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     echo $compiler "$@" >> config.log
  64     $compiler "$@" >> config.log 2>&1 || return $?
  65     # Test passed. If this is an --enable-werror build, rerun
  66     # the test with -Werror and bail out if it fails. This
  67     # makes warning-generating-errors in configure test code
  68     # obvious to developers.
  69     if test "$werror" != "yes"; then
  70         return 0
  71     fi
  72     # Don't bother rerunning the compile if we were already using -Werror
  73     case "$*" in
  74         *-Werror*)
  75            return 0
  76         ;;
  77     esac
  78     echo $compiler -Werror "$@" >> config.log
  79     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  80     error_exit "configure test passed without -Werror but failed with -Werror." \
  81         "This is probably a bug in the configure script. The failing command" \
  82         "will be at the bottom of config.log." \
  83         "You can run configure with --disable-werror to bypass this check."
  84 }
  85
  86 do_cc() {
  87     do_compiler "$cc" "$@"
  88 }
  89
  90 do_cxx() {
  91     do_compiler "$cxx" "$@"
  92 }
  93
  94 update_cxxflags() {
  95     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  96     # options which some versions of GCC's C++ compiler complain about
  97     # because they only make sense for C programs.
  98     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
  99
 100     for arg in $QEMU_CFLAGS; do
 101         case $arg in
 102             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 103             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 104                 ;;
 105             *)
 106                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 107                 ;;
 108         esac
 109     done
 110 }
 111
 112 compile_object() {
 113   local_cflags="$1"
 114   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 115 }
 116
 117 compile_prog() {
 118   local_cflags="$1"
 119   local_ldflags="$2"
 120   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 121 }
 122
 123 # symbolically link $1 to $2.  Portable version of "ln -sf".
 124 symlink() {
 125   rm -rf "$2"
 126   mkdir -p "$(dirname "$2")"
 127   ln -s "$1" "$2"
 128 }
 129
 130 # check whether a command is available to this shell (may be either an
 131 # executable or a builtin)
 132 has() {
 133     type "$1" >/dev/null 2>&1
 134 }
 135
 136 # search for an executable in PATH
 137 path_of() {
 138     local_command="$1"
 139     local_ifs="$IFS"
 140     local_dir=""
 141
 142     # pathname has a dir component?
 143     if [ "${local_command#*/}" != "$local_command" ]; then
 144         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 145             echo "$local_command"
 146             return 0
 147         fi
 148     fi
 149     if [ -z "$local_command" ]; then
 150         return 1
 151     fi
 152
 153     IFS=:
 154     for local_dir in $PATH; do
 155         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 156             echo "$local_dir/$local_command"
 157             IFS="${local_ifs:-$(printf ' \t\n')}"
 158             return 0
 159         fi
 160     done
 161     # not found
 162     IFS="${local_ifs:-$(printf ' \t\n')}"
 163     return 1
 164 }
 165
 166 have_backend () {
 167     echo "$trace_backends" | grep "$1" >/dev/null
 168 }
 169
 170 glob() {
 171     eval test -z '"${1#'"$2"'}"'
 172 }
 173
 174 supported_hax_target() {
 175     test "$hax" = "yes" || return 1
 176     glob "$1" "*-softmmu" || return 1
 177     case "${1%-softmmu}" in
 178         i386|x86_64)
 179             return 0
 180         ;;
 181     esac
 182     return 1
 183 }
 184
 185 supported_kvm_target() {
 186     test "$kvm" = "yes" || return 1
 187     glob "$1" "*-softmmu" || return 1
 188     case "${1%-softmmu}:$cpu" in
 189         arm:arm | aarch64:aarch64 | \
 190         i386:i386 | i386:x86_64 | i386:x32 | \
 191         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 192         mips:mips | mipsel:mips | \
 193         ppc:ppc | ppcemb:ppc | ppc64:ppc | \
 194         ppc:ppc64 | ppcemb:ppc64 | ppc64:ppc64 | \
 195         s390x:s390x)
 196             return 0
 197         ;;
 198     esac
 199     return 1
 200 }
 201
 202 supported_xen_target() {
 203     test "$xen" = "yes" || return 1
 204     glob "$1" "*-softmmu" || return 1
 205     # Only i386 and x86_64 provide the xenpv machine.
 206     case "${1%-softmmu}" in
 207         i386|x86_64)
 208             return 0
 209         ;;
 210     esac
 211     return 1
 212 }
 213
 214 supported_hvf_target() {
 215     test "$hvf" = "yes" || return 1
 216     glob "$1" "*-softmmu" || return 1
 217     case "${1%-softmmu}" in
 218         x86_64)
 219             return 0
 220         ;;
 221     esac
 222     return 1
 223 }
 224
 225 supported_whpx_target() {
 226     test "$whpx" = "yes" || return 1
 227     glob "$1" "*-softmmu" || return 1
 228     case "${1%-softmmu}" in
 229         i386|x86_64)
 230             return 0
 231         ;;
 232     esac
 233     return 1
 234 }
 235
 236 supported_target() {
 237     case "$1" in
 238         *-softmmu)
 239             ;;
 240         *-linux-user)
 241             if test "$linux" != "yes"; then
 242                 print_error "Target '$target' is only available on a Linux host"
 243                 return 1
 244             fi
 245             ;;
 246         *-bsd-user)
 247             if test "$bsd" != "yes"; then
 248                 print_error "Target '$target' is only available on a BSD host"
 249                 return 1
 250             fi
 251             ;;
 252         *)
 253             print_error "Invalid target name '$target'"
 254             return 1
 255             ;;
 256     esac
 257     test "$tcg" = "yes" && return 0
 258     supported_kvm_target "$1" && return 0
 259     supported_xen_target "$1" && return 0
 260     supported_hax_target "$1" && return 0
 261     supported_hvf_target "$1" && return 0
 262     supported_whpx_target "$1" && return 0
 263     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 264     return 1
 265 }
 266
 267
 268 ld_has() {
 269     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 270 }
 271
 272 # default parameters
 273 source_path=$(dirname "$0")
 274 cpu=""
 275 iasl="iasl"
 276 interp_prefix="/usr/gnemul/qemu-%M"
 277 static="no"
 278 cross_prefix=""
 279 audio_drv_list=""
 280 block_drv_rw_whitelist=""
 281 block_drv_ro_whitelist=""
 282 host_cc="cc"
 283 libs_softmmu=""
 284 libs_tools=""
 285 audio_pt_int=""
 286 audio_win_int=""
 287 cc_i386=i386-pc-linux-gnu-gcc
 288 libs_qga=""
 289 debug_info="yes"
 290 stack_protector=""
 291
 292 if test -e "$source_path/.git"
 293 then
 294     git_update=yes
 295     git_submodules="ui/keycodemapdb"
 296 else
 297     git_update=no
 298     git_submodules=""
 299 fi
 300 git="git"
 301
 302 # Don't accept a target_list environment variable.
 303 unset target_list
 304
 305 # Default value for a variable defining feature "foo".
 306 #  * foo="no"  feature will only be used if --enable-foo arg is given
 307 #  * foo=""    feature will be searched for, and if found, will be used
 308 #              unless --disable-foo is given
 309 #  * foo="yes" this value will only be set by --enable-foo flag.
 310 #              feature will searched for,
 311 #              if not found, configure exits with error
 312 #
 313 # Always add --enable-foo and --disable-foo command line args.
 314 # Distributions want to ensure that several features are compiled in, and it
 315 # is impossible without a --enable-foo that exits if a feature is not found.
 316
 317 bluez=""
 318 brlapi=""
 319 curl=""
 320 curses=""
 321 docs=""
 322 fdt=""
 323 netmap="no"
 324 sdl=""
 325 sdlabi=""
 326 virtfs=""
 327 mpath=""
 328 vnc="yes"
 329 sparse="no"
 330 vde=""
 331 vnc_sasl=""
 332 vnc_jpeg=""
 333 vnc_png=""
 334 xkbcommon=""
 335 xen=""
 336 xen_ctrl_version=""
 337 xen_pv_domain_build="no"
 338 xen_pci_passthrough=""
 339 linux_aio=""
 340 cap_ng=""
 341 attr=""
 342 libattr=""
 343 xfs=""
 344 tcg="yes"
 345
 346 vhost_net="no"
 347 vhost_crypto="no"
 348 vhost_scsi="no"
 349 vhost_vsock="no"
 350 vhost_user=""
 351 kvm="no"
 352 hax="no"
 353 hvf="no"
 354 whpx="no"
 355 rdma=""
 356 gprof="no"
 357 debug_tcg="no"
 358 debug="no"
 359 sanitizers="no"
 360 fortify_source=""
 361 strip_opt="yes"
 362 tcg_interpreter="no"
 363 bigendian="no"
 364 mingw32="no"
 365 gcov="no"
 366 gcov_tool="gcov"
 367 EXESUF=""
 368 DSOSUF=".so"
 369 LDFLAGS_SHARED="-shared"
 370 modules="no"
 371 prefix="/usr/local"
 372 mandir="\${prefix}/share/man"
 373 datadir="\${prefix}/share"
 374 firmwarepath="\${prefix}/share/qemu-firmware"
 375 qemu_docdir="\${prefix}/share/doc/qemu"
 376 bindir="\${prefix}/bin"
 377 libdir="\${prefix}/lib"
 378 libexecdir="\${prefix}/libexec"
 379 includedir="\${prefix}/include"
 380 sysconfdir="\${prefix}/etc"
 381 local_statedir="\${prefix}/var"
 382 confsuffix="/qemu"
 383 slirp="yes"
 384 oss_lib=""
 385 bsd="no"
 386 linux="no"
 387 solaris="no"
 388 profiler="no"
 389 cocoa="no"
 390 softmmu="yes"
 391 linux_user="no"
 392 bsd_user="no"
 393 blobs="yes"
 394 pkgversion=""
 395 pie=""
 396 qom_cast_debug="yes"
 397 trace_backends="log"
 398 trace_file="trace"
 399 spice=""
 400 rbd=""
 401 smartcard=""
 402 libusb=""
 403 usb_redir=""
 404 opengl=""
 405 opengl_dmabuf="no"
 406 cpuid_h="no"
 407 avx2_opt="no"
 408 zlib="yes"
 409 capstone=""
 410 lzo=""
 411 snappy=""
 412 bzip2=""
 413 guest_agent=""
 414 guest_agent_with_vss="no"
 415 guest_agent_ntddscsi="no"
 416 guest_agent_msi=""
 417 vss_win32_sdk=""
 418 win_sdk="no"
 419 want_tools="yes"
 420 libiscsi=""
 421 libnfs=""
 422 coroutine=""
 423 coroutine_pool=""
 424 debug_stack_usage="no"
 425 crypto_afalg="no"
 426 seccomp=""
 427 glusterfs=""
 428 glusterfs_xlator_opt="no"
 429 glusterfs_discard="no"
 430 glusterfs_fallocate="no"
 431 glusterfs_zerofill="no"
 432 gtk=""
 433 gtkabi=""
 434 gtk_gl="no"
 435 tls_priority="NORMAL"
 436 gnutls=""
 437 gnutls_rnd=""
 438 nettle=""
 439 nettle_kdf="no"
 440 gcrypt=""
 441 gcrypt_hmac="no"
 442 gcrypt_kdf="no"
 443 vte=""
 444 virglrenderer=""
 445 tpm="yes"
 446 libssh2=""
 447 live_block_migration="yes"
 448 numa=""
 449 tcmalloc="no"
 450 jemalloc="no"
 451 replication="yes"
 452 vxhs=""
 453 libxml2=""
 454
 455 supported_cpu="no"
 456 supported_os="no"
 457 bogus_os="no"
 458 malloc_trim=""
 459
 460 # parse CC options first
 461 for opt do
 462   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 463   case "$opt" in
 464   --cross-prefix=*) cross_prefix="$optarg"
 465   ;;
 466   --cc=*) CC="$optarg"
 467   ;;
 468   --cxx=*) CXX="$optarg"
 469   ;;
 470   --source-path=*) source_path="$optarg"
 471   ;;
 472   --cpu=*) cpu="$optarg"
 473   ;;
 474   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 475   ;;
 476   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 477   ;;
 478   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 479                      EXTRA_LDFLAGS="$optarg"
 480   ;;
 481   --enable-debug-info) debug_info="yes"
 482   ;;
 483   --disable-debug-info) debug_info="no"
 484   ;;
 485   esac
 486 done
 487 # OS specific
 488 # Using uname is really, really broken.  Once we have the right set of checks
 489 # we can eliminate its usage altogether.
 490
 491 # Preferred compiler:
 492 #  ${CC} (if set)
 493 #  ${cross_prefix}gcc (if cross-prefix specified)
 494 #  system compiler
 495 if test -z "${CC}${cross_prefix}"; then
 496   cc="$host_cc"
 497 else
 498   cc="${CC-${cross_prefix}gcc}"
 499 fi
 500
 501 if test -z "${CXX}${cross_prefix}"; then
 502   cxx="c++"
 503 else
 504   cxx="${CXX-${cross_prefix}g++}"
 505 fi
 506
 507 ar="${AR-${cross_prefix}ar}"
 508 as="${AS-${cross_prefix}as}"
 509 ccas="${CCAS-$cc}"
 510 cpp="${CPP-$cc -E}"
 511 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 512 ld="${LD-${cross_prefix}ld}"
 513 ranlib="${RANLIB-${cross_prefix}ranlib}"
 514 nm="${NM-${cross_prefix}nm}"
 515 strip="${STRIP-${cross_prefix}strip}"
 516 windres="${WINDRES-${cross_prefix}windres}"
 517 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 518 query_pkg_config() {
 519     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 520 }
 521 pkg_config=query_pkg_config
 522 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 523 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 524
 525 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 526 ARFLAGS="${ARFLAGS-rv}"
 527
 528 # default flags for all hosts
 529 # We use -fwrapv to tell the compiler that we require a C dialect where
 530 # left shift of signed integers is well defined and has the expected
 531 # 2s-complement style results. (Both clang and gcc agree that it
 532 # provides these semantics.)
 533 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 534 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 535 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 536 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 537 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 538 if test "$debug_info" = "yes"; then
 539     CFLAGS="-g $CFLAGS"
 540     LDFLAGS="-g $LDFLAGS"
 541 fi
 542
 543 # make source path absolute
 544 source_path=$(cd "$source_path"; pwd)
 545
 546 # running configure in the source tree?
 547 # we know that's the case if configure is there.
 548 if test -f "./configure"; then
 549     pwd_is_source_path="y"
 550 else
 551     pwd_is_source_path="n"
 552 fi
 553
 554 check_define() {
 555 cat > $TMPC <<EOF
 556 #if !defined($1)
 557 #error $1 not defined
 558 #endif
 559 int main(void) { return 0; }
 560 EOF
 561   compile_object
 562 }
 563
 564 check_include() {
 565 cat > $TMPC <<EOF
 566 #include <$1>
 567 int main(void) { return 0; }
 568 EOF
 569   compile_object
 570 }
 571
 572 write_c_skeleton() {
 573     cat > $TMPC <<EOF
 574 int main(void) { return 0; }
 575 EOF
 576 }
 577
 578 if check_define __linux__ ; then
 579   targetos="Linux"
 580 elif check_define _WIN32 ; then
 581   targetos='MINGW32'
 582 elif check_define __OpenBSD__ ; then
 583   targetos='OpenBSD'
 584 elif check_define __sun__ ; then
 585   targetos='SunOS'
 586 elif check_define __HAIKU__ ; then
 587   targetos='Haiku'
 588 elif check_define __FreeBSD__ ; then
 589   targetos='FreeBSD'
 590 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 591   targetos='GNU/kFreeBSD'
 592 elif check_define __DragonFly__ ; then
 593   targetos='DragonFly'
 594 elif check_define __NetBSD__; then
 595   targetos='NetBSD'
 596 elif check_define __APPLE__; then
 597   targetos='Darwin'
 598 else
 599   # This is a fatal error, but don't report it yet, because we
 600   # might be going to just print the --help text, or it might
 601   # be the result of a missing compiler.
 602   targetos='bogus'
 603   bogus_os='yes'
 604 fi
 605
 606 # Some host OSes need non-standard checks for which CPU to use.
 607 # Note that these checks are broken for cross-compilation: if you're
 608 # cross-compiling to one of these OSes then you'll need to specify
 609 # the correct CPU with the --cpu option.
 610 case $targetos in
 611 Darwin)
 612   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 613   # run 64-bit userspace code.
 614   # If the user didn't specify a CPU explicitly and the kernel says this is
 615   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 616   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 617     cpu="x86_64"
 618   fi
 619   ;;
 620 SunOS)
 621   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 622   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 623     cpu="x86_64"
 624   fi
 625 esac
 626
 627 if test ! -z "$cpu" ; then
 628   # command line argument
 629   :
 630 elif check_define __i386__ ; then
 631   cpu="i386"
 632 elif check_define __x86_64__ ; then
 633   if check_define __ILP32__ ; then
 634     cpu="x32"
 635   else
 636     cpu="x86_64"
 637   fi
 638 elif check_define __sparc__ ; then
 639   if check_define __arch64__ ; then
 640     cpu="sparc64"
 641   else
 642     cpu="sparc"
 643   fi
 644 elif check_define _ARCH_PPC ; then
 645   if check_define _ARCH_PPC64 ; then
 646     cpu="ppc64"
 647   else
 648     cpu="ppc"
 649   fi
 650 elif check_define __mips__ ; then
 651   cpu="mips"
 652 elif check_define __s390__ ; then
 653   if check_define __s390x__ ; then
 654     cpu="s390x"
 655   else
 656     cpu="s390"
 657   fi
 658 elif check_define __arm__ ; then
 659   cpu="arm"
 660 elif check_define __aarch64__ ; then
 661   cpu="aarch64"
 662 else
 663   cpu=$(uname -m)
 664 fi
 665
 666 ARCH=
 667 # Normalise host CPU name and set ARCH.
 668 # Note that this case should only have supported host CPUs, not guests.
 669 case "$cpu" in
 670   ppc|ppc64|s390|s390x|sparc64|x32)
 671     cpu="$cpu"
 672     supported_cpu="yes"
 673   ;;
 674   i386|i486|i586|i686|i86pc|BePC)
 675     cpu="i386"
 676     supported_cpu="yes"
 677   ;;
 678   x86_64|amd64)
 679     cpu="x86_64"
 680     supported_cpu="yes"
 681   ;;
 682   armv*b|armv*l|arm)
 683     cpu="arm"
 684     supported_cpu="yes"
 685   ;;
 686   aarch64)
 687     cpu="aarch64"
 688     supported_cpu="yes"
 689   ;;
 690   mips*)
 691     cpu="mips"
 692     supported_cpu="yes"
 693   ;;
 694   sparc|sun4[cdmuv])
 695     cpu="sparc"
 696     supported_cpu="yes"
 697   ;;
 698   *)
 699     # This will result in either an error or falling back to TCI later
 700     ARCH=unknown
 701   ;;
 702 esac
 703 if test -z "$ARCH"; then
 704   ARCH="$cpu"
 705 fi
 706
 707 # OS specific
 708
 709 # host *BSD for user mode
 710 HOST_VARIANT_DIR=""
 711
 712 case $targetos in
 713 MINGW32*)
 714   mingw32="yes"
 715   hax="yes"
 716   audio_possible_drivers="dsound sdl"
 717   if check_include dsound.h; then
 718     audio_drv_list="dsound"
 719   else
 720     audio_drv_list=""
 721   fi
 722   supported_os="yes"
 723 ;;
 724 GNU/kFreeBSD)
 725   bsd="yes"
 726   audio_drv_list="oss"
 727   audio_possible_drivers="oss sdl pa"
 728 ;;
 729 FreeBSD)
 730   bsd="yes"
 731   make="${MAKE-gmake}"
 732   audio_drv_list="oss"
 733   audio_possible_drivers="oss sdl pa"
 734   # needed for kinfo_getvmmap(3) in libutil.h
 735   LIBS="-lutil $LIBS"
 736   # needed for kinfo_getproc
 737   libs_qga="-lutil $libs_qga"
 738   netmap=""  # enable netmap autodetect
 739   HOST_VARIANT_DIR="freebsd"
 740   supported_os="yes"
 741 ;;
 742 DragonFly)
 743   bsd="yes"
 744   make="${MAKE-gmake}"
 745   audio_drv_list="oss"
 746   audio_possible_drivers="oss sdl pa"
 747   HOST_VARIANT_DIR="dragonfly"
 748 ;;
 749 NetBSD)
 750   bsd="yes"
 751   make="${MAKE-gmake}"
 752   audio_drv_list="oss"
 753   audio_possible_drivers="oss sdl"
 754   oss_lib="-lossaudio"
 755   HOST_VARIANT_DIR="netbsd"
 756   supported_os="yes"
 757 ;;
 758 OpenBSD)
 759   bsd="yes"
 760   make="${MAKE-gmake}"
 761   audio_drv_list="sdl"
 762   audio_possible_drivers="sdl"
 763   HOST_VARIANT_DIR="openbsd"
 764   supported_os="yes"
 765 ;;
 766 Darwin)
 767   bsd="yes"
 768   darwin="yes"
 769   hax="yes"
 770   hvf="yes"
 771   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 772   if [ "$cpu" = "x86_64" ] ; then
 773     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 774     LDFLAGS="-arch x86_64 $LDFLAGS"
 775   fi
 776   cocoa="yes"
 777   audio_drv_list="coreaudio"
 778   audio_possible_drivers="coreaudio sdl"
 779   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 780   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 781   # Disable attempts to use ObjectiveC features in os/object.h since they
 782   # won't work when we're compiling with gcc as a C compiler.
 783   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 784   HOST_VARIANT_DIR="darwin"
 785   supported_os="yes"
 786 ;;
 787 SunOS)
 788   solaris="yes"
 789   make="${MAKE-gmake}"
 790   install="${INSTALL-ginstall}"
 791   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 792   if test -f /usr/include/sys/soundcard.h ; then
 793     audio_drv_list="oss"
 794   fi
 795   audio_possible_drivers="oss sdl"
 796 # needed for CMSG_ macros in sys/socket.h
 797   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 798 # needed for TIOCWIN* defines in termios.h
 799   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 800   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 801   solarisnetlibs="-lsocket -lnsl -lresolv"
 802   LIBS="$solarisnetlibs $LIBS"
 803   libs_qga="$solarisnetlibs $libs_qga"
 804 ;;
 805 Haiku)
 806   haiku="yes"
 807   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 808   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 809 ;;
 810 Linux)
 811   audio_drv_list="oss"
 812   audio_possible_drivers="oss alsa sdl pa"
 813   linux="yes"
 814   linux_user="yes"
 815   kvm="yes"
 816   vhost_net="yes"
 817   vhost_crypto="yes"
 818   vhost_scsi="yes"
 819   vhost_vsock="yes"
 820   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 821   supported_os="yes"
 822 ;;
 823 esac
 824
 825 if [ "$bsd" = "yes" ] ; then
 826   if [ "$darwin" != "yes" ] ; then
 827     bsd_user="yes"
 828   fi
 829 fi
 830
 831 : ${make=${MAKE-make}}
 832 : ${install=${INSTALL-install}}
 833 : ${python=${PYTHON-python}}
 834 : ${smbd=${SMBD-/usr/sbin/smbd}}
 835
 836 # Default objcc to clang if available, otherwise use CC
 837 if has clang; then
 838   objcc=clang
 839 else
 840   objcc="$cc"
 841 fi
 842
 843 if test "$mingw32" = "yes" ; then
 844   EXESUF=".exe"
 845   DSOSUF=".dll"
 846   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 847   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 848   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 849   # MinGW needs -mthreads for TLS and macro _MT.
 850   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 851   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 852   write_c_skeleton;
 853   if compile_prog "" "-liberty" ; then
 854     LIBS="-liberty $LIBS"
 855   fi
 856   prefix="c:/Program Files/QEMU"
 857   mandir="\${prefix}"
 858   datadir="\${prefix}"
 859   qemu_docdir="\${prefix}"
 860   bindir="\${prefix}"
 861   sysconfdir="\${prefix}"
 862   local_statedir=
 863   confsuffix=""
 864   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 865 fi
 866
 867 werror=""
 868
 869 for opt do
 870   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 871   case "$opt" in
 872   --help|-h) show_help=yes
 873   ;;
 874   --version|-V) exec cat $source_path/VERSION
 875   ;;
 876   --prefix=*) prefix="$optarg"
 877   ;;
 878   --interp-prefix=*) interp_prefix="$optarg"
 879   ;;
 880   --source-path=*)
 881   ;;
 882   --cross-prefix=*)
 883   ;;
 884   --cc=*)
 885   ;;
 886   --host-cc=*) host_cc="$optarg"
 887   ;;
 888   --cxx=*)
 889   ;;
 890   --iasl=*) iasl="$optarg"
 891   ;;
 892   --objcc=*) objcc="$optarg"
 893   ;;
 894   --make=*) make="$optarg"
 895   ;;
 896   --install=*) install="$optarg"
 897   ;;
 898   --python=*) python="$optarg"
 899   ;;
 900   --gcov=*) gcov_tool="$optarg"
 901   ;;
 902   --smbd=*) smbd="$optarg"
 903   ;;
 904   --extra-cflags=*)
 905   ;;
 906   --extra-cxxflags=*)
 907   ;;
 908   --extra-ldflags=*)
 909   ;;
 910   --enable-debug-info)
 911   ;;
 912   --disable-debug-info)
 913   ;;
 914   --enable-modules)
 915       modules="yes"
 916   ;;
 917   --disable-modules)
 918       modules="no"
 919   ;;
 920   --cpu=*)
 921   ;;
 922   --target-list=*) target_list="$optarg"
 923   ;;
 924   --enable-trace-backends=*) trace_backends="$optarg"
 925   ;;
 926   # XXX: backwards compatibility
 927   --enable-trace-backend=*) trace_backends="$optarg"
 928   ;;
 929   --with-trace-file=*) trace_file="$optarg"
 930   ;;
 931   --enable-gprof) gprof="yes"
 932   ;;
 933   --enable-gcov) gcov="yes"
 934   ;;
 935   --static)
 936     static="yes"
 937     LDFLAGS="-static $LDFLAGS"
 938     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 939   ;;
 940   --mandir=*) mandir="$optarg"
 941   ;;
 942   --bindir=*) bindir="$optarg"
 943   ;;
 944   --libdir=*) libdir="$optarg"
 945   ;;
 946   --libexecdir=*) libexecdir="$optarg"
 947   ;;
 948   --includedir=*) includedir="$optarg"
 949   ;;
 950   --datadir=*) datadir="$optarg"
 951   ;;
 952   --with-confsuffix=*) confsuffix="$optarg"
 953   ;;
 954   --docdir=*) qemu_docdir="$optarg"
 955   ;;
 956   --sysconfdir=*) sysconfdir="$optarg"
 957   ;;
 958   --localstatedir=*) local_statedir="$optarg"
 959   ;;
 960   --firmwarepath=*) firmwarepath="$optarg"
 961   ;;
 962   --sbindir=*|--sharedstatedir=*|\
 963   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 964   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 965     # These switches are silently ignored, for compatibility with
 966     # autoconf-generated configure scripts. This allows QEMU's
 967     # configure to be used by RPM and similar macros that set
 968     # lots of directory switches by default.
 969   ;;
 970   --disable-sdl) sdl="no"
 971   ;;
 972   --enable-sdl) sdl="yes"
 973   ;;
 974   --with-sdlabi=*) sdlabi="$optarg"
 975   ;;
 976   --disable-qom-cast-debug) qom_cast_debug="no"
 977   ;;
 978   --enable-qom-cast-debug) qom_cast_debug="yes"
 979   ;;
 980   --disable-virtfs) virtfs="no"
 981   ;;
 982   --enable-virtfs) virtfs="yes"
 983   ;;
 984   --disable-mpath) mpath="no"
 985   ;;
 986   --enable-mpath) mpath="yes"
 987   ;;
 988   --disable-vnc) vnc="no"
 989   ;;
 990   --enable-vnc) vnc="yes"
 991   ;;
 992   --oss-lib=*) oss_lib="$optarg"
 993   ;;
 994   --audio-drv-list=*) audio_drv_list="$optarg"
 995   ;;
 996   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 997   ;;
 998   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 999   ;;
1000   --enable-debug-tcg) debug_tcg="yes"
1001   ;;
1002   --disable-debug-tcg) debug_tcg="no"
1003   ;;
1004   --enable-debug)
1005       # Enable debugging options that aren't excessively noisy
1006       debug_tcg="yes"
1007       debug="yes"
1008       strip_opt="no"
1009       fortify_source="no"
1010   ;;
1011   --enable-sanitizers) sanitizers="yes"
1012   ;;
1013   --disable-sanitizers) sanitizers="no"
1014   ;;
1015   --enable-sparse) sparse="yes"
1016   ;;
1017   --disable-sparse) sparse="no"
1018   ;;
1019   --disable-strip) strip_opt="no"
1020   ;;
1021   --disable-vnc-sasl) vnc_sasl="no"
1022   ;;
1023   --enable-vnc-sasl) vnc_sasl="yes"
1024   ;;
1025   --disable-vnc-jpeg) vnc_jpeg="no"
1026   ;;
1027   --enable-vnc-jpeg) vnc_jpeg="yes"
1028   ;;
1029   --disable-vnc-png) vnc_png="no"
1030   ;;
1031   --enable-vnc-png) vnc_png="yes"
1032   ;;
1033   --disable-slirp) slirp="no"
1034   ;;
1035   --disable-vde) vde="no"
1036   ;;
1037   --enable-vde) vde="yes"
1038   ;;
1039   --disable-netmap) netmap="no"
1040   ;;
1041   --enable-netmap) netmap="yes"
1042   ;;
1043   --disable-xen) xen="no"
1044   ;;
1045   --enable-xen) xen="yes"
1046   ;;
1047   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1048   ;;
1049   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1050   ;;
1051   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
1052   ;;
1053   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1054   ;;
1055   --disable-brlapi) brlapi="no"
1056   ;;
1057   --enable-brlapi) brlapi="yes"
1058   ;;
1059   --disable-bluez) bluez="no"
1060   ;;
1061   --enable-bluez) bluez="yes"
1062   ;;
1063   --disable-kvm) kvm="no"
1064   ;;
1065   --enable-kvm) kvm="yes"
1066   ;;
1067   --disable-hax) hax="no"
1068   ;;
1069   --enable-hax) hax="yes"
1070   ;;
1071   --disable-hvf) hvf="no"
1072   ;;
1073   --enable-hvf) hvf="yes"
1074   ;;
1075   --disable-whpx) whpx="no"
1076   ;;
1077   --enable-whpx) whpx="yes"
1078   ;;
1079   --disable-tcg-interpreter) tcg_interpreter="no"
1080   ;;
1081   --enable-tcg-interpreter) tcg_interpreter="yes"
1082   ;;
1083   --disable-cap-ng)  cap_ng="no"
1084   ;;
1085   --enable-cap-ng) cap_ng="yes"
1086   ;;
1087   --disable-tcg) tcg="no"
1088   ;;
1089   --enable-tcg) tcg="yes"
1090   ;;
1091   --disable-malloc-trim) malloc_trim="no"
1092   ;;
1093   --enable-malloc-trim) malloc_trim="yes"
1094   ;;
1095   --disable-spice) spice="no"
1096   ;;
1097   --enable-spice) spice="yes"
1098   ;;
1099   --disable-libiscsi) libiscsi="no"
1100   ;;
1101   --enable-libiscsi) libiscsi="yes"
1102   ;;
1103   --disable-libnfs) libnfs="no"
1104   ;;
1105   --enable-libnfs) libnfs="yes"
1106   ;;
1107   --enable-profiler) profiler="yes"
1108   ;;
1109   --disable-cocoa) cocoa="no"
1110   ;;
1111   --enable-cocoa)
1112       cocoa="yes" ;
1113       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1114   ;;
1115   --disable-system) softmmu="no"
1116   ;;
1117   --enable-system) softmmu="yes"
1118   ;;
1119   --disable-user)
1120       linux_user="no" ;
1121       bsd_user="no" ;
1122   ;;
1123   --enable-user) ;;
1124   --disable-linux-user) linux_user="no"
1125   ;;
1126   --enable-linux-user) linux_user="yes"
1127   ;;
1128   --disable-bsd-user) bsd_user="no"
1129   ;;
1130   --enable-bsd-user) bsd_user="yes"
1131   ;;
1132   --enable-pie) pie="yes"
1133   ;;
1134   --disable-pie) pie="no"
1135   ;;
1136   --enable-werror) werror="yes"
1137   ;;
1138   --disable-werror) werror="no"
1139   ;;
1140   --enable-stack-protector) stack_protector="yes"
1141   ;;
1142   --disable-stack-protector) stack_protector="no"
1143   ;;
1144   --disable-curses) curses="no"
1145   ;;
1146   --enable-curses) curses="yes"
1147   ;;
1148   --disable-curl) curl="no"
1149   ;;
1150   --enable-curl) curl="yes"
1151   ;;
1152   --disable-fdt) fdt="no"
1153   ;;
1154   --enable-fdt) fdt="yes"
1155   ;;
1156   --disable-linux-aio) linux_aio="no"
1157   ;;
1158   --enable-linux-aio) linux_aio="yes"
1159   ;;
1160   --disable-attr) attr="no"
1161   ;;
1162   --enable-attr) attr="yes"
1163   ;;
1164   --disable-blobs) blobs="no"
1165   ;;
1166   --with-pkgversion=*) pkgversion=" ($optarg)"
1167   ;;
1168   --with-coroutine=*) coroutine="$optarg"
1169   ;;
1170   --disable-coroutine-pool) coroutine_pool="no"
1171   ;;
1172   --enable-coroutine-pool) coroutine_pool="yes"
1173   ;;
1174   --enable-debug-stack-usage) debug_stack_usage="yes"
1175   ;;
1176   --enable-crypto-afalg) crypto_afalg="yes"
1177   ;;
1178   --disable-crypto-afalg) crypto_afalg="no"
1179   ;;
1180   --disable-docs) docs="no"
1181   ;;
1182   --enable-docs) docs="yes"
1183   ;;
1184   --disable-vhost-net) vhost_net="no"
1185   ;;
1186   --enable-vhost-net) vhost_net="yes"
1187   ;;
1188   --disable-vhost-crypto) vhost_crypto="no"
1189   ;;
1190   --enable-vhost-crypto)
1191       vhost_crypto="yes"
1192       if test "$mingw32" = "yes"; then
1193           error_exit "vhost-crypto isn't available on win32"
1194       fi
1195   ;;
1196   --disable-vhost-scsi) vhost_scsi="no"
1197   ;;
1198   --enable-vhost-scsi) vhost_scsi="yes"
1199   ;;
1200   --disable-vhost-vsock) vhost_vsock="no"
1201   ;;
1202   --enable-vhost-vsock) vhost_vsock="yes"
1203   ;;
1204   --disable-opengl) opengl="no"
1205   ;;
1206   --enable-opengl) opengl="yes"
1207   ;;
1208   --disable-rbd) rbd="no"
1209   ;;
1210   --enable-rbd) rbd="yes"
1211   ;;
1212   --disable-xfsctl) xfs="no"
1213   ;;
1214   --enable-xfsctl) xfs="yes"
1215   ;;
1216   --disable-smartcard) smartcard="no"
1217   ;;
1218   --enable-smartcard) smartcard="yes"
1219   ;;
1220   --disable-libusb) libusb="no"
1221   ;;
1222   --enable-libusb) libusb="yes"
1223   ;;
1224   --disable-usb-redir) usb_redir="no"
1225   ;;
1226   --enable-usb-redir) usb_redir="yes"
1227   ;;
1228   --disable-zlib-test) zlib="no"
1229   ;;
1230   --disable-lzo) lzo="no"
1231   ;;
1232   --enable-lzo) lzo="yes"
1233   ;;
1234   --disable-snappy) snappy="no"
1235   ;;
1236   --enable-snappy) snappy="yes"
1237   ;;
1238   --disable-bzip2) bzip2="no"
1239   ;;
1240   --enable-bzip2) bzip2="yes"
1241   ;;
1242   --enable-guest-agent) guest_agent="yes"
1243   ;;
1244   --disable-guest-agent) guest_agent="no"
1245   ;;
1246   --enable-guest-agent-msi) guest_agent_msi="yes"
1247   ;;
1248   --disable-guest-agent-msi) guest_agent_msi="no"
1249   ;;
1250   --with-vss-sdk) vss_win32_sdk=""
1251   ;;
1252   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1253   ;;
1254   --without-vss-sdk) vss_win32_sdk="no"
1255   ;;
1256   --with-win-sdk) win_sdk=""
1257   ;;
1258   --with-win-sdk=*) win_sdk="$optarg"
1259   ;;
1260   --without-win-sdk) win_sdk="no"
1261   ;;
1262   --enable-tools) want_tools="yes"
1263   ;;
1264   --disable-tools) want_tools="no"
1265   ;;
1266   --enable-seccomp) seccomp="yes"
1267   ;;
1268   --disable-seccomp) seccomp="no"
1269   ;;
1270   --disable-glusterfs) glusterfs="no"
1271   ;;
1272   --enable-glusterfs) glusterfs="yes"
1273   ;;
1274   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1275       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1276   ;;
1277   --enable-vhdx|--disable-vhdx)
1278       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1279   ;;
1280   --enable-uuid|--disable-uuid)
1281       echo "$0: $opt is obsolete, UUID support is always built" >&2
1282   ;;
1283   --disable-gtk) gtk="no"
1284   ;;
1285   --enable-gtk) gtk="yes"
1286   ;;
1287   --tls-priority=*) tls_priority="$optarg"
1288   ;;
1289   --disable-gnutls) gnutls="no"
1290   ;;
1291   --enable-gnutls) gnutls="yes"
1292   ;;
1293   --disable-nettle) nettle="no"
1294   ;;
1295   --enable-nettle) nettle="yes"
1296   ;;
1297   --disable-gcrypt) gcrypt="no"
1298   ;;
1299   --enable-gcrypt) gcrypt="yes"
1300   ;;
1301   --enable-rdma) rdma="yes"
1302   ;;
1303   --disable-rdma) rdma="no"
1304   ;;
1305   --with-gtkabi=*) gtkabi="$optarg"
1306   ;;
1307   --disable-vte) vte="no"
1308   ;;
1309   --enable-vte) vte="yes"
1310   ;;
1311   --disable-virglrenderer) virglrenderer="no"
1312   ;;
1313   --enable-virglrenderer) virglrenderer="yes"
1314   ;;
1315   --disable-tpm) tpm="no"
1316   ;;
1317   --enable-tpm) tpm="yes"
1318   ;;
1319   --disable-libssh2) libssh2="no"
1320   ;;
1321   --enable-libssh2) libssh2="yes"
1322   ;;
1323   --disable-live-block-migration) live_block_migration="no"
1324   ;;
1325   --enable-live-block-migration) live_block_migration="yes"
1326   ;;
1327   --disable-numa) numa="no"
1328   ;;
1329   --enable-numa) numa="yes"
1330   ;;
1331   --disable-libxml2) libxml2="no"
1332   ;;
1333   --enable-libxml2) libxml2="yes"
1334   ;;
1335   --disable-tcmalloc) tcmalloc="no"
1336   ;;
1337   --enable-tcmalloc) tcmalloc="yes"
1338   ;;
1339   --disable-jemalloc) jemalloc="no"
1340   ;;
1341   --enable-jemalloc) jemalloc="yes"
1342   ;;
1343   --disable-replication) replication="no"
1344   ;;
1345   --enable-replication) replication="yes"
1346   ;;
1347   --disable-vxhs) vxhs="no"
1348   ;;
1349   --enable-vxhs) vxhs="yes"
1350   ;;
1351   --disable-vhost-user) vhost_user="no"
1352   ;;
1353   --enable-vhost-user)
1354       vhost_user="yes"
1355       if test "$mingw32" = "yes"; then
1356           error_exit "vhost-user isn't available on win32"
1357       fi
1358   ;;
1359   --disable-capstone) capstone="no"
1360   ;;
1361   --enable-capstone) capstone="yes"
1362   ;;
1363   --enable-capstone=git) capstone="git"
1364   ;;
1365   --enable-capstone=system) capstone="system"
1366   ;;
1367   --with-git=*) git="$optarg"
1368   ;;
1369   --enable-git-update) git_update=yes
1370   ;;
1371   --disable-git-update) git_update=no
1372   ;;
1373   *)
1374       echo "ERROR: unknown option $opt"
1375       echo "Try '$0 --help' for more information"
1376       exit 1
1377   ;;
1378   esac
1379 done
1380
1381 if test "$vhost_user" = ""; then
1382     if test "$mingw32" = "yes"; then
1383         vhost_user="no"
1384     else
1385         vhost_user="yes"
1386     fi
1387 fi
1388
1389 case "$cpu" in
1390     ppc)
1391            CPU_CFLAGS="-m32"
1392            LDFLAGS="-m32 $LDFLAGS"
1393            ;;
1394     ppc64)
1395            CPU_CFLAGS="-m64"
1396            LDFLAGS="-m64 $LDFLAGS"
1397            ;;
1398     sparc)
1399            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1400            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1401            ;;
1402     sparc64)
1403            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1404            LDFLAGS="-m64 $LDFLAGS"
1405            ;;
1406     s390)
1407            CPU_CFLAGS="-m31"
1408            LDFLAGS="-m31 $LDFLAGS"
1409            ;;
1410     s390x)
1411            CPU_CFLAGS="-m64"
1412            LDFLAGS="-m64 $LDFLAGS"
1413            ;;
1414     i386)
1415            CPU_CFLAGS="-m32"
1416            LDFLAGS="-m32 $LDFLAGS"
1417            cc_i386='$(CC) -m32'
1418            ;;
1419     x86_64)
1420            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1421            # If we truly care, we should simply detect this case at
1422            # runtime and generate the fallback to serial emulation.
1423            CPU_CFLAGS="-m64 -mcx16"
1424            LDFLAGS="-m64 $LDFLAGS"
1425            cc_i386='$(CC) -m32'
1426            ;;
1427     x32)
1428            CPU_CFLAGS="-mx32"
1429            LDFLAGS="-mx32 $LDFLAGS"
1430            cc_i386='$(CC) -m32'
1431            ;;
1432     # No special flags required for other host CPUs
1433 esac
1434
1435 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1436
1437 # For user-mode emulation the host arch has to be one we explicitly
1438 # support, even if we're using TCI.
1439 if [ "$ARCH" = "unknown" ]; then
1440   bsd_user="no"
1441   linux_user="no"
1442 fi
1443
1444 default_target_list=""
1445
1446 mak_wilds=""
1447
1448 if [ "$softmmu" = "yes" ]; then
1449     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1450 fi
1451 if [ "$linux_user" = "yes" ]; then
1452     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1453 fi
1454 if [ "$bsd_user" = "yes" ]; then
1455     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1456 fi
1457
1458 for config in $mak_wilds; do
1459     default_target_list="${default_target_list} $(basename "$config" .mak)"
1460 done
1461
1462 # Enumerate public trace backends for --help output
1463 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1464
1465 if test x"$show_help" = x"yes" ; then
1466 cat << EOF
1467
1468 Usage: configure [options]
1469 Options: [defaults in brackets after descriptions]
1470
1471 Standard options:
1472   --help                   print this message
1473   --prefix=PREFIX          install in PREFIX [$prefix]
1474   --interp-prefix=PREFIX   where to find shared libraries, etc.
1475                            use %M for cpu name [$interp_prefix]
1476   --target-list=LIST       set target list (default: build everything)
1477 $(echo Available targets: $default_target_list | \
1478   fold -s -w 53 | sed -e 's/^/                           /')
1479
1480 Advanced options (experts only):
1481   --source-path=PATH       path of source code [$source_path]
1482   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1483   --cc=CC                  use C compiler CC [$cc]
1484   --iasl=IASL              use ACPI compiler IASL [$iasl]
1485   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1486                            build time
1487   --cxx=CXX                use C++ compiler CXX [$cxx]
1488   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1489   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1490   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1491   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1492   --make=MAKE              use specified make [$make]
1493   --install=INSTALL        use specified install [$install]
1494   --python=PYTHON          use specified python [$python]
1495   --smbd=SMBD              use specified smbd [$smbd]
1496   --static                 enable static build [$static]
1497   --mandir=PATH            install man pages in PATH
1498   --datadir=PATH           install firmware in PATH$confsuffix
1499   --docdir=PATH            install documentation in PATH$confsuffix
1500   --bindir=PATH            install binaries in PATH
1501   --libdir=PATH            install libraries in PATH
1502   --sysconfdir=PATH        install config in PATH$confsuffix
1503   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1504   --firmwarepath=PATH      search PATH for firmware files
1505   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1506   --enable-debug           enable common debug build options
1507   --enable-sanitizers      enable default sanitizers
1508   --disable-strip          disable stripping binaries
1509   --disable-werror         disable compilation abort on warning
1510   --disable-stack-protector disable compiler-provided stack protection
1511   --audio-drv-list=LIST    set audio drivers list:
1512                            Available drivers: $audio_possible_drivers
1513   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1514   --block-drv-rw-whitelist=L
1515                            set block driver read-write whitelist
1516                            (affects only QEMU, not qemu-img)
1517   --block-drv-ro-whitelist=L
1518                            set block driver read-only whitelist
1519                            (affects only QEMU, not qemu-img)
1520   --enable-trace-backends=B Set trace backend
1521                            Available backends: $trace_backend_list
1522   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1523                            Default:trace-<pid>
1524   --disable-slirp          disable SLIRP userspace network connectivity
1525   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1526   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1527   --oss-lib                path to OSS library
1528   --cpu=CPU                Build for host CPU [$cpu]
1529   --with-coroutine=BACKEND coroutine backend. Supported options:
1530                            ucontext, sigaltstack, windows
1531   --enable-gcov            enable test coverage analysis with gcov
1532   --gcov=GCOV              use specified gcov [$gcov_tool]
1533   --disable-blobs          disable installing provided firmware blobs
1534   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1535   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1536   --tls-priority           default TLS protocol/cipher priority string
1537   --enable-gprof           QEMU profiling with gprof
1538   --enable-profiler        profiler support
1539   --enable-xen-pv-domain-build
1540                            xen pv domain builder
1541   --enable-debug-stack-usage
1542                            track the maximum stack usage of stacks created by qemu_alloc_stack
1543
1544 Optional features, enabled with --enable-FEATURE and
1545 disabled with --disable-FEATURE, default is enabled if available:
1546
1547   system          all system emulation targets
1548   user            supported user emulation targets
1549   linux-user      all linux usermode emulation targets
1550   bsd-user        all BSD usermode emulation targets
1551   docs            build documentation
1552   guest-agent     build the QEMU Guest Agent
1553   guest-agent-msi build guest agent Windows MSI installation package
1554   pie             Position Independent Executables
1555   modules         modules support
1556   debug-tcg       TCG debugging (default is disabled)
1557   debug-info      debugging information
1558   sparse          sparse checker
1559
1560   gnutls          GNUTLS cryptography support
1561   nettle          nettle cryptography support
1562   gcrypt          libgcrypt cryptography support
1563   sdl             SDL UI
1564   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1565   gtk             gtk UI
1566   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1567   vte             vte support for the gtk UI
1568   curses          curses UI
1569   vnc             VNC UI support
1570   vnc-sasl        SASL encryption for VNC server
1571   vnc-jpeg        JPEG lossy compression for VNC server
1572   vnc-png         PNG compression for VNC server
1573   cocoa           Cocoa UI (Mac OS X only)
1574   virtfs          VirtFS
1575   mpath           Multipath persistent reservation passthrough
1576   xen             xen backend driver support
1577   xen-pci-passthrough
1578   brlapi          BrlAPI (Braile)
1579   curl            curl connectivity
1580   fdt             fdt device tree
1581   bluez           bluez stack connectivity
1582   kvm             KVM acceleration support
1583   hax             HAX acceleration support
1584   hvf             Hypervisor.framework acceleration support
1585   whpx            Windows Hypervisor Platform acceleration support
1586   rdma            Enable RDMA-based migration and PVRDMA support
1587   vde             support for vde network
1588   netmap          support for netmap network
1589   linux-aio       Linux AIO support
1590   cap-ng          libcap-ng support
1591   attr            attr and xattr support
1592   vhost-net       vhost-net acceleration support
1593   vhost-crypto    vhost-crypto acceleration support
1594   spice           spice
1595   rbd             rados block device (rbd)
1596   libiscsi        iscsi support
1597   libnfs          nfs support
1598   smartcard       smartcard support (libcacard)
1599   libusb          libusb (for usb passthrough)
1600   live-block-migration   Block migration in the main migration stream
1601   usb-redir       usb network redirection support
1602   lzo             support of lzo compression library
1603   snappy          support of snappy compression library
1604   bzip2           support of bzip2 compression library
1605                   (for reading bzip2-compressed dmg images)
1606   seccomp         seccomp support
1607   coroutine-pool  coroutine freelist (better performance)
1608   glusterfs       GlusterFS backend
1609   tpm             TPM support
1610   libssh2         ssh block device support
1611   numa            libnuma support
1612   libxml2         for Parallels image format
1613   tcmalloc        tcmalloc support
1614   jemalloc        jemalloc support
1615   replication     replication support
1616   vhost-vsock     virtio sockets device support
1617   opengl          opengl support
1618   virglrenderer   virgl rendering support
1619   xfsctl          xfsctl support
1620   qom-cast-debug  cast debugging support
1621   tools           build qemu-io, qemu-nbd and qemu-image tools
1622   vxhs            Veritas HyperScale vDisk backend support
1623   crypto-afalg    Linux AF_ALG crypto backend driver
1624   vhost-user      vhost-user support
1625   capstone        capstone disassembler support
1626
1627 NOTE: The object files are built at the place where configure is launched
1628 EOF
1629 exit 0
1630 fi
1631
1632 if ! has $python; then
1633   error_exit "Python not found. Use --python=/path/to/python"
1634 fi
1635
1636 # Note that if the Python conditional here evaluates True we will exit
1637 # with status 1 which is a shell 'false' value.
1638 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6))'; then
1639   error_exit "Cannot use '$python', Python 2 >= 2.6 or Python 3 is required." \
1640       "Use --python=/path/to/python to specify a supported Python."
1641 fi
1642
1643 # Suppress writing compiled files
1644 python="$python -B"
1645
1646 # Check that the C compiler works. Doing this here before testing
1647 # the host CPU ensures that we had a valid CC to autodetect the
1648 # $cpu var (and we should bail right here if that's not the case).
1649 # It also allows the help message to be printed without a CC.
1650 write_c_skeleton;
1651 if compile_object ; then
1652   : C compiler works ok
1653 else
1654     error_exit "\"$cc\" either does not exist or does not work"
1655 fi
1656 if ! compile_prog ; then
1657     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1658 fi
1659
1660 # Now we have handled --enable-tcg-interpreter and know we're not just
1661 # printing the help message, bail out if the host CPU isn't supported.
1662 if test "$ARCH" = "unknown"; then
1663     if test "$tcg_interpreter" = "yes" ; then
1664         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1665     else
1666         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1667     fi
1668 fi
1669
1670 # Consult white-list to determine whether to enable werror
1671 # by default.  Only enable by default for git builds
1672 if test -z "$werror" ; then
1673     if test -d "$source_path/.git" -a \
1674         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1675         werror="yes"
1676     else
1677         werror="no"
1678     fi
1679 fi
1680
1681 if test "$bogus_os" = "yes"; then
1682     # Now that we know that we're not printing the help and that
1683     # the compiler works (so the results of the check_defines we used
1684     # to identify the OS are reliable), if we didn't recognize the
1685     # host OS we should stop now.
1686     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1687 fi
1688
1689 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1690 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1691 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1692 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1693 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1694 gcc_flags="-Wno-string-plus-int $gcc_flags"
1695 gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
1696 # Note that we do not add -Werror to gcc_flags here, because that would
1697 # enable it for all configure tests. If a configure test failed due
1698 # to -Werror this would just silently disable some features,
1699 # so it's too error prone.
1700
1701 cc_has_warning_flag() {
1702     write_c_skeleton;
1703
1704     # Use the positive sense of the flag when testing for -Wno-wombat
1705     # support (gcc will happily accept the -Wno- form of unknown
1706     # warning options).
1707     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1708     compile_prog "-Werror $optflag" ""
1709 }
1710
1711 for flag in $gcc_flags; do
1712     if cc_has_warning_flag $flag ; then
1713         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1714     fi
1715 done
1716
1717 if test "$stack_protector" != "no"; then
1718   cat > $TMPC << EOF
1719 int main(int argc, char *argv[])
1720 {
1721     char arr[64], *p = arr, *c = argv[0];
1722     while (*c) {
1723         *p++ = *c++;
1724     }
1725     return 0;
1726 }
1727 EOF
1728   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1729   sp_on=0
1730   for flag in $gcc_flags; do
1731     # We need to check both a compile and a link, since some compiler
1732     # setups fail only on a .c->.o compile and some only at link time
1733     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1734        compile_prog "-Werror $flag" ""; then
1735       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1736       sp_on=1
1737       break
1738     fi
1739   done
1740   if test "$stack_protector" = yes; then
1741     if test $sp_on = 0; then
1742       error_exit "Stack protector not supported"
1743     fi
1744   fi
1745 fi
1746
1747 # Disable -Wmissing-braces on older compilers that warn even for
1748 # the "universal" C zero initializer {0}.
1749 cat > $TMPC << EOF
1750 struct {
1751   int a[2];
1752 } x = {0};
1753 EOF
1754 if compile_object "-Werror" "" ; then
1755   :
1756 else
1757   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1758 fi
1759
1760 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1761 # large functions that use global variables.  The bug is in all releases of
1762 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1763 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1764 cat > $TMPC << EOF
1765 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1766 int main(void) { return 0; }
1767 #else
1768 #error No bug in this compiler.
1769 #endif
1770 EOF
1771 if compile_prog "-Werror -fno-gcse" "" ; then
1772   TRANSLATE_OPT_CFLAGS=-fno-gcse
1773 fi
1774
1775 if test "$static" = "yes" ; then
1776   if test "$modules" = "yes" ; then
1777     error_exit "static and modules are mutually incompatible"
1778   fi
1779   if test "$pie" = "yes" ; then
1780     error_exit "static and pie are mutually incompatible"
1781   else
1782     pie="no"
1783   fi
1784 fi
1785
1786 # Unconditional check for compiler __thread support
1787   cat > $TMPC << EOF
1788 static __thread int tls_var;
1789 int main(void) { return tls_var; }
1790 EOF
1791
1792 if ! compile_prog "-Werror" "" ; then
1793     error_exit "Your compiler does not support the __thread specifier for " \
1794         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1795 fi
1796
1797 if test "$pie" = ""; then
1798   case "$cpu-$targetos" in
1799     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1800       ;;
1801     *)
1802       pie="no"
1803       ;;
1804   esac
1805 fi
1806
1807 if test "$pie" != "no" ; then
1808   cat > $TMPC << EOF
1809
1810 #ifdef __linux__
1811 #  define THREAD __thread
1812 #else
1813 #  define THREAD
1814 #endif
1815
1816 static THREAD int tls_var;
1817
1818 int main(void) { return tls_var; }
1819
1820 EOF
1821   if compile_prog "-fPIE -DPIE" "-pie"; then
1822     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1823     LDFLAGS="-pie $LDFLAGS"
1824     pie="yes"
1825     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1826       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1827     fi
1828   else
1829     if test "$pie" = "yes"; then
1830       error_exit "PIE not available due to missing toolchain support"
1831     else
1832       echo "Disabling PIE due to missing toolchain support"
1833       pie="no"
1834     fi
1835   fi
1836
1837   if compile_prog "-Werror -fno-pie" "-nopie"; then
1838     CFLAGS_NOPIE="-fno-pie"
1839     LDFLAGS_NOPIE="-nopie"
1840   fi
1841 fi
1842
1843 ##########################################
1844 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1845 # use i686 as default anyway, but for those that don't, an explicit
1846 # specification is necessary
1847
1848 if test "$cpu" = "i386"; then
1849   cat > $TMPC << EOF
1850 static int sfaa(int *ptr)
1851 {
1852   return __sync_fetch_and_and(ptr, 0);
1853 }
1854
1855 int main(void)
1856 {
1857   int val = 42;
1858   val = __sync_val_compare_and_swap(&val, 0, 1);
1859   sfaa(&val);
1860   return val;
1861 }
1862 EOF
1863   if ! compile_prog "" "" ; then
1864     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1865   fi
1866 fi
1867
1868 #########################################
1869 # Solaris specific configure tool chain decisions
1870
1871 if test "$solaris" = "yes" ; then
1872   if has $install; then
1873     :
1874   else
1875     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1876         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1877         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1878   fi
1879   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1880     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1881         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1882         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1883   fi
1884   if has ar; then
1885     :
1886   else
1887     if test -f /usr/ccs/bin/ar ; then
1888       error_exit "No path includes ar" \
1889           "Add /usr/ccs/bin to your path and rerun configure"
1890     fi
1891     error_exit "No path includes ar"
1892   fi
1893 fi
1894
1895 if test -z "${target_list+xxx}" ; then
1896     for target in $default_target_list; do
1897         supported_target $target 2>/dev/null && \
1898             target_list="$target_list $target"
1899     done
1900     target_list="${target_list# }"
1901 else
1902     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1903     for target in $target_list; do
1904         # Check that we recognised the target name; this allows a more
1905         # friendly error message than if we let it fall through.
1906         case " $default_target_list " in
1907             *" $target "*)
1908                 ;;
1909             *)
1910                 error_exit "Unknown target name '$target'"
1911                 ;;
1912         esac
1913         supported_target $target || exit 1
1914     done
1915 fi
1916
1917 # see if system emulation was really requested
1918 case " $target_list " in
1919   *"-softmmu "*) softmmu=yes
1920   ;;
1921   *) softmmu=no
1922   ;;
1923 esac
1924
1925 feature_not_found() {
1926   feature=$1
1927   remedy=$2
1928
1929   error_exit "User requested feature $feature" \
1930       "configure was not able to find it." \
1931       "$remedy"
1932 }
1933
1934 # ---
1935 # big/little endian test
1936 cat > $TMPC << EOF
1937 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1938 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1939 extern int foo(short *, short *);
1940 int main(int argc, char *argv[]) {
1941     return foo(big_endian, little_endian);
1942 }
1943 EOF
1944
1945 if compile_object ; then
1946     if strings -a $TMPO | grep -q BiGeNdIaN ; then
1947         bigendian="yes"
1948     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
1949         bigendian="no"
1950     else
1951         echo big/little test failed
1952     fi
1953 else
1954     echo big/little test failed
1955 fi
1956
1957 ##########################################
1958 # cocoa implies not SDL or GTK
1959 # (the cocoa UI code currently assumes it is always the active UI
1960 # and doesn't interact well with other UI frontend code)
1961 if test "$cocoa" = "yes"; then
1962     if test "$sdl" = "yes"; then
1963         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1964     fi
1965     if test "$gtk" = "yes"; then
1966         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1967     fi
1968     gtk=no
1969     sdl=no
1970 fi
1971
1972 # Some versions of Mac OS X incorrectly define SIZE_MAX
1973 cat > $TMPC << EOF
1974 #include <stdint.h>
1975 #include <stdio.h>
1976 int main(int argc, char *argv[]) {
1977     return printf("%zu", SIZE_MAX);
1978 }
1979 EOF
1980 have_broken_size_max=no
1981 if ! compile_object -Werror ; then
1982     have_broken_size_max=yes
1983 fi
1984
1985 ##########################################
1986 # L2TPV3 probe
1987
1988 cat > $TMPC <<EOF
1989 #include <sys/socket.h>
1990 #include <linux/ip.h>
1991 int main(void) { return sizeof(struct mmsghdr); }
1992 EOF
1993 if compile_prog "" "" ; then
1994   l2tpv3=yes
1995 else
1996   l2tpv3=no
1997 fi
1998
1999 ##########################################
2000 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2001
2002 if test "$mingw32" = "yes"; then
2003     # Some versions of MinGW / Mingw-w64 lack localtime_r
2004     # and gmtime_r entirely.
2005     #
2006     # Some versions of Mingw-w64 define a macro for
2007     # localtime_r/gmtime_r.
2008     #
2009     # Some versions of Mingw-w64 will define functions
2010     # for localtime_r/gmtime_r, but only if you have
2011     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2012     # though, unistd.h and pthread.h both define
2013     # that for you.
2014     #
2015     # So this #undef localtime_r and #include <unistd.h>
2016     # are not in fact redundant.
2017 cat > $TMPC << EOF
2018 #include <unistd.h>
2019 #include <time.h>
2020 #undef localtime_r
2021 int main(void) { localtime_r(NULL, NULL); return 0; }
2022 EOF
2023     if compile_prog "" "" ; then
2024         localtime_r="yes"
2025     else
2026         localtime_r="no"
2027     fi
2028 fi
2029
2030 ##########################################
2031 # pkg-config probe
2032
2033 if ! has "$pkg_config_exe"; then
2034   error_exit "pkg-config binary '$pkg_config_exe' not found"
2035 fi
2036
2037 ##########################################
2038 # NPTL probe
2039
2040 if test "$linux_user" = "yes"; then
2041   cat > $TMPC <<EOF
2042 #include <sched.h>
2043 #include <linux/futex.h>
2044 int main(void) {
2045 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2046 #error bork
2047 #endif
2048   return 0;
2049 }
2050 EOF
2051   if ! compile_object ; then
2052     feature_not_found "nptl" "Install glibc and linux kernel headers."
2053   fi
2054 fi
2055
2056 #########################################
2057 # zlib check
2058
2059 if test "$zlib" != "no" ; then
2060     cat > $TMPC << EOF
2061 #include <zlib.h>
2062 int main(void) { zlibVersion(); return 0; }
2063 EOF
2064     if compile_prog "" "-lz" ; then
2065         :
2066     else
2067         error_exit "zlib check failed" \
2068             "Make sure to have the zlib libs and headers installed."
2069     fi
2070 fi
2071 LIBS="$LIBS -lz"
2072
2073 ##########################################
2074 # lzo check
2075
2076 if test "$lzo" != "no" ; then
2077     cat > $TMPC << EOF
2078 #include <lzo/lzo1x.h>
2079 int main(void) { lzo_version(); return 0; }
2080 EOF
2081     if compile_prog "" "-llzo2" ; then
2082         libs_softmmu="$libs_softmmu -llzo2"
2083         lzo="yes"
2084     else
2085         if test "$lzo" = "yes"; then
2086             feature_not_found "liblzo2" "Install liblzo2 devel"
2087         fi
2088         lzo="no"
2089     fi
2090 fi
2091
2092 ##########################################
2093 # snappy check
2094
2095 if test "$snappy" != "no" ; then
2096     cat > $TMPC << EOF
2097 #include <snappy-c.h>
2098 int main(void) { snappy_max_compressed_length(4096); return 0; }
2099 EOF
2100     if compile_prog "" "-lsnappy" ; then
2101         libs_softmmu="$libs_softmmu -lsnappy"
2102         snappy="yes"
2103     else
2104         if test "$snappy" = "yes"; then
2105             feature_not_found "libsnappy" "Install libsnappy devel"
2106         fi
2107         snappy="no"
2108     fi
2109 fi
2110
2111 ##########################################
2112 # bzip2 check
2113
2114 if test "$bzip2" != "no" ; then
2115     cat > $TMPC << EOF
2116 #include <bzlib.h>
2117 int main(void) { BZ2_bzlibVersion(); return 0; }
2118 EOF
2119     if compile_prog "" "-lbz2" ; then
2120         bzip2="yes"
2121     else
2122         if test "$bzip2" = "yes"; then
2123             feature_not_found "libbzip2" "Install libbzip2 devel"
2124         fi
2125         bzip2="no"
2126     fi
2127 fi
2128
2129 ##########################################
2130 # libseccomp check
2131
2132 if test "$seccomp" != "no" ; then
2133     case "$cpu" in
2134     i386|x86_64)
2135         libseccomp_minver="2.1.0"
2136         ;;
2137     mips)
2138         libseccomp_minver="2.2.0"
2139         ;;
2140     arm|aarch64)
2141         libseccomp_minver="2.2.3"
2142         ;;
2143     ppc|ppc64|s390x)
2144         libseccomp_minver="2.3.0"
2145         ;;
2146     *)
2147         libseccomp_minver=""
2148         ;;
2149     esac
2150
2151     if test "$libseccomp_minver" != "" &&
2152        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2153         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2154         seccomp_libs="$($pkg_config --libs libseccomp)"
2155         seccomp="yes"
2156     else
2157         if test "$seccomp" = "yes" ; then
2158             if test "$libseccomp_minver" != "" ; then
2159                 feature_not_found "libseccomp" \
2160                     "Install libseccomp devel >= $libseccomp_minver"
2161             else
2162                 feature_not_found "libseccomp" \
2163                     "libseccomp is not supported for host cpu $cpu"
2164             fi
2165         fi
2166         seccomp="no"
2167     fi
2168 fi
2169 ##########################################
2170 # xen probe
2171
2172 if test "$xen" != "no" ; then
2173   # Check whether Xen library path is specified via --extra-ldflags to avoid
2174   # overriding this setting with pkg-config output. If not, try pkg-config
2175   # to obtain all needed flags.
2176
2177   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2178      $pkg_config --exists xencontrol ; then
2179     xen_ctrl_version="$(printf '%d%02d%02d' \
2180       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2181     xen=yes
2182     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2183     xen_pc="$xen_pc xenevtchn xendevicemodel"
2184     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2185     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2186     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2187   else
2188
2189     xen_libs="-lxenstore -lxenctrl -lxenguest"
2190     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2191
2192     # First we test whether Xen headers and libraries are available.
2193     # If no, we are done and there is no Xen support.
2194     # If yes, more tests are run to detect the Xen version.
2195
2196     # Xen (any)
2197     cat > $TMPC <<EOF
2198 #include <xenctrl.h>
2199 int main(void) {
2200   return 0;
2201 }
2202 EOF
2203     if ! compile_prog "" "$xen_libs" ; then
2204       # Xen not found
2205       if test "$xen" = "yes" ; then
2206         feature_not_found "xen" "Install xen devel"
2207       fi
2208       xen=no
2209
2210     # Xen unstable
2211     elif
2212         cat > $TMPC <<EOF &&
2213 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2214 #include <xenforeignmemory.h>
2215 int main(void) {
2216   xenforeignmemory_handle *xfmem;
2217
2218   xfmem = xenforeignmemory_open(0, 0);
2219   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2220
2221   return 0;
2222 }
2223 EOF
2224         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2225       then
2226       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2227       xen_ctrl_version=41000
2228       xen=yes
2229     elif
2230         cat > $TMPC <<EOF &&
2231 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2232 #define __XEN_TOOLS__
2233 #include <xendevicemodel.h>
2234 int main(void) {
2235   xendevicemodel_handle *xd;
2236
2237   xd = xendevicemodel_open(0, 0);
2238   xendevicemodel_close(xd);
2239
2240   return 0;
2241 }
2242 EOF
2243         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2244       then
2245       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2246       xen_ctrl_version=40900
2247       xen=yes
2248     elif
2249         cat > $TMPC <<EOF &&
2250 /*
2251  * If we have stable libs the we don't want the libxc compat
2252  * layers, regardless of what CFLAGS we may have been given.
2253  *
2254  * Also, check if xengnttab_grant_copy_segment_t is defined and
2255  * grant copy operation is implemented.
2256  */
2257 #undef XC_WANT_COMPAT_EVTCHN_API
2258 #undef XC_WANT_COMPAT_GNTTAB_API
2259 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2260 #include <xenctrl.h>
2261 #include <xenstore.h>
2262 #include <xenevtchn.h>
2263 #include <xengnttab.h>
2264 #include <xenforeignmemory.h>
2265 #include <stdint.h>
2266 #include <xen/hvm/hvm_info_table.h>
2267 #if !defined(HVM_MAX_VCPUS)
2268 # error HVM_MAX_VCPUS not defined
2269 #endif
2270 int main(void) {
2271   xc_interface *xc = NULL;
2272   xenforeignmemory_handle *xfmem;
2273   xenevtchn_handle *xe;
2274   xengnttab_handle *xg;
2275   xen_domain_handle_t handle;
2276   xengnttab_grant_copy_segment_t* seg = NULL;
2277
2278   xs_daemon_open();
2279
2280   xc = xc_interface_open(0, 0, 0);
2281   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2282   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2283   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2284   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2285   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2286
2287   xfmem = xenforeignmemory_open(0, 0);
2288   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2289
2290   xe = xenevtchn_open(0, 0);
2291   xenevtchn_fd(xe);
2292
2293   xg = xengnttab_open(0, 0);
2294   xengnttab_grant_copy(xg, 0, seg);
2295
2296   return 0;
2297 }
2298 EOF
2299         compile_prog "" "$xen_libs $xen_stable_libs"
2300       then
2301       xen_ctrl_version=40800
2302       xen=yes
2303     elif
2304         cat > $TMPC <<EOF &&
2305 /*
2306  * If we have stable libs the we don't want the libxc compat
2307  * layers, regardless of what CFLAGS we may have been given.
2308  */
2309 #undef XC_WANT_COMPAT_EVTCHN_API
2310 #undef XC_WANT_COMPAT_GNTTAB_API
2311 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2312 #include <xenctrl.h>
2313 #include <xenstore.h>
2314 #include <xenevtchn.h>
2315 #include <xengnttab.h>
2316 #include <xenforeignmemory.h>
2317 #include <stdint.h>
2318 #include <xen/hvm/hvm_info_table.h>
2319 #if !defined(HVM_MAX_VCPUS)
2320 # error HVM_MAX_VCPUS not defined
2321 #endif
2322 int main(void) {
2323   xc_interface *xc = NULL;
2324   xenforeignmemory_handle *xfmem;
2325   xenevtchn_handle *xe;
2326   xengnttab_handle *xg;
2327   xen_domain_handle_t handle;
2328
2329   xs_daemon_open();
2330
2331   xc = xc_interface_open(0, 0, 0);
2332   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2333   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2334   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2335   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2336   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2337
2338   xfmem = xenforeignmemory_open(0, 0);
2339   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2340
2341   xe = xenevtchn_open(0, 0);
2342   xenevtchn_fd(xe);
2343
2344   xg = xengnttab_open(0, 0);
2345   xengnttab_map_grant_ref(xg, 0, 0, 0);
2346
2347   return 0;
2348 }
2349 EOF
2350         compile_prog "" "$xen_libs $xen_stable_libs"
2351       then
2352       xen_ctrl_version=40701
2353       xen=yes
2354     elif
2355         cat > $TMPC <<EOF &&
2356 #include <xenctrl.h>
2357 #include <stdint.h>
2358 int main(void) {
2359   xc_interface *xc = NULL;
2360   xen_domain_handle_t handle;
2361   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2362   return 0;
2363 }
2364 EOF
2365         compile_prog "" "$xen_libs"
2366       then
2367       xen_ctrl_version=40700
2368       xen=yes
2369
2370     # Xen 4.6
2371     elif
2372         cat > $TMPC <<EOF &&
2373 #include <xenctrl.h>
2374 #include <xenstore.h>
2375 #include <stdint.h>
2376 #include <xen/hvm/hvm_info_table.h>
2377 #if !defined(HVM_MAX_VCPUS)
2378 # error HVM_MAX_VCPUS not defined
2379 #endif
2380 int main(void) {
2381   xc_interface *xc;
2382   xs_daemon_open();
2383   xc = xc_interface_open(0, 0, 0);
2384   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2385   xc_gnttab_open(NULL, 0);
2386   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2387   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2388   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2389   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2390   return 0;
2391 }
2392 EOF
2393         compile_prog "" "$xen_libs"
2394       then
2395       xen_ctrl_version=40600
2396       xen=yes
2397
2398     # Xen 4.5
2399     elif
2400         cat > $TMPC <<EOF &&
2401 #include <xenctrl.h>
2402 #include <xenstore.h>
2403 #include <stdint.h>
2404 #include <xen/hvm/hvm_info_table.h>
2405 #if !defined(HVM_MAX_VCPUS)
2406 # error HVM_MAX_VCPUS not defined
2407 #endif
2408 int main(void) {
2409   xc_interface *xc;
2410   xs_daemon_open();
2411   xc = xc_interface_open(0, 0, 0);
2412   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2413   xc_gnttab_open(NULL, 0);
2414   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2415   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2416   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2417   return 0;
2418 }
2419 EOF
2420         compile_prog "" "$xen_libs"
2421       then
2422       xen_ctrl_version=40500
2423       xen=yes
2424
2425     elif
2426         cat > $TMPC <<EOF &&
2427 #include <xenctrl.h>
2428 #include <xenstore.h>
2429 #include <stdint.h>
2430 #include <xen/hvm/hvm_info_table.h>
2431 #if !defined(HVM_MAX_VCPUS)
2432 # error HVM_MAX_VCPUS not defined
2433 #endif
2434 int main(void) {
2435   xc_interface *xc;
2436   xs_daemon_open();
2437   xc = xc_interface_open(0, 0, 0);
2438   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2439   xc_gnttab_open(NULL, 0);
2440   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2441   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2442   return 0;
2443 }
2444 EOF
2445         compile_prog "" "$xen_libs"
2446       then
2447       xen_ctrl_version=40200
2448       xen=yes
2449
2450     else
2451       if test "$xen" = "yes" ; then
2452         feature_not_found "xen (unsupported version)" \
2453                           "Install a supported xen (xen 4.2 or newer)"
2454       fi
2455       xen=no
2456     fi
2457
2458     if test "$xen" = yes; then
2459       if test $xen_ctrl_version -ge 40701  ; then
2460         libs_softmmu="$xen_stable_libs $libs_softmmu"
2461       fi
2462       libs_softmmu="$xen_libs $libs_softmmu"
2463     fi
2464   fi
2465 fi
2466
2467 if test "$xen_pci_passthrough" != "no"; then
2468   if test "$xen" = "yes" && test "$linux" = "yes"; then
2469     xen_pci_passthrough=yes
2470   else
2471     if test "$xen_pci_passthrough" = "yes"; then
2472       error_exit "User requested feature Xen PCI Passthrough" \
2473           " but this feature requires /sys from Linux"
2474     fi
2475     xen_pci_passthrough=no
2476   fi
2477 fi
2478
2479 if test "$xen_pv_domain_build" = "yes" &&
2480    test "$xen" != "yes"; then
2481     error_exit "User requested Xen PV domain builder support" \
2482                "which requires Xen support."
2483 fi
2484
2485 ##########################################
2486 # Windows Hypervisor Platform accelerator (WHPX) check
2487 if test "$whpx" != "no" ; then
2488     cat > $TMPC << EOF
2489 #include <windows.h>
2490 #include <WinHvPlatform.h>
2491 #include <WinHvEmulation.h>
2492 int main(void) {
2493     WHV_CAPABILITY whpx_cap;
2494     WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap));
2495     return 0;
2496 }
2497 EOF
2498     if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then
2499         libs_softmmu="$libs_softmmu -lWinHvPlatform -lWinHvEmulation"
2500         whpx="yes"
2501     else
2502         if test "$whpx" = "yes"; then
2503             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2504         fi
2505         whpx="no"
2506     fi
2507 fi
2508
2509 ##########################################
2510 # Sparse probe
2511 if test "$sparse" != "no" ; then
2512   if has cgcc; then
2513     sparse=yes
2514   else
2515     if test "$sparse" = "yes" ; then
2516       feature_not_found "sparse" "Install sparse binary"
2517     fi
2518     sparse=no
2519   fi
2520 fi
2521
2522 ##########################################
2523 # X11 probe
2524 if $pkg_config --exists "x11"; then
2525     have_x11=yes
2526     x11_cflags=$($pkg_config --cflags x11)
2527     x11_libs=$($pkg_config --libs x11)
2528 fi
2529
2530 ##########################################
2531 # GTK probe
2532
2533 if test "$gtkabi" = ""; then
2534     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2535     # Use 2.0 as a fallback if that is available.
2536     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2537         gtkabi=3.0
2538     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2539         gtkabi=2.0
2540     else
2541         gtkabi=3.0
2542     fi
2543 fi
2544
2545 if test "$gtk" != "no"; then
2546     gtkpackage="gtk+-$gtkabi"
2547     gtkx11package="gtk+-x11-$gtkabi"
2548     if test "$gtkabi" = "3.0" ; then
2549       gtkversion="3.0.0"
2550     else
2551       gtkversion="2.18.0"
2552     fi
2553     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2554         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2555         gtk_libs=$($pkg_config --libs $gtkpackage)
2556         gtk_version=$($pkg_config --modversion $gtkpackage)
2557         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2558             need_x11=yes
2559             gtk_cflags="$gtk_cflags $x11_cflags"
2560             gtk_libs="$gtk_libs $x11_libs"
2561         fi
2562         gtk="yes"
2563     elif test "$gtk" = "yes"; then
2564         feature_not_found "gtk" "Install gtk3-devel"
2565     else
2566         gtk="no"
2567     fi
2568 fi
2569
2570
2571 ##########################################
2572 # GNUTLS probe
2573
2574 gnutls_works() {
2575     # Unfortunately some distros have bad pkg-config information for gnutls
2576     # such that it claims to exist but you get a compiler error if you try
2577     # to use the options returned by --libs. Specifically, Ubuntu for --static
2578     # builds doesn't work:
2579     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2580     #
2581     # So sanity check the cflags/libs before assuming gnutls can be used.
2582     if ! $pkg_config --exists "gnutls"; then
2583         return 1
2584     fi
2585
2586     write_c_skeleton
2587     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2588 }
2589
2590 gnutls_gcrypt=no
2591 gnutls_nettle=no
2592 if test "$gnutls" != "no"; then
2593     if gnutls_works; then
2594         gnutls_cflags=$($pkg_config --cflags gnutls)
2595         gnutls_libs=$($pkg_config --libs gnutls)
2596         libs_softmmu="$gnutls_libs $libs_softmmu"
2597         libs_tools="$gnutls_libs $libs_tools"
2598         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2599         gnutls="yes"
2600
2601         # gnutls_rnd requires >= 2.11.0
2602         if $pkg_config --exists "gnutls >= 2.11.0"; then
2603             gnutls_rnd="yes"
2604         else
2605             gnutls_rnd="no"
2606         fi
2607
2608         if $pkg_config --exists 'gnutls >= 3.0'; then
2609             gnutls_gcrypt=no
2610             gnutls_nettle=yes
2611         elif $pkg_config --exists 'gnutls >= 2.12'; then
2612             case $($pkg_config --libs --static gnutls) in
2613                 *gcrypt*)
2614                     gnutls_gcrypt=yes
2615                     gnutls_nettle=no
2616                     ;;
2617                 *nettle*)
2618                     gnutls_gcrypt=no
2619                     gnutls_nettle=yes
2620                     ;;
2621                 *)
2622                     gnutls_gcrypt=yes
2623                     gnutls_nettle=no
2624                     ;;
2625             esac
2626         else
2627             gnutls_gcrypt=yes
2628             gnutls_nettle=no
2629         fi
2630     elif test "$gnutls" = "yes"; then
2631         feature_not_found "gnutls" "Install gnutls devel"
2632     else
2633         gnutls="no"
2634         gnutls_rnd="no"
2635     fi
2636 else
2637     gnutls_rnd="no"
2638 fi
2639
2640
2641 # If user didn't give a --disable/enable-gcrypt flag,
2642 # then mark as disabled if user requested nettle
2643 # explicitly, or if gnutls links to nettle
2644 if test -z "$gcrypt"
2645 then
2646     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2647     then
2648         gcrypt="no"
2649     fi
2650 fi
2651
2652 # If user didn't give a --disable/enable-nettle flag,
2653 # then mark as disabled if user requested gcrypt
2654 # explicitly, or if gnutls links to gcrypt
2655 if test -z "$nettle"
2656 then
2657     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2658     then
2659         nettle="no"
2660     fi
2661 fi
2662
2663 has_libgcrypt_config() {
2664     if ! has "libgcrypt-config"
2665     then
2666         return 1
2667     fi
2668
2669     if test -n "$cross_prefix"
2670     then
2671         host=$(libgcrypt-config --host)
2672         if test "$host-" != $cross_prefix
2673         then
2674             return 1
2675         fi
2676     fi
2677
2678     return 0
2679 }
2680
2681 if test "$gcrypt" != "no"; then
2682     if has_libgcrypt_config; then
2683         gcrypt_cflags=$(libgcrypt-config --cflags)
2684         gcrypt_libs=$(libgcrypt-config --libs)
2685         # Debian has remove -lgpg-error from libgcrypt-config
2686         # as it "spreads unnecessary dependencies" which in
2687         # turn breaks static builds...
2688         if test "$static" = "yes"
2689         then
2690             gcrypt_libs="$gcrypt_libs -lgpg-error"
2691         fi
2692         libs_softmmu="$gcrypt_libs $libs_softmmu"
2693         libs_tools="$gcrypt_libs $libs_tools"
2694         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2695         gcrypt="yes"
2696         if test -z "$nettle"; then
2697            nettle="no"
2698         fi
2699
2700         cat > $TMPC << EOF
2701 #include <gcrypt.h>
2702 int main(void) {
2703   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2704                   GCRY_MD_SHA256,
2705                   NULL, 0, 0, 0, NULL);
2706  return 0;
2707 }
2708 EOF
2709         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2710             gcrypt_kdf=yes
2711         fi
2712
2713         cat > $TMPC << EOF
2714 #include <gcrypt.h>
2715 int main(void) {
2716   gcry_mac_hd_t handle;
2717   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2718                 GCRY_MAC_FLAG_SECURE, NULL);
2719   return 0;
2720 }
2721 EOF
2722         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2723             gcrypt_hmac=yes
2724         fi
2725     else
2726         if test "$gcrypt" = "yes"; then
2727             feature_not_found "gcrypt" "Install gcrypt devel"
2728         else
2729             gcrypt="no"
2730         fi
2731     fi
2732 fi
2733
2734
2735 if test "$nettle" != "no"; then
2736     if $pkg_config --exists "nettle"; then
2737         nettle_cflags=$($pkg_config --cflags nettle)
2738         nettle_libs=$($pkg_config --libs nettle)
2739         nettle_version=$($pkg_config --modversion nettle)
2740         libs_softmmu="$nettle_libs $libs_softmmu"
2741         libs_tools="$nettle_libs $libs_tools"
2742         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2743         nettle="yes"
2744
2745         cat > $TMPC << EOF
2746 #include <stddef.h>
2747 #include <nettle/pbkdf2.h>
2748 int main(void) {
2749      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2750      return 0;
2751 }
2752 EOF
2753         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2754             nettle_kdf=yes
2755         fi
2756     else
2757         if test "$nettle" = "yes"; then
2758             feature_not_found "nettle" "Install nettle devel"
2759         else
2760             nettle="no"
2761         fi
2762     fi
2763 fi
2764
2765 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2766 then
2767     error_exit "Only one of gcrypt & nettle can be enabled"
2768 fi
2769
2770 ##########################################
2771 # libtasn1 - only for the TLS creds/session test suite
2772
2773 tasn1=yes
2774 tasn1_cflags=""
2775 tasn1_libs=""
2776 if $pkg_config --exists "libtasn1"; then
2777     tasn1_cflags=$($pkg_config --cflags libtasn1)
2778     tasn1_libs=$($pkg_config --libs libtasn1)
2779 else
2780     tasn1=no
2781 fi
2782
2783
2784 ##########################################
2785 # getifaddrs (for tests/test-io-channel-socket )
2786
2787 have_ifaddrs_h=yes
2788 if ! check_include "ifaddrs.h" ; then
2789   have_ifaddrs_h=no
2790 fi
2791
2792 ##########################################
2793 # VTE probe
2794
2795 if test "$vte" != "no"; then
2796     if test "$gtkabi" = "3.0"; then
2797       vteminversion="0.32.0"
2798       if $pkg_config --exists "vte-2.91"; then
2799         vtepackage="vte-2.91"
2800       else
2801         vtepackage="vte-2.90"
2802       fi
2803     else
2804       vtepackage="vte"
2805       vteminversion="0.24.0"
2806     fi
2807     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2808         vte_cflags=$($pkg_config --cflags $vtepackage)
2809         vte_libs=$($pkg_config --libs $vtepackage)
2810         vteversion=$($pkg_config --modversion $vtepackage)
2811         vte="yes"
2812     elif test "$vte" = "yes"; then
2813         if test "$gtkabi" = "3.0"; then
2814             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2815         else
2816             feature_not_found "vte" "Install libvte devel"
2817         fi
2818     else
2819         vte="no"
2820     fi
2821 fi
2822
2823 ##########################################
2824 # SDL probe
2825
2826 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2827 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2828
2829 if test "$sdlabi" = ""; then
2830     if $pkg_config --exists "sdl2"; then
2831         sdlabi=2.0
2832     elif $pkg_config --exists "sdl"; then
2833         sdlabi=1.2
2834     else
2835         sdlabi=2.0
2836     fi
2837 fi
2838
2839 if test $sdlabi = "2.0"; then
2840     sdl_config=$sdl2_config
2841     sdlname=sdl2
2842     sdlconfigname=sdl2_config
2843 elif test $sdlabi = "1.2"; then
2844     sdlname=sdl
2845     sdlconfigname=sdl_config
2846 else
2847     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2848 fi
2849
2850 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2851   sdl_config=$sdlconfigname
2852 fi
2853
2854 if $pkg_config $sdlname --exists; then
2855   sdlconfig="$pkg_config $sdlname"
2856   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2857 elif has ${sdl_config}; then
2858   sdlconfig="$sdl_config"
2859   sdlversion=$($sdlconfig --version)
2860 else
2861   if test "$sdl" = "yes" ; then
2862     feature_not_found "sdl" "Install SDL2-devel"
2863   fi
2864   sdl=no
2865 fi
2866 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2867   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2868 fi
2869
2870 sdl_too_old=no
2871 if test "$sdl" != "no" ; then
2872   cat > $TMPC << EOF
2873 #include <SDL.h>
2874 #undef main /* We don't want SDL to override our main() */
2875 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2876 EOF
2877   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2878   if test "$static" = "yes" ; then
2879     if $pkg_config $sdlname --exists; then
2880       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2881     else
2882       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2883     fi
2884   else
2885     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2886   fi
2887   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2888     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2889       sdl_too_old=yes
2890     else
2891       sdl=yes
2892     fi
2893
2894     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2895     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2896       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2897          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2898          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2899       fi
2900       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2901         :
2902       else
2903         sdl=no
2904       fi
2905     fi # static link
2906   else # sdl not found
2907     if test "$sdl" = "yes" ; then
2908       feature_not_found "sdl" "Install SDL devel"
2909     fi
2910     sdl=no
2911   fi # sdl compile test
2912 fi
2913
2914 if test "$sdl" = "yes" ; then
2915   cat > $TMPC <<EOF
2916 #include <SDL.h>
2917 #if defined(SDL_VIDEO_DRIVER_X11)
2918 #include <X11/XKBlib.h>
2919 #else
2920 #error No x11 support
2921 #endif
2922 int main(void) { return 0; }
2923 EOF
2924   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2925     need_x11=yes
2926     sdl_cflags="$sdl_cflags $x11_cflags"
2927     sdl_libs="$sdl_libs $x11_libs"
2928   fi
2929 fi
2930
2931 ##########################################
2932 # RDMA needs OpenFabrics libraries
2933 if test "$rdma" != "no" ; then
2934   cat > $TMPC <<EOF
2935 #include <rdma/rdma_cma.h>
2936 int main(void) { return 0; }
2937 EOF
2938   rdma_libs="-lrdmacm -libverbs -libumad"
2939   if compile_prog "" "$rdma_libs" ; then
2940     rdma="yes"
2941     libs_softmmu="$libs_softmmu $rdma_libs"
2942   else
2943     if test "$rdma" = "yes" ; then
2944         error_exit \
2945             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
2946             " Your options:" \
2947             "  (1) Fast: Install infiniband packages (devel) from your distro." \
2948             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2949             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2950     fi
2951     rdma="no"
2952   fi
2953 fi
2954
2955
2956 ##########################################
2957 # VNC SASL detection
2958 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2959   cat > $TMPC <<EOF
2960 #include <sasl/sasl.h>
2961 #include <stdio.h>
2962 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2963 EOF
2964   # Assuming Cyrus-SASL installed in /usr prefix
2965   vnc_sasl_cflags=""
2966   vnc_sasl_libs="-lsasl2"
2967   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2968     vnc_sasl=yes
2969     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2970     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2971   else
2972     if test "$vnc_sasl" = "yes" ; then
2973       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2974     fi
2975     vnc_sasl=no
2976   fi
2977 fi
2978
2979 ##########################################
2980 # VNC JPEG detection
2981 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2982 cat > $TMPC <<EOF
2983 #include <stdio.h>
2984 #include <jpeglib.h>
2985 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2986 EOF
2987     vnc_jpeg_cflags=""
2988     vnc_jpeg_libs="-ljpeg"
2989   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2990     vnc_jpeg=yes
2991     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2992     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2993   else
2994     if test "$vnc_jpeg" = "yes" ; then
2995       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2996     fi
2997     vnc_jpeg=no
2998   fi
2999 fi
3000
3001 ##########################################
3002 # VNC PNG detection
3003 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
3004 cat > $TMPC <<EOF
3005 //#include <stdio.h>
3006 #include <png.h>
3007 #include <stddef.h>
3008 int main(void) {
3009     png_structp png_ptr;
3010     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3011     return png_ptr != 0;
3012 }
3013 EOF
3014   if $pkg_config libpng --exists; then
3015     vnc_png_cflags=$($pkg_config libpng --cflags)
3016     vnc_png_libs=$($pkg_config libpng --libs)
3017   else
3018     vnc_png_cflags=""
3019     vnc_png_libs="-lpng"
3020   fi
3021   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3022     vnc_png=yes
3023     libs_softmmu="$vnc_png_libs $libs_softmmu"
3024     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3025   else
3026     if test "$vnc_png" = "yes" ; then
3027       feature_not_found "vnc-png" "Install libpng devel"
3028     fi
3029     vnc_png=no
3030   fi
3031 fi
3032
3033 ##########################################
3034 # xkbcommon probe
3035 if test "$xkbcommon" != "no" ; then
3036   if $pkg_config xkbcommon --exists; then
3037     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3038     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3039     xkbcommon=yes
3040   else
3041     if test "$xkbcommon" = "yes" ; then
3042       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3043     fi
3044     xkbcommon=no
3045   fi
3046 fi
3047
3048 ##########################################
3049 # fnmatch() probe, used for ACL routines
3050 fnmatch="no"
3051 cat > $TMPC << EOF
3052 #include <fnmatch.h>
3053 int main(void)
3054 {
3055     fnmatch("foo", "foo", 0);
3056     return 0;
3057 }
3058 EOF
3059 if compile_prog "" "" ; then
3060    fnmatch="yes"
3061 fi
3062
3063 ##########################################
3064 # xfsctl() probe, used for file-posix.c
3065 if test "$xfs" != "no" ; then
3066   cat > $TMPC << EOF
3067 #include <stddef.h>  /* NULL */
3068 #include <xfs/xfs.h>
3069 int main(void)
3070 {
3071     xfsctl(NULL, 0, 0, NULL);
3072     return 0;
3073 }
3074 EOF
3075   if compile_prog "" "" ; then
3076     xfs="yes"
3077   else
3078     if test "$xfs" = "yes" ; then
3079       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3080     fi
3081     xfs=no
3082   fi
3083 fi
3084
3085 ##########################################
3086 # vde libraries probe
3087 if test "$vde" != "no" ; then
3088   vde_libs="-lvdeplug"
3089   cat > $TMPC << EOF
3090 #include <libvdeplug.h>
3091 int main(void)
3092 {
3093     struct vde_open_args a = {0, 0, 0};
3094     char s[] = "";
3095     vde_open(s, s, &a);
3096     return 0;
3097 }
3098 EOF
3099   if compile_prog "" "$vde_libs" ; then
3100     vde=yes
3101   else
3102     if test "$vde" = "yes" ; then
3103       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3104     fi
3105     vde=no
3106   fi
3107 fi
3108
3109 ##########################################
3110 # netmap support probe
3111 # Apart from looking for netmap headers, we make sure that the host API version
3112 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3113 # a minor/major version number. Minor new features will be marked with values up
3114 # to 15, and if something happens that requires a change to the backend we will
3115 # move above 15, submit the backend fixes and modify this two bounds.
3116 if test "$netmap" != "no" ; then
3117   cat > $TMPC << EOF
3118 #include <inttypes.h>
3119 #include <net/if.h>
3120 #include <net/netmap.h>
3121 #include <net/netmap_user.h>
3122 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3123 #error
3124 #endif
3125 int main(void) { return 0; }
3126 EOF
3127   if compile_prog "" "" ; then
3128     netmap=yes
3129   else
3130     if test "$netmap" = "yes" ; then
3131       feature_not_found "netmap"
3132     fi
3133     netmap=no
3134   fi
3135 fi
3136
3137 ##########################################
3138 # libcap-ng library probe
3139 if test "$cap_ng" != "no" ; then
3140   cap_libs="-lcap-ng"
3141   cat > $TMPC << EOF
3142 #include <cap-ng.h>
3143 int main(void)
3144 {
3145     capng_capability_to_name(CAPNG_EFFECTIVE);
3146     return 0;
3147 }
3148 EOF
3149   if compile_prog "" "$cap_libs" ; then
3150     cap_ng=yes
3151     libs_tools="$cap_libs $libs_tools"
3152   else
3153     if test "$cap_ng" = "yes" ; then
3154       feature_not_found "cap_ng" "Install libcap-ng devel"
3155     fi
3156     cap_ng=no
3157   fi
3158 fi
3159
3160 ##########################################
3161 # Sound support libraries probe
3162
3163 audio_drv_probe()
3164 {
3165     drv=$1
3166     hdr=$2
3167     lib=$3
3168     exp=$4
3169     cfl=$5
3170         cat > $TMPC << EOF
3171 #include <$hdr>
3172 int main(void) { $exp }
3173 EOF
3174     if compile_prog "$cfl" "$lib" ; then
3175         :
3176     else
3177         error_exit "$drv check failed" \
3178             "Make sure to have the $drv libs and headers installed."
3179     fi
3180 }
3181
3182 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3183 for drv in $audio_drv_list; do
3184     case $drv in
3185     alsa)
3186     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3187         "return snd_pcm_close((snd_pcm_t *)0);"
3188     alsa_libs="-lasound"
3189     ;;
3190
3191     pa)
3192     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3193         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3194     pulse_libs="-lpulse"
3195     audio_pt_int="yes"
3196     ;;
3197
3198     sdl)
3199     if test "$sdl" = "no"; then
3200         error_exit "sdl not found or disabled, can not use sdl audio driver"
3201     fi
3202     ;;
3203
3204     coreaudio)
3205       coreaudio_libs="-framework CoreAudio"
3206     ;;
3207
3208     dsound)
3209       dsound_libs="-lole32 -ldxguid"
3210       audio_win_int="yes"
3211     ;;
3212
3213     oss)
3214       oss_libs="$oss_lib"
3215     ;;
3216
3217     wav)
3218     # XXX: Probes for CoreAudio, DirectSound
3219     ;;
3220
3221     *)
3222     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3223         error_exit "Unknown driver '$drv' selected" \
3224             "Possible drivers are: $audio_possible_drivers"
3225     }
3226     ;;
3227     esac
3228 done
3229
3230 ##########################################
3231 # BrlAPI probe
3232
3233 if test "$brlapi" != "no" ; then
3234   brlapi_libs="-lbrlapi"
3235   cat > $TMPC << EOF
3236 #include <brlapi.h>
3237 #include <stddef.h>
3238 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3239 EOF
3240   if compile_prog "" "$brlapi_libs" ; then
3241     brlapi=yes
3242   else
3243     if test "$brlapi" = "yes" ; then
3244       feature_not_found "brlapi" "Install brlapi devel"
3245     fi
3246     brlapi=no
3247   fi
3248 fi
3249
3250 ##########################################
3251 # curses probe
3252 if test "$curses" != "no" ; then
3253   if test "$mingw32" = "yes" ; then
3254     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3255     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3256   else
3257     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3258     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3259   fi
3260   curses_found=no
3261   cat > $TMPC << EOF
3262 #include <locale.h>
3263 #include <curses.h>
3264 #include <wchar.h>
3265 int main(void) {
3266   wchar_t wch = L'w';
3267   setlocale(LC_ALL, "");
3268   resize_term(0, 0);
3269   addwstr(L"wide chars\n");
3270   addnwstr(&wch, 1);
3271   add_wch(WACS_DEGREE);
3272   return 0;
3273 }
3274 EOF
3275   IFS=:
3276   for curses_inc in $curses_inc_list; do
3277     # Make sure we get the wide character prototypes
3278     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3279     IFS=:
3280     for curses_lib in $curses_lib_list; do
3281       unset IFS
3282       if compile_prog "$curses_inc" "$curses_lib" ; then
3283         curses_found=yes
3284         break
3285       fi
3286     done
3287     if test "$curses_found" = yes ; then
3288       break
3289     fi
3290   done
3291   unset IFS
3292   if test "$curses_found" = "yes" ; then
3293     curses=yes
3294   else
3295     if test "$curses" = "yes" ; then
3296       feature_not_found "curses" "Install ncurses devel"
3297     fi
3298     curses=no
3299   fi
3300 fi
3301
3302 ##########################################
3303 # curl probe
3304 if test "$curl" != "no" ; then
3305   if $pkg_config libcurl --exists; then
3306     curlconfig="$pkg_config libcurl"
3307   else
3308     curlconfig=curl-config
3309   fi
3310   cat > $TMPC << EOF
3311 #include <curl/curl.h>
3312 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3313 EOF
3314   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3315   curl_libs=$($curlconfig --libs 2>/dev/null)
3316   if compile_prog "$curl_cflags" "$curl_libs" ; then
3317     curl=yes
3318   else
3319     if test "$curl" = "yes" ; then
3320       feature_not_found "curl" "Install libcurl devel"
3321     fi
3322     curl=no
3323   fi
3324 fi # test "$curl"
3325
3326 ##########################################
3327 # bluez support probe
3328 if test "$bluez" != "no" ; then
3329   cat > $TMPC << EOF
3330 #include <bluetooth/bluetooth.h>
3331 int main(void) { return bt_error(0); }
3332 EOF
3333   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3334   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3335   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3336     bluez=yes
3337     libs_softmmu="$bluez_libs $libs_softmmu"
3338   else
3339     if test "$bluez" = "yes" ; then
3340       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3341     fi
3342     bluez="no"
3343   fi
3344 fi
3345
3346 ##########################################
3347 # glib support probe
3348
3349 if test "$mingw32" = yes; then
3350     glib_req_ver=2.30
3351 else
3352     glib_req_ver=2.22
3353 fi
3354 glib_modules=gthread-2.0
3355 if test "$modules" = yes; then
3356     glib_modules="$glib_modules gmodule-2.0"
3357 fi
3358
3359 # This workaround is required due to a bug in pkg-config file for glib as it
3360 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3361
3362 if test "$static" = yes -a "$mingw32" = yes; then
3363     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3364 fi
3365
3366 for i in $glib_modules; do
3367     if $pkg_config --atleast-version=$glib_req_ver $i; then
3368         glib_cflags=$($pkg_config --cflags $i)
3369         glib_libs=$($pkg_config --libs $i)
3370         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3371         LIBS="$glib_libs $LIBS"
3372         libs_qga="$glib_libs $libs_qga"
3373     else
3374         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3375     fi
3376 done
3377
3378 # Sanity check that the current size_t matches the
3379 # size that glib thinks it should be. This catches
3380 # problems on multi-arch where people try to build
3381 # 32-bit QEMU while pointing at 64-bit glib headers
3382 cat > $TMPC <<EOF
3383 #include <glib.h>
3384 #include <unistd.h>
3385
3386 #define QEMU_BUILD_BUG_ON(x) \
3387   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3388
3389 int main(void) {
3390    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3391    return 0;
3392 }
3393 EOF
3394
3395 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3396     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3397                "You probably need to set PKG_CONFIG_LIBDIR"\
3398                "to point to the right pkg-config files for your"\
3399                "build target"
3400 fi
3401
3402 # g_test_trap_subprocess added in 2.38. Used by some tests.
3403 glib_subprocess=yes
3404 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3405     glib_subprocess=no
3406 fi
3407
3408 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3409 cat > $TMPC << EOF
3410 #include <glib.h>
3411 int main(void) { return 0; }
3412 EOF
3413 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3414     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3415         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3416         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3417     fi
3418 fi
3419
3420 ##########################################
3421 # SHA command probe for modules
3422 if test "$modules" = yes; then
3423     shacmd_probe="sha1sum sha1 shasum"
3424     for c in $shacmd_probe; do
3425         if has $c; then
3426             shacmd="$c"
3427             break
3428         fi
3429     done
3430     if test "$shacmd" = ""; then
3431         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3432     fi
3433 fi
3434
3435 ##########################################
3436 # pixman support probe
3437
3438 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3439   pixman_cflags=
3440   pixman_libs=
3441 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3442   pixman_cflags=$($pkg_config --cflags pixman-1)
3443   pixman_libs=$($pkg_config --libs pixman-1)
3444 else
3445   error_exit "pixman >= 0.21.8 not present." \
3446       "Please install the pixman devel package."
3447 fi
3448
3449 ##########################################
3450 # libmpathpersist probe
3451
3452 if test "$mpath" != "no" ; then
3453   cat > $TMPC <<EOF
3454 #include <libudev.h>
3455 #include <mpath_persist.h>
3456 unsigned mpath_mx_alloc_len = 1024;
3457 int logsink;
3458 static struct config *multipath_conf;
3459 extern struct udev *udev;
3460 extern struct config *get_multipath_config(void);
3461 extern void put_multipath_config(struct config *conf);
3462 struct udev *udev;
3463 struct config *get_multipath_config(void) { return multipath_conf; }
3464 void put_multipath_config(struct config *conf) { }
3465
3466 int main(void) {
3467     udev = udev_new();
3468     multipath_conf = mpath_lib_init();
3469     return 0;
3470 }
3471 EOF
3472   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3473     mpathpersist=yes
3474   else
3475     mpathpersist=no
3476   fi
3477 else
3478   mpathpersist=no
3479 fi
3480
3481 ##########################################
3482 # libcap probe
3483
3484 if test "$cap" != "no" ; then
3485   cat > $TMPC <<EOF
3486 #include <stdio.h>
3487 #include <sys/capability.h>
3488 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3489 EOF
3490   if compile_prog "" "-lcap" ; then
3491     cap=yes
3492   else
3493     cap=no
3494   fi
3495 fi
3496
3497 ##########################################
3498 # pthread probe
3499 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3500
3501 pthread=no
3502 cat > $TMPC << EOF
3503 #include <pthread.h>
3504 static void *f(void *p) { return NULL; }
3505 int main(void) {
3506   pthread_t thread;
3507   pthread_create(&thread, 0, f, 0);
3508   return 0;
3509 }
3510 EOF
3511 if compile_prog "" "" ; then
3512   pthread=yes
3513 else
3514   for pthread_lib in $PTHREADLIBS_LIST; do
3515     if compile_prog "" "$pthread_lib" ; then
3516       pthread=yes
3517       found=no
3518       for lib_entry in $LIBS; do
3519         if test "$lib_entry" = "$pthread_lib"; then
3520           found=yes
3521           break
3522         fi
3523       done
3524       if test "$found" = "no"; then
3525         LIBS="$pthread_lib $LIBS"
3526         libs_qga="$pthread_lib $libs_qga"
3527       fi
3528       PTHREAD_LIB="$pthread_lib"
3529       break
3530     fi
3531   done
3532 fi
3533
3534 if test "$mingw32" != yes -a "$pthread" = no; then
3535   error_exit "pthread check failed" \
3536       "Make sure to have the pthread libs and headers installed."
3537 fi
3538
3539 # check for pthread_setname_np
3540 pthread_setname_np=no
3541 cat > $TMPC << EOF
3542 #include <pthread.h>
3543
3544 static void *f(void *p) { return NULL; }
3545 int main(void)
3546 {
3547     pthread_t thread;
3548     pthread_create(&thread, 0, f, 0);
3549     pthread_setname_np(thread, "QEMU");
3550     return 0;
3551 }
3552 EOF
3553 if compile_prog "" "$pthread_lib" ; then
3554   pthread_setname_np=yes
3555 fi
3556
3557 ##########################################
3558 # rbd probe
3559 if test "$rbd" != "no" ; then
3560   cat > $TMPC <<EOF
3561 #include <stdio.h>
3562 #include <rbd/librbd.h>
3563 int main(void) {
3564     rados_t cluster;
3565     rados_create(&cluster, NULL);
3566     return 0;
3567 }
3568 EOF
3569   rbd_libs="-lrbd -lrados"
3570   if compile_prog "" "$rbd_libs" ; then
3571     rbd=yes
3572   else
3573     if test "$rbd" = "yes" ; then
3574       feature_not_found "rados block device" "Install librbd/ceph devel"
3575     fi
3576     rbd=no
3577   fi
3578 fi
3579
3580 ##########################################
3581 # libssh2 probe
3582 min_libssh2_version=1.2.8
3583 if test "$libssh2" != "no" ; then
3584   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3585     libssh2_cflags=$($pkg_config libssh2 --cflags)
3586     libssh2_libs=$($pkg_config libssh2 --libs)
3587     libssh2=yes
3588   else
3589     if test "$libssh2" = "yes" ; then
3590       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3591     fi
3592     libssh2=no
3593   fi
3594 fi
3595
3596 ##########################################
3597 # libssh2_sftp_fsync probe
3598
3599 if test "$libssh2" = "yes"; then
3600   cat > $TMPC <<EOF
3601 #include <stdio.h>
3602 #include <libssh2.h>
3603 #include <libssh2_sftp.h>
3604 int main(void) {
3605     LIBSSH2_SESSION *session;
3606     LIBSSH2_SFTP *sftp;
3607     LIBSSH2_SFTP_HANDLE *sftp_handle;
3608     session = libssh2_session_init ();
3609     sftp = libssh2_sftp_init (session);
3610     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3611     libssh2_sftp_fsync (sftp_handle);
3612     return 0;
3613 }
3614 EOF
3615   # libssh2_cflags/libssh2_libs defined in previous test.
3616   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3617     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3618   fi
3619 fi
3620
3621 ##########################################
3622 # linux-aio probe
3623
3624 if test "$linux_aio" != "no" ; then
3625   cat > $TMPC <<EOF
3626 #include <libaio.h>
3627 #include <sys/eventfd.h>
3628 #include <stddef.h>
3629 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3630 EOF
3631   if compile_prog "" "-laio" ; then
3632     linux_aio=yes
3633   else
3634     if test "$linux_aio" = "yes" ; then
3635       feature_not_found "linux AIO" "Install libaio devel"
3636     fi
3637     linux_aio=no
3638   fi
3639 fi
3640
3641 ##########################################
3642 # TPM passthrough is only on x86 Linux
3643
3644 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3645   tpm_passthrough=$tpm
3646 else
3647   tpm_passthrough=no
3648 fi
3649
3650 # TPM emulator is for all posix systems
3651 if test "$mingw32" != "yes"; then
3652   tpm_emulator=$tpm
3653 else
3654   tpm_emulator=no
3655 fi
3656 ##########################################
3657 # attr probe
3658
3659 if test "$attr" != "no" ; then
3660   cat > $TMPC <<EOF
3661 #include <stdio.h>
3662 #include <sys/types.h>
3663 #ifdef CONFIG_LIBATTR
3664 #include <attr/xattr.h>
3665 #else
3666 #include <sys/xattr.h>
3667 #endif
3668 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3669 EOF
3670   if compile_prog "" "" ; then
3671     attr=yes
3672   # Older distros have <attr/xattr.h>, and need -lattr:
3673   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3674     attr=yes
3675     LIBS="-lattr $LIBS"
3676     libattr=yes
3677   else
3678     if test "$attr" = "yes" ; then
3679       feature_not_found "ATTR" "Install libc6 or libattr devel"
3680     fi
3681     attr=no
3682   fi
3683 fi
3684
3685 ##########################################
3686 # iovec probe
3687 cat > $TMPC <<EOF
3688 #include <sys/types.h>
3689 #include <sys/uio.h>
3690 #include <unistd.h>
3691 int main(void) { return sizeof(struct iovec); }
3692 EOF
3693 iovec=no
3694 if compile_prog "" "" ; then
3695   iovec=yes
3696 fi
3697
3698 ##########################################
3699 # preadv probe
3700 cat > $TMPC <<EOF
3701 #include <sys/types.h>
3702 #include <sys/uio.h>
3703 #include <unistd.h>
3704 int main(void) { return preadv(0, 0, 0, 0); }
3705 EOF
3706 preadv=no
3707 if compile_prog "" "" ; then
3708   preadv=yes
3709 fi
3710
3711 ##########################################
3712 # fdt probe
3713 # fdt support is mandatory for at least some target architectures,
3714 # so insist on it if we're building those system emulators.
3715 fdt_required=no
3716 for target in $target_list; do
3717   case $target in
3718     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3719       fdt_required=yes
3720     ;;
3721   esac
3722 done
3723
3724 if test "$fdt_required" = "yes"; then
3725   if test "$fdt" = "no"; then
3726     error_exit "fdt disabled but some requested targets require it." \
3727       "You can turn off fdt only if you also disable all the system emulation" \
3728       "targets which need it (by specifying a cut down --target-list)."
3729   fi
3730   fdt=yes
3731 fi
3732
3733 if test "$fdt" != "no" ; then
3734   fdt_libs="-lfdt"
3735   # explicitly check for libfdt_env.h as it is missing in some stable installs
3736   # and test for required functions to make sure we are on a version >= 1.4.2
3737   cat > $TMPC << EOF
3738 #include <libfdt.h>
3739 #include <libfdt_env.h>
3740 int main(void) { fdt_first_subnode(0, 0); return 0; }
3741 EOF
3742   if compile_prog "" "$fdt_libs" ; then
3743     # system DTC is good - use it
3744     fdt=yes
3745   else
3746       # have GIT checkout, so activate dtc submodule
3747       if test -e "${source_path}/.git" ; then
3748           git_submodules="${git_submodules} dtc"
3749       fi
3750       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3751           fdt=yes
3752           dtc_internal="yes"
3753           mkdir -p dtc
3754           if [ "$pwd_is_source_path" != "y" ] ; then
3755               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3756               symlink "$source_path/dtc/scripts" "dtc/scripts"
3757           fi
3758           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3759           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3760       elif test "$fdt" = "yes" ; then
3761           # Not a git build & no libfdt found, prompt for system install
3762           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3763                      "Please install the DTC (libfdt) devel package"
3764       else
3765           # don't have and don't want
3766           fdt_libs=
3767           fdt=no
3768       fi
3769   fi
3770 fi
3771
3772 libs_softmmu="$libs_softmmu $fdt_libs"
3773
3774 ##########################################
3775 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3776
3777 if test "$opengl" != "no" ; then
3778   opengl_pkgs="epoxy libdrm gbm"
3779   if $pkg_config $opengl_pkgs; then
3780     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3781     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3782     opengl=yes
3783     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3784         gtk_gl="yes"
3785     fi
3786     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3787   else
3788     if test "$opengl" = "yes" ; then
3789       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3790     fi
3791     opengl_cflags=""
3792     opengl_libs=""
3793     opengl=no
3794   fi
3795 fi
3796
3797 if test "$opengl" = "yes"; then
3798   cat > $TMPC << EOF
3799 #include <epoxy/egl.h>
3800 #ifndef EGL_MESA_image_dma_buf_export
3801 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3802 #endif
3803 int main(void) { return 0; }
3804 EOF
3805   if compile_prog "" "" ; then
3806     opengl_dmabuf=yes
3807   fi
3808 fi
3809
3810 ##########################################
3811 # libxml2 probe
3812 if test "$libxml2" != "no" ; then
3813     if $pkg_config --exists libxml-2.0; then
3814         libxml2="yes"
3815         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3816         libxml2_libs=$($pkg_config --libs libxml-2.0)
3817     else
3818         if test "$libxml2" = "yes"; then
3819             feature_not_found "libxml2" "Install libxml2 devel"
3820         fi
3821         libxml2="no"
3822     fi
3823 fi
3824
3825 ##########################################
3826 # glusterfs probe
3827 if test "$glusterfs" != "no" ; then
3828   if $pkg_config --atleast-version=3 glusterfs-api; then
3829     glusterfs="yes"
3830     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3831     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3832     if $pkg_config --atleast-version=4 glusterfs-api; then
3833       glusterfs_xlator_opt="yes"
3834     fi
3835     if $pkg_config --atleast-version=5 glusterfs-api; then
3836       glusterfs_discard="yes"
3837     fi
3838     if $pkg_config --atleast-version=6 glusterfs-api; then
3839       glusterfs_fallocate="yes"
3840       glusterfs_zerofill="yes"
3841     fi
3842   else
3843     if test "$glusterfs" = "yes" ; then
3844       feature_not_found "GlusterFS backend support" \
3845           "Install glusterfs-api devel >= 3"
3846     fi
3847     glusterfs="no"
3848   fi
3849 fi
3850
3851 # Check for inotify functions when we are building linux-user
3852 # emulator.  This is done because older glibc versions don't
3853 # have syscall stubs for these implemented.  In that case we
3854 # don't provide them even if kernel supports them.
3855 #
3856 inotify=no
3857 cat > $TMPC << EOF
3858 #include <sys/inotify.h>
3859
3860 int
3861 main(void)
3862 {
3863         /* try to start inotify */
3864         return inotify_init();
3865 }
3866 EOF
3867 if compile_prog "" "" ; then
3868   inotify=yes
3869 fi
3870
3871 inotify1=no
3872 cat > $TMPC << EOF
3873 #include <sys/inotify.h>
3874
3875 int
3876 main(void)
3877 {
3878     /* try to start inotify */
3879     return inotify_init1(0);
3880 }
3881 EOF
3882 if compile_prog "" "" ; then
3883   inotify1=yes
3884 fi
3885
3886 # check if pipe2 is there
3887 pipe2=no
3888 cat > $TMPC << EOF
3889 #include <unistd.h>
3890 #include <fcntl.h>
3891
3892 int main(void)
3893 {
3894     int pipefd[2];
3895     return pipe2(pipefd, O_CLOEXEC);
3896 }
3897 EOF
3898 if compile_prog "" "" ; then
3899   pipe2=yes
3900 fi
3901
3902 # check if accept4 is there
3903 accept4=no
3904 cat > $TMPC << EOF
3905 #include <sys/socket.h>
3906 #include <stddef.h>
3907
3908 int main(void)
3909 {
3910     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3911     return 0;
3912 }
3913 EOF
3914 if compile_prog "" "" ; then
3915   accept4=yes
3916 fi
3917
3918 # check if tee/splice is there. vmsplice was added same time.
3919 splice=no
3920 cat > $TMPC << EOF
3921 #include <unistd.h>
3922 #include <fcntl.h>
3923 #include <limits.h>
3924
3925 int main(void)
3926 {
3927     int len, fd = 0;
3928     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3929     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3930     return 0;
3931 }
3932 EOF
3933 if compile_prog "" "" ; then
3934   splice=yes
3935 fi
3936
3937 ##########################################
3938 # libnuma probe
3939
3940 if test "$numa" != "no" ; then
3941   cat > $TMPC << EOF
3942 #include <numa.h>
3943 int main(void) { return numa_available(); }
3944 EOF
3945
3946   if compile_prog "" "-lnuma" ; then
3947     numa=yes
3948     libs_softmmu="-lnuma $libs_softmmu"
3949   else
3950     if test "$numa" = "yes" ; then
3951       feature_not_found "numa" "install numactl devel"
3952     fi
3953     numa=no
3954   fi
3955 fi
3956
3957 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3958     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3959     exit 1
3960 fi
3961
3962 # Even if malloc_trim() is available, these non-libc memory allocators
3963 # do not support it.
3964 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3965     if test "$malloc_trim" = "yes" ; then
3966         echo "Disabling malloc_trim with non-libc memory allocator"
3967     fi
3968     malloc_trim="no"
3969 fi
3970
3971 #######################################
3972 # malloc_trim
3973
3974 if test "$malloc_trim" != "no" ; then
3975     cat > $TMPC << EOF
3976 #include <malloc.h>
3977 int main(void) { malloc_trim(0); return 0; }
3978 EOF
3979     if compile_prog "" "" ; then
3980         malloc_trim="yes"
3981     else
3982         malloc_trim="no"
3983     fi
3984 fi
3985
3986 ##########################################
3987 # tcmalloc probe
3988
3989 if test "$tcmalloc" = "yes" ; then
3990   cat > $TMPC << EOF
3991 #include <stdlib.h>
3992 int main(void) { malloc(1); return 0; }
3993 EOF
3994
3995   if compile_prog "" "-ltcmalloc" ; then
3996     LIBS="-ltcmalloc $LIBS"
3997   else
3998     feature_not_found "tcmalloc" "install gperftools devel"
3999   fi
4000 fi
4001
4002 ##########################################
4003 # jemalloc probe
4004
4005 if test "$jemalloc" = "yes" ; then
4006   cat > $TMPC << EOF
4007 #include <stdlib.h>
4008 int main(void) { malloc(1); return 0; }
4009 EOF
4010
4011   if compile_prog "" "-ljemalloc" ; then
4012     LIBS="-ljemalloc $LIBS"
4013   else
4014     feature_not_found "jemalloc" "install jemalloc devel"
4015   fi
4016 fi
4017
4018 ##########################################
4019 # signalfd probe
4020 signalfd="no"
4021 cat > $TMPC << EOF
4022 #include <unistd.h>
4023 #include <sys/syscall.h>
4024 #include <signal.h>
4025 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4026 EOF
4027
4028 if compile_prog "" "" ; then
4029   signalfd=yes
4030 fi
4031
4032 # check if eventfd is supported
4033 eventfd=no
4034 cat > $TMPC << EOF
4035 #include <sys/eventfd.h>
4036
4037 int main(void)
4038 {
4039     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4040 }
4041 EOF
4042 if compile_prog "" "" ; then
4043   eventfd=yes
4044 fi
4045
4046 # check if memfd is supported
4047 memfd=no
4048 cat > $TMPC << EOF
4049 #include <sys/mman.h>
4050
4051 int main(void)
4052 {
4053     return memfd_create("foo", MFD_ALLOW_SEALING);
4054 }
4055 EOF
4056 if compile_prog "" "" ; then
4057   memfd=yes
4058 fi
4059
4060
4061
4062 # check for fallocate
4063 fallocate=no
4064 cat > $TMPC << EOF
4065 #include <fcntl.h>
4066
4067 int main(void)
4068 {
4069     fallocate(0, 0, 0, 0);
4070     return 0;
4071 }
4072 EOF
4073 if compile_prog "" "" ; then
4074   fallocate=yes
4075 fi
4076
4077 # check for fallocate hole punching
4078 fallocate_punch_hole=no
4079 cat > $TMPC << EOF
4080 #include <fcntl.h>
4081 #include <linux/falloc.h>
4082
4083 int main(void)
4084 {
4085     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4086     return 0;
4087 }
4088 EOF
4089 if compile_prog "" "" ; then
4090   fallocate_punch_hole=yes
4091 fi
4092
4093 # check that fallocate supports range zeroing inside the file
4094 fallocate_zero_range=no
4095 cat > $TMPC << EOF
4096 #include <fcntl.h>
4097 #include <linux/falloc.h>
4098
4099 int main(void)
4100 {
4101     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4102     return 0;
4103 }
4104 EOF
4105 if compile_prog "" "" ; then
4106   fallocate_zero_range=yes
4107 fi
4108
4109 # check for posix_fallocate
4110 posix_fallocate=no
4111 cat > $TMPC << EOF
4112 #include <fcntl.h>
4113
4114 int main(void)
4115 {
4116     posix_fallocate(0, 0, 0);
4117     return 0;
4118 }
4119 EOF
4120 if compile_prog "" "" ; then
4121     posix_fallocate=yes
4122 fi
4123
4124 # check for sync_file_range
4125 sync_file_range=no
4126 cat > $TMPC << EOF
4127 #include <fcntl.h>
4128
4129 int main(void)
4130 {
4131     sync_file_range(0, 0, 0, 0);
4132     return 0;
4133 }
4134 EOF
4135 if compile_prog "" "" ; then
4136   sync_file_range=yes
4137 fi
4138
4139 # check for linux/fiemap.h and FS_IOC_FIEMAP
4140 fiemap=no
4141 cat > $TMPC << EOF
4142 #include <sys/ioctl.h>
4143 #include <linux/fs.h>
4144 #include <linux/fiemap.h>
4145
4146 int main(void)
4147 {
4148     ioctl(0, FS_IOC_FIEMAP, 0);
4149     return 0;
4150 }
4151 EOF
4152 if compile_prog "" "" ; then
4153   fiemap=yes
4154 fi
4155
4156 # check for dup3
4157 dup3=no
4158 cat > $TMPC << EOF
4159 #include <unistd.h>
4160
4161 int main(void)
4162 {
4163     dup3(0, 0, 0);
4164     return 0;
4165 }
4166 EOF
4167 if compile_prog "" "" ; then
4168   dup3=yes
4169 fi
4170
4171 # check for ppoll support
4172 ppoll=no
4173 cat > $TMPC << EOF
4174 #include <poll.h>
4175
4176 int main(void)
4177 {
4178     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4179     ppoll(&pfd, 1, 0, 0);
4180     return 0;
4181 }
4182 EOF
4183 if compile_prog "" "" ; then
4184   ppoll=yes
4185 fi
4186
4187 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4188 prctl_pr_set_timerslack=no
4189 cat > $TMPC << EOF
4190 #include <sys/prctl.h>
4191
4192 int main(void)
4193 {
4194     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4195     return 0;
4196 }
4197 EOF
4198 if compile_prog "" "" ; then
4199   prctl_pr_set_timerslack=yes
4200 fi
4201
4202 # check for epoll support
4203 epoll=no
4204 cat > $TMPC << EOF
4205 #include <sys/epoll.h>
4206
4207 int main(void)
4208 {
4209     epoll_create(0);
4210     return 0;
4211 }
4212 EOF
4213 if compile_prog "" "" ; then
4214   epoll=yes
4215 fi
4216
4217 # epoll_create1 is a later addition
4218 # so we must check separately for its presence
4219 epoll_create1=no
4220 cat > $TMPC << EOF
4221 #include <sys/epoll.h>
4222
4223 int main(void)
4224 {
4225     /* Note that we use epoll_create1 as a value, not as
4226      * a function being called. This is necessary so that on
4227      * old SPARC glibc versions where the function was present in
4228      * the library but not declared in the header file we will
4229      * fail the configure check. (Otherwise we will get a compiler
4230      * warning but not an error, and will proceed to fail the
4231      * qemu compile where we compile with -Werror.)
4232      */
4233     return (int)(uintptr_t)&epoll_create1;
4234 }
4235 EOF
4236 if compile_prog "" "" ; then
4237   epoll_create1=yes
4238 fi
4239
4240 # check for sendfile support
4241 sendfile=no
4242 cat > $TMPC << EOF
4243 #include <sys/sendfile.h>
4244
4245 int main(void)
4246 {
4247     return sendfile(0, 0, 0, 0);
4248 }
4249 EOF
4250 if compile_prog "" "" ; then
4251   sendfile=yes
4252 fi
4253
4254 # check for timerfd support (glibc 2.8 and newer)
4255 timerfd=no
4256 cat > $TMPC << EOF
4257 #include <sys/timerfd.h>
4258
4259 int main(void)
4260 {
4261     return(timerfd_create(CLOCK_REALTIME, 0));
4262 }
4263 EOF
4264 if compile_prog "" "" ; then
4265   timerfd=yes
4266 fi
4267
4268 # check for setns and unshare support
4269 setns=no
4270 cat > $TMPC << EOF
4271 #include <sched.h>
4272
4273 int main(void)
4274 {
4275     int ret;
4276     ret = setns(0, 0);
4277     ret = unshare(0);
4278     return ret;
4279 }
4280 EOF
4281 if compile_prog "" "" ; then
4282   setns=yes
4283 fi
4284
4285 # clock_adjtime probe
4286 clock_adjtime=no
4287 cat > $TMPC <<EOF
4288 #include <time.h>
4289
4290 int main(void)
4291 {
4292     return clock_adjtime(0, 0);
4293 }
4294 EOF
4295 clock_adjtime=no
4296 if compile_prog "" "" ; then
4297   clock_adjtime=yes
4298 fi
4299
4300 # syncfs probe
4301 syncfs=no
4302 cat > $TMPC <<EOF
4303 #include <unistd.h>
4304
4305 int main(void)
4306 {
4307     return syncfs(0);
4308 }
4309 EOF
4310 syncfs=no
4311 if compile_prog "" "" ; then
4312   syncfs=yes
4313 fi
4314
4315 # Check if tools are available to build documentation.
4316 if test "$docs" != "no" ; then
4317   if has makeinfo && has pod2man; then
4318     docs=yes
4319   else
4320     if test "$docs" = "yes" ; then
4321       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4322     fi
4323     docs=no
4324   fi
4325 fi
4326
4327 # Search for bswap_32 function
4328 byteswap_h=no
4329 cat > $TMPC << EOF
4330 #include <byteswap.h>
4331 int main(void) { return bswap_32(0); }
4332 EOF
4333 if compile_prog "" "" ; then
4334   byteswap_h=yes
4335 fi
4336
4337 # Search for bswap32 function
4338 bswap_h=no
4339 cat > $TMPC << EOF
4340 #include <sys/endian.h>
4341 #include <sys/types.h>
4342 #include <machine/bswap.h>
4343 int main(void) { return bswap32(0); }
4344 EOF
4345 if compile_prog "" "" ; then
4346   bswap_h=yes
4347 fi
4348
4349 ##########################################
4350 # Do we have libiscsi >= 1.9.0
4351 if test "$libiscsi" != "no" ; then
4352   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4353     libiscsi="yes"
4354     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4355     libiscsi_libs=$($pkg_config --libs libiscsi)
4356   else
4357     if test "$libiscsi" = "yes" ; then
4358       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4359     fi
4360     libiscsi="no"
4361   fi
4362 fi
4363
4364 ##########################################
4365 # Do we need libm
4366 cat > $TMPC << EOF
4367 #include <math.h>
4368 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4369 EOF
4370 if compile_prog "" "" ; then
4371   :
4372 elif compile_prog "" "-lm" ; then
4373   LIBS="-lm $LIBS"
4374   libs_qga="-lm $libs_qga"
4375 else
4376   error_exit "libm check failed"
4377 fi
4378
4379 ##########################################
4380 # Do we need librt
4381 # uClibc provides 2 versions of clock_gettime(), one with realtime
4382 # support and one without. This means that the clock_gettime() don't
4383 # need -lrt. We still need it for timer_create() so we check for this
4384 # function in addition.
4385 cat > $TMPC <<EOF
4386 #include <signal.h>
4387 #include <time.h>
4388 int main(void) {
4389   timer_create(CLOCK_REALTIME, NULL, NULL);
4390   return clock_gettime(CLOCK_REALTIME, NULL);
4391 }
4392 EOF
4393
4394 if compile_prog "" "" ; then
4395   :
4396 # we need pthread for static linking. use previous pthread test result
4397 elif compile_prog "" "$pthread_lib -lrt" ; then
4398   LIBS="$LIBS -lrt"
4399   libs_qga="$libs_qga -lrt"
4400 fi
4401
4402 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4403         "$haiku" != "yes" ; then
4404     libs_softmmu="-lutil $libs_softmmu"
4405 fi
4406
4407 ##########################################
4408 # spice probe
4409 if test "$spice" != "no" ; then
4410   cat > $TMPC << EOF
4411 #include <spice.h>
4412 int main(void) { spice_server_new(); return 0; }
4413 EOF
4414   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4415   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4416   if $pkg_config --atleast-version=0.12.0 spice-server && \
4417      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4418      compile_prog "$spice_cflags" "$spice_libs" ; then
4419     spice="yes"
4420     libs_softmmu="$libs_softmmu $spice_libs"
4421     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4422     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4423     spice_server_version=$($pkg_config --modversion spice-server)
4424   else
4425     if test "$spice" = "yes" ; then
4426       feature_not_found "spice" \
4427           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4428     fi
4429     spice="no"
4430   fi
4431 fi
4432
4433 # check for smartcard support
4434 if test "$smartcard" != "no"; then
4435     if $pkg_config libcacard; then
4436         libcacard_cflags=$($pkg_config --cflags libcacard)
4437         libcacard_libs=$($pkg_config --libs libcacard)
4438         smartcard="yes"
4439     else
4440         if test "$smartcard" = "yes"; then
4441             feature_not_found "smartcard" "Install libcacard devel"
4442         fi
4443         smartcard="no"
4444     fi
4445 fi
4446
4447 # check for libusb
4448 if test "$libusb" != "no" ; then
4449     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4450         libusb="yes"
4451         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4452         libusb_libs=$($pkg_config --libs libusb-1.0)
4453     else
4454         if test "$libusb" = "yes"; then
4455             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4456         fi
4457         libusb="no"
4458     fi
4459 fi
4460
4461 # check for usbredirparser for usb network redirection support
4462 if test "$usb_redir" != "no" ; then
4463     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4464         usb_redir="yes"
4465         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4466         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4467     else
4468         if test "$usb_redir" = "yes"; then
4469             feature_not_found "usb-redir" "Install usbredir devel"
4470         fi
4471         usb_redir="no"
4472     fi
4473 fi
4474
4475 ##########################################
4476 # check if we have VSS SDK headers for win
4477
4478 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4479   case "$vss_win32_sdk" in
4480     "")   vss_win32_include="-isystem $source_path" ;;
4481     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4482           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4483           vss_win32_include="-isystem $source_path/.sdk/vss"
4484           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4485           ;;
4486     *)    vss_win32_include="-isystem $vss_win32_sdk"
4487   esac
4488   cat > $TMPC << EOF
4489 #define __MIDL_user_allocate_free_DEFINED__
4490 #include <inc/win2003/vss.h>
4491 int main(void) { return VSS_CTX_BACKUP; }
4492 EOF
4493   if compile_prog "$vss_win32_include" "" ; then
4494     guest_agent_with_vss="yes"
4495     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4496     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4497     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4498   else
4499     if test "$vss_win32_sdk" != "" ; then
4500       echo "ERROR: Please download and install Microsoft VSS SDK:"
4501       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4502       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4503       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4504       echo "ERROR: The headers are extracted in the directory \`inc'."
4505       feature_not_found "VSS support"
4506     fi
4507     guest_agent_with_vss="no"
4508   fi
4509 fi
4510
4511 ##########################################
4512 # lookup Windows platform SDK (if not specified)
4513 # The SDK is needed only to build .tlb (type library) file of guest agent
4514 # VSS provider from the source. It is usually unnecessary because the
4515 # pre-compiled .tlb file is included.
4516
4517 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4518   if test -z "$win_sdk"; then
4519     programfiles="$PROGRAMFILES"
4520     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4521     if test -n "$programfiles"; then
4522       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4523     else
4524       feature_not_found "Windows SDK"
4525     fi
4526   elif test "$win_sdk" = "no"; then
4527     win_sdk=""
4528   fi
4529 fi
4530
4531 ##########################################
4532 # check if mingw environment provides a recent ntddscsi.h
4533 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4534   cat > $TMPC << EOF
4535 #include <windows.h>
4536 #include <ntddscsi.h>
4537 int main(void) {
4538 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4539 #error Missing required ioctl definitions
4540 #endif
4541   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4542   return addr.Lun;
4543 }
4544 EOF
4545   if compile_prog "" "" ; then
4546     guest_agent_ntddscsi=yes
4547     libs_qga="-lsetupapi $libs_qga"
4548   fi
4549 fi
4550
4551 ##########################################
4552 # virgl renderer probe
4553
4554 if test "$virglrenderer" != "no" ; then
4555   cat > $TMPC << EOF
4556 #include <virglrenderer.h>
4557 int main(void) { virgl_renderer_poll(); return 0; }
4558 EOF
4559   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4560   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4561   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4562      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4563     virglrenderer="yes"
4564   else
4565     if test "$virglrenderer" = "yes" ; then
4566       feature_not_found "virglrenderer"
4567     fi
4568     virglrenderer="no"
4569   fi
4570 fi
4571
4572 ##########################################
4573 # capstone
4574
4575 case "$capstone" in
4576   "" | yes)
4577     if $pkg_config capstone; then
4578       capstone=system
4579     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4580       capstone=git
4581     elif test -e "${source_path}/capstone/Makefile" ; then
4582       capstone=internal
4583     elif test -z "$capstone" ; then
4584       capstone=no
4585     else
4586       feature_not_found "capstone" "Install capstone devel or git submodule"
4587     fi
4588     ;;
4589
4590   system)
4591     if ! $pkg_config capstone; then
4592       feature_not_found "capstone" "Install capstone devel"
4593     fi
4594     ;;
4595 esac
4596
4597 case "$capstone" in
4598   git | internal)
4599     if test "$capstone" = git; then
4600       git_submodules="${git_submodules} capstone"
4601     fi
4602     mkdir -p capstone
4603     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4604     if test "$mingw32" = "yes"; then
4605       LIBCAPSTONE=capstone.lib
4606     else
4607       LIBCAPSTONE=libcapstone.a
4608     fi
4609     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4610     ;;
4611
4612   system)
4613     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4614     LIBS="$($pkg_config --libs capstone) $LIBS"
4615     ;;
4616
4617   no)
4618     ;;
4619   *)
4620     error_exit "Unknown state for capstone: $capstone"
4621     ;;
4622 esac
4623
4624 ##########################################
4625 # check if we have fdatasync
4626
4627 fdatasync=no
4628 cat > $TMPC << EOF
4629 #include <unistd.h>
4630 int main(void) {
4631 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4632 return fdatasync(0);
4633 #else
4634 #error Not supported
4635 #endif
4636 }
4637 EOF
4638 if compile_prog "" "" ; then
4639     fdatasync=yes
4640 fi
4641
4642 ##########################################
4643 # check if we have madvise
4644
4645 madvise=no
4646 cat > $TMPC << EOF
4647 #include <sys/types.h>
4648 #include <sys/mman.h>
4649 #include <stddef.h>
4650 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4651 EOF
4652 if compile_prog "" "" ; then
4653     madvise=yes
4654 fi
4655
4656 ##########################################
4657 # check if we have posix_madvise
4658
4659 posix_madvise=no
4660 cat > $TMPC << EOF
4661 #include <sys/mman.h>
4662 #include <stddef.h>
4663 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4664 EOF
4665 if compile_prog "" "" ; then
4666     posix_madvise=yes
4667 fi
4668
4669 ##########################################
4670 # check if we have posix_memalign()
4671
4672 posix_memalign=no
4673 cat > $TMPC << EOF
4674 #include <stdlib.h>
4675 int main(void) {
4676     void *p;
4677     return posix_memalign(&p, 8, 8);
4678 }
4679 EOF
4680 if compile_prog "" "" ; then
4681     posix_memalign=yes
4682 fi
4683
4684 ##########################################
4685 # check if we have posix_syslog
4686
4687 posix_syslog=no
4688 cat > $TMPC << EOF
4689 #include <syslog.h>
4690 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4691 EOF
4692 if compile_prog "" "" ; then
4693     posix_syslog=yes
4694 fi
4695
4696 ##########################################
4697 # check if we have sem_timedwait
4698
4699 sem_timedwait=no
4700 cat > $TMPC << EOF
4701 #include <semaphore.h>
4702 int main(void) { return sem_timedwait(0, 0); }
4703 EOF
4704 if compile_prog "" "" ; then
4705     sem_timedwait=yes
4706 fi
4707
4708 ##########################################
4709 # check if trace backend exists
4710
4711 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4712 if test "$?" -ne 0 ; then
4713   error_exit "invalid trace backends" \
4714       "Please choose supported trace backends."
4715 fi
4716
4717 ##########################################
4718 # For 'ust' backend, test if ust headers are present
4719 if have_backend "ust"; then
4720   cat > $TMPC << EOF
4721 #include <lttng/tracepoint.h>
4722 int main(void) { return 0; }
4723 EOF
4724   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4725     if $pkg_config lttng-ust --exists; then
4726       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4727     else
4728       lttng_ust_libs="-llttng-ust -ldl"
4729     fi
4730     if $pkg_config liburcu-bp --exists; then
4731       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4732     else
4733       urcu_bp_libs="-lurcu-bp"
4734     fi
4735
4736     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4737     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4738   else
4739     error_exit "Trace backend 'ust' missing lttng-ust header files"
4740   fi
4741 fi
4742
4743 ##########################################
4744 # For 'dtrace' backend, test if 'dtrace' command is present
4745 if have_backend "dtrace"; then
4746   if ! has 'dtrace' ; then
4747     error_exit "dtrace command is not found in PATH $PATH"
4748   fi
4749   trace_backend_stap="no"
4750   if has 'stap' ; then
4751     trace_backend_stap="yes"
4752   fi
4753 fi
4754
4755 ##########################################
4756 # check and set a backend for coroutine
4757
4758 # We prefer ucontext, but it's not always possible. The fallback
4759 # is sigcontext. On Windows the only valid backend is the Windows
4760 # specific one.
4761
4762 ucontext_works=no
4763 if test "$darwin" != "yes"; then
4764   cat > $TMPC << EOF
4765 #include <ucontext.h>
4766 #ifdef __stub_makecontext
4767 #error Ignoring glibc stub makecontext which will always fail
4768 #endif
4769 int main(void) { makecontext(0, 0, 0); return 0; }
4770 EOF
4771   if compile_prog "" "" ; then
4772     ucontext_works=yes
4773   fi
4774 fi
4775
4776 if test "$coroutine" = ""; then
4777   if test "$mingw32" = "yes"; then
4778     coroutine=win32
4779   elif test "$ucontext_works" = "yes"; then
4780     coroutine=ucontext
4781   else
4782     coroutine=sigaltstack
4783   fi
4784 else
4785   case $coroutine in
4786   windows)
4787     if test "$mingw32" != "yes"; then
4788       error_exit "'windows' coroutine backend only valid for Windows"
4789     fi
4790     # Unfortunately the user visible backend name doesn't match the
4791     # coroutine-*.c filename for this case, so we have to adjust it here.
4792     coroutine=win32
4793     ;;
4794   ucontext)
4795     if test "$ucontext_works" != "yes"; then
4796       feature_not_found "ucontext"
4797     fi
4798     ;;
4799   sigaltstack)
4800     if test "$mingw32" = "yes"; then
4801       error_exit "only the 'windows' coroutine backend is valid for Windows"
4802     fi
4803     ;;
4804   *)
4805     error_exit "unknown coroutine backend $coroutine"
4806     ;;
4807   esac
4808 fi
4809
4810 if test "$coroutine_pool" = ""; then
4811   coroutine_pool=yes
4812 fi
4813
4814 if test "$debug_stack_usage" = "yes"; then
4815   if test "$coroutine_pool" = "yes"; then
4816     echo "WARN: disabling coroutine pool for stack usage debugging"
4817     coroutine_pool=no
4818   fi
4819 fi
4820
4821
4822 ##########################################
4823 # check if we have open_by_handle_at
4824
4825 open_by_handle_at=no
4826 cat > $TMPC << EOF
4827 #include <fcntl.h>
4828 #if !defined(AT_EMPTY_PATH)
4829 # error missing definition
4830 #else
4831 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4832 #endif
4833 EOF
4834 if compile_prog "" "" ; then
4835     open_by_handle_at=yes
4836 fi
4837
4838 ########################################
4839 # check if we have linux/magic.h
4840
4841 linux_magic_h=no
4842 cat > $TMPC << EOF
4843 #include <linux/magic.h>
4844 int main(void) {
4845   return 0;
4846 }
4847 EOF
4848 if compile_prog "" "" ; then
4849     linux_magic_h=yes
4850 fi
4851
4852 ########################################
4853 # check whether we can disable warning option with a pragma (this is needed
4854 # to silence warnings in the headers of some versions of external libraries).
4855 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4856 # only a warning.
4857 #
4858 # If we can't selectively disable warning in the code, disable -Werror so that
4859 # the build doesn't fail anyway.
4860
4861 pragma_disable_unused_but_set=no
4862 cat > $TMPC << EOF
4863 #pragma GCC diagnostic push
4864 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4865 #pragma GCC diagnostic pop
4866
4867 int main(void) {
4868     return 0;
4869 }
4870 EOF
4871 if compile_prog "-Werror" "" ; then
4872     pragma_diagnostic_available=yes
4873 else
4874     werror=no
4875 fi
4876
4877 ########################################
4878 # check if we have valgrind/valgrind.h
4879
4880 valgrind_h=no
4881 cat > $TMPC << EOF
4882 #include <valgrind/valgrind.h>
4883 int main(void) {
4884   return 0;
4885 }
4886 EOF
4887 if compile_prog "" "" ; then
4888     valgrind_h=yes
4889 fi
4890
4891 ########################################
4892 # check if environ is declared
4893
4894 has_environ=no
4895 cat > $TMPC << EOF
4896 #include <unistd.h>
4897 int main(void) {
4898     environ = 0;
4899     return 0;
4900 }
4901 EOF
4902 if compile_prog "" "" ; then
4903     has_environ=yes
4904 fi
4905
4906 ########################################
4907 # check if cpuid.h is usable.
4908
4909 cat > $TMPC << EOF
4910 #include <cpuid.h>
4911 int main(void) {
4912     unsigned a, b, c, d;
4913     int max = __get_cpuid_max(0, 0);
4914
4915     if (max >= 1) {
4916         __cpuid(1, a, b, c, d);
4917     }
4918
4919     if (max >= 7) {
4920         __cpuid_count(7, 0, a, b, c, d);
4921     }
4922
4923     return 0;
4924 }
4925 EOF
4926 if compile_prog "" "" ; then
4927     cpuid_h=yes
4928 fi
4929
4930 ##########################################
4931 # avx2 optimization requirement check
4932 #
4933 # There is no point enabling this if cpuid.h is not usable,
4934 # since we won't be able to select the new routines.
4935
4936 if test $cpuid_h = yes; then
4937   cat > $TMPC << EOF
4938 #pragma GCC push_options
4939 #pragma GCC target("avx2")
4940 #include <cpuid.h>
4941 #include <immintrin.h>
4942 static int bar(void *a) {
4943     __m256i x = *(__m256i *)a;
4944     return _mm256_testz_si256(x, x);
4945 }
4946 int main(int argc, char *argv[]) { return bar(argv[0]); }
4947 EOF
4948   if compile_object "" ; then
4949     avx2_opt="yes"
4950   fi
4951 fi
4952
4953 ########################################
4954 # check if __[u]int128_t is usable.
4955
4956 int128=no
4957 cat > $TMPC << EOF
4958 #if defined(__clang_major__) && defined(__clang_minor__)
4959 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4960 #  error __int128_t does not work in CLANG before 3.2
4961 # endif
4962 #endif
4963 __int128_t a;
4964 __uint128_t b;
4965 int main (void) {
4966   a = a + b;
4967   b = a * b;
4968   a = a * a;
4969   return 0;
4970 }
4971 EOF
4972 if compile_prog "" "" ; then
4973     int128=yes
4974 fi
4975
4976 #########################################
4977 # See if 128-bit atomic operations are supported.
4978
4979 atomic128=no
4980 if test "$int128" = "yes"; then
4981   cat > $TMPC << EOF
4982 int main(void)
4983 {
4984   unsigned __int128 x = 0, y = 0;
4985   y = __atomic_load_16(&x, 0);
4986   __atomic_store_16(&x, y, 0);
4987   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4988   return 0;
4989 }
4990 EOF
4991   if compile_prog "" "" ; then
4992     atomic128=yes
4993   fi
4994 fi
4995
4996 #########################################
4997 # See if 64-bit atomic operations are supported.
4998 # Note that without __atomic builtins, we can only
4999 # assume atomic loads/stores max at pointer size.
5000
5001 cat > $TMPC << EOF
5002 #include <stdint.h>
5003 int main(void)
5004 {
5005   uint64_t x = 0, y = 0;
5006 #ifdef __ATOMIC_RELAXED
5007   y = __atomic_load_8(&x, 0);
5008   __atomic_store_8(&x, y, 0);
5009   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5010   __atomic_exchange_8(&x, y, 0);
5011   __atomic_fetch_add_8(&x, y, 0);
5012 #else
5013   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5014   __sync_lock_test_and_set(&x, y);
5015   __sync_val_compare_and_swap(&x, y, 0);
5016   __sync_fetch_and_add(&x, y);
5017 #endif
5018   return 0;
5019 }
5020 EOF
5021 if compile_prog "" "" ; then
5022   atomic64=yes
5023 fi
5024
5025 ########################################
5026 # See if 16-byte vector operations are supported.
5027 # Even without a vector unit the compiler may expand these.
5028 # There is a bug in old GCC for PPC that crashes here.
5029 # Unfortunately it's the system compiler for Centos 7.
5030
5031 cat > $TMPC << EOF
5032 typedef unsigned char U1 __attribute__((vector_size(16)));
5033 typedef unsigned short U2 __attribute__((vector_size(16)));
5034 typedef unsigned int U4 __attribute__((vector_size(16)));
5035 typedef unsigned long long U8 __attribute__((vector_size(16)));
5036 typedef signed char S1 __attribute__((vector_size(16)));
5037 typedef signed short S2 __attribute__((vector_size(16)));
5038 typedef signed int S4 __attribute__((vector_size(16)));
5039 typedef signed long long S8 __attribute__((vector_size(16)));
5040 static U1 a1, b1;
5041 static U2 a2, b2;
5042 static U4 a4, b4;
5043 static U8 a8, b8;
5044 static S1 c1;
5045 static S2 c2;
5046 static S4 c4;
5047 static S8 c8;
5048 static int i;
5049 int main(void)
5050 {
5051   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5052   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5053   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5054   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5055   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5056   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5057   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5058   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5059   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5060   return 0;
5061 }
5062 EOF
5063
5064 vector16=no
5065 if compile_prog "" "" ; then
5066   vector16=yes
5067 fi
5068
5069 ########################################
5070 # check if getauxval is available.
5071
5072 getauxval=no
5073 cat > $TMPC << EOF
5074 #include <sys/auxv.h>
5075 int main(void) {
5076   return getauxval(AT_HWCAP) == 0;
5077 }
5078 EOF
5079 if compile_prog "" "" ; then
5080     getauxval=yes
5081 fi
5082
5083 ########################################
5084 # check if ccache is interfering with
5085 # semantic analysis of macros
5086
5087 unset CCACHE_CPP2
5088 ccache_cpp2=no
5089 cat > $TMPC << EOF
5090 static const int Z = 1;
5091 #define fn() ({ Z; })
5092 #define TAUT(X) ((X) == Z)
5093 #define PAREN(X, Y) (X == Y)
5094 #define ID(X) (X)
5095 int main(int argc, char *argv[])
5096 {
5097     int x = 0, y = 0;
5098     x = ID(x);
5099     x = fn();
5100     fn();
5101     if (PAREN(x, y)) return 0;
5102     if (TAUT(Z)) return 0;
5103     return 0;
5104 }
5105 EOF
5106
5107 if ! compile_object "-Werror"; then
5108     ccache_cpp2=yes
5109 fi
5110
5111 #################################################
5112 # clang does not support glibc + FORTIFY_SOURCE.
5113
5114 if test "$fortify_source" != "no"; then
5115   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5116     fortify_source="no";
5117   elif test -n "$cxx" && has $cxx &&
5118        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5119     fortify_source="no";
5120   else
5121     fortify_source="yes"
5122   fi
5123 fi
5124
5125 ##########################################
5126 # check if struct fsxattr is available via linux/fs.h
5127
5128 have_fsxattr=no
5129 cat > $TMPC << EOF
5130 #include <linux/fs.h>
5131 struct fsxattr foo;
5132 int main(void) {
5133   return 0;
5134 }
5135 EOF
5136 if compile_prog "" "" ; then
5137     have_fsxattr=yes
5138 fi
5139
5140 ##########################################
5141 # check if rtnetlink.h exists and is useful
5142 have_rtnetlink=no
5143 cat > $TMPC << EOF
5144 #include <linux/rtnetlink.h>
5145 int main(void) {
5146   return IFLA_PROTO_DOWN;
5147 }
5148 EOF
5149 if compile_prog "" "" ; then
5150     have_rtnetlink=yes
5151 fi
5152
5153 ##########################################
5154 # check for usable AF_VSOCK environment
5155 have_af_vsock=no
5156 cat > $TMPC << EOF
5157 #include <errno.h>
5158 #include <sys/types.h>
5159 #include <sys/socket.h>
5160 #if !defined(AF_VSOCK)
5161 # error missing AF_VSOCK flag
5162 #endif
5163 #include <linux/vm_sockets.h>
5164 int main(void) {
5165     int sock, ret;
5166     struct sockaddr_vm svm;
5167     socklen_t len = sizeof(svm);
5168     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5169     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5170     if ((ret == -1) && (errno == ENOTCONN)) {
5171         return 0;
5172     }
5173     return -1;
5174 }
5175 EOF
5176 if compile_prog "" "" ; then
5177     have_af_vsock=yes
5178 fi
5179
5180 ##########################################
5181 # check for usable AF_ALG environment
5182 hava_afalg=no
5183 cat > $TMPC << EOF
5184 #include <errno.h>
5185 #include <sys/types.h>
5186 #include <sys/socket.h>
5187 #include <linux/if_alg.h>
5188 int main(void) {
5189     int sock;
5190     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5191     return sock;
5192 }
5193 EOF
5194 if compile_prog "" "" ; then
5195     have_afalg=yes
5196 fi
5197 if test "$crypto_afalg" = "yes"
5198 then
5199     if test "$have_afalg" != "yes"
5200     then
5201         error_exit "AF_ALG requested but could not be detected"
5202     fi
5203 fi
5204
5205
5206 #################################################
5207 # Check to see if we have the Hypervisor framework
5208 if [ "$darwin" = "yes" ] ; then
5209   cat > $TMPC << EOF
5210 #include <Hypervisor/hv.h>
5211 int main() { return 0;}
5212 EOF
5213   if ! compile_object ""; then
5214     hvf='no'
5215   else
5216     hvf='yes'
5217     LDFLAGS="-framework Hypervisor $LDFLAGS"
5218   fi
5219 fi
5220
5221 #################################################
5222 # Sparc implicitly links with --relax, which is
5223 # incompatible with -r, so --no-relax should be
5224 # given. It does no harm to give it on other
5225 # platforms too.
5226
5227 # Note: the prototype is needed since QEMU_CFLAGS
5228 #       contains -Wmissing-prototypes
5229 cat > $TMPC << EOF
5230 extern int foo(void);
5231 int foo(void) { return 0; }
5232 EOF
5233 if ! compile_object ""; then
5234   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5235 fi
5236 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5237   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5238     LD_REL_FLAGS=$i
5239     break
5240   fi
5241 done
5242 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5243   feature_not_found "modules" "Cannot find how to build relocatable objects"
5244 fi
5245
5246 ##########################################
5247 # check for sysmacros.h
5248
5249 have_sysmacros=no
5250 cat > $TMPC << EOF
5251 #include <sys/sysmacros.h>
5252 int main(void) {
5253     return makedev(0, 0);
5254 }
5255 EOF
5256 if compile_prog "" "" ; then
5257     have_sysmacros=yes
5258 fi
5259
5260 ##########################################
5261 # Veritas HyperScale block driver VxHS
5262 # Check if libvxhs is installed
5263
5264 if test "$vxhs" != "no" ; then
5265   cat > $TMPC <<EOF
5266 #include <stdint.h>
5267 #include <qnio/qnio_api.h>
5268
5269 void *vxhs_callback;
5270
5271 int main(void) {
5272     iio_init(QNIO_VERSION, vxhs_callback);
5273     return 0;
5274 }
5275 EOF
5276   vxhs_libs="-lvxhs -lssl"
5277   if compile_prog "" "$vxhs_libs" ; then
5278     vxhs=yes
5279   else
5280     if test "$vxhs" = "yes" ; then
5281       feature_not_found "vxhs block device" "Install libvxhs See github"
5282     fi
5283     vxhs=no
5284   fi
5285 fi
5286
5287 ##########################################
5288 # check for _Static_assert()
5289
5290 have_static_assert=no
5291 cat > $TMPC << EOF
5292 _Static_assert(1, "success");
5293 int main(void) {
5294     return 0;
5295 }
5296 EOF
5297 if compile_prog "" "" ; then
5298     have_static_assert=yes
5299 fi
5300
5301 ##########################################
5302 # check for utmpx.h, it is missing e.g. on OpenBSD
5303
5304 have_utmpx=no
5305 cat > $TMPC << EOF
5306 #include <utmpx.h>
5307 struct utmpx user_info;
5308 int main(void) {
5309     return 0;
5310 }
5311 EOF
5312 if compile_prog "" "" ; then
5313     have_utmpx=yes
5314 fi
5315
5316 ##########################################
5317 # checks for sanitizers
5318
5319 have_asan=no
5320 have_ubsan=no
5321 have_asan_iface_h=no
5322 have_asan_iface_fiber=no
5323
5324 if test "$sanitizers" = "yes" ; then
5325   write_c_skeleton
5326   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5327       have_asan=yes
5328   fi
5329
5330   # we could use a simple skeleton for flags checks, but this also
5331   # detect the static linking issue of ubsan, see also:
5332   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5333   cat > $TMPC << EOF
5334 #include <stdlib.h>
5335 int main(void) {
5336     void *tmp = malloc(10);
5337     return *(int *)(tmp + 2);
5338 }
5339 EOF
5340   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5341       have_ubsan=yes
5342   fi
5343
5344   if check_include "sanitizer/asan_interface.h" ; then
5345       have_asan_iface_h=yes
5346   fi
5347
5348   cat > $TMPC << EOF
5349 #include <sanitizer/asan_interface.h>
5350 int main(void) {
5351   __sanitizer_start_switch_fiber(0, 0, 0);
5352   return 0;
5353 }
5354 EOF
5355   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5356       have_asan_iface_fiber=yes
5357   fi
5358 fi
5359
5360 ##########################################
5361 # End of CC checks
5362 # After here, no more $cc or $ld runs
5363
5364 write_c_skeleton
5365
5366 if test "$gcov" = "yes" ; then
5367   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5368   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5369 elif test "$fortify_source" = "yes" ; then
5370   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5371 elif test "$debug" = "no"; then
5372   CFLAGS="-O2 $CFLAGS"
5373 fi
5374
5375 if test "$have_asan" = "yes"; then
5376   CFLAGS="-fsanitize=address $CFLAGS"
5377   if test "$have_asan_iface_h" = "no" ; then
5378       echo "ASAN build enabled, but ASAN header missing." \
5379            "Without code annotation, the report may be inferior."
5380   elif test "$have_asan_iface_fiber" = "no" ; then
5381       echo "ASAN build enabled, but ASAN header is too old." \
5382            "Without code annotation, the report may be inferior."
5383   fi
5384 fi
5385 if test "$have_ubsan" = "yes"; then
5386   CFLAGS="-fsanitize=undefined $CFLAGS"
5387 fi
5388
5389 ##########################################
5390 # Do we have libnfs
5391 if test "$libnfs" != "no" ; then
5392   if $pkg_config --atleast-version=1.9.3 libnfs; then
5393     libnfs="yes"
5394     libnfs_libs=$($pkg_config --libs libnfs)
5395   else
5396     if test "$libnfs" = "yes" ; then
5397       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5398     fi
5399     libnfs="no"
5400   fi
5401 fi
5402
5403 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5404 if test "$werror" = "yes"; then
5405     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5406 fi
5407
5408 if test "$solaris" = "no" ; then
5409     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5410         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5411     fi
5412 fi
5413
5414 # test if pod2man has --utf8 option
5415 if pod2man --help | grep -q utf8; then
5416     POD2MAN="pod2man --utf8"
5417 else
5418     POD2MAN="pod2man"
5419 fi
5420
5421 # Use ASLR, no-SEH and DEP if available
5422 if test "$mingw32" = "yes" ; then
5423     for flag in --dynamicbase --no-seh --nxcompat; do
5424         if ld_has $flag ; then
5425             LDFLAGS="-Wl,$flag $LDFLAGS"
5426         fi
5427     done
5428 fi
5429
5430 qemu_confdir=$sysconfdir$confsuffix
5431 qemu_moddir=$libdir$confsuffix
5432 qemu_datadir=$datadir$confsuffix
5433 qemu_localedir="$datadir/locale"
5434
5435 # We can only support ivshmem if we have eventfd
5436 if [ "$eventfd" = "yes" ]; then
5437   ivshmem=yes
5438 fi
5439
5440 tools=""
5441 if test "$want_tools" = "yes" ; then
5442   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5443   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5444     tools="qemu-nbd\$(EXESUF) $tools"
5445   fi
5446   if [ "$ivshmem" = "yes" ]; then
5447     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5448   fi
5449 fi
5450 if test "$softmmu" = yes ; then
5451   if test "$linux" = yes; then
5452     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5453       virtfs=yes
5454       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5455     else
5456       if test "$virtfs" = yes; then
5457         error_exit "VirtFS requires libcap devel and libattr devel"
5458       fi
5459       virtfs=no
5460     fi
5461     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5462       mpath=yes
5463     else
5464       if test "$mpath" = yes; then
5465         error_exit "Multipath requires libmpathpersist devel"
5466       fi
5467       mpath=no
5468     fi
5469     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5470   else
5471     if test "$virtfs" = yes; then
5472       error_exit "VirtFS is supported only on Linux"
5473     fi
5474     virtfs=no
5475     if test "$mpath" = yes; then
5476       error_exit "Multipath is supported only on Linux"
5477     fi
5478     mpath=no
5479   fi
5480   if test "$xkbcommon" = "yes"; then
5481     tools="qemu-keymap\$(EXESUF) $tools"
5482   fi
5483 fi
5484
5485 # Probe for guest agent support/options
5486
5487 if [ "$guest_agent" != "no" ]; then
5488   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5489       tools="qemu-ga $tools"
5490       guest_agent=yes
5491   elif [ "$guest_agent" != yes ]; then
5492       guest_agent=no
5493   else
5494       error_exit "Guest agent is not supported on this platform"
5495   fi
5496 fi
5497
5498 # Guest agent Window MSI  package
5499
5500 if test "$guest_agent" != yes; then
5501   if test "$guest_agent_msi" = yes; then
5502     error_exit "MSI guest agent package requires guest agent enabled"
5503   fi
5504   guest_agent_msi=no
5505 elif test "$mingw32" != "yes"; then
5506   if test "$guest_agent_msi" = "yes"; then
5507     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5508   fi
5509   guest_agent_msi=no
5510 elif ! has wixl; then
5511   if test "$guest_agent_msi" = "yes"; then
5512     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5513   fi
5514   guest_agent_msi=no
5515 else
5516   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5517   # disabled explicitly
5518   if test "$guest_agent_msi" != "no"; then
5519     guest_agent_msi=yes
5520   fi
5521 fi
5522
5523 if test "$guest_agent_msi" = "yes"; then
5524   if test "$guest_agent_with_vss" = "yes"; then
5525     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5526   fi
5527
5528   if test "$QEMU_GA_MANUFACTURER" = ""; then
5529     QEMU_GA_MANUFACTURER=QEMU
5530   fi
5531
5532   if test "$QEMU_GA_DISTRO" = ""; then
5533     QEMU_GA_DISTRO=Linux
5534   fi
5535
5536   if test "$QEMU_GA_VERSION" = ""; then
5537       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5538   fi
5539
5540   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5541
5542   case "$cpu" in
5543   x86_64)
5544     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5545     ;;
5546   i386)
5547     QEMU_GA_MSI_ARCH="-D Arch=32"
5548     ;;
5549   *)
5550     error_exit "CPU $cpu not supported for building installation package"
5551     ;;
5552   esac
5553 fi
5554
5555 # Mac OS X ships with a broken assembler
5556 roms=
5557 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5558         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5559         "$softmmu" = yes ; then
5560     # Different host OS linkers have different ideas about the name of the ELF
5561     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5562     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5563     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5564         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5565             ld_i386_emulation="$emu"
5566             roms="optionrom"
5567             break
5568         fi
5569     done
5570 fi
5571 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5572   roms="$roms spapr-rtas"
5573 fi
5574
5575 if test "$cpu" = "s390x" ; then
5576   roms="$roms s390-ccw"
5577 fi
5578
5579 # Probe for the need for relocating the user-only binary.
5580 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5581   textseg_addr=
5582   case "$cpu" in
5583     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5584       # ??? Rationale for choosing this address
5585       textseg_addr=0x60000000
5586       ;;
5587     mips)
5588       # A 256M aligned address, high in the address space, with enough
5589       # room for the code_gen_buffer above it before the stack.
5590       textseg_addr=0x60000000
5591       ;;
5592   esac
5593   if [ -n "$textseg_addr" ]; then
5594     cat > $TMPC <<EOF
5595     int main(void) { return 0; }
5596 EOF
5597     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5598     if ! compile_prog "" "$textseg_ldflags"; then
5599       # In case ld does not support -Ttext-segment, edit the default linker
5600       # script via sed to set the .text start addr.  This is needed on FreeBSD
5601       # at least.
5602       if ! $ld --verbose >/dev/null 2>&1; then
5603         error_exit \
5604             "We need to link the QEMU user mode binaries at a" \
5605             "specific text address. Unfortunately your linker" \
5606             "doesn't support either the -Ttext-segment option or" \
5607             "printing the default linker script with --verbose." \
5608             "If you don't want the user mode binaries, pass the" \
5609             "--disable-user option to configure."
5610       fi
5611
5612       $ld --verbose | sed \
5613         -e '1,/==================================================/d' \
5614         -e '/==================================================/,$d' \
5615         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5616         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5617       textseg_ldflags="-Wl,-T../config-host.ld"
5618     fi
5619   fi
5620 fi
5621
5622 # Check that the C++ compiler exists and works with the C compiler.
5623 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5624 if has $cxx; then
5625     cat > $TMPC <<EOF
5626 int c_function(void);
5627 int main(void) { return c_function(); }
5628 EOF
5629
5630     compile_object
5631
5632     cat > $TMPCXX <<EOF
5633 extern "C" {
5634    int c_function(void);
5635 }
5636 int c_function(void) { return 42; }
5637 EOF
5638
5639     update_cxxflags
5640
5641     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5642         # C++ compiler $cxx works ok with C compiler $cc
5643         :
5644     else
5645         echo "C++ compiler $cxx does not work with C compiler $cc"
5646         echo "Disabling C++ specific optional code"
5647         cxx=
5648     fi
5649 else
5650     echo "No C++ compiler available; disabling C++ specific optional code"
5651     cxx=
5652 fi
5653
5654 echo_version() {
5655     if test "$1" = "yes" ; then
5656         echo "($2)"
5657     fi
5658 }
5659
5660 # prepend pixman and ftd flags after all config tests are done
5661 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5662 libs_softmmu="$pixman_libs $libs_softmmu"
5663
5664 echo "Install prefix    $prefix"
5665 echo "BIOS directory    $(eval echo $qemu_datadir)"
5666 echo "firmware path     $(eval echo $firmwarepath)"
5667 echo "binary directory  $(eval echo $bindir)"
5668 echo "library directory $(eval echo $libdir)"
5669 echo "module directory  $(eval echo $qemu_moddir)"
5670 echo "libexec directory $(eval echo $libexecdir)"
5671 echo "include directory $(eval echo $includedir)"
5672 echo "config directory  $(eval echo $sysconfdir)"
5673 if test "$mingw32" = "no" ; then
5674 echo "local state directory   $(eval echo $local_statedir)"
5675 echo "Manual directory  $(eval echo $mandir)"
5676 echo "ELF interp prefix $interp_prefix"
5677 else
5678 echo "local state directory   queried at runtime"
5679 echo "Windows SDK       $win_sdk"
5680 fi
5681 echo "Source path       $source_path"
5682 echo "GIT binary        $git"
5683 echo "GIT submodules    $git_submodules"
5684 echo "C compiler        $cc"
5685 echo "Host C compiler   $host_cc"
5686 echo "C++ compiler      $cxx"
5687 echo "Objective-C compiler $objcc"
5688 echo "ARFLAGS           $ARFLAGS"
5689 echo "CFLAGS            $CFLAGS"
5690 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5691 echo "LDFLAGS           $LDFLAGS"
5692 echo "make              $make"
5693 echo "install           $install"
5694 echo "python            $python"
5695 if test "$slirp" = "yes" ; then
5696     echo "smbd              $smbd"
5697 fi
5698 echo "module support    $modules"
5699 echo "host CPU          $cpu"
5700 echo "host big endian   $bigendian"
5701 echo "target list       $target_list"
5702 echo "gprof enabled     $gprof"
5703 echo "sparse enabled    $sparse"
5704 echo "strip binaries    $strip_opt"
5705 echo "profiler          $profiler"
5706 echo "static build      $static"
5707 if test "$darwin" = "yes" ; then
5708     echo "Cocoa support     $cocoa"
5709 fi
5710 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5711 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5712 echo "GTK GL support    $gtk_gl"
5713 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5714 echo "TLS priority      $tls_priority"
5715 echo "GNUTLS support    $gnutls"
5716 echo "GNUTLS rnd        $gnutls_rnd"
5717 echo "libgcrypt         $gcrypt"
5718 echo "libgcrypt kdf     $gcrypt_kdf"
5719 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5720 echo "nettle kdf        $nettle_kdf"
5721 echo "libtasn1          $tasn1"
5722 echo "curses support    $curses"
5723 echo "virgl support     $virglrenderer"
5724 echo "curl support      $curl"
5725 echo "mingw32 support   $mingw32"
5726 echo "Audio drivers     $audio_drv_list"
5727 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5728 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5729 echo "VirtFS support    $virtfs"
5730 echo "Multipath support $mpath"
5731 echo "VNC support       $vnc"
5732 if test "$vnc" = "yes" ; then
5733     echo "VNC SASL support  $vnc_sasl"
5734     echo "VNC JPEG support  $vnc_jpeg"
5735     echo "VNC PNG support   $vnc_png"
5736 fi
5737 if test -n "$sparc_cpu"; then
5738     echo "Target Sparc Arch $sparc_cpu"
5739 fi
5740 echo "xen support       $xen"
5741 if test "$xen" = "yes" ; then
5742   echo "xen ctrl version  $xen_ctrl_version"
5743   echo "pv dom build      $xen_pv_domain_build"
5744 fi
5745 echo "brlapi support    $brlapi"
5746 echo "bluez  support    $bluez"
5747 echo "Documentation     $docs"
5748 echo "PIE               $pie"
5749 echo "vde support       $vde"
5750 echo "netmap support    $netmap"
5751 echo "Linux AIO support $linux_aio"
5752 echo "ATTR/XATTR support $attr"
5753 echo "Install blobs     $blobs"
5754 echo "KVM support       $kvm"
5755 echo "HAX support       $hax"
5756 echo "HVF support       $hvf"
5757 echo "WHPX support      $whpx"
5758 echo "TCG support       $tcg"
5759 if test "$tcg" = "yes" ; then
5760     echo "TCG debug enabled $debug_tcg"
5761     echo "TCG interpreter   $tcg_interpreter"
5762 fi
5763 echo "malloc trim support $malloc_trim"
5764 echo "RDMA support      $rdma"
5765 echo "fdt support       $fdt"
5766 echo "preadv support    $preadv"
5767 echo "fdatasync         $fdatasync"
5768 echo "madvise           $madvise"
5769 echo "posix_madvise     $posix_madvise"
5770 echo "posix_memalign    $posix_memalign"
5771 echo "libcap-ng support $cap_ng"
5772 echo "vhost-net support $vhost_net"
5773 echo "vhost-crypto support $vhost_crypto"
5774 echo "vhost-scsi support $vhost_scsi"
5775 echo "vhost-vsock support $vhost_vsock"
5776 echo "vhost-user support $vhost_user"
5777 echo "Trace backends    $trace_backends"
5778 if have_backend "simple"; then
5779 echo "Trace output file $trace_file-<pid>"
5780 fi
5781 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5782 echo "rbd support       $rbd"
5783 echo "xfsctl support    $xfs"
5784 echo "smartcard support $smartcard"
5785 echo "libusb            $libusb"
5786 echo "usb net redir     $usb_redir"
5787 echo "OpenGL support    $opengl"
5788 echo "OpenGL dmabufs    $opengl_dmabuf"
5789 echo "libiscsi support  $libiscsi"
5790 echo "libnfs support    $libnfs"
5791 echo "build guest agent $guest_agent"
5792 echo "QGA VSS support   $guest_agent_with_vss"
5793 echo "QGA w32 disk info $guest_agent_ntddscsi"
5794 echo "QGA MSI support   $guest_agent_msi"
5795 echo "seccomp support   $seccomp"
5796 echo "coroutine backend $coroutine"
5797 echo "coroutine pool    $coroutine_pool"
5798 echo "debug stack usage $debug_stack_usage"
5799 echo "crypto afalg      $crypto_afalg"
5800 echo "GlusterFS support $glusterfs"
5801 echo "gcov              $gcov_tool"
5802 echo "gcov enabled      $gcov"
5803 echo "TPM support       $tpm"
5804 echo "libssh2 support   $libssh2"
5805 echo "TPM passthrough   $tpm_passthrough"
5806 echo "TPM emulator      $tpm_emulator"
5807 echo "QOM debugging     $qom_cast_debug"
5808 echo "Live block migration $live_block_migration"
5809 echo "lzo support       $lzo"
5810 echo "snappy support    $snappy"
5811 echo "bzip2 support     $bzip2"
5812 echo "NUMA host support $numa"
5813 echo "libxml2           $libxml2"
5814 echo "tcmalloc support  $tcmalloc"
5815 echo "jemalloc support  $jemalloc"
5816 echo "avx2 optimization $avx2_opt"
5817 echo "replication support $replication"
5818 echo "VxHS block device $vxhs"
5819 echo "capstone          $capstone"
5820
5821 if test "$sdl_too_old" = "yes"; then
5822 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5823 fi
5824
5825 if test "$gtkabi" = "2.0"; then
5826     echo
5827     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5828     echo "WARNING: future releases. Please switch to using GTK 3.0"
5829 fi
5830
5831 if test "$sdlabi" = "1.2"; then
5832     echo
5833     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5834     echo "WARNING: future releases. Please switch to using SDL 2.0"
5835 fi
5836
5837 if test "$supported_cpu" = "no"; then
5838     echo
5839     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5840     echo
5841     echo "CPU host architecture $cpu support is not currently maintained."
5842     echo "The QEMU project intends to remove support for this host CPU in"
5843     echo "a future release if nobody volunteers to maintain it and to"
5844     echo "provide a build host for our continuous integration setup."
5845     echo "configure has succeeded and you can continue to build, but"
5846     echo "if you care about QEMU on this platform you should contact"
5847     echo "us upstream at qemu-devel@nongnu.org."
5848 fi
5849
5850 if test "$supported_os" = "no"; then
5851     echo
5852     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5853     echo
5854     echo "Host OS $targetos support is not currently maintained."
5855     echo "The QEMU project intends to remove support for this host OS in"
5856     echo "a future release if nobody volunteers to maintain it and to"
5857     echo "provide a build host for our continuous integration setup."
5858     echo "configure has succeeded and you can continue to build, but"
5859     echo "if you care about QEMU on this platform you should contact"
5860     echo "us upstream at qemu-devel@nongnu.org."
5861 fi
5862
5863 config_host_mak="config-host.mak"
5864
5865 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5866
5867 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5868 echo >> $config_host_mak
5869
5870 echo all: >> $config_host_mak
5871 echo "prefix=$prefix" >> $config_host_mak
5872 echo "bindir=$bindir" >> $config_host_mak
5873 echo "libdir=$libdir" >> $config_host_mak
5874 echo "libexecdir=$libexecdir" >> $config_host_mak
5875 echo "includedir=$includedir" >> $config_host_mak
5876 echo "mandir=$mandir" >> $config_host_mak
5877 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5878 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5879 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5880 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5881 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5882 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5883 if test "$mingw32" = "no" ; then
5884   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5885 fi
5886 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5887 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5888 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5889 echo "GIT=$git" >> $config_host_mak
5890 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5891 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5892
5893 echo "ARCH=$ARCH" >> $config_host_mak
5894
5895 if test "$debug_tcg" = "yes" ; then
5896   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5897 fi
5898 if test "$strip_opt" = "yes" ; then
5899   echo "STRIP=${strip}" >> $config_host_mak
5900 fi
5901 if test "$bigendian" = "yes" ; then
5902   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5903 fi
5904 if test "$mingw32" = "yes" ; then
5905   echo "CONFIG_WIN32=y" >> $config_host_mak
5906   rc_version=$(cat $source_path/VERSION)
5907   version_major=${rc_version%%.*}
5908   rc_version=${rc_version#*.}
5909   version_minor=${rc_version%%.*}
5910   rc_version=${rc_version#*.}
5911   version_subminor=${rc_version%%.*}
5912   version_micro=0
5913   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5914   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5915   if test "$guest_agent_with_vss" = "yes" ; then
5916     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5917     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5918     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5919   fi
5920   if test "$guest_agent_ntddscsi" = "yes" ; then
5921     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5922   fi
5923   if test "$guest_agent_msi" = "yes"; then
5924     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5925     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5926     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5927     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5928     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5929     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5930     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5931   fi
5932 else
5933   echo "CONFIG_POSIX=y" >> $config_host_mak
5934 fi
5935
5936 if test "$linux" = "yes" ; then
5937   echo "CONFIG_LINUX=y" >> $config_host_mak
5938 fi
5939
5940 if test "$darwin" = "yes" ; then
5941   echo "CONFIG_DARWIN=y" >> $config_host_mak
5942 fi
5943
5944 if test "$solaris" = "yes" ; then
5945   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5946 fi
5947 if test "$haiku" = "yes" ; then
5948   echo "CONFIG_HAIKU=y" >> $config_host_mak
5949 fi
5950 if test "$static" = "yes" ; then
5951   echo "CONFIG_STATIC=y" >> $config_host_mak
5952 fi
5953 if test "$profiler" = "yes" ; then
5954   echo "CONFIG_PROFILER=y" >> $config_host_mak
5955 fi
5956 if test "$slirp" = "yes" ; then
5957   echo "CONFIG_SLIRP=y" >> $config_host_mak
5958   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5959 fi
5960 if test "$vde" = "yes" ; then
5961   echo "CONFIG_VDE=y" >> $config_host_mak
5962   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5963 fi
5964 if test "$netmap" = "yes" ; then
5965   echo "CONFIG_NETMAP=y" >> $config_host_mak
5966 fi
5967 if test "$l2tpv3" = "yes" ; then
5968   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5969 fi
5970 if test "$cap_ng" = "yes" ; then
5971   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5972 fi
5973 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5974 for drv in $audio_drv_list; do
5975     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5976     echo "$def=y" >> $config_host_mak
5977 done
5978 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5979 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5980 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5981 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5982 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5983 if test "$audio_pt_int" = "yes" ; then
5984   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5985 fi
5986 if test "$audio_win_int" = "yes" ; then
5987   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5988 fi
5989 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5990 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5991 if test "$vnc" = "yes" ; then
5992   echo "CONFIG_VNC=y" >> $config_host_mak
5993 fi
5994 if test "$vnc_sasl" = "yes" ; then
5995   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5996 fi
5997 if test "$vnc_jpeg" = "yes" ; then
5998   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5999 fi
6000 if test "$vnc_png" = "yes" ; then
6001   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6002 fi
6003 if test "$xkbcommon" = "yes" ; then
6004   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6005   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6006 fi
6007 if test "$fnmatch" = "yes" ; then
6008   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6009 fi
6010 if test "$xfs" = "yes" ; then
6011   echo "CONFIG_XFS=y" >> $config_host_mak
6012 fi
6013 qemu_version=$(head $source_path/VERSION)
6014 echo "VERSION=$qemu_version" >>$config_host_mak
6015 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6016 echo "SRC_PATH=$source_path" >> $config_host_mak
6017 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6018 if [ "$docs" = "yes" ] ; then
6019   echo "BUILD_DOCS=yes" >> $config_host_mak
6020 fi
6021 if test "$modules" = "yes"; then
6022   # $shacmd can generate a hash started with digit, which the compiler doesn't
6023   # like as an symbol. So prefix it with an underscore
6024   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6025   echo "CONFIG_MODULES=y" >> $config_host_mak
6026 fi
6027 if test "$have_x11" = "yes" -a "$need_x11" = "yes"; then
6028   echo "CONFIG_X11=y" >> $config_host_mak
6029   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6030   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6031 fi
6032 if test "$sdl" = "yes" ; then
6033   echo "CONFIG_SDL=m" >> $config_host_mak
6034   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6035   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6036   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6037 fi
6038 if test "$cocoa" = "yes" ; then
6039   echo "CONFIG_COCOA=y" >> $config_host_mak
6040 fi
6041 if test "$curses" = "yes" ; then
6042   echo "CONFIG_CURSES=m" >> $config_host_mak
6043   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6044   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6045 fi
6046 if test "$pipe2" = "yes" ; then
6047   echo "CONFIG_PIPE2=y" >> $config_host_mak
6048 fi
6049 if test "$accept4" = "yes" ; then
6050   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6051 fi
6052 if test "$splice" = "yes" ; then
6053   echo "CONFIG_SPLICE=y" >> $config_host_mak
6054 fi
6055 if test "$eventfd" = "yes" ; then
6056   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6057 fi
6058 if test "$memfd" = "yes" ; then
6059   echo "CONFIG_MEMFD=y" >> $config_host_mak
6060 fi
6061 if test "$fallocate" = "yes" ; then
6062   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6063 fi
6064 if test "$fallocate_punch_hole" = "yes" ; then
6065   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6066 fi
6067 if test "$fallocate_zero_range" = "yes" ; then
6068   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6069 fi
6070 if test "$posix_fallocate" = "yes" ; then
6071   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6072 fi
6073 if test "$sync_file_range" = "yes" ; then
6074   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6075 fi
6076 if test "$fiemap" = "yes" ; then
6077   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6078 fi
6079 if test "$dup3" = "yes" ; then
6080   echo "CONFIG_DUP3=y" >> $config_host_mak
6081 fi
6082 if test "$ppoll" = "yes" ; then
6083   echo "CONFIG_PPOLL=y" >> $config_host_mak
6084 fi
6085 if test "$prctl_pr_set_timerslack" = "yes" ; then
6086   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6087 fi
6088 if test "$epoll" = "yes" ; then
6089   echo "CONFIG_EPOLL=y" >> $config_host_mak
6090 fi
6091 if test "$epoll_create1" = "yes" ; then
6092   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6093 fi
6094 if test "$sendfile" = "yes" ; then
6095   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6096 fi
6097 if test "$timerfd" = "yes" ; then
6098   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6099 fi
6100 if test "$setns" = "yes" ; then
6101   echo "CONFIG_SETNS=y" >> $config_host_mak
6102 fi
6103 if test "$clock_adjtime" = "yes" ; then
6104   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6105 fi
6106 if test "$syncfs" = "yes" ; then
6107   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6108 fi
6109 if test "$inotify" = "yes" ; then
6110   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6111 fi
6112 if test "$inotify1" = "yes" ; then
6113   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6114 fi
6115 if test "$sem_timedwait" = "yes" ; then
6116   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6117 fi
6118 if test "$byteswap_h" = "yes" ; then
6119   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6120 fi
6121 if test "$bswap_h" = "yes" ; then
6122   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6123 fi
6124 if test "$curl" = "yes" ; then
6125   echo "CONFIG_CURL=m" >> $config_host_mak
6126   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6127   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6128 fi
6129 if test "$brlapi" = "yes" ; then
6130   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6131   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6132 fi
6133 if test "$bluez" = "yes" ; then
6134   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6135   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6136 fi
6137 if test "$glib_subprocess" = "yes" ; then
6138   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6139 fi
6140 if test "$gtk" = "yes" ; then
6141   echo "CONFIG_GTK=m" >> $config_host_mak
6142   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6143   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6144   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6145   if test "$gtk_gl" = "yes" ; then
6146     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6147   fi
6148 fi
6149 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6150 if test "$gnutls" = "yes" ; then
6151   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6152 fi
6153 if test "$gnutls_rnd" = "yes" ; then
6154   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6155 fi
6156 if test "$gcrypt" = "yes" ; then
6157   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6158   if test "$gcrypt_hmac" = "yes" ; then
6159     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6160   fi
6161   if test "$gcrypt_kdf" = "yes" ; then
6162     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6163   fi
6164 fi
6165 if test "$nettle" = "yes" ; then
6166   echo "CONFIG_NETTLE=y" >> $config_host_mak
6167   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6168   if test "$nettle_kdf" = "yes" ; then
6169     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6170   fi
6171 fi
6172 if test "$tasn1" = "yes" ; then
6173   echo "CONFIG_TASN1=y" >> $config_host_mak
6174 fi
6175 if test "$have_ifaddrs_h" = "yes" ; then
6176     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6177 fi
6178 if test "$have_broken_size_max" = "yes" ; then
6179     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6180 fi
6181
6182 # Work around a system header bug with some kernel/XFS header
6183 # versions where they both try to define 'struct fsxattr':
6184 # xfs headers will not try to redefine structs from linux headers
6185 # if this macro is set.
6186 if test "$have_fsxattr" = "yes" ; then
6187     echo "HAVE_FSXATTR=y" >> $config_host_mak
6188 fi
6189 if test "$vte" = "yes" ; then
6190   echo "CONFIG_VTE=y" >> $config_host_mak
6191   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6192   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6193 fi
6194 if test "$virglrenderer" = "yes" ; then
6195   echo "CONFIG_VIRGL=y" >> $config_host_mak
6196   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6197   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6198 fi
6199 if test "$xen" = "yes" ; then
6200   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6201   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6202   if test "$xen_pv_domain_build" = "yes" ; then
6203     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6204   fi
6205 fi
6206 if test "$linux_aio" = "yes" ; then
6207   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6208 fi
6209 if test "$attr" = "yes" ; then
6210   echo "CONFIG_ATTR=y" >> $config_host_mak
6211 fi
6212 if test "$libattr" = "yes" ; then
6213   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6214 fi
6215 if test "$virtfs" = "yes" ; then
6216   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6217 fi
6218 if test "$mpath" = "yes" ; then
6219   echo "CONFIG_MPATH=y" >> $config_host_mak
6220 fi
6221 if test "$vhost_scsi" = "yes" ; then
6222   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6223 fi
6224 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6225   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6226 fi
6227 if test "$vhost_crypto" = "yes" ; then
6228   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6229 fi
6230 if test "$vhost_vsock" = "yes" ; then
6231   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6232 fi
6233 if test "$vhost_user" = "yes" ; then
6234   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6235 fi
6236 if test "$blobs" = "yes" ; then
6237   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6238 fi
6239 if test "$iovec" = "yes" ; then
6240   echo "CONFIG_IOVEC=y" >> $config_host_mak
6241 fi
6242 if test "$preadv" = "yes" ; then
6243   echo "CONFIG_PREADV=y" >> $config_host_mak
6244 fi
6245 if test "$fdt" = "yes" ; then
6246   echo "CONFIG_FDT=y" >> $config_host_mak
6247 fi
6248 if test "$signalfd" = "yes" ; then
6249   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6250 fi
6251 if test "$tcg" = "yes"; then
6252   echo "CONFIG_TCG=y" >> $config_host_mak
6253   if test "$tcg_interpreter" = "yes" ; then
6254     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6255   fi
6256 fi
6257 if test "$fdatasync" = "yes" ; then
6258   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6259 fi
6260 if test "$madvise" = "yes" ; then
6261   echo "CONFIG_MADVISE=y" >> $config_host_mak
6262 fi
6263 if test "$posix_madvise" = "yes" ; then
6264   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6265 fi
6266 if test "$posix_memalign" = "yes" ; then
6267   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6268 fi
6269
6270 if test "$spice" = "yes" ; then
6271   echo "CONFIG_SPICE=y" >> $config_host_mak
6272 fi
6273
6274 if test "$smartcard" = "yes" ; then
6275   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6276   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6277   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6278 fi
6279
6280 if test "$libusb" = "yes" ; then
6281   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6282   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6283   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6284 fi
6285
6286 if test "$usb_redir" = "yes" ; then
6287   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6288   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6289   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6290 fi
6291
6292 if test "$opengl" = "yes" ; then
6293   echo "CONFIG_OPENGL=y" >> $config_host_mak
6294   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6295   if test "$opengl_dmabuf" = "yes" ; then
6296     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6297   fi
6298 fi
6299
6300 if test "$malloc_trim" = "yes" ; then
6301   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6302 fi
6303
6304 if test "$avx2_opt" = "yes" ; then
6305   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6306 fi
6307
6308 if test "$lzo" = "yes" ; then
6309   echo "CONFIG_LZO=y" >> $config_host_mak
6310 fi
6311
6312 if test "$snappy" = "yes" ; then
6313   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6314 fi
6315
6316 if test "$bzip2" = "yes" ; then
6317   echo "CONFIG_BZIP2=y" >> $config_host_mak
6318   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6319 fi
6320
6321 if test "$libiscsi" = "yes" ; then
6322   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6323   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6324   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6325 fi
6326
6327 if test "$libnfs" = "yes" ; then
6328   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6329   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6330 fi
6331
6332 if test "$seccomp" = "yes"; then
6333   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6334   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6335   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6336 fi
6337
6338 # XXX: suppress that
6339 if [ "$bsd" = "yes" ] ; then
6340   echo "CONFIG_BSD=y" >> $config_host_mak
6341 fi
6342
6343 if test "$localtime_r" = "yes" ; then
6344   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6345 fi
6346 if test "$qom_cast_debug" = "yes" ; then
6347   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6348 fi
6349 if test "$rbd" = "yes" ; then
6350   echo "CONFIG_RBD=m" >> $config_host_mak
6351   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6352   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6353 fi
6354
6355 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6356 if test "$coroutine_pool" = "yes" ; then
6357   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6358 else
6359   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6360 fi
6361
6362 if test "$debug_stack_usage" = "yes" ; then
6363   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6364 fi
6365
6366 if test "$crypto_afalg" = "yes" ; then
6367   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6368 fi
6369
6370 if test "$open_by_handle_at" = "yes" ; then
6371   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6372 fi
6373
6374 if test "$linux_magic_h" = "yes" ; then
6375   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6376 fi
6377
6378 if test "$pragma_diagnostic_available" = "yes" ; then
6379   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6380 fi
6381
6382 if test "$valgrind_h" = "yes" ; then
6383   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6384 fi
6385
6386 if test "$have_asan_iface_fiber" = "yes" ; then
6387     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6388 fi
6389
6390 if test "$has_environ" = "yes" ; then
6391   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6392 fi
6393
6394 if test "$cpuid_h" = "yes" ; then
6395   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6396 fi
6397
6398 if test "$int128" = "yes" ; then
6399   echo "CONFIG_INT128=y" >> $config_host_mak
6400 fi
6401
6402 if test "$atomic128" = "yes" ; then
6403   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6404 fi
6405
6406 if test "$atomic64" = "yes" ; then
6407   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6408 fi
6409
6410 if test "$vector16" = "yes" ; then
6411   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6412 fi
6413
6414 if test "$getauxval" = "yes" ; then
6415   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6416 fi
6417
6418 if test "$glusterfs" = "yes" ; then
6419   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6420   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6421   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6422 fi
6423
6424 if test "$glusterfs_xlator_opt" = "yes" ; then
6425   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6426 fi
6427
6428 if test "$glusterfs_discard" = "yes" ; then
6429   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6430 fi
6431
6432 if test "$glusterfs_fallocate" = "yes" ; then
6433   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6434 fi
6435
6436 if test "$glusterfs_zerofill" = "yes" ; then
6437   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6438 fi
6439
6440 if test "$libssh2" = "yes" ; then
6441   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6442   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6443   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6444 fi
6445
6446 if test "$live_block_migration" = "yes" ; then
6447   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6448 fi
6449
6450 if test "$tpm" = "yes"; then
6451   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6452   # TPM passthrough support?
6453   if test "$tpm_passthrough" = "yes"; then
6454     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6455   fi
6456   # TPM emulator support?
6457   if test "$tpm_emulator" = "yes"; then
6458     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6459   fi
6460 fi
6461
6462 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6463 if have_backend "nop"; then
6464   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6465 fi
6466 if have_backend "simple"; then
6467   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6468   # Set the appropriate trace file.
6469   trace_file="\"$trace_file-\" FMT_pid"
6470 fi
6471 if have_backend "log"; then
6472   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6473 fi
6474 if have_backend "ust"; then
6475   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6476 fi
6477 if have_backend "dtrace"; then
6478   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6479   if test "$trace_backend_stap" = "yes" ; then
6480     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6481   fi
6482 fi
6483 if have_backend "ftrace"; then
6484   if test "$linux" = "yes" ; then
6485     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6486   else
6487     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6488   fi
6489 fi
6490 if have_backend "syslog"; then
6491   if test "$posix_syslog" = "yes" ; then
6492     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6493   else
6494     feature_not_found "syslog(trace backend)" "syslog not available"
6495   fi
6496 fi
6497 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6498
6499 if test "$rdma" = "yes" ; then
6500   echo "CONFIG_RDMA=y" >> $config_host_mak
6501   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6502 fi
6503
6504 if test "$have_rtnetlink" = "yes" ; then
6505   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6506 fi
6507
6508 if test "$libxml2" = "yes" ; then
6509   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6510   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6511   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6512 fi
6513
6514 if test "$replication" = "yes" ; then
6515   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6516 fi
6517
6518 if test "$have_af_vsock" = "yes" ; then
6519   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6520 fi
6521
6522 if test "$have_sysmacros" = "yes" ; then
6523   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6524 fi
6525
6526 if test "$have_static_assert" = "yes" ; then
6527   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6528 fi
6529
6530 if test "$have_utmpx" = "yes" ; then
6531   echo "HAVE_UTMPX=y" >> $config_host_mak
6532 fi
6533
6534 if test "$ivshmem" = "yes" ; then
6535   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6536 fi
6537 if test "$capstone" != "no" ; then
6538   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6539 fi
6540
6541 # Hold two types of flag:
6542 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6543 #                                     a thread we have a handle to
6544 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6545 #                                     platform
6546 if test "$pthread_setname_np" = "yes" ; then
6547   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6548   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6549 fi
6550
6551 if test "$vxhs" = "yes" ; then
6552   echo "CONFIG_VXHS=y" >> $config_host_mak
6553   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6554 fi
6555
6556 if test "$tcg_interpreter" = "yes"; then
6557   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6558 elif test "$ARCH" = "sparc64" ; then
6559   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6560 elif test "$ARCH" = "s390x" ; then
6561   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6562 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6563   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6564 elif test "$ARCH" = "ppc64" ; then
6565   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6566 else
6567   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6568 fi
6569 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6570
6571 echo "TOOLS=$tools" >> $config_host_mak
6572 echo "ROMS=$roms" >> $config_host_mak
6573 echo "MAKE=$make" >> $config_host_mak
6574 echo "INSTALL=$install" >> $config_host_mak
6575 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6576 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6577 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6578 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6579 echo "PYTHON=$python" >> $config_host_mak
6580 echo "CC=$cc" >> $config_host_mak
6581 if $iasl -h > /dev/null 2>&1; then
6582   echo "IASL=$iasl" >> $config_host_mak
6583 fi
6584 echo "CC_I386=$cc_i386" >> $config_host_mak
6585 echo "HOST_CC=$host_cc" >> $config_host_mak
6586 echo "CXX=$cxx" >> $config_host_mak
6587 echo "OBJCC=$objcc" >> $config_host_mak
6588 echo "AR=$ar" >> $config_host_mak
6589 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6590 echo "AS=$as" >> $config_host_mak
6591 echo "CCAS=$ccas" >> $config_host_mak
6592 echo "CPP=$cpp" >> $config_host_mak
6593 echo "OBJCOPY=$objcopy" >> $config_host_mak
6594 echo "LD=$ld" >> $config_host_mak
6595 echo "RANLIB=$ranlib" >> $config_host_mak
6596 echo "NM=$nm" >> $config_host_mak
6597 echo "WINDRES=$windres" >> $config_host_mak
6598 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6599 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6600 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6601 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6602 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6603 if test "$sparse" = "yes" ; then
6604   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6605   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6606   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6607   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6608   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6609 fi
6610 if test "$cross_prefix" != ""; then
6611   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6612 else
6613   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6614 fi
6615 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6616 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6617 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6618 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6619 echo "LIBS+=$LIBS" >> $config_host_mak
6620 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6621 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6622 echo "EXESUF=$EXESUF" >> $config_host_mak
6623 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6624 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6625 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6626 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6627 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6628 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6629 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6630 if test "$gcov" = "yes" ; then
6631   echo "CONFIG_GCOV=y" >> $config_host_mak
6632   echo "GCOV=$gcov_tool" >> $config_host_mak
6633 fi
6634
6635 # use included Linux headers
6636 if test "$linux" = "yes" ; then
6637   mkdir -p linux-headers
6638   case "$cpu" in
6639   i386|x86_64|x32)
6640     linux_arch=x86
6641     ;;
6642   ppcemb|ppc|ppc64)
6643     linux_arch=powerpc
6644     ;;
6645   s390x)
6646     linux_arch=s390
6647     ;;
6648   aarch64)
6649     linux_arch=arm64
6650     ;;
6651   mips64)
6652     linux_arch=mips
6653     ;;
6654   *)
6655     # For most CPUs the kernel architecture name and QEMU CPU name match.
6656     linux_arch="$cpu"
6657     ;;
6658   esac
6659     # For non-KVM architectures we will not have asm headers
6660     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6661       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6662     fi
6663 fi
6664
6665 for target in $target_list; do
6666 target_dir="$target"
6667 config_target_mak=$target_dir/config-target.mak
6668 target_name=$(echo $target | cut -d '-' -f 1)
6669 target_bigendian="no"
6670
6671 case "$target_name" in
6672   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6673   target_bigendian=yes
6674   ;;
6675 esac
6676 target_softmmu="no"
6677 target_user_only="no"
6678 target_linux_user="no"
6679 target_bsd_user="no"
6680 case "$target" in
6681   ${target_name}-softmmu)
6682     target_softmmu="yes"
6683     ;;
6684   ${target_name}-linux-user)
6685     target_user_only="yes"
6686     target_linux_user="yes"
6687     ;;
6688   ${target_name}-bsd-user)
6689     target_user_only="yes"
6690     target_bsd_user="yes"
6691     ;;
6692   *)
6693     error_exit "Target '$target' not recognised"
6694     exit 1
6695     ;;
6696 esac
6697
6698 mkdir -p $target_dir
6699 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6700
6701 bflt="no"
6702 mttcg="no"
6703 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6704 gdb_xml_files=""
6705
6706 TARGET_ARCH="$target_name"
6707 TARGET_BASE_ARCH=""
6708 TARGET_ABI_DIR=""
6709
6710 case "$target_name" in
6711   i386)
6712     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6713   ;;
6714   x86_64)
6715     TARGET_BASE_ARCH=i386
6716     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6717   ;;
6718   alpha)
6719     mttcg="yes"
6720   ;;
6721   arm|armeb)
6722     TARGET_ARCH=arm
6723     bflt="yes"
6724     mttcg="yes"
6725     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6726   ;;
6727   aarch64|aarch64_be)
6728     TARGET_ARCH=aarch64
6729     TARGET_BASE_ARCH=arm
6730     bflt="yes"
6731     mttcg="yes"
6732     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6733   ;;
6734   cris)
6735   ;;
6736   hppa)
6737     mttcg="yes"
6738   ;;
6739   lm32)
6740   ;;
6741   m68k)
6742     bflt="yes"
6743     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6744   ;;
6745   microblaze|microblazeel)
6746     TARGET_ARCH=microblaze
6747     bflt="yes"
6748   ;;
6749   mips|mipsel)
6750     TARGET_ARCH=mips
6751     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6752   ;;
6753   mipsn32|mipsn32el)
6754     TARGET_ARCH=mips64
6755     TARGET_BASE_ARCH=mips
6756     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6757     echo "TARGET_ABI32=y" >> $config_target_mak
6758   ;;
6759   mips64|mips64el)
6760     TARGET_ARCH=mips64
6761     TARGET_BASE_ARCH=mips
6762     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6763   ;;
6764   moxie)
6765   ;;
6766   nios2)
6767   ;;
6768   or1k)
6769     TARGET_ARCH=openrisc
6770     TARGET_BASE_ARCH=openrisc
6771   ;;
6772   ppc)
6773     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6774   ;;
6775   ppcemb)
6776     TARGET_BASE_ARCH=ppc
6777     TARGET_ABI_DIR=ppc
6778     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6779   ;;
6780   ppc64)
6781     TARGET_BASE_ARCH=ppc
6782     TARGET_ABI_DIR=ppc
6783     mttcg=yes
6784     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6785   ;;
6786   ppc64le)
6787     TARGET_ARCH=ppc64
6788     TARGET_BASE_ARCH=ppc
6789     TARGET_ABI_DIR=ppc
6790     mttcg=yes
6791     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6792   ;;
6793   ppc64abi32)
6794     TARGET_ARCH=ppc64
6795     TARGET_BASE_ARCH=ppc
6796     TARGET_ABI_DIR=ppc
6797     echo "TARGET_ABI32=y" >> $config_target_mak
6798     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6799   ;;
6800   riscv32)
6801     TARGET_BASE_ARCH=riscv
6802     TARGET_ABI_DIR=riscv
6803     mttcg=yes
6804   ;;
6805   riscv64)
6806     TARGET_BASE_ARCH=riscv
6807     TARGET_ABI_DIR=riscv
6808     mttcg=yes
6809   ;;
6810   sh4|sh4eb)
6811     TARGET_ARCH=sh4
6812     bflt="yes"
6813   ;;
6814   sparc)
6815   ;;
6816   sparc64)
6817     TARGET_BASE_ARCH=sparc
6818   ;;
6819   sparc32plus)
6820     TARGET_ARCH=sparc64
6821     TARGET_BASE_ARCH=sparc
6822     TARGET_ABI_DIR=sparc
6823     echo "TARGET_ABI32=y" >> $config_target_mak
6824   ;;
6825   s390x)
6826     mttcg=yes
6827     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6828   ;;
6829   tilegx)
6830   ;;
6831   tricore)
6832   ;;
6833   unicore32)
6834   ;;
6835   xtensa|xtensaeb)
6836     TARGET_ARCH=xtensa
6837   ;;
6838   *)
6839     error_exit "Unsupported target CPU"
6840   ;;
6841 esac
6842 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6843 if [ "$TARGET_BASE_ARCH" = "" ]; then
6844   TARGET_BASE_ARCH=$TARGET_ARCH
6845 fi
6846
6847 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6848
6849 upper() {
6850     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6851 }
6852
6853 target_arch_name="$(upper $TARGET_ARCH)"
6854 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6855 echo "TARGET_NAME=$target_name" >> $config_target_mak
6856 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6857 if [ "$TARGET_ABI_DIR" = "" ]; then
6858   TARGET_ABI_DIR=$TARGET_ARCH
6859 fi
6860 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6861 if [ "$HOST_VARIANT_DIR" != "" ]; then
6862     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6863 fi
6864
6865 if supported_xen_target $target; then
6866     echo "CONFIG_XEN=y" >> $config_target_mak
6867     if test "$xen_pci_passthrough" = yes; then
6868         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6869     fi
6870 fi
6871 if supported_kvm_target $target; then
6872     echo "CONFIG_KVM=y" >> $config_target_mak
6873     if test "$vhost_net" = "yes" ; then
6874         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6875         if test "$vhost_user" = "yes" ; then
6876             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6877         fi
6878     fi
6879 fi
6880 if supported_hax_target $target; then
6881     echo "CONFIG_HAX=y" >> $config_target_mak
6882 fi
6883 if supported_hvf_target $target; then
6884     echo "CONFIG_HVF=y" >> $config_target_mak
6885 fi
6886 if supported_whpx_target $target; then
6887     echo "CONFIG_WHPX=y" >> $config_target_mak
6888 fi
6889 if test "$target_bigendian" = "yes" ; then
6890   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6891 fi
6892 if test "$target_softmmu" = "yes" ; then
6893   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6894   if test "$mttcg" = "yes" ; then
6895     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6896   fi
6897 fi
6898 if test "$target_user_only" = "yes" ; then
6899   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6900   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6901 fi
6902 if test "$target_linux_user" = "yes" ; then
6903   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6904 fi
6905 list=""
6906 if test ! -z "$gdb_xml_files" ; then
6907   for x in $gdb_xml_files; do
6908     list="$list $source_path/gdb-xml/$x"
6909   done
6910   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6911 fi
6912
6913 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6914   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6915 fi
6916 if test "$target_bsd_user" = "yes" ; then
6917   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6918 fi
6919
6920 # generate QEMU_CFLAGS/LDFLAGS for targets
6921
6922 cflags=""
6923 ldflags=""
6924
6925 disas_config() {
6926   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6927   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6928 }
6929
6930 for i in $ARCH $TARGET_BASE_ARCH ; do
6931   case "$i" in
6932   alpha)
6933     disas_config "ALPHA"
6934   ;;
6935   aarch64)
6936     if test -n "${cxx}"; then
6937       disas_config "ARM_A64"
6938     fi
6939   ;;
6940   arm)
6941     disas_config "ARM"
6942     if test -n "${cxx}"; then
6943       disas_config "ARM_A64"
6944     fi
6945   ;;
6946   cris)
6947     disas_config "CRIS"
6948   ;;
6949   hppa)
6950     disas_config "HPPA"
6951   ;;
6952   i386|x86_64|x32)
6953     disas_config "I386"
6954   ;;
6955   lm32)
6956     disas_config "LM32"
6957   ;;
6958   m68k)
6959     disas_config "M68K"
6960   ;;
6961   microblaze*)
6962     disas_config "MICROBLAZE"
6963   ;;
6964   mips*)
6965     disas_config "MIPS"
6966   ;;
6967   moxie*)
6968     disas_config "MOXIE"
6969   ;;
6970   nios2)
6971     disas_config "NIOS2"
6972   ;;
6973   or1k)
6974     disas_config "OPENRISC"
6975   ;;
6976   ppc*)
6977     disas_config "PPC"
6978   ;;
6979   riscv)
6980     disas_config "RISCV"
6981   ;;
6982   s390*)
6983     disas_config "S390"
6984   ;;
6985   sh4)
6986     disas_config "SH4"
6987   ;;
6988   sparc*)
6989     disas_config "SPARC"
6990   ;;
6991   xtensa*)
6992     disas_config "XTENSA"
6993   ;;
6994   esac
6995 done
6996 if test "$tcg_interpreter" = "yes" ; then
6997   disas_config "TCI"
6998 fi
6999
7000 case "$ARCH" in
7001 alpha)
7002   # Ensure there's only a single GP
7003   cflags="-msmall-data $cflags"
7004 ;;
7005 esac
7006
7007 if test "$gprof" = "yes" ; then
7008   echo "TARGET_GPROF=yes" >> $config_target_mak
7009   if test "$target_linux_user" = "yes" ; then
7010     cflags="-p $cflags"
7011     ldflags="-p $ldflags"
7012   fi
7013   if test "$target_softmmu" = "yes" ; then
7014     ldflags="-p $ldflags"
7015     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7016   fi
7017 fi
7018
7019 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7020   ldflags="$ldflags $textseg_ldflags"
7021 fi
7022
7023 # Newer kernels on s390 check for an S390_PGSTE program header and
7024 # enable the pgste page table extensions in that case. This makes
7025 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7026 # header if
7027 #  - we build on s390x
7028 #  - we build the system emulation for s390x (qemu-system-s390x)
7029 #  - KVM is enabled
7030 #  - the linker supports --s390-pgste
7031 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7032     if ld_has --s390-pgste ; then
7033         ldflags="-Wl,--s390-pgste $ldflags"
7034     fi
7035 fi
7036
7037 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7038 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7039
7040 done # for target in $targets
7041
7042 if [ "$dtc_internal" = "yes" ]; then
7043   echo "config-host.h: subdir-dtc" >> $config_host_mak
7044 fi
7045 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7046   echo "config-host.h: subdir-capstone" >> $config_host_mak
7047 fi
7048 if test -n "$LIBCAPSTONE"; then
7049   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7050 fi
7051
7052 if test "$numa" = "yes"; then
7053   echo "CONFIG_NUMA=y" >> $config_host_mak
7054 fi
7055
7056 if test "$ccache_cpp2" = "yes"; then
7057   echo "export CCACHE_CPP2=y" >> $config_host_mak
7058 fi
7059
7060 # build tree in object directory in case the source is not in the current directory
7061 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7062 DIRS="$DIRS docs docs/interop fsdev scsi"
7063 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7064 DIRS="$DIRS roms/seabios roms/vgabios"
7065 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7066 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7067 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7068 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7069 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7070 FILES="$FILES pc-bios/s390-ccw/Makefile"
7071 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7072 FILES="$FILES pc-bios/qemu-icon.bmp"
7073 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7074 for bios_file in \
7075     $source_path/pc-bios/*.bin \
7076     $source_path/pc-bios/*.lid \
7077     $source_path/pc-bios/*.aml \
7078     $source_path/pc-bios/*.rom \
7079     $source_path/pc-bios/*.dtb \
7080     $source_path/pc-bios/*.img \
7081     $source_path/pc-bios/openbios-* \
7082     $source_path/pc-bios/u-boot.* \
7083     $source_path/pc-bios/palcode-*
7084 do
7085     FILES="$FILES pc-bios/$(basename $bios_file)"
7086 done
7087 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7088 do
7089     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7090 done
7091 mkdir -p $DIRS
7092 for f in $FILES ; do
7093     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7094         symlink "$source_path/$f" "$f"
7095     fi
7096 done
7097
7098 # temporary config to build submodules
7099 for rom in seabios vgabios ; do
7100     config_mak=roms/$rom/config.mak
7101     echo "# Automatically generated by configure - do not modify" > $config_mak
7102     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7103     echo "AS=$as" >> $config_mak
7104     echo "CCAS=$ccas" >> $config_mak
7105     echo "CC=$cc" >> $config_mak
7106     echo "BCC=bcc" >> $config_mak
7107     echo "CPP=$cpp" >> $config_mak
7108     echo "OBJCOPY=objcopy" >> $config_mak
7109     echo "IASL=$iasl" >> $config_mak
7110     echo "LD=$ld" >> $config_mak
7111     echo "RANLIB=$ranlib" >> $config_mak
7112 done
7113
7114 # set up tests data directory
7115 if [ ! -e tests/data ]; then
7116     symlink "$source_path/tests/data" tests/data
7117 fi
7118
7119 # set up qemu-iotests in this build directory
7120 iotests_common_env="tests/qemu-iotests/common.env"
7121 iotests_check="tests/qemu-iotests/check"
7122
7123 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7124 echo >> "$iotests_common_env"
7125 echo "export PYTHON='$python'" >> "$iotests_common_env"
7126
7127 if [ ! -e "$iotests_check" ]; then
7128     symlink "$source_path/$iotests_check" "$iotests_check"
7129 fi
7130
7131 # Save the configure command line for later reuse.
7132 cat <<EOD >config.status
7133 #!/bin/sh
7134 # Generated by configure.
7135 # Run this file to recreate the current configuration.
7136 # Compiler output produced by configure, useful for debugging
7137 # configure, is in config.log if it exists.
7138 EOD
7139 printf "exec" >>config.status
7140 printf " '%s'" "$0" "$@" >>config.status
7141 echo ' "$@"' >>config.status
7142 chmod +x config.status
7143
7144 rm -r "$TMPDIR1"