ppc*)
8309     disas_config "PPC"
8310   ;;
8311   riscv*)
8312     disas_config "RISCV"
8313   ;;
8314   rx)
8315     disas_config "RX"
8316   ;;
8317   s390*)
8318     disas_config "S390"
8319   ;;
8320   sh4)
8321     disas_config "SH4"
8322   ;;
8323   sparc*)
8324     disas_config "SPARC"
8325   ;;
8326   xtensa*)
8327     disas_config "XTENSA"
8328   ;;
8329   esac
8330 done
8331 if test "$tcg_interpreter" = "yes" ; then
8332   disas_config "TCI"
8333 fi
8334
8335 # Newer kernels on s390 check for an S390_PGSTE program header and
8336 # enable the pgste page table extensions in that case. This makes
8337 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8338 # header if
8339 #  - we build on s390x
8340 #  - we build the system emulation for s390x (qemu-system-s390x)
8341 #  - KVM is enabled
8342 #  - the linker supports --s390-pgste
8343 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8344         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8345     if ld_has --s390-pgste ; then
8346         ldflags="-Wl,--s390-pgste $ldflags"
8347     fi
8348 fi
8349
8350 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8351 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8352
8353 done # for target in $targets
8354
8355 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8356 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8357
8358 if [ "$fdt" = "git" ]; then
8359   echo "config-host.h: dtc/all" >> $config_host_mak
8360 fi
8361 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8362   echo "config-host.h: capstone/all" >> $config_host_mak
8363 fi
8364 if test -n "$LIBCAPSTONE"; then
8365   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8366 fi
8367
8368 if test "$numa" = "yes"; then
8369   echo "CONFIG_NUMA=y" >> $config_host_mak
8370   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8371 fi
8372
8373 if test "$ccache_cpp2" = "yes"; then
8374   echo "export CCACHE_CPP2=y" >> $config_host_mak
8375 fi
8376
8377 if test "$safe_stack" = "yes"; then
8378   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8379 fi
8380
8381 # If we're using a separate build tree, set it up now.
8382 # DIRS are directories which we simply mkdir in the build tree;
8383 # LINKS are things to symlink back into the source tree
8384 # (these can be both files and directories).
8385 # Caution: do not add files or directories here using wildcards. This
8386 # will result in problems later if a new file matching the wildcard is
8387 # added to the source tree -- nothing will cause configure to be rerun
8388 # so the build tree will be missing the link back to the new file, and
8389 # tests might fail. Prefer to keep the relevant files in their own
8390 # directory and symlink the directory instead.
8391 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8392 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8393 DIRS="$DIRS docs docs/interop fsdev scsi"
8394 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8395 DIRS="$DIRS roms/seabios"
8396 LINKS="Makefile"
8397 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8398 LINKS="$LINKS tests/tcg/Makefile.target"
8399 LINKS="$LINKS tests/plugin/Makefile"
8400 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8401 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8402 LINKS="$LINKS roms/seabios/Makefile"
8403 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8404 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8405 LINKS="$LINKS tests/acceptance tests/data"
8406 LINKS="$LINKS tests/qemu-iotests/check"
8407 LINKS="$LINKS python"
8408 for bios_file in \
8409     $source_path/pc-bios/*.bin \
8410     $source_path/pc-bios/*.lid \
8411     $source_path/pc-bios/*.rom \
8412     $source_path/pc-bios/*.dtb \
8413     $source_path/pc-bios/*.img \
8414     $source_path/pc-bios/openbios-* \
8415     $source_path/pc-bios/u-boot.* \
8416     $source_path/pc-bios/edk2-*.fd.bz2 \
8417     $source_path/pc-bios/palcode-*
8418 do
8419     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8420 done
8421 mkdir -p $DIRS
8422 for f in $LINKS ; do
8423     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8424         symlink "$source_path/$f" "$f"
8425     fi
8426 done
8427
8428 (for i in $cross_cc_vars; do
8429   export $i
8430 done
8431 export target_list source_path use_containers
8432 $source_path/tests/tcg/configure.sh)
8433
8434 # temporary config to build submodules
8435 for rom in seabios; do
8436     config_mak=roms/$rom/config.mak
8437     echo "# Automatically generated by configure - do not modify" > $config_mak
8438     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8439     echo "AS=$as" >> $config_mak
8440     echo "CCAS=$ccas" >> $config_mak
8441     echo "CC=$cc" >> $config_mak
8442     echo "BCC=bcc" >> $config_mak
8443     echo "CPP=$cpp" >> $config_mak
8444     echo "OBJCOPY=objcopy" >> $config_mak
8445     echo "IASL=$iasl" >> $config_mak
8446     echo "LD=$ld" >> $config_mak
8447     echo "RANLIB=$ranlib" >> $config_mak
8448 done
8449
8450 # set up qemu-iotests in this build directory
8451 iotests_common_env="tests/qemu-iotests/common.env"
8452
8453 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8454 echo >> "$iotests_common_env"
8455 echo "export PYTHON='$python'" >> "$iotests_common_env"
8456
8457 if test "$skip_meson" = no; then
8458 cross="config-meson.cross.new"
8459 meson_quote() {
8460     echo "['$(echo $* | sed "s/ /','/g")']"
8461 }
8462
8463 echo "# Automatically generated by configure - do not modify" > $cross
8464 echo "[properties]" >> $cross
8465 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8466 echo "[binaries]" >> $cross
8467 echo "c = $(meson_quote $cc)" >> $cross
8468 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8469 echo "ar = $(meson_quote $ar)" >> $cross
8470 echo "nm = $(meson_quote $nm)" >> $cross
8471 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8472 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8473 echo "strip = $(meson_quote $strip)" >> $cross
8474 echo "windres = $(meson_quote $windres)" >> $cross
8475 if test -n "$cross_prefix"; then
8476     cross_arg="--cross-file config-meson.cross"
8477     # Hack: Meson expects an absolute path for the *build* machine
8478     # for the prefix, so add a slash in front of a Windows path that
8479     # includes a drive letter.
8480     #
8481     # See https://github.com/mesonbuild/meson/issues/7577.
8482     echo "[host_machine]" >> $cross
8483     if test "$mingw32" = "yes" ; then
8484         echo "system = 'windows'" >> $cross
8485         case $prefix in
8486             ?:*) pre_prefix=/ ;;
8487         esac
8488     fi
8489     case "$ARCH" in
8490         i386|x86_64)
8491             echo "cpu_family = 'x86'" >> $cross
8492             ;;
8493         ppc64le)
8494             echo "cpu_family = 'ppc64'" >> $cross
8495             ;;
8496         *)
8497             echo "cpu_family = '$ARCH'" >> $cross
8498             ;;
8499     esac
8500     echo "cpu = '$cpu'" >> $cross
8501     if test "$bigendian" = "yes" ; then
8502         echo "endian = 'big'" >> $cross
8503     else
8504         echo "endian = 'little'" >> $cross
8505     fi
8506 else
8507     cross_arg="--native-file config-meson.cross"
8508 fi
8509 mv $cross config-meson.cross
8510
8511 rm -rf meson-private meson-info meson-logs
8512 NINJA=$PWD/ninjatool $meson setup \
8513         --prefix "${pre_prefix}$prefix" \
8514         --libdir "${pre_prefix}$libdir" \
8515         --libexecdir "${pre_prefix}$libexecdir" \
8516         --bindir "${pre_prefix}$bindir" \
8517         --includedir "${pre_prefix}$includedir" \
8518         --datadir "${pre_prefix}$datadir" \
8519         --mandir "${pre_prefix}$mandir" \
8520         --sysconfdir "${pre_prefix}$sysconfdir" \
8521         --localstatedir "${pre_prefix}$local_statedir" \
8522         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8523         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8524         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8525         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8526         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8527         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8528         $cross_arg \
8529         "$PWD" "$source_path"
8530
8531 if test "$?" -ne 0 ; then
8532     error_exit "meson setup failed"
8533 fi
8534 touch ninjatool.stamp
8535 fi
8536
8537 # Save the configure command line for later reuse.
8538 cat <<EOD >config.status
8539 #!/bin/sh
8540 # Generated by configure.
8541 # Run this file to recreate the current configuration.
8542 # Compiler output produced by configure, useful for debugging
8543 # configure, is in config.log if it exists.
8544 EOD
8545
8546 preserve_env() {
8547     envname=$1
8548
8549     eval envval=\$$envname
8550
8551     if test -n "$envval"
8552     then
8553         echo "$envname='$envval'" >> config.status
8554         echo "export $envname" >> config.status
8555     else
8556         echo "unset $envname" >> config.status
8557     fi
8558 }
8559
8560 # Preserve various env variables that influence what
8561 # features/build target configure will detect
8562 preserve_env AR
8563 preserve_env AS
8564 preserve_env CC
8565 preserve_env CPP
8566 preserve_env CXX
8567 preserve_env INSTALL
8568 preserve_env LD
8569 preserve_env LD_LIBRARY_PATH
8570 preserve_env LIBTOOL
8571 preserve_env MAKE
8572 preserve_env NM
8573 preserve_env OBJCOPY
8574 preserve_env PATH
8575 preserve_env PKG_CONFIG
8576 preserve_env PKG_CONFIG_LIBDIR
8577 preserve_env PKG_CONFIG_PATH
8578 preserve_env PYTHON
8579 preserve_env SDL2_CONFIG
8580 preserve_env SMBD
8581 preserve_env STRIP
8582 preserve_env WINDRES
8583
8584 printf "exec" >>config.status
8585 for i in "$0" "$@"; do
8586   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8587 done
8588 echo ' "$@"' >>config.status
8589 chmod +x config.status
8590
8591 rm -r "$TMPDIR1"