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}/${TMPB}.exe"
  81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 printf " '%s'" "$0" "$@" >> config.log
  89 echo >> config.log
  90 echo "#" >> config.log
  91
  92 print_error() {
  93     (echo
  94     echo "ERROR: $1"
  95     while test -n "$2"; do
  96         echo "       $2"
  97         shift
  98     done
  99     echo) >&2
 100 }
 101
 102 error_exit() {
 103     print_error "$@"
 104     exit 1
 105 }
 106
 107 do_compiler() {
 108     # Run the compiler, capturing its output to the log. First argument
 109     # is compiler binary to execute.
 110     local compiler="$1"
 111     shift
 112     if test -n "$BASH_VERSION"; then eval '
 113         echo >>config.log "
 114 funcs: ${FUNCNAME[*]}
 115 lines: ${BASH_LINENO[*]}"
 116     '; fi
 117     echo $compiler "$@" >> config.log
 118     $compiler "$@" >> config.log 2>&1 || return $?
 119     # Test passed. If this is an --enable-werror build, rerun
 120     # the test with -Werror and bail out if it fails. This
 121     # makes warning-generating-errors in configure test code
 122     # obvious to developers.
 123     if test "$werror" != "yes"; then
 124         return 0
 125     fi
 126     # Don't bother rerunning the compile if we were already using -Werror
 127     case "$*" in
 128         *-Werror*)
 129            return 0
 130         ;;
 131     esac
 132     echo $compiler -Werror "$@" >> config.log
 133     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 134     error_exit "configure test passed without -Werror but failed with -Werror." \
 135         "This is probably a bug in the configure script. The failing command" \
 136         "will be at the bottom of config.log." \
 137         "You can run configure with --disable-werror to bypass this check."
 138 }
 139
 140 do_cc() {
 141     do_compiler "$cc" "$@"
 142 }
 143
 144 do_cxx() {
 145     do_compiler "$cxx" "$@"
 146 }
 147
 148 # Append $2 to the variable named $1, with space separation
 149 add_to() {
 150     eval $1=\${$1:+\"\$$1 \"}\$2
 151 }
 152
 153 update_cxxflags() {
 154     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 155     # options which some versions of GCC's C++ compiler complain about
 156     # because they only make sense for C programs.
 157     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 158     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 159     for arg in $QEMU_CFLAGS; do
 160         case $arg in
 161             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 162             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 163                 ;;
 164             *)
 165                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 166                 ;;
 167         esac
 168     done
 169 }
 170
 171 compile_object() {
 172   local_cflags="$1"
 173   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 174 }
 175
 176 compile_prog() {
 177   local_cflags="$1"
 178   local_ldflags="$2"
 179   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 180 }
 181
 182 # symbolically link $1 to $2.  Portable version of "ln -sf".
 183 symlink() {
 184   rm -rf "$2"
 185   mkdir -p "$(dirname "$2")"
 186   ln -s "$1" "$2"
 187 }
 188
 189 # check whether a command is available to this shell (may be either an
 190 # executable or a builtin)
 191 has() {
 192     type "$1" >/dev/null 2>&1
 193 }
 194
 195 # search for an executable in PATH
 196 path_of() {
 197     local_command="$1"
 198     local_ifs="$IFS"
 199     local_dir=""
 200
 201     # pathname has a dir component?
 202     if [ "${local_command#*/}" != "$local_command" ]; then
 203         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 204             echo "$local_command"
 205             return 0
 206         fi
 207     fi
 208     if [ -z "$local_command" ]; then
 209         return 1
 210     fi
 211
 212     IFS=:
 213     for local_dir in $PATH; do
 214         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 215             echo "$local_dir/$local_command"
 216             IFS="${local_ifs:-$(printf ' \t\n')}"
 217             return 0
 218         fi
 219     done
 220     # not found
 221     IFS="${local_ifs:-$(printf ' \t\n')}"
 222     return 1
 223 }
 224
 225 version_ge () {
 226     local_ver1=`echo $1 | tr . ' '`
 227     local_ver2=`echo $2 | tr . ' '`
 228     while true; do
 229         set x $local_ver1
 230         local_first=${2-0}
 231         # shift 2 does nothing if there are less than 2 arguments
 232         shift; shift
 233         local_ver1=$*
 234         set x $local_ver2
 235         # the second argument finished, the first must be greater or equal
 236         test $# = 1 && return 0
 237         test $local_first -lt $2 && return 1
 238         test $local_first -gt $2 && return 0
 239         shift; shift
 240         local_ver2=$*
 241     done
 242 }
 243
 244 have_backend () {
 245     echo "$trace_backends" | grep "$1" >/dev/null
 246 }
 247
 248 glob() {
 249     eval test -z '"${1#'"$2"'}"'
 250 }
 251
 252 supported_hax_target() {
 253     test "$hax" = "yes" || return 1
 254     glob "$1" "*-softmmu" || return 1
 255     case "${1%-softmmu}" in
 256         i386|x86_64)
 257             return 0
 258         ;;
 259     esac
 260     return 1
 261 }
 262
 263 supported_kvm_target() {
 264     test "$kvm" = "yes" || return 1
 265     glob "$1" "*-softmmu" || return 1
 266     case "${1%-softmmu}:$cpu" in
 267         arm:arm | aarch64:aarch64 | \
 268         i386:i386 | i386:x86_64 | i386:x32 | \
 269         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 270         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 271         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 272         s390x:s390x)
 273             return 0
 274         ;;
 275     esac
 276     return 1
 277 }
 278
 279 supported_xen_target() {
 280     test "$xen" = "yes" || return 1
 281     glob "$1" "*-softmmu" || return 1
 282     # Only i386 and x86_64 provide the xenpv machine.
 283     case "${1%-softmmu}" in
 284         i386|x86_64)
 285             return 0
 286         ;;
 287     esac
 288     return 1
 289 }
 290
 291 supported_hvf_target() {
 292     test "$hvf" = "yes" || return 1
 293     glob "$1" "*-softmmu" || return 1
 294     case "${1%-softmmu}" in
 295         x86_64)
 296             return 0
 297         ;;
 298     esac
 299     return 1
 300 }
 301
 302 supported_whpx_target() {
 303     test "$whpx" = "yes" || return 1
 304     glob "$1" "*-softmmu" || return 1
 305     case "${1%-softmmu}" in
 306         i386|x86_64)
 307             return 0
 308         ;;
 309     esac
 310     return 1
 311 }
 312
 313 supported_target() {
 314     case "$1" in
 315         *-softmmu)
 316             ;;
 317         *-linux-user)
 318             if test "$linux" != "yes"; then
 319                 print_error "Target '$target' is only available on a Linux host"
 320                 return 1
 321             fi
 322             ;;
 323         *-bsd-user)
 324             if test "$bsd" != "yes"; then
 325                 print_error "Target '$target' is only available on a BSD host"
 326                 return 1
 327             fi
 328             ;;
 329         *)
 330             print_error "Invalid target name '$target'"
 331             return 1
 332             ;;
 333     esac
 334     test "$tcg" = "yes" && return 0
 335     supported_kvm_target "$1" && return 0
 336     supported_xen_target "$1" && return 0
 337     supported_hax_target "$1" && return 0
 338     supported_hvf_target "$1" && return 0
 339     supported_whpx_target "$1" && return 0
 340     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 341     return 1
 342 }
 343
 344
 345 ld_has() {
 346     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 347 }
 348
 349 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 350 then
 351   error_exit "main directory cannot contain spaces nor colons"
 352 fi
 353
 354 # default parameters
 355 cpu=""
 356 iasl="iasl"
 357 interp_prefix="/usr/gnemul/qemu-%M"
 358 static="no"
 359 cross_prefix=""
 360 audio_drv_list=""
 361 block_drv_rw_whitelist=""
 362 block_drv_ro_whitelist=""
 363 host_cc="cc"
 364 libs_tools=""
 365 audio_win_int=""
 366 libs_qga=""
 367 debug_info="yes"
 368 stack_protector=""
 369 safe_stack=""
 370 use_containers="yes"
 371 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 372
 373 if test -e "$source_path/.git"
 374 then
 375     git_update=yes
 376     git_submodules="ui/keycodemapdb"
 377     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 378     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 379 else
 380     git_update=no
 381     git_submodules=""
 382
 383     if ! test -f "$source_path/ui/keycodemapdb/README"
 384     then
 385         echo
 386         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 387         echo
 388         echo "This is not a GIT checkout but module content appears to"
 389         echo "be missing. Do not use 'git archive' or GitHub download links"
 390         echo "to acquire QEMU source archives. Non-GIT builds are only"
 391         echo "supported with source archives linked from:"
 392         echo
 393         echo "  https://www.qemu.org/download/#source"
 394         echo
 395         echo "Developers working with GIT can use scripts/archive-source.sh"
 396         echo "if they need to create valid source archives."
 397         echo
 398         exit 1
 399     fi
 400 fi
 401 git="git"
 402
 403 # Don't accept a target_list environment variable.
 404 unset target_list
 405 unset target_list_exclude
 406
 407 # Default value for a variable defining feature "foo".
 408 #  * foo="no"  feature will only be used if --enable-foo arg is given
 409 #  * foo=""    feature will be searched for, and if found, will be used
 410 #              unless --disable-foo is given
 411 #  * foo="yes" this value will only be set by --enable-foo flag.
 412 #              feature will searched for,
 413 #              if not found, configure exits with error
 414 #
 415 # Always add --enable-foo and --disable-foo command line args.
 416 # Distributions want to ensure that several features are compiled in, and it
 417 # is impossible without a --enable-foo that exits if a feature is not found.
 418
 419 brlapi=""
 420 curl=""
 421 curses=""
 422 docs=""
 423 fdt=""
 424 netmap="no"
 425 sdl=""
 426 sdl_image=""
 427 virtfs=""
 428 mpath=""
 429 vnc="yes"
 430 sparse="no"
 431 vde=""
 432 vnc_sasl=""
 433 vnc_jpeg=""
 434 vnc_png=""
 435 xkbcommon=""
 436 xen=""
 437 xen_ctrl_version=""
 438 xen_pci_passthrough=""
 439 linux_aio=""
 440 linux_io_uring=""
 441 cap_ng=""
 442 attr=""
 443 libattr=""
 444 xfs=""
 445 tcg="yes"
 446 membarrier=""
 447 vhost_net=""
 448 vhost_crypto=""
 449 vhost_scsi=""
 450 vhost_vsock=""
 451 vhost_user=""
 452 vhost_user_fs=""
 453 kvm="no"
 454 hax="no"
 455 hvf="no"
 456 whpx="no"
 457 rdma=""
 458 pvrdma=""
 459 gprof="no"
 460 debug_tcg="no"
 461 debug="no"
 462 sanitizers="no"
 463 tsan="no"
 464 fortify_source=""
 465 strip_opt="yes"
 466 tcg_interpreter="no"
 467 bigendian="no"
 468 mingw32="no"
 469 gcov="no"
 470 EXESUF=""
 471 HOST_DSOSUF=".so"
 472 LDFLAGS_SHARED="-shared"
 473 modules="no"
 474 module_upgrades="no"
 475 prefix="/usr/local"
 476 firmwarepath="\${prefix}/share/qemu-firmware"
 477 confsuffix="/qemu"
 478 slirp=""
 479 oss_lib=""
 480 bsd="no"
 481 linux="no"
 482 solaris="no"
 483 profiler="no"
 484 cocoa="no"
 485 softmmu="yes"
 486 linux_user="no"
 487 bsd_user="no"
 488 blobs="yes"
 489 edk2_blobs="no"
 490 pkgversion=""
 491 pie=""
 492 qom_cast_debug="yes"
 493 trace_backends="log"
 494 trace_file="trace"
 495 spice=""
 496 rbd=""
 497 smartcard=""
 498 libusb=""
 499 usb_redir=""
 500 opengl=""
 501 opengl_dmabuf="no"
 502 cpuid_h="no"
 503 avx2_opt=""
 504 zlib="yes"
 505 capstone=""
 506 lzo=""
 507 snappy=""
 508 bzip2=""
 509 lzfse=""
 510 zstd=""
 511 guest_agent=""
 512 guest_agent_with_vss="no"
 513 guest_agent_ntddscsi="no"
 514 guest_agent_msi=""
 515 vss_win32_sdk=""
 516 win_sdk="no"
 517 want_tools=""
 518 libiscsi=""
 519 libnfs=""
 520 coroutine=""
 521 coroutine_pool=""
 522 debug_stack_usage="no"
 523 crypto_afalg="no"
 524 seccomp=""
 525 glusterfs=""
 526 glusterfs_xlator_opt="no"
 527 glusterfs_discard="no"
 528 glusterfs_fallocate="no"
 529 glusterfs_zerofill="no"
 530 glusterfs_ftruncate_has_stat="no"
 531 glusterfs_iocb_has_stat="no"
 532 gtk=""
 533 gtk_gl="no"
 534 tls_priority="NORMAL"
 535 gnutls=""
 536 nettle=""
 537 nettle_xts="no"
 538 gcrypt=""
 539 gcrypt_hmac="no"
 540 gcrypt_xts="no"
 541 qemu_private_xts="yes"
 542 auth_pam=""
 543 vte=""
 544 virglrenderer=""
 545 tpm=""
 546 libssh=""
 547 live_block_migration="yes"
 548 numa=""
 549 tcmalloc="no"
 550 jemalloc="no"
 551 replication="yes"
 552 bochs="yes"
 553 cloop="yes"
 554 dmg="yes"
 555 qcow1="yes"
 556 vdi="yes"
 557 vvfat="yes"
 558 qed="yes"
 559 parallels="yes"
 560 sheepdog="yes"
 561 libxml2=""
 562 debug_mutex="no"
 563 libpmem=""
 564 default_devices="yes"
 565 plugins="no"
 566 fuzzing="no"
 567 rng_none="no"
 568 secret_keyring=""
 569 libdaxctl=""
 570 meson=""
 571 skip_meson=no
 572
 573 bogus_os="no"
 574 malloc_trim=""
 575
 576 # parse CC options first
 577 for opt do
 578   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 579   case "$opt" in
 580   --cross-prefix=*) cross_prefix="$optarg"
 581   ;;
 582   --cc=*) CC="$optarg"
 583   ;;
 584   --cxx=*) CXX="$optarg"
 585   ;;
 586   --cpu=*) cpu="$optarg"
 587   ;;
 588   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 589                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 590   ;;
 591   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 592   ;;
 593   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 594                      EXTRA_LDFLAGS="$optarg"
 595   ;;
 596   --enable-debug-info) debug_info="yes"
 597   ;;
 598   --disable-debug-info) debug_info="no"
 599   ;;
 600   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 601   ;;
 602   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 603                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 604                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 605   ;;
 606   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 607                 cc_archs="$cc_archs $cc_arch"
 608                 eval "cross_cc_${cc_arch}=\$optarg"
 609                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 610   ;;
 611   esac
 612 done
 613 # OS specific
 614 # Using uname is really, really broken.  Once we have the right set of checks
 615 # we can eliminate its usage altogether.
 616
 617 # Preferred compiler:
 618 #  ${CC} (if set)
 619 #  ${cross_prefix}gcc (if cross-prefix specified)
 620 #  system compiler
 621 if test -z "${CC}${cross_prefix}"; then
 622   cc="$host_cc"
 623 else
 624   cc="${CC-${cross_prefix}gcc}"
 625 fi
 626
 627 if test -z "${CXX}${cross_prefix}"; then
 628   cxx="c++"
 629 else
 630   cxx="${CXX-${cross_prefix}g++}"
 631 fi
 632
 633 ar="${AR-${cross_prefix}ar}"
 634 as="${AS-${cross_prefix}as}"
 635 ccas="${CCAS-$cc}"
 636 cpp="${CPP-$cc -E}"
 637 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 638 ld="${LD-${cross_prefix}ld}"
 639 ranlib="${RANLIB-${cross_prefix}ranlib}"
 640 nm="${NM-${cross_prefix}nm}"
 641 strip="${STRIP-${cross_prefix}strip}"
 642 windres="${WINDRES-${cross_prefix}windres}"
 643 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 644 query_pkg_config() {
 645     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 646 }
 647 pkg_config=query_pkg_config
 648 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 649
 650 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 651 ARFLAGS="${ARFLAGS-rv}"
 652
 653 # default flags for all hosts
 654 # We use -fwrapv to tell the compiler that we require a C dialect where
 655 # left shift of signed integers is well defined and has the expected
 656 # 2s-complement style results. (Both clang and gcc agree that it
 657 # provides these semantics.)
 658 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 659 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 660 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 661 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 662 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 663 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 664 CFLAGS="-std=gnu99 -Wall"
 665
 666
 667 # running configure in the source tree?
 668 # we know that's the case if configure is there.
 669 if test -f "./configure"; then
 670     pwd_is_source_path="y"
 671 else
 672     pwd_is_source_path="n"
 673 fi
 674
 675 check_define() {
 676 cat > $TMPC <<EOF
 677 #if !defined($1)
 678 #error $1 not defined
 679 #endif
 680 int main(void) { return 0; }
 681 EOF
 682   compile_object
 683 }
 684
 685 check_include() {
 686 cat > $TMPC <<EOF
 687 #include <$1>
 688 int main(void) { return 0; }
 689 EOF
 690   compile_object
 691 }
 692
 693 write_c_skeleton() {
 694     cat > $TMPC <<EOF
 695 int main(void) { return 0; }
 696 EOF
 697 }
 698
 699 write_c_fuzzer_skeleton() {
 700     cat > $TMPC <<EOF
 701 #include <stdint.h>
 702 #include <sys/types.h>
 703 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 704 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 705 EOF
 706 }
 707
 708 if check_define __linux__ ; then
 709   targetos="Linux"
 710 elif check_define _WIN32 ; then
 711   targetos='MINGW32'
 712 elif check_define __OpenBSD__ ; then
 713   targetos='OpenBSD'
 714 elif check_define __sun__ ; then
 715   targetos='SunOS'
 716 elif check_define __HAIKU__ ; then
 717   targetos='Haiku'
 718 elif check_define __FreeBSD__ ; then
 719   targetos='FreeBSD'
 720 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 721   targetos='GNU/kFreeBSD'
 722 elif check_define __DragonFly__ ; then
 723   targetos='DragonFly'
 724 elif check_define __NetBSD__; then
 725   targetos='NetBSD'
 726 elif check_define __APPLE__; then
 727   targetos='Darwin'
 728 else
 729   # This is a fatal error, but don't report it yet, because we
 730   # might be going to just print the --help text, or it might
 731   # be the result of a missing compiler.
 732   targetos='bogus'
 733   bogus_os='yes'
 734 fi
 735
 736 # Some host OSes need non-standard checks for which CPU to use.
 737 # Note that these checks are broken for cross-compilation: if you're
 738 # cross-compiling to one of these OSes then you'll need to specify
 739 # the correct CPU with the --cpu option.
 740 case $targetos in
 741 Darwin)
 742   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 743   # run 64-bit userspace code.
 744   # If the user didn't specify a CPU explicitly and the kernel says this is
 745   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 746   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 747     cpu="x86_64"
 748   fi
 749   ;;
 750 SunOS)
 751   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 752   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 753     cpu="x86_64"
 754   fi
 755 esac
 756
 757 if test ! -z "$cpu" ; then
 758   # command line argument
 759   :
 760 elif check_define __i386__ ; then
 761   cpu="i386"
 762 elif check_define __x86_64__ ; then
 763   if check_define __ILP32__ ; then
 764     cpu="x32"
 765   else
 766     cpu="x86_64"
 767   fi
 768 elif check_define __sparc__ ; then
 769   if check_define __arch64__ ; then
 770     cpu="sparc64"
 771   else
 772     cpu="sparc"
 773   fi
 774 elif check_define _ARCH_PPC ; then
 775   if check_define _ARCH_PPC64 ; then
 776     if check_define _LITTLE_ENDIAN ; then
 777       cpu="ppc64le"
 778     else
 779       cpu="ppc64"
 780     fi
 781   else
 782     cpu="ppc"
 783   fi
 784 elif check_define __mips__ ; then
 785   cpu="mips"
 786 elif check_define __s390__ ; then
 787   if check_define __s390x__ ; then
 788     cpu="s390x"
 789   else
 790     cpu="s390"
 791   fi
 792 elif check_define __riscv ; then
 793   if check_define _LP64 ; then
 794     cpu="riscv64"
 795   else
 796     cpu="riscv32"
 797   fi
 798 elif check_define __arm__ ; then
 799   cpu="arm"
 800 elif check_define __aarch64__ ; then
 801   cpu="aarch64"
 802 else
 803   cpu=$(uname -m)
 804 fi
 805
 806 ARCH=
 807 # Normalise host CPU name and set ARCH.
 808 # Note that this case should only have supported host CPUs, not guests.
 809 case "$cpu" in
 810   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 811   ;;
 812   ppc64le)
 813     ARCH="ppc64"
 814   ;;
 815   i386|i486|i586|i686|i86pc|BePC)
 816     cpu="i386"
 817   ;;
 818   x86_64|amd64)
 819     cpu="x86_64"
 820   ;;
 821   armv*b|armv*l|arm)
 822     cpu="arm"
 823   ;;
 824   aarch64)
 825     cpu="aarch64"
 826   ;;
 827   mips*)
 828     cpu="mips"
 829   ;;
 830   sparc|sun4[cdmuv])
 831     cpu="sparc"
 832   ;;
 833   *)
 834     # This will result in either an error or falling back to TCI later
 835     ARCH=unknown
 836   ;;
 837 esac
 838 if test -z "$ARCH"; then
 839   ARCH="$cpu"
 840 fi
 841
 842 # OS specific
 843
 844 # host *BSD for user mode
 845 HOST_VARIANT_DIR=""
 846
 847 case $targetos in
 848 MINGW32*)
 849   mingw32="yes"
 850   hax="yes"
 851   vhost_user="no"
 852   audio_possible_drivers="dsound sdl"
 853   if check_include dsound.h; then
 854     audio_drv_list="dsound"
 855   else
 856     audio_drv_list=""
 857   fi
 858   supported_os="yes"
 859 ;;
 860 GNU/kFreeBSD)
 861   bsd="yes"
 862   audio_drv_list="oss try-sdl"
 863   audio_possible_drivers="oss sdl pa"
 864 ;;
 865 FreeBSD)
 866   bsd="yes"
 867   make="${MAKE-gmake}"
 868   audio_drv_list="oss try-sdl"
 869   audio_possible_drivers="oss sdl pa"
 870   # needed for kinfo_getvmmap(3) in libutil.h
 871   LIBS="-lutil $LIBS"
 872   netmap=""  # enable netmap autodetect
 873   HOST_VARIANT_DIR="freebsd"
 874 ;;
 875 DragonFly)
 876   bsd="yes"
 877   make="${MAKE-gmake}"
 878   audio_drv_list="oss try-sdl"
 879   audio_possible_drivers="oss sdl pa"
 880   HOST_VARIANT_DIR="dragonfly"
 881 ;;
 882 NetBSD)
 883   bsd="yes"
 884   hax="yes"
 885   make="${MAKE-gmake}"
 886   audio_drv_list="oss try-sdl"
 887   audio_possible_drivers="oss sdl"
 888   oss_lib="-lossaudio"
 889   HOST_VARIANT_DIR="netbsd"
 890 ;;
 891 OpenBSD)
 892   bsd="yes"
 893   make="${MAKE-gmake}"
 894   audio_drv_list="try-sdl"
 895   audio_possible_drivers="sdl"
 896   HOST_VARIANT_DIR="openbsd"
 897 ;;
 898 Darwin)
 899   bsd="yes"
 900   darwin="yes"
 901   hax="yes"
 902   hvf="yes"
 903   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 904   if [ "$cpu" = "x86_64" ] ; then
 905     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 906     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 907   fi
 908   cocoa="yes"
 909   audio_drv_list="coreaudio try-sdl"
 910   audio_possible_drivers="coreaudio sdl"
 911   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 912   # Disable attempts to use ObjectiveC features in os/object.h since they
 913   # won't work when we're compiling with gcc as a C compiler.
 914   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 915   HOST_VARIANT_DIR="darwin"
 916 ;;
 917 SunOS)
 918   solaris="yes"
 919   make="${MAKE-gmake}"
 920   install="${INSTALL-ginstall}"
 921   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 922   if test -f /usr/include/sys/soundcard.h ; then
 923     audio_drv_list="oss try-sdl"
 924   fi
 925   audio_possible_drivers="oss sdl"
 926 # needed for CMSG_ macros in sys/socket.h
 927   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 928 # needed for TIOCWIN* defines in termios.h
 929   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 930   solarisnetlibs="-lsocket -lnsl -lresolv"
 931   LIBS="$solarisnetlibs $LIBS"
 932 ;;
 933 Haiku)
 934   haiku="yes"
 935   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 936   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 937 ;;
 938 Linux)
 939   audio_drv_list="try-pa oss"
 940   audio_possible_drivers="oss alsa sdl pa"
 941   linux="yes"
 942   linux_user="yes"
 943   kvm="yes"
 944   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 945   libudev="yes"
 946 ;;
 947 esac
 948
 949 if [ "$bsd" = "yes" ] ; then
 950   if [ "$darwin" != "yes" ] ; then
 951     bsd_user="yes"
 952   fi
 953 fi
 954
 955 : ${make=${MAKE-make}}
 956 : ${install=${INSTALL-install}}
 957 # We prefer python 3.x. A bare 'python' is traditionally
 958 # python 2.x, but some distros have it as python 3.x, so
 959 # we check that too
 960 python=
 961 explicit_python=no
 962 for binary in "${PYTHON-python3}" python
 963 do
 964     if has "$binary"
 965     then
 966         python=$(command -v "$binary")
 967         break
 968     fi
 969 done
 970
 971 sphinx_build=
 972 for binary in sphinx-build-3 sphinx-build
 973 do
 974     if has "$binary"
 975     then
 976         sphinx_build=$(command -v "$binary")
 977         break
 978     fi
 979 done
 980
 981 # Check for ancillary tools used in testing
 982 genisoimage=
 983 for binary in genisoimage mkisofs
 984 do
 985     if has $binary
 986     then
 987         genisoimage=$(command -v "$binary")
 988         break
 989     fi
 990 done
 991
 992 : ${smbd=${SMBD-/usr/sbin/smbd}}
 993
 994 # Default objcc to clang if available, otherwise use CC
 995 if has clang; then
 996   objcc=clang
 997 else
 998   objcc="$cc"
 999 fi
1000
1001 if test "$mingw32" = "yes" ; then
1002   EXESUF=".exe"
1003   HOST_DSOSUF=".dll"
1004   # MinGW needs -mthreads for TLS and macro _MT.
1005   CFLAGS="-mthreads $CFLAGS"
1006   LIBS="-lwinmm -lws2_32 $LIBS"
1007   write_c_skeleton;
1008   if compile_prog "" "-liberty" ; then
1009     LIBS="-liberty $LIBS"
1010   fi
1011   prefix="c:/Program Files/QEMU"
1012   confsuffix=""
1013   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1014 fi
1015
1016 werror=""
1017
1018 for opt do
1019   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1020   case "$opt" in
1021   --help|-h) show_help=yes
1022   ;;
1023   --version|-V) exec cat $source_path/VERSION
1024   ;;
1025   --prefix=*) prefix="$optarg"
1026   ;;
1027   --interp-prefix=*) interp_prefix="$optarg"
1028   ;;
1029   --cross-prefix=*)
1030   ;;
1031   --cc=*)
1032   ;;
1033   --host-cc=*) host_cc="$optarg"
1034   ;;
1035   --cxx=*)
1036   ;;
1037   --iasl=*) iasl="$optarg"
1038   ;;
1039   --objcc=*) objcc="$optarg"
1040   ;;
1041   --make=*) make="$optarg"
1042   ;;
1043   --install=*) install="$optarg"
1044   ;;
1045   --python=*) python="$optarg" ; explicit_python=yes
1046   ;;
1047   --sphinx-build=*) sphinx_build="$optarg"
1048   ;;
1049   --skip-meson) skip_meson=yes
1050   ;;
1051   --meson=*) meson="$optarg"
1052   ;;
1053   --smbd=*) smbd="$optarg"
1054   ;;
1055   --extra-cflags=*)
1056   ;;
1057   --extra-cxxflags=*)
1058   ;;
1059   --extra-ldflags=*)
1060   ;;
1061   --enable-debug-info)
1062   ;;
1063   --disable-debug-info)
1064   ;;
1065   --cross-cc-*)
1066   ;;
1067   --enable-modules)
1068       modules="yes"
1069   ;;
1070   --disable-modules)
1071       modules="no"
1072   ;;
1073   --disable-module-upgrades) module_upgrades="no"
1074   ;;
1075   --enable-module-upgrades) module_upgrades="yes"
1076   ;;
1077   --cpu=*)
1078   ;;
1079   --target-list=*) target_list="$optarg"
1080                    if test "$target_list_exclude"; then
1081                        error_exit "Can't mix --target-list with --target-list-exclude"
1082                    fi
1083   ;;
1084   --target-list-exclude=*) target_list_exclude="$optarg"
1085                    if test "$target_list"; then
1086                        error_exit "Can't mix --target-list-exclude with --target-list"
1087                    fi
1088   ;;
1089   --enable-trace-backends=*) trace_backends="$optarg"
1090   ;;
1091   # XXX: backwards compatibility
1092   --enable-trace-backend=*) trace_backends="$optarg"
1093   ;;
1094   --with-trace-file=*) trace_file="$optarg"
1095   ;;
1096   --with-default-devices) default_devices="yes"
1097   ;;
1098   --without-default-devices) default_devices="no"
1099   ;;
1100   --enable-gprof) gprof="yes"
1101   ;;
1102   --enable-gcov) gcov="yes"
1103   ;;
1104   --static)
1105     static="yes"
1106     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1107   ;;
1108   --mandir=*) mandir="$optarg"
1109   ;;
1110   --bindir=*) bindir="$optarg"
1111   ;;
1112   --libdir=*) libdir="$optarg"
1113   ;;
1114   --libexecdir=*) libexecdir="$optarg"
1115   ;;
1116   --includedir=*) includedir="$optarg"
1117   ;;
1118   --datadir=*) datadir="$optarg"
1119   ;;
1120   --with-confsuffix=*) confsuffix="$optarg"
1121   ;;
1122   --docdir=*) qemu_docdir="$optarg"
1123   ;;
1124   --sysconfdir=*) sysconfdir="$optarg"
1125   ;;
1126   --localstatedir=*) local_statedir="$optarg"
1127   ;;
1128   --firmwarepath=*) firmwarepath="$optarg"
1129   ;;
1130   --host=*|--build=*|\
1131   --disable-dependency-tracking|\
1132   --sbindir=*|--sharedstatedir=*|\
1133   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1134   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1135     # These switches are silently ignored, for compatibility with
1136     # autoconf-generated configure scripts. This allows QEMU's
1137     # configure to be used by RPM and similar macros that set
1138     # lots of directory switches by default.
1139   ;;
1140   --disable-sdl) sdl="no"
1141   ;;
1142   --enable-sdl) sdl="yes"
1143   ;;
1144   --disable-sdl-image) sdl_image="no"
1145   ;;
1146   --enable-sdl-image) sdl_image="yes"
1147   ;;
1148   --disable-qom-cast-debug) qom_cast_debug="no"
1149   ;;
1150   --enable-qom-cast-debug) qom_cast_debug="yes"
1151   ;;
1152   --disable-virtfs) virtfs="no"
1153   ;;
1154   --enable-virtfs) virtfs="yes"
1155   ;;
1156   --disable-mpath) mpath="no"
1157   ;;
1158   --enable-mpath) mpath="yes"
1159   ;;
1160   --disable-vnc) vnc="no"
1161   ;;
1162   --enable-vnc) vnc="yes"
1163   ;;
1164   --oss-lib=*) oss_lib="$optarg"
1165   ;;
1166   --audio-drv-list=*) audio_drv_list="$optarg"
1167   ;;
1168   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1169   ;;
1170   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1171   ;;
1172   --enable-debug-tcg) debug_tcg="yes"
1173   ;;
1174   --disable-debug-tcg) debug_tcg="no"
1175   ;;
1176   --enable-debug)
1177       # Enable debugging options that aren't excessively noisy
1178       debug_tcg="yes"
1179       debug_mutex="yes"
1180       debug="yes"
1181       strip_opt="no"
1182       fortify_source="no"
1183   ;;
1184   --enable-sanitizers) sanitizers="yes"
1185   ;;
1186   --disable-sanitizers) sanitizers="no"
1187   ;;
1188   --enable-tsan) tsan="yes"
1189   ;;
1190   --disable-tsan) tsan="no"
1191   ;;
1192   --enable-sparse) sparse="yes"
1193   ;;
1194   --disable-sparse) sparse="no"
1195   ;;
1196   --disable-strip) strip_opt="no"
1197   ;;
1198   --disable-vnc-sasl) vnc_sasl="no"
1199   ;;
1200   --enable-vnc-sasl) vnc_sasl="yes"
1201   ;;
1202   --disable-vnc-jpeg) vnc_jpeg="no"
1203   ;;
1204   --enable-vnc-jpeg) vnc_jpeg="yes"
1205   ;;
1206   --disable-vnc-png) vnc_png="no"
1207   ;;
1208   --enable-vnc-png) vnc_png="yes"
1209   ;;
1210   --disable-slirp) slirp="no"
1211   ;;
1212   --enable-slirp=git) slirp="git"
1213   ;;
1214   --enable-slirp=system) slirp="system"
1215   ;;
1216   --disable-vde) vde="no"
1217   ;;
1218   --enable-vde) vde="yes"
1219   ;;
1220   --disable-netmap) netmap="no"
1221   ;;
1222   --enable-netmap) netmap="yes"
1223   ;;
1224   --disable-xen) xen="no"
1225   ;;
1226   --enable-xen) xen="yes"
1227   ;;
1228   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1229   ;;
1230   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1231   ;;
1232   --disable-brlapi) brlapi="no"
1233   ;;
1234   --enable-brlapi) brlapi="yes"
1235   ;;
1236   --disable-kvm) kvm="no"
1237   ;;
1238   --enable-kvm) kvm="yes"
1239   ;;
1240   --disable-hax) hax="no"
1241   ;;
1242   --enable-hax) hax="yes"
1243   ;;
1244   --disable-hvf) hvf="no"
1245   ;;
1246   --enable-hvf) hvf="yes"
1247   ;;
1248   --disable-whpx) whpx="no"
1249   ;;
1250   --enable-whpx) whpx="yes"
1251   ;;
1252   --disable-tcg-interpreter) tcg_interpreter="no"
1253   ;;
1254   --enable-tcg-interpreter) tcg_interpreter="yes"
1255   ;;
1256   --disable-cap-ng)  cap_ng="no"
1257   ;;
1258   --enable-cap-ng) cap_ng="yes"
1259   ;;
1260   --disable-tcg) tcg="no"
1261   ;;
1262   --enable-tcg) tcg="yes"
1263   ;;
1264   --disable-malloc-trim) malloc_trim="no"
1265   ;;
1266   --enable-malloc-trim) malloc_trim="yes"
1267   ;;
1268   --disable-spice) spice="no"
1269   ;;
1270   --enable-spice) spice="yes"
1271   ;;
1272   --disable-libiscsi) libiscsi="no"
1273   ;;
1274   --enable-libiscsi) libiscsi="yes"
1275   ;;
1276   --disable-libnfs) libnfs="no"
1277   ;;
1278   --enable-libnfs) libnfs="yes"
1279   ;;
1280   --enable-profiler) profiler="yes"
1281   ;;
1282   --disable-cocoa) cocoa="no"
1283   ;;
1284   --enable-cocoa)
1285       cocoa="yes" ;
1286       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1287   ;;
1288   --disable-system) softmmu="no"
1289   ;;
1290   --enable-system) softmmu="yes"
1291   ;;
1292   --disable-user)
1293       linux_user="no" ;
1294       bsd_user="no" ;
1295   ;;
1296   --enable-user) ;;
1297   --disable-linux-user) linux_user="no"
1298   ;;
1299   --enable-linux-user) linux_user="yes"
1300   ;;
1301   --disable-bsd-user) bsd_user="no"
1302   ;;
1303   --enable-bsd-user) bsd_user="yes"
1304   ;;
1305   --enable-pie) pie="yes"
1306   ;;
1307   --disable-pie) pie="no"
1308   ;;
1309   --enable-werror) werror="yes"
1310   ;;
1311   --disable-werror) werror="no"
1312   ;;
1313   --enable-stack-protector) stack_protector="yes"
1314   ;;
1315   --disable-stack-protector) stack_protector="no"
1316   ;;
1317   --enable-safe-stack) safe_stack="yes"
1318   ;;
1319   --disable-safe-stack) safe_stack="no"
1320   ;;
1321   --disable-curses) curses="no"
1322   ;;
1323   --enable-curses) curses="yes"
1324   ;;
1325   --disable-iconv) iconv="no"
1326   ;;
1327   --enable-iconv) iconv="yes"
1328   ;;
1329   --disable-curl) curl="no"
1330   ;;
1331   --enable-curl) curl="yes"
1332   ;;
1333   --disable-fdt) fdt="no"
1334   ;;
1335   --enable-fdt) fdt="yes"
1336   ;;
1337   --disable-linux-aio) linux_aio="no"
1338   ;;
1339   --enable-linux-aio) linux_aio="yes"
1340   ;;
1341   --disable-linux-io-uring) linux_io_uring="no"
1342   ;;
1343   --enable-linux-io-uring) linux_io_uring="yes"
1344   ;;
1345   --disable-attr) attr="no"
1346   ;;
1347   --enable-attr) attr="yes"
1348   ;;
1349   --disable-membarrier) membarrier="no"
1350   ;;
1351   --enable-membarrier) membarrier="yes"
1352   ;;
1353   --disable-blobs) blobs="no"
1354   ;;
1355   --with-pkgversion=*) pkgversion="$optarg"
1356   ;;
1357   --with-coroutine=*) coroutine="$optarg"
1358   ;;
1359   --disable-coroutine-pool) coroutine_pool="no"
1360   ;;
1361   --enable-coroutine-pool) coroutine_pool="yes"
1362   ;;
1363   --enable-debug-stack-usage) debug_stack_usage="yes"
1364   ;;
1365   --enable-crypto-afalg) crypto_afalg="yes"
1366   ;;
1367   --disable-crypto-afalg) crypto_afalg="no"
1368   ;;
1369   --disable-docs) docs="no"
1370   ;;
1371   --enable-docs) docs="yes"
1372   ;;
1373   --disable-vhost-net) vhost_net="no"
1374   ;;
1375   --enable-vhost-net) vhost_net="yes"
1376   ;;
1377   --disable-vhost-crypto) vhost_crypto="no"
1378   ;;
1379   --enable-vhost-crypto) vhost_crypto="yes"
1380   ;;
1381   --disable-vhost-scsi) vhost_scsi="no"
1382   ;;
1383   --enable-vhost-scsi) vhost_scsi="yes"
1384   ;;
1385   --disable-vhost-vsock) vhost_vsock="no"
1386   ;;
1387   --enable-vhost-vsock) vhost_vsock="yes"
1388   ;;
1389   --disable-vhost-user-fs) vhost_user_fs="no"
1390   ;;
1391   --enable-vhost-user-fs) vhost_user_fs="yes"
1392   ;;
1393   --disable-opengl) opengl="no"
1394   ;;
1395   --enable-opengl) opengl="yes"
1396   ;;
1397   --disable-rbd) rbd="no"
1398   ;;
1399   --enable-rbd) rbd="yes"
1400   ;;
1401   --disable-xfsctl) xfs="no"
1402   ;;
1403   --enable-xfsctl) xfs="yes"
1404   ;;
1405   --disable-smartcard) smartcard="no"
1406   ;;
1407   --enable-smartcard) smartcard="yes"
1408   ;;
1409   --disable-libusb) libusb="no"
1410   ;;
1411   --enable-libusb) libusb="yes"
1412   ;;
1413   --disable-usb-redir) usb_redir="no"
1414   ;;
1415   --enable-usb-redir) usb_redir="yes"
1416   ;;
1417   --disable-zlib-test) zlib="no"
1418   ;;
1419   --disable-lzo) lzo="no"
1420   ;;
1421   --enable-lzo) lzo="yes"
1422   ;;
1423   --disable-snappy) snappy="no"
1424   ;;
1425   --enable-snappy) snappy="yes"
1426   ;;
1427   --disable-bzip2) bzip2="no"
1428   ;;
1429   --enable-bzip2) bzip2="yes"
1430   ;;
1431   --enable-lzfse) lzfse="yes"
1432   ;;
1433   --disable-lzfse) lzfse="no"
1434   ;;
1435   --disable-zstd) zstd="no"
1436   ;;
1437   --enable-zstd) zstd="yes"
1438   ;;
1439   --enable-guest-agent) guest_agent="yes"
1440   ;;
1441   --disable-guest-agent) guest_agent="no"
1442   ;;
1443   --enable-guest-agent-msi) guest_agent_msi="yes"
1444   ;;
1445   --disable-guest-agent-msi) guest_agent_msi="no"
1446   ;;
1447   --with-vss-sdk) vss_win32_sdk=""
1448   ;;
1449   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1450   ;;
1451   --without-vss-sdk) vss_win32_sdk="no"
1452   ;;
1453   --with-win-sdk) win_sdk=""
1454   ;;
1455   --with-win-sdk=*) win_sdk="$optarg"
1456   ;;
1457   --without-win-sdk) win_sdk="no"
1458   ;;
1459   --enable-tools) want_tools="yes"
1460   ;;
1461   --disable-tools) want_tools="no"
1462   ;;
1463   --enable-seccomp) seccomp="yes"
1464   ;;
1465   --disable-seccomp) seccomp="no"
1466   ;;
1467   --disable-glusterfs) glusterfs="no"
1468   ;;
1469   --disable-avx2) avx2_opt="no"
1470   ;;
1471   --enable-avx2) avx2_opt="yes"
1472   ;;
1473   --disable-avx512f) avx512f_opt="no"
1474   ;;
1475   --enable-avx512f) avx512f_opt="yes"
1476   ;;
1477
1478   --enable-glusterfs) glusterfs="yes"
1479   ;;
1480   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1481       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1482   ;;
1483   --enable-vhdx|--disable-vhdx)
1484       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1485   ;;
1486   --enable-uuid|--disable-uuid)
1487       echo "$0: $opt is obsolete, UUID support is always built" >&2
1488   ;;
1489   --disable-gtk) gtk="no"
1490   ;;
1491   --enable-gtk) gtk="yes"
1492   ;;
1493   --tls-priority=*) tls_priority="$optarg"
1494   ;;
1495   --disable-gnutls) gnutls="no"
1496   ;;
1497   --enable-gnutls) gnutls="yes"
1498   ;;
1499   --disable-nettle) nettle="no"
1500   ;;
1501   --enable-nettle) nettle="yes"
1502   ;;
1503   --disable-gcrypt) gcrypt="no"
1504   ;;
1505   --enable-gcrypt) gcrypt="yes"
1506   ;;
1507   --disable-auth-pam) auth_pam="no"
1508   ;;
1509   --enable-auth-pam) auth_pam="yes"
1510   ;;
1511   --enable-rdma) rdma="yes"
1512   ;;
1513   --disable-rdma) rdma="no"
1514   ;;
1515   --enable-pvrdma) pvrdma="yes"
1516   ;;
1517   --disable-pvrdma) pvrdma="no"
1518   ;;
1519   --disable-vte) vte="no"
1520   ;;
1521   --enable-vte) vte="yes"
1522   ;;
1523   --disable-virglrenderer) virglrenderer="no"
1524   ;;
1525   --enable-virglrenderer) virglrenderer="yes"
1526   ;;
1527   --disable-tpm) tpm="no"
1528   ;;
1529   --enable-tpm) tpm="yes"
1530   ;;
1531   --disable-libssh) libssh="no"
1532   ;;
1533   --enable-libssh) libssh="yes"
1534   ;;
1535   --disable-live-block-migration) live_block_migration="no"
1536   ;;
1537   --enable-live-block-migration) live_block_migration="yes"
1538   ;;
1539   --disable-numa) numa="no"
1540   ;;
1541   --enable-numa) numa="yes"
1542   ;;
1543   --disable-libxml2) libxml2="no"
1544   ;;
1545   --enable-libxml2) libxml2="yes"
1546   ;;
1547   --disable-tcmalloc) tcmalloc="no"
1548   ;;
1549   --enable-tcmalloc) tcmalloc="yes"
1550   ;;
1551   --disable-jemalloc) jemalloc="no"
1552   ;;
1553   --enable-jemalloc) jemalloc="yes"
1554   ;;
1555   --disable-replication) replication="no"
1556   ;;
1557   --enable-replication) replication="yes"
1558   ;;
1559   --disable-bochs) bochs="no"
1560   ;;
1561   --enable-bochs) bochs="yes"
1562   ;;
1563   --disable-cloop) cloop="no"
1564   ;;
1565   --enable-cloop) cloop="yes"
1566   ;;
1567   --disable-dmg) dmg="no"
1568   ;;
1569   --enable-dmg) dmg="yes"
1570   ;;
1571   --disable-qcow1) qcow1="no"
1572   ;;
1573   --enable-qcow1) qcow1="yes"
1574   ;;
1575   --disable-vdi) vdi="no"
1576   ;;
1577   --enable-vdi) vdi="yes"
1578   ;;
1579   --disable-vvfat) vvfat="no"
1580   ;;
1581   --enable-vvfat) vvfat="yes"
1582   ;;
1583   --disable-qed) qed="no"
1584   ;;
1585   --enable-qed) qed="yes"
1586   ;;
1587   --disable-parallels) parallels="no"
1588   ;;
1589   --enable-parallels) parallels="yes"
1590   ;;
1591   --disable-sheepdog) sheepdog="no"
1592   ;;
1593   --enable-sheepdog) sheepdog="yes"
1594   ;;
1595   --disable-vhost-user) vhost_user="no"
1596   ;;
1597   --enable-vhost-user) vhost_user="yes"
1598   ;;
1599   --disable-vhost-vdpa) vhost_vdpa="no"
1600   ;;
1601   --enable-vhost-vdpa) vhost_vdpa="yes"
1602   ;;
1603   --disable-vhost-kernel) vhost_kernel="no"
1604   ;;
1605   --enable-vhost-kernel) vhost_kernel="yes"
1606   ;;
1607   --disable-capstone) capstone="no"
1608   ;;
1609   --enable-capstone) capstone="yes"
1610   ;;
1611   --enable-capstone=git) capstone="git"
1612   ;;
1613   --enable-capstone=system) capstone="system"
1614   ;;
1615   --with-git=*) git="$optarg"
1616   ;;
1617   --enable-git-update) git_update=yes
1618   ;;
1619   --disable-git-update) git_update=no
1620   ;;
1621   --enable-debug-mutex) debug_mutex=yes
1622   ;;
1623   --disable-debug-mutex) debug_mutex=no
1624   ;;
1625   --enable-libpmem) libpmem=yes
1626   ;;
1627   --disable-libpmem) libpmem=no
1628   ;;
1629   --enable-xkbcommon) xkbcommon=yes
1630   ;;
1631   --disable-xkbcommon) xkbcommon=no
1632   ;;
1633   --enable-plugins) plugins="yes"
1634   ;;
1635   --disable-plugins) plugins="no"
1636   ;;
1637   --enable-containers) use_containers="yes"
1638   ;;
1639   --disable-containers) use_containers="no"
1640   ;;
1641   --enable-fuzzing) fuzzing=yes
1642   ;;
1643   --disable-fuzzing) fuzzing=no
1644   ;;
1645   --gdb=*) gdb_bin="$optarg"
1646   ;;
1647   --enable-rng-none) rng_none=yes
1648   ;;
1649   --disable-rng-none) rng_none=no
1650   ;;
1651   --enable-keyring) secret_keyring="yes"
1652   ;;
1653   --disable-keyring) secret_keyring="no"
1654   ;;
1655   --enable-libdaxctl) libdaxctl=yes
1656   ;;
1657   --disable-libdaxctl) libdaxctl=no
1658   ;;
1659   *)
1660       echo "ERROR: unknown option $opt"
1661       echo "Try '$0 --help' for more information"
1662       exit 1
1663   ;;
1664   esac
1665 done
1666
1667 libdir="${libdir:-$prefix/lib}"
1668 libexecdir="${libexecdir:-$prefix/libexec}"
1669 includedir="${includedir:-$prefix/include}"
1670
1671 if test "$mingw32" = "yes" ; then
1672     mandir="$prefix"
1673     datadir="$prefix"
1674     qemu_docdir="$prefix"
1675     bindir="$prefix"
1676     sysconfdir="$prefix"
1677     local_statedir=
1678 else
1679     mandir="${mandir:-$prefix/share/man}"
1680     datadir="${datadir:-$prefix/share}"
1681     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1682     bindir="${bindir:-$prefix/bin}"
1683     sysconfdir="${sysconfdir:-$prefix/etc}"
1684     local_statedir="${local_statedir:-$prefix/var}"
1685 fi
1686
1687 case "$cpu" in
1688     ppc)
1689            CPU_CFLAGS="-m32"
1690            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1691            ;;
1692     ppc64)
1693            CPU_CFLAGS="-m64"
1694            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1695            ;;
1696     sparc)
1697            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1698            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1699            ;;
1700     sparc64)
1701            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1702            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1703            ;;
1704     s390)
1705            CPU_CFLAGS="-m31"
1706            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1707            ;;
1708     s390x)
1709            CPU_CFLAGS="-m64"
1710            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1711            ;;
1712     i386)
1713            CPU_CFLAGS="-m32"
1714            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1715            ;;
1716     x86_64)
1717            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1718            # If we truly care, we should simply detect this case at
1719            # runtime and generate the fallback to serial emulation.
1720            CPU_CFLAGS="-m64 -mcx16"
1721            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1722            ;;
1723     x32)
1724            CPU_CFLAGS="-mx32"
1725            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1726            ;;
1727     # No special flags required for other host CPUs
1728 esac
1729
1730 eval "cross_cc_${cpu}=\$host_cc"
1731 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1732 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1733
1734 # For user-mode emulation the host arch has to be one we explicitly
1735 # support, even if we're using TCI.
1736 if [ "$ARCH" = "unknown" ]; then
1737   bsd_user="no"
1738   linux_user="no"
1739 fi
1740
1741 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1742   tcg="no"
1743 fi
1744
1745 default_target_list=""
1746
1747 mak_wilds=""
1748
1749 if [ "$softmmu" = "yes" ]; then
1750     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1751 fi
1752 if [ "$linux_user" = "yes" ]; then
1753     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1754 fi
1755 if [ "$bsd_user" = "yes" ]; then
1756     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1757 fi
1758
1759 if test -z "$target_list_exclude"; then
1760     for config in $mak_wilds; do
1761         default_target_list="${default_target_list} $(basename "$config" .mak)"
1762     done
1763 else
1764     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1765     for config in $mak_wilds; do
1766         target="$(basename "$config" .mak)"
1767         exclude="no"
1768         for excl in $exclude_list; do
1769             if test "$excl" = "$target"; then
1770                 exclude="yes"
1771                 break;
1772             fi
1773         done
1774         if test "$exclude" = "no"; then
1775             default_target_list="${default_target_list} $target"
1776         fi
1777     done
1778 fi
1779
1780 # Enumerate public trace backends for --help output
1781 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1782
1783 if test x"$show_help" = x"yes" ; then
1784 cat << EOF
1785
1786 Usage: configure [options]
1787 Options: [defaults in brackets after descriptions]
1788
1789 Standard options:
1790   --help                   print this message
1791   --prefix=PREFIX          install in PREFIX [$prefix]
1792   --interp-prefix=PREFIX   where to find shared libraries, etc.
1793                            use %M for cpu name [$interp_prefix]
1794   --target-list=LIST       set target list (default: build everything)
1795 $(echo Available targets: $default_target_list | \
1796   fold -s -w 53 | sed -e 's/^/                           /')
1797   --target-list-exclude=LIST exclude a set of targets from the default target-list
1798
1799 Advanced options (experts only):
1800   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1801   --cc=CC                  use C compiler CC [$cc]
1802   --iasl=IASL              use ACPI compiler IASL [$iasl]
1803   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1804                            build time
1805   --cxx=CXX                use C++ compiler CXX [$cxx]
1806   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1807   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1808   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1809   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1810   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1811   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1812   --make=MAKE              use specified make [$make]
1813   --install=INSTALL        use specified install [$install]
1814   --python=PYTHON          use specified python [$python]
1815   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1816   --meson=MESON            use specified meson [$meson]
1817   --smbd=SMBD              use specified smbd [$smbd]
1818   --with-git=GIT           use specified git [$git]
1819   --static                 enable static build [$static]
1820   --mandir=PATH            install man pages in PATH
1821   --datadir=PATH           install firmware in PATH$confsuffix
1822   --docdir=PATH            install documentation in PATH$confsuffix
1823   --bindir=PATH            install binaries in PATH
1824   --libdir=PATH            install libraries in PATH
1825   --libexecdir=PATH        install helper binaries in PATH
1826   --sysconfdir=PATH        install config in PATH$confsuffix
1827   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1828   --firmwarepath=PATH      search PATH for firmware files
1829   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1830   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1831   --with-pkgversion=VERS   use specified string as sub-version of the package
1832   --enable-debug           enable common debug build options
1833   --enable-sanitizers      enable default sanitizers
1834   --enable-tsan            enable thread sanitizer
1835   --disable-strip          disable stripping binaries
1836   --disable-werror         disable compilation abort on warning
1837   --disable-stack-protector disable compiler-provided stack protection
1838   --audio-drv-list=LIST    set audio drivers list:
1839                            Available drivers: $audio_possible_drivers
1840   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1841   --block-drv-rw-whitelist=L
1842                            set block driver read-write whitelist
1843                            (affects only QEMU, not qemu-img)
1844   --block-drv-ro-whitelist=L
1845                            set block driver read-only whitelist
1846                            (affects only QEMU, not qemu-img)
1847   --enable-trace-backends=B Set trace backend
1848                            Available backends: $trace_backend_list
1849   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1850                            Default:trace-<pid>
1851   --disable-slirp          disable SLIRP userspace network connectivity
1852   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1853   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1854   --oss-lib                path to OSS library
1855   --cpu=CPU                Build for host CPU [$cpu]
1856   --with-coroutine=BACKEND coroutine backend. Supported options:
1857                            ucontext, sigaltstack, windows
1858   --enable-gcov            enable test coverage analysis with gcov
1859   --disable-blobs          disable installing provided firmware blobs
1860   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1861   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1862   --tls-priority           default TLS protocol/cipher priority string
1863   --enable-gprof           QEMU profiling with gprof
1864   --enable-profiler        profiler support
1865   --enable-debug-stack-usage
1866                            track the maximum stack usage of stacks created by qemu_alloc_stack
1867   --enable-plugins
1868                            enable plugins via shared library loading
1869   --disable-containers     don't use containers for cross-building
1870   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1871
1872 Optional features, enabled with --enable-FEATURE and
1873 disabled with --disable-FEATURE, default is enabled if available:
1874
1875   system          all system emulation targets
1876   user            supported user emulation targets
1877   linux-user      all linux usermode emulation targets
1878   bsd-user        all BSD usermode emulation targets
1879   docs            build documentation
1880   guest-agent     build the QEMU Guest Agent
1881   guest-agent-msi build guest agent Windows MSI installation package
1882   pie             Position Independent Executables
1883   modules         modules support (non-Windows)
1884   module-upgrades try to load modules from alternate paths for upgrades
1885   debug-tcg       TCG debugging (default is disabled)
1886   debug-info      debugging information
1887   sparse          sparse checker
1888   safe-stack      SafeStack Stack Smash Protection. Depends on
1889                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1890
1891   gnutls          GNUTLS cryptography support
1892   nettle          nettle cryptography support
1893   gcrypt          libgcrypt cryptography support
1894   auth-pam        PAM access control
1895   sdl             SDL UI
1896   sdl-image       SDL Image support for icons
1897   gtk             gtk UI
1898   vte             vte support for the gtk UI
1899   curses          curses UI
1900   iconv           font glyph conversion support
1901   vnc             VNC UI support
1902   vnc-sasl        SASL encryption for VNC server
1903   vnc-jpeg        JPEG lossy compression for VNC server
1904   vnc-png         PNG compression for VNC server
1905   cocoa           Cocoa UI (Mac OS X only)
1906   virtfs          VirtFS
1907   mpath           Multipath persistent reservation passthrough
1908   xen             xen backend driver support
1909   xen-pci-passthrough    PCI passthrough support for Xen
1910   brlapi          BrlAPI (Braile)
1911   curl            curl connectivity
1912   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1913   fdt             fdt device tree
1914   kvm             KVM acceleration support
1915   hax             HAX acceleration support
1916   hvf             Hypervisor.framework acceleration support
1917   whpx            Windows Hypervisor Platform acceleration support
1918   rdma            Enable RDMA-based migration
1919   pvrdma          Enable PVRDMA support
1920   vde             support for vde network
1921   netmap          support for netmap network
1922   linux-aio       Linux AIO support
1923   linux-io-uring  Linux io_uring support
1924   cap-ng          libcap-ng support
1925   attr            attr and xattr support
1926   vhost-net       vhost-net kernel acceleration support
1927   vhost-vsock     virtio sockets device support
1928   vhost-scsi      vhost-scsi kernel target support
1929   vhost-crypto    vhost-user-crypto backend support
1930   vhost-kernel    vhost kernel backend support
1931   vhost-user      vhost-user backend support
1932   vhost-vdpa      vhost-vdpa kernel backend support
1933   spice           spice
1934   rbd             rados block device (rbd)
1935   libiscsi        iscsi support
1936   libnfs          nfs support
1937   smartcard       smartcard support (libcacard)
1938   libusb          libusb (for usb passthrough)
1939   live-block-migration   Block migration in the main migration stream
1940   usb-redir       usb network redirection support
1941   lzo             support of lzo compression library
1942   snappy          support of snappy compression library
1943   bzip2           support of bzip2 compression library
1944                   (for reading bzip2-compressed dmg images)
1945   lzfse           support of lzfse compression library
1946                   (for reading lzfse-compressed dmg images)
1947   zstd            support for zstd compression library
1948                   (for migration compression and qcow2 cluster compression)
1949   seccomp         seccomp support
1950   coroutine-pool  coroutine freelist (better performance)
1951   glusterfs       GlusterFS backend
1952   tpm             TPM support
1953   libssh          ssh block device support
1954   numa            libnuma support
1955   libxml2         for Parallels image format
1956   tcmalloc        tcmalloc support
1957   jemalloc        jemalloc support
1958   avx2            AVX2 optimization support
1959   avx512f         AVX512F optimization support
1960   replication     replication support
1961   opengl          opengl support
1962   virglrenderer   virgl rendering support
1963   xfsctl          xfsctl support
1964   qom-cast-debug  cast debugging support
1965   tools           build qemu-io, qemu-nbd and qemu-img tools
1966   bochs           bochs image format support
1967   cloop           cloop image format support
1968   dmg             dmg image format support
1969   qcow1           qcow v1 image format support
1970   vdi             vdi image format support
1971   vvfat           vvfat image format support
1972   qed             qed image format support
1973   parallels       parallels image format support
1974   sheepdog        sheepdog block driver support
1975   crypto-afalg    Linux AF_ALG crypto backend driver
1976   capstone        capstone disassembler support
1977   debug-mutex     mutex debugging support
1978   libpmem         libpmem support
1979   xkbcommon       xkbcommon support
1980   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1981   libdaxctl       libdaxctl support
1982
1983 NOTE: The object files are built at the place where configure is launched
1984 EOF
1985 exit 0
1986 fi
1987
1988 # Remove old dependency files to make sure that they get properly regenerated
1989 rm -f */config-devices.mak.d
1990
1991 if test -z "$python"
1992 then
1993     error_exit "Python not found. Use --python=/path/to/python"
1994 fi
1995
1996 # Note that if the Python conditional here evaluates True we will exit
1997 # with status 1 which is a shell 'false' value.
1998 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1999   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2000       "Use --python=/path/to/python to specify a supported Python."
2001 fi
2002
2003 # Preserve python version since some functionality is dependent on it
2004 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)
2005
2006 # Suppress writing compiled files
2007 python="$python -B"
2008
2009 if test -z "$meson"; then
2010     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then
2011         meson=meson
2012     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2013         meson=git
2014     elif test -e "${source_path}/meson/meson.py" ; then
2015         meson=internal
2016     else
2017         if test "$explicit_python" = yes; then
2018             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2019         else
2020             error_exit "Meson not found.  Use --meson=/path/to/meson"
2021         fi
2022     fi
2023 else
2024     # Meson uses its own Python interpreter to invoke other Python scripts,
2025     # but the user wants to use the one they specified with --python.
2026     #
2027     # We do not want to override the distro Python interpreter (and sometimes
2028     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2029     # just require --meson=git|internal together with --python.
2030     if test "$explicit_python" = yes; then
2031         case "$meson" in
2032             git | internal) ;;
2033             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2034         esac
2035     fi
2036 fi
2037
2038 if test "$meson" = git; then
2039     git_submodules="${git_submodules} meson"
2040 fi
2041 if test "$git_update" = yes; then
2042     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2043 fi
2044
2045 case "$meson" in
2046     git | internal)
2047         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2048             error_exit "Python setuptools not found"
2049         fi
2050         meson="$python ${source_path}/meson/meson.py"
2051         ;;
2052     *) meson=$(command -v meson) ;;
2053 esac
2054
2055
2056 # Check that the C compiler works. Doing this here before testing
2057 # the host CPU ensures that we had a valid CC to autodetect the
2058 # $cpu var (and we should bail right here if that's not the case).
2059 # It also allows the help message to be printed without a CC.
2060 write_c_skeleton;
2061 if compile_object ; then
2062   : C compiler works ok
2063 else
2064     error_exit "\"$cc\" either does not exist or does not work"
2065 fi
2066 if ! compile_prog ; then
2067     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2068 fi
2069
2070 # Now we have handled --enable-tcg-interpreter and know we're not just
2071 # printing the help message, bail out if the host CPU isn't supported.
2072 if test "$ARCH" = "unknown"; then
2073     if test "$tcg_interpreter" = "yes" ; then
2074         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2075     else
2076         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2077     fi
2078 fi
2079
2080 # Consult white-list to determine whether to enable werror
2081 # by default.  Only enable by default for git builds
2082 if test -z "$werror" ; then
2083     if test -e "$source_path/.git" && \
2084         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2085         werror="yes"
2086     else
2087         werror="no"
2088     fi
2089 fi
2090
2091 if test "$bogus_os" = "yes"; then
2092     # Now that we know that we're not printing the help and that
2093     # the compiler works (so the results of the check_defines we used
2094     # to identify the OS are reliable), if we didn't recognize the
2095     # host OS we should stop now.
2096     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2097 fi
2098
2099 # Check whether the compiler matches our minimum requirements:
2100 cat > $TMPC << EOF
2101 #if defined(__clang_major__) && defined(__clang_minor__)
2102 # ifdef __apple_build_version__
2103 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2104 #   error You need at least XCode Clang v5.1 to compile QEMU
2105 #  endif
2106 # else
2107 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2108 #   error You need at least Clang v3.4 to compile QEMU
2109 #  endif
2110 # endif
2111 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2112 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2113 #  error You need at least GCC v4.8 to compile QEMU
2114 # endif
2115 #else
2116 # error You either need GCC or Clang to compiler QEMU
2117 #endif
2118 int main (void) { return 0; }
2119 EOF
2120 if ! compile_prog "" "" ; then
2121     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2122 fi
2123
2124 # Accumulate -Wfoo and -Wno-bar separately.
2125 # We will list all of the enable flags first, and the disable flags second.
2126 # Note that we do not add -Werror, because that would enable it for all
2127 # configure tests. If a configure test failed due to -Werror this would
2128 # just silently disable some features, so it's too error prone.
2129
2130 warn_flags=
2131 add_to warn_flags -Wold-style-declaration
2132 add_to warn_flags -Wold-style-definition
2133 add_to warn_flags -Wtype-limits
2134 add_to warn_flags -Wformat-security
2135 add_to warn_flags -Wformat-y2k
2136 add_to warn_flags -Winit-self
2137 add_to warn_flags -Wignored-qualifiers
2138 add_to warn_flags -Wempty-body
2139 add_to warn_flags -Wnested-externs
2140 add_to warn_flags -Wendif-labels
2141 add_to warn_flags -Wexpansion-to-defined
2142
2143 nowarn_flags=
2144 add_to nowarn_flags -Wno-initializer-overrides
2145 add_to nowarn_flags -Wno-missing-include-dirs
2146 add_to nowarn_flags -Wno-shift-negative-value
2147 add_to nowarn_flags -Wno-string-plus-int
2148 add_to nowarn_flags -Wno-typedef-redefinition
2149 add_to nowarn_flags -Wno-tautological-type-limit-compare
2150 add_to nowarn_flags -Wno-psabi
2151
2152 gcc_flags="$warn_flags $nowarn_flags"
2153
2154 cc_has_warning_flag() {
2155     write_c_skeleton;
2156
2157     # Use the positive sense of the flag when testing for -Wno-wombat
2158     # support (gcc will happily accept the -Wno- form of unknown
2159     # warning options).
2160     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2161     compile_prog "-Werror $optflag" ""
2162 }
2163
2164 for flag in $gcc_flags; do
2165     if cc_has_warning_flag $flag ; then
2166         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2167     fi
2168 done
2169
2170 if test "$stack_protector" != "no"; then
2171   cat > $TMPC << EOF
2172 int main(int argc, char *argv[])
2173 {
2174     char arr[64], *p = arr, *c = argv[0];
2175     while (*c) {
2176         *p++ = *c++;
2177     }
2178     return 0;
2179 }
2180 EOF
2181   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2182   sp_on=0
2183   for flag in $gcc_flags; do
2184     # We need to check both a compile and a link, since some compiler
2185     # setups fail only on a .c->.o compile and some only at link time
2186     if compile_object "-Werror $flag" &&
2187        compile_prog "-Werror $flag" ""; then
2188       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2189       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2190       sp_on=1
2191       break
2192     fi
2193   done
2194   if test "$stack_protector" = yes; then
2195     if test $sp_on = 0; then
2196       error_exit "Stack protector not supported"
2197     fi
2198   fi
2199 fi
2200
2201 # Disable -Wmissing-braces on older compilers that warn even for
2202 # the "universal" C zero initializer {0}.
2203 cat > $TMPC << EOF
2204 struct {
2205   int a[2];
2206 } x = {0};
2207 EOF
2208 if compile_object "-Werror" "" ; then
2209   :
2210 else
2211   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2212 fi
2213
2214 # Our module code doesn't support Windows
2215 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2216   error_exit "Modules are not available for Windows"
2217 fi
2218
2219 # module_upgrades is only reasonable if modules are enabled
2220 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2221   error_exit "Can't enable module-upgrades as Modules are not enabled"
2222 fi
2223
2224 # Static linking is not possible with modules or PIE
2225 if test "$static" = "yes" ; then
2226   if test "$modules" = "yes" ; then
2227     error_exit "static and modules are mutually incompatible"
2228   fi
2229 fi
2230
2231 # Unconditional check for compiler __thread support
2232   cat > $TMPC << EOF
2233 static __thread int tls_var;
2234 int main(void) { return tls_var; }
2235 EOF
2236
2237 if ! compile_prog "-Werror" "" ; then
2238     error_exit "Your compiler does not support the __thread specifier for " \
2239         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2240 fi
2241
2242 cat > $TMPC << EOF
2243
2244 #ifdef __linux__
2245 #  define THREAD __thread
2246 #else
2247 #  define THREAD
2248 #endif
2249 static THREAD int tls_var;
2250 int main(void) { return tls_var; }
2251 EOF
2252
2253 # Check we support --no-pie first; we will need this for building ROMs.
2254 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2255   CFLAGS_NOPIE="-fno-pie"
2256   LDFLAGS_NOPIE="-no-pie"
2257 fi
2258
2259 if test "$static" = "yes"; then
2260   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2261     CFLAGS="-fPIE -DPIE $CFLAGS"
2262     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2263     pie="yes"
2264   elif test "$pie" = "yes"; then
2265     error_exit "-static-pie not available due to missing toolchain support"
2266   else
2267     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2268     pie="no"
2269   fi
2270 elif test "$pie" = "no"; then
2271   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2272   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2273 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2274   CFLAGS="-fPIE -DPIE $CFLAGS"
2275   LDFLAGS="-pie $LDFLAGS"
2276   pie="yes"
2277 elif test "$pie" = "yes"; then
2278   error_exit "PIE not available due to missing toolchain support"
2279 else
2280   echo "Disabling PIE due to missing toolchain support"
2281   pie="no"
2282 fi
2283
2284 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2285 # The combination is known as "full relro", because .got.plt is read-only too.
2286 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2287   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2288 fi
2289
2290 ##########################################
2291 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2292 # use i686 as default anyway, but for those that don't, an explicit
2293 # specification is necessary
2294
2295 if test "$cpu" = "i386"; then
2296   cat > $TMPC << EOF
2297 static int sfaa(int *ptr)
2298 {
2299   return __sync_fetch_and_and(ptr, 0);
2300 }
2301
2302 int main(void)
2303 {
2304   int val = 42;
2305   val = __sync_val_compare_and_swap(&val, 0, 1);
2306   sfaa(&val);
2307   return val;
2308 }
2309 EOF
2310   if ! compile_prog "" "" ; then
2311     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2312   fi
2313 fi
2314
2315 #########################################
2316 # Solaris specific configure tool chain decisions
2317
2318 if test "$solaris" = "yes" ; then
2319   if has $install; then
2320     :
2321   else
2322     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2323         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2324         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2325   fi
2326   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2327     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2328         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2329         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2330   fi
2331   if has ar; then
2332     :
2333   else
2334     if test -f /usr/ccs/bin/ar ; then
2335       error_exit "No path includes ar" \
2336           "Add /usr/ccs/bin to your path and rerun configure"
2337     fi
2338     error_exit "No path includes ar"
2339   fi
2340 fi
2341
2342 if test -z "${target_list+xxx}" ; then
2343     for target in $default_target_list; do
2344         supported_target $target 2>/dev/null && \
2345             target_list="$target_list $target"
2346     done
2347     target_list="${target_list# }"
2348 else
2349     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2350     for target in $target_list; do
2351         # Check that we recognised the target name; this allows a more
2352         # friendly error message than if we let it fall through.
2353         case " $default_target_list " in
2354             *" $target "*)
2355                 ;;
2356             *)
2357                 error_exit "Unknown target name '$target'"
2358                 ;;
2359         esac
2360         supported_target $target || exit 1
2361     done
2362 fi
2363
2364 # see if system emulation was really requested
2365 case " $target_list " in
2366   *"-softmmu "*) softmmu=yes
2367   ;;
2368   *) softmmu=no
2369   ;;
2370 esac
2371
2372 for target in $target_list; do
2373   case "$target" in
2374     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2375       edk2_blobs="yes"
2376       ;;
2377   esac
2378 done
2379 # The EDK2 binaries are compressed with bzip2
2380 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2381   error_exit "The bzip2 program is required for building QEMU"
2382 fi
2383
2384 feature_not_found() {
2385   feature=$1
2386   remedy=$2
2387
2388   error_exit "User requested feature $feature" \
2389       "configure was not able to find it." \
2390       "$remedy"
2391 }
2392
2393 # ---
2394 # big/little endian test
2395 cat > $TMPC << EOF
2396 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2397 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2398 extern int foo(short *, short *);
2399 int main(int argc, char *argv[]) {
2400     return foo(big_endian, little_endian);
2401 }
2402 EOF
2403
2404 if compile_object ; then
2405     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2406         bigendian="yes"
2407     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2408         bigendian="no"
2409     else
2410         echo big/little test failed
2411     fi
2412 else
2413     echo big/little test failed
2414 fi
2415
2416 ##########################################
2417 # system tools
2418 if test -z "$want_tools"; then
2419     if test "$softmmu" = "no"; then
2420         want_tools=no
2421     else
2422         want_tools=yes
2423     fi
2424 fi
2425
2426 ##########################################
2427 # cocoa implies not SDL or GTK
2428 # (the cocoa UI code currently assumes it is always the active UI
2429 # and doesn't interact well with other UI frontend code)
2430 if test "$cocoa" = "yes"; then
2431     if test "$sdl" = "yes"; then
2432         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2433     fi
2434     if test "$gtk" = "yes"; then
2435         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2436     fi
2437     gtk=no
2438     sdl=no
2439 fi
2440
2441 # Some versions of Mac OS X incorrectly define SIZE_MAX
2442 cat > $TMPC << EOF
2443 #include <stdint.h>
2444 #include <stdio.h>
2445 int main(int argc, char *argv[]) {
2446     return printf("%zu", SIZE_MAX);
2447 }
2448 EOF
2449 have_broken_size_max=no
2450 if ! compile_object -Werror ; then
2451     have_broken_size_max=yes
2452 fi
2453
2454 ##########################################
2455 # L2TPV3 probe
2456
2457 cat > $TMPC <<EOF
2458 #include <sys/socket.h>
2459 #include <linux/ip.h>
2460 int main(void) { return sizeof(struct mmsghdr); }
2461 EOF
2462 if compile_prog "" "" ; then
2463   l2tpv3=yes
2464 else
2465   l2tpv3=no
2466 fi
2467
2468 if check_include "pty.h" ; then
2469   pty_h=yes
2470 else
2471   pty_h=no
2472 fi
2473
2474 cat > $TMPC <<EOF
2475 #include <sys/mman.h>
2476 int main(int argc, char *argv[]) {
2477     return mlockall(MCL_FUTURE);
2478 }
2479 EOF
2480 if compile_prog "" "" ; then
2481   have_mlockall=yes
2482 else
2483   have_mlockall=no
2484 fi
2485
2486 #########################################
2487 # vhost interdependencies and host support
2488
2489 # vhost backends
2490 test "$vhost_user" = "" && vhost_user=yes
2491 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2492   error_exit "vhost-user isn't available on win32"
2493 fi
2494 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2495 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2496   error_exit "vhost-vdpa is only available on Linux"
2497 fi
2498 test "$vhost_kernel" = "" && vhost_kernel=$linux
2499 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2500   error_exit "vhost-kernel is only available on Linux"
2501 fi
2502
2503 # vhost-kernel devices
2504 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2505 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2506   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2507 fi
2508 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2509 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2510   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2511 fi
2512
2513 # vhost-user backends
2514 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2515 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2516   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2517 fi
2518 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2519 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2520   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2521 fi
2522 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2523 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2524   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2525 fi
2526 #vhost-vdpa backends
2527 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2528 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2529   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2530 fi
2531
2532 # OR the vhost-kernel and vhost-user values for simplicity
2533 if test "$vhost_net" = ""; then
2534   test "$vhost_net_user" = "yes" && vhost_net=yes
2535   test "$vhost_kernel" = "yes" && vhost_net=yes
2536 fi
2537
2538 ##########################################
2539 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2540
2541 if test "$mingw32" = "yes"; then
2542     # Some versions of MinGW / Mingw-w64 lack localtime_r
2543     # and gmtime_r entirely.
2544     #
2545     # Some versions of Mingw-w64 define a macro for
2546     # localtime_r/gmtime_r.
2547     #
2548     # Some versions of Mingw-w64 will define functions
2549     # for localtime_r/gmtime_r, but only if you have
2550     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2551     # though, unistd.h and pthread.h both define
2552     # that for you.
2553     #
2554     # So this #undef localtime_r and #include <unistd.h>
2555     # are not in fact redundant.
2556 cat > $TMPC << EOF
2557 #include <unistd.h>
2558 #include <time.h>
2559 #undef localtime_r
2560 int main(void) { localtime_r(NULL, NULL); return 0; }
2561 EOF
2562     if compile_prog "" "" ; then
2563         localtime_r="yes"
2564     else
2565         localtime_r="no"
2566     fi
2567 fi
2568
2569 ##########################################
2570 # pkg-config probe
2571
2572 if ! has "$pkg_config_exe"; then
2573   error_exit "pkg-config binary '$pkg_config_exe' not found"
2574 fi
2575
2576 ##########################################
2577 # NPTL probe
2578
2579 if test "$linux_user" = "yes"; then
2580   cat > $TMPC <<EOF
2581 #include <sched.h>
2582 #include <linux/futex.h>
2583 int main(void) {
2584 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2585 #error bork
2586 #endif
2587   return 0;
2588 }
2589 EOF
2590   if ! compile_object ; then
2591     feature_not_found "nptl" "Install glibc and linux kernel headers."
2592   fi
2593 fi
2594
2595 ##########################################
2596 # lzo check
2597
2598 if test "$lzo" != "no" ; then
2599     cat > $TMPC << EOF
2600 #include <lzo/lzo1x.h>
2601 int main(void) { lzo_version(); return 0; }
2602 EOF
2603     if compile_prog "" "-llzo2" ; then
2604         lzo_libs="-llzo2"
2605         lzo="yes"
2606     else
2607         if test "$lzo" = "yes"; then
2608             feature_not_found "liblzo2" "Install liblzo2 devel"
2609         fi
2610         lzo="no"
2611     fi
2612 fi
2613
2614 ##########################################
2615 # snappy check
2616
2617 if test "$snappy" != "no" ; then
2618     cat > $TMPC << EOF
2619 #include <snappy-c.h>
2620 int main(void) { snappy_max_compressed_length(4096); return 0; }
2621 EOF
2622     if compile_prog "" "-lsnappy" ; then
2623         snappy_libs='-lsnappy'
2624         snappy="yes"
2625     else
2626         if test "$snappy" = "yes"; then
2627             feature_not_found "libsnappy" "Install libsnappy devel"
2628         fi
2629         snappy="no"
2630     fi
2631 fi
2632
2633 ##########################################
2634 # bzip2 check
2635
2636 if test "$bzip2" != "no" ; then
2637     cat > $TMPC << EOF
2638 #include <bzlib.h>
2639 int main(void) { BZ2_bzlibVersion(); return 0; }
2640 EOF
2641     if compile_prog "" "-lbz2" ; then
2642         bzip2="yes"
2643     else
2644         if test "$bzip2" = "yes"; then
2645             feature_not_found "libbzip2" "Install libbzip2 devel"
2646         fi
2647         bzip2="no"
2648     fi
2649 fi
2650
2651 ##########################################
2652 # lzfse check
2653
2654 if test "$lzfse" != "no" ; then
2655     cat > $TMPC << EOF
2656 #include <lzfse.h>
2657 int main(void) { lzfse_decode_scratch_size(); return 0; }
2658 EOF
2659     if compile_prog "" "-llzfse" ; then
2660         lzfse="yes"
2661     else
2662         if test "$lzfse" = "yes"; then
2663             feature_not_found "lzfse" "Install lzfse devel"
2664         fi
2665         lzfse="no"
2666     fi
2667 fi
2668
2669 ##########################################
2670 # zstd check
2671
2672 if test "$zstd" != "no" ; then
2673     libzstd_minver="1.4.0"
2674     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2675         zstd_cflags="$($pkg_config --cflags libzstd)"
2676         zstd_libs="$($pkg_config --libs libzstd)"
2677         zstd="yes"
2678     else
2679         if test "$zstd" = "yes" ; then
2680             feature_not_found "libzstd" "Install libzstd devel"
2681         fi
2682         zstd="no"
2683     fi
2684 fi
2685
2686 ##########################################
2687 # libseccomp check
2688
2689 if test "$seccomp" != "no" ; then
2690     libseccomp_minver="2.3.0"
2691     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2692         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2693         seccomp_libs="$($pkg_config --libs libseccomp)"
2694         seccomp="yes"
2695     else
2696         if test "$seccomp" = "yes" ; then
2697             feature_not_found "libseccomp" \
2698                  "Install libseccomp devel >= $libseccomp_minver"
2699         fi
2700         seccomp="no"
2701     fi
2702 fi
2703 ##########################################
2704 # xen probe
2705
2706 if test "$xen" != "no" ; then
2707   # Check whether Xen library path is specified via --extra-ldflags to avoid
2708   # overriding this setting with pkg-config output. If not, try pkg-config
2709   # to obtain all needed flags.
2710
2711   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2712      $pkg_config --exists xencontrol ; then
2713     xen_ctrl_version="$(printf '%d%02d%02d' \
2714       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2715     xen=yes
2716     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2717     xen_pc="$xen_pc xenevtchn xendevicemodel"
2718     if $pkg_config --exists xentoolcore; then
2719       xen_pc="$xen_pc xentoolcore"
2720     fi
2721     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2722     xen_cflags="$($pkg_config --cflags $xen_pc)"
2723     xen_libs="$($pkg_config --libs $xen_pc)"
2724   else
2725
2726     xen_libs="-lxenstore -lxenctrl -lxenguest"
2727     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2728
2729     # First we test whether Xen headers and libraries are available.
2730     # If no, we are done and there is no Xen support.
2731     # If yes, more tests are run to detect the Xen version.
2732
2733     # Xen (any)
2734     cat > $TMPC <<EOF
2735 #include <xenctrl.h>
2736 int main(void) {
2737   return 0;
2738 }
2739 EOF
2740     if ! compile_prog "" "$xen_libs" ; then
2741       # Xen not found
2742       if test "$xen" = "yes" ; then
2743         feature_not_found "xen" "Install xen devel"
2744       fi
2745       xen=no
2746
2747     # Xen unstable
2748     elif
2749         cat > $TMPC <<EOF &&
2750 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2751 #define __XEN_TOOLS__
2752 #include <xendevicemodel.h>
2753 #include <xenforeignmemory.h>
2754 int main(void) {
2755   xendevicemodel_handle *xd;
2756   xenforeignmemory_handle *xfmem;
2757
2758   xd = xendevicemodel_open(0, 0);
2759   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2760
2761   xfmem = xenforeignmemory_open(0, 0);
2762   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2763
2764   return 0;
2765 }
2766 EOF
2767         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2768       then
2769       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2770       xen_ctrl_version=41100
2771       xen=yes
2772     elif
2773         cat > $TMPC <<EOF &&
2774 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2775 #include <xenforeignmemory.h>
2776 #include <xentoolcore.h>
2777 int main(void) {
2778   xenforeignmemory_handle *xfmem;
2779
2780   xfmem = xenforeignmemory_open(0, 0);
2781   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2782   xentoolcore_restrict_all(0);
2783
2784   return 0;
2785 }
2786 EOF
2787         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2788       then
2789       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2790       xen_ctrl_version=41000
2791       xen=yes
2792     elif
2793         cat > $TMPC <<EOF &&
2794 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2795 #define __XEN_TOOLS__
2796 #include <xendevicemodel.h>
2797 int main(void) {
2798   xendevicemodel_handle *xd;
2799
2800   xd = xendevicemodel_open(0, 0);
2801   xendevicemodel_close(xd);
2802
2803   return 0;
2804 }
2805 EOF
2806         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2807       then
2808       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2809       xen_ctrl_version=40900
2810       xen=yes
2811     elif
2812         cat > $TMPC <<EOF &&
2813 /*
2814  * If we have stable libs the we don't want the libxc compat
2815  * layers, regardless of what CFLAGS we may have been given.
2816  *
2817  * Also, check if xengnttab_grant_copy_segment_t is defined and
2818  * grant copy operation is implemented.
2819  */
2820 #undef XC_WANT_COMPAT_EVTCHN_API
2821 #undef XC_WANT_COMPAT_GNTTAB_API
2822 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2823 #include <xenctrl.h>
2824 #include <xenstore.h>
2825 #include <xenevtchn.h>
2826 #include <xengnttab.h>
2827 #include <xenforeignmemory.h>
2828 #include <stdint.h>
2829 #include <xen/hvm/hvm_info_table.h>
2830 #if !defined(HVM_MAX_VCPUS)
2831 # error HVM_MAX_VCPUS not defined
2832 #endif
2833 int main(void) {
2834   xc_interface *xc = NULL;
2835   xenforeignmemory_handle *xfmem;
2836   xenevtchn_handle *xe;
2837   xengnttab_handle *xg;
2838   xengnttab_grant_copy_segment_t* seg = NULL;
2839
2840   xs_daemon_open();
2841
2842   xc = xc_interface_open(0, 0, 0);
2843   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2844   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2845   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2846   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2847
2848   xfmem = xenforeignmemory_open(0, 0);
2849   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2850
2851   xe = xenevtchn_open(0, 0);
2852   xenevtchn_fd(xe);
2853
2854   xg = xengnttab_open(0, 0);
2855   xengnttab_grant_copy(xg, 0, seg);
2856
2857   return 0;
2858 }
2859 EOF
2860         compile_prog "" "$xen_libs $xen_stable_libs"
2861       then
2862       xen_ctrl_version=40800
2863       xen=yes
2864     elif
2865         cat > $TMPC <<EOF &&
2866 /*
2867  * If we have stable libs the we don't want the libxc compat
2868  * layers, regardless of what CFLAGS we may have been given.
2869  */
2870 #undef XC_WANT_COMPAT_EVTCHN_API
2871 #undef XC_WANT_COMPAT_GNTTAB_API
2872 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2873 #include <xenctrl.h>
2874 #include <xenstore.h>
2875 #include <xenevtchn.h>
2876 #include <xengnttab.h>
2877 #include <xenforeignmemory.h>
2878 #include <stdint.h>
2879 #include <xen/hvm/hvm_info_table.h>
2880 #if !defined(HVM_MAX_VCPUS)
2881 # error HVM_MAX_VCPUS not defined
2882 #endif
2883 int main(void) {
2884   xc_interface *xc = NULL;
2885   xenforeignmemory_handle *xfmem;
2886   xenevtchn_handle *xe;
2887   xengnttab_handle *xg;
2888
2889   xs_daemon_open();
2890
2891   xc = xc_interface_open(0, 0, 0);
2892   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2893   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2894   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2895   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2896
2897   xfmem = xenforeignmemory_open(0, 0);
2898   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2899
2900   xe = xenevtchn_open(0, 0);
2901   xenevtchn_fd(xe);
2902
2903   xg = xengnttab_open(0, 0);
2904   xengnttab_map_grant_ref(xg, 0, 0, 0);
2905
2906   return 0;
2907 }
2908 EOF
2909         compile_prog "" "$xen_libs $xen_stable_libs"
2910       then
2911       xen_ctrl_version=40701
2912       xen=yes
2913
2914     # Xen 4.6
2915     elif
2916         cat > $TMPC <<EOF &&
2917 #include <xenctrl.h>
2918 #include <xenstore.h>
2919 #include <stdint.h>
2920 #include <xen/hvm/hvm_info_table.h>
2921 #if !defined(HVM_MAX_VCPUS)
2922 # error HVM_MAX_VCPUS not defined
2923 #endif
2924 int main(void) {
2925   xc_interface *xc;
2926   xs_daemon_open();
2927   xc = xc_interface_open(0, 0, 0);
2928   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2929   xc_gnttab_open(NULL, 0);
2930   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2931   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2932   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2933   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2934   return 0;
2935 }
2936 EOF
2937         compile_prog "" "$xen_libs"
2938       then
2939       xen_ctrl_version=40600
2940       xen=yes
2941
2942     # Xen 4.5
2943     elif
2944         cat > $TMPC <<EOF &&
2945 #include <xenctrl.h>
2946 #include <xenstore.h>
2947 #include <stdint.h>
2948 #include <xen/hvm/hvm_info_table.h>
2949 #if !defined(HVM_MAX_VCPUS)
2950 # error HVM_MAX_VCPUS not defined
2951 #endif
2952 int main(void) {
2953   xc_interface *xc;
2954   xs_daemon_open();
2955   xc = xc_interface_open(0, 0, 0);
2956   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2957   xc_gnttab_open(NULL, 0);
2958   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2959   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2960   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2961   return 0;
2962 }
2963 EOF
2964         compile_prog "" "$xen_libs"
2965       then
2966       xen_ctrl_version=40500
2967       xen=yes
2968
2969     elif
2970         cat > $TMPC <<EOF &&
2971 #include <xenctrl.h>
2972 #include <xenstore.h>
2973 #include <stdint.h>
2974 #include <xen/hvm/hvm_info_table.h>
2975 #if !defined(HVM_MAX_VCPUS)
2976 # error HVM_MAX_VCPUS not defined
2977 #endif
2978 int main(void) {
2979   xc_interface *xc;
2980   xs_daemon_open();
2981   xc = xc_interface_open(0, 0, 0);
2982   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2983   xc_gnttab_open(NULL, 0);
2984   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2985   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2986   return 0;
2987 }
2988 EOF
2989         compile_prog "" "$xen_libs"
2990       then
2991       xen_ctrl_version=40200
2992       xen=yes
2993
2994     else
2995       if test "$xen" = "yes" ; then
2996         feature_not_found "xen (unsupported version)" \
2997                           "Install a supported xen (xen 4.2 or newer)"
2998       fi
2999       xen=no
3000     fi
3001
3002     if test "$xen" = yes; then
3003       if test $xen_ctrl_version -ge 40701  ; then
3004         xen_libs="$xen_libs $xen_stable_libs "
3005       fi
3006     fi
3007   fi
3008 fi
3009
3010 if test "$xen_pci_passthrough" != "no"; then
3011   if test "$xen" = "yes" && test "$linux" = "yes"; then
3012     xen_pci_passthrough=yes
3013   else
3014     if test "$xen_pci_passthrough" = "yes"; then
3015       error_exit "User requested feature Xen PCI Passthrough" \
3016           " but this feature requires /sys from Linux"
3017     fi
3018     xen_pci_passthrough=no
3019   fi
3020 fi
3021
3022 ##########################################
3023 # Windows Hypervisor Platform accelerator (WHPX) check
3024 if test "$whpx" != "no" ; then
3025     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3026         whpx="yes"
3027     else
3028         if test "$whpx" = "yes"; then
3029             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3030         fi
3031         whpx="no"
3032     fi
3033 fi
3034
3035 ##########################################
3036 # Sparse probe
3037 if test "$sparse" != "no" ; then
3038   if has sparse; then
3039     sparse=yes
3040   else
3041     if test "$sparse" = "yes" ; then
3042       feature_not_found "sparse" "Install sparse binary"
3043     fi
3044     sparse=no
3045   fi
3046 fi
3047
3048 ##########################################
3049 # X11 probe
3050 if $pkg_config --exists "x11"; then
3051     have_x11=yes
3052     x11_cflags=$($pkg_config --cflags x11)
3053     x11_libs=$($pkg_config --libs x11)
3054 fi
3055
3056 ##########################################
3057 # GTK probe
3058
3059 if test "$gtk" != "no"; then
3060     gtkpackage="gtk+-3.0"
3061     gtkx11package="gtk+-x11-3.0"
3062     gtkversion="3.22.0"
3063     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3064         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3065         gtk_libs=$($pkg_config --libs $gtkpackage)
3066         gtk_version=$($pkg_config --modversion $gtkpackage)
3067         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3068             need_x11=yes
3069             gtk_cflags="$gtk_cflags $x11_cflags"
3070             gtk_libs="$gtk_libs $x11_libs"
3071         fi
3072         gtk="yes"
3073     elif test "$gtk" = "yes"; then
3074         feature_not_found "gtk" "Install gtk3-devel"
3075     else
3076         gtk="no"
3077     fi
3078 fi
3079
3080
3081 ##########################################
3082 # GNUTLS probe
3083
3084 if test "$gnutls" != "no"; then
3085     pass="no"
3086     if $pkg_config --exists "gnutls >= 3.1.18"; then
3087         gnutls_cflags=$($pkg_config --cflags gnutls)
3088         gnutls_libs=$($pkg_config --libs gnutls)
3089         # Packaging for the static libraries is not always correct.
3090         # At least ubuntu 18.04 ships only shared libraries.
3091         write_c_skeleton
3092         if compile_prog "" "$gnutls_libs" ; then
3093             LIBS="$gnutls_libs $LIBS"
3094             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3095             pass="yes"
3096         fi
3097     fi
3098     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3099         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3100     else
3101         gnutls="$pass"
3102     fi
3103 fi
3104
3105
3106 # If user didn't give a --disable/enable-gcrypt flag,
3107 # then mark as disabled if user requested nettle
3108 # explicitly
3109 if test -z "$gcrypt"
3110 then
3111     if test "$nettle" = "yes"
3112     then
3113         gcrypt="no"
3114     fi
3115 fi
3116
3117 # If user didn't give a --disable/enable-nettle flag,
3118 # then mark as disabled if user requested gcrypt
3119 # explicitly
3120 if test -z "$nettle"
3121 then
3122     if test "$gcrypt" = "yes"
3123     then
3124         nettle="no"
3125     fi
3126 fi
3127
3128 has_libgcrypt() {
3129     if ! has "libgcrypt-config"
3130     then
3131         return 1
3132     fi
3133
3134     if test -n "$cross_prefix"
3135     then
3136         host=$(libgcrypt-config --host)
3137         if test "$host-" != $cross_prefix
3138         then
3139             return 1
3140         fi
3141     fi
3142
3143     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3144     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3145
3146     if test $maj != 1 || test $min -lt 5
3147     then
3148        return 1
3149     fi
3150
3151     return 0
3152 }
3153
3154
3155 if test "$nettle" != "no"; then
3156     pass="no"
3157     if $pkg_config --exists "nettle >= 2.7.1"; then
3158         nettle_cflags=$($pkg_config --cflags nettle)
3159         nettle_libs=$($pkg_config --libs nettle)
3160         nettle_version=$($pkg_config --modversion nettle)
3161         # Link test to make sure the given libraries work (e.g for static).
3162         write_c_skeleton
3163         if compile_prog "" "$nettle_libs" ; then
3164             LIBS="$nettle_libs $LIBS"
3165             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3166             if test -z "$gcrypt"; then
3167                gcrypt="no"
3168             fi
3169             pass="yes"
3170         fi
3171     fi
3172     if test "$pass" = "yes"
3173     then
3174         cat > $TMPC << EOF
3175 #include <nettle/xts.h>
3176 int main(void) {
3177   return 0;
3178 }
3179 EOF
3180         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3181             nettle_xts=yes
3182             qemu_private_xts=no
3183         fi
3184     fi
3185     if test "$pass" = "no" && test "$nettle" = "yes"; then
3186         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3187     else
3188         nettle="$pass"
3189     fi
3190 fi
3191
3192 if test "$gcrypt" != "no"; then
3193     pass="no"
3194     if has_libgcrypt; then
3195         gcrypt_cflags=$(libgcrypt-config --cflags)
3196         gcrypt_libs=$(libgcrypt-config --libs)
3197         # Debian has removed -lgpg-error from libgcrypt-config
3198         # as it "spreads unnecessary dependencies" which in
3199         # turn breaks static builds...
3200         if test "$static" = "yes"
3201         then
3202             gcrypt_libs="$gcrypt_libs -lgpg-error"
3203         fi
3204
3205         # Link test to make sure the given libraries work (e.g for static).
3206         write_c_skeleton
3207         if compile_prog "" "$gcrypt_libs" ; then
3208             LIBS="$gcrypt_libs $LIBS"
3209             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3210             pass="yes"
3211         fi
3212     fi
3213     if test "$pass" = "yes"; then
3214         gcrypt="yes"
3215         cat > $TMPC << EOF
3216 #include <gcrypt.h>
3217 int main(void) {
3218   gcry_mac_hd_t handle;
3219   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3220                 GCRY_MAC_FLAG_SECURE, NULL);
3221   return 0;
3222 }
3223 EOF
3224         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3225             gcrypt_hmac=yes
3226         fi
3227         cat > $TMPC << EOF
3228 #include <gcrypt.h>
3229 int main(void) {
3230   gcry_cipher_hd_t handle;
3231   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3232   return 0;
3233 }
3234 EOF
3235         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3236             gcrypt_xts=yes
3237             qemu_private_xts=no
3238         fi
3239     elif test "$gcrypt" = "yes"; then
3240         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3241     else
3242         gcrypt="no"
3243     fi
3244 fi
3245
3246
3247 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3248 then
3249     error_exit "Only one of gcrypt & nettle can be enabled"
3250 fi
3251
3252 ##########################################
3253 # libtasn1 - only for the TLS creds/session test suite
3254
3255 tasn1=yes
3256 tasn1_cflags=""
3257 tasn1_libs=""
3258 if $pkg_config --exists "libtasn1"; then
3259     tasn1_cflags=$($pkg_config --cflags libtasn1)
3260     tasn1_libs=$($pkg_config --libs libtasn1)
3261 else
3262     tasn1=no
3263 fi
3264
3265
3266 ##########################################
3267 # PAM probe
3268
3269 if test "$auth_pam" != "no"; then
3270     cat > $TMPC <<EOF
3271 #include <security/pam_appl.h>
3272 #include <stdio.h>
3273 int main(void) {
3274    const char *service_name = "qemu";
3275    const char *user = "frank";
3276    const struct pam_conv pam_conv = { 0 };
3277    pam_handle_t *pamh = NULL;
3278    pam_start(service_name, user, &pam_conv, &pamh);
3279    return 0;
3280 }
3281 EOF
3282     if compile_prog "" "-lpam" ; then
3283         auth_pam=yes
3284     else
3285         if test "$auth_pam" = "yes"; then
3286             feature_not_found "PAM" "Install PAM development package"
3287         else
3288             auth_pam=no
3289         fi
3290     fi
3291 fi
3292
3293 ##########################################
3294 # getifaddrs (for tests/test-io-channel-socket )
3295
3296 have_ifaddrs_h=yes
3297 if ! check_include "ifaddrs.h" ; then
3298   have_ifaddrs_h=no
3299 fi
3300
3301 #########################################
3302 # libdrm check
3303 have_drm_h=no
3304 if check_include "libdrm/drm.h" ; then
3305     have_drm_h=yes
3306 fi
3307
3308 #########################################
3309 # sys/signal.h check
3310 have_sys_signal_h=no
3311 if check_include "sys/signal.h" ; then
3312   have_sys_signal_h=yes
3313 fi
3314
3315 ##########################################
3316 # VTE probe
3317
3318 if test "$vte" != "no"; then
3319     vteminversion="0.32.0"
3320     if $pkg_config --exists "vte-2.91"; then
3321       vtepackage="vte-2.91"
3322     else
3323       vtepackage="vte-2.90"
3324     fi
3325     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3326         vte_cflags=$($pkg_config --cflags $vtepackage)
3327         vte_libs=$($pkg_config --libs $vtepackage)
3328         vteversion=$($pkg_config --modversion $vtepackage)
3329         vte="yes"
3330     elif test "$vte" = "yes"; then
3331         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3332     else
3333         vte="no"
3334     fi
3335 fi
3336
3337 ##########################################
3338 # SDL probe
3339
3340 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3341 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3342
3343 sdl_probe ()
3344 {
3345   if $pkg_config sdl2 --exists; then
3346     sdlconfig="$pkg_config sdl2"
3347     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3348   elif has "$sdl2_config"; then
3349     sdlconfig="$sdl2_config"
3350     sdlversion=$($sdlconfig --version)
3351   else
3352     if test "$sdl" = "yes" ; then
3353       feature_not_found "sdl" "Install SDL2-devel"
3354     fi
3355     sdl=no
3356     # no need to do the rest
3357     return
3358   fi
3359   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3360     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3361   fi
3362
3363   cat > $TMPC << EOF
3364 #include <SDL.h>
3365 #undef main /* We don't want SDL to override our main() */
3366 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3367 EOF
3368   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3369   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3370   if test "$static" = "yes" ; then
3371     if $pkg_config sdl2 --exists; then
3372       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3373     else
3374       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3375     fi
3376   else
3377     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3378   fi
3379   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3380     sdl=yes
3381
3382     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3383     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3384       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3385          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3386          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3387       fi
3388       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3389         :
3390       else
3391         sdl=no
3392       fi
3393     fi # static link
3394   else # sdl not found
3395     if test "$sdl" = "yes" ; then
3396       feature_not_found "sdl" "Install SDL2 devel"
3397     fi
3398     sdl=no
3399   fi # sdl compile test
3400 }
3401
3402 sdl_image_probe ()
3403 {
3404     if test "$sdl_image" != "no" ; then
3405         if $pkg_config SDL2_image --exists; then
3406             if test "$static" = "yes"; then
3407                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3408             else
3409                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3410             fi
3411             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3412             sdl_image=yes
3413
3414             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3415             sdl_libs="$sdl_libs $sdl_image_libs"
3416         else
3417             if test "$sdl_image" = "yes" ; then
3418                 feature_not_found "sdl_image" "Install SDL Image devel"
3419             else
3420                 sdl_image=no
3421             fi
3422         fi
3423     fi
3424 }
3425
3426 if test "$sdl" != "no" ; then
3427   sdl_probe
3428 fi
3429
3430 if test "$sdl" = "yes" ; then
3431   sdl_image_probe
3432 else
3433   if test "$sdl_image" = "yes"; then
3434     echo "warning: SDL Image requested, but SDL is not available, disabling"
3435   fi
3436   sdl_image=no
3437 fi
3438
3439 if test "$sdl" = "yes" ; then
3440   cat > $TMPC <<EOF
3441 #include <SDL.h>
3442 #if defined(SDL_VIDEO_DRIVER_X11)
3443 #include <X11/XKBlib.h>
3444 #else
3445 #error No x11 support
3446 #endif
3447 int main(void) { return 0; }
3448 EOF
3449   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3450     need_x11=yes
3451     sdl_cflags="$sdl_cflags $x11_cflags"
3452     sdl_libs="$sdl_libs $x11_libs"
3453   fi
3454 fi
3455
3456 ##########################################
3457 # RDMA needs OpenFabrics libraries
3458 if test "$rdma" != "no" ; then
3459   cat > $TMPC <<EOF
3460 #include <rdma/rdma_cma.h>
3461 int main(void) { return 0; }
3462 EOF
3463   rdma_libs="-lrdmacm -libverbs -libumad"
3464   if compile_prog "" "$rdma_libs" ; then
3465     rdma="yes"
3466   else
3467     if test "$rdma" = "yes" ; then
3468         error_exit \
3469             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3470             " Your options:" \
3471             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3472             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3473             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3474     fi
3475     rdma="no"
3476   fi
3477 fi
3478
3479 ##########################################
3480 # PVRDMA detection
3481
3482 cat > $TMPC <<EOF &&
3483 #include <sys/mman.h>
3484
3485 int
3486 main(void)
3487 {
3488     char buf = 0;
3489     void *addr = &buf;
3490     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3491
3492     return 0;
3493 }
3494 EOF
3495
3496 if test "$rdma" = "yes" ; then
3497     case "$pvrdma" in
3498     "")
3499         if compile_prog "" ""; then
3500             pvrdma="yes"
3501         else
3502             pvrdma="no"
3503         fi
3504         ;;
3505     "yes")
3506         if ! compile_prog "" ""; then
3507             error_exit "PVRDMA is not supported since mremap is not implemented"
3508         fi
3509         pvrdma="yes"
3510         ;;
3511     "no")
3512         pvrdma="no"
3513         ;;
3514     esac
3515 else
3516     if test "$pvrdma" = "yes" ; then
3517         error_exit "PVRDMA requires rdma suppport"
3518     fi
3519     pvrdma="no"
3520 fi
3521
3522 # Let's see if enhanced reg_mr is supported
3523 if test "$pvrdma" = "yes" ; then
3524
3525 cat > $TMPC <<EOF &&
3526 #include <infiniband/verbs.h>
3527
3528 int
3529 main(void)
3530 {
3531     struct ibv_mr *mr;
3532     struct ibv_pd *pd = NULL;
3533     size_t length = 10;
3534     uint64_t iova = 0;
3535     int access = 0;
3536     void *addr = NULL;
3537
3538     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3539
3540     ibv_dereg_mr(mr);
3541
3542     return 0;
3543 }
3544 EOF
3545     if ! compile_prog "" "-libverbs"; then
3546         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3547     fi
3548 fi
3549
3550 ##########################################
3551 # VNC SASL detection
3552 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3553   cat > $TMPC <<EOF
3554 #include <sasl/sasl.h>
3555 #include <stdio.h>
3556 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3557 EOF
3558   # Assuming Cyrus-SASL installed in /usr prefix
3559   # QEMU defines struct iovec in "qemu/osdep.h",
3560   # we don't want libsasl to redefine it in <sasl/sasl.h>.
3561   vnc_sasl_cflags="-DSTRUCT_IOVEC_DEFINED"
3562   vnc_sasl_libs="-lsasl2"
3563   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3564     vnc_sasl=yes
3565     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3566     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3567   else
3568     if test "$vnc_sasl" = "yes" ; then
3569       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3570     fi
3571     vnc_sasl=no
3572   fi
3573 fi
3574
3575 ##########################################
3576 # VNC JPEG detection
3577 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3578 cat > $TMPC <<EOF
3579 #include <stdio.h>
3580 #include <jpeglib.h>
3581 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3582 EOF
3583     vnc_jpeg_cflags=""
3584     vnc_jpeg_libs="-ljpeg"
3585   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3586     vnc_jpeg=yes
3587     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3588     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3589   else
3590     if test "$vnc_jpeg" = "yes" ; then
3591       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3592     fi
3593     vnc_jpeg=no
3594   fi
3595 fi
3596
3597 ##########################################
3598 # VNC PNG detection
3599 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3600 cat > $TMPC <<EOF
3601 //#include <stdio.h>
3602 #include <png.h>
3603 #include <stddef.h>
3604 int main(void) {
3605     png_structp png_ptr;
3606     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3607     return png_ptr != 0;
3608 }
3609 EOF
3610   if $pkg_config libpng --exists; then
3611     vnc_png_cflags=$($pkg_config libpng --cflags)
3612     vnc_png_libs=$($pkg_config libpng --libs)
3613   else
3614     vnc_png_cflags=""
3615     vnc_png_libs="-lpng"
3616   fi
3617   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3618     vnc_png=yes
3619     libs_softmmu="$vnc_png_libs $libs_softmmu"
3620     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3621   else
3622     if test "$vnc_png" = "yes" ; then
3623       feature_not_found "vnc-png" "Install libpng devel"
3624     fi
3625     vnc_png=no
3626   fi
3627 fi
3628
3629 ##########################################
3630 # xkbcommon probe
3631 if test "$xkbcommon" != "no" ; then
3632   if $pkg_config xkbcommon --exists; then
3633     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3634     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3635     xkbcommon=yes
3636   else
3637     if test "$xkbcommon" = "yes" ; then
3638       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3639     fi
3640     xkbcommon=no
3641   fi
3642 fi
3643
3644
3645 ##########################################
3646 # xfsctl() probe, used for file-posix.c
3647 if test "$xfs" != "no" ; then
3648   cat > $TMPC << EOF
3649 #include <stddef.h>  /* NULL */
3650 #include <xfs/xfs.h>
3651 int main(void)
3652 {
3653     xfsctl(NULL, 0, 0, NULL);
3654     return 0;
3655 }
3656 EOF
3657   if compile_prog "" "" ; then
3658     xfs="yes"
3659   else
3660     if test "$xfs" = "yes" ; then
3661       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3662     fi
3663     xfs=no
3664   fi
3665 fi
3666
3667 ##########################################
3668 # vde libraries probe
3669 if test "$vde" != "no" ; then
3670   vde_libs="-lvdeplug"
3671   cat > $TMPC << EOF
3672 #include <libvdeplug.h>
3673 int main(void)
3674 {
3675     struct vde_open_args a = {0, 0, 0};
3676     char s[] = "";
3677     vde_open(s, s, &a);
3678     return 0;
3679 }
3680 EOF
3681   if compile_prog "" "$vde_libs" ; then
3682     vde=yes
3683   else
3684     if test "$vde" = "yes" ; then
3685       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3686     fi
3687     vde=no
3688   fi
3689 fi
3690
3691 ##########################################
3692 # netmap support probe
3693 # Apart from looking for netmap headers, we make sure that the host API version
3694 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3695 # a minor/major version number. Minor new features will be marked with values up
3696 # to 15, and if something happens that requires a change to the backend we will
3697 # move above 15, submit the backend fixes and modify this two bounds.
3698 if test "$netmap" != "no" ; then
3699   cat > $TMPC << EOF
3700 #include <inttypes.h>
3701 #include <net/if.h>
3702 #include <net/netmap.h>
3703 #include <net/netmap_user.h>
3704 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3705 #error
3706 #endif
3707 int main(void) { return 0; }
3708 EOF
3709   if compile_prog "" "" ; then
3710     netmap=yes
3711   else
3712     if test "$netmap" = "yes" ; then
3713       feature_not_found "netmap"
3714     fi
3715     netmap=no
3716   fi
3717 fi
3718
3719 ##########################################
3720 # libcap-ng library probe
3721 if test "$cap_ng" != "no" ; then
3722   cap_libs="-lcap-ng"
3723   cat > $TMPC << EOF
3724 #include <cap-ng.h>
3725 int main(void)
3726 {
3727     capng_capability_to_name(CAPNG_EFFECTIVE);
3728     return 0;
3729 }
3730 EOF
3731   if compile_prog "" "$cap_libs" ; then
3732     cap_ng=yes
3733   else
3734     if test "$cap_ng" = "yes" ; then
3735       feature_not_found "cap_ng" "Install libcap-ng devel"
3736     fi
3737     cap_ng=no
3738   fi
3739 fi
3740
3741 ##########################################
3742 # Sound support libraries probe
3743
3744 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3745 for drv in $audio_drv_list; do
3746     case $drv in
3747     alsa | try-alsa)
3748     if $pkg_config alsa --exists; then
3749         alsa_libs=$($pkg_config alsa --libs)
3750         alsa_cflags=$($pkg_config alsa --cflags)
3751         alsa=yes
3752         if test "$drv" = "try-alsa"; then
3753             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3754         fi
3755     else
3756         if test "$drv" = "try-alsa"; then
3757             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3758         else
3759             error_exit "$drv check failed" \
3760                 "Make sure to have the $drv libs and headers installed."
3761         fi
3762     fi
3763     ;;
3764
3765     pa | try-pa)
3766     if $pkg_config libpulse --exists; then
3767         libpulse=yes
3768         pulse_libs=$($pkg_config libpulse --libs)
3769         pulse_cflags=$($pkg_config libpulse --cflags)
3770         if test "$drv" = "try-pa"; then
3771             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3772         fi
3773     else
3774         if test "$drv" = "try-pa"; then
3775             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3776         else
3777             error_exit "$drv check failed" \
3778                 "Make sure to have the $drv libs and headers installed."
3779         fi
3780     fi
3781     ;;
3782
3783     sdl)
3784     if test "$sdl" = "no"; then
3785         error_exit "sdl not found or disabled, can not use sdl audio driver"
3786     fi
3787     ;;
3788
3789     try-sdl)
3790     if test "$sdl" = "no"; then
3791         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3792     else
3793         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3794     fi
3795     ;;
3796
3797     coreaudio)
3798       coreaudio_libs="-framework CoreAudio"
3799     ;;
3800
3801     dsound)
3802       dsound_libs="-lole32 -ldxguid"
3803       audio_win_int="yes"
3804     ;;
3805
3806     oss)
3807       oss_libs="$oss_lib"
3808     ;;
3809
3810     jack | try-jack)
3811     if $pkg_config jack --exists; then
3812         libjack=yes
3813         jack_libs=$($pkg_config jack --libs)
3814         if test "$drv" = "try-jack"; then
3815             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3816         fi
3817     else
3818         if test "$drv" = "try-jack"; then
3819             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3820         else
3821             error_exit "$drv check failed" \
3822                 "Make sure to have the $drv libs and headers installed."
3823         fi
3824     fi
3825     ;;
3826
3827     *)
3828     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3829         error_exit "Unknown driver '$drv' selected" \
3830             "Possible drivers are: $audio_possible_drivers"
3831     }
3832     ;;
3833     esac
3834 done
3835
3836 ##########################################
3837 # BrlAPI probe
3838
3839 if test "$brlapi" != "no" ; then
3840   brlapi_libs="-lbrlapi"
3841   cat > $TMPC << EOF
3842 #include <brlapi.h>
3843 #include <stddef.h>
3844 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3845 EOF
3846   if compile_prog "" "$brlapi_libs" ; then
3847     brlapi=yes
3848   else
3849     if test "$brlapi" = "yes" ; then
3850       feature_not_found "brlapi" "Install brlapi devel"
3851     fi
3852     brlapi=no
3853   fi
3854 fi
3855
3856 ##########################################
3857 # iconv probe
3858 if test "$iconv" != "no" ; then
3859   cat > $TMPC << EOF
3860 #include <iconv.h>
3861 int main(void) {
3862   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3863   return conv != (iconv_t) -1;
3864 }
3865 EOF
3866   iconv_prefix_list="/usr/local:/usr"
3867   iconv_lib_list=":-liconv"
3868   IFS=:
3869   for iconv_prefix in $iconv_prefix_list; do
3870     IFS=:
3871     iconv_cflags="-I$iconv_prefix/include"
3872     iconv_ldflags="-L$iconv_prefix/lib"
3873     for iconv_link in $iconv_lib_list; do
3874       unset IFS
3875       iconv_lib="$iconv_ldflags $iconv_link"
3876       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3877       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3878         iconv_found=yes
3879         break
3880       fi
3881     done
3882     if test "$iconv_found" = yes ; then
3883       break
3884     fi
3885   done
3886   if test "$iconv_found" = "yes" ; then
3887     iconv=yes
3888   else
3889     if test "$iconv" = "yes" ; then
3890       feature_not_found "iconv" "Install iconv devel"
3891     fi
3892     iconv=no
3893   fi
3894 fi
3895
3896 ##########################################
3897 # curses probe
3898 if test "$iconv" = "no" ; then
3899   # curses will need iconv
3900   curses=no
3901 fi
3902 if test "$curses" != "no" ; then
3903   if test "$mingw32" = "yes" ; then
3904     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3905     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3906   else
3907     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3908     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3909   fi
3910   curses_found=no
3911   cat > $TMPC << EOF
3912 #include <locale.h>
3913 #include <curses.h>
3914 #include <wchar.h>
3915 #include <langinfo.h>
3916 int main(void) {
3917   const char *codeset;
3918   wchar_t wch = L'w';
3919   setlocale(LC_ALL, "");
3920   resize_term(0, 0);
3921   addwstr(L"wide chars\n");
3922   addnwstr(&wch, 1);
3923   add_wch(WACS_DEGREE);
3924   codeset = nl_langinfo(CODESET);
3925   return codeset != 0;
3926 }
3927 EOF
3928   IFS=:
3929   for curses_inc in $curses_inc_list; do
3930     # Make sure we get the wide character prototypes
3931     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3932     IFS=:
3933     for curses_lib in $curses_lib_list; do
3934       unset IFS
3935       if compile_prog "$curses_inc" "$curses_lib" ; then
3936         curses_found=yes
3937         break
3938       fi
3939     done
3940     if test "$curses_found" = yes ; then
3941       break
3942     fi
3943   done
3944   unset IFS
3945   if test "$curses_found" = "yes" ; then
3946     curses=yes
3947   else
3948     if test "$curses" = "yes" ; then
3949       feature_not_found "curses" "Install ncurses devel"
3950     fi
3951     curses=no
3952   fi
3953 fi
3954
3955 ##########################################
3956 # curl probe
3957 if test "$curl" != "no" ; then
3958   if $pkg_config libcurl --exists; then
3959     curlconfig="$pkg_config libcurl"
3960   else
3961     curlconfig=curl-config
3962   fi
3963   cat > $TMPC << EOF
3964 #include <curl/curl.h>
3965 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3966 EOF
3967   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3968   curl_libs=$($curlconfig --libs 2>/dev/null)
3969   if compile_prog "$curl_cflags" "$curl_libs" ; then
3970     curl=yes
3971   else
3972     if test "$curl" = "yes" ; then
3973       feature_not_found "curl" "Install libcurl devel"
3974     fi
3975     curl=no
3976   fi
3977 fi # test "$curl"
3978
3979 ##########################################
3980 # glib support probe
3981
3982 glib_req_ver=2.48
3983 glib_modules=gthread-2.0
3984 if test "$modules" = yes; then
3985     glib_modules="$glib_modules gmodule-export-2.0"
3986 fi
3987 if test "$plugins" = yes; then
3988     glib_modules="$glib_modules gmodule-2.0"
3989 fi
3990
3991 # This workaround is required due to a bug in pkg-config file for glib as it
3992 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3993
3994 if test "$static" = yes && test "$mingw32" = yes; then
3995     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3996 fi
3997
3998 for i in $glib_modules; do
3999     if $pkg_config --atleast-version=$glib_req_ver $i; then
4000         glib_cflags=$($pkg_config --cflags $i)
4001         glib_libs=$($pkg_config --libs $i)
4002         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
4003         LIBS="$glib_libs $LIBS"
4004     else
4005         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
4006     fi
4007 done
4008
4009 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
4010     gio=yes
4011     gio_cflags=$($pkg_config --cflags gio-2.0)
4012     gio_libs=$($pkg_config --libs gio-2.0)
4013     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
4014     if [ ! -x "$gdbus_codegen" ]; then
4015         gdbus_codegen=
4016     fi
4017 else
4018     gio=no
4019 fi
4020
4021 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
4022     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
4023     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
4024 fi
4025
4026 # Sanity check that the current size_t matches the
4027 # size that glib thinks it should be. This catches
4028 # problems on multi-arch where people try to build
4029 # 32-bit QEMU while pointing at 64-bit glib headers
4030 cat > $TMPC <<EOF
4031 #include <glib.h>
4032 #include <unistd.h>
4033
4034 #define QEMU_BUILD_BUG_ON(x) \
4035   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
4036
4037 int main(void) {
4038    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
4039    return 0;
4040 }
4041 EOF
4042
4043 if ! compile_prog "$CFLAGS" "$LIBS" ; then
4044     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
4045                "You probably need to set PKG_CONFIG_LIBDIR"\
4046                "to point to the right pkg-config files for your"\
4047                "build target"
4048 fi
4049
4050 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
4051 cat > $TMPC << EOF
4052 #include <glib.h>
4053 int main(void) { return 0; }
4054 EOF
4055 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4056     if cc_has_warning_flag "-Wno-unknown-attributes"; then
4057         glib_cflags="-Wno-unknown-attributes $glib_cflags"
4058         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
4059     fi
4060 fi
4061
4062 # Silence clang warnings triggered by glib < 2.57.2
4063 cat > $TMPC << EOF
4064 #include <glib.h>
4065 typedef struct Foo {
4066     int i;
4067 } Foo;
4068 static void foo_free(Foo *f)
4069 {
4070     g_free(f);
4071 }
4072 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
4073 int main(void) { return 0; }
4074 EOF
4075 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
4076     if cc_has_warning_flag "-Wno-unused-function"; then
4077         glib_cflags="$glib_cflags -Wno-unused-function"
4078         CFLAGS="$CFLAGS -Wno-unused-function"
4079     fi
4080 fi
4081
4082 #########################################
4083 # zlib check
4084
4085 if test "$zlib" != "no" ; then
4086     if $pkg_config --exists zlib; then
4087         zlib_cflags=$($pkg_config --cflags zlib)
4088         zlib_libs=$($pkg_config --libs zlib)
4089         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
4090         LIBS="$zlib_libs $LIBS"
4091     else
4092         cat > $TMPC << EOF
4093 #include <zlib.h>
4094 int main(void) { zlibVersion(); return 0; }
4095 EOF
4096         if compile_prog "" "-lz" ; then
4097             zlib_libs=-lz
4098             LIBS="$LIBS $zlib_libs"
4099         else
4100             error_exit "zlib check failed" \
4101                 "Make sure to have the zlib libs and headers installed."
4102         fi
4103     fi
4104 fi
4105
4106 ##########################################
4107 # SHA command probe for modules
4108 if test "$modules" = yes; then
4109     shacmd_probe="sha1sum sha1 shasum"
4110     for c in $shacmd_probe; do
4111         if has $c; then
4112             shacmd="$c"
4113             break
4114         fi
4115     done
4116     if test "$shacmd" = ""; then
4117         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
4118     fi
4119 fi
4120
4121 ##########################################
4122 # pixman support probe
4123
4124 if test "$softmmu" = "no"; then
4125   pixman_cflags=
4126   pixman_libs=
4127 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
4128   pixman_cflags=$($pkg_config --cflags pixman-1)
4129   pixman_libs=$($pkg_config --libs pixman-1)
4130 else
4131   error_exit "pixman >= 0.21.8 not present." \
4132       "Please install the pixman devel package."
4133 fi
4134
4135 ##########################################
4136 # libmpathpersist probe
4137
4138 if test "$mpath" != "no" ; then
4139   # probe for the new API
4140   cat > $TMPC <<EOF
4141 #include <libudev.h>
4142 #include <mpath_persist.h>
4143 unsigned mpath_mx_alloc_len = 1024;
4144 int logsink;
4145 static struct config *multipath_conf;
4146 extern struct udev *udev;
4147 extern struct config *get_multipath_config(void);
4148 extern void put_multipath_config(struct config *conf);
4149 struct udev *udev;
4150 struct config *get_multipath_config(void) { return multipath_conf; }
4151 void put_multipath_config(struct config *conf) { }
4152
4153 int main(void) {
4154     udev = udev_new();
4155     multipath_conf = mpath_lib_init();
4156     return 0;
4157 }
4158 EOF
4159   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4160     mpathpersist=yes
4161     mpathpersist_new_api=yes
4162   else
4163     # probe for the old API
4164     cat > $TMPC <<EOF
4165 #include <libudev.h>
4166 #include <mpath_persist.h>
4167 unsigned mpath_mx_alloc_len = 1024;
4168 int logsink;
4169 int main(void) {
4170     struct udev *udev = udev_new();
4171     mpath_lib_init(udev);
4172     return 0;
4173 }
4174 EOF
4175     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
4176       mpathpersist=yes
4177       mpathpersist_new_api=no
4178     else
4179       mpathpersist=no
4180     fi
4181   fi
4182 else
4183   mpathpersist=no
4184 fi
4185
4186 ##########################################
4187 # pthread probe
4188 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4189
4190 pthread=no
4191 cat > $TMPC << EOF
4192 #include <pthread.h>
4193 static void *f(void *p) { return NULL; }
4194 int main(void) {
4195   pthread_t thread;
4196   pthread_create(&thread, 0, f, 0);
4197   return 0;
4198 }
4199 EOF
4200 if compile_prog "" "" ; then
4201   pthread=yes
4202 else
4203   for pthread_lib in $PTHREADLIBS_LIST; do
4204     if compile_prog "" "$pthread_lib" ; then
4205       pthread=yes
4206       found=no
4207       for lib_entry in $LIBS; do
4208         if test "$lib_entry" = "$pthread_lib"; then
4209           found=yes
4210           break
4211         fi
4212       done
4213       if test "$found" = "no"; then
4214         LIBS="$pthread_lib $LIBS"
4215       fi
4216       PTHREAD_LIB="$pthread_lib"
4217       break
4218     fi
4219   done
4220 fi
4221
4222 if test "$mingw32" != yes && test "$pthread" = no; then
4223   error_exit "pthread check failed" \
4224       "Make sure to have the pthread libs and headers installed."
4225 fi
4226
4227 # check for pthread_setname_np with thread id
4228 pthread_setname_np_w_tid=no
4229 cat > $TMPC << EOF
4230 #include <pthread.h>
4231
4232 static void *f(void *p) { return NULL; }
4233 int main(void)
4234 {
4235     pthread_t thread;
4236     pthread_create(&thread, 0, f, 0);
4237     pthread_setname_np(thread, "QEMU");
4238     return 0;
4239 }
4240 EOF
4241 if compile_prog "" "$pthread_lib" ; then
4242   pthread_setname_np_w_tid=yes
4243 fi
4244
4245 # check for pthread_setname_np without thread id
4246 pthread_setname_np_wo_tid=no
4247 cat > $TMPC << EOF
4248 #include <pthread.h>
4249
4250 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4251 int main(void)
4252 {
4253     pthread_t thread;
4254     pthread_create(&thread, 0, f, 0);
4255     return 0;
4256 }
4257 EOF
4258 if compile_prog "" "$pthread_lib" ; then
4259   pthread_setname_np_wo_tid=yes
4260 fi
4261
4262 ##########################################
4263 # rbd probe
4264 if test "$rbd" != "no" ; then
4265   cat > $TMPC <<EOF
4266 #include <stdio.h>
4267 #include <rbd/librbd.h>
4268 int main(void) {
4269     rados_t cluster;
4270     rados_create(&cluster, NULL);
4271     return 0;
4272 }
4273 EOF
4274   rbd_libs="-lrbd -lrados"
4275   if compile_prog "" "$rbd_libs" ; then
4276     rbd=yes
4277   else
4278     if test "$rbd" = "yes" ; then
4279       feature_not_found "rados block device" "Install librbd/ceph devel"
4280     fi
4281     rbd=no
4282   fi
4283 fi
4284
4285 ##########################################
4286 # libssh probe
4287 if test "$libssh" != "no" ; then
4288   if $pkg_config --exists libssh; then
4289     libssh_cflags=$($pkg_config libssh --cflags)
4290     libssh_libs=$($pkg_config libssh --libs)
4291     libssh=yes
4292   else
4293     if test "$libssh" = "yes" ; then
4294       error_exit "libssh required for --enable-libssh"
4295     fi
4296     libssh=no
4297   fi
4298 fi
4299
4300 ##########################################
4301 # Check for libssh 0.8
4302 # This is done like this instead of using the LIBSSH_VERSION_* and
4303 # SSH_VERSION_* macros because some distributions in the past shipped
4304 # snapshots of the future 0.8 from Git, and those snapshots did not
4305 # have updated version numbers (still referring to 0.7.0).
4306
4307 if test "$libssh" = "yes"; then
4308   cat > $TMPC <<EOF
4309 #include <libssh/libssh.h>
4310 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4311 EOF
4312   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4313     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4314   fi
4315 fi
4316
4317 ##########################################
4318 # linux-aio probe
4319
4320 if test "$linux_aio" != "no" ; then
4321   cat > $TMPC <<EOF
4322 #include <libaio.h>
4323 #include <sys/eventfd.h>
4324 #include <stddef.h>
4325 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4326 EOF
4327   if compile_prog "" "-laio" ; then
4328     linux_aio=yes
4329   else
4330     if test "$linux_aio" = "yes" ; then
4331       feature_not_found "linux AIO" "Install libaio devel"
4332     fi
4333     linux_aio=no
4334   fi
4335 fi
4336 ##########################################
4337 # linux-io-uring probe
4338
4339 if test "$linux_io_uring" != "no" ; then
4340   if $pkg_config liburing; then
4341     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4342     linux_io_uring_libs=$($pkg_config --libs liburing)
4343     linux_io_uring=yes
4344
4345     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4346     # seen by programs linking the archive.  It's not ideal, but just add the
4347     # library dependency globally.
4348     LIBS="$linux_io_uring_libs $LIBS"
4349   else
4350     if test "$linux_io_uring" = "yes" ; then
4351       feature_not_found "linux io_uring" "Install liburing devel"
4352     fi
4353     linux_io_uring=no
4354   fi
4355 fi
4356
4357 ##########################################
4358 # TPM emulation is only on POSIX
4359
4360 if test "$tpm" = ""; then
4361   if test "$mingw32" = "yes"; then
4362     tpm=no
4363   else
4364     tpm=yes
4365   fi
4366 elif test "$tpm" = "yes"; then
4367   if test "$mingw32" = "yes" ; then
4368     error_exit "TPM emulation only available on POSIX systems"
4369   fi
4370 fi
4371
4372 ##########################################
4373 # attr probe
4374
4375 libattr_libs=
4376 if test "$attr" != "no" ; then
4377   cat > $TMPC <<EOF
4378 #include <stdio.h>
4379 #include <sys/types.h>
4380 #ifdef CONFIG_LIBATTR
4381 #include <attr/xattr.h>
4382 #else
4383 #include <sys/xattr.h>
4384 #endif
4385 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4386 EOF
4387   if compile_prog "" "" ; then
4388     attr=yes
4389   # Older distros have <attr/xattr.h>, and need -lattr:
4390   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4391     attr=yes
4392     libattr_libs="-lattr"
4393     LIBS="$libattr_libs $LIBS"
4394     libattr=yes
4395   else
4396     if test "$attr" = "yes" ; then
4397       feature_not_found "ATTR" "Install libc6 or libattr devel"
4398     fi
4399     attr=no
4400   fi
4401 fi
4402
4403 ##########################################
4404 # iovec probe
4405 cat > $TMPC <<EOF
4406 #include <sys/types.h>
4407 #include <sys/uio.h>
4408 #include <unistd.h>
4409 int main(void) { return sizeof(struct iovec); }
4410 EOF
4411 iovec=no
4412 if compile_prog "" "" ; then
4413   iovec=yes
4414 fi
4415
4416 ##########################################
4417 # preadv probe
4418 cat > $TMPC <<EOF
4419 #include <sys/types.h>
4420 #include <sys/uio.h>
4421 #include <unistd.h>
4422 int main(void) { return preadv(0, 0, 0, 0); }
4423 EOF
4424 preadv=no
4425 if compile_prog "" "" ; then
4426   preadv=yes
4427 fi
4428
4429 ##########################################
4430 # fdt probe
4431 # fdt support is mandatory for at least some target architectures,
4432 # so insist on it if we're building those system emulators.
4433 fdt_required=no
4434 for target in $target_list; do
4435   case $target in
4436     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4437       fdt_required=yes
4438     ;;
4439   esac
4440 done
4441
4442 if test "$fdt_required" = "yes"; then
4443   if test "$fdt" = "no"; then
4444     error_exit "fdt disabled but some requested targets require it." \
4445       "You can turn off fdt only if you also disable all the system emulation" \
4446       "targets which need it (by specifying a cut down --target-list)."
4447   fi
4448   fdt=yes
4449 elif test "$fdt" != "yes" ; then
4450   fdt=no
4451 fi
4452
4453 # fdt is only required when building softmmu targets
4454 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4455     fdt="no"
4456 fi
4457
4458 if test "$fdt" != "no" ; then
4459   fdt_libs="-lfdt"
4460   # explicitly check for libfdt_env.h as it is missing in some stable installs
4461   # and test for required functions to make sure we are on a version >= 1.4.2
4462   cat > $TMPC << EOF
4463 #include <libfdt.h>
4464 #include <libfdt_env.h>
4465 int main(void) { fdt_check_full(NULL, 0); return 0; }
4466 EOF
4467   if compile_prog "" "$fdt_libs" ; then
4468     # system DTC is good - use it
4469     fdt=system
4470   else
4471       # have GIT checkout, so activate dtc submodule
4472       if test -e "${source_path}/.git" ; then
4473           git_submodules="${git_submodules} dtc"
4474       fi
4475       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4476           fdt=git
4477           mkdir -p dtc
4478           if [ "$pwd_is_source_path" != "y" ] ; then
4479               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4480           fi
4481           fdt_cflags="-I${source_path}/dtc/libfdt"
4482           fdt_ldflags="-L$PWD/dtc/libfdt"
4483           fdt_libs="$fdt_libs"
4484       elif test "$fdt" = "yes" ; then
4485           # Not a git build & no libfdt found, prompt for system install
4486           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4487                      "Please install the DTC (libfdt) devel package"
4488       else
4489           # don't have and don't want
4490           fdt_libs=
4491           fdt=no
4492       fi
4493   fi
4494 fi
4495
4496 ##########################################
4497 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4498
4499 gbm="no"
4500 if $pkg_config gbm; then
4501     gbm_cflags="$($pkg_config --cflags gbm)"
4502     gbm_libs="$($pkg_config --libs gbm)"
4503     gbm="yes"
4504 fi
4505
4506 if test "$opengl" != "no" ; then
4507   opengl_pkgs="epoxy gbm"
4508   if $pkg_config $opengl_pkgs; then
4509     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4510     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4511     opengl=yes
4512     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4513         gtk_gl="yes"
4514     fi
4515     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4516   else
4517     if test "$opengl" = "yes" ; then
4518       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4519     fi
4520     opengl_cflags=""
4521     opengl_libs=""
4522     opengl=no
4523   fi
4524 fi
4525
4526 if test "$opengl" = "yes"; then
4527   cat > $TMPC << EOF
4528 #include <epoxy/egl.h>
4529 #ifndef EGL_MESA_image_dma_buf_export
4530 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4531 #endif
4532 int main(void) { return 0; }
4533 EOF
4534   if compile_prog "" "" ; then
4535     opengl_dmabuf=yes
4536   fi
4537 fi
4538
4539 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4540   for target in $target_list; do
4541     case $target in
4542       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4543         need_x11=yes
4544       ;;
4545     esac
4546   done
4547 fi
4548
4549 ##########################################
4550 # libxml2 probe
4551 if test "$libxml2" != "no" ; then
4552     if $pkg_config --exists libxml-2.0; then
4553         libxml2="yes"
4554         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4555         libxml2_libs=$($pkg_config --libs libxml-2.0)
4556     else
4557         if test "$libxml2" = "yes"; then
4558             feature_not_found "libxml2" "Install libxml2 devel"
4559         fi
4560         libxml2="no"
4561     fi
4562 fi
4563
4564 ##########################################
4565 # glusterfs probe
4566 if test "$glusterfs" != "no" ; then
4567   if $pkg_config --atleast-version=3 glusterfs-api; then
4568     glusterfs="yes"
4569     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4570     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4571     if $pkg_config --atleast-version=4 glusterfs-api; then
4572       glusterfs_xlator_opt="yes"
4573     fi
4574     if $pkg_config --atleast-version=5 glusterfs-api; then
4575       glusterfs_discard="yes"
4576     fi
4577     if $pkg_config --atleast-version=6 glusterfs-api; then
4578       glusterfs_fallocate="yes"
4579       glusterfs_zerofill="yes"
4580     fi
4581     cat > $TMPC << EOF
4582 #include <glusterfs/api/glfs.h>
4583
4584 int
4585 main(void)
4586 {
4587         /* new glfs_ftruncate() passes two additional args */
4588         return glfs_ftruncate(NULL, 0, NULL, NULL);
4589 }
4590 EOF
4591     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4592       glusterfs_ftruncate_has_stat="yes"
4593     fi
4594     cat > $TMPC << EOF
4595 #include <glusterfs/api/glfs.h>
4596
4597 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4598 static void
4599 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4600 {}
4601
4602 int
4603 main(void)
4604 {
4605         glfs_io_cbk iocb = &glusterfs_iocb;
4606         iocb(NULL, 0 , NULL, NULL, NULL);
4607         return 0;
4608 }
4609 EOF
4610     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4611       glusterfs_iocb_has_stat="yes"
4612     fi
4613   else
4614     if test "$glusterfs" = "yes" ; then
4615       feature_not_found "GlusterFS backend support" \
4616           "Install glusterfs-api devel >= 3"
4617     fi
4618     glusterfs="no"
4619   fi
4620 fi
4621
4622 # Check for inotify functions when we are building linux-user
4623 # emulator.  This is done because older glibc versions don't
4624 # have syscall stubs for these implemented.  In that case we
4625 # don't provide them even if kernel supports them.
4626 #
4627 inotify=no
4628 cat > $TMPC << EOF
4629 #include <sys/inotify.h>
4630
4631 int
4632 main(void)
4633 {
4634         /* try to start inotify */
4635         return inotify_init();
4636 }
4637 EOF
4638 if compile_prog "" "" ; then
4639   inotify=yes
4640 fi
4641
4642 inotify1=no
4643 cat > $TMPC << EOF
4644 #include <sys/inotify.h>
4645
4646 int
4647 main(void)
4648 {
4649     /* try to start inotify */
4650     return inotify_init1(0);
4651 }
4652 EOF
4653 if compile_prog "" "" ; then
4654   inotify1=yes
4655 fi
4656
4657 # check if pipe2 is there
4658 pipe2=no
4659 cat > $TMPC << EOF
4660 #include <unistd.h>
4661 #include <fcntl.h>
4662
4663 int main(void)
4664 {
4665     int pipefd[2];
4666     return pipe2(pipefd, O_CLOEXEC);
4667 }
4668 EOF
4669 if compile_prog "" "" ; then
4670   pipe2=yes
4671 fi
4672
4673 # check if accept4 is there
4674 accept4=no
4675 cat > $TMPC << EOF
4676 #include <sys/socket.h>
4677 #include <stddef.h>
4678
4679 int main(void)
4680 {
4681     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4682     return 0;
4683 }
4684 EOF
4685 if compile_prog "" "" ; then
4686   accept4=yes
4687 fi
4688
4689 # check if tee/splice is there. vmsplice was added same time.
4690 splice=no
4691 cat > $TMPC << EOF
4692 #include <unistd.h>
4693 #include <fcntl.h>
4694 #include <limits.h>
4695
4696 int main(void)
4697 {
4698     int len, fd = 0;
4699     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4700     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4701     return 0;
4702 }
4703 EOF
4704 if compile_prog "" "" ; then
4705   splice=yes
4706 fi
4707
4708 ##########################################
4709 # libnuma probe
4710
4711 if test "$numa" != "no" ; then
4712   cat > $TMPC << EOF
4713 #include <numa.h>
4714 int main(void) { return numa_available(); }
4715 EOF
4716
4717   if compile_prog "" "-lnuma" ; then
4718     numa=yes
4719     numa_libs="-lnuma"
4720   else
4721     if test "$numa" = "yes" ; then
4722       feature_not_found "numa" "install numactl devel"
4723     fi
4724     numa=no
4725   fi
4726 fi
4727
4728 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4729     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4730     exit 1
4731 fi
4732
4733 # Even if malloc_trim() is available, these non-libc memory allocators
4734 # do not support it.
4735 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4736     if test "$malloc_trim" = "yes" ; then
4737         echo "Disabling malloc_trim with non-libc memory allocator"
4738     fi
4739     malloc_trim="no"
4740 fi
4741
4742 #######################################
4743 # malloc_trim
4744
4745 if test "$malloc_trim" != "no" ; then
4746     cat > $TMPC << EOF
4747 #include <malloc.h>
4748 int main(void) { malloc_trim(0); return 0; }
4749 EOF
4750     if compile_prog "" "" ; then
4751         malloc_trim="yes"
4752     else
4753         malloc_trim="no"
4754     fi
4755 fi
4756
4757 ##########################################
4758 # tcmalloc probe
4759
4760 if test "$tcmalloc" = "yes" ; then
4761   cat > $TMPC << EOF
4762 #include <stdlib.h>
4763 int main(void) {
4764     void *tmp = malloc(1);
4765     if (tmp != NULL) {
4766         return 0;
4767     }
4768     return 1;
4769 }
4770 EOF
4771
4772   if compile_prog "" "-ltcmalloc" ; then
4773     LIBS="-ltcmalloc $LIBS"
4774   else
4775     feature_not_found "tcmalloc" "install gperftools devel"
4776   fi
4777 fi
4778
4779 ##########################################
4780 # jemalloc probe
4781
4782 if test "$jemalloc" = "yes" ; then
4783   cat > $TMPC << EOF
4784 #include <stdlib.h>
4785 int main(void) {
4786     void *tmp = malloc(1);
4787     if (tmp != NULL) {
4788         return 0;
4789     }
4790     return 1;
4791 }
4792 EOF
4793
4794   if compile_prog "" "-ljemalloc" ; then
4795     LIBS="-ljemalloc $LIBS"
4796   else
4797     feature_not_found "jemalloc" "install jemalloc devel"
4798   fi
4799 fi
4800
4801 ##########################################
4802 # signalfd probe
4803 signalfd="no"
4804 cat > $TMPC << EOF
4805 #include <unistd.h>
4806 #include <sys/syscall.h>
4807 #include <signal.h>
4808 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4809 EOF
4810
4811 if compile_prog "" "" ; then
4812   signalfd=yes
4813 fi
4814
4815 # check if optreset global is declared by <getopt.h>
4816 optreset="no"
4817 cat > $TMPC << EOF
4818 #include <getopt.h>
4819 int main(void) { return optreset; }
4820 EOF
4821
4822 if compile_prog "" "" ; then
4823   optreset=yes
4824 fi
4825
4826 # check if eventfd is supported
4827 eventfd=no
4828 cat > $TMPC << EOF
4829 #include <sys/eventfd.h>
4830
4831 int main(void)
4832 {
4833     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4834 }
4835 EOF
4836 if compile_prog "" "" ; then
4837   eventfd=yes
4838 fi
4839
4840 # check if memfd is supported
4841 memfd=no
4842 cat > $TMPC << EOF
4843 #include <sys/mman.h>
4844
4845 int main(void)
4846 {
4847     return memfd_create("foo", MFD_ALLOW_SEALING);
4848 }
4849 EOF
4850 if compile_prog "" "" ; then
4851   memfd=yes
4852 fi
4853
4854 # check for usbfs
4855 have_usbfs=no
4856 if test "$linux_user" = "yes"; then
4857   cat > $TMPC << EOF
4858 #include <linux/usbdevice_fs.h>
4859
4860 #ifndef USBDEVFS_GET_CAPABILITIES
4861 #error "USBDEVFS_GET_CAPABILITIES undefined"
4862 #endif
4863
4864 #ifndef USBDEVFS_DISCONNECT_CLAIM
4865 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4866 #endif
4867
4868 int main(void)
4869 {
4870     return 0;
4871 }
4872 EOF
4873   if compile_prog "" ""; then
4874     have_usbfs=yes
4875   fi
4876 fi
4877
4878 # check for fallocate
4879 fallocate=no
4880 cat > $TMPC << EOF
4881 #include <fcntl.h>
4882
4883 int main(void)
4884 {
4885     fallocate(0, 0, 0, 0);
4886     return 0;
4887 }
4888 EOF
4889 if compile_prog "" "" ; then
4890   fallocate=yes
4891 fi
4892
4893 # check for fallocate hole punching
4894 fallocate_punch_hole=no
4895 cat > $TMPC << EOF
4896 #include <fcntl.h>
4897 #include <linux/falloc.h>
4898
4899 int main(void)
4900 {
4901     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4902     return 0;
4903 }
4904 EOF
4905 if compile_prog "" "" ; then
4906   fallocate_punch_hole=yes
4907 fi
4908
4909 # check that fallocate supports range zeroing inside the file
4910 fallocate_zero_range=no
4911 cat > $TMPC << EOF
4912 #include <fcntl.h>
4913 #include <linux/falloc.h>
4914
4915 int main(void)
4916 {
4917     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4918     return 0;
4919 }
4920 EOF
4921 if compile_prog "" "" ; then
4922   fallocate_zero_range=yes
4923 fi
4924
4925 # check for posix_fallocate
4926 posix_fallocate=no
4927 cat > $TMPC << EOF
4928 #include <fcntl.h>
4929
4930 int main(void)
4931 {
4932     posix_fallocate(0, 0, 0);
4933     return 0;
4934 }
4935 EOF
4936 if compile_prog "" "" ; then
4937     posix_fallocate=yes
4938 fi
4939
4940 # check for sync_file_range
4941 sync_file_range=no
4942 cat > $TMPC << EOF
4943 #include <fcntl.h>
4944
4945 int main(void)
4946 {
4947     sync_file_range(0, 0, 0, 0);
4948     return 0;
4949 }
4950 EOF
4951 if compile_prog "" "" ; then
4952   sync_file_range=yes
4953 fi
4954
4955 # check for linux/fiemap.h and FS_IOC_FIEMAP
4956 fiemap=no
4957 cat > $TMPC << EOF
4958 #include <sys/ioctl.h>
4959 #include <linux/fs.h>
4960 #include <linux/fiemap.h>
4961
4962 int main(void)
4963 {
4964     ioctl(0, FS_IOC_FIEMAP, 0);
4965     return 0;
4966 }
4967 EOF
4968 if compile_prog "" "" ; then
4969   fiemap=yes
4970 fi
4971
4972 # check for dup3
4973 dup3=no
4974 cat > $TMPC << EOF
4975 #include <unistd.h>
4976
4977 int main(void)
4978 {
4979     dup3(0, 0, 0);
4980     return 0;
4981 }
4982 EOF
4983 if compile_prog "" "" ; then
4984   dup3=yes
4985 fi
4986
4987 # check for ppoll support
4988 ppoll=no
4989 cat > $TMPC << EOF
4990 #include <poll.h>
4991
4992 int main(void)
4993 {
4994     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4995     ppoll(&pfd, 1, 0, 0);
4996     return 0;
4997 }
4998 EOF
4999 if compile_prog "" "" ; then
5000   ppoll=yes
5001 fi
5002
5003 # check for prctl(PR_SET_TIMERSLACK , ... ) support
5004 prctl_pr_set_timerslack=no
5005 cat > $TMPC << EOF
5006 #include <sys/prctl.h>
5007
5008 int main(void)
5009 {
5010     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
5011     return 0;
5012 }
5013 EOF
5014 if compile_prog "" "" ; then
5015   prctl_pr_set_timerslack=yes
5016 fi
5017
5018 # check for epoll support
5019 epoll=no
5020 cat > $TMPC << EOF
5021 #include <sys/epoll.h>
5022
5023 int main(void)
5024 {
5025     epoll_create(0);
5026     return 0;
5027 }
5028 EOF
5029 if compile_prog "" "" ; then
5030   epoll=yes
5031 fi
5032
5033 # epoll_create1 is a later addition
5034 # so we must check separately for its presence
5035 epoll_create1=no
5036 cat > $TMPC << EOF
5037 #include <sys/epoll.h>
5038
5039 int main(void)
5040 {
5041     /* Note that we use epoll_create1 as a value, not as
5042      * a function being called. This is necessary so that on
5043      * old SPARC glibc versions where the function was present in
5044      * the library but not declared in the header file we will
5045      * fail the configure check. (Otherwise we will get a compiler
5046      * warning but not an error, and will proceed to fail the
5047      * qemu compile where we compile with -Werror.)
5048      */
5049     return (int)(uintptr_t)&epoll_create1;
5050 }
5051 EOF
5052 if compile_prog "" "" ; then
5053   epoll_create1=yes
5054 fi
5055
5056 # check for sendfile support
5057 sendfile=no
5058 cat > $TMPC << EOF
5059 #include <sys/sendfile.h>
5060
5061 int main(void)
5062 {
5063     return sendfile(0, 0, 0, 0);
5064 }
5065 EOF
5066 if compile_prog "" "" ; then
5067   sendfile=yes
5068 fi
5069
5070 # check for timerfd support (glibc 2.8 and newer)
5071 timerfd=no
5072 cat > $TMPC << EOF
5073 #include <sys/timerfd.h>
5074
5075 int main(void)
5076 {
5077     return(timerfd_create(CLOCK_REALTIME, 0));
5078 }
5079 EOF
5080 if compile_prog "" "" ; then
5081   timerfd=yes
5082 fi
5083
5084 # check for setns and unshare support
5085 setns=no
5086 cat > $TMPC << EOF
5087 #include <sched.h>
5088
5089 int main(void)
5090 {
5091     int ret;
5092     ret = setns(0, 0);
5093     ret = unshare(0);
5094     return ret;
5095 }
5096 EOF
5097 if compile_prog "" "" ; then
5098   setns=yes
5099 fi
5100
5101 # clock_adjtime probe
5102 clock_adjtime=no
5103 cat > $TMPC <<EOF
5104 #include <time.h>
5105
5106 int main(void)
5107 {
5108     return clock_adjtime(0, 0);
5109 }
5110 EOF
5111 clock_adjtime=no
5112 if compile_prog "" "" ; then
5113   clock_adjtime=yes
5114 fi
5115
5116 # syncfs probe
5117 syncfs=no
5118 cat > $TMPC <<EOF
5119 #include <unistd.h>
5120
5121 int main(void)
5122 {
5123     return syncfs(0);
5124 }
5125 EOF
5126 syncfs=no
5127 if compile_prog "" "" ; then
5128   syncfs=yes
5129 fi
5130
5131 # check for kcov support (kernel must be 4.4+, compiled with certain options)
5132 kcov=no
5133 if check_include sys/kcov.h ; then
5134     kcov=yes
5135 fi
5136
5137 # If we're making warnings fatal, apply this to Sphinx runs as well
5138 sphinx_werror=""
5139 if test "$werror" = "yes"; then
5140     sphinx_werror="-W"
5141 fi
5142
5143 # Check we have a new enough version of sphinx-build
5144 has_sphinx_build() {
5145     # This is a bit awkward but works: create a trivial document and
5146     # try to run it with our configuration file (which enforces a
5147     # version requirement). This will fail if either
5148     # sphinx-build doesn't exist at all or if it is too old.
5149     mkdir -p "$TMPDIR1/sphinx"
5150     touch "$TMPDIR1/sphinx/index.rst"
5151     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
5152                     -b html "$TMPDIR1/sphinx" \
5153                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
5154 }
5155
5156 # Check if tools are available to build documentation.
5157 if test "$docs" != "no" ; then
5158   if has_sphinx_build; then
5159     sphinx_ok=yes
5160   else
5161     sphinx_ok=no
5162   fi
5163   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
5164     docs=yes
5165   else
5166     if test "$docs" = "yes" ; then
5167       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
5168         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
5169       fi
5170       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
5171     fi
5172     docs=no
5173   fi
5174 fi
5175
5176 # Search for bswap_32 function
5177 byteswap_h=no
5178 cat > $TMPC << EOF
5179 #include <byteswap.h>
5180 int main(void) { return bswap_32(0); }
5181 EOF
5182 if compile_prog "" "" ; then
5183   byteswap_h=yes
5184 fi
5185
5186 # Search for bswap32 function
5187 bswap_h=no
5188 cat > $TMPC << EOF
5189 #include <sys/endian.h>
5190 #include <sys/types.h>
5191 #include <machine/bswap.h>
5192 int main(void) { return bswap32(0); }
5193 EOF
5194 if compile_prog "" "" ; then
5195   bswap_h=yes
5196 fi
5197
5198 ##########################################
5199 # Do we have libiscsi >= 1.9.0
5200 if test "$libiscsi" != "no" ; then
5201   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5202     libiscsi="yes"
5203     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5204     libiscsi_libs=$($pkg_config --libs libiscsi)
5205   else
5206     if test "$libiscsi" = "yes" ; then
5207       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5208     fi
5209     libiscsi="no"
5210   fi
5211 fi
5212
5213 ##########################################
5214 # Do we need libm
5215 cat > $TMPC << EOF
5216 #include <math.h>
5217 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5218 EOF
5219 if compile_prog "" "" ; then
5220   :
5221 elif compile_prog "" "-lm" ; then
5222   LIBS="-lm $LIBS"
5223 else
5224   error_exit "libm check failed"
5225 fi
5226
5227 ##########################################
5228 # Do we need librt
5229 # uClibc provides 2 versions of clock_gettime(), one with realtime
5230 # support and one without. This means that the clock_gettime() don't
5231 # need -lrt. We still need it for timer_create() so we check for this
5232 # function in addition.
5233 cat > $TMPC <<EOF
5234 #include <signal.h>
5235 #include <time.h>
5236 int main(void) {
5237   timer_create(CLOCK_REALTIME, NULL, NULL);
5238   return clock_gettime(CLOCK_REALTIME, NULL);
5239 }
5240 EOF
5241
5242 if compile_prog "" "" ; then
5243   :
5244 # we need pthread for static linking. use previous pthread test result
5245 elif compile_prog "" "$pthread_lib -lrt" ; then
5246   LIBS="$LIBS -lrt"
5247 fi
5248
5249 # Check whether we need to link libutil for openpty()
5250 cat > $TMPC << EOF
5251 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5252 int main(void) { return openpty(0, 0, 0, 0, 0); }
5253 EOF
5254
5255 have_openpty="no"
5256 if compile_prog "" "" ; then
5257   have_openpty="yes"
5258 else
5259   if compile_prog "" "-lutil" ; then
5260     libs_tools="-lutil $libs_tools"
5261     have_openpty="yes"
5262   fi
5263 fi
5264
5265 ##########################################
5266 # spice probe
5267 if test "$spice" != "no" ; then
5268   cat > $TMPC << EOF
5269 #include <spice.h>
5270 int main(void) { spice_server_new(); return 0; }
5271 EOF
5272   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5273   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5274   if $pkg_config --atleast-version=0.12.5 spice-server && \
5275      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5276      compile_prog "$spice_cflags" "$spice_libs" ; then
5277     spice="yes"
5278     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5279   else
5280     if test "$spice" = "yes" ; then
5281       feature_not_found "spice" \
5282           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5283     fi
5284     spice="no"
5285   fi
5286 fi
5287
5288 # check for smartcard support
5289 if test "$smartcard" != "no"; then
5290     if $pkg_config --atleast-version=2.5.1 libcacard; then
5291         libcacard_cflags=$($pkg_config --cflags libcacard)
5292         libcacard_libs=$($pkg_config --libs libcacard)
5293         smartcard="yes"
5294     else
5295         if test "$smartcard" = "yes"; then
5296             feature_not_found "smartcard" "Install libcacard devel"
5297         fi
5298         smartcard="no"
5299     fi
5300 fi
5301
5302 # check for libusb
5303 if test "$libusb" != "no" ; then
5304     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5305         libusb="yes"
5306         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5307         libusb_libs=$($pkg_config --libs libusb-1.0)
5308     else
5309         if test "$libusb" = "yes"; then
5310             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5311         fi
5312         libusb="no"
5313     fi
5314 fi
5315
5316 # check for usbredirparser for usb network redirection support
5317 if test "$usb_redir" != "no" ; then
5318     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5319         usb_redir="yes"
5320         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5321         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5322     else
5323         if test "$usb_redir" = "yes"; then
5324             feature_not_found "usb-redir" "Install usbredir devel"
5325         fi
5326         usb_redir="no"
5327     fi
5328 fi
5329
5330 ##########################################
5331 # check if we have VSS SDK headers for win
5332
5333 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5334         test "$vss_win32_sdk" != "no" ; then
5335   case "$vss_win32_sdk" in
5336     "")   vss_win32_include="-isystem $source_path" ;;
5337     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5338           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5339           vss_win32_include="-isystem $source_path/.sdk/vss"
5340           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5341           ;;
5342     *)    vss_win32_include="-isystem $vss_win32_sdk"
5343   esac
5344   cat > $TMPC << EOF
5345 #define __MIDL_user_allocate_free_DEFINED__
5346 #include <inc/win2003/vss.h>
5347 int main(void) { return VSS_CTX_BACKUP; }
5348 EOF
5349   if compile_prog "$vss_win32_include" "" ; then
5350     guest_agent_with_vss="yes"
5351     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5352     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5353     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5354   else
5355     if test "$vss_win32_sdk" != "" ; then
5356       echo "ERROR: Please download and install Microsoft VSS SDK:"
5357       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5358       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5359       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5360       echo "ERROR: The headers are extracted in the directory \`inc'."
5361       feature_not_found "VSS support"
5362     fi
5363     guest_agent_with_vss="no"
5364   fi
5365 fi
5366
5367 ##########################################
5368 # lookup Windows platform SDK (if not specified)
5369 # The SDK is needed only to build .tlb (type library) file of guest agent
5370 # VSS provider from the source. It is usually unnecessary because the
5371 # pre-compiled .tlb file is included.
5372
5373 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5374         test "$guest_agent_with_vss" = "yes" ; then
5375   if test -z "$win_sdk"; then
5376     programfiles="$PROGRAMFILES"
5377     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5378     if test -n "$programfiles"; then
5379       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5380     else
5381       feature_not_found "Windows SDK"
5382     fi
5383   elif test "$win_sdk" = "no"; then
5384     win_sdk=""
5385   fi
5386 fi
5387
5388 ##########################################
5389 # check if mingw environment provides a recent ntddscsi.h
5390 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5391   cat > $TMPC << EOF
5392 #include <windows.h>
5393 #include <ntddscsi.h>
5394 int main(void) {
5395 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5396 #error Missing required ioctl definitions
5397 #endif
5398   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5399   return addr.Lun;
5400 }
5401 EOF
5402   if compile_prog "" "" ; then
5403     guest_agent_ntddscsi=yes
5404     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5405   fi
5406 fi
5407
5408 ##########################################
5409 # virgl renderer probe
5410
5411 if test "$virglrenderer" != "no" ; then
5412   cat > $TMPC << EOF
5413 #include <virglrenderer.h>
5414 int main(void) { virgl_renderer_poll(); return 0; }
5415 EOF
5416   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5417   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5418   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5419   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5420      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5421     virglrenderer="yes"
5422   else
5423     if test "$virglrenderer" = "yes" ; then
5424       feature_not_found "virglrenderer"
5425     fi
5426     virglrenderer="no"
5427   fi
5428 fi
5429
5430 ##########################################
5431 # capstone
5432
5433 case "$capstone" in
5434   "" | yes)
5435     if $pkg_config capstone; then
5436       capstone=system
5437     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5438       capstone=git
5439     elif test -e "${source_path}/capstone/Makefile" ; then
5440       capstone=internal
5441     elif test -z "$capstone" ; then
5442       capstone=no
5443     else
5444       feature_not_found "capstone" "Install capstone devel or git submodule"
5445     fi
5446     ;;
5447
5448   system)
5449     if ! $pkg_config capstone; then
5450       feature_not_found "capstone" "Install capstone devel"
5451     fi
5452     ;;
5453 esac
5454
5455 case "$capstone" in
5456   git | internal)
5457     if test "$capstone" = git; then
5458       git_submodules="${git_submodules} capstone"
5459     fi
5460     mkdir -p capstone
5461     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5462     if test "$mingw32" = "yes"; then
5463       LIBCAPSTONE=capstone.lib
5464     else
5465       LIBCAPSTONE=libcapstone.a
5466     fi
5467     capstone_libs="-L$PWD/capstone -lcapstone"
5468     capstone_cflags="-I${source_path}/capstone/include"
5469     ;;
5470
5471   system)
5472     capstone_libs="$($pkg_config --libs capstone)"
5473     capstone_cflags="$($pkg_config --cflags capstone)"
5474     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5475     ;;
5476
5477   no)
5478     ;;
5479   *)
5480     error_exit "Unknown state for capstone: $capstone"
5481     ;;
5482 esac
5483
5484 ##########################################
5485 # check if we have fdatasync
5486
5487 fdatasync=no
5488 cat > $TMPC << EOF
5489 #include <unistd.h>
5490 int main(void) {
5491 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5492 return fdatasync(0);
5493 #else
5494 #error Not supported
5495 #endif
5496 }
5497 EOF
5498 if compile_prog "" "" ; then
5499     fdatasync=yes
5500 fi
5501
5502 ##########################################
5503 # check if we have madvise
5504
5505 madvise=no
5506 cat > $TMPC << EOF
5507 #include <sys/types.h>
5508 #include <sys/mman.h>
5509 #include <stddef.h>
5510 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5511 EOF
5512 if compile_prog "" "" ; then
5513     madvise=yes
5514 fi
5515
5516 ##########################################
5517 # check if we have posix_madvise
5518
5519 posix_madvise=no
5520 cat > $TMPC << EOF
5521 #include <sys/mman.h>
5522 #include <stddef.h>
5523 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5524 EOF
5525 if compile_prog "" "" ; then
5526     posix_madvise=yes
5527 fi
5528
5529 ##########################################
5530 # check if we have posix_memalign()
5531
5532 posix_memalign=no
5533 cat > $TMPC << EOF
5534 #include <stdlib.h>
5535 int main(void) {
5536     void *p;
5537     return posix_memalign(&p, 8, 8);
5538 }
5539 EOF
5540 if compile_prog "" "" ; then
5541     posix_memalign=yes
5542 fi
5543
5544 ##########################################
5545 # check if we have posix_syslog
5546
5547 posix_syslog=no
5548 cat > $TMPC << EOF
5549 #include <syslog.h>
5550 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5551 EOF
5552 if compile_prog "" "" ; then
5553     posix_syslog=yes
5554 fi
5555
5556 ##########################################
5557 # check if we have sem_timedwait
5558
5559 sem_timedwait=no
5560 cat > $TMPC << EOF
5561 #include <semaphore.h>
5562 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5563 EOF
5564 if compile_prog "" "" ; then
5565     sem_timedwait=yes
5566 fi
5567
5568 ##########################################
5569 # check if we have strchrnul
5570
5571 strchrnul=no
5572 cat > $TMPC << EOF
5573 #include <string.h>
5574 int main(void);
5575 // Use a haystack that the compiler shouldn't be able to constant fold
5576 char *haystack = (char*)&main;
5577 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5578 EOF
5579 if compile_prog "" "" ; then
5580     strchrnul=yes
5581 fi
5582
5583 #########################################
5584 # check if we have st_atim
5585
5586 st_atim=no
5587 cat > $TMPC << EOF
5588 #include <sys/stat.h>
5589 #include <stddef.h>
5590 int main(void) { return offsetof(struct stat, st_atim); }
5591 EOF
5592 if compile_prog "" "" ; then
5593     st_atim=yes
5594 fi
5595
5596 ##########################################
5597 # check if trace backend exists
5598
5599 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5600 if test "$?" -ne 0 ; then
5601   error_exit "invalid trace backends" \
5602       "Please choose supported trace backends."
5603 fi
5604
5605 ##########################################
5606 # For 'ust' backend, test if ust headers are present
5607 if have_backend "ust"; then
5608   cat > $TMPC << EOF
5609 #include <lttng/tracepoint.h>
5610 int main(void) { return 0; }
5611 EOF
5612   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5613     if $pkg_config lttng-ust --exists; then
5614       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5615     else
5616       lttng_ust_libs="-llttng-ust -ldl"
5617     fi
5618     if $pkg_config liburcu-bp --exists; then
5619       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5620     else
5621       urcu_bp_libs="-lurcu-bp"
5622     fi
5623
5624     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5625   else
5626     error_exit "Trace backend 'ust' missing lttng-ust header files"
5627   fi
5628 fi
5629
5630 ##########################################
5631 # For 'dtrace' backend, test if 'dtrace' command is present
5632 if have_backend "dtrace"; then
5633   if ! has 'dtrace' ; then
5634     error_exit "dtrace command is not found in PATH $PATH"
5635   fi
5636   trace_backend_stap="no"
5637   if has 'stap' ; then
5638     trace_backend_stap="yes"
5639   fi
5640 fi
5641
5642 ##########################################
5643 # check and set a backend for coroutine
5644
5645 # We prefer ucontext, but it's not always possible. The fallback
5646 # is sigcontext. On Windows the only valid backend is the Windows
5647 # specific one.
5648
5649 ucontext_works=no
5650 if test "$darwin" != "yes"; then
5651   cat > $TMPC << EOF
5652 #include <ucontext.h>
5653 #ifdef __stub_makecontext
5654 #error Ignoring glibc stub makecontext which will always fail
5655 #endif
5656 int main(void) { makecontext(0, 0, 0); return 0; }
5657 EOF
5658   if compile_prog "" "" ; then
5659     ucontext_works=yes
5660   fi
5661 fi
5662
5663 if test "$coroutine" = ""; then
5664   if test "$mingw32" = "yes"; then
5665     coroutine=win32
5666   elif test "$ucontext_works" = "yes"; then
5667     coroutine=ucontext
5668   else
5669     coroutine=sigaltstack
5670   fi
5671 else
5672   case $coroutine in
5673   windows)
5674     if test "$mingw32" != "yes"; then
5675       error_exit "'windows' coroutine backend only valid for Windows"
5676     fi
5677     # Unfortunately the user visible backend name doesn't match the
5678     # coroutine-*.c filename for this case, so we have to adjust it here.
5679     coroutine=win32
5680     ;;
5681   ucontext)
5682     if test "$ucontext_works" != "yes"; then
5683       feature_not_found "ucontext"
5684     fi
5685     ;;
5686   sigaltstack)
5687     if test "$mingw32" = "yes"; then
5688       error_exit "only the 'windows' coroutine backend is valid for Windows"
5689     fi
5690     ;;
5691   *)
5692     error_exit "unknown coroutine backend $coroutine"
5693     ;;
5694   esac
5695 fi
5696
5697 if test "$coroutine_pool" = ""; then
5698   coroutine_pool=yes
5699 fi
5700
5701 if test "$debug_stack_usage" = "yes"; then
5702   if test "$coroutine_pool" = "yes"; then
5703     echo "WARN: disabling coroutine pool for stack usage debugging"
5704     coroutine_pool=no
5705   fi
5706 fi
5707
5708 ##################################################
5709 # SafeStack
5710
5711
5712 if test "$safe_stack" = "yes"; then
5713 cat > $TMPC << EOF
5714 int main(int argc, char *argv[])
5715 {
5716 #if ! __has_feature(safe_stack)
5717 #error SafeStack Disabled
5718 #endif
5719     return 0;
5720 }
5721 EOF
5722   flag="-fsanitize=safe-stack"
5723   # Check that safe-stack is supported and enabled.
5724   if compile_prog "-Werror $flag" "$flag"; then
5725     # Flag needed both at compilation and at linking
5726     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5727     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5728   else
5729     error_exit "SafeStack not supported by your compiler"
5730   fi
5731   if test "$coroutine" != "ucontext"; then
5732     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5733   fi
5734 else
5735 cat > $TMPC << EOF
5736 int main(int argc, char *argv[])
5737 {
5738 #if defined(__has_feature)
5739 #if __has_feature(safe_stack)
5740 #error SafeStack Enabled
5741 #endif
5742 #endif
5743     return 0;
5744 }
5745 EOF
5746 if test "$safe_stack" = "no"; then
5747   # Make sure that safe-stack is disabled
5748   if ! compile_prog "-Werror" ""; then
5749     # SafeStack was already enabled, try to explicitly remove the feature
5750     flag="-fno-sanitize=safe-stack"
5751     if ! compile_prog "-Werror $flag" "$flag"; then
5752       error_exit "Configure cannot disable SafeStack"
5753     fi
5754     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5755     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5756   fi
5757 else # "$safe_stack" = ""
5758   # Set safe_stack to yes or no based on pre-existing flags
5759   if compile_prog "-Werror" ""; then
5760     safe_stack="no"
5761   else
5762     safe_stack="yes"
5763     if test "$coroutine" != "ucontext"; then
5764       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5765     fi
5766   fi
5767 fi
5768 fi
5769
5770 ##########################################
5771 # check if we have open_by_handle_at
5772
5773 open_by_handle_at=no
5774 cat > $TMPC << EOF
5775 #include <fcntl.h>
5776 #if !defined(AT_EMPTY_PATH)
5777 # error missing definition
5778 #else
5779 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5780 #endif
5781 EOF
5782 if compile_prog "" "" ; then
5783     open_by_handle_at=yes
5784 fi
5785
5786 ########################################
5787 # check if we have linux/magic.h
5788
5789 linux_magic_h=no
5790 cat > $TMPC << EOF
5791 #include <linux/magic.h>
5792 int main(void) {
5793   return 0;
5794 }
5795 EOF
5796 if compile_prog "" "" ; then
5797     linux_magic_h=yes
5798 fi
5799
5800 ########################################
5801 # check if we have valgrind/valgrind.h
5802
5803 valgrind_h=no
5804 cat > $TMPC << EOF
5805 #include <valgrind/valgrind.h>
5806 int main(void) {
5807   return 0;
5808 }
5809 EOF
5810 if compile_prog "" "" ; then
5811     valgrind_h=yes
5812 fi
5813
5814 ########################################
5815 # check if environ is declared
5816
5817 has_environ=no
5818 cat > $TMPC << EOF
5819 #include <unistd.h>
5820 int main(void) {
5821     environ = 0;
5822     return 0;
5823 }
5824 EOF
5825 if compile_prog "" "" ; then
5826     has_environ=yes
5827 fi
5828
5829 ########################################
5830 # check if cpuid.h is usable.
5831
5832 cat > $TMPC << EOF
5833 #include <cpuid.h>
5834 int main(void) {
5835     unsigned a, b, c, d;
5836     int max = __get_cpuid_max(0, 0);
5837
5838     if (max >= 1) {
5839         __cpuid(1, a, b, c, d);
5840     }
5841
5842     if (max >= 7) {
5843         __cpuid_count(7, 0, a, b, c, d);
5844     }
5845
5846     return 0;
5847 }
5848 EOF
5849 if compile_prog "" "" ; then
5850     cpuid_h=yes
5851 fi
5852
5853 ##########################################
5854 # avx2 optimization requirement check
5855 #
5856 # There is no point enabling this if cpuid.h is not usable,
5857 # since we won't be able to select the new routines.
5858
5859 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5860   cat > $TMPC << EOF
5861 #pragma GCC push_options
5862 #pragma GCC target("avx2")
5863 #include <cpuid.h>
5864 #include <immintrin.h>
5865 static int bar(void *a) {
5866     __m256i x = *(__m256i *)a;
5867     return _mm256_testz_si256(x, x);
5868 }
5869 int main(int argc, char *argv[]) { return bar(argv[0]); }
5870 EOF
5871   if compile_object "" ; then
5872     avx2_opt="yes"
5873   else
5874     avx2_opt="no"
5875   fi
5876 fi
5877
5878 ##########################################
5879 # avx512f optimization requirement check
5880 #
5881 # There is no point enabling this if cpuid.h is not usable,
5882 # since we won't be able to select the new routines.
5883 # by default, it is turned off.
5884 # if user explicitly want to enable it, check environment
5885
5886 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5887   cat > $TMPC << EOF
5888 #pragma GCC push_options
5889 #pragma GCC target("avx512f")
5890 #include <cpuid.h>
5891 #include <immintrin.h>
5892 static int bar(void *a) {
5893     __m512i x = *(__m512i *)a;
5894     return _mm512_test_epi64_mask(x, x);
5895 }
5896 int main(int argc, char *argv[])
5897 {
5898         return bar(argv[0]);
5899 }
5900 EOF
5901   if ! compile_object "" ; then
5902     avx512f_opt="no"
5903   fi
5904 else
5905   avx512f_opt="no"
5906 fi
5907
5908 ########################################
5909 # check if __[u]int128_t is usable.
5910
5911 int128=no
5912 cat > $TMPC << EOF
5913 __int128_t a;
5914 __uint128_t b;
5915 int main (void) {
5916   a = a + b;
5917   b = a * b;
5918   a = a * a;
5919   return 0;
5920 }
5921 EOF
5922 if compile_prog "" "" ; then
5923     int128=yes
5924 fi
5925
5926 #########################################
5927 # See if 128-bit atomic operations are supported.
5928
5929 atomic128=no
5930 if test "$int128" = "yes"; then
5931   cat > $TMPC << EOF
5932 int main(void)
5933 {
5934   unsigned __int128 x = 0, y = 0;
5935   y = __atomic_load_16(&x, 0);
5936   __atomic_store_16(&x, y, 0);
5937   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5938   return 0;
5939 }
5940 EOF
5941   if compile_prog "" "" ; then
5942     atomic128=yes
5943   fi
5944 fi
5945
5946 cmpxchg128=no
5947 if test "$int128" = yes && test "$atomic128" = no; then
5948   cat > $TMPC << EOF
5949 int main(void)
5950 {
5951   unsigned __int128 x = 0, y = 0;
5952   __sync_val_compare_and_swap_16(&x, y, x);
5953   return 0;
5954 }
5955 EOF
5956   if compile_prog "" "" ; then
5957     cmpxchg128=yes
5958   fi
5959 fi
5960
5961 #########################################
5962 # See if 64-bit atomic operations are supported.
5963 # Note that without __atomic builtins, we can only
5964 # assume atomic loads/stores max at pointer size.
5965
5966 cat > $TMPC << EOF
5967 #include <stdint.h>
5968 int main(void)
5969 {
5970   uint64_t x = 0, y = 0;
5971 #ifdef __ATOMIC_RELAXED
5972   y = __atomic_load_8(&x, 0);
5973   __atomic_store_8(&x, y, 0);
5974   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5975   __atomic_exchange_8(&x, y, 0);
5976   __atomic_fetch_add_8(&x, y, 0);
5977 #else
5978   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5979   __sync_lock_test_and_set(&x, y);
5980   __sync_val_compare_and_swap(&x, y, 0);
5981   __sync_fetch_and_add(&x, y);
5982 #endif
5983   return 0;
5984 }
5985 EOF
5986 if compile_prog "" "" ; then
5987   atomic64=yes
5988 fi
5989
5990 #########################################
5991 # See if --dynamic-list is supported by the linker
5992 ld_dynamic_list="no"
5993 if test "$static" = "no" ; then
5994     cat > $TMPTXT <<EOF
5995 {
5996   foo;
5997 };
5998 EOF
5999
6000     cat > $TMPC <<EOF
6001 #include <stdio.h>
6002 void foo(void);
6003
6004 void foo(void)
6005 {
6006   printf("foo\n");
6007 }
6008
6009 int main(void)
6010 {
6011   foo();
6012   return 0;
6013 }
6014 EOF
6015
6016     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
6017         ld_dynamic_list="yes"
6018     fi
6019 fi
6020
6021 #########################################
6022 # See if -exported_symbols_list is supported by the linker
6023
6024 ld_exported_symbols_list="no"
6025 if test "$static" = "no" ; then
6026     cat > $TMPTXT <<EOF
6027   _foo
6028 EOF
6029
6030     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
6031         ld_exported_symbols_list="yes"
6032     fi
6033 fi
6034
6035 if  test "$plugins" = "yes" &&
6036     test "$ld_dynamic_list" = "no" &&
6037     test "$ld_exported_symbols_list" = "no" ; then
6038   error_exit \
6039       "Plugin support requires dynamic linking and specifying a set of symbols " \
6040       "that are exported to plugins. Unfortunately your linker doesn't " \
6041       "support the flag (--dynamic-list or -exported_symbols_list) used " \
6042       "for this purpose. You can't build with --static."
6043 fi
6044
6045 ########################################
6046 # See if __attribute__((alias)) is supported.
6047 # This false for Xcode 9, but has been remedied for Xcode 10.
6048 # Unfortunately, travis uses Xcode 9 by default.
6049
6050 attralias=no
6051 cat > $TMPC << EOF
6052 int x = 1;
6053 extern const int y __attribute__((alias("x")));
6054 int main(void) { return 0; }
6055 EOF
6056 if compile_prog "" "" ; then
6057     attralias=yes
6058 fi
6059
6060 ########################################
6061 # check if getauxval is available.
6062
6063 getauxval=no
6064 cat > $TMPC << EOF
6065 #include <sys/auxv.h>
6066 int main(void) {
6067   return getauxval(AT_HWCAP) == 0;
6068 }
6069 EOF
6070 if compile_prog "" "" ; then
6071     getauxval=yes
6072 fi
6073
6074 ########################################
6075 # check if ccache is interfering with
6076 # semantic analysis of macros
6077
6078 unset CCACHE_CPP2
6079 ccache_cpp2=no
6080 cat > $TMPC << EOF
6081 static const int Z = 1;
6082 #define fn() ({ Z; })
6083 #define TAUT(X) ((X) == Z)
6084 #define PAREN(X, Y) (X == Y)
6085 #define ID(X) (X)
6086 int main(int argc, char *argv[])
6087 {
6088     int x = 0, y = 0;
6089     x = ID(x);
6090     x = fn();
6091     fn();
6092     if (PAREN(x, y)) return 0;
6093     if (TAUT(Z)) return 0;
6094     return 0;
6095 }
6096 EOF
6097
6098 if ! compile_object "-Werror"; then
6099     ccache_cpp2=yes
6100 fi
6101
6102 #################################################
6103 # clang does not support glibc + FORTIFY_SOURCE.
6104
6105 if test "$fortify_source" != "no"; then
6106   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
6107     fortify_source="no";
6108   elif test -n "$cxx" && has $cxx &&
6109        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
6110     fortify_source="no";
6111   else
6112     fortify_source="yes"
6113   fi
6114 fi
6115
6116 ###############################################
6117 # Check if copy_file_range is provided by glibc
6118 have_copy_file_range=no
6119 cat > $TMPC << EOF
6120 #include <unistd.h>
6121 int main(void) {
6122   copy_file_range(0, NULL, 0, NULL, 0, 0);
6123   return 0;
6124 }
6125 EOF
6126 if compile_prog "" "" ; then
6127     have_copy_file_range=yes
6128 fi
6129
6130 ##########################################
6131 # check if struct fsxattr is available via linux/fs.h
6132
6133 have_fsxattr=no
6134 cat > $TMPC << EOF
6135 #include <linux/fs.h>
6136 struct fsxattr foo;
6137 int main(void) {
6138   return 0;
6139 }
6140 EOF
6141 if compile_prog "" "" ; then
6142     have_fsxattr=yes
6143 fi
6144
6145 ##########################################
6146 # check for usable membarrier system call
6147 if test "$membarrier" = "yes"; then
6148     have_membarrier=no
6149     if test "$mingw32" = "yes" ; then
6150         have_membarrier=yes
6151     elif test "$linux" = "yes" ; then
6152         cat > $TMPC << EOF
6153     #include <linux/membarrier.h>
6154     #include <sys/syscall.h>
6155     #include <unistd.h>
6156     #include <stdlib.h>
6157     int main(void) {
6158         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
6159         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
6160         exit(0);
6161     }
6162 EOF
6163         if compile_prog "" "" ; then
6164             have_membarrier=yes
6165         fi
6166     fi
6167     if test "$have_membarrier" = "no"; then
6168       feature_not_found "membarrier" "membarrier system call not available"
6169     fi
6170 else
6171     # Do not enable it by default even for Mingw32, because it doesn't
6172     # work on Wine.
6173     membarrier=no
6174 fi
6175
6176 ##########################################
6177 # check if rtnetlink.h exists and is useful
6178 have_rtnetlink=no
6179 cat > $TMPC << EOF
6180 #include <linux/rtnetlink.h>
6181 int main(void) {
6182   return IFLA_PROTO_DOWN;
6183 }
6184 EOF
6185 if compile_prog "" "" ; then
6186     have_rtnetlink=yes
6187 fi
6188
6189 ##########################################
6190 # check for usable AF_VSOCK environment
6191 have_af_vsock=no
6192 cat > $TMPC << EOF
6193 #include <errno.h>
6194 #include <sys/types.h>
6195 #include <sys/socket.h>
6196 #if !defined(AF_VSOCK)
6197 # error missing AF_VSOCK flag
6198 #endif
6199 #include <linux/vm_sockets.h>
6200 int main(void) {
6201     int sock, ret;
6202     struct sockaddr_vm svm;
6203     socklen_t len = sizeof(svm);
6204     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6205     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6206     if ((ret == -1) && (errno == ENOTCONN)) {
6207         return 0;
6208     }
6209     return -1;
6210 }
6211 EOF
6212 if compile_prog "" "" ; then
6213     have_af_vsock=yes
6214 fi
6215
6216 ##########################################
6217 # check for usable AF_ALG environment
6218 have_afalg=no
6219 cat > $TMPC << EOF
6220 #include <errno.h>
6221 #include <sys/types.h>
6222 #include <sys/socket.h>
6223 #include <linux/if_alg.h>
6224 int main(void) {
6225     int sock;
6226     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6227     return sock;
6228 }
6229 EOF
6230 if compile_prog "" "" ; then
6231     have_afalg=yes
6232 fi
6233 if test "$crypto_afalg" = "yes"
6234 then
6235     if test "$have_afalg" != "yes"
6236     then
6237         error_exit "AF_ALG requested but could not be detected"
6238     fi
6239 fi
6240
6241
6242 #################################################
6243 # Check to see if we have the Hypervisor framework
6244 if [ "$darwin" = "yes" ] ; then
6245   cat > $TMPC << EOF
6246 #include <Hypervisor/hv.h>
6247 int main() { return 0;}
6248 EOF
6249   if ! compile_object ""; then
6250     hvf='no'
6251   else
6252     hvf='yes'
6253     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6254   fi
6255 fi
6256
6257 ##########################################
6258 # check for sysmacros.h
6259
6260 have_sysmacros=no
6261 cat > $TMPC << EOF
6262 #include <sys/sysmacros.h>
6263 int main(void) {
6264     return makedev(0, 0);
6265 }
6266 EOF
6267 if compile_prog "" "" ; then
6268     have_sysmacros=yes
6269 fi
6270
6271 ##########################################
6272 # check for _Static_assert()
6273
6274 have_static_assert=no
6275 cat > $TMPC << EOF
6276 _Static_assert(1, "success");
6277 int main(void) {
6278     return 0;
6279 }
6280 EOF
6281 if compile_prog "" "" ; then
6282     have_static_assert=yes
6283 fi
6284
6285 ##########################################
6286 # check for utmpx.h, it is missing e.g. on OpenBSD
6287
6288 have_utmpx=no
6289 cat > $TMPC << EOF
6290 #include <utmpx.h>
6291 struct utmpx user_info;
6292 int main(void) {
6293     return 0;
6294 }
6295 EOF
6296 if compile_prog "" "" ; then
6297     have_utmpx=yes
6298 fi
6299
6300 ##########################################
6301 # check for getrandom()
6302
6303 have_getrandom=no
6304 cat > $TMPC << EOF
6305 #include <sys/random.h>
6306 int main(void) {
6307     return getrandom(0, 0, GRND_NONBLOCK);
6308 }
6309 EOF
6310 if compile_prog "" "" ; then
6311     have_getrandom=yes
6312 fi
6313
6314 ##########################################
6315 # checks for sanitizers
6316
6317 have_asan=no
6318 have_ubsan=no
6319 have_asan_iface_h=no
6320 have_asan_iface_fiber=no
6321
6322 if test "$sanitizers" = "yes" ; then
6323   write_c_skeleton
6324   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6325       have_asan=yes
6326   fi
6327
6328   # we could use a simple skeleton for flags checks, but this also
6329   # detect the static linking issue of ubsan, see also:
6330   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6331   cat > $TMPC << EOF
6332 #include <stdlib.h>
6333 int main(void) {
6334     void *tmp = malloc(10);
6335     if (tmp != NULL) {
6336         return *(int *)(tmp + 2);
6337     }
6338     return 1;
6339 }
6340 EOF
6341   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6342       have_ubsan=yes
6343   fi
6344
6345   if check_include "sanitizer/asan_interface.h" ; then
6346       have_asan_iface_h=yes
6347   fi
6348
6349   cat > $TMPC << EOF
6350 #include <sanitizer/asan_interface.h>
6351 int main(void) {
6352   __sanitizer_start_switch_fiber(0, 0, 0);
6353   return 0;
6354 }
6355 EOF
6356   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6357       have_asan_iface_fiber=yes
6358   fi
6359 fi
6360
6361 ##########################################
6362 # checks for fuzzer
6363 if test "$fuzzing" = "yes" ; then
6364   write_c_fuzzer_skeleton
6365   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6366     have_fuzzer=yes
6367   else
6368     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6369     exit 1
6370   fi
6371 fi
6372
6373 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6374 # keep it separate until that is not the case.
6375 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6376   error_exit "TSAN is not supported with other sanitiziers."
6377 fi
6378 have_tsan=no
6379 have_tsan_iface_fiber=no
6380 if test "$tsan" = "yes" ; then
6381   write_c_skeleton
6382   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6383       have_tsan=yes
6384   fi
6385   cat > $TMPC << EOF
6386 #include <sanitizer/tsan_interface.h>
6387 int main(void) {
6388   __tsan_create_fiber(0);
6389   return 0;
6390 }
6391 EOF
6392   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6393       have_tsan_iface_fiber=yes
6394   fi
6395 fi
6396
6397 ##########################################
6398 # check for libpmem
6399
6400 if test "$libpmem" != "no"; then
6401         if $pkg_config --exists "libpmem"; then
6402                 libpmem="yes"
6403                 libpmem_libs=$($pkg_config --libs libpmem)
6404                 libpmem_cflags=$($pkg_config --cflags libpmem)
6405                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6406         else
6407                 if test "$libpmem" = "yes" ; then
6408                         feature_not_found "libpmem" "Install nvml or pmdk"
6409                 fi
6410                 libpmem="no"
6411         fi
6412 fi
6413
6414 ##########################################
6415 # check for libdaxctl
6416
6417 if test "$libdaxctl" != "no"; then
6418         if $pkg_config --atleast-version=57 "libdaxctl"; then
6419                 libdaxctl="yes"
6420                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6421                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6422                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6423         else
6424                 if test "$libdaxctl" = "yes" ; then
6425                         feature_not_found "libdaxctl" "Install libdaxctl"
6426                 fi
6427                 libdaxctl="no"
6428         fi
6429 fi
6430
6431 ##########################################
6432 # check for slirp
6433
6434 # slirp is only required when building softmmu targets
6435 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6436     slirp="no"
6437 fi
6438
6439 case "$slirp" in
6440   "" | yes)
6441     if $pkg_config slirp; then
6442       slirp=system
6443     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6444       slirp=git
6445     elif test -e "${source_path}/slirp/Makefile" ; then
6446       slirp=internal
6447     elif test -z "$slirp" ; then
6448       slirp=no
6449     else
6450       feature_not_found "slirp" "Install slirp devel or git submodule"
6451     fi
6452     ;;
6453
6454   system)
6455     if ! $pkg_config slirp; then
6456       feature_not_found "slirp" "Install slirp devel"
6457     fi
6458     ;;
6459 esac
6460
6461 case "$slirp" in
6462   git | internal)
6463     if test "$slirp" = git; then
6464       git_submodules="${git_submodules} slirp"
6465     fi
6466     mkdir -p slirp
6467     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6468     slirp_libs="-L$PWD/slirp -lslirp"
6469     if test "$mingw32" = "yes" ; then
6470       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6471     fi
6472     ;;
6473
6474   system)
6475     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6476     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6477     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6478     ;;
6479
6480   no)
6481     ;;
6482   *)
6483     error_exit "Unknown state for slirp: $slirp"
6484     ;;
6485 esac
6486
6487 ##########################################
6488 # check for usable __NR_keyctl syscall
6489
6490 if test "$linux" = "yes" ; then
6491
6492     have_keyring=no
6493     cat > $TMPC << EOF
6494 #include <errno.h>
6495 #include <asm/unistd.h>
6496 #include <linux/keyctl.h>
6497 #include <unistd.h>
6498 int main(void) {
6499     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6500 }
6501 EOF
6502     if compile_prog "" "" ; then
6503         have_keyring=yes
6504     fi
6505 fi
6506 if test "$secret_keyring" != "no"
6507 then
6508     if test "$have_keyring" = "yes"
6509     then
6510         secret_keyring=yes
6511     else
6512         if test "$secret_keyring" = "yes"
6513         then
6514             error_exit "syscall __NR_keyctl requested, \
6515 but not implemented on your system"
6516         else
6517             secret_keyring=no
6518         fi
6519     fi
6520 fi
6521
6522 ##########################################
6523 # check for usable keyutils.h
6524
6525 if test "$linux" = "yes" ; then
6526
6527     have_keyutils=no
6528     cat > $TMPC << EOF
6529 #include <errno.h>
6530 #include <asm/unistd.h>
6531 #include <unistd.h>
6532 #include <sys/types.h>
6533 #include <keyutils.h>
6534 int main(void) {
6535     return request_key("user", NULL, NULL, 0);
6536 }
6537 EOF
6538     if compile_prog "" "-lkeyutils"; then
6539         have_keyutils=yes
6540     fi
6541 fi
6542
6543
6544 ##########################################
6545 # End of CC checks
6546 # After here, no more $cc or $ld runs
6547
6548 write_c_skeleton
6549
6550 if test "$gcov" = "yes" ; then
6551   :
6552 elif test "$fortify_source" = "yes" ; then
6553   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6554   debug=no
6555 fi
6556 if test "$debug_info" = "yes"; then
6557   CFLAGS="-g $CFLAGS"
6558   LDFLAGS="-g $LDFLAGS"
6559 fi
6560 if test "$debug" = "no"; then
6561   CFLAGS="-O2 $CFLAGS"
6562 fi
6563
6564 case "$ARCH" in
6565 alpha)
6566   # Ensure there's only a single GP
6567   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6568 ;;
6569 esac
6570
6571 if test "$gprof" = "yes" ; then
6572   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6573   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6574 fi
6575
6576 if test "$have_asan" = "yes"; then
6577   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6578   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6579   if test "$have_asan_iface_h" = "no" ; then
6580       echo "ASAN build enabled, but ASAN header missing." \
6581            "Without code annotation, the report may be inferior."
6582   elif test "$have_asan_iface_fiber" = "no" ; then
6583       echo "ASAN build enabled, but ASAN header is too old." \
6584            "Without code annotation, the report may be inferior."
6585   fi
6586 fi
6587 if test "$have_tsan" = "yes" ; then
6588   if test "$have_tsan_iface_fiber" = "yes" ; then
6589     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6590     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6591   else
6592     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6593   fi
6594 elif test "$tsan" = "yes" ; then
6595   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6596 fi
6597 if test "$have_ubsan" = "yes"; then
6598   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6599   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6600 fi
6601
6602 ##########################################
6603 # Do we have libnfs
6604 if test "$libnfs" != "no" ; then
6605   if $pkg_config --atleast-version=1.9.3 libnfs; then
6606     libnfs="yes"
6607     libnfs_libs=$($pkg_config --libs libnfs)
6608   else
6609     if test "$libnfs" = "yes" ; then
6610       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6611     fi
6612     libnfs="no"
6613   fi
6614 fi
6615
6616 ##########################################
6617 # Do we have libudev
6618 if test "$libudev" != "no" ; then
6619   if $pkg_config libudev && test "$static" != "yes"; then
6620     libudev="yes"
6621     libudev_libs=$($pkg_config --libs libudev)
6622   else
6623     libudev="no"
6624   fi
6625 fi
6626
6627 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6628 if test "$werror" = "yes"; then
6629     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6630 fi
6631
6632 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6633 if test "$solaris" = "no" && test "$tsan" = "no"; then
6634     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6635         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6636     fi
6637 fi
6638
6639 # test if pod2man has --utf8 option
6640 if pod2man --help | grep -q utf8; then
6641     POD2MAN="pod2man --utf8"
6642 else
6643     POD2MAN="pod2man"
6644 fi
6645
6646 # Use ASLR, no-SEH and DEP if available
6647 if test "$mingw32" = "yes" ; then
6648     for flag in --dynamicbase --no-seh --nxcompat; do
6649         if ld_has $flag ; then
6650             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6651         fi
6652     done
6653 fi
6654
6655 # Disable OpenBSD W^X if available
6656 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6657     cat > $TMPC <<EOF
6658     int main(void) { return 0; }
6659 EOF
6660     wx_ldflags="-Wl,-z,wxneeded"
6661     if compile_prog "" "$wx_ldflags"; then
6662         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6663     fi
6664 fi
6665
6666 qemu_confdir=$sysconfdir$confsuffix
6667 qemu_moddir=$libdir$confsuffix
6668 qemu_datadir=$datadir$confsuffix
6669 qemu_localedir="$datadir/locale"
6670 qemu_icondir="$datadir/icons"
6671 qemu_desktopdir="$datadir/applications"
6672
6673 # We can only support ivshmem if we have eventfd
6674 if [ "$eventfd" = "yes" ]; then
6675   ivshmem=yes
6676 fi
6677
6678 if test "$softmmu" = yes ; then
6679   if test "$linux" = yes; then
6680     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6681       virtfs=yes
6682     else
6683       if test "$virtfs" = yes; then
6684         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6685       fi
6686       virtfs=no
6687     fi
6688     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6689       mpath=yes
6690     else
6691       if test "$mpath" = yes; then
6692         error_exit "Multipath requires libmpathpersist devel"
6693       fi
6694       mpath=no
6695     fi
6696   else
6697     if test "$virtfs" = yes; then
6698       error_exit "VirtFS is supported only on Linux"
6699     fi
6700     virtfs=no
6701     if test "$mpath" = yes; then
6702       error_exit "Multipath is supported only on Linux"
6703     fi
6704     mpath=no
6705   fi
6706 fi
6707
6708 # Probe for guest agent support/options
6709
6710 if [ "$guest_agent" != "no" ]; then
6711   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6712       guest_agent=no
6713   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6714       guest_agent=yes
6715   elif [ "$guest_agent" != yes ]; then
6716       guest_agent=no
6717   else
6718       error_exit "Guest agent is not supported on this platform"
6719   fi
6720 fi
6721
6722 # Guest agent Window MSI  package
6723
6724 if test "$guest_agent" != yes; then
6725   if test "$guest_agent_msi" = yes; then
6726     error_exit "MSI guest agent package requires guest agent enabled"
6727   fi
6728   guest_agent_msi=no
6729 elif test "$mingw32" != "yes"; then
6730   if test "$guest_agent_msi" = "yes"; then
6731     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6732   fi
6733   guest_agent_msi=no
6734 elif ! has wixl; then
6735   if test "$guest_agent_msi" = "yes"; then
6736     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6737   fi
6738   guest_agent_msi=no
6739 else
6740   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6741   # disabled explicitly
6742   if test "$guest_agent_msi" != "no"; then
6743     guest_agent_msi=yes
6744   fi
6745 fi
6746
6747 if test "$guest_agent_msi" = "yes"; then
6748   if test "$guest_agent_with_vss" = "yes"; then
6749     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6750   fi
6751
6752   if test "$QEMU_GA_MANUFACTURER" = ""; then
6753     QEMU_GA_MANUFACTURER=QEMU
6754   fi
6755
6756   if test "$QEMU_GA_DISTRO" = ""; then
6757     QEMU_GA_DISTRO=Linux
6758   fi
6759
6760   if test "$QEMU_GA_VERSION" = ""; then
6761       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6762   fi
6763
6764   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6765
6766   case "$cpu" in
6767   x86_64)
6768     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6769     ;;
6770   i386)
6771     QEMU_GA_MSI_ARCH="-D Arch=32"
6772     ;;
6773   *)
6774     error_exit "CPU $cpu not supported for building installation package"
6775     ;;
6776   esac
6777 fi
6778
6779 # Mac OS X ships with a broken assembler
6780 roms=
6781 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6782         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6783         test "$softmmu" = yes ; then
6784     # Different host OS linkers have different ideas about the name of the ELF
6785     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6786     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6787     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6788         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6789             ld_i386_emulation="$emu"
6790             roms="optionrom"
6791             break
6792         fi
6793     done
6794 fi
6795
6796 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6797 if test "$cpu" = "s390x" ; then
6798   write_c_skeleton
6799   if compile_prog "-march=z900" ""; then
6800     roms="$roms s390-ccw"
6801     # SLOF is required for building the s390-ccw firmware on s390x,
6802     # since it is using the libnet code from SLOF for network booting.
6803     if test -e "${source_path}/.git" ; then
6804       git_submodules="${git_submodules} roms/SLOF"
6805     fi
6806   fi
6807 fi
6808
6809 # Check that the C++ compiler exists and works with the C compiler.
6810 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6811 if has $cxx; then
6812     cat > $TMPC <<EOF
6813 int c_function(void);
6814 int main(void) { return c_function(); }
6815 EOF
6816
6817     compile_object
6818
6819     cat > $TMPCXX <<EOF
6820 extern "C" {
6821    int c_function(void);
6822 }
6823 int c_function(void) { return 42; }
6824 EOF
6825
6826     update_cxxflags
6827
6828     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6829         # C++ compiler $cxx works ok with C compiler $cc
6830         :
6831     else
6832         echo "C++ compiler $cxx does not work with C compiler $cc"
6833         echo "Disabling C++ specific optional code"
6834         cxx=
6835     fi
6836 else
6837     echo "No C++ compiler available; disabling C++ specific optional code"
6838     cxx=
6839 fi
6840
6841 echo_version() {
6842     if test "$1" = "yes" ; then
6843         echo "($2)"
6844     fi
6845 }
6846
6847 # prepend pixman and ftd flags after all config tests are done
6848 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6849 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6850
6851 config_host_mak="config-host.mak"
6852
6853 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6854
6855 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6856 echo >> $config_host_mak
6857
6858 echo all: >> $config_host_mak
6859 echo "prefix=$prefix" >> $config_host_mak
6860 echo "bindir=$bindir" >> $config_host_mak
6861 echo "libdir=$libdir" >> $config_host_mak
6862 echo "libexecdir=$libexecdir" >> $config_host_mak
6863 echo "includedir=$includedir" >> $config_host_mak
6864 echo "mandir=$mandir" >> $config_host_mak
6865 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6866 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6867 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6868 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6869 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6870 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6871 if test "$mingw32" = "no" ; then
6872   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6873 fi
6874 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6875 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6876 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6877 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6878 echo "GIT=$git" >> $config_host_mak
6879 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6880 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6881
6882 echo "ARCH=$ARCH" >> $config_host_mak
6883
6884 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
6885 echo "GLIB_LDFLAGS=$glib_ldflags" >> $config_host_mak
6886
6887 if test "$default_devices" = "yes" ; then
6888   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6889 else
6890   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6891 fi
6892 if test "$debug_tcg" = "yes" ; then
6893   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6894 fi
6895 if test "$strip_opt" = "yes" ; then
6896   echo "STRIP=${strip}" >> $config_host_mak
6897 fi
6898 if test "$bigendian" = "yes" ; then
6899   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6900 fi
6901 if test "$mingw32" = "yes" ; then
6902   echo "CONFIG_WIN32=y" >> $config_host_mak
6903   rc_version=$(cat $source_path/VERSION)
6904   version_major=${rc_version%%.*}
6905   rc_version=${rc_version#*.}
6906   version_minor=${rc_version%%.*}
6907   rc_version=${rc_version#*.}
6908   version_subminor=${rc_version%%.*}
6909   version_micro=0
6910   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6911   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6912   if test "$guest_agent_with_vss" = "yes" ; then
6913     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6914     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6915     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6916   fi
6917   if test "$guest_agent_ntddscsi" = "yes" ; then
6918     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6919   fi
6920   if test "$guest_agent_msi" = "yes"; then
6921     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6922     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6923     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6924     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6925     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6926     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6927     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6928   fi
6929 else
6930   echo "CONFIG_POSIX=y" >> $config_host_mak
6931 fi
6932
6933 if test "$linux" = "yes" ; then
6934   echo "CONFIG_LINUX=y" >> $config_host_mak
6935 fi
6936
6937 if test "$darwin" = "yes" ; then
6938   echo "CONFIG_DARWIN=y" >> $config_host_mak
6939 fi
6940
6941 if test "$solaris" = "yes" ; then
6942   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6943 fi
6944 if test "$haiku" = "yes" ; then
6945   echo "CONFIG_HAIKU=y" >> $config_host_mak
6946 fi
6947 if test "$static" = "yes" ; then
6948   echo "CONFIG_STATIC=y" >> $config_host_mak
6949 fi
6950 if test "$profiler" = "yes" ; then
6951   echo "CONFIG_PROFILER=y" >> $config_host_mak
6952 fi
6953 if test "$want_tools" = "yes" ; then
6954   echo "CONFIG_TOOLS=y" >> $config_host_mak
6955 fi
6956 if test "$guest_agent" = "yes" ; then
6957   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6958 fi
6959 if test "$slirp" != "no"; then
6960   echo "CONFIG_SLIRP=y" >> $config_host_mak
6961   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6962   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6963   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6964 fi
6965 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6966     echo "config-host.h: slirp/all" >> $config_host_mak
6967 fi
6968 if test "$vde" = "yes" ; then
6969   echo "CONFIG_VDE=y" >> $config_host_mak
6970   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6971 fi
6972 if test "$netmap" = "yes" ; then
6973   echo "CONFIG_NETMAP=y" >> $config_host_mak
6974 fi
6975 if test "$l2tpv3" = "yes" ; then
6976   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6977 fi
6978 if test "$gprof" = "yes" ; then
6979   echo "CONFIG_GPROF=y" >> $config_host_mak
6980 fi
6981 if test "$cap_ng" = "yes" ; then
6982   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6983   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6984 fi
6985 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6986 for drv in $audio_drv_list; do
6987     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6988     echo "$def=y" >> $config_host_mak
6989 done
6990 if test "$alsa" = "yes" ; then
6991     echo "CONFIG_ALSA=y" >> $config_host_mak
6992 fi
6993 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6994 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6995 if test "$libpulse" = "yes" ; then
6996     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6997 fi
6998 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6999 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
7000 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
7001 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
7002 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
7003 if test "$libjack" = "yes" ; then
7004     echo "CONFIG_LIBJACK=y" >> $config_host_mak
7005 fi
7006 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
7007 if test "$audio_win_int" = "yes" ; then
7008   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
7009 fi
7010 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
7011 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
7012 if test "$vnc" = "yes" ; then
7013   echo "CONFIG_VNC=y" >> $config_host_mak
7014 fi
7015 if test "$vnc_sasl" = "yes" ; then
7016   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
7017 fi
7018 echo "SASL_CFLAGS=$vnc_sasl_cflags" >> $config_host_mak
7019 echo "SASL_LIBS=$vnc_sasl_libs" >> $config_host_mak
7020 if test "$vnc_jpeg" = "yes" ; then
7021   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
7022 fi
7023 echo "JPEG_CFLAGS=$vnc_jpeg_cflags" >> $config_host_mak
7024 echo "JPEG_LIBS=$vnc_jpeg_libs" >> $config_host_mak
7025 if test "$vnc_png" = "yes" ; then
7026   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
7027 fi
7028 echo "PNG_CFLAGS=$vnc_png_cflags" >> $config_host_mak
7029 echo "PNG_LIBS=$vnc_png_libs" >> $config_host_mak
7030 if test "$xkbcommon" = "yes" ; then
7031   echo "CONFIG_XKBCOMMON=y" >> $config_host_mak
7032   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
7033   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
7034 fi
7035 if test "$xfs" = "yes" ; then
7036   echo "CONFIG_XFS=y" >> $config_host_mak
7037 fi
7038 qemu_version=$(head $source_path/VERSION)
7039 echo "VERSION=$qemu_version" >>$config_host_mak
7040 echo "PKGVERSION=$pkgversion" >>$config_host_mak
7041 echo "SRC_PATH=$source_path" >> $config_host_mak
7042 echo "TARGET_DIRS=$target_list" >> $config_host_mak
7043 if [ "$docs" = "yes" ] ; then
7044   echo "BUILD_DOCS=yes" >> $config_host_mak
7045 fi
7046 if test "$modules" = "yes"; then
7047   # $shacmd can generate a hash started with digit, which the compiler doesn't
7048   # like as an symbol. So prefix it with an underscore
7049   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
7050   echo "CONFIG_MODULES=y" >> $config_host_mak
7051 fi
7052 if test "$module_upgrades" = "yes"; then
7053   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
7054 fi
7055 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
7056   echo "CONFIG_X11=y" >> $config_host_mak
7057   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
7058   echo "X11_LIBS=$x11_libs" >> $config_host_mak
7059 fi
7060 if test "$sdl" = "yes" ; then
7061   echo "CONFIG_SDL=m" >> $config_host_mak
7062   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
7063   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
7064   if test "$sdl_image" = "yes" ; then
7065       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
7066   fi
7067 fi
7068 if test "$cocoa" = "yes" ; then
7069   echo "CONFIG_COCOA=y" >> $config_host_mak
7070 fi
7071 if test "$iconv" = "yes" ; then
7072   echo "CONFIG_ICONV=y" >> $config_host_mak
7073   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
7074   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
7075 fi
7076 if test "$curses" = "yes" ; then
7077   echo "CONFIG_CURSES=y" >> $config_host_mak
7078   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
7079   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
7080 fi
7081 if test "$pipe2" = "yes" ; then
7082   echo "CONFIG_PIPE2=y" >> $config_host_mak
7083 fi
7084 if test "$accept4" = "yes" ; then
7085   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
7086 fi
7087 if test "$splice" = "yes" ; then
7088   echo "CONFIG_SPLICE=y" >> $config_host_mak
7089 fi
7090 if test "$eventfd" = "yes" ; then
7091   echo "CONFIG_EVENTFD=y" >> $config_host_mak
7092 fi
7093 if test "$memfd" = "yes" ; then
7094   echo "CONFIG_MEMFD=y" >> $config_host_mak
7095 fi
7096 if test "$have_usbfs" = "yes" ; then
7097   echo "CONFIG_USBFS=y" >> $config_host_mak
7098 fi
7099 if test "$fallocate" = "yes" ; then
7100   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
7101 fi
7102 if test "$fallocate_punch_hole" = "yes" ; then
7103   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7104 fi
7105 if test "$fallocate_zero_range" = "yes" ; then
7106   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7107 fi
7108 if test "$posix_fallocate" = "yes" ; then
7109   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7110 fi
7111 if test "$sync_file_range" = "yes" ; then
7112   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7113 fi
7114 if test "$fiemap" = "yes" ; then
7115   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7116 fi
7117 if test "$dup3" = "yes" ; then
7118   echo "CONFIG_DUP3=y" >> $config_host_mak
7119 fi
7120 if test "$ppoll" = "yes" ; then
7121   echo "CONFIG_PPOLL=y" >> $config_host_mak
7122 fi
7123 if test "$prctl_pr_set_timerslack" = "yes" ; then
7124   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7125 fi
7126 if test "$epoll" = "yes" ; then
7127   echo "CONFIG_EPOLL=y" >> $config_host_mak
7128 fi
7129 if test "$epoll_create1" = "yes" ; then
7130   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7131 fi
7132 if test "$sendfile" = "yes" ; then
7133   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7134 fi
7135 if test "$timerfd" = "yes" ; then
7136   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7137 fi
7138 if test "$setns" = "yes" ; then
7139   echo "CONFIG_SETNS=y" >> $config_host_mak
7140 fi
7141 if test "$clock_adjtime" = "yes" ; then
7142   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7143 fi
7144 if test "$syncfs" = "yes" ; then
7145   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7146 fi
7147 if test "$kcov" = "yes" ; then
7148   echo "CONFIG_KCOV=y" >> $config_host_mak
7149 fi
7150 if test "$inotify" = "yes" ; then
7151   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7152 fi
7153 if test "$inotify1" = "yes" ; then
7154   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7155 fi
7156 if test "$sem_timedwait" = "yes" ; then
7157   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7158 fi
7159 if test "$strchrnul" = "yes" ; then
7160   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7161 fi
7162 if test "$st_atim" = "yes" ; then
7163   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7164 fi
7165 if test "$byteswap_h" = "yes" ; then
7166   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7167 fi
7168 if test "$bswap_h" = "yes" ; then
7169   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7170 fi
7171 if test "$curl" = "yes" ; then
7172   echo "CONFIG_CURL=y" >> $config_host_mak
7173   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7174   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7175 fi
7176 if test "$brlapi" = "yes" ; then
7177   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7178   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7179 fi
7180 if test "$gtk" = "yes" ; then
7181   echo "CONFIG_GTK=y" >> $config_host_mak
7182   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7183   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7184   if test "$gtk_gl" = "yes" ; then
7185     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7186   fi
7187 fi
7188 if test "$gio" = "yes" ; then
7189     echo "CONFIG_GIO=y" >> $config_host_mak
7190     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7191     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7192     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7193 fi
7194 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7195 if test "$gnutls" = "yes" ; then
7196   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7197   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
7198   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
7199 fi
7200 if test "$gcrypt" = "yes" ; then
7201   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7202   if test "$gcrypt_hmac" = "yes" ; then
7203     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7204   fi
7205 fi
7206 if test "$nettle" = "yes" ; then
7207   echo "CONFIG_NETTLE=y" >> $config_host_mak
7208   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7209   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
7210   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
7211 fi
7212 if test "$qemu_private_xts" = "yes" ; then
7213   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7214 fi
7215 if test "$tasn1" = "yes" ; then
7216   echo "CONFIG_TASN1=y" >> $config_host_mak
7217 fi
7218 if test "$auth_pam" = "yes" ; then
7219     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7220 fi
7221 if test "$have_ifaddrs_h" = "yes" ; then
7222     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7223 fi
7224 if test "$have_drm_h" = "yes" ; then
7225   echo "HAVE_DRM_H=y" >> $config_host_mak
7226 fi
7227 if test "$have_broken_size_max" = "yes" ; then
7228     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7229 fi
7230 if test "$have_openpty" = "yes" ; then
7231     echo "HAVE_OPENPTY=y" >> $config_host_mak
7232 fi
7233 if test "$have_sys_signal_h" = "yes" ; then
7234     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7235 fi
7236
7237 # Work around a system header bug with some kernel/XFS header
7238 # versions where they both try to define 'struct fsxattr':
7239 # xfs headers will not try to redefine structs from linux headers
7240 # if this macro is set.
7241 if test "$have_fsxattr" = "yes" ; then
7242     echo "HAVE_FSXATTR=y" >> $config_host_mak
7243 fi
7244 if test "$have_copy_file_range" = "yes" ; then
7245     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7246 fi
7247 if test "$vte" = "yes" ; then
7248   echo "CONFIG_VTE=y" >> $config_host_mak
7249   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7250   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7251 fi
7252 if test "$virglrenderer" = "yes" ; then
7253   echo "CONFIG_VIRGL=y" >> $config_host_mak
7254   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7255   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7256 fi
7257 if test "$xen" = "yes" ; then
7258   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7259   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7260   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7261   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7262 fi
7263 if test "$linux_aio" = "yes" ; then
7264   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7265 fi
7266 if test "$linux_io_uring" = "yes" ; then
7267   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7268   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7269   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7270 fi
7271 if test "$attr" = "yes" ; then
7272   echo "CONFIG_ATTR=y" >> $config_host_mak
7273   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7274 fi
7275 if test "$libattr" = "yes" ; then
7276   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7277 fi
7278 if test "$virtfs" = "yes" ; then
7279   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7280 fi
7281 if test "$mpath" = "yes" ; then
7282   echo "CONFIG_MPATH=y" >> $config_host_mak
7283   if test "$mpathpersist_new_api" = "yes"; then
7284     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7285   fi
7286 fi
7287 if test "$vhost_scsi" = "yes" ; then
7288   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7289 fi
7290 if test "$vhost_net" = "yes" ; then
7291   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7292 fi
7293 if test "$vhost_net_user" = "yes" ; then
7294   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7295 fi
7296 if test "$vhost_net_vdpa" = "yes" ; then
7297   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7298 fi
7299 if test "$vhost_crypto" = "yes" ; then
7300   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7301 fi
7302 if test "$vhost_vsock" = "yes" ; then
7303   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7304   if test "$vhost_user" = "yes" ; then
7305     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7306   fi
7307 fi
7308 if test "$vhost_kernel" = "yes" ; then
7309   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7310 fi
7311 if test "$vhost_user" = "yes" ; then
7312   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7313 fi
7314 if test "$vhost_vdpa" = "yes" ; then
7315   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7316 fi
7317 if test "$vhost_user_fs" = "yes" ; then
7318   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7319 fi
7320 if test "$blobs" = "yes" ; then
7321   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7322 fi
7323 if test "$iovec" = "yes" ; then
7324   echo "CONFIG_IOVEC=y" >> $config_host_mak
7325 fi
7326 if test "$preadv" = "yes" ; then
7327   echo "CONFIG_PREADV=y" >> $config_host_mak
7328 fi
7329 if test "$fdt" != "no" ; then
7330   echo "CONFIG_FDT=y" >> $config_host_mak
7331   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7332   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7333 fi
7334 if test "$membarrier" = "yes" ; then
7335   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7336 fi
7337 if test "$signalfd" = "yes" ; then
7338   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7339 fi
7340 if test "$optreset" = "yes" ; then
7341   echo "HAVE_OPTRESET=y" >> $config_host_mak
7342 fi
7343 if test "$tcg" = "yes"; then
7344   echo "CONFIG_TCG=y" >> $config_host_mak
7345   if test "$tcg_interpreter" = "yes" ; then
7346     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7347   fi
7348 fi
7349 if test "$fdatasync" = "yes" ; then
7350   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7351 fi
7352 if test "$madvise" = "yes" ; then
7353   echo "CONFIG_MADVISE=y" >> $config_host_mak
7354 fi
7355 if test "$posix_madvise" = "yes" ; then
7356   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7357 fi
7358 if test "$posix_memalign" = "yes" ; then
7359   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7360 fi
7361 if test "$zlib" != "no" ; then
7362     echo "CONFIG_ZLIB=y" >> $config_host_mak
7363     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7364     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7365 fi
7366 if test "$spice" = "yes" ; then
7367   echo "CONFIG_SPICE=y" >> $config_host_mak
7368   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7369   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7370 fi
7371
7372 if test "$smartcard" = "yes" ; then
7373   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7374   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7375   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7376 fi
7377
7378 if test "$libusb" = "yes" ; then
7379   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7380   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7381   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7382 fi
7383
7384 if test "$usb_redir" = "yes" ; then
7385   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7386   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7387   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7388 fi
7389
7390 if test "$opengl" = "yes" ; then
7391   echo "CONFIG_OPENGL=y" >> $config_host_mak
7392   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7393   if test "$opengl_dmabuf" = "yes" ; then
7394     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7395   fi
7396 fi
7397
7398 if test "$gbm" = "yes" ; then
7399     echo "CONFIG_GBM=y" >> $config_host_mak
7400     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7401     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7402 fi
7403
7404
7405 if test "$malloc_trim" = "yes" ; then
7406   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7407 fi
7408
7409 if test "$avx2_opt" = "yes" ; then
7410   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7411 fi
7412
7413 if test "$avx512f_opt" = "yes" ; then
7414   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7415 fi
7416
7417 if test "$lzo" = "yes" ; then
7418   echo "CONFIG_LZO=y" >> $config_host_mak
7419   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7420 fi
7421
7422 if test "$snappy" = "yes" ; then
7423   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7424   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7425 fi
7426
7427 if test "$bzip2" = "yes" ; then
7428   echo "CONFIG_BZIP2=y" >> $config_host_mak
7429   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7430 fi
7431
7432 if test "$lzfse" = "yes" ; then
7433   echo "CONFIG_LZFSE=y" >> $config_host_mak
7434   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7435 fi
7436
7437 if test "$zstd" = "yes" ; then
7438   echo "CONFIG_ZSTD=y" >> $config_host_mak
7439   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7440   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7441 fi
7442
7443 if test "$libiscsi" = "yes" ; then
7444   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7445   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7446   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7447 fi
7448
7449 if test "$libnfs" = "yes" ; then
7450   echo "CONFIG_LIBNFS=y" >> $config_host_mak
7451   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7452 fi
7453
7454 if test "$seccomp" = "yes"; then
7455   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7456   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7457   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7458 fi
7459
7460 # XXX: suppress that
7461 if [ "$bsd" = "yes" ] ; then
7462   echo "CONFIG_BSD=y" >> $config_host_mak
7463 fi
7464
7465 if test "$localtime_r" = "yes" ; then
7466   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7467 fi
7468 if test "$qom_cast_debug" = "yes" ; then
7469   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7470 fi
7471 if test "$rbd" = "yes" ; then
7472   echo "CONFIG_RBD=y" >> $config_host_mak
7473   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7474 fi
7475
7476 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7477 if test "$coroutine_pool" = "yes" ; then
7478   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7479 else
7480   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7481 fi
7482
7483 if test "$debug_stack_usage" = "yes" ; then
7484   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7485 fi
7486
7487 if test "$crypto_afalg" = "yes" ; then
7488   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7489 fi
7490
7491 if test "$open_by_handle_at" = "yes" ; then
7492   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7493 fi
7494
7495 if test "$linux_magic_h" = "yes" ; then
7496   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7497 fi
7498
7499 if test "$valgrind_h" = "yes" ; then
7500   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7501 fi
7502
7503 if test "$have_asan_iface_fiber" = "yes" ; then
7504     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7505 fi
7506
7507 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7508     echo "CONFIG_TSAN=y" >> $config_host_mak
7509 fi
7510
7511 if test "$has_environ" = "yes" ; then
7512   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7513 fi
7514
7515 if test "$cpuid_h" = "yes" ; then
7516   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7517 fi
7518
7519 if test "$int128" = "yes" ; then
7520   echo "CONFIG_INT128=y" >> $config_host_mak
7521 fi
7522
7523 if test "$atomic128" = "yes" ; then
7524   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7525 fi
7526
7527 if test "$cmpxchg128" = "yes" ; then
7528   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7529 fi
7530
7531 if test "$atomic64" = "yes" ; then
7532   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7533 fi
7534
7535 if test "$attralias" = "yes" ; then
7536   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7537 fi
7538
7539 if test "$getauxval" = "yes" ; then
7540   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7541 fi
7542
7543 if test "$glusterfs" = "yes" ; then
7544   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7545   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7546   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7547 fi
7548
7549 if test "$glusterfs_xlator_opt" = "yes" ; then
7550   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7551 fi
7552
7553 if test "$glusterfs_discard" = "yes" ; then
7554   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7555 fi
7556
7557 if test "$glusterfs_fallocate" = "yes" ; then
7558   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7559 fi
7560
7561 if test "$glusterfs_zerofill" = "yes" ; then
7562   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7563 fi
7564
7565 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7566   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7567 fi
7568
7569 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7570   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7571 fi
7572
7573 if test "$libssh" = "yes" ; then
7574   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7575   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7576   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7577 fi
7578
7579 if test "$live_block_migration" = "yes" ; then
7580   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7581 fi
7582
7583 if test "$tpm" = "yes"; then
7584   echo 'CONFIG_TPM=y' >> $config_host_mak
7585 fi
7586
7587 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7588 if have_backend "nop"; then
7589   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7590 fi
7591 if have_backend "simple"; then
7592   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7593   # Set the appropriate trace file.
7594   trace_file="\"$trace_file-\" FMT_pid"
7595 fi
7596 if have_backend "log"; then
7597   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7598 fi
7599 if have_backend "ust"; then
7600   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7601   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7602   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7603 fi
7604 if have_backend "dtrace"; then
7605   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7606   if test "$trace_backend_stap" = "yes" ; then
7607     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7608   fi
7609 fi
7610 if have_backend "ftrace"; then
7611   if test "$linux" = "yes" ; then
7612     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7613   else
7614     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7615   fi
7616 fi
7617 if have_backend "syslog"; then
7618   if test "$posix_syslog" = "yes" ; then
7619     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7620   else
7621     feature_not_found "syslog(trace backend)" "syslog not available"
7622   fi
7623 fi
7624 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7625
7626 if test "$rdma" = "yes" ; then
7627   echo "CONFIG_RDMA=y" >> $config_host_mak
7628   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7629 fi
7630
7631 if test "$pvrdma" = "yes" ; then
7632   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7633 fi
7634
7635 if test "$have_rtnetlink" = "yes" ; then
7636   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7637 fi
7638
7639 if test "$libxml2" = "yes" ; then
7640   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7641   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7642   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7643 fi
7644
7645 if test "$replication" = "yes" ; then
7646   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7647 fi
7648
7649 if test "$have_af_vsock" = "yes" ; then
7650   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7651 fi
7652
7653 if test "$have_sysmacros" = "yes" ; then
7654   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7655 fi
7656
7657 if test "$have_static_assert" = "yes" ; then
7658   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7659 fi
7660
7661 if test "$have_utmpx" = "yes" ; then
7662   echo "HAVE_UTMPX=y" >> $config_host_mak
7663 fi
7664 if test "$have_getrandom" = "yes" ; then
7665   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7666 fi
7667 if test "$ivshmem" = "yes" ; then
7668   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7669 fi
7670 if test "$capstone" != "no" ; then
7671   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7672   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7673   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7674 fi
7675 if test "$debug_mutex" = "yes" ; then
7676   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7677 fi
7678
7679 # Hold two types of flag:
7680 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7681 #                                     a thread we have a handle to
7682 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7683 #                                     platform
7684 if test "$pthread_setname_np_w_tid" = "yes" ; then
7685   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7686   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7687 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7688   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7689   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7690 fi
7691
7692 if test "$libpmem" = "yes" ; then
7693   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7694   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7695   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7696 fi
7697
7698 if test "$libdaxctl" = "yes" ; then
7699   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7700 fi
7701
7702 if test "$bochs" = "yes" ; then
7703   echo "CONFIG_BOCHS=y" >> $config_host_mak
7704 fi
7705 if test "$cloop" = "yes" ; then
7706   echo "CONFIG_CLOOP=y" >> $config_host_mak
7707 fi
7708 if test "$dmg" = "yes" ; then
7709   echo "CONFIG_DMG=y" >> $config_host_mak
7710 fi
7711 if test "$qcow1" = "yes" ; then
7712   echo "CONFIG_QCOW1=y" >> $config_host_mak
7713 fi
7714 if test "$vdi" = "yes" ; then
7715   echo "CONFIG_VDI=y" >> $config_host_mak
7716 fi
7717 if test "$vvfat" = "yes" ; then
7718   echo "CONFIG_VVFAT=y" >> $config_host_mak
7719 fi
7720 if test "$qed" = "yes" ; then
7721   echo "CONFIG_QED=y" >> $config_host_mak
7722 fi
7723 if test "$parallels" = "yes" ; then
7724   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7725 fi
7726 if test "$sheepdog" = "yes" ; then
7727   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7728 fi
7729 if test "$pty_h" = "yes" ; then
7730   echo "HAVE_PTY_H=y" >> $config_host_mak
7731 fi
7732 if test "$have_mlockall" = "yes" ; then
7733   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7734 fi
7735 if test "$fuzzing" = "yes" ; then
7736   QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7737 fi
7738
7739 if test "$plugins" = "yes" ; then
7740     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7741     LIBS="-ldl $LIBS"
7742     # Copy the export object list to the build dir
7743     if test "$ld_dynamic_list" = "yes" ; then
7744         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7745         ld_symbols=qemu-plugins-ld.symbols
7746         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7747     elif test "$ld_exported_symbols_list" = "yes" ; then
7748         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7749         ld64_symbols=qemu-plugins-ld64.symbols
7750         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7751         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7752             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7753     else
7754         error_exit \
7755             "If \$plugins=yes, either \$ld_dynamic_list or " \
7756             "\$ld_exported_symbols_list should have been set to 'yes'."
7757     fi
7758 fi
7759
7760 if test -n "$gdb_bin" ; then
7761     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7762 fi
7763
7764 if test "$secret_keyring" = "yes" ; then
7765   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7766   if test "$have_keyutils" = "yes" ; then
7767     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7768   fi
7769 fi
7770
7771 if test "$tcg_interpreter" = "yes"; then
7772   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7773 elif test "$ARCH" = "sparc64" ; then
7774   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7775 elif test "$ARCH" = "s390x" ; then
7776   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7777 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7778   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7779 elif test "$ARCH" = "ppc64" ; then
7780   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7781 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7782   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7783 else
7784   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7785 fi
7786
7787 echo "ROMS=$roms" >> $config_host_mak
7788 echo "MAKE=$make" >> $config_host_mak
7789 echo "INSTALL=$install" >> $config_host_mak
7790 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7791 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7792 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7793 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7794 echo "PYTHON=$python" >> $config_host_mak
7795 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7796 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7797 echo "MESON=$meson" >> $config_host_mak
7798 echo "CC=$cc" >> $config_host_mak
7799 if $iasl -h > /dev/null 2>&1; then
7800   echo "IASL=$iasl" >> $config_host_mak
7801 fi
7802 echo "CXX=$cxx" >> $config_host_mak
7803 echo "OBJCC=$objcc" >> $config_host_mak
7804 echo "AR=$ar" >> $config_host_mak
7805 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7806 echo "AS=$as" >> $config_host_mak
7807 echo "CCAS=$ccas" >> $config_host_mak
7808 echo "CPP=$cpp" >> $config_host_mak
7809 echo "OBJCOPY=$objcopy" >> $config_host_mak
7810 echo "LD=$ld" >> $config_host_mak
7811 echo "RANLIB=$ranlib" >> $config_host_mak
7812 echo "NM=$nm" >> $config_host_mak
7813 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7814 echo "WINDRES=$windres" >> $config_host_mak
7815 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7816 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7817 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7818 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7819 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7820 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7821 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7822 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7823 if test "$sparse" = "yes" ; then
7824   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7825 fi
7826 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7827 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7828 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7829 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7830 echo "LIBS+=$LIBS" >> $config_host_mak
7831 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7832 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7833 echo "EXESUF=$EXESUF" >> $config_host_mak
7834 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7835 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7836 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7837 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7838 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7839 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7840 if test "$gcov" = "yes" ; then
7841   echo "CONFIG_GCOV=y" >> $config_host_mak
7842 fi
7843
7844 if test "$libudev" != "no"; then
7845     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7846     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7847 fi
7848 if test "$fuzzing" != "no"; then
7849     echo "CONFIG_FUZZ=y" >> $config_host_mak
7850 fi
7851
7852 if test "$edk2_blobs" = "yes" ; then
7853   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7854 fi
7855
7856 if test "$rng_none" = "yes"; then
7857   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7858 fi
7859
7860 # use included Linux headers
7861 if test "$linux" = "yes" ; then
7862   mkdir -p linux-headers
7863   case "$cpu" in
7864   i386|x86_64|x32)
7865     linux_arch=x86
7866     ;;
7867   ppc|ppc64|ppc64le)
7868     linux_arch=powerpc
7869     ;;
7870   s390x)
7871     linux_arch=s390
7872     ;;
7873   aarch64)
7874     linux_arch=arm64
7875     ;;
7876   mips64)
7877     linux_arch=mips
7878     ;;
7879   *)
7880     # For most CPUs the kernel architecture name and QEMU CPU name match.
7881     linux_arch="$cpu"
7882     ;;
7883   esac
7884     # For non-KVM architectures we will not have asm headers
7885     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7886       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7887     fi
7888 fi
7889
7890 for target in $target_list; do
7891 target_dir="$target"
7892 config_target_mak=$target_dir/config-target.mak
7893 target_name=$(echo $target | cut -d '-' -f 1)
7894 target_aligned_only="no"
7895 case "$target_name" in
7896   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7897   target_aligned_only="yes"
7898   ;;
7899 esac
7900 target_bigendian="no"
7901 case "$target_name" in
7902   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7903   target_bigendian="yes"
7904   ;;
7905 esac
7906 target_softmmu="no"
7907 target_user_only="no"
7908 target_linux_user="no"
7909 target_bsd_user="no"
7910 case "$target" in
7911   ${target_name}-softmmu)
7912     target_softmmu="yes"
7913     ;;
7914   ${target_name}-linux-user)
7915     target_user_only="yes"
7916     target_linux_user="yes"
7917     ;;
7918   ${target_name}-bsd-user)
7919     target_user_only="yes"
7920     target_bsd_user="yes"
7921     ;;
7922   *)
7923     error_exit "Target '$target' not recognised"
7924     exit 1
7925     ;;
7926 esac
7927
7928 mkdir -p $target_dir
7929 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7930
7931 bflt="no"
7932 mttcg="no"
7933 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7934 gdb_xml_files=""
7935
7936 TARGET_ARCH="$target_name"
7937 TARGET_BASE_ARCH=""
7938 TARGET_ABI_DIR=""
7939 TARGET_SYSTBL_ABI=""
7940 TARGET_SYSTBL=""
7941
7942 case "$target_name" in
7943   i386)
7944     mttcg="yes"
7945         gdb_xml_files="i386-32bit.xml"
7946     TARGET_SYSTBL_ABI=i386
7947     TARGET_SYSTBL=syscall_32.tbl
7948   ;;
7949   x86_64)
7950     TARGET_BASE_ARCH=i386
7951     TARGET_SYSTBL_ABI=common,64
7952     TARGET_SYSTBL=syscall_64.tbl
7953     mttcg="yes"
7954     gdb_xml_files="i386-64bit.xml"
7955   ;;
7956   alpha)
7957     mttcg="yes"
7958     TARGET_SYSTBL_ABI=common
7959   ;;
7960   arm|armeb)
7961     TARGET_ARCH=arm
7962     TARGET_SYSTBL_ABI=common,oabi
7963     bflt="yes"
7964     mttcg="yes"
7965     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7966   ;;
7967   aarch64|aarch64_be)
7968     TARGET_ARCH=aarch64
7969     TARGET_BASE_ARCH=arm
7970     bflt="yes"
7971     mttcg="yes"
7972     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"
7973   ;;
7974   avr)
7975     gdb_xml_files="avr-cpu.xml"
7976     target_compiler=$cross_cc_avr
7977   ;;
7978   cris)
7979   ;;
7980   hppa)
7981     mttcg="yes"
7982     TARGET_SYSTBL_ABI=common,32
7983   ;;
7984   lm32)
7985   ;;
7986   m68k)
7987     bflt="yes"
7988     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7989     TARGET_SYSTBL_ABI=common
7990   ;;
7991   microblaze|microblazeel)
7992     TARGET_ARCH=microblaze
7993     TARGET_SYSTBL_ABI=common
7994     bflt="yes"
7995     echo "TARGET_ABI32=y" >> $config_target_mak
7996   ;;
7997   mips|mipsel)
7998     mttcg="yes"
7999     TARGET_ARCH=mips
8000     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
8001     TARGET_SYSTBL_ABI=o32
8002     TARGET_SYSTBL=syscall_o32.tbl
8003   ;;
8004   mipsn32|mipsn32el)
8005     mttcg="yes"
8006     TARGET_ARCH=mips64
8007     TARGET_BASE_ARCH=mips
8008     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
8009     echo "TARGET_ABI32=y" >> $config_target_mak
8010     TARGET_SYSTBL_ABI=n32
8011     TARGET_SYSTBL=syscall_n32.tbl
8012   ;;
8013   mips64|mips64el)
8014     mttcg="no"
8015     TARGET_ARCH=mips64
8016     TARGET_BASE_ARCH=mips
8017     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
8018     TARGET_SYSTBL_ABI=n64
8019     TARGET_SYSTBL=syscall_n64.tbl
8020   ;;
8021   moxie)
8022   ;;
8023   nios2)
8024   ;;
8025   or1k)
8026     TARGET_ARCH=openrisc
8027     TARGET_BASE_ARCH=openrisc
8028   ;;
8029   ppc)
8030     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
8031     TARGET_SYSTBL_ABI=common,nospu,32
8032   ;;
8033   ppc64)
8034     TARGET_BASE_ARCH=ppc
8035     TARGET_ABI_DIR=ppc
8036     TARGET_SYSTBL_ABI=common,nospu,64
8037     mttcg=yes
8038     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8039   ;;
8040   ppc64le)
8041     TARGET_ARCH=ppc64
8042     TARGET_BASE_ARCH=ppc
8043     TARGET_ABI_DIR=ppc
8044     TARGET_SYSTBL_ABI=common,nospu,64
8045     mttcg=yes
8046     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8047   ;;
8048   ppc64abi32)
8049     TARGET_ARCH=ppc64
8050     TARGET_BASE_ARCH=ppc
8051     TARGET_ABI_DIR=ppc
8052     TARGET_SYSTBL_ABI=common,nospu,32
8053     echo "TARGET_ABI32=y" >> $config_target_mak
8054     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
8055   ;;
8056   riscv32)
8057     TARGET_BASE_ARCH=riscv
8058     TARGET_ABI_DIR=riscv
8059     mttcg=yes
8060     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
8061   ;;
8062   riscv64)
8063     TARGET_BASE_ARCH=riscv
8064     TARGET_ABI_DIR=riscv
8065     mttcg=yes
8066     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
8067   ;;
8068   rx)
8069     TARGET_ARCH=rx
8070     bflt="yes"
8071     target_compiler=$cross_cc_rx
8072     gdb_xml_files="rx-core.xml"
8073   ;;
8074   sh4|sh4eb)
8075     TARGET_ARCH=sh4
8076     TARGET_SYSTBL_ABI=common
8077     bflt="yes"
8078   ;;
8079   sparc)
8080     TARGET_SYSTBL_ABI=common,32
8081   ;;
8082   sparc64)
8083     TARGET_BASE_ARCH=sparc
8084     TARGET_SYSTBL_ABI=common,64
8085   ;;
8086   sparc32plus)
8087     TARGET_ARCH=sparc64
8088     TARGET_BASE_ARCH=sparc
8089     TARGET_ABI_DIR=sparc
8090     TARGET_SYSTBL_ABI=common,32
8091     echo "TARGET_ABI32=y" >> $config_target_mak
8092   ;;
8093   s390x)
8094     TARGET_SYSTBL_ABI=common,64
8095     mttcg=yes
8096     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
8097   ;;
8098   tilegx)
8099   ;;
8100   tricore)
8101   ;;
8102   unicore32)
8103   ;;
8104   xtensa|xtensaeb)
8105     TARGET_ARCH=xtensa
8106     TARGET_SYSTBL_ABI=common
8107     bflt="yes"
8108     mttcg="yes"
8109   ;;
8110   *)
8111     error_exit "Unsupported target CPU"
8112   ;;
8113 esac
8114 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
8115 if [ "$TARGET_BASE_ARCH" = "" ]; then
8116   TARGET_BASE_ARCH=$TARGET_ARCH
8117 fi
8118 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
8119   TARGET_SYSTBL=syscall.tbl
8120 fi
8121
8122 upper() {
8123     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
8124 }
8125
8126 target_arch_name="$(upper $TARGET_ARCH)"
8127 echo "TARGET_$target_arch_name=y" >> $config_target_mak
8128 echo "TARGET_NAME=$target_name" >> $config_target_mak
8129 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
8130 if [ "$TARGET_ABI_DIR" = "" ]; then
8131   TARGET_ABI_DIR=$TARGET_ARCH
8132 fi
8133 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
8134 if [ "$HOST_VARIANT_DIR" != "" ]; then
8135     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
8136 fi
8137 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
8138     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
8139     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
8140 fi
8141
8142 if supported_xen_target $target; then
8143     echo "CONFIG_XEN=y" >> $config_target_mak
8144     if test "$xen_pci_passthrough" = yes; then
8145         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
8146     fi
8147 fi
8148 if supported_kvm_target $target; then
8149     echo "CONFIG_KVM=y" >> $config_target_mak
8150 fi
8151 if supported_hax_target $target; then
8152     echo "CONFIG_HAX=y" >> $config_target_mak
8153 fi
8154 if supported_hvf_target $target; then
8155     echo "CONFIG_HVF=y" >> $config_target_mak
8156 fi
8157 if supported_whpx_target $target; then
8158     echo "CONFIG_WHPX=y" >> $config_target_mak
8159 fi
8160 if test "$target_aligned_only" = "yes" ; then
8161   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
8162 fi
8163 if test "$target_bigendian" = "yes" ; then
8164   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
8165 fi
8166 if test "$target_softmmu" = "yes" ; then
8167   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
8168   if test "$mttcg" = "yes" ; then
8169     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
8170   fi
8171 fi
8172 if test "$target_user_only" = "yes" ; then
8173   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8174   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8175   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
8176 else
8177   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
8178 fi
8179 if test "$target_linux_user" = "yes" ; then
8180   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8181 fi
8182 list=""
8183 if test ! -z "$gdb_xml_files" ; then
8184   for x in $gdb_xml_files; do
8185     list="$list gdb-xml/$x"
8186   done
8187   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8188 fi
8189
8190 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8191   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8192 fi
8193 if test "$target_bsd_user" = "yes" ; then
8194   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8195 fi
8196
8197
8198 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8199
8200 disas_config() {
8201   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8202   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8203 }
8204
8205 for i in $ARCH $TARGET_BASE_ARCH ; do
8206   case "$i" in
8207   alpha)
8208     disas_config "ALPHA"
8209   ;;
8210   aarch64)
8211     if test -n "${cxx}"; then
8212       disas_config "ARM_A64"
8213     fi
8214   ;;
8215   arm)
8216     disas_config "ARM"
8217     if test -n "${cxx}"; then
8218       disas_config "ARM_A64"
8219     fi
8220   ;;
8221   avr)
8222     disas_config "AVR"
8223   ;;
8224   cris)
8225     disas_config "CRIS"
8226   ;;
8227   hppa)
8228     disas_config "HPPA"
8229   ;;
8230   i386|x86_64|x32)
8231     disas_config "I386"
8232   ;;
8233   lm32)
8234     disas_config "LM32"
8235   ;;
8236   m68k)
8237     disas_config "M68K"
8238   ;;
8239   microblaze*)
8240     disas_config "MICROBLAZE"
8241   ;;
8242   mips*)
8243     disas_config "MIPS"
8244     if test -n "${cxx}"; then
8245       disas_config "NANOMIPS"
8246     fi
8247   ;;
8248   moxie*)
8249     disas_config "MOXIE"
8250   ;;
8251   nios2)
8252     disas_config "NIOS2"
8253   ;;
8254   or1k)
8255     disas_config "OPENRISC"
8256   ;;
8257   ppc*)
8258     disas_config "PPC"
8259   ;;
8260   riscv*)
8261     disas_config "RISCV"
8262   ;;
8263   rx)
8264     disas_config "RX"
8265   ;;
8266   s390*)
8267     disas_config "S390"
8268   ;;
8269   sh4)
8270     disas_config "SH4"
8271   ;;
8272   sparc*)
8273     disas_config "SPARC"
8274   ;;
8275   xtensa*)
8276     disas_config "XTENSA"
8277   ;;
8278   esac
8279 done
8280 if test "$tcg_interpreter" = "yes" ; then
8281   disas_config "TCI"
8282 fi
8283
8284 done # for target in $targets
8285
8286 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8287 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8288
8289 if [ "$fdt" = "git" ]; then
8290   echo "config-host.h: dtc/all" >> $config_host_mak
8291 fi
8292 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8293   echo "config-host.h: capstone/all" >> $config_host_mak
8294 fi
8295 if test -n "$LIBCAPSTONE"; then
8296   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8297 fi
8298
8299 if test "$numa" = "yes"; then
8300   echo "CONFIG_NUMA=y" >> $config_host_mak
8301   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8302 fi
8303
8304 if test "$ccache_cpp2" = "yes"; then
8305   echo "export CCACHE_CPP2=y" >> $config_host_mak
8306 fi
8307
8308 if test "$safe_stack" = "yes"; then
8309   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8310 fi
8311
8312 # If we're using a separate build tree, set it up now.
8313 # DIRS are directories which we simply mkdir in the build tree;
8314 # LINKS are things to symlink back into the source tree
8315 # (these can be both files and directories).
8316 # Caution: do not add files or directories here using wildcards. This
8317 # will result in problems later if a new file matching the wildcard is
8318 # added to the source tree -- nothing will cause configure to be rerun
8319 # so the build tree will be missing the link back to the new file, and
8320 # tests might fail. Prefer to keep the relevant files in their own
8321 # directory and symlink the directory instead.
8322 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8323 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8324 DIRS="$DIRS docs docs/interop fsdev scsi"
8325 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8326 DIRS="$DIRS roms/seabios"
8327 LINKS="Makefile"
8328 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8329 LINKS="$LINKS tests/tcg/Makefile.target"
8330 LINKS="$LINKS tests/plugin/Makefile"
8331 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8332 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8333 LINKS="$LINKS roms/seabios/Makefile"
8334 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8335 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8336 LINKS="$LINKS tests/acceptance tests/data"
8337 LINKS="$LINKS tests/qemu-iotests/check"
8338 LINKS="$LINKS python"
8339 for bios_file in \
8340     $source_path/pc-bios/*.bin \
8341     $source_path/pc-bios/*.lid \
8342     $source_path/pc-bios/*.rom \
8343     $source_path/pc-bios/*.dtb \
8344     $source_path/pc-bios/*.img \
8345     $source_path/pc-bios/openbios-* \
8346     $source_path/pc-bios/u-boot.* \
8347     $source_path/pc-bios/edk2-*.fd.bz2 \
8348     $source_path/pc-bios/palcode-*
8349 do
8350     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8351 done
8352 mkdir -p $DIRS
8353 for f in $LINKS ; do
8354     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8355         symlink "$source_path/$f" "$f"
8356     fi
8357 done
8358
8359 (for i in $cross_cc_vars; do
8360   export $i
8361 done
8362 export target_list source_path use_containers
8363 $source_path/tests/tcg/configure.sh)
8364
8365 # temporary config to build submodules
8366 for rom in seabios; do
8367     config_mak=roms/$rom/config.mak
8368     echo "# Automatically generated by configure - do not modify" > $config_mak
8369     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8370     echo "AS=$as" >> $config_mak
8371     echo "CCAS=$ccas" >> $config_mak
8372     echo "CC=$cc" >> $config_mak
8373     echo "BCC=bcc" >> $config_mak
8374     echo "CPP=$cpp" >> $config_mak
8375     echo "OBJCOPY=objcopy" >> $config_mak
8376     echo "IASL=$iasl" >> $config_mak
8377     echo "LD=$ld" >> $config_mak
8378     echo "RANLIB=$ranlib" >> $config_mak
8379 done
8380
8381 # set up qemu-iotests in this build directory
8382 iotests_common_env="tests/qemu-iotests/common.env"
8383
8384 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8385 echo >> "$iotests_common_env"
8386 echo "export PYTHON='$python'" >> "$iotests_common_env"
8387
8388 if test "$skip_meson" = no; then
8389 cross="config-meson.cross.new"
8390 meson_quote() {
8391     echo "['$(echo $* | sed "s/ /','/g")']"
8392 }
8393
8394 echo "# Automatically generated by configure - do not modify" > $cross
8395 echo "[properties]" >> $cross
8396 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8397 echo "[binaries]" >> $cross
8398 echo "c = $(meson_quote $cc)" >> $cross
8399 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8400 echo "ar = $(meson_quote $ar)" >> $cross
8401 echo "nm = $(meson_quote $nm)" >> $cross
8402 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8403 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8404 echo "strip = $(meson_quote $strip)" >> $cross
8405 echo "windres = $(meson_quote $windres)" >> $cross
8406 if test -n "$cross_prefix"; then
8407     cross_arg="--cross-file config-meson.cross"
8408     # Hack: Meson expects an absolute path for the *build* machine
8409     # for the prefix, so add a slash in front of a Windows path that
8410     # includes a drive letter.
8411     #
8412     # See https://github.com/mesonbuild/meson/issues/7577.
8413     echo "[host_machine]" >> $cross
8414     if test "$mingw32" = "yes" ; then
8415         echo "system = 'windows'" >> $cross
8416         case $prefix in
8417             ?:*) pre_prefix=/ ;;
8418         esac
8419     fi
8420     case "$ARCH" in
8421         i386|x86_64)
8422             echo "cpu_family = 'x86'" >> $cross
8423             ;;
8424         ppc64le)
8425             echo "cpu_family = 'ppc64'" >> $cross
8426             ;;
8427         *)
8428             echo "cpu_family = '$ARCH'" >> $cross
8429             ;;
8430     esac
8431     echo "cpu = '$cpu'" >> $cross
8432     if test "$bigendian" = "yes" ; then
8433         echo "endian = 'big'" >> $cross
8434     else
8435         echo "endian = 'little'" >> $cross
8436     fi
8437 else
8438     cross_arg="--native-file config-meson.cross"
8439 fi
8440 mv $cross config-meson.cross
8441
8442 rm -rf meson-private meson-info meson-logs
8443 NINJA=$PWD/ninjatool $meson setup \
8444         --prefix "${pre_prefix}$prefix" \
8445         --libdir "${pre_prefix}$libdir" \
8446         --libexecdir "${pre_prefix}$libexecdir" \
8447         --bindir "${pre_prefix}$bindir" \
8448         --includedir "${pre_prefix}$includedir" \
8449         --datadir "${pre_prefix}$datadir" \
8450         --mandir "${pre_prefix}$mandir" \
8451         --sysconfdir "${pre_prefix}$sysconfdir" \
8452         --localstatedir "${pre_prefix}$local_statedir" \
8453         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8454         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8455         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8456         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8457         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8458         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8459         $cross_arg \
8460         "$PWD" "$source_path"
8461
8462 if test "$?" -ne 0 ; then
8463     error_exit "meson setup failed"
8464 fi
8465 touch ninjatool.stamp
8466 fi
8467
8468 # Save the configure command line for later reuse.
8469 cat <<EOD >config.status
8470 #!/bin/sh
8471 # Generated by configure.
8472 # Run this file to recreate the current configuration.
8473 # Compiler output produced by configure, useful for debugging
8474 # configure, is in config.log if it exists.
8475 EOD
8476
8477 preserve_env() {
8478     envname=$1
8479
8480     eval envval=\$$envname
8481
8482     if test -n "$envval"
8483     then
8484         echo "$envname='$envval'" >> config.status
8485         echo "export $envname" >> config.status
8486     else
8487         echo "unset $envname" >> config.status
8488     fi
8489 }
8490
8491 # Preserve various env variables that influence what
8492 # features/build target configure will detect
8493 preserve_env AR
8494 preserve_env AS
8495 preserve_env CC
8496 preserve_env CPP
8497 preserve_env CXX
8498 preserve_env INSTALL
8499 preserve_env LD
8500 preserve_env LD_LIBRARY_PATH
8501 preserve_env LIBTOOL
8502 preserve_env MAKE
8503 preserve_env NM
8504 preserve_env OBJCOPY
8505 preserve_env PATH
8506 preserve_env PKG_CONFIG
8507 preserve_env PKG_CONFIG_LIBDIR
8508 preserve_env PKG_CONFIG_PATH
8509 preserve_env PYTHON
8510 preserve_env SDL2_CONFIG
8511 preserve_env SMBD
8512 preserve_env STRIP
8513 preserve_env WINDRES
8514
8515 printf "exec" >>config.status
8516 for i in "$0" "$@"; do
8517   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8518 done
8519 echo ' "$@"' >>config.status
8520 chmod +x config.status
8521
8522 rm -r "$TMPDIR1"