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 qemu_suffix="qemu"
 477 slirp=""
 478 oss_lib=""
 479 bsd="no"
 480 linux="no"
 481 solaris="no"
 482 profiler="no"
 483 cocoa="no"
 484 softmmu="yes"
 485 linux_user="no"
 486 bsd_user="no"
 487 blobs="yes"
 488 edk2_blobs="no"
 489 pkgversion=""
 490 pie=""
 491 qom_cast_debug="yes"
 492 trace_backends="log"
 493 trace_file="trace"
 494 spice=""
 495 rbd=""
 496 smartcard=""
 497 u2f="auto"
 498 libusb=""
 499 usb_redir=""
 500 opengl=""
 501 opengl_dmabuf="no"
 502 cpuid_h="no"
 503 avx2_opt=""
 504 capstone=""
 505 lzo=""
 506 snappy=""
 507 bzip2=""
 508 lzfse=""
 509 zstd=""
 510 guest_agent=""
 511 guest_agent_with_vss="no"
 512 guest_agent_ntddscsi="no"
 513 guest_agent_msi=""
 514 vss_win32_sdk=""
 515 win_sdk="no"
 516 want_tools=""
 517 libiscsi=""
 518 libnfs=""
 519 coroutine=""
 520 coroutine_pool=""
 521 debug_stack_usage="no"
 522 crypto_afalg="no"
 523 seccomp=""
 524 glusterfs=""
 525 glusterfs_xlator_opt="no"
 526 glusterfs_discard="no"
 527 glusterfs_fallocate="no"
 528 glusterfs_zerofill="no"
 529 glusterfs_ftruncate_has_stat="no"
 530 glusterfs_iocb_has_stat="no"
 531 gtk=""
 532 gtk_gl="no"
 533 tls_priority="NORMAL"
 534 gnutls=""
 535 nettle=""
 536 nettle_xts="no"
 537 gcrypt=""
 538 gcrypt_hmac="no"
 539 gcrypt_xts="no"
 540 qemu_private_xts="yes"
 541 auth_pam=""
 542 vte=""
 543 virglrenderer=""
 544 tpm=""
 545 libssh=""
 546 live_block_migration="yes"
 547 numa=""
 548 tcmalloc="no"
 549 jemalloc="no"
 550 replication="yes"
 551 bochs="yes"
 552 cloop="yes"
 553 dmg="yes"
 554 qcow1="yes"
 555 vdi="yes"
 556 vvfat="yes"
 557 qed="yes"
 558 parallels="yes"
 559 sheepdog="yes"
 560 libxml2=""
 561 debug_mutex="no"
 562 libpmem=""
 563 default_devices="yes"
 564 plugins="no"
 565 fuzzing="no"
 566 rng_none="no"
 567 secret_keyring=""
 568 libdaxctl=""
 569 meson=""
 570 ninja=""
 571 skip_meson=no
 572 gettext=""
 573
 574 bogus_os="no"
 575 malloc_trim=""
 576
 577 # parse CC options first
 578 for opt do
 579   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 580   case "$opt" in
 581   --cross-prefix=*) cross_prefix="$optarg"
 582   ;;
 583   --cc=*) CC="$optarg"
 584   ;;
 585   --cxx=*) CXX="$optarg"
 586   ;;
 587   --cpu=*) cpu="$optarg"
 588   ;;
 589   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 590                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 591   ;;
 592   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 593   ;;
 594   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 595                      EXTRA_LDFLAGS="$optarg"
 596   ;;
 597   --enable-debug-info) debug_info="yes"
 598   ;;
 599   --disable-debug-info) debug_info="no"
 600   ;;
 601   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 602   ;;
 603   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 604                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 605                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 606   ;;
 607   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 608                 cc_archs="$cc_archs $cc_arch"
 609                 eval "cross_cc_${cc_arch}=\$optarg"
 610                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 611   ;;
 612   esac
 613 done
 614 # OS specific
 615 # Using uname is really, really broken.  Once we have the right set of checks
 616 # we can eliminate its usage altogether.
 617
 618 # Preferred compiler:
 619 #  ${CC} (if set)
 620 #  ${cross_prefix}gcc (if cross-prefix specified)
 621 #  system compiler
 622 if test -z "${CC}${cross_prefix}"; then
 623   cc="$host_cc"
 624 else
 625   cc="${CC-${cross_prefix}gcc}"
 626 fi
 627
 628 if test -z "${CXX}${cross_prefix}"; then
 629   cxx="c++"
 630 else
 631   cxx="${CXX-${cross_prefix}g++}"
 632 fi
 633
 634 ar="${AR-${cross_prefix}ar}"
 635 as="${AS-${cross_prefix}as}"
 636 ccas="${CCAS-$cc}"
 637 cpp="${CPP-$cc -E}"
 638 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 639 ld="${LD-${cross_prefix}ld}"
 640 ranlib="${RANLIB-${cross_prefix}ranlib}"
 641 nm="${NM-${cross_prefix}nm}"
 642 strip="${STRIP-${cross_prefix}strip}"
 643 windres="${WINDRES-${cross_prefix}windres}"
 644 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 645 query_pkg_config() {
 646     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 647 }
 648 pkg_config=query_pkg_config
 649 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 650
 651 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 652 ARFLAGS="${ARFLAGS-rv}"
 653
 654 # default flags for all hosts
 655 # We use -fwrapv to tell the compiler that we require a C dialect where
 656 # left shift of signed integers is well defined and has the expected
 657 # 2s-complement style results. (Both clang and gcc agree that it
 658 # provides these semantics.)
 659 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 660 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 661 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 662 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 663 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 664 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 665 CFLAGS="-std=gnu99 -Wall"
 666
 667
 668 # running configure in the source tree?
 669 # we know that's the case if configure is there.
 670 if test -f "./configure"; then
 671     pwd_is_source_path="y"
 672 else
 673     pwd_is_source_path="n"
 674 fi
 675
 676 check_define() {
 677 cat > $TMPC <<EOF
 678 #if !defined($1)
 679 #error $1 not defined
 680 #endif
 681 int main(void) { return 0; }
 682 EOF
 683   compile_object
 684 }
 685
 686 check_include() {
 687 cat > $TMPC <<EOF
 688 #include <$1>
 689 int main(void) { return 0; }
 690 EOF
 691   compile_object
 692 }
 693
 694 write_c_skeleton() {
 695     cat > $TMPC <<EOF
 696 int main(void) { return 0; }
 697 EOF
 698 }
 699
 700 write_c_fuzzer_skeleton() {
 701     cat > $TMPC <<EOF
 702 #include <stdint.h>
 703 #include <sys/types.h>
 704 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 705 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 706 EOF
 707 }
 708
 709 if check_define __linux__ ; then
 710   targetos="Linux"
 711 elif check_define _WIN32 ; then
 712   targetos='MINGW32'
 713 elif check_define __OpenBSD__ ; then
 714   targetos='OpenBSD'
 715 elif check_define __sun__ ; then
 716   targetos='SunOS'
 717 elif check_define __HAIKU__ ; then
 718   targetos='Haiku'
 719 elif check_define __FreeBSD__ ; then
 720   targetos='FreeBSD'
 721 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 722   targetos='GNU/kFreeBSD'
 723 elif check_define __DragonFly__ ; then
 724   targetos='DragonFly'
 725 elif check_define __NetBSD__; then
 726   targetos='NetBSD'
 727 elif check_define __APPLE__; then
 728   targetos='Darwin'
 729 else
 730   # This is a fatal error, but don't report it yet, because we
 731   # might be going to just print the --help text, or it might
 732   # be the result of a missing compiler.
 733   targetos='bogus'
 734   bogus_os='yes'
 735 fi
 736
 737 # Some host OSes need non-standard checks for which CPU to use.
 738 # Note that these checks are broken for cross-compilation: if you're
 739 # cross-compiling to one of these OSes then you'll need to specify
 740 # the correct CPU with the --cpu option.
 741 case $targetos in
 742 Darwin)
 743   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 744   # run 64-bit userspace code.
 745   # If the user didn't specify a CPU explicitly and the kernel says this is
 746   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 747   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 748     cpu="x86_64"
 749   fi
 750   ;;
 751 SunOS)
 752   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 753   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 754     cpu="x86_64"
 755   fi
 756 esac
 757
 758 if test ! -z "$cpu" ; then
 759   # command line argument
 760   :
 761 elif check_define __i386__ ; then
 762   cpu="i386"
 763 elif check_define __x86_64__ ; then
 764   if check_define __ILP32__ ; then
 765     cpu="x32"
 766   else
 767     cpu="x86_64"
 768   fi
 769 elif check_define __sparc__ ; then
 770   if check_define __arch64__ ; then
 771     cpu="sparc64"
 772   else
 773     cpu="sparc"
 774   fi
 775 elif check_define _ARCH_PPC ; then
 776   if check_define _ARCH_PPC64 ; then
 777     if check_define _LITTLE_ENDIAN ; then
 778       cpu="ppc64le"
 779     else
 780       cpu="ppc64"
 781     fi
 782   else
 783     cpu="ppc"
 784   fi
 785 elif check_define __mips__ ; then
 786   cpu="mips"
 787 elif check_define __s390__ ; then
 788   if check_define __s390x__ ; then
 789     cpu="s390x"
 790   else
 791     cpu="s390"
 792   fi
 793 elif check_define __riscv ; then
 794   if check_define _LP64 ; then
 795     cpu="riscv64"
 796   else
 797     cpu="riscv32"
 798   fi
 799 elif check_define __arm__ ; then
 800   cpu="arm"
 801 elif check_define __aarch64__ ; then
 802   cpu="aarch64"
 803 else
 804   cpu=$(uname -m)
 805 fi
 806
 807 ARCH=
 808 # Normalise host CPU name and set ARCH.
 809 # Note that this case should only have supported host CPUs, not guests.
 810 case "$cpu" in
 811   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 812   ;;
 813   ppc64le)
 814     ARCH="ppc64"
 815   ;;
 816   i386|i486|i586|i686|i86pc|BePC)
 817     cpu="i386"
 818   ;;
 819   x86_64|amd64)
 820     cpu="x86_64"
 821   ;;
 822   armv*b|armv*l|arm)
 823     cpu="arm"
 824   ;;
 825   aarch64)
 826     cpu="aarch64"
 827   ;;
 828   mips*)
 829     cpu="mips"
 830   ;;
 831   sparc|sun4[cdmuv])
 832     cpu="sparc"
 833   ;;
 834   *)
 835     # This will result in either an error or falling back to TCI later
 836     ARCH=unknown
 837   ;;
 838 esac
 839 if test -z "$ARCH"; then
 840   ARCH="$cpu"
 841 fi
 842
 843 # OS specific
 844
 845 # host *BSD for user mode
 846 HOST_VARIANT_DIR=""
 847
 848 case $targetos in
 849 MINGW32*)
 850   mingw32="yes"
 851   hax="yes"
 852   whpx=""
 853   vhost_user="no"
 854   audio_possible_drivers="dsound sdl"
 855   if check_include dsound.h; then
 856     audio_drv_list="dsound"
 857   else
 858     audio_drv_list=""
 859   fi
 860   supported_os="yes"
 861   pie="no"
 862 ;;
 863 GNU/kFreeBSD)
 864   bsd="yes"
 865   audio_drv_list="oss try-sdl"
 866   audio_possible_drivers="oss sdl pa"
 867 ;;
 868 FreeBSD)
 869   bsd="yes"
 870   make="${MAKE-gmake}"
 871   audio_drv_list="oss try-sdl"
 872   audio_possible_drivers="oss sdl pa"
 873   # needed for kinfo_getvmmap(3) in libutil.h
 874   LIBS="-lutil $LIBS"
 875   netmap=""  # enable netmap autodetect
 876   HOST_VARIANT_DIR="freebsd"
 877 ;;
 878 DragonFly)
 879   bsd="yes"
 880   make="${MAKE-gmake}"
 881   audio_drv_list="oss try-sdl"
 882   audio_possible_drivers="oss sdl pa"
 883   HOST_VARIANT_DIR="dragonfly"
 884 ;;
 885 NetBSD)
 886   bsd="yes"
 887   hax="yes"
 888   make="${MAKE-gmake}"
 889   audio_drv_list="oss try-sdl"
 890   audio_possible_drivers="oss sdl"
 891   oss_lib="-lossaudio"
 892   HOST_VARIANT_DIR="netbsd"
 893 ;;
 894 OpenBSD)
 895   bsd="yes"
 896   make="${MAKE-gmake}"
 897   audio_drv_list="try-sdl"
 898   audio_possible_drivers="sdl"
 899   HOST_VARIANT_DIR="openbsd"
 900 ;;
 901 Darwin)
 902   bsd="yes"
 903   darwin="yes"
 904   hax="yes"
 905   hvf="yes"
 906   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 907   if [ "$cpu" = "x86_64" ] ; then
 908     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 909     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 910   fi
 911   cocoa="yes"
 912   audio_drv_list="coreaudio try-sdl"
 913   audio_possible_drivers="coreaudio sdl"
 914   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 915   # Disable attempts to use ObjectiveC features in os/object.h since they
 916   # won't work when we're compiling with gcc as a C compiler.
 917   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 918   HOST_VARIANT_DIR="darwin"
 919 ;;
 920 SunOS)
 921   solaris="yes"
 922   make="${MAKE-gmake}"
 923   install="${INSTALL-ginstall}"
 924   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 925   if test -f /usr/include/sys/soundcard.h ; then
 926     audio_drv_list="oss try-sdl"
 927   fi
 928   audio_possible_drivers="oss sdl"
 929 # needed for CMSG_ macros in sys/socket.h
 930   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 931 # needed for TIOCWIN* defines in termios.h
 932   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 933   solarisnetlibs="-lsocket -lnsl -lresolv"
 934   LIBS="$solarisnetlibs $LIBS"
 935 ;;
 936 Haiku)
 937   haiku="yes"
 938   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 939   LIBS="-lposix_error_mapper -lnetwork -lbsd $LIBS"
 940 ;;
 941 Linux)
 942   audio_drv_list="try-pa oss"
 943   audio_possible_drivers="oss alsa sdl pa"
 944   linux="yes"
 945   linux_user="yes"
 946   kvm="yes"
 947   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 948   libudev="yes"
 949 ;;
 950 esac
 951
 952 if [ "$bsd" = "yes" ] ; then
 953   if [ "$darwin" != "yes" ] ; then
 954     bsd_user="yes"
 955   fi
 956 fi
 957
 958 : ${make=${MAKE-make}}
 959 : ${install=${INSTALL-install}}
 960 # We prefer python 3.x. A bare 'python' is traditionally
 961 # python 2.x, but some distros have it as python 3.x, so
 962 # we check that too
 963 python=
 964 explicit_python=no
 965 for binary in "${PYTHON-python3}" python
 966 do
 967     if has "$binary"
 968     then
 969         python=$(command -v "$binary")
 970         break
 971     fi
 972 done
 973
 974 sphinx_build=
 975 for binary in sphinx-build-3 sphinx-build
 976 do
 977     if has "$binary"
 978     then
 979         sphinx_build=$(command -v "$binary")
 980         break
 981     fi
 982 done
 983
 984 # Check for ancillary tools used in testing
 985 genisoimage=
 986 for binary in genisoimage mkisofs
 987 do
 988     if has $binary
 989     then
 990         genisoimage=$(command -v "$binary")
 991         break
 992     fi
 993 done
 994
 995 : ${smbd=${SMBD-/usr/sbin/smbd}}
 996
 997 # Default objcc to clang if available, otherwise use CC
 998 if has clang; then
 999   objcc=clang
1000 else
1001   objcc="$cc"
1002 fi
1003
1004 if test "$mingw32" = "yes" ; then
1005   EXESUF=".exe"
1006   HOST_DSOSUF=".dll"
1007   # MinGW needs -mthreads for TLS and macro _MT.
1008   CFLAGS="-mthreads $CFLAGS"
1009   LIBS="-lwinmm -lws2_32 $LIBS"
1010   write_c_skeleton;
1011   if compile_prog "" "-liberty" ; then
1012     LIBS="-liberty $LIBS"
1013   fi
1014   prefix="c:/Program Files/QEMU"
1015   qemu_suffix=""
1016   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
1017 fi
1018
1019 werror=""
1020
1021 for opt do
1022   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
1023   case "$opt" in
1024   --help|-h) show_help=yes
1025   ;;
1026   --version|-V) exec cat $source_path/VERSION
1027   ;;
1028   --prefix=*) prefix="$optarg"
1029   ;;
1030   --interp-prefix=*) interp_prefix="$optarg"
1031   ;;
1032   --cross-prefix=*)
1033   ;;
1034   --cc=*)
1035   ;;
1036   --host-cc=*) host_cc="$optarg"
1037   ;;
1038   --cxx=*)
1039   ;;
1040   --iasl=*) iasl="$optarg"
1041   ;;
1042   --objcc=*) objcc="$optarg"
1043   ;;
1044   --make=*) make="$optarg"
1045   ;;
1046   --install=*) install="$optarg"
1047   ;;
1048   --python=*) python="$optarg" ; explicit_python=yes
1049   ;;
1050   --sphinx-build=*) sphinx_build="$optarg"
1051   ;;
1052   --skip-meson) skip_meson=yes
1053   ;;
1054   --meson=*) meson="$optarg"
1055   ;;
1056   --ninja=*) ninja="$optarg"
1057   ;;
1058   --smbd=*) smbd="$optarg"
1059   ;;
1060   --extra-cflags=*)
1061   ;;
1062   --extra-cxxflags=*)
1063   ;;
1064   --extra-ldflags=*)
1065   ;;
1066   --enable-debug-info)
1067   ;;
1068   --disable-debug-info)
1069   ;;
1070   --cross-cc-*)
1071   ;;
1072   --enable-modules)
1073       modules="yes"
1074   ;;
1075   --disable-modules)
1076       modules="no"
1077   ;;
1078   --disable-module-upgrades) module_upgrades="no"
1079   ;;
1080   --enable-module-upgrades) module_upgrades="yes"
1081   ;;
1082   --cpu=*)
1083   ;;
1084   --target-list=*) target_list="$optarg"
1085                    if test "$target_list_exclude"; then
1086                        error_exit "Can't mix --target-list with --target-list-exclude"
1087                    fi
1088   ;;
1089   --target-list-exclude=*) target_list_exclude="$optarg"
1090                    if test "$target_list"; then
1091                        error_exit "Can't mix --target-list-exclude with --target-list"
1092                    fi
1093   ;;
1094   --enable-trace-backends=*) trace_backends="$optarg"
1095   ;;
1096   # XXX: backwards compatibility
1097   --enable-trace-backend=*) trace_backends="$optarg"
1098   ;;
1099   --with-trace-file=*) trace_file="$optarg"
1100   ;;
1101   --with-default-devices) default_devices="yes"
1102   ;;
1103   --without-default-devices) default_devices="no"
1104   ;;
1105   --enable-gprof) gprof="yes"
1106   ;;
1107   --enable-gcov) gcov="yes"
1108   ;;
1109   --static)
1110     static="yes"
1111     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1112   ;;
1113   --mandir=*) mandir="$optarg"
1114   ;;
1115   --bindir=*) bindir="$optarg"
1116   ;;
1117   --libdir=*) libdir="$optarg"
1118   ;;
1119   --libexecdir=*) libexecdir="$optarg"
1120   ;;
1121   --includedir=*) includedir="$optarg"
1122   ;;
1123   --datadir=*) datadir="$optarg"
1124   ;;
1125   --with-suffix=*) qemu_suffix="$optarg"
1126   ;;
1127   --docdir=*) qemu_docdir="$optarg"
1128   ;;
1129   --sysconfdir=*) sysconfdir="$optarg"
1130   ;;
1131   --localstatedir=*) local_statedir="$optarg"
1132   ;;
1133   --firmwarepath=*) firmwarepath="$optarg"
1134   ;;
1135   --host=*|--build=*|\
1136   --disable-dependency-tracking|\
1137   --sbindir=*|--sharedstatedir=*|\
1138   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1139   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1140     # These switches are silently ignored, for compatibility with
1141     # autoconf-generated configure scripts. This allows QEMU's
1142     # configure to be used by RPM and similar macros that set
1143     # lots of directory switches by default.
1144   ;;
1145   --disable-sdl) sdl="disabled"
1146   ;;
1147   --enable-sdl) sdl="enabled"
1148   ;;
1149   --disable-sdl-image) sdl_image="disabled"
1150   ;;
1151   --enable-sdl-image) sdl_image="enabled"
1152   ;;
1153   --disable-qom-cast-debug) qom_cast_debug="no"
1154   ;;
1155   --enable-qom-cast-debug) qom_cast_debug="yes"
1156   ;;
1157   --disable-virtfs) virtfs="no"
1158   ;;
1159   --enable-virtfs) virtfs="yes"
1160   ;;
1161   --disable-mpath) mpath="no"
1162   ;;
1163   --enable-mpath) mpath="yes"
1164   ;;
1165   --disable-vnc) vnc="disabled"
1166   ;;
1167   --enable-vnc) vnc="enabled"
1168   ;;
1169   --disable-gettext) gettext="false"
1170   ;;
1171   --enable-gettext) gettext="true"
1172   ;;
1173   --oss-lib=*) oss_lib="$optarg"
1174   ;;
1175   --audio-drv-list=*) audio_drv_list="$optarg"
1176   ;;
1177   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1178   ;;
1179   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1180   ;;
1181   --enable-debug-tcg) debug_tcg="yes"
1182   ;;
1183   --disable-debug-tcg) debug_tcg="no"
1184   ;;
1185   --enable-debug)
1186       # Enable debugging options that aren't excessively noisy
1187       debug_tcg="yes"
1188       debug_mutex="yes"
1189       debug="yes"
1190       strip_opt="no"
1191       fortify_source="no"
1192   ;;
1193   --enable-sanitizers) sanitizers="yes"
1194   ;;
1195   --disable-sanitizers) sanitizers="no"
1196   ;;
1197   --enable-tsan) tsan="yes"
1198   ;;
1199   --disable-tsan) tsan="no"
1200   ;;
1201   --enable-sparse) sparse="yes"
1202   ;;
1203   --disable-sparse) sparse="no"
1204   ;;
1205   --disable-strip) strip_opt="no"
1206   ;;
1207   --disable-vnc-sasl) vnc_sasl="disabled"
1208   ;;
1209   --enable-vnc-sasl) vnc_sasl="enabled"
1210   ;;
1211   --disable-vnc-jpeg) vnc_jpeg="disabled"
1212   ;;
1213   --enable-vnc-jpeg) vnc_jpeg="enabled"
1214   ;;
1215   --disable-vnc-png) vnc_png="disabled"
1216   ;;
1217   --enable-vnc-png) vnc_png="enabled"
1218   ;;
1219   --disable-slirp) slirp="no"
1220   ;;
1221   --enable-slirp=git) slirp="git"
1222   ;;
1223   --enable-slirp=system) slirp="system"
1224   ;;
1225   --disable-vde) vde="no"
1226   ;;
1227   --enable-vde) vde="yes"
1228   ;;
1229   --disable-netmap) netmap="no"
1230   ;;
1231   --enable-netmap) netmap="yes"
1232   ;;
1233   --disable-xen) xen="no"
1234   ;;
1235   --enable-xen) xen="yes"
1236   ;;
1237   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1238   ;;
1239   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1240   ;;
1241   --disable-brlapi) brlapi="no"
1242   ;;
1243   --enable-brlapi) brlapi="yes"
1244   ;;
1245   --disable-kvm) kvm="no"
1246   ;;
1247   --enable-kvm) kvm="yes"
1248   ;;
1249   --disable-hax) hax="no"
1250   ;;
1251   --enable-hax) hax="yes"
1252   ;;
1253   --disable-hvf) hvf="no"
1254   ;;
1255   --enable-hvf) hvf="yes"
1256   ;;
1257   --disable-whpx) whpx="no"
1258   ;;
1259   --enable-whpx) whpx="yes"
1260   ;;
1261   --disable-tcg-interpreter) tcg_interpreter="no"
1262   ;;
1263   --enable-tcg-interpreter) tcg_interpreter="yes"
1264   ;;
1265   --disable-cap-ng)  cap_ng="no"
1266   ;;
1267   --enable-cap-ng) cap_ng="yes"
1268   ;;
1269   --disable-tcg) tcg="no"
1270   ;;
1271   --enable-tcg) tcg="yes"
1272   ;;
1273   --disable-malloc-trim) malloc_trim="no"
1274   ;;
1275   --enable-malloc-trim) malloc_trim="yes"
1276   ;;
1277   --disable-spice) spice="no"
1278   ;;
1279   --enable-spice) spice="yes"
1280   ;;
1281   --disable-libiscsi) libiscsi="no"
1282   ;;
1283   --enable-libiscsi) libiscsi="yes"
1284   ;;
1285   --disable-libnfs) libnfs="no"
1286   ;;
1287   --enable-libnfs) libnfs="yes"
1288   ;;
1289   --enable-profiler) profiler="yes"
1290   ;;
1291   --disable-cocoa) cocoa="no"
1292   ;;
1293   --enable-cocoa)
1294       cocoa="yes" ;
1295       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1296   ;;
1297   --disable-system) softmmu="no"
1298   ;;
1299   --enable-system) softmmu="yes"
1300   ;;
1301   --disable-user)
1302       linux_user="no" ;
1303       bsd_user="no" ;
1304   ;;
1305   --enable-user) ;;
1306   --disable-linux-user) linux_user="no"
1307   ;;
1308   --enable-linux-user) linux_user="yes"
1309   ;;
1310   --disable-bsd-user) bsd_user="no"
1311   ;;
1312   --enable-bsd-user) bsd_user="yes"
1313   ;;
1314   --enable-pie) pie="yes"
1315   ;;
1316   --disable-pie) pie="no"
1317   ;;
1318   --enable-werror) werror="yes"
1319   ;;
1320   --disable-werror) werror="no"
1321   ;;
1322   --enable-stack-protector) stack_protector="yes"
1323   ;;
1324   --disable-stack-protector) stack_protector="no"
1325   ;;
1326   --enable-safe-stack) safe_stack="yes"
1327   ;;
1328   --disable-safe-stack) safe_stack="no"
1329   ;;
1330   --disable-curses) curses="no"
1331   ;;
1332   --enable-curses) curses="yes"
1333   ;;
1334   --disable-iconv) iconv="no"
1335   ;;
1336   --enable-iconv) iconv="yes"
1337   ;;
1338   --disable-curl) curl="no"
1339   ;;
1340   --enable-curl) curl="yes"
1341   ;;
1342   --disable-fdt) fdt="no"
1343   ;;
1344   --enable-fdt) fdt="yes"
1345   ;;
1346   --disable-linux-aio) linux_aio="no"
1347   ;;
1348   --enable-linux-aio) linux_aio="yes"
1349   ;;
1350   --disable-linux-io-uring) linux_io_uring="no"
1351   ;;
1352   --enable-linux-io-uring) linux_io_uring="yes"
1353   ;;
1354   --disable-attr) attr="no"
1355   ;;
1356   --enable-attr) attr="yes"
1357   ;;
1358   --disable-membarrier) membarrier="no"
1359   ;;
1360   --enable-membarrier) membarrier="yes"
1361   ;;
1362   --disable-blobs) blobs="no"
1363   ;;
1364   --with-pkgversion=*) pkgversion="$optarg"
1365   ;;
1366   --with-coroutine=*) coroutine="$optarg"
1367   ;;
1368   --disable-coroutine-pool) coroutine_pool="no"
1369   ;;
1370   --enable-coroutine-pool) coroutine_pool="yes"
1371   ;;
1372   --enable-debug-stack-usage) debug_stack_usage="yes"
1373   ;;
1374   --enable-crypto-afalg) crypto_afalg="yes"
1375   ;;
1376   --disable-crypto-afalg) crypto_afalg="no"
1377   ;;
1378   --disable-docs) docs="no"
1379   ;;
1380   --enable-docs) docs="yes"
1381   ;;
1382   --disable-vhost-net) vhost_net="no"
1383   ;;
1384   --enable-vhost-net) vhost_net="yes"
1385   ;;
1386   --disable-vhost-crypto) vhost_crypto="no"
1387   ;;
1388   --enable-vhost-crypto) vhost_crypto="yes"
1389   ;;
1390   --disable-vhost-scsi) vhost_scsi="no"
1391   ;;
1392   --enable-vhost-scsi) vhost_scsi="yes"
1393   ;;
1394   --disable-vhost-vsock) vhost_vsock="no"
1395   ;;
1396   --enable-vhost-vsock) vhost_vsock="yes"
1397   ;;
1398   --disable-vhost-user-fs) vhost_user_fs="no"
1399   ;;
1400   --enable-vhost-user-fs) vhost_user_fs="yes"
1401   ;;
1402   --disable-opengl) opengl="no"
1403   ;;
1404   --enable-opengl) opengl="yes"
1405   ;;
1406   --disable-rbd) rbd="no"
1407   ;;
1408   --enable-rbd) rbd="yes"
1409   ;;
1410   --disable-xfsctl) xfs="no"
1411   ;;
1412   --enable-xfsctl) xfs="yes"
1413   ;;
1414   --disable-smartcard) smartcard="no"
1415   ;;
1416   --enable-smartcard) smartcard="yes"
1417   ;;
1418   --disable-u2f) u2f="disabled"
1419   ;;
1420   --enable-u2f) u2f="enabled"
1421   ;;
1422   --disable-libusb) libusb="no"
1423   ;;
1424   --enable-libusb) libusb="yes"
1425   ;;
1426   --disable-usb-redir) usb_redir="no"
1427   ;;
1428   --enable-usb-redir) usb_redir="yes"
1429   ;;
1430   --disable-zlib-test)
1431   ;;
1432   --disable-lzo) lzo="no"
1433   ;;
1434   --enable-lzo) lzo="yes"
1435   ;;
1436   --disable-snappy) snappy="no"
1437   ;;
1438   --enable-snappy) snappy="yes"
1439   ;;
1440   --disable-bzip2) bzip2="no"
1441   ;;
1442   --enable-bzip2) bzip2="yes"
1443   ;;
1444   --enable-lzfse) lzfse="yes"
1445   ;;
1446   --disable-lzfse) lzfse="no"
1447   ;;
1448   --disable-zstd) zstd="no"
1449   ;;
1450   --enable-zstd) zstd="yes"
1451   ;;
1452   --enable-guest-agent) guest_agent="yes"
1453   ;;
1454   --disable-guest-agent) guest_agent="no"
1455   ;;
1456   --enable-guest-agent-msi) guest_agent_msi="yes"
1457   ;;
1458   --disable-guest-agent-msi) guest_agent_msi="no"
1459   ;;
1460   --with-vss-sdk) vss_win32_sdk=""
1461   ;;
1462   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1463   ;;
1464   --without-vss-sdk) vss_win32_sdk="no"
1465   ;;
1466   --with-win-sdk) win_sdk=""
1467   ;;
1468   --with-win-sdk=*) win_sdk="$optarg"
1469   ;;
1470   --without-win-sdk) win_sdk="no"
1471   ;;
1472   --enable-tools) want_tools="yes"
1473   ;;
1474   --disable-tools) want_tools="no"
1475   ;;
1476   --enable-seccomp) seccomp="yes"
1477   ;;
1478   --disable-seccomp) seccomp="no"
1479   ;;
1480   --disable-glusterfs) glusterfs="no"
1481   ;;
1482   --disable-avx2) avx2_opt="no"
1483   ;;
1484   --enable-avx2) avx2_opt="yes"
1485   ;;
1486   --disable-avx512f) avx512f_opt="no"
1487   ;;
1488   --enable-avx512f) avx512f_opt="yes"
1489   ;;
1490
1491   --enable-glusterfs) glusterfs="yes"
1492   ;;
1493   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1494       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1495   ;;
1496   --enable-vhdx|--disable-vhdx)
1497       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1498   ;;
1499   --enable-uuid|--disable-uuid)
1500       echo "$0: $opt is obsolete, UUID support is always built" >&2
1501   ;;
1502   --disable-gtk) gtk="no"
1503   ;;
1504   --enable-gtk) gtk="yes"
1505   ;;
1506   --tls-priority=*) tls_priority="$optarg"
1507   ;;
1508   --disable-gnutls) gnutls="no"
1509   ;;
1510   --enable-gnutls) gnutls="yes"
1511   ;;
1512   --disable-nettle) nettle="no"
1513   ;;
1514   --enable-nettle) nettle="yes"
1515   ;;
1516   --disable-gcrypt) gcrypt="no"
1517   ;;
1518   --enable-gcrypt) gcrypt="yes"
1519   ;;
1520   --disable-auth-pam) auth_pam="no"
1521   ;;
1522   --enable-auth-pam) auth_pam="yes"
1523   ;;
1524   --enable-rdma) rdma="yes"
1525   ;;
1526   --disable-rdma) rdma="no"
1527   ;;
1528   --enable-pvrdma) pvrdma="yes"
1529   ;;
1530   --disable-pvrdma) pvrdma="no"
1531   ;;
1532   --disable-vte) vte="no"
1533   ;;
1534   --enable-vte) vte="yes"
1535   ;;
1536   --disable-virglrenderer) virglrenderer="no"
1537   ;;
1538   --enable-virglrenderer) virglrenderer="yes"
1539   ;;
1540   --disable-tpm) tpm="no"
1541   ;;
1542   --enable-tpm) tpm="yes"
1543   ;;
1544   --disable-libssh) libssh="no"
1545   ;;
1546   --enable-libssh) libssh="yes"
1547   ;;
1548   --disable-live-block-migration) live_block_migration="no"
1549   ;;
1550   --enable-live-block-migration) live_block_migration="yes"
1551   ;;
1552   --disable-numa) numa="no"
1553   ;;
1554   --enable-numa) numa="yes"
1555   ;;
1556   --disable-libxml2) libxml2="no"
1557   ;;
1558   --enable-libxml2) libxml2="yes"
1559   ;;
1560   --disable-tcmalloc) tcmalloc="no"
1561   ;;
1562   --enable-tcmalloc) tcmalloc="yes"
1563   ;;
1564   --disable-jemalloc) jemalloc="no"
1565   ;;
1566   --enable-jemalloc) jemalloc="yes"
1567   ;;
1568   --disable-replication) replication="no"
1569   ;;
1570   --enable-replication) replication="yes"
1571   ;;
1572   --disable-bochs) bochs="no"
1573   ;;
1574   --enable-bochs) bochs="yes"
1575   ;;
1576   --disable-cloop) cloop="no"
1577   ;;
1578   --enable-cloop) cloop="yes"
1579   ;;
1580   --disable-dmg) dmg="no"
1581   ;;
1582   --enable-dmg) dmg="yes"
1583   ;;
1584   --disable-qcow1) qcow1="no"
1585   ;;
1586   --enable-qcow1) qcow1="yes"
1587   ;;
1588   --disable-vdi) vdi="no"
1589   ;;
1590   --enable-vdi) vdi="yes"
1591   ;;
1592   --disable-vvfat) vvfat="no"
1593   ;;
1594   --enable-vvfat) vvfat="yes"
1595   ;;
1596   --disable-qed) qed="no"
1597   ;;
1598   --enable-qed) qed="yes"
1599   ;;
1600   --disable-parallels) parallels="no"
1601   ;;
1602   --enable-parallels) parallels="yes"
1603   ;;
1604   --disable-sheepdog) sheepdog="no"
1605   ;;
1606   --enable-sheepdog) sheepdog="yes"
1607   ;;
1608   --disable-vhost-user) vhost_user="no"
1609   ;;
1610   --enable-vhost-user) vhost_user="yes"
1611   ;;
1612   --disable-vhost-vdpa) vhost_vdpa="no"
1613   ;;
1614   --enable-vhost-vdpa) vhost_vdpa="yes"
1615   ;;
1616   --disable-vhost-kernel) vhost_kernel="no"
1617   ;;
1618   --enable-vhost-kernel) vhost_kernel="yes"
1619   ;;
1620   --disable-capstone) capstone="no"
1621   ;;
1622   --enable-capstone) capstone="yes"
1623   ;;
1624   --enable-capstone=git) capstone="git"
1625   ;;
1626   --enable-capstone=system) capstone="system"
1627   ;;
1628   --with-git=*) git="$optarg"
1629   ;;
1630   --enable-git-update) git_update=yes
1631   ;;
1632   --disable-git-update) git_update=no
1633   ;;
1634   --enable-debug-mutex) debug_mutex=yes
1635   ;;
1636   --disable-debug-mutex) debug_mutex=no
1637   ;;
1638   --enable-libpmem) libpmem=yes
1639   ;;
1640   --disable-libpmem) libpmem=no
1641   ;;
1642   --enable-xkbcommon) xkbcommon="enabled"
1643   ;;
1644   --disable-xkbcommon) xkbcommon="disabled"
1645   ;;
1646   --enable-plugins) plugins="yes"
1647   ;;
1648   --disable-plugins) plugins="no"
1649   ;;
1650   --enable-containers) use_containers="yes"
1651   ;;
1652   --disable-containers) use_containers="no"
1653   ;;
1654   --enable-fuzzing) fuzzing=yes
1655   ;;
1656   --disable-fuzzing) fuzzing=no
1657   ;;
1658   --gdb=*) gdb_bin="$optarg"
1659   ;;
1660   --enable-rng-none) rng_none=yes
1661   ;;
1662   --disable-rng-none) rng_none=no
1663   ;;
1664   --enable-keyring) secret_keyring="yes"
1665   ;;
1666   --disable-keyring) secret_keyring="no"
1667   ;;
1668   --enable-libdaxctl) libdaxctl=yes
1669   ;;
1670   --disable-libdaxctl) libdaxctl=no
1671   ;;
1672   *)
1673       echo "ERROR: unknown option $opt"
1674       echo "Try '$0 --help' for more information"
1675       exit 1
1676   ;;
1677   esac
1678 done
1679
1680 firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}"
1681 libdir="${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     docdir="$prefix"
1689     bindir="$prefix"
1690     sysconfdir="$prefix"
1691     local_statedir=
1692 else
1693     mandir="${mandir:-$prefix/share/man}"
1694     datadir="${datadir:-$prefix/share}"
1695     docdir="${docdir:-$prefix/share/doc}"
1696     bindir="${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/$qemu_suffix
1837   --docdir=PATH            install documentation in PATH/$qemu_suffix
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/$qemu_suffix
1842   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1843   --firmwarepath=PATH      search PATH for firmware files
1844   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1845   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
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="$CFLAGS -Wno-unused-function"
3904     fi
3905 fi
3906
3907 ##########################################
3908 # SHA command probe for modules
3909 if test "$modules" = yes; then
3910     shacmd_probe="sha1sum sha1 shasum"
3911     for c in $shacmd_probe; do
3912         if has $c; then
3913             shacmd="$c"
3914             break
3915         fi
3916     done
3917     if test "$shacmd" = ""; then
3918         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3919     fi
3920 fi
3921
3922 ##########################################
3923 # libmpathpersist probe
3924
3925 if test "$mpath" != "no" ; then
3926   # probe for the new API
3927   cat > $TMPC <<EOF
3928 #include <libudev.h>
3929 #include <mpath_persist.h>
3930 unsigned mpath_mx_alloc_len = 1024;
3931 int logsink;
3932 static struct config *multipath_conf;
3933 extern struct udev *udev;
3934 extern struct config *get_multipath_config(void);
3935 extern void put_multipath_config(struct config *conf);
3936 struct udev *udev;
3937 struct config *get_multipath_config(void) { return multipath_conf; }
3938 void put_multipath_config(struct config *conf) { }
3939
3940 int main(void) {
3941     udev = udev_new();
3942     multipath_conf = mpath_lib_init();
3943     return 0;
3944 }
3945 EOF
3946   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3947     mpathpersist=yes
3948     mpathpersist_new_api=yes
3949   else
3950     # probe for the old 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 int main(void) {
3957     struct udev *udev = udev_new();
3958     mpath_lib_init(udev);
3959     return 0;
3960 }
3961 EOF
3962     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3963       mpathpersist=yes
3964       mpathpersist_new_api=no
3965     else
3966       mpathpersist=no
3967     fi
3968   fi
3969 else
3970   mpathpersist=no
3971 fi
3972
3973 ##########################################
3974 # pthread probe
3975 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3976
3977 pthread=no
3978 cat > $TMPC << EOF
3979 #include <pthread.h>
3980 static void *f(void *p) { return NULL; }
3981 int main(void) {
3982   pthread_t thread;
3983   pthread_create(&thread, 0, f, 0);
3984   return 0;
3985 }
3986 EOF
3987 if compile_prog "" "" ; then
3988   pthread=yes
3989 else
3990   for pthread_lib in $PTHREADLIBS_LIST; do
3991     if compile_prog "" "$pthread_lib" ; then
3992       pthread=yes
3993       found=no
3994       for lib_entry in $LIBS; do
3995         if test "$lib_entry" = "$pthread_lib"; then
3996           found=yes
3997           break
3998         fi
3999       done
4000       if test "$found" = "no"; then
4001         LIBS="$pthread_lib $LIBS"
4002       fi
4003       PTHREAD_LIB="$pthread_lib"
4004       break
4005     fi
4006   done
4007 fi
4008
4009 if test "$mingw32" != yes && test "$pthread" = no; then
4010   error_exit "pthread check failed" \
4011       "Make sure to have the pthread libs and headers installed."
4012 fi
4013
4014 # check for pthread_setname_np with thread id
4015 pthread_setname_np_w_tid=no
4016 cat > $TMPC << EOF
4017 #include <pthread.h>
4018
4019 static void *f(void *p) { return NULL; }
4020 int main(void)
4021 {
4022     pthread_t thread;
4023     pthread_create(&thread, 0, f, 0);
4024     pthread_setname_np(thread, "QEMU");
4025     return 0;
4026 }
4027 EOF
4028 if compile_prog "" "$pthread_lib" ; then
4029   pthread_setname_np_w_tid=yes
4030 fi
4031
4032 # check for pthread_setname_np without thread id
4033 pthread_setname_np_wo_tid=no
4034 cat > $TMPC << EOF
4035 #include <pthread.h>
4036
4037 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
4038 int main(void)
4039 {
4040     pthread_t thread;
4041     pthread_create(&thread, 0, f, 0);
4042     return 0;
4043 }
4044 EOF
4045 if compile_prog "" "$pthread_lib" ; then
4046   pthread_setname_np_wo_tid=yes
4047 fi
4048
4049 ##########################################
4050 # rbd probe
4051 if test "$rbd" != "no" ; then
4052   cat > $TMPC <<EOF
4053 #include <stdio.h>
4054 #include <rbd/librbd.h>
4055 int main(void) {
4056     rados_t cluster;
4057     rados_create(&cluster, NULL);
4058     return 0;
4059 }
4060 EOF
4061   rbd_libs="-lrbd -lrados"
4062   if compile_prog "" "$rbd_libs" ; then
4063     rbd=yes
4064   else
4065     if test "$rbd" = "yes" ; then
4066       feature_not_found "rados block device" "Install librbd/ceph devel"
4067     fi
4068     rbd=no
4069   fi
4070 fi
4071
4072 ##########################################
4073 # libssh probe
4074 if test "$libssh" != "no" ; then
4075   if $pkg_config --exists libssh; then
4076     libssh_cflags=$($pkg_config libssh --cflags)
4077     libssh_libs=$($pkg_config libssh --libs)
4078     libssh=yes
4079   else
4080     if test "$libssh" = "yes" ; then
4081       error_exit "libssh required for --enable-libssh"
4082     fi
4083     libssh=no
4084   fi
4085 fi
4086
4087 ##########################################
4088 # Check for libssh 0.8
4089 # This is done like this instead of using the LIBSSH_VERSION_* and
4090 # SSH_VERSION_* macros because some distributions in the past shipped
4091 # snapshots of the future 0.8 from Git, and those snapshots did not
4092 # have updated version numbers (still referring to 0.7.0).
4093
4094 if test "$libssh" = "yes"; then
4095   cat > $TMPC <<EOF
4096 #include <libssh/libssh.h>
4097 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4098 EOF
4099   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4100     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4101   fi
4102 fi
4103
4104 ##########################################
4105 # linux-aio probe
4106
4107 if test "$linux_aio" != "no" ; then
4108   cat > $TMPC <<EOF
4109 #include <libaio.h>
4110 #include <sys/eventfd.h>
4111 #include <stddef.h>
4112 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4113 EOF
4114   if compile_prog "" "-laio" ; then
4115     linux_aio=yes
4116   else
4117     if test "$linux_aio" = "yes" ; then
4118       feature_not_found "linux AIO" "Install libaio devel"
4119     fi
4120     linux_aio=no
4121   fi
4122 fi
4123 ##########################################
4124 # linux-io-uring probe
4125
4126 if test "$linux_io_uring" != "no" ; then
4127   if $pkg_config liburing; then
4128     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4129     linux_io_uring_libs=$($pkg_config --libs liburing)
4130     linux_io_uring=yes
4131
4132     # io_uring is used in libqemuutil.a where per-file -libs variables are not
4133     # seen by programs linking the archive.  It's not ideal, but just add the
4134     # library dependency globally.
4135     LIBS="$linux_io_uring_libs $LIBS"
4136   else
4137     if test "$linux_io_uring" = "yes" ; then
4138       feature_not_found "linux io_uring" "Install liburing devel"
4139     fi
4140     linux_io_uring=no
4141   fi
4142 fi
4143
4144 ##########################################
4145 # TPM emulation is only on POSIX
4146
4147 if test "$tpm" = ""; then
4148   if test "$mingw32" = "yes"; then
4149     tpm=no
4150   else
4151     tpm=yes
4152   fi
4153 elif test "$tpm" = "yes"; then
4154   if test "$mingw32" = "yes" ; then
4155     error_exit "TPM emulation only available on POSIX systems"
4156   fi
4157 fi
4158
4159 ##########################################
4160 # attr probe
4161
4162 libattr_libs=
4163 if test "$attr" != "no" ; then
4164   cat > $TMPC <<EOF
4165 #include <stdio.h>
4166 #include <sys/types.h>
4167 #ifdef CONFIG_LIBATTR
4168 #include <attr/xattr.h>
4169 #else
4170 #include <sys/xattr.h>
4171 #endif
4172 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4173 EOF
4174   if compile_prog "" "" ; then
4175     attr=yes
4176   # Older distros have <attr/xattr.h>, and need -lattr:
4177   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4178     attr=yes
4179     libattr_libs="-lattr"
4180     LIBS="$libattr_libs $LIBS"
4181     libattr=yes
4182   else
4183     if test "$attr" = "yes" ; then
4184       feature_not_found "ATTR" "Install libc6 or libattr devel"
4185     fi
4186     attr=no
4187   fi
4188 fi
4189
4190 ##########################################
4191 # iovec probe
4192 cat > $TMPC <<EOF
4193 #include <sys/types.h>
4194 #include <sys/uio.h>
4195 #include <unistd.h>
4196 int main(void) { return sizeof(struct iovec); }
4197 EOF
4198 iovec=no
4199 if compile_prog "" "" ; then
4200   iovec=yes
4201 fi
4202
4203 ##########################################
4204 # preadv probe
4205 cat > $TMPC <<EOF
4206 #include <sys/types.h>
4207 #include <sys/uio.h>
4208 #include <unistd.h>
4209 int main(void) { return preadv(0, 0, 0, 0); }
4210 EOF
4211 preadv=no
4212 if compile_prog "" "" ; then
4213   preadv=yes
4214 fi
4215
4216 ##########################################
4217 # fdt probe
4218 # fdt support is mandatory for at least some target architectures,
4219 # so insist on it if we're building those system emulators.
4220 fdt_required=no
4221 for target in $target_list; do
4222   case $target in
4223     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
4224       fdt_required=yes
4225     ;;
4226   esac
4227 done
4228
4229 if test "$fdt_required" = "yes"; then
4230   if test "$fdt" = "no"; then
4231     error_exit "fdt disabled but some requested targets require it." \
4232       "You can turn off fdt only if you also disable all the system emulation" \
4233       "targets which need it (by specifying a cut down --target-list)."
4234   fi
4235   fdt=yes
4236 elif test "$fdt" != "yes" ; then
4237   fdt=no
4238 fi
4239
4240 # fdt is only required when building softmmu targets
4241 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4242     fdt="no"
4243 fi
4244
4245 if test "$fdt" != "no" ; then
4246   fdt_libs="-lfdt"
4247   # explicitly check for libfdt_env.h as it is missing in some stable installs
4248   # and test for required functions to make sure we are on a version >= 1.4.2
4249   cat > $TMPC << EOF
4250 #include <libfdt.h>
4251 #include <libfdt_env.h>
4252 int main(void) { fdt_check_full(NULL, 0); return 0; }
4253 EOF
4254   if compile_prog "" "$fdt_libs" ; then
4255     # system DTC is good - use it
4256     fdt=system
4257   else
4258       # have GIT checkout, so activate dtc submodule
4259       if test -e "${source_path}/.git" ; then
4260           git_submodules="${git_submodules} dtc"
4261       fi
4262       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4263           fdt=git
4264           mkdir -p dtc
4265           if [ "$pwd_is_source_path" != "y" ] ; then
4266               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4267           fi
4268           fdt_cflags="-I${source_path}/dtc/libfdt"
4269           fdt_ldflags="-L$PWD/dtc/libfdt"
4270           fdt_libs="$fdt_libs"
4271       elif test "$fdt" = "yes" ; then
4272           # Not a git build & no libfdt found, prompt for system install
4273           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4274                      "Please install the DTC (libfdt) devel package"
4275       else
4276           # don't have and don't want
4277           fdt_libs=
4278           fdt=no
4279       fi
4280   fi
4281 fi
4282
4283 ##########################################
4284 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4285
4286 gbm="no"
4287 if $pkg_config gbm; then
4288     gbm_cflags="$($pkg_config --cflags gbm)"
4289     gbm_libs="$($pkg_config --libs gbm)"
4290     gbm="yes"
4291 fi
4292
4293 if test "$opengl" != "no" ; then
4294   opengl_pkgs="epoxy gbm"
4295   if $pkg_config $opengl_pkgs; then
4296     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4297     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4298     opengl=yes
4299     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4300         gtk_gl="yes"
4301     fi
4302     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4303   else
4304     if test "$opengl" = "yes" ; then
4305       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4306     fi
4307     opengl_cflags=""
4308     opengl_libs=""
4309     opengl=no
4310   fi
4311 fi
4312
4313 if test "$opengl" = "yes"; then
4314   cat > $TMPC << EOF
4315 #include <epoxy/egl.h>
4316 #ifndef EGL_MESA_image_dma_buf_export
4317 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4318 #endif
4319 int main(void) { return 0; }
4320 EOF
4321   if compile_prog "" "" ; then
4322     opengl_dmabuf=yes
4323   fi
4324 fi
4325
4326 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4327   for target in $target_list; do
4328     case $target in
4329       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4330         need_x11=yes
4331       ;;
4332     esac
4333   done
4334 fi
4335
4336 ##########################################
4337 # libxml2 probe
4338 if test "$libxml2" != "no" ; then
4339     if $pkg_config --exists libxml-2.0; then
4340         libxml2="yes"
4341         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4342         libxml2_libs=$($pkg_config --libs libxml-2.0)
4343     else
4344         if test "$libxml2" = "yes"; then
4345             feature_not_found "libxml2" "Install libxml2 devel"
4346         fi
4347         libxml2="no"
4348     fi
4349 fi
4350
4351 ##########################################
4352 # glusterfs probe
4353 if test "$glusterfs" != "no" ; then
4354   if $pkg_config --atleast-version=3 glusterfs-api; then
4355     glusterfs="yes"
4356     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4357     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4358     if $pkg_config --atleast-version=4 glusterfs-api; then
4359       glusterfs_xlator_opt="yes"
4360     fi
4361     if $pkg_config --atleast-version=5 glusterfs-api; then
4362       glusterfs_discard="yes"
4363     fi
4364     if $pkg_config --atleast-version=6 glusterfs-api; then
4365       glusterfs_fallocate="yes"
4366       glusterfs_zerofill="yes"
4367     fi
4368     cat > $TMPC << EOF
4369 #include <glusterfs/api/glfs.h>
4370
4371 int
4372 main(void)
4373 {
4374         /* new glfs_ftruncate() passes two additional args */
4375         return glfs_ftruncate(NULL, 0, NULL, NULL);
4376 }
4377 EOF
4378     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4379       glusterfs_ftruncate_has_stat="yes"
4380     fi
4381     cat > $TMPC << EOF
4382 #include <glusterfs/api/glfs.h>
4383
4384 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4385 static void
4386 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4387 {}
4388
4389 int
4390 main(void)
4391 {
4392         glfs_io_cbk iocb = &glusterfs_iocb;
4393         iocb(NULL, 0 , NULL, NULL, NULL);
4394         return 0;
4395 }
4396 EOF
4397     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4398       glusterfs_iocb_has_stat="yes"
4399     fi
4400   else
4401     if test "$glusterfs" = "yes" ; then
4402       feature_not_found "GlusterFS backend support" \
4403           "Install glusterfs-api devel >= 3"
4404     fi
4405     glusterfs="no"
4406   fi
4407 fi
4408
4409 # Check for inotify functions when we are building linux-user
4410 # emulator.  This is done because older glibc versions don't
4411 # have syscall stubs for these implemented.  In that case we
4412 # don't provide them even if kernel supports them.
4413 #
4414 inotify=no
4415 cat > $TMPC << EOF
4416 #include <sys/inotify.h>
4417
4418 int
4419 main(void)
4420 {
4421         /* try to start inotify */
4422         return inotify_init();
4423 }
4424 EOF
4425 if compile_prog "" "" ; then
4426   inotify=yes
4427 fi
4428
4429 inotify1=no
4430 cat > $TMPC << EOF
4431 #include <sys/inotify.h>
4432
4433 int
4434 main(void)
4435 {
4436     /* try to start inotify */
4437     return inotify_init1(0);
4438 }
4439 EOF
4440 if compile_prog "" "" ; then
4441   inotify1=yes
4442 fi
4443
4444 # check if pipe2 is there
4445 pipe2=no
4446 cat > $TMPC << EOF
4447 #include <unistd.h>
4448 #include <fcntl.h>
4449
4450 int main(void)
4451 {
4452     int pipefd[2];
4453     return pipe2(pipefd, O_CLOEXEC);
4454 }
4455 EOF
4456 if compile_prog "" "" ; then
4457   pipe2=yes
4458 fi
4459
4460 # check if accept4 is there
4461 accept4=no
4462 cat > $TMPC << EOF
4463 #include <sys/socket.h>
4464 #include <stddef.h>
4465
4466 int main(void)
4467 {
4468     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4469     return 0;
4470 }
4471 EOF
4472 if compile_prog "" "" ; then
4473   accept4=yes
4474 fi
4475
4476 # check if tee/splice is there. vmsplice was added same time.
4477 splice=no
4478 cat > $TMPC << EOF
4479 #include <unistd.h>
4480 #include <fcntl.h>
4481 #include <limits.h>
4482
4483 int main(void)
4484 {
4485     int len, fd = 0;
4486     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4487     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4488     return 0;
4489 }
4490 EOF
4491 if compile_prog "" "" ; then
4492   splice=yes
4493 fi
4494
4495 ##########################################
4496 # libnuma probe
4497
4498 if test "$numa" != "no" ; then
4499   cat > $TMPC << EOF
4500 #include <numa.h>
4501 int main(void) { return numa_available(); }
4502 EOF
4503
4504   if compile_prog "" "-lnuma" ; then
4505     numa=yes
4506     numa_libs="-lnuma"
4507   else
4508     if test "$numa" = "yes" ; then
4509       feature_not_found "numa" "install numactl devel"
4510     fi
4511     numa=no
4512   fi
4513 fi
4514
4515 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4516     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4517     exit 1
4518 fi
4519
4520 # Even if malloc_trim() is available, these non-libc memory allocators
4521 # do not support it.
4522 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4523     if test "$malloc_trim" = "yes" ; then
4524         echo "Disabling malloc_trim with non-libc memory allocator"
4525     fi
4526     malloc_trim="no"
4527 fi
4528
4529 #######################################
4530 # malloc_trim
4531
4532 if test "$malloc_trim" != "no" ; then
4533     cat > $TMPC << EOF
4534 #include <malloc.h>
4535 int main(void) { malloc_trim(0); return 0; }
4536 EOF
4537     if compile_prog "" "" ; then
4538         malloc_trim="yes"
4539     else
4540         malloc_trim="no"
4541     fi
4542 fi
4543
4544 ##########################################
4545 # tcmalloc probe
4546
4547 if test "$tcmalloc" = "yes" ; then
4548   cat > $TMPC << EOF
4549 #include <stdlib.h>
4550 int main(void) {
4551     void *tmp = malloc(1);
4552     if (tmp != NULL) {
4553         return 0;
4554     }
4555     return 1;
4556 }
4557 EOF
4558
4559   if compile_prog "" "-ltcmalloc" ; then
4560     LIBS="-ltcmalloc $LIBS"
4561   else
4562     feature_not_found "tcmalloc" "install gperftools devel"
4563   fi
4564 fi
4565
4566 ##########################################
4567 # jemalloc probe
4568
4569 if test "$jemalloc" = "yes" ; then
4570   cat > $TMPC << EOF
4571 #include <stdlib.h>
4572 int main(void) {
4573     void *tmp = malloc(1);
4574     if (tmp != NULL) {
4575         return 0;
4576     }
4577     return 1;
4578 }
4579 EOF
4580
4581   if compile_prog "" "-ljemalloc" ; then
4582     LIBS="-ljemalloc $LIBS"
4583   else
4584     feature_not_found "jemalloc" "install jemalloc devel"
4585   fi
4586 fi
4587
4588 ##########################################
4589 # signalfd probe
4590 signalfd="no"
4591 cat > $TMPC << EOF
4592 #include <unistd.h>
4593 #include <sys/syscall.h>
4594 #include <signal.h>
4595 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4596 EOF
4597
4598 if compile_prog "" "" ; then
4599   signalfd=yes
4600 fi
4601
4602 # check if optreset global is declared by <getopt.h>
4603 optreset="no"
4604 cat > $TMPC << EOF
4605 #include <getopt.h>
4606 int main(void) { return optreset; }
4607 EOF
4608
4609 if compile_prog "" "" ; then
4610   optreset=yes
4611 fi
4612
4613 # check if eventfd is supported
4614 eventfd=no
4615 cat > $TMPC << EOF
4616 #include <sys/eventfd.h>
4617
4618 int main(void)
4619 {
4620     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4621 }
4622 EOF
4623 if compile_prog "" "" ; then
4624   eventfd=yes
4625 fi
4626
4627 # check if memfd is supported
4628 memfd=no
4629 cat > $TMPC << EOF
4630 #include <sys/mman.h>
4631
4632 int main(void)
4633 {
4634     return memfd_create("foo", MFD_ALLOW_SEALING);
4635 }
4636 EOF
4637 if compile_prog "" "" ; then
4638   memfd=yes
4639 fi
4640
4641 # check for usbfs
4642 have_usbfs=no
4643 if test "$linux_user" = "yes"; then
4644   cat > $TMPC << EOF
4645 #include <linux/usbdevice_fs.h>
4646
4647 #ifndef USBDEVFS_GET_CAPABILITIES
4648 #error "USBDEVFS_GET_CAPABILITIES undefined"
4649 #endif
4650
4651 #ifndef USBDEVFS_DISCONNECT_CLAIM
4652 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4653 #endif
4654
4655 int main(void)
4656 {
4657     return 0;
4658 }
4659 EOF
4660   if compile_prog "" ""; then
4661     have_usbfs=yes
4662   fi
4663 fi
4664
4665 # check for fallocate
4666 fallocate=no
4667 cat > $TMPC << EOF
4668 #include <fcntl.h>
4669
4670 int main(void)
4671 {
4672     fallocate(0, 0, 0, 0);
4673     return 0;
4674 }
4675 EOF
4676 if compile_prog "" "" ; then
4677   fallocate=yes
4678 fi
4679
4680 # check for fallocate hole punching
4681 fallocate_punch_hole=no
4682 cat > $TMPC << EOF
4683 #include <fcntl.h>
4684 #include <linux/falloc.h>
4685
4686 int main(void)
4687 {
4688     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4689     return 0;
4690 }
4691 EOF
4692 if compile_prog "" "" ; then
4693   fallocate_punch_hole=yes
4694 fi
4695
4696 # check that fallocate supports range zeroing inside the file
4697 fallocate_zero_range=no
4698 cat > $TMPC << EOF
4699 #include <fcntl.h>
4700 #include <linux/falloc.h>
4701
4702 int main(void)
4703 {
4704     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4705     return 0;
4706 }
4707 EOF
4708 if compile_prog "" "" ; then
4709   fallocate_zero_range=yes
4710 fi
4711
4712 # check for posix_fallocate
4713 posix_fallocate=no
4714 cat > $TMPC << EOF
4715 #include <fcntl.h>
4716
4717 int main(void)
4718 {
4719     posix_fallocate(0, 0, 0);
4720     return 0;
4721 }
4722 EOF
4723 if compile_prog "" "" ; then
4724     posix_fallocate=yes
4725 fi
4726
4727 # check for sync_file_range
4728 sync_file_range=no
4729 cat > $TMPC << EOF
4730 #include <fcntl.h>
4731
4732 int main(void)
4733 {
4734     sync_file_range(0, 0, 0, 0);
4735     return 0;
4736 }
4737 EOF
4738 if compile_prog "" "" ; then
4739   sync_file_range=yes
4740 fi
4741
4742 # check for linux/fiemap.h and FS_IOC_FIEMAP
4743 fiemap=no
4744 cat > $TMPC << EOF
4745 #include <sys/ioctl.h>
4746 #include <linux/fs.h>
4747 #include <linux/fiemap.h>
4748
4749 int main(void)
4750 {
4751     ioctl(0, FS_IOC_FIEMAP, 0);
4752     return 0;
4753 }
4754 EOF
4755 if compile_prog "" "" ; then
4756   fiemap=yes
4757 fi
4758
4759 # check for dup3
4760 dup3=no
4761 cat > $TMPC << EOF
4762 #include <unistd.h>
4763
4764 int main(void)
4765 {
4766     dup3(0, 0, 0);
4767     return 0;
4768 }
4769 EOF
4770 if compile_prog "" "" ; then
4771   dup3=yes
4772 fi
4773
4774 # check for ppoll support
4775 ppoll=no
4776 cat > $TMPC << EOF
4777 #include <poll.h>
4778
4779 int main(void)
4780 {
4781     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4782     ppoll(&pfd, 1, 0, 0);
4783     return 0;
4784 }
4785 EOF
4786 if compile_prog "" "" ; then
4787   ppoll=yes
4788 fi
4789
4790 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4791 prctl_pr_set_timerslack=no
4792 cat > $TMPC << EOF
4793 #include <sys/prctl.h>
4794
4795 int main(void)
4796 {
4797     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4798     return 0;
4799 }
4800 EOF
4801 if compile_prog "" "" ; then
4802   prctl_pr_set_timerslack=yes
4803 fi
4804
4805 # check for epoll support
4806 epoll=no
4807 cat > $TMPC << EOF
4808 #include <sys/epoll.h>
4809
4810 int main(void)
4811 {
4812     epoll_create(0);
4813     return 0;
4814 }
4815 EOF
4816 if compile_prog "" "" ; then
4817   epoll=yes
4818 fi
4819
4820 # epoll_create1 is a later addition
4821 # so we must check separately for its presence
4822 epoll_create1=no
4823 cat > $TMPC << EOF
4824 #include <sys/epoll.h>
4825
4826 int main(void)
4827 {
4828     /* Note that we use epoll_create1 as a value, not as
4829      * a function being called. This is necessary so that on
4830      * old SPARC glibc versions where the function was present in
4831      * the library but not declared in the header file we will
4832      * fail the configure check. (Otherwise we will get a compiler
4833      * warning but not an error, and will proceed to fail the
4834      * qemu compile where we compile with -Werror.)
4835      */
4836     return (int)(uintptr_t)&epoll_create1;
4837 }
4838 EOF
4839 if compile_prog "" "" ; then
4840   epoll_create1=yes
4841 fi
4842
4843 # check for sendfile support
4844 sendfile=no
4845 cat > $TMPC << EOF
4846 #include <sys/sendfile.h>
4847
4848 int main(void)
4849 {
4850     return sendfile(0, 0, 0, 0);
4851 }
4852 EOF
4853 if compile_prog "" "" ; then
4854   sendfile=yes
4855 fi
4856
4857 # check for timerfd support (glibc 2.8 and newer)
4858 timerfd=no
4859 cat > $TMPC << EOF
4860 #include <sys/timerfd.h>
4861
4862 int main(void)
4863 {
4864     return(timerfd_create(CLOCK_REALTIME, 0));
4865 }
4866 EOF
4867 if compile_prog "" "" ; then
4868   timerfd=yes
4869 fi
4870
4871 # check for setns and unshare support
4872 setns=no
4873 cat > $TMPC << EOF
4874 #include <sched.h>
4875
4876 int main(void)
4877 {
4878     int ret;
4879     ret = setns(0, 0);
4880     ret = unshare(0);
4881     return ret;
4882 }
4883 EOF
4884 if compile_prog "" "" ; then
4885   setns=yes
4886 fi
4887
4888 # clock_adjtime probe
4889 clock_adjtime=no
4890 cat > $TMPC <<EOF
4891 #include <time.h>
4892
4893 int main(void)
4894 {
4895     return clock_adjtime(0, 0);
4896 }
4897 EOF
4898 clock_adjtime=no
4899 if compile_prog "" "" ; then
4900   clock_adjtime=yes
4901 fi
4902
4903 # syncfs probe
4904 syncfs=no
4905 cat > $TMPC <<EOF
4906 #include <unistd.h>
4907
4908 int main(void)
4909 {
4910     return syncfs(0);
4911 }
4912 EOF
4913 syncfs=no
4914 if compile_prog "" "" ; then
4915   syncfs=yes
4916 fi
4917
4918 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4919 kcov=no
4920 if check_include sys/kcov.h ; then
4921     kcov=yes
4922 fi
4923
4924 # check for btrfs filesystem support (kernel must be 3.9+)
4925 btrfs=no
4926 if check_include linux/btrfs.h ; then
4927     btrfs=yes
4928 fi
4929
4930 # If we're making warnings fatal, apply this to Sphinx runs as well
4931 sphinx_werror=""
4932 if test "$werror" = "yes"; then
4933     sphinx_werror="-W"
4934 fi
4935
4936 # Check we have a new enough version of sphinx-build
4937 has_sphinx_build() {
4938     # This is a bit awkward but works: create a trivial document and
4939     # try to run it with our configuration file (which enforces a
4940     # version requirement). This will fail if either
4941     # sphinx-build doesn't exist at all or if it is too old.
4942     mkdir -p "$TMPDIR1/sphinx"
4943     touch "$TMPDIR1/sphinx/index.rst"
4944     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4945                     -b html "$TMPDIR1/sphinx" \
4946                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4947 }
4948
4949 # Check if tools are available to build documentation.
4950 if test "$docs" != "no" ; then
4951   if has_sphinx_build; then
4952     sphinx_ok=yes
4953   else
4954     sphinx_ok=no
4955   fi
4956   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4957     docs=yes
4958   else
4959     if test "$docs" = "yes" ; then
4960       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4961         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4962       fi
4963       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4964     fi
4965     docs=no
4966   fi
4967 fi
4968
4969 # Search for bswap_32 function
4970 byteswap_h=no
4971 cat > $TMPC << EOF
4972 #include <byteswap.h>
4973 int main(void) { return bswap_32(0); }
4974 EOF
4975 if compile_prog "" "" ; then
4976   byteswap_h=yes
4977 fi
4978
4979 # Search for bswap32 function
4980 bswap_h=no
4981 cat > $TMPC << EOF
4982 #include <sys/endian.h>
4983 #include <sys/types.h>
4984 #include <machine/bswap.h>
4985 int main(void) { return bswap32(0); }
4986 EOF
4987 if compile_prog "" "" ; then
4988   bswap_h=yes
4989 fi
4990
4991 ##########################################
4992 # Do we have libiscsi >= 1.9.0
4993 if test "$libiscsi" != "no" ; then
4994   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4995     libiscsi="yes"
4996     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4997     libiscsi_libs=$($pkg_config --libs libiscsi)
4998   else
4999     if test "$libiscsi" = "yes" ; then
5000       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
5001     fi
5002     libiscsi="no"
5003   fi
5004 fi
5005
5006 ##########################################
5007 # Do we need libm
5008 cat > $TMPC << EOF
5009 #include <math.h>
5010 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
5011 EOF
5012 if compile_prog "" "" ; then
5013   :
5014 elif compile_prog "" "-lm" ; then
5015   LIBS="-lm $LIBS"
5016 else
5017   error_exit "libm check failed"
5018 fi
5019
5020 ##########################################
5021 # Do we need librt
5022 # uClibc provides 2 versions of clock_gettime(), one with realtime
5023 # support and one without. This means that the clock_gettime() don't
5024 # need -lrt. We still need it for timer_create() so we check for this
5025 # function in addition.
5026 cat > $TMPC <<EOF
5027 #include <signal.h>
5028 #include <time.h>
5029 int main(void) {
5030   timer_create(CLOCK_REALTIME, NULL, NULL);
5031   return clock_gettime(CLOCK_REALTIME, NULL);
5032 }
5033 EOF
5034
5035 if compile_prog "" "" ; then
5036   :
5037 # we need pthread for static linking. use previous pthread test result
5038 elif compile_prog "" "$pthread_lib -lrt" ; then
5039   LIBS="$LIBS -lrt"
5040 fi
5041
5042 # Check whether we need to link libutil for openpty()
5043 cat > $TMPC << EOF
5044 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
5045 int main(void) { return openpty(0, 0, 0, 0, 0); }
5046 EOF
5047
5048 have_openpty="no"
5049 if compile_prog "" "" ; then
5050   have_openpty="yes"
5051 else
5052   if compile_prog "" "-lutil" ; then
5053     libs_tools="-lutil $libs_tools"
5054     have_openpty="yes"
5055   fi
5056 fi
5057
5058 ##########################################
5059 # spice probe
5060 if test "$spice" != "no" ; then
5061   cat > $TMPC << EOF
5062 #include <spice.h>
5063 int main(void) { spice_server_new(); return 0; }
5064 EOF
5065   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5066   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5067   if $pkg_config --atleast-version=0.12.5 spice-server && \
5068      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5069      compile_prog "$spice_cflags" "$spice_libs" ; then
5070     spice="yes"
5071     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5072   else
5073     if test "$spice" = "yes" ; then
5074       feature_not_found "spice" \
5075           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5076     fi
5077     spice="no"
5078   fi
5079 fi
5080
5081 # check for smartcard support
5082 if test "$smartcard" != "no"; then
5083     if $pkg_config --atleast-version=2.5.1 libcacard; then
5084         libcacard_cflags=$($pkg_config --cflags libcacard)
5085         libcacard_libs=$($pkg_config --libs libcacard)
5086         smartcard="yes"
5087     else
5088         if test "$smartcard" = "yes"; then
5089             feature_not_found "smartcard" "Install libcacard devel"
5090         fi
5091         smartcard="no"
5092     fi
5093 fi
5094
5095 # check for libusb
5096 if test "$libusb" != "no" ; then
5097     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5098         libusb="yes"
5099         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5100         libusb_libs=$($pkg_config --libs libusb-1.0)
5101     else
5102         if test "$libusb" = "yes"; then
5103             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5104         fi
5105         libusb="no"
5106     fi
5107 fi
5108
5109 # check for usbredirparser for usb network redirection support
5110 if test "$usb_redir" != "no" ; then
5111     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5112         usb_redir="yes"
5113         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5114         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5115     else
5116         if test "$usb_redir" = "yes"; then
5117             feature_not_found "usb-redir" "Install usbredir devel"
5118         fi
5119         usb_redir="no"
5120     fi
5121 fi
5122
5123 ##########################################
5124 # check if we have VSS SDK headers for win
5125
5126 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5127         test "$vss_win32_sdk" != "no" ; then
5128   case "$vss_win32_sdk" in
5129     "")   vss_win32_include="-isystem $source_path" ;;
5130     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5131           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5132           vss_win32_include="-isystem $source_path/.sdk/vss"
5133           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5134           ;;
5135     *)    vss_win32_include="-isystem $vss_win32_sdk"
5136   esac
5137   cat > $TMPC << EOF
5138 #define __MIDL_user_allocate_free_DEFINED__
5139 #include <inc/win2003/vss.h>
5140 int main(void) { return VSS_CTX_BACKUP; }
5141 EOF
5142   if compile_prog "$vss_win32_include" "" ; then
5143     guest_agent_with_vss="yes"
5144     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5145     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5146     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5147   else
5148     if test "$vss_win32_sdk" != "" ; then
5149       echo "ERROR: Please download and install Microsoft VSS SDK:"
5150       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5151       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5152       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5153       echo "ERROR: The headers are extracted in the directory \`inc'."
5154       feature_not_found "VSS support"
5155     fi
5156     guest_agent_with_vss="no"
5157   fi
5158 fi
5159
5160 ##########################################
5161 # lookup Windows platform SDK (if not specified)
5162 # The SDK is needed only to build .tlb (type library) file of guest agent
5163 # VSS provider from the source. It is usually unnecessary because the
5164 # pre-compiled .tlb file is included.
5165
5166 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5167         test "$guest_agent_with_vss" = "yes" ; then
5168   if test -z "$win_sdk"; then
5169     programfiles="$PROGRAMFILES"
5170     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5171     if test -n "$programfiles"; then
5172       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5173     else
5174       feature_not_found "Windows SDK"
5175     fi
5176   elif test "$win_sdk" = "no"; then
5177     win_sdk=""
5178   fi
5179 fi
5180
5181 ##########################################
5182 # check if mingw environment provides a recent ntddscsi.h
5183 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5184   cat > $TMPC << EOF
5185 #include <windows.h>
5186 #include <ntddscsi.h>
5187 int main(void) {
5188 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5189 #error Missing required ioctl definitions
5190 #endif
5191   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5192   return addr.Lun;
5193 }
5194 EOF
5195   if compile_prog "" "" ; then
5196     guest_agent_ntddscsi=yes
5197     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5198   fi
5199 fi
5200
5201 ##########################################
5202 # virgl renderer probe
5203
5204 if test "$virglrenderer" != "no" ; then
5205   cat > $TMPC << EOF
5206 #include <virglrenderer.h>
5207 int main(void) { virgl_renderer_poll(); return 0; }
5208 EOF
5209   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5210   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5211   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5212   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5213      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5214     virglrenderer="yes"
5215   else
5216     if test "$virglrenderer" = "yes" ; then
5217       feature_not_found "virglrenderer"
5218     fi
5219     virglrenderer="no"
5220   fi
5221 fi
5222
5223 ##########################################
5224 # capstone
5225
5226 case "$capstone" in
5227   "" | yes)
5228     if $pkg_config capstone; then
5229       capstone=system
5230     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5231       capstone=git
5232     elif test -e "${source_path}/capstone/Makefile" ; then
5233       capstone=internal
5234     elif test -z "$capstone" ; then
5235       capstone=no
5236     else
5237       feature_not_found "capstone" "Install capstone devel or git submodule"
5238     fi
5239     ;;
5240
5241   system)
5242     if ! $pkg_config capstone; then
5243       feature_not_found "capstone" "Install capstone devel"
5244     fi
5245     ;;
5246 esac
5247
5248 case "$capstone" in
5249   git | internal)
5250     if test "$capstone" = git; then
5251       git_submodules="${git_submodules} capstone"
5252     fi
5253     mkdir -p capstone
5254     QEMU_CFLAGS="$QEMU_CFLAGS -I${source_path}/capstone/include"
5255     if test "$mingw32" = "yes"; then
5256       LIBCAPSTONE=capstone.lib
5257     else
5258       LIBCAPSTONE=libcapstone.a
5259     fi
5260     capstone_libs="-L$PWD/capstone -lcapstone"
5261     capstone_cflags="-I${source_path}/capstone/include"
5262     ;;
5263
5264   system)
5265     capstone_libs="$($pkg_config --libs capstone)"
5266     capstone_cflags="$($pkg_config --cflags capstone)"
5267     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5268     ;;
5269
5270   no)
5271     ;;
5272   *)
5273     error_exit "Unknown state for capstone: $capstone"
5274     ;;
5275 esac
5276
5277 ##########################################
5278 # check if we have fdatasync
5279
5280 fdatasync=no
5281 cat > $TMPC << EOF
5282 #include <unistd.h>
5283 int main(void) {
5284 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5285 return fdatasync(0);
5286 #else
5287 #error Not supported
5288 #endif
5289 }
5290 EOF
5291 if compile_prog "" "" ; then
5292     fdatasync=yes
5293 fi
5294
5295 ##########################################
5296 # check if we have madvise
5297
5298 madvise=no
5299 cat > $TMPC << EOF
5300 #include <sys/types.h>
5301 #include <sys/mman.h>
5302 #include <stddef.h>
5303 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5304 EOF
5305 if compile_prog "" "" ; then
5306     madvise=yes
5307 fi
5308
5309 ##########################################
5310 # check if we have posix_madvise
5311
5312 posix_madvise=no
5313 cat > $TMPC << EOF
5314 #include <sys/mman.h>
5315 #include <stddef.h>
5316 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5317 EOF
5318 if compile_prog "" "" ; then
5319     posix_madvise=yes
5320 fi
5321
5322 ##########################################
5323 # check if we have posix_memalign()
5324
5325 posix_memalign=no
5326 cat > $TMPC << EOF
5327 #include <stdlib.h>
5328 int main(void) {
5329     void *p;
5330     return posix_memalign(&p, 8, 8);
5331 }
5332 EOF
5333 if compile_prog "" "" ; then
5334     posix_memalign=yes
5335 fi
5336
5337 ##########################################
5338 # check if we have posix_syslog
5339
5340 posix_syslog=no
5341 cat > $TMPC << EOF
5342 #include <syslog.h>
5343 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5344 EOF
5345 if compile_prog "" "" ; then
5346     posix_syslog=yes
5347 fi
5348
5349 ##########################################
5350 # check if we have sem_timedwait
5351
5352 sem_timedwait=no
5353 cat > $TMPC << EOF
5354 #include <semaphore.h>
5355 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5356 EOF
5357 if compile_prog "" "" ; then
5358     sem_timedwait=yes
5359 fi
5360
5361 ##########################################
5362 # check if we have strchrnul
5363
5364 strchrnul=no
5365 cat > $TMPC << EOF
5366 #include <string.h>
5367 int main(void);
5368 // Use a haystack that the compiler shouldn't be able to constant fold
5369 char *haystack = (char*)&main;
5370 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5371 EOF
5372 if compile_prog "" "" ; then
5373     strchrnul=yes
5374 fi
5375
5376 #########################################
5377 # check if we have st_atim
5378
5379 st_atim=no
5380 cat > $TMPC << EOF
5381 #include <sys/stat.h>
5382 #include <stddef.h>
5383 int main(void) { return offsetof(struct stat, st_atim); }
5384 EOF
5385 if compile_prog "" "" ; then
5386     st_atim=yes
5387 fi
5388
5389 ##########################################
5390 # check if trace backend exists
5391
5392 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5393 if test "$?" -ne 0 ; then
5394   error_exit "invalid trace backends" \
5395       "Please choose supported trace backends."
5396 fi
5397
5398 ##########################################
5399 # For 'ust' backend, test if ust headers are present
5400 if have_backend "ust"; then
5401   cat > $TMPC << EOF
5402 #include <lttng/tracepoint.h>
5403 int main(void) { return 0; }
5404 EOF
5405   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5406     if $pkg_config lttng-ust --exists; then
5407       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5408     else
5409       lttng_ust_libs="-llttng-ust -ldl"
5410     fi
5411     if $pkg_config liburcu-bp --exists; then
5412       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5413     else
5414       urcu_bp_libs="-lurcu-bp"
5415     fi
5416
5417     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5418   else
5419     error_exit "Trace backend 'ust' missing lttng-ust header files"
5420   fi
5421 fi
5422
5423 ##########################################
5424 # For 'dtrace' backend, test if 'dtrace' command is present
5425 if have_backend "dtrace"; then
5426   if ! has 'dtrace' ; then
5427     error_exit "dtrace command is not found in PATH $PATH"
5428   fi
5429   trace_backend_stap="no"
5430   if has 'stap' ; then
5431     trace_backend_stap="yes"
5432   fi
5433 fi
5434
5435 ##########################################
5436 # check and set a backend for coroutine
5437
5438 # We prefer ucontext, but it's not always possible. The fallback
5439 # is sigcontext. On Windows the only valid backend is the Windows
5440 # specific one.
5441
5442 ucontext_works=no
5443 if test "$darwin" != "yes"; then
5444   cat > $TMPC << EOF
5445 #include <ucontext.h>
5446 #ifdef __stub_makecontext
5447 #error Ignoring glibc stub makecontext which will always fail
5448 #endif
5449 int main(void) { makecontext(0, 0, 0); return 0; }
5450 EOF
5451   if compile_prog "" "" ; then
5452     ucontext_works=yes
5453   fi
5454 fi
5455
5456 if test "$coroutine" = ""; then
5457   if test "$mingw32" = "yes"; then
5458     coroutine=win32
5459   elif test "$ucontext_works" = "yes"; then
5460     coroutine=ucontext
5461   else
5462     coroutine=sigaltstack
5463   fi
5464 else
5465   case $coroutine in
5466   windows)
5467     if test "$mingw32" != "yes"; then
5468       error_exit "'windows' coroutine backend only valid for Windows"
5469     fi
5470     # Unfortunately the user visible backend name doesn't match the
5471     # coroutine-*.c filename for this case, so we have to adjust it here.
5472     coroutine=win32
5473     ;;
5474   ucontext)
5475     if test "$ucontext_works" != "yes"; then
5476       feature_not_found "ucontext"
5477     fi
5478     ;;
5479   sigaltstack)
5480     if test "$mingw32" = "yes"; then
5481       error_exit "only the 'windows' coroutine backend is valid for Windows"
5482     fi
5483     ;;
5484   *)
5485     error_exit "unknown coroutine backend $coroutine"
5486     ;;
5487   esac
5488 fi
5489
5490 if test "$coroutine_pool" = ""; then
5491   coroutine_pool=yes
5492 fi
5493
5494 if test "$debug_stack_usage" = "yes"; then
5495   if test "$coroutine_pool" = "yes"; then
5496     echo "WARN: disabling coroutine pool for stack usage debugging"
5497     coroutine_pool=no
5498   fi
5499 fi
5500
5501 ##################################################
5502 # SafeStack
5503
5504
5505 if test "$safe_stack" = "yes"; then
5506 cat > $TMPC << EOF
5507 int main(int argc, char *argv[])
5508 {
5509 #if ! __has_feature(safe_stack)
5510 #error SafeStack Disabled
5511 #endif
5512     return 0;
5513 }
5514 EOF
5515   flag="-fsanitize=safe-stack"
5516   # Check that safe-stack is supported and enabled.
5517   if compile_prog "-Werror $flag" "$flag"; then
5518     # Flag needed both at compilation and at linking
5519     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5520     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5521   else
5522     error_exit "SafeStack not supported by your compiler"
5523   fi
5524   if test "$coroutine" != "ucontext"; then
5525     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5526   fi
5527 else
5528 cat > $TMPC << EOF
5529 int main(int argc, char *argv[])
5530 {
5531 #if defined(__has_feature)
5532 #if __has_feature(safe_stack)
5533 #error SafeStack Enabled
5534 #endif
5535 #endif
5536     return 0;
5537 }
5538 EOF
5539 if test "$safe_stack" = "no"; then
5540   # Make sure that safe-stack is disabled
5541   if ! compile_prog "-Werror" ""; then
5542     # SafeStack was already enabled, try to explicitly remove the feature
5543     flag="-fno-sanitize=safe-stack"
5544     if ! compile_prog "-Werror $flag" "$flag"; then
5545       error_exit "Configure cannot disable SafeStack"
5546     fi
5547     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5548     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5549   fi
5550 else # "$safe_stack" = ""
5551   # Set safe_stack to yes or no based on pre-existing flags
5552   if compile_prog "-Werror" ""; then
5553     safe_stack="no"
5554   else
5555     safe_stack="yes"
5556     if test "$coroutine" != "ucontext"; then
5557       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5558     fi
5559   fi
5560 fi
5561 fi
5562
5563 ##########################################
5564 # check if we have open_by_handle_at
5565
5566 open_by_handle_at=no
5567 cat > $TMPC << EOF
5568 #include <fcntl.h>
5569 #if !defined(AT_EMPTY_PATH)
5570 # error missing definition
5571 #else
5572 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5573 #endif
5574 EOF
5575 if compile_prog "" "" ; then
5576     open_by_handle_at=yes
5577 fi
5578
5579 ########################################
5580 # check if we have linux/magic.h
5581
5582 linux_magic_h=no
5583 cat > $TMPC << EOF
5584 #include <linux/magic.h>
5585 int main(void) {
5586   return 0;
5587 }
5588 EOF
5589 if compile_prog "" "" ; then
5590     linux_magic_h=yes
5591 fi
5592
5593 ########################################
5594 # check if we have valgrind/valgrind.h
5595
5596 valgrind_h=no
5597 cat > $TMPC << EOF
5598 #include <valgrind/valgrind.h>
5599 int main(void) {
5600   return 0;
5601 }
5602 EOF
5603 if compile_prog "" "" ; then
5604     valgrind_h=yes
5605 fi
5606
5607 ########################################
5608 # check if environ is declared
5609
5610 has_environ=no
5611 cat > $TMPC << EOF
5612 #include <unistd.h>
5613 int main(void) {
5614     environ = 0;
5615     return 0;
5616 }
5617 EOF
5618 if compile_prog "" "" ; then
5619     has_environ=yes
5620 fi
5621
5622 ########################################
5623 # check if cpuid.h is usable.
5624
5625 cat > $TMPC << EOF
5626 #include <cpuid.h>
5627 int main(void) {
5628     unsigned a, b, c, d;
5629     int max = __get_cpuid_max(0, 0);
5630
5631     if (max >= 1) {
5632         __cpuid(1, a, b, c, d);
5633     }
5634
5635     if (max >= 7) {
5636         __cpuid_count(7, 0, a, b, c, d);
5637     }
5638
5639     return 0;
5640 }
5641 EOF
5642 if compile_prog "" "" ; then
5643     cpuid_h=yes
5644 fi
5645
5646 ##########################################
5647 # avx2 optimization requirement check
5648 #
5649 # There is no point enabling this if cpuid.h is not usable,
5650 # since we won't be able to select the new routines.
5651
5652 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5653   cat > $TMPC << EOF
5654 #pragma GCC push_options
5655 #pragma GCC target("avx2")
5656 #include <cpuid.h>
5657 #include <immintrin.h>
5658 static int bar(void *a) {
5659     __m256i x = *(__m256i *)a;
5660     return _mm256_testz_si256(x, x);
5661 }
5662 int main(int argc, char *argv[]) { return bar(argv[0]); }
5663 EOF
5664   if compile_object "" ; then
5665     avx2_opt="yes"
5666   else
5667     avx2_opt="no"
5668   fi
5669 fi
5670
5671 ##########################################
5672 # avx512f optimization requirement check
5673 #
5674 # There is no point enabling this if cpuid.h is not usable,
5675 # since we won't be able to select the new routines.
5676 # by default, it is turned off.
5677 # if user explicitly want to enable it, check environment
5678
5679 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5680   cat > $TMPC << EOF
5681 #pragma GCC push_options
5682 #pragma GCC target("avx512f")
5683 #include <cpuid.h>
5684 #include <immintrin.h>
5685 static int bar(void *a) {
5686     __m512i x = *(__m512i *)a;
5687     return _mm512_test_epi64_mask(x, x);
5688 }
5689 int main(int argc, char *argv[])
5690 {
5691         return bar(argv[0]);
5692 }
5693 EOF
5694   if ! compile_object "" ; then
5695     avx512f_opt="no"
5696   fi
5697 else
5698   avx512f_opt="no"
5699 fi
5700
5701 ########################################
5702 # check if __[u]int128_t is usable.
5703
5704 int128=no
5705 cat > $TMPC << EOF
5706 __int128_t a;
5707 __uint128_t b;
5708 int main (void) {
5709   a = a + b;
5710   b = a * b;
5711   a = a * a;
5712   return 0;
5713 }
5714 EOF
5715 if compile_prog "" "" ; then
5716     int128=yes
5717 fi
5718
5719 #########################################
5720 # See if 128-bit atomic operations are supported.
5721
5722 atomic128=no
5723 if test "$int128" = "yes"; then
5724   cat > $TMPC << EOF
5725 int main(void)
5726 {
5727   unsigned __int128 x = 0, y = 0;
5728   y = __atomic_load_16(&x, 0);
5729   __atomic_store_16(&x, y, 0);
5730   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5731   return 0;
5732 }
5733 EOF
5734   if compile_prog "" "" ; then
5735     atomic128=yes
5736   fi
5737 fi
5738
5739 cmpxchg128=no
5740 if test "$int128" = yes && test "$atomic128" = no; then
5741   cat > $TMPC << EOF
5742 int main(void)
5743 {
5744   unsigned __int128 x = 0, y = 0;
5745   __sync_val_compare_and_swap_16(&x, y, x);
5746   return 0;
5747 }
5748 EOF
5749   if compile_prog "" "" ; then
5750     cmpxchg128=yes
5751   fi
5752 fi
5753
5754 #########################################
5755 # See if 64-bit atomic operations are supported.
5756 # Note that without __atomic builtins, we can only
5757 # assume atomic loads/stores max at pointer size.
5758
5759 cat > $TMPC << EOF
5760 #include <stdint.h>
5761 int main(void)
5762 {
5763   uint64_t x = 0, y = 0;
5764 #ifdef __ATOMIC_RELAXED
5765   y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5766   __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5767   __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5768   __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5769   __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5770 #else
5771   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5772   __sync_lock_test_and_set(&x, y);
5773   __sync_val_compare_and_swap(&x, y, 0);
5774   __sync_fetch_and_add(&x, y);
5775 #endif
5776   return 0;
5777 }
5778 EOF
5779 if compile_prog "" "" ; then
5780   atomic64=yes
5781 fi
5782
5783 #########################################
5784 # See if --dynamic-list is supported by the linker
5785 ld_dynamic_list="no"
5786 if test "$static" = "no" ; then
5787     cat > $TMPTXT <<EOF
5788 {
5789   foo;
5790 };
5791 EOF
5792
5793     cat > $TMPC <<EOF
5794 #include <stdio.h>
5795 void foo(void);
5796
5797 void foo(void)
5798 {
5799   printf("foo\n");
5800 }
5801
5802 int main(void)
5803 {
5804   foo();
5805   return 0;
5806 }
5807 EOF
5808
5809     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5810         ld_dynamic_list="yes"
5811     fi
5812 fi
5813
5814 #########################################
5815 # See if -exported_symbols_list is supported by the linker
5816
5817 ld_exported_symbols_list="no"
5818 if test "$static" = "no" ; then
5819     cat > $TMPTXT <<EOF
5820   _foo
5821 EOF
5822
5823     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5824         ld_exported_symbols_list="yes"
5825     fi
5826 fi
5827
5828 if  test "$plugins" = "yes" &&
5829     test "$ld_dynamic_list" = "no" &&
5830     test "$ld_exported_symbols_list" = "no" ; then
5831   error_exit \
5832       "Plugin support requires dynamic linking and specifying a set of symbols " \
5833       "that are exported to plugins. Unfortunately your linker doesn't " \
5834       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5835       "for this purpose. You can't build with --static."
5836 fi
5837
5838 ########################################
5839 # See if __attribute__((alias)) is supported.
5840 # This false for Xcode 9, but has been remedied for Xcode 10.
5841 # Unfortunately, travis uses Xcode 9 by default.
5842
5843 attralias=no
5844 cat > $TMPC << EOF
5845 int x = 1;
5846 extern const int y __attribute__((alias("x")));
5847 int main(void) { return 0; }
5848 EOF
5849 if compile_prog "" "" ; then
5850     attralias=yes
5851 fi
5852
5853 ########################################
5854 # check if getauxval is available.
5855
5856 getauxval=no
5857 cat > $TMPC << EOF
5858 #include <sys/auxv.h>
5859 int main(void) {
5860   return getauxval(AT_HWCAP) == 0;
5861 }
5862 EOF
5863 if compile_prog "" "" ; then
5864     getauxval=yes
5865 fi
5866
5867 ########################################
5868 # check if ccache is interfering with
5869 # semantic analysis of macros
5870
5871 unset CCACHE_CPP2
5872 ccache_cpp2=no
5873 cat > $TMPC << EOF
5874 static const int Z = 1;
5875 #define fn() ({ Z; })
5876 #define TAUT(X) ((X) == Z)
5877 #define PAREN(X, Y) (X == Y)
5878 #define ID(X) (X)
5879 int main(int argc, char *argv[])
5880 {
5881     int x = 0, y = 0;
5882     x = ID(x);
5883     x = fn();
5884     fn();
5885     if (PAREN(x, y)) return 0;
5886     if (TAUT(Z)) return 0;
5887     return 0;
5888 }
5889 EOF
5890
5891 if ! compile_object "-Werror"; then
5892     ccache_cpp2=yes
5893 fi
5894
5895 #################################################
5896 # clang does not support glibc + FORTIFY_SOURCE.
5897
5898 if test "$fortify_source" != "no"; then
5899   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5900     fortify_source="no";
5901   elif test -n "$cxx" && has $cxx &&
5902        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5903     fortify_source="no";
5904   else
5905     fortify_source="yes"
5906   fi
5907 fi
5908
5909 ###############################################
5910 # Check if copy_file_range is provided by glibc
5911 have_copy_file_range=no
5912 cat > $TMPC << EOF
5913 #include <unistd.h>
5914 int main(void) {
5915   copy_file_range(0, NULL, 0, NULL, 0, 0);
5916   return 0;
5917 }
5918 EOF
5919 if compile_prog "" "" ; then
5920     have_copy_file_range=yes
5921 fi
5922
5923 ##########################################
5924 # check if struct fsxattr is available via linux/fs.h
5925
5926 have_fsxattr=no
5927 cat > $TMPC << EOF
5928 #include <linux/fs.h>
5929 struct fsxattr foo;
5930 int main(void) {
5931   return 0;
5932 }
5933 EOF
5934 if compile_prog "" "" ; then
5935     have_fsxattr=yes
5936 fi
5937
5938 ##########################################
5939 # check for usable membarrier system call
5940 if test "$membarrier" = "yes"; then
5941     have_membarrier=no
5942     if test "$mingw32" = "yes" ; then
5943         have_membarrier=yes
5944     elif test "$linux" = "yes" ; then
5945         cat > $TMPC << EOF
5946     #include <linux/membarrier.h>
5947     #include <sys/syscall.h>
5948     #include <unistd.h>
5949     #include <stdlib.h>
5950     int main(void) {
5951         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5952         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5953         exit(0);
5954     }
5955 EOF
5956         if compile_prog "" "" ; then
5957             have_membarrier=yes
5958         fi
5959     fi
5960     if test "$have_membarrier" = "no"; then
5961       feature_not_found "membarrier" "membarrier system call not available"
5962     fi
5963 else
5964     # Do not enable it by default even for Mingw32, because it doesn't
5965     # work on Wine.
5966     membarrier=no
5967 fi
5968
5969 ##########################################
5970 # check if rtnetlink.h exists and is useful
5971 have_rtnetlink=no
5972 cat > $TMPC << EOF
5973 #include <linux/rtnetlink.h>
5974 int main(void) {
5975   return IFLA_PROTO_DOWN;
5976 }
5977 EOF
5978 if compile_prog "" "" ; then
5979     have_rtnetlink=yes
5980 fi
5981
5982 ##########################################
5983 # check for usable AF_VSOCK environment
5984 have_af_vsock=no
5985 cat > $TMPC << EOF
5986 #include <errno.h>
5987 #include <sys/types.h>
5988 #include <sys/socket.h>
5989 #if !defined(AF_VSOCK)
5990 # error missing AF_VSOCK flag
5991 #endif
5992 #include <linux/vm_sockets.h>
5993 int main(void) {
5994     int sock, ret;
5995     struct sockaddr_vm svm;
5996     socklen_t len = sizeof(svm);
5997     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5998     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5999     if ((ret == -1) && (errno == ENOTCONN)) {
6000         return 0;
6001     }
6002     return -1;
6003 }
6004 EOF
6005 if compile_prog "" "" ; then
6006     have_af_vsock=yes
6007 fi
6008
6009 ##########################################
6010 # check for usable AF_ALG environment
6011 have_afalg=no
6012 cat > $TMPC << EOF
6013 #include <errno.h>
6014 #include <sys/types.h>
6015 #include <sys/socket.h>
6016 #include <linux/if_alg.h>
6017 int main(void) {
6018     int sock;
6019     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
6020     return sock;
6021 }
6022 EOF
6023 if compile_prog "" "" ; then
6024     have_afalg=yes
6025 fi
6026 if test "$crypto_afalg" = "yes"
6027 then
6028     if test "$have_afalg" != "yes"
6029     then
6030         error_exit "AF_ALG requested but could not be detected"
6031     fi
6032 fi
6033
6034
6035 #################################################
6036 # Check to see if we have the Hypervisor framework
6037 if [ "$darwin" = "yes" ] ; then
6038   cat > $TMPC << EOF
6039 #include <Hypervisor/hv.h>
6040 int main() { return 0;}
6041 EOF
6042   if ! compile_object ""; then
6043     hvf='no'
6044   else
6045     hvf='yes'
6046     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
6047   fi
6048 fi
6049
6050 ##########################################
6051 # check for sysmacros.h
6052
6053 have_sysmacros=no
6054 cat > $TMPC << EOF
6055 #include <sys/sysmacros.h>
6056 int main(void) {
6057     return makedev(0, 0);
6058 }
6059 EOF
6060 if compile_prog "" "" ; then
6061     have_sysmacros=yes
6062 fi
6063
6064 ##########################################
6065 # check for _Static_assert()
6066
6067 have_static_assert=no
6068 cat > $TMPC << EOF
6069 _Static_assert(1, "success");
6070 int main(void) {
6071     return 0;
6072 }
6073 EOF
6074 if compile_prog "" "" ; then
6075     have_static_assert=yes
6076 fi
6077
6078 ##########################################
6079 # check for utmpx.h, it is missing e.g. on OpenBSD
6080
6081 have_utmpx=no
6082 cat > $TMPC << EOF
6083 #include <utmpx.h>
6084 struct utmpx user_info;
6085 int main(void) {
6086     return 0;
6087 }
6088 EOF
6089 if compile_prog "" "" ; then
6090     have_utmpx=yes
6091 fi
6092
6093 ##########################################
6094 # check for getrandom()
6095
6096 have_getrandom=no
6097 cat > $TMPC << EOF
6098 #include <sys/random.h>
6099 int main(void) {
6100     return getrandom(0, 0, GRND_NONBLOCK);
6101 }
6102 EOF
6103 if compile_prog "" "" ; then
6104     have_getrandom=yes
6105 fi
6106
6107 ##########################################
6108 # checks for sanitizers
6109
6110 have_asan=no
6111 have_ubsan=no
6112 have_asan_iface_h=no
6113 have_asan_iface_fiber=no
6114
6115 if test "$sanitizers" = "yes" ; then
6116   write_c_skeleton
6117   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6118       have_asan=yes
6119   fi
6120
6121   # we could use a simple skeleton for flags checks, but this also
6122   # detect the static linking issue of ubsan, see also:
6123   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6124   cat > $TMPC << EOF
6125 #include <stdlib.h>
6126 int main(void) {
6127     void *tmp = malloc(10);
6128     if (tmp != NULL) {
6129         return *(int *)(tmp + 2);
6130     }
6131     return 1;
6132 }
6133 EOF
6134   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6135       have_ubsan=yes
6136   fi
6137
6138   if check_include "sanitizer/asan_interface.h" ; then
6139       have_asan_iface_h=yes
6140   fi
6141
6142   cat > $TMPC << EOF
6143 #include <sanitizer/asan_interface.h>
6144 int main(void) {
6145   __sanitizer_start_switch_fiber(0, 0, 0);
6146   return 0;
6147 }
6148 EOF
6149   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6150       have_asan_iface_fiber=yes
6151   fi
6152 fi
6153
6154 ##########################################
6155 # checks for fuzzer
6156 if test "$fuzzing" = "yes" ; then
6157   write_c_fuzzer_skeleton
6158   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
6159     have_fuzzer=yes
6160   else
6161     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
6162     exit 1
6163   fi
6164 fi
6165
6166 # Thread sanitizer is, for now, much noisier than the other sanitizers;
6167 # keep it separate until that is not the case.
6168 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
6169   error_exit "TSAN is not supported with other sanitiziers."
6170 fi
6171 have_tsan=no
6172 have_tsan_iface_fiber=no
6173 if test "$tsan" = "yes" ; then
6174   write_c_skeleton
6175   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6176       have_tsan=yes
6177   fi
6178   cat > $TMPC << EOF
6179 #include <sanitizer/tsan_interface.h>
6180 int main(void) {
6181   __tsan_create_fiber(0);
6182   return 0;
6183 }
6184 EOF
6185   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
6186       have_tsan_iface_fiber=yes
6187   fi
6188 fi
6189
6190 ##########################################
6191 # check for libpmem
6192
6193 if test "$libpmem" != "no"; then
6194         if $pkg_config --exists "libpmem"; then
6195                 libpmem="yes"
6196                 libpmem_libs=$($pkg_config --libs libpmem)
6197                 libpmem_cflags=$($pkg_config --cflags libpmem)
6198                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6199         else
6200                 if test "$libpmem" = "yes" ; then
6201                         feature_not_found "libpmem" "Install nvml or pmdk"
6202                 fi
6203                 libpmem="no"
6204         fi
6205 fi
6206
6207 ##########################################
6208 # check for libdaxctl
6209
6210 if test "$libdaxctl" != "no"; then
6211         if $pkg_config --atleast-version=57 "libdaxctl"; then
6212                 libdaxctl="yes"
6213                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
6214                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
6215                 QEMU_CFLAGS="$QEMU_CFLAGS $libdaxctl_cflags"
6216         else
6217                 if test "$libdaxctl" = "yes" ; then
6218                         feature_not_found "libdaxctl" "Install libdaxctl"
6219                 fi
6220                 libdaxctl="no"
6221         fi
6222 fi
6223
6224 ##########################################
6225 # check for slirp
6226
6227 # slirp is only required when building softmmu targets
6228 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6229     slirp="no"
6230 fi
6231
6232 case "$slirp" in
6233   "" | yes)
6234     if $pkg_config slirp; then
6235       slirp=system
6236     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6237       slirp=git
6238     elif test -e "${source_path}/slirp/Makefile" ; then
6239       slirp=internal
6240     elif test -z "$slirp" ; then
6241       slirp=no
6242     else
6243       feature_not_found "slirp" "Install slirp devel or git submodule"
6244     fi
6245     ;;
6246
6247   system)
6248     if ! $pkg_config slirp; then
6249       feature_not_found "slirp" "Install slirp devel"
6250     fi
6251     ;;
6252 esac
6253
6254 case "$slirp" in
6255   git | internal)
6256     if test "$slirp" = git; then
6257       git_submodules="${git_submodules} slirp"
6258     fi
6259     mkdir -p slirp
6260     slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
6261     slirp_libs="-L$PWD/slirp -lslirp"
6262     if test "$mingw32" = "yes" ; then
6263       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6264     fi
6265     ;;
6266
6267   system)
6268     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6269     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6270     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6271     ;;
6272
6273   no)
6274     ;;
6275   *)
6276     error_exit "Unknown state for slirp: $slirp"
6277     ;;
6278 esac
6279
6280 ##########################################
6281 # check for usable __NR_keyctl syscall
6282
6283 if test "$linux" = "yes" ; then
6284
6285     have_keyring=no
6286     cat > $TMPC << EOF
6287 #include <errno.h>
6288 #include <asm/unistd.h>
6289 #include <linux/keyctl.h>
6290 #include <unistd.h>
6291 int main(void) {
6292     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
6293 }
6294 EOF
6295     if compile_prog "" "" ; then
6296         have_keyring=yes
6297     fi
6298 fi
6299 if test "$secret_keyring" != "no"
6300 then
6301     if test "$have_keyring" = "yes"
6302     then
6303         secret_keyring=yes
6304     else
6305         if test "$secret_keyring" = "yes"
6306         then
6307             error_exit "syscall __NR_keyctl requested, \
6308 but not implemented on your system"
6309         else
6310             secret_keyring=no
6311         fi
6312     fi
6313 fi
6314
6315 ##########################################
6316 # check for usable keyutils.h
6317
6318 if test "$linux" = "yes" ; then
6319
6320     have_keyutils=no
6321     cat > $TMPC << EOF
6322 #include <errno.h>
6323 #include <asm/unistd.h>
6324 #include <unistd.h>
6325 #include <sys/types.h>
6326 #include <keyutils.h>
6327 int main(void) {
6328     return request_key("user", NULL, NULL, 0);
6329 }
6330 EOF
6331     if compile_prog "" "-lkeyutils"; then
6332         have_keyutils=yes
6333     fi
6334 fi
6335
6336
6337 ##########################################
6338 # End of CC checks
6339 # After here, no more $cc or $ld runs
6340
6341 write_c_skeleton
6342
6343 if test "$gcov" = "yes" ; then
6344   :
6345 elif test "$fortify_source" = "yes" ; then
6346   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
6347   debug=no
6348 fi
6349 if test "$debug_info" = "yes"; then
6350   CFLAGS="-g $CFLAGS"
6351   LDFLAGS="-g $LDFLAGS"
6352 fi
6353 if test "$debug" = "no"; then
6354   CFLAGS="-O2 $CFLAGS"
6355 fi
6356
6357 case "$ARCH" in
6358 alpha)
6359   # Ensure there's only a single GP
6360   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
6361 ;;
6362 esac
6363
6364 if test "$gprof" = "yes" ; then
6365   QEMU_CFLAGS="-p $QEMU_CFLAGS"
6366   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
6367 fi
6368
6369 if test "$have_asan" = "yes"; then
6370   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6371   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6372   if test "$have_asan_iface_h" = "no" ; then
6373       echo "ASAN build enabled, but ASAN header missing." \
6374            "Without code annotation, the report may be inferior."
6375   elif test "$have_asan_iface_fiber" = "no" ; then
6376       echo "ASAN build enabled, but ASAN header is too old." \
6377            "Without code annotation, the report may be inferior."
6378   fi
6379 fi
6380 if test "$have_tsan" = "yes" ; then
6381   if test "$have_tsan_iface_fiber" = "yes" ; then
6382     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
6383     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
6384   else
6385     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
6386   fi
6387 elif test "$tsan" = "yes" ; then
6388   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
6389 fi
6390 if test "$have_ubsan" = "yes"; then
6391   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6392   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6393 fi
6394
6395 ##########################################
6396 # Do we have libnfs
6397 if test "$libnfs" != "no" ; then
6398   if $pkg_config --atleast-version=1.9.3 libnfs; then
6399     libnfs="yes"
6400     libnfs_libs=$($pkg_config --libs libnfs)
6401   else
6402     if test "$libnfs" = "yes" ; then
6403       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6404     fi
6405     libnfs="no"
6406   fi
6407 fi
6408
6409 ##########################################
6410 # Do we have libudev
6411 if test "$libudev" != "no" ; then
6412   if $pkg_config libudev && test "$static" != "yes"; then
6413     libudev="yes"
6414     libudev_libs=$($pkg_config --libs libudev)
6415   else
6416     libudev="no"
6417   fi
6418 fi
6419
6420 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6421 if test "$werror" = "yes"; then
6422     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6423 fi
6424
6425 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
6426 if test "$solaris" = "no" && test "$tsan" = "no"; then
6427     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6428         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6429     fi
6430 fi
6431
6432 # test if pod2man has --utf8 option
6433 if pod2man --help | grep -q utf8; then
6434     POD2MAN="pod2man --utf8"
6435 else
6436     POD2MAN="pod2man"
6437 fi
6438
6439 # Use ASLR, no-SEH and DEP if available
6440 if test "$mingw32" = "yes" ; then
6441     for flag in --dynamicbase --no-seh --nxcompat; do
6442         if ld_has $flag ; then
6443             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6444         fi
6445     done
6446 fi
6447
6448 # Disable OpenBSD W^X if available
6449 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6450     cat > $TMPC <<EOF
6451     int main(void) { return 0; }
6452 EOF
6453     wx_ldflags="-Wl,-z,wxneeded"
6454     if compile_prog "" "$wx_ldflags"; then
6455         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6456     fi
6457 fi
6458
6459 qemu_confdir="$sysconfdir/$qemu_suffix"
6460 qemu_moddir="$libdir/$qemu_suffix"
6461 qemu_datadir="$datadir/$qemu_suffix"
6462 qemu_docdir="$docdir/$qemu_suffix"
6463 qemu_localedir="$datadir/locale"
6464 qemu_icondir="$datadir/icons"
6465 qemu_desktopdir="$datadir/applications"
6466
6467 # We can only support ivshmem if we have eventfd
6468 if [ "$eventfd" = "yes" ]; then
6469   ivshmem=yes
6470 fi
6471
6472 if test "$softmmu" = yes ; then
6473   if test "$linux" = yes; then
6474     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6475       virtfs=yes
6476     else
6477       if test "$virtfs" = yes; then
6478         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6479       fi
6480       virtfs=no
6481     fi
6482     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6483       mpath=yes
6484     else
6485       if test "$mpath" = yes; then
6486         error_exit "Multipath requires libmpathpersist devel"
6487       fi
6488       mpath=no
6489     fi
6490   else
6491     if test "$virtfs" = yes; then
6492       error_exit "VirtFS is supported only on Linux"
6493     fi
6494     virtfs=no
6495     if test "$mpath" = yes; then
6496       error_exit "Multipath is supported only on Linux"
6497     fi
6498     mpath=no
6499   fi
6500 fi
6501
6502 # Probe for guest agent support/options
6503
6504 if [ "$guest_agent" != "no" ]; then
6505   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6506       guest_agent=no
6507   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6508       guest_agent=yes
6509   elif [ "$guest_agent" != yes ]; then
6510       guest_agent=no
6511   else
6512       error_exit "Guest agent is not supported on this platform"
6513   fi
6514 fi
6515
6516 # Guest agent Window MSI  package
6517
6518 if test "$guest_agent" != yes; then
6519   if test "$guest_agent_msi" = yes; then
6520     error_exit "MSI guest agent package requires guest agent enabled"
6521   fi
6522   guest_agent_msi=no
6523 elif test "$mingw32" != "yes"; then
6524   if test "$guest_agent_msi" = "yes"; then
6525     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6526   fi
6527   guest_agent_msi=no
6528 elif ! has wixl; then
6529   if test "$guest_agent_msi" = "yes"; then
6530     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6531   fi
6532   guest_agent_msi=no
6533 else
6534   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6535   # disabled explicitly
6536   if test "$guest_agent_msi" != "no"; then
6537     guest_agent_msi=yes
6538   fi
6539 fi
6540
6541 if test "$guest_agent_msi" = "yes"; then
6542   if test "$guest_agent_with_vss" = "yes"; then
6543     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6544   fi
6545
6546   if test "$QEMU_GA_MANUFACTURER" = ""; then
6547     QEMU_GA_MANUFACTURER=QEMU
6548   fi
6549
6550   if test "$QEMU_GA_DISTRO" = ""; then
6551     QEMU_GA_DISTRO=Linux
6552   fi
6553
6554   if test "$QEMU_GA_VERSION" = ""; then
6555       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6556   fi
6557
6558   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6559
6560   case "$cpu" in
6561   x86_64)
6562     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6563     ;;
6564   i386)
6565     QEMU_GA_MSI_ARCH="-D Arch=32"
6566     ;;
6567   *)
6568     error_exit "CPU $cpu not supported for building installation package"
6569     ;;
6570   esac
6571 fi
6572
6573 # Mac OS X ships with a broken assembler
6574 roms=
6575 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6576         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6577         test "$softmmu" = yes ; then
6578     # Different host OS linkers have different ideas about the name of the ELF
6579     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6580     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6581     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6582         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6583             ld_i386_emulation="$emu"
6584             roms="optionrom"
6585             break
6586         fi
6587     done
6588 fi
6589
6590 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6591 if test "$cpu" = "s390x" ; then
6592   write_c_skeleton
6593   if compile_prog "-march=z900" ""; then
6594     roms="$roms s390-ccw"
6595     # SLOF is required for building the s390-ccw firmware on s390x,
6596     # since it is using the libnet code from SLOF for network booting.
6597     if test -e "${source_path}/.git" ; then
6598       git_submodules="${git_submodules} roms/SLOF"
6599     fi
6600   fi
6601 fi
6602
6603 # Check that the C++ compiler exists and works with the C compiler.
6604 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6605 if has $cxx; then
6606     cat > $TMPC <<EOF
6607 int c_function(void);
6608 int main(void) { return c_function(); }
6609 EOF
6610
6611     compile_object
6612
6613     cat > $TMPCXX <<EOF
6614 extern "C" {
6615    int c_function(void);
6616 }
6617 int c_function(void) { return 42; }
6618 EOF
6619
6620     update_cxxflags
6621
6622     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6623         # C++ compiler $cxx works ok with C compiler $cc
6624         :
6625     else
6626         echo "C++ compiler $cxx does not work with C compiler $cc"
6627         echo "Disabling C++ specific optional code"
6628         cxx=
6629     fi
6630 else
6631     echo "No C++ compiler available; disabling C++ specific optional code"
6632     cxx=
6633 fi
6634
6635 echo_version() {
6636     if test "$1" = "yes" ; then
6637         echo "($2)"
6638     fi
6639 }
6640
6641 # prepend ftd flags after all config tests are done
6642 QEMU_CFLAGS="$fdt_cflags $QEMU_CFLAGS"
6643 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6644
6645 config_host_mak="config-host.mak"
6646
6647 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6648
6649 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6650 echo >> $config_host_mak
6651
6652 echo all: >> $config_host_mak
6653 echo "prefix=$prefix" >> $config_host_mak
6654 echo "bindir=$bindir" >> $config_host_mak
6655 echo "libdir=$libdir" >> $config_host_mak
6656 echo "libexecdir=$libexecdir" >> $config_host_mak
6657 echo "includedir=$includedir" >> $config_host_mak
6658 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6659 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6660 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6661 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6662 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6663 if test "$mingw32" = "no" ; then
6664   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6665 fi
6666 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6667 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6668 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6669 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6670 echo "GIT=$git" >> $config_host_mak
6671 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6672 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6673
6674 echo "ARCH=$ARCH" >> $config_host_mak
6675
6676 if test "$default_devices" = "yes" ; then
6677   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6678 else
6679   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6680 fi
6681 if test "$debug_tcg" = "yes" ; then
6682   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6683 fi
6684 if test "$strip_opt" = "yes" ; then
6685   echo "STRIP=${strip}" >> $config_host_mak
6686 fi
6687 if test "$bigendian" = "yes" ; then
6688   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6689 fi
6690 if test "$mingw32" = "yes" ; then
6691   echo "CONFIG_WIN32=y" >> $config_host_mak
6692   rc_version=$(cat $source_path/VERSION)
6693   version_major=${rc_version%%.*}
6694   rc_version=${rc_version#*.}
6695   version_minor=${rc_version%%.*}
6696   rc_version=${rc_version#*.}
6697   version_subminor=${rc_version%%.*}
6698   version_micro=0
6699   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6700   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6701   if test "$guest_agent_with_vss" = "yes" ; then
6702     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6703     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6704     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6705   fi
6706   if test "$guest_agent_ntddscsi" = "yes" ; then
6707     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6708   fi
6709   if test "$guest_agent_msi" = "yes"; then
6710     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6711     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6712     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6713     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6714     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6715     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6716     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6717   fi
6718 else
6719   echo "CONFIG_POSIX=y" >> $config_host_mak
6720 fi
6721
6722 if test "$linux" = "yes" ; then
6723   echo "CONFIG_LINUX=y" >> $config_host_mak
6724 fi
6725
6726 if test "$darwin" = "yes" ; then
6727   echo "CONFIG_DARWIN=y" >> $config_host_mak
6728 fi
6729
6730 if test "$solaris" = "yes" ; then
6731   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6732 fi
6733 if test "$haiku" = "yes" ; then
6734   echo "CONFIG_HAIKU=y" >> $config_host_mak
6735 fi
6736 if test "$static" = "yes" ; then
6737   echo "CONFIG_STATIC=y" >> $config_host_mak
6738 fi
6739 if test "$profiler" = "yes" ; then
6740   echo "CONFIG_PROFILER=y" >> $config_host_mak
6741 fi
6742 if test "$want_tools" = "yes" ; then
6743   echo "CONFIG_TOOLS=y" >> $config_host_mak
6744 fi
6745 if test "$guest_agent" = "yes" ; then
6746   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6747 fi
6748 if test "$slirp" != "no"; then
6749   echo "CONFIG_SLIRP=y" >> $config_host_mak
6750   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6751   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6752   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6753 fi
6754 subdirs=
6755 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6756   subdirs="$subdirs slirp"
6757 fi
6758 if test "$vde" = "yes" ; then
6759   echo "CONFIG_VDE=y" >> $config_host_mak
6760   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6761 fi
6762 if test "$netmap" = "yes" ; then
6763   echo "CONFIG_NETMAP=y" >> $config_host_mak
6764 fi
6765 if test "$l2tpv3" = "yes" ; then
6766   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6767 fi
6768 if test "$gprof" = "yes" ; then
6769   echo "CONFIG_GPROF=y" >> $config_host_mak
6770 fi
6771 if test "$cap_ng" = "yes" ; then
6772   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6773   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6774 fi
6775 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6776 for drv in $audio_drv_list; do
6777     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6778     echo "$def=y" >> $config_host_mak
6779 done
6780 if test "$alsa" = "yes" ; then
6781     echo "CONFIG_ALSA=y" >> $config_host_mak
6782 fi
6783 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6784 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6785 if test "$libpulse" = "yes" ; then
6786     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6787 fi
6788 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6789 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6790 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6791 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6792 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6793 if test "$libjack" = "yes" ; then
6794     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6795 fi
6796 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6797 if test "$audio_win_int" = "yes" ; then
6798   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6799 fi
6800 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6801 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6802 if test "$xfs" = "yes" ; then
6803   echo "CONFIG_XFS=y" >> $config_host_mak
6804 fi
6805 qemu_version=$(head $source_path/VERSION)
6806 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6807 echo "SRC_PATH=$source_path" >> $config_host_mak
6808 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6809 if [ "$docs" = "yes" ] ; then
6810   echo "BUILD_DOCS=yes" >> $config_host_mak
6811 fi
6812 if test "$modules" = "yes"; then
6813   # $shacmd can generate a hash started with digit, which the compiler doesn't
6814   # like as an symbol. So prefix it with an underscore
6815   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6816   echo "CONFIG_MODULES=y" >> $config_host_mak
6817 fi
6818 if test "$module_upgrades" = "yes"; then
6819   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6820 fi
6821 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6822   echo "CONFIG_X11=y" >> $config_host_mak
6823   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6824   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6825 fi
6826 if test "$cocoa" = "yes" ; then
6827   echo "CONFIG_COCOA=y" >> $config_host_mak
6828 fi
6829 if test "$iconv" = "yes" ; then
6830   echo "CONFIG_ICONV=y" >> $config_host_mak
6831   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6832   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6833 fi
6834 if test "$curses" = "yes" ; then
6835   echo "CONFIG_CURSES=y" >> $config_host_mak
6836   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6837   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6838 fi
6839 if test "$pipe2" = "yes" ; then
6840   echo "CONFIG_PIPE2=y" >> $config_host_mak
6841 fi
6842 if test "$accept4" = "yes" ; then
6843   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6844 fi
6845 if test "$splice" = "yes" ; then
6846   echo "CONFIG_SPLICE=y" >> $config_host_mak
6847 fi
6848 if test "$eventfd" = "yes" ; then
6849   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6850 fi
6851 if test "$memfd" = "yes" ; then
6852   echo "CONFIG_MEMFD=y" >> $config_host_mak
6853 fi
6854 if test "$have_usbfs" = "yes" ; then
6855   echo "CONFIG_USBFS=y" >> $config_host_mak
6856 fi
6857 if test "$fallocate" = "yes" ; then
6858   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6859 fi
6860 if test "$fallocate_punch_hole" = "yes" ; then
6861   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6862 fi
6863 if test "$fallocate_zero_range" = "yes" ; then
6864   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6865 fi
6866 if test "$posix_fallocate" = "yes" ; then
6867   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6868 fi
6869 if test "$sync_file_range" = "yes" ; then
6870   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6871 fi
6872 if test "$fiemap" = "yes" ; then
6873   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6874 fi
6875 if test "$dup3" = "yes" ; then
6876   echo "CONFIG_DUP3=y" >> $config_host_mak
6877 fi
6878 if test "$ppoll" = "yes" ; then
6879   echo "CONFIG_PPOLL=y" >> $config_host_mak
6880 fi
6881 if test "$prctl_pr_set_timerslack" = "yes" ; then
6882   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6883 fi
6884 if test "$epoll" = "yes" ; then
6885   echo "CONFIG_EPOLL=y" >> $config_host_mak
6886 fi
6887 if test "$epoll_create1" = "yes" ; then
6888   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6889 fi
6890 if test "$sendfile" = "yes" ; then
6891   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6892 fi
6893 if test "$timerfd" = "yes" ; then
6894   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6895 fi
6896 if test "$setns" = "yes" ; then
6897   echo "CONFIG_SETNS=y" >> $config_host_mak
6898 fi
6899 if test "$clock_adjtime" = "yes" ; then
6900   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6901 fi
6902 if test "$syncfs" = "yes" ; then
6903   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6904 fi
6905 if test "$kcov" = "yes" ; then
6906   echo "CONFIG_KCOV=y" >> $config_host_mak
6907 fi
6908 if test "$btrfs" = "yes" ; then
6909   echo "CONFIG_BTRFS=y" >> $config_host_mak
6910 fi
6911 if test "$inotify" = "yes" ; then
6912   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6913 fi
6914 if test "$inotify1" = "yes" ; then
6915   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6916 fi
6917 if test "$sem_timedwait" = "yes" ; then
6918   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6919 fi
6920 if test "$strchrnul" = "yes" ; then
6921   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6922 fi
6923 if test "$st_atim" = "yes" ; then
6924   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6925 fi
6926 if test "$byteswap_h" = "yes" ; then
6927   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6928 fi
6929 if test "$bswap_h" = "yes" ; then
6930   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6931 fi
6932 if test "$curl" = "yes" ; then
6933   echo "CONFIG_CURL=y" >> $config_host_mak
6934   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6935   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6936 fi
6937 if test "$brlapi" = "yes" ; then
6938   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6939   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6940 fi
6941 if test "$gtk" = "yes" ; then
6942   echo "CONFIG_GTK=y" >> $config_host_mak
6943   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6944   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6945   if test "$gtk_gl" = "yes" ; then
6946     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6947   fi
6948 fi
6949 if test "$gio" = "yes" ; then
6950     echo "CONFIG_GIO=y" >> $config_host_mak
6951     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6952     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6953     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6954 fi
6955 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6956 if test "$gnutls" = "yes" ; then
6957   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6958   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6959   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6960 fi
6961 if test "$gcrypt" = "yes" ; then
6962   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6963   if test "$gcrypt_hmac" = "yes" ; then
6964     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6965   fi
6966   echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6967   echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6968 fi
6969 if test "$nettle" = "yes" ; then
6970   echo "CONFIG_NETTLE=y" >> $config_host_mak
6971   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6972   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6973   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6974 fi
6975 if test "$qemu_private_xts" = "yes" ; then
6976   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6977 fi
6978 if test "$tasn1" = "yes" ; then
6979   echo "CONFIG_TASN1=y" >> $config_host_mak
6980 fi
6981 if test "$auth_pam" = "yes" ; then
6982     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6983 fi
6984 if test "$have_ifaddrs_h" = "yes" ; then
6985     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6986 fi
6987 if test "$have_drm_h" = "yes" ; then
6988   echo "HAVE_DRM_H=y" >> $config_host_mak
6989 fi
6990 if test "$have_broken_size_max" = "yes" ; then
6991     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6992 fi
6993 if test "$have_openpty" = "yes" ; then
6994     echo "HAVE_OPENPTY=y" >> $config_host_mak
6995 fi
6996 if test "$have_sys_signal_h" = "yes" ; then
6997     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6998 fi
6999
7000 # Work around a system header bug with some kernel/XFS header
7001 # versions where they both try to define 'struct fsxattr':
7002 # xfs headers will not try to redefine structs from linux headers
7003 # if this macro is set.
7004 if test "$have_fsxattr" = "yes" ; then
7005     echo "HAVE_FSXATTR=y" >> $config_host_mak
7006 fi
7007 if test "$have_copy_file_range" = "yes" ; then
7008     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7009 fi
7010 if test "$vte" = "yes" ; then
7011   echo "CONFIG_VTE=y" >> $config_host_mak
7012   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7013   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7014 fi
7015 if test "$virglrenderer" = "yes" ; then
7016   echo "CONFIG_VIRGL=y" >> $config_host_mak
7017   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7018   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7019 fi
7020 if test "$xen" = "yes" ; then
7021   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7022   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7023   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
7024   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
7025 fi
7026 if test "$linux_aio" = "yes" ; then
7027   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7028 fi
7029 if test "$linux_io_uring" = "yes" ; then
7030   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7031   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7032   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7033 fi
7034 if test "$attr" = "yes" ; then
7035   echo "CONFIG_ATTR=y" >> $config_host_mak
7036   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
7037 fi
7038 if test "$libattr" = "yes" ; then
7039   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7040 fi
7041 if test "$virtfs" = "yes" ; then
7042   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7043 fi
7044 if test "$mpath" = "yes" ; then
7045   echo "CONFIG_MPATH=y" >> $config_host_mak
7046   if test "$mpathpersist_new_api" = "yes"; then
7047     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7048   fi
7049 fi
7050 if test "$vhost_scsi" = "yes" ; then
7051   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7052 fi
7053 if test "$vhost_net" = "yes" ; then
7054   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7055 fi
7056 if test "$vhost_net_user" = "yes" ; then
7057   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7058 fi
7059 if test "$vhost_net_vdpa" = "yes" ; then
7060   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
7061 fi
7062 if test "$vhost_crypto" = "yes" ; then
7063   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7064 fi
7065 if test "$vhost_vsock" = "yes" ; then
7066   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7067   if test "$vhost_user" = "yes" ; then
7068     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
7069   fi
7070 fi
7071 if test "$vhost_kernel" = "yes" ; then
7072   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7073 fi
7074 if test "$vhost_user" = "yes" ; then
7075   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7076 fi
7077 if test "$vhost_vdpa" = "yes" ; then
7078   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
7079 fi
7080 if test "$vhost_user_fs" = "yes" ; then
7081   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7082 fi
7083 if test "$blobs" = "yes" ; then
7084   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7085 fi
7086 if test "$iovec" = "yes" ; then
7087   echo "CONFIG_IOVEC=y" >> $config_host_mak
7088 fi
7089 if test "$preadv" = "yes" ; then
7090   echo "CONFIG_PREADV=y" >> $config_host_mak
7091 fi
7092 if test "$fdt" != "no" ; then
7093   echo "CONFIG_FDT=y" >> $config_host_mak
7094   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
7095   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
7096 fi
7097 if test "$membarrier" = "yes" ; then
7098   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7099 fi
7100 if test "$signalfd" = "yes" ; then
7101   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7102 fi
7103 if test "$optreset" = "yes" ; then
7104   echo "HAVE_OPTRESET=y" >> $config_host_mak
7105 fi
7106 if test "$tcg" = "yes"; then
7107   echo "CONFIG_TCG=y" >> $config_host_mak
7108   if test "$tcg_interpreter" = "yes" ; then
7109     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7110   fi
7111 fi
7112 if test "$fdatasync" = "yes" ; then
7113   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7114 fi
7115 if test "$madvise" = "yes" ; then
7116   echo "CONFIG_MADVISE=y" >> $config_host_mak
7117 fi
7118 if test "$posix_madvise" = "yes" ; then
7119   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7120 fi
7121 if test "$posix_memalign" = "yes" ; then
7122   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7123 fi
7124 if test "$spice" = "yes" ; then
7125   echo "CONFIG_SPICE=y" >> $config_host_mak
7126   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
7127   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
7128 fi
7129
7130 if test "$smartcard" = "yes" ; then
7131   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7132   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7133   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7134 fi
7135
7136 if test "$libusb" = "yes" ; then
7137   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7138   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7139   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7140 fi
7141
7142 if test "$usb_redir" = "yes" ; then
7143   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7144   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7145   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7146 fi
7147
7148 if test "$opengl" = "yes" ; then
7149   echo "CONFIG_OPENGL=y" >> $config_host_mak
7150   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7151   if test "$opengl_dmabuf" = "yes" ; then
7152     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7153   fi
7154 fi
7155
7156 if test "$gbm" = "yes" ; then
7157     echo "CONFIG_GBM=y" >> $config_host_mak
7158     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7159     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7160 fi
7161
7162
7163 if test "$malloc_trim" = "yes" ; then
7164   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7165 fi
7166
7167 if test "$avx2_opt" = "yes" ; then
7168   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7169 fi
7170
7171 if test "$avx512f_opt" = "yes" ; then
7172   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
7173 fi
7174
7175 if test "$lzo" = "yes" ; then
7176   echo "CONFIG_LZO=y" >> $config_host_mak
7177   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
7178 fi
7179
7180 if test "$snappy" = "yes" ; then
7181   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7182   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
7183 fi
7184
7185 if test "$bzip2" = "yes" ; then
7186   echo "CONFIG_BZIP2=y" >> $config_host_mak
7187   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7188 fi
7189
7190 if test "$lzfse" = "yes" ; then
7191   echo "CONFIG_LZFSE=y" >> $config_host_mak
7192   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7193 fi
7194
7195 if test "$zstd" = "yes" ; then
7196   echo "CONFIG_ZSTD=y" >> $config_host_mak
7197   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
7198   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
7199 fi
7200
7201 if test "$libiscsi" = "yes" ; then
7202   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
7203   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7204   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7205 fi
7206
7207 if test "$libnfs" = "yes" ; then
7208   echo "CONFIG_LIBNFS=y" >> $config_host_mak
7209   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7210 fi
7211
7212 if test "$seccomp" = "yes"; then
7213   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7214   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7215   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7216 fi
7217
7218 # XXX: suppress that
7219 if [ "$bsd" = "yes" ] ; then
7220   echo "CONFIG_BSD=y" >> $config_host_mak
7221 fi
7222
7223 if test "$localtime_r" = "yes" ; then
7224   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7225 fi
7226 if test "$qom_cast_debug" = "yes" ; then
7227   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7228 fi
7229 if test "$rbd" = "yes" ; then
7230   echo "CONFIG_RBD=y" >> $config_host_mak
7231   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7232 fi
7233
7234 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7235 if test "$coroutine_pool" = "yes" ; then
7236   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7237 else
7238   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7239 fi
7240
7241 if test "$debug_stack_usage" = "yes" ; then
7242   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7243 fi
7244
7245 if test "$crypto_afalg" = "yes" ; then
7246   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7247 fi
7248
7249 if test "$open_by_handle_at" = "yes" ; then
7250   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7251 fi
7252
7253 if test "$linux_magic_h" = "yes" ; then
7254   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7255 fi
7256
7257 if test "$valgrind_h" = "yes" ; then
7258   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7259 fi
7260
7261 if test "$have_asan_iface_fiber" = "yes" ; then
7262     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7263 fi
7264
7265 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
7266     echo "CONFIG_TSAN=y" >> $config_host_mak
7267 fi
7268
7269 if test "$has_environ" = "yes" ; then
7270   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7271 fi
7272
7273 if test "$cpuid_h" = "yes" ; then
7274   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7275 fi
7276
7277 if test "$int128" = "yes" ; then
7278   echo "CONFIG_INT128=y" >> $config_host_mak
7279 fi
7280
7281 if test "$atomic128" = "yes" ; then
7282   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7283 fi
7284
7285 if test "$cmpxchg128" = "yes" ; then
7286   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7287 fi
7288
7289 if test "$atomic64" = "yes" ; then
7290   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7291 fi
7292
7293 if test "$attralias" = "yes" ; then
7294   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7295 fi
7296
7297 if test "$getauxval" = "yes" ; then
7298   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7299 fi
7300
7301 if test "$glusterfs" = "yes" ; then
7302   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
7303   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7304   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7305 fi
7306
7307 if test "$glusterfs_xlator_opt" = "yes" ; then
7308   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7309 fi
7310
7311 if test "$glusterfs_discard" = "yes" ; then
7312   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7313 fi
7314
7315 if test "$glusterfs_fallocate" = "yes" ; then
7316   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7317 fi
7318
7319 if test "$glusterfs_zerofill" = "yes" ; then
7320   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7321 fi
7322
7323 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7324   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7325 fi
7326
7327 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7328   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7329 fi
7330
7331 if test "$libssh" = "yes" ; then
7332   echo "CONFIG_LIBSSH=y" >> $config_host_mak
7333   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7334   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7335 fi
7336
7337 if test "$live_block_migration" = "yes" ; then
7338   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7339 fi
7340
7341 if test "$tpm" = "yes"; then
7342   echo 'CONFIG_TPM=y' >> $config_host_mak
7343 fi
7344
7345 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7346 if have_backend "nop"; then
7347   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7348 fi
7349 if have_backend "simple"; then
7350   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7351   # Set the appropriate trace file.
7352   trace_file="\"$trace_file-\" FMT_pid"
7353 fi
7354 if have_backend "log"; then
7355   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7356 fi
7357 if have_backend "ust"; then
7358   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7359   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
7360   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
7361 fi
7362 if have_backend "dtrace"; then
7363   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7364   if test "$trace_backend_stap" = "yes" ; then
7365     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7366   fi
7367 fi
7368 if have_backend "ftrace"; then
7369   if test "$linux" = "yes" ; then
7370     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7371   else
7372     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7373   fi
7374 fi
7375 if have_backend "syslog"; then
7376   if test "$posix_syslog" = "yes" ; then
7377     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7378   else
7379     feature_not_found "syslog(trace backend)" "syslog not available"
7380   fi
7381 fi
7382 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7383
7384 if test "$rdma" = "yes" ; then
7385   echo "CONFIG_RDMA=y" >> $config_host_mak
7386   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7387 fi
7388
7389 if test "$pvrdma" = "yes" ; then
7390   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7391 fi
7392
7393 if test "$have_rtnetlink" = "yes" ; then
7394   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7395 fi
7396
7397 if test "$libxml2" = "yes" ; then
7398   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7399   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7400   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7401 fi
7402
7403 if test "$replication" = "yes" ; then
7404   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7405 fi
7406
7407 if test "$have_af_vsock" = "yes" ; then
7408   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7409 fi
7410
7411 if test "$have_sysmacros" = "yes" ; then
7412   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7413 fi
7414
7415 if test "$have_static_assert" = "yes" ; then
7416   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7417 fi
7418
7419 if test "$have_utmpx" = "yes" ; then
7420   echo "HAVE_UTMPX=y" >> $config_host_mak
7421 fi
7422 if test "$have_getrandom" = "yes" ; then
7423   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7424 fi
7425 if test "$ivshmem" = "yes" ; then
7426   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7427 fi
7428 if test "$capstone" != "no" ; then
7429   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7430   echo "CAPSTONE_CFLAGS=$capstone_cflags" >> $config_host_mak
7431   echo "CAPSTONE_LIBS=$capstone_libs" >> $config_host_mak
7432 fi
7433 if test "$debug_mutex" = "yes" ; then
7434   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7435 fi
7436
7437 # Hold two types of flag:
7438 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7439 #                                     a thread we have a handle to
7440 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7441 #                                     platform
7442 if test "$pthread_setname_np_w_tid" = "yes" ; then
7443   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7444   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7445 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7446   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7447   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7448 fi
7449
7450 if test "$libpmem" = "yes" ; then
7451   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7452   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
7453   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
7454 fi
7455
7456 if test "$libdaxctl" = "yes" ; then
7457   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
7458   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
7459 fi
7460
7461 if test "$bochs" = "yes" ; then
7462   echo "CONFIG_BOCHS=y" >> $config_host_mak
7463 fi
7464 if test "$cloop" = "yes" ; then
7465   echo "CONFIG_CLOOP=y" >> $config_host_mak
7466 fi
7467 if test "$dmg" = "yes" ; then
7468   echo "CONFIG_DMG=y" >> $config_host_mak
7469 fi
7470 if test "$qcow1" = "yes" ; then
7471   echo "CONFIG_QCOW1=y" >> $config_host_mak
7472 fi
7473 if test "$vdi" = "yes" ; then
7474   echo "CONFIG_VDI=y" >> $config_host_mak
7475 fi
7476 if test "$vvfat" = "yes" ; then
7477   echo "CONFIG_VVFAT=y" >> $config_host_mak
7478 fi
7479 if test "$qed" = "yes" ; then
7480   echo "CONFIG_QED=y" >> $config_host_mak
7481 fi
7482 if test "$parallels" = "yes" ; then
7483   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7484 fi
7485 if test "$sheepdog" = "yes" ; then
7486   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7487 fi
7488 if test "$pty_h" = "yes" ; then
7489   echo "HAVE_PTY_H=y" >> $config_host_mak
7490 fi
7491 if test "$have_mlockall" = "yes" ; then
7492   echo "HAVE_MLOCKALL=y" >> $config_host_mak
7493 fi
7494 if test "$fuzzing" = "yes" ; then
7495   QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
7496 fi
7497
7498 if test "$plugins" = "yes" ; then
7499     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7500     LIBS="-ldl $LIBS"
7501     # Copy the export object list to the build dir
7502     if test "$ld_dynamic_list" = "yes" ; then
7503         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7504         ld_symbols=qemu-plugins-ld.symbols
7505         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7506     elif test "$ld_exported_symbols_list" = "yes" ; then
7507         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7508         ld64_symbols=qemu-plugins-ld64.symbols
7509         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7510         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7511             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7512     else
7513         error_exit \
7514             "If \$plugins=yes, either \$ld_dynamic_list or " \
7515             "\$ld_exported_symbols_list should have been set to 'yes'."
7516     fi
7517 fi
7518
7519 if test -n "$gdb_bin" ; then
7520     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7521 fi
7522
7523 if test "$secret_keyring" = "yes" ; then
7524   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7525   if test "$have_keyutils" = "yes" ; then
7526     echo "CONFIG_TEST_SECRET_KEYRING=y" >> $config_host_mak
7527   fi
7528 fi
7529
7530 if test "$tcg_interpreter" = "yes"; then
7531   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7532 elif test "$ARCH" = "sparc64" ; then
7533   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7534 elif test "$ARCH" = "s390x" ; then
7535   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7536 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7537   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7538 elif test "$ARCH" = "ppc64" ; then
7539   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7540 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7541   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7542 else
7543   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7544 fi
7545
7546 echo "ROMS=$roms" >> $config_host_mak
7547 echo "MAKE=$make" >> $config_host_mak
7548 echo "INSTALL=$install" >> $config_host_mak
7549 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7550 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7551 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7552 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7553 echo "PYTHON=$python" >> $config_host_mak
7554 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7555 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7556 echo "MESON=$meson" >> $config_host_mak
7557 echo "CC=$cc" >> $config_host_mak
7558 if $iasl -h > /dev/null 2>&1; then
7559   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7560 fi
7561 echo "CXX=$cxx" >> $config_host_mak
7562 echo "OBJCC=$objcc" >> $config_host_mak
7563 echo "AR=$ar" >> $config_host_mak
7564 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7565 echo "AS=$as" >> $config_host_mak
7566 echo "CCAS=$ccas" >> $config_host_mak
7567 echo "CPP=$cpp" >> $config_host_mak
7568 echo "OBJCOPY=$objcopy" >> $config_host_mak
7569 echo "LD=$ld" >> $config_host_mak
7570 echo "RANLIB=$ranlib" >> $config_host_mak
7571 echo "NM=$nm" >> $config_host_mak
7572 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7573 echo "WINDRES=$windres" >> $config_host_mak
7574 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7575 echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
7576 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7577 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7578 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7579 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7580 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7581 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7582 if test "$sparse" = "yes" ; then
7583   echo "SPARSE_CFLAGS = -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7584 fi
7585 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7586 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7587 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7588 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7589 echo "LIBS+=$LIBS" >> $config_host_mak
7590 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7591 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7592 echo "EXESUF=$EXESUF" >> $config_host_mak
7593 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7594 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7595 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7596 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7597 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7598 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7599 if test "$gcov" = "yes" ; then
7600   echo "CONFIG_GCOV=y" >> $config_host_mak
7601 fi
7602
7603 if test "$libudev" != "no"; then
7604     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7605     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7606 fi
7607 if test "$fuzzing" != "no"; then
7608     echo "CONFIG_FUZZ=y" >> $config_host_mak
7609 fi
7610
7611 if test "$edk2_blobs" = "yes" ; then
7612   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7613 fi
7614
7615 if test "$rng_none" = "yes"; then
7616   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7617 fi
7618
7619 # use included Linux headers
7620 if test "$linux" = "yes" ; then
7621   mkdir -p linux-headers
7622   case "$cpu" in
7623   i386|x86_64|x32)
7624     linux_arch=x86
7625     ;;
7626   ppc|ppc64|ppc64le)
7627     linux_arch=powerpc
7628     ;;
7629   s390x)
7630     linux_arch=s390
7631     ;;
7632   aarch64)
7633     linux_arch=arm64
7634     ;;
7635   mips64)
7636     linux_arch=mips
7637     ;;
7638   *)
7639     # For most CPUs the kernel architecture name and QEMU CPU name match.
7640     linux_arch="$cpu"
7641     ;;
7642   esac
7643     # For non-KVM architectures we will not have asm headers
7644     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7645       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7646     fi
7647 fi
7648
7649 for target in $target_list; do
7650 target_dir="$target"
7651 config_target_mak=$target_dir/config-target.mak
7652 target_name=$(echo $target | cut -d '-' -f 1)
7653 target_aligned_only="no"
7654 case "$target_name" in
7655   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7656   target_aligned_only="yes"
7657   ;;
7658 esac
7659 target_bigendian="no"
7660 case "$target_name" in
7661   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7662   target_bigendian="yes"
7663   ;;
7664 esac
7665 target_softmmu="no"
7666 target_user_only="no"
7667 target_linux_user="no"
7668 target_bsd_user="no"
7669 case "$target" in
7670   ${target_name}-softmmu)
7671     target_softmmu="yes"
7672     ;;
7673   ${target_name}-linux-user)
7674     target_user_only="yes"
7675     target_linux_user="yes"
7676     ;;
7677   ${target_name}-bsd-user)
7678     target_user_only="yes"
7679     target_bsd_user="yes"
7680     ;;
7681   *)
7682     error_exit "Target '$target' not recognised"
7683     exit 1
7684     ;;
7685 esac
7686
7687 mkdir -p $target_dir
7688 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7689
7690 bflt="no"
7691 mttcg="no"
7692 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7693 gdb_xml_files=""
7694
7695 TARGET_ARCH="$target_name"
7696 TARGET_BASE_ARCH=""
7697 TARGET_ABI_DIR=""
7698 TARGET_SYSTBL_ABI=""
7699 TARGET_SYSTBL=""
7700
7701 case "$target_name" in
7702   i386)
7703     mttcg="yes"
7704         gdb_xml_files="i386-32bit.xml"
7705     TARGET_SYSTBL_ABI=i386
7706     TARGET_SYSTBL=syscall_32.tbl
7707   ;;
7708   x86_64)
7709     TARGET_BASE_ARCH=i386
7710     TARGET_SYSTBL_ABI=common,64
7711     TARGET_SYSTBL=syscall_64.tbl
7712     mttcg="yes"
7713     gdb_xml_files="i386-64bit.xml"
7714   ;;
7715   alpha)
7716     mttcg="yes"
7717     TARGET_SYSTBL_ABI=common
7718   ;;
7719   arm|armeb)
7720     TARGET_ARCH=arm
7721     TARGET_SYSTBL_ABI=common,oabi
7722     bflt="yes"
7723     mttcg="yes"
7724     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
7725   ;;
7726   aarch64|aarch64_be)
7727     TARGET_ARCH=aarch64
7728     TARGET_BASE_ARCH=arm
7729     bflt="yes"
7730     mttcg="yes"
7731     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"
7732   ;;
7733   avr)
7734     gdb_xml_files="avr-cpu.xml"
7735     target_compiler=$cross_cc_avr
7736   ;;
7737   cris)
7738   ;;
7739   hppa)
7740     mttcg="yes"
7741     TARGET_SYSTBL_ABI=common,32
7742   ;;
7743   lm32)
7744   ;;
7745   m68k)
7746     bflt="yes"
7747     gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
7748     TARGET_SYSTBL_ABI=common
7749   ;;
7750   microblaze|microblazeel)
7751     TARGET_ARCH=microblaze
7752     TARGET_SYSTBL_ABI=common
7753     mttcg="yes"
7754     bflt="yes"
7755     echo "TARGET_ABI32=y" >> $config_target_mak
7756   ;;
7757   mips|mipsel)
7758     mttcg="yes"
7759     TARGET_ARCH=mips
7760     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7761     TARGET_SYSTBL_ABI=o32
7762     TARGET_SYSTBL=syscall_o32.tbl
7763   ;;
7764   mipsn32|mipsn32el)
7765     mttcg="yes"
7766     TARGET_ARCH=mips64
7767     TARGET_BASE_ARCH=mips
7768     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7769     echo "TARGET_ABI32=y" >> $config_target_mak
7770     TARGET_SYSTBL_ABI=n32
7771     TARGET_SYSTBL=syscall_n32.tbl
7772   ;;
7773   mips64|mips64el)
7774     mttcg="no"
7775     TARGET_ARCH=mips64
7776     TARGET_BASE_ARCH=mips
7777     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7778     TARGET_SYSTBL_ABI=n64
7779     TARGET_SYSTBL=syscall_n64.tbl
7780   ;;
7781   moxie)
7782   ;;
7783   nios2)
7784   ;;
7785   or1k)
7786     TARGET_ARCH=openrisc
7787     TARGET_BASE_ARCH=openrisc
7788   ;;
7789   ppc)
7790     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7791     TARGET_SYSTBL_ABI=common,nospu,32
7792   ;;
7793   ppc64)
7794     TARGET_BASE_ARCH=ppc
7795     TARGET_ABI_DIR=ppc
7796     TARGET_SYSTBL_ABI=common,nospu,64
7797     mttcg=yes
7798     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7799   ;;
7800   ppc64le)
7801     TARGET_ARCH=ppc64
7802     TARGET_BASE_ARCH=ppc
7803     TARGET_ABI_DIR=ppc
7804     TARGET_SYSTBL_ABI=common,nospu,64
7805     mttcg=yes
7806     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7807   ;;
7808   ppc64abi32)
7809     TARGET_ARCH=ppc64
7810     TARGET_BASE_ARCH=ppc
7811     TARGET_ABI_DIR=ppc
7812     TARGET_SYSTBL_ABI=common,nospu,32
7813     echo "TARGET_ABI32=y" >> $config_target_mak
7814     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7815   ;;
7816   riscv32)
7817     TARGET_BASE_ARCH=riscv
7818     TARGET_ABI_DIR=riscv
7819     mttcg=yes
7820     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7821   ;;
7822   riscv64)
7823     TARGET_BASE_ARCH=riscv
7824     TARGET_ABI_DIR=riscv
7825     mttcg=yes
7826     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7827   ;;
7828   rx)
7829     TARGET_ARCH=rx
7830     bflt="yes"
7831     target_compiler=$cross_cc_rx
7832     gdb_xml_files="rx-core.xml"
7833   ;;
7834   sh4|sh4eb)
7835     TARGET_ARCH=sh4
7836     TARGET_SYSTBL_ABI=common
7837     bflt="yes"
7838   ;;
7839   sparc)
7840     TARGET_SYSTBL_ABI=common,32
7841   ;;
7842   sparc64)
7843     TARGET_BASE_ARCH=sparc
7844     TARGET_SYSTBL_ABI=common,64
7845   ;;
7846   sparc32plus)
7847     TARGET_ARCH=sparc64
7848     TARGET_BASE_ARCH=sparc
7849     TARGET_ABI_DIR=sparc
7850     TARGET_SYSTBL_ABI=common,32
7851     echo "TARGET_ABI32=y" >> $config_target_mak
7852   ;;
7853   s390x)
7854     TARGET_SYSTBL_ABI=common,64
7855     mttcg=yes
7856     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7857   ;;
7858   tilegx)
7859   ;;
7860   tricore)
7861   ;;
7862   unicore32)
7863   ;;
7864   xtensa|xtensaeb)
7865     TARGET_ARCH=xtensa
7866     TARGET_SYSTBL_ABI=common
7867     bflt="yes"
7868     mttcg="yes"
7869   ;;
7870   *)
7871     error_exit "Unsupported target CPU"
7872   ;;
7873 esac
7874 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7875 if [ "$TARGET_BASE_ARCH" = "" ]; then
7876   TARGET_BASE_ARCH=$TARGET_ARCH
7877 fi
7878 if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
7879   TARGET_SYSTBL=syscall.tbl
7880 fi
7881
7882 upper() {
7883     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7884 }
7885
7886 target_arch_name="$(upper $TARGET_ARCH)"
7887 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7888 echo "TARGET_NAME=$target_name" >> $config_target_mak
7889 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7890 if [ "$TARGET_ABI_DIR" = "" ]; then
7891   TARGET_ABI_DIR=$TARGET_ARCH
7892 fi
7893 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7894 if [ "$HOST_VARIANT_DIR" != "" ]; then
7895     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7896 fi
7897 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7898     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7899     echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
7900 fi
7901
7902 if supported_xen_target $target; then
7903     echo "CONFIG_XEN=y" >> $config_target_mak
7904     if test "$xen_pci_passthrough" = yes; then
7905         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7906     fi
7907 fi
7908 if supported_kvm_target $target; then
7909     echo "CONFIG_KVM=y" >> $config_target_mak
7910 fi
7911 if supported_hax_target $target; then
7912     echo "CONFIG_HAX=y" >> $config_target_mak
7913 fi
7914 if supported_hvf_target $target; then
7915     echo "CONFIG_HVF=y" >> $config_target_mak
7916 fi
7917 if supported_whpx_target $target; then
7918     echo "CONFIG_WHPX=y" >> $config_target_mak
7919 fi
7920 if test "$target_aligned_only" = "yes" ; then
7921   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7922 fi
7923 if test "$target_bigendian" = "yes" ; then
7924   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7925 fi
7926 if test "$target_softmmu" = "yes" ; then
7927   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7928   if test "$mttcg" = "yes" ; then
7929     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7930   fi
7931 fi
7932 if test "$target_user_only" = "yes" ; then
7933   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7934   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7935   symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
7936 else
7937   symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
7938 fi
7939 if test "$target_linux_user" = "yes" ; then
7940   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7941 fi
7942 list=""
7943 if test ! -z "$gdb_xml_files" ; then
7944   for x in $gdb_xml_files; do
7945     list="$list gdb-xml/$x"
7946   done
7947   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7948 fi
7949
7950 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7951   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7952 fi
7953 if test "$target_bsd_user" = "yes" ; then
7954   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7955 fi
7956
7957
7958 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7959
7960 disas_config() {
7961   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7962   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7963 }
7964
7965 for i in $ARCH $TARGET_BASE_ARCH ; do
7966   case "$i" in
7967   alpha)
7968     disas_config "ALPHA"
7969   ;;
7970   aarch64)
7971     if test -n "${cxx}"; then
7972       disas_config "ARM_A64"
7973     fi
7974   ;;
7975   arm)
7976     disas_config "ARM"
7977     if test -n "${cxx}"; then
7978       disas_config "ARM_A64"
7979     fi
7980   ;;
7981   avr)
7982     disas_config "AVR"
7983   ;;
7984   cris)
7985     disas_config "CRIS"
7986   ;;
7987   hppa)
7988     disas_config "HPPA"
7989   ;;
7990   i386|x86_64|x32)
7991     disas_config "I386"
7992   ;;
7993   lm32)
7994     disas_config "LM32"
7995   ;;
7996   m68k)
7997     disas_config "M68K"
7998   ;;
7999   microblaze*)
8000     disas_config "MICROBLAZE"
8001   ;;
8002   mips*)
8003     disas_config "MIPS"
8004     if test -n "${cxx}"; then
8005       disas_config "NANOMIPS"
8006     fi
8007   ;;
8008   moxie*)
8009     disas_config "MOXIE"
8010   ;;
8011   nios2)
8012     disas_config "NIOS2"
8013   ;;
8014   or1k)
8015     disas_config "OPENRISC"
8016   ;;
8017   ppc*)
8018     disas_config "PPC"
8019   ;;
8020   riscv*)
8021     disas_config "RISCV"
8022   ;;
8023   rx)
8024     disas_config "RX"
8025   ;;
8026   s390*)
8027     disas_config "S390"
8028   ;;
8029   sh4)
8030     disas_config "SH4"
8031   ;;
8032   sparc*)
8033     disas_config "SPARC"
8034   ;;
8035   xtensa*)
8036     disas_config "XTENSA"
8037   ;;
8038   esac
8039 done
8040 if test "$tcg_interpreter" = "yes" ; then
8041   disas_config "TCI"
8042 fi
8043
8044 done # for target in $targets
8045
8046 if [ "$fdt" = "git" ]; then
8047   subdirs="$subdirs dtc"
8048 fi
8049 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8050   subdirs="$subdirs capstone"
8051 fi
8052 echo "SUBDIRS=$subdirs" >> $config_host_mak
8053 if test -n "$LIBCAPSTONE"; then
8054   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8055 fi
8056
8057 if test "$numa" = "yes"; then
8058   echo "CONFIG_NUMA=y" >> $config_host_mak
8059   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
8060 fi
8061
8062 if test "$ccache_cpp2" = "yes"; then
8063   echo "export CCACHE_CPP2=y" >> $config_host_mak
8064 fi
8065
8066 if test "$safe_stack" = "yes"; then
8067   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
8068 fi
8069
8070 # If we're using a separate build tree, set it up now.
8071 # DIRS are directories which we simply mkdir in the build tree;
8072 # LINKS are things to symlink back into the source tree
8073 # (these can be both files and directories).
8074 # Caution: do not add files or directories here using wildcards. This
8075 # will result in problems later if a new file matching the wildcard is
8076 # added to the source tree -- nothing will cause configure to be rerun
8077 # so the build tree will be missing the link back to the new file, and
8078 # tests might fail. Prefer to keep the relevant files in their own
8079 # directory and symlink the directory instead.
8080 # UNLINK is used to remove symlinks from older development versions
8081 # that might get into the way when doing "git update" without doing
8082 # a "make distclean" in between.
8083 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8084 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8085 DIRS="$DIRS docs docs/interop fsdev scsi"
8086 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8087 DIRS="$DIRS roms/seabios"
8088 LINKS="Makefile"
8089 LINKS="$LINKS tests/tcg/lm32/Makefile"
8090 LINKS="$LINKS tests/tcg/Makefile.target"
8091 LINKS="$LINKS pc-bios/optionrom/Makefile"
8092 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8093 LINKS="$LINKS roms/seabios/Makefile"
8094 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8095 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8096 LINKS="$LINKS tests/acceptance tests/data"
8097 LINKS="$LINKS tests/qemu-iotests/check"
8098 LINKS="$LINKS python"
8099 UNLINK="pc-bios/keymaps"
8100 for bios_file in \
8101     $source_path/pc-bios/*.bin \
8102     $source_path/pc-bios/*.elf \
8103     $source_path/pc-bios/*.lid \
8104     $source_path/pc-bios/*.rom \
8105     $source_path/pc-bios/*.dtb \
8106     $source_path/pc-bios/*.img \
8107     $source_path/pc-bios/openbios-* \
8108     $source_path/pc-bios/u-boot.* \
8109     $source_path/pc-bios/edk2-*.fd.bz2 \
8110     $source_path/pc-bios/palcode-*
8111 do
8112     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8113 done
8114 mkdir -p $DIRS
8115 for f in $LINKS ; do
8116     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8117         symlink "$source_path/$f" "$f"
8118     fi
8119 done
8120 for f in $UNLINK ; do
8121     if [ -L "$f" ]; then
8122         rm -f "$f"
8123     fi
8124 done
8125
8126 (for i in $cross_cc_vars; do
8127   export $i
8128 done
8129 export target_list source_path use_containers
8130 $source_path/tests/tcg/configure.sh)
8131
8132 # temporary config to build submodules
8133 for rom in seabios; do
8134     config_mak=roms/$rom/config.mak
8135     echo "# Automatically generated by configure - do not modify" > $config_mak
8136     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8137     echo "AS=$as" >> $config_mak
8138     echo "CCAS=$ccas" >> $config_mak
8139     echo "CC=$cc" >> $config_mak
8140     echo "BCC=bcc" >> $config_mak
8141     echo "CPP=$cpp" >> $config_mak
8142     echo "OBJCOPY=objcopy" >> $config_mak
8143     echo "IASL=$iasl" >> $config_mak
8144     echo "LD=$ld" >> $config_mak
8145     echo "RANLIB=$ranlib" >> $config_mak
8146 done
8147
8148 # set up qemu-iotests in this build directory
8149 iotests_common_env="tests/qemu-iotests/common.env"
8150
8151 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8152 echo >> "$iotests_common_env"
8153 echo "export PYTHON='$python'" >> "$iotests_common_env"
8154
8155 if test "$skip_meson" = no; then
8156 cross="config-meson.cross.new"
8157 meson_quote() {
8158     echo "['$(echo $* | sed "s/ /','/g")']"
8159 }
8160
8161 echo "# Automatically generated by configure - do not modify" > $cross
8162 echo "[properties]" >> $cross
8163 test -z "$cxx" && echo "link_language = 'c'" >> $cross
8164 echo "[binaries]" >> $cross
8165 echo "c = $(meson_quote $cc)" >> $cross
8166 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
8167 echo "ar = $(meson_quote $ar)" >> $cross
8168 echo "nm = $(meson_quote $nm)" >> $cross
8169 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
8170 echo "ranlib = $(meson_quote $ranlib)" >> $cross
8171 echo "strip = $(meson_quote $strip)" >> $cross
8172 echo "windres = $(meson_quote $windres)" >> $cross
8173 if test -n "$cross_prefix"; then
8174     cross_arg="--cross-file config-meson.cross"
8175     # Hack: Meson expects an absolute path for the *build* machine
8176     # for the prefix, so add a slash in front of a Windows path that
8177     # includes a drive letter.
8178     #
8179     # See https://github.com/mesonbuild/meson/issues/7577.
8180     echo "[host_machine]" >> $cross
8181     if test "$mingw32" = "yes" ; then
8182         echo "system = 'windows'" >> $cross
8183         case $prefix in
8184             ?:*) pre_prefix=/ ;;
8185         esac
8186     fi
8187     if test "$linux" = "yes" ; then
8188         echo "system = 'linux'" >> $cross
8189     fi
8190     case "$ARCH" in
8191         i386|x86_64)
8192             echo "cpu_family = 'x86'" >> $cross
8193             ;;
8194         ppc64le)
8195             echo "cpu_family = 'ppc64'" >> $cross
8196             ;;
8197         *)
8198             echo "cpu_family = '$ARCH'" >> $cross
8199             ;;
8200     esac
8201     echo "cpu = '$cpu'" >> $cross
8202     if test "$bigendian" = "yes" ; then
8203         echo "endian = 'big'" >> $cross
8204     else
8205         echo "endian = 'little'" >> $cross
8206     fi
8207 else
8208     cross_arg="--native-file config-meson.cross"
8209 fi
8210 mv $cross config-meson.cross
8211
8212 rm -rf meson-private meson-info meson-logs
8213 NINJA=${ninja:-$PWD/ninjatool} $meson setup \
8214         --prefix "${pre_prefix}$prefix" \
8215         --libdir "${pre_prefix}$libdir" \
8216         --libexecdir "${pre_prefix}$libexecdir" \
8217         --bindir "${pre_prefix}$bindir" \
8218         --includedir "${pre_prefix}$includedir" \
8219         --datadir "${pre_prefix}$datadir" \
8220         --mandir "${pre_prefix}$mandir" \
8221         --sysconfdir "${pre_prefix}$sysconfdir" \
8222         --localstatedir "${pre_prefix}$local_statedir" \
8223         -Ddocdir="${pre_prefix}$docdir" \
8224         -Dqemu_suffix="$qemu_suffix" \
8225         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
8226         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
8227         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
8228         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
8229         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
8230         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
8231         -Dsdl=$sdl -Dsdl_image=$sdl_image \
8232         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
8233         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
8234         $cross_arg \
8235         "$PWD" "$source_path"
8236
8237 if test "$?" -ne 0 ; then
8238     error_exit "meson setup failed"
8239 fi
8240 touch ninjatool.stamp
8241 fi
8242
8243 # Save the configure command line for later reuse.
8244 cat <<EOD >config.status
8245 #!/bin/sh
8246 # Generated by configure.
8247 # Run this file to recreate the current configuration.
8248 # Compiler output produced by configure, useful for debugging
8249 # configure, is in config.log if it exists.
8250 EOD
8251
8252 preserve_env() {
8253     envname=$1
8254
8255     eval envval=\$$envname
8256
8257     if test -n "$envval"
8258     then
8259         echo "$envname='$envval'" >> config.status
8260         echo "export $envname" >> config.status
8261     else
8262         echo "unset $envname" >> config.status
8263     fi
8264 }
8265
8266 # Preserve various env variables that influence what
8267 # features/build target configure will detect
8268 preserve_env AR
8269 preserve_env AS
8270 preserve_env CC
8271 preserve_env CPP
8272 preserve_env CXX
8273 preserve_env INSTALL
8274 preserve_env LD
8275 preserve_env LD_LIBRARY_PATH
8276 preserve_env LIBTOOL
8277 preserve_env MAKE
8278 preserve_env NM
8279 preserve_env OBJCOPY
8280 preserve_env PATH
8281 preserve_env PKG_CONFIG
8282 preserve_env PKG_CONFIG_LIBDIR
8283 preserve_env PKG_CONFIG_PATH
8284 preserve_env PYTHON
8285 preserve_env SDL2_CONFIG
8286 preserve_env SMBD
8287 preserve_env STRIP
8288 preserve_env WINDRES
8289
8290 printf "exec" >>config.status
8291 for i in "$0" "$@"; do
8292   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
8293 done
8294 echo ' "$@"' >>config.status
8295 chmod +x config.status
8296
8297 rm -r "$TMPDIR1"