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}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$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 ".$1" >/dev/null 2>&1
 277 }
 278
 279 # make source path absolute
 280 source_path=$(cd "$(dirname -- "$0")"; pwd)
 281
 282 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 283 then
 284   error_exit "main directory cannot contain spaces nor colons"
 285 fi
 286
 287 # default parameters
 288 cpu=""
 289 iasl="iasl"
 290 interp_prefix="/usr/gnemul/qemu-%M"
 291 static="no"
 292 cross_prefix=""
 293 audio_drv_list=""
 294 block_drv_rw_whitelist=""
 295 block_drv_ro_whitelist=""
 296 host_cc="cc"
 297 libs_cpu=""
 298 libs_softmmu=""
 299 libs_tools=""
 300 audio_win_int=""
 301 libs_qga=""
 302 debug_info="yes"
 303 stack_protector=""
 304
 305 if test -e "$source_path/.git"
 306 then
 307     git_update=yes
 308     git_submodules="ui/keycodemapdb"
 309     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 310     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 311 else
 312     git_update=no
 313     git_submodules=""
 314
 315     if ! test -f "$source_path/ui/keycodemapdb/README"
 316     then
 317         echo
 318         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 319         echo
 320         echo "This is not a GIT checkout but module content appears to"
 321         echo "be missing. Do not use 'git archive' or GitHub download links"
 322         echo "to acquire QEMU source archives. Non-GIT builds are only"
 323         echo "supported with source archives linked from:"
 324         echo
 325         echo "  https://www.qemu.org/download/#source"
 326         echo
 327         echo "Developers working with GIT can use scripts/archive-source.sh"
 328         echo "if they need to create valid source archives."
 329         echo
 330         exit 1
 331     fi
 332 fi
 333 git="git"
 334
 335 # Don't accept a target_list environment variable.
 336 unset target_list
 337 unset target_list_exclude
 338
 339 # Default value for a variable defining feature "foo".
 340 #  * foo="no"  feature will only be used if --enable-foo arg is given
 341 #  * foo=""    feature will be searched for, and if found, will be used
 342 #              unless --disable-foo is given
 343 #  * foo="yes" this value will only be set by --enable-foo flag.
 344 #              feature will searched for,
 345 #              if not found, configure exits with error
 346 #
 347 # Always add --enable-foo and --disable-foo command line args.
 348 # Distributions want to ensure that several features are compiled in, and it
 349 # is impossible without a --enable-foo that exits if a feature is not found.
 350
 351 bluez=""
 352 brlapi=""
 353 curl=""
 354 curses=""
 355 docs=""
 356 fdt=""
 357 netmap="no"
 358 sdl=""
 359 sdl_image=""
 360 virtfs=""
 361 mpath=""
 362 vnc="yes"
 363 sparse="no"
 364 vde=""
 365 vnc_sasl=""
 366 vnc_jpeg=""
 367 vnc_png=""
 368 xkbcommon=""
 369 xen=""
 370 xen_ctrl_version=""
 371 xen_pci_passthrough=""
 372 linux_aio=""
 373 cap_ng=""
 374 attr=""
 375 libattr=""
 376 xfs=""
 377 tcg="yes"
 378 membarrier=""
 379 vhost_net=""
 380 vhost_crypto=""
 381 vhost_scsi=""
 382 vhost_vsock=""
 383 vhost_user=""
 384 vhost_user_fs=""
 385 kvm="no"
 386 hax="no"
 387 hvf="no"
 388 whpx="no"
 389 rdma=""
 390 pvrdma=""
 391 gprof="no"
 392 debug_tcg="no"
 393 debug="no"
 394 sanitizers="no"
 395 fortify_source=""
 396 strip_opt="yes"
 397 tcg_interpreter="no"
 398 bigendian="no"
 399 mingw32="no"
 400 gcov="no"
 401 gcov_tool="gcov"
 402 EXESUF=""
 403 DSOSUF=".so"
 404 LDFLAGS_SHARED="-shared"
 405 modules="no"
 406 prefix="/usr/local"
 407 mandir="\${prefix}/share/man"
 408 datadir="\${prefix}/share"
 409 firmwarepath="\${prefix}/share/qemu-firmware"
 410 qemu_docdir="\${prefix}/share/doc/qemu"
 411 bindir="\${prefix}/bin"
 412 libdir="\${prefix}/lib"
 413 libexecdir="\${prefix}/libexec"
 414 includedir="\${prefix}/include"
 415 sysconfdir="\${prefix}/etc"
 416 local_statedir="\${prefix}/var"
 417 confsuffix="/qemu"
 418 slirp=""
 419 oss_lib=""
 420 bsd="no"
 421 linux="no"
 422 solaris="no"
 423 profiler="no"
 424 cocoa="no"
 425 softmmu="yes"
 426 linux_user="no"
 427 bsd_user="no"
 428 blobs="yes"
 429 pkgversion=""
 430 pie=""
 431 qom_cast_debug="yes"
 432 trace_backends="log"
 433 trace_file="trace"
 434 spice=""
 435 rbd=""
 436 smartcard=""
 437 libusb=""
 438 usb_redir=""
 439 opengl=""
 440 opengl_dmabuf="no"
 441 cpuid_h="no"
 442 avx2_opt=""
 443 zlib="yes"
 444 capstone=""
 445 lzo=""
 446 snappy=""
 447 bzip2=""
 448 lzfse=""
 449 guest_agent=""
 450 guest_agent_with_vss="no"
 451 guest_agent_ntddscsi="no"
 452 guest_agent_msi=""
 453 vss_win32_sdk=""
 454 win_sdk="no"
 455 want_tools="yes"
 456 libiscsi=""
 457 libnfs=""
 458 coroutine=""
 459 coroutine_pool=""
 460 debug_stack_usage="no"
 461 crypto_afalg="no"
 462 seccomp=""
 463 glusterfs=""
 464 glusterfs_xlator_opt="no"
 465 glusterfs_discard="no"
 466 glusterfs_fallocate="no"
 467 glusterfs_zerofill="no"
 468 glusterfs_ftruncate_has_stat="no"
 469 glusterfs_iocb_has_stat="no"
 470 gtk=""
 471 gtk_gl="no"
 472 tls_priority="NORMAL"
 473 gnutls=""
 474 nettle=""
 475 nettle_xts="no"
 476 gcrypt=""
 477 gcrypt_hmac="no"
 478 gcrypt_xts="no"
 479 qemu_private_xts="yes"
 480 auth_pam=""
 481 vte=""
 482 virglrenderer=""
 483 tpm=""
 484 libssh=""
 485 live_block_migration="yes"
 486 numa=""
 487 tcmalloc="no"
 488 jemalloc="no"
 489 replication="yes"
 490 vxhs=""
 491 bochs="yes"
 492 cloop="yes"
 493 dmg="yes"
 494 qcow1="yes"
 495 vdi="yes"
 496 vvfat="yes"
 497 qed="yes"
 498 parallels="yes"
 499 sheepdog="yes"
 500 libxml2=""
 501 debug_mutex="no"
 502 libpmem=""
 503 default_devices="yes"
 504
 505 supported_cpu="no"
 506 supported_os="no"
 507 bogus_os="no"
 508 malloc_trim=""
 509
 510 # parse CC options first
 511 for opt do
 512   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 513   case "$opt" in
 514   --cross-prefix=*) cross_prefix="$optarg"
 515   ;;
 516   --cc=*) CC="$optarg"
 517   ;;
 518   --cxx=*) CXX="$optarg"
 519   ;;
 520   --cpu=*) cpu="$optarg"
 521   ;;
 522   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 523   ;;
 524   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 525   ;;
 526   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 527                      EXTRA_LDFLAGS="$optarg"
 528   ;;
 529   --enable-debug-info) debug_info="yes"
 530   ;;
 531   --disable-debug-info) debug_info="no"
 532   ;;
 533   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 534   ;;
 535   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 536                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 537                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 538   ;;
 539   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 540                 cc_archs="$cc_archs $cc_arch"
 541                 eval "cross_cc_${cc_arch}=\$optarg"
 542                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 543   ;;
 544   esac
 545 done
 546 # OS specific
 547 # Using uname is really, really broken.  Once we have the right set of checks
 548 # we can eliminate its usage altogether.
 549
 550 # Preferred compiler:
 551 #  ${CC} (if set)
 552 #  ${cross_prefix}gcc (if cross-prefix specified)
 553 #  system compiler
 554 if test -z "${CC}${cross_prefix}"; then
 555   cc="$host_cc"
 556 else
 557   cc="${CC-${cross_prefix}gcc}"
 558 fi
 559
 560 if test -z "${CXX}${cross_prefix}"; then
 561   cxx="c++"
 562 else
 563   cxx="${CXX-${cross_prefix}g++}"
 564 fi
 565
 566 ar="${AR-${cross_prefix}ar}"
 567 as="${AS-${cross_prefix}as}"
 568 ccas="${CCAS-$cc}"
 569 cpp="${CPP-$cc -E}"
 570 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 571 ld="${LD-${cross_prefix}ld}"
 572 ranlib="${RANLIB-${cross_prefix}ranlib}"
 573 nm="${NM-${cross_prefix}nm}"
 574 strip="${STRIP-${cross_prefix}strip}"
 575 windres="${WINDRES-${cross_prefix}windres}"
 576 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 577 query_pkg_config() {
 578     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 579 }
 580 pkg_config=query_pkg_config
 581 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 582
 583 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 584 ARFLAGS="${ARFLAGS-rv}"
 585
 586 # default flags for all hosts
 587 # We use -fwrapv to tell the compiler that we require a C dialect where
 588 # left shift of signed integers is well defined and has the expected
 589 # 2s-complement style results. (Both clang and gcc agree that it
 590 # provides these semantics.)
 591 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 592 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 593 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 594 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 595 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 596 if test "$debug_info" = "yes"; then
 597     CFLAGS="-g $CFLAGS"
 598     LDFLAGS="-g $LDFLAGS"
 599 fi
 600
 601 # running configure in the source tree?
 602 # we know that's the case if configure is there.
 603 if test -f "./configure"; then
 604     pwd_is_source_path="y"
 605 else
 606     pwd_is_source_path="n"
 607 fi
 608
 609 check_define() {
 610 cat > $TMPC <<EOF
 611 #if !defined($1)
 612 #error $1 not defined
 613 #endif
 614 int main(void) { return 0; }
 615 EOF
 616   compile_object
 617 }
 618
 619 check_include() {
 620 cat > $TMPC <<EOF
 621 #include <$1>
 622 int main(void) { return 0; }
 623 EOF
 624   compile_object
 625 }
 626
 627 write_c_skeleton() {
 628     cat > $TMPC <<EOF
 629 int main(void) { return 0; }
 630 EOF
 631 }
 632
 633 if check_define __linux__ ; then
 634   targetos="Linux"
 635 elif check_define _WIN32 ; then
 636   targetos='MINGW32'
 637 elif check_define __OpenBSD__ ; then
 638   targetos='OpenBSD'
 639 elif check_define __sun__ ; then
 640   targetos='SunOS'
 641 elif check_define __HAIKU__ ; then
 642   targetos='Haiku'
 643 elif check_define __FreeBSD__ ; then
 644   targetos='FreeBSD'
 645 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 646   targetos='GNU/kFreeBSD'
 647 elif check_define __DragonFly__ ; then
 648   targetos='DragonFly'
 649 elif check_define __NetBSD__; then
 650   targetos='NetBSD'
 651 elif check_define __APPLE__; then
 652   targetos='Darwin'
 653 else
 654   # This is a fatal error, but don't report it yet, because we
 655   # might be going to just print the --help text, or it might
 656   # be the result of a missing compiler.
 657   targetos='bogus'
 658   bogus_os='yes'
 659 fi
 660
 661 # Some host OSes need non-standard checks for which CPU to use.
 662 # Note that these checks are broken for cross-compilation: if you're
 663 # cross-compiling to one of these OSes then you'll need to specify
 664 # the correct CPU with the --cpu option.
 665 case $targetos in
 666 Darwin)
 667   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 668   # run 64-bit userspace code.
 669   # If the user didn't specify a CPU explicitly and the kernel says this is
 670   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 671   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 672     cpu="x86_64"
 673   fi
 674   ;;
 675 SunOS)
 676   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 677   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 678     cpu="x86_64"
 679   fi
 680 esac
 681
 682 if test ! -z "$cpu" ; then
 683   # command line argument
 684   :
 685 elif check_define __i386__ ; then
 686   cpu="i386"
 687 elif check_define __x86_64__ ; then
 688   if check_define __ILP32__ ; then
 689     cpu="x32"
 690   else
 691     cpu="x86_64"
 692   fi
 693 elif check_define __sparc__ ; then
 694   if check_define __arch64__ ; then
 695     cpu="sparc64"
 696   else
 697     cpu="sparc"
 698   fi
 699 elif check_define _ARCH_PPC ; then
 700   if check_define _ARCH_PPC64 ; then
 701     if check_define _LITTLE_ENDIAN ; then
 702       cpu="ppc64le"
 703     else
 704       cpu="ppc64"
 705     fi
 706   else
 707     cpu="ppc"
 708   fi
 709 elif check_define __mips__ ; then
 710   cpu="mips"
 711 elif check_define __s390__ ; then
 712   if check_define __s390x__ ; then
 713     cpu="s390x"
 714   else
 715     cpu="s390"
 716   fi
 717 elif check_define __riscv ; then
 718   if check_define _LP64 ; then
 719     cpu="riscv64"
 720   else
 721     cpu="riscv32"
 722   fi
 723 elif check_define __arm__ ; then
 724   cpu="arm"
 725 elif check_define __aarch64__ ; then
 726   cpu="aarch64"
 727 else
 728   cpu=$(uname -m)
 729 fi
 730
 731 ARCH=
 732 # Normalise host CPU name and set ARCH.
 733 # Note that this case should only have supported host CPUs, not guests.
 734 case "$cpu" in
 735   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 736     supported_cpu="yes"
 737   ;;
 738   ppc64le)
 739     ARCH="ppc64"
 740     supported_cpu="yes"
 741   ;;
 742   i386|i486|i586|i686|i86pc|BePC)
 743     cpu="i386"
 744     supported_cpu="yes"
 745   ;;
 746   x86_64|amd64)
 747     cpu="x86_64"
 748     supported_cpu="yes"
 749   ;;
 750   armv*b|armv*l|arm)
 751     cpu="arm"
 752     supported_cpu="yes"
 753   ;;
 754   aarch64)
 755     cpu="aarch64"
 756     supported_cpu="yes"
 757   ;;
 758   mips*)
 759     cpu="mips"
 760     supported_cpu="yes"
 761   ;;
 762   sparc|sun4[cdmuv])
 763     cpu="sparc"
 764     supported_cpu="yes"
 765   ;;
 766   *)
 767     # This will result in either an error or falling back to TCI later
 768     ARCH=unknown
 769   ;;
 770 esac
 771 if test -z "$ARCH"; then
 772   ARCH="$cpu"
 773 fi
 774
 775 # OS specific
 776
 777 # host *BSD for user mode
 778 HOST_VARIANT_DIR=""
 779
 780 case $targetos in
 781 MINGW32*)
 782   mingw32="yes"
 783   hax="yes"
 784   vhost_user="no"
 785   audio_possible_drivers="dsound sdl"
 786   if check_include dsound.h; then
 787     audio_drv_list="dsound"
 788   else
 789     audio_drv_list=""
 790   fi
 791   supported_os="yes"
 792 ;;
 793 GNU/kFreeBSD)
 794   bsd="yes"
 795   audio_drv_list="oss try-sdl"
 796   audio_possible_drivers="oss sdl pa"
 797 ;;
 798 FreeBSD)
 799   bsd="yes"
 800   make="${MAKE-gmake}"
 801   audio_drv_list="oss try-sdl"
 802   audio_possible_drivers="oss sdl pa"
 803   # needed for kinfo_getvmmap(3) in libutil.h
 804   LIBS="-lutil $LIBS"
 805   # needed for kinfo_getproc
 806   libs_qga="-lutil $libs_qga"
 807   netmap=""  # enable netmap autodetect
 808   HOST_VARIANT_DIR="freebsd"
 809   supported_os="yes"
 810 ;;
 811 DragonFly)
 812   bsd="yes"
 813   make="${MAKE-gmake}"
 814   audio_drv_list="oss try-sdl"
 815   audio_possible_drivers="oss sdl pa"
 816   HOST_VARIANT_DIR="dragonfly"
 817 ;;
 818 NetBSD)
 819   bsd="yes"
 820   hax="yes"
 821   make="${MAKE-gmake}"
 822   audio_drv_list="oss try-sdl"
 823   audio_possible_drivers="oss sdl"
 824   oss_lib="-lossaudio"
 825   HOST_VARIANT_DIR="netbsd"
 826   supported_os="yes"
 827 ;;
 828 OpenBSD)
 829   bsd="yes"
 830   make="${MAKE-gmake}"
 831   audio_drv_list="try-sdl"
 832   audio_possible_drivers="sdl"
 833   HOST_VARIANT_DIR="openbsd"
 834   supported_os="yes"
 835 ;;
 836 Darwin)
 837   bsd="yes"
 838   darwin="yes"
 839   hax="yes"
 840   hvf="yes"
 841   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 842   if [ "$cpu" = "x86_64" ] ; then
 843     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 844     LDFLAGS="-arch x86_64 $LDFLAGS"
 845   fi
 846   cocoa="yes"
 847   audio_drv_list="coreaudio try-sdl"
 848   audio_possible_drivers="coreaudio sdl"
 849   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 850   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 851   # Disable attempts to use ObjectiveC features in os/object.h since they
 852   # won't work when we're compiling with gcc as a C compiler.
 853   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 854   HOST_VARIANT_DIR="darwin"
 855   supported_os="yes"
 856 ;;
 857 SunOS)
 858   solaris="yes"
 859   make="${MAKE-gmake}"
 860   install="${INSTALL-ginstall}"
 861   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 862   if test -f /usr/include/sys/soundcard.h ; then
 863     audio_drv_list="oss try-sdl"
 864   fi
 865   audio_possible_drivers="oss sdl"
 866 # needed for CMSG_ macros in sys/socket.h
 867   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 868 # needed for TIOCWIN* defines in termios.h
 869   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 870   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 871   solarisnetlibs="-lsocket -lnsl -lresolv"
 872   LIBS="$solarisnetlibs $LIBS"
 873   libs_qga="$solarisnetlibs $libs_qga"
 874 ;;
 875 Haiku)
 876   haiku="yes"
 877   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 878   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 879 ;;
 880 Linux)
 881   audio_drv_list="try-pa oss"
 882   audio_possible_drivers="oss alsa sdl pa"
 883   linux="yes"
 884   linux_user="yes"
 885   kvm="yes"
 886   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 887   supported_os="yes"
 888   libudev="yes"
 889 ;;
 890 esac
 891
 892 if [ "$bsd" = "yes" ] ; then
 893   if [ "$darwin" != "yes" ] ; then
 894     bsd_user="yes"
 895   fi
 896 fi
 897
 898 : ${make=${MAKE-make}}
 899 : ${install=${INSTALL-install}}
 900 # We prefer python 3.x. A bare 'python' is traditionally
 901 # python 2.x, but some distros have it as python 3.x, so
 902 # we check that before python2
 903 python=
 904 for binary in "${PYTHON-python3}" python python2
 905 do
 906     if has "$binary"
 907     then
 908         python="$binary"
 909         break
 910     fi
 911 done
 912 : ${smbd=${SMBD-/usr/sbin/smbd}}
 913
 914 # Default objcc to clang if available, otherwise use CC
 915 if has clang; then
 916   objcc=clang
 917 else
 918   objcc="$cc"
 919 fi
 920
 921 if test "$mingw32" = "yes" ; then
 922   EXESUF=".exe"
 923   DSOSUF=".dll"
 924   # MinGW needs -mthreads for TLS and macro _MT.
 925   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 926   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 927   write_c_skeleton;
 928   if compile_prog "" "-liberty" ; then
 929     LIBS="-liberty $LIBS"
 930   fi
 931   prefix="c:/Program Files/QEMU"
 932   mandir="\${prefix}"
 933   datadir="\${prefix}"
 934   qemu_docdir="\${prefix}"
 935   bindir="\${prefix}"
 936   sysconfdir="\${prefix}"
 937   local_statedir=
 938   confsuffix=""
 939   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 940 fi
 941
 942 werror=""
 943
 944 for opt do
 945   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 946   case "$opt" in
 947   --help|-h) show_help=yes
 948   ;;
 949   --version|-V) exec cat $source_path/VERSION
 950   ;;
 951   --prefix=*) prefix="$optarg"
 952   ;;
 953   --interp-prefix=*) interp_prefix="$optarg"
 954   ;;
 955   --cross-prefix=*)
 956   ;;
 957   --cc=*)
 958   ;;
 959   --host-cc=*) host_cc="$optarg"
 960   ;;
 961   --cxx=*)
 962   ;;
 963   --iasl=*) iasl="$optarg"
 964   ;;
 965   --objcc=*) objcc="$optarg"
 966   ;;
 967   --make=*) make="$optarg"
 968   ;;
 969   --install=*) install="$optarg"
 970   ;;
 971   --python=*) python="$optarg"
 972   ;;
 973   --gcov=*) gcov_tool="$optarg"
 974   ;;
 975   --smbd=*) smbd="$optarg"
 976   ;;
 977   --extra-cflags=*)
 978   ;;
 979   --extra-cxxflags=*)
 980   ;;
 981   --extra-ldflags=*)
 982   ;;
 983   --enable-debug-info)
 984   ;;
 985   --disable-debug-info)
 986   ;;
 987   --cross-cc-*)
 988   ;;
 989   --enable-modules)
 990       modules="yes"
 991   ;;
 992   --disable-modules)
 993       modules="no"
 994   ;;
 995   --cpu=*)
 996   ;;
 997   --target-list=*) target_list="$optarg"
 998                    if test "$target_list_exclude"; then
 999                        error_exit "Can't mix --target-list with --target-list-exclude"
1000                    fi
1001   ;;
1002   --target-list-exclude=*) target_list_exclude="$optarg"
1003                    if test "$target_list"; then
1004                        error_exit "Can't mix --target-list-exclude with --target-list"
1005                    fi
1006   ;;
1007   --enable-trace-backends=*) trace_backends="$optarg"
1008   ;;
1009   # XXX: backwards compatibility
1010   --enable-trace-backend=*) trace_backends="$optarg"
1011   ;;
1012   --with-trace-file=*) trace_file="$optarg"
1013   ;;
1014   --with-default-devices) default_devices="yes"
1015   ;;
1016   --without-default-devices) default_devices="no"
1017   ;;
1018   --enable-gprof) gprof="yes"
1019   ;;
1020   --enable-gcov) gcov="yes"
1021   ;;
1022   --static)
1023     static="yes"
1024     LDFLAGS="-static $LDFLAGS"
1025     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1026   ;;
1027   --mandir=*) mandir="$optarg"
1028   ;;
1029   --bindir=*) bindir="$optarg"
1030   ;;
1031   --libdir=*) libdir="$optarg"
1032   ;;
1033   --libexecdir=*) libexecdir="$optarg"
1034   ;;
1035   --includedir=*) includedir="$optarg"
1036   ;;
1037   --datadir=*) datadir="$optarg"
1038   ;;
1039   --with-confsuffix=*) confsuffix="$optarg"
1040   ;;
1041   --docdir=*) qemu_docdir="$optarg"
1042   ;;
1043   --sysconfdir=*) sysconfdir="$optarg"
1044   ;;
1045   --localstatedir=*) local_statedir="$optarg"
1046   ;;
1047   --firmwarepath=*) firmwarepath="$optarg"
1048   ;;
1049   --host=*|--build=*|\
1050   --disable-dependency-tracking|\
1051   --sbindir=*|--sharedstatedir=*|\
1052   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1053   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1054     # These switches are silently ignored, for compatibility with
1055     # autoconf-generated configure scripts. This allows QEMU's
1056     # configure to be used by RPM and similar macros that set
1057     # lots of directory switches by default.
1058   ;;
1059   --disable-sdl) sdl="no"
1060   ;;
1061   --enable-sdl) sdl="yes"
1062   ;;
1063   --disable-sdl-image) sdl_image="no"
1064   ;;
1065   --enable-sdl-image) sdl_image="yes"
1066   ;;
1067   --disable-qom-cast-debug) qom_cast_debug="no"
1068   ;;
1069   --enable-qom-cast-debug) qom_cast_debug="yes"
1070   ;;
1071   --disable-virtfs) virtfs="no"
1072   ;;
1073   --enable-virtfs) virtfs="yes"
1074   ;;
1075   --disable-mpath) mpath="no"
1076   ;;
1077   --enable-mpath) mpath="yes"
1078   ;;
1079   --disable-vnc) vnc="no"
1080   ;;
1081   --enable-vnc) vnc="yes"
1082   ;;
1083   --oss-lib=*) oss_lib="$optarg"
1084   ;;
1085   --audio-drv-list=*) audio_drv_list="$optarg"
1086   ;;
1087   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1088   ;;
1089   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1090   ;;
1091   --enable-debug-tcg) debug_tcg="yes"
1092   ;;
1093   --disable-debug-tcg) debug_tcg="no"
1094   ;;
1095   --enable-debug)
1096       # Enable debugging options that aren't excessively noisy
1097       debug_tcg="yes"
1098       debug_mutex="yes"
1099       debug="yes"
1100       strip_opt="no"
1101       fortify_source="no"
1102   ;;
1103   --enable-sanitizers) sanitizers="yes"
1104   ;;
1105   --disable-sanitizers) sanitizers="no"
1106   ;;
1107   --enable-sparse) sparse="yes"
1108   ;;
1109   --disable-sparse) sparse="no"
1110   ;;
1111   --disable-strip) strip_opt="no"
1112   ;;
1113   --disable-vnc-sasl) vnc_sasl="no"
1114   ;;
1115   --enable-vnc-sasl) vnc_sasl="yes"
1116   ;;
1117   --disable-vnc-jpeg) vnc_jpeg="no"
1118   ;;
1119   --enable-vnc-jpeg) vnc_jpeg="yes"
1120   ;;
1121   --disable-vnc-png) vnc_png="no"
1122   ;;
1123   --enable-vnc-png) vnc_png="yes"
1124   ;;
1125   --disable-slirp) slirp="no"
1126   ;;
1127   --enable-slirp=git) slirp="git"
1128   ;;
1129   --enable-slirp=system) slirp="system"
1130   ;;
1131   --disable-vde) vde="no"
1132   ;;
1133   --enable-vde) vde="yes"
1134   ;;
1135   --disable-netmap) netmap="no"
1136   ;;
1137   --enable-netmap) netmap="yes"
1138   ;;
1139   --disable-xen) xen="no"
1140   ;;
1141   --enable-xen) xen="yes"
1142   ;;
1143   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1144   ;;
1145   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1146   ;;
1147   --disable-brlapi) brlapi="no"
1148   ;;
1149   --enable-brlapi) brlapi="yes"
1150   ;;
1151   --disable-bluez) bluez="no"
1152   ;;
1153   --enable-bluez) bluez="yes"
1154   ;;
1155   --disable-kvm) kvm="no"
1156   ;;
1157   --enable-kvm) kvm="yes"
1158   ;;
1159   --disable-hax) hax="no"
1160   ;;
1161   --enable-hax) hax="yes"
1162   ;;
1163   --disable-hvf) hvf="no"
1164   ;;
1165   --enable-hvf) hvf="yes"
1166   ;;
1167   --disable-whpx) whpx="no"
1168   ;;
1169   --enable-whpx) whpx="yes"
1170   ;;
1171   --disable-tcg-interpreter) tcg_interpreter="no"
1172   ;;
1173   --enable-tcg-interpreter) tcg_interpreter="yes"
1174   ;;
1175   --disable-cap-ng)  cap_ng="no"
1176   ;;
1177   --enable-cap-ng) cap_ng="yes"
1178   ;;
1179   --disable-tcg) tcg="no"
1180   ;;
1181   --enable-tcg) tcg="yes"
1182   ;;
1183   --disable-malloc-trim) malloc_trim="no"
1184   ;;
1185   --enable-malloc-trim) malloc_trim="yes"
1186   ;;
1187   --disable-spice) spice="no"
1188   ;;
1189   --enable-spice) spice="yes"
1190   ;;
1191   --disable-libiscsi) libiscsi="no"
1192   ;;
1193   --enable-libiscsi) libiscsi="yes"
1194   ;;
1195   --disable-libnfs) libnfs="no"
1196   ;;
1197   --enable-libnfs) libnfs="yes"
1198   ;;
1199   --enable-profiler) profiler="yes"
1200   ;;
1201   --disable-cocoa) cocoa="no"
1202   ;;
1203   --enable-cocoa)
1204       cocoa="yes" ;
1205       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1206   ;;
1207   --disable-system) softmmu="no"
1208   ;;
1209   --enable-system) softmmu="yes"
1210   ;;
1211   --disable-user)
1212       linux_user="no" ;
1213       bsd_user="no" ;
1214   ;;
1215   --enable-user) ;;
1216   --disable-linux-user) linux_user="no"
1217   ;;
1218   --enable-linux-user) linux_user="yes"
1219   ;;
1220   --disable-bsd-user) bsd_user="no"
1221   ;;
1222   --enable-bsd-user) bsd_user="yes"
1223   ;;
1224   --enable-pie) pie="yes"
1225   ;;
1226   --disable-pie) pie="no"
1227   ;;
1228   --enable-werror) werror="yes"
1229   ;;
1230   --disable-werror) werror="no"
1231   ;;
1232   --enable-stack-protector) stack_protector="yes"
1233   ;;
1234   --disable-stack-protector) stack_protector="no"
1235   ;;
1236   --disable-curses) curses="no"
1237   ;;
1238   --enable-curses) curses="yes"
1239   ;;
1240   --disable-iconv) iconv="no"
1241   ;;
1242   --enable-iconv) iconv="yes"
1243   ;;
1244   --disable-curl) curl="no"
1245   ;;
1246   --enable-curl) curl="yes"
1247   ;;
1248   --disable-fdt) fdt="no"
1249   ;;
1250   --enable-fdt) fdt="yes"
1251   ;;
1252   --disable-linux-aio) linux_aio="no"
1253   ;;
1254   --enable-linux-aio) linux_aio="yes"
1255   ;;
1256   --disable-attr) attr="no"
1257   ;;
1258   --enable-attr) attr="yes"
1259   ;;
1260   --disable-membarrier) membarrier="no"
1261   ;;
1262   --enable-membarrier) membarrier="yes"
1263   ;;
1264   --disable-blobs) blobs="no"
1265   ;;
1266   --with-pkgversion=*) pkgversion="$optarg"
1267   ;;
1268   --with-coroutine=*) coroutine="$optarg"
1269   ;;
1270   --disable-coroutine-pool) coroutine_pool="no"
1271   ;;
1272   --enable-coroutine-pool) coroutine_pool="yes"
1273   ;;
1274   --enable-debug-stack-usage) debug_stack_usage="yes"
1275   ;;
1276   --enable-crypto-afalg) crypto_afalg="yes"
1277   ;;
1278   --disable-crypto-afalg) crypto_afalg="no"
1279   ;;
1280   --disable-docs) docs="no"
1281   ;;
1282   --enable-docs) docs="yes"
1283   ;;
1284   --disable-vhost-net) vhost_net="no"
1285   ;;
1286   --enable-vhost-net) vhost_net="yes"
1287   ;;
1288   --disable-vhost-crypto) vhost_crypto="no"
1289   ;;
1290   --enable-vhost-crypto) vhost_crypto="yes"
1291   ;;
1292   --disable-vhost-scsi) vhost_scsi="no"
1293   ;;
1294   --enable-vhost-scsi) vhost_scsi="yes"
1295   ;;
1296   --disable-vhost-vsock) vhost_vsock="no"
1297   ;;
1298   --enable-vhost-vsock) vhost_vsock="yes"
1299   ;;
1300   --disable-vhost-user-fs) vhost_user_fs="no"
1301   ;;
1302   --enable-vhost-user-fs) vhost_user_fs="yes"
1303   ;;
1304   --disable-opengl) opengl="no"
1305   ;;
1306   --enable-opengl) opengl="yes"
1307   ;;
1308   --disable-rbd) rbd="no"
1309   ;;
1310   --enable-rbd) rbd="yes"
1311   ;;
1312   --disable-xfsctl) xfs="no"
1313   ;;
1314   --enable-xfsctl) xfs="yes"
1315   ;;
1316   --disable-smartcard) smartcard="no"
1317   ;;
1318   --enable-smartcard) smartcard="yes"
1319   ;;
1320   --disable-libusb) libusb="no"
1321   ;;
1322   --enable-libusb) libusb="yes"
1323   ;;
1324   --disable-usb-redir) usb_redir="no"
1325   ;;
1326   --enable-usb-redir) usb_redir="yes"
1327   ;;
1328   --disable-zlib-test) zlib="no"
1329   ;;
1330   --disable-lzo) lzo="no"
1331   ;;
1332   --enable-lzo) lzo="yes"
1333   ;;
1334   --disable-snappy) snappy="no"
1335   ;;
1336   --enable-snappy) snappy="yes"
1337   ;;
1338   --disable-bzip2) bzip2="no"
1339   ;;
1340   --enable-bzip2) bzip2="yes"
1341   ;;
1342   --enable-lzfse) lzfse="yes"
1343   ;;
1344   --disable-lzfse) lzfse="no"
1345   ;;
1346   --enable-guest-agent) guest_agent="yes"
1347   ;;
1348   --disable-guest-agent) guest_agent="no"
1349   ;;
1350   --enable-guest-agent-msi) guest_agent_msi="yes"
1351   ;;
1352   --disable-guest-agent-msi) guest_agent_msi="no"
1353   ;;
1354   --with-vss-sdk) vss_win32_sdk=""
1355   ;;
1356   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1357   ;;
1358   --without-vss-sdk) vss_win32_sdk="no"
1359   ;;
1360   --with-win-sdk) win_sdk=""
1361   ;;
1362   --with-win-sdk=*) win_sdk="$optarg"
1363   ;;
1364   --without-win-sdk) win_sdk="no"
1365   ;;
1366   --enable-tools) want_tools="yes"
1367   ;;
1368   --disable-tools) want_tools="no"
1369   ;;
1370   --enable-seccomp) seccomp="yes"
1371   ;;
1372   --disable-seccomp) seccomp="no"
1373   ;;
1374   --disable-glusterfs) glusterfs="no"
1375   ;;
1376   --disable-avx2) avx2_opt="no"
1377   ;;
1378   --enable-avx2) avx2_opt="yes"
1379   ;;
1380   --enable-glusterfs) glusterfs="yes"
1381   ;;
1382   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1383       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1384   ;;
1385   --enable-vhdx|--disable-vhdx)
1386       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1387   ;;
1388   --enable-uuid|--disable-uuid)
1389       echo "$0: $opt is obsolete, UUID support is always built" >&2
1390   ;;
1391   --disable-gtk) gtk="no"
1392   ;;
1393   --enable-gtk) gtk="yes"
1394   ;;
1395   --tls-priority=*) tls_priority="$optarg"
1396   ;;
1397   --disable-gnutls) gnutls="no"
1398   ;;
1399   --enable-gnutls) gnutls="yes"
1400   ;;
1401   --disable-nettle) nettle="no"
1402   ;;
1403   --enable-nettle) nettle="yes"
1404   ;;
1405   --disable-gcrypt) gcrypt="no"
1406   ;;
1407   --enable-gcrypt) gcrypt="yes"
1408   ;;
1409   --disable-auth-pam) auth_pam="no"
1410   ;;
1411   --enable-auth-pam) auth_pam="yes"
1412   ;;
1413   --enable-rdma) rdma="yes"
1414   ;;
1415   --disable-rdma) rdma="no"
1416   ;;
1417   --enable-pvrdma) pvrdma="yes"
1418   ;;
1419   --disable-pvrdma) pvrdma="no"
1420   ;;
1421   --disable-vte) vte="no"
1422   ;;
1423   --enable-vte) vte="yes"
1424   ;;
1425   --disable-virglrenderer) virglrenderer="no"
1426   ;;
1427   --enable-virglrenderer) virglrenderer="yes"
1428   ;;
1429   --disable-tpm) tpm="no"
1430   ;;
1431   --enable-tpm) tpm="yes"
1432   ;;
1433   --disable-libssh) libssh="no"
1434   ;;
1435   --enable-libssh) libssh="yes"
1436   ;;
1437   --disable-live-block-migration) live_block_migration="no"
1438   ;;
1439   --enable-live-block-migration) live_block_migration="yes"
1440   ;;
1441   --disable-numa) numa="no"
1442   ;;
1443   --enable-numa) numa="yes"
1444   ;;
1445   --disable-libxml2) libxml2="no"
1446   ;;
1447   --enable-libxml2) libxml2="yes"
1448   ;;
1449   --disable-tcmalloc) tcmalloc="no"
1450   ;;
1451   --enable-tcmalloc) tcmalloc="yes"
1452   ;;
1453   --disable-jemalloc) jemalloc="no"
1454   ;;
1455   --enable-jemalloc) jemalloc="yes"
1456   ;;
1457   --disable-replication) replication="no"
1458   ;;
1459   --enable-replication) replication="yes"
1460   ;;
1461   --disable-vxhs) vxhs="no"
1462   ;;
1463   --enable-vxhs) vxhs="yes"
1464   ;;
1465   --disable-bochs) bochs="no"
1466   ;;
1467   --enable-bochs) bochs="yes"
1468   ;;
1469   --disable-cloop) cloop="no"
1470   ;;
1471   --enable-cloop) cloop="yes"
1472   ;;
1473   --disable-dmg) dmg="no"
1474   ;;
1475   --enable-dmg) dmg="yes"
1476   ;;
1477   --disable-qcow1) qcow1="no"
1478   ;;
1479   --enable-qcow1) qcow1="yes"
1480   ;;
1481   --disable-vdi) vdi="no"
1482   ;;
1483   --enable-vdi) vdi="yes"
1484   ;;
1485   --disable-vvfat) vvfat="no"
1486   ;;
1487   --enable-vvfat) vvfat="yes"
1488   ;;
1489   --disable-qed) qed="no"
1490   ;;
1491   --enable-qed) qed="yes"
1492   ;;
1493   --disable-parallels) parallels="no"
1494   ;;
1495   --enable-parallels) parallels="yes"
1496   ;;
1497   --disable-sheepdog) sheepdog="no"
1498   ;;
1499   --enable-sheepdog) sheepdog="yes"
1500   ;;
1501   --disable-vhost-user) vhost_user="no"
1502   ;;
1503   --enable-vhost-user) vhost_user="yes"
1504   ;;
1505   --disable-vhost-kernel) vhost_kernel="no"
1506   ;;
1507   --enable-vhost-kernel) vhost_kernel="yes"
1508   ;;
1509   --disable-capstone) capstone="no"
1510   ;;
1511   --enable-capstone) capstone="yes"
1512   ;;
1513   --enable-capstone=git) capstone="git"
1514   ;;
1515   --enable-capstone=system) capstone="system"
1516   ;;
1517   --with-git=*) git="$optarg"
1518   ;;
1519   --enable-git-update) git_update=yes
1520   ;;
1521   --disable-git-update) git_update=no
1522   ;;
1523   --enable-debug-mutex) debug_mutex=yes
1524   ;;
1525   --disable-debug-mutex) debug_mutex=no
1526   ;;
1527   --enable-libpmem) libpmem=yes
1528   ;;
1529   --disable-libpmem) libpmem=no
1530   ;;
1531   --enable-xkbcommon) xkbcommon=yes
1532   ;;
1533   --disable-xkbcommon) xkbcommon=no
1534   ;;
1535   *)
1536       echo "ERROR: unknown option $opt"
1537       echo "Try '$0 --help' for more information"
1538       exit 1
1539   ;;
1540   esac
1541 done
1542
1543 case "$cpu" in
1544     ppc)
1545            CPU_CFLAGS="-m32"
1546            LDFLAGS="-m32 $LDFLAGS"
1547            ;;
1548     ppc64)
1549            CPU_CFLAGS="-m64"
1550            LDFLAGS="-m64 $LDFLAGS"
1551            ;;
1552     sparc)
1553            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1554            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1555            ;;
1556     sparc64)
1557            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1558            LDFLAGS="-m64 $LDFLAGS"
1559            ;;
1560     s390)
1561            CPU_CFLAGS="-m31"
1562            LDFLAGS="-m31 $LDFLAGS"
1563            ;;
1564     s390x)
1565            CPU_CFLAGS="-m64"
1566            LDFLAGS="-m64 $LDFLAGS"
1567            ;;
1568     i386)
1569            CPU_CFLAGS="-m32"
1570            LDFLAGS="-m32 $LDFLAGS"
1571            ;;
1572     x86_64)
1573            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1574            # If we truly care, we should simply detect this case at
1575            # runtime and generate the fallback to serial emulation.
1576            CPU_CFLAGS="-m64 -mcx16"
1577            LDFLAGS="-m64 $LDFLAGS"
1578            ;;
1579     x32)
1580            CPU_CFLAGS="-mx32"
1581            LDFLAGS="-mx32 $LDFLAGS"
1582            ;;
1583     # No special flags required for other host CPUs
1584 esac
1585
1586 eval "cross_cc_${cpu}=\$host_cc"
1587 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1588 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1589
1590 # For user-mode emulation the host arch has to be one we explicitly
1591 # support, even if we're using TCI.
1592 if [ "$ARCH" = "unknown" ]; then
1593   bsd_user="no"
1594   linux_user="no"
1595 fi
1596
1597 default_target_list=""
1598
1599 mak_wilds=""
1600
1601 if [ "$softmmu" = "yes" ]; then
1602     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1603 fi
1604 if [ "$linux_user" = "yes" ]; then
1605     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1606 fi
1607 if [ "$bsd_user" = "yes" ]; then
1608     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1609 fi
1610
1611 if test -z "$target_list_exclude"; then
1612     for config in $mak_wilds; do
1613         default_target_list="${default_target_list} $(basename "$config" .mak)"
1614     done
1615 else
1616     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1617     for config in $mak_wilds; do
1618         target="$(basename "$config" .mak)"
1619         exclude="no"
1620         for excl in $exclude_list; do
1621             if test "$excl" = "$target"; then
1622                 exclude="yes"
1623                 break;
1624             fi
1625         done
1626         if test "$exclude" = "no"; then
1627             default_target_list="${default_target_list} $target"
1628         fi
1629     done
1630 fi
1631
1632 # Enumerate public trace backends for --help output
1633 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1634
1635 if test x"$show_help" = x"yes" ; then
1636 cat << EOF
1637
1638 Usage: configure [options]
1639 Options: [defaults in brackets after descriptions]
1640
1641 Standard options:
1642   --help                   print this message
1643   --prefix=PREFIX          install in PREFIX [$prefix]
1644   --interp-prefix=PREFIX   where to find shared libraries, etc.
1645                            use %M for cpu name [$interp_prefix]
1646   --target-list=LIST       set target list (default: build everything)
1647 $(echo Available targets: $default_target_list | \
1648   fold -s -w 53 | sed -e 's/^/                           /')
1649   --target-list-exclude=LIST exclude a set of targets from the default target-list
1650
1651 Advanced options (experts only):
1652   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1653   --cc=CC                  use C compiler CC [$cc]
1654   --iasl=IASL              use ACPI compiler IASL [$iasl]
1655   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1656                            build time
1657   --cxx=CXX                use C++ compiler CXX [$cxx]
1658   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1659   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1660   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1661   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1662   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1663   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1664   --make=MAKE              use specified make [$make]
1665   --install=INSTALL        use specified install [$install]
1666   --python=PYTHON          use specified python [$python]
1667   --smbd=SMBD              use specified smbd [$smbd]
1668   --with-git=GIT           use specified git [$git]
1669   --static                 enable static build [$static]
1670   --mandir=PATH            install man pages in PATH
1671   --datadir=PATH           install firmware in PATH$confsuffix
1672   --docdir=PATH            install documentation in PATH$confsuffix
1673   --bindir=PATH            install binaries in PATH
1674   --libdir=PATH            install libraries in PATH
1675   --libexecdir=PATH        install helper binaries in PATH
1676   --sysconfdir=PATH        install config in PATH$confsuffix
1677   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1678   --firmwarepath=PATH      search PATH for firmware files
1679   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1680   --with-pkgversion=VERS   use specified string as sub-version of the package
1681   --enable-debug           enable common debug build options
1682   --enable-sanitizers      enable default sanitizers
1683   --disable-strip          disable stripping binaries
1684   --disable-werror         disable compilation abort on warning
1685   --disable-stack-protector disable compiler-provided stack protection
1686   --audio-drv-list=LIST    set audio drivers list:
1687                            Available drivers: $audio_possible_drivers
1688   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1689   --block-drv-rw-whitelist=L
1690                            set block driver read-write whitelist
1691                            (affects only QEMU, not qemu-img)
1692   --block-drv-ro-whitelist=L
1693                            set block driver read-only whitelist
1694                            (affects only QEMU, not qemu-img)
1695   --enable-trace-backends=B Set trace backend
1696                            Available backends: $trace_backend_list
1697   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1698                            Default:trace-<pid>
1699   --disable-slirp          disable SLIRP userspace network connectivity
1700   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1701   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1702   --oss-lib                path to OSS library
1703   --cpu=CPU                Build for host CPU [$cpu]
1704   --with-coroutine=BACKEND coroutine backend. Supported options:
1705                            ucontext, sigaltstack, windows
1706   --enable-gcov            enable test coverage analysis with gcov
1707   --gcov=GCOV              use specified gcov [$gcov_tool]
1708   --disable-blobs          disable installing provided firmware blobs
1709   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1710   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1711   --tls-priority           default TLS protocol/cipher priority string
1712   --enable-gprof           QEMU profiling with gprof
1713   --enable-profiler        profiler support
1714   --enable-debug-stack-usage
1715                            track the maximum stack usage of stacks created by qemu_alloc_stack
1716
1717 Optional features, enabled with --enable-FEATURE and
1718 disabled with --disable-FEATURE, default is enabled if available:
1719
1720   system          all system emulation targets
1721   user            supported user emulation targets
1722   linux-user      all linux usermode emulation targets
1723   bsd-user        all BSD usermode emulation targets
1724   docs            build documentation
1725   guest-agent     build the QEMU Guest Agent
1726   guest-agent-msi build guest agent Windows MSI installation package
1727   pie             Position Independent Executables
1728   modules         modules support (non-Windows)
1729   debug-tcg       TCG debugging (default is disabled)
1730   debug-info      debugging information
1731   sparse          sparse checker
1732
1733   gnutls          GNUTLS cryptography support
1734   nettle          nettle cryptography support
1735   gcrypt          libgcrypt cryptography support
1736   auth-pam        PAM access control
1737   sdl             SDL UI
1738   sdl-image       SDL Image support for icons
1739   gtk             gtk UI
1740   vte             vte support for the gtk UI
1741   curses          curses UI
1742   iconv           font glyph conversion support
1743   vnc             VNC UI support
1744   vnc-sasl        SASL encryption for VNC server
1745   vnc-jpeg        JPEG lossy compression for VNC server
1746   vnc-png         PNG compression for VNC server
1747   cocoa           Cocoa UI (Mac OS X only)
1748   virtfs          VirtFS
1749   mpath           Multipath persistent reservation passthrough
1750   xen             xen backend driver support
1751   xen-pci-passthrough    PCI passthrough support for Xen
1752   brlapi          BrlAPI (Braile)
1753   curl            curl connectivity
1754   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1755   fdt             fdt device tree
1756   bluez           bluez stack connectivity
1757   kvm             KVM acceleration support
1758   hax             HAX acceleration support
1759   hvf             Hypervisor.framework acceleration support
1760   whpx            Windows Hypervisor Platform acceleration support
1761   rdma            Enable RDMA-based migration
1762   pvrdma          Enable PVRDMA support
1763   vde             support for vde network
1764   netmap          support for netmap network
1765   linux-aio       Linux AIO support
1766   cap-ng          libcap-ng support
1767   attr            attr and xattr support
1768   vhost-net       vhost-net kernel acceleration support
1769   vhost-vsock     virtio sockets device support
1770   vhost-scsi      vhost-scsi kernel target support
1771   vhost-crypto    vhost-user-crypto backend support
1772   vhost-kernel    vhost kernel backend support
1773   vhost-user      vhost-user backend support
1774   spice           spice
1775   rbd             rados block device (rbd)
1776   libiscsi        iscsi support
1777   libnfs          nfs support
1778   smartcard       smartcard support (libcacard)
1779   libusb          libusb (for usb passthrough)
1780   live-block-migration   Block migration in the main migration stream
1781   usb-redir       usb network redirection support
1782   lzo             support of lzo compression library
1783   snappy          support of snappy compression library
1784   bzip2           support of bzip2 compression library
1785                   (for reading bzip2-compressed dmg images)
1786   lzfse           support of lzfse compression library
1787                   (for reading lzfse-compressed dmg images)
1788   seccomp         seccomp support
1789   coroutine-pool  coroutine freelist (better performance)
1790   glusterfs       GlusterFS backend
1791   tpm             TPM support
1792   libssh          ssh block device support
1793   numa            libnuma support
1794   libxml2         for Parallels image format
1795   tcmalloc        tcmalloc support
1796   jemalloc        jemalloc support
1797   avx2            AVX2 optimization support
1798   replication     replication support
1799   opengl          opengl support
1800   virglrenderer   virgl rendering support
1801   xfsctl          xfsctl support
1802   qom-cast-debug  cast debugging support
1803   tools           build qemu-io, qemu-nbd and qemu-img tools
1804   vxhs            Veritas HyperScale vDisk backend support
1805   bochs           bochs image format support
1806   cloop           cloop image format support
1807   dmg             dmg image format support
1808   qcow1           qcow v1 image format support
1809   vdi             vdi image format support
1810   vvfat           vvfat image format support
1811   qed             qed image format support
1812   parallels       parallels image format support
1813   sheepdog        sheepdog block driver support
1814   crypto-afalg    Linux AF_ALG crypto backend driver
1815   capstone        capstone disassembler support
1816   debug-mutex     mutex debugging support
1817   libpmem         libpmem support
1818   xkbcommon       xkbcommon support
1819
1820 NOTE: The object files are built at the place where configure is launched
1821 EOF
1822 exit 0
1823 fi
1824
1825 # Remove old dependency files to make sure that they get properly regenerated
1826 rm -f */config-devices.mak.d
1827
1828 if test -z "$python"
1829 then
1830     error_exit "Python not found. Use --python=/path/to/python"
1831 fi
1832
1833 # Note that if the Python conditional here evaluates True we will exit
1834 # with status 1 which is a shell 'false' value.
1835 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1836   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1837       "Use --python=/path/to/python to specify a supported Python."
1838 fi
1839
1840 # Preserve python version since some functionality is dependent on it
1841 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1842
1843 # Suppress writing compiled files
1844 python="$python -B"
1845
1846 # Check that the C compiler works. Doing this here before testing
1847 # the host CPU ensures that we had a valid CC to autodetect the
1848 # $cpu var (and we should bail right here if that's not the case).
1849 # It also allows the help message to be printed without a CC.
1850 write_c_skeleton;
1851 if compile_object ; then
1852   : C compiler works ok
1853 else
1854     error_exit "\"$cc\" either does not exist or does not work"
1855 fi
1856 if ! compile_prog ; then
1857     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1858 fi
1859
1860 # Now we have handled --enable-tcg-interpreter and know we're not just
1861 # printing the help message, bail out if the host CPU isn't supported.
1862 if test "$ARCH" = "unknown"; then
1863     if test "$tcg_interpreter" = "yes" ; then
1864         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1865     else
1866         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1867     fi
1868 fi
1869
1870 # Consult white-list to determine whether to enable werror
1871 # by default.  Only enable by default for git builds
1872 if test -z "$werror" ; then
1873     if test -e "$source_path/.git" && \
1874         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1875         werror="yes"
1876     else
1877         werror="no"
1878     fi
1879 fi
1880
1881 if test "$bogus_os" = "yes"; then
1882     # Now that we know that we're not printing the help and that
1883     # the compiler works (so the results of the check_defines we used
1884     # to identify the OS are reliable), if we didn't recognize the
1885     # host OS we should stop now.
1886     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1887 fi
1888
1889 # Check whether the compiler matches our minimum requirements:
1890 cat > $TMPC << EOF
1891 #if defined(__clang_major__) && defined(__clang_minor__)
1892 # ifdef __apple_build_version__
1893 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1894 #   error You need at least XCode Clang v5.1 to compile QEMU
1895 #  endif
1896 # else
1897 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1898 #   error You need at least Clang v3.4 to compile QEMU
1899 #  endif
1900 # endif
1901 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1902 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1903 #  error You need at least GCC v4.8 to compile QEMU
1904 # endif
1905 #else
1906 # error You either need GCC or Clang to compiler QEMU
1907 #endif
1908 int main (void) { return 0; }
1909 EOF
1910 if ! compile_prog "" "" ; then
1911     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1912 fi
1913
1914 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1915 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1916 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1917 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1918 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1919 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1920 # Note that we do not add -Werror to gcc_flags here, because that would
1921 # enable it for all configure tests. If a configure test failed due
1922 # to -Werror this would just silently disable some features,
1923 # so it's too error prone.
1924
1925 cc_has_warning_flag() {
1926     write_c_skeleton;
1927
1928     # Use the positive sense of the flag when testing for -Wno-wombat
1929     # support (gcc will happily accept the -Wno- form of unknown
1930     # warning options).
1931     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1932     compile_prog "-Werror $optflag" ""
1933 }
1934
1935 for flag in $gcc_flags; do
1936     if cc_has_warning_flag $flag ; then
1937         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1938     fi
1939 done
1940
1941 if test "$stack_protector" != "no"; then
1942   cat > $TMPC << EOF
1943 int main(int argc, char *argv[])
1944 {
1945     char arr[64], *p = arr, *c = argv[0];
1946     while (*c) {
1947         *p++ = *c++;
1948     }
1949     return 0;
1950 }
1951 EOF
1952   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1953   sp_on=0
1954   for flag in $gcc_flags; do
1955     # We need to check both a compile and a link, since some compiler
1956     # setups fail only on a .c->.o compile and some only at link time
1957     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1958        compile_prog "-Werror $flag" ""; then
1959       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1960       sp_on=1
1961       break
1962     fi
1963   done
1964   if test "$stack_protector" = yes; then
1965     if test $sp_on = 0; then
1966       error_exit "Stack protector not supported"
1967     fi
1968   fi
1969 fi
1970
1971 # Disable -Wmissing-braces on older compilers that warn even for
1972 # the "universal" C zero initializer {0}.
1973 cat > $TMPC << EOF
1974 struct {
1975   int a[2];
1976 } x = {0};
1977 EOF
1978 if compile_object "-Werror" "" ; then
1979   :
1980 else
1981   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1982 fi
1983
1984 # Our module code doesn't support Windows
1985 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1986   error_exit "Modules are not available for Windows"
1987 fi
1988
1989 # Static linking is not possible with modules or PIE
1990 if test "$static" = "yes" ; then
1991   if test "$modules" = "yes" ; then
1992     error_exit "static and modules are mutually incompatible"
1993   fi
1994   if test "$pie" = "yes" ; then
1995     error_exit "static and pie are mutually incompatible"
1996   else
1997     pie="no"
1998   fi
1999 fi
2000
2001 # Unconditional check for compiler __thread support
2002   cat > $TMPC << EOF
2003 static __thread int tls_var;
2004 int main(void) { return tls_var; }
2005 EOF
2006
2007 if ! compile_prog "-Werror" "" ; then
2008     error_exit "Your compiler does not support the __thread specifier for " \
2009         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2010 fi
2011
2012 if test "$pie" = ""; then
2013   case "$cpu-$targetos" in
2014     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2015       ;;
2016     *)
2017       pie="no"
2018       ;;
2019   esac
2020 fi
2021
2022 if test "$pie" != "no" ; then
2023   cat > $TMPC << EOF
2024
2025 #ifdef __linux__
2026 #  define THREAD __thread
2027 #else
2028 #  define THREAD
2029 #endif
2030
2031 static THREAD int tls_var;
2032
2033 int main(void) { return tls_var; }
2034
2035 EOF
2036   # check we support --no-pie first...
2037   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2038     CFLAGS_NOPIE="-fno-pie"
2039     LDFLAGS_NOPIE="-nopie"
2040   fi
2041
2042   if compile_prog "-fPIE -DPIE" "-pie"; then
2043     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2044     LDFLAGS="-pie $LDFLAGS"
2045     pie="yes"
2046     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2047       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2048     fi
2049   else
2050     if test "$pie" = "yes"; then
2051       error_exit "PIE not available due to missing toolchain support"
2052     else
2053       echo "Disabling PIE due to missing toolchain support"
2054       pie="no"
2055     fi
2056   fi
2057 fi
2058
2059 ##########################################
2060 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2061 # use i686 as default anyway, but for those that don't, an explicit
2062 # specification is necessary
2063
2064 if test "$cpu" = "i386"; then
2065   cat > $TMPC << EOF
2066 static int sfaa(int *ptr)
2067 {
2068   return __sync_fetch_and_and(ptr, 0);
2069 }
2070
2071 int main(void)
2072 {
2073   int val = 42;
2074   val = __sync_val_compare_and_swap(&val, 0, 1);
2075   sfaa(&val);
2076   return val;
2077 }
2078 EOF
2079   if ! compile_prog "" "" ; then
2080     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2081   fi
2082 fi
2083
2084 #########################################
2085 # Solaris specific configure tool chain decisions
2086
2087 if test "$solaris" = "yes" ; then
2088   if has $install; then
2089     :
2090   else
2091     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2092         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2093         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2094   fi
2095   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2096     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2097         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2098         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2099   fi
2100   if has ar; then
2101     :
2102   else
2103     if test -f /usr/ccs/bin/ar ; then
2104       error_exit "No path includes ar" \
2105           "Add /usr/ccs/bin to your path and rerun configure"
2106     fi
2107     error_exit "No path includes ar"
2108   fi
2109 fi
2110
2111 if test -z "${target_list+xxx}" ; then
2112     for target in $default_target_list; do
2113         supported_target $target 2>/dev/null && \
2114             target_list="$target_list $target"
2115     done
2116     target_list="${target_list# }"
2117 else
2118     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2119     for target in $target_list; do
2120         # Check that we recognised the target name; this allows a more
2121         # friendly error message than if we let it fall through.
2122         case " $default_target_list " in
2123             *" $target "*)
2124                 ;;
2125             *)
2126                 error_exit "Unknown target name '$target'"
2127                 ;;
2128         esac
2129         supported_target $target || exit 1
2130     done
2131 fi
2132
2133 # see if system emulation was really requested
2134 case " $target_list " in
2135   *"-softmmu "*) softmmu=yes
2136   ;;
2137   *) softmmu=no
2138   ;;
2139 esac
2140
2141 feature_not_found() {
2142   feature=$1
2143   remedy=$2
2144
2145   error_exit "User requested feature $feature" \
2146       "configure was not able to find it." \
2147       "$remedy"
2148 }
2149
2150 # ---
2151 # big/little endian test
2152 cat > $TMPC << EOF
2153 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2154 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2155 extern int foo(short *, short *);
2156 int main(int argc, char *argv[]) {
2157     return foo(big_endian, little_endian);
2158 }
2159 EOF
2160
2161 if compile_object ; then
2162     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2163         bigendian="yes"
2164     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2165         bigendian="no"
2166     else
2167         echo big/little test failed
2168     fi
2169 else
2170     echo big/little test failed
2171 fi
2172
2173 ##########################################
2174 # cocoa implies not SDL or GTK
2175 # (the cocoa UI code currently assumes it is always the active UI
2176 # and doesn't interact well with other UI frontend code)
2177 if test "$cocoa" = "yes"; then
2178     if test "$sdl" = "yes"; then
2179         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2180     fi
2181     if test "$gtk" = "yes"; then
2182         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2183     fi
2184     gtk=no
2185     sdl=no
2186 fi
2187
2188 # Some versions of Mac OS X incorrectly define SIZE_MAX
2189 cat > $TMPC << EOF
2190 #include <stdint.h>
2191 #include <stdio.h>
2192 int main(int argc, char *argv[]) {
2193     return printf("%zu", SIZE_MAX);
2194 }
2195 EOF
2196 have_broken_size_max=no
2197 if ! compile_object -Werror ; then
2198     have_broken_size_max=yes
2199 fi
2200
2201 ##########################################
2202 # L2TPV3 probe
2203
2204 cat > $TMPC <<EOF
2205 #include <sys/socket.h>
2206 #include <linux/ip.h>
2207 int main(void) { return sizeof(struct mmsghdr); }
2208 EOF
2209 if compile_prog "" "" ; then
2210   l2tpv3=yes
2211 else
2212   l2tpv3=no
2213 fi
2214
2215 #########################################
2216 # vhost interdependencies and host support
2217
2218 # vhost backends
2219 test "$vhost_user" = "" && vhost_user=yes
2220 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2221   error_exit "vhost-user isn't available on win32"
2222 fi
2223 test "$vhost_kernel" = "" && vhost_kernel=$linux
2224 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2225   error_exit "vhost-kernel is only available on Linux"
2226 fi
2227
2228 # vhost-kernel devices
2229 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2230 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2231   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2232 fi
2233 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2234 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2235   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2236 fi
2237
2238 # vhost-user backends
2239 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2240 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2241   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2242 fi
2243 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2244 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2245   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2246 fi
2247 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2248 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2249   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2250 fi
2251
2252 # OR the vhost-kernel and vhost-user values for simplicity
2253 if test "$vhost_net" = ""; then
2254   test "$vhost_net_user" = "yes" && vhost_net=yes
2255   test "$vhost_kernel" = "yes" && vhost_net=yes
2256 fi
2257
2258 ##########################################
2259 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2260
2261 if test "$mingw32" = "yes"; then
2262     # Some versions of MinGW / Mingw-w64 lack localtime_r
2263     # and gmtime_r entirely.
2264     #
2265     # Some versions of Mingw-w64 define a macro for
2266     # localtime_r/gmtime_r.
2267     #
2268     # Some versions of Mingw-w64 will define functions
2269     # for localtime_r/gmtime_r, but only if you have
2270     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2271     # though, unistd.h and pthread.h both define
2272     # that for you.
2273     #
2274     # So this #undef localtime_r and #include <unistd.h>
2275     # are not in fact redundant.
2276 cat > $TMPC << EOF
2277 #include <unistd.h>
2278 #include <time.h>
2279 #undef localtime_r
2280 int main(void) { localtime_r(NULL, NULL); return 0; }
2281 EOF
2282     if compile_prog "" "" ; then
2283         localtime_r="yes"
2284     else
2285         localtime_r="no"
2286     fi
2287 fi
2288
2289 ##########################################
2290 # pkg-config probe
2291
2292 if ! has "$pkg_config_exe"; then
2293   error_exit "pkg-config binary '$pkg_config_exe' not found"
2294 fi
2295
2296 ##########################################
2297 # NPTL probe
2298
2299 if test "$linux_user" = "yes"; then
2300   cat > $TMPC <<EOF
2301 #include <sched.h>
2302 #include <linux/futex.h>
2303 int main(void) {
2304 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2305 #error bork
2306 #endif
2307   return 0;
2308 }
2309 EOF
2310   if ! compile_object ; then
2311     feature_not_found "nptl" "Install glibc and linux kernel headers."
2312   fi
2313 fi
2314
2315 ##########################################
2316 # lzo check
2317
2318 if test "$lzo" != "no" ; then
2319     cat > $TMPC << EOF
2320 #include <lzo/lzo1x.h>
2321 int main(void) { lzo_version(); return 0; }
2322 EOF
2323     if compile_prog "" "-llzo2" ; then
2324         libs_softmmu="$libs_softmmu -llzo2"
2325         lzo="yes"
2326     else
2327         if test "$lzo" = "yes"; then
2328             feature_not_found "liblzo2" "Install liblzo2 devel"
2329         fi
2330         lzo="no"
2331     fi
2332 fi
2333
2334 ##########################################
2335 # snappy check
2336
2337 if test "$snappy" != "no" ; then
2338     cat > $TMPC << EOF
2339 #include <snappy-c.h>
2340 int main(void) { snappy_max_compressed_length(4096); return 0; }
2341 EOF
2342     if compile_prog "" "-lsnappy" ; then
2343         libs_softmmu="$libs_softmmu -lsnappy"
2344         snappy="yes"
2345     else
2346         if test "$snappy" = "yes"; then
2347             feature_not_found "libsnappy" "Install libsnappy devel"
2348         fi
2349         snappy="no"
2350     fi
2351 fi
2352
2353 ##########################################
2354 # bzip2 check
2355
2356 if test "$bzip2" != "no" ; then
2357     cat > $TMPC << EOF
2358 #include <bzlib.h>
2359 int main(void) { BZ2_bzlibVersion(); return 0; }
2360 EOF
2361     if compile_prog "" "-lbz2" ; then
2362         bzip2="yes"
2363     else
2364         if test "$bzip2" = "yes"; then
2365             feature_not_found "libbzip2" "Install libbzip2 devel"
2366         fi
2367         bzip2="no"
2368     fi
2369 fi
2370
2371 ##########################################
2372 # lzfse check
2373
2374 if test "$lzfse" != "no" ; then
2375     cat > $TMPC << EOF
2376 #include <lzfse.h>
2377 int main(void) { lzfse_decode_scratch_size(); return 0; }
2378 EOF
2379     if compile_prog "" "-llzfse" ; then
2380         lzfse="yes"
2381     else
2382         if test "$lzfse" = "yes"; then
2383             feature_not_found "lzfse" "Install lzfse devel"
2384         fi
2385         lzfse="no"
2386     fi
2387 fi
2388
2389 ##########################################
2390 # libseccomp check
2391
2392 if test "$seccomp" != "no" ; then
2393     libseccomp_minver="2.3.0"
2394     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2395         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2396         seccomp_libs="$($pkg_config --libs libseccomp)"
2397         seccomp="yes"
2398     else
2399         if test "$seccomp" = "yes" ; then
2400             feature_not_found "libseccomp" \
2401                  "Install libseccomp devel >= $libseccomp_minver"
2402         fi
2403         seccomp="no"
2404     fi
2405 fi
2406 ##########################################
2407 # xen probe
2408
2409 if test "$xen" != "no" ; then
2410   # Check whether Xen library path is specified via --extra-ldflags to avoid
2411   # overriding this setting with pkg-config output. If not, try pkg-config
2412   # to obtain all needed flags.
2413
2414   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2415      $pkg_config --exists xencontrol ; then
2416     xen_ctrl_version="$(printf '%d%02d%02d' \
2417       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2418     xen=yes
2419     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2420     xen_pc="$xen_pc xenevtchn xendevicemodel"
2421     if $pkg_config --exists xentoolcore; then
2422       xen_pc="$xen_pc xentoolcore"
2423     fi
2424     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2425     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2426   else
2427
2428     xen_libs="-lxenstore -lxenctrl -lxenguest"
2429     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2430
2431     # First we test whether Xen headers and libraries are available.
2432     # If no, we are done and there is no Xen support.
2433     # If yes, more tests are run to detect the Xen version.
2434
2435     # Xen (any)
2436     cat > $TMPC <<EOF
2437 #include <xenctrl.h>
2438 int main(void) {
2439   return 0;
2440 }
2441 EOF
2442     if ! compile_prog "" "$xen_libs" ; then
2443       # Xen not found
2444       if test "$xen" = "yes" ; then
2445         feature_not_found "xen" "Install xen devel"
2446       fi
2447       xen=no
2448
2449     # Xen unstable
2450     elif
2451         cat > $TMPC <<EOF &&
2452 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2453 #define __XEN_TOOLS__
2454 #include <xendevicemodel.h>
2455 #include <xenforeignmemory.h>
2456 int main(void) {
2457   xendevicemodel_handle *xd;
2458   xenforeignmemory_handle *xfmem;
2459
2460   xd = xendevicemodel_open(0, 0);
2461   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2462
2463   xfmem = xenforeignmemory_open(0, 0);
2464   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2465
2466   return 0;
2467 }
2468 EOF
2469         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2470       then
2471       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2472       xen_ctrl_version=41100
2473       xen=yes
2474     elif
2475         cat > $TMPC <<EOF &&
2476 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2477 #include <xenforeignmemory.h>
2478 #include <xentoolcore.h>
2479 int main(void) {
2480   xenforeignmemory_handle *xfmem;
2481
2482   xfmem = xenforeignmemory_open(0, 0);
2483   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2484   xentoolcore_restrict_all(0);
2485
2486   return 0;
2487 }
2488 EOF
2489         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2490       then
2491       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2492       xen_ctrl_version=41000
2493       xen=yes
2494     elif
2495         cat > $TMPC <<EOF &&
2496 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2497 #define __XEN_TOOLS__
2498 #include <xendevicemodel.h>
2499 int main(void) {
2500   xendevicemodel_handle *xd;
2501
2502   xd = xendevicemodel_open(0, 0);
2503   xendevicemodel_close(xd);
2504
2505   return 0;
2506 }
2507 EOF
2508         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2509       then
2510       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2511       xen_ctrl_version=40900
2512       xen=yes
2513     elif
2514         cat > $TMPC <<EOF &&
2515 /*
2516  * If we have stable libs the we don't want the libxc compat
2517  * layers, regardless of what CFLAGS we may have been given.
2518  *
2519  * Also, check if xengnttab_grant_copy_segment_t is defined and
2520  * grant copy operation is implemented.
2521  */
2522 #undef XC_WANT_COMPAT_EVTCHN_API
2523 #undef XC_WANT_COMPAT_GNTTAB_API
2524 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2525 #include <xenctrl.h>
2526 #include <xenstore.h>
2527 #include <xenevtchn.h>
2528 #include <xengnttab.h>
2529 #include <xenforeignmemory.h>
2530 #include <stdint.h>
2531 #include <xen/hvm/hvm_info_table.h>
2532 #if !defined(HVM_MAX_VCPUS)
2533 # error HVM_MAX_VCPUS not defined
2534 #endif
2535 int main(void) {
2536   xc_interface *xc = NULL;
2537   xenforeignmemory_handle *xfmem;
2538   xenevtchn_handle *xe;
2539   xengnttab_handle *xg;
2540   xengnttab_grant_copy_segment_t* seg = NULL;
2541
2542   xs_daemon_open();
2543
2544   xc = xc_interface_open(0, 0, 0);
2545   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2546   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2547   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2548   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2549
2550   xfmem = xenforeignmemory_open(0, 0);
2551   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2552
2553   xe = xenevtchn_open(0, 0);
2554   xenevtchn_fd(xe);
2555
2556   xg = xengnttab_open(0, 0);
2557   xengnttab_grant_copy(xg, 0, seg);
2558
2559   return 0;
2560 }
2561 EOF
2562         compile_prog "" "$xen_libs $xen_stable_libs"
2563       then
2564       xen_ctrl_version=40800
2565       xen=yes
2566     elif
2567         cat > $TMPC <<EOF &&
2568 /*
2569  * If we have stable libs the we don't want the libxc compat
2570  * layers, regardless of what CFLAGS we may have been given.
2571  */
2572 #undef XC_WANT_COMPAT_EVTCHN_API
2573 #undef XC_WANT_COMPAT_GNTTAB_API
2574 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2575 #include <xenctrl.h>
2576 #include <xenstore.h>
2577 #include <xenevtchn.h>
2578 #include <xengnttab.h>
2579 #include <xenforeignmemory.h>
2580 #include <stdint.h>
2581 #include <xen/hvm/hvm_info_table.h>
2582 #if !defined(HVM_MAX_VCPUS)
2583 # error HVM_MAX_VCPUS not defined
2584 #endif
2585 int main(void) {
2586   xc_interface *xc = NULL;
2587   xenforeignmemory_handle *xfmem;
2588   xenevtchn_handle *xe;
2589   xengnttab_handle *xg;
2590
2591   xs_daemon_open();
2592
2593   xc = xc_interface_open(0, 0, 0);
2594   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2595   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2596   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2597   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2598
2599   xfmem = xenforeignmemory_open(0, 0);
2600   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2601
2602   xe = xenevtchn_open(0, 0);
2603   xenevtchn_fd(xe);
2604
2605   xg = xengnttab_open(0, 0);
2606   xengnttab_map_grant_ref(xg, 0, 0, 0);
2607
2608   return 0;
2609 }
2610 EOF
2611         compile_prog "" "$xen_libs $xen_stable_libs"
2612       then
2613       xen_ctrl_version=40701
2614       xen=yes
2615
2616     # Xen 4.6
2617     elif
2618         cat > $TMPC <<EOF &&
2619 #include <xenctrl.h>
2620 #include <xenstore.h>
2621 #include <stdint.h>
2622 #include <xen/hvm/hvm_info_table.h>
2623 #if !defined(HVM_MAX_VCPUS)
2624 # error HVM_MAX_VCPUS not defined
2625 #endif
2626 int main(void) {
2627   xc_interface *xc;
2628   xs_daemon_open();
2629   xc = xc_interface_open(0, 0, 0);
2630   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2631   xc_gnttab_open(NULL, 0);
2632   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2633   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2634   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2635   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2636   return 0;
2637 }
2638 EOF
2639         compile_prog "" "$xen_libs"
2640       then
2641       xen_ctrl_version=40600
2642       xen=yes
2643
2644     # Xen 4.5
2645     elif
2646         cat > $TMPC <<EOF &&
2647 #include <xenctrl.h>
2648 #include <xenstore.h>
2649 #include <stdint.h>
2650 #include <xen/hvm/hvm_info_table.h>
2651 #if !defined(HVM_MAX_VCPUS)
2652 # error HVM_MAX_VCPUS not defined
2653 #endif
2654 int main(void) {
2655   xc_interface *xc;
2656   xs_daemon_open();
2657   xc = xc_interface_open(0, 0, 0);
2658   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2659   xc_gnttab_open(NULL, 0);
2660   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2661   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2662   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2663   return 0;
2664 }
2665 EOF
2666         compile_prog "" "$xen_libs"
2667       then
2668       xen_ctrl_version=40500
2669       xen=yes
2670
2671     elif
2672         cat > $TMPC <<EOF &&
2673 #include <xenctrl.h>
2674 #include <xenstore.h>
2675 #include <stdint.h>
2676 #include <xen/hvm/hvm_info_table.h>
2677 #if !defined(HVM_MAX_VCPUS)
2678 # error HVM_MAX_VCPUS not defined
2679 #endif
2680 int main(void) {
2681   xc_interface *xc;
2682   xs_daemon_open();
2683   xc = xc_interface_open(0, 0, 0);
2684   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2685   xc_gnttab_open(NULL, 0);
2686   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2687   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2688   return 0;
2689 }
2690 EOF
2691         compile_prog "" "$xen_libs"
2692       then
2693       xen_ctrl_version=40200
2694       xen=yes
2695
2696     else
2697       if test "$xen" = "yes" ; then
2698         feature_not_found "xen (unsupported version)" \
2699                           "Install a supported xen (xen 4.2 or newer)"
2700       fi
2701       xen=no
2702     fi
2703
2704     if test "$xen" = yes; then
2705       if test $xen_ctrl_version -ge 40701  ; then
2706         libs_softmmu="$xen_stable_libs $libs_softmmu"
2707       fi
2708       libs_softmmu="$xen_libs $libs_softmmu"
2709     fi
2710   fi
2711 fi
2712
2713 if test "$xen_pci_passthrough" != "no"; then
2714   if test "$xen" = "yes" && test "$linux" = "yes"; then
2715     xen_pci_passthrough=yes
2716   else
2717     if test "$xen_pci_passthrough" = "yes"; then
2718       error_exit "User requested feature Xen PCI Passthrough" \
2719           " but this feature requires /sys from Linux"
2720     fi
2721     xen_pci_passthrough=no
2722   fi
2723 fi
2724
2725 ##########################################
2726 # Windows Hypervisor Platform accelerator (WHPX) check
2727 if test "$whpx" != "no" ; then
2728     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2729         whpx="yes"
2730     else
2731         if test "$whpx" = "yes"; then
2732             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2733         fi
2734         whpx="no"
2735     fi
2736 fi
2737
2738 ##########################################
2739 # Sparse probe
2740 if test "$sparse" != "no" ; then
2741   if has cgcc; then
2742     sparse=yes
2743   else
2744     if test "$sparse" = "yes" ; then
2745       feature_not_found "sparse" "Install sparse binary"
2746     fi
2747     sparse=no
2748   fi
2749 fi
2750
2751 ##########################################
2752 # X11 probe
2753 if $pkg_config --exists "x11"; then
2754     have_x11=yes
2755     x11_cflags=$($pkg_config --cflags x11)
2756     x11_libs=$($pkg_config --libs x11)
2757 fi
2758
2759 ##########################################
2760 # GTK probe
2761
2762 if test "$gtk" != "no"; then
2763     gtkpackage="gtk+-3.0"
2764     gtkx11package="gtk+-x11-3.0"
2765     gtkversion="3.14.0"
2766     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2767         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2768         gtk_libs=$($pkg_config --libs $gtkpackage)
2769         gtk_version=$($pkg_config --modversion $gtkpackage)
2770         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2771             need_x11=yes
2772             gtk_cflags="$gtk_cflags $x11_cflags"
2773             gtk_libs="$gtk_libs $x11_libs"
2774         fi
2775         gtk="yes"
2776     elif test "$gtk" = "yes"; then
2777         feature_not_found "gtk" "Install gtk3-devel"
2778     else
2779         gtk="no"
2780     fi
2781 fi
2782
2783
2784 ##########################################
2785 # GNUTLS probe
2786
2787 if test "$gnutls" != "no"; then
2788     pass="no"
2789     if $pkg_config --exists "gnutls >= 3.1.18"; then
2790         gnutls_cflags=$($pkg_config --cflags gnutls)
2791         gnutls_libs=$($pkg_config --libs gnutls)
2792         # Packaging for the static libraries is not always correct.
2793         # At least ubuntu 18.04 ships only shared libraries.
2794         write_c_skeleton
2795         if compile_prog "" "$gnutls_libs" ; then
2796             LIBS="$gnutls_libs $LIBS"
2797             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2798             pass="yes"
2799         fi
2800     fi
2801     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2802         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2803     else
2804         gnutls="$pass"
2805     fi
2806 fi
2807
2808
2809 # If user didn't give a --disable/enable-gcrypt flag,
2810 # then mark as disabled if user requested nettle
2811 # explicitly
2812 if test -z "$gcrypt"
2813 then
2814     if test "$nettle" = "yes"
2815     then
2816         gcrypt="no"
2817     fi
2818 fi
2819
2820 # If user didn't give a --disable/enable-nettle flag,
2821 # then mark as disabled if user requested gcrypt
2822 # explicitly
2823 if test -z "$nettle"
2824 then
2825     if test "$gcrypt" = "yes"
2826     then
2827         nettle="no"
2828     fi
2829 fi
2830
2831 has_libgcrypt() {
2832     if ! has "libgcrypt-config"
2833     then
2834         return 1
2835     fi
2836
2837     if test -n "$cross_prefix"
2838     then
2839         host=$(libgcrypt-config --host)
2840         if test "$host-" != $cross_prefix
2841         then
2842             return 1
2843         fi
2844     fi
2845
2846     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2847     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2848
2849     if test $maj != 1 || test $min -lt 5
2850     then
2851        return 1
2852     fi
2853
2854     return 0
2855 }
2856
2857
2858 if test "$nettle" != "no"; then
2859     pass="no"
2860     if $pkg_config --exists "nettle >= 2.7.1"; then
2861         nettle_cflags=$($pkg_config --cflags nettle)
2862         nettle_libs=$($pkg_config --libs nettle)
2863         nettle_version=$($pkg_config --modversion nettle)
2864         # Link test to make sure the given libraries work (e.g for static).
2865         write_c_skeleton
2866         if compile_prog "" "$nettle_libs" ; then
2867             LIBS="$nettle_libs $LIBS"
2868             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2869             if test -z "$gcrypt"; then
2870                gcrypt="no"
2871             fi
2872             pass="yes"
2873         fi
2874     fi
2875     if test "$pass" = "yes"
2876     then
2877         cat > $TMPC << EOF
2878 #include <nettle/xts.h>
2879 int main(void) {
2880   return 0;
2881 }
2882 EOF
2883         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2884             nettle_xts=yes
2885             qemu_private_xts=no
2886         fi
2887     fi
2888     if test "$pass" = "no" && test "$nettle" = "yes"; then
2889         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2890     else
2891         nettle="$pass"
2892     fi
2893 fi
2894
2895 if test "$gcrypt" != "no"; then
2896     pass="no"
2897     if has_libgcrypt; then
2898         gcrypt_cflags=$(libgcrypt-config --cflags)
2899         gcrypt_libs=$(libgcrypt-config --libs)
2900         # Debian has removed -lgpg-error from libgcrypt-config
2901         # as it "spreads unnecessary dependencies" which in
2902         # turn breaks static builds...
2903         if test "$static" = "yes"
2904         then
2905             gcrypt_libs="$gcrypt_libs -lgpg-error"
2906         fi
2907
2908         # Link test to make sure the given libraries work (e.g for static).
2909         write_c_skeleton
2910         if compile_prog "" "$gcrypt_libs" ; then
2911             LIBS="$gcrypt_libs $LIBS"
2912             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2913             pass="yes"
2914         fi
2915     fi
2916     if test "$pass" = "yes"; then
2917         gcrypt="yes"
2918         cat > $TMPC << EOF
2919 #include <gcrypt.h>
2920 int main(void) {
2921   gcry_mac_hd_t handle;
2922   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2923                 GCRY_MAC_FLAG_SECURE, NULL);
2924   return 0;
2925 }
2926 EOF
2927         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2928             gcrypt_hmac=yes
2929         fi
2930         cat > $TMPC << EOF
2931 #include <gcrypt.h>
2932 int main(void) {
2933   gcry_cipher_hd_t handle;
2934   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2935   return 0;
2936 }
2937 EOF
2938         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2939             gcrypt_xts=yes
2940             qemu_private_xts=no
2941         fi
2942     elif test "$gcrypt" = "yes"; then
2943         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2944     else
2945         gcrypt="no"
2946     fi
2947 fi
2948
2949
2950 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2951 then
2952     error_exit "Only one of gcrypt & nettle can be enabled"
2953 fi
2954
2955 ##########################################
2956 # libtasn1 - only for the TLS creds/session test suite
2957
2958 tasn1=yes
2959 tasn1_cflags=""
2960 tasn1_libs=""
2961 if $pkg_config --exists "libtasn1"; then
2962     tasn1_cflags=$($pkg_config --cflags libtasn1)
2963     tasn1_libs=$($pkg_config --libs libtasn1)
2964 else
2965     tasn1=no
2966 fi
2967
2968
2969 ##########################################
2970 # PAM probe
2971
2972 if test "$auth_pam" != "no"; then
2973     cat > $TMPC <<EOF
2974 #include <security/pam_appl.h>
2975 #include <stdio.h>
2976 int main(void) {
2977    const char *service_name = "qemu";
2978    const char *user = "frank";
2979    const struct pam_conv pam_conv = { 0 };
2980    pam_handle_t *pamh = NULL;
2981    pam_start(service_name, user, &pam_conv, &pamh);
2982    return 0;
2983 }
2984 EOF
2985     if compile_prog "" "-lpam" ; then
2986         auth_pam=yes
2987     else
2988         if test "$auth_pam" = "yes"; then
2989             feature_not_found "PAM" "Install PAM development package"
2990         else
2991             auth_pam=no
2992         fi
2993     fi
2994 fi
2995
2996 ##########################################
2997 # getifaddrs (for tests/test-io-channel-socket )
2998
2999 have_ifaddrs_h=yes
3000 if ! check_include "ifaddrs.h" ; then
3001   have_ifaddrs_h=no
3002 fi
3003
3004 ##########################################
3005 # VTE probe
3006
3007 if test "$vte" != "no"; then
3008     vteminversion="0.32.0"
3009     if $pkg_config --exists "vte-2.91"; then
3010       vtepackage="vte-2.91"
3011     else
3012       vtepackage="vte-2.90"
3013     fi
3014     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3015         vte_cflags=$($pkg_config --cflags $vtepackage)
3016         vte_libs=$($pkg_config --libs $vtepackage)
3017         vteversion=$($pkg_config --modversion $vtepackage)
3018         vte="yes"
3019     elif test "$vte" = "yes"; then
3020         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3021     else
3022         vte="no"
3023     fi
3024 fi
3025
3026 ##########################################
3027 # SDL probe
3028
3029 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3030 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3031
3032 sdl_probe ()
3033 {
3034   if $pkg_config sdl2 --exists; then
3035     sdlconfig="$pkg_config sdl2"
3036     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3037   elif has "$sdl2_config"; then
3038     sdlconfig="$sdl2_config"
3039     sdlversion=$($sdlconfig --version)
3040   else
3041     if test "$sdl" = "yes" ; then
3042       feature_not_found "sdl" "Install SDL2-devel"
3043     fi
3044     sdl=no
3045     # no need to do the rest
3046     return
3047   fi
3048   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3049     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3050   fi
3051
3052   cat > $TMPC << EOF
3053 #include <SDL.h>
3054 #undef main /* We don't want SDL to override our main() */
3055 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3056 EOF
3057   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3058   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3059   if test "$static" = "yes" ; then
3060     if $pkg_config sdl2 --exists; then
3061       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3062     else
3063       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3064     fi
3065   else
3066     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3067   fi
3068   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3069     sdl=yes
3070
3071     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3072     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3073       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3074          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3075          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3076       fi
3077       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3078         :
3079       else
3080         sdl=no
3081       fi
3082     fi # static link
3083   else # sdl not found
3084     if test "$sdl" = "yes" ; then
3085       feature_not_found "sdl" "Install SDL2 devel"
3086     fi
3087     sdl=no
3088   fi # sdl compile test
3089 }
3090
3091 sdl_image_probe ()
3092 {
3093     if test "$sdl_image" != "no" ; then
3094         if $pkg_config SDL2_image --exists; then
3095             if test "$static" = "yes"; then
3096                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3097             else
3098                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3099             fi
3100             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3101             sdl_image=yes
3102
3103             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3104             sdl_libs="$sdl_libs $sdl_image_libs"
3105         else
3106             if test "$sdl_image" = "yes" ; then
3107                 feature_not_found "sdl_image" "Install SDL Image devel"
3108             else
3109                 sdl_image=no
3110             fi
3111         fi
3112     fi
3113 }
3114
3115 if test "$sdl" != "no" ; then
3116   sdl_probe
3117 fi
3118
3119 if test "$sdl" = "yes" ; then
3120   sdl_image_probe
3121 else
3122   if test "$sdl_image" = "yes"; then
3123     echo "warning: SDL Image requested, but SDL is not available, disabling"
3124   fi
3125   sdl_image=no
3126 fi
3127
3128 if test "$sdl" = "yes" ; then
3129   cat > $TMPC <<EOF
3130 #include <SDL.h>
3131 #if defined(SDL_VIDEO_DRIVER_X11)
3132 #include <X11/XKBlib.h>
3133 #else
3134 #error No x11 support
3135 #endif
3136 int main(void) { return 0; }
3137 EOF
3138   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3139     need_x11=yes
3140     sdl_cflags="$sdl_cflags $x11_cflags"
3141     sdl_libs="$sdl_libs $x11_libs"
3142   fi
3143 fi
3144
3145 ##########################################
3146 # RDMA needs OpenFabrics libraries
3147 if test "$rdma" != "no" ; then
3148   cat > $TMPC <<EOF
3149 #include <rdma/rdma_cma.h>
3150 int main(void) { return 0; }
3151 EOF
3152   rdma_libs="-lrdmacm -libverbs -libumad"
3153   if compile_prog "" "$rdma_libs" ; then
3154     rdma="yes"
3155     libs_softmmu="$libs_softmmu $rdma_libs"
3156   else
3157     if test "$rdma" = "yes" ; then
3158         error_exit \
3159             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3160             " Your options:" \
3161             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3162             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3163             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3164     fi
3165     rdma="no"
3166   fi
3167 fi
3168
3169 ##########################################
3170 # PVRDMA detection
3171
3172 cat > $TMPC <<EOF &&
3173 #include <sys/mman.h>
3174
3175 int
3176 main(void)
3177 {
3178     char buf = 0;
3179     void *addr = &buf;
3180     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3181
3182     return 0;
3183 }
3184 EOF
3185
3186 if test "$rdma" = "yes" ; then
3187     case "$pvrdma" in
3188     "")
3189         if compile_prog "" ""; then
3190             pvrdma="yes"
3191         else
3192             pvrdma="no"
3193         fi
3194         ;;
3195     "yes")
3196         if ! compile_prog "" ""; then
3197             error_exit "PVRDMA is not supported since mremap is not implemented"
3198         fi
3199         pvrdma="yes"
3200         ;;
3201     "no")
3202         pvrdma="no"
3203         ;;
3204     esac
3205 else
3206     if test "$pvrdma" = "yes" ; then
3207         error_exit "PVRDMA requires rdma suppport"
3208     fi
3209     pvrdma="no"
3210 fi
3211
3212 ##########################################
3213 # VNC SASL detection
3214 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3215   cat > $TMPC <<EOF
3216 #include <sasl/sasl.h>
3217 #include <stdio.h>
3218 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3219 EOF
3220   # Assuming Cyrus-SASL installed in /usr prefix
3221   vnc_sasl_cflags=""
3222   vnc_sasl_libs="-lsasl2"
3223   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3224     vnc_sasl=yes
3225     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3226     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3227   else
3228     if test "$vnc_sasl" = "yes" ; then
3229       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3230     fi
3231     vnc_sasl=no
3232   fi
3233 fi
3234
3235 ##########################################
3236 # VNC JPEG detection
3237 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3238 cat > $TMPC <<EOF
3239 #include <stdio.h>
3240 #include <jpeglib.h>
3241 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3242 EOF
3243     vnc_jpeg_cflags=""
3244     vnc_jpeg_libs="-ljpeg"
3245   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3246     vnc_jpeg=yes
3247     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3248     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3249   else
3250     if test "$vnc_jpeg" = "yes" ; then
3251       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3252     fi
3253     vnc_jpeg=no
3254   fi
3255 fi
3256
3257 ##########################################
3258 # VNC PNG detection
3259 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3260 cat > $TMPC <<EOF
3261 //#include <stdio.h>
3262 #include <png.h>
3263 #include <stddef.h>
3264 int main(void) {
3265     png_structp png_ptr;
3266     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3267     return png_ptr != 0;
3268 }
3269 EOF
3270   if $pkg_config libpng --exists; then
3271     vnc_png_cflags=$($pkg_config libpng --cflags)
3272     vnc_png_libs=$($pkg_config libpng --libs)
3273   else
3274     vnc_png_cflags=""
3275     vnc_png_libs="-lpng"
3276   fi
3277   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3278     vnc_png=yes
3279     libs_softmmu="$vnc_png_libs $libs_softmmu"
3280     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3281   else
3282     if test "$vnc_png" = "yes" ; then
3283       feature_not_found "vnc-png" "Install libpng devel"
3284     fi
3285     vnc_png=no
3286   fi
3287 fi
3288
3289 ##########################################
3290 # xkbcommon probe
3291 if test "$xkbcommon" != "no" ; then
3292   if $pkg_config xkbcommon --exists; then
3293     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3294     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3295     xkbcommon=yes
3296   else
3297     if test "$xkbcommon" = "yes" ; then
3298       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3299     fi
3300     xkbcommon=no
3301   fi
3302 fi
3303
3304
3305 ##########################################
3306 # xfsctl() probe, used for file-posix.c
3307 if test "$xfs" != "no" ; then
3308   cat > $TMPC << EOF
3309 #include <stddef.h>  /* NULL */
3310 #include <xfs/xfs.h>
3311 int main(void)
3312 {
3313     xfsctl(NULL, 0, 0, NULL);
3314     return 0;
3315 }
3316 EOF
3317   if compile_prog "" "" ; then
3318     xfs="yes"
3319   else
3320     if test "$xfs" = "yes" ; then
3321       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3322     fi
3323     xfs=no
3324   fi
3325 fi
3326
3327 ##########################################
3328 # vde libraries probe
3329 if test "$vde" != "no" ; then
3330   vde_libs="-lvdeplug"
3331   cat > $TMPC << EOF
3332 #include <libvdeplug.h>
3333 int main(void)
3334 {
3335     struct vde_open_args a = {0, 0, 0};
3336     char s[] = "";
3337     vde_open(s, s, &a);
3338     return 0;
3339 }
3340 EOF
3341   if compile_prog "" "$vde_libs" ; then
3342     vde=yes
3343   else
3344     if test "$vde" = "yes" ; then
3345       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3346     fi
3347     vde=no
3348   fi
3349 fi
3350
3351 ##########################################
3352 # netmap support probe
3353 # Apart from looking for netmap headers, we make sure that the host API version
3354 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3355 # a minor/major version number. Minor new features will be marked with values up
3356 # to 15, and if something happens that requires a change to the backend we will
3357 # move above 15, submit the backend fixes and modify this two bounds.
3358 if test "$netmap" != "no" ; then
3359   cat > $TMPC << EOF
3360 #include <inttypes.h>
3361 #include <net/if.h>
3362 #include <net/netmap.h>
3363 #include <net/netmap_user.h>
3364 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3365 #error
3366 #endif
3367 int main(void) { return 0; }
3368 EOF
3369   if compile_prog "" "" ; then
3370     netmap=yes
3371   else
3372     if test "$netmap" = "yes" ; then
3373       feature_not_found "netmap"
3374     fi
3375     netmap=no
3376   fi
3377 fi
3378
3379 ##########################################
3380 # libcap-ng library probe
3381 if test "$cap_ng" != "no" ; then
3382   cap_libs="-lcap-ng"
3383   cat > $TMPC << EOF
3384 #include <cap-ng.h>
3385 int main(void)
3386 {
3387     capng_capability_to_name(CAPNG_EFFECTIVE);
3388     return 0;
3389 }
3390 EOF
3391   if compile_prog "" "$cap_libs" ; then
3392     cap_ng=yes
3393     libs_tools="$cap_libs $libs_tools"
3394   else
3395     if test "$cap_ng" = "yes" ; then
3396       feature_not_found "cap_ng" "Install libcap-ng devel"
3397     fi
3398     cap_ng=no
3399   fi
3400 fi
3401
3402 ##########################################
3403 # Sound support libraries probe
3404
3405 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3406 for drv in $audio_drv_list; do
3407     case $drv in
3408     alsa | try-alsa)
3409     if $pkg_config alsa --exists; then
3410         alsa_libs=$($pkg_config alsa --libs)
3411         if test "$drv" = "try-alsa"; then
3412             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3413         fi
3414     else
3415         if test "$drv" = "try-alsa"; then
3416             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3417         else
3418             error_exit "$drv check failed" \
3419                 "Make sure to have the $drv libs and headers installed."
3420         fi
3421     fi
3422     ;;
3423
3424     pa | try-pa)
3425     if $pkg_config libpulse --exists; then
3426         pulse_libs=$($pkg_config libpulse --libs)
3427         if test "$drv" = "try-pa"; then
3428             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3429         fi
3430     else
3431         if test "$drv" = "try-pa"; then
3432             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3433         else
3434             error_exit "$drv check failed" \
3435                 "Make sure to have the $drv libs and headers installed."
3436         fi
3437     fi
3438     ;;
3439
3440     sdl)
3441     if test "$sdl" = "no"; then
3442         error_exit "sdl not found or disabled, can not use sdl audio driver"
3443     fi
3444     ;;
3445
3446     try-sdl)
3447     if test "$sdl" = "no"; then
3448         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3449     else
3450         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3451     fi
3452     ;;
3453
3454     coreaudio)
3455       coreaudio_libs="-framework CoreAudio"
3456     ;;
3457
3458     dsound)
3459       dsound_libs="-lole32 -ldxguid"
3460       audio_win_int="yes"
3461     ;;
3462
3463     oss)
3464       oss_libs="$oss_lib"
3465     ;;
3466
3467     *)
3468     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3469         error_exit "Unknown driver '$drv' selected" \
3470             "Possible drivers are: $audio_possible_drivers"
3471     }
3472     ;;
3473     esac
3474 done
3475
3476 ##########################################
3477 # BrlAPI probe
3478
3479 if test "$brlapi" != "no" ; then
3480   brlapi_libs="-lbrlapi"
3481   cat > $TMPC << EOF
3482 #include <brlapi.h>
3483 #include <stddef.h>
3484 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3485 EOF
3486   if compile_prog "" "$brlapi_libs" ; then
3487     brlapi=yes
3488   else
3489     if test "$brlapi" = "yes" ; then
3490       feature_not_found "brlapi" "Install brlapi devel"
3491     fi
3492     brlapi=no
3493   fi
3494 fi
3495
3496 ##########################################
3497 # iconv probe
3498 if test "$iconv" != "no" ; then
3499   cat > $TMPC << EOF
3500 #include <iconv.h>
3501 int main(void) {
3502   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3503   return conv != (iconv_t) -1;
3504 }
3505 EOF
3506   iconv_prefix_list="/usr/local:/usr"
3507   iconv_lib_list=":-liconv"
3508   IFS=:
3509   for iconv_prefix in $iconv_prefix_list; do
3510     IFS=:
3511     iconv_cflags="-I$iconv_prefix/include"
3512     iconv_ldflags="-L$iconv_prefix/lib"
3513     for iconv_link in $iconv_lib_list; do
3514       unset IFS
3515       iconv_lib="$iconv_ldflags $iconv_link"
3516       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3517       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3518         iconv_found=yes
3519         break
3520       fi
3521     done
3522     if test "$iconv_found" = yes ; then
3523       break
3524     fi
3525   done
3526   if test "$iconv_found" = "yes" ; then
3527     iconv=yes
3528   else
3529     if test "$iconv" = "yes" ; then
3530       feature_not_found "iconv" "Install iconv devel"
3531     fi
3532     iconv=no
3533   fi
3534 fi
3535
3536 ##########################################
3537 # curses probe
3538 if test "$iconv" = "no" ; then
3539   # curses will need iconv
3540   curses=no
3541 fi
3542 if test "$curses" != "no" ; then
3543   if test "$mingw32" = "yes" ; then
3544     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3545     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3546   else
3547     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3548     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3549   fi
3550   curses_found=no
3551   cat > $TMPC << EOF
3552 #include <locale.h>
3553 #include <curses.h>
3554 #include <wchar.h>
3555 #include <langinfo.h>
3556 int main(void) {
3557   const char *codeset;
3558   wchar_t wch = L'w';
3559   setlocale(LC_ALL, "");
3560   resize_term(0, 0);
3561   addwstr(L"wide chars\n");
3562   addnwstr(&wch, 1);
3563   add_wch(WACS_DEGREE);
3564   codeset = nl_langinfo(CODESET);
3565   return codeset != 0;
3566 }
3567 EOF
3568   IFS=:
3569   for curses_inc in $curses_inc_list; do
3570     # Make sure we get the wide character prototypes
3571     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3572     IFS=:
3573     for curses_lib in $curses_lib_list; do
3574       unset IFS
3575       if compile_prog "$curses_inc" "$curses_lib" ; then
3576         curses_found=yes
3577         break
3578       fi
3579     done
3580     if test "$curses_found" = yes ; then
3581       break
3582     fi
3583   done
3584   unset IFS
3585   if test "$curses_found" = "yes" ; then
3586     curses=yes
3587   else
3588     if test "$curses" = "yes" ; then
3589       feature_not_found "curses" "Install ncurses devel"
3590     fi
3591     curses=no
3592   fi
3593 fi
3594
3595 ##########################################
3596 # curl probe
3597 if test "$curl" != "no" ; then
3598   if $pkg_config libcurl --exists; then
3599     curlconfig="$pkg_config libcurl"
3600   else
3601     curlconfig=curl-config
3602   fi
3603   cat > $TMPC << EOF
3604 #include <curl/curl.h>
3605 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3606 EOF
3607   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3608   curl_libs=$($curlconfig --libs 2>/dev/null)
3609   if compile_prog "$curl_cflags" "$curl_libs" ; then
3610     curl=yes
3611   else
3612     if test "$curl" = "yes" ; then
3613       feature_not_found "curl" "Install libcurl devel"
3614     fi
3615     curl=no
3616   fi
3617 fi # test "$curl"
3618
3619 ##########################################
3620 # bluez support probe
3621 if test "$bluez" != "no" ; then
3622   cat > $TMPC << EOF
3623 #include <bluetooth/bluetooth.h>
3624 int main(void) { return bt_error(0); }
3625 EOF
3626   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3627   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3628   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3629     bluez=yes
3630     libs_softmmu="$bluez_libs $libs_softmmu"
3631   else
3632     if test "$bluez" = "yes" ; then
3633       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3634     fi
3635     bluez="no"
3636   fi
3637 fi
3638
3639 ##########################################
3640 # glib support probe
3641
3642 glib_req_ver=2.48
3643 glib_modules=gthread-2.0
3644 if test "$modules" = yes; then
3645     glib_modules="$glib_modules gmodule-export-2.0"
3646 fi
3647
3648 # This workaround is required due to a bug in pkg-config file for glib as it
3649 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3650
3651 if test "$static" = yes && test "$mingw32" = yes; then
3652     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3653 fi
3654
3655 for i in $glib_modules; do
3656     if $pkg_config --atleast-version=$glib_req_ver $i; then
3657         glib_cflags=$($pkg_config --cflags $i)
3658         glib_libs=$($pkg_config --libs $i)
3659         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3660         LIBS="$glib_libs $LIBS"
3661         libs_qga="$glib_libs $libs_qga"
3662     else
3663         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3664     fi
3665 done
3666
3667 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3668     gio=yes
3669     gio_cflags=$($pkg_config --cflags gio-2.0)
3670     gio_libs=$($pkg_config --libs gio-2.0)
3671 else
3672     gio=no
3673 fi
3674
3675 # Sanity check that the current size_t matches the
3676 # size that glib thinks it should be. This catches
3677 # problems on multi-arch where people try to build
3678 # 32-bit QEMU while pointing at 64-bit glib headers
3679 cat > $TMPC <<EOF
3680 #include <glib.h>
3681 #include <unistd.h>
3682
3683 #define QEMU_BUILD_BUG_ON(x) \
3684   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3685
3686 int main(void) {
3687    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3688    return 0;
3689 }
3690 EOF
3691
3692 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3693     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3694                "You probably need to set PKG_CONFIG_LIBDIR"\
3695                "to point to the right pkg-config files for your"\
3696                "build target"
3697 fi
3698
3699 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3700 cat > $TMPC << EOF
3701 #include <glib.h>
3702 int main(void) { return 0; }
3703 EOF
3704 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3705     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3706         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3707         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3708     fi
3709 fi
3710
3711 #########################################
3712 # zlib check
3713
3714 if test "$zlib" != "no" ; then
3715     if $pkg_config --exists zlib; then
3716         zlib_cflags=$($pkg_config --cflags zlib)
3717         zlib_libs=$($pkg_config --libs zlib)
3718         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3719         LIBS="$zlib_libs $LIBS"
3720     else
3721         cat > $TMPC << EOF
3722 #include <zlib.h>
3723 int main(void) { zlibVersion(); return 0; }
3724 EOF
3725         if compile_prog "" "-lz" ; then
3726             LIBS="$LIBS -lz"
3727         else
3728             error_exit "zlib check failed" \
3729                 "Make sure to have the zlib libs and headers installed."
3730         fi
3731     fi
3732 fi
3733
3734 ##########################################
3735 # SHA command probe for modules
3736 if test "$modules" = yes; then
3737     shacmd_probe="sha1sum sha1 shasum"
3738     for c in $shacmd_probe; do
3739         if has $c; then
3740             shacmd="$c"
3741             break
3742         fi
3743     done
3744     if test "$shacmd" = ""; then
3745         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3746     fi
3747 fi
3748
3749 ##########################################
3750 # pixman support probe
3751
3752 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3753   pixman_cflags=
3754   pixman_libs=
3755 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3756   pixman_cflags=$($pkg_config --cflags pixman-1)
3757   pixman_libs=$($pkg_config --libs pixman-1)
3758 else
3759   error_exit "pixman >= 0.21.8 not present." \
3760       "Please install the pixman devel package."
3761 fi
3762
3763 ##########################################
3764 # libmpathpersist probe
3765
3766 if test "$mpath" != "no" ; then
3767   # probe for the new API
3768   cat > $TMPC <<EOF
3769 #include <libudev.h>
3770 #include <mpath_persist.h>
3771 unsigned mpath_mx_alloc_len = 1024;
3772 int logsink;
3773 static struct config *multipath_conf;
3774 extern struct udev *udev;
3775 extern struct config *get_multipath_config(void);
3776 extern void put_multipath_config(struct config *conf);
3777 struct udev *udev;
3778 struct config *get_multipath_config(void) { return multipath_conf; }
3779 void put_multipath_config(struct config *conf) { }
3780
3781 int main(void) {
3782     udev = udev_new();
3783     multipath_conf = mpath_lib_init();
3784     return 0;
3785 }
3786 EOF
3787   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3788     mpathpersist=yes
3789     mpathpersist_new_api=yes
3790   else
3791     # probe for the old API
3792     cat > $TMPC <<EOF
3793 #include <libudev.h>
3794 #include <mpath_persist.h>
3795 unsigned mpath_mx_alloc_len = 1024;
3796 int logsink;
3797 int main(void) {
3798     struct udev *udev = udev_new();
3799     mpath_lib_init(udev);
3800     return 0;
3801 }
3802 EOF
3803     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3804       mpathpersist=yes
3805       mpathpersist_new_api=no
3806     else
3807       mpathpersist=no
3808     fi
3809   fi
3810 else
3811   mpathpersist=no
3812 fi
3813
3814 ##########################################
3815 # libcap probe
3816
3817 if test "$cap" != "no" ; then
3818   cat > $TMPC <<EOF
3819 #include <stdio.h>
3820 #include <sys/capability.h>
3821 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3822 EOF
3823   if compile_prog "" "-lcap" ; then
3824     cap=yes
3825   else
3826     cap=no
3827   fi
3828 fi
3829
3830 ##########################################
3831 # pthread probe
3832 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3833
3834 pthread=no
3835 cat > $TMPC << EOF
3836 #include <pthread.h>
3837 static void *f(void *p) { return NULL; }
3838 int main(void) {
3839   pthread_t thread;
3840   pthread_create(&thread, 0, f, 0);
3841   return 0;
3842 }
3843 EOF
3844 if compile_prog "" "" ; then
3845   pthread=yes
3846 else
3847   for pthread_lib in $PTHREADLIBS_LIST; do
3848     if compile_prog "" "$pthread_lib" ; then
3849       pthread=yes
3850       found=no
3851       for lib_entry in $LIBS; do
3852         if test "$lib_entry" = "$pthread_lib"; then
3853           found=yes
3854           break
3855         fi
3856       done
3857       if test "$found" = "no"; then
3858         LIBS="$pthread_lib $LIBS"
3859         libs_qga="$pthread_lib $libs_qga"
3860       fi
3861       PTHREAD_LIB="$pthread_lib"
3862       break
3863     fi
3864   done
3865 fi
3866
3867 if test "$mingw32" != yes && test "$pthread" = no; then
3868   error_exit "pthread check failed" \
3869       "Make sure to have the pthread libs and headers installed."
3870 fi
3871
3872 # check for pthread_setname_np with thread id
3873 pthread_setname_np_w_tid=no
3874 cat > $TMPC << EOF
3875 #include <pthread.h>
3876
3877 static void *f(void *p) { return NULL; }
3878 int main(void)
3879 {
3880     pthread_t thread;
3881     pthread_create(&thread, 0, f, 0);
3882     pthread_setname_np(thread, "QEMU");
3883     return 0;
3884 }
3885 EOF
3886 if compile_prog "" "$pthread_lib" ; then
3887   pthread_setname_np_w_tid=yes
3888 fi
3889
3890 # check for pthread_setname_np without thread id
3891 pthread_setname_np_wo_tid=no
3892 cat > $TMPC << EOF
3893 #include <pthread.h>
3894
3895 static void *f(void *p) { pthread_setname_np("QEMU"); }
3896 int main(void)
3897 {
3898     pthread_t thread;
3899     pthread_create(&thread, 0, f, 0);
3900     return 0;
3901 }
3902 EOF
3903 if compile_prog "" "$pthread_lib" ; then
3904   pthread_setname_np_wo_tid=yes
3905 fi
3906
3907 ##########################################
3908 # rbd probe
3909 if test "$rbd" != "no" ; then
3910   cat > $TMPC <<EOF
3911 #include <stdio.h>
3912 #include <rbd/librbd.h>
3913 int main(void) {
3914     rados_t cluster;
3915     rados_create(&cluster, NULL);
3916     return 0;
3917 }
3918 EOF
3919   rbd_libs="-lrbd -lrados"
3920   if compile_prog "" "$rbd_libs" ; then
3921     rbd=yes
3922   else
3923     if test "$rbd" = "yes" ; then
3924       feature_not_found "rados block device" "Install librbd/ceph devel"
3925     fi
3926     rbd=no
3927   fi
3928 fi
3929
3930 ##########################################
3931 # libssh probe
3932 if test "$libssh" != "no" ; then
3933   if $pkg_config --exists libssh; then
3934     libssh_cflags=$($pkg_config libssh --cflags)
3935     libssh_libs=$($pkg_config libssh --libs)
3936     libssh=yes
3937   else
3938     if test "$libssh" = "yes" ; then
3939       error_exit "libssh required for --enable-libssh"
3940     fi
3941     libssh=no
3942   fi
3943 fi
3944
3945 ##########################################
3946 # Check for libssh 0.8
3947 # This is done like this instead of using the LIBSSH_VERSION_* and
3948 # SSH_VERSION_* macros because some distributions in the past shipped
3949 # snapshots of the future 0.8 from Git, and those snapshots did not
3950 # have updated version numbers (still referring to 0.7.0).
3951
3952 if test "$libssh" = "yes"; then
3953   cat > $TMPC <<EOF
3954 #include <libssh/libssh.h>
3955 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3956 EOF
3957   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3958     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3959   fi
3960 fi
3961
3962 ##########################################
3963 # linux-aio probe
3964
3965 if test "$linux_aio" != "no" ; then
3966   cat > $TMPC <<EOF
3967 #include <libaio.h>
3968 #include <sys/eventfd.h>
3969 #include <stddef.h>
3970 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3971 EOF
3972   if compile_prog "" "-laio" ; then
3973     linux_aio=yes
3974   else
3975     if test "$linux_aio" = "yes" ; then
3976       feature_not_found "linux AIO" "Install libaio devel"
3977     fi
3978     linux_aio=no
3979   fi
3980 fi
3981
3982 ##########################################
3983 # TPM emulation is only on POSIX
3984
3985 if test "$tpm" = ""; then
3986   if test "$mingw32" = "yes"; then
3987     tpm=no
3988   else
3989     tpm=yes
3990   fi
3991 elif test "$tpm" = "yes"; then
3992   if test "$mingw32" = "yes" ; then
3993     error_exit "TPM emulation only available on POSIX systems"
3994   fi
3995 fi
3996
3997 ##########################################
3998 # attr probe
3999
4000 if test "$attr" != "no" ; then
4001   cat > $TMPC <<EOF
4002 #include <stdio.h>
4003 #include <sys/types.h>
4004 #ifdef CONFIG_LIBATTR
4005 #include <attr/xattr.h>
4006 #else
4007 #include <sys/xattr.h>
4008 #endif
4009 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4010 EOF
4011   if compile_prog "" "" ; then
4012     attr=yes
4013   # Older distros have <attr/xattr.h>, and need -lattr:
4014   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4015     attr=yes
4016     LIBS="-lattr $LIBS"
4017     libattr=yes
4018   else
4019     if test "$attr" = "yes" ; then
4020       feature_not_found "ATTR" "Install libc6 or libattr devel"
4021     fi
4022     attr=no
4023   fi
4024 fi
4025
4026 ##########################################
4027 # iovec probe
4028 cat > $TMPC <<EOF
4029 #include <sys/types.h>
4030 #include <sys/uio.h>
4031 #include <unistd.h>
4032 int main(void) { return sizeof(struct iovec); }
4033 EOF
4034 iovec=no
4035 if compile_prog "" "" ; then
4036   iovec=yes
4037 fi
4038
4039 ##########################################
4040 # preadv probe
4041 cat > $TMPC <<EOF
4042 #include <sys/types.h>
4043 #include <sys/uio.h>
4044 #include <unistd.h>
4045 int main(void) { return preadv(0, 0, 0, 0); }
4046 EOF
4047 preadv=no
4048 if compile_prog "" "" ; then
4049   preadv=yes
4050 fi
4051
4052 ##########################################
4053 # fdt probe
4054 # fdt support is mandatory for at least some target architectures,
4055 # so insist on it if we're building those system emulators.
4056 fdt_required=no
4057 for target in $target_list; do
4058   case $target in
4059     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4060       fdt_required=yes
4061     ;;
4062   esac
4063 done
4064
4065 if test "$fdt_required" = "yes"; then
4066   if test "$fdt" = "no"; then
4067     error_exit "fdt disabled but some requested targets require it." \
4068       "You can turn off fdt only if you also disable all the system emulation" \
4069       "targets which need it (by specifying a cut down --target-list)."
4070   fi
4071   fdt=yes
4072 fi
4073
4074 if test "$fdt" != "no" ; then
4075   fdt_libs="-lfdt"
4076   # explicitly check for libfdt_env.h as it is missing in some stable installs
4077   # and test for required functions to make sure we are on a version >= 1.4.2
4078   cat > $TMPC << EOF
4079 #include <libfdt.h>
4080 #include <libfdt_env.h>
4081 int main(void) { fdt_check_full(NULL, 0); return 0; }
4082 EOF
4083   if compile_prog "" "$fdt_libs" ; then
4084     # system DTC is good - use it
4085     fdt=system
4086   else
4087       # have GIT checkout, so activate dtc submodule
4088       if test -e "${source_path}/.git" ; then
4089           git_submodules="${git_submodules} dtc"
4090       fi
4091       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4092           fdt=git
4093           mkdir -p dtc
4094           if [ "$pwd_is_source_path" != "y" ] ; then
4095               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4096               symlink "$source_path/dtc/scripts" "dtc/scripts"
4097           fi
4098           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4099           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4100           fdt_libs="$fdt_libs"
4101       elif test "$fdt" = "yes" ; then
4102           # Not a git build & no libfdt found, prompt for system install
4103           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4104                      "Please install the DTC (libfdt) devel package"
4105       else
4106           # don't have and don't want
4107           fdt_libs=
4108           fdt=no
4109       fi
4110   fi
4111 fi
4112
4113 libs_softmmu="$libs_softmmu $fdt_libs"
4114
4115 ##########################################
4116 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4117
4118 gbm="no"
4119 if $pkg_config gbm; then
4120     gbm_cflags="$($pkg_config --cflags gbm)"
4121     gbm_libs="$($pkg_config --libs gbm)"
4122     gbm="yes"
4123 fi
4124
4125 if test "$opengl" != "no" ; then
4126   opengl_pkgs="epoxy gbm"
4127   if $pkg_config $opengl_pkgs; then
4128     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4129     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4130     opengl=yes
4131     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4132         gtk_gl="yes"
4133     fi
4134     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4135   else
4136     if test "$opengl" = "yes" ; then
4137       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4138     fi
4139     opengl_cflags=""
4140     opengl_libs=""
4141     opengl=no
4142   fi
4143 fi
4144
4145 if test "$opengl" = "yes"; then
4146   cat > $TMPC << EOF
4147 #include <epoxy/egl.h>
4148 #ifndef EGL_MESA_image_dma_buf_export
4149 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4150 #endif
4151 int main(void) { return 0; }
4152 EOF
4153   if compile_prog "" "" ; then
4154     opengl_dmabuf=yes
4155   fi
4156 fi
4157
4158 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4159   for target in $target_list; do
4160     case $target in
4161       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4162         need_x11=yes
4163       ;;
4164     esac
4165   done
4166 fi
4167
4168 ##########################################
4169 # libxml2 probe
4170 if test "$libxml2" != "no" ; then
4171     if $pkg_config --exists libxml-2.0; then
4172         libxml2="yes"
4173         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4174         libxml2_libs=$($pkg_config --libs libxml-2.0)
4175     else
4176         if test "$libxml2" = "yes"; then
4177             feature_not_found "libxml2" "Install libxml2 devel"
4178         fi
4179         libxml2="no"
4180     fi
4181 fi
4182
4183 ##########################################
4184 # glusterfs probe
4185 if test "$glusterfs" != "no" ; then
4186   if $pkg_config --atleast-version=3 glusterfs-api; then
4187     glusterfs="yes"
4188     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4189     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4190     if $pkg_config --atleast-version=4 glusterfs-api; then
4191       glusterfs_xlator_opt="yes"
4192     fi
4193     if $pkg_config --atleast-version=5 glusterfs-api; then
4194       glusterfs_discard="yes"
4195     fi
4196     if $pkg_config --atleast-version=6 glusterfs-api; then
4197       glusterfs_fallocate="yes"
4198       glusterfs_zerofill="yes"
4199     fi
4200     cat > $TMPC << EOF
4201 #include <glusterfs/api/glfs.h>
4202
4203 int
4204 main(void)
4205 {
4206         /* new glfs_ftruncate() passes two additional args */
4207         return glfs_ftruncate(NULL, 0, NULL, NULL);
4208 }
4209 EOF
4210     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4211       glusterfs_ftruncate_has_stat="yes"
4212     fi
4213     cat > $TMPC << EOF
4214 #include <glusterfs/api/glfs.h>
4215
4216 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4217 static void
4218 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4219 {}
4220
4221 int
4222 main(void)
4223 {
4224         glfs_io_cbk iocb = &glusterfs_iocb;
4225         iocb(NULL, 0 , NULL, NULL, NULL);
4226         return 0;
4227 }
4228 EOF
4229     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4230       glusterfs_iocb_has_stat="yes"
4231     fi
4232   else
4233     if test "$glusterfs" = "yes" ; then
4234       feature_not_found "GlusterFS backend support" \
4235           "Install glusterfs-api devel >= 3"
4236     fi
4237     glusterfs="no"
4238   fi
4239 fi
4240
4241 # Check for inotify functions when we are building linux-user
4242 # emulator.  This is done because older glibc versions don't
4243 # have syscall stubs for these implemented.  In that case we
4244 # don't provide them even if kernel supports them.
4245 #
4246 inotify=no
4247 cat > $TMPC << EOF
4248 #include <sys/inotify.h>
4249
4250 int
4251 main(void)
4252 {
4253         /* try to start inotify */
4254         return inotify_init();
4255 }
4256 EOF
4257 if compile_prog "" "" ; then
4258   inotify=yes
4259 fi
4260
4261 inotify1=no
4262 cat > $TMPC << EOF
4263 #include <sys/inotify.h>
4264
4265 int
4266 main(void)
4267 {
4268     /* try to start inotify */
4269     return inotify_init1(0);
4270 }
4271 EOF
4272 if compile_prog "" "" ; then
4273   inotify1=yes
4274 fi
4275
4276 # check if pipe2 is there
4277 pipe2=no
4278 cat > $TMPC << EOF
4279 #include <unistd.h>
4280 #include <fcntl.h>
4281
4282 int main(void)
4283 {
4284     int pipefd[2];
4285     return pipe2(pipefd, O_CLOEXEC);
4286 }
4287 EOF
4288 if compile_prog "" "" ; then
4289   pipe2=yes
4290 fi
4291
4292 # check if accept4 is there
4293 accept4=no
4294 cat > $TMPC << EOF
4295 #include <sys/socket.h>
4296 #include <stddef.h>
4297
4298 int main(void)
4299 {
4300     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4301     return 0;
4302 }
4303 EOF
4304 if compile_prog "" "" ; then
4305   accept4=yes
4306 fi
4307
4308 # check if tee/splice is there. vmsplice was added same time.
4309 splice=no
4310 cat > $TMPC << EOF
4311 #include <unistd.h>
4312 #include <fcntl.h>
4313 #include <limits.h>
4314
4315 int main(void)
4316 {
4317     int len, fd = 0;
4318     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4319     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4320     return 0;
4321 }
4322 EOF
4323 if compile_prog "" "" ; then
4324   splice=yes
4325 fi
4326
4327 ##########################################
4328 # libnuma probe
4329
4330 if test "$numa" != "no" ; then
4331   cat > $TMPC << EOF
4332 #include <numa.h>
4333 int main(void) { return numa_available(); }
4334 EOF
4335
4336   if compile_prog "" "-lnuma" ; then
4337     numa=yes
4338     libs_softmmu="-lnuma $libs_softmmu"
4339   else
4340     if test "$numa" = "yes" ; then
4341       feature_not_found "numa" "install numactl devel"
4342     fi
4343     numa=no
4344   fi
4345 fi
4346
4347 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4348     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4349     exit 1
4350 fi
4351
4352 # Even if malloc_trim() is available, these non-libc memory allocators
4353 # do not support it.
4354 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4355     if test "$malloc_trim" = "yes" ; then
4356         echo "Disabling malloc_trim with non-libc memory allocator"
4357     fi
4358     malloc_trim="no"
4359 fi
4360
4361 #######################################
4362 # malloc_trim
4363
4364 if test "$malloc_trim" != "no" ; then
4365     cat > $TMPC << EOF
4366 #include <malloc.h>
4367 int main(void) { malloc_trim(0); return 0; }
4368 EOF
4369     if compile_prog "" "" ; then
4370         malloc_trim="yes"
4371     else
4372         malloc_trim="no"
4373     fi
4374 fi
4375
4376 ##########################################
4377 # tcmalloc probe
4378
4379 if test "$tcmalloc" = "yes" ; then
4380   cat > $TMPC << EOF
4381 #include <stdlib.h>
4382 int main(void) { malloc(1); return 0; }
4383 EOF
4384
4385   if compile_prog "" "-ltcmalloc" ; then
4386     LIBS="-ltcmalloc $LIBS"
4387   else
4388     feature_not_found "tcmalloc" "install gperftools devel"
4389   fi
4390 fi
4391
4392 ##########################################
4393 # jemalloc probe
4394
4395 if test "$jemalloc" = "yes" ; then
4396   cat > $TMPC << EOF
4397 #include <stdlib.h>
4398 int main(void) { malloc(1); return 0; }
4399 EOF
4400
4401   if compile_prog "" "-ljemalloc" ; then
4402     LIBS="-ljemalloc $LIBS"
4403   else
4404     feature_not_found "jemalloc" "install jemalloc devel"
4405   fi
4406 fi
4407
4408 ##########################################
4409 # signalfd probe
4410 signalfd="no"
4411 cat > $TMPC << EOF
4412 #include <unistd.h>
4413 #include <sys/syscall.h>
4414 #include <signal.h>
4415 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4416 EOF
4417
4418 if compile_prog "" "" ; then
4419   signalfd=yes
4420 fi
4421
4422 # check if optreset global is declared by <getopt.h>
4423 optreset="no"
4424 cat > $TMPC << EOF
4425 #include <getopt.h>
4426 int main(void) { return optreset; }
4427 EOF
4428
4429 if compile_prog "" "" ; then
4430   optreset=yes
4431 fi
4432
4433 # check if eventfd is supported
4434 eventfd=no
4435 cat > $TMPC << EOF
4436 #include <sys/eventfd.h>
4437
4438 int main(void)
4439 {
4440     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4441 }
4442 EOF
4443 if compile_prog "" "" ; then
4444   eventfd=yes
4445 fi
4446
4447 # check if memfd is supported
4448 memfd=no
4449 cat > $TMPC << EOF
4450 #include <sys/mman.h>
4451
4452 int main(void)
4453 {
4454     return memfd_create("foo", MFD_ALLOW_SEALING);
4455 }
4456 EOF
4457 if compile_prog "" "" ; then
4458   memfd=yes
4459 fi
4460
4461 # check for usbfs
4462 have_usbfs=no
4463 if test "$linux_user" = "yes"; then
4464   cat > $TMPC << EOF
4465 #include <linux/usbdevice_fs.h>
4466
4467 #ifndef USBDEVFS_GET_CAPABILITIES
4468 #error "USBDEVFS_GET_CAPABILITIES undefined"
4469 #endif
4470
4471 #ifndef USBDEVFS_DISCONNECT_CLAIM
4472 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4473 #endif
4474
4475 int main(void)
4476 {
4477     return 0;
4478 }
4479 EOF
4480   if compile_prog "" ""; then
4481     have_usbfs=yes
4482   fi
4483 fi
4484
4485 # check for fallocate
4486 fallocate=no
4487 cat > $TMPC << EOF
4488 #include <fcntl.h>
4489
4490 int main(void)
4491 {
4492     fallocate(0, 0, 0, 0);
4493     return 0;
4494 }
4495 EOF
4496 if compile_prog "" "" ; then
4497   fallocate=yes
4498 fi
4499
4500 # check for fallocate hole punching
4501 fallocate_punch_hole=no
4502 cat > $TMPC << EOF
4503 #include <fcntl.h>
4504 #include <linux/falloc.h>
4505
4506 int main(void)
4507 {
4508     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4509     return 0;
4510 }
4511 EOF
4512 if compile_prog "" "" ; then
4513   fallocate_punch_hole=yes
4514 fi
4515
4516 # check that fallocate supports range zeroing inside the file
4517 fallocate_zero_range=no
4518 cat > $TMPC << EOF
4519 #include <fcntl.h>
4520 #include <linux/falloc.h>
4521
4522 int main(void)
4523 {
4524     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4525     return 0;
4526 }
4527 EOF
4528 if compile_prog "" "" ; then
4529   fallocate_zero_range=yes
4530 fi
4531
4532 # check for posix_fallocate
4533 posix_fallocate=no
4534 cat > $TMPC << EOF
4535 #include <fcntl.h>
4536
4537 int main(void)
4538 {
4539     posix_fallocate(0, 0, 0);
4540     return 0;
4541 }
4542 EOF
4543 if compile_prog "" "" ; then
4544     posix_fallocate=yes
4545 fi
4546
4547 # check for sync_file_range
4548 sync_file_range=no
4549 cat > $TMPC << EOF
4550 #include <fcntl.h>
4551
4552 int main(void)
4553 {
4554     sync_file_range(0, 0, 0, 0);
4555     return 0;
4556 }
4557 EOF
4558 if compile_prog "" "" ; then
4559   sync_file_range=yes
4560 fi
4561
4562 # check for linux/fiemap.h and FS_IOC_FIEMAP
4563 fiemap=no
4564 cat > $TMPC << EOF
4565 #include <sys/ioctl.h>
4566 #include <linux/fs.h>
4567 #include <linux/fiemap.h>
4568
4569 int main(void)
4570 {
4571     ioctl(0, FS_IOC_FIEMAP, 0);
4572     return 0;
4573 }
4574 EOF
4575 if compile_prog "" "" ; then
4576   fiemap=yes
4577 fi
4578
4579 # check for dup3
4580 dup3=no
4581 cat > $TMPC << EOF
4582 #include <unistd.h>
4583
4584 int main(void)
4585 {
4586     dup3(0, 0, 0);
4587     return 0;
4588 }
4589 EOF
4590 if compile_prog "" "" ; then
4591   dup3=yes
4592 fi
4593
4594 # check for ppoll support
4595 ppoll=no
4596 cat > $TMPC << EOF
4597 #include <poll.h>
4598
4599 int main(void)
4600 {
4601     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4602     ppoll(&pfd, 1, 0, 0);
4603     return 0;
4604 }
4605 EOF
4606 if compile_prog "" "" ; then
4607   ppoll=yes
4608 fi
4609
4610 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4611 prctl_pr_set_timerslack=no
4612 cat > $TMPC << EOF
4613 #include <sys/prctl.h>
4614
4615 int main(void)
4616 {
4617     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4618     return 0;
4619 }
4620 EOF
4621 if compile_prog "" "" ; then
4622   prctl_pr_set_timerslack=yes
4623 fi
4624
4625 # check for epoll support
4626 epoll=no
4627 cat > $TMPC << EOF
4628 #include <sys/epoll.h>
4629
4630 int main(void)
4631 {
4632     epoll_create(0);
4633     return 0;
4634 }
4635 EOF
4636 if compile_prog "" "" ; then
4637   epoll=yes
4638 fi
4639
4640 # epoll_create1 is a later addition
4641 # so we must check separately for its presence
4642 epoll_create1=no
4643 cat > $TMPC << EOF
4644 #include <sys/epoll.h>
4645
4646 int main(void)
4647 {
4648     /* Note that we use epoll_create1 as a value, not as
4649      * a function being called. This is necessary so that on
4650      * old SPARC glibc versions where the function was present in
4651      * the library but not declared in the header file we will
4652      * fail the configure check. (Otherwise we will get a compiler
4653      * warning but not an error, and will proceed to fail the
4654      * qemu compile where we compile with -Werror.)
4655      */
4656     return (int)(uintptr_t)&epoll_create1;
4657 }
4658 EOF
4659 if compile_prog "" "" ; then
4660   epoll_create1=yes
4661 fi
4662
4663 # check for sendfile support
4664 sendfile=no
4665 cat > $TMPC << EOF
4666 #include <sys/sendfile.h>
4667
4668 int main(void)
4669 {
4670     return sendfile(0, 0, 0, 0);
4671 }
4672 EOF
4673 if compile_prog "" "" ; then
4674   sendfile=yes
4675 fi
4676
4677 # check for timerfd support (glibc 2.8 and newer)
4678 timerfd=no
4679 cat > $TMPC << EOF
4680 #include <sys/timerfd.h>
4681
4682 int main(void)
4683 {
4684     return(timerfd_create(CLOCK_REALTIME, 0));
4685 }
4686 EOF
4687 if compile_prog "" "" ; then
4688   timerfd=yes
4689 fi
4690
4691 # check for setns and unshare support
4692 setns=no
4693 cat > $TMPC << EOF
4694 #include <sched.h>
4695
4696 int main(void)
4697 {
4698     int ret;
4699     ret = setns(0, 0);
4700     ret = unshare(0);
4701     return ret;
4702 }
4703 EOF
4704 if compile_prog "" "" ; then
4705   setns=yes
4706 fi
4707
4708 # clock_adjtime probe
4709 clock_adjtime=no
4710 cat > $TMPC <<EOF
4711 #include <time.h>
4712
4713 int main(void)
4714 {
4715     return clock_adjtime(0, 0);
4716 }
4717 EOF
4718 clock_adjtime=no
4719 if compile_prog "" "" ; then
4720   clock_adjtime=yes
4721 fi
4722
4723 # syncfs probe
4724 syncfs=no
4725 cat > $TMPC <<EOF
4726 #include <unistd.h>
4727
4728 int main(void)
4729 {
4730     return syncfs(0);
4731 }
4732 EOF
4733 syncfs=no
4734 if compile_prog "" "" ; then
4735   syncfs=yes
4736 fi
4737
4738 # Check we have a new enough version of sphinx-build
4739 has_sphinx_build() {
4740     # This is a bit awkward but works: create a trivial document and
4741     # try to run it with our configuration file (which enforces a
4742     # version requirement). This will fail if either
4743     # sphinx-build doesn't exist at all or if it is too old.
4744     mkdir -p "$TMPDIR1/sphinx"
4745     touch "$TMPDIR1/sphinx/index.rst"
4746     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4747 }
4748
4749 # Check if tools are available to build documentation.
4750 if test "$docs" != "no" ; then
4751   if has makeinfo && has pod2man && has_sphinx_build; then
4752     docs=yes
4753   else
4754     if test "$docs" = "yes" ; then
4755       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4756     fi
4757     docs=no
4758   fi
4759 fi
4760
4761 # Search for bswap_32 function
4762 byteswap_h=no
4763 cat > $TMPC << EOF
4764 #include <byteswap.h>
4765 int main(void) { return bswap_32(0); }
4766 EOF
4767 if compile_prog "" "" ; then
4768   byteswap_h=yes
4769 fi
4770
4771 # Search for bswap32 function
4772 bswap_h=no
4773 cat > $TMPC << EOF
4774 #include <sys/endian.h>
4775 #include <sys/types.h>
4776 #include <machine/bswap.h>
4777 int main(void) { return bswap32(0); }
4778 EOF
4779 if compile_prog "" "" ; then
4780   bswap_h=yes
4781 fi
4782
4783 ##########################################
4784 # Do we have libiscsi >= 1.9.0
4785 if test "$libiscsi" != "no" ; then
4786   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4787     libiscsi="yes"
4788     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4789     libiscsi_libs=$($pkg_config --libs libiscsi)
4790   else
4791     if test "$libiscsi" = "yes" ; then
4792       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4793     fi
4794     libiscsi="no"
4795   fi
4796 fi
4797
4798 ##########################################
4799 # Do we need libm
4800 cat > $TMPC << EOF
4801 #include <math.h>
4802 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4803 EOF
4804 if compile_prog "" "" ; then
4805   :
4806 elif compile_prog "" "-lm" ; then
4807   LIBS="-lm $LIBS"
4808   libs_qga="-lm $libs_qga"
4809 else
4810   error_exit "libm check failed"
4811 fi
4812
4813 ##########################################
4814 # Do we need librt
4815 # uClibc provides 2 versions of clock_gettime(), one with realtime
4816 # support and one without. This means that the clock_gettime() don't
4817 # need -lrt. We still need it for timer_create() so we check for this
4818 # function in addition.
4819 cat > $TMPC <<EOF
4820 #include <signal.h>
4821 #include <time.h>
4822 int main(void) {
4823   timer_create(CLOCK_REALTIME, NULL, NULL);
4824   return clock_gettime(CLOCK_REALTIME, NULL);
4825 }
4826 EOF
4827
4828 if compile_prog "" "" ; then
4829   :
4830 # we need pthread for static linking. use previous pthread test result
4831 elif compile_prog "" "$pthread_lib -lrt" ; then
4832   LIBS="$LIBS -lrt"
4833   libs_qga="$libs_qga -lrt"
4834 fi
4835
4836 # Check whether we need to link libutil for openpty()
4837 cat > $TMPC << EOF
4838 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4839 int main(void) { return openpty(0, 0, 0, 0, 0); }
4840 EOF
4841
4842 if ! compile_prog "" "" ; then
4843   if compile_prog "" "-lutil" ; then
4844     libs_softmmu="-lutil $libs_softmmu"
4845     libs_tools="-lutil $libs_tools"
4846   fi
4847 fi
4848
4849 ##########################################
4850 # spice probe
4851 if test "$spice" != "no" ; then
4852   cat > $TMPC << EOF
4853 #include <spice.h>
4854 int main(void) { spice_server_new(); return 0; }
4855 EOF
4856   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4857   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4858   if $pkg_config --atleast-version=0.12.5 spice-server && \
4859      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4860      compile_prog "$spice_cflags" "$spice_libs" ; then
4861     spice="yes"
4862     libs_softmmu="$libs_softmmu $spice_libs"
4863     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4864     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4865     spice_server_version=$($pkg_config --modversion spice-server)
4866   else
4867     if test "$spice" = "yes" ; then
4868       feature_not_found "spice" \
4869           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4870     fi
4871     spice="no"
4872   fi
4873 fi
4874
4875 # check for smartcard support
4876 if test "$smartcard" != "no"; then
4877     if $pkg_config --atleast-version=2.5.1 libcacard; then
4878         libcacard_cflags=$($pkg_config --cflags libcacard)
4879         libcacard_libs=$($pkg_config --libs libcacard)
4880         smartcard="yes"
4881     else
4882         if test "$smartcard" = "yes"; then
4883             feature_not_found "smartcard" "Install libcacard devel"
4884         fi
4885         smartcard="no"
4886     fi
4887 fi
4888
4889 # check for libusb
4890 if test "$libusb" != "no" ; then
4891     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4892         libusb="yes"
4893         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4894         libusb_libs=$($pkg_config --libs libusb-1.0)
4895     else
4896         if test "$libusb" = "yes"; then
4897             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4898         fi
4899         libusb="no"
4900     fi
4901 fi
4902
4903 # check for usbredirparser for usb network redirection support
4904 if test "$usb_redir" != "no" ; then
4905     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4906         usb_redir="yes"
4907         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4908         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4909     else
4910         if test "$usb_redir" = "yes"; then
4911             feature_not_found "usb-redir" "Install usbredir devel"
4912         fi
4913         usb_redir="no"
4914     fi
4915 fi
4916
4917 ##########################################
4918 # check if we have VSS SDK headers for win
4919
4920 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4921         test "$vss_win32_sdk" != "no" ; then
4922   case "$vss_win32_sdk" in
4923     "")   vss_win32_include="-isystem $source_path" ;;
4924     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4925           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4926           vss_win32_include="-isystem $source_path/.sdk/vss"
4927           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4928           ;;
4929     *)    vss_win32_include="-isystem $vss_win32_sdk"
4930   esac
4931   cat > $TMPC << EOF
4932 #define __MIDL_user_allocate_free_DEFINED__
4933 #include <inc/win2003/vss.h>
4934 int main(void) { return VSS_CTX_BACKUP; }
4935 EOF
4936   if compile_prog "$vss_win32_include" "" ; then
4937     guest_agent_with_vss="yes"
4938     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4939     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4940     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4941   else
4942     if test "$vss_win32_sdk" != "" ; then
4943       echo "ERROR: Please download and install Microsoft VSS SDK:"
4944       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4945       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4946       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4947       echo "ERROR: The headers are extracted in the directory \`inc'."
4948       feature_not_found "VSS support"
4949     fi
4950     guest_agent_with_vss="no"
4951   fi
4952 fi
4953
4954 ##########################################
4955 # lookup Windows platform SDK (if not specified)
4956 # The SDK is needed only to build .tlb (type library) file of guest agent
4957 # VSS provider from the source. It is usually unnecessary because the
4958 # pre-compiled .tlb file is included.
4959
4960 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4961         test "$guest_agent_with_vss" = "yes" ; then
4962   if test -z "$win_sdk"; then
4963     programfiles="$PROGRAMFILES"
4964     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4965     if test -n "$programfiles"; then
4966       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4967     else
4968       feature_not_found "Windows SDK"
4969     fi
4970   elif test "$win_sdk" = "no"; then
4971     win_sdk=""
4972   fi
4973 fi
4974
4975 ##########################################
4976 # check if mingw environment provides a recent ntddscsi.h
4977 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4978   cat > $TMPC << EOF
4979 #include <windows.h>
4980 #include <ntddscsi.h>
4981 int main(void) {
4982 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4983 #error Missing required ioctl definitions
4984 #endif
4985   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4986   return addr.Lun;
4987 }
4988 EOF
4989   if compile_prog "" "" ; then
4990     guest_agent_ntddscsi=yes
4991     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4992   fi
4993 fi
4994
4995 ##########################################
4996 # virgl renderer probe
4997
4998 if test "$virglrenderer" != "no" ; then
4999   cat > $TMPC << EOF
5000 #include <virglrenderer.h>
5001 int main(void) { virgl_renderer_poll(); return 0; }
5002 EOF
5003   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5004   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5005   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5006   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5007      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5008     virglrenderer="yes"
5009   else
5010     if test "$virglrenderer" = "yes" ; then
5011       feature_not_found "virglrenderer"
5012     fi
5013     virglrenderer="no"
5014   fi
5015 fi
5016
5017 ##########################################
5018 # capstone
5019
5020 case "$capstone" in
5021   "" | yes)
5022     if $pkg_config capstone; then
5023       capstone=system
5024     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5025       capstone=git
5026     elif test -e "${source_path}/capstone/Makefile" ; then
5027       capstone=internal
5028     elif test -z "$capstone" ; then
5029       capstone=no
5030     else
5031       feature_not_found "capstone" "Install capstone devel or git submodule"
5032     fi
5033     ;;
5034
5035   system)
5036     if ! $pkg_config capstone; then
5037       feature_not_found "capstone" "Install capstone devel"
5038     fi
5039     ;;
5040 esac
5041
5042 case "$capstone" in
5043   git | internal)
5044     if test "$capstone" = git; then
5045       git_submodules="${git_submodules} capstone"
5046     fi
5047     mkdir -p capstone
5048     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5049     if test "$mingw32" = "yes"; then
5050       LIBCAPSTONE=capstone.lib
5051     else
5052       LIBCAPSTONE=libcapstone.a
5053     fi
5054     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5055     ;;
5056
5057   system)
5058     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5059     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5060     ;;
5061
5062   no)
5063     ;;
5064   *)
5065     error_exit "Unknown state for capstone: $capstone"
5066     ;;
5067 esac
5068
5069 ##########################################
5070 # check if we have fdatasync
5071
5072 fdatasync=no
5073 cat > $TMPC << EOF
5074 #include <unistd.h>
5075 int main(void) {
5076 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5077 return fdatasync(0);
5078 #else
5079 #error Not supported
5080 #endif
5081 }
5082 EOF
5083 if compile_prog "" "" ; then
5084     fdatasync=yes
5085 fi
5086
5087 ##########################################
5088 # check if we have madvise
5089
5090 madvise=no
5091 cat > $TMPC << EOF
5092 #include <sys/types.h>
5093 #include <sys/mman.h>
5094 #include <stddef.h>
5095 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5096 EOF
5097 if compile_prog "" "" ; then
5098     madvise=yes
5099 fi
5100
5101 ##########################################
5102 # check if we have posix_madvise
5103
5104 posix_madvise=no
5105 cat > $TMPC << EOF
5106 #include <sys/mman.h>
5107 #include <stddef.h>
5108 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5109 EOF
5110 if compile_prog "" "" ; then
5111     posix_madvise=yes
5112 fi
5113
5114 ##########################################
5115 # check if we have posix_memalign()
5116
5117 posix_memalign=no
5118 cat > $TMPC << EOF
5119 #include <stdlib.h>
5120 int main(void) {
5121     void *p;
5122     return posix_memalign(&p, 8, 8);
5123 }
5124 EOF
5125 if compile_prog "" "" ; then
5126     posix_memalign=yes
5127 fi
5128
5129 ##########################################
5130 # check if we have posix_syslog
5131
5132 posix_syslog=no
5133 cat > $TMPC << EOF
5134 #include <syslog.h>
5135 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5136 EOF
5137 if compile_prog "" "" ; then
5138     posix_syslog=yes
5139 fi
5140
5141 ##########################################
5142 # check if we have sem_timedwait
5143
5144 sem_timedwait=no
5145 cat > $TMPC << EOF
5146 #include <semaphore.h>
5147 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5148 EOF
5149 if compile_prog "" "" ; then
5150     sem_timedwait=yes
5151 fi
5152
5153 ##########################################
5154 # check if we have strchrnul
5155
5156 strchrnul=no
5157 cat > $TMPC << EOF
5158 #include <string.h>
5159 int main(void);
5160 // Use a haystack that the compiler shouldn't be able to constant fold
5161 char *haystack = (char*)&main;
5162 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5163 EOF
5164 if compile_prog "" "" ; then
5165     strchrnul=yes
5166 fi
5167
5168 ##########################################
5169 # check if trace backend exists
5170
5171 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5172 if test "$?" -ne 0 ; then
5173   error_exit "invalid trace backends" \
5174       "Please choose supported trace backends."
5175 fi
5176
5177 ##########################################
5178 # For 'ust' backend, test if ust headers are present
5179 if have_backend "ust"; then
5180   cat > $TMPC << EOF
5181 #include <lttng/tracepoint.h>
5182 int main(void) { return 0; }
5183 EOF
5184   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5185     if $pkg_config lttng-ust --exists; then
5186       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5187     else
5188       lttng_ust_libs="-llttng-ust -ldl"
5189     fi
5190     if $pkg_config liburcu-bp --exists; then
5191       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5192     else
5193       urcu_bp_libs="-lurcu-bp"
5194     fi
5195
5196     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5197     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5198   else
5199     error_exit "Trace backend 'ust' missing lttng-ust header files"
5200   fi
5201 fi
5202
5203 ##########################################
5204 # For 'dtrace' backend, test if 'dtrace' command is present
5205 if have_backend "dtrace"; then
5206   if ! has 'dtrace' ; then
5207     error_exit "dtrace command is not found in PATH $PATH"
5208   fi
5209   trace_backend_stap="no"
5210   if has 'stap' ; then
5211     trace_backend_stap="yes"
5212   fi
5213 fi
5214
5215 ##########################################
5216 # check and set a backend for coroutine
5217
5218 # We prefer ucontext, but it's not always possible. The fallback
5219 # is sigcontext. On Windows the only valid backend is the Windows
5220 # specific one.
5221
5222 ucontext_works=no
5223 if test "$darwin" != "yes"; then
5224   cat > $TMPC << EOF
5225 #include <ucontext.h>
5226 #ifdef __stub_makecontext
5227 #error Ignoring glibc stub makecontext which will always fail
5228 #endif
5229 int main(void) { makecontext(0, 0, 0); return 0; }
5230 EOF
5231   if compile_prog "" "" ; then
5232     ucontext_works=yes
5233   fi
5234 fi
5235
5236 if test "$coroutine" = ""; then
5237   if test "$mingw32" = "yes"; then
5238     coroutine=win32
5239   elif test "$ucontext_works" = "yes"; then
5240     coroutine=ucontext
5241   else
5242     coroutine=sigaltstack
5243   fi
5244 else
5245   case $coroutine in
5246   windows)
5247     if test "$mingw32" != "yes"; then
5248       error_exit "'windows' coroutine backend only valid for Windows"
5249     fi
5250     # Unfortunately the user visible backend name doesn't match the
5251     # coroutine-*.c filename for this case, so we have to adjust it here.
5252     coroutine=win32
5253     ;;
5254   ucontext)
5255     if test "$ucontext_works" != "yes"; then
5256       feature_not_found "ucontext"
5257     fi
5258     ;;
5259   sigaltstack)
5260     if test "$mingw32" = "yes"; then
5261       error_exit "only the 'windows' coroutine backend is valid for Windows"
5262     fi
5263     ;;
5264   *)
5265     error_exit "unknown coroutine backend $coroutine"
5266     ;;
5267   esac
5268 fi
5269
5270 if test "$coroutine_pool" = ""; then
5271   coroutine_pool=yes
5272 fi
5273
5274 if test "$debug_stack_usage" = "yes"; then
5275   if test "$coroutine_pool" = "yes"; then
5276     echo "WARN: disabling coroutine pool for stack usage debugging"
5277     coroutine_pool=no
5278   fi
5279 fi
5280
5281
5282 ##########################################
5283 # check if we have open_by_handle_at
5284
5285 open_by_handle_at=no
5286 cat > $TMPC << EOF
5287 #include <fcntl.h>
5288 #if !defined(AT_EMPTY_PATH)
5289 # error missing definition
5290 #else
5291 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5292 #endif
5293 EOF
5294 if compile_prog "" "" ; then
5295     open_by_handle_at=yes
5296 fi
5297
5298 ########################################
5299 # check if we have linux/magic.h
5300
5301 linux_magic_h=no
5302 cat > $TMPC << EOF
5303 #include <linux/magic.h>
5304 int main(void) {
5305   return 0;
5306 }
5307 EOF
5308 if compile_prog "" "" ; then
5309     linux_magic_h=yes
5310 fi
5311
5312 ########################################
5313 # check whether we can disable warning option with a pragma (this is needed
5314 # to silence warnings in the headers of some versions of external libraries).
5315 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5316 # only a warning.
5317 #
5318 # If we can't selectively disable warning in the code, disable -Werror so that
5319 # the build doesn't fail anyway.
5320
5321 pragma_disable_unused_but_set=no
5322 cat > $TMPC << EOF
5323 #pragma GCC diagnostic push
5324 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5325 #pragma GCC diagnostic pop
5326
5327 int main(void) {
5328     return 0;
5329 }
5330 EOF
5331 if compile_prog "-Werror" "" ; then
5332     pragma_diagnostic_available=yes
5333 else
5334     werror=no
5335 fi
5336
5337 ########################################
5338 # check if we have valgrind/valgrind.h
5339
5340 valgrind_h=no
5341 cat > $TMPC << EOF
5342 #include <valgrind/valgrind.h>
5343 int main(void) {
5344   return 0;
5345 }
5346 EOF
5347 if compile_prog "" "" ; then
5348     valgrind_h=yes
5349 fi
5350
5351 ########################################
5352 # check if environ is declared
5353
5354 has_environ=no
5355 cat > $TMPC << EOF
5356 #include <unistd.h>
5357 int main(void) {
5358     environ = 0;
5359     return 0;
5360 }
5361 EOF
5362 if compile_prog "" "" ; then
5363     has_environ=yes
5364 fi
5365
5366 ########################################
5367 # check if cpuid.h is usable.
5368
5369 cat > $TMPC << EOF
5370 #include <cpuid.h>
5371 int main(void) {
5372     unsigned a, b, c, d;
5373     int max = __get_cpuid_max(0, 0);
5374
5375     if (max >= 1) {
5376         __cpuid(1, a, b, c, d);
5377     }
5378
5379     if (max >= 7) {
5380         __cpuid_count(7, 0, a, b, c, d);
5381     }
5382
5383     return 0;
5384 }
5385 EOF
5386 if compile_prog "" "" ; then
5387     cpuid_h=yes
5388 fi
5389
5390 ##########################################
5391 # avx2 optimization requirement check
5392 #
5393 # There is no point enabling this if cpuid.h is not usable,
5394 # since we won't be able to select the new routines.
5395
5396 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5397   cat > $TMPC << EOF
5398 #pragma GCC push_options
5399 #pragma GCC target("avx2")
5400 #include <cpuid.h>
5401 #include <immintrin.h>
5402 static int bar(void *a) {
5403     __m256i x = *(__m256i *)a;
5404     return _mm256_testz_si256(x, x);
5405 }
5406 int main(int argc, char *argv[]) { return bar(argv[0]); }
5407 EOF
5408   if compile_object "" ; then
5409     avx2_opt="yes"
5410   else
5411     avx2_opt="no"
5412   fi
5413 fi
5414
5415 ########################################
5416 # check if __[u]int128_t is usable.
5417
5418 int128=no
5419 cat > $TMPC << EOF
5420 __int128_t a;
5421 __uint128_t b;
5422 int main (void) {
5423   a = a + b;
5424   b = a * b;
5425   a = a * a;
5426   return 0;
5427 }
5428 EOF
5429 if compile_prog "" "" ; then
5430     int128=yes
5431 fi
5432
5433 #########################################
5434 # See if 128-bit atomic operations are supported.
5435
5436 atomic128=no
5437 if test "$int128" = "yes"; then
5438   cat > $TMPC << EOF
5439 int main(void)
5440 {
5441   unsigned __int128 x = 0, y = 0;
5442   y = __atomic_load_16(&x, 0);
5443   __atomic_store_16(&x, y, 0);
5444   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5445   return 0;
5446 }
5447 EOF
5448   if compile_prog "" "" ; then
5449     atomic128=yes
5450   fi
5451 fi
5452
5453 cmpxchg128=no
5454 if test "$int128" = yes && test "$atomic128" = no; then
5455   cat > $TMPC << EOF
5456 int main(void)
5457 {
5458   unsigned __int128 x = 0, y = 0;
5459   __sync_val_compare_and_swap_16(&x, y, x);
5460   return 0;
5461 }
5462 EOF
5463   if compile_prog "" "" ; then
5464     cmpxchg128=yes
5465   fi
5466 fi
5467
5468 #########################################
5469 # See if 64-bit atomic operations are supported.
5470 # Note that without __atomic builtins, we can only
5471 # assume atomic loads/stores max at pointer size.
5472
5473 cat > $TMPC << EOF
5474 #include <stdint.h>
5475 int main(void)
5476 {
5477   uint64_t x = 0, y = 0;
5478 #ifdef __ATOMIC_RELAXED
5479   y = __atomic_load_8(&x, 0);
5480   __atomic_store_8(&x, y, 0);
5481   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5482   __atomic_exchange_8(&x, y, 0);
5483   __atomic_fetch_add_8(&x, y, 0);
5484 #else
5485   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5486   __sync_lock_test_and_set(&x, y);
5487   __sync_val_compare_and_swap(&x, y, 0);
5488   __sync_fetch_and_add(&x, y);
5489 #endif
5490   return 0;
5491 }
5492 EOF
5493 if compile_prog "" "" ; then
5494   atomic64=yes
5495 fi
5496
5497 ########################################
5498 # See if 16-byte vector operations are supported.
5499 # Even without a vector unit the compiler may expand these.
5500 # There is a bug in old GCC for PPC that crashes here.
5501 # Unfortunately it's the system compiler for Centos 7.
5502
5503 cat > $TMPC << EOF
5504 typedef unsigned char U1 __attribute__((vector_size(16)));
5505 typedef unsigned short U2 __attribute__((vector_size(16)));
5506 typedef unsigned int U4 __attribute__((vector_size(16)));
5507 typedef unsigned long long U8 __attribute__((vector_size(16)));
5508 typedef signed char S1 __attribute__((vector_size(16)));
5509 typedef signed short S2 __attribute__((vector_size(16)));
5510 typedef signed int S4 __attribute__((vector_size(16)));
5511 typedef signed long long S8 __attribute__((vector_size(16)));
5512 static U1 a1, b1;
5513 static U2 a2, b2;
5514 static U4 a4, b4;
5515 static U8 a8, b8;
5516 static S1 c1;
5517 static S2 c2;
5518 static S4 c4;
5519 static S8 c8;
5520 static int i;
5521 void helper(void *d, void *a, int shift, int i);
5522 void helper(void *d, void *a, int shift, int i)
5523 {
5524   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5525   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5526   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5527   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5528 }
5529 int main(void)
5530 {
5531   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5532   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5533   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5534   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5535   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5536   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5537   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5538   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5539   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5540   return 0;
5541 }
5542 EOF
5543
5544 vector16=no
5545 if compile_prog "" "" ; then
5546   vector16=yes
5547 fi
5548
5549 ########################################
5550 # See if __attribute__((alias)) is supported.
5551 # This false for Xcode 9, but has been remedied for Xcode 10.
5552 # Unfortunately, travis uses Xcode 9 by default.
5553
5554 attralias=no
5555 cat > $TMPC << EOF
5556 int x = 1;
5557 extern const int y __attribute__((alias("x")));
5558 int main(void) { return 0; }
5559 EOF
5560 if compile_prog "" "" ; then
5561     attralias=yes
5562 fi
5563
5564 ########################################
5565 # check if getauxval is available.
5566
5567 getauxval=no
5568 cat > $TMPC << EOF
5569 #include <sys/auxv.h>
5570 int main(void) {
5571   return getauxval(AT_HWCAP) == 0;
5572 }
5573 EOF
5574 if compile_prog "" "" ; then
5575     getauxval=yes
5576 fi
5577
5578 ########################################
5579 # check if ccache is interfering with
5580 # semantic analysis of macros
5581
5582 unset CCACHE_CPP2
5583 ccache_cpp2=no
5584 cat > $TMPC << EOF
5585 static const int Z = 1;
5586 #define fn() ({ Z; })
5587 #define TAUT(X) ((X) == Z)
5588 #define PAREN(X, Y) (X == Y)
5589 #define ID(X) (X)
5590 int main(int argc, char *argv[])
5591 {
5592     int x = 0, y = 0;
5593     x = ID(x);
5594     x = fn();
5595     fn();
5596     if (PAREN(x, y)) return 0;
5597     if (TAUT(Z)) return 0;
5598     return 0;
5599 }
5600 EOF
5601
5602 if ! compile_object "-Werror"; then
5603     ccache_cpp2=yes
5604 fi
5605
5606 #################################################
5607 # clang does not support glibc + FORTIFY_SOURCE.
5608
5609 if test "$fortify_source" != "no"; then
5610   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5611     fortify_source="no";
5612   elif test -n "$cxx" && has $cxx &&
5613        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5614     fortify_source="no";
5615   else
5616     fortify_source="yes"
5617   fi
5618 fi
5619
5620 ###############################################
5621 # Check if copy_file_range is provided by glibc
5622 have_copy_file_range=no
5623 cat > $TMPC << EOF
5624 #include <unistd.h>
5625 int main(void) {
5626   copy_file_range(0, NULL, 0, NULL, 0, 0);
5627   return 0;
5628 }
5629 EOF
5630 if compile_prog "" "" ; then
5631     have_copy_file_range=yes
5632 fi
5633
5634 ##########################################
5635 # check if struct fsxattr is available via linux/fs.h
5636
5637 have_fsxattr=no
5638 cat > $TMPC << EOF
5639 #include <linux/fs.h>
5640 struct fsxattr foo;
5641 int main(void) {
5642   return 0;
5643 }
5644 EOF
5645 if compile_prog "" "" ; then
5646     have_fsxattr=yes
5647 fi
5648
5649 ##########################################
5650 # check for usable membarrier system call
5651 if test "$membarrier" = "yes"; then
5652     have_membarrier=no
5653     if test "$mingw32" = "yes" ; then
5654         have_membarrier=yes
5655     elif test "$linux" = "yes" ; then
5656         cat > $TMPC << EOF
5657     #include <linux/membarrier.h>
5658     #include <sys/syscall.h>
5659     #include <unistd.h>
5660     #include <stdlib.h>
5661     int main(void) {
5662         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5663         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5664         exit(0);
5665     }
5666 EOF
5667         if compile_prog "" "" ; then
5668             have_membarrier=yes
5669         fi
5670     fi
5671     if test "$have_membarrier" = "no"; then
5672       feature_not_found "membarrier" "membarrier system call not available"
5673     fi
5674 else
5675     # Do not enable it by default even for Mingw32, because it doesn't
5676     # work on Wine.
5677     membarrier=no
5678 fi
5679
5680 ##########################################
5681 # check if rtnetlink.h exists and is useful
5682 have_rtnetlink=no
5683 cat > $TMPC << EOF
5684 #include <linux/rtnetlink.h>
5685 int main(void) {
5686   return IFLA_PROTO_DOWN;
5687 }
5688 EOF
5689 if compile_prog "" "" ; then
5690     have_rtnetlink=yes
5691 fi
5692
5693 ##########################################
5694 # check for usable AF_VSOCK environment
5695 have_af_vsock=no
5696 cat > $TMPC << EOF
5697 #include <errno.h>
5698 #include <sys/types.h>
5699 #include <sys/socket.h>
5700 #if !defined(AF_VSOCK)
5701 # error missing AF_VSOCK flag
5702 #endif
5703 #include <linux/vm_sockets.h>
5704 int main(void) {
5705     int sock, ret;
5706     struct sockaddr_vm svm;
5707     socklen_t len = sizeof(svm);
5708     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5709     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5710     if ((ret == -1) && (errno == ENOTCONN)) {
5711         return 0;
5712     }
5713     return -1;
5714 }
5715 EOF
5716 if compile_prog "" "" ; then
5717     have_af_vsock=yes
5718 fi
5719
5720 ##########################################
5721 # check for usable AF_ALG environment
5722 hava_afalg=no
5723 cat > $TMPC << EOF
5724 #include <errno.h>
5725 #include <sys/types.h>
5726 #include <sys/socket.h>
5727 #include <linux/if_alg.h>
5728 int main(void) {
5729     int sock;
5730     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5731     return sock;
5732 }
5733 EOF
5734 if compile_prog "" "" ; then
5735     have_afalg=yes
5736 fi
5737 if test "$crypto_afalg" = "yes"
5738 then
5739     if test "$have_afalg" != "yes"
5740     then
5741         error_exit "AF_ALG requested but could not be detected"
5742     fi
5743 fi
5744
5745
5746 #################################################
5747 # Check to see if we have the Hypervisor framework
5748 if [ "$darwin" = "yes" ] ; then
5749   cat > $TMPC << EOF
5750 #include <Hypervisor/hv.h>
5751 int main() { return 0;}
5752 EOF
5753   if ! compile_object ""; then
5754     hvf='no'
5755   else
5756     hvf='yes'
5757     LDFLAGS="-framework Hypervisor $LDFLAGS"
5758   fi
5759 fi
5760
5761 #################################################
5762 # Sparc implicitly links with --relax, which is
5763 # incompatible with -r, so --no-relax should be
5764 # given. It does no harm to give it on other
5765 # platforms too.
5766
5767 # Note: the prototype is needed since QEMU_CFLAGS
5768 #       contains -Wmissing-prototypes
5769 cat > $TMPC << EOF
5770 extern int foo(void);
5771 int foo(void) { return 0; }
5772 EOF
5773 if ! compile_object ""; then
5774   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5775 fi
5776 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5777   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5778     LD_REL_FLAGS=$i
5779     break
5780   fi
5781 done
5782 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5783   feature_not_found "modules" "Cannot find how to build relocatable objects"
5784 fi
5785
5786 ##########################################
5787 # check for sysmacros.h
5788
5789 have_sysmacros=no
5790 cat > $TMPC << EOF
5791 #include <sys/sysmacros.h>
5792 int main(void) {
5793     return makedev(0, 0);
5794 }
5795 EOF
5796 if compile_prog "" "" ; then
5797     have_sysmacros=yes
5798 fi
5799
5800 ##########################################
5801 # Veritas HyperScale block driver VxHS
5802 # Check if libvxhs is installed
5803
5804 if test "$vxhs" != "no" ; then
5805   cat > $TMPC <<EOF
5806 #include <stdint.h>
5807 #include <qnio/qnio_api.h>
5808
5809 void *vxhs_callback;
5810
5811 int main(void) {
5812     iio_init(QNIO_VERSION, vxhs_callback);
5813     return 0;
5814 }
5815 EOF
5816   vxhs_libs="-lvxhs -lssl"
5817   if compile_prog "" "$vxhs_libs" ; then
5818     vxhs=yes
5819   else
5820     if test "$vxhs" = "yes" ; then
5821       feature_not_found "vxhs block device" "Install libvxhs See github"
5822     fi
5823     vxhs=no
5824   fi
5825 fi
5826
5827 ##########################################
5828 # check for _Static_assert()
5829
5830 have_static_assert=no
5831 cat > $TMPC << EOF
5832 _Static_assert(1, "success");
5833 int main(void) {
5834     return 0;
5835 }
5836 EOF
5837 if compile_prog "" "" ; then
5838     have_static_assert=yes
5839 fi
5840
5841 ##########################################
5842 # check for utmpx.h, it is missing e.g. on OpenBSD
5843
5844 have_utmpx=no
5845 cat > $TMPC << EOF
5846 #include <utmpx.h>
5847 struct utmpx user_info;
5848 int main(void) {
5849     return 0;
5850 }
5851 EOF
5852 if compile_prog "" "" ; then
5853     have_utmpx=yes
5854 fi
5855
5856 ##########################################
5857 # check for getrandom()
5858
5859 have_getrandom=no
5860 cat > $TMPC << EOF
5861 #include <sys/random.h>
5862 int main(void) {
5863     return getrandom(0, 0, GRND_NONBLOCK);
5864 }
5865 EOF
5866 if compile_prog "" "" ; then
5867     have_getrandom=yes
5868 fi
5869
5870 ##########################################
5871 # checks for sanitizers
5872
5873 have_asan=no
5874 have_ubsan=no
5875 have_asan_iface_h=no
5876 have_asan_iface_fiber=no
5877
5878 if test "$sanitizers" = "yes" ; then
5879   write_c_skeleton
5880   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5881       have_asan=yes
5882   fi
5883
5884   # we could use a simple skeleton for flags checks, but this also
5885   # detect the static linking issue of ubsan, see also:
5886   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5887   cat > $TMPC << EOF
5888 #include <stdlib.h>
5889 int main(void) {
5890     void *tmp = malloc(10);
5891     return *(int *)(tmp + 2);
5892 }
5893 EOF
5894   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5895       have_ubsan=yes
5896   fi
5897
5898   if check_include "sanitizer/asan_interface.h" ; then
5899       have_asan_iface_h=yes
5900   fi
5901
5902   cat > $TMPC << EOF
5903 #include <sanitizer/asan_interface.h>
5904 int main(void) {
5905   __sanitizer_start_switch_fiber(0, 0, 0);
5906   return 0;
5907 }
5908 EOF
5909   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5910       have_asan_iface_fiber=yes
5911   fi
5912 fi
5913
5914 ##########################################
5915 # check for libpmem
5916
5917 if test "$libpmem" != "no"; then
5918         if $pkg_config --exists "libpmem"; then
5919                 libpmem="yes"
5920                 libpmem_libs=$($pkg_config --libs libpmem)
5921                 libpmem_cflags=$($pkg_config --cflags libpmem)
5922                 libs_softmmu="$libs_softmmu $libpmem_libs"
5923                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5924         else
5925                 if test "$libpmem" = "yes" ; then
5926                         feature_not_found "libpmem" "Install nvml or pmdk"
5927                 fi
5928                 libpmem="no"
5929         fi
5930 fi
5931
5932 ##########################################
5933 # check for slirp
5934
5935 case "$slirp" in
5936   "" | yes)
5937     if $pkg_config slirp; then
5938       slirp=system
5939     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5940       slirp=git
5941     elif test -e "${source_path}/slirp/Makefile" ; then
5942       slirp=internal
5943     elif test -z "$slirp" ; then
5944       slirp=no
5945     else
5946       feature_not_found "slirp" "Install slirp devel or git submodule"
5947     fi
5948     ;;
5949
5950   system)
5951     if ! $pkg_config slirp; then
5952       feature_not_found "slirp" "Install slirp devel"
5953     fi
5954     ;;
5955 esac
5956
5957 case "$slirp" in
5958   git | internal)
5959     if test "$slirp" = git; then
5960       git_submodules="${git_submodules} slirp"
5961     fi
5962     mkdir -p slirp
5963     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
5964     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
5965     ;;
5966
5967   system)
5968     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
5969     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
5970     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
5971     ;;
5972
5973   no)
5974     ;;
5975   *)
5976     error_exit "Unknown state for slirp: $slirp"
5977     ;;
5978 esac
5979
5980
5981 ##########################################
5982 # End of CC checks
5983 # After here, no more $cc or $ld runs
5984
5985 write_c_skeleton
5986
5987 if test "$gcov" = "yes" ; then
5988   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5989   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5990 elif test "$fortify_source" = "yes" ; then
5991   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5992 elif test "$debug" = "no"; then
5993   CFLAGS="-O2 $CFLAGS"
5994 fi
5995
5996 if test "$have_asan" = "yes"; then
5997   CFLAGS="-fsanitize=address $CFLAGS"
5998   if test "$have_asan_iface_h" = "no" ; then
5999       echo "ASAN build enabled, but ASAN header missing." \
6000            "Without code annotation, the report may be inferior."
6001   elif test "$have_asan_iface_fiber" = "no" ; then
6002       echo "ASAN build enabled, but ASAN header is too old." \
6003            "Without code annotation, the report may be inferior."
6004   fi
6005 fi
6006 if test "$have_ubsan" = "yes"; then
6007   CFLAGS="-fsanitize=undefined $CFLAGS"
6008 fi
6009
6010 ##########################################
6011 # Do we have libnfs
6012 if test "$libnfs" != "no" ; then
6013   if $pkg_config --atleast-version=1.9.3 libnfs; then
6014     libnfs="yes"
6015     libnfs_libs=$($pkg_config --libs libnfs)
6016   else
6017     if test "$libnfs" = "yes" ; then
6018       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6019     fi
6020     libnfs="no"
6021   fi
6022 fi
6023
6024 ##########################################
6025 # Do we have libudev
6026 if test "$libudev" != "no" ; then
6027   if $pkg_config libudev && test "$static" != "yes"; then
6028     libudev="yes"
6029     libudev_libs=$($pkg_config --libs libudev)
6030   else
6031     libudev="no"
6032   fi
6033 fi
6034
6035 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6036 if test "$werror" = "yes"; then
6037     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6038 fi
6039
6040 if test "$solaris" = "no" ; then
6041     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6042         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6043     fi
6044 fi
6045
6046 # test if pod2man has --utf8 option
6047 if pod2man --help | grep -q utf8; then
6048     POD2MAN="pod2man --utf8"
6049 else
6050     POD2MAN="pod2man"
6051 fi
6052
6053 # Use ASLR, no-SEH and DEP if available
6054 if test "$mingw32" = "yes" ; then
6055     for flag in --dynamicbase --no-seh --nxcompat; do
6056         if ld_has $flag ; then
6057             LDFLAGS="-Wl,$flag $LDFLAGS"
6058         fi
6059     done
6060 fi
6061
6062 # Disable OpenBSD W^X if available
6063 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6064     cat > $TMPC <<EOF
6065     int main(void) { return 0; }
6066 EOF
6067     wx_ldflags="-Wl,-z,wxneeded"
6068     if compile_prog "" "$wx_ldflags"; then
6069         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6070     fi
6071 fi
6072
6073 qemu_confdir=$sysconfdir$confsuffix
6074 qemu_moddir=$libdir$confsuffix
6075 qemu_datadir=$datadir$confsuffix
6076 qemu_localedir="$datadir/locale"
6077 qemu_icondir="$datadir/icons"
6078 qemu_desktopdir="$datadir/applications"
6079
6080 # We can only support ivshmem if we have eventfd
6081 if [ "$eventfd" = "yes" ]; then
6082   ivshmem=yes
6083 fi
6084
6085 tools=""
6086 if test "$want_tools" = "yes" ; then
6087   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6088   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6089     tools="qemu-nbd\$(EXESUF) $tools"
6090   fi
6091   if [ "$ivshmem" = "yes" ]; then
6092     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6093   fi
6094   if [ "$curl" = "yes" ]; then
6095       tools="elf2dmp\$(EXESUF) $tools"
6096   fi
6097 fi
6098 if test "$softmmu" = yes ; then
6099   if test "$linux" = yes; then
6100     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
6101       virtfs=yes
6102       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6103     else
6104       if test "$virtfs" = yes; then
6105         error_exit "VirtFS requires libcap devel and libattr devel"
6106       fi
6107       virtfs=no
6108     fi
6109     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6110       mpath=yes
6111     else
6112       if test "$mpath" = yes; then
6113         error_exit "Multipath requires libmpathpersist devel"
6114       fi
6115       mpath=no
6116     fi
6117     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6118   else
6119     if test "$virtfs" = yes; then
6120       error_exit "VirtFS is supported only on Linux"
6121     fi
6122     virtfs=no
6123     if test "$mpath" = yes; then
6124       error_exit "Multipath is supported only on Linux"
6125     fi
6126     mpath=no
6127   fi
6128   if test "$xkbcommon" = "yes"; then
6129     tools="qemu-keymap\$(EXESUF) $tools"
6130   fi
6131 fi
6132
6133 # Probe for guest agent support/options
6134
6135 if [ "$guest_agent" != "no" ]; then
6136   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6137       guest_agent=no
6138   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6139       tools="qemu-ga\$(EXESUF) $tools"
6140       guest_agent=yes
6141   elif [ "$guest_agent" != yes ]; then
6142       guest_agent=no
6143   else
6144       error_exit "Guest agent is not supported on this platform"
6145   fi
6146 fi
6147
6148 # Guest agent Window MSI  package
6149
6150 if test "$guest_agent" != yes; then
6151   if test "$guest_agent_msi" = yes; then
6152     error_exit "MSI guest agent package requires guest agent enabled"
6153   fi
6154   guest_agent_msi=no
6155 elif test "$mingw32" != "yes"; then
6156   if test "$guest_agent_msi" = "yes"; then
6157     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6158   fi
6159   guest_agent_msi=no
6160 elif ! has wixl; then
6161   if test "$guest_agent_msi" = "yes"; then
6162     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6163   fi
6164   guest_agent_msi=no
6165 else
6166   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6167   # disabled explicitly
6168   if test "$guest_agent_msi" != "no"; then
6169     guest_agent_msi=yes
6170   fi
6171 fi
6172
6173 if test "$guest_agent_msi" = "yes"; then
6174   if test "$guest_agent_with_vss" = "yes"; then
6175     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6176   fi
6177
6178   if test "$QEMU_GA_MANUFACTURER" = ""; then
6179     QEMU_GA_MANUFACTURER=QEMU
6180   fi
6181
6182   if test "$QEMU_GA_DISTRO" = ""; then
6183     QEMU_GA_DISTRO=Linux
6184   fi
6185
6186   if test "$QEMU_GA_VERSION" = ""; then
6187       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6188   fi
6189
6190   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6191
6192   case "$cpu" in
6193   x86_64)
6194     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6195     ;;
6196   i386)
6197     QEMU_GA_MSI_ARCH="-D Arch=32"
6198     ;;
6199   *)
6200     error_exit "CPU $cpu not supported for building installation package"
6201     ;;
6202   esac
6203 fi
6204
6205 # Mac OS X ships with a broken assembler
6206 roms=
6207 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6208         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6209         test "$softmmu" = yes ; then
6210     # Different host OS linkers have different ideas about the name of the ELF
6211     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6212     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6213     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6214         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6215             ld_i386_emulation="$emu"
6216             roms="optionrom"
6217             break
6218         fi
6219     done
6220 fi
6221
6222 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6223 if test "$cpu" = "s390x" ; then
6224   write_c_skeleton
6225   if compile_prog "-march=z900" ""; then
6226     roms="$roms s390-ccw"
6227   fi
6228 fi
6229
6230 # Probe for the need for relocating the user-only binary.
6231 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6232   textseg_addr=
6233   case "$cpu" in
6234     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6235       # ??? Rationale for choosing this address
6236       textseg_addr=0x60000000
6237       ;;
6238     mips)
6239       # A 256M aligned address, high in the address space, with enough
6240       # room for the code_gen_buffer above it before the stack.
6241       textseg_addr=0x60000000
6242       ;;
6243   esac
6244   if [ -n "$textseg_addr" ]; then
6245     cat > $TMPC <<EOF
6246     int main(void) { return 0; }
6247 EOF
6248     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6249     if ! compile_prog "" "$textseg_ldflags"; then
6250       # In case ld does not support -Ttext-segment, edit the default linker
6251       # script via sed to set the .text start addr.  This is needed on FreeBSD
6252       # at least.
6253       if ! $ld --verbose >/dev/null 2>&1; then
6254         error_exit \
6255             "We need to link the QEMU user mode binaries at a" \
6256             "specific text address. Unfortunately your linker" \
6257             "doesn't support either the -Ttext-segment option or" \
6258             "printing the default linker script with --verbose." \
6259             "If you don't want the user mode binaries, pass the" \
6260             "--disable-user option to configure."
6261       fi
6262
6263       $ld --verbose | sed \
6264         -e '1,/==================================================/d' \
6265         -e '/==================================================/,$d' \
6266         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6267         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6268       textseg_ldflags="-Wl,-T../config-host.ld"
6269     fi
6270   fi
6271 fi
6272
6273 # Check that the C++ compiler exists and works with the C compiler.
6274 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6275 if has $cxx; then
6276     cat > $TMPC <<EOF
6277 int c_function(void);
6278 int main(void) { return c_function(); }
6279 EOF
6280
6281     compile_object
6282
6283     cat > $TMPCXX <<EOF
6284 extern "C" {
6285    int c_function(void);
6286 }
6287 int c_function(void) { return 42; }
6288 EOF
6289
6290     update_cxxflags
6291
6292     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6293         # C++ compiler $cxx works ok with C compiler $cc
6294         :
6295     else
6296         echo "C++ compiler $cxx does not work with C compiler $cc"
6297         echo "Disabling C++ specific optional code"
6298         cxx=
6299     fi
6300 else
6301     echo "No C++ compiler available; disabling C++ specific optional code"
6302     cxx=
6303 fi
6304
6305 echo_version() {
6306     if test "$1" = "yes" ; then
6307         echo "($2)"
6308     fi
6309 }
6310
6311 # prepend pixman and ftd flags after all config tests are done
6312 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6313 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6314 libs_softmmu="$pixman_libs $libs_softmmu"
6315
6316 echo "Install prefix    $prefix"
6317 echo "BIOS directory    $(eval echo $qemu_datadir)"
6318 echo "firmware path     $(eval echo $firmwarepath)"
6319 echo "binary directory  $(eval echo $bindir)"
6320 echo "library directory $(eval echo $libdir)"
6321 echo "module directory  $(eval echo $qemu_moddir)"
6322 echo "libexec directory $(eval echo $libexecdir)"
6323 echo "include directory $(eval echo $includedir)"
6324 echo "config directory  $(eval echo $sysconfdir)"
6325 if test "$mingw32" = "no" ; then
6326 echo "local state directory   $(eval echo $local_statedir)"
6327 echo "Manual directory  $(eval echo $mandir)"
6328 echo "ELF interp prefix $interp_prefix"
6329 else
6330 echo "local state directory   queried at runtime"
6331 echo "Windows SDK       $win_sdk"
6332 fi
6333 echo "Source path       $source_path"
6334 echo "GIT binary        $git"
6335 echo "GIT submodules    $git_submodules"
6336 echo "C compiler        $cc"
6337 echo "Host C compiler   $host_cc"
6338 echo "C++ compiler      $cxx"
6339 echo "Objective-C compiler $objcc"
6340 echo "ARFLAGS           $ARFLAGS"
6341 echo "CFLAGS            $CFLAGS"
6342 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6343 echo "LDFLAGS           $LDFLAGS"
6344 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6345 echo "make              $make"
6346 echo "install           $install"
6347 echo "python            $python ($python_version)"
6348 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6349 if test "$slirp" != "no" ; then
6350     echo "smbd              $smbd"
6351 fi
6352 echo "module support    $modules"
6353 echo "host CPU          $cpu"
6354 echo "host big endian   $bigendian"
6355 echo "target list       $target_list"
6356 echo "gprof enabled     $gprof"
6357 echo "sparse enabled    $sparse"
6358 echo "strip binaries    $strip_opt"
6359 echo "profiler          $profiler"
6360 echo "static build      $static"
6361 if test "$darwin" = "yes" ; then
6362     echo "Cocoa support     $cocoa"
6363 fi
6364 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6365 echo "SDL image support $sdl_image"
6366 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6367 echo "GTK GL support    $gtk_gl"
6368 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6369 echo "TLS priority      $tls_priority"
6370 echo "GNUTLS support    $gnutls"
6371 echo "libgcrypt         $gcrypt"
6372 if test "$gcrypt" = "yes"
6373 then
6374    echo "  hmac            $gcrypt_hmac"
6375    echo "  XTS             $gcrypt_xts"
6376 fi
6377 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6378 if test "$nettle" = "yes"
6379 then
6380    echo "  XTS             $nettle_xts"
6381 fi
6382 echo "libtasn1          $tasn1"
6383 echo "PAM               $auth_pam"
6384 echo "iconv support     $iconv"
6385 echo "curses support    $curses"
6386 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6387 echo "curl support      $curl"
6388 echo "mingw32 support   $mingw32"
6389 echo "Audio drivers     $audio_drv_list"
6390 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6391 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6392 echo "VirtFS support    $virtfs"
6393 echo "Multipath support $mpath"
6394 echo "VNC support       $vnc"
6395 if test "$vnc" = "yes" ; then
6396     echo "VNC SASL support  $vnc_sasl"
6397     echo "VNC JPEG support  $vnc_jpeg"
6398     echo "VNC PNG support   $vnc_png"
6399 fi
6400 echo "xen support       $xen"
6401 if test "$xen" = "yes" ; then
6402   echo "xen ctrl version  $xen_ctrl_version"
6403 fi
6404 echo "brlapi support    $brlapi"
6405 echo "bluez  support    $bluez"
6406 echo "Documentation     $docs"
6407 echo "PIE               $pie"
6408 echo "vde support       $vde"
6409 echo "netmap support    $netmap"
6410 echo "Linux AIO support $linux_aio"
6411 echo "ATTR/XATTR support $attr"
6412 echo "Install blobs     $blobs"
6413 echo "KVM support       $kvm"
6414 echo "HAX support       $hax"
6415 echo "HVF support       $hvf"
6416 echo "WHPX support      $whpx"
6417 echo "TCG support       $tcg"
6418 if test "$tcg" = "yes" ; then
6419     echo "TCG debug enabled $debug_tcg"
6420     echo "TCG interpreter   $tcg_interpreter"
6421 fi
6422 echo "malloc trim support $malloc_trim"
6423 echo "RDMA support      $rdma"
6424 echo "PVRDMA support    $pvrdma"
6425 echo "fdt support       $fdt"
6426 echo "membarrier        $membarrier"
6427 echo "preadv support    $preadv"
6428 echo "fdatasync         $fdatasync"
6429 echo "madvise           $madvise"
6430 echo "posix_madvise     $posix_madvise"
6431 echo "posix_memalign    $posix_memalign"
6432 echo "libcap-ng support $cap_ng"
6433 echo "vhost-net support $vhost_net"
6434 echo "vhost-crypto support $vhost_crypto"
6435 echo "vhost-scsi support $vhost_scsi"
6436 echo "vhost-vsock support $vhost_vsock"
6437 echo "vhost-user support $vhost_user"
6438 echo "vhost-user-fs support $vhost_user_fs"
6439 echo "Trace backends    $trace_backends"
6440 if have_backend "simple"; then
6441 echo "Trace output file $trace_file-<pid>"
6442 fi
6443 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6444 echo "rbd support       $rbd"
6445 echo "xfsctl support    $xfs"
6446 echo "smartcard support $smartcard"
6447 echo "libusb            $libusb"
6448 echo "usb net redir     $usb_redir"
6449 echo "OpenGL support    $opengl"
6450 echo "OpenGL dmabufs    $opengl_dmabuf"
6451 echo "libiscsi support  $libiscsi"
6452 echo "libnfs support    $libnfs"
6453 echo "build guest agent $guest_agent"
6454 echo "QGA VSS support   $guest_agent_with_vss"
6455 echo "QGA w32 disk info $guest_agent_ntddscsi"
6456 echo "QGA MSI support   $guest_agent_msi"
6457 echo "seccomp support   $seccomp"
6458 echo "coroutine backend $coroutine"
6459 echo "coroutine pool    $coroutine_pool"
6460 echo "debug stack usage $debug_stack_usage"
6461 echo "mutex debugging   $debug_mutex"
6462 echo "crypto afalg      $crypto_afalg"
6463 echo "GlusterFS support $glusterfs"
6464 echo "gcov              $gcov_tool"
6465 echo "gcov enabled      $gcov"
6466 echo "TPM support       $tpm"
6467 echo "libssh support    $libssh"
6468 echo "QOM debugging     $qom_cast_debug"
6469 echo "Live block migration $live_block_migration"
6470 echo "lzo support       $lzo"
6471 echo "snappy support    $snappy"
6472 echo "bzip2 support     $bzip2"
6473 echo "lzfse support     $lzfse"
6474 echo "NUMA host support $numa"
6475 echo "libxml2           $libxml2"
6476 echo "tcmalloc support  $tcmalloc"
6477 echo "jemalloc support  $jemalloc"
6478 echo "avx2 optimization $avx2_opt"
6479 echo "replication support $replication"
6480 echo "VxHS block device $vxhs"
6481 echo "bochs support     $bochs"
6482 echo "cloop support     $cloop"
6483 echo "dmg support       $dmg"
6484 echo "qcow v1 support   $qcow1"
6485 echo "vdi support       $vdi"
6486 echo "vvfat support     $vvfat"
6487 echo "qed support       $qed"
6488 echo "parallels support $parallels"
6489 echo "sheepdog support  $sheepdog"
6490 echo "capstone          $capstone"
6491 echo "libpmem support   $libpmem"
6492 echo "libudev           $libudev"
6493 echo "default devices   $default_devices"
6494
6495 if test "$supported_cpu" = "no"; then
6496     echo
6497     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6498     echo
6499     echo "CPU host architecture $cpu support is not currently maintained."
6500     echo "The QEMU project intends to remove support for this host CPU in"
6501     echo "a future release if nobody volunteers to maintain it and to"
6502     echo "provide a build host for our continuous integration setup."
6503     echo "configure has succeeded and you can continue to build, but"
6504     echo "if you care about QEMU on this platform you should contact"
6505     echo "us upstream at qemu-devel@nongnu.org."
6506 fi
6507
6508 if test "$supported_os" = "no"; then
6509     echo
6510     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6511     echo
6512     echo "Host OS $targetos support is not currently maintained."
6513     echo "The QEMU project intends to remove support for this host OS in"
6514     echo "a future release if nobody volunteers to maintain it and to"
6515     echo "provide a build host for our continuous integration setup."
6516     echo "configure has succeeded and you can continue to build, but"
6517     echo "if you care about QEMU on this platform you should contact"
6518     echo "us upstream at qemu-devel@nongnu.org."
6519 fi
6520
6521 # Note that if the Python conditional here evaluates True we will exit
6522 # with status 1 which is a shell 'false' value.
6523 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,0))'; then
6524   echo
6525   echo "warning: Python 2 support is deprecated" >&2
6526   echo "warning: Python 3 will be required for building future versions of QEMU" >&2
6527   python2="y"
6528 fi
6529
6530 config_host_mak="config-host.mak"
6531
6532 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6533
6534 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6535 echo >> $config_host_mak
6536
6537 echo all: >> $config_host_mak
6538 echo "prefix=$prefix" >> $config_host_mak
6539 echo "bindir=$bindir" >> $config_host_mak
6540 echo "libdir=$libdir" >> $config_host_mak
6541 echo "libexecdir=$libexecdir" >> $config_host_mak
6542 echo "includedir=$includedir" >> $config_host_mak
6543 echo "mandir=$mandir" >> $config_host_mak
6544 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6545 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6546 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6547 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6548 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6549 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6550 if test "$mingw32" = "no" ; then
6551   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6552 fi
6553 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6554 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6555 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6556 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6557 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6558 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6559 echo "GIT=$git" >> $config_host_mak
6560 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6561 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6562
6563 echo "ARCH=$ARCH" >> $config_host_mak
6564
6565 if test "$default_devices" = "yes" ; then
6566   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6567 else
6568   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6569 fi
6570 if test "$debug_tcg" = "yes" ; then
6571   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6572 fi
6573 if test "$strip_opt" = "yes" ; then
6574   echo "STRIP=${strip}" >> $config_host_mak
6575 fi
6576 if test "$bigendian" = "yes" ; then
6577   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6578 fi
6579 if test "$mingw32" = "yes" ; then
6580   echo "CONFIG_WIN32=y" >> $config_host_mak
6581   rc_version=$(cat $source_path/VERSION)
6582   version_major=${rc_version%%.*}
6583   rc_version=${rc_version#*.}
6584   version_minor=${rc_version%%.*}
6585   rc_version=${rc_version#*.}
6586   version_subminor=${rc_version%%.*}
6587   version_micro=0
6588   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6589   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6590   if test "$guest_agent_with_vss" = "yes" ; then
6591     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6592     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6593     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6594   fi
6595   if test "$guest_agent_ntddscsi" = "yes" ; then
6596     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6597   fi
6598   if test "$guest_agent_msi" = "yes"; then
6599     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6600     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6601     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6602     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6603     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6604     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6605     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6606   fi
6607 else
6608   echo "CONFIG_POSIX=y" >> $config_host_mak
6609 fi
6610
6611 if test "$linux" = "yes" ; then
6612   echo "CONFIG_LINUX=y" >> $config_host_mak
6613 fi
6614
6615 if test "$darwin" = "yes" ; then
6616   echo "CONFIG_DARWIN=y" >> $config_host_mak
6617 fi
6618
6619 if test "$solaris" = "yes" ; then
6620   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6621 fi
6622 if test "$haiku" = "yes" ; then
6623   echo "CONFIG_HAIKU=y" >> $config_host_mak
6624 fi
6625 if test "$static" = "yes" ; then
6626   echo "CONFIG_STATIC=y" >> $config_host_mak
6627 fi
6628 if test "$profiler" = "yes" ; then
6629   echo "CONFIG_PROFILER=y" >> $config_host_mak
6630 fi
6631 if test "$want_tools" = "yes" ; then
6632   echo "CONFIG_TOOLS=y" >> $config_host_mak
6633 fi
6634 if test "$slirp" != "no"; then
6635   echo "CONFIG_SLIRP=y" >> $config_host_mak
6636   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6637   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6638   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6639 fi
6640 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6641     echo "config-host.h: slirp/all" >> $config_host_mak
6642 fi
6643 if test "$vde" = "yes" ; then
6644   echo "CONFIG_VDE=y" >> $config_host_mak
6645   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6646 fi
6647 if test "$netmap" = "yes" ; then
6648   echo "CONFIG_NETMAP=y" >> $config_host_mak
6649 fi
6650 if test "$l2tpv3" = "yes" ; then
6651   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6652 fi
6653 if test "$cap_ng" = "yes" ; then
6654   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6655 fi
6656 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6657 for drv in $audio_drv_list; do
6658     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6659     case "$drv" in
6660         alsa | oss | pa | sdl)
6661             echo "$def=m" >> $config_host_mak ;;
6662         *)
6663             echo "$def=y" >> $config_host_mak ;;
6664     esac
6665 done
6666 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6667 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6668 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6669 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6670 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6671 if test "$audio_win_int" = "yes" ; then
6672   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6673 fi
6674 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6675 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6676 if test "$vnc" = "yes" ; then
6677   echo "CONFIG_VNC=y" >> $config_host_mak
6678 fi
6679 if test "$vnc_sasl" = "yes" ; then
6680   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6681 fi
6682 if test "$vnc_jpeg" = "yes" ; then
6683   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6684 fi
6685 if test "$vnc_png" = "yes" ; then
6686   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6687 fi
6688 if test "$xkbcommon" = "yes" ; then
6689   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6690   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6691 fi
6692 if test "$xfs" = "yes" ; then
6693   echo "CONFIG_XFS=y" >> $config_host_mak
6694 fi
6695 qemu_version=$(head $source_path/VERSION)
6696 echo "VERSION=$qemu_version" >>$config_host_mak
6697 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6698 echo "SRC_PATH=$source_path" >> $config_host_mak
6699 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6700 if [ "$docs" = "yes" ] ; then
6701   echo "BUILD_DOCS=yes" >> $config_host_mak
6702 fi
6703 if test "$modules" = "yes"; then
6704   # $shacmd can generate a hash started with digit, which the compiler doesn't
6705   # like as an symbol. So prefix it with an underscore
6706   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6707   echo "CONFIG_MODULES=y" >> $config_host_mak
6708 fi
6709 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6710   echo "CONFIG_X11=y" >> $config_host_mak
6711   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6712   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6713 fi
6714 if test "$sdl" = "yes" ; then
6715   echo "CONFIG_SDL=m" >> $config_host_mak
6716   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6717   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6718   if test "$sdl_image" = "yes" ; then
6719       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6720   fi
6721 fi
6722 if test "$cocoa" = "yes" ; then
6723   echo "CONFIG_COCOA=y" >> $config_host_mak
6724 fi
6725 if test "$iconv" = "yes" ; then
6726   echo "CONFIG_ICONV=y" >> $config_host_mak
6727   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6728   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6729 fi
6730 if test "$curses" = "yes" ; then
6731   echo "CONFIG_CURSES=m" >> $config_host_mak
6732   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6733   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6734 fi
6735 if test "$pipe2" = "yes" ; then
6736   echo "CONFIG_PIPE2=y" >> $config_host_mak
6737 fi
6738 if test "$accept4" = "yes" ; then
6739   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6740 fi
6741 if test "$splice" = "yes" ; then
6742   echo "CONFIG_SPLICE=y" >> $config_host_mak
6743 fi
6744 if test "$eventfd" = "yes" ; then
6745   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6746 fi
6747 if test "$memfd" = "yes" ; then
6748   echo "CONFIG_MEMFD=y" >> $config_host_mak
6749 fi
6750 if test "$have_usbfs" = "yes" ; then
6751   echo "CONFIG_USBFS=y" >> $config_host_mak
6752 fi
6753 if test "$fallocate" = "yes" ; then
6754   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6755 fi
6756 if test "$fallocate_punch_hole" = "yes" ; then
6757   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6758 fi
6759 if test "$fallocate_zero_range" = "yes" ; then
6760   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6761 fi
6762 if test "$posix_fallocate" = "yes" ; then
6763   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6764 fi
6765 if test "$sync_file_range" = "yes" ; then
6766   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6767 fi
6768 if test "$fiemap" = "yes" ; then
6769   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6770 fi
6771 if test "$dup3" = "yes" ; then
6772   echo "CONFIG_DUP3=y" >> $config_host_mak
6773 fi
6774 if test "$ppoll" = "yes" ; then
6775   echo "CONFIG_PPOLL=y" >> $config_host_mak
6776 fi
6777 if test "$prctl_pr_set_timerslack" = "yes" ; then
6778   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6779 fi
6780 if test "$epoll" = "yes" ; then
6781   echo "CONFIG_EPOLL=y" >> $config_host_mak
6782 fi
6783 if test "$epoll_create1" = "yes" ; then
6784   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6785 fi
6786 if test "$sendfile" = "yes" ; then
6787   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6788 fi
6789 if test "$timerfd" = "yes" ; then
6790   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6791 fi
6792 if test "$setns" = "yes" ; then
6793   echo "CONFIG_SETNS=y" >> $config_host_mak
6794 fi
6795 if test "$clock_adjtime" = "yes" ; then
6796   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6797 fi
6798 if test "$syncfs" = "yes" ; then
6799   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6800 fi
6801 if test "$inotify" = "yes" ; then
6802   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6803 fi
6804 if test "$inotify1" = "yes" ; then
6805   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6806 fi
6807 if test "$sem_timedwait" = "yes" ; then
6808   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6809 fi
6810 if test "$strchrnul" = "yes" ; then
6811   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6812 fi
6813 if test "$byteswap_h" = "yes" ; then
6814   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6815 fi
6816 if test "$bswap_h" = "yes" ; then
6817   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6818 fi
6819 if test "$curl" = "yes" ; then
6820   echo "CONFIG_CURL=m" >> $config_host_mak
6821   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6822   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6823 fi
6824 if test "$brlapi" = "yes" ; then
6825   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6826   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6827 fi
6828 if test "$bluez" = "yes" ; then
6829   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6830   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6831 fi
6832 if test "$gtk" = "yes" ; then
6833   echo "CONFIG_GTK=m" >> $config_host_mak
6834   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6835   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6836   if test "$gtk_gl" = "yes" ; then
6837     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6838   fi
6839 fi
6840 if test "$gio" = "yes" ; then
6841     echo "CONFIG_GIO=y" >> $config_host_mak
6842     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6843     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6844 fi
6845 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6846 if test "$gnutls" = "yes" ; then
6847   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6848 fi
6849 if test "$gcrypt" = "yes" ; then
6850   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6851   if test "$gcrypt_hmac" = "yes" ; then
6852     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6853   fi
6854 fi
6855 if test "$nettle" = "yes" ; then
6856   echo "CONFIG_NETTLE=y" >> $config_host_mak
6857   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6858 fi
6859 if test "$qemu_private_xts" = "yes" ; then
6860   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6861 fi
6862 if test "$tasn1" = "yes" ; then
6863   echo "CONFIG_TASN1=y" >> $config_host_mak
6864 fi
6865 if test "$auth_pam" = "yes" ; then
6866     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6867 fi
6868 if test "$have_ifaddrs_h" = "yes" ; then
6869     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6870 fi
6871 if test "$have_broken_size_max" = "yes" ; then
6872     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6873 fi
6874
6875 # Work around a system header bug with some kernel/XFS header
6876 # versions where they both try to define 'struct fsxattr':
6877 # xfs headers will not try to redefine structs from linux headers
6878 # if this macro is set.
6879 if test "$have_fsxattr" = "yes" ; then
6880     echo "HAVE_FSXATTR=y" >> $config_host_mak
6881 fi
6882 if test "$have_copy_file_range" = "yes" ; then
6883     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6884 fi
6885 if test "$vte" = "yes" ; then
6886   echo "CONFIG_VTE=y" >> $config_host_mak
6887   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6888   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6889 fi
6890 if test "$virglrenderer" = "yes" ; then
6891   echo "CONFIG_VIRGL=y" >> $config_host_mak
6892   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6893   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6894 fi
6895 if test "$xen" = "yes" ; then
6896   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6897   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6898 fi
6899 if test "$linux_aio" = "yes" ; then
6900   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6901 fi
6902 if test "$attr" = "yes" ; then
6903   echo "CONFIG_ATTR=y" >> $config_host_mak
6904 fi
6905 if test "$libattr" = "yes" ; then
6906   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6907 fi
6908 if test "$virtfs" = "yes" ; then
6909   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6910 fi
6911 if test "$mpath" = "yes" ; then
6912   echo "CONFIG_MPATH=y" >> $config_host_mak
6913   if test "$mpathpersist_new_api" = "yes"; then
6914     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6915   fi
6916 fi
6917 if test "$vhost_scsi" = "yes" ; then
6918   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6919 fi
6920 if test "$vhost_net" = "yes" ; then
6921   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6922 fi
6923 if test "$vhost_net_user" = "yes" ; then
6924   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6925 fi
6926 if test "$vhost_crypto" = "yes" ; then
6927   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6928 fi
6929 if test "$vhost_vsock" = "yes" ; then
6930   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6931 fi
6932 if test "$vhost_kernel" = "yes" ; then
6933   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6934 fi
6935 if test "$vhost_user" = "yes" ; then
6936   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6937 fi
6938 if test "$vhost_user_fs" = "yes" ; then
6939   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6940 fi
6941 if test "$blobs" = "yes" ; then
6942   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6943 fi
6944 if test "$iovec" = "yes" ; then
6945   echo "CONFIG_IOVEC=y" >> $config_host_mak
6946 fi
6947 if test "$preadv" = "yes" ; then
6948   echo "CONFIG_PREADV=y" >> $config_host_mak
6949 fi
6950 if test "$fdt" != "no" ; then
6951   echo "CONFIG_FDT=y" >> $config_host_mak
6952 fi
6953 if test "$membarrier" = "yes" ; then
6954   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6955 fi
6956 if test "$signalfd" = "yes" ; then
6957   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6958 fi
6959 if test "$optreset" = "yes" ; then
6960   echo "HAVE_OPTRESET=y" >> $config_host_mak
6961 fi
6962 if test "$tcg" = "yes"; then
6963   echo "CONFIG_TCG=y" >> $config_host_mak
6964   if test "$tcg_interpreter" = "yes" ; then
6965     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6966   fi
6967 fi
6968 if test "$fdatasync" = "yes" ; then
6969   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6970 fi
6971 if test "$madvise" = "yes" ; then
6972   echo "CONFIG_MADVISE=y" >> $config_host_mak
6973 fi
6974 if test "$posix_madvise" = "yes" ; then
6975   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6976 fi
6977 if test "$posix_memalign" = "yes" ; then
6978   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6979 fi
6980
6981 if test "$spice" = "yes" ; then
6982   echo "CONFIG_SPICE=y" >> $config_host_mak
6983 fi
6984
6985 if test "$smartcard" = "yes" ; then
6986   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6987   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6988   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6989 fi
6990
6991 if test "$libusb" = "yes" ; then
6992   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6993   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6994   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6995 fi
6996
6997 if test "$usb_redir" = "yes" ; then
6998   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6999   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7000   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7001 fi
7002
7003 if test "$opengl" = "yes" ; then
7004   echo "CONFIG_OPENGL=y" >> $config_host_mak
7005   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7006   if test "$opengl_dmabuf" = "yes" ; then
7007     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7008   fi
7009 fi
7010
7011 if test "$gbm" = "yes" ; then
7012     echo "CONFIG_GBM=y" >> $config_host_mak
7013     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7014     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7015 fi
7016
7017
7018 if test "$malloc_trim" = "yes" ; then
7019   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7020 fi
7021
7022 if test "$avx2_opt" = "yes" ; then
7023   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7024 fi
7025
7026 if test "$lzo" = "yes" ; then
7027   echo "CONFIG_LZO=y" >> $config_host_mak
7028 fi
7029
7030 if test "$snappy" = "yes" ; then
7031   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7032 fi
7033
7034 if test "$bzip2" = "yes" ; then
7035   echo "CONFIG_BZIP2=y" >> $config_host_mak
7036   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7037 fi
7038
7039 if test "$lzfse" = "yes" ; then
7040   echo "CONFIG_LZFSE=y" >> $config_host_mak
7041   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7042 fi
7043
7044 if test "$libiscsi" = "yes" ; then
7045   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7046   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7047   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7048 fi
7049
7050 if test "$libnfs" = "yes" ; then
7051   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7052   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7053 fi
7054
7055 if test "$seccomp" = "yes"; then
7056   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7057   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7058   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7059 fi
7060
7061 # XXX: suppress that
7062 if [ "$bsd" = "yes" ] ; then
7063   echo "CONFIG_BSD=y" >> $config_host_mak
7064 fi
7065
7066 if test "$localtime_r" = "yes" ; then
7067   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7068 fi
7069 if test "$qom_cast_debug" = "yes" ; then
7070   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7071 fi
7072 if test "$rbd" = "yes" ; then
7073   echo "CONFIG_RBD=m" >> $config_host_mak
7074   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7075   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7076 fi
7077
7078 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7079 if test "$coroutine_pool" = "yes" ; then
7080   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7081 else
7082   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7083 fi
7084
7085 if test "$debug_stack_usage" = "yes" ; then
7086   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7087 fi
7088
7089 if test "$crypto_afalg" = "yes" ; then
7090   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7091 fi
7092
7093 if test "$open_by_handle_at" = "yes" ; then
7094   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7095 fi
7096
7097 if test "$linux_magic_h" = "yes" ; then
7098   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7099 fi
7100
7101 if test "$pragma_diagnostic_available" = "yes" ; then
7102   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7103 fi
7104
7105 if test "$valgrind_h" = "yes" ; then
7106   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7107 fi
7108
7109 if test "$have_asan_iface_fiber" = "yes" ; then
7110     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7111 fi
7112
7113 if test "$has_environ" = "yes" ; then
7114   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7115 fi
7116
7117 if test "$cpuid_h" = "yes" ; then
7118   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7119 fi
7120
7121 if test "$int128" = "yes" ; then
7122   echo "CONFIG_INT128=y" >> $config_host_mak
7123 fi
7124
7125 if test "$atomic128" = "yes" ; then
7126   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7127 fi
7128
7129 if test "$cmpxchg128" = "yes" ; then
7130   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7131 fi
7132
7133 if test "$atomic64" = "yes" ; then
7134   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7135 fi
7136
7137 if test "$vector16" = "yes" ; then
7138   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7139 fi
7140
7141 if test "$attralias" = "yes" ; then
7142   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7143 fi
7144
7145 if test "$getauxval" = "yes" ; then
7146   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7147 fi
7148
7149 if test "$glusterfs" = "yes" ; then
7150   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7151   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7152   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7153 fi
7154
7155 if test "$glusterfs_xlator_opt" = "yes" ; then
7156   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7157 fi
7158
7159 if test "$glusterfs_discard" = "yes" ; then
7160   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7161 fi
7162
7163 if test "$glusterfs_fallocate" = "yes" ; then
7164   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7165 fi
7166
7167 if test "$glusterfs_zerofill" = "yes" ; then
7168   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7169 fi
7170
7171 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7172   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7173 fi
7174
7175 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7176   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7177 fi
7178
7179 if test "$libssh" = "yes" ; then
7180   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7181   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7182   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7183 fi
7184
7185 if test "$live_block_migration" = "yes" ; then
7186   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7187 fi
7188
7189 if test "$tpm" = "yes"; then
7190   echo 'CONFIG_TPM=y' >> $config_host_mak
7191 fi
7192
7193 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7194 if have_backend "nop"; then
7195   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7196 fi
7197 if have_backend "simple"; then
7198   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7199   # Set the appropriate trace file.
7200   trace_file="\"$trace_file-\" FMT_pid"
7201 fi
7202 if have_backend "log"; then
7203   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7204 fi
7205 if have_backend "ust"; then
7206   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7207 fi
7208 if have_backend "dtrace"; then
7209   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7210   if test "$trace_backend_stap" = "yes" ; then
7211     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7212   fi
7213 fi
7214 if have_backend "ftrace"; then
7215   if test "$linux" = "yes" ; then
7216     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7217   else
7218     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7219   fi
7220 fi
7221 if have_backend "syslog"; then
7222   if test "$posix_syslog" = "yes" ; then
7223     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7224   else
7225     feature_not_found "syslog(trace backend)" "syslog not available"
7226   fi
7227 fi
7228 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7229
7230 if test "$rdma" = "yes" ; then
7231   echo "CONFIG_RDMA=y" >> $config_host_mak
7232   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7233 fi
7234
7235 if test "$pvrdma" = "yes" ; then
7236   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7237 fi
7238
7239 if test "$have_rtnetlink" = "yes" ; then
7240   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7241 fi
7242
7243 if test "$libxml2" = "yes" ; then
7244   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7245   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7246   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7247 fi
7248
7249 if test "$replication" = "yes" ; then
7250   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7251 fi
7252
7253 if test "$have_af_vsock" = "yes" ; then
7254   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7255 fi
7256
7257 if test "$have_sysmacros" = "yes" ; then
7258   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7259 fi
7260
7261 if test "$have_static_assert" = "yes" ; then
7262   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7263 fi
7264
7265 if test "$have_utmpx" = "yes" ; then
7266   echo "HAVE_UTMPX=y" >> $config_host_mak
7267 fi
7268 if test "$have_getrandom" = "yes" ; then
7269   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7270 fi
7271 if test "$ivshmem" = "yes" ; then
7272   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7273 fi
7274 if test "$capstone" != "no" ; then
7275   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7276 fi
7277 if test "$debug_mutex" = "yes" ; then
7278   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7279 fi
7280
7281 # Hold two types of flag:
7282 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7283 #                                     a thread we have a handle to
7284 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7285 #                                     platform
7286 if test "$pthread_setname_np_w_tid" = "yes" ; then
7287   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7288   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7289 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7290   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7291   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7292 fi
7293
7294 if test "$vxhs" = "yes" ; then
7295   echo "CONFIG_VXHS=y" >> $config_host_mak
7296   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7297 fi
7298
7299 if test "$libpmem" = "yes" ; then
7300   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7301 fi
7302
7303 if test "$bochs" = "yes" ; then
7304   echo "CONFIG_BOCHS=y" >> $config_host_mak
7305 fi
7306 if test "$cloop" = "yes" ; then
7307   echo "CONFIG_CLOOP=y" >> $config_host_mak
7308 fi
7309 if test "$dmg" = "yes" ; then
7310   echo "CONFIG_DMG=y" >> $config_host_mak
7311 fi
7312 if test "$qcow1" = "yes" ; then
7313   echo "CONFIG_QCOW1=y" >> $config_host_mak
7314 fi
7315 if test "$vdi" = "yes" ; then
7316   echo "CONFIG_VDI=y" >> $config_host_mak
7317 fi
7318 if test "$vvfat" = "yes" ; then
7319   echo "CONFIG_VVFAT=y" >> $config_host_mak
7320 fi
7321 if test "$qed" = "yes" ; then
7322   echo "CONFIG_QED=y" >> $config_host_mak
7323 fi
7324 if test "$parallels" = "yes" ; then
7325   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7326 fi
7327 if test "$sheepdog" = "yes" ; then
7328   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7329 fi
7330
7331 if test "$tcg_interpreter" = "yes"; then
7332   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7333 elif test "$ARCH" = "sparc64" ; then
7334   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7335 elif test "$ARCH" = "s390x" ; then
7336   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7337 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7338   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7339 elif test "$ARCH" = "ppc64" ; then
7340   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7341 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7342   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7343 else
7344   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7345 fi
7346 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7347
7348 echo "TOOLS=$tools" >> $config_host_mak
7349 echo "ROMS=$roms" >> $config_host_mak
7350 echo "MAKE=$make" >> $config_host_mak
7351 echo "INSTALL=$install" >> $config_host_mak
7352 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7353 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7354 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7355 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7356 echo "PYTHON=$python" >> $config_host_mak
7357 echo "PYTHON2=$python2" >> $config_host_mak
7358 echo "CC=$cc" >> $config_host_mak
7359 if $iasl -h > /dev/null 2>&1; then
7360   echo "IASL=$iasl" >> $config_host_mak
7361 fi
7362 echo "HOST_CC=$host_cc" >> $config_host_mak
7363 echo "CXX=$cxx" >> $config_host_mak
7364 echo "OBJCC=$objcc" >> $config_host_mak
7365 echo "AR=$ar" >> $config_host_mak
7366 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7367 echo "AS=$as" >> $config_host_mak
7368 echo "CCAS=$ccas" >> $config_host_mak
7369 echo "CPP=$cpp" >> $config_host_mak
7370 echo "OBJCOPY=$objcopy" >> $config_host_mak
7371 echo "LD=$ld" >> $config_host_mak
7372 echo "RANLIB=$ranlib" >> $config_host_mak
7373 echo "NM=$nm" >> $config_host_mak
7374 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7375 echo "WINDRES=$windres" >> $config_host_mak
7376 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7377 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7378 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7379 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7380 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7381 if test "$sparse" = "yes" ; then
7382   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7383   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7384   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7385   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7386   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7387 fi
7388 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7389 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7390 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7391 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7392 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7393 echo "LIBS+=$LIBS" >> $config_host_mak
7394 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7395 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7396 echo "EXESUF=$EXESUF" >> $config_host_mak
7397 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7398 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7399 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7400 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7401 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7402 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7403 if test "$gcov" = "yes" ; then
7404   echo "CONFIG_GCOV=y" >> $config_host_mak
7405   echo "GCOV=$gcov_tool" >> $config_host_mak
7406 fi
7407
7408 if test "$libudev" != "no"; then
7409     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7410     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7411 fi
7412
7413 # use included Linux headers
7414 if test "$linux" = "yes" ; then
7415   mkdir -p linux-headers
7416   case "$cpu" in
7417   i386|x86_64|x32)
7418     linux_arch=x86
7419     ;;
7420   ppc|ppc64|ppc64le)
7421     linux_arch=powerpc
7422     ;;
7423   s390x)
7424     linux_arch=s390
7425     ;;
7426   aarch64)
7427     linux_arch=arm64
7428     ;;
7429   mips64)
7430     linux_arch=mips
7431     ;;
7432   *)
7433     # For most CPUs the kernel architecture name and QEMU CPU name match.
7434     linux_arch="$cpu"
7435     ;;
7436   esac
7437     # For non-KVM architectures we will not have asm headers
7438     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7439       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7440     fi
7441 fi
7442
7443 for target in $target_list; do
7444 target_dir="$target"
7445 config_target_mak=$target_dir/config-target.mak
7446 target_name=$(echo $target | cut -d '-' -f 1)
7447 target_aligned_only="no"
7448 case "$target_name" in
7449   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7450   target_aligned_only="yes"
7451   ;;
7452 esac
7453 target_bigendian="no"
7454 case "$target_name" in
7455   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7456   target_bigendian="yes"
7457   ;;
7458 esac
7459 target_softmmu="no"
7460 target_user_only="no"
7461 target_linux_user="no"
7462 target_bsd_user="no"
7463 case "$target" in
7464   ${target_name}-softmmu)
7465     target_softmmu="yes"
7466     ;;
7467   ${target_name}-linux-user)
7468     target_user_only="yes"
7469     target_linux_user="yes"
7470     ;;
7471   ${target_name}-bsd-user)
7472     target_user_only="yes"
7473     target_bsd_user="yes"
7474     ;;
7475   *)
7476     error_exit "Target '$target' not recognised"
7477     exit 1
7478     ;;
7479 esac
7480
7481 mkdir -p $target_dir
7482 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7483
7484 bflt="no"
7485 mttcg="no"
7486 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7487 gdb_xml_files=""
7488
7489 TARGET_ARCH="$target_name"
7490 TARGET_BASE_ARCH=""
7491 TARGET_ABI_DIR=""
7492
7493 case "$target_name" in
7494   i386)
7495     mttcg="yes"
7496         gdb_xml_files="i386-32bit.xml"
7497   ;;
7498   x86_64)
7499     TARGET_BASE_ARCH=i386
7500     mttcg="yes"
7501         gdb_xml_files="i386-64bit.xml"
7502   ;;
7503   alpha)
7504     mttcg="yes"
7505   ;;
7506   arm|armeb)
7507     TARGET_ARCH=arm
7508     bflt="yes"
7509     mttcg="yes"
7510     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7511   ;;
7512   aarch64|aarch64_be)
7513     TARGET_ARCH=aarch64
7514     TARGET_BASE_ARCH=arm
7515     bflt="yes"
7516     mttcg="yes"
7517     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7518   ;;
7519   cris)
7520   ;;
7521   hppa)
7522     mttcg="yes"
7523   ;;
7524   lm32)
7525   ;;
7526   m68k)
7527     bflt="yes"
7528     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7529   ;;
7530   microblaze|microblazeel)
7531     TARGET_ARCH=microblaze
7532     bflt="yes"
7533     echo "TARGET_ABI32=y" >> $config_target_mak
7534   ;;
7535   mips|mipsel)
7536     mttcg="yes"
7537     TARGET_ARCH=mips
7538     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7539   ;;
7540   mipsn32|mipsn32el)
7541     mttcg="yes"
7542     TARGET_ARCH=mips64
7543     TARGET_BASE_ARCH=mips
7544     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7545     echo "TARGET_ABI32=y" >> $config_target_mak
7546   ;;
7547   mips64|mips64el)
7548     mttcg="yes"
7549     TARGET_ARCH=mips64
7550     TARGET_BASE_ARCH=mips
7551     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7552   ;;
7553   moxie)
7554   ;;
7555   nios2)
7556   ;;
7557   or1k)
7558     TARGET_ARCH=openrisc
7559     TARGET_BASE_ARCH=openrisc
7560   ;;
7561   ppc)
7562     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7563   ;;
7564   ppc64)
7565     TARGET_BASE_ARCH=ppc
7566     TARGET_ABI_DIR=ppc
7567     mttcg=yes
7568     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7569   ;;
7570   ppc64le)
7571     TARGET_ARCH=ppc64
7572     TARGET_BASE_ARCH=ppc
7573     TARGET_ABI_DIR=ppc
7574     mttcg=yes
7575     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7576   ;;
7577   ppc64abi32)
7578     TARGET_ARCH=ppc64
7579     TARGET_BASE_ARCH=ppc
7580     TARGET_ABI_DIR=ppc
7581     echo "TARGET_ABI32=y" >> $config_target_mak
7582     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7583   ;;
7584   riscv32)
7585     TARGET_BASE_ARCH=riscv
7586     TARGET_ABI_DIR=riscv
7587     mttcg=yes
7588     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7589   ;;
7590   riscv64)
7591     TARGET_BASE_ARCH=riscv
7592     TARGET_ABI_DIR=riscv
7593     mttcg=yes
7594     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7595   ;;
7596   sh4|sh4eb)
7597     TARGET_ARCH=sh4
7598     bflt="yes"
7599   ;;
7600   sparc)
7601   ;;
7602   sparc64)
7603     TARGET_BASE_ARCH=sparc
7604   ;;
7605   sparc32plus)
7606     TARGET_ARCH=sparc64
7607     TARGET_BASE_ARCH=sparc
7608     TARGET_ABI_DIR=sparc
7609     echo "TARGET_ABI32=y" >> $config_target_mak
7610   ;;
7611   s390x)
7612     mttcg=yes
7613     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7614   ;;
7615   tilegx)
7616   ;;
7617   tricore)
7618   ;;
7619   unicore32)
7620   ;;
7621   xtensa|xtensaeb)
7622     TARGET_ARCH=xtensa
7623     bflt="yes"
7624     mttcg="yes"
7625   ;;
7626   *)
7627     error_exit "Unsupported target CPU"
7628   ;;
7629 esac
7630 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7631 if [ "$TARGET_BASE_ARCH" = "" ]; then
7632   TARGET_BASE_ARCH=$TARGET_ARCH
7633 fi
7634
7635 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7636
7637 upper() {
7638     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7639 }
7640
7641 target_arch_name="$(upper $TARGET_ARCH)"
7642 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7643 echo "TARGET_NAME=$target_name" >> $config_target_mak
7644 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7645 if [ "$TARGET_ABI_DIR" = "" ]; then
7646   TARGET_ABI_DIR=$TARGET_ARCH
7647 fi
7648 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7649 if [ "$HOST_VARIANT_DIR" != "" ]; then
7650     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7651 fi
7652
7653 if supported_xen_target $target; then
7654     echo "CONFIG_XEN=y" >> $config_target_mak
7655     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7656     if test "$xen_pci_passthrough" = yes; then
7657         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7658     fi
7659 else
7660     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7661 fi
7662 if supported_kvm_target $target; then
7663     echo "CONFIG_KVM=y" >> $config_target_mak
7664     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7665 else
7666     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7667 fi
7668 if supported_hax_target $target; then
7669     echo "CONFIG_HAX=y" >> $config_target_mak
7670 fi
7671 if supported_hvf_target $target; then
7672     echo "CONFIG_HVF=y" >> $config_target_mak
7673 fi
7674 if supported_whpx_target $target; then
7675     echo "CONFIG_WHPX=y" >> $config_target_mak
7676 fi
7677 if test "$target_aligned_only" = "yes" ; then
7678   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7679 fi
7680 if test "$target_bigendian" = "yes" ; then
7681   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7682 fi
7683 if test "$target_softmmu" = "yes" ; then
7684   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7685   if test "$mttcg" = "yes" ; then
7686     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7687   fi
7688 fi
7689 if test "$target_user_only" = "yes" ; then
7690   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7691   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7692 fi
7693 if test "$target_linux_user" = "yes" ; then
7694   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7695 fi
7696 list=""
7697 if test ! -z "$gdb_xml_files" ; then
7698   for x in $gdb_xml_files; do
7699     list="$list $source_path/gdb-xml/$x"
7700   done
7701   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7702 fi
7703
7704 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7705   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7706 fi
7707 if test "$target_bsd_user" = "yes" ; then
7708   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7709 fi
7710
7711
7712 # generate QEMU_CFLAGS/LDFLAGS for targets
7713
7714 cflags=""
7715 ldflags=""
7716
7717 disas_config() {
7718   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7719   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7720 }
7721
7722 for i in $ARCH $TARGET_BASE_ARCH ; do
7723   case "$i" in
7724   alpha)
7725     disas_config "ALPHA"
7726   ;;
7727   aarch64)
7728     if test -n "${cxx}"; then
7729       disas_config "ARM_A64"
7730     fi
7731   ;;
7732   arm)
7733     disas_config "ARM"
7734     if test -n "${cxx}"; then
7735       disas_config "ARM_A64"
7736     fi
7737   ;;
7738   cris)
7739     disas_config "CRIS"
7740   ;;
7741   hppa)
7742     disas_config "HPPA"
7743   ;;
7744   i386|x86_64|x32)
7745     disas_config "I386"
7746   ;;
7747   lm32)
7748     disas_config "LM32"
7749   ;;
7750   m68k)
7751     disas_config "M68K"
7752   ;;
7753   microblaze*)
7754     disas_config "MICROBLAZE"
7755   ;;
7756   mips*)
7757     disas_config "MIPS"
7758     if test -n "${cxx}"; then
7759       disas_config "NANOMIPS"
7760     fi
7761   ;;
7762   moxie*)
7763     disas_config "MOXIE"
7764   ;;
7765   nios2)
7766     disas_config "NIOS2"
7767   ;;
7768   or1k)
7769     disas_config "OPENRISC"
7770   ;;
7771   ppc*)
7772     disas_config "PPC"
7773   ;;
7774   riscv*)
7775     disas_config "RISCV"
7776   ;;
7777   s390*)
7778     disas_config "S390"
7779   ;;
7780   sh4)
7781     disas_config "SH4"
7782   ;;
7783   sparc*)
7784     disas_config "SPARC"
7785   ;;
7786   xtensa*)
7787     disas_config "XTENSA"
7788   ;;
7789   esac
7790 done
7791 if test "$tcg_interpreter" = "yes" ; then
7792   disas_config "TCI"
7793 fi
7794
7795 case "$ARCH" in
7796 alpha)
7797   # Ensure there's only a single GP
7798   cflags="-msmall-data $cflags"
7799 ;;
7800 esac
7801
7802 if test "$gprof" = "yes" ; then
7803   echo "TARGET_GPROF=y" >> $config_target_mak
7804   if test "$target_linux_user" = "yes" ; then
7805     cflags="-p $cflags"
7806     ldflags="-p $ldflags"
7807   fi
7808   if test "$target_softmmu" = "yes" ; then
7809     ldflags="-p $ldflags"
7810     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7811   fi
7812 fi
7813
7814 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7815   ldflags="$ldflags $textseg_ldflags"
7816 fi
7817
7818 # Newer kernels on s390 check for an S390_PGSTE program header and
7819 # enable the pgste page table extensions in that case. This makes
7820 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7821 # header if
7822 #  - we build on s390x
7823 #  - we build the system emulation for s390x (qemu-system-s390x)
7824 #  - KVM is enabled
7825 #  - the linker supports --s390-pgste
7826 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7827         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7828     if ld_has --s390-pgste ; then
7829         ldflags="-Wl,--s390-pgste $ldflags"
7830     fi
7831 fi
7832
7833 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7834 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7835
7836 done # for target in $targets
7837
7838 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
7839 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
7840
7841 if [ "$fdt" = "git" ]; then
7842   echo "config-host.h: dtc/all" >> $config_host_mak
7843 fi
7844 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7845   echo "config-host.h: capstone/all" >> $config_host_mak
7846 fi
7847 if test -n "$LIBCAPSTONE"; then
7848   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7849 fi
7850
7851 if test "$numa" = "yes"; then
7852   echo "CONFIG_NUMA=y" >> $config_host_mak
7853 fi
7854
7855 if test "$ccache_cpp2" = "yes"; then
7856   echo "export CCACHE_CPP2=y" >> $config_host_mak
7857 fi
7858
7859 # If we're using a separate build tree, set it up now.
7860 # DIRS are directories which we simply mkdir in the build tree;
7861 # LINKS are things to symlink back into the source tree
7862 # (these can be both files and directories).
7863 # Caution: do not add files or directories here using wildcards. This
7864 # will result in problems later if a new file matching the wildcard is
7865 # added to the source tree -- nothing will cause configure to be rerun
7866 # so the build tree will be missing the link back to the new file, and
7867 # tests might fail. Prefer to keep the relevant files in their own
7868 # directory and symlink the directory instead.
7869 DIRS="tests tests/tcg tests/tcg/lm32 tests/libqos tests/qapi-schema tests/qemu-iotests tests/vm"
7870 DIRS="$DIRS tests/fp tests/qgraph"
7871 DIRS="$DIRS docs docs/interop fsdev scsi"
7872 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7873 DIRS="$DIRS roms/seabios roms/vgabios"
7874 LINKS="Makefile"
7875 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
7876 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
7877 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7878 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7879 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7880 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7881 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7882 LINKS="$LINKS tests/acceptance tests/data"
7883 LINKS="$LINKS tests/qemu-iotests/check"
7884 LINKS="$LINKS python"
7885 for bios_file in \
7886     $source_path/pc-bios/*.bin \
7887     $source_path/pc-bios/*.lid \
7888     $source_path/pc-bios/*.rom \
7889     $source_path/pc-bios/*.dtb \
7890     $source_path/pc-bios/*.img \
7891     $source_path/pc-bios/openbios-* \
7892     $source_path/pc-bios/u-boot.* \
7893     $source_path/pc-bios/edk2-*.fd.bz2 \
7894     $source_path/pc-bios/palcode-*
7895 do
7896     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7897 done
7898 mkdir -p $DIRS
7899 for f in $LINKS ; do
7900     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7901         symlink "$source_path/$f" "$f"
7902     fi
7903 done
7904
7905 (for i in $cross_cc_vars; do
7906   export $i
7907 done
7908 export target_list source_path
7909 $source_path/tests/tcg/configure.sh)
7910
7911 # temporary config to build submodules
7912 for rom in seabios vgabios ; do
7913     config_mak=roms/$rom/config.mak
7914     echo "# Automatically generated by configure - do not modify" > $config_mak
7915     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7916     echo "AS=$as" >> $config_mak
7917     echo "CCAS=$ccas" >> $config_mak
7918     echo "CC=$cc" >> $config_mak
7919     echo "BCC=bcc" >> $config_mak
7920     echo "CPP=$cpp" >> $config_mak
7921     echo "OBJCOPY=objcopy" >> $config_mak
7922     echo "IASL=$iasl" >> $config_mak
7923     echo "LD=$ld" >> $config_mak
7924     echo "RANLIB=$ranlib" >> $config_mak
7925 done
7926
7927 # set up qemu-iotests in this build directory
7928 iotests_common_env="tests/qemu-iotests/common.env"
7929
7930 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7931 echo >> "$iotests_common_env"
7932 echo "export PYTHON='$python'" >> "$iotests_common_env"
7933
7934 # Save the configure command line for later reuse.
7935 cat <<EOD >config.status
7936 #!/bin/sh
7937 # Generated by configure.
7938 # Run this file to recreate the current configuration.
7939 # Compiler output produced by configure, useful for debugging
7940 # configure, is in config.log if it exists.
7941 EOD
7942
7943 preserve_env() {
7944     envname=$1
7945
7946     eval envval=\$$envname
7947
7948     if test -n "$envval"
7949     then
7950         echo "$envname='$envval'" >> config.status
7951         echo "export $envname" >> config.status
7952     else
7953         echo "unset $envname" >> config.status
7954     fi
7955 }
7956
7957 # Preserve various env variables that influence what
7958 # features/build target configure will detect
7959 preserve_env AR
7960 preserve_env AS
7961 preserve_env CC
7962 preserve_env CPP
7963 preserve_env CXX
7964 preserve_env INSTALL
7965 preserve_env LD
7966 preserve_env LD_LIBRARY_PATH
7967 preserve_env LIBTOOL
7968 preserve_env MAKE
7969 preserve_env NM
7970 preserve_env OBJCOPY
7971 preserve_env PATH
7972 preserve_env PKG_CONFIG
7973 preserve_env PKG_CONFIG_LIBDIR
7974 preserve_env PKG_CONFIG_PATH
7975 preserve_env PYTHON
7976 preserve_env SDL2_CONFIG
7977 preserve_env SMBD
7978 preserve_env STRIP
7979 preserve_env WINDRES
7980
7981 printf "exec" >>config.status
7982 printf " '%s'" "$0" "$@" >>config.status
7983 echo ' "$@"' >>config.status
7984 chmod +x config.status
7985
7986 rm -r "$TMPDIR1"