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 u2f="auto"
 499 libusb=""
 500 usb_redir=""
 501 opengl=""
 502 opengl_dmabuf="no"
 503 cpuid_h="no"
 504 avx2_opt=""
 505 zlib="yes"
 506 capstone=""
 507 lzo=""
 508 snappy=""
 509 bzip2=""
 510 lzfse=""
 511 zstd=""
 512 guest_agent=""
 513 guest_agent_with_vss="no"
 514 guest_agent_ntddscsi="no"
 515 guest_agent_msi=""
 516 vss_win32_sdk=""
 517 win_sdk="no"
 518 want_tools=""
 519 libiscsi=""
 520 libnfs=""
 521 coroutine=""
 522 coroutine_pool=""
 523 debug_stack_usage="no"
 524 crypto_afalg="no"
 525 seccomp=""
 526 glusterfs=""
 527 glusterfs_xlator_opt="no"
 528 glusterfs_discard="no"
 529 glusterfs_fallocate="no"
 530 glusterfs_zerofill="no"
 531 glusterfs_ftruncate_has_stat="no"
 532 glusterfs_iocb_has_stat="no"
 533 gtk=""
 534 gtk_gl="no"
 535 tls_priority="NORMAL"
 536 gnutls=""
 537 nettle=""
 538 nettle_xts="no"
 539 gcrypt=""
 540 gcrypt_hmac="no"
 541 gcrypt_xts="no"
 542 qemu_private_xts="yes"
 543 auth_pam=""
 544 vte=""
 545 virglrenderer=""
 546 tpm=""
 547 libssh=""
 548 live_block_migration="yes"
 549 numa=""
 550 tcmalloc="no"
 551 jemalloc="no"
 552 replication="yes"
 553 bochs="yes"
 554 cloop="yes"
 555 dmg="yes"
 556 qcow1="yes"
 557 vdi="yes"
 558 vvfat="yes"
 559 qed="yes"
 560 parallels="yes"
 561 sheepdog="yes"
 562 libxml2=""
 563 debug_mutex="no"
 564 libpmem=""
 565 default_devices="yes"
 566 plugins="no"
 567 fuzzing="no"
 568 rng_none="no"
 569 secret_keyring=""
 570 libdaxctl=""
 571 meson=""
 572 ninja=""
 573 skip_meson=no
 574 gettext=""
 575
 576 bogus_os="no"
 577 malloc_trim=""
 578
 579 # parse CC options first
 580 for opt do
 581   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 582   case "$opt" in
 583   --cross-prefix=*) cross_prefix="$optarg"
 584   ;;
 585   --cc=*) CC="$optarg"
 586   ;;
 587   --cxx=*) CXX="$optarg"
 588   ;;
 589   --cpu=*) cpu="$optarg"
 590   ;;
 591   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 592                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 593   ;;
 594   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 595   ;;
 596   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 597                      EXTRA_LDFLAGS="$optarg"
 598   ;;
 599   --enable-debug-info) debug_info="yes"
 600   ;;
 601   --disable-debug-info) debug_info="no"
 602   ;;
 603   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 604   ;;
 605   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 606                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 607                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 608   ;;
 609   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 610                 cc_archs="$cc_archs $cc_arch"
 611                 eval "cross_cc_${cc_arch}=\$optarg"
 612                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 613   ;;
 614   esac
 615 done
 616 # OS specific
 617 # Using uname is really, really broken.  Once we have the right set of checks
 618 # we can eliminate its usage altogether.
 619
 620 # Preferred compiler:
 621 #  ${CC} (if set)
 622 #  ${cross_prefix}gcc (if cross-prefix specified)
 623 #  system compiler
 624 if test -z "${CC}${cross_prefix}"; then
 625   cc="$host_cc"
 626 else
 627   cc="${CC-${cross_prefix}gcc}"
 628 fi
 629
 630 if test -z "${CXX}${cross_prefix}"; then
 631   cxx="c++"
 632 else
 633   cxx="${CXX-${cross_prefix}g++}"
 634 fi
 635
 636 ar="${AR-${cross_prefix}ar}"
 637 as="${AS-${cross_prefix}as}"
 638 ccas="${CCAS-$cc}"
 639 cpp="${CPP-$cc -E}"
 640 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 641 ld="${LD-${cross_prefix}ld}"
 642 ranlib="${RANLIB-${cross_prefix}ranlib}"
 643 nm="${NM-${cross_prefix}nm}"
 644 strip="${STRIP-${cross_prefix}strip}"
 645 windres="${WINDRES-${cross_prefix}windres}"
 646 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 647 query_pkg_config() {
 648     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 649 }
 650 pkg_config=query_pkg_config
 651 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 652
 653 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 654 ARFLAGS="${ARFLAGS-rv}"
 655
 656 # default flags for all hosts
 657 # We use -fwrapv to tell the compiler that we require a C dialect where
 658 # left shift of signed integers is well defined and has the expected
 659 # 2s-complement style results. (Both clang and gcc agree that it
 660 # provides these semantics.)
 661 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 662 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 663 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 664 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 665 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 666 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 667 CFLAGS="-std=gnu99 -Wall"
 668
 669
 670 # running configure in the source tree?
 671 # we know that's the case if configure is there.
 672 if test -f "./configure"; then
 673     pwd_is_source_path="y"
 674 else
 675     pwd_is_source_path="n"
 676 fi
 677
 678 check_define() {
 679 cat > $TMPC <<EOF
 680 #if !defined($1)
 681 #error $1 not defined
 682 #endif
 683 int main(void) { return 0; }
 684 EOF
 685   compile_object
 686 }
 687
 688 check_include() {
 689 cat > $TMPC <<EOF
 690 #include <$1>
 691 int main(void) { return 0; }
 692 EOF
 693   compile_object
 694 }
 695
 696 write_c_skeleton() {
 697     cat > $TMPC <<EOF
 698 int main(void) { return 0; }
 699 EOF
 700 }
 701
 702 write_c_fuzzer_skeleton() {
 703     cat > $TMPC <<EOF
 704 #include <stdint.h>
 705 #include <sys/types.h>
 706 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 707 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 708 EOF
 709 }
 710
 711 if check_define __linux__ ; then
 712   targetos="Linux"
 713 elif check_define _WIN32 ; then
 714   targetos='MINGW32'
 715 elif check_define __OpenBSD__ ; then
 716   targetos='OpenBSD'
 717 elif check_define __sun__ ; then
 718   targetos='SunOS'
 719 elif check_define __HAIKU__ ; then
 720   targetos='Haiku'
 721 elif check_define __FreeBSD__ ; then
 722   targetos='FreeBSD'
 723 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 724   targetos='GNU/kFreeBSD'
 725 elif check_define __DragonFly__ ; then
 726   targetos='DragonFly'
 727 elif check_define __NetBSD__; then
 728   targetos='NetBSD'
 729 elif check_define __APPLE__; then
 730   targetos='Darwin'
 731 else
 732   # This is a fatal error, but don't report it yet, because we
 733   # might be going to just print the --help text, or it might
 734   # be the result of a missing compiler.
 735   targetos='bogus'
 736   bogus_os='yes'
 737 fi
 738
 739 # Some host OSes need non-standard checks for which CPU to use.
 740 # Note that these checks are broken for cross-compilation: if you're
 741 # cross-compiling to one of these OSes then you'll need to specify
 742 # the correct CPU with the --cpu option.
 743 case $targetos in
 744 Darwin)
 745   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 746   # run 64-bit userspace code.
 747   # If the user didn't specify a CPU explicitly and the kernel says this is
 748   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 749   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 750     cpu="x86_64"
 751   fi
 752   ;;
 753 SunOS)
 754   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 755   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 756     cpu="x86_64"
 757   fi
 758 esac
 759
 760 if test ! -z "$cpu" ; then
 761   # command line argument
 762   :
 763 elif check_define __i386__ ; then
 764   cpu="i386"
 765 elif check_define __x86_64__ ; then
 766   if check_define __ILP32__ ; then
 767     cpu="x32"
 768   else
 769     cpu="x86_64"
 770   fi
 771 elif check_define __sparc__ ; then
 772   if check_define __arch64__ ; then
 773     cpu="sparc64"
 774   else
 775     cpu="sparc"
 776   fi
 777 elif check_define _ARCH_PPC ; then
 778   if check_define _ARCH_PPC64 ; then
 779     if check_define _LITTLE_ENDIAN ; then
 780       cpu="ppc64le"
 781     else
 782       cpu="ppc64"
 783     fi
 784   else
 785     cpu="ppc"
 786   fi
 787 elif check_define __mips__ ; then
 788   cpu="mips"
 789 elif check_define __s390__ ; then
 790   if check_define __s390x__ ; then
 791     cpu="s390x"
 792   else
 793     cpu="s390"
 794   fi
 795 elif check_define __riscv ; then
 796   if check_define _LP64 ; then
 797     cpu="riscv64"
 798   else
 799     cpu="riscv32"
 800   fi
 801 elif check_define __arm__ ; then
 802   cpu="arm"
 803 elif check_define __aarch64__ ; then
 804   cpu="aarch64"
 805 else
 806   cpu=$(uname -m)
 807 fi
 808
 809 ARCH=
 810 # Normalise host CPU name and set ARCH.
 811 # Note that this case should only have supported host CPUs, not guests.
 812 case "$cpu" in
 813   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 814   ;;
 815   ppc64le)
 816     ARCH="ppc64"
 817   ;;
 818   i386|i486|i586|i686|i86pc|BePC)
 819     cpu="i386"
 820   ;;
 821   x86_64|amd64)
 822     cpu="x86_64"
 823   ;;
 824   armv*b|armv*l|arm)
 825     cpu="arm"
 826   ;;
 827   aarch64)
 828     cpu="aarch64"
 829   ;;
 830   mips*)
 831     cpu="mips"
 832   ;;
 833   sparc|sun4[cdmuv])
 834     cpu="sparc"
 835   ;;
 836   *)
 837     # This will result in either an error or falling back to TCI later
 838     ARCH=unknown
 839   ;;
 840 esac
 841 if test -z "$ARCH"; then
 842   ARCH="$cpu"
 843 fi
 844
 845 # OS specific
 846
 847 # host *BSD for user mode
 848 HOST_VARIANT_DIR=""
 849
 850 case $targetos in
 851 MINGW32*)
 852   mingw32="yes"
 853   hax="yes"
 854   vhost_user="no"
 855   audio_possible_drivers="dsound sdl"
 856   if check_include dsound.h; then
 857     audio_drv_list="dsound"
 858   else
 859     audio_drv_list=""
 860   fi
 861   supported_os="yes"
 862   pie="no"
 863 ;;
 864 GNU/kFreeBSD)
 865   bsd="yes"
 866   audio_drv_list="oss try-sdl"
 867   audio_possible_drivers="oss sdl pa"
 868 ;;
 869 FreeBSD)
 870   bsd="yes"
 871   make="${MAKE-gmake}"
 872   audio_drv_list="oss try-sdl"
 873   audio_possible_drivers="oss sdl pa"
 874   # needed for kinfo_getvmmap(3) in libutil.h
 875   LIBS="-lutil $LIBS"
 876   netmap=""  # enable netmap autodetect
 877   HOST_VARIANT_DIR="freebsd"
 878 ;;
 879 DragonFly)
 880   bsd="yes"
 881   make="${MAKE-gmake}"
 882   audio_drv_list="oss try-sdl"
 883   audio_possible_drivers="oss sdl pa"
 884   HOST_VARIANT_DIR="dragonfly"
 885 ;;
 886 NetBSD)
 887   bsd="yes"
 888   hax="yes"
 889   make="${MAKE-gmake}"
 890   audio_drv_list="oss try-sdl"
 891   audio_possible_drivers="oss sdl"
 892   oss_lib="-lossaudio"
 893   HOST_VARIANT_DIR="netbsd"
 894 ;;
 895 OpenBSD)
 896   bsd="yes"
 897   make="${MAKE-gmake}"
 898   audio_drv_list="try-sdl"
 899   audio_possible_drivers="sdl"
 900   HOST_VARIANT_DIR="openbsd"
 901 ;;
 902 Darwin)
 903   bsd="yes"
 904   darwin="yes"
 905   hax="yes"
 906   hvf="yes"
 907   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 908   if [ "$cpu" = "x86_64" ] ; then
 909     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 910     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 911   fi
 912   cocoa="yes"
 913   audio_drv_list="coreaudio try-sdl"
 914   audio_possible_drivers="coreaudio sdl"
 915   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 916   # Disable attempts to use ObjectiveC features in os/object.h since they
 917   # won't work when we're compiling with gcc as a C compiler.
 918   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 919   HOST_VARIANT_DIR="darwin"
 920 ;;
 921 SunOS)
 922   solaris="yes"
 923   make="${MAKE-gmake}"
 924   install="${INSTALL-ginstall}"
 925   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 926   if test -f /usr/include/sys/soundcard.h ; then
 927     audio_drv_list="oss try-sdl"
 928   fi
 929   audio_possible_drivers="oss sdl"
 930 # needed for CMSG_ macros in sys/socket.h
 931   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 932 # needed for TIOCWIN* defines in termios.h
 933   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 934   solarisnetlibs="-lsocket -lnsl -lresolv"
 935   LIBS="$solarisnetlibs $LIBS"
 936 ;;
 937 Haiku)
 938   haiku="yes"
 939   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 940   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 941 ;;
 942 Linux)
 943   audio_drv_list="try-pa oss"
 944   audio_possible_drivers="oss alsa sdl pa"
 945   linux="yes"
 946   linux_user="yes"
 947   kvm="yes"
 948   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 949   libudev="yes"
 950 ;;
 951 esac
 952
 953 if [ "$bsd" = "yes" ] ; then
 954   if [ "$darwin" != "yes" ] ; then
 955     bsd_user="yes"
 956   fi
 957 fi
 958
 959 : ${make=${MAKE-make}}
 960 : ${install=${INSTALL-install}}
 961 # We prefer python 3.x. A bare 'python' is traditionally
 962 # python 2.x, but some distros have it as python 3.x, so
 963 # we check that too
 964 python=
 965 explicit_python=no
 966 for binary in "${PYTHON-python3}" python
 967 do
 968     if has "$binary"
 969     then
 970         python=$(command -v "$binary")
 971         break
 972     fi
 973 done
 974
 975 sphinx_build=
 976 for binary in sphinx-build-3 sphinx-build
 977 do
 978     if has "$binary"
 979     then
 980         sphinx_build=$(command -v "$binary")
 981         break
 982     fi
 983 done
 984
 985 # Check for ancillary tools used in testing
 986 genisoimage=
 987 for binary in genisoimage mkisofs
 988 do
 989     if has $binary
 990     then
 991         genisoimage=$(command -v "$binary")
 992         break
 993     fi
 994 done
 995
 996 : ${smbd=${SMBD-/usr/sbin/smbd}}
 997
 998 # Default objcc to clang if available, otherwise use CC
 999 if has clang; then
1000   objcc=clang
1001 else
1002   objcc="$cc"
1003 fi
1004
1005 if test "$mingw32" = "yes" ; then
1006   EXESUF=".exe"
1007   HOST_DSOSUF=".dll"
1008   # MinGW needs -mthreads for TLS and macro _MT.
1009   CFLAGS="-mthreads $CFLAGS"
1010   LIBS="-lwinmm -lws2_32 $LIBS"
1011   write_c_skeleton;
1012   if compile_prog "" "-liberty" ; then
1013     LIBS="-liberty $LIBS"
1014   fi
1015   prefix="c:/Program Files/QEMU"
1016   confsuffix=""
1017   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1018 fi
1019
1020 werror=""
1021
1022 for opt do
1023   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1024   case "$opt" in
1025   --help|-h) show_help=yes
1026   ;;
1027   --version|-V) exec cat $source_path/VERSION
1028   ;;
1029   --prefix=*) prefix="$optarg"
1030   ;;
1031   --interp-prefix=*) interp_prefix="$optarg"
1032   ;;
1033   --cross-prefix=*)
1034   ;;
1035   --cc=*)
1036   ;;
1037   --host-cc=*) host_cc="$optarg"
1038   ;;
1039   --cxx=*)
1040   ;;
1041   --iasl=*) iasl="$optarg"
1042   ;;
1043   --objcc=*) objcc="$optarg"
1044   ;;
1045   --make=*) make="$optarg"
1046   ;;
1047   --install=*) install="$optarg"
1048   ;;
1049   --python=*) python="$optarg" ; explicit_python=yes
1050   ;;
1051   --sphinx-build=*) sphinx_build="$optarg"
1052   ;;
1053   --skip-meson) skip_meson=yes
1054   ;;
1055   --meson=*) meson="$optarg"
1056   ;;
1057   --ninja=*) ninja="$optarg"
1058   ;;
1059   --smbd=*) smbd="$optarg"
1060   ;;
1061   --extra-cflags=*)
1062   ;;
1063   --extra-cxxflags=*)
1064   ;;
1065   --extra-ldflags=*)
1066   ;;
1067   --enable-debug-info)
1068   ;;
1069   --disable-debug-info)
1070   ;;
1071   --cross-cc-*)
1072   ;;
1073   --enable-modules)
1074       modules="yes"
1075   ;;
1076   --disable-modules)
1077       modules="no"
1078   ;;
1079   --disable-module-upgrades) module_upgrades="no"
1080   ;;
1081   --enable-module-upgrades) module_upgrades="yes"
1082   ;;
1083   --cpu=*)
1084   ;;
1085   --target-list=*) target_list="$optarg"
1086                    if test "$target_list_exclude"; then
1087                        error_exit "Can't mix --target-list with --target-list-exclude"
1088                    fi
1089   ;;
1090   --target-list-exclude=*) target_list_exclude="$optarg"
1091                    if test "$target_list"; then
1092                        error_exit "Can't mix --target-list-exclude with --target-list"
1093                    fi
1094   ;;
1095   --enable-trace-backends=*) trace_backends="$optarg"
1096   ;;
1097   # XXX: backwards compatibility
1098   --enable-trace-backend=*) trace_backends="$optarg"
1099   ;;
1100   --with-trace-file=*) trace_file="$optarg"
1101   ;;
1102   --with-default-devices) default_devices="yes"
1103   ;;
1104   --without-default-devices) default_devices="no"
1105   ;;
1106   --enable-gprof) gprof="yes"
1107   ;;
1108   --enable-gcov) gcov="yes"
1109   ;;
1110   --static)
1111     static="yes"
1112     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1113   ;;
1114   --mandir=*) mandir="$optarg"
1115   ;;
1116   --bindir=*) bindir="$optarg"
1117   ;;
1118   --libdir=*) libdir="$optarg"
1119   ;;
1120   --libexecdir=*) libexecdir="$optarg"
1121   ;;
1122   --includedir=*) includedir="$optarg"
1123   ;;
1124   --datadir=*) datadir="$optarg"
1125   ;;
1126   --with-confsuffix=*) confsuffix="$optarg"
1127   ;;
1128   --docdir=*) qemu_docdir="$optarg"
1129   ;;
1130   --sysconfdir=*) sysconfdir="$optarg"
1131   ;;
1132   --localstatedir=*) local_statedir="$optarg"
1133   ;;
1134   --firmwarepath=*) firmwarepath="$optarg"
1135   ;;
1136   --host=*|--build=*|\
1137   --disable-dependency-tracking|\
1138   --sbindir=*|--sharedstatedir=*|\
1139   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1140   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1141     # These switches are silently ignored, for compatibility with
1142     # autoconf-generated configure scripts. This allows QEMU's
1143     # configure to be used by RPM and similar macros that set
1144     # lots of directory switches by default.
1145   ;;
1146   --disable-sdl) sdl="disabled"
1147   ;;
1148   --enable-sdl) sdl="enabled"
1149   ;;
1150   --disable-sdl-image) sdl_image="disabled"
1151   ;;
1152   --enable-sdl-image) sdl_image="enabled"
1153   ;;
1154   --disable-qom-cast-debug) qom_cast_debug="no"
1155   ;;
1156   --enable-qom-cast-debug) qom_cast_debug="yes"
1157   ;;
1158   --disable-virtfs) virtfs="no"
1159   ;;
1160   --enable-virtfs) virtfs="yes"
1161   ;;
1162   --disable-mpath) mpath="no"
1163   ;;
1164   --enable-mpath) mpath="yes"
1165   ;;
1166   --disable-vnc) vnc="disabled"
1167   ;;
1168   --enable-vnc) vnc="enabled"
1169   ;;
1170   --disable-gettext) gettext="false"
1171   ;;
1172   --enable-gettext) gettext="true"
1173   ;;
1174   --oss-lib=*) oss_lib="$optarg"
1175   ;;
1176   --audio-drv-list=*) audio_drv_list="$optarg"
1177   ;;
1178   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1179   ;;
1180   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1181   ;;
1182   --enable-debug-tcg) debug_tcg="yes"
1183   ;;
1184   --disable-debug-tcg) debug_tcg="no"
1185   ;;
1186   --enable-debug)
1187       # Enable debugging options that aren't excessively noisy
1188       debug_tcg="yes"
1189       debug_mutex="yes"
1190       debug="yes"
1191       strip_opt="no"
1192       fortify_source="no"
1193   ;;
1194   --enable-sanitizers) sanitizers="yes"
1195   ;;
1196   --disable-sanitizers) sanitizers="no"
1197   ;;
1198   --enable-tsan) tsan="yes"
1199   ;;
1200   --disable-tsan) tsan="no"
1201   ;;
1202   --enable-sparse) sparse="yes"
1203   ;;
1204   --disable-sparse) sparse="no"
1205   ;;
1206   --disable-strip) strip_opt="no"
1207   ;;
1208   --disable-vnc-sasl) vnc_sasl="disabled"
1209   ;;
1210   --enable-vnc-sasl) vnc_sasl="enabled"
1211   ;;
1212   --disable-vnc-jpeg) vnc_jpeg="disabled"
1213   ;;
1214   --enable-vnc-jpeg) vnc_jpeg="enabled"
1215   ;;
1216   --disable-vnc-png) vnc_png="disabled"
1217   ;;
1218   --enable-vnc-png) vnc_png="enabled"
1219   ;;
1220   --disable-slirp) slirp="no"
1221   ;;
1222   --enable-slirp=git) slirp="git"
1223   ;;
1224   --enable-slirp=system) slirp="system"
1225   ;;
1226   --disable-vde) vde="no"
1227   ;;
1228   --enable-vde) vde="yes"
1229   ;;
1230   --disable-netmap) netmap="no"
1231   ;;
1232   --enable-netmap) netmap="yes"
1233   ;;
1234   --disable-xen) xen="no"
1235   ;;
1236   --enable-xen) xen="yes"
1237   ;;
1238   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1239   ;;
1240   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1241   ;;
1242   --disable-brlapi) brlapi="no"
1243   ;;
1244   --enable-brlapi) brlapi="yes"
1245   ;;
1246   --disable-kvm) kvm="no"
1247   ;;
1248   --enable-kvm) kvm="yes"
1249   ;;
1250   --disable-hax) hax="no"
1251   ;;
1252   --enable-hax) hax="yes"
1253   ;;
1254   --disable-hvf) hvf="no"
1255   ;;
1256   --enable-hvf) hvf="yes"
1257   ;;
1258   --disable-whpx) whpx="no"
1259   ;;
1260   --enable-whpx) whpx="yes"
1261   ;;
1262   --disable-tcg-interpreter) tcg_interpreter="no"
1263   ;;
1264   --enable-tcg-interpreter) tcg_interpreter="yes"
1265   ;;
1266   --disable-cap-ng)  cap_ng="no"
1267   ;;
1268   --enable-cap-ng) cap_ng="yes"
1269   ;;
1270   --disable-tcg) tcg="no"
1271   ;;
1272   --enable-tcg) tcg="yes"
1273   ;;
1274   --disable-malloc-trim) malloc_trim="no"
1275   ;;
1276   --enable-malloc-trim) malloc_trim="yes"
1277   ;;
1278   --disable-spice) spice="no"
1279   ;;
1280   --enable-spice) spice="yes"
1281   ;;
1282   --disable-libiscsi) libiscsi="no"
1283   ;;
1284   --enable-libiscsi) libiscsi="yes"
1285   ;;
1286   --disable-libnfs) libnfs="no"
1287   ;;
1288   --enable-libnfs) libnfs="yes"
1289   ;;
1290   --enable-profiler) profiler="yes"
1291   ;;
1292   --disable-cocoa) cocoa="no"
1293   ;;
1294   --enable-cocoa)
1295       cocoa="yes" ;
1296       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1297   ;;
1298   --disable-system) softmmu="no"
1299   ;;
1300   --enable-system) softmmu="yes"
1301   ;;
1302   --disable-user)
1303       linux_user="no" ;
1304       bsd_user="no" ;
1305   ;;
1306   --enable-user) ;;
1307   --disable-linux-user) linux_user="no"
1308   ;;
1309   --enable-linux-user) linux_user="yes"
1310   ;;
1311   --disable-bsd-user) bsd_user="no"
1312   ;;
1313   --enable-bsd-user) bsd_user="yes"
1314   ;;
1315   --enable-pie) pie="yes"
1316   ;;
1317   --disable-pie) pie="no"
1318   ;;
1319   --enable-werror) werror="yes"
1320   ;;
1321   --disable-werror) werror="no"
1322   ;;
1323   --enable-stack-protector) stack_protector="yes"
1324   ;;
1325   --disable-stack-protector) stack_protector="no"
1326   ;;
1327   --enable-safe-stack) safe_stack="yes"
1328   ;;
1329   --disable-safe-stack) safe_stack="no"
1330   ;;
1331   --disable-curses) curses="no"
1332   ;;
1333   --enable-curses) curses="yes"
1334   ;;
1335   --disable-iconv) iconv="no"
1336   ;;
1337   --enable-iconv) iconv="yes"
1338   ;;
1339   --disable-curl) curl="no"
1340   ;;
1341   --enable-curl) curl="yes"
1342   ;;
1343   --disable-fdt) fdt="no"
1344   ;;
1345   --enable-fdt) fdt="yes"
1346   ;;
1347   --disable-linux-aio) linux_aio="no"
1348   ;;
1349   --enable-linux-aio) linux_aio="yes"
1350   ;;
1351   --disable-linux-io-uring) linux_io_uring="no"
1352   ;;
1353   --enable-linux-io-uring) linux_io_uring="yes"
1354   ;;
1355   --disable-attr) attr="no"
1356   ;;
1357   --enable-attr) attr="yes"
1358   ;;
1359   --disable-membarrier) membarrier="no"
1360   ;;
1361   --enable-membarrier) membarrier="yes"
1362   ;;
1363   --disable-blobs) blobs="no"
1364   ;;
1365   --with-pkgversion=*) pkgversion="$optarg"
1366   ;;
1367   --with-coroutine=*) coroutine="$optarg"
1368   ;;
1369   --disable-coroutine-pool) coroutine_pool="no"
1370   ;;
1371   --enable-coroutine-pool) coroutine_pool="yes"
1372   ;;
1373   --enable-debug-stack-usage) debug_stack_usage="yes"
1374   ;;
1375   --enable-crypto-afalg) crypto_afalg="yes"
1376   ;;
1377   --disable-crypto-afalg) crypto_afalg="no"
1378   ;;
1379   --disable-docs) docs="no"
1380   ;;
1381   --enable-docs) docs="yes"
1382   ;;
1383   --disable-vhost-net) vhost_net="no"
1384   ;;
1385   --enable-vhost-net) vhost_net="yes"
1386   ;;
1387   --disable-vhost-crypto) vhost_crypto="no"
1388   ;;
1389   --enable-vhost-crypto) vhost_crypto="yes"
1390   ;;
1391   --disable-vhost-scsi) vhost_scsi="no"
1392   ;;
1393   --enable-vhost-scsi) vhost_scsi="yes"
1394   ;;
1395   --disable-vhost-vsock) vhost_vsock="no"
1396   ;;
1397   --enable-vhost-vsock) vhost_vsock="yes"
1398   ;;
1399   --disable-vhost-user-fs) vhost_user_fs="no"
1400   ;;
1401   --enable-vhost-user-fs) vhost_user_fs="yes"
1402   ;;
1403   --disable-opengl) opengl="no"
1404   ;;
1405   --enable-opengl) opengl="yes"
1406   ;;
1407   --disable-rbd) rbd="no"
1408   ;;
1409   --enable-rbd) rbd="yes"
1410   ;;
1411   --disable-xfsctl) xfs="no"
1412   ;;
1413   --enable-xfsctl) xfs="yes"
1414   ;;
1415   --disable-smartcard) smartcard="no"
1416   ;;
1417   --enable-smartcard) smartcard="yes"
1418   ;;
1419   --disable-u2f) u2f="disabled"
1420   ;;
1421   --enable-u2f) u2f="enabled"
1422   ;;
1423   --disable-libusb) libusb="no"
1424   ;;
1425   --enable-libusb) libusb="yes"
1426   ;;
1427   --disable-usb-redir) usb_redir="no"
1428   ;;
1429   --enable-usb-redir) usb_redir="yes"
1430   ;;
1431   --disable-zlib-test) zlib="no"
1432   ;;
1433   --disable-lzo) lzo="no"
1434   ;;
1435   --enable-lzo) lzo="yes"
1436   ;;
1437   --disable-snappy) snappy="no"
1438   ;;
1439   --enable-snappy) snappy="yes"
1440   ;;
1441   --disable-bzip2) bzip2="no"
1442   ;;
1443   --enable-bzip2) bzip2="yes"
1444   ;;
1445   --enable-lzfse) lzfse="yes"
1446   ;;
1447   --disable-lzfse) lzfse="no"
1448   ;;
1449   --disable-zstd) zstd="no"
1450   ;;
1451   --enable-zstd) zstd="yes"
1452   ;;
1453   --enable-guest-agent) guest_agent="yes"
1454   ;;
1455   --disable-guest-agent) guest_agent="no"
1456   ;;
1457   --enable-guest-agent-msi) guest_agent_msi="yes"
1458   ;;
1459   --disable-guest-agent-msi) guest_agent_msi="no"
1460   ;;
1461   --with-vss-sdk) vss_win32_sdk=""
1462   ;;
1463   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1464   ;;
1465   --without-vss-sdk) vss_win32_sdk="no"
1466   ;;
1467   --with-win-sdk) win_sdk=""
1468   ;;
1469   --with-win-sdk=*) win_sdk="$optarg"
1470   ;;
1471   --without-win-sdk) win_sdk="no"
1472   ;;
1473   --enable-tools) want_tools="yes"
1474   ;;
1475   --disable-tools) want_tools="no"
1476   ;;
1477   --enable-seccomp) seccomp="yes"
1478   ;;
1479   --disable-seccomp) seccomp="no"
1480   ;;
1481   --disable-glusterfs) glusterfs="no"
1482   ;;
1483   --disable-avx2) avx2_opt="no"
1484   ;;
1485   --enable-avx2) avx2_opt="yes"
1486   ;;
1487   --disable-avx512f) avx512f_opt="no"
1488   ;;
1489   --enable-avx512f) avx512f_opt="yes"
1490   ;;
1491
1492   --enable-glusterfs) glusterfs="yes"
1493   ;;
1494   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1495       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1496   ;;
1497   --enable-vhdx|--disable-vhdx)
1498       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1499   ;;
1500   --enable-uuid|--disable-uuid)
1501       echo "$0: $opt is obsolete, UUID support is always built" >&2
1502   ;;
1503   --disable-gtk) gtk="no"
1504   ;;
1505   --enable-gtk) gtk="yes"
1506   ;;
1507   --tls-priority=*) tls_priority="$optarg"
1508   ;;
1509   --disable-gnutls) gnutls="no"
1510   ;;
1511   --enable-gnutls) gnutls="yes"
1512   ;;
1513   --disable-nettle) nettle="no"
1514   ;;
1515   --enable-nettle) nettle="yes"
1516   ;;
1517   --disable-gcrypt) gcrypt="no"
1518   ;;
1519   --enable-gcrypt) gcrypt="yes"
1520   ;;
1521   --disable-auth-pam) auth_pam="no"
1522   ;;
1523   --enable-auth-pam) auth_pam="yes"
1524   ;;
1525   --enable-rdma) rdma="yes"
1526   ;;
1527   --disable-rdma) rdma="no"
1528   ;;
1529   --enable-pvrdma) pvrdma="yes"
1530   ;;
1531   --disable-pvrdma) pvrdma="no"
1532   ;;
1533   --disable-vte) vte="no"
1534   ;;
1535   --enable-vte) vte="yes"
1536   ;;
1537   --disable-virglrenderer) virglrenderer="no"
1538   ;;
1539   --enable-virglrenderer) virglrenderer="yes"
1540   ;;
1541   --disable-tpm) tpm="no"
1542   ;;
1543   --enable-tpm) tpm="yes"
1544   ;;
1545   --disable-libssh) libssh="no"
1546   ;;
1547   --enable-libssh) libssh="yes"
1548   ;;
1549   --disable-live-block-migration) live_block_migration="no"
1550   ;;
1551   --enable-live-block-migration) live_block_migration="yes"
1552   ;;
1553   --disable-numa) numa="no"
1554   ;;
1555   --enable-numa) numa="yes"
1556   ;;
1557   --disable-libxml2) libxml2="no"
1558   ;;
1559   --enable-libxml2) libxml2="yes"
1560   ;;
1561   --disable-tcmalloc) tcmalloc="no"
1562   ;;
1563   --enable-tcmalloc) tcmalloc="yes"
1564   ;;
1565   --disable-jemalloc) jemalloc="no"
1566   ;;
1567   --enable-jemalloc) jemalloc="yes"
1568   ;;
1569   --disable-replication) replication="no"
1570   ;;
1571   --enable-replication) replication="yes"
1572   ;;
1573   --disable-bochs) bochs="no"
1574   ;;
1575   --enable-bochs) bochs="yes"
1576   ;;
1577   --disable-cloop) cloop="no"
1578   ;;
1579   --enable-cloop) cloop="yes"
1580   ;;
1581   --disable-dmg) dmg="no"
1582   ;;
1583   --enable-dmg) dmg="yes"
1584   ;;
1585   --disable-qcow1) qcow1="no"
1586   ;;
1587   --enable-qcow1) qcow1="yes"
1588   ;;
1589   --disable-vdi) vdi="no"
1590   ;;
1591   --enable-vdi) vdi="yes"
1592   ;;
1593   --disable-vvfat) vvfat="no"
1594   ;;
1595   --enable-vvfat) vvfat="yes"
1596   ;;
1597   --disable-qed) qed="no"
1598   ;;
1599   --enable-qed) qed="yes"
1600   ;;
1601   --disable-parallels) parallels="no"
1602   ;;
1603   --enable-parallels) parallels="yes"
1604   ;;
1605   --disable-sheepdog) sheepdog="no"
1606   ;;
1607   --enable-sheepdog) sheepdog="yes"
1608   ;;
1609   --disable-vhost-user) vhost_user="no"
1610   ;;
1611   --enable-vhost-user) vhost_user="yes"
1612   ;;
1613   --disable-vhost-vdpa) vhost_vdpa="no"
1614   ;;
1615   --enable-vhost-vdpa) vhost_vdpa="yes"
1616   ;;
1617   --disable-vhost-kernel) vhost_kernel="no"
1618   ;;
1619   --enable-vhost-kernel) vhost_kernel="yes"
1620   ;;
1621   --disable-capstone) capstone="no"
1622   ;;
1623   --enable-capstone) capstone="yes"
1624   ;;
1625   --enable-capstone=git) capstone="git"
1626   ;;
1627   --enable-capstone=system) capstone="system"
1628   ;;
1629   --with-git=*) git="$optarg"
1630   ;;
1631   --enable-git-update) git_update=yes
1632   ;;
1633   --disable-git-update) git_update=no
1634   ;;
1635   --enable-debug-mutex) debug_mutex=yes
1636   ;;
1637   --disable-debug-mutex) debug_mutex=no
1638   ;;
1639   --enable-libpmem) libpmem=yes
1640   ;;
1641   --disable-libpmem) libpmem=no
1642   ;;
1643   --enable-xkbcommon) xkbcommon="enabled"
1644   ;;
1645   --disable-xkbcommon) xkbcommon="disabled"
1646   ;;
1647   --enable-plugins) plugins="yes"
1648   ;;
1649   --disable-plugins) plugins="no"
1650   ;;
1651   --enable-containers) use_containers="yes"
1652   ;;
1653   --disable-containers) use_containers="no"
1654   ;;
1655   --enable-fuzzing) fuzzing=yes
1656   ;;
1657   --disable-fuzzing) fuzzing=no
1658   ;;
1659   --gdb=*) gdb_bin="$optarg"
1660   ;;
1661   --enable-rng-none) rng_none=yes
1662   ;;
1663   --disable-rng-none) rng_none=no
1664   ;;
1665   --enable-keyring) secret_keyring="yes"
1666   ;;
1667   --disable-keyring) secret_keyring="no"
1668   ;;
1669   --enable-libdaxctl) libdaxctl=yes
1670   ;;
1671   --disable-libdaxctl) libdaxctl=no
1672   ;;
1673   *)
1674       echo "ERROR: unknown option $opt"
1675       echo "Try '$0 --help' for more information"
1676       exit 1
1677   ;;
1678   esac
1679 done
1680
1681 libdir="${libdir:-$prefix/lib}"
1682 libexecdir="${libexecdir:-$prefix/libexec}"
1683 includedir="${includedir:-$prefix/include}"
1684
1685 if test "$mingw32" = "yes" ; then
1686     mandir="$prefix"
1687     datadir="$prefix"
1688     qemu_docdir="$prefix"
1689     bindir="$prefix"
1690     sysconfdir="$prefix"
1691     local_statedir=
1692 else
1693     mandir="${mandir:-$prefix/share/man}"
1694     datadir="${datadir:-$prefix/share}"
1695     qemu_docdir="${qemu_docdir:-$prefix/share/doc/qemu}"
1696     bindir="${bindir:-$prefix/bin}"
1697     sysconfdir="${sysconfdir:-$prefix/etc}"
1698     local_statedir="${local_statedir:-$prefix/var}"
1699 fi
1700
1701 case "$cpu" in
1702     ppc)
1703            CPU_CFLAGS="-m32"
1704            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1705            ;;
1706     ppc64)
1707            CPU_CFLAGS="-m64"
1708            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1709            ;;
1710     sparc)
1711            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1712            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1713            ;;
1714     sparc64)
1715            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1716            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1717            ;;
1718     s390)
1719            CPU_CFLAGS="-m31"
1720            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1721            ;;
1722     s390x)
1723            CPU_CFLAGS="-m64"
1724            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1725            ;;
1726     i386)
1727            CPU_CFLAGS="-m32"
1728            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1729            ;;
1730     x86_64)
1731            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1732            # If we truly care, we should simply detect this case at
1733            # runtime and generate the fallback to serial emulation.
1734            CPU_CFLAGS="-m64 -mcx16"
1735            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1736            ;;
1737     x32)
1738            CPU_CFLAGS="-mx32"
1739            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1740            ;;
1741     # No special flags required for other host CPUs
1742 esac
1743
1744 eval "cross_cc_${cpu}=\$host_cc"
1745 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1746 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1747
1748 # For user-mode emulation the host arch has to be one we explicitly
1749 # support, even if we're using TCI.
1750 if [ "$ARCH" = "unknown" ]; then
1751   bsd_user="no"
1752   linux_user="no"
1753 fi
1754
1755 if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
1756   tcg="no"
1757 fi
1758
1759 default_target_list=""
1760
1761 mak_wilds=""
1762
1763 if [ "$softmmu" = "yes" ]; then
1764     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1765 fi
1766 if [ "$linux_user" = "yes" ]; then
1767     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1768 fi
1769 if [ "$bsd_user" = "yes" ]; then
1770     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1771 fi
1772
1773 if test -z "$target_list_exclude"; then
1774     for config in $mak_wilds; do
1775         default_target_list="${default_target_list} $(basename "$config" .mak)"
1776     done
1777 else
1778     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1779     for config in $mak_wilds; do
1780         target="$(basename "$config" .mak)"
1781         exclude="no"
1782         for excl in $exclude_list; do
1783             if test "$excl" = "$target"; then
1784                 exclude="yes"
1785                 break;
1786             fi
1787         done
1788         if test "$exclude" = "no"; then
1789             default_target_list="${default_target_list} $target"
1790         fi
1791     done
1792 fi
1793
1794 # Enumerate public trace backends for --help output
1795 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1796
1797 if test x"$show_help" = x"yes" ; then
1798 cat << EOF
1799
1800 Usage: configure [options]
1801 Options: [defaults in brackets after descriptions]
1802
1803 Standard options:
1804   --help                   print this message
1805   --prefix=PREFIX          install in PREFIX [$prefix]
1806   --interp-prefix=PREFIX   where to find shared libraries, etc.
1807                            use %M for cpu name [$interp_prefix]
1808   --target-list=LIST       set target list (default: build everything)
1809 $(echo Available targets: $default_target_list | \
1810   fold -s -w 53 | sed -e 's/^/                           /')
1811   --target-list-exclude=LIST exclude a set of targets from the default target-list
1812
1813 Advanced options (experts only):
1814   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1815   --cc=CC                  use C compiler CC [$cc]
1816   --iasl=IASL              use ACPI compiler IASL [$iasl]
1817   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1818                            build time
1819   --cxx=CXX                use C++ compiler CXX [$cxx]
1820   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1821   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1822   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1823   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1824   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1825   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1826   --make=MAKE              use specified make [$make]
1827   --install=INSTALL        use specified install [$install]
1828   --python=PYTHON          use specified python [$python]
1829   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1830   --meson=MESON            use specified meson [$meson]
1831   --ninja=NINJA            use specified ninja [$ninja]
1832   --smbd=SMBD              use specified smbd [$smbd]
1833   --with-git=GIT           use specified git [$git]
1834   --static                 enable static build [$static]
1835   --mandir=PATH            install man pages in PATH
1836   --datadir=PATH           install firmware in PATH$confsuffix
1837   --docdir=PATH            install documentation in PATH$confsuffix
1838   --bindir=PATH            install binaries in PATH
1839   --libdir=PATH            install libraries in PATH
1840   --libexecdir=PATH        install helper binaries in PATH
1841   --sysconfdir=PATH        install config in PATH$confsuffix
1842   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1843   --firmwarepath=PATH      search PATH for firmware files
1844   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1845   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1846   --with-pkgversion=VERS   use specified string as sub-version of the package
1847   --enable-debug           enable common debug build options
1848   --enable-sanitizers      enable default sanitizers
1849   --enable-tsan            enable thread sanitizer
1850   --disable-strip          disable stripping binaries
1851   --disable-werror         disable compilation abort on warning
1852   --disable-stack-protector disable compiler-provided stack protection
1853   --audio-drv-list=LIST    set audio drivers list:
1854                            Available drivers: $audio_possible_drivers
1855   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1856   --block-drv-rw-whitelist=L
1857                            set block driver read-write whitelist
1858                            (affects only QEMU, not qemu-img)
1859   --block-drv-ro-whitelist=L
1860                            set block driver read-only whitelist
1861                            (affects only QEMU, not qemu-img)
1862   --enable-trace-backends=B Set trace backend
1863                            Available backends: $trace_backend_list
1864   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1865                            Default:trace-<pid>
1866   --disable-slirp          disable SLIRP userspace network connectivity
1867   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1868   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1869   --oss-lib                path to OSS library
1870   --cpu=CPU                Build for host CPU [$cpu]
1871   --with-coroutine=BACKEND coroutine backend. Supported options:
1872                            ucontext, sigaltstack, windows
1873   --enable-gcov            enable test coverage analysis with gcov
1874   --disable-blobs          disable installing provided firmware blobs
1875   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1876   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1877   --tls-priority           default TLS protocol/cipher priority string
1878   --enable-gprof           QEMU profiling with gprof
1879   --enable-profiler        profiler support
1880   --enable-debug-stack-usage
1881                            track the maximum stack usage of stacks created by qemu_alloc_stack
1882   --enable-plugins
1883                            enable plugins via shared library loading
1884   --disable-containers     don't use containers for cross-building
1885   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1886
1887 Optional features, enabled with --enable-FEATURE and
1888 disabled with --disable-FEATURE, default is enabled if available:
1889
1890   system          all system emulation targets
1891   user            supported user emulation targets
1892   linux-user      all linux usermode emulation targets
1893   bsd-user        all BSD usermode emulation targets
1894   docs            build documentation
1895   guest-agent     build the QEMU Guest Agent
1896   guest-agent-msi build guest agent Windows MSI installation package
1897   pie             Position Independent Executables
1898   modules         modules support (non-Windows)
1899   module-upgrades try to load modules from alternate paths for upgrades
1900   debug-tcg       TCG debugging (default is disabled)
1901   debug-info      debugging information
1902   sparse          sparse checker
1903   safe-stack      SafeStack Stack Smash Protection. Depends on
1904                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1905
1906   gnutls          GNUTLS cryptography support
1907   nettle          nettle cryptography support
1908   gcrypt          libgcrypt cryptography support
1909   auth-pam        PAM access control
1910   sdl             SDL UI
1911   sdl-image       SDL Image support for icons
1912   gtk             gtk UI
1913   vte             vte support for the gtk UI
1914   curses          curses UI
1915   iconv           font glyph conversion support
1916   vnc             VNC UI support
1917   vnc-sasl        SASL encryption for VNC server
1918   vnc-jpeg        JPEG lossy compression for VNC server
1919   vnc-png         PNG compression for VNC server
1920   cocoa           Cocoa UI (Mac OS X only)
1921   virtfs          VirtFS
1922   mpath           Multipath persistent reservation passthrough
1923   xen             xen backend driver support
1924   xen-pci-passthrough    PCI passthrough support for Xen
1925   brlapi          BrlAPI (Braile)
1926   curl            curl connectivity
1927   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1928   fdt             fdt device tree
1929   kvm             KVM acceleration support
1930   hax             HAX acceleration support
1931   hvf             Hypervisor.framework acceleration support
1932   whpx            Windows Hypervisor Platform acceleration support
1933   rdma            Enable RDMA-based migration
1934   pvrdma          Enable PVRDMA support
1935   vde             support for vde network
1936   netmap          support for netmap network
1937   linux-aio       Linux AIO support
1938   linux-io-uring  Linux io_uring support
1939   cap-ng          libcap-ng support
1940   attr            attr and xattr support
1941   vhost-net       vhost-net kernel acceleration support
1942   vhost-vsock     virtio sockets device support
1943   vhost-scsi      vhost-scsi kernel target support
1944   vhost-crypto    vhost-user-crypto backend support
1945   vhost-kernel    vhost kernel backend support
1946   vhost-user      vhost-user backend support
1947   vhost-vdpa      vhost-vdpa kernel backend support
1948   spice           spice
1949   rbd             rados block device (rbd)
1950   libiscsi        iscsi support
1951   libnfs          nfs support
1952   smartcard       smartcard support (libcacard)
1953   u2f             U2F support (u2f-emu)
1954   libusb          libusb (for usb passthrough)
1955   live-block-migration   Block migration in the main migration stream
1956   usb-redir       usb network redirection support
1957   lzo             support of lzo compression library
1958   snappy          support of snappy compression library
1959   bzip2           support of bzip2 compression library
1960                   (for reading bzip2-compressed dmg images)
1961   lzfse           support of lzfse compression library
1962                   (for reading lzfse-compressed dmg images)
1963   zstd            support for zstd compression library
1964                   (for migration compression and qcow2 cluster compression)
1965   seccomp         seccomp support
1966   coroutine-pool  coroutine freelist (better performance)
1967   glusterfs       GlusterFS backend
1968   tpm             TPM support
1969   libssh          ssh block device support
1970   numa            libnuma support
1971   libxml2         for Parallels image format
1972   tcmalloc        tcmalloc support
1973   jemalloc        jemalloc support
1974   avx2            AVX2 optimization support
1975   avx512f         AVX512F optimization support
1976   replication     replication support
1977   opengl          opengl support
1978   virglrenderer   virgl rendering support
1979   xfsctl          xfsctl support
1980   qom-cast-debug  cast debugging support
1981   tools           build qemu-io, qemu-nbd and qemu-img tools
1982   bochs           bochs image format support
1983   cloop           cloop image format support
1984   dmg             dmg image format support
1985   qcow1           qcow v1 image format support
1986   vdi             vdi image format support
1987   vvfat           vvfat image format support
1988   qed             qed image format support
1989   parallels       parallels image format support
1990   sheepdog        sheepdog block driver support
1991   crypto-afalg    Linux AF_ALG crypto backend driver
1992   capstone        capstone disassembler support
1993   debug-mutex     mutex debugging support
1994   libpmem         libpmem support
1995   xkbcommon       xkbcommon support
1996   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1997   libdaxctl       libdaxctl support
1998
1999 NOTE: The object files are built at the place where configure is launched
2000 EOF
2001 exit 0
2002 fi
2003
2004 # Remove old dependency files to make sure that they get properly regenerated
2005 rm -f */config-devices.mak.d
2006
2007 if test -z "$python"
2008 then
2009     error_exit "Python not found. Use --python=/path/to/python"
2010 fi
2011
2012 # Note that if the Python conditional here evaluates True we will exit
2013 # with status 1 which is a shell 'false' value.
2014 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
2015   error_exit "Cannot use '$python', Python >= 3.5 is required." \
2016       "Use --python=/path/to/python to specify a supported Python."
2017 fi
2018
2019 # Preserve python version since some functionality is dependent on it
2020 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)
2021
2022 # Suppress writing compiled files
2023 python="$python -B"
2024
2025 if test -z "$meson"; then
2026     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
2027         meson=meson
2028     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
2029         meson=git
2030     elif test -e "${source_path}/meson/meson.py" ; then
2031         meson=internal
2032     else
2033         if test "$explicit_python" = yes; then
2034             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
2035         else
2036             error_exit "Meson not found.  Use --meson=/path/to/meson"
2037         fi
2038     fi
2039 else
2040     # Meson uses its own Python interpreter to invoke other Python scripts,
2041     # but the user wants to use the one they specified with --python.
2042     #
2043     # We do not want to override the distro Python interpreter (and sometimes
2044     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
2045     # just require --meson=git|internal together with --python.
2046     if test "$explicit_python" = yes; then
2047         case "$meson" in
2048             git | internal) ;;
2049             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
2050         esac
2051     fi
2052 fi
2053
2054 if test "$meson" = git; then
2055     git_submodules="${git_submodules} meson"
2056 fi
2057 if test "$git_update" = yes; then
2058     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
2059 fi
2060
2061 case "$meson" in
2062     git | internal)
2063         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
2064             error_exit "Python setuptools not found"
2065         fi
2066         meson="$python ${source_path}/meson/meson.py"
2067         ;;
2068     *) meson=$(command -v meson) ;;
2069 esac
2070
2071 # Probe for ninja (used for compdb)
2072
2073 if test -z "$ninja"; then
2074     for c in ninja ninja-build samu; do
2075         if has $c; then
2076             ninja=$(command -v "$c")
2077             break
2078         fi
2079     done
2080 fi
2081
2082 # Check that the C compiler works. Doing this here before testing
2083 # the host CPU ensures that we had a valid CC to autodetect the
2084 # $cpu var (and we should bail right here if that's not the case).
2085 # It also allows the help message to be printed without a CC.
2086 write_c_skeleton;
2087 if compile_object ; then
2088   : C compiler works ok
2089 else
2090     error_exit "\"$cc\" either does not exist or does not work"
2091 fi
2092 if ! compile_prog ; then
2093     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
2094 fi
2095
2096 # Now we have handled --enable-tcg-interpreter and know we're not just
2097 # printing the help message, bail out if the host CPU isn't supported.
2098 if test "$ARCH" = "unknown"; then
2099     if test "$tcg_interpreter" = "yes" ; then
2100         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
2101     else
2102         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
2103     fi
2104 fi
2105
2106 # Consult white-list to determine whether to enable werror
2107 # by default.  Only enable by default for git builds
2108 if test -z "$werror" ; then
2109     if test -e "$source_path/.git" && \
2110         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
2111         werror="yes"
2112     else
2113         werror="no"
2114     fi
2115 fi
2116
2117 if test "$bogus_os" = "yes"; then
2118     # Now that we know that we're not printing the help and that
2119     # the compiler works (so the results of the check_defines we used
2120     # to identify the OS are reliable), if we didn't recognize the
2121     # host OS we should stop now.
2122     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
2123 fi
2124
2125 # Check whether the compiler matches our minimum requirements:
2126 cat > $TMPC << EOF
2127 #if defined(__clang_major__) && defined(__clang_minor__)
2128 # ifdef __apple_build_version__
2129 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
2130 #   error You need at least XCode Clang v5.1 to compile QEMU
2131 #  endif
2132 # else
2133 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
2134 #   error You need at least Clang v3.4 to compile QEMU
2135 #  endif
2136 # endif
2137 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
2138 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
2139 #  error You need at least GCC v4.8 to compile QEMU
2140 # endif
2141 #else
2142 # error You either need GCC or Clang to compiler QEMU
2143 #endif
2144 int main (void) { return 0; }
2145 EOF
2146 if ! compile_prog "" "" ; then
2147     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
2148 fi
2149
2150 # Accumulate -Wfoo and -Wno-bar separately.
2151 # We will list all of the enable flags first, and the disable flags second.
2152 # Note that we do not add -Werror, because that would enable it for all
2153 # configure tests. If a configure test failed due to -Werror this would
2154 # just silently disable some features, so it's too error prone.
2155
2156 warn_flags=
2157 add_to warn_flags -Wold-style-declaration
2158 add_to warn_flags -Wold-style-definition
2159 add_to warn_flags -Wtype-limits
2160 add_to warn_flags -Wformat-security
2161 add_to warn_flags -Wformat-y2k
2162 add_to warn_flags -Winit-self
2163 add_to warn_flags -Wignored-qualifiers
2164 add_to warn_flags -Wempty-body
2165 add_to warn_flags -Wnested-externs
2166 add_to warn_flags -Wendif-labels
2167 add_to warn_flags -Wexpansion-to-defined
2168
2169 nowarn_flags=
2170 add_to nowarn_flags -Wno-initializer-overrides
2171 add_to nowarn_flags -Wno-missing-include-dirs
2172 add_to nowarn_flags -Wno-shift-negative-value
2173 add_to nowarn_flags -Wno-string-plus-int
2174 add_to nowarn_flags -Wno-typedef-redefinition
2175 add_to nowarn_flags -Wno-tautological-type-limit-compare
2176 add_to nowarn_flags -Wno-psabi
2177
2178 gcc_flags="$warn_flags $nowarn_flags"
2179
2180 cc_has_warning_flag() {
2181     write_c_skeleton;
2182
2183     # Use the positive sense of the flag when testing for -Wno-wombat
2184     # support (gcc will happily accept the -Wno- form of unknown
2185     # warning options).
2186     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2187     compile_prog "-Werror $optflag" ""
2188 }
2189
2190 for flag in $gcc_flags; do
2191     if cc_has_warning_flag $flag ; then
2192         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2193     fi
2194 done
2195
2196 if test "$stack_protector" != "no"; then
2197   cat > $TMPC << EOF
2198 int main(int argc, char *argv[])
2199 {
2200     char arr[64], *p = arr, *c = argv[0];
2201     while (*c) {
2202         *p++ = *c++;
2203     }
2204     return 0;
2205 }
2206 EOF
2207   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2208   sp_on=0
2209   for flag in $gcc_flags; do
2210     # We need to check both a compile and a link, since some compiler
2211     # setups fail only on a .c->.o compile and some only at link time
2212     if compile_object "-Werror $flag" &&
2213        compile_prog "-Werror $flag" ""; then
2214       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2215       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2216       sp_on=1
2217       break
2218     fi
2219   done
2220   if test "$stack_protector" = yes; then
2221     if test $sp_on = 0; then
2222       error_exit "Stack protector not supported"
2223     fi
2224   fi
2225 fi
2226
2227 # Disable -Wmissing-braces on older compilers that warn even for
2228 # the "universal" C zero initializer {0}.
2229 cat > $TMPC << EOF
2230 struct {
2231   int a[2];
2232 } x = {0};
2233 EOF
2234 if compile_object "-Werror" "" ; then
2235   :
2236 else
2237   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2238 fi
2239
2240 # Our module code doesn't support Windows
2241 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2242   error_exit "Modules are not available for Windows"
2243 fi
2244
2245 # module_upgrades is only reasonable if modules are enabled
2246 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2247   error_exit "Can't enable module-upgrades as Modules are not enabled"
2248 fi
2249
2250 # Static linking is not possible with modules or PIE
2251 if test "$static" = "yes" ; then
2252   if test "$modules" = "yes" ; then
2253     error_exit "static and modules are mutually incompatible"
2254   fi
2255 fi
2256
2257 # Unconditional check for compiler __thread support
2258   cat > $TMPC << EOF
2259 static __thread int tls_var;
2260 int main(void) { return tls_var; }
2261 EOF
2262
2263 if ! compile_prog "-Werror" "" ; then
2264     error_exit "Your compiler does not support the __thread specifier for " \
2265         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2266 fi
2267
2268 cat > $TMPC << EOF
2269
2270 #ifdef __linux__
2271 #  define THREAD __thread
2272 #else
2273 #  define THREAD
2274 #endif
2275 static THREAD int tls_var;
2276 int main(void) { return tls_var; }
2277 EOF
2278
2279 # Check we support --no-pie first; we will need this for building ROMs.
2280 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2281   CFLAGS_NOPIE="-fno-pie"
2282   LDFLAGS_NOPIE="-no-pie"
2283 fi
2284
2285 if test "$static" = "yes"; then
2286   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2287     CFLAGS="-fPIE -DPIE $CFLAGS"
2288     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2289     pie="yes"
2290   elif test "$pie" = "yes"; then
2291     error_exit "-static-pie not available due to missing toolchain support"
2292   else
2293     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2294     pie="no"
2295   fi
2296 elif test "$pie" = "no"; then
2297   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2298   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2299 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2300   CFLAGS="-fPIE -DPIE $CFLAGS"
2301   LDFLAGS="-pie $LDFLAGS"
2302   pie="yes"
2303 elif test "$pie" = "yes"; then
2304   error_exit "PIE not available due to missing toolchain support"
2305 else
2306   echo "Disabling PIE due to missing toolchain support"
2307   pie="no"
2308 fi
2309
2310 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2311 # The combination is known as "full relro", because .got.plt is read-only too.
2312 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2313   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2314 fi
2315
2316 ##########################################
2317 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2318 # use i686 as default anyway, but for those that don't, an explicit
2319 # specification is necessary
2320
2321 if test "$cpu" = "i386"; then
2322   cat > $TMPC << EOF
2323 static int sfaa(int *ptr)
2324 {
2325   return __sync_fetch_and_and(ptr, 0);
2326 }
2327
2328 int main(void)
2329 {
2330   int val = 42;
2331   val = __sync_val_compare_and_swap(&val, 0, 1);
2332   sfaa(&val);
2333   return val;
2334 }
2335 EOF
2336   if ! compile_prog "" "" ; then
2337     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2338   fi
2339 fi
2340
2341 #########################################
2342 # Solaris specific configure tool chain decisions
2343
2344 if test "$solaris" = "yes" ; then
2345   if has $install; then
2346     :
2347   else
2348     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2349         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2350         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2351   fi
2352   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2353     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2354         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2355         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2356   fi
2357   if has ar; then
2358     :
2359   else
2360     if test -f /usr/ccs/bin/ar ; then
2361       error_exit "No path includes ar" \
2362           "Add /usr/ccs/bin to your path and rerun configure"
2363     fi
2364     error_exit "No path includes ar"
2365   fi
2366 fi
2367
2368 if test -z "${target_list+xxx}" ; then
2369     for target in $default_target_list; do
2370         supported_target $target 2>/dev/null && \
2371             target_list="$target_list $target"
2372     done
2373     target_list="${target_list# }"
2374 else
2375     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2376     for target in $target_list; do
2377         # Check that we recognised the target name; this allows a more
2378         # friendly error message than if we let it fall through.
2379         case " $default_target_list " in
2380             *" $target "*)
2381                 ;;
2382             *)
2383                 error_exit "Unknown target name '$target'"
2384                 ;;
2385         esac
2386         supported_target $target || exit 1
2387     done
2388 fi
2389
2390 # see if system emulation was really requested
2391 case " $target_list " in
2392   *"-softmmu "*) softmmu=yes
2393   ;;
2394   *) softmmu=no
2395   ;;
2396 esac
2397
2398 for target in $target_list; do
2399   case "$target" in
2400     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2401       edk2_blobs="yes"
2402       ;;
2403   esac
2404 done
2405 # The EDK2 binaries are compressed with bzip2
2406 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2407   error_exit "The bzip2 program is required for building QEMU"
2408 fi
2409
2410 feature_not_found() {
2411   feature=$1
2412   remedy=$2
2413
2414   error_exit "User requested feature $feature" \
2415       "configure was not able to find it." \
2416       "$remedy"
2417 }
2418
2419 # ---
2420 # big/little endian test
2421 cat > $TMPC << EOF
2422 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2423 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2424 extern int foo(short *, short *);
2425 int main(int argc, char *argv[]) {
2426     return foo(big_endian, little_endian);
2427 }
2428 EOF
2429
2430 if compile_object ; then
2431     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2432         bigendian="yes"
2433     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2434         bigendian="no"
2435     else
2436         echo big/little test failed
2437     fi
2438 else
2439     echo big/little test failed
2440 fi
2441
2442 ##########################################
2443 # system tools
2444 if test -z "$want_tools"; then
2445     if test "$softmmu" = "no"; then
2446         want_tools=no
2447     else
2448         want_tools=yes
2449     fi
2450 fi
2451
2452 ##########################################
2453 # cocoa implies not SDL or GTK
2454 # (the cocoa UI code currently assumes it is always the active UI
2455 # and doesn't interact well with other UI frontend code)
2456 if test "$cocoa" = "yes"; then
2457     if test "$sdl" = "yes"; then
2458         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2459     fi
2460     if test "$gtk" = "yes"; then
2461         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2462     fi
2463     gtk=no
2464     sdl=disabled
2465 fi
2466
2467 # Some versions of Mac OS X incorrectly define SIZE_MAX
2468 cat > $TMPC << EOF
2469 #include <stdint.h>
2470 #include <stdio.h>
2471 int main(int argc, char *argv[]) {
2472     return printf("%zu", SIZE_MAX);
2473 }
2474 EOF
2475 have_broken_size_max=no
2476 if ! compile_object -Werror ; then
2477     have_broken_size_max=yes
2478 fi
2479
2480 ##########################################
2481 # L2TPV3 probe
2482
2483 cat > $TMPC <<EOF
2484 #include <sys/socket.h>
2485 #include <linux/ip.h>
2486 int main(void) { return sizeof(struct mmsghdr); }
2487 EOF
2488 if compile_prog "" "" ; then
2489   l2tpv3=yes
2490 else
2491   l2tpv3=no
2492 fi
2493
2494 if check_include "pty.h" ; then
2495   pty_h=yes
2496 else
2497   pty_h=no
2498 fi
2499
2500 cat > $TMPC <<EOF
2501 #include <sys/mman.h>
2502 int main(int argc, char *argv[]) {
2503     return mlockall(MCL_FUTURE);
2504 }
2505 EOF
2506 if compile_prog "" "" ; then
2507   have_mlockall=yes
2508 else
2509   have_mlockall=no
2510 fi
2511
2512 #########################################
2513 # vhost interdependencies and host support
2514
2515 # vhost backends
2516 test "$vhost_user" = "" && vhost_user=yes
2517 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2518   error_exit "vhost-user isn't available on win32"
2519 fi
2520 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2521 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2522   error_exit "vhost-vdpa is only available on Linux"
2523 fi
2524 test "$vhost_kernel" = "" && vhost_kernel=$linux
2525 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2526   error_exit "vhost-kernel is only available on Linux"
2527 fi
2528
2529 # vhost-kernel devices
2530 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2531 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2532   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2533 fi
2534 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2535 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2536   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2537 fi
2538
2539 # vhost-user backends
2540 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2541 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2542   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2543 fi
2544 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2545 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2546   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2547 fi
2548 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2549 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2550   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2551 fi
2552 #vhost-vdpa backends
2553 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2554 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2555   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2556 fi
2557
2558 # OR the vhost-kernel and vhost-user values for simplicity
2559 if test "$vhost_net" = ""; then
2560   test "$vhost_net_user" = "yes" && vhost_net=yes
2561   test "$vhost_kernel" = "yes" && vhost_net=yes
2562 fi
2563
2564 ##########################################
2565 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2566
2567 if test "$mingw32" = "yes"; then
2568     # Some versions of MinGW / Mingw-w64 lack localtime_r
2569     # and gmtime_r entirely.
2570     #
2571     # Some versions of Mingw-w64 define a macro for
2572     # localtime_r/gmtime_r.
2573     #
2574     # Some versions of Mingw-w64 will define functions
2575     # for localtime_r/gmtime_r, but only if you have
2576     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2577     # though, unistd.h and pthread.h both define
2578     # that for you.
2579     #
2580     # So this #undef localtime_r and #include <unistd.h>
2581     # are not in fact redundant.
2582 cat > $TMPC << EOF
2583 #include <unistd.h>
2584 #include <time.h>
2585 #undef localtime_r
2586 int main(void) { localtime_r(NULL, NULL); return 0; }
2587 EOF
2588     if compile_prog "" "" ; then
2589         localtime_r="yes"
2590     else
2591         localtime_r="no"
2592     fi
2593 fi
2594
2595 ##########################################
2596 # pkg-config probe
2597
2598 if ! has "$pkg_config_exe"; then
2599   error_exit "pkg-config binary '$pkg_config_exe' not found"
2600 fi
2601
2602 ##########################################
2603 # NPTL probe
2604
2605 if test "$linux_user" = "yes"; then
2606   cat > $TMPC <<EOF
2607 #include <sched.h>
2608 #include <linux/futex.h>
2609 int main(void) {
2610 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2611 #error bork
2612 #endif
2613   return 0;
2614 }
2615 EOF
2616   if ! compile_object ; then
2617     feature_not_found "nptl" "Install glibc and linux kernel headers."
2618   fi
2619 fi
2620
2621 ##########################################
2622 # lzo check
2623
2624 if test "$lzo" != "no" ; then
2625     cat > $TMPC << EOF
2626 #include <lzo/lzo1x.h>
2627 int main(void) { lzo_version(); return 0; }
2628 EOF
2629     if compile_prog "" "-llzo2" ; then
2630         lzo_libs="-llzo2"
2631         lzo="yes"
2632     else
2633         if test "$lzo" = "yes"; then
2634             feature_not_found "liblzo2" "Install liblzo2 devel"
2635         fi
2636         lzo="no"
2637     fi
2638 fi
2639
2640 ##########################################
2641 # snappy check
2642
2643 if test "$snappy" != "no" ; then
2644     cat > $TMPC << EOF
2645 #include <snappy-c.h>
2646 int main(void) { snappy_max_compressed_length(4096); return 0; }
2647 EOF
2648     if compile_prog "" "-lsnappy" ; then
2649         snappy_libs='-lsnappy'
2650         snappy="yes"
2651     else
2652         if test "$snappy" = "yes"; then
2653             feature_not_found "libsnappy" "Install libsnappy devel"
2654         fi
2655         snappy="no"
2656     fi
2657 fi
2658
2659 ##########################################
2660 # bzip2 check
2661
2662 if test "$bzip2" != "no" ; then
2663     cat > $TMPC << EOF
2664 #include <bzlib.h>
2665 int main(void) { BZ2_bzlibVersion(); return 0; }
2666 EOF
2667     if compile_prog "" "-lbz2" ; then
2668         bzip2="yes"
2669     else
2670         if test "$bzip2" = "yes"; then
2671             feature_not_found "libbzip2" "Install libbzip2 devel"
2672         fi
2673         bzip2="no"
2674     fi
2675 fi
2676
2677 ##########################################
2678 # lzfse check
2679
2680 if test "$lzfse" != "no" ; then
2681     cat > $TMPC << EOF
2682 #include <lzfse.h>
2683 int main(void) { lzfse_decode_scratch_size(); return 0; }
2684 EOF
2685     if compile_prog "" "-llzfse" ; then
2686         lzfse="yes"
2687     else
2688         if test "$lzfse" = "yes"; then
2689             feature_not_found "lzfse" "Install lzfse devel"
2690         fi
2691         lzfse="no"
2692     fi
2693 fi
2694
2695 ##########################################
2696 # zstd check
2697
2698 if test "$zstd" != "no" ; then
2699     libzstd_minver="1.4.0"
2700     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2701         zstd_cflags="$($pkg_config --cflags libzstd)"
2702         zstd_libs="$($pkg_config --libs libzstd)"
2703         zstd="yes"
2704     else
2705         if test "$zstd" = "yes" ; then
2706             feature_not_found "libzstd" "Install libzstd devel"
2707         fi
2708         zstd="no"
2709     fi
2710 fi
2711
2712 ##########################################
2713 # libseccomp check
2714
2715 if test "$seccomp" != "no" ; then
2716     libseccomp_minver="2.3.0"
2717     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2718         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2719         seccomp_libs="$($pkg_config --libs libseccomp)"
2720         seccomp="yes"
2721     else
2722         if test "$seccomp" = "yes" ; then
2723             feature_not_found "libseccomp" \
2724                  "Install libseccomp devel >= $libseccomp_minver"
2725         fi
2726         seccomp="no"
2727     fi
2728 fi
2729 ##########################################
2730 # xen probe
2731
2732 if test "$xen" != "no" ; then
2733   # Check whether Xen library path is specified via --extra-ldflags to avoid
2734   # overriding this setting with pkg-config output. If not, try pkg-config
2735   # to obtain all needed flags.
2736
2737   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2738      $pkg_config --exists xencontrol ; then
2739     xen_ctrl_version="$(printf '%d%02d%02d' \
2740       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2741     xen=yes
2742     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2743     xen_pc="$xen_pc xenevtchn xendevicemodel"
2744     if $pkg_config --exists xentoolcore; then
2745       xen_pc="$xen_pc xentoolcore"
2746     fi
2747     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2748     xen_cflags="$($pkg_config --cflags $xen_pc)"
2749     xen_libs="$($pkg_config --libs $xen_pc)"
2750   else
2751
2752     xen_libs="-lxenstore -lxenctrl -lxenguest"
2753     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2754
2755     # First we test whether Xen headers and libraries are available.
2756     # If no, we are done and there is no Xen support.
2757     # If yes, more tests are run to detect the Xen version.
2758
2759     # Xen (any)
2760     cat > $TMPC <<EOF
2761 #include <xenctrl.h>
2762 int main(void) {
2763   return 0;
2764 }
2765 EOF
2766     if ! compile_prog "" "$xen_libs" ; then
2767       # Xen not found
2768       if test "$xen" = "yes" ; then
2769         feature_not_found "xen" "Install xen devel"
2770       fi
2771       xen=no
2772
2773     # Xen unstable
2774     elif
2775         cat > $TMPC <<EOF &&
2776 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2777 #define __XEN_TOOLS__
2778 #include <xendevicemodel.h>
2779 #include <xenforeignmemory.h>
2780 int main(void) {
2781   xendevicemodel_handle *xd;
2782   xenforeignmemory_handle *xfmem;
2783
2784   xd = xendevicemodel_open(0, 0);
2785   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2786
2787   xfmem = xenforeignmemory_open(0, 0);
2788   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2789
2790   return 0;
2791 }
2792 EOF
2793         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2794       then
2795       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2796       xen_ctrl_version=41100
2797       xen=yes
2798     elif
2799         cat > $TMPC <<EOF &&
2800 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2801 #include <xenforeignmemory.h>
2802 #include <xentoolcore.h>
2803 int main(void) {
2804   xenforeignmemory_handle *xfmem;
2805
2806   xfmem = xenforeignmemory_open(0, 0);
2807   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2808   xentoolcore_restrict_all(0);
2809
2810   return 0;
2811 }
2812 EOF
2813         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2814       then
2815       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2816       xen_ctrl_version=41000
2817       xen=yes
2818     elif
2819         cat > $TMPC <<EOF &&
2820 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2821 #define __XEN_TOOLS__
2822 #include <xendevicemodel.h>
2823 int main(void) {
2824   xendevicemodel_handle *xd;
2825
2826   xd = xendevicemodel_open(0, 0);
2827   xendevicemodel_close(xd);
2828
2829   return 0;
2830 }
2831 EOF
2832         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2833       then
2834       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2835       xen_ctrl_version=40900
2836       xen=yes
2837     elif
2838         cat > $TMPC <<EOF &&
2839 /*
2840  * If we have stable libs the we don't want the libxc compat
2841  * layers, regardless of what CFLAGS we may have been given.
2842  *
2843  * Also, check if xengnttab_grant_copy_segment_t is defined and
2844  * grant copy operation is implemented.
2845  */
2846 #undef XC_WANT_COMPAT_EVTCHN_API
2847 #undef XC_WANT_COMPAT_GNTTAB_API
2848 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2849 #include <xenctrl.h>
2850 #include <xenstore.h>
2851 #include <xenevtchn.h>
2852 #include <xengnttab.h>
2853 #include <xenforeignmemory.h>
2854 #include <stdint.h>
2855 #include <xen/hvm/hvm_info_table.h>
2856 #if !defined(HVM_MAX_VCPUS)
2857 # error HVM_MAX_VCPUS not defined
2858 #endif
2859 int main(void) {
2860   xc_interface *xc = NULL;
2861   xenforeignmemory_handle *xfmem;
2862   xenevtchn_handle *xe;
2863   xengnttab_handle *xg;
2864   xengnttab_grant_copy_segment_t* seg = NULL;
2865
2866   xs_daemon_open();
2867
2868   xc = xc_interface_open(0, 0, 0);
2869   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2870   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2871   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2872   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2873
2874   xfmem = xenforeignmemory_open(0, 0);
2875   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2876
2877   xe = xenevtchn_open(0, 0);
2878   xenevtchn_fd(xe);
2879
2880   xg = xengnttab_open(0, 0);
2881   xengnttab_grant_copy(xg, 0, seg);
2882
2883   return 0;
2884 }
2885 EOF
2886         compile_prog "" "$xen_libs $xen_stable_libs"
2887       then
2888       xen_ctrl_version=40800
2889       xen=yes
2890     elif
2891         cat > $TMPC <<EOF &&
2892 /*
2893  * If we have stable libs the we don't want the libxc compat
2894  * layers, regardless of what CFLAGS we may have been given.
2895  */
2896 #undef XC_WANT_COMPAT_EVTCHN_API
2897 #undef XC_WANT_COMPAT_GNTTAB_API
2898 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2899 #include <xenctrl.h>
2900 #include <xenstore.h>
2901 #include <xenevtchn.h>
2902 #include <xengnttab.h>
2903 #include <xenforeignmemory.h>
2904 #include <stdint.h>
2905 #include <xen/hvm/hvm_info_table.h>
2906 #if !defined(HVM_MAX_VCPUS)
2907 # error HVM_MAX_VCPUS not defined
2908 #endif
2909 int main(void) {
2910   xc_interface *xc = NULL;
2911   xenforeignmemory_handle *xfmem;
2912   xenevtchn_handle *xe;
2913   xengnttab_handle *xg;
2914
2915   xs_daemon_open();
2916
2917   xc = xc_interface_open(0, 0, 0);
2918   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2919   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2920   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2921   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2922
2923   xfmem = xenforeignmemory_open(0, 0);
2924   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2925
2926   xe = xenevtchn_open(0, 0);
2927   xenevtchn_fd(xe);
2928
2929   xg = xengnttab_open(0, 0);
2930   xengnttab_map_grant_ref(xg, 0, 0, 0);
2931
2932   return 0;
2933 }
2934 EOF
2935         compile_prog "" "$xen_libs $xen_stable_libs"
2936       then
2937       xen_ctrl_version=40701
2938       xen=yes
2939
2940     # Xen 4.6
2941     elif
2942         cat > $TMPC <<EOF &&
2943 #include <xenctrl.h>
2944 #include <xenstore.h>
2945 #include <stdint.h>
2946 #include <xen/hvm/hvm_info_table.h>
2947 #if !defined(HVM_MAX_VCPUS)
2948 # error HVM_MAX_VCPUS not defined
2949 #endif
2950 int main(void) {
2951   xc_interface *xc;
2952   xs_daemon_open();
2953   xc = xc_interface_open(0, 0, 0);
2954   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2955   xc_gnttab_open(NULL, 0);
2956   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2957   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2958   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2959   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2960   return 0;
2961 }
2962 EOF
2963         compile_prog "" "$xen_libs"
2964       then
2965       xen_ctrl_version=40600
2966       xen=yes
2967
2968     # Xen 4.5
2969     elif
2970         cat > $TMPC <<EOF &&
2971 #include <xenctrl.h>
2972 #include <xenstore.h>
2973 #include <stdint.h>
2974 #include <xen/hvm/hvm_info_table.h>
2975 #if !defined(HVM_MAX_VCPUS)
2976 # error HVM_MAX_VCPUS not defined
2977 #endif
2978 int main(void) {
2979   xc_interface *xc;
2980   xs_daemon_open();
2981   xc = xc_interface_open(0, 0, 0);
2982   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2983   xc_gnttab_open(NULL, 0);
2984   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2985   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2986   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2987   return 0;
2988 }
2989 EOF
2990         compile_prog "" "$xen_libs"
2991       then
2992       xen_ctrl_version=40500
2993       xen=yes
2994
2995     elif
2996         cat > $TMPC <<EOF &&
2997 #include <xenctrl.h>
2998 #include <xenstore.h>
2999 #include <stdint.h>
3000 #include <xen/hvm/hvm_info_table.h>
3001 #if !defined(HVM_MAX_VCPUS)
3002 # error HVM_MAX_VCPUS not defined
3003 #endif
3004 int main(void) {
3005   xc_interface *xc;
3006   xs_daemon_open();
3007   xc = xc_interface_open(0, 0, 0);
3008   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
3009   xc_gnttab_open(NULL, 0);
3010   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
3011   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
3012   return 0;
3013 }
3014 EOF
3015         compile_prog "" "$xen_libs"
3016       then
3017       xen_ctrl_version=40200
3018       xen=yes
3019
3020     else
3021       if test "$xen" = "yes" ; then
3022         feature_not_found "xen (unsupported version)" \
3023                           "Install a supported xen (xen 4.2 or newer)"
3024       fi
3025       xen=no
3026     fi
3027
3028     if test "$xen" = yes; then
3029       if test $xen_ctrl_version -ge 40701  ; then
3030         xen_libs="$xen_libs $xen_stable_libs "
3031       fi
3032     fi
3033   fi
3034 fi
3035
3036 if test "$xen_pci_passthrough" != "no"; then
3037   if test "$xen" = "yes" && test "$linux" = "yes"; then
3038     xen_pci_passthrough=yes
3039   else
3040     if test "$xen_pci_passthrough" = "yes"; then
3041       error_exit "User requested feature Xen PCI Passthrough" \
3042           " but this feature requires /sys from Linux"
3043     fi
3044     xen_pci_passthrough=no
3045   fi
3046 fi
3047
3048 ##########################################
3049 # Windows Hypervisor Platform accelerator (WHPX) check
3050 if test "$whpx" != "no" ; then
3051     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
3052         whpx="yes"
3053     else
3054         if test "$whpx" = "yes"; then
3055             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
3056         fi
3057         whpx="no"
3058     fi
3059 fi
3060
3061 ##########################################
3062 # gettext probe
3063 if test "$gettext" != "false" ; then
3064   if has xgettext; then
3065     gettext=true
3066   else
3067     if test "$gettext" = "true" ; then
3068       feature_not_found "gettext" "Install xgettext binary"
3069     fi
3070     gettext=false
3071   fi
3072 fi
3073
3074 ##########################################
3075 # Sparse probe
3076 if test "$sparse" != "no" ; then
3077   if has sparse; then
3078     sparse=yes
3079   else
3080     if test "$sparse" = "yes" ; then
3081       feature_not_found "sparse" "Install sparse binary"
3082     fi
3083     sparse=no
3084   fi
3085 fi
3086
3087 ##########################################
3088 # X11 probe
3089 if $pkg_config --exists "x11"; then
3090     have_x11=yes
3091     x11_cflags=$($pkg_config --cflags x11)
3092     x11_libs=$($pkg_config --libs x11)
3093 fi
3094
3095 ##########################################
3096 # GTK probe
3097
3098 if test "$gtk" != "no"; then
3099     gtkpackage="gtk+-3.0"
3100     gtkx11package="gtk+-x11-3.0"
3101     gtkversion="3.22.0"
3102     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
3103         gtk_cflags=$($pkg_config --cflags $gtkpackage)
3104         gtk_libs=$($pkg_config --libs $gtkpackage)
3105         gtk_version=$($pkg_config --modversion $gtkpackage)
3106         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
3107             need_x11=yes
3108             gtk_cflags="$gtk_cflags $x11_cflags"
3109             gtk_libs="$gtk_libs $x11_libs"
3110         fi
3111         gtk="yes"
3112     elif test "$gtk" = "yes"; then
3113         feature_not_found "gtk" "Install gtk3-devel"
3114     else
3115         gtk="no"
3116     fi
3117 fi
3118
3119
3120 ##########################################
3121 # GNUTLS probe
3122
3123 if test "$gnutls" != "no"; then
3124     pass="no"
3125     if $pkg_config --exists "gnutls >= 3.1.18"; then
3126         gnutls_cflags=$($pkg_config --cflags gnutls)
3127         gnutls_libs=$($pkg_config --libs gnutls)
3128         # Packaging for the static libraries is not always correct.
3129         # At least ubuntu 18.04 ships only shared libraries.
3130         write_c_skeleton
3131         if compile_prog "" "$gnutls_libs" ; then
3132             LIBS="$gnutls_libs $LIBS"
3133             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
3134             pass="yes"
3135         fi
3136     fi
3137     if test "$pass" = "no" && test "$gnutls" = "yes"; then
3138         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
3139     else
3140         gnutls="$pass"
3141     fi
3142 fi
3143
3144
3145 # If user didn't give a --disable/enable-gcrypt flag,
3146 # then mark as disabled if user requested nettle
3147 # explicitly
3148 if test -z "$gcrypt"
3149 then
3150     if test "$nettle" = "yes"
3151     then
3152         gcrypt="no"
3153     fi
3154 fi
3155
3156 # If user didn't give a --disable/enable-nettle flag,
3157 # then mark as disabled if user requested gcrypt
3158 # explicitly
3159 if test -z "$nettle"
3160 then
3161     if test "$gcrypt" = "yes"
3162     then
3163         nettle="no"
3164     fi
3165 fi
3166
3167 has_libgcrypt() {
3168     if ! has "libgcrypt-config"
3169     then
3170         return 1
3171     fi
3172
3173     if test -n "$cross_prefix"
3174     then
3175         host=$(libgcrypt-config --host)
3176         if test "$host-" != $cross_prefix
3177         then
3178             return 1
3179         fi
3180     fi
3181
3182     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
3183     min=`libgcrypt-config --version | awk -F . '{print $2}'`
3184
3185     if test $maj != 1 || test $min -lt 5
3186     then
3187        return 1
3188     fi
3189
3190     return 0
3191 }
3192
3193
3194 if test "$nettle" != "no"; then
3195     pass="no"
3196     if $pkg_config --exists "nettle >= 2.7.1"; then
3197         nettle_cflags=$($pkg_config --cflags nettle)
3198         nettle_libs=$($pkg_config --libs nettle)
3199         nettle_version=$($pkg_config --modversion nettle)
3200         # Link test to make sure the given libraries work (e.g for static).
3201         write_c_skeleton
3202         if compile_prog "" "$nettle_libs" ; then
3203             LIBS="$nettle_libs $LIBS"
3204             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
3205             if test -z "$gcrypt"; then
3206                gcrypt="no"
3207             fi
3208             pass="yes"
3209         fi
3210     fi
3211     if test "$pass" = "yes"
3212     then
3213         cat > $TMPC << EOF
3214 #include <nettle/xts.h>
3215 int main(void) {
3216   return 0;
3217 }
3218 EOF
3219         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3220             nettle_xts=yes
3221             qemu_private_xts=no
3222         fi
3223     fi
3224     if test "$pass" = "no" && test "$nettle" = "yes"; then
3225         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3226     else
3227         nettle="$pass"
3228     fi
3229 fi
3230
3231 if test "$gcrypt" != "no"; then
3232     pass="no"
3233     if has_libgcrypt; then
3234         gcrypt_cflags=$(libgcrypt-config --cflags)
3235         gcrypt_libs=$(libgcrypt-config --libs)
3236         # Debian has removed -lgpg-error from libgcrypt-config
3237         # as it "spreads unnecessary dependencies" which in
3238         # turn breaks static builds...
3239         if test "$static" = "yes"
3240         then
3241             gcrypt_libs="$gcrypt_libs -lgpg-error"
3242         fi
3243
3244         # Link test to make sure the given libraries work (e.g for static).
3245         write_c_skeleton
3246         if compile_prog "" "$gcrypt_libs" ; then
3247             LIBS="$gcrypt_libs $LIBS"
3248             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3249             pass="yes"
3250         fi
3251     fi
3252     if test "$pass" = "yes"; then
3253         gcrypt="yes"
3254         cat > $TMPC << EOF
3255 #include <gcrypt.h>
3256 int main(void) {
3257   gcry_mac_hd_t handle;
3258   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3259                 GCRY_MAC_FLAG_SECURE, NULL);
3260   return 0;
3261 }
3262 EOF
3263         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3264             gcrypt_hmac=yes
3265         fi
3266         cat > $TMPC << EOF
3267 #include <gcrypt.h>
3268 int main(void) {
3269   gcry_cipher_hd_t handle;
3270   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3271   return 0;
3272 }
3273 EOF
3274         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3275             gcrypt_xts=yes
3276             qemu_private_xts=no
3277         fi
3278     elif test "$gcrypt" = "yes"; then
3279         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3280     else
3281         gcrypt="no"
3282     fi
3283 fi
3284
3285
3286 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3287 then
3288     error_exit "Only one of gcrypt & nettle can be enabled"
3289 fi
3290
3291 ##########################################
3292 # libtasn1 - only for the TLS creds/session test suite
3293
3294 tasn1=yes
3295 tasn1_cflags=""
3296 tasn1_libs=""
3297 if $pkg_config --exists "libtasn1"; then
3298     tasn1_cflags=$($pkg_config --cflags libtasn1)
3299     tasn1_libs=$($pkg_config --libs libtasn1)
3300 else
3301     tasn1=no
3302 fi
3303
3304
3305 ##########################################
3306 # PAM probe
3307
3308 if test "$auth_pam" != "no"; then
3309     cat > $TMPC <<EOF
3310 #include <security/pam_appl.h>
3311 #include <stdio.h>
3312 int main(void) {
3313    const char *service_name = "qemu";
3314    const char *user = "frank";
3315    const struct pam_conv pam_conv = { 0 };
3316    pam_handle_t *pamh = NULL;
3317    pam_start(service_name, user, &pam_conv, &pamh);
3318    return 0;
3319 }
3320 EOF
3321     if compile_prog "" "-lpam" ; then
3322         auth_pam=yes
3323     else
3324         if test "$auth_pam" = "yes"; then
3325             feature_not_found "PAM" "Install PAM development package"
3326         else
3327             auth_pam=no
3328         fi
3329     fi
3330 fi
3331
3332 ##########################################
3333 # getifaddrs (for tests/test-io-channel-socket )
3334
3335 have_ifaddrs_h=yes
3336 if ! check_include "ifaddrs.h" ; then
3337   have_ifaddrs_h=no
3338 fi
3339
3340 #########################################
3341 # libdrm check
3342 have_drm_h=no
3343 if check_include "libdrm/drm.h" ; then
3344     have_drm_h=yes
3345 fi
3346
3347 #########################################
3348 # sys/signal.h check
3349 have_sys_signal_h=no
3350 if check_include "sys/signal.h" ; then
3351   have_sys_signal_h=yes
3352 fi
3353
3354 ##########################################
3355 # VTE probe
3356
3357 if test "$vte" != "no"; then
3358     vteminversion="0.32.0"
3359     if $pkg_config --exists "vte-2.91"; then
3360       vtepackage="vte-2.91"
3361     else
3362       vtepackage="vte-2.90"
3363     fi
3364     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3365         vte_cflags=$($pkg_config --cflags $vtepackage)
3366         vte_libs=$($pkg_config --libs $vtepackage)
3367         vteversion=$($pkg_config --modversion $vtepackage)
3368         vte="yes"
3369     elif test "$vte" = "yes"; then
3370         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3371     else
3372         vte="no"
3373     fi
3374 fi
3375
3376 ##########################################
3377 # RDMA needs OpenFabrics libraries
3378 if test "$rdma" != "no" ; then
3379   cat > $TMPC <<EOF
3380 #include <rdma/rdma_cma.h>
3381 int main(void) { return 0; }
3382 EOF
3383   rdma_libs="-lrdmacm -libverbs -libumad"
3384   if compile_prog "" "$rdma_libs" ; then
3385     rdma="yes"
3386   else
3387     if test "$rdma" = "yes" ; then
3388         error_exit \
3389             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3390             " Your options:" \
3391             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3392             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3393             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3394     fi
3395     rdma="no"
3396   fi
3397 fi
3398
3399 ##########################################
3400 # PVRDMA detection
3401
3402 cat > $TMPC <<EOF &&
3403 #include <sys/mman.h>
3404
3405 int
3406 main(void)
3407 {
3408     char buf = 0;
3409     void *addr = &buf;
3410     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3411
3412     return 0;
3413 }
3414 EOF
3415
3416 if test "$rdma" = "yes" ; then
3417     case "$pvrdma" in
3418     "")
3419         if compile_prog "" ""; then
3420             pvrdma="yes"
3421         else
3422             pvrdma="no"
3423         fi
3424         ;;
3425     "yes")
3426         if ! compile_prog "" ""; then
3427             error_exit "PVRDMA is not supported since mremap is not implemented"
3428         fi
3429         pvrdma="yes"
3430         ;;
3431     "no")
3432         pvrdma="no"
3433         ;;
3434     esac
3435 else
3436     if test "$pvrdma" = "yes" ; then
3437         error_exit "PVRDMA requires rdma suppport"
3438     fi
3439     pvrdma="no"
3440 fi
3441
3442 # Let's see if enhanced reg_mr is supported
3443 if test "$pvrdma" = "yes" ; then
3444
3445 cat > $TMPC <<EOF &&
3446 #include <infiniband/verbs.h>
3447
3448 int
3449 main(void)
3450 {
3451     struct ibv_mr *mr;
3452     struct ibv_pd *pd = NULL;
3453     size_t length = 10;
3454     uint64_t iova = 0;
3455     int access = 0;
3456     void *addr = NULL;
3457
3458     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3459
3460     ibv_dereg_mr(mr);
3461
3462     return 0;
3463 }
3464 EOF
3465     if ! compile_prog "" "-libverbs"; then
3466         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3467     fi
3468 fi
3469
3470 ##########################################
3471 # xfsctl() probe, used for file-posix.c
3472 if test "$xfs" != "no" ; then
3473   cat > $TMPC << EOF
3474 #include <stddef.h>  /* NULL */
3475 #include <xfs/xfs.h>
3476 int main(void)
3477 {
3478     xfsctl(NULL, 0, 0, NULL);
3479     return 0;
3480 }
3481 EOF
3482   if compile_prog "" "" ; then
3483     xfs="yes"
3484   else
3485     if test "$xfs" = "yes" ; then
3486       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3487     fi
3488     xfs=no
3489   fi
3490 fi
3491
3492 ##########################################
3493 # vde libraries probe
3494 if test "$vde" != "no" ; then
3495   vde_libs="-lvdeplug"
3496   cat > $TMPC << EOF
3497 #include <libvdeplug.h>
3498 int main(void)
3499 {
3500     struct vde_open_args a = {0, 0, 0};
3501     char s[] = "";
3502     vde_open(s, s, &a);
3503     return 0;
3504 }
3505 EOF
3506   if compile_prog "" "$vde_libs" ; then
3507     vde=yes
3508   else
3509     if test "$vde" = "yes" ; then
3510       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3511     fi
3512     vde=no
3513   fi
3514 fi
3515
3516 ##########################################
3517 # netmap support probe
3518 # Apart from looking for netmap headers, we make sure that the host API version
3519 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3520 # a minor/major version number. Minor new features will be marked with values up
3521 # to 15, and if something happens that requires a change to the backend we will
3522 # move above 15, submit the backend fixes and modify this two bounds.
3523 if test "$netmap" != "no" ; then
3524   cat > $TMPC << EOF
3525 #include <inttypes.h>
3526 #include <net/if.h>
3527 #include <net/netmap.h>
3528 #include <net/netmap_user.h>
3529 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3530 #error
3531 #endif
3532 int main(void) { return 0; }
3533 EOF
3534   if compile_prog "" "" ; then
3535     netmap=yes
3536   else
3537     if test "$netmap" = "yes" ; then
3538       feature_not_found "netmap"
3539     fi
3540     netmap=no
3541   fi
3542 fi
3543
3544 ##########################################
3545 # libcap-ng library probe
3546 if test "$cap_ng" != "no" ; then
3547   cap_libs="-lcap-ng"
3548   cat > $TMPC << EOF
3549 #include <cap-ng.h>
3550 int main(void)
3551 {
3552     capng_capability_to_name(CAPNG_EFFECTIVE);
3553     return 0;
3554 }
3555 EOF
3556   if compile_prog "" "$cap_libs" ; then
3557     cap_ng=yes
3558   else
3559     if test "$cap_ng" = "yes" ; then
3560       feature_not_found "cap_ng" "Install libcap-ng devel"
3561     fi
3562     cap_ng=no
3563   fi
3564 fi
3565
3566 ##########################################
3567 # Sound support libraries probe
3568
3569 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3570 for drv in $audio_drv_list; do
3571     case $drv in
3572     alsa | try-alsa)
3573     if $pkg_config alsa --exists; then
3574         alsa_libs=$($pkg_config alsa --libs)
3575         alsa_cflags=$($pkg_config alsa --cflags)
3576         alsa=yes
3577         if test "$drv" = "try-alsa"; then
3578             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3579         fi
3580     else
3581         if test "$drv" = "try-alsa"; then
3582             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3583         else
3584             error_exit "$drv check failed" \
3585                 "Make sure to have the $drv libs and headers installed."
3586         fi
3587     fi
3588     ;;
3589
3590     pa | try-pa)
3591     if $pkg_config libpulse --exists; then
3592         libpulse=yes
3593         pulse_libs=$($pkg_config libpulse --libs)
3594         pulse_cflags=$($pkg_config libpulse --cflags)
3595         if test "$drv" = "try-pa"; then
3596             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3597         fi
3598     else
3599         if test "$drv" = "try-pa"; then
3600             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3601         else
3602             error_exit "$drv check failed" \
3603                 "Make sure to have the $drv libs and headers installed."
3604         fi
3605     fi
3606     ;;
3607
3608     sdl)
3609     if test "$sdl" = "no"; then
3610         error_exit "sdl not found or disabled, can not use sdl audio driver"
3611     fi
3612     ;;
3613
3614     try-sdl)
3615     if test "$sdl" = "no"; then
3616         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3617     else
3618         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3619     fi
3620     ;;
3621
3622     coreaudio)
3623       coreaudio_libs="-framework CoreAudio"
3624     ;;
3625
3626     dsound)
3627       dsound_libs="-lole32 -ldxguid"
3628       audio_win_int="yes"
3629     ;;
3630
3631     oss)
3632       oss_libs="$oss_lib"
3633     ;;
3634
3635     jack | try-jack)
3636     if $pkg_config jack --exists; then
3637         libjack=yes
3638         jack_libs=$($pkg_config jack --libs)
3639         if test "$drv" = "try-jack"; then
3640             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3641         fi
3642     else
3643         if test "$drv" = "try-jack"; then
3644             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3645         else
3646             error_exit "$drv check failed" \
3647                 "Make sure to have the $drv libs and headers installed."
3648         fi
3649     fi
3650     ;;
3651
3652     *)
3653     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3654         error_exit "Unknown driver '$drv' selected" \
3655             "Possible drivers are: $audio_possible_drivers"
3656     }
3657     ;;
3658     esac
3659 done
3660
3661 ##########################################
3662 # BrlAPI probe
3663
3664 if test "$brlapi" != "no" ; then
3665   brlapi_libs="-lbrlapi"
3666   cat > $TMPC << EOF
3667 #include <brlapi.h>
3668 #include <stddef.h>
3669 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3670 EOF
3671   if compile_prog "" "$brlapi_libs" ; then
3672     brlapi=yes
3673   else
3674     if test "$brlapi" = "yes" ; then
3675       feature_not_found "brlapi" "Install brlapi devel"
3676     fi
3677     brlapi=no
3678   fi
3679 fi
3680
3681 ##########################################
3682 # iconv probe
3683 if test "$iconv" != "no" ; then
3684   cat > $TMPC << EOF
3685 #include <iconv.h>
3686 int main(void) {
3687   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3688   return conv != (iconv_t) -1;
3689 }
3690 EOF
3691   iconv_prefix_list="/usr/local:/usr"
3692   iconv_lib_list=":-liconv"
3693   IFS=:
3694   for iconv_prefix in $iconv_prefix_list; do
3695     IFS=:
3696     iconv_cflags="-I$iconv_prefix/include"
3697     iconv_ldflags="-L$iconv_prefix/lib"
3698     for iconv_link in $iconv_lib_list; do
3699       unset IFS
3700       iconv_lib="$iconv_ldflags $iconv_link"
3701       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3702       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3703         iconv_found=yes
3704         break
3705       fi
3706     done
3707     if test "$iconv_found" = yes ; then
3708       break
3709     fi
3710   done
3711   if test "$iconv_found" = "yes" ; then
3712     iconv=yes
3713   else
3714     if test "$iconv" = "yes" ; then
3715       feature_not_found "iconv" "Install iconv devel"
3716     fi
3717     iconv=no
3718   fi
3719 fi
3720
3721 ##########################################
3722 # curses probe
3723 if test "$iconv" = "no" ; then
3724   # curses will need iconv
3725   curses=no
3726 fi
3727 if test "$curses" != "no" ; then
3728   if test "$mingw32" = "yes" ; then
3729     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3730     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3731   else
3732     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3733     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3734   fi
3735   curses_found=no
3736   cat > $TMPC << EOF
3737 #include <locale.h>
3738 #include <curses.h>
3739 #include <wchar.h>
3740 #include <langinfo.h>
3741 int main(void) {
3742   const char *codeset;
3743   wchar_t wch = L'w';
3744   setlocale(LC_ALL, "");
3745   resize_term(0, 0);
3746   addwstr(L"wide chars\n");
3747   addnwstr(&wch, 1);
3748   add_wch(WACS_DEGREE);
3749   codeset = nl_langinfo(CODESET);
3750   return codeset != 0;
3751 }
3752 EOF
3753   IFS=:
3754   for curses_inc in $curses_inc_list; do
3755     # Make sure we get the wide character prototypes
3756     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3757     IFS=:
3758     for curses_lib in $curses_lib_list; do
3759       unset IFS
3760       if compile_prog "$curses_inc" "$curses_lib" ; then
3761         curses_found=yes
3762         break
3763       fi
3764     done
3765     if test "$curses_found" = yes ; then
3766       break
3767     fi
3768   done
3769   unset IFS
3770   if test "$curses_found" = "yes" ; then
3771     curses=yes
3772   else
3773     if test "$curses" = "yes" ; then
3774       feature_not_found "curses" "Install ncurses devel"
3775     fi
3776     curses=no
3777   fi
3778 fi
3779
3780 ##########################################
3781 # curl probe
3782 if test "$curl" != "no" ; then
3783   if $pkg_config libcurl --exists; then
3784     curlconfig="$pkg_config libcurl"
3785   else
3786     curlconfig=curl-config
3787   fi
3788   cat > $TMPC << EOF
3789 #include <curl/curl.h>
3790 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3791 EOF
3792   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3793   curl_libs=$($curlconfig --libs 2>/dev/null)
3794   if compile_prog "$curl_cflags" "$curl_libs" ; then
3795     curl=yes
3796   else
3797     if test "$curl" = "yes" ; then
3798       feature_not_found "curl" "Install libcurl devel"
3799     fi
3800     curl=no
3801   fi
3802 fi # test "$curl"
3803
3804 ##########################################
3805 # glib support probe
3806
3807 glib_req_ver=2.48
3808 glib_modules=gthread-2.0
3809 if test "$modules" = yes; then
3810     glib_modules="$glib_modules gmodule-export-2.0"
3811 fi
3812 if test "$plugins" = yes; then
3813     glib_modules="$glib_modules gmodule-2.0"
3814 fi
3815
3816 # This workaround is required due to a bug in pkg-config file for glib as it
3817 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3818
3819 if test "$static" = yes && test "$mingw32" = yes; then
3820     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3821 fi
3822
3823 for i in $glib_modules; do
3824     if $pkg_config --atleast-version=$glib_req_ver $i; then
3825         glib_cflags=$($pkg_config --cflags $i)
3826         glib_libs=$($pkg_config --libs $i)
3827         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3828         LIBS="$glib_libs $LIBS"
3829     else
3830         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3831     fi
3832 done
3833
3834 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3835     gio=yes
3836     gio_cflags=$($pkg_config --cflags gio-2.0)
3837     gio_libs=$($pkg_config --libs gio-2.0)
3838     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3839     if [ ! -x "$gdbus_codegen" ]; then
3840         gdbus_codegen=
3841     fi
3842 else
3843     gio=no
3844 fi
3845
3846 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3847     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3848     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3849 fi
3850
3851 # Sanity check that the current size_t matches the
3852 # size that glib thinks it should be. This catches
3853 # problems on multi-arch where people try to build
3854 # 32-bit QEMU while pointing at 64-bit glib headers
3855 cat > $TMPC <<EOF
3856 #include <glib.h>
3857 #include <unistd.h>
3858
3859 #define QEMU_BUILD_BUG_ON(x) \
3860   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3861
3862 int main(void) {
3863    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3864    return 0;
3865 }
3866 EOF
3867
3868 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3869     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3870                "You probably need to set PKG_CONFIG_LIBDIR"\
3871                "to point to the right pkg-config files for your"\
3872                "build target"
3873 fi
3874
3875 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3876 cat > $TMPC << EOF
3877 #include <glib.h>
3878 int main(void) { return 0; }
3879 EOF
3880 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3881     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3882         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3883         QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
3884     fi
3885 fi
3886
3887 # Silence clang warnings triggered by glib < 2.57.2
3888 cat > $TMPC << EOF
3889 #include <glib.h>
3890 typedef struct Foo {
3891     int i;
3892 } Foo;
3893 static void foo_free(Foo *f)
3894 {
3895     g_free(f);
3896 }
3897 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3898 int main(void) { return 0; }
3899 EOF
3900 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3901     if cc_has_warning_flag "-Wno-unused-function"; then
3902         glib_cflags="$glib_cflags -Wno-unused-function"
3903         CFLAGS="$CFLAGS -Wno-unused-function"
3904     fi
3905 fi
3906
3907 #########################################
3908 # zlib check
3909
3910 if test "$zlib" != "no" ; then
3911     if $pkg_config --exists zlib; then
3912         zlib_cflags=$($pkg_config --cflags zlib)
3913         zlib_libs=$($pkg_config --libs zlib)
3914         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3915         LIBS="$zlib_libs $LIBS"
3916     else
3917         cat > $TMPC << EOF
3918 #include <zlib.h>
3919 int main(void) { zlibVersion(); return 0; }
3920 EOF
3921         if compile_prog "" "-lz" ; then
3922             zlib_libs=-lz
3923             LIBS="$LIBS $zlib_libs"
3924         else
3925             error_exit "zlib check failed" \
3926                 "Make sure to have the zlib libs and headers installed."
3927         fi
3928     fi
3929 fi
3930
3931 ##########################################
3932 # SHA command probe for modules
3933 if test "$modules" = yes; then
3934     shacmd_probe="sha1sum sha1 shasum"
3935     for c in $shacmd_probe; do
3936         if has $c; then
3937             shacmd="$c"
3938             break
3939         fi
3940     done
3941     if test "$shacmd" = ""; then
3942         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3943     fi
3944 fi
3945
3946 ##########################################
3947 # libmpathpersist probe
3948
3949 if test "$mpath" != "no" ; then
3950   # probe for the new API
3951   cat > $TMPC <<EOF
3952 #include <libudev.h>
3953 #include <mpath_persist.h>
3954 unsigned mpath_mx_alloc_len = 1024;
3955 int logsink;
3956 static struct config *multipath_conf;
3957 extern struct udev *udev;
3958 extern struct config *get_multipath_config(void);
3959 extern void put_multipath_config(struct config *conf);
3960 struct udev *udev;
3961 struct config *get_multipath_config(void) { return multipath_conf; }
3962 void put_multipath_config(struct config *conf) { }
3963
3964 int main(void) {
3965     udev = udev_new();
3966     multipath_conf = mpath_lib_init();
3967     return 0;
3968 }
3969 EOF
3970   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3971     mpathpersist=yes
3972     mpathpersist_new_api=yes
3973   else
3974     # probe for the old API
3975     cat > $TMPC <<EOF
3976 #include <libudev.h>
3977 #include <mpath_persist.h>
3978 unsigned mpath_mx_alloc_len = 1024;
3979 int logsink;
3980 int main(void) {
3981     struct udev *udev = udev_new();
3982     mpath_lib_init(udev);
3983     return 0;
3984 }
3985 EOF
3986     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3987       mpathpersist=yes
3988       mpathpersist_new_api=no
3989     else
3990       mpathpersist=no
3991     fi
3992   fi
3993 else
3994   mpathpersist=no
3995 fi
3996
3997 ##########################################
3998 # pthread probe
3999 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
4000
4001 pthread=no
4002 cat > $TMPC << EOF
4003 #include <pthread.h>
4004 static void *f(void *p) { return NULL; }
4005 int main(void) {
4006   pthread_t thread;
4007   pthread_create(&thread, 0, f, 0);
4008   return 0;
4009 }
4010 EOF
4011 if compile_prog "" "" ; then
4012   pthread=yes
4013 else
4014   for pthread_lib in $PTHREADLIBS_LIST; do
4015     if compile_prog "" "$pthread_lib" ; then
4016       pthread=yes
4017       found=no
4018       for lib_entry in $LIBS; do
4019         if test "$lib_entry" = "$pthread_lib"; then
4020           found=yes
4021           break
4022         fi
4023       done
4024       if test "$found" = "no"; then
4025         LIBS="$pthread_lib $LIBS"
4026       fi
4027       PTHREAD_LIB="$pthread_lib"
4028       break
4029     fi
4030   done
4031 fi
4032
4033 if test "$mingw32" != yes && test "$pthread" = no; then
4034   error_exit "pthread check failed" \
4035       "Make sure to have the pthread libs and headers installed."
4036 fi
4037
4038 # check for pthread_setname_np with thread id
4039 pthread_setname_np_w_tid=no
4040 cat > $TMPC << EOF
4041 #include <pthread.h>
4042
4043 static void *f(void *p) { return NULL; }
4044 int main(void)
4045 {
4046     pthread_t thread;
4047     pthread_create(&thread, 0, f, 0);
4048     pthread_setname_np(thread, "QEMU");
4049     return 0;
4050 }
4051 EOF
4052 if compile_prog "" "$pthread_lib" ; then
4053   pthread_setname_np_w_tid=yes
4054 fi
4055
4056 # check for pthread_setname_np without thread id
4057 pthread_setname_np_wo_tid=no
4058 cat > $TMPC << EOF
4059 #include <pthread.h>
4060
4061 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4062 int main(void)
4063 {
4064     pthread_t thread;
4065     pthread_create(&thread, 0, f, 0);
4066     return 0;
4067 }
4068 EOF
4069 if compile_prog "" "$pthread_lib" ; then
4070   pthread_setname_np_wo_tid=yes
4071 fi
4072
4073 ##########################################
4074 # rbd probe
4075 if test "$rbd" != "no" ; then
4076   cat > $TMPC <<EOF
4077 #include <stdio.h>
4078 #include <rbd/librbd.h>
4079 int main(void) {
4080     rados_t cluster;
4081     rados_create(&cluster, NULL);
4082     return 0;
4083 }
4084 EOF
4085   rbd_libs="-lrbd -lrados"
4086   if compile_prog "" "$rbd_libs" ; then
4087     rbd=yes
4088   else
4089     if test "$rbd" = "yes" ; then
4090       feature_not_found "rados block device" "Install librbd/ceph devel"
4091     fi
4092     rbd=no
4093   fi
4094 fi
4095
4096 ##########################################
4097 # libssh probe
4098 if test "$libssh" != "no" ; then
4099   if $pkg_config --exists libssh; then
4100     libssh_cflags=$($pkg_config libssh --cflags)
4101     libssh_libs=$($pkg_config libssh --libs)
4102     libssh=yes
4103   else
4104     if test "$libssh" = "yes" ; then
4105       error_exit "libssh required for --enable-libssh"
4106     fi
4107     libssh=no
4108   fi
4109 fi
4110
4111 ##########################################
4112 # Check for libssh 0.8
4113 # This is done like this instead of using the LIBSSH_VERSION_* and
4114 # SSH_VERSION_* macros because some distributions in the past shipped
4115 # snapshots of the future 0.8 from Git, and those snapshots did not
4116 # have updated version numbers (still referring to 0.7.0).
4117
4118 if test "$libssh" = "yes"; then
4119   cat > $TMPC <<EOF
4120 #include <libssh/libssh.h>
4121 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4122 EOF
4123   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4124     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4125   fi
4126 fi
4127
4128 ##########################################
4129 # linux-aio probe
4130
4131 if test "$linux_aio" != "no" ; then
4132   cat > $TMPC <<EOF
4133 #include <libaio.h>
4134 #include <sys/eventfd.h>
4135 #include <stddef.h>
4136 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4137 EOF
4138   if compile_prog "" "-laio" ; then
4139     linux_aio=yes
4140   else
4141     if test "$linux_aio" = "yes" ; then
4142       feature_not_found "linux AIO" "Install libaio devel"
4143     fi
4144     linux_aio=no
4145   fi
4146 fi
4147 ##########################################
4148 # linux-io-uring probe
4149
4150 if test "$linux_io_uring" != "no" ; then
4151   if $pkg_config liburing; then
4152     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4153     linux_io_uring_libs=$($pkg_config --libs liburing)
4154     linux_io_uring=yes
4155
4156     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4157     # seen by programs linking the archive.  It's not ideal, but just add the
4158     # library dependency globally.
4159     LIBS="$linux_io_uring_libs $LIBS"
4160   else
4161     if test "$linux_io_uring" = "yes" ; then
4162       feature_not_found "linux io_uring" "Install liburing devel"
4163     fi
4164     linux_io_uring=no
4165   fi
4166 fi
4167
4168 ##########################################
4169 # TPM emulation is only on POSIX
4170
4171 if test "$tpm" = ""; then
4172   if test "$mingw32" = "yes"; then
4173     tpm=no
4174   else
4175     tpm=yes
4176   fi
4177 elif test "$tpm" = "yes"; then
4178   if test "$mingw32" = "yes" ; then
4179     error_exit "TPM emulation only available on POSIX systems"
4180   fi
4181 fi
4182
4183 ##########################################
4184 # attr probe
4185
4186 libattr_libs=
4187 if test "$attr" != "no" ; then
4188   cat > $TMPC <<EOF
4189 #include <stdio.h>
4190 #include <sys/types.h>
4191 #ifdef CONFIG_LIBATTR
4192 #include <attr/xattr.h>
4193 #else
4194 #include <sys/xattr.h>
4195 #endif
4196 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4197 EOF
4198   if compile_prog "" "" ; then
4199     attr=yes
4200   # Older distros have <attr/xattr.h>, and need -lattr:
4201   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4202     attr=yes
4203     libattr_libs="-lattr"
4204     LIBS="$libattr_libs $LIBS"
4205     libattr=yes
4206   else
4207     if test "$attr" = "yes" ; then
4208       feature_not_found "ATTR" "Install libc6 or libattr devel"
4209     fi
4210     attr=no
4211   fi
4212 fi
4213
4214 ##########################################
4215 # iovec probe
4216 cat > $TMPC <<EOF
4217 #include <sys/types.h>
4218 #include <sys/uio.h>
4219 #include <unistd.h>
4220 int main(void) { return sizeof(struct iovec); }
4221 EOF
4222 iovec=no
4223 if compile_prog "" "" ; then
4224   iovec=yes
4225 fi
4226
4227 ##########################################
4228 # preadv probe
4229 cat > $TMPC <<EOF
4230 #include <sys/types.h>
4231 #include <sys/uio.h>
4232 #include <unistd.h>
4233 int main(void) { return preadv(0, 0, 0, 0); }
4234 EOF
4235 preadv=no
4236 if compile_prog "" "" ; then
4237   preadv=yes
4238 fi
4239
4240 ##########################################
4241 # fdt probe
4242 # fdt support is mandatory for at least some target architectures,
4243 # so insist on it if we're building those system emulators.
4244 fdt_required=no
4245 for target in $target_list; do
4246   case $target in
4247     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4248       fdt_required=yes
4249     ;;
4250   esac
4251 done
4252
4253 if test "$fdt_required" = "yes"; then
4254   if test "$fdt" = "no"; then
4255     error_exit "fdt disabled but some requested targets require it." \
4256       "You can turn off fdt only if you also disable all the system emulation" \
4257       "targets which need it (by specifying a cut down --target-list)."
4258   fi
4259   fdt=yes
4260 elif test "$fdt" != "yes" ; then
4261   fdt=no
4262 fi
4263
4264 # fdt is only required when building softmmu targets
4265 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4266     fdt="no"
4267 fi
4268
4269 if test "$fdt" != "no" ; then
4270   fdt_libs="-lfdt"
4271   # explicitly check for libfdt_env.h as it is missing in some stable installs
4272   # and test for required functions to make sure we are on a version >= 1.4.2
4273   cat > $TMPC << EOF
4274 #include <libfdt.h>
4275 #include <libfdt_env.h>
4276 int main(void) { fdt_check_full(NULL, 0); return 0; }
4277 EOF
4278   if compile_prog "" "$fdt_libs" ; then
4279     # system DTC is good - use it
4280     fdt=system
4281   else
4282       # have GIT checkout, so activate dtc submodule
4283       if test -e "${source_path}/.git" ; then
4284           git_submodules="${git_submodules} dtc"
4285       fi
4286       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4287           fdt=git
4288           mkdir -p dtc
4289           if [ "$pwd_is_source_path" != "y" ] ; then
4290               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4291           fi
4292           fdt_cflags="-I${source_path}/dtc/libfdt"
4293           fdt_ldflags="-L$PWD/dtc/libfdt"
4294           fdt_libs="$fdt_libs"
4295       elif test "$fdt" = "yes" ; then
4296           # Not a git build & no libfdt found, prompt for system install
4297           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4298                      "Please install the DTC (libfdt) devel package"
4299       else
4300           # don't have and don't want
4301           fdt_libs=
4302           fdt=no
4303       fi
4304   fi
4305 fi
4306
4307 ##########################################
4308 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4309
4310 gbm="no"
4311 if $pkg_config gbm; then
4312     gbm_cflags="$($pkg_config --cflags gbm)"
4313     gbm_libs="$($pkg_config --libs gbm)"
4314     gbm="yes"
4315 fi
4316
4317 if test "$opengl" != "no" ; then
4318   opengl_pkgs="epoxy gbm"
4319   if $pkg_config $opengl_pkgs; then
4320     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4321     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4322     opengl=yes
4323     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4324         gtk_gl="yes"
4325     fi
4326     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4327   else
4328     if test "$opengl" = "yes" ; then
4329       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4330     fi
4331     opengl_cflags=""
4332     opengl_libs=""
4333     opengl=no
4334   fi
4335 fi
4336
4337 if test "$opengl" = "yes"; then
4338   cat > $TMPC << EOF
4339 #include <epoxy/egl.h>
4340 #ifndef EGL_MESA_image_dma_buf_export
4341 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4342 #endif
4343 int main(void) { return 0; }
4344 EOF
4345   if compile_prog "" "" ; then
4346     opengl_dmabuf=yes
4347   fi
4348 fi
4349
4350 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4351   for target in $target_list; do
4352     case $target in
4353       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4354         need_x11=yes
4355       ;;
4356     esac
4357   done
4358 fi
4359
4360 ##########################################
4361 # libxml2 probe
4362 if test "$libxml2" != "no" ; then
4363     if $pkg_config --exists libxml-2.0; then
4364         libxml2="yes"
4365         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4366         libxml2_libs=$($pkg_config --libs libxml-2.0)
4367     else
4368         if test "$libxml2" = "yes"; then
4369             feature_not_found "libxml2" "Install libxml2 devel"
4370         fi
4371         libxml2="no"
4372     fi
4373 fi
4374
4375 ##########################################
4376 # glusterfs probe
4377 if test "$glusterfs" != "no" ; then
4378   if $pkg_config --atleast-version=3 glusterfs-api; then
4379     glusterfs="yes"
4380     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4381     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4382     if $pkg_config --atleast-version=4 glusterfs-api; then
4383       glusterfs_xlator_opt="yes"
4384     fi
4385     if $pkg_config --atleast-version=5 glusterfs-api; then
4386       glusterfs_discard="yes"
4387     fi
4388     if $pkg_config --atleast-version=6 glusterfs-api; then
4389       glusterfs_fallocate="yes"
4390       glusterfs_zerofill="yes"
4391     fi
4392     cat > $TMPC << EOF
4393 #include <glusterfs/api/glfs.h>
4394
4395 int
4396 main(void)
4397 {
4398         /* new glfs_ftruncate() passes two additional args */
4399         return glfs_ftruncate(NULL, 0, NULL, NULL);
4400 }
4401 EOF
4402     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4403       glusterfs_ftruncate_has_stat="yes"
4404     fi
4405     cat > $TMPC << EOF
4406 #include <glusterfs/api/glfs.h>
4407
4408 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4409 static void
4410 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4411 {}
4412
4413 int
4414 main(void)
4415 {
4416         glfs_io_cbk iocb = &glusterfs_iocb;
4417         iocb(NULL, 0 , NULL, NULL, NULL);
4418         return 0;
4419 }
4420 EOF
4421     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4422       glusterfs_iocb_has_stat="yes"
4423     fi
4424   else
4425     if test "$glusterfs" = "yes" ; then
4426       feature_not_found "GlusterFS backend support" \
4427           "Install glusterfs-api devel >= 3"
4428     fi
4429     glusterfs="no"
4430   fi
4431 fi
4432
4433 # Check for inotify functions when we are building linux-user
4434 # emulator.  This is done because older glibc versions don't
4435 # have syscall stubs for these implemented.  In that case we
4436 # don't provide them even if kernel supports them.
4437 #
4438 inotify=no
4439 cat > $TMPC << EOF
4440 #include <sys/inotify.h>
4441
4442 int
4443 main(void)
4444 {
4445         /* try to start inotify */
4446         return inotify_init();
4447 }
4448 EOF
4449 if compile_prog "" "" ; then
4450   inotify=yes
4451 fi
4452
4453 inotify1=no
4454 cat > $TMPC << EOF
4455 #include <sys/inotify.h>
4456
4457 int
4458 main(void)
4459 {
4460     /* try to start inotify */
4461     return inotify_init1(0);
4462 }
4463 EOF
4464 if compile_prog "" "" ; then
4465   inotify1=yes
4466 fi
4467
4468 # check if pipe2 is there
4469 pipe2=no
4470 cat > $TMPC << EOF
4471 #include <unistd.h>
4472 #include <fcntl.h>
4473
4474 int main(void)
4475 {
4476     int pipefd[2];
4477     return pipe2(pipefd, O_CLOEXEC);
4478 }
4479 EOF
4480 if compile_prog "" "" ; then
4481   pipe2=yes
4482 fi
4483
4484 # check if accept4 is there
4485 accept4=no
4486 cat > $TMPC << EOF
4487 #include <sys/socket.h>
4488 #include <stddef.h>
4489
4490 int main(void)
4491 {
4492     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4493     return 0;
4494 }
4495 EOF
4496 if compile_prog "" "" ; then
4497   accept4=yes
4498 fi
4499
4500 # check if tee/splice is there. vmsplice was added same time.
4501 splice=no
4502 cat > $TMPC << EOF
4503 #include <unistd.h>
4504 #include <fcntl.h>
4505 #include <limits.h>
4506
4507 int main(void)
4508 {
4509     int len, fd = 0;
4510     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4511     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4512     return 0;
4513 }
4514 EOF
4515 if compile_prog "" "" ; then
4516   splice=yes
4517 fi
4518
4519 ##########################################
4520 # libnuma probe
4521
4522 if test "$numa" != "no" ; then
4523   cat > $TMPC << EOF
4524 #include <numa.h>
4525 int main(void) { return numa_available(); }
4526 EOF
4527
4528   if compile_prog "" "-lnuma" ; then
4529     numa=yes
4530     numa_libs="-lnuma"
4531   else
4532     if test "$numa" = "yes" ; then
4533       feature_not_found "numa" "install numactl devel"
4534     fi
4535     numa=no
4536   fi
4537 fi
4538
4539 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4540     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4541     exit 1
4542 fi
4543
4544 # Even if malloc_trim() is available, these non-libc memory allocators
4545 # do not support it.
4546 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4547     if test "$malloc_trim" = "yes" ; then
4548         echo "Disabling malloc_trim with non-libc memory allocator"
4549     fi
4550     malloc_trim="no"
4551 fi
4552
4553 #######################################
4554 # malloc_trim
4555
4556 if test "$malloc_trim" != "no" ; then
4557     cat > $TMPC << EOF
4558 #include <malloc.h>
4559 int main(void) { malloc_trim(0); return 0; }
4560 EOF
4561     if compile_prog "" "" ; then
4562         malloc_trim="yes"
4563     else
4564         malloc_trim="no"
4565     fi
4566 fi
4567
4568 ##########################################
4569 # tcmalloc probe
4570
4571 if test "$tcmalloc" = "yes" ; then
4572   cat > $TMPC << EOF
4573 #include <stdlib.h>
4574 int main(void) {
4575     void *tmp = malloc(1);
4576     if (tmp != NULL) {
4577         return 0;
4578     }
4579     return 1;
4580 }
4581 EOF
4582
4583   if compile_prog "" "-ltcmalloc" ; then
4584     LIBS="-ltcmalloc $LIBS"
4585   else
4586     feature_not_found "tcmalloc" "install gperftools devel"
4587   fi
4588 fi
4589
4590 ##########################################
4591 # jemalloc probe
4592
4593 if test "$jemalloc" = "yes" ; then
4594   cat > $TMPC << EOF
4595 #include <stdlib.h>
4596 int main(void) {
4597     void *tmp = malloc(1);
4598     if (tmp != NULL) {
4599         return 0;
4600     }
4601     return 1;
4602 }
4603 EOF
4604
4605   if compile_prog "" "-ljemalloc" ; then
4606     LIBS="-ljemalloc $LIBS"
4607   else
4608     feature_not_found "jemalloc" "install jemalloc devel"
4609   fi
4610 fi
4611
4612 ##########################################
4613 # signalfd probe
4614 signalfd="no"
4615 cat > $TMPC << EOF
4616 #include <unistd.h>
4617 #include <sys/syscall.h>
4618 #include <signal.h>
4619 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4620 EOF
4621
4622 if compile_prog "" "" ; then
4623   signalfd=yes
4624 fi
4625
4626 # check if optreset global is declared by <getopt.h>
4627 optreset="no"
4628 cat > $TMPC << EOF
4629 #include <getopt.h>
4630 int main(void) { return optreset; }
4631 EOF
4632
4633 if compile_prog "" "" ; then
4634   optreset=yes
4635 fi
4636
4637 # check if eventfd is supported
4638 eventfd=no
4639 cat > $TMPC << EOF
4640 #include <sys/eventfd.h>
4641
4642 int main(void)
4643 {
4644     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4645 }
4646 EOF
4647 if compile_prog "" "" ; then
4648   eventfd=yes
4649 fi
4650
4651 # check if memfd is supported
4652 memfd=no
4653 cat > $TMPC << EOF
4654 #include <sys/mman.h>
4655
4656 int main(void)
4657 {
4658     return memfd_create("foo", MFD_ALLOW_SEALING);
4659 }
4660 EOF
4661 if compile_prog "" "" ; then
4662   memfd=yes
4663 fi
4664
4665 # check for usbfs
4666 have_usbfs=no
4667 if test "$linux_user" = "yes"; then
4668   cat > $TMPC << EOF
4669 #include <linux/usbdevice_fs.h>
4670
4671 #ifndef USBDEVFS_GET_CAPABILITIES
4672 #error "USBDEVFS_GET_CAPABILITIES undefined"
4673 #endif
4674
4675 #ifndef USBDEVFS_DISCONNECT_CLAIM
4676 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4677 #endif
4678
4679 int main(void)
4680 {
4681     return 0;
4682 }
4683 EOF
4684   if compile_prog "" ""; then
4685     have_usbfs=yes
4686   fi
4687 fi
4688
4689 # check for fallocate
4690 fallocate=no
4691 cat > $TMPC << EOF
4692 #include <fcntl.h>
4693
4694 int main(void)
4695 {
4696     fallocate(0, 0, 0, 0);
4697     return 0;
4698 }
4699 EOF
4700 if compile_prog "" "" ; then
4701   fallocate=yes
4702 fi
4703
4704 # check for fallocate hole punching
4705 fallocate_punch_hole=no
4706 cat > $TMPC << EOF
4707 #include <fcntl.h>
4708 #include <linux/falloc.h>
4709
4710 int main(void)
4711 {
4712     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4713     return 0;
4714 }
4715 EOF
4716 if compile_prog "" "" ; then
4717   fallocate_punch_hole=yes
4718 fi
4719
4720 # check that fallocate supports range zeroing inside the file
4721 fallocate_zero_range=no
4722 cat > $TMPC << EOF
4723 #include <fcntl.h>
4724 #include <linux/falloc.h>
4725
4726 int main(void)
4727 {
4728     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4729     return 0;
4730 }
4731 EOF
4732 if compile_prog "" "" ; then
4733   fallocate_zero_range=yes
4734 fi
4735
4736 # check for posix_fallocate
4737 posix_fallocate=no
4738 cat > $TMPC << EOF
4739 #include <fcntl.h>
4740
4741 int main(void)
4742 {
4743     posix_fallocate(0, 0, 0);
4744     return 0;
4745 }
4746 EOF
4747 if compile_prog "" "" ; then
4748     posix_fallocate=yes
4749 fi
4750
4751 # check for sync_file_range
4752 sync_file_range=no
4753 cat > $TMPC << EOF
4754 #include <fcntl.h>
4755
4756 int main(void)
4757 {
4758     sync_file_range(0, 0, 0, 0);
4759     return 0;
4760 }
4761 EOF
4762 if compile_prog "" "" ; then
4763   sync_file_range=yes
4764 fi
4765
4766 # check for linux/fiemap.h and FS_IOC_FIEMAP
4767 fiemap=no
4768 cat > $TMPC << EOF
4769 #include <sys/ioctl.h>
4770 #include <linux/fs.h>
4771 #include <linux/fiemap.h>
4772
4773 int main(void)
4774 {
4775     ioctl(0, FS_IOC_FIEMAP, 0);
4776     return 0;
4777 }
4778 EOF
4779 if compile_prog "" "" ; then
4780   fiemap=yes
4781 fi
4782
4783 # check for dup3
4784 dup3=no
4785 cat > $TMPC << EOF
4786 #include <unistd.h>
4787
4788 int main(void)
4789 {
4790     dup3(0, 0, 0);
4791     return 0;
4792 }
4793 EOF
4794 if compile_prog "" "" ; then
4795   dup3=yes
4796 fi
4797
4798 # check for ppoll support
4799 ppoll=no
4800 cat > $TMPC << EOF
4801 #include <poll.h>
4802
4803 int main(void)
4804 {
4805     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4806     ppoll(&pfd, 1, 0, 0);
4807     return 0;
4808 }
4809 EOF
4810 if compile_prog "" "" ; then
4811   ppoll=yes
4812 fi
4813
4814 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4815 prctl_pr_set_timerslack=no
4816 cat > $TMPC << EOF
4817 #include <sys/prctl.h>
4818
4819 int main(void)
4820 {
4821     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4822     return 0;
4823 }
4824 EOF
4825 if compile_prog "" "" ; then
4826   prctl_pr_set_timerslack=yes
4827 fi
4828
4829 # check for epoll support
4830 epoll=no
4831 cat > $TMPC << EOF
4832 #include <sys/epoll.h>
4833
4834 int main(void)
4835 {
4836     epoll_create(0);
4837     return 0;
4838 }
4839 EOF
4840 if compile_prog "" "" ; then
4841   epoll=yes
4842 fi
4843
4844 # epoll_create1 is a later addition
4845 # so we must check separately for its presence
4846 epoll_create1=no
4847 cat > $TMPC << EOF
4848 #include <sys/epoll.h>
4849
4850 int main(void)
4851 {
4852     /* Note that we use epoll_create1 as a value, not as
4853      * a function being called. This is necessary so that on
4854      * old SPARC glibc versions where the function was present in
4855      * the library but not declared in the header file we will
4856      * fail the configure check. (Otherwise we will get a compiler
4857      * warning but not an error, and will proceed to fail the
4858      * qemu compile where we compile with -Werror.)
4859      */
4860     return (int)(uintptr_t)&epoll_create1;
4861 }
4862 EOF
4863 if compile_prog "" "" ; then
4864   epoll_create1=yes
4865 fi
4866
4867 # check for sendfile support
4868 sendfile=no
4869 cat > $TMPC << EOF
4870 #include <sys/sendfile.h>
4871
4872 int main(void)
4873 {
4874     return sendfile(0, 0, 0, 0);
4875 }
4876 EOF
4877 if compile_prog "" "" ; then
4878   sendfile=yes
4879 fi
4880
4881 # check for timerfd support (glibc 2.8 and newer)
4882 timerfd=no
4883 cat > $TMPC << EOF
4884 #include <sys/timerfd.h>
4885
4886 int main(void)
4887 {
4888     return(timerfd_create(CLOCK_REALTIME, 0));
4889 }
4890 EOF
4891 if compile_prog "" "" ; then
4892   timerfd=yes
4893 fi
4894
4895 # check for setns and unshare support
4896 setns=no
4897 cat > $TMPC << EOF
4898 #include <sched.h>
4899
4900 int main(void)
4901 {
4902     int ret;
4903     ret = setns(0, 0);
4904     ret = unshare(0);
4905     return ret;
4906 }
4907 EOF
4908 if compile_prog "" "" ; then
4909   setns=yes
4910 fi
4911
4912 # clock_adjtime probe
4913 clock_adjtime=no
4914 cat > $TMPC <<EOF
4915 #include <time.h>
4916
4917 int main(void)
4918 {
4919     return clock_adjtime(0, 0);
4920 }
4921 EOF
4922 clock_adjtime=no
4923 if compile_prog "" "" ; then
4924   clock_adjtime=yes
4925 fi
4926
4927 # syncfs probe
4928 syncfs=no
4929 cat > $TMPC <<EOF
4930 #include <unistd.h>
4931
4932 int main(void)
4933 {
4934     return syncfs(0);
4935 }
4936 EOF
4937 syncfs=no
4938 if compile_prog "" "" ; then
4939   syncfs=yes
4940 fi
4941
4942 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4943 kcov=no
4944 if check_include sys/kcov.h ; then
4945     kcov=yes
4946 fi
4947
4948 # If we're making warnings fatal, apply this to Sphinx runs as well
4949 sphinx_werror=""
4950 if test "$werror" = "yes"; then
4951     sphinx_werror="-W"
4952 fi
4953
4954 # Check we have a new enough version of sphinx-build
4955 has_sphinx_build() {
4956     # This is a bit awkward but works: create a trivial document and
4957     # try to run it with our configuration file (which enforces a
4958     # version requirement). This will fail if either
4959     # sphinx-build doesn't exist at all or if it is too old.
4960     mkdir -p "$TMPDIR1/sphinx"
4961     touch "$TMPDIR1/sphinx/index.rst"
4962     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4963                     -b html "$TMPDIR1/sphinx" \
4964                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4965 }
4966
4967 # Check if tools are available to build documentation.
4968 if test "$docs" != "no" ; then
4969   if has_sphinx_build; then
4970     sphinx_ok=yes
4971   else
4972     sphinx_ok=no
4973   fi
4974   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4975     docs=yes
4976   else
4977     if test "$docs" = "yes" ; then
4978       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4979         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4980       fi
4981       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4982     fi
4983     docs=no
4984   fi
4985 fi
4986
4987 # Search for bswap_32 function
4988 byteswap_h=no
4989 cat > $TMPC << EOF
4990 #include <byteswap.h>
4991 int main(void) { return bswap_32(0); }
4992 EOF
4993 if compile_prog "" "" ; then
4994   byteswap_h=yes
4995 fi
4996
4997 # Search for bswap32 function
4998 bswap_h=no
4999 cat > $TMPC << EOF
5000 #include <sys/endian.h>
5001 #include <sys/types.h>
5002 #include <machine/bswap.h>
5003 int main(void) { return bswap32(0); }
5004 EOF
5005 if compile_prog "" "" ; then
5006   bswap_h=yes
5007 fi
5008
5009 ##########################################
5010 # Do we have libiscsi >= 1.9.0
5011 if test "$libiscsi" != "no" ; then
5012   if $pkg_config --atleast-version=1.9.0 libiscsi; then
5013     libiscsi="yes"
5014     libiscsi_cflags=$($pkg_config --cflags libiscsi)
5015     libiscsi_libs=$($pkg_config --libs libiscsi)
5016   else
5017     if test "$libiscsi" = "yes" ; then
5018       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5019     fi
5020     libiscsi="no"
5021   fi
5022 fi
5023
5024 ##########################################
5025 # Do we need libm
5026 cat > $TMPC << EOF
5027 #include <math.h>
5028 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5029 EOF
5030 if compile_prog "" "" ; then
5031   :
5032 elif compile_prog "" "-lm" ; then
5033   LIBS="-lm $LIBS"
5034 else
5035   error_exit "libm check failed"
5036 fi
5037
5038 ##########################################
5039 # Do we need librt
5040 # uClibc provides 2 versions of clock_gettime(), one with realtime
5041 # support and one without. This means that the clock_gettime() don't
5042 # need -lrt. We still need it for timer_create() so we check for this
5043 # function in addition.
5044 cat > $TMPC <<EOF
5045 #include <signal.h>
5046 #include <time.h>
5047 int main(void) {
5048   timer_create(CLOCK_REALTIME, NULL, NULL);
5049   return clock_gettime(CLOCK_REALTIME, NULL);
5050 }
5051 EOF
5052
5053 if compile_prog "" "" ; then
5054   :
5055 # we need pthread for static linking. use previous pthread test result
5056 elif compile_prog "" "$pthread_lib -lrt" ; then
5057   LIBS="$LIBS -lrt"
5058 fi
5059
5060 # Check whether we need to link libutil for openpty()
5061 cat > $TMPC << EOF
5062 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5063 int main(void) { return openpty(0, 0, 0, 0, 0); }
5064 EOF
5065
5066 have_openpty="no"
5067 if compile_prog "" "" ; then
5068   have_openpty="yes"
5069 else
5070   if compile_prog "" "-lutil" ; then
5071     libs_tools="-lutil $libs_tools"
5072     have_openpty="yes"
5073   fi
5074 fi
5075
5076 ##########################################
5077 # spice probe
5078 if test "$spice" != "no" ; then
5079   cat > $TMPC << EOF
5080 #include <spice.h>
5081 int main(void) { spice_server_new(); return 0; }
5082 EOF
5083   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5084   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5085   if $pkg_config --atleast-version=0.12.5 spice-server && \
5086      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5087      compile_prog "$spice_cflags" "$spice_libs" ; then
5088     spice="yes"
5089     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5090   else
5091     if test "$spice" = "yes" ; then
5092       feature_not_found "spice" \
5093           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5094     fi
5095     spice="no"
5096   fi
5097 fi
5098
5099 # check for smartcard support
5100 if test "$smartcard" != "no"; then
5101     if $pkg_config --atleast-version=2.5.1 libcacard; then
5102         libcacard_cflags=$($pkg_config --cflags libcacard)
5103         libcacard_libs=$($pkg_config --libs libcacard)
5104         smartcard="yes"
5105     else
5106         if test "$smartcard" = "yes"; then
5107             feature_not_found "smartcard" "Install libcacard devel"
5108         fi
5109         smartcard="no"
5110     fi
5111 fi
5112
5113 # check for libusb
5114 if test "$libusb" != "no" ; then
5115     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5116         libusb="yes"
5117         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5118         libusb_libs=$($pkg_config --libs libusb-1.0)
5119     else
5120         if test "$libusb" = "yes"; then
5121             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5122         fi
5123         libusb="no"
5124     fi
5125 fi
5126
5127 # check for usbredirparser for usb network redirection support
5128 if test "$usb_redir" != "no" ; then
5129     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5130         usb_redir="yes"
5131         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5132         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5133     else
5134         if test "$usb_redir" = "yes"; then
5135             feature_not_found "usb-redir" "Install usbredir devel"
5136         fi
5137         usb_redir="no"
5138     fi
5139 fi
5140
5141 ##########################################
5142 # check if we have VSS SDK headers for win
5143
5144 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5145         test "$vss_win32_sdk" != "no" ; then
5146   case "$vss_win32_sdk" in
5147     "")   vss_win32_include="-isystem $source_path" ;;
5148     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5149           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5150           vss_win32_include="-isystem $source_path/.sdk/vss"
5151           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5152           ;;
5153     *)    vss_win32_include="-isystem $vss_win32_sdk"
5154   esac
5155   cat > $TMPC << EOF
5156 #define __MIDL_user_allocate_free_DEFINED__
5157 #include <inc/win2003/vss.h>
5158 int main(void) { return VSS_CTX_BACKUP; }
5159 EOF
5160   if compile_prog "$vss_win32_include" "" ; then
5161     guest_agent_with_vss="yes"
5162     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5163     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5164     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5165   else
5166     if test "$vss_win32_sdk" != "" ; then
5167       echo "ERROR: Please download and install Microsoft VSS SDK:"
5168       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5169       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5170       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5171       echo "ERROR: The headers are extracted in the directory \`inc'."
5172       feature_not_found "VSS support"
5173     fi
5174     guest_agent_with_vss="no"
5175   fi
5176 fi
5177
5178 ##########################################
5179 # lookup Windows platform SDK (if not specified)
5180 # The SDK is needed only to build .tlb (type library) file of guest agent
5181 # VSS provider from the source. It is usually unnecessary because the
5182 # pre-compiled .tlb file is included.
5183
5184 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5185         test "$guest_agent_with_vss" = "yes" ; then
5186   if test -z "$win_sdk"; then
5187     programfiles="$PROGRAMFILES"
5188     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5189     if test -n "$programfiles"; then
5190       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5191     else
5192       feature_not_found "Windows SDK"
5193     fi
5194   elif test "$win_sdk" = "no"; then
5195     win_sdk=""
5196   fi
5197 fi
5198
5199 ##########################################
5200 # check if mingw environment provides a recent ntddscsi.h
5201 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5202   cat > $TMPC << EOF
5203 #include <windows.h>
5204 #include <ntddscsi.h>
5205 int main(void) {
5206 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5207 #error Missing required ioctl definitions
5208 #endif
5209   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5210   return addr.Lun;
5211 }
5212 EOF
5213   if compile_prog "" "" ; then
5214     guest_agent_ntddscsi=yes
5215     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5216   fi
5217 fi
5218
5219 ##########################################
5220 # virgl renderer probe
5221
5222 if test "$virglrenderer" != "no" ; then
5223   cat > $TMPC << EOF
5224 #include <virglrenderer.h>
5225 int main(void) { virgl_renderer_poll(); return 0; }
5226 EOF
5227   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5228   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5229   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5230   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5231      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5232     virglrenderer="yes"
5233   else
5234     if test "$virglrenderer" = "yes" ; then
5235       feature_not_found "virglrenderer"
5236     fi
5237     virglrenderer="no"
5238   fi
5239 fi
5240
5241 ##########################################
5242 # capstone
5243
5244 case "$capstone" in
5245   "" | yes)
5246     if $pkg_config capstone; then
5247       capstone=system
5248     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5249       capstone=git
5250     elif test -e "${source_path}/capstone/Makefile" ; then
5251       capstone=internal
5252     elif test -z "$capstone" ; then
5253       capstone=no
5254     else
5255       feature_not_found "capstone" "Install capstone devel or git submodule"
5256     fi
5257     ;;
5258
5259   system)
5260     if ! $pkg_config capstone; then
5261       feature_not_found "capstone" "Install capstone devel"
5262     fi
5263     ;;
5264 esac
5265
5266 case "$capstone" in
5267   git | internal)
5268     if test "$capstone" = git; then
5269       git_submodules="${git_submodules} capstone"
5270     fi
5271     mkdir -p capstone
5272     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5273     if test "$mingw32" = "yes"; then
5274       LIBCAPSTONE=capstone.lib
5275     else
5276       LIBCAPSTONE=libcapstone.a
5277     fi
5278     capstone_libs="-L$PWD/capstone -lcapstone"
5279     capstone_cflags="-I${source_path}/capstone/include"
5280     ;;
5281
5282   system)
5283     capstone_libs="$($pkg_config --libs capstone)"
5284     capstone_cflags="$($pkg_config --cflags capstone)"
5285     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5286     ;;
5287
5288   no)
5289     ;;
5290   *)
5291     error_exit "Unknown state for capstone: $capstone"
5292     ;;
5293 esac
5294
5295 ##########################################
5296 # check if we have fdatasync
5297
5298 fdatasync=no
5299 cat > $TMPC << EOF
5300 #include <unistd.h>
5301 int main(void) {
5302 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5303 return fdatasync(0);
5304 #else
5305 #error Not supported
5306 #endif
5307 }
5308 EOF
5309 if compile_prog "" "" ; then
5310     fdatasync=yes
5311 fi
5312
5313 ##########################################
5314 # check if we have madvise
5315
5316 madvise=no
5317 cat > $TMPC << EOF
5318 #include <sys/types.h>
5319 #include <sys/mman.h>
5320 #include <stddef.h>
5321 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5322 EOF
5323 if compile_prog "" "" ; then
5324     madvise=yes
5325 fi
5326
5327 ##########################################
5328 # check if we have posix_madvise
5329
5330 posix_madvise=no
5331 cat > $TMPC << EOF
5332 #include <sys/mman.h>
5333 #include <stddef.h>
5334 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5335 EOF
5336 if compile_prog "" "" ; then
5337     posix_madvise=yes
5338 fi
5339
5340 ##########################################
5341 # check if we have posix_memalign()
5342
5343 posix_memalign=no
5344 cat > $TMPC << EOF
5345 #include <stdlib.h>
5346 int main(void) {
5347     void *p;
5348     return posix_memalign(&p, 8, 8);
5349 }
5350 EOF
5351 if compile_prog "" "" ; then
5352     posix_memalign=yes
5353 fi
5354
5355 ##########################################
5356 # check if we have posix_syslog
5357
5358 posix_syslog=no
5359 cat > $TMPC << EOF
5360 #include <syslog.h>
5361 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5362 EOF
5363 if compile_prog "" "" ; then
5364     posix_syslog=yes
5365 fi
5366
5367 ##########################################
5368 # check if we have sem_timedwait
5369
5370 sem_timedwait=no
5371 cat > $TMPC << EOF
5372 #include <semaphore.h>
5373 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5374 EOF
5375 if compile_prog "" "" ; then
5376     sem_timedwait=yes
5377 fi
5378
5379 ##########################################
5380 # check if we have strchrnul
5381
5382 strchrnul=no
5383 cat > $TMPC << EOF
5384 #include <string.h>
5385 int main(void);
5386 // Use a haystack that the compiler shouldn't be able to constant fold
5387 char *haystack = (char*)&main;
5388 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5389 EOF
5390 if compile_prog "" "" ; then
5391     strchrnul=yes
5392 fi
5393
5394 #########################################
5395 # check if we have st_atim
5396
5397 st_atim=no
5398 cat > $TMPC << EOF
5399 #include <sys/stat.h>
5400 #include <stddef.h>
5401 int main(void) { return offsetof(struct stat, st_atim); }
5402 EOF
5403 if compile_prog "" "" ; then
5404     st_atim=yes
5405 fi
5406
5407 ##########################################
5408 # check if trace backend exists
5409
5410 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5411 if test "$?" -ne 0 ; then
5412   error_exit "invalid trace backends" \
5413       "Please choose supported trace backends."
5414 fi
5415
5416 ##########################################
5417 # For 'ust' backend, test if ust headers are present
5418 if have_backend "ust"; then
5419   cat > $TMPC << EOF
5420 #include <lttng/tracepoint.h>
5421 int main(void) { return 0; }
5422 EOF
5423   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5424     if $pkg_config lttng-ust --exists; then
5425       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5426     else
5427       lttng_ust_libs="-llttng-ust -ldl"
5428     fi
5429     if $pkg_config liburcu-bp --exists; then
5430       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5431     else
5432       urcu_bp_libs="-lurcu-bp"
5433     fi
5434
5435     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5436   else
5437     error_exit "Trace backend 'ust' missing lttng-ust header files"
5438   fi
5439 fi
5440
5441 ##########################################
5442 # For 'dtrace' backend, test if 'dtrace' command is present
5443 if have_backend "dtrace"; then
5444   if ! has 'dtrace' ; then
5445     error_exit "dtrace command is not found in PATH $PATH"
5446   fi
5447   trace_backend_stap="no"
5448   if has 'stap' ; then
5449     trace_backend_stap="yes"
5450   fi
5451 fi
5452
5453 ##########################################
5454 # check and set a backend for coroutine
5455
5456 # We prefer ucontext, but it's not always possible. The fallback
5457 # is sigcontext. On Windows the only valid backend is the Windows
5458 # specific one.
5459
5460 ucontext_works=no
5461 if test "$darwin" != "yes"; then
5462   cat > $TMPC << EOF
5463 #include <ucontext.h>
5464 #ifdef __stub_makecontext
5465 #error Ignoring glibc stub makecontext which will always fail
5466 #endif
5467 int main(void) { makecontext(0, 0, 0); return 0; }
5468 EOF
5469   if compile_prog "" "" ; then
5470     ucontext_works=yes
5471   fi
5472 fi
5473
5474 if test "$coroutine" = ""; then
5475   if test "$mingw32" = "yes"; then
5476     coroutine=win32
5477   elif test "$ucontext_works" = "yes"; then
5478     coroutine=ucontext
5479   else
5480     coroutine=sigaltstack
5481   fi
5482 else
5483   case $coroutine in
5484   windows)
5485     if test "$mingw32" != "yes"; then
5486       error_exit "'windows' coroutine backend only valid for Windows"
5487     fi
5488     # Unfortunately the user visible backend name doesn't match the
5489     # coroutine-*.c filename for this case, so we have to adjust it here.
5490     coroutine=win32
5491     ;;
5492   ucontext)
5493     if test "$ucontext_works" != "yes"; then
5494       feature_not_found "ucontext"
5495     fi
5496     ;;
5497   sigaltstack)
5498     if test "$mingw32" = "yes"; then
5499       error_exit "only the 'windows' coroutine backend is valid for Windows"
5500     fi
5501     ;;
5502   *)
5503     error_exit "unknown coroutine backend $coroutine"
5504     ;;
5505   esac
5506 fi
5507
5508 if test "$coroutine_pool" = ""; then
5509   coroutine_pool=yes
5510 fi
5511
5512 if test "$debug_stack_usage" = "yes"; then
5513   if test "$coroutine_pool" = "yes"; then
5514     echo "WARN: disabling coroutine pool for stack usage debugging"
5515     coroutine_pool=no
5516   fi
5517 fi
5518
5519 ##################################################
5520 # SafeStack
5521
5522
5523 if test "$safe_stack" = "yes"; then
5524 cat > $TMPC << EOF
5525 int main(int argc, char *argv[])
5526 {
5527 #if ! __has_feature(safe_stack)
5528 #error SafeStack Disabled
5529 #endif
5530     return 0;
5531 }
5532 EOF
5533   flag="-fsanitize=safe-stack"
5534   # Check that safe-stack is supported and enabled.
5535   if compile_prog "-Werror $flag" "$flag"; then
5536     # Flag needed both at compilation and at linking
5537     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5538     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5539   else
5540     error_exit "SafeStack not supported by your compiler"
5541   fi
5542   if test "$coroutine" != "ucontext"; then
5543     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5544   fi
5545 else
5546 cat > $TMPC << EOF
5547 int main(int argc, char *argv[])
5548 {
5549 #if defined(__has_feature)
5550 #if __has_feature(safe_stack)
5551 #error SafeStack Enabled
5552 #endif
5553 #endif
5554     return 0;
5555 }
5556 EOF
5557 if test "$safe_stack" = "no"; then
5558   # Make sure that safe-stack is disabled
5559   if ! compile_prog "-Werror" ""; then
5560     # SafeStack was already enabled, try to explicitly remove the feature
5561     flag="-fno-sanitize=safe-stack"
5562     if ! compile_prog "-Werror $flag" "$flag"; then
5563       error_exit "Configure cannot disable SafeStack"
5564     fi
5565     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5566     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5567   fi
5568 else # "$safe_stack" = ""
5569   # Set safe_stack to yes or no based on pre-existing flags
5570   if compile_prog "-Werror" ""; then
5571     safe_stack="no"
5572   else
5573     safe_stack="yes"
5574     if test "$coroutine" != "ucontext"; then
5575       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5576     fi
5577   fi
5578 fi
5579 fi
5580
5581 ##########################################
5582 # check if we have open_by_handle_at
5583
5584 open_by_handle_at=no
5585 cat > $TMPC << EOF
5586 #include <fcntl.h>
5587 #if !defined(AT_EMPTY_PATH)
5588 # error missing definition
5589 #else
5590 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5591 #endif
5592 EOF
5593 if compile_prog "" "" ; then
5594     open_by_handle_at=yes
5595 fi
5596
5597 ########################################
5598 # check if we have linux/magic.h
5599
5600 linux_magic_h=no
5601 cat > $TMPC << EOF
5602 #include <linux/magic.h>
5603 int main(void) {
5604   return 0;
5605 }
5606 EOF
5607 if compile_prog "" "" ; then
5608     linux_magic_h=yes
5609 fi
5610
5611 ########################################
5612 # check if we have valgrind/valgrind.h
5613
5614 valgrind_h=no
5615 cat > $TMPC << EOF
5616 #include <valgrind/valgrind.h>
5617 int main(void) {
5618   return 0;
5619 }
5620 EOF
5621 if compile_prog "" "" ; then
5622     valgrind_h=yes
5623 fi
5624
5625 ########################################
5626 # check if environ is declared
5627
5628 has_environ=no
5629 cat > $TMPC << EOF
5630 #include <unistd.h>
5631 int main(void) {
5632     environ = 0;
5633     return 0;
5634 }
5635 EOF
5636 if compile_prog "" "" ; then
5637     has_environ=yes
5638 fi
5639
5640 ########################################
5641 # check if cpuid.h is usable.
5642
5643 cat > $TMPC << EOF
5644 #include <cpuid.h>
5645 int main(void) {
5646     unsigned a, b, c, d;
5647     int max = __get_cpuid_max(0, 0);
5648
5649     if (max >= 1) {
5650         __cpuid(1, a, b, c, d);
5651     }
5652
5653     if (max >= 7) {
5654         __cpuid_count(7, 0, a, b, c, d);
5655     }
5656
5657     return 0;
5658 }
5659 EOF
5660 if compile_prog "" "" ; then
5661     cpuid_h=yes
5662 fi
5663
5664 ##########################################
5665 # avx2 optimization requirement check
5666 #
5667 # There is no point enabling this if cpuid.h is not usable,
5668 # since we won't be able to select the new routines.
5669
5670 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5671   cat > $TMPC << EOF
5672 #pragma GCC push_options
5673 #pragma GCC target("avx2")
5674 #include <cpuid.h>
5675 #include <immintrin.h>
5676 static int bar(void *a) {
5677     __m256i x = *(__m256i *)a;
5678     return _mm256_testz_si256(x, x);
5679 }
5680 int main(int argc, char *argv[]) { return bar(argv[0]); }
5681 EOF
5682   if compile_object "" ; then
5683     avx2_opt="yes"
5684   else
5685     avx2_opt="no"
5686   fi
5687 fi
5688
5689 ##########################################
5690 # avx512f optimization requirement check
5691 #
5692 # There is no point enabling this if cpuid.h is not usable,
5693 # since we won't be able to select the new routines.
5694 # by default, it is turned off.
5695 # if user explicitly want to enable it, check environment
5696
5697 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5698   cat > $TMPC << EOF
5699 #pragma GCC push_options
5700 #pragma GCC target("avx512f")
5701 #include <cpuid.h>
5702 #include <immintrin.h>
5703 static int bar(void *a) {
5704     __m512i x = *(__m512i *)a;
5705     return _mm512_test_epi64_mask(x, x);
5706 }
5707 int main(int argc, char *argv[])
5708 {
5709         return bar(argv[0]);
5710 }
5711 EOF
5712   if ! compile_object "" ; then
5713     avx512f_opt="no"
5714   fi
5715 else
5716   avx512f_opt="no"
5717 fi
5718
5719 ########################################
5720 # check if __[u]int128_t is usable.
5721
5722 int128=no
5723 cat > $TMPC << EOF
5724 __int128_t a;
5725 __uint128_t b;
5726 int main (void) {
5727   a = a + b;
5728   b = a * b;
5729   a = a * a;
5730   return 0;
5731 }
5732 EOF
5733 if compile_prog "" "" ; then
5734     int128=yes
5735 fi
5736
5737 #########################################
5738 # See if 128-bit atomic operations are supported.
5739
5740 atomic128=no
5741 if test "$int128" = "yes"; then
5742   cat > $TMPC << EOF
5743 int main(void)
5744 {
5745   unsigned __int128 x = 0, y = 0;
5746   y = __atomic_load_16(&x, 0);
5747   __atomic_store_16(&x, y, 0);
5748   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5749   return 0;
5750 }
5751 EOF
5752   if compile_prog "" "" ; then
5753     atomic128=yes
5754   fi
5755 fi
5756
5757 cmpxchg128=no
5758 if test "$int128" = yes && test "$atomic128" = no; then
5759   cat > $TMPC << EOF
5760 int main(void)
5761 {
5762   unsigned __int128 x = 0, y = 0;
5763   __sync_val_compare_and_swap_16(&x, y, x);
5764   return 0;
5765 }
5766 EOF
5767   if compile_prog "" "" ; then
5768     cmpxchg128=yes
5769   fi
5770 fi
5771
5772 #########################################
5773 # See if 64-bit atomic operations are supported.
5774 # Note that without __atomic builtins, we can only
5775 # assume atomic loads/stores max at pointer size.
5776
5777 cat > $TMPC << EOF
5778 #include <stdint.h>
5779 int main(void)
5780 {
5781   uint64_t x = 0, y = 0;
5782 #ifdef __ATOMIC_RELAXED
5783   y = __atomic_load_8(&x, 0);
5784   __atomic_store_8(&x, y, 0);
5785   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5786   __atomic_exchange_8(&x, y, 0);
5787   __atomic_fetch_add_8(&x, y, 0);
5788 #else
5789   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5790   __sync_lock_test_and_set(&x, y);
5791   __sync_val_compare_and_swap(&x, y, 0);
5792   __sync_fetch_and_add(&x, y);
5793 #endif
5794   return 0;
5795 }
5796 EOF
5797 if compile_prog "" "" ; then
5798   atomic64=yes
5799 fi
5800
5801 #########################################
5802 # See if --dynamic-list is supported by the linker
5803 ld_dynamic_list="no"
5804 if test "$static" = "no" ; then
5805     cat > $TMPTXT <<EOF
5806 {
5807   foo;
5808 };
5809 EOF
5810
5811     cat > $TMPC <<EOF
5812 #include <stdio.h>
5813 void foo(void);
5814
5815 void foo(void)
5816 {
5817   printf("foo\n");
5818 }
5819
5820 int main(void)
5821 {
5822   foo();
5823   return 0;
5824 }
5825 EOF
5826
5827     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5828         ld_dynamic_list="yes"
5829     fi
5830 fi
5831
5832 #########################################
5833 # See if -exported_symbols_list is supported by the linker
5834
5835 ld_exported_symbols_list="no"
5836 if test "$static" = "no" ; then
5837     cat > $TMPTXT <<EOF
5838   _foo
5839 EOF
5840
5841     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5842         ld_exported_symbols_list="yes"
5843     fi
5844 fi
5845
5846 if  test "$plugins" = "yes" &&
5847     test "$ld_dynamic_list" = "no" &&
5848     test "$ld_exported_symbols_list" = "no" ; then
5849   error_exit \
5850       "Plugin support requires dynamic linking and specifying a set of symbols " \
5851       "that are exported to plugins. Unfortunately your linker doesn't " \
5852       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5853       "for this purpose. You can't build with --static."
5854 fi
5855
5856 ########################################
5857 # See if __attribute__((alias)) is supported.
5858 # This false for Xcode 9, but has been remedied for Xcode 10.
5859 # Unfortunately, travis uses Xcode 9 by default.
5860
5861 attralias=no
5862 cat > $TMPC << EOF
5863 int x = 1;
5864 extern const int y __attribute__((alias("x")));
5865 int main(void) { return 0; }
5866 EOF
5867 if compile_prog "" "" ; then
5868     attralias=yes
5869 fi
5870
5871 ########################################
5872 # check if getauxval is available.
5873
5874 getauxval=no
5875 cat > $TMPC << EOF
5876 #include <sys/auxv.h>
5877 int main(void) {
5878   return getauxval(AT_HWCAP) == 0;
5879 }
5880 EOF
5881 if compile_prog "" "" ; then
5882     getauxval=yes
5883 fi
5884
5885 ########################################
5886 # check if ccache is interfering with
5887 # semantic analysis of macros
5888
5889 unset CCACHE_CPP2
5890 ccache_cpp2=no
5891 cat > $TMPC << EOF
5892 static const int Z = 1;
5893 #define fn() ({ Z; })
5894 #define TAUT(X) ((X) == Z)
5895 #define PAREN(X, Y) (X == Y)
5896 #define ID(X) (X)
5897 int main(int argc, char *argv[])
5898 {
5899     int x = 0, y = 0;
5900     x = ID(x);
5901     x = fn();
5902     fn();
5903     if (PAREN(x, y)) return 0;
5904     if (TAUT(Z)) return 0;
5905     return 0;
5906 }
5907 EOF
5908
5909 if ! compile_object "-Werror"; then
5910     ccache_cpp2=yes
5911 fi
5912
5913 #################################################
5914 # clang does not support glibc + FORTIFY_SOURCE.
5915
5916 if test "$fortify_source" != "no"; then
5917   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5918     fortify_source="no";
5919   elif test -n "$cxx" && has $cxx &&
5920        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5921     fortify_source="no";
5922   else
5923     fortify_source="yes"
5924   fi
5925 fi
5926
5927 ###############################################
5928 # Check if copy_file_range is provided by glibc
5929 have_copy_file_range=no
5930 cat > $TMPC << EOF
5931 #include <unistd.h>
5932 int main(void) {
5933   copy_file_range(0, NULL, 0, NULL, 0, 0);
5934   return 0;
5935 }
5936 EOF
5937 if compile_prog "" "" ; then
5938     have_copy_file_range=yes
5939 fi
5940
5941 ##########################################
5942 # check if struct fsxattr is available via linux/fs.h
5943
5944 have_fsxattr=no
5945 cat > $TMPC << EOF
5946 #include <linux/fs.h>
5947 struct fsxattr foo;
5948 int main(void) {
5949   return 0;
5950 }
5951 EOF
5952 if compile_prog "" "" ; then
5953     have_fsxattr=yes
5954 fi
5955
5956 ##########################################
5957 # check for usable membarrier system call
5958 if test "$membarrier" = "yes"; then
5959     have_membarrier=no
5960     if test "$mingw32" = "yes" ; then
5961         have_membarrier=yes
5962     elif test "$linux" = "yes" ; then
5963         cat > $TMPC << EOF
5964     #include <linux/membarrier.h>
5965     #include <sys/syscall.h>
5966     #include <unistd.h>
5967     #include <stdlib.h>
5968     int main(void) {
5969         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5970         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5971         exit(0);
5972     }
5973 EOF
5974         if compile_prog "" "" ; then
5975             have_membarrier=yes
5976         fi
5977     fi
5978     if test "$have_membarrier" = "no"; then
5979       feature_not_found "membarrier" "membarrier system call not available"
5980     fi
5981 else
5982     # Do not enable it by default even for Mingw32, because it doesn't
5983     # work on Wine.
5984     membarrier=no
5985 fi
5986
5987 ##########################################
5988 # check if rtnetlink.h exists and is useful
5989 have_rtnetlink=no
5990 cat > $TMPC << EOF
5991 #include <linux/rtnetlink.h>
5992 int main(void) {
5993   return IFLA_PROTO_DOWN;
5994 }
5995 EOF
5996 if compile_prog "" "" ; then
5997     have_rtnetlink=yes
5998 fi
5999
6000 ##########################################
6001 # check for usable AF_VSOCK environment
6002 have_af_vsock=no
6003 cat > $TMPC << EOF
6004 #include <errno.h>
6005 #include <sys/types.h>
6006 #include <sys/socket.h>
6007 #if !defined(AF_VSOCK)
6008 # error missing AF_VSOCK flag
6009 #endif
6010 #include <linux/vm_sockets.h>
6011 int main(void) {
6012     int sock, ret;
6013     struct sockaddr_vm svm;
6014     socklen_t len = sizeof(svm);
6015     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
6016     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
6017     if ((ret == -1) && (errno == ENOTCONN)) {
6018         return 0;
6019     }
6020     return -1;
6021 }
6022 EOF
6023 if compile_prog "" "" ; then
6024     have_af_vsock=yes
6025 fi
6026
6027 ##########################################
6028 # check for usable AF_ALG environment
6029 have_afalg=no
6030 cat > $TMPC << EOF
6031 #include <errno.h>
6032 #include <sys/types.h>
6033 #include <sys/socket.h>
6034 #include <linux/if_alg.h>
6035 int main(void) {
6036     int sock;
6037     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6038     return sock;
6039 }
6040 EOF
6041 if compile_prog "" "" ; then
6042     have_afalg=yes
6043 fi
6044 if test "$crypto_afalg" = "yes"
6045 then
6046     if test "$have_afalg" != "yes"
6047     then
6048         error_exit "AF_ALG requested but could not be detected"
6049     fi
6050 fi
6051
6052
6053 #################################################
6054 # Check to see if we have the Hypervisor framework
6055 if [ "$darwin" = "yes" ] ; then
6056   cat > $TMPC << EOF
6057 #include <Hypervisor/hv.h>
6058 int main() { return 0;}
6059 EOF
6060   if ! compile_object ""; then
6061     hvf='no'
6062   else
6063     hvf='yes'
6064     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6065   fi
6066 fi
6067
6068 ##########################################
6069 # check for sysmacros.h
6070
6071 have_sysmacros=no
6072 cat > $TMPC << EOF
6073 #include <sys/sysmacros.h>
6074 int main(void) {
6075     return makedev(0, 0);
6076 }
6077 EOF
6078 if compile_prog "" "" ; then
6079     have_sysmacros=yes
6080 fi
6081
6082 ##########################################
6083 # check for _Static_assert()
6084
6085 have_static_assert=no
6086 cat > $TMPC << EOF
6087 _Static_assert(1, "success");
6088 int main(void) {
6089     return 0;
6090 }
6091 EOF
6092 if compile_prog "" "" ; then
6093     have_static_assert=yes
6094 fi
6095
6096 ##########################################
6097 # check for utmpx.h, it is missing e.g. on OpenBSD
6098
6099 have_utmpx=no
6100 cat > $TMPC << EOF
6101 #include <utmpx.h>
6102 struct utmpx user_info;
6103 int main(void) {
6104     return 0;
6105 }
6106 EOF
6107 if compile_prog "" "" ; then
6108     have_utmpx=yes
6109 fi
6110
6111 ##########################################
6112 # check for getrandom()
6113
6114 have_getrandom=no
6115 cat > $TMPC << EOF
6116 #include <sys/random.h>
6117 int main(void) {
6118     return getrandom(0, 0, GRND_NONBLOCK);
6119 }
6120 EOF
6121 if compile_prog "" "" ; then
6122     have_getrandom=yes
6123 fi
6124
6125 ##########################################
6126 # checks for sanitizers
6127
6128 have_asan=no
6129 have_ubsan=no
6130 have_asan_iface_h=no
6131 have_asan_iface_fiber=no
6132
6133 if test "$sanitizers" = "yes" ; then
6134   write_c_skeleton
6135   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6136       have_asan=yes
6137   fi
6138
6139   # we could use a simple skeleton for flags checks, but this also
6140   # detect the static linking issue of ubsan, see also:
6141   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6142   cat > $TMPC << EOF
6143 #include <stdlib.h>
6144 int main(void) {
6145     void *tmp = malloc(10);
6146     if (tmp != NULL) {
6147         return *(int *)(tmp + 2);
6148     }
6149     return 1;
6150 }
6151 EOF
6152   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6153       have_ubsan=yes
6154   fi
6155
6156   if check_include "sanitizer/asan_interface.h" ; then
6157       have_asan_iface_h=yes
6158   fi
6159
6160   cat > $TMPC << EOF
6161 #include <sanitizer/asan_interface.h>
6162 int main(void) {
6163   __sanitizer_start_switch_fiber(0, 0, 0);
6164   return 0;
6165 }
6166 EOF
6167   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6168       have_asan_iface_fiber=yes
6169   fi
6170 fi
6171
6172 ##########################################
6173 # checks for fuzzer
6174 if test "$fuzzing" = "yes" ; then
6175   write_c_fuzzer_skeleton
6176   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6177     have_fuzzer=yes
6178   else
6179     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6180     exit 1
6181   fi
6182 fi
6183
6184 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6185 # keep it separate until that is not the case.
6186 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6187   error_exit "TSAN is not supported with other sanitiziers."
6188 fi
6189 have_tsan=no
6190 have_tsan_iface_fiber=no
6191 if test "$tsan" = "yes" ; then
6192   write_c_skeleton
6193   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6194       have_tsan=yes
6195   fi
6196   cat > $TMPC << EOF
6197 #include <sanitizer/tsan_interface.h>
6198 int main(void) {
6199   __tsan_create_fiber(0);
6200   return 0;
6201 }
6202 EOF
6203   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6204       have_tsan_iface_fiber=yes
6205   fi
6206 fi
6207
6208 ##########################################
6209 # check for libpmem
6210
6211 if test "$libpmem" != "no"; then
6212         if $pkg_config --exists "libpmem"; then
6213                 libpmem="yes"
6214                 libpmem_libs=$($pkg_config --libs libpmem)
6215                 libpmem_cflags=$($pkg_config --cflags libpmem)
6216                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6217         else
6218                 if test "$libpmem" = "yes" ; then
6219                         feature_not_found "libpmem" "Install nvml or pmdk"
6220                 fi
6221                 libpmem="no"
6222         fi
6223 fi
6224
6225 ##########################################
6226 # check for libdaxctl
6227
6228 if test "$libdaxctl" != "no"; then
6229         if $pkg_config --atleast-version=57 "libdaxctl"; then
6230                 libdaxctl="yes"
6231                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6232                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6233                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6234         else
6235                 if test "$libdaxctl" = "yes" ; then
6236                         feature_not_found "libdaxctl" "Install libdaxctl"
6237                 fi
6238                 libdaxctl="no"
6239         fi
6240 fi
6241
6242 ##########################################
6243 # check for slirp
6244
6245 # slirp is only required when building softmmu targets
6246 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6247     slirp="no"
6248 fi
6249
6250 case "$slirp" in
6251   "" | yes)
6252     if $pkg_config slirp; then
6253       slirp=system
6254     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6255       slirp=git
6256     elif test -e "${source_path}/slirp/Makefile" ; then
6257       slirp=internal
6258     elif test -z "$slirp" ; then
6259       slirp=no
6260     else
6261       feature_not_found "slirp" "Install slirp devel or git submodule"
6262     fi
6263     ;;
6264
6265   system)
6266     if ! $pkg_config slirp; then
6267       feature_not_found "slirp" "Install slirp devel"
6268     fi
6269     ;;
6270 esac
6271
6272 case "$slirp" in
6273   git | internal)
6274     if test "$slirp" = git; then
6275       git_submodules="${git_submodules} slirp"
6276     fi
6277     mkdir -p slirp
6278     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6279     slirp_libs="-L$PWD/slirp -lslirp"
6280     if test "$mingw32" = "yes" ; then
6281       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6282     fi
6283     ;;
6284
6285   system)
6286     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6287     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6288     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6289     ;;
6290
6291   no)
6292     ;;
6293   *)
6294     error_exit "Unknown state for slirp: $slirp"
6295     ;;
6296 esac
6297
6298 ##########################################
6299 # check for usable __NR_keyctl syscall
6300
6301 if test "$linux" = "yes" ; then
6302
6303     have_keyring=no
6304     cat > $TMPC << EOF
6305 #include <errno.h>
6306 #include <asm/unistd.h>
6307 #include <linux/keyctl.h>
6308 #include <unistd.h>
6309 int main(void) {
6310     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6311 }
6312 EOF
6313     if compile_prog "" "" ; then
6314         have_keyring=yes
6315     fi
6316 fi
6317 if test "$secret_keyring" != "no"
6318 then
6319     if test "$have_keyring" = "yes"
6320     then
6321         secret_keyring=yes
6322     else
6323         if test "$secret_keyring" = "yes"
6324         then
6325             error_exit "syscall __NR_keyctl requested, \
6326 but not implemented on your system"
6327         else
6328             secret_keyring=no
6329         fi
6330     fi
6331 fi
6332
6333 ##########################################
6334 # check for usable keyutils.h
6335
6336 if test "$linux" = "yes" ; then
6337
6338     have_keyutils=no
6339     cat > $TMPC << EOF
6340 #include <errno.h>
6341 #include <asm/unistd.h>
6342 #include <unistd.h>
6343 #include <sys/types.h>
6344 #include <keyutils.h>
6345 int main(void) {
6346     return request_key("user", NULL, NULL, 0);
6347 }
6348 EOF
6349     if compile_prog "" "-lkeyutils"; then
6350         have_keyutils=yes
6351     fi
6352 fi
6353
6354
6355 ##########################################
6356 # End of CC checks
6357 # After here, no more $cc or $ld runs
6358
6359 write_c_skeleton
6360
6361 if test "$gcov" = "yes" ; then
6362   :
6363 elif test "$fortify_source" = "yes" ; then
6364   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6365   debug=no
6366 fi
6367 if test "$debug_info" = "yes"; then
6368   CFLAGS="-g $CFLAGS"
6369   LDFLAGS="-g $LDFLAGS"
6370 fi
6371 if test "$debug" = "no"; then
6372   CFLAGS="-O2 $CFLAGS"
6373 fi
6374
6375 case "$ARCH" in
6376 alpha)
6377   # Ensure there's only a single GP
6378   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6379 ;;
6380 esac
6381
6382 if test "$gprof" = "yes" ; then
6383   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6384   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6385 fi
6386
6387 if test "$have_asan" = "yes"; then
6388   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6389   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6390   if test "$have_asan_iface_h" = "no" ; then
6391       echo "ASAN build enabled, but ASAN header missing." \
6392            "Without code annotation, the report may be inferior."
6393   elif test "$have_asan_iface_fiber" = "no" ; then
6394       echo "ASAN build enabled, but ASAN header is too old." \
6395            "Without code annotation, the report may be inferior."
6396   fi
6397 fi
6398 if test "$have_tsan" = "yes" ; then
6399   if test "$have_tsan_iface_fiber" = "yes" ; then
6400     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6401     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6402   else
6403     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6404   fi
6405 elif test "$tsan" = "yes" ; then
6406   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6407 fi
6408 if test "$have_ubsan" = "yes"; then
6409   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6410   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6411 fi
6412
6413 ##########################################
6414 # Do we have libnfs
6415 if test "$libnfs" != "no" ; then
6416   if $pkg_config --atleast-version=1.9.3 libnfs; then
6417     libnfs="yes"
6418     libnfs_libs=$($pkg_config --libs libnfs)
6419   else
6420     if test "$libnfs" = "yes" ; then
6421       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6422     fi
6423     libnfs="no"
6424   fi
6425 fi
6426
6427 ##########################################
6428 # Do we have libudev
6429 if test "$libudev" != "no" ; then
6430   if $pkg_config libudev && test "$static" != "yes"; then
6431     libudev="yes"
6432     libudev_libs=$($pkg_config --libs libudev)
6433   else
6434     libudev="no"
6435   fi
6436 fi
6437
6438 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6439 if test "$werror" = "yes"; then
6440     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6441 fi
6442
6443 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6444 if test "$solaris" = "no" && test "$tsan" = "no"; then
6445     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6446         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6447     fi
6448 fi
6449
6450 # test if pod2man has --utf8 option
6451 if pod2man --help | grep -q utf8; then
6452     POD2MAN="pod2man --utf8"
6453 else
6454     POD2MAN="pod2man"
6455 fi
6456
6457 # Use ASLR, no-SEH and DEP if available
6458 if test "$mingw32" = "yes" ; then
6459     for flag in --dynamicbase --no-seh --nxcompat; do
6460         if ld_has $flag ; then
6461             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6462         fi
6463     done
6464 fi
6465
6466 # Disable OpenBSD W^X if available
6467 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6468     cat > $TMPC <<EOF
6469     int main(void) { return 0; }
6470 EOF
6471     wx_ldflags="-Wl,-z,wxneeded"
6472     if compile_prog "" "$wx_ldflags"; then
6473         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6474     fi
6475 fi
6476
6477 qemu_confdir=$sysconfdir$confsuffix
6478 qemu_moddir=$libdir$confsuffix
6479 qemu_datadir=$datadir$confsuffix
6480 qemu_localedir="$datadir/locale"
6481 qemu_icondir="$datadir/icons"
6482 qemu_desktopdir="$datadir/applications"
6483
6484 # We can only support ivshmem if we have eventfd
6485 if [ "$eventfd" = "yes" ]; then
6486   ivshmem=yes
6487 fi
6488
6489 if test "$softmmu" = yes ; then
6490   if test "$linux" = yes; then
6491     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6492       virtfs=yes
6493     else
6494       if test "$virtfs" = yes; then
6495         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6496       fi
6497       virtfs=no
6498     fi
6499     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6500       mpath=yes
6501     else
6502       if test "$mpath" = yes; then
6503         error_exit "Multipath requires libmpathpersist devel"
6504       fi
6505       mpath=no
6506     fi
6507   else
6508     if test "$virtfs" = yes; then
6509       error_exit "VirtFS is supported only on Linux"
6510     fi
6511     virtfs=no
6512     if test "$mpath" = yes; then
6513       error_exit "Multipath is supported only on Linux"
6514     fi
6515     mpath=no
6516   fi
6517 fi
6518
6519 # Probe for guest agent support/options
6520
6521 if [ "$guest_agent" != "no" ]; then
6522   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6523       guest_agent=no
6524   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6525       guest_agent=yes
6526   elif [ "$guest_agent" != yes ]; then
6527       guest_agent=no
6528   else
6529       error_exit "Guest agent is not supported on this platform"
6530   fi
6531 fi
6532
6533 # Guest agent Window MSI  package
6534
6535 if test "$guest_agent" != yes; then
6536   if test "$guest_agent_msi" = yes; then
6537     error_exit "MSI guest agent package requires guest agent enabled"
6538   fi
6539   guest_agent_msi=no
6540 elif test "$mingw32" != "yes"; then
6541   if test "$guest_agent_msi" = "yes"; then
6542     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6543   fi
6544   guest_agent_msi=no
6545 elif ! has wixl; then
6546   if test "$guest_agent_msi" = "yes"; then
6547     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6548   fi
6549   guest_agent_msi=no
6550 else
6551   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6552   # disabled explicitly
6553   if test "$guest_agent_msi" != "no"; then
6554     guest_agent_msi=yes
6555   fi
6556 fi
6557
6558 if test "$guest_agent_msi" = "yes"; then
6559   if test "$guest_agent_with_vss" = "yes"; then
6560     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6561   fi
6562
6563   if test "$QEMU_GA_MANUFACTURER" = ""; then
6564     QEMU_GA_MANUFACTURER=QEMU
6565   fi
6566
6567   if test "$QEMU_GA_DISTRO" = ""; then
6568     QEMU_GA_DISTRO=Linux
6569   fi
6570
6571   if test "$QEMU_GA_VERSION" = ""; then
6572       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6573   fi
6574
6575   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6576
6577   case "$cpu" in
6578   x86_64)
6579     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6580     ;;
6581   i386)
6582     QEMU_GA_MSI_ARCH="-D Arch=32"
6583     ;;
6584   *)
6585     error_exit "CPU $cpu not supported for building installation package"
6586     ;;
6587   esac
6588 fi
6589
6590 # Mac OS X ships with a broken assembler
6591 roms=
6592 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6593         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6594         test "$softmmu" = yes ; then
6595     # Different host OS linkers have different ideas about the name of the ELF
6596     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6597     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6598     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6599         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6600             ld_i386_emulation="$emu"
6601             roms="optionrom"
6602             break
6603         fi
6604     done
6605 fi
6606
6607 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6608 if test "$cpu" = "s390x" ; then
6609   write_c_skeleton
6610   if compile_prog "-march=z900" ""; then
6611     roms="$roms s390-ccw"
6612     # SLOF is required for building the s390-ccw firmware on s390x,
6613     # since it is using the libnet code from SLOF for network booting.
6614     if test -e "${source_path}/.git" ; then
6615       git_submodules="${git_submodules} roms/SLOF"
6616     fi
6617   fi
6618 fi
6619
6620 # Check that the C++ compiler exists and works with the C compiler.
6621 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6622 if has $cxx; then
6623     cat > $TMPC <<EOF
6624 int c_function(void);
6625 int main(void) { return c_function(); }
6626 EOF
6627
6628     compile_object
6629
6630     cat > $TMPCXX <<EOF
6631 extern "C" {
6632    int c_function(void);
6633 }
6634 int c_function(void) { return 42; }
6635 EOF
6636
6637     update_cxxflags
6638
6639     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6640         # C++ compiler $cxx works ok with C compiler $cc
6641         :
6642     else
6643         echo "C++ compiler $cxx does not work with C compiler $cc"
6644         echo "Disabling C++ specific optional code"
6645         cxx=
6646     fi
6647 else
6648     echo "No C++ compiler available; disabling C++ specific optional code"
6649     cxx=
6650 fi
6651
6652 echo_version() {
6653     if test "$1" = "yes" ; then
6654         echo "($2)"
6655     fi
6656 }
6657
6658 # prepend ftd flags after all config tests are done
6659 QEMU_CFLAGS="$fdt_cflags $QEMU_CFLAGS"
6660 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6661
6662 config_host_mak="config-host.mak"
6663
6664 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6665
6666 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6667 echo >> $config_host_mak
6668
6669 echo all: >> $config_host_mak
6670 echo "prefix=$prefix" >> $config_host_mak
6671 echo "bindir=$bindir" >> $config_host_mak
6672 echo "libdir=$libdir" >> $config_host_mak
6673 echo "libexecdir=$libexecdir" >> $config_host_mak
6674 echo "includedir=$includedir" >> $config_host_mak
6675 echo "mandir=$mandir" >> $config_host_mak
6676 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6677 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6678 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6679 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6680 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6681 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6682 if test "$mingw32" = "no" ; then
6683   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6684 fi
6685 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6686 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6687 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6688 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6689 echo "GIT=$git" >> $config_host_mak
6690 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6691 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6692
6693 echo "ARCH=$ARCH" >> $config_host_mak
6694
6695 if test "$default_devices" = "yes" ; then
6696   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6697 else
6698   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6699 fi
6700 if test "$debug_tcg" = "yes" ; then
6701   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6702 fi
6703 if test "$strip_opt" = "yes" ; then
6704   echo "STRIP=${strip}" >> $config_host_mak
6705 fi
6706 if test "$bigendian" = "yes" ; then
6707   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6708 fi
6709 if test "$mingw32" = "yes" ; then
6710   echo "CONFIG_WIN32=y" >> $config_host_mak
6711   rc_version=$(cat $source_path/VERSION)
6712   version_major=${rc_version%%.*}
6713   rc_version=${rc_version#*.}
6714   version_minor=${rc_version%%.*}
6715   rc_version=${rc_version#*.}
6716   version_subminor=${rc_version%%.*}
6717   version_micro=0
6718   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6719   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6720   if test "$guest_agent_with_vss" = "yes" ; then
6721     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6722     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6723     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6724   fi
6725   if test "$guest_agent_ntddscsi" = "yes" ; then
6726     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6727   fi
6728   if test "$guest_agent_msi" = "yes"; then
6729     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6730     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6731     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6732     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6733     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6734     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6735     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6736   fi
6737 else
6738   echo "CONFIG_POSIX=y" >> $config_host_mak
6739 fi
6740
6741 if test "$linux" = "yes" ; then
6742   echo "CONFIG_LINUX=y" >> $config_host_mak
6743 fi
6744
6745 if test "$darwin" = "yes" ; then
6746   echo "CONFIG_DARWIN=y" >> $config_host_mak
6747 fi
6748
6749 if test "$solaris" = "yes" ; then
6750   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6751 fi
6752 if test "$haiku" = "yes" ; then
6753   echo "CONFIG_HAIKU=y" >> $config_host_mak
6754 fi
6755 if test "$static" = "yes" ; then
6756   echo "CONFIG_STATIC=y" >> $config_host_mak
6757 fi
6758 if test "$profiler" = "yes" ; then
6759   echo "CONFIG_PROFILER=y" >> $config_host_mak
6760 fi
6761 if test "$want_tools" = "yes" ; then
6762   echo "CONFIG_TOOLS=y" >> $config_host_mak
6763 fi
6764 if test "$guest_agent" = "yes" ; then
6765   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6766 fi
6767 if test "$slirp" != "no"; then
6768   echo "CONFIG_SLIRP=y" >> $config_host_mak
6769   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6770   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6771   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6772 fi
6773 subdirs=
6774 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6775   subdirs="$subdirs slirp"
6776 fi
6777 if test "$vde" = "yes" ; then
6778   echo "CONFIG_VDE=y" >> $config_host_mak
6779   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6780 fi
6781 if test "$netmap" = "yes" ; then
6782   echo "CONFIG_NETMAP=y" >> $config_host_mak
6783 fi
6784 if test "$l2tpv3" = "yes" ; then
6785   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6786 fi
6787 if test "$gprof" = "yes" ; then
6788   echo "CONFIG_GPROF=y" >> $config_host_mak
6789 fi
6790 if test "$cap_ng" = "yes" ; then
6791   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6792   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6793 fi
6794 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6795 for drv in $audio_drv_list; do
6796     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6797     echo "$def=y" >> $config_host_mak
6798 done
6799 if test "$alsa" = "yes" ; then
6800     echo "CONFIG_ALSA=y" >> $config_host_mak
6801 fi
6802 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6803 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6804 if test "$libpulse" = "yes" ; then
6805     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6806 fi
6807 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6808 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6809 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6810 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6811 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6812 if test "$libjack" = "yes" ; then
6813     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6814 fi
6815 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6816 if test "$audio_win_int" = "yes" ; then
6817   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6818 fi
6819 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6820 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6821 if test "$xfs" = "yes" ; then
6822   echo "CONFIG_XFS=y" >> $config_host_mak
6823 fi
6824 qemu_version=$(head $source_path/VERSION)
6825 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6826 echo "SRC_PATH=$source_path" >> $config_host_mak
6827 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6828 if [ "$docs" = "yes" ] ; then
6829   echo "BUILD_DOCS=yes" >> $config_host_mak
6830 fi
6831 if test "$modules" = "yes"; then
6832   # $shacmd can generate a hash started with digit, which the compiler doesn't
6833   # like as an symbol. So prefix it with an underscore
6834   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6835   echo "CONFIG_MODULES=y" >> $config_host_mak
6836 fi
6837 if test "$module_upgrades" = "yes"; then
6838   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6839 fi
6840 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6841   echo "CONFIG_X11=y" >> $config_host_mak
6842   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6843   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6844 fi
6845 if test "$cocoa" = "yes" ; then
6846   echo "CONFIG_COCOA=y" >> $config_host_mak
6847 fi
6848 if test "$iconv" = "yes" ; then
6849   echo "CONFIG_ICONV=y" >> $config_host_mak
6850   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6851   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6852 fi
6853 if test "$curses" = "yes" ; then
6854   echo "CONFIG_CURSES=y" >> $config_host_mak
6855   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6856   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6857 fi
6858 if test "$pipe2" = "yes" ; then
6859   echo "CONFIG_PIPE2=y" >> $config_host_mak
6860 fi
6861 if test "$accept4" = "yes" ; then
6862   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6863 fi
6864 if test "$splice" = "yes" ; then
6865   echo "CONFIG_SPLICE=y" >> $config_host_mak
6866 fi
6867 if test "$eventfd" = "yes" ; then
6868   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6869 fi
6870 if test "$memfd" = "yes" ; then
6871   echo "CONFIG_MEMFD=y" >> $config_host_mak
6872 fi
6873 if test "$have_usbfs" = "yes" ; then
6874   echo "CONFIG_USBFS=y" >> $config_host_mak
6875 fi
6876 if test "$fallocate" = "yes" ; then
6877   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6878 fi
6879 if test "$fallocate_punch_hole" = "yes" ; then
6880   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6881 fi
6882 if test "$fallocate_zero_range" = "yes" ; then
6883   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6884 fi
6885 if test "$posix_fallocate" = "yes" ; then
6886   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6887 fi
6888 if test "$sync_file_range" = "yes" ; then
6889   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6890 fi
6891 if test "$fiemap" = "yes" ; then
6892   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6893 fi
6894 if test "$dup3" = "yes" ; then
6895   echo "CONFIG_DUP3=y" >> $config_host_mak
6896 fi
6897 if test "$ppoll" = "yes" ; then
6898   echo "CONFIG_PPOLL=y" >> $config_host_mak
6899 fi
6900 if test "$prctl_pr_set_timerslack" = "yes" ; then
6901   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6902 fi
6903 if test "$epoll" = "yes" ; then
6904   echo "CONFIG_EPOLL=y" >> $config_host_mak
6905 fi
6906 if test "$epoll_create1" = "yes" ; then
6907   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6908 fi
6909 if test "$sendfile" = "yes" ; then
6910   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6911 fi
6912 if test "$timerfd" = "yes" ; then
6913   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6914 fi
6915 if test "$setns" = "yes" ; then
6916   echo "CONFIG_SETNS=y" >> $config_host_mak
6917 fi
6918 if test "$clock_adjtime" = "yes" ; then
6919   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6920 fi
6921 if test "$syncfs" = "yes" ; then
6922   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6923 fi
6924 if test "$kcov" = "yes" ; then
6925   echo "CONFIG_KCOV=y" >> $config_host_mak
6926 fi
6927 if test "$inotify" = "yes" ; then
6928   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6929 fi
6930 if test "$inotify1" = "yes" ; then
6931   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6932 fi
6933 if test "$sem_timedwait" = "yes" ; then
6934   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6935 fi
6936 if test "$strchrnul" = "yes" ; then
6937   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6938 fi
6939 if test "$st_atim" = "yes" ; then
6940   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6941 fi
6942 if test "$byteswap_h" = "yes" ; then
6943   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6944 fi
6945 if test "$bswap_h" = "yes" ; then
6946   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6947 fi
6948 if test "$curl" = "yes" ; then
6949   echo "CONFIG_CURL=y" >> $config_host_mak
6950   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6951   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6952 fi
6953 if test "$brlapi" = "yes" ; then
6954   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6955   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6956 fi
6957 if test "$gtk" = "yes" ; then
6958   echo "CONFIG_GTK=y" >> $config_host_mak
6959   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6960   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6961   if test "$gtk_gl" = "yes" ; then
6962     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6963   fi
6964 fi
6965 if test "$gio" = "yes" ; then
6966     echo "CONFIG_GIO=y" >> $config_host_mak
6967     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6968     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6969     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6970 fi
6971 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6972 if test "$gnutls" = "yes" ; then
6973   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6974   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6975   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6976 fi
6977 if test "$gcrypt" = "yes" ; then
6978   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6979   if test "$gcrypt_hmac" = "yes" ; then
6980     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6981   fi
6982 fi
6983 if test "$nettle" = "yes" ; then
6984   echo "CONFIG_NETTLE=y" >> $config_host_mak
6985   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6986   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6987   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6988 fi
6989 if test "$qemu_private_xts" = "yes" ; then
6990   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6991 fi
6992 if test "$tasn1" = "yes" ; then
6993   echo "CONFIG_TASN1=y" >> $config_host_mak
6994 fi
6995 if test "$auth_pam" = "yes" ; then
6996     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6997 fi
6998 if test "$have_ifaddrs_h" = "yes" ; then
6999     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7000 fi
7001 if test "$have_drm_h" = "yes" ; then
7002   echo "HAVE_DRM_H=y" >> $config_host_mak
7003 fi
7004 if test "$have_broken_size_max" = "yes" ; then
7005     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7006 fi
7007 if test "$have_openpty" = "yes" ; then
7008     echo "HAVE_OPENPTY=y" >> $config_host_mak
7009 fi
7010 if test "$have_sys_signal_h" = "yes" ; then
7011     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
7012 fi
7013
7014 # Work around a system header bug with some kernel/XFS header
7015 # versions where they both try to define 'struct fsxattr':
7016 # xfs headers will not try to redefine structs from linux headers
7017 # if this macro is set.
7018 if test "$have_fsxattr" = "yes" ; then
7019     echo "HAVE_FSXATTR=y" >> $config_host_mak
7020 fi
7021 if test "$have_copy_file_range" = "yes" ; then
7022     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7023 fi
7024 if test "$vte" = "yes" ; then
7025   echo "CONFIG_VTE=y" >> $config_host_mak
7026   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7027   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7028 fi
7029 if test "$virglrenderer" = "yes" ; then
7030   echo "CONFIG_VIRGL=y" >> $config_host_mak
7031   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7032   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7033 fi
7034 if test "$xen" = "yes" ; then
7035   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7036   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7037   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7038   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7039 fi
7040 if test "$linux_aio" = "yes" ; then
7041   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7042 fi
7043 if test "$linux_io_uring" = "yes" ; then
7044   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7045   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7046   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7047 fi
7048 if test "$attr" = "yes" ; then
7049   echo "CONFIG_ATTR=y" >> $config_host_mak
7050   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7051 fi
7052 if test "$libattr" = "yes" ; then
7053   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7054 fi
7055 if test "$virtfs" = "yes" ; then
7056   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7057 fi
7058 if test "$mpath" = "yes" ; then
7059   echo "CONFIG_MPATH=y" >> $config_host_mak
7060   if test "$mpathpersist_new_api" = "yes"; then
7061     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7062   fi
7063 fi
7064 if test "$vhost_scsi" = "yes" ; then
7065   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7066 fi
7067 if test "$vhost_net" = "yes" ; then
7068   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7069 fi
7070 if test "$vhost_net_user" = "yes" ; then
7071   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7072 fi
7073 if test "$vhost_net_vdpa" = "yes" ; then
7074   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7075 fi
7076 if test "$vhost_crypto" = "yes" ; then
7077   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7078 fi
7079 if test "$vhost_vsock" = "yes" ; then
7080   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7081   if test "$vhost_user" = "yes" ; then
7082     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7083   fi
7084 fi
7085 if test "$vhost_kernel" = "yes" ; then
7086   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7087 fi
7088 if test "$vhost_user" = "yes" ; then
7089   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7090 fi
7091 if test "$vhost_vdpa" = "yes" ; then
7092   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7093 fi
7094 if test "$vhost_user_fs" = "yes" ; then
7095   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7096 fi
7097 if test "$blobs" = "yes" ; then
7098   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7099 fi
7100 if test "$iovec" = "yes" ; then
7101   echo "CONFIG_IOVEC=y" >> $config_host_mak
7102 fi
7103 if test "$preadv" = "yes" ; then
7104   echo "CONFIG_PREADV=y" >> $config_host_mak
7105 fi
7106 if test "$fdt" != "no" ; then
7107   echo "CONFIG_FDT=y" >> $config_host_mak
7108   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7109   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7110 fi
7111 if test "$membarrier" = "yes" ; then
7112   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7113 fi
7114 if test "$signalfd" = "yes" ; then
7115   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7116 fi
7117 if test "$optreset" = "yes" ; then
7118   echo "HAVE_OPTRESET=y" >> $config_host_mak
7119 fi
7120 if test "$tcg" = "yes"; then
7121   echo "CONFIG_TCG=y" >> $config_host_mak
7122   if test "$tcg_interpreter" = "yes" ; then
7123     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7124   fi
7125 fi
7126 if test "$fdatasync" = "yes" ; then
7127   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7128 fi
7129 if test "$madvise" = "yes" ; then
7130   echo "CONFIG_MADVISE=y" >> $config_host_mak
7131 fi
7132 if test "$posix_madvise" = "yes" ; then
7133   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7134 fi
7135 if test "$posix_memalign" = "yes" ; then
7136   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7137 fi
7138 if test "$zlib" != "no" ; then
7139     echo "CONFIG_ZLIB=y" >> $config_host_mak
7140     echo "ZLIB_CFLAGS=$zlib_cflags" >> $config_host_mak
7141     echo "ZLIB_LIBS=$zlib_libs" >> $config_host_mak
7142 fi
7143 if test "$spice" = "yes" ; then
7144   echo "CONFIG_SPICE=y" >> $config_host_mak
7145   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7146   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7147 fi
7148
7149 if test "$smartcard" = "yes" ; then
7150   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7151   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7152   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7153 fi
7154
7155 if test "$libusb" = "yes" ; then
7156   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7157   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7158   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7159 fi
7160
7161 if test "$usb_redir" = "yes" ; then
7162   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7163   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7164   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7165 fi
7166
7167 if test "$opengl" = "yes" ; then
7168   echo "CONFIG_OPENGL=y" >> $config_host_mak
7169   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7170   if test "$opengl_dmabuf" = "yes" ; then
7171     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7172   fi
7173 fi
7174
7175 if test "$gbm" = "yes" ; then
7176     echo "CONFIG_GBM=y" >> $config_host_mak
7177     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7178     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7179 fi
7180
7181
7182 if test "$malloc_trim" = "yes" ; then
7183   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7184 fi
7185
7186 if test "$avx2_opt" = "yes" ; then
7187   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7188 fi
7189
7190 if test "$avx512f_opt" = "yes" ; then
7191   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7192 fi
7193
7194 if test "$lzo" = "yes" ; then
7195   echo "CONFIG_LZO=y" >> $config_host_mak
7196   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7197 fi
7198
7199 if test "$snappy" = "yes" ; then
7200   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7201   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7202 fi
7203
7204 if test "$bzip2" = "yes" ; then
7205   echo "CONFIG_BZIP2=y" >> $config_host_mak
7206   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7207 fi
7208
7209 if test "$lzfse" = "yes" ; then
7210   echo "CONFIG_LZFSE=y" >> $config_host_mak
7211   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7212 fi
7213
7214 if test "$zstd" = "yes" ; then
7215   echo "CONFIG_ZSTD=y" >> $config_host_mak
7216   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7217   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7218 fi
7219
7220 if test "$libiscsi" = "yes" ; then
7221   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7222   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7223   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7224 fi
7225
7226 if test "$libnfs" = "yes" ; then
7227   echo "CONFIG_LIBNFS=y" >> $config_host_mak
7228   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7229 fi
7230
7231 if test "$seccomp" = "yes"; then
7232   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7233   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7234   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7235 fi
7236
7237 # XXX: suppress that
7238 if [ "$bsd" = "yes" ] ; then
7239   echo "CONFIG_BSD=y" >> $config_host_mak
7240 fi
7241
7242 if test "$localtime_r" = "yes" ; then
7243   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7244 fi
7245 if test "$qom_cast_debug" = "yes" ; then
7246   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7247 fi
7248 if test "$rbd" = "yes" ; then
7249   echo "CONFIG_RBD=y" >> $config_host_mak
7250   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7251 fi
7252
7253 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7254 if test "$coroutine_pool" = "yes" ; then
7255   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7256 else
7257   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7258 fi
7259
7260 if test "$debug_stack_usage" = "yes" ; then
7261   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7262 fi
7263
7264 if test "$crypto_afalg" = "yes" ; then
7265   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7266 fi
7267
7268 if test "$open_by_handle_at" = "yes" ; then
7269   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7270 fi
7271
7272 if test "$linux_magic_h" = "yes" ; then
7273   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7274 fi
7275
7276 if test "$valgrind_h" = "yes" ; then
7277   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7278 fi
7279
7280 if test "$have_asan_iface_fiber" = "yes" ; then
7281     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7282 fi
7283
7284 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7285     echo "CONFIG_TSAN=y" >> $config_host_mak
7286 fi
7287
7288 if test "$has_environ" = "yes" ; then
7289   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7290 fi
7291
7292 if test "$cpuid_h" = "yes" ; then
7293   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7294 fi
7295
7296 if test "$int128" = "yes" ; then
7297   echo "CONFIG_INT128=y" >> $config_host_mak
7298 fi
7299
7300 if test "$atomic128" = "yes" ; then
7301   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7302 fi
7303
7304 if test "$cmpxchg128" = "yes" ; then
7305   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7306 fi
7307
7308 if test "$atomic64" = "yes" ; then
7309   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7310 fi
7311
7312 if test "$attralias" = "yes" ; then
7313   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7314 fi
7315
7316 if test "$getauxval" = "yes" ; then
7317   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7318 fi
7319
7320 if test "$glusterfs" = "yes" ; then
7321   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7322   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7323   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7324 fi
7325
7326 if test "$glusterfs_xlator_opt" = "yes" ; then
7327   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7328 fi
7329
7330 if test "$glusterfs_discard" = "yes" ; then
7331   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7332 fi
7333
7334 if test "$glusterfs_fallocate" = "yes" ; then
7335   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7336 fi
7337
7338 if test "$glusterfs_zerofill" = "yes" ; then
7339   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7340 fi
7341
7342 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7343   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7344 fi
7345
7346 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7347   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7348 fi
7349
7350 if test "$libssh" = "yes" ; then
7351   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7352   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7353   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7354 fi
7355
7356 if test "$live_block_migration" = "yes" ; then
7357   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7358 fi
7359
7360 if test "$tpm" = "yes"; then
7361   echo 'CONFIG_TPM=y' >> $config_host_mak
7362 fi
7363
7364 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7365 if have_backend "nop"; then
7366   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7367 fi
7368 if have_backend "simple"; then
7369   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7370   # Set the appropriate trace file.
7371   trace_file="\"$trace_file-\" FMT_pid"
7372 fi
7373 if have_backend "log"; then
7374   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7375 fi
7376 if have_backend "ust"; then
7377   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7378   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7379   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7380 fi
7381 if have_backend "dtrace"; then
7382   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7383   if test "$trace_backend_stap" = "yes" ; then
7384     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7385   fi
7386 fi
7387 if have_backend "ftrace"; then
7388   if test "$linux" = "yes" ; then
7389     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7390   else
7391     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7392   fi
7393 fi
7394 if have_backend "syslog"; then
7395   if test "$posix_syslog" = "yes" ; then
7396     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7397   else
7398     feature_not_found "syslog(trace backend)" "syslog not available"
7399   fi
7400 fi
7401 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7402
7403 if test "$rdma" = "yes" ; then
7404   echo "CONFIG_RDMA=y" >> $config_host_mak
7405   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7406 fi
7407
7408 if test "$pvrdma" = "yes" ; then
7409   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7410 fi
7411
7412 if test "$have_rtnetlink" = "yes" ; then
7413   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7414 fi
7415
7416 if test "$libxml2" = "yes" ; then
7417   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7418   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7419   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7420 fi
7421
7422 if test "$replication" = "yes" ; then
7423   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7424 fi
7425
7426 if test "$have_af_vsock" = "yes" ; then
7427   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7428 fi
7429
7430 if test "$have_sysmacros" = "yes" ; then
7431   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7432 fi
7433
7434 if test "$have_static_assert" = "yes" ; then
7435   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7436 fi
7437
7438 if test "$have_utmpx" = "yes" ; then
7439   echo "HAVE_UTMPX=y" >> $config_host_mak
7440 fi
7441 if test "$have_getrandom" = "yes" ; then
7442   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7443 fi
7444 if test "$ivshmem" = "yes" ; then
7445   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7446 fi
7447 if test "$capstone" != "no" ; then
7448   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7449   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7450   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7451 fi
7452 if test "$debug_mutex" = "yes" ; then
7453   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7454 fi
7455
7456 # Hold two types of flag:
7457 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7458 #                                     a thread we have a handle to
7459 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7460 #                                     platform
7461 if test "$pthread_setname_np_w_tid" = "yes" ; then
7462   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7463   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7464 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7465   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7466   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7467 fi
7468
7469 if test "$libpmem" = "yes" ; then
7470   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7471   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7472   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7473 fi
7474
7475 if test "$libdaxctl" = "yes" ; then
7476   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7477   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7478 fi
7479
7480 if test "$bochs" = "yes" ; then
7481   echo "CONFIG_BOCHS=y" >> $config_host_mak
7482 fi
7483 if test "$cloop" = "yes" ; then
7484   echo "CONFIG_CLOOP=y" >> $config_host_mak
7485 fi
7486 if test "$dmg" = "yes" ; then
7487   echo "CONFIG_DMG=y" >> $config_host_mak
7488 fi
7489 if test "$qcow1" = "yes" ; then
7490   echo "CONFIG_QCOW1=y" >> $config_host_mak
7491 fi
7492 if test "$vdi" = "yes" ; then
7493   echo "CONFIG_VDI=y" >> $config_host_mak
7494 fi
7495 if test "$vvfat" = "yes" ; then
7496   echo "CONFIG_VVFAT=y" >> $config_host_mak
7497 fi
7498 if test "$qed" = "yes" ; then
7499   echo "CONFIG_QED=y" >> $config_host_mak
7500 fi
7501 if test "$parallels" = "yes" ; then
7502   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7503 fi
7504 if test "$sheepdog" = "yes" ; then
7505   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7506 fi
7507 if test "$pty_h" = "yes" ; then
7508   echo "HAVE_PTY_H=y" >> $config_host_mak
7509 fi
7510 if test "$have_mlockall" = "yes" ; then
7511   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7512 fi
7513 if test "$fuzzing" = "yes" ; then
7514   QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7515 fi
7516
7517 if test "$plugins" = "yes" ; then
7518     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7519     LIBS="-ldl $LIBS"
7520     # Copy the export object list to the build dir
7521     if test "$ld_dynamic_list" = "yes" ; then
7522         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7523         ld_symbols=qemu-plugins-ld.symbols
7524         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7525     elif test "$ld_exported_symbols_list" = "yes" ; then
7526         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7527         ld64_symbols=qemu-plugins-ld64.symbols
7528         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7529         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7530             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7531     else
7532         error_exit \
7533             "If \$plugins=yes, either \$ld_dynamic_list or " \
7534             "\$ld_exported_symbols_list should have been set to 'yes'."
7535     fi
7536 fi
7537
7538 if test -n "$gdb_bin" ; then
7539     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7540 fi
7541
7542 if test "$secret_keyring" = "yes" ; then
7543   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7544   if test "$have_keyutils" = "yes" ; then
7545     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7546   fi
7547 fi
7548
7549 if test "$tcg_interpreter" = "yes"; then
7550   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7551 elif test "$ARCH" = "sparc64" ; then
7552   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7553 elif test "$ARCH" = "s390x" ; then
7554   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7555 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7556   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7557 elif test "$ARCH" = "ppc64" ; then
7558   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7559 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7560   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7561 else
7562   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7563 fi
7564
7565 echo "ROMS=$roms" >> $config_host_mak
7566 echo "MAKE=$make" >> $config_host_mak
7567 echo "INSTALL=$install" >> $config_host_mak
7568 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7569 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7570 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7571 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7572 echo "PYTHON=$python" >> $config_host_mak
7573 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7574 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7575 echo "MESON=$meson" >> $config_host_mak
7576 echo "CC=$cc" >> $config_host_mak
7577 if $iasl -h > /dev/null 2>&1; then
7578   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7579 fi
7580 echo "CXX=$cxx" >> $config_host_mak
7581 echo "OBJCC=$objcc" >> $config_host_mak
7582 echo "AR=$ar" >> $config_host_mak
7583 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7584 echo "AS=$as" >> $config_host_mak
7585 echo "CCAS=$ccas" >> $config_host_mak
7586 echo "CPP=$cpp" >> $config_host_mak
7587 echo "OBJCOPY=$objcopy" >> $config_host_mak
7588 echo "LD=$ld" >> $config_host_mak
7589 echo "RANLIB=$ranlib" >> $config_host_mak
7590 echo "NM=$nm" >> $config_host_mak
7591 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7592 echo "WINDRES=$windres" >> $config_host_mak
7593 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7594 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7595 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7596 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7597 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7598 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7599 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7600 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7601 if test "$sparse" = "yes" ; then
7602   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7603 fi
7604 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7605 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7606 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7607 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7608 echo "LIBS+=$LIBS" >> $config_host_mak
7609 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7610 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7611 echo "EXESUF=$EXESUF" >> $config_host_mak
7612 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7613 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7614 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7615 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7616 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7617 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7618 if test "$gcov" = "yes" ; then
7619   echo "CONFIG_GCOV=y" >> $config_host_mak
7620 fi
7621
7622 if test "$libudev" != "no"; then
7623     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7624     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7625 fi
7626 if test "$fuzzing" != "no"; then
7627     echo "CONFIG_FUZZ=y" >> $config_host_mak
7628 fi
7629
7630 if test "$edk2_blobs" = "yes" ; then
7631   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7632 fi
7633
7634 if test "$rng_none" = "yes"; then
7635   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7636 fi
7637
7638 # use included Linux headers
7639 if test "$linux" = "yes" ; then
7640   mkdir -p linux-headers
7641   case "$cpu" in
7642   i386|x86_64|x32)
7643     linux_arch=x86
7644     ;;
7645   ppc|ppc64|ppc64le)
7646     linux_arch=powerpc
7647     ;;
7648   s390x)
7649     linux_arch=s390
7650     ;;
7651   aarch64)
7652     linux_arch=arm64
7653     ;;
7654   mips64)
7655     linux_arch=mips
7656     ;;
7657   *)
7658     # For most CPUs the kernel architecture name and QEMU CPU name match.
7659     linux_arch="$cpu"
7660     ;;
7661   esac
7662     # For non-KVM architectures we will not have asm headers
7663     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7664       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7665     fi
7666 fi
7667
7668 for target in $target_list; do
7669 target_dir="$target"
7670 config_target_mak=$target_dir/config-target.mak
7671 target_name=$(echo $target | cut -d '-' -f 1)
7672 target_aligned_only="no"
7673 case "$target_name" in
7674   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7675   target_aligned_only="yes"
7676   ;;
7677 esac
7678 target_bigendian="no"
7679 case "$target_name" in
7680   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7681   target_bigendian="yes"
7682   ;;
7683 esac
7684 target_softmmu="no"
7685 target_user_only="no"
7686 target_linux_user="no"
7687 target_bsd_user="no"
7688 case "$target" in
7689   ${target_name}-softmmu)
7690     target_softmmu="yes"
7691     ;;
7692   ${target_name}-linux-user)
7693     target_user_only="yes"
7694     target_linux_user="yes"
7695     ;;
7696   ${target_name}-bsd-user)
7697     target_user_only="yes"
7698     target_bsd_user="yes"
7699     ;;
7700   *)
7701     error_exit "Target '$target' not recognised"
7702     exit 1
7703     ;;
7704 esac
7705
7706 mkdir -p $target_dir
7707 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7708
7709 bflt="no"
7710 mttcg="no"
7711 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7712 gdb_xml_files=""
7713
7714 TARGET_ARCH="$target_name"
7715 TARGET_BASE_ARCH=""
7716 TARGET_ABI_DIR=""
7717 TARGET_SYSTBL_ABI=""
7718 TARGET_SYSTBL=""
7719
7720 case "$target_name" in
7721   i386)
7722     mttcg="yes"
7723         gdb_xml_files="i386-32bit.xml"
7724     TARGET_SYSTBL_ABI=i386
7725     TARGET_SYSTBL=syscall_32.tbl
7726   ;;
7727   x86_64)
7728     TARGET_BASE_ARCH=i386
7729     TARGET_SYSTBL_ABI=common,64
7730     TARGET_SYSTBL=syscall_64.tbl
7731     mttcg="yes"
7732     gdb_xml_files="i386-64bit.xml"
7733   ;;
7734   alpha)
7735     mttcg="yes"
7736     TARGET_SYSTBL_ABI=common
7737   ;;
7738   arm|armeb)
7739     TARGET_ARCH=arm
7740     TARGET_SYSTBL_ABI=common,oabi
7741     bflt="yes"
7742     mttcg="yes"
7743     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7744   ;;
7745   aarch64|aarch64_be)
7746     TARGET_ARCH=aarch64
7747     TARGET_BASE_ARCH=arm
7748     bflt="yes"
7749     mttcg="yes"
7750     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"
7751   ;;
7752   avr)
7753     gdb_xml_files="avr-cpu.xml"
7754     target_compiler=$cross_cc_avr
7755   ;;
7756   cris)
7757   ;;
7758   hppa)
7759     mttcg="yes"
7760     TARGET_SYSTBL_ABI=common,32
7761   ;;
7762   lm32)
7763   ;;
7764   m68k)
7765     bflt="yes"
7766     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7767     TARGET_SYSTBL_ABI=common
7768   ;;
7769   microblaze|microblazeel)
7770     TARGET_ARCH=microblaze
7771     TARGET_SYSTBL_ABI=common
7772     mttcg="yes"
7773     bflt="yes"
7774     echo "TARGET_ABI32=y" >> $config_target_mak
7775   ;;
7776   mips|mipsel)
7777     mttcg="yes"
7778     TARGET_ARCH=mips
7779     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7780     TARGET_SYSTBL_ABI=o32
7781     TARGET_SYSTBL=syscall_o32.tbl
7782   ;;
7783   mipsn32|mipsn32el)
7784     mttcg="yes"
7785     TARGET_ARCH=mips64
7786     TARGET_BASE_ARCH=mips
7787     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7788     echo "TARGET_ABI32=y" >> $config_target_mak
7789     TARGET_SYSTBL_ABI=n32
7790     TARGET_SYSTBL=syscall_n32.tbl
7791   ;;
7792   mips64|mips64el)
7793     mttcg="no"
7794     TARGET_ARCH=mips64
7795     TARGET_BASE_ARCH=mips
7796     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7797     TARGET_SYSTBL_ABI=n64
7798     TARGET_SYSTBL=syscall_n64.tbl
7799   ;;
7800   moxie)
7801   ;;
7802   nios2)
7803   ;;
7804   or1k)
7805     TARGET_ARCH=openrisc
7806     TARGET_BASE_ARCH=openrisc
7807   ;;
7808   ppc)
7809     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7810     TARGET_SYSTBL_ABI=common,nospu,32
7811   ;;
7812   ppc64)
7813     TARGET_BASE_ARCH=ppc
7814     TARGET_ABI_DIR=ppc
7815     TARGET_SYSTBL_ABI=common,nospu,64
7816     mttcg=yes
7817     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7818   ;;
7819   ppc64le)
7820     TARGET_ARCH=ppc64
7821     TARGET_BASE_ARCH=ppc
7822     TARGET_ABI_DIR=ppc
7823     TARGET_SYSTBL_ABI=common,nospu,64
7824     mttcg=yes
7825     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7826   ;;
7827   ppc64abi32)
7828     TARGET_ARCH=ppc64
7829     TARGET_BASE_ARCH=ppc
7830     TARGET_ABI_DIR=ppc
7831     TARGET_SYSTBL_ABI=common,nospu,32
7832     echo "TARGET_ABI32=y" >> $config_target_mak
7833     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7834   ;;
7835   riscv32)
7836     TARGET_BASE_ARCH=riscv
7837     TARGET_ABI_DIR=riscv
7838     mttcg=yes
7839     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7840   ;;
7841   riscv64)
7842     TARGET_BASE_ARCH=riscv
7843     TARGET_ABI_DIR=riscv
7844     mttcg=yes
7845     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7846   ;;
7847   rx)
7848     TARGET_ARCH=rx
7849     bflt="yes"
7850     target_compiler=$cross_cc_rx
7851     gdb_xml_files="rx-core.xml"
7852   ;;
7853   sh4|sh4eb)
7854     TARGET_ARCH=sh4
7855     TARGET_SYSTBL_ABI=common
7856     bflt="yes"
7857   ;;
7858   sparc)
7859     TARGET_SYSTBL_ABI=common,32
7860   ;;
7861   sparc64)
7862     TARGET_BASE_ARCH=sparc
7863     TARGET_SYSTBL_ABI=common,64
7864   ;;
7865   sparc32plus)
7866     TARGET_ARCH=sparc64
7867     TARGET_BASE_ARCH=sparc
7868     TARGET_ABI_DIR=sparc
7869     TARGET_SYSTBL_ABI=common,32
7870     echo "TARGET_ABI32=y" >> $config_target_mak
7871   ;;
7872   s390x)
7873     TARGET_SYSTBL_ABI=common,64
7874     mttcg=yes
7875     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7876   ;;
7877   tilegx)
7878   ;;
7879   tricore)
7880   ;;
7881   unicore32)
7882   ;;
7883   xtensa|xtensaeb)
7884     TARGET_ARCH=xtensa
7885     TARGET_SYSTBL_ABI=common
7886     bflt="yes"
7887     mttcg="yes"
7888   ;;
7889   *)
7890     error_exit "Unsupported target CPU"
7891   ;;
7892 esac
7893 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7894 if [ "$TARGET_BASE_ARCH" = "" ]; then
7895   TARGET_BASE_ARCH=$TARGET_ARCH
7896 fi
7897 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7898   TARGET_SYSTBL=syscall.tbl
7899 fi
7900
7901 upper() {
7902     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7903 }
7904
7905 target_arch_name="$(upper $TARGET_ARCH)"
7906 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7907 echo "TARGET_NAME=$target_name" >> $config_target_mak
7908 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7909 if [ "$TARGET_ABI_DIR" = "" ]; then
7910   TARGET_ABI_DIR=$TARGET_ARCH
7911 fi
7912 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7913 if [ "$HOST_VARIANT_DIR" != "" ]; then
7914     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7915 fi
7916 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7917     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7918     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7919 fi
7920
7921 if supported_xen_target $target; then
7922     echo "CONFIG_XEN=y" >> $config_target_mak
7923     if test "$xen_pci_passthrough" = yes; then
7924         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7925     fi
7926 fi
7927 if supported_kvm_target $target; then
7928     echo "CONFIG_KVM=y" >> $config_target_mak
7929 fi
7930 if supported_hax_target $target; then
7931     echo "CONFIG_HAX=y" >> $config_target_mak
7932 fi
7933 if supported_hvf_target $target; then
7934     echo "CONFIG_HVF=y" >> $config_target_mak
7935 fi
7936 if supported_whpx_target $target; then
7937     echo "CONFIG_WHPX=y" >> $config_target_mak
7938 fi
7939 if test "$target_aligned_only" = "yes" ; then
7940   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7941 fi
7942 if test "$target_bigendian" = "yes" ; then
7943   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7944 fi
7945 if test "$target_softmmu" = "yes" ; then
7946   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7947   if test "$mttcg" = "yes" ; then
7948     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7949   fi
7950 fi
7951 if test "$target_user_only" = "yes" ; then
7952   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7953   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7954   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7955 else
7956   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7957 fi
7958 if test "$target_linux_user" = "yes" ; then
7959   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7960 fi
7961 list=""
7962 if test ! -z "$gdb_xml_files" ; then
7963   for x in $gdb_xml_files; do
7964     list="$list gdb-xml/$x"
7965   done
7966   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7967 fi
7968
7969 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7970   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7971 fi
7972 if test "$target_bsd_user" = "yes" ; then
7973   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7974 fi
7975
7976
7977 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7978
7979 disas_config() {
7980   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7981   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7982 }
7983
7984 for i in $ARCH $TARGET_BASE_ARCH ; do
7985   case "$i" in
7986   alpha)
7987     disas_config "ALPHA"
7988   ;;
7989   aarch64)
7990     if test -n "${cxx}"; then
7991       disas_config "ARM_A64"
7992     fi
7993   ;;
7994   arm)
7995     disas_config "ARM"
7996     if test -n "${cxx}"; then
7997       disas_config "ARM_A64"
7998     fi
7999   ;;
8000   avr)
8001     disas_config "AVR"
8002   ;;
8003   cris)
8004     disas_config "CRIS"
8005   ;;
8006   hppa)
8007     disas_config "HPPA"
8008   ;;
8009   i386|x86_64|x32)
8010     disas_config "I386"
8011   ;;
8012   lm32)
8013     disas_config "LM32"
8014   ;;
8015   m68k)
8016     disas_config "M68K"
8017   ;;
8018   microblaze*)
8019     disas_config "MICROBLAZE"
8020   ;;
8021   mips*)
8022     disas_config "MIPS"
8023     if test -n "${cxx}"; then
8024       disas_config "NANOMIPS"
8025     fi
8026   ;;
8027   moxie*)
8028     disas_config "MOXIE"
8029   ;;
8030   nios2)
8031     disas_config "NIOS2"
8032   ;;
8033   or1k)
8034     disas_config "OPENRISC"
8035   ;;
8036   ppc*)
8037     disas_config "PPC"
8038   ;;
8039   riscv*)
8040     disas_config "RISCV"
8041   ;;
8042   rx)
8043     disas_config "RX"
8044   ;;
8045   s390*)
8046     disas_config "S390"
8047   ;;
8048   sh4)
8049     disas_config "SH4"
8050   ;;
8051   sparc*)
8052     disas_config "SPARC"
8053   ;;
8054   xtensa*)
8055     disas_config "XTENSA"
8056   ;;
8057   esac
8058 done
8059 if test "$tcg_interpreter" = "yes" ; then
8060   disas_config "TCI"
8061 fi
8062
8063 done # for target in $targets
8064
8065 if [ "$fdt" = "git" ]; then
8066   subdirs="$subdirs dtc"
8067 fi
8068 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8069   subdirs="$subdirs capstone"
8070 fi
8071 echo "SUBDIRS=$subdirs" >> $config_host_mak
8072 if test -n "$LIBCAPSTONE"; then
8073   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8074 fi
8075
8076 if test "$numa" = "yes"; then
8077   echo "CONFIG_NUMA=y" >> $config_host_mak
8078   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8079 fi
8080
8081 if test "$ccache_cpp2" = "yes"; then
8082   echo "export CCACHE_CPP2=y" >> $config_host_mak
8083 fi
8084
8085 if test "$safe_stack" = "yes"; then
8086   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8087 fi
8088
8089 # If we're using a separate build tree, set it up now.
8090 # DIRS are directories which we simply mkdir in the build tree;
8091 # LINKS are things to symlink back into the source tree
8092 # (these can be both files and directories).
8093 # Caution: do not add files or directories here using wildcards. This
8094 # will result in problems later if a new file matching the wildcard is
8095 # added to the source tree -- nothing will cause configure to be rerun
8096 # so the build tree will be missing the link back to the new file, and
8097 # tests might fail. Prefer to keep the relevant files in their own
8098 # directory and symlink the directory instead.
8099 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8100 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8101 DIRS="$DIRS docs docs/interop fsdev scsi"
8102 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8103 DIRS="$DIRS roms/seabios"
8104 LINKS="Makefile"
8105 LINKS="$LINKS tests/tcg/lm32/Makefile"
8106 LINKS="$LINKS tests/tcg/Makefile.target"
8107 LINKS="$LINKS pc-bios/optionrom/Makefile"
8108 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8109 LINKS="$LINKS roms/seabios/Makefile"
8110 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8111 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8112 LINKS="$LINKS tests/acceptance tests/data"
8113 LINKS="$LINKS tests/qemu-iotests/check"
8114 LINKS="$LINKS python"
8115 for bios_file in \
8116     $source_path/pc-bios/*.bin \
8117     $source_path/pc-bios/*.elf \
8118     $source_path/pc-bios/*.lid \
8119     $source_path/pc-bios/*.rom \
8120     $source_path/pc-bios/*.dtb \
8121     $source_path/pc-bios/*.img \
8122     $source_path/pc-bios/openbios-* \
8123     $source_path/pc-bios/u-boot.* \
8124     $source_path/pc-bios/edk2-*.fd.bz2 \
8125     $source_path/pc-bios/palcode-*
8126 do
8127     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8128 done
8129 mkdir -p $DIRS
8130 for f in $LINKS ; do
8131     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8132         symlink "$source_path/$f" "$f"
8133     fi
8134 done
8135
8136 (for i in $cross_cc_vars; do
8137   export $i
8138 done
8139 export target_list source_path use_containers
8140 $source_path/tests/tcg/configure.sh)
8141
8142 # temporary config to build submodules
8143 for rom in seabios; do
8144     config_mak=roms/$rom/config.mak
8145     echo "# Automatically generated by configure - do not modify" > $config_mak
8146     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8147     echo "AS=$as" >> $config_mak
8148     echo "CCAS=$ccas" >> $config_mak
8149     echo "CC=$cc" >> $config_mak
8150     echo "BCC=bcc" >> $config_mak
8151     echo "CPP=$cpp" >> $config_mak
8152     echo "OBJCOPY=objcopy" >> $config_mak
8153     echo "IASL=$iasl" >> $config_mak
8154     echo "LD=$ld" >> $config_mak
8155     echo "RANLIB=$ranlib" >> $config_mak
8156 done
8157
8158 # set up qemu-iotests in this build directory
8159 iotests_common_env="tests/qemu-iotests/common.env"
8160
8161 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8162 echo >> "$iotests_common_env"
8163 echo "export PYTHON='$python'" >> "$iotests_common_env"
8164
8165 if test "$skip_meson" = no; then
8166 cross="config-meson.cross.new"
8167 meson_quote() {
8168     echo "['$(echo $* | sed "s/ /','/g")']"
8169 }
8170
8171 echo "# Automatically generated by configure - do not modify" > $cross
8172 echo "[properties]" >> $cross
8173 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8174 echo "[binaries]" >> $cross
8175 echo "c = $(meson_quote $cc)" >> $cross
8176 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8177 echo "ar = $(meson_quote $ar)" >> $cross
8178 echo "nm = $(meson_quote $nm)" >> $cross
8179 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8180 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8181 echo "strip = $(meson_quote $strip)" >> $cross
8182 echo "windres = $(meson_quote $windres)" >> $cross
8183 if test -n "$cross_prefix"; then
8184     cross_arg="--cross-file config-meson.cross"
8185     # Hack: Meson expects an absolute path for the *build* machine
8186     # for the prefix, so add a slash in front of a Windows path that
8187     # includes a drive letter.
8188     #
8189     # See https://github.com/mesonbuild/meson/issues/7577.
8190     echo "[host_machine]" >> $cross
8191     if test "$mingw32" = "yes" ; then
8192         echo "system = 'windows'" >> $cross
8193         case $prefix in
8194             ?:*) pre_prefix=/ ;;
8195         esac
8196     fi
8197     case "$ARCH" in
8198         i386|x86_64)
8199             echo "cpu_family = 'x86'" >> $cross
8200             ;;
8201         ppc64le)
8202             echo "cpu_family = 'ppc64'" >> $cross
8203             ;;
8204         *)
8205             echo "cpu_family = '$ARCH'" >> $cross
8206             ;;
8207     esac
8208     echo "cpu = '$cpu'" >> $cross
8209     if test "$bigendian" = "yes" ; then
8210         echo "endian = 'big'" >> $cross
8211     else
8212         echo "endian = 'little'" >> $cross
8213     fi
8214 else
8215     cross_arg="--native-file config-meson.cross"
8216 fi
8217 mv $cross config-meson.cross
8218
8219 rm -rf meson-private meson-info meson-logs
8220 NINJA=${ninja:-$PWD/ninjatool} $meson setup \
8221         --prefix "${pre_prefix}$prefix" \
8222         --libdir "${pre_prefix}$libdir" \
8223         --libexecdir "${pre_prefix}$libexecdir" \
8224         --bindir "${pre_prefix}$bindir" \
8225         --includedir "${pre_prefix}$includedir" \
8226         --datadir "${pre_prefix}$datadir" \
8227         --mandir "${pre_prefix}$mandir" \
8228         --sysconfdir "${pre_prefix}$sysconfdir" \
8229         --localstatedir "${pre_prefix}$local_statedir" \
8230         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8231         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8232         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8233         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8234         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8235         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8236         -Dsdl=$sdl -Dsdl_image=$sdl_image \
8237         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
8238         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
8239         $cross_arg \
8240         "$PWD" "$source_path"
8241
8242 if test "$?" -ne 0 ; then
8243     error_exit "meson setup failed"
8244 fi
8245 touch ninjatool.stamp
8246 fi
8247
8248 # Save the configure command line for later reuse.
8249 cat <<EOD >config.status
8250 #!/bin/sh
8251 # Generated by configure.
8252 # Run this file to recreate the current configuration.
8253 # Compiler output produced by configure, useful for debugging
8254 # configure, is in config.log if it exists.
8255 EOD
8256
8257 preserve_env() {
8258     envname=$1
8259
8260     eval envval=\$$envname
8261
8262     if test -n "$envval"
8263     then
8264         echo "$envname='$envval'" >> config.status
8265         echo "export $envname" >> config.status
8266     else
8267         echo "unset $envname" >> config.status
8268     fi
8269 }
8270
8271 # Preserve various env variables that influence what
8272 # features/build target configure will detect
8273 preserve_env AR
8274 preserve_env AS
8275 preserve_env CC
8276 preserve_env CPP
8277 preserve_env CXX
8278 preserve_env INSTALL
8279 preserve_env LD
8280 preserve_env LD_LIBRARY_PATH
8281 preserve_env LIBTOOL
8282 preserve_env MAKE
8283 preserve_env NM
8284 preserve_env OBJCOPY
8285 preserve_env PATH
8286 preserve_env PKG_CONFIG
8287 preserve_env PKG_CONFIG_LIBDIR
8288 preserve_env PKG_CONFIG_PATH
8289 preserve_env PYTHON
8290 preserve_env SDL2_CONFIG
8291 preserve_env SMBD
8292 preserve_env STRIP
8293 preserve_env WINDRES
8294
8295 printf "exec" >>config.status
8296 for i in "$0" "$@"; do
8297   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8298 done
8299 echo ' "$@"' >>config.status
8300 chmod +x config.status
8301
8302 rm -r "$TMPDIR1"