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 version_ge () {
 196     local_ver1=`echo $1 | tr . ' '`
 197     local_ver2=`echo $2 | tr . ' '`
 198     while true; do
 199         set x $local_ver1
 200         local_first=${2-0}
 201         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 202         shift ${2:+2}
 203         local_ver1=$*
 204         set x $local_ver2
 205         # the second argument finished, the first must be greater or equal
 206         test $# = 1 && return 0
 207         test $local_first -lt $2 && return 1
 208         test $local_first -gt $2 && return 0
 209         shift ${2:+2}
 210         local_ver2=$*
 211     done
 212 }
 213
 214 have_backend () {
 215     echo "$trace_backends" | grep "$1" >/dev/null
 216 }
 217
 218 glob() {
 219     eval test -z '"${1#'"$2"'}"'
 220 }
 221
 222 supported_hax_target() {
 223     test "$hax" = "yes" || return 1
 224     glob "$1" "*-softmmu" || return 1
 225     case "${1%-softmmu}" in
 226         i386|x86_64)
 227             return 0
 228         ;;
 229     esac
 230     return 1
 231 }
 232
 233 supported_kvm_target() {
 234     test "$kvm" = "yes" || return 1
 235     glob "$1" "*-softmmu" || return 1
 236     case "${1%-softmmu}:$cpu" in
 237         arm:arm | aarch64:aarch64 | \
 238         i386:i386 | i386:x86_64 | i386:x32 | \
 239         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 240         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 241         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 242         s390x:s390x)
 243             return 0
 244         ;;
 245     esac
 246     return 1
 247 }
 248
 249 supported_xen_target() {
 250     test "$xen" = "yes" || return 1
 251     glob "$1" "*-softmmu" || return 1
 252     # Only i386 and x86_64 provide the xenpv machine.
 253     case "${1%-softmmu}" in
 254         i386|x86_64)
 255             return 0
 256         ;;
 257     esac
 258     return 1
 259 }
 260
 261 supported_hvf_target() {
 262     test "$hvf" = "yes" || return 1
 263     glob "$1" "*-softmmu" || return 1
 264     case "${1%-softmmu}" in
 265         x86_64)
 266             return 0
 267         ;;
 268     esac
 269     return 1
 270 }
 271
 272 supported_whpx_target() {
 273     test "$whpx" = "yes" || return 1
 274     glob "$1" "*-softmmu" || return 1
 275     case "${1%-softmmu}" in
 276         i386|x86_64)
 277             return 0
 278         ;;
 279     esac
 280     return 1
 281 }
 282
 283 supported_target() {
 284     case "$1" in
 285         *-softmmu)
 286             ;;
 287         *-linux-user)
 288             if test "$linux" != "yes"; then
 289                 print_error "Target '$target' is only available on a Linux host"
 290                 return 1
 291             fi
 292             ;;
 293         *-bsd-user)
 294             if test "$bsd" != "yes"; then
 295                 print_error "Target '$target' is only available on a BSD host"
 296                 return 1
 297             fi
 298             ;;
 299         *)
 300             print_error "Invalid target name '$target'"
 301             return 1
 302             ;;
 303     esac
 304     test "$tcg" = "yes" && return 0
 305     supported_kvm_target "$1" && return 0
 306     supported_xen_target "$1" && return 0
 307     supported_hax_target "$1" && return 0
 308     supported_hvf_target "$1" && return 0
 309     supported_whpx_target "$1" && return 0
 310     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 311     return 1
 312 }
 313
 314
 315 ld_has() {
 316     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 317 }
 318
 319 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 320 then
 321   error_exit "main directory cannot contain spaces nor colons"
 322 fi
 323
 324 # default parameters
 325 cpu=""
 326 iasl="iasl"
 327 interp_prefix="/usr/gnemul/qemu-%M"
 328 static="no"
 329 cross_prefix=""
 330 audio_drv_list=""
 331 block_drv_rw_whitelist=""
 332 block_drv_ro_whitelist=""
 333 host_cc="cc"
 334 audio_win_int=""
 335 libs_qga=""
 336 debug_info="yes"
 337 stack_protector=""
 338 safe_stack=""
 339 use_containers="yes"
 340 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 341
 342 if test -e "$source_path/.git"
 343 then
 344     git_update=yes
 345     git_submodules="ui/keycodemapdb"
 346     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 347     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 348 else
 349     git_update=no
 350     git_submodules=""
 351
 352     if ! test -f "$source_path/ui/keycodemapdb/README"
 353     then
 354         echo
 355         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 356         echo
 357         echo "This is not a GIT checkout but module content appears to"
 358         echo "be missing. Do not use 'git archive' or GitHub download links"
 359         echo "to acquire QEMU source archives. Non-GIT builds are only"
 360         echo "supported with source archives linked from:"
 361         echo
 362         echo "  https://www.qemu.org/download/#source"
 363         echo
 364         echo "Developers working with GIT can use scripts/archive-source.sh"
 365         echo "if they need to create valid source archives."
 366         echo
 367         exit 1
 368     fi
 369 fi
 370 git="git"
 371
 372 # Don't accept a target_list environment variable.
 373 unset target_list
 374 unset target_list_exclude
 375
 376 # Default value for a variable defining feature "foo".
 377 #  * foo="no"  feature will only be used if --enable-foo arg is given
 378 #  * foo=""    feature will be searched for, and if found, will be used
 379 #              unless --disable-foo is given
 380 #  * foo="yes" this value will only be set by --enable-foo flag.
 381 #              feature will searched for,
 382 #              if not found, configure exits with error
 383 #
 384 # Always add --enable-foo and --disable-foo command line args.
 385 # Distributions want to ensure that several features are compiled in, and it
 386 # is impossible without a --enable-foo that exits if a feature is not found.
 387
 388 brlapi=""
 389 curl=""
 390 curses=""
 391 docs=""
 392 fdt=""
 393 netmap="no"
 394 sdl="auto"
 395 sdl_image="auto"
 396 virtfs=""
 397 mpath=""
 398 vnc="enabled"
 399 sparse="no"
 400 vde=""
 401 vnc_sasl="auto"
 402 vnc_jpeg="auto"
 403 vnc_png="auto"
 404 xkbcommon="auto"
 405 xen=""
 406 xen_ctrl_version=""
 407 xen_pci_passthrough=""
 408 linux_aio=""
 409 linux_io_uring=""
 410 cap_ng=""
 411 attr=""
 412 libattr=""
 413 xfs=""
 414 tcg="yes"
 415 membarrier=""
 416 vhost_net=""
 417 vhost_crypto=""
 418 vhost_scsi=""
 419 vhost_vsock=""
 420 vhost_user=""
 421 vhost_user_fs=""
 422 kvm="no"
 423 hax="no"
 424 hvf="no"
 425 whpx="no"
 426 rdma=""
 427 pvrdma=""
 428 gprof="no"
 429 debug_tcg="no"
 430 debug="no"
 431 sanitizers="no"
 432 tsan="no"
 433 fortify_source=""
 434 strip_opt="yes"
 435 tcg_interpreter="no"
 436 bigendian="no"
 437 mingw32="no"
 438 gcov="no"
 439 EXESUF=""
 440 HOST_DSOSUF=".so"
 441 modules="no"
 442 module_upgrades="no"
 443 prefix="/usr/local"
 444 qemu_suffix="qemu"
 445 slirp=""
 446 oss_lib=""
 447 bsd="no"
 448 linux="no"
 449 solaris="no"
 450 profiler="no"
 451 cocoa="no"
 452 softmmu="yes"
 453 linux_user="no"
 454 bsd_user="no"
 455 blobs="yes"
 456 edk2_blobs="no"
 457 pkgversion=""
 458 pie=""
 459 qom_cast_debug="yes"
 460 trace_backends="log"
 461 trace_file="trace"
 462 spice=""
 463 rbd=""
 464 smartcard=""
 465 u2f="auto"
 466 libusb=""
 467 usb_redir=""
 468 opengl=""
 469 opengl_dmabuf="no"
 470 cpuid_h="no"
 471 avx2_opt=""
 472 capstone=""
 473 lzo=""
 474 snappy=""
 475 bzip2=""
 476 lzfse=""
 477 zstd=""
 478 guest_agent=""
 479 guest_agent_with_vss="no"
 480 guest_agent_ntddscsi="no"
 481 guest_agent_msi=""
 482 vss_win32_sdk=""
 483 win_sdk="no"
 484 want_tools=""
 485 libiscsi=""
 486 libnfs=""
 487 coroutine=""
 488 coroutine_pool=""
 489 debug_stack_usage="no"
 490 crypto_afalg="no"
 491 seccomp=""
 492 glusterfs=""
 493 glusterfs_xlator_opt="no"
 494 glusterfs_discard="no"
 495 glusterfs_fallocate="no"
 496 glusterfs_zerofill="no"
 497 glusterfs_ftruncate_has_stat="no"
 498 glusterfs_iocb_has_stat="no"
 499 gtk=""
 500 gtk_gl="no"
 501 tls_priority="NORMAL"
 502 gnutls=""
 503 nettle=""
 504 nettle_xts="no"
 505 gcrypt=""
 506 gcrypt_hmac="no"
 507 gcrypt_xts="no"
 508 qemu_private_xts="yes"
 509 auth_pam=""
 510 vte=""
 511 virglrenderer=""
 512 tpm=""
 513 libssh=""
 514 live_block_migration="yes"
 515 numa=""
 516 tcmalloc="no"
 517 jemalloc="no"
 518 replication="yes"
 519 bochs="yes"
 520 cloop="yes"
 521 dmg="yes"
 522 qcow1="yes"
 523 vdi="yes"
 524 vvfat="yes"
 525 qed="yes"
 526 parallels="yes"
 527 sheepdog="yes"
 528 libxml2=""
 529 debug_mutex="no"
 530 libpmem=""
 531 default_devices="yes"
 532 plugins="no"
 533 fuzzing="no"
 534 rng_none="no"
 535 secret_keyring=""
 536 libdaxctl=""
 537 meson=""
 538 ninja=""
 539 skip_meson=no
 540 gettext=""
 541
 542 bogus_os="no"
 543 malloc_trim=""
 544
 545 deprecated_features=""
 546
 547 # parse CC options first
 548 for opt do
 549   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 550   case "$opt" in
 551   --cross-prefix=*) cross_prefix="$optarg"
 552   ;;
 553   --cc=*) CC="$optarg"
 554   ;;
 555   --cxx=*) CXX="$optarg"
 556   ;;
 557   --cpu=*) cpu="$optarg"
 558   ;;
 559   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 560                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 561   ;;
 562   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 563   ;;
 564   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 565                      EXTRA_LDFLAGS="$optarg"
 566   ;;
 567   --enable-debug-info) debug_info="yes"
 568   ;;
 569   --disable-debug-info) debug_info="no"
 570   ;;
 571   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 572   ;;
 573   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 574                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 575                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 576   ;;
 577   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 578                 cc_archs="$cc_archs $cc_arch"
 579                 eval "cross_cc_${cc_arch}=\$optarg"
 580                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 581   ;;
 582   esac
 583 done
 584 # OS specific
 585 # Using uname is really, really broken.  Once we have the right set of checks
 586 # we can eliminate its usage altogether.
 587
 588 # Preferred compiler:
 589 #  ${CC} (if set)
 590 #  ${cross_prefix}gcc (if cross-prefix specified)
 591 #  system compiler
 592 if test -z "${CC}${cross_prefix}"; then
 593   cc="$host_cc"
 594 else
 595   cc="${CC-${cross_prefix}gcc}"
 596 fi
 597
 598 if test -z "${CXX}${cross_prefix}"; then
 599   cxx="c++"
 600 else
 601   cxx="${CXX-${cross_prefix}g++}"
 602 fi
 603
 604 ar="${AR-${cross_prefix}ar}"
 605 as="${AS-${cross_prefix}as}"
 606 ccas="${CCAS-$cc}"
 607 cpp="${CPP-$cc -E}"
 608 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 609 ld="${LD-${cross_prefix}ld}"
 610 ranlib="${RANLIB-${cross_prefix}ranlib}"
 611 nm="${NM-${cross_prefix}nm}"
 612 strip="${STRIP-${cross_prefix}strip}"
 613 windres="${WINDRES-${cross_prefix}windres}"
 614 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 615 query_pkg_config() {
 616     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 617 }
 618 pkg_config=query_pkg_config
 619 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 620
 621 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 622 ARFLAGS="${ARFLAGS-rv}"
 623
 624 # default flags for all hosts
 625 # We use -fwrapv to tell the compiler that we require a C dialect where
 626 # left shift of signed integers is well defined and has the expected
 627 # 2s-complement style results. (Both clang and gcc agree that it
 628 # provides these semantics.)
 629 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 630 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 631 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 632 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 633 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 634 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 635 CFLAGS="-std=gnu99 -Wall"
 636
 637
 638 check_define() {
 639 cat > $TMPC <<EOF
 640 #if !defined($1)
 641 #error $1 not defined
 642 #endif
 643 int main(void) { return 0; }
 644 EOF
 645   compile_object
 646 }
 647
 648 check_include() {
 649 cat > $TMPC <<EOF
 650 #include <$1>
 651 int main(void) { return 0; }
 652 EOF
 653   compile_object
 654 }
 655
 656 write_c_skeleton() {
 657     cat > $TMPC <<EOF
 658 int main(void) { return 0; }
 659 EOF
 660 }
 661
 662 write_c_fuzzer_skeleton() {
 663     cat > $TMPC <<EOF
 664 #include <stdint.h>
 665 #include <sys/types.h>
 666 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 667 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 668 EOF
 669 }
 670
 671 if check_define __linux__ ; then
 672   targetos="Linux"
 673 elif check_define _WIN32 ; then
 674   targetos='MINGW32'
 675 elif check_define __OpenBSD__ ; then
 676   targetos='OpenBSD'
 677 elif check_define __sun__ ; then
 678   targetos='SunOS'
 679 elif check_define __HAIKU__ ; then
 680   targetos='Haiku'
 681 elif check_define __FreeBSD__ ; then
 682   targetos='FreeBSD'
 683 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 684   targetos='GNU/kFreeBSD'
 685 elif check_define __DragonFly__ ; then
 686   targetos='DragonFly'
 687 elif check_define __NetBSD__; then
 688   targetos='NetBSD'
 689 elif check_define __APPLE__; then
 690   targetos='Darwin'
 691 else
 692   # This is a fatal error, but don't report it yet, because we
 693   # might be going to just print the --help text, or it might
 694   # be the result of a missing compiler.
 695   targetos='bogus'
 696   bogus_os='yes'
 697 fi
 698
 699 # Some host OSes need non-standard checks for which CPU to use.
 700 # Note that these checks are broken for cross-compilation: if you're
 701 # cross-compiling to one of these OSes then you'll need to specify
 702 # the correct CPU with the --cpu option.
 703 case $targetos in
 704 Darwin)
 705   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 706   # run 64-bit userspace code.
 707   # If the user didn't specify a CPU explicitly and the kernel says this is
 708   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 709   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 710     cpu="x86_64"
 711   fi
 712   ;;
 713 SunOS)
 714   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 715   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 716     cpu="x86_64"
 717   fi
 718 esac
 719
 720 if test ! -z "$cpu" ; then
 721   # command line argument
 722   :
 723 elif check_define __i386__ ; then
 724   cpu="i386"
 725 elif check_define __x86_64__ ; then
 726   if check_define __ILP32__ ; then
 727     cpu="x32"
 728   else
 729     cpu="x86_64"
 730   fi
 731 elif check_define __sparc__ ; then
 732   if check_define __arch64__ ; then
 733     cpu="sparc64"
 734   else
 735     cpu="sparc"
 736   fi
 737 elif check_define _ARCH_PPC ; then
 738   if check_define _ARCH_PPC64 ; then
 739     if check_define _LITTLE_ENDIAN ; then
 740       cpu="ppc64le"
 741     else
 742       cpu="ppc64"
 743     fi
 744   else
 745     cpu="ppc"
 746   fi
 747 elif check_define __mips__ ; then
 748   cpu="mips"
 749 elif check_define __s390__ ; then
 750   if check_define __s390x__ ; then
 751     cpu="s390x"
 752   else
 753     cpu="s390"
 754   fi
 755 elif check_define __riscv ; then
 756   if check_define _LP64 ; then
 757     cpu="riscv64"
 758   else
 759     cpu="riscv32"
 760   fi
 761 elif check_define __arm__ ; then
 762   cpu="arm"
 763 elif check_define __aarch64__ ; then
 764   cpu="aarch64"
 765 else
 766   cpu=$(uname -m)
 767 fi
 768
 769 ARCH=
 770 # Normalise host CPU name and set ARCH.
 771 # Note that this case should only have supported host CPUs, not guests.
 772 case "$cpu" in
 773   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 774   ;;
 775   ppc64le)
 776     ARCH="ppc64"
 777   ;;
 778   i386|i486|i586|i686|i86pc|BePC)
 779     cpu="i386"
 780   ;;
 781   x86_64|amd64)
 782     cpu="x86_64"
 783   ;;
 784   armv*b|armv*l|arm)
 785     cpu="arm"
 786   ;;
 787   aarch64)
 788     cpu="aarch64"
 789   ;;
 790   mips*)
 791     cpu="mips"
 792   ;;
 793   sparc|sun4[cdmuv])
 794     cpu="sparc"
 795   ;;
 796   *)
 797     # This will result in either an error or falling back to TCI later
 798     ARCH=unknown
 799   ;;
 800 esac
 801 if test -z "$ARCH"; then
 802   ARCH="$cpu"
 803 fi
 804
 805 # OS specific
 806
 807 # host *BSD for user mode
 808 HOST_VARIANT_DIR=""
 809
 810 case $targetos in
 811 MINGW32*)
 812   mingw32="yes"
 813   hax="yes"
 814   whpx=""
 815   vhost_user="no"
 816   audio_possible_drivers="dsound sdl"
 817   if check_include dsound.h; then
 818     audio_drv_list="dsound"
 819   else
 820     audio_drv_list=""
 821   fi
 822   supported_os="yes"
 823   pie="no"
 824 ;;
 825 GNU/kFreeBSD)
 826   bsd="yes"
 827   audio_drv_list="oss try-sdl"
 828   audio_possible_drivers="oss sdl pa"
 829 ;;
 830 FreeBSD)
 831   bsd="yes"
 832   make="${MAKE-gmake}"
 833   audio_drv_list="oss try-sdl"
 834   audio_possible_drivers="oss sdl pa"
 835   # needed for kinfo_getvmmap(3) in libutil.h
 836   netmap=""  # enable netmap autodetect
 837   HOST_VARIANT_DIR="freebsd"
 838 ;;
 839 DragonFly)
 840   bsd="yes"
 841   make="${MAKE-gmake}"
 842   audio_drv_list="oss try-sdl"
 843   audio_possible_drivers="oss sdl pa"
 844   HOST_VARIANT_DIR="dragonfly"
 845 ;;
 846 NetBSD)
 847   bsd="yes"
 848   hax="yes"
 849   make="${MAKE-gmake}"
 850   audio_drv_list="oss try-sdl"
 851   audio_possible_drivers="oss sdl"
 852   oss_lib="-lossaudio"
 853   HOST_VARIANT_DIR="netbsd"
 854 ;;
 855 OpenBSD)
 856   bsd="yes"
 857   make="${MAKE-gmake}"
 858   audio_drv_list="try-sdl"
 859   audio_possible_drivers="sdl"
 860   HOST_VARIANT_DIR="openbsd"
 861 ;;
 862 Darwin)
 863   bsd="yes"
 864   darwin="yes"
 865   hax="yes"
 866   hvf="yes"
 867   if [ "$cpu" = "x86_64" ] ; then
 868     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 869     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 870   fi
 871   cocoa="yes"
 872   audio_drv_list="coreaudio try-sdl"
 873   audio_possible_drivers="coreaudio sdl"
 874   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 875   # Disable attempts to use ObjectiveC features in os/object.h since they
 876   # won't work when we're compiling with gcc as a C compiler.
 877   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 878   HOST_VARIANT_DIR="darwin"
 879 ;;
 880 SunOS)
 881   solaris="yes"
 882   make="${MAKE-gmake}"
 883   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 884   if test -f /usr/include/sys/soundcard.h ; then
 885     audio_drv_list="oss try-sdl"
 886   fi
 887   audio_possible_drivers="oss sdl"
 888 # needed for CMSG_ macros in sys/socket.h
 889   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 890 # needed for TIOCWIN* defines in termios.h
 891   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 892 ;;
 893 Haiku)
 894   haiku="yes"
 895   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 896 ;;
 897 Linux)
 898   audio_drv_list="try-pa oss"
 899   audio_possible_drivers="oss alsa sdl pa"
 900   linux="yes"
 901   linux_user="yes"
 902   kvm="yes"
 903   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -Ilinux-headers $QEMU_INCLUDES"
 904   libudev="yes"
 905 ;;
 906 esac
 907
 908 if [ "$bsd" = "yes" ] ; then
 909   if [ "$darwin" != "yes" ] ; then
 910     bsd_user="yes"
 911   fi
 912 fi
 913
 914 : ${make=${MAKE-make}}
 915
 916 # We prefer python 3.x. A bare 'python' is traditionally
 917 # python 2.x, but some distros have it as python 3.x, so
 918 # we check that too
 919 python=
 920 explicit_python=no
 921 for binary in "${PYTHON-python3}" python
 922 do
 923     if has "$binary"
 924     then
 925         python=$(command -v "$binary")
 926         break
 927     fi
 928 done
 929
 930 sphinx_build=
 931 for binary in sphinx-build-3 sphinx-build
 932 do
 933     if has "$binary"
 934     then
 935         sphinx_build=$(command -v "$binary")
 936         break
 937     fi
 938 done
 939
 940 # Check for ancillary tools used in testing
 941 genisoimage=
 942 for binary in genisoimage mkisofs
 943 do
 944     if has $binary
 945     then
 946         genisoimage=$(command -v "$binary")
 947         break
 948     fi
 949 done
 950
 951 : ${smbd=${SMBD-/usr/sbin/smbd}}
 952
 953 # Default objcc to clang if available, otherwise use CC
 954 if has clang; then
 955   objcc=clang
 956 else
 957   objcc="$cc"
 958 fi
 959
 960 if test "$mingw32" = "yes" ; then
 961   EXESUF=".exe"
 962   HOST_DSOSUF=".dll"
 963   # MinGW needs -mthreads for TLS and macro _MT.
 964   CFLAGS="-mthreads $CFLAGS"
 965   write_c_skeleton;
 966   prefix="c:/Program Files/QEMU"
 967   qemu_suffix=""
 968   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 969 fi
 970
 971 werror=""
 972
 973 for opt do
 974   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 975   case "$opt" in
 976   --help|-h) show_help=yes
 977   ;;
 978   --version|-V) exec cat $source_path/VERSION
 979   ;;
 980   --prefix=*) prefix="$optarg"
 981   ;;
 982   --interp-prefix=*) interp_prefix="$optarg"
 983   ;;
 984   --cross-prefix=*)
 985   ;;
 986   --cc=*)
 987   ;;
 988   --host-cc=*) host_cc="$optarg"
 989   ;;
 990   --cxx=*)
 991   ;;
 992   --iasl=*) iasl="$optarg"
 993   ;;
 994   --objcc=*) objcc="$optarg"
 995   ;;
 996   --make=*) make="$optarg"
 997   ;;
 998   --install=*)
 999   ;;
1000   --python=*) python="$optarg" ; explicit_python=yes
1001   ;;
1002   --sphinx-build=*) sphinx_build="$optarg"
1003   ;;
1004   --skip-meson) skip_meson=yes
1005   ;;
1006   --meson=*) meson="$optarg"
1007   ;;
1008   --ninja=*) ninja="$optarg"
1009   ;;
1010   --smbd=*) smbd="$optarg"
1011   ;;
1012   --extra-cflags=*)
1013   ;;
1014   --extra-cxxflags=*)
1015   ;;
1016   --extra-ldflags=*)
1017   ;;
1018   --enable-debug-info)
1019   ;;
1020   --disable-debug-info)
1021   ;;
1022   --cross-cc-*)
1023   ;;
1024   --enable-modules)
1025       modules="yes"
1026   ;;
1027   --disable-modules)
1028       modules="no"
1029   ;;
1030   --disable-module-upgrades) module_upgrades="no"
1031   ;;
1032   --enable-module-upgrades) module_upgrades="yes"
1033   ;;
1034   --cpu=*)
1035   ;;
1036   --target-list=*) target_list="$optarg"
1037                    if test "$target_list_exclude"; then
1038                        error_exit "Can't mix --target-list with --target-list-exclude"
1039                    fi
1040   ;;
1041   --target-list-exclude=*) target_list_exclude="$optarg"
1042                    if test "$target_list"; then
1043                        error_exit "Can't mix --target-list-exclude with --target-list"
1044                    fi
1045   ;;
1046   --enable-trace-backends=*) trace_backends="$optarg"
1047   ;;
1048   # XXX: backwards compatibility
1049   --enable-trace-backend=*) trace_backends="$optarg"
1050   ;;
1051   --with-trace-file=*) trace_file="$optarg"
1052   ;;
1053   --with-default-devices) default_devices="yes"
1054   ;;
1055   --without-default-devices) default_devices="no"
1056   ;;
1057   --enable-gprof) gprof="yes"
1058   ;;
1059   --enable-gcov) gcov="yes"
1060   ;;
1061   --static)
1062     static="yes"
1063     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1064   ;;
1065   --mandir=*) mandir="$optarg"
1066   ;;
1067   --bindir=*) bindir="$optarg"
1068   ;;
1069   --libdir=*) libdir="$optarg"
1070   ;;
1071   --libexecdir=*) libexecdir="$optarg"
1072   ;;
1073   --includedir=*) includedir="$optarg"
1074   ;;
1075   --datadir=*) datadir="$optarg"
1076   ;;
1077   --with-suffix=*) qemu_suffix="$optarg"
1078   ;;
1079   --docdir=*) qemu_docdir="$optarg"
1080   ;;
1081   --sysconfdir=*) sysconfdir="$optarg"
1082   ;;
1083   --localstatedir=*) local_statedir="$optarg"
1084   ;;
1085   --firmwarepath=*) firmwarepath="$optarg"
1086   ;;
1087   --host=*|--build=*|\
1088   --disable-dependency-tracking|\
1089   --sbindir=*|--sharedstatedir=*|\
1090   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1091   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1092     # These switches are silently ignored, for compatibility with
1093     # autoconf-generated configure scripts. This allows QEMU's
1094     # configure to be used by RPM and similar macros that set
1095     # lots of directory switches by default.
1096   ;;
1097   --disable-sdl) sdl="disabled"
1098   ;;
1099   --enable-sdl) sdl="enabled"
1100   ;;
1101   --disable-sdl-image) sdl_image="disabled"
1102   ;;
1103   --enable-sdl-image) sdl_image="enabled"
1104   ;;
1105   --disable-qom-cast-debug) qom_cast_debug="no"
1106   ;;
1107   --enable-qom-cast-debug) qom_cast_debug="yes"
1108   ;;
1109   --disable-virtfs) virtfs="no"
1110   ;;
1111   --enable-virtfs) virtfs="yes"
1112   ;;
1113   --disable-mpath) mpath="no"
1114   ;;
1115   --enable-mpath) mpath="yes"
1116   ;;
1117   --disable-vnc) vnc="disabled"
1118   ;;
1119   --enable-vnc) vnc="enabled"
1120   ;;
1121   --disable-gettext) gettext="false"
1122   ;;
1123   --enable-gettext) gettext="true"
1124   ;;
1125   --oss-lib=*) oss_lib="$optarg"
1126   ;;
1127   --audio-drv-list=*) audio_drv_list="$optarg"
1128   ;;
1129   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1130   ;;
1131   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1132   ;;
1133   --enable-debug-tcg) debug_tcg="yes"
1134   ;;
1135   --disable-debug-tcg) debug_tcg="no"
1136   ;;
1137   --enable-debug)
1138       # Enable debugging options that aren't excessively noisy
1139       debug_tcg="yes"
1140       debug_mutex="yes"
1141       debug="yes"
1142       strip_opt="no"
1143       fortify_source="no"
1144   ;;
1145   --enable-sanitizers) sanitizers="yes"
1146   ;;
1147   --disable-sanitizers) sanitizers="no"
1148   ;;
1149   --enable-tsan) tsan="yes"
1150   ;;
1151   --disable-tsan) tsan="no"
1152   ;;
1153   --enable-sparse) sparse="yes"
1154   ;;
1155   --disable-sparse) sparse="no"
1156   ;;
1157   --disable-strip) strip_opt="no"
1158   ;;
1159   --disable-vnc-sasl) vnc_sasl="disabled"
1160   ;;
1161   --enable-vnc-sasl) vnc_sasl="enabled"
1162   ;;
1163   --disable-vnc-jpeg) vnc_jpeg="disabled"
1164   ;;
1165   --enable-vnc-jpeg) vnc_jpeg="enabled"
1166   ;;
1167   --disable-vnc-png) vnc_png="disabled"
1168   ;;
1169   --enable-vnc-png) vnc_png="enabled"
1170   ;;
1171   --disable-slirp) slirp="no"
1172   ;;
1173   --enable-slirp=git) slirp="git"
1174   ;;
1175   --enable-slirp=system) slirp="system"
1176   ;;
1177   --disable-vde) vde="no"
1178   ;;
1179   --enable-vde) vde="yes"
1180   ;;
1181   --disable-netmap) netmap="no"
1182   ;;
1183   --enable-netmap) netmap="yes"
1184   ;;
1185   --disable-xen) xen="no"
1186   ;;
1187   --enable-xen) xen="yes"
1188   ;;
1189   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1190   ;;
1191   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1192   ;;
1193   --disable-brlapi) brlapi="no"
1194   ;;
1195   --enable-brlapi) brlapi="yes"
1196   ;;
1197   --disable-kvm) kvm="no"
1198   ;;
1199   --enable-kvm) kvm="yes"
1200   ;;
1201   --disable-hax) hax="no"
1202   ;;
1203   --enable-hax) hax="yes"
1204   ;;
1205   --disable-hvf) hvf="no"
1206   ;;
1207   --enable-hvf) hvf="yes"
1208   ;;
1209   --disable-whpx) whpx="no"
1210   ;;
1211   --enable-whpx) whpx="yes"
1212   ;;
1213   --disable-tcg-interpreter) tcg_interpreter="no"
1214   ;;
1215   --enable-tcg-interpreter) tcg_interpreter="yes"
1216   ;;
1217   --disable-cap-ng)  cap_ng="no"
1218   ;;
1219   --enable-cap-ng) cap_ng="yes"
1220   ;;
1221   --disable-tcg) tcg="no"
1222   ;;
1223   --enable-tcg) tcg="yes"
1224   ;;
1225   --disable-malloc-trim) malloc_trim="no"
1226   ;;
1227   --enable-malloc-trim) malloc_trim="yes"
1228   ;;
1229   --disable-spice) spice="no"
1230   ;;
1231   --enable-spice) spice="yes"
1232   ;;
1233   --disable-libiscsi) libiscsi="no"
1234   ;;
1235   --enable-libiscsi) libiscsi="yes"
1236   ;;
1237   --disable-libnfs) libnfs="no"
1238   ;;
1239   --enable-libnfs) libnfs="yes"
1240   ;;
1241   --enable-profiler) profiler="yes"
1242   ;;
1243   --disable-cocoa) cocoa="no"
1244   ;;
1245   --enable-cocoa)
1246       cocoa="yes" ;
1247       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1248   ;;
1249   --disable-system) softmmu="no"
1250   ;;
1251   --enable-system) softmmu="yes"
1252   ;;
1253   --disable-user)
1254       linux_user="no" ;
1255       bsd_user="no" ;
1256   ;;
1257   --enable-user) ;;
1258   --disable-linux-user) linux_user="no"
1259   ;;
1260   --enable-linux-user) linux_user="yes"
1261   ;;
1262   --disable-bsd-user) bsd_user="no"
1263   ;;
1264   --enable-bsd-user) bsd_user="yes"
1265   ;;
1266   --enable-pie) pie="yes"
1267   ;;
1268   --disable-pie) pie="no"
1269   ;;
1270   --enable-werror) werror="yes"
1271   ;;
1272   --disable-werror) werror="no"
1273   ;;
1274   --enable-stack-protector) stack_protector="yes"
1275   ;;
1276   --disable-stack-protector) stack_protector="no"
1277   ;;
1278   --enable-safe-stack) safe_stack="yes"
1279   ;;
1280   --disable-safe-stack) safe_stack="no"
1281   ;;
1282   --disable-curses) curses="no"
1283   ;;
1284   --enable-curses) curses="yes"
1285   ;;
1286   --disable-iconv) iconv="no"
1287   ;;
1288   --enable-iconv) iconv="yes"
1289   ;;
1290   --disable-curl) curl="no"
1291   ;;
1292   --enable-curl) curl="yes"
1293   ;;
1294   --disable-fdt) fdt="no"
1295   ;;
1296   --enable-fdt) fdt="yes"
1297   ;;
1298   --disable-linux-aio) linux_aio="no"
1299   ;;
1300   --enable-linux-aio) linux_aio="yes"
1301   ;;
1302   --disable-linux-io-uring) linux_io_uring="no"
1303   ;;
1304   --enable-linux-io-uring) linux_io_uring="yes"
1305   ;;
1306   --disable-attr) attr="no"
1307   ;;
1308   --enable-attr) attr="yes"
1309   ;;
1310   --disable-membarrier) membarrier="no"
1311   ;;
1312   --enable-membarrier) membarrier="yes"
1313   ;;
1314   --disable-blobs) blobs="no"
1315   ;;
1316   --with-pkgversion=*) pkgversion="$optarg"
1317   ;;
1318   --with-coroutine=*) coroutine="$optarg"
1319   ;;
1320   --disable-coroutine-pool) coroutine_pool="no"
1321   ;;
1322   --enable-coroutine-pool) coroutine_pool="yes"
1323   ;;
1324   --enable-debug-stack-usage) debug_stack_usage="yes"
1325   ;;
1326   --enable-crypto-afalg) crypto_afalg="yes"
1327   ;;
1328   --disable-crypto-afalg) crypto_afalg="no"
1329   ;;
1330   --disable-docs) docs="no"
1331   ;;
1332   --enable-docs) docs="yes"
1333   ;;
1334   --disable-vhost-net) vhost_net="no"
1335   ;;
1336   --enable-vhost-net) vhost_net="yes"
1337   ;;
1338   --disable-vhost-crypto) vhost_crypto="no"
1339   ;;
1340   --enable-vhost-crypto) vhost_crypto="yes"
1341   ;;
1342   --disable-vhost-scsi) vhost_scsi="no"
1343   ;;
1344   --enable-vhost-scsi) vhost_scsi="yes"
1345   ;;
1346   --disable-vhost-vsock) vhost_vsock="no"
1347   ;;
1348   --enable-vhost-vsock) vhost_vsock="yes"
1349   ;;
1350   --disable-vhost-user-fs) vhost_user_fs="no"
1351   ;;
1352   --enable-vhost-user-fs) vhost_user_fs="yes"
1353   ;;
1354   --disable-opengl) opengl="no"
1355   ;;
1356   --enable-opengl) opengl="yes"
1357   ;;
1358   --disable-rbd) rbd="no"
1359   ;;
1360   --enable-rbd) rbd="yes"
1361   ;;
1362   --disable-xfsctl) xfs="no"
1363   ;;
1364   --enable-xfsctl) xfs="yes"
1365   ;;
1366   --disable-smartcard) smartcard="no"
1367   ;;
1368   --enable-smartcard) smartcard="yes"
1369   ;;
1370   --disable-u2f) u2f="disabled"
1371   ;;
1372   --enable-u2f) u2f="enabled"
1373   ;;
1374   --disable-libusb) libusb="no"
1375   ;;
1376   --enable-libusb) libusb="yes"
1377   ;;
1378   --disable-usb-redir) usb_redir="no"
1379   ;;
1380   --enable-usb-redir) usb_redir="yes"
1381   ;;
1382   --disable-zlib-test)
1383   ;;
1384   --disable-lzo) lzo="no"
1385   ;;
1386   --enable-lzo) lzo="yes"
1387   ;;
1388   --disable-snappy) snappy="no"
1389   ;;
1390   --enable-snappy) snappy="yes"
1391   ;;
1392   --disable-bzip2) bzip2="no"
1393   ;;
1394   --enable-bzip2) bzip2="yes"
1395   ;;
1396   --enable-lzfse) lzfse="yes"
1397   ;;
1398   --disable-lzfse) lzfse="no"
1399   ;;
1400   --disable-zstd) zstd="no"
1401   ;;
1402   --enable-zstd) zstd="yes"
1403   ;;
1404   --enable-guest-agent) guest_agent="yes"
1405   ;;
1406   --disable-guest-agent) guest_agent="no"
1407   ;;
1408   --enable-guest-agent-msi) guest_agent_msi="yes"
1409   ;;
1410   --disable-guest-agent-msi) guest_agent_msi="no"
1411   ;;
1412   --with-vss-sdk) vss_win32_sdk=""
1413   ;;
1414   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1415   ;;
1416   --without-vss-sdk) vss_win32_sdk="no"
1417   ;;
1418   --with-win-sdk) win_sdk=""
1419   ;;
1420   --with-win-sdk=*) win_sdk="$optarg"
1421   ;;
1422   --without-win-sdk) win_sdk="no"
1423   ;;
1424   --enable-tools) want_tools="yes"
1425   ;;
1426   --disable-tools) want_tools="no"
1427   ;;
1428   --enable-seccomp) seccomp="yes"
1429   ;;
1430   --disable-seccomp) seccomp="no"
1431   ;;
1432   --disable-glusterfs) glusterfs="no"
1433   ;;
1434   --disable-avx2) avx2_opt="no"
1435   ;;
1436   --enable-avx2) avx2_opt="yes"
1437   ;;
1438   --disable-avx512f) avx512f_opt="no"
1439   ;;
1440   --enable-avx512f) avx512f_opt="yes"
1441   ;;
1442
1443   --enable-glusterfs) glusterfs="yes"
1444   ;;
1445   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1446       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1447   ;;
1448   --enable-vhdx|--disable-vhdx)
1449       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1450   ;;
1451   --enable-uuid|--disable-uuid)
1452       echo "$0: $opt is obsolete, UUID support is always built" >&2
1453   ;;
1454   --disable-gtk) gtk="no"
1455   ;;
1456   --enable-gtk) gtk="yes"
1457   ;;
1458   --tls-priority=*) tls_priority="$optarg"
1459   ;;
1460   --disable-gnutls) gnutls="no"
1461   ;;
1462   --enable-gnutls) gnutls="yes"
1463   ;;
1464   --disable-nettle) nettle="no"
1465   ;;
1466   --enable-nettle) nettle="yes"
1467   ;;
1468   --disable-gcrypt) gcrypt="no"
1469   ;;
1470   --enable-gcrypt) gcrypt="yes"
1471   ;;
1472   --disable-auth-pam) auth_pam="no"
1473   ;;
1474   --enable-auth-pam) auth_pam="yes"
1475   ;;
1476   --enable-rdma) rdma="yes"
1477   ;;
1478   --disable-rdma) rdma="no"
1479   ;;
1480   --enable-pvrdma) pvrdma="yes"
1481   ;;
1482   --disable-pvrdma) pvrdma="no"
1483   ;;
1484   --disable-vte) vte="no"
1485   ;;
1486   --enable-vte) vte="yes"
1487   ;;
1488   --disable-virglrenderer) virglrenderer="no"
1489   ;;
1490   --enable-virglrenderer) virglrenderer="yes"
1491   ;;
1492   --disable-tpm) tpm="no"
1493   ;;
1494   --enable-tpm) tpm="yes"
1495   ;;
1496   --disable-libssh) libssh="no"
1497   ;;
1498   --enable-libssh) libssh="yes"
1499   ;;
1500   --disable-live-block-migration) live_block_migration="no"
1501   ;;
1502   --enable-live-block-migration) live_block_migration="yes"
1503   ;;
1504   --disable-numa) numa="no"
1505   ;;
1506   --enable-numa) numa="yes"
1507   ;;
1508   --disable-libxml2) libxml2="no"
1509   ;;
1510   --enable-libxml2) libxml2="yes"
1511   ;;
1512   --disable-tcmalloc) tcmalloc="no"
1513   ;;
1514   --enable-tcmalloc) tcmalloc="yes"
1515   ;;
1516   --disable-jemalloc) jemalloc="no"
1517   ;;
1518   --enable-jemalloc) jemalloc="yes"
1519   ;;
1520   --disable-replication) replication="no"
1521   ;;
1522   --enable-replication) replication="yes"
1523   ;;
1524   --disable-bochs) bochs="no"
1525   ;;
1526   --enable-bochs) bochs="yes"
1527   ;;
1528   --disable-cloop) cloop="no"
1529   ;;
1530   --enable-cloop) cloop="yes"
1531   ;;
1532   --disable-dmg) dmg="no"
1533   ;;
1534   --enable-dmg) dmg="yes"
1535   ;;
1536   --disable-qcow1) qcow1="no"
1537   ;;
1538   --enable-qcow1) qcow1="yes"
1539   ;;
1540   --disable-vdi) vdi="no"
1541   ;;
1542   --enable-vdi) vdi="yes"
1543   ;;
1544   --disable-vvfat) vvfat="no"
1545   ;;
1546   --enable-vvfat) vvfat="yes"
1547   ;;
1548   --disable-qed) qed="no"
1549   ;;
1550   --enable-qed) qed="yes"
1551   ;;
1552   --disable-parallels) parallels="no"
1553   ;;
1554   --enable-parallels) parallels="yes"
1555   ;;
1556   --disable-sheepdog) sheepdog="no"
1557   ;;
1558   --enable-sheepdog) sheepdog="yes"
1559   ;;
1560   --disable-vhost-user) vhost_user="no"
1561   ;;
1562   --enable-vhost-user) vhost_user="yes"
1563   ;;
1564   --disable-vhost-vdpa) vhost_vdpa="no"
1565   ;;
1566   --enable-vhost-vdpa) vhost_vdpa="yes"
1567   ;;
1568   --disable-vhost-kernel) vhost_kernel="no"
1569   ;;
1570   --enable-vhost-kernel) vhost_kernel="yes"
1571   ;;
1572   --disable-capstone) capstone="no"
1573   ;;
1574   --enable-capstone) capstone="yes"
1575   ;;
1576   --enable-capstone=git) capstone="git"
1577   ;;
1578   --enable-capstone=system) capstone="system"
1579   ;;
1580   --with-git=*) git="$optarg"
1581   ;;
1582   --enable-git-update) git_update=yes
1583   ;;
1584   --disable-git-update) git_update=no
1585   ;;
1586   --enable-debug-mutex) debug_mutex=yes
1587   ;;
1588   --disable-debug-mutex) debug_mutex=no
1589   ;;
1590   --enable-libpmem) libpmem=yes
1591   ;;
1592   --disable-libpmem) libpmem=no
1593   ;;
1594   --enable-xkbcommon) xkbcommon="enabled"
1595   ;;
1596   --disable-xkbcommon) xkbcommon="disabled"
1597   ;;
1598   --enable-plugins) plugins="yes"
1599   ;;
1600   --disable-plugins) plugins="no"
1601   ;;
1602   --enable-containers) use_containers="yes"
1603   ;;
1604   --disable-containers) use_containers="no"
1605   ;;
1606   --enable-fuzzing) fuzzing=yes
1607   ;;
1608   --disable-fuzzing) fuzzing=no
1609   ;;
1610   --gdb=*) gdb_bin="$optarg"
1611   ;;
1612   --enable-rng-none) rng_none=yes
1613   ;;
1614   --disable-rng-none) rng_none=no
1615   ;;
1616   --enable-keyring) secret_keyring="yes"
1617   ;;
1618   --disable-keyring) secret_keyring="no"
1619   ;;
1620   --enable-libdaxctl) libdaxctl=yes
1621   ;;
1622   --disable-libdaxctl) libdaxctl=no
1623   ;;
1624   *)
1625       echo "ERROR: unknown option $opt"
1626       echo "Try '$0 --help' for more information"
1627       exit 1
1628   ;;
1629   esac
1630 done
1631
1632 firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}"
1633 libdir="${libdir:-$prefix/lib}"
1634 libexecdir="${libexecdir:-$prefix/libexec}"
1635 includedir="${includedir:-$prefix/include}"
1636
1637 if test "$mingw32" = "yes" ; then
1638     mandir="$prefix"
1639     datadir="$prefix"
1640     docdir="$prefix"
1641     bindir="$prefix"
1642     sysconfdir="$prefix"
1643     local_statedir=
1644 else
1645     mandir="${mandir:-$prefix/share/man}"
1646     datadir="${datadir:-$prefix/share}"
1647     docdir="${docdir:-$prefix/share/doc}"
1648     bindir="${bindir:-$prefix/bin}"
1649     sysconfdir="${sysconfdir:-$prefix/etc}"
1650     local_statedir="${local_statedir:-$prefix/var}"
1651 fi
1652
1653 case "$cpu" in
1654     ppc)
1655            CPU_CFLAGS="-m32"
1656            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1657            ;;
1658     ppc64)
1659            CPU_CFLAGS="-m64"
1660            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1661            ;;
1662     sparc)
1663            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1664            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1665            ;;
1666     sparc64)
1667            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1668            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1669            ;;
1670     s390)
1671            CPU_CFLAGS="-m31"
1672            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1673            ;;
1674     s390x)
1675            CPU_CFLAGS="-m64"
1676            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1677            ;;
1678     i386)
1679            CPU_CFLAGS="-m32"
1680            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1681            ;;
1682     x86_64)
1683            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1684            # If we truly care, we should simply detect this case at
1685            # runtime and generate the fallback to serial emulation.
1686            CPU_CFLAGS="-m64 -mcx16"
1687            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1688            ;;
1689     x32)
1690            CPU_CFLAGS="-mx32"
1691            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1692            ;;
1693     # No special flags required for other host CPUs
1694 esac
1695
1696 eval "cross_cc_${cpu}=\$host_cc"
1697 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1698 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1699
1700 # For user-mode emulation the host arch has to be one we explicitly
1701 # support, even if we're using TCI.
1702 if [ "$ARCH" = "unknown" ]; then
1703   bsd_user="no"
1704   linux_user="no"
1705 fi
1706
1707 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1708   tcg="no"
1709 fi
1710
1711 default_target_list=""
1712
1713 mak_wilds=""
1714
1715 if [ "$softmmu" = "yes" ]; then
1716     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1717 fi
1718 if [ "$linux_user" = "yes" ]; then
1719     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1720 fi
1721 if [ "$bsd_user" = "yes" ]; then
1722     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1723 fi
1724
1725 if test -z "$target_list_exclude" -a -z "$target_list"; then
1726     # if the user doesn't specify anything lets skip deprecating stuff
1727     target_list_exclude=ppc64abi32-linux-user
1728 fi
1729
1730 exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1731 for config in $mak_wilds; do
1732     target="$(basename "$config" .mak)"
1733     exclude="no"
1734     for excl in $exclude_list; do
1735         if test "$excl" = "$target"; then
1736             exclude="yes"
1737             break;
1738         fi
1739     done
1740     if test "$exclude" = "no"; then
1741         default_target_list="${default_target_list} $target"
1742     fi
1743 done
1744
1745 # Enumerate public trace backends for --help output
1746 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1747
1748 if test x"$show_help" = x"yes" ; then
1749 cat << EOF
1750
1751 Usage: configure [options]
1752 Options: [defaults in brackets after descriptions]
1753
1754 Standard options:
1755   --help                   print this message
1756   --prefix=PREFIX          install in PREFIX [$prefix]
1757   --interp-prefix=PREFIX   where to find shared libraries, etc.
1758                            use %M for cpu name [$interp_prefix]
1759   --target-list=LIST       set target list (default: build everything)
1760 $(echo Available targets: $default_target_list | \
1761   fold -s -w 53 | sed -e 's/^/                           /')
1762   --target-list-exclude=LIST exclude a set of targets from the default target-list
1763
1764 Advanced options (experts only):
1765   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1766   --cc=CC                  use C compiler CC [$cc]
1767   --iasl=IASL              use ACPI compiler IASL [$iasl]
1768   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1769                            build time
1770   --cxx=CXX                use C++ compiler CXX [$cxx]
1771   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1772   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1773   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1774   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1775   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1776   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1777   --make=MAKE              use specified make [$make]
1778   --python=PYTHON          use specified python [$python]
1779   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1780   --meson=MESON            use specified meson [$meson]
1781   --ninja=NINJA            use specified ninja [$ninja]
1782   --smbd=SMBD              use specified smbd [$smbd]
1783   --with-git=GIT           use specified git [$git]
1784   --static                 enable static build [$static]
1785   --mandir=PATH            install man pages in PATH
1786   --datadir=PATH           install firmware in PATH/$qemu_suffix
1787   --docdir=PATH            install documentation in PATH/$qemu_suffix
1788   --bindir=PATH            install binaries in PATH
1789   --libdir=PATH            install libraries in PATH
1790   --libexecdir=PATH        install helper binaries in PATH
1791   --sysconfdir=PATH        install config in PATH/$qemu_suffix
1792   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1793   --firmwarepath=PATH      search PATH for firmware files
1794   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1795   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1796   --with-pkgversion=VERS   use specified string as sub-version of the package
1797   --enable-debug           enable common debug build options
1798   --enable-sanitizers      enable default sanitizers
1799   --enable-tsan            enable thread sanitizer
1800   --disable-strip          disable stripping binaries
1801   --disable-werror         disable compilation abort on warning
1802   --disable-stack-protector disable compiler-provided stack protection
1803   --audio-drv-list=LIST    set audio drivers list:
1804                            Available drivers: $audio_possible_drivers
1805   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1806   --block-drv-rw-whitelist=L
1807                            set block driver read-write whitelist
1808                            (affects only QEMU, not qemu-img)
1809   --block-drv-ro-whitelist=L
1810                            set block driver read-only whitelist
1811                            (affects only QEMU, not qemu-img)
1812   --enable-trace-backends=B Set trace backend
1813                            Available backends: $trace_backend_list
1814   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1815                            Default:trace-<pid>
1816   --disable-slirp          disable SLIRP userspace network connectivity
1817   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1818   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1819   --oss-lib                path to OSS library
1820   --cpu=CPU                Build for host CPU [$cpu]
1821   --with-coroutine=BACKEND coroutine backend. Supported options:
1822                            ucontext, sigaltstack, windows
1823   --enable-gcov            enable test coverage analysis with gcov
1824   --disable-blobs          disable installing provided firmware blobs
1825   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1826   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1827   --tls-priority           default TLS protocol/cipher priority string
1828   --enable-gprof           QEMU profiling with gprof
1829   --enable-profiler        profiler support
1830   --enable-debug-stack-usage
1831                            track the maximum stack usage of stacks created by qemu_alloc_stack
1832   --enable-plugins
1833                            enable plugins via shared library loading
1834   --disable-containers     don't use containers for cross-building
1835   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1836
1837 Optional features, enabled with --enable-FEATURE and
1838 disabled with --disable-FEATURE, default is enabled if available:
1839
1840   system          all system emulation targets
1841   user            supported user emulation targets
1842   linux-user      all linux usermode emulation targets
1843   bsd-user        all BSD usermode emulation targets
1844   docs            build documentation
1845   guest-agent     build the QEMU Guest Agent
1846   guest-agent-msi build guest agent Windows MSI installation package
1847   pie             Position Independent Executables
1848   modules         modules support (non-Windows)
1849   module-upgrades try to load modules from alternate paths for upgrades
1850   debug-tcg       TCG debugging (default is disabled)
1851   debug-info      debugging information
1852   sparse          sparse checker
1853   safe-stack      SafeStack Stack Smash Protection. Depends on
1854                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1855
1856   gnutls          GNUTLS cryptography support
1857   nettle          nettle cryptography support
1858   gcrypt          libgcrypt cryptography support
1859   auth-pam        PAM access control
1860   sdl             SDL UI
1861   sdl-image       SDL Image support for icons
1862   gtk             gtk UI
1863   vte             vte support for the gtk UI
1864   curses          curses UI
1865   iconv           font glyph conversion support
1866   vnc             VNC UI support
1867   vnc-sasl        SASL encryption for VNC server
1868   vnc-jpeg        JPEG lossy compression for VNC server
1869   vnc-png         PNG compression for VNC server
1870   cocoa           Cocoa UI (Mac OS X only)
1871   virtfs          VirtFS
1872   mpath           Multipath persistent reservation passthrough
1873   xen             xen backend driver support
1874   xen-pci-passthrough    PCI passthrough support for Xen
1875   brlapi          BrlAPI (Braile)
1876   curl            curl connectivity
1877   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1878   fdt             fdt device tree
1879   kvm             KVM acceleration support
1880   hax             HAX acceleration support
1881   hvf             Hypervisor.framework acceleration support
1882   whpx            Windows Hypervisor Platform acceleration support
1883   rdma            Enable RDMA-based migration
1884   pvrdma          Enable PVRDMA support
1885   vde             support for vde network
1886   netmap          support for netmap network
1887   linux-aio       Linux AIO support
1888   linux-io-uring  Linux io_uring support
1889   cap-ng          libcap-ng support
1890   attr            attr and xattr support
1891   vhost-net       vhost-net kernel acceleration support
1892   vhost-vsock     virtio sockets device support
1893   vhost-scsi      vhost-scsi kernel target support
1894   vhost-crypto    vhost-user-crypto backend support
1895   vhost-kernel    vhost kernel backend support
1896   vhost-user      vhost-user backend support
1897   vhost-vdpa      vhost-vdpa kernel backend support
1898   spice           spice
1899   rbd             rados block device (rbd)
1900   libiscsi        iscsi support
1901   libnfs          nfs support
1902   smartcard       smartcard support (libcacard)
1903   u2f             U2F support (u2f-emu)
1904   libusb          libusb (for usb passthrough)
1905   live-block-migration   Block migration in the main migration stream
1906   usb-redir       usb network redirection support
1907   lzo             support of lzo compression library
1908   snappy          support of snappy compression library
1909   bzip2           support of bzip2 compression library
1910                   (for reading bzip2-compressed dmg images)
1911   lzfse           support of lzfse compression library
1912                   (for reading lzfse-compressed dmg images)
1913   zstd            support for zstd compression library
1914                   (for migration compression and qcow2 cluster compression)
1915   seccomp         seccomp support
1916   coroutine-pool  coroutine freelist (better performance)
1917   glusterfs       GlusterFS backend
1918   tpm             TPM support
1919   libssh          ssh block device support
1920   numa            libnuma support
1921   libxml2         for Parallels image format
1922   tcmalloc        tcmalloc support
1923   jemalloc        jemalloc support
1924   avx2            AVX2 optimization support
1925   avx512f         AVX512F optimization support
1926   replication     replication support
1927   opengl          opengl support
1928   virglrenderer   virgl rendering support
1929   xfsctl          xfsctl support
1930   qom-cast-debug  cast debugging support
1931   tools           build qemu-io, qemu-nbd and qemu-img tools
1932   bochs           bochs image format support
1933   cloop           cloop image format support
1934   dmg             dmg image format support
1935   qcow1           qcow v1 image format support
1936   vdi             vdi image format support
1937   vvfat           vvfat image format support
1938   qed             qed image format support
1939   parallels       parallels image format support
1940   sheepdog        sheepdog block driver support
1941   crypto-afalg    Linux AF_ALG crypto backend driver
1942   capstone        capstone disassembler support
1943   debug-mutex     mutex debugging support
1944   libpmem         libpmem support
1945   xkbcommon       xkbcommon support
1946   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1947   libdaxctl       libdaxctl support
1948
1949 NOTE: The object files are built at the place where configure is launched
1950 EOF
1951 exit 0
1952 fi
1953
1954 # Remove old dependency files to make sure that they get properly regenerated
1955 rm -f */config-devices.mak.d
1956
1957 if test -z "$python"
1958 then
1959     error_exit "Python not found. Use --python=/path/to/python"
1960 fi
1961
1962 # Note that if the Python conditional here evaluates True we will exit
1963 # with status 1 which is a shell 'false' value.
1964 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1965   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1966       "Use --python=/path/to/python to specify a supported Python."
1967 fi
1968
1969 # Preserve python version since some functionality is dependent on it
1970 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)
1971
1972 # Suppress writing compiled files
1973 python="$python -B"
1974
1975 if test -z "$meson"; then
1976     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
1977         meson=meson
1978     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1979         meson=git
1980     elif test -e "${source_path}/meson/meson.py" ; then
1981         meson=internal
1982     else
1983         if test "$explicit_python" = yes; then
1984             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1985         else
1986             error_exit "Meson not found.  Use --meson=/path/to/meson"
1987         fi
1988     fi
1989 else
1990     # Meson uses its own Python interpreter to invoke other Python scripts,
1991     # but the user wants to use the one they specified with --python.
1992     #
1993     # We do not want to override the distro Python interpreter (and sometimes
1994     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1995     # just require --meson=git|internal together with --python.
1996     if test "$explicit_python" = yes; then
1997         case "$meson" in
1998             git | internal) ;;
1999             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2000         esac
2001     fi
2002 fi
2003
2004 if test "$meson" = git; then
2005     git_submodules="${git_submodules} meson"
2006 fi
2007
2008 case "$meson" in
2009     git | internal)
2010         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2011             error_exit "Python setuptools not found"
2012         fi
2013         meson="$python ${source_path}/meson/meson.py"
2014         ;;
2015     *) meson=$(command -v meson) ;;
2016 esac
2017
2018 # Probe for ninja (used for compdb)
2019
2020 if test -z "$ninja"; then
2021     for c in ninja ninja-build samu; do
2022         if has $c; then
2023             ninja=$(command -v "$c")
2024             break
2025         fi
2026     done
2027 fi
2028
2029 # Check that the C compiler works. Doing this here before testing
2030 # the host CPU ensures that we had a valid CC to autodetect the
2031 # $cpu var (and we should bail right here if that's not the case).
2032 # It also allows the help message to be printed without a CC.
2033 write_c_skeleton;
2034 if compile_object ; then
2035   : C compiler works ok
2036 else
2037     error_exit "\"$cc\" either does not exist or does not work"
2038 fi
2039 if ! compile_prog ; then
2040     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2041 fi
2042
2043 # Now we have handled --enable-tcg-interpreter and know we're not just
2044 # printing the help message, bail out if the host CPU isn't supported.
2045 if test "$ARCH" = "unknown"; then
2046     if test "$tcg_interpreter" = "yes" ; then
2047         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2048     else
2049         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2050     fi
2051 fi
2052
2053 # Consult white-list to determine whether to enable werror
2054 # by default.  Only enable by default for git builds
2055 if test -z "$werror" ; then
2056     if test -e "$source_path/.git" && \
2057         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2058         werror="yes"
2059     else
2060         werror="no"
2061     fi
2062 fi
2063
2064 if test "$bogus_os" = "yes"; then
2065     # Now that we know that we're not printing the help and that
2066     # the compiler works (so the results of the check_defines we used
2067     # to identify the OS are reliable), if we didn't recognize the
2068     # host OS we should stop now.
2069     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2070 fi
2071
2072 # Check whether the compiler matches our minimum requirements:
2073 cat > $TMPC << EOF
2074 #if defined(__clang_major__) && defined(__clang_minor__)
2075 # ifdef __apple_build_version__
2076 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2077 #   error You need at least XCode Clang v5.1 to compile QEMU
2078 #  endif
2079 # else
2080 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2081 #   error You need at least Clang v3.4 to compile QEMU
2082 #  endif
2083 # endif
2084 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2085 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2086 #  error You need at least GCC v4.8 to compile QEMU
2087 # endif
2088 #else
2089 # error You either need GCC or Clang to compiler QEMU
2090 #endif
2091 int main (void) { return 0; }
2092 EOF
2093 if ! compile_prog "" "" ; then
2094     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2095 fi
2096
2097 # Accumulate -Wfoo and -Wno-bar separately.
2098 # We will list all of the enable flags first, and the disable flags second.
2099 # Note that we do not add -Werror, because that would enable it for all
2100 # configure tests. If a configure test failed due to -Werror this would
2101 # just silently disable some features, so it's too error prone.
2102
2103 warn_flags=
2104 add_to warn_flags -Wold-style-declaration
2105 add_to warn_flags -Wold-style-definition
2106 add_to warn_flags -Wtype-limits
2107 add_to warn_flags -Wformat-security
2108 add_to warn_flags -Wformat-y2k
2109 add_to warn_flags -Winit-self
2110 add_to warn_flags -Wignored-qualifiers
2111 add_to warn_flags -Wempty-body
2112 add_to warn_flags -Wnested-externs
2113 add_to warn_flags -Wendif-labels
2114 add_to warn_flags -Wexpansion-to-defined
2115
2116 nowarn_flags=
2117 add_to nowarn_flags -Wno-initializer-overrides
2118 add_to nowarn_flags -Wno-missing-include-dirs
2119 add_to nowarn_flags -Wno-shift-negative-value
2120 add_to nowarn_flags -Wno-string-plus-int
2121 add_to nowarn_flags -Wno-typedef-redefinition
2122 add_to nowarn_flags -Wno-tautological-type-limit-compare
2123 add_to nowarn_flags -Wno-psabi
2124
2125 gcc_flags="$warn_flags $nowarn_flags"
2126
2127 cc_has_warning_flag() {
2128     write_c_skeleton;
2129
2130     # Use the positive sense of the flag when testing for -Wno-wombat
2131     # support (gcc will happily accept the -Wno- form of unknown
2132     # warning options).
2133     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2134     compile_prog "-Werror $optflag" ""
2135 }
2136
2137 for flag in $gcc_flags; do
2138     if cc_has_warning_flag $flag ; then
2139         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2140     fi
2141 done
2142
2143 if test "$stack_protector" != "no"; then
2144   cat > $TMPC << EOF
2145 int main(int argc, char *argv[])
2146 {
2147     char arr[64], *p = arr, *c = argv[0];
2148     while (*c) {
2149         *p++ = *c++;
2150     }
2151     return 0;
2152 }
2153 EOF
2154   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2155   sp_on=0
2156   for flag in $gcc_flags; do
2157     # We need to check both a compile and a link, since some compiler
2158     # setups fail only on a .c->.o compile and some only at link time
2159     if compile_object "-Werror $flag" &&
2160        compile_prog "-Werror $flag" ""; then
2161       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2162       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2163       sp_on=1
2164       break
2165     fi
2166   done
2167   if test "$stack_protector" = yes; then
2168     if test $sp_on = 0; then
2169       error_exit "Stack protector not supported"
2170     fi
2171   fi
2172 fi
2173
2174 # Disable -Wmissing-braces on older compilers that warn even for
2175 # the "universal" C zero initializer {0}.
2176 cat > $TMPC << EOF
2177 struct {
2178   int a[2];
2179 } x = {0};
2180 EOF
2181 if compile_object "-Werror" "" ; then
2182   :
2183 else
2184   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2185 fi
2186
2187 # Our module code doesn't support Windows
2188 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2189   error_exit "Modules are not available for Windows"
2190 fi
2191
2192 # module_upgrades is only reasonable if modules are enabled
2193 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2194   error_exit "Can't enable module-upgrades as Modules are not enabled"
2195 fi
2196
2197 # Static linking is not possible with modules or PIE
2198 if test "$static" = "yes" ; then
2199   if test "$modules" = "yes" ; then
2200     error_exit "static and modules are mutually incompatible"
2201   fi
2202 fi
2203
2204 # Unconditional check for compiler __thread support
2205   cat > $TMPC << EOF
2206 static __thread int tls_var;
2207 int main(void) { return tls_var; }
2208 EOF
2209
2210 if ! compile_prog "-Werror" "" ; then
2211     error_exit "Your compiler does not support the __thread specifier for " \
2212         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2213 fi
2214
2215 cat > $TMPC << EOF
2216
2217 #ifdef __linux__
2218 #  define THREAD __thread
2219 #else
2220 #  define THREAD
2221 #endif
2222 static THREAD int tls_var;
2223 int main(void) { return tls_var; }
2224 EOF
2225
2226 # Check we support --no-pie first; we will need this for building ROMs.
2227 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2228   CFLAGS_NOPIE="-fno-pie"
2229   LDFLAGS_NOPIE="-no-pie"
2230 fi
2231
2232 if test "$static" = "yes"; then
2233   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2234     CFLAGS="-fPIE -DPIE $CFLAGS"
2235     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2236     pie="yes"
2237   elif test "$pie" = "yes"; then
2238     error_exit "-static-pie not available due to missing toolchain support"
2239   else
2240     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2241     pie="no"
2242   fi
2243 elif test "$pie" = "no"; then
2244   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2245   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2246 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2247   CFLAGS="-fPIE -DPIE $CFLAGS"
2248   LDFLAGS="-pie $LDFLAGS"
2249   pie="yes"
2250 elif test "$pie" = "yes"; then
2251   error_exit "PIE not available due to missing toolchain support"
2252 else
2253   echo "Disabling PIE due to missing toolchain support"
2254   pie="no"
2255 fi
2256
2257 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2258 # The combination is known as "full relro", because .got.plt is read-only too.
2259 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2260   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2261 fi
2262
2263 ##########################################
2264 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2265 # use i686 as default anyway, but for those that don't, an explicit
2266 # specification is necessary
2267
2268 if test "$cpu" = "i386"; then
2269   cat > $TMPC << EOF
2270 static int sfaa(int *ptr)
2271 {
2272   return __sync_fetch_and_and(ptr, 0);
2273 }
2274
2275 int main(void)
2276 {
2277   int val = 42;
2278   val = __sync_val_compare_and_swap(&val, 0, 1);
2279   sfaa(&val);
2280   return val;
2281 }
2282 EOF
2283   if ! compile_prog "" "" ; then
2284     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2285   fi
2286 fi
2287
2288 #########################################
2289 # Solaris specific configure tool chain decisions
2290
2291 if test "$solaris" = "yes" ; then
2292   if has ar; then
2293     :
2294   else
2295     if test -f /usr/ccs/bin/ar ; then
2296       error_exit "No path includes ar" \
2297           "Add /usr/ccs/bin to your path and rerun configure"
2298     fi
2299     error_exit "No path includes ar"
2300   fi
2301 fi
2302
2303 if test -z "${target_list+xxx}" ; then
2304     for target in $default_target_list; do
2305         supported_target $target 2>/dev/null && \
2306             target_list="$target_list $target"
2307     done
2308     target_list="${target_list# }"
2309 else
2310     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2311     for target in $target_list; do
2312         # Check that we recognised the target name; this allows a more
2313         # friendly error message than if we let it fall through.
2314         case " $default_target_list " in
2315             *" $target "*)
2316                 ;;
2317             *)
2318                 error_exit "Unknown target name '$target'"
2319                 ;;
2320         esac
2321         supported_target $target || exit 1
2322     done
2323 fi
2324
2325 # see if system emulation was really requested
2326 case " $target_list " in
2327   *"-softmmu "*) softmmu=yes
2328   ;;
2329   *) softmmu=no
2330   ;;
2331 esac
2332
2333 for target in $target_list; do
2334   case "$target" in
2335     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2336       edk2_blobs="yes"
2337       ;;
2338   esac
2339 done
2340 # The EDK2 binaries are compressed with bzip2
2341 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2342   error_exit "The bzip2 program is required for building QEMU"
2343 fi
2344
2345 feature_not_found() {
2346   feature=$1
2347   remedy=$2
2348
2349   error_exit "User requested feature $feature" \
2350       "configure was not able to find it." \
2351       "$remedy"
2352 }
2353
2354 # ---
2355 # big/little endian test
2356 cat > $TMPC << EOF
2357 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2358 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2359 extern int foo(short *, short *);
2360 int main(int argc, char *argv[]) {
2361     return foo(big_endian, little_endian);
2362 }
2363 EOF
2364
2365 if compile_object ; then
2366     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2367         bigendian="yes"
2368     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2369         bigendian="no"
2370     else
2371         echo big/little test failed
2372     fi
2373 else
2374     echo big/little test failed
2375 fi
2376
2377 ##########################################
2378 # system tools
2379 if test -z "$want_tools"; then
2380     if test "$softmmu" = "no"; then
2381         want_tools=no
2382     else
2383         want_tools=yes
2384     fi
2385 fi
2386
2387 ##########################################
2388 # cocoa implies not SDL or GTK
2389 # (the cocoa UI code currently assumes it is always the active UI
2390 # and doesn't interact well with other UI frontend code)
2391 if test "$cocoa" = "yes"; then
2392     if test "$sdl" = "yes"; then
2393         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2394     fi
2395     if test "$gtk" = "yes"; then
2396         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2397     fi
2398     gtk=no
2399     sdl=disabled
2400 fi
2401
2402 # Some versions of Mac OS X incorrectly define SIZE_MAX
2403 cat > $TMPC << EOF
2404 #include <stdint.h>
2405 #include <stdio.h>
2406 int main(int argc, char *argv[]) {
2407     return printf("%zu", SIZE_MAX);
2408 }
2409 EOF
2410 have_broken_size_max=no
2411 if ! compile_object -Werror ; then
2412     have_broken_size_max=yes
2413 fi
2414
2415 ##########################################
2416 # L2TPV3 probe
2417
2418 cat > $TMPC <<EOF
2419 #include <sys/socket.h>
2420 #include <linux/ip.h>
2421 int main(void) { return sizeof(struct mmsghdr); }
2422 EOF
2423 if compile_prog "" "" ; then
2424   l2tpv3=yes
2425 else
2426   l2tpv3=no
2427 fi
2428
2429 if check_include "pty.h" ; then
2430   pty_h=yes
2431 else
2432   pty_h=no
2433 fi
2434
2435 cat > $TMPC <<EOF
2436 #include <sys/mman.h>
2437 int main(int argc, char *argv[]) {
2438     return mlockall(MCL_FUTURE);
2439 }
2440 EOF
2441 if compile_prog "" "" ; then
2442   have_mlockall=yes
2443 else
2444   have_mlockall=no
2445 fi
2446
2447 #########################################
2448 # vhost interdependencies and host support
2449
2450 # vhost backends
2451 test "$vhost_user" = "" && vhost_user=yes
2452 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2453   error_exit "vhost-user isn't available on win32"
2454 fi
2455 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2456 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2457   error_exit "vhost-vdpa is only available on Linux"
2458 fi
2459 test "$vhost_kernel" = "" && vhost_kernel=$linux
2460 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2461   error_exit "vhost-kernel is only available on Linux"
2462 fi
2463
2464 # vhost-kernel devices
2465 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2466 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2467   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2468 fi
2469 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2470 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2471   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2472 fi
2473
2474 # vhost-user backends
2475 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2476 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2477   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2478 fi
2479 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2480 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2481   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2482 fi
2483 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2484 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2485   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2486 fi
2487 #vhost-vdpa backends
2488 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2489 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2490   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2491 fi
2492
2493 # OR the vhost-kernel and vhost-user values for simplicity
2494 if test "$vhost_net" = ""; then
2495   test "$vhost_net_user" = "yes" && vhost_net=yes
2496   test "$vhost_kernel" = "yes" && vhost_net=yes
2497 fi
2498
2499 ##########################################
2500 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2501
2502 if test "$mingw32" = "yes"; then
2503     # Some versions of MinGW / Mingw-w64 lack localtime_r
2504     # and gmtime_r entirely.
2505     #
2506     # Some versions of Mingw-w64 define a macro for
2507     # localtime_r/gmtime_r.
2508     #
2509     # Some versions of Mingw-w64 will define functions
2510     # for localtime_r/gmtime_r, but only if you have
2511     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2512     # though, unistd.h and pthread.h both define
2513     # that for you.
2514     #
2515     # So this #undef localtime_r and #include <unistd.h>
2516     # are not in fact redundant.
2517 cat > $TMPC << EOF
2518 #include <unistd.h>
2519 #include <time.h>
2520 #undef localtime_r
2521 int main(void) { localtime_r(NULL, NULL); return 0; }
2522 EOF
2523     if compile_prog "" "" ; then
2524         localtime_r="yes"
2525     else
2526         localtime_r="no"
2527     fi
2528 fi
2529
2530 ##########################################
2531 # pkg-config probe
2532
2533 if ! has "$pkg_config_exe"; then
2534   error_exit "pkg-config binary '$pkg_config_exe' not found"
2535 fi
2536
2537 ##########################################
2538 # NPTL probe
2539
2540 if test "$linux_user" = "yes"; then
2541   cat > $TMPC <<EOF
2542 #include <sched.h>
2543 #include <linux/futex.h>
2544 int main(void) {
2545 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2546 #error bork
2547 #endif
2548   return 0;
2549 }
2550 EOF
2551   if ! compile_object ; then
2552     feature_not_found "nptl" "Install glibc and linux kernel headers."
2553   fi
2554 fi
2555
2556 ##########################################
2557 # lzo check
2558
2559 if test "$lzo" != "no" ; then
2560     cat > $TMPC << EOF
2561 #include <lzo/lzo1x.h>
2562 int main(void) { lzo_version(); return 0; }
2563 EOF
2564     if compile_prog "" "-llzo2" ; then
2565         lzo_libs="-llzo2"
2566         lzo="yes"
2567     else
2568         if test "$lzo" = "yes"; then
2569             feature_not_found "liblzo2" "Install liblzo2 devel"
2570         fi
2571         lzo="no"
2572     fi
2573 fi
2574
2575 ##########################################
2576 # snappy check
2577
2578 if test "$snappy" != "no" ; then
2579     cat > $TMPC << EOF
2580 #include <snappy-c.h>
2581 int main(void) { snappy_max_compressed_length(4096); return 0; }
2582 EOF
2583     if compile_prog "" "-lsnappy" ; then
2584         snappy_libs='-lsnappy'
2585         snappy="yes"
2586     else
2587         if test "$snappy" = "yes"; then
2588             feature_not_found "libsnappy" "Install libsnappy devel"
2589         fi
2590         snappy="no"
2591     fi
2592 fi
2593
2594 ##########################################
2595 # bzip2 check
2596
2597 if test "$bzip2" != "no" ; then
2598     cat > $TMPC << EOF
2599 #include <bzlib.h>
2600 int main(void) { BZ2_bzlibVersion(); return 0; }
2601 EOF
2602     if compile_prog "" "-lbz2" ; then
2603         bzip2="yes"
2604     else
2605         if test "$bzip2" = "yes"; then
2606             feature_not_found "libbzip2" "Install libbzip2 devel"
2607         fi
2608         bzip2="no"
2609     fi
2610 fi
2611
2612 ##########################################
2613 # lzfse check
2614
2615 if test "$lzfse" != "no" ; then
2616     cat > $TMPC << EOF
2617 #include <lzfse.h>
2618 int main(void) { lzfse_decode_scratch_size(); return 0; }
2619 EOF
2620     if compile_prog "" "-llzfse" ; then
2621         lzfse="yes"
2622     else
2623         if test "$lzfse" = "yes"; then
2624             feature_not_found "lzfse" "Install lzfse devel"
2625         fi
2626         lzfse="no"
2627     fi
2628 fi
2629
2630 ##########################################
2631 # zstd check
2632
2633 if test "$zstd" != "no" ; then
2634     libzstd_minver="1.4.0"
2635     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2636         zstd_cflags="$($pkg_config --cflags libzstd)"
2637         zstd_libs="$($pkg_config --libs libzstd)"
2638         zstd="yes"
2639     else
2640         if test "$zstd" = "yes" ; then
2641             feature_not_found "libzstd" "Install libzstd devel"
2642         fi
2643         zstd="no"
2644     fi
2645 fi
2646
2647 ##########################################
2648 # libseccomp check
2649
2650 if test "$seccomp" != "no" ; then
2651     libseccomp_minver="2.3.0"
2652     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2653         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2654         seccomp_libs="$($pkg_config --libs libseccomp)"
2655         seccomp="yes"
2656     else
2657         if test "$seccomp" = "yes" ; then
2658             feature_not_found "libseccomp" \
2659                  "Install libseccomp devel >= $libseccomp_minver"
2660         fi
2661         seccomp="no"
2662     fi
2663 fi
2664 ##########################################
2665 # xen probe
2666
2667 if test "$xen" != "no" ; then
2668   # Check whether Xen library path is specified via --extra-ldflags to avoid
2669   # overriding this setting with pkg-config output. If not, try pkg-config
2670   # to obtain all needed flags.
2671
2672   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2673      $pkg_config --exists xencontrol ; then
2674     xen_ctrl_version="$(printf '%d%02d%02d' \
2675       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2676     xen=yes
2677     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2678     xen_pc="$xen_pc xenevtchn xendevicemodel"
2679     if $pkg_config --exists xentoolcore; then
2680       xen_pc="$xen_pc xentoolcore"
2681     fi
2682     xen_cflags="$($pkg_config --cflags $xen_pc)"
2683     xen_libs="$($pkg_config --libs $xen_pc)"
2684   else
2685
2686     xen_libs="-lxenstore -lxenctrl -lxenguest"
2687     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2688
2689     # First we test whether Xen headers and libraries are available.
2690     # If no, we are done and there is no Xen support.
2691     # If yes, more tests are run to detect the Xen version.
2692
2693     # Xen (any)
2694     cat > $TMPC <<EOF
2695 #include <xenctrl.h>
2696 int main(void) {
2697   return 0;
2698 }
2699 EOF
2700     if ! compile_prog "" "$xen_libs" ; then
2701       # Xen not found
2702       if test "$xen" = "yes" ; then
2703         feature_not_found "xen" "Install xen devel"
2704       fi
2705       xen=no
2706
2707     # Xen unstable
2708     elif
2709         cat > $TMPC <<EOF &&
2710 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2711 #define __XEN_TOOLS__
2712 #include <xendevicemodel.h>
2713 #include <xenforeignmemory.h>
2714 int main(void) {
2715   xendevicemodel_handle *xd;
2716   xenforeignmemory_handle *xfmem;
2717
2718   xd = xendevicemodel_open(0, 0);
2719   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2720
2721   xfmem = xenforeignmemory_open(0, 0);
2722   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2723
2724   return 0;
2725 }
2726 EOF
2727         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2728       then
2729       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2730       xen_ctrl_version=41100
2731       xen=yes
2732     elif
2733         cat > $TMPC <<EOF &&
2734 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2735 #include <xenforeignmemory.h>
2736 #include <xentoolcore.h>
2737 int main(void) {
2738   xenforeignmemory_handle *xfmem;
2739
2740   xfmem = xenforeignmemory_open(0, 0);
2741   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2742   xentoolcore_restrict_all(0);
2743
2744   return 0;
2745 }
2746 EOF
2747         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2748       then
2749       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2750       xen_ctrl_version=41000
2751       xen=yes
2752     elif
2753         cat > $TMPC <<EOF &&
2754 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2755 #define __XEN_TOOLS__
2756 #include <xendevicemodel.h>
2757 int main(void) {
2758   xendevicemodel_handle *xd;
2759
2760   xd = xendevicemodel_open(0, 0);
2761   xendevicemodel_close(xd);
2762
2763   return 0;
2764 }
2765 EOF
2766         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2767       then
2768       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2769       xen_ctrl_version=40900
2770       xen=yes
2771     elif
2772         cat > $TMPC <<EOF &&
2773 /*
2774  * If we have stable libs the we don't want the libxc compat
2775  * layers, regardless of what CFLAGS we may have been given.
2776  *
2777  * Also, check if xengnttab_grant_copy_segment_t is defined and
2778  * grant copy operation is implemented.
2779  */
2780 #undef XC_WANT_COMPAT_EVTCHN_API
2781 #undef XC_WANT_COMPAT_GNTTAB_API
2782 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2783 #include <xenctrl.h>
2784 #include <xenstore.h>
2785 #include <xenevtchn.h>
2786 #include <xengnttab.h>
2787 #include <xenforeignmemory.h>
2788 #include <stdint.h>
2789 #include <xen/hvm/hvm_info_table.h>
2790 #if !defined(HVM_MAX_VCPUS)
2791 # error HVM_MAX_VCPUS not defined
2792 #endif
2793 int main(void) {
2794   xc_interface *xc = NULL;
2795   xenforeignmemory_handle *xfmem;
2796   xenevtchn_handle *xe;
2797   xengnttab_handle *xg;
2798   xengnttab_grant_copy_segment_t* seg = NULL;
2799
2800   xs_daemon_open();
2801
2802   xc = xc_interface_open(0, 0, 0);
2803   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2804   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2805   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2806   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2807
2808   xfmem = xenforeignmemory_open(0, 0);
2809   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2810
2811   xe = xenevtchn_open(0, 0);
2812   xenevtchn_fd(xe);
2813
2814   xg = xengnttab_open(0, 0);
2815   xengnttab_grant_copy(xg, 0, seg);
2816
2817   return 0;
2818 }
2819 EOF
2820         compile_prog "" "$xen_libs $xen_stable_libs"
2821       then
2822       xen_ctrl_version=40800
2823       xen=yes
2824     elif
2825         cat > $TMPC <<EOF &&
2826 /*
2827  * If we have stable libs the we don't want the libxc compat
2828  * layers, regardless of what CFLAGS we may have been given.
2829  */
2830 #undef XC_WANT_COMPAT_EVTCHN_API
2831 #undef XC_WANT_COMPAT_GNTTAB_API
2832 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2833 #include <xenctrl.h>
2834 #include <xenstore.h>
2835 #include <xenevtchn.h>
2836 #include <xengnttab.h>
2837 #include <xenforeignmemory.h>
2838 #include <stdint.h>
2839 #include <xen/hvm/hvm_info_table.h>
2840 #if !defined(HVM_MAX_VCPUS)
2841 # error HVM_MAX_VCPUS not defined
2842 #endif
2843 int main(void) {
2844   xc_interface *xc = NULL;
2845   xenforeignmemory_handle *xfmem;
2846   xenevtchn_handle *xe;
2847   xengnttab_handle *xg;
2848
2849   xs_daemon_open();
2850
2851   xc = xc_interface_open(0, 0, 0);
2852   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2853   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2854   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2855   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2856
2857   xfmem = xenforeignmemory_open(0, 0);
2858   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2859
2860   xe = xenevtchn_open(0, 0);
2861   xenevtchn_fd(xe);
2862
2863   xg = xengnttab_open(0, 0);
2864   xengnttab_map_grant_ref(xg, 0, 0, 0);
2865
2866   return 0;
2867 }
2868 EOF
2869         compile_prog "" "$xen_libs $xen_stable_libs"
2870       then
2871       xen_ctrl_version=40701
2872       xen=yes
2873
2874     # Xen 4.6
2875     elif
2876         cat > $TMPC <<EOF &&
2877 #include <xenctrl.h>
2878 #include <xenstore.h>
2879 #include <stdint.h>
2880 #include <xen/hvm/hvm_info_table.h>
2881 #if !defined(HVM_MAX_VCPUS)
2882 # error HVM_MAX_VCPUS not defined
2883 #endif
2884 int main(void) {
2885   xc_interface *xc;
2886   xs_daemon_open();
2887   xc = xc_interface_open(0, 0, 0);
2888   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2889   xc_gnttab_open(NULL, 0);
2890   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2891   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2892   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2893   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2894   return 0;
2895 }
2896 EOF
2897         compile_prog "" "$xen_libs"
2898       then
2899       xen_ctrl_version=40600
2900       xen=yes
2901
2902     # Xen 4.5
2903     elif
2904         cat > $TMPC <<EOF &&
2905 #include <xenctrl.h>
2906 #include <xenstore.h>
2907 #include <stdint.h>
2908 #include <xen/hvm/hvm_info_table.h>
2909 #if !defined(HVM_MAX_VCPUS)
2910 # error HVM_MAX_VCPUS not defined
2911 #endif
2912 int main(void) {
2913   xc_interface *xc;
2914   xs_daemon_open();
2915   xc = xc_interface_open(0, 0, 0);
2916   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2917   xc_gnttab_open(NULL, 0);
2918   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2919   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2920   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2921   return 0;
2922 }
2923 EOF
2924         compile_prog "" "$xen_libs"
2925       then
2926       xen_ctrl_version=40500
2927       xen=yes
2928
2929     elif
2930         cat > $TMPC <<EOF &&
2931 #include <xenctrl.h>
2932 #include <xenstore.h>
2933 #include <stdint.h>
2934 #include <xen/hvm/hvm_info_table.h>
2935 #if !defined(HVM_MAX_VCPUS)
2936 # error HVM_MAX_VCPUS not defined
2937 #endif
2938 int main(void) {
2939   xc_interface *xc;
2940   xs_daemon_open();
2941   xc = xc_interface_open(0, 0, 0);
2942   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2943   xc_gnttab_open(NULL, 0);
2944   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2945   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2946   return 0;
2947 }
2948 EOF
2949         compile_prog "" "$xen_libs"
2950       then
2951       xen_ctrl_version=40200
2952       xen=yes
2953
2954     else
2955       if test "$xen" = "yes" ; then
2956         feature_not_found "xen (unsupported version)" \
2957                           "Install a supported xen (xen 4.2 or newer)"
2958       fi
2959       xen=no
2960     fi
2961
2962     if test "$xen" = yes; then
2963       if test $xen_ctrl_version -ge 40701  ; then
2964         xen_libs="$xen_libs $xen_stable_libs "
2965       fi
2966     fi
2967   fi
2968 fi
2969
2970 if test "$xen_pci_passthrough" != "no"; then
2971   if test "$xen" = "yes" && test "$linux" = "yes"; then
2972     xen_pci_passthrough=yes
2973   else
2974     if test "$xen_pci_passthrough" = "yes"; then
2975       error_exit "User requested feature Xen PCI Passthrough" \
2976           " but this feature requires /sys from Linux"
2977     fi
2978     xen_pci_passthrough=no
2979   fi
2980 fi
2981
2982 ##########################################
2983 # Windows Hypervisor Platform accelerator (WHPX) check
2984 if test "$whpx" != "no" ; then
2985     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2986         whpx="yes"
2987     else
2988         if test "$whpx" = "yes"; then
2989             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2990         fi
2991         whpx="no"
2992     fi
2993 fi
2994
2995 ##########################################
2996 # gettext probe
2997 if test "$gettext" != "false" ; then
2998   if has xgettext; then
2999     gettext=true
3000   else
3001     if test "$gettext" = "true" ; then
3002       feature_not_found "gettext" "Install xgettext binary"
3003     fi
3004     gettext=false
3005   fi
3006 fi
3007
3008 ##########################################
3009 # Sparse probe
3010 if test "$sparse" != "no" ; then
3011   if has sparse; then
3012     sparse=yes
3013   else
3014     if test "$sparse" = "yes" ; then
3015       feature_not_found "sparse" "Install sparse binary"
3016     fi
3017     sparse=no
3018   fi
3019 fi
3020
3021 ##########################################
3022 # X11 probe
3023 if $pkg_config --exists "x11"; then
3024     have_x11=yes
3025     x11_cflags=$($pkg_config --cflags x11)
3026     x11_libs=$($pkg_config --libs x11)
3027 fi
3028
3029 ##########################################
3030 # GTK probe
3031
3032 if test "$gtk" != "no"; then
3033     gtkpackage="gtk+-3.0"
3034     gtkx11package="gtk+-x11-3.0"
3035     gtkversion="3.22.0"
3036     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3037         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3038         gtk_libs=$($pkg_config --libs $gtkpackage)
3039         gtk_version=$($pkg_config --modversion $gtkpackage)
3040         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3041             need_x11=yes
3042             gtk_cflags="$gtk_cflags $x11_cflags"
3043             gtk_libs="$gtk_libs $x11_libs"
3044         fi
3045         gtk="yes"
3046     elif test "$gtk" = "yes"; then
3047         feature_not_found "gtk" "Install gtk3-devel"
3048     else
3049         gtk="no"
3050     fi
3051 fi
3052
3053
3054 ##########################################
3055 # GNUTLS probe
3056
3057 if test "$gnutls" != "no"; then
3058     pass="no"
3059     if $pkg_config --exists "gnutls >= 3.1.18"; then
3060         gnutls_cflags=$($pkg_config --cflags gnutls)
3061         gnutls_libs=$($pkg_config --libs gnutls)
3062         # Packaging for the static libraries is not always correct.
3063         # At least ubuntu 18.04 ships only shared libraries.
3064         write_c_skeleton
3065         if compile_prog "" "$gnutls_libs" ; then
3066             pass="yes"
3067         fi
3068     fi
3069     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3070         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3071     else
3072         gnutls="$pass"
3073     fi
3074 fi
3075
3076
3077 # If user didn't give a --disable/enable-gcrypt flag,
3078 # then mark as disabled if user requested nettle
3079 # explicitly
3080 if test -z "$gcrypt"
3081 then
3082     if test "$nettle" = "yes"
3083     then
3084         gcrypt="no"
3085     fi
3086 fi
3087
3088 # If user didn't give a --disable/enable-nettle flag,
3089 # then mark as disabled if user requested gcrypt
3090 # explicitly
3091 if test -z "$nettle"
3092 then
3093     if test "$gcrypt" = "yes"
3094     then
3095         nettle="no"
3096     fi
3097 fi
3098
3099 has_libgcrypt() {
3100     if ! has "libgcrypt-config"
3101     then
3102         return 1
3103     fi
3104
3105     if test -n "$cross_prefix"
3106     then
3107         host=$(libgcrypt-config --host)
3108         if test "$host-" != $cross_prefix
3109         then
3110             return 1
3111         fi
3112     fi
3113
3114     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3115     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3116
3117     if test $maj != 1 || test $min -lt 5
3118     then
3119        return 1
3120     fi
3121
3122     return 0
3123 }
3124
3125
3126 if test "$nettle" != "no"; then
3127     pass="no"
3128     if $pkg_config --exists "nettle >= 2.7.1"; then
3129         nettle_cflags=$($pkg_config --cflags nettle)
3130         nettle_libs=$($pkg_config --libs nettle)
3131         nettle_version=$($pkg_config --modversion nettle)
3132         # Link test to make sure the given libraries work (e.g for static).
3133         write_c_skeleton
3134         if compile_prog "" "$nettle_libs" ; then
3135             if test -z "$gcrypt"; then
3136                gcrypt="no"
3137             fi
3138             pass="yes"
3139         fi
3140     fi
3141     if test "$pass" = "yes"
3142     then
3143         cat > $TMPC << EOF
3144 #include <nettle/xts.h>
3145 int main(void) {
3146   return 0;
3147 }
3148 EOF
3149         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3150             nettle_xts=yes
3151             qemu_private_xts=no
3152         fi
3153     fi
3154     if test "$pass" = "no" && test "$nettle" = "yes"; then
3155         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3156     else
3157         nettle="$pass"
3158     fi
3159 fi
3160
3161 if test "$gcrypt" != "no"; then
3162     pass="no"
3163     if has_libgcrypt; then
3164         gcrypt_cflags=$(libgcrypt-config --cflags)
3165         gcrypt_libs=$(libgcrypt-config --libs)
3166         # Debian has removed -lgpg-error from libgcrypt-config
3167         # as it "spreads unnecessary dependencies" which in
3168         # turn breaks static builds...
3169         if test "$static" = "yes"
3170         then
3171             gcrypt_libs="$gcrypt_libs -lgpg-error"
3172         fi
3173
3174         # Link test to make sure the given libraries work (e.g for static).
3175         write_c_skeleton
3176         if compile_prog "" "$gcrypt_libs" ; then
3177             pass="yes"
3178         fi
3179     fi
3180     if test "$pass" = "yes"; then
3181         gcrypt="yes"
3182         cat > $TMPC << EOF
3183 #include <gcrypt.h>
3184 int main(void) {
3185   gcry_mac_hd_t handle;
3186   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3187                 GCRY_MAC_FLAG_SECURE, NULL);
3188   return 0;
3189 }
3190 EOF
3191         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3192             gcrypt_hmac=yes
3193         fi
3194         cat > $TMPC << EOF
3195 #include <gcrypt.h>
3196 int main(void) {
3197   gcry_cipher_hd_t handle;
3198   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3199   return 0;
3200 }
3201 EOF
3202         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3203             gcrypt_xts=yes
3204             qemu_private_xts=no
3205         fi
3206     elif test "$gcrypt" = "yes"; then
3207         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3208     else
3209         gcrypt="no"
3210     fi
3211 fi
3212
3213
3214 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3215 then
3216     error_exit "Only one of gcrypt & nettle can be enabled"
3217 fi
3218
3219 ##########################################
3220 # libtasn1 - only for the TLS creds/session test suite
3221
3222 tasn1=yes
3223 tasn1_cflags=""
3224 tasn1_libs=""
3225 if $pkg_config --exists "libtasn1"; then
3226     tasn1_cflags=$($pkg_config --cflags libtasn1)
3227     tasn1_libs=$($pkg_config --libs libtasn1)
3228 else
3229     tasn1=no
3230 fi
3231
3232
3233 ##########################################
3234 # PAM probe
3235
3236 if test "$auth_pam" != "no"; then
3237     cat > $TMPC <<EOF
3238 #include <security/pam_appl.h>
3239 #include <stdio.h>
3240 int main(void) {
3241    const char *service_name = "qemu";
3242    const char *user = "frank";
3243    const struct pam_conv pam_conv = { 0 };
3244    pam_handle_t *pamh = NULL;
3245    pam_start(service_name, user, &pam_conv, &pamh);
3246    return 0;
3247 }
3248 EOF
3249     if compile_prog "" "-lpam" ; then
3250         auth_pam=yes
3251     else
3252         if test "$auth_pam" = "yes"; then
3253             feature_not_found "PAM" "Install PAM development package"
3254         else
3255             auth_pam=no
3256         fi
3257     fi
3258 fi
3259
3260 ##########################################
3261 # getifaddrs (for tests/test-io-channel-socket )
3262
3263 have_ifaddrs_h=yes
3264 if ! check_include "ifaddrs.h" ; then
3265   have_ifaddrs_h=no
3266 fi
3267
3268 #########################################
3269 # libdrm check
3270 have_drm_h=no
3271 if check_include "libdrm/drm.h" ; then
3272     have_drm_h=yes
3273 fi
3274
3275 #########################################
3276 # sys/signal.h check
3277 have_sys_signal_h=no
3278 if check_include "sys/signal.h" ; then
3279   have_sys_signal_h=yes
3280 fi
3281
3282 ##########################################
3283 # VTE probe
3284
3285 if test "$vte" != "no"; then
3286     vteminversion="0.32.0"
3287     if $pkg_config --exists "vte-2.91"; then
3288       vtepackage="vte-2.91"
3289     else
3290       vtepackage="vte-2.90"
3291     fi
3292     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3293         vte_cflags=$($pkg_config --cflags $vtepackage)
3294         vte_libs=$($pkg_config --libs $vtepackage)
3295         vteversion=$($pkg_config --modversion $vtepackage)
3296         vte="yes"
3297     elif test "$vte" = "yes"; then
3298         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3299     else
3300         vte="no"
3301     fi
3302 fi
3303
3304 ##########################################
3305 # RDMA needs OpenFabrics libraries
3306 if test "$rdma" != "no" ; then
3307   cat > $TMPC <<EOF
3308 #include <rdma/rdma_cma.h>
3309 int main(void) { return 0; }
3310 EOF
3311   rdma_libs="-lrdmacm -libverbs -libumad"
3312   if compile_prog "" "$rdma_libs" ; then
3313     rdma="yes"
3314   else
3315     if test "$rdma" = "yes" ; then
3316         error_exit \
3317             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3318             " Your options:" \
3319             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3320             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3321             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3322     fi
3323     rdma="no"
3324   fi
3325 fi
3326
3327 ##########################################
3328 # PVRDMA detection
3329
3330 cat > $TMPC <<EOF &&
3331 #include <sys/mman.h>
3332
3333 int
3334 main(void)
3335 {
3336     char buf = 0;
3337     void *addr = &buf;
3338     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3339
3340     return 0;
3341 }
3342 EOF
3343
3344 if test "$rdma" = "yes" ; then
3345     case "$pvrdma" in
3346     "")
3347         if compile_prog "" ""; then
3348             pvrdma="yes"
3349         else
3350             pvrdma="no"
3351         fi
3352         ;;
3353     "yes")
3354         if ! compile_prog "" ""; then
3355             error_exit "PVRDMA is not supported since mremap is not implemented"
3356         fi
3357         pvrdma="yes"
3358         ;;
3359     "no")
3360         pvrdma="no"
3361         ;;
3362     esac
3363 else
3364     if test "$pvrdma" = "yes" ; then
3365         error_exit "PVRDMA requires rdma suppport"
3366     fi
3367     pvrdma="no"
3368 fi
3369
3370 # Let's see if enhanced reg_mr is supported
3371 if test "$pvrdma" = "yes" ; then
3372
3373 cat > $TMPC <<EOF &&
3374 #include <infiniband/verbs.h>
3375
3376 int
3377 main(void)
3378 {
3379     struct ibv_mr *mr;
3380     struct ibv_pd *pd = NULL;
3381     size_t length = 10;
3382     uint64_t iova = 0;
3383     int access = 0;
3384     void *addr = NULL;
3385
3386     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3387
3388     ibv_dereg_mr(mr);
3389
3390     return 0;
3391 }
3392 EOF
3393     if ! compile_prog "" "-libverbs"; then
3394         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3395     fi
3396 fi
3397
3398 ##########################################
3399 # xfsctl() probe, used for file-posix.c
3400 if test "$xfs" != "no" ; then
3401   cat > $TMPC << EOF
3402 #include <stddef.h>  /* NULL */
3403 #include <xfs/xfs.h>
3404 int main(void)
3405 {
3406     xfsctl(NULL, 0, 0, NULL);
3407     return 0;
3408 }
3409 EOF
3410   if compile_prog "" "" ; then
3411     xfs="yes"
3412   else
3413     if test "$xfs" = "yes" ; then
3414       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3415     fi
3416     xfs=no
3417   fi
3418 fi
3419
3420 ##########################################
3421 # vde libraries probe
3422 if test "$vde" != "no" ; then
3423   vde_libs="-lvdeplug"
3424   cat > $TMPC << EOF
3425 #include <libvdeplug.h>
3426 int main(void)
3427 {
3428     struct vde_open_args a = {0, 0, 0};
3429     char s[] = "";
3430     vde_open(s, s, &a);
3431     return 0;
3432 }
3433 EOF
3434   if compile_prog "" "$vde_libs" ; then
3435     vde=yes
3436   else
3437     if test "$vde" = "yes" ; then
3438       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3439     fi
3440     vde=no
3441   fi
3442 fi
3443
3444 ##########################################
3445 # netmap support probe
3446 # Apart from looking for netmap headers, we make sure that the host API version
3447 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3448 # a minor/major version number. Minor new features will be marked with values up
3449 # to 15, and if something happens that requires a change to the backend we will
3450 # move above 15, submit the backend fixes and modify this two bounds.
3451 if test "$netmap" != "no" ; then
3452   cat > $TMPC << EOF
3453 #include <inttypes.h>
3454 #include <net/if.h>
3455 #include <net/netmap.h>
3456 #include <net/netmap_user.h>
3457 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3458 #error
3459 #endif
3460 int main(void) { return 0; }
3461 EOF
3462   if compile_prog "" "" ; then
3463     netmap=yes
3464   else
3465     if test "$netmap" = "yes" ; then
3466       feature_not_found "netmap"
3467     fi
3468     netmap=no
3469   fi
3470 fi
3471
3472 ##########################################
3473 # libcap-ng library probe
3474 if test "$cap_ng" != "no" ; then
3475   cap_libs="-lcap-ng"
3476   cat > $TMPC << EOF
3477 #include <cap-ng.h>
3478 int main(void)
3479 {
3480     capng_capability_to_name(CAPNG_EFFECTIVE);
3481     return 0;
3482 }
3483 EOF
3484   if compile_prog "" "$cap_libs" ; then
3485     cap_ng=yes
3486   else
3487     if test "$cap_ng" = "yes" ; then
3488       feature_not_found "cap_ng" "Install libcap-ng devel"
3489     fi
3490     cap_ng=no
3491   fi
3492 fi
3493
3494 ##########################################
3495 # Sound support libraries probe
3496
3497 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3498 for drv in $audio_drv_list; do
3499     case $drv in
3500     alsa | try-alsa)
3501     if $pkg_config alsa --exists; then
3502         alsa_libs=$($pkg_config alsa --libs)
3503         alsa_cflags=$($pkg_config alsa --cflags)
3504         alsa=yes
3505         if test "$drv" = "try-alsa"; then
3506             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3507         fi
3508     else
3509         if test "$drv" = "try-alsa"; then
3510             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3511         else
3512             error_exit "$drv check failed" \
3513                 "Make sure to have the $drv libs and headers installed."
3514         fi
3515     fi
3516     ;;
3517
3518     pa | try-pa)
3519     if $pkg_config libpulse --exists; then
3520         libpulse=yes
3521         pulse_libs=$($pkg_config libpulse --libs)
3522         pulse_cflags=$($pkg_config libpulse --cflags)
3523         if test "$drv" = "try-pa"; then
3524             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3525         fi
3526     else
3527         if test "$drv" = "try-pa"; then
3528             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3529         else
3530             error_exit "$drv check failed" \
3531                 "Make sure to have the $drv libs and headers installed."
3532         fi
3533     fi
3534     ;;
3535
3536     sdl)
3537     if test "$sdl" = "no"; then
3538         error_exit "sdl not found or disabled, can not use sdl audio driver"
3539     fi
3540     ;;
3541
3542     try-sdl)
3543     if test "$sdl" = "no"; then
3544         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3545     else
3546         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3547     fi
3548     ;;
3549
3550     coreaudio)
3551       coreaudio_libs="-framework CoreAudio"
3552     ;;
3553
3554     dsound)
3555       dsound_libs="-lole32 -ldxguid"
3556       audio_win_int="yes"
3557     ;;
3558
3559     oss)
3560       oss_libs="$oss_lib"
3561     ;;
3562
3563     jack | try-jack)
3564     if $pkg_config jack --exists; then
3565         libjack=yes
3566         jack_libs=$($pkg_config jack --libs)
3567         if test "$drv" = "try-jack"; then
3568             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3569         fi
3570     else
3571         if test "$drv" = "try-jack"; then
3572             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3573         else
3574             error_exit "$drv check failed" \
3575                 "Make sure to have the $drv libs and headers installed."
3576         fi
3577     fi
3578     ;;
3579
3580     *)
3581     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3582         error_exit "Unknown driver '$drv' selected" \
3583             "Possible drivers are: $audio_possible_drivers"
3584     }
3585     ;;
3586     esac
3587 done
3588
3589 ##########################################
3590 # BrlAPI probe
3591
3592 if test "$brlapi" != "no" ; then
3593   brlapi_libs="-lbrlapi"
3594   cat > $TMPC << EOF
3595 #include <brlapi.h>
3596 #include <stddef.h>
3597 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3598 EOF
3599   if compile_prog "" "$brlapi_libs" ; then
3600     brlapi=yes
3601   else
3602     if test "$brlapi" = "yes" ; then
3603       feature_not_found "brlapi" "Install brlapi devel"
3604     fi
3605     brlapi=no
3606   fi
3607 fi
3608
3609 ##########################################
3610 # iconv probe
3611 if test "$iconv" != "no" ; then
3612   cat > $TMPC << EOF
3613 #include <iconv.h>
3614 int main(void) {
3615   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3616   return conv != (iconv_t) -1;
3617 }
3618 EOF
3619   iconv_prefix_list="/usr/local:/usr"
3620   iconv_lib_list=":-liconv"
3621   IFS=:
3622   for iconv_prefix in $iconv_prefix_list; do
3623     IFS=:
3624     iconv_cflags="-I$iconv_prefix/include"
3625     iconv_ldflags="-L$iconv_prefix/lib"
3626     for iconv_link in $iconv_lib_list; do
3627       unset IFS
3628       iconv_lib="$iconv_ldflags $iconv_link"
3629       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3630       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3631         iconv_found=yes
3632         break
3633       fi
3634     done
3635     if test "$iconv_found" = yes ; then
3636       break
3637     fi
3638   done
3639   if test "$iconv_found" = "yes" ; then
3640     iconv=yes
3641   else
3642     if test "$iconv" = "yes" ; then
3643       feature_not_found "iconv" "Install iconv devel"
3644     fi
3645     iconv=no
3646   fi
3647 fi
3648
3649 ##########################################
3650 # curses probe
3651 if test "$iconv" = "no" ; then
3652   # curses will need iconv
3653   curses=no
3654 fi
3655 if test "$curses" != "no" ; then
3656   if test "$mingw32" = "yes" ; then
3657     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3658     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3659   else
3660     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3661     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3662   fi
3663   curses_found=no
3664   cat > $TMPC << EOF
3665 #include <locale.h>
3666 #include <curses.h>
3667 #include <wchar.h>
3668 #include <langinfo.h>
3669 int main(void) {
3670   const char *codeset;
3671   wchar_t wch = L'w';
3672   setlocale(LC_ALL, "");
3673   resize_term(0, 0);
3674   addwstr(L"wide chars\n");
3675   addnwstr(&wch, 1);
3676   add_wch(WACS_DEGREE);
3677   codeset = nl_langinfo(CODESET);
3678   return codeset != 0;
3679 }
3680 EOF
3681   IFS=:
3682   for curses_inc in $curses_inc_list; do
3683     # Make sure we get the wide character prototypes
3684     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3685     IFS=:
3686     for curses_lib in $curses_lib_list; do
3687       unset IFS
3688       if compile_prog "$curses_inc" "$curses_lib" ; then
3689         curses_found=yes
3690         break
3691       fi
3692     done
3693     if test "$curses_found" = yes ; then
3694       break
3695     fi
3696   done
3697   unset IFS
3698   if test "$curses_found" = "yes" ; then
3699     curses=yes
3700   else
3701     if test "$curses" = "yes" ; then
3702       feature_not_found "curses" "Install ncurses devel"
3703     fi
3704     curses=no
3705   fi
3706 fi
3707
3708 ##########################################
3709 # curl probe
3710 if test "$curl" != "no" ; then
3711   if $pkg_config libcurl --exists; then
3712     curlconfig="$pkg_config libcurl"
3713   else
3714     curlconfig=curl-config
3715   fi
3716   cat > $TMPC << EOF
3717 #include <curl/curl.h>
3718 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3719 EOF
3720   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3721   curl_libs=$($curlconfig --libs 2>/dev/null)
3722   if compile_prog "$curl_cflags" "$curl_libs" ; then
3723     curl=yes
3724   else
3725     if test "$curl" = "yes" ; then
3726       feature_not_found "curl" "Install libcurl devel"
3727     fi
3728     curl=no
3729   fi
3730 fi # test "$curl"
3731
3732 ##########################################
3733 # glib support probe
3734
3735 glib_req_ver=2.48
3736 glib_modules=gthread-2.0
3737 if test "$modules" = yes; then
3738     glib_modules="$glib_modules gmodule-export-2.0"
3739 fi
3740 if test "$plugins" = yes; then
3741     glib_modules="$glib_modules gmodule-2.0"
3742 fi
3743
3744 for i in $glib_modules; do
3745     if $pkg_config --atleast-version=$glib_req_ver $i; then
3746         glib_cflags=$($pkg_config --cflags $i)
3747         glib_libs=$($pkg_config --libs $i)
3748     else
3749         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3750     fi
3751 done
3752
3753 # This workaround is required due to a bug in pkg-config file for glib as it
3754 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3755
3756 if test "$static" = yes && test "$mingw32" = yes; then
3757     glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3758 fi
3759
3760 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3761     gio=yes
3762     gio_cflags=$($pkg_config --cflags gio-2.0)
3763     gio_libs=$($pkg_config --libs gio-2.0)
3764     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3765     if [ ! -x "$gdbus_codegen" ]; then
3766         gdbus_codegen=
3767     fi
3768 else
3769     gio=no
3770 fi
3771
3772 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3773     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3774     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3775 fi
3776
3777 # Sanity check that the current size_t matches the
3778 # size that glib thinks it should be. This catches
3779 # problems on multi-arch where people try to build
3780 # 32-bit QEMU while pointing at 64-bit glib headers
3781 cat > $TMPC <<EOF
3782 #include <glib.h>
3783 #include <unistd.h>
3784
3785 #define QEMU_BUILD_BUG_ON(x) \
3786   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3787
3788 int main(void) {
3789    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3790    return 0;
3791 }
3792 EOF
3793
3794 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3795     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3796                "You probably need to set PKG_CONFIG_LIBDIR"\
3797                "to point to the right pkg-config files for your"\
3798                "build target"
3799 fi
3800
3801 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3802 cat > $TMPC << EOF
3803 #include <glib.h>
3804 int main(void) { return 0; }
3805 EOF
3806 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3807     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3808         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3809         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3810     fi
3811 fi
3812
3813 # Silence clang warnings triggered by glib < 2.57.2
3814 cat > $TMPC << EOF
3815 #include <glib.h>
3816 typedef struct Foo {
3817     int i;
3818 } Foo;
3819 static void foo_free(Foo *f)
3820 {
3821     g_free(f);
3822 }
3823 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3824 int main(void) { return 0; }
3825 EOF
3826 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3827     if cc_has_warning_flag "-Wno-unused-function"; then
3828         glib_cflags="$glib_cflags -Wno-unused-function"
3829         CFLAGS="$CFLAGS -Wno-unused-function"
3830     fi
3831 fi
3832
3833 ##########################################
3834 # SHA command probe for modules
3835 if test "$modules" = yes; then
3836     shacmd_probe="sha1sum sha1 shasum"
3837     for c in $shacmd_probe; do
3838         if has $c; then
3839             shacmd="$c"
3840             break
3841         fi
3842     done
3843     if test "$shacmd" = ""; then
3844         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3845     fi
3846 fi
3847
3848 ##########################################
3849 # libmpathpersist probe
3850
3851 if test "$mpath" != "no" ; then
3852   # probe for the new API
3853   cat > $TMPC <<EOF
3854 #include <libudev.h>
3855 #include <mpath_persist.h>
3856 unsigned mpath_mx_alloc_len = 1024;
3857 int logsink;
3858 static struct config *multipath_conf;
3859 extern struct udev *udev;
3860 extern struct config *get_multipath_config(void);
3861 extern void put_multipath_config(struct config *conf);
3862 struct udev *udev;
3863 struct config *get_multipath_config(void) { return multipath_conf; }
3864 void put_multipath_config(struct config *conf) { }
3865
3866 int main(void) {
3867     udev = udev_new();
3868     multipath_conf = mpath_lib_init();
3869     return 0;
3870 }
3871 EOF
3872   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3873     mpathpersist=yes
3874     mpathpersist_new_api=yes
3875   else
3876     # probe for the old API
3877     cat > $TMPC <<EOF
3878 #include <libudev.h>
3879 #include <mpath_persist.h>
3880 unsigned mpath_mx_alloc_len = 1024;
3881 int logsink;
3882 int main(void) {
3883     struct udev *udev = udev_new();
3884     mpath_lib_init(udev);
3885     return 0;
3886 }
3887 EOF
3888     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3889       mpathpersist=yes
3890       mpathpersist_new_api=no
3891     else
3892       mpathpersist=no
3893     fi
3894   fi
3895 else
3896   mpathpersist=no
3897 fi
3898
3899 ##########################################
3900 # pthread probe
3901 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3902
3903 pthread=no
3904 cat > $TMPC << EOF
3905 #include <pthread.h>
3906 static void *f(void *p) { return NULL; }
3907 int main(void) {
3908   pthread_t thread;
3909   pthread_create(&thread, 0, f, 0);
3910   return 0;
3911 }
3912 EOF
3913 if compile_prog "" "" ; then
3914   pthread=yes
3915 else
3916   for pthread_lib in $PTHREADLIBS_LIST; do
3917     if compile_prog "" "$pthread_lib" ; then
3918       pthread=yes
3919       found=no
3920       for lib_entry in $LIBS; do
3921         if test "$lib_entry" = "$pthread_lib"; then
3922           found=yes
3923           break
3924         fi
3925       done
3926       if test "$found" = "no"; then
3927         LIBS="$pthread_lib $LIBS"
3928       fi
3929       PTHREAD_LIB="$pthread_lib"
3930       break
3931     fi
3932   done
3933 fi
3934
3935 if test "$mingw32" != yes && test "$pthread" = no; then
3936   error_exit "pthread check failed" \
3937       "Make sure to have the pthread libs and headers installed."
3938 fi
3939
3940 # check for pthread_setname_np with thread id
3941 pthread_setname_np_w_tid=no
3942 cat > $TMPC << EOF
3943 #include <pthread.h>
3944
3945 static void *f(void *p) { return NULL; }
3946 int main(void)
3947 {
3948     pthread_t thread;
3949     pthread_create(&thread, 0, f, 0);
3950     pthread_setname_np(thread, "QEMU");
3951     return 0;
3952 }
3953 EOF
3954 if compile_prog "" "$pthread_lib" ; then
3955   pthread_setname_np_w_tid=yes
3956 fi
3957
3958 # check for pthread_setname_np without thread id
3959 pthread_setname_np_wo_tid=no
3960 cat > $TMPC << EOF
3961 #include <pthread.h>
3962
3963 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3964 int main(void)
3965 {
3966     pthread_t thread;
3967     pthread_create(&thread, 0, f, 0);
3968     return 0;
3969 }
3970 EOF
3971 if compile_prog "" "$pthread_lib" ; then
3972   pthread_setname_np_wo_tid=yes
3973 fi
3974
3975 ##########################################
3976 # rbd probe
3977 if test "$rbd" != "no" ; then
3978   cat > $TMPC <<EOF
3979 #include <stdio.h>
3980 #include <rbd/librbd.h>
3981 int main(void) {
3982     rados_t cluster;
3983     rados_create(&cluster, NULL);
3984     return 0;
3985 }
3986 EOF
3987   rbd_libs="-lrbd -lrados"
3988   if compile_prog "" "$rbd_libs" ; then
3989     rbd=yes
3990   else
3991     if test "$rbd" = "yes" ; then
3992       feature_not_found "rados block device" "Install librbd/ceph devel"
3993     fi
3994     rbd=no
3995   fi
3996 fi
3997
3998 ##########################################
3999 # libssh probe
4000 if test "$libssh" != "no" ; then
4001   if $pkg_config --exists libssh; then
4002     libssh_cflags=$($pkg_config libssh --cflags)
4003     libssh_libs=$($pkg_config libssh --libs)
4004     libssh=yes
4005   else
4006     if test "$libssh" = "yes" ; then
4007       error_exit "libssh required for --enable-libssh"
4008     fi
4009     libssh=no
4010   fi
4011 fi
4012
4013 ##########################################
4014 # Check for libssh 0.8
4015 # This is done like this instead of using the LIBSSH_VERSION_* and
4016 # SSH_VERSION_* macros because some distributions in the past shipped
4017 # snapshots of the future 0.8 from Git, and those snapshots did not
4018 # have updated version numbers (still referring to 0.7.0).
4019
4020 if test "$libssh" = "yes"; then
4021   cat > $TMPC <<EOF
4022 #include <libssh/libssh.h>
4023 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4024 EOF
4025   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4026     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4027   fi
4028 fi
4029
4030 ##########################################
4031 # linux-aio probe
4032
4033 if test "$linux_aio" != "no" ; then
4034   cat > $TMPC <<EOF
4035 #include <libaio.h>
4036 #include <sys/eventfd.h>
4037 #include <stddef.h>
4038 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4039 EOF
4040   if compile_prog "" "-laio" ; then
4041     linux_aio=yes
4042   else
4043     if test "$linux_aio" = "yes" ; then
4044       feature_not_found "linux AIO" "Install libaio devel"
4045     fi
4046     linux_aio=no
4047   fi
4048 fi
4049 ##########################################
4050 # linux-io-uring probe
4051
4052 if test "$linux_io_uring" != "no" ; then
4053   if $pkg_config liburing; then
4054     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4055     linux_io_uring_libs=$($pkg_config --libs liburing)
4056     linux_io_uring=yes
4057   else
4058     if test "$linux_io_uring" = "yes" ; then
4059       feature_not_found "linux io_uring" "Install liburing devel"
4060     fi
4061     linux_io_uring=no
4062   fi
4063 fi
4064
4065 ##########################################
4066 # TPM emulation is only on POSIX
4067
4068 if test "$tpm" = ""; then
4069   if test "$mingw32" = "yes"; then
4070     tpm=no
4071   else
4072     tpm=yes
4073   fi
4074 elif test "$tpm" = "yes"; then
4075   if test "$mingw32" = "yes" ; then
4076     error_exit "TPM emulation only available on POSIX systems"
4077   fi
4078 fi
4079
4080 ##########################################
4081 # attr probe
4082
4083 libattr_libs=
4084 if test "$attr" != "no" ; then
4085   cat > $TMPC <<EOF
4086 #include <stdio.h>
4087 #include <sys/types.h>
4088 #ifdef CONFIG_LIBATTR
4089 #include <attr/xattr.h>
4090 #else
4091 #include <sys/xattr.h>
4092 #endif
4093 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4094 EOF
4095   if compile_prog "" "" ; then
4096     attr=yes
4097   # Older distros have <attr/xattr.h>, and need -lattr:
4098   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4099     attr=yes
4100     libattr_libs="-lattr"
4101     libattr=yes
4102   else
4103     if test "$attr" = "yes" ; then
4104       feature_not_found "ATTR" "Install libc6 or libattr devel"
4105     fi
4106     attr=no
4107   fi
4108 fi
4109
4110 ##########################################
4111 # iovec probe
4112 cat > $TMPC <<EOF
4113 #include <sys/types.h>
4114 #include <sys/uio.h>
4115 #include <unistd.h>
4116 int main(void) { return sizeof(struct iovec); }
4117 EOF
4118 iovec=no
4119 if compile_prog "" "" ; then
4120   iovec=yes
4121 fi
4122
4123 ##########################################
4124 # preadv probe
4125 cat > $TMPC <<EOF
4126 #include <sys/types.h>
4127 #include <sys/uio.h>
4128 #include <unistd.h>
4129 int main(void) { return preadv(0, 0, 0, 0); }
4130 EOF
4131 preadv=no
4132 if compile_prog "" "" ; then
4133   preadv=yes
4134 fi
4135
4136 ##########################################
4137 # fdt probe
4138 # fdt support is mandatory for at least some target architectures,
4139 # so insist on it if we're building those system emulators.
4140 fdt_required=no
4141 for target in $target_list; do
4142   case $target in
4143     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4144       fdt_required=yes
4145     ;;
4146   esac
4147 done
4148
4149 if test "$fdt_required" = "yes"; then
4150   if test "$fdt" = "no"; then
4151     error_exit "fdt disabled but some requested targets require it." \
4152       "You can turn off fdt only if you also disable all the system emulation" \
4153       "targets which need it (by specifying a cut down --target-list)."
4154   fi
4155   fdt=yes
4156 elif test "$fdt" != "yes" ; then
4157   fdt=no
4158 fi
4159
4160 # fdt is only required when building softmmu targets
4161 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4162     fdt="no"
4163 fi
4164
4165 if test "$fdt" != "no" ; then
4166   fdt_libs="-lfdt"
4167   # explicitly check for libfdt_env.h as it is missing in some stable installs
4168   # and test for required functions to make sure we are on a version >= 1.4.2
4169   cat > $TMPC << EOF
4170 #include <libfdt.h>
4171 #include <libfdt_env.h>
4172 int main(void) { fdt_check_full(NULL, 0); return 0; }
4173 EOF
4174   if compile_prog "" "$fdt_libs" ; then
4175     # system DTC is good - use it
4176     fdt=system
4177   else
4178       # have GIT checkout, so activate dtc submodule
4179       if test -e "${source_path}/.git" ; then
4180           git_submodules="${git_submodules} dtc"
4181       fi
4182       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4183           fdt=git
4184           mkdir -p dtc
4185           fdt_cflags="-I${source_path}/dtc/libfdt"
4186           fdt_ldflags="-Ldtc/libfdt"
4187           fdt_libs="$fdt_libs"
4188       elif test "$fdt" = "yes" ; then
4189           # Not a git build & no libfdt found, prompt for system install
4190           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4191                      "Please install the DTC (libfdt) devel package"
4192       else
4193           # don't have and don't want
4194           fdt_libs=
4195           fdt=no
4196       fi
4197   fi
4198 fi
4199
4200 ##########################################
4201 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4202
4203 gbm="no"
4204 if $pkg_config gbm; then
4205     gbm_cflags="$($pkg_config --cflags gbm)"
4206     gbm_libs="$($pkg_config --libs gbm)"
4207     gbm="yes"
4208 fi
4209
4210 if test "$opengl" != "no" ; then
4211   opengl_pkgs="epoxy gbm"
4212   if $pkg_config $opengl_pkgs; then
4213     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4214     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4215     opengl=yes
4216     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4217         gtk_gl="yes"
4218     fi
4219   else
4220     if test "$opengl" = "yes" ; then
4221       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4222     fi
4223     opengl_cflags=""
4224     opengl_libs=""
4225     opengl=no
4226   fi
4227 fi
4228
4229 if test "$opengl" = "yes"; then
4230   cat > $TMPC << EOF
4231 #include <epoxy/egl.h>
4232 #ifndef EGL_MESA_image_dma_buf_export
4233 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4234 #endif
4235 int main(void) { return 0; }
4236 EOF
4237   if compile_prog "" "" ; then
4238     opengl_dmabuf=yes
4239   fi
4240 fi
4241
4242 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4243   for target in $target_list; do
4244     case $target in
4245       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4246         need_x11=yes
4247       ;;
4248     esac
4249   done
4250 fi
4251
4252 ##########################################
4253 # libxml2 probe
4254 if test "$libxml2" != "no" ; then
4255     if $pkg_config --exists libxml-2.0; then
4256         libxml2="yes"
4257         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4258         libxml2_libs=$($pkg_config --libs libxml-2.0)
4259     else
4260         if test "$libxml2" = "yes"; then
4261             feature_not_found "libxml2" "Install libxml2 devel"
4262         fi
4263         libxml2="no"
4264     fi
4265 fi
4266
4267 ##########################################
4268 # glusterfs probe
4269 if test "$glusterfs" != "no" ; then
4270   if $pkg_config --atleast-version=3 glusterfs-api; then
4271     glusterfs="yes"
4272     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4273     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4274     if $pkg_config --atleast-version=4 glusterfs-api; then
4275       glusterfs_xlator_opt="yes"
4276     fi
4277     if $pkg_config --atleast-version=5 glusterfs-api; then
4278       glusterfs_discard="yes"
4279     fi
4280     if $pkg_config --atleast-version=6 glusterfs-api; then
4281       glusterfs_fallocate="yes"
4282       glusterfs_zerofill="yes"
4283     fi
4284     cat > $TMPC << EOF
4285 #include <glusterfs/api/glfs.h>
4286
4287 int
4288 main(void)
4289 {
4290         /* new glfs_ftruncate() passes two additional args */
4291         return glfs_ftruncate(NULL, 0, NULL, NULL);
4292 }
4293 EOF
4294     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4295       glusterfs_ftruncate_has_stat="yes"
4296     fi
4297     cat > $TMPC << EOF
4298 #include <glusterfs/api/glfs.h>
4299
4300 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4301 static void
4302 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4303 {}
4304
4305 int
4306 main(void)
4307 {
4308         glfs_io_cbk iocb = &glusterfs_iocb;
4309         iocb(NULL, 0 , NULL, NULL, NULL);
4310         return 0;
4311 }
4312 EOF
4313     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4314       glusterfs_iocb_has_stat="yes"
4315     fi
4316   else
4317     if test "$glusterfs" = "yes" ; then
4318       feature_not_found "GlusterFS backend support" \
4319           "Install glusterfs-api devel >= 3"
4320     fi
4321     glusterfs="no"
4322   fi
4323 fi
4324
4325 # Check for inotify functions when we are building linux-user
4326 # emulator.  This is done because older glibc versions don't
4327 # have syscall stubs for these implemented.  In that case we
4328 # don't provide them even if kernel supports them.
4329 #
4330 inotify=no
4331 cat > $TMPC << EOF
4332 #include <sys/inotify.h>
4333
4334 int
4335 main(void)
4336 {
4337         /* try to start inotify */
4338         return inotify_init();
4339 }
4340 EOF
4341 if compile_prog "" "" ; then
4342   inotify=yes
4343 fi
4344
4345 inotify1=no
4346 cat > $TMPC << EOF
4347 #include <sys/inotify.h>
4348
4349 int
4350 main(void)
4351 {
4352     /* try to start inotify */
4353     return inotify_init1(0);
4354 }
4355 EOF
4356 if compile_prog "" "" ; then
4357   inotify1=yes
4358 fi
4359
4360 # check if pipe2 is there
4361 pipe2=no
4362 cat > $TMPC << EOF
4363 #include <unistd.h>
4364 #include <fcntl.h>
4365
4366 int main(void)
4367 {
4368     int pipefd[2];
4369     return pipe2(pipefd, O_CLOEXEC);
4370 }
4371 EOF
4372 if compile_prog "" "" ; then
4373   pipe2=yes
4374 fi
4375
4376 # check if accept4 is there
4377 accept4=no
4378 cat > $TMPC << EOF
4379 #include <sys/socket.h>
4380 #include <stddef.h>
4381
4382 int main(void)
4383 {
4384     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4385     return 0;
4386 }
4387 EOF
4388 if compile_prog "" "" ; then
4389   accept4=yes
4390 fi
4391
4392 # check if tee/splice is there. vmsplice was added same time.
4393 splice=no
4394 cat > $TMPC << EOF
4395 #include <unistd.h>
4396 #include <fcntl.h>
4397 #include <limits.h>
4398
4399 int main(void)
4400 {
4401     int len, fd = 0;
4402     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4403     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4404     return 0;
4405 }
4406 EOF
4407 if compile_prog "" "" ; then
4408   splice=yes
4409 fi
4410
4411 ##########################################
4412 # libnuma probe
4413
4414 if test "$numa" != "no" ; then
4415   cat > $TMPC << EOF
4416 #include <numa.h>
4417 int main(void) { return numa_available(); }
4418 EOF
4419
4420   if compile_prog "" "-lnuma" ; then
4421     numa=yes
4422     numa_libs="-lnuma"
4423   else
4424     if test "$numa" = "yes" ; then
4425       feature_not_found "numa" "install numactl devel"
4426     fi
4427     numa=no
4428   fi
4429 fi
4430
4431 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4432     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4433     exit 1
4434 fi
4435
4436 # Even if malloc_trim() is available, these non-libc memory allocators
4437 # do not support it.
4438 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4439     if test "$malloc_trim" = "yes" ; then
4440         echo "Disabling malloc_trim with non-libc memory allocator"
4441     fi
4442     malloc_trim="no"
4443 fi
4444
4445 #######################################
4446 # malloc_trim
4447
4448 if test "$malloc_trim" != "no" ; then
4449     cat > $TMPC << EOF
4450 #include <malloc.h>
4451 int main(void) { malloc_trim(0); return 0; }
4452 EOF
4453     if compile_prog "" "" ; then
4454         malloc_trim="yes"
4455     else
4456         malloc_trim="no"
4457     fi
4458 fi
4459
4460 ##########################################
4461 # tcmalloc probe
4462
4463 if test "$tcmalloc" = "yes" ; then
4464   cat > $TMPC << EOF
4465 #include <stdlib.h>
4466 int main(void) {
4467     void *tmp = malloc(1);
4468     if (tmp != NULL) {
4469         return 0;
4470     }
4471     return 1;
4472 }
4473 EOF
4474
4475   if compile_prog "" "-ltcmalloc" ; then
4476     LIBS="-ltcmalloc $LIBS"
4477   else
4478     feature_not_found "tcmalloc" "install gperftools devel"
4479   fi
4480 fi
4481
4482 ##########################################
4483 # jemalloc probe
4484
4485 if test "$jemalloc" = "yes" ; then
4486   cat > $TMPC << EOF
4487 #include <stdlib.h>
4488 int main(void) {
4489     void *tmp = malloc(1);
4490     if (tmp != NULL) {
4491         return 0;
4492     }
4493     return 1;
4494 }
4495 EOF
4496
4497   if compile_prog "" "-ljemalloc" ; then
4498     LIBS="-ljemalloc $LIBS"
4499   else
4500     feature_not_found "jemalloc" "install jemalloc devel"
4501   fi
4502 fi
4503
4504 ##########################################
4505 # signalfd probe
4506 signalfd="no"
4507 cat > $TMPC << EOF
4508 #include <unistd.h>
4509 #include <sys/syscall.h>
4510 #include <signal.h>
4511 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4512 EOF
4513
4514 if compile_prog "" "" ; then
4515   signalfd=yes
4516 fi
4517
4518 # check if optreset global is declared by <getopt.h>
4519 optreset="no"
4520 cat > $TMPC << EOF
4521 #include <getopt.h>
4522 int main(void) { return optreset; }
4523 EOF
4524
4525 if compile_prog "" "" ; then
4526   optreset=yes
4527 fi
4528
4529 # check if eventfd is supported
4530 eventfd=no
4531 cat > $TMPC << EOF
4532 #include <sys/eventfd.h>
4533
4534 int main(void)
4535 {
4536     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4537 }
4538 EOF
4539 if compile_prog "" "" ; then
4540   eventfd=yes
4541 fi
4542
4543 # check if memfd is supported
4544 memfd=no
4545 cat > $TMPC << EOF
4546 #include <sys/mman.h>
4547
4548 int main(void)
4549 {
4550     return memfd_create("foo", MFD_ALLOW_SEALING);
4551 }
4552 EOF
4553 if compile_prog "" "" ; then
4554   memfd=yes
4555 fi
4556
4557 # check for usbfs
4558 have_usbfs=no
4559 if test "$linux_user" = "yes"; then
4560   cat > $TMPC << EOF
4561 #include <linux/usbdevice_fs.h>
4562
4563 #ifndef USBDEVFS_GET_CAPABILITIES
4564 #error "USBDEVFS_GET_CAPABILITIES undefined"
4565 #endif
4566
4567 #ifndef USBDEVFS_DISCONNECT_CLAIM
4568 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4569 #endif
4570
4571 int main(void)
4572 {
4573     return 0;
4574 }
4575 EOF
4576   if compile_prog "" ""; then
4577     have_usbfs=yes
4578   fi
4579 fi
4580
4581 # check for fallocate
4582 fallocate=no
4583 cat > $TMPC << EOF
4584 #include <fcntl.h>
4585
4586 int main(void)
4587 {
4588     fallocate(0, 0, 0, 0);
4589     return 0;
4590 }
4591 EOF
4592 if compile_prog "" "" ; then
4593   fallocate=yes
4594 fi
4595
4596 # check for fallocate hole punching
4597 fallocate_punch_hole=no
4598 cat > $TMPC << EOF
4599 #include <fcntl.h>
4600 #include <linux/falloc.h>
4601
4602 int main(void)
4603 {
4604     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4605     return 0;
4606 }
4607 EOF
4608 if compile_prog "" "" ; then
4609   fallocate_punch_hole=yes
4610 fi
4611
4612 # check that fallocate supports range zeroing inside the file
4613 fallocate_zero_range=no
4614 cat > $TMPC << EOF
4615 #include <fcntl.h>
4616 #include <linux/falloc.h>
4617
4618 int main(void)
4619 {
4620     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4621     return 0;
4622 }
4623 EOF
4624 if compile_prog "" "" ; then
4625   fallocate_zero_range=yes
4626 fi
4627
4628 # check for posix_fallocate
4629 posix_fallocate=no
4630 cat > $TMPC << EOF
4631 #include <fcntl.h>
4632
4633 int main(void)
4634 {
4635     posix_fallocate(0, 0, 0);
4636     return 0;
4637 }
4638 EOF
4639 if compile_prog "" "" ; then
4640     posix_fallocate=yes
4641 fi
4642
4643 # check for sync_file_range
4644 sync_file_range=no
4645 cat > $TMPC << EOF
4646 #include <fcntl.h>
4647
4648 int main(void)
4649 {
4650     sync_file_range(0, 0, 0, 0);
4651     return 0;
4652 }
4653 EOF
4654 if compile_prog "" "" ; then
4655   sync_file_range=yes
4656 fi
4657
4658 # check for linux/fiemap.h and FS_IOC_FIEMAP
4659 fiemap=no
4660 cat > $TMPC << EOF
4661 #include <sys/ioctl.h>
4662 #include <linux/fs.h>
4663 #include <linux/fiemap.h>
4664
4665 int main(void)
4666 {
4667     ioctl(0, FS_IOC_FIEMAP, 0);
4668     return 0;
4669 }
4670 EOF
4671 if compile_prog "" "" ; then
4672   fiemap=yes
4673 fi
4674
4675 # check for dup3
4676 dup3=no
4677 cat > $TMPC << EOF
4678 #include <unistd.h>
4679
4680 int main(void)
4681 {
4682     dup3(0, 0, 0);
4683     return 0;
4684 }
4685 EOF
4686 if compile_prog "" "" ; then
4687   dup3=yes
4688 fi
4689
4690 # check for ppoll support
4691 ppoll=no
4692 cat > $TMPC << EOF
4693 #include <poll.h>
4694
4695 int main(void)
4696 {
4697     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4698     ppoll(&pfd, 1, 0, 0);
4699     return 0;
4700 }
4701 EOF
4702 if compile_prog "" "" ; then
4703   ppoll=yes
4704 fi
4705
4706 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4707 prctl_pr_set_timerslack=no
4708 cat > $TMPC << EOF
4709 #include <sys/prctl.h>
4710
4711 int main(void)
4712 {
4713     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4714     return 0;
4715 }
4716 EOF
4717 if compile_prog "" "" ; then
4718   prctl_pr_set_timerslack=yes
4719 fi
4720
4721 # check for epoll support
4722 epoll=no
4723 cat > $TMPC << EOF
4724 #include <sys/epoll.h>
4725
4726 int main(void)
4727 {
4728     epoll_create(0);
4729     return 0;
4730 }
4731 EOF
4732 if compile_prog "" "" ; then
4733   epoll=yes
4734 fi
4735
4736 # epoll_create1 is a later addition
4737 # so we must check separately for its presence
4738 epoll_create1=no
4739 cat > $TMPC << EOF
4740 #include <sys/epoll.h>
4741
4742 int main(void)
4743 {
4744     /* Note that we use epoll_create1 as a value, not as
4745      * a function being called. This is necessary so that on
4746      * old SPARC glibc versions where the function was present in
4747      * the library but not declared in the header file we will
4748      * fail the configure check. (Otherwise we will get a compiler
4749      * warning but not an error, and will proceed to fail the
4750      * qemu compile where we compile with -Werror.)
4751      */
4752     return (int)(uintptr_t)&epoll_create1;
4753 }
4754 EOF
4755 if compile_prog "" "" ; then
4756   epoll_create1=yes
4757 fi
4758
4759 # check for sendfile support
4760 sendfile=no
4761 cat > $TMPC << EOF
4762 #include <sys/sendfile.h>
4763
4764 int main(void)
4765 {
4766     return sendfile(0, 0, 0, 0);
4767 }
4768 EOF
4769 if compile_prog "" "" ; then
4770   sendfile=yes
4771 fi
4772
4773 # check for timerfd support (glibc 2.8 and newer)
4774 timerfd=no
4775 cat > $TMPC << EOF
4776 #include <sys/timerfd.h>
4777
4778 int main(void)
4779 {
4780     return(timerfd_create(CLOCK_REALTIME, 0));
4781 }
4782 EOF
4783 if compile_prog "" "" ; then
4784   timerfd=yes
4785 fi
4786
4787 # check for setns and unshare support
4788 setns=no
4789 cat > $TMPC << EOF
4790 #include <sched.h>
4791
4792 int main(void)
4793 {
4794     int ret;
4795     ret = setns(0, 0);
4796     ret = unshare(0);
4797     return ret;
4798 }
4799 EOF
4800 if compile_prog "" "" ; then
4801   setns=yes
4802 fi
4803
4804 # clock_adjtime probe
4805 clock_adjtime=no
4806 cat > $TMPC <<EOF
4807 #include <time.h>
4808
4809 int main(void)
4810 {
4811     return clock_adjtime(0, 0);
4812 }
4813 EOF
4814 clock_adjtime=no
4815 if compile_prog "" "" ; then
4816   clock_adjtime=yes
4817 fi
4818
4819 # syncfs probe
4820 syncfs=no
4821 cat > $TMPC <<EOF
4822 #include <unistd.h>
4823
4824 int main(void)
4825 {
4826     return syncfs(0);
4827 }
4828 EOF
4829 syncfs=no
4830 if compile_prog "" "" ; then
4831   syncfs=yes
4832 fi
4833
4834 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4835 kcov=no
4836 if check_include sys/kcov.h ; then
4837     kcov=yes
4838 fi
4839
4840 # check for btrfs filesystem support (kernel must be 3.9+)
4841 btrfs=no
4842 if check_include linux/btrfs.h ; then
4843     btrfs=yes
4844 fi
4845
4846 # If we're making warnings fatal, apply this to Sphinx runs as well
4847 sphinx_werror=""
4848 if test "$werror" = "yes"; then
4849     sphinx_werror="-W"
4850 fi
4851
4852 # Check we have a new enough version of sphinx-build
4853 has_sphinx_build() {
4854     # This is a bit awkward but works: create a trivial document and
4855     # try to run it with our configuration file (which enforces a
4856     # version requirement). This will fail if either
4857     # sphinx-build doesn't exist at all or if it is too old.
4858     mkdir -p "$TMPDIR1/sphinx"
4859     touch "$TMPDIR1/sphinx/index.rst"
4860     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4861                     -b html "$TMPDIR1/sphinx" \
4862                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4863 }
4864
4865 # Check if tools are available to build documentation.
4866 if test "$docs" != "no" ; then
4867   if has_sphinx_build; then
4868     sphinx_ok=yes
4869   else
4870     sphinx_ok=no
4871   fi
4872   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4873     docs=yes
4874   else
4875     if test "$docs" = "yes" ; then
4876       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4877         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4878       fi
4879       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4880     fi
4881     docs=no
4882   fi
4883 fi
4884
4885 # Search for bswap_32 function
4886 byteswap_h=no
4887 cat > $TMPC << EOF
4888 #include <byteswap.h>
4889 int main(void) { return bswap_32(0); }
4890 EOF
4891 if compile_prog "" "" ; then
4892   byteswap_h=yes
4893 fi
4894
4895 # Search for bswap32 function
4896 bswap_h=no
4897 cat > $TMPC << EOF
4898 #include <sys/endian.h>
4899 #include <sys/types.h>
4900 #include <machine/bswap.h>
4901 int main(void) { return bswap32(0); }
4902 EOF
4903 if compile_prog "" "" ; then
4904   bswap_h=yes
4905 fi
4906
4907 ##########################################
4908 # Do we have libiscsi >= 1.9.0
4909 if test "$libiscsi" != "no" ; then
4910   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4911     libiscsi="yes"
4912     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4913     libiscsi_libs=$($pkg_config --libs libiscsi)
4914   else
4915     if test "$libiscsi" = "yes" ; then
4916       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4917     fi
4918     libiscsi="no"
4919   fi
4920 fi
4921
4922 ##########################################
4923 # Do we need librt
4924 # uClibc provides 2 versions of clock_gettime(), one with realtime
4925 # support and one without. This means that the clock_gettime() don't
4926 # need -lrt. We still need it for timer_create() so we check for this
4927 # function in addition.
4928 cat > $TMPC <<EOF
4929 #include <signal.h>
4930 #include <time.h>
4931 int main(void) {
4932   timer_create(CLOCK_REALTIME, NULL, NULL);
4933   return clock_gettime(CLOCK_REALTIME, NULL);
4934 }
4935 EOF
4936
4937 if compile_prog "" "" ; then
4938   :
4939 # we need pthread for static linking. use previous pthread test result
4940 elif compile_prog "" "$pthread_lib -lrt" ; then
4941   LIBS="$LIBS -lrt"
4942 fi
4943
4944 # Check whether we have openpty() in either libc or libutil
4945 cat > $TMPC << EOF
4946 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4947 int main(void) { return openpty(0, 0, 0, 0, 0); }
4948 EOF
4949
4950 have_openpty="no"
4951 if compile_prog "" "" ; then
4952   have_openpty="yes"
4953 else
4954   if compile_prog "" "-lutil" ; then
4955     have_openpty="yes"
4956   fi
4957 fi
4958
4959 ##########################################
4960 # spice probe
4961 if test "$spice" != "no" ; then
4962   cat > $TMPC << EOF
4963 #include <spice.h>
4964 int main(void) { spice_server_new(); return 0; }
4965 EOF
4966   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4967   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4968   if $pkg_config --atleast-version=0.12.5 spice-server && \
4969      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4970      compile_prog "$spice_cflags" "$spice_libs" ; then
4971     spice="yes"
4972   else
4973     if test "$spice" = "yes" ; then
4974       feature_not_found "spice" \
4975           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4976     fi
4977     spice="no"
4978   fi
4979 fi
4980
4981 # check for smartcard support
4982 if test "$smartcard" != "no"; then
4983     if $pkg_config --atleast-version=2.5.1 libcacard; then
4984         libcacard_cflags=$($pkg_config --cflags libcacard)
4985         libcacard_libs=$($pkg_config --libs libcacard)
4986         smartcard="yes"
4987     else
4988         if test "$smartcard" = "yes"; then
4989             feature_not_found "smartcard" "Install libcacard devel"
4990         fi
4991         smartcard="no"
4992     fi
4993 fi
4994
4995 # check for libusb
4996 if test "$libusb" != "no" ; then
4997     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4998         libusb="yes"
4999         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5000         libusb_libs=$($pkg_config --libs libusb-1.0)
5001     else
5002         if test "$libusb" = "yes"; then
5003             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5004         fi
5005         libusb="no"
5006     fi
5007 fi
5008
5009 # check for usbredirparser for usb network redirection support
5010 if test "$usb_redir" != "no" ; then
5011     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5012         usb_redir="yes"
5013         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5014         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5015     else
5016         if test "$usb_redir" = "yes"; then
5017             feature_not_found "usb-redir" "Install usbredir devel"
5018         fi
5019         usb_redir="no"
5020     fi
5021 fi
5022
5023 ##########################################
5024 # check if we have VSS SDK headers for win
5025
5026 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5027         test "$vss_win32_sdk" != "no" ; then
5028   case "$vss_win32_sdk" in
5029     "")   vss_win32_include="-isystem $source_path" ;;
5030     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5031           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5032           vss_win32_include="-isystem $source_path/.sdk/vss"
5033           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5034           ;;
5035     *)    vss_win32_include="-isystem $vss_win32_sdk"
5036   esac
5037   cat > $TMPC << EOF
5038 #define __MIDL_user_allocate_free_DEFINED__
5039 #include <inc/win2003/vss.h>
5040 int main(void) { return VSS_CTX_BACKUP; }
5041 EOF
5042   if compile_prog "$vss_win32_include" "" ; then
5043     guest_agent_with_vss="yes"
5044     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5045     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5046     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5047   else
5048     if test "$vss_win32_sdk" != "" ; then
5049       echo "ERROR: Please download and install Microsoft VSS SDK:"
5050       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5051       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5052       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5053       echo "ERROR: The headers are extracted in the directory \`inc'."
5054       feature_not_found "VSS support"
5055     fi
5056     guest_agent_with_vss="no"
5057   fi
5058 fi
5059
5060 ##########################################
5061 # lookup Windows platform SDK (if not specified)
5062 # The SDK is needed only to build .tlb (type library) file of guest agent
5063 # VSS provider from the source. It is usually unnecessary because the
5064 # pre-compiled .tlb file is included.
5065
5066 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5067         test "$guest_agent_with_vss" = "yes" ; then
5068   if test -z "$win_sdk"; then
5069     programfiles="$PROGRAMFILES"
5070     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5071     if test -n "$programfiles"; then
5072       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5073     else
5074       feature_not_found "Windows SDK"
5075     fi
5076   elif test "$win_sdk" = "no"; then
5077     win_sdk=""
5078   fi
5079 fi
5080
5081 ##########################################
5082 # check if mingw environment provides a recent ntddscsi.h
5083 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5084   cat > $TMPC << EOF
5085 #include <windows.h>
5086 #include <ntddscsi.h>
5087 int main(void) {
5088 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5089 #error Missing required ioctl definitions
5090 #endif
5091   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5092   return addr.Lun;
5093 }
5094 EOF
5095   if compile_prog "" "" ; then
5096     guest_agent_ntddscsi=yes
5097     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5098   fi
5099 fi
5100
5101 ##########################################
5102 # virgl renderer probe
5103
5104 if test "$virglrenderer" != "no" ; then
5105   cat > $TMPC << EOF
5106 #include <virglrenderer.h>
5107 int main(void) { virgl_renderer_poll(); return 0; }
5108 EOF
5109   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5110   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5111   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5112   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5113      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5114     virglrenderer="yes"
5115   else
5116     if test "$virglrenderer" = "yes" ; then
5117       feature_not_found "virglrenderer"
5118     fi
5119     virglrenderer="no"
5120   fi
5121 fi
5122
5123 ##########################################
5124 # capstone
5125
5126 case "$capstone" in
5127   "" | yes)
5128     if $pkg_config capstone; then
5129       capstone=system
5130     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5131       capstone=git
5132     elif test -e "${source_path}/capstone/Makefile" ; then
5133       capstone=internal
5134     elif test -z "$capstone" ; then
5135       capstone=no
5136     else
5137       feature_not_found "capstone" "Install capstone devel or git submodule"
5138     fi
5139     ;;
5140
5141   system)
5142     if ! $pkg_config capstone; then
5143       feature_not_found "capstone" "Install capstone devel"
5144     fi
5145     ;;
5146 esac
5147
5148 case "$capstone" in
5149   git | internal)
5150     if test "$capstone" = git; then
5151       git_submodules="${git_submodules} capstone"
5152     fi
5153     mkdir -p capstone
5154     if test "$mingw32" = "yes"; then
5155       LIBCAPSTONE=capstone.lib
5156     else
5157       LIBCAPSTONE=libcapstone.a
5158     fi
5159     capstone_libs="-Lcapstone -lcapstone"
5160     capstone_cflags="-I${source_path}/capstone/include"
5161     ;;
5162
5163   system)
5164     capstone_libs="$($pkg_config --libs capstone)"
5165     capstone_cflags="$($pkg_config --cflags capstone)"
5166     ;;
5167
5168   no)
5169     ;;
5170   *)
5171     error_exit "Unknown state for capstone: $capstone"
5172     ;;
5173 esac
5174
5175 ##########################################
5176 # check if we have fdatasync
5177
5178 fdatasync=no
5179 cat > $TMPC << EOF
5180 #include <unistd.h>
5181 int main(void) {
5182 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5183 return fdatasync(0);
5184 #else
5185 #error Not supported
5186 #endif
5187 }
5188 EOF
5189 if compile_prog "" "" ; then
5190     fdatasync=yes
5191 fi
5192
5193 ##########################################
5194 # check if we have madvise
5195
5196 madvise=no
5197 cat > $TMPC << EOF
5198 #include <sys/types.h>
5199 #include <sys/mman.h>
5200 #include <stddef.h>
5201 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5202 EOF
5203 if compile_prog "" "" ; then
5204     madvise=yes
5205 fi
5206
5207 ##########################################
5208 # check if we have posix_madvise
5209
5210 posix_madvise=no
5211 cat > $TMPC << EOF
5212 #include <sys/mman.h>
5213 #include <stddef.h>
5214 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5215 EOF
5216 if compile_prog "" "" ; then
5217     posix_madvise=yes
5218 fi
5219
5220 ##########################################
5221 # check if we have posix_memalign()
5222
5223 posix_memalign=no
5224 cat > $TMPC << EOF
5225 #include <stdlib.h>
5226 int main(void) {
5227     void *p;
5228     return posix_memalign(&p, 8, 8);
5229 }
5230 EOF
5231 if compile_prog "" "" ; then
5232     posix_memalign=yes
5233 fi
5234
5235 ##########################################
5236 # check if we have posix_syslog
5237
5238 posix_syslog=no
5239 cat > $TMPC << EOF
5240 #include <syslog.h>
5241 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5242 EOF
5243 if compile_prog "" "" ; then
5244     posix_syslog=yes
5245 fi
5246
5247 ##########################################
5248 # check if we have sem_timedwait
5249
5250 sem_timedwait=no
5251 cat > $TMPC << EOF
5252 #include <semaphore.h>
5253 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5254 EOF
5255 if compile_prog "" "" ; then
5256     sem_timedwait=yes
5257 fi
5258
5259 ##########################################
5260 # check if we have strchrnul
5261
5262 strchrnul=no
5263 cat > $TMPC << EOF
5264 #include <string.h>
5265 int main(void);
5266 // Use a haystack that the compiler shouldn't be able to constant fold
5267 char *haystack = (char*)&main;
5268 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5269 EOF
5270 if compile_prog "" "" ; then
5271     strchrnul=yes
5272 fi
5273
5274 #########################################
5275 # check if we have st_atim
5276
5277 st_atim=no
5278 cat > $TMPC << EOF
5279 #include <sys/stat.h>
5280 #include <stddef.h>
5281 int main(void) { return offsetof(struct stat, st_atim); }
5282 EOF
5283 if compile_prog "" "" ; then
5284     st_atim=yes
5285 fi
5286
5287 ##########################################
5288 # check if trace backend exists
5289
5290 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5291 if test "$?" -ne 0 ; then
5292   error_exit "invalid trace backends" \
5293       "Please choose supported trace backends."
5294 fi
5295
5296 ##########################################
5297 # For 'ust' backend, test if ust headers are present
5298 if have_backend "ust"; then
5299   cat > $TMPC << EOF
5300 #include <lttng/tracepoint.h>
5301 int main(void) { return 0; }
5302 EOF
5303   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5304     if $pkg_config lttng-ust --exists; then
5305       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5306     else
5307       lttng_ust_libs="-llttng-ust -ldl"
5308     fi
5309     if $pkg_config liburcu-bp --exists; then
5310       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5311     else
5312       urcu_bp_libs="-lurcu-bp"
5313     fi
5314   else
5315     error_exit "Trace backend 'ust' missing lttng-ust header files"
5316   fi
5317 fi
5318
5319 ##########################################
5320 # For 'dtrace' backend, test if 'dtrace' command is present
5321 if have_backend "dtrace"; then
5322   if ! has 'dtrace' ; then
5323     error_exit "dtrace command is not found in PATH $PATH"
5324   fi
5325   trace_backend_stap="no"
5326   if has 'stap' ; then
5327     trace_backend_stap="yes"
5328   fi
5329 fi
5330
5331 ##########################################
5332 # check and set a backend for coroutine
5333
5334 # We prefer ucontext, but it's not always possible. The fallback
5335 # is sigcontext. On Windows the only valid backend is the Windows
5336 # specific one.
5337
5338 ucontext_works=no
5339 if test "$darwin" != "yes"; then
5340   cat > $TMPC << EOF
5341 #include <ucontext.h>
5342 #ifdef __stub_makecontext
5343 #error Ignoring glibc stub makecontext which will always fail
5344 #endif
5345 int main(void) { makecontext(0, 0, 0); return 0; }
5346 EOF
5347   if compile_prog "" "" ; then
5348     ucontext_works=yes
5349   fi
5350 fi
5351
5352 if test "$coroutine" = ""; then
5353   if test "$mingw32" = "yes"; then
5354     coroutine=win32
5355   elif test "$ucontext_works" = "yes"; then
5356     coroutine=ucontext
5357   else
5358     coroutine=sigaltstack
5359   fi
5360 else
5361   case $coroutine in
5362   windows)
5363     if test "$mingw32" != "yes"; then
5364       error_exit "'windows' coroutine backend only valid for Windows"
5365     fi
5366     # Unfortunately the user visible backend name doesn't match the
5367     # coroutine-*.c filename for this case, so we have to adjust it here.
5368     coroutine=win32
5369     ;;
5370   ucontext)
5371     if test "$ucontext_works" != "yes"; then
5372       feature_not_found "ucontext"
5373     fi
5374     ;;
5375   sigaltstack)
5376     if test "$mingw32" = "yes"; then
5377       error_exit "only the 'windows' coroutine backend is valid for Windows"
5378     fi
5379     ;;
5380   *)
5381     error_exit "unknown coroutine backend $coroutine"
5382     ;;
5383   esac
5384 fi
5385
5386 if test "$coroutine_pool" = ""; then
5387   coroutine_pool=yes
5388 fi
5389
5390 if test "$debug_stack_usage" = "yes"; then
5391   if test "$coroutine_pool" = "yes"; then
5392     echo "WARN: disabling coroutine pool for stack usage debugging"
5393     coroutine_pool=no
5394   fi
5395 fi
5396
5397 ##################################################
5398 # SafeStack
5399
5400
5401 if test "$safe_stack" = "yes"; then
5402 cat > $TMPC << EOF
5403 int main(int argc, char *argv[])
5404 {
5405 #if ! __has_feature(safe_stack)
5406 #error SafeStack Disabled
5407 #endif
5408     return 0;
5409 }
5410 EOF
5411   flag="-fsanitize=safe-stack"
5412   # Check that safe-stack is supported and enabled.
5413   if compile_prog "-Werror $flag" "$flag"; then
5414     # Flag needed both at compilation and at linking
5415     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5416     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5417   else
5418     error_exit "SafeStack not supported by your compiler"
5419   fi
5420   if test "$coroutine" != "ucontext"; then
5421     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5422   fi
5423 else
5424 cat > $TMPC << EOF
5425 int main(int argc, char *argv[])
5426 {
5427 #if defined(__has_feature)
5428 #if __has_feature(safe_stack)
5429 #error SafeStack Enabled
5430 #endif
5431 #endif
5432     return 0;
5433 }
5434 EOF
5435 if test "$safe_stack" = "no"; then
5436   # Make sure that safe-stack is disabled
5437   if ! compile_prog "-Werror" ""; then
5438     # SafeStack was already enabled, try to explicitly remove the feature
5439     flag="-fno-sanitize=safe-stack"
5440     if ! compile_prog "-Werror $flag" "$flag"; then
5441       error_exit "Configure cannot disable SafeStack"
5442     fi
5443     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5444     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5445   fi
5446 else # "$safe_stack" = ""
5447   # Set safe_stack to yes or no based on pre-existing flags
5448   if compile_prog "-Werror" ""; then
5449     safe_stack="no"
5450   else
5451     safe_stack="yes"
5452     if test "$coroutine" != "ucontext"; then
5453       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5454     fi
5455   fi
5456 fi
5457 fi
5458
5459 ##########################################
5460 # check if we have open_by_handle_at
5461
5462 open_by_handle_at=no
5463 cat > $TMPC << EOF
5464 #include <fcntl.h>
5465 #if !defined(AT_EMPTY_PATH)
5466 # error missing definition
5467 #else
5468 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5469 #endif
5470 EOF
5471 if compile_prog "" "" ; then
5472     open_by_handle_at=yes
5473 fi
5474
5475 ########################################
5476 # check if we have linux/magic.h
5477
5478 linux_magic_h=no
5479 cat > $TMPC << EOF
5480 #include <linux/magic.h>
5481 int main(void) {
5482   return 0;
5483 }
5484 EOF
5485 if compile_prog "" "" ; then
5486     linux_magic_h=yes
5487 fi
5488
5489 ########################################
5490 # check if we have valgrind/valgrind.h
5491
5492 valgrind_h=no
5493 cat > $TMPC << EOF
5494 #include <valgrind/valgrind.h>
5495 int main(void) {
5496   return 0;
5497 }
5498 EOF
5499 if compile_prog "" "" ; then
5500     valgrind_h=yes
5501 fi
5502
5503 ########################################
5504 # check if environ is declared
5505
5506 has_environ=no
5507 cat > $TMPC << EOF
5508 #include <unistd.h>
5509 int main(void) {
5510     environ = 0;
5511     return 0;
5512 }
5513 EOF
5514 if compile_prog "" "" ; then
5515     has_environ=yes
5516 fi
5517
5518 ########################################
5519 # check if cpuid.h is usable.
5520
5521 cat > $TMPC << EOF
5522 #include <cpuid.h>
5523 int main(void) {
5524     unsigned a, b, c, d;
5525     int max = __get_cpuid_max(0, 0);
5526
5527     if (max >= 1) {
5528         __cpuid(1, a, b, c, d);
5529     }
5530
5531     if (max >= 7) {
5532         __cpuid_count(7, 0, a, b, c, d);
5533     }
5534
5535     return 0;
5536 }
5537 EOF
5538 if compile_prog "" "" ; then
5539     cpuid_h=yes
5540 fi
5541
5542 ##########################################
5543 # avx2 optimization requirement check
5544 #
5545 # There is no point enabling this if cpuid.h is not usable,
5546 # since we won't be able to select the new routines.
5547
5548 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5549   cat > $TMPC << EOF
5550 #pragma GCC push_options
5551 #pragma GCC target("avx2")
5552 #include <cpuid.h>
5553 #include <immintrin.h>
5554 static int bar(void *a) {
5555     __m256i x = *(__m256i *)a;
5556     return _mm256_testz_si256(x, x);
5557 }
5558 int main(int argc, char *argv[]) { return bar(argv[0]); }
5559 EOF
5560   if compile_object "" ; then
5561     avx2_opt="yes"
5562   else
5563     avx2_opt="no"
5564   fi
5565 fi
5566
5567 ##########################################
5568 # avx512f optimization requirement check
5569 #
5570 # There is no point enabling this if cpuid.h is not usable,
5571 # since we won't be able to select the new routines.
5572 # by default, it is turned off.
5573 # if user explicitly want to enable it, check environment
5574
5575 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5576   cat > $TMPC << EOF
5577 #pragma GCC push_options
5578 #pragma GCC target("avx512f")
5579 #include <cpuid.h>
5580 #include <immintrin.h>
5581 static int bar(void *a) {
5582     __m512i x = *(__m512i *)a;
5583     return _mm512_test_epi64_mask(x, x);
5584 }
5585 int main(int argc, char *argv[])
5586 {
5587         return bar(argv[0]);
5588 }
5589 EOF
5590   if ! compile_object "" ; then
5591     avx512f_opt="no"
5592   fi
5593 else
5594   avx512f_opt="no"
5595 fi
5596
5597 ########################################
5598 # check if __[u]int128_t is usable.
5599
5600 int128=no
5601 cat > $TMPC << EOF
5602 __int128_t a;
5603 __uint128_t b;
5604 int main (void) {
5605   a = a + b;
5606   b = a * b;
5607   a = a * a;
5608   return 0;
5609 }
5610 EOF
5611 if compile_prog "" "" ; then
5612     int128=yes
5613 fi
5614
5615 #########################################
5616 # See if 128-bit atomic operations are supported.
5617
5618 atomic128=no
5619 if test "$int128" = "yes"; then
5620   cat > $TMPC << EOF
5621 int main(void)
5622 {
5623   unsigned __int128 x = 0, y = 0;
5624   y = __atomic_load_16(&x, 0);
5625   __atomic_store_16(&x, y, 0);
5626   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5627   return 0;
5628 }
5629 EOF
5630   if compile_prog "" "" ; then
5631     atomic128=yes
5632   fi
5633 fi
5634
5635 cmpxchg128=no
5636 if test "$int128" = yes && test "$atomic128" = no; then
5637   cat > $TMPC << EOF
5638 int main(void)
5639 {
5640   unsigned __int128 x = 0, y = 0;
5641   __sync_val_compare_and_swap_16(&x, y, x);
5642   return 0;
5643 }
5644 EOF
5645   if compile_prog "" "" ; then
5646     cmpxchg128=yes
5647   fi
5648 fi
5649
5650 #########################################
5651 # See if 64-bit atomic operations are supported.
5652 # Note that without __atomic builtins, we can only
5653 # assume atomic loads/stores max at pointer size.
5654
5655 cat > $TMPC << EOF
5656 #include <stdint.h>
5657 int main(void)
5658 {
5659   uint64_t x = 0, y = 0;
5660 #ifdef __ATOMIC_RELAXED
5661   y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5662   __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5663   __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5664   __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5665   __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5666 #else
5667   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5668   __sync_lock_test_and_set(&x, y);
5669   __sync_val_compare_and_swap(&x, y, 0);
5670   __sync_fetch_and_add(&x, y);
5671 #endif
5672   return 0;
5673 }
5674 EOF
5675 if compile_prog "" "" ; then
5676   atomic64=yes
5677 fi
5678
5679 #########################################
5680 # See if --dynamic-list is supported by the linker
5681 ld_dynamic_list="no"
5682 if test "$static" = "no" ; then
5683     cat > $TMPTXT <<EOF
5684 {
5685   foo;
5686 };
5687 EOF
5688
5689     cat > $TMPC <<EOF
5690 #include <stdio.h>
5691 void foo(void);
5692
5693 void foo(void)
5694 {
5695   printf("foo\n");
5696 }
5697
5698 int main(void)
5699 {
5700   foo();
5701   return 0;
5702 }
5703 EOF
5704
5705     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5706         ld_dynamic_list="yes"
5707     fi
5708 fi
5709
5710 #########################################
5711 # See if -exported_symbols_list is supported by the linker
5712
5713 ld_exported_symbols_list="no"
5714 if test "$static" = "no" ; then
5715     cat > $TMPTXT <<EOF
5716   _foo
5717 EOF
5718
5719     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5720         ld_exported_symbols_list="yes"
5721     fi
5722 fi
5723
5724 if  test "$plugins" = "yes" &&
5725     test "$ld_dynamic_list" = "no" &&
5726     test "$ld_exported_symbols_list" = "no" ; then
5727   error_exit \
5728       "Plugin support requires dynamic linking and specifying a set of symbols " \
5729       "that are exported to plugins. Unfortunately your linker doesn't " \
5730       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5731       "for this purpose. You can't build with --static."
5732 fi
5733
5734 ########################################
5735 # See if __attribute__((alias)) is supported.
5736 # This false for Xcode 9, but has been remedied for Xcode 10.
5737 # Unfortunately, travis uses Xcode 9 by default.
5738
5739 attralias=no
5740 cat > $TMPC << EOF
5741 int x = 1;
5742 extern const int y __attribute__((alias("x")));
5743 int main(void) { return 0; }
5744 EOF
5745 if compile_prog "" "" ; then
5746     attralias=yes
5747 fi
5748
5749 ########################################
5750 # check if getauxval is available.
5751
5752 getauxval=no
5753 cat > $TMPC << EOF
5754 #include <sys/auxv.h>
5755 int main(void) {
5756   return getauxval(AT_HWCAP) == 0;
5757 }
5758 EOF
5759 if compile_prog "" "" ; then
5760     getauxval=yes
5761 fi
5762
5763 ########################################
5764 # check if ccache is interfering with
5765 # semantic analysis of macros
5766
5767 unset CCACHE_CPP2
5768 ccache_cpp2=no
5769 cat > $TMPC << EOF
5770 static const int Z = 1;
5771 #define fn() ({ Z; })
5772 #define TAUT(X) ((X) == Z)
5773 #define PAREN(X, Y) (X == Y)
5774 #define ID(X) (X)
5775 int main(int argc, char *argv[])
5776 {
5777     int x = 0, y = 0;
5778     x = ID(x);
5779     x = fn();
5780     fn();
5781     if (PAREN(x, y)) return 0;
5782     if (TAUT(Z)) return 0;
5783     return 0;
5784 }
5785 EOF
5786
5787 if ! compile_object "-Werror"; then
5788     ccache_cpp2=yes
5789 fi
5790
5791 #################################################
5792 # clang does not support glibc + FORTIFY_SOURCE.
5793
5794 if test "$fortify_source" != "no"; then
5795   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5796     fortify_source="no";
5797   elif test -n "$cxx" && has $cxx &&
5798        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5799     fortify_source="no";
5800   else
5801     fortify_source="yes"
5802   fi
5803 fi
5804
5805 ###############################################
5806 # Check if copy_file_range is provided by glibc
5807 have_copy_file_range=no
5808 cat > $TMPC << EOF
5809 #include <unistd.h>
5810 int main(void) {
5811   copy_file_range(0, NULL, 0, NULL, 0, 0);
5812   return 0;
5813 }
5814 EOF
5815 if compile_prog "" "" ; then
5816     have_copy_file_range=yes
5817 fi
5818
5819 ##########################################
5820 # check if struct fsxattr is available via linux/fs.h
5821
5822 have_fsxattr=no
5823 cat > $TMPC << EOF
5824 #include <linux/fs.h>
5825 struct fsxattr foo;
5826 int main(void) {
5827   return 0;
5828 }
5829 EOF
5830 if compile_prog "" "" ; then
5831     have_fsxattr=yes
5832 fi
5833
5834 ##########################################
5835 # check for usable membarrier system call
5836 if test "$membarrier" = "yes"; then
5837     have_membarrier=no
5838     if test "$mingw32" = "yes" ; then
5839         have_membarrier=yes
5840     elif test "$linux" = "yes" ; then
5841         cat > $TMPC << EOF
5842     #include <linux/membarrier.h>
5843     #include <sys/syscall.h>
5844     #include <unistd.h>
5845     #include <stdlib.h>
5846     int main(void) {
5847         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5848         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5849         exit(0);
5850     }
5851 EOF
5852         if compile_prog "" "" ; then
5853             have_membarrier=yes
5854         fi
5855     fi
5856     if test "$have_membarrier" = "no"; then
5857       feature_not_found "membarrier" "membarrier system call not available"
5858     fi
5859 else
5860     # Do not enable it by default even for Mingw32, because it doesn't
5861     # work on Wine.
5862     membarrier=no
5863 fi
5864
5865 ##########################################
5866 # check if rtnetlink.h exists and is useful
5867 have_rtnetlink=no
5868 cat > $TMPC << EOF
5869 #include <linux/rtnetlink.h>
5870 int main(void) {
5871   return IFLA_PROTO_DOWN;
5872 }
5873 EOF
5874 if compile_prog "" "" ; then
5875     have_rtnetlink=yes
5876 fi
5877
5878 ##########################################
5879 # check for usable AF_VSOCK environment
5880 have_af_vsock=no
5881 cat > $TMPC << EOF
5882 #include <errno.h>
5883 #include <sys/types.h>
5884 #include <sys/socket.h>
5885 #if !defined(AF_VSOCK)
5886 # error missing AF_VSOCK flag
5887 #endif
5888 #include <linux/vm_sockets.h>
5889 int main(void) {
5890     int sock, ret;
5891     struct sockaddr_vm svm;
5892     socklen_t len = sizeof(svm);
5893     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5894     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5895     if ((ret == -1) && (errno == ENOTCONN)) {
5896         return 0;
5897     }
5898     return -1;
5899 }
5900 EOF
5901 if compile_prog "" "" ; then
5902     have_af_vsock=yes
5903 fi
5904
5905 ##########################################
5906 # check for usable AF_ALG environment
5907 have_afalg=no
5908 cat > $TMPC << EOF
5909 #include <errno.h>
5910 #include <sys/types.h>
5911 #include <sys/socket.h>
5912 #include <linux/if_alg.h>
5913 int main(void) {
5914     int sock;
5915     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5916     return sock;
5917 }
5918 EOF
5919 if compile_prog "" "" ; then
5920     have_afalg=yes
5921 fi
5922 if test "$crypto_afalg" = "yes"
5923 then
5924     if test "$have_afalg" != "yes"
5925     then
5926         error_exit "AF_ALG requested but could not be detected"
5927     fi
5928 fi
5929
5930
5931 #################################################
5932 # Check to see if we have the Hypervisor framework
5933 if [ "$darwin" = "yes" ] ; then
5934   cat > $TMPC << EOF
5935 #include <Hypervisor/hv.h>
5936 int main() { return 0;}
5937 EOF
5938   if ! compile_object ""; then
5939     hvf='no'
5940   else
5941     hvf='yes'
5942     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
5943   fi
5944 fi
5945
5946 ##########################################
5947 # check for sysmacros.h
5948
5949 have_sysmacros=no
5950 cat > $TMPC << EOF
5951 #include <sys/sysmacros.h>
5952 int main(void) {
5953     return makedev(0, 0);
5954 }
5955 EOF
5956 if compile_prog "" "" ; then
5957     have_sysmacros=yes
5958 fi
5959
5960 ##########################################
5961 # check for _Static_assert()
5962
5963 have_static_assert=no
5964 cat > $TMPC << EOF
5965 _Static_assert(1, "success");
5966 int main(void) {
5967     return 0;
5968 }
5969 EOF
5970 if compile_prog "" "" ; then
5971     have_static_assert=yes
5972 fi
5973
5974 ##########################################
5975 # check for utmpx.h, it is missing e.g. on OpenBSD
5976
5977 have_utmpx=no
5978 cat > $TMPC << EOF
5979 #include <utmpx.h>
5980 struct utmpx user_info;
5981 int main(void) {
5982     return 0;
5983 }
5984 EOF
5985 if compile_prog "" "" ; then
5986     have_utmpx=yes
5987 fi
5988
5989 ##########################################
5990 # check for getrandom()
5991
5992 have_getrandom=no
5993 cat > $TMPC << EOF
5994 #include <sys/random.h>
5995 int main(void) {
5996     return getrandom(0, 0, GRND_NONBLOCK);
5997 }
5998 EOF
5999 if compile_prog "" "" ; then
6000     have_getrandom=yes
6001 fi
6002
6003 ##########################################
6004 # checks for sanitizers
6005
6006 have_asan=no
6007 have_ubsan=no
6008 have_asan_iface_h=no
6009 have_asan_iface_fiber=no
6010
6011 if test "$sanitizers" = "yes" ; then
6012   write_c_skeleton
6013   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6014       have_asan=yes
6015   fi
6016
6017   # we could use a simple skeleton for flags checks, but this also
6018   # detect the static linking issue of ubsan, see also:
6019   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6020   cat > $TMPC << EOF
6021 #include <stdlib.h>
6022 int main(void) {
6023     void *tmp = malloc(10);
6024     if (tmp != NULL) {
6025         return *(int *)(tmp + 2);
6026     }
6027     return 1;
6028 }
6029 EOF
6030   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6031       have_ubsan=yes
6032   fi
6033
6034   if check_include "sanitizer/asan_interface.h" ; then
6035       have_asan_iface_h=yes
6036   fi
6037
6038   cat > $TMPC << EOF
6039 #include <sanitizer/asan_interface.h>
6040 int main(void) {
6041   __sanitizer_start_switch_fiber(0, 0, 0);
6042   return 0;
6043 }
6044 EOF
6045   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6046       have_asan_iface_fiber=yes
6047   fi
6048 fi
6049
6050 ##########################################
6051 # checks for fuzzer
6052 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
6053   write_c_fuzzer_skeleton
6054   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6055     have_fuzzer=yes
6056   else
6057     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6058     exit 1
6059   fi
6060 fi
6061
6062 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6063 # keep it separate until that is not the case.
6064 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6065   error_exit "TSAN is not supported with other sanitiziers."
6066 fi
6067 have_tsan=no
6068 have_tsan_iface_fiber=no
6069 if test "$tsan" = "yes" ; then
6070   write_c_skeleton
6071   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6072       have_tsan=yes
6073   fi
6074   cat > $TMPC << EOF
6075 #include <sanitizer/tsan_interface.h>
6076 int main(void) {
6077   __tsan_create_fiber(0);
6078   return 0;
6079 }
6080 EOF
6081   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6082       have_tsan_iface_fiber=yes
6083   fi
6084 fi
6085
6086 ##########################################
6087 # check for libpmem
6088
6089 if test "$libpmem" != "no"; then
6090         if $pkg_config --exists "libpmem"; then
6091                 libpmem="yes"
6092                 libpmem_libs=$($pkg_config --libs libpmem)
6093                 libpmem_cflags=$($pkg_config --cflags libpmem)
6094         else
6095                 if test "$libpmem" = "yes" ; then
6096                         feature_not_found "libpmem" "Install nvml or pmdk"
6097                 fi
6098                 libpmem="no"
6099         fi
6100 fi
6101
6102 ##########################################
6103 # check for libdaxctl
6104
6105 if test "$libdaxctl" != "no"; then
6106         if $pkg_config --atleast-version=57 "libdaxctl"; then
6107                 libdaxctl="yes"
6108                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6109                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6110         else
6111                 if test "$libdaxctl" = "yes" ; then
6112                         feature_not_found "libdaxctl" "Install libdaxctl"
6113                 fi
6114                 libdaxctl="no"
6115         fi
6116 fi
6117
6118 ##########################################
6119 # check for slirp
6120
6121 # slirp is only required when building softmmu targets
6122 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6123     slirp="no"
6124 fi
6125
6126 case "$slirp" in
6127   "" | yes)
6128     if $pkg_config slirp; then
6129       slirp=system
6130     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6131       slirp=git
6132     elif test -e "${source_path}/slirp/Makefile" ; then
6133       slirp=internal
6134     elif test -z "$slirp" ; then
6135       slirp=no
6136     else
6137       feature_not_found "slirp" "Install slirp devel or git submodule"
6138     fi
6139     ;;
6140
6141   system)
6142     if ! $pkg_config slirp; then
6143       feature_not_found "slirp" "Install slirp devel"
6144     fi
6145     ;;
6146 esac
6147
6148 case "$slirp" in
6149   git | internal)
6150     if test "$slirp" = git; then
6151       git_submodules="${git_submodules} slirp"
6152     fi
6153     mkdir -p slirp
6154     slirp_cflags="-I${source_path}/slirp/src -Islirp/src"
6155     slirp_libs="-Lslirp -lslirp"
6156     if test "$mingw32" = "yes" ; then
6157       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6158     fi
6159     ;;
6160
6161   system)
6162     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6163     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6164     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6165     ;;
6166
6167   no)
6168     ;;
6169   *)
6170     error_exit "Unknown state for slirp: $slirp"
6171     ;;
6172 esac
6173
6174 ##########################################
6175 # check for usable __NR_keyctl syscall
6176
6177 if test "$linux" = "yes" ; then
6178
6179     have_keyring=no
6180     cat > $TMPC << EOF
6181 #include <errno.h>
6182 #include <asm/unistd.h>
6183 #include <linux/keyctl.h>
6184 #include <unistd.h>
6185 int main(void) {
6186     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6187 }
6188 EOF
6189     if compile_prog "" "" ; then
6190         have_keyring=yes
6191     fi
6192 fi
6193 if test "$secret_keyring" != "no"
6194 then
6195     if test "$have_keyring" = "yes"
6196     then
6197         secret_keyring=yes
6198     else
6199         if test "$secret_keyring" = "yes"
6200         then
6201             error_exit "syscall __NR_keyctl requested, \
6202 but not implemented on your system"
6203         else
6204             secret_keyring=no
6205         fi
6206     fi
6207 fi
6208
6209 ##########################################
6210 # End of CC checks
6211 # After here, no more $cc or $ld runs
6212
6213 write_c_skeleton
6214
6215 if test "$gcov" = "yes" ; then
6216   :
6217 elif test "$fortify_source" = "yes" ; then
6218   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6219   debug=no
6220 fi
6221 if test "$debug_info" = "yes"; then
6222   CFLAGS="-g $CFLAGS"
6223   LDFLAGS="-g $LDFLAGS"
6224 fi
6225 if test "$debug" = "no"; then
6226   CFLAGS="-O2 $CFLAGS"
6227 fi
6228
6229 case "$ARCH" in
6230 alpha)
6231   # Ensure there's only a single GP
6232   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6233 ;;
6234 esac
6235
6236 if test "$gprof" = "yes" ; then
6237   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6238   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6239 fi
6240
6241 if test "$have_asan" = "yes"; then
6242   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6243   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6244   if test "$have_asan_iface_h" = "no" ; then
6245       echo "ASAN build enabled, but ASAN header missing." \
6246            "Without code annotation, the report may be inferior."
6247   elif test "$have_asan_iface_fiber" = "no" ; then
6248       echo "ASAN build enabled, but ASAN header is too old." \
6249            "Without code annotation, the report may be inferior."
6250   fi
6251 fi
6252 if test "$have_tsan" = "yes" ; then
6253   if test "$have_tsan_iface_fiber" = "yes" ; then
6254     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6255     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6256   else
6257     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6258   fi
6259 elif test "$tsan" = "yes" ; then
6260   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6261 fi
6262 if test "$have_ubsan" = "yes"; then
6263   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6264   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6265 fi
6266
6267 ##########################################
6268 # Do we have libnfs
6269 if test "$libnfs" != "no" ; then
6270   if $pkg_config --atleast-version=1.9.3 libnfs; then
6271     libnfs="yes"
6272     libnfs_libs=$($pkg_config --libs libnfs)
6273   else
6274     if test "$libnfs" = "yes" ; then
6275       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6276     fi
6277     libnfs="no"
6278   fi
6279 fi
6280
6281 ##########################################
6282 # Do we have libudev
6283 if test "$libudev" != "no" ; then
6284   if $pkg_config libudev && test "$static" != "yes"; then
6285     libudev="yes"
6286     libudev_libs=$($pkg_config --libs libudev)
6287   else
6288     libudev="no"
6289   fi
6290 fi
6291
6292 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6293 if test "$solaris" = "no" && test "$tsan" = "no"; then
6294     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6295         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6296     fi
6297 fi
6298
6299 # test if pod2man has --utf8 option
6300 if pod2man --help | grep -q utf8; then
6301     POD2MAN="pod2man --utf8"
6302 else
6303     POD2MAN="pod2man"
6304 fi
6305
6306 # Use ASLR, no-SEH and DEP if available
6307 if test "$mingw32" = "yes" ; then
6308     for flag in --dynamicbase --no-seh --nxcompat; do
6309         if ld_has $flag ; then
6310             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6311         fi
6312     done
6313 fi
6314
6315 # Disable OpenBSD W^X if available
6316 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6317     cat > $TMPC <<EOF
6318     int main(void) { return 0; }
6319 EOF
6320     wx_ldflags="-Wl,-z,wxneeded"
6321     if compile_prog "" "$wx_ldflags"; then
6322         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6323     fi
6324 fi
6325
6326 qemu_confdir="$sysconfdir/$qemu_suffix"
6327 qemu_moddir="$libdir/$qemu_suffix"
6328 qemu_datadir="$datadir/$qemu_suffix"
6329 qemu_docdir="$docdir/$qemu_suffix"
6330 qemu_localedir="$datadir/locale"
6331 qemu_icondir="$datadir/icons"
6332 qemu_desktopdir="$datadir/applications"
6333
6334 # We can only support ivshmem if we have eventfd
6335 if [ "$eventfd" = "yes" ]; then
6336   ivshmem=yes
6337 fi
6338
6339 if test "$softmmu" = yes ; then
6340   if test "$linux" = yes; then
6341     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6342       virtfs=yes
6343     else
6344       if test "$virtfs" = yes; then
6345         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6346       fi
6347       virtfs=no
6348     fi
6349     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6350       mpath=yes
6351     else
6352       if test "$mpath" = yes; then
6353         error_exit "Multipath requires libmpathpersist devel"
6354       fi
6355       mpath=no
6356     fi
6357   else
6358     if test "$virtfs" = yes; then
6359       error_exit "VirtFS is supported only on Linux"
6360     fi
6361     virtfs=no
6362     if test "$mpath" = yes; then
6363       error_exit "Multipath is supported only on Linux"
6364     fi
6365     mpath=no
6366   fi
6367 fi
6368
6369 # Probe for guest agent support/options
6370
6371 if [ "$guest_agent" != "no" ]; then
6372   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6373       guest_agent=no
6374   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6375       guest_agent=yes
6376   elif [ "$guest_agent" != yes ]; then
6377       guest_agent=no
6378   else
6379       error_exit "Guest agent is not supported on this platform"
6380   fi
6381 fi
6382
6383 # Guest agent Window MSI  package
6384
6385 if test "$guest_agent" != yes; then
6386   if test "$guest_agent_msi" = yes; then
6387     error_exit "MSI guest agent package requires guest agent enabled"
6388   fi
6389   guest_agent_msi=no
6390 elif test "$mingw32" != "yes"; then
6391   if test "$guest_agent_msi" = "yes"; then
6392     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6393   fi
6394   guest_agent_msi=no
6395 elif ! has wixl; then
6396   if test "$guest_agent_msi" = "yes"; then
6397     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6398   fi
6399   guest_agent_msi=no
6400 else
6401   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6402   # disabled explicitly
6403   if test "$guest_agent_msi" != "no"; then
6404     guest_agent_msi=yes
6405   fi
6406 fi
6407
6408 if test "$guest_agent_msi" = "yes"; then
6409   if test "$guest_agent_with_vss" = "yes"; then
6410     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6411   fi
6412
6413   if test "$QEMU_GA_MANUFACTURER" = ""; then
6414     QEMU_GA_MANUFACTURER=QEMU
6415   fi
6416
6417   if test "$QEMU_GA_DISTRO" = ""; then
6418     QEMU_GA_DISTRO=Linux
6419   fi
6420
6421   if test "$QEMU_GA_VERSION" = ""; then
6422       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6423   fi
6424
6425   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6426
6427   case "$cpu" in
6428   x86_64)
6429     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6430     ;;
6431   i386)
6432     QEMU_GA_MSI_ARCH="-D Arch=32"
6433     ;;
6434   *)
6435     error_exit "CPU $cpu not supported for building installation package"
6436     ;;
6437   esac
6438 fi
6439
6440 # Mac OS X ships with a broken assembler
6441 roms=
6442 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6443         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6444         test "$softmmu" = yes ; then
6445     # Different host OS linkers have different ideas about the name of the ELF
6446     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6447     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6448     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6449         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6450             ld_i386_emulation="$emu"
6451             roms="optionrom"
6452             break
6453         fi
6454     done
6455 fi
6456
6457 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6458 if test "$cpu" = "s390x" ; then
6459   write_c_skeleton
6460   if compile_prog "-march=z900" ""; then
6461     roms="$roms s390-ccw"
6462     # SLOF is required for building the s390-ccw firmware on s390x,
6463     # since it is using the libnet code from SLOF for network booting.
6464     if test -e "${source_path}/.git" ; then
6465       git_submodules="${git_submodules} roms/SLOF"
6466     fi
6467   fi
6468 fi
6469
6470 # Check that the C++ compiler exists and works with the C compiler.
6471 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6472 if has $cxx; then
6473     cat > $TMPC <<EOF
6474 int c_function(void);
6475 int main(void) { return c_function(); }
6476 EOF
6477
6478     compile_object
6479
6480     cat > $TMPCXX <<EOF
6481 extern "C" {
6482    int c_function(void);
6483 }
6484 int c_function(void) { return 42; }
6485 EOF
6486
6487     update_cxxflags
6488
6489     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6490         # C++ compiler $cxx works ok with C compiler $cc
6491         :
6492     else
6493         echo "C++ compiler $cxx does not work with C compiler $cc"
6494         echo "Disabling C++ specific optional code"
6495         cxx=
6496     fi
6497 else
6498     echo "No C++ compiler available; disabling C++ specific optional code"
6499     cxx=
6500 fi
6501
6502 if test $git_update = 'yes' ; then
6503     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
6504 fi
6505 if test "$fdt" = "git" ; then
6506     symlink "$source_path/dtc/Makefile" "dtc/Makefile"
6507 fi
6508
6509 config_host_mak="config-host.mak"
6510
6511 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6512 echo >> $config_host_mak
6513
6514 echo all: >> $config_host_mak
6515 echo "prefix=$prefix" >> $config_host_mak
6516 echo "bindir=$bindir" >> $config_host_mak
6517 echo "libdir=$libdir" >> $config_host_mak
6518 echo "libexecdir=$libexecdir" >> $config_host_mak
6519 echo "includedir=$includedir" >> $config_host_mak
6520 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6521 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6522 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6523 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6524 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6525 if test "$mingw32" = "no" ; then
6526   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6527 fi
6528 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6529 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6530 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6531 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6532 echo "GIT=$git" >> $config_host_mak
6533 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6534 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6535
6536 echo "ARCH=$ARCH" >> $config_host_mak
6537
6538 if test "$default_devices" = "yes" ; then
6539   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6540 else
6541   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6542 fi
6543 if test "$debug_tcg" = "yes" ; then
6544   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6545 fi
6546 if test "$strip_opt" = "yes" ; then
6547   echo "STRIP=${strip}" >> $config_host_mak
6548 fi
6549 if test "$bigendian" = "yes" ; then
6550   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6551 fi
6552 if test "$mingw32" = "yes" ; then
6553   echo "CONFIG_WIN32=y" >> $config_host_mak
6554   rc_version=$(cat $source_path/VERSION)
6555   version_major=${rc_version%%.*}
6556   rc_version=${rc_version#*.}
6557   version_minor=${rc_version%%.*}
6558   rc_version=${rc_version#*.}
6559   version_subminor=${rc_version%%.*}
6560   version_micro=0
6561   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6562   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6563   if test "$guest_agent_with_vss" = "yes" ; then
6564     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6565     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6566     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6567   fi
6568   if test "$guest_agent_ntddscsi" = "yes" ; then
6569     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6570   fi
6571   if test "$guest_agent_msi" = "yes"; then
6572     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6573     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6574     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6575     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6576     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6577     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6578     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6579   fi
6580 else
6581   echo "CONFIG_POSIX=y" >> $config_host_mak
6582 fi
6583
6584 if test "$linux" = "yes" ; then
6585   echo "CONFIG_LINUX=y" >> $config_host_mak
6586 fi
6587
6588 if test "$darwin" = "yes" ; then
6589   echo "CONFIG_DARWIN=y" >> $config_host_mak
6590 fi
6591
6592 if test "$solaris" = "yes" ; then
6593   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6594 fi
6595 if test "$haiku" = "yes" ; then
6596   echo "CONFIG_HAIKU=y" >> $config_host_mak
6597 fi
6598 if test "$static" = "yes" ; then
6599   echo "CONFIG_STATIC=y" >> $config_host_mak
6600 fi
6601 if test "$profiler" = "yes" ; then
6602   echo "CONFIG_PROFILER=y" >> $config_host_mak
6603 fi
6604 if test "$want_tools" = "yes" ; then
6605   echo "CONFIG_TOOLS=y" >> $config_host_mak
6606 fi
6607 if test "$guest_agent" = "yes" ; then
6608   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6609 fi
6610 if test "$slirp" != "no"; then
6611   echo "CONFIG_SLIRP=y" >> $config_host_mak
6612   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6613   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6614   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6615 fi
6616 subdirs=
6617 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6618   subdirs="$subdirs slirp"
6619 fi
6620 if test "$vde" = "yes" ; then
6621   echo "CONFIG_VDE=y" >> $config_host_mak
6622   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6623 fi
6624 if test "$netmap" = "yes" ; then
6625   echo "CONFIG_NETMAP=y" >> $config_host_mak
6626 fi
6627 if test "$l2tpv3" = "yes" ; then
6628   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6629 fi
6630 if test "$gprof" = "yes" ; then
6631   echo "CONFIG_GPROF=y" >> $config_host_mak
6632 fi
6633 if test "$cap_ng" = "yes" ; then
6634   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6635   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6636 fi
6637 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6638 for drv in $audio_drv_list; do
6639     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6640     echo "$def=y" >> $config_host_mak
6641 done
6642 if test "$alsa" = "yes" ; then
6643     echo "CONFIG_ALSA=y" >> $config_host_mak
6644 fi
6645 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6646 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6647 if test "$libpulse" = "yes" ; then
6648     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6649 fi
6650 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6651 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6652 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6653 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6654 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6655 if test "$libjack" = "yes" ; then
6656     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6657 fi
6658 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6659 if test "$audio_win_int" = "yes" ; then
6660   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6661 fi
6662 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6663 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6664 if test "$xfs" = "yes" ; then
6665   echo "CONFIG_XFS=y" >> $config_host_mak
6666 fi
6667 qemu_version=$(head $source_path/VERSION)
6668 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6669 echo "SRC_PATH=$source_path" >> $config_host_mak
6670 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6671 if [ "$docs" = "yes" ] ; then
6672   echo "BUILD_DOCS=yes" >> $config_host_mak
6673 fi
6674 if test "$modules" = "yes"; then
6675   # $shacmd can generate a hash started with digit, which the compiler doesn't
6676   # like as an symbol. So prefix it with an underscore
6677   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6678   echo "CONFIG_MODULES=y" >> $config_host_mak
6679 fi
6680 if test "$module_upgrades" = "yes"; then
6681   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6682 fi
6683 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6684   echo "CONFIG_X11=y" >> $config_host_mak
6685   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6686   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6687 fi
6688 if test "$cocoa" = "yes" ; then
6689   echo "CONFIG_COCOA=y" >> $config_host_mak
6690 fi
6691 if test "$iconv" = "yes" ; then
6692   echo "CONFIG_ICONV=y" >> $config_host_mak
6693   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6694   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6695 fi
6696 if test "$curses" = "yes" ; then
6697   echo "CONFIG_CURSES=y" >> $config_host_mak
6698   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6699   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6700 fi
6701 if test "$pipe2" = "yes" ; then
6702   echo "CONFIG_PIPE2=y" >> $config_host_mak
6703 fi
6704 if test "$accept4" = "yes" ; then
6705   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6706 fi
6707 if test "$splice" = "yes" ; then
6708   echo "CONFIG_SPLICE=y" >> $config_host_mak
6709 fi
6710 if test "$eventfd" = "yes" ; then
6711   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6712 fi
6713 if test "$memfd" = "yes" ; then
6714   echo "CONFIG_MEMFD=y" >> $config_host_mak
6715 fi
6716 if test "$have_usbfs" = "yes" ; then
6717   echo "CONFIG_USBFS=y" >> $config_host_mak
6718 fi
6719 if test "$fallocate" = "yes" ; then
6720   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6721 fi
6722 if test "$fallocate_punch_hole" = "yes" ; then
6723   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6724 fi
6725 if test "$fallocate_zero_range" = "yes" ; then
6726   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6727 fi
6728 if test "$posix_fallocate" = "yes" ; then
6729   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6730 fi
6731 if test "$sync_file_range" = "yes" ; then
6732   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6733 fi
6734 if test "$fiemap" = "yes" ; then
6735   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6736 fi
6737 if test "$dup3" = "yes" ; then
6738   echo "CONFIG_DUP3=y" >> $config_host_mak
6739 fi
6740 if test "$ppoll" = "yes" ; then
6741   echo "CONFIG_PPOLL=y" >> $config_host_mak
6742 fi
6743 if test "$prctl_pr_set_timerslack" = "yes" ; then
6744   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6745 fi
6746 if test "$epoll" = "yes" ; then
6747   echo "CONFIG_EPOLL=y" >> $config_host_mak
6748 fi
6749 if test "$epoll_create1" = "yes" ; then
6750   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6751 fi
6752 if test "$sendfile" = "yes" ; then
6753   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6754 fi
6755 if test "$timerfd" = "yes" ; then
6756   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6757 fi
6758 if test "$setns" = "yes" ; then
6759   echo "CONFIG_SETNS=y" >> $config_host_mak
6760 fi
6761 if test "$clock_adjtime" = "yes" ; then
6762   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6763 fi
6764 if test "$syncfs" = "yes" ; then
6765   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6766 fi
6767 if test "$kcov" = "yes" ; then
6768   echo "CONFIG_KCOV=y" >> $config_host_mak
6769 fi
6770 if test "$btrfs" = "yes" ; then
6771   echo "CONFIG_BTRFS=y" >> $config_host_mak
6772 fi
6773 if test "$inotify" = "yes" ; then
6774   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6775 fi
6776 if test "$inotify1" = "yes" ; then
6777   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6778 fi
6779 if test "$sem_timedwait" = "yes" ; then
6780   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6781 fi
6782 if test "$strchrnul" = "yes" ; then
6783   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6784 fi
6785 if test "$st_atim" = "yes" ; then
6786   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6787 fi
6788 if test "$byteswap_h" = "yes" ; then
6789   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6790 fi
6791 if test "$bswap_h" = "yes" ; then
6792   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6793 fi
6794 if test "$curl" = "yes" ; then
6795   echo "CONFIG_CURL=y" >> $config_host_mak
6796   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6797   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6798 fi
6799 if test "$brlapi" = "yes" ; then
6800   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6801   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6802 fi
6803 if test "$gtk" = "yes" ; then
6804   echo "CONFIG_GTK=y" >> $config_host_mak
6805   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6806   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6807   if test "$gtk_gl" = "yes" ; then
6808     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6809   fi
6810 fi
6811 if test "$gio" = "yes" ; then
6812     echo "CONFIG_GIO=y" >> $config_host_mak
6813     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6814     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6815     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6816 fi
6817 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6818 if test "$gnutls" = "yes" ; then
6819   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6820   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6821   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6822 fi
6823 if test "$gcrypt" = "yes" ; then
6824   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6825   if test "$gcrypt_hmac" = "yes" ; then
6826     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6827   fi
6828   echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6829   echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6830 fi
6831 if test "$nettle" = "yes" ; then
6832   echo "CONFIG_NETTLE=y" >> $config_host_mak
6833   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6834   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6835   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6836 fi
6837 if test "$qemu_private_xts" = "yes" ; then
6838   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6839 fi
6840 if test "$tasn1" = "yes" ; then
6841   echo "CONFIG_TASN1=y" >> $config_host_mak
6842 fi
6843 if test "$auth_pam" = "yes" ; then
6844     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6845 fi
6846 if test "$have_ifaddrs_h" = "yes" ; then
6847     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6848 fi
6849 if test "$have_drm_h" = "yes" ; then
6850   echo "HAVE_DRM_H=y" >> $config_host_mak
6851 fi
6852 if test "$have_broken_size_max" = "yes" ; then
6853     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6854 fi
6855 if test "$have_openpty" = "yes" ; then
6856     echo "HAVE_OPENPTY=y" >> $config_host_mak
6857 fi
6858 if test "$have_sys_signal_h" = "yes" ; then
6859     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6860 fi
6861
6862 # Work around a system header bug with some kernel/XFS header
6863 # versions where they both try to define 'struct fsxattr':
6864 # xfs headers will not try to redefine structs from linux headers
6865 # if this macro is set.
6866 if test "$have_fsxattr" = "yes" ; then
6867     echo "HAVE_FSXATTR=y" >> $config_host_mak
6868 fi
6869 if test "$have_copy_file_range" = "yes" ; then
6870     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6871 fi
6872 if test "$vte" = "yes" ; then
6873   echo "CONFIG_VTE=y" >> $config_host_mak
6874   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6875   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6876 fi
6877 if test "$virglrenderer" = "yes" ; then
6878   echo "CONFIG_VIRGL=y" >> $config_host_mak
6879   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6880   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6881 fi
6882 if test "$xen" = "yes" ; then
6883   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6884   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6885   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6886   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6887 fi
6888 if test "$linux_aio" = "yes" ; then
6889   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6890 fi
6891 if test "$linux_io_uring" = "yes" ; then
6892   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6893   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6894   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6895 fi
6896 if test "$attr" = "yes" ; then
6897   echo "CONFIG_ATTR=y" >> $config_host_mak
6898   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6899 fi
6900 if test "$libattr" = "yes" ; then
6901   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6902 fi
6903 if test "$virtfs" = "yes" ; then
6904   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6905 fi
6906 if test "$mpath" = "yes" ; then
6907   echo "CONFIG_MPATH=y" >> $config_host_mak
6908   if test "$mpathpersist_new_api" = "yes"; then
6909     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6910   fi
6911 fi
6912 if test "$vhost_scsi" = "yes" ; then
6913   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6914 fi
6915 if test "$vhost_net" = "yes" ; then
6916   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6917 fi
6918 if test "$vhost_net_user" = "yes" ; then
6919   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6920 fi
6921 if test "$vhost_net_vdpa" = "yes" ; then
6922   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6923 fi
6924 if test "$vhost_crypto" = "yes" ; then
6925   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6926 fi
6927 if test "$vhost_vsock" = "yes" ; then
6928   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6929   if test "$vhost_user" = "yes" ; then
6930     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6931   fi
6932 fi
6933 if test "$vhost_kernel" = "yes" ; then
6934   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6935 fi
6936 if test "$vhost_user" = "yes" ; then
6937   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6938 fi
6939 if test "$vhost_vdpa" = "yes" ; then
6940   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6941 fi
6942 if test "$vhost_user_fs" = "yes" ; then
6943   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6944 fi
6945 if test "$blobs" = "yes" ; then
6946   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6947 fi
6948 if test "$iovec" = "yes" ; then
6949   echo "CONFIG_IOVEC=y" >> $config_host_mak
6950 fi
6951 if test "$preadv" = "yes" ; then
6952   echo "CONFIG_PREADV=y" >> $config_host_mak
6953 fi
6954 if test "$fdt" != "no" ; then
6955   echo "CONFIG_FDT=y" >> $config_host_mak
6956   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
6957   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
6958 fi
6959 if test "$membarrier" = "yes" ; then
6960   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6961 fi
6962 if test "$signalfd" = "yes" ; then
6963   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6964 fi
6965 if test "$optreset" = "yes" ; then
6966   echo "HAVE_OPTRESET=y" >> $config_host_mak
6967 fi
6968 if test "$tcg" = "yes"; then
6969   echo "CONFIG_TCG=y" >> $config_host_mak
6970   if test "$tcg_interpreter" = "yes" ; then
6971     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6972   fi
6973 fi
6974 if test "$fdatasync" = "yes" ; then
6975   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6976 fi
6977 if test "$madvise" = "yes" ; then
6978   echo "CONFIG_MADVISE=y" >> $config_host_mak
6979 fi
6980 if test "$posix_madvise" = "yes" ; then
6981   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6982 fi
6983 if test "$posix_memalign" = "yes" ; then
6984   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6985 fi
6986 if test "$spice" = "yes" ; then
6987   echo "CONFIG_SPICE=y" >> $config_host_mak
6988   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6989   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6990 fi
6991
6992 if test "$smartcard" = "yes" ; then
6993   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6994   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6995   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6996 fi
6997
6998 if test "$libusb" = "yes" ; then
6999   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7000   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7001   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7002 fi
7003
7004 if test "$usb_redir" = "yes" ; then
7005   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7006   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7007   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7008 fi
7009
7010 if test "$opengl" = "yes" ; then
7011   echo "CONFIG_OPENGL=y" >> $config_host_mak
7012   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
7013   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7014   if test "$opengl_dmabuf" = "yes" ; then
7015     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7016   fi
7017 fi
7018
7019 if test "$gbm" = "yes" ; then
7020     echo "CONFIG_GBM=y" >> $config_host_mak
7021     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7022     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7023 fi
7024
7025
7026 if test "$malloc_trim" = "yes" ; then
7027   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7028 fi
7029
7030 if test "$avx2_opt" = "yes" ; then
7031   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7032 fi
7033
7034 if test "$avx512f_opt" = "yes" ; then
7035   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7036 fi
7037
7038 if test "$lzo" = "yes" ; then
7039   echo "CONFIG_LZO=y" >> $config_host_mak
7040   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7041 fi
7042
7043 if test "$snappy" = "yes" ; then
7044   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7045   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7046 fi
7047
7048 if test "$bzip2" = "yes" ; then
7049   echo "CONFIG_BZIP2=y" >> $config_host_mak
7050   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7051 fi
7052
7053 if test "$lzfse" = "yes" ; then
7054   echo "CONFIG_LZFSE=y" >> $config_host_mak
7055   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7056 fi
7057
7058 if test "$zstd" = "yes" ; then
7059   echo "CONFIG_ZSTD=y" >> $config_host_mak
7060   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7061   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7062 fi
7063
7064 if test "$libiscsi" = "yes" ; then
7065   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7066   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7067   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7068 fi
7069
7070 if test "$libnfs" = "yes" ; then
7071   echo "CONFIG_LIBNFS=y" >> $config_host_mak
7072   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7073 fi
7074
7075 if test "$seccomp" = "yes"; then
7076   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7077   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7078   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7079 fi
7080
7081 # XXX: suppress that
7082 if [ "$bsd" = "yes" ] ; then
7083   echo "CONFIG_BSD=y" >> $config_host_mak
7084 fi
7085
7086 if test "$localtime_r" = "yes" ; then
7087   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7088 fi
7089 if test "$qom_cast_debug" = "yes" ; then
7090   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7091 fi
7092 if test "$rbd" = "yes" ; then
7093   echo "CONFIG_RBD=y" >> $config_host_mak
7094   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7095 fi
7096
7097 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7098 if test "$coroutine_pool" = "yes" ; then
7099   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7100 else
7101   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7102 fi
7103
7104 if test "$debug_stack_usage" = "yes" ; then
7105   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7106 fi
7107
7108 if test "$crypto_afalg" = "yes" ; then
7109   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7110 fi
7111
7112 if test "$open_by_handle_at" = "yes" ; then
7113   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7114 fi
7115
7116 if test "$linux_magic_h" = "yes" ; then
7117   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7118 fi
7119
7120 if test "$valgrind_h" = "yes" ; then
7121   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7122 fi
7123
7124 if test "$have_asan_iface_fiber" = "yes" ; then
7125     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7126 fi
7127
7128 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7129     echo "CONFIG_TSAN=y" >> $config_host_mak
7130 fi
7131
7132 if test "$has_environ" = "yes" ; then
7133   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7134 fi
7135
7136 if test "$cpuid_h" = "yes" ; then
7137   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7138 fi
7139
7140 if test "$int128" = "yes" ; then
7141   echo "CONFIG_INT128=y" >> $config_host_mak
7142 fi
7143
7144 if test "$atomic128" = "yes" ; then
7145   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7146 fi
7147
7148 if test "$cmpxchg128" = "yes" ; then
7149   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7150 fi
7151
7152 if test "$atomic64" = "yes" ; then
7153   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7154 fi
7155
7156 if test "$attralias" = "yes" ; then
7157   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7158 fi
7159
7160 if test "$getauxval" = "yes" ; then
7161   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7162 fi
7163
7164 if test "$glusterfs" = "yes" ; then
7165   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7166   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7167   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7168 fi
7169
7170 if test "$glusterfs_xlator_opt" = "yes" ; then
7171   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7172 fi
7173
7174 if test "$glusterfs_discard" = "yes" ; then
7175   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7176 fi
7177
7178 if test "$glusterfs_fallocate" = "yes" ; then
7179   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7180 fi
7181
7182 if test "$glusterfs_zerofill" = "yes" ; then
7183   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7184 fi
7185
7186 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7187   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7188 fi
7189
7190 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7191   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7192 fi
7193
7194 if test "$libssh" = "yes" ; then
7195   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7196   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7197   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7198 fi
7199
7200 if test "$live_block_migration" = "yes" ; then
7201   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7202 fi
7203
7204 if test "$tpm" = "yes"; then
7205   echo 'CONFIG_TPM=y' >> $config_host_mak
7206 fi
7207
7208 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7209 if have_backend "nop"; then
7210   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7211 fi
7212 if have_backend "simple"; then
7213   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7214   # Set the appropriate trace file.
7215   trace_file="\"$trace_file-\" FMT_pid"
7216 fi
7217 if have_backend "log"; then
7218   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7219 fi
7220 if have_backend "ust"; then
7221   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7222   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7223   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7224 fi
7225 if have_backend "dtrace"; then
7226   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7227   if test "$trace_backend_stap" = "yes" ; then
7228     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7229   fi
7230 fi
7231 if have_backend "ftrace"; then
7232   if test "$linux" = "yes" ; then
7233     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7234   else
7235     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7236   fi
7237 fi
7238 if have_backend "syslog"; then
7239   if test "$posix_syslog" = "yes" ; then
7240     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7241   else
7242     feature_not_found "syslog(trace backend)" "syslog not available"
7243   fi
7244 fi
7245 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7246
7247 if test "$rdma" = "yes" ; then
7248   echo "CONFIG_RDMA=y" >> $config_host_mak
7249   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7250 fi
7251
7252 if test "$pvrdma" = "yes" ; then
7253   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7254 fi
7255
7256 if test "$have_rtnetlink" = "yes" ; then
7257   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7258 fi
7259
7260 if test "$libxml2" = "yes" ; then
7261   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7262   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7263   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7264 fi
7265
7266 if test "$replication" = "yes" ; then
7267   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7268 fi
7269
7270 if test "$have_af_vsock" = "yes" ; then
7271   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7272 fi
7273
7274 if test "$have_sysmacros" = "yes" ; then
7275   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7276 fi
7277
7278 if test "$have_static_assert" = "yes" ; then
7279   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7280 fi
7281
7282 if test "$have_utmpx" = "yes" ; then
7283   echo "HAVE_UTMPX=y" >> $config_host_mak
7284 fi
7285 if test "$have_getrandom" = "yes" ; then
7286   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7287 fi
7288 if test "$ivshmem" = "yes" ; then
7289   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7290 fi
7291 if test "$capstone" != "no" ; then
7292   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7293   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7294   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7295 fi
7296 if test "$debug_mutex" = "yes" ; then
7297   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7298 fi
7299
7300 # Hold two types of flag:
7301 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7302 #                                     a thread we have a handle to
7303 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7304 #                                     platform
7305 if test "$pthread_setname_np_w_tid" = "yes" ; then
7306   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7307   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7308 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7309   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7310   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7311 fi
7312
7313 if test "$libpmem" = "yes" ; then
7314   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7315   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7316   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7317 fi
7318
7319 if test "$libdaxctl" = "yes" ; then
7320   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7321   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7322 fi
7323
7324 if test "$bochs" = "yes" ; then
7325   echo "CONFIG_BOCHS=y" >> $config_host_mak
7326 fi
7327 if test "$cloop" = "yes" ; then
7328   echo "CONFIG_CLOOP=y" >> $config_host_mak
7329 fi
7330 if test "$dmg" = "yes" ; then
7331   echo "CONFIG_DMG=y" >> $config_host_mak
7332 fi
7333 if test "$qcow1" = "yes" ; then
7334   echo "CONFIG_QCOW1=y" >> $config_host_mak
7335 fi
7336 if test "$vdi" = "yes" ; then
7337   echo "CONFIG_VDI=y" >> $config_host_mak
7338 fi
7339 if test "$vvfat" = "yes" ; then
7340   echo "CONFIG_VVFAT=y" >> $config_host_mak
7341 fi
7342 if test "$qed" = "yes" ; then
7343   echo "CONFIG_QED=y" >> $config_host_mak
7344 fi
7345 if test "$parallels" = "yes" ; then
7346   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7347 fi
7348 if test "$sheepdog" = "yes" ; then
7349   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7350 fi
7351 if test "$pty_h" = "yes" ; then
7352   echo "HAVE_PTY_H=y" >> $config_host_mak
7353 fi
7354 if test "$have_mlockall" = "yes" ; then
7355   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7356 fi
7357 if test "$fuzzing" = "yes" ; then
7358   # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
7359   # needed CFLAGS have already been provided
7360   if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
7361     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7362     FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
7363   else
7364     FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
7365   fi
7366 fi
7367
7368 if test "$plugins" = "yes" ; then
7369     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7370     # Copy the export object list to the build dir
7371     if test "$ld_dynamic_list" = "yes" ; then
7372         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7373         ld_symbols=qemu-plugins-ld.symbols
7374         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7375     elif test "$ld_exported_symbols_list" = "yes" ; then
7376         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7377         ld64_symbols=qemu-plugins-ld64.symbols
7378         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7379         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7380             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7381     else
7382         error_exit \
7383             "If \$plugins=yes, either \$ld_dynamic_list or " \
7384             "\$ld_exported_symbols_list should have been set to 'yes'."
7385     fi
7386 fi
7387
7388 if test -n "$gdb_bin" ; then
7389     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7390 fi
7391
7392 if test "$secret_keyring" = "yes" ; then
7393   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7394 fi
7395
7396 if test "$tcg_interpreter" = "yes"; then
7397   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7398 elif test "$ARCH" = "sparc64" ; then
7399   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7400 elif test "$ARCH" = "s390x" ; then
7401   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7402 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7403   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7404 elif test "$ARCH" = "ppc64" ; then
7405   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7406 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7407   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7408 else
7409   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7410 fi
7411
7412 echo "ROMS=$roms" >> $config_host_mak
7413 echo "MAKE=$make" >> $config_host_mak
7414 echo "PYTHON=$python" >> $config_host_mak
7415 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7416 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7417 echo "MESON=$meson" >> $config_host_mak
7418 echo "CC=$cc" >> $config_host_mak
7419 if $iasl -h > /dev/null 2>&1; then
7420   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7421 fi
7422 echo "CXX=$cxx" >> $config_host_mak
7423 echo "OBJCC=$objcc" >> $config_host_mak
7424 echo "AR=$ar" >> $config_host_mak
7425 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7426 echo "AS=$as" >> $config_host_mak
7427 echo "CCAS=$ccas" >> $config_host_mak
7428 echo "CPP=$cpp" >> $config_host_mak
7429 echo "OBJCOPY=$objcopy" >> $config_host_mak
7430 echo "LD=$ld" >> $config_host_mak
7431 echo "RANLIB=$ranlib" >> $config_host_mak
7432 echo "NM=$nm" >> $config_host_mak
7433 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7434 echo "WINDRES=$windres" >> $config_host_mak
7435 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7436 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7437 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7438 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7439 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7440 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7441 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7442 if test "$sparse" = "yes" ; then
7443   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7444 fi
7445 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7446 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7447 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7448 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7449 echo "EXESUF=$EXESUF" >> $config_host_mak
7450 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7451 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7452 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7453 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7454 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7455 if test "$gcov" = "yes" ; then
7456   echo "CONFIG_GCOV=y" >> $config_host_mak
7457 fi
7458
7459 if test "$libudev" != "no"; then
7460     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7461     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7462 fi
7463 if test "$fuzzing" != "no"; then
7464     echo "CONFIG_FUZZ=y" >> $config_host_mak
7465 fi
7466 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
7467
7468 if test "$edk2_blobs" = "yes" ; then
7469   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7470 fi
7471
7472 if test "$rng_none" = "yes"; then
7473   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7474 fi
7475
7476 # use included Linux headers
7477 if test "$linux" = "yes" ; then
7478   mkdir -p linux-headers
7479   case "$cpu" in
7480   i386|x86_64|x32)
7481     linux_arch=x86
7482     ;;
7483   ppc|ppc64|ppc64le)
7484     linux_arch=powerpc
7485     ;;
7486   s390x)
7487     linux_arch=s390
7488     ;;
7489   aarch64)
7490     linux_arch=arm64
7491     ;;
7492   mips64)
7493     linux_arch=mips
7494     ;;
7495   *)
7496     # For most CPUs the kernel architecture name and QEMU CPU name match.
7497     linux_arch="$cpu"
7498     ;;
7499   esac
7500     # For non-KVM architectures we will not have asm headers
7501     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7502       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7503     fi
7504 fi
7505
7506 for target in $target_list; do
7507 target_dir="$target"
7508 config_target_mak=$target_dir/config-target.mak
7509 target_name=$(echo $target | cut -d '-' -f 1)
7510 target_aligned_only="no"
7511 case "$target_name" in
7512   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7513   target_aligned_only="yes"
7514   ;;
7515 esac
7516 target_bigendian="no"
7517 case "$target_name" in
7518   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7519   target_bigendian="yes"
7520   ;;
7521 esac
7522 target_softmmu="no"
7523 target_user_only="no"
7524 target_linux_user="no"
7525 target_bsd_user="no"
7526 case "$target" in
7527   ${target_name}-softmmu)
7528     target_softmmu="yes"
7529     ;;
7530   ${target_name}-linux-user)
7531     target_user_only="yes"
7532     target_linux_user="yes"
7533     ;;
7534   ${target_name}-bsd-user)
7535     target_user_only="yes"
7536     target_bsd_user="yes"
7537     ;;
7538   *)
7539     error_exit "Target '$target' not recognised"
7540     exit 1
7541     ;;
7542 esac
7543
7544 mkdir -p $target_dir
7545 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7546
7547 bflt="no"
7548 mttcg="no"
7549 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7550 gdb_xml_files=""
7551
7552 TARGET_ARCH="$target_name"
7553 TARGET_BASE_ARCH=""
7554 TARGET_ABI_DIR=""
7555 TARGET_SYSTBL_ABI=""
7556 TARGET_SYSTBL=""
7557
7558 case "$target_name" in
7559   i386)
7560     mttcg="yes"
7561     gdb_xml_files="i386-32bit.xml"
7562     TARGET_SYSTBL_ABI=i386
7563     TARGET_SYSTBL=syscall_32.tbl
7564   ;;
7565   x86_64)
7566     TARGET_BASE_ARCH=i386
7567     TARGET_SYSTBL_ABI=common,64
7568     TARGET_SYSTBL=syscall_64.tbl
7569     mttcg="yes"
7570     gdb_xml_files="i386-64bit.xml"
7571   ;;
7572   alpha)
7573     mttcg="yes"
7574     TARGET_SYSTBL_ABI=common
7575   ;;
7576   arm|armeb)
7577     TARGET_ARCH=arm
7578     TARGET_SYSTBL_ABI=common,oabi
7579     bflt="yes"
7580     mttcg="yes"
7581     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7582   ;;
7583   aarch64|aarch64_be)
7584     TARGET_ARCH=aarch64
7585     TARGET_BASE_ARCH=arm
7586     bflt="yes"
7587     mttcg="yes"
7588     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"
7589   ;;
7590   avr)
7591     gdb_xml_files="avr-cpu.xml"
7592     target_compiler=$cross_cc_avr
7593   ;;
7594   cris)
7595   ;;
7596   hppa)
7597     mttcg="yes"
7598     TARGET_SYSTBL_ABI=common,32
7599   ;;
7600   lm32)
7601   ;;
7602   m68k)
7603     bflt="yes"
7604     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7605     TARGET_SYSTBL_ABI=common
7606   ;;
7607   microblaze|microblazeel)
7608     TARGET_ARCH=microblaze
7609     TARGET_SYSTBL_ABI=common
7610     mttcg="yes"
7611     bflt="yes"
7612   ;;
7613   mips|mipsel)
7614     mttcg="yes"
7615     TARGET_ARCH=mips
7616     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7617     TARGET_SYSTBL_ABI=o32
7618     TARGET_SYSTBL=syscall_o32.tbl
7619   ;;
7620   mipsn32|mipsn32el)
7621     mttcg="yes"
7622     TARGET_ARCH=mips64
7623     TARGET_BASE_ARCH=mips
7624     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7625     echo "TARGET_ABI32=y" >> $config_target_mak
7626     TARGET_SYSTBL_ABI=n32
7627     TARGET_SYSTBL=syscall_n32.tbl
7628   ;;
7629   mips64|mips64el)
7630     mttcg="no"
7631     TARGET_ARCH=mips64
7632     TARGET_BASE_ARCH=mips
7633     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7634     TARGET_SYSTBL_ABI=n64
7635     TARGET_SYSTBL=syscall_n64.tbl
7636   ;;
7637   moxie)
7638   ;;
7639   nios2)
7640   ;;
7641   or1k)
7642     TARGET_ARCH=openrisc
7643     TARGET_BASE_ARCH=openrisc
7644   ;;
7645   ppc)
7646     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7647     TARGET_SYSTBL_ABI=common,nospu,32
7648   ;;
7649   ppc64)
7650     TARGET_BASE_ARCH=ppc
7651     TARGET_ABI_DIR=ppc
7652     TARGET_SYSTBL_ABI=common,nospu,64
7653     mttcg=yes
7654     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7655   ;;
7656   ppc64le)
7657     TARGET_ARCH=ppc64
7658     TARGET_BASE_ARCH=ppc
7659     TARGET_ABI_DIR=ppc
7660     TARGET_SYSTBL_ABI=common,nospu,64
7661     mttcg=yes
7662     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7663   ;;
7664   ppc64abi32)
7665     TARGET_ARCH=ppc64
7666     TARGET_BASE_ARCH=ppc
7667     TARGET_ABI_DIR=ppc
7668     TARGET_SYSTBL_ABI=common,nospu,32
7669     echo "TARGET_ABI32=y" >> $config_target_mak
7670     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7671     deprecated_features="ppc64abi32 ${deprecated_features}"
7672   ;;
7673   riscv32)
7674     TARGET_BASE_ARCH=riscv
7675     TARGET_ABI_DIR=riscv
7676     mttcg=yes
7677     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7678   ;;
7679   riscv64)
7680     TARGET_BASE_ARCH=riscv
7681     TARGET_ABI_DIR=riscv
7682     mttcg=yes
7683     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7684   ;;
7685   rx)
7686     TARGET_ARCH=rx
7687     bflt="yes"
7688     target_compiler=$cross_cc_rx
7689     gdb_xml_files="rx-core.xml"
7690   ;;
7691   sh4|sh4eb)
7692     TARGET_ARCH=sh4
7693     TARGET_SYSTBL_ABI=common
7694     bflt="yes"
7695   ;;
7696   sparc)
7697     TARGET_SYSTBL_ABI=common,32
7698   ;;
7699   sparc64)
7700     TARGET_BASE_ARCH=sparc
7701     TARGET_SYSTBL_ABI=common,64
7702   ;;
7703   sparc32plus)
7704     TARGET_ARCH=sparc64
7705     TARGET_BASE_ARCH=sparc
7706     TARGET_ABI_DIR=sparc
7707     TARGET_SYSTBL_ABI=common,32
7708     echo "TARGET_ABI32=y" >> $config_target_mak
7709   ;;
7710   s390x)
7711     TARGET_SYSTBL_ABI=common,64
7712     mttcg=yes
7713     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7714   ;;
7715   tilegx)
7716   ;;
7717   tricore)
7718   ;;
7719   unicore32)
7720   ;;
7721   xtensa|xtensaeb)
7722     TARGET_ARCH=xtensa
7723     TARGET_SYSTBL_ABI=common
7724     bflt="yes"
7725     mttcg="yes"
7726   ;;
7727   *)
7728     error_exit "Unsupported target CPU"
7729   ;;
7730 esac
7731 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7732 if [ "$TARGET_BASE_ARCH" = "" ]; then
7733   TARGET_BASE_ARCH=$TARGET_ARCH
7734 fi
7735 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7736   TARGET_SYSTBL=syscall.tbl
7737 fi
7738
7739 upper() {
7740     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7741 }
7742
7743 target_arch_name="$(upper $TARGET_ARCH)"
7744 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7745 echo "TARGET_NAME=$target_name" >> $config_target_mak
7746 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7747 if [ "$TARGET_ABI_DIR" = "" ]; then
7748   TARGET_ABI_DIR=$TARGET_ARCH
7749 fi
7750 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7751 if [ "$HOST_VARIANT_DIR" != "" ]; then
7752     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7753 fi
7754 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7755     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7756     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7757 fi
7758
7759 if supported_xen_target $target; then
7760     echo "CONFIG_XEN=y" >> $config_target_mak
7761     if test "$xen_pci_passthrough" = yes; then
7762         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7763     fi
7764 fi
7765 if supported_kvm_target $target; then
7766     echo "CONFIG_KVM=y" >> $config_target_mak
7767 fi
7768 if supported_hax_target $target; then
7769     echo "CONFIG_HAX=y" >> $config_target_mak
7770 fi
7771 if supported_hvf_target $target; then
7772     echo "CONFIG_HVF=y" >> $config_target_mak
7773 fi
7774 if supported_whpx_target $target; then
7775     echo "CONFIG_WHPX=y" >> $config_target_mak
7776 fi
7777 if test "$target_aligned_only" = "yes" ; then
7778   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7779 fi
7780 if test "$target_bigendian" = "yes" ; then
7781   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7782 fi
7783 if test "$target_softmmu" = "yes" ; then
7784   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7785   if test "$mttcg" = "yes" ; then
7786     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7787   fi
7788 fi
7789 if test "$target_user_only" = "yes" ; then
7790   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7791   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7792   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7793 else
7794   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7795 fi
7796 if test "$target_linux_user" = "yes" ; then
7797   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7798 fi
7799 list=""
7800 if test ! -z "$gdb_xml_files" ; then
7801   for x in $gdb_xml_files; do
7802     list="$list gdb-xml/$x"
7803   done
7804   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7805 fi
7806
7807 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7808   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7809 fi
7810 if test "$target_bsd_user" = "yes" ; then
7811   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7812 fi
7813
7814 done # for target in $targets
7815
7816 if [ "$fdt" = "git" ]; then
7817   subdirs="$subdirs dtc"
7818 fi
7819 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7820   subdirs="$subdirs capstone"
7821 fi
7822 echo "SUBDIRS=$subdirs" >> $config_host_mak
7823 if test -n "$LIBCAPSTONE"; then
7824   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7825 fi
7826
7827 if test "$numa" = "yes"; then
7828   echo "CONFIG_NUMA=y" >> $config_host_mak
7829   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
7830 fi
7831
7832 if test "$ccache_cpp2" = "yes"; then
7833   echo "export CCACHE_CPP2=y" >> $config_host_mak
7834 fi
7835
7836 if test "$safe_stack" = "yes"; then
7837   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
7838 fi
7839
7840 # If we're using a separate build tree, set it up now.
7841 # DIRS are directories which we simply mkdir in the build tree;
7842 # LINKS are things to symlink back into the source tree
7843 # (these can be both files and directories).
7844 # Caution: do not add files or directories here using wildcards. This
7845 # will result in problems later if a new file matching the wildcard is
7846 # added to the source tree -- nothing will cause configure to be rerun
7847 # so the build tree will be missing the link back to the new file, and
7848 # tests might fail. Prefer to keep the relevant files in their own
7849 # directory and symlink the directory instead.
7850 # UNLINK is used to remove symlinks from older development versions
7851 # that might get into the way when doing "git update" without doing
7852 # a "make distclean" in between.
7853 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
7854 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
7855 DIRS="$DIRS docs docs/interop fsdev scsi"
7856 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7857 DIRS="$DIRS roms/seabios"
7858 DIRS="$DIRS contrib/plugins/"
7859 LINKS="Makefile"
7860 LINKS="$LINKS tests/tcg/lm32/Makefile"
7861 LINKS="$LINKS tests/tcg/Makefile.target"
7862 LINKS="$LINKS pc-bios/optionrom/Makefile"
7863 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7864 LINKS="$LINKS roms/seabios/Makefile"
7865 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7866 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7867 LINKS="$LINKS tests/acceptance tests/data"
7868 LINKS="$LINKS tests/qemu-iotests/check"
7869 LINKS="$LINKS python"
7870 LINKS="$LINKS contrib/plugins/Makefile "
7871 UNLINK="pc-bios/keymaps"
7872 for bios_file in \
7873     $source_path/pc-bios/*.bin \
7874     $source_path/pc-bios/*.elf \
7875     $source_path/pc-bios/*.lid \
7876     $source_path/pc-bios/*.rom \
7877     $source_path/pc-bios/*.dtb \
7878     $source_path/pc-bios/*.img \
7879     $source_path/pc-bios/openbios-* \
7880     $source_path/pc-bios/u-boot.* \
7881     $source_path/pc-bios/edk2-*.fd.bz2 \
7882     $source_path/pc-bios/palcode-*
7883 do
7884     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7885 done
7886 mkdir -p $DIRS
7887 for f in $LINKS ; do
7888     if [ -e "$source_path/$f" ]; then
7889         symlink "$source_path/$f" "$f"
7890     fi
7891 done
7892 for f in $UNLINK ; do
7893     if [ -L "$f" ]; then
7894         rm -f "$f"
7895     fi
7896 done
7897
7898 (for i in $cross_cc_vars; do
7899   export $i
7900 done
7901 export target_list source_path use_containers
7902 $source_path/tests/tcg/configure.sh)
7903
7904 # temporary config to build submodules
7905 for rom in seabios; do
7906     config_mak=roms/$rom/config.mak
7907     echo "# Automatically generated by configure - do not modify" > $config_mak
7908     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7909     echo "AS=$as" >> $config_mak
7910     echo "CCAS=$ccas" >> $config_mak
7911     echo "CC=$cc" >> $config_mak
7912     echo "BCC=bcc" >> $config_mak
7913     echo "CPP=$cpp" >> $config_mak
7914     echo "OBJCOPY=objcopy" >> $config_mak
7915     echo "IASL=$iasl" >> $config_mak
7916     echo "LD=$ld" >> $config_mak
7917     echo "RANLIB=$ranlib" >> $config_mak
7918 done
7919
7920 # set up qemu-iotests in this build directory
7921 iotests_common_env="tests/qemu-iotests/common.env"
7922
7923 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7924 echo >> "$iotests_common_env"
7925 echo "export PYTHON='$python'" >> "$iotests_common_env"
7926
7927 if test "$skip_meson" = no; then
7928 cross="config-meson.cross.new"
7929 meson_quote() {
7930     echo "['$(echo $* | sed "s/ /','/g")']"
7931 }
7932
7933 echo "# Automatically generated by configure - do not modify" > $cross
7934 echo "[properties]" >> $cross
7935 test -z "$cxx" && echo "link_language = 'c'" >> $cross
7936 echo "[binaries]" >> $cross
7937 echo "c = $(meson_quote $cc)" >> $cross
7938 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
7939 echo "ar = $(meson_quote $ar)" >> $cross
7940 echo "nm = $(meson_quote $nm)" >> $cross
7941 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
7942 echo "ranlib = $(meson_quote $ranlib)" >> $cross
7943 if has $sdl2_config; then
7944   echo "sdl2-config = $(meson_quote $sdl2_config)" >> $cross
7945 fi
7946 echo "strip = $(meson_quote $strip)" >> $cross
7947 echo "windres = $(meson_quote $windres)" >> $cross
7948 if test -n "$cross_prefix"; then
7949     cross_arg="--cross-file config-meson.cross"
7950     # Hack: Meson expects an absolute path for the *build* machine
7951     # for the prefix, so add a slash in front of a Windows path that
7952     # includes a drive letter.
7953     #
7954     # See https://github.com/mesonbuild/meson/issues/7577.
7955     echo "[host_machine]" >> $cross
7956     if test "$mingw32" = "yes" ; then
7957         echo "system = 'windows'" >> $cross
7958         case $prefix in
7959             ?:*) pre_prefix=/ ;;
7960         esac
7961     fi
7962     if test "$linux" = "yes" ; then
7963         echo "system = 'linux'" >> $cross
7964     fi
7965     case "$ARCH" in
7966         i386|x86_64)
7967             echo "cpu_family = 'x86'" >> $cross
7968             ;;
7969         ppc64le)
7970             echo "cpu_family = 'ppc64'" >> $cross
7971             ;;
7972         *)
7973             echo "cpu_family = '$ARCH'" >> $cross
7974             ;;
7975     esac
7976     echo "cpu = '$cpu'" >> $cross
7977     if test "$bigendian" = "yes" ; then
7978         echo "endian = 'big'" >> $cross
7979     else
7980         echo "endian = 'little'" >> $cross
7981     fi
7982 else
7983     cross_arg="--native-file config-meson.cross"
7984 fi
7985 mv $cross config-meson.cross
7986
7987 rm -rf meson-private meson-info meson-logs
7988 NINJA=${ninja:-$PWD/ninjatool} $meson setup \
7989         --prefix "${pre_prefix}$prefix" \
7990         --libdir "${pre_prefix}$libdir" \
7991         --libexecdir "${pre_prefix}$libexecdir" \
7992         --bindir "${pre_prefix}$bindir" \
7993         --includedir "${pre_prefix}$includedir" \
7994         --datadir "${pre_prefix}$datadir" \
7995         --mandir "${pre_prefix}$mandir" \
7996         --sysconfdir "${pre_prefix}$sysconfdir" \
7997         --localstatedir "${pre_prefix}$local_statedir" \
7998         -Ddocdir="${pre_prefix}$docdir" \
7999         -Dqemu_suffix="$qemu_suffix" \
8000         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8001         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8002         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8003         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8004         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8005         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8006         -Dsdl=$sdl -Dsdl_image=$sdl_image \
8007         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
8008         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
8009         $cross_arg \
8010         "$PWD" "$source_path"
8011
8012 if test "$?" -ne 0 ; then
8013     error_exit "meson setup failed"
8014 fi
8015 touch ninjatool.stamp
8016 fi
8017
8018 if test -n "${deprecated_features}"; then
8019     echo "Warning, deprecated features enabled."
8020     echo "Please see docs/system/deprecated.rst"
8021     echo "  features: ${deprecated_features}"
8022 fi
8023
8024 # Save the configure command line for later reuse.
8025 cat <<EOD >config.status
8026 #!/bin/sh
8027 # Generated by configure.
8028 # Run this file to recreate the current configuration.
8029 # Compiler output produced by configure, useful for debugging
8030 # configure, is in config.log if it exists.
8031 EOD
8032
8033 preserve_env() {
8034     envname=$1
8035
8036     eval envval=\$$envname
8037
8038     if test -n "$envval"
8039     then
8040         echo "$envname='$envval'" >> config.status
8041         echo "export $envname" >> config.status
8042     else
8043         echo "unset $envname" >> config.status
8044     fi
8045 }
8046
8047 # Preserve various env variables that influence what
8048 # features/build target configure will detect
8049 preserve_env AR
8050 preserve_env AS
8051 preserve_env CC
8052 preserve_env CPP
8053 preserve_env CXX
8054 preserve_env INSTALL
8055 preserve_env LD
8056 preserve_env LD_LIBRARY_PATH
8057 preserve_env LIBTOOL
8058 preserve_env MAKE
8059 preserve_env NM
8060 preserve_env OBJCOPY
8061 preserve_env PATH
8062 preserve_env PKG_CONFIG
8063 preserve_env PKG_CONFIG_LIBDIR
8064 preserve_env PKG_CONFIG_PATH
8065 preserve_env PYTHON
8066 preserve_env SDL2_CONFIG
8067 preserve_env SMBD
8068 preserve_env STRIP
8069 preserve_env WINDRES
8070
8071 printf "exec" >>config.status
8072 for i in "$0" "$@"; do
8073   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8074 done
8075 echo ' "$@"' >>config.status
8076 chmod +x config.status
8077
8078 rm -r "$TMPDIR1"