configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(dirname "$0")
 281 cpu=""
 282 iasl="iasl"
 283 interp_prefix="/usr/gnemul/qemu-%M"
 284 static="no"
 285 cross_prefix=""
 286 audio_drv_list=""
 287 block_drv_rw_whitelist=""
 288 block_drv_ro_whitelist=""
 289 host_cc="cc"
 290 libs_softmmu=""
 291 libs_tools=""
 292 audio_pt_int=""
 293 audio_win_int=""
 294 libs_qga=""
 295 debug_info="yes"
 296 stack_protector=""
 297
 298 if test -e "$source_path/.git"
 299 then
 300     git_update=yes
 301     git_submodules="ui/keycodemapdb"
 302     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 303     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 304 else
 305     git_update=no
 306     git_submodules=""
 307
 308     if ! test -f "$source_path/ui/keycodemapdb/README"
 309     then
 310         echo
 311         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 312         echo
 313         echo "This is not a GIT checkout but module content appears to"
 314         echo "be missing. Do not use 'git archive' or GitHub download links"
 315         echo "to acquire QEMU source archives. Non-GIT builds are only"
 316         echo "supported with source archives linked from:"
 317         echo
 318         echo "  https://www.qemu.org/download/"
 319         echo
 320         echo "Developers working with GIT can use scripts/archive-source.sh"
 321         echo "if they need to create valid source archives."
 322         echo
 323         exit 1
 324     fi
 325 fi
 326 git="git"
 327
 328 # Don't accept a target_list environment variable.
 329 unset target_list
 330
 331 # Default value for a variable defining feature "foo".
 332 #  * foo="no"  feature will only be used if --enable-foo arg is given
 333 #  * foo=""    feature will be searched for, and if found, will be used
 334 #              unless --disable-foo is given
 335 #  * foo="yes" this value will only be set by --enable-foo flag.
 336 #              feature will searched for,
 337 #              if not found, configure exits with error
 338 #
 339 # Always add --enable-foo and --disable-foo command line args.
 340 # Distributions want to ensure that several features are compiled in, and it
 341 # is impossible without a --enable-foo that exits if a feature is not found.
 342
 343 bluez=""
 344 brlapi=""
 345 curl=""
 346 curses=""
 347 docs=""
 348 fdt=""
 349 netmap="no"
 350 sdl=""
 351 sdl_image=""
 352 virtfs=""
 353 mpath=""
 354 vnc="yes"
 355 sparse="no"
 356 vde=""
 357 vnc_sasl=""
 358 vnc_jpeg=""
 359 vnc_png=""
 360 xkbcommon=""
 361 xen=""
 362 xen_ctrl_version=""
 363 xen_pci_passthrough=""
 364 linux_aio=""
 365 cap_ng=""
 366 attr=""
 367 libattr=""
 368 xfs=""
 369 tcg="yes"
 370 membarrier=""
 371 vhost_net="no"
 372 vhost_crypto="no"
 373 vhost_scsi="no"
 374 vhost_vsock="no"
 375 vhost_user=""
 376 kvm="no"
 377 hax="no"
 378 hvf="no"
 379 whpx="no"
 380 rdma=""
 381 pvrdma=""
 382 gprof="no"
 383 debug_tcg="no"
 384 debug="no"
 385 sanitizers="no"
 386 fortify_source=""
 387 strip_opt="yes"
 388 tcg_interpreter="no"
 389 bigendian="no"
 390 mingw32="no"
 391 gcov="no"
 392 gcov_tool="gcov"
 393 EXESUF=""
 394 DSOSUF=".so"
 395 LDFLAGS_SHARED="-shared"
 396 modules="no"
 397 prefix="/usr/local"
 398 mandir="\${prefix}/share/man"
 399 datadir="\${prefix}/share"
 400 firmwarepath="\${prefix}/share/qemu-firmware"
 401 qemu_docdir="\${prefix}/share/doc/qemu"
 402 bindir="\${prefix}/bin"
 403 libdir="\${prefix}/lib"
 404 libexecdir="\${prefix}/libexec"
 405 includedir="\${prefix}/include"
 406 sysconfdir="\${prefix}/etc"
 407 local_statedir="\${prefix}/var"
 408 confsuffix="/qemu"
 409 slirp="yes"
 410 oss_lib=""
 411 bsd="no"
 412 linux="no"
 413 solaris="no"
 414 profiler="no"
 415 cocoa="no"
 416 softmmu="yes"
 417 linux_user="no"
 418 bsd_user="no"
 419 blobs="yes"
 420 pkgversion=""
 421 pie=""
 422 qom_cast_debug="yes"
 423 trace_backends="log"
 424 trace_file="trace"
 425 spice=""
 426 rbd=""
 427 smartcard=""
 428 libusb=""
 429 usb_redir=""
 430 opengl=""
 431 opengl_dmabuf="no"
 432 cpuid_h="no"
 433 avx2_opt=""
 434 zlib="yes"
 435 capstone=""
 436 lzo=""
 437 snappy=""
 438 bzip2=""
 439 lzfse=""
 440 guest_agent=""
 441 guest_agent_with_vss="no"
 442 guest_agent_ntddscsi="no"
 443 guest_agent_msi=""
 444 vss_win32_sdk=""
 445 win_sdk="no"
 446 want_tools="yes"
 447 libiscsi=""
 448 libnfs=""
 449 coroutine=""
 450 coroutine_pool=""
 451 debug_stack_usage="no"
 452 crypto_afalg="no"
 453 seccomp=""
 454 glusterfs=""
 455 glusterfs_xlator_opt="no"
 456 glusterfs_discard="no"
 457 glusterfs_fallocate="no"
 458 glusterfs_zerofill="no"
 459 gtk=""
 460 gtk_gl="no"
 461 tls_priority="NORMAL"
 462 gnutls=""
 463 nettle=""
 464 gcrypt=""
 465 gcrypt_hmac="no"
 466 vte=""
 467 virglrenderer=""
 468 tpm="yes"
 469 libssh2=""
 470 live_block_migration="yes"
 471 numa=""
 472 tcmalloc="no"
 473 jemalloc="no"
 474 replication="yes"
 475 vxhs=""
 476 bochs="yes"
 477 cloop="yes"
 478 dmg="yes"
 479 qcow1="yes"
 480 vdi="yes"
 481 vvfat="yes"
 482 qed="yes"
 483 parallels="yes"
 484 sheepdog="yes"
 485 libxml2=""
 486 docker="no"
 487 debug_mutex="no"
 488 libpmem=""
 489 libudev="no"
 490
 491 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 492 cross_cc_aarch64="aarch64-linux-gnu-gcc"
 493 cross_cc_aarch64_be="$cross_cc_aarch64"
 494 cross_cc_cflags_aarch64_be="-mbig-endian"
 495 cross_cc_arm="arm-linux-gnueabihf-gcc"
 496 cross_cc_cflags_armeb="-mbig-endian"
 497 cross_cc_i386="i386-pc-linux-gnu-gcc"
 498 cross_cc_cflags_i386=""
 499 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 500 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 501
 502 enabled_cross_compilers=""
 503
 504 supported_cpu="no"
 505 supported_os="no"
 506 bogus_os="no"
 507 malloc_trim=""
 508
 509 # parse CC options first
 510 for opt do
 511   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 512   case "$opt" in
 513   --cross-prefix=*) cross_prefix="$optarg"
 514   ;;
 515   --cc=*) CC="$optarg"
 516   ;;
 517   --cxx=*) CXX="$optarg"
 518   ;;
 519   --source-path=*) source_path="$optarg"
 520   ;;
 521   --cpu=*) cpu="$optarg"
 522   ;;
 523   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 524   ;;
 525   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 526   ;;
 527   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 528                      EXTRA_LDFLAGS="$optarg"
 529   ;;
 530   --enable-debug-info) debug_info="yes"
 531   ;;
 532   --disable-debug-info) debug_info="no"
 533   ;;
 534   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 535   ;;
 536   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 537                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 538   ;;
 539   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 540                 eval "cross_cc_${cc_arch}=\$optarg"
 541   ;;
 542   esac
 543 done
 544 # OS specific
 545 # Using uname is really, really broken.  Once we have the right set of checks
 546 # we can eliminate its usage altogether.
 547
 548 # Preferred compiler:
 549 #  ${CC} (if set)
 550 #  ${cross_prefix}gcc (if cross-prefix specified)
 551 #  system compiler
 552 if test -z "${CC}${cross_prefix}"; then
 553   cc="$host_cc"
 554 else
 555   cc="${CC-${cross_prefix}gcc}"
 556 fi
 557
 558 if test -z "${CXX}${cross_prefix}"; then
 559   cxx="c++"
 560 else
 561   cxx="${CXX-${cross_prefix}g++}"
 562 fi
 563
 564 ar="${AR-${cross_prefix}ar}"
 565 as="${AS-${cross_prefix}as}"
 566 ccas="${CCAS-$cc}"
 567 cpp="${CPP-$cc -E}"
 568 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 569 ld="${LD-${cross_prefix}ld}"
 570 ranlib="${RANLIB-${cross_prefix}ranlib}"
 571 nm="${NM-${cross_prefix}nm}"
 572 strip="${STRIP-${cross_prefix}strip}"
 573 windres="${WINDRES-${cross_prefix}windres}"
 574 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 575 query_pkg_config() {
 576     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 577 }
 578 pkg_config=query_pkg_config
 579 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 580
 581 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 582 ARFLAGS="${ARFLAGS-rv}"
 583
 584 # default flags for all hosts
 585 # We use -fwrapv to tell the compiler that we require a C dialect where
 586 # left shift of signed integers is well defined and has the expected
 587 # 2s-complement style results. (Both clang and gcc agree that it
 588 # provides these semantics.)
 589 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 590 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 591 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 592 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 593 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 594 if test "$debug_info" = "yes"; then
 595     CFLAGS="-g $CFLAGS"
 596     LDFLAGS="-g $LDFLAGS"
 597 fi
 598
 599 # make source path absolute
 600 source_path=$(cd "$source_path"; pwd)
 601
 602 # running configure in the source tree?
 603 # we know that's the case if configure is there.
 604 if test -f "./configure"; then
 605     pwd_is_source_path="y"
 606 else
 607     pwd_is_source_path="n"
 608 fi
 609
 610 check_define() {
 611 cat > $TMPC <<EOF
 612 #if !defined($1)
 613 #error $1 not defined
 614 #endif
 615 int main(void) { return 0; }
 616 EOF
 617   compile_object
 618 }
 619
 620 check_include() {
 621 cat > $TMPC <<EOF
 622 #include <$1>
 623 int main(void) { return 0; }
 624 EOF
 625   compile_object
 626 }
 627
 628 write_c_skeleton() {
 629     cat > $TMPC <<EOF
 630 int main(void) { return 0; }
 631 EOF
 632 }
 633
 634 if check_define __linux__ ; then
 635   targetos="Linux"
 636 elif check_define _WIN32 ; then
 637   targetos='MINGW32'
 638 elif check_define __OpenBSD__ ; then
 639   targetos='OpenBSD'
 640 elif check_define __sun__ ; then
 641   targetos='SunOS'
 642 elif check_define __HAIKU__ ; then
 643   targetos='Haiku'
 644 elif check_define __FreeBSD__ ; then
 645   targetos='FreeBSD'
 646 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 647   targetos='GNU/kFreeBSD'
 648 elif check_define __DragonFly__ ; then
 649   targetos='DragonFly'
 650 elif check_define __NetBSD__; then
 651   targetos='NetBSD'
 652 elif check_define __APPLE__; then
 653   targetos='Darwin'
 654 else
 655   # This is a fatal error, but don't report it yet, because we
 656   # might be going to just print the --help text, or it might
 657   # be the result of a missing compiler.
 658   targetos='bogus'
 659   bogus_os='yes'
 660 fi
 661
 662 # Some host OSes need non-standard checks for which CPU to use.
 663 # Note that these checks are broken for cross-compilation: if you're
 664 # cross-compiling to one of these OSes then you'll need to specify
 665 # the correct CPU with the --cpu option.
 666 case $targetos in
 667 Darwin)
 668   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 669   # run 64-bit userspace code.
 670   # If the user didn't specify a CPU explicitly and the kernel says this is
 671   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 672   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 673     cpu="x86_64"
 674   fi
 675   ;;
 676 SunOS)
 677   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 678   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 679     cpu="x86_64"
 680   fi
 681 esac
 682
 683 if test ! -z "$cpu" ; then
 684   # command line argument
 685   :
 686 elif check_define __i386__ ; then
 687   cpu="i386"
 688 elif check_define __x86_64__ ; then
 689   if check_define __ILP32__ ; then
 690     cpu="x32"
 691   else
 692     cpu="x86_64"
 693   fi
 694 elif check_define __sparc__ ; then
 695   if check_define __arch64__ ; then
 696     cpu="sparc64"
 697   else
 698     cpu="sparc"
 699   fi
 700 elif check_define _ARCH_PPC ; then
 701   if check_define _ARCH_PPC64 ; then
 702     cpu="ppc64"
 703   else
 704     cpu="ppc"
 705   fi
 706 elif check_define __mips__ ; then
 707   cpu="mips"
 708 elif check_define __s390__ ; then
 709   if check_define __s390x__ ; then
 710     cpu="s390x"
 711   else
 712     cpu="s390"
 713   fi
 714 elif check_define __riscv ; then
 715   if check_define _LP64 ; then
 716     cpu="riscv64"
 717   else
 718     cpu="riscv32"
 719   fi
 720 elif check_define __arm__ ; then
 721   cpu="arm"
 722 elif check_define __aarch64__ ; then
 723   cpu="aarch64"
 724 else
 725   cpu=$(uname -m)
 726 fi
 727
 728 ARCH=
 729 # Normalise host CPU name and set ARCH.
 730 # Note that this case should only have supported host CPUs, not guests.
 731 case "$cpu" in
 732   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 733     cpu="$cpu"
 734     supported_cpu="yes"
 735     eval "cross_cc_${cpu}=\$host_cc"
 736   ;;
 737   i386|i486|i586|i686|i86pc|BePC)
 738     cpu="i386"
 739     supported_cpu="yes"
 740     cross_cc_i386=$host_cc
 741   ;;
 742   x86_64|amd64)
 743     cpu="x86_64"
 744     supported_cpu="yes"
 745     cross_cc_x86_64=$host_cc
 746   ;;
 747   armv*b|armv*l|arm)
 748     cpu="arm"
 749     supported_cpu="yes"
 750     cross_cc_arm=$host_cc
 751   ;;
 752   aarch64)
 753     cpu="aarch64"
 754     supported_cpu="yes"
 755     cross_cc_aarch64=$host_cc
 756   ;;
 757   mips*)
 758     cpu="mips"
 759     supported_cpu="yes"
 760     cross_cc_mips=$host_cc
 761   ;;
 762   sparc|sun4[cdmuv])
 763     cpu="sparc"
 764     supported_cpu="yes"
 765     cross_cc_sparc=$host_cc
 766   ;;
 767   *)
 768     # This will result in either an error or falling back to TCI later
 769     ARCH=unknown
 770   ;;
 771 esac
 772 if test -z "$ARCH"; then
 773   ARCH="$cpu"
 774 fi
 775
 776 # OS specific
 777
 778 # host *BSD for user mode
 779 HOST_VARIANT_DIR=""
 780
 781 case $targetos in
 782 MINGW32*)
 783   mingw32="yes"
 784   hax="yes"
 785   audio_possible_drivers="dsound sdl"
 786   if check_include dsound.h; then
 787     audio_drv_list="dsound"
 788   else
 789     audio_drv_list=""
 790   fi
 791   supported_os="yes"
 792 ;;
 793 GNU/kFreeBSD)
 794   bsd="yes"
 795   audio_drv_list="oss try-sdl"
 796   audio_possible_drivers="oss sdl pa"
 797 ;;
 798 FreeBSD)
 799   bsd="yes"
 800   make="${MAKE-gmake}"
 801   audio_drv_list="oss try-sdl"
 802   audio_possible_drivers="oss sdl pa"
 803   # needed for kinfo_getvmmap(3) in libutil.h
 804   LIBS="-lutil $LIBS"
 805   # needed for kinfo_getproc
 806   libs_qga="-lutil $libs_qga"
 807   netmap=""  # enable netmap autodetect
 808   HOST_VARIANT_DIR="freebsd"
 809   supported_os="yes"
 810 ;;
 811 DragonFly)
 812   bsd="yes"
 813   make="${MAKE-gmake}"
 814   audio_drv_list="oss try-sdl"
 815   audio_possible_drivers="oss sdl pa"
 816   HOST_VARIANT_DIR="dragonfly"
 817 ;;
 818 NetBSD)
 819   bsd="yes"
 820   make="${MAKE-gmake}"
 821   audio_drv_list="oss try-sdl"
 822   audio_possible_drivers="oss sdl"
 823   oss_lib="-lossaudio"
 824   HOST_VARIANT_DIR="netbsd"
 825   supported_os="yes"
 826 ;;
 827 OpenBSD)
 828   bsd="yes"
 829   make="${MAKE-gmake}"
 830   audio_drv_list="try-sdl"
 831   audio_possible_drivers="sdl"
 832   HOST_VARIANT_DIR="openbsd"
 833   supported_os="yes"
 834 ;;
 835 Darwin)
 836   bsd="yes"
 837   darwin="yes"
 838   hax="yes"
 839   hvf="yes"
 840   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 841   if [ "$cpu" = "x86_64" ] ; then
 842     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 843     LDFLAGS="-arch x86_64 $LDFLAGS"
 844   fi
 845   cocoa="yes"
 846   audio_drv_list="coreaudio try-sdl"
 847   audio_possible_drivers="coreaudio sdl"
 848   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 849   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 850   # Disable attempts to use ObjectiveC features in os/object.h since they
 851   # won't work when we're compiling with gcc as a C compiler.
 852   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 853   HOST_VARIANT_DIR="darwin"
 854   supported_os="yes"
 855 ;;
 856 SunOS)
 857   solaris="yes"
 858   make="${MAKE-gmake}"
 859   install="${INSTALL-ginstall}"
 860   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 861   if test -f /usr/include/sys/soundcard.h ; then
 862     audio_drv_list="oss try-sdl"
 863   fi
 864   audio_possible_drivers="oss sdl"
 865 # needed for CMSG_ macros in sys/socket.h
 866   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 867 # needed for TIOCWIN* defines in termios.h
 868   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 869   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 870   solarisnetlibs="-lsocket -lnsl -lresolv"
 871   LIBS="$solarisnetlibs $LIBS"
 872   libs_qga="$solarisnetlibs $libs_qga"
 873 ;;
 874 Haiku)
 875   haiku="yes"
 876   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 877   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 878 ;;
 879 Linux)
 880   audio_drv_list="try-pa try-alsa try-sdl oss"
 881   audio_possible_drivers="oss alsa sdl pa"
 882   linux="yes"
 883   linux_user="yes"
 884   kvm="yes"
 885   vhost_net="yes"
 886   vhost_crypto="yes"
 887   vhost_scsi="yes"
 888   vhost_vsock="yes"
 889   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 890   supported_os="yes"
 891   libudev="yes"
 892 ;;
 893 esac
 894
 895 if [ "$bsd" = "yes" ] ; then
 896   if [ "$darwin" != "yes" ] ; then
 897     bsd_user="yes"
 898   fi
 899 fi
 900
 901 : ${make=${MAKE-make}}
 902 : ${install=${INSTALL-install}}
 903 : ${python=${PYTHON-python}}
 904 : ${smbd=${SMBD-/usr/sbin/smbd}}
 905
 906 # Default objcc to clang if available, otherwise use CC
 907 if has clang; then
 908   objcc=clang
 909 else
 910   objcc="$cc"
 911 fi
 912
 913 if test "$mingw32" = "yes" ; then
 914   EXESUF=".exe"
 915   DSOSUF=".dll"
 916   # MinGW needs -mthreads for TLS and macro _MT.
 917   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 918   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 919   write_c_skeleton;
 920   if compile_prog "" "-liberty" ; then
 921     LIBS="-liberty $LIBS"
 922   fi
 923   prefix="c:/Program Files/QEMU"
 924   mandir="\${prefix}"
 925   datadir="\${prefix}"
 926   qemu_docdir="\${prefix}"
 927   bindir="\${prefix}"
 928   sysconfdir="\${prefix}"
 929   local_statedir=
 930   confsuffix=""
 931   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 932 fi
 933
 934 werror=""
 935
 936 for opt do
 937   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 938   case "$opt" in
 939   --help|-h) show_help=yes
 940   ;;
 941   --version|-V) exec cat $source_path/VERSION
 942   ;;
 943   --prefix=*) prefix="$optarg"
 944   ;;
 945   --interp-prefix=*) interp_prefix="$optarg"
 946   ;;
 947   --source-path=*)
 948   ;;
 949   --cross-prefix=*)
 950   ;;
 951   --cc=*)
 952   ;;
 953   --host-cc=*) host_cc="$optarg"
 954   ;;
 955   --cxx=*)
 956   ;;
 957   --iasl=*) iasl="$optarg"
 958   ;;
 959   --objcc=*) objcc="$optarg"
 960   ;;
 961   --make=*) make="$optarg"
 962   ;;
 963   --install=*) install="$optarg"
 964   ;;
 965   --python=*) python="$optarg"
 966   ;;
 967   --gcov=*) gcov_tool="$optarg"
 968   ;;
 969   --smbd=*) smbd="$optarg"
 970   ;;
 971   --extra-cflags=*)
 972   ;;
 973   --extra-cxxflags=*)
 974   ;;
 975   --extra-ldflags=*)
 976   ;;
 977   --enable-debug-info)
 978   ;;
 979   --disable-debug-info)
 980   ;;
 981   --cross-cc-*)
 982   ;;
 983   --enable-modules)
 984       modules="yes"
 985   ;;
 986   --disable-modules)
 987       modules="no"
 988   ;;
 989   --cpu=*)
 990   ;;
 991   --target-list=*) target_list="$optarg"
 992   ;;
 993   --enable-trace-backends=*) trace_backends="$optarg"
 994   ;;
 995   # XXX: backwards compatibility
 996   --enable-trace-backend=*) trace_backends="$optarg"
 997   ;;
 998   --with-trace-file=*) trace_file="$optarg"
 999   ;;
1000   --enable-gprof) gprof="yes"
1001   ;;
1002   --enable-gcov) gcov="yes"
1003   ;;
1004   --static)
1005     static="yes"
1006     LDFLAGS="-static $LDFLAGS"
1007     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1008   ;;
1009   --mandir=*) mandir="$optarg"
1010   ;;
1011   --bindir=*) bindir="$optarg"
1012   ;;
1013   --libdir=*) libdir="$optarg"
1014   ;;
1015   --libexecdir=*) libexecdir="$optarg"
1016   ;;
1017   --includedir=*) includedir="$optarg"
1018   ;;
1019   --datadir=*) datadir="$optarg"
1020   ;;
1021   --with-confsuffix=*) confsuffix="$optarg"
1022   ;;
1023   --docdir=*) qemu_docdir="$optarg"
1024   ;;
1025   --sysconfdir=*) sysconfdir="$optarg"
1026   ;;
1027   --localstatedir=*) local_statedir="$optarg"
1028   ;;
1029   --firmwarepath=*) firmwarepath="$optarg"
1030   ;;
1031   --host=*|--build=*|\
1032   --disable-dependency-tracking|\
1033   --sbindir=*|--sharedstatedir=*|\
1034   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1035   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1036     # These switches are silently ignored, for compatibility with
1037     # autoconf-generated configure scripts. This allows QEMU's
1038     # configure to be used by RPM and similar macros that set
1039     # lots of directory switches by default.
1040   ;;
1041   --disable-sdl) sdl="no"
1042   ;;
1043   --enable-sdl) sdl="yes"
1044   ;;
1045   --disable-sdl-image) sdl_image="no"
1046   ;;
1047   --enable-sdl-image) sdl_image="yes"
1048   ;;
1049   --disable-qom-cast-debug) qom_cast_debug="no"
1050   ;;
1051   --enable-qom-cast-debug) qom_cast_debug="yes"
1052   ;;
1053   --disable-virtfs) virtfs="no"
1054   ;;
1055   --enable-virtfs) virtfs="yes"
1056   ;;
1057   --disable-mpath) mpath="no"
1058   ;;
1059   --enable-mpath) mpath="yes"
1060   ;;
1061   --disable-vnc) vnc="no"
1062   ;;
1063   --enable-vnc) vnc="yes"
1064   ;;
1065   --oss-lib=*) oss_lib="$optarg"
1066   ;;
1067   --audio-drv-list=*) audio_drv_list="$optarg"
1068   ;;
1069   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1070   ;;
1071   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1072   ;;
1073   --enable-debug-tcg) debug_tcg="yes"
1074   ;;
1075   --disable-debug-tcg) debug_tcg="no"
1076   ;;
1077   --enable-debug)
1078       # Enable debugging options that aren't excessively noisy
1079       debug_tcg="yes"
1080       debug_mutex="yes"
1081       debug="yes"
1082       strip_opt="no"
1083       fortify_source="no"
1084   ;;
1085   --enable-sanitizers) sanitizers="yes"
1086   ;;
1087   --disable-sanitizers) sanitizers="no"
1088   ;;
1089   --enable-sparse) sparse="yes"
1090   ;;
1091   --disable-sparse) sparse="no"
1092   ;;
1093   --disable-strip) strip_opt="no"
1094   ;;
1095   --disable-vnc-sasl) vnc_sasl="no"
1096   ;;
1097   --enable-vnc-sasl) vnc_sasl="yes"
1098   ;;
1099   --disable-vnc-jpeg) vnc_jpeg="no"
1100   ;;
1101   --enable-vnc-jpeg) vnc_jpeg="yes"
1102   ;;
1103   --disable-vnc-png) vnc_png="no"
1104   ;;
1105   --enable-vnc-png) vnc_png="yes"
1106   ;;
1107   --disable-slirp) slirp="no"
1108   ;;
1109   --disable-vde) vde="no"
1110   ;;
1111   --enable-vde) vde="yes"
1112   ;;
1113   --disable-netmap) netmap="no"
1114   ;;
1115   --enable-netmap) netmap="yes"
1116   ;;
1117   --disable-xen) xen="no"
1118   ;;
1119   --enable-xen) xen="yes"
1120   ;;
1121   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1122   ;;
1123   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1124   ;;
1125   --disable-brlapi) brlapi="no"
1126   ;;
1127   --enable-brlapi) brlapi="yes"
1128   ;;
1129   --disable-bluez) bluez="no"
1130   ;;
1131   --enable-bluez) bluez="yes"
1132   ;;
1133   --disable-kvm) kvm="no"
1134   ;;
1135   --enable-kvm) kvm="yes"
1136   ;;
1137   --disable-hax) hax="no"
1138   ;;
1139   --enable-hax) hax="yes"
1140   ;;
1141   --disable-hvf) hvf="no"
1142   ;;
1143   --enable-hvf) hvf="yes"
1144   ;;
1145   --disable-whpx) whpx="no"
1146   ;;
1147   --enable-whpx) whpx="yes"
1148   ;;
1149   --disable-tcg-interpreter) tcg_interpreter="no"
1150   ;;
1151   --enable-tcg-interpreter) tcg_interpreter="yes"
1152   ;;
1153   --disable-cap-ng)  cap_ng="no"
1154   ;;
1155   --enable-cap-ng) cap_ng="yes"
1156   ;;
1157   --disable-tcg) tcg="no"
1158   ;;
1159   --enable-tcg) tcg="yes"
1160   ;;
1161   --disable-malloc-trim) malloc_trim="no"
1162   ;;
1163   --enable-malloc-trim) malloc_trim="yes"
1164   ;;
1165   --disable-spice) spice="no"
1166   ;;
1167   --enable-spice) spice="yes"
1168   ;;
1169   --disable-libiscsi) libiscsi="no"
1170   ;;
1171   --enable-libiscsi) libiscsi="yes"
1172   ;;
1173   --disable-libnfs) libnfs="no"
1174   ;;
1175   --enable-libnfs) libnfs="yes"
1176   ;;
1177   --enable-profiler) profiler="yes"
1178   ;;
1179   --disable-cocoa) cocoa="no"
1180   ;;
1181   --enable-cocoa)
1182       cocoa="yes" ;
1183       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1184   ;;
1185   --disable-system) softmmu="no"
1186   ;;
1187   --enable-system) softmmu="yes"
1188   ;;
1189   --disable-user)
1190       linux_user="no" ;
1191       bsd_user="no" ;
1192   ;;
1193   --enable-user) ;;
1194   --disable-linux-user) linux_user="no"
1195   ;;
1196   --enable-linux-user) linux_user="yes"
1197   ;;
1198   --disable-bsd-user) bsd_user="no"
1199   ;;
1200   --enable-bsd-user) bsd_user="yes"
1201   ;;
1202   --enable-pie) pie="yes"
1203   ;;
1204   --disable-pie) pie="no"
1205   ;;
1206   --enable-werror) werror="yes"
1207   ;;
1208   --disable-werror) werror="no"
1209   ;;
1210   --enable-stack-protector) stack_protector="yes"
1211   ;;
1212   --disable-stack-protector) stack_protector="no"
1213   ;;
1214   --disable-curses) curses="no"
1215   ;;
1216   --enable-curses) curses="yes"
1217   ;;
1218   --disable-curl) curl="no"
1219   ;;
1220   --enable-curl) curl="yes"
1221   ;;
1222   --disable-fdt) fdt="no"
1223   ;;
1224   --enable-fdt) fdt="yes"
1225   ;;
1226   --disable-linux-aio) linux_aio="no"
1227   ;;
1228   --enable-linux-aio) linux_aio="yes"
1229   ;;
1230   --disable-attr) attr="no"
1231   ;;
1232   --enable-attr) attr="yes"
1233   ;;
1234   --disable-membarrier) membarrier="no"
1235   ;;
1236   --enable-membarrier) membarrier="yes"
1237   ;;
1238   --disable-blobs) blobs="no"
1239   ;;
1240   --with-pkgversion=*) pkgversion="$optarg"
1241   ;;
1242   --with-coroutine=*) coroutine="$optarg"
1243   ;;
1244   --disable-coroutine-pool) coroutine_pool="no"
1245   ;;
1246   --enable-coroutine-pool) coroutine_pool="yes"
1247   ;;
1248   --enable-debug-stack-usage) debug_stack_usage="yes"
1249   ;;
1250   --enable-crypto-afalg) crypto_afalg="yes"
1251   ;;
1252   --disable-crypto-afalg) crypto_afalg="no"
1253   ;;
1254   --disable-docs) docs="no"
1255   ;;
1256   --enable-docs) docs="yes"
1257   ;;
1258   --disable-vhost-net) vhost_net="no"
1259   ;;
1260   --enable-vhost-net) vhost_net="yes"
1261   ;;
1262   --disable-vhost-crypto) vhost_crypto="no"
1263   ;;
1264   --enable-vhost-crypto)
1265       vhost_crypto="yes"
1266       if test "$mingw32" = "yes"; then
1267           error_exit "vhost-crypto isn't available on win32"
1268       fi
1269   ;;
1270   --disable-vhost-scsi) vhost_scsi="no"
1271   ;;
1272   --enable-vhost-scsi) vhost_scsi="yes"
1273   ;;
1274   --disable-vhost-vsock) vhost_vsock="no"
1275   ;;
1276   --enable-vhost-vsock) vhost_vsock="yes"
1277   ;;
1278   --disable-opengl) opengl="no"
1279   ;;
1280   --enable-opengl) opengl="yes"
1281   ;;
1282   --disable-rbd) rbd="no"
1283   ;;
1284   --enable-rbd) rbd="yes"
1285   ;;
1286   --disable-xfsctl) xfs="no"
1287   ;;
1288   --enable-xfsctl) xfs="yes"
1289   ;;
1290   --disable-smartcard) smartcard="no"
1291   ;;
1292   --enable-smartcard) smartcard="yes"
1293   ;;
1294   --disable-libusb) libusb="no"
1295   ;;
1296   --enable-libusb) libusb="yes"
1297   ;;
1298   --disable-usb-redir) usb_redir="no"
1299   ;;
1300   --enable-usb-redir) usb_redir="yes"
1301   ;;
1302   --disable-zlib-test) zlib="no"
1303   ;;
1304   --disable-lzo) lzo="no"
1305   ;;
1306   --enable-lzo) lzo="yes"
1307   ;;
1308   --disable-snappy) snappy="no"
1309   ;;
1310   --enable-snappy) snappy="yes"
1311   ;;
1312   --disable-bzip2) bzip2="no"
1313   ;;
1314   --enable-bzip2) bzip2="yes"
1315   ;;
1316   --enable-lzfse) lzfse="yes"
1317   ;;
1318   --disable-lzfse) lzfse="no"
1319   ;;
1320   --enable-guest-agent) guest_agent="yes"
1321   ;;
1322   --disable-guest-agent) guest_agent="no"
1323   ;;
1324   --enable-guest-agent-msi) guest_agent_msi="yes"
1325   ;;
1326   --disable-guest-agent-msi) guest_agent_msi="no"
1327   ;;
1328   --with-vss-sdk) vss_win32_sdk=""
1329   ;;
1330   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1331   ;;
1332   --without-vss-sdk) vss_win32_sdk="no"
1333   ;;
1334   --with-win-sdk) win_sdk=""
1335   ;;
1336   --with-win-sdk=*) win_sdk="$optarg"
1337   ;;
1338   --without-win-sdk) win_sdk="no"
1339   ;;
1340   --enable-tools) want_tools="yes"
1341   ;;
1342   --disable-tools) want_tools="no"
1343   ;;
1344   --enable-seccomp) seccomp="yes"
1345   ;;
1346   --disable-seccomp) seccomp="no"
1347   ;;
1348   --disable-glusterfs) glusterfs="no"
1349   ;;
1350   --disable-avx2) avx2_opt="no"
1351   ;;
1352   --enable-avx2) avx2_opt="yes"
1353   ;;
1354   --enable-glusterfs) glusterfs="yes"
1355   ;;
1356   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1357       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1358   ;;
1359   --enable-vhdx|--disable-vhdx)
1360       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1361   ;;
1362   --enable-uuid|--disable-uuid)
1363       echo "$0: $opt is obsolete, UUID support is always built" >&2
1364   ;;
1365   --disable-gtk) gtk="no"
1366   ;;
1367   --enable-gtk) gtk="yes"
1368   ;;
1369   --tls-priority=*) tls_priority="$optarg"
1370   ;;
1371   --disable-gnutls) gnutls="no"
1372   ;;
1373   --enable-gnutls) gnutls="yes"
1374   ;;
1375   --disable-nettle) nettle="no"
1376   ;;
1377   --enable-nettle) nettle="yes"
1378   ;;
1379   --disable-gcrypt) gcrypt="no"
1380   ;;
1381   --enable-gcrypt) gcrypt="yes"
1382   ;;
1383   --enable-rdma) rdma="yes"
1384   ;;
1385   --disable-rdma) rdma="no"
1386   ;;
1387   --enable-pvrdma) pvrdma="yes"
1388   ;;
1389   --disable-pvrdma) pvrdma="no"
1390   ;;
1391   --disable-vte) vte="no"
1392   ;;
1393   --enable-vte) vte="yes"
1394   ;;
1395   --disable-virglrenderer) virglrenderer="no"
1396   ;;
1397   --enable-virglrenderer) virglrenderer="yes"
1398   ;;
1399   --disable-tpm) tpm="no"
1400   ;;
1401   --enable-tpm) tpm="yes"
1402   ;;
1403   --disable-libssh2) libssh2="no"
1404   ;;
1405   --enable-libssh2) libssh2="yes"
1406   ;;
1407   --disable-live-block-migration) live_block_migration="no"
1408   ;;
1409   --enable-live-block-migration) live_block_migration="yes"
1410   ;;
1411   --disable-numa) numa="no"
1412   ;;
1413   --enable-numa) numa="yes"
1414   ;;
1415   --disable-libxml2) libxml2="no"
1416   ;;
1417   --enable-libxml2) libxml2="yes"
1418   ;;
1419   --disable-tcmalloc) tcmalloc="no"
1420   ;;
1421   --enable-tcmalloc) tcmalloc="yes"
1422   ;;
1423   --disable-jemalloc) jemalloc="no"
1424   ;;
1425   --enable-jemalloc) jemalloc="yes"
1426   ;;
1427   --disable-replication) replication="no"
1428   ;;
1429   --enable-replication) replication="yes"
1430   ;;
1431   --disable-vxhs) vxhs="no"
1432   ;;
1433   --enable-vxhs) vxhs="yes"
1434   ;;
1435   --disable-bochs) bochs="no"
1436   ;;
1437   --enable-bochs) bochs="yes"
1438   ;;
1439   --disable-cloop) cloop="no"
1440   ;;
1441   --enable-cloop) cloop="yes"
1442   ;;
1443   --disable-dmg) dmg="no"
1444   ;;
1445   --enable-dmg) dmg="yes"
1446   ;;
1447   --disable-qcow1) qcow1="no"
1448   ;;
1449   --enable-qcow1) qcow1="yes"
1450   ;;
1451   --disable-vdi) vdi="no"
1452   ;;
1453   --enable-vdi) vdi="yes"
1454   ;;
1455   --disable-vvfat) vvfat="no"
1456   ;;
1457   --enable-vvfat) vvfat="yes"
1458   ;;
1459   --disable-qed) qed="no"
1460   ;;
1461   --enable-qed) qed="yes"
1462   ;;
1463   --disable-parallels) parallels="no"
1464   ;;
1465   --enable-parallels) parallels="yes"
1466   ;;
1467   --disable-sheepdog) sheepdog="no"
1468   ;;
1469   --enable-sheepdog) sheepdog="yes"
1470   ;;
1471   --disable-vhost-user) vhost_user="no"
1472   ;;
1473   --enable-vhost-user)
1474       vhost_user="yes"
1475       if test "$mingw32" = "yes"; then
1476           error_exit "vhost-user isn't available on win32"
1477       fi
1478   ;;
1479   --disable-capstone) capstone="no"
1480   ;;
1481   --enable-capstone) capstone="yes"
1482   ;;
1483   --enable-capstone=git) capstone="git"
1484   ;;
1485   --enable-capstone=system) capstone="system"
1486   ;;
1487   --with-git=*) git="$optarg"
1488   ;;
1489   --enable-git-update) git_update=yes
1490   ;;
1491   --disable-git-update) git_update=no
1492   ;;
1493   --enable-debug-mutex) debug_mutex=yes
1494   ;;
1495   --disable-debug-mutex) debug_mutex=no
1496   ;;
1497   --enable-libpmem) libpmem=yes
1498   ;;
1499   --disable-libpmem) libpmem=no
1500   ;;
1501   *)
1502       echo "ERROR: unknown option $opt"
1503       echo "Try '$0 --help' for more information"
1504       exit 1
1505   ;;
1506   esac
1507 done
1508
1509 if test "$vhost_user" = ""; then
1510     if test "$mingw32" = "yes"; then
1511         vhost_user="no"
1512     else
1513         vhost_user="yes"
1514     fi
1515 fi
1516
1517 case "$cpu" in
1518     ppc)
1519            CPU_CFLAGS="-m32"
1520            LDFLAGS="-m32 $LDFLAGS"
1521            cross_cc_powerpc=$cc
1522            cross_cc_cflags_powerpc=$CPU_CFLAGS
1523            ;;
1524     ppc64)
1525            CPU_CFLAGS="-m64"
1526            LDFLAGS="-m64 $LDFLAGS"
1527            cross_cc_ppc64=$cc
1528            cross_cc_cflags_ppc64=$CPU_CFLAGS
1529            ;;
1530     sparc)
1531            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1532            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1533            cross_cc_sparc=$cc
1534            cross_cc_cflags_sparc=$CPU_CFLAGS
1535            ;;
1536     sparc64)
1537            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1538            LDFLAGS="-m64 $LDFLAGS"
1539            cross_cc_sparc64=$cc
1540            cross_cc_cflags_sparc64=$CPU_CFLAGS
1541            ;;
1542     s390)
1543            CPU_CFLAGS="-m31"
1544            LDFLAGS="-m31 $LDFLAGS"
1545            cross_cc_s390=$cc
1546            cross_cc_cflags_s390=$CPU_CFLAGS
1547            ;;
1548     s390x)
1549            CPU_CFLAGS="-m64"
1550            LDFLAGS="-m64 $LDFLAGS"
1551            cross_cc_s390x=$cc
1552            cross_cc_cflags_s390x=$CPU_CFLAGS
1553            ;;
1554     i386)
1555            CPU_CFLAGS="-m32"
1556            LDFLAGS="-m32 $LDFLAGS"
1557            cross_cc_i386=$cc
1558            cross_cc_cflags_i386=$CPU_CFLAGS
1559            ;;
1560     x86_64)
1561            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1562            # If we truly care, we should simply detect this case at
1563            # runtime and generate the fallback to serial emulation.
1564            CPU_CFLAGS="-m64 -mcx16"
1565            LDFLAGS="-m64 $LDFLAGS"
1566            cross_cc_x86_64=$cc
1567            cross_cc_cflags_x86_64=$CPU_CFLAGS
1568            ;;
1569     x32)
1570            CPU_CFLAGS="-mx32"
1571            LDFLAGS="-mx32 $LDFLAGS"
1572            cross_cc_i386=$cc
1573            cross_cc_cflags_i386=$CPU_CFLAGS
1574            ;;
1575     # No special flags required for other host CPUs
1576 esac
1577
1578 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1579
1580 # For user-mode emulation the host arch has to be one we explicitly
1581 # support, even if we're using TCI.
1582 if [ "$ARCH" = "unknown" ]; then
1583   bsd_user="no"
1584   linux_user="no"
1585 fi
1586
1587 default_target_list=""
1588
1589 mak_wilds=""
1590
1591 if [ "$softmmu" = "yes" ]; then
1592     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1593 fi
1594 if [ "$linux_user" = "yes" ]; then
1595     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1596 fi
1597 if [ "$bsd_user" = "yes" ]; then
1598     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1599 fi
1600
1601 for config in $mak_wilds; do
1602     default_target_list="${default_target_list} $(basename "$config" .mak)"
1603 done
1604
1605 # Enumerate public trace backends for --help output
1606 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1607
1608 if test x"$show_help" = x"yes" ; then
1609 cat << EOF
1610
1611 Usage: configure [options]
1612 Options: [defaults in brackets after descriptions]
1613
1614 Standard options:
1615   --help                   print this message
1616   --prefix=PREFIX          install in PREFIX [$prefix]
1617   --interp-prefix=PREFIX   where to find shared libraries, etc.
1618                            use %M for cpu name [$interp_prefix]
1619   --target-list=LIST       set target list (default: build everything)
1620 $(echo Available targets: $default_target_list | \
1621   fold -s -w 53 | sed -e 's/^/                           /')
1622
1623 Advanced options (experts only):
1624   --source-path=PATH       path of source code [$source_path]
1625   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1626   --cc=CC                  use C compiler CC [$cc]
1627   --iasl=IASL              use ACPI compiler IASL [$iasl]
1628   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1629                            build time
1630   --cxx=CXX                use C++ compiler CXX [$cxx]
1631   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1632   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1633   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1634   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1635   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1636   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1637   --make=MAKE              use specified make [$make]
1638   --install=INSTALL        use specified install [$install]
1639   --python=PYTHON          use specified python [$python]
1640   --smbd=SMBD              use specified smbd [$smbd]
1641   --with-git=GIT           use specified git [$git]
1642   --static                 enable static build [$static]
1643   --mandir=PATH            install man pages in PATH
1644   --datadir=PATH           install firmware in PATH$confsuffix
1645   --docdir=PATH            install documentation in PATH$confsuffix
1646   --bindir=PATH            install binaries in PATH
1647   --libdir=PATH            install libraries in PATH
1648   --libexecdir=PATH        install helper binaries in PATH
1649   --sysconfdir=PATH        install config in PATH$confsuffix
1650   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1651   --firmwarepath=PATH      search PATH for firmware files
1652   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1653   --with-pkgversion=VERS   use specified string as sub-version of the package
1654   --enable-debug           enable common debug build options
1655   --enable-sanitizers      enable default sanitizers
1656   --disable-strip          disable stripping binaries
1657   --disable-werror         disable compilation abort on warning
1658   --disable-stack-protector disable compiler-provided stack protection
1659   --audio-drv-list=LIST    set audio drivers list:
1660                            Available drivers: $audio_possible_drivers
1661   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1662   --block-drv-rw-whitelist=L
1663                            set block driver read-write whitelist
1664                            (affects only QEMU, not qemu-img)
1665   --block-drv-ro-whitelist=L
1666                            set block driver read-only whitelist
1667                            (affects only QEMU, not qemu-img)
1668   --enable-trace-backends=B Set trace backend
1669                            Available backends: $trace_backend_list
1670   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1671                            Default:trace-<pid>
1672   --disable-slirp          disable SLIRP userspace network connectivity
1673   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1674   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1675   --oss-lib                path to OSS library
1676   --cpu=CPU                Build for host CPU [$cpu]
1677   --with-coroutine=BACKEND coroutine backend. Supported options:
1678                            ucontext, sigaltstack, windows
1679   --enable-gcov            enable test coverage analysis with gcov
1680   --gcov=GCOV              use specified gcov [$gcov_tool]
1681   --disable-blobs          disable installing provided firmware blobs
1682   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1683   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1684   --tls-priority           default TLS protocol/cipher priority string
1685   --enable-gprof           QEMU profiling with gprof
1686   --enable-profiler        profiler support
1687   --enable-debug-stack-usage
1688                            track the maximum stack usage of stacks created by qemu_alloc_stack
1689
1690 Optional features, enabled with --enable-FEATURE and
1691 disabled with --disable-FEATURE, default is enabled if available:
1692
1693   system          all system emulation targets
1694   user            supported user emulation targets
1695   linux-user      all linux usermode emulation targets
1696   bsd-user        all BSD usermode emulation targets
1697   docs            build documentation
1698   guest-agent     build the QEMU Guest Agent
1699   guest-agent-msi build guest agent Windows MSI installation package
1700   pie             Position Independent Executables
1701   modules         modules support
1702   debug-tcg       TCG debugging (default is disabled)
1703   debug-info      debugging information
1704   sparse          sparse checker
1705
1706   gnutls          GNUTLS cryptography support
1707   nettle          nettle cryptography support
1708   gcrypt          libgcrypt cryptography support
1709   sdl             SDL UI
1710   sdl_image       SDL Image support for icons
1711   gtk             gtk UI
1712   vte             vte support for the gtk UI
1713   curses          curses UI
1714   vnc             VNC UI support
1715   vnc-sasl        SASL encryption for VNC server
1716   vnc-jpeg        JPEG lossy compression for VNC server
1717   vnc-png         PNG compression for VNC server
1718   cocoa           Cocoa UI (Mac OS X only)
1719   virtfs          VirtFS
1720   mpath           Multipath persistent reservation passthrough
1721   xen             xen backend driver support
1722   xen-pci-passthrough    PCI passthrough support for Xen
1723   brlapi          BrlAPI (Braile)
1724   curl            curl connectivity
1725   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1726   fdt             fdt device tree
1727   bluez           bluez stack connectivity
1728   kvm             KVM acceleration support
1729   hax             HAX acceleration support
1730   hvf             Hypervisor.framework acceleration support
1731   whpx            Windows Hypervisor Platform acceleration support
1732   rdma            Enable RDMA-based migration
1733   pvrdma          Enable PVRDMA support
1734   vde             support for vde network
1735   netmap          support for netmap network
1736   linux-aio       Linux AIO support
1737   cap-ng          libcap-ng support
1738   attr            attr and xattr support
1739   vhost-net       vhost-net acceleration support
1740   vhost-crypto    vhost-crypto acceleration support
1741   spice           spice
1742   rbd             rados block device (rbd)
1743   libiscsi        iscsi support
1744   libnfs          nfs support
1745   smartcard       smartcard support (libcacard)
1746   libusb          libusb (for usb passthrough)
1747   live-block-migration   Block migration in the main migration stream
1748   usb-redir       usb network redirection support
1749   lzo             support of lzo compression library
1750   snappy          support of snappy compression library
1751   bzip2           support of bzip2 compression library
1752                   (for reading bzip2-compressed dmg images)
1753   lzfse           support of lzfse compression library
1754                   (for reading lzfse-compressed dmg images)
1755   seccomp         seccomp support
1756   coroutine-pool  coroutine freelist (better performance)
1757   glusterfs       GlusterFS backend
1758   tpm             TPM support
1759   libssh2         ssh block device support
1760   numa            libnuma support
1761   libxml2         for Parallels image format
1762   tcmalloc        tcmalloc support
1763   jemalloc        jemalloc support
1764   avx2            AVX2 optimization support
1765   replication     replication support
1766   vhost-vsock     virtio sockets device support
1767   opengl          opengl support
1768   virglrenderer   virgl rendering support
1769   xfsctl          xfsctl support
1770   qom-cast-debug  cast debugging support
1771   tools           build qemu-io, qemu-nbd and qemu-image tools
1772   vxhs            Veritas HyperScale vDisk backend support
1773   bochs           bochs image format support
1774   cloop           cloop image format support
1775   dmg             dmg image format support
1776   qcow1           qcow v1 image format support
1777   vdi             vdi image format support
1778   vvfat           vvfat image format support
1779   qed             qed image format support
1780   parallels       parallels image format support
1781   sheepdog        sheepdog block driver support
1782   crypto-afalg    Linux AF_ALG crypto backend driver
1783   vhost-user      vhost-user support
1784   capstone        capstone disassembler support
1785   debug-mutex     mutex debugging support
1786   libpmem         libpmem support
1787
1788 NOTE: The object files are built at the place where configure is launched
1789 EOF
1790 exit 0
1791 fi
1792
1793 if ! has $python; then
1794   error_exit "Python not found. Use --python=/path/to/python"
1795 fi
1796
1797 # Note that if the Python conditional here evaluates True we will exit
1798 # with status 1 which is a shell 'false' value.
1799 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1800   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1801       "Use --python=/path/to/python to specify a supported Python."
1802 fi
1803
1804 # Preserve python version since some functionality is dependent on it
1805 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1806
1807 # Suppress writing compiled files
1808 python="$python -B"
1809
1810 # Check that the C compiler works. Doing this here before testing
1811 # the host CPU ensures that we had a valid CC to autodetect the
1812 # $cpu var (and we should bail right here if that's not the case).
1813 # It also allows the help message to be printed without a CC.
1814 write_c_skeleton;
1815 if compile_object ; then
1816   : C compiler works ok
1817 else
1818     error_exit "\"$cc\" either does not exist or does not work"
1819 fi
1820 if ! compile_prog ; then
1821     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1822 fi
1823
1824 # Now we have handled --enable-tcg-interpreter and know we're not just
1825 # printing the help message, bail out if the host CPU isn't supported.
1826 if test "$ARCH" = "unknown"; then
1827     if test "$tcg_interpreter" = "yes" ; then
1828         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1829     else
1830         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1831     fi
1832 fi
1833
1834 # Consult white-list to determine whether to enable werror
1835 # by default.  Only enable by default for git builds
1836 if test -z "$werror" ; then
1837     if test -d "$source_path/.git" && \
1838         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1839         werror="yes"
1840     else
1841         werror="no"
1842     fi
1843 fi
1844
1845 if test "$bogus_os" = "yes"; then
1846     # Now that we know that we're not printing the help and that
1847     # the compiler works (so the results of the check_defines we used
1848     # to identify the OS are reliable), if we didn't recognize the
1849     # host OS we should stop now.
1850     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1851 fi
1852
1853 # Check whether the compiler matches our minimum requirements:
1854 cat > $TMPC << EOF
1855 #if defined(__clang_major__) && defined(__clang_minor__)
1856 # ifdef __apple_build_version__
1857 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1858 #   error You need at least XCode Clang v5.1 to compile QEMU
1859 #  endif
1860 # else
1861 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1862 #   error You need at least Clang v3.4 to compile QEMU
1863 #  endif
1864 # endif
1865 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1866 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1867 #  error You need at least GCC v4.8 to compile QEMU
1868 # endif
1869 #else
1870 # error You either need GCC or Clang to compiler QEMU
1871 #endif
1872 int main (void) { return 0; }
1873 EOF
1874 if ! compile_prog "" "" ; then
1875     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1876 fi
1877
1878 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1879 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1880 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1881 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1882 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1883 gcc_flags="-Wno-string-plus-int $gcc_flags"
1884 gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
1885 # Note that we do not add -Werror to gcc_flags here, because that would
1886 # enable it for all configure tests. If a configure test failed due
1887 # to -Werror this would just silently disable some features,
1888 # so it's too error prone.
1889
1890 cc_has_warning_flag() {
1891     write_c_skeleton;
1892
1893     # Use the positive sense of the flag when testing for -Wno-wombat
1894     # support (gcc will happily accept the -Wno- form of unknown
1895     # warning options).
1896     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1897     compile_prog "-Werror $optflag" ""
1898 }
1899
1900 for flag in $gcc_flags; do
1901     if cc_has_warning_flag $flag ; then
1902         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1903     fi
1904 done
1905
1906 if test "$stack_protector" != "no"; then
1907   cat > $TMPC << EOF
1908 int main(int argc, char *argv[])
1909 {
1910     char arr[64], *p = arr, *c = argv[0];
1911     while (*c) {
1912         *p++ = *c++;
1913     }
1914     return 0;
1915 }
1916 EOF
1917   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1918   sp_on=0
1919   for flag in $gcc_flags; do
1920     # We need to check both a compile and a link, since some compiler
1921     # setups fail only on a .c->.o compile and some only at link time
1922     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1923        compile_prog "-Werror $flag" ""; then
1924       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1925       sp_on=1
1926       break
1927     fi
1928   done
1929   if test "$stack_protector" = yes; then
1930     if test $sp_on = 0; then
1931       error_exit "Stack protector not supported"
1932     fi
1933   fi
1934 fi
1935
1936 # Disable -Wmissing-braces on older compilers that warn even for
1937 # the "universal" C zero initializer {0}.
1938 cat > $TMPC << EOF
1939 struct {
1940   int a[2];
1941 } x = {0};
1942 EOF
1943 if compile_object "-Werror" "" ; then
1944   :
1945 else
1946   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1947 fi
1948
1949 # Static linking is not possible with modules or PIE
1950 if test "$static" = "yes" ; then
1951   if test "$modules" = "yes" ; then
1952     error_exit "static and modules are mutually incompatible"
1953   fi
1954   if test "$pie" = "yes" ; then
1955     error_exit "static and pie are mutually incompatible"
1956   else
1957     pie="no"
1958   fi
1959 fi
1960
1961 # Unconditional check for compiler __thread support
1962   cat > $TMPC << EOF
1963 static __thread int tls_var;
1964 int main(void) { return tls_var; }
1965 EOF
1966
1967 if ! compile_prog "-Werror" "" ; then
1968     error_exit "Your compiler does not support the __thread specifier for " \
1969         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1970 fi
1971
1972 if test "$pie" = ""; then
1973   case "$cpu-$targetos" in
1974     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1975       ;;
1976     *)
1977       pie="no"
1978       ;;
1979   esac
1980 fi
1981
1982 if test "$pie" != "no" ; then
1983   cat > $TMPC << EOF
1984
1985 #ifdef __linux__
1986 #  define THREAD __thread
1987 #else
1988 #  define THREAD
1989 #endif
1990
1991 static THREAD int tls_var;
1992
1993 int main(void) { return tls_var; }
1994
1995 EOF
1996   if compile_prog "-fPIE -DPIE" "-pie"; then
1997     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1998     LDFLAGS="-pie $LDFLAGS"
1999     pie="yes"
2000     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2001       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2002     fi
2003   else
2004     if test "$pie" = "yes"; then
2005       error_exit "PIE not available due to missing toolchain support"
2006     else
2007       echo "Disabling PIE due to missing toolchain support"
2008       pie="no"
2009     fi
2010   fi
2011
2012   if compile_prog "-Werror -fno-pie" "-nopie"; then
2013     CFLAGS_NOPIE="-fno-pie"
2014     LDFLAGS_NOPIE="-nopie"
2015   fi
2016 fi
2017
2018 ##########################################
2019 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2020 # use i686 as default anyway, but for those that don't, an explicit
2021 # specification is necessary
2022
2023 if test "$cpu" = "i386"; then
2024   cat > $TMPC << EOF
2025 static int sfaa(int *ptr)
2026 {
2027   return __sync_fetch_and_and(ptr, 0);
2028 }
2029
2030 int main(void)
2031 {
2032   int val = 42;
2033   val = __sync_val_compare_and_swap(&val, 0, 1);
2034   sfaa(&val);
2035   return val;
2036 }
2037 EOF
2038   if ! compile_prog "" "" ; then
2039     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2040   fi
2041 fi
2042
2043 #########################################
2044 # Solaris specific configure tool chain decisions
2045
2046 if test "$solaris" = "yes" ; then
2047   if has $install; then
2048     :
2049   else
2050     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2051         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2052         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2053   fi
2054   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2055     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2056         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2057         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2058   fi
2059   if has ar; then
2060     :
2061   else
2062     if test -f /usr/ccs/bin/ar ; then
2063       error_exit "No path includes ar" \
2064           "Add /usr/ccs/bin to your path and rerun configure"
2065     fi
2066     error_exit "No path includes ar"
2067   fi
2068 fi
2069
2070 if test -z "${target_list+xxx}" ; then
2071     for target in $default_target_list; do
2072         supported_target $target 2>/dev/null && \
2073             target_list="$target_list $target"
2074     done
2075     target_list="${target_list# }"
2076 else
2077     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2078     for target in $target_list; do
2079         # Check that we recognised the target name; this allows a more
2080         # friendly error message than if we let it fall through.
2081         case " $default_target_list " in
2082             *" $target "*)
2083                 ;;
2084             *)
2085                 error_exit "Unknown target name '$target'"
2086                 ;;
2087         esac
2088         supported_target $target || exit 1
2089     done
2090 fi
2091
2092 # see if system emulation was really requested
2093 case " $target_list " in
2094   *"-softmmu "*) softmmu=yes
2095   ;;
2096   *) softmmu=no
2097   ;;
2098 esac
2099
2100 feature_not_found() {
2101   feature=$1
2102   remedy=$2
2103
2104   error_exit "User requested feature $feature" \
2105       "configure was not able to find it." \
2106       "$remedy"
2107 }
2108
2109 # ---
2110 # big/little endian test
2111 cat > $TMPC << EOF
2112 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2113 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2114 extern int foo(short *, short *);
2115 int main(int argc, char *argv[]) {
2116     return foo(big_endian, little_endian);
2117 }
2118 EOF
2119
2120 if compile_object ; then
2121     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2122         bigendian="yes"
2123     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2124         bigendian="no"
2125     else
2126         echo big/little test failed
2127     fi
2128 else
2129     echo big/little test failed
2130 fi
2131
2132 ##########################################
2133 # cocoa implies not SDL or GTK
2134 # (the cocoa UI code currently assumes it is always the active UI
2135 # and doesn't interact well with other UI frontend code)
2136 if test "$cocoa" = "yes"; then
2137     if test "$sdl" = "yes"; then
2138         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2139     fi
2140     if test "$gtk" = "yes"; then
2141         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2142     fi
2143     gtk=no
2144     sdl=no
2145 fi
2146
2147 # Some versions of Mac OS X incorrectly define SIZE_MAX
2148 cat > $TMPC << EOF
2149 #include <stdint.h>
2150 #include <stdio.h>
2151 int main(int argc, char *argv[]) {
2152     return printf("%zu", SIZE_MAX);
2153 }
2154 EOF
2155 have_broken_size_max=no
2156 if ! compile_object -Werror ; then
2157     have_broken_size_max=yes
2158 fi
2159
2160 ##########################################
2161 # L2TPV3 probe
2162
2163 cat > $TMPC <<EOF
2164 #include <sys/socket.h>
2165 #include <linux/ip.h>
2166 int main(void) { return sizeof(struct mmsghdr); }
2167 EOF
2168 if compile_prog "" "" ; then
2169   l2tpv3=yes
2170 else
2171   l2tpv3=no
2172 fi
2173
2174 ##########################################
2175 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2176
2177 if test "$mingw32" = "yes"; then
2178     # Some versions of MinGW / Mingw-w64 lack localtime_r
2179     # and gmtime_r entirely.
2180     #
2181     # Some versions of Mingw-w64 define a macro for
2182     # localtime_r/gmtime_r.
2183     #
2184     # Some versions of Mingw-w64 will define functions
2185     # for localtime_r/gmtime_r, but only if you have
2186     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2187     # though, unistd.h and pthread.h both define
2188     # that for you.
2189     #
2190     # So this #undef localtime_r and #include <unistd.h>
2191     # are not in fact redundant.
2192 cat > $TMPC << EOF
2193 #include <unistd.h>
2194 #include <time.h>
2195 #undef localtime_r
2196 int main(void) { localtime_r(NULL, NULL); return 0; }
2197 EOF
2198     if compile_prog "" "" ; then
2199         localtime_r="yes"
2200     else
2201         localtime_r="no"
2202     fi
2203 fi
2204
2205 ##########################################
2206 # pkg-config probe
2207
2208 if ! has "$pkg_config_exe"; then
2209   error_exit "pkg-config binary '$pkg_config_exe' not found"
2210 fi
2211
2212 ##########################################
2213 # NPTL probe
2214
2215 if test "$linux_user" = "yes"; then
2216   cat > $TMPC <<EOF
2217 #include <sched.h>
2218 #include <linux/futex.h>
2219 int main(void) {
2220 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2221 #error bork
2222 #endif
2223   return 0;
2224 }
2225 EOF
2226   if ! compile_object ; then
2227     feature_not_found "nptl" "Install glibc and linux kernel headers."
2228   fi
2229 fi
2230
2231 ##########################################
2232 # lzo check
2233
2234 if test "$lzo" != "no" ; then
2235     cat > $TMPC << EOF
2236 #include <lzo/lzo1x.h>
2237 int main(void) { lzo_version(); return 0; }
2238 EOF
2239     if compile_prog "" "-llzo2" ; then
2240         libs_softmmu="$libs_softmmu -llzo2"
2241         lzo="yes"
2242     else
2243         if test "$lzo" = "yes"; then
2244             feature_not_found "liblzo2" "Install liblzo2 devel"
2245         fi
2246         lzo="no"
2247     fi
2248 fi
2249
2250 ##########################################
2251 # snappy check
2252
2253 if test "$snappy" != "no" ; then
2254     cat > $TMPC << EOF
2255 #include <snappy-c.h>
2256 int main(void) { snappy_max_compressed_length(4096); return 0; }
2257 EOF
2258     if compile_prog "" "-lsnappy" ; then
2259         libs_softmmu="$libs_softmmu -lsnappy"
2260         snappy="yes"
2261     else
2262         if test "$snappy" = "yes"; then
2263             feature_not_found "libsnappy" "Install libsnappy devel"
2264         fi
2265         snappy="no"
2266     fi
2267 fi
2268
2269 ##########################################
2270 # bzip2 check
2271
2272 if test "$bzip2" != "no" ; then
2273     cat > $TMPC << EOF
2274 #include <bzlib.h>
2275 int main(void) { BZ2_bzlibVersion(); return 0; }
2276 EOF
2277     if compile_prog "" "-lbz2" ; then
2278         bzip2="yes"
2279     else
2280         if test "$bzip2" = "yes"; then
2281             feature_not_found "libbzip2" "Install libbzip2 devel"
2282         fi
2283         bzip2="no"
2284     fi
2285 fi
2286
2287 ##########################################
2288 # lzfse check
2289
2290 if test "$lzfse" != "no" ; then
2291     cat > $TMPC << EOF
2292 #include <lzfse.h>
2293 int main(void) { lzfse_decode_scratch_size(); return 0; }
2294 EOF
2295     if compile_prog "" "-llzfse" ; then
2296         lzfse="yes"
2297     else
2298         if test "$lzfse" = "yes"; then
2299             feature_not_found "lzfse" "Install lzfse devel"
2300         fi
2301         lzfse="no"
2302     fi
2303 fi
2304
2305 ##########################################
2306 # libseccomp check
2307
2308 libseccomp_minver="2.2.0"
2309 if test "$seccomp" != "no" ; then
2310     case "$cpu" in
2311     i386|x86_64|mips)
2312         ;;
2313     arm|aarch64)
2314         libseccomp_minver="2.2.3"
2315         ;;
2316     ppc|ppc64|s390x)
2317         libseccomp_minver="2.3.0"
2318         ;;
2319     *)
2320         libseccomp_minver=""
2321         ;;
2322     esac
2323
2324     if test "$libseccomp_minver" != "" &&
2325        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2326         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2327         seccomp_libs="$($pkg_config --libs libseccomp)"
2328         seccomp="yes"
2329     else
2330         if test "$seccomp" = "yes" ; then
2331             if test "$libseccomp_minver" != "" ; then
2332                 feature_not_found "libseccomp" \
2333                     "Install libseccomp devel >= $libseccomp_minver"
2334             else
2335                 feature_not_found "libseccomp" \
2336                     "libseccomp is not supported for host cpu $cpu"
2337             fi
2338         fi
2339         seccomp="no"
2340     fi
2341 fi
2342 ##########################################
2343 # xen probe
2344
2345 if test "$xen" != "no" ; then
2346   # Check whether Xen library path is specified via --extra-ldflags to avoid
2347   # overriding this setting with pkg-config output. If not, try pkg-config
2348   # to obtain all needed flags.
2349
2350   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2351      $pkg_config --exists xencontrol ; then
2352     xen_ctrl_version="$(printf '%d%02d%02d' \
2353       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2354     xen=yes
2355     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2356     xen_pc="$xen_pc xenevtchn xendevicemodel"
2357     if $pkg_config --exists xentoolcore; then
2358       xen_pc="$xen_pc xentoolcore"
2359     fi
2360     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2361     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2362   else
2363
2364     xen_libs="-lxenstore -lxenctrl -lxenguest"
2365     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2366
2367     # First we test whether Xen headers and libraries are available.
2368     # If no, we are done and there is no Xen support.
2369     # If yes, more tests are run to detect the Xen version.
2370
2371     # Xen (any)
2372     cat > $TMPC <<EOF
2373 #include <xenctrl.h>
2374 int main(void) {
2375   return 0;
2376 }
2377 EOF
2378     if ! compile_prog "" "$xen_libs" ; then
2379       # Xen not found
2380       if test "$xen" = "yes" ; then
2381         feature_not_found "xen" "Install xen devel"
2382       fi
2383       xen=no
2384
2385     # Xen unstable
2386     elif
2387         cat > $TMPC <<EOF &&
2388 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2389 #define __XEN_TOOLS__
2390 #include <xendevicemodel.h>
2391 #include <xenforeignmemory.h>
2392 int main(void) {
2393   xendevicemodel_handle *xd;
2394   xenforeignmemory_handle *xfmem;
2395
2396   xd = xendevicemodel_open(0, 0);
2397   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2398
2399   xfmem = xenforeignmemory_open(0, 0);
2400   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2401
2402   return 0;
2403 }
2404 EOF
2405         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2406       then
2407       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2408       xen_ctrl_version=41100
2409       xen=yes
2410     elif
2411         cat > $TMPC <<EOF &&
2412 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2413 #include <xenforeignmemory.h>
2414 #include <xentoolcore.h>
2415 int main(void) {
2416   xenforeignmemory_handle *xfmem;
2417
2418   xfmem = xenforeignmemory_open(0, 0);
2419   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2420   xentoolcore_restrict_all(0);
2421
2422   return 0;
2423 }
2424 EOF
2425         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2426       then
2427       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2428       xen_ctrl_version=41000
2429       xen=yes
2430     elif
2431         cat > $TMPC <<EOF &&
2432 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2433 #define __XEN_TOOLS__
2434 #include <xendevicemodel.h>
2435 int main(void) {
2436   xendevicemodel_handle *xd;
2437
2438   xd = xendevicemodel_open(0, 0);
2439   xendevicemodel_close(xd);
2440
2441   return 0;
2442 }
2443 EOF
2444         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2445       then
2446       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2447       xen_ctrl_version=40900
2448       xen=yes
2449     elif
2450         cat > $TMPC <<EOF &&
2451 /*
2452  * If we have stable libs the we don't want the libxc compat
2453  * layers, regardless of what CFLAGS we may have been given.
2454  *
2455  * Also, check if xengnttab_grant_copy_segment_t is defined and
2456  * grant copy operation is implemented.
2457  */
2458 #undef XC_WANT_COMPAT_EVTCHN_API
2459 #undef XC_WANT_COMPAT_GNTTAB_API
2460 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2461 #include <xenctrl.h>
2462 #include <xenstore.h>
2463 #include <xenevtchn.h>
2464 #include <xengnttab.h>
2465 #include <xenforeignmemory.h>
2466 #include <stdint.h>
2467 #include <xen/hvm/hvm_info_table.h>
2468 #if !defined(HVM_MAX_VCPUS)
2469 # error HVM_MAX_VCPUS not defined
2470 #endif
2471 int main(void) {
2472   xc_interface *xc = NULL;
2473   xenforeignmemory_handle *xfmem;
2474   xenevtchn_handle *xe;
2475   xengnttab_handle *xg;
2476   xengnttab_grant_copy_segment_t* seg = NULL;
2477
2478   xs_daemon_open();
2479
2480   xc = xc_interface_open(0, 0, 0);
2481   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2482   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2483   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2484   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2485
2486   xfmem = xenforeignmemory_open(0, 0);
2487   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2488
2489   xe = xenevtchn_open(0, 0);
2490   xenevtchn_fd(xe);
2491
2492   xg = xengnttab_open(0, 0);
2493   xengnttab_grant_copy(xg, 0, seg);
2494
2495   return 0;
2496 }
2497 EOF
2498         compile_prog "" "$xen_libs $xen_stable_libs"
2499       then
2500       xen_ctrl_version=40800
2501       xen=yes
2502     elif
2503         cat > $TMPC <<EOF &&
2504 /*
2505  * If we have stable libs the we don't want the libxc compat
2506  * layers, regardless of what CFLAGS we may have been given.
2507  */
2508 #undef XC_WANT_COMPAT_EVTCHN_API
2509 #undef XC_WANT_COMPAT_GNTTAB_API
2510 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2511 #include <xenctrl.h>
2512 #include <xenstore.h>
2513 #include <xenevtchn.h>
2514 #include <xengnttab.h>
2515 #include <xenforeignmemory.h>
2516 #include <stdint.h>
2517 #include <xen/hvm/hvm_info_table.h>
2518 #if !defined(HVM_MAX_VCPUS)
2519 # error HVM_MAX_VCPUS not defined
2520 #endif
2521 int main(void) {
2522   xc_interface *xc = NULL;
2523   xenforeignmemory_handle *xfmem;
2524   xenevtchn_handle *xe;
2525   xengnttab_handle *xg;
2526
2527   xs_daemon_open();
2528
2529   xc = xc_interface_open(0, 0, 0);
2530   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2531   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2532   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2533   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2534
2535   xfmem = xenforeignmemory_open(0, 0);
2536   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2537
2538   xe = xenevtchn_open(0, 0);
2539   xenevtchn_fd(xe);
2540
2541   xg = xengnttab_open(0, 0);
2542   xengnttab_map_grant_ref(xg, 0, 0, 0);
2543
2544   return 0;
2545 }
2546 EOF
2547         compile_prog "" "$xen_libs $xen_stable_libs"
2548       then
2549       xen_ctrl_version=40701
2550       xen=yes
2551
2552     # Xen 4.6
2553     elif
2554         cat > $TMPC <<EOF &&
2555 #include <xenctrl.h>
2556 #include <xenstore.h>
2557 #include <stdint.h>
2558 #include <xen/hvm/hvm_info_table.h>
2559 #if !defined(HVM_MAX_VCPUS)
2560 # error HVM_MAX_VCPUS not defined
2561 #endif
2562 int main(void) {
2563   xc_interface *xc;
2564   xs_daemon_open();
2565   xc = xc_interface_open(0, 0, 0);
2566   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2567   xc_gnttab_open(NULL, 0);
2568   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2569   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2570   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2571   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2572   return 0;
2573 }
2574 EOF
2575         compile_prog "" "$xen_libs"
2576       then
2577       xen_ctrl_version=40600
2578       xen=yes
2579
2580     # Xen 4.5
2581     elif
2582         cat > $TMPC <<EOF &&
2583 #include <xenctrl.h>
2584 #include <xenstore.h>
2585 #include <stdint.h>
2586 #include <xen/hvm/hvm_info_table.h>
2587 #if !defined(HVM_MAX_VCPUS)
2588 # error HVM_MAX_VCPUS not defined
2589 #endif
2590 int main(void) {
2591   xc_interface *xc;
2592   xs_daemon_open();
2593   xc = xc_interface_open(0, 0, 0);
2594   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2595   xc_gnttab_open(NULL, 0);
2596   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2597   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2598   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2599   return 0;
2600 }
2601 EOF
2602         compile_prog "" "$xen_libs"
2603       then
2604       xen_ctrl_version=40500
2605       xen=yes
2606
2607     elif
2608         cat > $TMPC <<EOF &&
2609 #include <xenctrl.h>
2610 #include <xenstore.h>
2611 #include <stdint.h>
2612 #include <xen/hvm/hvm_info_table.h>
2613 #if !defined(HVM_MAX_VCPUS)
2614 # error HVM_MAX_VCPUS not defined
2615 #endif
2616 int main(void) {
2617   xc_interface *xc;
2618   xs_daemon_open();
2619   xc = xc_interface_open(0, 0, 0);
2620   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2621   xc_gnttab_open(NULL, 0);
2622   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2623   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2624   return 0;
2625 }
2626 EOF
2627         compile_prog "" "$xen_libs"
2628       then
2629       xen_ctrl_version=40200
2630       xen=yes
2631
2632     else
2633       if test "$xen" = "yes" ; then
2634         feature_not_found "xen (unsupported version)" \
2635                           "Install a supported xen (xen 4.2 or newer)"
2636       fi
2637       xen=no
2638     fi
2639
2640     if test "$xen" = yes; then
2641       if test $xen_ctrl_version -ge 40701  ; then
2642         libs_softmmu="$xen_stable_libs $libs_softmmu"
2643       fi
2644       libs_softmmu="$xen_libs $libs_softmmu"
2645     fi
2646   fi
2647 fi
2648
2649 if test "$xen_pci_passthrough" != "no"; then
2650   if test "$xen" = "yes" && test "$linux" = "yes"; then
2651     xen_pci_passthrough=yes
2652   else
2653     if test "$xen_pci_passthrough" = "yes"; then
2654       error_exit "User requested feature Xen PCI Passthrough" \
2655           " but this feature requires /sys from Linux"
2656     fi
2657     xen_pci_passthrough=no
2658   fi
2659 fi
2660
2661 ##########################################
2662 # Windows Hypervisor Platform accelerator (WHPX) check
2663 if test "$whpx" != "no" ; then
2664     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2665         whpx="yes"
2666     else
2667         if test "$whpx" = "yes"; then
2668             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2669         fi
2670         whpx="no"
2671     fi
2672 fi
2673
2674 ##########################################
2675 # Sparse probe
2676 if test "$sparse" != "no" ; then
2677   if has cgcc; then
2678     sparse=yes
2679   else
2680     if test "$sparse" = "yes" ; then
2681       feature_not_found "sparse" "Install sparse binary"
2682     fi
2683     sparse=no
2684   fi
2685 fi
2686
2687 ##########################################
2688 # X11 probe
2689 if $pkg_config --exists "x11"; then
2690     have_x11=yes
2691     x11_cflags=$($pkg_config --cflags x11)
2692     x11_libs=$($pkg_config --libs x11)
2693 fi
2694
2695 ##########################################
2696 # GTK probe
2697
2698 if test "$gtk" != "no"; then
2699     gtkpackage="gtk+-3.0"
2700     gtkx11package="gtk+-x11-3.0"
2701     gtkversion="3.14.0"
2702     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2703         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2704         gtk_libs=$($pkg_config --libs $gtkpackage)
2705         gtk_version=$($pkg_config --modversion $gtkpackage)
2706         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2707             need_x11=yes
2708             gtk_cflags="$gtk_cflags $x11_cflags"
2709             gtk_libs="$gtk_libs $x11_libs"
2710         fi
2711         gtk="yes"
2712     elif test "$gtk" = "yes"; then
2713         feature_not_found "gtk" "Install gtk3-devel"
2714     else
2715         gtk="no"
2716     fi
2717 fi
2718
2719
2720 ##########################################
2721 # GNUTLS probe
2722
2723 if test "$gnutls" != "no"; then
2724     if $pkg_config --exists "gnutls >= 3.1.18"; then
2725         gnutls_cflags=$($pkg_config --cflags gnutls)
2726         gnutls_libs=$($pkg_config --libs gnutls)
2727         libs_softmmu="$gnutls_libs $libs_softmmu"
2728         libs_tools="$gnutls_libs $libs_tools"
2729         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2730         gnutls="yes"
2731     elif test "$gnutls" = "yes"; then
2732         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2733     else
2734         gnutls="no"
2735     fi
2736 fi
2737
2738
2739 # If user didn't give a --disable/enable-gcrypt flag,
2740 # then mark as disabled if user requested nettle
2741 # explicitly
2742 if test -z "$gcrypt"
2743 then
2744     if test "$nettle" = "yes"
2745     then
2746         gcrypt="no"
2747     fi
2748 fi
2749
2750 # If user didn't give a --disable/enable-nettle flag,
2751 # then mark as disabled if user requested gcrypt
2752 # explicitly
2753 if test -z "$nettle"
2754 then
2755     if test "$gcrypt" = "yes"
2756     then
2757         nettle="no"
2758     fi
2759 fi
2760
2761 has_libgcrypt() {
2762     if ! has "libgcrypt-config"
2763     then
2764         return 1
2765     fi
2766
2767     if test -n "$cross_prefix"
2768     then
2769         host=$(libgcrypt-config --host)
2770         if test "$host-" != $cross_prefix
2771         then
2772             return 1
2773         fi
2774     fi
2775
2776     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2777     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2778
2779     if test $maj != 1 || test $min -lt 5
2780     then
2781        return 1
2782     fi
2783
2784     return 0
2785 }
2786
2787
2788 if test "$nettle" != "no"; then
2789     if $pkg_config --exists "nettle >= 2.7.1"; then
2790         nettle_cflags=$($pkg_config --cflags nettle)
2791         nettle_libs=$($pkg_config --libs nettle)
2792         nettle_version=$($pkg_config --modversion nettle)
2793         libs_softmmu="$nettle_libs $libs_softmmu"
2794         libs_tools="$nettle_libs $libs_tools"
2795         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2796         nettle="yes"
2797
2798         if test -z "$gcrypt"; then
2799            gcrypt="no"
2800         fi
2801     else
2802         if test "$nettle" = "yes"; then
2803             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2804         else
2805             nettle="no"
2806         fi
2807     fi
2808 fi
2809
2810 if test "$gcrypt" != "no"; then
2811     if has_libgcrypt; then
2812         gcrypt_cflags=$(libgcrypt-config --cflags)
2813         gcrypt_libs=$(libgcrypt-config --libs)
2814         # Debian has remove -lgpg-error from libgcrypt-config
2815         # as it "spreads unnecessary dependencies" which in
2816         # turn breaks static builds...
2817         if test "$static" = "yes"
2818         then
2819             gcrypt_libs="$gcrypt_libs -lgpg-error"
2820         fi
2821         libs_softmmu="$gcrypt_libs $libs_softmmu"
2822         libs_tools="$gcrypt_libs $libs_tools"
2823         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2824         gcrypt="yes"
2825
2826         cat > $TMPC << EOF
2827 #include <gcrypt.h>
2828 int main(void) {
2829   gcry_mac_hd_t handle;
2830   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2831                 GCRY_MAC_FLAG_SECURE, NULL);
2832   return 0;
2833 }
2834 EOF
2835         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2836             gcrypt_hmac=yes
2837         fi
2838     else
2839         if test "$gcrypt" = "yes"; then
2840             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2841         else
2842             gcrypt="no"
2843         fi
2844     fi
2845 fi
2846
2847
2848 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2849 then
2850     error_exit "Only one of gcrypt & nettle can be enabled"
2851 fi
2852
2853 ##########################################
2854 # libtasn1 - only for the TLS creds/session test suite
2855
2856 tasn1=yes
2857 tasn1_cflags=""
2858 tasn1_libs=""
2859 if $pkg_config --exists "libtasn1"; then
2860     tasn1_cflags=$($pkg_config --cflags libtasn1)
2861     tasn1_libs=$($pkg_config --libs libtasn1)
2862 else
2863     tasn1=no
2864 fi
2865
2866
2867 ##########################################
2868 # getifaddrs (for tests/test-io-channel-socket )
2869
2870 have_ifaddrs_h=yes
2871 if ! check_include "ifaddrs.h" ; then
2872   have_ifaddrs_h=no
2873 fi
2874
2875 ##########################################
2876 # VTE probe
2877
2878 if test "$vte" != "no"; then
2879     vteminversion="0.32.0"
2880     if $pkg_config --exists "vte-2.91"; then
2881       vtepackage="vte-2.91"
2882     else
2883       vtepackage="vte-2.90"
2884     fi
2885     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2886         vte_cflags=$($pkg_config --cflags $vtepackage)
2887         vte_libs=$($pkg_config --libs $vtepackage)
2888         vteversion=$($pkg_config --modversion $vtepackage)
2889         vte="yes"
2890     elif test "$vte" = "yes"; then
2891         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2892     else
2893         vte="no"
2894     fi
2895 fi
2896
2897 ##########################################
2898 # SDL probe
2899
2900 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2901 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2902
2903 sdl_probe ()
2904 {
2905   if $pkg_config sdl2 --exists; then
2906     sdlconfig="$pkg_config sdl2"
2907     sdlversion=$($sdlconfig --modversion 2>/dev/null)
2908   elif has ${sdl_config}; then
2909     sdlconfig="$sdl2_config"
2910     sdlversion=$($sdlconfig --version)
2911   else
2912     if test "$sdl" = "yes" ; then
2913       feature_not_found "sdl" "Install SDL2-devel"
2914     fi
2915     sdl=no
2916     # no need to do the rest
2917     return
2918   fi
2919   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2920     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2921   fi
2922
2923   cat > $TMPC << EOF
2924 #include <SDL.h>
2925 #undef main /* We don't want SDL to override our main() */
2926 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2927 EOF
2928   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2929   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
2930   if test "$static" = "yes" ; then
2931     if $pkg_config sdl2 --exists; then
2932       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
2933     else
2934       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2935     fi
2936   else
2937     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2938   fi
2939   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2940     sdl=yes
2941
2942     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2943     if test "$sdl" = "yes" && test "$static" = "yes" ; then
2944       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2945          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2946          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2947       fi
2948       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2949         :
2950       else
2951         sdl=no
2952       fi
2953     fi # static link
2954   else # sdl not found
2955     if test "$sdl" = "yes" ; then
2956       feature_not_found "sdl" "Install SDL2 devel"
2957     fi
2958     sdl=no
2959   fi # sdl compile test
2960 }
2961
2962 sdl_image_probe ()
2963 {
2964     if test "$sdl_image" != "no" ; then
2965         if $pkg_config SDL2_image --exists; then
2966             if test "$static" = "yes"; then
2967                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
2968             else
2969                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
2970             fi
2971             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
2972             sdl_image=yes
2973
2974             sdl_cflags="$sdl_cflags $sdl_image_cflags"
2975             sdl_libs="$sdl_libs $sdl_image_libs"
2976         else
2977             if test "$sdl_image" = "yes" ; then
2978                 feature_not_found "sdl_image" "Install SDL Image devel"
2979             else
2980                 sdl_image=no
2981             fi
2982         fi
2983     fi
2984 }
2985
2986 if test "$sdl" != "no" ; then
2987   sdl_probe
2988 fi
2989
2990 if test "$sdl" = "yes" ; then
2991   sdl_image_probe
2992 else
2993   if test "$sdl_image" = "yes"; then
2994     echo "warning: SDL Image requested, but SDL is not available, disabling"
2995   fi
2996   sdl_image=no
2997 fi
2998
2999 if test "$sdl" = "yes" ; then
3000   cat > $TMPC <<EOF
3001 #include <SDL.h>
3002 #if defined(SDL_VIDEO_DRIVER_X11)
3003 #include <X11/XKBlib.h>
3004 #else
3005 #error No x11 support
3006 #endif
3007 int main(void) { return 0; }
3008 EOF
3009   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3010     need_x11=yes
3011     sdl_cflags="$sdl_cflags $x11_cflags"
3012     sdl_libs="$sdl_libs $x11_libs"
3013   fi
3014 fi
3015
3016 ##########################################
3017 # RDMA needs OpenFabrics libraries
3018 if test "$rdma" != "no" ; then
3019   cat > $TMPC <<EOF
3020 #include <rdma/rdma_cma.h>
3021 int main(void) { return 0; }
3022 EOF
3023   rdma_libs="-lrdmacm -libverbs -libumad"
3024   if compile_prog "" "$rdma_libs" ; then
3025     rdma="yes"
3026     libs_softmmu="$libs_softmmu $rdma_libs"
3027   else
3028     if test "$rdma" = "yes" ; then
3029         error_exit \
3030             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3031             " Your options:" \
3032             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3033             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3034             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3035     fi
3036     rdma="no"
3037   fi
3038 fi
3039
3040 ##########################################
3041 # PVRDMA detection
3042
3043 cat > $TMPC <<EOF &&
3044 #include <sys/mman.h>
3045
3046 int
3047 main(void)
3048 {
3049     char buf = 0;
3050     void *addr = &buf;
3051     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3052
3053     return 0;
3054 }
3055 EOF
3056
3057 if test "$rdma" = "yes" ; then
3058     case "$pvrdma" in
3059     "")
3060         if compile_prog "" ""; then
3061             pvrdma="yes"
3062         else
3063             pvrdma="no"
3064         fi
3065         ;;
3066     "yes")
3067         if ! compile_prog "" ""; then
3068             error_exit "PVRDMA is not supported since mremap is not implemented"
3069         fi
3070         pvrdma="yes"
3071         ;;
3072     "no")
3073         pvrdma="no"
3074         ;;
3075     esac
3076 else
3077     if test "$pvrdma" = "yes" ; then
3078         error_exit "PVRDMA requires rdma suppport"
3079     fi
3080     pvrdma="no"
3081 fi
3082
3083 ##########################################
3084 # VNC SASL detection
3085 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3086   cat > $TMPC <<EOF
3087 #include <sasl/sasl.h>
3088 #include <stdio.h>
3089 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3090 EOF
3091   # Assuming Cyrus-SASL installed in /usr prefix
3092   vnc_sasl_cflags=""
3093   vnc_sasl_libs="-lsasl2"
3094   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3095     vnc_sasl=yes
3096     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3097     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3098   else
3099     if test "$vnc_sasl" = "yes" ; then
3100       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3101     fi
3102     vnc_sasl=no
3103   fi
3104 fi
3105
3106 ##########################################
3107 # VNC JPEG detection
3108 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3109 cat > $TMPC <<EOF
3110 #include <stdio.h>
3111 #include <jpeglib.h>
3112 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3113 EOF
3114     vnc_jpeg_cflags=""
3115     vnc_jpeg_libs="-ljpeg"
3116   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3117     vnc_jpeg=yes
3118     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3119     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3120   else
3121     if test "$vnc_jpeg" = "yes" ; then
3122       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3123     fi
3124     vnc_jpeg=no
3125   fi
3126 fi
3127
3128 ##########################################
3129 # VNC PNG detection
3130 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3131 cat > $TMPC <<EOF
3132 //#include <stdio.h>
3133 #include <png.h>
3134 #include <stddef.h>
3135 int main(void) {
3136     png_structp png_ptr;
3137     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3138     return png_ptr != 0;
3139 }
3140 EOF
3141   if $pkg_config libpng --exists; then
3142     vnc_png_cflags=$($pkg_config libpng --cflags)
3143     vnc_png_libs=$($pkg_config libpng --libs)
3144   else
3145     vnc_png_cflags=""
3146     vnc_png_libs="-lpng"
3147   fi
3148   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3149     vnc_png=yes
3150     libs_softmmu="$vnc_png_libs $libs_softmmu"
3151     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3152   else
3153     if test "$vnc_png" = "yes" ; then
3154       feature_not_found "vnc-png" "Install libpng devel"
3155     fi
3156     vnc_png=no
3157   fi
3158 fi
3159
3160 ##########################################
3161 # xkbcommon probe
3162 if test "$xkbcommon" != "no" ; then
3163   if $pkg_config xkbcommon --exists; then
3164     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3165     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3166     xkbcommon=yes
3167   else
3168     if test "$xkbcommon" = "yes" ; then
3169       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3170     fi
3171     xkbcommon=no
3172   fi
3173 fi
3174
3175 ##########################################
3176 # fnmatch() probe, used for ACL routines
3177 fnmatch="no"
3178 cat > $TMPC << EOF
3179 #include <fnmatch.h>
3180 int main(void)
3181 {
3182     fnmatch("foo", "foo", 0);
3183     return 0;
3184 }
3185 EOF
3186 if compile_prog "" "" ; then
3187    fnmatch="yes"
3188 fi
3189
3190 ##########################################
3191 # xfsctl() probe, used for file-posix.c
3192 if test "$xfs" != "no" ; then
3193   cat > $TMPC << EOF
3194 #include <stddef.h>  /* NULL */
3195 #include <xfs/xfs.h>
3196 int main(void)
3197 {
3198     xfsctl(NULL, 0, 0, NULL);
3199     return 0;
3200 }
3201 EOF
3202   if compile_prog "" "" ; then
3203     xfs="yes"
3204   else
3205     if test "$xfs" = "yes" ; then
3206       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3207     fi
3208     xfs=no
3209   fi
3210 fi
3211
3212 ##########################################
3213 # vde libraries probe
3214 if test "$vde" != "no" ; then
3215   vde_libs="-lvdeplug"
3216   cat > $TMPC << EOF
3217 #include <libvdeplug.h>
3218 int main(void)
3219 {
3220     struct vde_open_args a = {0, 0, 0};
3221     char s[] = "";
3222     vde_open(s, s, &a);
3223     return 0;
3224 }
3225 EOF
3226   if compile_prog "" "$vde_libs" ; then
3227     vde=yes
3228   else
3229     if test "$vde" = "yes" ; then
3230       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3231     fi
3232     vde=no
3233   fi
3234 fi
3235
3236 ##########################################
3237 # netmap support probe
3238 # Apart from looking for netmap headers, we make sure that the host API version
3239 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3240 # a minor/major version number. Minor new features will be marked with values up
3241 # to 15, and if something happens that requires a change to the backend we will
3242 # move above 15, submit the backend fixes and modify this two bounds.
3243 if test "$netmap" != "no" ; then
3244   cat > $TMPC << EOF
3245 #include <inttypes.h>
3246 #include <net/if.h>
3247 #include <net/netmap.h>
3248 #include <net/netmap_user.h>
3249 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3250 #error
3251 #endif
3252 int main(void) { return 0; }
3253 EOF
3254   if compile_prog "" "" ; then
3255     netmap=yes
3256   else
3257     if test "$netmap" = "yes" ; then
3258       feature_not_found "netmap"
3259     fi
3260     netmap=no
3261   fi
3262 fi
3263
3264 ##########################################
3265 # libcap-ng library probe
3266 if test "$cap_ng" != "no" ; then
3267   cap_libs="-lcap-ng"
3268   cat > $TMPC << EOF
3269 #include <cap-ng.h>
3270 int main(void)
3271 {
3272     capng_capability_to_name(CAPNG_EFFECTIVE);
3273     return 0;
3274 }
3275 EOF
3276   if compile_prog "" "$cap_libs" ; then
3277     cap_ng=yes
3278     libs_tools="$cap_libs $libs_tools"
3279   else
3280     if test "$cap_ng" = "yes" ; then
3281       feature_not_found "cap_ng" "Install libcap-ng devel"
3282     fi
3283     cap_ng=no
3284   fi
3285 fi
3286
3287 ##########################################
3288 # Sound support libraries probe
3289
3290 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3291 for drv in $audio_drv_list; do
3292     case $drv in
3293     alsa | try-alsa)
3294     if $pkg_config alsa --exists; then
3295         alsa_libs=$($pkg_config alsa --libs)
3296         if test "$drv" = "try-alsa"; then
3297             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3298         fi
3299     else
3300         if test "$drv" = "try-alsa"; then
3301             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3302         else
3303             error_exit "$drv check failed" \
3304                 "Make sure to have the $drv libs and headers installed."
3305         fi
3306     fi
3307     ;;
3308
3309     pa | try-pa)
3310     if $pkg_config libpulse --exists; then
3311         pulse_libs=$($pkg_config libpulse --libs)
3312         audio_pt_int="yes"
3313         if test "$drv" = "try-pa"; then
3314             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3315         fi
3316     else
3317         if test "$drv" = "try-pa"; then
3318             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3319         else
3320             error_exit "$drv check failed" \
3321                 "Make sure to have the $drv libs and headers installed."
3322         fi
3323     fi
3324     ;;
3325
3326     sdl)
3327     if test "$sdl" = "no"; then
3328         error_exit "sdl not found or disabled, can not use sdl audio driver"
3329     fi
3330     ;;
3331
3332     try-sdl)
3333     if test "$sdl" = "no"; then
3334         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3335     else
3336         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3337     fi
3338     ;;
3339
3340     coreaudio)
3341       coreaudio_libs="-framework CoreAudio"
3342     ;;
3343
3344     dsound)
3345       dsound_libs="-lole32 -ldxguid"
3346       audio_win_int="yes"
3347     ;;
3348
3349     oss)
3350       oss_libs="$oss_lib"
3351     ;;
3352
3353     wav)
3354     # XXX: Probes for CoreAudio, DirectSound
3355     ;;
3356
3357     *)
3358     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3359         error_exit "Unknown driver '$drv' selected" \
3360             "Possible drivers are: $audio_possible_drivers"
3361     }
3362     ;;
3363     esac
3364 done
3365
3366 ##########################################
3367 # BrlAPI probe
3368
3369 if test "$brlapi" != "no" ; then
3370   brlapi_libs="-lbrlapi"
3371   cat > $TMPC << EOF
3372 #include <brlapi.h>
3373 #include <stddef.h>
3374 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3375 EOF
3376   if compile_prog "" "$brlapi_libs" ; then
3377     brlapi=yes
3378   else
3379     if test "$brlapi" = "yes" ; then
3380       feature_not_found "brlapi" "Install brlapi devel"
3381     fi
3382     brlapi=no
3383   fi
3384 fi
3385
3386 ##########################################
3387 # curses probe
3388 if test "$curses" != "no" ; then
3389   if test "$mingw32" = "yes" ; then
3390     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3391     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3392   else
3393     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3394     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3395   fi
3396   curses_found=no
3397   cat > $TMPC << EOF
3398 #include <locale.h>
3399 #include <curses.h>
3400 #include <wchar.h>
3401 int main(void) {
3402   wchar_t wch = L'w';
3403   setlocale(LC_ALL, "");
3404   resize_term(0, 0);
3405   addwstr(L"wide chars\n");
3406   addnwstr(&wch, 1);
3407   add_wch(WACS_DEGREE);
3408   return 0;
3409 }
3410 EOF
3411   IFS=:
3412   for curses_inc in $curses_inc_list; do
3413     # Make sure we get the wide character prototypes
3414     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3415     IFS=:
3416     for curses_lib in $curses_lib_list; do
3417       unset IFS
3418       if compile_prog "$curses_inc" "$curses_lib" ; then
3419         curses_found=yes
3420         break
3421       fi
3422     done
3423     if test "$curses_found" = yes ; then
3424       break
3425     fi
3426   done
3427   unset IFS
3428   if test "$curses_found" = "yes" ; then
3429     curses=yes
3430   else
3431     if test "$curses" = "yes" ; then
3432       feature_not_found "curses" "Install ncurses devel"
3433     fi
3434     curses=no
3435   fi
3436 fi
3437
3438 ##########################################
3439 # curl probe
3440 if test "$curl" != "no" ; then
3441   if $pkg_config libcurl --exists; then
3442     curlconfig="$pkg_config libcurl"
3443   else
3444     curlconfig=curl-config
3445   fi
3446   cat > $TMPC << EOF
3447 #include <curl/curl.h>
3448 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3449 EOF
3450   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3451   curl_libs=$($curlconfig --libs 2>/dev/null)
3452   if compile_prog "$curl_cflags" "$curl_libs" ; then
3453     curl=yes
3454   else
3455     if test "$curl" = "yes" ; then
3456       feature_not_found "curl" "Install libcurl devel"
3457     fi
3458     curl=no
3459   fi
3460 fi # test "$curl"
3461
3462 ##########################################
3463 # bluez support probe
3464 if test "$bluez" != "no" ; then
3465   cat > $TMPC << EOF
3466 #include <bluetooth/bluetooth.h>
3467 int main(void) { return bt_error(0); }
3468 EOF
3469   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3470   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3471   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3472     bluez=yes
3473     libs_softmmu="$bluez_libs $libs_softmmu"
3474   else
3475     if test "$bluez" = "yes" ; then
3476       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3477     fi
3478     bluez="no"
3479   fi
3480 fi
3481
3482 ##########################################
3483 # glib support probe
3484
3485 glib_req_ver=2.40
3486 glib_modules=gthread-2.0
3487 if test "$modules" = yes; then
3488     glib_modules="$glib_modules gmodule-export-2.0"
3489 fi
3490
3491 # This workaround is required due to a bug in pkg-config file for glib as it
3492 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3493
3494 if test "$static" = yes && test "$mingw32" = yes; then
3495     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3496 fi
3497
3498 for i in $glib_modules; do
3499     if $pkg_config --atleast-version=$glib_req_ver $i; then
3500         glib_cflags=$($pkg_config --cflags $i)
3501         glib_libs=$($pkg_config --libs $i)
3502         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3503         LIBS="$glib_libs $LIBS"
3504         libs_qga="$glib_libs $libs_qga"
3505     else
3506         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3507     fi
3508 done
3509
3510 # Sanity check that the current size_t matches the
3511 # size that glib thinks it should be. This catches
3512 # problems on multi-arch where people try to build
3513 # 32-bit QEMU while pointing at 64-bit glib headers
3514 cat > $TMPC <<EOF
3515 #include <glib.h>
3516 #include <unistd.h>
3517
3518 #define QEMU_BUILD_BUG_ON(x) \
3519   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3520
3521 int main(void) {
3522    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3523    return 0;
3524 }
3525 EOF
3526
3527 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3528     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3529                "You probably need to set PKG_CONFIG_LIBDIR"\
3530                "to point to the right pkg-config files for your"\
3531                "build target"
3532 fi
3533
3534 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3535 cat > $TMPC << EOF
3536 #include <glib.h>
3537 int main(void) { return 0; }
3538 EOF
3539 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3540     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3541         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3542         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3543     fi
3544 fi
3545
3546 #########################################
3547 # zlib check
3548
3549 if test "$zlib" != "no" ; then
3550     if $pkg_config --exists zlib; then
3551         zlib_cflags=$($pkg_config --cflags zlib)
3552         zlib_libs=$($pkg_config --libs zlib)
3553         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3554         LIBS="$zlib_libs $LIBS"
3555     else
3556         cat > $TMPC << EOF
3557 #include <zlib.h>
3558 int main(void) { zlibVersion(); return 0; }
3559 EOF
3560         if compile_prog "" "-lz" ; then
3561             LIBS="$LIBS -lz"
3562         else
3563             error_exit "zlib check failed" \
3564                 "Make sure to have the zlib libs and headers installed."
3565         fi
3566     fi
3567 fi
3568
3569 ##########################################
3570 # SHA command probe for modules
3571 if test "$modules" = yes; then
3572     shacmd_probe="sha1sum sha1 shasum"
3573     for c in $shacmd_probe; do
3574         if has $c; then
3575             shacmd="$c"
3576             break
3577         fi
3578     done
3579     if test "$shacmd" = ""; then
3580         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3581     fi
3582 fi
3583
3584 ##########################################
3585 # pixman support probe
3586
3587 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3588   pixman_cflags=
3589   pixman_libs=
3590 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3591   pixman_cflags=$($pkg_config --cflags pixman-1)
3592   pixman_libs=$($pkg_config --libs pixman-1)
3593 else
3594   error_exit "pixman >= 0.21.8 not present." \
3595       "Please install the pixman devel package."
3596 fi
3597
3598 ##########################################
3599 # libmpathpersist probe
3600
3601 if test "$mpath" != "no" ; then
3602   # probe for the new API
3603   cat > $TMPC <<EOF
3604 #include <libudev.h>
3605 #include <mpath_persist.h>
3606 unsigned mpath_mx_alloc_len = 1024;
3607 int logsink;
3608 static struct config *multipath_conf;
3609 extern struct udev *udev;
3610 extern struct config *get_multipath_config(void);
3611 extern void put_multipath_config(struct config *conf);
3612 struct udev *udev;
3613 struct config *get_multipath_config(void) { return multipath_conf; }
3614 void put_multipath_config(struct config *conf) { }
3615
3616 int main(void) {
3617     udev = udev_new();
3618     multipath_conf = mpath_lib_init();
3619     return 0;
3620 }
3621 EOF
3622   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3623     mpathpersist=yes
3624     mpathpersist_new_api=yes
3625   else
3626     # probe for the old API
3627     cat > $TMPC <<EOF
3628 #include <libudev.h>
3629 #include <mpath_persist.h>
3630 unsigned mpath_mx_alloc_len = 1024;
3631 int logsink;
3632 int main(void) {
3633     struct udev *udev = udev_new();
3634     mpath_lib_init(udev);
3635     return 0;
3636 }
3637 EOF
3638     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3639       mpathpersist=yes
3640       mpathpersist_new_api=no
3641     else
3642       mpathpersist=no
3643     fi
3644   fi
3645 else
3646   mpathpersist=no
3647 fi
3648
3649 ##########################################
3650 # libcap probe
3651
3652 if test "$cap" != "no" ; then
3653   cat > $TMPC <<EOF
3654 #include <stdio.h>
3655 #include <sys/capability.h>
3656 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3657 EOF
3658   if compile_prog "" "-lcap" ; then
3659     cap=yes
3660   else
3661     cap=no
3662   fi
3663 fi
3664
3665 ##########################################
3666 # pthread probe
3667 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3668
3669 pthread=no
3670 cat > $TMPC << EOF
3671 #include <pthread.h>
3672 static void *f(void *p) { return NULL; }
3673 int main(void) {
3674   pthread_t thread;
3675   pthread_create(&thread, 0, f, 0);
3676   return 0;
3677 }
3678 EOF
3679 if compile_prog "" "" ; then
3680   pthread=yes
3681 else
3682   for pthread_lib in $PTHREADLIBS_LIST; do
3683     if compile_prog "" "$pthread_lib" ; then
3684       pthread=yes
3685       found=no
3686       for lib_entry in $LIBS; do
3687         if test "$lib_entry" = "$pthread_lib"; then
3688           found=yes
3689           break
3690         fi
3691       done
3692       if test "$found" = "no"; then
3693         LIBS="$pthread_lib $LIBS"
3694         libs_qga="$pthread_lib $libs_qga"
3695       fi
3696       PTHREAD_LIB="$pthread_lib"
3697       break
3698     fi
3699   done
3700 fi
3701
3702 if test "$mingw32" != yes && test "$pthread" = no; then
3703   error_exit "pthread check failed" \
3704       "Make sure to have the pthread libs and headers installed."
3705 fi
3706
3707 # check for pthread_setname_np with thread id
3708 pthread_setname_np_w_tid=no
3709 cat > $TMPC << EOF
3710 #include <pthread.h>
3711
3712 static void *f(void *p) { return NULL; }
3713 int main(void)
3714 {
3715     pthread_t thread;
3716     pthread_create(&thread, 0, f, 0);
3717     pthread_setname_np(thread, "QEMU");
3718     return 0;
3719 }
3720 EOF
3721 if compile_prog "" "$pthread_lib" ; then
3722   pthread_setname_np_w_tid=yes
3723 fi
3724
3725 # check for pthread_setname_np without thread id
3726 pthread_setname_np_wo_tid=no
3727 cat > $TMPC << EOF
3728 #include <pthread.h>
3729
3730 static void *f(void *p) { pthread_setname_np("QEMU"); }
3731 int main(void)
3732 {
3733     pthread_t thread;
3734     pthread_create(&thread, 0, f, 0);
3735     return 0;
3736 }
3737 EOF
3738 if compile_prog "" "$pthread_lib" ; then
3739   pthread_setname_np_wo_tid=yes
3740 fi
3741
3742 ##########################################
3743 # rbd probe
3744 if test "$rbd" != "no" ; then
3745   cat > $TMPC <<EOF
3746 #include <stdio.h>
3747 #include <rbd/librbd.h>
3748 int main(void) {
3749     rados_t cluster;
3750     rados_create(&cluster, NULL);
3751     return 0;
3752 }
3753 EOF
3754   rbd_libs="-lrbd -lrados"
3755   if compile_prog "" "$rbd_libs" ; then
3756     rbd=yes
3757   else
3758     if test "$rbd" = "yes" ; then
3759       feature_not_found "rados block device" "Install librbd/ceph devel"
3760     fi
3761     rbd=no
3762   fi
3763 fi
3764
3765 ##########################################
3766 # libssh2 probe
3767 min_libssh2_version=1.2.8
3768 if test "$libssh2" != "no" ; then
3769   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3770     libssh2_cflags=$($pkg_config libssh2 --cflags)
3771     libssh2_libs=$($pkg_config libssh2 --libs)
3772     libssh2=yes
3773   else
3774     if test "$libssh2" = "yes" ; then
3775       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3776     fi
3777     libssh2=no
3778   fi
3779 fi
3780
3781 ##########################################
3782 # libssh2_sftp_fsync probe
3783
3784 if test "$libssh2" = "yes"; then
3785   cat > $TMPC <<EOF
3786 #include <stdio.h>
3787 #include <libssh2.h>
3788 #include <libssh2_sftp.h>
3789 int main(void) {
3790     LIBSSH2_SESSION *session;
3791     LIBSSH2_SFTP *sftp;
3792     LIBSSH2_SFTP_HANDLE *sftp_handle;
3793     session = libssh2_session_init ();
3794     sftp = libssh2_sftp_init (session);
3795     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3796     libssh2_sftp_fsync (sftp_handle);
3797     return 0;
3798 }
3799 EOF
3800   # libssh2_cflags/libssh2_libs defined in previous test.
3801   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3802     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3803   fi
3804 fi
3805
3806 ##########################################
3807 # linux-aio probe
3808
3809 if test "$linux_aio" != "no" ; then
3810   cat > $TMPC <<EOF
3811 #include <libaio.h>
3812 #include <sys/eventfd.h>
3813 #include <stddef.h>
3814 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3815 EOF
3816   if compile_prog "" "-laio" ; then
3817     linux_aio=yes
3818   else
3819     if test "$linux_aio" = "yes" ; then
3820       feature_not_found "linux AIO" "Install libaio devel"
3821     fi
3822     linux_aio=no
3823   fi
3824 fi
3825
3826 ##########################################
3827 # TPM passthrough is only on x86 Linux
3828
3829 if test "$targetos" = Linux && { test "$cpu" = i386 || test "$cpu" = x86_64; }; then
3830   tpm_passthrough=$tpm
3831 else
3832   tpm_passthrough=no
3833 fi
3834
3835 # TPM emulator is for all posix systems
3836 if test "$mingw32" != "yes"; then
3837   tpm_emulator=$tpm
3838 else
3839   tpm_emulator=no
3840 fi
3841 ##########################################
3842 # attr probe
3843
3844 if test "$attr" != "no" ; then
3845   cat > $TMPC <<EOF
3846 #include <stdio.h>
3847 #include <sys/types.h>
3848 #ifdef CONFIG_LIBATTR
3849 #include <attr/xattr.h>
3850 #else
3851 #include <sys/xattr.h>
3852 #endif
3853 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3854 EOF
3855   if compile_prog "" "" ; then
3856     attr=yes
3857   # Older distros have <attr/xattr.h>, and need -lattr:
3858   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3859     attr=yes
3860     LIBS="-lattr $LIBS"
3861     libattr=yes
3862   else
3863     if test "$attr" = "yes" ; then
3864       feature_not_found "ATTR" "Install libc6 or libattr devel"
3865     fi
3866     attr=no
3867   fi
3868 fi
3869
3870 ##########################################
3871 # iovec probe
3872 cat > $TMPC <<EOF
3873 #include <sys/types.h>
3874 #include <sys/uio.h>
3875 #include <unistd.h>
3876 int main(void) { return sizeof(struct iovec); }
3877 EOF
3878 iovec=no
3879 if compile_prog "" "" ; then
3880   iovec=yes
3881 fi
3882
3883 ##########################################
3884 # preadv probe
3885 cat > $TMPC <<EOF
3886 #include <sys/types.h>
3887 #include <sys/uio.h>
3888 #include <unistd.h>
3889 int main(void) { return preadv(0, 0, 0, 0); }
3890 EOF
3891 preadv=no
3892 if compile_prog "" "" ; then
3893   preadv=yes
3894 fi
3895
3896 ##########################################
3897 # fdt probe
3898 # fdt support is mandatory for at least some target architectures,
3899 # so insist on it if we're building those system emulators.
3900 fdt_required=no
3901 for target in $target_list; do
3902   case $target in
3903     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
3904       fdt_required=yes
3905     ;;
3906   esac
3907 done
3908
3909 if test "$fdt_required" = "yes"; then
3910   if test "$fdt" = "no"; then
3911     error_exit "fdt disabled but some requested targets require it." \
3912       "You can turn off fdt only if you also disable all the system emulation" \
3913       "targets which need it (by specifying a cut down --target-list)."
3914   fi
3915   fdt=yes
3916 fi
3917
3918 if test "$fdt" != "no" ; then
3919   fdt_libs="-lfdt"
3920   # explicitly check for libfdt_env.h as it is missing in some stable installs
3921   # and test for required functions to make sure we are on a version >= 1.4.2
3922   cat > $TMPC << EOF
3923 #include <libfdt.h>
3924 #include <libfdt_env.h>
3925 int main(void) { fdt_check_full(NULL, 0); return 0; }
3926 EOF
3927   if compile_prog "" "$fdt_libs" ; then
3928     # system DTC is good - use it
3929     fdt=system
3930   else
3931       # have GIT checkout, so activate dtc submodule
3932       if test -e "${source_path}/.git" ; then
3933           git_submodules="${git_submodules} dtc"
3934       fi
3935       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3936           fdt=git
3937           mkdir -p dtc
3938           if [ "$pwd_is_source_path" != "y" ] ; then
3939               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3940               symlink "$source_path/dtc/scripts" "dtc/scripts"
3941           fi
3942           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3943           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
3944           fdt_libs="$fdt_libs"
3945       elif test "$fdt" = "yes" ; then
3946           # Not a git build & no libfdt found, prompt for system install
3947           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3948                      "Please install the DTC (libfdt) devel package"
3949       else
3950           # don't have and don't want
3951           fdt_libs=
3952           fdt=no
3953       fi
3954   fi
3955 fi
3956
3957 libs_softmmu="$libs_softmmu $fdt_libs"
3958
3959 ##########################################
3960 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3961
3962 if test "$opengl" != "no" ; then
3963   opengl_pkgs="epoxy gbm"
3964   if $pkg_config $opengl_pkgs; then
3965     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3966     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3967     opengl=yes
3968     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3969         gtk_gl="yes"
3970     fi
3971     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3972   else
3973     if test "$opengl" = "yes" ; then
3974       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3975     fi
3976     opengl_cflags=""
3977     opengl_libs=""
3978     opengl=no
3979   fi
3980 fi
3981
3982 if test "$opengl" = "yes"; then
3983   cat > $TMPC << EOF
3984 #include <epoxy/egl.h>
3985 #ifndef EGL_MESA_image_dma_buf_export
3986 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3987 #endif
3988 int main(void) { return 0; }
3989 EOF
3990   if compile_prog "" "" ; then
3991     opengl_dmabuf=yes
3992   fi
3993 fi
3994
3995 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3996   for target in $target_list; do
3997     case $target in
3998       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3999         need_x11=yes
4000       ;;
4001     esac
4002   done
4003 fi
4004
4005 ##########################################
4006 # libxml2 probe
4007 if test "$libxml2" != "no" ; then
4008     if $pkg_config --exists libxml-2.0; then
4009         libxml2="yes"
4010         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4011         libxml2_libs=$($pkg_config --libs libxml-2.0)
4012     else
4013         if test "$libxml2" = "yes"; then
4014             feature_not_found "libxml2" "Install libxml2 devel"
4015         fi
4016         libxml2="no"
4017     fi
4018 fi
4019
4020 ##########################################
4021 # glusterfs probe
4022 if test "$glusterfs" != "no" ; then
4023   if $pkg_config --atleast-version=3 glusterfs-api; then
4024     glusterfs="yes"
4025     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4026     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4027     if $pkg_config --atleast-version=4 glusterfs-api; then
4028       glusterfs_xlator_opt="yes"
4029     fi
4030     if $pkg_config --atleast-version=5 glusterfs-api; then
4031       glusterfs_discard="yes"
4032     fi
4033     if $pkg_config --atleast-version=6 glusterfs-api; then
4034       glusterfs_fallocate="yes"
4035       glusterfs_zerofill="yes"
4036     fi
4037   else
4038     if test "$glusterfs" = "yes" ; then
4039       feature_not_found "GlusterFS backend support" \
4040           "Install glusterfs-api devel >= 3"
4041     fi
4042     glusterfs="no"
4043   fi
4044 fi
4045
4046 # Check for inotify functions when we are building linux-user
4047 # emulator.  This is done because older glibc versions don't
4048 # have syscall stubs for these implemented.  In that case we
4049 # don't provide them even if kernel supports them.
4050 #
4051 inotify=no
4052 cat > $TMPC << EOF
4053 #include <sys/inotify.h>
4054
4055 int
4056 main(void)
4057 {
4058         /* try to start inotify */
4059         return inotify_init();
4060 }
4061 EOF
4062 if compile_prog "" "" ; then
4063   inotify=yes
4064 fi
4065
4066 inotify1=no
4067 cat > $TMPC << EOF
4068 #include <sys/inotify.h>
4069
4070 int
4071 main(void)
4072 {
4073     /* try to start inotify */
4074     return inotify_init1(0);
4075 }
4076 EOF
4077 if compile_prog "" "" ; then
4078   inotify1=yes
4079 fi
4080
4081 # check if pipe2 is there
4082 pipe2=no
4083 cat > $TMPC << EOF
4084 #include <unistd.h>
4085 #include <fcntl.h>
4086
4087 int main(void)
4088 {
4089     int pipefd[2];
4090     return pipe2(pipefd, O_CLOEXEC);
4091 }
4092 EOF
4093 if compile_prog "" "" ; then
4094   pipe2=yes
4095 fi
4096
4097 # check if accept4 is there
4098 accept4=no
4099 cat > $TMPC << EOF
4100 #include <sys/socket.h>
4101 #include <stddef.h>
4102
4103 int main(void)
4104 {
4105     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4106     return 0;
4107 }
4108 EOF
4109 if compile_prog "" "" ; then
4110   accept4=yes
4111 fi
4112
4113 # check if tee/splice is there. vmsplice was added same time.
4114 splice=no
4115 cat > $TMPC << EOF
4116 #include <unistd.h>
4117 #include <fcntl.h>
4118 #include <limits.h>
4119
4120 int main(void)
4121 {
4122     int len, fd = 0;
4123     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4124     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4125     return 0;
4126 }
4127 EOF
4128 if compile_prog "" "" ; then
4129   splice=yes
4130 fi
4131
4132 ##########################################
4133 # libnuma probe
4134
4135 if test "$numa" != "no" ; then
4136   cat > $TMPC << EOF
4137 #include <numa.h>
4138 int main(void) { return numa_available(); }
4139 EOF
4140
4141   if compile_prog "" "-lnuma" ; then
4142     numa=yes
4143     libs_softmmu="-lnuma $libs_softmmu"
4144   else
4145     if test "$numa" = "yes" ; then
4146       feature_not_found "numa" "install numactl devel"
4147     fi
4148     numa=no
4149   fi
4150 fi
4151
4152 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4153     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4154     exit 1
4155 fi
4156
4157 # Even if malloc_trim() is available, these non-libc memory allocators
4158 # do not support it.
4159 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4160     if test "$malloc_trim" = "yes" ; then
4161         echo "Disabling malloc_trim with non-libc memory allocator"
4162     fi
4163     malloc_trim="no"
4164 fi
4165
4166 #######################################
4167 # malloc_trim
4168
4169 if test "$malloc_trim" != "no" ; then
4170     cat > $TMPC << EOF
4171 #include <malloc.h>
4172 int main(void) { malloc_trim(0); return 0; }
4173 EOF
4174     if compile_prog "" "" ; then
4175         malloc_trim="yes"
4176     else
4177         malloc_trim="no"
4178     fi
4179 fi
4180
4181 ##########################################
4182 # tcmalloc probe
4183
4184 if test "$tcmalloc" = "yes" ; then
4185   cat > $TMPC << EOF
4186 #include <stdlib.h>
4187 int main(void) { malloc(1); return 0; }
4188 EOF
4189
4190   if compile_prog "" "-ltcmalloc" ; then
4191     LIBS="-ltcmalloc $LIBS"
4192   else
4193     feature_not_found "tcmalloc" "install gperftools devel"
4194   fi
4195 fi
4196
4197 ##########################################
4198 # jemalloc probe
4199
4200 if test "$jemalloc" = "yes" ; then
4201   cat > $TMPC << EOF
4202 #include <stdlib.h>
4203 int main(void) { malloc(1); return 0; }
4204 EOF
4205
4206   if compile_prog "" "-ljemalloc" ; then
4207     LIBS="-ljemalloc $LIBS"
4208   else
4209     feature_not_found "jemalloc" "install jemalloc devel"
4210   fi
4211 fi
4212
4213 ##########################################
4214 # signalfd probe
4215 signalfd="no"
4216 cat > $TMPC << EOF
4217 #include <unistd.h>
4218 #include <sys/syscall.h>
4219 #include <signal.h>
4220 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4221 EOF
4222
4223 if compile_prog "" "" ; then
4224   signalfd=yes
4225 fi
4226
4227 # check if optreset global is declared by <getopt.h>
4228 optreset="no"
4229 cat > $TMPC << EOF
4230 #include <getopt.h>
4231 int main(void) { return optreset; }
4232 EOF
4233
4234 if compile_prog "" "" ; then
4235   optreset=yes
4236 fi
4237
4238 # check if eventfd is supported
4239 eventfd=no
4240 cat > $TMPC << EOF
4241 #include <sys/eventfd.h>
4242
4243 int main(void)
4244 {
4245     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4246 }
4247 EOF
4248 if compile_prog "" "" ; then
4249   eventfd=yes
4250 fi
4251
4252 # check if memfd is supported
4253 memfd=no
4254 cat > $TMPC << EOF
4255 #include <sys/mman.h>
4256
4257 int main(void)
4258 {
4259     return memfd_create("foo", MFD_ALLOW_SEALING);
4260 }
4261 EOF
4262 if compile_prog "" "" ; then
4263   memfd=yes
4264 fi
4265
4266 # check for usbfs
4267 have_usbfs=no
4268 if test "$linux_user" = "yes"; then
4269   if check_include linux/usbdevice_fs.h; then
4270     have_usbfs=yes
4271   fi
4272   have_usbfs=yes
4273 fi
4274
4275 # check for fallocate
4276 fallocate=no
4277 cat > $TMPC << EOF
4278 #include <fcntl.h>
4279
4280 int main(void)
4281 {
4282     fallocate(0, 0, 0, 0);
4283     return 0;
4284 }
4285 EOF
4286 if compile_prog "" "" ; then
4287   fallocate=yes
4288 fi
4289
4290 # check for fallocate hole punching
4291 fallocate_punch_hole=no
4292 cat > $TMPC << EOF
4293 #include <fcntl.h>
4294 #include <linux/falloc.h>
4295
4296 int main(void)
4297 {
4298     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4299     return 0;
4300 }
4301 EOF
4302 if compile_prog "" "" ; then
4303   fallocate_punch_hole=yes
4304 fi
4305
4306 # check that fallocate supports range zeroing inside the file
4307 fallocate_zero_range=no
4308 cat > $TMPC << EOF
4309 #include <fcntl.h>
4310 #include <linux/falloc.h>
4311
4312 int main(void)
4313 {
4314     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4315     return 0;
4316 }
4317 EOF
4318 if compile_prog "" "" ; then
4319   fallocate_zero_range=yes
4320 fi
4321
4322 # check for posix_fallocate
4323 posix_fallocate=no
4324 cat > $TMPC << EOF
4325 #include <fcntl.h>
4326
4327 int main(void)
4328 {
4329     posix_fallocate(0, 0, 0);
4330     return 0;
4331 }
4332 EOF
4333 if compile_prog "" "" ; then
4334     posix_fallocate=yes
4335 fi
4336
4337 # check for sync_file_range
4338 sync_file_range=no
4339 cat > $TMPC << EOF
4340 #include <fcntl.h>
4341
4342 int main(void)
4343 {
4344     sync_file_range(0, 0, 0, 0);
4345     return 0;
4346 }
4347 EOF
4348 if compile_prog "" "" ; then
4349   sync_file_range=yes
4350 fi
4351
4352 # check for linux/fiemap.h and FS_IOC_FIEMAP
4353 fiemap=no
4354 cat > $TMPC << EOF
4355 #include <sys/ioctl.h>
4356 #include <linux/fs.h>
4357 #include <linux/fiemap.h>
4358
4359 int main(void)
4360 {
4361     ioctl(0, FS_IOC_FIEMAP, 0);
4362     return 0;
4363 }
4364 EOF
4365 if compile_prog "" "" ; then
4366   fiemap=yes
4367 fi
4368
4369 # check for dup3
4370 dup3=no
4371 cat > $TMPC << EOF
4372 #include <unistd.h>
4373
4374 int main(void)
4375 {
4376     dup3(0, 0, 0);
4377     return 0;
4378 }
4379 EOF
4380 if compile_prog "" "" ; then
4381   dup3=yes
4382 fi
4383
4384 # check for ppoll support
4385 ppoll=no
4386 cat > $TMPC << EOF
4387 #include <poll.h>
4388
4389 int main(void)
4390 {
4391     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4392     ppoll(&pfd, 1, 0, 0);
4393     return 0;
4394 }
4395 EOF
4396 if compile_prog "" "" ; then
4397   ppoll=yes
4398 fi
4399
4400 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4401 prctl_pr_set_timerslack=no
4402 cat > $TMPC << EOF
4403 #include <sys/prctl.h>
4404
4405 int main(void)
4406 {
4407     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4408     return 0;
4409 }
4410 EOF
4411 if compile_prog "" "" ; then
4412   prctl_pr_set_timerslack=yes
4413 fi
4414
4415 # check for epoll support
4416 epoll=no
4417 cat > $TMPC << EOF
4418 #include <sys/epoll.h>
4419
4420 int main(void)
4421 {
4422     epoll_create(0);
4423     return 0;
4424 }
4425 EOF
4426 if compile_prog "" "" ; then
4427   epoll=yes
4428 fi
4429
4430 # epoll_create1 is a later addition
4431 # so we must check separately for its presence
4432 epoll_create1=no
4433 cat > $TMPC << EOF
4434 #include <sys/epoll.h>
4435
4436 int main(void)
4437 {
4438     /* Note that we use epoll_create1 as a value, not as
4439      * a function being called. This is necessary so that on
4440      * old SPARC glibc versions where the function was present in
4441      * the library but not declared in the header file we will
4442      * fail the configure check. (Otherwise we will get a compiler
4443      * warning but not an error, and will proceed to fail the
4444      * qemu compile where we compile with -Werror.)
4445      */
4446     return (int)(uintptr_t)&epoll_create1;
4447 }
4448 EOF
4449 if compile_prog "" "" ; then
4450   epoll_create1=yes
4451 fi
4452
4453 # check for sendfile support
4454 sendfile=no
4455 cat > $TMPC << EOF
4456 #include <sys/sendfile.h>
4457
4458 int main(void)
4459 {
4460     return sendfile(0, 0, 0, 0);
4461 }
4462 EOF
4463 if compile_prog "" "" ; then
4464   sendfile=yes
4465 fi
4466
4467 # check for timerfd support (glibc 2.8 and newer)
4468 timerfd=no
4469 cat > $TMPC << EOF
4470 #include <sys/timerfd.h>
4471
4472 int main(void)
4473 {
4474     return(timerfd_create(CLOCK_REALTIME, 0));
4475 }
4476 EOF
4477 if compile_prog "" "" ; then
4478   timerfd=yes
4479 fi
4480
4481 # check for setns and unshare support
4482 setns=no
4483 cat > $TMPC << EOF
4484 #include <sched.h>
4485
4486 int main(void)
4487 {
4488     int ret;
4489     ret = setns(0, 0);
4490     ret = unshare(0);
4491     return ret;
4492 }
4493 EOF
4494 if compile_prog "" "" ; then
4495   setns=yes
4496 fi
4497
4498 # clock_adjtime probe
4499 clock_adjtime=no
4500 cat > $TMPC <<EOF
4501 #include <time.h>
4502
4503 int main(void)
4504 {
4505     return clock_adjtime(0, 0);
4506 }
4507 EOF
4508 clock_adjtime=no
4509 if compile_prog "" "" ; then
4510   clock_adjtime=yes
4511 fi
4512
4513 # syncfs probe
4514 syncfs=no
4515 cat > $TMPC <<EOF
4516 #include <unistd.h>
4517
4518 int main(void)
4519 {
4520     return syncfs(0);
4521 }
4522 EOF
4523 syncfs=no
4524 if compile_prog "" "" ; then
4525   syncfs=yes
4526 fi
4527
4528 # Check if tools are available to build documentation.
4529 if test "$docs" != "no" ; then
4530   if has makeinfo && has pod2man; then
4531     docs=yes
4532   else
4533     if test "$docs" = "yes" ; then
4534       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4535     fi
4536     docs=no
4537   fi
4538 fi
4539
4540 # Search for bswap_32 function
4541 byteswap_h=no
4542 cat > $TMPC << EOF
4543 #include <byteswap.h>
4544 int main(void) { return bswap_32(0); }
4545 EOF
4546 if compile_prog "" "" ; then
4547   byteswap_h=yes
4548 fi
4549
4550 # Search for bswap32 function
4551 bswap_h=no
4552 cat > $TMPC << EOF
4553 #include <sys/endian.h>
4554 #include <sys/types.h>
4555 #include <machine/bswap.h>
4556 int main(void) { return bswap32(0); }
4557 EOF
4558 if compile_prog "" "" ; then
4559   bswap_h=yes
4560 fi
4561
4562 ##########################################
4563 # Do we have libiscsi >= 1.9.0
4564 if test "$libiscsi" != "no" ; then
4565   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4566     libiscsi="yes"
4567     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4568     libiscsi_libs=$($pkg_config --libs libiscsi)
4569   else
4570     if test "$libiscsi" = "yes" ; then
4571       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4572     fi
4573     libiscsi="no"
4574   fi
4575 fi
4576
4577 ##########################################
4578 # Do we need libm
4579 cat > $TMPC << EOF
4580 #include <math.h>
4581 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4582 EOF
4583 if compile_prog "" "" ; then
4584   :
4585 elif compile_prog "" "-lm" ; then
4586   LIBS="-lm $LIBS"
4587   libs_qga="-lm $libs_qga"
4588 else
4589   error_exit "libm check failed"
4590 fi
4591
4592 ##########################################
4593 # Do we need librt
4594 # uClibc provides 2 versions of clock_gettime(), one with realtime
4595 # support and one without. This means that the clock_gettime() don't
4596 # need -lrt. We still need it for timer_create() so we check for this
4597 # function in addition.
4598 cat > $TMPC <<EOF
4599 #include <signal.h>
4600 #include <time.h>
4601 int main(void) {
4602   timer_create(CLOCK_REALTIME, NULL, NULL);
4603   return clock_gettime(CLOCK_REALTIME, NULL);
4604 }
4605 EOF
4606
4607 if compile_prog "" "" ; then
4608   :
4609 # we need pthread for static linking. use previous pthread test result
4610 elif compile_prog "" "$pthread_lib -lrt" ; then
4611   LIBS="$LIBS -lrt"
4612   libs_qga="$libs_qga -lrt"
4613 fi
4614
4615 if test "$darwin" != "yes" && test "$mingw32" != "yes" && \
4616         test "$solaris" != yes && test "$haiku" != "yes" ; then
4617     libs_softmmu="-lutil $libs_softmmu"
4618 fi
4619
4620 ##########################################
4621 # spice probe
4622 if test "$spice" != "no" ; then
4623   cat > $TMPC << EOF
4624 #include <spice.h>
4625 int main(void) { spice_server_new(); return 0; }
4626 EOF
4627   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4628   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4629   if $pkg_config --atleast-version=0.12.5 spice-server && \
4630      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4631      compile_prog "$spice_cflags" "$spice_libs" ; then
4632     spice="yes"
4633     libs_softmmu="$libs_softmmu $spice_libs"
4634     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4635     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4636     spice_server_version=$($pkg_config --modversion spice-server)
4637   else
4638     if test "$spice" = "yes" ; then
4639       feature_not_found "spice" \
4640           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4641     fi
4642     spice="no"
4643   fi
4644 fi
4645
4646 # check for smartcard support
4647 if test "$smartcard" != "no"; then
4648     if $pkg_config --atleast-version=2.5.1 libcacard; then
4649         libcacard_cflags=$($pkg_config --cflags libcacard)
4650         libcacard_libs=$($pkg_config --libs libcacard)
4651         smartcard="yes"
4652     else
4653         if test "$smartcard" = "yes"; then
4654             feature_not_found "smartcard" "Install libcacard devel"
4655         fi
4656         smartcard="no"
4657     fi
4658 fi
4659
4660 # check for libusb
4661 if test "$libusb" != "no" ; then
4662     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4663         libusb="yes"
4664         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4665         libusb_libs=$($pkg_config --libs libusb-1.0)
4666     else
4667         if test "$libusb" = "yes"; then
4668             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4669         fi
4670         libusb="no"
4671     fi
4672 fi
4673
4674 # check for usbredirparser for usb network redirection support
4675 if test "$usb_redir" != "no" ; then
4676     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4677         usb_redir="yes"
4678         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4679         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4680     else
4681         if test "$usb_redir" = "yes"; then
4682             feature_not_found "usb-redir" "Install usbredir devel"
4683         fi
4684         usb_redir="no"
4685     fi
4686 fi
4687
4688 ##########################################
4689 # check if we have VSS SDK headers for win
4690
4691 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4692         test "$vss_win32_sdk" != "no" ; then
4693   case "$vss_win32_sdk" in
4694     "")   vss_win32_include="-isystem $source_path" ;;
4695     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4696           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4697           vss_win32_include="-isystem $source_path/.sdk/vss"
4698           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4699           ;;
4700     *)    vss_win32_include="-isystem $vss_win32_sdk"
4701   esac
4702   cat > $TMPC << EOF
4703 #define __MIDL_user_allocate_free_DEFINED__
4704 #include <inc/win2003/vss.h>
4705 int main(void) { return VSS_CTX_BACKUP; }
4706 EOF
4707   if compile_prog "$vss_win32_include" "" ; then
4708     guest_agent_with_vss="yes"
4709     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4710     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4711     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4712   else
4713     if test "$vss_win32_sdk" != "" ; then
4714       echo "ERROR: Please download and install Microsoft VSS SDK:"
4715       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4716       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4717       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4718       echo "ERROR: The headers are extracted in the directory \`inc'."
4719       feature_not_found "VSS support"
4720     fi
4721     guest_agent_with_vss="no"
4722   fi
4723 fi
4724
4725 ##########################################
4726 # lookup Windows platform SDK (if not specified)
4727 # The SDK is needed only to build .tlb (type library) file of guest agent
4728 # VSS provider from the source. It is usually unnecessary because the
4729 # pre-compiled .tlb file is included.
4730
4731 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4732         test "$guest_agent_with_vss" = "yes" ; then
4733   if test -z "$win_sdk"; then
4734     programfiles="$PROGRAMFILES"
4735     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4736     if test -n "$programfiles"; then
4737       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4738     else
4739       feature_not_found "Windows SDK"
4740     fi
4741   elif test "$win_sdk" = "no"; then
4742     win_sdk=""
4743   fi
4744 fi
4745
4746 ##########################################
4747 # check if mingw environment provides a recent ntddscsi.h
4748 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4749   cat > $TMPC << EOF
4750 #include <windows.h>
4751 #include <ntddscsi.h>
4752 int main(void) {
4753 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4754 #error Missing required ioctl definitions
4755 #endif
4756   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4757   return addr.Lun;
4758 }
4759 EOF
4760   if compile_prog "" "" ; then
4761     guest_agent_ntddscsi=yes
4762     libs_qga="-lsetupapi $libs_qga"
4763   fi
4764 fi
4765
4766 ##########################################
4767 # virgl renderer probe
4768
4769 if test "$virglrenderer" != "no" ; then
4770   cat > $TMPC << EOF
4771 #include <virglrenderer.h>
4772 int main(void) { virgl_renderer_poll(); return 0; }
4773 EOF
4774   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4775   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4776   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4777   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4778      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4779     virglrenderer="yes"
4780   else
4781     if test "$virglrenderer" = "yes" ; then
4782       feature_not_found "virglrenderer"
4783     fi
4784     virglrenderer="no"
4785   fi
4786 fi
4787
4788 ##########################################
4789 # capstone
4790
4791 case "$capstone" in
4792   "" | yes)
4793     if $pkg_config capstone; then
4794       capstone=system
4795     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4796       capstone=git
4797     elif test -e "${source_path}/capstone/Makefile" ; then
4798       capstone=internal
4799     elif test -z "$capstone" ; then
4800       capstone=no
4801     else
4802       feature_not_found "capstone" "Install capstone devel or git submodule"
4803     fi
4804     ;;
4805
4806   system)
4807     if ! $pkg_config capstone; then
4808       feature_not_found "capstone" "Install capstone devel"
4809     fi
4810     ;;
4811 esac
4812
4813 case "$capstone" in
4814   git | internal)
4815     if test "$capstone" = git; then
4816       git_submodules="${git_submodules} capstone"
4817     fi
4818     mkdir -p capstone
4819     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4820     if test "$mingw32" = "yes"; then
4821       LIBCAPSTONE=capstone.lib
4822     else
4823       LIBCAPSTONE=libcapstone.a
4824     fi
4825     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4826     ;;
4827
4828   system)
4829     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4830     LIBS="$($pkg_config --libs capstone) $LIBS"
4831     ;;
4832
4833   no)
4834     ;;
4835   *)
4836     error_exit "Unknown state for capstone: $capstone"
4837     ;;
4838 esac
4839
4840 ##########################################
4841 # check if we have fdatasync
4842
4843 fdatasync=no
4844 cat > $TMPC << EOF
4845 #include <unistd.h>
4846 int main(void) {
4847 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4848 return fdatasync(0);
4849 #else
4850 #error Not supported
4851 #endif
4852 }
4853 EOF
4854 if compile_prog "" "" ; then
4855     fdatasync=yes
4856 fi
4857
4858 ##########################################
4859 # check if we have madvise
4860
4861 madvise=no
4862 cat > $TMPC << EOF
4863 #include <sys/types.h>
4864 #include <sys/mman.h>
4865 #include <stddef.h>
4866 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4867 EOF
4868 if compile_prog "" "" ; then
4869     madvise=yes
4870 fi
4871
4872 ##########################################
4873 # check if we have posix_madvise
4874
4875 posix_madvise=no
4876 cat > $TMPC << EOF
4877 #include <sys/mman.h>
4878 #include <stddef.h>
4879 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4880 EOF
4881 if compile_prog "" "" ; then
4882     posix_madvise=yes
4883 fi
4884
4885 ##########################################
4886 # check if we have posix_memalign()
4887
4888 posix_memalign=no
4889 cat > $TMPC << EOF
4890 #include <stdlib.h>
4891 int main(void) {
4892     void *p;
4893     return posix_memalign(&p, 8, 8);
4894 }
4895 EOF
4896 if compile_prog "" "" ; then
4897     posix_memalign=yes
4898 fi
4899
4900 ##########################################
4901 # check if we have posix_syslog
4902
4903 posix_syslog=no
4904 cat > $TMPC << EOF
4905 #include <syslog.h>
4906 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4907 EOF
4908 if compile_prog "" "" ; then
4909     posix_syslog=yes
4910 fi
4911
4912 ##########################################
4913 # check if we have sem_timedwait
4914
4915 sem_timedwait=no
4916 cat > $TMPC << EOF
4917 #include <semaphore.h>
4918 int main(void) { return sem_timedwait(0, 0); }
4919 EOF
4920 if compile_prog "" "" ; then
4921     sem_timedwait=yes
4922 fi
4923
4924 ##########################################
4925 # check if we have strchrnul
4926
4927 strchrnul=no
4928 cat > $TMPC << EOF
4929 #include <string.h>
4930 int main(void);
4931 // Use a haystack that the compiler shouldn't be able to constant fold
4932 char *haystack = (char*)&main;
4933 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4934 EOF
4935 if compile_prog "" "" ; then
4936     strchrnul=yes
4937 fi
4938
4939 ##########################################
4940 # check if trace backend exists
4941
4942 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4943 if test "$?" -ne 0 ; then
4944   error_exit "invalid trace backends" \
4945       "Please choose supported trace backends."
4946 fi
4947
4948 ##########################################
4949 # For 'ust' backend, test if ust headers are present
4950 if have_backend "ust"; then
4951   cat > $TMPC << EOF
4952 #include <lttng/tracepoint.h>
4953 int main(void) { return 0; }
4954 EOF
4955   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4956     if $pkg_config lttng-ust --exists; then
4957       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4958     else
4959       lttng_ust_libs="-llttng-ust -ldl"
4960     fi
4961     if $pkg_config liburcu-bp --exists; then
4962       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4963     else
4964       urcu_bp_libs="-lurcu-bp"
4965     fi
4966
4967     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4968     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4969   else
4970     error_exit "Trace backend 'ust' missing lttng-ust header files"
4971   fi
4972 fi
4973
4974 ##########################################
4975 # For 'dtrace' backend, test if 'dtrace' command is present
4976 if have_backend "dtrace"; then
4977   if ! has 'dtrace' ; then
4978     error_exit "dtrace command is not found in PATH $PATH"
4979   fi
4980   trace_backend_stap="no"
4981   if has 'stap' ; then
4982     trace_backend_stap="yes"
4983   fi
4984 fi
4985
4986 ##########################################
4987 # check and set a backend for coroutine
4988
4989 # We prefer ucontext, but it's not always possible. The fallback
4990 # is sigcontext. On Windows the only valid backend is the Windows
4991 # specific one.
4992
4993 ucontext_works=no
4994 if test "$darwin" != "yes"; then
4995   cat > $TMPC << EOF
4996 #include <ucontext.h>
4997 #ifdef __stub_makecontext
4998 #error Ignoring glibc stub makecontext which will always fail
4999 #endif
5000 int main(void) { makecontext(0, 0, 0); return 0; }
5001 EOF
5002   if compile_prog "" "" ; then
5003     ucontext_works=yes
5004   fi
5005 fi
5006
5007 if test "$coroutine" = ""; then
5008   if test "$mingw32" = "yes"; then
5009     coroutine=win32
5010   elif test "$ucontext_works" = "yes"; then
5011     coroutine=ucontext
5012   else
5013     coroutine=sigaltstack
5014   fi
5015 else
5016   case $coroutine in
5017   windows)
5018     if test "$mingw32" != "yes"; then
5019       error_exit "'windows' coroutine backend only valid for Windows"
5020     fi
5021     # Unfortunately the user visible backend name doesn't match the
5022     # coroutine-*.c filename for this case, so we have to adjust it here.
5023     coroutine=win32
5024     ;;
5025   ucontext)
5026     if test "$ucontext_works" != "yes"; then
5027       feature_not_found "ucontext"
5028     fi
5029     ;;
5030   sigaltstack)
5031     if test "$mingw32" = "yes"; then
5032       error_exit "only the 'windows' coroutine backend is valid for Windows"
5033     fi
5034     ;;
5035   *)
5036     error_exit "unknown coroutine backend $coroutine"
5037     ;;
5038   esac
5039 fi
5040
5041 if test "$coroutine_pool" = ""; then
5042   coroutine_pool=yes
5043 fi
5044
5045 if test "$debug_stack_usage" = "yes"; then
5046   if test "$coroutine_pool" = "yes"; then
5047     echo "WARN: disabling coroutine pool for stack usage debugging"
5048     coroutine_pool=no
5049   fi
5050 fi
5051
5052
5053 ##########################################
5054 # check if we have open_by_handle_at
5055
5056 open_by_handle_at=no
5057 cat > $TMPC << EOF
5058 #include <fcntl.h>
5059 #if !defined(AT_EMPTY_PATH)
5060 # error missing definition
5061 #else
5062 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5063 #endif
5064 EOF
5065 if compile_prog "" "" ; then
5066     open_by_handle_at=yes
5067 fi
5068
5069 ########################################
5070 # check if we have linux/magic.h
5071
5072 linux_magic_h=no
5073 cat > $TMPC << EOF
5074 #include <linux/magic.h>
5075 int main(void) {
5076   return 0;
5077 }
5078 EOF
5079 if compile_prog "" "" ; then
5080     linux_magic_h=yes
5081 fi
5082
5083 ########################################
5084 # check whether we can disable warning option with a pragma (this is needed
5085 # to silence warnings in the headers of some versions of external libraries).
5086 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5087 # only a warning.
5088 #
5089 # If we can't selectively disable warning in the code, disable -Werror so that
5090 # the build doesn't fail anyway.
5091
5092 pragma_disable_unused_but_set=no
5093 cat > $TMPC << EOF
5094 #pragma GCC diagnostic push
5095 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5096 #pragma GCC diagnostic pop
5097
5098 int main(void) {
5099     return 0;
5100 }
5101 EOF
5102 if compile_prog "-Werror" "" ; then
5103     pragma_diagnostic_available=yes
5104 else
5105     werror=no
5106 fi
5107
5108 ########################################
5109 # check if we have valgrind/valgrind.h
5110
5111 valgrind_h=no
5112 cat > $TMPC << EOF
5113 #include <valgrind/valgrind.h>
5114 int main(void) {
5115   return 0;
5116 }
5117 EOF
5118 if compile_prog "" "" ; then
5119     valgrind_h=yes
5120 fi
5121
5122 ########################################
5123 # check if environ is declared
5124
5125 has_environ=no
5126 cat > $TMPC << EOF
5127 #include <unistd.h>
5128 int main(void) {
5129     environ = 0;
5130     return 0;
5131 }
5132 EOF
5133 if compile_prog "" "" ; then
5134     has_environ=yes
5135 fi
5136
5137 ########################################
5138 # check if cpuid.h is usable.
5139
5140 cat > $TMPC << EOF
5141 #include <cpuid.h>
5142 int main(void) {
5143     unsigned a, b, c, d;
5144     int max = __get_cpuid_max(0, 0);
5145
5146     if (max >= 1) {
5147         __cpuid(1, a, b, c, d);
5148     }
5149
5150     if (max >= 7) {
5151         __cpuid_count(7, 0, a, b, c, d);
5152     }
5153
5154     return 0;
5155 }
5156 EOF
5157 if compile_prog "" "" ; then
5158     cpuid_h=yes
5159 fi
5160
5161 ##########################################
5162 # avx2 optimization requirement check
5163 #
5164 # There is no point enabling this if cpuid.h is not usable,
5165 # since we won't be able to select the new routines.
5166
5167 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5168   cat > $TMPC << EOF
5169 #pragma GCC push_options
5170 #pragma GCC target("avx2")
5171 #include <cpuid.h>
5172 #include <immintrin.h>
5173 static int bar(void *a) {
5174     __m256i x = *(__m256i *)a;
5175     return _mm256_testz_si256(x, x);
5176 }
5177 int main(int argc, char *argv[]) { return bar(argv[0]); }
5178 EOF
5179   if compile_object "" ; then
5180     avx2_opt="yes"
5181   else
5182     avx2_opt="no"
5183   fi
5184 fi
5185
5186 ########################################
5187 # check if __[u]int128_t is usable.
5188
5189 int128=no
5190 cat > $TMPC << EOF
5191 __int128_t a;
5192 __uint128_t b;
5193 int main (void) {
5194   a = a + b;
5195   b = a * b;
5196   a = a * a;
5197   return 0;
5198 }
5199 EOF
5200 if compile_prog "" "" ; then
5201     int128=yes
5202 fi
5203
5204 #########################################
5205 # See if 128-bit atomic operations are supported.
5206
5207 atomic128=no
5208 if test "$int128" = "yes"; then
5209   cat > $TMPC << EOF
5210 int main(void)
5211 {
5212   unsigned __int128 x = 0, y = 0;
5213   y = __atomic_load_16(&x, 0);
5214   __atomic_store_16(&x, y, 0);
5215   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5216   return 0;
5217 }
5218 EOF
5219   if compile_prog "" "" ; then
5220     atomic128=yes
5221   fi
5222 fi
5223
5224 cmpxchg128=no
5225 if test "$int128" = yes && test "$atomic128" = no; then
5226   cat > $TMPC << EOF
5227 int main(void)
5228 {
5229   unsigned __int128 x = 0, y = 0;
5230   __sync_val_compare_and_swap_16(&x, y, x);
5231   return 0;
5232 }
5233 EOF
5234   if compile_prog "" "" ; then
5235     cmpxchg128=yes
5236   fi
5237 fi
5238
5239 #########################################
5240 # See if 64-bit atomic operations are supported.
5241 # Note that without __atomic builtins, we can only
5242 # assume atomic loads/stores max at pointer size.
5243
5244 cat > $TMPC << EOF
5245 #include <stdint.h>
5246 int main(void)
5247 {
5248   uint64_t x = 0, y = 0;
5249 #ifdef __ATOMIC_RELAXED
5250   y = __atomic_load_8(&x, 0);
5251   __atomic_store_8(&x, y, 0);
5252   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5253   __atomic_exchange_8(&x, y, 0);
5254   __atomic_fetch_add_8(&x, y, 0);
5255 #else
5256   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5257   __sync_lock_test_and_set(&x, y);
5258   __sync_val_compare_and_swap(&x, y, 0);
5259   __sync_fetch_and_add(&x, y);
5260 #endif
5261   return 0;
5262 }
5263 EOF
5264 if compile_prog "" "" ; then
5265   atomic64=yes
5266 fi
5267
5268 ########################################
5269 # See if 16-byte vector operations are supported.
5270 # Even without a vector unit the compiler may expand these.
5271 # There is a bug in old GCC for PPC that crashes here.
5272 # Unfortunately it's the system compiler for Centos 7.
5273
5274 cat > $TMPC << EOF
5275 typedef unsigned char U1 __attribute__((vector_size(16)));
5276 typedef unsigned short U2 __attribute__((vector_size(16)));
5277 typedef unsigned int U4 __attribute__((vector_size(16)));
5278 typedef unsigned long long U8 __attribute__((vector_size(16)));
5279 typedef signed char S1 __attribute__((vector_size(16)));
5280 typedef signed short S2 __attribute__((vector_size(16)));
5281 typedef signed int S4 __attribute__((vector_size(16)));
5282 typedef signed long long S8 __attribute__((vector_size(16)));
5283 static U1 a1, b1;
5284 static U2 a2, b2;
5285 static U4 a4, b4;
5286 static U8 a8, b8;
5287 static S1 c1;
5288 static S2 c2;
5289 static S4 c4;
5290 static S8 c8;
5291 static int i;
5292 void helper(void *d, void *a, int shift, int i);
5293 void helper(void *d, void *a, int shift, int i)
5294 {
5295   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5296   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5297   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5298   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5299 }
5300 int main(void)
5301 {
5302   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5303   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5304   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5305   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5306   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5307   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5308   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5309   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5310   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5311   return 0;
5312 }
5313 EOF
5314
5315 vector16=no
5316 if compile_prog "" "" ; then
5317   vector16=yes
5318 fi
5319
5320 ########################################
5321 # check if getauxval is available.
5322
5323 getauxval=no
5324 cat > $TMPC << EOF
5325 #include <sys/auxv.h>
5326 int main(void) {
5327   return getauxval(AT_HWCAP) == 0;
5328 }
5329 EOF
5330 if compile_prog "" "" ; then
5331     getauxval=yes
5332 fi
5333
5334 ########################################
5335 # check if ccache is interfering with
5336 # semantic analysis of macros
5337
5338 unset CCACHE_CPP2
5339 ccache_cpp2=no
5340 cat > $TMPC << EOF
5341 static const int Z = 1;
5342 #define fn() ({ Z; })
5343 #define TAUT(X) ((X) == Z)
5344 #define PAREN(X, Y) (X == Y)
5345 #define ID(X) (X)
5346 int main(int argc, char *argv[])
5347 {
5348     int x = 0, y = 0;
5349     x = ID(x);
5350     x = fn();
5351     fn();
5352     if (PAREN(x, y)) return 0;
5353     if (TAUT(Z)) return 0;
5354     return 0;
5355 }
5356 EOF
5357
5358 if ! compile_object "-Werror"; then
5359     ccache_cpp2=yes
5360 fi
5361
5362 #################################################
5363 # clang does not support glibc + FORTIFY_SOURCE.
5364
5365 if test "$fortify_source" != "no"; then
5366   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5367     fortify_source="no";
5368   elif test -n "$cxx" && has $cxx &&
5369        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5370     fortify_source="no";
5371   else
5372     fortify_source="yes"
5373   fi
5374 fi
5375
5376 ###############################################
5377 # Check if copy_file_range is provided by glibc
5378 have_copy_file_range=no
5379 cat > $TMPC << EOF
5380 #include <unistd.h>
5381 int main(void) {
5382   copy_file_range(0, NULL, 0, NULL, 0, 0);
5383   return 0;
5384 }
5385 EOF
5386 if compile_prog "" "" ; then
5387     have_copy_file_range=yes
5388 fi
5389
5390 ##########################################
5391 # check if struct fsxattr is available via linux/fs.h
5392
5393 have_fsxattr=no
5394 cat > $TMPC << EOF
5395 #include <linux/fs.h>
5396 struct fsxattr foo;
5397 int main(void) {
5398   return 0;
5399 }
5400 EOF
5401 if compile_prog "" "" ; then
5402     have_fsxattr=yes
5403 fi
5404
5405 ##########################################
5406 # check for usable membarrier system call
5407 if test "$membarrier" = "yes"; then
5408     have_membarrier=no
5409     if test "$mingw32" = "yes" ; then
5410         have_membarrier=yes
5411     elif test "$linux" = "yes" ; then
5412         cat > $TMPC << EOF
5413     #include <linux/membarrier.h>
5414     #include <sys/syscall.h>
5415     #include <unistd.h>
5416     #include <stdlib.h>
5417     int main(void) {
5418         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5419         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5420         exit(0);
5421     }
5422 EOF
5423         if compile_prog "" "" ; then
5424             have_membarrier=yes
5425         fi
5426     fi
5427     if test "$have_membarrier" = "no"; then
5428       feature_not_found "membarrier" "membarrier system call not available"
5429     fi
5430 else
5431     # Do not enable it by default even for Mingw32, because it doesn't
5432     # work on Wine.
5433     membarrier=no
5434 fi
5435
5436 ##########################################
5437 # check if rtnetlink.h exists and is useful
5438 have_rtnetlink=no
5439 cat > $TMPC << EOF
5440 #include <linux/rtnetlink.h>
5441 int main(void) {
5442   return IFLA_PROTO_DOWN;
5443 }
5444 EOF
5445 if compile_prog "" "" ; then
5446     have_rtnetlink=yes
5447 fi
5448
5449 ##########################################
5450 # check for usable AF_VSOCK environment
5451 have_af_vsock=no
5452 cat > $TMPC << EOF
5453 #include <errno.h>
5454 #include <sys/types.h>
5455 #include <sys/socket.h>
5456 #if !defined(AF_VSOCK)
5457 # error missing AF_VSOCK flag
5458 #endif
5459 #include <linux/vm_sockets.h>
5460 int main(void) {
5461     int sock, ret;
5462     struct sockaddr_vm svm;
5463     socklen_t len = sizeof(svm);
5464     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5465     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5466     if ((ret == -1) && (errno == ENOTCONN)) {
5467         return 0;
5468     }
5469     return -1;
5470 }
5471 EOF
5472 if compile_prog "" "" ; then
5473     have_af_vsock=yes
5474 fi
5475
5476 ##########################################
5477 # check for usable AF_ALG environment
5478 hava_afalg=no
5479 cat > $TMPC << EOF
5480 #include <errno.h>
5481 #include <sys/types.h>
5482 #include <sys/socket.h>
5483 #include <linux/if_alg.h>
5484 int main(void) {
5485     int sock;
5486     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5487     return sock;
5488 }
5489 EOF
5490 if compile_prog "" "" ; then
5491     have_afalg=yes
5492 fi
5493 if test "$crypto_afalg" = "yes"
5494 then
5495     if test "$have_afalg" != "yes"
5496     then
5497         error_exit "AF_ALG requested but could not be detected"
5498     fi
5499 fi
5500
5501
5502 #################################################
5503 # Check to see if we have the Hypervisor framework
5504 if [ "$darwin" = "yes" ] ; then
5505   cat > $TMPC << EOF
5506 #include <Hypervisor/hv.h>
5507 int main() { return 0;}
5508 EOF
5509   if ! compile_object ""; then
5510     hvf='no'
5511   else
5512     hvf='yes'
5513     LDFLAGS="-framework Hypervisor $LDFLAGS"
5514   fi
5515 fi
5516
5517 #################################################
5518 # Sparc implicitly links with --relax, which is
5519 # incompatible with -r, so --no-relax should be
5520 # given. It does no harm to give it on other
5521 # platforms too.
5522
5523 # Note: the prototype is needed since QEMU_CFLAGS
5524 #       contains -Wmissing-prototypes
5525 cat > $TMPC << EOF
5526 extern int foo(void);
5527 int foo(void) { return 0; }
5528 EOF
5529 if ! compile_object ""; then
5530   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5531 fi
5532 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5533   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5534     LD_REL_FLAGS=$i
5535     break
5536   fi
5537 done
5538 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5539   feature_not_found "modules" "Cannot find how to build relocatable objects"
5540 fi
5541
5542 ##########################################
5543 # check for sysmacros.h
5544
5545 have_sysmacros=no
5546 cat > $TMPC << EOF
5547 #include <sys/sysmacros.h>
5548 int main(void) {
5549     return makedev(0, 0);
5550 }
5551 EOF
5552 if compile_prog "" "" ; then
5553     have_sysmacros=yes
5554 fi
5555
5556 ##########################################
5557 # Veritas HyperScale block driver VxHS
5558 # Check if libvxhs is installed
5559
5560 if test "$vxhs" != "no" ; then
5561   cat > $TMPC <<EOF
5562 #include <stdint.h>
5563 #include <qnio/qnio_api.h>
5564
5565 void *vxhs_callback;
5566
5567 int main(void) {
5568     iio_init(QNIO_VERSION, vxhs_callback);
5569     return 0;
5570 }
5571 EOF
5572   vxhs_libs="-lvxhs -lssl"
5573   if compile_prog "" "$vxhs_libs" ; then
5574     vxhs=yes
5575   else
5576     if test "$vxhs" = "yes" ; then
5577       feature_not_found "vxhs block device" "Install libvxhs See github"
5578     fi
5579     vxhs=no
5580   fi
5581 fi
5582
5583 ##########################################
5584 # check for _Static_assert()
5585
5586 have_static_assert=no
5587 cat > $TMPC << EOF
5588 _Static_assert(1, "success");
5589 int main(void) {
5590     return 0;
5591 }
5592 EOF
5593 if compile_prog "" "" ; then
5594     have_static_assert=yes
5595 fi
5596
5597 ##########################################
5598 # check for utmpx.h, it is missing e.g. on OpenBSD
5599
5600 have_utmpx=no
5601 cat > $TMPC << EOF
5602 #include <utmpx.h>
5603 struct utmpx user_info;
5604 int main(void) {
5605     return 0;
5606 }
5607 EOF
5608 if compile_prog "" "" ; then
5609     have_utmpx=yes
5610 fi
5611
5612 ##########################################
5613 # checks for sanitizers
5614
5615 have_asan=no
5616 have_ubsan=no
5617 have_asan_iface_h=no
5618 have_asan_iface_fiber=no
5619
5620 if test "$sanitizers" = "yes" ; then
5621   write_c_skeleton
5622   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5623       have_asan=yes
5624   fi
5625
5626   # we could use a simple skeleton for flags checks, but this also
5627   # detect the static linking issue of ubsan, see also:
5628   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5629   cat > $TMPC << EOF
5630 #include <stdlib.h>
5631 int main(void) {
5632     void *tmp = malloc(10);
5633     return *(int *)(tmp + 2);
5634 }
5635 EOF
5636   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5637       have_ubsan=yes
5638   fi
5639
5640   if check_include "sanitizer/asan_interface.h" ; then
5641       have_asan_iface_h=yes
5642   fi
5643
5644   cat > $TMPC << EOF
5645 #include <sanitizer/asan_interface.h>
5646 int main(void) {
5647   __sanitizer_start_switch_fiber(0, 0, 0);
5648   return 0;
5649 }
5650 EOF
5651   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5652       have_asan_iface_fiber=yes
5653   fi
5654 fi
5655
5656 ##########################################
5657 # Docker and cross-compiler support
5658 #
5659 # This is specifically for building test
5660 # cases for foreign architectures, not
5661 # cross-compiling QEMU itself.
5662
5663 if has "docker"; then
5664     docker=$($python $source_path/tests/docker/docker.py probe)
5665 fi
5666
5667 ##########################################
5668 # check for libpmem
5669
5670 if test "$libpmem" != "no"; then
5671         if $pkg_config --exists "libpmem"; then
5672                 libpmem="yes"
5673                 libpmem_libs=$($pkg_config --libs libpmem)
5674                 libpmem_cflags=$($pkg_config --cflags libpmem)
5675                 libs_softmmu="$libs_softmmu $libpmem_libs"
5676                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5677         else
5678                 if test "$libpmem" = "yes" ; then
5679                         feature_not_found "libpmem" "Install nvml or pmdk"
5680                 fi
5681                 libpmem="no"
5682         fi
5683 fi
5684
5685 ##########################################
5686 # End of CC checks
5687 # After here, no more $cc or $ld runs
5688
5689 write_c_skeleton
5690
5691 if test "$gcov" = "yes" ; then
5692   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5693   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5694 elif test "$fortify_source" = "yes" ; then
5695   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5696 elif test "$debug" = "no"; then
5697   CFLAGS="-O2 $CFLAGS"
5698 fi
5699
5700 if test "$have_asan" = "yes"; then
5701   CFLAGS="-fsanitize=address $CFLAGS"
5702   if test "$have_asan_iface_h" = "no" ; then
5703       echo "ASAN build enabled, but ASAN header missing." \
5704            "Without code annotation, the report may be inferior."
5705   elif test "$have_asan_iface_fiber" = "no" ; then
5706       echo "ASAN build enabled, but ASAN header is too old." \
5707            "Without code annotation, the report may be inferior."
5708   fi
5709 fi
5710 if test "$have_ubsan" = "yes"; then
5711   CFLAGS="-fsanitize=undefined $CFLAGS"
5712 fi
5713
5714 ##########################################
5715 # Do we have libnfs
5716 if test "$libnfs" != "no" ; then
5717   if $pkg_config --atleast-version=1.9.3 libnfs; then
5718     libnfs="yes"
5719     libnfs_libs=$($pkg_config --libs libnfs)
5720   else
5721     if test "$libnfs" = "yes" ; then
5722       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5723     fi
5724     libnfs="no"
5725   fi
5726 fi
5727
5728 ##########################################
5729 # Do we have libudev
5730 if test "$libudev" != "no" ; then
5731   if $pkg_config libudev && test "$static" != "yes"; then
5732     libudev="yes"
5733     libudev_libs=$($pkg_config --libs libudev)
5734   else
5735     libudev="no"
5736   fi
5737 fi
5738
5739 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5740 if test "$werror" = "yes"; then
5741     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5742 fi
5743
5744 if test "$solaris" = "no" ; then
5745     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5746         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5747     fi
5748 fi
5749
5750 # test if pod2man has --utf8 option
5751 if pod2man --help | grep -q utf8; then
5752     POD2MAN="pod2man --utf8"
5753 else
5754     POD2MAN="pod2man"
5755 fi
5756
5757 # Use ASLR, no-SEH and DEP if available
5758 if test "$mingw32" = "yes" ; then
5759     for flag in --dynamicbase --no-seh --nxcompat; do
5760         if ld_has $flag ; then
5761             LDFLAGS="-Wl,$flag $LDFLAGS"
5762         fi
5763     done
5764 fi
5765
5766 qemu_confdir=$sysconfdir$confsuffix
5767 qemu_moddir=$libdir$confsuffix
5768 qemu_datadir=$datadir$confsuffix
5769 qemu_localedir="$datadir/locale"
5770 qemu_icondir="$datadir/icons"
5771 qemu_desktopdir="$datadir/applications"
5772
5773 # We can only support ivshmem if we have eventfd
5774 if [ "$eventfd" = "yes" ]; then
5775   ivshmem=yes
5776 fi
5777
5778 tools=""
5779 if test "$want_tools" = "yes" ; then
5780   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
5781   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5782     tools="qemu-nbd\$(EXESUF) $tools"
5783   fi
5784   if [ "$ivshmem" = "yes" ]; then
5785     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5786   fi
5787   if [ "$posix" = "yes" ] && [ "$curl" = "yes" ]; then
5788     tools="elf2dmp $tools"
5789   fi
5790 fi
5791 if test "$softmmu" = yes ; then
5792   if test "$linux" = yes; then
5793     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5794       virtfs=yes
5795       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5796     else
5797       if test "$virtfs" = yes; then
5798         error_exit "VirtFS requires libcap devel and libattr devel"
5799       fi
5800       virtfs=no
5801     fi
5802     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5803       mpath=yes
5804     else
5805       if test "$mpath" = yes; then
5806         error_exit "Multipath requires libmpathpersist devel"
5807       fi
5808       mpath=no
5809     fi
5810     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5811   else
5812     if test "$virtfs" = yes; then
5813       error_exit "VirtFS is supported only on Linux"
5814     fi
5815     virtfs=no
5816     if test "$mpath" = yes; then
5817       error_exit "Multipath is supported only on Linux"
5818     fi
5819     mpath=no
5820   fi
5821   if test "$xkbcommon" = "yes"; then
5822     tools="qemu-keymap\$(EXESUF) $tools"
5823   fi
5824 fi
5825
5826 # Probe for guest agent support/options
5827
5828 if [ "$guest_agent" != "no" ]; then
5829   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5830       tools="qemu-ga $tools"
5831       guest_agent=yes
5832   elif [ "$guest_agent" != yes ]; then
5833       guest_agent=no
5834   else
5835       error_exit "Guest agent is not supported on this platform"
5836   fi
5837 fi
5838
5839 # Guest agent Window MSI  package
5840
5841 if test "$guest_agent" != yes; then
5842   if test "$guest_agent_msi" = yes; then
5843     error_exit "MSI guest agent package requires guest agent enabled"
5844   fi
5845   guest_agent_msi=no
5846 elif test "$mingw32" != "yes"; then
5847   if test "$guest_agent_msi" = "yes"; then
5848     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5849   fi
5850   guest_agent_msi=no
5851 elif ! has wixl; then
5852   if test "$guest_agent_msi" = "yes"; then
5853     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5854   fi
5855   guest_agent_msi=no
5856 else
5857   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5858   # disabled explicitly
5859   if test "$guest_agent_msi" != "no"; then
5860     guest_agent_msi=yes
5861   fi
5862 fi
5863
5864 if test "$guest_agent_msi" = "yes"; then
5865   if test "$guest_agent_with_vss" = "yes"; then
5866     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5867   fi
5868
5869   if test "$QEMU_GA_MANUFACTURER" = ""; then
5870     QEMU_GA_MANUFACTURER=QEMU
5871   fi
5872
5873   if test "$QEMU_GA_DISTRO" = ""; then
5874     QEMU_GA_DISTRO=Linux
5875   fi
5876
5877   if test "$QEMU_GA_VERSION" = ""; then
5878       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5879   fi
5880
5881   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5882
5883   case "$cpu" in
5884   x86_64)
5885     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5886     ;;
5887   i386)
5888     QEMU_GA_MSI_ARCH="-D Arch=32"
5889     ;;
5890   *)
5891     error_exit "CPU $cpu not supported for building installation package"
5892     ;;
5893   esac
5894 fi
5895
5896 # Mac OS X ships with a broken assembler
5897 roms=
5898 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5899         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5900         test "$softmmu" = yes ; then
5901     # Different host OS linkers have different ideas about the name of the ELF
5902     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5903     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5904     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5905         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5906             ld_i386_emulation="$emu"
5907             roms="optionrom"
5908             break
5909         fi
5910     done
5911 fi
5912 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
5913   roms="$roms spapr-rtas"
5914 fi
5915
5916 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5917 if test "$cpu" = "s390x" ; then
5918   write_c_skeleton
5919   if compile_prog "-march=z900" ""; then
5920     roms="$roms s390-ccw"
5921   fi
5922 fi
5923
5924 # Probe for the need for relocating the user-only binary.
5925 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5926   textseg_addr=
5927   case "$cpu" in
5928     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5929       # ??? Rationale for choosing this address
5930       textseg_addr=0x60000000
5931       ;;
5932     mips)
5933       # A 256M aligned address, high in the address space, with enough
5934       # room for the code_gen_buffer above it before the stack.
5935       textseg_addr=0x60000000
5936       ;;
5937   esac
5938   if [ -n "$textseg_addr" ]; then
5939     cat > $TMPC <<EOF
5940     int main(void) { return 0; }
5941 EOF
5942     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5943     if ! compile_prog "" "$textseg_ldflags"; then
5944       # In case ld does not support -Ttext-segment, edit the default linker
5945       # script via sed to set the .text start addr.  This is needed on FreeBSD
5946       # at least.
5947       if ! $ld --verbose >/dev/null 2>&1; then
5948         error_exit \
5949             "We need to link the QEMU user mode binaries at a" \
5950             "specific text address. Unfortunately your linker" \
5951             "doesn't support either the -Ttext-segment option or" \
5952             "printing the default linker script with --verbose." \
5953             "If you don't want the user mode binaries, pass the" \
5954             "--disable-user option to configure."
5955       fi
5956
5957       $ld --verbose | sed \
5958         -e '1,/==================================================/d' \
5959         -e '/==================================================/,$d' \
5960         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5961         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5962       textseg_ldflags="-Wl,-T../config-host.ld"
5963     fi
5964   fi
5965 fi
5966
5967 # Check that the C++ compiler exists and works with the C compiler.
5968 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5969 if has $cxx; then
5970     cat > $TMPC <<EOF
5971 int c_function(void);
5972 int main(void) { return c_function(); }
5973 EOF
5974
5975     compile_object
5976
5977     cat > $TMPCXX <<EOF
5978 extern "C" {
5979    int c_function(void);
5980 }
5981 int c_function(void) { return 42; }
5982 EOF
5983
5984     update_cxxflags
5985
5986     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5987         # C++ compiler $cxx works ok with C compiler $cc
5988         :
5989     else
5990         echo "C++ compiler $cxx does not work with C compiler $cc"
5991         echo "Disabling C++ specific optional code"
5992         cxx=
5993     fi
5994 else
5995     echo "No C++ compiler available; disabling C++ specific optional code"
5996     cxx=
5997 fi
5998
5999 echo_version() {
6000     if test "$1" = "yes" ; then
6001         echo "($2)"
6002     fi
6003 }
6004
6005 # prepend pixman and ftd flags after all config tests are done
6006 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6007 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6008 libs_softmmu="$pixman_libs $libs_softmmu"
6009
6010 echo "Install prefix    $prefix"
6011 echo "BIOS directory    $(eval echo $qemu_datadir)"
6012 echo "firmware path     $(eval echo $firmwarepath)"
6013 echo "binary directory  $(eval echo $bindir)"
6014 echo "library directory $(eval echo $libdir)"
6015 echo "module directory  $(eval echo $qemu_moddir)"
6016 echo "libexec directory $(eval echo $libexecdir)"
6017 echo "include directory $(eval echo $includedir)"
6018 echo "config directory  $(eval echo $sysconfdir)"
6019 if test "$mingw32" = "no" ; then
6020 echo "local state directory   $(eval echo $local_statedir)"
6021 echo "Manual directory  $(eval echo $mandir)"
6022 echo "ELF interp prefix $interp_prefix"
6023 else
6024 echo "local state directory   queried at runtime"
6025 echo "Windows SDK       $win_sdk"
6026 fi
6027 echo "Source path       $source_path"
6028 echo "GIT binary        $git"
6029 echo "GIT submodules    $git_submodules"
6030 echo "C compiler        $cc"
6031 echo "Host C compiler   $host_cc"
6032 echo "C++ compiler      $cxx"
6033 echo "Objective-C compiler $objcc"
6034 echo "ARFLAGS           $ARFLAGS"
6035 echo "CFLAGS            $CFLAGS"
6036 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6037 echo "LDFLAGS           $LDFLAGS"
6038 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6039 echo "make              $make"
6040 echo "install           $install"
6041 echo "python            $python ($python_version)"
6042 if test "$slirp" = "yes" ; then
6043     echo "smbd              $smbd"
6044 fi
6045 echo "module support    $modules"
6046 echo "host CPU          $cpu"
6047 echo "host big endian   $bigendian"
6048 echo "target list       $target_list"
6049 echo "gprof enabled     $gprof"
6050 echo "sparse enabled    $sparse"
6051 echo "strip binaries    $strip_opt"
6052 echo "profiler          $profiler"
6053 echo "static build      $static"
6054 if test "$darwin" = "yes" ; then
6055     echo "Cocoa support     $cocoa"
6056 fi
6057 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6058 echo "SDL image support $sdl_image"
6059 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6060 echo "GTK GL support    $gtk_gl"
6061 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6062 echo "TLS priority      $tls_priority"
6063 echo "GNUTLS support    $gnutls"
6064 echo "libgcrypt         $gcrypt"
6065 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6066 echo "libtasn1          $tasn1"
6067 echo "curses support    $curses"
6068 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6069 echo "curl support      $curl"
6070 echo "mingw32 support   $mingw32"
6071 echo "Audio drivers     $audio_drv_list"
6072 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6073 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6074 echo "VirtFS support    $virtfs"
6075 echo "Multipath support $mpath"
6076 echo "VNC support       $vnc"
6077 if test "$vnc" = "yes" ; then
6078     echo "VNC SASL support  $vnc_sasl"
6079     echo "VNC JPEG support  $vnc_jpeg"
6080     echo "VNC PNG support   $vnc_png"
6081 fi
6082 if test -n "$sparc_cpu"; then
6083     echo "Target Sparc Arch $sparc_cpu"
6084 fi
6085 echo "xen support       $xen"
6086 if test "$xen" = "yes" ; then
6087   echo "xen ctrl version  $xen_ctrl_version"
6088 fi
6089 echo "brlapi support    $brlapi"
6090 echo "bluez  support    $bluez"
6091 echo "Documentation     $docs"
6092 echo "PIE               $pie"
6093 echo "vde support       $vde"
6094 echo "netmap support    $netmap"
6095 echo "Linux AIO support $linux_aio"
6096 echo "ATTR/XATTR support $attr"
6097 echo "Install blobs     $blobs"
6098 echo "KVM support       $kvm"
6099 echo "HAX support       $hax"
6100 echo "HVF support       $hvf"
6101 echo "WHPX support      $whpx"
6102 echo "TCG support       $tcg"
6103 if test "$tcg" = "yes" ; then
6104     echo "TCG debug enabled $debug_tcg"
6105     echo "TCG interpreter   $tcg_interpreter"
6106 fi
6107 echo "malloc trim support $malloc_trim"
6108 echo "RDMA support      $rdma"
6109 echo "PVRDMA support    $pvrdma"
6110 echo "fdt support       $fdt"
6111 echo "membarrier        $membarrier"
6112 echo "preadv support    $preadv"
6113 echo "fdatasync         $fdatasync"
6114 echo "madvise           $madvise"
6115 echo "posix_madvise     $posix_madvise"
6116 echo "posix_memalign    $posix_memalign"
6117 echo "libcap-ng support $cap_ng"
6118 echo "vhost-net support $vhost_net"
6119 echo "vhost-crypto support $vhost_crypto"
6120 echo "vhost-scsi support $vhost_scsi"
6121 echo "vhost-vsock support $vhost_vsock"
6122 echo "vhost-user support $vhost_user"
6123 echo "Trace backends    $trace_backends"
6124 if have_backend "simple"; then
6125 echo "Trace output file $trace_file-<pid>"
6126 fi
6127 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6128 echo "rbd support       $rbd"
6129 echo "xfsctl support    $xfs"
6130 echo "smartcard support $smartcard"
6131 echo "libusb            $libusb"
6132 echo "usb net redir     $usb_redir"
6133 echo "OpenGL support    $opengl"
6134 echo "OpenGL dmabufs    $opengl_dmabuf"
6135 echo "libiscsi support  $libiscsi"
6136 echo "libnfs support    $libnfs"
6137 echo "build guest agent $guest_agent"
6138 echo "QGA VSS support   $guest_agent_with_vss"
6139 echo "QGA w32 disk info $guest_agent_ntddscsi"
6140 echo "QGA MSI support   $guest_agent_msi"
6141 echo "seccomp support   $seccomp"
6142 echo "coroutine backend $coroutine"
6143 echo "coroutine pool    $coroutine_pool"
6144 echo "debug stack usage $debug_stack_usage"
6145 echo "mutex debugging   $debug_mutex"
6146 echo "crypto afalg      $crypto_afalg"
6147 echo "GlusterFS support $glusterfs"
6148 echo "gcov              $gcov_tool"
6149 echo "gcov enabled      $gcov"
6150 echo "TPM support       $tpm"
6151 echo "libssh2 support   $libssh2"
6152 echo "TPM passthrough   $tpm_passthrough"
6153 echo "TPM emulator      $tpm_emulator"
6154 echo "QOM debugging     $qom_cast_debug"
6155 echo "Live block migration $live_block_migration"
6156 echo "lzo support       $lzo"
6157 echo "snappy support    $snappy"
6158 echo "bzip2 support     $bzip2"
6159 echo "lzfse support     $lzfse"
6160 echo "NUMA host support $numa"
6161 echo "libxml2           $libxml2"
6162 echo "tcmalloc support  $tcmalloc"
6163 echo "jemalloc support  $jemalloc"
6164 echo "avx2 optimization $avx2_opt"
6165 echo "replication support $replication"
6166 echo "VxHS block device $vxhs"
6167 echo "bochs support     $bochs"
6168 echo "cloop support     $cloop"
6169 echo "dmg support       $dmg"
6170 echo "qcow v1 support   $qcow1"
6171 echo "vdi support       $vdi"
6172 echo "vvfat support     $vvfat"
6173 echo "qed support       $qed"
6174 echo "parallels support $parallels"
6175 echo "sheepdog support  $sheepdog"
6176 echo "capstone          $capstone"
6177 echo "docker            $docker"
6178 echo "libpmem support   $libpmem"
6179 echo "libudev           $libudev"
6180
6181 if test "$supported_cpu" = "no"; then
6182     echo
6183     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6184     echo
6185     echo "CPU host architecture $cpu support is not currently maintained."
6186     echo "The QEMU project intends to remove support for this host CPU in"
6187     echo "a future release if nobody volunteers to maintain it and to"
6188     echo "provide a build host for our continuous integration setup."
6189     echo "configure has succeeded and you can continue to build, but"
6190     echo "if you care about QEMU on this platform you should contact"
6191     echo "us upstream at qemu-devel@nongnu.org."
6192 fi
6193
6194 if test "$supported_os" = "no"; then
6195     echo
6196     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6197     echo
6198     echo "Host OS $targetos support is not currently maintained."
6199     echo "The QEMU project intends to remove support for this host OS in"
6200     echo "a future release if nobody volunteers to maintain it and to"
6201     echo "provide a build host for our continuous integration setup."
6202     echo "configure has succeeded and you can continue to build, but"
6203     echo "if you care about QEMU on this platform you should contact"
6204     echo "us upstream at qemu-devel@nongnu.org."
6205 fi
6206
6207 config_host_mak="config-host.mak"
6208
6209 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6210
6211 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6212 echo >> $config_host_mak
6213
6214 echo all: >> $config_host_mak
6215 echo "prefix=$prefix" >> $config_host_mak
6216 echo "bindir=$bindir" >> $config_host_mak
6217 echo "libdir=$libdir" >> $config_host_mak
6218 echo "libexecdir=$libexecdir" >> $config_host_mak
6219 echo "includedir=$includedir" >> $config_host_mak
6220 echo "mandir=$mandir" >> $config_host_mak
6221 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6222 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6223 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6224 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6225 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6226 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6227 if test "$mingw32" = "no" ; then
6228   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6229 fi
6230 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6231 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6232 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6233 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6234 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6235 echo "GIT=$git" >> $config_host_mak
6236 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6237 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6238
6239 echo "ARCH=$ARCH" >> $config_host_mak
6240
6241 if test "$debug_tcg" = "yes" ; then
6242   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6243 fi
6244 if test "$strip_opt" = "yes" ; then
6245   echo "STRIP=${strip}" >> $config_host_mak
6246 fi
6247 if test "$bigendian" = "yes" ; then
6248   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6249 fi
6250 if test "$mingw32" = "yes" ; then
6251   echo "CONFIG_WIN32=y" >> $config_host_mak
6252   rc_version=$(cat $source_path/VERSION)
6253   version_major=${rc_version%%.*}
6254   rc_version=${rc_version#*.}
6255   version_minor=${rc_version%%.*}
6256   rc_version=${rc_version#*.}
6257   version_subminor=${rc_version%%.*}
6258   version_micro=0
6259   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6260   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6261   if test "$guest_agent_with_vss" = "yes" ; then
6262     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6263     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6264     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6265   fi
6266   if test "$guest_agent_ntddscsi" = "yes" ; then
6267     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6268   fi
6269   if test "$guest_agent_msi" = "yes"; then
6270     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6271     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6272     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6273     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6274     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6275     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6276     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6277   fi
6278 else
6279   echo "CONFIG_POSIX=y" >> $config_host_mak
6280 fi
6281
6282 if test "$linux" = "yes" ; then
6283   echo "CONFIG_LINUX=y" >> $config_host_mak
6284 fi
6285
6286 if test "$darwin" = "yes" ; then
6287   echo "CONFIG_DARWIN=y" >> $config_host_mak
6288 fi
6289
6290 if test "$solaris" = "yes" ; then
6291   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6292 fi
6293 if test "$haiku" = "yes" ; then
6294   echo "CONFIG_HAIKU=y" >> $config_host_mak
6295 fi
6296 if test "$static" = "yes" ; then
6297   echo "CONFIG_STATIC=y" >> $config_host_mak
6298 fi
6299 if test "$profiler" = "yes" ; then
6300   echo "CONFIG_PROFILER=y" >> $config_host_mak
6301 fi
6302 if test "$slirp" = "yes" ; then
6303   echo "CONFIG_SLIRP=y" >> $config_host_mak
6304   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6305 fi
6306 if test "$vde" = "yes" ; then
6307   echo "CONFIG_VDE=y" >> $config_host_mak
6308   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6309 fi
6310 if test "$netmap" = "yes" ; then
6311   echo "CONFIG_NETMAP=y" >> $config_host_mak
6312 fi
6313 if test "$l2tpv3" = "yes" ; then
6314   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6315 fi
6316 if test "$cap_ng" = "yes" ; then
6317   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6318 fi
6319 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6320 for drv in $audio_drv_list; do
6321     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6322     case "$drv" in
6323         alsa | oss | pa | sdl)
6324             echo "$def=m" >> $config_host_mak ;;
6325         *)
6326             echo "$def=y" >> $config_host_mak ;;
6327     esac
6328 done
6329 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6330 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6331 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6332 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6333 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6334 if test "$audio_pt_int" = "yes" ; then
6335   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6336 fi
6337 if test "$audio_win_int" = "yes" ; then
6338   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6339 fi
6340 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6341 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6342 if test "$vnc" = "yes" ; then
6343   echo "CONFIG_VNC=y" >> $config_host_mak
6344 fi
6345 if test "$vnc_sasl" = "yes" ; then
6346   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6347 fi
6348 if test "$vnc_jpeg" = "yes" ; then
6349   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6350 fi
6351 if test "$vnc_png" = "yes" ; then
6352   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6353 fi
6354 if test "$xkbcommon" = "yes" ; then
6355   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6356   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6357 fi
6358 if test "$fnmatch" = "yes" ; then
6359   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6360 fi
6361 if test "$xfs" = "yes" ; then
6362   echo "CONFIG_XFS=y" >> $config_host_mak
6363 fi
6364 qemu_version=$(head $source_path/VERSION)
6365 echo "VERSION=$qemu_version" >>$config_host_mak
6366 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6367 echo "SRC_PATH=$source_path" >> $config_host_mak
6368 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6369 if [ "$docs" = "yes" ] ; then
6370   echo "BUILD_DOCS=yes" >> $config_host_mak
6371 fi
6372 if test "$modules" = "yes"; then
6373   # $shacmd can generate a hash started with digit, which the compiler doesn't
6374   # like as an symbol. So prefix it with an underscore
6375   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6376   echo "CONFIG_MODULES=y" >> $config_host_mak
6377 fi
6378 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6379   echo "CONFIG_X11=y" >> $config_host_mak
6380   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6381   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6382 fi
6383 if test "$sdl" = "yes" ; then
6384   echo "CONFIG_SDL=m" >> $config_host_mak
6385   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6386   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6387   if test "$sdl_image" = "yes" ; then
6388       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6389   fi
6390 fi
6391 if test "$cocoa" = "yes" ; then
6392   echo "CONFIG_COCOA=y" >> $config_host_mak
6393 fi
6394 if test "$curses" = "yes" ; then
6395   echo "CONFIG_CURSES=m" >> $config_host_mak
6396   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6397   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6398 fi
6399 if test "$pipe2" = "yes" ; then
6400   echo "CONFIG_PIPE2=y" >> $config_host_mak
6401 fi
6402 if test "$accept4" = "yes" ; then
6403   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6404 fi
6405 if test "$splice" = "yes" ; then
6406   echo "CONFIG_SPLICE=y" >> $config_host_mak
6407 fi
6408 if test "$eventfd" = "yes" ; then
6409   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6410 fi
6411 if test "$memfd" = "yes" ; then
6412   echo "CONFIG_MEMFD=y" >> $config_host_mak
6413 fi
6414 if test "$have_usbfs" = "yes" ; then
6415   echo "CONFIG_USBFS=y" >> $config_host_mak
6416 fi
6417 if test "$fallocate" = "yes" ; then
6418   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6419 fi
6420 if test "$fallocate_punch_hole" = "yes" ; then
6421   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6422 fi
6423 if test "$fallocate_zero_range" = "yes" ; then
6424   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6425 fi
6426 if test "$posix_fallocate" = "yes" ; then
6427   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6428 fi
6429 if test "$sync_file_range" = "yes" ; then
6430   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6431 fi
6432 if test "$fiemap" = "yes" ; then
6433   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6434 fi
6435 if test "$dup3" = "yes" ; then
6436   echo "CONFIG_DUP3=y" >> $config_host_mak
6437 fi
6438 if test "$ppoll" = "yes" ; then
6439   echo "CONFIG_PPOLL=y" >> $config_host_mak
6440 fi
6441 if test "$prctl_pr_set_timerslack" = "yes" ; then
6442   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6443 fi
6444 if test "$epoll" = "yes" ; then
6445   echo "CONFIG_EPOLL=y" >> $config_host_mak
6446 fi
6447 if test "$epoll_create1" = "yes" ; then
6448   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6449 fi
6450 if test "$sendfile" = "yes" ; then
6451   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6452 fi
6453 if test "$timerfd" = "yes" ; then
6454   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6455 fi
6456 if test "$setns" = "yes" ; then
6457   echo "CONFIG_SETNS=y" >> $config_host_mak
6458 fi
6459 if test "$clock_adjtime" = "yes" ; then
6460   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6461 fi
6462 if test "$syncfs" = "yes" ; then
6463   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6464 fi
6465 if test "$inotify" = "yes" ; then
6466   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6467 fi
6468 if test "$inotify1" = "yes" ; then
6469   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6470 fi
6471 if test "$sem_timedwait" = "yes" ; then
6472   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6473 fi
6474 if test "$strchrnul" = "yes" ; then
6475   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6476 fi
6477 if test "$byteswap_h" = "yes" ; then
6478   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6479 fi
6480 if test "$bswap_h" = "yes" ; then
6481   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6482 fi
6483 if test "$curl" = "yes" ; then
6484   echo "CONFIG_CURL=m" >> $config_host_mak
6485   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6486   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6487 fi
6488 if test "$brlapi" = "yes" ; then
6489   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6490   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6491 fi
6492 if test "$bluez" = "yes" ; then
6493   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6494   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6495 fi
6496 if test "$gtk" = "yes" ; then
6497   echo "CONFIG_GTK=m" >> $config_host_mak
6498   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6499   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6500   if test "$gtk_gl" = "yes" ; then
6501     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6502   fi
6503 fi
6504 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6505 if test "$gnutls" = "yes" ; then
6506   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6507 fi
6508 if test "$gcrypt" = "yes" ; then
6509   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6510   if test "$gcrypt_hmac" = "yes" ; then
6511     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6512   fi
6513 fi
6514 if test "$nettle" = "yes" ; then
6515   echo "CONFIG_NETTLE=y" >> $config_host_mak
6516   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6517 fi
6518 if test "$tasn1" = "yes" ; then
6519   echo "CONFIG_TASN1=y" >> $config_host_mak
6520 fi
6521 if test "$have_ifaddrs_h" = "yes" ; then
6522     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6523 fi
6524 if test "$have_broken_size_max" = "yes" ; then
6525     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6526 fi
6527
6528 # Work around a system header bug with some kernel/XFS header
6529 # versions where they both try to define 'struct fsxattr':
6530 # xfs headers will not try to redefine structs from linux headers
6531 # if this macro is set.
6532 if test "$have_fsxattr" = "yes" ; then
6533     echo "HAVE_FSXATTR=y" >> $config_host_mak
6534 fi
6535 if test "$have_copy_file_range" = "yes" ; then
6536     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6537 fi
6538 if test "$vte" = "yes" ; then
6539   echo "CONFIG_VTE=y" >> $config_host_mak
6540   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6541   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6542 fi
6543 if test "$virglrenderer" = "yes" ; then
6544   echo "CONFIG_VIRGL=y" >> $config_host_mak
6545   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6546   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6547 fi
6548 if test "$xen" = "yes" ; then
6549   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6550   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6551 fi
6552 if test "$linux_aio" = "yes" ; then
6553   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6554 fi
6555 if test "$attr" = "yes" ; then
6556   echo "CONFIG_ATTR=y" >> $config_host_mak
6557 fi
6558 if test "$libattr" = "yes" ; then
6559   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6560 fi
6561 if test "$virtfs" = "yes" ; then
6562   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6563 fi
6564 if test "$mpath" = "yes" ; then
6565   echo "CONFIG_MPATH=y" >> $config_host_mak
6566   if test "$mpathpersist_new_api" = "yes"; then
6567     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6568   fi
6569 fi
6570 if test "$vhost_scsi" = "yes" ; then
6571   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6572 fi
6573 if test "$vhost_net" = "yes" && test "$vhost_user" = "yes"; then
6574   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6575 fi
6576 if test "$vhost_crypto" = "yes" ; then
6577   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6578 fi
6579 if test "$vhost_vsock" = "yes" ; then
6580   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6581 fi
6582 if test "$vhost_user" = "yes" ; then
6583   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6584 fi
6585 if test "$blobs" = "yes" ; then
6586   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6587 fi
6588 if test "$iovec" = "yes" ; then
6589   echo "CONFIG_IOVEC=y" >> $config_host_mak
6590 fi
6591 if test "$preadv" = "yes" ; then
6592   echo "CONFIG_PREADV=y" >> $config_host_mak
6593 fi
6594 if test "$fdt" != "no" ; then
6595   echo "CONFIG_FDT=y" >> $config_host_mak
6596 fi
6597 if test "$membarrier" = "yes" ; then
6598   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6599 fi
6600 if test "$signalfd" = "yes" ; then
6601   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6602 fi
6603 if test "$optreset" = "yes" ; then
6604   echo "HAVE_OPTRESET=y" >> $config_host_mak
6605 fi
6606 if test "$tcg" = "yes"; then
6607   echo "CONFIG_TCG=y" >> $config_host_mak
6608   if test "$tcg_interpreter" = "yes" ; then
6609     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6610   fi
6611 fi
6612 if test "$fdatasync" = "yes" ; then
6613   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6614 fi
6615 if test "$madvise" = "yes" ; then
6616   echo "CONFIG_MADVISE=y" >> $config_host_mak
6617 fi
6618 if test "$posix_madvise" = "yes" ; then
6619   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6620 fi
6621 if test "$posix_memalign" = "yes" ; then
6622   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6623 fi
6624
6625 if test "$spice" = "yes" ; then
6626   echo "CONFIG_SPICE=y" >> $config_host_mak
6627 fi
6628
6629 if test "$smartcard" = "yes" ; then
6630   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6631   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6632   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6633 fi
6634
6635 if test "$libusb" = "yes" ; then
6636   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6637   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6638   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6639 fi
6640
6641 if test "$usb_redir" = "yes" ; then
6642   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6643   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6644   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6645 fi
6646
6647 if test "$opengl" = "yes" ; then
6648   echo "CONFIG_OPENGL=y" >> $config_host_mak
6649   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6650   if test "$opengl_dmabuf" = "yes" ; then
6651     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6652   fi
6653 fi
6654
6655 if test "$malloc_trim" = "yes" ; then
6656   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6657 fi
6658
6659 if test "$avx2_opt" = "yes" ; then
6660   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6661 fi
6662
6663 if test "$lzo" = "yes" ; then
6664   echo "CONFIG_LZO=y" >> $config_host_mak
6665 fi
6666
6667 if test "$snappy" = "yes" ; then
6668   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6669 fi
6670
6671 if test "$bzip2" = "yes" ; then
6672   echo "CONFIG_BZIP2=y" >> $config_host_mak
6673   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6674 fi
6675
6676 if test "$lzfse" = "yes" ; then
6677   echo "CONFIG_LZFSE=y" >> $config_host_mak
6678   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6679 fi
6680
6681 if test "$libiscsi" = "yes" ; then
6682   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6683   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6684   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6685 fi
6686
6687 if test "$libnfs" = "yes" ; then
6688   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6689   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6690 fi
6691
6692 if test "$seccomp" = "yes"; then
6693   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6694   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6695   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6696 fi
6697
6698 # XXX: suppress that
6699 if [ "$bsd" = "yes" ] ; then
6700   echo "CONFIG_BSD=y" >> $config_host_mak
6701 fi
6702
6703 if test "$localtime_r" = "yes" ; then
6704   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6705 fi
6706 if test "$qom_cast_debug" = "yes" ; then
6707   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6708 fi
6709 if test "$rbd" = "yes" ; then
6710   echo "CONFIG_RBD=m" >> $config_host_mak
6711   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6712   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6713 fi
6714
6715 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6716 if test "$coroutine_pool" = "yes" ; then
6717   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6718 else
6719   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6720 fi
6721
6722 if test "$debug_stack_usage" = "yes" ; then
6723   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6724 fi
6725
6726 if test "$crypto_afalg" = "yes" ; then
6727   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6728 fi
6729
6730 if test "$open_by_handle_at" = "yes" ; then
6731   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6732 fi
6733
6734 if test "$linux_magic_h" = "yes" ; then
6735   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6736 fi
6737
6738 if test "$pragma_diagnostic_available" = "yes" ; then
6739   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6740 fi
6741
6742 if test "$valgrind_h" = "yes" ; then
6743   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6744 fi
6745
6746 if test "$have_asan_iface_fiber" = "yes" ; then
6747     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6748 fi
6749
6750 if test "$has_environ" = "yes" ; then
6751   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6752 fi
6753
6754 if test "$cpuid_h" = "yes" ; then
6755   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6756 fi
6757
6758 if test "$int128" = "yes" ; then
6759   echo "CONFIG_INT128=y" >> $config_host_mak
6760 fi
6761
6762 if test "$atomic128" = "yes" ; then
6763   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6764 fi
6765
6766 if test "$cmpxchg128" = "yes" ; then
6767   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6768 fi
6769
6770 if test "$atomic64" = "yes" ; then
6771   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6772 fi
6773
6774 if test "$vector16" = "yes" ; then
6775   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6776 fi
6777
6778 if test "$getauxval" = "yes" ; then
6779   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6780 fi
6781
6782 if test "$glusterfs" = "yes" ; then
6783   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6784   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6785   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6786 fi
6787
6788 if test "$glusterfs_xlator_opt" = "yes" ; then
6789   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6790 fi
6791
6792 if test "$glusterfs_discard" = "yes" ; then
6793   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6794 fi
6795
6796 if test "$glusterfs_fallocate" = "yes" ; then
6797   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6798 fi
6799
6800 if test "$glusterfs_zerofill" = "yes" ; then
6801   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6802 fi
6803
6804 if test "$libssh2" = "yes" ; then
6805   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6806   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6807   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6808 fi
6809
6810 if test "$live_block_migration" = "yes" ; then
6811   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6812 fi
6813
6814 if test "$tpm" = "yes"; then
6815   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6816   # TPM passthrough support?
6817   if test "$tpm_passthrough" = "yes"; then
6818     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6819   fi
6820   # TPM emulator support?
6821   if test "$tpm_emulator" = "yes"; then
6822     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6823   fi
6824 fi
6825
6826 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6827 if have_backend "nop"; then
6828   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6829 fi
6830 if have_backend "simple"; then
6831   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6832   # Set the appropriate trace file.
6833   trace_file="\"$trace_file-\" FMT_pid"
6834 fi
6835 if have_backend "log"; then
6836   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6837 fi
6838 if have_backend "ust"; then
6839   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6840 fi
6841 if have_backend "dtrace"; then
6842   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6843   if test "$trace_backend_stap" = "yes" ; then
6844     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6845   fi
6846 fi
6847 if have_backend "ftrace"; then
6848   if test "$linux" = "yes" ; then
6849     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6850   else
6851     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6852   fi
6853 fi
6854 if have_backend "syslog"; then
6855   if test "$posix_syslog" = "yes" ; then
6856     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6857   else
6858     feature_not_found "syslog(trace backend)" "syslog not available"
6859   fi
6860 fi
6861 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6862
6863 if test "$rdma" = "yes" ; then
6864   echo "CONFIG_RDMA=y" >> $config_host_mak
6865   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6866 fi
6867
6868 if test "$pvrdma" = "yes" ; then
6869   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6870 fi
6871
6872 if test "$have_rtnetlink" = "yes" ; then
6873   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6874 fi
6875
6876 if test "$libxml2" = "yes" ; then
6877   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6878   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6879   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6880 fi
6881
6882 if test "$replication" = "yes" ; then
6883   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6884 fi
6885
6886 if test "$have_af_vsock" = "yes" ; then
6887   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6888 fi
6889
6890 if test "$have_sysmacros" = "yes" ; then
6891   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6892 fi
6893
6894 if test "$have_static_assert" = "yes" ; then
6895   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6896 fi
6897
6898 if test "$have_utmpx" = "yes" ; then
6899   echo "HAVE_UTMPX=y" >> $config_host_mak
6900 fi
6901
6902 if test "$ivshmem" = "yes" ; then
6903   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6904 fi
6905 if test "$capstone" != "no" ; then
6906   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6907 fi
6908 if test "$debug_mutex" = "yes" ; then
6909   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6910 fi
6911
6912 # Hold two types of flag:
6913 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6914 #                                     a thread we have a handle to
6915 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6916 #                                     platform
6917 if test "$pthread_setname_np_w_tid" = "yes" ; then
6918   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6919   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6920 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6921   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6922   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6923 fi
6924
6925 if test "$vxhs" = "yes" ; then
6926   echo "CONFIG_VXHS=y" >> $config_host_mak
6927   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6928 fi
6929
6930 if test "$libpmem" = "yes" ; then
6931   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6932 fi
6933
6934 if test "$bochs" = "yes" ; then
6935   echo "CONFIG_BOCHS=y" >> $config_host_mak
6936 fi
6937 if test "$cloop" = "yes" ; then
6938   echo "CONFIG_CLOOP=y" >> $config_host_mak
6939 fi
6940 if test "$dmg" = "yes" ; then
6941   echo "CONFIG_DMG=y" >> $config_host_mak
6942 fi
6943 if test "$qcow1" = "yes" ; then
6944   echo "CONFIG_QCOW1=y" >> $config_host_mak
6945 fi
6946 if test "$vdi" = "yes" ; then
6947   echo "CONFIG_VDI=y" >> $config_host_mak
6948 fi
6949 if test "$vvfat" = "yes" ; then
6950   echo "CONFIG_VVFAT=y" >> $config_host_mak
6951 fi
6952 if test "$qed" = "yes" ; then
6953   echo "CONFIG_QED=y" >> $config_host_mak
6954 fi
6955 if test "$parallels" = "yes" ; then
6956   echo "CONFIG_PARALLELS=y" >> $config_host_mak
6957 fi
6958 if test "$sheepdog" = "yes" ; then
6959   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6960 fi
6961
6962 if test "$tcg_interpreter" = "yes"; then
6963   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6964 elif test "$ARCH" = "sparc64" ; then
6965   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6966 elif test "$ARCH" = "s390x" ; then
6967   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6968 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
6969   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6970 elif test "$ARCH" = "ppc64" ; then
6971   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6972 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
6973   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
6974 else
6975   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6976 fi
6977 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
6978
6979 echo "TOOLS=$tools" >> $config_host_mak
6980 echo "ROMS=$roms" >> $config_host_mak
6981 echo "MAKE=$make" >> $config_host_mak
6982 echo "INSTALL=$install" >> $config_host_mak
6983 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6984 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6985 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6986 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6987 echo "PYTHON=$python" >> $config_host_mak
6988 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
6989 echo "CC=$cc" >> $config_host_mak
6990 if $iasl -h > /dev/null 2>&1; then
6991   echo "IASL=$iasl" >> $config_host_mak
6992 fi
6993 echo "HOST_CC=$host_cc" >> $config_host_mak
6994 echo "CXX=$cxx" >> $config_host_mak
6995 echo "OBJCC=$objcc" >> $config_host_mak
6996 echo "AR=$ar" >> $config_host_mak
6997 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6998 echo "AS=$as" >> $config_host_mak
6999 echo "CCAS=$ccas" >> $config_host_mak
7000 echo "CPP=$cpp" >> $config_host_mak
7001 echo "OBJCOPY=$objcopy" >> $config_host_mak
7002 echo "LD=$ld" >> $config_host_mak
7003 echo "RANLIB=$ranlib" >> $config_host_mak
7004 echo "NM=$nm" >> $config_host_mak
7005 echo "WINDRES=$windres" >> $config_host_mak
7006 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7007 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7008 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7009 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7010 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7011 if test "$sparse" = "yes" ; then
7012   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7013   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7014   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7015   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7016   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7017 fi
7018 if test "$cross_prefix" != ""; then
7019   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7020 else
7021   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7022 fi
7023 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7024 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7025 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7026 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7027 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7028 echo "LIBS+=$LIBS" >> $config_host_mak
7029 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7030 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7031 echo "EXESUF=$EXESUF" >> $config_host_mak
7032 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7033 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7034 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7035 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7036 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7037 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7038 if test "$gcov" = "yes" ; then
7039   echo "CONFIG_GCOV=y" >> $config_host_mak
7040   echo "GCOV=$gcov_tool" >> $config_host_mak
7041 fi
7042
7043 if test "$docker" != "no"; then
7044     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7045 fi
7046
7047 if test "$libudev" != "no"; then
7048     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7049     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7050 fi
7051
7052 # use included Linux headers
7053 if test "$linux" = "yes" ; then
7054   mkdir -p linux-headers
7055   case "$cpu" in
7056   i386|x86_64|x32)
7057     linux_arch=x86
7058     ;;
7059   ppc|ppc64)
7060     linux_arch=powerpc
7061     ;;
7062   s390x)
7063     linux_arch=s390
7064     ;;
7065   aarch64)
7066     linux_arch=arm64
7067     ;;
7068   mips64)
7069     linux_arch=mips
7070     ;;
7071   *)
7072     # For most CPUs the kernel architecture name and QEMU CPU name match.
7073     linux_arch="$cpu"
7074     ;;
7075   esac
7076     # For non-KVM architectures we will not have asm headers
7077     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7078       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7079     fi
7080 fi
7081
7082 for target in $target_list; do
7083 target_dir="$target"
7084 config_target_mak=$target_dir/config-target.mak
7085 target_name=$(echo $target | cut -d '-' -f 1)
7086 target_bigendian="no"
7087
7088 case "$target_name" in
7089   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7090   target_bigendian=yes
7091   ;;
7092 esac
7093 target_softmmu="no"
7094 target_user_only="no"
7095 target_linux_user="no"
7096 target_bsd_user="no"
7097 case "$target" in
7098   ${target_name}-softmmu)
7099     target_softmmu="yes"
7100     ;;
7101   ${target_name}-linux-user)
7102     target_user_only="yes"
7103     target_linux_user="yes"
7104     ;;
7105   ${target_name}-bsd-user)
7106     target_user_only="yes"
7107     target_bsd_user="yes"
7108     ;;
7109   *)
7110     error_exit "Target '$target' not recognised"
7111     exit 1
7112     ;;
7113 esac
7114
7115 target_compiler=""
7116 target_compiler_static=""
7117 target_compiler_cflags=""
7118
7119 mkdir -p $target_dir
7120 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7121
7122 bflt="no"
7123 mttcg="no"
7124 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7125 gdb_xml_files=""
7126
7127 TARGET_ARCH="$target_name"
7128 TARGET_BASE_ARCH=""
7129 TARGET_ABI_DIR=""
7130
7131 case "$target_name" in
7132   i386)
7133     mttcg="yes"
7134     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
7135     target_compiler=$cross_cc_i386
7136     target_compiler_cflags=$cross_cc_ccflags_i386
7137   ;;
7138   x86_64)
7139     TARGET_BASE_ARCH=i386
7140     mttcg="yes"
7141     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
7142     target_compiler=$cross_cc_x86_64
7143   ;;
7144   alpha)
7145     mttcg="yes"
7146     target_compiler=$cross_cc_alpha
7147   ;;
7148   arm|armeb)
7149     TARGET_ARCH=arm
7150     bflt="yes"
7151     mttcg="yes"
7152     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7153     target_compiler=$cross_cc_arm
7154     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7155   ;;
7156   aarch64|aarch64_be)
7157     TARGET_ARCH=aarch64
7158     TARGET_BASE_ARCH=arm
7159     bflt="yes"
7160     mttcg="yes"
7161     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7162     target_compiler=$cross_cc_aarch64
7163     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7164   ;;
7165   cris)
7166     target_compiler=$cross_cc_cris
7167   ;;
7168   hppa)
7169     mttcg="yes"
7170     target_compiler=$cross_cc_hppa
7171   ;;
7172   lm32)
7173     target_compiler=$cross_cc_lm32
7174   ;;
7175   m68k)
7176     bflt="yes"
7177     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7178     target_compiler=$cross_cc_m68k
7179   ;;
7180   microblaze|microblazeel)
7181     TARGET_ARCH=microblaze
7182     bflt="yes"
7183     echo "TARGET_ABI32=y" >> $config_target_mak
7184     target_compiler=$cross_cc_microblaze
7185   ;;
7186   mips|mipsel)
7187     TARGET_ARCH=mips
7188     target_compiler=$cross_cc_mips
7189     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7190   ;;
7191   mipsn32|mipsn32el)
7192     TARGET_ARCH=mips64
7193     TARGET_BASE_ARCH=mips
7194     target_compiler=$cross_cc_mipsn32
7195     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7196     echo "TARGET_ABI32=y" >> $config_target_mak
7197   ;;
7198   mips64|mips64el)
7199     TARGET_ARCH=mips64
7200     TARGET_BASE_ARCH=mips
7201     target_compiler=$cross_cc_mips64
7202     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7203   ;;
7204   moxie)
7205     target_compiler=$cross_cc_moxie
7206   ;;
7207   nios2)
7208     target_compiler=$cross_cc_nios2
7209   ;;
7210   or1k)
7211     target_compiler=$cross_cc_or1k
7212     TARGET_ARCH=openrisc
7213     TARGET_BASE_ARCH=openrisc
7214   ;;
7215   ppc)
7216     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7217     target_compiler=$cross_cc_powerpc
7218   ;;
7219   ppc64)
7220     TARGET_BASE_ARCH=ppc
7221     TARGET_ABI_DIR=ppc
7222     mttcg=yes
7223     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7224     target_compiler=$cross_cc_ppc64
7225   ;;
7226   ppc64le)
7227     TARGET_ARCH=ppc64
7228     TARGET_BASE_ARCH=ppc
7229     TARGET_ABI_DIR=ppc
7230     mttcg=yes
7231     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7232     target_compiler=$cross_cc_ppc64le
7233   ;;
7234   ppc64abi32)
7235     TARGET_ARCH=ppc64
7236     TARGET_BASE_ARCH=ppc
7237     TARGET_ABI_DIR=ppc
7238     echo "TARGET_ABI32=y" >> $config_target_mak
7239     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7240     target_compiler=$cross_cc_ppc64abi32
7241   ;;
7242   riscv32)
7243     TARGET_BASE_ARCH=riscv
7244     TARGET_ABI_DIR=riscv
7245     mttcg=yes
7246     target_compiler=$cross_cc_riscv32
7247   ;;
7248   riscv64)
7249     TARGET_BASE_ARCH=riscv
7250     TARGET_ABI_DIR=riscv
7251     mttcg=yes
7252     target_compiler=$cross_cc_riscv64
7253   ;;
7254   sh4|sh4eb)
7255     TARGET_ARCH=sh4
7256     bflt="yes"
7257     target_compiler=$cross_cc_sh4
7258   ;;
7259   sparc)
7260     target_compiler=$cross_cc_sparc
7261   ;;
7262   sparc64)
7263     TARGET_BASE_ARCH=sparc
7264     target_compiler=$cross_cc_sparc64
7265   ;;
7266   sparc32plus)
7267     TARGET_ARCH=sparc64
7268     TARGET_BASE_ARCH=sparc
7269     TARGET_ABI_DIR=sparc
7270     target_compiler=$cross_cc_sparc32plus
7271     echo "TARGET_ABI32=y" >> $config_target_mak
7272   ;;
7273   s390x)
7274     mttcg=yes
7275     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7276     target_compiler=$cross_cc_s390x
7277   ;;
7278   tilegx)
7279     target_compiler=$cross_cc_tilegx
7280   ;;
7281   tricore)
7282     target_compiler=$cross_cc_tricore
7283   ;;
7284   unicore32)
7285     target_compiler=$cross_cc_unicore32
7286   ;;
7287   xtensa|xtensaeb)
7288     TARGET_ARCH=xtensa
7289     bflt="yes"
7290     mttcg="yes"
7291     target_compiler=$cross_cc_xtensa
7292   ;;
7293   *)
7294     error_exit "Unsupported target CPU"
7295   ;;
7296 esac
7297 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7298 if [ "$TARGET_BASE_ARCH" = "" ]; then
7299   TARGET_BASE_ARCH=$TARGET_ARCH
7300 fi
7301
7302 # Do we have a cross compiler for this target?
7303 if has $target_compiler; then
7304
7305     write_c_skeleton
7306
7307     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7308         # For host systems we might get away with building without -static
7309         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7310             target_compiler=""
7311         else
7312             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7313             target_compiler_static="n"
7314         fi
7315     else
7316         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7317         target_compiler_static="y"
7318     fi
7319 else
7320     target_compiler=""
7321 fi
7322
7323 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7324
7325 upper() {
7326     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7327 }
7328
7329 target_arch_name="$(upper $TARGET_ARCH)"
7330 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7331 echo "TARGET_NAME=$target_name" >> $config_target_mak
7332 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7333 if [ "$TARGET_ABI_DIR" = "" ]; then
7334   TARGET_ABI_DIR=$TARGET_ARCH
7335 fi
7336 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7337 if [ "$HOST_VARIANT_DIR" != "" ]; then
7338     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7339 fi
7340
7341 if supported_xen_target $target; then
7342     echo "CONFIG_XEN=y" >> $config_target_mak
7343     if test "$xen_pci_passthrough" = yes; then
7344         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7345     fi
7346 fi
7347 if supported_kvm_target $target; then
7348     echo "CONFIG_KVM=y" >> $config_target_mak
7349     if test "$vhost_net" = "yes" ; then
7350         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
7351         if test "$vhost_user" = "yes" ; then
7352             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
7353         fi
7354     fi
7355 fi
7356 if supported_hax_target $target; then
7357     echo "CONFIG_HAX=y" >> $config_target_mak
7358 fi
7359 if supported_hvf_target $target; then
7360     echo "CONFIG_HVF=y" >> $config_target_mak
7361 fi
7362 if supported_whpx_target $target; then
7363     echo "CONFIG_WHPX=y" >> $config_target_mak
7364 fi
7365 if test "$target_bigendian" = "yes" ; then
7366   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7367 fi
7368 if test "$target_softmmu" = "yes" ; then
7369   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7370   if test "$mttcg" = "yes" ; then
7371     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7372   fi
7373 fi
7374 if test "$target_user_only" = "yes" ; then
7375   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7376   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7377 fi
7378 if test "$target_linux_user" = "yes" ; then
7379   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7380 fi
7381 list=""
7382 if test ! -z "$gdb_xml_files" ; then
7383   for x in $gdb_xml_files; do
7384     list="$list $source_path/gdb-xml/$x"
7385   done
7386   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7387 fi
7388
7389 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7390   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7391 fi
7392 if test "$target_bsd_user" = "yes" ; then
7393   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7394 fi
7395
7396 if test -n "$target_compiler"; then
7397   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7398
7399   if test -n "$target_compiler_static"; then
7400       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7401   fi
7402
7403   if test -n "$target_compiler_cflags"; then
7404       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7405   fi
7406 fi
7407
7408
7409 # generate QEMU_CFLAGS/LDFLAGS for targets
7410
7411 cflags=""
7412 ldflags=""
7413
7414 disas_config() {
7415   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7416   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7417 }
7418
7419 for i in $ARCH $TARGET_BASE_ARCH ; do
7420   case "$i" in
7421   alpha)
7422     disas_config "ALPHA"
7423   ;;
7424   aarch64)
7425     if test -n "${cxx}"; then
7426       disas_config "ARM_A64"
7427     fi
7428   ;;
7429   arm)
7430     disas_config "ARM"
7431     if test -n "${cxx}"; then
7432       disas_config "ARM_A64"
7433     fi
7434   ;;
7435   cris)
7436     disas_config "CRIS"
7437   ;;
7438   hppa)
7439     disas_config "HPPA"
7440   ;;
7441   i386|x86_64|x32)
7442     disas_config "I386"
7443   ;;
7444   lm32)
7445     disas_config "LM32"
7446   ;;
7447   m68k)
7448     disas_config "M68K"
7449   ;;
7450   microblaze*)
7451     disas_config "MICROBLAZE"
7452   ;;
7453   mips*)
7454     disas_config "MIPS"
7455     if test -n "${cxx}"; then
7456       disas_config "NANOMIPS"
7457     fi
7458   ;;
7459   moxie*)
7460     disas_config "MOXIE"
7461   ;;
7462   nios2)
7463     disas_config "NIOS2"
7464   ;;
7465   or1k)
7466     disas_config "OPENRISC"
7467   ;;
7468   ppc*)
7469     disas_config "PPC"
7470   ;;
7471   riscv*)
7472     disas_config "RISCV"
7473   ;;
7474   s390*)
7475     disas_config "S390"
7476   ;;
7477   sh4)
7478     disas_config "SH4"
7479   ;;
7480   sparc*)
7481     disas_config "SPARC"
7482   ;;
7483   xtensa*)
7484     disas_config "XTENSA"
7485   ;;
7486   esac
7487 done
7488 if test "$tcg_interpreter" = "yes" ; then
7489   disas_config "TCI"
7490 fi
7491
7492 case "$ARCH" in
7493 alpha)
7494   # Ensure there's only a single GP
7495   cflags="-msmall-data $cflags"
7496 ;;
7497 esac
7498
7499 if test "$gprof" = "yes" ; then
7500   echo "TARGET_GPROF=y" >> $config_target_mak
7501   if test "$target_linux_user" = "yes" ; then
7502     cflags="-p $cflags"
7503     ldflags="-p $ldflags"
7504   fi
7505   if test "$target_softmmu" = "yes" ; then
7506     ldflags="-p $ldflags"
7507     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7508   fi
7509 fi
7510
7511 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7512   ldflags="$ldflags $textseg_ldflags"
7513 fi
7514
7515 # Newer kernels on s390 check for an S390_PGSTE program header and
7516 # enable the pgste page table extensions in that case. This makes
7517 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7518 # header if
7519 #  - we build on s390x
7520 #  - we build the system emulation for s390x (qemu-system-s390x)
7521 #  - KVM is enabled
7522 #  - the linker supports --s390-pgste
7523 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7524         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7525     if ld_has --s390-pgste ; then
7526         ldflags="-Wl,--s390-pgste $ldflags"
7527     fi
7528 fi
7529
7530 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7531 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7532
7533 done # for target in $targets
7534
7535 if test -n "$enabled_cross_compilers"; then
7536     echo
7537     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7538 fi
7539
7540 if [ "$fdt" = "git" ]; then
7541   echo "config-host.h: subdir-dtc" >> $config_host_mak
7542 fi
7543 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7544   echo "config-host.h: subdir-capstone" >> $config_host_mak
7545 fi
7546 if test -n "$LIBCAPSTONE"; then
7547   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7548 fi
7549
7550 if test "$numa" = "yes"; then
7551   echo "CONFIG_NUMA=y" >> $config_host_mak
7552 fi
7553
7554 if test "$ccache_cpp2" = "yes"; then
7555   echo "export CCACHE_CPP2=y" >> $config_host_mak
7556 fi
7557
7558 # If we're using a separate build tree, set it up now.
7559 # DIRS are directories which we simply mkdir in the build tree;
7560 # LINKS are things to symlink back into the source tree
7561 # (these can be both files and directories).
7562 # Caution: do not add files or directories here using wildcards. This
7563 # will result in problems later if a new file matching the wildcard is
7564 # added to the source tree -- nothing will cause configure to be rerun
7565 # so the build tree will be missing the link back to the new file, and
7566 # tests might fail. Prefer to keep the relevant files in their own
7567 # directory and symlink the directory instead.
7568 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7569 DIRS="$DIRS tests/fp"
7570 DIRS="$DIRS docs docs/interop fsdev scsi"
7571 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7572 DIRS="$DIRS roms/seabios roms/vgabios"
7573 LINKS="Makefile tests/tcg/Makefile qdict-test-data.txt"
7574 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7575 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7576 LINKS="$LINKS tests/fp/Makefile"
7577 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7578 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7579 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7580 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7581 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7582 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7583 LINKS="$LINKS tests/acceptance tests/data"
7584 LINKS="$LINKS tests/qemu-iotests/check"
7585 for bios_file in \
7586     $source_path/pc-bios/*.bin \
7587     $source_path/pc-bios/*.lid \
7588     $source_path/pc-bios/*.aml \
7589     $source_path/pc-bios/*.rom \
7590     $source_path/pc-bios/*.dtb \
7591     $source_path/pc-bios/*.img \
7592     $source_path/pc-bios/openbios-* \
7593     $source_path/pc-bios/u-boot.* \
7594     $source_path/pc-bios/palcode-*
7595 do
7596     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7597 done
7598 mkdir -p $DIRS
7599 for f in $LINKS ; do
7600     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7601         symlink "$source_path/$f" "$f"
7602     fi
7603 done
7604
7605 # temporary config to build submodules
7606 for rom in seabios vgabios ; do
7607     config_mak=roms/$rom/config.mak
7608     echo "# Automatically generated by configure - do not modify" > $config_mak
7609     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7610     echo "AS=$as" >> $config_mak
7611     echo "CCAS=$ccas" >> $config_mak
7612     echo "CC=$cc" >> $config_mak
7613     echo "BCC=bcc" >> $config_mak
7614     echo "CPP=$cpp" >> $config_mak
7615     echo "OBJCOPY=objcopy" >> $config_mak
7616     echo "IASL=$iasl" >> $config_mak
7617     echo "LD=$ld" >> $config_mak
7618     echo "RANLIB=$ranlib" >> $config_mak
7619 done
7620
7621 # set up qemu-iotests in this build directory
7622 iotests_common_env="tests/qemu-iotests/common.env"
7623
7624 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7625 echo >> "$iotests_common_env"
7626 echo "export PYTHON='$python'" >> "$iotests_common_env"
7627
7628 # Save the configure command line for later reuse.
7629 cat <<EOD >config.status
7630 #!/bin/sh
7631 # Generated by configure.
7632 # Run this file to recreate the current configuration.
7633 # Compiler output produced by configure, useful for debugging
7634 # configure, is in config.log if it exists.
7635 EOD
7636
7637 preserve_env() {
7638     envname=$1
7639
7640     eval envval=\$$envname
7641
7642     if test -n "$envval"
7643     then
7644         echo "$envname='$envval'" >> config.status
7645         echo "export $envname" >> config.status
7646     else
7647         echo "unset $envname" >> config.status
7648     fi
7649 }
7650
7651 # Preserve various env variables that influence what
7652 # features/build target configure will detect
7653 preserve_env AR
7654 preserve_env AS
7655 preserve_env CC
7656 preserve_env CPP
7657 preserve_env CXX
7658 preserve_env INSTALL
7659 preserve_env LD
7660 preserve_env LD_LIBRARY_PATH
7661 preserve_env LIBTOOL
7662 preserve_env MAKE
7663 preserve_env NM
7664 preserve_env OBJCOPY
7665 preserve_env PATH
7666 preserve_env PKG_CONFIG
7667 preserve_env PKG_CONFIG_LIBDIR
7668 preserve_env PKG_CONFIG_PATH
7669 preserve_env PYTHON
7670 preserve_env SDL_CONFIG
7671 preserve_env SDL2_CONFIG
7672 preserve_env SMBD
7673 preserve_env STRIP
7674 preserve_env WINDRES
7675
7676 printf "exec" >>config.status
7677 printf " '%s'" "$0" "$@" >>config.status
7678 echo ' "$@"' >>config.status
7679 chmod +x config.status
7680
7681 rm -r "$TMPDIR1"