configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(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_ppc="powerpc-linux-gnu-gcc"
 506 cross_cc_cflags_ppc="-m32"
 507 cross_cc_ppc64="powerpc-linux-gnu-gcc"
 508 cross_cc_cflags_ppc64="-m64"
 509 cross_cc_ppc64le="powerpc64le-linux-gnu-gcc"
 510
 511 enabled_cross_compilers=""
 512
 513 supported_cpu="no"
 514 supported_os="no"
 515 bogus_os="no"
 516 malloc_trim=""
 517
 518 # parse CC options first
 519 for opt do
 520   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 521   case "$opt" in
 522   --cross-prefix=*) cross_prefix="$optarg"
 523   ;;
 524   --cc=*) CC="$optarg"
 525   ;;
 526   --cxx=*) CXX="$optarg"
 527   ;;
 528   --cpu=*) cpu="$optarg"
 529   ;;
 530   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 531   ;;
 532   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 533   ;;
 534   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 535                      EXTRA_LDFLAGS="$optarg"
 536   ;;
 537   --enable-debug-info) debug_info="yes"
 538   ;;
 539   --disable-debug-info) debug_info="no"
 540   ;;
 541   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 542   ;;
 543   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 544                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 545   ;;
 546   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 547                 eval "cross_cc_${cc_arch}=\$optarg"
 548   ;;
 549   esac
 550 done
 551 # OS specific
 552 # Using uname is really, really broken.  Once we have the right set of checks
 553 # we can eliminate its usage altogether.
 554
 555 # Preferred compiler:
 556 #  ${CC} (if set)
 557 #  ${cross_prefix}gcc (if cross-prefix specified)
 558 #  system compiler
 559 if test -z "${CC}${cross_prefix}"; then
 560   cc="$host_cc"
 561 else
 562   cc="${CC-${cross_prefix}gcc}"
 563 fi
 564
 565 if test -z "${CXX}${cross_prefix}"; then
 566   cxx="c++"
 567 else
 568   cxx="${CXX-${cross_prefix}g++}"
 569 fi
 570
 571 ar="${AR-${cross_prefix}ar}"
 572 as="${AS-${cross_prefix}as}"
 573 ccas="${CCAS-$cc}"
 574 cpp="${CPP-$cc -E}"
 575 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 576 ld="${LD-${cross_prefix}ld}"
 577 ranlib="${RANLIB-${cross_prefix}ranlib}"
 578 nm="${NM-${cross_prefix}nm}"
 579 strip="${STRIP-${cross_prefix}strip}"
 580 windres="${WINDRES-${cross_prefix}windres}"
 581 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 582 query_pkg_config() {
 583     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 584 }
 585 pkg_config=query_pkg_config
 586 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 587
 588 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 589 ARFLAGS="${ARFLAGS-rv}"
 590
 591 # default flags for all hosts
 592 # We use -fwrapv to tell the compiler that we require a C dialect where
 593 # left shift of signed integers is well defined and has the expected
 594 # 2s-complement style results. (Both clang and gcc agree that it
 595 # provides these semantics.)
 596 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 597 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 598 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 599 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 600 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 601 if test "$debug_info" = "yes"; then
 602     CFLAGS="-g $CFLAGS"
 603     LDFLAGS="-g $LDFLAGS"
 604 fi
 605
 606 # running configure in the source tree?
 607 # we know that's the case if configure is there.
 608 if test -f "./configure"; then
 609     pwd_is_source_path="y"
 610 else
 611     pwd_is_source_path="n"
 612 fi
 613
 614 check_define() {
 615 cat > $TMPC <<EOF
 616 #if !defined($1)
 617 #error $1 not defined
 618 #endif
 619 int main(void) { return 0; }
 620 EOF
 621   compile_object
 622 }
 623
 624 check_include() {
 625 cat > $TMPC <<EOF
 626 #include <$1>
 627 int main(void) { return 0; }
 628 EOF
 629   compile_object
 630 }
 631
 632 write_c_skeleton() {
 633     cat > $TMPC <<EOF
 634 int main(void) { return 0; }
 635 EOF
 636 }
 637
 638 if check_define __linux__ ; then
 639   targetos="Linux"
 640 elif check_define _WIN32 ; then
 641   targetos='MINGW32'
 642 elif check_define __OpenBSD__ ; then
 643   targetos='OpenBSD'
 644 elif check_define __sun__ ; then
 645   targetos='SunOS'
 646 elif check_define __HAIKU__ ; then
 647   targetos='Haiku'
 648 elif check_define __FreeBSD__ ; then
 649   targetos='FreeBSD'
 650 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 651   targetos='GNU/kFreeBSD'
 652 elif check_define __DragonFly__ ; then
 653   targetos='DragonFly'
 654 elif check_define __NetBSD__; then
 655   targetos='NetBSD'
 656 elif check_define __APPLE__; then
 657   targetos='Darwin'
 658 else
 659   # This is a fatal error, but don't report it yet, because we
 660   # might be going to just print the --help text, or it might
 661   # be the result of a missing compiler.
 662   targetos='bogus'
 663   bogus_os='yes'
 664 fi
 665
 666 # Some host OSes need non-standard checks for which CPU to use.
 667 # Note that these checks are broken for cross-compilation: if you're
 668 # cross-compiling to one of these OSes then you'll need to specify
 669 # the correct CPU with the --cpu option.
 670 case $targetos in
 671 Darwin)
 672   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 673   # run 64-bit userspace code.
 674   # If the user didn't specify a CPU explicitly and the kernel says this is
 675   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 676   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 677     cpu="x86_64"
 678   fi
 679   ;;
 680 SunOS)
 681   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 682   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 683     cpu="x86_64"
 684   fi
 685 esac
 686
 687 if test ! -z "$cpu" ; then
 688   # command line argument
 689   :
 690 elif check_define __i386__ ; then
 691   cpu="i386"
 692 elif check_define __x86_64__ ; then
 693   if check_define __ILP32__ ; then
 694     cpu="x32"
 695   else
 696     cpu="x86_64"
 697   fi
 698 elif check_define __sparc__ ; then
 699   if check_define __arch64__ ; then
 700     cpu="sparc64"
 701   else
 702     cpu="sparc"
 703   fi
 704 elif check_define _ARCH_PPC ; then
 705   if check_define _ARCH_PPC64 ; then
 706     if check_define _LITTLE_ENDIAN ; then
 707       cpu="ppc64le"
 708     else
 709       cpu="ppc64"
 710     fi
 711   else
 712     cpu="ppc"
 713   fi
 714 elif check_define __mips__ ; then
 715   cpu="mips"
 716 elif check_define __s390__ ; then
 717   if check_define __s390x__ ; then
 718     cpu="s390x"
 719   else
 720     cpu="s390"
 721   fi
 722 elif check_define __riscv ; then
 723   if check_define _LP64 ; then
 724     cpu="riscv64"
 725   else
 726     cpu="riscv32"
 727   fi
 728 elif check_define __arm__ ; then
 729   cpu="arm"
 730 elif check_define __aarch64__ ; then
 731   cpu="aarch64"
 732 else
 733   cpu=$(uname -m)
 734 fi
 735
 736 ARCH=
 737 # Normalise host CPU name and set ARCH.
 738 # Note that this case should only have supported host CPUs, not guests.
 739 case "$cpu" in
 740   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 741     supported_cpu="yes"
 742     eval "cross_cc_${cpu}=\$host_cc"
 743   ;;
 744   ppc64le)
 745     ARCH="ppc64"
 746     supported_cpu="yes"
 747     cross_cc_ppc64le=$host_cc
 748   ;;
 749   i386|i486|i586|i686|i86pc|BePC)
 750     cpu="i386"
 751     supported_cpu="yes"
 752     cross_cc_i386=$host_cc
 753   ;;
 754   x86_64|amd64)
 755     cpu="x86_64"
 756     supported_cpu="yes"
 757     cross_cc_x86_64=$host_cc
 758   ;;
 759   armv*b|armv*l|arm)
 760     cpu="arm"
 761     supported_cpu="yes"
 762     cross_cc_arm=$host_cc
 763   ;;
 764   aarch64)
 765     cpu="aarch64"
 766     supported_cpu="yes"
 767     cross_cc_aarch64=$host_cc
 768   ;;
 769   mips*)
 770     cpu="mips"
 771     supported_cpu="yes"
 772     cross_cc_mips=$host_cc
 773   ;;
 774   sparc|sun4[cdmuv])
 775     cpu="sparc"
 776     supported_cpu="yes"
 777     cross_cc_sparc=$host_cc
 778   ;;
 779   *)
 780     # This will result in either an error or falling back to TCI later
 781     ARCH=unknown
 782   ;;
 783 esac
 784 if test -z "$ARCH"; then
 785   ARCH="$cpu"
 786 fi
 787
 788 # OS specific
 789
 790 # host *BSD for user mode
 791 HOST_VARIANT_DIR=""
 792
 793 case $targetos in
 794 MINGW32*)
 795   mingw32="yes"
 796   hax="yes"
 797   vhost_user="no"
 798   audio_possible_drivers="dsound sdl"
 799   if check_include dsound.h; then
 800     audio_drv_list="dsound"
 801   else
 802     audio_drv_list=""
 803   fi
 804   supported_os="yes"
 805 ;;
 806 GNU/kFreeBSD)
 807   bsd="yes"
 808   audio_drv_list="oss try-sdl"
 809   audio_possible_drivers="oss sdl pa"
 810 ;;
 811 FreeBSD)
 812   bsd="yes"
 813   make="${MAKE-gmake}"
 814   audio_drv_list="oss try-sdl"
 815   audio_possible_drivers="oss sdl pa"
 816   # needed for kinfo_getvmmap(3) in libutil.h
 817   LIBS="-lutil $LIBS"
 818   # needed for kinfo_getproc
 819   libs_qga="-lutil $libs_qga"
 820   netmap=""  # enable netmap autodetect
 821   HOST_VARIANT_DIR="freebsd"
 822   supported_os="yes"
 823 ;;
 824 DragonFly)
 825   bsd="yes"
 826   make="${MAKE-gmake}"
 827   audio_drv_list="oss try-sdl"
 828   audio_possible_drivers="oss sdl pa"
 829   HOST_VARIANT_DIR="dragonfly"
 830 ;;
 831 NetBSD)
 832   bsd="yes"
 833   hax="yes"
 834   make="${MAKE-gmake}"
 835   audio_drv_list="oss try-sdl"
 836   audio_possible_drivers="oss sdl"
 837   oss_lib="-lossaudio"
 838   HOST_VARIANT_DIR="netbsd"
 839   supported_os="yes"
 840 ;;
 841 OpenBSD)
 842   bsd="yes"
 843   make="${MAKE-gmake}"
 844   audio_drv_list="try-sdl"
 845   audio_possible_drivers="sdl"
 846   HOST_VARIANT_DIR="openbsd"
 847   supported_os="yes"
 848 ;;
 849 Darwin)
 850   bsd="yes"
 851   darwin="yes"
 852   hax="yes"
 853   hvf="yes"
 854   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 855   if [ "$cpu" = "x86_64" ] ; then
 856     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 857     LDFLAGS="-arch x86_64 $LDFLAGS"
 858   fi
 859   cocoa="yes"
 860   audio_drv_list="coreaudio try-sdl"
 861   audio_possible_drivers="coreaudio sdl"
 862   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 863   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 864   # Disable attempts to use ObjectiveC features in os/object.h since they
 865   # won't work when we're compiling with gcc as a C compiler.
 866   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 867   HOST_VARIANT_DIR="darwin"
 868   supported_os="yes"
 869 ;;
 870 SunOS)
 871   solaris="yes"
 872   make="${MAKE-gmake}"
 873   install="${INSTALL-ginstall}"
 874   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 875   if test -f /usr/include/sys/soundcard.h ; then
 876     audio_drv_list="oss try-sdl"
 877   fi
 878   audio_possible_drivers="oss sdl"
 879 # needed for CMSG_ macros in sys/socket.h
 880   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 881 # needed for TIOCWIN* defines in termios.h
 882   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 883   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 884   solarisnetlibs="-lsocket -lnsl -lresolv"
 885   LIBS="$solarisnetlibs $LIBS"
 886   libs_qga="$solarisnetlibs $libs_qga"
 887 ;;
 888 Haiku)
 889   haiku="yes"
 890   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 891   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 892 ;;
 893 Linux)
 894   audio_drv_list="try-pa oss"
 895   audio_possible_drivers="oss alsa sdl pa"
 896   linux="yes"
 897   linux_user="yes"
 898   kvm="yes"
 899   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 900   supported_os="yes"
 901   libudev="yes"
 902 ;;
 903 esac
 904
 905 if [ "$bsd" = "yes" ] ; then
 906   if [ "$darwin" != "yes" ] ; then
 907     bsd_user="yes"
 908   fi
 909 fi
 910
 911 : ${make=${MAKE-make}}
 912 : ${install=${INSTALL-install}}
 913 # We prefer python 3.x. A bare 'python' is traditionally
 914 # python 2.x, but some distros have it as python 3.x, so
 915 # we check that before python2
 916 python=
 917 for binary in "${PYTHON-python3}" python python2
 918 do
 919     if has "$binary"
 920     then
 921         python="$binary"
 922         break
 923     fi
 924 done
 925 : ${smbd=${SMBD-/usr/sbin/smbd}}
 926
 927 # Default objcc to clang if available, otherwise use CC
 928 if has clang; then
 929   objcc=clang
 930 else
 931   objcc="$cc"
 932 fi
 933
 934 if test "$mingw32" = "yes" ; then
 935   EXESUF=".exe"
 936   DSOSUF=".dll"
 937   # MinGW needs -mthreads for TLS and macro _MT.
 938   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 939   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 940   write_c_skeleton;
 941   if compile_prog "" "-liberty" ; then
 942     LIBS="-liberty $LIBS"
 943   fi
 944   prefix="c:/Program Files/QEMU"
 945   mandir="\${prefix}"
 946   datadir="\${prefix}"
 947   qemu_docdir="\${prefix}"
 948   bindir="\${prefix}"
 949   sysconfdir="\${prefix}"
 950   local_statedir=
 951   confsuffix=""
 952   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 953 fi
 954
 955 werror=""
 956
 957 for opt do
 958   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 959   case "$opt" in
 960   --help|-h) show_help=yes
 961   ;;
 962   --version|-V) exec cat $source_path/VERSION
 963   ;;
 964   --prefix=*) prefix="$optarg"
 965   ;;
 966   --interp-prefix=*) interp_prefix="$optarg"
 967   ;;
 968   --cross-prefix=*)
 969   ;;
 970   --cc=*)
 971   ;;
 972   --host-cc=*) host_cc="$optarg"
 973   ;;
 974   --cxx=*)
 975   ;;
 976   --iasl=*) iasl="$optarg"
 977   ;;
 978   --objcc=*) objcc="$optarg"
 979   ;;
 980   --make=*) make="$optarg"
 981   ;;
 982   --install=*) install="$optarg"
 983   ;;
 984   --python=*) python="$optarg"
 985   ;;
 986   --gcov=*) gcov_tool="$optarg"
 987   ;;
 988   --smbd=*) smbd="$optarg"
 989   ;;
 990   --extra-cflags=*)
 991   ;;
 992   --extra-cxxflags=*)
 993   ;;
 994   --extra-ldflags=*)
 995   ;;
 996   --enable-debug-info)
 997   ;;
 998   --disable-debug-info)
 999   ;;
1000   --cross-cc-*)
1001   ;;
1002   --enable-modules)
1003       modules="yes"
1004   ;;
1005   --disable-modules)
1006       modules="no"
1007   ;;
1008   --cpu=*)
1009   ;;
1010   --target-list=*) target_list="$optarg"
1011                    if test "$target_list_exclude"; then
1012                        error_exit "Can't mix --target-list with --target-list-exclude"
1013                    fi
1014   ;;
1015   --target-list-exclude=*) target_list_exclude="$optarg"
1016                    if test "$target_list"; then
1017                        error_exit "Can't mix --target-list-exclude with --target-list"
1018                    fi
1019   ;;
1020   --enable-trace-backends=*) trace_backends="$optarg"
1021   ;;
1022   # XXX: backwards compatibility
1023   --enable-trace-backend=*) trace_backends="$optarg"
1024   ;;
1025   --with-trace-file=*) trace_file="$optarg"
1026   ;;
1027   --with-default-devices) default_devices="yes"
1028   ;;
1029   --without-default-devices) default_devices="no"
1030   ;;
1031   --enable-gprof) gprof="yes"
1032   ;;
1033   --enable-gcov) gcov="yes"
1034   ;;
1035   --static)
1036     static="yes"
1037     LDFLAGS="-static $LDFLAGS"
1038     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1039   ;;
1040   --mandir=*) mandir="$optarg"
1041   ;;
1042   --bindir=*) bindir="$optarg"
1043   ;;
1044   --libdir=*) libdir="$optarg"
1045   ;;
1046   --libexecdir=*) libexecdir="$optarg"
1047   ;;
1048   --includedir=*) includedir="$optarg"
1049   ;;
1050   --datadir=*) datadir="$optarg"
1051   ;;
1052   --with-confsuffix=*) confsuffix="$optarg"
1053   ;;
1054   --docdir=*) qemu_docdir="$optarg"
1055   ;;
1056   --sysconfdir=*) sysconfdir="$optarg"
1057   ;;
1058   --localstatedir=*) local_statedir="$optarg"
1059   ;;
1060   --firmwarepath=*) firmwarepath="$optarg"
1061   ;;
1062   --host=*|--build=*|\
1063   --disable-dependency-tracking|\
1064   --sbindir=*|--sharedstatedir=*|\
1065   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1066   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1067     # These switches are silently ignored, for compatibility with
1068     # autoconf-generated configure scripts. This allows QEMU's
1069     # configure to be used by RPM and similar macros that set
1070     # lots of directory switches by default.
1071   ;;
1072   --disable-sdl) sdl="no"
1073   ;;
1074   --enable-sdl) sdl="yes"
1075   ;;
1076   --disable-sdl-image) sdl_image="no"
1077   ;;
1078   --enable-sdl-image) sdl_image="yes"
1079   ;;
1080   --disable-qom-cast-debug) qom_cast_debug="no"
1081   ;;
1082   --enable-qom-cast-debug) qom_cast_debug="yes"
1083   ;;
1084   --disable-virtfs) virtfs="no"
1085   ;;
1086   --enable-virtfs) virtfs="yes"
1087   ;;
1088   --disable-mpath) mpath="no"
1089   ;;
1090   --enable-mpath) mpath="yes"
1091   ;;
1092   --disable-vnc) vnc="no"
1093   ;;
1094   --enable-vnc) vnc="yes"
1095   ;;
1096   --oss-lib=*) oss_lib="$optarg"
1097   ;;
1098   --audio-drv-list=*) audio_drv_list="$optarg"
1099   ;;
1100   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1101   ;;
1102   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1103   ;;
1104   --enable-debug-tcg) debug_tcg="yes"
1105   ;;
1106   --disable-debug-tcg) debug_tcg="no"
1107   ;;
1108   --enable-debug)
1109       # Enable debugging options that aren't excessively noisy
1110       debug_tcg="yes"
1111       debug_mutex="yes"
1112       debug="yes"
1113       strip_opt="no"
1114       fortify_source="no"
1115   ;;
1116   --enable-sanitizers) sanitizers="yes"
1117   ;;
1118   --disable-sanitizers) sanitizers="no"
1119   ;;
1120   --enable-sparse) sparse="yes"
1121   ;;
1122   --disable-sparse) sparse="no"
1123   ;;
1124   --disable-strip) strip_opt="no"
1125   ;;
1126   --disable-vnc-sasl) vnc_sasl="no"
1127   ;;
1128   --enable-vnc-sasl) vnc_sasl="yes"
1129   ;;
1130   --disable-vnc-jpeg) vnc_jpeg="no"
1131   ;;
1132   --enable-vnc-jpeg) vnc_jpeg="yes"
1133   ;;
1134   --disable-vnc-png) vnc_png="no"
1135   ;;
1136   --enable-vnc-png) vnc_png="yes"
1137   ;;
1138   --disable-slirp) slirp="no"
1139   ;;
1140   --enable-slirp=git) slirp="git"
1141   ;;
1142   --enable-slirp=system) slirp="system"
1143   ;;
1144   --disable-vde) vde="no"
1145   ;;
1146   --enable-vde) vde="yes"
1147   ;;
1148   --disable-netmap) netmap="no"
1149   ;;
1150   --enable-netmap) netmap="yes"
1151   ;;
1152   --disable-xen) xen="no"
1153   ;;
1154   --enable-xen) xen="yes"
1155   ;;
1156   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1157   ;;
1158   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1159   ;;
1160   --disable-brlapi) brlapi="no"
1161   ;;
1162   --enable-brlapi) brlapi="yes"
1163   ;;
1164   --disable-bluez) bluez="no"
1165   ;;
1166   --enable-bluez) bluez="yes"
1167   ;;
1168   --disable-kvm) kvm="no"
1169   ;;
1170   --enable-kvm) kvm="yes"
1171   ;;
1172   --disable-hax) hax="no"
1173   ;;
1174   --enable-hax) hax="yes"
1175   ;;
1176   --disable-hvf) hvf="no"
1177   ;;
1178   --enable-hvf) hvf="yes"
1179   ;;
1180   --disable-whpx) whpx="no"
1181   ;;
1182   --enable-whpx) whpx="yes"
1183   ;;
1184   --disable-tcg-interpreter) tcg_interpreter="no"
1185   ;;
1186   --enable-tcg-interpreter) tcg_interpreter="yes"
1187   ;;
1188   --disable-cap-ng)  cap_ng="no"
1189   ;;
1190   --enable-cap-ng) cap_ng="yes"
1191   ;;
1192   --disable-tcg) tcg="no"
1193   ;;
1194   --enable-tcg) tcg="yes"
1195   ;;
1196   --disable-malloc-trim) malloc_trim="no"
1197   ;;
1198   --enable-malloc-trim) malloc_trim="yes"
1199   ;;
1200   --disable-spice) spice="no"
1201   ;;
1202   --enable-spice) spice="yes"
1203   ;;
1204   --disable-libiscsi) libiscsi="no"
1205   ;;
1206   --enable-libiscsi) libiscsi="yes"
1207   ;;
1208   --disable-libnfs) libnfs="no"
1209   ;;
1210   --enable-libnfs) libnfs="yes"
1211   ;;
1212   --enable-profiler) profiler="yes"
1213   ;;
1214   --disable-cocoa) cocoa="no"
1215   ;;
1216   --enable-cocoa)
1217       cocoa="yes" ;
1218       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1219   ;;
1220   --disable-system) softmmu="no"
1221   ;;
1222   --enable-system) softmmu="yes"
1223   ;;
1224   --disable-user)
1225       linux_user="no" ;
1226       bsd_user="no" ;
1227   ;;
1228   --enable-user) ;;
1229   --disable-linux-user) linux_user="no"
1230   ;;
1231   --enable-linux-user) linux_user="yes"
1232   ;;
1233   --disable-bsd-user) bsd_user="no"
1234   ;;
1235   --enable-bsd-user) bsd_user="yes"
1236   ;;
1237   --enable-pie) pie="yes"
1238   ;;
1239   --disable-pie) pie="no"
1240   ;;
1241   --enable-werror) werror="yes"
1242   ;;
1243   --disable-werror) werror="no"
1244   ;;
1245   --enable-stack-protector) stack_protector="yes"
1246   ;;
1247   --disable-stack-protector) stack_protector="no"
1248   ;;
1249   --disable-curses) curses="no"
1250   ;;
1251   --enable-curses) curses="yes"
1252   ;;
1253   --disable-iconv) iconv="no"
1254   ;;
1255   --enable-iconv) iconv="yes"
1256   ;;
1257   --disable-curl) curl="no"
1258   ;;
1259   --enable-curl) curl="yes"
1260   ;;
1261   --disable-fdt) fdt="no"
1262   ;;
1263   --enable-fdt) fdt="yes"
1264   ;;
1265   --disable-linux-aio) linux_aio="no"
1266   ;;
1267   --enable-linux-aio) linux_aio="yes"
1268   ;;
1269   --disable-attr) attr="no"
1270   ;;
1271   --enable-attr) attr="yes"
1272   ;;
1273   --disable-membarrier) membarrier="no"
1274   ;;
1275   --enable-membarrier) membarrier="yes"
1276   ;;
1277   --disable-blobs) blobs="no"
1278   ;;
1279   --with-pkgversion=*) pkgversion="$optarg"
1280   ;;
1281   --with-coroutine=*) coroutine="$optarg"
1282   ;;
1283   --disable-coroutine-pool) coroutine_pool="no"
1284   ;;
1285   --enable-coroutine-pool) coroutine_pool="yes"
1286   ;;
1287   --enable-debug-stack-usage) debug_stack_usage="yes"
1288   ;;
1289   --enable-crypto-afalg) crypto_afalg="yes"
1290   ;;
1291   --disable-crypto-afalg) crypto_afalg="no"
1292   ;;
1293   --disable-docs) docs="no"
1294   ;;
1295   --enable-docs) docs="yes"
1296   ;;
1297   --disable-vhost-net) vhost_net="no"
1298   ;;
1299   --enable-vhost-net) vhost_net="yes"
1300   ;;
1301   --disable-vhost-crypto) vhost_crypto="no"
1302   ;;
1303   --enable-vhost-crypto) vhost_crypto="yes"
1304   ;;
1305   --disable-vhost-scsi) vhost_scsi="no"
1306   ;;
1307   --enable-vhost-scsi) vhost_scsi="yes"
1308   ;;
1309   --disable-vhost-vsock) vhost_vsock="no"
1310   ;;
1311   --enable-vhost-vsock) vhost_vsock="yes"
1312   ;;
1313   --disable-opengl) opengl="no"
1314   ;;
1315   --enable-opengl) opengl="yes"
1316   ;;
1317   --disable-rbd) rbd="no"
1318   ;;
1319   --enable-rbd) rbd="yes"
1320   ;;
1321   --disable-xfsctl) xfs="no"
1322   ;;
1323   --enable-xfsctl) xfs="yes"
1324   ;;
1325   --disable-smartcard) smartcard="no"
1326   ;;
1327   --enable-smartcard) smartcard="yes"
1328   ;;
1329   --disable-libusb) libusb="no"
1330   ;;
1331   --enable-libusb) libusb="yes"
1332   ;;
1333   --disable-usb-redir) usb_redir="no"
1334   ;;
1335   --enable-usb-redir) usb_redir="yes"
1336   ;;
1337   --disable-zlib-test) zlib="no"
1338   ;;
1339   --disable-lzo) lzo="no"
1340   ;;
1341   --enable-lzo) lzo="yes"
1342   ;;
1343   --disable-snappy) snappy="no"
1344   ;;
1345   --enable-snappy) snappy="yes"
1346   ;;
1347   --disable-bzip2) bzip2="no"
1348   ;;
1349   --enable-bzip2) bzip2="yes"
1350   ;;
1351   --enable-lzfse) lzfse="yes"
1352   ;;
1353   --disable-lzfse) lzfse="no"
1354   ;;
1355   --enable-guest-agent) guest_agent="yes"
1356   ;;
1357   --disable-guest-agent) guest_agent="no"
1358   ;;
1359   --enable-guest-agent-msi) guest_agent_msi="yes"
1360   ;;
1361   --disable-guest-agent-msi) guest_agent_msi="no"
1362   ;;
1363   --with-vss-sdk) vss_win32_sdk=""
1364   ;;
1365   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1366   ;;
1367   --without-vss-sdk) vss_win32_sdk="no"
1368   ;;
1369   --with-win-sdk) win_sdk=""
1370   ;;
1371   --with-win-sdk=*) win_sdk="$optarg"
1372   ;;
1373   --without-win-sdk) win_sdk="no"
1374   ;;
1375   --enable-tools) want_tools="yes"
1376   ;;
1377   --disable-tools) want_tools="no"
1378   ;;
1379   --enable-seccomp) seccomp="yes"
1380   ;;
1381   --disable-seccomp) seccomp="no"
1382   ;;
1383   --disable-glusterfs) glusterfs="no"
1384   ;;
1385   --disable-avx2) avx2_opt="no"
1386   ;;
1387   --enable-avx2) avx2_opt="yes"
1388   ;;
1389   --enable-glusterfs) glusterfs="yes"
1390   ;;
1391   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1392       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1393   ;;
1394   --enable-vhdx|--disable-vhdx)
1395       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1396   ;;
1397   --enable-uuid|--disable-uuid)
1398       echo "$0: $opt is obsolete, UUID support is always built" >&2
1399   ;;
1400   --disable-gtk) gtk="no"
1401   ;;
1402   --enable-gtk) gtk="yes"
1403   ;;
1404   --tls-priority=*) tls_priority="$optarg"
1405   ;;
1406   --disable-gnutls) gnutls="no"
1407   ;;
1408   --enable-gnutls) gnutls="yes"
1409   ;;
1410   --disable-nettle) nettle="no"
1411   ;;
1412   --enable-nettle) nettle="yes"
1413   ;;
1414   --disable-gcrypt) gcrypt="no"
1415   ;;
1416   --enable-gcrypt) gcrypt="yes"
1417   ;;
1418   --disable-auth-pam) auth_pam="no"
1419   ;;
1420   --enable-auth-pam) auth_pam="yes"
1421   ;;
1422   --enable-rdma) rdma="yes"
1423   ;;
1424   --disable-rdma) rdma="no"
1425   ;;
1426   --enable-pvrdma) pvrdma="yes"
1427   ;;
1428   --disable-pvrdma) pvrdma="no"
1429   ;;
1430   --disable-vte) vte="no"
1431   ;;
1432   --enable-vte) vte="yes"
1433   ;;
1434   --disable-virglrenderer) virglrenderer="no"
1435   ;;
1436   --enable-virglrenderer) virglrenderer="yes"
1437   ;;
1438   --disable-tpm) tpm="no"
1439   ;;
1440   --enable-tpm) tpm="yes"
1441   ;;
1442   --disable-libssh2) libssh2="no"
1443   ;;
1444   --enable-libssh2) libssh2="yes"
1445   ;;
1446   --disable-live-block-migration) live_block_migration="no"
1447   ;;
1448   --enable-live-block-migration) live_block_migration="yes"
1449   ;;
1450   --disable-numa) numa="no"
1451   ;;
1452   --enable-numa) numa="yes"
1453   ;;
1454   --disable-libxml2) libxml2="no"
1455   ;;
1456   --enable-libxml2) libxml2="yes"
1457   ;;
1458   --disable-tcmalloc) tcmalloc="no"
1459   ;;
1460   --enable-tcmalloc) tcmalloc="yes"
1461   ;;
1462   --disable-jemalloc) jemalloc="no"
1463   ;;
1464   --enable-jemalloc) jemalloc="yes"
1465   ;;
1466   --disable-replication) replication="no"
1467   ;;
1468   --enable-replication) replication="yes"
1469   ;;
1470   --disable-vxhs) vxhs="no"
1471   ;;
1472   --enable-vxhs) vxhs="yes"
1473   ;;
1474   --disable-bochs) bochs="no"
1475   ;;
1476   --enable-bochs) bochs="yes"
1477   ;;
1478   --disable-cloop) cloop="no"
1479   ;;
1480   --enable-cloop) cloop="yes"
1481   ;;
1482   --disable-dmg) dmg="no"
1483   ;;
1484   --enable-dmg) dmg="yes"
1485   ;;
1486   --disable-qcow1) qcow1="no"
1487   ;;
1488   --enable-qcow1) qcow1="yes"
1489   ;;
1490   --disable-vdi) vdi="no"
1491   ;;
1492   --enable-vdi) vdi="yes"
1493   ;;
1494   --disable-vvfat) vvfat="no"
1495   ;;
1496   --enable-vvfat) vvfat="yes"
1497   ;;
1498   --disable-qed) qed="no"
1499   ;;
1500   --enable-qed) qed="yes"
1501   ;;
1502   --disable-parallels) parallels="no"
1503   ;;
1504   --enable-parallels) parallels="yes"
1505   ;;
1506   --disable-sheepdog) sheepdog="no"
1507   ;;
1508   --enable-sheepdog) sheepdog="yes"
1509   ;;
1510   --disable-vhost-user) vhost_user="no"
1511   ;;
1512   --enable-vhost-user) vhost_user="yes"
1513   ;;
1514   --disable-vhost-kernel) vhost_kernel="no"
1515   ;;
1516   --enable-vhost-kernel) vhost_kernel="yes"
1517   ;;
1518   --disable-capstone) capstone="no"
1519   ;;
1520   --enable-capstone) capstone="yes"
1521   ;;
1522   --enable-capstone=git) capstone="git"
1523   ;;
1524   --enable-capstone=system) capstone="system"
1525   ;;
1526   --with-git=*) git="$optarg"
1527   ;;
1528   --enable-git-update) git_update=yes
1529   ;;
1530   --disable-git-update) git_update=no
1531   ;;
1532   --enable-debug-mutex) debug_mutex=yes
1533   ;;
1534   --disable-debug-mutex) debug_mutex=no
1535   ;;
1536   --enable-libpmem) libpmem=yes
1537   ;;
1538   --disable-libpmem) libpmem=no
1539   ;;
1540   *)
1541       echo "ERROR: unknown option $opt"
1542       echo "Try '$0 --help' for more information"
1543       exit 1
1544   ;;
1545   esac
1546 done
1547
1548 case "$cpu" in
1549     ppc)
1550            CPU_CFLAGS="-m32"
1551            LDFLAGS="-m32 $LDFLAGS"
1552            cross_cc_ppc=$cc
1553            cross_cc_cflags_ppc="$CPU_CFLAGS"
1554            ;;
1555     ppc64)
1556            CPU_CFLAGS="-m64"
1557            LDFLAGS="-m64 $LDFLAGS"
1558            cross_cc_ppc64=$cc
1559            cross_cc_cflags_ppc64="$CPU_CFLAGS"
1560            ;;
1561     sparc)
1562            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1563            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1564            cross_cc_sparc=$cc
1565            cross_cc_cflags_sparc="$CPU_CFLAGS"
1566            ;;
1567     sparc64)
1568            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1569            LDFLAGS="-m64 $LDFLAGS"
1570            cross_cc_sparc64=$cc
1571            cross_cc_cflags_sparc64="$CPU_CFLAGS"
1572            ;;
1573     s390)
1574            CPU_CFLAGS="-m31"
1575            LDFLAGS="-m31 $LDFLAGS"
1576            cross_cc_s390=$cc
1577            cross_cc_cflags_s390="$CPU_CFLAGS"
1578            ;;
1579     s390x)
1580            CPU_CFLAGS="-m64"
1581            LDFLAGS="-m64 $LDFLAGS"
1582            cross_cc_s390x=$cc
1583            cross_cc_cflags_s390x="$CPU_CFLAGS"
1584            ;;
1585     i386)
1586            CPU_CFLAGS="-m32"
1587            LDFLAGS="-m32 $LDFLAGS"
1588            cross_cc_i386=$cc
1589            cross_cc_cflags_i386="$CPU_CFLAGS"
1590            ;;
1591     x86_64)
1592            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1593            # If we truly care, we should simply detect this case at
1594            # runtime and generate the fallback to serial emulation.
1595            CPU_CFLAGS="-m64 -mcx16"
1596            LDFLAGS="-m64 $LDFLAGS"
1597            cross_cc_x86_64=$cc
1598            cross_cc_cflags_x86_64="$CPU_CFLAGS"
1599            ;;
1600     x32)
1601            CPU_CFLAGS="-mx32"
1602            LDFLAGS="-mx32 $LDFLAGS"
1603            cross_cc_i386=$cc
1604            cross_cc_cflags_i386="$CPU_CFLAGS"
1605            ;;
1606     # No special flags required for other host CPUs
1607 esac
1608
1609 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1610
1611 # For user-mode emulation the host arch has to be one we explicitly
1612 # support, even if we're using TCI.
1613 if [ "$ARCH" = "unknown" ]; then
1614   bsd_user="no"
1615   linux_user="no"
1616 fi
1617
1618 default_target_list=""
1619
1620 mak_wilds=""
1621
1622 if [ "$softmmu" = "yes" ]; then
1623     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1624 fi
1625 if [ "$linux_user" = "yes" ]; then
1626     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1627 fi
1628 if [ "$bsd_user" = "yes" ]; then
1629     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1630 fi
1631
1632 if test -z "$target_list_exclude"; then
1633     for config in $mak_wilds; do
1634         default_target_list="${default_target_list} $(basename "$config" .mak)"
1635     done
1636 else
1637     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1638     for config in $mak_wilds; do
1639         target="$(basename "$config" .mak)"
1640         exclude="no"
1641         for excl in $exclude_list; do
1642             if test "$excl" = "$target"; then
1643                 exclude="yes"
1644                 break;
1645             fi
1646         done
1647         if test "$exclude" = "no"; then
1648             default_target_list="${default_target_list} $target"
1649         fi
1650     done
1651 fi
1652
1653 # Enumerate public trace backends for --help output
1654 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1655
1656 if test x"$show_help" = x"yes" ; then
1657 cat << EOF
1658
1659 Usage: configure [options]
1660 Options: [defaults in brackets after descriptions]
1661
1662 Standard options:
1663   --help                   print this message
1664   --prefix=PREFIX          install in PREFIX [$prefix]
1665   --interp-prefix=PREFIX   where to find shared libraries, etc.
1666                            use %M for cpu name [$interp_prefix]
1667   --target-list=LIST       set target list (default: build everything)
1668 $(echo Available targets: $default_target_list | \
1669   fold -s -w 53 | sed -e 's/^/                           /')
1670   --target-list-exclude=LIST exclude a set of targets from the default target-list
1671
1672 Advanced options (experts only):
1673   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1674   --cc=CC                  use C compiler CC [$cc]
1675   --iasl=IASL              use ACPI compiler IASL [$iasl]
1676   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1677                            build time
1678   --cxx=CXX                use C++ compiler CXX [$cxx]
1679   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1680   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1681   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1682   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1683   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1684   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1685   --make=MAKE              use specified make [$make]
1686   --install=INSTALL        use specified install [$install]
1687   --python=PYTHON          use specified python [$python]
1688   --smbd=SMBD              use specified smbd [$smbd]
1689   --with-git=GIT           use specified git [$git]
1690   --static                 enable static build [$static]
1691   --mandir=PATH            install man pages in PATH
1692   --datadir=PATH           install firmware in PATH$confsuffix
1693   --docdir=PATH            install documentation in PATH$confsuffix
1694   --bindir=PATH            install binaries in PATH
1695   --libdir=PATH            install libraries in PATH
1696   --libexecdir=PATH        install helper binaries in PATH
1697   --sysconfdir=PATH        install config in PATH$confsuffix
1698   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1699   --firmwarepath=PATH      search PATH for firmware files
1700   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1701   --with-pkgversion=VERS   use specified string as sub-version of the package
1702   --enable-debug           enable common debug build options
1703   --enable-sanitizers      enable default sanitizers
1704   --disable-strip          disable stripping binaries
1705   --disable-werror         disable compilation abort on warning
1706   --disable-stack-protector disable compiler-provided stack protection
1707   --audio-drv-list=LIST    set audio drivers list:
1708                            Available drivers: $audio_possible_drivers
1709   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1710   --block-drv-rw-whitelist=L
1711                            set block driver read-write whitelist
1712                            (affects only QEMU, not qemu-img)
1713   --block-drv-ro-whitelist=L
1714                            set block driver read-only whitelist
1715                            (affects only QEMU, not qemu-img)
1716   --enable-trace-backends=B Set trace backend
1717                            Available backends: $trace_backend_list
1718   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1719                            Default:trace-<pid>
1720   --disable-slirp          disable SLIRP userspace network connectivity
1721   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1722   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1723   --oss-lib                path to OSS library
1724   --cpu=CPU                Build for host CPU [$cpu]
1725   --with-coroutine=BACKEND coroutine backend. Supported options:
1726                            ucontext, sigaltstack, windows
1727   --enable-gcov            enable test coverage analysis with gcov
1728   --gcov=GCOV              use specified gcov [$gcov_tool]
1729   --disable-blobs          disable installing provided firmware blobs
1730   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1731   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1732   --tls-priority           default TLS protocol/cipher priority string
1733   --enable-gprof           QEMU profiling with gprof
1734   --enable-profiler        profiler support
1735   --enable-debug-stack-usage
1736                            track the maximum stack usage of stacks created by qemu_alloc_stack
1737
1738 Optional features, enabled with --enable-FEATURE and
1739 disabled with --disable-FEATURE, default is enabled if available:
1740
1741   system          all system emulation targets
1742   user            supported user emulation targets
1743   linux-user      all linux usermode emulation targets
1744   bsd-user        all BSD usermode emulation targets
1745   docs            build documentation
1746   guest-agent     build the QEMU Guest Agent
1747   guest-agent-msi build guest agent Windows MSI installation package
1748   pie             Position Independent Executables
1749   modules         modules support
1750   debug-tcg       TCG debugging (default is disabled)
1751   debug-info      debugging information
1752   sparse          sparse checker
1753
1754   gnutls          GNUTLS cryptography support
1755   nettle          nettle cryptography support
1756   gcrypt          libgcrypt cryptography support
1757   auth-pam        PAM access control
1758   sdl             SDL UI
1759   sdl-image       SDL Image support for icons
1760   gtk             gtk UI
1761   vte             vte support for the gtk UI
1762   curses          curses UI
1763   iconv           font glyph conversion support
1764   vnc             VNC UI support
1765   vnc-sasl        SASL encryption for VNC server
1766   vnc-jpeg        JPEG lossy compression for VNC server
1767   vnc-png         PNG compression for VNC server
1768   cocoa           Cocoa UI (Mac OS X only)
1769   virtfs          VirtFS
1770   mpath           Multipath persistent reservation passthrough
1771   xen             xen backend driver support
1772   xen-pci-passthrough    PCI passthrough support for Xen
1773   brlapi          BrlAPI (Braile)
1774   curl            curl connectivity
1775   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1776   fdt             fdt device tree
1777   bluez           bluez stack connectivity
1778   kvm             KVM acceleration support
1779   hax             HAX acceleration support
1780   hvf             Hypervisor.framework acceleration support
1781   whpx            Windows Hypervisor Platform acceleration support
1782   rdma            Enable RDMA-based migration
1783   pvrdma          Enable PVRDMA support
1784   vde             support for vde network
1785   netmap          support for netmap network
1786   linux-aio       Linux AIO support
1787   cap-ng          libcap-ng support
1788   attr            attr and xattr support
1789   vhost-net       vhost-net kernel acceleration support
1790   vhost-vsock     virtio sockets device support
1791   vhost-scsi      vhost-scsi kernel target support
1792   vhost-crypto    vhost-user-crypto backend support
1793   vhost-kernel    vhost kernel backend support
1794   vhost-user      vhost-user backend support
1795   spice           spice
1796   rbd             rados block device (rbd)
1797   libiscsi        iscsi support
1798   libnfs          nfs support
1799   smartcard       smartcard support (libcacard)
1800   libusb          libusb (for usb passthrough)
1801   live-block-migration   Block migration in the main migration stream
1802   usb-redir       usb network redirection support
1803   lzo             support of lzo compression library
1804   snappy          support of snappy compression library
1805   bzip2           support of bzip2 compression library
1806                   (for reading bzip2-compressed dmg images)
1807   lzfse           support of lzfse compression library
1808                   (for reading lzfse-compressed dmg images)
1809   seccomp         seccomp support
1810   coroutine-pool  coroutine freelist (better performance)
1811   glusterfs       GlusterFS backend
1812   tpm             TPM support
1813   libssh2         ssh block device support
1814   numa            libnuma support
1815   libxml2         for Parallels image format
1816   tcmalloc        tcmalloc support
1817   jemalloc        jemalloc support
1818   avx2            AVX2 optimization support
1819   replication     replication support
1820   opengl          opengl support
1821   virglrenderer   virgl rendering support
1822   xfsctl          xfsctl support
1823   qom-cast-debug  cast debugging support
1824   tools           build qemu-io, qemu-nbd and qemu-img tools
1825   vxhs            Veritas HyperScale vDisk backend support
1826   bochs           bochs image format support
1827   cloop           cloop image format support
1828   dmg             dmg image format support
1829   qcow1           qcow v1 image format support
1830   vdi             vdi image format support
1831   vvfat           vvfat image format support
1832   qed             qed image format support
1833   parallels       parallels image format support
1834   sheepdog        sheepdog block driver support
1835   crypto-afalg    Linux AF_ALG crypto backend driver
1836   capstone        capstone disassembler support
1837   debug-mutex     mutex debugging support
1838   libpmem         libpmem support
1839
1840 NOTE: The object files are built at the place where configure is launched
1841 EOF
1842 exit 0
1843 fi
1844
1845 # Remove old dependency files to make sure that they get properly regenerated
1846 rm -f */config-devices.mak.d
1847
1848 if test -z "$python"
1849 then
1850     error_exit "Python not found. Use --python=/path/to/python"
1851 fi
1852
1853 # Note that if the Python conditional here evaluates True we will exit
1854 # with status 1 which is a shell 'false' value.
1855 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1856   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1857       "Use --python=/path/to/python to specify a supported Python."
1858 fi
1859
1860 # Preserve python version since some functionality is dependent on it
1861 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1862
1863 # Suppress writing compiled files
1864 python="$python -B"
1865
1866 # Check that the C compiler works. Doing this here before testing
1867 # the host CPU ensures that we had a valid CC to autodetect the
1868 # $cpu var (and we should bail right here if that's not the case).
1869 # It also allows the help message to be printed without a CC.
1870 write_c_skeleton;
1871 if compile_object ; then
1872   : C compiler works ok
1873 else
1874     error_exit "\"$cc\" either does not exist or does not work"
1875 fi
1876 if ! compile_prog ; then
1877     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1878 fi
1879
1880 # Now we have handled --enable-tcg-interpreter and know we're not just
1881 # printing the help message, bail out if the host CPU isn't supported.
1882 if test "$ARCH" = "unknown"; then
1883     if test "$tcg_interpreter" = "yes" ; then
1884         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1885     else
1886         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1887     fi
1888 fi
1889
1890 # Consult white-list to determine whether to enable werror
1891 # by default.  Only enable by default for git builds
1892 if test -z "$werror" ; then
1893     if test -e "$source_path/.git" && \
1894         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1895         werror="yes"
1896     else
1897         werror="no"
1898     fi
1899 fi
1900
1901 if test "$bogus_os" = "yes"; then
1902     # Now that we know that we're not printing the help and that
1903     # the compiler works (so the results of the check_defines we used
1904     # to identify the OS are reliable), if we didn't recognize the
1905     # host OS we should stop now.
1906     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1907 fi
1908
1909 # Check whether the compiler matches our minimum requirements:
1910 cat > $TMPC << EOF
1911 #if defined(__clang_major__) && defined(__clang_minor__)
1912 # ifdef __apple_build_version__
1913 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1914 #   error You need at least XCode Clang v5.1 to compile QEMU
1915 #  endif
1916 # else
1917 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1918 #   error You need at least Clang v3.4 to compile QEMU
1919 #  endif
1920 # endif
1921 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1922 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1923 #  error You need at least GCC v4.8 to compile QEMU
1924 # endif
1925 #else
1926 # error You either need GCC or Clang to compiler QEMU
1927 #endif
1928 int main (void) { return 0; }
1929 EOF
1930 if ! compile_prog "" "" ; then
1931     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1932 fi
1933
1934 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1935 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1936 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1937 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1938 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1939 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1940 # Note that we do not add -Werror to gcc_flags here, because that would
1941 # enable it for all configure tests. If a configure test failed due
1942 # to -Werror this would just silently disable some features,
1943 # so it's too error prone.
1944
1945 cc_has_warning_flag() {
1946     write_c_skeleton;
1947
1948     # Use the positive sense of the flag when testing for -Wno-wombat
1949     # support (gcc will happily accept the -Wno- form of unknown
1950     # warning options).
1951     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1952     compile_prog "-Werror $optflag" ""
1953 }
1954
1955 for flag in $gcc_flags; do
1956     if cc_has_warning_flag $flag ; then
1957         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1958     fi
1959 done
1960
1961 if test "$stack_protector" != "no"; then
1962   cat > $TMPC << EOF
1963 int main(int argc, char *argv[])
1964 {
1965     char arr[64], *p = arr, *c = argv[0];
1966     while (*c) {
1967         *p++ = *c++;
1968     }
1969     return 0;
1970 }
1971 EOF
1972   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1973   sp_on=0
1974   for flag in $gcc_flags; do
1975     # We need to check both a compile and a link, since some compiler
1976     # setups fail only on a .c->.o compile and some only at link time
1977     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1978        compile_prog "-Werror $flag" ""; then
1979       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1980       sp_on=1
1981       break
1982     fi
1983   done
1984   if test "$stack_protector" = yes; then
1985     if test $sp_on = 0; then
1986       error_exit "Stack protector not supported"
1987     fi
1988   fi
1989 fi
1990
1991 # Disable -Wmissing-braces on older compilers that warn even for
1992 # the "universal" C zero initializer {0}.
1993 cat > $TMPC << EOF
1994 struct {
1995   int a[2];
1996 } x = {0};
1997 EOF
1998 if compile_object "-Werror" "" ; then
1999   :
2000 else
2001   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2002 fi
2003
2004 # Static linking is not possible with modules or PIE
2005 if test "$static" = "yes" ; then
2006   if test "$modules" = "yes" ; then
2007     error_exit "static and modules are mutually incompatible"
2008   fi
2009   if test "$pie" = "yes" ; then
2010     error_exit "static and pie are mutually incompatible"
2011   else
2012     pie="no"
2013   fi
2014 fi
2015
2016 # Unconditional check for compiler __thread support
2017   cat > $TMPC << EOF
2018 static __thread int tls_var;
2019 int main(void) { return tls_var; }
2020 EOF
2021
2022 if ! compile_prog "-Werror" "" ; then
2023     error_exit "Your compiler does not support the __thread specifier for " \
2024         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2025 fi
2026
2027 if test "$pie" = ""; then
2028   case "$cpu-$targetos" in
2029     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2030       ;;
2031     *)
2032       pie="no"
2033       ;;
2034   esac
2035 fi
2036
2037 if test "$pie" != "no" ; then
2038   cat > $TMPC << EOF
2039
2040 #ifdef __linux__
2041 #  define THREAD __thread
2042 #else
2043 #  define THREAD
2044 #endif
2045
2046 static THREAD int tls_var;
2047
2048 int main(void) { return tls_var; }
2049
2050 EOF
2051   if compile_prog "-fPIE -DPIE" "-pie"; then
2052     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2053     LDFLAGS="-pie $LDFLAGS"
2054     pie="yes"
2055     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2056       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2057     fi
2058   else
2059     if test "$pie" = "yes"; then
2060       error_exit "PIE not available due to missing toolchain support"
2061     else
2062       echo "Disabling PIE due to missing toolchain support"
2063       pie="no"
2064     fi
2065   fi
2066
2067   if compile_prog "-Werror -fno-pie" "-nopie"; then
2068     CFLAGS_NOPIE="-fno-pie"
2069     LDFLAGS_NOPIE="-nopie"
2070   fi
2071 fi
2072
2073 ##########################################
2074 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2075 # use i686 as default anyway, but for those that don't, an explicit
2076 # specification is necessary
2077
2078 if test "$cpu" = "i386"; then
2079   cat > $TMPC << EOF
2080 static int sfaa(int *ptr)
2081 {
2082   return __sync_fetch_and_and(ptr, 0);
2083 }
2084
2085 int main(void)
2086 {
2087   int val = 42;
2088   val = __sync_val_compare_and_swap(&val, 0, 1);
2089   sfaa(&val);
2090   return val;
2091 }
2092 EOF
2093   if ! compile_prog "" "" ; then
2094     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2095   fi
2096 fi
2097
2098 #########################################
2099 # Solaris specific configure tool chain decisions
2100
2101 if test "$solaris" = "yes" ; then
2102   if has $install; then
2103     :
2104   else
2105     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2106         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2107         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2108   fi
2109   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2110     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2111         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2112         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2113   fi
2114   if has ar; then
2115     :
2116   else
2117     if test -f /usr/ccs/bin/ar ; then
2118       error_exit "No path includes ar" \
2119           "Add /usr/ccs/bin to your path and rerun configure"
2120     fi
2121     error_exit "No path includes ar"
2122   fi
2123 fi
2124
2125 if test -z "${target_list+xxx}" ; then
2126     for target in $default_target_list; do
2127         supported_target $target 2>/dev/null && \
2128             target_list="$target_list $target"
2129     done
2130     target_list="${target_list# }"
2131 else
2132     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2133     for target in $target_list; do
2134         # Check that we recognised the target name; this allows a more
2135         # friendly error message than if we let it fall through.
2136         case " $default_target_list " in
2137             *" $target "*)
2138                 ;;
2139             *)
2140                 error_exit "Unknown target name '$target'"
2141                 ;;
2142         esac
2143         supported_target $target || exit 1
2144     done
2145 fi
2146
2147 # see if system emulation was really requested
2148 case " $target_list " in
2149   *"-softmmu "*) softmmu=yes
2150   ;;
2151   *) softmmu=no
2152   ;;
2153 esac
2154
2155 feature_not_found() {
2156   feature=$1
2157   remedy=$2
2158
2159   error_exit "User requested feature $feature" \
2160       "configure was not able to find it." \
2161       "$remedy"
2162 }
2163
2164 # ---
2165 # big/little endian test
2166 cat > $TMPC << EOF
2167 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2168 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2169 extern int foo(short *, short *);
2170 int main(int argc, char *argv[]) {
2171     return foo(big_endian, little_endian);
2172 }
2173 EOF
2174
2175 if compile_object ; then
2176     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2177         bigendian="yes"
2178     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2179         bigendian="no"
2180     else
2181         echo big/little test failed
2182     fi
2183 else
2184     echo big/little test failed
2185 fi
2186
2187 ##########################################
2188 # cocoa implies not SDL or GTK
2189 # (the cocoa UI code currently assumes it is always the active UI
2190 # and doesn't interact well with other UI frontend code)
2191 if test "$cocoa" = "yes"; then
2192     if test "$sdl" = "yes"; then
2193         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2194     fi
2195     if test "$gtk" = "yes"; then
2196         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2197     fi
2198     gtk=no
2199     sdl=no
2200 fi
2201
2202 # Some versions of Mac OS X incorrectly define SIZE_MAX
2203 cat > $TMPC << EOF
2204 #include <stdint.h>
2205 #include <stdio.h>
2206 int main(int argc, char *argv[]) {
2207     return printf("%zu", SIZE_MAX);
2208 }
2209 EOF
2210 have_broken_size_max=no
2211 if ! compile_object -Werror ; then
2212     have_broken_size_max=yes
2213 fi
2214
2215 ##########################################
2216 # L2TPV3 probe
2217
2218 cat > $TMPC <<EOF
2219 #include <sys/socket.h>
2220 #include <linux/ip.h>
2221 int main(void) { return sizeof(struct mmsghdr); }
2222 EOF
2223 if compile_prog "" "" ; then
2224   l2tpv3=yes
2225 else
2226   l2tpv3=no
2227 fi
2228
2229 #########################################
2230 # vhost interdependencies and host support
2231
2232 # vhost backends
2233 test "$vhost_user" = "" && vhost_user=yes
2234 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2235   error_exit "vhost-user isn't available on win32"
2236 fi
2237 test "$vhost_kernel" = "" && vhost_kernel=$linux
2238 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2239   error_exit "vhost-kernel is only available on Linux"
2240 fi
2241
2242 # vhost-kernel devices
2243 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2244 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2245   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2246 fi
2247 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2248 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2249   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2250 fi
2251
2252 # vhost-user backends
2253 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2254 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2255   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2256 fi
2257 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2258 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2259   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2260 fi
2261
2262 # OR the vhost-kernel and vhost-user values for simplicity
2263 if test "$vhost_net" = ""; then
2264   test "$vhost_net_user" = "yes" && vhost_net=yes
2265   test "$vhost_kernel" = "yes" && vhost_net=yes
2266 fi
2267
2268 ##########################################
2269 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2270
2271 if test "$mingw32" = "yes"; then
2272     # Some versions of MinGW / Mingw-w64 lack localtime_r
2273     # and gmtime_r entirely.
2274     #
2275     # Some versions of Mingw-w64 define a macro for
2276     # localtime_r/gmtime_r.
2277     #
2278     # Some versions of Mingw-w64 will define functions
2279     # for localtime_r/gmtime_r, but only if you have
2280     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2281     # though, unistd.h and pthread.h both define
2282     # that for you.
2283     #
2284     # So this #undef localtime_r and #include <unistd.h>
2285     # are not in fact redundant.
2286 cat > $TMPC << EOF
2287 #include <unistd.h>
2288 #include <time.h>
2289 #undef localtime_r
2290 int main(void) { localtime_r(NULL, NULL); return 0; }
2291 EOF
2292     if compile_prog "" "" ; then
2293         localtime_r="yes"
2294     else
2295         localtime_r="no"
2296     fi
2297 fi
2298
2299 ##########################################
2300 # pkg-config probe
2301
2302 if ! has "$pkg_config_exe"; then
2303   error_exit "pkg-config binary '$pkg_config_exe' not found"
2304 fi
2305
2306 ##########################################
2307 # NPTL probe
2308
2309 if test "$linux_user" = "yes"; then
2310   cat > $TMPC <<EOF
2311 #include <sched.h>
2312 #include <linux/futex.h>
2313 int main(void) {
2314 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2315 #error bork
2316 #endif
2317   return 0;
2318 }
2319 EOF
2320   if ! compile_object ; then
2321     feature_not_found "nptl" "Install glibc and linux kernel headers."
2322   fi
2323 fi
2324
2325 ##########################################
2326 # lzo check
2327
2328 if test "$lzo" != "no" ; then
2329     cat > $TMPC << EOF
2330 #include <lzo/lzo1x.h>
2331 int main(void) { lzo_version(); return 0; }
2332 EOF
2333     if compile_prog "" "-llzo2" ; then
2334         libs_softmmu="$libs_softmmu -llzo2"
2335         lzo="yes"
2336     else
2337         if test "$lzo" = "yes"; then
2338             feature_not_found "liblzo2" "Install liblzo2 devel"
2339         fi
2340         lzo="no"
2341     fi
2342 fi
2343
2344 ##########################################
2345 # snappy check
2346
2347 if test "$snappy" != "no" ; then
2348     cat > $TMPC << EOF
2349 #include <snappy-c.h>
2350 int main(void) { snappy_max_compressed_length(4096); return 0; }
2351 EOF
2352     if compile_prog "" "-lsnappy" ; then
2353         libs_softmmu="$libs_softmmu -lsnappy"
2354         snappy="yes"
2355     else
2356         if test "$snappy" = "yes"; then
2357             feature_not_found "libsnappy" "Install libsnappy devel"
2358         fi
2359         snappy="no"
2360     fi
2361 fi
2362
2363 ##########################################
2364 # bzip2 check
2365
2366 if test "$bzip2" != "no" ; then
2367     cat > $TMPC << EOF
2368 #include <bzlib.h>
2369 int main(void) { BZ2_bzlibVersion(); return 0; }
2370 EOF
2371     if compile_prog "" "-lbz2" ; then
2372         bzip2="yes"
2373     else
2374         if test "$bzip2" = "yes"; then
2375             feature_not_found "libbzip2" "Install libbzip2 devel"
2376         fi
2377         bzip2="no"
2378     fi
2379 fi
2380
2381 ##########################################
2382 # lzfse check
2383
2384 if test "$lzfse" != "no" ; then
2385     cat > $TMPC << EOF
2386 #include <lzfse.h>
2387 int main(void) { lzfse_decode_scratch_size(); return 0; }
2388 EOF
2389     if compile_prog "" "-llzfse" ; then
2390         lzfse="yes"
2391     else
2392         if test "$lzfse" = "yes"; then
2393             feature_not_found "lzfse" "Install lzfse devel"
2394         fi
2395         lzfse="no"
2396     fi
2397 fi
2398
2399 ##########################################
2400 # libseccomp check
2401
2402 if test "$seccomp" != "no" ; then
2403     libseccomp_minver="2.3.0"
2404     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2405         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2406         seccomp_libs="$($pkg_config --libs libseccomp)"
2407         seccomp="yes"
2408     else
2409         if test "$seccomp" = "yes" ; then
2410             feature_not_found "libseccomp" \
2411                  "Install libseccomp devel >= $libseccomp_minver"
2412         fi
2413         seccomp="no"
2414     fi
2415 fi
2416 ##########################################
2417 # xen probe
2418
2419 if test "$xen" != "no" ; then
2420   # Check whether Xen library path is specified via --extra-ldflags to avoid
2421   # overriding this setting with pkg-config output. If not, try pkg-config
2422   # to obtain all needed flags.
2423
2424   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2425      $pkg_config --exists xencontrol ; then
2426     xen_ctrl_version="$(printf '%d%02d%02d' \
2427       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2428     xen=yes
2429     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2430     xen_pc="$xen_pc xenevtchn xendevicemodel"
2431     if $pkg_config --exists xentoolcore; then
2432       xen_pc="$xen_pc xentoolcore"
2433     fi
2434     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2435     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2436   else
2437
2438     xen_libs="-lxenstore -lxenctrl -lxenguest"
2439     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2440
2441     # First we test whether Xen headers and libraries are available.
2442     # If no, we are done and there is no Xen support.
2443     # If yes, more tests are run to detect the Xen version.
2444
2445     # Xen (any)
2446     cat > $TMPC <<EOF
2447 #include <xenctrl.h>
2448 int main(void) {
2449   return 0;
2450 }
2451 EOF
2452     if ! compile_prog "" "$xen_libs" ; then
2453       # Xen not found
2454       if test "$xen" = "yes" ; then
2455         feature_not_found "xen" "Install xen devel"
2456       fi
2457       xen=no
2458
2459     # Xen unstable
2460     elif
2461         cat > $TMPC <<EOF &&
2462 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2463 #define __XEN_TOOLS__
2464 #include <xendevicemodel.h>
2465 #include <xenforeignmemory.h>
2466 int main(void) {
2467   xendevicemodel_handle *xd;
2468   xenforeignmemory_handle *xfmem;
2469
2470   xd = xendevicemodel_open(0, 0);
2471   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2472
2473   xfmem = xenforeignmemory_open(0, 0);
2474   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2475
2476   return 0;
2477 }
2478 EOF
2479         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2480       then
2481       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2482       xen_ctrl_version=41100
2483       xen=yes
2484     elif
2485         cat > $TMPC <<EOF &&
2486 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2487 #include <xenforeignmemory.h>
2488 #include <xentoolcore.h>
2489 int main(void) {
2490   xenforeignmemory_handle *xfmem;
2491
2492   xfmem = xenforeignmemory_open(0, 0);
2493   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2494   xentoolcore_restrict_all(0);
2495
2496   return 0;
2497 }
2498 EOF
2499         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2500       then
2501       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2502       xen_ctrl_version=41000
2503       xen=yes
2504     elif
2505         cat > $TMPC <<EOF &&
2506 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2507 #define __XEN_TOOLS__
2508 #include <xendevicemodel.h>
2509 int main(void) {
2510   xendevicemodel_handle *xd;
2511
2512   xd = xendevicemodel_open(0, 0);
2513   xendevicemodel_close(xd);
2514
2515   return 0;
2516 }
2517 EOF
2518         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2519       then
2520       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2521       xen_ctrl_version=40900
2522       xen=yes
2523     elif
2524         cat > $TMPC <<EOF &&
2525 /*
2526  * If we have stable libs the we don't want the libxc compat
2527  * layers, regardless of what CFLAGS we may have been given.
2528  *
2529  * Also, check if xengnttab_grant_copy_segment_t is defined and
2530  * grant copy operation is implemented.
2531  */
2532 #undef XC_WANT_COMPAT_EVTCHN_API
2533 #undef XC_WANT_COMPAT_GNTTAB_API
2534 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2535 #include <xenctrl.h>
2536 #include <xenstore.h>
2537 #include <xenevtchn.h>
2538 #include <xengnttab.h>
2539 #include <xenforeignmemory.h>
2540 #include <stdint.h>
2541 #include <xen/hvm/hvm_info_table.h>
2542 #if !defined(HVM_MAX_VCPUS)
2543 # error HVM_MAX_VCPUS not defined
2544 #endif
2545 int main(void) {
2546   xc_interface *xc = NULL;
2547   xenforeignmemory_handle *xfmem;
2548   xenevtchn_handle *xe;
2549   xengnttab_handle *xg;
2550   xengnttab_grant_copy_segment_t* seg = NULL;
2551
2552   xs_daemon_open();
2553
2554   xc = xc_interface_open(0, 0, 0);
2555   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2556   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2557   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2558   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2559
2560   xfmem = xenforeignmemory_open(0, 0);
2561   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2562
2563   xe = xenevtchn_open(0, 0);
2564   xenevtchn_fd(xe);
2565
2566   xg = xengnttab_open(0, 0);
2567   xengnttab_grant_copy(xg, 0, seg);
2568
2569   return 0;
2570 }
2571 EOF
2572         compile_prog "" "$xen_libs $xen_stable_libs"
2573       then
2574       xen_ctrl_version=40800
2575       xen=yes
2576     elif
2577         cat > $TMPC <<EOF &&
2578 /*
2579  * If we have stable libs the we don't want the libxc compat
2580  * layers, regardless of what CFLAGS we may have been given.
2581  */
2582 #undef XC_WANT_COMPAT_EVTCHN_API
2583 #undef XC_WANT_COMPAT_GNTTAB_API
2584 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2585 #include <xenctrl.h>
2586 #include <xenstore.h>
2587 #include <xenevtchn.h>
2588 #include <xengnttab.h>
2589 #include <xenforeignmemory.h>
2590 #include <stdint.h>
2591 #include <xen/hvm/hvm_info_table.h>
2592 #if !defined(HVM_MAX_VCPUS)
2593 # error HVM_MAX_VCPUS not defined
2594 #endif
2595 int main(void) {
2596   xc_interface *xc = NULL;
2597   xenforeignmemory_handle *xfmem;
2598   xenevtchn_handle *xe;
2599   xengnttab_handle *xg;
2600
2601   xs_daemon_open();
2602
2603   xc = xc_interface_open(0, 0, 0);
2604   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2605   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2606   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2607   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2608
2609   xfmem = xenforeignmemory_open(0, 0);
2610   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2611
2612   xe = xenevtchn_open(0, 0);
2613   xenevtchn_fd(xe);
2614
2615   xg = xengnttab_open(0, 0);
2616   xengnttab_map_grant_ref(xg, 0, 0, 0);
2617
2618   return 0;
2619 }
2620 EOF
2621         compile_prog "" "$xen_libs $xen_stable_libs"
2622       then
2623       xen_ctrl_version=40701
2624       xen=yes
2625
2626     # Xen 4.6
2627     elif
2628         cat > $TMPC <<EOF &&
2629 #include <xenctrl.h>
2630 #include <xenstore.h>
2631 #include <stdint.h>
2632 #include <xen/hvm/hvm_info_table.h>
2633 #if !defined(HVM_MAX_VCPUS)
2634 # error HVM_MAX_VCPUS not defined
2635 #endif
2636 int main(void) {
2637   xc_interface *xc;
2638   xs_daemon_open();
2639   xc = xc_interface_open(0, 0, 0);
2640   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2641   xc_gnttab_open(NULL, 0);
2642   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2643   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2644   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2645   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2646   return 0;
2647 }
2648 EOF
2649         compile_prog "" "$xen_libs"
2650       then
2651       xen_ctrl_version=40600
2652       xen=yes
2653
2654     # Xen 4.5
2655     elif
2656         cat > $TMPC <<EOF &&
2657 #include <xenctrl.h>
2658 #include <xenstore.h>
2659 #include <stdint.h>
2660 #include <xen/hvm/hvm_info_table.h>
2661 #if !defined(HVM_MAX_VCPUS)
2662 # error HVM_MAX_VCPUS not defined
2663 #endif
2664 int main(void) {
2665   xc_interface *xc;
2666   xs_daemon_open();
2667   xc = xc_interface_open(0, 0, 0);
2668   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2669   xc_gnttab_open(NULL, 0);
2670   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2671   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2672   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2673   return 0;
2674 }
2675 EOF
2676         compile_prog "" "$xen_libs"
2677       then
2678       xen_ctrl_version=40500
2679       xen=yes
2680
2681     elif
2682         cat > $TMPC <<EOF &&
2683 #include <xenctrl.h>
2684 #include <xenstore.h>
2685 #include <stdint.h>
2686 #include <xen/hvm/hvm_info_table.h>
2687 #if !defined(HVM_MAX_VCPUS)
2688 # error HVM_MAX_VCPUS not defined
2689 #endif
2690 int main(void) {
2691   xc_interface *xc;
2692   xs_daemon_open();
2693   xc = xc_interface_open(0, 0, 0);
2694   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2695   xc_gnttab_open(NULL, 0);
2696   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2697   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2698   return 0;
2699 }
2700 EOF
2701         compile_prog "" "$xen_libs"
2702       then
2703       xen_ctrl_version=40200
2704       xen=yes
2705
2706     else
2707       if test "$xen" = "yes" ; then
2708         feature_not_found "xen (unsupported version)" \
2709                           "Install a supported xen (xen 4.2 or newer)"
2710       fi
2711       xen=no
2712     fi
2713
2714     if test "$xen" = yes; then
2715       if test $xen_ctrl_version -ge 40701  ; then
2716         libs_softmmu="$xen_stable_libs $libs_softmmu"
2717       fi
2718       libs_softmmu="$xen_libs $libs_softmmu"
2719     fi
2720   fi
2721 fi
2722
2723 if test "$xen_pci_passthrough" != "no"; then
2724   if test "$xen" = "yes" && test "$linux" = "yes"; then
2725     xen_pci_passthrough=yes
2726   else
2727     if test "$xen_pci_passthrough" = "yes"; then
2728       error_exit "User requested feature Xen PCI Passthrough" \
2729           " but this feature requires /sys from Linux"
2730     fi
2731     xen_pci_passthrough=no
2732   fi
2733 fi
2734
2735 ##########################################
2736 # Windows Hypervisor Platform accelerator (WHPX) check
2737 if test "$whpx" != "no" ; then
2738     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2739         whpx="yes"
2740     else
2741         if test "$whpx" = "yes"; then
2742             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2743         fi
2744         whpx="no"
2745     fi
2746 fi
2747
2748 ##########################################
2749 # Sparse probe
2750 if test "$sparse" != "no" ; then
2751   if has cgcc; then
2752     sparse=yes
2753   else
2754     if test "$sparse" = "yes" ; then
2755       feature_not_found "sparse" "Install sparse binary"
2756     fi
2757     sparse=no
2758   fi
2759 fi
2760
2761 ##########################################
2762 # X11 probe
2763 if $pkg_config --exists "x11"; then
2764     have_x11=yes
2765     x11_cflags=$($pkg_config --cflags x11)
2766     x11_libs=$($pkg_config --libs x11)
2767 fi
2768
2769 ##########################################
2770 # GTK probe
2771
2772 if test "$gtk" != "no"; then
2773     gtkpackage="gtk+-3.0"
2774     gtkx11package="gtk+-x11-3.0"
2775     gtkversion="3.14.0"
2776     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2777         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2778         gtk_libs=$($pkg_config --libs $gtkpackage)
2779         gtk_version=$($pkg_config --modversion $gtkpackage)
2780         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2781             need_x11=yes
2782             gtk_cflags="$gtk_cflags $x11_cflags"
2783             gtk_libs="$gtk_libs $x11_libs"
2784         fi
2785         gtk="yes"
2786     elif test "$gtk" = "yes"; then
2787         feature_not_found "gtk" "Install gtk3-devel"
2788     else
2789         gtk="no"
2790     fi
2791 fi
2792
2793
2794 ##########################################
2795 # GNUTLS probe
2796
2797 if test "$gnutls" != "no"; then
2798     pass="no"
2799     if $pkg_config --exists "gnutls >= 3.1.18"; then
2800         gnutls_cflags=$($pkg_config --cflags gnutls)
2801         gnutls_libs=$($pkg_config --libs gnutls)
2802         # Packaging for the static libraries is not always correct.
2803         # At least ubuntu 18.04 ships only shared libraries.
2804         write_c_skeleton
2805         if compile_prog "" "$gnutls_libs" ; then
2806             LIBS="$gnutls_libs $LIBS"
2807             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2808             pass="yes"
2809         fi
2810     fi
2811     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2812         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2813     else
2814         gnutls="$pass"
2815     fi
2816 fi
2817
2818
2819 # If user didn't give a --disable/enable-gcrypt flag,
2820 # then mark as disabled if user requested nettle
2821 # explicitly
2822 if test -z "$gcrypt"
2823 then
2824     if test "$nettle" = "yes"
2825     then
2826         gcrypt="no"
2827     fi
2828 fi
2829
2830 # If user didn't give a --disable/enable-nettle flag,
2831 # then mark as disabled if user requested gcrypt
2832 # explicitly
2833 if test -z "$nettle"
2834 then
2835     if test "$gcrypt" = "yes"
2836     then
2837         nettle="no"
2838     fi
2839 fi
2840
2841 has_libgcrypt() {
2842     if ! has "libgcrypt-config"
2843     then
2844         return 1
2845     fi
2846
2847     if test -n "$cross_prefix"
2848     then
2849         host=$(libgcrypt-config --host)
2850         if test "$host-" != $cross_prefix
2851         then
2852             return 1
2853         fi
2854     fi
2855
2856     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2857     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2858
2859     if test $maj != 1 || test $min -lt 5
2860     then
2861        return 1
2862     fi
2863
2864     return 0
2865 }
2866
2867
2868 if test "$nettle" != "no"; then
2869     pass="no"
2870     if $pkg_config --exists "nettle >= 2.7.1"; then
2871         nettle_cflags=$($pkg_config --cflags nettle)
2872         nettle_libs=$($pkg_config --libs nettle)
2873         nettle_version=$($pkg_config --modversion nettle)
2874         # Link test to make sure the given libraries work (e.g for static).
2875         write_c_skeleton
2876         if compile_prog "" "$nettle_libs" ; then
2877             LIBS="$nettle_libs $LIBS"
2878             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2879             if test -z "$gcrypt"; then
2880                gcrypt="no"
2881             fi
2882             pass="yes"
2883         fi
2884     fi
2885     if test "$pass" = "no" && test "$nettle" = "yes"; then
2886         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2887     else
2888         nettle="$pass"
2889     fi
2890 fi
2891
2892 if test "$gcrypt" != "no"; then
2893     pass="no"
2894     if has_libgcrypt; then
2895         gcrypt_cflags=$(libgcrypt-config --cflags)
2896         gcrypt_libs=$(libgcrypt-config --libs)
2897         # Debian has removed -lgpg-error from libgcrypt-config
2898         # as it "spreads unnecessary dependencies" which in
2899         # turn breaks static builds...
2900         if test "$static" = "yes"
2901         then
2902             gcrypt_libs="$gcrypt_libs -lgpg-error"
2903         fi
2904
2905         # Link test to make sure the given libraries work (e.g for static).
2906         write_c_skeleton
2907         if compile_prog "" "$gcrypt_libs" ; then
2908             LIBS="$gcrypt_libs $LIBS"
2909             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2910             pass="yes"
2911         fi
2912     fi
2913     if test "$pass" = "yes"; then
2914         gcrypt="yes"
2915         cat > $TMPC << EOF
2916 #include <gcrypt.h>
2917 int main(void) {
2918   gcry_mac_hd_t handle;
2919   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2920                 GCRY_MAC_FLAG_SECURE, NULL);
2921   return 0;
2922 }
2923 EOF
2924         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2925             gcrypt_hmac=yes
2926         fi
2927     elif test "$gcrypt" = "yes"; then
2928         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2929     else
2930         gcrypt="no"
2931     fi
2932 fi
2933
2934
2935 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2936 then
2937     error_exit "Only one of gcrypt & nettle can be enabled"
2938 fi
2939
2940 ##########################################
2941 # libtasn1 - only for the TLS creds/session test suite
2942
2943 tasn1=yes
2944 tasn1_cflags=""
2945 tasn1_libs=""
2946 if $pkg_config --exists "libtasn1"; then
2947     tasn1_cflags=$($pkg_config --cflags libtasn1)
2948     tasn1_libs=$($pkg_config --libs libtasn1)
2949 else
2950     tasn1=no
2951 fi
2952
2953
2954 ##########################################
2955 # PAM probe
2956
2957 if test "$auth_pam" != "no"; then
2958     cat > $TMPC <<EOF
2959 #include <security/pam_appl.h>
2960 #include <stdio.h>
2961 int main(void) {
2962    const char *service_name = "qemu";
2963    const char *user = "frank";
2964    const struct pam_conv pam_conv = { 0 };
2965    pam_handle_t *pamh = NULL;
2966    pam_start(service_name, user, &pam_conv, &pamh);
2967    return 0;
2968 }
2969 EOF
2970     if compile_prog "" "-lpam" ; then
2971         auth_pam=yes
2972     else
2973         if test "$auth_pam" = "yes"; then
2974             feature_not_found "PAM" "Install PAM development package"
2975         else
2976             auth_pam=no
2977         fi
2978     fi
2979 fi
2980
2981 ##########################################
2982 # getifaddrs (for tests/test-io-channel-socket )
2983
2984 have_ifaddrs_h=yes
2985 if ! check_include "ifaddrs.h" ; then
2986   have_ifaddrs_h=no
2987 fi
2988
2989 ##########################################
2990 # VTE probe
2991
2992 if test "$vte" != "no"; then
2993     vteminversion="0.32.0"
2994     if $pkg_config --exists "vte-2.91"; then
2995       vtepackage="vte-2.91"
2996     else
2997       vtepackage="vte-2.90"
2998     fi
2999     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3000         vte_cflags=$($pkg_config --cflags $vtepackage)
3001         vte_libs=$($pkg_config --libs $vtepackage)
3002         vteversion=$($pkg_config --modversion $vtepackage)
3003         vte="yes"
3004     elif test "$vte" = "yes"; then
3005         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3006     else
3007         vte="no"
3008     fi
3009 fi
3010
3011 ##########################################
3012 # SDL probe
3013
3014 # Look for sdl configuration program (pkg-config or sdl-config).  Try
3015 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
3016
3017 sdl_probe ()
3018 {
3019   if $pkg_config sdl2 --exists; then
3020     sdlconfig="$pkg_config sdl2"
3021     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3022   elif has ${sdl_config}; then
3023     sdlconfig="$sdl2_config"
3024     sdlversion=$($sdlconfig --version)
3025   else
3026     if test "$sdl" = "yes" ; then
3027       feature_not_found "sdl" "Install SDL2-devel"
3028     fi
3029     sdl=no
3030     # no need to do the rest
3031     return
3032   fi
3033   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
3034     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3035   fi
3036
3037   cat > $TMPC << EOF
3038 #include <SDL.h>
3039 #undef main /* We don't want SDL to override our main() */
3040 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3041 EOF
3042   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3043   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3044   if test "$static" = "yes" ; then
3045     if $pkg_config sdl2 --exists; then
3046       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3047     else
3048       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3049     fi
3050   else
3051     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3052   fi
3053   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3054     sdl=yes
3055
3056     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3057     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3058       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3059          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3060          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3061       fi
3062       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3063         :
3064       else
3065         sdl=no
3066       fi
3067     fi # static link
3068   else # sdl not found
3069     if test "$sdl" = "yes" ; then
3070       feature_not_found "sdl" "Install SDL2 devel"
3071     fi
3072     sdl=no
3073   fi # sdl compile test
3074 }
3075
3076 sdl_image_probe ()
3077 {
3078     if test "$sdl_image" != "no" ; then
3079         if $pkg_config SDL2_image --exists; then
3080             if test "$static" = "yes"; then
3081                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3082             else
3083                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3084             fi
3085             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3086             sdl_image=yes
3087
3088             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3089             sdl_libs="$sdl_libs $sdl_image_libs"
3090         else
3091             if test "$sdl_image" = "yes" ; then
3092                 feature_not_found "sdl_image" "Install SDL Image devel"
3093             else
3094                 sdl_image=no
3095             fi
3096         fi
3097     fi
3098 }
3099
3100 if test "$sdl" != "no" ; then
3101   sdl_probe
3102 fi
3103
3104 if test "$sdl" = "yes" ; then
3105   sdl_image_probe
3106 else
3107   if test "$sdl_image" = "yes"; then
3108     echo "warning: SDL Image requested, but SDL is not available, disabling"
3109   fi
3110   sdl_image=no
3111 fi
3112
3113 if test "$sdl" = "yes" ; then
3114   cat > $TMPC <<EOF
3115 #include <SDL.h>
3116 #if defined(SDL_VIDEO_DRIVER_X11)
3117 #include <X11/XKBlib.h>
3118 #else
3119 #error No x11 support
3120 #endif
3121 int main(void) { return 0; }
3122 EOF
3123   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3124     need_x11=yes
3125     sdl_cflags="$sdl_cflags $x11_cflags"
3126     sdl_libs="$sdl_libs $x11_libs"
3127   fi
3128 fi
3129
3130 ##########################################
3131 # RDMA needs OpenFabrics libraries
3132 if test "$rdma" != "no" ; then
3133   cat > $TMPC <<EOF
3134 #include <rdma/rdma_cma.h>
3135 int main(void) { return 0; }
3136 EOF
3137   rdma_libs="-lrdmacm -libverbs -libumad"
3138   if compile_prog "" "$rdma_libs" ; then
3139     rdma="yes"
3140     libs_softmmu="$libs_softmmu $rdma_libs"
3141   else
3142     if test "$rdma" = "yes" ; then
3143         error_exit \
3144             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3145             " Your options:" \
3146             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3147             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3148             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3149     fi
3150     rdma="no"
3151   fi
3152 fi
3153
3154 ##########################################
3155 # PVRDMA detection
3156
3157 cat > $TMPC <<EOF &&
3158 #include <sys/mman.h>
3159
3160 int
3161 main(void)
3162 {
3163     char buf = 0;
3164     void *addr = &buf;
3165     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3166
3167     return 0;
3168 }
3169 EOF
3170
3171 if test "$rdma" = "yes" ; then
3172     case "$pvrdma" in
3173     "")
3174         if compile_prog "" ""; then
3175             pvrdma="yes"
3176         else
3177             pvrdma="no"
3178         fi
3179         ;;
3180     "yes")
3181         if ! compile_prog "" ""; then
3182             error_exit "PVRDMA is not supported since mremap is not implemented"
3183         fi
3184         pvrdma="yes"
3185         ;;
3186     "no")
3187         pvrdma="no"
3188         ;;
3189     esac
3190 else
3191     if test "$pvrdma" = "yes" ; then
3192         error_exit "PVRDMA requires rdma suppport"
3193     fi
3194     pvrdma="no"
3195 fi
3196
3197 ##########################################
3198 # VNC SASL detection
3199 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3200   cat > $TMPC <<EOF
3201 #include <sasl/sasl.h>
3202 #include <stdio.h>
3203 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3204 EOF
3205   # Assuming Cyrus-SASL installed in /usr prefix
3206   vnc_sasl_cflags=""
3207   vnc_sasl_libs="-lsasl2"
3208   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3209     vnc_sasl=yes
3210     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3211     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3212   else
3213     if test "$vnc_sasl" = "yes" ; then
3214       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3215     fi
3216     vnc_sasl=no
3217   fi
3218 fi
3219
3220 ##########################################
3221 # VNC JPEG detection
3222 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3223 cat > $TMPC <<EOF
3224 #include <stdio.h>
3225 #include <jpeglib.h>
3226 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3227 EOF
3228     vnc_jpeg_cflags=""
3229     vnc_jpeg_libs="-ljpeg"
3230   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3231     vnc_jpeg=yes
3232     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3233     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3234   else
3235     if test "$vnc_jpeg" = "yes" ; then
3236       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3237     fi
3238     vnc_jpeg=no
3239   fi
3240 fi
3241
3242 ##########################################
3243 # VNC PNG detection
3244 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3245 cat > $TMPC <<EOF
3246 //#include <stdio.h>
3247 #include <png.h>
3248 #include <stddef.h>
3249 int main(void) {
3250     png_structp png_ptr;
3251     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3252     return png_ptr != 0;
3253 }
3254 EOF
3255   if $pkg_config libpng --exists; then
3256     vnc_png_cflags=$($pkg_config libpng --cflags)
3257     vnc_png_libs=$($pkg_config libpng --libs)
3258   else
3259     vnc_png_cflags=""
3260     vnc_png_libs="-lpng"
3261   fi
3262   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3263     vnc_png=yes
3264     libs_softmmu="$vnc_png_libs $libs_softmmu"
3265     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3266   else
3267     if test "$vnc_png" = "yes" ; then
3268       feature_not_found "vnc-png" "Install libpng devel"
3269     fi
3270     vnc_png=no
3271   fi
3272 fi
3273
3274 ##########################################
3275 # xkbcommon probe
3276 if test "$xkbcommon" != "no" ; then
3277   if $pkg_config xkbcommon --exists; then
3278     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3279     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3280     xkbcommon=yes
3281   else
3282     if test "$xkbcommon" = "yes" ; then
3283       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3284     fi
3285     xkbcommon=no
3286   fi
3287 fi
3288
3289
3290 ##########################################
3291 # xfsctl() probe, used for file-posix.c
3292 if test "$xfs" != "no" ; then
3293   cat > $TMPC << EOF
3294 #include <stddef.h>  /* NULL */
3295 #include <xfs/xfs.h>
3296 int main(void)
3297 {
3298     xfsctl(NULL, 0, 0, NULL);
3299     return 0;
3300 }
3301 EOF
3302   if compile_prog "" "" ; then
3303     xfs="yes"
3304   else
3305     if test "$xfs" = "yes" ; then
3306       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3307     fi
3308     xfs=no
3309   fi
3310 fi
3311
3312 ##########################################
3313 # vde libraries probe
3314 if test "$vde" != "no" ; then
3315   vde_libs="-lvdeplug"
3316   cat > $TMPC << EOF
3317 #include <libvdeplug.h>
3318 int main(void)
3319 {
3320     struct vde_open_args a = {0, 0, 0};
3321     char s[] = "";
3322     vde_open(s, s, &a);
3323     return 0;
3324 }
3325 EOF
3326   if compile_prog "" "$vde_libs" ; then
3327     vde=yes
3328   else
3329     if test "$vde" = "yes" ; then
3330       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3331     fi
3332     vde=no
3333   fi
3334 fi
3335
3336 ##########################################
3337 # netmap support probe
3338 # Apart from looking for netmap headers, we make sure that the host API version
3339 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3340 # a minor/major version number. Minor new features will be marked with values up
3341 # to 15, and if something happens that requires a change to the backend we will
3342 # move above 15, submit the backend fixes and modify this two bounds.
3343 if test "$netmap" != "no" ; then
3344   cat > $TMPC << EOF
3345 #include <inttypes.h>
3346 #include <net/if.h>
3347 #include <net/netmap.h>
3348 #include <net/netmap_user.h>
3349 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3350 #error
3351 #endif
3352 int main(void) { return 0; }
3353 EOF
3354   if compile_prog "" "" ; then
3355     netmap=yes
3356   else
3357     if test "$netmap" = "yes" ; then
3358       feature_not_found "netmap"
3359     fi
3360     netmap=no
3361   fi
3362 fi
3363
3364 ##########################################
3365 # libcap-ng library probe
3366 if test "$cap_ng" != "no" ; then
3367   cap_libs="-lcap-ng"
3368   cat > $TMPC << EOF
3369 #include <cap-ng.h>
3370 int main(void)
3371 {
3372     capng_capability_to_name(CAPNG_EFFECTIVE);
3373     return 0;
3374 }
3375 EOF
3376   if compile_prog "" "$cap_libs" ; then
3377     cap_ng=yes
3378     libs_tools="$cap_libs $libs_tools"
3379   else
3380     if test "$cap_ng" = "yes" ; then
3381       feature_not_found "cap_ng" "Install libcap-ng devel"
3382     fi
3383     cap_ng=no
3384   fi
3385 fi
3386
3387 ##########################################
3388 # Sound support libraries probe
3389
3390 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3391 for drv in $audio_drv_list; do
3392     case $drv in
3393     alsa | try-alsa)
3394     if $pkg_config alsa --exists; then
3395         alsa_libs=$($pkg_config alsa --libs)
3396         if test "$drv" = "try-alsa"; then
3397             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3398         fi
3399     else
3400         if test "$drv" = "try-alsa"; then
3401             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3402         else
3403             error_exit "$drv check failed" \
3404                 "Make sure to have the $drv libs and headers installed."
3405         fi
3406     fi
3407     ;;
3408
3409     pa | try-pa)
3410     if $pkg_config libpulse --exists; then
3411         pulse_libs=$($pkg_config libpulse --libs)
3412         audio_pt_int="yes"
3413         if test "$drv" = "try-pa"; then
3414             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3415         fi
3416     else
3417         if test "$drv" = "try-pa"; then
3418             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3419         else
3420             error_exit "$drv check failed" \
3421                 "Make sure to have the $drv libs and headers installed."
3422         fi
3423     fi
3424     ;;
3425
3426     sdl)
3427     if test "$sdl" = "no"; then
3428         error_exit "sdl not found or disabled, can not use sdl audio driver"
3429     fi
3430     ;;
3431
3432     try-sdl)
3433     if test "$sdl" = "no"; then
3434         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3435     else
3436         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3437     fi
3438     ;;
3439
3440     coreaudio)
3441       coreaudio_libs="-framework CoreAudio"
3442     ;;
3443
3444     dsound)
3445       dsound_libs="-lole32 -ldxguid"
3446       audio_win_int="yes"
3447     ;;
3448
3449     oss)
3450       oss_libs="$oss_lib"
3451     ;;
3452
3453     *)
3454     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3455         error_exit "Unknown driver '$drv' selected" \
3456             "Possible drivers are: $audio_possible_drivers"
3457     }
3458     ;;
3459     esac
3460 done
3461
3462 ##########################################
3463 # BrlAPI probe
3464
3465 if test "$brlapi" != "no" ; then
3466   brlapi_libs="-lbrlapi"
3467   cat > $TMPC << EOF
3468 #include <brlapi.h>
3469 #include <stddef.h>
3470 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3471 EOF
3472   if compile_prog "" "$brlapi_libs" ; then
3473     brlapi=yes
3474   else
3475     if test "$brlapi" = "yes" ; then
3476       feature_not_found "brlapi" "Install brlapi devel"
3477     fi
3478     brlapi=no
3479   fi
3480 fi
3481
3482 ##########################################
3483 # iconv probe
3484 if test "$iconv" != "no" ; then
3485   cat > $TMPC << EOF
3486 #include <iconv.h>
3487 int main(void) {
3488   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3489   return conv != (iconv_t) -1;
3490 }
3491 EOF
3492   iconv_prefix_list="/usr/local:/usr"
3493   iconv_lib_list=":-liconv"
3494   IFS=:
3495   for iconv_prefix in $iconv_prefix_list; do
3496     IFS=:
3497     iconv_cflags="-I$iconv_prefix/include"
3498     iconv_ldflags="-L$iconv_prefix/lib"
3499     for iconv_link in $iconv_lib_list; do
3500       unset IFS
3501       iconv_lib="$iconv_ldflags $iconv_link"
3502       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3503       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3504         iconv_found=yes
3505         break
3506       fi
3507     done
3508     if test "$iconv_found" = yes ; then
3509       break
3510     fi
3511   done
3512   if test "$iconv_found" = "yes" ; then
3513     iconv=yes
3514   else
3515     if test "$iconv" = "yes" ; then
3516       feature_not_found "iconv" "Install iconv devel"
3517     fi
3518     iconv=no
3519   fi
3520 fi
3521
3522 ##########################################
3523 # curses probe
3524 if test "$iconv" = "no" ; then
3525   # curses will need iconv
3526   curses=no
3527 fi
3528 if test "$curses" != "no" ; then
3529   if test "$mingw32" = "yes" ; then
3530     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3531     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3532   else
3533     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3534     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3535   fi
3536   curses_found=no
3537   cat > $TMPC << EOF
3538 #include <locale.h>
3539 #include <curses.h>
3540 #include <wchar.h>
3541 #include <langinfo.h>
3542 int main(void) {
3543   const char *codeset;
3544   wchar_t wch = L'w';
3545   setlocale(LC_ALL, "");
3546   resize_term(0, 0);
3547   addwstr(L"wide chars\n");
3548   addnwstr(&wch, 1);
3549   add_wch(WACS_DEGREE);
3550   codeset = nl_langinfo(CODESET);
3551   return codeset != 0;
3552 }
3553 EOF
3554   IFS=:
3555   for curses_inc in $curses_inc_list; do
3556     # Make sure we get the wide character prototypes
3557     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3558     IFS=:
3559     for curses_lib in $curses_lib_list; do
3560       unset IFS
3561       if compile_prog "$curses_inc" "$curses_lib" ; then
3562         curses_found=yes
3563         break
3564       fi
3565     done
3566     if test "$curses_found" = yes ; then
3567       break
3568     fi
3569   done
3570   unset IFS
3571   if test "$curses_found" = "yes" ; then
3572     curses=yes
3573   else
3574     if test "$curses" = "yes" ; then
3575       feature_not_found "curses" "Install ncurses devel"
3576     fi
3577     curses=no
3578   fi
3579 fi
3580
3581 ##########################################
3582 # curl probe
3583 if test "$curl" != "no" ; then
3584   if $pkg_config libcurl --exists; then
3585     curlconfig="$pkg_config libcurl"
3586   else
3587     curlconfig=curl-config
3588   fi
3589   cat > $TMPC << EOF
3590 #include <curl/curl.h>
3591 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3592 EOF
3593   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3594   curl_libs=$($curlconfig --libs 2>/dev/null)
3595   if compile_prog "$curl_cflags" "$curl_libs" ; then
3596     curl=yes
3597   else
3598     if test "$curl" = "yes" ; then
3599       feature_not_found "curl" "Install libcurl devel"
3600     fi
3601     curl=no
3602   fi
3603 fi # test "$curl"
3604
3605 ##########################################
3606 # bluez support probe
3607 if test "$bluez" != "no" ; then
3608   cat > $TMPC << EOF
3609 #include <bluetooth/bluetooth.h>
3610 int main(void) { return bt_error(0); }
3611 EOF
3612   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3613   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3614   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3615     bluez=yes
3616     libs_softmmu="$bluez_libs $libs_softmmu"
3617   else
3618     if test "$bluez" = "yes" ; then
3619       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3620     fi
3621     bluez="no"
3622   fi
3623 fi
3624
3625 ##########################################
3626 # glib support probe
3627
3628 glib_req_ver=2.40
3629 glib_modules=gthread-2.0
3630 if test "$modules" = yes; then
3631     glib_modules="$glib_modules gmodule-export-2.0"
3632 fi
3633
3634 # This workaround is required due to a bug in pkg-config file for glib as it
3635 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3636
3637 if test "$static" = yes && test "$mingw32" = yes; then
3638     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3639 fi
3640
3641 for i in $glib_modules; do
3642     if $pkg_config --atleast-version=$glib_req_ver $i; then
3643         glib_cflags=$($pkg_config --cflags $i)
3644         glib_libs=$($pkg_config --libs $i)
3645         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3646         LIBS="$glib_libs $LIBS"
3647         libs_qga="$glib_libs $libs_qga"
3648     else
3649         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3650     fi
3651 done
3652
3653 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3654     gio=yes
3655     gio_cflags=$($pkg_config --cflags gio-2.0)
3656     gio_libs=$($pkg_config --libs gio-2.0)
3657 else
3658     gio=no
3659 fi
3660
3661 # Sanity check that the current size_t matches the
3662 # size that glib thinks it should be. This catches
3663 # problems on multi-arch where people try to build
3664 # 32-bit QEMU while pointing at 64-bit glib headers
3665 cat > $TMPC <<EOF
3666 #include <glib.h>
3667 #include <unistd.h>
3668
3669 #define QEMU_BUILD_BUG_ON(x) \
3670   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3671
3672 int main(void) {
3673    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3674    return 0;
3675 }
3676 EOF
3677
3678 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3679     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3680                "You probably need to set PKG_CONFIG_LIBDIR"\
3681                "to point to the right pkg-config files for your"\
3682                "build target"
3683 fi
3684
3685 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3686 cat > $TMPC << EOF
3687 #include <glib.h>
3688 int main(void) { return 0; }
3689 EOF
3690 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3691     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3692         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3693         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3694     fi
3695 fi
3696
3697 #########################################
3698 # zlib check
3699
3700 if test "$zlib" != "no" ; then
3701     if $pkg_config --exists zlib; then
3702         zlib_cflags=$($pkg_config --cflags zlib)
3703         zlib_libs=$($pkg_config --libs zlib)
3704         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3705         LIBS="$zlib_libs $LIBS"
3706     else
3707         cat > $TMPC << EOF
3708 #include <zlib.h>
3709 int main(void) { zlibVersion(); return 0; }
3710 EOF
3711         if compile_prog "" "-lz" ; then
3712             LIBS="$LIBS -lz"
3713         else
3714             error_exit "zlib check failed" \
3715                 "Make sure to have the zlib libs and headers installed."
3716         fi
3717     fi
3718 fi
3719
3720 ##########################################
3721 # SHA command probe for modules
3722 if test "$modules" = yes; then
3723     shacmd_probe="sha1sum sha1 shasum"
3724     for c in $shacmd_probe; do
3725         if has $c; then
3726             shacmd="$c"
3727             break
3728         fi
3729     done
3730     if test "$shacmd" = ""; then
3731         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3732     fi
3733 fi
3734
3735 ##########################################
3736 # pixman support probe
3737
3738 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3739   pixman_cflags=
3740   pixman_libs=
3741 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3742   pixman_cflags=$($pkg_config --cflags pixman-1)
3743   pixman_libs=$($pkg_config --libs pixman-1)
3744 else
3745   error_exit "pixman >= 0.21.8 not present." \
3746       "Please install the pixman devel package."
3747 fi
3748
3749 ##########################################
3750 # libmpathpersist probe
3751
3752 if test "$mpath" != "no" ; then
3753   # probe for the new API
3754   cat > $TMPC <<EOF
3755 #include <libudev.h>
3756 #include <mpath_persist.h>
3757 unsigned mpath_mx_alloc_len = 1024;
3758 int logsink;
3759 static struct config *multipath_conf;
3760 extern struct udev *udev;
3761 extern struct config *get_multipath_config(void);
3762 extern void put_multipath_config(struct config *conf);
3763 struct udev *udev;
3764 struct config *get_multipath_config(void) { return multipath_conf; }
3765 void put_multipath_config(struct config *conf) { }
3766
3767 int main(void) {
3768     udev = udev_new();
3769     multipath_conf = mpath_lib_init();
3770     return 0;
3771 }
3772 EOF
3773   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3774     mpathpersist=yes
3775     mpathpersist_new_api=yes
3776   else
3777     # probe for the old API
3778     cat > $TMPC <<EOF
3779 #include <libudev.h>
3780 #include <mpath_persist.h>
3781 unsigned mpath_mx_alloc_len = 1024;
3782 int logsink;
3783 int main(void) {
3784     struct udev *udev = udev_new();
3785     mpath_lib_init(udev);
3786     return 0;
3787 }
3788 EOF
3789     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3790       mpathpersist=yes
3791       mpathpersist_new_api=no
3792     else
3793       mpathpersist=no
3794     fi
3795   fi
3796 else
3797   mpathpersist=no
3798 fi
3799
3800 ##########################################
3801 # libcap probe
3802
3803 if test "$cap" != "no" ; then
3804   cat > $TMPC <<EOF
3805 #include <stdio.h>
3806 #include <sys/capability.h>
3807 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3808 EOF
3809   if compile_prog "" "-lcap" ; then
3810     cap=yes
3811   else
3812     cap=no
3813   fi
3814 fi
3815
3816 ##########################################
3817 # pthread probe
3818 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3819
3820 pthread=no
3821 cat > $TMPC << EOF
3822 #include <pthread.h>
3823 static void *f(void *p) { return NULL; }
3824 int main(void) {
3825   pthread_t thread;
3826   pthread_create(&thread, 0, f, 0);
3827   return 0;
3828 }
3829 EOF
3830 if compile_prog "" "" ; then
3831   pthread=yes
3832 else
3833   for pthread_lib in $PTHREADLIBS_LIST; do
3834     if compile_prog "" "$pthread_lib" ; then
3835       pthread=yes
3836       found=no
3837       for lib_entry in $LIBS; do
3838         if test "$lib_entry" = "$pthread_lib"; then
3839           found=yes
3840           break
3841         fi
3842       done
3843       if test "$found" = "no"; then
3844         LIBS="$pthread_lib $LIBS"
3845         libs_qga="$pthread_lib $libs_qga"
3846       fi
3847       PTHREAD_LIB="$pthread_lib"
3848       break
3849     fi
3850   done
3851 fi
3852
3853 if test "$mingw32" != yes && test "$pthread" = no; then
3854   error_exit "pthread check failed" \
3855       "Make sure to have the pthread libs and headers installed."
3856 fi
3857
3858 # check for pthread_setname_np with thread id
3859 pthread_setname_np_w_tid=no
3860 cat > $TMPC << EOF
3861 #include <pthread.h>
3862
3863 static void *f(void *p) { return NULL; }
3864 int main(void)
3865 {
3866     pthread_t thread;
3867     pthread_create(&thread, 0, f, 0);
3868     pthread_setname_np(thread, "QEMU");
3869     return 0;
3870 }
3871 EOF
3872 if compile_prog "" "$pthread_lib" ; then
3873   pthread_setname_np_w_tid=yes
3874 fi
3875
3876 # check for pthread_setname_np without thread id
3877 pthread_setname_np_wo_tid=no
3878 cat > $TMPC << EOF
3879 #include <pthread.h>
3880
3881 static void *f(void *p) { pthread_setname_np("QEMU"); }
3882 int main(void)
3883 {
3884     pthread_t thread;
3885     pthread_create(&thread, 0, f, 0);
3886     return 0;
3887 }
3888 EOF
3889 if compile_prog "" "$pthread_lib" ; then
3890   pthread_setname_np_wo_tid=yes
3891 fi
3892
3893 ##########################################
3894 # rbd probe
3895 if test "$rbd" != "no" ; then
3896   cat > $TMPC <<EOF
3897 #include <stdio.h>
3898 #include <rbd/librbd.h>
3899 int main(void) {
3900     rados_t cluster;
3901     rados_create(&cluster, NULL);
3902     return 0;
3903 }
3904 EOF
3905   rbd_libs="-lrbd -lrados"
3906   if compile_prog "" "$rbd_libs" ; then
3907     rbd=yes
3908   else
3909     if test "$rbd" = "yes" ; then
3910       feature_not_found "rados block device" "Install librbd/ceph devel"
3911     fi
3912     rbd=no
3913   fi
3914 fi
3915
3916 ##########################################
3917 # libssh2 probe
3918 min_libssh2_version=1.2.8
3919 if test "$libssh2" != "no" ; then
3920   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3921     libssh2_cflags=$($pkg_config libssh2 --cflags)
3922     libssh2_libs=$($pkg_config libssh2 --libs)
3923     libssh2=yes
3924   else
3925     if test "$libssh2" = "yes" ; then
3926       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3927     fi
3928     libssh2=no
3929   fi
3930 fi
3931
3932 ##########################################
3933 # libssh2_sftp_fsync probe
3934
3935 if test "$libssh2" = "yes"; then
3936   cat > $TMPC <<EOF
3937 #include <stdio.h>
3938 #include <libssh2.h>
3939 #include <libssh2_sftp.h>
3940 int main(void) {
3941     LIBSSH2_SESSION *session;
3942     LIBSSH2_SFTP *sftp;
3943     LIBSSH2_SFTP_HANDLE *sftp_handle;
3944     session = libssh2_session_init ();
3945     sftp = libssh2_sftp_init (session);
3946     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3947     libssh2_sftp_fsync (sftp_handle);
3948     return 0;
3949 }
3950 EOF
3951   # libssh2_cflags/libssh2_libs defined in previous test.
3952   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3953     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3954   fi
3955 fi
3956
3957 ##########################################
3958 # linux-aio probe
3959
3960 if test "$linux_aio" != "no" ; then
3961   cat > $TMPC <<EOF
3962 #include <libaio.h>
3963 #include <sys/eventfd.h>
3964 #include <stddef.h>
3965 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3966 EOF
3967   if compile_prog "" "-laio" ; then
3968     linux_aio=yes
3969   else
3970     if test "$linux_aio" = "yes" ; then
3971       feature_not_found "linux AIO" "Install libaio devel"
3972     fi
3973     linux_aio=no
3974   fi
3975 fi
3976
3977 ##########################################
3978 # TPM emulation is only on POSIX
3979
3980 if test "$tpm" = ""; then
3981   if test "$mingw32" = "yes"; then
3982     tpm=no
3983   else
3984     tpm=yes
3985   fi
3986 elif test "$tpm" = "yes"; then
3987   if test "$mingw32" = "yes" ; then
3988     error_exit "TPM emulation only available on POSIX systems"
3989   fi
3990 fi
3991
3992 ##########################################
3993 # attr probe
3994
3995 if test "$attr" != "no" ; then
3996   cat > $TMPC <<EOF
3997 #include <stdio.h>
3998 #include <sys/types.h>
3999 #ifdef CONFIG_LIBATTR
4000 #include <attr/xattr.h>
4001 #else
4002 #include <sys/xattr.h>
4003 #endif
4004 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4005 EOF
4006   if compile_prog "" "" ; then
4007     attr=yes
4008   # Older distros have <attr/xattr.h>, and need -lattr:
4009   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4010     attr=yes
4011     LIBS="-lattr $LIBS"
4012     libattr=yes
4013   else
4014     if test "$attr" = "yes" ; then
4015       feature_not_found "ATTR" "Install libc6 or libattr devel"
4016     fi
4017     attr=no
4018   fi
4019 fi
4020
4021 ##########################################
4022 # iovec probe
4023 cat > $TMPC <<EOF
4024 #include <sys/types.h>
4025 #include <sys/uio.h>
4026 #include <unistd.h>
4027 int main(void) { return sizeof(struct iovec); }
4028 EOF
4029 iovec=no
4030 if compile_prog "" "" ; then
4031   iovec=yes
4032 fi
4033
4034 ##########################################
4035 # preadv probe
4036 cat > $TMPC <<EOF
4037 #include <sys/types.h>
4038 #include <sys/uio.h>
4039 #include <unistd.h>
4040 int main(void) { return preadv(0, 0, 0, 0); }
4041 EOF
4042 preadv=no
4043 if compile_prog "" "" ; then
4044   preadv=yes
4045 fi
4046
4047 ##########################################
4048 # fdt probe
4049 # fdt support is mandatory for at least some target architectures,
4050 # so insist on it if we're building those system emulators.
4051 fdt_required=no
4052 for target in $target_list; do
4053   case $target in
4054     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4055       fdt_required=yes
4056     ;;
4057   esac
4058 done
4059
4060 if test "$fdt_required" = "yes"; then
4061   if test "$fdt" = "no"; then
4062     error_exit "fdt disabled but some requested targets require it." \
4063       "You can turn off fdt only if you also disable all the system emulation" \
4064       "targets which need it (by specifying a cut down --target-list)."
4065   fi
4066   fdt=yes
4067 fi
4068
4069 if test "$fdt" != "no" ; then
4070   fdt_libs="-lfdt"
4071   # explicitly check for libfdt_env.h as it is missing in some stable installs
4072   # and test for required functions to make sure we are on a version >= 1.4.2
4073   cat > $TMPC << EOF
4074 #include <libfdt.h>
4075 #include <libfdt_env.h>
4076 int main(void) { fdt_check_full(NULL, 0); return 0; }
4077 EOF
4078   if compile_prog "" "$fdt_libs" ; then
4079     # system DTC is good - use it
4080     fdt=system
4081   else
4082       # have GIT checkout, so activate dtc submodule
4083       if test -e "${source_path}/.git" ; then
4084           git_submodules="${git_submodules} dtc"
4085       fi
4086       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4087           fdt=git
4088           mkdir -p dtc
4089           if [ "$pwd_is_source_path" != "y" ] ; then
4090               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4091               symlink "$source_path/dtc/scripts" "dtc/scripts"
4092           fi
4093           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4094           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4095           fdt_libs="$fdt_libs"
4096       elif test "$fdt" = "yes" ; then
4097           # Not a git build & no libfdt found, prompt for system install
4098           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4099                      "Please install the DTC (libfdt) devel package"
4100       else
4101           # don't have and don't want
4102           fdt_libs=
4103           fdt=no
4104       fi
4105   fi
4106 fi
4107
4108 libs_softmmu="$libs_softmmu $fdt_libs"
4109
4110 ##########################################
4111 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4112
4113 if test "$opengl" != "no" ; then
4114   opengl_pkgs="epoxy gbm"
4115   if $pkg_config $opengl_pkgs; then
4116     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4117     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4118     opengl=yes
4119     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4120         gtk_gl="yes"
4121     fi
4122     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4123   else
4124     if test "$opengl" = "yes" ; then
4125       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4126     fi
4127     opengl_cflags=""
4128     opengl_libs=""
4129     opengl=no
4130   fi
4131 fi
4132
4133 if test "$opengl" = "yes"; then
4134   cat > $TMPC << EOF
4135 #include <epoxy/egl.h>
4136 #ifndef EGL_MESA_image_dma_buf_export
4137 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4138 #endif
4139 int main(void) { return 0; }
4140 EOF
4141   if compile_prog "" "" ; then
4142     opengl_dmabuf=yes
4143   fi
4144 fi
4145
4146 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4147   for target in $target_list; do
4148     case $target in
4149       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4150         need_x11=yes
4151       ;;
4152     esac
4153   done
4154 fi
4155
4156 ##########################################
4157 # libxml2 probe
4158 if test "$libxml2" != "no" ; then
4159     if $pkg_config --exists libxml-2.0; then
4160         libxml2="yes"
4161         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4162         libxml2_libs=$($pkg_config --libs libxml-2.0)
4163     else
4164         if test "$libxml2" = "yes"; then
4165             feature_not_found "libxml2" "Install libxml2 devel"
4166         fi
4167         libxml2="no"
4168     fi
4169 fi
4170
4171 ##########################################
4172 # glusterfs probe
4173 if test "$glusterfs" != "no" ; then
4174   if $pkg_config --atleast-version=3 glusterfs-api; then
4175     glusterfs="yes"
4176     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4177     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4178     if $pkg_config --atleast-version=4 glusterfs-api; then
4179       glusterfs_xlator_opt="yes"
4180     fi
4181     if $pkg_config --atleast-version=5 glusterfs-api; then
4182       glusterfs_discard="yes"
4183     fi
4184     if $pkg_config --atleast-version=6 glusterfs-api; then
4185       glusterfs_fallocate="yes"
4186       glusterfs_zerofill="yes"
4187     fi
4188     cat > $TMPC << EOF
4189 #include <glusterfs/api/glfs.h>
4190
4191 int
4192 main(void)
4193 {
4194         /* new glfs_ftruncate() passes two additional args */
4195         return glfs_ftruncate(NULL, 0, NULL, NULL);
4196 }
4197 EOF
4198     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4199       glusterfs_ftruncate_has_stat="yes"
4200     fi
4201     cat > $TMPC << EOF
4202 #include <glusterfs/api/glfs.h>
4203
4204 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4205 static void
4206 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4207 {}
4208
4209 int
4210 main(void)
4211 {
4212         glfs_io_cbk iocb = &glusterfs_iocb;
4213         iocb(NULL, 0 , NULL, NULL, NULL);
4214         return 0;
4215 }
4216 EOF
4217     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4218       glusterfs_iocb_has_stat="yes"
4219     fi
4220   else
4221     if test "$glusterfs" = "yes" ; then
4222       feature_not_found "GlusterFS backend support" \
4223           "Install glusterfs-api devel >= 3"
4224     fi
4225     glusterfs="no"
4226   fi
4227 fi
4228
4229 # Check for inotify functions when we are building linux-user
4230 # emulator.  This is done because older glibc versions don't
4231 # have syscall stubs for these implemented.  In that case we
4232 # don't provide them even if kernel supports them.
4233 #
4234 inotify=no
4235 cat > $TMPC << EOF
4236 #include <sys/inotify.h>
4237
4238 int
4239 main(void)
4240 {
4241         /* try to start inotify */
4242         return inotify_init();
4243 }
4244 EOF
4245 if compile_prog "" "" ; then
4246   inotify=yes
4247 fi
4248
4249 inotify1=no
4250 cat > $TMPC << EOF
4251 #include <sys/inotify.h>
4252
4253 int
4254 main(void)
4255 {
4256     /* try to start inotify */
4257     return inotify_init1(0);
4258 }
4259 EOF
4260 if compile_prog "" "" ; then
4261   inotify1=yes
4262 fi
4263
4264 # check if pipe2 is there
4265 pipe2=no
4266 cat > $TMPC << EOF
4267 #include <unistd.h>
4268 #include <fcntl.h>
4269
4270 int main(void)
4271 {
4272     int pipefd[2];
4273     return pipe2(pipefd, O_CLOEXEC);
4274 }
4275 EOF
4276 if compile_prog "" "" ; then
4277   pipe2=yes
4278 fi
4279
4280 # check if accept4 is there
4281 accept4=no
4282 cat > $TMPC << EOF
4283 #include <sys/socket.h>
4284 #include <stddef.h>
4285
4286 int main(void)
4287 {
4288     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4289     return 0;
4290 }
4291 EOF
4292 if compile_prog "" "" ; then
4293   accept4=yes
4294 fi
4295
4296 # check if tee/splice is there. vmsplice was added same time.
4297 splice=no
4298 cat > $TMPC << EOF
4299 #include <unistd.h>
4300 #include <fcntl.h>
4301 #include <limits.h>
4302
4303 int main(void)
4304 {
4305     int len, fd = 0;
4306     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4307     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4308     return 0;
4309 }
4310 EOF
4311 if compile_prog "" "" ; then
4312   splice=yes
4313 fi
4314
4315 ##########################################
4316 # libnuma probe
4317
4318 if test "$numa" != "no" ; then
4319   cat > $TMPC << EOF
4320 #include <numa.h>
4321 int main(void) { return numa_available(); }
4322 EOF
4323
4324   if compile_prog "" "-lnuma" ; then
4325     numa=yes
4326     libs_softmmu="-lnuma $libs_softmmu"
4327   else
4328     if test "$numa" = "yes" ; then
4329       feature_not_found "numa" "install numactl devel"
4330     fi
4331     numa=no
4332   fi
4333 fi
4334
4335 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4336     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4337     exit 1
4338 fi
4339
4340 # Even if malloc_trim() is available, these non-libc memory allocators
4341 # do not support it.
4342 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4343     if test "$malloc_trim" = "yes" ; then
4344         echo "Disabling malloc_trim with non-libc memory allocator"
4345     fi
4346     malloc_trim="no"
4347 fi
4348
4349 #######################################
4350 # malloc_trim
4351
4352 if test "$malloc_trim" != "no" ; then
4353     cat > $TMPC << EOF
4354 #include <malloc.h>
4355 int main(void) { malloc_trim(0); return 0; }
4356 EOF
4357     if compile_prog "" "" ; then
4358         malloc_trim="yes"
4359     else
4360         malloc_trim="no"
4361     fi
4362 fi
4363
4364 ##########################################
4365 # tcmalloc probe
4366
4367 if test "$tcmalloc" = "yes" ; then
4368   cat > $TMPC << EOF
4369 #include <stdlib.h>
4370 int main(void) { malloc(1); return 0; }
4371 EOF
4372
4373   if compile_prog "" "-ltcmalloc" ; then
4374     LIBS="-ltcmalloc $LIBS"
4375   else
4376     feature_not_found "tcmalloc" "install gperftools devel"
4377   fi
4378 fi
4379
4380 ##########################################
4381 # jemalloc probe
4382
4383 if test "$jemalloc" = "yes" ; then
4384   cat > $TMPC << EOF
4385 #include <stdlib.h>
4386 int main(void) { malloc(1); return 0; }
4387 EOF
4388
4389   if compile_prog "" "-ljemalloc" ; then
4390     LIBS="-ljemalloc $LIBS"
4391   else
4392     feature_not_found "jemalloc" "install jemalloc devel"
4393   fi
4394 fi
4395
4396 ##########################################
4397 # signalfd probe
4398 signalfd="no"
4399 cat > $TMPC << EOF
4400 #include <unistd.h>
4401 #include <sys/syscall.h>
4402 #include <signal.h>
4403 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4404 EOF
4405
4406 if compile_prog "" "" ; then
4407   signalfd=yes
4408 fi
4409
4410 # check if optreset global is declared by <getopt.h>
4411 optreset="no"
4412 cat > $TMPC << EOF
4413 #include <getopt.h>
4414 int main(void) { return optreset; }
4415 EOF
4416
4417 if compile_prog "" "" ; then
4418   optreset=yes
4419 fi
4420
4421 # check if eventfd is supported
4422 eventfd=no
4423 cat > $TMPC << EOF
4424 #include <sys/eventfd.h>
4425
4426 int main(void)
4427 {
4428     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4429 }
4430 EOF
4431 if compile_prog "" "" ; then
4432   eventfd=yes
4433 fi
4434
4435 # check if memfd is supported
4436 memfd=no
4437 cat > $TMPC << EOF
4438 #include <sys/mman.h>
4439
4440 int main(void)
4441 {
4442     return memfd_create("foo", MFD_ALLOW_SEALING);
4443 }
4444 EOF
4445 if compile_prog "" "" ; then
4446   memfd=yes
4447 fi
4448
4449 # check for usbfs
4450 have_usbfs=no
4451 if test "$linux_user" = "yes"; then
4452   cat > $TMPC << EOF
4453 #include <linux/usbdevice_fs.h>
4454
4455 #ifndef USBDEVFS_GET_CAPABILITIES
4456 #error "USBDEVFS_GET_CAPABILITIES undefined"
4457 #endif
4458
4459 #ifndef USBDEVFS_DISCONNECT_CLAIM
4460 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4461 #endif
4462
4463 int main(void)
4464 {
4465     return 0;
4466 }
4467 EOF
4468   if compile_prog "" ""; then
4469     have_usbfs=yes
4470   fi
4471 fi
4472
4473 # check for fallocate
4474 fallocate=no
4475 cat > $TMPC << EOF
4476 #include <fcntl.h>
4477
4478 int main(void)
4479 {
4480     fallocate(0, 0, 0, 0);
4481     return 0;
4482 }
4483 EOF
4484 if compile_prog "" "" ; then
4485   fallocate=yes
4486 fi
4487
4488 # check for fallocate hole punching
4489 fallocate_punch_hole=no
4490 cat > $TMPC << EOF
4491 #include <fcntl.h>
4492 #include <linux/falloc.h>
4493
4494 int main(void)
4495 {
4496     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4497     return 0;
4498 }
4499 EOF
4500 if compile_prog "" "" ; then
4501   fallocate_punch_hole=yes
4502 fi
4503
4504 # check that fallocate supports range zeroing inside the file
4505 fallocate_zero_range=no
4506 cat > $TMPC << EOF
4507 #include <fcntl.h>
4508 #include <linux/falloc.h>
4509
4510 int main(void)
4511 {
4512     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4513     return 0;
4514 }
4515 EOF
4516 if compile_prog "" "" ; then
4517   fallocate_zero_range=yes
4518 fi
4519
4520 # check for posix_fallocate
4521 posix_fallocate=no
4522 cat > $TMPC << EOF
4523 #include <fcntl.h>
4524
4525 int main(void)
4526 {
4527     posix_fallocate(0, 0, 0);
4528     return 0;
4529 }
4530 EOF
4531 if compile_prog "" "" ; then
4532     posix_fallocate=yes
4533 fi
4534
4535 # check for sync_file_range
4536 sync_file_range=no
4537 cat > $TMPC << EOF
4538 #include <fcntl.h>
4539
4540 int main(void)
4541 {
4542     sync_file_range(0, 0, 0, 0);
4543     return 0;
4544 }
4545 EOF
4546 if compile_prog "" "" ; then
4547   sync_file_range=yes
4548 fi
4549
4550 # check for linux/fiemap.h and FS_IOC_FIEMAP
4551 fiemap=no
4552 cat > $TMPC << EOF
4553 #include <sys/ioctl.h>
4554 #include <linux/fs.h>
4555 #include <linux/fiemap.h>
4556
4557 int main(void)
4558 {
4559     ioctl(0, FS_IOC_FIEMAP, 0);
4560     return 0;
4561 }
4562 EOF
4563 if compile_prog "" "" ; then
4564   fiemap=yes
4565 fi
4566
4567 # check for dup3
4568 dup3=no
4569 cat > $TMPC << EOF
4570 #include <unistd.h>
4571
4572 int main(void)
4573 {
4574     dup3(0, 0, 0);
4575     return 0;
4576 }
4577 EOF
4578 if compile_prog "" "" ; then
4579   dup3=yes
4580 fi
4581
4582 # check for ppoll support
4583 ppoll=no
4584 cat > $TMPC << EOF
4585 #include <poll.h>
4586
4587 int main(void)
4588 {
4589     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4590     ppoll(&pfd, 1, 0, 0);
4591     return 0;
4592 }
4593 EOF
4594 if compile_prog "" "" ; then
4595   ppoll=yes
4596 fi
4597
4598 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4599 prctl_pr_set_timerslack=no
4600 cat > $TMPC << EOF
4601 #include <sys/prctl.h>
4602
4603 int main(void)
4604 {
4605     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4606     return 0;
4607 }
4608 EOF
4609 if compile_prog "" "" ; then
4610   prctl_pr_set_timerslack=yes
4611 fi
4612
4613 # check for epoll support
4614 epoll=no
4615 cat > $TMPC << EOF
4616 #include <sys/epoll.h>
4617
4618 int main(void)
4619 {
4620     epoll_create(0);
4621     return 0;
4622 }
4623 EOF
4624 if compile_prog "" "" ; then
4625   epoll=yes
4626 fi
4627
4628 # epoll_create1 is a later addition
4629 # so we must check separately for its presence
4630 epoll_create1=no
4631 cat > $TMPC << EOF
4632 #include <sys/epoll.h>
4633
4634 int main(void)
4635 {
4636     /* Note that we use epoll_create1 as a value, not as
4637      * a function being called. This is necessary so that on
4638      * old SPARC glibc versions where the function was present in
4639      * the library but not declared in the header file we will
4640      * fail the configure check. (Otherwise we will get a compiler
4641      * warning but not an error, and will proceed to fail the
4642      * qemu compile where we compile with -Werror.)
4643      */
4644     return (int)(uintptr_t)&epoll_create1;
4645 }
4646 EOF
4647 if compile_prog "" "" ; then
4648   epoll_create1=yes
4649 fi
4650
4651 # check for sendfile support
4652 sendfile=no
4653 cat > $TMPC << EOF
4654 #include <sys/sendfile.h>
4655
4656 int main(void)
4657 {
4658     return sendfile(0, 0, 0, 0);
4659 }
4660 EOF
4661 if compile_prog "" "" ; then
4662   sendfile=yes
4663 fi
4664
4665 # check for timerfd support (glibc 2.8 and newer)
4666 timerfd=no
4667 cat > $TMPC << EOF
4668 #include <sys/timerfd.h>
4669
4670 int main(void)
4671 {
4672     return(timerfd_create(CLOCK_REALTIME, 0));
4673 }
4674 EOF
4675 if compile_prog "" "" ; then
4676   timerfd=yes
4677 fi
4678
4679 # check for setns and unshare support
4680 setns=no
4681 cat > $TMPC << EOF
4682 #include <sched.h>
4683
4684 int main(void)
4685 {
4686     int ret;
4687     ret = setns(0, 0);
4688     ret = unshare(0);
4689     return ret;
4690 }
4691 EOF
4692 if compile_prog "" "" ; then
4693   setns=yes
4694 fi
4695
4696 # clock_adjtime probe
4697 clock_adjtime=no
4698 cat > $TMPC <<EOF
4699 #include <time.h>
4700
4701 int main(void)
4702 {
4703     return clock_adjtime(0, 0);
4704 }
4705 EOF
4706 clock_adjtime=no
4707 if compile_prog "" "" ; then
4708   clock_adjtime=yes
4709 fi
4710
4711 # syncfs probe
4712 syncfs=no
4713 cat > $TMPC <<EOF
4714 #include <unistd.h>
4715
4716 int main(void)
4717 {
4718     return syncfs(0);
4719 }
4720 EOF
4721 syncfs=no
4722 if compile_prog "" "" ; then
4723   syncfs=yes
4724 fi
4725
4726 # Check we have a new enough version of sphinx-build
4727 has_sphinx_build() {
4728     # This is a bit awkward but works: create a trivial document and
4729     # try to run it with our configuration file (which enforces a
4730     # version requirement). This will fail if either
4731     # sphinx-build doesn't exist at all or if it is too old.
4732     mkdir -p "$TMPDIR1/sphinx"
4733     touch "$TMPDIR1/sphinx/index.rst"
4734     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4735 }
4736
4737 # Check if tools are available to build documentation.
4738 if test "$docs" != "no" ; then
4739   if has makeinfo && has pod2man && has_sphinx_build; then
4740     docs=yes
4741   else
4742     if test "$docs" = "yes" ; then
4743       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4744     fi
4745     docs=no
4746   fi
4747 fi
4748
4749 # Search for bswap_32 function
4750 byteswap_h=no
4751 cat > $TMPC << EOF
4752 #include <byteswap.h>
4753 int main(void) { return bswap_32(0); }
4754 EOF
4755 if compile_prog "" "" ; then
4756   byteswap_h=yes
4757 fi
4758
4759 # Search for bswap32 function
4760 bswap_h=no
4761 cat > $TMPC << EOF
4762 #include <sys/endian.h>
4763 #include <sys/types.h>
4764 #include <machine/bswap.h>
4765 int main(void) { return bswap32(0); }
4766 EOF
4767 if compile_prog "" "" ; then
4768   bswap_h=yes
4769 fi
4770
4771 ##########################################
4772 # Do we have libiscsi >= 1.9.0
4773 if test "$libiscsi" != "no" ; then
4774   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4775     libiscsi="yes"
4776     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4777     libiscsi_libs=$($pkg_config --libs libiscsi)
4778   else
4779     if test "$libiscsi" = "yes" ; then
4780       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4781     fi
4782     libiscsi="no"
4783   fi
4784 fi
4785
4786 ##########################################
4787 # Do we need libm
4788 cat > $TMPC << EOF
4789 #include <math.h>
4790 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4791 EOF
4792 if compile_prog "" "" ; then
4793   :
4794 elif compile_prog "" "-lm" ; then
4795   LIBS="-lm $LIBS"
4796   libs_qga="-lm $libs_qga"
4797 else
4798   error_exit "libm check failed"
4799 fi
4800
4801 ##########################################
4802 # Do we need librt
4803 # uClibc provides 2 versions of clock_gettime(), one with realtime
4804 # support and one without. This means that the clock_gettime() don't
4805 # need -lrt. We still need it for timer_create() so we check for this
4806 # function in addition.
4807 cat > $TMPC <<EOF
4808 #include <signal.h>
4809 #include <time.h>
4810 int main(void) {
4811   timer_create(CLOCK_REALTIME, NULL, NULL);
4812   return clock_gettime(CLOCK_REALTIME, NULL);
4813 }
4814 EOF
4815
4816 if compile_prog "" "" ; then
4817   :
4818 # we need pthread for static linking. use previous pthread test result
4819 elif compile_prog "" "$pthread_lib -lrt" ; then
4820   LIBS="$LIBS -lrt"
4821   libs_qga="$libs_qga -lrt"
4822 fi
4823
4824 # Check whether we need to link libutil for openpty()
4825 cat > $TMPC << EOF
4826 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4827 int main(void) { return openpty(0, 0, 0, 0, 0); }
4828 EOF
4829
4830 if ! compile_prog "" "" ; then
4831   if compile_prog "" "-lutil" ; then
4832     libs_softmmu="-lutil $libs_softmmu"
4833     libs_tools="-lutil $libs_tools"
4834   fi
4835 fi
4836
4837 ##########################################
4838 # spice probe
4839 if test "$spice" != "no" ; then
4840   cat > $TMPC << EOF
4841 #include <spice.h>
4842 int main(void) { spice_server_new(); return 0; }
4843 EOF
4844   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4845   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4846   if $pkg_config --atleast-version=0.12.5 spice-server && \
4847      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4848      compile_prog "$spice_cflags" "$spice_libs" ; then
4849     spice="yes"
4850     libs_softmmu="$libs_softmmu $spice_libs"
4851     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4852     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4853     spice_server_version=$($pkg_config --modversion spice-server)
4854   else
4855     if test "$spice" = "yes" ; then
4856       feature_not_found "spice" \
4857           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4858     fi
4859     spice="no"
4860   fi
4861 fi
4862
4863 # check for smartcard support
4864 if test "$smartcard" != "no"; then
4865     if $pkg_config --atleast-version=2.5.1 libcacard; then
4866         libcacard_cflags=$($pkg_config --cflags libcacard)
4867         libcacard_libs=$($pkg_config --libs libcacard)
4868         smartcard="yes"
4869     else
4870         if test "$smartcard" = "yes"; then
4871             feature_not_found "smartcard" "Install libcacard devel"
4872         fi
4873         smartcard="no"
4874     fi
4875 fi
4876
4877 # check for libusb
4878 if test "$libusb" != "no" ; then
4879     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4880         libusb="yes"
4881         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4882         libusb_libs=$($pkg_config --libs libusb-1.0)
4883     else
4884         if test "$libusb" = "yes"; then
4885             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4886         fi
4887         libusb="no"
4888     fi
4889 fi
4890
4891 # check for usbredirparser for usb network redirection support
4892 if test "$usb_redir" != "no" ; then
4893     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4894         usb_redir="yes"
4895         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4896         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4897     else
4898         if test "$usb_redir" = "yes"; then
4899             feature_not_found "usb-redir" "Install usbredir devel"
4900         fi
4901         usb_redir="no"
4902     fi
4903 fi
4904
4905 ##########################################
4906 # check if we have VSS SDK headers for win
4907
4908 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4909         test "$vss_win32_sdk" != "no" ; then
4910   case "$vss_win32_sdk" in
4911     "")   vss_win32_include="-isystem $source_path" ;;
4912     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4913           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4914           vss_win32_include="-isystem $source_path/.sdk/vss"
4915           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4916           ;;
4917     *)    vss_win32_include="-isystem $vss_win32_sdk"
4918   esac
4919   cat > $TMPC << EOF
4920 #define __MIDL_user_allocate_free_DEFINED__
4921 #include <inc/win2003/vss.h>
4922 int main(void) { return VSS_CTX_BACKUP; }
4923 EOF
4924   if compile_prog "$vss_win32_include" "" ; then
4925     guest_agent_with_vss="yes"
4926     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4927     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4928     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4929   else
4930     if test "$vss_win32_sdk" != "" ; then
4931       echo "ERROR: Please download and install Microsoft VSS SDK:"
4932       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4933       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4934       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4935       echo "ERROR: The headers are extracted in the directory \`inc'."
4936       feature_not_found "VSS support"
4937     fi
4938     guest_agent_with_vss="no"
4939   fi
4940 fi
4941
4942 ##########################################
4943 # lookup Windows platform SDK (if not specified)
4944 # The SDK is needed only to build .tlb (type library) file of guest agent
4945 # VSS provider from the source. It is usually unnecessary because the
4946 # pre-compiled .tlb file is included.
4947
4948 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4949         test "$guest_agent_with_vss" = "yes" ; then
4950   if test -z "$win_sdk"; then
4951     programfiles="$PROGRAMFILES"
4952     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4953     if test -n "$programfiles"; then
4954       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4955     else
4956       feature_not_found "Windows SDK"
4957     fi
4958   elif test "$win_sdk" = "no"; then
4959     win_sdk=""
4960   fi
4961 fi
4962
4963 ##########################################
4964 # check if mingw environment provides a recent ntddscsi.h
4965 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4966   cat > $TMPC << EOF
4967 #include <windows.h>
4968 #include <ntddscsi.h>
4969 int main(void) {
4970 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4971 #error Missing required ioctl definitions
4972 #endif
4973   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4974   return addr.Lun;
4975 }
4976 EOF
4977   if compile_prog "" "" ; then
4978     guest_agent_ntddscsi=yes
4979     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4980   fi
4981 fi
4982
4983 ##########################################
4984 # virgl renderer probe
4985
4986 if test "$virglrenderer" != "no" ; then
4987   cat > $TMPC << EOF
4988 #include <virglrenderer.h>
4989 int main(void) { virgl_renderer_poll(); return 0; }
4990 EOF
4991   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4992   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4993   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4994   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4995      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4996     virglrenderer="yes"
4997   else
4998     if test "$virglrenderer" = "yes" ; then
4999       feature_not_found "virglrenderer"
5000     fi
5001     virglrenderer="no"
5002   fi
5003 fi
5004
5005 ##########################################
5006 # capstone
5007
5008 case "$capstone" in
5009   "" | yes)
5010     if $pkg_config capstone; then
5011       capstone=system
5012     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5013       capstone=git
5014     elif test -e "${source_path}/capstone/Makefile" ; then
5015       capstone=internal
5016     elif test -z "$capstone" ; then
5017       capstone=no
5018     else
5019       feature_not_found "capstone" "Install capstone devel or git submodule"
5020     fi
5021     ;;
5022
5023   system)
5024     if ! $pkg_config capstone; then
5025       feature_not_found "capstone" "Install capstone devel"
5026     fi
5027     ;;
5028 esac
5029
5030 case "$capstone" in
5031   git | internal)
5032     if test "$capstone" = git; then
5033       git_submodules="${git_submodules} capstone"
5034     fi
5035     mkdir -p capstone
5036     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5037     if test "$mingw32" = "yes"; then
5038       LIBCAPSTONE=capstone.lib
5039     else
5040       LIBCAPSTONE=libcapstone.a
5041     fi
5042     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
5043     ;;
5044
5045   system)
5046     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5047     LIBS="$($pkg_config --libs capstone) $LIBS"
5048     ;;
5049
5050   no)
5051     ;;
5052   *)
5053     error_exit "Unknown state for capstone: $capstone"
5054     ;;
5055 esac
5056
5057 ##########################################
5058 # check if we have fdatasync
5059
5060 fdatasync=no
5061 cat > $TMPC << EOF
5062 #include <unistd.h>
5063 int main(void) {
5064 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5065 return fdatasync(0);
5066 #else
5067 #error Not supported
5068 #endif
5069 }
5070 EOF
5071 if compile_prog "" "" ; then
5072     fdatasync=yes
5073 fi
5074
5075 ##########################################
5076 # check if we have madvise
5077
5078 madvise=no
5079 cat > $TMPC << EOF
5080 #include <sys/types.h>
5081 #include <sys/mman.h>
5082 #include <stddef.h>
5083 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5084 EOF
5085 if compile_prog "" "" ; then
5086     madvise=yes
5087 fi
5088
5089 ##########################################
5090 # check if we have posix_madvise
5091
5092 posix_madvise=no
5093 cat > $TMPC << EOF
5094 #include <sys/mman.h>
5095 #include <stddef.h>
5096 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5097 EOF
5098 if compile_prog "" "" ; then
5099     posix_madvise=yes
5100 fi
5101
5102 ##########################################
5103 # check if we have posix_memalign()
5104
5105 posix_memalign=no
5106 cat > $TMPC << EOF
5107 #include <stdlib.h>
5108 int main(void) {
5109     void *p;
5110     return posix_memalign(&p, 8, 8);
5111 }
5112 EOF
5113 if compile_prog "" "" ; then
5114     posix_memalign=yes
5115 fi
5116
5117 ##########################################
5118 # check if we have posix_syslog
5119
5120 posix_syslog=no
5121 cat > $TMPC << EOF
5122 #include <syslog.h>
5123 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5124 EOF
5125 if compile_prog "" "" ; then
5126     posix_syslog=yes
5127 fi
5128
5129 ##########################################
5130 # check if we have sem_timedwait
5131
5132 sem_timedwait=no
5133 cat > $TMPC << EOF
5134 #include <semaphore.h>
5135 int main(void) { return sem_timedwait(0, 0); }
5136 EOF
5137 if compile_prog "" "" ; then
5138     sem_timedwait=yes
5139 fi
5140
5141 ##########################################
5142 # check if we have strchrnul
5143
5144 strchrnul=no
5145 cat > $TMPC << EOF
5146 #include <string.h>
5147 int main(void);
5148 // Use a haystack that the compiler shouldn't be able to constant fold
5149 char *haystack = (char*)&main;
5150 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5151 EOF
5152 if compile_prog "" "" ; then
5153     strchrnul=yes
5154 fi
5155
5156 ##########################################
5157 # check if trace backend exists
5158
5159 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5160 if test "$?" -ne 0 ; then
5161   error_exit "invalid trace backends" \
5162       "Please choose supported trace backends."
5163 fi
5164
5165 ##########################################
5166 # For 'ust' backend, test if ust headers are present
5167 if have_backend "ust"; then
5168   cat > $TMPC << EOF
5169 #include <lttng/tracepoint.h>
5170 int main(void) { return 0; }
5171 EOF
5172   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5173     if $pkg_config lttng-ust --exists; then
5174       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5175     else
5176       lttng_ust_libs="-llttng-ust -ldl"
5177     fi
5178     if $pkg_config liburcu-bp --exists; then
5179       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5180     else
5181       urcu_bp_libs="-lurcu-bp"
5182     fi
5183
5184     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5185     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5186   else
5187     error_exit "Trace backend 'ust' missing lttng-ust header files"
5188   fi
5189 fi
5190
5191 ##########################################
5192 # For 'dtrace' backend, test if 'dtrace' command is present
5193 if have_backend "dtrace"; then
5194   if ! has 'dtrace' ; then
5195     error_exit "dtrace command is not found in PATH $PATH"
5196   fi
5197   trace_backend_stap="no"
5198   if has 'stap' ; then
5199     trace_backend_stap="yes"
5200   fi
5201 fi
5202
5203 ##########################################
5204 # check and set a backend for coroutine
5205
5206 # We prefer ucontext, but it's not always possible. The fallback
5207 # is sigcontext. On Windows the only valid backend is the Windows
5208 # specific one.
5209
5210 ucontext_works=no
5211 if test "$darwin" != "yes"; then
5212   cat > $TMPC << EOF
5213 #include <ucontext.h>
5214 #ifdef __stub_makecontext
5215 #error Ignoring glibc stub makecontext which will always fail
5216 #endif
5217 int main(void) { makecontext(0, 0, 0); return 0; }
5218 EOF
5219   if compile_prog "" "" ; then
5220     ucontext_works=yes
5221   fi
5222 fi
5223
5224 if test "$coroutine" = ""; then
5225   if test "$mingw32" = "yes"; then
5226     coroutine=win32
5227   elif test "$ucontext_works" = "yes"; then
5228     coroutine=ucontext
5229   else
5230     coroutine=sigaltstack
5231   fi
5232 else
5233   case $coroutine in
5234   windows)
5235     if test "$mingw32" != "yes"; then
5236       error_exit "'windows' coroutine backend only valid for Windows"
5237     fi
5238     # Unfortunately the user visible backend name doesn't match the
5239     # coroutine-*.c filename for this case, so we have to adjust it here.
5240     coroutine=win32
5241     ;;
5242   ucontext)
5243     if test "$ucontext_works" != "yes"; then
5244       feature_not_found "ucontext"
5245     fi
5246     ;;
5247   sigaltstack)
5248     if test "$mingw32" = "yes"; then
5249       error_exit "only the 'windows' coroutine backend is valid for Windows"
5250     fi
5251     ;;
5252   *)
5253     error_exit "unknown coroutine backend $coroutine"
5254     ;;
5255   esac
5256 fi
5257
5258 if test "$coroutine_pool" = ""; then
5259   coroutine_pool=yes
5260 fi
5261
5262 if test "$debug_stack_usage" = "yes"; then
5263   if test "$coroutine_pool" = "yes"; then
5264     echo "WARN: disabling coroutine pool for stack usage debugging"
5265     coroutine_pool=no
5266   fi
5267 fi
5268
5269
5270 ##########################################
5271 # check if we have open_by_handle_at
5272
5273 open_by_handle_at=no
5274 cat > $TMPC << EOF
5275 #include <fcntl.h>
5276 #if !defined(AT_EMPTY_PATH)
5277 # error missing definition
5278 #else
5279 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5280 #endif
5281 EOF
5282 if compile_prog "" "" ; then
5283     open_by_handle_at=yes
5284 fi
5285
5286 ########################################
5287 # check if we have linux/magic.h
5288
5289 linux_magic_h=no
5290 cat > $TMPC << EOF
5291 #include <linux/magic.h>
5292 int main(void) {
5293   return 0;
5294 }
5295 EOF
5296 if compile_prog "" "" ; then
5297     linux_magic_h=yes
5298 fi
5299
5300 ########################################
5301 # check whether we can disable warning option with a pragma (this is needed
5302 # to silence warnings in the headers of some versions of external libraries).
5303 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5304 # only a warning.
5305 #
5306 # If we can't selectively disable warning in the code, disable -Werror so that
5307 # the build doesn't fail anyway.
5308
5309 pragma_disable_unused_but_set=no
5310 cat > $TMPC << EOF
5311 #pragma GCC diagnostic push
5312 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5313 #pragma GCC diagnostic pop
5314
5315 int main(void) {
5316     return 0;
5317 }
5318 EOF
5319 if compile_prog "-Werror" "" ; then
5320     pragma_diagnostic_available=yes
5321 else
5322     werror=no
5323 fi
5324
5325 ########################################
5326 # check if we have valgrind/valgrind.h
5327
5328 valgrind_h=no
5329 cat > $TMPC << EOF
5330 #include <valgrind/valgrind.h>
5331 int main(void) {
5332   return 0;
5333 }
5334 EOF
5335 if compile_prog "" "" ; then
5336     valgrind_h=yes
5337 fi
5338
5339 ########################################
5340 # check if environ is declared
5341
5342 has_environ=no
5343 cat > $TMPC << EOF
5344 #include <unistd.h>
5345 int main(void) {
5346     environ = 0;
5347     return 0;
5348 }
5349 EOF
5350 if compile_prog "" "" ; then
5351     has_environ=yes
5352 fi
5353
5354 ########################################
5355 # check if cpuid.h is usable.
5356
5357 cat > $TMPC << EOF
5358 #include <cpuid.h>
5359 int main(void) {
5360     unsigned a, b, c, d;
5361     int max = __get_cpuid_max(0, 0);
5362
5363     if (max >= 1) {
5364         __cpuid(1, a, b, c, d);
5365     }
5366
5367     if (max >= 7) {
5368         __cpuid_count(7, 0, a, b, c, d);
5369     }
5370
5371     return 0;
5372 }
5373 EOF
5374 if compile_prog "" "" ; then
5375     cpuid_h=yes
5376 fi
5377
5378 ##########################################
5379 # avx2 optimization requirement check
5380 #
5381 # There is no point enabling this if cpuid.h is not usable,
5382 # since we won't be able to select the new routines.
5383
5384 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5385   cat > $TMPC << EOF
5386 #pragma GCC push_options
5387 #pragma GCC target("avx2")
5388 #include <cpuid.h>
5389 #include <immintrin.h>
5390 static int bar(void *a) {
5391     __m256i x = *(__m256i *)a;
5392     return _mm256_testz_si256(x, x);
5393 }
5394 int main(int argc, char *argv[]) { return bar(argv[0]); }
5395 EOF
5396   if compile_object "" ; then
5397     avx2_opt="yes"
5398   else
5399     avx2_opt="no"
5400   fi
5401 fi
5402
5403 ########################################
5404 # check if __[u]int128_t is usable.
5405
5406 int128=no
5407 cat > $TMPC << EOF
5408 __int128_t a;
5409 __uint128_t b;
5410 int main (void) {
5411   a = a + b;
5412   b = a * b;
5413   a = a * a;
5414   return 0;
5415 }
5416 EOF
5417 if compile_prog "" "" ; then
5418     int128=yes
5419 fi
5420
5421 #########################################
5422 # See if 128-bit atomic operations are supported.
5423
5424 atomic128=no
5425 if test "$int128" = "yes"; then
5426   cat > $TMPC << EOF
5427 int main(void)
5428 {
5429   unsigned __int128 x = 0, y = 0;
5430   y = __atomic_load_16(&x, 0);
5431   __atomic_store_16(&x, y, 0);
5432   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5433   return 0;
5434 }
5435 EOF
5436   if compile_prog "" "" ; then
5437     atomic128=yes
5438   fi
5439 fi
5440
5441 cmpxchg128=no
5442 if test "$int128" = yes && test "$atomic128" = no; then
5443   cat > $TMPC << EOF
5444 int main(void)
5445 {
5446   unsigned __int128 x = 0, y = 0;
5447   __sync_val_compare_and_swap_16(&x, y, x);
5448   return 0;
5449 }
5450 EOF
5451   if compile_prog "" "" ; then
5452     cmpxchg128=yes
5453   fi
5454 fi
5455
5456 #########################################
5457 # See if 64-bit atomic operations are supported.
5458 # Note that without __atomic builtins, we can only
5459 # assume atomic loads/stores max at pointer size.
5460
5461 cat > $TMPC << EOF
5462 #include <stdint.h>
5463 int main(void)
5464 {
5465   uint64_t x = 0, y = 0;
5466 #ifdef __ATOMIC_RELAXED
5467   y = __atomic_load_8(&x, 0);
5468   __atomic_store_8(&x, y, 0);
5469   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5470   __atomic_exchange_8(&x, y, 0);
5471   __atomic_fetch_add_8(&x, y, 0);
5472 #else
5473   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5474   __sync_lock_test_and_set(&x, y);
5475   __sync_val_compare_and_swap(&x, y, 0);
5476   __sync_fetch_and_add(&x, y);
5477 #endif
5478   return 0;
5479 }
5480 EOF
5481 if compile_prog "" "" ; then
5482   atomic64=yes
5483 fi
5484
5485 ########################################
5486 # See if 16-byte vector operations are supported.
5487 # Even without a vector unit the compiler may expand these.
5488 # There is a bug in old GCC for PPC that crashes here.
5489 # Unfortunately it's the system compiler for Centos 7.
5490
5491 cat > $TMPC << EOF
5492 typedef unsigned char U1 __attribute__((vector_size(16)));
5493 typedef unsigned short U2 __attribute__((vector_size(16)));
5494 typedef unsigned int U4 __attribute__((vector_size(16)));
5495 typedef unsigned long long U8 __attribute__((vector_size(16)));
5496 typedef signed char S1 __attribute__((vector_size(16)));
5497 typedef signed short S2 __attribute__((vector_size(16)));
5498 typedef signed int S4 __attribute__((vector_size(16)));
5499 typedef signed long long S8 __attribute__((vector_size(16)));
5500 static U1 a1, b1;
5501 static U2 a2, b2;
5502 static U4 a4, b4;
5503 static U8 a8, b8;
5504 static S1 c1;
5505 static S2 c2;
5506 static S4 c4;
5507 static S8 c8;
5508 static int i;
5509 void helper(void *d, void *a, int shift, int i);
5510 void helper(void *d, void *a, int shift, int i)
5511 {
5512   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5513   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5514   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5515   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5516 }
5517 int main(void)
5518 {
5519   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5520   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5521   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5522   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5523   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5524   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5525   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5526   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5527   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5528   return 0;
5529 }
5530 EOF
5531
5532 vector16=no
5533 if compile_prog "" "" ; then
5534   vector16=yes
5535 fi
5536
5537 ########################################
5538 # check if getauxval is available.
5539
5540 getauxval=no
5541 cat > $TMPC << EOF
5542 #include <sys/auxv.h>
5543 int main(void) {
5544   return getauxval(AT_HWCAP) == 0;
5545 }
5546 EOF
5547 if compile_prog "" "" ; then
5548     getauxval=yes
5549 fi
5550
5551 ########################################
5552 # check if ccache is interfering with
5553 # semantic analysis of macros
5554
5555 unset CCACHE_CPP2
5556 ccache_cpp2=no
5557 cat > $TMPC << EOF
5558 static const int Z = 1;
5559 #define fn() ({ Z; })
5560 #define TAUT(X) ((X) == Z)
5561 #define PAREN(X, Y) (X == Y)
5562 #define ID(X) (X)
5563 int main(int argc, char *argv[])
5564 {
5565     int x = 0, y = 0;
5566     x = ID(x);
5567     x = fn();
5568     fn();
5569     if (PAREN(x, y)) return 0;
5570     if (TAUT(Z)) return 0;
5571     return 0;
5572 }
5573 EOF
5574
5575 if ! compile_object "-Werror"; then
5576     ccache_cpp2=yes
5577 fi
5578
5579 #################################################
5580 # clang does not support glibc + FORTIFY_SOURCE.
5581
5582 if test "$fortify_source" != "no"; then
5583   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5584     fortify_source="no";
5585   elif test -n "$cxx" && has $cxx &&
5586        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5587     fortify_source="no";
5588   else
5589     fortify_source="yes"
5590   fi
5591 fi
5592
5593 ###############################################
5594 # Check if copy_file_range is provided by glibc
5595 have_copy_file_range=no
5596 cat > $TMPC << EOF
5597 #include <unistd.h>
5598 int main(void) {
5599   copy_file_range(0, NULL, 0, NULL, 0, 0);
5600   return 0;
5601 }
5602 EOF
5603 if compile_prog "" "" ; then
5604     have_copy_file_range=yes
5605 fi
5606
5607 ##########################################
5608 # check if struct fsxattr is available via linux/fs.h
5609
5610 have_fsxattr=no
5611 cat > $TMPC << EOF
5612 #include <linux/fs.h>
5613 struct fsxattr foo;
5614 int main(void) {
5615   return 0;
5616 }
5617 EOF
5618 if compile_prog "" "" ; then
5619     have_fsxattr=yes
5620 fi
5621
5622 ##########################################
5623 # check for usable membarrier system call
5624 if test "$membarrier" = "yes"; then
5625     have_membarrier=no
5626     if test "$mingw32" = "yes" ; then
5627         have_membarrier=yes
5628     elif test "$linux" = "yes" ; then
5629         cat > $TMPC << EOF
5630     #include <linux/membarrier.h>
5631     #include <sys/syscall.h>
5632     #include <unistd.h>
5633     #include <stdlib.h>
5634     int main(void) {
5635         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5636         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5637         exit(0);
5638     }
5639 EOF
5640         if compile_prog "" "" ; then
5641             have_membarrier=yes
5642         fi
5643     fi
5644     if test "$have_membarrier" = "no"; then
5645       feature_not_found "membarrier" "membarrier system call not available"
5646     fi
5647 else
5648     # Do not enable it by default even for Mingw32, because it doesn't
5649     # work on Wine.
5650     membarrier=no
5651 fi
5652
5653 ##########################################
5654 # check if rtnetlink.h exists and is useful
5655 have_rtnetlink=no
5656 cat > $TMPC << EOF
5657 #include <linux/rtnetlink.h>
5658 int main(void) {
5659   return IFLA_PROTO_DOWN;
5660 }
5661 EOF
5662 if compile_prog "" "" ; then
5663     have_rtnetlink=yes
5664 fi
5665
5666 ##########################################
5667 # check for usable AF_VSOCK environment
5668 have_af_vsock=no
5669 cat > $TMPC << EOF
5670 #include <errno.h>
5671 #include <sys/types.h>
5672 #include <sys/socket.h>
5673 #if !defined(AF_VSOCK)
5674 # error missing AF_VSOCK flag
5675 #endif
5676 #include <linux/vm_sockets.h>
5677 int main(void) {
5678     int sock, ret;
5679     struct sockaddr_vm svm;
5680     socklen_t len = sizeof(svm);
5681     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5682     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5683     if ((ret == -1) && (errno == ENOTCONN)) {
5684         return 0;
5685     }
5686     return -1;
5687 }
5688 EOF
5689 if compile_prog "" "" ; then
5690     have_af_vsock=yes
5691 fi
5692
5693 ##########################################
5694 # check for usable AF_ALG environment
5695 hava_afalg=no
5696 cat > $TMPC << EOF
5697 #include <errno.h>
5698 #include <sys/types.h>
5699 #include <sys/socket.h>
5700 #include <linux/if_alg.h>
5701 int main(void) {
5702     int sock;
5703     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5704     return sock;
5705 }
5706 EOF
5707 if compile_prog "" "" ; then
5708     have_afalg=yes
5709 fi
5710 if test "$crypto_afalg" = "yes"
5711 then
5712     if test "$have_afalg" != "yes"
5713     then
5714         error_exit "AF_ALG requested but could not be detected"
5715     fi
5716 fi
5717
5718
5719 #################################################
5720 # Check to see if we have the Hypervisor framework
5721 if [ "$darwin" = "yes" ] ; then
5722   cat > $TMPC << EOF
5723 #include <Hypervisor/hv.h>
5724 int main() { return 0;}
5725 EOF
5726   if ! compile_object ""; then
5727     hvf='no'
5728   else
5729     hvf='yes'
5730     LDFLAGS="-framework Hypervisor $LDFLAGS"
5731   fi
5732 fi
5733
5734 #################################################
5735 # Sparc implicitly links with --relax, which is
5736 # incompatible with -r, so --no-relax should be
5737 # given. It does no harm to give it on other
5738 # platforms too.
5739
5740 # Note: the prototype is needed since QEMU_CFLAGS
5741 #       contains -Wmissing-prototypes
5742 cat > $TMPC << EOF
5743 extern int foo(void);
5744 int foo(void) { return 0; }
5745 EOF
5746 if ! compile_object ""; then
5747   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5748 fi
5749 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5750   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5751     LD_REL_FLAGS=$i
5752     break
5753   fi
5754 done
5755 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5756   feature_not_found "modules" "Cannot find how to build relocatable objects"
5757 fi
5758
5759 ##########################################
5760 # check for sysmacros.h
5761
5762 have_sysmacros=no
5763 cat > $TMPC << EOF
5764 #include <sys/sysmacros.h>
5765 int main(void) {
5766     return makedev(0, 0);
5767 }
5768 EOF
5769 if compile_prog "" "" ; then
5770     have_sysmacros=yes
5771 fi
5772
5773 ##########################################
5774 # Veritas HyperScale block driver VxHS
5775 # Check if libvxhs is installed
5776
5777 if test "$vxhs" != "no" ; then
5778   cat > $TMPC <<EOF
5779 #include <stdint.h>
5780 #include <qnio/qnio_api.h>
5781
5782 void *vxhs_callback;
5783
5784 int main(void) {
5785     iio_init(QNIO_VERSION, vxhs_callback);
5786     return 0;
5787 }
5788 EOF
5789   vxhs_libs="-lvxhs -lssl"
5790   if compile_prog "" "$vxhs_libs" ; then
5791     vxhs=yes
5792   else
5793     if test "$vxhs" = "yes" ; then
5794       feature_not_found "vxhs block device" "Install libvxhs See github"
5795     fi
5796     vxhs=no
5797   fi
5798 fi
5799
5800 ##########################################
5801 # check for _Static_assert()
5802
5803 have_static_assert=no
5804 cat > $TMPC << EOF
5805 _Static_assert(1, "success");
5806 int main(void) {
5807     return 0;
5808 }
5809 EOF
5810 if compile_prog "" "" ; then
5811     have_static_assert=yes
5812 fi
5813
5814 ##########################################
5815 # check for utmpx.h, it is missing e.g. on OpenBSD
5816
5817 have_utmpx=no
5818 cat > $TMPC << EOF
5819 #include <utmpx.h>
5820 struct utmpx user_info;
5821 int main(void) {
5822     return 0;
5823 }
5824 EOF
5825 if compile_prog "" "" ; then
5826     have_utmpx=yes
5827 fi
5828
5829 ##########################################
5830 # check for getrandom()
5831
5832 have_getrandom=no
5833 cat > $TMPC << EOF
5834 #include <sys/random.h>
5835 int main(void) {
5836     return getrandom(0, 0, GRND_NONBLOCK);
5837 }
5838 EOF
5839 if compile_prog "" "" ; then
5840     have_getrandom=yes
5841 fi
5842
5843 ##########################################
5844 # checks for sanitizers
5845
5846 have_asan=no
5847 have_ubsan=no
5848 have_asan_iface_h=no
5849 have_asan_iface_fiber=no
5850
5851 if test "$sanitizers" = "yes" ; then
5852   write_c_skeleton
5853   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5854       have_asan=yes
5855   fi
5856
5857   # we could use a simple skeleton for flags checks, but this also
5858   # detect the static linking issue of ubsan, see also:
5859   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5860   cat > $TMPC << EOF
5861 #include <stdlib.h>
5862 int main(void) {
5863     void *tmp = malloc(10);
5864     return *(int *)(tmp + 2);
5865 }
5866 EOF
5867   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5868       have_ubsan=yes
5869   fi
5870
5871   if check_include "sanitizer/asan_interface.h" ; then
5872       have_asan_iface_h=yes
5873   fi
5874
5875   cat > $TMPC << EOF
5876 #include <sanitizer/asan_interface.h>
5877 int main(void) {
5878   __sanitizer_start_switch_fiber(0, 0, 0);
5879   return 0;
5880 }
5881 EOF
5882   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5883       have_asan_iface_fiber=yes
5884   fi
5885 fi
5886
5887 ##########################################
5888 # Docker and cross-compiler support
5889 #
5890 # This is specifically for building test
5891 # cases for foreign architectures, not
5892 # cross-compiling QEMU itself.
5893
5894 if has "docker"; then
5895     docker=$($python $source_path/tests/docker/docker.py probe)
5896 fi
5897
5898 ##########################################
5899 # check for libpmem
5900
5901 if test "$libpmem" != "no"; then
5902         if $pkg_config --exists "libpmem"; then
5903                 libpmem="yes"
5904                 libpmem_libs=$($pkg_config --libs libpmem)
5905                 libpmem_cflags=$($pkg_config --cflags libpmem)
5906                 libs_softmmu="$libs_softmmu $libpmem_libs"
5907                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5908         else
5909                 if test "$libpmem" = "yes" ; then
5910                         feature_not_found "libpmem" "Install nvml or pmdk"
5911                 fi
5912                 libpmem="no"
5913         fi
5914 fi
5915
5916 ##########################################
5917 # check for slirp
5918
5919 case "$slirp" in
5920   "" | yes)
5921     if $pkg_config slirp; then
5922       slirp=system
5923     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5924       slirp=git
5925     elif test -e "${source_path}/slirp/Makefile" ; then
5926       slirp=internal
5927     elif test -z "$slirp" ; then
5928       slirp=no
5929     else
5930       feature_not_found "slirp" "Install slirp devel or git submodule"
5931     fi
5932     ;;
5933
5934   system)
5935     if ! $pkg_config slirp; then
5936       feature_not_found "slirp" "Install slirp devel"
5937     fi
5938     ;;
5939 esac
5940
5941 case "$slirp" in
5942   git | internal)
5943     if test "$slirp" = git; then
5944       git_submodules="${git_submodules} slirp"
5945     fi
5946     mkdir -p slirp
5947     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
5948     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
5949     ;;
5950
5951   system)
5952     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
5953     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
5954     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
5955     ;;
5956
5957   no)
5958     ;;
5959   *)
5960     error_exit "Unknown state for slirp: $slirp"
5961     ;;
5962 esac
5963
5964
5965 ##########################################
5966 # End of CC checks
5967 # After here, no more $cc or $ld runs
5968
5969 write_c_skeleton
5970
5971 if test "$gcov" = "yes" ; then
5972   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5973   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5974 elif test "$fortify_source" = "yes" ; then
5975   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5976 elif test "$debug" = "no"; then
5977   CFLAGS="-O2 $CFLAGS"
5978 fi
5979
5980 if test "$have_asan" = "yes"; then
5981   CFLAGS="-fsanitize=address $CFLAGS"
5982   if test "$have_asan_iface_h" = "no" ; then
5983       echo "ASAN build enabled, but ASAN header missing." \
5984            "Without code annotation, the report may be inferior."
5985   elif test "$have_asan_iface_fiber" = "no" ; then
5986       echo "ASAN build enabled, but ASAN header is too old." \
5987            "Without code annotation, the report may be inferior."
5988   fi
5989 fi
5990 if test "$have_ubsan" = "yes"; then
5991   CFLAGS="-fsanitize=undefined $CFLAGS"
5992 fi
5993
5994 ##########################################
5995 # Do we have libnfs
5996 if test "$libnfs" != "no" ; then
5997   if $pkg_config --atleast-version=1.9.3 libnfs; then
5998     libnfs="yes"
5999     libnfs_libs=$($pkg_config --libs libnfs)
6000   else
6001     if test "$libnfs" = "yes" ; then
6002       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6003     fi
6004     libnfs="no"
6005   fi
6006 fi
6007
6008 ##########################################
6009 # Do we have libudev
6010 if test "$libudev" != "no" ; then
6011   if $pkg_config libudev && test "$static" != "yes"; then
6012     libudev="yes"
6013     libudev_libs=$($pkg_config --libs libudev)
6014   else
6015     libudev="no"
6016   fi
6017 fi
6018
6019 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6020 if test "$werror" = "yes"; then
6021     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6022 fi
6023
6024 if test "$solaris" = "no" ; then
6025     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6026         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6027     fi
6028 fi
6029
6030 # test if pod2man has --utf8 option
6031 if pod2man --help | grep -q utf8; then
6032     POD2MAN="pod2man --utf8"
6033 else
6034     POD2MAN="pod2man"
6035 fi
6036
6037 # Use ASLR, no-SEH and DEP if available
6038 if test "$mingw32" = "yes" ; then
6039     for flag in --dynamicbase --no-seh --nxcompat; do
6040         if ld_has $flag ; then
6041             LDFLAGS="-Wl,$flag $LDFLAGS"
6042         fi
6043     done
6044 fi
6045
6046 # Disable OpenBSD W^X if available
6047 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6048     cat > $TMPC <<EOF
6049     int main(void) { return 0; }
6050 EOF
6051     wx_ldflags="-Wl,-z,wxneeded"
6052     if compile_prog "" "$wx_ldflags"; then
6053         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6054     fi
6055 fi
6056
6057 qemu_confdir=$sysconfdir$confsuffix
6058 qemu_moddir=$libdir$confsuffix
6059 qemu_datadir=$datadir$confsuffix
6060 qemu_localedir="$datadir/locale"
6061 qemu_icondir="$datadir/icons"
6062 qemu_desktopdir="$datadir/applications"
6063
6064 # We can only support ivshmem if we have eventfd
6065 if [ "$eventfd" = "yes" ]; then
6066   ivshmem=yes
6067 fi
6068
6069 tools=""
6070 if test "$want_tools" = "yes" ; then
6071   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6072   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6073     tools="qemu-nbd\$(EXESUF) $tools"
6074   fi
6075   if [ "$ivshmem" = "yes" ]; then
6076     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6077   fi
6078   if [ "$curl" = "yes" ]; then
6079       tools="elf2dmp\$(EXESUF) $tools"
6080   fi
6081 fi
6082 if test "$softmmu" = yes ; then
6083   if test "$linux" = yes; then
6084     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
6085       virtfs=yes
6086       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6087     else
6088       if test "$virtfs" = yes; then
6089         error_exit "VirtFS requires libcap devel and libattr devel"
6090       fi
6091       virtfs=no
6092     fi
6093     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6094       mpath=yes
6095     else
6096       if test "$mpath" = yes; then
6097         error_exit "Multipath requires libmpathpersist devel"
6098       fi
6099       mpath=no
6100     fi
6101     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6102   else
6103     if test "$virtfs" = yes; then
6104       error_exit "VirtFS is supported only on Linux"
6105     fi
6106     virtfs=no
6107     if test "$mpath" = yes; then
6108       error_exit "Multipath is supported only on Linux"
6109     fi
6110     mpath=no
6111   fi
6112   if test "$xkbcommon" = "yes"; then
6113     tools="qemu-keymap\$(EXESUF) $tools"
6114   fi
6115 fi
6116
6117 # Probe for guest agent support/options
6118
6119 if [ "$guest_agent" != "no" ]; then
6120   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6121       guest_agent=no
6122   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6123       tools="qemu-ga $tools"
6124       guest_agent=yes
6125   elif [ "$guest_agent" != yes ]; then
6126       guest_agent=no
6127   else
6128       error_exit "Guest agent is not supported on this platform"
6129   fi
6130 fi
6131
6132 # Guest agent Window MSI  package
6133
6134 if test "$guest_agent" != yes; then
6135   if test "$guest_agent_msi" = yes; then
6136     error_exit "MSI guest agent package requires guest agent enabled"
6137   fi
6138   guest_agent_msi=no
6139 elif test "$mingw32" != "yes"; then
6140   if test "$guest_agent_msi" = "yes"; then
6141     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6142   fi
6143   guest_agent_msi=no
6144 elif ! has wixl; then
6145   if test "$guest_agent_msi" = "yes"; then
6146     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6147   fi
6148   guest_agent_msi=no
6149 else
6150   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6151   # disabled explicitly
6152   if test "$guest_agent_msi" != "no"; then
6153     guest_agent_msi=yes
6154   fi
6155 fi
6156
6157 if test "$guest_agent_msi" = "yes"; then
6158   if test "$guest_agent_with_vss" = "yes"; then
6159     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6160   fi
6161
6162   if test "$QEMU_GA_MANUFACTURER" = ""; then
6163     QEMU_GA_MANUFACTURER=QEMU
6164   fi
6165
6166   if test "$QEMU_GA_DISTRO" = ""; then
6167     QEMU_GA_DISTRO=Linux
6168   fi
6169
6170   if test "$QEMU_GA_VERSION" = ""; then
6171       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6172   fi
6173
6174   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6175
6176   case "$cpu" in
6177   x86_64)
6178     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6179     ;;
6180   i386)
6181     QEMU_GA_MSI_ARCH="-D Arch=32"
6182     ;;
6183   *)
6184     error_exit "CPU $cpu not supported for building installation package"
6185     ;;
6186   esac
6187 fi
6188
6189 # Mac OS X ships with a broken assembler
6190 roms=
6191 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6192         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6193         test "$softmmu" = yes ; then
6194     # Different host OS linkers have different ideas about the name of the ELF
6195     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6196     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6197     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6198         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6199             ld_i386_emulation="$emu"
6200             roms="optionrom"
6201             break
6202         fi
6203     done
6204 fi
6205 if test "$ARCH" = "ppc64" && test "$targetos" != "Darwin" ; then
6206   roms="$roms spapr-rtas"
6207 fi
6208
6209 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6210 if test "$cpu" = "s390x" ; then
6211   write_c_skeleton
6212   if compile_prog "-march=z900" ""; then
6213     roms="$roms s390-ccw"
6214   fi
6215 fi
6216
6217 # Probe for the need for relocating the user-only binary.
6218 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6219   textseg_addr=
6220   case "$cpu" in
6221     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6222       # ??? Rationale for choosing this address
6223       textseg_addr=0x60000000
6224       ;;
6225     mips)
6226       # A 256M aligned address, high in the address space, with enough
6227       # room for the code_gen_buffer above it before the stack.
6228       textseg_addr=0x60000000
6229       ;;
6230   esac
6231   if [ -n "$textseg_addr" ]; then
6232     cat > $TMPC <<EOF
6233     int main(void) { return 0; }
6234 EOF
6235     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6236     if ! compile_prog "" "$textseg_ldflags"; then
6237       # In case ld does not support -Ttext-segment, edit the default linker
6238       # script via sed to set the .text start addr.  This is needed on FreeBSD
6239       # at least.
6240       if ! $ld --verbose >/dev/null 2>&1; then
6241         error_exit \
6242             "We need to link the QEMU user mode binaries at a" \
6243             "specific text address. Unfortunately your linker" \
6244             "doesn't support either the -Ttext-segment option or" \
6245             "printing the default linker script with --verbose." \
6246             "If you don't want the user mode binaries, pass the" \
6247             "--disable-user option to configure."
6248       fi
6249
6250       $ld --verbose | sed \
6251         -e '1,/==================================================/d' \
6252         -e '/==================================================/,$d' \
6253         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6254         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6255       textseg_ldflags="-Wl,-T../config-host.ld"
6256     fi
6257   fi
6258 fi
6259
6260 # Check that the C++ compiler exists and works with the C compiler.
6261 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6262 if has $cxx; then
6263     cat > $TMPC <<EOF
6264 int c_function(void);
6265 int main(void) { return c_function(); }
6266 EOF
6267
6268     compile_object
6269
6270     cat > $TMPCXX <<EOF
6271 extern "C" {
6272    int c_function(void);
6273 }
6274 int c_function(void) { return 42; }
6275 EOF
6276
6277     update_cxxflags
6278
6279     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6280         # C++ compiler $cxx works ok with C compiler $cc
6281         :
6282     else
6283         echo "C++ compiler $cxx does not work with C compiler $cc"
6284         echo "Disabling C++ specific optional code"
6285         cxx=
6286     fi
6287 else
6288     echo "No C++ compiler available; disabling C++ specific optional code"
6289     cxx=
6290 fi
6291
6292 echo_version() {
6293     if test "$1" = "yes" ; then
6294         echo "($2)"
6295     fi
6296 }
6297
6298 # prepend pixman and ftd flags after all config tests are done
6299 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6300 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6301 libs_softmmu="$pixman_libs $libs_softmmu"
6302
6303 echo "Install prefix    $prefix"
6304 echo "BIOS directory    $(eval echo $qemu_datadir)"
6305 echo "firmware path     $(eval echo $firmwarepath)"
6306 echo "binary directory  $(eval echo $bindir)"
6307 echo "library directory $(eval echo $libdir)"
6308 echo "module directory  $(eval echo $qemu_moddir)"
6309 echo "libexec directory $(eval echo $libexecdir)"
6310 echo "include directory $(eval echo $includedir)"
6311 echo "config directory  $(eval echo $sysconfdir)"
6312 if test "$mingw32" = "no" ; then
6313 echo "local state directory   $(eval echo $local_statedir)"
6314 echo "Manual directory  $(eval echo $mandir)"
6315 echo "ELF interp prefix $interp_prefix"
6316 else
6317 echo "local state directory   queried at runtime"
6318 echo "Windows SDK       $win_sdk"
6319 fi
6320 echo "Source path       $source_path"
6321 echo "GIT binary        $git"
6322 echo "GIT submodules    $git_submodules"
6323 echo "C compiler        $cc"
6324 echo "Host C compiler   $host_cc"
6325 echo "C++ compiler      $cxx"
6326 echo "Objective-C compiler $objcc"
6327 echo "ARFLAGS           $ARFLAGS"
6328 echo "CFLAGS            $CFLAGS"
6329 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6330 echo "LDFLAGS           $LDFLAGS"
6331 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6332 echo "make              $make"
6333 echo "install           $install"
6334 echo "python            $python ($python_version)"
6335 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6336 if test "$slirp" != "no" ; then
6337     echo "smbd              $smbd"
6338 fi
6339 echo "module support    $modules"
6340 echo "host CPU          $cpu"
6341 echo "host big endian   $bigendian"
6342 echo "target list       $target_list"
6343 echo "gprof enabled     $gprof"
6344 echo "sparse enabled    $sparse"
6345 echo "strip binaries    $strip_opt"
6346 echo "profiler          $profiler"
6347 echo "static build      $static"
6348 if test "$darwin" = "yes" ; then
6349     echo "Cocoa support     $cocoa"
6350 fi
6351 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6352 echo "SDL image support $sdl_image"
6353 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6354 echo "GTK GL support    $gtk_gl"
6355 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6356 echo "TLS priority      $tls_priority"
6357 echo "GNUTLS support    $gnutls"
6358 echo "libgcrypt         $gcrypt"
6359 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6360 echo "libtasn1          $tasn1"
6361 echo "PAM               $auth_pam"
6362 echo "iconv support     $iconv"
6363 echo "curses support    $curses"
6364 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6365 echo "curl support      $curl"
6366 echo "mingw32 support   $mingw32"
6367 echo "Audio drivers     $audio_drv_list"
6368 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6369 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6370 echo "VirtFS support    $virtfs"
6371 echo "Multipath support $mpath"
6372 echo "VNC support       $vnc"
6373 if test "$vnc" = "yes" ; then
6374     echo "VNC SASL support  $vnc_sasl"
6375     echo "VNC JPEG support  $vnc_jpeg"
6376     echo "VNC PNG support   $vnc_png"
6377 fi
6378 if test -n "$sparc_cpu"; then
6379     echo "Target Sparc Arch $sparc_cpu"
6380 fi
6381 echo "xen support       $xen"
6382 if test "$xen" = "yes" ; then
6383   echo "xen ctrl version  $xen_ctrl_version"
6384 fi
6385 echo "brlapi support    $brlapi"
6386 echo "bluez  support    $bluez"
6387 echo "Documentation     $docs"
6388 echo "PIE               $pie"
6389 echo "vde support       $vde"
6390 echo "netmap support    $netmap"
6391 echo "Linux AIO support $linux_aio"
6392 echo "ATTR/XATTR support $attr"
6393 echo "Install blobs     $blobs"
6394 echo "KVM support       $kvm"
6395 echo "HAX support       $hax"
6396 echo "HVF support       $hvf"
6397 echo "WHPX support      $whpx"
6398 echo "TCG support       $tcg"
6399 if test "$tcg" = "yes" ; then
6400     echo "TCG debug enabled $debug_tcg"
6401     echo "TCG interpreter   $tcg_interpreter"
6402 fi
6403 echo "malloc trim support $malloc_trim"
6404 echo "RDMA support      $rdma"
6405 echo "PVRDMA support    $pvrdma"
6406 echo "fdt support       $fdt"
6407 echo "membarrier        $membarrier"
6408 echo "preadv support    $preadv"
6409 echo "fdatasync         $fdatasync"
6410 echo "madvise           $madvise"
6411 echo "posix_madvise     $posix_madvise"
6412 echo "posix_memalign    $posix_memalign"
6413 echo "libcap-ng support $cap_ng"
6414 echo "vhost-net support $vhost_net"
6415 echo "vhost-crypto support $vhost_crypto"
6416 echo "vhost-scsi support $vhost_scsi"
6417 echo "vhost-vsock support $vhost_vsock"
6418 echo "vhost-user support $vhost_user"
6419 echo "Trace backends    $trace_backends"
6420 if have_backend "simple"; then
6421 echo "Trace output file $trace_file-<pid>"
6422 fi
6423 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6424 echo "rbd support       $rbd"
6425 echo "xfsctl support    $xfs"
6426 echo "smartcard support $smartcard"
6427 echo "libusb            $libusb"
6428 echo "usb net redir     $usb_redir"
6429 echo "OpenGL support    $opengl"
6430 echo "OpenGL dmabufs    $opengl_dmabuf"
6431 echo "libiscsi support  $libiscsi"
6432 echo "libnfs support    $libnfs"
6433 echo "build guest agent $guest_agent"
6434 echo "QGA VSS support   $guest_agent_with_vss"
6435 echo "QGA w32 disk info $guest_agent_ntddscsi"
6436 echo "QGA MSI support   $guest_agent_msi"
6437 echo "seccomp support   $seccomp"
6438 echo "coroutine backend $coroutine"
6439 echo "coroutine pool    $coroutine_pool"
6440 echo "debug stack usage $debug_stack_usage"
6441 echo "mutex debugging   $debug_mutex"
6442 echo "crypto afalg      $crypto_afalg"
6443 echo "GlusterFS support $glusterfs"
6444 echo "gcov              $gcov_tool"
6445 echo "gcov enabled      $gcov"
6446 echo "TPM support       $tpm"
6447 echo "libssh2 support   $libssh2"
6448 echo "TPM passthrough   $tpm_passthrough"
6449 echo "TPM emulator      $tpm_emulator"
6450 echo "QOM debugging     $qom_cast_debug"
6451 echo "Live block migration $live_block_migration"
6452 echo "lzo support       $lzo"
6453 echo "snappy support    $snappy"
6454 echo "bzip2 support     $bzip2"
6455 echo "lzfse support     $lzfse"
6456 echo "NUMA host support $numa"
6457 echo "libxml2           $libxml2"
6458 echo "tcmalloc support  $tcmalloc"
6459 echo "jemalloc support  $jemalloc"
6460 echo "avx2 optimization $avx2_opt"
6461 echo "replication support $replication"
6462 echo "VxHS block device $vxhs"
6463 echo "bochs support     $bochs"
6464 echo "cloop support     $cloop"
6465 echo "dmg support       $dmg"
6466 echo "qcow v1 support   $qcow1"
6467 echo "vdi support       $vdi"
6468 echo "vvfat support     $vvfat"
6469 echo "qed support       $qed"
6470 echo "parallels support $parallels"
6471 echo "sheepdog support  $sheepdog"
6472 echo "capstone          $capstone"
6473 echo "docker            $docker"
6474 echo "libpmem support   $libpmem"
6475 echo "libudev           $libudev"
6476 echo "default devices   $default_devices"
6477
6478 if test "$supported_cpu" = "no"; then
6479     echo
6480     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6481     echo
6482     echo "CPU host architecture $cpu support is not currently maintained."
6483     echo "The QEMU project intends to remove support for this host CPU in"
6484     echo "a future release if nobody volunteers to maintain it and to"
6485     echo "provide a build host for our continuous integration setup."
6486     echo "configure has succeeded and you can continue to build, but"
6487     echo "if you care about QEMU on this platform you should contact"
6488     echo "us upstream at qemu-devel@nongnu.org."
6489 fi
6490
6491 if test "$supported_os" = "no"; then
6492     echo
6493     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6494     echo
6495     echo "Host OS $targetos support is not currently maintained."
6496     echo "The QEMU project intends to remove support for this host OS in"
6497     echo "a future release if nobody volunteers to maintain it and to"
6498     echo "provide a build host for our continuous integration setup."
6499     echo "configure has succeeded and you can continue to build, but"
6500     echo "if you care about QEMU on this platform you should contact"
6501     echo "us upstream at qemu-devel@nongnu.org."
6502 fi
6503
6504 config_host_mak="config-host.mak"
6505
6506 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6507
6508 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6509 echo >> $config_host_mak
6510
6511 echo all: >> $config_host_mak
6512 echo "prefix=$prefix" >> $config_host_mak
6513 echo "bindir=$bindir" >> $config_host_mak
6514 echo "libdir=$libdir" >> $config_host_mak
6515 echo "libexecdir=$libexecdir" >> $config_host_mak
6516 echo "includedir=$includedir" >> $config_host_mak
6517 echo "mandir=$mandir" >> $config_host_mak
6518 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6519 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6520 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6521 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6522 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6523 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6524 if test "$mingw32" = "no" ; then
6525   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6526 fi
6527 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6528 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6529 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6530 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6531 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6532 echo "GIT=$git" >> $config_host_mak
6533 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6534 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6535
6536 echo "ARCH=$ARCH" >> $config_host_mak
6537
6538 if test "$default_devices" = "yes" ; then
6539   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6540 else
6541   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6542 fi
6543 if test "$debug_tcg" = "yes" ; then
6544   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6545 fi
6546 if test "$strip_opt" = "yes" ; then
6547   echo "STRIP=${strip}" >> $config_host_mak
6548 fi
6549 if test "$bigendian" = "yes" ; then
6550   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6551 fi
6552 if test "$mingw32" = "yes" ; then
6553   echo "CONFIG_WIN32=y" >> $config_host_mak
6554   rc_version=$(cat $source_path/VERSION)
6555   version_major=${rc_version%%.*}
6556   rc_version=${rc_version#*.}
6557   version_minor=${rc_version%%.*}
6558   rc_version=${rc_version#*.}
6559   version_subminor=${rc_version%%.*}
6560   version_micro=0
6561   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6562   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6563   if test "$guest_agent_with_vss" = "yes" ; then
6564     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6565     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6566     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6567   fi
6568   if test "$guest_agent_ntddscsi" = "yes" ; then
6569     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6570   fi
6571   if test "$guest_agent_msi" = "yes"; then
6572     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6573     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6574     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6575     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6576     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6577     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6578     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6579   fi
6580 else
6581   echo "CONFIG_POSIX=y" >> $config_host_mak
6582 fi
6583
6584 if test "$linux" = "yes" ; then
6585   echo "CONFIG_LINUX=y" >> $config_host_mak
6586 fi
6587
6588 if test "$darwin" = "yes" ; then
6589   echo "CONFIG_DARWIN=y" >> $config_host_mak
6590 fi
6591
6592 if test "$solaris" = "yes" ; then
6593   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6594 fi
6595 if test "$haiku" = "yes" ; then
6596   echo "CONFIG_HAIKU=y" >> $config_host_mak
6597 fi
6598 if test "$static" = "yes" ; then
6599   echo "CONFIG_STATIC=y" >> $config_host_mak
6600 fi
6601 if test "$profiler" = "yes" ; then
6602   echo "CONFIG_PROFILER=y" >> $config_host_mak
6603 fi
6604 if test "$slirp" != "no"; then
6605   echo "CONFIG_SLIRP=y" >> $config_host_mak
6606   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6607   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6608   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6609 fi
6610 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6611     echo "config-host.h: subdir-slirp" >> $config_host_mak
6612 fi
6613 if test "$vde" = "yes" ; then
6614   echo "CONFIG_VDE=y" >> $config_host_mak
6615   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6616 fi
6617 if test "$netmap" = "yes" ; then
6618   echo "CONFIG_NETMAP=y" >> $config_host_mak
6619 fi
6620 if test "$l2tpv3" = "yes" ; then
6621   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6622 fi
6623 if test "$cap_ng" = "yes" ; then
6624   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6625 fi
6626 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6627 for drv in $audio_drv_list; do
6628     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6629     case "$drv" in
6630         alsa | oss | pa | sdl)
6631             echo "$def=m" >> $config_host_mak ;;
6632         *)
6633             echo "$def=y" >> $config_host_mak ;;
6634     esac
6635 done
6636 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6637 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6638 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6639 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6640 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6641 if test "$audio_pt_int" = "yes" ; then
6642   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6643 fi
6644 if test "$audio_win_int" = "yes" ; then
6645   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6646 fi
6647 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6648 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6649 if test "$vnc" = "yes" ; then
6650   echo "CONFIG_VNC=y" >> $config_host_mak
6651 fi
6652 if test "$vnc_sasl" = "yes" ; then
6653   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6654 fi
6655 if test "$vnc_jpeg" = "yes" ; then
6656   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6657 fi
6658 if test "$vnc_png" = "yes" ; then
6659   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6660 fi
6661 if test "$xkbcommon" = "yes" ; then
6662   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6663   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6664 fi
6665 if test "$xfs" = "yes" ; then
6666   echo "CONFIG_XFS=y" >> $config_host_mak
6667 fi
6668 qemu_version=$(head $source_path/VERSION)
6669 echo "VERSION=$qemu_version" >>$config_host_mak
6670 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6671 echo "SRC_PATH=$source_path" >> $config_host_mak
6672 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6673 if [ "$docs" = "yes" ] ; then
6674   echo "BUILD_DOCS=yes" >> $config_host_mak
6675 fi
6676 if test "$modules" = "yes"; then
6677   # $shacmd can generate a hash started with digit, which the compiler doesn't
6678   # like as an symbol. So prefix it with an underscore
6679   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6680   echo "CONFIG_MODULES=y" >> $config_host_mak
6681 fi
6682 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6683   echo "CONFIG_X11=y" >> $config_host_mak
6684   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6685   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6686 fi
6687 if test "$sdl" = "yes" ; then
6688   echo "CONFIG_SDL=m" >> $config_host_mak
6689   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6690   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6691   if test "$sdl_image" = "yes" ; then
6692       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6693   fi
6694 fi
6695 if test "$cocoa" = "yes" ; then
6696   echo "CONFIG_COCOA=y" >> $config_host_mak
6697 fi
6698 if test "$iconv" = "yes" ; then
6699   echo "CONFIG_ICONV=y" >> $config_host_mak
6700   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6701   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6702 fi
6703 if test "$curses" = "yes" ; then
6704   echo "CONFIG_CURSES=m" >> $config_host_mak
6705   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6706   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6707 fi
6708 if test "$pipe2" = "yes" ; then
6709   echo "CONFIG_PIPE2=y" >> $config_host_mak
6710 fi
6711 if test "$accept4" = "yes" ; then
6712   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6713 fi
6714 if test "$splice" = "yes" ; then
6715   echo "CONFIG_SPLICE=y" >> $config_host_mak
6716 fi
6717 if test "$eventfd" = "yes" ; then
6718   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6719 fi
6720 if test "$memfd" = "yes" ; then
6721   echo "CONFIG_MEMFD=y" >> $config_host_mak
6722 fi
6723 if test "$have_usbfs" = "yes" ; then
6724   echo "CONFIG_USBFS=y" >> $config_host_mak
6725 fi
6726 if test "$fallocate" = "yes" ; then
6727   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6728 fi
6729 if test "$fallocate_punch_hole" = "yes" ; then
6730   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6731 fi
6732 if test "$fallocate_zero_range" = "yes" ; then
6733   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6734 fi
6735 if test "$posix_fallocate" = "yes" ; then
6736   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6737 fi
6738 if test "$sync_file_range" = "yes" ; then
6739   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6740 fi
6741 if test "$fiemap" = "yes" ; then
6742   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6743 fi
6744 if test "$dup3" = "yes" ; then
6745   echo "CONFIG_DUP3=y" >> $config_host_mak
6746 fi
6747 if test "$ppoll" = "yes" ; then
6748   echo "CONFIG_PPOLL=y" >> $config_host_mak
6749 fi
6750 if test "$prctl_pr_set_timerslack" = "yes" ; then
6751   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6752 fi
6753 if test "$epoll" = "yes" ; then
6754   echo "CONFIG_EPOLL=y" >> $config_host_mak
6755 fi
6756 if test "$epoll_create1" = "yes" ; then
6757   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6758 fi
6759 if test "$sendfile" = "yes" ; then
6760   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6761 fi
6762 if test "$timerfd" = "yes" ; then
6763   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6764 fi
6765 if test "$setns" = "yes" ; then
6766   echo "CONFIG_SETNS=y" >> $config_host_mak
6767 fi
6768 if test "$clock_adjtime" = "yes" ; then
6769   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6770 fi
6771 if test "$syncfs" = "yes" ; then
6772   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6773 fi
6774 if test "$inotify" = "yes" ; then
6775   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6776 fi
6777 if test "$inotify1" = "yes" ; then
6778   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6779 fi
6780 if test "$sem_timedwait" = "yes" ; then
6781   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6782 fi
6783 if test "$strchrnul" = "yes" ; then
6784   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6785 fi
6786 if test "$byteswap_h" = "yes" ; then
6787   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6788 fi
6789 if test "$bswap_h" = "yes" ; then
6790   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6791 fi
6792 if test "$curl" = "yes" ; then
6793   echo "CONFIG_CURL=m" >> $config_host_mak
6794   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6795   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6796 fi
6797 if test "$brlapi" = "yes" ; then
6798   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6799   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6800 fi
6801 if test "$bluez" = "yes" ; then
6802   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6803   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6804 fi
6805 if test "$gtk" = "yes" ; then
6806   echo "CONFIG_GTK=m" >> $config_host_mak
6807   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6808   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6809   if test "$gtk_gl" = "yes" ; then
6810     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6811   fi
6812 fi
6813 if test "$gio" = "yes" ; then
6814     echo "CONFIG_GIO=y" >> $config_host_mak
6815     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6816     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6817 fi
6818 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6819 if test "$gnutls" = "yes" ; then
6820   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6821 fi
6822 if test "$gcrypt" = "yes" ; then
6823   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6824   if test "$gcrypt_hmac" = "yes" ; then
6825     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6826   fi
6827 fi
6828 if test "$nettle" = "yes" ; then
6829   echo "CONFIG_NETTLE=y" >> $config_host_mak
6830   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6831 fi
6832 if test "$tasn1" = "yes" ; then
6833   echo "CONFIG_TASN1=y" >> $config_host_mak
6834 fi
6835 if test "$auth_pam" = "yes" ; then
6836     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6837 fi
6838 if test "$have_ifaddrs_h" = "yes" ; then
6839     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6840 fi
6841 if test "$have_broken_size_max" = "yes" ; then
6842     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6843 fi
6844
6845 # Work around a system header bug with some kernel/XFS header
6846 # versions where they both try to define 'struct fsxattr':
6847 # xfs headers will not try to redefine structs from linux headers
6848 # if this macro is set.
6849 if test "$have_fsxattr" = "yes" ; then
6850     echo "HAVE_FSXATTR=y" >> $config_host_mak
6851 fi
6852 if test "$have_copy_file_range" = "yes" ; then
6853     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6854 fi
6855 if test "$vte" = "yes" ; then
6856   echo "CONFIG_VTE=y" >> $config_host_mak
6857   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6858   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6859 fi
6860 if test "$virglrenderer" = "yes" ; then
6861   echo "CONFIG_VIRGL=y" >> $config_host_mak
6862   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6863   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6864 fi
6865 if test "$xen" = "yes" ; then
6866   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6867   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6868 fi
6869 if test "$linux_aio" = "yes" ; then
6870   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6871 fi
6872 if test "$attr" = "yes" ; then
6873   echo "CONFIG_ATTR=y" >> $config_host_mak
6874 fi
6875 if test "$libattr" = "yes" ; then
6876   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6877 fi
6878 if test "$virtfs" = "yes" ; then
6879   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6880 fi
6881 if test "$mpath" = "yes" ; then
6882   echo "CONFIG_MPATH=y" >> $config_host_mak
6883   if test "$mpathpersist_new_api" = "yes"; then
6884     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6885   fi
6886 fi
6887 if test "$vhost_scsi" = "yes" ; then
6888   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6889 fi
6890 if test "$vhost_net" = "yes" ; then
6891   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6892 fi
6893 if test "$vhost_net_user" = "yes" ; then
6894   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6895 fi
6896 if test "$vhost_crypto" = "yes" ; then
6897   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6898 fi
6899 if test "$vhost_vsock" = "yes" ; then
6900   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6901 fi
6902 if test "$vhost_kernel" = "yes" ; then
6903   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6904 fi
6905 if test "$vhost_user" = "yes" ; then
6906   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6907 fi
6908 if test "$blobs" = "yes" ; then
6909   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6910 fi
6911 if test "$iovec" = "yes" ; then
6912   echo "CONFIG_IOVEC=y" >> $config_host_mak
6913 fi
6914 if test "$preadv" = "yes" ; then
6915   echo "CONFIG_PREADV=y" >> $config_host_mak
6916 fi
6917 if test "$fdt" != "no" ; then
6918   echo "CONFIG_FDT=y" >> $config_host_mak
6919 fi
6920 if test "$membarrier" = "yes" ; then
6921   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6922 fi
6923 if test "$signalfd" = "yes" ; then
6924   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6925 fi
6926 if test "$optreset" = "yes" ; then
6927   echo "HAVE_OPTRESET=y" >> $config_host_mak
6928 fi
6929 if test "$tcg" = "yes"; then
6930   echo "CONFIG_TCG=y" >> $config_host_mak
6931   if test "$tcg_interpreter" = "yes" ; then
6932     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6933   fi
6934 fi
6935 if test "$fdatasync" = "yes" ; then
6936   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6937 fi
6938 if test "$madvise" = "yes" ; then
6939   echo "CONFIG_MADVISE=y" >> $config_host_mak
6940 fi
6941 if test "$posix_madvise" = "yes" ; then
6942   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6943 fi
6944 if test "$posix_memalign" = "yes" ; then
6945   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6946 fi
6947
6948 if test "$spice" = "yes" ; then
6949   echo "CONFIG_SPICE=y" >> $config_host_mak
6950 fi
6951
6952 if test "$smartcard" = "yes" ; then
6953   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6954   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6955   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6956 fi
6957
6958 if test "$libusb" = "yes" ; then
6959   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6960   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6961   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6962 fi
6963
6964 if test "$usb_redir" = "yes" ; then
6965   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6966   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6967   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6968 fi
6969
6970 if test "$opengl" = "yes" ; then
6971   echo "CONFIG_OPENGL=y" >> $config_host_mak
6972   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6973   if test "$opengl_dmabuf" = "yes" ; then
6974     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6975   fi
6976 fi
6977
6978 if test "$malloc_trim" = "yes" ; then
6979   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6980 fi
6981
6982 if test "$avx2_opt" = "yes" ; then
6983   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6984 fi
6985
6986 if test "$lzo" = "yes" ; then
6987   echo "CONFIG_LZO=y" >> $config_host_mak
6988 fi
6989
6990 if test "$snappy" = "yes" ; then
6991   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6992 fi
6993
6994 if test "$bzip2" = "yes" ; then
6995   echo "CONFIG_BZIP2=y" >> $config_host_mak
6996   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6997 fi
6998
6999 if test "$lzfse" = "yes" ; then
7000   echo "CONFIG_LZFSE=y" >> $config_host_mak
7001   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7002 fi
7003
7004 if test "$libiscsi" = "yes" ; then
7005   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7006   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7007   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7008 fi
7009
7010 if test "$libnfs" = "yes" ; then
7011   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7012   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7013 fi
7014
7015 if test "$seccomp" = "yes"; then
7016   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7017   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7018   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7019 fi
7020
7021 # XXX: suppress that
7022 if [ "$bsd" = "yes" ] ; then
7023   echo "CONFIG_BSD=y" >> $config_host_mak
7024 fi
7025
7026 if test "$localtime_r" = "yes" ; then
7027   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7028 fi
7029 if test "$qom_cast_debug" = "yes" ; then
7030   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7031 fi
7032 if test "$rbd" = "yes" ; then
7033   echo "CONFIG_RBD=m" >> $config_host_mak
7034   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7035   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7036 fi
7037
7038 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7039 if test "$coroutine_pool" = "yes" ; then
7040   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7041 else
7042   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7043 fi
7044
7045 if test "$debug_stack_usage" = "yes" ; then
7046   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7047 fi
7048
7049 if test "$crypto_afalg" = "yes" ; then
7050   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7051 fi
7052
7053 if test "$open_by_handle_at" = "yes" ; then
7054   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7055 fi
7056
7057 if test "$linux_magic_h" = "yes" ; then
7058   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7059 fi
7060
7061 if test "$pragma_diagnostic_available" = "yes" ; then
7062   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7063 fi
7064
7065 if test "$valgrind_h" = "yes" ; then
7066   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7067 fi
7068
7069 if test "$have_asan_iface_fiber" = "yes" ; then
7070     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7071 fi
7072
7073 if test "$has_environ" = "yes" ; then
7074   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7075 fi
7076
7077 if test "$cpuid_h" = "yes" ; then
7078   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7079 fi
7080
7081 if test "$int128" = "yes" ; then
7082   echo "CONFIG_INT128=y" >> $config_host_mak
7083 fi
7084
7085 if test "$atomic128" = "yes" ; then
7086   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7087 fi
7088
7089 if test "$cmpxchg128" = "yes" ; then
7090   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7091 fi
7092
7093 if test "$atomic64" = "yes" ; then
7094   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7095 fi
7096
7097 if test "$vector16" = "yes" ; then
7098   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7099 fi
7100
7101 if test "$getauxval" = "yes" ; then
7102   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7103 fi
7104
7105 if test "$glusterfs" = "yes" ; then
7106   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7107   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7108   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7109 fi
7110
7111 if test "$glusterfs_xlator_opt" = "yes" ; then
7112   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7113 fi
7114
7115 if test "$glusterfs_discard" = "yes" ; then
7116   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7117 fi
7118
7119 if test "$glusterfs_fallocate" = "yes" ; then
7120   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7121 fi
7122
7123 if test "$glusterfs_zerofill" = "yes" ; then
7124   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7125 fi
7126
7127 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7128   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7129 fi
7130
7131 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7132   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7133 fi
7134
7135 if test "$libssh2" = "yes" ; then
7136   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
7137   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
7138   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
7139 fi
7140
7141 if test "$live_block_migration" = "yes" ; then
7142   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7143 fi
7144
7145 if test "$tpm" = "yes"; then
7146   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
7147   # TPM passthrough support?
7148   if test "$tpm_passthrough" = "yes"; then
7149     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
7150   fi
7151   # TPM emulator support?
7152   if test "$tpm_emulator" = "yes"; then
7153     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
7154   fi
7155 fi
7156
7157 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7158 if have_backend "nop"; then
7159   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7160 fi
7161 if have_backend "simple"; then
7162   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7163   # Set the appropriate trace file.
7164   trace_file="\"$trace_file-\" FMT_pid"
7165 fi
7166 if have_backend "log"; then
7167   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7168 fi
7169 if have_backend "ust"; then
7170   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7171 fi
7172 if have_backend "dtrace"; then
7173   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7174   if test "$trace_backend_stap" = "yes" ; then
7175     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7176   fi
7177 fi
7178 if have_backend "ftrace"; then
7179   if test "$linux" = "yes" ; then
7180     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7181   else
7182     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7183   fi
7184 fi
7185 if have_backend "syslog"; then
7186   if test "$posix_syslog" = "yes" ; then
7187     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7188   else
7189     feature_not_found "syslog(trace backend)" "syslog not available"
7190   fi
7191 fi
7192 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7193
7194 if test "$rdma" = "yes" ; then
7195   echo "CONFIG_RDMA=y" >> $config_host_mak
7196   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7197 fi
7198
7199 if test "$pvrdma" = "yes" ; then
7200   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7201 fi
7202
7203 if test "$have_rtnetlink" = "yes" ; then
7204   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7205 fi
7206
7207 if test "$libxml2" = "yes" ; then
7208   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7209   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7210   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7211 fi
7212
7213 if test "$replication" = "yes" ; then
7214   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7215 fi
7216
7217 if test "$have_af_vsock" = "yes" ; then
7218   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7219 fi
7220
7221 if test "$have_sysmacros" = "yes" ; then
7222   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7223 fi
7224
7225 if test "$have_static_assert" = "yes" ; then
7226   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7227 fi
7228
7229 if test "$have_utmpx" = "yes" ; then
7230   echo "HAVE_UTMPX=y" >> $config_host_mak
7231 fi
7232 if test "$have_getrandom" = "yes" ; then
7233   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7234 fi
7235 if test "$ivshmem" = "yes" ; then
7236   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7237 fi
7238 if test "$capstone" != "no" ; then
7239   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7240 fi
7241 if test "$debug_mutex" = "yes" ; then
7242   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7243 fi
7244
7245 # Hold two types of flag:
7246 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7247 #                                     a thread we have a handle to
7248 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7249 #                                     platform
7250 if test "$pthread_setname_np_w_tid" = "yes" ; then
7251   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7252   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7253 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7254   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7255   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7256 fi
7257
7258 if test "$vxhs" = "yes" ; then
7259   echo "CONFIG_VXHS=y" >> $config_host_mak
7260   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7261 fi
7262
7263 if test "$libpmem" = "yes" ; then
7264   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7265 fi
7266
7267 if test "$bochs" = "yes" ; then
7268   echo "CONFIG_BOCHS=y" >> $config_host_mak
7269 fi
7270 if test "$cloop" = "yes" ; then
7271   echo "CONFIG_CLOOP=y" >> $config_host_mak
7272 fi
7273 if test "$dmg" = "yes" ; then
7274   echo "CONFIG_DMG=y" >> $config_host_mak
7275 fi
7276 if test "$qcow1" = "yes" ; then
7277   echo "CONFIG_QCOW1=y" >> $config_host_mak
7278 fi
7279 if test "$vdi" = "yes" ; then
7280   echo "CONFIG_VDI=y" >> $config_host_mak
7281 fi
7282 if test "$vvfat" = "yes" ; then
7283   echo "CONFIG_VVFAT=y" >> $config_host_mak
7284 fi
7285 if test "$qed" = "yes" ; then
7286   echo "CONFIG_QED=y" >> $config_host_mak
7287 fi
7288 if test "$parallels" = "yes" ; then
7289   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7290 fi
7291 if test "$sheepdog" = "yes" ; then
7292   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7293 fi
7294
7295 if test "$tcg_interpreter" = "yes"; then
7296   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7297 elif test "$ARCH" = "sparc64" ; then
7298   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7299 elif test "$ARCH" = "s390x" ; then
7300   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7301 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7302   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7303 elif test "$ARCH" = "ppc64" ; then
7304   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7305 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7306   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7307 else
7308   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7309 fi
7310 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7311
7312 echo "TOOLS=$tools" >> $config_host_mak
7313 echo "ROMS=$roms" >> $config_host_mak
7314 echo "MAKE=$make" >> $config_host_mak
7315 echo "INSTALL=$install" >> $config_host_mak
7316 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7317 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7318 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7319 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7320 echo "PYTHON=$python" >> $config_host_mak
7321 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
7322 echo "CC=$cc" >> $config_host_mak
7323 if $iasl -h > /dev/null 2>&1; then
7324   echo "IASL=$iasl" >> $config_host_mak
7325 fi
7326 echo "HOST_CC=$host_cc" >> $config_host_mak
7327 echo "CXX=$cxx" >> $config_host_mak
7328 echo "OBJCC=$objcc" >> $config_host_mak
7329 echo "AR=$ar" >> $config_host_mak
7330 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7331 echo "AS=$as" >> $config_host_mak
7332 echo "CCAS=$ccas" >> $config_host_mak
7333 echo "CPP=$cpp" >> $config_host_mak
7334 echo "OBJCOPY=$objcopy" >> $config_host_mak
7335 echo "LD=$ld" >> $config_host_mak
7336 echo "RANLIB=$ranlib" >> $config_host_mak
7337 echo "NM=$nm" >> $config_host_mak
7338 echo "WINDRES=$windres" >> $config_host_mak
7339 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7340 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7341 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7342 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7343 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7344 if test "$sparse" = "yes" ; then
7345   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7346   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7347   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7348   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7349   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7350 fi
7351 if test "$cross_prefix" != ""; then
7352   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7353 else
7354   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7355 fi
7356 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7357 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7358 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7359 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7360 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7361 echo "LIBS+=$LIBS" >> $config_host_mak
7362 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7363 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7364 echo "EXESUF=$EXESUF" >> $config_host_mak
7365 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7366 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7367 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7368 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7369 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7370 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7371 if test "$gcov" = "yes" ; then
7372   echo "CONFIG_GCOV=y" >> $config_host_mak
7373   echo "GCOV=$gcov_tool" >> $config_host_mak
7374 fi
7375
7376 if test "$docker" != "no"; then
7377     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7378 fi
7379
7380 if test "$libudev" != "no"; then
7381     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7382     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7383 fi
7384
7385 # use included Linux headers
7386 if test "$linux" = "yes" ; then
7387   mkdir -p linux-headers
7388   case "$cpu" in
7389   i386|x86_64|x32)
7390     linux_arch=x86
7391     ;;
7392   ppc|ppc64|ppc64le)
7393     linux_arch=powerpc
7394     ;;
7395   s390x)
7396     linux_arch=s390
7397     ;;
7398   aarch64)
7399     linux_arch=arm64
7400     ;;
7401   mips64)
7402     linux_arch=mips
7403     ;;
7404   *)
7405     # For most CPUs the kernel architecture name and QEMU CPU name match.
7406     linux_arch="$cpu"
7407     ;;
7408   esac
7409     # For non-KVM architectures we will not have asm headers
7410     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7411       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7412     fi
7413 fi
7414
7415 for target in $target_list; do
7416 target_dir="$target"
7417 config_target_mak=$target_dir/config-target.mak
7418 target_name=$(echo $target | cut -d '-' -f 1)
7419 target_bigendian="no"
7420
7421 case "$target_name" in
7422   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7423   target_bigendian=yes
7424   ;;
7425 esac
7426 target_softmmu="no"
7427 target_user_only="no"
7428 target_linux_user="no"
7429 target_bsd_user="no"
7430 case "$target" in
7431   ${target_name}-softmmu)
7432     target_softmmu="yes"
7433     ;;
7434   ${target_name}-linux-user)
7435     target_user_only="yes"
7436     target_linux_user="yes"
7437     ;;
7438   ${target_name}-bsd-user)
7439     target_user_only="yes"
7440     target_bsd_user="yes"
7441     ;;
7442   *)
7443     error_exit "Target '$target' not recognised"
7444     exit 1
7445     ;;
7446 esac
7447
7448 target_compiler=""
7449 target_compiler_static=""
7450 target_compiler_cflags=""
7451
7452 mkdir -p $target_dir
7453 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7454
7455 bflt="no"
7456 mttcg="no"
7457 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7458 gdb_xml_files=""
7459
7460 TARGET_ARCH="$target_name"
7461 TARGET_BASE_ARCH=""
7462 TARGET_ABI_DIR=""
7463
7464 case "$target_name" in
7465   i386)
7466     mttcg="yes"
7467         gdb_xml_files="i386-32bit.xml"
7468     target_compiler=$cross_cc_i386
7469     target_compiler_cflags=$cross_cc_ccflags_i386
7470   ;;
7471   x86_64)
7472     TARGET_BASE_ARCH=i386
7473     mttcg="yes"
7474         gdb_xml_files="i386-64bit.xml"
7475     target_compiler=$cross_cc_x86_64
7476   ;;
7477   alpha)
7478     mttcg="yes"
7479     target_compiler=$cross_cc_alpha
7480   ;;
7481   arm|armeb)
7482     TARGET_ARCH=arm
7483     bflt="yes"
7484     mttcg="yes"
7485     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7486     target_compiler=$cross_cc_arm
7487     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7488   ;;
7489   aarch64|aarch64_be)
7490     TARGET_ARCH=aarch64
7491     TARGET_BASE_ARCH=arm
7492     bflt="yes"
7493     mttcg="yes"
7494     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7495     target_compiler=$cross_cc_aarch64
7496     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7497   ;;
7498   cris)
7499     target_compiler=$cross_cc_cris
7500   ;;
7501   hppa)
7502     mttcg="yes"
7503     target_compiler=$cross_cc_hppa
7504   ;;
7505   lm32)
7506     target_compiler=$cross_cc_lm32
7507   ;;
7508   m68k)
7509     bflt="yes"
7510     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7511     target_compiler=$cross_cc_m68k
7512   ;;
7513   microblaze|microblazeel)
7514     TARGET_ARCH=microblaze
7515     bflt="yes"
7516     echo "TARGET_ABI32=y" >> $config_target_mak
7517     target_compiler=$cross_cc_microblaze
7518   ;;
7519   mips|mipsel)
7520     mttcg="yes"
7521     TARGET_ARCH=mips
7522     target_compiler=$cross_cc_mips
7523     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7524   ;;
7525   mipsn32|mipsn32el)
7526     mttcg="yes"
7527     TARGET_ARCH=mips64
7528     TARGET_BASE_ARCH=mips
7529     target_compiler=$cross_cc_mipsn32
7530     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7531     echo "TARGET_ABI32=y" >> $config_target_mak
7532   ;;
7533   mips64|mips64el)
7534     mttcg="yes"
7535     TARGET_ARCH=mips64
7536     TARGET_BASE_ARCH=mips
7537     target_compiler=$cross_cc_mips64
7538     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7539   ;;
7540   moxie)
7541     target_compiler=$cross_cc_moxie
7542   ;;
7543   nios2)
7544     target_compiler=$cross_cc_nios2
7545   ;;
7546   or1k)
7547     target_compiler=$cross_cc_or1k
7548     TARGET_ARCH=openrisc
7549     TARGET_BASE_ARCH=openrisc
7550   ;;
7551   ppc)
7552     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7553     target_compiler=$cross_cc_ppc
7554     target_compiler_cflags="$cross_cc_cflags_ppc"
7555   ;;
7556   ppc64)
7557     TARGET_BASE_ARCH=ppc
7558     TARGET_ABI_DIR=ppc
7559     mttcg=yes
7560     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7561     target_compiler=$cross_cc_ppc64
7562     target_compiler_cflags="$cross_cc_cflags_ppc64"
7563   ;;
7564   ppc64le)
7565     TARGET_ARCH=ppc64
7566     TARGET_BASE_ARCH=ppc
7567     TARGET_ABI_DIR=ppc
7568     mttcg=yes
7569     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7570     target_compiler=$cross_cc_ppc64le
7571   ;;
7572   ppc64abi32)
7573     TARGET_ARCH=ppc64
7574     TARGET_BASE_ARCH=ppc
7575     TARGET_ABI_DIR=ppc
7576     echo "TARGET_ABI32=y" >> $config_target_mak
7577     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7578     target_compiler=$cross_cc_ppc64abi32
7579   ;;
7580   riscv32)
7581     TARGET_BASE_ARCH=riscv
7582     TARGET_ABI_DIR=riscv
7583     mttcg=yes
7584     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml"
7585     target_compiler=$cross_cc_riscv32
7586   ;;
7587   riscv64)
7588     TARGET_BASE_ARCH=riscv
7589     TARGET_ABI_DIR=riscv
7590     mttcg=yes
7591     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml"
7592     target_compiler=$cross_cc_riscv64
7593   ;;
7594   sh4|sh4eb)
7595     TARGET_ARCH=sh4
7596     bflt="yes"
7597     target_compiler=$cross_cc_sh4
7598   ;;
7599   sparc)
7600     target_compiler=$cross_cc_sparc
7601   ;;
7602   sparc64)
7603     TARGET_BASE_ARCH=sparc
7604     target_compiler=$cross_cc_sparc64
7605   ;;
7606   sparc32plus)
7607     TARGET_ARCH=sparc64
7608     TARGET_BASE_ARCH=sparc
7609     TARGET_ABI_DIR=sparc
7610     target_compiler=$cross_cc_sparc32plus
7611     echo "TARGET_ABI32=y" >> $config_target_mak
7612   ;;
7613   s390x)
7614     mttcg=yes
7615     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7616     target_compiler=$cross_cc_s390x
7617   ;;
7618   tilegx)
7619     target_compiler=$cross_cc_tilegx
7620   ;;
7621   tricore)
7622     target_compiler=$cross_cc_tricore
7623   ;;
7624   unicore32)
7625     target_compiler=$cross_cc_unicore32
7626   ;;
7627   xtensa|xtensaeb)
7628     TARGET_ARCH=xtensa
7629     bflt="yes"
7630     mttcg="yes"
7631     target_compiler=$cross_cc_xtensa
7632   ;;
7633   *)
7634     error_exit "Unsupported target CPU"
7635   ;;
7636 esac
7637 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7638 if [ "$TARGET_BASE_ARCH" = "" ]; then
7639   TARGET_BASE_ARCH=$TARGET_ARCH
7640 fi
7641
7642 # Do we have a cross compiler for this target?
7643 if has $target_compiler; then
7644
7645     write_c_skeleton
7646
7647     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7648         # For host systems we might get away with building without -static
7649         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7650             target_compiler=""
7651         else
7652             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7653             target_compiler_static="n"
7654         fi
7655     else
7656         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7657         target_compiler_static="y"
7658     fi
7659 else
7660     target_compiler=""
7661 fi
7662
7663 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7664
7665 upper() {
7666     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7667 }
7668
7669 target_arch_name="$(upper $TARGET_ARCH)"
7670 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7671 echo "TARGET_NAME=$target_name" >> $config_target_mak
7672 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7673 if [ "$TARGET_ABI_DIR" = "" ]; then
7674   TARGET_ABI_DIR=$TARGET_ARCH
7675 fi
7676 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7677 if [ "$HOST_VARIANT_DIR" != "" ]; then
7678     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7679 fi
7680
7681 if supported_xen_target $target; then
7682     echo "CONFIG_XEN=y" >> $config_target_mak
7683     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7684     if test "$xen_pci_passthrough" = yes; then
7685         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7686     fi
7687 else
7688     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7689 fi
7690 if supported_kvm_target $target; then
7691     echo "CONFIG_KVM=y" >> $config_target_mak
7692     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7693 else
7694     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7695 fi
7696 if supported_hax_target $target; then
7697     echo "CONFIG_HAX=y" >> $config_target_mak
7698 fi
7699 if supported_hvf_target $target; then
7700     echo "CONFIG_HVF=y" >> $config_target_mak
7701 fi
7702 if supported_whpx_target $target; then
7703     echo "CONFIG_WHPX=y" >> $config_target_mak
7704 fi
7705 if test "$target_bigendian" = "yes" ; then
7706   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7707 fi
7708 if test "$target_softmmu" = "yes" ; then
7709   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7710   if test "$mttcg" = "yes" ; then
7711     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7712   fi
7713 fi
7714 if test "$target_user_only" = "yes" ; then
7715   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7716   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7717 fi
7718 if test "$target_linux_user" = "yes" ; then
7719   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7720 fi
7721 list=""
7722 if test ! -z "$gdb_xml_files" ; then
7723   for x in $gdb_xml_files; do
7724     list="$list $source_path/gdb-xml/$x"
7725   done
7726   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7727 fi
7728
7729 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7730   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7731 fi
7732 if test "$target_bsd_user" = "yes" ; then
7733   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7734 fi
7735
7736 if test -n "$target_compiler"; then
7737   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7738
7739   if test -n "$target_compiler_static"; then
7740       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7741   fi
7742
7743   if test -n "$target_compiler_cflags"; then
7744       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7745   fi
7746 fi
7747
7748
7749 # generate QEMU_CFLAGS/LDFLAGS for targets
7750
7751 cflags=""
7752 ldflags=""
7753
7754 disas_config() {
7755   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7756   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7757 }
7758
7759 for i in $ARCH $TARGET_BASE_ARCH ; do
7760   case "$i" in
7761   alpha)
7762     disas_config "ALPHA"
7763   ;;
7764   aarch64)
7765     if test -n "${cxx}"; then
7766       disas_config "ARM_A64"
7767     fi
7768   ;;
7769   arm)
7770     disas_config "ARM"
7771     if test -n "${cxx}"; then
7772       disas_config "ARM_A64"
7773     fi
7774   ;;
7775   cris)
7776     disas_config "CRIS"
7777   ;;
7778   hppa)
7779     disas_config "HPPA"
7780   ;;
7781   i386|x86_64|x32)
7782     disas_config "I386"
7783   ;;
7784   lm32)
7785     disas_config "LM32"
7786   ;;
7787   m68k)
7788     disas_config "M68K"
7789   ;;
7790   microblaze*)
7791     disas_config "MICROBLAZE"
7792   ;;
7793   mips*)
7794     disas_config "MIPS"
7795     if test -n "${cxx}"; then
7796       disas_config "NANOMIPS"
7797     fi
7798   ;;
7799   moxie*)
7800     disas_config "MOXIE"
7801   ;;
7802   nios2)
7803     disas_config "NIOS2"
7804   ;;
7805   or1k)
7806     disas_config "OPENRISC"
7807   ;;
7808   ppc*)
7809     disas_config "PPC"
7810   ;;
7811   riscv*)
7812     disas_config "RISCV"
7813   ;;
7814   s390*)
7815     disas_config "S390"
7816   ;;
7817   sh4)
7818     disas_config "SH4"
7819   ;;
7820   sparc*)
7821     disas_config "SPARC"
7822   ;;
7823   xtensa*)
7824     disas_config "XTENSA"
7825   ;;
7826   esac
7827 done
7828 if test "$tcg_interpreter" = "yes" ; then
7829   disas_config "TCI"
7830 fi
7831
7832 case "$ARCH" in
7833 alpha)
7834   # Ensure there's only a single GP
7835   cflags="-msmall-data $cflags"
7836 ;;
7837 esac
7838
7839 if test "$gprof" = "yes" ; then
7840   echo "TARGET_GPROF=y" >> $config_target_mak
7841   if test "$target_linux_user" = "yes" ; then
7842     cflags="-p $cflags"
7843     ldflags="-p $ldflags"
7844   fi
7845   if test "$target_softmmu" = "yes" ; then
7846     ldflags="-p $ldflags"
7847     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7848   fi
7849 fi
7850
7851 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7852   ldflags="$ldflags $textseg_ldflags"
7853 fi
7854
7855 # Newer kernels on s390 check for an S390_PGSTE program header and
7856 # enable the pgste page table extensions in that case. This makes
7857 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7858 # header if
7859 #  - we build on s390x
7860 #  - we build the system emulation for s390x (qemu-system-s390x)
7861 #  - KVM is enabled
7862 #  - the linker supports --s390-pgste
7863 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7864         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7865     if ld_has --s390-pgste ; then
7866         ldflags="-Wl,--s390-pgste $ldflags"
7867     fi
7868 fi
7869
7870 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7871 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7872
7873 done # for target in $targets
7874
7875 if test -n "$enabled_cross_compilers"; then
7876     echo
7877     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7878 fi
7879
7880 if [ "$fdt" = "git" ]; then
7881   echo "config-host.h: subdir-dtc" >> $config_host_mak
7882 fi
7883 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7884   echo "config-host.h: subdir-capstone" >> $config_host_mak
7885 fi
7886 if test -n "$LIBCAPSTONE"; then
7887   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7888 fi
7889
7890 if test "$numa" = "yes"; then
7891   echo "CONFIG_NUMA=y" >> $config_host_mak
7892 fi
7893
7894 if test "$ccache_cpp2" = "yes"; then
7895   echo "export CCACHE_CPP2=y" >> $config_host_mak
7896 fi
7897
7898 # If we're using a separate build tree, set it up now.
7899 # DIRS are directories which we simply mkdir in the build tree;
7900 # LINKS are things to symlink back into the source tree
7901 # (these can be both files and directories).
7902 # Caution: do not add files or directories here using wildcards. This
7903 # will result in problems later if a new file matching the wildcard is
7904 # added to the source tree -- nothing will cause configure to be rerun
7905 # so the build tree will be missing the link back to the new file, and
7906 # tests might fail. Prefer to keep the relevant files in their own
7907 # directory and symlink the directory instead.
7908 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7909 DIRS="$DIRS tests/fp tests/qgraph"
7910 DIRS="$DIRS docs docs/interop fsdev scsi"
7911 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7912 DIRS="$DIRS roms/seabios roms/vgabios"
7913 LINKS="Makefile tests/tcg/Makefile"
7914 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7915 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7916 LINKS="$LINKS tests/fp/Makefile"
7917 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7918 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7919 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7920 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7921 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7922 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7923 LINKS="$LINKS tests/acceptance tests/data"
7924 LINKS="$LINKS tests/qemu-iotests/check"
7925 LINKS="$LINKS python"
7926 for bios_file in \
7927     $source_path/pc-bios/*.bin \
7928     $source_path/pc-bios/*.lid \
7929     $source_path/pc-bios/*.rom \
7930     $source_path/pc-bios/*.dtb \
7931     $source_path/pc-bios/*.img \
7932     $source_path/pc-bios/openbios-* \
7933     $source_path/pc-bios/u-boot.* \
7934     $source_path/pc-bios/edk2-*.fd.bz2 \
7935     $source_path/pc-bios/palcode-*
7936 do
7937     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7938 done
7939 mkdir -p $DIRS
7940 for f in $LINKS ; do
7941     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7942         symlink "$source_path/$f" "$f"
7943     fi
7944 done
7945
7946 # temporary config to build submodules
7947 for rom in seabios vgabios ; do
7948     config_mak=roms/$rom/config.mak
7949     echo "# Automatically generated by configure - do not modify" > $config_mak
7950     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7951     echo "AS=$as" >> $config_mak
7952     echo "CCAS=$ccas" >> $config_mak
7953     echo "CC=$cc" >> $config_mak
7954     echo "BCC=bcc" >> $config_mak
7955     echo "CPP=$cpp" >> $config_mak
7956     echo "OBJCOPY=objcopy" >> $config_mak
7957     echo "IASL=$iasl" >> $config_mak
7958     echo "LD=$ld" >> $config_mak
7959     echo "RANLIB=$ranlib" >> $config_mak
7960 done
7961
7962 # set up qemu-iotests in this build directory
7963 iotests_common_env="tests/qemu-iotests/common.env"
7964
7965 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7966 echo >> "$iotests_common_env"
7967 echo "export PYTHON='$python'" >> "$iotests_common_env"
7968
7969 # Save the configure command line for later reuse.
7970 cat <<EOD >config.status
7971 #!/bin/sh
7972 # Generated by configure.
7973 # Run this file to recreate the current configuration.
7974 # Compiler output produced by configure, useful for debugging
7975 # configure, is in config.log if it exists.
7976 EOD
7977
7978 preserve_env() {
7979     envname=$1
7980
7981     eval envval=\$$envname
7982
7983     if test -n "$envval"
7984     then
7985         echo "$envname='$envval'" >> config.status
7986         echo "export $envname" >> config.status
7987     else
7988         echo "unset $envname" >> config.status
7989     fi
7990 }
7991
7992 # Preserve various env variables that influence what
7993 # features/build target configure will detect
7994 preserve_env AR
7995 preserve_env AS
7996 preserve_env CC
7997 preserve_env CPP
7998 preserve_env CXX
7999 preserve_env INSTALL
8000 preserve_env LD
8001 preserve_env LD_LIBRARY_PATH
8002 preserve_env LIBTOOL
8003 preserve_env MAKE
8004 preserve_env NM
8005 preserve_env OBJCOPY
8006 preserve_env PATH
8007 preserve_env PKG_CONFIG
8008 preserve_env PKG_CONFIG_LIBDIR
8009 preserve_env PKG_CONFIG_PATH
8010 preserve_env PYTHON
8011 preserve_env SDL_CONFIG
8012 preserve_env SDL2_CONFIG
8013 preserve_env SMBD
8014 preserve_env STRIP
8015 preserve_env WINDRES
8016
8017 printf "exec" >>config.status
8018 printf " '%s'" "$0" "$@" >>config.status
8019 echo ' "$@"' >>config.status
8020 chmod +x config.status
8021
8022 rm -r "$TMPDIR1"