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
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(dirname "$0")
 281 # make source path absolute
 282 source_path=$(cd "$source_path"; pwd)
 283 cpu=""
 284 iasl="iasl"
 285 interp_prefix="/usr/gnemul/qemu-%M"
 286 static="no"
 287 cross_prefix=""
 288 audio_drv_list=""
 289 block_drv_rw_whitelist=""
 290 block_drv_ro_whitelist=""
 291 host_cc="cc"
 292 libs_softmmu=""
 293 libs_tools=""
 294 audio_pt_int=""
 295 audio_win_int=""
 296 libs_qga=""
 297 debug_info="yes"
 298 stack_protector=""
 299
 300 if test -e "$source_path/.git"
 301 then
 302     git_update=yes
 303     git_submodules="ui/keycodemapdb"
 304     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 305     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 306 else
 307     git_update=no
 308     git_submodules=""
 309
 310     if ! test -f "$source_path/ui/keycodemapdb/README"
 311     then
 312         echo
 313         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 314         echo
 315         echo "This is not a GIT checkout but module content appears to"
 316         echo "be missing. Do not use 'git archive' or GitHub download links"
 317         echo "to acquire QEMU source archives. Non-GIT builds are only"
 318         echo "supported with source archives linked from:"
 319         echo
 320         echo "  https://www.qemu.org/download/"
 321         echo
 322         echo "Developers working with GIT can use scripts/archive-source.sh"
 323         echo "if they need to create valid source archives."
 324         echo
 325         exit 1
 326     fi
 327 fi
 328 git="git"
 329
 330 # Don't accept a target_list environment variable.
 331 unset target_list
 332 unset target_list_exclude
 333
 334 # Default value for a variable defining feature "foo".
 335 #  * foo="no"  feature will only be used if --enable-foo arg is given
 336 #  * foo=""    feature will be searched for, and if found, will be used
 337 #              unless --disable-foo is given
 338 #  * foo="yes" this value will only be set by --enable-foo flag.
 339 #              feature will searched for,
 340 #              if not found, configure exits with error
 341 #
 342 # Always add --enable-foo and --disable-foo command line args.
 343 # Distributions want to ensure that several features are compiled in, and it
 344 # is impossible without a --enable-foo that exits if a feature is not found.
 345
 346 bluez=""
 347 brlapi=""
 348 curl=""
 349 curses=""
 350 docs=""
 351 fdt=""
 352 netmap="no"
 353 sdl=""
 354 sdl_image=""
 355 virtfs=""
 356 mpath=""
 357 vnc="yes"
 358 sparse="no"
 359 vde=""
 360 vnc_sasl=""
 361 vnc_jpeg=""
 362 vnc_png=""
 363 xkbcommon=""
 364 xen=""
 365 xen_ctrl_version=""
 366 xen_pci_passthrough=""
 367 linux_aio=""
 368 cap_ng=""
 369 attr=""
 370 libattr=""
 371 xfs=""
 372 tcg="yes"
 373 membarrier=""
 374 vhost_net=""
 375 vhost_crypto=""
 376 vhost_scsi=""
 377 vhost_vsock=""
 378 vhost_user=""
 379 kvm="no"
 380 hax="no"
 381 hvf="no"
 382 whpx="no"
 383 rdma=""
 384 pvrdma=""
 385 gprof="no"
 386 debug_tcg="no"
 387 debug="no"
 388 sanitizers="no"
 389 fortify_source=""
 390 strip_opt="yes"
 391 tcg_interpreter="no"
 392 bigendian="no"
 393 mingw32="no"
 394 gcov="no"
 395 gcov_tool="gcov"
 396 EXESUF=""
 397 DSOSUF=".so"
 398 LDFLAGS_SHARED="-shared"
 399 modules="no"
 400 prefix="/usr/local"
 401 mandir="\${prefix}/share/man"
 402 datadir="\${prefix}/share"
 403 firmwarepath="\${prefix}/share/qemu-firmware"
 404 qemu_docdir="\${prefix}/share/doc/qemu"
 405 bindir="\${prefix}/bin"
 406 libdir="\${prefix}/lib"
 407 libexecdir="\${prefix}/libexec"
 408 includedir="\${prefix}/include"
 409 sysconfdir="\${prefix}/etc"
 410 local_statedir="\${prefix}/var"
 411 confsuffix="/qemu"
 412 slirp=""
 413 oss_lib=""
 414 bsd="no"
 415 linux="no"
 416 solaris="no"
 417 profiler="no"
 418 cocoa="no"
 419 softmmu="yes"
 420 linux_user="no"
 421 bsd_user="no"
 422 blobs="yes"
 423 pkgversion=""
 424 pie=""
 425 qom_cast_debug="yes"
 426 trace_backends="log"
 427 trace_file="trace"
 428 spice=""
 429 rbd=""
 430 smartcard=""
 431 libusb=""
 432 usb_redir=""
 433 opengl=""
 434 opengl_dmabuf="no"
 435 cpuid_h="no"
 436 avx2_opt=""
 437 zlib="yes"
 438 capstone=""
 439 lzo=""
 440 snappy=""
 441 bzip2=""
 442 lzfse=""
 443 guest_agent=""
 444 guest_agent_with_vss="no"
 445 guest_agent_ntddscsi="no"
 446 guest_agent_msi=""
 447 vss_win32_sdk=""
 448 win_sdk="no"
 449 want_tools="yes"
 450 libiscsi=""
 451 libnfs=""
 452 coroutine=""
 453 coroutine_pool=""
 454 debug_stack_usage="no"
 455 crypto_afalg="no"
 456 seccomp=""
 457 glusterfs=""
 458 glusterfs_xlator_opt="no"
 459 glusterfs_discard="no"
 460 glusterfs_fallocate="no"
 461 glusterfs_zerofill="no"
 462 glusterfs_ftruncate_has_stat="no"
 463 glusterfs_iocb_has_stat="no"
 464 gtk=""
 465 gtk_gl="no"
 466 tls_priority="NORMAL"
 467 gnutls=""
 468 nettle=""
 469 gcrypt=""
 470 gcrypt_hmac="no"
 471 auth_pam=""
 472 vte=""
 473 virglrenderer=""
 474 tpm=""
 475 libssh2=""
 476 live_block_migration="yes"
 477 numa=""
 478 tcmalloc="no"
 479 jemalloc="no"
 480 replication="yes"
 481 vxhs=""
 482 bochs="yes"
 483 cloop="yes"
 484 dmg="yes"
 485 qcow1="yes"
 486 vdi="yes"
 487 vvfat="yes"
 488 qed="yes"
 489 parallels="yes"
 490 sheepdog="yes"
 491 libxml2=""
 492 docker="no"
 493 debug_mutex="no"
 494 libpmem=""
 495 default_devices="yes"
 496
 497 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 498 cross_cc_aarch64="aarch64-linux-gnu-gcc"
 499 cross_cc_aarch64_be="$cross_cc_aarch64"
 500 cross_cc_cflags_aarch64_be="-mbig-endian"
 501 cross_cc_arm="arm-linux-gnueabihf-gcc"
 502 cross_cc_cflags_armeb="-mbig-endian"
 503 cross_cc_i386="i386-pc-linux-gnu-gcc"
 504 cross_cc_cflags_i386=""
 505 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 506 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 507
 508 enabled_cross_compilers=""
 509
 510 supported_cpu="no"
 511 supported_os="no"
 512 bogus_os="no"
 513 malloc_trim=""
 514
 515 # parse CC options first
 516 for opt do
 517   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 518   case "$opt" in
 519   --cross-prefix=*) cross_prefix="$optarg"
 520   ;;
 521   --cc=*) CC="$optarg"
 522   ;;
 523   --cxx=*) CXX="$optarg"
 524   ;;
 525   --cpu=*) cpu="$optarg"
 526   ;;
 527   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 528   ;;
 529   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 530   ;;
 531   --extra-ldflags=*) LDFLAGS="$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_${cc_arch}=\$optarg"
 542   ;;
 543   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 544                 eval "cross_cc_${cc_arch}=\$optarg"
 545   ;;
 546   esac
 547 done
 548 # OS specific
 549 # Using uname is really, really broken.  Once we have the right set of checks
 550 # we can eliminate its usage altogether.
 551
 552 # Preferred compiler:
 553 #  ${CC} (if set)
 554 #  ${cross_prefix}gcc (if cross-prefix specified)
 555 #  system compiler
 556 if test -z "${CC}${cross_prefix}"; then
 557   cc="$host_cc"
 558 else
 559   cc="${CC-${cross_prefix}gcc}"
 560 fi
 561
 562 if test -z "${CXX}${cross_prefix}"; then
 563   cxx="c++"
 564 else
 565   cxx="${CXX-${cross_prefix}g++}"
 566 fi
 567
 568 ar="${AR-${cross_prefix}ar}"
 569 as="${AS-${cross_prefix}as}"
 570 ccas="${CCAS-$cc}"
 571 cpp="${CPP-$cc -E}"
 572 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 573 ld="${LD-${cross_prefix}ld}"
 574 ranlib="${RANLIB-${cross_prefix}ranlib}"
 575 nm="${NM-${cross_prefix}nm}"
 576 strip="${STRIP-${cross_prefix}strip}"
 577 windres="${WINDRES-${cross_prefix}windres}"
 578 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 579 query_pkg_config() {
 580     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 581 }
 582 pkg_config=query_pkg_config
 583 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 584
 585 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 586 ARFLAGS="${ARFLAGS-rv}"
 587
 588 # default flags for all hosts
 589 # We use -fwrapv to tell the compiler that we require a C dialect where
 590 # left shift of signed integers is well defined and has the expected
 591 # 2s-complement style results. (Both clang and gcc agree that it
 592 # provides these semantics.)
 593 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 594 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 595 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 596 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 597 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 598 if test "$debug_info" = "yes"; then
 599     CFLAGS="-g $CFLAGS"
 600     LDFLAGS="-g $LDFLAGS"
 601 fi
 602
 603 # running configure in the source tree?
 604 # we know that's the case if configure is there.
 605 if test -f "./configure"; then
 606     pwd_is_source_path="y"
 607 else
 608     pwd_is_source_path="n"
 609 fi
 610
 611 check_define() {
 612 cat > $TMPC <<EOF
 613 #if !defined($1)
 614 #error $1 not defined
 615 #endif
 616 int main(void) { return 0; }
 617 EOF
 618   compile_object
 619 }
 620
 621 check_include() {
 622 cat > $TMPC <<EOF
 623 #include <$1>
 624 int main(void) { return 0; }
 625 EOF
 626   compile_object
 627 }
 628
 629 write_c_skeleton() {
 630     cat > $TMPC <<EOF
 631 int main(void) { return 0; }
 632 EOF
 633 }
 634
 635 if check_define __linux__ ; then
 636   targetos="Linux"
 637 elif check_define _WIN32 ; then
 638   targetos='MINGW32'
 639 elif check_define __OpenBSD__ ; then
 640   targetos='OpenBSD'
 641 elif check_define __sun__ ; then
 642   targetos='SunOS'
 643 elif check_define __HAIKU__ ; then
 644   targetos='Haiku'
 645 elif check_define __FreeBSD__ ; then
 646   targetos='FreeBSD'
 647 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 648   targetos='GNU/kFreeBSD'
 649 elif check_define __DragonFly__ ; then
 650   targetos='DragonFly'
 651 elif check_define __NetBSD__; then
 652   targetos='NetBSD'
 653 elif check_define __APPLE__; then
 654   targetos='Darwin'
 655 else
 656   # This is a fatal error, but don't report it yet, because we
 657   # might be going to just print the --help text, or it might
 658   # be the result of a missing compiler.
 659   targetos='bogus'
 660   bogus_os='yes'
 661 fi
 662
 663 # Some host OSes need non-standard checks for which CPU to use.
 664 # Note that these checks are broken for cross-compilation: if you're
 665 # cross-compiling to one of these OSes then you'll need to specify
 666 # the correct CPU with the --cpu option.
 667 case $targetos in
 668 Darwin)
 669   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 670   # run 64-bit userspace code.
 671   # If the user didn't specify a CPU explicitly and the kernel says this is
 672   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 673   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 674     cpu="x86_64"
 675   fi
 676   ;;
 677 SunOS)
 678   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 679   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 680     cpu="x86_64"
 681   fi
 682 esac
 683
 684 if test ! -z "$cpu" ; then
 685   # command line argument
 686   :
 687 elif check_define __i386__ ; then
 688   cpu="i386"
 689 elif check_define __x86_64__ ; then
 690   if check_define __ILP32__ ; then
 691     cpu="x32"
 692   else
 693     cpu="x86_64"
 694   fi
 695 elif check_define __sparc__ ; then
 696   if check_define __arch64__ ; then
 697     cpu="sparc64"
 698   else
 699     cpu="sparc"
 700   fi
 701 elif check_define _ARCH_PPC ; then
 702   if check_define _ARCH_PPC64 ; then
 703     cpu="ppc64"
 704   else
 705     cpu="ppc"
 706   fi
 707 elif check_define __mips__ ; then
 708   cpu="mips"
 709 elif check_define __s390__ ; then
 710   if check_define __s390x__ ; then
 711     cpu="s390x"
 712   else
 713     cpu="s390"
 714   fi
 715 elif check_define __riscv ; then
 716   if check_define _LP64 ; then
 717     cpu="riscv64"
 718   else
 719     cpu="riscv32"
 720   fi
 721 elif check_define __arm__ ; then
 722   cpu="arm"
 723 elif check_define __aarch64__ ; then
 724   cpu="aarch64"
 725 else
 726   cpu=$(uname -m)
 727 fi
 728
 729 ARCH=
 730 # Normalise host CPU name and set ARCH.
 731 # Note that this case should only have supported host CPUs, not guests.
 732 case "$cpu" in
 733   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 734     cpu="$cpu"
 735     supported_cpu="yes"
 736     eval "cross_cc_${cpu}=\$host_cc"
 737   ;;
 738   i386|i486|i586|i686|i86pc|BePC)
 739     cpu="i386"
 740     supported_cpu="yes"
 741     cross_cc_i386=$host_cc
 742   ;;
 743   x86_64|amd64)
 744     cpu="x86_64"
 745     supported_cpu="yes"
 746     cross_cc_x86_64=$host_cc
 747   ;;
 748   armv*b|armv*l|arm)
 749     cpu="arm"
 750     supported_cpu="yes"
 751     cross_cc_arm=$host_cc
 752   ;;
 753   aarch64)
 754     cpu="aarch64"
 755     supported_cpu="yes"
 756     cross_cc_aarch64=$host_cc
 757   ;;
 758   mips*)
 759     cpu="mips"
 760     supported_cpu="yes"
 761     cross_cc_mips=$host_cc
 762   ;;
 763   sparc|sun4[cdmuv])
 764     cpu="sparc"
 765     supported_cpu="yes"
 766     cross_cc_sparc=$host_cc
 767   ;;
 768   *)
 769     # This will result in either an error or falling back to TCI later
 770     ARCH=unknown
 771   ;;
 772 esac
 773 if test -z "$ARCH"; then
 774   ARCH="$cpu"
 775 fi
 776
 777 # OS specific
 778
 779 # host *BSD for user mode
 780 HOST_VARIANT_DIR=""
 781
 782 case $targetos in
 783 MINGW32*)
 784   mingw32="yes"
 785   hax="yes"
 786   vhost_user="no"
 787   audio_possible_drivers="dsound sdl"
 788   if check_include dsound.h; then
 789     audio_drv_list="dsound"
 790   else
 791     audio_drv_list=""
 792   fi
 793   supported_os="yes"
 794 ;;
 795 GNU/kFreeBSD)
 796   bsd="yes"
 797   audio_drv_list="oss try-sdl"
 798   audio_possible_drivers="oss sdl pa"
 799 ;;
 800 FreeBSD)
 801   bsd="yes"
 802   make="${MAKE-gmake}"
 803   audio_drv_list="oss try-sdl"
 804   audio_possible_drivers="oss sdl pa"
 805   # needed for kinfo_getvmmap(3) in libutil.h
 806   LIBS="-lutil $LIBS"
 807   # needed for kinfo_getproc
 808   libs_qga="-lutil $libs_qga"
 809   netmap=""  # enable netmap autodetect
 810   HOST_VARIANT_DIR="freebsd"
 811   supported_os="yes"
 812 ;;
 813 DragonFly)
 814   bsd="yes"
 815   make="${MAKE-gmake}"
 816   audio_drv_list="oss try-sdl"
 817   audio_possible_drivers="oss sdl pa"
 818   HOST_VARIANT_DIR="dragonfly"
 819 ;;
 820 NetBSD)
 821   bsd="yes"
 822   hax="yes"
 823   make="${MAKE-gmake}"
 824   audio_drv_list="oss try-sdl"
 825   audio_possible_drivers="oss sdl"
 826   oss_lib="-lossaudio"
 827   HOST_VARIANT_DIR="netbsd"
 828   supported_os="yes"
 829 ;;
 830 OpenBSD)
 831   bsd="yes"
 832   make="${MAKE-gmake}"
 833   audio_drv_list="try-sdl"
 834   audio_possible_drivers="sdl"
 835   HOST_VARIANT_DIR="openbsd"
 836   supported_os="yes"
 837 ;;
 838 Darwin)
 839   bsd="yes"
 840   darwin="yes"
 841   hax="yes"
 842   hvf="yes"
 843   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 844   if [ "$cpu" = "x86_64" ] ; then
 845     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 846     LDFLAGS="-arch x86_64 $LDFLAGS"
 847   fi
 848   cocoa="yes"
 849   audio_drv_list="coreaudio try-sdl"
 850   audio_possible_drivers="coreaudio sdl"
 851   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 852   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 853   # Disable attempts to use ObjectiveC features in os/object.h since they
 854   # won't work when we're compiling with gcc as a C compiler.
 855   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 856   HOST_VARIANT_DIR="darwin"
 857   supported_os="yes"
 858 ;;
 859 SunOS)
 860   solaris="yes"
 861   make="${MAKE-gmake}"
 862   install="${INSTALL-ginstall}"
 863   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 864   if test -f /usr/include/sys/soundcard.h ; then
 865     audio_drv_list="oss try-sdl"
 866   fi
 867   audio_possible_drivers="oss sdl"
 868 # needed for CMSG_ macros in sys/socket.h
 869   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 870 # needed for TIOCWIN* defines in termios.h
 871   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 872   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 873   solarisnetlibs="-lsocket -lnsl -lresolv"
 874   LIBS="$solarisnetlibs $LIBS"
 875   libs_qga="$solarisnetlibs $libs_qga"
 876 ;;
 877 Haiku)
 878   haiku="yes"
 879   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 880   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 881 ;;
 882 Linux)
 883   audio_drv_list="try-pa oss"
 884   audio_possible_drivers="oss alsa sdl pa"
 885   linux="yes"
 886   linux_user="yes"
 887   kvm="yes"
 888   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 889   supported_os="yes"
 890   libudev="yes"
 891 ;;
 892 esac
 893
 894 if [ "$bsd" = "yes" ] ; then
 895   if [ "$darwin" != "yes" ] ; then
 896     bsd_user="yes"
 897   fi
 898 fi
 899
 900 : ${make=${MAKE-make}}
 901 : ${install=${INSTALL-install}}
 902 : ${python=${PYTHON-python}}
 903 : ${smbd=${SMBD-/usr/sbin/smbd}}
 904
 905 # Default objcc to clang if available, otherwise use CC
 906 if has clang; then
 907   objcc=clang
 908 else
 909   objcc="$cc"
 910 fi
 911
 912 if test "$mingw32" = "yes" ; then
 913   EXESUF=".exe"
 914   DSOSUF=".dll"
 915   # MinGW needs -mthreads for TLS and macro _MT.
 916   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 917   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 918   write_c_skeleton;
 919   if compile_prog "" "-liberty" ; then
 920     LIBS="-liberty $LIBS"
 921   fi
 922   prefix="c:/Program Files/QEMU"
 923   mandir="\${prefix}"
 924   datadir="\${prefix}"
 925   qemu_docdir="\${prefix}"
 926   bindir="\${prefix}"
 927   sysconfdir="\${prefix}"
 928   local_statedir=
 929   confsuffix=""
 930   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 931 fi
 932
 933 werror=""
 934
 935 for opt do
 936   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 937   case "$opt" in
 938   --help|-h) show_help=yes
 939   ;;
 940   --version|-V) exec cat $source_path/VERSION
 941   ;;
 942   --prefix=*) prefix="$optarg"
 943   ;;
 944   --interp-prefix=*) interp_prefix="$optarg"
 945   ;;
 946   --cross-prefix=*)
 947   ;;
 948   --cc=*)
 949   ;;
 950   --host-cc=*) host_cc="$optarg"
 951   ;;
 952   --cxx=*)
 953   ;;
 954   --iasl=*) iasl="$optarg"
 955   ;;
 956   --objcc=*) objcc="$optarg"
 957   ;;
 958   --make=*) make="$optarg"
 959   ;;
 960   --install=*) install="$optarg"
 961   ;;
 962   --python=*) python="$optarg"
 963   ;;
 964   --gcov=*) gcov_tool="$optarg"
 965   ;;
 966   --smbd=*) smbd="$optarg"
 967   ;;
 968   --extra-cflags=*)
 969   ;;
 970   --extra-cxxflags=*)
 971   ;;
 972   --extra-ldflags=*)
 973   ;;
 974   --enable-debug-info)
 975   ;;
 976   --disable-debug-info)
 977   ;;
 978   --cross-cc-*)
 979   ;;
 980   --enable-modules)
 981       modules="yes"
 982   ;;
 983   --disable-modules)
 984       modules="no"
 985   ;;
 986   --cpu=*)
 987   ;;
 988   --target-list=*) target_list="$optarg"
 989                    if test "$target_list_exclude"; then
 990                        error_exit "Can't mix --target-list with --target-list-exclude"
 991                    fi
 992   ;;
 993   --target-list-exclude=*) target_list_exclude="$optarg"
 994                    if test "$target_list"; then
 995                        error_exit "Can't mix --target-list-exclude with --target-list"
 996                    fi
 997   ;;
 998   --enable-trace-backends=*) trace_backends="$optarg"
 999   ;;
1000   # XXX: backwards compatibility
1001   --enable-trace-backend=*) trace_backends="$optarg"
1002   ;;
1003   --with-trace-file=*) trace_file="$optarg"
1004   ;;
1005   --with-default-devices) default_devices="yes"
1006   ;;
1007   --without-default-devices) default_devices="no"
1008   ;;
1009   --enable-gprof) gprof="yes"
1010   ;;
1011   --enable-gcov) gcov="yes"
1012   ;;
1013   --static)
1014     static="yes"
1015     LDFLAGS="-static $LDFLAGS"
1016     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1017   ;;
1018   --mandir=*) mandir="$optarg"
1019   ;;
1020   --bindir=*) bindir="$optarg"
1021   ;;
1022   --libdir=*) libdir="$optarg"
1023   ;;
1024   --libexecdir=*) libexecdir="$optarg"
1025   ;;
1026   --includedir=*) includedir="$optarg"
1027   ;;
1028   --datadir=*) datadir="$optarg"
1029   ;;
1030   --with-confsuffix=*) confsuffix="$optarg"
1031   ;;
1032   --docdir=*) qemu_docdir="$optarg"
1033   ;;
1034   --sysconfdir=*) sysconfdir="$optarg"
1035   ;;
1036   --localstatedir=*) local_statedir="$optarg"
1037   ;;
1038   --firmwarepath=*) firmwarepath="$optarg"
1039   ;;
1040   --host=*|--build=*|\
1041   --disable-dependency-tracking|\
1042   --sbindir=*|--sharedstatedir=*|\
1043   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1044   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1045     # These switches are silently ignored, for compatibility with
1046     # autoconf-generated configure scripts. This allows QEMU's
1047     # configure to be used by RPM and similar macros that set
1048     # lots of directory switches by default.
1049   ;;
1050   --disable-sdl) sdl="no"
1051   ;;
1052   --enable-sdl) sdl="yes"
1053   ;;
1054   --disable-sdl-image) sdl_image="no"
1055   ;;
1056   --enable-sdl-image) sdl_image="yes"
1057   ;;
1058   --disable-qom-cast-debug) qom_cast_debug="no"
1059   ;;
1060   --enable-qom-cast-debug) qom_cast_debug="yes"
1061   ;;
1062   --disable-virtfs) virtfs="no"
1063   ;;
1064   --enable-virtfs) virtfs="yes"
1065   ;;
1066   --disable-mpath) mpath="no"
1067   ;;
1068   --enable-mpath) mpath="yes"
1069   ;;
1070   --disable-vnc) vnc="no"
1071   ;;
1072   --enable-vnc) vnc="yes"
1073   ;;
1074   --oss-lib=*) oss_lib="$optarg"
1075   ;;
1076   --audio-drv-list=*) audio_drv_list="$optarg"
1077   ;;
1078   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1079   ;;
1080   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1081   ;;
1082   --enable-debug-tcg) debug_tcg="yes"
1083   ;;
1084   --disable-debug-tcg) debug_tcg="no"
1085   ;;
1086   --enable-debug)
1087       # Enable debugging options that aren't excessively noisy
1088       debug_tcg="yes"
1089       debug_mutex="yes"
1090       debug="yes"
1091       strip_opt="no"
1092       fortify_source="no"
1093   ;;
1094   --enable-sanitizers) sanitizers="yes"
1095   ;;
1096   --disable-sanitizers) sanitizers="no"
1097   ;;
1098   --enable-sparse) sparse="yes"
1099   ;;
1100   --disable-sparse) sparse="no"
1101   ;;
1102   --disable-strip) strip_opt="no"
1103   ;;
1104   --disable-vnc-sasl) vnc_sasl="no"
1105   ;;
1106   --enable-vnc-sasl) vnc_sasl="yes"
1107   ;;
1108   --disable-vnc-jpeg) vnc_jpeg="no"
1109   ;;
1110   --enable-vnc-jpeg) vnc_jpeg="yes"
1111   ;;
1112   --disable-vnc-png) vnc_png="no"
1113   ;;
1114   --enable-vnc-png) vnc_png="yes"
1115   ;;
1116   --disable-slirp) slirp="no"
1117   ;;
1118   --enable-slirp=system) slirp="system"
1119   ;;
1120   --disable-vde) vde="no"
1121   ;;
1122   --enable-vde) vde="yes"
1123   ;;
1124   --disable-netmap) netmap="no"
1125   ;;
1126   --enable-netmap) netmap="yes"
1127   ;;
1128   --disable-xen) xen="no"
1129   ;;
1130   --enable-xen) xen="yes"
1131   ;;
1132   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1133   ;;
1134   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1135   ;;
1136   --disable-brlapi) brlapi="no"
1137   ;;
1138   --enable-brlapi) brlapi="yes"
1139   ;;
1140   --disable-bluez) bluez="no"
1141   ;;
1142   --enable-bluez) bluez="yes"
1143   ;;
1144   --disable-kvm) kvm="no"
1145   ;;
1146   --enable-kvm) kvm="yes"
1147   ;;
1148   --disable-hax) hax="no"
1149   ;;
1150   --enable-hax) hax="yes"
1151   ;;
1152   --disable-hvf) hvf="no"
1153   ;;
1154   --enable-hvf) hvf="yes"
1155   ;;
1156   --disable-whpx) whpx="no"
1157   ;;
1158   --enable-whpx) whpx="yes"
1159   ;;
1160   --disable-tcg-interpreter) tcg_interpreter="no"
1161   ;;
1162   --enable-tcg-interpreter) tcg_interpreter="yes"
1163   ;;
1164   --disable-cap-ng)  cap_ng="no"
1165   ;;
1166   --enable-cap-ng) cap_ng="yes"
1167   ;;
1168   --disable-tcg) tcg="no"
1169   ;;
1170   --enable-tcg) tcg="yes"
1171   ;;
1172   --disable-malloc-trim) malloc_trim="no"
1173   ;;
1174   --enable-malloc-trim) malloc_trim="yes"
1175   ;;
1176   --disable-spice) spice="no"
1177   ;;
1178   --enable-spice) spice="yes"
1179   ;;
1180   --disable-libiscsi) libiscsi="no"
1181   ;;
1182   --enable-libiscsi) libiscsi="yes"
1183   ;;
1184   --disable-libnfs) libnfs="no"
1185   ;;
1186   --enable-libnfs) libnfs="yes"
1187   ;;
1188   --enable-profiler) profiler="yes"
1189   ;;
1190   --disable-cocoa) cocoa="no"
1191   ;;
1192   --enable-cocoa)
1193       cocoa="yes" ;
1194       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1195   ;;
1196   --disable-system) softmmu="no"
1197   ;;
1198   --enable-system) softmmu="yes"
1199   ;;
1200   --disable-user)
1201       linux_user="no" ;
1202       bsd_user="no" ;
1203   ;;
1204   --enable-user) ;;
1205   --disable-linux-user) linux_user="no"
1206   ;;
1207   --enable-linux-user) linux_user="yes"
1208   ;;
1209   --disable-bsd-user) bsd_user="no"
1210   ;;
1211   --enable-bsd-user) bsd_user="yes"
1212   ;;
1213   --enable-pie) pie="yes"
1214   ;;
1215   --disable-pie) pie="no"
1216   ;;
1217   --enable-werror) werror="yes"
1218   ;;
1219   --disable-werror) werror="no"
1220   ;;
1221   --enable-stack-protector) stack_protector="yes"
1222   ;;
1223   --disable-stack-protector) stack_protector="no"
1224   ;;
1225   --disable-curses) curses="no"
1226   ;;
1227   --enable-curses) curses="yes"
1228   ;;
1229   --disable-iconv) iconv="no"
1230   ;;
1231   --enable-iconv) iconv="yes"
1232   ;;
1233   --disable-curl) curl="no"
1234   ;;
1235   --enable-curl) curl="yes"
1236   ;;
1237   --disable-fdt) fdt="no"
1238   ;;
1239   --enable-fdt) fdt="yes"
1240   ;;
1241   --disable-linux-aio) linux_aio="no"
1242   ;;
1243   --enable-linux-aio) linux_aio="yes"
1244   ;;
1245   --disable-attr) attr="no"
1246   ;;
1247   --enable-attr) attr="yes"
1248   ;;
1249   --disable-membarrier) membarrier="no"
1250   ;;
1251   --enable-membarrier) membarrier="yes"
1252   ;;
1253   --disable-blobs) blobs="no"
1254   ;;
1255   --with-pkgversion=*) pkgversion="$optarg"
1256   ;;
1257   --with-coroutine=*) coroutine="$optarg"
1258   ;;
1259   --disable-coroutine-pool) coroutine_pool="no"
1260   ;;
1261   --enable-coroutine-pool) coroutine_pool="yes"
1262   ;;
1263   --enable-debug-stack-usage) debug_stack_usage="yes"
1264   ;;
1265   --enable-crypto-afalg) crypto_afalg="yes"
1266   ;;
1267   --disable-crypto-afalg) crypto_afalg="no"
1268   ;;
1269   --disable-docs) docs="no"
1270   ;;
1271   --enable-docs) docs="yes"
1272   ;;
1273   --disable-vhost-net) vhost_net="no"
1274   ;;
1275   --enable-vhost-net) vhost_net="yes"
1276   ;;
1277   --disable-vhost-crypto) vhost_crypto="no"
1278   ;;
1279   --enable-vhost-crypto) vhost_crypto="yes"
1280   ;;
1281   --disable-vhost-scsi) vhost_scsi="no"
1282   ;;
1283   --enable-vhost-scsi) vhost_scsi="yes"
1284   ;;
1285   --disable-vhost-vsock) vhost_vsock="no"
1286   ;;
1287   --enable-vhost-vsock) vhost_vsock="yes"
1288   ;;
1289   --disable-opengl) opengl="no"
1290   ;;
1291   --enable-opengl) opengl="yes"
1292   ;;
1293   --disable-rbd) rbd="no"
1294   ;;
1295   --enable-rbd) rbd="yes"
1296   ;;
1297   --disable-xfsctl) xfs="no"
1298   ;;
1299   --enable-xfsctl) xfs="yes"
1300   ;;
1301   --disable-smartcard) smartcard="no"
1302   ;;
1303   --enable-smartcard) smartcard="yes"
1304   ;;
1305   --disable-libusb) libusb="no"
1306   ;;
1307   --enable-libusb) libusb="yes"
1308   ;;
1309   --disable-usb-redir) usb_redir="no"
1310   ;;
1311   --enable-usb-redir) usb_redir="yes"
1312   ;;
1313   --disable-zlib-test) zlib="no"
1314   ;;
1315   --disable-lzo) lzo="no"
1316   ;;
1317   --enable-lzo) lzo="yes"
1318   ;;
1319   --disable-snappy) snappy="no"
1320   ;;
1321   --enable-snappy) snappy="yes"
1322   ;;
1323   --disable-bzip2) bzip2="no"
1324   ;;
1325   --enable-bzip2) bzip2="yes"
1326   ;;
1327   --enable-lzfse) lzfse="yes"
1328   ;;
1329   --disable-lzfse) lzfse="no"
1330   ;;
1331   --enable-guest-agent) guest_agent="yes"
1332   ;;
1333   --disable-guest-agent) guest_agent="no"
1334   ;;
1335   --enable-guest-agent-msi) guest_agent_msi="yes"
1336   ;;
1337   --disable-guest-agent-msi) guest_agent_msi="no"
1338   ;;
1339   --with-vss-sdk) vss_win32_sdk=""
1340   ;;
1341   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1342   ;;
1343   --without-vss-sdk) vss_win32_sdk="no"
1344   ;;
1345   --with-win-sdk) win_sdk=""
1346   ;;
1347   --with-win-sdk=*) win_sdk="$optarg"
1348   ;;
1349   --without-win-sdk) win_sdk="no"
1350   ;;
1351   --enable-tools) want_tools="yes"
1352   ;;
1353   --disable-tools) want_tools="no"
1354   ;;
1355   --enable-seccomp) seccomp="yes"
1356   ;;
1357   --disable-seccomp) seccomp="no"
1358   ;;
1359   --disable-glusterfs) glusterfs="no"
1360   ;;
1361   --disable-avx2) avx2_opt="no"
1362   ;;
1363   --enable-avx2) avx2_opt="yes"
1364   ;;
1365   --enable-glusterfs) glusterfs="yes"
1366   ;;
1367   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1368       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1369   ;;
1370   --enable-vhdx|--disable-vhdx)
1371       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1372   ;;
1373   --enable-uuid|--disable-uuid)
1374       echo "$0: $opt is obsolete, UUID support is always built" >&2
1375   ;;
1376   --disable-gtk) gtk="no"
1377   ;;
1378   --enable-gtk) gtk="yes"
1379   ;;
1380   --tls-priority=*) tls_priority="$optarg"
1381   ;;
1382   --disable-gnutls) gnutls="no"
1383   ;;
1384   --enable-gnutls) gnutls="yes"
1385   ;;
1386   --disable-nettle) nettle="no"
1387   ;;
1388   --enable-nettle) nettle="yes"
1389   ;;
1390   --disable-gcrypt) gcrypt="no"
1391   ;;
1392   --enable-gcrypt) gcrypt="yes"
1393   ;;
1394   --disable-auth-pam) auth_pam="no"
1395   ;;
1396   --enable-auth-pam) auth_pam="yes"
1397   ;;
1398   --enable-rdma) rdma="yes"
1399   ;;
1400   --disable-rdma) rdma="no"
1401   ;;
1402   --enable-pvrdma) pvrdma="yes"
1403   ;;
1404   --disable-pvrdma) pvrdma="no"
1405   ;;
1406   --disable-vte) vte="no"
1407   ;;
1408   --enable-vte) vte="yes"
1409   ;;
1410   --disable-virglrenderer) virglrenderer="no"
1411   ;;
1412   --enable-virglrenderer) virglrenderer="yes"
1413   ;;
1414   --disable-tpm) tpm="no"
1415   ;;
1416   --enable-tpm) tpm="yes"
1417   ;;
1418   --disable-libssh2) libssh2="no"
1419   ;;
1420   --enable-libssh2) libssh2="yes"
1421   ;;
1422   --disable-live-block-migration) live_block_migration="no"
1423   ;;
1424   --enable-live-block-migration) live_block_migration="yes"
1425   ;;
1426   --disable-numa) numa="no"
1427   ;;
1428   --enable-numa) numa="yes"
1429   ;;
1430   --disable-libxml2) libxml2="no"
1431   ;;
1432   --enable-libxml2) libxml2="yes"
1433   ;;
1434   --disable-tcmalloc) tcmalloc="no"
1435   ;;
1436   --enable-tcmalloc) tcmalloc="yes"
1437   ;;
1438   --disable-jemalloc) jemalloc="no"
1439   ;;
1440   --enable-jemalloc) jemalloc="yes"
1441   ;;
1442   --disable-replication) replication="no"
1443   ;;
1444   --enable-replication) replication="yes"
1445   ;;
1446   --disable-vxhs) vxhs="no"
1447   ;;
1448   --enable-vxhs) vxhs="yes"
1449   ;;
1450   --disable-bochs) bochs="no"
1451   ;;
1452   --enable-bochs) bochs="yes"
1453   ;;
1454   --disable-cloop) cloop="no"
1455   ;;
1456   --enable-cloop) cloop="yes"
1457   ;;
1458   --disable-dmg) dmg="no"
1459   ;;
1460   --enable-dmg) dmg="yes"
1461   ;;
1462   --disable-qcow1) qcow1="no"
1463   ;;
1464   --enable-qcow1) qcow1="yes"
1465   ;;
1466   --disable-vdi) vdi="no"
1467   ;;
1468   --enable-vdi) vdi="yes"
1469   ;;
1470   --disable-vvfat) vvfat="no"
1471   ;;
1472   --enable-vvfat) vvfat="yes"
1473   ;;
1474   --disable-qed) qed="no"
1475   ;;
1476   --enable-qed) qed="yes"
1477   ;;
1478   --disable-parallels) parallels="no"
1479   ;;
1480   --enable-parallels) parallels="yes"
1481   ;;
1482   --disable-sheepdog) sheepdog="no"
1483   ;;
1484   --enable-sheepdog) sheepdog="yes"
1485   ;;
1486   --disable-vhost-user) vhost_user="no"
1487   ;;
1488   --enable-vhost-user) vhost_user="yes"
1489   ;;
1490   --disable-vhost-kernel) vhost_kernel="no"
1491   ;;
1492   --enable-vhost-kernel) vhost_kernel="yes"
1493   ;;
1494   --disable-capstone) capstone="no"
1495   ;;
1496   --enable-capstone) capstone="yes"
1497   ;;
1498   --enable-capstone=git) capstone="git"
1499   ;;
1500   --enable-capstone=system) capstone="system"
1501   ;;
1502   --with-git=*) git="$optarg"
1503   ;;
1504   --enable-git-update) git_update=yes
1505   ;;
1506   --disable-git-update) git_update=no
1507   ;;
1508   --enable-debug-mutex) debug_mutex=yes
1509   ;;
1510   --disable-debug-mutex) debug_mutex=no
1511   ;;
1512   --enable-libpmem) libpmem=yes
1513   ;;
1514   --disable-libpmem) libpmem=no
1515   ;;
1516   *)
1517       echo "ERROR: unknown option $opt"
1518       echo "Try '$0 --help' for more information"
1519       exit 1
1520   ;;
1521   esac
1522 done
1523
1524 case "$cpu" in
1525     ppc)
1526            CPU_CFLAGS="-m32"
1527            LDFLAGS="-m32 $LDFLAGS"
1528            cross_cc_powerpc=$cc
1529            cross_cc_cflags_powerpc=$CPU_CFLAGS
1530            ;;
1531     ppc64)
1532            CPU_CFLAGS="-m64"
1533            LDFLAGS="-m64 $LDFLAGS"
1534            cross_cc_ppc64=$cc
1535            cross_cc_cflags_ppc64=$CPU_CFLAGS
1536            ;;
1537     sparc)
1538            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1539            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1540            cross_cc_sparc=$cc
1541            cross_cc_cflags_sparc=$CPU_CFLAGS
1542            ;;
1543     sparc64)
1544            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1545            LDFLAGS="-m64 $LDFLAGS"
1546            cross_cc_sparc64=$cc
1547            cross_cc_cflags_sparc64=$CPU_CFLAGS
1548            ;;
1549     s390)
1550            CPU_CFLAGS="-m31"
1551            LDFLAGS="-m31 $LDFLAGS"
1552            cross_cc_s390=$cc
1553            cross_cc_cflags_s390=$CPU_CFLAGS
1554            ;;
1555     s390x)
1556            CPU_CFLAGS="-m64"
1557            LDFLAGS="-m64 $LDFLAGS"
1558            cross_cc_s390x=$cc
1559            cross_cc_cflags_s390x=$CPU_CFLAGS
1560            ;;
1561     i386)
1562            CPU_CFLAGS="-m32"
1563            LDFLAGS="-m32 $LDFLAGS"
1564            cross_cc_i386=$cc
1565            cross_cc_cflags_i386=$CPU_CFLAGS
1566            ;;
1567     x86_64)
1568            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1569            # If we truly care, we should simply detect this case at
1570            # runtime and generate the fallback to serial emulation.
1571            CPU_CFLAGS="-m64 -mcx16"
1572            LDFLAGS="-m64 $LDFLAGS"
1573            cross_cc_x86_64=$cc
1574            cross_cc_cflags_x86_64=$CPU_CFLAGS
1575            ;;
1576     x32)
1577            CPU_CFLAGS="-mx32"
1578            LDFLAGS="-mx32 $LDFLAGS"
1579            cross_cc_i386=$cc
1580            cross_cc_cflags_i386=$CPU_CFLAGS
1581            ;;
1582     # No special flags required for other host CPUs
1583 esac
1584
1585 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1586
1587 # For user-mode emulation the host arch has to be one we explicitly
1588 # support, even if we're using TCI.
1589 if [ "$ARCH" = "unknown" ]; then
1590   bsd_user="no"
1591   linux_user="no"
1592 fi
1593
1594 default_target_list=""
1595
1596 mak_wilds=""
1597
1598 if [ "$softmmu" = "yes" ]; then
1599     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1600 fi
1601 if [ "$linux_user" = "yes" ]; then
1602     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1603 fi
1604 if [ "$bsd_user" = "yes" ]; then
1605     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1606 fi
1607
1608 if test -z "$target_list_exclude"; then
1609     for config in $mak_wilds; do
1610         default_target_list="${default_target_list} $(basename "$config" .mak)"
1611     done
1612 else
1613     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1614     for config in $mak_wilds; do
1615         target="$(basename "$config" .mak)"
1616         exclude="no"
1617         for excl in $exclude_list; do
1618             if test "$excl" = "$target"; then
1619                 exclude="yes"
1620                 break;
1621             fi
1622         done
1623         if test "$exclude" = "no"; then
1624             default_target_list="${default_target_list} $target"
1625         fi
1626     done
1627 fi
1628
1629 # Enumerate public trace backends for --help output
1630 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1631
1632 if test x"$show_help" = x"yes" ; then
1633 cat << EOF
1634
1635 Usage: configure [options]
1636 Options: [defaults in brackets after descriptions]
1637
1638 Standard options:
1639   --help                   print this message
1640   --prefix=PREFIX          install in PREFIX [$prefix]
1641   --interp-prefix=PREFIX   where to find shared libraries, etc.
1642                            use %M for cpu name [$interp_prefix]
1643   --target-list=LIST       set target list (default: build everything)
1644 $(echo Available targets: $default_target_list | \
1645   fold -s -w 53 | sed -e 's/^/                           /')
1646   --target-list-exclude=LIST exclude a set of targets from the default target-list
1647
1648 Advanced options (experts only):
1649   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1650   --cc=CC                  use C compiler CC [$cc]
1651   --iasl=IASL              use ACPI compiler IASL [$iasl]
1652   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1653                            build time
1654   --cxx=CXX                use C++ compiler CXX [$cxx]
1655   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1656   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1657   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1658   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1659   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1660   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1661   --make=MAKE              use specified make [$make]
1662   --install=INSTALL        use specified install [$install]
1663   --python=PYTHON          use specified python [$python]
1664   --smbd=SMBD              use specified smbd [$smbd]
1665   --with-git=GIT           use specified git [$git]
1666   --static                 enable static build [$static]
1667   --mandir=PATH            install man pages in PATH
1668   --datadir=PATH           install firmware in PATH$confsuffix
1669   --docdir=PATH            install documentation in PATH$confsuffix
1670   --bindir=PATH            install binaries in PATH
1671   --libdir=PATH            install libraries in PATH
1672   --libexecdir=PATH        install helper binaries in PATH
1673   --sysconfdir=PATH        install config in PATH$confsuffix
1674   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1675   --firmwarepath=PATH      search PATH for firmware files
1676   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1677   --with-pkgversion=VERS   use specified string as sub-version of the package
1678   --enable-debug           enable common debug build options
1679   --enable-sanitizers      enable default sanitizers
1680   --disable-strip          disable stripping binaries
1681   --disable-werror         disable compilation abort on warning
1682   --disable-stack-protector disable compiler-provided stack protection
1683   --audio-drv-list=LIST    set audio drivers list:
1684                            Available drivers: $audio_possible_drivers
1685   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1686   --block-drv-rw-whitelist=L
1687                            set block driver read-write whitelist
1688                            (affects only QEMU, not qemu-img)
1689   --block-drv-ro-whitelist=L
1690                            set block driver read-only whitelist
1691                            (affects only QEMU, not qemu-img)
1692   --enable-trace-backends=B Set trace backend
1693                            Available backends: $trace_backend_list
1694   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1695                            Default:trace-<pid>
1696   --disable-slirp          disable SLIRP userspace network connectivity
1697   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1698   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1699   --oss-lib                path to OSS library
1700   --cpu=CPU                Build for host CPU [$cpu]
1701   --with-coroutine=BACKEND coroutine backend. Supported options:
1702                            ucontext, sigaltstack, windows
1703   --enable-gcov            enable test coverage analysis with gcov
1704   --gcov=GCOV              use specified gcov [$gcov_tool]
1705   --disable-blobs          disable installing provided firmware blobs
1706   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1707   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1708   --tls-priority           default TLS protocol/cipher priority string
1709   --enable-gprof           QEMU profiling with gprof
1710   --enable-profiler        profiler support
1711   --enable-debug-stack-usage
1712                            track the maximum stack usage of stacks created by qemu_alloc_stack
1713
1714 Optional features, enabled with --enable-FEATURE and
1715 disabled with --disable-FEATURE, default is enabled if available:
1716
1717   system          all system emulation targets
1718   user            supported user emulation targets
1719   linux-user      all linux usermode emulation targets
1720   bsd-user        all BSD usermode emulation targets
1721   docs            build documentation
1722   guest-agent     build the QEMU Guest Agent
1723   guest-agent-msi build guest agent Windows MSI installation package
1724   pie             Position Independent Executables
1725   modules         modules support
1726   debug-tcg       TCG debugging (default is disabled)
1727   debug-info      debugging information
1728   sparse          sparse checker
1729
1730   gnutls          GNUTLS cryptography support
1731   nettle          nettle cryptography support
1732   gcrypt          libgcrypt cryptography support
1733   auth-pam        PAM access control
1734   sdl             SDL UI
1735   sdl_image       SDL Image support for icons
1736   gtk             gtk UI
1737   vte             vte support for the gtk UI
1738   curses          curses UI
1739   iconv           font glyph conversion support
1740   vnc             VNC UI support
1741   vnc-sasl        SASL encryption for VNC server
1742   vnc-jpeg        JPEG lossy compression for VNC server
1743   vnc-png         PNG compression for VNC server
1744   cocoa           Cocoa UI (Mac OS X only)
1745   virtfs          VirtFS
1746   mpath           Multipath persistent reservation passthrough
1747   xen             xen backend driver support
1748   xen-pci-passthrough    PCI passthrough support for Xen
1749   brlapi          BrlAPI (Braile)
1750   curl            curl connectivity
1751   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1752   fdt             fdt device tree
1753   bluez           bluez stack connectivity
1754   kvm             KVM acceleration support
1755   hax             HAX acceleration support
1756   hvf             Hypervisor.framework acceleration support
1757   whpx            Windows Hypervisor Platform acceleration support
1758   rdma            Enable RDMA-based migration
1759   pvrdma          Enable PVRDMA support
1760   vde             support for vde network
1761   netmap          support for netmap network
1762   linux-aio       Linux AIO support
1763   cap-ng          libcap-ng support
1764   attr            attr and xattr support
1765   vhost-net       vhost-net kernel acceleration support
1766   vhost-vsock     virtio sockets device support
1767   vhost-scsi      vhost-scsi kernel target support
1768   vhost-crypto    vhost-user-crypto backend support
1769   vhost-kernel    vhost kernel backend support
1770   vhost-user      vhost-user backend support
1771   spice           spice
1772   rbd             rados block device (rbd)
1773   libiscsi        iscsi support
1774   libnfs          nfs support
1775   smartcard       smartcard support (libcacard)
1776   libusb          libusb (for usb passthrough)
1777   live-block-migration   Block migration in the main migration stream
1778   usb-redir       usb network redirection support
1779   lzo             support of lzo compression library
1780   snappy          support of snappy compression library
1781   bzip2           support of bzip2 compression library
1782                   (for reading bzip2-compressed dmg images)
1783   lzfse           support of lzfse compression library
1784                   (for reading lzfse-compressed dmg images)
1785   seccomp         seccomp support
1786   coroutine-pool  coroutine freelist (better performance)
1787   glusterfs       GlusterFS backend
1788   tpm             TPM support
1789   libssh2         ssh block device support
1790   numa            libnuma support
1791   libxml2         for Parallels image format
1792   tcmalloc        tcmalloc support
1793   jemalloc        jemalloc support
1794   avx2            AVX2 optimization support
1795   replication     replication support
1796   opengl          opengl support
1797   virglrenderer   virgl rendering support
1798   xfsctl          xfsctl support
1799   qom-cast-debug  cast debugging support
1800   tools           build qemu-io, qemu-nbd and qemu-img tools
1801   vxhs            Veritas HyperScale vDisk backend support
1802   bochs           bochs image format support
1803   cloop           cloop image format support
1804   dmg             dmg image format support
1805   qcow1           qcow v1 image format support
1806   vdi             vdi image format support
1807   vvfat           vvfat image format support
1808   qed             qed image format support
1809   parallels       parallels image format support
1810   sheepdog        sheepdog block driver support
1811   crypto-afalg    Linux AF_ALG crypto backend driver
1812   capstone        capstone disassembler support
1813   debug-mutex     mutex debugging support
1814   libpmem         libpmem support
1815
1816 NOTE: The object files are built at the place where configure is launched
1817 EOF
1818 exit 0
1819 fi
1820
1821 if ! has $python; then
1822   error_exit "Python not found. Use --python=/path/to/python"
1823 fi
1824
1825 # Note that if the Python conditional here evaluates True we will exit
1826 # with status 1 which is a shell 'false' value.
1827 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1828   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1829       "Use --python=/path/to/python to specify a supported Python."
1830 fi
1831
1832 # Preserve python version since some functionality is dependent on it
1833 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1834
1835 # Suppress writing compiled files
1836 python="$python -B"
1837
1838 # Check that the C compiler works. Doing this here before testing
1839 # the host CPU ensures that we had a valid CC to autodetect the
1840 # $cpu var (and we should bail right here if that's not the case).
1841 # It also allows the help message to be printed without a CC.
1842 write_c_skeleton;
1843 if compile_object ; then
1844   : C compiler works ok
1845 else
1846     error_exit "\"$cc\" either does not exist or does not work"
1847 fi
1848 if ! compile_prog ; then
1849     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1850 fi
1851
1852 # Now we have handled --enable-tcg-interpreter and know we're not just
1853 # printing the help message, bail out if the host CPU isn't supported.
1854 if test "$ARCH" = "unknown"; then
1855     if test "$tcg_interpreter" = "yes" ; then
1856         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1857     else
1858         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1859     fi
1860 fi
1861
1862 # Consult white-list to determine whether to enable werror
1863 # by default.  Only enable by default for git builds
1864 if test -z "$werror" ; then
1865     if test -e "$source_path/.git" && \
1866         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1867         werror="yes"
1868     else
1869         werror="no"
1870     fi
1871 fi
1872
1873 if test "$bogus_os" = "yes"; then
1874     # Now that we know that we're not printing the help and that
1875     # the compiler works (so the results of the check_defines we used
1876     # to identify the OS are reliable), if we didn't recognize the
1877     # host OS we should stop now.
1878     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1879 fi
1880
1881 # Check whether the compiler matches our minimum requirements:
1882 cat > $TMPC << EOF
1883 #if defined(__clang_major__) && defined(__clang_minor__)
1884 # ifdef __apple_build_version__
1885 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1886 #   error You need at least XCode Clang v5.1 to compile QEMU
1887 #  endif
1888 # else
1889 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1890 #   error You need at least Clang v3.4 to compile QEMU
1891 #  endif
1892 # endif
1893 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1894 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1895 #  error You need at least GCC v4.8 to compile QEMU
1896 # endif
1897 #else
1898 # error You either need GCC or Clang to compiler QEMU
1899 #endif
1900 int main (void) { return 0; }
1901 EOF
1902 if ! compile_prog "" "" ; then
1903     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1904 fi
1905
1906 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1907 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1908 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1909 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1910 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1911 gcc_flags="-Wno-string-plus-int $gcc_flags"
1912 # Note that we do not add -Werror to gcc_flags here, because that would
1913 # enable it for all configure tests. If a configure test failed due
1914 # to -Werror this would just silently disable some features,
1915 # so it's too error prone.
1916
1917 cc_has_warning_flag() {
1918     write_c_skeleton;
1919
1920     # Use the positive sense of the flag when testing for -Wno-wombat
1921     # support (gcc will happily accept the -Wno- form of unknown
1922     # warning options).
1923     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1924     compile_prog "-Werror $optflag" ""
1925 }
1926
1927 for flag in $gcc_flags; do
1928     if cc_has_warning_flag $flag ; then
1929         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1930     fi
1931 done
1932
1933 if test "$stack_protector" != "no"; then
1934   cat > $TMPC << EOF
1935 int main(int argc, char *argv[])
1936 {
1937     char arr[64], *p = arr, *c = argv[0];
1938     while (*c) {
1939         *p++ = *c++;
1940     }
1941     return 0;
1942 }
1943 EOF
1944   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1945   sp_on=0
1946   for flag in $gcc_flags; do
1947     # We need to check both a compile and a link, since some compiler
1948     # setups fail only on a .c->.o compile and some only at link time
1949     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1950        compile_prog "-Werror $flag" ""; then
1951       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1952       sp_on=1
1953       break
1954     fi
1955   done
1956   if test "$stack_protector" = yes; then
1957     if test $sp_on = 0; then
1958       error_exit "Stack protector not supported"
1959     fi
1960   fi
1961 fi
1962
1963 # Disable -Wmissing-braces on older compilers that warn even for
1964 # the "universal" C zero initializer {0}.
1965 cat > $TMPC << EOF
1966 struct {
1967   int a[2];
1968 } x = {0};
1969 EOF
1970 if compile_object "-Werror" "" ; then
1971   :
1972 else
1973   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1974 fi
1975
1976 # Static linking is not possible with modules or PIE
1977 if test "$static" = "yes" ; then
1978   if test "$modules" = "yes" ; then
1979     error_exit "static and modules are mutually incompatible"
1980   fi
1981   if test "$pie" = "yes" ; then
1982     error_exit "static and pie are mutually incompatible"
1983   else
1984     pie="no"
1985   fi
1986 fi
1987
1988 # Unconditional check for compiler __thread support
1989   cat > $TMPC << EOF
1990 static __thread int tls_var;
1991 int main(void) { return tls_var; }
1992 EOF
1993
1994 if ! compile_prog "-Werror" "" ; then
1995     error_exit "Your compiler does not support the __thread specifier for " \
1996         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1997 fi
1998
1999 if test "$pie" = ""; then
2000   case "$cpu-$targetos" in
2001     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2002       ;;
2003     *)
2004       pie="no"
2005       ;;
2006   esac
2007 fi
2008
2009 if test "$pie" != "no" ; then
2010   cat > $TMPC << EOF
2011
2012 #ifdef __linux__
2013 #  define THREAD __thread
2014 #else
2015 #  define THREAD
2016 #endif
2017
2018 static THREAD int tls_var;
2019
2020 int main(void) { return tls_var; }
2021
2022 EOF
2023   if compile_prog "-fPIE -DPIE" "-pie"; then
2024     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2025     LDFLAGS="-pie $LDFLAGS"
2026     pie="yes"
2027     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2028       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2029     fi
2030   else
2031     if test "$pie" = "yes"; then
2032       error_exit "PIE not available due to missing toolchain support"
2033     else
2034       echo "Disabling PIE due to missing toolchain support"
2035       pie="no"
2036     fi
2037   fi
2038
2039   if compile_prog "-Werror -fno-pie" "-nopie"; then
2040     CFLAGS_NOPIE="-fno-pie"
2041     LDFLAGS_NOPIE="-nopie"
2042   fi
2043 fi
2044
2045 ##########################################
2046 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2047 # use i686 as default anyway, but for those that don't, an explicit
2048 # specification is necessary
2049
2050 if test "$cpu" = "i386"; then
2051   cat > $TMPC << EOF
2052 static int sfaa(int *ptr)
2053 {
2054   return __sync_fetch_and_and(ptr, 0);
2055 }
2056
2057 int main(void)
2058 {
2059   int val = 42;
2060   val = __sync_val_compare_and_swap(&val, 0, 1);
2061   sfaa(&val);
2062   return val;
2063 }
2064 EOF
2065   if ! compile_prog "" "" ; then
2066     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2067   fi
2068 fi
2069
2070 #########################################
2071 # Solaris specific configure tool chain decisions
2072
2073 if test "$solaris" = "yes" ; then
2074   if has $install; then
2075     :
2076   else
2077     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2078         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2079         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2080   fi
2081   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2082     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2083         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2084         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2085   fi
2086   if has ar; then
2087     :
2088   else
2089     if test -f /usr/ccs/bin/ar ; then
2090       error_exit "No path includes ar" \
2091           "Add /usr/ccs/bin to your path and rerun configure"
2092     fi
2093     error_exit "No path includes ar"
2094   fi
2095 fi
2096
2097 if test -z "${target_list+xxx}" ; then
2098     for target in $default_target_list; do
2099         supported_target $target 2>/dev/null && \
2100             target_list="$target_list $target"
2101     done
2102     target_list="${target_list# }"
2103 else
2104     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2105     for target in $target_list; do
2106         # Check that we recognised the target name; this allows a more
2107         # friendly error message than if we let it fall through.
2108         case " $default_target_list " in
2109             *" $target "*)
2110                 ;;
2111             *)
2112                 error_exit "Unknown target name '$target'"
2113                 ;;
2114         esac
2115         supported_target $target || exit 1
2116     done
2117 fi
2118
2119 # see if system emulation was really requested
2120 case " $target_list " in
2121   *"-softmmu "*) softmmu=yes
2122   ;;
2123   *) softmmu=no
2124   ;;
2125 esac
2126
2127 feature_not_found() {
2128   feature=$1
2129   remedy=$2
2130
2131   error_exit "User requested feature $feature" \
2132       "configure was not able to find it." \
2133       "$remedy"
2134 }
2135
2136 # ---
2137 # big/little endian test
2138 cat > $TMPC << EOF
2139 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2140 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2141 extern int foo(short *, short *);
2142 int main(int argc, char *argv[]) {
2143     return foo(big_endian, little_endian);
2144 }
2145 EOF
2146
2147 if compile_object ; then
2148     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2149         bigendian="yes"
2150     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2151         bigendian="no"
2152     else
2153         echo big/little test failed
2154     fi
2155 else
2156     echo big/little test failed
2157 fi
2158
2159 ##########################################
2160 # cocoa implies not SDL or GTK
2161 # (the cocoa UI code currently assumes it is always the active UI
2162 # and doesn't interact well with other UI frontend code)
2163 if test "$cocoa" = "yes"; then
2164     if test "$sdl" = "yes"; then
2165         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2166     fi
2167     if test "$gtk" = "yes"; then
2168         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2169     fi
2170     gtk=no
2171     sdl=no
2172 fi
2173
2174 # Some versions of Mac OS X incorrectly define SIZE_MAX
2175 cat > $TMPC << EOF
2176 #include <stdint.h>
2177 #include <stdio.h>
2178 int main(int argc, char *argv[]) {
2179     return printf("%zu", SIZE_MAX);
2180 }
2181 EOF
2182 have_broken_size_max=no
2183 if ! compile_object -Werror ; then
2184     have_broken_size_max=yes
2185 fi
2186
2187 ##########################################
2188 # L2TPV3 probe
2189
2190 cat > $TMPC <<EOF
2191 #include <sys/socket.h>
2192 #include <linux/ip.h>
2193 int main(void) { return sizeof(struct mmsghdr); }
2194 EOF
2195 if compile_prog "" "" ; then
2196   l2tpv3=yes
2197 else
2198   l2tpv3=no
2199 fi
2200
2201 #########################################
2202 # vhost interdependencies and host support
2203
2204 # vhost backends
2205 test "$vhost_user" = "" && vhost_user=yes
2206 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2207   error_exit "vhost-user isn't available on win32"
2208 fi
2209 test "$vhost_kernel" = "" && vhost_kernel=$linux
2210 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2211   error_exit "vhost-kernel is only available on Linux"
2212 fi
2213
2214 # vhost-kernel devices
2215 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2216 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2217   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2218 fi
2219 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2220 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2221   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2222 fi
2223
2224 # vhost-user backends
2225 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2226 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2227   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2228 fi
2229 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2230 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2231   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2232 fi
2233
2234 # OR the vhost-kernel and vhost-user values for simplicity
2235 if test "$vhost_net" = ""; then
2236   test "$vhost_net_user" = "yes" && vhost_net=yes
2237   test "$vhost_kernel" = "yes" && vhost_net=yes
2238 fi
2239
2240 ##########################################
2241 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2242
2243 if test "$mingw32" = "yes"; then
2244     # Some versions of MinGW / Mingw-w64 lack localtime_r
2245     # and gmtime_r entirely.
2246     #
2247     # Some versions of Mingw-w64 define a macro for
2248     # localtime_r/gmtime_r.
2249     #
2250     # Some versions of Mingw-w64 will define functions
2251     # for localtime_r/gmtime_r, but only if you have
2252     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2253     # though, unistd.h and pthread.h both define
2254     # that for you.
2255     #
2256     # So this #undef localtime_r and #include <unistd.h>
2257     # are not in fact redundant.
2258 cat > $TMPC << EOF
2259 #include <unistd.h>
2260 #include <time.h>
2261 #undef localtime_r
2262 int main(void) { localtime_r(NULL, NULL); return 0; }
2263 EOF
2264     if compile_prog "" "" ; then
2265         localtime_r="yes"
2266     else
2267         localtime_r="no"
2268     fi
2269 fi
2270
2271 ##########################################
2272 # pkg-config probe
2273
2274 if ! has "$pkg_config_exe"; then
2275   error_exit "pkg-config binary '$pkg_config_exe' not found"
2276 fi
2277
2278 ##########################################
2279 # NPTL probe
2280
2281 if test "$linux_user" = "yes"; then
2282   cat > $TMPC <<EOF
2283 #include <sched.h>
2284 #include <linux/futex.h>
2285 int main(void) {
2286 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2287 #error bork
2288 #endif
2289   return 0;
2290 }
2291 EOF
2292   if ! compile_object ; then
2293     feature_not_found "nptl" "Install glibc and linux kernel headers."
2294   fi
2295 fi
2296
2297 ##########################################
2298 # lzo check
2299
2300 if test "$lzo" != "no" ; then
2301     cat > $TMPC << EOF
2302 #include <lzo/lzo1x.h>
2303 int main(void) { lzo_version(); return 0; }
2304 EOF
2305     if compile_prog "" "-llzo2" ; then
2306         libs_softmmu="$libs_softmmu -llzo2"
2307         lzo="yes"
2308     else
2309         if test "$lzo" = "yes"; then
2310             feature_not_found "liblzo2" "Install liblzo2 devel"
2311         fi
2312         lzo="no"
2313     fi
2314 fi
2315
2316 ##########################################
2317 # snappy check
2318
2319 if test "$snappy" != "no" ; then
2320     cat > $TMPC << EOF
2321 #include <snappy-c.h>
2322 int main(void) { snappy_max_compressed_length(4096); return 0; }
2323 EOF
2324     if compile_prog "" "-lsnappy" ; then
2325         libs_softmmu="$libs_softmmu -lsnappy"
2326         snappy="yes"
2327     else
2328         if test "$snappy" = "yes"; then
2329             feature_not_found "libsnappy" "Install libsnappy devel"
2330         fi
2331         snappy="no"
2332     fi
2333 fi
2334
2335 ##########################################
2336 # bzip2 check
2337
2338 if test "$bzip2" != "no" ; then
2339     cat > $TMPC << EOF
2340 #include <bzlib.h>
2341 int main(void) { BZ2_bzlibVersion(); return 0; }
2342 EOF
2343     if compile_prog "" "-lbz2" ; then
2344         bzip2="yes"
2345     else
2346         if test "$bzip2" = "yes"; then
2347             feature_not_found "libbzip2" "Install libbzip2 devel"
2348         fi
2349         bzip2="no"
2350     fi
2351 fi
2352
2353 ##########################################
2354 # lzfse check
2355
2356 if test "$lzfse" != "no" ; then
2357     cat > $TMPC << EOF
2358 #include <lzfse.h>
2359 int main(void) { lzfse_decode_scratch_size(); return 0; }
2360 EOF
2361     if compile_prog "" "-llzfse" ; then
2362         lzfse="yes"
2363     else
2364         if test "$lzfse" = "yes"; then
2365             feature_not_found "lzfse" "Install lzfse devel"
2366         fi
2367         lzfse="no"
2368     fi
2369 fi
2370
2371 ##########################################
2372 # libseccomp check
2373
2374 libseccomp_minver="2.2.0"
2375 if test "$seccomp" != "no" ; then
2376     case "$cpu" in
2377     i386|x86_64|mips)
2378         ;;
2379     arm|aarch64)
2380         libseccomp_minver="2.2.3"
2381         ;;
2382     ppc|ppc64|s390x)
2383         libseccomp_minver="2.3.0"
2384         ;;
2385     *)
2386         libseccomp_minver=""
2387         ;;
2388     esac
2389
2390     if test "$libseccomp_minver" != "" &&
2391        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2392         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2393         seccomp_libs="$($pkg_config --libs libseccomp)"
2394         seccomp="yes"
2395     else
2396         if test "$seccomp" = "yes" ; then
2397             if test "$libseccomp_minver" != "" ; then
2398                 feature_not_found "libseccomp" \
2399                     "Install libseccomp devel >= $libseccomp_minver"
2400             else
2401                 feature_not_found "libseccomp" \
2402                     "libseccomp is not supported for host cpu $cpu"
2403             fi
2404         fi
2405         seccomp="no"
2406     fi
2407 fi
2408 ##########################################
2409 # xen probe
2410
2411 if test "$xen" != "no" ; then
2412   # Check whether Xen library path is specified via --extra-ldflags to avoid
2413   # overriding this setting with pkg-config output. If not, try pkg-config
2414   # to obtain all needed flags.
2415
2416   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2417      $pkg_config --exists xencontrol ; then
2418     xen_ctrl_version="$(printf '%d%02d%02d' \
2419       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2420     xen=yes
2421     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2422     xen_pc="$xen_pc xenevtchn xendevicemodel"
2423     if $pkg_config --exists xentoolcore; then
2424       xen_pc="$xen_pc xentoolcore"
2425     fi
2426     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2427     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2428   else
2429
2430     xen_libs="-lxenstore -lxenctrl -lxenguest"
2431     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2432
2433     # First we test whether Xen headers and libraries are available.
2434     # If no, we are done and there is no Xen support.
2435     # If yes, more tests are run to detect the Xen version.
2436
2437     # Xen (any)
2438     cat > $TMPC <<EOF
2439 #include <xenctrl.h>
2440 int main(void) {
2441   return 0;
2442 }
2443 EOF
2444     if ! compile_prog "" "$xen_libs" ; then
2445       # Xen not found
2446       if test "$xen" = "yes" ; then
2447         feature_not_found "xen" "Install xen devel"
2448       fi
2449       xen=no
2450
2451     # Xen unstable
2452     elif
2453         cat > $TMPC <<EOF &&
2454 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2455 #define __XEN_TOOLS__
2456 #include <xendevicemodel.h>
2457 #include <xenforeignmemory.h>
2458 int main(void) {
2459   xendevicemodel_handle *xd;
2460   xenforeignmemory_handle *xfmem;
2461
2462   xd = xendevicemodel_open(0, 0);
2463   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2464
2465   xfmem = xenforeignmemory_open(0, 0);
2466   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2467
2468   return 0;
2469 }
2470 EOF
2471         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2472       then
2473       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2474       xen_ctrl_version=41100
2475       xen=yes
2476     elif
2477         cat > $TMPC <<EOF &&
2478 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2479 #include <xenforeignmemory.h>
2480 #include <xentoolcore.h>
2481 int main(void) {
2482   xenforeignmemory_handle *xfmem;
2483
2484   xfmem = xenforeignmemory_open(0, 0);
2485   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2486   xentoolcore_restrict_all(0);
2487
2488   return 0;
2489 }
2490 EOF
2491         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2492       then
2493       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2494       xen_ctrl_version=41000
2495       xen=yes
2496     elif
2497         cat > $TMPC <<EOF &&
2498 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2499 #define __XEN_TOOLS__
2500 #include <xendevicemodel.h>
2501 int main(void) {
2502   xendevicemodel_handle *xd;
2503
2504   xd = xendevicemodel_open(0, 0);
2505   xendevicemodel_close(xd);
2506
2507   return 0;
2508 }
2509 EOF
2510         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2511       then
2512       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2513       xen_ctrl_version=40900
2514       xen=yes
2515     elif
2516         cat > $TMPC <<EOF &&
2517 /*
2518  * If we have stable libs the we don't want the libxc compat
2519  * layers, regardless of what CFLAGS we may have been given.
2520  *
2521  * Also, check if xengnttab_grant_copy_segment_t is defined and
2522  * grant copy operation is implemented.
2523  */
2524 #undef XC_WANT_COMPAT_EVTCHN_API
2525 #undef XC_WANT_COMPAT_GNTTAB_API
2526 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2527 #include <xenctrl.h>
2528 #include <xenstore.h>
2529 #include <xenevtchn.h>
2530 #include <xengnttab.h>
2531 #include <xenforeignmemory.h>
2532 #include <stdint.h>
2533 #include <xen/hvm/hvm_info_table.h>
2534 #if !defined(HVM_MAX_VCPUS)
2535 # error HVM_MAX_VCPUS not defined
2536 #endif
2537 int main(void) {
2538   xc_interface *xc = NULL;
2539   xenforeignmemory_handle *xfmem;
2540   xenevtchn_handle *xe;
2541   xengnttab_handle *xg;
2542   xengnttab_grant_copy_segment_t* seg = NULL;
2543
2544   xs_daemon_open();
2545
2546   xc = xc_interface_open(0, 0, 0);
2547   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2548   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2549   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2550   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2551
2552   xfmem = xenforeignmemory_open(0, 0);
2553   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2554
2555   xe = xenevtchn_open(0, 0);
2556   xenevtchn_fd(xe);
2557
2558   xg = xengnttab_open(0, 0);
2559   xengnttab_grant_copy(xg, 0, seg);
2560
2561   return 0;
2562 }
2563 EOF
2564         compile_prog "" "$xen_libs $xen_stable_libs"
2565       then
2566       xen_ctrl_version=40800
2567       xen=yes
2568     elif
2569         cat > $TMPC <<EOF &&
2570 /*
2571  * If we have stable libs the we don't want the libxc compat
2572  * layers, regardless of what CFLAGS we may have been given.
2573  */
2574 #undef XC_WANT_COMPAT_EVTCHN_API
2575 #undef XC_WANT_COMPAT_GNTTAB_API
2576 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2577 #include <xenctrl.h>
2578 #include <xenstore.h>
2579 #include <xenevtchn.h>
2580 #include <xengnttab.h>
2581 #include <xenforeignmemory.h>
2582 #include <stdint.h>
2583 #include <xen/hvm/hvm_info_table.h>
2584 #if !defined(HVM_MAX_VCPUS)
2585 # error HVM_MAX_VCPUS not defined
2586 #endif
2587 int main(void) {
2588   xc_interface *xc = NULL;
2589   xenforeignmemory_handle *xfmem;
2590   xenevtchn_handle *xe;
2591   xengnttab_handle *xg;
2592
2593   xs_daemon_open();
2594
2595   xc = xc_interface_open(0, 0, 0);
2596   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2597   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2598   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2599   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2600
2601   xfmem = xenforeignmemory_open(0, 0);
2602   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2603
2604   xe = xenevtchn_open(0, 0);
2605   xenevtchn_fd(xe);
2606
2607   xg = xengnttab_open(0, 0);
2608   xengnttab_map_grant_ref(xg, 0, 0, 0);
2609
2610   return 0;
2611 }
2612 EOF
2613         compile_prog "" "$xen_libs $xen_stable_libs"
2614       then
2615       xen_ctrl_version=40701
2616       xen=yes
2617
2618     # Xen 4.6
2619     elif
2620         cat > $TMPC <<EOF &&
2621 #include <xenctrl.h>
2622 #include <xenstore.h>
2623 #include <stdint.h>
2624 #include <xen/hvm/hvm_info_table.h>
2625 #if !defined(HVM_MAX_VCPUS)
2626 # error HVM_MAX_VCPUS not defined
2627 #endif
2628 int main(void) {
2629   xc_interface *xc;
2630   xs_daemon_open();
2631   xc = xc_interface_open(0, 0, 0);
2632   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2633   xc_gnttab_open(NULL, 0);
2634   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2635   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2636   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2637   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2638   return 0;
2639 }
2640 EOF
2641         compile_prog "" "$xen_libs"
2642       then
2643       xen_ctrl_version=40600
2644       xen=yes
2645
2646     # Xen 4.5
2647     elif
2648         cat > $TMPC <<EOF &&
2649 #include <xenctrl.h>
2650 #include <xenstore.h>
2651 #include <stdint.h>
2652 #include <xen/hvm/hvm_info_table.h>
2653 #if !defined(HVM_MAX_VCPUS)
2654 # error HVM_MAX_VCPUS not defined
2655 #endif
2656 int main(void) {
2657   xc_interface *xc;
2658   xs_daemon_open();
2659   xc = xc_interface_open(0, 0, 0);
2660   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2661   xc_gnttab_open(NULL, 0);
2662   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2663   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2664   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2665   return 0;
2666 }
2667 EOF
2668         compile_prog "" "$xen_libs"
2669       then
2670       xen_ctrl_version=40500
2671       xen=yes
2672
2673     elif
2674         cat > $TMPC <<EOF &&
2675 #include <xenctrl.h>
2676 #include <xenstore.h>
2677 #include <stdint.h>
2678 #include <xen/hvm/hvm_info_table.h>
2679 #if !defined(HVM_MAX_VCPUS)
2680 # error HVM_MAX_VCPUS not defined
2681 #endif
2682 int main(void) {
2683   xc_interface *xc;
2684   xs_daemon_open();
2685   xc = xc_interface_open(0, 0, 0);
2686   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2687   xc_gnttab_open(NULL, 0);
2688   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2689   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2690   return 0;
2691 }
2692 EOF
2693         compile_prog "" "$xen_libs"
2694       then
2695       xen_ctrl_version=40200
2696       xen=yes
2697
2698     else
2699       if test "$xen" = "yes" ; then
2700         feature_not_found "xen (unsupported version)" \
2701                           "Install a supported xen (xen 4.2 or newer)"
2702       fi
2703       xen=no
2704     fi
2705
2706     if test "$xen" = yes; then
2707       if test $xen_ctrl_version -ge 40701  ; then
2708         libs_softmmu="$xen_stable_libs $libs_softmmu"
2709       fi
2710       libs_softmmu="$xen_libs $libs_softmmu"
2711     fi
2712   fi
2713 fi
2714
2715 if test "$xen_pci_passthrough" != "no"; then
2716   if test "$xen" = "yes" && test "$linux" = "yes"; then
2717     xen_pci_passthrough=yes
2718   else
2719     if test "$xen_pci_passthrough" = "yes"; then
2720       error_exit "User requested feature Xen PCI Passthrough" \
2721           " but this feature requires /sys from Linux"
2722     fi
2723     xen_pci_passthrough=no
2724   fi
2725 fi
2726
2727 ##########################################
2728 # Windows Hypervisor Platform accelerator (WHPX) check
2729 if test "$whpx" != "no" ; then
2730     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2731         whpx="yes"
2732     else
2733         if test "$whpx" = "yes"; then
2734             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2735         fi
2736         whpx="no"
2737     fi
2738 fi
2739
2740 ##########################################
2741 # Sparse probe
2742 if test "$sparse" != "no" ; then
2743   if has cgcc; then
2744     sparse=yes
2745   else
2746     if test "$sparse" = "yes" ; then
2747       feature_not_found "sparse" "Install sparse binary"
2748     fi
2749     sparse=no
2750   fi
2751 fi
2752
2753 ##########################################
2754 # X11 probe
2755 if $pkg_config --exists "x11"; then
2756     have_x11=yes
2757     x11_cflags=$($pkg_config --cflags x11)
2758     x11_libs=$($pkg_config --libs x11)
2759 fi
2760
2761 ##########################################
2762 # GTK probe
2763
2764 if test "$gtk" != "no"; then
2765     gtkpackage="gtk+-3.0"
2766     gtkx11package="gtk+-x11-3.0"
2767     gtkversion="3.14.0"
2768     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2769         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2770         gtk_libs=$($pkg_config --libs $gtkpackage)
2771         gtk_version=$($pkg_config --modversion $gtkpackage)
2772         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2773             need_x11=yes
2774             gtk_cflags="$gtk_cflags $x11_cflags"
2775             gtk_libs="$gtk_libs $x11_libs"
2776         fi
2777         gtk="yes"
2778     elif test "$gtk" = "yes"; then
2779         feature_not_found "gtk" "Install gtk3-devel"
2780     else
2781         gtk="no"
2782     fi
2783 fi
2784
2785
2786 ##########################################
2787 # GNUTLS probe
2788
2789 if test "$gnutls" != "no"; then
2790     if $pkg_config --exists "gnutls >= 3.1.18"; then
2791         gnutls_cflags=$($pkg_config --cflags gnutls)
2792         gnutls_libs=$($pkg_config --libs gnutls)
2793         libs_softmmu="$gnutls_libs $libs_softmmu"
2794         libs_tools="$gnutls_libs $libs_tools"
2795         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2796         gnutls="yes"
2797     elif test "$gnutls" = "yes"; then
2798         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2799     else
2800         gnutls="no"
2801     fi
2802 fi
2803
2804
2805 # If user didn't give a --disable/enable-gcrypt flag,
2806 # then mark as disabled if user requested nettle
2807 # explicitly
2808 if test -z "$gcrypt"
2809 then
2810     if test "$nettle" = "yes"
2811     then
2812         gcrypt="no"
2813     fi
2814 fi
2815
2816 # If user didn't give a --disable/enable-nettle flag,
2817 # then mark as disabled if user requested gcrypt
2818 # explicitly
2819 if test -z "$nettle"
2820 then
2821     if test "$gcrypt" = "yes"
2822     then
2823         nettle="no"
2824     fi
2825 fi
2826
2827 has_libgcrypt() {
2828     if ! has "libgcrypt-config"
2829     then
2830         return 1
2831     fi
2832
2833     if test -n "$cross_prefix"
2834     then
2835         host=$(libgcrypt-config --host)
2836         if test "$host-" != $cross_prefix
2837         then
2838             return 1
2839         fi
2840     fi
2841
2842     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2843     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2844
2845     if test $maj != 1 || test $min -lt 5
2846     then
2847        return 1
2848     fi
2849
2850     return 0
2851 }
2852
2853
2854 if test "$nettle" != "no"; then
2855     if $pkg_config --exists "nettle >= 2.7.1"; then
2856         nettle_cflags=$($pkg_config --cflags nettle)
2857         nettle_libs=$($pkg_config --libs nettle)
2858         nettle_version=$($pkg_config --modversion nettle)
2859         libs_softmmu="$nettle_libs $libs_softmmu"
2860         libs_tools="$nettle_libs $libs_tools"
2861         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2862         nettle="yes"
2863
2864         if test -z "$gcrypt"; then
2865            gcrypt="no"
2866         fi
2867     else
2868         if test "$nettle" = "yes"; then
2869             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2870         else
2871             nettle="no"
2872         fi
2873     fi
2874 fi
2875
2876 if test "$gcrypt" != "no"; then
2877     if has_libgcrypt; then
2878         gcrypt_cflags=$(libgcrypt-config --cflags)
2879         gcrypt_libs=$(libgcrypt-config --libs)
2880         # Debian has remove -lgpg-error from libgcrypt-config
2881         # as it "spreads unnecessary dependencies" which in
2882         # turn breaks static builds...
2883         if test "$static" = "yes"
2884         then
2885             gcrypt_libs="$gcrypt_libs -lgpg-error"
2886         fi
2887         libs_softmmu="$gcrypt_libs $libs_softmmu"
2888         libs_tools="$gcrypt_libs $libs_tools"
2889         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2890         gcrypt="yes"
2891
2892         cat > $TMPC << EOF
2893 #include <gcrypt.h>
2894 int main(void) {
2895   gcry_mac_hd_t handle;
2896   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2897                 GCRY_MAC_FLAG_SECURE, NULL);
2898   return 0;
2899 }
2900 EOF
2901         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2902             gcrypt_hmac=yes
2903         fi
2904     else
2905         if test "$gcrypt" = "yes"; then
2906             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2907         else
2908             gcrypt="no"
2909         fi
2910     fi
2911 fi
2912
2913
2914 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2915 then
2916     error_exit "Only one of gcrypt & nettle can be enabled"
2917 fi
2918
2919 ##########################################
2920 # libtasn1 - only for the TLS creds/session test suite
2921
2922 tasn1=yes
2923 tasn1_cflags=""
2924 tasn1_libs=""
2925 if $pkg_config --exists "libtasn1"; then
2926     tasn1_cflags=$($pkg_config --cflags libtasn1)
2927     tasn1_libs=$($pkg_config --libs libtasn1)
2928 else
2929     tasn1=no
2930 fi
2931
2932
2933 ##########################################
2934 # PAM probe
2935
2936 if test "$auth_pam" != "no"; then
2937     cat > $TMPC <<EOF
2938 #include <security/pam_appl.h>
2939 #include <stdio.h>
2940 int main(void) {
2941    const char *service_name = "qemu";
2942    const char *user = "frank";
2943    const struct pam_conv *pam_conv = NULL;
2944    pam_handle_t *pamh = NULL;
2945    pam_start(service_name, user, pam_conv, &pamh);
2946    return 0;
2947 }
2948 EOF
2949     if compile_prog "" "-lpam" ; then
2950         auth_pam=yes
2951     else
2952         if test "$auth_pam" = "yes"; then
2953             feature_not_found "PAM" "Install PAM development package"
2954         else
2955             auth_pam=no
2956         fi
2957     fi
2958 fi
2959
2960 ##########################################
2961 # getifaddrs (for tests/test-io-channel-socket )
2962
2963 have_ifaddrs_h=yes
2964 if ! check_include "ifaddrs.h" ; then
2965   have_ifaddrs_h=no
2966 fi
2967
2968 ##########################################
2969 # VTE probe
2970
2971 if test "$vte" != "no"; then
2972     vteminversion="0.32.0"
2973     if $pkg_config --exists "vte-2.91"; then
2974       vtepackage="vte-2.91"
2975     else
2976       vtepackage="vte-2.90"
2977     fi
2978     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2979         vte_cflags=$($pkg_config --cflags $vtepackage)
2980         vte_libs=$($pkg_config --libs $vtepackage)
2981         vteversion=$($pkg_config --modversion $vtepackage)
2982         vte="yes"
2983     elif test "$vte" = "yes"; then
2984         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2985     else
2986         vte="no"
2987     fi
2988 fi
2989
2990 ##########################################
2991 # SDL probe
2992
2993 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2994 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2995
2996 sdl_probe ()
2997 {
2998   if $pkg_config sdl2 --exists; then
2999     sdlconfig="$pkg_config sdl2"
3000     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3001   elif has ${sdl_config}; then
3002     sdlconfig="$sdl2_config"
3003     sdlversion=$($sdlconfig --version)
3004   else
3005     if test "$sdl" = "yes" ; then
3006       feature_not_found "sdl" "Install SDL2-devel"
3007     fi
3008     sdl=no
3009     # no need to do the rest
3010     return
3011   fi
3012   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
3013     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3014   fi
3015
3016   cat > $TMPC << EOF
3017 #include <SDL.h>
3018 #undef main /* We don't want SDL to override our main() */
3019 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3020 EOF
3021   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3022   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3023   if test "$static" = "yes" ; then
3024     if $pkg_config sdl2 --exists; then
3025       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3026     else
3027       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3028     fi
3029   else
3030     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3031   fi
3032   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3033     sdl=yes
3034
3035     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3036     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3037       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3038          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3039          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3040       fi
3041       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3042         :
3043       else
3044         sdl=no
3045       fi
3046     fi # static link
3047   else # sdl not found
3048     if test "$sdl" = "yes" ; then
3049       feature_not_found "sdl" "Install SDL2 devel"
3050     fi
3051     sdl=no
3052   fi # sdl compile test
3053 }
3054
3055 sdl_image_probe ()
3056 {
3057     if test "$sdl_image" != "no" ; then
3058         if $pkg_config SDL2_image --exists; then
3059             if test "$static" = "yes"; then
3060                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3061             else
3062                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3063             fi
3064             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3065             sdl_image=yes
3066
3067             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3068             sdl_libs="$sdl_libs $sdl_image_libs"
3069         else
3070             if test "$sdl_image" = "yes" ; then
3071                 feature_not_found "sdl_image" "Install SDL Image devel"
3072             else
3073                 sdl_image=no
3074             fi
3075         fi
3076     fi
3077 }
3078
3079 if test "$sdl" != "no" ; then
3080   sdl_probe
3081 fi
3082
3083 if test "$sdl" = "yes" ; then
3084   sdl_image_probe
3085 else
3086   if test "$sdl_image" = "yes"; then
3087     echo "warning: SDL Image requested, but SDL is not available, disabling"
3088   fi
3089   sdl_image=no
3090 fi
3091
3092 if test "$sdl" = "yes" ; then
3093   cat > $TMPC <<EOF
3094 #include <SDL.h>
3095 #if defined(SDL_VIDEO_DRIVER_X11)
3096 #include <X11/XKBlib.h>
3097 #else
3098 #error No x11 support
3099 #endif
3100 int main(void) { return 0; }
3101 EOF
3102   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3103     need_x11=yes
3104     sdl_cflags="$sdl_cflags $x11_cflags"
3105     sdl_libs="$sdl_libs $x11_libs"
3106   fi
3107 fi
3108
3109 ##########################################
3110 # RDMA needs OpenFabrics libraries
3111 if test "$rdma" != "no" ; then
3112   cat > $TMPC <<EOF
3113 #include <rdma/rdma_cma.h>
3114 int main(void) { return 0; }
3115 EOF
3116   rdma_libs="-lrdmacm -libverbs -libumad"
3117   if compile_prog "" "$rdma_libs" ; then
3118     rdma="yes"
3119     libs_softmmu="$libs_softmmu $rdma_libs"
3120   else
3121     if test "$rdma" = "yes" ; then
3122         error_exit \
3123             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3124             " Your options:" \
3125             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3126             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3127             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3128     fi
3129     rdma="no"
3130   fi
3131 fi
3132
3133 ##########################################
3134 # PVRDMA detection
3135
3136 cat > $TMPC <<EOF &&
3137 #include <sys/mman.h>
3138
3139 int
3140 main(void)
3141 {
3142     char buf = 0;
3143     void *addr = &buf;
3144     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3145
3146     return 0;
3147 }
3148 EOF
3149
3150 if test "$rdma" = "yes" ; then
3151     case "$pvrdma" in
3152     "")
3153         if compile_prog "" ""; then
3154             pvrdma="yes"
3155         else
3156             pvrdma="no"
3157         fi
3158         ;;
3159     "yes")
3160         if ! compile_prog "" ""; then
3161             error_exit "PVRDMA is not supported since mremap is not implemented"
3162         fi
3163         pvrdma="yes"
3164         ;;
3165     "no")
3166         pvrdma="no"
3167         ;;
3168     esac
3169 else
3170     if test "$pvrdma" = "yes" ; then
3171         error_exit "PVRDMA requires rdma suppport"
3172     fi
3173     pvrdma="no"
3174 fi
3175
3176 ##########################################
3177 # VNC SASL detection
3178 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3179   cat > $TMPC <<EOF
3180 #include <sasl/sasl.h>
3181 #include <stdio.h>
3182 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3183 EOF
3184   # Assuming Cyrus-SASL installed in /usr prefix
3185   vnc_sasl_cflags=""
3186   vnc_sasl_libs="-lsasl2"
3187   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3188     vnc_sasl=yes
3189     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3190     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3191   else
3192     if test "$vnc_sasl" = "yes" ; then
3193       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3194     fi
3195     vnc_sasl=no
3196   fi
3197 fi
3198
3199 ##########################################
3200 # VNC JPEG detection
3201 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3202 cat > $TMPC <<EOF
3203 #include <stdio.h>
3204 #include <jpeglib.h>
3205 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3206 EOF
3207     vnc_jpeg_cflags=""
3208     vnc_jpeg_libs="-ljpeg"
3209   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3210     vnc_jpeg=yes
3211     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3212     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3213   else
3214     if test "$vnc_jpeg" = "yes" ; then
3215       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3216     fi
3217     vnc_jpeg=no
3218   fi
3219 fi
3220
3221 ##########################################
3222 # VNC PNG detection
3223 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3224 cat > $TMPC <<EOF
3225 //#include <stdio.h>
3226 #include <png.h>
3227 #include <stddef.h>
3228 int main(void) {
3229     png_structp png_ptr;
3230     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3231     return png_ptr != 0;
3232 }
3233 EOF
3234   if $pkg_config libpng --exists; then
3235     vnc_png_cflags=$($pkg_config libpng --cflags)
3236     vnc_png_libs=$($pkg_config libpng --libs)
3237   else
3238     vnc_png_cflags=""
3239     vnc_png_libs="-lpng"
3240   fi
3241   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3242     vnc_png=yes
3243     libs_softmmu="$vnc_png_libs $libs_softmmu"
3244     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3245   else
3246     if test "$vnc_png" = "yes" ; then
3247       feature_not_found "vnc-png" "Install libpng devel"
3248     fi
3249     vnc_png=no
3250   fi
3251 fi
3252
3253 ##########################################
3254 # xkbcommon probe
3255 if test "$xkbcommon" != "no" ; then
3256   if $pkg_config xkbcommon --exists; then
3257     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3258     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3259     xkbcommon=yes
3260   else
3261     if test "$xkbcommon" = "yes" ; then
3262       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3263     fi
3264     xkbcommon=no
3265   fi
3266 fi
3267
3268
3269 ##########################################
3270 # xfsctl() probe, used for file-posix.c
3271 if test "$xfs" != "no" ; then
3272   cat > $TMPC << EOF
3273 #include <stddef.h>  /* NULL */
3274 #include <xfs/xfs.h>
3275 int main(void)
3276 {
3277     xfsctl(NULL, 0, 0, NULL);
3278     return 0;
3279 }
3280 EOF
3281   if compile_prog "" "" ; then
3282     xfs="yes"
3283   else
3284     if test "$xfs" = "yes" ; then
3285       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3286     fi
3287     xfs=no
3288   fi
3289 fi
3290
3291 ##########################################
3292 # vde libraries probe
3293 if test "$vde" != "no" ; then
3294   vde_libs="-lvdeplug"
3295   cat > $TMPC << EOF
3296 #include <libvdeplug.h>
3297 int main(void)
3298 {
3299     struct vde_open_args a = {0, 0, 0};
3300     char s[] = "";
3301     vde_open(s, s, &a);
3302     return 0;
3303 }
3304 EOF
3305   if compile_prog "" "$vde_libs" ; then
3306     vde=yes
3307   else
3308     if test "$vde" = "yes" ; then
3309       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3310     fi
3311     vde=no
3312   fi
3313 fi
3314
3315 ##########################################
3316 # netmap support probe
3317 # Apart from looking for netmap headers, we make sure that the host API version
3318 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3319 # a minor/major version number. Minor new features will be marked with values up
3320 # to 15, and if something happens that requires a change to the backend we will
3321 # move above 15, submit the backend fixes and modify this two bounds.
3322 if test "$netmap" != "no" ; then
3323   cat > $TMPC << EOF
3324 #include <inttypes.h>
3325 #include <net/if.h>
3326 #include <net/netmap.h>
3327 #include <net/netmap_user.h>
3328 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3329 #error
3330 #endif
3331 int main(void) { return 0; }
3332 EOF
3333   if compile_prog "" "" ; then
3334     netmap=yes
3335   else
3336     if test "$netmap" = "yes" ; then
3337       feature_not_found "netmap"
3338     fi
3339     netmap=no
3340   fi
3341 fi
3342
3343 ##########################################
3344 # libcap-ng library probe
3345 if test "$cap_ng" != "no" ; then
3346   cap_libs="-lcap-ng"
3347   cat > $TMPC << EOF
3348 #include <cap-ng.h>
3349 int main(void)
3350 {
3351     capng_capability_to_name(CAPNG_EFFECTIVE);
3352     return 0;
3353 }
3354 EOF
3355   if compile_prog "" "$cap_libs" ; then
3356     cap_ng=yes
3357     libs_tools="$cap_libs $libs_tools"
3358   else
3359     if test "$cap_ng" = "yes" ; then
3360       feature_not_found "cap_ng" "Install libcap-ng devel"
3361     fi
3362     cap_ng=no
3363   fi
3364 fi
3365
3366 ##########################################
3367 # Sound support libraries probe
3368
3369 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3370 for drv in $audio_drv_list; do
3371     case $drv in
3372     alsa | try-alsa)
3373     if $pkg_config alsa --exists; then
3374         alsa_libs=$($pkg_config alsa --libs)
3375         if test "$drv" = "try-alsa"; then
3376             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3377         fi
3378     else
3379         if test "$drv" = "try-alsa"; then
3380             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3381         else
3382             error_exit "$drv check failed" \
3383                 "Make sure to have the $drv libs and headers installed."
3384         fi
3385     fi
3386     ;;
3387
3388     pa | try-pa)
3389     if $pkg_config libpulse --exists; then
3390         pulse_libs=$($pkg_config libpulse --libs)
3391         audio_pt_int="yes"
3392         if test "$drv" = "try-pa"; then
3393             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3394         fi
3395     else
3396         if test "$drv" = "try-pa"; then
3397             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3398         else
3399             error_exit "$drv check failed" \
3400                 "Make sure to have the $drv libs and headers installed."
3401         fi
3402     fi
3403     ;;
3404
3405     sdl)
3406     if test "$sdl" = "no"; then
3407         error_exit "sdl not found or disabled, can not use sdl audio driver"
3408     fi
3409     ;;
3410
3411     try-sdl)
3412     if test "$sdl" = "no"; then
3413         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3414     else
3415         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3416     fi
3417     ;;
3418
3419     coreaudio)
3420       coreaudio_libs="-framework CoreAudio"
3421     ;;
3422
3423     dsound)
3424       dsound_libs="-lole32 -ldxguid"
3425       audio_win_int="yes"
3426     ;;
3427
3428     oss)
3429       oss_libs="$oss_lib"
3430     ;;
3431
3432     *)
3433     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3434         error_exit "Unknown driver '$drv' selected" \
3435             "Possible drivers are: $audio_possible_drivers"
3436     }
3437     ;;
3438     esac
3439 done
3440
3441 ##########################################
3442 # BrlAPI probe
3443
3444 if test "$brlapi" != "no" ; then
3445   brlapi_libs="-lbrlapi"
3446   cat > $TMPC << EOF
3447 #include <brlapi.h>
3448 #include <stddef.h>
3449 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3450 EOF
3451   if compile_prog "" "$brlapi_libs" ; then
3452     brlapi=yes
3453   else
3454     if test "$brlapi" = "yes" ; then
3455       feature_not_found "brlapi" "Install brlapi devel"
3456     fi
3457     brlapi=no
3458   fi
3459 fi
3460
3461 ##########################################
3462 # iconv probe
3463 if test "$iconv" != "no" ; then
3464   cat > $TMPC << EOF
3465 #include <iconv.h>
3466 int main(void) {
3467   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3468   return conv != (iconv_t) -1;
3469 }
3470 EOF
3471   iconv_prefix_list="/usr/local:/usr"
3472   iconv_lib_list=":-liconv"
3473   IFS=:
3474   for iconv_prefix in $iconv_prefix_list; do
3475     IFS=:
3476     iconv_cflags="-I$iconv_prefix/include"
3477     iconv_ldflags="-L$iconv_prefix/lib"
3478     for iconv_link in $iconv_lib_list; do
3479       unset IFS
3480       iconv_lib="$iconv_ldflags $iconv_link"
3481       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3482       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3483         iconv_found=yes
3484         break
3485       fi
3486     done
3487     if test "$iconv_found" = yes ; then
3488       break
3489     fi
3490   done
3491   if test "$iconv_found" = "yes" ; then
3492     iconv=yes
3493   else
3494     if test "$iconv" = "yes" ; then
3495       feature_not_found "iconv" "Install iconv devel"
3496     fi
3497     iconv=no
3498   fi
3499 fi
3500
3501 ##########################################
3502 # curses probe
3503 if test "$iconv" = "no" ; then
3504   # curses will need iconv
3505   curses=no
3506 fi
3507 if test "$curses" != "no" ; then
3508   if test "$mingw32" = "yes" ; then
3509     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3510     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3511   else
3512     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3513     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3514   fi
3515   curses_found=no
3516   cat > $TMPC << EOF
3517 #include <locale.h>
3518 #include <curses.h>
3519 #include <wchar.h>
3520 #include <langinfo.h>
3521 int main(void) {
3522   const char *codeset;
3523   wchar_t wch = L'w';
3524   setlocale(LC_ALL, "");
3525   resize_term(0, 0);
3526   addwstr(L"wide chars\n");
3527   addnwstr(&wch, 1);
3528   add_wch(WACS_DEGREE);
3529   codeset = nl_langinfo(CODESET);
3530   return codeset != 0;
3531 }
3532 EOF
3533   IFS=:
3534   for curses_inc in $curses_inc_list; do
3535     # Make sure we get the wide character prototypes
3536     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3537     IFS=:
3538     for curses_lib in $curses_lib_list; do
3539       unset IFS
3540       if compile_prog "$curses_inc" "$curses_lib" ; then
3541         curses_found=yes
3542         break
3543       fi
3544     done
3545     if test "$curses_found" = yes ; then
3546       break
3547     fi
3548   done
3549   unset IFS
3550   if test "$curses_found" = "yes" ; then
3551     curses=yes
3552   else
3553     if test "$curses" = "yes" ; then
3554       feature_not_found "curses" "Install ncurses devel"
3555     fi
3556     curses=no
3557   fi
3558 fi
3559
3560 ##########################################
3561 # curl probe
3562 if test "$curl" != "no" ; then
3563   if $pkg_config libcurl --exists; then
3564     curlconfig="$pkg_config libcurl"
3565   else
3566     curlconfig=curl-config
3567   fi
3568   cat > $TMPC << EOF
3569 #include <curl/curl.h>
3570 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3571 EOF
3572   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3573   curl_libs=$($curlconfig --libs 2>/dev/null)
3574   if compile_prog "$curl_cflags" "$curl_libs" ; then
3575     curl=yes
3576   else
3577     if test "$curl" = "yes" ; then
3578       feature_not_found "curl" "Install libcurl devel"
3579     fi
3580     curl=no
3581   fi
3582 fi # test "$curl"
3583
3584 ##########################################
3585 # bluez support probe
3586 if test "$bluez" != "no" ; then
3587   cat > $TMPC << EOF
3588 #include <bluetooth/bluetooth.h>
3589 int main(void) { return bt_error(0); }
3590 EOF
3591   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3592   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3593   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3594     bluez=yes
3595     libs_softmmu="$bluez_libs $libs_softmmu"
3596   else
3597     if test "$bluez" = "yes" ; then
3598       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3599     fi
3600     bluez="no"
3601   fi
3602 fi
3603
3604 ##########################################
3605 # glib support probe
3606
3607 glib_req_ver=2.40
3608 glib_modules=gthread-2.0
3609 if test "$modules" = yes; then
3610     glib_modules="$glib_modules gmodule-export-2.0"
3611 fi
3612
3613 # This workaround is required due to a bug in pkg-config file for glib as it
3614 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3615
3616 if test "$static" = yes && test "$mingw32" = yes; then
3617     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3618 fi
3619
3620 for i in $glib_modules; do
3621     if $pkg_config --atleast-version=$glib_req_ver $i; then
3622         glib_cflags=$($pkg_config --cflags $i)
3623         glib_libs=$($pkg_config --libs $i)
3624         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3625         LIBS="$glib_libs $LIBS"
3626         libs_qga="$glib_libs $libs_qga"
3627     else
3628         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3629     fi
3630 done
3631
3632 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3633     gio=yes
3634     gio_cflags=$($pkg_config --cflags gio-2.0)
3635     gio_libs=$($pkg_config --libs gio-2.0)
3636 else
3637     gio=no
3638 fi
3639
3640 # Sanity check that the current size_t matches the
3641 # size that glib thinks it should be. This catches
3642 # problems on multi-arch where people try to build
3643 # 32-bit QEMU while pointing at 64-bit glib headers
3644 cat > $TMPC <<EOF
3645 #include <glib.h>
3646 #include <unistd.h>
3647
3648 #define QEMU_BUILD_BUG_ON(x) \
3649   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3650
3651 int main(void) {
3652    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3653    return 0;
3654 }
3655 EOF
3656
3657 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3658     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3659                "You probably need to set PKG_CONFIG_LIBDIR"\
3660                "to point to the right pkg-config files for your"\
3661                "build target"
3662 fi
3663
3664 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3665 cat > $TMPC << EOF
3666 #include <glib.h>
3667 int main(void) { return 0; }
3668 EOF
3669 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3670     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3671         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3672         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3673     fi
3674 fi
3675
3676 #########################################
3677 # zlib check
3678
3679 if test "$zlib" != "no" ; then
3680     if $pkg_config --exists zlib; then
3681         zlib_cflags=$($pkg_config --cflags zlib)
3682         zlib_libs=$($pkg_config --libs zlib)
3683         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3684         LIBS="$zlib_libs $LIBS"
3685     else
3686         cat > $TMPC << EOF
3687 #include <zlib.h>
3688 int main(void) { zlibVersion(); return 0; }
3689 EOF
3690         if compile_prog "" "-lz" ; then
3691             LIBS="$LIBS -lz"
3692         else
3693             error_exit "zlib check failed" \
3694                 "Make sure to have the zlib libs and headers installed."
3695         fi
3696     fi
3697 fi
3698
3699 ##########################################
3700 # SHA command probe for modules
3701 if test "$modules" = yes; then
3702     shacmd_probe="sha1sum sha1 shasum"
3703     for c in $shacmd_probe; do
3704         if has $c; then
3705             shacmd="$c"
3706             break
3707         fi
3708     done
3709     if test "$shacmd" = ""; then
3710         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3711     fi
3712 fi
3713
3714 ##########################################
3715 # pixman support probe
3716
3717 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3718   pixman_cflags=
3719   pixman_libs=
3720 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3721   pixman_cflags=$($pkg_config --cflags pixman-1)
3722   pixman_libs=$($pkg_config --libs pixman-1)
3723 else
3724   error_exit "pixman >= 0.21.8 not present." \
3725       "Please install the pixman devel package."
3726 fi
3727
3728 ##########################################
3729 # libmpathpersist probe
3730
3731 if test "$mpath" != "no" ; then
3732   # probe for the new API
3733   cat > $TMPC <<EOF
3734 #include <libudev.h>
3735 #include <mpath_persist.h>
3736 unsigned mpath_mx_alloc_len = 1024;
3737 int logsink;
3738 static struct config *multipath_conf;
3739 extern struct udev *udev;
3740 extern struct config *get_multipath_config(void);
3741 extern void put_multipath_config(struct config *conf);
3742 struct udev *udev;
3743 struct config *get_multipath_config(void) { return multipath_conf; }
3744 void put_multipath_config(struct config *conf) { }
3745
3746 int main(void) {
3747     udev = udev_new();
3748     multipath_conf = mpath_lib_init();
3749     return 0;
3750 }
3751 EOF
3752   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3753     mpathpersist=yes
3754     mpathpersist_new_api=yes
3755   else
3756     # probe for the old API
3757     cat > $TMPC <<EOF
3758 #include <libudev.h>
3759 #include <mpath_persist.h>
3760 unsigned mpath_mx_alloc_len = 1024;
3761 int logsink;
3762 int main(void) {
3763     struct udev *udev = udev_new();
3764     mpath_lib_init(udev);
3765     return 0;
3766 }
3767 EOF
3768     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3769       mpathpersist=yes
3770       mpathpersist_new_api=no
3771     else
3772       mpathpersist=no
3773     fi
3774   fi
3775 else
3776   mpathpersist=no
3777 fi
3778
3779 ##########################################
3780 # libcap probe
3781
3782 if test "$cap" != "no" ; then
3783   cat > $TMPC <<EOF
3784 #include <stdio.h>
3785 #include <sys/capability.h>
3786 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3787 EOF
3788   if compile_prog "" "-lcap" ; then
3789     cap=yes
3790   else
3791     cap=no
3792   fi
3793 fi
3794
3795 ##########################################
3796 # pthread probe
3797 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3798
3799 pthread=no
3800 cat > $TMPC << EOF
3801 #include <pthread.h>
3802 static void *f(void *p) { return NULL; }
3803 int main(void) {
3804   pthread_t thread;
3805   pthread_create(&thread, 0, f, 0);
3806   return 0;
3807 }
3808 EOF
3809 if compile_prog "" "" ; then
3810   pthread=yes
3811 else
3812   for pthread_lib in $PTHREADLIBS_LIST; do
3813     if compile_prog "" "$pthread_lib" ; then
3814       pthread=yes
3815       found=no
3816       for lib_entry in $LIBS; do
3817         if test "$lib_entry" = "$pthread_lib"; then
3818           found=yes
3819           break
3820         fi
3821       done
3822       if test "$found" = "no"; then
3823         LIBS="$pthread_lib $LIBS"
3824         libs_qga="$pthread_lib $libs_qga"
3825       fi
3826       PTHREAD_LIB="$pthread_lib"
3827       break
3828     fi
3829   done
3830 fi
3831
3832 if test "$mingw32" != yes && test "$pthread" = no; then
3833   error_exit "pthread check failed" \
3834       "Make sure to have the pthread libs and headers installed."
3835 fi
3836
3837 # check for pthread_setname_np with thread id
3838 pthread_setname_np_w_tid=no
3839 cat > $TMPC << EOF
3840 #include <pthread.h>
3841
3842 static void *f(void *p) { return NULL; }
3843 int main(void)
3844 {
3845     pthread_t thread;
3846     pthread_create(&thread, 0, f, 0);
3847     pthread_setname_np(thread, "QEMU");
3848     return 0;
3849 }
3850 EOF
3851 if compile_prog "" "$pthread_lib" ; then
3852   pthread_setname_np_w_tid=yes
3853 fi
3854
3855 # check for pthread_setname_np without thread id
3856 pthread_setname_np_wo_tid=no
3857 cat > $TMPC << EOF
3858 #include <pthread.h>
3859
3860 static void *f(void *p) { pthread_setname_np("QEMU"); }
3861 int main(void)
3862 {
3863     pthread_t thread;
3864     pthread_create(&thread, 0, f, 0);
3865     return 0;
3866 }
3867 EOF
3868 if compile_prog "" "$pthread_lib" ; then
3869   pthread_setname_np_wo_tid=yes
3870 fi
3871
3872 ##########################################
3873 # rbd probe
3874 if test "$rbd" != "no" ; then
3875   cat > $TMPC <<EOF
3876 #include <stdio.h>
3877 #include <rbd/librbd.h>
3878 int main(void) {
3879     rados_t cluster;
3880     rados_create(&cluster, NULL);
3881     return 0;
3882 }
3883 EOF
3884   rbd_libs="-lrbd -lrados"
3885   if compile_prog "" "$rbd_libs" ; then
3886     rbd=yes
3887   else
3888     if test "$rbd" = "yes" ; then
3889       feature_not_found "rados block device" "Install librbd/ceph devel"
3890     fi
3891     rbd=no
3892   fi
3893 fi
3894
3895 ##########################################
3896 # libssh2 probe
3897 min_libssh2_version=1.2.8
3898 if test "$libssh2" != "no" ; then
3899   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3900     libssh2_cflags=$($pkg_config libssh2 --cflags)
3901     libssh2_libs=$($pkg_config libssh2 --libs)
3902     libssh2=yes
3903   else
3904     if test "$libssh2" = "yes" ; then
3905       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3906     fi
3907     libssh2=no
3908   fi
3909 fi
3910
3911 ##########################################
3912 # libssh2_sftp_fsync probe
3913
3914 if test "$libssh2" = "yes"; then
3915   cat > $TMPC <<EOF
3916 #include <stdio.h>
3917 #include <libssh2.h>
3918 #include <libssh2_sftp.h>
3919 int main(void) {
3920     LIBSSH2_SESSION *session;
3921     LIBSSH2_SFTP *sftp;
3922     LIBSSH2_SFTP_HANDLE *sftp_handle;
3923     session = libssh2_session_init ();
3924     sftp = libssh2_sftp_init (session);
3925     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3926     libssh2_sftp_fsync (sftp_handle);
3927     return 0;
3928 }
3929 EOF
3930   # libssh2_cflags/libssh2_libs defined in previous test.
3931   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3932     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3933   fi
3934 fi
3935
3936 ##########################################
3937 # linux-aio probe
3938
3939 if test "$linux_aio" != "no" ; then
3940   cat > $TMPC <<EOF
3941 #include <libaio.h>
3942 #include <sys/eventfd.h>
3943 #include <stddef.h>
3944 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3945 EOF
3946   if compile_prog "" "-laio" ; then
3947     linux_aio=yes
3948   else
3949     if test "$linux_aio" = "yes" ; then
3950       feature_not_found "linux AIO" "Install libaio devel"
3951     fi
3952     linux_aio=no
3953   fi
3954 fi
3955
3956 ##########################################
3957 # TPM emulation is only on POSIX
3958
3959 if test "$tpm" = ""; then
3960   if test "$mingw32" = "yes"; then
3961     tpm=no
3962   else
3963     tpm=yes
3964   fi
3965 elif test "$tpm" = "yes"; then
3966   if test "$mingw32" = "yes" ; then
3967     error_exit "TPM emulation only available on POSIX systems"
3968   fi
3969 fi
3970
3971 ##########################################
3972 # attr probe
3973
3974 if test "$attr" != "no" ; then
3975   cat > $TMPC <<EOF
3976 #include <stdio.h>
3977 #include <sys/types.h>
3978 #ifdef CONFIG_LIBATTR
3979 #include <attr/xattr.h>
3980 #else
3981 #include <sys/xattr.h>
3982 #endif
3983 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3984 EOF
3985   if compile_prog "" "" ; then
3986     attr=yes
3987   # Older distros have <attr/xattr.h>, and need -lattr:
3988   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3989     attr=yes
3990     LIBS="-lattr $LIBS"
3991     libattr=yes
3992   else
3993     if test "$attr" = "yes" ; then
3994       feature_not_found "ATTR" "Install libc6 or libattr devel"
3995     fi
3996     attr=no
3997   fi
3998 fi
3999
4000 ##########################################
4001 # iovec probe
4002 cat > $TMPC <<EOF
4003 #include <sys/types.h>
4004 #include <sys/uio.h>
4005 #include <unistd.h>
4006 int main(void) { return sizeof(struct iovec); }
4007 EOF
4008 iovec=no
4009 if compile_prog "" "" ; then
4010   iovec=yes
4011 fi
4012
4013 ##########################################
4014 # preadv probe
4015 cat > $TMPC <<EOF
4016 #include <sys/types.h>
4017 #include <sys/uio.h>
4018 #include <unistd.h>
4019 int main(void) { return preadv(0, 0, 0, 0); }
4020 EOF
4021 preadv=no
4022 if compile_prog "" "" ; then
4023   preadv=yes
4024 fi
4025
4026 ##########################################
4027 # fdt probe
4028 # fdt support is mandatory for at least some target architectures,
4029 # so insist on it if we're building those system emulators.
4030 fdt_required=no
4031 for target in $target_list; do
4032   case $target in
4033     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4034       fdt_required=yes
4035     ;;
4036   esac
4037 done
4038
4039 if test "$fdt_required" = "yes"; then
4040   if test "$fdt" = "no"; then
4041     error_exit "fdt disabled but some requested targets require it." \
4042       "You can turn off fdt only if you also disable all the system emulation" \
4043       "targets which need it (by specifying a cut down --target-list)."
4044   fi
4045   fdt=yes
4046 fi
4047
4048 if test "$fdt" != "no" ; then
4049   fdt_libs="-lfdt"
4050   # explicitly check for libfdt_env.h as it is missing in some stable installs
4051   # and test for required functions to make sure we are on a version >= 1.4.2
4052   cat > $TMPC << EOF
4053 #include <libfdt.h>
4054 #include <libfdt_env.h>
4055 int main(void) { fdt_check_full(NULL, 0); return 0; }
4056 EOF
4057   if compile_prog "" "$fdt_libs" ; then
4058     # system DTC is good - use it
4059     fdt=system
4060   else
4061       # have GIT checkout, so activate dtc submodule
4062       if test -e "${source_path}/.git" ; then
4063           git_submodules="${git_submodules} dtc"
4064       fi
4065       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4066           fdt=git
4067           mkdir -p dtc
4068           if [ "$pwd_is_source_path" != "y" ] ; then
4069               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4070               symlink "$source_path/dtc/scripts" "dtc/scripts"
4071           fi
4072           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4073           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4074           fdt_libs="$fdt_libs"
4075       elif test "$fdt" = "yes" ; then
4076           # Not a git build & no libfdt found, prompt for system install
4077           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4078                      "Please install the DTC (libfdt) devel package"
4079       else
4080           # don't have and don't want
4081           fdt_libs=
4082           fdt=no
4083       fi
4084   fi
4085 fi
4086
4087 libs_softmmu="$libs_softmmu $fdt_libs"
4088
4089 ##########################################
4090 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4091
4092 if test "$opengl" != "no" ; then
4093   opengl_pkgs="epoxy gbm"
4094   if $pkg_config $opengl_pkgs; then
4095     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4096     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4097     opengl=yes
4098     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4099         gtk_gl="yes"
4100     fi
4101     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4102   else
4103     if test "$opengl" = "yes" ; then
4104       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4105     fi
4106     opengl_cflags=""
4107     opengl_libs=""
4108     opengl=no
4109   fi
4110 fi
4111
4112 if test "$opengl" = "yes"; then
4113   cat > $TMPC << EOF
4114 #include <epoxy/egl.h>
4115 #ifndef EGL_MESA_image_dma_buf_export
4116 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4117 #endif
4118 int main(void) { return 0; }
4119 EOF
4120   if compile_prog "" "" ; then
4121     opengl_dmabuf=yes
4122   fi
4123 fi
4124
4125 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4126   for target in $target_list; do
4127     case $target in
4128       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4129         need_x11=yes
4130       ;;
4131     esac
4132   done
4133 fi
4134
4135 ##########################################
4136 # libxml2 probe
4137 if test "$libxml2" != "no" ; then
4138     if $pkg_config --exists libxml-2.0; then
4139         libxml2="yes"
4140         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4141         libxml2_libs=$($pkg_config --libs libxml-2.0)
4142     else
4143         if test "$libxml2" = "yes"; then
4144             feature_not_found "libxml2" "Install libxml2 devel"
4145         fi
4146         libxml2="no"
4147     fi
4148 fi
4149
4150 ##########################################
4151 # glusterfs probe
4152 if test "$glusterfs" != "no" ; then
4153   if $pkg_config --atleast-version=3 glusterfs-api; then
4154     glusterfs="yes"
4155     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4156     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4157     if $pkg_config --atleast-version=4 glusterfs-api; then
4158       glusterfs_xlator_opt="yes"
4159     fi
4160     if $pkg_config --atleast-version=5 glusterfs-api; then
4161       glusterfs_discard="yes"
4162     fi
4163     if $pkg_config --atleast-version=6 glusterfs-api; then
4164       glusterfs_fallocate="yes"
4165       glusterfs_zerofill="yes"
4166     fi
4167     cat > $TMPC << EOF
4168 #include <glusterfs/api/glfs.h>
4169
4170 int
4171 main(void)
4172 {
4173         /* new glfs_ftruncate() passes two additional args */
4174         return glfs_ftruncate(NULL, 0, NULL, NULL);
4175 }
4176 EOF
4177     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4178       glusterfs_ftruncate_has_stat="yes"
4179     fi
4180     cat > $TMPC << EOF
4181 #include <glusterfs/api/glfs.h>
4182
4183 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4184 static void
4185 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4186 {}
4187
4188 int
4189 main(void)
4190 {
4191         glfs_io_cbk iocb = &glusterfs_iocb;
4192         iocb(NULL, 0 , NULL, NULL, NULL);
4193         return 0;
4194 }
4195 EOF
4196     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4197       glusterfs_iocb_has_stat="yes"
4198     fi
4199   else
4200     if test "$glusterfs" = "yes" ; then
4201       feature_not_found "GlusterFS backend support" \
4202           "Install glusterfs-api devel >= 3"
4203     fi
4204     glusterfs="no"
4205   fi
4206 fi
4207
4208 # Check for inotify functions when we are building linux-user
4209 # emulator.  This is done because older glibc versions don't
4210 # have syscall stubs for these implemented.  In that case we
4211 # don't provide them even if kernel supports them.
4212 #
4213 inotify=no
4214 cat > $TMPC << EOF
4215 #include <sys/inotify.h>
4216
4217 int
4218 main(void)
4219 {
4220         /* try to start inotify */
4221         return inotify_init();
4222 }
4223 EOF
4224 if compile_prog "" "" ; then
4225   inotify=yes
4226 fi
4227
4228 inotify1=no
4229 cat > $TMPC << EOF
4230 #include <sys/inotify.h>
4231
4232 int
4233 main(void)
4234 {
4235     /* try to start inotify */
4236     return inotify_init1(0);
4237 }
4238 EOF
4239 if compile_prog "" "" ; then
4240   inotify1=yes
4241 fi
4242
4243 # check if pipe2 is there
4244 pipe2=no
4245 cat > $TMPC << EOF
4246 #include <unistd.h>
4247 #include <fcntl.h>
4248
4249 int main(void)
4250 {
4251     int pipefd[2];
4252     return pipe2(pipefd, O_CLOEXEC);
4253 }
4254 EOF
4255 if compile_prog "" "" ; then
4256   pipe2=yes
4257 fi
4258
4259 # check if accept4 is there
4260 accept4=no
4261 cat > $TMPC << EOF
4262 #include <sys/socket.h>
4263 #include <stddef.h>
4264
4265 int main(void)
4266 {
4267     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4268     return 0;
4269 }
4270 EOF
4271 if compile_prog "" "" ; then
4272   accept4=yes
4273 fi
4274
4275 # check if tee/splice is there. vmsplice was added same time.
4276 splice=no
4277 cat > $TMPC << EOF
4278 #include <unistd.h>
4279 #include <fcntl.h>
4280 #include <limits.h>
4281
4282 int main(void)
4283 {
4284     int len, fd = 0;
4285     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4286     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4287     return 0;
4288 }
4289 EOF
4290 if compile_prog "" "" ; then
4291   splice=yes
4292 fi
4293
4294 ##########################################
4295 # libnuma probe
4296
4297 if test "$numa" != "no" ; then
4298   cat > $TMPC << EOF
4299 #include <numa.h>
4300 int main(void) { return numa_available(); }
4301 EOF
4302
4303   if compile_prog "" "-lnuma" ; then
4304     numa=yes
4305     libs_softmmu="-lnuma $libs_softmmu"
4306   else
4307     if test "$numa" = "yes" ; then
4308       feature_not_found "numa" "install numactl devel"
4309     fi
4310     numa=no
4311   fi
4312 fi
4313
4314 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4315     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4316     exit 1
4317 fi
4318
4319 # Even if malloc_trim() is available, these non-libc memory allocators
4320 # do not support it.
4321 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4322     if test "$malloc_trim" = "yes" ; then
4323         echo "Disabling malloc_trim with non-libc memory allocator"
4324     fi
4325     malloc_trim="no"
4326 fi
4327
4328 #######################################
4329 # malloc_trim
4330
4331 if test "$malloc_trim" != "no" ; then
4332     cat > $TMPC << EOF
4333 #include <malloc.h>
4334 int main(void) { malloc_trim(0); return 0; }
4335 EOF
4336     if compile_prog "" "" ; then
4337         malloc_trim="yes"
4338     else
4339         malloc_trim="no"
4340     fi
4341 fi
4342
4343 ##########################################
4344 # tcmalloc probe
4345
4346 if test "$tcmalloc" = "yes" ; then
4347   cat > $TMPC << EOF
4348 #include <stdlib.h>
4349 int main(void) { malloc(1); return 0; }
4350 EOF
4351
4352   if compile_prog "" "-ltcmalloc" ; then
4353     LIBS="-ltcmalloc $LIBS"
4354   else
4355     feature_not_found "tcmalloc" "install gperftools devel"
4356   fi
4357 fi
4358
4359 ##########################################
4360 # jemalloc probe
4361
4362 if test "$jemalloc" = "yes" ; then
4363   cat > $TMPC << EOF
4364 #include <stdlib.h>
4365 int main(void) { malloc(1); return 0; }
4366 EOF
4367
4368   if compile_prog "" "-ljemalloc" ; then
4369     LIBS="-ljemalloc $LIBS"
4370   else
4371     feature_not_found "jemalloc" "install jemalloc devel"
4372   fi
4373 fi
4374
4375 ##########################################
4376 # signalfd probe
4377 signalfd="no"
4378 cat > $TMPC << EOF
4379 #include <unistd.h>
4380 #include <sys/syscall.h>
4381 #include <signal.h>
4382 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4383 EOF
4384
4385 if compile_prog "" "" ; then
4386   signalfd=yes
4387 fi
4388
4389 # check if optreset global is declared by <getopt.h>
4390 optreset="no"
4391 cat > $TMPC << EOF
4392 #include <getopt.h>
4393 int main(void) { return optreset; }
4394 EOF
4395
4396 if compile_prog "" "" ; then
4397   optreset=yes
4398 fi
4399
4400 # check if eventfd is supported
4401 eventfd=no
4402 cat > $TMPC << EOF
4403 #include <sys/eventfd.h>
4404
4405 int main(void)
4406 {
4407     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4408 }
4409 EOF
4410 if compile_prog "" "" ; then
4411   eventfd=yes
4412 fi
4413
4414 # check if memfd is supported
4415 memfd=no
4416 cat > $TMPC << EOF
4417 #include <sys/mman.h>
4418
4419 int main(void)
4420 {
4421     return memfd_create("foo", MFD_ALLOW_SEALING);
4422 }
4423 EOF
4424 if compile_prog "" "" ; then
4425   memfd=yes
4426 fi
4427
4428 # check for usbfs
4429 have_usbfs=no
4430 if test "$linux_user" = "yes"; then
4431   cat > $TMPC << EOF
4432 #include <linux/usbdevice_fs.h>
4433
4434 #ifndef USBDEVFS_GET_CAPABILITIES
4435 #error "USBDEVFS_GET_CAPABILITIES undefined"
4436 #endif
4437
4438 #ifndef USBDEVFS_DISCONNECT_CLAIM
4439 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4440 #endif
4441
4442 int main(void)
4443 {
4444     return 0;
4445 }
4446 EOF
4447   if compile_prog "" ""; then
4448     have_usbfs=yes
4449   fi
4450 fi
4451
4452 # check for fallocate
4453 fallocate=no
4454 cat > $TMPC << EOF
4455 #include <fcntl.h>
4456
4457 int main(void)
4458 {
4459     fallocate(0, 0, 0, 0);
4460     return 0;
4461 }
4462 EOF
4463 if compile_prog "" "" ; then
4464   fallocate=yes
4465 fi
4466
4467 # check for fallocate hole punching
4468 fallocate_punch_hole=no
4469 cat > $TMPC << EOF
4470 #include <fcntl.h>
4471 #include <linux/falloc.h>
4472
4473 int main(void)
4474 {
4475     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4476     return 0;
4477 }
4478 EOF
4479 if compile_prog "" "" ; then
4480   fallocate_punch_hole=yes
4481 fi
4482
4483 # check that fallocate supports range zeroing inside the file
4484 fallocate_zero_range=no
4485 cat > $TMPC << EOF
4486 #include <fcntl.h>
4487 #include <linux/falloc.h>
4488
4489 int main(void)
4490 {
4491     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4492     return 0;
4493 }
4494 EOF
4495 if compile_prog "" "" ; then
4496   fallocate_zero_range=yes
4497 fi
4498
4499 # check for posix_fallocate
4500 posix_fallocate=no
4501 cat > $TMPC << EOF
4502 #include <fcntl.h>
4503
4504 int main(void)
4505 {
4506     posix_fallocate(0, 0, 0);
4507     return 0;
4508 }
4509 EOF
4510 if compile_prog "" "" ; then
4511     posix_fallocate=yes
4512 fi
4513
4514 # check for sync_file_range
4515 sync_file_range=no
4516 cat > $TMPC << EOF
4517 #include <fcntl.h>
4518
4519 int main(void)
4520 {
4521     sync_file_range(0, 0, 0, 0);
4522     return 0;
4523 }
4524 EOF
4525 if compile_prog "" "" ; then
4526   sync_file_range=yes
4527 fi
4528
4529 # check for linux/fiemap.h and FS_IOC_FIEMAP
4530 fiemap=no
4531 cat > $TMPC << EOF
4532 #include <sys/ioctl.h>
4533 #include <linux/fs.h>
4534 #include <linux/fiemap.h>
4535
4536 int main(void)
4537 {
4538     ioctl(0, FS_IOC_FIEMAP, 0);
4539     return 0;
4540 }
4541 EOF
4542 if compile_prog "" "" ; then
4543   fiemap=yes
4544 fi
4545
4546 # check for dup3
4547 dup3=no
4548 cat > $TMPC << EOF
4549 #include <unistd.h>
4550
4551 int main(void)
4552 {
4553     dup3(0, 0, 0);
4554     return 0;
4555 }
4556 EOF
4557 if compile_prog "" "" ; then
4558   dup3=yes
4559 fi
4560
4561 # check for ppoll support
4562 ppoll=no
4563 cat > $TMPC << EOF
4564 #include <poll.h>
4565
4566 int main(void)
4567 {
4568     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4569     ppoll(&pfd, 1, 0, 0);
4570     return 0;
4571 }
4572 EOF
4573 if compile_prog "" "" ; then
4574   ppoll=yes
4575 fi
4576
4577 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4578 prctl_pr_set_timerslack=no
4579 cat > $TMPC << EOF
4580 #include <sys/prctl.h>
4581
4582 int main(void)
4583 {
4584     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4585     return 0;
4586 }
4587 EOF
4588 if compile_prog "" "" ; then
4589   prctl_pr_set_timerslack=yes
4590 fi
4591
4592 # check for epoll support
4593 epoll=no
4594 cat > $TMPC << EOF
4595 #include <sys/epoll.h>
4596
4597 int main(void)
4598 {
4599     epoll_create(0);
4600     return 0;
4601 }
4602 EOF
4603 if compile_prog "" "" ; then
4604   epoll=yes
4605 fi
4606
4607 # epoll_create1 is a later addition
4608 # so we must check separately for its presence
4609 epoll_create1=no
4610 cat > $TMPC << EOF
4611 #include <sys/epoll.h>
4612
4613 int main(void)
4614 {
4615     /* Note that we use epoll_create1 as a value, not as
4616      * a function being called. This is necessary so that on
4617      * old SPARC glibc versions where the function was present in
4618      * the library but not declared in the header file we will
4619      * fail the configure check. (Otherwise we will get a compiler
4620      * warning but not an error, and will proceed to fail the
4621      * qemu compile where we compile with -Werror.)
4622      */
4623     return (int)(uintptr_t)&epoll_create1;
4624 }
4625 EOF
4626 if compile_prog "" "" ; then
4627   epoll_create1=yes
4628 fi
4629
4630 # check for sendfile support
4631 sendfile=no
4632 cat > $TMPC << EOF
4633 #include <sys/sendfile.h>
4634
4635 int main(void)
4636 {
4637     return sendfile(0, 0, 0, 0);
4638 }
4639 EOF
4640 if compile_prog "" "" ; then
4641   sendfile=yes
4642 fi
4643
4644 # check for timerfd support (glibc 2.8 and newer)
4645 timerfd=no
4646 cat > $TMPC << EOF
4647 #include <sys/timerfd.h>
4648
4649 int main(void)
4650 {
4651     return(timerfd_create(CLOCK_REALTIME, 0));
4652 }
4653 EOF
4654 if compile_prog "" "" ; then
4655   timerfd=yes
4656 fi
4657
4658 # check for setns and unshare support
4659 setns=no
4660 cat > $TMPC << EOF
4661 #include <sched.h>
4662
4663 int main(void)
4664 {
4665     int ret;
4666     ret = setns(0, 0);
4667     ret = unshare(0);
4668     return ret;
4669 }
4670 EOF
4671 if compile_prog "" "" ; then
4672   setns=yes
4673 fi
4674
4675 # clock_adjtime probe
4676 clock_adjtime=no
4677 cat > $TMPC <<EOF
4678 #include <time.h>
4679
4680 int main(void)
4681 {
4682     return clock_adjtime(0, 0);
4683 }
4684 EOF
4685 clock_adjtime=no
4686 if compile_prog "" "" ; then
4687   clock_adjtime=yes
4688 fi
4689
4690 # syncfs probe
4691 syncfs=no
4692 cat > $TMPC <<EOF
4693 #include <unistd.h>
4694
4695 int main(void)
4696 {
4697     return syncfs(0);
4698 }
4699 EOF
4700 syncfs=no
4701 if compile_prog "" "" ; then
4702   syncfs=yes
4703 fi
4704
4705 # Check we have a new enough version of sphinx-build
4706 has_sphinx_build() {
4707     # This is a bit awkward but works: create a trivial document and
4708     # try to run it with our configuration file (which enforces a
4709     # version requirement). This will fail if either
4710     # sphinx-build doesn't exist at all or if it is too old.
4711     mkdir -p "$TMPDIR1/sphinx"
4712     touch "$TMPDIR1/sphinx/index.rst"
4713     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4714 }
4715
4716 # Check if tools are available to build documentation.
4717 if test "$docs" != "no" ; then
4718   if has makeinfo && has pod2man && has_sphinx_build; then
4719     docs=yes
4720   else
4721     if test "$docs" = "yes" ; then
4722       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4723     fi
4724     docs=no
4725   fi
4726 fi
4727
4728 # Search for bswap_32 function
4729 byteswap_h=no
4730 cat > $TMPC << EOF
4731 #include <byteswap.h>
4732 int main(void) { return bswap_32(0); }
4733 EOF
4734 if compile_prog "" "" ; then
4735   byteswap_h=yes
4736 fi
4737
4738 # Search for bswap32 function
4739 bswap_h=no
4740 cat > $TMPC << EOF
4741 #include <sys/endian.h>
4742 #include <sys/types.h>
4743 #include <machine/bswap.h>
4744 int main(void) { return bswap32(0); }
4745 EOF
4746 if compile_prog "" "" ; then
4747   bswap_h=yes
4748 fi
4749
4750 ##########################################
4751 # Do we have libiscsi >= 1.9.0
4752 if test "$libiscsi" != "no" ; then
4753   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4754     libiscsi="yes"
4755     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4756     libiscsi_libs=$($pkg_config --libs libiscsi)
4757   else
4758     if test "$libiscsi" = "yes" ; then
4759       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4760     fi
4761     libiscsi="no"
4762   fi
4763 fi
4764
4765 ##########################################
4766 # Do we need libm
4767 cat > $TMPC << EOF
4768 #include <math.h>
4769 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4770 EOF
4771 if compile_prog "" "" ; then
4772   :
4773 elif compile_prog "" "-lm" ; then
4774   LIBS="-lm $LIBS"
4775   libs_qga="-lm $libs_qga"
4776 else
4777   error_exit "libm check failed"
4778 fi
4779
4780 ##########################################
4781 # Do we need librt
4782 # uClibc provides 2 versions of clock_gettime(), one with realtime
4783 # support and one without. This means that the clock_gettime() don't
4784 # need -lrt. We still need it for timer_create() so we check for this
4785 # function in addition.
4786 cat > $TMPC <<EOF
4787 #include <signal.h>
4788 #include <time.h>
4789 int main(void) {
4790   timer_create(CLOCK_REALTIME, NULL, NULL);
4791   return clock_gettime(CLOCK_REALTIME, NULL);
4792 }
4793 EOF
4794
4795 if compile_prog "" "" ; then
4796   :
4797 # we need pthread for static linking. use previous pthread test result
4798 elif compile_prog "" "$pthread_lib -lrt" ; then
4799   LIBS="$LIBS -lrt"
4800   libs_qga="$libs_qga -lrt"
4801 fi
4802
4803 # Check whether we need to link libutil for openpty()
4804 cat > $TMPC << EOF
4805 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4806 int main(void) { return openpty(0, 0, 0, 0, 0); }
4807 EOF
4808
4809 if ! compile_prog "" "" ; then
4810   if compile_prog "" "-lutil" ; then
4811     libs_softmmu="-lutil $libs_softmmu"
4812     libs_tools="-lutil $libs_tools"
4813   fi
4814 fi
4815
4816 ##########################################
4817 # spice probe
4818 if test "$spice" != "no" ; then
4819   cat > $TMPC << EOF
4820 #include <spice.h>
4821 int main(void) { spice_server_new(); return 0; }
4822 EOF
4823   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4824   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4825   if $pkg_config --atleast-version=0.12.5 spice-server && \
4826      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4827      compile_prog "$spice_cflags" "$spice_libs" ; then
4828     spice="yes"
4829     libs_softmmu="$libs_softmmu $spice_libs"
4830     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4831     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4832     spice_server_version=$($pkg_config --modversion spice-server)
4833   else
4834     if test "$spice" = "yes" ; then
4835       feature_not_found "spice" \
4836           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4837     fi
4838     spice="no"
4839   fi
4840 fi
4841
4842 # check for smartcard support
4843 if test "$smartcard" != "no"; then
4844     if $pkg_config --atleast-version=2.5.1 libcacard; then
4845         libcacard_cflags=$($pkg_config --cflags libcacard)
4846         libcacard_libs=$($pkg_config --libs libcacard)
4847         smartcard="yes"
4848     else
4849         if test "$smartcard" = "yes"; then
4850             feature_not_found "smartcard" "Install libcacard devel"
4851         fi
4852         smartcard="no"
4853     fi
4854 fi
4855
4856 # check for libusb
4857 if test "$libusb" != "no" ; then
4858     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4859         libusb="yes"
4860         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4861         libusb_libs=$($pkg_config --libs libusb-1.0)
4862     else
4863         if test "$libusb" = "yes"; then
4864             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4865         fi
4866         libusb="no"
4867     fi
4868 fi
4869
4870 # check for usbredirparser for usb network redirection support
4871 if test "$usb_redir" != "no" ; then
4872     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4873         usb_redir="yes"
4874         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4875         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4876     else
4877         if test "$usb_redir" = "yes"; then
4878             feature_not_found "usb-redir" "Install usbredir devel"
4879         fi
4880         usb_redir="no"
4881     fi
4882 fi
4883
4884 ##########################################
4885 # check if we have VSS SDK headers for win
4886
4887 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4888         test "$vss_win32_sdk" != "no" ; then
4889   case "$vss_win32_sdk" in
4890     "")   vss_win32_include="-isystem $source_path" ;;
4891     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4892           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4893           vss_win32_include="-isystem $source_path/.sdk/vss"
4894           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4895           ;;
4896     *)    vss_win32_include="-isystem $vss_win32_sdk"
4897   esac
4898   cat > $TMPC << EOF
4899 #define __MIDL_user_allocate_free_DEFINED__
4900 #include <inc/win2003/vss.h>
4901 int main(void) { return VSS_CTX_BACKUP; }
4902 EOF
4903   if compile_prog "$vss_win32_include" "" ; then
4904     guest_agent_with_vss="yes"
4905     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4906     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4907     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4908   else
4909     if test "$vss_win32_sdk" != "" ; then
4910       echo "ERROR: Please download and install Microsoft VSS SDK:"
4911       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4912       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4913       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4914       echo "ERROR: The headers are extracted in the directory \`inc'."
4915       feature_not_found "VSS support"
4916     fi
4917     guest_agent_with_vss="no"
4918   fi
4919 fi
4920
4921 ##########################################
4922 # lookup Windows platform SDK (if not specified)
4923 # The SDK is needed only to build .tlb (type library) file of guest agent
4924 # VSS provider from the source. It is usually unnecessary because the
4925 # pre-compiled .tlb file is included.
4926
4927 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4928         test "$guest_agent_with_vss" = "yes" ; then
4929   if test -z "$win_sdk"; then
4930     programfiles="$PROGRAMFILES"
4931     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4932     if test -n "$programfiles"; then
4933       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4934     else
4935       feature_not_found "Windows SDK"
4936     fi
4937   elif test "$win_sdk" = "no"; then
4938     win_sdk=""
4939   fi
4940 fi
4941
4942 ##########################################
4943 # check if mingw environment provides a recent ntddscsi.h
4944 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4945   cat > $TMPC << EOF
4946 #include <windows.h>
4947 #include <ntddscsi.h>
4948 int main(void) {
4949 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4950 #error Missing required ioctl definitions
4951 #endif
4952   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4953   return addr.Lun;
4954 }
4955 EOF
4956   if compile_prog "" "" ; then
4957     guest_agent_ntddscsi=yes
4958     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4959   fi
4960 fi
4961
4962 ##########################################
4963 # virgl renderer probe
4964
4965 if test "$virglrenderer" != "no" ; then
4966   cat > $TMPC << EOF
4967 #include <virglrenderer.h>
4968 int main(void) { virgl_renderer_poll(); return 0; }
4969 EOF
4970   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4971   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4972   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4973   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4974      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4975     virglrenderer="yes"
4976   else
4977     if test "$virglrenderer" = "yes" ; then
4978       feature_not_found "virglrenderer"
4979     fi
4980     virglrenderer="no"
4981   fi
4982 fi
4983
4984 ##########################################
4985 # capstone
4986
4987 case "$capstone" in
4988   "" | yes)
4989     if $pkg_config capstone; then
4990       capstone=system
4991     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4992       capstone=git
4993     elif test -e "${source_path}/capstone/Makefile" ; then
4994       capstone=internal
4995     elif test -z "$capstone" ; then
4996       capstone=no
4997     else
4998       feature_not_found "capstone" "Install capstone devel or git submodule"
4999     fi
5000     ;;
5001
5002   system)
5003     if ! $pkg_config capstone; then
5004       feature_not_found "capstone" "Install capstone devel"
5005     fi
5006     ;;
5007 esac
5008
5009 case "$capstone" in
5010   git | internal)
5011     if test "$capstone" = git; then
5012       git_submodules="${git_submodules} capstone"
5013     fi
5014     mkdir -p capstone
5015     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5016     if test "$mingw32" = "yes"; then
5017       LIBCAPSTONE=capstone.lib
5018     else
5019       LIBCAPSTONE=libcapstone.a
5020     fi
5021     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
5022     ;;
5023
5024   system)
5025     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5026     LIBS="$($pkg_config --libs capstone) $LIBS"
5027     ;;
5028
5029   no)
5030     ;;
5031   *)
5032     error_exit "Unknown state for capstone: $capstone"
5033     ;;
5034 esac
5035
5036 ##########################################
5037 # check if we have fdatasync
5038
5039 fdatasync=no
5040 cat > $TMPC << EOF
5041 #include <unistd.h>
5042 int main(void) {
5043 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5044 return fdatasync(0);
5045 #else
5046 #error Not supported
5047 #endif
5048 }
5049 EOF
5050 if compile_prog "" "" ; then
5051     fdatasync=yes
5052 fi
5053
5054 ##########################################
5055 # check if we have madvise
5056
5057 madvise=no
5058 cat > $TMPC << EOF
5059 #include <sys/types.h>
5060 #include <sys/mman.h>
5061 #include <stddef.h>
5062 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5063 EOF
5064 if compile_prog "" "" ; then
5065     madvise=yes
5066 fi
5067
5068 ##########################################
5069 # check if we have posix_madvise
5070
5071 posix_madvise=no
5072 cat > $TMPC << EOF
5073 #include <sys/mman.h>
5074 #include <stddef.h>
5075 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5076 EOF
5077 if compile_prog "" "" ; then
5078     posix_madvise=yes
5079 fi
5080
5081 ##########################################
5082 # check if we have posix_memalign()
5083
5084 posix_memalign=no
5085 cat > $TMPC << EOF
5086 #include <stdlib.h>
5087 int main(void) {
5088     void *p;
5089     return posix_memalign(&p, 8, 8);
5090 }
5091 EOF
5092 if compile_prog "" "" ; then
5093     posix_memalign=yes
5094 fi
5095
5096 ##########################################
5097 # check if we have posix_syslog
5098
5099 posix_syslog=no
5100 cat > $TMPC << EOF
5101 #include <syslog.h>
5102 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5103 EOF
5104 if compile_prog "" "" ; then
5105     posix_syslog=yes
5106 fi
5107
5108 ##########################################
5109 # check if we have sem_timedwait
5110
5111 sem_timedwait=no
5112 cat > $TMPC << EOF
5113 #include <semaphore.h>
5114 int main(void) { return sem_timedwait(0, 0); }
5115 EOF
5116 if compile_prog "" "" ; then
5117     sem_timedwait=yes
5118 fi
5119
5120 ##########################################
5121 # check if we have strchrnul
5122
5123 strchrnul=no
5124 cat > $TMPC << EOF
5125 #include <string.h>
5126 int main(void);
5127 // Use a haystack that the compiler shouldn't be able to constant fold
5128 char *haystack = (char*)&main;
5129 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5130 EOF
5131 if compile_prog "" "" ; then
5132     strchrnul=yes
5133 fi
5134
5135 ##########################################
5136 # check if trace backend exists
5137
5138 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5139 if test "$?" -ne 0 ; then
5140   error_exit "invalid trace backends" \
5141       "Please choose supported trace backends."
5142 fi
5143
5144 ##########################################
5145 # For 'ust' backend, test if ust headers are present
5146 if have_backend "ust"; then
5147   cat > $TMPC << EOF
5148 #include <lttng/tracepoint.h>
5149 int main(void) { return 0; }
5150 EOF
5151   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5152     if $pkg_config lttng-ust --exists; then
5153       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5154     else
5155       lttng_ust_libs="-llttng-ust -ldl"
5156     fi
5157     if $pkg_config liburcu-bp --exists; then
5158       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5159     else
5160       urcu_bp_libs="-lurcu-bp"
5161     fi
5162
5163     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5164     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5165   else
5166     error_exit "Trace backend 'ust' missing lttng-ust header files"
5167   fi
5168 fi
5169
5170 ##########################################
5171 # For 'dtrace' backend, test if 'dtrace' command is present
5172 if have_backend "dtrace"; then
5173   if ! has 'dtrace' ; then
5174     error_exit "dtrace command is not found in PATH $PATH"
5175   fi
5176   trace_backend_stap="no"
5177   if has 'stap' ; then
5178     trace_backend_stap="yes"
5179   fi
5180 fi
5181
5182 ##########################################
5183 # check and set a backend for coroutine
5184
5185 # We prefer ucontext, but it's not always possible. The fallback
5186 # is sigcontext. On Windows the only valid backend is the Windows
5187 # specific one.
5188
5189 ucontext_works=no
5190 if test "$darwin" != "yes"; then
5191   cat > $TMPC << EOF
5192 #include <ucontext.h>
5193 #ifdef __stub_makecontext
5194 #error Ignoring glibc stub makecontext which will always fail
5195 #endif
5196 int main(void) { makecontext(0, 0, 0); return 0; }
5197 EOF
5198   if compile_prog "" "" ; then
5199     ucontext_works=yes
5200   fi
5201 fi
5202
5203 if test "$coroutine" = ""; then
5204   if test "$mingw32" = "yes"; then
5205     coroutine=win32
5206   elif test "$ucontext_works" = "yes"; then
5207     coroutine=ucontext
5208   else
5209     coroutine=sigaltstack
5210   fi
5211 else
5212   case $coroutine in
5213   windows)
5214     if test "$mingw32" != "yes"; then
5215       error_exit "'windows' coroutine backend only valid for Windows"
5216     fi
5217     # Unfortunately the user visible backend name doesn't match the
5218     # coroutine-*.c filename for this case, so we have to adjust it here.
5219     coroutine=win32
5220     ;;
5221   ucontext)
5222     if test "$ucontext_works" != "yes"; then
5223       feature_not_found "ucontext"
5224     fi
5225     ;;
5226   sigaltstack)
5227     if test "$mingw32" = "yes"; then
5228       error_exit "only the 'windows' coroutine backend is valid for Windows"
5229     fi
5230     ;;
5231   *)
5232     error_exit "unknown coroutine backend $coroutine"
5233     ;;
5234   esac
5235 fi
5236
5237 if test "$coroutine_pool" = ""; then
5238   coroutine_pool=yes
5239 fi
5240
5241 if test "$debug_stack_usage" = "yes"; then
5242   if test "$coroutine_pool" = "yes"; then
5243     echo "WARN: disabling coroutine pool for stack usage debugging"
5244     coroutine_pool=no
5245   fi
5246 fi
5247
5248
5249 ##########################################
5250 # check if we have open_by_handle_at
5251
5252 open_by_handle_at=no
5253 cat > $TMPC << EOF
5254 #include <fcntl.h>
5255 #if !defined(AT_EMPTY_PATH)
5256 # error missing definition
5257 #else
5258 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5259 #endif
5260 EOF
5261 if compile_prog "" "" ; then
5262     open_by_handle_at=yes
5263 fi
5264
5265 ########################################
5266 # check if we have linux/magic.h
5267
5268 linux_magic_h=no
5269 cat > $TMPC << EOF
5270 #include <linux/magic.h>
5271 int main(void) {
5272   return 0;
5273 }
5274 EOF
5275 if compile_prog "" "" ; then
5276     linux_magic_h=yes
5277 fi
5278
5279 ########################################
5280 # check whether we can disable warning option with a pragma (this is needed
5281 # to silence warnings in the headers of some versions of external libraries).
5282 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5283 # only a warning.
5284 #
5285 # If we can't selectively disable warning in the code, disable -Werror so that
5286 # the build doesn't fail anyway.
5287
5288 pragma_disable_unused_but_set=no
5289 cat > $TMPC << EOF
5290 #pragma GCC diagnostic push
5291 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5292 #pragma GCC diagnostic pop
5293
5294 int main(void) {
5295     return 0;
5296 }
5297 EOF
5298 if compile_prog "-Werror" "" ; then
5299     pragma_diagnostic_available=yes
5300 else
5301     werror=no
5302 fi
5303
5304 ########################################
5305 # check if we have valgrind/valgrind.h
5306
5307 valgrind_h=no
5308 cat > $TMPC << EOF
5309 #include <valgrind/valgrind.h>
5310 int main(void) {
5311   return 0;
5312 }
5313 EOF
5314 if compile_prog "" "" ; then
5315     valgrind_h=yes
5316 fi
5317
5318 ########################################
5319 # check if environ is declared
5320
5321 has_environ=no
5322 cat > $TMPC << EOF
5323 #include <unistd.h>
5324 int main(void) {
5325     environ = 0;
5326     return 0;
5327 }
5328 EOF
5329 if compile_prog "" "" ; then
5330     has_environ=yes
5331 fi
5332
5333 ########################################
5334 # check if cpuid.h is usable.
5335
5336 cat > $TMPC << EOF
5337 #include <cpuid.h>
5338 int main(void) {
5339     unsigned a, b, c, d;
5340     int max = __get_cpuid_max(0, 0);
5341
5342     if (max >= 1) {
5343         __cpuid(1, a, b, c, d);
5344     }
5345
5346     if (max >= 7) {
5347         __cpuid_count(7, 0, a, b, c, d);
5348     }
5349
5350     return 0;
5351 }
5352 EOF
5353 if compile_prog "" "" ; then
5354     cpuid_h=yes
5355 fi
5356
5357 ##########################################
5358 # avx2 optimization requirement check
5359 #
5360 # There is no point enabling this if cpuid.h is not usable,
5361 # since we won't be able to select the new routines.
5362
5363 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5364   cat > $TMPC << EOF
5365 #pragma GCC push_options
5366 #pragma GCC target("avx2")
5367 #include <cpuid.h>
5368 #include <immintrin.h>
5369 static int bar(void *a) {
5370     __m256i x = *(__m256i *)a;
5371     return _mm256_testz_si256(x, x);
5372 }
5373 int main(int argc, char *argv[]) { return bar(argv[0]); }
5374 EOF
5375   if compile_object "" ; then
5376     avx2_opt="yes"
5377   else
5378     avx2_opt="no"
5379   fi
5380 fi
5381
5382 ########################################
5383 # check if __[u]int128_t is usable.
5384
5385 int128=no
5386 cat > $TMPC << EOF
5387 __int128_t a;
5388 __uint128_t b;
5389 int main (void) {
5390   a = a + b;
5391   b = a * b;
5392   a = a * a;
5393   return 0;
5394 }
5395 EOF
5396 if compile_prog "" "" ; then
5397     int128=yes
5398 fi
5399
5400 #########################################
5401 # See if 128-bit atomic operations are supported.
5402
5403 atomic128=no
5404 if test "$int128" = "yes"; then
5405   cat > $TMPC << EOF
5406 int main(void)
5407 {
5408   unsigned __int128 x = 0, y = 0;
5409   y = __atomic_load_16(&x, 0);
5410   __atomic_store_16(&x, y, 0);
5411   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5412   return 0;
5413 }
5414 EOF
5415   if compile_prog "" "" ; then
5416     atomic128=yes
5417   fi
5418 fi
5419
5420 cmpxchg128=no
5421 if test "$int128" = yes && test "$atomic128" = no; then
5422   cat > $TMPC << EOF
5423 int main(void)
5424 {
5425   unsigned __int128 x = 0, y = 0;
5426   __sync_val_compare_and_swap_16(&x, y, x);
5427   return 0;
5428 }
5429 EOF
5430   if compile_prog "" "" ; then
5431     cmpxchg128=yes
5432   fi
5433 fi
5434
5435 #########################################
5436 # See if 64-bit atomic operations are supported.
5437 # Note that without __atomic builtins, we can only
5438 # assume atomic loads/stores max at pointer size.
5439
5440 cat > $TMPC << EOF
5441 #include <stdint.h>
5442 int main(void)
5443 {
5444   uint64_t x = 0, y = 0;
5445 #ifdef __ATOMIC_RELAXED
5446   y = __atomic_load_8(&x, 0);
5447   __atomic_store_8(&x, y, 0);
5448   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5449   __atomic_exchange_8(&x, y, 0);
5450   __atomic_fetch_add_8(&x, y, 0);
5451 #else
5452   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5453   __sync_lock_test_and_set(&x, y);
5454   __sync_val_compare_and_swap(&x, y, 0);
5455   __sync_fetch_and_add(&x, y);
5456 #endif
5457   return 0;
5458 }
5459 EOF
5460 if compile_prog "" "" ; then
5461   atomic64=yes
5462 fi
5463
5464 ########################################
5465 # See if 16-byte vector operations are supported.
5466 # Even without a vector unit the compiler may expand these.
5467 # There is a bug in old GCC for PPC that crashes here.
5468 # Unfortunately it's the system compiler for Centos 7.
5469
5470 cat > $TMPC << EOF
5471 typedef unsigned char U1 __attribute__((vector_size(16)));
5472 typedef unsigned short U2 __attribute__((vector_size(16)));
5473 typedef unsigned int U4 __attribute__((vector_size(16)));
5474 typedef unsigned long long U8 __attribute__((vector_size(16)));
5475 typedef signed char S1 __attribute__((vector_size(16)));
5476 typedef signed short S2 __attribute__((vector_size(16)));
5477 typedef signed int S4 __attribute__((vector_size(16)));
5478 typedef signed long long S8 __attribute__((vector_size(16)));
5479 static U1 a1, b1;
5480 static U2 a2, b2;
5481 static U4 a4, b4;
5482 static U8 a8, b8;
5483 static S1 c1;
5484 static S2 c2;
5485 static S4 c4;
5486 static S8 c8;
5487 static int i;
5488 void helper(void *d, void *a, int shift, int i);
5489 void helper(void *d, void *a, int shift, int i)
5490 {
5491   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5492   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5493   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5494   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5495 }
5496 int main(void)
5497 {
5498   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5499   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5500   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5501   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5502   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5503   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5504   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5505   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5506   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5507   return 0;
5508 }
5509 EOF
5510
5511 vector16=no
5512 if compile_prog "" "" ; then
5513   vector16=yes
5514 fi
5515
5516 ########################################
5517 # check if getauxval is available.
5518
5519 getauxval=no
5520 cat > $TMPC << EOF
5521 #include <sys/auxv.h>
5522 int main(void) {
5523   return getauxval(AT_HWCAP) == 0;
5524 }
5525 EOF
5526 if compile_prog "" "" ; then
5527     getauxval=yes
5528 fi
5529
5530 ########################################
5531 # check if ccache is interfering with
5532 # semantic analysis of macros
5533
5534 unset CCACHE_CPP2
5535 ccache_cpp2=no
5536 cat > $TMPC << EOF
5537 static const int Z = 1;
5538 #define fn() ({ Z; })
5539 #define TAUT(X) ((X) == Z)
5540 #define PAREN(X, Y) (X == Y)
5541 #define ID(X) (X)
5542 int main(int argc, char *argv[])
5543 {
5544     int x = 0, y = 0;
5545     x = ID(x);
5546     x = fn();
5547     fn();
5548     if (PAREN(x, y)) return 0;
5549     if (TAUT(Z)) return 0;
5550     return 0;
5551 }
5552 EOF
5553
5554 if ! compile_object "-Werror"; then
5555     ccache_cpp2=yes
5556 fi
5557
5558 #################################################
5559 # clang does not support glibc + FORTIFY_SOURCE.
5560
5561 if test "$fortify_source" != "no"; then
5562   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5563     fortify_source="no";
5564   elif test -n "$cxx" && has $cxx &&
5565        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5566     fortify_source="no";
5567   else
5568     fortify_source="yes"
5569   fi
5570 fi
5571
5572 ###############################################
5573 # Check if copy_file_range is provided by glibc
5574 have_copy_file_range=no
5575 cat > $TMPC << EOF
5576 #include <unistd.h>
5577 int main(void) {
5578   copy_file_range(0, NULL, 0, NULL, 0, 0);
5579   return 0;
5580 }
5581 EOF
5582 if compile_prog "" "" ; then
5583     have_copy_file_range=yes
5584 fi
5585
5586 ##########################################
5587 # check if struct fsxattr is available via linux/fs.h
5588
5589 have_fsxattr=no
5590 cat > $TMPC << EOF
5591 #include <linux/fs.h>
5592 struct fsxattr foo;
5593 int main(void) {
5594   return 0;
5595 }
5596 EOF
5597 if compile_prog "" "" ; then
5598     have_fsxattr=yes
5599 fi
5600
5601 ##########################################
5602 # check for usable membarrier system call
5603 if test "$membarrier" = "yes"; then
5604     have_membarrier=no
5605     if test "$mingw32" = "yes" ; then
5606         have_membarrier=yes
5607     elif test "$linux" = "yes" ; then
5608         cat > $TMPC << EOF
5609     #include <linux/membarrier.h>
5610     #include <sys/syscall.h>
5611     #include <unistd.h>
5612     #include <stdlib.h>
5613     int main(void) {
5614         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5615         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5616         exit(0);
5617     }
5618 EOF
5619         if compile_prog "" "" ; then
5620             have_membarrier=yes
5621         fi
5622     fi
5623     if test "$have_membarrier" = "no"; then
5624       feature_not_found "membarrier" "membarrier system call not available"
5625     fi
5626 else
5627     # Do not enable it by default even for Mingw32, because it doesn't
5628     # work on Wine.
5629     membarrier=no
5630 fi
5631
5632 ##########################################
5633 # check if rtnetlink.h exists and is useful
5634 have_rtnetlink=no
5635 cat > $TMPC << EOF
5636 #include <linux/rtnetlink.h>
5637 int main(void) {
5638   return IFLA_PROTO_DOWN;
5639 }
5640 EOF
5641 if compile_prog "" "" ; then
5642     have_rtnetlink=yes
5643 fi
5644
5645 ##########################################
5646 # check for usable AF_VSOCK environment
5647 have_af_vsock=no
5648 cat > $TMPC << EOF
5649 #include <errno.h>
5650 #include <sys/types.h>
5651 #include <sys/socket.h>
5652 #if !defined(AF_VSOCK)
5653 # error missing AF_VSOCK flag
5654 #endif
5655 #include <linux/vm_sockets.h>
5656 int main(void) {
5657     int sock, ret;
5658     struct sockaddr_vm svm;
5659     socklen_t len = sizeof(svm);
5660     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5661     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5662     if ((ret == -1) && (errno == ENOTCONN)) {
5663         return 0;
5664     }
5665     return -1;
5666 }
5667 EOF
5668 if compile_prog "" "" ; then
5669     have_af_vsock=yes
5670 fi
5671
5672 ##########################################
5673 # check for usable AF_ALG environment
5674 hava_afalg=no
5675 cat > $TMPC << EOF
5676 #include <errno.h>
5677 #include <sys/types.h>
5678 #include <sys/socket.h>
5679 #include <linux/if_alg.h>
5680 int main(void) {
5681     int sock;
5682     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5683     return sock;
5684 }
5685 EOF
5686 if compile_prog "" "" ; then
5687     have_afalg=yes
5688 fi
5689 if test "$crypto_afalg" = "yes"
5690 then
5691     if test "$have_afalg" != "yes"
5692     then
5693         error_exit "AF_ALG requested but could not be detected"
5694     fi
5695 fi
5696
5697
5698 #################################################
5699 # Check to see if we have the Hypervisor framework
5700 if [ "$darwin" = "yes" ] ; then
5701   cat > $TMPC << EOF
5702 #include <Hypervisor/hv.h>
5703 int main() { return 0;}
5704 EOF
5705   if ! compile_object ""; then
5706     hvf='no'
5707   else
5708     hvf='yes'
5709     LDFLAGS="-framework Hypervisor $LDFLAGS"
5710   fi
5711 fi
5712
5713 #################################################
5714 # Sparc implicitly links with --relax, which is
5715 # incompatible with -r, so --no-relax should be
5716 # given. It does no harm to give it on other
5717 # platforms too.
5718
5719 # Note: the prototype is needed since QEMU_CFLAGS
5720 #       contains -Wmissing-prototypes
5721 cat > $TMPC << EOF
5722 extern int foo(void);
5723 int foo(void) { return 0; }
5724 EOF
5725 if ! compile_object ""; then
5726   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5727 fi
5728 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5729   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5730     LD_REL_FLAGS=$i
5731     break
5732   fi
5733 done
5734 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5735   feature_not_found "modules" "Cannot find how to build relocatable objects"
5736 fi
5737
5738 ##########################################
5739 # check for sysmacros.h
5740
5741 have_sysmacros=no
5742 cat > $TMPC << EOF
5743 #include <sys/sysmacros.h>
5744 int main(void) {
5745     return makedev(0, 0);
5746 }
5747 EOF
5748 if compile_prog "" "" ; then
5749     have_sysmacros=yes
5750 fi
5751
5752 ##########################################
5753 # Veritas HyperScale block driver VxHS
5754 # Check if libvxhs is installed
5755
5756 if test "$vxhs" != "no" ; then
5757   cat > $TMPC <<EOF
5758 #include <stdint.h>
5759 #include <qnio/qnio_api.h>
5760
5761 void *vxhs_callback;
5762
5763 int main(void) {
5764     iio_init(QNIO_VERSION, vxhs_callback);
5765     return 0;
5766 }
5767 EOF
5768   vxhs_libs="-lvxhs -lssl"
5769   if compile_prog "" "$vxhs_libs" ; then
5770     vxhs=yes
5771   else
5772     if test "$vxhs" = "yes" ; then
5773       feature_not_found "vxhs block device" "Install libvxhs See github"
5774     fi
5775     vxhs=no
5776   fi
5777 fi
5778
5779 ##########################################
5780 # check for _Static_assert()
5781
5782 have_static_assert=no
5783 cat > $TMPC << EOF
5784 _Static_assert(1, "success");
5785 int main(void) {
5786     return 0;
5787 }
5788 EOF
5789 if compile_prog "" "" ; then
5790     have_static_assert=yes
5791 fi
5792
5793 ##########################################
5794 # check for utmpx.h, it is missing e.g. on OpenBSD
5795
5796 have_utmpx=no
5797 cat > $TMPC << EOF
5798 #include <utmpx.h>
5799 struct utmpx user_info;
5800 int main(void) {
5801     return 0;
5802 }
5803 EOF
5804 if compile_prog "" "" ; then
5805     have_utmpx=yes
5806 fi
5807
5808 ##########################################
5809 # checks for sanitizers
5810
5811 have_asan=no
5812 have_ubsan=no
5813 have_asan_iface_h=no
5814 have_asan_iface_fiber=no
5815
5816 if test "$sanitizers" = "yes" ; then
5817   write_c_skeleton
5818   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5819       have_asan=yes
5820   fi
5821
5822   # we could use a simple skeleton for flags checks, but this also
5823   # detect the static linking issue of ubsan, see also:
5824   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5825   cat > $TMPC << EOF
5826 #include <stdlib.h>
5827 int main(void) {
5828     void *tmp = malloc(10);
5829     return *(int *)(tmp + 2);
5830 }
5831 EOF
5832   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5833       have_ubsan=yes
5834   fi
5835
5836   if check_include "sanitizer/asan_interface.h" ; then
5837       have_asan_iface_h=yes
5838   fi
5839
5840   cat > $TMPC << EOF
5841 #include <sanitizer/asan_interface.h>
5842 int main(void) {
5843   __sanitizer_start_switch_fiber(0, 0, 0);
5844   return 0;
5845 }
5846 EOF
5847   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5848       have_asan_iface_fiber=yes
5849   fi
5850 fi
5851
5852 ##########################################
5853 # Docker and cross-compiler support
5854 #
5855 # This is specifically for building test
5856 # cases for foreign architectures, not
5857 # cross-compiling QEMU itself.
5858
5859 if has "docker"; then
5860     docker=$($python $source_path/tests/docker/docker.py probe)
5861 fi
5862
5863 ##########################################
5864 # check for libpmem
5865
5866 if test "$libpmem" != "no"; then
5867         if $pkg_config --exists "libpmem"; then
5868                 libpmem="yes"
5869                 libpmem_libs=$($pkg_config --libs libpmem)
5870                 libpmem_cflags=$($pkg_config --cflags libpmem)
5871                 libs_softmmu="$libs_softmmu $libpmem_libs"
5872                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5873         else
5874                 if test "$libpmem" = "yes" ; then
5875                         feature_not_found "libpmem" "Install nvml or pmdk"
5876                 fi
5877                 libpmem="no"
5878         fi
5879 fi
5880
5881 ##########################################
5882 # check for slirp
5883
5884 case "$slirp" in
5885   "" | yes)
5886     if $pkg_config slirp; then
5887       slirp=system
5888     elif test -e "${source_path}/slirp/Makefile" ; then
5889       slirp=internal
5890     elif test -z "$slirp" ; then
5891       slirp=no
5892     else
5893       feature_not_found "slirp" "Install slirp devel or git submodule"
5894     fi
5895     ;;
5896
5897   system)
5898     if ! $pkg_config slirp; then
5899       feature_not_found "slirp" "Install slirp devel"
5900     fi
5901     ;;
5902 esac
5903
5904 case "$slirp" in
5905   internal)
5906     mkdir -p slirp
5907     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
5908     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
5909     ;;
5910
5911   system)
5912     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
5913     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
5914     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
5915     ;;
5916
5917   no)
5918     ;;
5919   *)
5920     error_exit "Unknown state for slirp: $slirp"
5921     ;;
5922 esac
5923
5924
5925 ##########################################
5926 # End of CC checks
5927 # After here, no more $cc or $ld runs
5928
5929 write_c_skeleton
5930
5931 if test "$gcov" = "yes" ; then
5932   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5933   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5934 elif test "$fortify_source" = "yes" ; then
5935   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5936 elif test "$debug" = "no"; then
5937   CFLAGS="-O2 $CFLAGS"
5938 fi
5939
5940 if test "$have_asan" = "yes"; then
5941   CFLAGS="-fsanitize=address $CFLAGS"
5942   if test "$have_asan_iface_h" = "no" ; then
5943       echo "ASAN build enabled, but ASAN header missing." \
5944            "Without code annotation, the report may be inferior."
5945   elif test "$have_asan_iface_fiber" = "no" ; then
5946       echo "ASAN build enabled, but ASAN header is too old." \
5947            "Without code annotation, the report may be inferior."
5948   fi
5949 fi
5950 if test "$have_ubsan" = "yes"; then
5951   CFLAGS="-fsanitize=undefined $CFLAGS"
5952 fi
5953
5954 ##########################################
5955 # Do we have libnfs
5956 if test "$libnfs" != "no" ; then
5957   if $pkg_config --atleast-version=1.9.3 libnfs; then
5958     libnfs="yes"
5959     libnfs_libs=$($pkg_config --libs libnfs)
5960   else
5961     if test "$libnfs" = "yes" ; then
5962       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5963     fi
5964     libnfs="no"
5965   fi
5966 fi
5967
5968 ##########################################
5969 # Do we have libudev
5970 if test "$libudev" != "no" ; then
5971   if $pkg_config libudev && test "$static" != "yes"; then
5972     libudev="yes"
5973     libudev_libs=$($pkg_config --libs libudev)
5974   else
5975     libudev="no"
5976   fi
5977 fi
5978
5979 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5980 if test "$werror" = "yes"; then
5981     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5982 fi
5983
5984 if test "$solaris" = "no" ; then
5985     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5986         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5987     fi
5988 fi
5989
5990 # test if pod2man has --utf8 option
5991 if pod2man --help | grep -q utf8; then
5992     POD2MAN="pod2man --utf8"
5993 else
5994     POD2MAN="pod2man"
5995 fi
5996
5997 # Use ASLR, no-SEH and DEP if available
5998 if test "$mingw32" = "yes" ; then
5999     for flag in --dynamicbase --no-seh --nxcompat; do
6000         if ld_has $flag ; then
6001             LDFLAGS="-Wl,$flag $LDFLAGS"
6002         fi
6003     done
6004 fi
6005
6006 # Disable OpenBSD W^X if available
6007 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6008     cat > $TMPC <<EOF
6009     int main(void) { return 0; }
6010 EOF
6011     wx_ldflags="-Wl,-z,wxneeded"
6012     if compile_prog "" "$wx_ldflags"; then
6013         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6014     fi
6015 fi
6016
6017 qemu_confdir=$sysconfdir$confsuffix
6018 qemu_moddir=$libdir$confsuffix
6019 qemu_datadir=$datadir$confsuffix
6020 qemu_localedir="$datadir/locale"
6021 qemu_icondir="$datadir/icons"
6022 qemu_desktopdir="$datadir/applications"
6023
6024 # We can only support ivshmem if we have eventfd
6025 if [ "$eventfd" = "yes" ]; then
6026   ivshmem=yes
6027 fi
6028
6029 tools=""
6030 if test "$want_tools" = "yes" ; then
6031   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6032   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6033     tools="qemu-nbd\$(EXESUF) $tools"
6034   fi
6035   if [ "$ivshmem" = "yes" ]; then
6036     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6037   fi
6038   if [ "$curl" = "yes" ]; then
6039       tools="elf2dmp\$(EXESUF) $tools"
6040   fi
6041 fi
6042 if test "$softmmu" = yes ; then
6043   if test "$linux" = yes; then
6044     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
6045       virtfs=yes
6046       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6047     else
6048       if test "$virtfs" = yes; then
6049         error_exit "VirtFS requires libcap devel and libattr devel"
6050       fi
6051       virtfs=no
6052     fi
6053     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6054       mpath=yes
6055     else
6056       if test "$mpath" = yes; then
6057         error_exit "Multipath requires libmpathpersist devel"
6058       fi
6059       mpath=no
6060     fi
6061     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6062   else
6063     if test "$virtfs" = yes; then
6064       error_exit "VirtFS is supported only on Linux"
6065     fi
6066     virtfs=no
6067     if test "$mpath" = yes; then
6068       error_exit "Multipath is supported only on Linux"
6069     fi
6070     mpath=no
6071   fi
6072   if test "$xkbcommon" = "yes"; then
6073     tools="qemu-keymap\$(EXESUF) $tools"
6074   fi
6075 fi
6076
6077 # Probe for guest agent support/options
6078
6079 if [ "$guest_agent" != "no" ]; then
6080   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6081       tools="qemu-ga $tools"
6082       guest_agent=yes
6083   elif [ "$guest_agent" != yes ]; then
6084       guest_agent=no
6085   else
6086       error_exit "Guest agent is not supported on this platform"
6087   fi
6088 fi
6089
6090 # Guest agent Window MSI  package
6091
6092 if test "$guest_agent" != yes; then
6093   if test "$guest_agent_msi" = yes; then
6094     error_exit "MSI guest agent package requires guest agent enabled"
6095   fi
6096   guest_agent_msi=no
6097 elif test "$mingw32" != "yes"; then
6098   if test "$guest_agent_msi" = "yes"; then
6099     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6100   fi
6101   guest_agent_msi=no
6102 elif ! has wixl; then
6103   if test "$guest_agent_msi" = "yes"; then
6104     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6105   fi
6106   guest_agent_msi=no
6107 else
6108   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6109   # disabled explicitly
6110   if test "$guest_agent_msi" != "no"; then
6111     guest_agent_msi=yes
6112   fi
6113 fi
6114
6115 if test "$guest_agent_msi" = "yes"; then
6116   if test "$guest_agent_with_vss" = "yes"; then
6117     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6118   fi
6119
6120   if test "$QEMU_GA_MANUFACTURER" = ""; then
6121     QEMU_GA_MANUFACTURER=QEMU
6122   fi
6123
6124   if test "$QEMU_GA_DISTRO" = ""; then
6125     QEMU_GA_DISTRO=Linux
6126   fi
6127
6128   if test "$QEMU_GA_VERSION" = ""; then
6129       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6130   fi
6131
6132   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6133
6134   case "$cpu" in
6135   x86_64)
6136     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6137     ;;
6138   i386)
6139     QEMU_GA_MSI_ARCH="-D Arch=32"
6140     ;;
6141   *)
6142     error_exit "CPU $cpu not supported for building installation package"
6143     ;;
6144   esac
6145 fi
6146
6147 # Mac OS X ships with a broken assembler
6148 roms=
6149 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6150         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6151         test "$softmmu" = yes ; then
6152     # Different host OS linkers have different ideas about the name of the ELF
6153     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6154     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6155     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6156         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6157             ld_i386_emulation="$emu"
6158             roms="optionrom"
6159             break
6160         fi
6161     done
6162 fi
6163 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
6164   roms="$roms spapr-rtas"
6165 fi
6166
6167 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6168 if test "$cpu" = "s390x" ; then
6169   write_c_skeleton
6170   if compile_prog "-march=z900" ""; then
6171     roms="$roms s390-ccw"
6172   fi
6173 fi
6174
6175 # Probe for the need for relocating the user-only binary.
6176 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6177   textseg_addr=
6178   case "$cpu" in
6179     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6180       # ??? Rationale for choosing this address
6181       textseg_addr=0x60000000
6182       ;;
6183     mips)
6184       # A 256M aligned address, high in the address space, with enough
6185       # room for the code_gen_buffer above it before the stack.
6186       textseg_addr=0x60000000
6187       ;;
6188   esac
6189   if [ -n "$textseg_addr" ]; then
6190     cat > $TMPC <<EOF
6191     int main(void) { return 0; }
6192 EOF
6193     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6194     if ! compile_prog "" "$textseg_ldflags"; then
6195       # In case ld does not support -Ttext-segment, edit the default linker
6196       # script via sed to set the .text start addr.  This is needed on FreeBSD
6197       # at least.
6198       if ! $ld --verbose >/dev/null 2>&1; then
6199         error_exit \
6200             "We need to link the QEMU user mode binaries at a" \
6201             "specific text address. Unfortunately your linker" \
6202             "doesn't support either the -Ttext-segment option or" \
6203             "printing the default linker script with --verbose." \
6204             "If you don't want the user mode binaries, pass the" \
6205             "--disable-user option to configure."
6206       fi
6207
6208       $ld --verbose | sed \
6209         -e '1,/==================================================/d' \
6210         -e '/==================================================/,$d' \
6211         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6212         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6213       textseg_ldflags="-Wl,-T../config-host.ld"
6214     fi
6215   fi
6216 fi
6217
6218 # Check that the C++ compiler exists and works with the C compiler.
6219 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6220 if has $cxx; then
6221     cat > $TMPC <<EOF
6222 int c_function(void);
6223 int main(void) { return c_function(); }
6224 EOF
6225
6226     compile_object
6227
6228     cat > $TMPCXX <<EOF
6229 extern "C" {
6230    int c_function(void);
6231 }
6232 int c_function(void) { return 42; }
6233 EOF
6234
6235     update_cxxflags
6236
6237     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6238         # C++ compiler $cxx works ok with C compiler $cc
6239         :
6240     else
6241         echo "C++ compiler $cxx does not work with C compiler $cc"
6242         echo "Disabling C++ specific optional code"
6243         cxx=
6244     fi
6245 else
6246     echo "No C++ compiler available; disabling C++ specific optional code"
6247     cxx=
6248 fi
6249
6250 echo_version() {
6251     if test "$1" = "yes" ; then
6252         echo "($2)"
6253     fi
6254 }
6255
6256 # prepend pixman and ftd flags after all config tests are done
6257 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6258 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6259 libs_softmmu="$pixman_libs $libs_softmmu"
6260
6261 echo "Install prefix    $prefix"
6262 echo "BIOS directory    $(eval echo $qemu_datadir)"
6263 echo "firmware path     $(eval echo $firmwarepath)"
6264 echo "binary directory  $(eval echo $bindir)"
6265 echo "library directory $(eval echo $libdir)"
6266 echo "module directory  $(eval echo $qemu_moddir)"
6267 echo "libexec directory $(eval echo $libexecdir)"
6268 echo "include directory $(eval echo $includedir)"
6269 echo "config directory  $(eval echo $sysconfdir)"
6270 if test "$mingw32" = "no" ; then
6271 echo "local state directory   $(eval echo $local_statedir)"
6272 echo "Manual directory  $(eval echo $mandir)"
6273 echo "ELF interp prefix $interp_prefix"
6274 else
6275 echo "local state directory   queried at runtime"
6276 echo "Windows SDK       $win_sdk"
6277 fi
6278 echo "Source path       $source_path"
6279 echo "GIT binary        $git"
6280 echo "GIT submodules    $git_submodules"
6281 echo "C compiler        $cc"
6282 echo "Host C compiler   $host_cc"
6283 echo "C++ compiler      $cxx"
6284 echo "Objective-C compiler $objcc"
6285 echo "ARFLAGS           $ARFLAGS"
6286 echo "CFLAGS            $CFLAGS"
6287 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6288 echo "LDFLAGS           $LDFLAGS"
6289 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6290 echo "make              $make"
6291 echo "install           $install"
6292 echo "python            $python ($python_version)"
6293 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6294 if test "$slirp" != "no" ; then
6295     echo "smbd              $smbd"
6296 fi
6297 echo "module support    $modules"
6298 echo "host CPU          $cpu"
6299 echo "host big endian   $bigendian"
6300 echo "target list       $target_list"
6301 echo "gprof enabled     $gprof"
6302 echo "sparse enabled    $sparse"
6303 echo "strip binaries    $strip_opt"
6304 echo "profiler          $profiler"
6305 echo "static build      $static"
6306 if test "$darwin" = "yes" ; then
6307     echo "Cocoa support     $cocoa"
6308 fi
6309 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6310 echo "SDL image support $sdl_image"
6311 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6312 echo "GTK GL support    $gtk_gl"
6313 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6314 echo "TLS priority      $tls_priority"
6315 echo "GNUTLS support    $gnutls"
6316 echo "libgcrypt         $gcrypt"
6317 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6318 echo "libtasn1          $tasn1"
6319 echo "PAM               $auth_pam"
6320 echo "iconv support     $iconv"
6321 echo "curses support    $curses"
6322 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6323 echo "curl support      $curl"
6324 echo "mingw32 support   $mingw32"
6325 echo "Audio drivers     $audio_drv_list"
6326 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6327 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6328 echo "VirtFS support    $virtfs"
6329 echo "Multipath support $mpath"
6330 echo "VNC support       $vnc"
6331 if test "$vnc" = "yes" ; then
6332     echo "VNC SASL support  $vnc_sasl"
6333     echo "VNC JPEG support  $vnc_jpeg"
6334     echo "VNC PNG support   $vnc_png"
6335 fi
6336 if test -n "$sparc_cpu"; then
6337     echo "Target Sparc Arch $sparc_cpu"
6338 fi
6339 echo "xen support       $xen"
6340 if test "$xen" = "yes" ; then
6341   echo "xen ctrl version  $xen_ctrl_version"
6342 fi
6343 echo "brlapi support    $brlapi"
6344 echo "bluez  support    $bluez"
6345 echo "Documentation     $docs"
6346 echo "PIE               $pie"
6347 echo "vde support       $vde"
6348 echo "netmap support    $netmap"
6349 echo "Linux AIO support $linux_aio"
6350 echo "ATTR/XATTR support $attr"
6351 echo "Install blobs     $blobs"
6352 echo "KVM support       $kvm"
6353 echo "HAX support       $hax"
6354 echo "HVF support       $hvf"
6355 echo "WHPX support      $whpx"
6356 echo "TCG support       $tcg"
6357 if test "$tcg" = "yes" ; then
6358     echo "TCG debug enabled $debug_tcg"
6359     echo "TCG interpreter   $tcg_interpreter"
6360 fi
6361 echo "malloc trim support $malloc_trim"
6362 echo "RDMA support      $rdma"
6363 echo "PVRDMA support    $pvrdma"
6364 echo "fdt support       $fdt"
6365 echo "membarrier        $membarrier"
6366 echo "preadv support    $preadv"
6367 echo "fdatasync         $fdatasync"
6368 echo "madvise           $madvise"
6369 echo "posix_madvise     $posix_madvise"
6370 echo "posix_memalign    $posix_memalign"
6371 echo "libcap-ng support $cap_ng"
6372 echo "vhost-net support $vhost_net"
6373 echo "vhost-crypto support $vhost_crypto"
6374 echo "vhost-scsi support $vhost_scsi"
6375 echo "vhost-vsock support $vhost_vsock"
6376 echo "vhost-user support $vhost_user"
6377 echo "Trace backends    $trace_backends"
6378 if have_backend "simple"; then
6379 echo "Trace output file $trace_file-<pid>"
6380 fi
6381 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6382 echo "rbd support       $rbd"
6383 echo "xfsctl support    $xfs"
6384 echo "smartcard support $smartcard"
6385 echo "libusb            $libusb"
6386 echo "usb net redir     $usb_redir"
6387 echo "OpenGL support    $opengl"
6388 echo "OpenGL dmabufs    $opengl_dmabuf"
6389 echo "libiscsi support  $libiscsi"
6390 echo "libnfs support    $libnfs"
6391 echo "build guest agent $guest_agent"
6392 echo "QGA VSS support   $guest_agent_with_vss"
6393 echo "QGA w32 disk info $guest_agent_ntddscsi"
6394 echo "QGA MSI support   $guest_agent_msi"
6395 echo "seccomp support   $seccomp"
6396 echo "coroutine backend $coroutine"
6397 echo "coroutine pool    $coroutine_pool"
6398 echo "debug stack usage $debug_stack_usage"
6399 echo "mutex debugging   $debug_mutex"
6400 echo "crypto afalg      $crypto_afalg"
6401 echo "GlusterFS support $glusterfs"
6402 echo "gcov              $gcov_tool"
6403 echo "gcov enabled      $gcov"
6404 echo "TPM support       $tpm"
6405 echo "libssh2 support   $libssh2"
6406 echo "TPM passthrough   $tpm_passthrough"
6407 echo "TPM emulator      $tpm_emulator"
6408 echo "QOM debugging     $qom_cast_debug"
6409 echo "Live block migration $live_block_migration"
6410 echo "lzo support       $lzo"
6411 echo "snappy support    $snappy"
6412 echo "bzip2 support     $bzip2"
6413 echo "lzfse support     $lzfse"
6414 echo "NUMA host support $numa"
6415 echo "libxml2           $libxml2"
6416 echo "tcmalloc support  $tcmalloc"
6417 echo "jemalloc support  $jemalloc"
6418 echo "avx2 optimization $avx2_opt"
6419 echo "replication support $replication"
6420 echo "VxHS block device $vxhs"
6421 echo "bochs support     $bochs"
6422 echo "cloop support     $cloop"
6423 echo "dmg support       $dmg"
6424 echo "qcow v1 support   $qcow1"
6425 echo "vdi support       $vdi"
6426 echo "vvfat support     $vvfat"
6427 echo "qed support       $qed"
6428 echo "parallels support $parallels"
6429 echo "sheepdog support  $sheepdog"
6430 echo "capstone          $capstone"
6431 echo "docker            $docker"
6432 echo "libpmem support   $libpmem"
6433 echo "libudev           $libudev"
6434 echo "default devices   $default_devices"
6435
6436 if test "$supported_cpu" = "no"; then
6437     echo
6438     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6439     echo
6440     echo "CPU host architecture $cpu support is not currently maintained."
6441     echo "The QEMU project intends to remove support for this host CPU in"
6442     echo "a future release if nobody volunteers to maintain it and to"
6443     echo "provide a build host for our continuous integration setup."
6444     echo "configure has succeeded and you can continue to build, but"
6445     echo "if you care about QEMU on this platform you should contact"
6446     echo "us upstream at [email protected]."
6447 fi
6448
6449 if test "$supported_os" = "no"; then
6450     echo
6451     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6452     echo
6453     echo "Host OS $targetos support is not currently maintained."
6454     echo "The QEMU project intends to remove support for this host OS in"
6455     echo "a future release if nobody volunteers to maintain it and to"
6456     echo "provide a build host for our continuous integration setup."
6457     echo "configure has succeeded and you can continue to build, but"
6458     echo "if you care about QEMU on this platform you should contact"
6459     echo "us upstream at [email protected]."
6460 fi
6461
6462 config_host_mak="config-host.mak"
6463
6464 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6465
6466 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6467 echo >> $config_host_mak
6468
6469 echo all: >> $config_host_mak
6470 echo "prefix=$prefix" >> $config_host_mak
6471 echo "bindir=$bindir" >> $config_host_mak
6472 echo "libdir=$libdir" >> $config_host_mak
6473 echo "libexecdir=$libexecdir" >> $config_host_mak
6474 echo "includedir=$includedir" >> $config_host_mak
6475 echo "mandir=$mandir" >> $config_host_mak
6476 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6477 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6478 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6479 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6480 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6481 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6482 if test "$mingw32" = "no" ; then
6483   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6484 fi
6485 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6486 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6487 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6488 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6489 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6490 echo "GIT=$git" >> $config_host_mak
6491 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6492 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6493
6494 echo "ARCH=$ARCH" >> $config_host_mak
6495
6496 if test "$default_devices" = "yes" ; then
6497   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6498 else
6499   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6500 fi
6501 if test "$debug_tcg" = "yes" ; then
6502   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6503 fi
6504 if test "$strip_opt" = "yes" ; then
6505   echo "STRIP=${strip}" >> $config_host_mak
6506 fi
6507 if test "$bigendian" = "yes" ; then
6508   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6509 fi
6510 if test "$mingw32" = "yes" ; then
6511   echo "CONFIG_WIN32=y" >> $config_host_mak
6512   rc_version=$(cat $source_path/VERSION)
6513   version_major=${rc_version%%.*}
6514   rc_version=${rc_version#*.}
6515   version_minor=${rc_version%%.*}
6516   rc_version=${rc_version#*.}
6517   version_subminor=${rc_version%%.*}
6518   version_micro=0
6519   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6520   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6521   if test "$guest_agent_with_vss" = "yes" ; then
6522     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6523     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6524     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6525   fi
6526   if test "$guest_agent_ntddscsi" = "yes" ; then
6527     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6528   fi
6529   if test "$guest_agent_msi" = "yes"; then
6530     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6531     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6532     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6533     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6534     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6535     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6536     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6537   fi
6538 else
6539   echo "CONFIG_POSIX=y" >> $config_host_mak
6540 fi
6541
6542 if test "$linux" = "yes" ; then
6543   echo "CONFIG_LINUX=y" >> $config_host_mak
6544 fi
6545
6546 if test "$darwin" = "yes" ; then
6547   echo "CONFIG_DARWIN=y" >> $config_host_mak
6548 fi
6549
6550 if test "$solaris" = "yes" ; then
6551   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6552 fi
6553 if test "$haiku" = "yes" ; then
6554   echo "CONFIG_HAIKU=y" >> $config_host_mak
6555 fi
6556 if test "$static" = "yes" ; then
6557   echo "CONFIG_STATIC=y" >> $config_host_mak
6558 fi
6559 if test "$profiler" = "yes" ; then
6560   echo "CONFIG_PROFILER=y" >> $config_host_mak
6561 fi
6562 if test "$slirp" != "no"; then
6563   echo "CONFIG_SLIRP=y" >> $config_host_mak
6564   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6565   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6566   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6567 fi
6568 if [ "$slirp" = "internal" ]; then
6569     echo "config-host.h: subdir-slirp" >> $config_host_mak
6570 fi
6571 if test "$vde" = "yes" ; then
6572   echo "CONFIG_VDE=y" >> $config_host_mak
6573   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6574 fi
6575 if test "$netmap" = "yes" ; then
6576   echo "CONFIG_NETMAP=y" >> $config_host_mak
6577 fi
6578 if test "$l2tpv3" = "yes" ; then
6579   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6580 fi
6581 if test "$cap_ng" = "yes" ; then
6582   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6583 fi
6584 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6585 for drv in $audio_drv_list; do
6586     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6587     case "$drv" in
6588         alsa | oss | pa | sdl)
6589             echo "$def=m" >> $config_host_mak ;;
6590         *)
6591             echo "$def=y" >> $config_host_mak ;;
6592     esac
6593 done
6594 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6595 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6596 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6597 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6598 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6599 if test "$audio_pt_int" = "yes" ; then
6600   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6601 fi
6602 if test "$audio_win_int" = "yes" ; then
6603   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6604 fi
6605 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6606 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6607 if test "$vnc" = "yes" ; then
6608   echo "CONFIG_VNC=y" >> $config_host_mak
6609 fi
6610 if test "$vnc_sasl" = "yes" ; then
6611   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6612 fi
6613 if test "$vnc_jpeg" = "yes" ; then
6614   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6615 fi
6616 if test "$vnc_png" = "yes" ; then
6617   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6618 fi
6619 if test "$xkbcommon" = "yes" ; then
6620   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6621   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6622 fi
6623 if test "$xfs" = "yes" ; then
6624   echo "CONFIG_XFS=y" >> $config_host_mak
6625 fi
6626 qemu_version=$(head $source_path/VERSION)
6627 echo "VERSION=$qemu_version" >>$config_host_mak
6628 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6629 echo "SRC_PATH=$source_path" >> $config_host_mak
6630 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6631 if [ "$docs" = "yes" ] ; then
6632   echo "BUILD_DOCS=yes" >> $config_host_mak
6633 fi
6634 if test "$modules" = "yes"; then
6635   # $shacmd can generate a hash started with digit, which the compiler doesn't
6636   # like as an symbol. So prefix it with an underscore
6637   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6638   echo "CONFIG_MODULES=y" >> $config_host_mak
6639 fi
6640 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6641   echo "CONFIG_X11=y" >> $config_host_mak
6642   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6643   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6644 fi
6645 if test "$sdl" = "yes" ; then
6646   echo "CONFIG_SDL=m" >> $config_host_mak
6647   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6648   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6649   if test "$sdl_image" = "yes" ; then
6650       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6651   fi
6652 fi
6653 if test "$cocoa" = "yes" ; then
6654   echo "CONFIG_COCOA=y" >> $config_host_mak
6655 fi
6656 if test "$iconv" = "yes" ; then
6657   echo "CONFIG_ICONV=y" >> $config_host_mak
6658   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6659   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6660 fi
6661 if test "$curses" = "yes" ; then
6662   echo "CONFIG_CURSES=m" >> $config_host_mak
6663   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6664   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6665 fi
6666 if test "$pipe2" = "yes" ; then
6667   echo "CONFIG_PIPE2=y" >> $config_host_mak
6668 fi
6669 if test "$accept4" = "yes" ; then
6670   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6671 fi
6672 if test "$splice" = "yes" ; then
6673   echo "CONFIG_SPLICE=y" >> $config_host_mak
6674 fi
6675 if test "$eventfd" = "yes" ; then
6676   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6677 fi
6678 if test "$memfd" = "yes" ; then
6679   echo "CONFIG_MEMFD=y" >> $config_host_mak
6680 fi
6681 if test "$have_usbfs" = "yes" ; then
6682   echo "CONFIG_USBFS=y" >> $config_host_mak
6683 fi
6684 if test "$fallocate" = "yes" ; then
6685   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6686 fi
6687 if test "$fallocate_punch_hole" = "yes" ; then
6688   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6689 fi
6690 if test "$fallocate_zero_range" = "yes" ; then
6691   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6692 fi
6693 if test "$posix_fallocate" = "yes" ; then
6694   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6695 fi
6696 if test "$sync_file_range" = "yes" ; then
6697   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6698 fi
6699 if test "$fiemap" = "yes" ; then
6700   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6701 fi
6702 if test "$dup3" = "yes" ; then
6703   echo "CONFIG_DUP3=y" >> $config_host_mak
6704 fi
6705 if test "$ppoll" = "yes" ; then
6706   echo "CONFIG_PPOLL=y" >> $config_host_mak
6707 fi
6708 if test "$prctl_pr_set_timerslack" = "yes" ; then
6709   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6710 fi
6711 if test "$epoll" = "yes" ; then
6712   echo "CONFIG_EPOLL=y" >> $config_host_mak
6713 fi
6714 if test "$epoll_create1" = "yes" ; then
6715   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6716 fi
6717 if test "$sendfile" = "yes" ; then
6718   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6719 fi
6720 if test "$timerfd" = "yes" ; then
6721   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6722 fi
6723 if test "$setns" = "yes" ; then
6724   echo "CONFIG_SETNS=y" >> $config_host_mak
6725 fi
6726 if test "$clock_adjtime" = "yes" ; then
6727   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6728 fi
6729 if test "$syncfs" = "yes" ; then
6730   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6731 fi
6732 if test "$inotify" = "yes" ; then
6733   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6734 fi
6735 if test "$inotify1" = "yes" ; then
6736   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6737 fi
6738 if test "$sem_timedwait" = "yes" ; then
6739   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6740 fi
6741 if test "$strchrnul" = "yes" ; then
6742   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6743 fi
6744 if test "$byteswap_h" = "yes" ; then
6745   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6746 fi
6747 if test "$bswap_h" = "yes" ; then
6748   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6749 fi
6750 if test "$curl" = "yes" ; then
6751   echo "CONFIG_CURL=m" >> $config_host_mak
6752   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6753   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6754 fi
6755 if test "$brlapi" = "yes" ; then
6756   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6757   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6758 fi
6759 if test "$bluez" = "yes" ; then
6760   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6761   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6762 fi
6763 if test "$gtk" = "yes" ; then
6764   echo "CONFIG_GTK=m" >> $config_host_mak
6765   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6766   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6767   if test "$gtk_gl" = "yes" ; then
6768     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6769   fi
6770 fi
6771 if test "$gio" = "yes" ; then
6772     echo "CONFIG_GIO=y" >> $config_host_mak
6773     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6774     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6775 fi
6776 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6777 if test "$gnutls" = "yes" ; then
6778   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6779 fi
6780 if test "$gcrypt" = "yes" ; then
6781   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6782   if test "$gcrypt_hmac" = "yes" ; then
6783     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6784   fi
6785 fi
6786 if test "$nettle" = "yes" ; then
6787   echo "CONFIG_NETTLE=y" >> $config_host_mak
6788   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6789 fi
6790 if test "$tasn1" = "yes" ; then
6791   echo "CONFIG_TASN1=y" >> $config_host_mak
6792 fi
6793 if test "$auth_pam" = "yes" ; then
6794     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6795 fi
6796 if test "$have_ifaddrs_h" = "yes" ; then
6797     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6798 fi
6799 if test "$have_broken_size_max" = "yes" ; then
6800     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6801 fi
6802
6803 # Work around a system header bug with some kernel/XFS header
6804 # versions where they both try to define 'struct fsxattr':
6805 # xfs headers will not try to redefine structs from linux headers
6806 # if this macro is set.
6807 if test "$have_fsxattr" = "yes" ; then
6808     echo "HAVE_FSXATTR=y" >> $config_host_mak
6809 fi
6810 if test "$have_copy_file_range" = "yes" ; then
6811     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6812 fi
6813 if test "$vte" = "yes" ; then
6814   echo "CONFIG_VTE=y" >> $config_host_mak
6815   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6816   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6817 fi
6818 if test "$virglrenderer" = "yes" ; then
6819   echo "CONFIG_VIRGL=y" >> $config_host_mak
6820   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6821   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6822 fi
6823 if test "$xen" = "yes" ; then
6824   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6825   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6826 fi
6827 if test "$linux_aio" = "yes" ; then
6828   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6829 fi
6830 if test "$attr" = "yes" ; then
6831   echo "CONFIG_ATTR=y" >> $config_host_mak
6832 fi
6833 if test "$libattr" = "yes" ; then
6834   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6835 fi
6836 if test "$virtfs" = "yes" ; then
6837   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6838 fi
6839 if test "$mpath" = "yes" ; then
6840   echo "CONFIG_MPATH=y" >> $config_host_mak
6841   if test "$mpathpersist_new_api" = "yes"; then
6842     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6843   fi
6844 fi
6845 if test "$vhost_scsi" = "yes" ; then
6846   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6847 fi
6848 if test "$vhost_net" = "yes" ; then
6849   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6850 fi
6851 if test "$vhost_net_user" = "yes" ; then
6852   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6853 fi
6854 if test "$vhost_crypto" = "yes" ; then
6855   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6856 fi
6857 if test "$vhost_vsock" = "yes" ; then
6858   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6859 fi
6860 if test "$vhost_kernel" = "yes" ; then
6861   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6862 fi
6863 if test "$vhost_user" = "yes" ; then
6864   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6865 fi
6866 if test "$blobs" = "yes" ; then
6867   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6868 fi
6869 if test "$iovec" = "yes" ; then
6870   echo "CONFIG_IOVEC=y" >> $config_host_mak
6871 fi
6872 if test "$preadv" = "yes" ; then
6873   echo "CONFIG_PREADV=y" >> $config_host_mak
6874 fi
6875 if test "$fdt" != "no" ; then
6876   echo "CONFIG_FDT=y" >> $config_host_mak
6877 fi
6878 if test "$membarrier" = "yes" ; then
6879   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6880 fi
6881 if test "$signalfd" = "yes" ; then
6882   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6883 fi
6884 if test "$optreset" = "yes" ; then
6885   echo "HAVE_OPTRESET=y" >> $config_host_mak
6886 fi
6887 if test "$tcg" = "yes"; then
6888   echo "CONFIG_TCG=y" >> $config_host_mak
6889   if test "$tcg_interpreter" = "yes" ; then
6890     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6891   fi
6892 fi
6893 if test "$fdatasync" = "yes" ; then
6894   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6895 fi
6896 if test "$madvise" = "yes" ; then
6897   echo "CONFIG_MADVISE=y" >> $config_host_mak
6898 fi
6899 if test "$posix_madvise" = "yes" ; then
6900   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6901 fi
6902 if test "$posix_memalign" = "yes" ; then
6903   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6904 fi
6905
6906 if test "$spice" = "yes" ; then
6907   echo "CONFIG_SPICE=y" >> $config_host_mak
6908 fi
6909
6910 if test "$smartcard" = "yes" ; then
6911   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6912   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6913   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6914 fi
6915
6916 if test "$libusb" = "yes" ; then
6917   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6918   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6919   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6920 fi
6921
6922 if test "$usb_redir" = "yes" ; then
6923   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6924   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6925   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6926 fi
6927
6928 if test "$opengl" = "yes" ; then
6929   echo "CONFIG_OPENGL=y" >> $config_host_mak
6930   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6931   if test "$opengl_dmabuf" = "yes" ; then
6932     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6933   fi
6934 fi
6935
6936 if test "$malloc_trim" = "yes" ; then
6937   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6938 fi
6939
6940 if test "$avx2_opt" = "yes" ; then
6941   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6942 fi
6943
6944 if test "$lzo" = "yes" ; then
6945   echo "CONFIG_LZO=y" >> $config_host_mak
6946 fi
6947
6948 if test "$snappy" = "yes" ; then
6949   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6950 fi
6951
6952 if test "$bzip2" = "yes" ; then
6953   echo "CONFIG_BZIP2=y" >> $config_host_mak
6954   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6955 fi
6956
6957 if test "$lzfse" = "yes" ; then
6958   echo "CONFIG_LZFSE=y" >> $config_host_mak
6959   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6960 fi
6961
6962 if test "$libiscsi" = "yes" ; then
6963   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6964   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6965   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6966 fi
6967
6968 if test "$libnfs" = "yes" ; then
6969   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6970   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6971 fi
6972
6973 if test "$seccomp" = "yes"; then
6974   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6975   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6976   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6977 fi
6978
6979 # XXX: suppress that
6980 if [ "$bsd" = "yes" ] ; then
6981   echo "CONFIG_BSD=y" >> $config_host_mak
6982 fi
6983
6984 if test "$localtime_r" = "yes" ; then
6985   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6986 fi
6987 if test "$qom_cast_debug" = "yes" ; then
6988   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6989 fi
6990 if test "$rbd" = "yes" ; then
6991   echo "CONFIG_RBD=m" >> $config_host_mak
6992   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6993   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6994 fi
6995
6996 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6997 if test "$coroutine_pool" = "yes" ; then
6998   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6999 else
7000   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7001 fi
7002
7003 if test "$debug_stack_usage" = "yes" ; then
7004   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7005 fi
7006
7007 if test "$crypto_afalg" = "yes" ; then
7008   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7009 fi
7010
7011 if test "$open_by_handle_at" = "yes" ; then
7012   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7013 fi
7014
7015 if test "$linux_magic_h" = "yes" ; then
7016   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7017 fi
7018
7019 if test "$pragma_diagnostic_available" = "yes" ; then
7020   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7021 fi
7022
7023 if test "$valgrind_h" = "yes" ; then
7024   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7025 fi
7026
7027 if test "$have_asan_iface_fiber" = "yes" ; then
7028     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7029 fi
7030
7031 if test "$has_environ" = "yes" ; then
7032   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7033 fi
7034
7035 if test "$cpuid_h" = "yes" ; then
7036   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7037 fi
7038
7039 if test "$int128" = "yes" ; then
7040   echo "CONFIG_INT128=y" >> $config_host_mak
7041 fi
7042
7043 if test "$atomic128" = "yes" ; then
7044   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7045 fi
7046
7047 if test "$cmpxchg128" = "yes" ; then
7048   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7049 fi
7050
7051 if test "$atomic64" = "yes" ; then
7052   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7053 fi
7054
7055 if test "$vector16" = "yes" ; then
7056   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7057 fi
7058
7059 if test "$getauxval" = "yes" ; then
7060   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7061 fi
7062
7063 if test "$glusterfs" = "yes" ; then
7064   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7065   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7066   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7067 fi
7068
7069 if test "$glusterfs_xlator_opt" = "yes" ; then
7070   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7071 fi
7072
7073 if test "$glusterfs_discard" = "yes" ; then
7074   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7075 fi
7076
7077 if test "$glusterfs_fallocate" = "yes" ; then
7078   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7079 fi
7080
7081 if test "$glusterfs_zerofill" = "yes" ; then
7082   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7083 fi
7084
7085 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7086   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7087 fi
7088
7089 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7090   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7091 fi
7092
7093 if test "$libssh2" = "yes" ; then
7094   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
7095   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
7096   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
7097 fi
7098
7099 if test "$live_block_migration" = "yes" ; then
7100   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7101 fi
7102
7103 if test "$tpm" = "yes"; then
7104   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
7105   # TPM passthrough support?
7106   if test "$tpm_passthrough" = "yes"; then
7107     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
7108   fi
7109   # TPM emulator support?
7110   if test "$tpm_emulator" = "yes"; then
7111     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
7112   fi
7113 fi
7114
7115 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7116 if have_backend "nop"; then
7117   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7118 fi
7119 if have_backend "simple"; then
7120   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7121   # Set the appropriate trace file.
7122   trace_file="\"$trace_file-\" FMT_pid"
7123 fi
7124 if have_backend "log"; then
7125   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7126 fi
7127 if have_backend "ust"; then
7128   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7129 fi
7130 if have_backend "dtrace"; then
7131   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7132   if test "$trace_backend_stap" = "yes" ; then
7133     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7134   fi
7135 fi
7136 if have_backend "ftrace"; then
7137   if test "$linux" = "yes" ; then
7138     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7139   else
7140     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7141   fi
7142 fi
7143 if have_backend "syslog"; then
7144   if test "$posix_syslog" = "yes" ; then
7145     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7146   else
7147     feature_not_found "syslog(trace backend)" "syslog not available"
7148   fi
7149 fi
7150 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7151
7152 if test "$rdma" = "yes" ; then
7153   echo "CONFIG_RDMA=y" >> $config_host_mak
7154   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7155 fi
7156
7157 if test "$pvrdma" = "yes" ; then
7158   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7159 fi
7160
7161 if test "$have_rtnetlink" = "yes" ; then
7162   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7163 fi
7164
7165 if test "$libxml2" = "yes" ; then
7166   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7167   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7168   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7169 fi
7170
7171 if test "$replication" = "yes" ; then
7172   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7173 fi
7174
7175 if test "$have_af_vsock" = "yes" ; then
7176   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7177 fi
7178
7179 if test "$have_sysmacros" = "yes" ; then
7180   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7181 fi
7182
7183 if test "$have_static_assert" = "yes" ; then
7184   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7185 fi
7186
7187 if test "$have_utmpx" = "yes" ; then
7188   echo "HAVE_UTMPX=y" >> $config_host_mak
7189 fi
7190
7191 if test "$ivshmem" = "yes" ; then
7192   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7193 fi
7194 if test "$capstone" != "no" ; then
7195   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7196 fi
7197 if test "$debug_mutex" = "yes" ; then
7198   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7199 fi
7200
7201 # Hold two types of flag:
7202 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7203 #                                     a thread we have a handle to
7204 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7205 #                                     platform
7206 if test "$pthread_setname_np_w_tid" = "yes" ; then
7207   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7208   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7209 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7210   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7211   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7212 fi
7213
7214 if test "$vxhs" = "yes" ; then
7215   echo "CONFIG_VXHS=y" >> $config_host_mak
7216   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7217 fi
7218
7219 if test "$libpmem" = "yes" ; then
7220   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7221 fi
7222
7223 if test "$bochs" = "yes" ; then
7224   echo "CONFIG_BOCHS=y" >> $config_host_mak
7225 fi
7226 if test "$cloop" = "yes" ; then
7227   echo "CONFIG_CLOOP=y" >> $config_host_mak
7228 fi
7229 if test "$dmg" = "yes" ; then
7230   echo "CONFIG_DMG=y" >> $config_host_mak
7231 fi
7232 if test "$qcow1" = "yes" ; then
7233   echo "CONFIG_QCOW1=y" >> $config_host_mak
7234 fi
7235 if test "$vdi" = "yes" ; then
7236   echo "CONFIG_VDI=y" >> $config_host_mak
7237 fi
7238 if test "$vvfat" = "yes" ; then
7239   echo "CONFIG_VVFAT=y" >> $config_host_mak
7240 fi
7241 if test "$qed" = "yes" ; then
7242   echo "CONFIG_QED=y" >> $config_host_mak
7243 fi
7244 if test "$parallels" = "yes" ; then
7245   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7246 fi
7247 if test "$sheepdog" = "yes" ; then
7248   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7249 fi
7250
7251 if test "$tcg_interpreter" = "yes"; then
7252   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7253 elif test "$ARCH" = "sparc64" ; then
7254   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7255 elif test "$ARCH" = "s390x" ; then
7256   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7257 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7258   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7259 elif test "$ARCH" = "ppc64" ; then
7260   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7261 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7262   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7263 else
7264   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7265 fi
7266 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7267
7268 echo "TOOLS=$tools" >> $config_host_mak
7269 echo "ROMS=$roms" >> $config_host_mak
7270 echo "MAKE=$make" >> $config_host_mak
7271 echo "INSTALL=$install" >> $config_host_mak
7272 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7273 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7274 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7275 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7276 echo "PYTHON=$python" >> $config_host_mak
7277 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
7278 echo "CC=$cc" >> $config_host_mak
7279 if $iasl -h > /dev/null 2>&1; then
7280   echo "IASL=$iasl" >> $config_host_mak
7281 fi
7282 echo "HOST_CC=$host_cc" >> $config_host_mak
7283 echo "CXX=$cxx" >> $config_host_mak
7284 echo "OBJCC=$objcc" >> $config_host_mak
7285 echo "AR=$ar" >> $config_host_mak
7286 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7287 echo "AS=$as" >> $config_host_mak
7288 echo "CCAS=$ccas" >> $config_host_mak
7289 echo "CPP=$cpp" >> $config_host_mak
7290 echo "OBJCOPY=$objcopy" >> $config_host_mak
7291 echo "LD=$ld" >> $config_host_mak
7292 echo "RANLIB=$ranlib" >> $config_host_mak
7293 echo "NM=$nm" >> $config_host_mak
7294 echo "WINDRES=$windres" >> $config_host_mak
7295 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7296 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7297 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7298 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7299 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7300 if test "$sparse" = "yes" ; then
7301   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7302   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7303   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7304   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7305   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7306 fi
7307 if test "$cross_prefix" != ""; then
7308   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7309 else
7310   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7311 fi
7312 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7313 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7314 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7315 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7316 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7317 echo "LIBS+=$LIBS" >> $config_host_mak
7318 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7319 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7320 echo "EXESUF=$EXESUF" >> $config_host_mak
7321 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7322 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7323 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7324 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7325 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7326 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7327 if test "$gcov" = "yes" ; then
7328   echo "CONFIG_GCOV=y" >> $config_host_mak
7329   echo "GCOV=$gcov_tool" >> $config_host_mak
7330 fi
7331
7332 if test "$docker" != "no"; then
7333     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7334 fi
7335
7336 if test "$libudev" != "no"; then
7337     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7338     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7339 fi
7340
7341 # use included Linux headers
7342 if test "$linux" = "yes" ; then
7343   mkdir -p linux-headers
7344   case "$cpu" in
7345   i386|x86_64|x32)
7346     linux_arch=x86
7347     ;;
7348   ppc|ppc64)
7349     linux_arch=powerpc
7350     ;;
7351   s390x)
7352     linux_arch=s390
7353     ;;
7354   aarch64)
7355     linux_arch=arm64
7356     ;;
7357   mips64)
7358     linux_arch=mips
7359     ;;
7360   *)
7361     # For most CPUs the kernel architecture name and QEMU CPU name match.
7362     linux_arch="$cpu"
7363     ;;
7364   esac
7365     # For non-KVM architectures we will not have asm headers
7366     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7367       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7368     fi
7369 fi
7370
7371 for target in $target_list; do
7372 target_dir="$target"
7373 config_target_mak=$target_dir/config-target.mak
7374 target_name=$(echo $target | cut -d '-' -f 1)
7375 target_bigendian="no"
7376
7377 case "$target_name" in
7378   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7379   target_bigendian=yes
7380   ;;
7381 esac
7382 target_softmmu="no"
7383 target_user_only="no"
7384 target_linux_user="no"
7385 target_bsd_user="no"
7386 case "$target" in
7387   ${target_name}-softmmu)
7388     target_softmmu="yes"
7389     ;;
7390   ${target_name}-linux-user)
7391     target_user_only="yes"
7392     target_linux_user="yes"
7393     ;;
7394   ${target_name}-bsd-user)
7395     target_user_only="yes"
7396     target_bsd_user="yes"
7397     ;;
7398   *)
7399     error_exit "Target '$target' not recognised"
7400     exit 1
7401     ;;
7402 esac
7403
7404 target_compiler=""
7405 target_compiler_static=""
7406 target_compiler_cflags=""
7407
7408 mkdir -p $target_dir
7409 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7410
7411 bflt="no"
7412 mttcg="no"
7413 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7414 gdb_xml_files=""
7415
7416 TARGET_ARCH="$target_name"
7417 TARGET_BASE_ARCH=""
7418 TARGET_ABI_DIR=""
7419
7420 case "$target_name" in
7421   i386)
7422     mttcg="yes"
7423         gdb_xml_files="i386-32bit.xml"
7424     target_compiler=$cross_cc_i386
7425     target_compiler_cflags=$cross_cc_ccflags_i386
7426   ;;
7427   x86_64)
7428     TARGET_BASE_ARCH=i386
7429     mttcg="yes"
7430         gdb_xml_files="i386-64bit.xml"
7431     target_compiler=$cross_cc_x86_64
7432   ;;
7433   alpha)
7434     mttcg="yes"
7435     target_compiler=$cross_cc_alpha
7436   ;;
7437   arm|armeb)
7438     TARGET_ARCH=arm
7439     bflt="yes"
7440     mttcg="yes"
7441     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7442     target_compiler=$cross_cc_arm
7443     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7444   ;;
7445   aarch64|aarch64_be)
7446     TARGET_ARCH=aarch64
7447     TARGET_BASE_ARCH=arm
7448     bflt="yes"
7449     mttcg="yes"
7450     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7451     target_compiler=$cross_cc_aarch64
7452     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7453   ;;
7454   cris)
7455     target_compiler=$cross_cc_cris
7456   ;;
7457   hppa)
7458     mttcg="yes"
7459     target_compiler=$cross_cc_hppa
7460   ;;
7461   lm32)
7462     target_compiler=$cross_cc_lm32
7463   ;;
7464   m68k)
7465     bflt="yes"
7466     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7467     target_compiler=$cross_cc_m68k
7468   ;;
7469   microblaze|microblazeel)
7470     TARGET_ARCH=microblaze
7471     bflt="yes"
7472     echo "TARGET_ABI32=y" >> $config_target_mak
7473     target_compiler=$cross_cc_microblaze
7474   ;;
7475   mips|mipsel)
7476     mttcg="yes"
7477     TARGET_ARCH=mips
7478     target_compiler=$cross_cc_mips
7479     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7480   ;;
7481   mipsn32|mipsn32el)
7482     mttcg="yes"
7483     TARGET_ARCH=mips64
7484     TARGET_BASE_ARCH=mips
7485     target_compiler=$cross_cc_mipsn32
7486     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7487     echo "TARGET_ABI32=y" >> $config_target_mak
7488   ;;
7489   mips64|mips64el)
7490     mttcg="yes"
7491     TARGET_ARCH=mips64
7492     TARGET_BASE_ARCH=mips
7493     target_compiler=$cross_cc_mips64
7494     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7495   ;;
7496   moxie)
7497     target_compiler=$cross_cc_moxie
7498   ;;
7499   nios2)
7500     target_compiler=$cross_cc_nios2
7501   ;;
7502   or1k)
7503     target_compiler=$cross_cc_or1k
7504     TARGET_ARCH=openrisc
7505     TARGET_BASE_ARCH=openrisc
7506   ;;
7507   ppc)
7508     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7509     target_compiler=$cross_cc_powerpc
7510   ;;
7511   ppc64)
7512     TARGET_BASE_ARCH=ppc
7513     TARGET_ABI_DIR=ppc
7514     mttcg=yes
7515     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7516     target_compiler=$cross_cc_ppc64
7517   ;;
7518   ppc64le)
7519     TARGET_ARCH=ppc64
7520     TARGET_BASE_ARCH=ppc
7521     TARGET_ABI_DIR=ppc
7522     mttcg=yes
7523     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7524     target_compiler=$cross_cc_ppc64le
7525   ;;
7526   ppc64abi32)
7527     TARGET_ARCH=ppc64
7528     TARGET_BASE_ARCH=ppc
7529     TARGET_ABI_DIR=ppc
7530     echo "TARGET_ABI32=y" >> $config_target_mak
7531     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7532     target_compiler=$cross_cc_ppc64abi32
7533   ;;
7534   riscv32)
7535     TARGET_BASE_ARCH=riscv
7536     TARGET_ABI_DIR=riscv
7537     mttcg=yes
7538     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml"
7539     target_compiler=$cross_cc_riscv32
7540   ;;
7541   riscv64)
7542     TARGET_BASE_ARCH=riscv
7543     TARGET_ABI_DIR=riscv
7544     mttcg=yes
7545     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml"
7546     target_compiler=$cross_cc_riscv64
7547   ;;
7548   sh4|sh4eb)
7549     TARGET_ARCH=sh4
7550     bflt="yes"
7551     target_compiler=$cross_cc_sh4
7552   ;;
7553   sparc)
7554     target_compiler=$cross_cc_sparc
7555   ;;
7556   sparc64)
7557     TARGET_BASE_ARCH=sparc
7558     target_compiler=$cross_cc_sparc64
7559   ;;
7560   sparc32plus)
7561     TARGET_ARCH=sparc64
7562     TARGET_BASE_ARCH=sparc
7563     TARGET_ABI_DIR=sparc
7564     target_compiler=$cross_cc_sparc32plus
7565     echo "TARGET_ABI32=y" >> $config_target_mak
7566   ;;
7567   s390x)
7568     mttcg=yes
7569     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7570     target_compiler=$cross_cc_s390x
7571   ;;
7572   tilegx)
7573     target_compiler=$cross_cc_tilegx
7574   ;;
7575   tricore)
7576     target_compiler=$cross_cc_tricore
7577   ;;
7578   unicore32)
7579     target_compiler=$cross_cc_unicore32
7580   ;;
7581   xtensa|xtensaeb)
7582     TARGET_ARCH=xtensa
7583     bflt="yes"
7584     mttcg="yes"
7585     target_compiler=$cross_cc_xtensa
7586   ;;
7587   *)
7588     error_exit "Unsupported target CPU"
7589   ;;
7590 esac
7591 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7592 if [ "$TARGET_BASE_ARCH" = "" ]; then
7593   TARGET_BASE_ARCH=$TARGET_ARCH
7594 fi
7595
7596 # Do we have a cross compiler for this target?
7597 if has $target_compiler; then
7598
7599     write_c_skeleton
7600
7601     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7602         # For host systems we might get away with building without -static
7603         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7604             target_compiler=""
7605         else
7606             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7607             target_compiler_static="n"
7608         fi
7609     else
7610         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7611         target_compiler_static="y"
7612     fi
7613 else
7614     target_compiler=""
7615 fi
7616
7617 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7618
7619 upper() {
7620     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7621 }
7622
7623 target_arch_name="$(upper $TARGET_ARCH)"
7624 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7625 echo "TARGET_NAME=$target_name" >> $config_target_mak
7626 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7627 if [ "$TARGET_ABI_DIR" = "" ]; then
7628   TARGET_ABI_DIR=$TARGET_ARCH
7629 fi
7630 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7631 if [ "$HOST_VARIANT_DIR" != "" ]; then
7632     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7633 fi
7634
7635 if supported_xen_target $target; then
7636     echo "CONFIG_XEN=y" >> $config_target_mak
7637     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7638     if test "$xen_pci_passthrough" = yes; then
7639         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7640     fi
7641 else
7642     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7643 fi
7644 if supported_kvm_target $target; then
7645     echo "CONFIG_KVM=y" >> $config_target_mak
7646     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7647 else
7648     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7649 fi
7650 if supported_hax_target $target; then
7651     echo "CONFIG_HAX=y" >> $config_target_mak
7652 fi
7653 if supported_hvf_target $target; then
7654     echo "CONFIG_HVF=y" >> $config_target_mak
7655 fi
7656 if supported_whpx_target $target; then
7657     echo "CONFIG_WHPX=y" >> $config_target_mak
7658 fi
7659 if test "$target_bigendian" = "yes" ; then
7660   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7661 fi
7662 if test "$target_softmmu" = "yes" ; then
7663   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7664   if test "$mttcg" = "yes" ; then
7665     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7666   fi
7667 fi
7668 if test "$target_user_only" = "yes" ; then
7669   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7670   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7671 fi
7672 if test "$target_linux_user" = "yes" ; then
7673   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7674 fi
7675 list=""
7676 if test ! -z "$gdb_xml_files" ; then
7677   for x in $gdb_xml_files; do
7678     list="$list $source_path/gdb-xml/$x"
7679   done
7680   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7681 fi
7682
7683 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7684   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7685 fi
7686 if test "$target_bsd_user" = "yes" ; then
7687   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7688 fi
7689
7690 if test -n "$target_compiler"; then
7691   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7692
7693   if test -n "$target_compiler_static"; then
7694       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7695   fi
7696
7697   if test -n "$target_compiler_cflags"; then
7698       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7699   fi
7700 fi
7701
7702
7703 # generate QEMU_CFLAGS/LDFLAGS for targets
7704
7705 cflags=""
7706 ldflags=""
7707
7708 disas_config() {
7709   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7710   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7711 }
7712
7713 for i in $ARCH $TARGET_BASE_ARCH ; do
7714   case "$i" in
7715   alpha)
7716     disas_config "ALPHA"
7717   ;;
7718   aarch64)
7719     if test -n "${cxx}"; then
7720       disas_config "ARM_A64"
7721     fi
7722   ;;
7723   arm)
7724     disas_config "ARM"
7725     if test -n "${cxx}"; then
7726       disas_config "ARM_A64"
7727     fi
7728   ;;
7729   cris)
7730     disas_config "CRIS"
7731   ;;
7732   hppa)
7733     disas_config "HPPA"
7734   ;;
7735   i386|x86_64|x32)
7736     disas_config "I386"
7737   ;;
7738   lm32)
7739     disas_config "LM32"
7740   ;;
7741   m68k)
7742     disas_config "M68K"
7743   ;;
7744   microblaze*)
7745     disas_config "MICROBLAZE"
7746   ;;
7747   mips*)
7748     disas_config "MIPS"
7749     if test -n "${cxx}"; then
7750       disas_config "NANOMIPS"
7751     fi
7752   ;;
7753   moxie*)
7754     disas_config "MOXIE"
7755   ;;
7756   nios2)
7757     disas_config "NIOS2"
7758   ;;
7759   or1k)
7760     disas_config "OPENRISC"
7761   ;;
7762   ppc*)
7763     disas_config "PPC"
7764   ;;
7765   riscv*)
7766     disas_config "RISCV"
7767   ;;
7768   s390*)
7769     disas_config "S390"
7770   ;;
7771   sh4)
7772     disas_config "SH4"
7773   ;;
7774   sparc*)
7775     disas_config "SPARC"
7776   ;;
7777   xtensa*)
7778     disas_config "XTENSA"
7779   ;;
7780   esac
7781 done
7782 if test "$tcg_interpreter" = "yes" ; then
7783   disas_config "TCI"
7784 fi
7785
7786 case "$ARCH" in
7787 alpha)
7788   # Ensure there's only a single GP
7789   cflags="-msmall-data $cflags"
7790 ;;
7791 esac
7792
7793 if test "$gprof" = "yes" ; then
7794   echo "TARGET_GPROF=y" >> $config_target_mak
7795   if test "$target_linux_user" = "yes" ; then
7796     cflags="-p $cflags"
7797     ldflags="-p $ldflags"
7798   fi
7799   if test "$target_softmmu" = "yes" ; then
7800     ldflags="-p $ldflags"
7801     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7802   fi
7803 fi
7804
7805 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7806   ldflags="$ldflags $textseg_ldflags"
7807 fi
7808
7809 # Newer kernels on s390 check for an S390_PGSTE program header and
7810 # enable the pgste page table extensions in that case. This makes
7811 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7812 # header if
7813 #  - we build on s390x
7814 #  - we build the system emulation for s390x (qemu-system-s390x)
7815 #  - KVM is enabled
7816 #  - the linker supports --s390-pgste
7817 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7818         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7819     if ld_has --s390-pgste ; then
7820         ldflags="-Wl,--s390-pgste $ldflags"
7821     fi
7822 fi
7823
7824 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7825 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7826
7827 done # for target in $targets
7828
7829 if test -n "$enabled_cross_compilers"; then
7830     echo
7831     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7832 fi
7833
7834 if [ "$fdt" = "git" ]; then
7835   echo "config-host.h: subdir-dtc" >> $config_host_mak
7836 fi
7837 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7838   echo "config-host.h: subdir-capstone" >> $config_host_mak
7839 fi
7840 if test -n "$LIBCAPSTONE"; then
7841   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7842 fi
7843
7844 if test "$numa" = "yes"; then
7845   echo "CONFIG_NUMA=y" >> $config_host_mak
7846 fi
7847
7848 if test "$ccache_cpp2" = "yes"; then
7849   echo "export CCACHE_CPP2=y" >> $config_host_mak
7850 fi
7851
7852 # If we're using a separate build tree, set it up now.
7853 # DIRS are directories which we simply mkdir in the build tree;
7854 # LINKS are things to symlink back into the source tree
7855 # (these can be both files and directories).
7856 # Caution: do not add files or directories here using wildcards. This
7857 # will result in problems later if a new file matching the wildcard is
7858 # added to the source tree -- nothing will cause configure to be rerun
7859 # so the build tree will be missing the link back to the new file, and
7860 # tests might fail. Prefer to keep the relevant files in their own
7861 # directory and symlink the directory instead.
7862 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7863 DIRS="$DIRS tests/fp tests/qgraph"
7864 DIRS="$DIRS docs docs/interop fsdev scsi"
7865 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7866 DIRS="$DIRS roms/seabios roms/vgabios"
7867 LINKS="Makefile tests/tcg/Makefile"
7868 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7869 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7870 LINKS="$LINKS tests/fp/Makefile"
7871 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7872 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7873 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7874 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7875 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7876 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7877 LINKS="$LINKS tests/acceptance tests/data"
7878 LINKS="$LINKS tests/qemu-iotests/check"
7879 LINKS="$LINKS python"
7880 for bios_file in \
7881     $source_path/pc-bios/*.bin \
7882     $source_path/pc-bios/*.lid \
7883     $source_path/pc-bios/*.aml \
7884     $source_path/pc-bios/*.rom \
7885     $source_path/pc-bios/*.dtb \
7886     $source_path/pc-bios/*.img \
7887     $source_path/pc-bios/openbios-* \
7888     $source_path/pc-bios/u-boot.* \
7889     $source_path/pc-bios/edk2-*.fd.bz2 \
7890     $source_path/pc-bios/palcode-*
7891 do
7892     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7893 done
7894 mkdir -p $DIRS
7895 for f in $LINKS ; do
7896     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7897         symlink "$source_path/$f" "$f"
7898     fi
7899 done
7900
7901 # temporary config to build submodules
7902 for rom in seabios vgabios ; do
7903     config_mak=roms/$rom/config.mak
7904     echo "# Automatically generated by configure - do not modify" > $config_mak
7905     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7906     echo "AS=$as" >> $config_mak
7907     echo "CCAS=$ccas" >> $config_mak
7908     echo "CC=$cc" >> $config_mak
7909     echo "BCC=bcc" >> $config_mak
7910     echo "CPP=$cpp" >> $config_mak
7911     echo "OBJCOPY=objcopy" >> $config_mak
7912     echo "IASL=$iasl" >> $config_mak
7913     echo "LD=$ld" >> $config_mak
7914     echo "RANLIB=$ranlib" >> $config_mak
7915 done
7916
7917 # set up qemu-iotests in this build directory
7918 iotests_common_env="tests/qemu-iotests/common.env"
7919
7920 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7921 echo >> "$iotests_common_env"
7922 echo "export PYTHON='$python'" >> "$iotests_common_env"
7923
7924 # Save the configure command line for later reuse.
7925 cat <<EOD >config.status
7926 #!/bin/sh
7927 # Generated by configure.
7928 # Run this file to recreate the current configuration.
7929 # Compiler output produced by configure, useful for debugging
7930 # configure, is in config.log if it exists.
7931 EOD
7932
7933 preserve_env() {
7934     envname=$1
7935
7936     eval envval=\$$envname
7937
7938     if test -n "$envval"
7939     then
7940         echo "$envname='$envval'" >> config.status
7941         echo "export $envname" >> config.status
7942     else
7943         echo "unset $envname" >> config.status
7944     fi
7945 }
7946
7947 # Preserve various env variables that influence what
7948 # features/build target configure will detect
7949 preserve_env AR
7950 preserve_env AS
7951 preserve_env CC
7952 preserve_env CPP
7953 preserve_env CXX
7954 preserve_env INSTALL
7955 preserve_env LD
7956 preserve_env LD_LIBRARY_PATH
7957 preserve_env LIBTOOL
7958 preserve_env MAKE
7959 preserve_env NM
7960 preserve_env OBJCOPY
7961 preserve_env PATH
7962 preserve_env PKG_CONFIG
7963 preserve_env PKG_CONFIG_LIBDIR
7964 preserve_env PKG_CONFIG_PATH
7965 preserve_env PYTHON
7966 preserve_env SDL_CONFIG
7967 preserve_env SDL2_CONFIG
7968 preserve_env SMBD
7969 preserve_env STRIP
7970 preserve_env WINDRES
7971
7972 printf "exec" >>config.status
7973 printf " '%s'" "$0" "$@" >>config.status
7974 echo ' "$@"' >>config.status
7975 chmod +x config.status
7976
7977 rm -r "$TMPDIR1"