configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(dirname "$0")
 281 # make source path absolute
 282 source_path=$(cd "$source_path"; pwd)
 283 cpu=""
 284 iasl="iasl"
 285 interp_prefix="/usr/gnemul/qemu-%M"
 286 static="no"
 287 cross_prefix=""
 288 audio_drv_list=""
 289 block_drv_rw_whitelist=""
 290 block_drv_ro_whitelist=""
 291 host_cc="cc"
 292 libs_softmmu=""
 293 libs_tools=""
 294 audio_pt_int=""
 295 audio_win_int=""
 296 libs_qga=""
 297 debug_info="yes"
 298 stack_protector=""
 299
 300 if test -e "$source_path/.git"
 301 then
 302     git_update=yes
 303     git_submodules="ui/keycodemapdb"
 304     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 305     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 306 else
 307     git_update=no
 308     git_submodules=""
 309
 310     if ! test -f "$source_path/ui/keycodemapdb/README"
 311     then
 312         echo
 313         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 314         echo
 315         echo "This is not a GIT checkout but module content appears to"
 316         echo "be missing. Do not use 'git archive' or GitHub download links"
 317         echo "to acquire QEMU source archives. Non-GIT builds are only"
 318         echo "supported with source archives linked from:"
 319         echo
 320         echo "  https://www.qemu.org/download/"
 321         echo
 322         echo "Developers working with GIT can use scripts/archive-source.sh"
 323         echo "if they need to create valid source archives."
 324         echo
 325         exit 1
 326     fi
 327 fi
 328 git="git"
 329
 330 # Don't accept a target_list environment variable.
 331 unset target_list
 332 unset target_list_exclude
 333
 334 # Default value for a variable defining feature "foo".
 335 #  * foo="no"  feature will only be used if --enable-foo arg is given
 336 #  * foo=""    feature will be searched for, and if found, will be used
 337 #              unless --disable-foo is given
 338 #  * foo="yes" this value will only be set by --enable-foo flag.
 339 #              feature will searched for,
 340 #              if not found, configure exits with error
 341 #
 342 # Always add --enable-foo and --disable-foo command line args.
 343 # Distributions want to ensure that several features are compiled in, and it
 344 # is impossible without a --enable-foo that exits if a feature is not found.
 345
 346 bluez=""
 347 brlapi=""
 348 curl=""
 349 curses=""
 350 docs=""
 351 fdt=""
 352 netmap="no"
 353 sdl=""
 354 sdl_image=""
 355 virtfs=""
 356 mpath=""
 357 vnc="yes"
 358 sparse="no"
 359 vde=""
 360 vnc_sasl=""
 361 vnc_jpeg=""
 362 vnc_png=""
 363 xkbcommon=""
 364 xen=""
 365 xen_ctrl_version=""
 366 xen_pci_passthrough=""
 367 linux_aio=""
 368 cap_ng=""
 369 attr=""
 370 libattr=""
 371 xfs=""
 372 tcg="yes"
 373 membarrier=""
 374 vhost_net=""
 375 vhost_crypto=""
 376 vhost_scsi=""
 377 vhost_vsock=""
 378 vhost_user=""
 379 kvm="no"
 380 hax="no"
 381 hvf="no"
 382 whpx="no"
 383 rdma=""
 384 pvrdma=""
 385 gprof="no"
 386 debug_tcg="no"
 387 debug="no"
 388 sanitizers="no"
 389 fortify_source=""
 390 strip_opt="yes"
 391 tcg_interpreter="no"
 392 bigendian="no"
 393 mingw32="no"
 394 gcov="no"
 395 gcov_tool="gcov"
 396 EXESUF=""
 397 DSOSUF=".so"
 398 LDFLAGS_SHARED="-shared"
 399 modules="no"
 400 prefix="/usr/local"
 401 mandir="\${prefix}/share/man"
 402 datadir="\${prefix}/share"
 403 firmwarepath="\${prefix}/share/qemu-firmware"
 404 qemu_docdir="\${prefix}/share/doc/qemu"
 405 bindir="\${prefix}/bin"
 406 libdir="\${prefix}/lib"
 407 libexecdir="\${prefix}/libexec"
 408 includedir="\${prefix}/include"
 409 sysconfdir="\${prefix}/etc"
 410 local_statedir="\${prefix}/var"
 411 confsuffix="/qemu"
 412 slirp=""
 413 oss_lib=""
 414 bsd="no"
 415 linux="no"
 416 solaris="no"
 417 profiler="no"
 418 cocoa="no"
 419 softmmu="yes"
 420 linux_user="no"
 421 bsd_user="no"
 422 blobs="yes"
 423 pkgversion=""
 424 pie=""
 425 qom_cast_debug="yes"
 426 trace_backends="log"
 427 trace_file="trace"
 428 spice=""
 429 rbd=""
 430 smartcard=""
 431 libusb=""
 432 usb_redir=""
 433 opengl=""
 434 opengl_dmabuf="no"
 435 cpuid_h="no"
 436 avx2_opt=""
 437 zlib="yes"
 438 capstone=""
 439 lzo=""
 440 snappy=""
 441 bzip2=""
 442 lzfse=""
 443 guest_agent=""
 444 guest_agent_with_vss="no"
 445 guest_agent_ntddscsi="no"
 446 guest_agent_msi=""
 447 vss_win32_sdk=""
 448 win_sdk="no"
 449 want_tools="yes"
 450 libiscsi=""
 451 libnfs=""
 452 coroutine=""
 453 coroutine_pool=""
 454 debug_stack_usage="no"
 455 crypto_afalg="no"
 456 seccomp=""
 457 glusterfs=""
 458 glusterfs_xlator_opt="no"
 459 glusterfs_discard="no"
 460 glusterfs_fallocate="no"
 461 glusterfs_zerofill="no"
 462 glusterfs_ftruncate_has_stat="no"
 463 glusterfs_iocb_has_stat="no"
 464 gtk=""
 465 gtk_gl="no"
 466 tls_priority="NORMAL"
 467 gnutls=""
 468 nettle=""
 469 gcrypt=""
 470 gcrypt_hmac="no"
 471 auth_pam=""
 472 vte=""
 473 virglrenderer=""
 474 tpm=""
 475 libssh2=""
 476 live_block_migration="yes"
 477 numa=""
 478 tcmalloc="no"
 479 jemalloc="no"
 480 replication="yes"
 481 vxhs=""
 482 bochs="yes"
 483 cloop="yes"
 484 dmg="yes"
 485 qcow1="yes"
 486 vdi="yes"
 487 vvfat="yes"
 488 qed="yes"
 489 parallels="yes"
 490 sheepdog="yes"
 491 libxml2=""
 492 docker="no"
 493 debug_mutex="no"
 494 libpmem=""
 495 default_devices="yes"
 496
 497 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 498 cross_cc_aarch64="aarch64-linux-gnu-gcc"
 499 cross_cc_aarch64_be="$cross_cc_aarch64"
 500 cross_cc_cflags_aarch64_be="-mbig-endian"
 501 cross_cc_arm="arm-linux-gnueabihf-gcc"
 502 cross_cc_cflags_armeb="-mbig-endian"
 503 cross_cc_i386="i386-pc-linux-gnu-gcc"
 504 cross_cc_cflags_i386=""
 505 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 506 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 507
 508 enabled_cross_compilers=""
 509
 510 supported_cpu="no"
 511 supported_os="no"
 512 bogus_os="no"
 513 malloc_trim=""
 514
 515 # parse CC options first
 516 for opt do
 517   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 518   case "$opt" in
 519   --cross-prefix=*) cross_prefix="$optarg"
 520   ;;
 521   --cc=*) CC="$optarg"
 522   ;;
 523   --cxx=*) CXX="$optarg"
 524   ;;
 525   --cpu=*) cpu="$optarg"
 526   ;;
 527   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 528   ;;
 529   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 530   ;;
 531   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 532                      EXTRA_LDFLAGS="$optarg"
 533   ;;
 534   --enable-debug-info) debug_info="yes"
 535   ;;
 536   --disable-debug-info) debug_info="no"
 537   ;;
 538   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 539   ;;
 540   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 541                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 542   ;;
 543   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 544                 eval "cross_cc_${cc_arch}=\$optarg"
 545   ;;
 546   esac
 547 done
 548 # OS specific
 549 # Using uname is really, really broken.  Once we have the right set of checks
 550 # we can eliminate its usage altogether.
 551
 552 # Preferred compiler:
 553 #  ${CC} (if set)
 554 #  ${cross_prefix}gcc (if cross-prefix specified)
 555 #  system compiler
 556 if test -z "${CC}${cross_prefix}"; then
 557   cc="$host_cc"
 558 else
 559   cc="${CC-${cross_prefix}gcc}"
 560 fi
 561
 562 if test -z "${CXX}${cross_prefix}"; then
 563   cxx="c++"
 564 else
 565   cxx="${CXX-${cross_prefix}g++}"
 566 fi
 567
 568 ar="${AR-${cross_prefix}ar}"
 569 as="${AS-${cross_prefix}as}"
 570 ccas="${CCAS-$cc}"
 571 cpp="${CPP-$cc -E}"
 572 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 573 ld="${LD-${cross_prefix}ld}"
 574 ranlib="${RANLIB-${cross_prefix}ranlib}"
 575 nm="${NM-${cross_prefix}nm}"
 576 strip="${STRIP-${cross_prefix}strip}"
 577 windres="${WINDRES-${cross_prefix}windres}"
 578 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 579 query_pkg_config() {
 580     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 581 }
 582 pkg_config=query_pkg_config
 583 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 584
 585 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 586 ARFLAGS="${ARFLAGS-rv}"
 587
 588 # default flags for all hosts
 589 # We use -fwrapv to tell the compiler that we require a C dialect where
 590 # left shift of signed integers is well defined and has the expected
 591 # 2s-complement style results. (Both clang and gcc agree that it
 592 # provides these semantics.)
 593 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 594 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 595 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 596 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 597 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 598 if test "$debug_info" = "yes"; then
 599     CFLAGS="-g $CFLAGS"
 600     LDFLAGS="-g $LDFLAGS"
 601 fi
 602
 603 # running configure in the source tree?
 604 # we know that's the case if configure is there.
 605 if test -f "./configure"; then
 606     pwd_is_source_path="y"
 607 else
 608     pwd_is_source_path="n"
 609 fi
 610
 611 check_define() {
 612 cat > $TMPC <<EOF
 613 #if !defined($1)
 614 #error $1 not defined
 615 #endif
 616 int main(void) { return 0; }
 617 EOF
 618   compile_object
 619 }
 620
 621 check_include() {
 622 cat > $TMPC <<EOF
 623 #include <$1>
 624 int main(void) { return 0; }
 625 EOF
 626   compile_object
 627 }
 628
 629 write_c_skeleton() {
 630     cat > $TMPC <<EOF
 631 int main(void) { return 0; }
 632 EOF
 633 }
 634
 635 if check_define __linux__ ; then
 636   targetos="Linux"
 637 elif check_define _WIN32 ; then
 638   targetos='MINGW32'
 639 elif check_define __OpenBSD__ ; then
 640   targetos='OpenBSD'
 641 elif check_define __sun__ ; then
 642   targetos='SunOS'
 643 elif check_define __HAIKU__ ; then
 644   targetos='Haiku'
 645 elif check_define __FreeBSD__ ; then
 646   targetos='FreeBSD'
 647 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 648   targetos='GNU/kFreeBSD'
 649 elif check_define __DragonFly__ ; then
 650   targetos='DragonFly'
 651 elif check_define __NetBSD__; then
 652   targetos='NetBSD'
 653 elif check_define __APPLE__; then
 654   targetos='Darwin'
 655 else
 656   # This is a fatal error, but don't report it yet, because we
 657   # might be going to just print the --help text, or it might
 658   # be the result of a missing compiler.
 659   targetos='bogus'
 660   bogus_os='yes'
 661 fi
 662
 663 # Some host OSes need non-standard checks for which CPU to use.
 664 # Note that these checks are broken for cross-compilation: if you're
 665 # cross-compiling to one of these OSes then you'll need to specify
 666 # the correct CPU with the --cpu option.
 667 case $targetos in
 668 Darwin)
 669   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 670   # run 64-bit userspace code.
 671   # If the user didn't specify a CPU explicitly and the kernel says this is
 672   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 673   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 674     cpu="x86_64"
 675   fi
 676   ;;
 677 SunOS)
 678   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 679   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 680     cpu="x86_64"
 681   fi
 682 esac
 683
 684 if test ! -z "$cpu" ; then
 685   # command line argument
 686   :
 687 elif check_define __i386__ ; then
 688   cpu="i386"
 689 elif check_define __x86_64__ ; then
 690   if check_define __ILP32__ ; then
 691     cpu="x32"
 692   else
 693     cpu="x86_64"
 694   fi
 695 elif check_define __sparc__ ; then
 696   if check_define __arch64__ ; then
 697     cpu="sparc64"
 698   else
 699     cpu="sparc"
 700   fi
 701 elif check_define _ARCH_PPC ; then
 702   if check_define _ARCH_PPC64 ; then
 703     cpu="ppc64"
 704   else
 705     cpu="ppc"
 706   fi
 707 elif check_define __mips__ ; then
 708   cpu="mips"
 709 elif check_define __s390__ ; then
 710   if check_define __s390x__ ; then
 711     cpu="s390x"
 712   else
 713     cpu="s390"
 714   fi
 715 elif check_define __riscv ; then
 716   if check_define _LP64 ; then
 717     cpu="riscv64"
 718   else
 719     cpu="riscv32"
 720   fi
 721 elif check_define __arm__ ; then
 722   cpu="arm"
 723 elif check_define __aarch64__ ; then
 724   cpu="aarch64"
 725 else
 726   cpu=$(uname -m)
 727 fi
 728
 729 ARCH=
 730 # Normalise host CPU name and set ARCH.
 731 # Note that this case should only have supported host CPUs, not guests.
 732 case "$cpu" in
 733   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 734     cpu="$cpu"
 735     supported_cpu="yes"
 736     eval "cross_cc_${cpu}=\$host_cc"
 737   ;;
 738   i386|i486|i586|i686|i86pc|BePC)
 739     cpu="i386"
 740     supported_cpu="yes"
 741     cross_cc_i386=$host_cc
 742   ;;
 743   x86_64|amd64)
 744     cpu="x86_64"
 745     supported_cpu="yes"
 746     cross_cc_x86_64=$host_cc
 747   ;;
 748   armv*b|armv*l|arm)
 749     cpu="arm"
 750     supported_cpu="yes"
 751     cross_cc_arm=$host_cc
 752   ;;
 753   aarch64)
 754     cpu="aarch64"
 755     supported_cpu="yes"
 756     cross_cc_aarch64=$host_cc
 757   ;;
 758   mips*)
 759     cpu="mips"
 760     supported_cpu="yes"
 761     cross_cc_mips=$host_cc
 762   ;;
 763   sparc|sun4[cdmuv])
 764     cpu="sparc"
 765     supported_cpu="yes"
 766     cross_cc_sparc=$host_cc
 767   ;;
 768   *)
 769     # This will result in either an error or falling back to TCI later
 770     ARCH=unknown
 771   ;;
 772 esac
 773 if test -z "$ARCH"; then
 774   ARCH="$cpu"
 775 fi
 776
 777 # OS specific
 778
 779 # host *BSD for user mode
 780 HOST_VARIANT_DIR=""
 781
 782 case $targetos in
 783 MINGW32*)
 784   mingw32="yes"
 785   hax="yes"
 786   vhost_user="no"
 787   audio_possible_drivers="dsound sdl"
 788   if check_include dsound.h; then
 789     audio_drv_list="dsound"
 790   else
 791     audio_drv_list=""
 792   fi
 793   supported_os="yes"
 794 ;;
 795 GNU/kFreeBSD)
 796   bsd="yes"
 797   audio_drv_list="oss try-sdl"
 798   audio_possible_drivers="oss sdl pa"
 799 ;;
 800 FreeBSD)
 801   bsd="yes"
 802   make="${MAKE-gmake}"
 803   audio_drv_list="oss try-sdl"
 804   audio_possible_drivers="oss sdl pa"
 805   # needed for kinfo_getvmmap(3) in libutil.h
 806   LIBS="-lutil $LIBS"
 807   # needed for kinfo_getproc
 808   libs_qga="-lutil $libs_qga"
 809   netmap=""  # enable netmap autodetect
 810   HOST_VARIANT_DIR="freebsd"
 811   supported_os="yes"
 812 ;;
 813 DragonFly)
 814   bsd="yes"
 815   make="${MAKE-gmake}"
 816   audio_drv_list="oss try-sdl"
 817   audio_possible_drivers="oss sdl pa"
 818   HOST_VARIANT_DIR="dragonfly"
 819 ;;
 820 NetBSD)
 821   bsd="yes"
 822   hax="yes"
 823   make="${MAKE-gmake}"
 824   audio_drv_list="oss try-sdl"
 825   audio_possible_drivers="oss sdl"
 826   oss_lib="-lossaudio"
 827   HOST_VARIANT_DIR="netbsd"
 828   supported_os="yes"
 829 ;;
 830 OpenBSD)
 831   bsd="yes"
 832   make="${MAKE-gmake}"
 833   audio_drv_list="try-sdl"
 834   audio_possible_drivers="sdl"
 835   HOST_VARIANT_DIR="openbsd"
 836   supported_os="yes"
 837 ;;
 838 Darwin)
 839   bsd="yes"
 840   darwin="yes"
 841   hax="yes"
 842   hvf="yes"
 843   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 844   if [ "$cpu" = "x86_64" ] ; then
 845     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 846     LDFLAGS="-arch x86_64 $LDFLAGS"
 847   fi
 848   cocoa="yes"
 849   audio_drv_list="coreaudio try-sdl"
 850   audio_possible_drivers="coreaudio sdl"
 851   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 852   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 853   # Disable attempts to use ObjectiveC features in os/object.h since they
 854   # won't work when we're compiling with gcc as a C compiler.
 855   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 856   HOST_VARIANT_DIR="darwin"
 857   supported_os="yes"
 858 ;;
 859 SunOS)
 860   solaris="yes"
 861   make="${MAKE-gmake}"
 862   install="${INSTALL-ginstall}"
 863   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 864   if test -f /usr/include/sys/soundcard.h ; then
 865     audio_drv_list="oss try-sdl"
 866   fi
 867   audio_possible_drivers="oss sdl"
 868 # needed for CMSG_ macros in sys/socket.h
 869   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 870 # needed for TIOCWIN* defines in termios.h
 871   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 872   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 873   solarisnetlibs="-lsocket -lnsl -lresolv"
 874   LIBS="$solarisnetlibs $LIBS"
 875   libs_qga="$solarisnetlibs $libs_qga"
 876 ;;
 877 Haiku)
 878   haiku="yes"
 879   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 880   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 881 ;;
 882 Linux)
 883   audio_drv_list="try-pa oss"
 884   audio_possible_drivers="oss alsa sdl pa"
 885   linux="yes"
 886   linux_user="yes"
 887   kvm="yes"
 888   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 889   supported_os="yes"
 890   libudev="yes"
 891 ;;
 892 esac
 893
 894 if [ "$bsd" = "yes" ] ; then
 895   if [ "$darwin" != "yes" ] ; then
 896     bsd_user="yes"
 897   fi
 898 fi
 899
 900 : ${make=${MAKE-make}}
 901 : ${install=${INSTALL-install}}
 902 # We prefer python 3.x. A bare 'python' is traditionally
 903 # python 2.x, but some distros have it as python 3.x, so
 904 # we check that before python2
 905 python=
 906 for binary in "${PYTHON-python3}" python python2
 907 do
 908     if has "$binary"
 909     then
 910         python="$binary"
 911         break
 912     fi
 913 done
 914 : ${smbd=${SMBD-/usr/sbin/smbd}}
 915
 916 # Default objcc to clang if available, otherwise use CC
 917 if has clang; then
 918   objcc=clang
 919 else
 920   objcc="$cc"
 921 fi
 922
 923 if test "$mingw32" = "yes" ; then
 924   EXESUF=".exe"
 925   DSOSUF=".dll"
 926   # MinGW needs -mthreads for TLS and macro _MT.
 927   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 928   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 929   write_c_skeleton;
 930   if compile_prog "" "-liberty" ; then
 931     LIBS="-liberty $LIBS"
 932   fi
 933   prefix="c:/Program Files/QEMU"
 934   mandir="\${prefix}"
 935   datadir="\${prefix}"
 936   qemu_docdir="\${prefix}"
 937   bindir="\${prefix}"
 938   sysconfdir="\${prefix}"
 939   local_statedir=
 940   confsuffix=""
 941   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 942 fi
 943
 944 werror=""
 945
 946 for opt do
 947   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 948   case "$opt" in
 949   --help|-h) show_help=yes
 950   ;;
 951   --version|-V) exec cat $source_path/VERSION
 952   ;;
 953   --prefix=*) prefix="$optarg"
 954   ;;
 955   --interp-prefix=*) interp_prefix="$optarg"
 956   ;;
 957   --cross-prefix=*)
 958   ;;
 959   --cc=*)
 960   ;;
 961   --host-cc=*) host_cc="$optarg"
 962   ;;
 963   --cxx=*)
 964   ;;
 965   --iasl=*) iasl="$optarg"
 966   ;;
 967   --objcc=*) objcc="$optarg"
 968   ;;
 969   --make=*) make="$optarg"
 970   ;;
 971   --install=*) install="$optarg"
 972   ;;
 973   --python=*) python="$optarg"
 974   ;;
 975   --gcov=*) gcov_tool="$optarg"
 976   ;;
 977   --smbd=*) smbd="$optarg"
 978   ;;
 979   --extra-cflags=*)
 980   ;;
 981   --extra-cxxflags=*)
 982   ;;
 983   --extra-ldflags=*)
 984   ;;
 985   --enable-debug-info)
 986   ;;
 987   --disable-debug-info)
 988   ;;
 989   --cross-cc-*)
 990   ;;
 991   --enable-modules)
 992       modules="yes"
 993   ;;
 994   --disable-modules)
 995       modules="no"
 996   ;;
 997   --cpu=*)
 998   ;;
 999   --target-list=*) target_list="$optarg"
1000                    if test "$target_list_exclude"; then
1001                        error_exit "Can't mix --target-list with --target-list-exclude"
1002                    fi
1003   ;;
1004   --target-list-exclude=*) target_list_exclude="$optarg"
1005                    if test "$target_list"; then
1006                        error_exit "Can't mix --target-list-exclude with --target-list"
1007                    fi
1008   ;;
1009   --enable-trace-backends=*) trace_backends="$optarg"
1010   ;;
1011   # XXX: backwards compatibility
1012   --enable-trace-backend=*) trace_backends="$optarg"
1013   ;;
1014   --with-trace-file=*) trace_file="$optarg"
1015   ;;
1016   --with-default-devices) default_devices="yes"
1017   ;;
1018   --without-default-devices) default_devices="no"
1019   ;;
1020   --enable-gprof) gprof="yes"
1021   ;;
1022   --enable-gcov) gcov="yes"
1023   ;;
1024   --static)
1025     static="yes"
1026     LDFLAGS="-static $LDFLAGS"
1027     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1028   ;;
1029   --mandir=*) mandir="$optarg"
1030   ;;
1031   --bindir=*) bindir="$optarg"
1032   ;;
1033   --libdir=*) libdir="$optarg"
1034   ;;
1035   --libexecdir=*) libexecdir="$optarg"
1036   ;;
1037   --includedir=*) includedir="$optarg"
1038   ;;
1039   --datadir=*) datadir="$optarg"
1040   ;;
1041   --with-confsuffix=*) confsuffix="$optarg"
1042   ;;
1043   --docdir=*) qemu_docdir="$optarg"
1044   ;;
1045   --sysconfdir=*) sysconfdir="$optarg"
1046   ;;
1047   --localstatedir=*) local_statedir="$optarg"
1048   ;;
1049   --firmwarepath=*) firmwarepath="$optarg"
1050   ;;
1051   --host=*|--build=*|\
1052   --disable-dependency-tracking|\
1053   --sbindir=*|--sharedstatedir=*|\
1054   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1055   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1056     # These switches are silently ignored, for compatibility with
1057     # autoconf-generated configure scripts. This allows QEMU's
1058     # configure to be used by RPM and similar macros that set
1059     # lots of directory switches by default.
1060   ;;
1061   --disable-sdl) sdl="no"
1062   ;;
1063   --enable-sdl) sdl="yes"
1064   ;;
1065   --disable-sdl-image) sdl_image="no"
1066   ;;
1067   --enable-sdl-image) sdl_image="yes"
1068   ;;
1069   --disable-qom-cast-debug) qom_cast_debug="no"
1070   ;;
1071   --enable-qom-cast-debug) qom_cast_debug="yes"
1072   ;;
1073   --disable-virtfs) virtfs="no"
1074   ;;
1075   --enable-virtfs) virtfs="yes"
1076   ;;
1077   --disable-mpath) mpath="no"
1078   ;;
1079   --enable-mpath) mpath="yes"
1080   ;;
1081   --disable-vnc) vnc="no"
1082   ;;
1083   --enable-vnc) vnc="yes"
1084   ;;
1085   --oss-lib=*) oss_lib="$optarg"
1086   ;;
1087   --audio-drv-list=*) audio_drv_list="$optarg"
1088   ;;
1089   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1090   ;;
1091   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1092   ;;
1093   --enable-debug-tcg) debug_tcg="yes"
1094   ;;
1095   --disable-debug-tcg) debug_tcg="no"
1096   ;;
1097   --enable-debug)
1098       # Enable debugging options that aren't excessively noisy
1099       debug_tcg="yes"
1100       debug_mutex="yes"
1101       debug="yes"
1102       strip_opt="no"
1103       fortify_source="no"
1104   ;;
1105   --enable-sanitizers) sanitizers="yes"
1106   ;;
1107   --disable-sanitizers) sanitizers="no"
1108   ;;
1109   --enable-sparse) sparse="yes"
1110   ;;
1111   --disable-sparse) sparse="no"
1112   ;;
1113   --disable-strip) strip_opt="no"
1114   ;;
1115   --disable-vnc-sasl) vnc_sasl="no"
1116   ;;
1117   --enable-vnc-sasl) vnc_sasl="yes"
1118   ;;
1119   --disable-vnc-jpeg) vnc_jpeg="no"
1120   ;;
1121   --enable-vnc-jpeg) vnc_jpeg="yes"
1122   ;;
1123   --disable-vnc-png) vnc_png="no"
1124   ;;
1125   --enable-vnc-png) vnc_png="yes"
1126   ;;
1127   --disable-slirp) slirp="no"
1128   ;;
1129   --enable-slirp=git) slirp="git"
1130   ;;
1131   --enable-slirp=system) slirp="system"
1132   ;;
1133   --disable-vde) vde="no"
1134   ;;
1135   --enable-vde) vde="yes"
1136   ;;
1137   --disable-netmap) netmap="no"
1138   ;;
1139   --enable-netmap) netmap="yes"
1140   ;;
1141   --disable-xen) xen="no"
1142   ;;
1143   --enable-xen) xen="yes"
1144   ;;
1145   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1146   ;;
1147   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1148   ;;
1149   --disable-brlapi) brlapi="no"
1150   ;;
1151   --enable-brlapi) brlapi="yes"
1152   ;;
1153   --disable-bluez) bluez="no"
1154   ;;
1155   --enable-bluez) bluez="yes"
1156   ;;
1157   --disable-kvm) kvm="no"
1158   ;;
1159   --enable-kvm) kvm="yes"
1160   ;;
1161   --disable-hax) hax="no"
1162   ;;
1163   --enable-hax) hax="yes"
1164   ;;
1165   --disable-hvf) hvf="no"
1166   ;;
1167   --enable-hvf) hvf="yes"
1168   ;;
1169   --disable-whpx) whpx="no"
1170   ;;
1171   --enable-whpx) whpx="yes"
1172   ;;
1173   --disable-tcg-interpreter) tcg_interpreter="no"
1174   ;;
1175   --enable-tcg-interpreter) tcg_interpreter="yes"
1176   ;;
1177   --disable-cap-ng)  cap_ng="no"
1178   ;;
1179   --enable-cap-ng) cap_ng="yes"
1180   ;;
1181   --disable-tcg) tcg="no"
1182   ;;
1183   --enable-tcg) tcg="yes"
1184   ;;
1185   --disable-malloc-trim) malloc_trim="no"
1186   ;;
1187   --enable-malloc-trim) malloc_trim="yes"
1188   ;;
1189   --disable-spice) spice="no"
1190   ;;
1191   --enable-spice) spice="yes"
1192   ;;
1193   --disable-libiscsi) libiscsi="no"
1194   ;;
1195   --enable-libiscsi) libiscsi="yes"
1196   ;;
1197   --disable-libnfs) libnfs="no"
1198   ;;
1199   --enable-libnfs) libnfs="yes"
1200   ;;
1201   --enable-profiler) profiler="yes"
1202   ;;
1203   --disable-cocoa) cocoa="no"
1204   ;;
1205   --enable-cocoa)
1206       cocoa="yes" ;
1207       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1208   ;;
1209   --disable-system) softmmu="no"
1210   ;;
1211   --enable-system) softmmu="yes"
1212   ;;
1213   --disable-user)
1214       linux_user="no" ;
1215       bsd_user="no" ;
1216   ;;
1217   --enable-user) ;;
1218   --disable-linux-user) linux_user="no"
1219   ;;
1220   --enable-linux-user) linux_user="yes"
1221   ;;
1222   --disable-bsd-user) bsd_user="no"
1223   ;;
1224   --enable-bsd-user) bsd_user="yes"
1225   ;;
1226   --enable-pie) pie="yes"
1227   ;;
1228   --disable-pie) pie="no"
1229   ;;
1230   --enable-werror) werror="yes"
1231   ;;
1232   --disable-werror) werror="no"
1233   ;;
1234   --enable-stack-protector) stack_protector="yes"
1235   ;;
1236   --disable-stack-protector) stack_protector="no"
1237   ;;
1238   --disable-curses) curses="no"
1239   ;;
1240   --enable-curses) curses="yes"
1241   ;;
1242   --disable-iconv) iconv="no"
1243   ;;
1244   --enable-iconv) iconv="yes"
1245   ;;
1246   --disable-curl) curl="no"
1247   ;;
1248   --enable-curl) curl="yes"
1249   ;;
1250   --disable-fdt) fdt="no"
1251   ;;
1252   --enable-fdt) fdt="yes"
1253   ;;
1254   --disable-linux-aio) linux_aio="no"
1255   ;;
1256   --enable-linux-aio) linux_aio="yes"
1257   ;;
1258   --disable-attr) attr="no"
1259   ;;
1260   --enable-attr) attr="yes"
1261   ;;
1262   --disable-membarrier) membarrier="no"
1263   ;;
1264   --enable-membarrier) membarrier="yes"
1265   ;;
1266   --disable-blobs) blobs="no"
1267   ;;
1268   --with-pkgversion=*) pkgversion="$optarg"
1269   ;;
1270   --with-coroutine=*) coroutine="$optarg"
1271   ;;
1272   --disable-coroutine-pool) coroutine_pool="no"
1273   ;;
1274   --enable-coroutine-pool) coroutine_pool="yes"
1275   ;;
1276   --enable-debug-stack-usage) debug_stack_usage="yes"
1277   ;;
1278   --enable-crypto-afalg) crypto_afalg="yes"
1279   ;;
1280   --disable-crypto-afalg) crypto_afalg="no"
1281   ;;
1282   --disable-docs) docs="no"
1283   ;;
1284   --enable-docs) docs="yes"
1285   ;;
1286   --disable-vhost-net) vhost_net="no"
1287   ;;
1288   --enable-vhost-net) vhost_net="yes"
1289   ;;
1290   --disable-vhost-crypto) vhost_crypto="no"
1291   ;;
1292   --enable-vhost-crypto) vhost_crypto="yes"
1293   ;;
1294   --disable-vhost-scsi) vhost_scsi="no"
1295   ;;
1296   --enable-vhost-scsi) vhost_scsi="yes"
1297   ;;
1298   --disable-vhost-vsock) vhost_vsock="no"
1299   ;;
1300   --enable-vhost-vsock) vhost_vsock="yes"
1301   ;;
1302   --disable-opengl) opengl="no"
1303   ;;
1304   --enable-opengl) opengl="yes"
1305   ;;
1306   --disable-rbd) rbd="no"
1307   ;;
1308   --enable-rbd) rbd="yes"
1309   ;;
1310   --disable-xfsctl) xfs="no"
1311   ;;
1312   --enable-xfsctl) xfs="yes"
1313   ;;
1314   --disable-smartcard) smartcard="no"
1315   ;;
1316   --enable-smartcard) smartcard="yes"
1317   ;;
1318   --disable-libusb) libusb="no"
1319   ;;
1320   --enable-libusb) libusb="yes"
1321   ;;
1322   --disable-usb-redir) usb_redir="no"
1323   ;;
1324   --enable-usb-redir) usb_redir="yes"
1325   ;;
1326   --disable-zlib-test) zlib="no"
1327   ;;
1328   --disable-lzo) lzo="no"
1329   ;;
1330   --enable-lzo) lzo="yes"
1331   ;;
1332   --disable-snappy) snappy="no"
1333   ;;
1334   --enable-snappy) snappy="yes"
1335   ;;
1336   --disable-bzip2) bzip2="no"
1337   ;;
1338   --enable-bzip2) bzip2="yes"
1339   ;;
1340   --enable-lzfse) lzfse="yes"
1341   ;;
1342   --disable-lzfse) lzfse="no"
1343   ;;
1344   --enable-guest-agent) guest_agent="yes"
1345   ;;
1346   --disable-guest-agent) guest_agent="no"
1347   ;;
1348   --enable-guest-agent-msi) guest_agent_msi="yes"
1349   ;;
1350   --disable-guest-agent-msi) guest_agent_msi="no"
1351   ;;
1352   --with-vss-sdk) vss_win32_sdk=""
1353   ;;
1354   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1355   ;;
1356   --without-vss-sdk) vss_win32_sdk="no"
1357   ;;
1358   --with-win-sdk) win_sdk=""
1359   ;;
1360   --with-win-sdk=*) win_sdk="$optarg"
1361   ;;
1362   --without-win-sdk) win_sdk="no"
1363   ;;
1364   --enable-tools) want_tools="yes"
1365   ;;
1366   --disable-tools) want_tools="no"
1367   ;;
1368   --enable-seccomp) seccomp="yes"
1369   ;;
1370   --disable-seccomp) seccomp="no"
1371   ;;
1372   --disable-glusterfs) glusterfs="no"
1373   ;;
1374   --disable-avx2) avx2_opt="no"
1375   ;;
1376   --enable-avx2) avx2_opt="yes"
1377   ;;
1378   --enable-glusterfs) glusterfs="yes"
1379   ;;
1380   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1381       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1382   ;;
1383   --enable-vhdx|--disable-vhdx)
1384       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1385   ;;
1386   --enable-uuid|--disable-uuid)
1387       echo "$0: $opt is obsolete, UUID support is always built" >&2
1388   ;;
1389   --disable-gtk) gtk="no"
1390   ;;
1391   --enable-gtk) gtk="yes"
1392   ;;
1393   --tls-priority=*) tls_priority="$optarg"
1394   ;;
1395   --disable-gnutls) gnutls="no"
1396   ;;
1397   --enable-gnutls) gnutls="yes"
1398   ;;
1399   --disable-nettle) nettle="no"
1400   ;;
1401   --enable-nettle) nettle="yes"
1402   ;;
1403   --disable-gcrypt) gcrypt="no"
1404   ;;
1405   --enable-gcrypt) gcrypt="yes"
1406   ;;
1407   --disable-auth-pam) auth_pam="no"
1408   ;;
1409   --enable-auth-pam) auth_pam="yes"
1410   ;;
1411   --enable-rdma) rdma="yes"
1412   ;;
1413   --disable-rdma) rdma="no"
1414   ;;
1415   --enable-pvrdma) pvrdma="yes"
1416   ;;
1417   --disable-pvrdma) pvrdma="no"
1418   ;;
1419   --disable-vte) vte="no"
1420   ;;
1421   --enable-vte) vte="yes"
1422   ;;
1423   --disable-virglrenderer) virglrenderer="no"
1424   ;;
1425   --enable-virglrenderer) virglrenderer="yes"
1426   ;;
1427   --disable-tpm) tpm="no"
1428   ;;
1429   --enable-tpm) tpm="yes"
1430   ;;
1431   --disable-libssh2) libssh2="no"
1432   ;;
1433   --enable-libssh2) libssh2="yes"
1434   ;;
1435   --disable-live-block-migration) live_block_migration="no"
1436   ;;
1437   --enable-live-block-migration) live_block_migration="yes"
1438   ;;
1439   --disable-numa) numa="no"
1440   ;;
1441   --enable-numa) numa="yes"
1442   ;;
1443   --disable-libxml2) libxml2="no"
1444   ;;
1445   --enable-libxml2) libxml2="yes"
1446   ;;
1447   --disable-tcmalloc) tcmalloc="no"
1448   ;;
1449   --enable-tcmalloc) tcmalloc="yes"
1450   ;;
1451   --disable-jemalloc) jemalloc="no"
1452   ;;
1453   --enable-jemalloc) jemalloc="yes"
1454   ;;
1455   --disable-replication) replication="no"
1456   ;;
1457   --enable-replication) replication="yes"
1458   ;;
1459   --disable-vxhs) vxhs="no"
1460   ;;
1461   --enable-vxhs) vxhs="yes"
1462   ;;
1463   --disable-bochs) bochs="no"
1464   ;;
1465   --enable-bochs) bochs="yes"
1466   ;;
1467   --disable-cloop) cloop="no"
1468   ;;
1469   --enable-cloop) cloop="yes"
1470   ;;
1471   --disable-dmg) dmg="no"
1472   ;;
1473   --enable-dmg) dmg="yes"
1474   ;;
1475   --disable-qcow1) qcow1="no"
1476   ;;
1477   --enable-qcow1) qcow1="yes"
1478   ;;
1479   --disable-vdi) vdi="no"
1480   ;;
1481   --enable-vdi) vdi="yes"
1482   ;;
1483   --disable-vvfat) vvfat="no"
1484   ;;
1485   --enable-vvfat) vvfat="yes"
1486   ;;
1487   --disable-qed) qed="no"
1488   ;;
1489   --enable-qed) qed="yes"
1490   ;;
1491   --disable-parallels) parallels="no"
1492   ;;
1493   --enable-parallels) parallels="yes"
1494   ;;
1495   --disable-sheepdog) sheepdog="no"
1496   ;;
1497   --enable-sheepdog) sheepdog="yes"
1498   ;;
1499   --disable-vhost-user) vhost_user="no"
1500   ;;
1501   --enable-vhost-user) vhost_user="yes"
1502   ;;
1503   --disable-vhost-kernel) vhost_kernel="no"
1504   ;;
1505   --enable-vhost-kernel) vhost_kernel="yes"
1506   ;;
1507   --disable-capstone) capstone="no"
1508   ;;
1509   --enable-capstone) capstone="yes"
1510   ;;
1511   --enable-capstone=git) capstone="git"
1512   ;;
1513   --enable-capstone=system) capstone="system"
1514   ;;
1515   --with-git=*) git="$optarg"
1516   ;;
1517   --enable-git-update) git_update=yes
1518   ;;
1519   --disable-git-update) git_update=no
1520   ;;
1521   --enable-debug-mutex) debug_mutex=yes
1522   ;;
1523   --disable-debug-mutex) debug_mutex=no
1524   ;;
1525   --enable-libpmem) libpmem=yes
1526   ;;
1527   --disable-libpmem) libpmem=no
1528   ;;
1529   *)
1530       echo "ERROR: unknown option $opt"
1531       echo "Try '$0 --help' for more information"
1532       exit 1
1533   ;;
1534   esac
1535 done
1536
1537 case "$cpu" in
1538     ppc)
1539            CPU_CFLAGS="-m32"
1540            LDFLAGS="-m32 $LDFLAGS"
1541            cross_cc_powerpc=$cc
1542            cross_cc_cflags_powerpc=$CPU_CFLAGS
1543            ;;
1544     ppc64)
1545            CPU_CFLAGS="-m64"
1546            LDFLAGS="-m64 $LDFLAGS"
1547            cross_cc_ppc64=$cc
1548            cross_cc_cflags_ppc64=$CPU_CFLAGS
1549            ;;
1550     sparc)
1551            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1552            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1553            cross_cc_sparc=$cc
1554            cross_cc_cflags_sparc=$CPU_CFLAGS
1555            ;;
1556     sparc64)
1557            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1558            LDFLAGS="-m64 $LDFLAGS"
1559            cross_cc_sparc64=$cc
1560            cross_cc_cflags_sparc64=$CPU_CFLAGS
1561            ;;
1562     s390)
1563            CPU_CFLAGS="-m31"
1564            LDFLAGS="-m31 $LDFLAGS"
1565            cross_cc_s390=$cc
1566            cross_cc_cflags_s390=$CPU_CFLAGS
1567            ;;
1568     s390x)
1569            CPU_CFLAGS="-m64"
1570            LDFLAGS="-m64 $LDFLAGS"
1571            cross_cc_s390x=$cc
1572            cross_cc_cflags_s390x=$CPU_CFLAGS
1573            ;;
1574     i386)
1575            CPU_CFLAGS="-m32"
1576            LDFLAGS="-m32 $LDFLAGS"
1577            cross_cc_i386=$cc
1578            cross_cc_cflags_i386=$CPU_CFLAGS
1579            ;;
1580     x86_64)
1581            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1582            # If we truly care, we should simply detect this case at
1583            # runtime and generate the fallback to serial emulation.
1584            CPU_CFLAGS="-m64 -mcx16"
1585            LDFLAGS="-m64 $LDFLAGS"
1586            cross_cc_x86_64=$cc
1587            cross_cc_cflags_x86_64=$CPU_CFLAGS
1588            ;;
1589     x32)
1590            CPU_CFLAGS="-mx32"
1591            LDFLAGS="-mx32 $LDFLAGS"
1592            cross_cc_i386=$cc
1593            cross_cc_cflags_i386=$CPU_CFLAGS
1594            ;;
1595     # No special flags required for other host CPUs
1596 esac
1597
1598 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1599
1600 # For user-mode emulation the host arch has to be one we explicitly
1601 # support, even if we're using TCI.
1602 if [ "$ARCH" = "unknown" ]; then
1603   bsd_user="no"
1604   linux_user="no"
1605 fi
1606
1607 default_target_list=""
1608
1609 mak_wilds=""
1610
1611 if [ "$softmmu" = "yes" ]; then
1612     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1613 fi
1614 if [ "$linux_user" = "yes" ]; then
1615     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1616 fi
1617 if [ "$bsd_user" = "yes" ]; then
1618     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1619 fi
1620
1621 if test -z "$target_list_exclude"; then
1622     for config in $mak_wilds; do
1623         default_target_list="${default_target_list} $(basename "$config" .mak)"
1624     done
1625 else
1626     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1627     for config in $mak_wilds; do
1628         target="$(basename "$config" .mak)"
1629         exclude="no"
1630         for excl in $exclude_list; do
1631             if test "$excl" = "$target"; then
1632                 exclude="yes"
1633                 break;
1634             fi
1635         done
1636         if test "$exclude" = "no"; then
1637             default_target_list="${default_target_list} $target"
1638         fi
1639     done
1640 fi
1641
1642 # Enumerate public trace backends for --help output
1643 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1644
1645 if test x"$show_help" = x"yes" ; then
1646 cat << EOF
1647
1648 Usage: configure [options]
1649 Options: [defaults in brackets after descriptions]
1650
1651 Standard options:
1652   --help                   print this message
1653   --prefix=PREFIX          install in PREFIX [$prefix]
1654   --interp-prefix=PREFIX   where to find shared libraries, etc.
1655                            use %M for cpu name [$interp_prefix]
1656   --target-list=LIST       set target list (default: build everything)
1657 $(echo Available targets: $default_target_list | \
1658   fold -s -w 53 | sed -e 's/^/                           /')
1659   --target-list-exclude=LIST exclude a set of targets from the default target-list
1660
1661 Advanced options (experts only):
1662   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1663   --cc=CC                  use C compiler CC [$cc]
1664   --iasl=IASL              use ACPI compiler IASL [$iasl]
1665   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1666                            build time
1667   --cxx=CXX                use C++ compiler CXX [$cxx]
1668   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1669   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1670   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1671   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1672   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1673   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1674   --make=MAKE              use specified make [$make]
1675   --install=INSTALL        use specified install [$install]
1676   --python=PYTHON          use specified python [$python]
1677   --smbd=SMBD              use specified smbd [$smbd]
1678   --with-git=GIT           use specified git [$git]
1679   --static                 enable static build [$static]
1680   --mandir=PATH            install man pages in PATH
1681   --datadir=PATH           install firmware in PATH$confsuffix
1682   --docdir=PATH            install documentation in PATH$confsuffix
1683   --bindir=PATH            install binaries in PATH
1684   --libdir=PATH            install libraries in PATH
1685   --libexecdir=PATH        install helper binaries in PATH
1686   --sysconfdir=PATH        install config in PATH$confsuffix
1687   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1688   --firmwarepath=PATH      search PATH for firmware files
1689   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1690   --with-pkgversion=VERS   use specified string as sub-version of the package
1691   --enable-debug           enable common debug build options
1692   --enable-sanitizers      enable default sanitizers
1693   --disable-strip          disable stripping binaries
1694   --disable-werror         disable compilation abort on warning
1695   --disable-stack-protector disable compiler-provided stack protection
1696   --audio-drv-list=LIST    set audio drivers list:
1697                            Available drivers: $audio_possible_drivers
1698   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1699   --block-drv-rw-whitelist=L
1700                            set block driver read-write whitelist
1701                            (affects only QEMU, not qemu-img)
1702   --block-drv-ro-whitelist=L
1703                            set block driver read-only whitelist
1704                            (affects only QEMU, not qemu-img)
1705   --enable-trace-backends=B Set trace backend
1706                            Available backends: $trace_backend_list
1707   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1708                            Default:trace-<pid>
1709   --disable-slirp          disable SLIRP userspace network connectivity
1710   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1711   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1712   --oss-lib                path to OSS library
1713   --cpu=CPU                Build for host CPU [$cpu]
1714   --with-coroutine=BACKEND coroutine backend. Supported options:
1715                            ucontext, sigaltstack, windows
1716   --enable-gcov            enable test coverage analysis with gcov
1717   --gcov=GCOV              use specified gcov [$gcov_tool]
1718   --disable-blobs          disable installing provided firmware blobs
1719   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1720   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1721   --tls-priority           default TLS protocol/cipher priority string
1722   --enable-gprof           QEMU profiling with gprof
1723   --enable-profiler        profiler support
1724   --enable-debug-stack-usage
1725                            track the maximum stack usage of stacks created by qemu_alloc_stack
1726
1727 Optional features, enabled with --enable-FEATURE and
1728 disabled with --disable-FEATURE, default is enabled if available:
1729
1730   system          all system emulation targets
1731   user            supported user emulation targets
1732   linux-user      all linux usermode emulation targets
1733   bsd-user        all BSD usermode emulation targets
1734   docs            build documentation
1735   guest-agent     build the QEMU Guest Agent
1736   guest-agent-msi build guest agent Windows MSI installation package
1737   pie             Position Independent Executables
1738   modules         modules support
1739   debug-tcg       TCG debugging (default is disabled)
1740   debug-info      debugging information
1741   sparse          sparse checker
1742
1743   gnutls          GNUTLS cryptography support
1744   nettle          nettle cryptography support
1745   gcrypt          libgcrypt cryptography support
1746   auth-pam        PAM access control
1747   sdl             SDL UI
1748   sdl_image       SDL Image support for icons
1749   gtk             gtk UI
1750   vte             vte support for the gtk UI
1751   curses          curses UI
1752   iconv           font glyph conversion support
1753   vnc             VNC UI support
1754   vnc-sasl        SASL encryption for VNC server
1755   vnc-jpeg        JPEG lossy compression for VNC server
1756   vnc-png         PNG compression for VNC server
1757   cocoa           Cocoa UI (Mac OS X only)
1758   virtfs          VirtFS
1759   mpath           Multipath persistent reservation passthrough
1760   xen             xen backend driver support
1761   xen-pci-passthrough    PCI passthrough support for Xen
1762   brlapi          BrlAPI (Braile)
1763   curl            curl connectivity
1764   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1765   fdt             fdt device tree
1766   bluez           bluez stack connectivity
1767   kvm             KVM acceleration support
1768   hax             HAX acceleration support
1769   hvf             Hypervisor.framework acceleration support
1770   whpx            Windows Hypervisor Platform acceleration support
1771   rdma            Enable RDMA-based migration
1772   pvrdma          Enable PVRDMA support
1773   vde             support for vde network
1774   netmap          support for netmap network
1775   linux-aio       Linux AIO support
1776   cap-ng          libcap-ng support
1777   attr            attr and xattr support
1778   vhost-net       vhost-net kernel acceleration support
1779   vhost-vsock     virtio sockets device support
1780   vhost-scsi      vhost-scsi kernel target support
1781   vhost-crypto    vhost-user-crypto backend support
1782   vhost-kernel    vhost kernel backend support
1783   vhost-user      vhost-user backend support
1784   spice           spice
1785   rbd             rados block device (rbd)
1786   libiscsi        iscsi support
1787   libnfs          nfs support
1788   smartcard       smartcard support (libcacard)
1789   libusb          libusb (for usb passthrough)
1790   live-block-migration   Block migration in the main migration stream
1791   usb-redir       usb network redirection support
1792   lzo             support of lzo compression library
1793   snappy          support of snappy compression library
1794   bzip2           support of bzip2 compression library
1795                   (for reading bzip2-compressed dmg images)
1796   lzfse           support of lzfse compression library
1797                   (for reading lzfse-compressed dmg images)
1798   seccomp         seccomp support
1799   coroutine-pool  coroutine freelist (better performance)
1800   glusterfs       GlusterFS backend
1801   tpm             TPM support
1802   libssh2         ssh block device support
1803   numa            libnuma support
1804   libxml2         for Parallels image format
1805   tcmalloc        tcmalloc support
1806   jemalloc        jemalloc support
1807   avx2            AVX2 optimization support
1808   replication     replication support
1809   opengl          opengl support
1810   virglrenderer   virgl rendering support
1811   xfsctl          xfsctl support
1812   qom-cast-debug  cast debugging support
1813   tools           build qemu-io, qemu-nbd and qemu-img tools
1814   vxhs            Veritas HyperScale vDisk backend support
1815   bochs           bochs image format support
1816   cloop           cloop image format support
1817   dmg             dmg image format support
1818   qcow1           qcow v1 image format support
1819   vdi             vdi image format support
1820   vvfat           vvfat image format support
1821   qed             qed image format support
1822   parallels       parallels image format support
1823   sheepdog        sheepdog block driver support
1824   crypto-afalg    Linux AF_ALG crypto backend driver
1825   capstone        capstone disassembler support
1826   debug-mutex     mutex debugging support
1827   libpmem         libpmem support
1828
1829 NOTE: The object files are built at the place where configure is launched
1830 EOF
1831 exit 0
1832 fi
1833
1834 # Remove old dependency files to make sure that they get properly regenerated
1835 rm -f */config-devices.mak.d
1836
1837 if test -z "$python"
1838 then
1839     error_exit "Python not found. Use --python=/path/to/python"
1840 fi
1841
1842 # Note that if the Python conditional here evaluates True we will exit
1843 # with status 1 which is a shell 'false' value.
1844 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1845   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1846       "Use --python=/path/to/python to specify a supported Python."
1847 fi
1848
1849 # Preserve python version since some functionality is dependent on it
1850 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1851
1852 # Suppress writing compiled files
1853 python="$python -B"
1854
1855 # Check that the C compiler works. Doing this here before testing
1856 # the host CPU ensures that we had a valid CC to autodetect the
1857 # $cpu var (and we should bail right here if that's not the case).
1858 # It also allows the help message to be printed without a CC.
1859 write_c_skeleton;
1860 if compile_object ; then
1861   : C compiler works ok
1862 else
1863     error_exit "\"$cc\" either does not exist or does not work"
1864 fi
1865 if ! compile_prog ; then
1866     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1867 fi
1868
1869 # Now we have handled --enable-tcg-interpreter and know we're not just
1870 # printing the help message, bail out if the host CPU isn't supported.
1871 if test "$ARCH" = "unknown"; then
1872     if test "$tcg_interpreter" = "yes" ; then
1873         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1874     else
1875         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1876     fi
1877 fi
1878
1879 # Consult white-list to determine whether to enable werror
1880 # by default.  Only enable by default for git builds
1881 if test -z "$werror" ; then
1882     if test -e "$source_path/.git" && \
1883         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1884         werror="yes"
1885     else
1886         werror="no"
1887     fi
1888 fi
1889
1890 if test "$bogus_os" = "yes"; then
1891     # Now that we know that we're not printing the help and that
1892     # the compiler works (so the results of the check_defines we used
1893     # to identify the OS are reliable), if we didn't recognize the
1894     # host OS we should stop now.
1895     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1896 fi
1897
1898 # Check whether the compiler matches our minimum requirements:
1899 cat > $TMPC << EOF
1900 #if defined(__clang_major__) && defined(__clang_minor__)
1901 # ifdef __apple_build_version__
1902 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1903 #   error You need at least XCode Clang v5.1 to compile QEMU
1904 #  endif
1905 # else
1906 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1907 #   error You need at least Clang v3.4 to compile QEMU
1908 #  endif
1909 # endif
1910 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1911 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1912 #  error You need at least GCC v4.8 to compile QEMU
1913 # endif
1914 #else
1915 # error You either need GCC or Clang to compiler QEMU
1916 #endif
1917 int main (void) { return 0; }
1918 EOF
1919 if ! compile_prog "" "" ; then
1920     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1921 fi
1922
1923 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1924 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1925 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1926 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1927 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1928 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1929 # Note that we do not add -Werror to gcc_flags here, because that would
1930 # enable it for all configure tests. If a configure test failed due
1931 # to -Werror this would just silently disable some features,
1932 # so it's too error prone.
1933
1934 cc_has_warning_flag() {
1935     write_c_skeleton;
1936
1937     # Use the positive sense of the flag when testing for -Wno-wombat
1938     # support (gcc will happily accept the -Wno- form of unknown
1939     # warning options).
1940     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1941     compile_prog "-Werror $optflag" ""
1942 }
1943
1944 for flag in $gcc_flags; do
1945     if cc_has_warning_flag $flag ; then
1946         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1947     fi
1948 done
1949
1950 if test "$stack_protector" != "no"; then
1951   cat > $TMPC << EOF
1952 int main(int argc, char *argv[])
1953 {
1954     char arr[64], *p = arr, *c = argv[0];
1955     while (*c) {
1956         *p++ = *c++;
1957     }
1958     return 0;
1959 }
1960 EOF
1961   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1962   sp_on=0
1963   for flag in $gcc_flags; do
1964     # We need to check both a compile and a link, since some compiler
1965     # setups fail only on a .c->.o compile and some only at link time
1966     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1967        compile_prog "-Werror $flag" ""; then
1968       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1969       sp_on=1
1970       break
1971     fi
1972   done
1973   if test "$stack_protector" = yes; then
1974     if test $sp_on = 0; then
1975       error_exit "Stack protector not supported"
1976     fi
1977   fi
1978 fi
1979
1980 # Disable -Wmissing-braces on older compilers that warn even for
1981 # the "universal" C zero initializer {0}.
1982 cat > $TMPC << EOF
1983 struct {
1984   int a[2];
1985 } x = {0};
1986 EOF
1987 if compile_object "-Werror" "" ; then
1988   :
1989 else
1990   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1991 fi
1992
1993 # Static linking is not possible with modules or PIE
1994 if test "$static" = "yes" ; then
1995   if test "$modules" = "yes" ; then
1996     error_exit "static and modules are mutually incompatible"
1997   fi
1998   if test "$pie" = "yes" ; then
1999     error_exit "static and pie are mutually incompatible"
2000   else
2001     pie="no"
2002   fi
2003 fi
2004
2005 # Unconditional check for compiler __thread support
2006   cat > $TMPC << EOF
2007 static __thread int tls_var;
2008 int main(void) { return tls_var; }
2009 EOF
2010
2011 if ! compile_prog "-Werror" "" ; then
2012     error_exit "Your compiler does not support the __thread specifier for " \
2013         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2014 fi
2015
2016 if test "$pie" = ""; then
2017   case "$cpu-$targetos" in
2018     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2019       ;;
2020     *)
2021       pie="no"
2022       ;;
2023   esac
2024 fi
2025
2026 if test "$pie" != "no" ; then
2027   cat > $TMPC << EOF
2028
2029 #ifdef __linux__
2030 #  define THREAD __thread
2031 #else
2032 #  define THREAD
2033 #endif
2034
2035 static THREAD int tls_var;
2036
2037 int main(void) { return tls_var; }
2038
2039 EOF
2040   if compile_prog "-fPIE -DPIE" "-pie"; then
2041     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2042     LDFLAGS="-pie $LDFLAGS"
2043     pie="yes"
2044     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2045       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2046     fi
2047   else
2048     if test "$pie" = "yes"; then
2049       error_exit "PIE not available due to missing toolchain support"
2050     else
2051       echo "Disabling PIE due to missing toolchain support"
2052       pie="no"
2053     fi
2054   fi
2055
2056   if compile_prog "-Werror -fno-pie" "-nopie"; then
2057     CFLAGS_NOPIE="-fno-pie"
2058     LDFLAGS_NOPIE="-nopie"
2059   fi
2060 fi
2061
2062 ##########################################
2063 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2064 # use i686 as default anyway, but for those that don't, an explicit
2065 # specification is necessary
2066
2067 if test "$cpu" = "i386"; then
2068   cat > $TMPC << EOF
2069 static int sfaa(int *ptr)
2070 {
2071   return __sync_fetch_and_and(ptr, 0);
2072 }
2073
2074 int main(void)
2075 {
2076   int val = 42;
2077   val = __sync_val_compare_and_swap(&val, 0, 1);
2078   sfaa(&val);
2079   return val;
2080 }
2081 EOF
2082   if ! compile_prog "" "" ; then
2083     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2084   fi
2085 fi
2086
2087 #########################################
2088 # Solaris specific configure tool chain decisions
2089
2090 if test "$solaris" = "yes" ; then
2091   if has $install; then
2092     :
2093   else
2094     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2095         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2096         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2097   fi
2098   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2099     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2100         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2101         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2102   fi
2103   if has ar; then
2104     :
2105   else
2106     if test -f /usr/ccs/bin/ar ; then
2107       error_exit "No path includes ar" \
2108           "Add /usr/ccs/bin to your path and rerun configure"
2109     fi
2110     error_exit "No path includes ar"
2111   fi
2112 fi
2113
2114 if test -z "${target_list+xxx}" ; then
2115     for target in $default_target_list; do
2116         supported_target $target 2>/dev/null && \
2117             target_list="$target_list $target"
2118     done
2119     target_list="${target_list# }"
2120 else
2121     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2122     for target in $target_list; do
2123         # Check that we recognised the target name; this allows a more
2124         # friendly error message than if we let it fall through.
2125         case " $default_target_list " in
2126             *" $target "*)
2127                 ;;
2128             *)
2129                 error_exit "Unknown target name '$target'"
2130                 ;;
2131         esac
2132         supported_target $target || exit 1
2133     done
2134 fi
2135
2136 # see if system emulation was really requested
2137 case " $target_list " in
2138   *"-softmmu "*) softmmu=yes
2139   ;;
2140   *) softmmu=no
2141   ;;
2142 esac
2143
2144 feature_not_found() {
2145   feature=$1
2146   remedy=$2
2147
2148   error_exit "User requested feature $feature" \
2149       "configure was not able to find it." \
2150       "$remedy"
2151 }
2152
2153 # ---
2154 # big/little endian test
2155 cat > $TMPC << EOF
2156 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2157 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2158 extern int foo(short *, short *);
2159 int main(int argc, char *argv[]) {
2160     return foo(big_endian, little_endian);
2161 }
2162 EOF
2163
2164 if compile_object ; then
2165     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2166         bigendian="yes"
2167     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2168         bigendian="no"
2169     else
2170         echo big/little test failed
2171     fi
2172 else
2173     echo big/little test failed
2174 fi
2175
2176 ##########################################
2177 # cocoa implies not SDL or GTK
2178 # (the cocoa UI code currently assumes it is always the active UI
2179 # and doesn't interact well with other UI frontend code)
2180 if test "$cocoa" = "yes"; then
2181     if test "$sdl" = "yes"; then
2182         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2183     fi
2184     if test "$gtk" = "yes"; then
2185         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2186     fi
2187     gtk=no
2188     sdl=no
2189 fi
2190
2191 # Some versions of Mac OS X incorrectly define SIZE_MAX
2192 cat > $TMPC << EOF
2193 #include <stdint.h>
2194 #include <stdio.h>
2195 int main(int argc, char *argv[]) {
2196     return printf("%zu", SIZE_MAX);
2197 }
2198 EOF
2199 have_broken_size_max=no
2200 if ! compile_object -Werror ; then
2201     have_broken_size_max=yes
2202 fi
2203
2204 ##########################################
2205 # L2TPV3 probe
2206
2207 cat > $TMPC <<EOF
2208 #include <sys/socket.h>
2209 #include <linux/ip.h>
2210 int main(void) { return sizeof(struct mmsghdr); }
2211 EOF
2212 if compile_prog "" "" ; then
2213   l2tpv3=yes
2214 else
2215   l2tpv3=no
2216 fi
2217
2218 #########################################
2219 # vhost interdependencies and host support
2220
2221 # vhost backends
2222 test "$vhost_user" = "" && vhost_user=yes
2223 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2224   error_exit "vhost-user isn't available on win32"
2225 fi
2226 test "$vhost_kernel" = "" && vhost_kernel=$linux
2227 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2228   error_exit "vhost-kernel is only available on Linux"
2229 fi
2230
2231 # vhost-kernel devices
2232 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2233 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2234   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2235 fi
2236 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2237 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2238   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2239 fi
2240
2241 # vhost-user backends
2242 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2243 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2244   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2245 fi
2246 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2247 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2248   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2249 fi
2250
2251 # OR the vhost-kernel and vhost-user values for simplicity
2252 if test "$vhost_net" = ""; then
2253   test "$vhost_net_user" = "yes" && vhost_net=yes
2254   test "$vhost_kernel" = "yes" && vhost_net=yes
2255 fi
2256
2257 ##########################################
2258 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2259
2260 if test "$mingw32" = "yes"; then
2261     # Some versions of MinGW / Mingw-w64 lack localtime_r
2262     # and gmtime_r entirely.
2263     #
2264     # Some versions of Mingw-w64 define a macro for
2265     # localtime_r/gmtime_r.
2266     #
2267     # Some versions of Mingw-w64 will define functions
2268     # for localtime_r/gmtime_r, but only if you have
2269     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2270     # though, unistd.h and pthread.h both define
2271     # that for you.
2272     #
2273     # So this #undef localtime_r and #include <unistd.h>
2274     # are not in fact redundant.
2275 cat > $TMPC << EOF
2276 #include <unistd.h>
2277 #include <time.h>
2278 #undef localtime_r
2279 int main(void) { localtime_r(NULL, NULL); return 0; }
2280 EOF
2281     if compile_prog "" "" ; then
2282         localtime_r="yes"
2283     else
2284         localtime_r="no"
2285     fi
2286 fi
2287
2288 ##########################################
2289 # pkg-config probe
2290
2291 if ! has "$pkg_config_exe"; then
2292   error_exit "pkg-config binary '$pkg_config_exe' not found"
2293 fi
2294
2295 ##########################################
2296 # NPTL probe
2297
2298 if test "$linux_user" = "yes"; then
2299   cat > $TMPC <<EOF
2300 #include <sched.h>
2301 #include <linux/futex.h>
2302 int main(void) {
2303 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2304 #error bork
2305 #endif
2306   return 0;
2307 }
2308 EOF
2309   if ! compile_object ; then
2310     feature_not_found "nptl" "Install glibc and linux kernel headers."
2311   fi
2312 fi
2313
2314 ##########################################
2315 # lzo check
2316
2317 if test "$lzo" != "no" ; then
2318     cat > $TMPC << EOF
2319 #include <lzo/lzo1x.h>
2320 int main(void) { lzo_version(); return 0; }
2321 EOF
2322     if compile_prog "" "-llzo2" ; then
2323         libs_softmmu="$libs_softmmu -llzo2"
2324         lzo="yes"
2325     else
2326         if test "$lzo" = "yes"; then
2327             feature_not_found "liblzo2" "Install liblzo2 devel"
2328         fi
2329         lzo="no"
2330     fi
2331 fi
2332
2333 ##########################################
2334 # snappy check
2335
2336 if test "$snappy" != "no" ; then
2337     cat > $TMPC << EOF
2338 #include <snappy-c.h>
2339 int main(void) { snappy_max_compressed_length(4096); return 0; }
2340 EOF
2341     if compile_prog "" "-lsnappy" ; then
2342         libs_softmmu="$libs_softmmu -lsnappy"
2343         snappy="yes"
2344     else
2345         if test "$snappy" = "yes"; then
2346             feature_not_found "libsnappy" "Install libsnappy devel"
2347         fi
2348         snappy="no"
2349     fi
2350 fi
2351
2352 ##########################################
2353 # bzip2 check
2354
2355 if test "$bzip2" != "no" ; then
2356     cat > $TMPC << EOF
2357 #include <bzlib.h>
2358 int main(void) { BZ2_bzlibVersion(); return 0; }
2359 EOF
2360     if compile_prog "" "-lbz2" ; then
2361         bzip2="yes"
2362     else
2363         if test "$bzip2" = "yes"; then
2364             feature_not_found "libbzip2" "Install libbzip2 devel"
2365         fi
2366         bzip2="no"
2367     fi
2368 fi
2369
2370 ##########################################
2371 # lzfse check
2372
2373 if test "$lzfse" != "no" ; then
2374     cat > $TMPC << EOF
2375 #include <lzfse.h>
2376 int main(void) { lzfse_decode_scratch_size(); return 0; }
2377 EOF
2378     if compile_prog "" "-llzfse" ; then
2379         lzfse="yes"
2380     else
2381         if test "$lzfse" = "yes"; then
2382             feature_not_found "lzfse" "Install lzfse devel"
2383         fi
2384         lzfse="no"
2385     fi
2386 fi
2387
2388 ##########################################
2389 # libseccomp check
2390
2391 if test "$seccomp" != "no" ; then
2392     libseccomp_minver="2.3.0"
2393     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2394         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2395         seccomp_libs="$($pkg_config --libs libseccomp)"
2396         seccomp="yes"
2397     else
2398         if test "$seccomp" = "yes" ; then
2399             feature_not_found "libseccomp" \
2400                  "Install libseccomp devel >= $libseccomp_minver"
2401         fi
2402         seccomp="no"
2403     fi
2404 fi
2405 ##########################################
2406 # xen probe
2407
2408 if test "$xen" != "no" ; then
2409   # Check whether Xen library path is specified via --extra-ldflags to avoid
2410   # overriding this setting with pkg-config output. If not, try pkg-config
2411   # to obtain all needed flags.
2412
2413   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2414      $pkg_config --exists xencontrol ; then
2415     xen_ctrl_version="$(printf '%d%02d%02d' \
2416       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2417     xen=yes
2418     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2419     xen_pc="$xen_pc xenevtchn xendevicemodel"
2420     if $pkg_config --exists xentoolcore; then
2421       xen_pc="$xen_pc xentoolcore"
2422     fi
2423     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2424     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2425   else
2426
2427     xen_libs="-lxenstore -lxenctrl -lxenguest"
2428     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2429
2430     # First we test whether Xen headers and libraries are available.
2431     # If no, we are done and there is no Xen support.
2432     # If yes, more tests are run to detect the Xen version.
2433
2434     # Xen (any)
2435     cat > $TMPC <<EOF
2436 #include <xenctrl.h>
2437 int main(void) {
2438   return 0;
2439 }
2440 EOF
2441     if ! compile_prog "" "$xen_libs" ; then
2442       # Xen not found
2443       if test "$xen" = "yes" ; then
2444         feature_not_found "xen" "Install xen devel"
2445       fi
2446       xen=no
2447
2448     # Xen unstable
2449     elif
2450         cat > $TMPC <<EOF &&
2451 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2452 #define __XEN_TOOLS__
2453 #include <xendevicemodel.h>
2454 #include <xenforeignmemory.h>
2455 int main(void) {
2456   xendevicemodel_handle *xd;
2457   xenforeignmemory_handle *xfmem;
2458
2459   xd = xendevicemodel_open(0, 0);
2460   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2461
2462   xfmem = xenforeignmemory_open(0, 0);
2463   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2464
2465   return 0;
2466 }
2467 EOF
2468         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2469       then
2470       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2471       xen_ctrl_version=41100
2472       xen=yes
2473     elif
2474         cat > $TMPC <<EOF &&
2475 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2476 #include <xenforeignmemory.h>
2477 #include <xentoolcore.h>
2478 int main(void) {
2479   xenforeignmemory_handle *xfmem;
2480
2481   xfmem = xenforeignmemory_open(0, 0);
2482   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2483   xentoolcore_restrict_all(0);
2484
2485   return 0;
2486 }
2487 EOF
2488         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2489       then
2490       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2491       xen_ctrl_version=41000
2492       xen=yes
2493     elif
2494         cat > $TMPC <<EOF &&
2495 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2496 #define __XEN_TOOLS__
2497 #include <xendevicemodel.h>
2498 int main(void) {
2499   xendevicemodel_handle *xd;
2500
2501   xd = xendevicemodel_open(0, 0);
2502   xendevicemodel_close(xd);
2503
2504   return 0;
2505 }
2506 EOF
2507         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2508       then
2509       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2510       xen_ctrl_version=40900
2511       xen=yes
2512     elif
2513         cat > $TMPC <<EOF &&
2514 /*
2515  * If we have stable libs the we don't want the libxc compat
2516  * layers, regardless of what CFLAGS we may have been given.
2517  *
2518  * Also, check if xengnttab_grant_copy_segment_t is defined and
2519  * grant copy operation is implemented.
2520  */
2521 #undef XC_WANT_COMPAT_EVTCHN_API
2522 #undef XC_WANT_COMPAT_GNTTAB_API
2523 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2524 #include <xenctrl.h>
2525 #include <xenstore.h>
2526 #include <xenevtchn.h>
2527 #include <xengnttab.h>
2528 #include <xenforeignmemory.h>
2529 #include <stdint.h>
2530 #include <xen/hvm/hvm_info_table.h>
2531 #if !defined(HVM_MAX_VCPUS)
2532 # error HVM_MAX_VCPUS not defined
2533 #endif
2534 int main(void) {
2535   xc_interface *xc = NULL;
2536   xenforeignmemory_handle *xfmem;
2537   xenevtchn_handle *xe;
2538   xengnttab_handle *xg;
2539   xengnttab_grant_copy_segment_t* seg = NULL;
2540
2541   xs_daemon_open();
2542
2543   xc = xc_interface_open(0, 0, 0);
2544   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2545   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2546   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2547   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2548
2549   xfmem = xenforeignmemory_open(0, 0);
2550   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2551
2552   xe = xenevtchn_open(0, 0);
2553   xenevtchn_fd(xe);
2554
2555   xg = xengnttab_open(0, 0);
2556   xengnttab_grant_copy(xg, 0, seg);
2557
2558   return 0;
2559 }
2560 EOF
2561         compile_prog "" "$xen_libs $xen_stable_libs"
2562       then
2563       xen_ctrl_version=40800
2564       xen=yes
2565     elif
2566         cat > $TMPC <<EOF &&
2567 /*
2568  * If we have stable libs the we don't want the libxc compat
2569  * layers, regardless of what CFLAGS we may have been given.
2570  */
2571 #undef XC_WANT_COMPAT_EVTCHN_API
2572 #undef XC_WANT_COMPAT_GNTTAB_API
2573 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2574 #include <xenctrl.h>
2575 #include <xenstore.h>
2576 #include <xenevtchn.h>
2577 #include <xengnttab.h>
2578 #include <xenforeignmemory.h>
2579 #include <stdint.h>
2580 #include <xen/hvm/hvm_info_table.h>
2581 #if !defined(HVM_MAX_VCPUS)
2582 # error HVM_MAX_VCPUS not defined
2583 #endif
2584 int main(void) {
2585   xc_interface *xc = NULL;
2586   xenforeignmemory_handle *xfmem;
2587   xenevtchn_handle *xe;
2588   xengnttab_handle *xg;
2589
2590   xs_daemon_open();
2591
2592   xc = xc_interface_open(0, 0, 0);
2593   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2594   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2595   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2596   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2597
2598   xfmem = xenforeignmemory_open(0, 0);
2599   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2600
2601   xe = xenevtchn_open(0, 0);
2602   xenevtchn_fd(xe);
2603
2604   xg = xengnttab_open(0, 0);
2605   xengnttab_map_grant_ref(xg, 0, 0, 0);
2606
2607   return 0;
2608 }
2609 EOF
2610         compile_prog "" "$xen_libs $xen_stable_libs"
2611       then
2612       xen_ctrl_version=40701
2613       xen=yes
2614
2615     # Xen 4.6
2616     elif
2617         cat > $TMPC <<EOF &&
2618 #include <xenctrl.h>
2619 #include <xenstore.h>
2620 #include <stdint.h>
2621 #include <xen/hvm/hvm_info_table.h>
2622 #if !defined(HVM_MAX_VCPUS)
2623 # error HVM_MAX_VCPUS not defined
2624 #endif
2625 int main(void) {
2626   xc_interface *xc;
2627   xs_daemon_open();
2628   xc = xc_interface_open(0, 0, 0);
2629   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2630   xc_gnttab_open(NULL, 0);
2631   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2632   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2633   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2634   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2635   return 0;
2636 }
2637 EOF
2638         compile_prog "" "$xen_libs"
2639       then
2640       xen_ctrl_version=40600
2641       xen=yes
2642
2643     # Xen 4.5
2644     elif
2645         cat > $TMPC <<EOF &&
2646 #include <xenctrl.h>
2647 #include <xenstore.h>
2648 #include <stdint.h>
2649 #include <xen/hvm/hvm_info_table.h>
2650 #if !defined(HVM_MAX_VCPUS)
2651 # error HVM_MAX_VCPUS not defined
2652 #endif
2653 int main(void) {
2654   xc_interface *xc;
2655   xs_daemon_open();
2656   xc = xc_interface_open(0, 0, 0);
2657   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2658   xc_gnttab_open(NULL, 0);
2659   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2660   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2661   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2662   return 0;
2663 }
2664 EOF
2665         compile_prog "" "$xen_libs"
2666       then
2667       xen_ctrl_version=40500
2668       xen=yes
2669
2670     elif
2671         cat > $TMPC <<EOF &&
2672 #include <xenctrl.h>
2673 #include <xenstore.h>
2674 #include <stdint.h>
2675 #include <xen/hvm/hvm_info_table.h>
2676 #if !defined(HVM_MAX_VCPUS)
2677 # error HVM_MAX_VCPUS not defined
2678 #endif
2679 int main(void) {
2680   xc_interface *xc;
2681   xs_daemon_open();
2682   xc = xc_interface_open(0, 0, 0);
2683   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2684   xc_gnttab_open(NULL, 0);
2685   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2686   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2687   return 0;
2688 }
2689 EOF
2690         compile_prog "" "$xen_libs"
2691       then
2692       xen_ctrl_version=40200
2693       xen=yes
2694
2695     else
2696       if test "$xen" = "yes" ; then
2697         feature_not_found "xen (unsupported version)" \
2698                           "Install a supported xen (xen 4.2 or newer)"
2699       fi
2700       xen=no
2701     fi
2702
2703     if test "$xen" = yes; then
2704       if test $xen_ctrl_version -ge 40701  ; then
2705         libs_softmmu="$xen_stable_libs $libs_softmmu"
2706       fi
2707       libs_softmmu="$xen_libs $libs_softmmu"
2708     fi
2709   fi
2710 fi
2711
2712 if test "$xen_pci_passthrough" != "no"; then
2713   if test "$xen" = "yes" && test "$linux" = "yes"; then
2714     xen_pci_passthrough=yes
2715   else
2716     if test "$xen_pci_passthrough" = "yes"; then
2717       error_exit "User requested feature Xen PCI Passthrough" \
2718           " but this feature requires /sys from Linux"
2719     fi
2720     xen_pci_passthrough=no
2721   fi
2722 fi
2723
2724 ##########################################
2725 # Windows Hypervisor Platform accelerator (WHPX) check
2726 if test "$whpx" != "no" ; then
2727     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2728         whpx="yes"
2729     else
2730         if test "$whpx" = "yes"; then
2731             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2732         fi
2733         whpx="no"
2734     fi
2735 fi
2736
2737 ##########################################
2738 # Sparse probe
2739 if test "$sparse" != "no" ; then
2740   if has cgcc; then
2741     sparse=yes
2742   else
2743     if test "$sparse" = "yes" ; then
2744       feature_not_found "sparse" "Install sparse binary"
2745     fi
2746     sparse=no
2747   fi
2748 fi
2749
2750 ##########################################
2751 # X11 probe
2752 if $pkg_config --exists "x11"; then
2753     have_x11=yes
2754     x11_cflags=$($pkg_config --cflags x11)
2755     x11_libs=$($pkg_config --libs x11)
2756 fi
2757
2758 ##########################################
2759 # GTK probe
2760
2761 if test "$gtk" != "no"; then
2762     gtkpackage="gtk+-3.0"
2763     gtkx11package="gtk+-x11-3.0"
2764     gtkversion="3.14.0"
2765     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2766         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2767         gtk_libs=$($pkg_config --libs $gtkpackage)
2768         gtk_version=$($pkg_config --modversion $gtkpackage)
2769         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2770             need_x11=yes
2771             gtk_cflags="$gtk_cflags $x11_cflags"
2772             gtk_libs="$gtk_libs $x11_libs"
2773         fi
2774         gtk="yes"
2775     elif test "$gtk" = "yes"; then
2776         feature_not_found "gtk" "Install gtk3-devel"
2777     else
2778         gtk="no"
2779     fi
2780 fi
2781
2782
2783 ##########################################
2784 # GNUTLS probe
2785
2786 if test "$gnutls" != "no"; then
2787     pass="no"
2788     if $pkg_config --exists "gnutls >= 3.1.18"; then
2789         gnutls_cflags=$($pkg_config --cflags gnutls)
2790         gnutls_libs=$($pkg_config --libs gnutls)
2791         # Packaging for the static libraries is not always correct.
2792         # At least ubuntu 18.04 ships only shared libraries.
2793         write_c_skeleton
2794         if compile_prog "" "$gnutls_libs" ; then
2795             LIBS="$gnutls_libs $LIBS"
2796             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2797             pass="yes"
2798         fi
2799     fi
2800     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2801         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2802     else
2803         gnutls="$pass"
2804     fi
2805 fi
2806
2807
2808 # If user didn't give a --disable/enable-gcrypt flag,
2809 # then mark as disabled if user requested nettle
2810 # explicitly
2811 if test -z "$gcrypt"
2812 then
2813     if test "$nettle" = "yes"
2814     then
2815         gcrypt="no"
2816     fi
2817 fi
2818
2819 # If user didn't give a --disable/enable-nettle flag,
2820 # then mark as disabled if user requested gcrypt
2821 # explicitly
2822 if test -z "$nettle"
2823 then
2824     if test "$gcrypt" = "yes"
2825     then
2826         nettle="no"
2827     fi
2828 fi
2829
2830 has_libgcrypt() {
2831     if ! has "libgcrypt-config"
2832     then
2833         return 1
2834     fi
2835
2836     if test -n "$cross_prefix"
2837     then
2838         host=$(libgcrypt-config --host)
2839         if test "$host-" != $cross_prefix
2840         then
2841             return 1
2842         fi
2843     fi
2844
2845     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2846     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2847
2848     if test $maj != 1 || test $min -lt 5
2849     then
2850        return 1
2851     fi
2852
2853     return 0
2854 }
2855
2856
2857 if test "$nettle" != "no"; then
2858     pass="no"
2859     if $pkg_config --exists "nettle >= 2.7.1"; then
2860         nettle_cflags=$($pkg_config --cflags nettle)
2861         nettle_libs=$($pkg_config --libs nettle)
2862         nettle_version=$($pkg_config --modversion nettle)
2863         # Link test to make sure the given libraries work (e.g for static).
2864         write_c_skeleton
2865         if compile_prog "" "$nettle_libs" ; then
2866             LIBS="$nettle_libs $LIBS"
2867             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2868             if test -z "$gcrypt"; then
2869                gcrypt="no"
2870             fi
2871             pass="yes"
2872         fi
2873     fi
2874     if test "$pass" = "no" && test "$nettle" = "yes"; then
2875         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2876     else
2877         nettle="$pass"
2878     fi
2879 fi
2880
2881 if test "$gcrypt" != "no"; then
2882     pass="no"
2883     if has_libgcrypt; then
2884         gcrypt_cflags=$(libgcrypt-config --cflags)
2885         gcrypt_libs=$(libgcrypt-config --libs)
2886         # Debian has removed -lgpg-error from libgcrypt-config
2887         # as it "spreads unnecessary dependencies" which in
2888         # turn breaks static builds...
2889         if test "$static" = "yes"
2890         then
2891             gcrypt_libs="$gcrypt_libs -lgpg-error"
2892         fi
2893
2894         # Link test to make sure the given libraries work (e.g for static).
2895         write_c_skeleton
2896         if compile_prog "" "$gcrypt_libs" ; then
2897             LIBS="$gcrypt_libs $LIBS"
2898             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2899             pass="yes"
2900         fi
2901     fi
2902     if test "$pass" = "yes"; then
2903         gcrypt="yes"
2904         cat > $TMPC << EOF
2905 #include <gcrypt.h>
2906 int main(void) {
2907   gcry_mac_hd_t handle;
2908   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2909                 GCRY_MAC_FLAG_SECURE, NULL);
2910   return 0;
2911 }
2912 EOF
2913         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2914             gcrypt_hmac=yes
2915         fi
2916     elif test "$gcrypt" = "yes"; then
2917         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2918     else
2919         gcrypt="no"
2920     fi
2921 fi
2922
2923
2924 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2925 then
2926     error_exit "Only one of gcrypt & nettle can be enabled"
2927 fi
2928
2929 ##########################################
2930 # libtasn1 - only for the TLS creds/session test suite
2931
2932 tasn1=yes
2933 tasn1_cflags=""
2934 tasn1_libs=""
2935 if $pkg_config --exists "libtasn1"; then
2936     tasn1_cflags=$($pkg_config --cflags libtasn1)
2937     tasn1_libs=$($pkg_config --libs libtasn1)
2938 else
2939     tasn1=no
2940 fi
2941
2942
2943 ##########################################
2944 # PAM probe
2945
2946 if test "$auth_pam" != "no"; then
2947     cat > $TMPC <<EOF
2948 #include <security/pam_appl.h>
2949 #include <stdio.h>
2950 int main(void) {
2951    const char *service_name = "qemu";
2952    const char *user = "frank";
2953    const struct pam_conv pam_conv = { 0 };
2954    pam_handle_t *pamh = NULL;
2955    pam_start(service_name, user, &pam_conv, &pamh);
2956    return 0;
2957 }
2958 EOF
2959     if compile_prog "" "-lpam" ; then
2960         auth_pam=yes
2961     else
2962         if test "$auth_pam" = "yes"; then
2963             feature_not_found "PAM" "Install PAM development package"
2964         else
2965             auth_pam=no
2966         fi
2967     fi
2968 fi
2969
2970 ##########################################
2971 # getifaddrs (for tests/test-io-channel-socket )
2972
2973 have_ifaddrs_h=yes
2974 if ! check_include "ifaddrs.h" ; then
2975   have_ifaddrs_h=no
2976 fi
2977
2978 ##########################################
2979 # VTE probe
2980
2981 if test "$vte" != "no"; then
2982     vteminversion="0.32.0"
2983     if $pkg_config --exists "vte-2.91"; then
2984       vtepackage="vte-2.91"
2985     else
2986       vtepackage="vte-2.90"
2987     fi
2988     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2989         vte_cflags=$($pkg_config --cflags $vtepackage)
2990         vte_libs=$($pkg_config --libs $vtepackage)
2991         vteversion=$($pkg_config --modversion $vtepackage)
2992         vte="yes"
2993     elif test "$vte" = "yes"; then
2994         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2995     else
2996         vte="no"
2997     fi
2998 fi
2999
3000 ##########################################
3001 # SDL probe
3002
3003 # Look for sdl configuration program (pkg-config or sdl-config).  Try
3004 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
3005
3006 sdl_probe ()
3007 {
3008   if $pkg_config sdl2 --exists; then
3009     sdlconfig="$pkg_config sdl2"
3010     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3011   elif has ${sdl_config}; then
3012     sdlconfig="$sdl2_config"
3013     sdlversion=$($sdlconfig --version)
3014   else
3015     if test "$sdl" = "yes" ; then
3016       feature_not_found "sdl" "Install SDL2-devel"
3017     fi
3018     sdl=no
3019     # no need to do the rest
3020     return
3021   fi
3022   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
3023     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3024   fi
3025
3026   cat > $TMPC << EOF
3027 #include <SDL.h>
3028 #undef main /* We don't want SDL to override our main() */
3029 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3030 EOF
3031   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3032   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3033   if test "$static" = "yes" ; then
3034     if $pkg_config sdl2 --exists; then
3035       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3036     else
3037       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3038     fi
3039   else
3040     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3041   fi
3042   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3043     sdl=yes
3044
3045     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3046     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3047       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3048          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3049          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3050       fi
3051       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3052         :
3053       else
3054         sdl=no
3055       fi
3056     fi # static link
3057   else # sdl not found
3058     if test "$sdl" = "yes" ; then
3059       feature_not_found "sdl" "Install SDL2 devel"
3060     fi
3061     sdl=no
3062   fi # sdl compile test
3063 }
3064
3065 sdl_image_probe ()
3066 {
3067     if test "$sdl_image" != "no" ; then
3068         if $pkg_config SDL2_image --exists; then
3069             if test "$static" = "yes"; then
3070                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3071             else
3072                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3073             fi
3074             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3075             sdl_image=yes
3076
3077             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3078             sdl_libs="$sdl_libs $sdl_image_libs"
3079         else
3080             if test "$sdl_image" = "yes" ; then
3081                 feature_not_found "sdl_image" "Install SDL Image devel"
3082             else
3083                 sdl_image=no
3084             fi
3085         fi
3086     fi
3087 }
3088
3089 if test "$sdl" != "no" ; then
3090   sdl_probe
3091 fi
3092
3093 if test "$sdl" = "yes" ; then
3094   sdl_image_probe
3095 else
3096   if test "$sdl_image" = "yes"; then
3097     echo "warning: SDL Image requested, but SDL is not available, disabling"
3098   fi
3099   sdl_image=no
3100 fi
3101
3102 if test "$sdl" = "yes" ; then
3103   cat > $TMPC <<EOF
3104 #include <SDL.h>
3105 #if defined(SDL_VIDEO_DRIVER_X11)
3106 #include <X11/XKBlib.h>
3107 #else
3108 #error No x11 support
3109 #endif
3110 int main(void) { return 0; }
3111 EOF
3112   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3113     need_x11=yes
3114     sdl_cflags="$sdl_cflags $x11_cflags"
3115     sdl_libs="$sdl_libs $x11_libs"
3116   fi
3117 fi
3118
3119 ##########################################
3120 # RDMA needs OpenFabrics libraries
3121 if test "$rdma" != "no" ; then
3122   cat > $TMPC <<EOF
3123 #include <rdma/rdma_cma.h>
3124 int main(void) { return 0; }
3125 EOF
3126   rdma_libs="-lrdmacm -libverbs -libumad"
3127   if compile_prog "" "$rdma_libs" ; then
3128     rdma="yes"
3129     libs_softmmu="$libs_softmmu $rdma_libs"
3130   else
3131     if test "$rdma" = "yes" ; then
3132         error_exit \
3133             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3134             " Your options:" \
3135             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3136             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3137             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3138     fi
3139     rdma="no"
3140   fi
3141 fi
3142
3143 ##########################################
3144 # PVRDMA detection
3145
3146 cat > $TMPC <<EOF &&
3147 #include <sys/mman.h>
3148
3149 int
3150 main(void)
3151 {
3152     char buf = 0;
3153     void *addr = &buf;
3154     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3155
3156     return 0;
3157 }
3158 EOF
3159
3160 if test "$rdma" = "yes" ; then
3161     case "$pvrdma" in
3162     "")
3163         if compile_prog "" ""; then
3164             pvrdma="yes"
3165         else
3166             pvrdma="no"
3167         fi
3168         ;;
3169     "yes")
3170         if ! compile_prog "" ""; then
3171             error_exit "PVRDMA is not supported since mremap is not implemented"
3172         fi
3173         pvrdma="yes"
3174         ;;
3175     "no")
3176         pvrdma="no"
3177         ;;
3178     esac
3179 else
3180     if test "$pvrdma" = "yes" ; then
3181         error_exit "PVRDMA requires rdma suppport"
3182     fi
3183     pvrdma="no"
3184 fi
3185
3186 ##########################################
3187 # VNC SASL detection
3188 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3189   cat > $TMPC <<EOF
3190 #include <sasl/sasl.h>
3191 #include <stdio.h>
3192 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3193 EOF
3194   # Assuming Cyrus-SASL installed in /usr prefix
3195   vnc_sasl_cflags=""
3196   vnc_sasl_libs="-lsasl2"
3197   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3198     vnc_sasl=yes
3199     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3200     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3201   else
3202     if test "$vnc_sasl" = "yes" ; then
3203       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3204     fi
3205     vnc_sasl=no
3206   fi
3207 fi
3208
3209 ##########################################
3210 # VNC JPEG detection
3211 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3212 cat > $TMPC <<EOF
3213 #include <stdio.h>
3214 #include <jpeglib.h>
3215 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3216 EOF
3217     vnc_jpeg_cflags=""
3218     vnc_jpeg_libs="-ljpeg"
3219   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3220     vnc_jpeg=yes
3221     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3222     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3223   else
3224     if test "$vnc_jpeg" = "yes" ; then
3225       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3226     fi
3227     vnc_jpeg=no
3228   fi
3229 fi
3230
3231 ##########################################
3232 # VNC PNG detection
3233 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3234 cat > $TMPC <<EOF
3235 //#include <stdio.h>
3236 #include <png.h>
3237 #include <stddef.h>
3238 int main(void) {
3239     png_structp png_ptr;
3240     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3241     return png_ptr != 0;
3242 }
3243 EOF
3244   if $pkg_config libpng --exists; then
3245     vnc_png_cflags=$($pkg_config libpng --cflags)
3246     vnc_png_libs=$($pkg_config libpng --libs)
3247   else
3248     vnc_png_cflags=""
3249     vnc_png_libs="-lpng"
3250   fi
3251   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3252     vnc_png=yes
3253     libs_softmmu="$vnc_png_libs $libs_softmmu"
3254     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3255   else
3256     if test "$vnc_png" = "yes" ; then
3257       feature_not_found "vnc-png" "Install libpng devel"
3258     fi
3259     vnc_png=no
3260   fi
3261 fi
3262
3263 ##########################################
3264 # xkbcommon probe
3265 if test "$xkbcommon" != "no" ; then
3266   if $pkg_config xkbcommon --exists; then
3267     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3268     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3269     xkbcommon=yes
3270   else
3271     if test "$xkbcommon" = "yes" ; then
3272       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3273     fi
3274     xkbcommon=no
3275   fi
3276 fi
3277
3278
3279 ##########################################
3280 # xfsctl() probe, used for file-posix.c
3281 if test "$xfs" != "no" ; then
3282   cat > $TMPC << EOF
3283 #include <stddef.h>  /* NULL */
3284 #include <xfs/xfs.h>
3285 int main(void)
3286 {
3287     xfsctl(NULL, 0, 0, NULL);
3288     return 0;
3289 }
3290 EOF
3291   if compile_prog "" "" ; then
3292     xfs="yes"
3293   else
3294     if test "$xfs" = "yes" ; then
3295       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3296     fi
3297     xfs=no
3298   fi
3299 fi
3300
3301 ##########################################
3302 # vde libraries probe
3303 if test "$vde" != "no" ; then
3304   vde_libs="-lvdeplug"
3305   cat > $TMPC << EOF
3306 #include <libvdeplug.h>
3307 int main(void)
3308 {
3309     struct vde_open_args a = {0, 0, 0};
3310     char s[] = "";
3311     vde_open(s, s, &a);
3312     return 0;
3313 }
3314 EOF
3315   if compile_prog "" "$vde_libs" ; then
3316     vde=yes
3317   else
3318     if test "$vde" = "yes" ; then
3319       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3320     fi
3321     vde=no
3322   fi
3323 fi
3324
3325 ##########################################
3326 # netmap support probe
3327 # Apart from looking for netmap headers, we make sure that the host API version
3328 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3329 # a minor/major version number. Minor new features will be marked with values up
3330 # to 15, and if something happens that requires a change to the backend we will
3331 # move above 15, submit the backend fixes and modify this two bounds.
3332 if test "$netmap" != "no" ; then
3333   cat > $TMPC << EOF
3334 #include <inttypes.h>
3335 #include <net/if.h>
3336 #include <net/netmap.h>
3337 #include <net/netmap_user.h>
3338 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3339 #error
3340 #endif
3341 int main(void) { return 0; }
3342 EOF
3343   if compile_prog "" "" ; then
3344     netmap=yes
3345   else
3346     if test "$netmap" = "yes" ; then
3347       feature_not_found "netmap"
3348     fi
3349     netmap=no
3350   fi
3351 fi
3352
3353 ##########################################
3354 # libcap-ng library probe
3355 if test "$cap_ng" != "no" ; then
3356   cap_libs="-lcap-ng"
3357   cat > $TMPC << EOF
3358 #include <cap-ng.h>
3359 int main(void)
3360 {
3361     capng_capability_to_name(CAPNG_EFFECTIVE);
3362     return 0;
3363 }
3364 EOF
3365   if compile_prog "" "$cap_libs" ; then
3366     cap_ng=yes
3367     libs_tools="$cap_libs $libs_tools"
3368   else
3369     if test "$cap_ng" = "yes" ; then
3370       feature_not_found "cap_ng" "Install libcap-ng devel"
3371     fi
3372     cap_ng=no
3373   fi
3374 fi
3375
3376 ##########################################
3377 # Sound support libraries probe
3378
3379 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3380 for drv in $audio_drv_list; do
3381     case $drv in
3382     alsa | try-alsa)
3383     if $pkg_config alsa --exists; then
3384         alsa_libs=$($pkg_config alsa --libs)
3385         if test "$drv" = "try-alsa"; then
3386             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3387         fi
3388     else
3389         if test "$drv" = "try-alsa"; then
3390             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3391         else
3392             error_exit "$drv check failed" \
3393                 "Make sure to have the $drv libs and headers installed."
3394         fi
3395     fi
3396     ;;
3397
3398     pa | try-pa)
3399     if $pkg_config libpulse --exists; then
3400         pulse_libs=$($pkg_config libpulse --libs)
3401         audio_pt_int="yes"
3402         if test "$drv" = "try-pa"; then
3403             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3404         fi
3405     else
3406         if test "$drv" = "try-pa"; then
3407             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3408         else
3409             error_exit "$drv check failed" \
3410                 "Make sure to have the $drv libs and headers installed."
3411         fi
3412     fi
3413     ;;
3414
3415     sdl)
3416     if test "$sdl" = "no"; then
3417         error_exit "sdl not found or disabled, can not use sdl audio driver"
3418     fi
3419     ;;
3420
3421     try-sdl)
3422     if test "$sdl" = "no"; then
3423         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3424     else
3425         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3426     fi
3427     ;;
3428
3429     coreaudio)
3430       coreaudio_libs="-framework CoreAudio"
3431     ;;
3432
3433     dsound)
3434       dsound_libs="-lole32 -ldxguid"
3435       audio_win_int="yes"
3436     ;;
3437
3438     oss)
3439       oss_libs="$oss_lib"
3440     ;;
3441
3442     *)
3443     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3444         error_exit "Unknown driver '$drv' selected" \
3445             "Possible drivers are: $audio_possible_drivers"
3446     }
3447     ;;
3448     esac
3449 done
3450
3451 ##########################################
3452 # BrlAPI probe
3453
3454 if test "$brlapi" != "no" ; then
3455   brlapi_libs="-lbrlapi"
3456   cat > $TMPC << EOF
3457 #include <brlapi.h>
3458 #include <stddef.h>
3459 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3460 EOF
3461   if compile_prog "" "$brlapi_libs" ; then
3462     brlapi=yes
3463   else
3464     if test "$brlapi" = "yes" ; then
3465       feature_not_found "brlapi" "Install brlapi devel"
3466     fi
3467     brlapi=no
3468   fi
3469 fi
3470
3471 ##########################################
3472 # iconv probe
3473 if test "$iconv" != "no" ; then
3474   cat > $TMPC << EOF
3475 #include <iconv.h>
3476 int main(void) {
3477   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3478   return conv != (iconv_t) -1;
3479 }
3480 EOF
3481   iconv_prefix_list="/usr/local:/usr"
3482   iconv_lib_list=":-liconv"
3483   IFS=:
3484   for iconv_prefix in $iconv_prefix_list; do
3485     IFS=:
3486     iconv_cflags="-I$iconv_prefix/include"
3487     iconv_ldflags="-L$iconv_prefix/lib"
3488     for iconv_link in $iconv_lib_list; do
3489       unset IFS
3490       iconv_lib="$iconv_ldflags $iconv_link"
3491       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3492       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3493         iconv_found=yes
3494         break
3495       fi
3496     done
3497     if test "$iconv_found" = yes ; then
3498       break
3499     fi
3500   done
3501   if test "$iconv_found" = "yes" ; then
3502     iconv=yes
3503   else
3504     if test "$iconv" = "yes" ; then
3505       feature_not_found "iconv" "Install iconv devel"
3506     fi
3507     iconv=no
3508   fi
3509 fi
3510
3511 ##########################################
3512 # curses probe
3513 if test "$iconv" = "no" ; then
3514   # curses will need iconv
3515   curses=no
3516 fi
3517 if test "$curses" != "no" ; then
3518   if test "$mingw32" = "yes" ; then
3519     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3520     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3521   else
3522     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3523     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3524   fi
3525   curses_found=no
3526   cat > $TMPC << EOF
3527 #include <locale.h>
3528 #include <curses.h>
3529 #include <wchar.h>
3530 #include <langinfo.h>
3531 int main(void) {
3532   const char *codeset;
3533   wchar_t wch = L'w';
3534   setlocale(LC_ALL, "");
3535   resize_term(0, 0);
3536   addwstr(L"wide chars\n");
3537   addnwstr(&wch, 1);
3538   add_wch(WACS_DEGREE);
3539   codeset = nl_langinfo(CODESET);
3540   return codeset != 0;
3541 }
3542 EOF
3543   IFS=:
3544   for curses_inc in $curses_inc_list; do
3545     # Make sure we get the wide character prototypes
3546     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3547     IFS=:
3548     for curses_lib in $curses_lib_list; do
3549       unset IFS
3550       if compile_prog "$curses_inc" "$curses_lib" ; then
3551         curses_found=yes
3552         break
3553       fi
3554     done
3555     if test "$curses_found" = yes ; then
3556       break
3557     fi
3558   done
3559   unset IFS
3560   if test "$curses_found" = "yes" ; then
3561     curses=yes
3562   else
3563     if test "$curses" = "yes" ; then
3564       feature_not_found "curses" "Install ncurses devel"
3565     fi
3566     curses=no
3567   fi
3568 fi
3569
3570 ##########################################
3571 # curl probe
3572 if test "$curl" != "no" ; then
3573   if $pkg_config libcurl --exists; then
3574     curlconfig="$pkg_config libcurl"
3575   else
3576     curlconfig=curl-config
3577   fi
3578   cat > $TMPC << EOF
3579 #include <curl/curl.h>
3580 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3581 EOF
3582   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3583   curl_libs=$($curlconfig --libs 2>/dev/null)
3584   if compile_prog "$curl_cflags" "$curl_libs" ; then
3585     curl=yes
3586   else
3587     if test "$curl" = "yes" ; then
3588       feature_not_found "curl" "Install libcurl devel"
3589     fi
3590     curl=no
3591   fi
3592 fi # test "$curl"
3593
3594 ##########################################
3595 # bluez support probe
3596 if test "$bluez" != "no" ; then
3597   cat > $TMPC << EOF
3598 #include <bluetooth/bluetooth.h>
3599 int main(void) { return bt_error(0); }
3600 EOF
3601   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3602   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3603   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3604     bluez=yes
3605     libs_softmmu="$bluez_libs $libs_softmmu"
3606   else
3607     if test "$bluez" = "yes" ; then
3608       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3609     fi
3610     bluez="no"
3611   fi
3612 fi
3613
3614 ##########################################
3615 # glib support probe
3616
3617 glib_req_ver=2.40
3618 glib_modules=gthread-2.0
3619 if test "$modules" = yes; then
3620     glib_modules="$glib_modules gmodule-export-2.0"
3621 fi
3622
3623 # This workaround is required due to a bug in pkg-config file for glib as it
3624 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3625
3626 if test "$static" = yes && test "$mingw32" = yes; then
3627     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3628 fi
3629
3630 for i in $glib_modules; do
3631     if $pkg_config --atleast-version=$glib_req_ver $i; then
3632         glib_cflags=$($pkg_config --cflags $i)
3633         glib_libs=$($pkg_config --libs $i)
3634         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3635         LIBS="$glib_libs $LIBS"
3636         libs_qga="$glib_libs $libs_qga"
3637     else
3638         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3639     fi
3640 done
3641
3642 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3643     gio=yes
3644     gio_cflags=$($pkg_config --cflags gio-2.0)
3645     gio_libs=$($pkg_config --libs gio-2.0)
3646 else
3647     gio=no
3648 fi
3649
3650 # Sanity check that the current size_t matches the
3651 # size that glib thinks it should be. This catches
3652 # problems on multi-arch where people try to build
3653 # 32-bit QEMU while pointing at 64-bit glib headers
3654 cat > $TMPC <<EOF
3655 #include <glib.h>
3656 #include <unistd.h>
3657
3658 #define QEMU_BUILD_BUG_ON(x) \
3659   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3660
3661 int main(void) {
3662    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3663    return 0;
3664 }
3665 EOF
3666
3667 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3668     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3669                "You probably need to set PKG_CONFIG_LIBDIR"\
3670                "to point to the right pkg-config files for your"\
3671                "build target"
3672 fi
3673
3674 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3675 cat > $TMPC << EOF
3676 #include <glib.h>
3677 int main(void) { return 0; }
3678 EOF
3679 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3680     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3681         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3682         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3683     fi
3684 fi
3685
3686 #########################################
3687 # zlib check
3688
3689 if test "$zlib" != "no" ; then
3690     if $pkg_config --exists zlib; then
3691         zlib_cflags=$($pkg_config --cflags zlib)
3692         zlib_libs=$($pkg_config --libs zlib)
3693         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3694         LIBS="$zlib_libs $LIBS"
3695     else
3696         cat > $TMPC << EOF
3697 #include <zlib.h>
3698 int main(void) { zlibVersion(); return 0; }
3699 EOF
3700         if compile_prog "" "-lz" ; then
3701             LIBS="$LIBS -lz"
3702         else
3703             error_exit "zlib check failed" \
3704                 "Make sure to have the zlib libs and headers installed."
3705         fi
3706     fi
3707 fi
3708
3709 ##########################################
3710 # SHA command probe for modules
3711 if test "$modules" = yes; then
3712     shacmd_probe="sha1sum sha1 shasum"
3713     for c in $shacmd_probe; do
3714         if has $c; then
3715             shacmd="$c"
3716             break
3717         fi
3718     done
3719     if test "$shacmd" = ""; then
3720         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3721     fi
3722 fi
3723
3724 ##########################################
3725 # pixman support probe
3726
3727 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3728   pixman_cflags=
3729   pixman_libs=
3730 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3731   pixman_cflags=$($pkg_config --cflags pixman-1)
3732   pixman_libs=$($pkg_config --libs pixman-1)
3733 else
3734   error_exit "pixman >= 0.21.8 not present." \
3735       "Please install the pixman devel package."
3736 fi
3737
3738 ##########################################
3739 # libmpathpersist probe
3740
3741 if test "$mpath" != "no" ; then
3742   # probe for the new API
3743   cat > $TMPC <<EOF
3744 #include <libudev.h>
3745 #include <mpath_persist.h>
3746 unsigned mpath_mx_alloc_len = 1024;
3747 int logsink;
3748 static struct config *multipath_conf;
3749 extern struct udev *udev;
3750 extern struct config *get_multipath_config(void);
3751 extern void put_multipath_config(struct config *conf);
3752 struct udev *udev;
3753 struct config *get_multipath_config(void) { return multipath_conf; }
3754 void put_multipath_config(struct config *conf) { }
3755
3756 int main(void) {
3757     udev = udev_new();
3758     multipath_conf = mpath_lib_init();
3759     return 0;
3760 }
3761 EOF
3762   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3763     mpathpersist=yes
3764     mpathpersist_new_api=yes
3765   else
3766     # probe for the old API
3767     cat > $TMPC <<EOF
3768 #include <libudev.h>
3769 #include <mpath_persist.h>
3770 unsigned mpath_mx_alloc_len = 1024;
3771 int logsink;
3772 int main(void) {
3773     struct udev *udev = udev_new();
3774     mpath_lib_init(udev);
3775     return 0;
3776 }
3777 EOF
3778     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3779       mpathpersist=yes
3780       mpathpersist_new_api=no
3781     else
3782       mpathpersist=no
3783     fi
3784   fi
3785 else
3786   mpathpersist=no
3787 fi
3788
3789 ##########################################
3790 # libcap probe
3791
3792 if test "$cap" != "no" ; then
3793   cat > $TMPC <<EOF
3794 #include <stdio.h>
3795 #include <sys/capability.h>
3796 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3797 EOF
3798   if compile_prog "" "-lcap" ; then
3799     cap=yes
3800   else
3801     cap=no
3802   fi
3803 fi
3804
3805 ##########################################
3806 # pthread probe
3807 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3808
3809 pthread=no
3810 cat > $TMPC << EOF
3811 #include <pthread.h>
3812 static void *f(void *p) { return NULL; }
3813 int main(void) {
3814   pthread_t thread;
3815   pthread_create(&thread, 0, f, 0);
3816   return 0;
3817 }
3818 EOF
3819 if compile_prog "" "" ; then
3820   pthread=yes
3821 else
3822   for pthread_lib in $PTHREADLIBS_LIST; do
3823     if compile_prog "" "$pthread_lib" ; then
3824       pthread=yes
3825       found=no
3826       for lib_entry in $LIBS; do
3827         if test "$lib_entry" = "$pthread_lib"; then
3828           found=yes
3829           break
3830         fi
3831       done
3832       if test "$found" = "no"; then
3833         LIBS="$pthread_lib $LIBS"
3834         libs_qga="$pthread_lib $libs_qga"
3835       fi
3836       PTHREAD_LIB="$pthread_lib"
3837       break
3838     fi
3839   done
3840 fi
3841
3842 if test "$mingw32" != yes && test "$pthread" = no; then
3843   error_exit "pthread check failed" \
3844       "Make sure to have the pthread libs and headers installed."
3845 fi
3846
3847 # check for pthread_setname_np with thread id
3848 pthread_setname_np_w_tid=no
3849 cat > $TMPC << EOF
3850 #include <pthread.h>
3851
3852 static void *f(void *p) { return NULL; }
3853 int main(void)
3854 {
3855     pthread_t thread;
3856     pthread_create(&thread, 0, f, 0);
3857     pthread_setname_np(thread, "QEMU");
3858     return 0;
3859 }
3860 EOF
3861 if compile_prog "" "$pthread_lib" ; then
3862   pthread_setname_np_w_tid=yes
3863 fi
3864
3865 # check for pthread_setname_np without thread id
3866 pthread_setname_np_wo_tid=no
3867 cat > $TMPC << EOF
3868 #include <pthread.h>
3869
3870 static void *f(void *p) { pthread_setname_np("QEMU"); }
3871 int main(void)
3872 {
3873     pthread_t thread;
3874     pthread_create(&thread, 0, f, 0);
3875     return 0;
3876 }
3877 EOF
3878 if compile_prog "" "$pthread_lib" ; then
3879   pthread_setname_np_wo_tid=yes
3880 fi
3881
3882 ##########################################
3883 # rbd probe
3884 if test "$rbd" != "no" ; then
3885   cat > $TMPC <<EOF
3886 #include <stdio.h>
3887 #include <rbd/librbd.h>
3888 int main(void) {
3889     rados_t cluster;
3890     rados_create(&cluster, NULL);
3891     return 0;
3892 }
3893 EOF
3894   rbd_libs="-lrbd -lrados"
3895   if compile_prog "" "$rbd_libs" ; then
3896     rbd=yes
3897   else
3898     if test "$rbd" = "yes" ; then
3899       feature_not_found "rados block device" "Install librbd/ceph devel"
3900     fi
3901     rbd=no
3902   fi
3903 fi
3904
3905 ##########################################
3906 # libssh2 probe
3907 min_libssh2_version=1.2.8
3908 if test "$libssh2" != "no" ; then
3909   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3910     libssh2_cflags=$($pkg_config libssh2 --cflags)
3911     libssh2_libs=$($pkg_config libssh2 --libs)
3912     libssh2=yes
3913   else
3914     if test "$libssh2" = "yes" ; then
3915       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3916     fi
3917     libssh2=no
3918   fi
3919 fi
3920
3921 ##########################################
3922 # libssh2_sftp_fsync probe
3923
3924 if test "$libssh2" = "yes"; then
3925   cat > $TMPC <<EOF
3926 #include <stdio.h>
3927 #include <libssh2.h>
3928 #include <libssh2_sftp.h>
3929 int main(void) {
3930     LIBSSH2_SESSION *session;
3931     LIBSSH2_SFTP *sftp;
3932     LIBSSH2_SFTP_HANDLE *sftp_handle;
3933     session = libssh2_session_init ();
3934     sftp = libssh2_sftp_init (session);
3935     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3936     libssh2_sftp_fsync (sftp_handle);
3937     return 0;
3938 }
3939 EOF
3940   # libssh2_cflags/libssh2_libs defined in previous test.
3941   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3942     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3943   fi
3944 fi
3945
3946 ##########################################
3947 # linux-aio probe
3948
3949 if test "$linux_aio" != "no" ; then
3950   cat > $TMPC <<EOF
3951 #include <libaio.h>
3952 #include <sys/eventfd.h>
3953 #include <stddef.h>
3954 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3955 EOF
3956   if compile_prog "" "-laio" ; then
3957     linux_aio=yes
3958   else
3959     if test "$linux_aio" = "yes" ; then
3960       feature_not_found "linux AIO" "Install libaio devel"
3961     fi
3962     linux_aio=no
3963   fi
3964 fi
3965
3966 ##########################################
3967 # TPM emulation is only on POSIX
3968
3969 if test "$tpm" = ""; then
3970   if test "$mingw32" = "yes"; then
3971     tpm=no
3972   else
3973     tpm=yes
3974   fi
3975 elif test "$tpm" = "yes"; then
3976   if test "$mingw32" = "yes" ; then
3977     error_exit "TPM emulation only available on POSIX systems"
3978   fi
3979 fi
3980
3981 ##########################################
3982 # attr probe
3983
3984 if test "$attr" != "no" ; then
3985   cat > $TMPC <<EOF
3986 #include <stdio.h>
3987 #include <sys/types.h>
3988 #ifdef CONFIG_LIBATTR
3989 #include <attr/xattr.h>
3990 #else
3991 #include <sys/xattr.h>
3992 #endif
3993 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3994 EOF
3995   if compile_prog "" "" ; then
3996     attr=yes
3997   # Older distros have <attr/xattr.h>, and need -lattr:
3998   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3999     attr=yes
4000     LIBS="-lattr $LIBS"
4001     libattr=yes
4002   else
4003     if test "$attr" = "yes" ; then
4004       feature_not_found "ATTR" "Install libc6 or libattr devel"
4005     fi
4006     attr=no
4007   fi
4008 fi
4009
4010 ##########################################
4011 # iovec probe
4012 cat > $TMPC <<EOF
4013 #include <sys/types.h>
4014 #include <sys/uio.h>
4015 #include <unistd.h>
4016 int main(void) { return sizeof(struct iovec); }
4017 EOF
4018 iovec=no
4019 if compile_prog "" "" ; then
4020   iovec=yes
4021 fi
4022
4023 ##########################################
4024 # preadv probe
4025 cat > $TMPC <<EOF
4026 #include <sys/types.h>
4027 #include <sys/uio.h>
4028 #include <unistd.h>
4029 int main(void) { return preadv(0, 0, 0, 0); }
4030 EOF
4031 preadv=no
4032 if compile_prog "" "" ; then
4033   preadv=yes
4034 fi
4035
4036 ##########################################
4037 # fdt probe
4038 # fdt support is mandatory for at least some target architectures,
4039 # so insist on it if we're building those system emulators.
4040 fdt_required=no
4041 for target in $target_list; do
4042   case $target in
4043     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4044       fdt_required=yes
4045     ;;
4046   esac
4047 done
4048
4049 if test "$fdt_required" = "yes"; then
4050   if test "$fdt" = "no"; then
4051     error_exit "fdt disabled but some requested targets require it." \
4052       "You can turn off fdt only if you also disable all the system emulation" \
4053       "targets which need it (by specifying a cut down --target-list)."
4054   fi
4055   fdt=yes
4056 fi
4057
4058 if test "$fdt" != "no" ; then
4059   fdt_libs="-lfdt"
4060   # explicitly check for libfdt_env.h as it is missing in some stable installs
4061   # and test for required functions to make sure we are on a version >= 1.4.2
4062   cat > $TMPC << EOF
4063 #include <libfdt.h>
4064 #include <libfdt_env.h>
4065 int main(void) { fdt_check_full(NULL, 0); return 0; }
4066 EOF
4067   if compile_prog "" "$fdt_libs" ; then
4068     # system DTC is good - use it
4069     fdt=system
4070   else
4071       # have GIT checkout, so activate dtc submodule
4072       if test -e "${source_path}/.git" ; then
4073           git_submodules="${git_submodules} dtc"
4074       fi
4075       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4076           fdt=git
4077           mkdir -p dtc
4078           if [ "$pwd_is_source_path" != "y" ] ; then
4079               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4080               symlink "$source_path/dtc/scripts" "dtc/scripts"
4081           fi
4082           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4083           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4084           fdt_libs="$fdt_libs"
4085       elif test "$fdt" = "yes" ; then
4086           # Not a git build & no libfdt found, prompt for system install
4087           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4088                      "Please install the DTC (libfdt) devel package"
4089       else
4090           # don't have and don't want
4091           fdt_libs=
4092           fdt=no
4093       fi
4094   fi
4095 fi
4096
4097 libs_softmmu="$libs_softmmu $fdt_libs"
4098
4099 ##########################################
4100 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4101
4102 if test "$opengl" != "no" ; then
4103   opengl_pkgs="epoxy gbm"
4104   if $pkg_config $opengl_pkgs; then
4105     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4106     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4107     opengl=yes
4108     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4109         gtk_gl="yes"
4110     fi
4111     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4112   else
4113     if test "$opengl" = "yes" ; then
4114       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4115     fi
4116     opengl_cflags=""
4117     opengl_libs=""
4118     opengl=no
4119   fi
4120 fi
4121
4122 if test "$opengl" = "yes"; then
4123   cat > $TMPC << EOF
4124 #include <epoxy/egl.h>
4125 #ifndef EGL_MESA_image_dma_buf_export
4126 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4127 #endif
4128 int main(void) { return 0; }
4129 EOF
4130   if compile_prog "" "" ; then
4131     opengl_dmabuf=yes
4132   fi
4133 fi
4134
4135 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4136   for target in $target_list; do
4137     case $target in
4138       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4139         need_x11=yes
4140       ;;
4141     esac
4142   done
4143 fi
4144
4145 ##########################################
4146 # libxml2 probe
4147 if test "$libxml2" != "no" ; then
4148     if $pkg_config --exists libxml-2.0; then
4149         libxml2="yes"
4150         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4151         libxml2_libs=$($pkg_config --libs libxml-2.0)
4152     else
4153         if test "$libxml2" = "yes"; then
4154             feature_not_found "libxml2" "Install libxml2 devel"
4155         fi
4156         libxml2="no"
4157     fi
4158 fi
4159
4160 ##########################################
4161 # glusterfs probe
4162 if test "$glusterfs" != "no" ; then
4163   if $pkg_config --atleast-version=3 glusterfs-api; then
4164     glusterfs="yes"
4165     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4166     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4167     if $pkg_config --atleast-version=4 glusterfs-api; then
4168       glusterfs_xlator_opt="yes"
4169     fi
4170     if $pkg_config --atleast-version=5 glusterfs-api; then
4171       glusterfs_discard="yes"
4172     fi
4173     if $pkg_config --atleast-version=6 glusterfs-api; then
4174       glusterfs_fallocate="yes"
4175       glusterfs_zerofill="yes"
4176     fi
4177     cat > $TMPC << EOF
4178 #include <glusterfs/api/glfs.h>
4179
4180 int
4181 main(void)
4182 {
4183         /* new glfs_ftruncate() passes two additional args */
4184         return glfs_ftruncate(NULL, 0, NULL, NULL);
4185 }
4186 EOF
4187     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4188       glusterfs_ftruncate_has_stat="yes"
4189     fi
4190     cat > $TMPC << EOF
4191 #include <glusterfs/api/glfs.h>
4192
4193 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4194 static void
4195 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4196 {}
4197
4198 int
4199 main(void)
4200 {
4201         glfs_io_cbk iocb = &glusterfs_iocb;
4202         iocb(NULL, 0 , NULL, NULL, NULL);
4203         return 0;
4204 }
4205 EOF
4206     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4207       glusterfs_iocb_has_stat="yes"
4208     fi
4209   else
4210     if test "$glusterfs" = "yes" ; then
4211       feature_not_found "GlusterFS backend support" \
4212           "Install glusterfs-api devel >= 3"
4213     fi
4214     glusterfs="no"
4215   fi
4216 fi
4217
4218 # Check for inotify functions when we are building linux-user
4219 # emulator.  This is done because older glibc versions don't
4220 # have syscall stubs for these implemented.  In that case we
4221 # don't provide them even if kernel supports them.
4222 #
4223 inotify=no
4224 cat > $TMPC << EOF
4225 #include <sys/inotify.h>
4226
4227 int
4228 main(void)
4229 {
4230         /* try to start inotify */
4231         return inotify_init();
4232 }
4233 EOF
4234 if compile_prog "" "" ; then
4235   inotify=yes
4236 fi
4237
4238 inotify1=no
4239 cat > $TMPC << EOF
4240 #include <sys/inotify.h>
4241
4242 int
4243 main(void)
4244 {
4245     /* try to start inotify */
4246     return inotify_init1(0);
4247 }
4248 EOF
4249 if compile_prog "" "" ; then
4250   inotify1=yes
4251 fi
4252
4253 # check if pipe2 is there
4254 pipe2=no
4255 cat > $TMPC << EOF
4256 #include <unistd.h>
4257 #include <fcntl.h>
4258
4259 int main(void)
4260 {
4261     int pipefd[2];
4262     return pipe2(pipefd, O_CLOEXEC);
4263 }
4264 EOF
4265 if compile_prog "" "" ; then
4266   pipe2=yes
4267 fi
4268
4269 # check if accept4 is there
4270 accept4=no
4271 cat > $TMPC << EOF
4272 #include <sys/socket.h>
4273 #include <stddef.h>
4274
4275 int main(void)
4276 {
4277     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4278     return 0;
4279 }
4280 EOF
4281 if compile_prog "" "" ; then
4282   accept4=yes
4283 fi
4284
4285 # check if tee/splice is there. vmsplice was added same time.
4286 splice=no
4287 cat > $TMPC << EOF
4288 #include <unistd.h>
4289 #include <fcntl.h>
4290 #include <limits.h>
4291
4292 int main(void)
4293 {
4294     int len, fd = 0;
4295     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4296     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4297     return 0;
4298 }
4299 EOF
4300 if compile_prog "" "" ; then
4301   splice=yes
4302 fi
4303
4304 ##########################################
4305 # libnuma probe
4306
4307 if test "$numa" != "no" ; then
4308   cat > $TMPC << EOF
4309 #include <numa.h>
4310 int main(void) { return numa_available(); }
4311 EOF
4312
4313   if compile_prog "" "-lnuma" ; then
4314     numa=yes
4315     libs_softmmu="-lnuma $libs_softmmu"
4316   else
4317     if test "$numa" = "yes" ; then
4318       feature_not_found "numa" "install numactl devel"
4319     fi
4320     numa=no
4321   fi
4322 fi
4323
4324 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4325     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4326     exit 1
4327 fi
4328
4329 # Even if malloc_trim() is available, these non-libc memory allocators
4330 # do not support it.
4331 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4332     if test "$malloc_trim" = "yes" ; then
4333         echo "Disabling malloc_trim with non-libc memory allocator"
4334     fi
4335     malloc_trim="no"
4336 fi
4337
4338 #######################################
4339 # malloc_trim
4340
4341 if test "$malloc_trim" != "no" ; then
4342     cat > $TMPC << EOF
4343 #include <malloc.h>
4344 int main(void) { malloc_trim(0); return 0; }
4345 EOF
4346     if compile_prog "" "" ; then
4347         malloc_trim="yes"
4348     else
4349         malloc_trim="no"
4350     fi
4351 fi
4352
4353 ##########################################
4354 # tcmalloc probe
4355
4356 if test "$tcmalloc" = "yes" ; then
4357   cat > $TMPC << EOF
4358 #include <stdlib.h>
4359 int main(void) { malloc(1); return 0; }
4360 EOF
4361
4362   if compile_prog "" "-ltcmalloc" ; then
4363     LIBS="-ltcmalloc $LIBS"
4364   else
4365     feature_not_found "tcmalloc" "install gperftools devel"
4366   fi
4367 fi
4368
4369 ##########################################
4370 # jemalloc probe
4371
4372 if test "$jemalloc" = "yes" ; then
4373   cat > $TMPC << EOF
4374 #include <stdlib.h>
4375 int main(void) { malloc(1); return 0; }
4376 EOF
4377
4378   if compile_prog "" "-ljemalloc" ; then
4379     LIBS="-ljemalloc $LIBS"
4380   else
4381     feature_not_found "jemalloc" "install jemalloc devel"
4382   fi
4383 fi
4384
4385 ##########################################
4386 # signalfd probe
4387 signalfd="no"
4388 cat > $TMPC << EOF
4389 #include <unistd.h>
4390 #include <sys/syscall.h>
4391 #include <signal.h>
4392 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4393 EOF
4394
4395 if compile_prog "" "" ; then
4396   signalfd=yes
4397 fi
4398
4399 # check if optreset global is declared by <getopt.h>
4400 optreset="no"
4401 cat > $TMPC << EOF
4402 #include <getopt.h>
4403 int main(void) { return optreset; }
4404 EOF
4405
4406 if compile_prog "" "" ; then
4407   optreset=yes
4408 fi
4409
4410 # check if eventfd is supported
4411 eventfd=no
4412 cat > $TMPC << EOF
4413 #include <sys/eventfd.h>
4414
4415 int main(void)
4416 {
4417     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4418 }
4419 EOF
4420 if compile_prog "" "" ; then
4421   eventfd=yes
4422 fi
4423
4424 # check if memfd is supported
4425 memfd=no
4426 cat > $TMPC << EOF
4427 #include <sys/mman.h>
4428
4429 int main(void)
4430 {
4431     return memfd_create("foo", MFD_ALLOW_SEALING);
4432 }
4433 EOF
4434 if compile_prog "" "" ; then
4435   memfd=yes
4436 fi
4437
4438 # check for usbfs
4439 have_usbfs=no
4440 if test "$linux_user" = "yes"; then
4441   cat > $TMPC << EOF
4442 #include <linux/usbdevice_fs.h>
4443
4444 #ifndef USBDEVFS_GET_CAPABILITIES
4445 #error "USBDEVFS_GET_CAPABILITIES undefined"
4446 #endif
4447
4448 #ifndef USBDEVFS_DISCONNECT_CLAIM
4449 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4450 #endif
4451
4452 int main(void)
4453 {
4454     return 0;
4455 }
4456 EOF
4457   if compile_prog "" ""; then
4458     have_usbfs=yes
4459   fi
4460 fi
4461
4462 # check for fallocate
4463 fallocate=no
4464 cat > $TMPC << EOF
4465 #include <fcntl.h>
4466
4467 int main(void)
4468 {
4469     fallocate(0, 0, 0, 0);
4470     return 0;
4471 }
4472 EOF
4473 if compile_prog "" "" ; then
4474   fallocate=yes
4475 fi
4476
4477 # check for fallocate hole punching
4478 fallocate_punch_hole=no
4479 cat > $TMPC << EOF
4480 #include <fcntl.h>
4481 #include <linux/falloc.h>
4482
4483 int main(void)
4484 {
4485     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4486     return 0;
4487 }
4488 EOF
4489 if compile_prog "" "" ; then
4490   fallocate_punch_hole=yes
4491 fi
4492
4493 # check that fallocate supports range zeroing inside the file
4494 fallocate_zero_range=no
4495 cat > $TMPC << EOF
4496 #include <fcntl.h>
4497 #include <linux/falloc.h>
4498
4499 int main(void)
4500 {
4501     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4502     return 0;
4503 }
4504 EOF
4505 if compile_prog "" "" ; then
4506   fallocate_zero_range=yes
4507 fi
4508
4509 # check for posix_fallocate
4510 posix_fallocate=no
4511 cat > $TMPC << EOF
4512 #include <fcntl.h>
4513
4514 int main(void)
4515 {
4516     posix_fallocate(0, 0, 0);
4517     return 0;
4518 }
4519 EOF
4520 if compile_prog "" "" ; then
4521     posix_fallocate=yes
4522 fi
4523
4524 # check for sync_file_range
4525 sync_file_range=no
4526 cat > $TMPC << EOF
4527 #include <fcntl.h>
4528
4529 int main(void)
4530 {
4531     sync_file_range(0, 0, 0, 0);
4532     return 0;
4533 }
4534 EOF
4535 if compile_prog "" "" ; then
4536   sync_file_range=yes
4537 fi
4538
4539 # check for linux/fiemap.h and FS_IOC_FIEMAP
4540 fiemap=no
4541 cat > $TMPC << EOF
4542 #include <sys/ioctl.h>
4543 #include <linux/fs.h>
4544 #include <linux/fiemap.h>
4545
4546 int main(void)
4547 {
4548     ioctl(0, FS_IOC_FIEMAP, 0);
4549     return 0;
4550 }
4551 EOF
4552 if compile_prog "" "" ; then
4553   fiemap=yes
4554 fi
4555
4556 # check for dup3
4557 dup3=no
4558 cat > $TMPC << EOF
4559 #include <unistd.h>
4560
4561 int main(void)
4562 {
4563     dup3(0, 0, 0);
4564     return 0;
4565 }
4566 EOF
4567 if compile_prog "" "" ; then
4568   dup3=yes
4569 fi
4570
4571 # check for ppoll support
4572 ppoll=no
4573 cat > $TMPC << EOF
4574 #include <poll.h>
4575
4576 int main(void)
4577 {
4578     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4579     ppoll(&pfd, 1, 0, 0);
4580     return 0;
4581 }
4582 EOF
4583 if compile_prog "" "" ; then
4584   ppoll=yes
4585 fi
4586
4587 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4588 prctl_pr_set_timerslack=no
4589 cat > $TMPC << EOF
4590 #include <sys/prctl.h>
4591
4592 int main(void)
4593 {
4594     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4595     return 0;
4596 }
4597 EOF
4598 if compile_prog "" "" ; then
4599   prctl_pr_set_timerslack=yes
4600 fi
4601
4602 # check for epoll support
4603 epoll=no
4604 cat > $TMPC << EOF
4605 #include <sys/epoll.h>
4606
4607 int main(void)
4608 {
4609     epoll_create(0);
4610     return 0;
4611 }
4612 EOF
4613 if compile_prog "" "" ; then
4614   epoll=yes
4615 fi
4616
4617 # epoll_create1 is a later addition
4618 # so we must check separately for its presence
4619 epoll_create1=no
4620 cat > $TMPC << EOF
4621 #include <sys/epoll.h>
4622
4623 int main(void)
4624 {
4625     /* Note that we use epoll_create1 as a value, not as
4626      * a function being called. This is necessary so that on
4627      * old SPARC glibc versions where the function was present in
4628      * the library but not declared in the header file we will
4629      * fail the configure check. (Otherwise we will get a compiler
4630      * warning but not an error, and will proceed to fail the
4631      * qemu compile where we compile with -Werror.)
4632      */
4633     return (int)(uintptr_t)&epoll_create1;
4634 }
4635 EOF
4636 if compile_prog "" "" ; then
4637   epoll_create1=yes
4638 fi
4639
4640 # check for sendfile support
4641 sendfile=no
4642 cat > $TMPC << EOF
4643 #include <sys/sendfile.h>
4644
4645 int main(void)
4646 {
4647     return sendfile(0, 0, 0, 0);
4648 }
4649 EOF
4650 if compile_prog "" "" ; then
4651   sendfile=yes
4652 fi
4653
4654 # check for timerfd support (glibc 2.8 and newer)
4655 timerfd=no
4656 cat > $TMPC << EOF
4657 #include <sys/timerfd.h>
4658
4659 int main(void)
4660 {
4661     return(timerfd_create(CLOCK_REALTIME, 0));
4662 }
4663 EOF
4664 if compile_prog "" "" ; then
4665   timerfd=yes
4666 fi
4667
4668 # check for setns and unshare support
4669 setns=no
4670 cat > $TMPC << EOF
4671 #include <sched.h>
4672
4673 int main(void)
4674 {
4675     int ret;
4676     ret = setns(0, 0);
4677     ret = unshare(0);
4678     return ret;
4679 }
4680 EOF
4681 if compile_prog "" "" ; then
4682   setns=yes
4683 fi
4684
4685 # clock_adjtime probe
4686 clock_adjtime=no
4687 cat > $TMPC <<EOF
4688 #include <time.h>
4689
4690 int main(void)
4691 {
4692     return clock_adjtime(0, 0);
4693 }
4694 EOF
4695 clock_adjtime=no
4696 if compile_prog "" "" ; then
4697   clock_adjtime=yes
4698 fi
4699
4700 # syncfs probe
4701 syncfs=no
4702 cat > $TMPC <<EOF
4703 #include <unistd.h>
4704
4705 int main(void)
4706 {
4707     return syncfs(0);
4708 }
4709 EOF
4710 syncfs=no
4711 if compile_prog "" "" ; then
4712   syncfs=yes
4713 fi
4714
4715 # Check we have a new enough version of sphinx-build
4716 has_sphinx_build() {
4717     # This is a bit awkward but works: create a trivial document and
4718     # try to run it with our configuration file (which enforces a
4719     # version requirement). This will fail if either
4720     # sphinx-build doesn't exist at all or if it is too old.
4721     mkdir -p "$TMPDIR1/sphinx"
4722     touch "$TMPDIR1/sphinx/index.rst"
4723     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4724 }
4725
4726 # Check if tools are available to build documentation.
4727 if test "$docs" != "no" ; then
4728   if has makeinfo && has pod2man && has_sphinx_build; then
4729     docs=yes
4730   else
4731     if test "$docs" = "yes" ; then
4732       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4733     fi
4734     docs=no
4735   fi
4736 fi
4737
4738 # Search for bswap_32 function
4739 byteswap_h=no
4740 cat > $TMPC << EOF
4741 #include <byteswap.h>
4742 int main(void) { return bswap_32(0); }
4743 EOF
4744 if compile_prog "" "" ; then
4745   byteswap_h=yes
4746 fi
4747
4748 # Search for bswap32 function
4749 bswap_h=no
4750 cat > $TMPC << EOF
4751 #include <sys/endian.h>
4752 #include <sys/types.h>
4753 #include <machine/bswap.h>
4754 int main(void) { return bswap32(0); }
4755 EOF
4756 if compile_prog "" "" ; then
4757   bswap_h=yes
4758 fi
4759
4760 ##########################################
4761 # Do we have libiscsi >= 1.9.0
4762 if test "$libiscsi" != "no" ; then
4763   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4764     libiscsi="yes"
4765     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4766     libiscsi_libs=$($pkg_config --libs libiscsi)
4767   else
4768     if test "$libiscsi" = "yes" ; then
4769       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4770     fi
4771     libiscsi="no"
4772   fi
4773 fi
4774
4775 ##########################################
4776 # Do we need libm
4777 cat > $TMPC << EOF
4778 #include <math.h>
4779 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4780 EOF
4781 if compile_prog "" "" ; then
4782   :
4783 elif compile_prog "" "-lm" ; then
4784   LIBS="-lm $LIBS"
4785   libs_qga="-lm $libs_qga"
4786 else
4787   error_exit "libm check failed"
4788 fi
4789
4790 ##########################################
4791 # Do we need librt
4792 # uClibc provides 2 versions of clock_gettime(), one with realtime
4793 # support and one without. This means that the clock_gettime() don't
4794 # need -lrt. We still need it for timer_create() so we check for this
4795 # function in addition.
4796 cat > $TMPC <<EOF
4797 #include <signal.h>
4798 #include <time.h>
4799 int main(void) {
4800   timer_create(CLOCK_REALTIME, NULL, NULL);
4801   return clock_gettime(CLOCK_REALTIME, NULL);
4802 }
4803 EOF
4804
4805 if compile_prog "" "" ; then
4806   :
4807 # we need pthread for static linking. use previous pthread test result
4808 elif compile_prog "" "$pthread_lib -lrt" ; then
4809   LIBS="$LIBS -lrt"
4810   libs_qga="$libs_qga -lrt"
4811 fi
4812
4813 # Check whether we need to link libutil for openpty()
4814 cat > $TMPC << EOF
4815 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4816 int main(void) { return openpty(0, 0, 0, 0, 0); }
4817 EOF
4818
4819 if ! compile_prog "" "" ; then
4820   if compile_prog "" "-lutil" ; then
4821     libs_softmmu="-lutil $libs_softmmu"
4822     libs_tools="-lutil $libs_tools"
4823   fi
4824 fi
4825
4826 ##########################################
4827 # spice probe
4828 if test "$spice" != "no" ; then
4829   cat > $TMPC << EOF
4830 #include <spice.h>
4831 int main(void) { spice_server_new(); return 0; }
4832 EOF
4833   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4834   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4835   if $pkg_config --atleast-version=0.12.5 spice-server && \
4836      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4837      compile_prog "$spice_cflags" "$spice_libs" ; then
4838     spice="yes"
4839     libs_softmmu="$libs_softmmu $spice_libs"
4840     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4841     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4842     spice_server_version=$($pkg_config --modversion spice-server)
4843   else
4844     if test "$spice" = "yes" ; then
4845       feature_not_found "spice" \
4846           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4847     fi
4848     spice="no"
4849   fi
4850 fi
4851
4852 # check for smartcard support
4853 if test "$smartcard" != "no"; then
4854     if $pkg_config --atleast-version=2.5.1 libcacard; then
4855         libcacard_cflags=$($pkg_config --cflags libcacard)
4856         libcacard_libs=$($pkg_config --libs libcacard)
4857         smartcard="yes"
4858     else
4859         if test "$smartcard" = "yes"; then
4860             feature_not_found "smartcard" "Install libcacard devel"
4861         fi
4862         smartcard="no"
4863     fi
4864 fi
4865
4866 # check for libusb
4867 if test "$libusb" != "no" ; then
4868     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4869         libusb="yes"
4870         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4871         libusb_libs=$($pkg_config --libs libusb-1.0)
4872     else
4873         if test "$libusb" = "yes"; then
4874             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4875         fi
4876         libusb="no"
4877     fi
4878 fi
4879
4880 # check for usbredirparser for usb network redirection support
4881 if test "$usb_redir" != "no" ; then
4882     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4883         usb_redir="yes"
4884         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4885         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4886     else
4887         if test "$usb_redir" = "yes"; then
4888             feature_not_found "usb-redir" "Install usbredir devel"
4889         fi
4890         usb_redir="no"
4891     fi
4892 fi
4893
4894 ##########################################
4895 # check if we have VSS SDK headers for win
4896
4897 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4898         test "$vss_win32_sdk" != "no" ; then
4899   case "$vss_win32_sdk" in
4900     "")   vss_win32_include="-isystem $source_path" ;;
4901     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4902           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4903           vss_win32_include="-isystem $source_path/.sdk/vss"
4904           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4905           ;;
4906     *)    vss_win32_include="-isystem $vss_win32_sdk"
4907   esac
4908   cat > $TMPC << EOF
4909 #define __MIDL_user_allocate_free_DEFINED__
4910 #include <inc/win2003/vss.h>
4911 int main(void) { return VSS_CTX_BACKUP; }
4912 EOF
4913   if compile_prog "$vss_win32_include" "" ; then
4914     guest_agent_with_vss="yes"
4915     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4916     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4917     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4918   else
4919     if test "$vss_win32_sdk" != "" ; then
4920       echo "ERROR: Please download and install Microsoft VSS SDK:"
4921       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4922       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4923       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4924       echo "ERROR: The headers are extracted in the directory \`inc'."
4925       feature_not_found "VSS support"
4926     fi
4927     guest_agent_with_vss="no"
4928   fi
4929 fi
4930
4931 ##########################################
4932 # lookup Windows platform SDK (if not specified)
4933 # The SDK is needed only to build .tlb (type library) file of guest agent
4934 # VSS provider from the source. It is usually unnecessary because the
4935 # pre-compiled .tlb file is included.
4936
4937 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4938         test "$guest_agent_with_vss" = "yes" ; then
4939   if test -z "$win_sdk"; then
4940     programfiles="$PROGRAMFILES"
4941     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4942     if test -n "$programfiles"; then
4943       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4944     else
4945       feature_not_found "Windows SDK"
4946     fi
4947   elif test "$win_sdk" = "no"; then
4948     win_sdk=""
4949   fi
4950 fi
4951
4952 ##########################################
4953 # check if mingw environment provides a recent ntddscsi.h
4954 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4955   cat > $TMPC << EOF
4956 #include <windows.h>
4957 #include <ntddscsi.h>
4958 int main(void) {
4959 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4960 #error Missing required ioctl definitions
4961 #endif
4962   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4963   return addr.Lun;
4964 }
4965 EOF
4966   if compile_prog "" "" ; then
4967     guest_agent_ntddscsi=yes
4968     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4969   fi
4970 fi
4971
4972 ##########################################
4973 # virgl renderer probe
4974
4975 if test "$virglrenderer" != "no" ; then
4976   cat > $TMPC << EOF
4977 #include <virglrenderer.h>
4978 int main(void) { virgl_renderer_poll(); return 0; }
4979 EOF
4980   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4981   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4982   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4983   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4984      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4985     virglrenderer="yes"
4986   else
4987     if test "$virglrenderer" = "yes" ; then
4988       feature_not_found "virglrenderer"
4989     fi
4990     virglrenderer="no"
4991   fi
4992 fi
4993
4994 ##########################################
4995 # capstone
4996
4997 case "$capstone" in
4998   "" | yes)
4999     if $pkg_config capstone; then
5000       capstone=system
5001     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5002       capstone=git
5003     elif test -e "${source_path}/capstone/Makefile" ; then
5004       capstone=internal
5005     elif test -z "$capstone" ; then
5006       capstone=no
5007     else
5008       feature_not_found "capstone" "Install capstone devel or git submodule"
5009     fi
5010     ;;
5011
5012   system)
5013     if ! $pkg_config capstone; then
5014       feature_not_found "capstone" "Install capstone devel"
5015     fi
5016     ;;
5017 esac
5018
5019 case "$capstone" in
5020   git | internal)
5021     if test "$capstone" = git; then
5022       git_submodules="${git_submodules} capstone"
5023     fi
5024     mkdir -p capstone
5025     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5026     if test "$mingw32" = "yes"; then
5027       LIBCAPSTONE=capstone.lib
5028     else
5029       LIBCAPSTONE=libcapstone.a
5030     fi
5031     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
5032     ;;
5033
5034   system)
5035     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5036     LIBS="$($pkg_config --libs capstone) $LIBS"
5037     ;;
5038
5039   no)
5040     ;;
5041   *)
5042     error_exit "Unknown state for capstone: $capstone"
5043     ;;
5044 esac
5045
5046 ##########################################
5047 # check if we have fdatasync
5048
5049 fdatasync=no
5050 cat > $TMPC << EOF
5051 #include <unistd.h>
5052 int main(void) {
5053 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5054 return fdatasync(0);
5055 #else
5056 #error Not supported
5057 #endif
5058 }
5059 EOF
5060 if compile_prog "" "" ; then
5061     fdatasync=yes
5062 fi
5063
5064 ##########################################
5065 # check if we have madvise
5066
5067 madvise=no
5068 cat > $TMPC << EOF
5069 #include <sys/types.h>
5070 #include <sys/mman.h>
5071 #include <stddef.h>
5072 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5073 EOF
5074 if compile_prog "" "" ; then
5075     madvise=yes
5076 fi
5077
5078 ##########################################
5079 # check if we have posix_madvise
5080
5081 posix_madvise=no
5082 cat > $TMPC << EOF
5083 #include <sys/mman.h>
5084 #include <stddef.h>
5085 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5086 EOF
5087 if compile_prog "" "" ; then
5088     posix_madvise=yes
5089 fi
5090
5091 ##########################################
5092 # check if we have posix_memalign()
5093
5094 posix_memalign=no
5095 cat > $TMPC << EOF
5096 #include <stdlib.h>
5097 int main(void) {
5098     void *p;
5099     return posix_memalign(&p, 8, 8);
5100 }
5101 EOF
5102 if compile_prog "" "" ; then
5103     posix_memalign=yes
5104 fi
5105
5106 ##########################################
5107 # check if we have posix_syslog
5108
5109 posix_syslog=no
5110 cat > $TMPC << EOF
5111 #include <syslog.h>
5112 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5113 EOF
5114 if compile_prog "" "" ; then
5115     posix_syslog=yes
5116 fi
5117
5118 ##########################################
5119 # check if we have sem_timedwait
5120
5121 sem_timedwait=no
5122 cat > $TMPC << EOF
5123 #include <semaphore.h>
5124 int main(void) { return sem_timedwait(0, 0); }
5125 EOF
5126 if compile_prog "" "" ; then
5127     sem_timedwait=yes
5128 fi
5129
5130 ##########################################
5131 # check if we have strchrnul
5132
5133 strchrnul=no
5134 cat > $TMPC << EOF
5135 #include <string.h>
5136 int main(void);
5137 // Use a haystack that the compiler shouldn't be able to constant fold
5138 char *haystack = (char*)&main;
5139 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5140 EOF
5141 if compile_prog "" "" ; then
5142     strchrnul=yes
5143 fi
5144
5145 ##########################################
5146 # check if trace backend exists
5147
5148 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5149 if test "$?" -ne 0 ; then
5150   error_exit "invalid trace backends" \
5151       "Please choose supported trace backends."
5152 fi
5153
5154 ##########################################
5155 # For 'ust' backend, test if ust headers are present
5156 if have_backend "ust"; then
5157   cat > $TMPC << EOF
5158 #include <lttng/tracepoint.h>
5159 int main(void) { return 0; }
5160 EOF
5161   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5162     if $pkg_config lttng-ust --exists; then
5163       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5164     else
5165       lttng_ust_libs="-llttng-ust -ldl"
5166     fi
5167     if $pkg_config liburcu-bp --exists; then
5168       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5169     else
5170       urcu_bp_libs="-lurcu-bp"
5171     fi
5172
5173     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5174     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5175   else
5176     error_exit "Trace backend 'ust' missing lttng-ust header files"
5177   fi
5178 fi
5179
5180 ##########################################
5181 # For 'dtrace' backend, test if 'dtrace' command is present
5182 if have_backend "dtrace"; then
5183   if ! has 'dtrace' ; then
5184     error_exit "dtrace command is not found in PATH $PATH"
5185   fi
5186   trace_backend_stap="no"
5187   if has 'stap' ; then
5188     trace_backend_stap="yes"
5189   fi
5190 fi
5191
5192 ##########################################
5193 # check and set a backend for coroutine
5194
5195 # We prefer ucontext, but it's not always possible. The fallback
5196 # is sigcontext. On Windows the only valid backend is the Windows
5197 # specific one.
5198
5199 ucontext_works=no
5200 if test "$darwin" != "yes"; then
5201   cat > $TMPC << EOF
5202 #include <ucontext.h>
5203 #ifdef __stub_makecontext
5204 #error Ignoring glibc stub makecontext which will always fail
5205 #endif
5206 int main(void) { makecontext(0, 0, 0); return 0; }
5207 EOF
5208   if compile_prog "" "" ; then
5209     ucontext_works=yes
5210   fi
5211 fi
5212
5213 if test "$coroutine" = ""; then
5214   if test "$mingw32" = "yes"; then
5215     coroutine=win32
5216   elif test "$ucontext_works" = "yes"; then
5217     coroutine=ucontext
5218   else
5219     coroutine=sigaltstack
5220   fi
5221 else
5222   case $coroutine in
5223   windows)
5224     if test "$mingw32" != "yes"; then
5225       error_exit "'windows' coroutine backend only valid for Windows"
5226     fi
5227     # Unfortunately the user visible backend name doesn't match the
5228     # coroutine-*.c filename for this case, so we have to adjust it here.
5229     coroutine=win32
5230     ;;
5231   ucontext)
5232     if test "$ucontext_works" != "yes"; then
5233       feature_not_found "ucontext"
5234     fi
5235     ;;
5236   sigaltstack)
5237     if test "$mingw32" = "yes"; then
5238       error_exit "only the 'windows' coroutine backend is valid for Windows"
5239     fi
5240     ;;
5241   *)
5242     error_exit "unknown coroutine backend $coroutine"
5243     ;;
5244   esac
5245 fi
5246
5247 if test "$coroutine_pool" = ""; then
5248   coroutine_pool=yes
5249 fi
5250
5251 if test "$debug_stack_usage" = "yes"; then
5252   if test "$coroutine_pool" = "yes"; then
5253     echo "WARN: disabling coroutine pool for stack usage debugging"
5254     coroutine_pool=no
5255   fi
5256 fi
5257
5258
5259 ##########################################
5260 # check if we have open_by_handle_at
5261
5262 open_by_handle_at=no
5263 cat > $TMPC << EOF
5264 #include <fcntl.h>
5265 #if !defined(AT_EMPTY_PATH)
5266 # error missing definition
5267 #else
5268 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5269 #endif
5270 EOF
5271 if compile_prog "" "" ; then
5272     open_by_handle_at=yes
5273 fi
5274
5275 ########################################
5276 # check if we have linux/magic.h
5277
5278 linux_magic_h=no
5279 cat > $TMPC << EOF
5280 #include <linux/magic.h>
5281 int main(void) {
5282   return 0;
5283 }
5284 EOF
5285 if compile_prog "" "" ; then
5286     linux_magic_h=yes
5287 fi
5288
5289 ########################################
5290 # check whether we can disable warning option with a pragma (this is needed
5291 # to silence warnings in the headers of some versions of external libraries).
5292 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5293 # only a warning.
5294 #
5295 # If we can't selectively disable warning in the code, disable -Werror so that
5296 # the build doesn't fail anyway.
5297
5298 pragma_disable_unused_but_set=no
5299 cat > $TMPC << EOF
5300 #pragma GCC diagnostic push
5301 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5302 #pragma GCC diagnostic pop
5303
5304 int main(void) {
5305     return 0;
5306 }
5307 EOF
5308 if compile_prog "-Werror" "" ; then
5309     pragma_diagnostic_available=yes
5310 else
5311     werror=no
5312 fi
5313
5314 ########################################
5315 # check if we have valgrind/valgrind.h
5316
5317 valgrind_h=no
5318 cat > $TMPC << EOF
5319 #include <valgrind/valgrind.h>
5320 int main(void) {
5321   return 0;
5322 }
5323 EOF
5324 if compile_prog "" "" ; then
5325     valgrind_h=yes
5326 fi
5327
5328 ########################################
5329 # check if environ is declared
5330
5331 has_environ=no
5332 cat > $TMPC << EOF
5333 #include <unistd.h>
5334 int main(void) {
5335     environ = 0;
5336     return 0;
5337 }
5338 EOF
5339 if compile_prog "" "" ; then
5340     has_environ=yes
5341 fi
5342
5343 ########################################
5344 # check if cpuid.h is usable.
5345
5346 cat > $TMPC << EOF
5347 #include <cpuid.h>
5348 int main(void) {
5349     unsigned a, b, c, d;
5350     int max = __get_cpuid_max(0, 0);
5351
5352     if (max >= 1) {
5353         __cpuid(1, a, b, c, d);
5354     }
5355
5356     if (max >= 7) {
5357         __cpuid_count(7, 0, a, b, c, d);
5358     }
5359
5360     return 0;
5361 }
5362 EOF
5363 if compile_prog "" "" ; then
5364     cpuid_h=yes
5365 fi
5366
5367 ##########################################
5368 # avx2 optimization requirement check
5369 #
5370 # There is no point enabling this if cpuid.h is not usable,
5371 # since we won't be able to select the new routines.
5372
5373 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5374   cat > $TMPC << EOF
5375 #pragma GCC push_options
5376 #pragma GCC target("avx2")
5377 #include <cpuid.h>
5378 #include <immintrin.h>
5379 static int bar(void *a) {
5380     __m256i x = *(__m256i *)a;
5381     return _mm256_testz_si256(x, x);
5382 }
5383 int main(int argc, char *argv[]) { return bar(argv[0]); }
5384 EOF
5385   if compile_object "" ; then
5386     avx2_opt="yes"
5387   else
5388     avx2_opt="no"
5389   fi
5390 fi
5391
5392 ########################################
5393 # check if __[u]int128_t is usable.
5394
5395 int128=no
5396 cat > $TMPC << EOF
5397 __int128_t a;
5398 __uint128_t b;
5399 int main (void) {
5400   a = a + b;
5401   b = a * b;
5402   a = a * a;
5403   return 0;
5404 }
5405 EOF
5406 if compile_prog "" "" ; then
5407     int128=yes
5408 fi
5409
5410 #########################################
5411 # See if 128-bit atomic operations are supported.
5412
5413 atomic128=no
5414 if test "$int128" = "yes"; then
5415   cat > $TMPC << EOF
5416 int main(void)
5417 {
5418   unsigned __int128 x = 0, y = 0;
5419   y = __atomic_load_16(&x, 0);
5420   __atomic_store_16(&x, y, 0);
5421   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5422   return 0;
5423 }
5424 EOF
5425   if compile_prog "" "" ; then
5426     atomic128=yes
5427   fi
5428 fi
5429
5430 cmpxchg128=no
5431 if test "$int128" = yes && test "$atomic128" = no; then
5432   cat > $TMPC << EOF
5433 int main(void)
5434 {
5435   unsigned __int128 x = 0, y = 0;
5436   __sync_val_compare_and_swap_16(&x, y, x);
5437   return 0;
5438 }
5439 EOF
5440   if compile_prog "" "" ; then
5441     cmpxchg128=yes
5442   fi
5443 fi
5444
5445 #########################################
5446 # See if 64-bit atomic operations are supported.
5447 # Note that without __atomic builtins, we can only
5448 # assume atomic loads/stores max at pointer size.
5449
5450 cat > $TMPC << EOF
5451 #include <stdint.h>
5452 int main(void)
5453 {
5454   uint64_t x = 0, y = 0;
5455 #ifdef __ATOMIC_RELAXED
5456   y = __atomic_load_8(&x, 0);
5457   __atomic_store_8(&x, y, 0);
5458   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5459   __atomic_exchange_8(&x, y, 0);
5460   __atomic_fetch_add_8(&x, y, 0);
5461 #else
5462   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5463   __sync_lock_test_and_set(&x, y);
5464   __sync_val_compare_and_swap(&x, y, 0);
5465   __sync_fetch_and_add(&x, y);
5466 #endif
5467   return 0;
5468 }
5469 EOF
5470 if compile_prog "" "" ; then
5471   atomic64=yes
5472 fi
5473
5474 ########################################
5475 # See if 16-byte vector operations are supported.
5476 # Even without a vector unit the compiler may expand these.
5477 # There is a bug in old GCC for PPC that crashes here.
5478 # Unfortunately it's the system compiler for Centos 7.
5479
5480 cat > $TMPC << EOF
5481 typedef unsigned char U1 __attribute__((vector_size(16)));
5482 typedef unsigned short U2 __attribute__((vector_size(16)));
5483 typedef unsigned int U4 __attribute__((vector_size(16)));
5484 typedef unsigned long long U8 __attribute__((vector_size(16)));
5485 typedef signed char S1 __attribute__((vector_size(16)));
5486 typedef signed short S2 __attribute__((vector_size(16)));
5487 typedef signed int S4 __attribute__((vector_size(16)));
5488 typedef signed long long S8 __attribute__((vector_size(16)));
5489 static U1 a1, b1;
5490 static U2 a2, b2;
5491 static U4 a4, b4;
5492 static U8 a8, b8;
5493 static S1 c1;
5494 static S2 c2;
5495 static S4 c4;
5496 static S8 c8;
5497 static int i;
5498 void helper(void *d, void *a, int shift, int i);
5499 void helper(void *d, void *a, int shift, int i)
5500 {
5501   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5502   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5503   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5504   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5505 }
5506 int main(void)
5507 {
5508   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5509   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5510   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5511   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5512   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5513   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5514   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5515   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5516   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5517   return 0;
5518 }
5519 EOF
5520
5521 vector16=no
5522 if compile_prog "" "" ; then
5523   vector16=yes
5524 fi
5525
5526 ########################################
5527 # check if getauxval is available.
5528
5529 getauxval=no
5530 cat > $TMPC << EOF
5531 #include <sys/auxv.h>
5532 int main(void) {
5533   return getauxval(AT_HWCAP) == 0;
5534 }
5535 EOF
5536 if compile_prog "" "" ; then
5537     getauxval=yes
5538 fi
5539
5540 ########################################
5541 # check if ccache is interfering with
5542 # semantic analysis of macros
5543
5544 unset CCACHE_CPP2
5545 ccache_cpp2=no
5546 cat > $TMPC << EOF
5547 static const int Z = 1;
5548 #define fn() ({ Z; })
5549 #define TAUT(X) ((X) == Z)
5550 #define PAREN(X, Y) (X == Y)
5551 #define ID(X) (X)
5552 int main(int argc, char *argv[])
5553 {
5554     int x = 0, y = 0;
5555     x = ID(x);
5556     x = fn();
5557     fn();
5558     if (PAREN(x, y)) return 0;
5559     if (TAUT(Z)) return 0;
5560     return 0;
5561 }
5562 EOF
5563
5564 if ! compile_object "-Werror"; then
5565     ccache_cpp2=yes
5566 fi
5567
5568 #################################################
5569 # clang does not support glibc + FORTIFY_SOURCE.
5570
5571 if test "$fortify_source" != "no"; then
5572   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5573     fortify_source="no";
5574   elif test -n "$cxx" && has $cxx &&
5575        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5576     fortify_source="no";
5577   else
5578     fortify_source="yes"
5579   fi
5580 fi
5581
5582 ###############################################
5583 # Check if copy_file_range is provided by glibc
5584 have_copy_file_range=no
5585 cat > $TMPC << EOF
5586 #include <unistd.h>
5587 int main(void) {
5588   copy_file_range(0, NULL, 0, NULL, 0, 0);
5589   return 0;
5590 }
5591 EOF
5592 if compile_prog "" "" ; then
5593     have_copy_file_range=yes
5594 fi
5595
5596 ##########################################
5597 # check if struct fsxattr is available via linux/fs.h
5598
5599 have_fsxattr=no
5600 cat > $TMPC << EOF
5601 #include <linux/fs.h>
5602 struct fsxattr foo;
5603 int main(void) {
5604   return 0;
5605 }
5606 EOF
5607 if compile_prog "" "" ; then
5608     have_fsxattr=yes
5609 fi
5610
5611 ##########################################
5612 # check for usable membarrier system call
5613 if test "$membarrier" = "yes"; then
5614     have_membarrier=no
5615     if test "$mingw32" = "yes" ; then
5616         have_membarrier=yes
5617     elif test "$linux" = "yes" ; then
5618         cat > $TMPC << EOF
5619     #include <linux/membarrier.h>
5620     #include <sys/syscall.h>
5621     #include <unistd.h>
5622     #include <stdlib.h>
5623     int main(void) {
5624         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5625         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5626         exit(0);
5627     }
5628 EOF
5629         if compile_prog "" "" ; then
5630             have_membarrier=yes
5631         fi
5632     fi
5633     if test "$have_membarrier" = "no"; then
5634       feature_not_found "membarrier" "membarrier system call not available"
5635     fi
5636 else
5637     # Do not enable it by default even for Mingw32, because it doesn't
5638     # work on Wine.
5639     membarrier=no
5640 fi
5641
5642 ##########################################
5643 # check if rtnetlink.h exists and is useful
5644 have_rtnetlink=no
5645 cat > $TMPC << EOF
5646 #include <linux/rtnetlink.h>
5647 int main(void) {
5648   return IFLA_PROTO_DOWN;
5649 }
5650 EOF
5651 if compile_prog "" "" ; then
5652     have_rtnetlink=yes
5653 fi
5654
5655 ##########################################
5656 # check for usable AF_VSOCK environment
5657 have_af_vsock=no
5658 cat > $TMPC << EOF
5659 #include <errno.h>
5660 #include <sys/types.h>
5661 #include <sys/socket.h>
5662 #if !defined(AF_VSOCK)
5663 # error missing AF_VSOCK flag
5664 #endif
5665 #include <linux/vm_sockets.h>
5666 int main(void) {
5667     int sock, ret;
5668     struct sockaddr_vm svm;
5669     socklen_t len = sizeof(svm);
5670     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5671     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5672     if ((ret == -1) && (errno == ENOTCONN)) {
5673         return 0;
5674     }
5675     return -1;
5676 }
5677 EOF
5678 if compile_prog "" "" ; then
5679     have_af_vsock=yes
5680 fi
5681
5682 ##########################################
5683 # check for usable AF_ALG environment
5684 hava_afalg=no
5685 cat > $TMPC << EOF
5686 #include <errno.h>
5687 #include <sys/types.h>
5688 #include <sys/socket.h>
5689 #include <linux/if_alg.h>
5690 int main(void) {
5691     int sock;
5692     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5693     return sock;
5694 }
5695 EOF
5696 if compile_prog "" "" ; then
5697     have_afalg=yes
5698 fi
5699 if test "$crypto_afalg" = "yes"
5700 then
5701     if test "$have_afalg" != "yes"
5702     then
5703         error_exit "AF_ALG requested but could not be detected"
5704     fi
5705 fi
5706
5707
5708 #################################################
5709 # Check to see if we have the Hypervisor framework
5710 if [ "$darwin" = "yes" ] ; then
5711   cat > $TMPC << EOF
5712 #include <Hypervisor/hv.h>
5713 int main() { return 0;}
5714 EOF
5715   if ! compile_object ""; then
5716     hvf='no'
5717   else
5718     hvf='yes'
5719     LDFLAGS="-framework Hypervisor $LDFLAGS"
5720   fi
5721 fi
5722
5723 #################################################
5724 # Sparc implicitly links with --relax, which is
5725 # incompatible with -r, so --no-relax should be
5726 # given. It does no harm to give it on other
5727 # platforms too.
5728
5729 # Note: the prototype is needed since QEMU_CFLAGS
5730 #       contains -Wmissing-prototypes
5731 cat > $TMPC << EOF
5732 extern int foo(void);
5733 int foo(void) { return 0; }
5734 EOF
5735 if ! compile_object ""; then
5736   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5737 fi
5738 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5739   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5740     LD_REL_FLAGS=$i
5741     break
5742   fi
5743 done
5744 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5745   feature_not_found "modules" "Cannot find how to build relocatable objects"
5746 fi
5747
5748 ##########################################
5749 # check for sysmacros.h
5750
5751 have_sysmacros=no
5752 cat > $TMPC << EOF
5753 #include <sys/sysmacros.h>
5754 int main(void) {
5755     return makedev(0, 0);
5756 }
5757 EOF
5758 if compile_prog "" "" ; then
5759     have_sysmacros=yes
5760 fi
5761
5762 ##########################################
5763 # Veritas HyperScale block driver VxHS
5764 # Check if libvxhs is installed
5765
5766 if test "$vxhs" != "no" ; then
5767   cat > $TMPC <<EOF
5768 #include <stdint.h>
5769 #include <qnio/qnio_api.h>
5770
5771 void *vxhs_callback;
5772
5773 int main(void) {
5774     iio_init(QNIO_VERSION, vxhs_callback);
5775     return 0;
5776 }
5777 EOF
5778   vxhs_libs="-lvxhs -lssl"
5779   if compile_prog "" "$vxhs_libs" ; then
5780     vxhs=yes
5781   else
5782     if test "$vxhs" = "yes" ; then
5783       feature_not_found "vxhs block device" "Install libvxhs See github"
5784     fi
5785     vxhs=no
5786   fi
5787 fi
5788
5789 ##########################################
5790 # check for _Static_assert()
5791
5792 have_static_assert=no
5793 cat > $TMPC << EOF
5794 _Static_assert(1, "success");
5795 int main(void) {
5796     return 0;
5797 }
5798 EOF
5799 if compile_prog "" "" ; then
5800     have_static_assert=yes
5801 fi
5802
5803 ##########################################
5804 # check for utmpx.h, it is missing e.g. on OpenBSD
5805
5806 have_utmpx=no
5807 cat > $TMPC << EOF
5808 #include <utmpx.h>
5809 struct utmpx user_info;
5810 int main(void) {
5811     return 0;
5812 }
5813 EOF
5814 if compile_prog "" "" ; then
5815     have_utmpx=yes
5816 fi
5817
5818 ##########################################
5819 # checks for sanitizers
5820
5821 have_asan=no
5822 have_ubsan=no
5823 have_asan_iface_h=no
5824 have_asan_iface_fiber=no
5825
5826 if test "$sanitizers" = "yes" ; then
5827   write_c_skeleton
5828   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5829       have_asan=yes
5830   fi
5831
5832   # we could use a simple skeleton for flags checks, but this also
5833   # detect the static linking issue of ubsan, see also:
5834   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5835   cat > $TMPC << EOF
5836 #include <stdlib.h>
5837 int main(void) {
5838     void *tmp = malloc(10);
5839     return *(int *)(tmp + 2);
5840 }
5841 EOF
5842   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5843       have_ubsan=yes
5844   fi
5845
5846   if check_include "sanitizer/asan_interface.h" ; then
5847       have_asan_iface_h=yes
5848   fi
5849
5850   cat > $TMPC << EOF
5851 #include <sanitizer/asan_interface.h>
5852 int main(void) {
5853   __sanitizer_start_switch_fiber(0, 0, 0);
5854   return 0;
5855 }
5856 EOF
5857   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5858       have_asan_iface_fiber=yes
5859   fi
5860 fi
5861
5862 ##########################################
5863 # Docker and cross-compiler support
5864 #
5865 # This is specifically for building test
5866 # cases for foreign architectures, not
5867 # cross-compiling QEMU itself.
5868
5869 if has "docker"; then
5870     docker=$($python $source_path/tests/docker/docker.py probe)
5871 fi
5872
5873 ##########################################
5874 # check for libpmem
5875
5876 if test "$libpmem" != "no"; then
5877         if $pkg_config --exists "libpmem"; then
5878                 libpmem="yes"
5879                 libpmem_libs=$($pkg_config --libs libpmem)
5880                 libpmem_cflags=$($pkg_config --cflags libpmem)
5881                 libs_softmmu="$libs_softmmu $libpmem_libs"
5882                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5883         else
5884                 if test "$libpmem" = "yes" ; then
5885                         feature_not_found "libpmem" "Install nvml or pmdk"
5886                 fi
5887                 libpmem="no"
5888         fi
5889 fi
5890
5891 ##########################################
5892 # check for slirp
5893
5894 case "$slirp" in
5895   "" | yes)
5896     if $pkg_config slirp; then
5897       slirp=system
5898     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5899       slirp=git
5900     elif test -e "${source_path}/slirp/Makefile" ; then
5901       slirp=internal
5902     elif test -z "$slirp" ; then
5903       slirp=no
5904     else
5905       feature_not_found "slirp" "Install slirp devel or git submodule"
5906     fi
5907     ;;
5908
5909   system)
5910     if ! $pkg_config slirp; then
5911       feature_not_found "slirp" "Install slirp devel"
5912     fi
5913     ;;
5914 esac
5915
5916 case "$slirp" in
5917   git | internal)
5918     if test "$slirp" = git; then
5919       git_submodules="${git_submodules} slirp"
5920     fi
5921     mkdir -p slirp
5922     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
5923     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
5924     ;;
5925
5926   system)
5927     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
5928     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
5929     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
5930     ;;
5931
5932   no)
5933     ;;
5934   *)
5935     error_exit "Unknown state for slirp: $slirp"
5936     ;;
5937 esac
5938
5939
5940 ##########################################
5941 # End of CC checks
5942 # After here, no more $cc or $ld runs
5943
5944 write_c_skeleton
5945
5946 if test "$gcov" = "yes" ; then
5947   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5948   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5949 elif test "$fortify_source" = "yes" ; then
5950   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5951 elif test "$debug" = "no"; then
5952   CFLAGS="-O2 $CFLAGS"
5953 fi
5954
5955 if test "$have_asan" = "yes"; then
5956   CFLAGS="-fsanitize=address $CFLAGS"
5957   if test "$have_asan_iface_h" = "no" ; then
5958       echo "ASAN build enabled, but ASAN header missing." \
5959            "Without code annotation, the report may be inferior."
5960   elif test "$have_asan_iface_fiber" = "no" ; then
5961       echo "ASAN build enabled, but ASAN header is too old." \
5962            "Without code annotation, the report may be inferior."
5963   fi
5964 fi
5965 if test "$have_ubsan" = "yes"; then
5966   CFLAGS="-fsanitize=undefined $CFLAGS"
5967 fi
5968
5969 ##########################################
5970 # Do we have libnfs
5971 if test "$libnfs" != "no" ; then
5972   if $pkg_config --atleast-version=1.9.3 libnfs; then
5973     libnfs="yes"
5974     libnfs_libs=$($pkg_config --libs libnfs)
5975   else
5976     if test "$libnfs" = "yes" ; then
5977       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5978     fi
5979     libnfs="no"
5980   fi
5981 fi
5982
5983 ##########################################
5984 # Do we have libudev
5985 if test "$libudev" != "no" ; then
5986   if $pkg_config libudev && test "$static" != "yes"; then
5987     libudev="yes"
5988     libudev_libs=$($pkg_config --libs libudev)
5989   else
5990     libudev="no"
5991   fi
5992 fi
5993
5994 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5995 if test "$werror" = "yes"; then
5996     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5997 fi
5998
5999 if test "$solaris" = "no" ; then
6000     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6001         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6002     fi
6003 fi
6004
6005 # test if pod2man has --utf8 option
6006 if pod2man --help | grep -q utf8; then
6007     POD2MAN="pod2man --utf8"
6008 else
6009     POD2MAN="pod2man"
6010 fi
6011
6012 # Use ASLR, no-SEH and DEP if available
6013 if test "$mingw32" = "yes" ; then
6014     for flag in --dynamicbase --no-seh --nxcompat; do
6015         if ld_has $flag ; then
6016             LDFLAGS="-Wl,$flag $LDFLAGS"
6017         fi
6018     done
6019 fi
6020
6021 # Disable OpenBSD W^X if available
6022 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6023     cat > $TMPC <<EOF
6024     int main(void) { return 0; }
6025 EOF
6026     wx_ldflags="-Wl,-z,wxneeded"
6027     if compile_prog "" "$wx_ldflags"; then
6028         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6029     fi
6030 fi
6031
6032 qemu_confdir=$sysconfdir$confsuffix
6033 qemu_moddir=$libdir$confsuffix
6034 qemu_datadir=$datadir$confsuffix
6035 qemu_localedir="$datadir/locale"
6036 qemu_icondir="$datadir/icons"
6037 qemu_desktopdir="$datadir/applications"
6038
6039 # We can only support ivshmem if we have eventfd
6040 if [ "$eventfd" = "yes" ]; then
6041   ivshmem=yes
6042 fi
6043
6044 tools=""
6045 if test "$want_tools" = "yes" ; then
6046   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6047   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6048     tools="qemu-nbd\$(EXESUF) $tools"
6049   fi
6050   if [ "$ivshmem" = "yes" ]; then
6051     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6052   fi
6053   if [ "$curl" = "yes" ]; then
6054       tools="elf2dmp\$(EXESUF) $tools"
6055   fi
6056 fi
6057 if test "$softmmu" = yes ; then
6058   if test "$linux" = yes; then
6059     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
6060       virtfs=yes
6061       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6062     else
6063       if test "$virtfs" = yes; then
6064         error_exit "VirtFS requires libcap devel and libattr devel"
6065       fi
6066       virtfs=no
6067     fi
6068     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6069       mpath=yes
6070     else
6071       if test "$mpath" = yes; then
6072         error_exit "Multipath requires libmpathpersist devel"
6073       fi
6074       mpath=no
6075     fi
6076     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6077   else
6078     if test "$virtfs" = yes; then
6079       error_exit "VirtFS is supported only on Linux"
6080     fi
6081     virtfs=no
6082     if test "$mpath" = yes; then
6083       error_exit "Multipath is supported only on Linux"
6084     fi
6085     mpath=no
6086   fi
6087   if test "$xkbcommon" = "yes"; then
6088     tools="qemu-keymap\$(EXESUF) $tools"
6089   fi
6090 fi
6091
6092 # Probe for guest agent support/options
6093
6094 if [ "$guest_agent" != "no" ]; then
6095   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6096       guest_agent=no
6097   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6098       tools="qemu-ga $tools"
6099       guest_agent=yes
6100   elif [ "$guest_agent" != yes ]; then
6101       guest_agent=no
6102   else
6103       error_exit "Guest agent is not supported on this platform"
6104   fi
6105 fi
6106
6107 # Guest agent Window MSI  package
6108
6109 if test "$guest_agent" != yes; then
6110   if test "$guest_agent_msi" = yes; then
6111     error_exit "MSI guest agent package requires guest agent enabled"
6112   fi
6113   guest_agent_msi=no
6114 elif test "$mingw32" != "yes"; then
6115   if test "$guest_agent_msi" = "yes"; then
6116     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6117   fi
6118   guest_agent_msi=no
6119 elif ! has wixl; then
6120   if test "$guest_agent_msi" = "yes"; then
6121     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6122   fi
6123   guest_agent_msi=no
6124 else
6125   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6126   # disabled explicitly
6127   if test "$guest_agent_msi" != "no"; then
6128     guest_agent_msi=yes
6129   fi
6130 fi
6131
6132 if test "$guest_agent_msi" = "yes"; then
6133   if test "$guest_agent_with_vss" = "yes"; then
6134     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6135   fi
6136
6137   if test "$QEMU_GA_MANUFACTURER" = ""; then
6138     QEMU_GA_MANUFACTURER=QEMU
6139   fi
6140
6141   if test "$QEMU_GA_DISTRO" = ""; then
6142     QEMU_GA_DISTRO=Linux
6143   fi
6144
6145   if test "$QEMU_GA_VERSION" = ""; then
6146       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6147   fi
6148
6149   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6150
6151   case "$cpu" in
6152   x86_64)
6153     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6154     ;;
6155   i386)
6156     QEMU_GA_MSI_ARCH="-D Arch=32"
6157     ;;
6158   *)
6159     error_exit "CPU $cpu not supported for building installation package"
6160     ;;
6161   esac
6162 fi
6163
6164 # Mac OS X ships with a broken assembler
6165 roms=
6166 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6167         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6168         test "$softmmu" = yes ; then
6169     # Different host OS linkers have different ideas about the name of the ELF
6170     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6171     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6172     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6173         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6174             ld_i386_emulation="$emu"
6175             roms="optionrom"
6176             break
6177         fi
6178     done
6179 fi
6180 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
6181   roms="$roms spapr-rtas"
6182 fi
6183
6184 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6185 if test "$cpu" = "s390x" ; then
6186   write_c_skeleton
6187   if compile_prog "-march=z900" ""; then
6188     roms="$roms s390-ccw"
6189   fi
6190 fi
6191
6192 # Probe for the need for relocating the user-only binary.
6193 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6194   textseg_addr=
6195   case "$cpu" in
6196     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6197       # ??? Rationale for choosing this address
6198       textseg_addr=0x60000000
6199       ;;
6200     mips)
6201       # A 256M aligned address, high in the address space, with enough
6202       # room for the code_gen_buffer above it before the stack.
6203       textseg_addr=0x60000000
6204       ;;
6205   esac
6206   if [ -n "$textseg_addr" ]; then
6207     cat > $TMPC <<EOF
6208     int main(void) { return 0; }
6209 EOF
6210     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6211     if ! compile_prog "" "$textseg_ldflags"; then
6212       # In case ld does not support -Ttext-segment, edit the default linker
6213       # script via sed to set the .text start addr.  This is needed on FreeBSD
6214       # at least.
6215       if ! $ld --verbose >/dev/null 2>&1; then
6216         error_exit \
6217             "We need to link the QEMU user mode binaries at a" \
6218             "specific text address. Unfortunately your linker" \
6219             "doesn't support either the -Ttext-segment option or" \
6220             "printing the default linker script with --verbose." \
6221             "If you don't want the user mode binaries, pass the" \
6222             "--disable-user option to configure."
6223       fi
6224
6225       $ld --verbose | sed \
6226         -e '1,/==================================================/d' \
6227         -e '/==================================================/,$d' \
6228         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6229         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6230       textseg_ldflags="-Wl,-T../config-host.ld"
6231     fi
6232   fi
6233 fi
6234
6235 # Check that the C++ compiler exists and works with the C compiler.
6236 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6237 if has $cxx; then
6238     cat > $TMPC <<EOF
6239 int c_function(void);
6240 int main(void) { return c_function(); }
6241 EOF
6242
6243     compile_object
6244
6245     cat > $TMPCXX <<EOF
6246 extern "C" {
6247    int c_function(void);
6248 }
6249 int c_function(void) { return 42; }
6250 EOF
6251
6252     update_cxxflags
6253
6254     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6255         # C++ compiler $cxx works ok with C compiler $cc
6256         :
6257     else
6258         echo "C++ compiler $cxx does not work with C compiler $cc"
6259         echo "Disabling C++ specific optional code"
6260         cxx=
6261     fi
6262 else
6263     echo "No C++ compiler available; disabling C++ specific optional code"
6264     cxx=
6265 fi
6266
6267 echo_version() {
6268     if test "$1" = "yes" ; then
6269         echo "($2)"
6270     fi
6271 }
6272
6273 # prepend pixman and ftd flags after all config tests are done
6274 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6275 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6276 libs_softmmu="$pixman_libs $libs_softmmu"
6277
6278 echo "Install prefix    $prefix"
6279 echo "BIOS directory    $(eval echo $qemu_datadir)"
6280 echo "firmware path     $(eval echo $firmwarepath)"
6281 echo "binary directory  $(eval echo $bindir)"
6282 echo "library directory $(eval echo $libdir)"
6283 echo "module directory  $(eval echo $qemu_moddir)"
6284 echo "libexec directory $(eval echo $libexecdir)"
6285 echo "include directory $(eval echo $includedir)"
6286 echo "config directory  $(eval echo $sysconfdir)"
6287 if test "$mingw32" = "no" ; then
6288 echo "local state directory   $(eval echo $local_statedir)"
6289 echo "Manual directory  $(eval echo $mandir)"
6290 echo "ELF interp prefix $interp_prefix"
6291 else
6292 echo "local state directory   queried at runtime"
6293 echo "Windows SDK       $win_sdk"
6294 fi
6295 echo "Source path       $source_path"
6296 echo "GIT binary        $git"
6297 echo "GIT submodules    $git_submodules"
6298 echo "C compiler        $cc"
6299 echo "Host C compiler   $host_cc"
6300 echo "C++ compiler      $cxx"
6301 echo "Objective-C compiler $objcc"
6302 echo "ARFLAGS           $ARFLAGS"
6303 echo "CFLAGS            $CFLAGS"
6304 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6305 echo "LDFLAGS           $LDFLAGS"
6306 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6307 echo "make              $make"
6308 echo "install           $install"
6309 echo "python            $python ($python_version)"
6310 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6311 if test "$slirp" != "no" ; then
6312     echo "smbd              $smbd"
6313 fi
6314 echo "module support    $modules"
6315 echo "host CPU          $cpu"
6316 echo "host big endian   $bigendian"
6317 echo "target list       $target_list"
6318 echo "gprof enabled     $gprof"
6319 echo "sparse enabled    $sparse"
6320 echo "strip binaries    $strip_opt"
6321 echo "profiler          $profiler"
6322 echo "static build      $static"
6323 if test "$darwin" = "yes" ; then
6324     echo "Cocoa support     $cocoa"
6325 fi
6326 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6327 echo "SDL image support $sdl_image"
6328 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6329 echo "GTK GL support    $gtk_gl"
6330 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6331 echo "TLS priority      $tls_priority"
6332 echo "GNUTLS support    $gnutls"
6333 echo "libgcrypt         $gcrypt"
6334 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6335 echo "libtasn1          $tasn1"
6336 echo "PAM               $auth_pam"
6337 echo "iconv support     $iconv"
6338 echo "curses support    $curses"
6339 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6340 echo "curl support      $curl"
6341 echo "mingw32 support   $mingw32"
6342 echo "Audio drivers     $audio_drv_list"
6343 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6344 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6345 echo "VirtFS support    $virtfs"
6346 echo "Multipath support $mpath"
6347 echo "VNC support       $vnc"
6348 if test "$vnc" = "yes" ; then
6349     echo "VNC SASL support  $vnc_sasl"
6350     echo "VNC JPEG support  $vnc_jpeg"
6351     echo "VNC PNG support   $vnc_png"
6352 fi
6353 if test -n "$sparc_cpu"; then
6354     echo "Target Sparc Arch $sparc_cpu"
6355 fi
6356 echo "xen support       $xen"
6357 if test "$xen" = "yes" ; then
6358   echo "xen ctrl version  $xen_ctrl_version"
6359 fi
6360 echo "brlapi support    $brlapi"
6361 echo "bluez  support    $bluez"
6362 echo "Documentation     $docs"
6363 echo "PIE               $pie"
6364 echo "vde support       $vde"
6365 echo "netmap support    $netmap"
6366 echo "Linux AIO support $linux_aio"
6367 echo "ATTR/XATTR support $attr"
6368 echo "Install blobs     $blobs"
6369 echo "KVM support       $kvm"
6370 echo "HAX support       $hax"
6371 echo "HVF support       $hvf"
6372 echo "WHPX support      $whpx"
6373 echo "TCG support       $tcg"
6374 if test "$tcg" = "yes" ; then
6375     echo "TCG debug enabled $debug_tcg"
6376     echo "TCG interpreter   $tcg_interpreter"
6377 fi
6378 echo "malloc trim support $malloc_trim"
6379 echo "RDMA support      $rdma"
6380 echo "PVRDMA support    $pvrdma"
6381 echo "fdt support       $fdt"
6382 echo "membarrier        $membarrier"
6383 echo "preadv support    $preadv"
6384 echo "fdatasync         $fdatasync"
6385 echo "madvise           $madvise"
6386 echo "posix_madvise     $posix_madvise"
6387 echo "posix_memalign    $posix_memalign"
6388 echo "libcap-ng support $cap_ng"
6389 echo "vhost-net support $vhost_net"
6390 echo "vhost-crypto support $vhost_crypto"
6391 echo "vhost-scsi support $vhost_scsi"
6392 echo "vhost-vsock support $vhost_vsock"
6393 echo "vhost-user support $vhost_user"
6394 echo "Trace backends    $trace_backends"
6395 if have_backend "simple"; then
6396 echo "Trace output file $trace_file-<pid>"
6397 fi
6398 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6399 echo "rbd support       $rbd"
6400 echo "xfsctl support    $xfs"
6401 echo "smartcard support $smartcard"
6402 echo "libusb            $libusb"
6403 echo "usb net redir     $usb_redir"
6404 echo "OpenGL support    $opengl"
6405 echo "OpenGL dmabufs    $opengl_dmabuf"
6406 echo "libiscsi support  $libiscsi"
6407 echo "libnfs support    $libnfs"
6408 echo "build guest agent $guest_agent"
6409 echo "QGA VSS support   $guest_agent_with_vss"
6410 echo "QGA w32 disk info $guest_agent_ntddscsi"
6411 echo "QGA MSI support   $guest_agent_msi"
6412 echo "seccomp support   $seccomp"
6413 echo "coroutine backend $coroutine"
6414 echo "coroutine pool    $coroutine_pool"
6415 echo "debug stack usage $debug_stack_usage"
6416 echo "mutex debugging   $debug_mutex"
6417 echo "crypto afalg      $crypto_afalg"
6418 echo "GlusterFS support $glusterfs"
6419 echo "gcov              $gcov_tool"
6420 echo "gcov enabled      $gcov"
6421 echo "TPM support       $tpm"
6422 echo "libssh2 support   $libssh2"
6423 echo "TPM passthrough   $tpm_passthrough"
6424 echo "TPM emulator      $tpm_emulator"
6425 echo "QOM debugging     $qom_cast_debug"
6426 echo "Live block migration $live_block_migration"
6427 echo "lzo support       $lzo"
6428 echo "snappy support    $snappy"
6429 echo "bzip2 support     $bzip2"
6430 echo "lzfse support     $lzfse"
6431 echo "NUMA host support $numa"
6432 echo "libxml2           $libxml2"
6433 echo "tcmalloc support  $tcmalloc"
6434 echo "jemalloc support  $jemalloc"
6435 echo "avx2 optimization $avx2_opt"
6436 echo "replication support $replication"
6437 echo "VxHS block device $vxhs"
6438 echo "bochs support     $bochs"
6439 echo "cloop support     $cloop"
6440 echo "dmg support       $dmg"
6441 echo "qcow v1 support   $qcow1"
6442 echo "vdi support       $vdi"
6443 echo "vvfat support     $vvfat"
6444 echo "qed support       $qed"
6445 echo "parallels support $parallels"
6446 echo "sheepdog support  $sheepdog"
6447 echo "capstone          $capstone"
6448 echo "docker            $docker"
6449 echo "libpmem support   $libpmem"
6450 echo "libudev           $libudev"
6451 echo "default devices   $default_devices"
6452
6453 if test "$supported_cpu" = "no"; then
6454     echo
6455     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6456     echo
6457     echo "CPU host architecture $cpu support is not currently maintained."
6458     echo "The QEMU project intends to remove support for this host CPU in"
6459     echo "a future release if nobody volunteers to maintain it and to"
6460     echo "provide a build host for our continuous integration setup."
6461     echo "configure has succeeded and you can continue to build, but"
6462     echo "if you care about QEMU on this platform you should contact"
6463     echo "us upstream at qemu-devel@nongnu.org."
6464 fi
6465
6466 if test "$supported_os" = "no"; then
6467     echo
6468     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6469     echo
6470     echo "Host OS $targetos support is not currently maintained."
6471     echo "The QEMU project intends to remove support for this host OS in"
6472     echo "a future release if nobody volunteers to maintain it and to"
6473     echo "provide a build host for our continuous integration setup."
6474     echo "configure has succeeded and you can continue to build, but"
6475     echo "if you care about QEMU on this platform you should contact"
6476     echo "us upstream at qemu-devel@nongnu.org."
6477 fi
6478
6479 config_host_mak="config-host.mak"
6480
6481 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6482
6483 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6484 echo >> $config_host_mak
6485
6486 echo all: >> $config_host_mak
6487 echo "prefix=$prefix" >> $config_host_mak
6488 echo "bindir=$bindir" >> $config_host_mak
6489 echo "libdir=$libdir" >> $config_host_mak
6490 echo "libexecdir=$libexecdir" >> $config_host_mak
6491 echo "includedir=$includedir" >> $config_host_mak
6492 echo "mandir=$mandir" >> $config_host_mak
6493 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6494 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6495 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6496 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6497 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6498 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6499 if test "$mingw32" = "no" ; then
6500   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6501 fi
6502 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6503 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6504 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6505 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6506 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6507 echo "GIT=$git" >> $config_host_mak
6508 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6509 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6510
6511 echo "ARCH=$ARCH" >> $config_host_mak
6512
6513 if test "$default_devices" = "yes" ; then
6514   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6515 else
6516   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6517 fi
6518 if test "$debug_tcg" = "yes" ; then
6519   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6520 fi
6521 if test "$strip_opt" = "yes" ; then
6522   echo "STRIP=${strip}" >> $config_host_mak
6523 fi
6524 if test "$bigendian" = "yes" ; then
6525   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6526 fi
6527 if test "$mingw32" = "yes" ; then
6528   echo "CONFIG_WIN32=y" >> $config_host_mak
6529   rc_version=$(cat $source_path/VERSION)
6530   version_major=${rc_version%%.*}
6531   rc_version=${rc_version#*.}
6532   version_minor=${rc_version%%.*}
6533   rc_version=${rc_version#*.}
6534   version_subminor=${rc_version%%.*}
6535   version_micro=0
6536   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6537   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6538   if test "$guest_agent_with_vss" = "yes" ; then
6539     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6540     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6541     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6542   fi
6543   if test "$guest_agent_ntddscsi" = "yes" ; then
6544     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6545   fi
6546   if test "$guest_agent_msi" = "yes"; then
6547     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6548     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6549     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6550     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6551     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6552     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6553     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6554   fi
6555 else
6556   echo "CONFIG_POSIX=y" >> $config_host_mak
6557 fi
6558
6559 if test "$linux" = "yes" ; then
6560   echo "CONFIG_LINUX=y" >> $config_host_mak
6561 fi
6562
6563 if test "$darwin" = "yes" ; then
6564   echo "CONFIG_DARWIN=y" >> $config_host_mak
6565 fi
6566
6567 if test "$solaris" = "yes" ; then
6568   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6569 fi
6570 if test "$haiku" = "yes" ; then
6571   echo "CONFIG_HAIKU=y" >> $config_host_mak
6572 fi
6573 if test "$static" = "yes" ; then
6574   echo "CONFIG_STATIC=y" >> $config_host_mak
6575 fi
6576 if test "$profiler" = "yes" ; then
6577   echo "CONFIG_PROFILER=y" >> $config_host_mak
6578 fi
6579 if test "$slirp" != "no"; then
6580   echo "CONFIG_SLIRP=y" >> $config_host_mak
6581   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6582   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6583   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6584 fi
6585 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6586     echo "config-host.h: subdir-slirp" >> $config_host_mak
6587 fi
6588 if test "$vde" = "yes" ; then
6589   echo "CONFIG_VDE=y" >> $config_host_mak
6590   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6591 fi
6592 if test "$netmap" = "yes" ; then
6593   echo "CONFIG_NETMAP=y" >> $config_host_mak
6594 fi
6595 if test "$l2tpv3" = "yes" ; then
6596   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6597 fi
6598 if test "$cap_ng" = "yes" ; then
6599   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6600 fi
6601 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6602 for drv in $audio_drv_list; do
6603     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6604     case "$drv" in
6605         alsa | oss | pa | sdl)
6606             echo "$def=m" >> $config_host_mak ;;
6607         *)
6608             echo "$def=y" >> $config_host_mak ;;
6609     esac
6610 done
6611 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6612 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6613 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6614 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6615 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6616 if test "$audio_pt_int" = "yes" ; then
6617   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6618 fi
6619 if test "$audio_win_int" = "yes" ; then
6620   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6621 fi
6622 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6623 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6624 if test "$vnc" = "yes" ; then
6625   echo "CONFIG_VNC=y" >> $config_host_mak
6626 fi
6627 if test "$vnc_sasl" = "yes" ; then
6628   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6629 fi
6630 if test "$vnc_jpeg" = "yes" ; then
6631   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6632 fi
6633 if test "$vnc_png" = "yes" ; then
6634   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6635 fi
6636 if test "$xkbcommon" = "yes" ; then
6637   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6638   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6639 fi
6640 if test "$xfs" = "yes" ; then
6641   echo "CONFIG_XFS=y" >> $config_host_mak
6642 fi
6643 qemu_version=$(head $source_path/VERSION)
6644 echo "VERSION=$qemu_version" >>$config_host_mak
6645 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6646 echo "SRC_PATH=$source_path" >> $config_host_mak
6647 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6648 if [ "$docs" = "yes" ] ; then
6649   echo "BUILD_DOCS=yes" >> $config_host_mak
6650 fi
6651 if test "$modules" = "yes"; then
6652   # $shacmd can generate a hash started with digit, which the compiler doesn't
6653   # like as an symbol. So prefix it with an underscore
6654   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6655   echo "CONFIG_MODULES=y" >> $config_host_mak
6656 fi
6657 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6658   echo "CONFIG_X11=y" >> $config_host_mak
6659   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6660   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6661 fi
6662 if test "$sdl" = "yes" ; then
6663   echo "CONFIG_SDL=m" >> $config_host_mak
6664   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6665   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6666   if test "$sdl_image" = "yes" ; then
6667       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6668   fi
6669 fi
6670 if test "$cocoa" = "yes" ; then
6671   echo "CONFIG_COCOA=y" >> $config_host_mak
6672 fi
6673 if test "$iconv" = "yes" ; then
6674   echo "CONFIG_ICONV=y" >> $config_host_mak
6675   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6676   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6677 fi
6678 if test "$curses" = "yes" ; then
6679   echo "CONFIG_CURSES=m" >> $config_host_mak
6680   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6681   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6682 fi
6683 if test "$pipe2" = "yes" ; then
6684   echo "CONFIG_PIPE2=y" >> $config_host_mak
6685 fi
6686 if test "$accept4" = "yes" ; then
6687   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6688 fi
6689 if test "$splice" = "yes" ; then
6690   echo "CONFIG_SPLICE=y" >> $config_host_mak
6691 fi
6692 if test "$eventfd" = "yes" ; then
6693   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6694 fi
6695 if test "$memfd" = "yes" ; then
6696   echo "CONFIG_MEMFD=y" >> $config_host_mak
6697 fi
6698 if test "$have_usbfs" = "yes" ; then
6699   echo "CONFIG_USBFS=y" >> $config_host_mak
6700 fi
6701 if test "$fallocate" = "yes" ; then
6702   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6703 fi
6704 if test "$fallocate_punch_hole" = "yes" ; then
6705   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6706 fi
6707 if test "$fallocate_zero_range" = "yes" ; then
6708   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6709 fi
6710 if test "$posix_fallocate" = "yes" ; then
6711   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6712 fi
6713 if test "$sync_file_range" = "yes" ; then
6714   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6715 fi
6716 if test "$fiemap" = "yes" ; then
6717   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6718 fi
6719 if test "$dup3" = "yes" ; then
6720   echo "CONFIG_DUP3=y" >> $config_host_mak
6721 fi
6722 if test "$ppoll" = "yes" ; then
6723   echo "CONFIG_PPOLL=y" >> $config_host_mak
6724 fi
6725 if test "$prctl_pr_set_timerslack" = "yes" ; then
6726   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6727 fi
6728 if test "$epoll" = "yes" ; then
6729   echo "CONFIG_EPOLL=y" >> $config_host_mak
6730 fi
6731 if test "$epoll_create1" = "yes" ; then
6732   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6733 fi
6734 if test "$sendfile" = "yes" ; then
6735   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6736 fi
6737 if test "$timerfd" = "yes" ; then
6738   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6739 fi
6740 if test "$setns" = "yes" ; then
6741   echo "CONFIG_SETNS=y" >> $config_host_mak
6742 fi
6743 if test "$clock_adjtime" = "yes" ; then
6744   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6745 fi
6746 if test "$syncfs" = "yes" ; then
6747   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6748 fi
6749 if test "$inotify" = "yes" ; then
6750   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6751 fi
6752 if test "$inotify1" = "yes" ; then
6753   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6754 fi
6755 if test "$sem_timedwait" = "yes" ; then
6756   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6757 fi
6758 if test "$strchrnul" = "yes" ; then
6759   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6760 fi
6761 if test "$byteswap_h" = "yes" ; then
6762   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6763 fi
6764 if test "$bswap_h" = "yes" ; then
6765   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6766 fi
6767 if test "$curl" = "yes" ; then
6768   echo "CONFIG_CURL=m" >> $config_host_mak
6769   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6770   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6771 fi
6772 if test "$brlapi" = "yes" ; then
6773   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6774   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6775 fi
6776 if test "$bluez" = "yes" ; then
6777   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6778   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6779 fi
6780 if test "$gtk" = "yes" ; then
6781   echo "CONFIG_GTK=m" >> $config_host_mak
6782   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6783   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6784   if test "$gtk_gl" = "yes" ; then
6785     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6786   fi
6787 fi
6788 if test "$gio" = "yes" ; then
6789     echo "CONFIG_GIO=y" >> $config_host_mak
6790     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6791     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6792 fi
6793 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6794 if test "$gnutls" = "yes" ; then
6795   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6796 fi
6797 if test "$gcrypt" = "yes" ; then
6798   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6799   if test "$gcrypt_hmac" = "yes" ; then
6800     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6801   fi
6802 fi
6803 if test "$nettle" = "yes" ; then
6804   echo "CONFIG_NETTLE=y" >> $config_host_mak
6805   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6806 fi
6807 if test "$tasn1" = "yes" ; then
6808   echo "CONFIG_TASN1=y" >> $config_host_mak
6809 fi
6810 if test "$auth_pam" = "yes" ; then
6811     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6812 fi
6813 if test "$have_ifaddrs_h" = "yes" ; then
6814     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6815 fi
6816 if test "$have_broken_size_max" = "yes" ; then
6817     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6818 fi
6819
6820 # Work around a system header bug with some kernel/XFS header
6821 # versions where they both try to define 'struct fsxattr':
6822 # xfs headers will not try to redefine structs from linux headers
6823 # if this macro is set.
6824 if test "$have_fsxattr" = "yes" ; then
6825     echo "HAVE_FSXATTR=y" >> $config_host_mak
6826 fi
6827 if test "$have_copy_file_range" = "yes" ; then
6828     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6829 fi
6830 if test "$vte" = "yes" ; then
6831   echo "CONFIG_VTE=y" >> $config_host_mak
6832   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6833   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6834 fi
6835 if test "$virglrenderer" = "yes" ; then
6836   echo "CONFIG_VIRGL=y" >> $config_host_mak
6837   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6838   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6839 fi
6840 if test "$xen" = "yes" ; then
6841   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6842   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6843 fi
6844 if test "$linux_aio" = "yes" ; then
6845   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6846 fi
6847 if test "$attr" = "yes" ; then
6848   echo "CONFIG_ATTR=y" >> $config_host_mak
6849 fi
6850 if test "$libattr" = "yes" ; then
6851   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6852 fi
6853 if test "$virtfs" = "yes" ; then
6854   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6855 fi
6856 if test "$mpath" = "yes" ; then
6857   echo "CONFIG_MPATH=y" >> $config_host_mak
6858   if test "$mpathpersist_new_api" = "yes"; then
6859     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6860   fi
6861 fi
6862 if test "$vhost_scsi" = "yes" ; then
6863   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6864 fi
6865 if test "$vhost_net" = "yes" ; then
6866   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6867 fi
6868 if test "$vhost_net_user" = "yes" ; then
6869   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6870 fi
6871 if test "$vhost_crypto" = "yes" ; then
6872   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6873 fi
6874 if test "$vhost_vsock" = "yes" ; then
6875   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6876 fi
6877 if test "$vhost_kernel" = "yes" ; then
6878   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6879 fi
6880 if test "$vhost_user" = "yes" ; then
6881   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6882 fi
6883 if test "$blobs" = "yes" ; then
6884   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6885 fi
6886 if test "$iovec" = "yes" ; then
6887   echo "CONFIG_IOVEC=y" >> $config_host_mak
6888 fi
6889 if test "$preadv" = "yes" ; then
6890   echo "CONFIG_PREADV=y" >> $config_host_mak
6891 fi
6892 if test "$fdt" != "no" ; then
6893   echo "CONFIG_FDT=y" >> $config_host_mak
6894 fi
6895 if test "$membarrier" = "yes" ; then
6896   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6897 fi
6898 if test "$signalfd" = "yes" ; then
6899   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6900 fi
6901 if test "$optreset" = "yes" ; then
6902   echo "HAVE_OPTRESET=y" >> $config_host_mak
6903 fi
6904 if test "$tcg" = "yes"; then
6905   echo "CONFIG_TCG=y" >> $config_host_mak
6906   if test "$tcg_interpreter" = "yes" ; then
6907     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6908   fi
6909 fi
6910 if test "$fdatasync" = "yes" ; then
6911   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6912 fi
6913 if test "$madvise" = "yes" ; then
6914   echo "CONFIG_MADVISE=y" >> $config_host_mak
6915 fi
6916 if test "$posix_madvise" = "yes" ; then
6917   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6918 fi
6919 if test "$posix_memalign" = "yes" ; then
6920   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6921 fi
6922
6923 if test "$spice" = "yes" ; then
6924   echo "CONFIG_SPICE=y" >> $config_host_mak
6925 fi
6926
6927 if test "$smartcard" = "yes" ; then
6928   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6929   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6930   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6931 fi
6932
6933 if test "$libusb" = "yes" ; then
6934   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6935   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6936   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6937 fi
6938
6939 if test "$usb_redir" = "yes" ; then
6940   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6941   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6942   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6943 fi
6944
6945 if test "$opengl" = "yes" ; then
6946   echo "CONFIG_OPENGL=y" >> $config_host_mak
6947   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6948   if test "$opengl_dmabuf" = "yes" ; then
6949     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6950   fi
6951 fi
6952
6953 if test "$malloc_trim" = "yes" ; then
6954   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6955 fi
6956
6957 if test "$avx2_opt" = "yes" ; then
6958   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6959 fi
6960
6961 if test "$lzo" = "yes" ; then
6962   echo "CONFIG_LZO=y" >> $config_host_mak
6963 fi
6964
6965 if test "$snappy" = "yes" ; then
6966   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6967 fi
6968
6969 if test "$bzip2" = "yes" ; then
6970   echo "CONFIG_BZIP2=y" >> $config_host_mak
6971   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6972 fi
6973
6974 if test "$lzfse" = "yes" ; then
6975   echo "CONFIG_LZFSE=y" >> $config_host_mak
6976   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6977 fi
6978
6979 if test "$libiscsi" = "yes" ; then
6980   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6981   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6982   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6983 fi
6984
6985 if test "$libnfs" = "yes" ; then
6986   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6987   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6988 fi
6989
6990 if test "$seccomp" = "yes"; then
6991   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6992   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6993   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6994 fi
6995
6996 # XXX: suppress that
6997 if [ "$bsd" = "yes" ] ; then
6998   echo "CONFIG_BSD=y" >> $config_host_mak
6999 fi
7000
7001 if test "$localtime_r" = "yes" ; then
7002   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7003 fi
7004 if test "$qom_cast_debug" = "yes" ; then
7005   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7006 fi
7007 if test "$rbd" = "yes" ; then
7008   echo "CONFIG_RBD=m" >> $config_host_mak
7009   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7010   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7011 fi
7012
7013 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7014 if test "$coroutine_pool" = "yes" ; then
7015   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7016 else
7017   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7018 fi
7019
7020 if test "$debug_stack_usage" = "yes" ; then
7021   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7022 fi
7023
7024 if test "$crypto_afalg" = "yes" ; then
7025   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7026 fi
7027
7028 if test "$open_by_handle_at" = "yes" ; then
7029   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7030 fi
7031
7032 if test "$linux_magic_h" = "yes" ; then
7033   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7034 fi
7035
7036 if test "$pragma_diagnostic_available" = "yes" ; then
7037   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7038 fi
7039
7040 if test "$valgrind_h" = "yes" ; then
7041   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7042 fi
7043
7044 if test "$have_asan_iface_fiber" = "yes" ; then
7045     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7046 fi
7047
7048 if test "$has_environ" = "yes" ; then
7049   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7050 fi
7051
7052 if test "$cpuid_h" = "yes" ; then
7053   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7054 fi
7055
7056 if test "$int128" = "yes" ; then
7057   echo "CONFIG_INT128=y" >> $config_host_mak
7058 fi
7059
7060 if test "$atomic128" = "yes" ; then
7061   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7062 fi
7063
7064 if test "$cmpxchg128" = "yes" ; then
7065   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7066 fi
7067
7068 if test "$atomic64" = "yes" ; then
7069   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7070 fi
7071
7072 if test "$vector16" = "yes" ; then
7073   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7074 fi
7075
7076 if test "$getauxval" = "yes" ; then
7077   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7078 fi
7079
7080 if test "$glusterfs" = "yes" ; then
7081   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7082   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7083   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7084 fi
7085
7086 if test "$glusterfs_xlator_opt" = "yes" ; then
7087   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7088 fi
7089
7090 if test "$glusterfs_discard" = "yes" ; then
7091   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7092 fi
7093
7094 if test "$glusterfs_fallocate" = "yes" ; then
7095   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7096 fi
7097
7098 if test "$glusterfs_zerofill" = "yes" ; then
7099   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7100 fi
7101
7102 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7103   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7104 fi
7105
7106 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7107   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7108 fi
7109
7110 if test "$libssh2" = "yes" ; then
7111   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
7112   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
7113   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
7114 fi
7115
7116 if test "$live_block_migration" = "yes" ; then
7117   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7118 fi
7119
7120 if test "$tpm" = "yes"; then
7121   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
7122   # TPM passthrough support?
7123   if test "$tpm_passthrough" = "yes"; then
7124     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
7125   fi
7126   # TPM emulator support?
7127   if test "$tpm_emulator" = "yes"; then
7128     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
7129   fi
7130 fi
7131
7132 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7133 if have_backend "nop"; then
7134   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7135 fi
7136 if have_backend "simple"; then
7137   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7138   # Set the appropriate trace file.
7139   trace_file="\"$trace_file-\" FMT_pid"
7140 fi
7141 if have_backend "log"; then
7142   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7143 fi
7144 if have_backend "ust"; then
7145   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7146 fi
7147 if have_backend "dtrace"; then
7148   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7149   if test "$trace_backend_stap" = "yes" ; then
7150     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7151   fi
7152 fi
7153 if have_backend "ftrace"; then
7154   if test "$linux" = "yes" ; then
7155     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7156   else
7157     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7158   fi
7159 fi
7160 if have_backend "syslog"; then
7161   if test "$posix_syslog" = "yes" ; then
7162     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7163   else
7164     feature_not_found "syslog(trace backend)" "syslog not available"
7165   fi
7166 fi
7167 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7168
7169 if test "$rdma" = "yes" ; then
7170   echo "CONFIG_RDMA=y" >> $config_host_mak
7171   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7172 fi
7173
7174 if test "$pvrdma" = "yes" ; then
7175   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7176 fi
7177
7178 if test "$have_rtnetlink" = "yes" ; then
7179   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7180 fi
7181
7182 if test "$libxml2" = "yes" ; then
7183   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7184   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7185   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7186 fi
7187
7188 if test "$replication" = "yes" ; then
7189   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7190 fi
7191
7192 if test "$have_af_vsock" = "yes" ; then
7193   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7194 fi
7195
7196 if test "$have_sysmacros" = "yes" ; then
7197   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7198 fi
7199
7200 if test "$have_static_assert" = "yes" ; then
7201   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7202 fi
7203
7204 if test "$have_utmpx" = "yes" ; then
7205   echo "HAVE_UTMPX=y" >> $config_host_mak
7206 fi
7207
7208 if test "$ivshmem" = "yes" ; then
7209   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7210 fi
7211 if test "$capstone" != "no" ; then
7212   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7213 fi
7214 if test "$debug_mutex" = "yes" ; then
7215   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7216 fi
7217
7218 # Hold two types of flag:
7219 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7220 #                                     a thread we have a handle to
7221 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7222 #                                     platform
7223 if test "$pthread_setname_np_w_tid" = "yes" ; then
7224   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7225   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7226 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7227   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7228   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7229 fi
7230
7231 if test "$vxhs" = "yes" ; then
7232   echo "CONFIG_VXHS=y" >> $config_host_mak
7233   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7234 fi
7235
7236 if test "$libpmem" = "yes" ; then
7237   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7238 fi
7239
7240 if test "$bochs" = "yes" ; then
7241   echo "CONFIG_BOCHS=y" >> $config_host_mak
7242 fi
7243 if test "$cloop" = "yes" ; then
7244   echo "CONFIG_CLOOP=y" >> $config_host_mak
7245 fi
7246 if test "$dmg" = "yes" ; then
7247   echo "CONFIG_DMG=y" >> $config_host_mak
7248 fi
7249 if test "$qcow1" = "yes" ; then
7250   echo "CONFIG_QCOW1=y" >> $config_host_mak
7251 fi
7252 if test "$vdi" = "yes" ; then
7253   echo "CONFIG_VDI=y" >> $config_host_mak
7254 fi
7255 if test "$vvfat" = "yes" ; then
7256   echo "CONFIG_VVFAT=y" >> $config_host_mak
7257 fi
7258 if test "$qed" = "yes" ; then
7259   echo "CONFIG_QED=y" >> $config_host_mak
7260 fi
7261 if test "$parallels" = "yes" ; then
7262   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7263 fi
7264 if test "$sheepdog" = "yes" ; then
7265   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7266 fi
7267
7268 if test "$tcg_interpreter" = "yes"; then
7269   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7270 elif test "$ARCH" = "sparc64" ; then
7271   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7272 elif test "$ARCH" = "s390x" ; then
7273   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7274 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7275   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7276 elif test "$ARCH" = "ppc64" ; then
7277   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7278 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7279   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7280 else
7281   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7282 fi
7283 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7284
7285 echo "TOOLS=$tools" >> $config_host_mak
7286 echo "ROMS=$roms" >> $config_host_mak
7287 echo "MAKE=$make" >> $config_host_mak
7288 echo "INSTALL=$install" >> $config_host_mak
7289 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7290 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7291 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7292 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7293 echo "PYTHON=$python" >> $config_host_mak
7294 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
7295 echo "CC=$cc" >> $config_host_mak
7296 if $iasl -h > /dev/null 2>&1; then
7297   echo "IASL=$iasl" >> $config_host_mak
7298 fi
7299 echo "HOST_CC=$host_cc" >> $config_host_mak
7300 echo "CXX=$cxx" >> $config_host_mak
7301 echo "OBJCC=$objcc" >> $config_host_mak
7302 echo "AR=$ar" >> $config_host_mak
7303 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7304 echo "AS=$as" >> $config_host_mak
7305 echo "CCAS=$ccas" >> $config_host_mak
7306 echo "CPP=$cpp" >> $config_host_mak
7307 echo "OBJCOPY=$objcopy" >> $config_host_mak
7308 echo "LD=$ld" >> $config_host_mak
7309 echo "RANLIB=$ranlib" >> $config_host_mak
7310 echo "NM=$nm" >> $config_host_mak
7311 echo "WINDRES=$windres" >> $config_host_mak
7312 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7313 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7314 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7315 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7316 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7317 if test "$sparse" = "yes" ; then
7318   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7319   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7320   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7321   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7322   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7323 fi
7324 if test "$cross_prefix" != ""; then
7325   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7326 else
7327   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7328 fi
7329 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7330 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7331 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7332 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7333 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7334 echo "LIBS+=$LIBS" >> $config_host_mak
7335 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7336 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7337 echo "EXESUF=$EXESUF" >> $config_host_mak
7338 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7339 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7340 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7341 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7342 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7343 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7344 if test "$gcov" = "yes" ; then
7345   echo "CONFIG_GCOV=y" >> $config_host_mak
7346   echo "GCOV=$gcov_tool" >> $config_host_mak
7347 fi
7348
7349 if test "$docker" != "no"; then
7350     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7351 fi
7352
7353 if test "$libudev" != "no"; then
7354     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7355     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7356 fi
7357
7358 # use included Linux headers
7359 if test "$linux" = "yes" ; then
7360   mkdir -p linux-headers
7361   case "$cpu" in
7362   i386|x86_64|x32)
7363     linux_arch=x86
7364     ;;
7365   ppc|ppc64)
7366     linux_arch=powerpc
7367     ;;
7368   s390x)
7369     linux_arch=s390
7370     ;;
7371   aarch64)
7372     linux_arch=arm64
7373     ;;
7374   mips64)
7375     linux_arch=mips
7376     ;;
7377   *)
7378     # For most CPUs the kernel architecture name and QEMU CPU name match.
7379     linux_arch="$cpu"
7380     ;;
7381   esac
7382     # For non-KVM architectures we will not have asm headers
7383     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7384       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7385     fi
7386 fi
7387
7388 for target in $target_list; do
7389 target_dir="$target"
7390 config_target_mak=$target_dir/config-target.mak
7391 target_name=$(echo $target | cut -d '-' -f 1)
7392 target_bigendian="no"
7393
7394 case "$target_name" in
7395   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7396   target_bigendian=yes
7397   ;;
7398 esac
7399 target_softmmu="no"
7400 target_user_only="no"
7401 target_linux_user="no"
7402 target_bsd_user="no"
7403 case "$target" in
7404   ${target_name}-softmmu)
7405     target_softmmu="yes"
7406     ;;
7407   ${target_name}-linux-user)
7408     target_user_only="yes"
7409     target_linux_user="yes"
7410     ;;
7411   ${target_name}-bsd-user)
7412     target_user_only="yes"
7413     target_bsd_user="yes"
7414     ;;
7415   *)
7416     error_exit "Target '$target' not recognised"
7417     exit 1
7418     ;;
7419 esac
7420
7421 target_compiler=""
7422 target_compiler_static=""
7423 target_compiler_cflags=""
7424
7425 mkdir -p $target_dir
7426 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7427
7428 bflt="no"
7429 mttcg="no"
7430 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7431 gdb_xml_files=""
7432
7433 TARGET_ARCH="$target_name"
7434 TARGET_BASE_ARCH=""
7435 TARGET_ABI_DIR=""
7436
7437 case "$target_name" in
7438   i386)
7439     mttcg="yes"
7440         gdb_xml_files="i386-32bit.xml"
7441     target_compiler=$cross_cc_i386
7442     target_compiler_cflags=$cross_cc_ccflags_i386
7443   ;;
7444   x86_64)
7445     TARGET_BASE_ARCH=i386
7446     mttcg="yes"
7447         gdb_xml_files="i386-64bit.xml"
7448     target_compiler=$cross_cc_x86_64
7449   ;;
7450   alpha)
7451     mttcg="yes"
7452     target_compiler=$cross_cc_alpha
7453   ;;
7454   arm|armeb)
7455     TARGET_ARCH=arm
7456     bflt="yes"
7457     mttcg="yes"
7458     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7459     target_compiler=$cross_cc_arm
7460     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7461   ;;
7462   aarch64|aarch64_be)
7463     TARGET_ARCH=aarch64
7464     TARGET_BASE_ARCH=arm
7465     bflt="yes"
7466     mttcg="yes"
7467     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7468     target_compiler=$cross_cc_aarch64
7469     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7470   ;;
7471   cris)
7472     target_compiler=$cross_cc_cris
7473   ;;
7474   hppa)
7475     mttcg="yes"
7476     target_compiler=$cross_cc_hppa
7477   ;;
7478   lm32)
7479     target_compiler=$cross_cc_lm32
7480   ;;
7481   m68k)
7482     bflt="yes"
7483     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7484     target_compiler=$cross_cc_m68k
7485   ;;
7486   microblaze|microblazeel)
7487     TARGET_ARCH=microblaze
7488     bflt="yes"
7489     echo "TARGET_ABI32=y" >> $config_target_mak
7490     target_compiler=$cross_cc_microblaze
7491   ;;
7492   mips|mipsel)
7493     mttcg="yes"
7494     TARGET_ARCH=mips
7495     target_compiler=$cross_cc_mips
7496     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7497   ;;
7498   mipsn32|mipsn32el)
7499     mttcg="yes"
7500     TARGET_ARCH=mips64
7501     TARGET_BASE_ARCH=mips
7502     target_compiler=$cross_cc_mipsn32
7503     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7504     echo "TARGET_ABI32=y" >> $config_target_mak
7505   ;;
7506   mips64|mips64el)
7507     mttcg="yes"
7508     TARGET_ARCH=mips64
7509     TARGET_BASE_ARCH=mips
7510     target_compiler=$cross_cc_mips64
7511     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7512   ;;
7513   moxie)
7514     target_compiler=$cross_cc_moxie
7515   ;;
7516   nios2)
7517     target_compiler=$cross_cc_nios2
7518   ;;
7519   or1k)
7520     target_compiler=$cross_cc_or1k
7521     TARGET_ARCH=openrisc
7522     TARGET_BASE_ARCH=openrisc
7523   ;;
7524   ppc)
7525     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7526     target_compiler=$cross_cc_powerpc
7527   ;;
7528   ppc64)
7529     TARGET_BASE_ARCH=ppc
7530     TARGET_ABI_DIR=ppc
7531     mttcg=yes
7532     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7533     target_compiler=$cross_cc_ppc64
7534   ;;
7535   ppc64le)
7536     TARGET_ARCH=ppc64
7537     TARGET_BASE_ARCH=ppc
7538     TARGET_ABI_DIR=ppc
7539     mttcg=yes
7540     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7541     target_compiler=$cross_cc_ppc64le
7542   ;;
7543   ppc64abi32)
7544     TARGET_ARCH=ppc64
7545     TARGET_BASE_ARCH=ppc
7546     TARGET_ABI_DIR=ppc
7547     echo "TARGET_ABI32=y" >> $config_target_mak
7548     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7549     target_compiler=$cross_cc_ppc64abi32
7550   ;;
7551   riscv32)
7552     TARGET_BASE_ARCH=riscv
7553     TARGET_ABI_DIR=riscv
7554     mttcg=yes
7555     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml"
7556     target_compiler=$cross_cc_riscv32
7557   ;;
7558   riscv64)
7559     TARGET_BASE_ARCH=riscv
7560     TARGET_ABI_DIR=riscv
7561     mttcg=yes
7562     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml"
7563     target_compiler=$cross_cc_riscv64
7564   ;;
7565   sh4|sh4eb)
7566     TARGET_ARCH=sh4
7567     bflt="yes"
7568     target_compiler=$cross_cc_sh4
7569   ;;
7570   sparc)
7571     target_compiler=$cross_cc_sparc
7572   ;;
7573   sparc64)
7574     TARGET_BASE_ARCH=sparc
7575     target_compiler=$cross_cc_sparc64
7576   ;;
7577   sparc32plus)
7578     TARGET_ARCH=sparc64
7579     TARGET_BASE_ARCH=sparc
7580     TARGET_ABI_DIR=sparc
7581     target_compiler=$cross_cc_sparc32plus
7582     echo "TARGET_ABI32=y" >> $config_target_mak
7583   ;;
7584   s390x)
7585     mttcg=yes
7586     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7587     target_compiler=$cross_cc_s390x
7588   ;;
7589   tilegx)
7590     target_compiler=$cross_cc_tilegx
7591   ;;
7592   tricore)
7593     target_compiler=$cross_cc_tricore
7594   ;;
7595   unicore32)
7596     target_compiler=$cross_cc_unicore32
7597   ;;
7598   xtensa|xtensaeb)
7599     TARGET_ARCH=xtensa
7600     bflt="yes"
7601     mttcg="yes"
7602     target_compiler=$cross_cc_xtensa
7603   ;;
7604   *)
7605     error_exit "Unsupported target CPU"
7606   ;;
7607 esac
7608 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7609 if [ "$TARGET_BASE_ARCH" = "" ]; then
7610   TARGET_BASE_ARCH=$TARGET_ARCH
7611 fi
7612
7613 # Do we have a cross compiler for this target?
7614 if has $target_compiler; then
7615
7616     write_c_skeleton
7617
7618     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7619         # For host systems we might get away with building without -static
7620         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7621             target_compiler=""
7622         else
7623             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7624             target_compiler_static="n"
7625         fi
7626     else
7627         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7628         target_compiler_static="y"
7629     fi
7630 else
7631     target_compiler=""
7632 fi
7633
7634 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7635
7636 upper() {
7637     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7638 }
7639
7640 target_arch_name="$(upper $TARGET_ARCH)"
7641 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7642 echo "TARGET_NAME=$target_name" >> $config_target_mak
7643 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7644 if [ "$TARGET_ABI_DIR" = "" ]; then
7645   TARGET_ABI_DIR=$TARGET_ARCH
7646 fi
7647 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7648 if [ "$HOST_VARIANT_DIR" != "" ]; then
7649     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7650 fi
7651
7652 if supported_xen_target $target; then
7653     echo "CONFIG_XEN=y" >> $config_target_mak
7654     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7655     if test "$xen_pci_passthrough" = yes; then
7656         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7657     fi
7658 else
7659     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7660 fi
7661 if supported_kvm_target $target; then
7662     echo "CONFIG_KVM=y" >> $config_target_mak
7663     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7664 else
7665     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7666 fi
7667 if supported_hax_target $target; then
7668     echo "CONFIG_HAX=y" >> $config_target_mak
7669 fi
7670 if supported_hvf_target $target; then
7671     echo "CONFIG_HVF=y" >> $config_target_mak
7672 fi
7673 if supported_whpx_target $target; then
7674     echo "CONFIG_WHPX=y" >> $config_target_mak
7675 fi
7676 if test "$target_bigendian" = "yes" ; then
7677   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7678 fi
7679 if test "$target_softmmu" = "yes" ; then
7680   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7681   if test "$mttcg" = "yes" ; then
7682     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7683   fi
7684 fi
7685 if test "$target_user_only" = "yes" ; then
7686   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7687   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7688 fi
7689 if test "$target_linux_user" = "yes" ; then
7690   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7691 fi
7692 list=""
7693 if test ! -z "$gdb_xml_files" ; then
7694   for x in $gdb_xml_files; do
7695     list="$list $source_path/gdb-xml/$x"
7696   done
7697   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7698 fi
7699
7700 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7701   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7702 fi
7703 if test "$target_bsd_user" = "yes" ; then
7704   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7705 fi
7706
7707 if test -n "$target_compiler"; then
7708   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7709
7710   if test -n "$target_compiler_static"; then
7711       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7712   fi
7713
7714   if test -n "$target_compiler_cflags"; then
7715       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7716   fi
7717 fi
7718
7719
7720 # generate QEMU_CFLAGS/LDFLAGS for targets
7721
7722 cflags=""
7723 ldflags=""
7724
7725 disas_config() {
7726   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7727   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7728 }
7729
7730 for i in $ARCH $TARGET_BASE_ARCH ; do
7731   case "$i" in
7732   alpha)
7733     disas_config "ALPHA"
7734   ;;
7735   aarch64)
7736     if test -n "${cxx}"; then
7737       disas_config "ARM_A64"
7738     fi
7739   ;;
7740   arm)
7741     disas_config "ARM"
7742     if test -n "${cxx}"; then
7743       disas_config "ARM_A64"
7744     fi
7745   ;;
7746   cris)
7747     disas_config "CRIS"
7748   ;;
7749   hppa)
7750     disas_config "HPPA"
7751   ;;
7752   i386|x86_64|x32)
7753     disas_config "I386"
7754   ;;
7755   lm32)
7756     disas_config "LM32"
7757   ;;
7758   m68k)
7759     disas_config "M68K"
7760   ;;
7761   microblaze*)
7762     disas_config "MICROBLAZE"
7763   ;;
7764   mips*)
7765     disas_config "MIPS"
7766     if test -n "${cxx}"; then
7767       disas_config "NANOMIPS"
7768     fi
7769   ;;
7770   moxie*)
7771     disas_config "MOXIE"
7772   ;;
7773   nios2)
7774     disas_config "NIOS2"
7775   ;;
7776   or1k)
7777     disas_config "OPENRISC"
7778   ;;
7779   ppc*)
7780     disas_config "PPC"
7781   ;;
7782   riscv*)
7783     disas_config "RISCV"
7784   ;;
7785   s390*)
7786     disas_config "S390"
7787   ;;
7788   sh4)
7789     disas_config "SH4"
7790   ;;
7791   sparc*)
7792     disas_config "SPARC"
7793   ;;
7794   xtensa*)
7795     disas_config "XTENSA"
7796   ;;
7797   esac
7798 done
7799 if test "$tcg_interpreter" = "yes" ; then
7800   disas_config "TCI"
7801 fi
7802
7803 case "$ARCH" in
7804 alpha)
7805   # Ensure there's only a single GP
7806   cflags="-msmall-data $cflags"
7807 ;;
7808 esac
7809
7810 if test "$gprof" = "yes" ; then
7811   echo "TARGET_GPROF=y" >> $config_target_mak
7812   if test "$target_linux_user" = "yes" ; then
7813     cflags="-p $cflags"
7814     ldflags="-p $ldflags"
7815   fi
7816   if test "$target_softmmu" = "yes" ; then
7817     ldflags="-p $ldflags"
7818     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7819   fi
7820 fi
7821
7822 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7823   ldflags="$ldflags $textseg_ldflags"
7824 fi
7825
7826 # Newer kernels on s390 check for an S390_PGSTE program header and
7827 # enable the pgste page table extensions in that case. This makes
7828 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7829 # header if
7830 #  - we build on s390x
7831 #  - we build the system emulation for s390x (qemu-system-s390x)
7832 #  - KVM is enabled
7833 #  - the linker supports --s390-pgste
7834 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7835         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7836     if ld_has --s390-pgste ; then
7837         ldflags="-Wl,--s390-pgste $ldflags"
7838     fi
7839 fi
7840
7841 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7842 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7843
7844 done # for target in $targets
7845
7846 if test -n "$enabled_cross_compilers"; then
7847     echo
7848     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7849 fi
7850
7851 if [ "$fdt" = "git" ]; then
7852   echo "config-host.h: subdir-dtc" >> $config_host_mak
7853 fi
7854 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7855   echo "config-host.h: subdir-capstone" >> $config_host_mak
7856 fi
7857 if test -n "$LIBCAPSTONE"; then
7858   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7859 fi
7860
7861 if test "$numa" = "yes"; then
7862   echo "CONFIG_NUMA=y" >> $config_host_mak
7863 fi
7864
7865 if test "$ccache_cpp2" = "yes"; then
7866   echo "export CCACHE_CPP2=y" >> $config_host_mak
7867 fi
7868
7869 # If we're using a separate build tree, set it up now.
7870 # DIRS are directories which we simply mkdir in the build tree;
7871 # LINKS are things to symlink back into the source tree
7872 # (these can be both files and directories).
7873 # Caution: do not add files or directories here using wildcards. This
7874 # will result in problems later if a new file matching the wildcard is
7875 # added to the source tree -- nothing will cause configure to be rerun
7876 # so the build tree will be missing the link back to the new file, and
7877 # tests might fail. Prefer to keep the relevant files in their own
7878 # directory and symlink the directory instead.
7879 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7880 DIRS="$DIRS tests/fp tests/qgraph"
7881 DIRS="$DIRS docs docs/interop fsdev scsi"
7882 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7883 DIRS="$DIRS roms/seabios roms/vgabios"
7884 LINKS="Makefile tests/tcg/Makefile"
7885 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7886 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7887 LINKS="$LINKS tests/fp/Makefile"
7888 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7889 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7890 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7891 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7892 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7893 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7894 LINKS="$LINKS tests/acceptance tests/data"
7895 LINKS="$LINKS tests/qemu-iotests/check"
7896 LINKS="$LINKS python"
7897 for bios_file in \
7898     $source_path/pc-bios/*.bin \
7899     $source_path/pc-bios/*.lid \
7900     $source_path/pc-bios/*.rom \
7901     $source_path/pc-bios/*.dtb \
7902     $source_path/pc-bios/*.img \
7903     $source_path/pc-bios/openbios-* \
7904     $source_path/pc-bios/u-boot.* \
7905     $source_path/pc-bios/edk2-*.fd.bz2 \
7906     $source_path/pc-bios/palcode-*
7907 do
7908     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7909 done
7910 mkdir -p $DIRS
7911 for f in $LINKS ; do
7912     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7913         symlink "$source_path/$f" "$f"
7914     fi
7915 done
7916
7917 # temporary config to build submodules
7918 for rom in seabios vgabios ; do
7919     config_mak=roms/$rom/config.mak
7920     echo "# Automatically generated by configure - do not modify" > $config_mak
7921     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7922     echo "AS=$as" >> $config_mak
7923     echo "CCAS=$ccas" >> $config_mak
7924     echo "CC=$cc" >> $config_mak
7925     echo "BCC=bcc" >> $config_mak
7926     echo "CPP=$cpp" >> $config_mak
7927     echo "OBJCOPY=objcopy" >> $config_mak
7928     echo "IASL=$iasl" >> $config_mak
7929     echo "LD=$ld" >> $config_mak
7930     echo "RANLIB=$ranlib" >> $config_mak
7931 done
7932
7933 # set up qemu-iotests in this build directory
7934 iotests_common_env="tests/qemu-iotests/common.env"
7935
7936 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7937 echo >> "$iotests_common_env"
7938 echo "export PYTHON='$python'" >> "$iotests_common_env"
7939
7940 # Save the configure command line for later reuse.
7941 cat <<EOD >config.status
7942 #!/bin/sh
7943 # Generated by configure.
7944 # Run this file to recreate the current configuration.
7945 # Compiler output produced by configure, useful for debugging
7946 # configure, is in config.log if it exists.
7947 EOD
7948
7949 preserve_env() {
7950     envname=$1
7951
7952     eval envval=\$$envname
7953
7954     if test -n "$envval"
7955     then
7956         echo "$envname='$envval'" >> config.status
7957         echo "export $envname" >> config.status
7958     else
7959         echo "unset $envname" >> config.status
7960     fi
7961 }
7962
7963 # Preserve various env variables that influence what
7964 # features/build target configure will detect
7965 preserve_env AR
7966 preserve_env AS
7967 preserve_env CC
7968 preserve_env CPP
7969 preserve_env CXX
7970 preserve_env INSTALL
7971 preserve_env LD
7972 preserve_env LD_LIBRARY_PATH
7973 preserve_env LIBTOOL
7974 preserve_env MAKE
7975 preserve_env NM
7976 preserve_env OBJCOPY
7977 preserve_env PATH
7978 preserve_env PKG_CONFIG
7979 preserve_env PKG_CONFIG_LIBDIR
7980 preserve_env PKG_CONFIG_PATH
7981 preserve_env PYTHON
7982 preserve_env SDL_CONFIG
7983 preserve_env SDL2_CONFIG
7984 preserve_env SMBD
7985 preserve_env STRIP
7986 preserve_env WINDRES
7987
7988 printf "exec" >>config.status
7989 printf " '%s'" "$0" "$@" >>config.status
7990 echo ' "$@"' >>config.status
7991 chmod +x config.status
7992
7993 rm -r "$TMPDIR1"