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