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 $gcc_flags"
1695 # Note that we do not add -Werror to gcc_flags here, because that would
1696 # enable it for all configure tests. If a configure test failed due
1697 # to -Werror this would just silently disable some features,
1698 # so it's too error prone.
1699
1700 cc_has_warning_flag() {
1701     write_c_skeleton;
1702
1703     # Use the positive sense of the flag when testing for -Wno-wombat
1704     # support (gcc will happily accept the -Wno- form of unknown
1705     # warning options).
1706     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1707     compile_prog "-Werror $optflag" ""
1708 }
1709
1710 for flag in $gcc_flags; do
1711     if cc_has_warning_flag $flag ; then
1712         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1713     fi
1714 done
1715
1716 if test "$stack_protector" != "no"; then
1717   cat > $TMPC << EOF
1718 int main(int argc, char *argv[])
1719 {
1720     char arr[64], *p = arr, *c = argv[0];
1721     while (*c) {
1722         *p++ = *c++;
1723     }
1724     return 0;
1725 }
1726 EOF
1727   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1728   sp_on=0
1729   for flag in $gcc_flags; do
1730     # We need to check both a compile and a link, since some compiler
1731     # setups fail only on a .c->.o compile and some only at link time
1732     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1733        compile_prog "-Werror $flag" ""; then
1734       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1735       sp_on=1
1736       break
1737     fi
1738   done
1739   if test "$stack_protector" = yes; then
1740     if test $sp_on = 0; then
1741       error_exit "Stack protector not supported"
1742     fi
1743   fi
1744 fi
1745
1746 # Disable -Wmissing-braces on older compilers that warn even for
1747 # the "universal" C zero initializer {0}.
1748 cat > $TMPC << EOF
1749 struct {
1750   int a[2];
1751 } x = {0};
1752 EOF
1753 if compile_object "-Werror" "" ; then
1754   :
1755 else
1756   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1757 fi
1758
1759 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1760 # large functions that use global variables.  The bug is in all releases of
1761 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1762 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1763 cat > $TMPC << EOF
1764 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1765 int main(void) { return 0; }
1766 #else
1767 #error No bug in this compiler.
1768 #endif
1769 EOF
1770 if compile_prog "-Werror -fno-gcse" "" ; then
1771   TRANSLATE_OPT_CFLAGS=-fno-gcse
1772 fi
1773
1774 if test "$static" = "yes" ; then
1775   if test "$modules" = "yes" ; then
1776     error_exit "static and modules are mutually incompatible"
1777   fi
1778   if test "$pie" = "yes" ; then
1779     error_exit "static and pie are mutually incompatible"
1780   else
1781     pie="no"
1782   fi
1783 fi
1784
1785 # Unconditional check for compiler __thread support
1786   cat > $TMPC << EOF
1787 static __thread int tls_var;
1788 int main(void) { return tls_var; }
1789 EOF
1790
1791 if ! compile_prog "-Werror" "" ; then
1792     error_exit "Your compiler does not support the __thread specifier for " \
1793         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1794 fi
1795
1796 if test "$pie" = ""; then
1797   case "$cpu-$targetos" in
1798     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1799       ;;
1800     *)
1801       pie="no"
1802       ;;
1803   esac
1804 fi
1805
1806 if test "$pie" != "no" ; then
1807   cat > $TMPC << EOF
1808
1809 #ifdef __linux__
1810 #  define THREAD __thread
1811 #else
1812 #  define THREAD
1813 #endif
1814
1815 static THREAD int tls_var;
1816
1817 int main(void) { return tls_var; }
1818
1819 EOF
1820   if compile_prog "-fPIE -DPIE" "-pie"; then
1821     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1822     LDFLAGS="-pie $LDFLAGS"
1823     pie="yes"
1824     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1825       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1826     fi
1827   else
1828     if test "$pie" = "yes"; then
1829       error_exit "PIE not available due to missing toolchain support"
1830     else
1831       echo "Disabling PIE due to missing toolchain support"
1832       pie="no"
1833     fi
1834   fi
1835
1836   if compile_prog "-Werror -fno-pie" "-nopie"; then
1837     CFLAGS_NOPIE="-fno-pie"
1838     LDFLAGS_NOPIE="-nopie"
1839   fi
1840 fi
1841
1842 ##########################################
1843 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1844 # use i686 as default anyway, but for those that don't, an explicit
1845 # specification is necessary
1846
1847 if test "$cpu" = "i386"; then
1848   cat > $TMPC << EOF
1849 static int sfaa(int *ptr)
1850 {
1851   return __sync_fetch_and_and(ptr, 0);
1852 }
1853
1854 int main(void)
1855 {
1856   int val = 42;
1857   val = __sync_val_compare_and_swap(&val, 0, 1);
1858   sfaa(&val);
1859   return val;
1860 }
1861 EOF
1862   if ! compile_prog "" "" ; then
1863     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1864   fi
1865 fi
1866
1867 #########################################
1868 # Solaris specific configure tool chain decisions
1869
1870 if test "$solaris" = "yes" ; then
1871   if has $install; then
1872     :
1873   else
1874     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1875         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1876         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1877   fi
1878   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1879     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1880         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1881         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1882   fi
1883   if has ar; then
1884     :
1885   else
1886     if test -f /usr/ccs/bin/ar ; then
1887       error_exit "No path includes ar" \
1888           "Add /usr/ccs/bin to your path and rerun configure"
1889     fi
1890     error_exit "No path includes ar"
1891   fi
1892 fi
1893
1894 if test -z "${target_list+xxx}" ; then
1895     for target in $default_target_list; do
1896         supported_target $target 2>/dev/null && \
1897             target_list="$target_list $target"
1898     done
1899     target_list="${target_list# }"
1900 else
1901     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1902     for target in $target_list; do
1903         # Check that we recognised the target name; this allows a more
1904         # friendly error message than if we let it fall through.
1905         case " $default_target_list " in
1906             *" $target "*)
1907                 ;;
1908             *)
1909                 error_exit "Unknown target name '$target'"
1910                 ;;
1911         esac
1912         supported_target $target || exit 1
1913     done
1914 fi
1915
1916 # see if system emulation was really requested
1917 case " $target_list " in
1918   *"-softmmu "*) softmmu=yes
1919   ;;
1920   *) softmmu=no
1921   ;;
1922 esac
1923
1924 feature_not_found() {
1925   feature=$1
1926   remedy=$2
1927
1928   error_exit "User requested feature $feature" \
1929       "configure was not able to find it." \
1930       "$remedy"
1931 }
1932
1933 # ---
1934 # big/little endian test
1935 cat > $TMPC << EOF
1936 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1937 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1938 extern int foo(short *, short *);
1939 int main(int argc, char *argv[]) {
1940     return foo(big_endian, little_endian);
1941 }
1942 EOF
1943
1944 if compile_object ; then
1945     if strings -a $TMPO | grep -q BiGeNdIaN ; then
1946         bigendian="yes"
1947     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
1948         bigendian="no"
1949     else
1950         echo big/little test failed
1951     fi
1952 else
1953     echo big/little test failed
1954 fi
1955
1956 ##########################################
1957 # cocoa implies not SDL or GTK
1958 # (the cocoa UI code currently assumes it is always the active UI
1959 # and doesn't interact well with other UI frontend code)
1960 if test "$cocoa" = "yes"; then
1961     if test "$sdl" = "yes"; then
1962         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1963     fi
1964     if test "$gtk" = "yes"; then
1965         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1966     fi
1967     gtk=no
1968     sdl=no
1969 fi
1970
1971 # Some versions of Mac OS X incorrectly define SIZE_MAX
1972 cat > $TMPC << EOF
1973 #include <stdint.h>
1974 #include <stdio.h>
1975 int main(int argc, char *argv[]) {
1976     return printf("%zu", SIZE_MAX);
1977 }
1978 EOF
1979 have_broken_size_max=no
1980 if ! compile_object -Werror ; then
1981     have_broken_size_max=yes
1982 fi
1983
1984 ##########################################
1985 # L2TPV3 probe
1986
1987 cat > $TMPC <<EOF
1988 #include <sys/socket.h>
1989 #include <linux/ip.h>
1990 int main(void) { return sizeof(struct mmsghdr); }
1991 EOF
1992 if compile_prog "" "" ; then
1993   l2tpv3=yes
1994 else
1995   l2tpv3=no
1996 fi
1997
1998 ##########################################
1999 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2000
2001 if test "$mingw32" = "yes"; then
2002     # Some versions of MinGW / Mingw-w64 lack localtime_r
2003     # and gmtime_r entirely.
2004     #
2005     # Some versions of Mingw-w64 define a macro for
2006     # localtime_r/gmtime_r.
2007     #
2008     # Some versions of Mingw-w64 will define functions
2009     # for localtime_r/gmtime_r, but only if you have
2010     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2011     # though, unistd.h and pthread.h both define
2012     # that for you.
2013     #
2014     # So this #undef localtime_r and #include <unistd.h>
2015     # are not in fact redundant.
2016 cat > $TMPC << EOF
2017 #include <unistd.h>
2018 #include <time.h>
2019 #undef localtime_r
2020 int main(void) { localtime_r(NULL, NULL); return 0; }
2021 EOF
2022     if compile_prog "" "" ; then
2023         localtime_r="yes"
2024     else
2025         localtime_r="no"
2026     fi
2027 fi
2028
2029 ##########################################
2030 # pkg-config probe
2031
2032 if ! has "$pkg_config_exe"; then
2033   error_exit "pkg-config binary '$pkg_config_exe' not found"
2034 fi
2035
2036 ##########################################
2037 # NPTL probe
2038
2039 if test "$linux_user" = "yes"; then
2040   cat > $TMPC <<EOF
2041 #include <sched.h>
2042 #include <linux/futex.h>
2043 int main(void) {
2044 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2045 #error bork
2046 #endif
2047   return 0;
2048 }
2049 EOF
2050   if ! compile_object ; then
2051     feature_not_found "nptl" "Install glibc and linux kernel headers."
2052   fi
2053 fi
2054
2055 #########################################
2056 # zlib check
2057
2058 if test "$zlib" != "no" ; then
2059     cat > $TMPC << EOF
2060 #include <zlib.h>
2061 int main(void) { zlibVersion(); return 0; }
2062 EOF
2063     if compile_prog "" "-lz" ; then
2064         :
2065     else
2066         error_exit "zlib check failed" \
2067             "Make sure to have the zlib libs and headers installed."
2068     fi
2069 fi
2070 LIBS="$LIBS -lz"
2071
2072 ##########################################
2073 # lzo check
2074
2075 if test "$lzo" != "no" ; then
2076     cat > $TMPC << EOF
2077 #include <lzo/lzo1x.h>
2078 int main(void) { lzo_version(); return 0; }
2079 EOF
2080     if compile_prog "" "-llzo2" ; then
2081         libs_softmmu="$libs_softmmu -llzo2"
2082         lzo="yes"
2083     else
2084         if test "$lzo" = "yes"; then
2085             feature_not_found "liblzo2" "Install liblzo2 devel"
2086         fi
2087         lzo="no"
2088     fi
2089 fi
2090
2091 ##########################################
2092 # snappy check
2093
2094 if test "$snappy" != "no" ; then
2095     cat > $TMPC << EOF
2096 #include <snappy-c.h>
2097 int main(void) { snappy_max_compressed_length(4096); return 0; }
2098 EOF
2099     if compile_prog "" "-lsnappy" ; then
2100         libs_softmmu="$libs_softmmu -lsnappy"
2101         snappy="yes"
2102     else
2103         if test "$snappy" = "yes"; then
2104             feature_not_found "libsnappy" "Install libsnappy devel"
2105         fi
2106         snappy="no"
2107     fi
2108 fi
2109
2110 ##########################################
2111 # bzip2 check
2112
2113 if test "$bzip2" != "no" ; then
2114     cat > $TMPC << EOF
2115 #include <bzlib.h>
2116 int main(void) { BZ2_bzlibVersion(); return 0; }
2117 EOF
2118     if compile_prog "" "-lbz2" ; then
2119         bzip2="yes"
2120     else
2121         if test "$bzip2" = "yes"; then
2122             feature_not_found "libbzip2" "Install libbzip2 devel"
2123         fi
2124         bzip2="no"
2125     fi
2126 fi
2127
2128 ##########################################
2129 # libseccomp check
2130
2131 if test "$seccomp" != "no" ; then
2132     case "$cpu" in
2133     i386|x86_64)
2134         libseccomp_minver="2.1.0"
2135         ;;
2136     mips)
2137         libseccomp_minver="2.2.0"
2138         ;;
2139     arm|aarch64)
2140         libseccomp_minver="2.2.3"
2141         ;;
2142     ppc|ppc64|s390x)
2143         libseccomp_minver="2.3.0"
2144         ;;
2145     *)
2146         libseccomp_minver=""
2147         ;;
2148     esac
2149
2150     if test "$libseccomp_minver" != "" &&
2151        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2152         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2153         seccomp_libs="$($pkg_config --libs libseccomp)"
2154         seccomp="yes"
2155     else
2156         if test "$seccomp" = "yes" ; then
2157             if test "$libseccomp_minver" != "" ; then
2158                 feature_not_found "libseccomp" \
2159                     "Install libseccomp devel >= $libseccomp_minver"
2160             else
2161                 feature_not_found "libseccomp" \
2162                     "libseccomp is not supported for host cpu $cpu"
2163             fi
2164         fi
2165         seccomp="no"
2166     fi
2167 fi
2168 ##########################################
2169 # xen probe
2170
2171 if test "$xen" != "no" ; then
2172   # Check whether Xen library path is specified via --extra-ldflags to avoid
2173   # overriding this setting with pkg-config output. If not, try pkg-config
2174   # to obtain all needed flags.
2175
2176   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2177      $pkg_config --exists xencontrol ; then
2178     xen_ctrl_version="$(printf '%d%02d%02d' \
2179       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2180     xen=yes
2181     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2182     xen_pc="$xen_pc xenevtchn xendevicemodel"
2183     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2184     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2185     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2186   else
2187
2188     xen_libs="-lxenstore -lxenctrl -lxenguest"
2189     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2190
2191     # First we test whether Xen headers and libraries are available.
2192     # If no, we are done and there is no Xen support.
2193     # If yes, more tests are run to detect the Xen version.
2194
2195     # Xen (any)
2196     cat > $TMPC <<EOF
2197 #include <xenctrl.h>
2198 int main(void) {
2199   return 0;
2200 }
2201 EOF
2202     if ! compile_prog "" "$xen_libs" ; then
2203       # Xen not found
2204       if test "$xen" = "yes" ; then
2205         feature_not_found "xen" "Install xen devel"
2206       fi
2207       xen=no
2208
2209     # Xen unstable
2210     elif
2211         cat > $TMPC <<EOF &&
2212 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2213 #include <xenforeignmemory.h>
2214 int main(void) {
2215   xenforeignmemory_handle *xfmem;
2216
2217   xfmem = xenforeignmemory_open(0, 0);
2218   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2219
2220   return 0;
2221 }
2222 EOF
2223         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2224       then
2225       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2226       xen_ctrl_version=41000
2227       xen=yes
2228     elif
2229         cat > $TMPC <<EOF &&
2230 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2231 #define __XEN_TOOLS__
2232 #include <xendevicemodel.h>
2233 int main(void) {
2234   xendevicemodel_handle *xd;
2235
2236   xd = xendevicemodel_open(0, 0);
2237   xendevicemodel_close(xd);
2238
2239   return 0;
2240 }
2241 EOF
2242         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2243       then
2244       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2245       xen_ctrl_version=40900
2246       xen=yes
2247     elif
2248         cat > $TMPC <<EOF &&
2249 /*
2250  * If we have stable libs the we don't want the libxc compat
2251  * layers, regardless of what CFLAGS we may have been given.
2252  *
2253  * Also, check if xengnttab_grant_copy_segment_t is defined and
2254  * grant copy operation is implemented.
2255  */
2256 #undef XC_WANT_COMPAT_EVTCHN_API
2257 #undef XC_WANT_COMPAT_GNTTAB_API
2258 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2259 #include <xenctrl.h>
2260 #include <xenstore.h>
2261 #include <xenevtchn.h>
2262 #include <xengnttab.h>
2263 #include <xenforeignmemory.h>
2264 #include <stdint.h>
2265 #include <xen/hvm/hvm_info_table.h>
2266 #if !defined(HVM_MAX_VCPUS)
2267 # error HVM_MAX_VCPUS not defined
2268 #endif
2269 int main(void) {
2270   xc_interface *xc = NULL;
2271   xenforeignmemory_handle *xfmem;
2272   xenevtchn_handle *xe;
2273   xengnttab_handle *xg;
2274   xen_domain_handle_t handle;
2275   xengnttab_grant_copy_segment_t* seg = NULL;
2276
2277   xs_daemon_open();
2278
2279   xc = xc_interface_open(0, 0, 0);
2280   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2281   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2282   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2283   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2284   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2285
2286   xfmem = xenforeignmemory_open(0, 0);
2287   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2288
2289   xe = xenevtchn_open(0, 0);
2290   xenevtchn_fd(xe);
2291
2292   xg = xengnttab_open(0, 0);
2293   xengnttab_grant_copy(xg, 0, seg);
2294
2295   return 0;
2296 }
2297 EOF
2298         compile_prog "" "$xen_libs $xen_stable_libs"
2299       then
2300       xen_ctrl_version=40800
2301       xen=yes
2302     elif
2303         cat > $TMPC <<EOF &&
2304 /*
2305  * If we have stable libs the we don't want the libxc compat
2306  * layers, regardless of what CFLAGS we may have been given.
2307  */
2308 #undef XC_WANT_COMPAT_EVTCHN_API
2309 #undef XC_WANT_COMPAT_GNTTAB_API
2310 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2311 #include <xenctrl.h>
2312 #include <xenstore.h>
2313 #include <xenevtchn.h>
2314 #include <xengnttab.h>
2315 #include <xenforeignmemory.h>
2316 #include <stdint.h>
2317 #include <xen/hvm/hvm_info_table.h>
2318 #if !defined(HVM_MAX_VCPUS)
2319 # error HVM_MAX_VCPUS not defined
2320 #endif
2321 int main(void) {
2322   xc_interface *xc = NULL;
2323   xenforeignmemory_handle *xfmem;
2324   xenevtchn_handle *xe;
2325   xengnttab_handle *xg;
2326   xen_domain_handle_t handle;
2327
2328   xs_daemon_open();
2329
2330   xc = xc_interface_open(0, 0, 0);
2331   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2332   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2333   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2334   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2335   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2336
2337   xfmem = xenforeignmemory_open(0, 0);
2338   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2339
2340   xe = xenevtchn_open(0, 0);
2341   xenevtchn_fd(xe);
2342
2343   xg = xengnttab_open(0, 0);
2344   xengnttab_map_grant_ref(xg, 0, 0, 0);
2345
2346   return 0;
2347 }
2348 EOF
2349         compile_prog "" "$xen_libs $xen_stable_libs"
2350       then
2351       xen_ctrl_version=40701
2352       xen=yes
2353     elif
2354         cat > $TMPC <<EOF &&
2355 #include <xenctrl.h>
2356 #include <stdint.h>
2357 int main(void) {
2358   xc_interface *xc = NULL;
2359   xen_domain_handle_t handle;
2360   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2361   return 0;
2362 }
2363 EOF
2364         compile_prog "" "$xen_libs"
2365       then
2366       xen_ctrl_version=40700
2367       xen=yes
2368
2369     # Xen 4.6
2370     elif
2371         cat > $TMPC <<EOF &&
2372 #include <xenctrl.h>
2373 #include <xenstore.h>
2374 #include <stdint.h>
2375 #include <xen/hvm/hvm_info_table.h>
2376 #if !defined(HVM_MAX_VCPUS)
2377 # error HVM_MAX_VCPUS not defined
2378 #endif
2379 int main(void) {
2380   xc_interface *xc;
2381   xs_daemon_open();
2382   xc = xc_interface_open(0, 0, 0);
2383   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2384   xc_gnttab_open(NULL, 0);
2385   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2386   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2387   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2388   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2389   return 0;
2390 }
2391 EOF
2392         compile_prog "" "$xen_libs"
2393       then
2394       xen_ctrl_version=40600
2395       xen=yes
2396
2397     # Xen 4.5
2398     elif
2399         cat > $TMPC <<EOF &&
2400 #include <xenctrl.h>
2401 #include <xenstore.h>
2402 #include <stdint.h>
2403 #include <xen/hvm/hvm_info_table.h>
2404 #if !defined(HVM_MAX_VCPUS)
2405 # error HVM_MAX_VCPUS not defined
2406 #endif
2407 int main(void) {
2408   xc_interface *xc;
2409   xs_daemon_open();
2410   xc = xc_interface_open(0, 0, 0);
2411   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2412   xc_gnttab_open(NULL, 0);
2413   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2414   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2415   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2416   return 0;
2417 }
2418 EOF
2419         compile_prog "" "$xen_libs"
2420       then
2421       xen_ctrl_version=40500
2422       xen=yes
2423
2424     elif
2425         cat > $TMPC <<EOF &&
2426 #include <xenctrl.h>
2427 #include <xenstore.h>
2428 #include <stdint.h>
2429 #include <xen/hvm/hvm_info_table.h>
2430 #if !defined(HVM_MAX_VCPUS)
2431 # error HVM_MAX_VCPUS not defined
2432 #endif
2433 int main(void) {
2434   xc_interface *xc;
2435   xs_daemon_open();
2436   xc = xc_interface_open(0, 0, 0);
2437   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2438   xc_gnttab_open(NULL, 0);
2439   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2440   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2441   return 0;
2442 }
2443 EOF
2444         compile_prog "" "$xen_libs"
2445       then
2446       xen_ctrl_version=40200
2447       xen=yes
2448
2449     else
2450       if test "$xen" = "yes" ; then
2451         feature_not_found "xen (unsupported version)" \
2452                           "Install a supported xen (xen 4.2 or newer)"
2453       fi
2454       xen=no
2455     fi
2456
2457     if test "$xen" = yes; then
2458       if test $xen_ctrl_version -ge 40701  ; then
2459         libs_softmmu="$xen_stable_libs $libs_softmmu"
2460       fi
2461       libs_softmmu="$xen_libs $libs_softmmu"
2462     fi
2463   fi
2464 fi
2465
2466 if test "$xen_pci_passthrough" != "no"; then
2467   if test "$xen" = "yes" && test "$linux" = "yes"; then
2468     xen_pci_passthrough=yes
2469   else
2470     if test "$xen_pci_passthrough" = "yes"; then
2471       error_exit "User requested feature Xen PCI Passthrough" \
2472           " but this feature requires /sys from Linux"
2473     fi
2474     xen_pci_passthrough=no
2475   fi
2476 fi
2477
2478 if test "$xen_pv_domain_build" = "yes" &&
2479    test "$xen" != "yes"; then
2480     error_exit "User requested Xen PV domain builder support" \
2481                "which requires Xen support."
2482 fi
2483
2484 ##########################################
2485 # Windows Hypervisor Platform accelerator (WHPX) check
2486 if test "$whpx" != "no" ; then
2487     cat > $TMPC << EOF
2488 #include <windows.h>
2489 #include <winhvplatform.h>
2490 #include <winhvemulation.h>
2491 int main(void) {
2492     WHV_CAPABILITY whpx_cap;
2493     WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap));
2494     return 0;
2495 }
2496 EOF
2497     if compile_prog "" "-lwinhvplatform -lwinhvemulation" ; then
2498         libs_softmmu="$libs_softmmu -lwinhvplatform -lwinhvemulation"
2499         whpx="yes"
2500     else
2501         if test "$whpx" = "yes"; then
2502             feature_not_found "winhvplatform" "winhvemulation is not installed"
2503         fi
2504         whpx="no"
2505     fi
2506 fi
2507
2508 ##########################################
2509 # Sparse probe
2510 if test "$sparse" != "no" ; then
2511   if has cgcc; then
2512     sparse=yes
2513   else
2514     if test "$sparse" = "yes" ; then
2515       feature_not_found "sparse" "Install sparse binary"
2516     fi
2517     sparse=no
2518   fi
2519 fi
2520
2521 ##########################################
2522 # X11 probe
2523 x11_cflags=
2524 x11_libs=-lX11
2525 if $pkg_config --exists "x11"; then
2526     x11_cflags=$($pkg_config --cflags x11)
2527     x11_libs=$($pkg_config --libs x11)
2528 fi
2529
2530 ##########################################
2531 # GTK probe
2532
2533 if test "$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 >= $gtkversion"; then
2558             gtk_cflags="$gtk_cflags $x11_cflags"
2559             gtk_libs="$gtk_libs $x11_libs"
2560         fi
2561         libs_softmmu="$gtk_libs $libs_softmmu"
2562         gtk="yes"
2563     elif test "$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 $vtepackage)
2811         libs_softmmu="$vte_libs $libs_softmmu"
2812         vte="yes"
2813     elif test "$vte" = "yes"; then
2814         if test "$gtkabi" = "3.0"; then
2815             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2816         else
2817             feature_not_found "vte" "Install libvte devel"
2818         fi
2819     else
2820         vte="no"
2821     fi
2822 fi
2823
2824 ##########################################
2825 # SDL probe
2826
2827 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2828 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2829
2830 if test "$sdlabi" = ""; then
2831     if $pkg_config --exists "sdl2"; then
2832         sdlabi=2.0
2833     elif $pkg_config --exists "sdl"; then
2834         sdlabi=1.2
2835     else
2836         sdlabi=2.0
2837     fi
2838 fi
2839
2840 if test $sdlabi = "2.0"; then
2841     sdl_config=$sdl2_config
2842     sdlname=sdl2
2843     sdlconfigname=sdl2_config
2844 elif test $sdlabi = "1.2"; then
2845     sdlname=sdl
2846     sdlconfigname=sdl_config
2847 else
2848     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2849 fi
2850
2851 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2852   sdl_config=$sdlconfigname
2853 fi
2854
2855 if $pkg_config $sdlname --exists; then
2856   sdlconfig="$pkg_config $sdlname"
2857   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2858 elif has ${sdl_config}; then
2859   sdlconfig="$sdl_config"
2860   sdlversion=$($sdlconfig --version)
2861 else
2862   if test "$sdl" = "yes" ; then
2863     feature_not_found "sdl" "Install SDL2-devel"
2864   fi
2865   sdl=no
2866 fi
2867 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2868   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2869 fi
2870
2871 sdl_too_old=no
2872 if test "$sdl" != "no" ; then
2873   cat > $TMPC << EOF
2874 #include <SDL.h>
2875 #undef main /* We don't want SDL to override our main() */
2876 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2877 EOF
2878   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2879   if test "$static" = "yes" ; then
2880     if $pkg_config $sdlname --exists; then
2881       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2882     else
2883       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2884     fi
2885   else
2886     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2887   fi
2888   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2889     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2890       sdl_too_old=yes
2891     else
2892       sdl=yes
2893     fi
2894
2895     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2896     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2897       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2898          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2899          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2900       fi
2901       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2902         :
2903       else
2904         sdl=no
2905       fi
2906     fi # static link
2907   else # sdl not found
2908     if test "$sdl" = "yes" ; then
2909       feature_not_found "sdl" "Install SDL devel"
2910     fi
2911     sdl=no
2912   fi # sdl compile test
2913 fi
2914
2915 if test "$sdl" = "yes" ; then
2916   cat > $TMPC <<EOF
2917 #include <SDL.h>
2918 #if defined(SDL_VIDEO_DRIVER_X11)
2919 #include <X11/XKBlib.h>
2920 #else
2921 #error No x11 support
2922 #endif
2923 int main(void) { return 0; }
2924 EOF
2925   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2926     sdl_cflags="$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" "$curses_lib" ; then
3283         curses_found=yes
3284         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3285         libs_softmmu="$curses_lib $libs_softmmu"
3286         break
3287       fi
3288     done
3289     if test "$curses_found" = yes ; then
3290       break
3291     fi
3292   done
3293   unset IFS
3294   if test "$curses_found" = "yes" ; then
3295     curses=yes
3296   else
3297     if test "$curses" = "yes" ; then
3298       feature_not_found "curses" "Install ncurses devel"
3299     fi
3300     curses=no
3301   fi
3302 fi
3303
3304 ##########################################
3305 # curl probe
3306 if test "$curl" != "no" ; then
3307   if $pkg_config libcurl --exists; then
3308     curlconfig="$pkg_config libcurl"
3309   else
3310     curlconfig=curl-config
3311   fi
3312   cat > $TMPC << EOF
3313 #include <curl/curl.h>
3314 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3315 EOF
3316   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3317   curl_libs=$($curlconfig --libs 2>/dev/null)
3318   if compile_prog "$curl_cflags" "$curl_libs" ; then
3319     curl=yes
3320   else
3321     if test "$curl" = "yes" ; then
3322       feature_not_found "curl" "Install libcurl devel"
3323     fi
3324     curl=no
3325   fi
3326 fi # test "$curl"
3327
3328 ##########################################
3329 # bluez support probe
3330 if test "$bluez" != "no" ; then
3331   cat > $TMPC << EOF
3332 #include <bluetooth/bluetooth.h>
3333 int main(void) { return bt_error(0); }
3334 EOF
3335   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3336   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3337   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3338     bluez=yes
3339     libs_softmmu="$bluez_libs $libs_softmmu"
3340   else
3341     if test "$bluez" = "yes" ; then
3342       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3343     fi
3344     bluez="no"
3345   fi
3346 fi
3347
3348 ##########################################
3349 # glib support probe
3350
3351 if test "$mingw32" = yes; then
3352     glib_req_ver=2.30
3353 else
3354     glib_req_ver=2.22
3355 fi
3356 glib_modules=gthread-2.0
3357 if test "$modules" = yes; then
3358     glib_modules="$glib_modules gmodule-2.0"
3359 fi
3360
3361 # This workaround is required due to a bug in pkg-config file for glib as it
3362 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3363
3364 if test "$static" = yes -a "$mingw32" = yes; then
3365     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3366 fi
3367
3368 for i in $glib_modules; do
3369     if $pkg_config --atleast-version=$glib_req_ver $i; then
3370         glib_cflags=$($pkg_config --cflags $i)
3371         glib_libs=$($pkg_config --libs $i)
3372         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3373         LIBS="$glib_libs $LIBS"
3374         libs_qga="$glib_libs $libs_qga"
3375     else
3376         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3377     fi
3378 done
3379
3380 # Sanity check that the current size_t matches the
3381 # size that glib thinks it should be. This catches
3382 # problems on multi-arch where people try to build
3383 # 32-bit QEMU while pointing at 64-bit glib headers
3384 cat > $TMPC <<EOF
3385 #include <glib.h>
3386 #include <unistd.h>
3387
3388 #define QEMU_BUILD_BUG_ON(x) \
3389   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3390
3391 int main(void) {
3392    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3393    return 0;
3394 }
3395 EOF
3396
3397 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3398     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3399                "You probably need to set PKG_CONFIG_LIBDIR"\
3400                "to point to the right pkg-config files for your"\
3401                "build target"
3402 fi
3403
3404 # g_test_trap_subprocess added in 2.38. Used by some tests.
3405 glib_subprocess=yes
3406 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3407     glib_subprocess=no
3408 fi
3409
3410 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3411 cat > $TMPC << EOF
3412 #include <glib.h>
3413 int main(void) { return 0; }
3414 EOF
3415 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3416     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3417         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3418         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3419     fi
3420 fi
3421
3422 ##########################################
3423 # SHA command probe for modules
3424 if test "$modules" = yes; then
3425     shacmd_probe="sha1sum sha1 shasum"
3426     for c in $shacmd_probe; do
3427         if has $c; then
3428             shacmd="$c"
3429             break
3430         fi
3431     done
3432     if test "$shacmd" = ""; then
3433         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3434     fi
3435 fi
3436
3437 ##########################################
3438 # pixman support probe
3439
3440 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3441   pixman_cflags=
3442   pixman_libs=
3443 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3444   pixman_cflags=$($pkg_config --cflags pixman-1)
3445   pixman_libs=$($pkg_config --libs pixman-1)
3446 else
3447   error_exit "pixman >= 0.21.8 not present." \
3448       "Please install the pixman devel package."
3449 fi
3450
3451 ##########################################
3452 # libmpathpersist probe
3453
3454 if test "$mpath" != "no" ; then
3455   cat > $TMPC <<EOF
3456 #include <libudev.h>
3457 #include <mpath_persist.h>
3458 unsigned mpath_mx_alloc_len = 1024;
3459 int logsink;
3460 static struct config *multipath_conf;
3461 extern struct udev *udev;
3462 extern struct config *get_multipath_config(void);
3463 extern void put_multipath_config(struct config *conf);
3464 struct udev *udev;
3465 struct config *get_multipath_config(void) { return multipath_conf; }
3466 void put_multipath_config(struct config *conf) { }
3467
3468 int main(void) {
3469     udev = udev_new();
3470     multipath_conf = mpath_lib_init();
3471     return 0;
3472 }
3473 EOF
3474   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3475     mpathpersist=yes
3476   else
3477     mpathpersist=no
3478   fi
3479 else
3480   mpathpersist=no
3481 fi
3482
3483 ##########################################
3484 # libcap probe
3485
3486 if test "$cap" != "no" ; then
3487   cat > $TMPC <<EOF
3488 #include <stdio.h>
3489 #include <sys/capability.h>
3490 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3491 EOF
3492   if compile_prog "" "-lcap" ; then
3493     cap=yes
3494   else
3495     cap=no
3496   fi
3497 fi
3498
3499 ##########################################
3500 # pthread probe
3501 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3502
3503 pthread=no
3504 cat > $TMPC << EOF
3505 #include <pthread.h>
3506 static void *f(void *p) { return NULL; }
3507 int main(void) {
3508   pthread_t thread;
3509   pthread_create(&thread, 0, f, 0);
3510   return 0;
3511 }
3512 EOF
3513 if compile_prog "" "" ; then
3514   pthread=yes
3515 else
3516   for pthread_lib in $PTHREADLIBS_LIST; do
3517     if compile_prog "" "$pthread_lib" ; then
3518       pthread=yes
3519       found=no
3520       for lib_entry in $LIBS; do
3521         if test "$lib_entry" = "$pthread_lib"; then
3522           found=yes
3523           break
3524         fi
3525       done
3526       if test "$found" = "no"; then
3527         LIBS="$pthread_lib $LIBS"
3528         libs_qga="$pthread_lib $libs_qga"
3529       fi
3530       PTHREAD_LIB="$pthread_lib"
3531       break
3532     fi
3533   done
3534 fi
3535
3536 if test "$mingw32" != yes -a "$pthread" = no; then
3537   error_exit "pthread check failed" \
3538       "Make sure to have the pthread libs and headers installed."
3539 fi
3540
3541 # check for pthread_setname_np
3542 pthread_setname_np=no
3543 cat > $TMPC << EOF
3544 #include <pthread.h>
3545
3546 static void *f(void *p) { return NULL; }
3547 int main(void)
3548 {
3549     pthread_t thread;
3550     pthread_create(&thread, 0, f, 0);
3551     pthread_setname_np(thread, "QEMU");
3552     return 0;
3553 }
3554 EOF
3555 if compile_prog "" "$pthread_lib" ; then
3556   pthread_setname_np=yes
3557 fi
3558
3559 ##########################################
3560 # rbd probe
3561 if test "$rbd" != "no" ; then
3562   cat > $TMPC <<EOF
3563 #include <stdio.h>
3564 #include <rbd/librbd.h>
3565 int main(void) {
3566     rados_t cluster;
3567     rados_create(&cluster, NULL);
3568     return 0;
3569 }
3570 EOF
3571   rbd_libs="-lrbd -lrados"
3572   if compile_prog "" "$rbd_libs" ; then
3573     rbd=yes
3574   else
3575     if test "$rbd" = "yes" ; then
3576       feature_not_found "rados block device" "Install librbd/ceph devel"
3577     fi
3578     rbd=no
3579   fi
3580 fi
3581
3582 ##########################################
3583 # libssh2 probe
3584 min_libssh2_version=1.2.8
3585 if test "$libssh2" != "no" ; then
3586   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3587     libssh2_cflags=$($pkg_config libssh2 --cflags)
3588     libssh2_libs=$($pkg_config libssh2 --libs)
3589     libssh2=yes
3590   else
3591     if test "$libssh2" = "yes" ; then
3592       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3593     fi
3594     libssh2=no
3595   fi
3596 fi
3597
3598 ##########################################
3599 # libssh2_sftp_fsync probe
3600
3601 if test "$libssh2" = "yes"; then
3602   cat > $TMPC <<EOF
3603 #include <stdio.h>
3604 #include <libssh2.h>
3605 #include <libssh2_sftp.h>
3606 int main(void) {
3607     LIBSSH2_SESSION *session;
3608     LIBSSH2_SFTP *sftp;
3609     LIBSSH2_SFTP_HANDLE *sftp_handle;
3610     session = libssh2_session_init ();
3611     sftp = libssh2_sftp_init (session);
3612     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3613     libssh2_sftp_fsync (sftp_handle);
3614     return 0;
3615 }
3616 EOF
3617   # libssh2_cflags/libssh2_libs defined in previous test.
3618   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3619     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3620   fi
3621 fi
3622
3623 ##########################################
3624 # linux-aio probe
3625
3626 if test "$linux_aio" != "no" ; then
3627   cat > $TMPC <<EOF
3628 #include <libaio.h>
3629 #include <sys/eventfd.h>
3630 #include <stddef.h>
3631 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3632 EOF
3633   if compile_prog "" "-laio" ; then
3634     linux_aio=yes
3635   else
3636     if test "$linux_aio" = "yes" ; then
3637       feature_not_found "linux AIO" "Install libaio devel"
3638     fi
3639     linux_aio=no
3640   fi
3641 fi
3642
3643 ##########################################
3644 # TPM passthrough is only on x86 Linux
3645
3646 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3647   tpm_passthrough=$tpm
3648 else
3649   tpm_passthrough=no
3650 fi
3651
3652 # TPM emulator is for all posix systems
3653 if test "$mingw32" != "yes"; then
3654   tpm_emulator=$tpm
3655 else
3656   tpm_emulator=no
3657 fi
3658 ##########################################
3659 # attr probe
3660
3661 if test "$attr" != "no" ; then
3662   cat > $TMPC <<EOF
3663 #include <stdio.h>
3664 #include <sys/types.h>
3665 #ifdef CONFIG_LIBATTR
3666 #include <attr/xattr.h>
3667 #else
3668 #include <sys/xattr.h>
3669 #endif
3670 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3671 EOF
3672   if compile_prog "" "" ; then
3673     attr=yes
3674   # Older distros have <attr/xattr.h>, and need -lattr:
3675   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3676     attr=yes
3677     LIBS="-lattr $LIBS"
3678     libattr=yes
3679   else
3680     if test "$attr" = "yes" ; then
3681       feature_not_found "ATTR" "Install libc6 or libattr devel"
3682     fi
3683     attr=no
3684   fi
3685 fi
3686
3687 ##########################################
3688 # iovec probe
3689 cat > $TMPC <<EOF
3690 #include <sys/types.h>
3691 #include <sys/uio.h>
3692 #include <unistd.h>
3693 int main(void) { return sizeof(struct iovec); }
3694 EOF
3695 iovec=no
3696 if compile_prog "" "" ; then
3697   iovec=yes
3698 fi
3699
3700 ##########################################
3701 # preadv probe
3702 cat > $TMPC <<EOF
3703 #include <sys/types.h>
3704 #include <sys/uio.h>
3705 #include <unistd.h>
3706 int main(void) { return preadv(0, 0, 0, 0); }
3707 EOF
3708 preadv=no
3709 if compile_prog "" "" ; then
3710   preadv=yes
3711 fi
3712
3713 ##########################################
3714 # fdt probe
3715 # fdt support is mandatory for at least some target architectures,
3716 # so insist on it if we're building those system emulators.
3717 fdt_required=no
3718 for target in $target_list; do
3719   case $target in
3720     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3721       fdt_required=yes
3722     ;;
3723   esac
3724 done
3725
3726 if test "$fdt_required" = "yes"; then
3727   if test "$fdt" = "no"; then
3728     error_exit "fdt disabled but some requested targets require it." \
3729       "You can turn off fdt only if you also disable all the system emulation" \
3730       "targets which need it (by specifying a cut down --target-list)."
3731   fi
3732   fdt=yes
3733 fi
3734
3735 if test "$fdt" != "no" ; then
3736   fdt_libs="-lfdt"
3737   # explicitly check for libfdt_env.h as it is missing in some stable installs
3738   # and test for required functions to make sure we are on a version >= 1.4.2
3739   cat > $TMPC << EOF
3740 #include <libfdt.h>
3741 #include <libfdt_env.h>
3742 int main(void) { fdt_first_subnode(0, 0); return 0; }
3743 EOF
3744   if compile_prog "" "$fdt_libs" ; then
3745     # system DTC is good - use it
3746     fdt=yes
3747   else
3748       # have GIT checkout, so activate dtc submodule
3749       if test -e "${source_path}/.git" ; then
3750           git_submodules="${git_submodules} dtc"
3751       fi
3752       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3753           fdt=yes
3754           dtc_internal="yes"
3755           mkdir -p dtc
3756           if [ "$pwd_is_source_path" != "y" ] ; then
3757               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3758               symlink "$source_path/dtc/scripts" "dtc/scripts"
3759           fi
3760           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3761           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3762       elif test "$fdt" = "yes" ; then
3763           # Not a git build & no libfdt found, prompt for system install
3764           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3765                      "Please install the DTC (libfdt) devel package"
3766       else
3767           # don't have and don't want
3768           fdt_libs=
3769           fdt=no
3770       fi
3771   fi
3772 fi
3773
3774 libs_softmmu="$libs_softmmu $fdt_libs"
3775
3776 ##########################################
3777 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3778
3779 if test "$opengl" != "no" ; then
3780   opengl_pkgs="epoxy libdrm gbm"
3781   if $pkg_config $opengl_pkgs x11; then
3782     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3783     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3784     opengl=yes
3785     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3786         gtk_gl="yes"
3787     fi
3788     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3789   else
3790     if test "$opengl" = "yes" ; then
3791       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3792     fi
3793     opengl_cflags=""
3794     opengl_libs=""
3795     opengl=no
3796   fi
3797 fi
3798
3799 if test "$opengl" = "yes"; then
3800   cat > $TMPC << EOF
3801 #include <epoxy/egl.h>
3802 #ifndef EGL_MESA_image_dma_buf_export
3803 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3804 #endif
3805 int main(void) { return 0; }
3806 EOF
3807   if compile_prog "" "" ; then
3808     opengl_dmabuf=yes
3809   fi
3810 fi
3811
3812 ##########################################
3813 # libxml2 probe
3814 if test "$libxml2" != "no" ; then
3815     if $pkg_config --exists libxml-2.0; then
3816         libxml2="yes"
3817         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3818         libxml2_libs=$($pkg_config --libs libxml-2.0)
3819     else
3820         if test "$libxml2" = "yes"; then
3821             feature_not_found "libxml2" "Install libxml2 devel"
3822         fi
3823         libxml2="no"
3824     fi
3825 fi
3826
3827 ##########################################
3828 # glusterfs probe
3829 if test "$glusterfs" != "no" ; then
3830   if $pkg_config --atleast-version=3 glusterfs-api; then
3831     glusterfs="yes"
3832     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3833     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3834     if $pkg_config --atleast-version=4 glusterfs-api; then
3835       glusterfs_xlator_opt="yes"
3836     fi
3837     if $pkg_config --atleast-version=5 glusterfs-api; then
3838       glusterfs_discard="yes"
3839     fi
3840     if $pkg_config --atleast-version=6 glusterfs-api; then
3841       glusterfs_fallocate="yes"
3842       glusterfs_zerofill="yes"
3843     fi
3844   else
3845     if test "$glusterfs" = "yes" ; then
3846       feature_not_found "GlusterFS backend support" \
3847           "Install glusterfs-api devel >= 3"
3848     fi
3849     glusterfs="no"
3850   fi
3851 fi
3852
3853 # Check for inotify functions when we are building linux-user
3854 # emulator.  This is done because older glibc versions don't
3855 # have syscall stubs for these implemented.  In that case we
3856 # don't provide them even if kernel supports them.
3857 #
3858 inotify=no
3859 cat > $TMPC << EOF
3860 #include <sys/inotify.h>
3861
3862 int
3863 main(void)
3864 {
3865         /* try to start inotify */
3866         return inotify_init();
3867 }
3868 EOF
3869 if compile_prog "" "" ; then
3870   inotify=yes
3871 fi
3872
3873 inotify1=no
3874 cat > $TMPC << EOF
3875 #include <sys/inotify.h>
3876
3877 int
3878 main(void)
3879 {
3880     /* try to start inotify */
3881     return inotify_init1(0);
3882 }
3883 EOF
3884 if compile_prog "" "" ; then
3885   inotify1=yes
3886 fi
3887
3888 # check if pipe2 is there
3889 pipe2=no
3890 cat > $TMPC << EOF
3891 #include <unistd.h>
3892 #include <fcntl.h>
3893
3894 int main(void)
3895 {
3896     int pipefd[2];
3897     return pipe2(pipefd, O_CLOEXEC);
3898 }
3899 EOF
3900 if compile_prog "" "" ; then
3901   pipe2=yes
3902 fi
3903
3904 # check if accept4 is there
3905 accept4=no
3906 cat > $TMPC << EOF
3907 #include <sys/socket.h>
3908 #include <stddef.h>
3909
3910 int main(void)
3911 {
3912     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3913     return 0;
3914 }
3915 EOF
3916 if compile_prog "" "" ; then
3917   accept4=yes
3918 fi
3919
3920 # check if tee/splice is there. vmsplice was added same time.
3921 splice=no
3922 cat > $TMPC << EOF
3923 #include <unistd.h>
3924 #include <fcntl.h>
3925 #include <limits.h>
3926
3927 int main(void)
3928 {
3929     int len, fd = 0;
3930     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3931     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3932     return 0;
3933 }
3934 EOF
3935 if compile_prog "" "" ; then
3936   splice=yes
3937 fi
3938
3939 ##########################################
3940 # libnuma probe
3941
3942 if test "$numa" != "no" ; then
3943   cat > $TMPC << EOF
3944 #include <numa.h>
3945 int main(void) { return numa_available(); }
3946 EOF
3947
3948   if compile_prog "" "-lnuma" ; then
3949     numa=yes
3950     libs_softmmu="-lnuma $libs_softmmu"
3951   else
3952     if test "$numa" = "yes" ; then
3953       feature_not_found "numa" "install numactl devel"
3954     fi
3955     numa=no
3956   fi
3957 fi
3958
3959 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3960     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3961     exit 1
3962 fi
3963
3964 # Even if malloc_trim() is available, these non-libc memory allocators
3965 # do not support it.
3966 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3967     if test "$malloc_trim" = "yes" ; then
3968         echo "Disabling malloc_trim with non-libc memory allocator"
3969     fi
3970     malloc_trim="no"
3971 fi
3972
3973 #######################################
3974 # malloc_trim
3975
3976 if test "$malloc_trim" != "no" ; then
3977     cat > $TMPC << EOF
3978 #include <malloc.h>
3979 int main(void) { malloc_trim(0); return 0; }
3980 EOF
3981     if compile_prog "" "" ; then
3982         malloc_trim="yes"
3983     else
3984         malloc_trim="no"
3985     fi
3986 fi
3987
3988 ##########################################
3989 # tcmalloc probe
3990
3991 if test "$tcmalloc" = "yes" ; then
3992   cat > $TMPC << EOF
3993 #include <stdlib.h>
3994 int main(void) { malloc(1); return 0; }
3995 EOF
3996
3997   if compile_prog "" "-ltcmalloc" ; then
3998     LIBS="-ltcmalloc $LIBS"
3999   else
4000     feature_not_found "tcmalloc" "install gperftools devel"
4001   fi
4002 fi
4003
4004 ##########################################
4005 # jemalloc probe
4006
4007 if test "$jemalloc" = "yes" ; then
4008   cat > $TMPC << EOF
4009 #include <stdlib.h>
4010 int main(void) { malloc(1); return 0; }
4011 EOF
4012
4013   if compile_prog "" "-ljemalloc" ; then
4014     LIBS="-ljemalloc $LIBS"
4015   else
4016     feature_not_found "jemalloc" "install jemalloc devel"
4017   fi
4018 fi
4019
4020 ##########################################
4021 # signalfd probe
4022 signalfd="no"
4023 cat > $TMPC << EOF
4024 #include <unistd.h>
4025 #include <sys/syscall.h>
4026 #include <signal.h>
4027 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4028 EOF
4029
4030 if compile_prog "" "" ; then
4031   signalfd=yes
4032 fi
4033
4034 # check if eventfd is supported
4035 eventfd=no
4036 cat > $TMPC << EOF
4037 #include <sys/eventfd.h>
4038
4039 int main(void)
4040 {
4041     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4042 }
4043 EOF
4044 if compile_prog "" "" ; then
4045   eventfd=yes
4046 fi
4047
4048 # check if memfd is supported
4049 memfd=no
4050 cat > $TMPC << EOF
4051 #include <sys/mman.h>
4052
4053 int main(void)
4054 {
4055     return memfd_create("foo", MFD_ALLOW_SEALING);
4056 }
4057 EOF
4058 if compile_prog "" "" ; then
4059   memfd=yes
4060 fi
4061
4062
4063
4064 # check for fallocate
4065 fallocate=no
4066 cat > $TMPC << EOF
4067 #include <fcntl.h>
4068
4069 int main(void)
4070 {
4071     fallocate(0, 0, 0, 0);
4072     return 0;
4073 }
4074 EOF
4075 if compile_prog "" "" ; then
4076   fallocate=yes
4077 fi
4078
4079 # check for fallocate hole punching
4080 fallocate_punch_hole=no
4081 cat > $TMPC << EOF
4082 #include <fcntl.h>
4083 #include <linux/falloc.h>
4084
4085 int main(void)
4086 {
4087     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4088     return 0;
4089 }
4090 EOF
4091 if compile_prog "" "" ; then
4092   fallocate_punch_hole=yes
4093 fi
4094
4095 # check that fallocate supports range zeroing inside the file
4096 fallocate_zero_range=no
4097 cat > $TMPC << EOF
4098 #include <fcntl.h>
4099 #include <linux/falloc.h>
4100
4101 int main(void)
4102 {
4103     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4104     return 0;
4105 }
4106 EOF
4107 if compile_prog "" "" ; then
4108   fallocate_zero_range=yes
4109 fi
4110
4111 # check for posix_fallocate
4112 posix_fallocate=no
4113 cat > $TMPC << EOF
4114 #include <fcntl.h>
4115
4116 int main(void)
4117 {
4118     posix_fallocate(0, 0, 0);
4119     return 0;
4120 }
4121 EOF
4122 if compile_prog "" "" ; then
4123     posix_fallocate=yes
4124 fi
4125
4126 # check for sync_file_range
4127 sync_file_range=no
4128 cat > $TMPC << EOF
4129 #include <fcntl.h>
4130
4131 int main(void)
4132 {
4133     sync_file_range(0, 0, 0, 0);
4134     return 0;
4135 }
4136 EOF
4137 if compile_prog "" "" ; then
4138   sync_file_range=yes
4139 fi
4140
4141 # check for linux/fiemap.h and FS_IOC_FIEMAP
4142 fiemap=no
4143 cat > $TMPC << EOF
4144 #include <sys/ioctl.h>
4145 #include <linux/fs.h>
4146 #include <linux/fiemap.h>
4147
4148 int main(void)
4149 {
4150     ioctl(0, FS_IOC_FIEMAP, 0);
4151     return 0;
4152 }
4153 EOF
4154 if compile_prog "" "" ; then
4155   fiemap=yes
4156 fi
4157
4158 # check for dup3
4159 dup3=no
4160 cat > $TMPC << EOF
4161 #include <unistd.h>
4162
4163 int main(void)
4164 {
4165     dup3(0, 0, 0);
4166     return 0;
4167 }
4168 EOF
4169 if compile_prog "" "" ; then
4170   dup3=yes
4171 fi
4172
4173 # check for ppoll support
4174 ppoll=no
4175 cat > $TMPC << EOF
4176 #include <poll.h>
4177
4178 int main(void)
4179 {
4180     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4181     ppoll(&pfd, 1, 0, 0);
4182     return 0;
4183 }
4184 EOF
4185 if compile_prog "" "" ; then
4186   ppoll=yes
4187 fi
4188
4189 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4190 prctl_pr_set_timerslack=no
4191 cat > $TMPC << EOF
4192 #include <sys/prctl.h>
4193
4194 int main(void)
4195 {
4196     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4197     return 0;
4198 }
4199 EOF
4200 if compile_prog "" "" ; then
4201   prctl_pr_set_timerslack=yes
4202 fi
4203
4204 # check for epoll support
4205 epoll=no
4206 cat > $TMPC << EOF
4207 #include <sys/epoll.h>
4208
4209 int main(void)
4210 {
4211     epoll_create(0);
4212     return 0;
4213 }
4214 EOF
4215 if compile_prog "" "" ; then
4216   epoll=yes
4217 fi
4218
4219 # epoll_create1 is a later addition
4220 # so we must check separately for its presence
4221 epoll_create1=no
4222 cat > $TMPC << EOF
4223 #include <sys/epoll.h>
4224
4225 int main(void)
4226 {
4227     /* Note that we use epoll_create1 as a value, not as
4228      * a function being called. This is necessary so that on
4229      * old SPARC glibc versions where the function was present in
4230      * the library but not declared in the header file we will
4231      * fail the configure check. (Otherwise we will get a compiler
4232      * warning but not an error, and will proceed to fail the
4233      * qemu compile where we compile with -Werror.)
4234      */
4235     return (int)(uintptr_t)&epoll_create1;
4236 }
4237 EOF
4238 if compile_prog "" "" ; then
4239   epoll_create1=yes
4240 fi
4241
4242 # check for sendfile support
4243 sendfile=no
4244 cat > $TMPC << EOF
4245 #include <sys/sendfile.h>
4246
4247 int main(void)
4248 {
4249     return sendfile(0, 0, 0, 0);
4250 }
4251 EOF
4252 if compile_prog "" "" ; then
4253   sendfile=yes
4254 fi
4255
4256 # check for timerfd support (glibc 2.8 and newer)
4257 timerfd=no
4258 cat > $TMPC << EOF
4259 #include <sys/timerfd.h>
4260
4261 int main(void)
4262 {
4263     return(timerfd_create(CLOCK_REALTIME, 0));
4264 }
4265 EOF
4266 if compile_prog "" "" ; then
4267   timerfd=yes
4268 fi
4269
4270 # check for setns and unshare support
4271 setns=no
4272 cat > $TMPC << EOF
4273 #include <sched.h>
4274
4275 int main(void)
4276 {
4277     int ret;
4278     ret = setns(0, 0);
4279     ret = unshare(0);
4280     return ret;
4281 }
4282 EOF
4283 if compile_prog "" "" ; then
4284   setns=yes
4285 fi
4286
4287 # clock_adjtime probe
4288 clock_adjtime=no
4289 cat > $TMPC <<EOF
4290 #include <time.h>
4291
4292 int main(void)
4293 {
4294     return clock_adjtime(0, 0);
4295 }
4296 EOF
4297 clock_adjtime=no
4298 if compile_prog "" "" ; then
4299   clock_adjtime=yes
4300 fi
4301
4302 # syncfs probe
4303 syncfs=no
4304 cat > $TMPC <<EOF
4305 #include <unistd.h>
4306
4307 int main(void)
4308 {
4309     return syncfs(0);
4310 }
4311 EOF
4312 syncfs=no
4313 if compile_prog "" "" ; then
4314   syncfs=yes
4315 fi
4316
4317 # Check if tools are available to build documentation.
4318 if test "$docs" != "no" ; then
4319   if has makeinfo && has pod2man; then
4320     docs=yes
4321   else
4322     if test "$docs" = "yes" ; then
4323       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4324     fi
4325     docs=no
4326   fi
4327 fi
4328
4329 # Search for bswap_32 function
4330 byteswap_h=no
4331 cat > $TMPC << EOF
4332 #include <byteswap.h>
4333 int main(void) { return bswap_32(0); }
4334 EOF
4335 if compile_prog "" "" ; then
4336   byteswap_h=yes
4337 fi
4338
4339 # Search for bswap32 function
4340 bswap_h=no
4341 cat > $TMPC << EOF
4342 #include <sys/endian.h>
4343 #include <sys/types.h>
4344 #include <machine/bswap.h>
4345 int main(void) { return bswap32(0); }
4346 EOF
4347 if compile_prog "" "" ; then
4348   bswap_h=yes
4349 fi
4350
4351 ##########################################
4352 # Do we have libiscsi >= 1.9.0
4353 if test "$libiscsi" != "no" ; then
4354   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4355     libiscsi="yes"
4356     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4357     libiscsi_libs=$($pkg_config --libs libiscsi)
4358   else
4359     if test "$libiscsi" = "yes" ; then
4360       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4361     fi
4362     libiscsi="no"
4363   fi
4364 fi
4365
4366 ##########################################
4367 # Do we need libm
4368 cat > $TMPC << EOF
4369 #include <math.h>
4370 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4371 EOF
4372 if compile_prog "" "" ; then
4373   :
4374 elif compile_prog "" "-lm" ; then
4375   LIBS="-lm $LIBS"
4376   libs_qga="-lm $libs_qga"
4377 else
4378   error_exit "libm check failed"
4379 fi
4380
4381 ##########################################
4382 # Do we need librt
4383 # uClibc provides 2 versions of clock_gettime(), one with realtime
4384 # support and one without. This means that the clock_gettime() don't
4385 # need -lrt. We still need it for timer_create() so we check for this
4386 # function in addition.
4387 cat > $TMPC <<EOF
4388 #include <signal.h>
4389 #include <time.h>
4390 int main(void) {
4391   timer_create(CLOCK_REALTIME, NULL, NULL);
4392   return clock_gettime(CLOCK_REALTIME, NULL);
4393 }
4394 EOF
4395
4396 if compile_prog "" "" ; then
4397   :
4398 # we need pthread for static linking. use previous pthread test result
4399 elif compile_prog "" "$pthread_lib -lrt" ; then
4400   LIBS="$LIBS -lrt"
4401   libs_qga="$libs_qga -lrt"
4402 fi
4403
4404 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4405         "$haiku" != "yes" ; then
4406     libs_softmmu="-lutil $libs_softmmu"
4407 fi
4408
4409 ##########################################
4410 # spice probe
4411 if test "$spice" != "no" ; then
4412   cat > $TMPC << EOF
4413 #include <spice.h>
4414 int main(void) { spice_server_new(); return 0; }
4415 EOF
4416   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4417   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4418   if $pkg_config --atleast-version=0.12.0 spice-server && \
4419      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4420      compile_prog "$spice_cflags" "$spice_libs" ; then
4421     spice="yes"
4422     libs_softmmu="$libs_softmmu $spice_libs"
4423     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4424     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4425     spice_server_version=$($pkg_config --modversion spice-server)
4426   else
4427     if test "$spice" = "yes" ; then
4428       feature_not_found "spice" \
4429           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4430     fi
4431     spice="no"
4432   fi
4433 fi
4434
4435 # check for smartcard support
4436 if test "$smartcard" != "no"; then
4437     if $pkg_config libcacard; then
4438         libcacard_cflags=$($pkg_config --cflags libcacard)
4439         libcacard_libs=$($pkg_config --libs libcacard)
4440         smartcard="yes"
4441     else
4442         if test "$smartcard" = "yes"; then
4443             feature_not_found "smartcard" "Install libcacard devel"
4444         fi
4445         smartcard="no"
4446     fi
4447 fi
4448
4449 # check for libusb
4450 if test "$libusb" != "no" ; then
4451     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4452         libusb="yes"
4453         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4454         libusb_libs=$($pkg_config --libs libusb-1.0)
4455     else
4456         if test "$libusb" = "yes"; then
4457             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4458         fi
4459         libusb="no"
4460     fi
4461 fi
4462
4463 # check for usbredirparser for usb network redirection support
4464 if test "$usb_redir" != "no" ; then
4465     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4466         usb_redir="yes"
4467         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4468         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4469     else
4470         if test "$usb_redir" = "yes"; then
4471             feature_not_found "usb-redir" "Install usbredir devel"
4472         fi
4473         usb_redir="no"
4474     fi
4475 fi
4476
4477 ##########################################
4478 # check if we have VSS SDK headers for win
4479
4480 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4481   case "$vss_win32_sdk" in
4482     "")   vss_win32_include="-isystem $source_path" ;;
4483     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4484           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4485           vss_win32_include="-isystem $source_path/.sdk/vss"
4486           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4487           ;;
4488     *)    vss_win32_include="-isystem $vss_win32_sdk"
4489   esac
4490   cat > $TMPC << EOF
4491 #define __MIDL_user_allocate_free_DEFINED__
4492 #include <inc/win2003/vss.h>
4493 int main(void) { return VSS_CTX_BACKUP; }
4494 EOF
4495   if compile_prog "$vss_win32_include" "" ; then
4496     guest_agent_with_vss="yes"
4497     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4498     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4499     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4500   else
4501     if test "$vss_win32_sdk" != "" ; then
4502       echo "ERROR: Please download and install Microsoft VSS SDK:"
4503       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4504       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4505       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4506       echo "ERROR: The headers are extracted in the directory \`inc'."
4507       feature_not_found "VSS support"
4508     fi
4509     guest_agent_with_vss="no"
4510   fi
4511 fi
4512
4513 ##########################################
4514 # lookup Windows platform SDK (if not specified)
4515 # The SDK is needed only to build .tlb (type library) file of guest agent
4516 # VSS provider from the source. It is usually unnecessary because the
4517 # pre-compiled .tlb file is included.
4518
4519 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4520   if test -z "$win_sdk"; then
4521     programfiles="$PROGRAMFILES"
4522     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4523     if test -n "$programfiles"; then
4524       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4525     else
4526       feature_not_found "Windows SDK"
4527     fi
4528   elif test "$win_sdk" = "no"; then
4529     win_sdk=""
4530   fi
4531 fi
4532
4533 ##########################################
4534 # check if mingw environment provides a recent ntddscsi.h
4535 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4536   cat > $TMPC << EOF
4537 #include <windows.h>
4538 #include <ntddscsi.h>
4539 int main(void) {
4540 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4541 #error Missing required ioctl definitions
4542 #endif
4543   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4544   return addr.Lun;
4545 }
4546 EOF
4547   if compile_prog "" "" ; then
4548     guest_agent_ntddscsi=yes
4549     libs_qga="-lsetupapi $libs_qga"
4550   fi
4551 fi
4552
4553 ##########################################
4554 # virgl renderer probe
4555
4556 if test "$virglrenderer" != "no" ; then
4557   cat > $TMPC << EOF
4558 #include <virglrenderer.h>
4559 int main(void) { virgl_renderer_poll(); return 0; }
4560 EOF
4561   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4562   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4563   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4564      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4565     virglrenderer="yes"
4566   else
4567     if test "$virglrenderer" = "yes" ; then
4568       feature_not_found "virglrenderer"
4569     fi
4570     virglrenderer="no"
4571   fi
4572 fi
4573
4574 ##########################################
4575 # capstone
4576
4577 case "$capstone" in
4578   "" | yes)
4579     if $pkg_config capstone; then
4580       capstone=system
4581     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4582       capstone=git
4583     elif test -e "${source_path}/capstone/Makefile" ; then
4584       capstone=internal
4585     elif test -z "$capstone" ; then
4586       capstone=no
4587     else
4588       feature_not_found "capstone" "Install capstone devel or git submodule"
4589     fi
4590     ;;
4591
4592   system)
4593     if ! $pkg_config capstone; then
4594       feature_not_found "capstone" "Install capstone devel"
4595     fi
4596     ;;
4597 esac
4598
4599 case "$capstone" in
4600   git | internal)
4601     if test "$capstone" = git; then
4602       git_submodules="${git_submodules} capstone"
4603     fi
4604     mkdir -p capstone
4605     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4606     if test "$mingw32" = "yes"; then
4607       LIBCAPSTONE=capstone.lib
4608     else
4609       LIBCAPSTONE=libcapstone.a
4610     fi
4611     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4612     ;;
4613
4614   system)
4615     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4616     LIBS="$($pkg_config --libs capstone) $LIBS"
4617     ;;
4618
4619   no)
4620     ;;
4621   *)
4622     error_exit "Unknown state for capstone: $capstone"
4623     ;;
4624 esac
4625
4626 ##########################################
4627 # check if we have fdatasync
4628
4629 fdatasync=no
4630 cat > $TMPC << EOF
4631 #include <unistd.h>
4632 int main(void) {
4633 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4634 return fdatasync(0);
4635 #else
4636 #error Not supported
4637 #endif
4638 }
4639 EOF
4640 if compile_prog "" "" ; then
4641     fdatasync=yes
4642 fi
4643
4644 ##########################################
4645 # check if we have madvise
4646
4647 madvise=no
4648 cat > $TMPC << EOF
4649 #include <sys/types.h>
4650 #include <sys/mman.h>
4651 #include <stddef.h>
4652 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4653 EOF
4654 if compile_prog "" "" ; then
4655     madvise=yes
4656 fi
4657
4658 ##########################################
4659 # check if we have posix_madvise
4660
4661 posix_madvise=no
4662 cat > $TMPC << EOF
4663 #include <sys/mman.h>
4664 #include <stddef.h>
4665 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4666 EOF
4667 if compile_prog "" "" ; then
4668     posix_madvise=yes
4669 fi
4670
4671 ##########################################
4672 # check if we have posix_memalign()
4673
4674 posix_memalign=no
4675 cat > $TMPC << EOF
4676 #include <stdlib.h>
4677 int main(void) {
4678     void *p;
4679     return posix_memalign(&p, 8, 8);
4680 }
4681 EOF
4682 if compile_prog "" "" ; then
4683     posix_memalign=yes
4684 fi
4685
4686 ##########################################
4687 # check if we have posix_syslog
4688
4689 posix_syslog=no
4690 cat > $TMPC << EOF
4691 #include <syslog.h>
4692 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4693 EOF
4694 if compile_prog "" "" ; then
4695     posix_syslog=yes
4696 fi
4697
4698 ##########################################
4699 # check if we have sem_timedwait
4700
4701 sem_timedwait=no
4702 cat > $TMPC << EOF
4703 #include <semaphore.h>
4704 int main(void) { return sem_timedwait(0, 0); }
4705 EOF
4706 if compile_prog "" "" ; then
4707     sem_timedwait=yes
4708 fi
4709
4710 ##########################################
4711 # check if trace backend exists
4712
4713 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4714 if test "$?" -ne 0 ; then
4715   error_exit "invalid trace backends" \
4716       "Please choose supported trace backends."
4717 fi
4718
4719 ##########################################
4720 # For 'ust' backend, test if ust headers are present
4721 if have_backend "ust"; then
4722   cat > $TMPC << EOF
4723 #include <lttng/tracepoint.h>
4724 int main(void) { return 0; }
4725 EOF
4726   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4727     if $pkg_config lttng-ust --exists; then
4728       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4729     else
4730       lttng_ust_libs="-llttng-ust -ldl"
4731     fi
4732     if $pkg_config liburcu-bp --exists; then
4733       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4734     else
4735       urcu_bp_libs="-lurcu-bp"
4736     fi
4737
4738     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4739     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4740   else
4741     error_exit "Trace backend 'ust' missing lttng-ust header files"
4742   fi
4743 fi
4744
4745 ##########################################
4746 # For 'dtrace' backend, test if 'dtrace' command is present
4747 if have_backend "dtrace"; then
4748   if ! has 'dtrace' ; then
4749     error_exit "dtrace command is not found in PATH $PATH"
4750   fi
4751   trace_backend_stap="no"
4752   if has 'stap' ; then
4753     trace_backend_stap="yes"
4754   fi
4755 fi
4756
4757 ##########################################
4758 # check and set a backend for coroutine
4759
4760 # We prefer ucontext, but it's not always possible. The fallback
4761 # is sigcontext. On Windows the only valid backend is the Windows
4762 # specific one.
4763
4764 ucontext_works=no
4765 if test "$darwin" != "yes"; then
4766   cat > $TMPC << EOF
4767 #include <ucontext.h>
4768 #ifdef __stub_makecontext
4769 #error Ignoring glibc stub makecontext which will always fail
4770 #endif
4771 int main(void) { makecontext(0, 0, 0); return 0; }
4772 EOF
4773   if compile_prog "" "" ; then
4774     ucontext_works=yes
4775   fi
4776 fi
4777
4778 if test "$coroutine" = ""; then
4779   if test "$mingw32" = "yes"; then
4780     coroutine=win32
4781   elif test "$ucontext_works" = "yes"; then
4782     coroutine=ucontext
4783   else
4784     coroutine=sigaltstack
4785   fi
4786 else
4787   case $coroutine in
4788   windows)
4789     if test "$mingw32" != "yes"; then
4790       error_exit "'windows' coroutine backend only valid for Windows"
4791     fi
4792     # Unfortunately the user visible backend name doesn't match the
4793     # coroutine-*.c filename for this case, so we have to adjust it here.
4794     coroutine=win32
4795     ;;
4796   ucontext)
4797     if test "$ucontext_works" != "yes"; then
4798       feature_not_found "ucontext"
4799     fi
4800     ;;
4801   sigaltstack)
4802     if test "$mingw32" = "yes"; then
4803       error_exit "only the 'windows' coroutine backend is valid for Windows"
4804     fi
4805     ;;
4806   *)
4807     error_exit "unknown coroutine backend $coroutine"
4808     ;;
4809   esac
4810 fi
4811
4812 if test "$coroutine_pool" = ""; then
4813   coroutine_pool=yes
4814 fi
4815
4816 if test "$debug_stack_usage" = "yes"; then
4817   if test "$coroutine_pool" = "yes"; then
4818     echo "WARN: disabling coroutine pool for stack usage debugging"
4819     coroutine_pool=no
4820   fi
4821 fi
4822
4823
4824 ##########################################
4825 # check if we have open_by_handle_at
4826
4827 open_by_handle_at=no
4828 cat > $TMPC << EOF
4829 #include <fcntl.h>
4830 #if !defined(AT_EMPTY_PATH)
4831 # error missing definition
4832 #else
4833 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4834 #endif
4835 EOF
4836 if compile_prog "" "" ; then
4837     open_by_handle_at=yes
4838 fi
4839
4840 ########################################
4841 # check if we have linux/magic.h
4842
4843 linux_magic_h=no
4844 cat > $TMPC << EOF
4845 #include <linux/magic.h>
4846 int main(void) {
4847   return 0;
4848 }
4849 EOF
4850 if compile_prog "" "" ; then
4851     linux_magic_h=yes
4852 fi
4853
4854 ########################################
4855 # check whether we can disable warning option with a pragma (this is needed
4856 # to silence warnings in the headers of some versions of external libraries).
4857 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4858 # only a warning.
4859 #
4860 # If we can't selectively disable warning in the code, disable -Werror so that
4861 # the build doesn't fail anyway.
4862
4863 pragma_disable_unused_but_set=no
4864 cat > $TMPC << EOF
4865 #pragma GCC diagnostic push
4866 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4867 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4868 #pragma GCC diagnostic pop
4869
4870 int main(void) {
4871     return 0;
4872 }
4873 EOF
4874 if compile_prog "-Werror" "" ; then
4875     pragma_diagnostic_available=yes
4876 else
4877     werror=no
4878 fi
4879
4880 ########################################
4881 # check if we have valgrind/valgrind.h
4882
4883 valgrind_h=no
4884 cat > $TMPC << EOF
4885 #include <valgrind/valgrind.h>
4886 int main(void) {
4887   return 0;
4888 }
4889 EOF
4890 if compile_prog "" "" ; then
4891     valgrind_h=yes
4892 fi
4893
4894 ########################################
4895 # check if environ is declared
4896
4897 has_environ=no
4898 cat > $TMPC << EOF
4899 #include <unistd.h>
4900 int main(void) {
4901     environ = 0;
4902     return 0;
4903 }
4904 EOF
4905 if compile_prog "" "" ; then
4906     has_environ=yes
4907 fi
4908
4909 ########################################
4910 # check if cpuid.h is usable.
4911
4912 cat > $TMPC << EOF
4913 #include <cpuid.h>
4914 int main(void) {
4915     unsigned a, b, c, d;
4916     int max = __get_cpuid_max(0, 0);
4917
4918     if (max >= 1) {
4919         __cpuid(1, a, b, c, d);
4920     }
4921
4922     if (max >= 7) {
4923         __cpuid_count(7, 0, a, b, c, d);
4924     }
4925
4926     return 0;
4927 }
4928 EOF
4929 if compile_prog "" "" ; then
4930     cpuid_h=yes
4931 fi
4932
4933 ##########################################
4934 # avx2 optimization requirement check
4935 #
4936 # There is no point enabling this if cpuid.h is not usable,
4937 # since we won't be able to select the new routines.
4938
4939 if test $cpuid_h = yes; then
4940   cat > $TMPC << EOF
4941 #pragma GCC push_options
4942 #pragma GCC target("avx2")
4943 #include <cpuid.h>
4944 #include <immintrin.h>
4945 static int bar(void *a) {
4946     __m256i x = *(__m256i *)a;
4947     return _mm256_testz_si256(x, x);
4948 }
4949 int main(int argc, char *argv[]) { return bar(argv[0]); }
4950 EOF
4951   if compile_object "" ; then
4952     avx2_opt="yes"
4953   fi
4954 fi
4955
4956 ########################################
4957 # check if __[u]int128_t is usable.
4958
4959 int128=no
4960 cat > $TMPC << EOF
4961 #if defined(__clang_major__) && defined(__clang_minor__)
4962 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4963 #  error __int128_t does not work in CLANG before 3.2
4964 # endif
4965 #endif
4966 __int128_t a;
4967 __uint128_t b;
4968 int main (void) {
4969   a = a + b;
4970   b = a * b;
4971   a = a * a;
4972   return 0;
4973 }
4974 EOF
4975 if compile_prog "" "" ; then
4976     int128=yes
4977 fi
4978
4979 #########################################
4980 # See if 128-bit atomic operations are supported.
4981
4982 atomic128=no
4983 if test "$int128" = "yes"; then
4984   cat > $TMPC << EOF
4985 int main(void)
4986 {
4987   unsigned __int128 x = 0, y = 0;
4988   y = __atomic_load_16(&x, 0);
4989   __atomic_store_16(&x, y, 0);
4990   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4991   return 0;
4992 }
4993 EOF
4994   if compile_prog "" "" ; then
4995     atomic128=yes
4996   fi
4997 fi
4998
4999 #########################################
5000 # See if 64-bit atomic operations are supported.
5001 # Note that without __atomic builtins, we can only
5002 # assume atomic loads/stores max at pointer size.
5003
5004 cat > $TMPC << EOF
5005 #include <stdint.h>
5006 int main(void)
5007 {
5008   uint64_t x = 0, y = 0;
5009 #ifdef __ATOMIC_RELAXED
5010   y = __atomic_load_8(&x, 0);
5011   __atomic_store_8(&x, y, 0);
5012   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5013   __atomic_exchange_8(&x, y, 0);
5014   __atomic_fetch_add_8(&x, y, 0);
5015 #else
5016   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5017   __sync_lock_test_and_set(&x, y);
5018   __sync_val_compare_and_swap(&x, y, 0);
5019   __sync_fetch_and_add(&x, y);
5020 #endif
5021   return 0;
5022 }
5023 EOF
5024 if compile_prog "" "" ; then
5025   atomic64=yes
5026 fi
5027
5028 ########################################
5029 # See if 16-byte vector operations are supported.
5030 # Even without a vector unit the compiler may expand these.
5031 # There is a bug in old GCC for PPC that crashes here.
5032 # Unfortunately it's the system compiler for Centos 7.
5033
5034 cat > $TMPC << EOF
5035 typedef unsigned char U1 __attribute__((vector_size(16)));
5036 typedef unsigned short U2 __attribute__((vector_size(16)));
5037 typedef unsigned int U4 __attribute__((vector_size(16)));
5038 typedef unsigned long long U8 __attribute__((vector_size(16)));
5039 typedef signed char S1 __attribute__((vector_size(16)));
5040 typedef signed short S2 __attribute__((vector_size(16)));
5041 typedef signed int S4 __attribute__((vector_size(16)));
5042 typedef signed long long S8 __attribute__((vector_size(16)));
5043 static U1 a1, b1;
5044 static U2 a2, b2;
5045 static U4 a4, b4;
5046 static U8 a8, b8;
5047 static S1 c1;
5048 static S2 c2;
5049 static S4 c4;
5050 static S8 c8;
5051 static int i;
5052 int main(void)
5053 {
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 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5058   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5059   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5060   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5061   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5062   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5063   return 0;
5064 }
5065 EOF
5066
5067 vector16=no
5068 if compile_prog "" "" ; then
5069   vector16=yes
5070 fi
5071
5072 ########################################
5073 # check if getauxval is available.
5074
5075 getauxval=no
5076 cat > $TMPC << EOF
5077 #include <sys/auxv.h>
5078 int main(void) {
5079   return getauxval(AT_HWCAP) == 0;
5080 }
5081 EOF
5082 if compile_prog "" "" ; then
5083     getauxval=yes
5084 fi
5085
5086 ########################################
5087 # check if ccache is interfering with
5088 # semantic analysis of macros
5089
5090 unset CCACHE_CPP2
5091 ccache_cpp2=no
5092 cat > $TMPC << EOF
5093 static const int Z = 1;
5094 #define fn() ({ Z; })
5095 #define TAUT(X) ((X) == Z)
5096 #define PAREN(X, Y) (X == Y)
5097 #define ID(X) (X)
5098 int main(int argc, char *argv[])
5099 {
5100     int x = 0, y = 0;
5101     x = ID(x);
5102     x = fn();
5103     fn();
5104     if (PAREN(x, y)) return 0;
5105     if (TAUT(Z)) return 0;
5106     return 0;
5107 }
5108 EOF
5109
5110 if ! compile_object "-Werror"; then
5111     ccache_cpp2=yes
5112 fi
5113
5114 #################################################
5115 # clang does not support glibc + FORTIFY_SOURCE.
5116
5117 if test "$fortify_source" != "no"; then
5118   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5119     fortify_source="no";
5120   elif test -n "$cxx" && has $cxx &&
5121        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5122     fortify_source="no";
5123   else
5124     fortify_source="yes"
5125   fi
5126 fi
5127
5128 ##########################################
5129 # check if struct fsxattr is available via linux/fs.h
5130
5131 have_fsxattr=no
5132 cat > $TMPC << EOF
5133 #include <linux/fs.h>
5134 struct fsxattr foo;
5135 int main(void) {
5136   return 0;
5137 }
5138 EOF
5139 if compile_prog "" "" ; then
5140     have_fsxattr=yes
5141 fi
5142
5143 ##########################################
5144 # check if rtnetlink.h exists and is useful
5145 have_rtnetlink=no
5146 cat > $TMPC << EOF
5147 #include <linux/rtnetlink.h>
5148 int main(void) {
5149   return IFLA_PROTO_DOWN;
5150 }
5151 EOF
5152 if compile_prog "" "" ; then
5153     have_rtnetlink=yes
5154 fi
5155
5156 ##########################################
5157 # check for usable AF_VSOCK environment
5158 have_af_vsock=no
5159 cat > $TMPC << EOF
5160 #include <errno.h>
5161 #include <sys/types.h>
5162 #include <sys/socket.h>
5163 #if !defined(AF_VSOCK)
5164 # error missing AF_VSOCK flag
5165 #endif
5166 #include <linux/vm_sockets.h>
5167 int main(void) {
5168     int sock, ret;
5169     struct sockaddr_vm svm;
5170     socklen_t len = sizeof(svm);
5171     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5172     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5173     if ((ret == -1) && (errno == ENOTCONN)) {
5174         return 0;
5175     }
5176     return -1;
5177 }
5178 EOF
5179 if compile_prog "" "" ; then
5180     have_af_vsock=yes
5181 fi
5182
5183 ##########################################
5184 # check for usable AF_ALG environment
5185 hava_afalg=no
5186 cat > $TMPC << EOF
5187 #include <errno.h>
5188 #include <sys/types.h>
5189 #include <sys/socket.h>
5190 #include <linux/if_alg.h>
5191 int main(void) {
5192     int sock;
5193     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5194     return sock;
5195 }
5196 EOF
5197 if compile_prog "" "" ; then
5198     have_afalg=yes
5199 fi
5200 if test "$crypto_afalg" = "yes"
5201 then
5202     if test "$have_afalg" != "yes"
5203     then
5204         error_exit "AF_ALG requested but could not be detected"
5205     fi
5206 fi
5207
5208
5209 #################################################
5210 # Check to see if we have the Hypervisor framework
5211 if [ "$darwin" = "yes" ] ; then
5212   cat > $TMPC << EOF
5213 #include <Hypervisor/hv.h>
5214 int main() { return 0;}
5215 EOF
5216   if ! compile_object ""; then
5217     hvf='no'
5218   else
5219     hvf='yes'
5220     LDFLAGS="-framework Hypervisor $LDFLAGS"
5221   fi
5222 fi
5223
5224 #################################################
5225 # Sparc implicitly links with --relax, which is
5226 # incompatible with -r, so --no-relax should be
5227 # given. It does no harm to give it on other
5228 # platforms too.
5229
5230 # Note: the prototype is needed since QEMU_CFLAGS
5231 #       contains -Wmissing-prototypes
5232 cat > $TMPC << EOF
5233 extern int foo(void);
5234 int foo(void) { return 0; }
5235 EOF
5236 if ! compile_object ""; then
5237   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5238 fi
5239 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5240   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5241     LD_REL_FLAGS=$i
5242     break
5243   fi
5244 done
5245 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5246   feature_not_found "modules" "Cannot find how to build relocatable objects"
5247 fi
5248
5249 ##########################################
5250 # check for sysmacros.h
5251
5252 have_sysmacros=no
5253 cat > $TMPC << EOF
5254 #include <sys/sysmacros.h>
5255 int main(void) {
5256     return makedev(0, 0);
5257 }
5258 EOF
5259 if compile_prog "" "" ; then
5260     have_sysmacros=yes
5261 fi
5262
5263 ##########################################
5264 # Veritas HyperScale block driver VxHS
5265 # Check if libvxhs is installed
5266
5267 if test "$vxhs" != "no" ; then
5268   cat > $TMPC <<EOF
5269 #include <stdint.h>
5270 #include <qnio/qnio_api.h>
5271
5272 void *vxhs_callback;
5273
5274 int main(void) {
5275     iio_init(QNIO_VERSION, vxhs_callback);
5276     return 0;
5277 }
5278 EOF
5279   vxhs_libs="-lvxhs -lssl"
5280   if compile_prog "" "$vxhs_libs" ; then
5281     vxhs=yes
5282   else
5283     if test "$vxhs" = "yes" ; then
5284       feature_not_found "vxhs block device" "Install libvxhs See github"
5285     fi
5286     vxhs=no
5287   fi
5288 fi
5289
5290 ##########################################
5291 # check for _Static_assert()
5292
5293 have_static_assert=no
5294 cat > $TMPC << EOF
5295 _Static_assert(1, "success");
5296 int main(void) {
5297     return 0;
5298 }
5299 EOF
5300 if compile_prog "" "" ; then
5301     have_static_assert=yes
5302 fi
5303
5304 ##########################################
5305 # check for utmpx.h, it is missing e.g. on OpenBSD
5306
5307 have_utmpx=no
5308 cat > $TMPC << EOF
5309 #include <utmpx.h>
5310 struct utmpx user_info;
5311 int main(void) {
5312     return 0;
5313 }
5314 EOF
5315 if compile_prog "" "" ; then
5316     have_utmpx=yes
5317 fi
5318
5319 ##########################################
5320 # checks for sanitizers
5321
5322 # we could use a simple skeleton for flags checks, but this also
5323 # detect the static linking issue of ubsan, see also:
5324 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5325 cat > $TMPC << EOF
5326 #include <stdint.h>
5327 int main(void) {
5328   return INT32_MIN / -1;
5329 }
5330 EOF
5331
5332 have_asan=no
5333 have_ubsan=no
5334 have_asan_iface_h=no
5335 have_asan_iface_fiber=no
5336
5337 if test "$sanitizers" = "yes" ; then
5338   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5339       have_asan=yes
5340   fi
5341   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5342       have_ubsan=yes
5343   fi
5344
5345   if check_include "sanitizer/asan_interface.h" ; then
5346       have_asan_iface_h=yes
5347   fi
5348
5349   cat > $TMPC << EOF
5350 #include <sanitizer/asan_interface.h>
5351 int main(void) {
5352   __sanitizer_start_switch_fiber(0, 0, 0);
5353   return 0;
5354 }
5355 EOF
5356   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5357       have_asan_iface_fiber=yes
5358   fi
5359 fi
5360
5361 ##########################################
5362 # End of CC checks
5363 # After here, no more $cc or $ld runs
5364
5365 write_c_skeleton
5366
5367 if test "$gcov" = "yes" ; then
5368   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5369   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5370 elif test "$fortify_source" = "yes" ; then
5371   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5372 elif test "$debug" = "yes"; then
5373   if compile_prog "-Og" ""; then
5374       CFLAGS="-Og $CFLAGS"
5375   elif compile_prog "-O1" ""; then
5376       CFLAGS="-O1 $CFLAGS"
5377   fi
5378   # Workaround GCC false-positive Wuninitialized bugs with Og or O1:
5379   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639
5380   if cc_has_warning_flag "-Wno-maybe-uninitialized"; then
5381       CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
5382   fi
5383 else
5384     CFLAGS="-O2 $CFLAGS"
5385 fi
5386
5387 if test "$have_asan" = "yes"; then
5388   CFLAGS="-fsanitize=address $CFLAGS"
5389   if test "$have_asan_iface_h" = "no" ; then
5390       echo "ASAN build enabled, but ASAN header missing." \
5391            "Without code annotation, the report may be inferior."
5392   elif test "$have_asan_iface_fiber" = "no" ; then
5393       echo "ASAN build enabled, but ASAN header is too old." \
5394            "Without code annotation, the report may be inferior."
5395   fi
5396 fi
5397 if test "$have_ubsan" = "yes"; then
5398   CFLAGS="-fsanitize=undefined $CFLAGS"
5399 fi
5400
5401 ##########################################
5402 # Do we have libnfs
5403 if test "$libnfs" != "no" ; then
5404   if $pkg_config --atleast-version=1.9.3 libnfs; then
5405     libnfs="yes"
5406     libnfs_libs=$($pkg_config --libs libnfs)
5407   else
5408     if test "$libnfs" = "yes" ; then
5409       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5410     fi
5411     libnfs="no"
5412   fi
5413 fi
5414
5415 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5416 if test "$werror" = "yes"; then
5417     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5418 fi
5419
5420 if test "$solaris" = "no" ; then
5421     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5422         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5423     fi
5424 fi
5425
5426 # test if pod2man has --utf8 option
5427 if pod2man --help | grep -q utf8; then
5428     POD2MAN="pod2man --utf8"
5429 else
5430     POD2MAN="pod2man"
5431 fi
5432
5433 # Use ASLR, no-SEH and DEP if available
5434 if test "$mingw32" = "yes" ; then
5435     for flag in --dynamicbase --no-seh --nxcompat; do
5436         if ld_has $flag ; then
5437             LDFLAGS="-Wl,$flag $LDFLAGS"
5438         fi
5439     done
5440 fi
5441
5442 qemu_confdir=$sysconfdir$confsuffix
5443 qemu_moddir=$libdir$confsuffix
5444 qemu_datadir=$datadir$confsuffix
5445 qemu_localedir="$datadir/locale"
5446
5447 # We can only support ivshmem if we have eventfd
5448 if [ "$eventfd" = "yes" ]; then
5449   ivshmem=yes
5450 fi
5451
5452 tools=""
5453 if test "$want_tools" = "yes" ; then
5454   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5455   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5456     tools="qemu-nbd\$(EXESUF) $tools"
5457   fi
5458   if [ "$ivshmem" = "yes" ]; then
5459     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5460   fi
5461 fi
5462 if test "$softmmu" = yes ; then
5463   if test "$linux" = yes; then
5464     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5465       virtfs=yes
5466       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5467     else
5468       if test "$virtfs" = yes; then
5469         error_exit "VirtFS requires libcap devel and libattr devel"
5470       fi
5471       virtfs=no
5472     fi
5473     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5474       mpath=yes
5475     else
5476       if test "$mpath" = yes; then
5477         error_exit "Multipath requires libmpathpersist devel"
5478       fi
5479       mpath=no
5480     fi
5481     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5482   else
5483     if test "$virtfs" = yes; then
5484       error_exit "VirtFS is supported only on Linux"
5485     fi
5486     virtfs=no
5487     if test "$mpath" = yes; then
5488       error_exit "Multipath is supported only on Linux"
5489     fi
5490     mpath=no
5491   fi
5492   if test "$xkbcommon" = "yes"; then
5493     tools="qemu-keymap\$(EXESUF) $tools"
5494   fi
5495 fi
5496
5497 # Probe for guest agent support/options
5498
5499 if [ "$guest_agent" != "no" ]; then
5500   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5501       tools="qemu-ga $tools"
5502       guest_agent=yes
5503   elif [ "$guest_agent" != yes ]; then
5504       guest_agent=no
5505   else
5506       error_exit "Guest agent is not supported on this platform"
5507   fi
5508 fi
5509
5510 # Guest agent Window MSI  package
5511
5512 if test "$guest_agent" != yes; then
5513   if test "$guest_agent_msi" = yes; then
5514     error_exit "MSI guest agent package requires guest agent enabled"
5515   fi
5516   guest_agent_msi=no
5517 elif test "$mingw32" != "yes"; then
5518   if test "$guest_agent_msi" = "yes"; then
5519     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5520   fi
5521   guest_agent_msi=no
5522 elif ! has wixl; then
5523   if test "$guest_agent_msi" = "yes"; then
5524     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5525   fi
5526   guest_agent_msi=no
5527 else
5528   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5529   # disabled explicitly
5530   if test "$guest_agent_msi" != "no"; then
5531     guest_agent_msi=yes
5532   fi
5533 fi
5534
5535 if test "$guest_agent_msi" = "yes"; then
5536   if test "$guest_agent_with_vss" = "yes"; then
5537     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5538   fi
5539
5540   if test "$QEMU_GA_MANUFACTURER" = ""; then
5541     QEMU_GA_MANUFACTURER=QEMU
5542   fi
5543
5544   if test "$QEMU_GA_DISTRO" = ""; then
5545     QEMU_GA_DISTRO=Linux
5546   fi
5547
5548   if test "$QEMU_GA_VERSION" = ""; then
5549       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5550   fi
5551
5552   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5553
5554   case "$cpu" in
5555   x86_64)
5556     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5557     ;;
5558   i386)
5559     QEMU_GA_MSI_ARCH="-D Arch=32"
5560     ;;
5561   *)
5562     error_exit "CPU $cpu not supported for building installation package"
5563     ;;
5564   esac
5565 fi
5566
5567 # Mac OS X ships with a broken assembler
5568 roms=
5569 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5570         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5571         "$softmmu" = yes ; then
5572     # Different host OS linkers have different ideas about the name of the ELF
5573     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5574     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5575     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5576         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5577             ld_i386_emulation="$emu"
5578             roms="optionrom"
5579             break
5580         fi
5581     done
5582 fi
5583 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5584   roms="$roms spapr-rtas"
5585 fi
5586
5587 if test "$cpu" = "s390x" ; then
5588   roms="$roms s390-ccw"
5589 fi
5590
5591 # Probe for the need for relocating the user-only binary.
5592 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5593   textseg_addr=
5594   case "$cpu" in
5595     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5596       # ??? Rationale for choosing this address
5597       textseg_addr=0x60000000
5598       ;;
5599     mips)
5600       # A 256M aligned address, high in the address space, with enough
5601       # room for the code_gen_buffer above it before the stack.
5602       textseg_addr=0x60000000
5603       ;;
5604   esac
5605   if [ -n "$textseg_addr" ]; then
5606     cat > $TMPC <<EOF
5607     int main(void) { return 0; }
5608 EOF
5609     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5610     if ! compile_prog "" "$textseg_ldflags"; then
5611       # In case ld does not support -Ttext-segment, edit the default linker
5612       # script via sed to set the .text start addr.  This is needed on FreeBSD
5613       # at least.
5614       if ! $ld --verbose >/dev/null 2>&1; then
5615         error_exit \
5616             "We need to link the QEMU user mode binaries at a" \
5617             "specific text address. Unfortunately your linker" \
5618             "doesn't support either the -Ttext-segment option or" \
5619             "printing the default linker script with --verbose." \
5620             "If you don't want the user mode binaries, pass the" \
5621             "--disable-user option to configure."
5622       fi
5623
5624       $ld --verbose | sed \
5625         -e '1,/==================================================/d' \
5626         -e '/==================================================/,$d' \
5627         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5628         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5629       textseg_ldflags="-Wl,-T../config-host.ld"
5630     fi
5631   fi
5632 fi
5633
5634 # Check that the C++ compiler exists and works with the C compiler.
5635 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5636 if has $cxx; then
5637     cat > $TMPC <<EOF
5638 int c_function(void);
5639 int main(void) { return c_function(); }
5640 EOF
5641
5642     compile_object
5643
5644     cat > $TMPCXX <<EOF
5645 extern "C" {
5646    int c_function(void);
5647 }
5648 int c_function(void) { return 42; }
5649 EOF
5650
5651     update_cxxflags
5652
5653     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5654         # C++ compiler $cxx works ok with C compiler $cc
5655         :
5656     else
5657         echo "C++ compiler $cxx does not work with C compiler $cc"
5658         echo "Disabling C++ specific optional code"
5659         cxx=
5660     fi
5661 else
5662     echo "No C++ compiler available; disabling C++ specific optional code"
5663     cxx=
5664 fi
5665
5666 echo_version() {
5667     if test "$1" = "yes" ; then
5668         echo "($2)"
5669     fi
5670 }
5671
5672 # prepend pixman and ftd flags after all config tests are done
5673 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5674 libs_softmmu="$pixman_libs $libs_softmmu"
5675
5676 echo "Install prefix    $prefix"
5677 echo "BIOS directory    $(eval echo $qemu_datadir)"
5678 echo "firmware path     $(eval echo $firmwarepath)"
5679 echo "binary directory  $(eval echo $bindir)"
5680 echo "library directory $(eval echo $libdir)"
5681 echo "module directory  $(eval echo $qemu_moddir)"
5682 echo "libexec directory $(eval echo $libexecdir)"
5683 echo "include directory $(eval echo $includedir)"
5684 echo "config directory  $(eval echo $sysconfdir)"
5685 if test "$mingw32" = "no" ; then
5686 echo "local state directory   $(eval echo $local_statedir)"
5687 echo "Manual directory  $(eval echo $mandir)"
5688 echo "ELF interp prefix $interp_prefix"
5689 else
5690 echo "local state directory   queried at runtime"
5691 echo "Windows SDK       $win_sdk"
5692 fi
5693 echo "Source path       $source_path"
5694 echo "GIT binary        $git"
5695 echo "GIT submodules    $git_submodules"
5696 echo "C compiler        $cc"
5697 echo "Host C compiler   $host_cc"
5698 echo "C++ compiler      $cxx"
5699 echo "Objective-C compiler $objcc"
5700 echo "ARFLAGS           $ARFLAGS"
5701 echo "CFLAGS            $CFLAGS"
5702 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5703 echo "LDFLAGS           $LDFLAGS"
5704 echo "make              $make"
5705 echo "install           $install"
5706 echo "python            $python"
5707 if test "$slirp" = "yes" ; then
5708     echo "smbd              $smbd"
5709 fi
5710 echo "module support    $modules"
5711 echo "host CPU          $cpu"
5712 echo "host big endian   $bigendian"
5713 echo "target list       $target_list"
5714 echo "gprof enabled     $gprof"
5715 echo "sparse enabled    $sparse"
5716 echo "strip binaries    $strip_opt"
5717 echo "profiler          $profiler"
5718 echo "static build      $static"
5719 if test "$darwin" = "yes" ; then
5720     echo "Cocoa support     $cocoa"
5721 fi
5722 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5723 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5724 echo "GTK GL support    $gtk_gl"
5725 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5726 echo "TLS priority      $tls_priority"
5727 echo "GNUTLS support    $gnutls"
5728 echo "GNUTLS rnd        $gnutls_rnd"
5729 echo "libgcrypt         $gcrypt"
5730 echo "libgcrypt kdf     $gcrypt_kdf"
5731 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5732 echo "nettle kdf        $nettle_kdf"
5733 echo "libtasn1          $tasn1"
5734 echo "curses support    $curses"
5735 echo "virgl support     $virglrenderer"
5736 echo "curl support      $curl"
5737 echo "mingw32 support   $mingw32"
5738 echo "Audio drivers     $audio_drv_list"
5739 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5740 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5741 echo "VirtFS support    $virtfs"
5742 echo "Multipath support $mpath"
5743 echo "VNC support       $vnc"
5744 if test "$vnc" = "yes" ; then
5745     echo "VNC SASL support  $vnc_sasl"
5746     echo "VNC JPEG support  $vnc_jpeg"
5747     echo "VNC PNG support   $vnc_png"
5748 fi
5749 if test -n "$sparc_cpu"; then
5750     echo "Target Sparc Arch $sparc_cpu"
5751 fi
5752 echo "xen support       $xen"
5753 if test "$xen" = "yes" ; then
5754   echo "xen ctrl version  $xen_ctrl_version"
5755   echo "pv dom build      $xen_pv_domain_build"
5756 fi
5757 echo "brlapi support    $brlapi"
5758 echo "bluez  support    $bluez"
5759 echo "Documentation     $docs"
5760 echo "PIE               $pie"
5761 echo "vde support       $vde"
5762 echo "netmap support    $netmap"
5763 echo "Linux AIO support $linux_aio"
5764 echo "ATTR/XATTR support $attr"
5765 echo "Install blobs     $blobs"
5766 echo "KVM support       $kvm"
5767 echo "HAX support       $hax"
5768 echo "HVF support       $hvf"
5769 echo "WHPX support      $whpx"
5770 echo "TCG support       $tcg"
5771 if test "$tcg" = "yes" ; then
5772     echo "TCG debug enabled $debug_tcg"
5773     echo "TCG interpreter   $tcg_interpreter"
5774 fi
5775 echo "malloc trim support $malloc_trim"
5776 echo "RDMA support      $rdma"
5777 echo "fdt support       $fdt"
5778 echo "preadv support    $preadv"
5779 echo "fdatasync         $fdatasync"
5780 echo "madvise           $madvise"
5781 echo "posix_madvise     $posix_madvise"
5782 echo "posix_memalign    $posix_memalign"
5783 echo "libcap-ng support $cap_ng"
5784 echo "vhost-net support $vhost_net"
5785 echo "vhost-crypto support $vhost_crypto"
5786 echo "vhost-scsi support $vhost_scsi"
5787 echo "vhost-vsock support $vhost_vsock"
5788 echo "vhost-user support $vhost_user"
5789 echo "Trace backends    $trace_backends"
5790 if have_backend "simple"; then
5791 echo "Trace output file $trace_file-<pid>"
5792 fi
5793 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5794 echo "rbd support       $rbd"
5795 echo "xfsctl support    $xfs"
5796 echo "smartcard support $smartcard"
5797 echo "libusb            $libusb"
5798 echo "usb net redir     $usb_redir"
5799 echo "OpenGL support    $opengl"
5800 echo "OpenGL dmabufs    $opengl_dmabuf"
5801 echo "libiscsi support  $libiscsi"
5802 echo "libnfs support    $libnfs"
5803 echo "build guest agent $guest_agent"
5804 echo "QGA VSS support   $guest_agent_with_vss"
5805 echo "QGA w32 disk info $guest_agent_ntddscsi"
5806 echo "QGA MSI support   $guest_agent_msi"
5807 echo "seccomp support   $seccomp"
5808 echo "coroutine backend $coroutine"
5809 echo "coroutine pool    $coroutine_pool"
5810 echo "debug stack usage $debug_stack_usage"
5811 echo "crypto afalg      $crypto_afalg"
5812 echo "GlusterFS support $glusterfs"
5813 echo "gcov              $gcov_tool"
5814 echo "gcov enabled      $gcov"
5815 echo "TPM support       $tpm"
5816 echo "libssh2 support   $libssh2"
5817 echo "TPM passthrough   $tpm_passthrough"
5818 echo "TPM emulator      $tpm_emulator"
5819 echo "QOM debugging     $qom_cast_debug"
5820 echo "Live block migration $live_block_migration"
5821 echo "lzo support       $lzo"
5822 echo "snappy support    $snappy"
5823 echo "bzip2 support     $bzip2"
5824 echo "NUMA host support $numa"
5825 echo "libxml2           $libxml2"
5826 echo "tcmalloc support  $tcmalloc"
5827 echo "jemalloc support  $jemalloc"
5828 echo "avx2 optimization $avx2_opt"
5829 echo "replication support $replication"
5830 echo "VxHS block device $vxhs"
5831 echo "capstone          $capstone"
5832
5833 if test "$sdl_too_old" = "yes"; then
5834 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5835 fi
5836
5837 if test "$gtkabi" = "2.0"; then
5838     echo
5839     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5840     echo "WARNING: future releases. Please switch to using GTK 3.0"
5841 fi
5842
5843 if test "$sdlabi" = "1.2"; then
5844     echo
5845     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5846     echo "WARNING: future releases. Please switch to using SDL 2.0"
5847 fi
5848
5849 if test "$supported_cpu" = "no"; then
5850     echo
5851     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5852     echo
5853     echo "CPU host architecture $cpu support is not currently maintained."
5854     echo "The QEMU project intends to remove support for this host CPU in"
5855     echo "a future release if nobody volunteers to maintain it and to"
5856     echo "provide a build host for our continuous integration setup."
5857     echo "configure has succeeded and you can continue to build, but"
5858     echo "if you care about QEMU on this platform you should contact"
5859     echo "us upstream at qemu-devel@nongnu.org."
5860 fi
5861
5862 if test "$supported_os" = "no"; then
5863     echo
5864     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5865     echo
5866     echo "Host OS $targetos support is not currently maintained."
5867     echo "The QEMU project intends to remove support for this host OS in"
5868     echo "a future release if nobody volunteers to maintain it and to"
5869     echo "provide a build host for our continuous integration setup."
5870     echo "configure has succeeded and you can continue to build, but"
5871     echo "if you care about QEMU on this platform you should contact"
5872     echo "us upstream at qemu-devel@nongnu.org."
5873 fi
5874
5875 config_host_mak="config-host.mak"
5876
5877 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5878
5879 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5880 echo >> $config_host_mak
5881
5882 echo all: >> $config_host_mak
5883 echo "prefix=$prefix" >> $config_host_mak
5884 echo "bindir=$bindir" >> $config_host_mak
5885 echo "libdir=$libdir" >> $config_host_mak
5886 echo "libexecdir=$libexecdir" >> $config_host_mak
5887 echo "includedir=$includedir" >> $config_host_mak
5888 echo "mandir=$mandir" >> $config_host_mak
5889 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5890 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5891 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5892 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5893 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5894 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5895 if test "$mingw32" = "no" ; then
5896   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5897 fi
5898 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5899 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5900 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5901 echo "GIT=$git" >> $config_host_mak
5902 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5903 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5904
5905 echo "ARCH=$ARCH" >> $config_host_mak
5906
5907 if test "$debug_tcg" = "yes" ; then
5908   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5909 fi
5910 if test "$strip_opt" = "yes" ; then
5911   echo "STRIP=${strip}" >> $config_host_mak
5912 fi
5913 if test "$bigendian" = "yes" ; then
5914   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5915 fi
5916 if test "$mingw32" = "yes" ; then
5917   echo "CONFIG_WIN32=y" >> $config_host_mak
5918   rc_version=$(cat $source_path/VERSION)
5919   version_major=${rc_version%%.*}
5920   rc_version=${rc_version#*.}
5921   version_minor=${rc_version%%.*}
5922   rc_version=${rc_version#*.}
5923   version_subminor=${rc_version%%.*}
5924   version_micro=0
5925   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5926   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5927   if test "$guest_agent_with_vss" = "yes" ; then
5928     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5929     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5930     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5931   fi
5932   if test "$guest_agent_ntddscsi" = "yes" ; then
5933     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5934   fi
5935   if test "$guest_agent_msi" = "yes"; then
5936     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5937     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5938     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5939     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5940     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5941     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5942     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5943   fi
5944 else
5945   echo "CONFIG_POSIX=y" >> $config_host_mak
5946 fi
5947
5948 if test "$linux" = "yes" ; then
5949   echo "CONFIG_LINUX=y" >> $config_host_mak
5950 fi
5951
5952 if test "$darwin" = "yes" ; then
5953   echo "CONFIG_DARWIN=y" >> $config_host_mak
5954 fi
5955
5956 if test "$solaris" = "yes" ; then
5957   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5958 fi
5959 if test "$haiku" = "yes" ; then
5960   echo "CONFIG_HAIKU=y" >> $config_host_mak
5961 fi
5962 if test "$static" = "yes" ; then
5963   echo "CONFIG_STATIC=y" >> $config_host_mak
5964 fi
5965 if test "$profiler" = "yes" ; then
5966   echo "CONFIG_PROFILER=y" >> $config_host_mak
5967 fi
5968 if test "$slirp" = "yes" ; then
5969   echo "CONFIG_SLIRP=y" >> $config_host_mak
5970   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5971 fi
5972 if test "$vde" = "yes" ; then
5973   echo "CONFIG_VDE=y" >> $config_host_mak
5974   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5975 fi
5976 if test "$netmap" = "yes" ; then
5977   echo "CONFIG_NETMAP=y" >> $config_host_mak
5978 fi
5979 if test "$l2tpv3" = "yes" ; then
5980   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5981 fi
5982 if test "$cap_ng" = "yes" ; then
5983   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5984 fi
5985 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5986 for drv in $audio_drv_list; do
5987     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5988     echo "$def=y" >> $config_host_mak
5989 done
5990 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5991 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5992 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5993 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5994 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5995 if test "$audio_pt_int" = "yes" ; then
5996   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5997 fi
5998 if test "$audio_win_int" = "yes" ; then
5999   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6000 fi
6001 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6002 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6003 if test "$vnc" = "yes" ; then
6004   echo "CONFIG_VNC=y" >> $config_host_mak
6005 fi
6006 if test "$vnc_sasl" = "yes" ; then
6007   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6008 fi
6009 if test "$vnc_jpeg" = "yes" ; then
6010   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6011 fi
6012 if test "$vnc_png" = "yes" ; then
6013   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6014 fi
6015 if test "$xkbcommon" = "yes" ; then
6016   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6017   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6018 fi
6019 if test "$fnmatch" = "yes" ; then
6020   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6021 fi
6022 if test "$xfs" = "yes" ; then
6023   echo "CONFIG_XFS=y" >> $config_host_mak
6024 fi
6025 qemu_version=$(head $source_path/VERSION)
6026 echo "VERSION=$qemu_version" >>$config_host_mak
6027 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6028 echo "SRC_PATH=$source_path" >> $config_host_mak
6029 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6030 if [ "$docs" = "yes" ] ; then
6031   echo "BUILD_DOCS=yes" >> $config_host_mak
6032 fi
6033 if test "$modules" = "yes"; then
6034   # $shacmd can generate a hash started with digit, which the compiler doesn't
6035   # like as an symbol. So prefix it with an underscore
6036   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6037   echo "CONFIG_MODULES=y" >> $config_host_mak
6038 fi
6039 if test "$sdl" = "yes" ; then
6040   echo "CONFIG_SDL=y" >> $config_host_mak
6041   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6042   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6043   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6044 fi
6045 if test "$cocoa" = "yes" ; then
6046   echo "CONFIG_COCOA=y" >> $config_host_mak
6047 fi
6048 if test "$curses" = "yes" ; then
6049   echo "CONFIG_CURSES=y" >> $config_host_mak
6050 fi
6051 if test "$pipe2" = "yes" ; then
6052   echo "CONFIG_PIPE2=y" >> $config_host_mak
6053 fi
6054 if test "$accept4" = "yes" ; then
6055   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6056 fi
6057 if test "$splice" = "yes" ; then
6058   echo "CONFIG_SPLICE=y" >> $config_host_mak
6059 fi
6060 if test "$eventfd" = "yes" ; then
6061   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6062 fi
6063 if test "$memfd" = "yes" ; then
6064   echo "CONFIG_MEMFD=y" >> $config_host_mak
6065 fi
6066 if test "$fallocate" = "yes" ; then
6067   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6068 fi
6069 if test "$fallocate_punch_hole" = "yes" ; then
6070   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6071 fi
6072 if test "$fallocate_zero_range" = "yes" ; then
6073   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6074 fi
6075 if test "$posix_fallocate" = "yes" ; then
6076   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6077 fi
6078 if test "$sync_file_range" = "yes" ; then
6079   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6080 fi
6081 if test "$fiemap" = "yes" ; then
6082   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6083 fi
6084 if test "$dup3" = "yes" ; then
6085   echo "CONFIG_DUP3=y" >> $config_host_mak
6086 fi
6087 if test "$ppoll" = "yes" ; then
6088   echo "CONFIG_PPOLL=y" >> $config_host_mak
6089 fi
6090 if test "$prctl_pr_set_timerslack" = "yes" ; then
6091   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6092 fi
6093 if test "$epoll" = "yes" ; then
6094   echo "CONFIG_EPOLL=y" >> $config_host_mak
6095 fi
6096 if test "$epoll_create1" = "yes" ; then
6097   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6098 fi
6099 if test "$sendfile" = "yes" ; then
6100   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6101 fi
6102 if test "$timerfd" = "yes" ; then
6103   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6104 fi
6105 if test "$setns" = "yes" ; then
6106   echo "CONFIG_SETNS=y" >> $config_host_mak
6107 fi
6108 if test "$clock_adjtime" = "yes" ; then
6109   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6110 fi
6111 if test "$syncfs" = "yes" ; then
6112   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6113 fi
6114 if test "$inotify" = "yes" ; then
6115   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6116 fi
6117 if test "$inotify1" = "yes" ; then
6118   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6119 fi
6120 if test "$sem_timedwait" = "yes" ; then
6121   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6122 fi
6123 if test "$byteswap_h" = "yes" ; then
6124   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6125 fi
6126 if test "$bswap_h" = "yes" ; then
6127   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6128 fi
6129 if test "$curl" = "yes" ; then
6130   echo "CONFIG_CURL=m" >> $config_host_mak
6131   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6132   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6133 fi
6134 if test "$brlapi" = "yes" ; then
6135   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6136   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6137 fi
6138 if test "$bluez" = "yes" ; then
6139   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6140   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6141 fi
6142 if test "$glib_subprocess" = "yes" ; then
6143   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6144 fi
6145 if test "$gtk" = "yes" ; then
6146   echo "CONFIG_GTK=y" >> $config_host_mak
6147   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6148   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6149   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6150   if test "$gtk_gl" = "yes" ; then
6151     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6152   fi
6153 fi
6154 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6155 if test "$gnutls" = "yes" ; then
6156   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6157 fi
6158 if test "$gnutls_rnd" = "yes" ; then
6159   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6160 fi
6161 if test "$gcrypt" = "yes" ; then
6162   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6163   if test "$gcrypt_hmac" = "yes" ; then
6164     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6165   fi
6166   if test "$gcrypt_kdf" = "yes" ; then
6167     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6168   fi
6169 fi
6170 if test "$nettle" = "yes" ; then
6171   echo "CONFIG_NETTLE=y" >> $config_host_mak
6172   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6173   if test "$nettle_kdf" = "yes" ; then
6174     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6175   fi
6176 fi
6177 if test "$tasn1" = "yes" ; then
6178   echo "CONFIG_TASN1=y" >> $config_host_mak
6179 fi
6180 if test "$have_ifaddrs_h" = "yes" ; then
6181     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6182 fi
6183 if test "$have_broken_size_max" = "yes" ; then
6184     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6185 fi
6186
6187 # Work around a system header bug with some kernel/XFS header
6188 # versions where they both try to define 'struct fsxattr':
6189 # xfs headers will not try to redefine structs from linux headers
6190 # if this macro is set.
6191 if test "$have_fsxattr" = "yes" ; then
6192     echo "HAVE_FSXATTR=y" >> $config_host_mak
6193 fi
6194 if test "$vte" = "yes" ; then
6195   echo "CONFIG_VTE=y" >> $config_host_mak
6196   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6197 fi
6198 if test "$virglrenderer" = "yes" ; then
6199   echo "CONFIG_VIRGL=y" >> $config_host_mak
6200   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6201   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6202 fi
6203 if test "$xen" = "yes" ; then
6204   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6205   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6206   if test "$xen_pv_domain_build" = "yes" ; then
6207     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6208   fi
6209 fi
6210 if test "$linux_aio" = "yes" ; then
6211   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6212 fi
6213 if test "$attr" = "yes" ; then
6214   echo "CONFIG_ATTR=y" >> $config_host_mak
6215 fi
6216 if test "$libattr" = "yes" ; then
6217   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6218 fi
6219 if test "$virtfs" = "yes" ; then
6220   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6221 fi
6222 if test "$mpath" = "yes" ; then
6223   echo "CONFIG_MPATH=y" >> $config_host_mak
6224 fi
6225 if test "$vhost_scsi" = "yes" ; then
6226   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6227 fi
6228 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6229   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6230 fi
6231 if test "$vhost_crypto" = "yes" ; then
6232   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6233 fi
6234 if test "$vhost_vsock" = "yes" ; then
6235   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6236 fi
6237 if test "$vhost_user" = "yes" ; then
6238   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6239 fi
6240 if test "$blobs" = "yes" ; then
6241   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6242 fi
6243 if test "$iovec" = "yes" ; then
6244   echo "CONFIG_IOVEC=y" >> $config_host_mak
6245 fi
6246 if test "$preadv" = "yes" ; then
6247   echo "CONFIG_PREADV=y" >> $config_host_mak
6248 fi
6249 if test "$fdt" = "yes" ; then
6250   echo "CONFIG_FDT=y" >> $config_host_mak
6251 fi
6252 if test "$signalfd" = "yes" ; then
6253   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6254 fi
6255 if test "$tcg" = "yes"; then
6256   echo "CONFIG_TCG=y" >> $config_host_mak
6257   if test "$tcg_interpreter" = "yes" ; then
6258     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6259   fi
6260 fi
6261 if test "$fdatasync" = "yes" ; then
6262   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6263 fi
6264 if test "$madvise" = "yes" ; then
6265   echo "CONFIG_MADVISE=y" >> $config_host_mak
6266 fi
6267 if test "$posix_madvise" = "yes" ; then
6268   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6269 fi
6270 if test "$posix_memalign" = "yes" ; then
6271   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6272 fi
6273
6274 if test "$spice" = "yes" ; then
6275   echo "CONFIG_SPICE=y" >> $config_host_mak
6276 fi
6277
6278 if test "$smartcard" = "yes" ; then
6279   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6280   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6281   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6282 fi
6283
6284 if test "$libusb" = "yes" ; then
6285   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6286   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6287   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6288 fi
6289
6290 if test "$usb_redir" = "yes" ; then
6291   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6292   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6293   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6294 fi
6295
6296 if test "$opengl" = "yes" ; then
6297   echo "CONFIG_OPENGL=y" >> $config_host_mak
6298   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6299   if test "$opengl_dmabuf" = "yes" ; then
6300     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6301   fi
6302 fi
6303
6304 if test "$malloc_trim" = "yes" ; then
6305   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6306 fi
6307
6308 if test "$avx2_opt" = "yes" ; then
6309   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6310 fi
6311
6312 if test "$lzo" = "yes" ; then
6313   echo "CONFIG_LZO=y" >> $config_host_mak
6314 fi
6315
6316 if test "$snappy" = "yes" ; then
6317   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6318 fi
6319
6320 if test "$bzip2" = "yes" ; then
6321   echo "CONFIG_BZIP2=y" >> $config_host_mak
6322   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6323 fi
6324
6325 if test "$libiscsi" = "yes" ; then
6326   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6327   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6328   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6329 fi
6330
6331 if test "$libnfs" = "yes" ; then
6332   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6333   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6334 fi
6335
6336 if test "$seccomp" = "yes"; then
6337   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6338   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6339   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6340 fi
6341
6342 # XXX: suppress that
6343 if [ "$bsd" = "yes" ] ; then
6344   echo "CONFIG_BSD=y" >> $config_host_mak
6345 fi
6346
6347 if test "$localtime_r" = "yes" ; then
6348   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6349 fi
6350 if test "$qom_cast_debug" = "yes" ; then
6351   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6352 fi
6353 if test "$rbd" = "yes" ; then
6354   echo "CONFIG_RBD=m" >> $config_host_mak
6355   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6356   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6357 fi
6358
6359 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6360 if test "$coroutine_pool" = "yes" ; then
6361   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6362 else
6363   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6364 fi
6365
6366 if test "$debug_stack_usage" = "yes" ; then
6367   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6368 fi
6369
6370 if test "$crypto_afalg" = "yes" ; then
6371   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6372 fi
6373
6374 if test "$open_by_handle_at" = "yes" ; then
6375   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6376 fi
6377
6378 if test "$linux_magic_h" = "yes" ; then
6379   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6380 fi
6381
6382 if test "$pragma_diagnostic_available" = "yes" ; then
6383   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6384 fi
6385
6386 if test "$valgrind_h" = "yes" ; then
6387   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6388 fi
6389
6390 if test "$have_asan_iface_fiber" = "yes" ; then
6391     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6392 fi
6393
6394 if test "$has_environ" = "yes" ; then
6395   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6396 fi
6397
6398 if test "$cpuid_h" = "yes" ; then
6399   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6400 fi
6401
6402 if test "$int128" = "yes" ; then
6403   echo "CONFIG_INT128=y" >> $config_host_mak
6404 fi
6405
6406 if test "$atomic128" = "yes" ; then
6407   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6408 fi
6409
6410 if test "$atomic64" = "yes" ; then
6411   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6412 fi
6413
6414 if test "$vector16" = "yes" ; then
6415   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6416 fi
6417
6418 if test "$getauxval" = "yes" ; then
6419   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6420 fi
6421
6422 if test "$glusterfs" = "yes" ; then
6423   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6424   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6425   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6426 fi
6427
6428 if test "$glusterfs_xlator_opt" = "yes" ; then
6429   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6430 fi
6431
6432 if test "$glusterfs_discard" = "yes" ; then
6433   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6434 fi
6435
6436 if test "$glusterfs_fallocate" = "yes" ; then
6437   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6438 fi
6439
6440 if test "$glusterfs_zerofill" = "yes" ; then
6441   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6442 fi
6443
6444 if test "$libssh2" = "yes" ; then
6445   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6446   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6447   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6448 fi
6449
6450 if test "$live_block_migration" = "yes" ; then
6451   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6452 fi
6453
6454 if test "$tpm" = "yes"; then
6455   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6456   # TPM passthrough support?
6457   if test "$tpm_passthrough" = "yes"; then
6458     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6459   fi
6460   # TPM emulator support?
6461   if test "$tpm_emulator" = "yes"; then
6462     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6463   fi
6464 fi
6465
6466 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6467 if have_backend "nop"; then
6468   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6469 fi
6470 if have_backend "simple"; then
6471   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6472   # Set the appropriate trace file.
6473   trace_file="\"$trace_file-\" FMT_pid"
6474 fi
6475 if have_backend "log"; then
6476   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6477 fi
6478 if have_backend "ust"; then
6479   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6480 fi
6481 if have_backend "dtrace"; then
6482   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6483   if test "$trace_backend_stap" = "yes" ; then
6484     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6485   fi
6486 fi
6487 if have_backend "ftrace"; then
6488   if test "$linux" = "yes" ; then
6489     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6490   else
6491     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6492   fi
6493 fi
6494 if have_backend "syslog"; then
6495   if test "$posix_syslog" = "yes" ; then
6496     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6497   else
6498     feature_not_found "syslog(trace backend)" "syslog not available"
6499   fi
6500 fi
6501 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6502
6503 if test "$rdma" = "yes" ; then
6504   echo "CONFIG_RDMA=y" >> $config_host_mak
6505   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6506 fi
6507
6508 if test "$have_rtnetlink" = "yes" ; then
6509   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6510 fi
6511
6512 if test "$libxml2" = "yes" ; then
6513   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6514   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6515   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6516 fi
6517
6518 if test "$replication" = "yes" ; then
6519   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6520 fi
6521
6522 if test "$have_af_vsock" = "yes" ; then
6523   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6524 fi
6525
6526 if test "$have_sysmacros" = "yes" ; then
6527   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6528 fi
6529
6530 if test "$have_static_assert" = "yes" ; then
6531   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6532 fi
6533
6534 if test "$have_utmpx" = "yes" ; then
6535   echo "HAVE_UTMPX=y" >> $config_host_mak
6536 fi
6537
6538 if test "$ivshmem" = "yes" ; then
6539   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6540 fi
6541 if test "$capstone" != "no" ; then
6542   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6543 fi
6544
6545 # Hold two types of flag:
6546 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6547 #                                     a thread we have a handle to
6548 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6549 #                                     platform
6550 if test "$pthread_setname_np" = "yes" ; then
6551   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6552   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6553 fi
6554
6555 if test "$vxhs" = "yes" ; then
6556   echo "CONFIG_VXHS=y" >> $config_host_mak
6557   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6558 fi
6559
6560 if test "$tcg_interpreter" = "yes"; then
6561   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6562 elif test "$ARCH" = "sparc64" ; then
6563   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6564 elif test "$ARCH" = "s390x" ; then
6565   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6566 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6567   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6568 elif test "$ARCH" = "ppc64" ; then
6569   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6570 else
6571   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6572 fi
6573 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6574
6575 echo "TOOLS=$tools" >> $config_host_mak
6576 echo "ROMS=$roms" >> $config_host_mak
6577 echo "MAKE=$make" >> $config_host_mak
6578 echo "INSTALL=$install" >> $config_host_mak
6579 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6580 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6581 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6582 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6583 echo "PYTHON=$python" >> $config_host_mak
6584 echo "CC=$cc" >> $config_host_mak
6585 if $iasl -h > /dev/null 2>&1; then
6586   echo "IASL=$iasl" >> $config_host_mak
6587 fi
6588 echo "CC_I386=$cc_i386" >> $config_host_mak
6589 echo "HOST_CC=$host_cc" >> $config_host_mak
6590 echo "CXX=$cxx" >> $config_host_mak
6591 echo "OBJCC=$objcc" >> $config_host_mak
6592 echo "AR=$ar" >> $config_host_mak
6593 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6594 echo "AS=$as" >> $config_host_mak
6595 echo "CCAS=$ccas" >> $config_host_mak
6596 echo "CPP=$cpp" >> $config_host_mak
6597 echo "OBJCOPY=$objcopy" >> $config_host_mak
6598 echo "LD=$ld" >> $config_host_mak
6599 echo "RANLIB=$ranlib" >> $config_host_mak
6600 echo "NM=$nm" >> $config_host_mak
6601 echo "WINDRES=$windres" >> $config_host_mak
6602 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6603 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6604 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6605 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6606 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6607 if test "$sparse" = "yes" ; then
6608   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6609   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6610   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6611   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6612   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6613 fi
6614 if test "$cross_prefix" != ""; then
6615   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6616 else
6617   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6618 fi
6619 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6620 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6621 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6622 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6623 echo "LIBS+=$LIBS" >> $config_host_mak
6624 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6625 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6626 echo "EXESUF=$EXESUF" >> $config_host_mak
6627 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6628 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6629 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6630 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6631 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6632 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6633 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6634 if test "$gcov" = "yes" ; then
6635   echo "CONFIG_GCOV=y" >> $config_host_mak
6636   echo "GCOV=$gcov_tool" >> $config_host_mak
6637 fi
6638
6639 # use included Linux headers
6640 if test "$linux" = "yes" ; then
6641   mkdir -p linux-headers
6642   case "$cpu" in
6643   i386|x86_64|x32)
6644     linux_arch=x86
6645     ;;
6646   ppcemb|ppc|ppc64)
6647     linux_arch=powerpc
6648     ;;
6649   s390x)
6650     linux_arch=s390
6651     ;;
6652   aarch64)
6653     linux_arch=arm64
6654     ;;
6655   mips64)
6656     linux_arch=mips
6657     ;;
6658   *)
6659     # For most CPUs the kernel architecture name and QEMU CPU name match.
6660     linux_arch="$cpu"
6661     ;;
6662   esac
6663     # For non-KVM architectures we will not have asm headers
6664     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6665       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6666     fi
6667 fi
6668
6669 for target in $target_list; do
6670 target_dir="$target"
6671 config_target_mak=$target_dir/config-target.mak
6672 target_name=$(echo $target | cut -d '-' -f 1)
6673 target_bigendian="no"
6674
6675 case "$target_name" in
6676   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6677   target_bigendian=yes
6678   ;;
6679 esac
6680 target_softmmu="no"
6681 target_user_only="no"
6682 target_linux_user="no"
6683 target_bsd_user="no"
6684 case "$target" in
6685   ${target_name}-softmmu)
6686     target_softmmu="yes"
6687     ;;
6688   ${target_name}-linux-user)
6689     target_user_only="yes"
6690     target_linux_user="yes"
6691     ;;
6692   ${target_name}-bsd-user)
6693     target_user_only="yes"
6694     target_bsd_user="yes"
6695     ;;
6696   *)
6697     error_exit "Target '$target' not recognised"
6698     exit 1
6699     ;;
6700 esac
6701
6702 mkdir -p $target_dir
6703 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6704
6705 bflt="no"
6706 mttcg="no"
6707 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6708 gdb_xml_files=""
6709
6710 TARGET_ARCH="$target_name"
6711 TARGET_BASE_ARCH=""
6712 TARGET_ABI_DIR=""
6713
6714 case "$target_name" in
6715   i386)
6716     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6717   ;;
6718   x86_64)
6719     TARGET_BASE_ARCH=i386
6720     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6721   ;;
6722   alpha)
6723     mttcg="yes"
6724   ;;
6725   arm|armeb)
6726     TARGET_ARCH=arm
6727     bflt="yes"
6728     mttcg="yes"
6729     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6730   ;;
6731   aarch64|aarch64_be)
6732     TARGET_ARCH=aarch64
6733     TARGET_BASE_ARCH=arm
6734     bflt="yes"
6735     mttcg="yes"
6736     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6737   ;;
6738   cris)
6739   ;;
6740   hppa)
6741     mttcg="yes"
6742   ;;
6743   lm32)
6744   ;;
6745   m68k)
6746     bflt="yes"
6747     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6748   ;;
6749   microblaze|microblazeel)
6750     TARGET_ARCH=microblaze
6751     bflt="yes"
6752   ;;
6753   mips|mipsel)
6754     TARGET_ARCH=mips
6755     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6756   ;;
6757   mipsn32|mipsn32el)
6758     TARGET_ARCH=mips64
6759     TARGET_BASE_ARCH=mips
6760     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6761     echo "TARGET_ABI32=y" >> $config_target_mak
6762   ;;
6763   mips64|mips64el)
6764     TARGET_ARCH=mips64
6765     TARGET_BASE_ARCH=mips
6766     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6767   ;;
6768   moxie)
6769   ;;
6770   nios2)
6771   ;;
6772   or1k)
6773     TARGET_ARCH=openrisc
6774     TARGET_BASE_ARCH=openrisc
6775   ;;
6776   ppc)
6777     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6778   ;;
6779   ppcemb)
6780     TARGET_BASE_ARCH=ppc
6781     TARGET_ABI_DIR=ppc
6782     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6783   ;;
6784   ppc64)
6785     TARGET_BASE_ARCH=ppc
6786     TARGET_ABI_DIR=ppc
6787     mttcg=yes
6788     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6789   ;;
6790   ppc64le)
6791     TARGET_ARCH=ppc64
6792     TARGET_BASE_ARCH=ppc
6793     TARGET_ABI_DIR=ppc
6794     mttcg=yes
6795     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6796   ;;
6797   ppc64abi32)
6798     TARGET_ARCH=ppc64
6799     TARGET_BASE_ARCH=ppc
6800     TARGET_ABI_DIR=ppc
6801     echo "TARGET_ABI32=y" >> $config_target_mak
6802     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6803   ;;
6804   sh4|sh4eb)
6805     TARGET_ARCH=sh4
6806     bflt="yes"
6807   ;;
6808   sparc)
6809   ;;
6810   sparc64)
6811     TARGET_BASE_ARCH=sparc
6812   ;;
6813   sparc32plus)
6814     TARGET_ARCH=sparc64
6815     TARGET_BASE_ARCH=sparc
6816     TARGET_ABI_DIR=sparc
6817     echo "TARGET_ABI32=y" >> $config_target_mak
6818   ;;
6819   s390x)
6820     mttcg=yes
6821     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6822   ;;
6823   tilegx)
6824   ;;
6825   tricore)
6826   ;;
6827   unicore32)
6828   ;;
6829   xtensa|xtensaeb)
6830     TARGET_ARCH=xtensa
6831   ;;
6832   *)
6833     error_exit "Unsupported target CPU"
6834   ;;
6835 esac
6836 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6837 if [ "$TARGET_BASE_ARCH" = "" ]; then
6838   TARGET_BASE_ARCH=$TARGET_ARCH
6839 fi
6840
6841 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6842
6843 upper() {
6844     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6845 }
6846
6847 target_arch_name="$(upper $TARGET_ARCH)"
6848 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6849 echo "TARGET_NAME=$target_name" >> $config_target_mak
6850 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6851 if [ "$TARGET_ABI_DIR" = "" ]; then
6852   TARGET_ABI_DIR=$TARGET_ARCH
6853 fi
6854 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6855 if [ "$HOST_VARIANT_DIR" != "" ]; then
6856     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6857 fi
6858
6859 if supported_xen_target $target; then
6860     echo "CONFIG_XEN=y" >> $config_target_mak
6861     if test "$xen_pci_passthrough" = yes; then
6862         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6863     fi
6864 fi
6865 if supported_kvm_target $target; then
6866     echo "CONFIG_KVM=y" >> $config_target_mak
6867     if test "$vhost_net" = "yes" ; then
6868         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6869         if test "$vhost_user" = "yes" ; then
6870             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6871         fi
6872     fi
6873 fi
6874 if supported_hax_target $target; then
6875     echo "CONFIG_HAX=y" >> $config_target_mak
6876 fi
6877 if supported_hvf_target $target; then
6878     echo "CONFIG_HVF=y" >> $config_target_mak
6879 fi
6880 if supported_whpx_target $target; then
6881     echo "CONFIG_WHPX=y" >> $config_target_mak
6882 fi
6883 if test "$target_bigendian" = "yes" ; then
6884   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6885 fi
6886 if test "$target_softmmu" = "yes" ; then
6887   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6888   if test "$mttcg" = "yes" ; then
6889     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6890   fi
6891 fi
6892 if test "$target_user_only" = "yes" ; then
6893   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6894   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6895 fi
6896 if test "$target_linux_user" = "yes" ; then
6897   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6898 fi
6899 list=""
6900 if test ! -z "$gdb_xml_files" ; then
6901   for x in $gdb_xml_files; do
6902     list="$list $source_path/gdb-xml/$x"
6903   done
6904   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6905 fi
6906
6907 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6908   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6909 fi
6910 if test "$target_bsd_user" = "yes" ; then
6911   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6912 fi
6913
6914 # generate QEMU_CFLAGS/LDFLAGS for targets
6915
6916 cflags=""
6917 ldflags=""
6918
6919 disas_config() {
6920   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6921   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6922 }
6923
6924 for i in $ARCH $TARGET_BASE_ARCH ; do
6925   case "$i" in
6926   alpha)
6927     disas_config "ALPHA"
6928   ;;
6929   aarch64)
6930     if test -n "${cxx}"; then
6931       disas_config "ARM_A64"
6932     fi
6933   ;;
6934   arm)
6935     disas_config "ARM"
6936     if test -n "${cxx}"; then
6937       disas_config "ARM_A64"
6938     fi
6939   ;;
6940   cris)
6941     disas_config "CRIS"
6942   ;;
6943   hppa)
6944     disas_config "HPPA"
6945   ;;
6946   i386|x86_64|x32)
6947     disas_config "I386"
6948   ;;
6949   lm32)
6950     disas_config "LM32"
6951   ;;
6952   m68k)
6953     disas_config "M68K"
6954   ;;
6955   microblaze*)
6956     disas_config "MICROBLAZE"
6957   ;;
6958   mips*)
6959     disas_config "MIPS"
6960   ;;
6961   moxie*)
6962     disas_config "MOXIE"
6963   ;;
6964   nios2)
6965     disas_config "NIOS2"
6966   ;;
6967   or1k)
6968     disas_config "OPENRISC"
6969   ;;
6970   ppc*)
6971     disas_config "PPC"
6972   ;;
6973   s390*)
6974     disas_config "S390"
6975   ;;
6976   sh4)
6977     disas_config "SH4"
6978   ;;
6979   sparc*)
6980     disas_config "SPARC"
6981   ;;
6982   xtensa*)
6983     disas_config "XTENSA"
6984   ;;
6985   esac
6986 done
6987 if test "$tcg_interpreter" = "yes" ; then
6988   disas_config "TCI"
6989 fi
6990
6991 case "$ARCH" in
6992 alpha)
6993   # Ensure there's only a single GP
6994   cflags="-msmall-data $cflags"
6995 ;;
6996 esac
6997
6998 if test "$gprof" = "yes" ; then
6999   echo "TARGET_GPROF=yes" >> $config_target_mak
7000   if test "$target_linux_user" = "yes" ; then
7001     cflags="-p $cflags"
7002     ldflags="-p $ldflags"
7003   fi
7004   if test "$target_softmmu" = "yes" ; then
7005     ldflags="-p $ldflags"
7006     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7007   fi
7008 fi
7009
7010 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7011   ldflags="$ldflags $textseg_ldflags"
7012 fi
7013
7014 # Newer kernels on s390 check for an S390_PGSTE program header and
7015 # enable the pgste page table extensions in that case. This makes
7016 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7017 # header if
7018 #  - we build on s390x
7019 #  - we build the system emulation for s390x (qemu-system-s390x)
7020 #  - KVM is enabled
7021 #  - the linker supports --s390-pgste
7022 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7023     if ld_has --s390-pgste ; then
7024         ldflags="-Wl,--s390-pgste $ldflags"
7025     fi
7026 fi
7027
7028 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7029 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7030
7031 done # for target in $targets
7032
7033 if [ "$dtc_internal" = "yes" ]; then
7034   echo "config-host.h: subdir-dtc" >> $config_host_mak
7035 fi
7036 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7037   echo "config-host.h: subdir-capstone" >> $config_host_mak
7038 fi
7039 if test -n "$LIBCAPSTONE"; then
7040   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7041 fi
7042
7043 if test "$numa" = "yes"; then
7044   echo "CONFIG_NUMA=y" >> $config_host_mak
7045 fi
7046
7047 if test "$ccache_cpp2" = "yes"; then
7048   echo "export CCACHE_CPP2=y" >> $config_host_mak
7049 fi
7050
7051 # build tree in object directory in case the source is not in the current directory
7052 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7053 DIRS="$DIRS docs docs/interop fsdev scsi"
7054 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7055 DIRS="$DIRS roms/seabios roms/vgabios"
7056 DIRS="$DIRS qapi-generated"
7057 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7058 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7059 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7060 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7061 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7062 FILES="$FILES pc-bios/s390-ccw/Makefile"
7063 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7064 FILES="$FILES pc-bios/qemu-icon.bmp"
7065 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7066 for bios_file in \
7067     $source_path/pc-bios/*.bin \
7068     $source_path/pc-bios/*.lid \
7069     $source_path/pc-bios/*.aml \
7070     $source_path/pc-bios/*.rom \
7071     $source_path/pc-bios/*.dtb \
7072     $source_path/pc-bios/*.img \
7073     $source_path/pc-bios/openbios-* \
7074     $source_path/pc-bios/u-boot.* \
7075     $source_path/pc-bios/palcode-*
7076 do
7077     FILES="$FILES pc-bios/$(basename $bios_file)"
7078 done
7079 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7080 do
7081     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7082 done
7083 mkdir -p $DIRS
7084 for f in $FILES ; do
7085     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7086         symlink "$source_path/$f" "$f"
7087     fi
7088 done
7089
7090 # temporary config to build submodules
7091 for rom in seabios vgabios ; do
7092     config_mak=roms/$rom/config.mak
7093     echo "# Automatically generated by configure - do not modify" > $config_mak
7094     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7095     echo "AS=$as" >> $config_mak
7096     echo "CCAS=$ccas" >> $config_mak
7097     echo "CC=$cc" >> $config_mak
7098     echo "BCC=bcc" >> $config_mak
7099     echo "CPP=$cpp" >> $config_mak
7100     echo "OBJCOPY=objcopy" >> $config_mak
7101     echo "IASL=$iasl" >> $config_mak
7102     echo "LD=$ld" >> $config_mak
7103     echo "RANLIB=$ranlib" >> $config_mak
7104 done
7105
7106 # set up tests data directory
7107 if [ ! -e tests/data ]; then
7108     symlink "$source_path/tests/data" tests/data
7109 fi
7110
7111 # set up qemu-iotests in this build directory
7112 iotests_common_env="tests/qemu-iotests/common.env"
7113 iotests_check="tests/qemu-iotests/check"
7114
7115 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7116 echo >> "$iotests_common_env"
7117 echo "export PYTHON='$python'" >> "$iotests_common_env"
7118
7119 if [ ! -e "$iotests_check" ]; then
7120     symlink "$source_path/$iotests_check" "$iotests_check"
7121 fi
7122
7123 # Save the configure command line for later reuse.
7124 cat <<EOD >config.status
7125 #!/bin/sh
7126 # Generated by configure.
7127 # Run this file to recreate the current configuration.
7128 # Compiler output produced by configure, useful for debugging
7129 # configure, is in config.log if it exists.
7130 EOD
7131 printf "exec" >>config.status
7132 printf " '%s'" "$0" "$@" >>config.status
7133 echo ' "$@"' >>config.status
7134 chmod +x config.status
7135
7136 rm -r "$TMPDIR1"