configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # make source path absolute
  15 source_path=$(cd "$(dirname -- "$0")"; pwd)
  16
  17 if test "$PWD" = "$source_path"
  18 then
  19     echo "Using './build' as the directory for build output"
  20
  21     MARKER=build/auto-created-by-configure
  22
  23     if test -e build
  24     then
  25         if test -f $MARKER
  26         then
  27            rm -rf build
  28         else
  29             echo "ERROR: ./build dir already exists and was not previously created by configure"
  30             exit 1
  31         fi
  32     fi
  33
  34     mkdir build
  35     touch $MARKER
  36
  37     cat > GNUmakefile <<'EOF'
  38 # This file is auto-generated by configure to support in-source tree
  39 # 'make' command invocation
  40
  41 ifeq ($(MAKECMDGOALS),)
  42 recurse: all
  43 endif
  44
  45 .NOTPARALLEL: %
  46 %: force
  47         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  48         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  49         @if test "$(MAKECMDGOALS)" = "distclean" && \
  50             test -e build/auto-created-by-configure ; \
  51         then \
  52             rm -rf build GNUmakefile ; \
  53         fi
  54 force: ;
  55 .PHONY: force
  56 GNUmakefile: ;
  57
  58 EOF
  59     cd build
  60     exec $source_path/configure "$@"
  61 fi
  62
  63 # Temporary directory used for files created while
  64 # configure runs. Since it is in the build directory
  65 # we can safely blow away any previous version of it
  66 # (and we need not jump through hoops to try to delete
  67 # it when configure exits.)
  68 TMPDIR1="config-temp"
  69 rm -rf "${TMPDIR1}"
  70 mkdir -p "${TMPDIR1}"
  71 if [ $? -ne 0 ]; then
  72     echo "ERROR: failed to create temporary directory"
  73     exit 1
  74 fi
  75
  76 TMPB="qemu-conf"
  77 TMPC="${TMPDIR1}/${TMPB}.c"
  78 TMPO="${TMPDIR1}/${TMPB}.o"
  79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  80 TMPE="${TMPDIR1}/${TMPB}.exe"
  81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 printf " '%s'" "$0" "$@" >> config.log
  89 echo >> config.log
  90 echo "#" >> config.log
  91
  92 print_error() {
  93     (echo
  94     echo "ERROR: $1"
  95     while test -n "$2"; do
  96         echo "       $2"
  97         shift
  98     done
  99     echo) >&2
 100 }
 101
 102 error_exit() {
 103     print_error "$@"
 104     exit 1
 105 }
 106
 107 do_compiler() {
 108     # Run the compiler, capturing its output to the log. First argument
 109     # is compiler binary to execute.
 110     local compiler="$1"
 111     shift
 112     if test -n "$BASH_VERSION"; then eval '
 113         echo >>config.log "
 114 funcs: ${FUNCNAME[*]}
 115 lines: ${BASH_LINENO[*]}"
 116     '; fi
 117     echo $compiler "$@" >> config.log
 118     $compiler "$@" >> config.log 2>&1 || return $?
 119     # Test passed. If this is an --enable-werror build, rerun
 120     # the test with -Werror and bail out if it fails. This
 121     # makes warning-generating-errors in configure test code
 122     # obvious to developers.
 123     if test "$werror" != "yes"; then
 124         return 0
 125     fi
 126     # Don't bother rerunning the compile if we were already using -Werror
 127     case "$*" in
 128         *-Werror*)
 129            return 0
 130         ;;
 131     esac
 132     echo $compiler -Werror "$@" >> config.log
 133     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 134     error_exit "configure test passed without -Werror but failed with -Werror." \
 135         "This is probably a bug in the configure script. The failing command" \
 136         "will be at the bottom of config.log." \
 137         "You can run configure with --disable-werror to bypass this check."
 138 }
 139
 140 do_cc() {
 141     do_compiler "$cc" "$@"
 142 }
 143
 144 do_cxx() {
 145     do_compiler "$cxx" "$@"
 146 }
 147
 148 # Append $2 to the variable named $1, with space separation
 149 add_to() {
 150     eval $1=\${$1:+\"\$$1 \"}\$2
 151 }
 152
 153 update_cxxflags() {
 154     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 155     # options which some versions of GCC's C++ compiler complain about
 156     # because they only make sense for C programs.
 157     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 158     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 159     for arg in $QEMU_CFLAGS; do
 160         case $arg in
 161             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 162             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 163                 ;;
 164             *)
 165                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 166                 ;;
 167         esac
 168     done
 169 }
 170
 171 compile_object() {
 172   local_cflags="$1"
 173   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 174 }
 175
 176 compile_prog() {
 177   local_cflags="$1"
 178   local_ldflags="$2"
 179   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 180 }
 181
 182 # symbolically link $1 to $2.  Portable version of "ln -sf".
 183 symlink() {
 184   rm -rf "$2"
 185   mkdir -p "$(dirname "$2")"
 186   ln -s "$1" "$2"
 187 }
 188
 189 # check whether a command is available to this shell (may be either an
 190 # executable or a builtin)
 191 has() {
 192     type "$1" >/dev/null 2>&1
 193 }
 194
 195 # search for an executable in PATH
 196 path_of() {
 197     local_command="$1"
 198     local_ifs="$IFS"
 199     local_dir=""
 200
 201     # pathname has a dir component?
 202     if [ "${local_command#*/}" != "$local_command" ]; then
 203         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 204             echo "$local_command"
 205             return 0
 206         fi
 207     fi
 208     if [ -z "$local_command" ]; then
 209         return 1
 210     fi
 211
 212     IFS=:
 213     for local_dir in $PATH; do
 214         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 215             echo "$local_dir/$local_command"
 216             IFS="${local_ifs:-$(printf ' \t\n')}"
 217             return 0
 218         fi
 219     done
 220     # not found
 221     IFS="${local_ifs:-$(printf ' \t\n')}"
 222     return 1
 223 }
 224
 225 version_ge () {
 226     local_ver1=`echo $1 | tr . ' '`
 227     local_ver2=`echo $2 | tr . ' '`
 228     while true; do
 229         set x $local_ver1
 230         local_first=${2-0}
 231         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 232         shift ${2:+2}
 233         local_ver1=$*
 234         set x $local_ver2
 235         # the second argument finished, the first must be greater or equal
 236         test $# = 1 && return 0
 237         test $local_first -lt $2 && return 1
 238         test $local_first -gt $2 && return 0
 239         shift ${2:+2}
 240         local_ver2=$*
 241     done
 242 }
 243
 244 have_backend () {
 245     echo "$trace_backends" | grep "$1" >/dev/null
 246 }
 247
 248 glob() {
 249     eval test -z '"${1#'"$2"'}"'
 250 }
 251
 252 supported_hax_target() {
 253     test "$hax" = "yes" || return 1
 254     glob "$1" "*-softmmu" || return 1
 255     case "${1%-softmmu}" in
 256         i386|x86_64)
 257             return 0
 258         ;;
 259     esac
 260     return 1
 261 }
 262
 263 supported_kvm_target() {
 264     test "$kvm" = "yes" || return 1
 265     glob "$1" "*-softmmu" || return 1
 266     case "${1%-softmmu}:$cpu" in
 267         arm:arm | aarch64:aarch64 | \
 268         i386:i386 | i386:x86_64 | i386:x32 | \
 269         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 270         mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
 271         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 272         s390x:s390x)
 273             return 0
 274         ;;
 275     esac
 276     return 1
 277 }
 278
 279 supported_xen_target() {
 280     test "$xen" = "yes" || return 1
 281     glob "$1" "*-softmmu" || return 1
 282     # Only i386 and x86_64 provide the xenpv machine.
 283     case "${1%-softmmu}" in
 284         i386|x86_64)
 285             return 0
 286         ;;
 287     esac
 288     return 1
 289 }
 290
 291 supported_hvf_target() {
 292     test "$hvf" = "yes" || return 1
 293     glob "$1" "*-softmmu" || return 1
 294     case "${1%-softmmu}" in
 295         x86_64)
 296             return 0
 297         ;;
 298     esac
 299     return 1
 300 }
 301
 302 supported_whpx_target() {
 303     test "$whpx" = "yes" || return 1
 304     glob "$1" "*-softmmu" || return 1
 305     case "${1%-softmmu}" in
 306         i386|x86_64)
 307             return 0
 308         ;;
 309     esac
 310     return 1
 311 }
 312
 313 supported_target() {
 314     case "$1" in
 315         *-softmmu)
 316             ;;
 317         *-linux-user)
 318             if test "$linux" != "yes"; then
 319                 print_error "Target '$target' is only available on a Linux host"
 320                 return 1
 321             fi
 322             ;;
 323         *-bsd-user)
 324             if test "$bsd" != "yes"; then
 325                 print_error "Target '$target' is only available on a BSD host"
 326                 return 1
 327             fi
 328             ;;
 329         *)
 330             print_error "Invalid target name '$target'"
 331             return 1
 332             ;;
 333     esac
 334     test "$tcg" = "yes" && return 0
 335     supported_kvm_target "$1" && return 0
 336     supported_xen_target "$1" && return 0
 337     supported_hax_target "$1" && return 0
 338     supported_hvf_target "$1" && return 0
 339     supported_whpx_target "$1" && return 0
 340     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 341     return 1
 342 }
 343
 344
 345 ld_has() {
 346     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 347 }
 348
 349 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 350 then
 351   error_exit "main directory cannot contain spaces nor colons"
 352 fi
 353
 354 # default parameters
 355 cpu=""
 356 iasl="iasl"
 357 interp_prefix="/usr/gnemul/qemu-%M"
 358 static="no"
 359 cross_prefix=""
 360 audio_drv_list=""
 361 block_drv_rw_whitelist=""
 362 block_drv_ro_whitelist=""
 363 host_cc="cc"
 364 libs_tools=""
 365 audio_win_int=""
 366 libs_qga=""
 367 debug_info="yes"
 368 stack_protector=""
 369 safe_stack=""
 370 use_containers="yes"
 371 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 372
 373 if test -e "$source_path/.git"
 374 then
 375     git_update=yes
 376     git_submodules="ui/keycodemapdb"
 377     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 378     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 379 else
 380     git_update=no
 381     git_submodules=""
 382
 383     if ! test -f "$source_path/ui/keycodemapdb/README"
 384     then
 385         echo
 386         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 387         echo
 388         echo "This is not a GIT checkout but module content appears to"
 389         echo "be missing. Do not use 'git archive' or GitHub download links"
 390         echo "to acquire QEMU source archives. Non-GIT builds are only"
 391         echo "supported with source archives linked from:"
 392         echo
 393         echo "  https://www.qemu.org/download/#source"
 394         echo
 395         echo "Developers working with GIT can use scripts/archive-source.sh"
 396         echo "if they need to create valid source archives."
 397         echo
 398         exit 1
 399     fi
 400 fi
 401 git="git"
 402
 403 # Don't accept a target_list environment variable.
 404 unset target_list
 405 unset target_list_exclude
 406
 407 # Default value for a variable defining feature "foo".
 408 #  * foo="no"  feature will only be used if --enable-foo arg is given
 409 #  * foo=""    feature will be searched for, and if found, will be used
 410 #              unless --disable-foo is given
 411 #  * foo="yes" this value will only be set by --enable-foo flag.
 412 #              feature will searched for,
 413 #              if not found, configure exits with error
 414 #
 415 # Always add --enable-foo and --disable-foo command line args.
 416 # Distributions want to ensure that several features are compiled in, and it
 417 # is impossible without a --enable-foo that exits if a feature is not found.
 418
 419 brlapi=""
 420 curl=""
 421 curses=""
 422 docs=""
 423 fdt=""
 424 netmap="no"
 425 sdl="auto"
 426 sdl_image="auto"
 427 virtfs=""
 428 mpath=""
 429 vnc="enabled"
 430 sparse="no"
 431 vde=""
 432 vnc_sasl="auto"
 433 vnc_jpeg="auto"
 434 vnc_png="auto"
 435 xkbcommon="auto"
 436 xen=""
 437 xen_ctrl_version=""
 438 xen_pci_passthrough=""
 439 linux_aio=""
 440 linux_io_uring=""
 441 cap_ng=""
 442 attr=""
 443 libattr=""
 444 xfs=""
 445 tcg="yes"
 446 membarrier=""
 447 vhost_net=""
 448 vhost_crypto=""
 449 vhost_scsi=""
 450 vhost_vsock=""
 451 vhost_user=""
 452 vhost_user_fs=""
 453 kvm="no"
 454 hax="no"
 455 hvf="no"
 456 whpx="no"
 457 rdma=""
 458 pvrdma=""
 459 gprof="no"
 460 debug_tcg="no"
 461 debug="no"
 462 sanitizers="no"
 463 tsan="no"
 464 fortify_source=""
 465 strip_opt="yes"
 466 tcg_interpreter="no"
 467 bigendian="no"
 468 mingw32="no"
 469 gcov="no"
 470 EXESUF=""
 471 HOST_DSOSUF=".so"
 472 LDFLAGS_SHARED="-shared"
 473 modules="no"
 474 module_upgrades="no"
 475 prefix="/usr/local"
 476 firmwarepath="\${prefix}/share/qemu-firmware"
 477 confsuffix="/qemu"
 478 slirp=""
 479 oss_lib=""
 480 bsd="no"
 481 linux="no"
 482 solaris="no"
 483 profiler="no"
 484 cocoa="no"
 485 softmmu="yes"
 486 linux_user="no"
 487 bsd_user="no"
 488 blobs="yes"
 489 edk2_blobs="no"
 490 pkgversion=""
 491 pie=""
 492 qom_cast_debug="yes"
 493 trace_backends="log"
 494 trace_file="trace"
 495 spice=""
 496 rbd=""
 497 smartcard=""
 498 libusb=""
 499 usb_redir=""
 500 opengl=""
 501 opengl_dmabuf="no"
 502 cpuid_h="no"
 503 avx2_opt=""
 504 zlib="yes"
 505 capstone=""
 506 lzo=""
 507 snappy=""
 508 bzip2=""
 509 lzfse=""
 510 zstd=""
 511 guest_agent=""
 512 guest_agent_with_vss="no"
 513 guest_agent_ntddscsi="no"
 514 guest_agent_msi=""
 515 vss_win32_sdk=""
 516 win_sdk="no"
 517 want_tools=""
 518 libiscsi=""
 519 libnfs=""
 520 coroutine=""
 521 coroutine_pool=""
 522 debug_stack_usage="no"
 523 crypto_afalg="no"
 524 seccomp=""
 525 glusterfs=""
 526 glusterfs_xlator_opt="no"
 527 glusterfs_discard="no"
 528 glusterfs_fallocate="no"
 529 glusterfs_zerofill="no"
 530 glusterfs_ftruncate_has_stat="no"
 531 glusterfs_iocb_has_stat="no"
 532 gtk=""
 533 gtk_gl="no"
 534 tls_priority="NORMAL"
 535 gnutls=""
 536 nettle=""
 537 nettle_xts="no"
 538 gcrypt=""
 539 gcrypt_hmac="no"
 540 gcrypt_xts="no"
 541 qemu_private_xts="yes"
 542 auth_pam=""
 543 vte=""
 544 virglrenderer=""
 545 tpm=""
 546 libssh=""
 547 live_block_migration="yes"
 548 numa=""
 549 tcmalloc="no"
 550 jemalloc="no"
 551 replication="yes"
 552 bochs="yes"
 553 cloop="yes"
 554 dmg="yes"
 555 qcow1="yes"
 556 vdi="yes"
 557 vvfat="yes"
 558 qed="yes"
 559 parallels="yes"
 560 sheepdog="yes"
 561 libxml2=""
 562 debug_mutex="no"
 563 libpmem=""
 564 default_devices="yes"
 565 plugins="no"
 566 fuzzing="no"
 567 rng_none="no"
 568 secret_keyring=""
 569 libdaxctl=""
 570 meson=""
 571 skip_meson=no
 572 gettext=""
 573
 574 bogus_os="no"
 575 malloc_trim=""
 576
 577 # parse CC options first
 578 for opt do
 579   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 580   case "$opt" in
 581   --cross-prefix=*) cross_prefix="$optarg"
 582   ;;
 583   --cc=*) CC="$optarg"
 584   ;;
 585   --cxx=*) CXX="$optarg"
 586   ;;
 587   --cpu=*) cpu="$optarg"
 588   ;;
 589   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 590                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 591   ;;
 592   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 593   ;;
 594   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 595                      EXTRA_LDFLAGS="$optarg"
 596   ;;
 597   --enable-debug-info) debug_info="yes"
 598   ;;
 599   --disable-debug-info) debug_info="no"
 600   ;;
 601   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 602   ;;
 603   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 604                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 605                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 606   ;;
 607   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 608                 cc_archs="$cc_archs $cc_arch"
 609                 eval "cross_cc_${cc_arch}=\$optarg"
 610                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 611   ;;
 612   esac
 613 done
 614 # OS specific
 615 # Using uname is really, really broken.  Once we have the right set of checks
 616 # we can eliminate its usage altogether.
 617
 618 # Preferred compiler:
 619 #  ${CC} (if set)
 620 #  ${cross_prefix}gcc (if cross-prefix specified)
 621 #  system compiler
 622 if test -z "${CC}${cross_prefix}"; then
 623   cc="$host_cc"
 624 else
 625   cc="${CC-${cross_prefix}gcc}"
 626 fi
 627
 628 if test -z "${CXX}${cross_prefix}"; then
 629   cxx="c++"
 630 else
 631   cxx="${CXX-${cross_prefix}g++}"
 632 fi
 633
 634 ar="${AR-${cross_prefix}ar}"
 635 as="${AS-${cross_prefix}as}"
 636 ccas="${CCAS-$cc}"
 637 cpp="${CPP-$cc -E}"
 638 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 639 ld="${LD-${cross_prefix}ld}"
 640 ranlib="${RANLIB-${cross_prefix}ranlib}"
 641 nm="${NM-${cross_prefix}nm}"
 642 strip="${STRIP-${cross_prefix}strip}"
 643 windres="${WINDRES-${cross_prefix}windres}"
 644 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 645 query_pkg_config() {
 646     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 647 }
 648 pkg_config=query_pkg_config
 649 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 650
 651 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 652 ARFLAGS="${ARFLAGS-rv}"
 653
 654 # default flags for all hosts
 655 # We use -fwrapv to tell the compiler that we require a C dialect where
 656 # left shift of signed integers is well defined and has the expected
 657 # 2s-complement style results. (Both clang and gcc agree that it
 658 # provides these semantics.)
 659 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 660 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 661 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 662 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 663 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 664 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 665 CFLAGS="-std=gnu99 -Wall"
 666
 667
 668 # running configure in the source tree?
 669 # we know that's the case if configure is there.
 670 if test -f "./configure"; then
 671     pwd_is_source_path="y"
 672 else
 673     pwd_is_source_path="n"
 674 fi
 675
 676 check_define() {
 677 cat > $TMPC <<EOF
 678 #if !defined($1)
 679 #error $1 not defined
 680 #endif
 681 int main(void) { return 0; }
 682 EOF
 683   compile_object
 684 }
 685
 686 check_include() {
 687 cat > $TMPC <<EOF
 688 #include <$1>
 689 int main(void) { return 0; }
 690 EOF
 691   compile_object
 692 }
 693
 694 write_c_skeleton() {
 695     cat > $TMPC <<EOF
 696 int main(void) { return 0; }
 697 EOF
 698 }
 699
 700 write_c_fuzzer_skeleton() {
 701     cat > $TMPC <<EOF
 702 #include <stdint.h>
 703 #include <sys/types.h>
 704 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 705 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 706 EOF
 707 }
 708
 709 if check_define __linux__ ; then
 710   targetos="Linux"
 711 elif check_define _WIN32 ; then
 712   targetos='MINGW32'
 713 elif check_define __OpenBSD__ ; then
 714   targetos='OpenBSD'
 715 elif check_define __sun__ ; then
 716   targetos='SunOS'
 717 elif check_define __HAIKU__ ; then
 718   targetos='Haiku'
 719 elif check_define __FreeBSD__ ; then
 720   targetos='FreeBSD'
 721 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 722   targetos='GNU/kFreeBSD'
 723 elif check_define __DragonFly__ ; then
 724   targetos='DragonFly'
 725 elif check_define __NetBSD__; then
 726   targetos='NetBSD'
 727 elif check_define __APPLE__; then
 728   targetos='Darwin'
 729 else
 730   # This is a fatal error, but don't report it yet, because we
 731   # might be going to just print the --help text, or it might
 732   # be the result of a missing compiler.
 733   targetos='bogus'
 734   bogus_os='yes'
 735 fi
 736
 737 # Some host OSes need non-standard checks for which CPU to use.
 738 # Note that these checks are broken for cross-compilation: if you're
 739 # cross-compiling to one of these OSes then you'll need to specify
 740 # the correct CPU with the --cpu option.
 741 case $targetos in
 742 Darwin)
 743   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 744   # run 64-bit userspace code.
 745   # If the user didn't specify a CPU explicitly and the kernel says this is
 746   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 747   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 748     cpu="x86_64"
 749   fi
 750   ;;
 751 SunOS)
 752   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 753   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 754     cpu="x86_64"
 755   fi
 756 esac
 757
 758 if test ! -z "$cpu" ; then
 759   # command line argument
 760   :
 761 elif check_define __i386__ ; then
 762   cpu="i386"
 763 elif check_define __x86_64__ ; then
 764   if check_define __ILP32__ ; then
 765     cpu="x32"
 766   else
 767     cpu="x86_64"
 768   fi
 769 elif check_define __sparc__ ; then
 770   if check_define __arch64__ ; then
 771     cpu="sparc64"
 772   else
 773     cpu="sparc"
 774   fi
 775 elif check_define _ARCH_PPC ; then
 776   if check_define _ARCH_PPC64 ; then
 777     if check_define _LITTLE_ENDIAN ; then
 778       cpu="ppc64le"
 779     else
 780       cpu="ppc64"
 781     fi
 782   else
 783     cpu="ppc"
 784   fi
 785 elif check_define __mips__ ; then
 786   cpu="mips"
 787 elif check_define __s390__ ; then
 788   if check_define __s390x__ ; then
 789     cpu="s390x"
 790   else
 791     cpu="s390"
 792   fi
 793 elif check_define __riscv ; then
 794   if check_define _LP64 ; then
 795     cpu="riscv64"
 796   else
 797     cpu="riscv32"
 798   fi
 799 elif check_define __arm__ ; then
 800   cpu="arm"
 801 elif check_define __aarch64__ ; then
 802   cpu="aarch64"
 803 else
 804   cpu=$(uname -m)
 805 fi
 806
 807 ARCH=
 808 # Normalise host CPU name and set ARCH.
 809 # Note that this case should only have supported host CPUs, not guests.
 810 case "$cpu" in
 811   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 812   ;;
 813   ppc64le)
 814     ARCH="ppc64"
 815   ;;
 816   i386|i486|i586|i686|i86pc|BePC)
 817     cpu="i386"
 818   ;;
 819   x86_64|amd64)
 820     cpu="x86_64"
 821   ;;
 822   armv*b|armv*l|arm)
 823     cpu="arm"
 824   ;;
 825   aarch64)
 826     cpu="aarch64"
 827   ;;
 828   mips*)
 829     cpu="mips"
 830   ;;
 831   sparc|sun4[cdmuv])
 832     cpu="sparc"
 833   ;;
 834   *)
 835     # This will result in either an error or falling back to TCI later
 836     ARCH=unknown
 837   ;;
 838 esac
 839 if test -z "$ARCH"; then
 840   ARCH="$cpu"
 841 fi
 842
 843 # OS specific
 844
 845 # host *BSD for user mode
 846 HOST_VARIANT_DIR=""
 847
 848 case $targetos in
 849 MINGW32*)
 850   mingw32="yes"
 851   hax="yes"
 852   vhost_user="no"
 853   audio_possible_drivers="dsound sdl"
 854   if check_include dsound.h; then
 855     audio_drv_list="dsound"
 856   else
 857     audio_drv_list=""
 858   fi
 859   supported_os="yes"
 860 ;;
 861 GNU/kFreeBSD)
 862   bsd="yes"
 863   audio_drv_list="oss try-sdl"
 864   audio_possible_drivers="oss sdl pa"
 865 ;;
 866 FreeBSD)
 867   bsd="yes"
 868   make="${MAKE-gmake}"
 869   audio_drv_list="oss try-sdl"
 870   audio_possible_drivers="oss sdl pa"
 871   # needed for kinfo_getvmmap(3) in libutil.h
 872   LIBS="-lutil $LIBS"
 873   netmap=""  # enable netmap autodetect
 874   HOST_VARIANT_DIR="freebsd"
 875 ;;
 876 DragonFly)
 877   bsd="yes"
 878   make="${MAKE-gmake}"
 879   audio_drv_list="oss try-sdl"
 880   audio_possible_drivers="oss sdl pa"
 881   HOST_VARIANT_DIR="dragonfly"
 882 ;;
 883 NetBSD)
 884   bsd="yes"
 885   hax="yes"
 886   make="${MAKE-gmake}"
 887   audio_drv_list="oss try-sdl"
 888   audio_possible_drivers="oss sdl"
 889   oss_lib="-lossaudio"
 890   HOST_VARIANT_DIR="netbsd"
 891 ;;
 892 OpenBSD)
 893   bsd="yes"
 894   make="${MAKE-gmake}"
 895   audio_drv_list="try-sdl"
 896   audio_possible_drivers="sdl"
 897   HOST_VARIANT_DIR="openbsd"
 898 ;;
 899 Darwin)
 900   bsd="yes"
 901   darwin="yes"
 902   hax="yes"
 903   hvf="yes"
 904   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 905   if [ "$cpu" = "x86_64" ] ; then
 906     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 907     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 908   fi
 909   cocoa="yes"
 910   audio_drv_list="coreaudio try-sdl"
 911   audio_possible_drivers="coreaudio sdl"
 912   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 913   # Disable attempts to use ObjectiveC features in os/object.h since they
 914   # won't work when we're compiling with gcc as a C compiler.
 915   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 916   HOST_VARIANT_DIR="darwin"
 917 ;;
 918 SunOS)
 919   solaris="yes"
 920   make="${MAKE-gmake}"
 921   install="${INSTALL-ginstall}"
 922   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 923   if test -f /usr/include/sys/soundcard.h ; then
 924     audio_drv_list="oss try-sdl"
 925   fi
 926   audio_possible_drivers="oss sdl"
 927 # needed for CMSG_ macros in sys/socket.h
 928   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 929 # needed for TIOCWIN* defines in termios.h
 930   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 931   solarisnetlibs="-lsocket -lnsl -lresolv"
 932   LIBS="$solarisnetlibs $LIBS"
 933 ;;
 934 Haiku)
 935   haiku="yes"
 936   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 937   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 938 ;;
 939 Linux)
 940   audio_drv_list="try-pa oss"
 941   audio_possible_drivers="oss alsa sdl pa"
 942   linux="yes"
 943   linux_user="yes"
 944   kvm="yes"
 945   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 946   libudev="yes"
 947 ;;
 948 esac
 949
 950 if [ "$bsd" = "yes" ] ; then
 951   if [ "$darwin" != "yes" ] ; then
 952     bsd_user="yes"
 953   fi
 954 fi
 955
 956 : ${make=${MAKE-make}}
 957 : ${install=${INSTALL-install}}
 958 # We prefer python 3.x. A bare 'python' is traditionally
 959 # python 2.x, but some distros have it as python 3.x, so
 960 # we check that too
 961 python=
 962 explicit_python=no
 963 for binary in "${PYTHON-python3}" python
 964 do
 965     if has "$binary"
 966     then
 967         python=$(command -v "$binary")
 968         break
 969     fi
 970 done
 971
 972 sphinx_build=
 973 for binary in sphinx-build-3 sphinx-build
 974 do
 975     if has "$binary"
 976     then
 977         sphinx_build=$(command -v "$binary")
 978         break
 979     fi
 980 done
 981
 982 # Check for ancillary tools used in testing
 983 genisoimage=
 984 for binary in genisoimage mkisofs
 985 do
 986     if has $binary
 987     then
 988         genisoimage=$(command -v "$binary")
 989         break
 990     fi
 991 done
 992
 993 : ${smbd=${SMBD-/usr/sbin/smbd}}
 994
 995 # Default objcc to clang if available, otherwise use CC
 996 if has clang; then
 997   objcc=clang
 998 else
 999   objcc="$cc"
1000 fi
1001
1002 if test "$mingw32" = "yes" ; then
1003   EXESUF=".exe"
1004   HOST_DSOSUF=".dll"
1005   # MinGW needs -mthreads for TLS and macro _MT.
1006   CFLAGS="-mthreads $CFLAGS"
1007   LIBS="-lwinmm -lws2_32 $LIBS"
1008   write_c_skeleton;
1009   if compile_prog "" "-liberty" ; then
1010     LIBS="-liberty $LIBS"
1011   fi
1012   prefix="c:/Program Files/QEMU"
1013   confsuffix=""
1014   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1015 fi
1016
1017 werror=""
1018
1019 for opt do
1020   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1021   case "$opt" in
1022   --help|-h) show_help=yes
1023   ;;
1024   --version|-V) exec cat $source_path/VERSION
1025   ;;
1026   --prefix=*) prefix="$optarg"
1027   ;;
1028   --interp-prefix=*) interp_prefix="$optarg"
1029   ;;
1030   --cross-prefix=*)
1031   ;;
1032   --cc=*)
1033   ;;
1034   --host-cc=*) host_cc="$optarg"
1035   ;;
1036   --cxx=*)
1037   ;;
1038   --iasl=*) iasl="$optarg"
1039   ;;
1040   --objcc=*) objcc="$optarg"
1041   ;;
1042   --make=*) make="$optarg"
1043   ;;
1044   --install=*) install="$optarg"
1045   ;;
1046   --python=*) python="$optarg" ; explicit_python=yes
1047   ;;
1048   --sphinx-build=*) sphinx_build="$optarg"
1049   ;;
1050   --skip-meson) skip_meson=yes
1051   ;;
1052   --meson=*) meson="$optarg"
1053   ;;
1054   --smbd=*) smbd="$optarg"
1055   ;;
1056   --extra-cflags=*)
1057   ;;
1058   --extra-cxxflags=*)
1059   ;;
1060   --extra-ldflags=*)
1061   ;;
1062   --enable-debug-info)
1063   ;;
1064   --disable-debug-info)
1065   ;;
1066   --cross-cc-*)
1067   ;;
1068   --enable-modules)
1069       modules="yes"
1070   ;;
1071   --disable-modules)
1072       modules="no"
1073   ;;
1074   --disable-module-upgrades) module_upgrades="no"
1075   ;;
1076   --enable-module-upgrades) module_upgrades="yes"
1077   ;;
1078   --cpu=*)
1079   ;;
1080   --target-list=*) target_list="$optarg"
1081                    if test "$target_list_exclude"; then
1082                        error_exit "Can't mix --target-list with --target-list-exclude"
1083                    fi
1084   ;;
1085   --target-list-exclude=*) target_list_exclude="$optarg"
1086                    if test "$target_list"; then
1087                        error_exit "Can't mix --target-list-exclude with --target-list"
1088                    fi
1089   ;;
1090   --enable-trace-backends=*) trace_backends="$optarg"
1091   ;;
1092   # XXX: backwards compatibility
1093   --enable-trace-backend=*) trace_backends="$optarg"
1094   ;;
1095   --with-trace-file=*) trace_file="$optarg"
1096   ;;
1097   --with-default-devices) default_devices="yes"
1098   ;;
1099   --without-default-devices) default_devices="no"
1100   ;;
1101   --enable-gprof) gprof="yes"
1102   ;;
1103   --enable-gcov) gcov="yes"
1104   ;;
1105   --static)
1106     static="yes"
1107     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1108   ;;
1109   --mandir=*) mandir="$optarg"
1110   ;;
1111   --bindir=*) bindir="$optarg"
1112   ;;
1113   --libdir=*) libdir="$optarg"
1114   ;;
1115   --libexecdir=*) libexecdir="$optarg"
1116   ;;
1117   --includedir=*) includedir="$optarg"
1118   ;;
1119   --datadir=*) datadir="$optarg"
1120   ;;
1121   --with-confsuffix=*) confsuffix="$optarg"
1122   ;;
1123   --docdir=*) qemu_docdir="$optarg"
1124   ;;
1125   --sysconfdir=*) sysconfdir="$optarg"
1126   ;;
1127   --localstatedir=*) local_statedir="$optarg"
1128   ;;
1129   --firmwarepath=*) firmwarepath="$optarg"
1130   ;;
1131   --host=*|--build=*|\
1132   --disable-dependency-tracking|\
1133   --sbindir=*|--sharedstatedir=*|\
1134   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1135   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1136     # These switches are silently ignored, for compatibility with
1137     # autoconf-generated configure scripts. This allows QEMU's
1138     # configure to be used by RPM and similar macros that set
1139     # lots of directory switches by default.
1140   ;;
1141   --disable-sdl) sdl="disabled"
1142   ;;
1143   --enable-sdl) sdl="enabled"
1144   ;;
1145   --disable-sdl-image) sdl_image="disabled"
1146   ;;
1147   --enable-sdl-image) sdl_image="enabled"
1148   ;;
1149   --disable-qom-cast-debug) qom_cast_debug="no"
1150   ;;
1151   --enable-qom-cast-debug) qom_cast_debug="yes"
1152   ;;
1153   --disable-virtfs) virtfs="no"
1154   ;;
1155   --enable-virtfs) virtfs="yes"
1156   ;;
1157   --disable-mpath) mpath="no"
1158   ;;
1159   --enable-mpath) mpath="yes"
1160   ;;
1161   --disable-vnc) vnc="disabled"
1162   ;;
1163   --enable-vnc) vnc="enabled"
1164   ;;
1165   --disable-gettext) gettext="false"
1166   ;;
1167   --enable-gettext) gettext="true"
1168   ;;
1169   --oss-lib=*) oss_lib="$optarg"
1170   ;;
1171   --audio-drv-list=*) audio_drv_list="$optarg"
1172   ;;
1173   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1174   ;;
1175   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1176   ;;
1177   --enable-debug-tcg) debug_tcg="yes"
1178   ;;
1179   --disable-debug-tcg) debug_tcg="no"
1180   ;;
1181   --enable-debug)
1182       # Enable debugging options that aren't excessively noisy
1183       debug_tcg="yes"
1184       debug_mutex="yes"
1185       debug="yes"
1186       strip_opt="no"
1187       fortify_source="no"
1188   ;;
1189   --enable-sanitizers) sanitizers="yes"
1190   ;;
1191   --disable-sanitizers) sanitizers="no"
1192   ;;
1193   --enable-tsan) tsan="yes"
1194   ;;
1195   --disable-tsan) tsan="no"
1196   ;;
1197   --enable-sparse) sparse="yes"
1198   ;;
1199   --disable-sparse) sparse="no"
1200   ;;
1201   --disable-strip) strip_opt="no"
1202   ;;
1203   --disable-vnc-sasl) vnc_sasl="disabled"
1204   ;;
1205   --enable-vnc-sasl) vnc_sasl="enabled"
1206   ;;
1207   --disable-vnc-jpeg) vnc_jpeg="disabled"
1208   ;;
1209   --enable-vnc-jpeg) vnc_jpeg="enabled"
1210   ;;
1211   --disable-vnc-png) vnc_png="disabled"
1212   ;;
1213   --enable-vnc-png) vnc_png="enabled"
1214   ;;
1215   --disable-slirp) slirp="no"
1216   ;;
1217   --enable-slirp=git) slirp="git"
1218   ;;
1219   --enable-slirp=system) slirp="system"
1220   ;;
1221   --disable-vde) vde="no"
1222   ;;
1223   --enable-vde) vde="yes"
1224   ;;
1225   --disable-netmap) netmap="no"
1226   ;;
1227   --enable-netmap) netmap="yes"
1228   ;;
1229   --disable-xen) xen="no"
1230   ;;
1231   --enable-xen) xen="yes"
1232   ;;
1233   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1234   ;;
1235   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1236   ;;
1237   --disable-brlapi) brlapi="no"
1238   ;;
1239   --enable-brlapi) brlapi="yes"
1240   ;;
1241   --disable-kvm) kvm="no"
1242   ;;
1243   --enable-kvm) kvm="yes"
1244   ;;
1245   --disable-hax) hax="no"
1246   ;;
1247   --enable-hax) hax="yes"
1248   ;;
1249   --disable-hvf) hvf="no"
1250   ;;
1251   --enable-hvf) hvf="yes"
1252   ;;
1253   --disable-whpx) whpx="no"
1254   ;;
1255   --enable-whpx) whpx="yes"
1256   ;;
1257   --disable-tcg-interpreter) tcg_interpreter="no"
1258   ;;
1259   --enable-tcg-interpreter) tcg_interpreter="yes"
1260   ;;
1261   --disable-cap-ng)  cap_ng="no"
1262   ;;
1263   --enable-cap-ng) cap_ng="yes"
1264   ;;
1265   --disable-tcg) tcg="no"
1266   ;;
1267   --enable-tcg) tcg="yes"
1268   ;;
1269   --disable-malloc-trim) malloc_trim="no"
1270   ;;
1271   --enable-malloc-trim) malloc_trim="yes"
1272   ;;
1273   --disable-spice) spice="no"
1274   ;;
1275   --enable-spice) spice="yes"
1276   ;;
1277   --disable-libiscsi) libiscsi="no"
1278   ;;
1279   --enable-libiscsi) libiscsi="yes"
1280   ;;
1281   --disable-libnfs) libnfs="no"
1282   ;;
1283   --enable-libnfs) libnfs="yes"
1284   ;;
1285   --enable-profiler) profiler="yes"
1286   ;;
1287   --disable-cocoa) cocoa="no"
1288   ;;
1289   --enable-cocoa)
1290       cocoa="yes" ;
1291       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1292   ;;
1293   --disable-system) softmmu="no"
1294   ;;
1295   --enable-system) softmmu="yes"
1296   ;;
1297   --disable-user)
1298       linux_user="no" ;
1299       bsd_user="no" ;
1300   ;;
1301   --enable-user) ;;
1302   --disable-linux-user) linux_user="no"
1303   ;;
1304   --enable-linux-user) linux_user="yes"
1305   ;;
1306   --disable-bsd-user) bsd_user="no"
1307   ;;
1308   --enable-bsd-user) bsd_user="yes"
1309   ;;
1310   --enable-pie) pie="yes"
1311   ;;
1312   --disable-pie) pie="no"
1313   ;;
1314   --enable-werror) werror="yes"
1315   ;;
1316   --disable-werror) werror="no"
1317   ;;
1318   --enable-stack-protector) stack_protector="yes"
1319   ;;
1320   --disable-stack-protector) stack_protector="no"
1321   ;;
1322   --enable-safe-stack) safe_stack="yes"
1323   ;;
1324   --disable-safe-stack) safe_stack="no"
1325   ;;
1326   --disable-curses) curses="no"
1327   ;;
1328   --enable-curses) curses="yes"
1329   ;;
1330   --disable-iconv) iconv="no"
1331   ;;
1332   --enable-iconv) iconv="yes"
1333   ;;
1334   --disable-curl) curl="no"
1335   ;;
1336   --enable-curl) curl="yes"
1337   ;;
1338   --disable-fdt) fdt="no"
1339   ;;
1340   --enable-fdt) fdt="yes"
1341   ;;
1342   --disable-linux-aio) linux_aio="no"
1343   ;;
1344   --enable-linux-aio) linux_aio="yes"
1345   ;;
1346   --disable-linux-io-uring) linux_io_uring="no"
1347   ;;
1348   --enable-linux-io-uring) linux_io_uring="yes"
1349   ;;
1350   --disable-attr) attr="no"
1351   ;;
1352   --enable-attr) attr="yes"
1353   ;;
1354   --disable-membarrier) membarrier="no"
1355   ;;
1356   --enable-membarrier) membarrier="yes"
1357   ;;
1358   --disable-blobs) blobs="no"
1359   ;;
1360   --with-pkgversion=*) pkgversion="$optarg"
1361   ;;
1362   --with-coroutine=*) coroutine="$optarg"
1363   ;;
1364   --disable-coroutine-pool) coroutine_pool="no"
1365   ;;
1366   --enable-coroutine-pool) coroutine_pool="yes"
1367   ;;
1368   --enable-debug-stack-usage) debug_stack_usage="yes"
1369   ;;
1370   --enable-crypto-afalg) crypto_afalg="yes"
1371   ;;
1372   --disable-crypto-afalg) crypto_afalg="no"
1373   ;;
1374   --disable-docs) docs="no"
1375   ;;
1376   --enable-docs) docs="yes"
1377   ;;
1378   --disable-vhost-net) vhost_net="no"
1379   ;;
1380   --enable-vhost-net) vhost_net="yes"
1381   ;;
1382   --disable-vhost-crypto) vhost_crypto="no"
1383   ;;
1384   --enable-vhost-crypto) vhost_crypto="yes"
1385   ;;
1386   --disable-vhost-scsi) vhost_scsi="no"
1387   ;;
1388   --enable-vhost-scsi) vhost_scsi="yes"
1389   ;;
1390   --disable-vhost-vsock) vhost_vsock="no"
1391   ;;
1392   --enable-vhost-vsock) vhost_vsock="yes"
1393   ;;
1394   --disable-vhost-user-fs) vhost_user_fs="no"
1395   ;;
1396   --enable-vhost-user-fs) vhost_user_fs="yes"
1397   ;;
1398   --disable-opengl) opengl="no"
1399   ;;
1400   --enable-opengl) opengl="yes"
1401   ;;
1402   --disable-rbd) rbd="no"
1403   ;;
1404   --enable-rbd) rbd="yes"
1405   ;;
1406   --disable-xfsctl) xfs="no"
1407   ;;
1408   --enable-xfsctl) xfs="yes"
1409   ;;
1410   --disable-smartcard) smartcard="no"
1411   ;;
1412   --enable-smartcard) smartcard="yes"
1413   ;;
1414   --disable-libusb) libusb="no"
1415   ;;
1416   --enable-libusb) libusb="yes"
1417   ;;
1418   --disable-usb-redir) usb_redir="no"
1419   ;;
1420   --enable-usb-redir) usb_redir="yes"
1421   ;;
1422   --disable-zlib-test) zlib="no"
1423   ;;
1424   --disable-lzo) lzo="no"
1425   ;;
1426   --enable-lzo) lzo="yes"
1427   ;;
1428   --disable-snappy) snappy="no"
1429   ;;
1430   --enable-snappy) snappy="yes"
1431   ;;
1432   --disable-bzip2) bzip2="no"
1433   ;;
1434   --enable-bzip2) bzip2="yes"
1435   ;;
1436   --enable-lzfse) lzfse="yes"
1437   ;;
1438   --disable-lzfse) lzfse="no"
1439   ;;
1440   --disable-zstd) zstd="no"
1441   ;;
1442   --enable-zstd) zstd="yes"
1443   ;;
1444   --enable-guest-agent) guest_agent="yes"
1445   ;;
1446   --disable-guest-agent) guest_agent="no"
1447   ;;
1448   --enable-guest-agent-msi) guest_agent_msi="yes"
1449   ;;
1450   --disable-guest-agent-msi) guest_agent_msi="no"
1451   ;;
1452   --with-vss-sdk) vss_win32_sdk=""
1453   ;;
1454   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1455   ;;
1456   --without-vss-sdk) vss_win32_sdk="no"
1457   ;;
1458   --with-win-sdk) win_sdk=""
1459   ;;
1460   --with-win-sdk=*) win_sdk="$optarg"
1461   ;;
1462   --without-win-sdk) win_sdk="no"
1463   ;;
1464   --enable-tools) want_tools="yes"
1465   ;;
1466   --disable-tools) want_tools="no"
1467   ;;
1468   --enable-seccomp) seccomp="yes"
1469   ;;
1470   --disable-seccomp) seccomp="no"
1471   ;;
1472   --disable-glusterfs) glusterfs="no"
1473   ;;
1474   --disable-avx2) avx2_opt="no"
1475   ;;
1476   --enable-avx2) avx2_opt="yes"
1477   ;;
1478   --disable-avx512f) avx512f_opt="no"
1479   ;;
1480   --enable-avx512f) avx512f_opt="yes"
1481   ;;
1482
1483   --enable-glusterfs) glusterfs="yes"
1484   ;;
1485   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1486       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1487   ;;
1488   --enable-vhdx|--disable-vhdx)
1489       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1490   ;;
1491   --enable-uuid|--disable-uuid)
1492       echo "$0: $opt is obsolete, UUID support is always built" >&2
1493   ;;
1494   --disable-gtk) gtk="no"
1495   ;;
1496   --enable-gtk) gtk="yes"
1497   ;;
1498   --tls-priority=*) tls_priority="$optarg"
1499   ;;
1500   --disable-gnutls) gnutls="no"
1501   ;;
1502   --enable-gnutls) gnutls="yes"
1503   ;;
1504   --disable-nettle) nettle="no"
1505   ;;
1506   --enable-nettle) nettle="yes"
1507   ;;
1508   --disable-gcrypt) gcrypt="no"
1509   ;;
1510   --enable-gcrypt) gcrypt="yes"
1511   ;;
1512   --disable-auth-pam) auth_pam="no"
1513   ;;
1514   --enable-auth-pam) auth_pam="yes"
1515   ;;
1516   --enable-rdma) rdma="yes"
1517   ;;
1518   --disable-rdma) rdma="no"
1519   ;;
1520   --enable-pvrdma) pvrdma="yes"
1521   ;;
1522   --disable-pvrdma) pvrdma="no"
1523   ;;
1524   --disable-vte) vte="no"
1525   ;;
1526   --enable-vte) vte="yes"
1527   ;;
1528   --disable-virglrenderer) virglrenderer="no"
1529   ;;
1530   --enable-virglrenderer) virglrenderer="yes"
1531   ;;
1532   --disable-tpm) tpm="no"
1533   ;;
1534   --enable-tpm) tpm="yes"
1535   ;;
1536   --disable-libssh) libssh="no"
1537   ;;
1538   --enable-libssh) libssh="yes"
1539   ;;
1540   --disable-live-block-migration) live_block_migration="no"
1541   ;;
1542   --enable-live-block-migration) live_block_migration="yes"
1543   ;;
1544   --disable-numa) numa="no"
1545   ;;
1546   --enable-numa) numa="yes"
1547   ;;
1548   --disable-libxml2) libxml2="no"
1549   ;;
1550   --enable-libxml2) libxml2="yes"
1551   ;;
1552   --disable-tcmalloc) tcmalloc="no"
1553   ;;
1554   --enable-tcmalloc) tcmalloc="yes"
1555   ;;
1556   --disable-jemalloc) jemalloc="no"
1557   ;;
1558   --enable-jemalloc) jemalloc="yes"
1559   ;;
1560   --disable-replication) replication="no"
1561   ;;
1562   --enable-replication) replication="yes"
1563   ;;
1564   --disable-bochs) bochs="no"
1565   ;;
1566   --enable-bochs) bochs="yes"
1567   ;;
1568   --disable-cloop) cloop="no"
1569   ;;
1570   --enable-cloop) cloop="yes"
1571   ;;
1572   --disable-dmg) dmg="no"
1573   ;;
1574   --enable-dmg) dmg="yes"
1575   ;;
1576   --disable-qcow1) qcow1="no"
1577   ;;
1578   --enable-qcow1) qcow1="yes"
1579   ;;
1580   --disable-vdi) vdi="no"
1581   ;;
1582   --enable-vdi) vdi="yes"
1583   ;;
1584   --disable-vvfat) vvfat="no"
1585   ;;
1586   --enable-vvfat) vvfat="yes"
1587   ;;
1588   --disable-qed) qed="no"
1589   ;;
1590   --enable-qed) qed="yes"
1591   ;;
1592   --disable-parallels) parallels="no"
1593   ;;
1594   --enable-parallels) parallels="yes"
1595   ;;
1596   --disable-sheepdog) sheepdog="no"
1597   ;;
1598   --enable-sheepdog) sheepdog="yes"
1599   ;;
1600   --disable-vhost-user) vhost_user="no"
1601   ;;
1602   --enable-vhost-user) vhost_user="yes"
1603   ;;
1604   --disable-vhost-vdpa) vhost_vdpa="no"
1605   ;;
1606   --enable-vhost-vdpa) vhost_vdpa="yes"
1607   ;;
1608   --disable-vhost-kernel) vhost_kernel="no"
1609   ;;
1610   --enable-vhost-kernel) vhost_kernel="yes"
1611   ;;
1612   --disable-capstone) capstone="no"
1613   ;;
1614   --enable-capstone) capstone="yes"
1615   ;;
1616   --enable-capstone=git) capstone="git"
1617   ;;
1618   --enable-capstone=system) capstone="system"
1619   ;;
1620   --with-git=*) git="$optarg"
1621   ;;
1622   --enable-git-update) git_update=yes
1623   ;;
1624   --disable-git-update) git_update=no
1625   ;;
1626   --enable-debug-mutex) debug_mutex=yes
1627   ;;
1628   --disable-debug-mutex) debug_mutex=no
1629   ;;
1630   --enable-libpmem) libpmem=yes
1631   ;;
1632   --disable-libpmem) libpmem=no
1633   ;;
1634   --enable-xkbcommon) xkbcommon="enabled"
1635   ;;
1636   --disable-xkbcommon) xkbcommon="disabled"
1637   ;;
1638   --enable-plugins) plugins="yes"
1639   ;;
1640   --disable-plugins) plugins="no"
1641   ;;
1642   --enable-containers) use_containers="yes"
1643   ;;
1644   --disable-containers) use_containers="no"
1645   ;;
1646   --enable-fuzzing) fuzzing=yes
1647   ;;
1648   --disable-fuzzing) fuzzing=no
1649   ;;
1650   --gdb=*) gdb_bin="$optarg"
1651   ;;
1652   --enable-rng-none) rng_none=yes
1653   ;;
1654   --disable-rng-none) rng_none=no
1655   ;;
1656   --enable-keyring) secret_keyring="yes"
1657   ;;
1658   --disable-keyring) secret_keyring="no"
1659   ;;
1660   --enable-libdaxctl) libdaxctl=yes
1661   ;;
1662   --disable-libdaxctl) libdaxctl=no
1663   ;;
1664   *)
1665       echo "ERROR: unknown option $opt"
1666       echo "Try '$0 --help' for more information"
1667       exit 1
1668   ;;
1669   esac
1670 done
1671
1672 libdir="${libdir:-$prefix/lib}"
1673 libexecdir="${libexecdir:-$prefix/libexec}"
1674 includedir="${includedir:-$prefix/include}"
1675
1676 if test "$mingw32" = "yes" ; then
1677     mandir="$prefix"
1678     datadir="$prefix"
1679     qemu_docdir="$prefix"
1680     bindir="$prefix"
1681     sysconfdir="$prefix"
1682     local_statedir=
1683 else
1684     mandir="${mandir:-$prefix/share/man}"
1685     datadir="${datadir:-$prefix/share}"
1686     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1687     bindir="${bindir:-$prefix/bin}"
1688     sysconfdir="${sysconfdir:-$prefix/etc}"
1689     local_statedir="${local_statedir:-$prefix/var}"
1690 fi
1691
1692 case "$cpu" in
1693     ppc)
1694            CPU_CFLAGS="-m32"
1695            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1696            ;;
1697     ppc64)
1698            CPU_CFLAGS="-m64"
1699            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1700            ;;
1701     sparc)
1702            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1703            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1704            ;;
1705     sparc64)
1706            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1707            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1708            ;;
1709     s390)
1710            CPU_CFLAGS="-m31"
1711            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1712            ;;
1713     s390x)
1714            CPU_CFLAGS="-m64"
1715            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1716            ;;
1717     i386)
1718            CPU_CFLAGS="-m32"
1719            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1720            ;;
1721     x86_64)
1722            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1723            # If we truly care, we should simply detect this case at
1724            # runtime and generate the fallback to serial emulation.
1725            CPU_CFLAGS="-m64 -mcx16"
1726            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1727            ;;
1728     x32)
1729            CPU_CFLAGS="-mx32"
1730            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1731            ;;
1732     # No special flags required for other host CPUs
1733 esac
1734
1735 eval "cross_cc_${cpu}=\$host_cc"
1736 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1737 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1738
1739 # For user-mode emulation the host arch has to be one we explicitly
1740 # support, even if we're using TCI.
1741 if [ "$ARCH" = "unknown" ]; then
1742   bsd_user="no"
1743   linux_user="no"
1744 fi
1745
1746 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1747   tcg="no"
1748 fi
1749
1750 default_target_list=""
1751
1752 mak_wilds=""
1753
1754 if [ "$softmmu" = "yes" ]; then
1755     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1756 fi
1757 if [ "$linux_user" = "yes" ]; then
1758     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1759 fi
1760 if [ "$bsd_user" = "yes" ]; then
1761     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1762 fi
1763
1764 if test -z "$target_list_exclude"; then
1765     for config in $mak_wilds; do
1766         default_target_list="${default_target_list} $(basename "$config" .mak)"
1767     done
1768 else
1769     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1770     for config in $mak_wilds; do
1771         target="$(basename "$config" .mak)"
1772         exclude="no"
1773         for excl in $exclude_list; do
1774             if test "$excl" = "$target"; then
1775                 exclude="yes"
1776                 break;
1777             fi
1778         done
1779         if test "$exclude" = "no"; then
1780             default_target_list="${default_target_list} $target"
1781         fi
1782     done
1783 fi
1784
1785 # Enumerate public trace backends for --help output
1786 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1787
1788 if test x"$show_help" = x"yes" ; then
1789 cat << EOF
1790
1791 Usage: configure [options]
1792 Options: [defaults in brackets after descriptions]
1793
1794 Standard options:
1795   --help                   print this message
1796   --prefix=PREFIX          install in PREFIX [$prefix]
1797   --interp-prefix=PREFIX   where to find shared libraries, etc.
1798                            use %M for cpu name [$interp_prefix]
1799   --target-list=LIST       set target list (default: build everything)
1800 $(echo Available targets: $default_target_list | \
1801   fold -s -w 53 | sed -e 's/^/                           /')
1802   --target-list-exclude=LIST exclude a set of targets from the default target-list
1803
1804 Advanced options (experts only):
1805   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1806   --cc=CC                  use C compiler CC [$cc]
1807   --iasl=IASL              use ACPI compiler IASL [$iasl]
1808   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1809                            build time
1810   --cxx=CXX                use C++ compiler CXX [$cxx]
1811   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1812   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1813   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1814   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1815   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1816   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1817   --make=MAKE              use specified make [$make]
1818   --install=INSTALL        use specified install [$install]
1819   --python=PYTHON          use specified python [$python]
1820   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1821   --meson=MESON            use specified meson [$meson]
1822   --smbd=SMBD              use specified smbd [$smbd]
1823   --with-git=GIT           use specified git [$git]
1824   --static                 enable static build [$static]
1825   --mandir=PATH            install man pages in PATH
1826   --datadir=PATH           install firmware in PATH$confsuffix
1827   --docdir=PATH            install documentation in PATH$confsuffix
1828   --bindir=PATH            install binaries in PATH
1829   --libdir=PATH            install libraries in PATH
1830   --libexecdir=PATH        install helper binaries in PATH
1831   --sysconfdir=PATH        install config in PATH$confsuffix
1832   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1833   --firmwarepath=PATH      search PATH for firmware files
1834   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1835   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1836   --with-pkgversion=VERS   use specified string as sub-version of the package
1837   --enable-debug           enable common debug build options
1838   --enable-sanitizers      enable default sanitizers
1839   --enable-tsan            enable thread sanitizer
1840   --disable-strip          disable stripping binaries
1841   --disable-werror         disable compilation abort on warning
1842   --disable-stack-protector disable compiler-provided stack protection
1843   --audio-drv-list=LIST    set audio drivers list:
1844                            Available drivers: $audio_possible_drivers
1845   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1846   --block-drv-rw-whitelist=L
1847                            set block driver read-write whitelist
1848                            (affects only QEMU, not qemu-img)
1849   --block-drv-ro-whitelist=L
1850                            set block driver read-only whitelist
1851                            (affects only QEMU, not qemu-img)
1852   --enable-trace-backends=B Set trace backend
1853                            Available backends: $trace_backend_list
1854   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1855                            Default:trace-<pid>
1856   --disable-slirp          disable SLIRP userspace network connectivity
1857   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1858   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1859   --oss-lib                path to OSS library
1860   --cpu=CPU                Build for host CPU [$cpu]
1861   --with-coroutine=BACKEND coroutine backend. Supported options:
1862                            ucontext, sigaltstack, windows
1863   --enable-gcov            enable test coverage analysis with gcov
1864   --disable-blobs          disable installing provided firmware blobs
1865   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1866   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1867   --tls-priority           default TLS protocol/cipher priority string
1868   --enable-gprof           QEMU profiling with gprof
1869   --enable-profiler        profiler support
1870   --enable-debug-stack-usage
1871                            track the maximum stack usage of stacks created by qemu_alloc_stack
1872   --enable-plugins
1873                            enable plugins via shared library loading
1874   --disable-containers     don't use containers for cross-building
1875   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1876
1877 Optional features, enabled with --enable-FEATURE and
1878 disabled with --disable-FEATURE, default is enabled if available:
1879
1880   system          all system emulation targets
1881   user            supported user emulation targets
1882   linux-user      all linux usermode emulation targets
1883   bsd-user        all BSD usermode emulation targets
1884   docs            build documentation
1885   guest-agent     build the QEMU Guest Agent
1886   guest-agent-msi build guest agent Windows MSI installation package
1887   pie             Position Independent Executables
1888   modules         modules support (non-Windows)
1889   module-upgrades try to load modules from alternate paths for upgrades
1890   debug-tcg       TCG debugging (default is disabled)
1891   debug-info      debugging information
1892   sparse          sparse checker
1893   safe-stack      SafeStack Stack Smash Protection. Depends on
1894                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1895
1896   gnutls          GNUTLS cryptography support
1897   nettle          nettle cryptography support
1898   gcrypt          libgcrypt cryptography support
1899   auth-pam        PAM access control
1900   sdl             SDL UI
1901   sdl-image       SDL Image support for icons
1902   gtk             gtk UI
1903   vte             vte support for the gtk UI
1904   curses          curses UI
1905   iconv           font glyph conversion support
1906   vnc             VNC UI support
1907   vnc-sasl        SASL encryption for VNC server
1908   vnc-jpeg        JPEG lossy compression for VNC server
1909   vnc-png         PNG compression for VNC server
1910   cocoa           Cocoa UI (Mac OS X only)
1911   virtfs          VirtFS
1912   mpath           Multipath persistent reservation passthrough
1913   xen             xen backend driver support
1914   xen-pci-passthrough    PCI passthrough support for Xen
1915   brlapi          BrlAPI (Braile)
1916   curl            curl connectivity
1917   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1918   fdt             fdt device tree
1919   kvm             KVM acceleration support
1920   hax             HAX acceleration support
1921   hvf             Hypervisor.framework acceleration support
1922   whpx            Windows Hypervisor Platform acceleration support
1923   rdma            Enable RDMA-based migration
1924   pvrdma          Enable PVRDMA support
1925   vde             support for vde network
1926   netmap          support for netmap network
1927   linux-aio       Linux AIO support
1928   linux-io-uring  Linux io_uring support
1929   cap-ng          libcap-ng support
1930   attr            attr and xattr support
1931   vhost-net       vhost-net kernel acceleration support
1932   vhost-vsock     virtio sockets device support
1933   vhost-scsi      vhost-scsi kernel target support
1934   vhost-crypto    vhost-user-crypto backend support
1935   vhost-kernel    vhost kernel backend support
1936   vhost-user      vhost-user backend support
1937   vhost-vdpa      vhost-vdpa kernel backend support
1938   spice           spice
1939   rbd             rados block device (rbd)
1940   libiscsi        iscsi support
1941   libnfs          nfs support
1942   smartcard       smartcard support (libcacard)
1943   libusb          libusb (for usb passthrough)
1944   live-block-migration   Block migration in the main migration stream
1945   usb-redir       usb network redirection support
1946   lzo             support of lzo compression library
1947   snappy          support of snappy compression library
1948   bzip2           support of bzip2 compression library
1949                   (for reading bzip2-compressed dmg images)
1950   lzfse           support of lzfse compression library
1951                   (for reading lzfse-compressed dmg images)
1952   zstd            support for zstd compression library
1953                   (for migration compression and qcow2 cluster compression)
1954   seccomp         seccomp support
1955   coroutine-pool  coroutine freelist (better performance)
1956   glusterfs       GlusterFS backend
1957   tpm             TPM support
1958   libssh          ssh block device support
1959   numa            libnuma support
1960   libxml2         for Parallels image format
1961   tcmalloc        tcmalloc support
1962   jemalloc        jemalloc support
1963   avx2            AVX2 optimization support
1964   avx512f         AVX512F optimization support
1965   replication     replication support
1966   opengl          opengl support
1967   virglrenderer   virgl rendering support
1968   xfsctl          xfsctl support
1969   qom-cast-debug  cast debugging support
1970   tools           build qemu-io, qemu-nbd and qemu-img tools
1971   bochs           bochs image format support
1972   cloop           cloop image format support
1973   dmg             dmg image format support
1974   qcow1           qcow v1 image format support
1975   vdi             vdi image format support
1976   vvfat           vvfat image format support
1977   qed             qed image format support
1978   parallels       parallels image format support
1979   sheepdog        sheepdog block driver support
1980   crypto-afalg    Linux AF_ALG crypto backend driver
1981   capstone        capstone disassembler support
1982   debug-mutex     mutex debugging support
1983   libpmem         libpmem support
1984   xkbcommon       xkbcommon support
1985   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1986   libdaxctl       libdaxctl support
1987
1988 NOTE: The object files are built at the place where configure is launched
1989 EOF
1990 exit 0
1991 fi
1992
1993 # Remove old dependency files to make sure that they get properly regenerated
1994 rm -f */config-devices.mak.d
1995
1996 if test -z "$python"
1997 then
1998     error_exit "Python not found. Use --python=/path/to/python"
1999 fi
2000
2001 # Note that if the Python conditional here evaluates True we will exit
2002 # with status 1 which is a shell 'false' value.
2003 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2004   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2005       "Use --python=/path/to/python to specify a supported Python."
2006 fi
2007
2008 # Preserve python version since some functionality is dependent on it
2009 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)
2010
2011 # Suppress writing compiled files
2012 python="$python -B"
2013
2014 if test -z "$meson"; then
2015     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then
2016         meson=meson
2017     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2018         meson=git
2019     elif test -e "${source_path}/meson/meson.py" ; then
2020         meson=internal
2021     else
2022         if test "$explicit_python" = yes; then
2023             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2024         else
2025             error_exit "Meson not found.  Use --meson=/path/to/meson"
2026         fi
2027     fi
2028 else
2029     # Meson uses its own Python interpreter to invoke other Python scripts,
2030     # but the user wants to use the one they specified with --python.
2031     #
2032     # We do not want to override the distro Python interpreter (and sometimes
2033     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2034     # just require --meson=git|internal together with --python.
2035     if test "$explicit_python" = yes; then
2036         case "$meson" in
2037             git | internal) ;;
2038             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2039         esac
2040     fi
2041 fi
2042
2043 if test "$meson" = git; then
2044     git_submodules="${git_submodules} meson"
2045 fi
2046 if test "$git_update" = yes; then
2047     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2048 fi
2049
2050 case "$meson" in
2051     git | internal)
2052         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2053             error_exit "Python setuptools not found"
2054         fi
2055         meson="$python ${source_path}/meson/meson.py"
2056         ;;
2057     *) meson=$(command -v meson) ;;
2058 esac
2059
2060
2061 # Check that the C compiler works. Doing this here before testing
2062 # the host CPU ensures that we had a valid CC to autodetect the
2063 # $cpu var (and we should bail right here if that's not the case).
2064 # It also allows the help message to be printed without a CC.
2065 write_c_skeleton;
2066 if compile_object ; then
2067   : C compiler works ok
2068 else
2069     error_exit "\"$cc\" either does not exist or does not work"
2070 fi
2071 if ! compile_prog ; then
2072     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2073 fi
2074
2075 # Now we have handled --enable-tcg-interpreter and know we're not just
2076 # printing the help message, bail out if the host CPU isn't supported.
2077 if test "$ARCH" = "unknown"; then
2078     if test "$tcg_interpreter" = "yes" ; then
2079         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2080     else
2081         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2082     fi
2083 fi
2084
2085 # Consult white-list to determine whether to enable werror
2086 # by default.  Only enable by default for git builds
2087 if test -z "$werror" ; then
2088     if test -e "$source_path/.git" && \
2089         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2090         werror="yes"
2091     else
2092         werror="no"
2093     fi
2094 fi
2095
2096 if test "$bogus_os" = "yes"; then
2097     # Now that we know that we're not printing the help and that
2098     # the compiler works (so the results of the check_defines we used
2099     # to identify the OS are reliable), if we didn't recognize the
2100     # host OS we should stop now.
2101     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2102 fi
2103
2104 # Check whether the compiler matches our minimum requirements:
2105 cat > $TMPC << EOF
2106 #if defined(__clang_major__) && defined(__clang_minor__)
2107 # ifdef __apple_build_version__
2108 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2109 #   error You need at least XCode Clang v5.1 to compile QEMU
2110 #  endif
2111 # else
2112 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2113 #   error You need at least Clang v3.4 to compile QEMU
2114 #  endif
2115 # endif
2116 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2117 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2118 #  error You need at least GCC v4.8 to compile QEMU
2119 # endif
2120 #else
2121 # error You either need GCC or Clang to compiler QEMU
2122 #endif
2123 int main (void) { return 0; }
2124 EOF
2125 if ! compile_prog "" "" ; then
2126     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2127 fi
2128
2129 # Accumulate -Wfoo and -Wno-bar separately.
2130 # We will list all of the enable flags first, and the disable flags second.
2131 # Note that we do not add -Werror, because that would enable it for all
2132 # configure tests. If a configure test failed due to -Werror this would
2133 # just silently disable some features, so it's too error prone.
2134
2135 warn_flags=
2136 add_to warn_flags -Wold-style-declaration
2137 add_to warn_flags -Wold-style-definition
2138 add_to warn_flags -Wtype-limits
2139 add_to warn_flags -Wformat-security
2140 add_to warn_flags -Wformat-y2k
2141 add_to warn_flags -Winit-self
2142 add_to warn_flags -Wignored-qualifiers
2143 add_to warn_flags -Wempty-body
2144 add_to warn_flags -Wnested-externs
2145 add_to warn_flags -Wendif-labels
2146 add_to warn_flags -Wexpansion-to-defined
2147
2148 nowarn_flags=
2149 add_to nowarn_flags -Wno-initializer-overrides
2150 add_to nowarn_flags -Wno-missing-include-dirs
2151 add_to nowarn_flags -Wno-shift-negative-value
2152 add_to nowarn_flags -Wno-string-plus-int
2153 add_to nowarn_flags -Wno-typedef-redefinition
2154 add_to nowarn_flags -Wno-tautological-type-limit-compare
2155 add_to nowarn_flags -Wno-psabi
2156
2157 gcc_flags="$warn_flags $nowarn_flags"
2158
2159 cc_has_warning_flag() {
2160     write_c_skeleton;
2161
2162     # Use the positive sense of the flag when testing for -Wno-wombat
2163     # support (gcc will happily accept the -Wno- form of unknown
2164     # warning options).
2165     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2166     compile_prog "-Werror $optflag" ""
2167 }
2168
2169 for flag in $gcc_flags; do
2170     if cc_has_warning_flag $flag ; then
2171         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2172     fi
2173 done
2174
2175 if test "$stack_protector" != "no"; then
2176   cat > $TMPC << EOF
2177 int main(int argc, char *argv[])
2178 {
2179     char arr[64], *p = arr, *c = argv[0];
2180     while (*c) {
2181         *p++ = *c++;
2182     }
2183     return 0;
2184 }
2185 EOF
2186   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2187   sp_on=0
2188   for flag in $gcc_flags; do
2189     # We need to check both a compile and a link, since some compiler
2190     # setups fail only on a .c->.o compile and some only at link time
2191     if compile_object "-Werror $flag" &&
2192        compile_prog "-Werror $flag" ""; then
2193       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2194       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2195       sp_on=1
2196       break
2197     fi
2198   done
2199   if test "$stack_protector" = yes; then
2200     if test $sp_on = 0; then
2201       error_exit "Stack protector not supported"
2202     fi
2203   fi
2204 fi
2205
2206 # Disable -Wmissing-braces on older compilers that warn even for
2207 # the "universal" C zero initializer {0}.
2208 cat > $TMPC << EOF
2209 struct {
2210   int a[2];
2211 } x = {0};
2212 EOF
2213 if compile_object "-Werror" "" ; then
2214   :
2215 else
2216   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2217 fi
2218
2219 # Our module code doesn't support Windows
2220 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2221   error_exit "Modules are not available for Windows"
2222 fi
2223
2224 # module_upgrades is only reasonable if modules are enabled
2225 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2226   error_exit "Can't enable module-upgrades as Modules are not enabled"
2227 fi
2228
2229 # Static linking is not possible with modules or PIE
2230 if test "$static" = "yes" ; then
2231   if test "$modules" = "yes" ; then
2232     error_exit "static and modules are mutually incompatible"
2233   fi
2234 fi
2235
2236 # Unconditional check for compiler __thread support
2237   cat > $TMPC << EOF
2238 static __thread int tls_var;
2239 int main(void) { return tls_var; }
2240 EOF
2241
2242 if ! compile_prog "-Werror" "" ; then
2243     error_exit "Your compiler does not support the __thread specifier for " \
2244         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2245 fi
2246
2247 cat > $TMPC << EOF
2248
2249 #ifdef __linux__
2250 #  define THREAD __thread
2251 #else
2252 #  define THREAD
2253 #endif
2254 static THREAD int tls_var;
2255 int main(void) { return tls_var; }
2256 EOF
2257
2258 # Check we support --no-pie first; we will need this for building ROMs.
2259 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2260   CFLAGS_NOPIE="-fno-pie"
2261   LDFLAGS_NOPIE="-no-pie"
2262 fi
2263
2264 if test "$static" = "yes"; then
2265   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2266     CFLAGS="-fPIE -DPIE $CFLAGS"
2267     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2268     pie="yes"
2269   elif test "$pie" = "yes"; then
2270     error_exit "-static-pie not available due to missing toolchain support"
2271   else
2272     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2273     pie="no"
2274   fi
2275 elif test "$pie" = "no"; then
2276   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2277   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2278 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2279   CFLAGS="-fPIE -DPIE $CFLAGS"
2280   LDFLAGS="-pie $LDFLAGS"
2281   pie="yes"
2282 elif test "$pie" = "yes"; then
2283   error_exit "PIE not available due to missing toolchain support"
2284 else
2285   echo "Disabling PIE due to missing toolchain support"
2286   pie="no"
2287 fi
2288
2289 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2290 # The combination is known as "full relro", because .got.plt is read-only too.
2291 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2292   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2293 fi
2294
2295 ##########################################
2296 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2297 # use i686 as default anyway, but for those that don't, an explicit
2298 # specification is necessary
2299
2300 if test "$cpu" = "i386"; then
2301   cat > $TMPC << EOF
2302 static int sfaa(int *ptr)
2303 {
2304   return __sync_fetch_and_and(ptr, 0);
2305 }
2306
2307 int main(void)
2308 {
2309   int val = 42;
2310   val = __sync_val_compare_and_swap(&val, 0, 1);
2311   sfaa(&val);
2312   return val;
2313 }
2314 EOF
2315   if ! compile_prog "" "" ; then
2316     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2317   fi
2318 fi
2319
2320 #########################################
2321 # Solaris specific configure tool chain decisions
2322
2323 if test "$solaris" = "yes" ; then
2324   if has $install; then
2325     :
2326   else
2327     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2328         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2329         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2330   fi
2331   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2332     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2333         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2334         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2335   fi
2336   if has ar; then
2337     :
2338   else
2339     if test -f /usr/ccs/bin/ar ; then
2340       error_exit "No path includes ar" \
2341           "Add /usr/ccs/bin to your path and rerun configure"
2342     fi
2343     error_exit "No path includes ar"
2344   fi
2345 fi
2346
2347 if test -z "${target_list+xxx}" ; then
2348     for target in $default_target_list; do
2349         supported_target $target 2>/dev/null && \
2350             target_list="$target_list $target"
2351     done
2352     target_list="${target_list# }"
2353 else
2354     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2355     for target in $target_list; do
2356         # Check that we recognised the target name; this allows a more
2357         # friendly error message than if we let it fall through.
2358         case " $default_target_list " in
2359             *" $target "*)
2360                 ;;
2361             *)
2362                 error_exit "Unknown target name '$target'"
2363                 ;;
2364         esac
2365         supported_target $target || exit 1
2366     done
2367 fi
2368
2369 # see if system emulation was really requested
2370 case " $target_list " in
2371   *"-softmmu "*) softmmu=yes
2372   ;;
2373   *) softmmu=no
2374   ;;
2375 esac
2376
2377 for target in $target_list; do
2378   case "$target" in
2379     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2380       edk2_blobs="yes"
2381       ;;
2382   esac
2383 done
2384 # The EDK2 binaries are compressed with bzip2
2385 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2386   error_exit "The bzip2 program is required for building QEMU"
2387 fi
2388
2389 feature_not_found() {
2390   feature=$1
2391   remedy=$2
2392
2393   error_exit "User requested feature $feature" \
2394       "configure was not able to find it." \
2395       "$remedy"
2396 }
2397
2398 # ---
2399 # big/little endian test
2400 cat > $TMPC << EOF
2401 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2402 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2403 extern int foo(short *, short *);
2404 int main(int argc, char *argv[]) {
2405     return foo(big_endian, little_endian);
2406 }
2407 EOF
2408
2409 if compile_object ; then
2410     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2411         bigendian="yes"
2412     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2413         bigendian="no"
2414     else
2415         echo big/little test failed
2416     fi
2417 else
2418     echo big/little test failed
2419 fi
2420
2421 ##########################################
2422 # system tools
2423 if test -z "$want_tools"; then
2424     if test "$softmmu" = "no"; then
2425         want_tools=no
2426     else
2427         want_tools=yes
2428     fi
2429 fi
2430
2431 ##########################################
2432 # cocoa implies not SDL or GTK
2433 # (the cocoa UI code currently assumes it is always the active UI
2434 # and doesn't interact well with other UI frontend code)
2435 if test "$cocoa" = "yes"; then
2436     if test "$sdl" = "yes"; then
2437         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2438     fi
2439     if test "$gtk" = "yes"; then
2440         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2441     fi
2442     gtk=no
2443     sdl=disabled
2444 fi
2445
2446 # Some versions of Mac OS X incorrectly define SIZE_MAX
2447 cat > $TMPC << EOF
2448 #include <stdint.h>
2449 #include <stdio.h>
2450 int main(int argc, char *argv[]) {
2451     return printf("%zu", SIZE_MAX);
2452 }
2453 EOF
2454 have_broken_size_max=no
2455 if ! compile_object -Werror ; then
2456     have_broken_size_max=yes
2457 fi
2458
2459 ##########################################
2460 # L2TPV3 probe
2461
2462 cat > $TMPC <<EOF
2463 #include <sys/socket.h>
2464 #include <linux/ip.h>
2465 int main(void) { return sizeof(struct mmsghdr); }
2466 EOF
2467 if compile_prog "" "" ; then
2468   l2tpv3=yes
2469 else
2470   l2tpv3=no
2471 fi
2472
2473 if check_include "pty.h" ; then
2474   pty_h=yes
2475 else
2476   pty_h=no
2477 fi
2478
2479 cat > $TMPC <<EOF
2480 #include <sys/mman.h>
2481 int main(int argc, char *argv[]) {
2482     return mlockall(MCL_FUTURE);
2483 }
2484 EOF
2485 if compile_prog "" "" ; then
2486   have_mlockall=yes
2487 else
2488   have_mlockall=no
2489 fi
2490
2491 #########################################
2492 # vhost interdependencies and host support
2493
2494 # vhost backends
2495 test "$vhost_user" = "" && vhost_user=yes
2496 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2497   error_exit "vhost-user isn't available on win32"
2498 fi
2499 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2500 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2501   error_exit "vhost-vdpa is only available on Linux"
2502 fi
2503 test "$vhost_kernel" = "" && vhost_kernel=$linux
2504 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2505   error_exit "vhost-kernel is only available on Linux"
2506 fi
2507
2508 # vhost-kernel devices
2509 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2510 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2511   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2512 fi
2513 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2514 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2515   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2516 fi
2517
2518 # vhost-user backends
2519 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2520 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2521   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2522 fi
2523 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2524 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2525   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2526 fi
2527 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2528 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2529   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2530 fi
2531 #vhost-vdpa backends
2532 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2533 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2534   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2535 fi
2536
2537 # OR the vhost-kernel and vhost-user values for simplicity
2538 if test "$vhost_net" = ""; then
2539   test "$vhost_net_user" = "yes" && vhost_net=yes
2540   test "$vhost_kernel" = "yes" && vhost_net=yes
2541 fi
2542
2543 ##########################################
2544 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2545
2546 if test "$mingw32" = "yes"; then
2547     # Some versions of MinGW / Mingw-w64 lack localtime_r
2548     # and gmtime_r entirely.
2549     #
2550     # Some versions of Mingw-w64 define a macro for
2551     # localtime_r/gmtime_r.
2552     #
2553     # Some versions of Mingw-w64 will define functions
2554     # for localtime_r/gmtime_r, but only if you have
2555     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2556     # though, unistd.h and pthread.h both define
2557     # that for you.
2558     #
2559     # So this #undef localtime_r and #include <unistd.h>
2560     # are not in fact redundant.
2561 cat > $TMPC << EOF
2562 #include <unistd.h>
2563 #include <time.h>
2564 #undef localtime_r
2565 int main(void) { localtime_r(NULL, NULL); return 0; }
2566 EOF
2567     if compile_prog "" "" ; then
2568         localtime_r="yes"
2569     else
2570         localtime_r="no"
2571     fi
2572 fi
2573
2574 ##########################################
2575 # pkg-config probe
2576
2577 if ! has "$pkg_config_exe"; then
2578   error_exit "pkg-config binary '$pkg_config_exe' not found"
2579 fi
2580
2581 ##########################################
2582 # NPTL probe
2583
2584 if test "$linux_user" = "yes"; then
2585   cat > $TMPC <<EOF
2586 #include <sched.h>
2587 #include <linux/futex.h>
2588 int main(void) {
2589 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2590 #error bork
2591 #endif
2592   return 0;
2593 }
2594 EOF
2595   if ! compile_object ; then
2596     feature_not_found "nptl" "Install glibc and linux kernel headers."
2597   fi
2598 fi
2599
2600 ##########################################
2601 # lzo check
2602
2603 if test "$lzo" != "no" ; then
2604     cat > $TMPC << EOF
2605 #include <lzo/lzo1x.h>
2606 int main(void) { lzo_version(); return 0; }
2607 EOF
2608     if compile_prog "" "-llzo2" ; then
2609         lzo_libs="-llzo2"
2610         lzo="yes"
2611     else
2612         if test "$lzo" = "yes"; then
2613             feature_not_found "liblzo2" "Install liblzo2 devel"
2614         fi
2615         lzo="no"
2616     fi
2617 fi
2618
2619 ##########################################
2620 # snappy check
2621
2622 if test "$snappy" != "no" ; then
2623     cat > $TMPC << EOF
2624 #include <snappy-c.h>
2625 int main(void) { snappy_max_compressed_length(4096); return 0; }
2626 EOF
2627     if compile_prog "" "-lsnappy" ; then
2628         snappy_libs='-lsnappy'
2629         snappy="yes"
2630     else
2631         if test "$snappy" = "yes"; then
2632             feature_not_found "libsnappy" "Install libsnappy devel"
2633         fi
2634         snappy="no"
2635     fi
2636 fi
2637
2638 ##########################################
2639 # bzip2 check
2640
2641 if test "$bzip2" != "no" ; then
2642     cat > $TMPC << EOF
2643 #include <bzlib.h>
2644 int main(void) { BZ2_bzlibVersion(); return 0; }
2645 EOF
2646     if compile_prog "" "-lbz2" ; then
2647         bzip2="yes"
2648     else
2649         if test "$bzip2" = "yes"; then
2650             feature_not_found "libbzip2" "Install libbzip2 devel"
2651         fi
2652         bzip2="no"
2653     fi
2654 fi
2655
2656 ##########################################
2657 # lzfse check
2658
2659 if test "$lzfse" != "no" ; then
2660     cat > $TMPC << EOF
2661 #include <lzfse.h>
2662 int main(void) { lzfse_decode_scratch_size(); return 0; }
2663 EOF
2664     if compile_prog "" "-llzfse" ; then
2665         lzfse="yes"
2666     else
2667         if test "$lzfse" = "yes"; then
2668             feature_not_found "lzfse" "Install lzfse devel"
2669         fi
2670         lzfse="no"
2671     fi
2672 fi
2673
2674 ##########################################
2675 # zstd check
2676
2677 if test "$zstd" != "no" ; then
2678     libzstd_minver="1.4.0"
2679     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2680         zstd_cflags="$($pkg_config --cflags libzstd)"
2681         zstd_libs="$($pkg_config --libs libzstd)"
2682         zstd="yes"
2683     else
2684         if test "$zstd" = "yes" ; then
2685             feature_not_found "libzstd" "Install libzstd devel"
2686         fi
2687         zstd="no"
2688     fi
2689 fi
2690
2691 ##########################################
2692 # libseccomp check
2693
2694 if test "$seccomp" != "no" ; then
2695     libseccomp_minver="2.3.0"
2696     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2697         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2698         seccomp_libs="$($pkg_config --libs libseccomp)"
2699         seccomp="yes"
2700     else
2701         if test "$seccomp" = "yes" ; then
2702             feature_not_found "libseccomp" \
2703                  "Install libseccomp devel >= $libseccomp_minver"
2704         fi
2705         seccomp="no"
2706     fi
2707 fi
2708 ##########################################
2709 # xen probe
2710
2711 if test "$xen" != "no" ; then
2712   # Check whether Xen library path is specified via --extra-ldflags to avoid
2713   # overriding this setting with pkg-config output. If not, try pkg-config
2714   # to obtain all needed flags.
2715
2716   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2717      $pkg_config --exists xencontrol ; then
2718     xen_ctrl_version="$(printf '%d%02d%02d' \
2719       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2720     xen=yes
2721     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2722     xen_pc="$xen_pc xenevtchn xendevicemodel"
2723     if $pkg_config --exists xentoolcore; then
2724       xen_pc="$xen_pc xentoolcore"
2725     fi
2726     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2727     xen_cflags="$($pkg_config --cflags $xen_pc)"
2728     xen_libs="$($pkg_config --libs $xen_pc)"
2729   else
2730
2731     xen_libs="-lxenstore -lxenctrl -lxenguest"
2732     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2733
2734     # First we test whether Xen headers and libraries are available.
2735     # If no, we are done and there is no Xen support.
2736     # If yes, more tests are run to detect the Xen version.
2737
2738     # Xen (any)
2739     cat > $TMPC <<EOF
2740 #include <xenctrl.h>
2741 int main(void) {
2742   return 0;
2743 }
2744 EOF
2745     if ! compile_prog "" "$xen_libs" ; then
2746       # Xen not found
2747       if test "$xen" = "yes" ; then
2748         feature_not_found "xen" "Install xen devel"
2749       fi
2750       xen=no
2751
2752     # Xen unstable
2753     elif
2754         cat > $TMPC <<EOF &&
2755 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2756 #define __XEN_TOOLS__
2757 #include <xendevicemodel.h>
2758 #include <xenforeignmemory.h>
2759 int main(void) {
2760   xendevicemodel_handle *xd;
2761   xenforeignmemory_handle *xfmem;
2762
2763   xd = xendevicemodel_open(0, 0);
2764   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2765
2766   xfmem = xenforeignmemory_open(0, 0);
2767   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2768
2769   return 0;
2770 }
2771 EOF
2772         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2773       then
2774       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2775       xen_ctrl_version=41100
2776       xen=yes
2777     elif
2778         cat > $TMPC <<EOF &&
2779 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2780 #include <xenforeignmemory.h>
2781 #include <xentoolcore.h>
2782 int main(void) {
2783   xenforeignmemory_handle *xfmem;
2784
2785   xfmem = xenforeignmemory_open(0, 0);
2786   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2787   xentoolcore_restrict_all(0);
2788
2789   return 0;
2790 }
2791 EOF
2792         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2793       then
2794       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2795       xen_ctrl_version=41000
2796       xen=yes
2797     elif
2798         cat > $TMPC <<EOF &&
2799 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2800 #define __XEN_TOOLS__
2801 #include <xendevicemodel.h>
2802 int main(void) {
2803   xendevicemodel_handle *xd;
2804
2805   xd = xendevicemodel_open(0, 0);
2806   xendevicemodel_close(xd);
2807
2808   return 0;
2809 }
2810 EOF
2811         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2812       then
2813       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2814       xen_ctrl_version=40900
2815       xen=yes
2816     elif
2817         cat > $TMPC <<EOF &&
2818 /*
2819  * If we have stable libs the we don't want the libxc compat
2820  * layers, regardless of what CFLAGS we may have been given.
2821  *
2822  * Also, check if xengnttab_grant_copy_segment_t is defined and
2823  * grant copy operation is implemented.
2824  */
2825 #undef XC_WANT_COMPAT_EVTCHN_API
2826 #undef XC_WANT_COMPAT_GNTTAB_API
2827 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2828 #include <xenctrl.h>
2829 #include <xenstore.h>
2830 #include <xenevtchn.h>
2831 #include <xengnttab.h>
2832 #include <xenforeignmemory.h>
2833 #include <stdint.h>
2834 #include <xen/hvm/hvm_info_table.h>
2835 #if !defined(HVM_MAX_VCPUS)
2836 # error HVM_MAX_VCPUS not defined
2837 #endif
2838 int main(void) {
2839   xc_interface *xc = NULL;
2840   xenforeignmemory_handle *xfmem;
2841   xenevtchn_handle *xe;
2842   xengnttab_handle *xg;
2843   xengnttab_grant_copy_segment_t* seg = NULL;
2844
2845   xs_daemon_open();
2846
2847   xc = xc_interface_open(0, 0, 0);
2848   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2849   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2850   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2851   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2852
2853   xfmem = xenforeignmemory_open(0, 0);
2854   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2855
2856   xe = xenevtchn_open(0, 0);
2857   xenevtchn_fd(xe);
2858
2859   xg = xengnttab_open(0, 0);
2860   xengnttab_grant_copy(xg, 0, seg);
2861
2862   return 0;
2863 }
2864 EOF
2865         compile_prog "" "$xen_libs $xen_stable_libs"
2866       then
2867       xen_ctrl_version=40800
2868       xen=yes
2869     elif
2870         cat > $TMPC <<EOF &&
2871 /*
2872  * If we have stable libs the we don't want the libxc compat
2873  * layers, regardless of what CFLAGS we may have been given.
2874  */
2875 #undef XC_WANT_COMPAT_EVTCHN_API
2876 #undef XC_WANT_COMPAT_GNTTAB_API
2877 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2878 #include <xenctrl.h>
2879 #include <xenstore.h>
2880 #include <xenevtchn.h>
2881 #include <xengnttab.h>
2882 #include <xenforeignmemory.h>
2883 #include <stdint.h>
2884 #include <xen/hvm/hvm_info_table.h>
2885 #if !defined(HVM_MAX_VCPUS)
2886 # error HVM_MAX_VCPUS not defined
2887 #endif
2888 int main(void) {
2889   xc_interface *xc = NULL;
2890   xenforeignmemory_handle *xfmem;
2891   xenevtchn_handle *xe;
2892   xengnttab_handle *xg;
2893
2894   xs_daemon_open();
2895
2896   xc = xc_interface_open(0, 0, 0);
2897   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2898   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2899   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2900   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2901
2902   xfmem = xenforeignmemory_open(0, 0);
2903   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2904
2905   xe = xenevtchn_open(0, 0);
2906   xenevtchn_fd(xe);
2907
2908   xg = xengnttab_open(0, 0);
2909   xengnttab_map_grant_ref(xg, 0, 0, 0);
2910
2911   return 0;
2912 }
2913 EOF
2914         compile_prog "" "$xen_libs $xen_stable_libs"
2915       then
2916       xen_ctrl_version=40701
2917       xen=yes
2918
2919     # Xen 4.6
2920     elif
2921         cat > $TMPC <<EOF &&
2922 #include <xenctrl.h>
2923 #include <xenstore.h>
2924 #include <stdint.h>
2925 #include <xen/hvm/hvm_info_table.h>
2926 #if !defined(HVM_MAX_VCPUS)
2927 # error HVM_MAX_VCPUS not defined
2928 #endif
2929 int main(void) {
2930   xc_interface *xc;
2931   xs_daemon_open();
2932   xc = xc_interface_open(0, 0, 0);
2933   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2934   xc_gnttab_open(NULL, 0);
2935   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2936   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2937   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2938   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2939   return 0;
2940 }
2941 EOF
2942         compile_prog "" "$xen_libs"
2943       then
2944       xen_ctrl_version=40600
2945       xen=yes
2946
2947     # Xen 4.5
2948     elif
2949         cat > $TMPC <<EOF &&
2950 #include <xenctrl.h>
2951 #include <xenstore.h>
2952 #include <stdint.h>
2953 #include <xen/hvm/hvm_info_table.h>
2954 #if !defined(HVM_MAX_VCPUS)
2955 # error HVM_MAX_VCPUS not defined
2956 #endif
2957 int main(void) {
2958   xc_interface *xc;
2959   xs_daemon_open();
2960   xc = xc_interface_open(0, 0, 0);
2961   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2962   xc_gnttab_open(NULL, 0);
2963   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2964   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2965   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2966   return 0;
2967 }
2968 EOF
2969         compile_prog "" "$xen_libs"
2970       then
2971       xen_ctrl_version=40500
2972       xen=yes
2973
2974     elif
2975         cat > $TMPC <<EOF &&
2976 #include <xenctrl.h>
2977 #include <xenstore.h>
2978 #include <stdint.h>
2979 #include <xen/hvm/hvm_info_table.h>
2980 #if !defined(HVM_MAX_VCPUS)
2981 # error HVM_MAX_VCPUS not defined
2982 #endif
2983 int main(void) {
2984   xc_interface *xc;
2985   xs_daemon_open();
2986   xc = xc_interface_open(0, 0, 0);
2987   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2988   xc_gnttab_open(NULL, 0);
2989   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2990   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2991   return 0;
2992 }
2993 EOF
2994         compile_prog "" "$xen_libs"
2995       then
2996       xen_ctrl_version=40200
2997       xen=yes
2998
2999     else
3000       if test "$xen" = "yes" ; then
3001         feature_not_found "xen (unsupported version)" \
3002                           "Install a supported xen (xen 4.2 or newer)"
3003       fi
3004       xen=no
3005     fi
3006
3007     if test "$xen" = yes; then
3008       if test $xen_ctrl_version -ge 40701  ; then
3009         xen_libs="$xen_libs $xen_stable_libs "
3010       fi
3011     fi
3012   fi
3013 fi
3014
3015 if test "$xen_pci_passthrough" != "no"; then
3016   if test "$xen" = "yes" && test "$linux" = "yes"; then
3017     xen_pci_passthrough=yes
3018   else
3019     if test "$xen_pci_passthrough" = "yes"; then
3020       error_exit "User requested feature Xen PCI Passthrough" \
3021           " but this feature requires /sys from Linux"
3022     fi
3023     xen_pci_passthrough=no
3024   fi
3025 fi
3026
3027 ##########################################
3028 # Windows Hypervisor Platform accelerator (WHPX) check
3029 if test "$whpx" != "no" ; then
3030     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3031         whpx="yes"
3032     else
3033         if test "$whpx" = "yes"; then
3034             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3035         fi
3036         whpx="no"
3037     fi
3038 fi
3039
3040 ##########################################
3041 # gettext probe
3042 if test "$gettext" != "false" ; then
3043   if has xgettext; then
3044     gettext=true
3045   else
3046     if test "$gettext" = "true" ; then
3047       feature_not_found "gettext" "Install xgettext binary"
3048     fi
3049     gettext=false
3050   fi
3051 fi
3052
3053 ##########################################
3054 # Sparse probe
3055 if test "$sparse" != "no" ; then
3056   if has sparse; then
3057     sparse=yes
3058   else
3059     if test "$sparse" = "yes" ; then
3060       feature_not_found "sparse" "Install sparse binary"
3061     fi
3062     sparse=no
3063   fi
3064 fi
3065
3066 ##########################################
3067 # X11 probe
3068 if $pkg_config --exists "x11"; then
3069     have_x11=yes
3070     x11_cflags=$($pkg_config --cflags x11)
3071     x11_libs=$($pkg_config --libs x11)
3072 fi
3073
3074 ##########################################
3075 # GTK probe
3076
3077 if test "$gtk" != "no"; then
3078     gtkpackage="gtk+-3.0"
3079     gtkx11package="gtk+-x11-3.0"
3080     gtkversion="3.22.0"
3081     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3082         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3083         gtk_libs=$($pkg_config --libs $gtkpackage)
3084         gtk_version=$($pkg_config --modversion $gtkpackage)
3085         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3086             need_x11=yes
3087             gtk_cflags="$gtk_cflags $x11_cflags"
3088             gtk_libs="$gtk_libs $x11_libs"
3089         fi
3090         gtk="yes"
3091     elif test "$gtk" = "yes"; then
3092         feature_not_found "gtk" "Install gtk3-devel"
3093     else
3094         gtk="no"
3095     fi
3096 fi
3097
3098
3099 ##########################################
3100 # GNUTLS probe
3101
3102 if test "$gnutls" != "no"; then
3103     pass="no"
3104     if $pkg_config --exists "gnutls >= 3.1.18"; then
3105         gnutls_cflags=$($pkg_config --cflags gnutls)
3106         gnutls_libs=$($pkg_config --libs gnutls)
3107         # Packaging for the static libraries is not always correct.
3108         # At least ubuntu 18.04 ships only shared libraries.
3109         write_c_skeleton
3110         if compile_prog "" "$gnutls_libs" ; then
3111             LIBS="$gnutls_libs $LIBS"
3112             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3113             pass="yes"
3114         fi
3115     fi
3116     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3117         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3118     else
3119         gnutls="$pass"
3120     fi
3121 fi
3122
3123
3124 # If user didn't give a --disable/enable-gcrypt flag,
3125 # then mark as disabled if user requested nettle
3126 # explicitly
3127 if test -z "$gcrypt"
3128 then
3129     if test "$nettle" = "yes"
3130     then
3131         gcrypt="no"
3132     fi
3133 fi
3134
3135 # If user didn't give a --disable/enable-nettle flag,
3136 # then mark as disabled if user requested gcrypt
3137 # explicitly
3138 if test -z "$nettle"
3139 then
3140     if test "$gcrypt" = "yes"
3141     then
3142         nettle="no"
3143     fi
3144 fi
3145
3146 has_libgcrypt() {
3147     if ! has "libgcrypt-config"
3148     then
3149         return 1
3150     fi
3151
3152     if test -n "$cross_prefix"
3153     then
3154         host=$(libgcrypt-config --host)
3155         if test "$host-" != $cross_prefix
3156         then
3157             return 1
3158         fi
3159     fi
3160
3161     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3162     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3163
3164     if test $maj != 1 || test $min -lt 5
3165     then
3166        return 1
3167     fi
3168
3169     return 0
3170 }
3171
3172
3173 if test "$nettle" != "no"; then
3174     pass="no"
3175     if $pkg_config --exists "nettle >= 2.7.1"; then
3176         nettle_cflags=$($pkg_config --cflags nettle)
3177         nettle_libs=$($pkg_config --libs nettle)
3178         nettle_version=$($pkg_config --modversion nettle)
3179         # Link test to make sure the given libraries work (e.g for static).
3180         write_c_skeleton
3181         if compile_prog "" "$nettle_libs" ; then
3182             LIBS="$nettle_libs $LIBS"
3183             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3184             if test -z "$gcrypt"; then
3185                gcrypt="no"
3186             fi
3187             pass="yes"
3188         fi
3189     fi
3190     if test "$pass" = "yes"
3191     then
3192         cat > $TMPC << EOF
3193 #include <nettle/xts.h>
3194 int main(void) {
3195   return 0;
3196 }
3197 EOF
3198         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3199             nettle_xts=yes
3200             qemu_private_xts=no
3201         fi
3202     fi
3203     if test "$pass" = "no" && test "$nettle" = "yes"; then
3204         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3205     else
3206         nettle="$pass"
3207     fi
3208 fi
3209
3210 if test "$gcrypt" != "no"; then
3211     pass="no"
3212     if has_libgcrypt; then
3213         gcrypt_cflags=$(libgcrypt-config --cflags)
3214         gcrypt_libs=$(libgcrypt-config --libs)
3215         # Debian has removed -lgpg-error from libgcrypt-config
3216         # as it "spreads unnecessary dependencies" which in
3217         # turn breaks static builds...
3218         if test "$static" = "yes"
3219         then
3220             gcrypt_libs="$gcrypt_libs -lgpg-error"
3221         fi
3222
3223         # Link test to make sure the given libraries work (e.g for static).
3224         write_c_skeleton
3225         if compile_prog "" "$gcrypt_libs" ; then
3226             LIBS="$gcrypt_libs $LIBS"
3227             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3228             pass="yes"
3229         fi
3230     fi
3231     if test "$pass" = "yes"; then
3232         gcrypt="yes"
3233         cat > $TMPC << EOF
3234 #include <gcrypt.h>
3235 int main(void) {
3236   gcry_mac_hd_t handle;
3237   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3238                 GCRY_MAC_FLAG_SECURE, NULL);
3239   return 0;
3240 }
3241 EOF
3242         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3243             gcrypt_hmac=yes
3244         fi
3245         cat > $TMPC << EOF
3246 #include <gcrypt.h>
3247 int main(void) {
3248   gcry_cipher_hd_t handle;
3249   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3250   return 0;
3251 }
3252 EOF
3253         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3254             gcrypt_xts=yes
3255             qemu_private_xts=no
3256         fi
3257     elif test "$gcrypt" = "yes"; then
3258         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3259     else
3260         gcrypt="no"
3261     fi
3262 fi
3263
3264
3265 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3266 then
3267     error_exit "Only one of gcrypt & nettle can be enabled"
3268 fi
3269
3270 ##########################################
3271 # libtasn1 - only for the TLS creds/session test suite
3272
3273 tasn1=yes
3274 tasn1_cflags=""
3275 tasn1_libs=""
3276 if $pkg_config --exists "libtasn1"; then
3277     tasn1_cflags=$($pkg_config --cflags libtasn1)
3278     tasn1_libs=$($pkg_config --libs libtasn1)
3279 else
3280     tasn1=no
3281 fi
3282
3283
3284 ##########################################
3285 # PAM probe
3286
3287 if test "$auth_pam" != "no"; then
3288     cat > $TMPC <<EOF
3289 #include <security/pam_appl.h>
3290 #include <stdio.h>
3291 int main(void) {
3292    const char *service_name = "qemu";
3293    const char *user = "frank";
3294    const struct pam_conv pam_conv = { 0 };
3295    pam_handle_t *pamh = NULL;
3296    pam_start(service_name, user, &pam_conv, &pamh);
3297    return 0;
3298 }
3299 EOF
3300     if compile_prog "" "-lpam" ; then
3301         auth_pam=yes
3302     else
3303         if test "$auth_pam" = "yes"; then
3304             feature_not_found "PAM" "Install PAM development package"
3305         else
3306             auth_pam=no
3307         fi
3308     fi
3309 fi
3310
3311 ##########################################
3312 # getifaddrs (for tests/test-io-channel-socket )
3313
3314 have_ifaddrs_h=yes
3315 if ! check_include "ifaddrs.h" ; then
3316   have_ifaddrs_h=no
3317 fi
3318
3319 #########################################
3320 # libdrm check
3321 have_drm_h=no
3322 if check_include "libdrm/drm.h" ; then
3323     have_drm_h=yes
3324 fi
3325
3326 #########################################
3327 # sys/signal.h check
3328 have_sys_signal_h=no
3329 if check_include "sys/signal.h" ; then
3330   have_sys_signal_h=yes
3331 fi
3332
3333 ##########################################
3334 # VTE probe
3335
3336 if test "$vte" != "no"; then
3337     vteminversion="0.32.0"
3338     if $pkg_config --exists "vte-2.91"; then
3339       vtepackage="vte-2.91"
3340     else
3341       vtepackage="vte-2.90"
3342     fi
3343     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3344         vte_cflags=$($pkg_config --cflags $vtepackage)
3345         vte_libs=$($pkg_config --libs $vtepackage)
3346         vteversion=$($pkg_config --modversion $vtepackage)
3347         vte="yes"
3348     elif test "$vte" = "yes"; then
3349         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3350     else
3351         vte="no"
3352     fi
3353 fi
3354
3355 ##########################################
3356 # RDMA needs OpenFabrics libraries
3357 if test "$rdma" != "no" ; then
3358   cat > $TMPC <<EOF
3359 #include <rdma/rdma_cma.h>
3360 int main(void) { return 0; }
3361 EOF
3362   rdma_libs="-lrdmacm -libverbs -libumad"
3363   if compile_prog "" "$rdma_libs" ; then
3364     rdma="yes"
3365   else
3366     if test "$rdma" = "yes" ; then
3367         error_exit \
3368             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3369             " Your options:" \
3370             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3371             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3372             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3373     fi
3374     rdma="no"
3375   fi
3376 fi
3377
3378 ##########################################
3379 # PVRDMA detection
3380
3381 cat > $TMPC <<EOF &&
3382 #include <sys/mman.h>
3383
3384 int
3385 main(void)
3386 {
3387     char buf = 0;
3388     void *addr = &buf;
3389     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3390
3391     return 0;
3392 }
3393 EOF
3394
3395 if test "$rdma" = "yes" ; then
3396     case "$pvrdma" in
3397     "")
3398         if compile_prog "" ""; then
3399             pvrdma="yes"
3400         else
3401             pvrdma="no"
3402         fi
3403         ;;
3404     "yes")
3405         if ! compile_prog "" ""; then
3406             error_exit "PVRDMA is not supported since mremap is not implemented"
3407         fi
3408         pvrdma="yes"
3409         ;;
3410     "no")
3411         pvrdma="no"
3412         ;;
3413     esac
3414 else
3415     if test "$pvrdma" = "yes" ; then
3416         error_exit "PVRDMA requires rdma suppport"
3417     fi
3418     pvrdma="no"
3419 fi
3420
3421 # Let's see if enhanced reg_mr is supported
3422 if test "$pvrdma" = "yes" ; then
3423
3424 cat > $TMPC <<EOF &&
3425 #include <infiniband/verbs.h>
3426
3427 int
3428 main(void)
3429 {
3430     struct ibv_mr *mr;
3431     struct ibv_pd *pd = NULL;
3432     size_t length = 10;
3433     uint64_t iova = 0;
3434     int access = 0;
3435     void *addr = NULL;
3436
3437     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3438
3439     ibv_dereg_mr(mr);
3440
3441     return 0;
3442 }
3443 EOF
3444     if ! compile_prog "" "-libverbs"; then
3445         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3446     fi
3447 fi
3448
3449 ##########################################
3450 # xfsctl() probe, used for file-posix.c
3451 if test "$xfs" != "no" ; then
3452   cat > $TMPC << EOF
3453 #include <stddef.h>  /* NULL */
3454 #include <xfs/xfs.h>
3455 int main(void)
3456 {
3457     xfsctl(NULL, 0, 0, NULL);
3458     return 0;
3459 }
3460 EOF
3461   if compile_prog "" "" ; then
3462     xfs="yes"
3463   else
3464     if test "$xfs" = "yes" ; then
3465       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3466     fi
3467     xfs=no
3468   fi
3469 fi
3470
3471 ##########################################
3472 # vde libraries probe
3473 if test "$vde" != "no" ; then
3474   vde_libs="-lvdeplug"
3475   cat > $TMPC << EOF
3476 #include <libvdeplug.h>
3477 int main(void)
3478 {
3479     struct vde_open_args a = {0, 0, 0};
3480     char s[] = "";
3481     vde_open(s, s, &a);
3482     return 0;
3483 }
3484 EOF
3485   if compile_prog "" "$vde_libs" ; then
3486     vde=yes
3487   else
3488     if test "$vde" = "yes" ; then
3489       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3490     fi
3491     vde=no
3492   fi
3493 fi
3494
3495 ##########################################
3496 # netmap support probe
3497 # Apart from looking for netmap headers, we make sure that the host API version
3498 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3499 # a minor/major version number. Minor new features will be marked with values up
3500 # to 15, and if something happens that requires a change to the backend we will
3501 # move above 15, submit the backend fixes and modify this two bounds.
3502 if test "$netmap" != "no" ; then
3503   cat > $TMPC << EOF
3504 #include <inttypes.h>
3505 #include <net/if.h>
3506 #include <net/netmap.h>
3507 #include <net/netmap_user.h>
3508 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3509 #error
3510 #endif
3511 int main(void) { return 0; }
3512 EOF
3513   if compile_prog "" "" ; then
3514     netmap=yes
3515   else
3516     if test "$netmap" = "yes" ; then
3517       feature_not_found "netmap"
3518     fi
3519     netmap=no
3520   fi
3521 fi
3522
3523 ##########################################
3524 # libcap-ng library probe
3525 if test "$cap_ng" != "no" ; then
3526   cap_libs="-lcap-ng"
3527   cat > $TMPC << EOF
3528 #include <cap-ng.h>
3529 int main(void)
3530 {
3531     capng_capability_to_name(CAPNG_EFFECTIVE);
3532     return 0;
3533 }
3534 EOF
3535   if compile_prog "" "$cap_libs" ; then
3536     cap_ng=yes
3537   else
3538     if test "$cap_ng" = "yes" ; then
3539       feature_not_found "cap_ng" "Install libcap-ng devel"
3540     fi
3541     cap_ng=no
3542   fi
3543 fi
3544
3545 ##########################################
3546 # Sound support libraries probe
3547
3548 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3549 for drv in $audio_drv_list; do
3550     case $drv in
3551     alsa | try-alsa)
3552     if $pkg_config alsa --exists; then
3553         alsa_libs=$($pkg_config alsa --libs)
3554         alsa_cflags=$($pkg_config alsa --cflags)
3555         alsa=yes
3556         if test "$drv" = "try-alsa"; then
3557             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3558         fi
3559     else
3560         if test "$drv" = "try-alsa"; then
3561             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3562         else
3563             error_exit "$drv check failed" \
3564                 "Make sure to have the $drv libs and headers installed."
3565         fi
3566     fi
3567     ;;
3568
3569     pa | try-pa)
3570     if $pkg_config libpulse --exists; then
3571         libpulse=yes
3572         pulse_libs=$($pkg_config libpulse --libs)
3573         pulse_cflags=$($pkg_config libpulse --cflags)
3574         if test "$drv" = "try-pa"; then
3575             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3576         fi
3577     else
3578         if test "$drv" = "try-pa"; then
3579             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3580         else
3581             error_exit "$drv check failed" \
3582                 "Make sure to have the $drv libs and headers installed."
3583         fi
3584     fi
3585     ;;
3586
3587     sdl)
3588     if test "$sdl" = "no"; then
3589         error_exit "sdl not found or disabled, can not use sdl audio driver"
3590     fi
3591     ;;
3592
3593     try-sdl)
3594     if test "$sdl" = "no"; then
3595         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3596     else
3597         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3598     fi
3599     ;;
3600
3601     coreaudio)
3602       coreaudio_libs="-framework CoreAudio"
3603     ;;
3604
3605     dsound)
3606       dsound_libs="-lole32 -ldxguid"
3607       audio_win_int="yes"
3608     ;;
3609
3610     oss)
3611       oss_libs="$oss_lib"
3612     ;;
3613
3614     jack | try-jack)
3615     if $pkg_config jack --exists; then
3616         libjack=yes
3617         jack_libs=$($pkg_config jack --libs)
3618         if test "$drv" = "try-jack"; then
3619             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3620         fi
3621     else
3622         if test "$drv" = "try-jack"; then
3623             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3624         else
3625             error_exit "$drv check failed" \
3626                 "Make sure to have the $drv libs and headers installed."
3627         fi
3628     fi
3629     ;;
3630
3631     *)
3632     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3633         error_exit "Unknown driver '$drv' selected" \
3634             "Possible drivers are: $audio_possible_drivers"
3635     }
3636     ;;
3637     esac
3638 done
3639
3640 ##########################################
3641 # BrlAPI probe
3642
3643 if test "$brlapi" != "no" ; then
3644   brlapi_libs="-lbrlapi"
3645   cat > $TMPC << EOF
3646 #include <brlapi.h>
3647 #include <stddef.h>
3648 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3649 EOF
3650   if compile_prog "" "$brlapi_libs" ; then
3651     brlapi=yes
3652   else
3653     if test "$brlapi" = "yes" ; then
3654       feature_not_found "brlapi" "Install brlapi devel"
3655     fi
3656     brlapi=no
3657   fi
3658 fi
3659
3660 ##########################################
3661 # iconv probe
3662 if test "$iconv" != "no" ; then
3663   cat > $TMPC << EOF
3664 #include <iconv.h>
3665 int main(void) {
3666   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3667   return conv != (iconv_t) -1;
3668 }
3669 EOF
3670   iconv_prefix_list="/usr/local:/usr"
3671   iconv_lib_list=":-liconv"
3672   IFS=:
3673   for iconv_prefix in $iconv_prefix_list; do
3674     IFS=:
3675     iconv_cflags="-I$iconv_prefix/include"
3676     iconv_ldflags="-L$iconv_prefix/lib"
3677     for iconv_link in $iconv_lib_list; do
3678       unset IFS
3679       iconv_lib="$iconv_ldflags $iconv_link"
3680       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3681       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3682         iconv_found=yes
3683         break
3684       fi
3685     done
3686     if test "$iconv_found" = yes ; then
3687       break
3688     fi
3689   done
3690   if test "$iconv_found" = "yes" ; then
3691     iconv=yes
3692   else
3693     if test "$iconv" = "yes" ; then
3694       feature_not_found "iconv" "Install iconv devel"
3695     fi
3696     iconv=no
3697   fi
3698 fi
3699
3700 ##########################################
3701 # curses probe
3702 if test "$iconv" = "no" ; then
3703   # curses will need iconv
3704   curses=no
3705 fi
3706 if test "$curses" != "no" ; then
3707   if test "$mingw32" = "yes" ; then
3708     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3709     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3710   else
3711     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3712     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3713   fi
3714   curses_found=no
3715   cat > $TMPC << EOF
3716 #include <locale.h>
3717 #include <curses.h>
3718 #include <wchar.h>
3719 #include <langinfo.h>
3720 int main(void) {
3721   const char *codeset;
3722   wchar_t wch = L'w';
3723   setlocale(LC_ALL, "");
3724   resize_term(0, 0);
3725   addwstr(L"wide chars\n");
3726   addnwstr(&wch, 1);
3727   add_wch(WACS_DEGREE);
3728   codeset = nl_langinfo(CODESET);
3729   return codeset != 0;
3730 }
3731 EOF
3732   IFS=:
3733   for curses_inc in $curses_inc_list; do
3734     # Make sure we get the wide character prototypes
3735     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3736     IFS=:
3737     for curses_lib in $curses_lib_list; do
3738       unset IFS
3739       if compile_prog "$curses_inc" "$curses_lib" ; then
3740         curses_found=yes
3741         break
3742       fi
3743     done
3744     if test "$curses_found" = yes ; then
3745       break
3746     fi
3747   done
3748   unset IFS
3749   if test "$curses_found" = "yes" ; then
3750     curses=yes
3751   else
3752     if test "$curses" = "yes" ; then
3753       feature_not_found "curses" "Install ncurses devel"
3754     fi
3755     curses=no
3756   fi
3757 fi
3758
3759 ##########################################
3760 # curl probe
3761 if test "$curl" != "no" ; then
3762   if $pkg_config libcurl --exists; then
3763     curlconfig="$pkg_config libcurl"
3764   else
3765     curlconfig=curl-config
3766   fi
3767   cat > $TMPC << EOF
3768 #include <curl/curl.h>
3769 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3770 EOF
3771   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3772   curl_libs=$($curlconfig --libs 2>/dev/null)
3773   if compile_prog "$curl_cflags" "$curl_libs" ; then
3774     curl=yes
3775   else
3776     if test "$curl" = "yes" ; then
3777       feature_not_found "curl" "Install libcurl devel"
3778     fi
3779     curl=no
3780   fi
3781 fi # test "$curl"
3782
3783 ##########################################
3784 # glib support probe
3785
3786 glib_req_ver=2.48
3787 glib_modules=gthread-2.0
3788 if test "$modules" = yes; then
3789     glib_modules="$glib_modules gmodule-export-2.0"
3790 fi
3791 if test "$plugins" = yes; then
3792     glib_modules="$glib_modules gmodule-2.0"
3793 fi
3794
3795 # This workaround is required due to a bug in pkg-config file for glib as it
3796 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3797
3798 if test "$static" = yes && test "$mingw32" = yes; then
3799     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3800 fi
3801
3802 for i in $glib_modules; do
3803     if $pkg_config --atleast-version=$glib_req_ver $i; then
3804         glib_cflags=$($pkg_config --cflags $i)
3805         glib_libs=$($pkg_config --libs $i)
3806         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3807         LIBS="$glib_libs $LIBS"
3808     else
3809         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3810     fi
3811 done
3812
3813 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3814     gio=yes
3815     gio_cflags=$($pkg_config --cflags gio-2.0)
3816     gio_libs=$($pkg_config --libs gio-2.0)
3817     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3818     if [ ! -x "$gdbus_codegen" ]; then
3819         gdbus_codegen=
3820     fi
3821 else
3822     gio=no
3823 fi
3824
3825 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3826     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3827     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3828 fi
3829
3830 # Sanity check that the current size_t matches the
3831 # size that glib thinks it should be. This catches
3832 # problems on multi-arch where people try to build
3833 # 32-bit QEMU while pointing at 64-bit glib headers
3834 cat > $TMPC <<EOF
3835 #include <glib.h>
3836 #include <unistd.h>
3837
3838 #define QEMU_BUILD_BUG_ON(x) \
3839   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3840
3841 int main(void) {
3842    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3843    return 0;
3844 }
3845 EOF
3846
3847 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3848     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3849                "You probably need to set PKG_CONFIG_LIBDIR"\
3850                "to point to the right pkg-config files for your"\
3851                "build target"
3852 fi
3853
3854 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3855 cat > $TMPC << EOF
3856 #include <glib.h>
3857 int main(void) { return 0; }
3858 EOF
3859 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3860     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3861         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3862         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
3863     fi
3864 fi
3865
3866 # Silence clang warnings triggered by glib < 2.57.2
3867 cat > $TMPC << EOF
3868 #include <glib.h>
3869 typedef struct Foo {
3870     int i;
3871 } Foo;
3872 static void foo_free(Foo *f)
3873 {
3874     g_free(f);
3875 }
3876 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3877 int main(void) { return 0; }
3878 EOF
3879 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3880     if cc_has_warning_flag "-Wno-unused-function"; then
3881         glib_cflags="$glib_cflags -Wno-unused-function"
3882         CFLAGS="$CFLAGS -Wno-unused-function"
3883     fi
3884 fi
3885
3886 #########################################
3887 # zlib check
3888
3889 if test "$zlib" != "no" ; then
3890     if $pkg_config --exists zlib; then
3891         zlib_cflags=$($pkg_config --cflags zlib)
3892         zlib_libs=$($pkg_config --libs zlib)
3893         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3894         LIBS="$zlib_libs $LIBS"
3895     else
3896         cat > $TMPC << EOF
3897 #include <zlib.h>
3898 int main(void) { zlibVersion(); return 0; }
3899 EOF
3900         if compile_prog "" "-lz" ; then
3901             zlib_libs=-lz
3902             LIBS="$LIBS $zlib_libs"
3903         else
3904             error_exit "zlib check failed" \
3905                 "Make sure to have the zlib libs and headers installed."
3906         fi
3907     fi
3908 fi
3909
3910 ##########################################
3911 # SHA command probe for modules
3912 if test "$modules" = yes; then
3913     shacmd_probe="sha1sum sha1 shasum"
3914     for c in $shacmd_probe; do
3915         if has $c; then
3916             shacmd="$c"
3917             break
3918         fi
3919     done
3920     if test "$shacmd" = ""; then
3921         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3922     fi
3923 fi
3924
3925 ##########################################
3926 # pixman support probe
3927
3928 if test "$softmmu" = "no"; then
3929   pixman_cflags=
3930   pixman_libs=
3931 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3932   pixman_cflags=$($pkg_config --cflags pixman-1)
3933   pixman_libs=$($pkg_config --libs pixman-1)
3934 else
3935   error_exit "pixman >= 0.21.8 not present." \
3936       "Please install the pixman devel package."
3937 fi
3938
3939 ##########################################
3940 # libmpathpersist probe
3941
3942 if test "$mpath" != "no" ; then
3943   # probe for the new API
3944   cat > $TMPC <<EOF
3945 #include <libudev.h>
3946 #include <mpath_persist.h>
3947 unsigned mpath_mx_alloc_len = 1024;
3948 int logsink;
3949 static struct config *multipath_conf;
3950 extern struct udev *udev;
3951 extern struct config *get_multipath_config(void);
3952 extern void put_multipath_config(struct config *conf);
3953 struct udev *udev;
3954 struct config *get_multipath_config(void) { return multipath_conf; }
3955 void put_multipath_config(struct config *conf) { }
3956
3957 int main(void) {
3958     udev = udev_new();
3959     multipath_conf = mpath_lib_init();
3960     return 0;
3961 }
3962 EOF
3963   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3964     mpathpersist=yes
3965     mpathpersist_new_api=yes
3966   else
3967     # probe for the old API
3968     cat > $TMPC <<EOF
3969 #include <libudev.h>
3970 #include <mpath_persist.h>
3971 unsigned mpath_mx_alloc_len = 1024;
3972 int logsink;
3973 int main(void) {
3974     struct udev *udev = udev_new();
3975     mpath_lib_init(udev);
3976     return 0;
3977 }
3978 EOF
3979     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3980       mpathpersist=yes
3981       mpathpersist_new_api=no
3982     else
3983       mpathpersist=no
3984     fi
3985   fi
3986 else
3987   mpathpersist=no
3988 fi
3989
3990 ##########################################
3991 # pthread probe
3992 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3993
3994 pthread=no
3995 cat > $TMPC << EOF
3996 #include <pthread.h>
3997 static void *f(void *p) { return NULL; }
3998 int main(void) {
3999   pthread_t thread;
4000   pthread_create(&thread, 0, f, 0);
4001   return 0;
4002 }
4003 EOF
4004 if compile_prog "" "" ; then
4005   pthread=yes
4006 else
4007   for pthread_lib in $PTHREADLIBS_LIST; do
4008     if compile_prog "" "$pthread_lib" ; then
4009       pthread=yes
4010       found=no
4011       for lib_entry in $LIBS; do
4012         if test "$lib_entry" = "$pthread_lib"; then
4013           found=yes
4014           break
4015         fi
4016       done
4017       if test "$found" = "no"; then
4018         LIBS="$pthread_lib $LIBS"
4019       fi
4020       PTHREAD_LIB="$pthread_lib"
4021       break
4022     fi
4023   done
4024 fi
4025
4026 if test "$mingw32" != yes && test "$pthread" = no; then
4027   error_exit "pthread check failed" \
4028       "Make sure to have the pthread libs and headers installed."
4029 fi
4030
4031 # check for pthread_setname_np with thread id
4032 pthread_setname_np_w_tid=no
4033 cat > $TMPC << EOF
4034 #include <pthread.h>
4035
4036 static void *f(void *p) { return NULL; }
4037 int main(void)
4038 {
4039     pthread_t thread;
4040     pthread_create(&thread, 0, f, 0);
4041     pthread_setname_np(thread, "QEMU");
4042     return 0;
4043 }
4044 EOF
4045 if compile_prog "" "$pthread_lib" ; then
4046   pthread_setname_np_w_tid=yes
4047 fi
4048
4049 # check for pthread_setname_np without thread id
4050 pthread_setname_np_wo_tid=no
4051 cat > $TMPC << EOF
4052 #include <pthread.h>
4053
4054 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4055 int main(void)
4056 {
4057     pthread_t thread;
4058     pthread_create(&thread, 0, f, 0);
4059     return 0;
4060 }
4061 EOF
4062 if compile_prog "" "$pthread_lib" ; then
4063   pthread_setname_np_wo_tid=yes
4064 fi
4065
4066 ##########################################
4067 # rbd probe
4068 if test "$rbd" != "no" ; then
4069   cat > $TMPC <<EOF
4070 #include <stdio.h>
4071 #include <rbd/librbd.h>
4072 int main(void) {
4073     rados_t cluster;
4074     rados_create(&cluster, NULL);
4075     return 0;
4076 }
4077 EOF
4078   rbd_libs="-lrbd -lrados"
4079   if compile_prog "" "$rbd_libs" ; then
4080     rbd=yes
4081   else
4082     if test "$rbd" = "yes" ; then
4083       feature_not_found "rados block device" "Install librbd/ceph devel"
4084     fi
4085     rbd=no
4086   fi
4087 fi
4088
4089 ##########################################
4090 # libssh probe
4091 if test "$libssh" != "no" ; then
4092   if $pkg_config --exists libssh; then
4093     libssh_cflags=$($pkg_config libssh --cflags)
4094     libssh_libs=$($pkg_config libssh --libs)
4095     libssh=yes
4096   else
4097     if test "$libssh" = "yes" ; then
4098       error_exit "libssh required for --enable-libssh"
4099     fi
4100     libssh=no
4101   fi
4102 fi
4103
4104 ##########################################
4105 # Check for libssh 0.8
4106 # This is done like this instead of using the LIBSSH_VERSION_* and
4107 # SSH_VERSION_* macros because some distributions in the past shipped
4108 # snapshots of the future 0.8 from Git, and those snapshots did not
4109 # have updated version numbers (still referring to 0.7.0).
4110
4111 if test "$libssh" = "yes"; then
4112   cat > $TMPC <<EOF
4113 #include <libssh/libssh.h>
4114 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4115 EOF
4116   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4117     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4118   fi
4119 fi
4120
4121 ##########################################
4122 # linux-aio probe
4123
4124 if test "$linux_aio" != "no" ; then
4125   cat > $TMPC <<EOF
4126 #include <libaio.h>
4127 #include <sys/eventfd.h>
4128 #include <stddef.h>
4129 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4130 EOF
4131   if compile_prog "" "-laio" ; then
4132     linux_aio=yes
4133   else
4134     if test "$linux_aio" = "yes" ; then
4135       feature_not_found "linux AIO" "Install libaio devel"
4136     fi
4137     linux_aio=no
4138   fi
4139 fi
4140 ##########################################
4141 # linux-io-uring probe
4142
4143 if test "$linux_io_uring" != "no" ; then
4144   if $pkg_config liburing; then
4145     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4146     linux_io_uring_libs=$($pkg_config --libs liburing)
4147     linux_io_uring=yes
4148
4149     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4150     # seen by programs linking the archive.  It's not ideal, but just add the
4151     # library dependency globally.
4152     LIBS="$linux_io_uring_libs $LIBS"
4153   else
4154     if test "$linux_io_uring" = "yes" ; then
4155       feature_not_found "linux io_uring" "Install liburing devel"
4156     fi
4157     linux_io_uring=no
4158   fi
4159 fi
4160
4161 ##########################################
4162 # TPM emulation is only on POSIX
4163
4164 if test "$tpm" = ""; then
4165   if test "$mingw32" = "yes"; then
4166     tpm=no
4167   else
4168     tpm=yes
4169   fi
4170 elif test "$tpm" = "yes"; then
4171   if test "$mingw32" = "yes" ; then
4172     error_exit "TPM emulation only available on POSIX systems"
4173   fi
4174 fi
4175
4176 ##########################################
4177 # attr probe
4178
4179 libattr_libs=
4180 if test "$attr" != "no" ; then
4181   cat > $TMPC <<EOF
4182 #include <stdio.h>
4183 #include <sys/types.h>
4184 #ifdef CONFIG_LIBATTR
4185 #include <attr/xattr.h>
4186 #else
4187 #include <sys/xattr.h>
4188 #endif
4189 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4190 EOF
4191   if compile_prog "" "" ; then
4192     attr=yes
4193   # Older distros have <attr/xattr.h>, and need -lattr:
4194   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4195     attr=yes
4196     libattr_libs="-lattr"
4197     LIBS="$libattr_libs $LIBS"
4198     libattr=yes
4199   else
4200     if test "$attr" = "yes" ; then
4201       feature_not_found "ATTR" "Install libc6 or libattr devel"
4202     fi
4203     attr=no
4204   fi
4205 fi
4206
4207 ##########################################
4208 # iovec probe
4209 cat > $TMPC <<EOF
4210 #include <sys/types.h>
4211 #include <sys/uio.h>
4212 #include <unistd.h>
4213 int main(void) { return sizeof(struct iovec); }
4214 EOF
4215 iovec=no
4216 if compile_prog "" "" ; then
4217   iovec=yes
4218 fi
4219
4220 ##########################################
4221 # preadv probe
4222 cat > $TMPC <<EOF
4223 #include <sys/types.h>
4224 #include <sys/uio.h>
4225 #include <unistd.h>
4226 int main(void) { return preadv(0, 0, 0, 0); }
4227 EOF
4228 preadv=no
4229 if compile_prog "" "" ; then
4230   preadv=yes
4231 fi
4232
4233 ##########################################
4234 # fdt probe
4235 # fdt support is mandatory for at least some target architectures,
4236 # so insist on it if we're building those system emulators.
4237 fdt_required=no
4238 for target in $target_list; do
4239   case $target in
4240     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4241       fdt_required=yes
4242     ;;
4243   esac
4244 done
4245
4246 if test "$fdt_required" = "yes"; then
4247   if test "$fdt" = "no"; then
4248     error_exit "fdt disabled but some requested targets require it." \
4249       "You can turn off fdt only if you also disable all the system emulation" \
4250       "targets which need it (by specifying a cut down --target-list)."
4251   fi
4252   fdt=yes
4253 elif test "$fdt" != "yes" ; then
4254   fdt=no
4255 fi
4256
4257 # fdt is only required when building softmmu targets
4258 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4259     fdt="no"
4260 fi
4261
4262 if test "$fdt" != "no" ; then
4263   fdt_libs="-lfdt"
4264   # explicitly check for libfdt_env.h as it is missing in some stable installs
4265   # and test for required functions to make sure we are on a version >= 1.4.2
4266   cat > $TMPC << EOF
4267 #include <libfdt.h>
4268 #include <libfdt_env.h>
4269 int main(void) { fdt_check_full(NULL, 0); return 0; }
4270 EOF
4271   if compile_prog "" "$fdt_libs" ; then
4272     # system DTC is good - use it
4273     fdt=system
4274   else
4275       # have GIT checkout, so activate dtc submodule
4276       if test -e "${source_path}/.git" ; then
4277           git_submodules="${git_submodules} dtc"
4278       fi
4279       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4280           fdt=git
4281           mkdir -p dtc
4282           if [ "$pwd_is_source_path" != "y" ] ; then
4283               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4284           fi
4285           fdt_cflags="-I${source_path}/dtc/libfdt"
4286           fdt_ldflags="-L$PWD/dtc/libfdt"
4287           fdt_libs="$fdt_libs"
4288       elif test "$fdt" = "yes" ; then
4289           # Not a git build & no libfdt found, prompt for system install
4290           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4291                      "Please install the DTC (libfdt) devel package"
4292       else
4293           # don't have and don't want
4294           fdt_libs=
4295           fdt=no
4296       fi
4297   fi
4298 fi
4299
4300 ##########################################
4301 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4302
4303 gbm="no"
4304 if $pkg_config gbm; then
4305     gbm_cflags="$($pkg_config --cflags gbm)"
4306     gbm_libs="$($pkg_config --libs gbm)"
4307     gbm="yes"
4308 fi
4309
4310 if test "$opengl" != "no" ; then
4311   opengl_pkgs="epoxy gbm"
4312   if $pkg_config $opengl_pkgs; then
4313     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4314     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4315     opengl=yes
4316     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4317         gtk_gl="yes"
4318     fi
4319     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4320   else
4321     if test "$opengl" = "yes" ; then
4322       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4323     fi
4324     opengl_cflags=""
4325     opengl_libs=""
4326     opengl=no
4327   fi
4328 fi
4329
4330 if test "$opengl" = "yes"; then
4331   cat > $TMPC << EOF
4332 #include <epoxy/egl.h>
4333 #ifndef EGL_MESA_image_dma_buf_export
4334 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4335 #endif
4336 int main(void) { return 0; }
4337 EOF
4338   if compile_prog "" "" ; then
4339     opengl_dmabuf=yes
4340   fi
4341 fi
4342
4343 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4344   for target in $target_list; do
4345     case $target in
4346       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4347         need_x11=yes
4348       ;;
4349     esac
4350   done
4351 fi
4352
4353 ##########################################
4354 # libxml2 probe
4355 if test "$libxml2" != "no" ; then
4356     if $pkg_config --exists libxml-2.0; then
4357         libxml2="yes"
4358         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4359         libxml2_libs=$($pkg_config --libs libxml-2.0)
4360     else
4361         if test "$libxml2" = "yes"; then
4362             feature_not_found "libxml2" "Install libxml2 devel"
4363         fi
4364         libxml2="no"
4365     fi
4366 fi
4367
4368 ##########################################
4369 # glusterfs probe
4370 if test "$glusterfs" != "no" ; then
4371   if $pkg_config --atleast-version=3 glusterfs-api; then
4372     glusterfs="yes"
4373     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4374     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4375     if $pkg_config --atleast-version=4 glusterfs-api; then
4376       glusterfs_xlator_opt="yes"
4377     fi
4378     if $pkg_config --atleast-version=5 glusterfs-api; then
4379       glusterfs_discard="yes"
4380     fi
4381     if $pkg_config --atleast-version=6 glusterfs-api; then
4382       glusterfs_fallocate="yes"
4383       glusterfs_zerofill="yes"
4384     fi
4385     cat > $TMPC << EOF
4386 #include <glusterfs/api/glfs.h>
4387
4388 int
4389 main(void)
4390 {
4391         /* new glfs_ftruncate() passes two additional args */
4392         return glfs_ftruncate(NULL, 0, NULL, NULL);
4393 }
4394 EOF
4395     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4396       glusterfs_ftruncate_has_stat="yes"
4397     fi
4398     cat > $TMPC << EOF
4399 #include <glusterfs/api/glfs.h>
4400
4401 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4402 static void
4403 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4404 {}
4405
4406 int
4407 main(void)
4408 {
4409         glfs_io_cbk iocb = &glusterfs_iocb;
4410         iocb(NULL, 0 , NULL, NULL, NULL);
4411         return 0;
4412 }
4413 EOF
4414     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4415       glusterfs_iocb_has_stat="yes"
4416     fi
4417   else
4418     if test "$glusterfs" = "yes" ; then
4419       feature_not_found "GlusterFS backend support" \
4420           "Install glusterfs-api devel >= 3"
4421     fi
4422     glusterfs="no"
4423   fi
4424 fi
4425
4426 # Check for inotify functions when we are building linux-user
4427 # emulator.  This is done because older glibc versions don't
4428 # have syscall stubs for these implemented.  In that case we
4429 # don't provide them even if kernel supports them.
4430 #
4431 inotify=no
4432 cat > $TMPC << EOF
4433 #include <sys/inotify.h>
4434
4435 int
4436 main(void)
4437 {
4438         /* try to start inotify */
4439         return inotify_init();
4440 }
4441 EOF
4442 if compile_prog "" "" ; then
4443   inotify=yes
4444 fi
4445
4446 inotify1=no
4447 cat > $TMPC << EOF
4448 #include <sys/inotify.h>
4449
4450 int
4451 main(void)
4452 {
4453     /* try to start inotify */
4454     return inotify_init1(0);
4455 }
4456 EOF
4457 if compile_prog "" "" ; then
4458   inotify1=yes
4459 fi
4460
4461 # check if pipe2 is there
4462 pipe2=no
4463 cat > $TMPC << EOF
4464 #include <unistd.h>
4465 #include <fcntl.h>
4466
4467 int main(void)
4468 {
4469     int pipefd[2];
4470     return pipe2(pipefd, O_CLOEXEC);
4471 }
4472 EOF
4473 if compile_prog "" "" ; then
4474   pipe2=yes
4475 fi
4476
4477 # check if accept4 is there
4478 accept4=no
4479 cat > $TMPC << EOF
4480 #include <sys/socket.h>
4481 #include <stddef.h>
4482
4483 int main(void)
4484 {
4485     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4486     return 0;
4487 }
4488 EOF
4489 if compile_prog "" "" ; then
4490   accept4=yes
4491 fi
4492
4493 # check if tee/splice is there. vmsplice was added same time.
4494 splice=no
4495 cat > $TMPC << EOF
4496 #include <unistd.h>
4497 #include <fcntl.h>
4498 #include <limits.h>
4499
4500 int main(void)
4501 {
4502     int len, fd = 0;
4503     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4504     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4505     return 0;
4506 }
4507 EOF
4508 if compile_prog "" "" ; then
4509   splice=yes
4510 fi
4511
4512 ##########################################
4513 # libnuma probe
4514
4515 if test "$numa" != "no" ; then
4516   cat > $TMPC << EOF
4517 #include <numa.h>
4518 int main(void) { return numa_available(); }
4519 EOF
4520
4521   if compile_prog "" "-lnuma" ; then
4522     numa=yes
4523     numa_libs="-lnuma"
4524   else
4525     if test "$numa" = "yes" ; then
4526       feature_not_found "numa" "install numactl devel"
4527     fi
4528     numa=no
4529   fi
4530 fi
4531
4532 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4533     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4534     exit 1
4535 fi
4536
4537 # Even if malloc_trim() is available, these non-libc memory allocators
4538 # do not support it.
4539 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4540     if test "$malloc_trim" = "yes" ; then
4541         echo "Disabling malloc_trim with non-libc memory allocator"
4542     fi
4543     malloc_trim="no"
4544 fi
4545
4546 #######################################
4547 # malloc_trim
4548
4549 if test "$malloc_trim" != "no" ; then
4550     cat > $TMPC << EOF
4551 #include <malloc.h>
4552 int main(void) { malloc_trim(0); return 0; }
4553 EOF
4554     if compile_prog "" "" ; then
4555         malloc_trim="yes"
4556     else
4557         malloc_trim="no"
4558     fi
4559 fi
4560
4561 ##########################################
4562 # tcmalloc probe
4563
4564 if test "$tcmalloc" = "yes" ; then
4565   cat > $TMPC << EOF
4566 #include <stdlib.h>
4567 int main(void) {
4568     void *tmp = malloc(1);
4569     if (tmp != NULL) {
4570         return 0;
4571     }
4572     return 1;
4573 }
4574 EOF
4575
4576   if compile_prog "" "-ltcmalloc" ; then
4577     LIBS="-ltcmalloc $LIBS"
4578   else
4579     feature_not_found "tcmalloc" "install gperftools devel"
4580   fi
4581 fi
4582
4583 ##########################################
4584 # jemalloc probe
4585
4586 if test "$jemalloc" = "yes" ; then
4587   cat > $TMPC << EOF
4588 #include <stdlib.h>
4589 int main(void) {
4590     void *tmp = malloc(1);
4591     if (tmp != NULL) {
4592         return 0;
4593     }
4594     return 1;
4595 }
4596 EOF
4597
4598   if compile_prog "" "-ljemalloc" ; then
4599     LIBS="-ljemalloc $LIBS"
4600   else
4601     feature_not_found "jemalloc" "install jemalloc devel"
4602   fi
4603 fi
4604
4605 ##########################################
4606 # signalfd probe
4607 signalfd="no"
4608 cat > $TMPC << EOF
4609 #include <unistd.h>
4610 #include <sys/syscall.h>
4611 #include <signal.h>
4612 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4613 EOF
4614
4615 if compile_prog "" "" ; then
4616   signalfd=yes
4617 fi
4618
4619 # check if optreset global is declared by <getopt.h>
4620 optreset="no"
4621 cat > $TMPC << EOF
4622 #include <getopt.h>
4623 int main(void) { return optreset; }
4624 EOF
4625
4626 if compile_prog "" "" ; then
4627   optreset=yes
4628 fi
4629
4630 # check if eventfd is supported
4631 eventfd=no
4632 cat > $TMPC << EOF
4633 #include <sys/eventfd.h>
4634
4635 int main(void)
4636 {
4637     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4638 }
4639 EOF
4640 if compile_prog "" "" ; then
4641   eventfd=yes
4642 fi
4643
4644 # check if memfd is supported
4645 memfd=no
4646 cat > $TMPC << EOF
4647 #include <sys/mman.h>
4648
4649 int main(void)
4650 {
4651     return memfd_create("foo", MFD_ALLOW_SEALING);
4652 }
4653 EOF
4654 if compile_prog "" "" ; then
4655   memfd=yes
4656 fi
4657
4658 # check for usbfs
4659 have_usbfs=no
4660 if test "$linux_user" = "yes"; then
4661   cat > $TMPC << EOF
4662 #include <linux/usbdevice_fs.h>
4663
4664 #ifndef USBDEVFS_GET_CAPABILITIES
4665 #error "USBDEVFS_GET_CAPABILITIES undefined"
4666 #endif
4667
4668 #ifndef USBDEVFS_DISCONNECT_CLAIM
4669 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4670 #endif
4671
4672 int main(void)
4673 {
4674     return 0;
4675 }
4676 EOF
4677   if compile_prog "" ""; then
4678     have_usbfs=yes
4679   fi
4680 fi
4681
4682 # check for fallocate
4683 fallocate=no
4684 cat > $TMPC << EOF
4685 #include <fcntl.h>
4686
4687 int main(void)
4688 {
4689     fallocate(0, 0, 0, 0);
4690     return 0;
4691 }
4692 EOF
4693 if compile_prog "" "" ; then
4694   fallocate=yes
4695 fi
4696
4697 # check for fallocate hole punching
4698 fallocate_punch_hole=no
4699 cat > $TMPC << EOF
4700 #include <fcntl.h>
4701 #include <linux/falloc.h>
4702
4703 int main(void)
4704 {
4705     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4706     return 0;
4707 }
4708 EOF
4709 if compile_prog "" "" ; then
4710   fallocate_punch_hole=yes
4711 fi
4712
4713 # check that fallocate supports range zeroing inside the file
4714 fallocate_zero_range=no
4715 cat > $TMPC << EOF
4716 #include <fcntl.h>
4717 #include <linux/falloc.h>
4718
4719 int main(void)
4720 {
4721     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4722     return 0;
4723 }
4724 EOF
4725 if compile_prog "" "" ; then
4726   fallocate_zero_range=yes
4727 fi
4728
4729 # check for posix_fallocate
4730 posix_fallocate=no
4731 cat > $TMPC << EOF
4732 #include <fcntl.h>
4733
4734 int main(void)
4735 {
4736     posix_fallocate(0, 0, 0);
4737     return 0;
4738 }
4739 EOF
4740 if compile_prog "" "" ; then
4741     posix_fallocate=yes
4742 fi
4743
4744 # check for sync_file_range
4745 sync_file_range=no
4746 cat > $TMPC << EOF
4747 #include <fcntl.h>
4748
4749 int main(void)
4750 {
4751     sync_file_range(0, 0, 0, 0);
4752     return 0;
4753 }
4754 EOF
4755 if compile_prog "" "" ; then
4756   sync_file_range=yes
4757 fi
4758
4759 # check for linux/fiemap.h and FS_IOC_FIEMAP
4760 fiemap=no
4761 cat > $TMPC << EOF
4762 #include <sys/ioctl.h>
4763 #include <linux/fs.h>
4764 #include <linux/fiemap.h>
4765
4766 int main(void)
4767 {
4768     ioctl(0, FS_IOC_FIEMAP, 0);
4769     return 0;
4770 }
4771 EOF
4772 if compile_prog "" "" ; then
4773   fiemap=yes
4774 fi
4775
4776 # check for dup3
4777 dup3=no
4778 cat > $TMPC << EOF
4779 #include <unistd.h>
4780
4781 int main(void)
4782 {
4783     dup3(0, 0, 0);
4784     return 0;
4785 }
4786 EOF
4787 if compile_prog "" "" ; then
4788   dup3=yes
4789 fi
4790
4791 # check for ppoll support
4792 ppoll=no
4793 cat > $TMPC << EOF
4794 #include <poll.h>
4795
4796 int main(void)
4797 {
4798     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4799     ppoll(&pfd, 1, 0, 0);
4800     return 0;
4801 }
4802 EOF
4803 if compile_prog "" "" ; then
4804   ppoll=yes
4805 fi
4806
4807 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4808 prctl_pr_set_timerslack=no
4809 cat > $TMPC << EOF
4810 #include <sys/prctl.h>
4811
4812 int main(void)
4813 {
4814     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4815     return 0;
4816 }
4817 EOF
4818 if compile_prog "" "" ; then
4819   prctl_pr_set_timerslack=yes
4820 fi
4821
4822 # check for epoll support
4823 epoll=no
4824 cat > $TMPC << EOF
4825 #include <sys/epoll.h>
4826
4827 int main(void)
4828 {
4829     epoll_create(0);
4830     return 0;
4831 }
4832 EOF
4833 if compile_prog "" "" ; then
4834   epoll=yes
4835 fi
4836
4837 # epoll_create1 is a later addition
4838 # so we must check separately for its presence
4839 epoll_create1=no
4840 cat > $TMPC << EOF
4841 #include <sys/epoll.h>
4842
4843 int main(void)
4844 {
4845     /* Note that we use epoll_create1 as a value, not as
4846      * a function being called. This is necessary so that on
4847      * old SPARC glibc versions where the function was present in
4848      * the library but not declared in the header file we will
4849      * fail the configure check. (Otherwise we will get a compiler
4850      * warning but not an error, and will proceed to fail the
4851      * qemu compile where we compile with -Werror.)
4852      */
4853     return (int)(uintptr_t)&epoll_create1;
4854 }
4855 EOF
4856 if compile_prog "" "" ; then
4857   epoll_create1=yes
4858 fi
4859
4860 # check for sendfile support
4861 sendfile=no
4862 cat > $TMPC << EOF
4863 #include <sys/sendfile.h>
4864
4865 int main(void)
4866 {
4867     return sendfile(0, 0, 0, 0);
4868 }
4869 EOF
4870 if compile_prog "" "" ; then
4871   sendfile=yes
4872 fi
4873
4874 # check for timerfd support (glibc 2.8 and newer)
4875 timerfd=no
4876 cat > $TMPC << EOF
4877 #include <sys/timerfd.h>
4878
4879 int main(void)
4880 {
4881     return(timerfd_create(CLOCK_REALTIME, 0));
4882 }
4883 EOF
4884 if compile_prog "" "" ; then
4885   timerfd=yes
4886 fi
4887
4888 # check for setns and unshare support
4889 setns=no
4890 cat > $TMPC << EOF
4891 #include <sched.h>
4892
4893 int main(void)
4894 {
4895     int ret;
4896     ret = setns(0, 0);
4897     ret = unshare(0);
4898     return ret;
4899 }
4900 EOF
4901 if compile_prog "" "" ; then
4902   setns=yes
4903 fi
4904
4905 # clock_adjtime probe
4906 clock_adjtime=no
4907 cat > $TMPC <<EOF
4908 #include <time.h>
4909
4910 int main(void)
4911 {
4912     return clock_adjtime(0, 0);
4913 }
4914 EOF
4915 clock_adjtime=no
4916 if compile_prog "" "" ; then
4917   clock_adjtime=yes
4918 fi
4919
4920 # syncfs probe
4921 syncfs=no
4922 cat > $TMPC <<EOF
4923 #include <unistd.h>
4924
4925 int main(void)
4926 {
4927     return syncfs(0);
4928 }
4929 EOF
4930 syncfs=no
4931 if compile_prog "" "" ; then
4932   syncfs=yes
4933 fi
4934
4935 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4936 kcov=no
4937 if check_include sys/kcov.h ; then
4938     kcov=yes
4939 fi
4940
4941 # If we're making warnings fatal, apply this to Sphinx runs as well
4942 sphinx_werror=""
4943 if test "$werror" = "yes"; then
4944     sphinx_werror="-W"
4945 fi
4946
4947 # Check we have a new enough version of sphinx-build
4948 has_sphinx_build() {
4949     # This is a bit awkward but works: create a trivial document and
4950     # try to run it with our configuration file (which enforces a
4951     # version requirement). This will fail if either
4952     # sphinx-build doesn't exist at all or if it is too old.
4953     mkdir -p "$TMPDIR1/sphinx"
4954     touch "$TMPDIR1/sphinx/index.rst"
4955     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4956                     -b html "$TMPDIR1/sphinx" \
4957                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4958 }
4959
4960 # Check if tools are available to build documentation.
4961 if test "$docs" != "no" ; then
4962   if has_sphinx_build; then
4963     sphinx_ok=yes
4964   else
4965     sphinx_ok=no
4966   fi
4967   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4968     docs=yes
4969   else
4970     if test "$docs" = "yes" ; then
4971       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4972         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4973       fi
4974       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4975     fi
4976     docs=no
4977   fi
4978 fi
4979
4980 # Search for bswap_32 function
4981 byteswap_h=no
4982 cat > $TMPC << EOF
4983 #include <byteswap.h>
4984 int main(void) { return bswap_32(0); }
4985 EOF
4986 if compile_prog "" "" ; then
4987   byteswap_h=yes
4988 fi
4989
4990 # Search for bswap32 function
4991 bswap_h=no
4992 cat > $TMPC << EOF
4993 #include <sys/endian.h>
4994 #include <sys/types.h>
4995 #include <machine/bswap.h>
4996 int main(void) { return bswap32(0); }
4997 EOF
4998 if compile_prog "" "" ; then
4999   bswap_h=yes
5000 fi
5001
5002 ##########################################
5003 # Do we have libiscsi >= 1.9.0
5004 if test "$libiscsi" != "no" ; then
5005   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5006     libiscsi="yes"
5007     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5008     libiscsi_libs=$($pkg_config --libs libiscsi)
5009   else
5010     if test "$libiscsi" = "yes" ; then
5011       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5012     fi
5013     libiscsi="no"
5014   fi
5015 fi
5016
5017 ##########################################
5018 # Do we need libm
5019 cat > $TMPC << EOF
5020 #include <math.h>
5021 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5022 EOF
5023 if compile_prog "" "" ; then
5024   :
5025 elif compile_prog "" "-lm" ; then
5026   LIBS="-lm $LIBS"
5027 else
5028   error_exit "libm check failed"
5029 fi
5030
5031 ##########################################
5032 # Do we need librt
5033 # uClibc provides 2 versions of clock_gettime(), one with realtime
5034 # support and one without. This means that the clock_gettime() don't
5035 # need -lrt. We still need it for timer_create() so we check for this
5036 # function in addition.
5037 cat > $TMPC <<EOF
5038 #include <signal.h>
5039 #include <time.h>
5040 int main(void) {
5041   timer_create(CLOCK_REALTIME, NULL, NULL);
5042   return clock_gettime(CLOCK_REALTIME, NULL);
5043 }
5044 EOF
5045
5046 if compile_prog "" "" ; then
5047   :
5048 # we need pthread for static linking. use previous pthread test result
5049 elif compile_prog "" "$pthread_lib -lrt" ; then
5050   LIBS="$LIBS -lrt"
5051 fi
5052
5053 # Check whether we need to link libutil for openpty()
5054 cat > $TMPC << EOF
5055 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5056 int main(void) { return openpty(0, 0, 0, 0, 0); }
5057 EOF
5058
5059 have_openpty="no"
5060 if compile_prog "" "" ; then
5061   have_openpty="yes"
5062 else
5063   if compile_prog "" "-lutil" ; then
5064     libs_tools="-lutil $libs_tools"
5065     have_openpty="yes"
5066   fi
5067 fi
5068
5069 ##########################################
5070 # spice probe
5071 if test "$spice" != "no" ; then
5072   cat > $TMPC << EOF
5073 #include <spice.h>
5074 int main(void) { spice_server_new(); return 0; }
5075 EOF
5076   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5077   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5078   if $pkg_config --atleast-version=0.12.5 spice-server && \
5079      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5080      compile_prog "$spice_cflags" "$spice_libs" ; then
5081     spice="yes"
5082     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5083   else
5084     if test "$spice" = "yes" ; then
5085       feature_not_found "spice" \
5086           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5087     fi
5088     spice="no"
5089   fi
5090 fi
5091
5092 # check for smartcard support
5093 if test "$smartcard" != "no"; then
5094     if $pkg_config --atleast-version=2.5.1 libcacard; then
5095         libcacard_cflags=$($pkg_config --cflags libcacard)
5096         libcacard_libs=$($pkg_config --libs libcacard)
5097         smartcard="yes"
5098     else
5099         if test "$smartcard" = "yes"; then
5100             feature_not_found "smartcard" "Install libcacard devel"
5101         fi
5102         smartcard="no"
5103     fi
5104 fi
5105
5106 # check for libusb
5107 if test "$libusb" != "no" ; then
5108     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5109         libusb="yes"
5110         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5111         libusb_libs=$($pkg_config --libs libusb-1.0)
5112     else
5113         if test "$libusb" = "yes"; then
5114             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5115         fi
5116         libusb="no"
5117     fi
5118 fi
5119
5120 # check for usbredirparser for usb network redirection support
5121 if test "$usb_redir" != "no" ; then
5122     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5123         usb_redir="yes"
5124         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5125         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5126     else
5127         if test "$usb_redir" = "yes"; then
5128             feature_not_found "usb-redir" "Install usbredir devel"
5129         fi
5130         usb_redir="no"
5131     fi
5132 fi
5133
5134 ##########################################
5135 # check if we have VSS SDK headers for win
5136
5137 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5138         test "$vss_win32_sdk" != "no" ; then
5139   case "$vss_win32_sdk" in
5140     "")   vss_win32_include="-isystem $source_path" ;;
5141     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5142           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5143           vss_win32_include="-isystem $source_path/.sdk/vss"
5144           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5145           ;;
5146     *)    vss_win32_include="-isystem $vss_win32_sdk"
5147   esac
5148   cat > $TMPC << EOF
5149 #define __MIDL_user_allocate_free_DEFINED__
5150 #include <inc/win2003/vss.h>
5151 int main(void) { return VSS_CTX_BACKUP; }
5152 EOF
5153   if compile_prog "$vss_win32_include" "" ; then
5154     guest_agent_with_vss="yes"
5155     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5156     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5157     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5158   else
5159     if test "$vss_win32_sdk" != "" ; then
5160       echo "ERROR: Please download and install Microsoft VSS SDK:"
5161       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5162       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5163       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5164       echo "ERROR: The headers are extracted in the directory \`inc'."
5165       feature_not_found "VSS support"
5166     fi
5167     guest_agent_with_vss="no"
5168   fi
5169 fi
5170
5171 ##########################################
5172 # lookup Windows platform SDK (if not specified)
5173 # The SDK is needed only to build .tlb (type library) file of guest agent
5174 # VSS provider from the source. It is usually unnecessary because the
5175 # pre-compiled .tlb file is included.
5176
5177 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5178         test "$guest_agent_with_vss" = "yes" ; then
5179   if test -z "$win_sdk"; then
5180     programfiles="$PROGRAMFILES"
5181     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5182     if test -n "$programfiles"; then
5183       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5184     else
5185       feature_not_found "Windows SDK"
5186     fi
5187   elif test "$win_sdk" = "no"; then
5188     win_sdk=""
5189   fi
5190 fi
5191
5192 ##########################################
5193 # check if mingw environment provides a recent ntddscsi.h
5194 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5195   cat > $TMPC << EOF
5196 #include <windows.h>
5197 #include <ntddscsi.h>
5198 int main(void) {
5199 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5200 #error Missing required ioctl definitions
5201 #endif
5202   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5203   return addr.Lun;
5204 }
5205 EOF
5206   if compile_prog "" "" ; then
5207     guest_agent_ntddscsi=yes
5208     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5209   fi
5210 fi
5211
5212 ##########################################
5213 # virgl renderer probe
5214
5215 if test "$virglrenderer" != "no" ; then
5216   cat > $TMPC << EOF
5217 #include <virglrenderer.h>
5218 int main(void) { virgl_renderer_poll(); return 0; }
5219 EOF
5220   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5221   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5222   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5223   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5224      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5225     virglrenderer="yes"
5226   else
5227     if test "$virglrenderer" = "yes" ; then
5228       feature_not_found "virglrenderer"
5229     fi
5230     virglrenderer="no"
5231   fi
5232 fi
5233
5234 ##########################################
5235 # capstone
5236
5237 case "$capstone" in
5238   "" | yes)
5239     if $pkg_config capstone; then
5240       capstone=system
5241     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5242       capstone=git
5243     elif test -e "${source_path}/capstone/Makefile" ; then
5244       capstone=internal
5245     elif test -z "$capstone" ; then
5246       capstone=no
5247     else
5248       feature_not_found "capstone" "Install capstone devel or git submodule"
5249     fi
5250     ;;
5251
5252   system)
5253     if ! $pkg_config capstone; then
5254       feature_not_found "capstone" "Install capstone devel"
5255     fi
5256     ;;
5257 esac
5258
5259 case "$capstone" in
5260   git | internal)
5261     if test "$capstone" = git; then
5262       git_submodules="${git_submodules} capstone"
5263     fi
5264     mkdir -p capstone
5265     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5266     if test "$mingw32" = "yes"; then
5267       LIBCAPSTONE=capstone.lib
5268     else
5269       LIBCAPSTONE=libcapstone.a
5270     fi
5271     capstone_libs="-L$PWD/capstone -lcapstone"
5272     capstone_cflags="-I${source_path}/capstone/include"
5273     ;;
5274
5275   system)
5276     capstone_libs="$($pkg_config --libs capstone)"
5277     capstone_cflags="$($pkg_config --cflags capstone)"
5278     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5279     ;;
5280
5281   no)
5282     ;;
5283   *)
5284     error_exit "Unknown state for capstone: $capstone"
5285     ;;
5286 esac
5287
5288 ##########################################
5289 # check if we have fdatasync
5290
5291 fdatasync=no
5292 cat > $TMPC << EOF
5293 #include <unistd.h>
5294 int main(void) {
5295 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5296 return fdatasync(0);
5297 #else
5298 #error Not supported
5299 #endif
5300 }
5301 EOF
5302 if compile_prog "" "" ; then
5303     fdatasync=yes
5304 fi
5305
5306 ##########################################
5307 # check if we have madvise
5308
5309 madvise=no
5310 cat > $TMPC << EOF
5311 #include <sys/types.h>
5312 #include <sys/mman.h>
5313 #include <stddef.h>
5314 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5315 EOF
5316 if compile_prog "" "" ; then
5317     madvise=yes
5318 fi
5319
5320 ##########################################
5321 # check if we have posix_madvise
5322
5323 posix_madvise=no
5324 cat > $TMPC << EOF
5325 #include <sys/mman.h>
5326 #include <stddef.h>
5327 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5328 EOF
5329 if compile_prog "" "" ; then
5330     posix_madvise=yes
5331 fi
5332
5333 ##########################################
5334 # check if we have posix_memalign()
5335
5336 posix_memalign=no
5337 cat > $TMPC << EOF
5338 #include <stdlib.h>
5339 int main(void) {
5340     void *p;
5341     return posix_memalign(&p, 8, 8);
5342 }
5343 EOF
5344 if compile_prog "" "" ; then
5345     posix_memalign=yes
5346 fi
5347
5348 ##########################################
5349 # check if we have posix_syslog
5350
5351 posix_syslog=no
5352 cat > $TMPC << EOF
5353 #include <syslog.h>
5354 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5355 EOF
5356 if compile_prog "" "" ; then
5357     posix_syslog=yes
5358 fi
5359
5360 ##########################################
5361 # check if we have sem_timedwait
5362
5363 sem_timedwait=no
5364 cat > $TMPC << EOF
5365 #include <semaphore.h>
5366 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5367 EOF
5368 if compile_prog "" "" ; then
5369     sem_timedwait=yes
5370 fi
5371
5372 ##########################################
5373 # check if we have strchrnul
5374
5375 strchrnul=no
5376 cat > $TMPC << EOF
5377 #include <string.h>
5378 int main(void);
5379 // Use a haystack that the compiler shouldn't be able to constant fold
5380 char *haystack = (char*)&main;
5381 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5382 EOF
5383 if compile_prog "" "" ; then
5384     strchrnul=yes
5385 fi
5386
5387 #########################################
5388 # check if we have st_atim
5389
5390 st_atim=no
5391 cat > $TMPC << EOF
5392 #include <sys/stat.h>
5393 #include <stddef.h>
5394 int main(void) { return offsetof(struct stat, st_atim); }
5395 EOF
5396 if compile_prog "" "" ; then
5397     st_atim=yes
5398 fi
5399
5400 ##########################################
5401 # check if trace backend exists
5402
5403 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5404 if test "$?" -ne 0 ; then
5405   error_exit "invalid trace backends" \
5406       "Please choose supported trace backends."
5407 fi
5408
5409 ##########################################
5410 # For 'ust' backend, test if ust headers are present
5411 if have_backend "ust"; then
5412   cat > $TMPC << EOF
5413 #include <lttng/tracepoint.h>
5414 int main(void) { return 0; }
5415 EOF
5416   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5417     if $pkg_config lttng-ust --exists; then
5418       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5419     else
5420       lttng_ust_libs="-llttng-ust -ldl"
5421     fi
5422     if $pkg_config liburcu-bp --exists; then
5423       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5424     else
5425       urcu_bp_libs="-lurcu-bp"
5426     fi
5427
5428     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5429   else
5430     error_exit "Trace backend 'ust' missing lttng-ust header files"
5431   fi
5432 fi
5433
5434 ##########################################
5435 # For 'dtrace' backend, test if 'dtrace' command is present
5436 if have_backend "dtrace"; then
5437   if ! has 'dtrace' ; then
5438     error_exit "dtrace command is not found in PATH $PATH"
5439   fi
5440   trace_backend_stap="no"
5441   if has 'stap' ; then
5442     trace_backend_stap="yes"
5443   fi
5444 fi
5445
5446 ##########################################
5447 # check and set a backend for coroutine
5448
5449 # We prefer ucontext, but it's not always possible. The fallback
5450 # is sigcontext. On Windows the only valid backend is the Windows
5451 # specific one.
5452
5453 ucontext_works=no
5454 if test "$darwin" != "yes"; then
5455   cat > $TMPC << EOF
5456 #include <ucontext.h>
5457 #ifdef __stub_makecontext
5458 #error Ignoring glibc stub makecontext which will always fail
5459 #endif
5460 int main(void) { makecontext(0, 0, 0); return 0; }
5461 EOF
5462   if compile_prog "" "" ; then
5463     ucontext_works=yes
5464   fi
5465 fi
5466
5467 if test "$coroutine" = ""; then
5468   if test "$mingw32" = "yes"; then
5469     coroutine=win32
5470   elif test "$ucontext_works" = "yes"; then
5471     coroutine=ucontext
5472   else
5473     coroutine=sigaltstack
5474   fi
5475 else
5476   case $coroutine in
5477   windows)
5478     if test "$mingw32" != "yes"; then
5479       error_exit "'windows' coroutine backend only valid for Windows"
5480     fi
5481     # Unfortunately the user visible backend name doesn't match the
5482     # coroutine-*.c filename for this case, so we have to adjust it here.
5483     coroutine=win32
5484     ;;
5485   ucontext)
5486     if test "$ucontext_works" != "yes"; then
5487       feature_not_found "ucontext"
5488     fi
5489     ;;
5490   sigaltstack)
5491     if test "$mingw32" = "yes"; then
5492       error_exit "only the 'windows' coroutine backend is valid for Windows"
5493     fi
5494     ;;
5495   *)
5496     error_exit "unknown coroutine backend $coroutine"
5497     ;;
5498   esac
5499 fi
5500
5501 if test "$coroutine_pool" = ""; then
5502   coroutine_pool=yes
5503 fi
5504
5505 if test "$debug_stack_usage" = "yes"; then
5506   if test "$coroutine_pool" = "yes"; then
5507     echo "WARN: disabling coroutine pool for stack usage debugging"
5508     coroutine_pool=no
5509   fi
5510 fi
5511
5512 ##################################################
5513 # SafeStack
5514
5515
5516 if test "$safe_stack" = "yes"; then
5517 cat > $TMPC << EOF
5518 int main(int argc, char *argv[])
5519 {
5520 #if ! __has_feature(safe_stack)
5521 #error SafeStack Disabled
5522 #endif
5523     return 0;
5524 }
5525 EOF
5526   flag="-fsanitize=safe-stack"
5527   # Check that safe-stack is supported and enabled.
5528   if compile_prog "-Werror $flag" "$flag"; then
5529     # Flag needed both at compilation and at linking
5530     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5531     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5532   else
5533     error_exit "SafeStack not supported by your compiler"
5534   fi
5535   if test "$coroutine" != "ucontext"; then
5536     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5537   fi
5538 else
5539 cat > $TMPC << EOF
5540 int main(int argc, char *argv[])
5541 {
5542 #if defined(__has_feature)
5543 #if __has_feature(safe_stack)
5544 #error SafeStack Enabled
5545 #endif
5546 #endif
5547     return 0;
5548 }
5549 EOF
5550 if test "$safe_stack" = "no"; then
5551   # Make sure that safe-stack is disabled
5552   if ! compile_prog "-Werror" ""; then
5553     # SafeStack was already enabled, try to explicitly remove the feature
5554     flag="-fno-sanitize=safe-stack"
5555     if ! compile_prog "-Werror $flag" "$flag"; then
5556       error_exit "Configure cannot disable SafeStack"
5557     fi
5558     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5559     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5560   fi
5561 else # "$safe_stack" = ""
5562   # Set safe_stack to yes or no based on pre-existing flags
5563   if compile_prog "-Werror" ""; then
5564     safe_stack="no"
5565   else
5566     safe_stack="yes"
5567     if test "$coroutine" != "ucontext"; then
5568       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5569     fi
5570   fi
5571 fi
5572 fi
5573
5574 ##########################################
5575 # check if we have open_by_handle_at
5576
5577 open_by_handle_at=no
5578 cat > $TMPC << EOF
5579 #include <fcntl.h>
5580 #if !defined(AT_EMPTY_PATH)
5581 # error missing definition
5582 #else
5583 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5584 #endif
5585 EOF
5586 if compile_prog "" "" ; then
5587     open_by_handle_at=yes
5588 fi
5589
5590 ########################################
5591 # check if we have linux/magic.h
5592
5593 linux_magic_h=no
5594 cat > $TMPC << EOF
5595 #include <linux/magic.h>
5596 int main(void) {
5597   return 0;
5598 }
5599 EOF
5600 if compile_prog "" "" ; then
5601     linux_magic_h=yes
5602 fi
5603
5604 ########################################
5605 # check if we have valgrind/valgrind.h
5606
5607 valgrind_h=no
5608 cat > $TMPC << EOF
5609 #include <valgrind/valgrind.h>
5610 int main(void) {
5611   return 0;
5612 }
5613 EOF
5614 if compile_prog "" "" ; then
5615     valgrind_h=yes
5616 fi
5617
5618 ########################################
5619 # check if environ is declared
5620
5621 has_environ=no
5622 cat > $TMPC << EOF
5623 #include <unistd.h>
5624 int main(void) {
5625     environ = 0;
5626     return 0;
5627 }
5628 EOF
5629 if compile_prog "" "" ; then
5630     has_environ=yes
5631 fi
5632
5633 ########################################
5634 # check if cpuid.h is usable.
5635
5636 cat > $TMPC << EOF
5637 #include <cpuid.h>
5638 int main(void) {
5639     unsigned a, b, c, d;
5640     int max = __get_cpuid_max(0, 0);
5641
5642     if (max >= 1) {
5643         __cpuid(1, a, b, c, d);
5644     }
5645
5646     if (max >= 7) {
5647         __cpuid_count(7, 0, a, b, c, d);
5648     }
5649
5650     return 0;
5651 }
5652 EOF
5653 if compile_prog "" "" ; then
5654     cpuid_h=yes
5655 fi
5656
5657 ##########################################
5658 # avx2 optimization requirement check
5659 #
5660 # There is no point enabling this if cpuid.h is not usable,
5661 # since we won't be able to select the new routines.
5662
5663 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5664   cat > $TMPC << EOF
5665 #pragma GCC push_options
5666 #pragma GCC target("avx2")
5667 #include <cpuid.h>
5668 #include <immintrin.h>
5669 static int bar(void *a) {
5670     __m256i x = *(__m256i *)a;
5671     return _mm256_testz_si256(x, x);
5672 }
5673 int main(int argc, char *argv[]) { return bar(argv[0]); }
5674 EOF
5675   if compile_object "" ; then
5676     avx2_opt="yes"
5677   else
5678     avx2_opt="no"
5679   fi
5680 fi
5681
5682 ##########################################
5683 # avx512f optimization requirement check
5684 #
5685 # There is no point enabling this if cpuid.h is not usable,
5686 # since we won't be able to select the new routines.
5687 # by default, it is turned off.
5688 # if user explicitly want to enable it, check environment
5689
5690 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5691   cat > $TMPC << EOF
5692 #pragma GCC push_options
5693 #pragma GCC target("avx512f")
5694 #include <cpuid.h>
5695 #include <immintrin.h>
5696 static int bar(void *a) {
5697     __m512i x = *(__m512i *)a;
5698     return _mm512_test_epi64_mask(x, x);
5699 }
5700 int main(int argc, char *argv[])
5701 {
5702         return bar(argv[0]);
5703 }
5704 EOF
5705   if ! compile_object "" ; then
5706     avx512f_opt="no"
5707   fi
5708 else
5709   avx512f_opt="no"
5710 fi
5711
5712 ########################################
5713 # check if __[u]int128_t is usable.
5714
5715 int128=no
5716 cat > $TMPC << EOF
5717 __int128_t a;
5718 __uint128_t b;
5719 int main (void) {
5720   a = a + b;
5721   b = a * b;
5722   a = a * a;
5723   return 0;
5724 }
5725 EOF
5726 if compile_prog "" "" ; then
5727     int128=yes
5728 fi
5729
5730 #########################################
5731 # See if 128-bit atomic operations are supported.
5732
5733 atomic128=no
5734 if test "$int128" = "yes"; then
5735   cat > $TMPC << EOF
5736 int main(void)
5737 {
5738   unsigned __int128 x = 0, y = 0;
5739   y = __atomic_load_16(&x, 0);
5740   __atomic_store_16(&x, y, 0);
5741   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5742   return 0;
5743 }
5744 EOF
5745   if compile_prog "" "" ; then
5746     atomic128=yes
5747   fi
5748 fi
5749
5750 cmpxchg128=no
5751 if test "$int128" = yes && test "$atomic128" = no; then
5752   cat > $TMPC << EOF
5753 int main(void)
5754 {
5755   unsigned __int128 x = 0, y = 0;
5756   __sync_val_compare_and_swap_16(&x, y, x);
5757   return 0;
5758 }
5759 EOF
5760   if compile_prog "" "" ; then
5761     cmpxchg128=yes
5762   fi
5763 fi
5764
5765 #########################################
5766 # See if 64-bit atomic operations are supported.
5767 # Note that without __atomic builtins, we can only
5768 # assume atomic loads/stores max at pointer size.
5769
5770 cat > $TMPC << EOF
5771 #include <stdint.h>
5772 int main(void)
5773 {
5774   uint64_t x = 0, y = 0;
5775 #ifdef __ATOMIC_RELAXED
5776   y = __atomic_load_8(&x, 0);
5777   __atomic_store_8(&x, y, 0);
5778   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5779   __atomic_exchange_8(&x, y, 0);
5780   __atomic_fetch_add_8(&x, y, 0);
5781 #else
5782   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5783   __sync_lock_test_and_set(&x, y);
5784   __sync_val_compare_and_swap(&x, y, 0);
5785   __sync_fetch_and_add(&x, y);
5786 #endif
5787   return 0;
5788 }
5789 EOF
5790 if compile_prog "" "" ; then
5791   atomic64=yes
5792 fi
5793
5794 #########################################
5795 # See if --dynamic-list is supported by the linker
5796 ld_dynamic_list="no"
5797 if test "$static" = "no" ; then
5798     cat > $TMPTXT <<EOF
5799 {
5800   foo;
5801 };
5802 EOF
5803
5804     cat > $TMPC <<EOF
5805 #include <stdio.h>
5806 void foo(void);
5807
5808 void foo(void)
5809 {
5810   printf("foo\n");
5811 }
5812
5813 int main(void)
5814 {
5815   foo();
5816   return 0;
5817 }
5818 EOF
5819
5820     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5821         ld_dynamic_list="yes"
5822     fi
5823 fi
5824
5825 #########################################
5826 # See if -exported_symbols_list is supported by the linker
5827
5828 ld_exported_symbols_list="no"
5829 if test "$static" = "no" ; then
5830     cat > $TMPTXT <<EOF
5831   _foo
5832 EOF
5833
5834     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5835         ld_exported_symbols_list="yes"
5836     fi
5837 fi
5838
5839 if  test "$plugins" = "yes" &&
5840     test "$ld_dynamic_list" = "no" &&
5841     test "$ld_exported_symbols_list" = "no" ; then
5842   error_exit \
5843       "Plugin support requires dynamic linking and specifying a set of symbols " \
5844       "that are exported to plugins. Unfortunately your linker doesn't " \
5845       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5846       "for this purpose. You can't build with --static."
5847 fi
5848
5849 ########################################
5850 # See if __attribute__((alias)) is supported.
5851 # This false for Xcode 9, but has been remedied for Xcode 10.
5852 # Unfortunately, travis uses Xcode 9 by default.
5853
5854 attralias=no
5855 cat > $TMPC << EOF
5856 int x = 1;
5857 extern const int y __attribute__((alias("x")));
5858 int main(void) { return 0; }
5859 EOF
5860 if compile_prog "" "" ; then
5861     attralias=yes
5862 fi
5863
5864 ########################################
5865 # check if getauxval is available.
5866
5867 getauxval=no
5868 cat > $TMPC << EOF
5869 #include <sys/auxv.h>
5870 int main(void) {
5871   return getauxval(AT_HWCAP) == 0;
5872 }
5873 EOF
5874 if compile_prog "" "" ; then
5875     getauxval=yes
5876 fi
5877
5878 ########################################
5879 # check if ccache is interfering with
5880 # semantic analysis of macros
5881
5882 unset CCACHE_CPP2
5883 ccache_cpp2=no
5884 cat > $TMPC << EOF
5885 static const int Z = 1;
5886 #define fn() ({ Z; })
5887 #define TAUT(X) ((X) == Z)
5888 #define PAREN(X, Y) (X == Y)
5889 #define ID(X) (X)
5890 int main(int argc, char *argv[])
5891 {
5892     int x = 0, y = 0;
5893     x = ID(x);
5894     x = fn();
5895     fn();
5896     if (PAREN(x, y)) return 0;
5897     if (TAUT(Z)) return 0;
5898     return 0;
5899 }
5900 EOF
5901
5902 if ! compile_object "-Werror"; then
5903     ccache_cpp2=yes
5904 fi
5905
5906 #################################################
5907 # clang does not support glibc + FORTIFY_SOURCE.
5908
5909 if test "$fortify_source" != "no"; then
5910   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5911     fortify_source="no";
5912   elif test -n "$cxx" && has $cxx &&
5913        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5914     fortify_source="no";
5915   else
5916     fortify_source="yes"
5917   fi
5918 fi
5919
5920 ###############################################
5921 # Check if copy_file_range is provided by glibc
5922 have_copy_file_range=no
5923 cat > $TMPC << EOF
5924 #include <unistd.h>
5925 int main(void) {
5926   copy_file_range(0, NULL, 0, NULL, 0, 0);
5927   return 0;
5928 }
5929 EOF
5930 if compile_prog "" "" ; then
5931     have_copy_file_range=yes
5932 fi
5933
5934 ##########################################
5935 # check if struct fsxattr is available via linux/fs.h
5936
5937 have_fsxattr=no
5938 cat > $TMPC << EOF
5939 #include <linux/fs.h>
5940 struct fsxattr foo;
5941 int main(void) {
5942   return 0;
5943 }
5944 EOF
5945 if compile_prog "" "" ; then
5946     have_fsxattr=yes
5947 fi
5948
5949 ##########################################
5950 # check for usable membarrier system call
5951 if test "$membarrier" = "yes"; then
5952     have_membarrier=no
5953     if test "$mingw32" = "yes" ; then
5954         have_membarrier=yes
5955     elif test "$linux" = "yes" ; then
5956         cat > $TMPC << EOF
5957     #include <linux/membarrier.h>
5958     #include <sys/syscall.h>
5959     #include <unistd.h>
5960     #include <stdlib.h>
5961     int main(void) {
5962         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5963         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5964         exit(0);
5965     }
5966 EOF
5967         if compile_prog "" "" ; then
5968             have_membarrier=yes
5969         fi
5970     fi
5971     if test "$have_membarrier" = "no"; then
5972       feature_not_found "membarrier" "membarrier system call not available"
5973     fi
5974 else
5975     # Do not enable it by default even for Mingw32, because it doesn't
5976     # work on Wine.
5977     membarrier=no
5978 fi
5979
5980 ##########################################
5981 # check if rtnetlink.h exists and is useful
5982 have_rtnetlink=no
5983 cat > $TMPC << EOF
5984 #include <linux/rtnetlink.h>
5985 int main(void) {
5986   return IFLA_PROTO_DOWN;
5987 }
5988 EOF
5989 if compile_prog "" "" ; then
5990     have_rtnetlink=yes
5991 fi
5992
5993 ##########################################
5994 # check for usable AF_VSOCK environment
5995 have_af_vsock=no
5996 cat > $TMPC << EOF
5997 #include <errno.h>
5998 #include <sys/types.h>
5999 #include <sys/socket.h>
6000 #if !defined(AF_VSOCK)
6001 # error missing AF_VSOCK flag
6002 #endif
6003 #include <linux/vm_sockets.h>
6004 int main(void) {
6005     int sock, ret;
6006     struct sockaddr_vm svm;
6007     socklen_t len = sizeof(svm);
6008     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6009     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6010     if ((ret == -1) && (errno == ENOTCONN)) {
6011         return 0;
6012     }
6013     return -1;
6014 }
6015 EOF
6016 if compile_prog "" "" ; then
6017     have_af_vsock=yes
6018 fi
6019
6020 ##########################################
6021 # check for usable AF_ALG environment
6022 have_afalg=no
6023 cat > $TMPC << EOF
6024 #include <errno.h>
6025 #include <sys/types.h>
6026 #include <sys/socket.h>
6027 #include <linux/if_alg.h>
6028 int main(void) {
6029     int sock;
6030     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6031     return sock;
6032 }
6033 EOF
6034 if compile_prog "" "" ; then
6035     have_afalg=yes
6036 fi
6037 if test "$crypto_afalg" = "yes"
6038 then
6039     if test "$have_afalg" != "yes"
6040     then
6041         error_exit "AF_ALG requested but could not be detected"
6042     fi
6043 fi
6044
6045
6046 #################################################
6047 # Check to see if we have the Hypervisor framework
6048 if [ "$darwin" = "yes" ] ; then
6049   cat > $TMPC << EOF
6050 #include <Hypervisor/hv.h>
6051 int main() { return 0;}
6052 EOF
6053   if ! compile_object ""; then
6054     hvf='no'
6055   else
6056     hvf='yes'
6057     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6058   fi
6059 fi
6060
6061 ##########################################
6062 # check for sysmacros.h
6063
6064 have_sysmacros=no
6065 cat > $TMPC << EOF
6066 #include <sys/sysmacros.h>
6067 int main(void) {
6068     return makedev(0, 0);
6069 }
6070 EOF
6071 if compile_prog "" "" ; then
6072     have_sysmacros=yes
6073 fi
6074
6075 ##########################################
6076 # check for _Static_assert()
6077
6078 have_static_assert=no
6079 cat > $TMPC << EOF
6080 _Static_assert(1, "success");
6081 int main(void) {
6082     return 0;
6083 }
6084 EOF
6085 if compile_prog "" "" ; then
6086     have_static_assert=yes
6087 fi
6088
6089 ##########################################
6090 # check for utmpx.h, it is missing e.g. on OpenBSD
6091
6092 have_utmpx=no
6093 cat > $TMPC << EOF
6094 #include <utmpx.h>
6095 struct utmpx user_info;
6096 int main(void) {
6097     return 0;
6098 }
6099 EOF
6100 if compile_prog "" "" ; then
6101     have_utmpx=yes
6102 fi
6103
6104 ##########################################
6105 # check for getrandom()
6106
6107 have_getrandom=no
6108 cat > $TMPC << EOF
6109 #include <sys/random.h>
6110 int main(void) {
6111     return getrandom(0, 0, GRND_NONBLOCK);
6112 }
6113 EOF
6114 if compile_prog "" "" ; then
6115     have_getrandom=yes
6116 fi
6117
6118 ##########################################
6119 # checks for sanitizers
6120
6121 have_asan=no
6122 have_ubsan=no
6123 have_asan_iface_h=no
6124 have_asan_iface_fiber=no
6125
6126 if test "$sanitizers" = "yes" ; then
6127   write_c_skeleton
6128   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6129       have_asan=yes
6130   fi
6131
6132   # we could use a simple skeleton for flags checks, but this also
6133   # detect the static linking issue of ubsan, see also:
6134   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6135   cat > $TMPC << EOF
6136 #include <stdlib.h>
6137 int main(void) {
6138     void *tmp = malloc(10);
6139     if (tmp != NULL) {
6140         return *(int *)(tmp + 2);
6141     }
6142     return 1;
6143 }
6144 EOF
6145   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6146       have_ubsan=yes
6147   fi
6148
6149   if check_include "sanitizer/asan_interface.h" ; then
6150       have_asan_iface_h=yes
6151   fi
6152
6153   cat > $TMPC << EOF
6154 #include <sanitizer/asan_interface.h>
6155 int main(void) {
6156   __sanitizer_start_switch_fiber(0, 0, 0);
6157   return 0;
6158 }
6159 EOF
6160   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6161       have_asan_iface_fiber=yes
6162   fi
6163 fi
6164
6165 ##########################################
6166 # checks for fuzzer
6167 if test "$fuzzing" = "yes" ; then
6168   write_c_fuzzer_skeleton
6169   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6170     have_fuzzer=yes
6171   else
6172     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6173     exit 1
6174   fi
6175 fi
6176
6177 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6178 # keep it separate until that is not the case.
6179 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6180   error_exit "TSAN is not supported with other sanitiziers."
6181 fi
6182 have_tsan=no
6183 have_tsan_iface_fiber=no
6184 if test "$tsan" = "yes" ; then
6185   write_c_skeleton
6186   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6187       have_tsan=yes
6188   fi
6189   cat > $TMPC << EOF
6190 #include <sanitizer/tsan_interface.h>
6191 int main(void) {
6192   __tsan_create_fiber(0);
6193   return 0;
6194 }
6195 EOF
6196   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6197       have_tsan_iface_fiber=yes
6198   fi
6199 fi
6200
6201 ##########################################
6202 # check for libpmem
6203
6204 if test "$libpmem" != "no"; then
6205         if $pkg_config --exists "libpmem"; then
6206                 libpmem="yes"
6207                 libpmem_libs=$($pkg_config --libs libpmem)
6208                 libpmem_cflags=$($pkg_config --cflags libpmem)
6209                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6210         else
6211                 if test "$libpmem" = "yes" ; then
6212                         feature_not_found "libpmem" "Install nvml or pmdk"
6213                 fi
6214                 libpmem="no"
6215         fi
6216 fi
6217
6218 ##########################################
6219 # check for libdaxctl
6220
6221 if test "$libdaxctl" != "no"; then
6222         if $pkg_config --atleast-version=57 "libdaxctl"; then
6223                 libdaxctl="yes"
6224                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6225                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6226                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6227         else
6228                 if test "$libdaxctl" = "yes" ; then
6229                         feature_not_found "libdaxctl" "Install libdaxctl"
6230                 fi
6231                 libdaxctl="no"
6232         fi
6233 fi
6234
6235 ##########################################
6236 # check for slirp
6237
6238 # slirp is only required when building softmmu targets
6239 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6240     slirp="no"
6241 fi
6242
6243 case "$slirp" in
6244   "" | yes)
6245     if $pkg_config slirp; then
6246       slirp=system
6247     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6248       slirp=git
6249     elif test -e "${source_path}/slirp/Makefile" ; then
6250       slirp=internal
6251     elif test -z "$slirp" ; then
6252       slirp=no
6253     else
6254       feature_not_found "slirp" "Install slirp devel or git submodule"
6255     fi
6256     ;;
6257
6258   system)
6259     if ! $pkg_config slirp; then
6260       feature_not_found "slirp" "Install slirp devel"
6261     fi
6262     ;;
6263 esac
6264
6265 case "$slirp" in
6266   git | internal)
6267     if test "$slirp" = git; then
6268       git_submodules="${git_submodules} slirp"
6269     fi
6270     mkdir -p slirp
6271     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6272     slirp_libs="-L$PWD/slirp -lslirp"
6273     if test "$mingw32" = "yes" ; then
6274       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6275     fi
6276     ;;
6277
6278   system)
6279     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6280     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6281     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6282     ;;
6283
6284   no)
6285     ;;
6286   *)
6287     error_exit "Unknown state for slirp: $slirp"
6288     ;;
6289 esac
6290
6291 ##########################################
6292 # check for usable __NR_keyctl syscall
6293
6294 if test "$linux" = "yes" ; then
6295
6296     have_keyring=no
6297     cat > $TMPC << EOF
6298 #include <errno.h>
6299 #include <asm/unistd.h>
6300 #include <linux/keyctl.h>
6301 #include <unistd.h>
6302 int main(void) {
6303     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6304 }
6305 EOF
6306     if compile_prog "" "" ; then
6307         have_keyring=yes
6308     fi
6309 fi
6310 if test "$secret_keyring" != "no"
6311 then
6312     if test "$have_keyring" = "yes"
6313     then
6314         secret_keyring=yes
6315     else
6316         if test "$secret_keyring" = "yes"
6317         then
6318             error_exit "syscall __NR_keyctl requested, \
6319 but not implemented on your system"
6320         else
6321             secret_keyring=no
6322         fi
6323     fi
6324 fi
6325
6326 ##########################################
6327 # check for usable keyutils.h
6328
6329 if test "$linux" = "yes" ; then
6330
6331     have_keyutils=no
6332     cat > $TMPC << EOF
6333 #include <errno.h>
6334 #include <asm/unistd.h>
6335 #include <unistd.h>
6336 #include <sys/types.h>
6337 #include <keyutils.h>
6338 int main(void) {
6339     return request_key("user", NULL, NULL, 0);
6340 }
6341 EOF
6342     if compile_prog "" "-lkeyutils"; then
6343         have_keyutils=yes
6344     fi
6345 fi
6346
6347
6348 ##########################################
6349 # End of CC checks
6350 # After here, no more $cc or $ld runs
6351
6352 write_c_skeleton
6353
6354 if test "$gcov" = "yes" ; then
6355   :
6356 elif test "$fortify_source" = "yes" ; then
6357   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6358   debug=no
6359 fi
6360 if test "$debug_info" = "yes"; then
6361   CFLAGS="-g $CFLAGS"
6362   LDFLAGS="-g $LDFLAGS"
6363 fi
6364 if test "$debug" = "no"; then
6365   CFLAGS="-O2 $CFLAGS"
6366 fi
6367
6368 case "$ARCH" in
6369 alpha)
6370   # Ensure there's only a single GP
6371   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6372 ;;
6373 esac
6374
6375 if test "$gprof" = "yes" ; then
6376   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6377   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6378 fi
6379
6380 if test "$have_asan" = "yes"; then
6381   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6382   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6383   if test "$have_asan_iface_h" = "no" ; then
6384       echo "ASAN build enabled, but ASAN header missing." \
6385            "Without code annotation, the report may be inferior."
6386   elif test "$have_asan_iface_fiber" = "no" ; then
6387       echo "ASAN build enabled, but ASAN header is too old." \
6388            "Without code annotation, the report may be inferior."
6389   fi
6390 fi
6391 if test "$have_tsan" = "yes" ; then
6392   if test "$have_tsan_iface_fiber" = "yes" ; then
6393     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6394     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6395   else
6396     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6397   fi
6398 elif test "$tsan" = "yes" ; then
6399   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6400 fi
6401 if test "$have_ubsan" = "yes"; then
6402   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6403   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6404 fi
6405
6406 ##########################################
6407 # Do we have libnfs
6408 if test "$libnfs" != "no" ; then
6409   if $pkg_config --atleast-version=1.9.3 libnfs; then
6410     libnfs="yes"
6411     libnfs_libs=$($pkg_config --libs libnfs)
6412   else
6413     if test "$libnfs" = "yes" ; then
6414       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6415     fi
6416     libnfs="no"
6417   fi
6418 fi
6419
6420 ##########################################
6421 # Do we have libudev
6422 if test "$libudev" != "no" ; then
6423   if $pkg_config libudev && test "$static" != "yes"; then
6424     libudev="yes"
6425     libudev_libs=$($pkg_config --libs libudev)
6426   else
6427     libudev="no"
6428   fi
6429 fi
6430
6431 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6432 if test "$werror" = "yes"; then
6433     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6434 fi
6435
6436 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6437 if test "$solaris" = "no" && test "$tsan" = "no"; then
6438     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6439         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6440     fi
6441 fi
6442
6443 # test if pod2man has --utf8 option
6444 if pod2man --help | grep -q utf8; then
6445     POD2MAN="pod2man --utf8"
6446 else
6447     POD2MAN="pod2man"
6448 fi
6449
6450 # Use ASLR, no-SEH and DEP if available
6451 if test "$mingw32" = "yes" ; then
6452     for flag in --dynamicbase --no-seh --nxcompat; do
6453         if ld_has $flag ; then
6454             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6455         fi
6456     done
6457 fi
6458
6459 # Disable OpenBSD W^X if available
6460 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6461     cat > $TMPC <<EOF
6462     int main(void) { return 0; }
6463 EOF
6464     wx_ldflags="-Wl,-z,wxneeded"
6465     if compile_prog "" "$wx_ldflags"; then
6466         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6467     fi
6468 fi
6469
6470 qemu_confdir=$sysconfdir$confsuffix
6471 qemu_moddir=$libdir$confsuffix
6472 qemu_datadir=$datadir$confsuffix
6473 qemu_localedir="$datadir/locale"
6474 qemu_icondir="$datadir/icons"
6475 qemu_desktopdir="$datadir/applications"
6476
6477 # We can only support ivshmem if we have eventfd
6478 if [ "$eventfd" = "yes" ]; then
6479   ivshmem=yes
6480 fi
6481
6482 if test "$softmmu" = yes ; then
6483   if test "$linux" = yes; then
6484     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6485       virtfs=yes
6486     else
6487       if test "$virtfs" = yes; then
6488         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6489       fi
6490       virtfs=no
6491     fi
6492     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6493       mpath=yes
6494     else
6495       if test "$mpath" = yes; then
6496         error_exit "Multipath requires libmpathpersist devel"
6497       fi
6498       mpath=no
6499     fi
6500   else
6501     if test "$virtfs" = yes; then
6502       error_exit "VirtFS is supported only on Linux"
6503     fi
6504     virtfs=no
6505     if test "$mpath" = yes; then
6506       error_exit "Multipath is supported only on Linux"
6507     fi
6508     mpath=no
6509   fi
6510 fi
6511
6512 # Probe for guest agent support/options
6513
6514 if [ "$guest_agent" != "no" ]; then
6515   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6516       guest_agent=no
6517   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6518       guest_agent=yes
6519   elif [ "$guest_agent" != yes ]; then
6520       guest_agent=no
6521   else
6522       error_exit "Guest agent is not supported on this platform"
6523   fi
6524 fi
6525
6526 # Guest agent Window MSI  package
6527
6528 if test "$guest_agent" != yes; then
6529   if test "$guest_agent_msi" = yes; then
6530     error_exit "MSI guest agent package requires guest agent enabled"
6531   fi
6532   guest_agent_msi=no
6533 elif test "$mingw32" != "yes"; then
6534   if test "$guest_agent_msi" = "yes"; then
6535     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6536   fi
6537   guest_agent_msi=no
6538 elif ! has wixl; then
6539   if test "$guest_agent_msi" = "yes"; then
6540     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6541   fi
6542   guest_agent_msi=no
6543 else
6544   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6545   # disabled explicitly
6546   if test "$guest_agent_msi" != "no"; then
6547     guest_agent_msi=yes
6548   fi
6549 fi
6550
6551 if test "$guest_agent_msi" = "yes"; then
6552   if test "$guest_agent_with_vss" = "yes"; then
6553     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6554   fi
6555
6556   if test "$QEMU_GA_MANUFACTURER" = ""; then
6557     QEMU_GA_MANUFACTURER=QEMU
6558   fi
6559
6560   if test "$QEMU_GA_DISTRO" = ""; then
6561     QEMU_GA_DISTRO=Linux
6562   fi
6563
6564   if test "$QEMU_GA_VERSION" = ""; then
6565       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6566   fi
6567
6568   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6569
6570   case "$cpu" in
6571   x86_64)
6572     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6573     ;;
6574   i386)
6575     QEMU_GA_MSI_ARCH="-D Arch=32"
6576     ;;
6577   *)
6578     error_exit "CPU $cpu not supported for building installation package"
6579     ;;
6580   esac
6581 fi
6582
6583 # Mac OS X ships with a broken assembler
6584 roms=
6585 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6586         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6587         test "$softmmu" = yes ; then
6588     # Different host OS linkers have different ideas about the name of the ELF
6589     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6590     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6591     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6592         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6593             ld_i386_emulation="$emu"
6594             roms="optionrom"
6595             break
6596         fi
6597     done
6598 fi
6599
6600 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6601 if test "$cpu" = "s390x" ; then
6602   write_c_skeleton
6603   if compile_prog "-march=z900" ""; then
6604     roms="$roms s390-ccw"
6605     # SLOF is required for building the s390-ccw firmware on s390x,
6606     # since it is using the libnet code from SLOF for network booting.
6607     if test -e "${source_path}/.git" ; then
6608       git_submodules="${git_submodules} roms/SLOF"
6609     fi
6610   fi
6611 fi
6612
6613 # Check that the C++ compiler exists and works with the C compiler.
6614 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6615 if has $cxx; then
6616     cat > $TMPC <<EOF
6617 int c_function(void);
6618 int main(void) { return c_function(); }
6619 EOF
6620
6621     compile_object
6622
6623     cat > $TMPCXX <<EOF
6624 extern "C" {
6625    int c_function(void);
6626 }
6627 int c_function(void) { return 42; }
6628 EOF
6629
6630     update_cxxflags
6631
6632     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6633         # C++ compiler $cxx works ok with C compiler $cc
6634         :
6635     else
6636         echo "C++ compiler $cxx does not work with C compiler $cc"
6637         echo "Disabling C++ specific optional code"
6638         cxx=
6639     fi
6640 else
6641     echo "No C++ compiler available; disabling C++ specific optional code"
6642     cxx=
6643 fi
6644
6645 echo_version() {
6646     if test "$1" = "yes" ; then
6647         echo "($2)"
6648     fi
6649 }
6650
6651 # prepend pixman and ftd flags after all config tests are done
6652 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6653 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6654
6655 config_host_mak="config-host.mak"
6656
6657 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6658
6659 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6660 echo >> $config_host_mak
6661
6662 echo all: >> $config_host_mak
6663 echo "prefix=$prefix" >> $config_host_mak
6664 echo "bindir=$bindir" >> $config_host_mak
6665 echo "libdir=$libdir" >> $config_host_mak
6666 echo "libexecdir=$libexecdir" >> $config_host_mak
6667 echo "includedir=$includedir" >> $config_host_mak
6668 echo "mandir=$mandir" >> $config_host_mak
6669 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6670 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6671 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6672 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6673 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6674 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6675 if test "$mingw32" = "no" ; then
6676   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6677 fi
6678 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6679 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6680 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6681 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6682 echo "GIT=$git" >> $config_host_mak
6683 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6684 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6685
6686 echo "ARCH=$ARCH" >> $config_host_mak
6687
6688 if test "$default_devices" = "yes" ; then
6689   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6690 else
6691   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6692 fi
6693 if test "$debug_tcg" = "yes" ; then
6694   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6695 fi
6696 if test "$strip_opt" = "yes" ; then
6697   echo "STRIP=${strip}" >> $config_host_mak
6698 fi
6699 if test "$bigendian" = "yes" ; then
6700   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6701 fi
6702 if test "$mingw32" = "yes" ; then
6703   echo "CONFIG_WIN32=y" >> $config_host_mak
6704   rc_version=$(cat $source_path/VERSION)
6705   version_major=${rc_version%%.*}
6706   rc_version=${rc_version#*.}
6707   version_minor=${rc_version%%.*}
6708   rc_version=${rc_version#*.}
6709   version_subminor=${rc_version%%.*}
6710   version_micro=0
6711   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6712   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6713   if test "$guest_agent_with_vss" = "yes" ; then
6714     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6715     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6716     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6717   fi
6718   if test "$guest_agent_ntddscsi" = "yes" ; then
6719     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6720   fi
6721   if test "$guest_agent_msi" = "yes"; then
6722     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6723     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6724     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6725     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6726     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6727     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6728     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6729   fi
6730 else
6731   echo "CONFIG_POSIX=y" >> $config_host_mak
6732 fi
6733
6734 if test "$linux" = "yes" ; then
6735   echo "CONFIG_LINUX=y" >> $config_host_mak
6736 fi
6737
6738 if test "$darwin" = "yes" ; then
6739   echo "CONFIG_DARWIN=y" >> $config_host_mak
6740 fi
6741
6742 if test "$solaris" = "yes" ; then
6743   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6744 fi
6745 if test "$haiku" = "yes" ; then
6746   echo "CONFIG_HAIKU=y" >> $config_host_mak
6747 fi
6748 if test "$static" = "yes" ; then
6749   echo "CONFIG_STATIC=y" >> $config_host_mak
6750 fi
6751 if test "$profiler" = "yes" ; then
6752   echo "CONFIG_PROFILER=y" >> $config_host_mak
6753 fi
6754 if test "$want_tools" = "yes" ; then
6755   echo "CONFIG_TOOLS=y" >> $config_host_mak
6756 fi
6757 if test "$guest_agent" = "yes" ; then
6758   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6759 fi
6760 if test "$slirp" != "no"; then
6761   echo "CONFIG_SLIRP=y" >> $config_host_mak
6762   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6763   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6764   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6765 fi
6766 subdirs=
6767 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6768   subdirs="$subdirs slirp"
6769 fi
6770 if test "$vde" = "yes" ; then
6771   echo "CONFIG_VDE=y" >> $config_host_mak
6772   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6773 fi
6774 if test "$netmap" = "yes" ; then
6775   echo "CONFIG_NETMAP=y" >> $config_host_mak
6776 fi
6777 if test "$l2tpv3" = "yes" ; then
6778   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6779 fi
6780 if test "$gprof" = "yes" ; then
6781   echo "CONFIG_GPROF=y" >> $config_host_mak
6782 fi
6783 if test "$cap_ng" = "yes" ; then
6784   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6785   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6786 fi
6787 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6788 for drv in $audio_drv_list; do
6789     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6790     echo "$def=y" >> $config_host_mak
6791 done
6792 if test "$alsa" = "yes" ; then
6793     echo "CONFIG_ALSA=y" >> $config_host_mak
6794 fi
6795 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6796 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6797 if test "$libpulse" = "yes" ; then
6798     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6799 fi
6800 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6801 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6802 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6803 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6804 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6805 if test "$libjack" = "yes" ; then
6806     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6807 fi
6808 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6809 if test "$audio_win_int" = "yes" ; then
6810   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6811 fi
6812 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6813 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6814 if test "$xfs" = "yes" ; then
6815   echo "CONFIG_XFS=y" >> $config_host_mak
6816 fi
6817 qemu_version=$(head $source_path/VERSION)
6818 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6819 echo "SRC_PATH=$source_path" >> $config_host_mak
6820 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6821 if [ "$docs" = "yes" ] ; then
6822   echo "BUILD_DOCS=yes" >> $config_host_mak
6823 fi
6824 if test "$modules" = "yes"; then
6825   # $shacmd can generate a hash started with digit, which the compiler doesn't
6826   # like as an symbol. So prefix it with an underscore
6827   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6828   echo "CONFIG_MODULES=y" >> $config_host_mak
6829 fi
6830 if test "$module_upgrades" = "yes"; then
6831   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6832 fi
6833 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6834   echo "CONFIG_X11=y" >> $config_host_mak
6835   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6836   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6837 fi
6838 if test "$cocoa" = "yes" ; then
6839   echo "CONFIG_COCOA=y" >> $config_host_mak
6840 fi
6841 if test "$iconv" = "yes" ; then
6842   echo "CONFIG_ICONV=y" >> $config_host_mak
6843   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6844   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6845 fi
6846 if test "$curses" = "yes" ; then
6847   echo "CONFIG_CURSES=y" >> $config_host_mak
6848   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6849   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6850 fi
6851 if test "$pipe2" = "yes" ; then
6852   echo "CONFIG_PIPE2=y" >> $config_host_mak
6853 fi
6854 if test "$accept4" = "yes" ; then
6855   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6856 fi
6857 if test "$splice" = "yes" ; then
6858   echo "CONFIG_SPLICE=y" >> $config_host_mak
6859 fi
6860 if test "$eventfd" = "yes" ; then
6861   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6862 fi
6863 if test "$memfd" = "yes" ; then
6864   echo "CONFIG_MEMFD=y" >> $config_host_mak
6865 fi
6866 if test "$have_usbfs" = "yes" ; then
6867   echo "CONFIG_USBFS=y" >> $config_host_mak
6868 fi
6869 if test "$fallocate" = "yes" ; then
6870   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6871 fi
6872 if test "$fallocate_punch_hole" = "yes" ; then
6873   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6874 fi
6875 if test "$fallocate_zero_range" = "yes" ; then
6876   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6877 fi
6878 if test "$posix_fallocate" = "yes" ; then
6879   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6880 fi
6881 if test "$sync_file_range" = "yes" ; then
6882   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6883 fi
6884 if test "$fiemap" = "yes" ; then
6885   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6886 fi
6887 if test "$dup3" = "yes" ; then
6888   echo "CONFIG_DUP3=y" >> $config_host_mak
6889 fi
6890 if test "$ppoll" = "yes" ; then
6891   echo "CONFIG_PPOLL=y" >> $config_host_mak
6892 fi
6893 if test "$prctl_pr_set_timerslack" = "yes" ; then
6894   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6895 fi
6896 if test "$epoll" = "yes" ; then
6897   echo "CONFIG_EPOLL=y" >> $config_host_mak
6898 fi
6899 if test "$epoll_create1" = "yes" ; then
6900   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6901 fi
6902 if test "$sendfile" = "yes" ; then
6903   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6904 fi
6905 if test "$timerfd" = "yes" ; then
6906   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6907 fi
6908 if test "$setns" = "yes" ; then
6909   echo "CONFIG_SETNS=y" >> $config_host_mak
6910 fi
6911 if test "$clock_adjtime" = "yes" ; then
6912   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6913 fi
6914 if test "$syncfs" = "yes" ; then
6915   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6916 fi
6917 if test "$kcov" = "yes" ; then
6918   echo "CONFIG_KCOV=y" >> $config_host_mak
6919 fi
6920 if test "$inotify" = "yes" ; then
6921   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6922 fi
6923 if test "$inotify1" = "yes" ; then
6924   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6925 fi
6926 if test "$sem_timedwait" = "yes" ; then
6927   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6928 fi
6929 if test "$strchrnul" = "yes" ; then
6930   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6931 fi
6932 if test "$st_atim" = "yes" ; then
6933   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6934 fi
6935 if test "$byteswap_h" = "yes" ; then
6936   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6937 fi
6938 if test "$bswap_h" = "yes" ; then
6939   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6940 fi
6941 if test "$curl" = "yes" ; then
6942   echo "CONFIG_CURL=y" >> $config_host_mak
6943   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6944   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6945 fi
6946 if test "$brlapi" = "yes" ; then
6947   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6948   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6949 fi
6950 if test "$gtk" = "yes" ; then
6951   echo "CONFIG_GTK=y" >> $config_host_mak
6952   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6953   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6954   if test "$gtk_gl" = "yes" ; then
6955     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6956   fi
6957 fi
6958 if test "$gio" = "yes" ; then
6959     echo "CONFIG_GIO=y" >> $config_host_mak
6960     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6961     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6962     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6963 fi
6964 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6965 if test "$gnutls" = "yes" ; then
6966   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6967   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6968   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6969 fi
6970 if test "$gcrypt" = "yes" ; then
6971   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6972   if test "$gcrypt_hmac" = "yes" ; then
6973     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6974   fi
6975 fi
6976 if test "$nettle" = "yes" ; then
6977   echo "CONFIG_NETTLE=y" >> $config_host_mak
6978   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6979   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6980   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6981 fi
6982 if test "$qemu_private_xts" = "yes" ; then
6983   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6984 fi
6985 if test "$tasn1" = "yes" ; then
6986   echo "CONFIG_TASN1=y" >> $config_host_mak
6987 fi
6988 if test "$auth_pam" = "yes" ; then
6989     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6990 fi
6991 if test "$have_ifaddrs_h" = "yes" ; then
6992     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6993 fi
6994 if test "$have_drm_h" = "yes" ; then
6995   echo "HAVE_DRM_H=y" >> $config_host_mak
6996 fi
6997 if test "$have_broken_size_max" = "yes" ; then
6998     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6999 fi
7000 if test "$have_openpty" = "yes" ; then
7001     echo "HAVE_OPENPTY=y" >> $config_host_mak
7002 fi
7003 if test "$have_sys_signal_h" = "yes" ; then
7004     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7005 fi
7006
7007 # Work around a system header bug with some kernel/XFS header
7008 # versions where they both try to define 'struct fsxattr':
7009 # xfs headers will not try to redefine structs from linux headers
7010 # if this macro is set.
7011 if test "$have_fsxattr" = "yes" ; then
7012     echo "HAVE_FSXATTR=y" >> $config_host_mak
7013 fi
7014 if test "$have_copy_file_range" = "yes" ; then
7015     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7016 fi
7017 if test "$vte" = "yes" ; then
7018   echo "CONFIG_VTE=y" >> $config_host_mak
7019   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7020   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7021 fi
7022 if test "$virglrenderer" = "yes" ; then
7023   echo "CONFIG_VIRGL=y" >> $config_host_mak
7024   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7025   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7026 fi
7027 if test "$xen" = "yes" ; then
7028   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7029   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7030   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7031   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7032 fi
7033 if test "$linux_aio" = "yes" ; then
7034   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7035 fi
7036 if test "$linux_io_uring" = "yes" ; then
7037   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7038   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7039   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7040 fi
7041 if test "$attr" = "yes" ; then
7042   echo "CONFIG_ATTR=y" >> $config_host_mak
7043   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7044 fi
7045 if test "$libattr" = "yes" ; then
7046   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7047 fi
7048 if test "$virtfs" = "yes" ; then
7049   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7050 fi
7051 if test "$mpath" = "yes" ; then
7052   echo "CONFIG_MPATH=y" >> $config_host_mak
7053   if test "$mpathpersist_new_api" = "yes"; then
7054     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7055   fi
7056 fi
7057 if test "$vhost_scsi" = "yes" ; then
7058   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7059 fi
7060 if test "$vhost_net" = "yes" ; then
7061   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7062 fi
7063 if test "$vhost_net_user" = "yes" ; then
7064   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7065 fi
7066 if test "$vhost_net_vdpa" = "yes" ; then
7067   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7068 fi
7069 if test "$vhost_crypto" = "yes" ; then
7070   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7071 fi
7072 if test "$vhost_vsock" = "yes" ; then
7073   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7074   if test "$vhost_user" = "yes" ; then
7075     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7076   fi
7077 fi
7078 if test "$vhost_kernel" = "yes" ; then
7079   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7080 fi
7081 if test "$vhost_user" = "yes" ; then
7082   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7083 fi
7084 if test "$vhost_vdpa" = "yes" ; then
7085   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7086 fi
7087 if test "$vhost_user_fs" = "yes" ; then
7088   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7089 fi
7090 if test "$blobs" = "yes" ; then
7091   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7092 fi
7093 if test "$iovec" = "yes" ; then
7094   echo "CONFIG_IOVEC=y" >> $config_host_mak
7095 fi
7096 if test "$preadv" = "yes" ; then
7097   echo "CONFIG_PREADV=y" >> $config_host_mak
7098 fi
7099 if test "$fdt" != "no" ; then
7100   echo "CONFIG_FDT=y" >> $config_host_mak
7101   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7102   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7103 fi
7104 if test "$membarrier" = "yes" ; then
7105   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7106 fi
7107 if test "$signalfd" = "yes" ; then
7108   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7109 fi
7110 if test "$optreset" = "yes" ; then
7111   echo "HAVE_OPTRESET=y" >> $config_host_mak
7112 fi
7113 if test "$tcg" = "yes"; then
7114   echo "CONFIG_TCG=y" >> $config_host_mak
7115   if test "$tcg_interpreter" = "yes" ; then
7116     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7117   fi
7118 fi
7119 if test "$fdatasync" = "yes" ; then
7120   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7121 fi
7122 if test "$madvise" = "yes" ; then
7123   echo "CONFIG_MADVISE=y" >> $config_host_mak
7124 fi
7125 if test "$posix_madvise" = "yes" ; then
7126   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7127 fi
7128 if test "$posix_memalign" = "yes" ; then
7129   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7130 fi
7131 if test "$zlib" != "no" ; then
7132     echo "CONFIG_ZLIB=y" >> $config_host_mak
7133     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7134     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7135 fi
7136 if test "$spice" = "yes" ; then
7137   echo "CONFIG_SPICE=y" >> $config_host_mak
7138   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7139   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7140 fi
7141
7142 if test "$smartcard" = "yes" ; then
7143   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7144   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7145   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7146 fi
7147
7148 if test "$libusb" = "yes" ; then
7149   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7150   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7151   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7152 fi
7153
7154 if test "$usb_redir" = "yes" ; then
7155   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7156   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7157   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7158 fi
7159
7160 if test "$opengl" = "yes" ; then
7161   echo "CONFIG_OPENGL=y" >> $config_host_mak
7162   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7163   if test "$opengl_dmabuf" = "yes" ; then
7164     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7165   fi
7166 fi
7167
7168 if test "$gbm" = "yes" ; then
7169     echo "CONFIG_GBM=y" >> $config_host_mak
7170     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7171     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7172 fi
7173
7174
7175 if test "$malloc_trim" = "yes" ; then
7176   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7177 fi
7178
7179 if test "$avx2_opt" = "yes" ; then
7180   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7181 fi
7182
7183 if test "$avx512f_opt" = "yes" ; then
7184   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7185 fi
7186
7187 if test "$lzo" = "yes" ; then
7188   echo "CONFIG_LZO=y" >> $config_host_mak
7189   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7190 fi
7191
7192 if test "$snappy" = "yes" ; then
7193   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7194   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7195 fi
7196
7197 if test "$bzip2" = "yes" ; then
7198   echo "CONFIG_BZIP2=y" >> $config_host_mak
7199   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7200 fi
7201
7202 if test "$lzfse" = "yes" ; then
7203   echo "CONFIG_LZFSE=y" >> $config_host_mak
7204   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7205 fi
7206
7207 if test "$zstd" = "yes" ; then
7208   echo "CONFIG_ZSTD=y" >> $config_host_mak
7209   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7210   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7211 fi
7212
7213 if test "$libiscsi" = "yes" ; then
7214   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7215   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7216   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7217 fi
7218
7219 if test "$libnfs" = "yes" ; then
7220   echo "CONFIG_LIBNFS=y" >> $config_host_mak
7221   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7222 fi
7223
7224 if test "$seccomp" = "yes"; then
7225   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7226   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7227   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7228 fi
7229
7230 # XXX: suppress that
7231 if [ "$bsd" = "yes" ] ; then
7232   echo "CONFIG_BSD=y" >> $config_host_mak
7233 fi
7234
7235 if test "$localtime_r" = "yes" ; then
7236   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7237 fi
7238 if test "$qom_cast_debug" = "yes" ; then
7239   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7240 fi
7241 if test "$rbd" = "yes" ; then
7242   echo "CONFIG_RBD=y" >> $config_host_mak
7243   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7244 fi
7245
7246 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7247 if test "$coroutine_pool" = "yes" ; then
7248   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7249 else
7250   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7251 fi
7252
7253 if test "$debug_stack_usage" = "yes" ; then
7254   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7255 fi
7256
7257 if test "$crypto_afalg" = "yes" ; then
7258   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7259 fi
7260
7261 if test "$open_by_handle_at" = "yes" ; then
7262   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7263 fi
7264
7265 if test "$linux_magic_h" = "yes" ; then
7266   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7267 fi
7268
7269 if test "$valgrind_h" = "yes" ; then
7270   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7271 fi
7272
7273 if test "$have_asan_iface_fiber" = "yes" ; then
7274     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7275 fi
7276
7277 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7278     echo "CONFIG_TSAN=y" >> $config_host_mak
7279 fi
7280
7281 if test "$has_environ" = "yes" ; then
7282   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7283 fi
7284
7285 if test "$cpuid_h" = "yes" ; then
7286   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7287 fi
7288
7289 if test "$int128" = "yes" ; then
7290   echo "CONFIG_INT128=y" >> $config_host_mak
7291 fi
7292
7293 if test "$atomic128" = "yes" ; then
7294   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7295 fi
7296
7297 if test "$cmpxchg128" = "yes" ; then
7298   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7299 fi
7300
7301 if test "$atomic64" = "yes" ; then
7302   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7303 fi
7304
7305 if test "$attralias" = "yes" ; then
7306   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7307 fi
7308
7309 if test "$getauxval" = "yes" ; then
7310   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7311 fi
7312
7313 if test "$glusterfs" = "yes" ; then
7314   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7315   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7316   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7317 fi
7318
7319 if test "$glusterfs_xlator_opt" = "yes" ; then
7320   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7321 fi
7322
7323 if test "$glusterfs_discard" = "yes" ; then
7324   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7325 fi
7326
7327 if test "$glusterfs_fallocate" = "yes" ; then
7328   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7329 fi
7330
7331 if test "$glusterfs_zerofill" = "yes" ; then
7332   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7333 fi
7334
7335 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7336   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7337 fi
7338
7339 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7340   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7341 fi
7342
7343 if test "$libssh" = "yes" ; then
7344   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7345   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7346   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7347 fi
7348
7349 if test "$live_block_migration" = "yes" ; then
7350   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7351 fi
7352
7353 if test "$tpm" = "yes"; then
7354   echo 'CONFIG_TPM=y' >> $config_host_mak
7355 fi
7356
7357 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7358 if have_backend "nop"; then
7359   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7360 fi
7361 if have_backend "simple"; then
7362   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7363   # Set the appropriate trace file.
7364   trace_file="\"$trace_file-\" FMT_pid"
7365 fi
7366 if have_backend "log"; then
7367   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7368 fi
7369 if have_backend "ust"; then
7370   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7371   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7372   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7373 fi
7374 if have_backend "dtrace"; then
7375   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7376   if test "$trace_backend_stap" = "yes" ; then
7377     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7378   fi
7379 fi
7380 if have_backend "ftrace"; then
7381   if test "$linux" = "yes" ; then
7382     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7383   else
7384     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7385   fi
7386 fi
7387 if have_backend "syslog"; then
7388   if test "$posix_syslog" = "yes" ; then
7389     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7390   else
7391     feature_not_found "syslog(trace backend)" "syslog not available"
7392   fi
7393 fi
7394 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7395
7396 if test "$rdma" = "yes" ; then
7397   echo "CONFIG_RDMA=y" >> $config_host_mak
7398   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7399 fi
7400
7401 if test "$pvrdma" = "yes" ; then
7402   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7403 fi
7404
7405 if test "$have_rtnetlink" = "yes" ; then
7406   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7407 fi
7408
7409 if test "$libxml2" = "yes" ; then
7410   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7411   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7412   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7413 fi
7414
7415 if test "$replication" = "yes" ; then
7416   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7417 fi
7418
7419 if test "$have_af_vsock" = "yes" ; then
7420   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7421 fi
7422
7423 if test "$have_sysmacros" = "yes" ; then
7424   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7425 fi
7426
7427 if test "$have_static_assert" = "yes" ; then
7428   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7429 fi
7430
7431 if test "$have_utmpx" = "yes" ; then
7432   echo "HAVE_UTMPX=y" >> $config_host_mak
7433 fi
7434 if test "$have_getrandom" = "yes" ; then
7435   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7436 fi
7437 if test "$ivshmem" = "yes" ; then
7438   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7439 fi
7440 if test "$capstone" != "no" ; then
7441   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7442   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7443   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7444 fi
7445 if test "$debug_mutex" = "yes" ; then
7446   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7447 fi
7448
7449 # Hold two types of flag:
7450 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7451 #                                     a thread we have a handle to
7452 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7453 #                                     platform
7454 if test "$pthread_setname_np_w_tid" = "yes" ; then
7455   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7456   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7457 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7458   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7459   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7460 fi
7461
7462 if test "$libpmem" = "yes" ; then
7463   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7464   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7465   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7466 fi
7467
7468 if test "$libdaxctl" = "yes" ; then
7469   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7470   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7471 fi
7472
7473 if test "$bochs" = "yes" ; then
7474   echo "CONFIG_BOCHS=y" >> $config_host_mak
7475 fi
7476 if test "$cloop" = "yes" ; then
7477   echo "CONFIG_CLOOP=y" >> $config_host_mak
7478 fi
7479 if test "$dmg" = "yes" ; then
7480   echo "CONFIG_DMG=y" >> $config_host_mak
7481 fi
7482 if test "$qcow1" = "yes" ; then
7483   echo "CONFIG_QCOW1=y" >> $config_host_mak
7484 fi
7485 if test "$vdi" = "yes" ; then
7486   echo "CONFIG_VDI=y" >> $config_host_mak
7487 fi
7488 if test "$vvfat" = "yes" ; then
7489   echo "CONFIG_VVFAT=y" >> $config_host_mak
7490 fi
7491 if test "$qed" = "yes" ; then
7492   echo "CONFIG_QED=y" >> $config_host_mak
7493 fi
7494 if test "$parallels" = "yes" ; then
7495   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7496 fi
7497 if test "$sheepdog" = "yes" ; then
7498   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7499 fi
7500 if test "$pty_h" = "yes" ; then
7501   echo "HAVE_PTY_H=y" >> $config_host_mak
7502 fi
7503 if test "$have_mlockall" = "yes" ; then
7504   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7505 fi
7506 if test "$fuzzing" = "yes" ; then
7507   QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7508 fi
7509
7510 if test "$plugins" = "yes" ; then
7511     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7512     LIBS="-ldl $LIBS"
7513     # Copy the export object list to the build dir
7514     if test "$ld_dynamic_list" = "yes" ; then
7515         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7516         ld_symbols=qemu-plugins-ld.symbols
7517         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7518     elif test "$ld_exported_symbols_list" = "yes" ; then
7519         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7520         ld64_symbols=qemu-plugins-ld64.symbols
7521         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7522         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7523             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7524     else
7525         error_exit \
7526             "If \$plugins=yes, either \$ld_dynamic_list or " \
7527             "\$ld_exported_symbols_list should have been set to 'yes'."
7528     fi
7529 fi
7530
7531 if test -n "$gdb_bin" ; then
7532     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7533 fi
7534
7535 if test "$secret_keyring" = "yes" ; then
7536   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7537   if test "$have_keyutils" = "yes" ; then
7538     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7539   fi
7540 fi
7541
7542 if test "$tcg_interpreter" = "yes"; then
7543   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7544 elif test "$ARCH" = "sparc64" ; then
7545   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7546 elif test "$ARCH" = "s390x" ; then
7547   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7548 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7549   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7550 elif test "$ARCH" = "ppc64" ; then
7551   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7552 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7553   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7554 else
7555   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7556 fi
7557
7558 echo "ROMS=$roms" >> $config_host_mak
7559 echo "MAKE=$make" >> $config_host_mak
7560 echo "INSTALL=$install" >> $config_host_mak
7561 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7562 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7563 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7564 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7565 echo "PYTHON=$python" >> $config_host_mak
7566 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7567 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7568 echo "MESON=$meson" >> $config_host_mak
7569 echo "CC=$cc" >> $config_host_mak
7570 if $iasl -h > /dev/null 2>&1; then
7571   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7572 fi
7573 echo "CXX=$cxx" >> $config_host_mak
7574 echo "OBJCC=$objcc" >> $config_host_mak
7575 echo "AR=$ar" >> $config_host_mak
7576 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7577 echo "AS=$as" >> $config_host_mak
7578 echo "CCAS=$ccas" >> $config_host_mak
7579 echo "CPP=$cpp" >> $config_host_mak
7580 echo "OBJCOPY=$objcopy" >> $config_host_mak
7581 echo "LD=$ld" >> $config_host_mak
7582 echo "RANLIB=$ranlib" >> $config_host_mak
7583 echo "NM=$nm" >> $config_host_mak
7584 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7585 echo "WINDRES=$windres" >> $config_host_mak
7586 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7587 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7588 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7589 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7590 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7591 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7592 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7593 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7594 if test "$sparse" = "yes" ; then
7595   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7596 fi
7597 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7598 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7599 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7600 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7601 echo "LIBS+=$LIBS" >> $config_host_mak
7602 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7603 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7604 echo "EXESUF=$EXESUF" >> $config_host_mak
7605 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7606 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7607 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7608 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7609 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7610 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7611 if test "$gcov" = "yes" ; then
7612   echo "CONFIG_GCOV=y" >> $config_host_mak
7613 fi
7614
7615 if test "$libudev" != "no"; then
7616     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7617     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7618 fi
7619 if test "$fuzzing" != "no"; then
7620     echo "CONFIG_FUZZ=y" >> $config_host_mak
7621 fi
7622
7623 if test "$edk2_blobs" = "yes" ; then
7624   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7625 fi
7626
7627 if test "$rng_none" = "yes"; then
7628   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7629 fi
7630
7631 # use included Linux headers
7632 if test "$linux" = "yes" ; then
7633   mkdir -p linux-headers
7634   case "$cpu" in
7635   i386|x86_64|x32)
7636     linux_arch=x86
7637     ;;
7638   ppc|ppc64|ppc64le)
7639     linux_arch=powerpc
7640     ;;
7641   s390x)
7642     linux_arch=s390
7643     ;;
7644   aarch64)
7645     linux_arch=arm64
7646     ;;
7647   mips64)
7648     linux_arch=mips
7649     ;;
7650   *)
7651     # For most CPUs the kernel architecture name and QEMU CPU name match.
7652     linux_arch="$cpu"
7653     ;;
7654   esac
7655     # For non-KVM architectures we will not have asm headers
7656     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7657       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7658     fi
7659 fi
7660
7661 for target in $target_list; do
7662 target_dir="$target"
7663 config_target_mak=$target_dir/config-target.mak
7664 target_name=$(echo $target | cut -d '-' -f 1)
7665 target_aligned_only="no"
7666 case "$target_name" in
7667   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7668   target_aligned_only="yes"
7669   ;;
7670 esac
7671 target_bigendian="no"
7672 case "$target_name" in
7673   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7674   target_bigendian="yes"
7675   ;;
7676 esac
7677 target_softmmu="no"
7678 target_user_only="no"
7679 target_linux_user="no"
7680 target_bsd_user="no"
7681 case "$target" in
7682   ${target_name}-softmmu)
7683     target_softmmu="yes"
7684     ;;
7685   ${target_name}-linux-user)
7686     target_user_only="yes"
7687     target_linux_user="yes"
7688     ;;
7689   ${target_name}-bsd-user)
7690     target_user_only="yes"
7691     target_bsd_user="yes"
7692     ;;
7693   *)
7694     error_exit "Target '$target' not recognised"
7695     exit 1
7696     ;;
7697 esac
7698
7699 mkdir -p $target_dir
7700 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7701
7702 bflt="no"
7703 mttcg="no"
7704 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7705 gdb_xml_files=""
7706
7707 TARGET_ARCH="$target_name"
7708 TARGET_BASE_ARCH=""
7709 TARGET_ABI_DIR=""
7710 TARGET_SYSTBL_ABI=""
7711 TARGET_SYSTBL=""
7712
7713 case "$target_name" in
7714   i386)
7715     mttcg="yes"
7716         gdb_xml_files="i386-32bit.xml"
7717     TARGET_SYSTBL_ABI=i386
7718     TARGET_SYSTBL=syscall_32.tbl
7719   ;;
7720   x86_64)
7721     TARGET_BASE_ARCH=i386
7722     TARGET_SYSTBL_ABI=common,64
7723     TARGET_SYSTBL=syscall_64.tbl
7724     mttcg="yes"
7725     gdb_xml_files="i386-64bit.xml"
7726   ;;
7727   alpha)
7728     mttcg="yes"
7729     TARGET_SYSTBL_ABI=common
7730   ;;
7731   arm|armeb)
7732     TARGET_ARCH=arm
7733     TARGET_SYSTBL_ABI=common,oabi
7734     bflt="yes"
7735     mttcg="yes"
7736     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7737   ;;
7738   aarch64|aarch64_be)
7739     TARGET_ARCH=aarch64
7740     TARGET_BASE_ARCH=arm
7741     bflt="yes"
7742     mttcg="yes"
7743     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"
7744   ;;
7745   avr)
7746     gdb_xml_files="avr-cpu.xml"
7747     target_compiler=$cross_cc_avr
7748   ;;
7749   cris)
7750   ;;
7751   hppa)
7752     mttcg="yes"
7753     TARGET_SYSTBL_ABI=common,32
7754   ;;
7755   lm32)
7756   ;;
7757   m68k)
7758     bflt="yes"
7759     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7760     TARGET_SYSTBL_ABI=common
7761   ;;
7762   microblaze|microblazeel)
7763     TARGET_ARCH=microblaze
7764     TARGET_SYSTBL_ABI=common
7765     mttcg="yes"
7766     bflt="yes"
7767     echo "TARGET_ABI32=y" >> $config_target_mak
7768   ;;
7769   mips|mipsel)
7770     mttcg="yes"
7771     TARGET_ARCH=mips
7772     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7773     TARGET_SYSTBL_ABI=o32
7774     TARGET_SYSTBL=syscall_o32.tbl
7775   ;;
7776   mipsn32|mipsn32el)
7777     mttcg="yes"
7778     TARGET_ARCH=mips64
7779     TARGET_BASE_ARCH=mips
7780     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7781     echo "TARGET_ABI32=y" >> $config_target_mak
7782     TARGET_SYSTBL_ABI=n32
7783     TARGET_SYSTBL=syscall_n32.tbl
7784   ;;
7785   mips64|mips64el)
7786     mttcg="no"
7787     TARGET_ARCH=mips64
7788     TARGET_BASE_ARCH=mips
7789     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7790     TARGET_SYSTBL_ABI=n64
7791     TARGET_SYSTBL=syscall_n64.tbl
7792   ;;
7793   moxie)
7794   ;;
7795   nios2)
7796   ;;
7797   or1k)
7798     TARGET_ARCH=openrisc
7799     TARGET_BASE_ARCH=openrisc
7800   ;;
7801   ppc)
7802     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7803     TARGET_SYSTBL_ABI=common,nospu,32
7804   ;;
7805   ppc64)
7806     TARGET_BASE_ARCH=ppc
7807     TARGET_ABI_DIR=ppc
7808     TARGET_SYSTBL_ABI=common,nospu,64
7809     mttcg=yes
7810     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7811   ;;
7812   ppc64le)
7813     TARGET_ARCH=ppc64
7814     TARGET_BASE_ARCH=ppc
7815     TARGET_ABI_DIR=ppc
7816     TARGET_SYSTBL_ABI=common,nospu,64
7817     mttcg=yes
7818     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7819   ;;
7820   ppc64abi32)
7821     TARGET_ARCH=ppc64
7822     TARGET_BASE_ARCH=ppc
7823     TARGET_ABI_DIR=ppc
7824     TARGET_SYSTBL_ABI=common,nospu,32
7825     echo "TARGET_ABI32=y" >> $config_target_mak
7826     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7827   ;;
7828   riscv32)
7829     TARGET_BASE_ARCH=riscv
7830     TARGET_ABI_DIR=riscv
7831     mttcg=yes
7832     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7833   ;;
7834   riscv64)
7835     TARGET_BASE_ARCH=riscv
7836     TARGET_ABI_DIR=riscv
7837     mttcg=yes
7838     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7839   ;;
7840   rx)
7841     TARGET_ARCH=rx
7842     bflt="yes"
7843     target_compiler=$cross_cc_rx
7844     gdb_xml_files="rx-core.xml"
7845   ;;
7846   sh4|sh4eb)
7847     TARGET_ARCH=sh4
7848     TARGET_SYSTBL_ABI=common
7849     bflt="yes"
7850   ;;
7851   sparc)
7852     TARGET_SYSTBL_ABI=common,32
7853   ;;
7854   sparc64)
7855     TARGET_BASE_ARCH=sparc
7856     TARGET_SYSTBL_ABI=common,64
7857   ;;
7858   sparc32plus)
7859     TARGET_ARCH=sparc64
7860     TARGET_BASE_ARCH=sparc
7861     TARGET_ABI_DIR=sparc
7862     TARGET_SYSTBL_ABI=common,32
7863     echo "TARGET_ABI32=y" >> $config_target_mak
7864   ;;
7865   s390x)
7866     TARGET_SYSTBL_ABI=common,64
7867     mttcg=yes
7868     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7869   ;;
7870   tilegx)
7871   ;;
7872   tricore)
7873   ;;
7874   unicore32)
7875   ;;
7876   xtensa|xtensaeb)
7877     TARGET_ARCH=xtensa
7878     TARGET_SYSTBL_ABI=common
7879     bflt="yes"
7880     mttcg="yes"
7881   ;;
7882   *)
7883     error_exit "Unsupported target CPU"
7884   ;;
7885 esac
7886 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7887 if [ "$TARGET_BASE_ARCH" = "" ]; then
7888   TARGET_BASE_ARCH=$TARGET_ARCH
7889 fi
7890 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7891   TARGET_SYSTBL=syscall.tbl
7892 fi
7893
7894 upper() {
7895     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7896 }
7897
7898 target_arch_name="$(upper $TARGET_ARCH)"
7899 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7900 echo "TARGET_NAME=$target_name" >> $config_target_mak
7901 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7902 if [ "$TARGET_ABI_DIR" = "" ]; then
7903   TARGET_ABI_DIR=$TARGET_ARCH
7904 fi
7905 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7906 if [ "$HOST_VARIANT_DIR" != "" ]; then
7907     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7908 fi
7909 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7910     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7911     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7912 fi
7913
7914 if supported_xen_target $target; then
7915     echo "CONFIG_XEN=y" >> $config_target_mak
7916     if test "$xen_pci_passthrough" = yes; then
7917         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7918     fi
7919 fi
7920 if supported_kvm_target $target; then
7921     echo "CONFIG_KVM=y" >> $config_target_mak
7922 fi
7923 if supported_hax_target $target; then
7924     echo "CONFIG_HAX=y" >> $config_target_mak
7925 fi
7926 if supported_hvf_target $target; then
7927     echo "CONFIG_HVF=y" >> $config_target_mak
7928 fi
7929 if supported_whpx_target $target; then
7930     echo "CONFIG_WHPX=y" >> $config_target_mak
7931 fi
7932 if test "$target_aligned_only" = "yes" ; then
7933   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7934 fi
7935 if test "$target_bigendian" = "yes" ; then
7936   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7937 fi
7938 if test "$target_softmmu" = "yes" ; then
7939   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7940   if test "$mttcg" = "yes" ; then
7941     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7942   fi
7943 fi
7944 if test "$target_user_only" = "yes" ; then
7945   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7946   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7947   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7948 else
7949   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7950 fi
7951 if test "$target_linux_user" = "yes" ; then
7952   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7953 fi
7954 list=""
7955 if test ! -z "$gdb_xml_files" ; then
7956   for x in $gdb_xml_files; do
7957     list="$list gdb-xml/$x"
7958   done
7959   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7960 fi
7961
7962 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7963   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7964 fi
7965 if test "$target_bsd_user" = "yes" ; then
7966   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7967 fi
7968
7969
7970 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7971
7972 disas_config() {
7973   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7974   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7975 }
7976
7977 for i in $ARCH $TARGET_BASE_ARCH ; do
7978   case "$i" in
7979   alpha)
7980     disas_config "ALPHA"
7981   ;;
7982   aarch64)
7983     if test -n "${cxx}"; then
7984       disas_config "ARM_A64"
7985     fi
7986   ;;
7987   arm)
7988     disas_config "ARM"
7989     if test -n "${cxx}"; then
7990       disas_config "ARM_A64"
7991     fi
7992   ;;
7993   avr)
7994     disas_config "AVR"
7995   ;;
7996   cris)
7997     disas_config "CRIS"
7998   ;;
7999   hppa)
8000     disas_config "HPPA"
8001   ;;
8002   i386|x86_64|x32)
8003     disas_config "I386"
8004   ;;
8005   lm32)
8006     disas_config "LM32"
8007   ;;
8008   m68k)
8009     disas_config "M68K"
8010   ;;
8011   microblaze*)
8012     disas_config "MICROBLAZE"
8013   ;;
8014   mips*)
8015     disas_config "MIPS"
8016     if test -n "${cxx}"; then
8017       disas_config "NANOMIPS"
8018     fi
8019   ;;
8020   moxie*)
8021     disas_config "MOXIE"
8022   ;;
8023   nios2)
8024     disas_config "NIOS2"
8025   ;;
8026   or1k)
8027     disas_config "OPENRISC"
8028   ;;
8029   ppc*)
8030     disas_config "PPC"
8031   ;;
8032   riscv*)
8033     disas_config "RISCV"
8034   ;;
8035   rx)
8036     disas_config "RX"
8037   ;;
8038   s390*)
8039     disas_config "S390"
8040   ;;
8041   sh4)
8042     disas_config "SH4"
8043   ;;
8044   sparc*)
8045     disas_config "SPARC"
8046   ;;
8047   xtensa*)
8048     disas_config "XTENSA"
8049   ;;
8050   esac
8051 done
8052 if test "$tcg_interpreter" = "yes" ; then
8053   disas_config "TCI"
8054 fi
8055
8056 done # for target in $targets
8057
8058 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8059 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8060
8061 if [ "$fdt" = "git" ]; then
8062   subdirs="$subdirs dtc"
8063 fi
8064 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8065   subdirs="$subdirs capstone"
8066 fi
8067 echo "SUBDIRS=$subdirs" >> $config_host_mak
8068 if test -n "$LIBCAPSTONE"; then
8069   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8070 fi
8071
8072 if test "$numa" = "yes"; then
8073   echo "CONFIG_NUMA=y" >> $config_host_mak
8074   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8075 fi
8076
8077 if test "$ccache_cpp2" = "yes"; then
8078   echo "export CCACHE_CPP2=y" >> $config_host_mak
8079 fi
8080
8081 if test "$safe_stack" = "yes"; then
8082   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8083 fi
8084
8085 # If we're using a separate build tree, set it up now.
8086 # DIRS are directories which we simply mkdir in the build tree;
8087 # LINKS are things to symlink back into the source tree
8088 # (these can be both files and directories).
8089 # Caution: do not add files or directories here using wildcards. This
8090 # will result in problems later if a new file matching the wildcard is
8091 # added to the source tree -- nothing will cause configure to be rerun
8092 # so the build tree will be missing the link back to the new file, and
8093 # tests might fail. Prefer to keep the relevant files in their own
8094 # directory and symlink the directory instead.
8095 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8096 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8097 DIRS="$DIRS docs docs/interop fsdev scsi"
8098 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8099 DIRS="$DIRS roms/seabios"
8100 LINKS="Makefile"
8101 LINKS="$LINKS tests/tcg/lm32/Makefile"
8102 LINKS="$LINKS tests/tcg/Makefile.target"
8103 LINKS="$LINKS pc-bios/optionrom/Makefile"
8104 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8105 LINKS="$LINKS roms/seabios/Makefile"
8106 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8107 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8108 LINKS="$LINKS tests/acceptance tests/data"
8109 LINKS="$LINKS tests/qemu-iotests/check"
8110 LINKS="$LINKS python"
8111 for bios_file in \
8112     $source_path/pc-bios/*.bin \
8113     $source_path/pc-bios/*.elf \
8114     $source_path/pc-bios/*.lid \
8115     $source_path/pc-bios/*.rom \
8116     $source_path/pc-bios/*.dtb \
8117     $source_path/pc-bios/*.img \
8118     $source_path/pc-bios/openbios-* \
8119     $source_path/pc-bios/u-boot.* \
8120     $source_path/pc-bios/edk2-*.fd.bz2 \
8121     $source_path/pc-bios/palcode-*
8122 do
8123     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8124 done
8125 mkdir -p $DIRS
8126 for f in $LINKS ; do
8127     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8128         symlink "$source_path/$f" "$f"
8129     fi
8130 done
8131
8132 (for i in $cross_cc_vars; do
8133   export $i
8134 done
8135 export target_list source_path use_containers
8136 $source_path/tests/tcg/configure.sh)
8137
8138 # temporary config to build submodules
8139 for rom in seabios; do
8140     config_mak=roms/$rom/config.mak
8141     echo "# Automatically generated by configure - do not modify" > $config_mak
8142     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8143     echo "AS=$as" >> $config_mak
8144     echo "CCAS=$ccas" >> $config_mak
8145     echo "CC=$cc" >> $config_mak
8146     echo "BCC=bcc" >> $config_mak
8147     echo "CPP=$cpp" >> $config_mak
8148     echo "OBJCOPY=objcopy" >> $config_mak
8149     echo "IASL=$iasl" >> $config_mak
8150     echo "LD=$ld" >> $config_mak
8151     echo "RANLIB=$ranlib" >> $config_mak
8152 done
8153
8154 # set up qemu-iotests in this build directory
8155 iotests_common_env="tests/qemu-iotests/common.env"
8156
8157 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8158 echo >> "$iotests_common_env"
8159 echo "export PYTHON='$python'" >> "$iotests_common_env"
8160
8161 if test "$skip_meson" = no; then
8162 cross="config-meson.cross.new"
8163 meson_quote() {
8164     echo "['$(echo $* | sed "s/ /','/g")']"
8165 }
8166
8167 echo "# Automatically generated by configure - do not modify" > $cross
8168 echo "[properties]" >> $cross
8169 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8170 echo "[binaries]" >> $cross
8171 echo "c = $(meson_quote $cc)" >> $cross
8172 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8173 echo "ar = $(meson_quote $ar)" >> $cross
8174 echo "nm = $(meson_quote $nm)" >> $cross
8175 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8176 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8177 echo "strip = $(meson_quote $strip)" >> $cross
8178 echo "windres = $(meson_quote $windres)" >> $cross
8179 if test -n "$cross_prefix"; then
8180     cross_arg="--cross-file config-meson.cross"
8181     # Hack: Meson expects an absolute path for the *build* machine
8182     # for the prefix, so add a slash in front of a Windows path that
8183     # includes a drive letter.
8184     #
8185     # See https://github.com/mesonbuild/meson/issues/7577.
8186     echo "[host_machine]" >> $cross
8187     if test "$mingw32" = "yes" ; then
8188         echo "system = 'windows'" >> $cross
8189         case $prefix in
8190             ?:*) pre_prefix=/ ;;
8191         esac
8192     fi
8193     case "$ARCH" in
8194         i386|x86_64)
8195             echo "cpu_family = 'x86'" >> $cross
8196             ;;
8197         ppc64le)
8198             echo "cpu_family = 'ppc64'" >> $cross
8199             ;;
8200         *)
8201             echo "cpu_family = '$ARCH'" >> $cross
8202             ;;
8203     esac
8204     echo "cpu = '$cpu'" >> $cross
8205     if test "$bigendian" = "yes" ; then
8206         echo "endian = 'big'" >> $cross
8207     else
8208         echo "endian = 'little'" >> $cross
8209     fi
8210 else
8211     cross_arg="--native-file config-meson.cross"
8212 fi
8213 mv $cross config-meson.cross
8214
8215 rm -rf meson-private meson-info meson-logs
8216 NINJA=$PWD/ninjatool $meson setup \
8217         --prefix "${pre_prefix}$prefix" \
8218         --libdir "${pre_prefix}$libdir" \
8219         --libexecdir "${pre_prefix}$libexecdir" \
8220         --bindir "${pre_prefix}$bindir" \
8221         --includedir "${pre_prefix}$includedir" \
8222         --datadir "${pre_prefix}$datadir" \
8223         --mandir "${pre_prefix}$mandir" \
8224         --sysconfdir "${pre_prefix}$sysconfdir" \
8225         --localstatedir "${pre_prefix}$local_statedir" \
8226         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8227         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8228         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8229         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8230         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8231         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8232         -Dsdl=$sdl -Dsdl_image=$sdl_image \
8233         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
8234         -Dgettext=$gettext -Dxkbcommon=$xkbcommon \
8235         $cross_arg \
8236         "$PWD" "$source_path"
8237
8238 if test "$?" -ne 0 ; then
8239     error_exit "meson setup failed"
8240 fi
8241 touch ninjatool.stamp
8242 fi
8243
8244 # Save the configure command line for later reuse.
8245 cat <<EOD >config.status
8246 #!/bin/sh
8247 # Generated by configure.
8248 # Run this file to recreate the current configuration.
8249 # Compiler output produced by configure, useful for debugging
8250 # configure, is in config.log if it exists.
8251 EOD
8252
8253 preserve_env() {
8254     envname=$1
8255
8256     eval envval=\$$envname
8257
8258     if test -n "$envval"
8259     then
8260         echo "$envname='$envval'" >> config.status
8261         echo "export $envname" >> config.status
8262     else
8263         echo "unset $envname" >> config.status
8264     fi
8265 }
8266
8267 # Preserve various env variables that influence what
8268 # features/build target configure will detect
8269 preserve_env AR
8270 preserve_env AS
8271 preserve_env CC
8272 preserve_env CPP
8273 preserve_env CXX
8274 preserve_env INSTALL
8275 preserve_env LD
8276 preserve_env LD_LIBRARY_PATH
8277 preserve_env LIBTOOL
8278 preserve_env MAKE
8279 preserve_env NM
8280 preserve_env OBJCOPY
8281 preserve_env PATH
8282 preserve_env PKG_CONFIG
8283 preserve_env PKG_CONFIG_LIBDIR
8284 preserve_env PKG_CONFIG_PATH
8285 preserve_env PYTHON
8286 preserve_env SDL2_CONFIG
8287 preserve_env SMBD
8288 preserve_env STRIP
8289 preserve_env WINDRES
8290
8291 printf "exec" >>config.status
8292 for i in "$0" "$@"; do
8293   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8294 done
8295 echo ' "$@"' >>config.status
8296 chmod +x config.status
8297
8298 rm -r "$TMPDIR1"