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 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  34
  35 rm -f config.log
  36
  37 # Print a helpful header at the top of config.log
  38 echo "# QEMU configure log $(date)" >> config.log
  39 printf "# Configured with:" >> config.log
  40 printf " '%s'" "$0" "$@" >> config.log
  41 echo >> config.log
  42 echo "#" >> config.log
  43
  44 print_error() {
  45     (echo
  46     echo "ERROR: $1"
  47     while test -n "$2"; do
  48         echo "       $2"
  49         shift
  50     done
  51     echo) >&2
  52 }
  53
  54 error_exit() {
  55     print_error "$@"
  56     exit 1
  57 }
  58
  59 do_compiler() {
  60     # Run the compiler, capturing its output to the log. First argument
  61     # is compiler binary to execute.
  62     local compiler="$1"
  63     shift
  64     if test -n "$BASH_VERSION"; then eval '
  65         echo >>config.log "
  66 funcs: ${FUNCNAME[*]}
  67 lines: ${BASH_LINENO[*]}"
  68     '; fi
  69     echo $compiler "$@" >> config.log
  70     $compiler "$@" >> config.log 2>&1 || return $?
  71     # Test passed. If this is an --enable-werror build, rerun
  72     # the test with -Werror and bail out if it fails. This
  73     # makes warning-generating-errors in configure test code
  74     # obvious to developers.
  75     if test "$werror" != "yes"; then
  76         return 0
  77     fi
  78     # Don't bother rerunning the compile if we were already using -Werror
  79     case "$*" in
  80         *-Werror*)
  81            return 0
  82         ;;
  83     esac
  84     echo $compiler -Werror "$@" >> config.log
  85     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  86     error_exit "configure test passed without -Werror but failed with -Werror." \
  87         "This is probably a bug in the configure script. The failing command" \
  88         "will be at the bottom of config.log." \
  89         "You can run configure with --disable-werror to bypass this check."
  90 }
  91
  92 do_cc() {
  93     do_compiler "$cc" "$@"
  94 }
  95
  96 do_cxx() {
  97     do_compiler "$cxx" "$@"
  98 }
  99
 100 update_cxxflags() {
 101     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 102     # options which some versions of GCC's C++ compiler complain about
 103     # because they only make sense for C programs.
 104     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 105
 106     for arg in $QEMU_CFLAGS; do
 107         case $arg in
 108             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 109             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 110                 ;;
 111             -std=gnu99)
 112                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 113                 ;;
 114             *)
 115                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 116                 ;;
 117         esac
 118     done
 119 }
 120
 121 compile_object() {
 122   local_cflags="$1"
 123   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 124 }
 125
 126 compile_prog() {
 127   local_cflags="$1"
 128   local_ldflags="$2"
 129   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
 130 }
 131
 132 # symbolically link $1 to $2.  Portable version of "ln -sf".
 133 symlink() {
 134   rm -rf "$2"
 135   mkdir -p "$(dirname "$2")"
 136   ln -s "$1" "$2"
 137 }
 138
 139 # check whether a command is available to this shell (may be either an
 140 # executable or a builtin)
 141 has() {
 142     type "$1" >/dev/null 2>&1
 143 }
 144
 145 # search for an executable in PATH
 146 path_of() {
 147     local_command="$1"
 148     local_ifs="$IFS"
 149     local_dir=""
 150
 151     # pathname has a dir component?
 152     if [ "${local_command#*/}" != "$local_command" ]; then
 153         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 154             echo "$local_command"
 155             return 0
 156         fi
 157     fi
 158     if [ -z "$local_command" ]; then
 159         return 1
 160     fi
 161
 162     IFS=:
 163     for local_dir in $PATH; do
 164         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 165             echo "$local_dir/$local_command"
 166             IFS="${local_ifs:-$(printf ' \t\n')}"
 167             return 0
 168         fi
 169     done
 170     # not found
 171     IFS="${local_ifs:-$(printf ' \t\n')}"
 172     return 1
 173 }
 174
 175 have_backend () {
 176     echo "$trace_backends" | grep "$1" >/dev/null
 177 }
 178
 179 glob() {
 180     eval test -z '"${1#'"$2"'}"'
 181 }
 182
 183 supported_hax_target() {
 184     test "$hax" = "yes" || return 1
 185     glob "$1" "*-softmmu" || return 1
 186     case "${1%-softmmu}" in
 187         i386|x86_64)
 188             return 0
 189         ;;
 190     esac
 191     return 1
 192 }
 193
 194 supported_kvm_target() {
 195     test "$kvm" = "yes" || return 1
 196     glob "$1" "*-softmmu" || return 1
 197     case "${1%-softmmu}:$cpu" in
 198         arm:arm | aarch64:aarch64 | \
 199         i386:i386 | i386:x86_64 | i386:x32 | \
 200         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 201         mips:mips | mipsel:mips | \
 202         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 203         s390x:s390x)
 204             return 0
 205         ;;
 206     esac
 207     return 1
 208 }
 209
 210 supported_xen_target() {
 211     test "$xen" = "yes" || return 1
 212     glob "$1" "*-softmmu" || return 1
 213     # Only i386 and x86_64 provide the xenpv machine.
 214     case "${1%-softmmu}" in
 215         i386|x86_64)
 216             return 0
 217         ;;
 218     esac
 219     return 1
 220 }
 221
 222 supported_hvf_target() {
 223     test "$hvf" = "yes" || return 1
 224     glob "$1" "*-softmmu" || return 1
 225     case "${1%-softmmu}" in
 226         x86_64)
 227             return 0
 228         ;;
 229     esac
 230     return 1
 231 }
 232
 233 supported_whpx_target() {
 234     test "$whpx" = "yes" || return 1
 235     glob "$1" "*-softmmu" || return 1
 236     case "${1%-softmmu}" in
 237         i386|x86_64)
 238             return 0
 239         ;;
 240     esac
 241     return 1
 242 }
 243
 244 supported_target() {
 245     case "$1" in
 246         *-softmmu)
 247             ;;
 248         *-linux-user)
 249             if test "$linux" != "yes"; then
 250                 print_error "Target '$target' is only available on a Linux host"
 251                 return 1
 252             fi
 253             ;;
 254         *-bsd-user)
 255             if test "$bsd" != "yes"; then
 256                 print_error "Target '$target' is only available on a BSD host"
 257                 return 1
 258             fi
 259             ;;
 260         *)
 261             print_error "Invalid target name '$target'"
 262             return 1
 263             ;;
 264     esac
 265     test "$tcg" = "yes" && return 0
 266     supported_kvm_target "$1" && return 0
 267     supported_xen_target "$1" && return 0
 268     supported_hax_target "$1" && return 0
 269     supported_hvf_target "$1" && return 0
 270     supported_whpx_target "$1" && return 0
 271     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 272     return 1
 273 }
 274
 275
 276 ld_has() {
 277     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 278 }
 279
 280 # make source path absolute
 281 source_path=$(cd "$(dirname -- "$0")"; pwd)
 282
 283 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 284 then
 285   error_exit "main directory cannot contain spaces nor colons"
 286 fi
 287
 288 # default parameters
 289 cpu=""
 290 iasl="iasl"
 291 interp_prefix="/usr/gnemul/qemu-%M"
 292 static="no"
 293 cross_prefix=""
 294 audio_drv_list=""
 295 block_drv_rw_whitelist=""
 296 block_drv_ro_whitelist=""
 297 host_cc="cc"
 298 libs_cpu=""
 299 libs_softmmu=""
 300 libs_tools=""
 301 audio_win_int=""
 302 libs_qga=""
 303 debug_info="yes"
 304 stack_protector=""
 305 use_containers="yes"
 306
 307 if test -e "$source_path/.git"
 308 then
 309     git_update=yes
 310     git_submodules="ui/keycodemapdb"
 311     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 312     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 313 else
 314     git_update=no
 315     git_submodules=""
 316
 317     if ! test -f "$source_path/ui/keycodemapdb/README"
 318     then
 319         echo
 320         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 321         echo
 322         echo "This is not a GIT checkout but module content appears to"
 323         echo "be missing. Do not use 'git archive' or GitHub download links"
 324         echo "to acquire QEMU source archives. Non-GIT builds are only"
 325         echo "supported with source archives linked from:"
 326         echo
 327         echo "  https://www.qemu.org/download/#source"
 328         echo
 329         echo "Developers working with GIT can use scripts/archive-source.sh"
 330         echo "if they need to create valid source archives."
 331         echo
 332         exit 1
 333     fi
 334 fi
 335 git="git"
 336
 337 # Don't accept a target_list environment variable.
 338 unset target_list
 339 unset target_list_exclude
 340
 341 # Default value for a variable defining feature "foo".
 342 #  * foo="no"  feature will only be used if --enable-foo arg is given
 343 #  * foo=""    feature will be searched for, and if found, will be used
 344 #              unless --disable-foo is given
 345 #  * foo="yes" this value will only be set by --enable-foo flag.
 346 #              feature will searched for,
 347 #              if not found, configure exits with error
 348 #
 349 # Always add --enable-foo and --disable-foo command line args.
 350 # Distributions want to ensure that several features are compiled in, and it
 351 # is impossible without a --enable-foo that exits if a feature is not found.
 352
 353 brlapi=""
 354 curl=""
 355 curses=""
 356 docs=""
 357 fdt=""
 358 netmap="no"
 359 sdl=""
 360 sdl_image=""
 361 virtfs=""
 362 mpath=""
 363 vnc="yes"
 364 sparse="no"
 365 vde=""
 366 vnc_sasl=""
 367 vnc_jpeg=""
 368 vnc_png=""
 369 xkbcommon=""
 370 xen=""
 371 xen_ctrl_version=""
 372 xen_pci_passthrough=""
 373 linux_aio=""
 374 linux_io_uring=""
 375 cap_ng=""
 376 attr=""
 377 libattr=""
 378 xfs=""
 379 tcg="yes"
 380 membarrier=""
 381 vhost_net=""
 382 vhost_crypto=""
 383 vhost_scsi=""
 384 vhost_vsock=""
 385 vhost_user=""
 386 vhost_user_fs=""
 387 kvm="no"
 388 hax="no"
 389 hvf="no"
 390 whpx="no"
 391 rdma=""
 392 pvrdma=""
 393 gprof="no"
 394 debug_tcg="no"
 395 debug="no"
 396 sanitizers="no"
 397 fortify_source=""
 398 strip_opt="yes"
 399 tcg_interpreter="no"
 400 bigendian="no"
 401 mingw32="no"
 402 gcov="no"
 403 gcov_tool="gcov"
 404 EXESUF=""
 405 DSOSUF=".so"
 406 LDFLAGS_SHARED="-shared"
 407 modules="no"
 408 prefix="/usr/local"
 409 mandir="\${prefix}/share/man"
 410 datadir="\${prefix}/share"
 411 firmwarepath="\${prefix}/share/qemu-firmware"
 412 qemu_docdir="\${prefix}/share/doc/qemu"
 413 bindir="\${prefix}/bin"
 414 libdir="\${prefix}/lib"
 415 libexecdir="\${prefix}/libexec"
 416 includedir="\${prefix}/include"
 417 sysconfdir="\${prefix}/etc"
 418 local_statedir="\${prefix}/var"
 419 confsuffix="/qemu"
 420 slirp=""
 421 oss_lib=""
 422 bsd="no"
 423 linux="no"
 424 solaris="no"
 425 profiler="no"
 426 cocoa="no"
 427 softmmu="yes"
 428 linux_user="no"
 429 bsd_user="no"
 430 blobs="yes"
 431 edk2_blobs="no"
 432 pkgversion=""
 433 pie=""
 434 qom_cast_debug="yes"
 435 trace_backends="log"
 436 trace_file="trace"
 437 spice=""
 438 rbd=""
 439 smartcard=""
 440 libusb=""
 441 usb_redir=""
 442 opengl=""
 443 opengl_dmabuf="no"
 444 cpuid_h="no"
 445 avx2_opt=""
 446 zlib="yes"
 447 capstone=""
 448 lzo=""
 449 snappy=""
 450 bzip2=""
 451 lzfse=""
 452 zstd=""
 453 guest_agent=""
 454 guest_agent_with_vss="no"
 455 guest_agent_ntddscsi="no"
 456 guest_agent_msi=""
 457 vss_win32_sdk=""
 458 win_sdk="no"
 459 want_tools=""
 460 libiscsi=""
 461 libnfs=""
 462 coroutine=""
 463 coroutine_pool=""
 464 debug_stack_usage="no"
 465 crypto_afalg="no"
 466 seccomp=""
 467 glusterfs=""
 468 glusterfs_xlator_opt="no"
 469 glusterfs_discard="no"
 470 glusterfs_fallocate="no"
 471 glusterfs_zerofill="no"
 472 glusterfs_ftruncate_has_stat="no"
 473 glusterfs_iocb_has_stat="no"
 474 gtk=""
 475 gtk_gl="no"
 476 tls_priority="NORMAL"
 477 gnutls=""
 478 nettle=""
 479 nettle_xts="no"
 480 gcrypt=""
 481 gcrypt_hmac="no"
 482 gcrypt_xts="no"
 483 qemu_private_xts="yes"
 484 auth_pam=""
 485 vte=""
 486 virglrenderer=""
 487 tpm=""
 488 libssh=""
 489 live_block_migration="yes"
 490 numa=""
 491 tcmalloc="no"
 492 jemalloc="no"
 493 replication="yes"
 494 vxhs=""
 495 bochs="yes"
 496 cloop="yes"
 497 dmg="yes"
 498 qcow1="yes"
 499 vdi="yes"
 500 vvfat="yes"
 501 qed="yes"
 502 parallels="yes"
 503 sheepdog="yes"
 504 libxml2=""
 505 debug_mutex="no"
 506 libpmem=""
 507 default_devices="yes"
 508 plugins="no"
 509 fuzzing="no"
 510
 511 supported_cpu="no"
 512 supported_os="no"
 513 bogus_os="no"
 514 malloc_trim=""
 515
 516 # parse CC options first
 517 for opt do
 518   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 519   case "$opt" in
 520   --cross-prefix=*) cross_prefix="$optarg"
 521   ;;
 522   --cc=*) CC="$optarg"
 523   ;;
 524   --cxx=*) CXX="$optarg"
 525   ;;
 526   --cpu=*) cpu="$optarg"
 527   ;;
 528   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 529                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 530   ;;
 531   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 532   ;;
 533   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 534                      EXTRA_LDFLAGS="$optarg"
 535   ;;
 536   --enable-debug-info) debug_info="yes"
 537   ;;
 538   --disable-debug-info) debug_info="no"
 539   ;;
 540   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 541   ;;
 542   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 543                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 544                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 545   ;;
 546   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 547                 cc_archs="$cc_archs $cc_arch"
 548                 eval "cross_cc_${cc_arch}=\$optarg"
 549                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 550   ;;
 551   esac
 552 done
 553 # OS specific
 554 # Using uname is really, really broken.  Once we have the right set of checks
 555 # we can eliminate its usage altogether.
 556
 557 # Preferred compiler:
 558 #  ${CC} (if set)
 559 #  ${cross_prefix}gcc (if cross-prefix specified)
 560 #  system compiler
 561 if test -z "${CC}${cross_prefix}"; then
 562   cc="$host_cc"
 563 else
 564   cc="${CC-${cross_prefix}gcc}"
 565 fi
 566
 567 if test -z "${CXX}${cross_prefix}"; then
 568   cxx="c++"
 569 else
 570   cxx="${CXX-${cross_prefix}g++}"
 571 fi
 572
 573 ar="${AR-${cross_prefix}ar}"
 574 as="${AS-${cross_prefix}as}"
 575 ccas="${CCAS-$cc}"
 576 cpp="${CPP-$cc -E}"
 577 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 578 ld="${LD-${cross_prefix}ld}"
 579 ranlib="${RANLIB-${cross_prefix}ranlib}"
 580 nm="${NM-${cross_prefix}nm}"
 581 strip="${STRIP-${cross_prefix}strip}"
 582 windres="${WINDRES-${cross_prefix}windres}"
 583 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 584 query_pkg_config() {
 585     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 586 }
 587 pkg_config=query_pkg_config
 588 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 589
 590 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 591 ARFLAGS="${ARFLAGS-rv}"
 592
 593 # default flags for all hosts
 594 # We use -fwrapv to tell the compiler that we require a C dialect where
 595 # left shift of signed integers is well defined and has the expected
 596 # 2s-complement style results. (Both clang and gcc agree that it
 597 # provides these semantics.)
 598 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 599 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 600 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 601 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 602 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 603 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 604 if test "$debug_info" = "yes"; then
 605     CFLAGS="-g $CFLAGS"
 606 fi
 607
 608 # running configure in the source tree?
 609 # we know that's the case if configure is there.
 610 if test -f "./configure"; then
 611     pwd_is_source_path="y"
 612 else
 613     pwd_is_source_path="n"
 614 fi
 615
 616 check_define() {
 617 cat > $TMPC <<EOF
 618 #if !defined($1)
 619 #error $1 not defined
 620 #endif
 621 int main(void) { return 0; }
 622 EOF
 623   compile_object
 624 }
 625
 626 check_include() {
 627 cat > $TMPC <<EOF
 628 #include <$1>
 629 int main(void) { return 0; }
 630 EOF
 631   compile_object
 632 }
 633
 634 write_c_skeleton() {
 635     cat > $TMPC <<EOF
 636 int main(void) { return 0; }
 637 EOF
 638 }
 639
 640 write_c_fuzzer_skeleton() {
 641     cat > $TMPC <<EOF
 642 #include <stdint.h>
 643 #include <sys/types.h>
 644 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 645 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 646 EOF
 647 }
 648
 649 if check_define __linux__ ; then
 650   targetos="Linux"
 651 elif check_define _WIN32 ; then
 652   targetos='MINGW32'
 653 elif check_define __OpenBSD__ ; then
 654   targetos='OpenBSD'
 655 elif check_define __sun__ ; then
 656   targetos='SunOS'
 657 elif check_define __HAIKU__ ; then
 658   targetos='Haiku'
 659 elif check_define __FreeBSD__ ; then
 660   targetos='FreeBSD'
 661 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 662   targetos='GNU/kFreeBSD'
 663 elif check_define __DragonFly__ ; then
 664   targetos='DragonFly'
 665 elif check_define __NetBSD__; then
 666   targetos='NetBSD'
 667 elif check_define __APPLE__; then
 668   targetos='Darwin'
 669 else
 670   # This is a fatal error, but don't report it yet, because we
 671   # might be going to just print the --help text, or it might
 672   # be the result of a missing compiler.
 673   targetos='bogus'
 674   bogus_os='yes'
 675 fi
 676
 677 # Some host OSes need non-standard checks for which CPU to use.
 678 # Note that these checks are broken for cross-compilation: if you're
 679 # cross-compiling to one of these OSes then you'll need to specify
 680 # the correct CPU with the --cpu option.
 681 case $targetos in
 682 Darwin)
 683   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 684   # run 64-bit userspace code.
 685   # If the user didn't specify a CPU explicitly and the kernel says this is
 686   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 687   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 688     cpu="x86_64"
 689   fi
 690   ;;
 691 SunOS)
 692   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 693   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 694     cpu="x86_64"
 695   fi
 696 esac
 697
 698 if test ! -z "$cpu" ; then
 699   # command line argument
 700   :
 701 elif check_define __i386__ ; then
 702   cpu="i386"
 703 elif check_define __x86_64__ ; then
 704   if check_define __ILP32__ ; then
 705     cpu="x32"
 706   else
 707     cpu="x86_64"
 708   fi
 709 elif check_define __sparc__ ; then
 710   if check_define __arch64__ ; then
 711     cpu="sparc64"
 712   else
 713     cpu="sparc"
 714   fi
 715 elif check_define _ARCH_PPC ; then
 716   if check_define _ARCH_PPC64 ; then
 717     if check_define _LITTLE_ENDIAN ; then
 718       cpu="ppc64le"
 719     else
 720       cpu="ppc64"
 721     fi
 722   else
 723     cpu="ppc"
 724   fi
 725 elif check_define __mips__ ; then
 726   cpu="mips"
 727 elif check_define __s390__ ; then
 728   if check_define __s390x__ ; then
 729     cpu="s390x"
 730   else
 731     cpu="s390"
 732   fi
 733 elif check_define __riscv ; then
 734   if check_define _LP64 ; then
 735     cpu="riscv64"
 736   else
 737     cpu="riscv32"
 738   fi
 739 elif check_define __arm__ ; then
 740   cpu="arm"
 741 elif check_define __aarch64__ ; then
 742   cpu="aarch64"
 743 else
 744   cpu=$(uname -m)
 745 fi
 746
 747 ARCH=
 748 # Normalise host CPU name and set ARCH.
 749 # Note that this case should only have supported host CPUs, not guests.
 750 case "$cpu" in
 751   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 752     supported_cpu="yes"
 753   ;;
 754   ppc64le)
 755     ARCH="ppc64"
 756     supported_cpu="yes"
 757   ;;
 758   i386|i486|i586|i686|i86pc|BePC)
 759     cpu="i386"
 760     supported_cpu="yes"
 761   ;;
 762   x86_64|amd64)
 763     cpu="x86_64"
 764     supported_cpu="yes"
 765   ;;
 766   armv*b|armv*l|arm)
 767     cpu="arm"
 768     supported_cpu="yes"
 769   ;;
 770   aarch64)
 771     cpu="aarch64"
 772     supported_cpu="yes"
 773   ;;
 774   mips*)
 775     cpu="mips"
 776     supported_cpu="yes"
 777   ;;
 778   sparc|sun4[cdmuv])
 779     cpu="sparc"
 780     supported_cpu="yes"
 781   ;;
 782   *)
 783     # This will result in either an error or falling back to TCI later
 784     ARCH=unknown
 785   ;;
 786 esac
 787 if test -z "$ARCH"; then
 788   ARCH="$cpu"
 789 fi
 790
 791 # OS specific
 792
 793 # host *BSD for user mode
 794 HOST_VARIANT_DIR=""
 795
 796 case $targetos in
 797 MINGW32*)
 798   mingw32="yes"
 799   hax="yes"
 800   vhost_user="no"
 801   audio_possible_drivers="dsound sdl"
 802   if check_include dsound.h; then
 803     audio_drv_list="dsound"
 804   else
 805     audio_drv_list=""
 806   fi
 807   supported_os="yes"
 808 ;;
 809 GNU/kFreeBSD)
 810   bsd="yes"
 811   audio_drv_list="oss try-sdl"
 812   audio_possible_drivers="oss sdl pa"
 813 ;;
 814 FreeBSD)
 815   bsd="yes"
 816   make="${MAKE-gmake}"
 817   audio_drv_list="oss try-sdl"
 818   audio_possible_drivers="oss sdl pa"
 819   # needed for kinfo_getvmmap(3) in libutil.h
 820   LIBS="-lutil $LIBS"
 821   # needed for kinfo_getproc
 822   libs_qga="-lutil $libs_qga"
 823   netmap=""  # enable netmap autodetect
 824   HOST_VARIANT_DIR="freebsd"
 825   supported_os="yes"
 826 ;;
 827 DragonFly)
 828   bsd="yes"
 829   make="${MAKE-gmake}"
 830   audio_drv_list="oss try-sdl"
 831   audio_possible_drivers="oss sdl pa"
 832   HOST_VARIANT_DIR="dragonfly"
 833 ;;
 834 NetBSD)
 835   bsd="yes"
 836   hax="yes"
 837   make="${MAKE-gmake}"
 838   audio_drv_list="oss try-sdl"
 839   audio_possible_drivers="oss sdl"
 840   oss_lib="-lossaudio"
 841   HOST_VARIANT_DIR="netbsd"
 842   supported_os="yes"
 843 ;;
 844 OpenBSD)
 845   bsd="yes"
 846   make="${MAKE-gmake}"
 847   audio_drv_list="try-sdl"
 848   audio_possible_drivers="sdl"
 849   HOST_VARIANT_DIR="openbsd"
 850   supported_os="yes"
 851 ;;
 852 Darwin)
 853   bsd="yes"
 854   darwin="yes"
 855   hax="yes"
 856   hvf="yes"
 857   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 858   if [ "$cpu" = "x86_64" ] ; then
 859     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 860     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 861   fi
 862   cocoa="yes"
 863   audio_drv_list="coreaudio try-sdl"
 864   audio_possible_drivers="coreaudio sdl"
 865   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 866   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 867   # Disable attempts to use ObjectiveC features in os/object.h since they
 868   # won't work when we're compiling with gcc as a C compiler.
 869   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 870   HOST_VARIANT_DIR="darwin"
 871   supported_os="yes"
 872 ;;
 873 SunOS)
 874   solaris="yes"
 875   make="${MAKE-gmake}"
 876   install="${INSTALL-ginstall}"
 877   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 878   if test -f /usr/include/sys/soundcard.h ; then
 879     audio_drv_list="oss try-sdl"
 880   fi
 881   audio_possible_drivers="oss sdl"
 882 # needed for CMSG_ macros in sys/socket.h
 883   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 884 # needed for TIOCWIN* defines in termios.h
 885   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 886   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 887   solarisnetlibs="-lsocket -lnsl -lresolv"
 888   LIBS="$solarisnetlibs $LIBS"
 889   libs_qga="$solarisnetlibs $libs_qga"
 890 ;;
 891 Haiku)
 892   haiku="yes"
 893   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 894   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 895 ;;
 896 Linux)
 897   audio_drv_list="try-pa oss"
 898   audio_possible_drivers="oss alsa sdl pa"
 899   linux="yes"
 900   linux_user="yes"
 901   kvm="yes"
 902   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 903   supported_os="yes"
 904   libudev="yes"
 905 ;;
 906 esac
 907
 908 if [ "$bsd" = "yes" ] ; then
 909   if [ "$darwin" != "yes" ] ; then
 910     bsd_user="yes"
 911   fi
 912 fi
 913
 914 : ${make=${MAKE-make}}
 915 : ${install=${INSTALL-install}}
 916 # We prefer python 3.x. A bare 'python' is traditionally
 917 # python 2.x, but some distros have it as python 3.x, so
 918 # we check that too
 919 python=
 920 for binary in "${PYTHON-python3}" python
 921 do
 922     if has "$binary"
 923     then
 924         python=$(command -v "$binary")
 925         break
 926     fi
 927 done
 928
 929 sphinx_build=
 930 for binary in sphinx-build-3 sphinx-build
 931 do
 932     if has "$binary"
 933     then
 934         sphinx_build=$(command -v "$binary")
 935         break
 936     fi
 937 done
 938
 939 # Check for ancillary tools used in testing
 940 genisoimage=
 941 for binary in genisoimage
 942 do
 943     if has $binary
 944     then
 945         genisoimage=$(command -v "$binary")
 946         break
 947     fi
 948 done
 949
 950 : ${smbd=${SMBD-/usr/sbin/smbd}}
 951
 952 # Default objcc to clang if available, otherwise use CC
 953 if has clang; then
 954   objcc=clang
 955 else
 956   objcc="$cc"
 957 fi
 958
 959 if test "$mingw32" = "yes" ; then
 960   EXESUF=".exe"
 961   DSOSUF=".dll"
 962   # MinGW needs -mthreads for TLS and macro _MT.
 963   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 964   LIBS="-lwinmm -lws2_32 $LIBS"
 965   write_c_skeleton;
 966   if compile_prog "" "-liberty" ; then
 967     LIBS="-liberty $LIBS"
 968   fi
 969   prefix="c:/Program Files/QEMU"
 970   mandir="\${prefix}"
 971   datadir="\${prefix}"
 972   qemu_docdir="\${prefix}"
 973   bindir="\${prefix}"
 974   sysconfdir="\${prefix}"
 975   local_statedir=
 976   confsuffix=""
 977   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 978 fi
 979
 980 werror=""
 981
 982 for opt do
 983   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 984   case "$opt" in
 985   --help|-h) show_help=yes
 986   ;;
 987   --version|-V) exec cat $source_path/VERSION
 988   ;;
 989   --prefix=*) prefix="$optarg"
 990   ;;
 991   --interp-prefix=*) interp_prefix="$optarg"
 992   ;;
 993   --cross-prefix=*)
 994   ;;
 995   --cc=*)
 996   ;;
 997   --host-cc=*) host_cc="$optarg"
 998   ;;
 999   --cxx=*)
1000   ;;
1001   --iasl=*) iasl="$optarg"
1002   ;;
1003   --objcc=*) objcc="$optarg"
1004   ;;
1005   --make=*) make="$optarg"
1006   ;;
1007   --install=*) install="$optarg"
1008   ;;
1009   --python=*) python="$optarg"
1010   ;;
1011   --sphinx-build=*) sphinx_build="$optarg"
1012   ;;
1013   --gcov=*) gcov_tool="$optarg"
1014   ;;
1015   --smbd=*) smbd="$optarg"
1016   ;;
1017   --extra-cflags=*)
1018   ;;
1019   --extra-cxxflags=*)
1020   ;;
1021   --extra-ldflags=*)
1022   ;;
1023   --enable-debug-info)
1024   ;;
1025   --disable-debug-info)
1026   ;;
1027   --cross-cc-*)
1028   ;;
1029   --enable-modules)
1030       modules="yes"
1031   ;;
1032   --disable-modules)
1033       modules="no"
1034   ;;
1035   --cpu=*)
1036   ;;
1037   --target-list=*) target_list="$optarg"
1038                    if test "$target_list_exclude"; then
1039                        error_exit "Can't mix --target-list with --target-list-exclude"
1040                    fi
1041   ;;
1042   --target-list-exclude=*) target_list_exclude="$optarg"
1043                    if test "$target_list"; then
1044                        error_exit "Can't mix --target-list-exclude with --target-list"
1045                    fi
1046   ;;
1047   --enable-trace-backends=*) trace_backends="$optarg"
1048   ;;
1049   # XXX: backwards compatibility
1050   --enable-trace-backend=*) trace_backends="$optarg"
1051   ;;
1052   --with-trace-file=*) trace_file="$optarg"
1053   ;;
1054   --with-default-devices) default_devices="yes"
1055   ;;
1056   --without-default-devices) default_devices="no"
1057   ;;
1058   --enable-gprof) gprof="yes"
1059   ;;
1060   --enable-gcov) gcov="yes"
1061   ;;
1062   --static)
1063     static="yes"
1064     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1065     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1066   ;;
1067   --mandir=*) mandir="$optarg"
1068   ;;
1069   --bindir=*) bindir="$optarg"
1070   ;;
1071   --libdir=*) libdir="$optarg"
1072   ;;
1073   --libexecdir=*) libexecdir="$optarg"
1074   ;;
1075   --includedir=*) includedir="$optarg"
1076   ;;
1077   --datadir=*) datadir="$optarg"
1078   ;;
1079   --with-confsuffix=*) confsuffix="$optarg"
1080   ;;
1081   --docdir=*) qemu_docdir="$optarg"
1082   ;;
1083   --sysconfdir=*) sysconfdir="$optarg"
1084   ;;
1085   --localstatedir=*) local_statedir="$optarg"
1086   ;;
1087   --firmwarepath=*) firmwarepath="$optarg"
1088   ;;
1089   --host=*|--build=*|\
1090   --disable-dependency-tracking|\
1091   --sbindir=*|--sharedstatedir=*|\
1092   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1093   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1094     # These switches are silently ignored, for compatibility with
1095     # autoconf-generated configure scripts. This allows QEMU's
1096     # configure to be used by RPM and similar macros that set
1097     # lots of directory switches by default.
1098   ;;
1099   --disable-sdl) sdl="no"
1100   ;;
1101   --enable-sdl) sdl="yes"
1102   ;;
1103   --disable-sdl-image) sdl_image="no"
1104   ;;
1105   --enable-sdl-image) sdl_image="yes"
1106   ;;
1107   --disable-qom-cast-debug) qom_cast_debug="no"
1108   ;;
1109   --enable-qom-cast-debug) qom_cast_debug="yes"
1110   ;;
1111   --disable-virtfs) virtfs="no"
1112   ;;
1113   --enable-virtfs) virtfs="yes"
1114   ;;
1115   --disable-mpath) mpath="no"
1116   ;;
1117   --enable-mpath) mpath="yes"
1118   ;;
1119   --disable-vnc) vnc="no"
1120   ;;
1121   --enable-vnc) vnc="yes"
1122   ;;
1123   --oss-lib=*) oss_lib="$optarg"
1124   ;;
1125   --audio-drv-list=*) audio_drv_list="$optarg"
1126   ;;
1127   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1128   ;;
1129   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1130   ;;
1131   --enable-debug-tcg) debug_tcg="yes"
1132   ;;
1133   --disable-debug-tcg) debug_tcg="no"
1134   ;;
1135   --enable-debug)
1136       # Enable debugging options that aren't excessively noisy
1137       debug_tcg="yes"
1138       debug_mutex="yes"
1139       debug="yes"
1140       strip_opt="no"
1141       fortify_source="no"
1142   ;;
1143   --enable-sanitizers) sanitizers="yes"
1144   ;;
1145   --disable-sanitizers) sanitizers="no"
1146   ;;
1147   --enable-sparse) sparse="yes"
1148   ;;
1149   --disable-sparse) sparse="no"
1150   ;;
1151   --disable-strip) strip_opt="no"
1152   ;;
1153   --disable-vnc-sasl) vnc_sasl="no"
1154   ;;
1155   --enable-vnc-sasl) vnc_sasl="yes"
1156   ;;
1157   --disable-vnc-jpeg) vnc_jpeg="no"
1158   ;;
1159   --enable-vnc-jpeg) vnc_jpeg="yes"
1160   ;;
1161   --disable-vnc-png) vnc_png="no"
1162   ;;
1163   --enable-vnc-png) vnc_png="yes"
1164   ;;
1165   --disable-slirp) slirp="no"
1166   ;;
1167   --enable-slirp=git) slirp="git"
1168   ;;
1169   --enable-slirp=system) slirp="system"
1170   ;;
1171   --disable-vde) vde="no"
1172   ;;
1173   --enable-vde) vde="yes"
1174   ;;
1175   --disable-netmap) netmap="no"
1176   ;;
1177   --enable-netmap) netmap="yes"
1178   ;;
1179   --disable-xen) xen="no"
1180   ;;
1181   --enable-xen) xen="yes"
1182   ;;
1183   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1184   ;;
1185   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1186   ;;
1187   --disable-brlapi) brlapi="no"
1188   ;;
1189   --enable-brlapi) brlapi="yes"
1190   ;;
1191   --disable-kvm) kvm="no"
1192   ;;
1193   --enable-kvm) kvm="yes"
1194   ;;
1195   --disable-hax) hax="no"
1196   ;;
1197   --enable-hax) hax="yes"
1198   ;;
1199   --disable-hvf) hvf="no"
1200   ;;
1201   --enable-hvf) hvf="yes"
1202   ;;
1203   --disable-whpx) whpx="no"
1204   ;;
1205   --enable-whpx) whpx="yes"
1206   ;;
1207   --disable-tcg-interpreter) tcg_interpreter="no"
1208   ;;
1209   --enable-tcg-interpreter) tcg_interpreter="yes"
1210   ;;
1211   --disable-cap-ng)  cap_ng="no"
1212   ;;
1213   --enable-cap-ng) cap_ng="yes"
1214   ;;
1215   --disable-tcg) tcg="no"
1216   ;;
1217   --enable-tcg) tcg="yes"
1218   ;;
1219   --disable-malloc-trim) malloc_trim="no"
1220   ;;
1221   --enable-malloc-trim) malloc_trim="yes"
1222   ;;
1223   --disable-spice) spice="no"
1224   ;;
1225   --enable-spice) spice="yes"
1226   ;;
1227   --disable-libiscsi) libiscsi="no"
1228   ;;
1229   --enable-libiscsi) libiscsi="yes"
1230   ;;
1231   --disable-libnfs) libnfs="no"
1232   ;;
1233   --enable-libnfs) libnfs="yes"
1234   ;;
1235   --enable-profiler) profiler="yes"
1236   ;;
1237   --disable-cocoa) cocoa="no"
1238   ;;
1239   --enable-cocoa)
1240       cocoa="yes" ;
1241       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1242   ;;
1243   --disable-system) softmmu="no"
1244   ;;
1245   --enable-system) softmmu="yes"
1246   ;;
1247   --disable-user)
1248       linux_user="no" ;
1249       bsd_user="no" ;
1250   ;;
1251   --enable-user) ;;
1252   --disable-linux-user) linux_user="no"
1253   ;;
1254   --enable-linux-user) linux_user="yes"
1255   ;;
1256   --disable-bsd-user) bsd_user="no"
1257   ;;
1258   --enable-bsd-user) bsd_user="yes"
1259   ;;
1260   --enable-pie) pie="yes"
1261   ;;
1262   --disable-pie) pie="no"
1263   ;;
1264   --enable-werror) werror="yes"
1265   ;;
1266   --disable-werror) werror="no"
1267   ;;
1268   --enable-stack-protector) stack_protector="yes"
1269   ;;
1270   --disable-stack-protector) stack_protector="no"
1271   ;;
1272   --disable-curses) curses="no"
1273   ;;
1274   --enable-curses) curses="yes"
1275   ;;
1276   --disable-iconv) iconv="no"
1277   ;;
1278   --enable-iconv) iconv="yes"
1279   ;;
1280   --disable-curl) curl="no"
1281   ;;
1282   --enable-curl) curl="yes"
1283   ;;
1284   --disable-fdt) fdt="no"
1285   ;;
1286   --enable-fdt) fdt="yes"
1287   ;;
1288   --disable-linux-aio) linux_aio="no"
1289   ;;
1290   --enable-linux-aio) linux_aio="yes"
1291   ;;
1292   --disable-linux-io-uring) linux_io_uring="no"
1293   ;;
1294   --enable-linux-io-uring) linux_io_uring="yes"
1295   ;;
1296   --disable-attr) attr="no"
1297   ;;
1298   --enable-attr) attr="yes"
1299   ;;
1300   --disable-membarrier) membarrier="no"
1301   ;;
1302   --enable-membarrier) membarrier="yes"
1303   ;;
1304   --disable-blobs) blobs="no"
1305   ;;
1306   --with-pkgversion=*) pkgversion="$optarg"
1307   ;;
1308   --with-coroutine=*) coroutine="$optarg"
1309   ;;
1310   --disable-coroutine-pool) coroutine_pool="no"
1311   ;;
1312   --enable-coroutine-pool) coroutine_pool="yes"
1313   ;;
1314   --enable-debug-stack-usage) debug_stack_usage="yes"
1315   ;;
1316   --enable-crypto-afalg) crypto_afalg="yes"
1317   ;;
1318   --disable-crypto-afalg) crypto_afalg="no"
1319   ;;
1320   --disable-docs) docs="no"
1321   ;;
1322   --enable-docs) docs="yes"
1323   ;;
1324   --disable-vhost-net) vhost_net="no"
1325   ;;
1326   --enable-vhost-net) vhost_net="yes"
1327   ;;
1328   --disable-vhost-crypto) vhost_crypto="no"
1329   ;;
1330   --enable-vhost-crypto) vhost_crypto="yes"
1331   ;;
1332   --disable-vhost-scsi) vhost_scsi="no"
1333   ;;
1334   --enable-vhost-scsi) vhost_scsi="yes"
1335   ;;
1336   --disable-vhost-vsock) vhost_vsock="no"
1337   ;;
1338   --enable-vhost-vsock) vhost_vsock="yes"
1339   ;;
1340   --disable-vhost-user-fs) vhost_user_fs="no"
1341   ;;
1342   --enable-vhost-user-fs) vhost_user_fs="yes"
1343   ;;
1344   --disable-opengl) opengl="no"
1345   ;;
1346   --enable-opengl) opengl="yes"
1347   ;;
1348   --disable-rbd) rbd="no"
1349   ;;
1350   --enable-rbd) rbd="yes"
1351   ;;
1352   --disable-xfsctl) xfs="no"
1353   ;;
1354   --enable-xfsctl) xfs="yes"
1355   ;;
1356   --disable-smartcard) smartcard="no"
1357   ;;
1358   --enable-smartcard) smartcard="yes"
1359   ;;
1360   --disable-libusb) libusb="no"
1361   ;;
1362   --enable-libusb) libusb="yes"
1363   ;;
1364   --disable-usb-redir) usb_redir="no"
1365   ;;
1366   --enable-usb-redir) usb_redir="yes"
1367   ;;
1368   --disable-zlib-test) zlib="no"
1369   ;;
1370   --disable-lzo) lzo="no"
1371   ;;
1372   --enable-lzo) lzo="yes"
1373   ;;
1374   --disable-snappy) snappy="no"
1375   ;;
1376   --enable-snappy) snappy="yes"
1377   ;;
1378   --disable-bzip2) bzip2="no"
1379   ;;
1380   --enable-bzip2) bzip2="yes"
1381   ;;
1382   --enable-lzfse) lzfse="yes"
1383   ;;
1384   --disable-lzfse) lzfse="no"
1385   ;;
1386   --disable-zstd) zstd="no"
1387   ;;
1388   --enable-zstd) zstd="yes"
1389   ;;
1390   --enable-guest-agent) guest_agent="yes"
1391   ;;
1392   --disable-guest-agent) guest_agent="no"
1393   ;;
1394   --enable-guest-agent-msi) guest_agent_msi="yes"
1395   ;;
1396   --disable-guest-agent-msi) guest_agent_msi="no"
1397   ;;
1398   --with-vss-sdk) vss_win32_sdk=""
1399   ;;
1400   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1401   ;;
1402   --without-vss-sdk) vss_win32_sdk="no"
1403   ;;
1404   --with-win-sdk) win_sdk=""
1405   ;;
1406   --with-win-sdk=*) win_sdk="$optarg"
1407   ;;
1408   --without-win-sdk) win_sdk="no"
1409   ;;
1410   --enable-tools) want_tools="yes"
1411   ;;
1412   --disable-tools) want_tools="no"
1413   ;;
1414   --enable-seccomp) seccomp="yes"
1415   ;;
1416   --disable-seccomp) seccomp="no"
1417   ;;
1418   --disable-glusterfs) glusterfs="no"
1419   ;;
1420   --disable-avx2) avx2_opt="no"
1421   ;;
1422   --enable-avx2) avx2_opt="yes"
1423   ;;
1424   --enable-glusterfs) glusterfs="yes"
1425   ;;
1426   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1427       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1428   ;;
1429   --enable-vhdx|--disable-vhdx)
1430       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1431   ;;
1432   --enable-uuid|--disable-uuid)
1433       echo "$0: $opt is obsolete, UUID support is always built" >&2
1434   ;;
1435   --disable-gtk) gtk="no"
1436   ;;
1437   --enable-gtk) gtk="yes"
1438   ;;
1439   --tls-priority=*) tls_priority="$optarg"
1440   ;;
1441   --disable-gnutls) gnutls="no"
1442   ;;
1443   --enable-gnutls) gnutls="yes"
1444   ;;
1445   --disable-nettle) nettle="no"
1446   ;;
1447   --enable-nettle) nettle="yes"
1448   ;;
1449   --disable-gcrypt) gcrypt="no"
1450   ;;
1451   --enable-gcrypt) gcrypt="yes"
1452   ;;
1453   --disable-auth-pam) auth_pam="no"
1454   ;;
1455   --enable-auth-pam) auth_pam="yes"
1456   ;;
1457   --enable-rdma) rdma="yes"
1458   ;;
1459   --disable-rdma) rdma="no"
1460   ;;
1461   --enable-pvrdma) pvrdma="yes"
1462   ;;
1463   --disable-pvrdma) pvrdma="no"
1464   ;;
1465   --disable-vte) vte="no"
1466   ;;
1467   --enable-vte) vte="yes"
1468   ;;
1469   --disable-virglrenderer) virglrenderer="no"
1470   ;;
1471   --enable-virglrenderer) virglrenderer="yes"
1472   ;;
1473   --disable-tpm) tpm="no"
1474   ;;
1475   --enable-tpm) tpm="yes"
1476   ;;
1477   --disable-libssh) libssh="no"
1478   ;;
1479   --enable-libssh) libssh="yes"
1480   ;;
1481   --disable-live-block-migration) live_block_migration="no"
1482   ;;
1483   --enable-live-block-migration) live_block_migration="yes"
1484   ;;
1485   --disable-numa) numa="no"
1486   ;;
1487   --enable-numa) numa="yes"
1488   ;;
1489   --disable-libxml2) libxml2="no"
1490   ;;
1491   --enable-libxml2) libxml2="yes"
1492   ;;
1493   --disable-tcmalloc) tcmalloc="no"
1494   ;;
1495   --enable-tcmalloc) tcmalloc="yes"
1496   ;;
1497   --disable-jemalloc) jemalloc="no"
1498   ;;
1499   --enable-jemalloc) jemalloc="yes"
1500   ;;
1501   --disable-replication) replication="no"
1502   ;;
1503   --enable-replication) replication="yes"
1504   ;;
1505   --disable-vxhs) vxhs="no"
1506   ;;
1507   --enable-vxhs) vxhs="yes"
1508   ;;
1509   --disable-bochs) bochs="no"
1510   ;;
1511   --enable-bochs) bochs="yes"
1512   ;;
1513   --disable-cloop) cloop="no"
1514   ;;
1515   --enable-cloop) cloop="yes"
1516   ;;
1517   --disable-dmg) dmg="no"
1518   ;;
1519   --enable-dmg) dmg="yes"
1520   ;;
1521   --disable-qcow1) qcow1="no"
1522   ;;
1523   --enable-qcow1) qcow1="yes"
1524   ;;
1525   --disable-vdi) vdi="no"
1526   ;;
1527   --enable-vdi) vdi="yes"
1528   ;;
1529   --disable-vvfat) vvfat="no"
1530   ;;
1531   --enable-vvfat) vvfat="yes"
1532   ;;
1533   --disable-qed) qed="no"
1534   ;;
1535   --enable-qed) qed="yes"
1536   ;;
1537   --disable-parallels) parallels="no"
1538   ;;
1539   --enable-parallels) parallels="yes"
1540   ;;
1541   --disable-sheepdog) sheepdog="no"
1542   ;;
1543   --enable-sheepdog) sheepdog="yes"
1544   ;;
1545   --disable-vhost-user) vhost_user="no"
1546   ;;
1547   --enable-vhost-user) vhost_user="yes"
1548   ;;
1549   --disable-vhost-kernel) vhost_kernel="no"
1550   ;;
1551   --enable-vhost-kernel) vhost_kernel="yes"
1552   ;;
1553   --disable-capstone) capstone="no"
1554   ;;
1555   --enable-capstone) capstone="yes"
1556   ;;
1557   --enable-capstone=git) capstone="git"
1558   ;;
1559   --enable-capstone=system) capstone="system"
1560   ;;
1561   --with-git=*) git="$optarg"
1562   ;;
1563   --enable-git-update) git_update=yes
1564   ;;
1565   --disable-git-update) git_update=no
1566   ;;
1567   --enable-debug-mutex) debug_mutex=yes
1568   ;;
1569   --disable-debug-mutex) debug_mutex=no
1570   ;;
1571   --enable-libpmem) libpmem=yes
1572   ;;
1573   --disable-libpmem) libpmem=no
1574   ;;
1575   --enable-xkbcommon) xkbcommon=yes
1576   ;;
1577   --disable-xkbcommon) xkbcommon=no
1578   ;;
1579   --enable-plugins) plugins="yes"
1580   ;;
1581   --disable-plugins) plugins="no"
1582   ;;
1583   --enable-containers) use_containers="yes"
1584   ;;
1585   --disable-containers) use_containers="no"
1586   ;;
1587   --enable-fuzzing) fuzzing=yes
1588   ;;
1589   --disable-fuzzing) fuzzing=no
1590   ;;
1591   *)
1592       echo "ERROR: unknown option $opt"
1593       echo "Try '$0 --help' for more information"
1594       exit 1
1595   ;;
1596   esac
1597 done
1598
1599 case "$cpu" in
1600     ppc)
1601            CPU_CFLAGS="-m32"
1602            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1603            ;;
1604     ppc64)
1605            CPU_CFLAGS="-m64"
1606            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1607            ;;
1608     sparc)
1609            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1610            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1611            ;;
1612     sparc64)
1613            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1614            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1615            ;;
1616     s390)
1617            CPU_CFLAGS="-m31"
1618            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1619            ;;
1620     s390x)
1621            CPU_CFLAGS="-m64"
1622            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1623            ;;
1624     i386)
1625            CPU_CFLAGS="-m32"
1626            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1627            ;;
1628     x86_64)
1629            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1630            # If we truly care, we should simply detect this case at
1631            # runtime and generate the fallback to serial emulation.
1632            CPU_CFLAGS="-m64 -mcx16"
1633            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1634            ;;
1635     x32)
1636            CPU_CFLAGS="-mx32"
1637            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1638            ;;
1639     # No special flags required for other host CPUs
1640 esac
1641
1642 eval "cross_cc_${cpu}=\$host_cc"
1643 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1644 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1645
1646 # For user-mode emulation the host arch has to be one we explicitly
1647 # support, even if we're using TCI.
1648 if [ "$ARCH" = "unknown" ]; then
1649   bsd_user="no"
1650   linux_user="no"
1651 fi
1652
1653 default_target_list=""
1654
1655 mak_wilds=""
1656
1657 if [ "$softmmu" = "yes" ]; then
1658     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1659 fi
1660 if [ "$linux_user" = "yes" ]; then
1661     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1662 fi
1663 if [ "$bsd_user" = "yes" ]; then
1664     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1665 fi
1666
1667 if test -z "$target_list_exclude"; then
1668     for config in $mak_wilds; do
1669         default_target_list="${default_target_list} $(basename "$config" .mak)"
1670     done
1671 else
1672     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1673     for config in $mak_wilds; do
1674         target="$(basename "$config" .mak)"
1675         exclude="no"
1676         for excl in $exclude_list; do
1677             if test "$excl" = "$target"; then
1678                 exclude="yes"
1679                 break;
1680             fi
1681         done
1682         if test "$exclude" = "no"; then
1683             default_target_list="${default_target_list} $target"
1684         fi
1685     done
1686 fi
1687
1688 # Enumerate public trace backends for --help output
1689 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1690
1691 if test x"$show_help" = x"yes" ; then
1692 cat << EOF
1693
1694 Usage: configure [options]
1695 Options: [defaults in brackets after descriptions]
1696
1697 Standard options:
1698   --help                   print this message
1699   --prefix=PREFIX          install in PREFIX [$prefix]
1700   --interp-prefix=PREFIX   where to find shared libraries, etc.
1701                            use %M for cpu name [$interp_prefix]
1702   --target-list=LIST       set target list (default: build everything)
1703 $(echo Available targets: $default_target_list | \
1704   fold -s -w 53 | sed -e 's/^/                           /')
1705   --target-list-exclude=LIST exclude a set of targets from the default target-list
1706
1707 Advanced options (experts only):
1708   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1709   --cc=CC                  use C compiler CC [$cc]
1710   --iasl=IASL              use ACPI compiler IASL [$iasl]
1711   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1712                            build time
1713   --cxx=CXX                use C++ compiler CXX [$cxx]
1714   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1715   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1716   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1717   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1718   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1719   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1720   --make=MAKE              use specified make [$make]
1721   --install=INSTALL        use specified install [$install]
1722   --python=PYTHON          use specified python [$python]
1723   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1724   --smbd=SMBD              use specified smbd [$smbd]
1725   --with-git=GIT           use specified git [$git]
1726   --static                 enable static build [$static]
1727   --mandir=PATH            install man pages in PATH
1728   --datadir=PATH           install firmware in PATH$confsuffix
1729   --docdir=PATH            install documentation in PATH$confsuffix
1730   --bindir=PATH            install binaries in PATH
1731   --libdir=PATH            install libraries in PATH
1732   --libexecdir=PATH        install helper binaries in PATH
1733   --sysconfdir=PATH        install config in PATH$confsuffix
1734   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1735   --firmwarepath=PATH      search PATH for firmware files
1736   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1737   --with-pkgversion=VERS   use specified string as sub-version of the package
1738   --enable-debug           enable common debug build options
1739   --enable-sanitizers      enable default sanitizers
1740   --disable-strip          disable stripping binaries
1741   --disable-werror         disable compilation abort on warning
1742   --disable-stack-protector disable compiler-provided stack protection
1743   --audio-drv-list=LIST    set audio drivers list:
1744                            Available drivers: $audio_possible_drivers
1745   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1746   --block-drv-rw-whitelist=L
1747                            set block driver read-write whitelist
1748                            (affects only QEMU, not qemu-img)
1749   --block-drv-ro-whitelist=L
1750                            set block driver read-only whitelist
1751                            (affects only QEMU, not qemu-img)
1752   --enable-trace-backends=B Set trace backend
1753                            Available backends: $trace_backend_list
1754   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1755                            Default:trace-<pid>
1756   --disable-slirp          disable SLIRP userspace network connectivity
1757   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1758   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1759   --oss-lib                path to OSS library
1760   --cpu=CPU                Build for host CPU [$cpu]
1761   --with-coroutine=BACKEND coroutine backend. Supported options:
1762                            ucontext, sigaltstack, windows
1763   --enable-gcov            enable test coverage analysis with gcov
1764   --gcov=GCOV              use specified gcov [$gcov_tool]
1765   --disable-blobs          disable installing provided firmware blobs
1766   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1767   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1768   --tls-priority           default TLS protocol/cipher priority string
1769   --enable-gprof           QEMU profiling with gprof
1770   --enable-profiler        profiler support
1771   --enable-debug-stack-usage
1772                            track the maximum stack usage of stacks created by qemu_alloc_stack
1773   --enable-plugins
1774                            enable plugins via shared library loading
1775   --disable-containers     don't use containers for cross-building
1776
1777 Optional features, enabled with --enable-FEATURE and
1778 disabled with --disable-FEATURE, default is enabled if available:
1779
1780   system          all system emulation targets
1781   user            supported user emulation targets
1782   linux-user      all linux usermode emulation targets
1783   bsd-user        all BSD usermode emulation targets
1784   docs            build documentation
1785   guest-agent     build the QEMU Guest Agent
1786   guest-agent-msi build guest agent Windows MSI installation package
1787   pie             Position Independent Executables
1788   modules         modules support (non-Windows)
1789   debug-tcg       TCG debugging (default is disabled)
1790   debug-info      debugging information
1791   sparse          sparse checker
1792
1793   gnutls          GNUTLS cryptography support
1794   nettle          nettle cryptography support
1795   gcrypt          libgcrypt cryptography support
1796   auth-pam        PAM access control
1797   sdl             SDL UI
1798   sdl-image       SDL Image support for icons
1799   gtk             gtk UI
1800   vte             vte support for the gtk UI
1801   curses          curses UI
1802   iconv           font glyph conversion support
1803   vnc             VNC UI support
1804   vnc-sasl        SASL encryption for VNC server
1805   vnc-jpeg        JPEG lossy compression for VNC server
1806   vnc-png         PNG compression for VNC server
1807   cocoa           Cocoa UI (Mac OS X only)
1808   virtfs          VirtFS
1809   mpath           Multipath persistent reservation passthrough
1810   xen             xen backend driver support
1811   xen-pci-passthrough    PCI passthrough support for Xen
1812   brlapi          BrlAPI (Braile)
1813   curl            curl connectivity
1814   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1815   fdt             fdt device tree
1816   kvm             KVM acceleration support
1817   hax             HAX acceleration support
1818   hvf             Hypervisor.framework acceleration support
1819   whpx            Windows Hypervisor Platform acceleration support
1820   rdma            Enable RDMA-based migration
1821   pvrdma          Enable PVRDMA support
1822   vde             support for vde network
1823   netmap          support for netmap network
1824   linux-aio       Linux AIO support
1825   linux-io-uring  Linux io_uring support
1826   cap-ng          libcap-ng support
1827   attr            attr and xattr support
1828   vhost-net       vhost-net kernel acceleration support
1829   vhost-vsock     virtio sockets device support
1830   vhost-scsi      vhost-scsi kernel target support
1831   vhost-crypto    vhost-user-crypto backend support
1832   vhost-kernel    vhost kernel backend support
1833   vhost-user      vhost-user backend support
1834   spice           spice
1835   rbd             rados block device (rbd)
1836   libiscsi        iscsi support
1837   libnfs          nfs support
1838   smartcard       smartcard support (libcacard)
1839   libusb          libusb (for usb passthrough)
1840   live-block-migration   Block migration in the main migration stream
1841   usb-redir       usb network redirection support
1842   lzo             support of lzo compression library
1843   snappy          support of snappy compression library
1844   bzip2           support of bzip2 compression library
1845                   (for reading bzip2-compressed dmg images)
1846   lzfse           support of lzfse compression library
1847                   (for reading lzfse-compressed dmg images)
1848   zstd            support for zstd compression library
1849                   (for migration compression)
1850   seccomp         seccomp support
1851   coroutine-pool  coroutine freelist (better performance)
1852   glusterfs       GlusterFS backend
1853   tpm             TPM support
1854   libssh          ssh block device support
1855   numa            libnuma support
1856   libxml2         for Parallels image format
1857   tcmalloc        tcmalloc support
1858   jemalloc        jemalloc support
1859   avx2            AVX2 optimization support
1860   replication     replication support
1861   opengl          opengl support
1862   virglrenderer   virgl rendering support
1863   xfsctl          xfsctl support
1864   qom-cast-debug  cast debugging support
1865   tools           build qemu-io, qemu-nbd and qemu-img tools
1866   vxhs            Veritas HyperScale vDisk backend support
1867   bochs           bochs image format support
1868   cloop           cloop image format support
1869   dmg             dmg image format support
1870   qcow1           qcow v1 image format support
1871   vdi             vdi image format support
1872   vvfat           vvfat image format support
1873   qed             qed image format support
1874   parallels       parallels image format support
1875   sheepdog        sheepdog block driver support
1876   crypto-afalg    Linux AF_ALG crypto backend driver
1877   capstone        capstone disassembler support
1878   debug-mutex     mutex debugging support
1879   libpmem         libpmem support
1880   xkbcommon       xkbcommon support
1881
1882 NOTE: The object files are built at the place where configure is launched
1883 EOF
1884 exit 0
1885 fi
1886
1887 # Remove old dependency files to make sure that they get properly regenerated
1888 rm -f */config-devices.mak.d
1889
1890 # Remove syscall_nr.h to be sure they will be regenerated in the build
1891 # directory, not in the source directory
1892 for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
1893     ; do
1894     # remove the file if it has been generated in the source directory
1895     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
1896     # remove the dependency files
1897     find . -name "*.d" \
1898            -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
1899            -exec rm {} \;
1900 done
1901
1902 if test -z "$python"
1903 then
1904     error_exit "Python not found. Use --python=/path/to/python"
1905 fi
1906
1907 # Note that if the Python conditional here evaluates True we will exit
1908 # with status 1 which is a shell 'false' value.
1909 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1910   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1911       "Use --python=/path/to/python to specify a supported Python."
1912 fi
1913
1914 # Preserve python version since some functionality is dependent on it
1915 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)
1916
1917 # Suppress writing compiled files
1918 python="$python -B"
1919
1920 # Check that the C compiler works. Doing this here before testing
1921 # the host CPU ensures that we had a valid CC to autodetect the
1922 # $cpu var (and we should bail right here if that's not the case).
1923 # It also allows the help message to be printed without a CC.
1924 write_c_skeleton;
1925 if compile_object ; then
1926   : C compiler works ok
1927 else
1928     error_exit "\"$cc\" either does not exist or does not work"
1929 fi
1930 if ! compile_prog ; then
1931     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1932 fi
1933
1934 # Now we have handled --enable-tcg-interpreter and know we're not just
1935 # printing the help message, bail out if the host CPU isn't supported.
1936 if test "$ARCH" = "unknown"; then
1937     if test "$tcg_interpreter" = "yes" ; then
1938         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1939     else
1940         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1941     fi
1942 fi
1943
1944 # Consult white-list to determine whether to enable werror
1945 # by default.  Only enable by default for git builds
1946 if test -z "$werror" ; then
1947     if test -e "$source_path/.git" && \
1948         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1949         werror="yes"
1950     else
1951         werror="no"
1952     fi
1953 fi
1954
1955 if test "$bogus_os" = "yes"; then
1956     # Now that we know that we're not printing the help and that
1957     # the compiler works (so the results of the check_defines we used
1958     # to identify the OS are reliable), if we didn't recognize the
1959     # host OS we should stop now.
1960     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1961 fi
1962
1963 # Check whether the compiler matches our minimum requirements:
1964 cat > $TMPC << EOF
1965 #if defined(__clang_major__) && defined(__clang_minor__)
1966 # ifdef __apple_build_version__
1967 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1968 #   error You need at least XCode Clang v5.1 to compile QEMU
1969 #  endif
1970 # else
1971 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1972 #   error You need at least Clang v3.4 to compile QEMU
1973 #  endif
1974 # endif
1975 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1976 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1977 #  error You need at least GCC v4.8 to compile QEMU
1978 # endif
1979 #else
1980 # error You either need GCC or Clang to compiler QEMU
1981 #endif
1982 int main (void) { return 0; }
1983 EOF
1984 if ! compile_prog "" "" ; then
1985     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1986 fi
1987
1988 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1989 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1990 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1991 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1992 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1993 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1994 # Note that we do not add -Werror to gcc_flags here, because that would
1995 # enable it for all configure tests. If a configure test failed due
1996 # to -Werror this would just silently disable some features,
1997 # so it's too error prone.
1998
1999 cc_has_warning_flag() {
2000     write_c_skeleton;
2001
2002     # Use the positive sense of the flag when testing for -Wno-wombat
2003     # support (gcc will happily accept the -Wno- form of unknown
2004     # warning options).
2005     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2006     compile_prog "-Werror $optflag" ""
2007 }
2008
2009 for flag in $gcc_flags; do
2010     if cc_has_warning_flag $flag ; then
2011         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2012     fi
2013 done
2014
2015 if test "$stack_protector" != "no"; then
2016   cat > $TMPC << EOF
2017 int main(int argc, char *argv[])
2018 {
2019     char arr[64], *p = arr, *c = argv[0];
2020     while (*c) {
2021         *p++ = *c++;
2022     }
2023     return 0;
2024 }
2025 EOF
2026   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2027   sp_on=0
2028   for flag in $gcc_flags; do
2029     # We need to check both a compile and a link, since some compiler
2030     # setups fail only on a .c->.o compile and some only at link time
2031     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
2032        compile_prog "-Werror $flag" ""; then
2033       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2034       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2035       sp_on=1
2036       break
2037     fi
2038   done
2039   if test "$stack_protector" = yes; then
2040     if test $sp_on = 0; then
2041       error_exit "Stack protector not supported"
2042     fi
2043   fi
2044 fi
2045
2046 # Disable -Wmissing-braces on older compilers that warn even for
2047 # the "universal" C zero initializer {0}.
2048 cat > $TMPC << EOF
2049 struct {
2050   int a[2];
2051 } x = {0};
2052 EOF
2053 if compile_object "-Werror" "" ; then
2054   :
2055 else
2056   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2057 fi
2058
2059 # Our module code doesn't support Windows
2060 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2061   error_exit "Modules are not available for Windows"
2062 fi
2063
2064 # Static linking is not possible with modules or PIE
2065 if test "$static" = "yes" ; then
2066   if test "$modules" = "yes" ; then
2067     error_exit "static and modules are mutually incompatible"
2068   fi
2069   if test "$pie" = "yes" ; then
2070     error_exit "static and pie are mutually incompatible"
2071   else
2072     pie="no"
2073   fi
2074 fi
2075
2076 # Unconditional check for compiler __thread support
2077   cat > $TMPC << EOF
2078 static __thread int tls_var;
2079 int main(void) { return tls_var; }
2080 EOF
2081
2082 if ! compile_prog "-Werror" "" ; then
2083     error_exit "Your compiler does not support the __thread specifier for " \
2084         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2085 fi
2086
2087 if test "$pie" = ""; then
2088   case "$cpu-$targetos" in
2089     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2090       ;;
2091     *)
2092       pie="no"
2093       ;;
2094   esac
2095 fi
2096
2097 if test "$pie" != "no" ; then
2098   cat > $TMPC << EOF
2099
2100 #ifdef __linux__
2101 #  define THREAD __thread
2102 #else
2103 #  define THREAD
2104 #endif
2105
2106 static THREAD int tls_var;
2107
2108 int main(void) { return tls_var; }
2109
2110 EOF
2111   # check we support --no-pie first...
2112   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2113     CFLAGS_NOPIE="-fno-pie"
2114     LDFLAGS_NOPIE="-nopie"
2115   fi
2116
2117   if compile_prog "-fPIE -DPIE" "-pie"; then
2118     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2119     QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2120     pie="yes"
2121     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2122       QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2123     fi
2124   else
2125     if test "$pie" = "yes"; then
2126       error_exit "PIE not available due to missing toolchain support"
2127     else
2128       echo "Disabling PIE due to missing toolchain support"
2129       pie="no"
2130     fi
2131   fi
2132 fi
2133
2134 ##########################################
2135 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2136 # use i686 as default anyway, but for those that don't, an explicit
2137 # specification is necessary
2138
2139 if test "$cpu" = "i386"; then
2140   cat > $TMPC << EOF
2141 static int sfaa(int *ptr)
2142 {
2143   return __sync_fetch_and_and(ptr, 0);
2144 }
2145
2146 int main(void)
2147 {
2148   int val = 42;
2149   val = __sync_val_compare_and_swap(&val, 0, 1);
2150   sfaa(&val);
2151   return val;
2152 }
2153 EOF
2154   if ! compile_prog "" "" ; then
2155     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2156   fi
2157 fi
2158
2159 #########################################
2160 # Solaris specific configure tool chain decisions
2161
2162 if test "$solaris" = "yes" ; then
2163   if has $install; then
2164     :
2165   else
2166     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2167         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2168         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2169   fi
2170   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2171     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2172         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2173         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2174   fi
2175   if has ar; then
2176     :
2177   else
2178     if test -f /usr/ccs/bin/ar ; then
2179       error_exit "No path includes ar" \
2180           "Add /usr/ccs/bin to your path and rerun configure"
2181     fi
2182     error_exit "No path includes ar"
2183   fi
2184 fi
2185
2186 if test -z "${target_list+xxx}" ; then
2187     for target in $default_target_list; do
2188         supported_target $target 2>/dev/null && \
2189             target_list="$target_list $target"
2190     done
2191     target_list="${target_list# }"
2192 else
2193     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2194     for target in $target_list; do
2195         # Check that we recognised the target name; this allows a more
2196         # friendly error message than if we let it fall through.
2197         case " $default_target_list " in
2198             *" $target "*)
2199                 ;;
2200             *)
2201                 error_exit "Unknown target name '$target'"
2202                 ;;
2203         esac
2204         supported_target $target || exit 1
2205     done
2206 fi
2207
2208 # see if system emulation was really requested
2209 case " $target_list " in
2210   *"-softmmu "*) softmmu=yes
2211   ;;
2212   *) softmmu=no
2213   ;;
2214 esac
2215
2216 for target in $target_list; do
2217   case "$target" in
2218     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2219       edk2_blobs="yes"
2220       ;;
2221   esac
2222 done
2223 # The EDK2 binaries are compressed with bzip2
2224 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2225   error_exit "The bzip2 program is required for building QEMU"
2226 fi
2227
2228 feature_not_found() {
2229   feature=$1
2230   remedy=$2
2231
2232   error_exit "User requested feature $feature" \
2233       "configure was not able to find it." \
2234       "$remedy"
2235 }
2236
2237 # ---
2238 # big/little endian test
2239 cat > $TMPC << EOF
2240 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2241 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2242 extern int foo(short *, short *);
2243 int main(int argc, char *argv[]) {
2244     return foo(big_endian, little_endian);
2245 }
2246 EOF
2247
2248 if compile_object ; then
2249     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2250         bigendian="yes"
2251     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2252         bigendian="no"
2253     else
2254         echo big/little test failed
2255     fi
2256 else
2257     echo big/little test failed
2258 fi
2259
2260 ##########################################
2261 # system tools
2262 if test -z "$want_tools"; then
2263     if test "$softmmu" = "no"; then
2264         want_tools=no
2265     else
2266         want_tools=yes
2267     fi
2268 fi
2269
2270 ##########################################
2271 # cocoa implies not SDL or GTK
2272 # (the cocoa UI code currently assumes it is always the active UI
2273 # and doesn't interact well with other UI frontend code)
2274 if test "$cocoa" = "yes"; then
2275     if test "$sdl" = "yes"; then
2276         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2277     fi
2278     if test "$gtk" = "yes"; then
2279         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2280     fi
2281     gtk=no
2282     sdl=no
2283 fi
2284
2285 # Some versions of Mac OS X incorrectly define SIZE_MAX
2286 cat > $TMPC << EOF
2287 #include <stdint.h>
2288 #include <stdio.h>
2289 int main(int argc, char *argv[]) {
2290     return printf("%zu", SIZE_MAX);
2291 }
2292 EOF
2293 have_broken_size_max=no
2294 if ! compile_object -Werror ; then
2295     have_broken_size_max=yes
2296 fi
2297
2298 ##########################################
2299 # L2TPV3 probe
2300
2301 cat > $TMPC <<EOF
2302 #include <sys/socket.h>
2303 #include <linux/ip.h>
2304 int main(void) { return sizeof(struct mmsghdr); }
2305 EOF
2306 if compile_prog "" "" ; then
2307   l2tpv3=yes
2308 else
2309   l2tpv3=no
2310 fi
2311
2312 #########################################
2313 # vhost interdependencies and host support
2314
2315 # vhost backends
2316 test "$vhost_user" = "" && vhost_user=yes
2317 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2318   error_exit "vhost-user isn't available on win32"
2319 fi
2320 test "$vhost_kernel" = "" && vhost_kernel=$linux
2321 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2322   error_exit "vhost-kernel is only available on Linux"
2323 fi
2324
2325 # vhost-kernel devices
2326 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2327 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2328   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2329 fi
2330 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2331 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2332   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2333 fi
2334
2335 # vhost-user backends
2336 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2337 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2338   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2339 fi
2340 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2341 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2342   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2343 fi
2344 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2345 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2346   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2347 fi
2348
2349 # OR the vhost-kernel and vhost-user values for simplicity
2350 if test "$vhost_net" = ""; then
2351   test "$vhost_net_user" = "yes" && vhost_net=yes
2352   test "$vhost_kernel" = "yes" && vhost_net=yes
2353 fi
2354
2355 ##########################################
2356 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2357
2358 if test "$mingw32" = "yes"; then
2359     # Some versions of MinGW / Mingw-w64 lack localtime_r
2360     # and gmtime_r entirely.
2361     #
2362     # Some versions of Mingw-w64 define a macro for
2363     # localtime_r/gmtime_r.
2364     #
2365     # Some versions of Mingw-w64 will define functions
2366     # for localtime_r/gmtime_r, but only if you have
2367     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2368     # though, unistd.h and pthread.h both define
2369     # that for you.
2370     #
2371     # So this #undef localtime_r and #include <unistd.h>
2372     # are not in fact redundant.
2373 cat > $TMPC << EOF
2374 #include <unistd.h>
2375 #include <time.h>
2376 #undef localtime_r
2377 int main(void) { localtime_r(NULL, NULL); return 0; }
2378 EOF
2379     if compile_prog "" "" ; then
2380         localtime_r="yes"
2381     else
2382         localtime_r="no"
2383     fi
2384 fi
2385
2386 ##########################################
2387 # pkg-config probe
2388
2389 if ! has "$pkg_config_exe"; then
2390   error_exit "pkg-config binary '$pkg_config_exe' not found"
2391 fi
2392
2393 ##########################################
2394 # NPTL probe
2395
2396 if test "$linux_user" = "yes"; then
2397   cat > $TMPC <<EOF
2398 #include <sched.h>
2399 #include <linux/futex.h>
2400 int main(void) {
2401 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2402 #error bork
2403 #endif
2404   return 0;
2405 }
2406 EOF
2407   if ! compile_object ; then
2408     feature_not_found "nptl" "Install glibc and linux kernel headers."
2409   fi
2410 fi
2411
2412 ##########################################
2413 # lzo check
2414
2415 if test "$lzo" != "no" ; then
2416     cat > $TMPC << EOF
2417 #include <lzo/lzo1x.h>
2418 int main(void) { lzo_version(); return 0; }
2419 EOF
2420     if compile_prog "" "-llzo2" ; then
2421         libs_softmmu="$libs_softmmu -llzo2"
2422         lzo="yes"
2423     else
2424         if test "$lzo" = "yes"; then
2425             feature_not_found "liblzo2" "Install liblzo2 devel"
2426         fi
2427         lzo="no"
2428     fi
2429 fi
2430
2431 ##########################################
2432 # snappy check
2433
2434 if test "$snappy" != "no" ; then
2435     cat > $TMPC << EOF
2436 #include <snappy-c.h>
2437 int main(void) { snappy_max_compressed_length(4096); return 0; }
2438 EOF
2439     if compile_prog "" "-lsnappy" ; then
2440         libs_softmmu="$libs_softmmu -lsnappy"
2441         snappy="yes"
2442     else
2443         if test "$snappy" = "yes"; then
2444             feature_not_found "libsnappy" "Install libsnappy devel"
2445         fi
2446         snappy="no"
2447     fi
2448 fi
2449
2450 ##########################################
2451 # bzip2 check
2452
2453 if test "$bzip2" != "no" ; then
2454     cat > $TMPC << EOF
2455 #include <bzlib.h>
2456 int main(void) { BZ2_bzlibVersion(); return 0; }
2457 EOF
2458     if compile_prog "" "-lbz2" ; then
2459         bzip2="yes"
2460     else
2461         if test "$bzip2" = "yes"; then
2462             feature_not_found "libbzip2" "Install libbzip2 devel"
2463         fi
2464         bzip2="no"
2465     fi
2466 fi
2467
2468 ##########################################
2469 # lzfse check
2470
2471 if test "$lzfse" != "no" ; then
2472     cat > $TMPC << EOF
2473 #include <lzfse.h>
2474 int main(void) { lzfse_decode_scratch_size(); return 0; }
2475 EOF
2476     if compile_prog "" "-llzfse" ; then
2477         lzfse="yes"
2478     else
2479         if test "$lzfse" = "yes"; then
2480             feature_not_found "lzfse" "Install lzfse devel"
2481         fi
2482         lzfse="no"
2483     fi
2484 fi
2485
2486 ##########################################
2487 # zstd check
2488
2489 if test "$zstd" != "no" ; then
2490     if $pkg_config --exist libzstd ; then
2491         zstd_cflags="$($pkg_config --cflags libzstd)"
2492         zstd_libs="$($pkg_config --libs libzstd)"
2493         LIBS="$zstd_libs $LIBS"
2494         QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
2495         zstd="yes"
2496     else
2497         if test "$zstd" = "yes" ; then
2498             feature_not_found "libzstd" "Install libzstd devel"
2499         fi
2500         zstd="no"
2501     fi
2502 fi
2503
2504 ##########################################
2505 # libseccomp check
2506
2507 if test "$seccomp" != "no" ; then
2508     libseccomp_minver="2.3.0"
2509     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2510         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2511         seccomp_libs="$($pkg_config --libs libseccomp)"
2512         seccomp="yes"
2513     else
2514         if test "$seccomp" = "yes" ; then
2515             feature_not_found "libseccomp" \
2516                  "Install libseccomp devel >= $libseccomp_minver"
2517         fi
2518         seccomp="no"
2519     fi
2520 fi
2521 ##########################################
2522 # xen probe
2523
2524 if test "$xen" != "no" ; then
2525   # Check whether Xen library path is specified via --extra-ldflags to avoid
2526   # overriding this setting with pkg-config output. If not, try pkg-config
2527   # to obtain all needed flags.
2528
2529   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2530      $pkg_config --exists xencontrol ; then
2531     xen_ctrl_version="$(printf '%d%02d%02d' \
2532       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2533     xen=yes
2534     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2535     xen_pc="$xen_pc xenevtchn xendevicemodel"
2536     if $pkg_config --exists xentoolcore; then
2537       xen_pc="$xen_pc xentoolcore"
2538     fi
2539     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2540     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2541   else
2542
2543     xen_libs="-lxenstore -lxenctrl -lxenguest"
2544     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2545
2546     # First we test whether Xen headers and libraries are available.
2547     # If no, we are done and there is no Xen support.
2548     # If yes, more tests are run to detect the Xen version.
2549
2550     # Xen (any)
2551     cat > $TMPC <<EOF
2552 #include <xenctrl.h>
2553 int main(void) {
2554   return 0;
2555 }
2556 EOF
2557     if ! compile_prog "" "$xen_libs" ; then
2558       # Xen not found
2559       if test "$xen" = "yes" ; then
2560         feature_not_found "xen" "Install xen devel"
2561       fi
2562       xen=no
2563
2564     # Xen unstable
2565     elif
2566         cat > $TMPC <<EOF &&
2567 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2568 #define __XEN_TOOLS__
2569 #include <xendevicemodel.h>
2570 #include <xenforeignmemory.h>
2571 int main(void) {
2572   xendevicemodel_handle *xd;
2573   xenforeignmemory_handle *xfmem;
2574
2575   xd = xendevicemodel_open(0, 0);
2576   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2577
2578   xfmem = xenforeignmemory_open(0, 0);
2579   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2580
2581   return 0;
2582 }
2583 EOF
2584         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2585       then
2586       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2587       xen_ctrl_version=41100
2588       xen=yes
2589     elif
2590         cat > $TMPC <<EOF &&
2591 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2592 #include <xenforeignmemory.h>
2593 #include <xentoolcore.h>
2594 int main(void) {
2595   xenforeignmemory_handle *xfmem;
2596
2597   xfmem = xenforeignmemory_open(0, 0);
2598   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2599   xentoolcore_restrict_all(0);
2600
2601   return 0;
2602 }
2603 EOF
2604         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2605       then
2606       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2607       xen_ctrl_version=41000
2608       xen=yes
2609     elif
2610         cat > $TMPC <<EOF &&
2611 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2612 #define __XEN_TOOLS__
2613 #include <xendevicemodel.h>
2614 int main(void) {
2615   xendevicemodel_handle *xd;
2616
2617   xd = xendevicemodel_open(0, 0);
2618   xendevicemodel_close(xd);
2619
2620   return 0;
2621 }
2622 EOF
2623         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2624       then
2625       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2626       xen_ctrl_version=40900
2627       xen=yes
2628     elif
2629         cat > $TMPC <<EOF &&
2630 /*
2631  * If we have stable libs the we don't want the libxc compat
2632  * layers, regardless of what CFLAGS we may have been given.
2633  *
2634  * Also, check if xengnttab_grant_copy_segment_t is defined and
2635  * grant copy operation is implemented.
2636  */
2637 #undef XC_WANT_COMPAT_EVTCHN_API
2638 #undef XC_WANT_COMPAT_GNTTAB_API
2639 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2640 #include <xenctrl.h>
2641 #include <xenstore.h>
2642 #include <xenevtchn.h>
2643 #include <xengnttab.h>
2644 #include <xenforeignmemory.h>
2645 #include <stdint.h>
2646 #include <xen/hvm/hvm_info_table.h>
2647 #if !defined(HVM_MAX_VCPUS)
2648 # error HVM_MAX_VCPUS not defined
2649 #endif
2650 int main(void) {
2651   xc_interface *xc = NULL;
2652   xenforeignmemory_handle *xfmem;
2653   xenevtchn_handle *xe;
2654   xengnttab_handle *xg;
2655   xengnttab_grant_copy_segment_t* seg = NULL;
2656
2657   xs_daemon_open();
2658
2659   xc = xc_interface_open(0, 0, 0);
2660   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2661   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2662   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2663   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2664
2665   xfmem = xenforeignmemory_open(0, 0);
2666   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2667
2668   xe = xenevtchn_open(0, 0);
2669   xenevtchn_fd(xe);
2670
2671   xg = xengnttab_open(0, 0);
2672   xengnttab_grant_copy(xg, 0, seg);
2673
2674   return 0;
2675 }
2676 EOF
2677         compile_prog "" "$xen_libs $xen_stable_libs"
2678       then
2679       xen_ctrl_version=40800
2680       xen=yes
2681     elif
2682         cat > $TMPC <<EOF &&
2683 /*
2684  * If we have stable libs the we don't want the libxc compat
2685  * layers, regardless of what CFLAGS we may have been given.
2686  */
2687 #undef XC_WANT_COMPAT_EVTCHN_API
2688 #undef XC_WANT_COMPAT_GNTTAB_API
2689 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2690 #include <xenctrl.h>
2691 #include <xenstore.h>
2692 #include <xenevtchn.h>
2693 #include <xengnttab.h>
2694 #include <xenforeignmemory.h>
2695 #include <stdint.h>
2696 #include <xen/hvm/hvm_info_table.h>
2697 #if !defined(HVM_MAX_VCPUS)
2698 # error HVM_MAX_VCPUS not defined
2699 #endif
2700 int main(void) {
2701   xc_interface *xc = NULL;
2702   xenforeignmemory_handle *xfmem;
2703   xenevtchn_handle *xe;
2704   xengnttab_handle *xg;
2705
2706   xs_daemon_open();
2707
2708   xc = xc_interface_open(0, 0, 0);
2709   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2710   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2711   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2712   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2713
2714   xfmem = xenforeignmemory_open(0, 0);
2715   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2716
2717   xe = xenevtchn_open(0, 0);
2718   xenevtchn_fd(xe);
2719
2720   xg = xengnttab_open(0, 0);
2721   xengnttab_map_grant_ref(xg, 0, 0, 0);
2722
2723   return 0;
2724 }
2725 EOF
2726         compile_prog "" "$xen_libs $xen_stable_libs"
2727       then
2728       xen_ctrl_version=40701
2729       xen=yes
2730
2731     # Xen 4.6
2732     elif
2733         cat > $TMPC <<EOF &&
2734 #include <xenctrl.h>
2735 #include <xenstore.h>
2736 #include <stdint.h>
2737 #include <xen/hvm/hvm_info_table.h>
2738 #if !defined(HVM_MAX_VCPUS)
2739 # error HVM_MAX_VCPUS not defined
2740 #endif
2741 int main(void) {
2742   xc_interface *xc;
2743   xs_daemon_open();
2744   xc = xc_interface_open(0, 0, 0);
2745   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2746   xc_gnttab_open(NULL, 0);
2747   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2748   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2749   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2750   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2751   return 0;
2752 }
2753 EOF
2754         compile_prog "" "$xen_libs"
2755       then
2756       xen_ctrl_version=40600
2757       xen=yes
2758
2759     # Xen 4.5
2760     elif
2761         cat > $TMPC <<EOF &&
2762 #include <xenctrl.h>
2763 #include <xenstore.h>
2764 #include <stdint.h>
2765 #include <xen/hvm/hvm_info_table.h>
2766 #if !defined(HVM_MAX_VCPUS)
2767 # error HVM_MAX_VCPUS not defined
2768 #endif
2769 int main(void) {
2770   xc_interface *xc;
2771   xs_daemon_open();
2772   xc = xc_interface_open(0, 0, 0);
2773   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2774   xc_gnttab_open(NULL, 0);
2775   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2776   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2777   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2778   return 0;
2779 }
2780 EOF
2781         compile_prog "" "$xen_libs"
2782       then
2783       xen_ctrl_version=40500
2784       xen=yes
2785
2786     elif
2787         cat > $TMPC <<EOF &&
2788 #include <xenctrl.h>
2789 #include <xenstore.h>
2790 #include <stdint.h>
2791 #include <xen/hvm/hvm_info_table.h>
2792 #if !defined(HVM_MAX_VCPUS)
2793 # error HVM_MAX_VCPUS not defined
2794 #endif
2795 int main(void) {
2796   xc_interface *xc;
2797   xs_daemon_open();
2798   xc = xc_interface_open(0, 0, 0);
2799   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2800   xc_gnttab_open(NULL, 0);
2801   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2802   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2803   return 0;
2804 }
2805 EOF
2806         compile_prog "" "$xen_libs"
2807       then
2808       xen_ctrl_version=40200
2809       xen=yes
2810
2811     else
2812       if test "$xen" = "yes" ; then
2813         feature_not_found "xen (unsupported version)" \
2814                           "Install a supported xen (xen 4.2 or newer)"
2815       fi
2816       xen=no
2817     fi
2818
2819     if test "$xen" = yes; then
2820       if test $xen_ctrl_version -ge 40701  ; then
2821         libs_softmmu="$xen_stable_libs $libs_softmmu"
2822       fi
2823       libs_softmmu="$xen_libs $libs_softmmu"
2824     fi
2825   fi
2826 fi
2827
2828 if test "$xen_pci_passthrough" != "no"; then
2829   if test "$xen" = "yes" && test "$linux" = "yes"; then
2830     xen_pci_passthrough=yes
2831   else
2832     if test "$xen_pci_passthrough" = "yes"; then
2833       error_exit "User requested feature Xen PCI Passthrough" \
2834           " but this feature requires /sys from Linux"
2835     fi
2836     xen_pci_passthrough=no
2837   fi
2838 fi
2839
2840 ##########################################
2841 # Windows Hypervisor Platform accelerator (WHPX) check
2842 if test "$whpx" != "no" ; then
2843     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2844         whpx="yes"
2845     else
2846         if test "$whpx" = "yes"; then
2847             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2848         fi
2849         whpx="no"
2850     fi
2851 fi
2852
2853 ##########################################
2854 # Sparse probe
2855 if test "$sparse" != "no" ; then
2856   if has cgcc; then
2857     sparse=yes
2858   else
2859     if test "$sparse" = "yes" ; then
2860       feature_not_found "sparse" "Install sparse binary"
2861     fi
2862     sparse=no
2863   fi
2864 fi
2865
2866 ##########################################
2867 # X11 probe
2868 if $pkg_config --exists "x11"; then
2869     have_x11=yes
2870     x11_cflags=$($pkg_config --cflags x11)
2871     x11_libs=$($pkg_config --libs x11)
2872 fi
2873
2874 ##########################################
2875 # GTK probe
2876
2877 if test "$gtk" != "no"; then
2878     gtkpackage="gtk+-3.0"
2879     gtkx11package="gtk+-x11-3.0"
2880     gtkversion="3.14.0"
2881     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2882         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2883         gtk_libs=$($pkg_config --libs $gtkpackage)
2884         gtk_version=$($pkg_config --modversion $gtkpackage)
2885         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2886             need_x11=yes
2887             gtk_cflags="$gtk_cflags $x11_cflags"
2888             gtk_libs="$gtk_libs $x11_libs"
2889         fi
2890         gtk="yes"
2891     elif test "$gtk" = "yes"; then
2892         feature_not_found "gtk" "Install gtk3-devel"
2893     else
2894         gtk="no"
2895     fi
2896 fi
2897
2898
2899 ##########################################
2900 # GNUTLS probe
2901
2902 if test "$gnutls" != "no"; then
2903     pass="no"
2904     if $pkg_config --exists "gnutls >= 3.1.18"; then
2905         gnutls_cflags=$($pkg_config --cflags gnutls)
2906         gnutls_libs=$($pkg_config --libs gnutls)
2907         # Packaging for the static libraries is not always correct.
2908         # At least ubuntu 18.04 ships only shared libraries.
2909         write_c_skeleton
2910         if compile_prog "" "$gnutls_libs" ; then
2911             LIBS="$gnutls_libs $LIBS"
2912             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2913             pass="yes"
2914         fi
2915     fi
2916     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2917         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2918     else
2919         gnutls="$pass"
2920     fi
2921 fi
2922
2923
2924 # If user didn't give a --disable/enable-gcrypt flag,
2925 # then mark as disabled if user requested nettle
2926 # explicitly
2927 if test -z "$gcrypt"
2928 then
2929     if test "$nettle" = "yes"
2930     then
2931         gcrypt="no"
2932     fi
2933 fi
2934
2935 # If user didn't give a --disable/enable-nettle flag,
2936 # then mark as disabled if user requested gcrypt
2937 # explicitly
2938 if test -z "$nettle"
2939 then
2940     if test "$gcrypt" = "yes"
2941     then
2942         nettle="no"
2943     fi
2944 fi
2945
2946 has_libgcrypt() {
2947     if ! has "libgcrypt-config"
2948     then
2949         return 1
2950     fi
2951
2952     if test -n "$cross_prefix"
2953     then
2954         host=$(libgcrypt-config --host)
2955         if test "$host-" != $cross_prefix
2956         then
2957             return 1
2958         fi
2959     fi
2960
2961     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2962     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2963
2964     if test $maj != 1 || test $min -lt 5
2965     then
2966        return 1
2967     fi
2968
2969     return 0
2970 }
2971
2972
2973 if test "$nettle" != "no"; then
2974     pass="no"
2975     if $pkg_config --exists "nettle >= 2.7.1"; then
2976         nettle_cflags=$($pkg_config --cflags nettle)
2977         nettle_libs=$($pkg_config --libs nettle)
2978         nettle_version=$($pkg_config --modversion nettle)
2979         # Link test to make sure the given libraries work (e.g for static).
2980         write_c_skeleton
2981         if compile_prog "" "$nettle_libs" ; then
2982             LIBS="$nettle_libs $LIBS"
2983             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2984             if test -z "$gcrypt"; then
2985                gcrypt="no"
2986             fi
2987             pass="yes"
2988         fi
2989     fi
2990     if test "$pass" = "yes"
2991     then
2992         cat > $TMPC << EOF
2993 #include <nettle/xts.h>
2994 int main(void) {
2995   return 0;
2996 }
2997 EOF
2998         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2999             nettle_xts=yes
3000             qemu_private_xts=no
3001         fi
3002     fi
3003     if test "$pass" = "no" && test "$nettle" = "yes"; then
3004         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3005     else
3006         nettle="$pass"
3007     fi
3008 fi
3009
3010 if test "$gcrypt" != "no"; then
3011     pass="no"
3012     if has_libgcrypt; then
3013         gcrypt_cflags=$(libgcrypt-config --cflags)
3014         gcrypt_libs=$(libgcrypt-config --libs)
3015         # Debian has removed -lgpg-error from libgcrypt-config
3016         # as it "spreads unnecessary dependencies" which in
3017         # turn breaks static builds...
3018         if test "$static" = "yes"
3019         then
3020             gcrypt_libs="$gcrypt_libs -lgpg-error"
3021         fi
3022
3023         # Link test to make sure the given libraries work (e.g for static).
3024         write_c_skeleton
3025         if compile_prog "" "$gcrypt_libs" ; then
3026             LIBS="$gcrypt_libs $LIBS"
3027             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
3028             pass="yes"
3029         fi
3030     fi
3031     if test "$pass" = "yes"; then
3032         gcrypt="yes"
3033         cat > $TMPC << EOF
3034 #include <gcrypt.h>
3035 int main(void) {
3036   gcry_mac_hd_t handle;
3037   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3038                 GCRY_MAC_FLAG_SECURE, NULL);
3039   return 0;
3040 }
3041 EOF
3042         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3043             gcrypt_hmac=yes
3044         fi
3045         cat > $TMPC << EOF
3046 #include <gcrypt.h>
3047 int main(void) {
3048   gcry_cipher_hd_t handle;
3049   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3050   return 0;
3051 }
3052 EOF
3053         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3054             gcrypt_xts=yes
3055             qemu_private_xts=no
3056         fi
3057     elif test "$gcrypt" = "yes"; then
3058         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3059     else
3060         gcrypt="no"
3061     fi
3062 fi
3063
3064
3065 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3066 then
3067     error_exit "Only one of gcrypt & nettle can be enabled"
3068 fi
3069
3070 ##########################################
3071 # libtasn1 - only for the TLS creds/session test suite
3072
3073 tasn1=yes
3074 tasn1_cflags=""
3075 tasn1_libs=""
3076 if $pkg_config --exists "libtasn1"; then
3077     tasn1_cflags=$($pkg_config --cflags libtasn1)
3078     tasn1_libs=$($pkg_config --libs libtasn1)
3079 else
3080     tasn1=no
3081 fi
3082
3083
3084 ##########################################
3085 # PAM probe
3086
3087 if test "$auth_pam" != "no"; then
3088     cat > $TMPC <<EOF
3089 #include <security/pam_appl.h>
3090 #include <stdio.h>
3091 int main(void) {
3092    const char *service_name = "qemu";
3093    const char *user = "frank";
3094    const struct pam_conv pam_conv = { 0 };
3095    pam_handle_t *pamh = NULL;
3096    pam_start(service_name, user, &pam_conv, &pamh);
3097    return 0;
3098 }
3099 EOF
3100     if compile_prog "" "-lpam" ; then
3101         auth_pam=yes
3102     else
3103         if test "$auth_pam" = "yes"; then
3104             feature_not_found "PAM" "Install PAM development package"
3105         else
3106             auth_pam=no
3107         fi
3108     fi
3109 fi
3110
3111 ##########################################
3112 # getifaddrs (for tests/test-io-channel-socket )
3113
3114 have_ifaddrs_h=yes
3115 if ! check_include "ifaddrs.h" ; then
3116   have_ifaddrs_h=no
3117 fi
3118
3119 ##########################################
3120 # VTE probe
3121
3122 if test "$vte" != "no"; then
3123     vteminversion="0.32.0"
3124     if $pkg_config --exists "vte-2.91"; then
3125       vtepackage="vte-2.91"
3126     else
3127       vtepackage="vte-2.90"
3128     fi
3129     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3130         vte_cflags=$($pkg_config --cflags $vtepackage)
3131         vte_libs=$($pkg_config --libs $vtepackage)
3132         vteversion=$($pkg_config --modversion $vtepackage)
3133         vte="yes"
3134     elif test "$vte" = "yes"; then
3135         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3136     else
3137         vte="no"
3138     fi
3139 fi
3140
3141 ##########################################
3142 # SDL probe
3143
3144 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3145 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3146
3147 sdl_probe ()
3148 {
3149   if $pkg_config sdl2 --exists; then
3150     sdlconfig="$pkg_config sdl2"
3151     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3152   elif has "$sdl2_config"; then
3153     sdlconfig="$sdl2_config"
3154     sdlversion=$($sdlconfig --version)
3155   else
3156     if test "$sdl" = "yes" ; then
3157       feature_not_found "sdl" "Install SDL2-devel"
3158     fi
3159     sdl=no
3160     # no need to do the rest
3161     return
3162   fi
3163   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3164     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3165   fi
3166
3167   cat > $TMPC << EOF
3168 #include <SDL.h>
3169 #undef main /* We don't want SDL to override our main() */
3170 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3171 EOF
3172   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3173   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3174   if test "$static" = "yes" ; then
3175     if $pkg_config sdl2 --exists; then
3176       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3177     else
3178       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3179     fi
3180   else
3181     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3182   fi
3183   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3184     sdl=yes
3185
3186     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3187     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3188       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3189          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3190          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3191       fi
3192       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3193         :
3194       else
3195         sdl=no
3196       fi
3197     fi # static link
3198   else # sdl not found
3199     if test "$sdl" = "yes" ; then
3200       feature_not_found "sdl" "Install SDL2 devel"
3201     fi
3202     sdl=no
3203   fi # sdl compile test
3204 }
3205
3206 sdl_image_probe ()
3207 {
3208     if test "$sdl_image" != "no" ; then
3209         if $pkg_config SDL2_image --exists; then
3210             if test "$static" = "yes"; then
3211                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3212             else
3213                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3214             fi
3215             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3216             sdl_image=yes
3217
3218             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3219             sdl_libs="$sdl_libs $sdl_image_libs"
3220         else
3221             if test "$sdl_image" = "yes" ; then
3222                 feature_not_found "sdl_image" "Install SDL Image devel"
3223             else
3224                 sdl_image=no
3225             fi
3226         fi
3227     fi
3228 }
3229
3230 if test "$sdl" != "no" ; then
3231   sdl_probe
3232 fi
3233
3234 if test "$sdl" = "yes" ; then
3235   sdl_image_probe
3236 else
3237   if test "$sdl_image" = "yes"; then
3238     echo "warning: SDL Image requested, but SDL is not available, disabling"
3239   fi
3240   sdl_image=no
3241 fi
3242
3243 if test "$sdl" = "yes" ; then
3244   cat > $TMPC <<EOF
3245 #include <SDL.h>
3246 #if defined(SDL_VIDEO_DRIVER_X11)
3247 #include <X11/XKBlib.h>
3248 #else
3249 #error No x11 support
3250 #endif
3251 int main(void) { return 0; }
3252 EOF
3253   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3254     need_x11=yes
3255     sdl_cflags="$sdl_cflags $x11_cflags"
3256     sdl_libs="$sdl_libs $x11_libs"
3257   fi
3258 fi
3259
3260 ##########################################
3261 # RDMA needs OpenFabrics libraries
3262 if test "$rdma" != "no" ; then
3263   cat > $TMPC <<EOF
3264 #include <rdma/rdma_cma.h>
3265 int main(void) { return 0; }
3266 EOF
3267   rdma_libs="-lrdmacm -libverbs -libumad"
3268   if compile_prog "" "$rdma_libs" ; then
3269     rdma="yes"
3270     libs_softmmu="$libs_softmmu $rdma_libs"
3271   else
3272     if test "$rdma" = "yes" ; then
3273         error_exit \
3274             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3275             " Your options:" \
3276             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3277             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3278             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3279     fi
3280     rdma="no"
3281   fi
3282 fi
3283
3284 ##########################################
3285 # PVRDMA detection
3286
3287 cat > $TMPC <<EOF &&
3288 #include <sys/mman.h>
3289
3290 int
3291 main(void)
3292 {
3293     char buf = 0;
3294     void *addr = &buf;
3295     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3296
3297     return 0;
3298 }
3299 EOF
3300
3301 if test "$rdma" = "yes" ; then
3302     case "$pvrdma" in
3303     "")
3304         if compile_prog "" ""; then
3305             pvrdma="yes"
3306         else
3307             pvrdma="no"
3308         fi
3309         ;;
3310     "yes")
3311         if ! compile_prog "" ""; then
3312             error_exit "PVRDMA is not supported since mremap is not implemented"
3313         fi
3314         pvrdma="yes"
3315         ;;
3316     "no")
3317         pvrdma="no"
3318         ;;
3319     esac
3320 else
3321     if test "$pvrdma" = "yes" ; then
3322         error_exit "PVRDMA requires rdma suppport"
3323     fi
3324     pvrdma="no"
3325 fi
3326
3327 # Let's see if enhanced reg_mr is supported
3328 if test "$pvrdma" = "yes" ; then
3329
3330 cat > $TMPC <<EOF &&
3331 #include <infiniband/verbs.h>
3332
3333 int
3334 main(void)
3335 {
3336     struct ibv_mr *mr;
3337     struct ibv_pd *pd = NULL;
3338     size_t length = 10;
3339     uint64_t iova = 0;
3340     int access = 0;
3341     void *addr = NULL;
3342
3343     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3344
3345     ibv_dereg_mr(mr);
3346
3347     return 0;
3348 }
3349 EOF
3350     if ! compile_prog "" "-libverbs"; then
3351         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3352     fi
3353 fi
3354
3355 ##########################################
3356 # VNC SASL detection
3357 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3358   cat > $TMPC <<EOF
3359 #include <sasl/sasl.h>
3360 #include <stdio.h>
3361 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3362 EOF
3363   # Assuming Cyrus-SASL installed in /usr prefix
3364   vnc_sasl_cflags=""
3365   vnc_sasl_libs="-lsasl2"
3366   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3367     vnc_sasl=yes
3368     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3369     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3370   else
3371     if test "$vnc_sasl" = "yes" ; then
3372       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3373     fi
3374     vnc_sasl=no
3375   fi
3376 fi
3377
3378 ##########################################
3379 # VNC JPEG detection
3380 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3381 cat > $TMPC <<EOF
3382 #include <stdio.h>
3383 #include <jpeglib.h>
3384 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3385 EOF
3386     vnc_jpeg_cflags=""
3387     vnc_jpeg_libs="-ljpeg"
3388   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3389     vnc_jpeg=yes
3390     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3391     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3392   else
3393     if test "$vnc_jpeg" = "yes" ; then
3394       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3395     fi
3396     vnc_jpeg=no
3397   fi
3398 fi
3399
3400 ##########################################
3401 # VNC PNG detection
3402 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3403 cat > $TMPC <<EOF
3404 //#include <stdio.h>
3405 #include <png.h>
3406 #include <stddef.h>
3407 int main(void) {
3408     png_structp png_ptr;
3409     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3410     return png_ptr != 0;
3411 }
3412 EOF
3413   if $pkg_config libpng --exists; then
3414     vnc_png_cflags=$($pkg_config libpng --cflags)
3415     vnc_png_libs=$($pkg_config libpng --libs)
3416   else
3417     vnc_png_cflags=""
3418     vnc_png_libs="-lpng"
3419   fi
3420   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3421     vnc_png=yes
3422     libs_softmmu="$vnc_png_libs $libs_softmmu"
3423     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3424   else
3425     if test "$vnc_png" = "yes" ; then
3426       feature_not_found "vnc-png" "Install libpng devel"
3427     fi
3428     vnc_png=no
3429   fi
3430 fi
3431
3432 ##########################################
3433 # xkbcommon probe
3434 if test "$xkbcommon" != "no" ; then
3435   if $pkg_config xkbcommon --exists; then
3436     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3437     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3438     xkbcommon=yes
3439   else
3440     if test "$xkbcommon" = "yes" ; then
3441       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3442     fi
3443     xkbcommon=no
3444   fi
3445 fi
3446
3447
3448 ##########################################
3449 # xfsctl() probe, used for file-posix.c
3450 if test "$xfs" != "no" ; then
3451   cat > $TMPC << EOF
3452 #include <stddef.h>  /* NULL */
3453 #include <xfs/xfs.h>
3454 int main(void)
3455 {
3456     xfsctl(NULL, 0, 0, NULL);
3457     return 0;
3458 }
3459 EOF
3460   if compile_prog "" "" ; then
3461     xfs="yes"
3462   else
3463     if test "$xfs" = "yes" ; then
3464       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3465     fi
3466     xfs=no
3467   fi
3468 fi
3469
3470 ##########################################
3471 # vde libraries probe
3472 if test "$vde" != "no" ; then
3473   vde_libs="-lvdeplug"
3474   cat > $TMPC << EOF
3475 #include <libvdeplug.h>
3476 int main(void)
3477 {
3478     struct vde_open_args a = {0, 0, 0};
3479     char s[] = "";
3480     vde_open(s, s, &a);
3481     return 0;
3482 }
3483 EOF
3484   if compile_prog "" "$vde_libs" ; then
3485     vde=yes
3486   else
3487     if test "$vde" = "yes" ; then
3488       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3489     fi
3490     vde=no
3491   fi
3492 fi
3493
3494 ##########################################
3495 # netmap support probe
3496 # Apart from looking for netmap headers, we make sure that the host API version
3497 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3498 # a minor/major version number. Minor new features will be marked with values up
3499 # to 15, and if something happens that requires a change to the backend we will
3500 # move above 15, submit the backend fixes and modify this two bounds.
3501 if test "$netmap" != "no" ; then
3502   cat > $TMPC << EOF
3503 #include <inttypes.h>
3504 #include <net/if.h>
3505 #include <net/netmap.h>
3506 #include <net/netmap_user.h>
3507 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3508 #error
3509 #endif
3510 int main(void) { return 0; }
3511 EOF
3512   if compile_prog "" "" ; then
3513     netmap=yes
3514   else
3515     if test "$netmap" = "yes" ; then
3516       feature_not_found "netmap"
3517     fi
3518     netmap=no
3519   fi
3520 fi
3521
3522 ##########################################
3523 # libcap-ng library probe
3524 if test "$cap_ng" != "no" ; then
3525   cap_libs="-lcap-ng"
3526   cat > $TMPC << EOF
3527 #include <cap-ng.h>
3528 int main(void)
3529 {
3530     capng_capability_to_name(CAPNG_EFFECTIVE);
3531     return 0;
3532 }
3533 EOF
3534   if compile_prog "" "$cap_libs" ; then
3535     cap_ng=yes
3536     libs_tools="$cap_libs $libs_tools"
3537   else
3538     if test "$cap_ng" = "yes" ; then
3539       feature_not_found "cap_ng" "Install libcap-ng devel"
3540     fi
3541     cap_ng=no
3542   fi
3543 fi
3544
3545 ##########################################
3546 # Sound support libraries probe
3547
3548 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3549 for drv in $audio_drv_list; do
3550     case $drv in
3551     alsa | try-alsa)
3552     if $pkg_config alsa --exists; then
3553         alsa_libs=$($pkg_config alsa --libs)
3554         if test "$drv" = "try-alsa"; then
3555             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3556         fi
3557     else
3558         if test "$drv" = "try-alsa"; then
3559             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3560         else
3561             error_exit "$drv check failed" \
3562                 "Make sure to have the $drv libs and headers installed."
3563         fi
3564     fi
3565     ;;
3566
3567     pa | try-pa)
3568     if $pkg_config libpulse --exists; then
3569         pulse_libs=$($pkg_config libpulse --libs)
3570         if test "$drv" = "try-pa"; then
3571             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3572         fi
3573     else
3574         if test "$drv" = "try-pa"; then
3575             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3576         else
3577             error_exit "$drv check failed" \
3578                 "Make sure to have the $drv libs and headers installed."
3579         fi
3580     fi
3581     ;;
3582
3583     sdl)
3584     if test "$sdl" = "no"; then
3585         error_exit "sdl not found or disabled, can not use sdl audio driver"
3586     fi
3587     ;;
3588
3589     try-sdl)
3590     if test "$sdl" = "no"; then
3591         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3592     else
3593         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3594     fi
3595     ;;
3596
3597     coreaudio)
3598       coreaudio_libs="-framework CoreAudio"
3599     ;;
3600
3601     dsound)
3602       dsound_libs="-lole32 -ldxguid"
3603       audio_win_int="yes"
3604     ;;
3605
3606     oss)
3607       oss_libs="$oss_lib"
3608     ;;
3609
3610     *)
3611     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3612         error_exit "Unknown driver '$drv' selected" \
3613             "Possible drivers are: $audio_possible_drivers"
3614     }
3615     ;;
3616     esac
3617 done
3618
3619 ##########################################
3620 # BrlAPI probe
3621
3622 if test "$brlapi" != "no" ; then
3623   brlapi_libs="-lbrlapi"
3624   cat > $TMPC << EOF
3625 #include <brlapi.h>
3626 #include <stddef.h>
3627 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3628 EOF
3629   if compile_prog "" "$brlapi_libs" ; then
3630     brlapi=yes
3631   else
3632     if test "$brlapi" = "yes" ; then
3633       feature_not_found "brlapi" "Install brlapi devel"
3634     fi
3635     brlapi=no
3636   fi
3637 fi
3638
3639 ##########################################
3640 # iconv probe
3641 if test "$iconv" != "no" ; then
3642   cat > $TMPC << EOF
3643 #include <iconv.h>
3644 int main(void) {
3645   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3646   return conv != (iconv_t) -1;
3647 }
3648 EOF
3649   iconv_prefix_list="/usr/local:/usr"
3650   iconv_lib_list=":-liconv"
3651   IFS=:
3652   for iconv_prefix in $iconv_prefix_list; do
3653     IFS=:
3654     iconv_cflags="-I$iconv_prefix/include"
3655     iconv_ldflags="-L$iconv_prefix/lib"
3656     for iconv_link in $iconv_lib_list; do
3657       unset IFS
3658       iconv_lib="$iconv_ldflags $iconv_link"
3659       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3660       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3661         iconv_found=yes
3662         break
3663       fi
3664     done
3665     if test "$iconv_found" = yes ; then
3666       break
3667     fi
3668   done
3669   if test "$iconv_found" = "yes" ; then
3670     iconv=yes
3671   else
3672     if test "$iconv" = "yes" ; then
3673       feature_not_found "iconv" "Install iconv devel"
3674     fi
3675     iconv=no
3676   fi
3677 fi
3678
3679 ##########################################
3680 # curses probe
3681 if test "$iconv" = "no" ; then
3682   # curses will need iconv
3683   curses=no
3684 fi
3685 if test "$curses" != "no" ; then
3686   if test "$mingw32" = "yes" ; then
3687     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3688     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3689   else
3690     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3691     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3692   fi
3693   curses_found=no
3694   cat > $TMPC << EOF
3695 #include <locale.h>
3696 #include <curses.h>
3697 #include <wchar.h>
3698 #include <langinfo.h>
3699 int main(void) {
3700   const char *codeset;
3701   wchar_t wch = L'w';
3702   setlocale(LC_ALL, "");
3703   resize_term(0, 0);
3704   addwstr(L"wide chars\n");
3705   addnwstr(&wch, 1);
3706   add_wch(WACS_DEGREE);
3707   codeset = nl_langinfo(CODESET);
3708   return codeset != 0;
3709 }
3710 EOF
3711   IFS=:
3712   for curses_inc in $curses_inc_list; do
3713     # Make sure we get the wide character prototypes
3714     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3715     IFS=:
3716     for curses_lib in $curses_lib_list; do
3717       unset IFS
3718       if compile_prog "$curses_inc" "$curses_lib" ; then
3719         curses_found=yes
3720         break
3721       fi
3722     done
3723     if test "$curses_found" = yes ; then
3724       break
3725     fi
3726   done
3727   unset IFS
3728   if test "$curses_found" = "yes" ; then
3729     curses=yes
3730   else
3731     if test "$curses" = "yes" ; then
3732       feature_not_found "curses" "Install ncurses devel"
3733     fi
3734     curses=no
3735   fi
3736 fi
3737
3738 ##########################################
3739 # curl probe
3740 if test "$curl" != "no" ; then
3741   if $pkg_config libcurl --exists; then
3742     curlconfig="$pkg_config libcurl"
3743   else
3744     curlconfig=curl-config
3745   fi
3746   cat > $TMPC << EOF
3747 #include <curl/curl.h>
3748 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3749 EOF
3750   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3751   curl_libs=$($curlconfig --libs 2>/dev/null)
3752   if compile_prog "$curl_cflags" "$curl_libs" ; then
3753     curl=yes
3754   else
3755     if test "$curl" = "yes" ; then
3756       feature_not_found "curl" "Install libcurl devel"
3757     fi
3758     curl=no
3759   fi
3760 fi # test "$curl"
3761
3762 ##########################################
3763 # glib support probe
3764
3765 glib_req_ver=2.48
3766 glib_modules=gthread-2.0
3767 if test "$modules" = yes; then
3768     glib_modules="$glib_modules gmodule-export-2.0"
3769 fi
3770 if test "$plugins" = yes; then
3771     glib_modules="$glib_modules gmodule-2.0"
3772 fi
3773
3774 # This workaround is required due to a bug in pkg-config file for glib as it
3775 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3776
3777 if test "$static" = yes && test "$mingw32" = yes; then
3778     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3779 fi
3780
3781 for i in $glib_modules; do
3782     if $pkg_config --atleast-version=$glib_req_ver $i; then
3783         glib_cflags=$($pkg_config --cflags $i)
3784         glib_libs=$($pkg_config --libs $i)
3785         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3786         LIBS="$glib_libs $LIBS"
3787         libs_qga="$glib_libs $libs_qga"
3788     else
3789         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3790     fi
3791 done
3792
3793 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3794     gio=yes
3795     gio_cflags=$($pkg_config --cflags gio-2.0)
3796     gio_libs=$($pkg_config --libs gio-2.0)
3797     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3798     if [ ! -x "$gdbus_codegen" ]; then
3799         gdbus_codegen=
3800     fi
3801 else
3802     gio=no
3803 fi
3804
3805 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3806     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3807     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3808 fi
3809
3810 # Sanity check that the current size_t matches the
3811 # size that glib thinks it should be. This catches
3812 # problems on multi-arch where people try to build
3813 # 32-bit QEMU while pointing at 64-bit glib headers
3814 cat > $TMPC <<EOF
3815 #include <glib.h>
3816 #include <unistd.h>
3817
3818 #define QEMU_BUILD_BUG_ON(x) \
3819   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3820
3821 int main(void) {
3822    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3823    return 0;
3824 }
3825 EOF
3826
3827 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3828     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3829                "You probably need to set PKG_CONFIG_LIBDIR"\
3830                "to point to the right pkg-config files for your"\
3831                "build target"
3832 fi
3833
3834 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3835 cat > $TMPC << EOF
3836 #include <glib.h>
3837 int main(void) { return 0; }
3838 EOF
3839 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3840     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3841         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3842         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3843     fi
3844 fi
3845
3846 #########################################
3847 # zlib check
3848
3849 if test "$zlib" != "no" ; then
3850     if $pkg_config --exists zlib; then
3851         zlib_cflags=$($pkg_config --cflags zlib)
3852         zlib_libs=$($pkg_config --libs zlib)
3853         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3854         LIBS="$zlib_libs $LIBS"
3855     else
3856         cat > $TMPC << EOF
3857 #include <zlib.h>
3858 int main(void) { zlibVersion(); return 0; }
3859 EOF
3860         if compile_prog "" "-lz" ; then
3861             LIBS="$LIBS -lz"
3862         else
3863             error_exit "zlib check failed" \
3864                 "Make sure to have the zlib libs and headers installed."
3865         fi
3866     fi
3867 fi
3868
3869 ##########################################
3870 # SHA command probe for modules
3871 if test "$modules" = yes; then
3872     shacmd_probe="sha1sum sha1 shasum"
3873     for c in $shacmd_probe; do
3874         if has $c; then
3875             shacmd="$c"
3876             break
3877         fi
3878     done
3879     if test "$shacmd" = ""; then
3880         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3881     fi
3882 fi
3883
3884 ##########################################
3885 # pixman support probe
3886
3887 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3888   pixman_cflags=
3889   pixman_libs=
3890 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3891   pixman_cflags=$($pkg_config --cflags pixman-1)
3892   pixman_libs=$($pkg_config --libs pixman-1)
3893 else
3894   error_exit "pixman >= 0.21.8 not present." \
3895       "Please install the pixman devel package."
3896 fi
3897
3898 ##########################################
3899 # libmpathpersist probe
3900
3901 if test "$mpath" != "no" ; then
3902   # probe for the new API
3903   cat > $TMPC <<EOF
3904 #include <libudev.h>
3905 #include <mpath_persist.h>
3906 unsigned mpath_mx_alloc_len = 1024;
3907 int logsink;
3908 static struct config *multipath_conf;
3909 extern struct udev *udev;
3910 extern struct config *get_multipath_config(void);
3911 extern void put_multipath_config(struct config *conf);
3912 struct udev *udev;
3913 struct config *get_multipath_config(void) { return multipath_conf; }
3914 void put_multipath_config(struct config *conf) { }
3915
3916 int main(void) {
3917     udev = udev_new();
3918     multipath_conf = mpath_lib_init();
3919     return 0;
3920 }
3921 EOF
3922   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3923     mpathpersist=yes
3924     mpathpersist_new_api=yes
3925   else
3926     # probe for the old 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 int main(void) {
3933     struct udev *udev = udev_new();
3934     mpath_lib_init(udev);
3935     return 0;
3936 }
3937 EOF
3938     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3939       mpathpersist=yes
3940       mpathpersist_new_api=no
3941     else
3942       mpathpersist=no
3943     fi
3944   fi
3945 else
3946   mpathpersist=no
3947 fi
3948
3949 ##########################################
3950 # pthread probe
3951 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3952
3953 pthread=no
3954 cat > $TMPC << EOF
3955 #include <pthread.h>
3956 static void *f(void *p) { return NULL; }
3957 int main(void) {
3958   pthread_t thread;
3959   pthread_create(&thread, 0, f, 0);
3960   return 0;
3961 }
3962 EOF
3963 if compile_prog "" "" ; then
3964   pthread=yes
3965 else
3966   for pthread_lib in $PTHREADLIBS_LIST; do
3967     if compile_prog "" "$pthread_lib" ; then
3968       pthread=yes
3969       found=no
3970       for lib_entry in $LIBS; do
3971         if test "$lib_entry" = "$pthread_lib"; then
3972           found=yes
3973           break
3974         fi
3975       done
3976       if test "$found" = "no"; then
3977         LIBS="$pthread_lib $LIBS"
3978         libs_qga="$pthread_lib $libs_qga"
3979       fi
3980       PTHREAD_LIB="$pthread_lib"
3981       break
3982     fi
3983   done
3984 fi
3985
3986 if test "$mingw32" != yes && test "$pthread" = no; then
3987   error_exit "pthread check failed" \
3988       "Make sure to have the pthread libs and headers installed."
3989 fi
3990
3991 # check for pthread_setname_np with thread id
3992 pthread_setname_np_w_tid=no
3993 cat > $TMPC << EOF
3994 #include <pthread.h>
3995
3996 static void *f(void *p) { return NULL; }
3997 int main(void)
3998 {
3999     pthread_t thread;
4000     pthread_create(&thread, 0, f, 0);
4001     pthread_setname_np(thread, "QEMU");
4002     return 0;
4003 }
4004 EOF
4005 if compile_prog "" "$pthread_lib" ; then
4006   pthread_setname_np_w_tid=yes
4007 fi
4008
4009 # check for pthread_setname_np without thread id
4010 pthread_setname_np_wo_tid=no
4011 cat > $TMPC << EOF
4012 #include <pthread.h>
4013
4014 static void *f(void *p) { pthread_setname_np("QEMU"); }
4015 int main(void)
4016 {
4017     pthread_t thread;
4018     pthread_create(&thread, 0, f, 0);
4019     return 0;
4020 }
4021 EOF
4022 if compile_prog "" "$pthread_lib" ; then
4023   pthread_setname_np_wo_tid=yes
4024 fi
4025
4026 ##########################################
4027 # rbd probe
4028 if test "$rbd" != "no" ; then
4029   cat > $TMPC <<EOF
4030 #include <stdio.h>
4031 #include <rbd/librbd.h>
4032 int main(void) {
4033     rados_t cluster;
4034     rados_create(&cluster, NULL);
4035     return 0;
4036 }
4037 EOF
4038   rbd_libs="-lrbd -lrados"
4039   if compile_prog "" "$rbd_libs" ; then
4040     rbd=yes
4041   else
4042     if test "$rbd" = "yes" ; then
4043       feature_not_found "rados block device" "Install librbd/ceph devel"
4044     fi
4045     rbd=no
4046   fi
4047 fi
4048
4049 ##########################################
4050 # libssh probe
4051 if test "$libssh" != "no" ; then
4052   if $pkg_config --exists libssh; then
4053     libssh_cflags=$($pkg_config libssh --cflags)
4054     libssh_libs=$($pkg_config libssh --libs)
4055     libssh=yes
4056   else
4057     if test "$libssh" = "yes" ; then
4058       error_exit "libssh required for --enable-libssh"
4059     fi
4060     libssh=no
4061   fi
4062 fi
4063
4064 ##########################################
4065 # Check for libssh 0.8
4066 # This is done like this instead of using the LIBSSH_VERSION_* and
4067 # SSH_VERSION_* macros because some distributions in the past shipped
4068 # snapshots of the future 0.8 from Git, and those snapshots did not
4069 # have updated version numbers (still referring to 0.7.0).
4070
4071 if test "$libssh" = "yes"; then
4072   cat > $TMPC <<EOF
4073 #include <libssh/libssh.h>
4074 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4075 EOF
4076   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4077     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4078   fi
4079 fi
4080
4081 ##########################################
4082 # linux-aio probe
4083
4084 if test "$linux_aio" != "no" ; then
4085   cat > $TMPC <<EOF
4086 #include <libaio.h>
4087 #include <sys/eventfd.h>
4088 #include <stddef.h>
4089 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4090 EOF
4091   if compile_prog "" "-laio" ; then
4092     linux_aio=yes
4093   else
4094     if test "$linux_aio" = "yes" ; then
4095       feature_not_found "linux AIO" "Install libaio devel"
4096     fi
4097     linux_aio=no
4098   fi
4099 fi
4100 ##########################################
4101 # linux-io-uring probe
4102
4103 if test "$linux_io_uring" != "no" ; then
4104   if $pkg_config liburing; then
4105     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4106     linux_io_uring_libs=$($pkg_config --libs liburing)
4107     linux_io_uring=yes
4108   else
4109     if test "$linux_io_uring" = "yes" ; then
4110       feature_not_found "linux io_uring" "Install liburing devel"
4111     fi
4112     linux_io_uring=no
4113   fi
4114 fi
4115
4116 ##########################################
4117 # TPM emulation is only on POSIX
4118
4119 if test "$tpm" = ""; then
4120   if test "$mingw32" = "yes"; then
4121     tpm=no
4122   else
4123     tpm=yes
4124   fi
4125 elif test "$tpm" = "yes"; then
4126   if test "$mingw32" = "yes" ; then
4127     error_exit "TPM emulation only available on POSIX systems"
4128   fi
4129 fi
4130
4131 ##########################################
4132 # attr probe
4133
4134 if test "$attr" != "no" ; then
4135   cat > $TMPC <<EOF
4136 #include <stdio.h>
4137 #include <sys/types.h>
4138 #ifdef CONFIG_LIBATTR
4139 #include <attr/xattr.h>
4140 #else
4141 #include <sys/xattr.h>
4142 #endif
4143 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4144 EOF
4145   if compile_prog "" "" ; then
4146     attr=yes
4147   # Older distros have <attr/xattr.h>, and need -lattr:
4148   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4149     attr=yes
4150     LIBS="-lattr $LIBS"
4151     libattr=yes
4152   else
4153     if test "$attr" = "yes" ; then
4154       feature_not_found "ATTR" "Install libc6 or libattr devel"
4155     fi
4156     attr=no
4157   fi
4158 fi
4159
4160 ##########################################
4161 # iovec probe
4162 cat > $TMPC <<EOF
4163 #include <sys/types.h>
4164 #include <sys/uio.h>
4165 #include <unistd.h>
4166 int main(void) { return sizeof(struct iovec); }
4167 EOF
4168 iovec=no
4169 if compile_prog "" "" ; then
4170   iovec=yes
4171 fi
4172
4173 ##########################################
4174 # preadv probe
4175 cat > $TMPC <<EOF
4176 #include <sys/types.h>
4177 #include <sys/uio.h>
4178 #include <unistd.h>
4179 int main(void) { return preadv(0, 0, 0, 0); }
4180 EOF
4181 preadv=no
4182 if compile_prog "" "" ; then
4183   preadv=yes
4184 fi
4185
4186 ##########################################
4187 # fdt probe
4188 # fdt support is mandatory for at least some target architectures,
4189 # so insist on it if we're building those system emulators.
4190 fdt_required=no
4191 for target in $target_list; do
4192   case $target in
4193     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4194       fdt_required=yes
4195     ;;
4196   esac
4197 done
4198
4199 if test "$fdt_required" = "yes"; then
4200   if test "$fdt" = "no"; then
4201     error_exit "fdt disabled but some requested targets require it." \
4202       "You can turn off fdt only if you also disable all the system emulation" \
4203       "targets which need it (by specifying a cut down --target-list)."
4204   fi
4205   fdt=yes
4206 elif test "$fdt" != "yes" ; then
4207   fdt=no
4208 fi
4209
4210 # fdt is only required when building softmmu targets
4211 if test -z "$fdt" -a "$softmmu" != "yes" ; then
4212     fdt="no"
4213 fi
4214
4215 if test "$fdt" != "no" ; then
4216   fdt_libs="-lfdt"
4217   # explicitly check for libfdt_env.h as it is missing in some stable installs
4218   # and test for required functions to make sure we are on a version >= 1.4.2
4219   cat > $TMPC << EOF
4220 #include <libfdt.h>
4221 #include <libfdt_env.h>
4222 int main(void) { fdt_check_full(NULL, 0); return 0; }
4223 EOF
4224   if compile_prog "" "$fdt_libs" ; then
4225     # system DTC is good - use it
4226     fdt=system
4227   else
4228       # have GIT checkout, so activate dtc submodule
4229       if test -e "${source_path}/.git" ; then
4230           git_submodules="${git_submodules} dtc"
4231       fi
4232       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4233           fdt=git
4234           mkdir -p dtc
4235           if [ "$pwd_is_source_path" != "y" ] ; then
4236               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4237               symlink "$source_path/dtc/scripts" "dtc/scripts"
4238           fi
4239           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4240           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4241           fdt_libs="$fdt_libs"
4242       elif test "$fdt" = "yes" ; then
4243           # Not a git build & no libfdt found, prompt for system install
4244           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4245                      "Please install the DTC (libfdt) devel package"
4246       else
4247           # don't have and don't want
4248           fdt_libs=
4249           fdt=no
4250       fi
4251   fi
4252 fi
4253
4254 libs_softmmu="$libs_softmmu $fdt_libs"
4255
4256 ##########################################
4257 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4258
4259 gbm="no"
4260 if $pkg_config gbm; then
4261     gbm_cflags="$($pkg_config --cflags gbm)"
4262     gbm_libs="$($pkg_config --libs gbm)"
4263     gbm="yes"
4264 fi
4265
4266 if test "$opengl" != "no" ; then
4267   opengl_pkgs="epoxy gbm"
4268   if $pkg_config $opengl_pkgs; then
4269     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4270     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4271     opengl=yes
4272     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4273         gtk_gl="yes"
4274     fi
4275     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4276   else
4277     if test "$opengl" = "yes" ; then
4278       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4279     fi
4280     opengl_cflags=""
4281     opengl_libs=""
4282     opengl=no
4283   fi
4284 fi
4285
4286 if test "$opengl" = "yes"; then
4287   cat > $TMPC << EOF
4288 #include <epoxy/egl.h>
4289 #ifndef EGL_MESA_image_dma_buf_export
4290 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4291 #endif
4292 int main(void) { return 0; }
4293 EOF
4294   if compile_prog "" "" ; then
4295     opengl_dmabuf=yes
4296   fi
4297 fi
4298
4299 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4300   for target in $target_list; do
4301     case $target in
4302       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4303         need_x11=yes
4304       ;;
4305     esac
4306   done
4307 fi
4308
4309 ##########################################
4310 # libxml2 probe
4311 if test "$libxml2" != "no" ; then
4312     if $pkg_config --exists libxml-2.0; then
4313         libxml2="yes"
4314         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4315         libxml2_libs=$($pkg_config --libs libxml-2.0)
4316     else
4317         if test "$libxml2" = "yes"; then
4318             feature_not_found "libxml2" "Install libxml2 devel"
4319         fi
4320         libxml2="no"
4321     fi
4322 fi
4323
4324 ##########################################
4325 # glusterfs probe
4326 if test "$glusterfs" != "no" ; then
4327   if $pkg_config --atleast-version=3 glusterfs-api; then
4328     glusterfs="yes"
4329     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4330     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4331     if $pkg_config --atleast-version=4 glusterfs-api; then
4332       glusterfs_xlator_opt="yes"
4333     fi
4334     if $pkg_config --atleast-version=5 glusterfs-api; then
4335       glusterfs_discard="yes"
4336     fi
4337     if $pkg_config --atleast-version=6 glusterfs-api; then
4338       glusterfs_fallocate="yes"
4339       glusterfs_zerofill="yes"
4340     fi
4341     cat > $TMPC << EOF
4342 #include <glusterfs/api/glfs.h>
4343
4344 int
4345 main(void)
4346 {
4347         /* new glfs_ftruncate() passes two additional args */
4348         return glfs_ftruncate(NULL, 0, NULL, NULL);
4349 }
4350 EOF
4351     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4352       glusterfs_ftruncate_has_stat="yes"
4353     fi
4354     cat > $TMPC << EOF
4355 #include <glusterfs/api/glfs.h>
4356
4357 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4358 static void
4359 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4360 {}
4361
4362 int
4363 main(void)
4364 {
4365         glfs_io_cbk iocb = &glusterfs_iocb;
4366         iocb(NULL, 0 , NULL, NULL, NULL);
4367         return 0;
4368 }
4369 EOF
4370     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4371       glusterfs_iocb_has_stat="yes"
4372     fi
4373   else
4374     if test "$glusterfs" = "yes" ; then
4375       feature_not_found "GlusterFS backend support" \
4376           "Install glusterfs-api devel >= 3"
4377     fi
4378     glusterfs="no"
4379   fi
4380 fi
4381
4382 # Check for inotify functions when we are building linux-user
4383 # emulator.  This is done because older glibc versions don't
4384 # have syscall stubs for these implemented.  In that case we
4385 # don't provide them even if kernel supports them.
4386 #
4387 inotify=no
4388 cat > $TMPC << EOF
4389 #include <sys/inotify.h>
4390
4391 int
4392 main(void)
4393 {
4394         /* try to start inotify */
4395         return inotify_init();
4396 }
4397 EOF
4398 if compile_prog "" "" ; then
4399   inotify=yes
4400 fi
4401
4402 inotify1=no
4403 cat > $TMPC << EOF
4404 #include <sys/inotify.h>
4405
4406 int
4407 main(void)
4408 {
4409     /* try to start inotify */
4410     return inotify_init1(0);
4411 }
4412 EOF
4413 if compile_prog "" "" ; then
4414   inotify1=yes
4415 fi
4416
4417 # check if pipe2 is there
4418 pipe2=no
4419 cat > $TMPC << EOF
4420 #include <unistd.h>
4421 #include <fcntl.h>
4422
4423 int main(void)
4424 {
4425     int pipefd[2];
4426     return pipe2(pipefd, O_CLOEXEC);
4427 }
4428 EOF
4429 if compile_prog "" "" ; then
4430   pipe2=yes
4431 fi
4432
4433 # check if accept4 is there
4434 accept4=no
4435 cat > $TMPC << EOF
4436 #include <sys/socket.h>
4437 #include <stddef.h>
4438
4439 int main(void)
4440 {
4441     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4442     return 0;
4443 }
4444 EOF
4445 if compile_prog "" "" ; then
4446   accept4=yes
4447 fi
4448
4449 # check if tee/splice is there. vmsplice was added same time.
4450 splice=no
4451 cat > $TMPC << EOF
4452 #include <unistd.h>
4453 #include <fcntl.h>
4454 #include <limits.h>
4455
4456 int main(void)
4457 {
4458     int len, fd = 0;
4459     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4460     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4461     return 0;
4462 }
4463 EOF
4464 if compile_prog "" "" ; then
4465   splice=yes
4466 fi
4467
4468 ##########################################
4469 # libnuma probe
4470
4471 if test "$numa" != "no" ; then
4472   cat > $TMPC << EOF
4473 #include <numa.h>
4474 int main(void) { return numa_available(); }
4475 EOF
4476
4477   if compile_prog "" "-lnuma" ; then
4478     numa=yes
4479     libs_softmmu="-lnuma $libs_softmmu"
4480   else
4481     if test "$numa" = "yes" ; then
4482       feature_not_found "numa" "install numactl devel"
4483     fi
4484     numa=no
4485   fi
4486 fi
4487
4488 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4489     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4490     exit 1
4491 fi
4492
4493 # Even if malloc_trim() is available, these non-libc memory allocators
4494 # do not support it.
4495 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4496     if test "$malloc_trim" = "yes" ; then
4497         echo "Disabling malloc_trim with non-libc memory allocator"
4498     fi
4499     malloc_trim="no"
4500 fi
4501
4502 #######################################
4503 # malloc_trim
4504
4505 if test "$malloc_trim" != "no" ; then
4506     cat > $TMPC << EOF
4507 #include <malloc.h>
4508 int main(void) { malloc_trim(0); return 0; }
4509 EOF
4510     if compile_prog "" "" ; then
4511         malloc_trim="yes"
4512     else
4513         malloc_trim="no"
4514     fi
4515 fi
4516
4517 ##########################################
4518 # tcmalloc probe
4519
4520 if test "$tcmalloc" = "yes" ; then
4521   cat > $TMPC << EOF
4522 #include <stdlib.h>
4523 int main(void) { malloc(1); return 0; }
4524 EOF
4525
4526   if compile_prog "" "-ltcmalloc" ; then
4527     LIBS="-ltcmalloc $LIBS"
4528   else
4529     feature_not_found "tcmalloc" "install gperftools devel"
4530   fi
4531 fi
4532
4533 ##########################################
4534 # jemalloc probe
4535
4536 if test "$jemalloc" = "yes" ; then
4537   cat > $TMPC << EOF
4538 #include <stdlib.h>
4539 int main(void) { malloc(1); return 0; }
4540 EOF
4541
4542   if compile_prog "" "-ljemalloc" ; then
4543     LIBS="-ljemalloc $LIBS"
4544   else
4545     feature_not_found "jemalloc" "install jemalloc devel"
4546   fi
4547 fi
4548
4549 ##########################################
4550 # signalfd probe
4551 signalfd="no"
4552 cat > $TMPC << EOF
4553 #include <unistd.h>
4554 #include <sys/syscall.h>
4555 #include <signal.h>
4556 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4557 EOF
4558
4559 if compile_prog "" "" ; then
4560   signalfd=yes
4561 fi
4562
4563 # check if optreset global is declared by <getopt.h>
4564 optreset="no"
4565 cat > $TMPC << EOF
4566 #include <getopt.h>
4567 int main(void) { return optreset; }
4568 EOF
4569
4570 if compile_prog "" "" ; then
4571   optreset=yes
4572 fi
4573
4574 # check if eventfd is supported
4575 eventfd=no
4576 cat > $TMPC << EOF
4577 #include <sys/eventfd.h>
4578
4579 int main(void)
4580 {
4581     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4582 }
4583 EOF
4584 if compile_prog "" "" ; then
4585   eventfd=yes
4586 fi
4587
4588 # check if memfd is supported
4589 memfd=no
4590 cat > $TMPC << EOF
4591 #include <sys/mman.h>
4592
4593 int main(void)
4594 {
4595     return memfd_create("foo", MFD_ALLOW_SEALING);
4596 }
4597 EOF
4598 if compile_prog "" "" ; then
4599   memfd=yes
4600 fi
4601
4602 # check for usbfs
4603 have_usbfs=no
4604 if test "$linux_user" = "yes"; then
4605   cat > $TMPC << EOF
4606 #include <linux/usbdevice_fs.h>
4607
4608 #ifndef USBDEVFS_GET_CAPABILITIES
4609 #error "USBDEVFS_GET_CAPABILITIES undefined"
4610 #endif
4611
4612 #ifndef USBDEVFS_DISCONNECT_CLAIM
4613 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4614 #endif
4615
4616 int main(void)
4617 {
4618     return 0;
4619 }
4620 EOF
4621   if compile_prog "" ""; then
4622     have_usbfs=yes
4623   fi
4624 fi
4625
4626 # check for fallocate
4627 fallocate=no
4628 cat > $TMPC << EOF
4629 #include <fcntl.h>
4630
4631 int main(void)
4632 {
4633     fallocate(0, 0, 0, 0);
4634     return 0;
4635 }
4636 EOF
4637 if compile_prog "" "" ; then
4638   fallocate=yes
4639 fi
4640
4641 # check for fallocate hole punching
4642 fallocate_punch_hole=no
4643 cat > $TMPC << EOF
4644 #include <fcntl.h>
4645 #include <linux/falloc.h>
4646
4647 int main(void)
4648 {
4649     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4650     return 0;
4651 }
4652 EOF
4653 if compile_prog "" "" ; then
4654   fallocate_punch_hole=yes
4655 fi
4656
4657 # check that fallocate supports range zeroing inside the file
4658 fallocate_zero_range=no
4659 cat > $TMPC << EOF
4660 #include <fcntl.h>
4661 #include <linux/falloc.h>
4662
4663 int main(void)
4664 {
4665     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4666     return 0;
4667 }
4668 EOF
4669 if compile_prog "" "" ; then
4670   fallocate_zero_range=yes
4671 fi
4672
4673 # check for posix_fallocate
4674 posix_fallocate=no
4675 cat > $TMPC << EOF
4676 #include <fcntl.h>
4677
4678 int main(void)
4679 {
4680     posix_fallocate(0, 0, 0);
4681     return 0;
4682 }
4683 EOF
4684 if compile_prog "" "" ; then
4685     posix_fallocate=yes
4686 fi
4687
4688 # check for sync_file_range
4689 sync_file_range=no
4690 cat > $TMPC << EOF
4691 #include <fcntl.h>
4692
4693 int main(void)
4694 {
4695     sync_file_range(0, 0, 0, 0);
4696     return 0;
4697 }
4698 EOF
4699 if compile_prog "" "" ; then
4700   sync_file_range=yes
4701 fi
4702
4703 # check for linux/fiemap.h and FS_IOC_FIEMAP
4704 fiemap=no
4705 cat > $TMPC << EOF
4706 #include <sys/ioctl.h>
4707 #include <linux/fs.h>
4708 #include <linux/fiemap.h>
4709
4710 int main(void)
4711 {
4712     ioctl(0, FS_IOC_FIEMAP, 0);
4713     return 0;
4714 }
4715 EOF
4716 if compile_prog "" "" ; then
4717   fiemap=yes
4718 fi
4719
4720 # check for dup3
4721 dup3=no
4722 cat > $TMPC << EOF
4723 #include <unistd.h>
4724
4725 int main(void)
4726 {
4727     dup3(0, 0, 0);
4728     return 0;
4729 }
4730 EOF
4731 if compile_prog "" "" ; then
4732   dup3=yes
4733 fi
4734
4735 # check for ppoll support
4736 ppoll=no
4737 cat > $TMPC << EOF
4738 #include <poll.h>
4739
4740 int main(void)
4741 {
4742     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4743     ppoll(&pfd, 1, 0, 0);
4744     return 0;
4745 }
4746 EOF
4747 if compile_prog "" "" ; then
4748   ppoll=yes
4749 fi
4750
4751 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4752 prctl_pr_set_timerslack=no
4753 cat > $TMPC << EOF
4754 #include <sys/prctl.h>
4755
4756 int main(void)
4757 {
4758     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4759     return 0;
4760 }
4761 EOF
4762 if compile_prog "" "" ; then
4763   prctl_pr_set_timerslack=yes
4764 fi
4765
4766 # check for epoll support
4767 epoll=no
4768 cat > $TMPC << EOF
4769 #include <sys/epoll.h>
4770
4771 int main(void)
4772 {
4773     epoll_create(0);
4774     return 0;
4775 }
4776 EOF
4777 if compile_prog "" "" ; then
4778   epoll=yes
4779 fi
4780
4781 # epoll_create1 is a later addition
4782 # so we must check separately for its presence
4783 epoll_create1=no
4784 cat > $TMPC << EOF
4785 #include <sys/epoll.h>
4786
4787 int main(void)
4788 {
4789     /* Note that we use epoll_create1 as a value, not as
4790      * a function being called. This is necessary so that on
4791      * old SPARC glibc versions where the function was present in
4792      * the library but not declared in the header file we will
4793      * fail the configure check. (Otherwise we will get a compiler
4794      * warning but not an error, and will proceed to fail the
4795      * qemu compile where we compile with -Werror.)
4796      */
4797     return (int)(uintptr_t)&epoll_create1;
4798 }
4799 EOF
4800 if compile_prog "" "" ; then
4801   epoll_create1=yes
4802 fi
4803
4804 # check for sendfile support
4805 sendfile=no
4806 cat > $TMPC << EOF
4807 #include <sys/sendfile.h>
4808
4809 int main(void)
4810 {
4811     return sendfile(0, 0, 0, 0);
4812 }
4813 EOF
4814 if compile_prog "" "" ; then
4815   sendfile=yes
4816 fi
4817
4818 # check for timerfd support (glibc 2.8 and newer)
4819 timerfd=no
4820 cat > $TMPC << EOF
4821 #include <sys/timerfd.h>
4822
4823 int main(void)
4824 {
4825     return(timerfd_create(CLOCK_REALTIME, 0));
4826 }
4827 EOF
4828 if compile_prog "" "" ; then
4829   timerfd=yes
4830 fi
4831
4832 # check for setns and unshare support
4833 setns=no
4834 cat > $TMPC << EOF
4835 #include <sched.h>
4836
4837 int main(void)
4838 {
4839     int ret;
4840     ret = setns(0, 0);
4841     ret = unshare(0);
4842     return ret;
4843 }
4844 EOF
4845 if compile_prog "" "" ; then
4846   setns=yes
4847 fi
4848
4849 # clock_adjtime probe
4850 clock_adjtime=no
4851 cat > $TMPC <<EOF
4852 #include <time.h>
4853
4854 int main(void)
4855 {
4856     return clock_adjtime(0, 0);
4857 }
4858 EOF
4859 clock_adjtime=no
4860 if compile_prog "" "" ; then
4861   clock_adjtime=yes
4862 fi
4863
4864 # syncfs probe
4865 syncfs=no
4866 cat > $TMPC <<EOF
4867 #include <unistd.h>
4868
4869 int main(void)
4870 {
4871     return syncfs(0);
4872 }
4873 EOF
4874 syncfs=no
4875 if compile_prog "" "" ; then
4876   syncfs=yes
4877 fi
4878
4879 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4880 kcov=no
4881 if check_include sys/kcov.h ; then
4882     kcov=yes
4883 fi
4884
4885 # Check we have a new enough version of sphinx-build
4886 has_sphinx_build() {
4887     # This is a bit awkward but works: create a trivial document and
4888     # try to run it with our configuration file (which enforces a
4889     # version requirement). This will fail if either
4890     # sphinx-build doesn't exist at all or if it is too old.
4891     mkdir -p "$TMPDIR1/sphinx"
4892     touch "$TMPDIR1/sphinx/index.rst"
4893     "$sphinx_build" -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4894 }
4895
4896 # Check if tools are available to build documentation.
4897 if test "$docs" != "no" ; then
4898   if has_sphinx_build; then
4899     sphinx_ok=yes
4900   else
4901     sphinx_ok=no
4902   fi
4903   if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
4904     docs=yes
4905   else
4906     if test "$docs" = "yes" ; then
4907       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4908         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4909       fi
4910       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
4911     fi
4912     docs=no
4913   fi
4914 fi
4915
4916 # Search for bswap_32 function
4917 byteswap_h=no
4918 cat > $TMPC << EOF
4919 #include <byteswap.h>
4920 int main(void) { return bswap_32(0); }
4921 EOF
4922 if compile_prog "" "" ; then
4923   byteswap_h=yes
4924 fi
4925
4926 # Search for bswap32 function
4927 bswap_h=no
4928 cat > $TMPC << EOF
4929 #include <sys/endian.h>
4930 #include <sys/types.h>
4931 #include <machine/bswap.h>
4932 int main(void) { return bswap32(0); }
4933 EOF
4934 if compile_prog "" "" ; then
4935   bswap_h=yes
4936 fi
4937
4938 ##########################################
4939 # Do we have libiscsi >= 1.9.0
4940 if test "$libiscsi" != "no" ; then
4941   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4942     libiscsi="yes"
4943     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4944     libiscsi_libs=$($pkg_config --libs libiscsi)
4945   else
4946     if test "$libiscsi" = "yes" ; then
4947       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4948     fi
4949     libiscsi="no"
4950   fi
4951 fi
4952
4953 ##########################################
4954 # Do we need libm
4955 cat > $TMPC << EOF
4956 #include <math.h>
4957 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4958 EOF
4959 if compile_prog "" "" ; then
4960   :
4961 elif compile_prog "" "-lm" ; then
4962   LIBS="-lm $LIBS"
4963   libs_qga="-lm $libs_qga"
4964 else
4965   error_exit "libm check failed"
4966 fi
4967
4968 ##########################################
4969 # Do we need librt
4970 # uClibc provides 2 versions of clock_gettime(), one with realtime
4971 # support and one without. This means that the clock_gettime() don't
4972 # need -lrt. We still need it for timer_create() so we check for this
4973 # function in addition.
4974 cat > $TMPC <<EOF
4975 #include <signal.h>
4976 #include <time.h>
4977 int main(void) {
4978   timer_create(CLOCK_REALTIME, NULL, NULL);
4979   return clock_gettime(CLOCK_REALTIME, NULL);
4980 }
4981 EOF
4982
4983 if compile_prog "" "" ; then
4984   :
4985 # we need pthread for static linking. use previous pthread test result
4986 elif compile_prog "" "$pthread_lib -lrt" ; then
4987   LIBS="$LIBS -lrt"
4988   libs_qga="$libs_qga -lrt"
4989 fi
4990
4991 # Check whether we need to link libutil for openpty()
4992 cat > $TMPC << EOF
4993 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4994 int main(void) { return openpty(0, 0, 0, 0, 0); }
4995 EOF
4996
4997 if ! compile_prog "" "" ; then
4998   if compile_prog "" "-lutil" ; then
4999     libs_softmmu="-lutil $libs_softmmu"
5000     libs_tools="-lutil $libs_tools"
5001   fi
5002 fi
5003
5004 ##########################################
5005 # spice probe
5006 if test "$spice" != "no" ; then
5007   cat > $TMPC << EOF
5008 #include <spice.h>
5009 int main(void) { spice_server_new(); return 0; }
5010 EOF
5011   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
5012   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
5013   if $pkg_config --atleast-version=0.12.5 spice-server && \
5014      $pkg_config --atleast-version=0.12.3 spice-protocol && \
5015      compile_prog "$spice_cflags" "$spice_libs" ; then
5016     spice="yes"
5017     libs_softmmu="$libs_softmmu $spice_libs"
5018     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
5019     spice_protocol_version=$($pkg_config --modversion spice-protocol)
5020     spice_server_version=$($pkg_config --modversion spice-server)
5021   else
5022     if test "$spice" = "yes" ; then
5023       feature_not_found "spice" \
5024           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
5025     fi
5026     spice="no"
5027   fi
5028 fi
5029
5030 # check for smartcard support
5031 if test "$smartcard" != "no"; then
5032     if $pkg_config --atleast-version=2.5.1 libcacard; then
5033         libcacard_cflags=$($pkg_config --cflags libcacard)
5034         libcacard_libs=$($pkg_config --libs libcacard)
5035         smartcard="yes"
5036     else
5037         if test "$smartcard" = "yes"; then
5038             feature_not_found "smartcard" "Install libcacard devel"
5039         fi
5040         smartcard="no"
5041     fi
5042 fi
5043
5044 # check for libusb
5045 if test "$libusb" != "no" ; then
5046     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
5047         libusb="yes"
5048         libusb_cflags=$($pkg_config --cflags libusb-1.0)
5049         libusb_libs=$($pkg_config --libs libusb-1.0)
5050     else
5051         if test "$libusb" = "yes"; then
5052             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
5053         fi
5054         libusb="no"
5055     fi
5056 fi
5057
5058 # check for usbredirparser for usb network redirection support
5059 if test "$usb_redir" != "no" ; then
5060     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
5061         usb_redir="yes"
5062         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
5063         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
5064     else
5065         if test "$usb_redir" = "yes"; then
5066             feature_not_found "usb-redir" "Install usbredir devel"
5067         fi
5068         usb_redir="no"
5069     fi
5070 fi
5071
5072 ##########################################
5073 # check if we have VSS SDK headers for win
5074
5075 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5076         test "$vss_win32_sdk" != "no" ; then
5077   case "$vss_win32_sdk" in
5078     "")   vss_win32_include="-isystem $source_path" ;;
5079     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
5080           # handle path with spaces. So we symlink the headers into ".sdk/vss".
5081           vss_win32_include="-isystem $source_path/.sdk/vss"
5082           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
5083           ;;
5084     *)    vss_win32_include="-isystem $vss_win32_sdk"
5085   esac
5086   cat > $TMPC << EOF
5087 #define __MIDL_user_allocate_free_DEFINED__
5088 #include <inc/win2003/vss.h>
5089 int main(void) { return VSS_CTX_BACKUP; }
5090 EOF
5091   if compile_prog "$vss_win32_include" "" ; then
5092     guest_agent_with_vss="yes"
5093     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
5094     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5095     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5096   else
5097     if test "$vss_win32_sdk" != "" ; then
5098       echo "ERROR: Please download and install Microsoft VSS SDK:"
5099       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5100       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5101       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5102       echo "ERROR: The headers are extracted in the directory \`inc'."
5103       feature_not_found "VSS support"
5104     fi
5105     guest_agent_with_vss="no"
5106   fi
5107 fi
5108
5109 ##########################################
5110 # lookup Windows platform SDK (if not specified)
5111 # The SDK is needed only to build .tlb (type library) file of guest agent
5112 # VSS provider from the source. It is usually unnecessary because the
5113 # pre-compiled .tlb file is included.
5114
5115 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5116         test "$guest_agent_with_vss" = "yes" ; then
5117   if test -z "$win_sdk"; then
5118     programfiles="$PROGRAMFILES"
5119     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5120     if test -n "$programfiles"; then
5121       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5122     else
5123       feature_not_found "Windows SDK"
5124     fi
5125   elif test "$win_sdk" = "no"; then
5126     win_sdk=""
5127   fi
5128 fi
5129
5130 ##########################################
5131 # check if mingw environment provides a recent ntddscsi.h
5132 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5133   cat > $TMPC << EOF
5134 #include <windows.h>
5135 #include <ntddscsi.h>
5136 int main(void) {
5137 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5138 #error Missing required ioctl definitions
5139 #endif
5140   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5141   return addr.Lun;
5142 }
5143 EOF
5144   if compile_prog "" "" ; then
5145     guest_agent_ntddscsi=yes
5146     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5147   fi
5148 fi
5149
5150 ##########################################
5151 # virgl renderer probe
5152
5153 if test "$virglrenderer" != "no" ; then
5154   cat > $TMPC << EOF
5155 #include <virglrenderer.h>
5156 int main(void) { virgl_renderer_poll(); return 0; }
5157 EOF
5158   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5159   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5160   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5161   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5162      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5163     virglrenderer="yes"
5164   else
5165     if test "$virglrenderer" = "yes" ; then
5166       feature_not_found "virglrenderer"
5167     fi
5168     virglrenderer="no"
5169   fi
5170 fi
5171
5172 ##########################################
5173 # capstone
5174
5175 case "$capstone" in
5176   "" | yes)
5177     if $pkg_config capstone; then
5178       capstone=system
5179     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5180       capstone=git
5181     elif test -e "${source_path}/capstone/Makefile" ; then
5182       capstone=internal
5183     elif test -z "$capstone" ; then
5184       capstone=no
5185     else
5186       feature_not_found "capstone" "Install capstone devel or git submodule"
5187     fi
5188     ;;
5189
5190   system)
5191     if ! $pkg_config capstone; then
5192       feature_not_found "capstone" "Install capstone devel"
5193     fi
5194     ;;
5195 esac
5196
5197 case "$capstone" in
5198   git | internal)
5199     if test "$capstone" = git; then
5200       git_submodules="${git_submodules} capstone"
5201     fi
5202     mkdir -p capstone
5203     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5204     if test "$mingw32" = "yes"; then
5205       LIBCAPSTONE=capstone.lib
5206     else
5207       LIBCAPSTONE=libcapstone.a
5208     fi
5209     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5210     ;;
5211
5212   system)
5213     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5214     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5215     ;;
5216
5217   no)
5218     ;;
5219   *)
5220     error_exit "Unknown state for capstone: $capstone"
5221     ;;
5222 esac
5223
5224 ##########################################
5225 # check if we have fdatasync
5226
5227 fdatasync=no
5228 cat > $TMPC << EOF
5229 #include <unistd.h>
5230 int main(void) {
5231 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5232 return fdatasync(0);
5233 #else
5234 #error Not supported
5235 #endif
5236 }
5237 EOF
5238 if compile_prog "" "" ; then
5239     fdatasync=yes
5240 fi
5241
5242 ##########################################
5243 # check if we have madvise
5244
5245 madvise=no
5246 cat > $TMPC << EOF
5247 #include <sys/types.h>
5248 #include <sys/mman.h>
5249 #include <stddef.h>
5250 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5251 EOF
5252 if compile_prog "" "" ; then
5253     madvise=yes
5254 fi
5255
5256 ##########################################
5257 # check if we have posix_madvise
5258
5259 posix_madvise=no
5260 cat > $TMPC << EOF
5261 #include <sys/mman.h>
5262 #include <stddef.h>
5263 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5264 EOF
5265 if compile_prog "" "" ; then
5266     posix_madvise=yes
5267 fi
5268
5269 ##########################################
5270 # check if we have posix_memalign()
5271
5272 posix_memalign=no
5273 cat > $TMPC << EOF
5274 #include <stdlib.h>
5275 int main(void) {
5276     void *p;
5277     return posix_memalign(&p, 8, 8);
5278 }
5279 EOF
5280 if compile_prog "" "" ; then
5281     posix_memalign=yes
5282 fi
5283
5284 ##########################################
5285 # check if we have posix_syslog
5286
5287 posix_syslog=no
5288 cat > $TMPC << EOF
5289 #include <syslog.h>
5290 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5291 EOF
5292 if compile_prog "" "" ; then
5293     posix_syslog=yes
5294 fi
5295
5296 ##########################################
5297 # check if we have sem_timedwait
5298
5299 sem_timedwait=no
5300 cat > $TMPC << EOF
5301 #include <semaphore.h>
5302 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5303 EOF
5304 if compile_prog "" "" ; then
5305     sem_timedwait=yes
5306 fi
5307
5308 ##########################################
5309 # check if we have strchrnul
5310
5311 strchrnul=no
5312 cat > $TMPC << EOF
5313 #include <string.h>
5314 int main(void);
5315 // Use a haystack that the compiler shouldn't be able to constant fold
5316 char *haystack = (char*)&main;
5317 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5318 EOF
5319 if compile_prog "" "" ; then
5320     strchrnul=yes
5321 fi
5322
5323 #########################################
5324 # check if we have st_atim
5325
5326 st_atim=no
5327 cat > $TMPC << EOF
5328 #include <sys/stat.h>
5329 #include <stddef.h>
5330 int main(void) { return offsetof(struct stat, st_atim); }
5331 EOF
5332 if compile_prog "" "" ; then
5333     st_atim=yes
5334 fi
5335
5336 ##########################################
5337 # check if trace backend exists
5338
5339 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5340 if test "$?" -ne 0 ; then
5341   error_exit "invalid trace backends" \
5342       "Please choose supported trace backends."
5343 fi
5344
5345 ##########################################
5346 # For 'ust' backend, test if ust headers are present
5347 if have_backend "ust"; then
5348   cat > $TMPC << EOF
5349 #include <lttng/tracepoint.h>
5350 int main(void) { return 0; }
5351 EOF
5352   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5353     if $pkg_config lttng-ust --exists; then
5354       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5355     else
5356       lttng_ust_libs="-llttng-ust -ldl"
5357     fi
5358     if $pkg_config liburcu-bp --exists; then
5359       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5360     else
5361       urcu_bp_libs="-lurcu-bp"
5362     fi
5363
5364     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5365     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5366   else
5367     error_exit "Trace backend 'ust' missing lttng-ust header files"
5368   fi
5369 fi
5370
5371 ##########################################
5372 # For 'dtrace' backend, test if 'dtrace' command is present
5373 if have_backend "dtrace"; then
5374   if ! has 'dtrace' ; then
5375     error_exit "dtrace command is not found in PATH $PATH"
5376   fi
5377   trace_backend_stap="no"
5378   if has 'stap' ; then
5379     trace_backend_stap="yes"
5380   fi
5381 fi
5382
5383 ##########################################
5384 # check and set a backend for coroutine
5385
5386 # We prefer ucontext, but it's not always possible. The fallback
5387 # is sigcontext. On Windows the only valid backend is the Windows
5388 # specific one.
5389
5390 ucontext_works=no
5391 if test "$darwin" != "yes"; then
5392   cat > $TMPC << EOF
5393 #include <ucontext.h>
5394 #ifdef __stub_makecontext
5395 #error Ignoring glibc stub makecontext which will always fail
5396 #endif
5397 int main(void) { makecontext(0, 0, 0); return 0; }
5398 EOF
5399   if compile_prog "" "" ; then
5400     ucontext_works=yes
5401   fi
5402 fi
5403
5404 if test "$coroutine" = ""; then
5405   if test "$mingw32" = "yes"; then
5406     coroutine=win32
5407   elif test "$ucontext_works" = "yes"; then
5408     coroutine=ucontext
5409   else
5410     coroutine=sigaltstack
5411   fi
5412 else
5413   case $coroutine in
5414   windows)
5415     if test "$mingw32" != "yes"; then
5416       error_exit "'windows' coroutine backend only valid for Windows"
5417     fi
5418     # Unfortunately the user visible backend name doesn't match the
5419     # coroutine-*.c filename for this case, so we have to adjust it here.
5420     coroutine=win32
5421     ;;
5422   ucontext)
5423     if test "$ucontext_works" != "yes"; then
5424       feature_not_found "ucontext"
5425     fi
5426     ;;
5427   sigaltstack)
5428     if test "$mingw32" = "yes"; then
5429       error_exit "only the 'windows' coroutine backend is valid for Windows"
5430     fi
5431     ;;
5432   *)
5433     error_exit "unknown coroutine backend $coroutine"
5434     ;;
5435   esac
5436 fi
5437
5438 if test "$coroutine_pool" = ""; then
5439   coroutine_pool=yes
5440 fi
5441
5442 if test "$debug_stack_usage" = "yes"; then
5443   if test "$coroutine_pool" = "yes"; then
5444     echo "WARN: disabling coroutine pool for stack usage debugging"
5445     coroutine_pool=no
5446   fi
5447 fi
5448
5449
5450 ##########################################
5451 # check if we have open_by_handle_at
5452
5453 open_by_handle_at=no
5454 cat > $TMPC << EOF
5455 #include <fcntl.h>
5456 #if !defined(AT_EMPTY_PATH)
5457 # error missing definition
5458 #else
5459 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5460 #endif
5461 EOF
5462 if compile_prog "" "" ; then
5463     open_by_handle_at=yes
5464 fi
5465
5466 ########################################
5467 # check if we have linux/magic.h
5468
5469 linux_magic_h=no
5470 cat > $TMPC << EOF
5471 #include <linux/magic.h>
5472 int main(void) {
5473   return 0;
5474 }
5475 EOF
5476 if compile_prog "" "" ; then
5477     linux_magic_h=yes
5478 fi
5479
5480 ########################################
5481 # check whether we can disable warning option with a pragma (this is needed
5482 # to silence warnings in the headers of some versions of external libraries).
5483 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5484 # only a warning.
5485 #
5486 # If we can't selectively disable warning in the code, disable -Werror so that
5487 # the build doesn't fail anyway.
5488
5489 pragma_disable_unused_but_set=no
5490 cat > $TMPC << EOF
5491 #pragma GCC diagnostic push
5492 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5493 #pragma GCC diagnostic pop
5494
5495 int main(void) {
5496     return 0;
5497 }
5498 EOF
5499 if compile_prog "-Werror" "" ; then
5500     pragma_diagnostic_available=yes
5501 else
5502     werror=no
5503 fi
5504
5505 ########################################
5506 # check if we have valgrind/valgrind.h
5507
5508 valgrind_h=no
5509 cat > $TMPC << EOF
5510 #include <valgrind/valgrind.h>
5511 int main(void) {
5512   return 0;
5513 }
5514 EOF
5515 if compile_prog "" "" ; then
5516     valgrind_h=yes
5517 fi
5518
5519 ########################################
5520 # check if environ is declared
5521
5522 has_environ=no
5523 cat > $TMPC << EOF
5524 #include <unistd.h>
5525 int main(void) {
5526     environ = 0;
5527     return 0;
5528 }
5529 EOF
5530 if compile_prog "" "" ; then
5531     has_environ=yes
5532 fi
5533
5534 ########################################
5535 # check if cpuid.h is usable.
5536
5537 cat > $TMPC << EOF
5538 #include <cpuid.h>
5539 int main(void) {
5540     unsigned a, b, c, d;
5541     int max = __get_cpuid_max(0, 0);
5542
5543     if (max >= 1) {
5544         __cpuid(1, a, b, c, d);
5545     }
5546
5547     if (max >= 7) {
5548         __cpuid_count(7, 0, a, b, c, d);
5549     }
5550
5551     return 0;
5552 }
5553 EOF
5554 if compile_prog "" "" ; then
5555     cpuid_h=yes
5556 fi
5557
5558 ##########################################
5559 # avx2 optimization requirement check
5560 #
5561 # There is no point enabling this if cpuid.h is not usable,
5562 # since we won't be able to select the new routines.
5563
5564 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5565   cat > $TMPC << EOF
5566 #pragma GCC push_options
5567 #pragma GCC target("avx2")
5568 #include <cpuid.h>
5569 #include <immintrin.h>
5570 static int bar(void *a) {
5571     __m256i x = *(__m256i *)a;
5572     return _mm256_testz_si256(x, x);
5573 }
5574 int main(int argc, char *argv[]) { return bar(argv[0]); }
5575 EOF
5576   if compile_object "" ; then
5577     avx2_opt="yes"
5578   else
5579     avx2_opt="no"
5580   fi
5581 fi
5582
5583 ########################################
5584 # check if __[u]int128_t is usable.
5585
5586 int128=no
5587 cat > $TMPC << EOF
5588 __int128_t a;
5589 __uint128_t b;
5590 int main (void) {
5591   a = a + b;
5592   b = a * b;
5593   a = a * a;
5594   return 0;
5595 }
5596 EOF
5597 if compile_prog "" "" ; then
5598     int128=yes
5599 fi
5600
5601 #########################################
5602 # See if 128-bit atomic operations are supported.
5603
5604 atomic128=no
5605 if test "$int128" = "yes"; then
5606   cat > $TMPC << EOF
5607 int main(void)
5608 {
5609   unsigned __int128 x = 0, y = 0;
5610   y = __atomic_load_16(&x, 0);
5611   __atomic_store_16(&x, y, 0);
5612   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5613   return 0;
5614 }
5615 EOF
5616   if compile_prog "" "" ; then
5617     atomic128=yes
5618   fi
5619 fi
5620
5621 cmpxchg128=no
5622 if test "$int128" = yes && test "$atomic128" = no; then
5623   cat > $TMPC << EOF
5624 int main(void)
5625 {
5626   unsigned __int128 x = 0, y = 0;
5627   __sync_val_compare_and_swap_16(&x, y, x);
5628   return 0;
5629 }
5630 EOF
5631   if compile_prog "" "" ; then
5632     cmpxchg128=yes
5633   fi
5634 fi
5635
5636 #########################################
5637 # See if 64-bit atomic operations are supported.
5638 # Note that without __atomic builtins, we can only
5639 # assume atomic loads/stores max at pointer size.
5640
5641 cat > $TMPC << EOF
5642 #include <stdint.h>
5643 int main(void)
5644 {
5645   uint64_t x = 0, y = 0;
5646 #ifdef __ATOMIC_RELAXED
5647   y = __atomic_load_8(&x, 0);
5648   __atomic_store_8(&x, y, 0);
5649   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5650   __atomic_exchange_8(&x, y, 0);
5651   __atomic_fetch_add_8(&x, y, 0);
5652 #else
5653   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5654   __sync_lock_test_and_set(&x, y);
5655   __sync_val_compare_and_swap(&x, y, 0);
5656   __sync_fetch_and_add(&x, y);
5657 #endif
5658   return 0;
5659 }
5660 EOF
5661 if compile_prog "" "" ; then
5662   atomic64=yes
5663 fi
5664
5665 #########################################
5666 # See if --dynamic-list is supported by the linker
5667 ld_dynamic_list="no"
5668 if test "$static" = "no" ; then
5669     cat > $TMPTXT <<EOF
5670 {
5671   foo;
5672 };
5673 EOF
5674
5675     cat > $TMPC <<EOF
5676 #include <stdio.h>
5677 void foo(void);
5678
5679 void foo(void)
5680 {
5681   printf("foo\n");
5682 }
5683
5684 int main(void)
5685 {
5686   foo();
5687   return 0;
5688 }
5689 EOF
5690
5691     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5692         ld_dynamic_list="yes"
5693     fi
5694 fi
5695
5696 #########################################
5697 # See if -exported_symbols_list is supported by the linker
5698
5699 ld_exported_symbols_list="no"
5700 if test "$static" = "no" ; then
5701     cat > $TMPTXT <<EOF
5702   _foo
5703 EOF
5704
5705     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5706         ld_exported_symbols_list="yes"
5707     fi
5708 fi
5709
5710 if  test "$plugins" = "yes" &&
5711     test "$ld_dynamic_list" = "no" &&
5712     test "$ld_exported_symbols_list" = "no" ; then
5713   error_exit \
5714       "Plugin support requires dynamic linking and specifying a set of symbols " \
5715       "that are exported to plugins. Unfortunately your linker doesn't " \
5716       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5717       "for this purpose. You can't build with --static."
5718 fi
5719
5720 ########################################
5721 # See if 16-byte vector operations are supported.
5722 # Even without a vector unit the compiler may expand these.
5723 # There is a bug in old GCC for PPC that crashes here.
5724 # Unfortunately it's the system compiler for Centos 7.
5725
5726 cat > $TMPC << EOF
5727 typedef unsigned char U1 __attribute__((vector_size(16)));
5728 typedef unsigned short U2 __attribute__((vector_size(16)));
5729 typedef unsigned int U4 __attribute__((vector_size(16)));
5730 typedef unsigned long long U8 __attribute__((vector_size(16)));
5731 typedef signed char S1 __attribute__((vector_size(16)));
5732 typedef signed short S2 __attribute__((vector_size(16)));
5733 typedef signed int S4 __attribute__((vector_size(16)));
5734 typedef signed long long S8 __attribute__((vector_size(16)));
5735 static U1 a1, b1;
5736 static U2 a2, b2;
5737 static U4 a4, b4;
5738 static U8 a8, b8;
5739 static S1 c1;
5740 static S2 c2;
5741 static S4 c4;
5742 static S8 c8;
5743 static int i;
5744 void helper(void *d, void *a, int shift, int i);
5745 void helper(void *d, void *a, int shift, int i)
5746 {
5747   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5748   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5749   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5750   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5751 }
5752 int main(void)
5753 {
5754   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5755   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5756   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5757   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5758   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5759   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5760   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5761   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5762   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5763   return 0;
5764 }
5765 EOF
5766
5767 vector16=no
5768 if compile_prog "" "" ; then
5769   vector16=yes
5770 fi
5771
5772 ########################################
5773 # See if __attribute__((alias)) is supported.
5774 # This false for Xcode 9, but has been remedied for Xcode 10.
5775 # Unfortunately, travis uses Xcode 9 by default.
5776
5777 attralias=no
5778 cat > $TMPC << EOF
5779 int x = 1;
5780 extern const int y __attribute__((alias("x")));
5781 int main(void) { return 0; }
5782 EOF
5783 if compile_prog "" "" ; then
5784     attralias=yes
5785 fi
5786
5787 ########################################
5788 # check if getauxval is available.
5789
5790 getauxval=no
5791 cat > $TMPC << EOF
5792 #include <sys/auxv.h>
5793 int main(void) {
5794   return getauxval(AT_HWCAP) == 0;
5795 }
5796 EOF
5797 if compile_prog "" "" ; then
5798     getauxval=yes
5799 fi
5800
5801 ########################################
5802 # check if ccache is interfering with
5803 # semantic analysis of macros
5804
5805 unset CCACHE_CPP2
5806 ccache_cpp2=no
5807 cat > $TMPC << EOF
5808 static const int Z = 1;
5809 #define fn() ({ Z; })
5810 #define TAUT(X) ((X) == Z)
5811 #define PAREN(X, Y) (X == Y)
5812 #define ID(X) (X)
5813 int main(int argc, char *argv[])
5814 {
5815     int x = 0, y = 0;
5816     x = ID(x);
5817     x = fn();
5818     fn();
5819     if (PAREN(x, y)) return 0;
5820     if (TAUT(Z)) return 0;
5821     return 0;
5822 }
5823 EOF
5824
5825 if ! compile_object "-Werror"; then
5826     ccache_cpp2=yes
5827 fi
5828
5829 #################################################
5830 # clang does not support glibc + FORTIFY_SOURCE.
5831
5832 if test "$fortify_source" != "no"; then
5833   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5834     fortify_source="no";
5835   elif test -n "$cxx" && has $cxx &&
5836        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5837     fortify_source="no";
5838   else
5839     fortify_source="yes"
5840   fi
5841 fi
5842
5843 ###############################################
5844 # Check if copy_file_range is provided by glibc
5845 have_copy_file_range=no
5846 cat > $TMPC << EOF
5847 #include <unistd.h>
5848 int main(void) {
5849   copy_file_range(0, NULL, 0, NULL, 0, 0);
5850   return 0;
5851 }
5852 EOF
5853 if compile_prog "" "" ; then
5854     have_copy_file_range=yes
5855 fi
5856
5857 ##########################################
5858 # check if struct fsxattr is available via linux/fs.h
5859
5860 have_fsxattr=no
5861 cat > $TMPC << EOF
5862 #include <linux/fs.h>
5863 struct fsxattr foo;
5864 int main(void) {
5865   return 0;
5866 }
5867 EOF
5868 if compile_prog "" "" ; then
5869     have_fsxattr=yes
5870 fi
5871
5872 ##########################################
5873 # check for usable membarrier system call
5874 if test "$membarrier" = "yes"; then
5875     have_membarrier=no
5876     if test "$mingw32" = "yes" ; then
5877         have_membarrier=yes
5878     elif test "$linux" = "yes" ; then
5879         cat > $TMPC << EOF
5880     #include <linux/membarrier.h>
5881     #include <sys/syscall.h>
5882     #include <unistd.h>
5883     #include <stdlib.h>
5884     int main(void) {
5885         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5886         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5887         exit(0);
5888     }
5889 EOF
5890         if compile_prog "" "" ; then
5891             have_membarrier=yes
5892         fi
5893     fi
5894     if test "$have_membarrier" = "no"; then
5895       feature_not_found "membarrier" "membarrier system call not available"
5896     fi
5897 else
5898     # Do not enable it by default even for Mingw32, because it doesn't
5899     # work on Wine.
5900     membarrier=no
5901 fi
5902
5903 ##########################################
5904 # check if rtnetlink.h exists and is useful
5905 have_rtnetlink=no
5906 cat > $TMPC << EOF
5907 #include <linux/rtnetlink.h>
5908 int main(void) {
5909   return IFLA_PROTO_DOWN;
5910 }
5911 EOF
5912 if compile_prog "" "" ; then
5913     have_rtnetlink=yes
5914 fi
5915
5916 ##########################################
5917 # check for usable AF_VSOCK environment
5918 have_af_vsock=no
5919 cat > $TMPC << EOF
5920 #include <errno.h>
5921 #include <sys/types.h>
5922 #include <sys/socket.h>
5923 #if !defined(AF_VSOCK)
5924 # error missing AF_VSOCK flag
5925 #endif
5926 #include <linux/vm_sockets.h>
5927 int main(void) {
5928     int sock, ret;
5929     struct sockaddr_vm svm;
5930     socklen_t len = sizeof(svm);
5931     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5932     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5933     if ((ret == -1) && (errno == ENOTCONN)) {
5934         return 0;
5935     }
5936     return -1;
5937 }
5938 EOF
5939 if compile_prog "" "" ; then
5940     have_af_vsock=yes
5941 fi
5942
5943 ##########################################
5944 # check for usable AF_ALG environment
5945 have_afalg=no
5946 cat > $TMPC << EOF
5947 #include <errno.h>
5948 #include <sys/types.h>
5949 #include <sys/socket.h>
5950 #include <linux/if_alg.h>
5951 int main(void) {
5952     int sock;
5953     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5954     return sock;
5955 }
5956 EOF
5957 if compile_prog "" "" ; then
5958     have_afalg=yes
5959 fi
5960 if test "$crypto_afalg" = "yes"
5961 then
5962     if test "$have_afalg" != "yes"
5963     then
5964         error_exit "AF_ALG requested but could not be detected"
5965     fi
5966 fi
5967
5968
5969 #################################################
5970 # Check to see if we have the Hypervisor framework
5971 if [ "$darwin" = "yes" ] ; then
5972   cat > $TMPC << EOF
5973 #include <Hypervisor/hv.h>
5974 int main() { return 0;}
5975 EOF
5976   if ! compile_object ""; then
5977     hvf='no'
5978   else
5979     hvf='yes'
5980     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
5981   fi
5982 fi
5983
5984 #################################################
5985 # Sparc implicitly links with --relax, which is
5986 # incompatible with -r, so --no-relax should be
5987 # given. It does no harm to give it on other
5988 # platforms too.
5989
5990 # Note: the prototype is needed since QEMU_CFLAGS
5991 #       contains -Wmissing-prototypes
5992 cat > $TMPC << EOF
5993 extern int foo(void);
5994 int foo(void) { return 0; }
5995 EOF
5996 if ! compile_object ""; then
5997   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5998 fi
5999 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
6000   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
6001     LD_REL_FLAGS=$i
6002     break
6003   fi
6004 done
6005 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
6006   feature_not_found "modules" "Cannot find how to build relocatable objects"
6007 fi
6008
6009 ##########################################
6010 # check for sysmacros.h
6011
6012 have_sysmacros=no
6013 cat > $TMPC << EOF
6014 #include <sys/sysmacros.h>
6015 int main(void) {
6016     return makedev(0, 0);
6017 }
6018 EOF
6019 if compile_prog "" "" ; then
6020     have_sysmacros=yes
6021 fi
6022
6023 ##########################################
6024 # Veritas HyperScale block driver VxHS
6025 # Check if libvxhs is installed
6026
6027 if test "$vxhs" != "no" ; then
6028   cat > $TMPC <<EOF
6029 #include <stdint.h>
6030 #include <qnio/qnio_api.h>
6031
6032 void *vxhs_callback;
6033
6034 int main(void) {
6035     iio_init(QNIO_VERSION, vxhs_callback);
6036     return 0;
6037 }
6038 EOF
6039   vxhs_libs="-lvxhs -lssl"
6040   if compile_prog "" "$vxhs_libs" ; then
6041     vxhs=yes
6042   else
6043     if test "$vxhs" = "yes" ; then
6044       feature_not_found "vxhs block device" "Install libvxhs See github"
6045     fi
6046     vxhs=no
6047   fi
6048 fi
6049
6050 ##########################################
6051 # check for _Static_assert()
6052
6053 have_static_assert=no
6054 cat > $TMPC << EOF
6055 _Static_assert(1, "success");
6056 int main(void) {
6057     return 0;
6058 }
6059 EOF
6060 if compile_prog "" "" ; then
6061     have_static_assert=yes
6062 fi
6063
6064 ##########################################
6065 # check for utmpx.h, it is missing e.g. on OpenBSD
6066
6067 have_utmpx=no
6068 cat > $TMPC << EOF
6069 #include <utmpx.h>
6070 struct utmpx user_info;
6071 int main(void) {
6072     return 0;
6073 }
6074 EOF
6075 if compile_prog "" "" ; then
6076     have_utmpx=yes
6077 fi
6078
6079 ##########################################
6080 # check for getrandom()
6081
6082 have_getrandom=no
6083 cat > $TMPC << EOF
6084 #include <sys/random.h>
6085 int main(void) {
6086     return getrandom(0, 0, GRND_NONBLOCK);
6087 }
6088 EOF
6089 if compile_prog "" "" ; then
6090     have_getrandom=yes
6091 fi
6092
6093 ##########################################
6094 # checks for sanitizers
6095
6096 have_asan=no
6097 have_ubsan=no
6098 have_asan_iface_h=no
6099 have_asan_iface_fiber=no
6100
6101 if test "$sanitizers" = "yes" ; then
6102   write_c_skeleton
6103   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6104       have_asan=yes
6105   fi
6106
6107   # we could use a simple skeleton for flags checks, but this also
6108   # detect the static linking issue of ubsan, see also:
6109   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6110   cat > $TMPC << EOF
6111 #include <stdlib.h>
6112 int main(void) {
6113     void *tmp = malloc(10);
6114     return *(int *)(tmp + 2);
6115 }
6116 EOF
6117   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6118       have_ubsan=yes
6119   fi
6120
6121   if check_include "sanitizer/asan_interface.h" ; then
6122       have_asan_iface_h=yes
6123   fi
6124
6125   cat > $TMPC << EOF
6126 #include <sanitizer/asan_interface.h>
6127 int main(void) {
6128   __sanitizer_start_switch_fiber(0, 0, 0);
6129   return 0;
6130 }
6131 EOF
6132   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6133       have_asan_iface_fiber=yes
6134   fi
6135 fi
6136
6137 ##########################################
6138 # checks for fuzzer
6139 if test "$fuzzing" = "yes" ; then
6140   write_c_fuzzer_skeleton
6141   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
6142       have_fuzzer=yes
6143   fi
6144 fi
6145
6146 ##########################################
6147 # check for libpmem
6148
6149 if test "$libpmem" != "no"; then
6150         if $pkg_config --exists "libpmem"; then
6151                 libpmem="yes"
6152                 libpmem_libs=$($pkg_config --libs libpmem)
6153                 libpmem_cflags=$($pkg_config --cflags libpmem)
6154                 libs_softmmu="$libs_softmmu $libpmem_libs"
6155                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6156         else
6157                 if test "$libpmem" = "yes" ; then
6158                         feature_not_found "libpmem" "Install nvml or pmdk"
6159                 fi
6160                 libpmem="no"
6161         fi
6162 fi
6163
6164 ##########################################
6165 # check for slirp
6166
6167 # slirp is only required when building softmmu targets
6168 if test -z "$slirp" -a "$softmmu" != "yes" ; then
6169     slirp="no"
6170 fi
6171
6172 case "$slirp" in
6173   "" | yes)
6174     if $pkg_config slirp; then
6175       slirp=system
6176     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6177       slirp=git
6178     elif test -e "${source_path}/slirp/Makefile" ; then
6179       slirp=internal
6180     elif test -z "$slirp" ; then
6181       slirp=no
6182     else
6183       feature_not_found "slirp" "Install slirp devel or git submodule"
6184     fi
6185     ;;
6186
6187   system)
6188     if ! $pkg_config slirp; then
6189       feature_not_found "slirp" "Install slirp devel"
6190     fi
6191     ;;
6192 esac
6193
6194 case "$slirp" in
6195   git | internal)
6196     if test "$slirp" = git; then
6197       git_submodules="${git_submodules} slirp"
6198     fi
6199     mkdir -p slirp
6200     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6201     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6202     if test "$mingw32" = "yes" ; then
6203       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6204     fi
6205     ;;
6206
6207   system)
6208     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6209     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6210     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6211     ;;
6212
6213   no)
6214     ;;
6215   *)
6216     error_exit "Unknown state for slirp: $slirp"
6217     ;;
6218 esac
6219
6220
6221 ##########################################
6222 # End of CC checks
6223 # After here, no more $cc or $ld runs
6224
6225 write_c_skeleton
6226
6227 if test "$gcov" = "yes" ; then
6228   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6229   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6230 elif test "$fortify_source" = "yes" ; then
6231   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6232 elif test "$debug" = "no"; then
6233   CFLAGS="-O2 $CFLAGS"
6234 fi
6235
6236 if test "$have_asan" = "yes"; then
6237   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6238   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6239   if test "$have_asan_iface_h" = "no" ; then
6240       echo "ASAN build enabled, but ASAN header missing." \
6241            "Without code annotation, the report may be inferior."
6242   elif test "$have_asan_iface_fiber" = "no" ; then
6243       echo "ASAN build enabled, but ASAN header is too old." \
6244            "Without code annotation, the report may be inferior."
6245   fi
6246 fi
6247 if test "$have_ubsan" = "yes"; then
6248   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6249   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6250 fi
6251
6252 ##########################################
6253 # Do we have libnfs
6254 if test "$libnfs" != "no" ; then
6255   if $pkg_config --atleast-version=1.9.3 libnfs; then
6256     libnfs="yes"
6257     libnfs_libs=$($pkg_config --libs libnfs)
6258   else
6259     if test "$libnfs" = "yes" ; then
6260       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6261     fi
6262     libnfs="no"
6263   fi
6264 fi
6265
6266 ##########################################
6267 # Do we have libudev
6268 if test "$libudev" != "no" ; then
6269   if $pkg_config libudev && test "$static" != "yes"; then
6270     libudev="yes"
6271     libudev_libs=$($pkg_config --libs libudev)
6272   else
6273     libudev="no"
6274   fi
6275 fi
6276
6277 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6278 if test "$werror" = "yes"; then
6279     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6280 fi
6281
6282 if test "$solaris" = "no" ; then
6283     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6284         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6285     fi
6286 fi
6287
6288 # test if pod2man has --utf8 option
6289 if pod2man --help | grep -q utf8; then
6290     POD2MAN="pod2man --utf8"
6291 else
6292     POD2MAN="pod2man"
6293 fi
6294
6295 # Use ASLR, no-SEH and DEP if available
6296 if test "$mingw32" = "yes" ; then
6297     for flag in --dynamicbase --no-seh --nxcompat; do
6298         if ld_has $flag ; then
6299             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6300         fi
6301     done
6302 fi
6303
6304 # Disable OpenBSD W^X if available
6305 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6306     cat > $TMPC <<EOF
6307     int main(void) { return 0; }
6308 EOF
6309     wx_ldflags="-Wl,-z,wxneeded"
6310     if compile_prog "" "$wx_ldflags"; then
6311         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6312     fi
6313 fi
6314
6315 qemu_confdir=$sysconfdir$confsuffix
6316 qemu_moddir=$libdir$confsuffix
6317 qemu_datadir=$datadir$confsuffix
6318 qemu_localedir="$datadir/locale"
6319 qemu_icondir="$datadir/icons"
6320 qemu_desktopdir="$datadir/applications"
6321
6322 # We can only support ivshmem if we have eventfd
6323 if [ "$eventfd" = "yes" ]; then
6324   ivshmem=yes
6325 fi
6326
6327 tools=""
6328 if test "$want_tools" = "yes" ; then
6329   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6330   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6331     tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
6332   fi
6333   if [ "$ivshmem" = "yes" ]; then
6334     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6335   fi
6336   if [ "$curl" = "yes" ]; then
6337       tools="elf2dmp\$(EXESUF) $tools"
6338   fi
6339 fi
6340 if test "$softmmu" = yes ; then
6341   if test "$linux" = yes; then
6342     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6343       virtfs=yes
6344       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6345     else
6346       if test "$virtfs" = yes; then
6347         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6348       fi
6349       virtfs=no
6350     fi
6351     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6352       mpath=yes
6353     else
6354       if test "$mpath" = yes; then
6355         error_exit "Multipath requires libmpathpersist devel"
6356       fi
6357       mpath=no
6358     fi
6359     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6360   else
6361     if test "$virtfs" = yes; then
6362       error_exit "VirtFS is supported only on Linux"
6363     fi
6364     virtfs=no
6365     if test "$mpath" = yes; then
6366       error_exit "Multipath is supported only on Linux"
6367     fi
6368     mpath=no
6369   fi
6370   if test "$xkbcommon" = "yes"; then
6371     tools="qemu-keymap\$(EXESUF) $tools"
6372   fi
6373 fi
6374
6375 # Probe for guest agent support/options
6376
6377 if [ "$guest_agent" != "no" ]; then
6378   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6379       guest_agent=no
6380   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6381       tools="qemu-ga\$(EXESUF) $tools"
6382       guest_agent=yes
6383   elif [ "$guest_agent" != yes ]; then
6384       guest_agent=no
6385   else
6386       error_exit "Guest agent is not supported on this platform"
6387   fi
6388 fi
6389
6390 # Guest agent Window MSI  package
6391
6392 if test "$guest_agent" != yes; then
6393   if test "$guest_agent_msi" = yes; then
6394     error_exit "MSI guest agent package requires guest agent enabled"
6395   fi
6396   guest_agent_msi=no
6397 elif test "$mingw32" != "yes"; then
6398   if test "$guest_agent_msi" = "yes"; then
6399     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6400   fi
6401   guest_agent_msi=no
6402 elif ! has wixl; then
6403   if test "$guest_agent_msi" = "yes"; then
6404     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6405   fi
6406   guest_agent_msi=no
6407 else
6408   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6409   # disabled explicitly
6410   if test "$guest_agent_msi" != "no"; then
6411     guest_agent_msi=yes
6412   fi
6413 fi
6414
6415 if test "$guest_agent_msi" = "yes"; then
6416   if test "$guest_agent_with_vss" = "yes"; then
6417     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6418   fi
6419
6420   if test "$QEMU_GA_MANUFACTURER" = ""; then
6421     QEMU_GA_MANUFACTURER=QEMU
6422   fi
6423
6424   if test "$QEMU_GA_DISTRO" = ""; then
6425     QEMU_GA_DISTRO=Linux
6426   fi
6427
6428   if test "$QEMU_GA_VERSION" = ""; then
6429       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6430   fi
6431
6432   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6433
6434   case "$cpu" in
6435   x86_64)
6436     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6437     ;;
6438   i386)
6439     QEMU_GA_MSI_ARCH="-D Arch=32"
6440     ;;
6441   *)
6442     error_exit "CPU $cpu not supported for building installation package"
6443     ;;
6444   esac
6445 fi
6446
6447 # Mac OS X ships with a broken assembler
6448 roms=
6449 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6450         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6451         test "$softmmu" = yes ; then
6452     # Different host OS linkers have different ideas about the name of the ELF
6453     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6454     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6455     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6456         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6457             ld_i386_emulation="$emu"
6458             roms="optionrom"
6459             break
6460         fi
6461     done
6462 fi
6463
6464 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6465 if test "$cpu" = "s390x" ; then
6466   write_c_skeleton
6467   if compile_prog "-march=z900" ""; then
6468     roms="$roms s390-ccw"
6469   fi
6470 fi
6471
6472 # Probe for the need for relocating the user-only binary.
6473 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6474   textseg_addr=
6475   case "$cpu" in
6476     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6477       # ??? Rationale for choosing this address
6478       textseg_addr=0x60000000
6479       ;;
6480     mips)
6481       # A 256M aligned address, high in the address space, with enough
6482       # room for the code_gen_buffer above it before the stack.
6483       textseg_addr=0x60000000
6484       ;;
6485   esac
6486   if [ -n "$textseg_addr" ]; then
6487     cat > $TMPC <<EOF
6488     int main(void) { return 0; }
6489 EOF
6490     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6491     if ! compile_prog "" "$textseg_ldflags"; then
6492       # In case ld does not support -Ttext-segment, edit the default linker
6493       # script via sed to set the .text start addr.  This is needed on FreeBSD
6494       # at least.
6495       if ! $ld --verbose >/dev/null 2>&1; then
6496         error_exit \
6497             "We need to link the QEMU user mode binaries at a" \
6498             "specific text address. Unfortunately your linker" \
6499             "doesn't support either the -Ttext-segment option or" \
6500             "printing the default linker script with --verbose." \
6501             "If you don't want the user mode binaries, pass the" \
6502             "--disable-user option to configure."
6503       fi
6504
6505       $ld --verbose | sed \
6506         -e '1,/==================================================/d' \
6507         -e '/==================================================/,$d' \
6508         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6509         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6510       textseg_ldflags="-Wl,-T../config-host.ld"
6511     fi
6512   fi
6513 fi
6514
6515 # Check that the C++ compiler exists and works with the C compiler.
6516 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6517 if has $cxx; then
6518     cat > $TMPC <<EOF
6519 int c_function(void);
6520 int main(void) { return c_function(); }
6521 EOF
6522
6523     compile_object
6524
6525     cat > $TMPCXX <<EOF
6526 extern "C" {
6527    int c_function(void);
6528 }
6529 int c_function(void) { return 42; }
6530 EOF
6531
6532     update_cxxflags
6533
6534     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6535         # C++ compiler $cxx works ok with C compiler $cc
6536         :
6537     else
6538         echo "C++ compiler $cxx does not work with C compiler $cc"
6539         echo "Disabling C++ specific optional code"
6540         cxx=
6541     fi
6542 else
6543     echo "No C++ compiler available; disabling C++ specific optional code"
6544     cxx=
6545 fi
6546
6547 echo_version() {
6548     if test "$1" = "yes" ; then
6549         echo "($2)"
6550     fi
6551 }
6552
6553 # prepend pixman and ftd flags after all config tests are done
6554 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6555 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6556 libs_softmmu="$pixman_libs $libs_softmmu"
6557
6558 echo "Install prefix    $prefix"
6559 echo "BIOS directory    $(eval echo $qemu_datadir)"
6560 echo "firmware path     $(eval echo $firmwarepath)"
6561 echo "binary directory  $(eval echo $bindir)"
6562 echo "library directory $(eval echo $libdir)"
6563 echo "module directory  $(eval echo $qemu_moddir)"
6564 echo "libexec directory $(eval echo $libexecdir)"
6565 echo "include directory $(eval echo $includedir)"
6566 echo "config directory  $(eval echo $sysconfdir)"
6567 if test "$mingw32" = "no" ; then
6568 echo "local state directory   $(eval echo $local_statedir)"
6569 echo "Manual directory  $(eval echo $mandir)"
6570 echo "ELF interp prefix $interp_prefix"
6571 else
6572 echo "local state directory   queried at runtime"
6573 echo "Windows SDK       $win_sdk"
6574 fi
6575 echo "Build directory   $(pwd)"
6576 echo "Source path       $source_path"
6577 echo "GIT binary        $git"
6578 echo "GIT submodules    $git_submodules"
6579 echo "C compiler        $cc"
6580 echo "Host C compiler   $host_cc"
6581 echo "C++ compiler      $cxx"
6582 echo "Objective-C compiler $objcc"
6583 echo "ARFLAGS           $ARFLAGS"
6584 echo "CFLAGS            $CFLAGS"
6585 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6586 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6587 echo "make              $make"
6588 echo "install           $install"
6589 echo "python            $python ($python_version)"
6590 if test "$docs" != "no"; then
6591     echo "sphinx-build      $sphinx_build"
6592 fi
6593 echo "genisoimage       $genisoimage"
6594 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6595 if test "$slirp" != "no" ; then
6596     echo "smbd              $smbd"
6597 fi
6598 echo "module support    $modules"
6599 echo "host CPU          $cpu"
6600 echo "host big endian   $bigendian"
6601 echo "target list       $target_list"
6602 echo "gprof enabled     $gprof"
6603 echo "sparse enabled    $sparse"
6604 echo "strip binaries    $strip_opt"
6605 echo "profiler          $profiler"
6606 echo "static build      $static"
6607 if test "$darwin" = "yes" ; then
6608     echo "Cocoa support     $cocoa"
6609 fi
6610 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6611 echo "SDL image support $sdl_image"
6612 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6613 echo "GTK GL support    $gtk_gl"
6614 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6615 echo "TLS priority      $tls_priority"
6616 echo "GNUTLS support    $gnutls"
6617 echo "libgcrypt         $gcrypt"
6618 if test "$gcrypt" = "yes"
6619 then
6620    echo "  hmac            $gcrypt_hmac"
6621    echo "  XTS             $gcrypt_xts"
6622 fi
6623 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6624 if test "$nettle" = "yes"
6625 then
6626    echo "  XTS             $nettle_xts"
6627 fi
6628 echo "libtasn1          $tasn1"
6629 echo "PAM               $auth_pam"
6630 echo "iconv support     $iconv"
6631 echo "curses support    $curses"
6632 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6633 echo "curl support      $curl"
6634 echo "mingw32 support   $mingw32"
6635 echo "Audio drivers     $audio_drv_list"
6636 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6637 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6638 echo "VirtFS support    $virtfs"
6639 echo "Multipath support $mpath"
6640 echo "VNC support       $vnc"
6641 if test "$vnc" = "yes" ; then
6642     echo "VNC SASL support  $vnc_sasl"
6643     echo "VNC JPEG support  $vnc_jpeg"
6644     echo "VNC PNG support   $vnc_png"
6645 fi
6646 echo "xen support       $xen"
6647 if test "$xen" = "yes" ; then
6648   echo "xen ctrl version  $xen_ctrl_version"
6649 fi
6650 echo "brlapi support    $brlapi"
6651 echo "Documentation     $docs"
6652 echo "PIE               $pie"
6653 echo "vde support       $vde"
6654 echo "netmap support    $netmap"
6655 echo "Linux AIO support $linux_aio"
6656 echo "Linux io_uring support $linux_io_uring"
6657 echo "ATTR/XATTR support $attr"
6658 echo "Install blobs     $blobs"
6659 echo "KVM support       $kvm"
6660 echo "HAX support       $hax"
6661 echo "HVF support       $hvf"
6662 echo "WHPX support      $whpx"
6663 echo "TCG support       $tcg"
6664 if test "$tcg" = "yes" ; then
6665     echo "TCG debug enabled $debug_tcg"
6666     echo "TCG interpreter   $tcg_interpreter"
6667 fi
6668 echo "malloc trim support $malloc_trim"
6669 echo "RDMA support      $rdma"
6670 echo "PVRDMA support    $pvrdma"
6671 echo "fdt support       $fdt"
6672 echo "membarrier        $membarrier"
6673 echo "preadv support    $preadv"
6674 echo "fdatasync         $fdatasync"
6675 echo "madvise           $madvise"
6676 echo "posix_madvise     $posix_madvise"
6677 echo "posix_memalign    $posix_memalign"
6678 echo "libcap-ng support $cap_ng"
6679 echo "vhost-net support $vhost_net"
6680 echo "vhost-crypto support $vhost_crypto"
6681 echo "vhost-scsi support $vhost_scsi"
6682 echo "vhost-vsock support $vhost_vsock"
6683 echo "vhost-user support $vhost_user"
6684 echo "vhost-user-fs support $vhost_user_fs"
6685 echo "Trace backends    $trace_backends"
6686 if have_backend "simple"; then
6687 echo "Trace output file $trace_file-<pid>"
6688 fi
6689 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6690 echo "rbd support       $rbd"
6691 echo "xfsctl support    $xfs"
6692 echo "smartcard support $smartcard"
6693 echo "libusb            $libusb"
6694 echo "usb net redir     $usb_redir"
6695 echo "OpenGL support    $opengl"
6696 echo "OpenGL dmabufs    $opengl_dmabuf"
6697 echo "libiscsi support  $libiscsi"
6698 echo "libnfs support    $libnfs"
6699 echo "build guest agent $guest_agent"
6700 echo "QGA VSS support   $guest_agent_with_vss"
6701 echo "QGA w32 disk info $guest_agent_ntddscsi"
6702 echo "QGA MSI support   $guest_agent_msi"
6703 echo "seccomp support   $seccomp"
6704 echo "coroutine backend $coroutine"
6705 echo "coroutine pool    $coroutine_pool"
6706 echo "debug stack usage $debug_stack_usage"
6707 echo "mutex debugging   $debug_mutex"
6708 echo "crypto afalg      $crypto_afalg"
6709 echo "GlusterFS support $glusterfs"
6710 echo "gcov              $gcov_tool"
6711 echo "gcov enabled      $gcov"
6712 echo "TPM support       $tpm"
6713 echo "libssh support    $libssh"
6714 echo "QOM debugging     $qom_cast_debug"
6715 echo "Live block migration $live_block_migration"
6716 echo "lzo support       $lzo"
6717 echo "snappy support    $snappy"
6718 echo "bzip2 support     $bzip2"
6719 echo "lzfse support     $lzfse"
6720 echo "zstd support      $zstd"
6721 echo "NUMA host support $numa"
6722 echo "libxml2           $libxml2"
6723 echo "tcmalloc support  $tcmalloc"
6724 echo "jemalloc support  $jemalloc"
6725 echo "avx2 optimization $avx2_opt"
6726 echo "replication support $replication"
6727 echo "VxHS block device $vxhs"
6728 echo "bochs support     $bochs"
6729 echo "cloop support     $cloop"
6730 echo "dmg support       $dmg"
6731 echo "qcow v1 support   $qcow1"
6732 echo "vdi support       $vdi"
6733 echo "vvfat support     $vvfat"
6734 echo "qed support       $qed"
6735 echo "parallels support $parallels"
6736 echo "sheepdog support  $sheepdog"
6737 echo "capstone          $capstone"
6738 echo "libpmem support   $libpmem"
6739 echo "libudev           $libudev"
6740 echo "default devices   $default_devices"
6741 echo "plugin support    $plugins"
6742 echo "fuzzing support   $fuzzing"
6743
6744 if test "$supported_cpu" = "no"; then
6745     echo
6746     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6747     echo
6748     echo "CPU host architecture $cpu support is not currently maintained."
6749     echo "The QEMU project intends to remove support for this host CPU in"
6750     echo "a future release if nobody volunteers to maintain it and to"
6751     echo "provide a build host for our continuous integration setup."
6752     echo "configure has succeeded and you can continue to build, but"
6753     echo "if you care about QEMU on this platform you should contact"
6754     echo "us upstream at qemu-devel@nongnu.org."
6755 fi
6756
6757 if test "$supported_os" = "no"; then
6758     echo
6759     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6760     echo
6761     echo "Host OS $targetos support is not currently maintained."
6762     echo "The QEMU project intends to remove support for this host OS in"
6763     echo "a future release if nobody volunteers to maintain it and to"
6764     echo "provide a build host for our continuous integration setup."
6765     echo "configure has succeeded and you can continue to build, but"
6766     echo "if you care about QEMU on this platform you should contact"
6767     echo "us upstream at qemu-devel@nongnu.org."
6768 fi
6769
6770 config_host_mak="config-host.mak"
6771
6772 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6773
6774 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6775 echo >> $config_host_mak
6776
6777 echo all: >> $config_host_mak
6778 echo "prefix=$prefix" >> $config_host_mak
6779 echo "bindir=$bindir" >> $config_host_mak
6780 echo "libdir=$libdir" >> $config_host_mak
6781 echo "libexecdir=$libexecdir" >> $config_host_mak
6782 echo "includedir=$includedir" >> $config_host_mak
6783 echo "mandir=$mandir" >> $config_host_mak
6784 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6785 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6786 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6787 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6788 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6789 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6790 if test "$mingw32" = "no" ; then
6791   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6792 fi
6793 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6794 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6795 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6796 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6797 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6798 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6799 echo "GIT=$git" >> $config_host_mak
6800 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6801 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6802
6803 echo "ARCH=$ARCH" >> $config_host_mak
6804
6805 if test "$default_devices" = "yes" ; then
6806   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6807 else
6808   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6809 fi
6810 if test "$debug_tcg" = "yes" ; then
6811   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6812 fi
6813 if test "$strip_opt" = "yes" ; then
6814   echo "STRIP=${strip}" >> $config_host_mak
6815 fi
6816 if test "$bigendian" = "yes" ; then
6817   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6818 fi
6819 if test "$mingw32" = "yes" ; then
6820   echo "CONFIG_WIN32=y" >> $config_host_mak
6821   rc_version=$(cat $source_path/VERSION)
6822   version_major=${rc_version%%.*}
6823   rc_version=${rc_version#*.}
6824   version_minor=${rc_version%%.*}
6825   rc_version=${rc_version#*.}
6826   version_subminor=${rc_version%%.*}
6827   version_micro=0
6828   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6829   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6830   if test "$guest_agent_with_vss" = "yes" ; then
6831     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6832     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6833     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6834   fi
6835   if test "$guest_agent_ntddscsi" = "yes" ; then
6836     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6837   fi
6838   if test "$guest_agent_msi" = "yes"; then
6839     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6840     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6841     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6842     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6843     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6844     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6845     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6846   fi
6847 else
6848   echo "CONFIG_POSIX=y" >> $config_host_mak
6849 fi
6850
6851 if test "$linux" = "yes" ; then
6852   echo "CONFIG_LINUX=y" >> $config_host_mak
6853 fi
6854
6855 if test "$darwin" = "yes" ; then
6856   echo "CONFIG_DARWIN=y" >> $config_host_mak
6857 fi
6858
6859 if test "$solaris" = "yes" ; then
6860   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6861 fi
6862 if test "$haiku" = "yes" ; then
6863   echo "CONFIG_HAIKU=y" >> $config_host_mak
6864 fi
6865 if test "$static" = "yes" ; then
6866   echo "CONFIG_STATIC=y" >> $config_host_mak
6867 fi
6868 if test "$profiler" = "yes" ; then
6869   echo "CONFIG_PROFILER=y" >> $config_host_mak
6870 fi
6871 if test "$want_tools" = "yes" ; then
6872   echo "CONFIG_TOOLS=y" >> $config_host_mak
6873 fi
6874 if test "$slirp" != "no"; then
6875   echo "CONFIG_SLIRP=y" >> $config_host_mak
6876   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6877   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6878   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6879 fi
6880 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6881     echo "config-host.h: slirp/all" >> $config_host_mak
6882 fi
6883 if test "$vde" = "yes" ; then
6884   echo "CONFIG_VDE=y" >> $config_host_mak
6885   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6886 fi
6887 if test "$netmap" = "yes" ; then
6888   echo "CONFIG_NETMAP=y" >> $config_host_mak
6889 fi
6890 if test "$l2tpv3" = "yes" ; then
6891   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6892 fi
6893 if test "$gprof" = "yes" ; then
6894   echo "CONFIG_GPROF=y" >> $config_host_mak
6895 fi
6896 if test "$cap_ng" = "yes" ; then
6897   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6898 fi
6899 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6900 for drv in $audio_drv_list; do
6901     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6902     case "$drv" in
6903         alsa | oss | pa | sdl)
6904             echo "$def=m" >> $config_host_mak ;;
6905         *)
6906             echo "$def=y" >> $config_host_mak ;;
6907     esac
6908 done
6909 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6910 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6911 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6912 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6913 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6914 if test "$audio_win_int" = "yes" ; then
6915   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6916 fi
6917 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6918 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6919 if test "$vnc" = "yes" ; then
6920   echo "CONFIG_VNC=y" >> $config_host_mak
6921 fi
6922 if test "$vnc_sasl" = "yes" ; then
6923   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6924 fi
6925 if test "$vnc_jpeg" = "yes" ; then
6926   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6927 fi
6928 if test "$vnc_png" = "yes" ; then
6929   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6930 fi
6931 if test "$xkbcommon" = "yes" ; then
6932   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6933   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6934 fi
6935 if test "$xfs" = "yes" ; then
6936   echo "CONFIG_XFS=y" >> $config_host_mak
6937 fi
6938 qemu_version=$(head $source_path/VERSION)
6939 echo "VERSION=$qemu_version" >>$config_host_mak
6940 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6941 echo "SRC_PATH=$source_path" >> $config_host_mak
6942 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6943 if [ "$docs" = "yes" ] ; then
6944   echo "BUILD_DOCS=yes" >> $config_host_mak
6945 fi
6946 if test "$modules" = "yes"; then
6947   # $shacmd can generate a hash started with digit, which the compiler doesn't
6948   # like as an symbol. So prefix it with an underscore
6949   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6950   echo "CONFIG_MODULES=y" >> $config_host_mak
6951 fi
6952 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6953   echo "CONFIG_X11=y" >> $config_host_mak
6954   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6955   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6956 fi
6957 if test "$sdl" = "yes" ; then
6958   echo "CONFIG_SDL=m" >> $config_host_mak
6959   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6960   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6961   if test "$sdl_image" = "yes" ; then
6962       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6963   fi
6964 fi
6965 if test "$cocoa" = "yes" ; then
6966   echo "CONFIG_COCOA=y" >> $config_host_mak
6967 fi
6968 if test "$iconv" = "yes" ; then
6969   echo "CONFIG_ICONV=y" >> $config_host_mak
6970   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6971   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6972 fi
6973 if test "$curses" = "yes" ; then
6974   echo "CONFIG_CURSES=m" >> $config_host_mak
6975   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6976   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6977 fi
6978 if test "$pipe2" = "yes" ; then
6979   echo "CONFIG_PIPE2=y" >> $config_host_mak
6980 fi
6981 if test "$accept4" = "yes" ; then
6982   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6983 fi
6984 if test "$splice" = "yes" ; then
6985   echo "CONFIG_SPLICE=y" >> $config_host_mak
6986 fi
6987 if test "$eventfd" = "yes" ; then
6988   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6989 fi
6990 if test "$memfd" = "yes" ; then
6991   echo "CONFIG_MEMFD=y" >> $config_host_mak
6992 fi
6993 if test "$have_usbfs" = "yes" ; then
6994   echo "CONFIG_USBFS=y" >> $config_host_mak
6995 fi
6996 if test "$fallocate" = "yes" ; then
6997   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6998 fi
6999 if test "$fallocate_punch_hole" = "yes" ; then
7000   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
7001 fi
7002 if test "$fallocate_zero_range" = "yes" ; then
7003   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
7004 fi
7005 if test "$posix_fallocate" = "yes" ; then
7006   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
7007 fi
7008 if test "$sync_file_range" = "yes" ; then
7009   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
7010 fi
7011 if test "$fiemap" = "yes" ; then
7012   echo "CONFIG_FIEMAP=y" >> $config_host_mak
7013 fi
7014 if test "$dup3" = "yes" ; then
7015   echo "CONFIG_DUP3=y" >> $config_host_mak
7016 fi
7017 if test "$ppoll" = "yes" ; then
7018   echo "CONFIG_PPOLL=y" >> $config_host_mak
7019 fi
7020 if test "$prctl_pr_set_timerslack" = "yes" ; then
7021   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
7022 fi
7023 if test "$epoll" = "yes" ; then
7024   echo "CONFIG_EPOLL=y" >> $config_host_mak
7025 fi
7026 if test "$epoll_create1" = "yes" ; then
7027   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
7028 fi
7029 if test "$sendfile" = "yes" ; then
7030   echo "CONFIG_SENDFILE=y" >> $config_host_mak
7031 fi
7032 if test "$timerfd" = "yes" ; then
7033   echo "CONFIG_TIMERFD=y" >> $config_host_mak
7034 fi
7035 if test "$setns" = "yes" ; then
7036   echo "CONFIG_SETNS=y" >> $config_host_mak
7037 fi
7038 if test "$clock_adjtime" = "yes" ; then
7039   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
7040 fi
7041 if test "$syncfs" = "yes" ; then
7042   echo "CONFIG_SYNCFS=y" >> $config_host_mak
7043 fi
7044 if test "$kcov" = "yes" ; then
7045   echo "CONFIG_KCOV=y" >> $config_host_mak
7046 fi
7047 if test "$inotify" = "yes" ; then
7048   echo "CONFIG_INOTIFY=y" >> $config_host_mak
7049 fi
7050 if test "$inotify1" = "yes" ; then
7051   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
7052 fi
7053 if test "$sem_timedwait" = "yes" ; then
7054   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
7055 fi
7056 if test "$strchrnul" = "yes" ; then
7057   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
7058 fi
7059 if test "$st_atim" = "yes" ; then
7060   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
7061 fi
7062 if test "$byteswap_h" = "yes" ; then
7063   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
7064 fi
7065 if test "$bswap_h" = "yes" ; then
7066   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
7067 fi
7068 if test "$curl" = "yes" ; then
7069   echo "CONFIG_CURL=m" >> $config_host_mak
7070   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
7071   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
7072 fi
7073 if test "$brlapi" = "yes" ; then
7074   echo "CONFIG_BRLAPI=y" >> $config_host_mak
7075   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
7076 fi
7077 if test "$gtk" = "yes" ; then
7078   echo "CONFIG_GTK=m" >> $config_host_mak
7079   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
7080   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
7081   if test "$gtk_gl" = "yes" ; then
7082     echo "CONFIG_GTK_GL=y" >> $config_host_mak
7083   fi
7084 fi
7085 if test "$gio" = "yes" ; then
7086     echo "CONFIG_GIO=y" >> $config_host_mak
7087     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
7088     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
7089     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
7090 fi
7091 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
7092 if test "$gnutls" = "yes" ; then
7093   echo "CONFIG_GNUTLS=y" >> $config_host_mak
7094 fi
7095 if test "$gcrypt" = "yes" ; then
7096   echo "CONFIG_GCRYPT=y" >> $config_host_mak
7097   if test "$gcrypt_hmac" = "yes" ; then
7098     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
7099   fi
7100 fi
7101 if test "$nettle" = "yes" ; then
7102   echo "CONFIG_NETTLE=y" >> $config_host_mak
7103   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
7104 fi
7105 if test "$qemu_private_xts" = "yes" ; then
7106   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
7107 fi
7108 if test "$tasn1" = "yes" ; then
7109   echo "CONFIG_TASN1=y" >> $config_host_mak
7110 fi
7111 if test "$auth_pam" = "yes" ; then
7112     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7113 fi
7114 if test "$have_ifaddrs_h" = "yes" ; then
7115     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7116 fi
7117 if test "$have_broken_size_max" = "yes" ; then
7118     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7119 fi
7120
7121 # Work around a system header bug with some kernel/XFS header
7122 # versions where they both try to define 'struct fsxattr':
7123 # xfs headers will not try to redefine structs from linux headers
7124 # if this macro is set.
7125 if test "$have_fsxattr" = "yes" ; then
7126     echo "HAVE_FSXATTR=y" >> $config_host_mak
7127 fi
7128 if test "$have_copy_file_range" = "yes" ; then
7129     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7130 fi
7131 if test "$vte" = "yes" ; then
7132   echo "CONFIG_VTE=y" >> $config_host_mak
7133   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7134   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7135 fi
7136 if test "$virglrenderer" = "yes" ; then
7137   echo "CONFIG_VIRGL=y" >> $config_host_mak
7138   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7139   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7140 fi
7141 if test "$xen" = "yes" ; then
7142   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7143   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7144 fi
7145 if test "$linux_aio" = "yes" ; then
7146   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7147 fi
7148 if test "$linux_io_uring" = "yes" ; then
7149   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7150   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7151   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7152 fi
7153 if test "$attr" = "yes" ; then
7154   echo "CONFIG_ATTR=y" >> $config_host_mak
7155 fi
7156 if test "$libattr" = "yes" ; then
7157   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7158 fi
7159 if test "$virtfs" = "yes" ; then
7160   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7161 fi
7162 if test "$mpath" = "yes" ; then
7163   echo "CONFIG_MPATH=y" >> $config_host_mak
7164   if test "$mpathpersist_new_api" = "yes"; then
7165     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7166   fi
7167 fi
7168 if test "$vhost_scsi" = "yes" ; then
7169   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7170 fi
7171 if test "$vhost_net" = "yes" ; then
7172   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7173 fi
7174 if test "$vhost_net_user" = "yes" ; then
7175   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7176 fi
7177 if test "$vhost_crypto" = "yes" ; then
7178   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7179 fi
7180 if test "$vhost_vsock" = "yes" ; then
7181   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7182 fi
7183 if test "$vhost_kernel" = "yes" ; then
7184   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7185 fi
7186 if test "$vhost_user" = "yes" ; then
7187   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7188 fi
7189 if test "$vhost_user_fs" = "yes" ; then
7190   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7191 fi
7192 if test "$blobs" = "yes" ; then
7193   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7194 fi
7195 if test "$iovec" = "yes" ; then
7196   echo "CONFIG_IOVEC=y" >> $config_host_mak
7197 fi
7198 if test "$preadv" = "yes" ; then
7199   echo "CONFIG_PREADV=y" >> $config_host_mak
7200 fi
7201 if test "$fdt" != "no" ; then
7202   echo "CONFIG_FDT=y" >> $config_host_mak
7203 fi
7204 if test "$membarrier" = "yes" ; then
7205   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7206 fi
7207 if test "$signalfd" = "yes" ; then
7208   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7209 fi
7210 if test "$optreset" = "yes" ; then
7211   echo "HAVE_OPTRESET=y" >> $config_host_mak
7212 fi
7213 if test "$tcg" = "yes"; then
7214   echo "CONFIG_TCG=y" >> $config_host_mak
7215   if test "$tcg_interpreter" = "yes" ; then
7216     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7217   fi
7218 fi
7219 if test "$fdatasync" = "yes" ; then
7220   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7221 fi
7222 if test "$madvise" = "yes" ; then
7223   echo "CONFIG_MADVISE=y" >> $config_host_mak
7224 fi
7225 if test "$posix_madvise" = "yes" ; then
7226   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7227 fi
7228 if test "$posix_memalign" = "yes" ; then
7229   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7230 fi
7231
7232 if test "$spice" = "yes" ; then
7233   echo "CONFIG_SPICE=y" >> $config_host_mak
7234 fi
7235
7236 if test "$smartcard" = "yes" ; then
7237   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7238   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7239   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7240 fi
7241
7242 if test "$libusb" = "yes" ; then
7243   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7244   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7245   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7246 fi
7247
7248 if test "$usb_redir" = "yes" ; then
7249   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7250   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7251   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7252 fi
7253
7254 if test "$opengl" = "yes" ; then
7255   echo "CONFIG_OPENGL=y" >> $config_host_mak
7256   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7257   if test "$opengl_dmabuf" = "yes" ; then
7258     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7259   fi
7260 fi
7261
7262 if test "$gbm" = "yes" ; then
7263     echo "CONFIG_GBM=y" >> $config_host_mak
7264     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7265     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7266 fi
7267
7268
7269 if test "$malloc_trim" = "yes" ; then
7270   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7271 fi
7272
7273 if test "$avx2_opt" = "yes" ; then
7274   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7275 fi
7276
7277 if test "$lzo" = "yes" ; then
7278   echo "CONFIG_LZO=y" >> $config_host_mak
7279 fi
7280
7281 if test "$snappy" = "yes" ; then
7282   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7283 fi
7284
7285 if test "$bzip2" = "yes" ; then
7286   echo "CONFIG_BZIP2=y" >> $config_host_mak
7287   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7288 fi
7289
7290 if test "$lzfse" = "yes" ; then
7291   echo "CONFIG_LZFSE=y" >> $config_host_mak
7292   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7293 fi
7294
7295 if test "$zstd" = "yes" ; then
7296   echo "CONFIG_ZSTD=y" >> $config_host_mak
7297 fi
7298
7299 if test "$libiscsi" = "yes" ; then
7300   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7301   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7302   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7303 fi
7304
7305 if test "$libnfs" = "yes" ; then
7306   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7307   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7308 fi
7309
7310 if test "$seccomp" = "yes"; then
7311   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7312   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7313   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7314 fi
7315
7316 # XXX: suppress that
7317 if [ "$bsd" = "yes" ] ; then
7318   echo "CONFIG_BSD=y" >> $config_host_mak
7319 fi
7320
7321 if test "$localtime_r" = "yes" ; then
7322   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7323 fi
7324 if test "$qom_cast_debug" = "yes" ; then
7325   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7326 fi
7327 if test "$rbd" = "yes" ; then
7328   echo "CONFIG_RBD=m" >> $config_host_mak
7329   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7330   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7331 fi
7332
7333 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7334 if test "$coroutine_pool" = "yes" ; then
7335   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7336 else
7337   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7338 fi
7339
7340 if test "$debug_stack_usage" = "yes" ; then
7341   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7342 fi
7343
7344 if test "$crypto_afalg" = "yes" ; then
7345   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7346 fi
7347
7348 if test "$open_by_handle_at" = "yes" ; then
7349   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7350 fi
7351
7352 if test "$linux_magic_h" = "yes" ; then
7353   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7354 fi
7355
7356 if test "$pragma_diagnostic_available" = "yes" ; then
7357   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7358 fi
7359
7360 if test "$valgrind_h" = "yes" ; then
7361   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7362 fi
7363
7364 if test "$have_asan_iface_fiber" = "yes" ; then
7365     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7366 fi
7367
7368 if test "$has_environ" = "yes" ; then
7369   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7370 fi
7371
7372 if test "$cpuid_h" = "yes" ; then
7373   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7374 fi
7375
7376 if test "$int128" = "yes" ; then
7377   echo "CONFIG_INT128=y" >> $config_host_mak
7378 fi
7379
7380 if test "$atomic128" = "yes" ; then
7381   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7382 fi
7383
7384 if test "$cmpxchg128" = "yes" ; then
7385   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7386 fi
7387
7388 if test "$atomic64" = "yes" ; then
7389   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7390 fi
7391
7392 if test "$vector16" = "yes" ; then
7393   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7394 fi
7395
7396 if test "$attralias" = "yes" ; then
7397   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7398 fi
7399
7400 if test "$getauxval" = "yes" ; then
7401   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7402 fi
7403
7404 if test "$glusterfs" = "yes" ; then
7405   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7406   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7407   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7408 fi
7409
7410 if test "$glusterfs_xlator_opt" = "yes" ; then
7411   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7412 fi
7413
7414 if test "$glusterfs_discard" = "yes" ; then
7415   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7416 fi
7417
7418 if test "$glusterfs_fallocate" = "yes" ; then
7419   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7420 fi
7421
7422 if test "$glusterfs_zerofill" = "yes" ; then
7423   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7424 fi
7425
7426 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7427   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7428 fi
7429
7430 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7431   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7432 fi
7433
7434 if test "$libssh" = "yes" ; then
7435   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7436   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7437   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7438 fi
7439
7440 if test "$live_block_migration" = "yes" ; then
7441   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7442 fi
7443
7444 if test "$tpm" = "yes"; then
7445   echo 'CONFIG_TPM=y' >> $config_host_mak
7446 fi
7447
7448 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7449 if have_backend "nop"; then
7450   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7451 fi
7452 if have_backend "simple"; then
7453   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7454   # Set the appropriate trace file.
7455   trace_file="\"$trace_file-\" FMT_pid"
7456 fi
7457 if have_backend "log"; then
7458   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7459 fi
7460 if have_backend "ust"; then
7461   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7462 fi
7463 if have_backend "dtrace"; then
7464   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7465   if test "$trace_backend_stap" = "yes" ; then
7466     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7467   fi
7468 fi
7469 if have_backend "ftrace"; then
7470   if test "$linux" = "yes" ; then
7471     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7472   else
7473     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7474   fi
7475 fi
7476 if have_backend "syslog"; then
7477   if test "$posix_syslog" = "yes" ; then
7478     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7479   else
7480     feature_not_found "syslog(trace backend)" "syslog not available"
7481   fi
7482 fi
7483 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7484
7485 if test "$rdma" = "yes" ; then
7486   echo "CONFIG_RDMA=y" >> $config_host_mak
7487   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7488 fi
7489
7490 if test "$pvrdma" = "yes" ; then
7491   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7492 fi
7493
7494 if test "$have_rtnetlink" = "yes" ; then
7495   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7496 fi
7497
7498 if test "$libxml2" = "yes" ; then
7499   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7500   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7501   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7502 fi
7503
7504 if test "$replication" = "yes" ; then
7505   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7506 fi
7507
7508 if test "$have_af_vsock" = "yes" ; then
7509   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7510 fi
7511
7512 if test "$have_sysmacros" = "yes" ; then
7513   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7514 fi
7515
7516 if test "$have_static_assert" = "yes" ; then
7517   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7518 fi
7519
7520 if test "$have_utmpx" = "yes" ; then
7521   echo "HAVE_UTMPX=y" >> $config_host_mak
7522 fi
7523 if test "$have_getrandom" = "yes" ; then
7524   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7525 fi
7526 if test "$ivshmem" = "yes" ; then
7527   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7528 fi
7529 if test "$capstone" != "no" ; then
7530   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7531 fi
7532 if test "$debug_mutex" = "yes" ; then
7533   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7534 fi
7535
7536 # Hold two types of flag:
7537 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7538 #                                     a thread we have a handle to
7539 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7540 #                                     platform
7541 if test "$pthread_setname_np_w_tid" = "yes" ; then
7542   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7543   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7544 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7545   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7546   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7547 fi
7548
7549 if test "$vxhs" = "yes" ; then
7550   echo "CONFIG_VXHS=y" >> $config_host_mak
7551   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7552 fi
7553
7554 if test "$libpmem" = "yes" ; then
7555   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7556 fi
7557
7558 if test "$bochs" = "yes" ; then
7559   echo "CONFIG_BOCHS=y" >> $config_host_mak
7560 fi
7561 if test "$cloop" = "yes" ; then
7562   echo "CONFIG_CLOOP=y" >> $config_host_mak
7563 fi
7564 if test "$dmg" = "yes" ; then
7565   echo "CONFIG_DMG=y" >> $config_host_mak
7566 fi
7567 if test "$qcow1" = "yes" ; then
7568   echo "CONFIG_QCOW1=y" >> $config_host_mak
7569 fi
7570 if test "$vdi" = "yes" ; then
7571   echo "CONFIG_VDI=y" >> $config_host_mak
7572 fi
7573 if test "$vvfat" = "yes" ; then
7574   echo "CONFIG_VVFAT=y" >> $config_host_mak
7575 fi
7576 if test "$qed" = "yes" ; then
7577   echo "CONFIG_QED=y" >> $config_host_mak
7578 fi
7579 if test "$parallels" = "yes" ; then
7580   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7581 fi
7582 if test "$sheepdog" = "yes" ; then
7583   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7584 fi
7585 if test "$fuzzing" = "yes" ; then
7586   if test "$have_fuzzer" = "yes"; then
7587     FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
7588     FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
7589     CFLAGS=" -fsanitize=address,fuzzer-no-link"
7590   else
7591     error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
7592     exit 1
7593   fi
7594 fi
7595
7596 if test "$plugins" = "yes" ; then
7597     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7598     LIBS="-ldl $LIBS"
7599     # Copy the export object list to the build dir
7600     if test "$ld_dynamic_list" = "yes" ; then
7601         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7602         ld_symbols=qemu-plugins-ld.symbols
7603         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7604     elif test "$ld_exported_symbols_list" = "yes" ; then
7605         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7606         ld64_symbols=qemu-plugins-ld64.symbols
7607         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7608         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7609             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7610     else
7611         error_exit \
7612             "If \$plugins=yes, either \$ld_dynamic_list or " \
7613             "\$ld_exported_symbols_list should have been set to 'yes'."
7614     fi
7615 fi
7616
7617 if test "$tcg_interpreter" = "yes"; then
7618   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7619 elif test "$ARCH" = "sparc64" ; then
7620   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7621 elif test "$ARCH" = "s390x" ; then
7622   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7623 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7624   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7625 elif test "$ARCH" = "ppc64" ; then
7626   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7627 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7628   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7629 else
7630   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7631 fi
7632
7633 echo "TOOLS=$tools" >> $config_host_mak
7634 echo "ROMS=$roms" >> $config_host_mak
7635 echo "MAKE=$make" >> $config_host_mak
7636 echo "INSTALL=$install" >> $config_host_mak
7637 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7638 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7639 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7640 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7641 echo "PYTHON=$python" >> $config_host_mak
7642 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7643 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7644 echo "CC=$cc" >> $config_host_mak
7645 if $iasl -h > /dev/null 2>&1; then
7646   echo "IASL=$iasl" >> $config_host_mak
7647 fi
7648 echo "HOST_CC=$host_cc" >> $config_host_mak
7649 echo "CXX=$cxx" >> $config_host_mak
7650 echo "OBJCC=$objcc" >> $config_host_mak
7651 echo "AR=$ar" >> $config_host_mak
7652 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7653 echo "AS=$as" >> $config_host_mak
7654 echo "CCAS=$ccas" >> $config_host_mak
7655 echo "CPP=$cpp" >> $config_host_mak
7656 echo "OBJCOPY=$objcopy" >> $config_host_mak
7657 echo "LD=$ld" >> $config_host_mak
7658 echo "RANLIB=$ranlib" >> $config_host_mak
7659 echo "NM=$nm" >> $config_host_mak
7660 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7661 echo "WINDRES=$windres" >> $config_host_mak
7662 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7663 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7664 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7665 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7666 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7667 if test "$sparse" = "yes" ; then
7668   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7669   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7670   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7671   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7672   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7673 fi
7674 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7675 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7676 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7677 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7678 echo "LIBS+=$LIBS" >> $config_host_mak
7679 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7680 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7681 echo "EXESUF=$EXESUF" >> $config_host_mak
7682 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7683 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7684 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7685 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7686 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7687 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7688 if test "$gcov" = "yes" ; then
7689   echo "CONFIG_GCOV=y" >> $config_host_mak
7690   echo "GCOV=$gcov_tool" >> $config_host_mak
7691 fi
7692
7693 if test "$libudev" != "no"; then
7694     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7695     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7696 fi
7697 if test "$fuzzing" != "no"; then
7698     echo "CONFIG_FUZZ=y" >> $config_host_mak
7699     echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
7700     echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
7701 fi
7702
7703 if test "$edk2_blobs" = "yes" ; then
7704   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7705 fi
7706
7707 # use included Linux headers
7708 if test "$linux" = "yes" ; then
7709   mkdir -p linux-headers
7710   case "$cpu" in
7711   i386|x86_64|x32)
7712     linux_arch=x86
7713     ;;
7714   ppc|ppc64|ppc64le)
7715     linux_arch=powerpc
7716     ;;
7717   s390x)
7718     linux_arch=s390
7719     ;;
7720   aarch64)
7721     linux_arch=arm64
7722     ;;
7723   mips64)
7724     linux_arch=mips
7725     ;;
7726   *)
7727     # For most CPUs the kernel architecture name and QEMU CPU name match.
7728     linux_arch="$cpu"
7729     ;;
7730   esac
7731     # For non-KVM architectures we will not have asm headers
7732     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7733       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7734     fi
7735 fi
7736
7737 for target in $target_list; do
7738 target_dir="$target"
7739 config_target_mak=$target_dir/config-target.mak
7740 target_name=$(echo $target | cut -d '-' -f 1)
7741 target_aligned_only="no"
7742 case "$target_name" in
7743   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7744   target_aligned_only="yes"
7745   ;;
7746 esac
7747 target_bigendian="no"
7748 case "$target_name" in
7749   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7750   target_bigendian="yes"
7751   ;;
7752 esac
7753 target_softmmu="no"
7754 target_user_only="no"
7755 target_linux_user="no"
7756 target_bsd_user="no"
7757 case "$target" in
7758   ${target_name}-softmmu)
7759     target_softmmu="yes"
7760     ;;
7761   ${target_name}-linux-user)
7762     target_user_only="yes"
7763     target_linux_user="yes"
7764     ;;
7765   ${target_name}-bsd-user)
7766     target_user_only="yes"
7767     target_bsd_user="yes"
7768     ;;
7769   *)
7770     error_exit "Target '$target' not recognised"
7771     exit 1
7772     ;;
7773 esac
7774
7775 mkdir -p $target_dir
7776 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7777
7778 bflt="no"
7779 mttcg="no"
7780 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7781 gdb_xml_files=""
7782
7783 TARGET_ARCH="$target_name"
7784 TARGET_BASE_ARCH=""
7785 TARGET_ABI_DIR=""
7786
7787 case "$target_name" in
7788   i386)
7789     mttcg="yes"
7790         gdb_xml_files="i386-32bit.xml"
7791   ;;
7792   x86_64)
7793     TARGET_BASE_ARCH=i386
7794     mttcg="yes"
7795         gdb_xml_files="i386-64bit.xml"
7796   ;;
7797   alpha)
7798     mttcg="yes"
7799     TARGET_SYSTBL_ABI=common
7800   ;;
7801   arm|armeb)
7802     TARGET_ARCH=arm
7803     TARGET_SYSTBL_ABI=common,oabi
7804     bflt="yes"
7805     mttcg="yes"
7806     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7807   ;;
7808   aarch64|aarch64_be)
7809     TARGET_ARCH=aarch64
7810     TARGET_BASE_ARCH=arm
7811     bflt="yes"
7812     mttcg="yes"
7813     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7814   ;;
7815   cris)
7816   ;;
7817   hppa)
7818     mttcg="yes"
7819     TARGET_SYSTBL_ABI=common,32
7820   ;;
7821   lm32)
7822   ;;
7823   m68k)
7824     bflt="yes"
7825     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7826     TARGET_SYSTBL_ABI=common
7827   ;;
7828   microblaze|microblazeel)
7829     TARGET_ARCH=microblaze
7830     TARGET_SYSTBL_ABI=common
7831     bflt="yes"
7832     echo "TARGET_ABI32=y" >> $config_target_mak
7833   ;;
7834   mips|mipsel)
7835     mttcg="yes"
7836     TARGET_ARCH=mips
7837     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7838   ;;
7839   mipsn32|mipsn32el)
7840     mttcg="yes"
7841     TARGET_ARCH=mips64
7842     TARGET_BASE_ARCH=mips
7843     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7844     echo "TARGET_ABI32=y" >> $config_target_mak
7845   ;;
7846   mips64|mips64el)
7847     mttcg="yes"
7848     TARGET_ARCH=mips64
7849     TARGET_BASE_ARCH=mips
7850     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7851   ;;
7852   moxie)
7853   ;;
7854   nios2)
7855   ;;
7856   or1k)
7857     TARGET_ARCH=openrisc
7858     TARGET_BASE_ARCH=openrisc
7859   ;;
7860   ppc)
7861     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7862     TARGET_SYSTBL_ABI=common,nospu,32
7863   ;;
7864   ppc64)
7865     TARGET_BASE_ARCH=ppc
7866     TARGET_ABI_DIR=ppc
7867     TARGET_SYSTBL_ABI=common,nospu,64
7868     mttcg=yes
7869     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7870   ;;
7871   ppc64le)
7872     TARGET_ARCH=ppc64
7873     TARGET_BASE_ARCH=ppc
7874     TARGET_ABI_DIR=ppc
7875     TARGET_SYSTBL_ABI=common,nospu,64
7876     mttcg=yes
7877     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7878   ;;
7879   ppc64abi32)
7880     TARGET_ARCH=ppc64
7881     TARGET_BASE_ARCH=ppc
7882     TARGET_ABI_DIR=ppc
7883     TARGET_SYSTBL_ABI=common,nospu,32
7884     echo "TARGET_ABI32=y" >> $config_target_mak
7885     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7886   ;;
7887   riscv32)
7888     TARGET_BASE_ARCH=riscv
7889     TARGET_ABI_DIR=riscv
7890     mttcg=yes
7891     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7892   ;;
7893   riscv64)
7894     TARGET_BASE_ARCH=riscv
7895     TARGET_ABI_DIR=riscv
7896     mttcg=yes
7897     gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7898   ;;
7899   sh4|sh4eb)
7900     TARGET_ARCH=sh4
7901     TARGET_SYSTBL_ABI=common
7902     bflt="yes"
7903   ;;
7904   sparc)
7905     TARGET_SYSTBL_ABI=common,32
7906   ;;
7907   sparc64)
7908     TARGET_BASE_ARCH=sparc
7909     TARGET_SYSTBL_ABI=common,64
7910   ;;
7911   sparc32plus)
7912     TARGET_ARCH=sparc64
7913     TARGET_BASE_ARCH=sparc
7914     TARGET_ABI_DIR=sparc
7915     TARGET_SYSTBL_ABI=common,32
7916     echo "TARGET_ABI32=y" >> $config_target_mak
7917   ;;
7918   s390x)
7919     TARGET_SYSTBL_ABI=common,64
7920     mttcg=yes
7921     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7922   ;;
7923   tilegx)
7924   ;;
7925   tricore)
7926   ;;
7927   unicore32)
7928   ;;
7929   xtensa|xtensaeb)
7930     TARGET_ARCH=xtensa
7931     TARGET_SYSTBL_ABI=common
7932     bflt="yes"
7933     mttcg="yes"
7934   ;;
7935   *)
7936     error_exit "Unsupported target CPU"
7937   ;;
7938 esac
7939 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7940 if [ "$TARGET_BASE_ARCH" = "" ]; then
7941   TARGET_BASE_ARCH=$TARGET_ARCH
7942 fi
7943
7944 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7945
7946 upper() {
7947     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7948 }
7949
7950 target_arch_name="$(upper $TARGET_ARCH)"
7951 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7952 echo "TARGET_NAME=$target_name" >> $config_target_mak
7953 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7954 if [ "$TARGET_ABI_DIR" = "" ]; then
7955   TARGET_ABI_DIR=$TARGET_ARCH
7956 fi
7957 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7958 if [ "$HOST_VARIANT_DIR" != "" ]; then
7959     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7960 fi
7961 if [ "$TARGET_SYSTBL_ABI" != "" ]; then
7962     echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
7963 fi
7964
7965 if supported_xen_target $target; then
7966     echo "CONFIG_XEN=y" >> $config_target_mak
7967     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7968     if test "$xen_pci_passthrough" = yes; then
7969         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7970     fi
7971 else
7972     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7973 fi
7974 if supported_kvm_target $target; then
7975     echo "CONFIG_KVM=y" >> $config_target_mak
7976     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7977 else
7978     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7979 fi
7980 if supported_hax_target $target; then
7981     echo "CONFIG_HAX=y" >> $config_target_mak
7982 fi
7983 if supported_hvf_target $target; then
7984     echo "CONFIG_HVF=y" >> $config_target_mak
7985 fi
7986 if supported_whpx_target $target; then
7987     echo "CONFIG_WHPX=y" >> $config_target_mak
7988 fi
7989 if test "$target_aligned_only" = "yes" ; then
7990   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7991 fi
7992 if test "$target_bigendian" = "yes" ; then
7993   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7994 fi
7995 if test "$target_softmmu" = "yes" ; then
7996   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7997   if test "$mttcg" = "yes" ; then
7998     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7999   fi
8000 fi
8001 if test "$target_user_only" = "yes" ; then
8002   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
8003   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
8004 fi
8005 if test "$target_linux_user" = "yes" ; then
8006   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
8007 fi
8008 list=""
8009 if test ! -z "$gdb_xml_files" ; then
8010   for x in $gdb_xml_files; do
8011     list="$list $source_path/gdb-xml/$x"
8012   done
8013   echo "TARGET_XML_FILES=$list" >> $config_target_mak
8014 fi
8015
8016 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
8017   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
8018 fi
8019 if test "$target_bsd_user" = "yes" ; then
8020   echo "CONFIG_BSD_USER=y" >> $config_target_mak
8021 fi
8022
8023
8024 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
8025
8026 cflags=""
8027 ldflags=""
8028
8029 disas_config() {
8030   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
8031   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
8032 }
8033
8034 for i in $ARCH $TARGET_BASE_ARCH ; do
8035   case "$i" in
8036   alpha)
8037     disas_config "ALPHA"
8038   ;;
8039   aarch64)
8040     if test -n "${cxx}"; then
8041       disas_config "ARM_A64"
8042     fi
8043   ;;
8044   arm)
8045     disas_config "ARM"
8046     if test -n "${cxx}"; then
8047       disas_config "ARM_A64"
8048     fi
8049   ;;
8050   cris)
8051     disas_config "CRIS"
8052   ;;
8053   hppa)
8054     disas_config "HPPA"
8055   ;;
8056   i386|x86_64|x32)
8057     disas_config "I386"
8058   ;;
8059   lm32)
8060     disas_config "LM32"
8061   ;;
8062   m68k)
8063     disas_config "M68K"
8064   ;;
8065   microblaze*)
8066     disas_config "MICROBLAZE"
8067   ;;
8068   mips*)
8069     disas_config "MIPS"
8070     if test -n "${cxx}"; then
8071       disas_config "NANOMIPS"
8072     fi
8073   ;;
8074   moxie*)
8075     disas_config "MOXIE"
8076   ;;
8077   nios2)
8078     disas_config "NIOS2"
8079   ;;
8080   or1k)
8081     disas_config "OPENRISC"
8082   ;;
8083   ppc*)
8084     disas_config "PPC"
8085   ;;
8086   riscv*)
8087     disas_config "RISCV"
8088   ;;
8089   s390*)
8090     disas_config "S390"
8091   ;;
8092   sh4)
8093     disas_config "SH4"
8094   ;;
8095   sparc*)
8096     disas_config "SPARC"
8097   ;;
8098   xtensa*)
8099     disas_config "XTENSA"
8100   ;;
8101   esac
8102 done
8103 if test "$tcg_interpreter" = "yes" ; then
8104   disas_config "TCI"
8105 fi
8106
8107 case "$ARCH" in
8108 alpha)
8109   # Ensure there's only a single GP
8110   cflags="-msmall-data $cflags"
8111 ;;
8112 esac
8113
8114 if test "$gprof" = "yes" ; then
8115   if test "$target_linux_user" = "yes" ; then
8116     cflags="-p $cflags"
8117     ldflags="-p $ldflags"
8118   fi
8119   if test "$target_softmmu" = "yes" ; then
8120     ldflags="-p $ldflags"
8121     echo "GPROF_CFLAGS=-p" >> $config_target_mak
8122   fi
8123 fi
8124
8125 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
8126   ldflags="$ldflags $textseg_ldflags"
8127 fi
8128
8129 # Newer kernels on s390 check for an S390_PGSTE program header and
8130 # enable the pgste page table extensions in that case. This makes
8131 # the vm.allocate_pgste sysctl unnecessary. We enable this program
8132 # header if
8133 #  - we build on s390x
8134 #  - we build the system emulation for s390x (qemu-system-s390x)
8135 #  - KVM is enabled
8136 #  - the linker supports --s390-pgste
8137 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
8138         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
8139     if ld_has --s390-pgste ; then
8140         ldflags="-Wl,--s390-pgste $ldflags"
8141     fi
8142 fi
8143
8144 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
8145 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
8146
8147 done # for target in $targets
8148
8149 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8150 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8151
8152 if [ "$fdt" = "git" ]; then
8153   echo "config-host.h: dtc/all" >> $config_host_mak
8154 fi
8155 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8156   echo "config-host.h: capstone/all" >> $config_host_mak
8157 fi
8158 if test -n "$LIBCAPSTONE"; then
8159   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8160 fi
8161
8162 if test "$numa" = "yes"; then
8163   echo "CONFIG_NUMA=y" >> $config_host_mak
8164 fi
8165
8166 if test "$ccache_cpp2" = "yes"; then
8167   echo "export CCACHE_CPP2=y" >> $config_host_mak
8168 fi
8169
8170 # If we're using a separate build tree, set it up now.
8171 # DIRS are directories which we simply mkdir in the build tree;
8172 # LINKS are things to symlink back into the source tree
8173 # (these can be both files and directories).
8174 # Caution: do not add files or directories here using wildcards. This
8175 # will result in problems later if a new file matching the wildcard is
8176 # added to the source tree -- nothing will cause configure to be rerun
8177 # so the build tree will be missing the link back to the new file, and
8178 # tests might fail. Prefer to keep the relevant files in their own
8179 # directory and symlink the directory instead.
8180 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8181 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8182 DIRS="$DIRS docs docs/interop fsdev scsi"
8183 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8184 DIRS="$DIRS roms/seabios roms/vgabios"
8185 LINKS="Makefile"
8186 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8187 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8188 LINKS="$LINKS tests/plugin/Makefile"
8189 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8190 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8191 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8192 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8193 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8194 LINKS="$LINKS tests/acceptance tests/data"
8195 LINKS="$LINKS tests/qemu-iotests/check"
8196 LINKS="$LINKS python"
8197 for bios_file in \
8198     $source_path/pc-bios/*.bin \
8199     $source_path/pc-bios/*.lid \
8200     $source_path/pc-bios/*.rom \
8201     $source_path/pc-bios/*.dtb \
8202     $source_path/pc-bios/*.img \
8203     $source_path/pc-bios/openbios-* \
8204     $source_path/pc-bios/u-boot.* \
8205     $source_path/pc-bios/edk2-*.fd.bz2 \
8206     $source_path/pc-bios/palcode-*
8207 do
8208     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8209 done
8210 mkdir -p $DIRS
8211 for f in $LINKS ; do
8212     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8213         symlink "$source_path/$f" "$f"
8214     fi
8215 done
8216
8217 (for i in $cross_cc_vars; do
8218   export $i
8219 done
8220 export target_list source_path use_containers
8221 $source_path/tests/tcg/configure.sh)
8222
8223 # temporary config to build submodules
8224 for rom in seabios vgabios ; do
8225     config_mak=roms/$rom/config.mak
8226     echo "# Automatically generated by configure - do not modify" > $config_mak
8227     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8228     echo "AS=$as" >> $config_mak
8229     echo "CCAS=$ccas" >> $config_mak
8230     echo "CC=$cc" >> $config_mak
8231     echo "BCC=bcc" >> $config_mak
8232     echo "CPP=$cpp" >> $config_mak
8233     echo "OBJCOPY=objcopy" >> $config_mak
8234     echo "IASL=$iasl" >> $config_mak
8235     echo "LD=$ld" >> $config_mak
8236     echo "RANLIB=$ranlib" >> $config_mak
8237 done
8238
8239 # set up qemu-iotests in this build directory
8240 iotests_common_env="tests/qemu-iotests/common.env"
8241
8242 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8243 echo >> "$iotests_common_env"
8244 echo "export PYTHON='$python'" >> "$iotests_common_env"
8245
8246 # Save the configure command line for later reuse.
8247 cat <<EOD >config.status
8248 #!/bin/sh
8249 # Generated by configure.
8250 # Run this file to recreate the current configuration.
8251 # Compiler output produced by configure, useful for debugging
8252 # configure, is in config.log if it exists.
8253 EOD
8254
8255 preserve_env() {
8256     envname=$1
8257
8258     eval envval=\$$envname
8259
8260     if test -n "$envval"
8261     then
8262         echo "$envname='$envval'" >> config.status
8263         echo "export $envname" >> config.status
8264     else
8265         echo "unset $envname" >> config.status
8266     fi
8267 }
8268
8269 # Preserve various env variables that influence what
8270 # features/build target configure will detect
8271 preserve_env AR
8272 preserve_env AS
8273 preserve_env CC
8274 preserve_env CPP
8275 preserve_env CXX
8276 preserve_env INSTALL
8277 preserve_env LD
8278 preserve_env LD_LIBRARY_PATH
8279 preserve_env LIBTOOL
8280 preserve_env MAKE
8281 preserve_env NM
8282 preserve_env OBJCOPY
8283 preserve_env PATH
8284 preserve_env PKG_CONFIG
8285 preserve_env PKG_CONFIG_LIBDIR
8286 preserve_env PKG_CONFIG_PATH
8287 preserve_env PYTHON
8288 preserve_env SDL2_CONFIG
8289 preserve_env SMBD
8290 preserve_env STRIP
8291 preserve_env WINDRES
8292
8293 printf "exec" >>config.status
8294 printf " '%s'" "$0" "$@" >>config.status
8295 echo ' "$@"' >>config.status
8296 chmod +x config.status
8297
8298 rm -r "$TMPDIR1"