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 guest_agent=""
 453 guest_agent_with_vss="no"
 454 guest_agent_ntddscsi="no"
 455 guest_agent_msi=""
 456 vss_win32_sdk=""
 457 win_sdk="no"
 458 want_tools="yes"
 459 libiscsi=""
 460 libnfs=""
 461 coroutine=""
 462 coroutine_pool=""
 463 debug_stack_usage="no"
 464 crypto_afalg="no"
 465 seccomp=""
 466 glusterfs=""
 467 glusterfs_xlator_opt="no"
 468 glusterfs_discard="no"
 469 glusterfs_fallocate="no"
 470 glusterfs_zerofill="no"
 471 glusterfs_ftruncate_has_stat="no"
 472 glusterfs_iocb_has_stat="no"
 473 gtk=""
 474 gtk_gl="no"
 475 tls_priority="NORMAL"
 476 gnutls=""
 477 nettle=""
 478 nettle_xts="no"
 479 gcrypt=""
 480 gcrypt_hmac="no"
 481 gcrypt_xts="no"
 482 qemu_private_xts="yes"
 483 auth_pam=""
 484 vte=""
 485 virglrenderer=""
 486 tpm=""
 487 libssh=""
 488 live_block_migration="yes"
 489 numa=""
 490 tcmalloc="no"
 491 jemalloc="no"
 492 replication="yes"
 493 vxhs=""
 494 bochs="yes"
 495 cloop="yes"
 496 dmg="yes"
 497 qcow1="yes"
 498 vdi="yes"
 499 vvfat="yes"
 500 qed="yes"
 501 parallels="yes"
 502 sheepdog="yes"
 503 libxml2=""
 504 debug_mutex="no"
 505 libpmem=""
 506 default_devices="yes"
 507 plugins="no"
 508
 509 supported_cpu="no"
 510 supported_os="no"
 511 bogus_os="no"
 512 malloc_trim=""
 513
 514 # parse CC options first
 515 for opt do
 516   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 517   case "$opt" in
 518   --cross-prefix=*) cross_prefix="$optarg"
 519   ;;
 520   --cc=*) CC="$optarg"
 521   ;;
 522   --cxx=*) CXX="$optarg"
 523   ;;
 524   --cpu=*) cpu="$optarg"
 525   ;;
 526   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 527                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 528   ;;
 529   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 530   ;;
 531   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 532                      EXTRA_LDFLAGS="$optarg"
 533   ;;
 534   --enable-debug-info) debug_info="yes"
 535   ;;
 536   --disable-debug-info) debug_info="no"
 537   ;;
 538   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 539   ;;
 540   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 541                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 542                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 543   ;;
 544   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 545                 cc_archs="$cc_archs $cc_arch"
 546                 eval "cross_cc_${cc_arch}=\$optarg"
 547                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 548   ;;
 549   esac
 550 done
 551 # OS specific
 552 # Using uname is really, really broken.  Once we have the right set of checks
 553 # we can eliminate its usage altogether.
 554
 555 # Preferred compiler:
 556 #  ${CC} (if set)
 557 #  ${cross_prefix}gcc (if cross-prefix specified)
 558 #  system compiler
 559 if test -z "${CC}${cross_prefix}"; then
 560   cc="$host_cc"
 561 else
 562   cc="${CC-${cross_prefix}gcc}"
 563 fi
 564
 565 if test -z "${CXX}${cross_prefix}"; then
 566   cxx="c++"
 567 else
 568   cxx="${CXX-${cross_prefix}g++}"
 569 fi
 570
 571 ar="${AR-${cross_prefix}ar}"
 572 as="${AS-${cross_prefix}as}"
 573 ccas="${CCAS-$cc}"
 574 cpp="${CPP-$cc -E}"
 575 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 576 ld="${LD-${cross_prefix}ld}"
 577 ranlib="${RANLIB-${cross_prefix}ranlib}"
 578 nm="${NM-${cross_prefix}nm}"
 579 strip="${STRIP-${cross_prefix}strip}"
 580 windres="${WINDRES-${cross_prefix}windres}"
 581 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 582 query_pkg_config() {
 583     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 584 }
 585 pkg_config=query_pkg_config
 586 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 587 sphinx_build=sphinx-build
 588
 589 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 590 ARFLAGS="${ARFLAGS-rv}"
 591
 592 # default flags for all hosts
 593 # We use -fwrapv to tell the compiler that we require a C dialect where
 594 # left shift of signed integers is well defined and has the expected
 595 # 2s-complement style results. (Both clang and gcc agree that it
 596 # provides these semantics.)
 597 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 598 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 599 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 600 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 601 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 602 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 603 if test "$debug_info" = "yes"; then
 604     CFLAGS="-g $CFLAGS"
 605 fi
 606
 607 # running configure in the source tree?
 608 # we know that's the case if configure is there.
 609 if test -f "./configure"; then
 610     pwd_is_source_path="y"
 611 else
 612     pwd_is_source_path="n"
 613 fi
 614
 615 check_define() {
 616 cat > $TMPC <<EOF
 617 #if !defined($1)
 618 #error $1 not defined
 619 #endif
 620 int main(void) { return 0; }
 621 EOF
 622   compile_object
 623 }
 624
 625 check_include() {
 626 cat > $TMPC <<EOF
 627 #include <$1>
 628 int main(void) { return 0; }
 629 EOF
 630   compile_object
 631 }
 632
 633 write_c_skeleton() {
 634     cat > $TMPC <<EOF
 635 int main(void) { return 0; }
 636 EOF
 637 }
 638
 639 if check_define __linux__ ; then
 640   targetos="Linux"
 641 elif check_define _WIN32 ; then
 642   targetos='MINGW32'
 643 elif check_define __OpenBSD__ ; then
 644   targetos='OpenBSD'
 645 elif check_define __sun__ ; then
 646   targetos='SunOS'
 647 elif check_define __HAIKU__ ; then
 648   targetos='Haiku'
 649 elif check_define __FreeBSD__ ; then
 650   targetos='FreeBSD'
 651 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 652   targetos='GNU/kFreeBSD'
 653 elif check_define __DragonFly__ ; then
 654   targetos='DragonFly'
 655 elif check_define __NetBSD__; then
 656   targetos='NetBSD'
 657 elif check_define __APPLE__; then
 658   targetos='Darwin'
 659 else
 660   # This is a fatal error, but don't report it yet, because we
 661   # might be going to just print the --help text, or it might
 662   # be the result of a missing compiler.
 663   targetos='bogus'
 664   bogus_os='yes'
 665 fi
 666
 667 # Some host OSes need non-standard checks for which CPU to use.
 668 # Note that these checks are broken for cross-compilation: if you're
 669 # cross-compiling to one of these OSes then you'll need to specify
 670 # the correct CPU with the --cpu option.
 671 case $targetos in
 672 Darwin)
 673   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 674   # run 64-bit userspace code.
 675   # If the user didn't specify a CPU explicitly and the kernel says this is
 676   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 677   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 678     cpu="x86_64"
 679   fi
 680   ;;
 681 SunOS)
 682   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 683   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 684     cpu="x86_64"
 685   fi
 686 esac
 687
 688 if test ! -z "$cpu" ; then
 689   # command line argument
 690   :
 691 elif check_define __i386__ ; then
 692   cpu="i386"
 693 elif check_define __x86_64__ ; then
 694   if check_define __ILP32__ ; then
 695     cpu="x32"
 696   else
 697     cpu="x86_64"
 698   fi
 699 elif check_define __sparc__ ; then
 700   if check_define __arch64__ ; then
 701     cpu="sparc64"
 702   else
 703     cpu="sparc"
 704   fi
 705 elif check_define _ARCH_PPC ; then
 706   if check_define _ARCH_PPC64 ; then
 707     if check_define _LITTLE_ENDIAN ; then
 708       cpu="ppc64le"
 709     else
 710       cpu="ppc64"
 711     fi
 712   else
 713     cpu="ppc"
 714   fi
 715 elif check_define __mips__ ; then
 716   cpu="mips"
 717 elif check_define __s390__ ; then
 718   if check_define __s390x__ ; then
 719     cpu="s390x"
 720   else
 721     cpu="s390"
 722   fi
 723 elif check_define __riscv ; then
 724   if check_define _LP64 ; then
 725     cpu="riscv64"
 726   else
 727     cpu="riscv32"
 728   fi
 729 elif check_define __arm__ ; then
 730   cpu="arm"
 731 elif check_define __aarch64__ ; then
 732   cpu="aarch64"
 733 else
 734   cpu=$(uname -m)
 735 fi
 736
 737 ARCH=
 738 # Normalise host CPU name and set ARCH.
 739 # Note that this case should only have supported host CPUs, not guests.
 740 case "$cpu" in
 741   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 742     supported_cpu="yes"
 743   ;;
 744   ppc64le)
 745     ARCH="ppc64"
 746     supported_cpu="yes"
 747   ;;
 748   i386|i486|i586|i686|i86pc|BePC)
 749     cpu="i386"
 750     supported_cpu="yes"
 751   ;;
 752   x86_64|amd64)
 753     cpu="x86_64"
 754     supported_cpu="yes"
 755   ;;
 756   armv*b|armv*l|arm)
 757     cpu="arm"
 758     supported_cpu="yes"
 759   ;;
 760   aarch64)
 761     cpu="aarch64"
 762     supported_cpu="yes"
 763   ;;
 764   mips*)
 765     cpu="mips"
 766     supported_cpu="yes"
 767   ;;
 768   sparc|sun4[cdmuv])
 769     cpu="sparc"
 770     supported_cpu="yes"
 771   ;;
 772   *)
 773     # This will result in either an error or falling back to TCI later
 774     ARCH=unknown
 775   ;;
 776 esac
 777 if test -z "$ARCH"; then
 778   ARCH="$cpu"
 779 fi
 780
 781 # OS specific
 782
 783 # host *BSD for user mode
 784 HOST_VARIANT_DIR=""
 785
 786 case $targetos in
 787 MINGW32*)
 788   mingw32="yes"
 789   hax="yes"
 790   vhost_user="no"
 791   audio_possible_drivers="dsound sdl"
 792   if check_include dsound.h; then
 793     audio_drv_list="dsound"
 794   else
 795     audio_drv_list=""
 796   fi
 797   supported_os="yes"
 798 ;;
 799 GNU/kFreeBSD)
 800   bsd="yes"
 801   audio_drv_list="oss try-sdl"
 802   audio_possible_drivers="oss sdl pa"
 803 ;;
 804 FreeBSD)
 805   bsd="yes"
 806   make="${MAKE-gmake}"
 807   audio_drv_list="oss try-sdl"
 808   audio_possible_drivers="oss sdl pa"
 809   # needed for kinfo_getvmmap(3) in libutil.h
 810   LIBS="-lutil $LIBS"
 811   # needed for kinfo_getproc
 812   libs_qga="-lutil $libs_qga"
 813   netmap=""  # enable netmap autodetect
 814   HOST_VARIANT_DIR="freebsd"
 815   supported_os="yes"
 816 ;;
 817 DragonFly)
 818   bsd="yes"
 819   make="${MAKE-gmake}"
 820   audio_drv_list="oss try-sdl"
 821   audio_possible_drivers="oss sdl pa"
 822   HOST_VARIANT_DIR="dragonfly"
 823 ;;
 824 NetBSD)
 825   bsd="yes"
 826   hax="yes"
 827   make="${MAKE-gmake}"
 828   audio_drv_list="oss try-sdl"
 829   audio_possible_drivers="oss sdl"
 830   oss_lib="-lossaudio"
 831   HOST_VARIANT_DIR="netbsd"
 832   supported_os="yes"
 833 ;;
 834 OpenBSD)
 835   bsd="yes"
 836   make="${MAKE-gmake}"
 837   audio_drv_list="try-sdl"
 838   audio_possible_drivers="sdl"
 839   HOST_VARIANT_DIR="openbsd"
 840   supported_os="yes"
 841 ;;
 842 Darwin)
 843   bsd="yes"
 844   darwin="yes"
 845   hax="yes"
 846   hvf="yes"
 847   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 848   if [ "$cpu" = "x86_64" ] ; then
 849     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 850     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 851   fi
 852   cocoa="yes"
 853   audio_drv_list="coreaudio try-sdl"
 854   audio_possible_drivers="coreaudio sdl"
 855   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 856   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 857   # Disable attempts to use ObjectiveC features in os/object.h since they
 858   # won't work when we're compiling with gcc as a C compiler.
 859   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 860   HOST_VARIANT_DIR="darwin"
 861   supported_os="yes"
 862 ;;
 863 SunOS)
 864   solaris="yes"
 865   make="${MAKE-gmake}"
 866   install="${INSTALL-ginstall}"
 867   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 868   if test -f /usr/include/sys/soundcard.h ; then
 869     audio_drv_list="oss try-sdl"
 870   fi
 871   audio_possible_drivers="oss sdl"
 872 # needed for CMSG_ macros in sys/socket.h
 873   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 874 # needed for TIOCWIN* defines in termios.h
 875   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 876   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 877   solarisnetlibs="-lsocket -lnsl -lresolv"
 878   LIBS="$solarisnetlibs $LIBS"
 879   libs_qga="$solarisnetlibs $libs_qga"
 880 ;;
 881 Haiku)
 882   haiku="yes"
 883   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 884   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 885 ;;
 886 Linux)
 887   audio_drv_list="try-pa oss"
 888   audio_possible_drivers="oss alsa sdl pa"
 889   linux="yes"
 890   linux_user="yes"
 891   kvm="yes"
 892   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 893   supported_os="yes"
 894   libudev="yes"
 895 ;;
 896 esac
 897
 898 if [ "$bsd" = "yes" ] ; then
 899   if [ "$darwin" != "yes" ] ; then
 900     bsd_user="yes"
 901   fi
 902 fi
 903
 904 : ${make=${MAKE-make}}
 905 : ${install=${INSTALL-install}}
 906 # We prefer python 3.x. A bare 'python' is traditionally
 907 # python 2.x, but some distros have it as python 3.x, so
 908 # we check that too
 909 python=
 910 for binary in "${PYTHON-python3}" python
 911 do
 912     if has "$binary"
 913     then
 914         python=$(command -v "$binary")
 915         break
 916     fi
 917 done
 918 : ${smbd=${SMBD-/usr/sbin/smbd}}
 919
 920 # Default objcc to clang if available, otherwise use CC
 921 if has clang; then
 922   objcc=clang
 923 else
 924   objcc="$cc"
 925 fi
 926
 927 if test "$mingw32" = "yes" ; then
 928   EXESUF=".exe"
 929   DSOSUF=".dll"
 930   # MinGW needs -mthreads for TLS and macro _MT.
 931   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 932   LIBS="-lwinmm -lws2_32 $LIBS"
 933   write_c_skeleton;
 934   if compile_prog "" "-liberty" ; then
 935     LIBS="-liberty $LIBS"
 936   fi
 937   prefix="c:/Program Files/QEMU"
 938   mandir="\${prefix}"
 939   datadir="\${prefix}"
 940   qemu_docdir="\${prefix}"
 941   bindir="\${prefix}"
 942   sysconfdir="\${prefix}"
 943   local_statedir=
 944   confsuffix=""
 945   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 946 fi
 947
 948 werror=""
 949
 950 for opt do
 951   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 952   case "$opt" in
 953   --help|-h) show_help=yes
 954   ;;
 955   --version|-V) exec cat $source_path/VERSION
 956   ;;
 957   --prefix=*) prefix="$optarg"
 958   ;;
 959   --interp-prefix=*) interp_prefix="$optarg"
 960   ;;
 961   --cross-prefix=*)
 962   ;;
 963   --cc=*)
 964   ;;
 965   --host-cc=*) host_cc="$optarg"
 966   ;;
 967   --cxx=*)
 968   ;;
 969   --iasl=*) iasl="$optarg"
 970   ;;
 971   --objcc=*) objcc="$optarg"
 972   ;;
 973   --make=*) make="$optarg"
 974   ;;
 975   --install=*) install="$optarg"
 976   ;;
 977   --python=*) python="$optarg"
 978   ;;
 979   --sphinx-build=*) sphinx_build="$optarg"
 980   ;;
 981   --gcov=*) gcov_tool="$optarg"
 982   ;;
 983   --smbd=*) smbd="$optarg"
 984   ;;
 985   --extra-cflags=*)
 986   ;;
 987   --extra-cxxflags=*)
 988   ;;
 989   --extra-ldflags=*)
 990   ;;
 991   --enable-debug-info)
 992   ;;
 993   --disable-debug-info)
 994   ;;
 995   --cross-cc-*)
 996   ;;
 997   --enable-modules)
 998       modules="yes"
 999   ;;
1000   --disable-modules)
1001       modules="no"
1002   ;;
1003   --cpu=*)
1004   ;;
1005   --target-list=*) target_list="$optarg"
1006                    if test "$target_list_exclude"; then
1007                        error_exit "Can't mix --target-list with --target-list-exclude"
1008                    fi
1009   ;;
1010   --target-list-exclude=*) target_list_exclude="$optarg"
1011                    if test "$target_list"; then
1012                        error_exit "Can't mix --target-list-exclude with --target-list"
1013                    fi
1014   ;;
1015   --enable-trace-backends=*) trace_backends="$optarg"
1016   ;;
1017   # XXX: backwards compatibility
1018   --enable-trace-backend=*) trace_backends="$optarg"
1019   ;;
1020   --with-trace-file=*) trace_file="$optarg"
1021   ;;
1022   --with-default-devices) default_devices="yes"
1023   ;;
1024   --without-default-devices) default_devices="no"
1025   ;;
1026   --enable-gprof) gprof="yes"
1027   ;;
1028   --enable-gcov) gcov="yes"
1029   ;;
1030   --static)
1031     static="yes"
1032     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1033     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1034   ;;
1035   --mandir=*) mandir="$optarg"
1036   ;;
1037   --bindir=*) bindir="$optarg"
1038   ;;
1039   --libdir=*) libdir="$optarg"
1040   ;;
1041   --libexecdir=*) libexecdir="$optarg"
1042   ;;
1043   --includedir=*) includedir="$optarg"
1044   ;;
1045   --datadir=*) datadir="$optarg"
1046   ;;
1047   --with-confsuffix=*) confsuffix="$optarg"
1048   ;;
1049   --docdir=*) qemu_docdir="$optarg"
1050   ;;
1051   --sysconfdir=*) sysconfdir="$optarg"
1052   ;;
1053   --localstatedir=*) local_statedir="$optarg"
1054   ;;
1055   --firmwarepath=*) firmwarepath="$optarg"
1056   ;;
1057   --host=*|--build=*|\
1058   --disable-dependency-tracking|\
1059   --sbindir=*|--sharedstatedir=*|\
1060   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1061   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1062     # These switches are silently ignored, for compatibility with
1063     # autoconf-generated configure scripts. This allows QEMU's
1064     # configure to be used by RPM and similar macros that set
1065     # lots of directory switches by default.
1066   ;;
1067   --disable-sdl) sdl="no"
1068   ;;
1069   --enable-sdl) sdl="yes"
1070   ;;
1071   --disable-sdl-image) sdl_image="no"
1072   ;;
1073   --enable-sdl-image) sdl_image="yes"
1074   ;;
1075   --disable-qom-cast-debug) qom_cast_debug="no"
1076   ;;
1077   --enable-qom-cast-debug) qom_cast_debug="yes"
1078   ;;
1079   --disable-virtfs) virtfs="no"
1080   ;;
1081   --enable-virtfs) virtfs="yes"
1082   ;;
1083   --disable-mpath) mpath="no"
1084   ;;
1085   --enable-mpath) mpath="yes"
1086   ;;
1087   --disable-vnc) vnc="no"
1088   ;;
1089   --enable-vnc) vnc="yes"
1090   ;;
1091   --oss-lib=*) oss_lib="$optarg"
1092   ;;
1093   --audio-drv-list=*) audio_drv_list="$optarg"
1094   ;;
1095   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1096   ;;
1097   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1098   ;;
1099   --enable-debug-tcg) debug_tcg="yes"
1100   ;;
1101   --disable-debug-tcg) debug_tcg="no"
1102   ;;
1103   --enable-debug)
1104       # Enable debugging options that aren't excessively noisy
1105       debug_tcg="yes"
1106       debug_mutex="yes"
1107       debug="yes"
1108       strip_opt="no"
1109       fortify_source="no"
1110   ;;
1111   --enable-sanitizers) sanitizers="yes"
1112   ;;
1113   --disable-sanitizers) sanitizers="no"
1114   ;;
1115   --enable-sparse) sparse="yes"
1116   ;;
1117   --disable-sparse) sparse="no"
1118   ;;
1119   --disable-strip) strip_opt="no"
1120   ;;
1121   --disable-vnc-sasl) vnc_sasl="no"
1122   ;;
1123   --enable-vnc-sasl) vnc_sasl="yes"
1124   ;;
1125   --disable-vnc-jpeg) vnc_jpeg="no"
1126   ;;
1127   --enable-vnc-jpeg) vnc_jpeg="yes"
1128   ;;
1129   --disable-vnc-png) vnc_png="no"
1130   ;;
1131   --enable-vnc-png) vnc_png="yes"
1132   ;;
1133   --disable-slirp) slirp="no"
1134   ;;
1135   --enable-slirp=git) slirp="git"
1136   ;;
1137   --enable-slirp=system) slirp="system"
1138   ;;
1139   --disable-vde) vde="no"
1140   ;;
1141   --enable-vde) vde="yes"
1142   ;;
1143   --disable-netmap) netmap="no"
1144   ;;
1145   --enable-netmap) netmap="yes"
1146   ;;
1147   --disable-xen) xen="no"
1148   ;;
1149   --enable-xen) xen="yes"
1150   ;;
1151   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1152   ;;
1153   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1154   ;;
1155   --disable-brlapi) brlapi="no"
1156   ;;
1157   --enable-brlapi) brlapi="yes"
1158   ;;
1159   --disable-kvm) kvm="no"
1160   ;;
1161   --enable-kvm) kvm="yes"
1162   ;;
1163   --disable-hax) hax="no"
1164   ;;
1165   --enable-hax) hax="yes"
1166   ;;
1167   --disable-hvf) hvf="no"
1168   ;;
1169   --enable-hvf) hvf="yes"
1170   ;;
1171   --disable-whpx) whpx="no"
1172   ;;
1173   --enable-whpx) whpx="yes"
1174   ;;
1175   --disable-tcg-interpreter) tcg_interpreter="no"
1176   ;;
1177   --enable-tcg-interpreter) tcg_interpreter="yes"
1178   ;;
1179   --disable-cap-ng)  cap_ng="no"
1180   ;;
1181   --enable-cap-ng) cap_ng="yes"
1182   ;;
1183   --disable-tcg) tcg="no"
1184   ;;
1185   --enable-tcg) tcg="yes"
1186   ;;
1187   --disable-malloc-trim) malloc_trim="no"
1188   ;;
1189   --enable-malloc-trim) malloc_trim="yes"
1190   ;;
1191   --disable-spice) spice="no"
1192   ;;
1193   --enable-spice) spice="yes"
1194   ;;
1195   --disable-libiscsi) libiscsi="no"
1196   ;;
1197   --enable-libiscsi) libiscsi="yes"
1198   ;;
1199   --disable-libnfs) libnfs="no"
1200   ;;
1201   --enable-libnfs) libnfs="yes"
1202   ;;
1203   --enable-profiler) profiler="yes"
1204   ;;
1205   --disable-cocoa) cocoa="no"
1206   ;;
1207   --enable-cocoa)
1208       cocoa="yes" ;
1209       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1210   ;;
1211   --disable-system) softmmu="no"
1212   ;;
1213   --enable-system) softmmu="yes"
1214   ;;
1215   --disable-user)
1216       linux_user="no" ;
1217       bsd_user="no" ;
1218   ;;
1219   --enable-user) ;;
1220   --disable-linux-user) linux_user="no"
1221   ;;
1222   --enable-linux-user) linux_user="yes"
1223   ;;
1224   --disable-bsd-user) bsd_user="no"
1225   ;;
1226   --enable-bsd-user) bsd_user="yes"
1227   ;;
1228   --enable-pie) pie="yes"
1229   ;;
1230   --disable-pie) pie="no"
1231   ;;
1232   --enable-werror) werror="yes"
1233   ;;
1234   --disable-werror) werror="no"
1235   ;;
1236   --enable-stack-protector) stack_protector="yes"
1237   ;;
1238   --disable-stack-protector) stack_protector="no"
1239   ;;
1240   --disable-curses) curses="no"
1241   ;;
1242   --enable-curses) curses="yes"
1243   ;;
1244   --disable-iconv) iconv="no"
1245   ;;
1246   --enable-iconv) iconv="yes"
1247   ;;
1248   --disable-curl) curl="no"
1249   ;;
1250   --enable-curl) curl="yes"
1251   ;;
1252   --disable-fdt) fdt="no"
1253   ;;
1254   --enable-fdt) fdt="yes"
1255   ;;
1256   --disable-linux-aio) linux_aio="no"
1257   ;;
1258   --enable-linux-aio) linux_aio="yes"
1259   ;;
1260   --disable-linux-io-uring) linux_io_uring="no"
1261   ;;
1262   --enable-linux-io-uring) linux_io_uring="yes"
1263   ;;
1264   --disable-attr) attr="no"
1265   ;;
1266   --enable-attr) attr="yes"
1267   ;;
1268   --disable-membarrier) membarrier="no"
1269   ;;
1270   --enable-membarrier) membarrier="yes"
1271   ;;
1272   --disable-blobs) blobs="no"
1273   ;;
1274   --with-pkgversion=*) pkgversion="$optarg"
1275   ;;
1276   --with-coroutine=*) coroutine="$optarg"
1277   ;;
1278   --disable-coroutine-pool) coroutine_pool="no"
1279   ;;
1280   --enable-coroutine-pool) coroutine_pool="yes"
1281   ;;
1282   --enable-debug-stack-usage) debug_stack_usage="yes"
1283   ;;
1284   --enable-crypto-afalg) crypto_afalg="yes"
1285   ;;
1286   --disable-crypto-afalg) crypto_afalg="no"
1287   ;;
1288   --disable-docs) docs="no"
1289   ;;
1290   --enable-docs) docs="yes"
1291   ;;
1292   --disable-vhost-net) vhost_net="no"
1293   ;;
1294   --enable-vhost-net) vhost_net="yes"
1295   ;;
1296   --disable-vhost-crypto) vhost_crypto="no"
1297   ;;
1298   --enable-vhost-crypto) vhost_crypto="yes"
1299   ;;
1300   --disable-vhost-scsi) vhost_scsi="no"
1301   ;;
1302   --enable-vhost-scsi) vhost_scsi="yes"
1303   ;;
1304   --disable-vhost-vsock) vhost_vsock="no"
1305   ;;
1306   --enable-vhost-vsock) vhost_vsock="yes"
1307   ;;
1308   --disable-vhost-user-fs) vhost_user_fs="no"
1309   ;;
1310   --enable-vhost-user-fs) vhost_user_fs="yes"
1311   ;;
1312   --disable-opengl) opengl="no"
1313   ;;
1314   --enable-opengl) opengl="yes"
1315   ;;
1316   --disable-rbd) rbd="no"
1317   ;;
1318   --enable-rbd) rbd="yes"
1319   ;;
1320   --disable-xfsctl) xfs="no"
1321   ;;
1322   --enable-xfsctl) xfs="yes"
1323   ;;
1324   --disable-smartcard) smartcard="no"
1325   ;;
1326   --enable-smartcard) smartcard="yes"
1327   ;;
1328   --disable-libusb) libusb="no"
1329   ;;
1330   --enable-libusb) libusb="yes"
1331   ;;
1332   --disable-usb-redir) usb_redir="no"
1333   ;;
1334   --enable-usb-redir) usb_redir="yes"
1335   ;;
1336   --disable-zlib-test) zlib="no"
1337   ;;
1338   --disable-lzo) lzo="no"
1339   ;;
1340   --enable-lzo) lzo="yes"
1341   ;;
1342   --disable-snappy) snappy="no"
1343   ;;
1344   --enable-snappy) snappy="yes"
1345   ;;
1346   --disable-bzip2) bzip2="no"
1347   ;;
1348   --enable-bzip2) bzip2="yes"
1349   ;;
1350   --enable-lzfse) lzfse="yes"
1351   ;;
1352   --disable-lzfse) lzfse="no"
1353   ;;
1354   --enable-guest-agent) guest_agent="yes"
1355   ;;
1356   --disable-guest-agent) guest_agent="no"
1357   ;;
1358   --enable-guest-agent-msi) guest_agent_msi="yes"
1359   ;;
1360   --disable-guest-agent-msi) guest_agent_msi="no"
1361   ;;
1362   --with-vss-sdk) vss_win32_sdk=""
1363   ;;
1364   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1365   ;;
1366   --without-vss-sdk) vss_win32_sdk="no"
1367   ;;
1368   --with-win-sdk) win_sdk=""
1369   ;;
1370   --with-win-sdk=*) win_sdk="$optarg"
1371   ;;
1372   --without-win-sdk) win_sdk="no"
1373   ;;
1374   --enable-tools) want_tools="yes"
1375   ;;
1376   --disable-tools) want_tools="no"
1377   ;;
1378   --enable-seccomp) seccomp="yes"
1379   ;;
1380   --disable-seccomp) seccomp="no"
1381   ;;
1382   --disable-glusterfs) glusterfs="no"
1383   ;;
1384   --disable-avx2) avx2_opt="no"
1385   ;;
1386   --enable-avx2) avx2_opt="yes"
1387   ;;
1388   --enable-glusterfs) glusterfs="yes"
1389   ;;
1390   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1391       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1392   ;;
1393   --enable-vhdx|--disable-vhdx)
1394       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1395   ;;
1396   --enable-uuid|--disable-uuid)
1397       echo "$0: $opt is obsolete, UUID support is always built" >&2
1398   ;;
1399   --disable-gtk) gtk="no"
1400   ;;
1401   --enable-gtk) gtk="yes"
1402   ;;
1403   --tls-priority=*) tls_priority="$optarg"
1404   ;;
1405   --disable-gnutls) gnutls="no"
1406   ;;
1407   --enable-gnutls) gnutls="yes"
1408   ;;
1409   --disable-nettle) nettle="no"
1410   ;;
1411   --enable-nettle) nettle="yes"
1412   ;;
1413   --disable-gcrypt) gcrypt="no"
1414   ;;
1415   --enable-gcrypt) gcrypt="yes"
1416   ;;
1417   --disable-auth-pam) auth_pam="no"
1418   ;;
1419   --enable-auth-pam) auth_pam="yes"
1420   ;;
1421   --enable-rdma) rdma="yes"
1422   ;;
1423   --disable-rdma) rdma="no"
1424   ;;
1425   --enable-pvrdma) pvrdma="yes"
1426   ;;
1427   --disable-pvrdma) pvrdma="no"
1428   ;;
1429   --disable-vte) vte="no"
1430   ;;
1431   --enable-vte) vte="yes"
1432   ;;
1433   --disable-virglrenderer) virglrenderer="no"
1434   ;;
1435   --enable-virglrenderer) virglrenderer="yes"
1436   ;;
1437   --disable-tpm) tpm="no"
1438   ;;
1439   --enable-tpm) tpm="yes"
1440   ;;
1441   --disable-libssh) libssh="no"
1442   ;;
1443   --enable-libssh) libssh="yes"
1444   ;;
1445   --disable-live-block-migration) live_block_migration="no"
1446   ;;
1447   --enable-live-block-migration) live_block_migration="yes"
1448   ;;
1449   --disable-numa) numa="no"
1450   ;;
1451   --enable-numa) numa="yes"
1452   ;;
1453   --disable-libxml2) libxml2="no"
1454   ;;
1455   --enable-libxml2) libxml2="yes"
1456   ;;
1457   --disable-tcmalloc) tcmalloc="no"
1458   ;;
1459   --enable-tcmalloc) tcmalloc="yes"
1460   ;;
1461   --disable-jemalloc) jemalloc="no"
1462   ;;
1463   --enable-jemalloc) jemalloc="yes"
1464   ;;
1465   --disable-replication) replication="no"
1466   ;;
1467   --enable-replication) replication="yes"
1468   ;;
1469   --disable-vxhs) vxhs="no"
1470   ;;
1471   --enable-vxhs) vxhs="yes"
1472   ;;
1473   --disable-bochs) bochs="no"
1474   ;;
1475   --enable-bochs) bochs="yes"
1476   ;;
1477   --disable-cloop) cloop="no"
1478   ;;
1479   --enable-cloop) cloop="yes"
1480   ;;
1481   --disable-dmg) dmg="no"
1482   ;;
1483   --enable-dmg) dmg="yes"
1484   ;;
1485   --disable-qcow1) qcow1="no"
1486   ;;
1487   --enable-qcow1) qcow1="yes"
1488   ;;
1489   --disable-vdi) vdi="no"
1490   ;;
1491   --enable-vdi) vdi="yes"
1492   ;;
1493   --disable-vvfat) vvfat="no"
1494   ;;
1495   --enable-vvfat) vvfat="yes"
1496   ;;
1497   --disable-qed) qed="no"
1498   ;;
1499   --enable-qed) qed="yes"
1500   ;;
1501   --disable-parallels) parallels="no"
1502   ;;
1503   --enable-parallels) parallels="yes"
1504   ;;
1505   --disable-sheepdog) sheepdog="no"
1506   ;;
1507   --enable-sheepdog) sheepdog="yes"
1508   ;;
1509   --disable-vhost-user) vhost_user="no"
1510   ;;
1511   --enable-vhost-user) vhost_user="yes"
1512   ;;
1513   --disable-vhost-kernel) vhost_kernel="no"
1514   ;;
1515   --enable-vhost-kernel) vhost_kernel="yes"
1516   ;;
1517   --disable-capstone) capstone="no"
1518   ;;
1519   --enable-capstone) capstone="yes"
1520   ;;
1521   --enable-capstone=git) capstone="git"
1522   ;;
1523   --enable-capstone=system) capstone="system"
1524   ;;
1525   --with-git=*) git="$optarg"
1526   ;;
1527   --enable-git-update) git_update=yes
1528   ;;
1529   --disable-git-update) git_update=no
1530   ;;
1531   --enable-debug-mutex) debug_mutex=yes
1532   ;;
1533   --disable-debug-mutex) debug_mutex=no
1534   ;;
1535   --enable-libpmem) libpmem=yes
1536   ;;
1537   --disable-libpmem) libpmem=no
1538   ;;
1539   --enable-xkbcommon) xkbcommon=yes
1540   ;;
1541   --disable-xkbcommon) xkbcommon=no
1542   ;;
1543   --enable-plugins) plugins="yes"
1544   ;;
1545   --disable-plugins) plugins="no"
1546   ;;
1547   --enable-containers) use_containers="yes"
1548   ;;
1549   --disable-containers) use_containers="no"
1550   ;;
1551   *)
1552       echo "ERROR: unknown option $opt"
1553       echo "Try '$0 --help' for more information"
1554       exit 1
1555   ;;
1556   esac
1557 done
1558
1559 case "$cpu" in
1560     ppc)
1561            CPU_CFLAGS="-m32"
1562            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1563            ;;
1564     ppc64)
1565            CPU_CFLAGS="-m64"
1566            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1567            ;;
1568     sparc)
1569            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1570            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1571            ;;
1572     sparc64)
1573            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1574            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1575            ;;
1576     s390)
1577            CPU_CFLAGS="-m31"
1578            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1579            ;;
1580     s390x)
1581            CPU_CFLAGS="-m64"
1582            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1583            ;;
1584     i386)
1585            CPU_CFLAGS="-m32"
1586            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1587            ;;
1588     x86_64)
1589            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1590            # If we truly care, we should simply detect this case at
1591            # runtime and generate the fallback to serial emulation.
1592            CPU_CFLAGS="-m64 -mcx16"
1593            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1594            ;;
1595     x32)
1596            CPU_CFLAGS="-mx32"
1597            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1598            ;;
1599     # No special flags required for other host CPUs
1600 esac
1601
1602 eval "cross_cc_${cpu}=\$host_cc"
1603 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1604 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1605
1606 # For user-mode emulation the host arch has to be one we explicitly
1607 # support, even if we're using TCI.
1608 if [ "$ARCH" = "unknown" ]; then
1609   bsd_user="no"
1610   linux_user="no"
1611 fi
1612
1613 default_target_list=""
1614
1615 mak_wilds=""
1616
1617 if [ "$softmmu" = "yes" ]; then
1618     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1619 fi
1620 if [ "$linux_user" = "yes" ]; then
1621     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1622 fi
1623 if [ "$bsd_user" = "yes" ]; then
1624     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1625 fi
1626
1627 if test -z "$target_list_exclude"; then
1628     for config in $mak_wilds; do
1629         default_target_list="${default_target_list} $(basename "$config" .mak)"
1630     done
1631 else
1632     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1633     for config in $mak_wilds; do
1634         target="$(basename "$config" .mak)"
1635         exclude="no"
1636         for excl in $exclude_list; do
1637             if test "$excl" = "$target"; then
1638                 exclude="yes"
1639                 break;
1640             fi
1641         done
1642         if test "$exclude" = "no"; then
1643             default_target_list="${default_target_list} $target"
1644         fi
1645     done
1646 fi
1647
1648 # Enumerate public trace backends for --help output
1649 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1650
1651 if test x"$show_help" = x"yes" ; then
1652 cat << EOF
1653
1654 Usage: configure [options]
1655 Options: [defaults in brackets after descriptions]
1656
1657 Standard options:
1658   --help                   print this message
1659   --prefix=PREFIX          install in PREFIX [$prefix]
1660   --interp-prefix=PREFIX   where to find shared libraries, etc.
1661                            use %M for cpu name [$interp_prefix]
1662   --target-list=LIST       set target list (default: build everything)
1663 $(echo Available targets: $default_target_list | \
1664   fold -s -w 53 | sed -e 's/^/                           /')
1665   --target-list-exclude=LIST exclude a set of targets from the default target-list
1666
1667 Advanced options (experts only):
1668   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1669   --cc=CC                  use C compiler CC [$cc]
1670   --iasl=IASL              use ACPI compiler IASL [$iasl]
1671   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1672                            build time
1673   --cxx=CXX                use C++ compiler CXX [$cxx]
1674   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1675   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1676   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1677   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1678   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1679   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1680   --make=MAKE              use specified make [$make]
1681   --install=INSTALL        use specified install [$install]
1682   --python=PYTHON          use specified python [$python]
1683   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1684   --smbd=SMBD              use specified smbd [$smbd]
1685   --with-git=GIT           use specified git [$git]
1686   --static                 enable static build [$static]
1687   --mandir=PATH            install man pages in PATH
1688   --datadir=PATH           install firmware in PATH$confsuffix
1689   --docdir=PATH            install documentation in PATH$confsuffix
1690   --bindir=PATH            install binaries in PATH
1691   --libdir=PATH            install libraries in PATH
1692   --libexecdir=PATH        install helper binaries in PATH
1693   --sysconfdir=PATH        install config in PATH$confsuffix
1694   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1695   --firmwarepath=PATH      search PATH for firmware files
1696   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1697   --with-pkgversion=VERS   use specified string as sub-version of the package
1698   --enable-debug           enable common debug build options
1699   --enable-sanitizers      enable default sanitizers
1700   --disable-strip          disable stripping binaries
1701   --disable-werror         disable compilation abort on warning
1702   --disable-stack-protector disable compiler-provided stack protection
1703   --audio-drv-list=LIST    set audio drivers list:
1704                            Available drivers: $audio_possible_drivers
1705   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1706   --block-drv-rw-whitelist=L
1707                            set block driver read-write whitelist
1708                            (affects only QEMU, not qemu-img)
1709   --block-drv-ro-whitelist=L
1710                            set block driver read-only whitelist
1711                            (affects only QEMU, not qemu-img)
1712   --enable-trace-backends=B Set trace backend
1713                            Available backends: $trace_backend_list
1714   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1715                            Default:trace-<pid>
1716   --disable-slirp          disable SLIRP userspace network connectivity
1717   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1718   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1719   --oss-lib                path to OSS library
1720   --cpu=CPU                Build for host CPU [$cpu]
1721   --with-coroutine=BACKEND coroutine backend. Supported options:
1722                            ucontext, sigaltstack, windows
1723   --enable-gcov            enable test coverage analysis with gcov
1724   --gcov=GCOV              use specified gcov [$gcov_tool]
1725   --disable-blobs          disable installing provided firmware blobs
1726   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1727   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1728   --tls-priority           default TLS protocol/cipher priority string
1729   --enable-gprof           QEMU profiling with gprof
1730   --enable-profiler        profiler support
1731   --enable-debug-stack-usage
1732                            track the maximum stack usage of stacks created by qemu_alloc_stack
1733   --enable-plugins
1734                            enable plugins via shared library loading
1735   --disable-containers     don't use containers for cross-building
1736
1737 Optional features, enabled with --enable-FEATURE and
1738 disabled with --disable-FEATURE, default is enabled if available:
1739
1740   system          all system emulation targets
1741   user            supported user emulation targets
1742   linux-user      all linux usermode emulation targets
1743   bsd-user        all BSD usermode emulation targets
1744   docs            build documentation
1745   guest-agent     build the QEMU Guest Agent
1746   guest-agent-msi build guest agent Windows MSI installation package
1747   pie             Position Independent Executables
1748   modules         modules support (non-Windows)
1749   debug-tcg       TCG debugging (default is disabled)
1750   debug-info      debugging information
1751   sparse          sparse checker
1752
1753   gnutls          GNUTLS cryptography support
1754   nettle          nettle cryptography support
1755   gcrypt          libgcrypt cryptography support
1756   auth-pam        PAM access control
1757   sdl             SDL UI
1758   sdl-image       SDL Image support for icons
1759   gtk             gtk UI
1760   vte             vte support for the gtk UI
1761   curses          curses UI
1762   iconv           font glyph conversion support
1763   vnc             VNC UI support
1764   vnc-sasl        SASL encryption for VNC server
1765   vnc-jpeg        JPEG lossy compression for VNC server
1766   vnc-png         PNG compression for VNC server
1767   cocoa           Cocoa UI (Mac OS X only)
1768   virtfs          VirtFS
1769   mpath           Multipath persistent reservation passthrough
1770   xen             xen backend driver support
1771   xen-pci-passthrough    PCI passthrough support for Xen
1772   brlapi          BrlAPI (Braile)
1773   curl            curl connectivity
1774   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1775   fdt             fdt device tree
1776   kvm             KVM acceleration support
1777   hax             HAX acceleration support
1778   hvf             Hypervisor.framework acceleration support
1779   whpx            Windows Hypervisor Platform acceleration support
1780   rdma            Enable RDMA-based migration
1781   pvrdma          Enable PVRDMA support
1782   vde             support for vde network
1783   netmap          support for netmap network
1784   linux-aio       Linux AIO support
1785   linux-io-uring  Linux io_uring support
1786   cap-ng          libcap-ng support
1787   attr            attr and xattr support
1788   vhost-net       vhost-net kernel acceleration support
1789   vhost-vsock     virtio sockets device support
1790   vhost-scsi      vhost-scsi kernel target support
1791   vhost-crypto    vhost-user-crypto backend support
1792   vhost-kernel    vhost kernel backend support
1793   vhost-user      vhost-user backend support
1794   spice           spice
1795   rbd             rados block device (rbd)
1796   libiscsi        iscsi support
1797   libnfs          nfs support
1798   smartcard       smartcard support (libcacard)
1799   libusb          libusb (for usb passthrough)
1800   live-block-migration   Block migration in the main migration stream
1801   usb-redir       usb network redirection support
1802   lzo             support of lzo compression library
1803   snappy          support of snappy compression library
1804   bzip2           support of bzip2 compression library
1805                   (for reading bzip2-compressed dmg images)
1806   lzfse           support of lzfse compression library
1807                   (for reading lzfse-compressed dmg images)
1808   seccomp         seccomp support
1809   coroutine-pool  coroutine freelist (better performance)
1810   glusterfs       GlusterFS backend
1811   tpm             TPM support
1812   libssh          ssh block device support
1813   numa            libnuma support
1814   libxml2         for Parallels image format
1815   tcmalloc        tcmalloc support
1816   jemalloc        jemalloc support
1817   avx2            AVX2 optimization support
1818   replication     replication support
1819   opengl          opengl support
1820   virglrenderer   virgl rendering support
1821   xfsctl          xfsctl support
1822   qom-cast-debug  cast debugging support
1823   tools           build qemu-io, qemu-nbd and qemu-img tools
1824   vxhs            Veritas HyperScale vDisk backend support
1825   bochs           bochs image format support
1826   cloop           cloop image format support
1827   dmg             dmg image format support
1828   qcow1           qcow v1 image format support
1829   vdi             vdi image format support
1830   vvfat           vvfat image format support
1831   qed             qed image format support
1832   parallels       parallels image format support
1833   sheepdog        sheepdog block driver support
1834   crypto-afalg    Linux AF_ALG crypto backend driver
1835   capstone        capstone disassembler support
1836   debug-mutex     mutex debugging support
1837   libpmem         libpmem support
1838   xkbcommon       xkbcommon support
1839
1840 NOTE: The object files are built at the place where configure is launched
1841 EOF
1842 exit 0
1843 fi
1844
1845 # Remove old dependency files to make sure that they get properly regenerated
1846 rm -f */config-devices.mak.d
1847
1848 if test -z "$python"
1849 then
1850     error_exit "Python not found. Use --python=/path/to/python"
1851 fi
1852
1853 # Note that if the Python conditional here evaluates True we will exit
1854 # with status 1 which is a shell 'false' value.
1855 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1856   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1857       "Use --python=/path/to/python to specify a supported Python."
1858 fi
1859
1860 # Preserve python version since some functionality is dependent on it
1861 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)
1862
1863 # Suppress writing compiled files
1864 python="$python -B"
1865
1866 # Check that the C compiler works. Doing this here before testing
1867 # the host CPU ensures that we had a valid CC to autodetect the
1868 # $cpu var (and we should bail right here if that's not the case).
1869 # It also allows the help message to be printed without a CC.
1870 write_c_skeleton;
1871 if compile_object ; then
1872   : C compiler works ok
1873 else
1874     error_exit "\"$cc\" either does not exist or does not work"
1875 fi
1876 if ! compile_prog ; then
1877     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1878 fi
1879
1880 # Now we have handled --enable-tcg-interpreter and know we're not just
1881 # printing the help message, bail out if the host CPU isn't supported.
1882 if test "$ARCH" = "unknown"; then
1883     if test "$tcg_interpreter" = "yes" ; then
1884         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1885     else
1886         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1887     fi
1888 fi
1889
1890 # Consult white-list to determine whether to enable werror
1891 # by default.  Only enable by default for git builds
1892 if test -z "$werror" ; then
1893     if test -e "$source_path/.git" && \
1894         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1895         werror="yes"
1896     else
1897         werror="no"
1898     fi
1899 fi
1900
1901 if test "$bogus_os" = "yes"; then
1902     # Now that we know that we're not printing the help and that
1903     # the compiler works (so the results of the check_defines we used
1904     # to identify the OS are reliable), if we didn't recognize the
1905     # host OS we should stop now.
1906     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1907 fi
1908
1909 # Check whether the compiler matches our minimum requirements:
1910 cat > $TMPC << EOF
1911 #if defined(__clang_major__) && defined(__clang_minor__)
1912 # ifdef __apple_build_version__
1913 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1914 #   error You need at least XCode Clang v5.1 to compile QEMU
1915 #  endif
1916 # else
1917 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1918 #   error You need at least Clang v3.4 to compile QEMU
1919 #  endif
1920 # endif
1921 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1922 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1923 #  error You need at least GCC v4.8 to compile QEMU
1924 # endif
1925 #else
1926 # error You either need GCC or Clang to compiler QEMU
1927 #endif
1928 int main (void) { return 0; }
1929 EOF
1930 if ! compile_prog "" "" ; then
1931     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1932 fi
1933
1934 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1935 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1936 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1937 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1938 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1939 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1940 # Note that we do not add -Werror to gcc_flags here, because that would
1941 # enable it for all configure tests. If a configure test failed due
1942 # to -Werror this would just silently disable some features,
1943 # so it's too error prone.
1944
1945 cc_has_warning_flag() {
1946     write_c_skeleton;
1947
1948     # Use the positive sense of the flag when testing for -Wno-wombat
1949     # support (gcc will happily accept the -Wno- form of unknown
1950     # warning options).
1951     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1952     compile_prog "-Werror $optflag" ""
1953 }
1954
1955 for flag in $gcc_flags; do
1956     if cc_has_warning_flag $flag ; then
1957         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1958     fi
1959 done
1960
1961 if test "$stack_protector" != "no"; then
1962   cat > $TMPC << EOF
1963 int main(int argc, char *argv[])
1964 {
1965     char arr[64], *p = arr, *c = argv[0];
1966     while (*c) {
1967         *p++ = *c++;
1968     }
1969     return 0;
1970 }
1971 EOF
1972   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1973   sp_on=0
1974   for flag in $gcc_flags; do
1975     # We need to check both a compile and a link, since some compiler
1976     # setups fail only on a .c->.o compile and some only at link time
1977     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1978        compile_prog "-Werror $flag" ""; then
1979       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1980       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1981       sp_on=1
1982       break
1983     fi
1984   done
1985   if test "$stack_protector" = yes; then
1986     if test $sp_on = 0; then
1987       error_exit "Stack protector not supported"
1988     fi
1989   fi
1990 fi
1991
1992 # Disable -Wmissing-braces on older compilers that warn even for
1993 # the "universal" C zero initializer {0}.
1994 cat > $TMPC << EOF
1995 struct {
1996   int a[2];
1997 } x = {0};
1998 EOF
1999 if compile_object "-Werror" "" ; then
2000   :
2001 else
2002   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2003 fi
2004
2005 # Our module code doesn't support Windows
2006 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2007   error_exit "Modules are not available for Windows"
2008 fi
2009
2010 # Static linking is not possible with modules or PIE
2011 if test "$static" = "yes" ; then
2012   if test "$modules" = "yes" ; then
2013     error_exit "static and modules are mutually incompatible"
2014   fi
2015   if test "$pie" = "yes" ; then
2016     error_exit "static and pie are mutually incompatible"
2017   else
2018     pie="no"
2019   fi
2020 fi
2021
2022 # Unconditional check for compiler __thread support
2023   cat > $TMPC << EOF
2024 static __thread int tls_var;
2025 int main(void) { return tls_var; }
2026 EOF
2027
2028 if ! compile_prog "-Werror" "" ; then
2029     error_exit "Your compiler does not support the __thread specifier for " \
2030         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2031 fi
2032
2033 if test "$pie" = ""; then
2034   case "$cpu-$targetos" in
2035     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2036       ;;
2037     *)
2038       pie="no"
2039       ;;
2040   esac
2041 fi
2042
2043 if test "$pie" != "no" ; then
2044   cat > $TMPC << EOF
2045
2046 #ifdef __linux__
2047 #  define THREAD __thread
2048 #else
2049 #  define THREAD
2050 #endif
2051
2052 static THREAD int tls_var;
2053
2054 int main(void) { return tls_var; }
2055
2056 EOF
2057   # check we support --no-pie first...
2058   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2059     CFLAGS_NOPIE="-fno-pie"
2060     LDFLAGS_NOPIE="-nopie"
2061   fi
2062
2063   if compile_prog "-fPIE -DPIE" "-pie"; then
2064     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2065     QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2066     pie="yes"
2067     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2068       QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2069     fi
2070   else
2071     if test "$pie" = "yes"; then
2072       error_exit "PIE not available due to missing toolchain support"
2073     else
2074       echo "Disabling PIE due to missing toolchain support"
2075       pie="no"
2076     fi
2077   fi
2078 fi
2079
2080 ##########################################
2081 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2082 # use i686 as default anyway, but for those that don't, an explicit
2083 # specification is necessary
2084
2085 if test "$cpu" = "i386"; then
2086   cat > $TMPC << EOF
2087 static int sfaa(int *ptr)
2088 {
2089   return __sync_fetch_and_and(ptr, 0);
2090 }
2091
2092 int main(void)
2093 {
2094   int val = 42;
2095   val = __sync_val_compare_and_swap(&val, 0, 1);
2096   sfaa(&val);
2097   return val;
2098 }
2099 EOF
2100   if ! compile_prog "" "" ; then
2101     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2102   fi
2103 fi
2104
2105 #########################################
2106 # Solaris specific configure tool chain decisions
2107
2108 if test "$solaris" = "yes" ; then
2109   if has $install; then
2110     :
2111   else
2112     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2113         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2114         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2115   fi
2116   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2117     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2118         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2119         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2120   fi
2121   if has ar; then
2122     :
2123   else
2124     if test -f /usr/ccs/bin/ar ; then
2125       error_exit "No path includes ar" \
2126           "Add /usr/ccs/bin to your path and rerun configure"
2127     fi
2128     error_exit "No path includes ar"
2129   fi
2130 fi
2131
2132 if test -z "${target_list+xxx}" ; then
2133     for target in $default_target_list; do
2134         supported_target $target 2>/dev/null && \
2135             target_list="$target_list $target"
2136     done
2137     target_list="${target_list# }"
2138 else
2139     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2140     for target in $target_list; do
2141         # Check that we recognised the target name; this allows a more
2142         # friendly error message than if we let it fall through.
2143         case " $default_target_list " in
2144             *" $target "*)
2145                 ;;
2146             *)
2147                 error_exit "Unknown target name '$target'"
2148                 ;;
2149         esac
2150         supported_target $target || exit 1
2151     done
2152 fi
2153
2154 # see if system emulation was really requested
2155 case " $target_list " in
2156   *"-softmmu "*) softmmu=yes
2157   ;;
2158   *) softmmu=no
2159   ;;
2160 esac
2161
2162 for target in $target_list; do
2163   case "$target" in
2164     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2165       edk2_blobs="yes"
2166       ;;
2167   esac
2168 done
2169 # The EDK2 binaries are compressed with bzip2
2170 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2171   error_exit "The bzip2 program is required for building QEMU"
2172 fi
2173
2174 feature_not_found() {
2175   feature=$1
2176   remedy=$2
2177
2178   error_exit "User requested feature $feature" \
2179       "configure was not able to find it." \
2180       "$remedy"
2181 }
2182
2183 # ---
2184 # big/little endian test
2185 cat > $TMPC << EOF
2186 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2187 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2188 extern int foo(short *, short *);
2189 int main(int argc, char *argv[]) {
2190     return foo(big_endian, little_endian);
2191 }
2192 EOF
2193
2194 if compile_object ; then
2195     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2196         bigendian="yes"
2197     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2198         bigendian="no"
2199     else
2200         echo big/little test failed
2201     fi
2202 else
2203     echo big/little test failed
2204 fi
2205
2206 ##########################################
2207 # cocoa implies not SDL or GTK
2208 # (the cocoa UI code currently assumes it is always the active UI
2209 # and doesn't interact well with other UI frontend code)
2210 if test "$cocoa" = "yes"; then
2211     if test "$sdl" = "yes"; then
2212         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2213     fi
2214     if test "$gtk" = "yes"; then
2215         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2216     fi
2217     gtk=no
2218     sdl=no
2219 fi
2220
2221 # Some versions of Mac OS X incorrectly define SIZE_MAX
2222 cat > $TMPC << EOF
2223 #include <stdint.h>
2224 #include <stdio.h>
2225 int main(int argc, char *argv[]) {
2226     return printf("%zu", SIZE_MAX);
2227 }
2228 EOF
2229 have_broken_size_max=no
2230 if ! compile_object -Werror ; then
2231     have_broken_size_max=yes
2232 fi
2233
2234 ##########################################
2235 # L2TPV3 probe
2236
2237 cat > $TMPC <<EOF
2238 #include <sys/socket.h>
2239 #include <linux/ip.h>
2240 int main(void) { return sizeof(struct mmsghdr); }
2241 EOF
2242 if compile_prog "" "" ; then
2243   l2tpv3=yes
2244 else
2245   l2tpv3=no
2246 fi
2247
2248 #########################################
2249 # vhost interdependencies and host support
2250
2251 # vhost backends
2252 test "$vhost_user" = "" && vhost_user=yes
2253 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2254   error_exit "vhost-user isn't available on win32"
2255 fi
2256 test "$vhost_kernel" = "" && vhost_kernel=$linux
2257 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2258   error_exit "vhost-kernel is only available on Linux"
2259 fi
2260
2261 # vhost-kernel devices
2262 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2263 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2264   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2265 fi
2266 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2267 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2268   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2269 fi
2270
2271 # vhost-user backends
2272 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2273 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2274   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2275 fi
2276 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2277 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2278   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2279 fi
2280 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2281 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2282   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2283 fi
2284
2285 # OR the vhost-kernel and vhost-user values for simplicity
2286 if test "$vhost_net" = ""; then
2287   test "$vhost_net_user" = "yes" && vhost_net=yes
2288   test "$vhost_kernel" = "yes" && vhost_net=yes
2289 fi
2290
2291 ##########################################
2292 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2293
2294 if test "$mingw32" = "yes"; then
2295     # Some versions of MinGW / Mingw-w64 lack localtime_r
2296     # and gmtime_r entirely.
2297     #
2298     # Some versions of Mingw-w64 define a macro for
2299     # localtime_r/gmtime_r.
2300     #
2301     # Some versions of Mingw-w64 will define functions
2302     # for localtime_r/gmtime_r, but only if you have
2303     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2304     # though, unistd.h and pthread.h both define
2305     # that for you.
2306     #
2307     # So this #undef localtime_r and #include <unistd.h>
2308     # are not in fact redundant.
2309 cat > $TMPC << EOF
2310 #include <unistd.h>
2311 #include <time.h>
2312 #undef localtime_r
2313 int main(void) { localtime_r(NULL, NULL); return 0; }
2314 EOF
2315     if compile_prog "" "" ; then
2316         localtime_r="yes"
2317     else
2318         localtime_r="no"
2319     fi
2320 fi
2321
2322 ##########################################
2323 # pkg-config probe
2324
2325 if ! has "$pkg_config_exe"; then
2326   error_exit "pkg-config binary '$pkg_config_exe' not found"
2327 fi
2328
2329 ##########################################
2330 # NPTL probe
2331
2332 if test "$linux_user" = "yes"; then
2333   cat > $TMPC <<EOF
2334 #include <sched.h>
2335 #include <linux/futex.h>
2336 int main(void) {
2337 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2338 #error bork
2339 #endif
2340   return 0;
2341 }
2342 EOF
2343   if ! compile_object ; then
2344     feature_not_found "nptl" "Install glibc and linux kernel headers."
2345   fi
2346 fi
2347
2348 ##########################################
2349 # lzo check
2350
2351 if test "$lzo" != "no" ; then
2352     cat > $TMPC << EOF
2353 #include <lzo/lzo1x.h>
2354 int main(void) { lzo_version(); return 0; }
2355 EOF
2356     if compile_prog "" "-llzo2" ; then
2357         libs_softmmu="$libs_softmmu -llzo2"
2358         lzo="yes"
2359     else
2360         if test "$lzo" = "yes"; then
2361             feature_not_found "liblzo2" "Install liblzo2 devel"
2362         fi
2363         lzo="no"
2364     fi
2365 fi
2366
2367 ##########################################
2368 # snappy check
2369
2370 if test "$snappy" != "no" ; then
2371     cat > $TMPC << EOF
2372 #include <snappy-c.h>
2373 int main(void) { snappy_max_compressed_length(4096); return 0; }
2374 EOF
2375     if compile_prog "" "-lsnappy" ; then
2376         libs_softmmu="$libs_softmmu -lsnappy"
2377         snappy="yes"
2378     else
2379         if test "$snappy" = "yes"; then
2380             feature_not_found "libsnappy" "Install libsnappy devel"
2381         fi
2382         snappy="no"
2383     fi
2384 fi
2385
2386 ##########################################
2387 # bzip2 check
2388
2389 if test "$bzip2" != "no" ; then
2390     cat > $TMPC << EOF
2391 #include <bzlib.h>
2392 int main(void) { BZ2_bzlibVersion(); return 0; }
2393 EOF
2394     if compile_prog "" "-lbz2" ; then
2395         bzip2="yes"
2396     else
2397         if test "$bzip2" = "yes"; then
2398             feature_not_found "libbzip2" "Install libbzip2 devel"
2399         fi
2400         bzip2="no"
2401     fi
2402 fi
2403
2404 ##########################################
2405 # lzfse check
2406
2407 if test "$lzfse" != "no" ; then
2408     cat > $TMPC << EOF
2409 #include <lzfse.h>
2410 int main(void) { lzfse_decode_scratch_size(); return 0; }
2411 EOF
2412     if compile_prog "" "-llzfse" ; then
2413         lzfse="yes"
2414     else
2415         if test "$lzfse" = "yes"; then
2416             feature_not_found "lzfse" "Install lzfse devel"
2417         fi
2418         lzfse="no"
2419     fi
2420 fi
2421
2422 ##########################################
2423 # libseccomp check
2424
2425 if test "$seccomp" != "no" ; then
2426     libseccomp_minver="2.3.0"
2427     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2428         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2429         seccomp_libs="$($pkg_config --libs libseccomp)"
2430         seccomp="yes"
2431     else
2432         if test "$seccomp" = "yes" ; then
2433             feature_not_found "libseccomp" \
2434                  "Install libseccomp devel >= $libseccomp_minver"
2435         fi
2436         seccomp="no"
2437     fi
2438 fi
2439 ##########################################
2440 # xen probe
2441
2442 if test "$xen" != "no" ; then
2443   # Check whether Xen library path is specified via --extra-ldflags to avoid
2444   # overriding this setting with pkg-config output. If not, try pkg-config
2445   # to obtain all needed flags.
2446
2447   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2448      $pkg_config --exists xencontrol ; then
2449     xen_ctrl_version="$(printf '%d%02d%02d' \
2450       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2451     xen=yes
2452     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2453     xen_pc="$xen_pc xenevtchn xendevicemodel"
2454     if $pkg_config --exists xentoolcore; then
2455       xen_pc="$xen_pc xentoolcore"
2456     fi
2457     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2458     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2459   else
2460
2461     xen_libs="-lxenstore -lxenctrl -lxenguest"
2462     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2463
2464     # First we test whether Xen headers and libraries are available.
2465     # If no, we are done and there is no Xen support.
2466     # If yes, more tests are run to detect the Xen version.
2467
2468     # Xen (any)
2469     cat > $TMPC <<EOF
2470 #include <xenctrl.h>
2471 int main(void) {
2472   return 0;
2473 }
2474 EOF
2475     if ! compile_prog "" "$xen_libs" ; then
2476       # Xen not found
2477       if test "$xen" = "yes" ; then
2478         feature_not_found "xen" "Install xen devel"
2479       fi
2480       xen=no
2481
2482     # Xen unstable
2483     elif
2484         cat > $TMPC <<EOF &&
2485 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2486 #define __XEN_TOOLS__
2487 #include <xendevicemodel.h>
2488 #include <xenforeignmemory.h>
2489 int main(void) {
2490   xendevicemodel_handle *xd;
2491   xenforeignmemory_handle *xfmem;
2492
2493   xd = xendevicemodel_open(0, 0);
2494   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2495
2496   xfmem = xenforeignmemory_open(0, 0);
2497   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2498
2499   return 0;
2500 }
2501 EOF
2502         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2503       then
2504       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2505       xen_ctrl_version=41100
2506       xen=yes
2507     elif
2508         cat > $TMPC <<EOF &&
2509 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2510 #include <xenforeignmemory.h>
2511 #include <xentoolcore.h>
2512 int main(void) {
2513   xenforeignmemory_handle *xfmem;
2514
2515   xfmem = xenforeignmemory_open(0, 0);
2516   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2517   xentoolcore_restrict_all(0);
2518
2519   return 0;
2520 }
2521 EOF
2522         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2523       then
2524       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2525       xen_ctrl_version=41000
2526       xen=yes
2527     elif
2528         cat > $TMPC <<EOF &&
2529 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2530 #define __XEN_TOOLS__
2531 #include <xendevicemodel.h>
2532 int main(void) {
2533   xendevicemodel_handle *xd;
2534
2535   xd = xendevicemodel_open(0, 0);
2536   xendevicemodel_close(xd);
2537
2538   return 0;
2539 }
2540 EOF
2541         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2542       then
2543       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2544       xen_ctrl_version=40900
2545       xen=yes
2546     elif
2547         cat > $TMPC <<EOF &&
2548 /*
2549  * If we have stable libs the we don't want the libxc compat
2550  * layers, regardless of what CFLAGS we may have been given.
2551  *
2552  * Also, check if xengnttab_grant_copy_segment_t is defined and
2553  * grant copy operation is implemented.
2554  */
2555 #undef XC_WANT_COMPAT_EVTCHN_API
2556 #undef XC_WANT_COMPAT_GNTTAB_API
2557 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2558 #include <xenctrl.h>
2559 #include <xenstore.h>
2560 #include <xenevtchn.h>
2561 #include <xengnttab.h>
2562 #include <xenforeignmemory.h>
2563 #include <stdint.h>
2564 #include <xen/hvm/hvm_info_table.h>
2565 #if !defined(HVM_MAX_VCPUS)
2566 # error HVM_MAX_VCPUS not defined
2567 #endif
2568 int main(void) {
2569   xc_interface *xc = NULL;
2570   xenforeignmemory_handle *xfmem;
2571   xenevtchn_handle *xe;
2572   xengnttab_handle *xg;
2573   xengnttab_grant_copy_segment_t* seg = NULL;
2574
2575   xs_daemon_open();
2576
2577   xc = xc_interface_open(0, 0, 0);
2578   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2579   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2580   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2581   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2582
2583   xfmem = xenforeignmemory_open(0, 0);
2584   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2585
2586   xe = xenevtchn_open(0, 0);
2587   xenevtchn_fd(xe);
2588
2589   xg = xengnttab_open(0, 0);
2590   xengnttab_grant_copy(xg, 0, seg);
2591
2592   return 0;
2593 }
2594 EOF
2595         compile_prog "" "$xen_libs $xen_stable_libs"
2596       then
2597       xen_ctrl_version=40800
2598       xen=yes
2599     elif
2600         cat > $TMPC <<EOF &&
2601 /*
2602  * If we have stable libs the we don't want the libxc compat
2603  * layers, regardless of what CFLAGS we may have been given.
2604  */
2605 #undef XC_WANT_COMPAT_EVTCHN_API
2606 #undef XC_WANT_COMPAT_GNTTAB_API
2607 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2608 #include <xenctrl.h>
2609 #include <xenstore.h>
2610 #include <xenevtchn.h>
2611 #include <xengnttab.h>
2612 #include <xenforeignmemory.h>
2613 #include <stdint.h>
2614 #include <xen/hvm/hvm_info_table.h>
2615 #if !defined(HVM_MAX_VCPUS)
2616 # error HVM_MAX_VCPUS not defined
2617 #endif
2618 int main(void) {
2619   xc_interface *xc = NULL;
2620   xenforeignmemory_handle *xfmem;
2621   xenevtchn_handle *xe;
2622   xengnttab_handle *xg;
2623
2624   xs_daemon_open();
2625
2626   xc = xc_interface_open(0, 0, 0);
2627   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2628   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2629   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2630   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2631
2632   xfmem = xenforeignmemory_open(0, 0);
2633   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2634
2635   xe = xenevtchn_open(0, 0);
2636   xenevtchn_fd(xe);
2637
2638   xg = xengnttab_open(0, 0);
2639   xengnttab_map_grant_ref(xg, 0, 0, 0);
2640
2641   return 0;
2642 }
2643 EOF
2644         compile_prog "" "$xen_libs $xen_stable_libs"
2645       then
2646       xen_ctrl_version=40701
2647       xen=yes
2648
2649     # Xen 4.6
2650     elif
2651         cat > $TMPC <<EOF &&
2652 #include <xenctrl.h>
2653 #include <xenstore.h>
2654 #include <stdint.h>
2655 #include <xen/hvm/hvm_info_table.h>
2656 #if !defined(HVM_MAX_VCPUS)
2657 # error HVM_MAX_VCPUS not defined
2658 #endif
2659 int main(void) {
2660   xc_interface *xc;
2661   xs_daemon_open();
2662   xc = xc_interface_open(0, 0, 0);
2663   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2664   xc_gnttab_open(NULL, 0);
2665   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2666   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2667   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2668   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2669   return 0;
2670 }
2671 EOF
2672         compile_prog "" "$xen_libs"
2673       then
2674       xen_ctrl_version=40600
2675       xen=yes
2676
2677     # Xen 4.5
2678     elif
2679         cat > $TMPC <<EOF &&
2680 #include <xenctrl.h>
2681 #include <xenstore.h>
2682 #include <stdint.h>
2683 #include <xen/hvm/hvm_info_table.h>
2684 #if !defined(HVM_MAX_VCPUS)
2685 # error HVM_MAX_VCPUS not defined
2686 #endif
2687 int main(void) {
2688   xc_interface *xc;
2689   xs_daemon_open();
2690   xc = xc_interface_open(0, 0, 0);
2691   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2692   xc_gnttab_open(NULL, 0);
2693   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2694   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2695   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2696   return 0;
2697 }
2698 EOF
2699         compile_prog "" "$xen_libs"
2700       then
2701       xen_ctrl_version=40500
2702       xen=yes
2703
2704     elif
2705         cat > $TMPC <<EOF &&
2706 #include <xenctrl.h>
2707 #include <xenstore.h>
2708 #include <stdint.h>
2709 #include <xen/hvm/hvm_info_table.h>
2710 #if !defined(HVM_MAX_VCPUS)
2711 # error HVM_MAX_VCPUS not defined
2712 #endif
2713 int main(void) {
2714   xc_interface *xc;
2715   xs_daemon_open();
2716   xc = xc_interface_open(0, 0, 0);
2717   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2718   xc_gnttab_open(NULL, 0);
2719   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2720   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2721   return 0;
2722 }
2723 EOF
2724         compile_prog "" "$xen_libs"
2725       then
2726       xen_ctrl_version=40200
2727       xen=yes
2728
2729     else
2730       if test "$xen" = "yes" ; then
2731         feature_not_found "xen (unsupported version)" \
2732                           "Install a supported xen (xen 4.2 or newer)"
2733       fi
2734       xen=no
2735     fi
2736
2737     if test "$xen" = yes; then
2738       if test $xen_ctrl_version -ge 40701  ; then
2739         libs_softmmu="$xen_stable_libs $libs_softmmu"
2740       fi
2741       libs_softmmu="$xen_libs $libs_softmmu"
2742     fi
2743   fi
2744 fi
2745
2746 if test "$xen_pci_passthrough" != "no"; then
2747   if test "$xen" = "yes" && test "$linux" = "yes"; then
2748     xen_pci_passthrough=yes
2749   else
2750     if test "$xen_pci_passthrough" = "yes"; then
2751       error_exit "User requested feature Xen PCI Passthrough" \
2752           " but this feature requires /sys from Linux"
2753     fi
2754     xen_pci_passthrough=no
2755   fi
2756 fi
2757
2758 ##########################################
2759 # Windows Hypervisor Platform accelerator (WHPX) check
2760 if test "$whpx" != "no" ; then
2761     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2762         whpx="yes"
2763     else
2764         if test "$whpx" = "yes"; then
2765             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2766         fi
2767         whpx="no"
2768     fi
2769 fi
2770
2771 ##########################################
2772 # Sparse probe
2773 if test "$sparse" != "no" ; then
2774   if has cgcc; then
2775     sparse=yes
2776   else
2777     if test "$sparse" = "yes" ; then
2778       feature_not_found "sparse" "Install sparse binary"
2779     fi
2780     sparse=no
2781   fi
2782 fi
2783
2784 ##########################################
2785 # X11 probe
2786 if $pkg_config --exists "x11"; then
2787     have_x11=yes
2788     x11_cflags=$($pkg_config --cflags x11)
2789     x11_libs=$($pkg_config --libs x11)
2790 fi
2791
2792 ##########################################
2793 # GTK probe
2794
2795 if test "$gtk" != "no"; then
2796     gtkpackage="gtk+-3.0"
2797     gtkx11package="gtk+-x11-3.0"
2798     gtkversion="3.14.0"
2799     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2800         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2801         gtk_libs=$($pkg_config --libs $gtkpackage)
2802         gtk_version=$($pkg_config --modversion $gtkpackage)
2803         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2804             need_x11=yes
2805             gtk_cflags="$gtk_cflags $x11_cflags"
2806             gtk_libs="$gtk_libs $x11_libs"
2807         fi
2808         gtk="yes"
2809     elif test "$gtk" = "yes"; then
2810         feature_not_found "gtk" "Install gtk3-devel"
2811     else
2812         gtk="no"
2813     fi
2814 fi
2815
2816
2817 ##########################################
2818 # GNUTLS probe
2819
2820 if test "$gnutls" != "no"; then
2821     pass="no"
2822     if $pkg_config --exists "gnutls >= 3.1.18"; then
2823         gnutls_cflags=$($pkg_config --cflags gnutls)
2824         gnutls_libs=$($pkg_config --libs gnutls)
2825         # Packaging for the static libraries is not always correct.
2826         # At least ubuntu 18.04 ships only shared libraries.
2827         write_c_skeleton
2828         if compile_prog "" "$gnutls_libs" ; then
2829             LIBS="$gnutls_libs $LIBS"
2830             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2831             pass="yes"
2832         fi
2833     fi
2834     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2835         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2836     else
2837         gnutls="$pass"
2838     fi
2839 fi
2840
2841
2842 # If user didn't give a --disable/enable-gcrypt flag,
2843 # then mark as disabled if user requested nettle
2844 # explicitly
2845 if test -z "$gcrypt"
2846 then
2847     if test "$nettle" = "yes"
2848     then
2849         gcrypt="no"
2850     fi
2851 fi
2852
2853 # If user didn't give a --disable/enable-nettle flag,
2854 # then mark as disabled if user requested gcrypt
2855 # explicitly
2856 if test -z "$nettle"
2857 then
2858     if test "$gcrypt" = "yes"
2859     then
2860         nettle="no"
2861     fi
2862 fi
2863
2864 has_libgcrypt() {
2865     if ! has "libgcrypt-config"
2866     then
2867         return 1
2868     fi
2869
2870     if test -n "$cross_prefix"
2871     then
2872         host=$(libgcrypt-config --host)
2873         if test "$host-" != $cross_prefix
2874         then
2875             return 1
2876         fi
2877     fi
2878
2879     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2880     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2881
2882     if test $maj != 1 || test $min -lt 5
2883     then
2884        return 1
2885     fi
2886
2887     return 0
2888 }
2889
2890
2891 if test "$nettle" != "no"; then
2892     pass="no"
2893     if $pkg_config --exists "nettle >= 2.7.1"; then
2894         nettle_cflags=$($pkg_config --cflags nettle)
2895         nettle_libs=$($pkg_config --libs nettle)
2896         nettle_version=$($pkg_config --modversion nettle)
2897         # Link test to make sure the given libraries work (e.g for static).
2898         write_c_skeleton
2899         if compile_prog "" "$nettle_libs" ; then
2900             LIBS="$nettle_libs $LIBS"
2901             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2902             if test -z "$gcrypt"; then
2903                gcrypt="no"
2904             fi
2905             pass="yes"
2906         fi
2907     fi
2908     if test "$pass" = "yes"
2909     then
2910         cat > $TMPC << EOF
2911 #include <nettle/xts.h>
2912 int main(void) {
2913   return 0;
2914 }
2915 EOF
2916         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2917             nettle_xts=yes
2918             qemu_private_xts=no
2919         fi
2920     fi
2921     if test "$pass" = "no" && test "$nettle" = "yes"; then
2922         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2923     else
2924         nettle="$pass"
2925     fi
2926 fi
2927
2928 if test "$gcrypt" != "no"; then
2929     pass="no"
2930     if has_libgcrypt; then
2931         gcrypt_cflags=$(libgcrypt-config --cflags)
2932         gcrypt_libs=$(libgcrypt-config --libs)
2933         # Debian has removed -lgpg-error from libgcrypt-config
2934         # as it "spreads unnecessary dependencies" which in
2935         # turn breaks static builds...
2936         if test "$static" = "yes"
2937         then
2938             gcrypt_libs="$gcrypt_libs -lgpg-error"
2939         fi
2940
2941         # Link test to make sure the given libraries work (e.g for static).
2942         write_c_skeleton
2943         if compile_prog "" "$gcrypt_libs" ; then
2944             LIBS="$gcrypt_libs $LIBS"
2945             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2946             pass="yes"
2947         fi
2948     fi
2949     if test "$pass" = "yes"; then
2950         gcrypt="yes"
2951         cat > $TMPC << EOF
2952 #include <gcrypt.h>
2953 int main(void) {
2954   gcry_mac_hd_t handle;
2955   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2956                 GCRY_MAC_FLAG_SECURE, NULL);
2957   return 0;
2958 }
2959 EOF
2960         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2961             gcrypt_hmac=yes
2962         fi
2963         cat > $TMPC << EOF
2964 #include <gcrypt.h>
2965 int main(void) {
2966   gcry_cipher_hd_t handle;
2967   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2968   return 0;
2969 }
2970 EOF
2971         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2972             gcrypt_xts=yes
2973             qemu_private_xts=no
2974         fi
2975     elif test "$gcrypt" = "yes"; then
2976         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2977     else
2978         gcrypt="no"
2979     fi
2980 fi
2981
2982
2983 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2984 then
2985     error_exit "Only one of gcrypt & nettle can be enabled"
2986 fi
2987
2988 ##########################################
2989 # libtasn1 - only for the TLS creds/session test suite
2990
2991 tasn1=yes
2992 tasn1_cflags=""
2993 tasn1_libs=""
2994 if $pkg_config --exists "libtasn1"; then
2995     tasn1_cflags=$($pkg_config --cflags libtasn1)
2996     tasn1_libs=$($pkg_config --libs libtasn1)
2997 else
2998     tasn1=no
2999 fi
3000
3001
3002 ##########################################
3003 # PAM probe
3004
3005 if test "$auth_pam" != "no"; then
3006     cat > $TMPC <<EOF
3007 #include <security/pam_appl.h>
3008 #include <stdio.h>
3009 int main(void) {
3010    const char *service_name = "qemu";
3011    const char *user = "frank";
3012    const struct pam_conv pam_conv = { 0 };
3013    pam_handle_t *pamh = NULL;
3014    pam_start(service_name, user, &pam_conv, &pamh);
3015    return 0;
3016 }
3017 EOF
3018     if compile_prog "" "-lpam" ; then
3019         auth_pam=yes
3020     else
3021         if test "$auth_pam" = "yes"; then
3022             feature_not_found "PAM" "Install PAM development package"
3023         else
3024             auth_pam=no
3025         fi
3026     fi
3027 fi
3028
3029 ##########################################
3030 # getifaddrs (for tests/test-io-channel-socket )
3031
3032 have_ifaddrs_h=yes
3033 if ! check_include "ifaddrs.h" ; then
3034   have_ifaddrs_h=no
3035 fi
3036
3037 ##########################################
3038 # VTE probe
3039
3040 if test "$vte" != "no"; then
3041     vteminversion="0.32.0"
3042     if $pkg_config --exists "vte-2.91"; then
3043       vtepackage="vte-2.91"
3044     else
3045       vtepackage="vte-2.90"
3046     fi
3047     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3048         vte_cflags=$($pkg_config --cflags $vtepackage)
3049         vte_libs=$($pkg_config --libs $vtepackage)
3050         vteversion=$($pkg_config --modversion $vtepackage)
3051         vte="yes"
3052     elif test "$vte" = "yes"; then
3053         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3054     else
3055         vte="no"
3056     fi
3057 fi
3058
3059 ##########################################
3060 # SDL probe
3061
3062 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3063 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3064
3065 sdl_probe ()
3066 {
3067   if $pkg_config sdl2 --exists; then
3068     sdlconfig="$pkg_config sdl2"
3069     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3070   elif has "$sdl2_config"; then
3071     sdlconfig="$sdl2_config"
3072     sdlversion=$($sdlconfig --version)
3073   else
3074     if test "$sdl" = "yes" ; then
3075       feature_not_found "sdl" "Install SDL2-devel"
3076     fi
3077     sdl=no
3078     # no need to do the rest
3079     return
3080   fi
3081   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3082     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3083   fi
3084
3085   cat > $TMPC << EOF
3086 #include <SDL.h>
3087 #undef main /* We don't want SDL to override our main() */
3088 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3089 EOF
3090   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3091   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3092   if test "$static" = "yes" ; then
3093     if $pkg_config sdl2 --exists; then
3094       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3095     else
3096       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3097     fi
3098   else
3099     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3100   fi
3101   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3102     sdl=yes
3103
3104     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3105     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3106       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3107          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3108          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3109       fi
3110       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3111         :
3112       else
3113         sdl=no
3114       fi
3115     fi # static link
3116   else # sdl not found
3117     if test "$sdl" = "yes" ; then
3118       feature_not_found "sdl" "Install SDL2 devel"
3119     fi
3120     sdl=no
3121   fi # sdl compile test
3122 }
3123
3124 sdl_image_probe ()
3125 {
3126     if test "$sdl_image" != "no" ; then
3127         if $pkg_config SDL2_image --exists; then
3128             if test "$static" = "yes"; then
3129                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3130             else
3131                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3132             fi
3133             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3134             sdl_image=yes
3135
3136             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3137             sdl_libs="$sdl_libs $sdl_image_libs"
3138         else
3139             if test "$sdl_image" = "yes" ; then
3140                 feature_not_found "sdl_image" "Install SDL Image devel"
3141             else
3142                 sdl_image=no
3143             fi
3144         fi
3145     fi
3146 }
3147
3148 if test "$sdl" != "no" ; then
3149   sdl_probe
3150 fi
3151
3152 if test "$sdl" = "yes" ; then
3153   sdl_image_probe
3154 else
3155   if test "$sdl_image" = "yes"; then
3156     echo "warning: SDL Image requested, but SDL is not available, disabling"
3157   fi
3158   sdl_image=no
3159 fi
3160
3161 if test "$sdl" = "yes" ; then
3162   cat > $TMPC <<EOF
3163 #include <SDL.h>
3164 #if defined(SDL_VIDEO_DRIVER_X11)
3165 #include <X11/XKBlib.h>
3166 #else
3167 #error No x11 support
3168 #endif
3169 int main(void) { return 0; }
3170 EOF
3171   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3172     need_x11=yes
3173     sdl_cflags="$sdl_cflags $x11_cflags"
3174     sdl_libs="$sdl_libs $x11_libs"
3175   fi
3176 fi
3177
3178 ##########################################
3179 # RDMA needs OpenFabrics libraries
3180 if test "$rdma" != "no" ; then
3181   cat > $TMPC <<EOF
3182 #include <rdma/rdma_cma.h>
3183 int main(void) { return 0; }
3184 EOF
3185   rdma_libs="-lrdmacm -libverbs -libumad"
3186   if compile_prog "" "$rdma_libs" ; then
3187     rdma="yes"
3188     libs_softmmu="$libs_softmmu $rdma_libs"
3189   else
3190     if test "$rdma" = "yes" ; then
3191         error_exit \
3192             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3193             " Your options:" \
3194             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3195             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3196             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3197     fi
3198     rdma="no"
3199   fi
3200 fi
3201
3202 ##########################################
3203 # PVRDMA detection
3204
3205 cat > $TMPC <<EOF &&
3206 #include <sys/mman.h>
3207
3208 int
3209 main(void)
3210 {
3211     char buf = 0;
3212     void *addr = &buf;
3213     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3214
3215     return 0;
3216 }
3217 EOF
3218
3219 if test "$rdma" = "yes" ; then
3220     case "$pvrdma" in
3221     "")
3222         if compile_prog "" ""; then
3223             pvrdma="yes"
3224         else
3225             pvrdma="no"
3226         fi
3227         ;;
3228     "yes")
3229         if ! compile_prog "" ""; then
3230             error_exit "PVRDMA is not supported since mremap is not implemented"
3231         fi
3232         pvrdma="yes"
3233         ;;
3234     "no")
3235         pvrdma="no"
3236         ;;
3237     esac
3238 else
3239     if test "$pvrdma" = "yes" ; then
3240         error_exit "PVRDMA requires rdma suppport"
3241     fi
3242     pvrdma="no"
3243 fi
3244
3245 # Let's see if enhanced reg_mr is supported
3246 if test "$pvrdma" = "yes" ; then
3247
3248 cat > $TMPC <<EOF &&
3249 #include <infiniband/verbs.h>
3250
3251 int
3252 main(void)
3253 {
3254     struct ibv_mr *mr;
3255     struct ibv_pd *pd = NULL;
3256     size_t length = 10;
3257     uint64_t iova = 0;
3258     int access = 0;
3259     void *addr = NULL;
3260
3261     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3262
3263     ibv_dereg_mr(mr);
3264
3265     return 0;
3266 }
3267 EOF
3268     if ! compile_prog "" "-libverbs"; then
3269         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3270     fi
3271 fi
3272
3273 ##########################################
3274 # VNC SASL detection
3275 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3276   cat > $TMPC <<EOF
3277 #include <sasl/sasl.h>
3278 #include <stdio.h>
3279 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3280 EOF
3281   # Assuming Cyrus-SASL installed in /usr prefix
3282   vnc_sasl_cflags=""
3283   vnc_sasl_libs="-lsasl2"
3284   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3285     vnc_sasl=yes
3286     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3287     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3288   else
3289     if test "$vnc_sasl" = "yes" ; then
3290       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3291     fi
3292     vnc_sasl=no
3293   fi
3294 fi
3295
3296 ##########################################
3297 # VNC JPEG detection
3298 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3299 cat > $TMPC <<EOF
3300 #include <stdio.h>
3301 #include <jpeglib.h>
3302 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3303 EOF
3304     vnc_jpeg_cflags=""
3305     vnc_jpeg_libs="-ljpeg"
3306   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3307     vnc_jpeg=yes
3308     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3309     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3310   else
3311     if test "$vnc_jpeg" = "yes" ; then
3312       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3313     fi
3314     vnc_jpeg=no
3315   fi
3316 fi
3317
3318 ##########################################
3319 # VNC PNG detection
3320 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3321 cat > $TMPC <<EOF
3322 //#include <stdio.h>
3323 #include <png.h>
3324 #include <stddef.h>
3325 int main(void) {
3326     png_structp png_ptr;
3327     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3328     return png_ptr != 0;
3329 }
3330 EOF
3331   if $pkg_config libpng --exists; then
3332     vnc_png_cflags=$($pkg_config libpng --cflags)
3333     vnc_png_libs=$($pkg_config libpng --libs)
3334   else
3335     vnc_png_cflags=""
3336     vnc_png_libs="-lpng"
3337   fi
3338   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3339     vnc_png=yes
3340     libs_softmmu="$vnc_png_libs $libs_softmmu"
3341     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3342   else
3343     if test "$vnc_png" = "yes" ; then
3344       feature_not_found "vnc-png" "Install libpng devel"
3345     fi
3346     vnc_png=no
3347   fi
3348 fi
3349
3350 ##########################################
3351 # xkbcommon probe
3352 if test "$xkbcommon" != "no" ; then
3353   if $pkg_config xkbcommon --exists; then
3354     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3355     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3356     xkbcommon=yes
3357   else
3358     if test "$xkbcommon" = "yes" ; then
3359       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3360     fi
3361     xkbcommon=no
3362   fi
3363 fi
3364
3365
3366 ##########################################
3367 # xfsctl() probe, used for file-posix.c
3368 if test "$xfs" != "no" ; then
3369   cat > $TMPC << EOF
3370 #include <stddef.h>  /* NULL */
3371 #include <xfs/xfs.h>
3372 int main(void)
3373 {
3374     xfsctl(NULL, 0, 0, NULL);
3375     return 0;
3376 }
3377 EOF
3378   if compile_prog "" "" ; then
3379     xfs="yes"
3380   else
3381     if test "$xfs" = "yes" ; then
3382       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3383     fi
3384     xfs=no
3385   fi
3386 fi
3387
3388 ##########################################
3389 # vde libraries probe
3390 if test "$vde" != "no" ; then
3391   vde_libs="-lvdeplug"
3392   cat > $TMPC << EOF
3393 #include <libvdeplug.h>
3394 int main(void)
3395 {
3396     struct vde_open_args a = {0, 0, 0};
3397     char s[] = "";
3398     vde_open(s, s, &a);
3399     return 0;
3400 }
3401 EOF
3402   if compile_prog "" "$vde_libs" ; then
3403     vde=yes
3404   else
3405     if test "$vde" = "yes" ; then
3406       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3407     fi
3408     vde=no
3409   fi
3410 fi
3411
3412 ##########################################
3413 # netmap support probe
3414 # Apart from looking for netmap headers, we make sure that the host API version
3415 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3416 # a minor/major version number. Minor new features will be marked with values up
3417 # to 15, and if something happens that requires a change to the backend we will
3418 # move above 15, submit the backend fixes and modify this two bounds.
3419 if test "$netmap" != "no" ; then
3420   cat > $TMPC << EOF
3421 #include <inttypes.h>
3422 #include <net/if.h>
3423 #include <net/netmap.h>
3424 #include <net/netmap_user.h>
3425 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3426 #error
3427 #endif
3428 int main(void) { return 0; }
3429 EOF
3430   if compile_prog "" "" ; then
3431     netmap=yes
3432   else
3433     if test "$netmap" = "yes" ; then
3434       feature_not_found "netmap"
3435     fi
3436     netmap=no
3437   fi
3438 fi
3439
3440 ##########################################
3441 # libcap-ng library probe
3442 if test "$cap_ng" != "no" ; then
3443   cap_libs="-lcap-ng"
3444   cat > $TMPC << EOF
3445 #include <cap-ng.h>
3446 int main(void)
3447 {
3448     capng_capability_to_name(CAPNG_EFFECTIVE);
3449     return 0;
3450 }
3451 EOF
3452   if compile_prog "" "$cap_libs" ; then
3453     cap_ng=yes
3454     libs_tools="$cap_libs $libs_tools"
3455   else
3456     if test "$cap_ng" = "yes" ; then
3457       feature_not_found "cap_ng" "Install libcap-ng devel"
3458     fi
3459     cap_ng=no
3460   fi
3461 fi
3462
3463 ##########################################
3464 # Sound support libraries probe
3465
3466 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3467 for drv in $audio_drv_list; do
3468     case $drv in
3469     alsa | try-alsa)
3470     if $pkg_config alsa --exists; then
3471         alsa_libs=$($pkg_config alsa --libs)
3472         if test "$drv" = "try-alsa"; then
3473             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3474         fi
3475     else
3476         if test "$drv" = "try-alsa"; then
3477             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3478         else
3479             error_exit "$drv check failed" \
3480                 "Make sure to have the $drv libs and headers installed."
3481         fi
3482     fi
3483     ;;
3484
3485     pa | try-pa)
3486     if $pkg_config libpulse --exists; then
3487         pulse_libs=$($pkg_config libpulse --libs)
3488         if test "$drv" = "try-pa"; then
3489             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3490         fi
3491     else
3492         if test "$drv" = "try-pa"; then
3493             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3494         else
3495             error_exit "$drv check failed" \
3496                 "Make sure to have the $drv libs and headers installed."
3497         fi
3498     fi
3499     ;;
3500
3501     sdl)
3502     if test "$sdl" = "no"; then
3503         error_exit "sdl not found or disabled, can not use sdl audio driver"
3504     fi
3505     ;;
3506
3507     try-sdl)
3508     if test "$sdl" = "no"; then
3509         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3510     else
3511         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3512     fi
3513     ;;
3514
3515     coreaudio)
3516       coreaudio_libs="-framework CoreAudio"
3517     ;;
3518
3519     dsound)
3520       dsound_libs="-lole32 -ldxguid"
3521       audio_win_int="yes"
3522     ;;
3523
3524     oss)
3525       oss_libs="$oss_lib"
3526     ;;
3527
3528     *)
3529     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3530         error_exit "Unknown driver '$drv' selected" \
3531             "Possible drivers are: $audio_possible_drivers"
3532     }
3533     ;;
3534     esac
3535 done
3536
3537 ##########################################
3538 # BrlAPI probe
3539
3540 if test "$brlapi" != "no" ; then
3541   brlapi_libs="-lbrlapi"
3542   cat > $TMPC << EOF
3543 #include <brlapi.h>
3544 #include <stddef.h>
3545 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3546 EOF
3547   if compile_prog "" "$brlapi_libs" ; then
3548     brlapi=yes
3549   else
3550     if test "$brlapi" = "yes" ; then
3551       feature_not_found "brlapi" "Install brlapi devel"
3552     fi
3553     brlapi=no
3554   fi
3555 fi
3556
3557 ##########################################
3558 # iconv probe
3559 if test "$iconv" != "no" ; then
3560   cat > $TMPC << EOF
3561 #include <iconv.h>
3562 int main(void) {
3563   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3564   return conv != (iconv_t) -1;
3565 }
3566 EOF
3567   iconv_prefix_list="/usr/local:/usr"
3568   iconv_lib_list=":-liconv"
3569   IFS=:
3570   for iconv_prefix in $iconv_prefix_list; do
3571     IFS=:
3572     iconv_cflags="-I$iconv_prefix/include"
3573     iconv_ldflags="-L$iconv_prefix/lib"
3574     for iconv_link in $iconv_lib_list; do
3575       unset IFS
3576       iconv_lib="$iconv_ldflags $iconv_link"
3577       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3578       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3579         iconv_found=yes
3580         break
3581       fi
3582     done
3583     if test "$iconv_found" = yes ; then
3584       break
3585     fi
3586   done
3587   if test "$iconv_found" = "yes" ; then
3588     iconv=yes
3589   else
3590     if test "$iconv" = "yes" ; then
3591       feature_not_found "iconv" "Install iconv devel"
3592     fi
3593     iconv=no
3594   fi
3595 fi
3596
3597 ##########################################
3598 # curses probe
3599 if test "$iconv" = "no" ; then
3600   # curses will need iconv
3601   curses=no
3602 fi
3603 if test "$curses" != "no" ; then
3604   if test "$mingw32" = "yes" ; then
3605     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3606     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3607   else
3608     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3609     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3610   fi
3611   curses_found=no
3612   cat > $TMPC << EOF
3613 #include <locale.h>
3614 #include <curses.h>
3615 #include <wchar.h>
3616 #include <langinfo.h>
3617 int main(void) {
3618   const char *codeset;
3619   wchar_t wch = L'w';
3620   setlocale(LC_ALL, "");
3621   resize_term(0, 0);
3622   addwstr(L"wide chars\n");
3623   addnwstr(&wch, 1);
3624   add_wch(WACS_DEGREE);
3625   codeset = nl_langinfo(CODESET);
3626   return codeset != 0;
3627 }
3628 EOF
3629   IFS=:
3630   for curses_inc in $curses_inc_list; do
3631     # Make sure we get the wide character prototypes
3632     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3633     IFS=:
3634     for curses_lib in $curses_lib_list; do
3635       unset IFS
3636       if compile_prog "$curses_inc" "$curses_lib" ; then
3637         curses_found=yes
3638         break
3639       fi
3640     done
3641     if test "$curses_found" = yes ; then
3642       break
3643     fi
3644   done
3645   unset IFS
3646   if test "$curses_found" = "yes" ; then
3647     curses=yes
3648   else
3649     if test "$curses" = "yes" ; then
3650       feature_not_found "curses" "Install ncurses devel"
3651     fi
3652     curses=no
3653   fi
3654 fi
3655
3656 ##########################################
3657 # curl probe
3658 if test "$curl" != "no" ; then
3659   if $pkg_config libcurl --exists; then
3660     curlconfig="$pkg_config libcurl"
3661   else
3662     curlconfig=curl-config
3663   fi
3664   cat > $TMPC << EOF
3665 #include <curl/curl.h>
3666 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3667 EOF
3668   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3669   curl_libs=$($curlconfig --libs 2>/dev/null)
3670   if compile_prog "$curl_cflags" "$curl_libs" ; then
3671     curl=yes
3672   else
3673     if test "$curl" = "yes" ; then
3674       feature_not_found "curl" "Install libcurl devel"
3675     fi
3676     curl=no
3677   fi
3678 fi # test "$curl"
3679
3680 ##########################################
3681 # glib support probe
3682
3683 glib_req_ver=2.48
3684 glib_modules=gthread-2.0
3685 if test "$modules" = yes; then
3686     glib_modules="$glib_modules gmodule-export-2.0"
3687 fi
3688 if test "$plugins" = yes; then
3689     glib_modules="$glib_modules gmodule-2.0"
3690 fi
3691
3692 # This workaround is required due to a bug in pkg-config file for glib as it
3693 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3694
3695 if test "$static" = yes && test "$mingw32" = yes; then
3696     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3697 fi
3698
3699 for i in $glib_modules; do
3700     if $pkg_config --atleast-version=$glib_req_ver $i; then
3701         glib_cflags=$($pkg_config --cflags $i)
3702         glib_libs=$($pkg_config --libs $i)
3703         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3704         LIBS="$glib_libs $LIBS"
3705         libs_qga="$glib_libs $libs_qga"
3706     else
3707         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3708     fi
3709 done
3710
3711 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3712     gio=yes
3713     gio_cflags=$($pkg_config --cflags gio-2.0)
3714     gio_libs=$($pkg_config --libs gio-2.0)
3715     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3716     if [ ! -x "$gdbus_codegen" ]; then
3717         gdbus_codegen=
3718     fi
3719 else
3720     gio=no
3721 fi
3722
3723 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3724     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3725     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3726 fi
3727
3728 # Sanity check that the current size_t matches the
3729 # size that glib thinks it should be. This catches
3730 # problems on multi-arch where people try to build
3731 # 32-bit QEMU while pointing at 64-bit glib headers
3732 cat > $TMPC <<EOF
3733 #include <glib.h>
3734 #include <unistd.h>
3735
3736 #define QEMU_BUILD_BUG_ON(x) \
3737   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3738
3739 int main(void) {
3740    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3741    return 0;
3742 }
3743 EOF
3744
3745 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3746     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3747                "You probably need to set PKG_CONFIG_LIBDIR"\
3748                "to point to the right pkg-config files for your"\
3749                "build target"
3750 fi
3751
3752 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3753 cat > $TMPC << EOF
3754 #include <glib.h>
3755 int main(void) { return 0; }
3756 EOF
3757 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3758     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3759         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3760         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3761     fi
3762 fi
3763
3764 #########################################
3765 # zlib check
3766
3767 if test "$zlib" != "no" ; then
3768     if $pkg_config --exists zlib; then
3769         zlib_cflags=$($pkg_config --cflags zlib)
3770         zlib_libs=$($pkg_config --libs zlib)
3771         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3772         LIBS="$zlib_libs $LIBS"
3773     else
3774         cat > $TMPC << EOF
3775 #include <zlib.h>
3776 int main(void) { zlibVersion(); return 0; }
3777 EOF
3778         if compile_prog "" "-lz" ; then
3779             LIBS="$LIBS -lz"
3780         else
3781             error_exit "zlib check failed" \
3782                 "Make sure to have the zlib libs and headers installed."
3783         fi
3784     fi
3785 fi
3786
3787 ##########################################
3788 # SHA command probe for modules
3789 if test "$modules" = yes; then
3790     shacmd_probe="sha1sum sha1 shasum"
3791     for c in $shacmd_probe; do
3792         if has $c; then
3793             shacmd="$c"
3794             break
3795         fi
3796     done
3797     if test "$shacmd" = ""; then
3798         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3799     fi
3800 fi
3801
3802 ##########################################
3803 # pixman support probe
3804
3805 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3806   pixman_cflags=
3807   pixman_libs=
3808 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3809   pixman_cflags=$($pkg_config --cflags pixman-1)
3810   pixman_libs=$($pkg_config --libs pixman-1)
3811 else
3812   error_exit "pixman >= 0.21.8 not present." \
3813       "Please install the pixman devel package."
3814 fi
3815
3816 ##########################################
3817 # libmpathpersist probe
3818
3819 if test "$mpath" != "no" ; then
3820   # probe for the new API
3821   cat > $TMPC <<EOF
3822 #include <libudev.h>
3823 #include <mpath_persist.h>
3824 unsigned mpath_mx_alloc_len = 1024;
3825 int logsink;
3826 static struct config *multipath_conf;
3827 extern struct udev *udev;
3828 extern struct config *get_multipath_config(void);
3829 extern void put_multipath_config(struct config *conf);
3830 struct udev *udev;
3831 struct config *get_multipath_config(void) { return multipath_conf; }
3832 void put_multipath_config(struct config *conf) { }
3833
3834 int main(void) {
3835     udev = udev_new();
3836     multipath_conf = mpath_lib_init();
3837     return 0;
3838 }
3839 EOF
3840   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3841     mpathpersist=yes
3842     mpathpersist_new_api=yes
3843   else
3844     # probe for the old API
3845     cat > $TMPC <<EOF
3846 #include <libudev.h>
3847 #include <mpath_persist.h>
3848 unsigned mpath_mx_alloc_len = 1024;
3849 int logsink;
3850 int main(void) {
3851     struct udev *udev = udev_new();
3852     mpath_lib_init(udev);
3853     return 0;
3854 }
3855 EOF
3856     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3857       mpathpersist=yes
3858       mpathpersist_new_api=no
3859     else
3860       mpathpersist=no
3861     fi
3862   fi
3863 else
3864   mpathpersist=no
3865 fi
3866
3867 ##########################################
3868 # pthread probe
3869 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3870
3871 pthread=no
3872 cat > $TMPC << EOF
3873 #include <pthread.h>
3874 static void *f(void *p) { return NULL; }
3875 int main(void) {
3876   pthread_t thread;
3877   pthread_create(&thread, 0, f, 0);
3878   return 0;
3879 }
3880 EOF
3881 if compile_prog "" "" ; then
3882   pthread=yes
3883 else
3884   for pthread_lib in $PTHREADLIBS_LIST; do
3885     if compile_prog "" "$pthread_lib" ; then
3886       pthread=yes
3887       found=no
3888       for lib_entry in $LIBS; do
3889         if test "$lib_entry" = "$pthread_lib"; then
3890           found=yes
3891           break
3892         fi
3893       done
3894       if test "$found" = "no"; then
3895         LIBS="$pthread_lib $LIBS"
3896         libs_qga="$pthread_lib $libs_qga"
3897       fi
3898       PTHREAD_LIB="$pthread_lib"
3899       break
3900     fi
3901   done
3902 fi
3903
3904 if test "$mingw32" != yes && test "$pthread" = no; then
3905   error_exit "pthread check failed" \
3906       "Make sure to have the pthread libs and headers installed."
3907 fi
3908
3909 # check for pthread_setname_np with thread id
3910 pthread_setname_np_w_tid=no
3911 cat > $TMPC << EOF
3912 #include <pthread.h>
3913
3914 static void *f(void *p) { return NULL; }
3915 int main(void)
3916 {
3917     pthread_t thread;
3918     pthread_create(&thread, 0, f, 0);
3919     pthread_setname_np(thread, "QEMU");
3920     return 0;
3921 }
3922 EOF
3923 if compile_prog "" "$pthread_lib" ; then
3924   pthread_setname_np_w_tid=yes
3925 fi
3926
3927 # check for pthread_setname_np without thread id
3928 pthread_setname_np_wo_tid=no
3929 cat > $TMPC << EOF
3930 #include <pthread.h>
3931
3932 static void *f(void *p) { pthread_setname_np("QEMU"); }
3933 int main(void)
3934 {
3935     pthread_t thread;
3936     pthread_create(&thread, 0, f, 0);
3937     return 0;
3938 }
3939 EOF
3940 if compile_prog "" "$pthread_lib" ; then
3941   pthread_setname_np_wo_tid=yes
3942 fi
3943
3944 ##########################################
3945 # rbd probe
3946 if test "$rbd" != "no" ; then
3947   cat > $TMPC <<EOF
3948 #include <stdio.h>
3949 #include <rbd/librbd.h>
3950 int main(void) {
3951     rados_t cluster;
3952     rados_create(&cluster, NULL);
3953     return 0;
3954 }
3955 EOF
3956   rbd_libs="-lrbd -lrados"
3957   if compile_prog "" "$rbd_libs" ; then
3958     rbd=yes
3959   else
3960     if test "$rbd" = "yes" ; then
3961       feature_not_found "rados block device" "Install librbd/ceph devel"
3962     fi
3963     rbd=no
3964   fi
3965 fi
3966
3967 ##########################################
3968 # libssh probe
3969 if test "$libssh" != "no" ; then
3970   if $pkg_config --exists libssh; then
3971     libssh_cflags=$($pkg_config libssh --cflags)
3972     libssh_libs=$($pkg_config libssh --libs)
3973     libssh=yes
3974   else
3975     if test "$libssh" = "yes" ; then
3976       error_exit "libssh required for --enable-libssh"
3977     fi
3978     libssh=no
3979   fi
3980 fi
3981
3982 ##########################################
3983 # Check for libssh 0.8
3984 # This is done like this instead of using the LIBSSH_VERSION_* and
3985 # SSH_VERSION_* macros because some distributions in the past shipped
3986 # snapshots of the future 0.8 from Git, and those snapshots did not
3987 # have updated version numbers (still referring to 0.7.0).
3988
3989 if test "$libssh" = "yes"; then
3990   cat > $TMPC <<EOF
3991 #include <libssh/libssh.h>
3992 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3993 EOF
3994   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3995     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3996   fi
3997 fi
3998
3999 ##########################################
4000 # linux-aio probe
4001
4002 if test "$linux_aio" != "no" ; then
4003   cat > $TMPC <<EOF
4004 #include <libaio.h>
4005 #include <sys/eventfd.h>
4006 #include <stddef.h>
4007 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4008 EOF
4009   if compile_prog "" "-laio" ; then
4010     linux_aio=yes
4011   else
4012     if test "$linux_aio" = "yes" ; then
4013       feature_not_found "linux AIO" "Install libaio devel"
4014     fi
4015     linux_aio=no
4016   fi
4017 fi
4018 ##########################################
4019 # linux-io-uring probe
4020
4021 if test "$linux_io_uring" != "no" ; then
4022   if $pkg_config liburing; then
4023     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4024     linux_io_uring_libs=$($pkg_config --libs liburing)
4025     linux_io_uring=yes
4026   else
4027     if test "$linux_io_uring" = "yes" ; then
4028       feature_not_found "linux io_uring" "Install liburing devel"
4029     fi
4030     linux_io_uring=no
4031   fi
4032 fi
4033
4034 ##########################################
4035 # TPM emulation is only on POSIX
4036
4037 if test "$tpm" = ""; then
4038   if test "$mingw32" = "yes"; then
4039     tpm=no
4040   else
4041     tpm=yes
4042   fi
4043 elif test "$tpm" = "yes"; then
4044   if test "$mingw32" = "yes" ; then
4045     error_exit "TPM emulation only available on POSIX systems"
4046   fi
4047 fi
4048
4049 ##########################################
4050 # attr probe
4051
4052 if test "$attr" != "no" ; then
4053   cat > $TMPC <<EOF
4054 #include <stdio.h>
4055 #include <sys/types.h>
4056 #ifdef CONFIG_LIBATTR
4057 #include <attr/xattr.h>
4058 #else
4059 #include <sys/xattr.h>
4060 #endif
4061 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4062 EOF
4063   if compile_prog "" "" ; then
4064     attr=yes
4065   # Older distros have <attr/xattr.h>, and need -lattr:
4066   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4067     attr=yes
4068     LIBS="-lattr $LIBS"
4069     libattr=yes
4070   else
4071     if test "$attr" = "yes" ; then
4072       feature_not_found "ATTR" "Install libc6 or libattr devel"
4073     fi
4074     attr=no
4075   fi
4076 fi
4077
4078 ##########################################
4079 # iovec probe
4080 cat > $TMPC <<EOF
4081 #include <sys/types.h>
4082 #include <sys/uio.h>
4083 #include <unistd.h>
4084 int main(void) { return sizeof(struct iovec); }
4085 EOF
4086 iovec=no
4087 if compile_prog "" "" ; then
4088   iovec=yes
4089 fi
4090
4091 ##########################################
4092 # preadv probe
4093 cat > $TMPC <<EOF
4094 #include <sys/types.h>
4095 #include <sys/uio.h>
4096 #include <unistd.h>
4097 int main(void) { return preadv(0, 0, 0, 0); }
4098 EOF
4099 preadv=no
4100 if compile_prog "" "" ; then
4101   preadv=yes
4102 fi
4103
4104 ##########################################
4105 # fdt probe
4106 # fdt support is mandatory for at least some target architectures,
4107 # so insist on it if we're building those system emulators.
4108 fdt_required=no
4109 for target in $target_list; do
4110   case $target in
4111     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4112       fdt_required=yes
4113     ;;
4114   esac
4115 done
4116
4117 if test "$fdt_required" = "yes"; then
4118   if test "$fdt" = "no"; then
4119     error_exit "fdt disabled but some requested targets require it." \
4120       "You can turn off fdt only if you also disable all the system emulation" \
4121       "targets which need it (by specifying a cut down --target-list)."
4122   fi
4123   fdt=yes
4124 elif test "$fdt" != "yes" ; then
4125   fdt=no
4126 fi
4127
4128 if test "$fdt" != "no" ; then
4129   fdt_libs="-lfdt"
4130   # explicitly check for libfdt_env.h as it is missing in some stable installs
4131   # and test for required functions to make sure we are on a version >= 1.4.2
4132   cat > $TMPC << EOF
4133 #include <libfdt.h>
4134 #include <libfdt_env.h>
4135 int main(void) { fdt_check_full(NULL, 0); return 0; }
4136 EOF
4137   if compile_prog "" "$fdt_libs" ; then
4138     # system DTC is good - use it
4139     fdt=system
4140   else
4141       # have GIT checkout, so activate dtc submodule
4142       if test -e "${source_path}/.git" ; then
4143           git_submodules="${git_submodules} dtc"
4144       fi
4145       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4146           fdt=git
4147           mkdir -p dtc
4148           if [ "$pwd_is_source_path" != "y" ] ; then
4149               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4150               symlink "$source_path/dtc/scripts" "dtc/scripts"
4151           fi
4152           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4153           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4154           fdt_libs="$fdt_libs"
4155       elif test "$fdt" = "yes" ; then
4156           # Not a git build & no libfdt found, prompt for system install
4157           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4158                      "Please install the DTC (libfdt) devel package"
4159       else
4160           # don't have and don't want
4161           fdt_libs=
4162           fdt=no
4163       fi
4164   fi
4165 fi
4166
4167 libs_softmmu="$libs_softmmu $fdt_libs"
4168
4169 ##########################################
4170 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4171
4172 gbm="no"
4173 if $pkg_config gbm; then
4174     gbm_cflags="$($pkg_config --cflags gbm)"
4175     gbm_libs="$($pkg_config --libs gbm)"
4176     gbm="yes"
4177 fi
4178
4179 if test "$opengl" != "no" ; then
4180   opengl_pkgs="epoxy gbm"
4181   if $pkg_config $opengl_pkgs; then
4182     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4183     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4184     opengl=yes
4185     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4186         gtk_gl="yes"
4187     fi
4188     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4189   else
4190     if test "$opengl" = "yes" ; then
4191       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4192     fi
4193     opengl_cflags=""
4194     opengl_libs=""
4195     opengl=no
4196   fi
4197 fi
4198
4199 if test "$opengl" = "yes"; then
4200   cat > $TMPC << EOF
4201 #include <epoxy/egl.h>
4202 #ifndef EGL_MESA_image_dma_buf_export
4203 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4204 #endif
4205 int main(void) { return 0; }
4206 EOF
4207   if compile_prog "" "" ; then
4208     opengl_dmabuf=yes
4209   fi
4210 fi
4211
4212 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4213   for target in $target_list; do
4214     case $target in
4215       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4216         need_x11=yes
4217       ;;
4218     esac
4219   done
4220 fi
4221
4222 ##########################################
4223 # libxml2 probe
4224 if test "$libxml2" != "no" ; then
4225     if $pkg_config --exists libxml-2.0; then
4226         libxml2="yes"
4227         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4228         libxml2_libs=$($pkg_config --libs libxml-2.0)
4229     else
4230         if test "$libxml2" = "yes"; then
4231             feature_not_found "libxml2" "Install libxml2 devel"
4232         fi
4233         libxml2="no"
4234     fi
4235 fi
4236
4237 ##########################################
4238 # glusterfs probe
4239 if test "$glusterfs" != "no" ; then
4240   if $pkg_config --atleast-version=3 glusterfs-api; then
4241     glusterfs="yes"
4242     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4243     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4244     if $pkg_config --atleast-version=4 glusterfs-api; then
4245       glusterfs_xlator_opt="yes"
4246     fi
4247     if $pkg_config --atleast-version=5 glusterfs-api; then
4248       glusterfs_discard="yes"
4249     fi
4250     if $pkg_config --atleast-version=6 glusterfs-api; then
4251       glusterfs_fallocate="yes"
4252       glusterfs_zerofill="yes"
4253     fi
4254     cat > $TMPC << EOF
4255 #include <glusterfs/api/glfs.h>
4256
4257 int
4258 main(void)
4259 {
4260         /* new glfs_ftruncate() passes two additional args */
4261         return glfs_ftruncate(NULL, 0, NULL, NULL);
4262 }
4263 EOF
4264     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4265       glusterfs_ftruncate_has_stat="yes"
4266     fi
4267     cat > $TMPC << EOF
4268 #include <glusterfs/api/glfs.h>
4269
4270 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4271 static void
4272 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4273 {}
4274
4275 int
4276 main(void)
4277 {
4278         glfs_io_cbk iocb = &glusterfs_iocb;
4279         iocb(NULL, 0 , NULL, NULL, NULL);
4280         return 0;
4281 }
4282 EOF
4283     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4284       glusterfs_iocb_has_stat="yes"
4285     fi
4286   else
4287     if test "$glusterfs" = "yes" ; then
4288       feature_not_found "GlusterFS backend support" \
4289           "Install glusterfs-api devel >= 3"
4290     fi
4291     glusterfs="no"
4292   fi
4293 fi
4294
4295 # Check for inotify functions when we are building linux-user
4296 # emulator.  This is done because older glibc versions don't
4297 # have syscall stubs for these implemented.  In that case we
4298 # don't provide them even if kernel supports them.
4299 #
4300 inotify=no
4301 cat > $TMPC << EOF
4302 #include <sys/inotify.h>
4303
4304 int
4305 main(void)
4306 {
4307         /* try to start inotify */
4308         return inotify_init();
4309 }
4310 EOF
4311 if compile_prog "" "" ; then
4312   inotify=yes
4313 fi
4314
4315 inotify1=no
4316 cat > $TMPC << EOF
4317 #include <sys/inotify.h>
4318
4319 int
4320 main(void)
4321 {
4322     /* try to start inotify */
4323     return inotify_init1(0);
4324 }
4325 EOF
4326 if compile_prog "" "" ; then
4327   inotify1=yes
4328 fi
4329
4330 # check if pipe2 is there
4331 pipe2=no
4332 cat > $TMPC << EOF
4333 #include <unistd.h>
4334 #include <fcntl.h>
4335
4336 int main(void)
4337 {
4338     int pipefd[2];
4339     return pipe2(pipefd, O_CLOEXEC);
4340 }
4341 EOF
4342 if compile_prog "" "" ; then
4343   pipe2=yes
4344 fi
4345
4346 # check if accept4 is there
4347 accept4=no
4348 cat > $TMPC << EOF
4349 #include <sys/socket.h>
4350 #include <stddef.h>
4351
4352 int main(void)
4353 {
4354     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4355     return 0;
4356 }
4357 EOF
4358 if compile_prog "" "" ; then
4359   accept4=yes
4360 fi
4361
4362 # check if tee/splice is there. vmsplice was added same time.
4363 splice=no
4364 cat > $TMPC << EOF
4365 #include <unistd.h>
4366 #include <fcntl.h>
4367 #include <limits.h>
4368
4369 int main(void)
4370 {
4371     int len, fd = 0;
4372     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4373     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4374     return 0;
4375 }
4376 EOF
4377 if compile_prog "" "" ; then
4378   splice=yes
4379 fi
4380
4381 ##########################################
4382 # libnuma probe
4383
4384 if test "$numa" != "no" ; then
4385   cat > $TMPC << EOF
4386 #include <numa.h>
4387 int main(void) { return numa_available(); }
4388 EOF
4389
4390   if compile_prog "" "-lnuma" ; then
4391     numa=yes
4392     libs_softmmu="-lnuma $libs_softmmu"
4393   else
4394     if test "$numa" = "yes" ; then
4395       feature_not_found "numa" "install numactl devel"
4396     fi
4397     numa=no
4398   fi
4399 fi
4400
4401 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4402     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4403     exit 1
4404 fi
4405
4406 # Even if malloc_trim() is available, these non-libc memory allocators
4407 # do not support it.
4408 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4409     if test "$malloc_trim" = "yes" ; then
4410         echo "Disabling malloc_trim with non-libc memory allocator"
4411     fi
4412     malloc_trim="no"
4413 fi
4414
4415 #######################################
4416 # malloc_trim
4417
4418 if test "$malloc_trim" != "no" ; then
4419     cat > $TMPC << EOF
4420 #include <malloc.h>
4421 int main(void) { malloc_trim(0); return 0; }
4422 EOF
4423     if compile_prog "" "" ; then
4424         malloc_trim="yes"
4425     else
4426         malloc_trim="no"
4427     fi
4428 fi
4429
4430 ##########################################
4431 # tcmalloc probe
4432
4433 if test "$tcmalloc" = "yes" ; then
4434   cat > $TMPC << EOF
4435 #include <stdlib.h>
4436 int main(void) { malloc(1); return 0; }
4437 EOF
4438
4439   if compile_prog "" "-ltcmalloc" ; then
4440     LIBS="-ltcmalloc $LIBS"
4441   else
4442     feature_not_found "tcmalloc" "install gperftools devel"
4443   fi
4444 fi
4445
4446 ##########################################
4447 # jemalloc probe
4448
4449 if test "$jemalloc" = "yes" ; then
4450   cat > $TMPC << EOF
4451 #include <stdlib.h>
4452 int main(void) { malloc(1); return 0; }
4453 EOF
4454
4455   if compile_prog "" "-ljemalloc" ; then
4456     LIBS="-ljemalloc $LIBS"
4457   else
4458     feature_not_found "jemalloc" "install jemalloc devel"
4459   fi
4460 fi
4461
4462 ##########################################
4463 # signalfd probe
4464 signalfd="no"
4465 cat > $TMPC << EOF
4466 #include <unistd.h>
4467 #include <sys/syscall.h>
4468 #include <signal.h>
4469 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4470 EOF
4471
4472 if compile_prog "" "" ; then
4473   signalfd=yes
4474 fi
4475
4476 # check if optreset global is declared by <getopt.h>
4477 optreset="no"
4478 cat > $TMPC << EOF
4479 #include <getopt.h>
4480 int main(void) { return optreset; }
4481 EOF
4482
4483 if compile_prog "" "" ; then
4484   optreset=yes
4485 fi
4486
4487 # check if eventfd is supported
4488 eventfd=no
4489 cat > $TMPC << EOF
4490 #include <sys/eventfd.h>
4491
4492 int main(void)
4493 {
4494     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4495 }
4496 EOF
4497 if compile_prog "" "" ; then
4498   eventfd=yes
4499 fi
4500
4501 # check if memfd is supported
4502 memfd=no
4503 cat > $TMPC << EOF
4504 #include <sys/mman.h>
4505
4506 int main(void)
4507 {
4508     return memfd_create("foo", MFD_ALLOW_SEALING);
4509 }
4510 EOF
4511 if compile_prog "" "" ; then
4512   memfd=yes
4513 fi
4514
4515 # check for usbfs
4516 have_usbfs=no
4517 if test "$linux_user" = "yes"; then
4518   cat > $TMPC << EOF
4519 #include <linux/usbdevice_fs.h>
4520
4521 #ifndef USBDEVFS_GET_CAPABILITIES
4522 #error "USBDEVFS_GET_CAPABILITIES undefined"
4523 #endif
4524
4525 #ifndef USBDEVFS_DISCONNECT_CLAIM
4526 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4527 #endif
4528
4529 int main(void)
4530 {
4531     return 0;
4532 }
4533 EOF
4534   if compile_prog "" ""; then
4535     have_usbfs=yes
4536   fi
4537 fi
4538
4539 # check for fallocate
4540 fallocate=no
4541 cat > $TMPC << EOF
4542 #include <fcntl.h>
4543
4544 int main(void)
4545 {
4546     fallocate(0, 0, 0, 0);
4547     return 0;
4548 }
4549 EOF
4550 if compile_prog "" "" ; then
4551   fallocate=yes
4552 fi
4553
4554 # check for fallocate hole punching
4555 fallocate_punch_hole=no
4556 cat > $TMPC << EOF
4557 #include <fcntl.h>
4558 #include <linux/falloc.h>
4559
4560 int main(void)
4561 {
4562     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4563     return 0;
4564 }
4565 EOF
4566 if compile_prog "" "" ; then
4567   fallocate_punch_hole=yes
4568 fi
4569
4570 # check that fallocate supports range zeroing inside the file
4571 fallocate_zero_range=no
4572 cat > $TMPC << EOF
4573 #include <fcntl.h>
4574 #include <linux/falloc.h>
4575
4576 int main(void)
4577 {
4578     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4579     return 0;
4580 }
4581 EOF
4582 if compile_prog "" "" ; then
4583   fallocate_zero_range=yes
4584 fi
4585
4586 # check for posix_fallocate
4587 posix_fallocate=no
4588 cat > $TMPC << EOF
4589 #include <fcntl.h>
4590
4591 int main(void)
4592 {
4593     posix_fallocate(0, 0, 0);
4594     return 0;
4595 }
4596 EOF
4597 if compile_prog "" "" ; then
4598     posix_fallocate=yes
4599 fi
4600
4601 # check for sync_file_range
4602 sync_file_range=no
4603 cat > $TMPC << EOF
4604 #include <fcntl.h>
4605
4606 int main(void)
4607 {
4608     sync_file_range(0, 0, 0, 0);
4609     return 0;
4610 }
4611 EOF
4612 if compile_prog "" "" ; then
4613   sync_file_range=yes
4614 fi
4615
4616 # check for linux/fiemap.h and FS_IOC_FIEMAP
4617 fiemap=no
4618 cat > $TMPC << EOF
4619 #include <sys/ioctl.h>
4620 #include <linux/fs.h>
4621 #include <linux/fiemap.h>
4622
4623 int main(void)
4624 {
4625     ioctl(0, FS_IOC_FIEMAP, 0);
4626     return 0;
4627 }
4628 EOF
4629 if compile_prog "" "" ; then
4630   fiemap=yes
4631 fi
4632
4633 # check for dup3
4634 dup3=no
4635 cat > $TMPC << EOF
4636 #include <unistd.h>
4637
4638 int main(void)
4639 {
4640     dup3(0, 0, 0);
4641     return 0;
4642 }
4643 EOF
4644 if compile_prog "" "" ; then
4645   dup3=yes
4646 fi
4647
4648 # check for ppoll support
4649 ppoll=no
4650 cat > $TMPC << EOF
4651 #include <poll.h>
4652
4653 int main(void)
4654 {
4655     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4656     ppoll(&pfd, 1, 0, 0);
4657     return 0;
4658 }
4659 EOF
4660 if compile_prog "" "" ; then
4661   ppoll=yes
4662 fi
4663
4664 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4665 prctl_pr_set_timerslack=no
4666 cat > $TMPC << EOF
4667 #include <sys/prctl.h>
4668
4669 int main(void)
4670 {
4671     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4672     return 0;
4673 }
4674 EOF
4675 if compile_prog "" "" ; then
4676   prctl_pr_set_timerslack=yes
4677 fi
4678
4679 # check for epoll support
4680 epoll=no
4681 cat > $TMPC << EOF
4682 #include <sys/epoll.h>
4683
4684 int main(void)
4685 {
4686     epoll_create(0);
4687     return 0;
4688 }
4689 EOF
4690 if compile_prog "" "" ; then
4691   epoll=yes
4692 fi
4693
4694 # epoll_create1 is a later addition
4695 # so we must check separately for its presence
4696 epoll_create1=no
4697 cat > $TMPC << EOF
4698 #include <sys/epoll.h>
4699
4700 int main(void)
4701 {
4702     /* Note that we use epoll_create1 as a value, not as
4703      * a function being called. This is necessary so that on
4704      * old SPARC glibc versions where the function was present in
4705      * the library but not declared in the header file we will
4706      * fail the configure check. (Otherwise we will get a compiler
4707      * warning but not an error, and will proceed to fail the
4708      * qemu compile where we compile with -Werror.)
4709      */
4710     return (int)(uintptr_t)&epoll_create1;
4711 }
4712 EOF
4713 if compile_prog "" "" ; then
4714   epoll_create1=yes
4715 fi
4716
4717 # check for sendfile support
4718 sendfile=no
4719 cat > $TMPC << EOF
4720 #include <sys/sendfile.h>
4721
4722 int main(void)
4723 {
4724     return sendfile(0, 0, 0, 0);
4725 }
4726 EOF
4727 if compile_prog "" "" ; then
4728   sendfile=yes
4729 fi
4730
4731 # check for timerfd support (glibc 2.8 and newer)
4732 timerfd=no
4733 cat > $TMPC << EOF
4734 #include <sys/timerfd.h>
4735
4736 int main(void)
4737 {
4738     return(timerfd_create(CLOCK_REALTIME, 0));
4739 }
4740 EOF
4741 if compile_prog "" "" ; then
4742   timerfd=yes
4743 fi
4744
4745 # check for setns and unshare support
4746 setns=no
4747 cat > $TMPC << EOF
4748 #include <sched.h>
4749
4750 int main(void)
4751 {
4752     int ret;
4753     ret = setns(0, 0);
4754     ret = unshare(0);
4755     return ret;
4756 }
4757 EOF
4758 if compile_prog "" "" ; then
4759   setns=yes
4760 fi
4761
4762 # clock_adjtime probe
4763 clock_adjtime=no
4764 cat > $TMPC <<EOF
4765 #include <time.h>
4766
4767 int main(void)
4768 {
4769     return clock_adjtime(0, 0);
4770 }
4771 EOF
4772 clock_adjtime=no
4773 if compile_prog "" "" ; then
4774   clock_adjtime=yes
4775 fi
4776
4777 # syncfs probe
4778 syncfs=no
4779 cat > $TMPC <<EOF
4780 #include <unistd.h>
4781
4782 int main(void)
4783 {
4784     return syncfs(0);
4785 }
4786 EOF
4787 syncfs=no
4788 if compile_prog "" "" ; then
4789   syncfs=yes
4790 fi
4791
4792 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4793 kcov=no
4794 if check_include sys/kcov.h ; then
4795     kcov=yes
4796 fi
4797
4798 # Check we have a new enough version of sphinx-build
4799 has_sphinx_build() {
4800     # This is a bit awkward but works: create a trivial document and
4801     # try to run it with our configuration file (which enforces a
4802     # version requirement). This will fail if either
4803     # sphinx-build doesn't exist at all or if it is too old.
4804     mkdir -p "$TMPDIR1/sphinx"
4805     touch "$TMPDIR1/sphinx/index.rst"
4806     $sphinx_build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4807 }
4808
4809 # Check if tools are available to build documentation.
4810 if test "$docs" != "no" ; then
4811   if has makeinfo && has pod2man && has_sphinx_build; then
4812     docs=yes
4813   else
4814     if test "$docs" = "yes" ; then
4815       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4816     fi
4817     docs=no
4818   fi
4819 fi
4820
4821 # Search for bswap_32 function
4822 byteswap_h=no
4823 cat > $TMPC << EOF
4824 #include <byteswap.h>
4825 int main(void) { return bswap_32(0); }
4826 EOF
4827 if compile_prog "" "" ; then
4828   byteswap_h=yes
4829 fi
4830
4831 # Search for bswap32 function
4832 bswap_h=no
4833 cat > $TMPC << EOF
4834 #include <sys/endian.h>
4835 #include <sys/types.h>
4836 #include <machine/bswap.h>
4837 int main(void) { return bswap32(0); }
4838 EOF
4839 if compile_prog "" "" ; then
4840   bswap_h=yes
4841 fi
4842
4843 ##########################################
4844 # Do we have libiscsi >= 1.9.0
4845 if test "$libiscsi" != "no" ; then
4846   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4847     libiscsi="yes"
4848     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4849     libiscsi_libs=$($pkg_config --libs libiscsi)
4850   else
4851     if test "$libiscsi" = "yes" ; then
4852       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4853     fi
4854     libiscsi="no"
4855   fi
4856 fi
4857
4858 ##########################################
4859 # Do we need libm
4860 cat > $TMPC << EOF
4861 #include <math.h>
4862 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4863 EOF
4864 if compile_prog "" "" ; then
4865   :
4866 elif compile_prog "" "-lm" ; then
4867   LIBS="-lm $LIBS"
4868   libs_qga="-lm $libs_qga"
4869 else
4870   error_exit "libm check failed"
4871 fi
4872
4873 ##########################################
4874 # Do we need librt
4875 # uClibc provides 2 versions of clock_gettime(), one with realtime
4876 # support and one without. This means that the clock_gettime() don't
4877 # need -lrt. We still need it for timer_create() so we check for this
4878 # function in addition.
4879 cat > $TMPC <<EOF
4880 #include <signal.h>
4881 #include <time.h>
4882 int main(void) {
4883   timer_create(CLOCK_REALTIME, NULL, NULL);
4884   return clock_gettime(CLOCK_REALTIME, NULL);
4885 }
4886 EOF
4887
4888 if compile_prog "" "" ; then
4889   :
4890 # we need pthread for static linking. use previous pthread test result
4891 elif compile_prog "" "$pthread_lib -lrt" ; then
4892   LIBS="$LIBS -lrt"
4893   libs_qga="$libs_qga -lrt"
4894 fi
4895
4896 # Check whether we need to link libutil for openpty()
4897 cat > $TMPC << EOF
4898 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4899 int main(void) { return openpty(0, 0, 0, 0, 0); }
4900 EOF
4901
4902 if ! compile_prog "" "" ; then
4903   if compile_prog "" "-lutil" ; then
4904     libs_softmmu="-lutil $libs_softmmu"
4905     libs_tools="-lutil $libs_tools"
4906   fi
4907 fi
4908
4909 ##########################################
4910 # spice probe
4911 if test "$spice" != "no" ; then
4912   cat > $TMPC << EOF
4913 #include <spice.h>
4914 int main(void) { spice_server_new(); return 0; }
4915 EOF
4916   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4917   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4918   if $pkg_config --atleast-version=0.12.5 spice-server && \
4919      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4920      compile_prog "$spice_cflags" "$spice_libs" ; then
4921     spice="yes"
4922     libs_softmmu="$libs_softmmu $spice_libs"
4923     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4924     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4925     spice_server_version=$($pkg_config --modversion spice-server)
4926   else
4927     if test "$spice" = "yes" ; then
4928       feature_not_found "spice" \
4929           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4930     fi
4931     spice="no"
4932   fi
4933 fi
4934
4935 # check for smartcard support
4936 if test "$smartcard" != "no"; then
4937     if $pkg_config --atleast-version=2.5.1 libcacard; then
4938         libcacard_cflags=$($pkg_config --cflags libcacard)
4939         libcacard_libs=$($pkg_config --libs libcacard)
4940         smartcard="yes"
4941     else
4942         if test "$smartcard" = "yes"; then
4943             feature_not_found "smartcard" "Install libcacard devel"
4944         fi
4945         smartcard="no"
4946     fi
4947 fi
4948
4949 # check for libusb
4950 if test "$libusb" != "no" ; then
4951     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4952         libusb="yes"
4953         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4954         libusb_libs=$($pkg_config --libs libusb-1.0)
4955     else
4956         if test "$libusb" = "yes"; then
4957             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4958         fi
4959         libusb="no"
4960     fi
4961 fi
4962
4963 # check for usbredirparser for usb network redirection support
4964 if test "$usb_redir" != "no" ; then
4965     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4966         usb_redir="yes"
4967         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4968         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4969     else
4970         if test "$usb_redir" = "yes"; then
4971             feature_not_found "usb-redir" "Install usbredir devel"
4972         fi
4973         usb_redir="no"
4974     fi
4975 fi
4976
4977 ##########################################
4978 # check if we have VSS SDK headers for win
4979
4980 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4981         test "$vss_win32_sdk" != "no" ; then
4982   case "$vss_win32_sdk" in
4983     "")   vss_win32_include="-isystem $source_path" ;;
4984     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4985           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4986           vss_win32_include="-isystem $source_path/.sdk/vss"
4987           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4988           ;;
4989     *)    vss_win32_include="-isystem $vss_win32_sdk"
4990   esac
4991   cat > $TMPC << EOF
4992 #define __MIDL_user_allocate_free_DEFINED__
4993 #include <inc/win2003/vss.h>
4994 int main(void) { return VSS_CTX_BACKUP; }
4995 EOF
4996   if compile_prog "$vss_win32_include" "" ; then
4997     guest_agent_with_vss="yes"
4998     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4999     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
5000     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
5001   else
5002     if test "$vss_win32_sdk" != "" ; then
5003       echo "ERROR: Please download and install Microsoft VSS SDK:"
5004       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5005       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5006       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5007       echo "ERROR: The headers are extracted in the directory \`inc'."
5008       feature_not_found "VSS support"
5009     fi
5010     guest_agent_with_vss="no"
5011   fi
5012 fi
5013
5014 ##########################################
5015 # lookup Windows platform SDK (if not specified)
5016 # The SDK is needed only to build .tlb (type library) file of guest agent
5017 # VSS provider from the source. It is usually unnecessary because the
5018 # pre-compiled .tlb file is included.
5019
5020 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5021         test "$guest_agent_with_vss" = "yes" ; then
5022   if test -z "$win_sdk"; then
5023     programfiles="$PROGRAMFILES"
5024     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5025     if test -n "$programfiles"; then
5026       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5027     else
5028       feature_not_found "Windows SDK"
5029     fi
5030   elif test "$win_sdk" = "no"; then
5031     win_sdk=""
5032   fi
5033 fi
5034
5035 ##########################################
5036 # check if mingw environment provides a recent ntddscsi.h
5037 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5038   cat > $TMPC << EOF
5039 #include <windows.h>
5040 #include <ntddscsi.h>
5041 int main(void) {
5042 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5043 #error Missing required ioctl definitions
5044 #endif
5045   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5046   return addr.Lun;
5047 }
5048 EOF
5049   if compile_prog "" "" ; then
5050     guest_agent_ntddscsi=yes
5051     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5052   fi
5053 fi
5054
5055 ##########################################
5056 # virgl renderer probe
5057
5058 if test "$virglrenderer" != "no" ; then
5059   cat > $TMPC << EOF
5060 #include <virglrenderer.h>
5061 int main(void) { virgl_renderer_poll(); return 0; }
5062 EOF
5063   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5064   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5065   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5066   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5067      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5068     virglrenderer="yes"
5069   else
5070     if test "$virglrenderer" = "yes" ; then
5071       feature_not_found "virglrenderer"
5072     fi
5073     virglrenderer="no"
5074   fi
5075 fi
5076
5077 ##########################################
5078 # capstone
5079
5080 case "$capstone" in
5081   "" | yes)
5082     if $pkg_config capstone; then
5083       capstone=system
5084     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5085       capstone=git
5086     elif test -e "${source_path}/capstone/Makefile" ; then
5087       capstone=internal
5088     elif test -z "$capstone" ; then
5089       capstone=no
5090     else
5091       feature_not_found "capstone" "Install capstone devel or git submodule"
5092     fi
5093     ;;
5094
5095   system)
5096     if ! $pkg_config capstone; then
5097       feature_not_found "capstone" "Install capstone devel"
5098     fi
5099     ;;
5100 esac
5101
5102 case "$capstone" in
5103   git | internal)
5104     if test "$capstone" = git; then
5105       git_submodules="${git_submodules} capstone"
5106     fi
5107     mkdir -p capstone
5108     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5109     if test "$mingw32" = "yes"; then
5110       LIBCAPSTONE=capstone.lib
5111     else
5112       LIBCAPSTONE=libcapstone.a
5113     fi
5114     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5115     ;;
5116
5117   system)
5118     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5119     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5120     ;;
5121
5122   no)
5123     ;;
5124   *)
5125     error_exit "Unknown state for capstone: $capstone"
5126     ;;
5127 esac
5128
5129 ##########################################
5130 # check if we have fdatasync
5131
5132 fdatasync=no
5133 cat > $TMPC << EOF
5134 #include <unistd.h>
5135 int main(void) {
5136 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5137 return fdatasync(0);
5138 #else
5139 #error Not supported
5140 #endif
5141 }
5142 EOF
5143 if compile_prog "" "" ; then
5144     fdatasync=yes
5145 fi
5146
5147 ##########################################
5148 # check if we have madvise
5149
5150 madvise=no
5151 cat > $TMPC << EOF
5152 #include <sys/types.h>
5153 #include <sys/mman.h>
5154 #include <stddef.h>
5155 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5156 EOF
5157 if compile_prog "" "" ; then
5158     madvise=yes
5159 fi
5160
5161 ##########################################
5162 # check if we have posix_madvise
5163
5164 posix_madvise=no
5165 cat > $TMPC << EOF
5166 #include <sys/mman.h>
5167 #include <stddef.h>
5168 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5169 EOF
5170 if compile_prog "" "" ; then
5171     posix_madvise=yes
5172 fi
5173
5174 ##########################################
5175 # check if we have posix_memalign()
5176
5177 posix_memalign=no
5178 cat > $TMPC << EOF
5179 #include <stdlib.h>
5180 int main(void) {
5181     void *p;
5182     return posix_memalign(&p, 8, 8);
5183 }
5184 EOF
5185 if compile_prog "" "" ; then
5186     posix_memalign=yes
5187 fi
5188
5189 ##########################################
5190 # check if we have posix_syslog
5191
5192 posix_syslog=no
5193 cat > $TMPC << EOF
5194 #include <syslog.h>
5195 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5196 EOF
5197 if compile_prog "" "" ; then
5198     posix_syslog=yes
5199 fi
5200
5201 ##########################################
5202 # check if we have sem_timedwait
5203
5204 sem_timedwait=no
5205 cat > $TMPC << EOF
5206 #include <semaphore.h>
5207 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5208 EOF
5209 if compile_prog "" "" ; then
5210     sem_timedwait=yes
5211 fi
5212
5213 ##########################################
5214 # check if we have strchrnul
5215
5216 strchrnul=no
5217 cat > $TMPC << EOF
5218 #include <string.h>
5219 int main(void);
5220 // Use a haystack that the compiler shouldn't be able to constant fold
5221 char *haystack = (char*)&main;
5222 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5223 EOF
5224 if compile_prog "" "" ; then
5225     strchrnul=yes
5226 fi
5227
5228 #########################################
5229 # check if we have st_atim
5230
5231 st_atim=no
5232 cat > $TMPC << EOF
5233 #include <sys/stat.h>
5234 #include <stddef.h>
5235 int main(void) { return offsetof(struct stat, st_atim); }
5236 EOF
5237 if compile_prog "" "" ; then
5238     st_atim=yes
5239 fi
5240
5241 ##########################################
5242 # check if trace backend exists
5243
5244 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5245 if test "$?" -ne 0 ; then
5246   error_exit "invalid trace backends" \
5247       "Please choose supported trace backends."
5248 fi
5249
5250 ##########################################
5251 # For 'ust' backend, test if ust headers are present
5252 if have_backend "ust"; then
5253   cat > $TMPC << EOF
5254 #include <lttng/tracepoint.h>
5255 int main(void) { return 0; }
5256 EOF
5257   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5258     if $pkg_config lttng-ust --exists; then
5259       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5260     else
5261       lttng_ust_libs="-llttng-ust -ldl"
5262     fi
5263     if $pkg_config liburcu-bp --exists; then
5264       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5265     else
5266       urcu_bp_libs="-lurcu-bp"
5267     fi
5268
5269     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5270     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5271   else
5272     error_exit "Trace backend 'ust' missing lttng-ust header files"
5273   fi
5274 fi
5275
5276 ##########################################
5277 # For 'dtrace' backend, test if 'dtrace' command is present
5278 if have_backend "dtrace"; then
5279   if ! has 'dtrace' ; then
5280     error_exit "dtrace command is not found in PATH $PATH"
5281   fi
5282   trace_backend_stap="no"
5283   if has 'stap' ; then
5284     trace_backend_stap="yes"
5285   fi
5286 fi
5287
5288 ##########################################
5289 # check and set a backend for coroutine
5290
5291 # We prefer ucontext, but it's not always possible. The fallback
5292 # is sigcontext. On Windows the only valid backend is the Windows
5293 # specific one.
5294
5295 ucontext_works=no
5296 if test "$darwin" != "yes"; then
5297   cat > $TMPC << EOF
5298 #include <ucontext.h>
5299 #ifdef __stub_makecontext
5300 #error Ignoring glibc stub makecontext which will always fail
5301 #endif
5302 int main(void) { makecontext(0, 0, 0); return 0; }
5303 EOF
5304   if compile_prog "" "" ; then
5305     ucontext_works=yes
5306   fi
5307 fi
5308
5309 if test "$coroutine" = ""; then
5310   if test "$mingw32" = "yes"; then
5311     coroutine=win32
5312   elif test "$ucontext_works" = "yes"; then
5313     coroutine=ucontext
5314   else
5315     coroutine=sigaltstack
5316   fi
5317 else
5318   case $coroutine in
5319   windows)
5320     if test "$mingw32" != "yes"; then
5321       error_exit "'windows' coroutine backend only valid for Windows"
5322     fi
5323     # Unfortunately the user visible backend name doesn't match the
5324     # coroutine-*.c filename for this case, so we have to adjust it here.
5325     coroutine=win32
5326     ;;
5327   ucontext)
5328     if test "$ucontext_works" != "yes"; then
5329       feature_not_found "ucontext"
5330     fi
5331     ;;
5332   sigaltstack)
5333     if test "$mingw32" = "yes"; then
5334       error_exit "only the 'windows' coroutine backend is valid for Windows"
5335     fi
5336     ;;
5337   *)
5338     error_exit "unknown coroutine backend $coroutine"
5339     ;;
5340   esac
5341 fi
5342
5343 if test "$coroutine_pool" = ""; then
5344   coroutine_pool=yes
5345 fi
5346
5347 if test "$debug_stack_usage" = "yes"; then
5348   if test "$coroutine_pool" = "yes"; then
5349     echo "WARN: disabling coroutine pool for stack usage debugging"
5350     coroutine_pool=no
5351   fi
5352 fi
5353
5354
5355 ##########################################
5356 # check if we have open_by_handle_at
5357
5358 open_by_handle_at=no
5359 cat > $TMPC << EOF
5360 #include <fcntl.h>
5361 #if !defined(AT_EMPTY_PATH)
5362 # error missing definition
5363 #else
5364 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5365 #endif
5366 EOF
5367 if compile_prog "" "" ; then
5368     open_by_handle_at=yes
5369 fi
5370
5371 ########################################
5372 # check if we have linux/magic.h
5373
5374 linux_magic_h=no
5375 cat > $TMPC << EOF
5376 #include <linux/magic.h>
5377 int main(void) {
5378   return 0;
5379 }
5380 EOF
5381 if compile_prog "" "" ; then
5382     linux_magic_h=yes
5383 fi
5384
5385 ########################################
5386 # check whether we can disable warning option with a pragma (this is needed
5387 # to silence warnings in the headers of some versions of external libraries).
5388 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5389 # only a warning.
5390 #
5391 # If we can't selectively disable warning in the code, disable -Werror so that
5392 # the build doesn't fail anyway.
5393
5394 pragma_disable_unused_but_set=no
5395 cat > $TMPC << EOF
5396 #pragma GCC diagnostic push
5397 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5398 #pragma GCC diagnostic pop
5399
5400 int main(void) {
5401     return 0;
5402 }
5403 EOF
5404 if compile_prog "-Werror" "" ; then
5405     pragma_diagnostic_available=yes
5406 else
5407     werror=no
5408 fi
5409
5410 ########################################
5411 # check if we have valgrind/valgrind.h
5412
5413 valgrind_h=no
5414 cat > $TMPC << EOF
5415 #include <valgrind/valgrind.h>
5416 int main(void) {
5417   return 0;
5418 }
5419 EOF
5420 if compile_prog "" "" ; then
5421     valgrind_h=yes
5422 fi
5423
5424 ########################################
5425 # check if environ is declared
5426
5427 has_environ=no
5428 cat > $TMPC << EOF
5429 #include <unistd.h>
5430 int main(void) {
5431     environ = 0;
5432     return 0;
5433 }
5434 EOF
5435 if compile_prog "" "" ; then
5436     has_environ=yes
5437 fi
5438
5439 ########################################
5440 # check if cpuid.h is usable.
5441
5442 cat > $TMPC << EOF
5443 #include <cpuid.h>
5444 int main(void) {
5445     unsigned a, b, c, d;
5446     int max = __get_cpuid_max(0, 0);
5447
5448     if (max >= 1) {
5449         __cpuid(1, a, b, c, d);
5450     }
5451
5452     if (max >= 7) {
5453         __cpuid_count(7, 0, a, b, c, d);
5454     }
5455
5456     return 0;
5457 }
5458 EOF
5459 if compile_prog "" "" ; then
5460     cpuid_h=yes
5461 fi
5462
5463 ##########################################
5464 # avx2 optimization requirement check
5465 #
5466 # There is no point enabling this if cpuid.h is not usable,
5467 # since we won't be able to select the new routines.
5468
5469 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5470   cat > $TMPC << EOF
5471 #pragma GCC push_options
5472 #pragma GCC target("avx2")
5473 #include <cpuid.h>
5474 #include <immintrin.h>
5475 static int bar(void *a) {
5476     __m256i x = *(__m256i *)a;
5477     return _mm256_testz_si256(x, x);
5478 }
5479 int main(int argc, char *argv[]) { return bar(argv[0]); }
5480 EOF
5481   if compile_object "" ; then
5482     avx2_opt="yes"
5483   else
5484     avx2_opt="no"
5485   fi
5486 fi
5487
5488 ########################################
5489 # check if __[u]int128_t is usable.
5490
5491 int128=no
5492 cat > $TMPC << EOF
5493 __int128_t a;
5494 __uint128_t b;
5495 int main (void) {
5496   a = a + b;
5497   b = a * b;
5498   a = a * a;
5499   return 0;
5500 }
5501 EOF
5502 if compile_prog "" "" ; then
5503     int128=yes
5504 fi
5505
5506 #########################################
5507 # See if 128-bit atomic operations are supported.
5508
5509 atomic128=no
5510 if test "$int128" = "yes"; then
5511   cat > $TMPC << EOF
5512 int main(void)
5513 {
5514   unsigned __int128 x = 0, y = 0;
5515   y = __atomic_load_16(&x, 0);
5516   __atomic_store_16(&x, y, 0);
5517   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5518   return 0;
5519 }
5520 EOF
5521   if compile_prog "" "" ; then
5522     atomic128=yes
5523   fi
5524 fi
5525
5526 cmpxchg128=no
5527 if test "$int128" = yes && test "$atomic128" = no; then
5528   cat > $TMPC << EOF
5529 int main(void)
5530 {
5531   unsigned __int128 x = 0, y = 0;
5532   __sync_val_compare_and_swap_16(&x, y, x);
5533   return 0;
5534 }
5535 EOF
5536   if compile_prog "" "" ; then
5537     cmpxchg128=yes
5538   fi
5539 fi
5540
5541 #########################################
5542 # See if 64-bit atomic operations are supported.
5543 # Note that without __atomic builtins, we can only
5544 # assume atomic loads/stores max at pointer size.
5545
5546 cat > $TMPC << EOF
5547 #include <stdint.h>
5548 int main(void)
5549 {
5550   uint64_t x = 0, y = 0;
5551 #ifdef __ATOMIC_RELAXED
5552   y = __atomic_load_8(&x, 0);
5553   __atomic_store_8(&x, y, 0);
5554   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5555   __atomic_exchange_8(&x, y, 0);
5556   __atomic_fetch_add_8(&x, y, 0);
5557 #else
5558   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5559   __sync_lock_test_and_set(&x, y);
5560   __sync_val_compare_and_swap(&x, y, 0);
5561   __sync_fetch_and_add(&x, y);
5562 #endif
5563   return 0;
5564 }
5565 EOF
5566 if compile_prog "" "" ; then
5567   atomic64=yes
5568 fi
5569
5570 #########################################
5571 # See if --dynamic-list is supported by the linker
5572 ld_dynamic_list="no"
5573 if test "$static" = "no" ; then
5574     cat > $TMPTXT <<EOF
5575 {
5576   foo;
5577 };
5578 EOF
5579
5580     cat > $TMPC <<EOF
5581 #include <stdio.h>
5582 void foo(void);
5583
5584 void foo(void)
5585 {
5586   printf("foo\n");
5587 }
5588
5589 int main(void)
5590 {
5591   foo();
5592   return 0;
5593 }
5594 EOF
5595
5596     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5597         ld_dynamic_list="yes"
5598     fi
5599 fi
5600
5601 #########################################
5602 # See if -exported_symbols_list is supported by the linker
5603
5604 ld_exported_symbols_list="no"
5605 if test "$static" = "no" ; then
5606     cat > $TMPTXT <<EOF
5607   _foo
5608 EOF
5609
5610     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5611         ld_exported_symbols_list="yes"
5612     fi
5613 fi
5614
5615 if  test "$plugins" = "yes" &&
5616     test "$ld_dynamic_list" = "no" &&
5617     test "$ld_exported_symbols_list" = "no" ; then
5618   error_exit \
5619       "Plugin support requires dynamic linking and specifying a set of symbols " \
5620       "that are exported to plugins. Unfortunately your linker doesn't " \
5621       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5622       "for this purpose. You can't build with --static."
5623 fi
5624
5625 ########################################
5626 # See if 16-byte vector operations are supported.
5627 # Even without a vector unit the compiler may expand these.
5628 # There is a bug in old GCC for PPC that crashes here.
5629 # Unfortunately it's the system compiler for Centos 7.
5630
5631 cat > $TMPC << EOF
5632 typedef unsigned char U1 __attribute__((vector_size(16)));
5633 typedef unsigned short U2 __attribute__((vector_size(16)));
5634 typedef unsigned int U4 __attribute__((vector_size(16)));
5635 typedef unsigned long long U8 __attribute__((vector_size(16)));
5636 typedef signed char S1 __attribute__((vector_size(16)));
5637 typedef signed short S2 __attribute__((vector_size(16)));
5638 typedef signed int S4 __attribute__((vector_size(16)));
5639 typedef signed long long S8 __attribute__((vector_size(16)));
5640 static U1 a1, b1;
5641 static U2 a2, b2;
5642 static U4 a4, b4;
5643 static U8 a8, b8;
5644 static S1 c1;
5645 static S2 c2;
5646 static S4 c4;
5647 static S8 c8;
5648 static int i;
5649 void helper(void *d, void *a, int shift, int i);
5650 void helper(void *d, void *a, int shift, int i)
5651 {
5652   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5653   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5654   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5655   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5656 }
5657 int main(void)
5658 {
5659   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5660   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5661   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5662   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5663   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5664   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5665   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5666   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5667   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5668   return 0;
5669 }
5670 EOF
5671
5672 vector16=no
5673 if compile_prog "" "" ; then
5674   vector16=yes
5675 fi
5676
5677 ########################################
5678 # See if __attribute__((alias)) is supported.
5679 # This false for Xcode 9, but has been remedied for Xcode 10.
5680 # Unfortunately, travis uses Xcode 9 by default.
5681
5682 attralias=no
5683 cat > $TMPC << EOF
5684 int x = 1;
5685 extern const int y __attribute__((alias("x")));
5686 int main(void) { return 0; }
5687 EOF
5688 if compile_prog "" "" ; then
5689     attralias=yes
5690 fi
5691
5692 ########################################
5693 # check if getauxval is available.
5694
5695 getauxval=no
5696 cat > $TMPC << EOF
5697 #include <sys/auxv.h>
5698 int main(void) {
5699   return getauxval(AT_HWCAP) == 0;
5700 }
5701 EOF
5702 if compile_prog "" "" ; then
5703     getauxval=yes
5704 fi
5705
5706 ########################################
5707 # check if ccache is interfering with
5708 # semantic analysis of macros
5709
5710 unset CCACHE_CPP2
5711 ccache_cpp2=no
5712 cat > $TMPC << EOF
5713 static const int Z = 1;
5714 #define fn() ({ Z; })
5715 #define TAUT(X) ((X) == Z)
5716 #define PAREN(X, Y) (X == Y)
5717 #define ID(X) (X)
5718 int main(int argc, char *argv[])
5719 {
5720     int x = 0, y = 0;
5721     x = ID(x);
5722     x = fn();
5723     fn();
5724     if (PAREN(x, y)) return 0;
5725     if (TAUT(Z)) return 0;
5726     return 0;
5727 }
5728 EOF
5729
5730 if ! compile_object "-Werror"; then
5731     ccache_cpp2=yes
5732 fi
5733
5734 #################################################
5735 # clang does not support glibc + FORTIFY_SOURCE.
5736
5737 if test "$fortify_source" != "no"; then
5738   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5739     fortify_source="no";
5740   elif test -n "$cxx" && has $cxx &&
5741        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5742     fortify_source="no";
5743   else
5744     fortify_source="yes"
5745   fi
5746 fi
5747
5748 ###############################################
5749 # Check if copy_file_range is provided by glibc
5750 have_copy_file_range=no
5751 cat > $TMPC << EOF
5752 #include <unistd.h>
5753 int main(void) {
5754   copy_file_range(0, NULL, 0, NULL, 0, 0);
5755   return 0;
5756 }
5757 EOF
5758 if compile_prog "" "" ; then
5759     have_copy_file_range=yes
5760 fi
5761
5762 ##########################################
5763 # check if struct fsxattr is available via linux/fs.h
5764
5765 have_fsxattr=no
5766 cat > $TMPC << EOF
5767 #include <linux/fs.h>
5768 struct fsxattr foo;
5769 int main(void) {
5770   return 0;
5771 }
5772 EOF
5773 if compile_prog "" "" ; then
5774     have_fsxattr=yes
5775 fi
5776
5777 ##########################################
5778 # check for usable membarrier system call
5779 if test "$membarrier" = "yes"; then
5780     have_membarrier=no
5781     if test "$mingw32" = "yes" ; then
5782         have_membarrier=yes
5783     elif test "$linux" = "yes" ; then
5784         cat > $TMPC << EOF
5785     #include <linux/membarrier.h>
5786     #include <sys/syscall.h>
5787     #include <unistd.h>
5788     #include <stdlib.h>
5789     int main(void) {
5790         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5791         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5792         exit(0);
5793     }
5794 EOF
5795         if compile_prog "" "" ; then
5796             have_membarrier=yes
5797         fi
5798     fi
5799     if test "$have_membarrier" = "no"; then
5800       feature_not_found "membarrier" "membarrier system call not available"
5801     fi
5802 else
5803     # Do not enable it by default even for Mingw32, because it doesn't
5804     # work on Wine.
5805     membarrier=no
5806 fi
5807
5808 ##########################################
5809 # check if rtnetlink.h exists and is useful
5810 have_rtnetlink=no
5811 cat > $TMPC << EOF
5812 #include <linux/rtnetlink.h>
5813 int main(void) {
5814   return IFLA_PROTO_DOWN;
5815 }
5816 EOF
5817 if compile_prog "" "" ; then
5818     have_rtnetlink=yes
5819 fi
5820
5821 ##########################################
5822 # check for usable AF_VSOCK environment
5823 have_af_vsock=no
5824 cat > $TMPC << EOF
5825 #include <errno.h>
5826 #include <sys/types.h>
5827 #include <sys/socket.h>
5828 #if !defined(AF_VSOCK)
5829 # error missing AF_VSOCK flag
5830 #endif
5831 #include <linux/vm_sockets.h>
5832 int main(void) {
5833     int sock, ret;
5834     struct sockaddr_vm svm;
5835     socklen_t len = sizeof(svm);
5836     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5837     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5838     if ((ret == -1) && (errno == ENOTCONN)) {
5839         return 0;
5840     }
5841     return -1;
5842 }
5843 EOF
5844 if compile_prog "" "" ; then
5845     have_af_vsock=yes
5846 fi
5847
5848 ##########################################
5849 # check for usable AF_ALG environment
5850 have_afalg=no
5851 cat > $TMPC << EOF
5852 #include <errno.h>
5853 #include <sys/types.h>
5854 #include <sys/socket.h>
5855 #include <linux/if_alg.h>
5856 int main(void) {
5857     int sock;
5858     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5859     return sock;
5860 }
5861 EOF
5862 if compile_prog "" "" ; then
5863     have_afalg=yes
5864 fi
5865 if test "$crypto_afalg" = "yes"
5866 then
5867     if test "$have_afalg" != "yes"
5868     then
5869         error_exit "AF_ALG requested but could not be detected"
5870     fi
5871 fi
5872
5873
5874 #################################################
5875 # Check to see if we have the Hypervisor framework
5876 if [ "$darwin" = "yes" ] ; then
5877   cat > $TMPC << EOF
5878 #include <Hypervisor/hv.h>
5879 int main() { return 0;}
5880 EOF
5881   if ! compile_object ""; then
5882     hvf='no'
5883   else
5884     hvf='yes'
5885     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
5886   fi
5887 fi
5888
5889 #################################################
5890 # Sparc implicitly links with --relax, which is
5891 # incompatible with -r, so --no-relax should be
5892 # given. It does no harm to give it on other
5893 # platforms too.
5894
5895 # Note: the prototype is needed since QEMU_CFLAGS
5896 #       contains -Wmissing-prototypes
5897 cat > $TMPC << EOF
5898 extern int foo(void);
5899 int foo(void) { return 0; }
5900 EOF
5901 if ! compile_object ""; then
5902   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5903 fi
5904 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5905   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5906     LD_REL_FLAGS=$i
5907     break
5908   fi
5909 done
5910 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5911   feature_not_found "modules" "Cannot find how to build relocatable objects"
5912 fi
5913
5914 ##########################################
5915 # check for sysmacros.h
5916
5917 have_sysmacros=no
5918 cat > $TMPC << EOF
5919 #include <sys/sysmacros.h>
5920 int main(void) {
5921     return makedev(0, 0);
5922 }
5923 EOF
5924 if compile_prog "" "" ; then
5925     have_sysmacros=yes
5926 fi
5927
5928 ##########################################
5929 # Veritas HyperScale block driver VxHS
5930 # Check if libvxhs is installed
5931
5932 if test "$vxhs" != "no" ; then
5933   cat > $TMPC <<EOF
5934 #include <stdint.h>
5935 #include <qnio/qnio_api.h>
5936
5937 void *vxhs_callback;
5938
5939 int main(void) {
5940     iio_init(QNIO_VERSION, vxhs_callback);
5941     return 0;
5942 }
5943 EOF
5944   vxhs_libs="-lvxhs -lssl"
5945   if compile_prog "" "$vxhs_libs" ; then
5946     vxhs=yes
5947   else
5948     if test "$vxhs" = "yes" ; then
5949       feature_not_found "vxhs block device" "Install libvxhs See github"
5950     fi
5951     vxhs=no
5952   fi
5953 fi
5954
5955 ##########################################
5956 # check for _Static_assert()
5957
5958 have_static_assert=no
5959 cat > $TMPC << EOF
5960 _Static_assert(1, "success");
5961 int main(void) {
5962     return 0;
5963 }
5964 EOF
5965 if compile_prog "" "" ; then
5966     have_static_assert=yes
5967 fi
5968
5969 ##########################################
5970 # check for utmpx.h, it is missing e.g. on OpenBSD
5971
5972 have_utmpx=no
5973 cat > $TMPC << EOF
5974 #include <utmpx.h>
5975 struct utmpx user_info;
5976 int main(void) {
5977     return 0;
5978 }
5979 EOF
5980 if compile_prog "" "" ; then
5981     have_utmpx=yes
5982 fi
5983
5984 ##########################################
5985 # check for getrandom()
5986
5987 have_getrandom=no
5988 cat > $TMPC << EOF
5989 #include <sys/random.h>
5990 int main(void) {
5991     return getrandom(0, 0, GRND_NONBLOCK);
5992 }
5993 EOF
5994 if compile_prog "" "" ; then
5995     have_getrandom=yes
5996 fi
5997
5998 ##########################################
5999 # checks for sanitizers
6000
6001 have_asan=no
6002 have_ubsan=no
6003 have_asan_iface_h=no
6004 have_asan_iface_fiber=no
6005
6006 if test "$sanitizers" = "yes" ; then
6007   write_c_skeleton
6008   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6009       have_asan=yes
6010   fi
6011
6012   # we could use a simple skeleton for flags checks, but this also
6013   # detect the static linking issue of ubsan, see also:
6014   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6015   cat > $TMPC << EOF
6016 #include <stdlib.h>
6017 int main(void) {
6018     void *tmp = malloc(10);
6019     return *(int *)(tmp + 2);
6020 }
6021 EOF
6022   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6023       have_ubsan=yes
6024   fi
6025
6026   if check_include "sanitizer/asan_interface.h" ; then
6027       have_asan_iface_h=yes
6028   fi
6029
6030   cat > $TMPC << EOF
6031 #include <sanitizer/asan_interface.h>
6032 int main(void) {
6033   __sanitizer_start_switch_fiber(0, 0, 0);
6034   return 0;
6035 }
6036 EOF
6037   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6038       have_asan_iface_fiber=yes
6039   fi
6040 fi
6041
6042 ##########################################
6043 # check for libpmem
6044
6045 if test "$libpmem" != "no"; then
6046         if $pkg_config --exists "libpmem"; then
6047                 libpmem="yes"
6048                 libpmem_libs=$($pkg_config --libs libpmem)
6049                 libpmem_cflags=$($pkg_config --cflags libpmem)
6050                 libs_softmmu="$libs_softmmu $libpmem_libs"
6051                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6052         else
6053                 if test "$libpmem" = "yes" ; then
6054                         feature_not_found "libpmem" "Install nvml or pmdk"
6055                 fi
6056                 libpmem="no"
6057         fi
6058 fi
6059
6060 ##########################################
6061 # check for slirp
6062
6063 case "$slirp" in
6064   "" | yes)
6065     if $pkg_config slirp; then
6066       slirp=system
6067     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6068       slirp=git
6069     elif test -e "${source_path}/slirp/Makefile" ; then
6070       slirp=internal
6071     elif test -z "$slirp" ; then
6072       slirp=no
6073     else
6074       feature_not_found "slirp" "Install slirp devel or git submodule"
6075     fi
6076     ;;
6077
6078   system)
6079     if ! $pkg_config slirp; then
6080       feature_not_found "slirp" "Install slirp devel"
6081     fi
6082     ;;
6083 esac
6084
6085 case "$slirp" in
6086   git | internal)
6087     if test "$slirp" = git; then
6088       git_submodules="${git_submodules} slirp"
6089     fi
6090     mkdir -p slirp
6091     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6092     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6093     if test "$mingw32" = "yes" ; then
6094       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6095     fi
6096     ;;
6097
6098   system)
6099     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6100     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6101     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6102     ;;
6103
6104   no)
6105     ;;
6106   *)
6107     error_exit "Unknown state for slirp: $slirp"
6108     ;;
6109 esac
6110
6111
6112 ##########################################
6113 # End of CC checks
6114 # After here, no more $cc or $ld runs
6115
6116 write_c_skeleton
6117
6118 if test "$gcov" = "yes" ; then
6119   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6120   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6121 elif test "$fortify_source" = "yes" ; then
6122   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6123 elif test "$debug" = "no"; then
6124   CFLAGS="-O2 $CFLAGS"
6125 fi
6126
6127 if test "$have_asan" = "yes"; then
6128   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6129   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6130   if test "$have_asan_iface_h" = "no" ; then
6131       echo "ASAN build enabled, but ASAN header missing." \
6132            "Without code annotation, the report may be inferior."
6133   elif test "$have_asan_iface_fiber" = "no" ; then
6134       echo "ASAN build enabled, but ASAN header is too old." \
6135            "Without code annotation, the report may be inferior."
6136   fi
6137 fi
6138 if test "$have_ubsan" = "yes"; then
6139   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6140   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6141 fi
6142
6143 ##########################################
6144 # Do we have libnfs
6145 if test "$libnfs" != "no" ; then
6146   if $pkg_config --atleast-version=1.9.3 libnfs; then
6147     libnfs="yes"
6148     libnfs_libs=$($pkg_config --libs libnfs)
6149   else
6150     if test "$libnfs" = "yes" ; then
6151       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6152     fi
6153     libnfs="no"
6154   fi
6155 fi
6156
6157 ##########################################
6158 # Do we have libudev
6159 if test "$libudev" != "no" ; then
6160   if $pkg_config libudev && test "$static" != "yes"; then
6161     libudev="yes"
6162     libudev_libs=$($pkg_config --libs libudev)
6163   else
6164     libudev="no"
6165   fi
6166 fi
6167
6168 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6169 if test "$werror" = "yes"; then
6170     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6171 fi
6172
6173 if test "$solaris" = "no" ; then
6174     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6175         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6176     fi
6177 fi
6178
6179 # test if pod2man has --utf8 option
6180 if pod2man --help | grep -q utf8; then
6181     POD2MAN="pod2man --utf8"
6182 else
6183     POD2MAN="pod2man"
6184 fi
6185
6186 # Use ASLR, no-SEH and DEP if available
6187 if test "$mingw32" = "yes" ; then
6188     for flag in --dynamicbase --no-seh --nxcompat; do
6189         if ld_has $flag ; then
6190             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6191         fi
6192     done
6193 fi
6194
6195 # Disable OpenBSD W^X if available
6196 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6197     cat > $TMPC <<EOF
6198     int main(void) { return 0; }
6199 EOF
6200     wx_ldflags="-Wl,-z,wxneeded"
6201     if compile_prog "" "$wx_ldflags"; then
6202         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6203     fi
6204 fi
6205
6206 qemu_confdir=$sysconfdir$confsuffix
6207 qemu_moddir=$libdir$confsuffix
6208 qemu_datadir=$datadir$confsuffix
6209 qemu_localedir="$datadir/locale"
6210 qemu_icondir="$datadir/icons"
6211 qemu_desktopdir="$datadir/applications"
6212
6213 # We can only support ivshmem if we have eventfd
6214 if [ "$eventfd" = "yes" ]; then
6215   ivshmem=yes
6216 fi
6217
6218 tools=""
6219 if test "$want_tools" = "yes" ; then
6220   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6221   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6222     tools="qemu-nbd\$(EXESUF) $tools"
6223   fi
6224   if [ "$ivshmem" = "yes" ]; then
6225     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6226   fi
6227   if [ "$curl" = "yes" ]; then
6228       tools="elf2dmp\$(EXESUF) $tools"
6229   fi
6230 fi
6231 if test "$softmmu" = yes ; then
6232   if test "$linux" = yes; then
6233     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6234       virtfs=yes
6235       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6236     else
6237       if test "$virtfs" = yes; then
6238         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6239       fi
6240       virtfs=no
6241     fi
6242     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6243       mpath=yes
6244     else
6245       if test "$mpath" = yes; then
6246         error_exit "Multipath requires libmpathpersist devel"
6247       fi
6248       mpath=no
6249     fi
6250     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6251   else
6252     if test "$virtfs" = yes; then
6253       error_exit "VirtFS is supported only on Linux"
6254     fi
6255     virtfs=no
6256     if test "$mpath" = yes; then
6257       error_exit "Multipath is supported only on Linux"
6258     fi
6259     mpath=no
6260   fi
6261   if test "$xkbcommon" = "yes"; then
6262     tools="qemu-keymap\$(EXESUF) $tools"
6263   fi
6264 fi
6265
6266 # Probe for guest agent support/options
6267
6268 if [ "$guest_agent" != "no" ]; then
6269   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6270       guest_agent=no
6271   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6272       tools="qemu-ga\$(EXESUF) $tools"
6273       guest_agent=yes
6274   elif [ "$guest_agent" != yes ]; then
6275       guest_agent=no
6276   else
6277       error_exit "Guest agent is not supported on this platform"
6278   fi
6279 fi
6280
6281 # Guest agent Window MSI  package
6282
6283 if test "$guest_agent" != yes; then
6284   if test "$guest_agent_msi" = yes; then
6285     error_exit "MSI guest agent package requires guest agent enabled"
6286   fi
6287   guest_agent_msi=no
6288 elif test "$mingw32" != "yes"; then
6289   if test "$guest_agent_msi" = "yes"; then
6290     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6291   fi
6292   guest_agent_msi=no
6293 elif ! has wixl; then
6294   if test "$guest_agent_msi" = "yes"; then
6295     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6296   fi
6297   guest_agent_msi=no
6298 else
6299   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6300   # disabled explicitly
6301   if test "$guest_agent_msi" != "no"; then
6302     guest_agent_msi=yes
6303   fi
6304 fi
6305
6306 if test "$guest_agent_msi" = "yes"; then
6307   if test "$guest_agent_with_vss" = "yes"; then
6308     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6309   fi
6310
6311   if test "$QEMU_GA_MANUFACTURER" = ""; then
6312     QEMU_GA_MANUFACTURER=QEMU
6313   fi
6314
6315   if test "$QEMU_GA_DISTRO" = ""; then
6316     QEMU_GA_DISTRO=Linux
6317   fi
6318
6319   if test "$QEMU_GA_VERSION" = ""; then
6320       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6321   fi
6322
6323   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6324
6325   case "$cpu" in
6326   x86_64)
6327     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6328     ;;
6329   i386)
6330     QEMU_GA_MSI_ARCH="-D Arch=32"
6331     ;;
6332   *)
6333     error_exit "CPU $cpu not supported for building installation package"
6334     ;;
6335   esac
6336 fi
6337
6338 # Mac OS X ships with a broken assembler
6339 roms=
6340 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6341         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6342         test "$softmmu" = yes ; then
6343     # Different host OS linkers have different ideas about the name of the ELF
6344     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6345     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6346     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6347         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6348             ld_i386_emulation="$emu"
6349             roms="optionrom"
6350             break
6351         fi
6352     done
6353 fi
6354
6355 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6356 if test "$cpu" = "s390x" ; then
6357   write_c_skeleton
6358   if compile_prog "-march=z900" ""; then
6359     roms="$roms s390-ccw"
6360   fi
6361 fi
6362
6363 # Probe for the need for relocating the user-only binary.
6364 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6365   textseg_addr=
6366   case "$cpu" in
6367     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6368       # ??? Rationale for choosing this address
6369       textseg_addr=0x60000000
6370       ;;
6371     mips)
6372       # A 256M aligned address, high in the address space, with enough
6373       # room for the code_gen_buffer above it before the stack.
6374       textseg_addr=0x60000000
6375       ;;
6376   esac
6377   if [ -n "$textseg_addr" ]; then
6378     cat > $TMPC <<EOF
6379     int main(void) { return 0; }
6380 EOF
6381     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6382     if ! compile_prog "" "$textseg_ldflags"; then
6383       # In case ld does not support -Ttext-segment, edit the default linker
6384       # script via sed to set the .text start addr.  This is needed on FreeBSD
6385       # at least.
6386       if ! $ld --verbose >/dev/null 2>&1; then
6387         error_exit \
6388             "We need to link the QEMU user mode binaries at a" \
6389             "specific text address. Unfortunately your linker" \
6390             "doesn't support either the -Ttext-segment option or" \
6391             "printing the default linker script with --verbose." \
6392             "If you don't want the user mode binaries, pass the" \
6393             "--disable-user option to configure."
6394       fi
6395
6396       $ld --verbose | sed \
6397         -e '1,/==================================================/d' \
6398         -e '/==================================================/,$d' \
6399         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6400         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6401       textseg_ldflags="-Wl,-T../config-host.ld"
6402     fi
6403   fi
6404 fi
6405
6406 # Check that the C++ compiler exists and works with the C compiler.
6407 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6408 if has $cxx; then
6409     cat > $TMPC <<EOF
6410 int c_function(void);
6411 int main(void) { return c_function(); }
6412 EOF
6413
6414     compile_object
6415
6416     cat > $TMPCXX <<EOF
6417 extern "C" {
6418    int c_function(void);
6419 }
6420 int c_function(void) { return 42; }
6421 EOF
6422
6423     update_cxxflags
6424
6425     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6426         # C++ compiler $cxx works ok with C compiler $cc
6427         :
6428     else
6429         echo "C++ compiler $cxx does not work with C compiler $cc"
6430         echo "Disabling C++ specific optional code"
6431         cxx=
6432     fi
6433 else
6434     echo "No C++ compiler available; disabling C++ specific optional code"
6435     cxx=
6436 fi
6437
6438 echo_version() {
6439     if test "$1" = "yes" ; then
6440         echo "($2)"
6441     fi
6442 }
6443
6444 # prepend pixman and ftd flags after all config tests are done
6445 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6446 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6447 libs_softmmu="$pixman_libs $libs_softmmu"
6448
6449 echo "Install prefix    $prefix"
6450 echo "BIOS directory    $(eval echo $qemu_datadir)"
6451 echo "firmware path     $(eval echo $firmwarepath)"
6452 echo "binary directory  $(eval echo $bindir)"
6453 echo "library directory $(eval echo $libdir)"
6454 echo "module directory  $(eval echo $qemu_moddir)"
6455 echo "libexec directory $(eval echo $libexecdir)"
6456 echo "include directory $(eval echo $includedir)"
6457 echo "config directory  $(eval echo $sysconfdir)"
6458 if test "$mingw32" = "no" ; then
6459 echo "local state directory   $(eval echo $local_statedir)"
6460 echo "Manual directory  $(eval echo $mandir)"
6461 echo "ELF interp prefix $interp_prefix"
6462 else
6463 echo "local state directory   queried at runtime"
6464 echo "Windows SDK       $win_sdk"
6465 fi
6466 echo "Build directory   $(pwd)"
6467 echo "Source path       $source_path"
6468 echo "GIT binary        $git"
6469 echo "GIT submodules    $git_submodules"
6470 echo "C compiler        $cc"
6471 echo "Host C compiler   $host_cc"
6472 echo "C++ compiler      $cxx"
6473 echo "Objective-C compiler $objcc"
6474 echo "ARFLAGS           $ARFLAGS"
6475 echo "CFLAGS            $CFLAGS"
6476 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6477 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6478 echo "make              $make"
6479 echo "install           $install"
6480 echo "python            $python ($python_version)"
6481 if test "$docs" != "no"; then
6482     echo "sphinx-build      $sphinx_build"
6483 fi
6484 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6485 if test "$slirp" != "no" ; then
6486     echo "smbd              $smbd"
6487 fi
6488 echo "module support    $modules"
6489 echo "host CPU          $cpu"
6490 echo "host big endian   $bigendian"
6491 echo "target list       $target_list"
6492 echo "gprof enabled     $gprof"
6493 echo "sparse enabled    $sparse"
6494 echo "strip binaries    $strip_opt"
6495 echo "profiler          $profiler"
6496 echo "static build      $static"
6497 if test "$darwin" = "yes" ; then
6498     echo "Cocoa support     $cocoa"
6499 fi
6500 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6501 echo "SDL image support $sdl_image"
6502 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6503 echo "GTK GL support    $gtk_gl"
6504 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6505 echo "TLS priority      $tls_priority"
6506 echo "GNUTLS support    $gnutls"
6507 echo "libgcrypt         $gcrypt"
6508 if test "$gcrypt" = "yes"
6509 then
6510    echo "  hmac            $gcrypt_hmac"
6511    echo "  XTS             $gcrypt_xts"
6512 fi
6513 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6514 if test "$nettle" = "yes"
6515 then
6516    echo "  XTS             $nettle_xts"
6517 fi
6518 echo "libtasn1          $tasn1"
6519 echo "PAM               $auth_pam"
6520 echo "iconv support     $iconv"
6521 echo "curses support    $curses"
6522 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6523 echo "curl support      $curl"
6524 echo "mingw32 support   $mingw32"
6525 echo "Audio drivers     $audio_drv_list"
6526 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6527 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6528 echo "VirtFS support    $virtfs"
6529 echo "Multipath support $mpath"
6530 echo "VNC support       $vnc"
6531 if test "$vnc" = "yes" ; then
6532     echo "VNC SASL support  $vnc_sasl"
6533     echo "VNC JPEG support  $vnc_jpeg"
6534     echo "VNC PNG support   $vnc_png"
6535 fi
6536 echo "xen support       $xen"
6537 if test "$xen" = "yes" ; then
6538   echo "xen ctrl version  $xen_ctrl_version"
6539 fi
6540 echo "brlapi support    $brlapi"
6541 echo "Documentation     $docs"
6542 echo "PIE               $pie"
6543 echo "vde support       $vde"
6544 echo "netmap support    $netmap"
6545 echo "Linux AIO support $linux_aio"
6546 echo "Linux io_uring support $linux_io_uring"
6547 echo "ATTR/XATTR support $attr"
6548 echo "Install blobs     $blobs"
6549 echo "KVM support       $kvm"
6550 echo "HAX support       $hax"
6551 echo "HVF support       $hvf"
6552 echo "WHPX support      $whpx"
6553 echo "TCG support       $tcg"
6554 if test "$tcg" = "yes" ; then
6555     echo "TCG debug enabled $debug_tcg"
6556     echo "TCG interpreter   $tcg_interpreter"
6557 fi
6558 echo "malloc trim support $malloc_trim"
6559 echo "RDMA support      $rdma"
6560 echo "PVRDMA support    $pvrdma"
6561 echo "fdt support       $fdt"
6562 echo "membarrier        $membarrier"
6563 echo "preadv support    $preadv"
6564 echo "fdatasync         $fdatasync"
6565 echo "madvise           $madvise"
6566 echo "posix_madvise     $posix_madvise"
6567 echo "posix_memalign    $posix_memalign"
6568 echo "libcap-ng support $cap_ng"
6569 echo "vhost-net support $vhost_net"
6570 echo "vhost-crypto support $vhost_crypto"
6571 echo "vhost-scsi support $vhost_scsi"
6572 echo "vhost-vsock support $vhost_vsock"
6573 echo "vhost-user support $vhost_user"
6574 echo "vhost-user-fs support $vhost_user_fs"
6575 echo "Trace backends    $trace_backends"
6576 if have_backend "simple"; then
6577 echo "Trace output file $trace_file-<pid>"
6578 fi
6579 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6580 echo "rbd support       $rbd"
6581 echo "xfsctl support    $xfs"
6582 echo "smartcard support $smartcard"
6583 echo "libusb            $libusb"
6584 echo "usb net redir     $usb_redir"
6585 echo "OpenGL support    $opengl"
6586 echo "OpenGL dmabufs    $opengl_dmabuf"
6587 echo "libiscsi support  $libiscsi"
6588 echo "libnfs support    $libnfs"
6589 echo "build guest agent $guest_agent"
6590 echo "QGA VSS support   $guest_agent_with_vss"
6591 echo "QGA w32 disk info $guest_agent_ntddscsi"
6592 echo "QGA MSI support   $guest_agent_msi"
6593 echo "seccomp support   $seccomp"
6594 echo "coroutine backend $coroutine"
6595 echo "coroutine pool    $coroutine_pool"
6596 echo "debug stack usage $debug_stack_usage"
6597 echo "mutex debugging   $debug_mutex"
6598 echo "crypto afalg      $crypto_afalg"
6599 echo "GlusterFS support $glusterfs"
6600 echo "gcov              $gcov_tool"
6601 echo "gcov enabled      $gcov"
6602 echo "TPM support       $tpm"
6603 echo "libssh support    $libssh"
6604 echo "QOM debugging     $qom_cast_debug"
6605 echo "Live block migration $live_block_migration"
6606 echo "lzo support       $lzo"
6607 echo "snappy support    $snappy"
6608 echo "bzip2 support     $bzip2"
6609 echo "lzfse support     $lzfse"
6610 echo "NUMA host support $numa"
6611 echo "libxml2           $libxml2"
6612 echo "tcmalloc support  $tcmalloc"
6613 echo "jemalloc support  $jemalloc"
6614 echo "avx2 optimization $avx2_opt"
6615 echo "replication support $replication"
6616 echo "VxHS block device $vxhs"
6617 echo "bochs support     $bochs"
6618 echo "cloop support     $cloop"
6619 echo "dmg support       $dmg"
6620 echo "qcow v1 support   $qcow1"
6621 echo "vdi support       $vdi"
6622 echo "vvfat support     $vvfat"
6623 echo "qed support       $qed"
6624 echo "parallels support $parallels"
6625 echo "sheepdog support  $sheepdog"
6626 echo "capstone          $capstone"
6627 echo "libpmem support   $libpmem"
6628 echo "libudev           $libudev"
6629 echo "default devices   $default_devices"
6630 echo "plugin support    $plugins"
6631
6632 if test "$supported_cpu" = "no"; then
6633     echo
6634     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6635     echo
6636     echo "CPU host architecture $cpu support is not currently maintained."
6637     echo "The QEMU project intends to remove support for this host CPU in"
6638     echo "a future release if nobody volunteers to maintain it and to"
6639     echo "provide a build host for our continuous integration setup."
6640     echo "configure has succeeded and you can continue to build, but"
6641     echo "if you care about QEMU on this platform you should contact"
6642     echo "us upstream at qemu-devel@nongnu.org."
6643 fi
6644
6645 if test "$supported_os" = "no"; then
6646     echo
6647     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6648     echo
6649     echo "Host OS $targetos support is not currently maintained."
6650     echo "The QEMU project intends to remove support for this host OS in"
6651     echo "a future release if nobody volunteers to maintain it and to"
6652     echo "provide a build host for our continuous integration setup."
6653     echo "configure has succeeded and you can continue to build, but"
6654     echo "if you care about QEMU on this platform you should contact"
6655     echo "us upstream at qemu-devel@nongnu.org."
6656 fi
6657
6658 config_host_mak="config-host.mak"
6659
6660 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6661
6662 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6663 echo >> $config_host_mak
6664
6665 echo all: >> $config_host_mak
6666 echo "prefix=$prefix" >> $config_host_mak
6667 echo "bindir=$bindir" >> $config_host_mak
6668 echo "libdir=$libdir" >> $config_host_mak
6669 echo "libexecdir=$libexecdir" >> $config_host_mak
6670 echo "includedir=$includedir" >> $config_host_mak
6671 echo "mandir=$mandir" >> $config_host_mak
6672 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6673 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6674 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6675 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6676 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6677 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6678 if test "$mingw32" = "no" ; then
6679   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6680 fi
6681 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6682 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6683 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6684 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6685 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6686 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6687 echo "GIT=$git" >> $config_host_mak
6688 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6689 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6690
6691 echo "ARCH=$ARCH" >> $config_host_mak
6692
6693 if test "$default_devices" = "yes" ; then
6694   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6695 else
6696   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6697 fi
6698 if test "$debug_tcg" = "yes" ; then
6699   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6700 fi
6701 if test "$strip_opt" = "yes" ; then
6702   echo "STRIP=${strip}" >> $config_host_mak
6703 fi
6704 if test "$bigendian" = "yes" ; then
6705   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6706 fi
6707 if test "$mingw32" = "yes" ; then
6708   echo "CONFIG_WIN32=y" >> $config_host_mak
6709   rc_version=$(cat $source_path/VERSION)
6710   version_major=${rc_version%%.*}
6711   rc_version=${rc_version#*.}
6712   version_minor=${rc_version%%.*}
6713   rc_version=${rc_version#*.}
6714   version_subminor=${rc_version%%.*}
6715   version_micro=0
6716   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6717   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6718   if test "$guest_agent_with_vss" = "yes" ; then
6719     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6720     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6721     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6722   fi
6723   if test "$guest_agent_ntddscsi" = "yes" ; then
6724     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6725   fi
6726   if test "$guest_agent_msi" = "yes"; then
6727     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6728     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6729     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6730     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6731     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6732     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6733     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6734   fi
6735 else
6736   echo "CONFIG_POSIX=y" >> $config_host_mak
6737 fi
6738
6739 if test "$linux" = "yes" ; then
6740   echo "CONFIG_LINUX=y" >> $config_host_mak
6741 fi
6742
6743 if test "$darwin" = "yes" ; then
6744   echo "CONFIG_DARWIN=y" >> $config_host_mak
6745 fi
6746
6747 if test "$solaris" = "yes" ; then
6748   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6749 fi
6750 if test "$haiku" = "yes" ; then
6751   echo "CONFIG_HAIKU=y" >> $config_host_mak
6752 fi
6753 if test "$static" = "yes" ; then
6754   echo "CONFIG_STATIC=y" >> $config_host_mak
6755 fi
6756 if test "$profiler" = "yes" ; then
6757   echo "CONFIG_PROFILER=y" >> $config_host_mak
6758 fi
6759 if test "$want_tools" = "yes" ; then
6760   echo "CONFIG_TOOLS=y" >> $config_host_mak
6761 fi
6762 if test "$slirp" != "no"; then
6763   echo "CONFIG_SLIRP=y" >> $config_host_mak
6764   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6765   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6766   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6767 fi
6768 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6769     echo "config-host.h: slirp/all" >> $config_host_mak
6770 fi
6771 if test "$vde" = "yes" ; then
6772   echo "CONFIG_VDE=y" >> $config_host_mak
6773   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6774 fi
6775 if test "$netmap" = "yes" ; then
6776   echo "CONFIG_NETMAP=y" >> $config_host_mak
6777 fi
6778 if test "$l2tpv3" = "yes" ; then
6779   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6780 fi
6781 if test "$gprof" = "yes" ; then
6782   echo "CONFIG_GPROF=y" >> $config_host_mak
6783 fi
6784 if test "$cap_ng" = "yes" ; then
6785   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6786 fi
6787 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6788 for drv in $audio_drv_list; do
6789     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6790     case "$drv" in
6791         alsa | oss | pa | sdl)
6792             echo "$def=m" >> $config_host_mak ;;
6793         *)
6794             echo "$def=y" >> $config_host_mak ;;
6795     esac
6796 done
6797 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6798 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6799 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6800 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6801 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6802 if test "$audio_win_int" = "yes" ; then
6803   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6804 fi
6805 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6806 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6807 if test "$vnc" = "yes" ; then
6808   echo "CONFIG_VNC=y" >> $config_host_mak
6809 fi
6810 if test "$vnc_sasl" = "yes" ; then
6811   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6812 fi
6813 if test "$vnc_jpeg" = "yes" ; then
6814   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6815 fi
6816 if test "$vnc_png" = "yes" ; then
6817   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6818 fi
6819 if test "$xkbcommon" = "yes" ; then
6820   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6821   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6822 fi
6823 if test "$xfs" = "yes" ; then
6824   echo "CONFIG_XFS=y" >> $config_host_mak
6825 fi
6826 qemu_version=$(head $source_path/VERSION)
6827 echo "VERSION=$qemu_version" >>$config_host_mak
6828 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6829 echo "SRC_PATH=$source_path" >> $config_host_mak
6830 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6831 if [ "$docs" = "yes" ] ; then
6832   echo "BUILD_DOCS=yes" >> $config_host_mak
6833 fi
6834 if test "$modules" = "yes"; then
6835   # $shacmd can generate a hash started with digit, which the compiler doesn't
6836   # like as an symbol. So prefix it with an underscore
6837   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6838   echo "CONFIG_MODULES=y" >> $config_host_mak
6839 fi
6840 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6841   echo "CONFIG_X11=y" >> $config_host_mak
6842   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6843   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6844 fi
6845 if test "$sdl" = "yes" ; then
6846   echo "CONFIG_SDL=m" >> $config_host_mak
6847   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6848   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6849   if test "$sdl_image" = "yes" ; then
6850       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6851   fi
6852 fi
6853 if test "$cocoa" = "yes" ; then
6854   echo "CONFIG_COCOA=y" >> $config_host_mak
6855 fi
6856 if test "$iconv" = "yes" ; then
6857   echo "CONFIG_ICONV=y" >> $config_host_mak
6858   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6859   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6860 fi
6861 if test "$curses" = "yes" ; then
6862   echo "CONFIG_CURSES=m" >> $config_host_mak
6863   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6864   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6865 fi
6866 if test "$pipe2" = "yes" ; then
6867   echo "CONFIG_PIPE2=y" >> $config_host_mak
6868 fi
6869 if test "$accept4" = "yes" ; then
6870   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6871 fi
6872 if test "$splice" = "yes" ; then
6873   echo "CONFIG_SPLICE=y" >> $config_host_mak
6874 fi
6875 if test "$eventfd" = "yes" ; then
6876   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6877 fi
6878 if test "$memfd" = "yes" ; then
6879   echo "CONFIG_MEMFD=y" >> $config_host_mak
6880 fi
6881 if test "$have_usbfs" = "yes" ; then
6882   echo "CONFIG_USBFS=y" >> $config_host_mak
6883 fi
6884 if test "$fallocate" = "yes" ; then
6885   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6886 fi
6887 if test "$fallocate_punch_hole" = "yes" ; then
6888   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6889 fi
6890 if test "$fallocate_zero_range" = "yes" ; then
6891   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6892 fi
6893 if test "$posix_fallocate" = "yes" ; then
6894   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6895 fi
6896 if test "$sync_file_range" = "yes" ; then
6897   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6898 fi
6899 if test "$fiemap" = "yes" ; then
6900   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6901 fi
6902 if test "$dup3" = "yes" ; then
6903   echo "CONFIG_DUP3=y" >> $config_host_mak
6904 fi
6905 if test "$ppoll" = "yes" ; then
6906   echo "CONFIG_PPOLL=y" >> $config_host_mak
6907 fi
6908 if test "$prctl_pr_set_timerslack" = "yes" ; then
6909   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6910 fi
6911 if test "$epoll" = "yes" ; then
6912   echo "CONFIG_EPOLL=y" >> $config_host_mak
6913 fi
6914 if test "$epoll_create1" = "yes" ; then
6915   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6916 fi
6917 if test "$sendfile" = "yes" ; then
6918   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6919 fi
6920 if test "$timerfd" = "yes" ; then
6921   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6922 fi
6923 if test "$setns" = "yes" ; then
6924   echo "CONFIG_SETNS=y" >> $config_host_mak
6925 fi
6926 if test "$clock_adjtime" = "yes" ; then
6927   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6928 fi
6929 if test "$syncfs" = "yes" ; then
6930   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6931 fi
6932 if test "$kcov" = "yes" ; then
6933   echo "CONFIG_KCOV=y" >> $config_host_mak
6934 fi
6935 if test "$inotify" = "yes" ; then
6936   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6937 fi
6938 if test "$inotify1" = "yes" ; then
6939   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6940 fi
6941 if test "$sem_timedwait" = "yes" ; then
6942   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6943 fi
6944 if test "$strchrnul" = "yes" ; then
6945   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6946 fi
6947 if test "$st_atim" = "yes" ; then
6948   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6949 fi
6950 if test "$byteswap_h" = "yes" ; then
6951   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6952 fi
6953 if test "$bswap_h" = "yes" ; then
6954   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6955 fi
6956 if test "$curl" = "yes" ; then
6957   echo "CONFIG_CURL=m" >> $config_host_mak
6958   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6959   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6960 fi
6961 if test "$brlapi" = "yes" ; then
6962   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6963   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6964 fi
6965 if test "$gtk" = "yes" ; then
6966   echo "CONFIG_GTK=m" >> $config_host_mak
6967   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6968   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6969   if test "$gtk_gl" = "yes" ; then
6970     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6971   fi
6972 fi
6973 if test "$gio" = "yes" ; then
6974     echo "CONFIG_GIO=y" >> $config_host_mak
6975     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6976     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6977     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6978 fi
6979 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6980 if test "$gnutls" = "yes" ; then
6981   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6982 fi
6983 if test "$gcrypt" = "yes" ; then
6984   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6985   if test "$gcrypt_hmac" = "yes" ; then
6986     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6987   fi
6988 fi
6989 if test "$nettle" = "yes" ; then
6990   echo "CONFIG_NETTLE=y" >> $config_host_mak
6991   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6992 fi
6993 if test "$qemu_private_xts" = "yes" ; then
6994   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6995 fi
6996 if test "$tasn1" = "yes" ; then
6997   echo "CONFIG_TASN1=y" >> $config_host_mak
6998 fi
6999 if test "$auth_pam" = "yes" ; then
7000     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
7001 fi
7002 if test "$have_ifaddrs_h" = "yes" ; then
7003     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
7004 fi
7005 if test "$have_broken_size_max" = "yes" ; then
7006     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
7007 fi
7008
7009 # Work around a system header bug with some kernel/XFS header
7010 # versions where they both try to define 'struct fsxattr':
7011 # xfs headers will not try to redefine structs from linux headers
7012 # if this macro is set.
7013 if test "$have_fsxattr" = "yes" ; then
7014     echo "HAVE_FSXATTR=y" >> $config_host_mak
7015 fi
7016 if test "$have_copy_file_range" = "yes" ; then
7017     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7018 fi
7019 if test "$vte" = "yes" ; then
7020   echo "CONFIG_VTE=y" >> $config_host_mak
7021   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7022   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7023 fi
7024 if test "$virglrenderer" = "yes" ; then
7025   echo "CONFIG_VIRGL=y" >> $config_host_mak
7026   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7027   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7028 fi
7029 if test "$xen" = "yes" ; then
7030   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7031   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7032 fi
7033 if test "$linux_aio" = "yes" ; then
7034   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7035 fi
7036 if test "$linux_io_uring" = "yes" ; then
7037   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7038   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7039   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7040 fi
7041 if test "$attr" = "yes" ; then
7042   echo "CONFIG_ATTR=y" >> $config_host_mak
7043 fi
7044 if test "$libattr" = "yes" ; then
7045   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7046 fi
7047 if test "$virtfs" = "yes" ; then
7048   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7049 fi
7050 if test "$mpath" = "yes" ; then
7051   echo "CONFIG_MPATH=y" >> $config_host_mak
7052   if test "$mpathpersist_new_api" = "yes"; then
7053     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7054   fi
7055 fi
7056 if test "$vhost_scsi" = "yes" ; then
7057   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7058 fi
7059 if test "$vhost_net" = "yes" ; then
7060   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7061 fi
7062 if test "$vhost_net_user" = "yes" ; then
7063   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7064 fi
7065 if test "$vhost_crypto" = "yes" ; then
7066   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7067 fi
7068 if test "$vhost_vsock" = "yes" ; then
7069   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7070 fi
7071 if test "$vhost_kernel" = "yes" ; then
7072   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7073 fi
7074 if test "$vhost_user" = "yes" ; then
7075   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7076 fi
7077 if test "$vhost_user_fs" = "yes" ; then
7078   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7079 fi
7080 if test "$blobs" = "yes" ; then
7081   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7082 fi
7083 if test "$iovec" = "yes" ; then
7084   echo "CONFIG_IOVEC=y" >> $config_host_mak
7085 fi
7086 if test "$preadv" = "yes" ; then
7087   echo "CONFIG_PREADV=y" >> $config_host_mak
7088 fi
7089 if test "$fdt" != "no" ; then
7090   echo "CONFIG_FDT=y" >> $config_host_mak
7091 fi
7092 if test "$membarrier" = "yes" ; then
7093   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7094 fi
7095 if test "$signalfd" = "yes" ; then
7096   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7097 fi
7098 if test "$optreset" = "yes" ; then
7099   echo "HAVE_OPTRESET=y" >> $config_host_mak
7100 fi
7101 if test "$tcg" = "yes"; then
7102   echo "CONFIG_TCG=y" >> $config_host_mak
7103   if test "$tcg_interpreter" = "yes" ; then
7104     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7105   fi
7106 fi
7107 if test "$fdatasync" = "yes" ; then
7108   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7109 fi
7110 if test "$madvise" = "yes" ; then
7111   echo "CONFIG_MADVISE=y" >> $config_host_mak
7112 fi
7113 if test "$posix_madvise" = "yes" ; then
7114   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7115 fi
7116 if test "$posix_memalign" = "yes" ; then
7117   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7118 fi
7119
7120 if test "$spice" = "yes" ; then
7121   echo "CONFIG_SPICE=y" >> $config_host_mak
7122 fi
7123
7124 if test "$smartcard" = "yes" ; then
7125   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7126   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7127   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7128 fi
7129
7130 if test "$libusb" = "yes" ; then
7131   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7132   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7133   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7134 fi
7135
7136 if test "$usb_redir" = "yes" ; then
7137   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7138   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7139   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7140 fi
7141
7142 if test "$opengl" = "yes" ; then
7143   echo "CONFIG_OPENGL=y" >> $config_host_mak
7144   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7145   if test "$opengl_dmabuf" = "yes" ; then
7146     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7147   fi
7148 fi
7149
7150 if test "$gbm" = "yes" ; then
7151     echo "CONFIG_GBM=y" >> $config_host_mak
7152     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7153     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7154 fi
7155
7156
7157 if test "$malloc_trim" = "yes" ; then
7158   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7159 fi
7160
7161 if test "$avx2_opt" = "yes" ; then
7162   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7163 fi
7164
7165 if test "$lzo" = "yes" ; then
7166   echo "CONFIG_LZO=y" >> $config_host_mak
7167 fi
7168
7169 if test "$snappy" = "yes" ; then
7170   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7171 fi
7172
7173 if test "$bzip2" = "yes" ; then
7174   echo "CONFIG_BZIP2=y" >> $config_host_mak
7175   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7176 fi
7177
7178 if test "$lzfse" = "yes" ; then
7179   echo "CONFIG_LZFSE=y" >> $config_host_mak
7180   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7181 fi
7182
7183 if test "$libiscsi" = "yes" ; then
7184   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7185   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7186   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7187 fi
7188
7189 if test "$libnfs" = "yes" ; then
7190   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7191   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7192 fi
7193
7194 if test "$seccomp" = "yes"; then
7195   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7196   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7197   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7198 fi
7199
7200 # XXX: suppress that
7201 if [ "$bsd" = "yes" ] ; then
7202   echo "CONFIG_BSD=y" >> $config_host_mak
7203 fi
7204
7205 if test "$localtime_r" = "yes" ; then
7206   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7207 fi
7208 if test "$qom_cast_debug" = "yes" ; then
7209   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7210 fi
7211 if test "$rbd" = "yes" ; then
7212   echo "CONFIG_RBD=m" >> $config_host_mak
7213   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7214   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7215 fi
7216
7217 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7218 if test "$coroutine_pool" = "yes" ; then
7219   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7220 else
7221   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7222 fi
7223
7224 if test "$debug_stack_usage" = "yes" ; then
7225   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7226 fi
7227
7228 if test "$crypto_afalg" = "yes" ; then
7229   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7230 fi
7231
7232 if test "$open_by_handle_at" = "yes" ; then
7233   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7234 fi
7235
7236 if test "$linux_magic_h" = "yes" ; then
7237   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7238 fi
7239
7240 if test "$pragma_diagnostic_available" = "yes" ; then
7241   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7242 fi
7243
7244 if test "$valgrind_h" = "yes" ; then
7245   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7246 fi
7247
7248 if test "$have_asan_iface_fiber" = "yes" ; then
7249     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7250 fi
7251
7252 if test "$has_environ" = "yes" ; then
7253   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7254 fi
7255
7256 if test "$cpuid_h" = "yes" ; then
7257   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7258 fi
7259
7260 if test "$int128" = "yes" ; then
7261   echo "CONFIG_INT128=y" >> $config_host_mak
7262 fi
7263
7264 if test "$atomic128" = "yes" ; then
7265   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7266 fi
7267
7268 if test "$cmpxchg128" = "yes" ; then
7269   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7270 fi
7271
7272 if test "$atomic64" = "yes" ; then
7273   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7274 fi
7275
7276 if test "$vector16" = "yes" ; then
7277   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7278 fi
7279
7280 if test "$attralias" = "yes" ; then
7281   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7282 fi
7283
7284 if test "$getauxval" = "yes" ; then
7285   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7286 fi
7287
7288 if test "$glusterfs" = "yes" ; then
7289   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7290   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7291   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7292 fi
7293
7294 if test "$glusterfs_xlator_opt" = "yes" ; then
7295   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7296 fi
7297
7298 if test "$glusterfs_discard" = "yes" ; then
7299   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7300 fi
7301
7302 if test "$glusterfs_fallocate" = "yes" ; then
7303   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7304 fi
7305
7306 if test "$glusterfs_zerofill" = "yes" ; then
7307   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7308 fi
7309
7310 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7311   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7312 fi
7313
7314 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7315   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7316 fi
7317
7318 if test "$libssh" = "yes" ; then
7319   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7320   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7321   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7322 fi
7323
7324 if test "$live_block_migration" = "yes" ; then
7325   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7326 fi
7327
7328 if test "$tpm" = "yes"; then
7329   echo 'CONFIG_TPM=y' >> $config_host_mak
7330 fi
7331
7332 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7333 if have_backend "nop"; then
7334   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7335 fi
7336 if have_backend "simple"; then
7337   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7338   # Set the appropriate trace file.
7339   trace_file="\"$trace_file-\" FMT_pid"
7340 fi
7341 if have_backend "log"; then
7342   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7343 fi
7344 if have_backend "ust"; then
7345   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7346 fi
7347 if have_backend "dtrace"; then
7348   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7349   if test "$trace_backend_stap" = "yes" ; then
7350     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7351   fi
7352 fi
7353 if have_backend "ftrace"; then
7354   if test "$linux" = "yes" ; then
7355     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7356   else
7357     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7358   fi
7359 fi
7360 if have_backend "syslog"; then
7361   if test "$posix_syslog" = "yes" ; then
7362     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7363   else
7364     feature_not_found "syslog(trace backend)" "syslog not available"
7365   fi
7366 fi
7367 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7368
7369 if test "$rdma" = "yes" ; then
7370   echo "CONFIG_RDMA=y" >> $config_host_mak
7371   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7372 fi
7373
7374 if test "$pvrdma" = "yes" ; then
7375   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7376 fi
7377
7378 if test "$have_rtnetlink" = "yes" ; then
7379   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7380 fi
7381
7382 if test "$libxml2" = "yes" ; then
7383   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7384   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7385   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7386 fi
7387
7388 if test "$replication" = "yes" ; then
7389   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7390 fi
7391
7392 if test "$have_af_vsock" = "yes" ; then
7393   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7394 fi
7395
7396 if test "$have_sysmacros" = "yes" ; then
7397   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7398 fi
7399
7400 if test "$have_static_assert" = "yes" ; then
7401   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7402 fi
7403
7404 if test "$have_utmpx" = "yes" ; then
7405   echo "HAVE_UTMPX=y" >> $config_host_mak
7406 fi
7407 if test "$have_getrandom" = "yes" ; then
7408   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7409 fi
7410 if test "$ivshmem" = "yes" ; then
7411   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7412 fi
7413 if test "$capstone" != "no" ; then
7414   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7415 fi
7416 if test "$debug_mutex" = "yes" ; then
7417   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7418 fi
7419
7420 # Hold two types of flag:
7421 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7422 #                                     a thread we have a handle to
7423 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7424 #                                     platform
7425 if test "$pthread_setname_np_w_tid" = "yes" ; then
7426   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7427   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7428 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7429   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7430   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7431 fi
7432
7433 if test "$vxhs" = "yes" ; then
7434   echo "CONFIG_VXHS=y" >> $config_host_mak
7435   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7436 fi
7437
7438 if test "$libpmem" = "yes" ; then
7439   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7440 fi
7441
7442 if test "$bochs" = "yes" ; then
7443   echo "CONFIG_BOCHS=y" >> $config_host_mak
7444 fi
7445 if test "$cloop" = "yes" ; then
7446   echo "CONFIG_CLOOP=y" >> $config_host_mak
7447 fi
7448 if test "$dmg" = "yes" ; then
7449   echo "CONFIG_DMG=y" >> $config_host_mak
7450 fi
7451 if test "$qcow1" = "yes" ; then
7452   echo "CONFIG_QCOW1=y" >> $config_host_mak
7453 fi
7454 if test "$vdi" = "yes" ; then
7455   echo "CONFIG_VDI=y" >> $config_host_mak
7456 fi
7457 if test "$vvfat" = "yes" ; then
7458   echo "CONFIG_VVFAT=y" >> $config_host_mak
7459 fi
7460 if test "$qed" = "yes" ; then
7461   echo "CONFIG_QED=y" >> $config_host_mak
7462 fi
7463 if test "$parallels" = "yes" ; then
7464   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7465 fi
7466 if test "$sheepdog" = "yes" ; then
7467   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7468 fi
7469
7470 if test "$plugins" = "yes" ; then
7471     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7472     LIBS="-ldl $LIBS"
7473     # Copy the export object list to the build dir
7474     if test "$ld_dynamic_list" = "yes" ; then
7475         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7476         ld_symbols=qemu-plugins-ld.symbols
7477         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7478     elif test "$ld_exported_symbols_list" = "yes" ; then
7479         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7480         ld64_symbols=qemu-plugins-ld64.symbols
7481         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7482         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7483             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7484     else
7485         error_exit \
7486             "If \$plugins=yes, either \$ld_dynamic_list or " \
7487             "\$ld_exported_symbols_list should have been set to 'yes'."
7488     fi
7489 fi
7490
7491 if test "$tcg_interpreter" = "yes"; then
7492   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7493 elif test "$ARCH" = "sparc64" ; then
7494   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7495 elif test "$ARCH" = "s390x" ; then
7496   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7497 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7498   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7499 elif test "$ARCH" = "ppc64" ; then
7500   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7501 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7502   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7503 else
7504   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7505 fi
7506
7507 echo "TOOLS=$tools" >> $config_host_mak
7508 echo "ROMS=$roms" >> $config_host_mak
7509 echo "MAKE=$make" >> $config_host_mak
7510 echo "INSTALL=$install" >> $config_host_mak
7511 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7512 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7513 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7514 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7515 echo "PYTHON=$python" >> $config_host_mak
7516 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7517 echo "CC=$cc" >> $config_host_mak
7518 if $iasl -h > /dev/null 2>&1; then
7519   echo "IASL=$iasl" >> $config_host_mak
7520 fi
7521 echo "HOST_CC=$host_cc" >> $config_host_mak
7522 echo "CXX=$cxx" >> $config_host_mak
7523 echo "OBJCC=$objcc" >> $config_host_mak
7524 echo "AR=$ar" >> $config_host_mak
7525 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7526 echo "AS=$as" >> $config_host_mak
7527 echo "CCAS=$ccas" >> $config_host_mak
7528 echo "CPP=$cpp" >> $config_host_mak
7529 echo "OBJCOPY=$objcopy" >> $config_host_mak
7530 echo "LD=$ld" >> $config_host_mak
7531 echo "RANLIB=$ranlib" >> $config_host_mak
7532 echo "NM=$nm" >> $config_host_mak
7533 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7534 echo "WINDRES=$windres" >> $config_host_mak
7535 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7536 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7537 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7538 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7539 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7540 if test "$sparse" = "yes" ; then
7541   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7542   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7543   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7544   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7545   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7546 fi
7547 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7548 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7549 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7550 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7551 echo "LIBS+=$LIBS" >> $config_host_mak
7552 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7553 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7554 echo "EXESUF=$EXESUF" >> $config_host_mak
7555 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7556 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7557 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7558 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7559 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7560 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7561 if test "$gcov" = "yes" ; then
7562   echo "CONFIG_GCOV=y" >> $config_host_mak
7563   echo "GCOV=$gcov_tool" >> $config_host_mak
7564 fi
7565
7566 if test "$libudev" != "no"; then
7567     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7568     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7569 fi
7570
7571 if test "$edk2_blobs" = "yes" ; then
7572   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7573 fi
7574
7575 # use included Linux headers
7576 if test "$linux" = "yes" ; then
7577   mkdir -p linux-headers
7578   case "$cpu" in
7579   i386|x86_64|x32)
7580     linux_arch=x86
7581     ;;
7582   ppc|ppc64|ppc64le)
7583     linux_arch=powerpc
7584     ;;
7585   s390x)
7586     linux_arch=s390
7587     ;;
7588   aarch64)
7589     linux_arch=arm64
7590     ;;
7591   mips64)
7592     linux_arch=mips
7593     ;;
7594   *)
7595     # For most CPUs the kernel architecture name and QEMU CPU name match.
7596     linux_arch="$cpu"
7597     ;;
7598   esac
7599     # For non-KVM architectures we will not have asm headers
7600     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7601       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7602     fi
7603 fi
7604
7605 for target in $target_list; do
7606 target_dir="$target"
7607 config_target_mak=$target_dir/config-target.mak
7608 target_name=$(echo $target | cut -d '-' -f 1)
7609 target_aligned_only="no"
7610 case "$target_name" in
7611   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7612   target_aligned_only="yes"
7613   ;;
7614 esac
7615 target_bigendian="no"
7616 case "$target_name" in
7617   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7618   target_bigendian="yes"
7619   ;;
7620 esac
7621 target_softmmu="no"
7622 target_user_only="no"
7623 target_linux_user="no"
7624 target_bsd_user="no"
7625 case "$target" in
7626   ${target_name}-softmmu)
7627     target_softmmu="yes"
7628     ;;
7629   ${target_name}-linux-user)
7630     target_user_only="yes"
7631     target_linux_user="yes"
7632     ;;
7633   ${target_name}-bsd-user)
7634     target_user_only="yes"
7635     target_bsd_user="yes"
7636     ;;
7637   *)
7638     error_exit "Target '$target' not recognised"
7639     exit 1
7640     ;;
7641 esac
7642
7643 mkdir -p $target_dir
7644 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7645
7646 bflt="no"
7647 mttcg="no"
7648 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7649 gdb_xml_files=""
7650
7651 TARGET_ARCH="$target_name"
7652 TARGET_BASE_ARCH=""
7653 TARGET_ABI_DIR=""
7654
7655 case "$target_name" in
7656   i386)
7657     mttcg="yes"
7658         gdb_xml_files="i386-32bit.xml"
7659   ;;
7660   x86_64)
7661     TARGET_BASE_ARCH=i386
7662     mttcg="yes"
7663         gdb_xml_files="i386-64bit.xml"
7664   ;;
7665   alpha)
7666     mttcg="yes"
7667   ;;
7668   arm|armeb)
7669     TARGET_ARCH=arm
7670     bflt="yes"
7671     mttcg="yes"
7672     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7673   ;;
7674   aarch64|aarch64_be)
7675     TARGET_ARCH=aarch64
7676     TARGET_BASE_ARCH=arm
7677     bflt="yes"
7678     mttcg="yes"
7679     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7680   ;;
7681   cris)
7682   ;;
7683   hppa)
7684     mttcg="yes"
7685   ;;
7686   lm32)
7687   ;;
7688   m68k)
7689     bflt="yes"
7690     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7691   ;;
7692   microblaze|microblazeel)
7693     TARGET_ARCH=microblaze
7694     bflt="yes"
7695     echo "TARGET_ABI32=y" >> $config_target_mak
7696   ;;
7697   mips|mipsel)
7698     mttcg="yes"
7699     TARGET_ARCH=mips
7700     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7701   ;;
7702   mipsn32|mipsn32el)
7703     mttcg="yes"
7704     TARGET_ARCH=mips64
7705     TARGET_BASE_ARCH=mips
7706     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7707     echo "TARGET_ABI32=y" >> $config_target_mak
7708   ;;
7709   mips64|mips64el)
7710     mttcg="yes"
7711     TARGET_ARCH=mips64
7712     TARGET_BASE_ARCH=mips
7713     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7714   ;;
7715   moxie)
7716   ;;
7717   nios2)
7718   ;;
7719   or1k)
7720     TARGET_ARCH=openrisc
7721     TARGET_BASE_ARCH=openrisc
7722   ;;
7723   ppc)
7724     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7725   ;;
7726   ppc64)
7727     TARGET_BASE_ARCH=ppc
7728     TARGET_ABI_DIR=ppc
7729     mttcg=yes
7730     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7731   ;;
7732   ppc64le)
7733     TARGET_ARCH=ppc64
7734     TARGET_BASE_ARCH=ppc
7735     TARGET_ABI_DIR=ppc
7736     mttcg=yes
7737     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7738   ;;
7739   ppc64abi32)
7740     TARGET_ARCH=ppc64
7741     TARGET_BASE_ARCH=ppc
7742     TARGET_ABI_DIR=ppc
7743     echo "TARGET_ABI32=y" >> $config_target_mak
7744     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7745   ;;
7746   riscv32)
7747     TARGET_BASE_ARCH=riscv
7748     TARGET_ABI_DIR=riscv
7749     mttcg=yes
7750     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7751   ;;
7752   riscv64)
7753     TARGET_BASE_ARCH=riscv
7754     TARGET_ABI_DIR=riscv
7755     mttcg=yes
7756     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7757   ;;
7758   sh4|sh4eb)
7759     TARGET_ARCH=sh4
7760     bflt="yes"
7761   ;;
7762   sparc)
7763   ;;
7764   sparc64)
7765     TARGET_BASE_ARCH=sparc
7766   ;;
7767   sparc32plus)
7768     TARGET_ARCH=sparc64
7769     TARGET_BASE_ARCH=sparc
7770     TARGET_ABI_DIR=sparc
7771     echo "TARGET_ABI32=y" >> $config_target_mak
7772   ;;
7773   s390x)
7774     mttcg=yes
7775     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7776   ;;
7777   tilegx)
7778   ;;
7779   tricore)
7780   ;;
7781   unicore32)
7782   ;;
7783   xtensa|xtensaeb)
7784     TARGET_ARCH=xtensa
7785     bflt="yes"
7786     mttcg="yes"
7787   ;;
7788   *)
7789     error_exit "Unsupported target CPU"
7790   ;;
7791 esac
7792 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7793 if [ "$TARGET_BASE_ARCH" = "" ]; then
7794   TARGET_BASE_ARCH=$TARGET_ARCH
7795 fi
7796
7797 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7798
7799 upper() {
7800     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7801 }
7802
7803 target_arch_name="$(upper $TARGET_ARCH)"
7804 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7805 echo "TARGET_NAME=$target_name" >> $config_target_mak
7806 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7807 if [ "$TARGET_ABI_DIR" = "" ]; then
7808   TARGET_ABI_DIR=$TARGET_ARCH
7809 fi
7810 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7811 if [ "$HOST_VARIANT_DIR" != "" ]; then
7812     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7813 fi
7814
7815 if supported_xen_target $target; then
7816     echo "CONFIG_XEN=y" >> $config_target_mak
7817     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7818     if test "$xen_pci_passthrough" = yes; then
7819         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7820     fi
7821 else
7822     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7823 fi
7824 if supported_kvm_target $target; then
7825     echo "CONFIG_KVM=y" >> $config_target_mak
7826     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7827 else
7828     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7829 fi
7830 if supported_hax_target $target; then
7831     echo "CONFIG_HAX=y" >> $config_target_mak
7832 fi
7833 if supported_hvf_target $target; then
7834     echo "CONFIG_HVF=y" >> $config_target_mak
7835 fi
7836 if supported_whpx_target $target; then
7837     echo "CONFIG_WHPX=y" >> $config_target_mak
7838 fi
7839 if test "$target_aligned_only" = "yes" ; then
7840   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7841 fi
7842 if test "$target_bigendian" = "yes" ; then
7843   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7844 fi
7845 if test "$target_softmmu" = "yes" ; then
7846   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7847   if test "$mttcg" = "yes" ; then
7848     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7849   fi
7850 fi
7851 if test "$target_user_only" = "yes" ; then
7852   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7853   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7854 fi
7855 if test "$target_linux_user" = "yes" ; then
7856   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7857 fi
7858 list=""
7859 if test ! -z "$gdb_xml_files" ; then
7860   for x in $gdb_xml_files; do
7861     list="$list $source_path/gdb-xml/$x"
7862   done
7863   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7864 fi
7865
7866 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7867   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7868 fi
7869 if test "$target_bsd_user" = "yes" ; then
7870   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7871 fi
7872
7873
7874 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7875
7876 cflags=""
7877 ldflags=""
7878
7879 disas_config() {
7880   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7881   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7882 }
7883
7884 for i in $ARCH $TARGET_BASE_ARCH ; do
7885   case "$i" in
7886   alpha)
7887     disas_config "ALPHA"
7888   ;;
7889   aarch64)
7890     if test -n "${cxx}"; then
7891       disas_config "ARM_A64"
7892     fi
7893   ;;
7894   arm)
7895     disas_config "ARM"
7896     if test -n "${cxx}"; then
7897       disas_config "ARM_A64"
7898     fi
7899   ;;
7900   cris)
7901     disas_config "CRIS"
7902   ;;
7903   hppa)
7904     disas_config "HPPA"
7905   ;;
7906   i386|x86_64|x32)
7907     disas_config "I386"
7908   ;;
7909   lm32)
7910     disas_config "LM32"
7911   ;;
7912   m68k)
7913     disas_config "M68K"
7914   ;;
7915   microblaze*)
7916     disas_config "MICROBLAZE"
7917   ;;
7918   mips*)
7919     disas_config "MIPS"
7920     if test -n "${cxx}"; then
7921       disas_config "NANOMIPS"
7922     fi
7923   ;;
7924   moxie*)
7925     disas_config "MOXIE"
7926   ;;
7927   nios2)
7928     disas_config "NIOS2"
7929   ;;
7930   or1k)
7931     disas_config "OPENRISC"
7932   ;;
7933   ppc*)
7934     disas_config "PPC"
7935   ;;
7936   riscv*)
7937     disas_config "RISCV"
7938   ;;
7939   s390*)
7940     disas_config "S390"
7941   ;;
7942   sh4)
7943     disas_config "SH4"
7944   ;;
7945   sparc*)
7946     disas_config "SPARC"
7947   ;;
7948   xtensa*)
7949     disas_config "XTENSA"
7950   ;;
7951   esac
7952 done
7953 if test "$tcg_interpreter" = "yes" ; then
7954   disas_config "TCI"
7955 fi
7956
7957 case "$ARCH" in
7958 alpha)
7959   # Ensure there's only a single GP
7960   cflags="-msmall-data $cflags"
7961 ;;
7962 esac
7963
7964 if test "$gprof" = "yes" ; then
7965   if test "$target_linux_user" = "yes" ; then
7966     cflags="-p $cflags"
7967     ldflags="-p $ldflags"
7968   fi
7969   if test "$target_softmmu" = "yes" ; then
7970     ldflags="-p $ldflags"
7971     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7972   fi
7973 fi
7974
7975 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7976   ldflags="$ldflags $textseg_ldflags"
7977 fi
7978
7979 # Newer kernels on s390 check for an S390_PGSTE program header and
7980 # enable the pgste page table extensions in that case. This makes
7981 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7982 # header if
7983 #  - we build on s390x
7984 #  - we build the system emulation for s390x (qemu-system-s390x)
7985 #  - KVM is enabled
7986 #  - the linker supports --s390-pgste
7987 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7988         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7989     if ld_has --s390-pgste ; then
7990         ldflags="-Wl,--s390-pgste $ldflags"
7991     fi
7992 fi
7993
7994 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
7995 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7996
7997 done # for target in $targets
7998
7999 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
8000 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
8001
8002 if [ "$fdt" = "git" ]; then
8003   echo "config-host.h: dtc/all" >> $config_host_mak
8004 fi
8005 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
8006   echo "config-host.h: capstone/all" >> $config_host_mak
8007 fi
8008 if test -n "$LIBCAPSTONE"; then
8009   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8010 fi
8011
8012 if test "$numa" = "yes"; then
8013   echo "CONFIG_NUMA=y" >> $config_host_mak
8014 fi
8015
8016 if test "$ccache_cpp2" = "yes"; then
8017   echo "export CCACHE_CPP2=y" >> $config_host_mak
8018 fi
8019
8020 # If we're using a separate build tree, set it up now.
8021 # DIRS are directories which we simply mkdir in the build tree;
8022 # LINKS are things to symlink back into the source tree
8023 # (these can be both files and directories).
8024 # Caution: do not add files or directories here using wildcards. This
8025 # will result in problems later if a new file matching the wildcard is
8026 # added to the source tree -- nothing will cause configure to be rerun
8027 # so the build tree will be missing the link back to the new file, and
8028 # tests might fail. Prefer to keep the relevant files in their own
8029 # directory and symlink the directory instead.
8030 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8031 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8032 DIRS="$DIRS docs docs/interop fsdev scsi"
8033 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8034 DIRS="$DIRS roms/seabios roms/vgabios"
8035 LINKS="Makefile"
8036 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8037 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8038 LINKS="$LINKS tests/plugin/Makefile"
8039 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8040 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8041 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8042 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8043 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8044 LINKS="$LINKS tests/acceptance tests/data"
8045 LINKS="$LINKS tests/qemu-iotests/check"
8046 LINKS="$LINKS python"
8047 for bios_file in \
8048     $source_path/pc-bios/*.bin \
8049     $source_path/pc-bios/*.lid \
8050     $source_path/pc-bios/*.rom \
8051     $source_path/pc-bios/*.dtb \
8052     $source_path/pc-bios/*.img \
8053     $source_path/pc-bios/openbios-* \
8054     $source_path/pc-bios/u-boot.* \
8055     $source_path/pc-bios/edk2-*.fd.bz2 \
8056     $source_path/pc-bios/palcode-*
8057 do
8058     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8059 done
8060 mkdir -p $DIRS
8061 for f in $LINKS ; do
8062     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8063         symlink "$source_path/$f" "$f"
8064     fi
8065 done
8066
8067 (for i in $cross_cc_vars; do
8068   export $i
8069 done
8070 export target_list source_path use_containers
8071 $source_path/tests/tcg/configure.sh)
8072
8073 # temporary config to build submodules
8074 for rom in seabios vgabios ; do
8075     config_mak=roms/$rom/config.mak
8076     echo "# Automatically generated by configure - do not modify" > $config_mak
8077     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8078     echo "AS=$as" >> $config_mak
8079     echo "CCAS=$ccas" >> $config_mak
8080     echo "CC=$cc" >> $config_mak
8081     echo "BCC=bcc" >> $config_mak
8082     echo "CPP=$cpp" >> $config_mak
8083     echo "OBJCOPY=objcopy" >> $config_mak
8084     echo "IASL=$iasl" >> $config_mak
8085     echo "LD=$ld" >> $config_mak
8086     echo "RANLIB=$ranlib" >> $config_mak
8087 done
8088
8089 # set up qemu-iotests in this build directory
8090 iotests_common_env="tests/qemu-iotests/common.env"
8091
8092 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8093 echo >> "$iotests_common_env"
8094 echo "export PYTHON='$python'" >> "$iotests_common_env"
8095
8096 # Save the configure command line for later reuse.
8097 cat <<EOD >config.status
8098 #!/bin/sh
8099 # Generated by configure.
8100 # Run this file to recreate the current configuration.
8101 # Compiler output produced by configure, useful for debugging
8102 # configure, is in config.log if it exists.
8103 EOD
8104
8105 preserve_env() {
8106     envname=$1
8107
8108     eval envval=\$$envname
8109
8110     if test -n "$envval"
8111     then
8112         echo "$envname='$envval'" >> config.status
8113         echo "export $envname" >> config.status
8114     else
8115         echo "unset $envname" >> config.status
8116     fi
8117 }
8118
8119 # Preserve various env variables that influence what
8120 # features/build target configure will detect
8121 preserve_env AR
8122 preserve_env AS
8123 preserve_env CC
8124 preserve_env CPP
8125 preserve_env CXX
8126 preserve_env INSTALL
8127 preserve_env LD
8128 preserve_env LD_LIBRARY_PATH
8129 preserve_env LIBTOOL
8130 preserve_env MAKE
8131 preserve_env NM
8132 preserve_env OBJCOPY
8133 preserve_env PATH
8134 preserve_env PKG_CONFIG
8135 preserve_env PKG_CONFIG_LIBDIR
8136 preserve_env PKG_CONFIG_PATH
8137 preserve_env PYTHON
8138 preserve_env SDL2_CONFIG
8139 preserve_env SMBD
8140 preserve_env STRIP
8141 preserve_env WINDRES
8142
8143 printf "exec" >>config.status
8144 printf " '%s'" "$0" "$@" >>config.status
8145 echo ' "$@"' >>config.status
8146 chmod +x config.status
8147
8148 rm -r "$TMPDIR1"