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_target() {
 226     case "$1" in
 227         *-softmmu)
 228             ;;
 229         *-linux-user)
 230             if test "$linux" != "yes"; then
 231                 print_error "Target '$target' is only available on a Linux host"
 232                 return 1
 233             fi
 234             ;;
 235         *-bsd-user)
 236             if test "$bsd" != "yes"; then
 237                 print_error "Target '$target' is only available on a BSD host"
 238                 return 1
 239             fi
 240             ;;
 241         *)
 242             print_error "Invalid target name '$target'"
 243             return 1
 244             ;;
 245     esac
 246     test "$tcg" = "yes" && return 0
 247     supported_kvm_target "$1" && return 0
 248     supported_xen_target "$1" && return 0
 249     supported_hax_target "$1" && return 0
 250     supported_hvf_target "$1" && return 0
 251     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 252     return 1
 253 }
 254
 255
 256 ld_has() {
 257     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 258 }
 259
 260 # default parameters
 261 source_path=$(dirname "$0")
 262 cpu=""
 263 iasl="iasl"
 264 interp_prefix="/usr/gnemul/qemu-%M"
 265 static="no"
 266 cross_prefix=""
 267 audio_drv_list=""
 268 block_drv_rw_whitelist=""
 269 block_drv_ro_whitelist=""
 270 host_cc="cc"
 271 libs_softmmu=""
 272 libs_tools=""
 273 audio_pt_int=""
 274 audio_win_int=""
 275 cc_i386=i386-pc-linux-gnu-gcc
 276 libs_qga=""
 277 debug_info="yes"
 278 stack_protector=""
 279
 280 if test -e "$source_path/.git"
 281 then
 282     git_update=yes
 283     git_submodules="ui/keycodemapdb"
 284 else
 285     git_update=no
 286     git_submodules=""
 287 fi
 288 git="git"
 289
 290 # Don't accept a target_list environment variable.
 291 unset target_list
 292
 293 # Default value for a variable defining feature "foo".
 294 #  * foo="no"  feature will only be used if --enable-foo arg is given
 295 #  * foo=""    feature will be searched for, and if found, will be used
 296 #              unless --disable-foo is given
 297 #  * foo="yes" this value will only be set by --enable-foo flag.
 298 #              feature will searched for,
 299 #              if not found, configure exits with error
 300 #
 301 # Always add --enable-foo and --disable-foo command line args.
 302 # Distributions want to ensure that several features are compiled in, and it
 303 # is impossible without a --enable-foo that exits if a feature is not found.
 304
 305 bluez=""
 306 brlapi=""
 307 curl=""
 308 curses=""
 309 docs=""
 310 fdt=""
 311 netmap="no"
 312 sdl=""
 313 sdlabi=""
 314 virtfs=""
 315 mpath=""
 316 vnc="yes"
 317 sparse="no"
 318 vde=""
 319 vnc_sasl=""
 320 vnc_jpeg=""
 321 vnc_png=""
 322 xkbcommon=""
 323 xen=""
 324 xen_ctrl_version=""
 325 xen_pv_domain_build="no"
 326 xen_pci_passthrough=""
 327 linux_aio=""
 328 cap_ng=""
 329 attr=""
 330 libattr=""
 331 xfs=""
 332 tcg="yes"
 333
 334 vhost_net="no"
 335 vhost_scsi="no"
 336 vhost_vsock="no"
 337 vhost_user=""
 338 kvm="no"
 339 hax="no"
 340 hvf="no"
 341 rdma=""
 342 gprof="no"
 343 debug_tcg="no"
 344 debug="no"
 345 fortify_source=""
 346 strip_opt="yes"
 347 tcg_interpreter="no"
 348 bigendian="no"
 349 mingw32="no"
 350 gcov="no"
 351 gcov_tool="gcov"
 352 EXESUF=""
 353 DSOSUF=".so"
 354 LDFLAGS_SHARED="-shared"
 355 modules="no"
 356 prefix="/usr/local"
 357 mandir="\${prefix}/share/man"
 358 datadir="\${prefix}/share"
 359 firmwarepath="\${prefix}/share/qemu-firmware"
 360 qemu_docdir="\${prefix}/share/doc/qemu"
 361 bindir="\${prefix}/bin"
 362 libdir="\${prefix}/lib"
 363 libexecdir="\${prefix}/libexec"
 364 includedir="\${prefix}/include"
 365 sysconfdir="\${prefix}/etc"
 366 local_statedir="\${prefix}/var"
 367 confsuffix="/qemu"
 368 slirp="yes"
 369 oss_lib=""
 370 bsd="no"
 371 linux="no"
 372 solaris="no"
 373 profiler="no"
 374 cocoa="no"
 375 softmmu="yes"
 376 linux_user="no"
 377 bsd_user="no"
 378 blobs="yes"
 379 pkgversion=""
 380 pie=""
 381 qom_cast_debug="yes"
 382 trace_backends="log"
 383 trace_file="trace"
 384 spice=""
 385 rbd=""
 386 smartcard=""
 387 libusb=""
 388 usb_redir=""
 389 opengl=""
 390 opengl_dmabuf="no"
 391 cpuid_h="no"
 392 avx2_opt="no"
 393 zlib="yes"
 394 capstone=""
 395 lzo=""
 396 snappy=""
 397 bzip2=""
 398 guest_agent=""
 399 guest_agent_with_vss="no"
 400 guest_agent_ntddscsi="no"
 401 guest_agent_msi=""
 402 vss_win32_sdk=""
 403 win_sdk="no"
 404 want_tools="yes"
 405 libiscsi=""
 406 libnfs=""
 407 coroutine=""
 408 coroutine_pool=""
 409 debug_stack_usage="no"
 410 crypto_afalg="no"
 411 seccomp=""
 412 glusterfs=""
 413 glusterfs_xlator_opt="no"
 414 glusterfs_discard="no"
 415 glusterfs_fallocate="no"
 416 glusterfs_zerofill="no"
 417 gtk=""
 418 gtkabi=""
 419 gtk_gl="no"
 420 tls_priority="NORMAL"
 421 gnutls=""
 422 gnutls_rnd=""
 423 nettle=""
 424 nettle_kdf="no"
 425 gcrypt=""
 426 gcrypt_hmac="no"
 427 gcrypt_kdf="no"
 428 vte=""
 429 virglrenderer=""
 430 tpm="yes"
 431 libssh2=""
 432 live_block_migration="yes"
 433 numa=""
 434 tcmalloc="no"
 435 jemalloc="no"
 436 replication="yes"
 437 vxhs=""
 438
 439 supported_cpu="no"
 440 supported_os="no"
 441 bogus_os="no"
 442 malloc_trim=""
 443
 444 # parse CC options first
 445 for opt do
 446   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 447   case "$opt" in
 448   --cross-prefix=*) cross_prefix="$optarg"
 449   ;;
 450   --cc=*) CC="$optarg"
 451   ;;
 452   --cxx=*) CXX="$optarg"
 453   ;;
 454   --source-path=*) source_path="$optarg"
 455   ;;
 456   --cpu=*) cpu="$optarg"
 457   ;;
 458   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 459                     EXTRA_CFLAGS="$optarg"
 460   ;;
 461   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 462                       EXTRA_CXXFLAGS="$optarg"
 463   ;;
 464   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 465                      EXTRA_LDFLAGS="$optarg"
 466   ;;
 467   --enable-debug-info) debug_info="yes"
 468   ;;
 469   --disable-debug-info) debug_info="no"
 470   ;;
 471   esac
 472 done
 473 # OS specific
 474 # Using uname is really, really broken.  Once we have the right set of checks
 475 # we can eliminate its usage altogether.
 476
 477 # Preferred compiler:
 478 #  ${CC} (if set)
 479 #  ${cross_prefix}gcc (if cross-prefix specified)
 480 #  system compiler
 481 if test -z "${CC}${cross_prefix}"; then
 482   cc="$host_cc"
 483 else
 484   cc="${CC-${cross_prefix}gcc}"
 485 fi
 486
 487 if test -z "${CXX}${cross_prefix}"; then
 488   cxx="c++"
 489 else
 490   cxx="${CXX-${cross_prefix}g++}"
 491 fi
 492
 493 ar="${AR-${cross_prefix}ar}"
 494 as="${AS-${cross_prefix}as}"
 495 ccas="${CCAS-$cc}"
 496 cpp="${CPP-$cc -E}"
 497 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 498 ld="${LD-${cross_prefix}ld}"
 499 ranlib="${RANLIB-${cross_prefix}ranlib}"
 500 nm="${NM-${cross_prefix}nm}"
 501 strip="${STRIP-${cross_prefix}strip}"
 502 windres="${WINDRES-${cross_prefix}windres}"
 503 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 504 query_pkg_config() {
 505     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 506 }
 507 pkg_config=query_pkg_config
 508 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 509 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 510
 511 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 512 ARFLAGS="${ARFLAGS-rv}"
 513
 514 # default flags for all hosts
 515 # We use -fwrapv to tell the compiler that we require a C dialect where
 516 # left shift of signed integers is well defined and has the expected
 517 # 2s-complement style results. (Both clang and gcc agree that it
 518 # provides these semantics.)
 519 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 520 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 521 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 522 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 523 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 524 if test "$debug_info" = "yes"; then
 525     CFLAGS="-g $CFLAGS"
 526     LDFLAGS="-g $LDFLAGS"
 527 fi
 528
 529 # make source path absolute
 530 source_path=$(cd "$source_path"; pwd)
 531
 532 # running configure in the source tree?
 533 # we know that's the case if configure is there.
 534 if test -f "./configure"; then
 535     pwd_is_source_path="y"
 536 else
 537     pwd_is_source_path="n"
 538 fi
 539
 540 check_define() {
 541 cat > $TMPC <<EOF
 542 #if !defined($1)
 543 #error $1 not defined
 544 #endif
 545 int main(void) { return 0; }
 546 EOF
 547   compile_object
 548 }
 549
 550 check_include() {
 551 cat > $TMPC <<EOF
 552 #include <$1>
 553 int main(void) { return 0; }
 554 EOF
 555   compile_object
 556 }
 557
 558 write_c_skeleton() {
 559     cat > $TMPC <<EOF
 560 int main(void) { return 0; }
 561 EOF
 562 }
 563
 564 if check_define __linux__ ; then
 565   targetos="Linux"
 566 elif check_define _WIN32 ; then
 567   targetos='MINGW32'
 568 elif check_define __OpenBSD__ ; then
 569   targetos='OpenBSD'
 570 elif check_define __sun__ ; then
 571   targetos='SunOS'
 572 elif check_define __HAIKU__ ; then
 573   targetos='Haiku'
 574 elif check_define __FreeBSD__ ; then
 575   targetos='FreeBSD'
 576 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 577   targetos='GNU/kFreeBSD'
 578 elif check_define __DragonFly__ ; then
 579   targetos='DragonFly'
 580 elif check_define __NetBSD__; then
 581   targetos='NetBSD'
 582 elif check_define __APPLE__; then
 583   targetos='Darwin'
 584 else
 585   # This is a fatal error, but don't report it yet, because we
 586   # might be going to just print the --help text, or it might
 587   # be the result of a missing compiler.
 588   targetos='bogus'
 589   bogus_os='yes'
 590 fi
 591
 592 # Some host OSes need non-standard checks for which CPU to use.
 593 # Note that these checks are broken for cross-compilation: if you're
 594 # cross-compiling to one of these OSes then you'll need to specify
 595 # the correct CPU with the --cpu option.
 596 case $targetos in
 597 Darwin)
 598   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 599   # run 64-bit userspace code.
 600   # If the user didn't specify a CPU explicitly and the kernel says this is
 601   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 602   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 603     cpu="x86_64"
 604   fi
 605   ;;
 606 SunOS)
 607   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 608   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 609     cpu="x86_64"
 610   fi
 611 esac
 612
 613 if test ! -z "$cpu" ; then
 614   # command line argument
 615   :
 616 elif check_define __i386__ ; then
 617   cpu="i386"
 618 elif check_define __x86_64__ ; then
 619   if check_define __ILP32__ ; then
 620     cpu="x32"
 621   else
 622     cpu="x86_64"
 623   fi
 624 elif check_define __sparc__ ; then
 625   if check_define __arch64__ ; then
 626     cpu="sparc64"
 627   else
 628     cpu="sparc"
 629   fi
 630 elif check_define _ARCH_PPC ; then
 631   if check_define _ARCH_PPC64 ; then
 632     cpu="ppc64"
 633   else
 634     cpu="ppc"
 635   fi
 636 elif check_define __mips__ ; then
 637   cpu="mips"
 638 elif check_define __ia64__ ; then
 639   cpu="ia64"
 640 elif check_define __s390__ ; then
 641   if check_define __s390x__ ; then
 642     cpu="s390x"
 643   else
 644     cpu="s390"
 645   fi
 646 elif check_define __arm__ ; then
 647   cpu="arm"
 648 elif check_define __aarch64__ ; then
 649   cpu="aarch64"
 650 else
 651   cpu=$(uname -m)
 652 fi
 653
 654 ARCH=
 655 # Normalise host CPU name and set ARCH.
 656 # Note that this case should only have supported host CPUs, not guests.
 657 case "$cpu" in
 658   ppc|ppc64|s390|s390x|sparc64|x32)
 659     cpu="$cpu"
 660     supported_cpu="yes"
 661   ;;
 662   i386|i486|i586|i686|i86pc|BePC)
 663     cpu="i386"
 664     supported_cpu="yes"
 665   ;;
 666   x86_64|amd64)
 667     cpu="x86_64"
 668     supported_cpu="yes"
 669   ;;
 670   armv*b|armv*l|arm)
 671     cpu="arm"
 672     supported_cpu="yes"
 673   ;;
 674   aarch64)
 675     cpu="aarch64"
 676     supported_cpu="yes"
 677   ;;
 678   mips*)
 679     cpu="mips"
 680     supported_cpu="yes"
 681   ;;
 682   sparc|sun4[cdmuv])
 683     cpu="sparc"
 684     supported_cpu="yes"
 685   ;;
 686   *)
 687     # This will result in either an error or falling back to TCI later
 688     ARCH=unknown
 689   ;;
 690 esac
 691 if test -z "$ARCH"; then
 692   ARCH="$cpu"
 693 fi
 694
 695 # OS specific
 696
 697 # host *BSD for user mode
 698 HOST_VARIANT_DIR=""
 699
 700 case $targetos in
 701 MINGW32*)
 702   mingw32="yes"
 703   hax="yes"
 704   audio_possible_drivers="dsound sdl"
 705   if check_include dsound.h; then
 706     audio_drv_list="dsound"
 707   else
 708     audio_drv_list=""
 709   fi
 710   supported_os="yes"
 711 ;;
 712 GNU/kFreeBSD)
 713   bsd="yes"
 714   audio_drv_list="oss"
 715   audio_possible_drivers="oss sdl pa"
 716 ;;
 717 FreeBSD)
 718   bsd="yes"
 719   make="${MAKE-gmake}"
 720   audio_drv_list="oss"
 721   audio_possible_drivers="oss sdl pa"
 722   # needed for kinfo_getvmmap(3) in libutil.h
 723   LIBS="-lutil $LIBS"
 724   # needed for kinfo_getproc
 725   libs_qga="-lutil $libs_qga"
 726   netmap=""  # enable netmap autodetect
 727   HOST_VARIANT_DIR="freebsd"
 728   supported_os="yes"
 729 ;;
 730 DragonFly)
 731   bsd="yes"
 732   make="${MAKE-gmake}"
 733   audio_drv_list="oss"
 734   audio_possible_drivers="oss sdl pa"
 735   HOST_VARIANT_DIR="dragonfly"
 736 ;;
 737 NetBSD)
 738   bsd="yes"
 739   make="${MAKE-gmake}"
 740   audio_drv_list="oss"
 741   audio_possible_drivers="oss sdl"
 742   oss_lib="-lossaudio"
 743   HOST_VARIANT_DIR="netbsd"
 744   supported_os="yes"
 745 ;;
 746 OpenBSD)
 747   bsd="yes"
 748   make="${MAKE-gmake}"
 749   audio_drv_list="sdl"
 750   audio_possible_drivers="sdl"
 751   HOST_VARIANT_DIR="openbsd"
 752 ;;
 753 Darwin)
 754   bsd="yes"
 755   darwin="yes"
 756   hax="yes"
 757   hvf="yes"
 758   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 759   if [ "$cpu" = "x86_64" ] ; then
 760     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 761     LDFLAGS="-arch x86_64 $LDFLAGS"
 762   fi
 763   cocoa="yes"
 764   audio_drv_list="coreaudio"
 765   audio_possible_drivers="coreaudio sdl"
 766   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 767   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 768   # Disable attempts to use ObjectiveC features in os/object.h since they
 769   # won't work when we're compiling with gcc as a C compiler.
 770   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 771   HOST_VARIANT_DIR="darwin"
 772   supported_os="yes"
 773 ;;
 774 SunOS)
 775   solaris="yes"
 776   make="${MAKE-gmake}"
 777   install="${INSTALL-ginstall}"
 778   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 779   if test -f /usr/include/sys/soundcard.h ; then
 780     audio_drv_list="oss"
 781   fi
 782   audio_possible_drivers="oss sdl"
 783 # needed for CMSG_ macros in sys/socket.h
 784   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 785 # needed for TIOCWIN* defines in termios.h
 786   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 787   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 788   solarisnetlibs="-lsocket -lnsl -lresolv"
 789   LIBS="$solarisnetlibs $LIBS"
 790   libs_qga="$solarisnetlibs $libs_qga"
 791 ;;
 792 Haiku)
 793   haiku="yes"
 794   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 795   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 796 ;;
 797 Linux)
 798   audio_drv_list="oss"
 799   audio_possible_drivers="oss alsa sdl pa"
 800   linux="yes"
 801   linux_user="yes"
 802   kvm="yes"
 803   vhost_net="yes"
 804   vhost_scsi="yes"
 805   vhost_vsock="yes"
 806   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 807   supported_os="yes"
 808 ;;
 809 esac
 810
 811 if [ "$bsd" = "yes" ] ; then
 812   if [ "$darwin" != "yes" ] ; then
 813     bsd_user="yes"
 814   fi
 815 fi
 816
 817 : ${make=${MAKE-make}}
 818 : ${install=${INSTALL-install}}
 819 : ${python=${PYTHON-python}}
 820 : ${smbd=${SMBD-/usr/sbin/smbd}}
 821
 822 # Default objcc to clang if available, otherwise use CC
 823 if has clang; then
 824   objcc=clang
 825 else
 826   objcc="$cc"
 827 fi
 828
 829 if test "$mingw32" = "yes" ; then
 830   EXESUF=".exe"
 831   DSOSUF=".dll"
 832   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 833   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 834   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 835   # MinGW needs -mthreads for TLS and macro _MT.
 836   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 837   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 838   write_c_skeleton;
 839   if compile_prog "" "-liberty" ; then
 840     LIBS="-liberty $LIBS"
 841   fi
 842   prefix="c:/Program Files/QEMU"
 843   mandir="\${prefix}"
 844   datadir="\${prefix}"
 845   qemu_docdir="\${prefix}"
 846   bindir="\${prefix}"
 847   sysconfdir="\${prefix}"
 848   local_statedir=
 849   confsuffix=""
 850   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 851 fi
 852
 853 werror=""
 854
 855 for opt do
 856   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 857   case "$opt" in
 858   --help|-h) show_help=yes
 859   ;;
 860   --version|-V) exec cat $source_path/VERSION
 861   ;;
 862   --prefix=*) prefix="$optarg"
 863   ;;
 864   --interp-prefix=*) interp_prefix="$optarg"
 865   ;;
 866   --source-path=*)
 867   ;;
 868   --cross-prefix=*)
 869   ;;
 870   --cc=*)
 871   ;;
 872   --host-cc=*) host_cc="$optarg"
 873   ;;
 874   --cxx=*)
 875   ;;
 876   --iasl=*) iasl="$optarg"
 877   ;;
 878   --objcc=*) objcc="$optarg"
 879   ;;
 880   --make=*) make="$optarg"
 881   ;;
 882   --install=*) install="$optarg"
 883   ;;
 884   --python=*) python="$optarg"
 885   ;;
 886   --gcov=*) gcov_tool="$optarg"
 887   ;;
 888   --smbd=*) smbd="$optarg"
 889   ;;
 890   --extra-cflags=*)
 891   ;;
 892   --extra-cxxflags=*)
 893   ;;
 894   --extra-ldflags=*)
 895   ;;
 896   --enable-debug-info)
 897   ;;
 898   --disable-debug-info)
 899   ;;
 900   --enable-modules)
 901       modules="yes"
 902   ;;
 903   --disable-modules)
 904       modules="no"
 905   ;;
 906   --cpu=*)
 907   ;;
 908   --target-list=*) target_list="$optarg"
 909   ;;
 910   --enable-trace-backends=*) trace_backends="$optarg"
 911   ;;
 912   # XXX: backwards compatibility
 913   --enable-trace-backend=*) trace_backends="$optarg"
 914   ;;
 915   --with-trace-file=*) trace_file="$optarg"
 916   ;;
 917   --enable-gprof) gprof="yes"
 918   ;;
 919   --enable-gcov) gcov="yes"
 920   ;;
 921   --static)
 922     static="yes"
 923     LDFLAGS="-static $LDFLAGS"
 924     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 925   ;;
 926   --mandir=*) mandir="$optarg"
 927   ;;
 928   --bindir=*) bindir="$optarg"
 929   ;;
 930   --libdir=*) libdir="$optarg"
 931   ;;
 932   --libexecdir=*) libexecdir="$optarg"
 933   ;;
 934   --includedir=*) includedir="$optarg"
 935   ;;
 936   --datadir=*) datadir="$optarg"
 937   ;;
 938   --with-confsuffix=*) confsuffix="$optarg"
 939   ;;
 940   --docdir=*) qemu_docdir="$optarg"
 941   ;;
 942   --sysconfdir=*) sysconfdir="$optarg"
 943   ;;
 944   --localstatedir=*) local_statedir="$optarg"
 945   ;;
 946   --firmwarepath=*) firmwarepath="$optarg"
 947   ;;
 948   --sbindir=*|--sharedstatedir=*|\
 949   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 950   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 951     # These switches are silently ignored, for compatibility with
 952     # autoconf-generated configure scripts. This allows QEMU's
 953     # configure to be used by RPM and similar macros that set
 954     # lots of directory switches by default.
 955   ;;
 956   --disable-sdl) sdl="no"
 957   ;;
 958   --enable-sdl) sdl="yes"
 959   ;;
 960   --with-sdlabi=*) sdlabi="$optarg"
 961   ;;
 962   --disable-qom-cast-debug) qom_cast_debug="no"
 963   ;;
 964   --enable-qom-cast-debug) qom_cast_debug="yes"
 965   ;;
 966   --disable-virtfs) virtfs="no"
 967   ;;
 968   --enable-virtfs) virtfs="yes"
 969   ;;
 970   --disable-mpath) mpath="no"
 971   ;;
 972   --enable-mpath) mpath="yes"
 973   ;;
 974   --disable-vnc) vnc="no"
 975   ;;
 976   --enable-vnc) vnc="yes"
 977   ;;
 978   --oss-lib=*) oss_lib="$optarg"
 979   ;;
 980   --audio-drv-list=*) audio_drv_list="$optarg"
 981   ;;
 982   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 983   ;;
 984   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 985   ;;
 986   --enable-debug-tcg) debug_tcg="yes"
 987   ;;
 988   --disable-debug-tcg) debug_tcg="no"
 989   ;;
 990   --enable-debug)
 991       # Enable debugging options that aren't excessively noisy
 992       debug_tcg="yes"
 993       debug="yes"
 994       strip_opt="no"
 995       fortify_source="no"
 996   ;;
 997   --enable-sparse) sparse="yes"
 998   ;;
 999   --disable-sparse) sparse="no"
1000   ;;
1001   --disable-strip) strip_opt="no"
1002   ;;
1003   --disable-vnc-sasl) vnc_sasl="no"
1004   ;;
1005   --enable-vnc-sasl) vnc_sasl="yes"
1006   ;;
1007   --disable-vnc-jpeg) vnc_jpeg="no"
1008   ;;
1009   --enable-vnc-jpeg) vnc_jpeg="yes"
1010   ;;
1011   --disable-vnc-png) vnc_png="no"
1012   ;;
1013   --enable-vnc-png) vnc_png="yes"
1014   ;;
1015   --disable-slirp) slirp="no"
1016   ;;
1017   --disable-vde) vde="no"
1018   ;;
1019   --enable-vde) vde="yes"
1020   ;;
1021   --disable-netmap) netmap="no"
1022   ;;
1023   --enable-netmap) netmap="yes"
1024   ;;
1025   --disable-xen) xen="no"
1026   ;;
1027   --enable-xen) xen="yes"
1028   ;;
1029   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1030   ;;
1031   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1032   ;;
1033   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
1034   ;;
1035   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1036   ;;
1037   --disable-brlapi) brlapi="no"
1038   ;;
1039   --enable-brlapi) brlapi="yes"
1040   ;;
1041   --disable-bluez) bluez="no"
1042   ;;
1043   --enable-bluez) bluez="yes"
1044   ;;
1045   --disable-kvm) kvm="no"
1046   ;;
1047   --enable-kvm) kvm="yes"
1048   ;;
1049   --disable-hax) hax="no"
1050   ;;
1051   --enable-hax) hax="yes"
1052   ;;
1053   --disable-hvf) hvf="no"
1054   ;;
1055   --enable-hvf) hvf="yes"
1056   ;;
1057   --disable-tcg-interpreter) tcg_interpreter="no"
1058   ;;
1059   --enable-tcg-interpreter) tcg_interpreter="yes"
1060   ;;
1061   --disable-cap-ng)  cap_ng="no"
1062   ;;
1063   --enable-cap-ng) cap_ng="yes"
1064   ;;
1065   --disable-tcg) tcg="no"
1066   ;;
1067   --enable-tcg) tcg="yes"
1068   ;;
1069   --disable-malloc-trim) malloc_trim="no"
1070   ;;
1071   --enable-malloc-trim) malloc_trim="yes"
1072   ;;
1073   --disable-spice) spice="no"
1074   ;;
1075   --enable-spice) spice="yes"
1076   ;;
1077   --disable-libiscsi) libiscsi="no"
1078   ;;
1079   --enable-libiscsi) libiscsi="yes"
1080   ;;
1081   --disable-libnfs) libnfs="no"
1082   ;;
1083   --enable-libnfs) libnfs="yes"
1084   ;;
1085   --enable-profiler) profiler="yes"
1086   ;;
1087   --disable-cocoa) cocoa="no"
1088   ;;
1089   --enable-cocoa)
1090       cocoa="yes" ;
1091       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1092   ;;
1093   --disable-system) softmmu="no"
1094   ;;
1095   --enable-system) softmmu="yes"
1096   ;;
1097   --disable-user)
1098       linux_user="no" ;
1099       bsd_user="no" ;
1100   ;;
1101   --enable-user) ;;
1102   --disable-linux-user) linux_user="no"
1103   ;;
1104   --enable-linux-user) linux_user="yes"
1105   ;;
1106   --disable-bsd-user) bsd_user="no"
1107   ;;
1108   --enable-bsd-user) bsd_user="yes"
1109   ;;
1110   --enable-pie) pie="yes"
1111   ;;
1112   --disable-pie) pie="no"
1113   ;;
1114   --enable-werror) werror="yes"
1115   ;;
1116   --disable-werror) werror="no"
1117   ;;
1118   --enable-stack-protector) stack_protector="yes"
1119   ;;
1120   --disable-stack-protector) stack_protector="no"
1121   ;;
1122   --disable-curses) curses="no"
1123   ;;
1124   --enable-curses) curses="yes"
1125   ;;
1126   --disable-curl) curl="no"
1127   ;;
1128   --enable-curl) curl="yes"
1129   ;;
1130   --disable-fdt) fdt="no"
1131   ;;
1132   --enable-fdt) fdt="yes"
1133   ;;
1134   --disable-linux-aio) linux_aio="no"
1135   ;;
1136   --enable-linux-aio) linux_aio="yes"
1137   ;;
1138   --disable-attr) attr="no"
1139   ;;
1140   --enable-attr) attr="yes"
1141   ;;
1142   --disable-blobs) blobs="no"
1143   ;;
1144   --with-pkgversion=*) pkgversion=" ($optarg)"
1145   ;;
1146   --with-coroutine=*) coroutine="$optarg"
1147   ;;
1148   --disable-coroutine-pool) coroutine_pool="no"
1149   ;;
1150   --enable-coroutine-pool) coroutine_pool="yes"
1151   ;;
1152   --enable-debug-stack-usage) debug_stack_usage="yes"
1153   ;;
1154   --enable-crypto-afalg) crypto_afalg="yes"
1155   ;;
1156   --disable-crypto-afalg) crypto_afalg="no"
1157   ;;
1158   --disable-docs) docs="no"
1159   ;;
1160   --enable-docs) docs="yes"
1161   ;;
1162   --disable-vhost-net) vhost_net="no"
1163   ;;
1164   --enable-vhost-net) vhost_net="yes"
1165   ;;
1166   --disable-vhost-scsi) vhost_scsi="no"
1167   ;;
1168   --enable-vhost-scsi) vhost_scsi="yes"
1169   ;;
1170   --disable-vhost-vsock) vhost_vsock="no"
1171   ;;
1172   --enable-vhost-vsock) vhost_vsock="yes"
1173   ;;
1174   --disable-opengl) opengl="no"
1175   ;;
1176   --enable-opengl) opengl="yes"
1177   ;;
1178   --disable-rbd) rbd="no"
1179   ;;
1180   --enable-rbd) rbd="yes"
1181   ;;
1182   --disable-xfsctl) xfs="no"
1183   ;;
1184   --enable-xfsctl) xfs="yes"
1185   ;;
1186   --disable-smartcard) smartcard="no"
1187   ;;
1188   --enable-smartcard) smartcard="yes"
1189   ;;
1190   --disable-libusb) libusb="no"
1191   ;;
1192   --enable-libusb) libusb="yes"
1193   ;;
1194   --disable-usb-redir) usb_redir="no"
1195   ;;
1196   --enable-usb-redir) usb_redir="yes"
1197   ;;
1198   --disable-zlib-test) zlib="no"
1199   ;;
1200   --disable-lzo) lzo="no"
1201   ;;
1202   --enable-lzo) lzo="yes"
1203   ;;
1204   --disable-snappy) snappy="no"
1205   ;;
1206   --enable-snappy) snappy="yes"
1207   ;;
1208   --disable-bzip2) bzip2="no"
1209   ;;
1210   --enable-bzip2) bzip2="yes"
1211   ;;
1212   --enable-guest-agent) guest_agent="yes"
1213   ;;
1214   --disable-guest-agent) guest_agent="no"
1215   ;;
1216   --enable-guest-agent-msi) guest_agent_msi="yes"
1217   ;;
1218   --disable-guest-agent-msi) guest_agent_msi="no"
1219   ;;
1220   --with-vss-sdk) vss_win32_sdk=""
1221   ;;
1222   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1223   ;;
1224   --without-vss-sdk) vss_win32_sdk="no"
1225   ;;
1226   --with-win-sdk) win_sdk=""
1227   ;;
1228   --with-win-sdk=*) win_sdk="$optarg"
1229   ;;
1230   --without-win-sdk) win_sdk="no"
1231   ;;
1232   --enable-tools) want_tools="yes"
1233   ;;
1234   --disable-tools) want_tools="no"
1235   ;;
1236   --enable-seccomp) seccomp="yes"
1237   ;;
1238   --disable-seccomp) seccomp="no"
1239   ;;
1240   --disable-glusterfs) glusterfs="no"
1241   ;;
1242   --enable-glusterfs) glusterfs="yes"
1243   ;;
1244   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1245       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1246   ;;
1247   --enable-vhdx|--disable-vhdx)
1248       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1249   ;;
1250   --enable-uuid|--disable-uuid)
1251       echo "$0: $opt is obsolete, UUID support is always built" >&2
1252   ;;
1253   --disable-gtk) gtk="no"
1254   ;;
1255   --enable-gtk) gtk="yes"
1256   ;;
1257   --tls-priority=*) tls_priority="$optarg"
1258   ;;
1259   --disable-gnutls) gnutls="no"
1260   ;;
1261   --enable-gnutls) gnutls="yes"
1262   ;;
1263   --disable-nettle) nettle="no"
1264   ;;
1265   --enable-nettle) nettle="yes"
1266   ;;
1267   --disable-gcrypt) gcrypt="no"
1268   ;;
1269   --enable-gcrypt) gcrypt="yes"
1270   ;;
1271   --enable-rdma) rdma="yes"
1272   ;;
1273   --disable-rdma) rdma="no"
1274   ;;
1275   --with-gtkabi=*) gtkabi="$optarg"
1276   ;;
1277   --disable-vte) vte="no"
1278   ;;
1279   --enable-vte) vte="yes"
1280   ;;
1281   --disable-virglrenderer) virglrenderer="no"
1282   ;;
1283   --enable-virglrenderer) virglrenderer="yes"
1284   ;;
1285   --disable-tpm) tpm="no"
1286   ;;
1287   --enable-tpm) tpm="yes"
1288   ;;
1289   --disable-libssh2) libssh2="no"
1290   ;;
1291   --enable-libssh2) libssh2="yes"
1292   ;;
1293   --disable-live-block-migration) live_block_migration="no"
1294   ;;
1295   --enable-live-block-migration) live_block_migration="yes"
1296   ;;
1297   --disable-numa) numa="no"
1298   ;;
1299   --enable-numa) numa="yes"
1300   ;;
1301   --disable-tcmalloc) tcmalloc="no"
1302   ;;
1303   --enable-tcmalloc) tcmalloc="yes"
1304   ;;
1305   --disable-jemalloc) jemalloc="no"
1306   ;;
1307   --enable-jemalloc) jemalloc="yes"
1308   ;;
1309   --disable-replication) replication="no"
1310   ;;
1311   --enable-replication) replication="yes"
1312   ;;
1313   --disable-vxhs) vxhs="no"
1314   ;;
1315   --enable-vxhs) vxhs="yes"
1316   ;;
1317   --disable-vhost-user) vhost_user="no"
1318   ;;
1319   --enable-vhost-user)
1320       vhost_user="yes"
1321       if test "$mingw32" = "yes"; then
1322           error_exit "vhost-user isn't available on win32"
1323       fi
1324   ;;
1325   --disable-capstone) capstone="no"
1326   ;;
1327   --enable-capstone) capstone="yes"
1328   ;;
1329   --enable-capstone=git) capstone="git"
1330   ;;
1331   --enable-capstone=system) capstone="system"
1332   ;;
1333   --with-git=*) git="$optarg"
1334   ;;
1335   --enable-git-update) git_update=yes
1336   ;;
1337   --disable-git-update) git_update=no
1338   ;;
1339   *)
1340       echo "ERROR: unknown option $opt"
1341       echo "Try '$0 --help' for more information"
1342       exit 1
1343   ;;
1344   esac
1345 done
1346
1347 if test "$vhost_user" = ""; then
1348     if test "$mingw32" = "yes"; then
1349         vhost_user="no"
1350     else
1351         vhost_user="yes"
1352     fi
1353 fi
1354
1355 case "$cpu" in
1356     ppc)
1357            CPU_CFLAGS="-m32"
1358            LDFLAGS="-m32 $LDFLAGS"
1359            ;;
1360     ppc64)
1361            CPU_CFLAGS="-m64"
1362            LDFLAGS="-m64 $LDFLAGS"
1363            ;;
1364     sparc)
1365            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1366            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1367            ;;
1368     sparc64)
1369            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1370            LDFLAGS="-m64 $LDFLAGS"
1371            ;;
1372     s390)
1373            CPU_CFLAGS="-m31"
1374            LDFLAGS="-m31 $LDFLAGS"
1375            ;;
1376     s390x)
1377            CPU_CFLAGS="-m64"
1378            LDFLAGS="-m64 $LDFLAGS"
1379            ;;
1380     i386)
1381            CPU_CFLAGS="-m32"
1382            LDFLAGS="-m32 $LDFLAGS"
1383            cc_i386='$(CC) -m32'
1384            ;;
1385     x86_64)
1386            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1387            # If we truly care, we should simply detect this case at
1388            # runtime and generate the fallback to serial emulation.
1389            CPU_CFLAGS="-m64 -mcx16"
1390            LDFLAGS="-m64 $LDFLAGS"
1391            cc_i386='$(CC) -m32'
1392            ;;
1393     x32)
1394            CPU_CFLAGS="-mx32"
1395            LDFLAGS="-mx32 $LDFLAGS"
1396            cc_i386='$(CC) -m32'
1397            ;;
1398     # No special flags required for other host CPUs
1399 esac
1400
1401 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1402 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1403
1404 # For user-mode emulation the host arch has to be one we explicitly
1405 # support, even if we're using TCI.
1406 if [ "$ARCH" = "unknown" ]; then
1407   bsd_user="no"
1408   linux_user="no"
1409 fi
1410
1411 default_target_list=""
1412
1413 mak_wilds=""
1414
1415 if [ "$softmmu" = "yes" ]; then
1416     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1417 fi
1418 if [ "$linux_user" = "yes" ]; then
1419     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1420 fi
1421 if [ "$bsd_user" = "yes" ]; then
1422     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1423 fi
1424
1425 for config in $mak_wilds; do
1426     default_target_list="${default_target_list} $(basename "$config" .mak)"
1427 done
1428
1429 # Enumerate public trace backends for --help output
1430 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1431
1432 if test x"$show_help" = x"yes" ; then
1433 cat << EOF
1434
1435 Usage: configure [options]
1436 Options: [defaults in brackets after descriptions]
1437
1438 Standard options:
1439   --help                   print this message
1440   --prefix=PREFIX          install in PREFIX [$prefix]
1441   --interp-prefix=PREFIX   where to find shared libraries, etc.
1442                            use %M for cpu name [$interp_prefix]
1443   --target-list=LIST       set target list (default: build everything)
1444 $(echo Available targets: $default_target_list | \
1445   fold -s -w 53 | sed -e 's/^/                           /')
1446
1447 Advanced options (experts only):
1448   --source-path=PATH       path of source code [$source_path]
1449   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1450   --cc=CC                  use C compiler CC [$cc]
1451   --iasl=IASL              use ACPI compiler IASL [$iasl]
1452   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1453                            build time
1454   --cxx=CXX                use C++ compiler CXX [$cxx]
1455   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1456   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1457   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1458   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1459   --make=MAKE              use specified make [$make]
1460   --install=INSTALL        use specified install [$install]
1461   --python=PYTHON          use specified python [$python]
1462   --smbd=SMBD              use specified smbd [$smbd]
1463   --static                 enable static build [$static]
1464   --mandir=PATH            install man pages in PATH
1465   --datadir=PATH           install firmware in PATH$confsuffix
1466   --docdir=PATH            install documentation in PATH$confsuffix
1467   --bindir=PATH            install binaries in PATH
1468   --libdir=PATH            install libraries in PATH
1469   --sysconfdir=PATH        install config in PATH$confsuffix
1470   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1471   --firmwarepath=PATH      search PATH for firmware files
1472   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1473   --enable-debug           enable common debug build options
1474   --disable-strip          disable stripping binaries
1475   --disable-werror         disable compilation abort on warning
1476   --disable-stack-protector disable compiler-provided stack protection
1477   --audio-drv-list=LIST    set audio drivers list:
1478                            Available drivers: $audio_possible_drivers
1479   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1480   --block-drv-rw-whitelist=L
1481                            set block driver read-write whitelist
1482                            (affects only QEMU, not qemu-img)
1483   --block-drv-ro-whitelist=L
1484                            set block driver read-only whitelist
1485                            (affects only QEMU, not qemu-img)
1486   --enable-trace-backends=B Set trace backend
1487                            Available backends: $trace_backend_list
1488   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1489                            Default:trace-<pid>
1490   --disable-slirp          disable SLIRP userspace network connectivity
1491   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1492   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1493   --oss-lib                path to OSS library
1494   --cpu=CPU                Build for host CPU [$cpu]
1495   --with-coroutine=BACKEND coroutine backend. Supported options:
1496                            ucontext, sigaltstack, windows
1497   --enable-gcov            enable test coverage analysis with gcov
1498   --gcov=GCOV              use specified gcov [$gcov_tool]
1499   --disable-blobs          disable installing provided firmware blobs
1500   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1501   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1502   --tls-priority           default TLS protocol/cipher priority string
1503   --enable-gprof           QEMU profiling with gprof
1504   --enable-profiler        profiler support
1505   --enable-xen-pv-domain-build
1506                            xen pv domain builder
1507   --enable-debug-stack-usage
1508                            track the maximum stack usage of stacks created by qemu_alloc_stack
1509
1510 Optional features, enabled with --enable-FEATURE and
1511 disabled with --disable-FEATURE, default is enabled if available:
1512
1513   system          all system emulation targets
1514   user            supported user emulation targets
1515   linux-user      all linux usermode emulation targets
1516   bsd-user        all BSD usermode emulation targets
1517   docs            build documentation
1518   guest-agent     build the QEMU Guest Agent
1519   guest-agent-msi build guest agent Windows MSI installation package
1520   pie             Position Independent Executables
1521   modules         modules support
1522   debug-tcg       TCG debugging (default is disabled)
1523   debug-info      debugging information
1524   sparse          sparse checker
1525
1526   gnutls          GNUTLS cryptography support
1527   nettle          nettle cryptography support
1528   gcrypt          libgcrypt cryptography support
1529   sdl             SDL UI
1530   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1531   gtk             gtk UI
1532   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1533   vte             vte support for the gtk UI
1534   curses          curses UI
1535   vnc             VNC UI support
1536   vnc-sasl        SASL encryption for VNC server
1537   vnc-jpeg        JPEG lossy compression for VNC server
1538   vnc-png         PNG compression for VNC server
1539   cocoa           Cocoa UI (Mac OS X only)
1540   virtfs          VirtFS
1541   mpath           Multipath persistent reservation passthrough
1542   xen             xen backend driver support
1543   xen-pci-passthrough
1544   brlapi          BrlAPI (Braile)
1545   curl            curl connectivity
1546   fdt             fdt device tree
1547   bluez           bluez stack connectivity
1548   kvm             KVM acceleration support
1549   hax             HAX acceleration support
1550   hvf             Hypervisor.framework acceleration support
1551   rdma            RDMA-based migration support
1552   vde             support for vde network
1553   netmap          support for netmap network
1554   linux-aio       Linux AIO support
1555   cap-ng          libcap-ng support
1556   attr            attr and xattr support
1557   vhost-net       vhost-net acceleration support
1558   spice           spice
1559   rbd             rados block device (rbd)
1560   libiscsi        iscsi support
1561   libnfs          nfs support
1562   smartcard       smartcard support (libcacard)
1563   libusb          libusb (for usb passthrough)
1564   live-block-migration   Block migration in the main migration stream
1565   usb-redir       usb network redirection support
1566   lzo             support of lzo compression library
1567   snappy          support of snappy compression library
1568   bzip2           support of bzip2 compression library
1569                   (for reading bzip2-compressed dmg images)
1570   seccomp         seccomp support
1571   coroutine-pool  coroutine freelist (better performance)
1572   glusterfs       GlusterFS backend
1573   tpm             TPM support
1574   libssh2         ssh block device support
1575   numa            libnuma support
1576   tcmalloc        tcmalloc support
1577   jemalloc        jemalloc support
1578   replication     replication support
1579   vhost-vsock     virtio sockets device support
1580   opengl          opengl support
1581   virglrenderer   virgl rendering support
1582   xfsctl          xfsctl support
1583   qom-cast-debug  cast debugging support
1584   tools           build qemu-io, qemu-nbd and qemu-image tools
1585   vxhs            Veritas HyperScale vDisk backend support
1586   crypto-afalg    Linux AF_ALG crypto backend driver
1587   vhost-user      vhost-user support
1588   capstone        capstone disassembler support
1589
1590 NOTE: The object files are built at the place where configure is launched
1591 EOF
1592 exit 0
1593 fi
1594
1595 if ! has $python; then
1596   error_exit "Python not found. Use --python=/path/to/python"
1597 fi
1598
1599 # Note that if the Python conditional here evaluates True we will exit
1600 # with status 1 which is a shell 'false' value.
1601 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1602   error_exit "Cannot use '$python', Python 2.6 or later is required." \
1603       "Note that Python 3 or later is not yet supported." \
1604       "Use --python=/path/to/python to specify a supported Python."
1605 fi
1606
1607 # Suppress writing compiled files
1608 python="$python -B"
1609
1610 # Check that the C compiler works. Doing this here before testing
1611 # the host CPU ensures that we had a valid CC to autodetect the
1612 # $cpu var (and we should bail right here if that's not the case).
1613 # It also allows the help message to be printed without a CC.
1614 write_c_skeleton;
1615 if compile_object ; then
1616   : C compiler works ok
1617 else
1618     error_exit "\"$cc\" either does not exist or does not work"
1619 fi
1620 if ! compile_prog ; then
1621     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1622 fi
1623
1624 # Now we have handled --enable-tcg-interpreter and know we're not just
1625 # printing the help message, bail out if the host CPU isn't supported.
1626 if test "$ARCH" = "unknown"; then
1627     if test "$tcg_interpreter" = "yes" ; then
1628         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1629     else
1630         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1631     fi
1632 fi
1633
1634 # Consult white-list to determine whether to enable werror
1635 # by default.  Only enable by default for git builds
1636 if test -z "$werror" ; then
1637     if test -d "$source_path/.git" -a \
1638         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1639         werror="yes"
1640     else
1641         werror="no"
1642     fi
1643 fi
1644
1645 if test "$bogus_os" = "yes"; then
1646     # Now that we know that we're not printing the help and that
1647     # the compiler works (so the results of the check_defines we used
1648     # to identify the OS are reliable), if we didn't recognize the
1649     # host OS we should stop now.
1650     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1651 fi
1652
1653 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1654 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1655 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1656 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1657 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1658 gcc_flags="-Wno-string-plus-int $gcc_flags"
1659 # Note that we do not add -Werror to gcc_flags here, because that would
1660 # enable it for all configure tests. If a configure test failed due
1661 # to -Werror this would just silently disable some features,
1662 # so it's too error prone.
1663
1664 cc_has_warning_flag() {
1665     write_c_skeleton;
1666
1667     # Use the positive sense of the flag when testing for -Wno-wombat
1668     # support (gcc will happily accept the -Wno- form of unknown
1669     # warning options).
1670     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1671     compile_prog "-Werror $optflag" ""
1672 }
1673
1674 for flag in $gcc_flags; do
1675     if cc_has_warning_flag $flag ; then
1676         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1677     fi
1678 done
1679
1680 if test "$stack_protector" != "no"; then
1681   cat > $TMPC << EOF
1682 int main(int argc, char *argv[])
1683 {
1684     char arr[64], *p = arr, *c = argv[0];
1685     while (*c) {
1686         *p++ = *c++;
1687     }
1688     return 0;
1689 }
1690 EOF
1691   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1692   sp_on=0
1693   for flag in $gcc_flags; do
1694     # We need to check both a compile and a link, since some compiler
1695     # setups fail only on a .c->.o compile and some only at link time
1696     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1697        compile_prog "-Werror $flag" ""; then
1698       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1699       sp_on=1
1700       break
1701     fi
1702   done
1703   if test "$stack_protector" = yes; then
1704     if test $sp_on = 0; then
1705       error_exit "Stack protector not supported"
1706     fi
1707   fi
1708 fi
1709
1710 # Disable -Wmissing-braces on older compilers that warn even for
1711 # the "universal" C zero initializer {0}.
1712 cat > $TMPC << EOF
1713 struct {
1714   int a[2];
1715 } x = {0};
1716 EOF
1717 if compile_object "-Werror" "" ; then
1718   :
1719 else
1720   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1721 fi
1722
1723 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1724 # large functions that use global variables.  The bug is in all releases of
1725 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1726 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1727 cat > $TMPC << EOF
1728 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1729 int main(void) { return 0; }
1730 #else
1731 #error No bug in this compiler.
1732 #endif
1733 EOF
1734 if compile_prog "-Werror -fno-gcse" "" ; then
1735   TRANSLATE_OPT_CFLAGS=-fno-gcse
1736 fi
1737
1738 if test "$static" = "yes" ; then
1739   if test "$modules" = "yes" ; then
1740     error_exit "static and modules are mutually incompatible"
1741   fi
1742   if test "$pie" = "yes" ; then
1743     error_exit "static and pie are mutually incompatible"
1744   else
1745     pie="no"
1746   fi
1747 fi
1748
1749 # Unconditional check for compiler __thread support
1750   cat > $TMPC << EOF
1751 static __thread int tls_var;
1752 int main(void) { return tls_var; }
1753 EOF
1754
1755 if ! compile_prog "-Werror" "" ; then
1756     error_exit "Your compiler does not support the __thread specifier for " \
1757         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1758 fi
1759
1760 if test "$pie" = ""; then
1761   case "$cpu-$targetos" in
1762     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1763       ;;
1764     *)
1765       pie="no"
1766       ;;
1767   esac
1768 fi
1769
1770 if test "$pie" != "no" ; then
1771   cat > $TMPC << EOF
1772
1773 #ifdef __linux__
1774 #  define THREAD __thread
1775 #else
1776 #  define THREAD
1777 #endif
1778
1779 static THREAD int tls_var;
1780
1781 int main(void) { return tls_var; }
1782
1783 EOF
1784   if compile_prog "-fPIE -DPIE" "-pie"; then
1785     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1786     LDFLAGS="-pie $LDFLAGS"
1787     pie="yes"
1788     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1789       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1790     fi
1791   else
1792     if test "$pie" = "yes"; then
1793       error_exit "PIE not available due to missing toolchain support"
1794     else
1795       echo "Disabling PIE due to missing toolchain support"
1796       pie="no"
1797     fi
1798   fi
1799
1800   if compile_prog "-Werror -fno-pie" "-nopie"; then
1801     CFLAGS_NOPIE="-fno-pie"
1802     LDFLAGS_NOPIE="-nopie"
1803   fi
1804 fi
1805
1806 ##########################################
1807 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1808 # use i686 as default anyway, but for those that don't, an explicit
1809 # specification is necessary
1810
1811 if test "$cpu" = "i386"; then
1812   cat > $TMPC << EOF
1813 static int sfaa(int *ptr)
1814 {
1815   return __sync_fetch_and_and(ptr, 0);
1816 }
1817
1818 int main(void)
1819 {
1820   int val = 42;
1821   val = __sync_val_compare_and_swap(&val, 0, 1);
1822   sfaa(&val);
1823   return val;
1824 }
1825 EOF
1826   if ! compile_prog "" "" ; then
1827     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1828   fi
1829 fi
1830
1831 #########################################
1832 # Solaris specific configure tool chain decisions
1833
1834 if test "$solaris" = "yes" ; then
1835   if has $install; then
1836     :
1837   else
1838     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1839         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1840         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1841   fi
1842   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1843     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1844         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1845         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1846   fi
1847   if has ar; then
1848     :
1849   else
1850     if test -f /usr/ccs/bin/ar ; then
1851       error_exit "No path includes ar" \
1852           "Add /usr/ccs/bin to your path and rerun configure"
1853     fi
1854     error_exit "No path includes ar"
1855   fi
1856 fi
1857
1858 if test -z "${target_list+xxx}" ; then
1859     for target in $default_target_list; do
1860         supported_target $target 2>/dev/null && \
1861             target_list="$target_list $target"
1862     done
1863     target_list="${target_list# }"
1864 else
1865     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1866     for target in $target_list; do
1867         # Check that we recognised the target name; this allows a more
1868         # friendly error message than if we let it fall through.
1869         case " $default_target_list " in
1870             *" $target "*)
1871                 ;;
1872             *)
1873                 error_exit "Unknown target name '$target'"
1874                 ;;
1875         esac
1876         supported_target $target || exit 1
1877     done
1878 fi
1879
1880 # see if system emulation was really requested
1881 case " $target_list " in
1882   *"-softmmu "*) softmmu=yes
1883   ;;
1884   *) softmmu=no
1885   ;;
1886 esac
1887
1888 feature_not_found() {
1889   feature=$1
1890   remedy=$2
1891
1892   error_exit "User requested feature $feature" \
1893       "configure was not able to find it." \
1894       "$remedy"
1895 }
1896
1897 # ---
1898 # big/little endian test
1899 cat > $TMPC << EOF
1900 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1901 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1902 extern int foo(short *, short *);
1903 int main(int argc, char *argv[]) {
1904     return foo(big_endian, little_endian);
1905 }
1906 EOF
1907
1908 if compile_object ; then
1909     if grep -q BiGeNdIaN $TMPO ; then
1910         bigendian="yes"
1911     elif grep -q LiTtLeEnDiAn $TMPO ; then
1912         bigendian="no"
1913     else
1914         echo big/little test failed
1915     fi
1916 else
1917     echo big/little test failed
1918 fi
1919
1920 ##########################################
1921 # cocoa implies not SDL or GTK
1922 # (the cocoa UI code currently assumes it is always the active UI
1923 # and doesn't interact well with other UI frontend code)
1924 if test "$cocoa" = "yes"; then
1925     if test "$sdl" = "yes"; then
1926         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1927     fi
1928     if test "$gtk" = "yes"; then
1929         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1930     fi
1931     gtk=no
1932     sdl=no
1933 fi
1934
1935 # Some versions of Mac OS X incorrectly define SIZE_MAX
1936 cat > $TMPC << EOF
1937 #include <stdint.h>
1938 #include <stdio.h>
1939 int main(int argc, char *argv[]) {
1940     return printf("%zu", SIZE_MAX);
1941 }
1942 EOF
1943 have_broken_size_max=no
1944 if ! compile_object -Werror ; then
1945     have_broken_size_max=yes
1946 fi
1947
1948 ##########################################
1949 # L2TPV3 probe
1950
1951 cat > $TMPC <<EOF
1952 #include <sys/socket.h>
1953 #include <linux/ip.h>
1954 int main(void) { return sizeof(struct mmsghdr); }
1955 EOF
1956 if compile_prog "" "" ; then
1957   l2tpv3=yes
1958 else
1959   l2tpv3=no
1960 fi
1961
1962 ##########################################
1963 # MinGW / Mingw-w64 localtime_r/gmtime_r check
1964
1965 if test "$mingw32" = "yes"; then
1966     # Some versions of MinGW / Mingw-w64 lack localtime_r
1967     # and gmtime_r entirely.
1968     #
1969     # Some versions of Mingw-w64 define a macro for
1970     # localtime_r/gmtime_r.
1971     #
1972     # Some versions of Mingw-w64 will define functions
1973     # for localtime_r/gmtime_r, but only if you have
1974     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1975     # though, unistd.h and pthread.h both define
1976     # that for you.
1977     #
1978     # So this #undef localtime_r and #include <unistd.h>
1979     # are not in fact redundant.
1980 cat > $TMPC << EOF
1981 #include <unistd.h>
1982 #include <time.h>
1983 #undef localtime_r
1984 int main(void) { localtime_r(NULL, NULL); return 0; }
1985 EOF
1986     if compile_prog "" "" ; then
1987         localtime_r="yes"
1988     else
1989         localtime_r="no"
1990     fi
1991 fi
1992
1993 ##########################################
1994 # pkg-config probe
1995
1996 if ! has "$pkg_config_exe"; then
1997   error_exit "pkg-config binary '$pkg_config_exe' not found"
1998 fi
1999
2000 ##########################################
2001 # NPTL probe
2002
2003 if test "$linux_user" = "yes"; then
2004   cat > $TMPC <<EOF
2005 #include <sched.h>
2006 #include <linux/futex.h>
2007 int main(void) {
2008 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2009 #error bork
2010 #endif
2011   return 0;
2012 }
2013 EOF
2014   if ! compile_object ; then
2015     feature_not_found "nptl" "Install glibc and linux kernel headers."
2016   fi
2017 fi
2018
2019 #########################################
2020 # zlib check
2021
2022 if test "$zlib" != "no" ; then
2023     cat > $TMPC << EOF
2024 #include <zlib.h>
2025 int main(void) { zlibVersion(); return 0; }
2026 EOF
2027     if compile_prog "" "-lz" ; then
2028         :
2029     else
2030         error_exit "zlib check failed" \
2031             "Make sure to have the zlib libs and headers installed."
2032     fi
2033 fi
2034 LIBS="$LIBS -lz"
2035
2036 ##########################################
2037 # lzo check
2038
2039 if test "$lzo" != "no" ; then
2040     cat > $TMPC << EOF
2041 #include <lzo/lzo1x.h>
2042 int main(void) { lzo_version(); return 0; }
2043 EOF
2044     if compile_prog "" "-llzo2" ; then
2045         libs_softmmu="$libs_softmmu -llzo2"
2046         lzo="yes"
2047     else
2048         if test "$lzo" = "yes"; then
2049             feature_not_found "liblzo2" "Install liblzo2 devel"
2050         fi
2051         lzo="no"
2052     fi
2053 fi
2054
2055 ##########################################
2056 # snappy check
2057
2058 if test "$snappy" != "no" ; then
2059     cat > $TMPC << EOF
2060 #include <snappy-c.h>
2061 int main(void) { snappy_max_compressed_length(4096); return 0; }
2062 EOF
2063     if compile_prog "" "-lsnappy" ; then
2064         libs_softmmu="$libs_softmmu -lsnappy"
2065         snappy="yes"
2066     else
2067         if test "$snappy" = "yes"; then
2068             feature_not_found "libsnappy" "Install libsnappy devel"
2069         fi
2070         snappy="no"
2071     fi
2072 fi
2073
2074 ##########################################
2075 # bzip2 check
2076
2077 if test "$bzip2" != "no" ; then
2078     cat > $TMPC << EOF
2079 #include <bzlib.h>
2080 int main(void) { BZ2_bzlibVersion(); return 0; }
2081 EOF
2082     if compile_prog "" "-lbz2" ; then
2083         bzip2="yes"
2084     else
2085         if test "$bzip2" = "yes"; then
2086             feature_not_found "libbzip2" "Install libbzip2 devel"
2087         fi
2088         bzip2="no"
2089     fi
2090 fi
2091
2092 ##########################################
2093 # libseccomp check
2094
2095 if test "$seccomp" != "no" ; then
2096     case "$cpu" in
2097     i386|x86_64)
2098         libseccomp_minver="2.1.0"
2099         ;;
2100     mips)
2101         libseccomp_minver="2.2.0"
2102         ;;
2103     arm|aarch64)
2104         libseccomp_minver="2.2.3"
2105         ;;
2106     ppc|ppc64|s390x)
2107         libseccomp_minver="2.3.0"
2108         ;;
2109     *)
2110         libseccomp_minver=""
2111         ;;
2112     esac
2113
2114     if test "$libseccomp_minver" != "" &&
2115        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2116         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2117         seccomp_libs="$($pkg_config --libs libseccomp)"
2118         seccomp="yes"
2119     else
2120         if test "$seccomp" = "yes" ; then
2121             if test "$libseccomp_minver" != "" ; then
2122                 feature_not_found "libseccomp" \
2123                     "Install libseccomp devel >= $libseccomp_minver"
2124             else
2125                 feature_not_found "libseccomp" \
2126                     "libseccomp is not supported for host cpu $cpu"
2127             fi
2128         fi
2129         seccomp="no"
2130     fi
2131 fi
2132 ##########################################
2133 # xen probe
2134
2135 if test "$xen" != "no" ; then
2136   # Check whether Xen library path is specified via --extra-ldflags to avoid
2137   # overriding this setting with pkg-config output. If not, try pkg-config
2138   # to obtain all needed flags.
2139
2140   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2141      $pkg_config --exists xencontrol ; then
2142     xen_ctrl_version="$(printf '%d%02d%02d' \
2143       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2144     xen=yes
2145     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2146     xen_pc="$xen_pc xenevtchn xendevicemodel"
2147     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2148     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2149     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2150   else
2151
2152     xen_libs="-lxenstore -lxenctrl -lxenguest"
2153     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2154
2155     # First we test whether Xen headers and libraries are available.
2156     # If no, we are done and there is no Xen support.
2157     # If yes, more tests are run to detect the Xen version.
2158
2159     # Xen (any)
2160     cat > $TMPC <<EOF
2161 #include <xenctrl.h>
2162 int main(void) {
2163   return 0;
2164 }
2165 EOF
2166     if ! compile_prog "" "$xen_libs" ; then
2167       # Xen not found
2168       if test "$xen" = "yes" ; then
2169         feature_not_found "xen" "Install xen devel"
2170       fi
2171       xen=no
2172
2173     # Xen unstable
2174     elif
2175         cat > $TMPC <<EOF &&
2176 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2177 #include <xenforeignmemory.h>
2178 int main(void) {
2179   xenforeignmemory_handle *xfmem;
2180
2181   xfmem = xenforeignmemory_open(0, 0);
2182   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2183
2184   return 0;
2185 }
2186 EOF
2187         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2188       then
2189       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2190       xen_ctrl_version=41000
2191       xen=yes
2192     elif
2193         cat > $TMPC <<EOF &&
2194 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2195 #define __XEN_TOOLS__
2196 #include <xendevicemodel.h>
2197 int main(void) {
2198   xendevicemodel_handle *xd;
2199
2200   xd = xendevicemodel_open(0, 0);
2201   xendevicemodel_close(xd);
2202
2203   return 0;
2204 }
2205 EOF
2206         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2207       then
2208       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2209       xen_ctrl_version=40900
2210       xen=yes
2211     elif
2212         cat > $TMPC <<EOF &&
2213 /*
2214  * If we have stable libs the we don't want the libxc compat
2215  * layers, regardless of what CFLAGS we may have been given.
2216  *
2217  * Also, check if xengnttab_grant_copy_segment_t is defined and
2218  * grant copy operation is implemented.
2219  */
2220 #undef XC_WANT_COMPAT_EVTCHN_API
2221 #undef XC_WANT_COMPAT_GNTTAB_API
2222 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2223 #include <xenctrl.h>
2224 #include <xenstore.h>
2225 #include <xenevtchn.h>
2226 #include <xengnttab.h>
2227 #include <xenforeignmemory.h>
2228 #include <stdint.h>
2229 #include <xen/hvm/hvm_info_table.h>
2230 #if !defined(HVM_MAX_VCPUS)
2231 # error HVM_MAX_VCPUS not defined
2232 #endif
2233 int main(void) {
2234   xc_interface *xc = NULL;
2235   xenforeignmemory_handle *xfmem;
2236   xenevtchn_handle *xe;
2237   xengnttab_handle *xg;
2238   xen_domain_handle_t handle;
2239   xengnttab_grant_copy_segment_t* seg = NULL;
2240
2241   xs_daemon_open();
2242
2243   xc = xc_interface_open(0, 0, 0);
2244   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2245   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2246   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2247   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2248   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2249
2250   xfmem = xenforeignmemory_open(0, 0);
2251   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2252
2253   xe = xenevtchn_open(0, 0);
2254   xenevtchn_fd(xe);
2255
2256   xg = xengnttab_open(0, 0);
2257   xengnttab_grant_copy(xg, 0, seg);
2258
2259   return 0;
2260 }
2261 EOF
2262         compile_prog "" "$xen_libs $xen_stable_libs"
2263       then
2264       xen_ctrl_version=40800
2265       xen=yes
2266     elif
2267         cat > $TMPC <<EOF &&
2268 /*
2269  * If we have stable libs the we don't want the libxc compat
2270  * layers, regardless of what CFLAGS we may have been given.
2271  */
2272 #undef XC_WANT_COMPAT_EVTCHN_API
2273 #undef XC_WANT_COMPAT_GNTTAB_API
2274 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2275 #include <xenctrl.h>
2276 #include <xenstore.h>
2277 #include <xenevtchn.h>
2278 #include <xengnttab.h>
2279 #include <xenforeignmemory.h>
2280 #include <stdint.h>
2281 #include <xen/hvm/hvm_info_table.h>
2282 #if !defined(HVM_MAX_VCPUS)
2283 # error HVM_MAX_VCPUS not defined
2284 #endif
2285 int main(void) {
2286   xc_interface *xc = NULL;
2287   xenforeignmemory_handle *xfmem;
2288   xenevtchn_handle *xe;
2289   xengnttab_handle *xg;
2290   xen_domain_handle_t handle;
2291
2292   xs_daemon_open();
2293
2294   xc = xc_interface_open(0, 0, 0);
2295   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2296   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2297   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2298   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2299   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2300
2301   xfmem = xenforeignmemory_open(0, 0);
2302   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2303
2304   xe = xenevtchn_open(0, 0);
2305   xenevtchn_fd(xe);
2306
2307   xg = xengnttab_open(0, 0);
2308   xengnttab_map_grant_ref(xg, 0, 0, 0);
2309
2310   return 0;
2311 }
2312 EOF
2313         compile_prog "" "$xen_libs $xen_stable_libs"
2314       then
2315       xen_ctrl_version=40701
2316       xen=yes
2317     elif
2318         cat > $TMPC <<EOF &&
2319 #include <xenctrl.h>
2320 #include <stdint.h>
2321 int main(void) {
2322   xc_interface *xc = NULL;
2323   xen_domain_handle_t handle;
2324   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2325   return 0;
2326 }
2327 EOF
2328         compile_prog "" "$xen_libs"
2329       then
2330       xen_ctrl_version=40700
2331       xen=yes
2332
2333     # Xen 4.6
2334     elif
2335         cat > $TMPC <<EOF &&
2336 #include <xenctrl.h>
2337 #include <xenstore.h>
2338 #include <stdint.h>
2339 #include <xen/hvm/hvm_info_table.h>
2340 #if !defined(HVM_MAX_VCPUS)
2341 # error HVM_MAX_VCPUS not defined
2342 #endif
2343 int main(void) {
2344   xc_interface *xc;
2345   xs_daemon_open();
2346   xc = xc_interface_open(0, 0, 0);
2347   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2348   xc_gnttab_open(NULL, 0);
2349   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2350   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2351   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2352   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2353   return 0;
2354 }
2355 EOF
2356         compile_prog "" "$xen_libs"
2357       then
2358       xen_ctrl_version=40600
2359       xen=yes
2360
2361     # Xen 4.5
2362     elif
2363         cat > $TMPC <<EOF &&
2364 #include <xenctrl.h>
2365 #include <xenstore.h>
2366 #include <stdint.h>
2367 #include <xen/hvm/hvm_info_table.h>
2368 #if !defined(HVM_MAX_VCPUS)
2369 # error HVM_MAX_VCPUS not defined
2370 #endif
2371 int main(void) {
2372   xc_interface *xc;
2373   xs_daemon_open();
2374   xc = xc_interface_open(0, 0, 0);
2375   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2376   xc_gnttab_open(NULL, 0);
2377   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2378   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2379   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2380   return 0;
2381 }
2382 EOF
2383         compile_prog "" "$xen_libs"
2384       then
2385       xen_ctrl_version=40500
2386       xen=yes
2387
2388     elif
2389         cat > $TMPC <<EOF &&
2390 #include <xenctrl.h>
2391 #include <xenstore.h>
2392 #include <stdint.h>
2393 #include <xen/hvm/hvm_info_table.h>
2394 #if !defined(HVM_MAX_VCPUS)
2395 # error HVM_MAX_VCPUS not defined
2396 #endif
2397 int main(void) {
2398   xc_interface *xc;
2399   xs_daemon_open();
2400   xc = xc_interface_open(0, 0, 0);
2401   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2402   xc_gnttab_open(NULL, 0);
2403   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2404   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2405   return 0;
2406 }
2407 EOF
2408         compile_prog "" "$xen_libs"
2409       then
2410       xen_ctrl_version=40200
2411       xen=yes
2412
2413     else
2414       if test "$xen" = "yes" ; then
2415         feature_not_found "xen (unsupported version)" \
2416                           "Install a supported xen (xen 4.2 or newer)"
2417       fi
2418       xen=no
2419     fi
2420
2421     if test "$xen" = yes; then
2422       if test $xen_ctrl_version -ge 40701  ; then
2423         libs_softmmu="$xen_stable_libs $libs_softmmu"
2424       fi
2425       libs_softmmu="$xen_libs $libs_softmmu"
2426     fi
2427   fi
2428 fi
2429
2430 if test "$xen_pci_passthrough" != "no"; then
2431   if test "$xen" = "yes" && test "$linux" = "yes"; then
2432     xen_pci_passthrough=yes
2433   else
2434     if test "$xen_pci_passthrough" = "yes"; then
2435       error_exit "User requested feature Xen PCI Passthrough" \
2436           " but this feature requires /sys from Linux"
2437     fi
2438     xen_pci_passthrough=no
2439   fi
2440 fi
2441
2442 if test "$xen_pv_domain_build" = "yes" &&
2443    test "$xen" != "yes"; then
2444     error_exit "User requested Xen PV domain builder support" \
2445                "which requires Xen support."
2446 fi
2447
2448 ##########################################
2449 # Sparse probe
2450 if test "$sparse" != "no" ; then
2451   if has cgcc; then
2452     sparse=yes
2453   else
2454     if test "$sparse" = "yes" ; then
2455       feature_not_found "sparse" "Install sparse binary"
2456     fi
2457     sparse=no
2458   fi
2459 fi
2460
2461 ##########################################
2462 # X11 probe
2463 x11_cflags=
2464 x11_libs=-lX11
2465 if $pkg_config --exists "x11"; then
2466     x11_cflags=$($pkg_config --cflags x11)
2467     x11_libs=$($pkg_config --libs x11)
2468 fi
2469
2470 ##########################################
2471 # GTK probe
2472
2473 if test "$gtkabi" = ""; then
2474     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2475     # Use 2.0 as a fallback if that is available.
2476     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2477         gtkabi=3.0
2478     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2479         gtkabi=2.0
2480     else
2481         gtkabi=3.0
2482     fi
2483 fi
2484
2485 if test "$gtk" != "no"; then
2486     gtkpackage="gtk+-$gtkabi"
2487     gtkx11package="gtk+-x11-$gtkabi"
2488     if test "$gtkabi" = "3.0" ; then
2489       gtkversion="3.0.0"
2490     else
2491       gtkversion="2.18.0"
2492     fi
2493     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2494         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2495         gtk_libs=$($pkg_config --libs $gtkpackage)
2496         gtk_version=$($pkg_config --modversion $gtkpackage)
2497         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2498             gtk_cflags="$gtk_cflags $x11_cflags"
2499             gtk_libs="$gtk_libs $x11_libs"
2500         fi
2501         libs_softmmu="$gtk_libs $libs_softmmu"
2502         gtk="yes"
2503     elif test "$gtk" = "yes"; then
2504         feature_not_found "gtk" "Install gtk3-devel"
2505     else
2506         gtk="no"
2507     fi
2508 fi
2509
2510
2511 ##########################################
2512 # GNUTLS probe
2513
2514 gnutls_works() {
2515     # Unfortunately some distros have bad pkg-config information for gnutls
2516     # such that it claims to exist but you get a compiler error if you try
2517     # to use the options returned by --libs. Specifically, Ubuntu for --static
2518     # builds doesn't work:
2519     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2520     #
2521     # So sanity check the cflags/libs before assuming gnutls can be used.
2522     if ! $pkg_config --exists "gnutls"; then
2523         return 1
2524     fi
2525
2526     write_c_skeleton
2527     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2528 }
2529
2530 gnutls_gcrypt=no
2531 gnutls_nettle=no
2532 if test "$gnutls" != "no"; then
2533     if gnutls_works; then
2534         gnutls_cflags=$($pkg_config --cflags gnutls)
2535         gnutls_libs=$($pkg_config --libs gnutls)
2536         libs_softmmu="$gnutls_libs $libs_softmmu"
2537         libs_tools="$gnutls_libs $libs_tools"
2538         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2539         gnutls="yes"
2540
2541         # gnutls_rnd requires >= 2.11.0
2542         if $pkg_config --exists "gnutls >= 2.11.0"; then
2543             gnutls_rnd="yes"
2544         else
2545             gnutls_rnd="no"
2546         fi
2547
2548         if $pkg_config --exists 'gnutls >= 3.0'; then
2549             gnutls_gcrypt=no
2550             gnutls_nettle=yes
2551         elif $pkg_config --exists 'gnutls >= 2.12'; then
2552             case $($pkg_config --libs --static gnutls) in
2553                 *gcrypt*)
2554                     gnutls_gcrypt=yes
2555                     gnutls_nettle=no
2556                     ;;
2557                 *nettle*)
2558                     gnutls_gcrypt=no
2559                     gnutls_nettle=yes
2560                     ;;
2561                 *)
2562                     gnutls_gcrypt=yes
2563                     gnutls_nettle=no
2564                     ;;
2565             esac
2566         else
2567             gnutls_gcrypt=yes
2568             gnutls_nettle=no
2569         fi
2570     elif test "$gnutls" = "yes"; then
2571         feature_not_found "gnutls" "Install gnutls devel"
2572     else
2573         gnutls="no"
2574         gnutls_rnd="no"
2575     fi
2576 else
2577     gnutls_rnd="no"
2578 fi
2579
2580
2581 # If user didn't give a --disable/enable-gcrypt flag,
2582 # then mark as disabled if user requested nettle
2583 # explicitly, or if gnutls links to nettle
2584 if test -z "$gcrypt"
2585 then
2586     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2587     then
2588         gcrypt="no"
2589     fi
2590 fi
2591
2592 # If user didn't give a --disable/enable-nettle flag,
2593 # then mark as disabled if user requested gcrypt
2594 # explicitly, or if gnutls links to gcrypt
2595 if test -z "$nettle"
2596 then
2597     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2598     then
2599         nettle="no"
2600     fi
2601 fi
2602
2603 has_libgcrypt_config() {
2604     if ! has "libgcrypt-config"
2605     then
2606         return 1
2607     fi
2608
2609     if test -n "$cross_prefix"
2610     then
2611         host=$(libgcrypt-config --host)
2612         if test "$host-" != $cross_prefix
2613         then
2614             return 1
2615         fi
2616     fi
2617
2618     return 0
2619 }
2620
2621 if test "$gcrypt" != "no"; then
2622     if has_libgcrypt_config; then
2623         gcrypt_cflags=$(libgcrypt-config --cflags)
2624         gcrypt_libs=$(libgcrypt-config --libs)
2625         # Debian has remove -lgpg-error from libgcrypt-config
2626         # as it "spreads unnecessary dependencies" which in
2627         # turn breaks static builds...
2628         if test "$static" = "yes"
2629         then
2630             gcrypt_libs="$gcrypt_libs -lgpg-error"
2631         fi
2632         libs_softmmu="$gcrypt_libs $libs_softmmu"
2633         libs_tools="$gcrypt_libs $libs_tools"
2634         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2635         gcrypt="yes"
2636         if test -z "$nettle"; then
2637            nettle="no"
2638         fi
2639
2640         cat > $TMPC << EOF
2641 #include <gcrypt.h>
2642 int main(void) {
2643   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2644                   GCRY_MD_SHA256,
2645                   NULL, 0, 0, 0, NULL);
2646  return 0;
2647 }
2648 EOF
2649         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2650             gcrypt_kdf=yes
2651         fi
2652
2653         cat > $TMPC << EOF
2654 #include <gcrypt.h>
2655 int main(void) {
2656   gcry_mac_hd_t handle;
2657   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2658                 GCRY_MAC_FLAG_SECURE, NULL);
2659   return 0;
2660 }
2661 EOF
2662         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2663             gcrypt_hmac=yes
2664         fi
2665     else
2666         if test "$gcrypt" = "yes"; then
2667             feature_not_found "gcrypt" "Install gcrypt devel"
2668         else
2669             gcrypt="no"
2670         fi
2671     fi
2672 fi
2673
2674
2675 if test "$nettle" != "no"; then
2676     if $pkg_config --exists "nettle"; then
2677         nettle_cflags=$($pkg_config --cflags nettle)
2678         nettle_libs=$($pkg_config --libs nettle)
2679         nettle_version=$($pkg_config --modversion nettle)
2680         libs_softmmu="$nettle_libs $libs_softmmu"
2681         libs_tools="$nettle_libs $libs_tools"
2682         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2683         nettle="yes"
2684
2685         cat > $TMPC << EOF
2686 #include <stddef.h>
2687 #include <nettle/pbkdf2.h>
2688 int main(void) {
2689      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2690      return 0;
2691 }
2692 EOF
2693         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2694             nettle_kdf=yes
2695         fi
2696     else
2697         if test "$nettle" = "yes"; then
2698             feature_not_found "nettle" "Install nettle devel"
2699         else
2700             nettle="no"
2701         fi
2702     fi
2703 fi
2704
2705 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2706 then
2707     error_exit "Only one of gcrypt & nettle can be enabled"
2708 fi
2709
2710 ##########################################
2711 # libtasn1 - only for the TLS creds/session test suite
2712
2713 tasn1=yes
2714 tasn1_cflags=""
2715 tasn1_libs=""
2716 if $pkg_config --exists "libtasn1"; then
2717     tasn1_cflags=$($pkg_config --cflags libtasn1)
2718     tasn1_libs=$($pkg_config --libs libtasn1)
2719 else
2720     tasn1=no
2721 fi
2722
2723
2724 ##########################################
2725 # getifaddrs (for tests/test-io-channel-socket )
2726
2727 have_ifaddrs_h=yes
2728 if ! check_include "ifaddrs.h" ; then
2729   have_ifaddrs_h=no
2730 fi
2731
2732 ##########################################
2733 # VTE probe
2734
2735 if test "$vte" != "no"; then
2736     if test "$gtkabi" = "3.0"; then
2737       vteminversion="0.32.0"
2738       if $pkg_config --exists "vte-2.91"; then
2739         vtepackage="vte-2.91"
2740       else
2741         vtepackage="vte-2.90"
2742       fi
2743     else
2744       vtepackage="vte"
2745       vteminversion="0.24.0"
2746     fi
2747     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2748         vte_cflags=$($pkg_config --cflags $vtepackage)
2749         vte_libs=$($pkg_config --libs $vtepackage)
2750         vteversion=$($pkg_config --modversion $vtepackage)
2751         libs_softmmu="$vte_libs $libs_softmmu"
2752         vte="yes"
2753     elif test "$vte" = "yes"; then
2754         if test "$gtkabi" = "3.0"; then
2755             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2756         else
2757             feature_not_found "vte" "Install libvte devel"
2758         fi
2759     else
2760         vte="no"
2761     fi
2762 fi
2763
2764 ##########################################
2765 # SDL probe
2766
2767 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2768 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2769
2770 if test "$sdlabi" = ""; then
2771     if $pkg_config --exists "sdl2"; then
2772         sdlabi=2.0
2773     elif $pkg_config --exists "sdl"; then
2774         sdlabi=1.2
2775     else
2776         sdlabi=2.0
2777     fi
2778 fi
2779
2780 if test $sdlabi = "2.0"; then
2781     sdl_config=$sdl2_config
2782     sdlname=sdl2
2783     sdlconfigname=sdl2_config
2784 elif test $sdlabi = "1.2"; then
2785     sdlname=sdl
2786     sdlconfigname=sdl_config
2787 else
2788     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2789 fi
2790
2791 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2792   sdl_config=$sdlconfigname
2793 fi
2794
2795 if $pkg_config $sdlname --exists; then
2796   sdlconfig="$pkg_config $sdlname"
2797   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2798 elif has ${sdl_config}; then
2799   sdlconfig="$sdl_config"
2800   sdlversion=$($sdlconfig --version)
2801 else
2802   if test "$sdl" = "yes" ; then
2803     feature_not_found "sdl" "Install SDL2-devel"
2804   fi
2805   sdl=no
2806 fi
2807 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2808   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2809 fi
2810
2811 sdl_too_old=no
2812 if test "$sdl" != "no" ; then
2813   cat > $TMPC << EOF
2814 #include <SDL.h>
2815 #undef main /* We don't want SDL to override our main() */
2816 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2817 EOF
2818   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2819   if test "$static" = "yes" ; then
2820     if $pkg_config $sdlname --exists; then
2821       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2822     else
2823       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2824     fi
2825   else
2826     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2827   fi
2828   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2829     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2830       sdl_too_old=yes
2831     else
2832       sdl=yes
2833     fi
2834
2835     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2836     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2837       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2838          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2839          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2840       fi
2841       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2842         :
2843       else
2844         sdl=no
2845       fi
2846     fi # static link
2847   else # sdl not found
2848     if test "$sdl" = "yes" ; then
2849       feature_not_found "sdl" "Install SDL devel"
2850     fi
2851     sdl=no
2852   fi # sdl compile test
2853 fi
2854
2855 if test "$sdl" = "yes" ; then
2856   cat > $TMPC <<EOF
2857 #include <SDL.h>
2858 #if defined(SDL_VIDEO_DRIVER_X11)
2859 #include <X11/XKBlib.h>
2860 #else
2861 #error No x11 support
2862 #endif
2863 int main(void) { return 0; }
2864 EOF
2865   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2866     sdl_cflags="$sdl_cflags $x11_cflags"
2867     sdl_libs="$sdl_libs $x11_libs"
2868   fi
2869 fi
2870
2871 ##########################################
2872 # RDMA needs OpenFabrics libraries
2873 if test "$rdma" != "no" ; then
2874   cat > $TMPC <<EOF
2875 #include <rdma/rdma_cma.h>
2876 int main(void) { return 0; }
2877 EOF
2878   rdma_libs="-lrdmacm -libverbs"
2879   if compile_prog "" "$rdma_libs" ; then
2880     rdma="yes"
2881   else
2882     if test "$rdma" = "yes" ; then
2883         error_exit \
2884             " OpenFabrics librdmacm/libibverbs not present." \
2885             " Your options:" \
2886             "  (1) Fast: Install infiniband packages from your distro." \
2887             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2888             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2889     fi
2890     rdma="no"
2891   fi
2892 fi
2893
2894
2895 ##########################################
2896 # VNC SASL detection
2897 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2898   cat > $TMPC <<EOF
2899 #include <sasl/sasl.h>
2900 #include <stdio.h>
2901 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2902 EOF
2903   # Assuming Cyrus-SASL installed in /usr prefix
2904   vnc_sasl_cflags=""
2905   vnc_sasl_libs="-lsasl2"
2906   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2907     vnc_sasl=yes
2908     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2909     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2910   else
2911     if test "$vnc_sasl" = "yes" ; then
2912       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2913     fi
2914     vnc_sasl=no
2915   fi
2916 fi
2917
2918 ##########################################
2919 # VNC JPEG detection
2920 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2921 cat > $TMPC <<EOF
2922 #include <stdio.h>
2923 #include <jpeglib.h>
2924 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2925 EOF
2926     vnc_jpeg_cflags=""
2927     vnc_jpeg_libs="-ljpeg"
2928   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2929     vnc_jpeg=yes
2930     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2931     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2932   else
2933     if test "$vnc_jpeg" = "yes" ; then
2934       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2935     fi
2936     vnc_jpeg=no
2937   fi
2938 fi
2939
2940 ##########################################
2941 # VNC PNG detection
2942 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2943 cat > $TMPC <<EOF
2944 //#include <stdio.h>
2945 #include <png.h>
2946 #include <stddef.h>
2947 int main(void) {
2948     png_structp png_ptr;
2949     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2950     return png_ptr != 0;
2951 }
2952 EOF
2953   if $pkg_config libpng --exists; then
2954     vnc_png_cflags=$($pkg_config libpng --cflags)
2955     vnc_png_libs=$($pkg_config libpng --libs)
2956   else
2957     vnc_png_cflags=""
2958     vnc_png_libs="-lpng"
2959   fi
2960   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2961     vnc_png=yes
2962     libs_softmmu="$vnc_png_libs $libs_softmmu"
2963     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2964   else
2965     if test "$vnc_png" = "yes" ; then
2966       feature_not_found "vnc-png" "Install libpng devel"
2967     fi
2968     vnc_png=no
2969   fi
2970 fi
2971
2972 ##########################################
2973 # xkbcommon probe
2974 if test "$xkbcommon" != "no" ; then
2975   if $pkg_config xkbcommon --exists; then
2976     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
2977     xkbcommon_libs=$($pkg_config xkbcommon --libs)
2978     xkbcommon=yes
2979   else
2980     if test "$xkbcommon" = "yes" ; then
2981       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
2982     fi
2983     xkbcommon=no
2984   fi
2985 fi
2986
2987 ##########################################
2988 # fnmatch() probe, used for ACL routines
2989 fnmatch="no"
2990 cat > $TMPC << EOF
2991 #include <fnmatch.h>
2992 int main(void)
2993 {
2994     fnmatch("foo", "foo", 0);
2995     return 0;
2996 }
2997 EOF
2998 if compile_prog "" "" ; then
2999    fnmatch="yes"
3000 fi
3001
3002 ##########################################
3003 # xfsctl() probe, used for file-posix.c
3004 if test "$xfs" != "no" ; then
3005   cat > $TMPC << EOF
3006 #include <stddef.h>  /* NULL */
3007 #include <xfs/xfs.h>
3008 int main(void)
3009 {
3010     xfsctl(NULL, 0, 0, NULL);
3011     return 0;
3012 }
3013 EOF
3014   if compile_prog "" "" ; then
3015     xfs="yes"
3016   else
3017     if test "$xfs" = "yes" ; then
3018       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3019     fi
3020     xfs=no
3021   fi
3022 fi
3023
3024 ##########################################
3025 # vde libraries probe
3026 if test "$vde" != "no" ; then
3027   vde_libs="-lvdeplug"
3028   cat > $TMPC << EOF
3029 #include <libvdeplug.h>
3030 int main(void)
3031 {
3032     struct vde_open_args a = {0, 0, 0};
3033     char s[] = "";
3034     vde_open(s, s, &a);
3035     return 0;
3036 }
3037 EOF
3038   if compile_prog "" "$vde_libs" ; then
3039     vde=yes
3040   else
3041     if test "$vde" = "yes" ; then
3042       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3043     fi
3044     vde=no
3045   fi
3046 fi
3047
3048 ##########################################
3049 # netmap support probe
3050 # Apart from looking for netmap headers, we make sure that the host API version
3051 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3052 # a minor/major version number. Minor new features will be marked with values up
3053 # to 15, and if something happens that requires a change to the backend we will
3054 # move above 15, submit the backend fixes and modify this two bounds.
3055 if test "$netmap" != "no" ; then
3056   cat > $TMPC << EOF
3057 #include <inttypes.h>
3058 #include <net/if.h>
3059 #include <net/netmap.h>
3060 #include <net/netmap_user.h>
3061 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3062 #error
3063 #endif
3064 int main(void) { return 0; }
3065 EOF
3066   if compile_prog "" "" ; then
3067     netmap=yes
3068   else
3069     if test "$netmap" = "yes" ; then
3070       feature_not_found "netmap"
3071     fi
3072     netmap=no
3073   fi
3074 fi
3075
3076 ##########################################
3077 # libcap-ng library probe
3078 if test "$cap_ng" != "no" ; then
3079   cap_libs="-lcap-ng"
3080   cat > $TMPC << EOF
3081 #include <cap-ng.h>
3082 int main(void)
3083 {
3084     capng_capability_to_name(CAPNG_EFFECTIVE);
3085     return 0;
3086 }
3087 EOF
3088   if compile_prog "" "$cap_libs" ; then
3089     cap_ng=yes
3090     libs_tools="$cap_libs $libs_tools"
3091   else
3092     if test "$cap_ng" = "yes" ; then
3093       feature_not_found "cap_ng" "Install libcap-ng devel"
3094     fi
3095     cap_ng=no
3096   fi
3097 fi
3098
3099 ##########################################
3100 # Sound support libraries probe
3101
3102 audio_drv_probe()
3103 {
3104     drv=$1
3105     hdr=$2
3106     lib=$3
3107     exp=$4
3108     cfl=$5
3109         cat > $TMPC << EOF
3110 #include <$hdr>
3111 int main(void) { $exp }
3112 EOF
3113     if compile_prog "$cfl" "$lib" ; then
3114         :
3115     else
3116         error_exit "$drv check failed" \
3117             "Make sure to have the $drv libs and headers installed."
3118     fi
3119 }
3120
3121 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3122 for drv in $audio_drv_list; do
3123     case $drv in
3124     alsa)
3125     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3126         "return snd_pcm_close((snd_pcm_t *)0);"
3127     alsa_libs="-lasound"
3128     ;;
3129
3130     pa)
3131     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3132         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3133     pulse_libs="-lpulse"
3134     audio_pt_int="yes"
3135     ;;
3136
3137     sdl)
3138     if test "$sdl" = "no"; then
3139         error_exit "sdl not found or disabled, can not use sdl audio driver"
3140     fi
3141     ;;
3142
3143     coreaudio)
3144       coreaudio_libs="-framework CoreAudio"
3145     ;;
3146
3147     dsound)
3148       dsound_libs="-lole32 -ldxguid"
3149       audio_win_int="yes"
3150     ;;
3151
3152     oss)
3153       oss_libs="$oss_lib"
3154     ;;
3155
3156     wav)
3157     # XXX: Probes for CoreAudio, DirectSound
3158     ;;
3159
3160     *)
3161     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3162         error_exit "Unknown driver '$drv' selected" \
3163             "Possible drivers are: $audio_possible_drivers"
3164     }
3165     ;;
3166     esac
3167 done
3168
3169 ##########################################
3170 # BrlAPI probe
3171
3172 if test "$brlapi" != "no" ; then
3173   brlapi_libs="-lbrlapi"
3174   cat > $TMPC << EOF
3175 #include <brlapi.h>
3176 #include <stddef.h>
3177 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3178 EOF
3179   if compile_prog "" "$brlapi_libs" ; then
3180     brlapi=yes
3181   else
3182     if test "$brlapi" = "yes" ; then
3183       feature_not_found "brlapi" "Install brlapi devel"
3184     fi
3185     brlapi=no
3186   fi
3187 fi
3188
3189 ##########################################
3190 # curses probe
3191 if test "$curses" != "no" ; then
3192   if test "$mingw32" = "yes" ; then
3193     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3194     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3195   else
3196     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3197     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3198   fi
3199   curses_found=no
3200   cat > $TMPC << EOF
3201 #include <locale.h>
3202 #include <curses.h>
3203 #include <wchar.h>
3204 int main(void) {
3205   wchar_t wch = L'w';
3206   setlocale(LC_ALL, "");
3207   resize_term(0, 0);
3208   addwstr(L"wide chars\n");
3209   addnwstr(&wch, 1);
3210   add_wch(WACS_DEGREE);
3211   return 0;
3212 }
3213 EOF
3214   IFS=:
3215   for curses_inc in $curses_inc_list; do
3216     # Make sure we get the wide character prototypes
3217     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3218     IFS=:
3219     for curses_lib in $curses_lib_list; do
3220       unset IFS
3221       if compile_prog "$curses_inc" "$curses_lib" ; then
3222         curses_found=yes
3223         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3224         libs_softmmu="$curses_lib $libs_softmmu"
3225         break
3226       fi
3227     done
3228     if test "$curses_found" = yes ; then
3229       break
3230     fi
3231   done
3232   unset IFS
3233   if test "$curses_found" = "yes" ; then
3234     curses=yes
3235   else
3236     if test "$curses" = "yes" ; then
3237       feature_not_found "curses" "Install ncurses devel"
3238     fi
3239     curses=no
3240   fi
3241 fi
3242
3243 ##########################################
3244 # curl probe
3245 if test "$curl" != "no" ; then
3246   if $pkg_config libcurl --exists; then
3247     curlconfig="$pkg_config libcurl"
3248   else
3249     curlconfig=curl-config
3250   fi
3251   cat > $TMPC << EOF
3252 #include <curl/curl.h>
3253 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3254 EOF
3255   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3256   curl_libs=$($curlconfig --libs 2>/dev/null)
3257   if compile_prog "$curl_cflags" "$curl_libs" ; then
3258     curl=yes
3259   else
3260     if test "$curl" = "yes" ; then
3261       feature_not_found "curl" "Install libcurl devel"
3262     fi
3263     curl=no
3264   fi
3265 fi # test "$curl"
3266
3267 ##########################################
3268 # bluez support probe
3269 if test "$bluez" != "no" ; then
3270   cat > $TMPC << EOF
3271 #include <bluetooth/bluetooth.h>
3272 int main(void) { return bt_error(0); }
3273 EOF
3274   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3275   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3276   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3277     bluez=yes
3278     libs_softmmu="$bluez_libs $libs_softmmu"
3279   else
3280     if test "$bluez" = "yes" ; then
3281       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3282     fi
3283     bluez="no"
3284   fi
3285 fi
3286
3287 ##########################################
3288 # glib support probe
3289
3290 if test "$mingw32" = yes; then
3291     glib_req_ver=2.30
3292 else
3293     glib_req_ver=2.22
3294 fi
3295 glib_modules=gthread-2.0
3296 if test "$modules" = yes; then
3297     glib_modules="$glib_modules gmodule-2.0"
3298 fi
3299
3300 # This workaround is required due to a bug in pkg-config file for glib as it
3301 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3302
3303 if test "$static" = yes -a "$mingw32" = yes; then
3304     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3305 fi
3306
3307 for i in $glib_modules; do
3308     if $pkg_config --atleast-version=$glib_req_ver $i; then
3309         glib_cflags=$($pkg_config --cflags $i)
3310         glib_libs=$($pkg_config --libs $i)
3311         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3312         LIBS="$glib_libs $LIBS"
3313         libs_qga="$glib_libs $libs_qga"
3314     else
3315         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3316     fi
3317 done
3318
3319 # Sanity check that the current size_t matches the
3320 # size that glib thinks it should be. This catches
3321 # problems on multi-arch where people try to build
3322 # 32-bit QEMU while pointing at 64-bit glib headers
3323 cat > $TMPC <<EOF
3324 #include <glib.h>
3325 #include <unistd.h>
3326
3327 #define QEMU_BUILD_BUG_ON(x) \
3328   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3329
3330 int main(void) {
3331    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3332    return 0;
3333 }
3334 EOF
3335
3336 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3337     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3338                "You probably need to set PKG_CONFIG_LIBDIR"\
3339                "to point to the right pkg-config files for your"\
3340                "build target"
3341 fi
3342
3343 # g_test_trap_subprocess added in 2.38. Used by some tests.
3344 glib_subprocess=yes
3345 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3346     glib_subprocess=no
3347 fi
3348
3349 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3350 cat > $TMPC << EOF
3351 #include <glib.h>
3352 int main(void) { return 0; }
3353 EOF
3354 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3355     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3356         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3357         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3358     fi
3359 fi
3360
3361 ##########################################
3362 # SHA command probe for modules
3363 if test "$modules" = yes; then
3364     shacmd_probe="sha1sum sha1 shasum"
3365     for c in $shacmd_probe; do
3366         if has $c; then
3367             shacmd="$c"
3368             break
3369         fi
3370     done
3371     if test "$shacmd" = ""; then
3372         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3373     fi
3374 fi
3375
3376 ##########################################
3377 # pixman support probe
3378
3379 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3380   pixman_cflags=
3381   pixman_libs=
3382 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3383   pixman_cflags=$($pkg_config --cflags pixman-1)
3384   pixman_libs=$($pkg_config --libs pixman-1)
3385 else
3386   error_exit "pixman >= 0.21.8 not present." \
3387       "Please install the pixman devel package."
3388 fi
3389
3390 ##########################################
3391 # libmpathpersist probe
3392
3393 if test "$mpath" != "no" ; then
3394   cat > $TMPC <<EOF
3395 #include <libudev.h>
3396 #include <mpath_persist.h>
3397 unsigned mpath_mx_alloc_len = 1024;
3398 int logsink;
3399 static struct config *multipath_conf;
3400 extern struct udev *udev;
3401 extern struct config *get_multipath_config(void);
3402 extern void put_multipath_config(struct config *conf);
3403 struct udev *udev;
3404 struct config *get_multipath_config(void) { return multipath_conf; }
3405 void put_multipath_config(struct config *conf) { }
3406
3407 int main(void) {
3408     udev = udev_new();
3409     multipath_conf = mpath_lib_init();
3410     return 0;
3411 }
3412 EOF
3413   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3414     mpathpersist=yes
3415   else
3416     mpathpersist=no
3417   fi
3418 else
3419   mpathpersist=no
3420 fi
3421
3422 ##########################################
3423 # libcap probe
3424
3425 if test "$cap" != "no" ; then
3426   cat > $TMPC <<EOF
3427 #include <stdio.h>
3428 #include <sys/capability.h>
3429 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3430 EOF
3431   if compile_prog "" "-lcap" ; then
3432     cap=yes
3433   else
3434     cap=no
3435   fi
3436 fi
3437
3438 ##########################################
3439 # pthread probe
3440 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3441
3442 pthread=no
3443 cat > $TMPC << EOF
3444 #include <pthread.h>
3445 static void *f(void *p) { return NULL; }
3446 int main(void) {
3447   pthread_t thread;
3448   pthread_create(&thread, 0, f, 0);
3449   return 0;
3450 }
3451 EOF
3452 if compile_prog "" "" ; then
3453   pthread=yes
3454 else
3455   for pthread_lib in $PTHREADLIBS_LIST; do
3456     if compile_prog "" "$pthread_lib" ; then
3457       pthread=yes
3458       found=no
3459       for lib_entry in $LIBS; do
3460         if test "$lib_entry" = "$pthread_lib"; then
3461           found=yes
3462           break
3463         fi
3464       done
3465       if test "$found" = "no"; then
3466         LIBS="$pthread_lib $LIBS"
3467       fi
3468       PTHREAD_LIB="$pthread_lib"
3469       break
3470     fi
3471   done
3472 fi
3473
3474 if test "$mingw32" != yes -a "$pthread" = no; then
3475   error_exit "pthread check failed" \
3476       "Make sure to have the pthread libs and headers installed."
3477 fi
3478
3479 # check for pthread_setname_np
3480 pthread_setname_np=no
3481 cat > $TMPC << EOF
3482 #include <pthread.h>
3483
3484 static void *f(void *p) { return NULL; }
3485 int main(void)
3486 {
3487     pthread_t thread;
3488     pthread_create(&thread, 0, f, 0);
3489     pthread_setname_np(thread, "QEMU");
3490     return 0;
3491 }
3492 EOF
3493 if compile_prog "" "$pthread_lib" ; then
3494   pthread_setname_np=yes
3495 fi
3496
3497 ##########################################
3498 # rbd probe
3499 if test "$rbd" != "no" ; then
3500   cat > $TMPC <<EOF
3501 #include <stdio.h>
3502 #include <rbd/librbd.h>
3503 int main(void) {
3504     rados_t cluster;
3505     rados_create(&cluster, NULL);
3506     return 0;
3507 }
3508 EOF
3509   rbd_libs="-lrbd -lrados"
3510   if compile_prog "" "$rbd_libs" ; then
3511     rbd=yes
3512   else
3513     if test "$rbd" = "yes" ; then
3514       feature_not_found "rados block device" "Install librbd/ceph devel"
3515     fi
3516     rbd=no
3517   fi
3518 fi
3519
3520 ##########################################
3521 # libssh2 probe
3522 min_libssh2_version=1.2.8
3523 if test "$libssh2" != "no" ; then
3524   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3525     libssh2_cflags=$($pkg_config libssh2 --cflags)
3526     libssh2_libs=$($pkg_config libssh2 --libs)
3527     libssh2=yes
3528   else
3529     if test "$libssh2" = "yes" ; then
3530       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3531     fi
3532     libssh2=no
3533   fi
3534 fi
3535
3536 ##########################################
3537 # libssh2_sftp_fsync probe
3538
3539 if test "$libssh2" = "yes"; then
3540   cat > $TMPC <<EOF
3541 #include <stdio.h>
3542 #include <libssh2.h>
3543 #include <libssh2_sftp.h>
3544 int main(void) {
3545     LIBSSH2_SESSION *session;
3546     LIBSSH2_SFTP *sftp;
3547     LIBSSH2_SFTP_HANDLE *sftp_handle;
3548     session = libssh2_session_init ();
3549     sftp = libssh2_sftp_init (session);
3550     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3551     libssh2_sftp_fsync (sftp_handle);
3552     return 0;
3553 }
3554 EOF
3555   # libssh2_cflags/libssh2_libs defined in previous test.
3556   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3557     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3558   fi
3559 fi
3560
3561 ##########################################
3562 # linux-aio probe
3563
3564 if test "$linux_aio" != "no" ; then
3565   cat > $TMPC <<EOF
3566 #include <libaio.h>
3567 #include <sys/eventfd.h>
3568 #include <stddef.h>
3569 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3570 EOF
3571   if compile_prog "" "-laio" ; then
3572     linux_aio=yes
3573   else
3574     if test "$linux_aio" = "yes" ; then
3575       feature_not_found "linux AIO" "Install libaio devel"
3576     fi
3577     linux_aio=no
3578   fi
3579 fi
3580
3581 ##########################################
3582 # TPM passthrough is only on x86 Linux
3583
3584 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3585   tpm_passthrough=$tpm
3586 else
3587   tpm_passthrough=no
3588 fi
3589
3590 # TPM emulator is for all posix systems
3591 if test "$mingw32" != "yes"; then
3592   tpm_emulator=$tpm
3593 else
3594   tpm_emulator=no
3595 fi
3596 ##########################################
3597 # attr probe
3598
3599 if test "$attr" != "no" ; then
3600   cat > $TMPC <<EOF
3601 #include <stdio.h>
3602 #include <sys/types.h>
3603 #ifdef CONFIG_LIBATTR
3604 #include <attr/xattr.h>
3605 #else
3606 #include <sys/xattr.h>
3607 #endif
3608 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3609 EOF
3610   if compile_prog "" "" ; then
3611     attr=yes
3612   # Older distros have <attr/xattr.h>, and need -lattr:
3613   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3614     attr=yes
3615     LIBS="-lattr $LIBS"
3616     libattr=yes
3617   else
3618     if test "$attr" = "yes" ; then
3619       feature_not_found "ATTR" "Install libc6 or libattr devel"
3620     fi
3621     attr=no
3622   fi
3623 fi
3624
3625 ##########################################
3626 # iovec probe
3627 cat > $TMPC <<EOF
3628 #include <sys/types.h>
3629 #include <sys/uio.h>
3630 #include <unistd.h>
3631 int main(void) { return sizeof(struct iovec); }
3632 EOF
3633 iovec=no
3634 if compile_prog "" "" ; then
3635   iovec=yes
3636 fi
3637
3638 ##########################################
3639 # preadv probe
3640 cat > $TMPC <<EOF
3641 #include <sys/types.h>
3642 #include <sys/uio.h>
3643 #include <unistd.h>
3644 int main(void) { return preadv(0, 0, 0, 0); }
3645 EOF
3646 preadv=no
3647 if compile_prog "" "" ; then
3648   preadv=yes
3649 fi
3650
3651 ##########################################
3652 # fdt probe
3653 # fdt support is mandatory for at least some target architectures,
3654 # so insist on it if we're building those system emulators.
3655 fdt_required=no
3656 for target in $target_list; do
3657   case $target in
3658     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3659       fdt_required=yes
3660     ;;
3661   esac
3662 done
3663
3664 if test "$fdt_required" = "yes"; then
3665   if test "$fdt" = "no"; then
3666     error_exit "fdt disabled but some requested targets require it." \
3667       "You can turn off fdt only if you also disable all the system emulation" \
3668       "targets which need it (by specifying a cut down --target-list)."
3669   fi
3670   fdt=yes
3671 fi
3672
3673 if test "$fdt" != "no" ; then
3674   fdt_libs="-lfdt"
3675   # explicitly check for libfdt_env.h as it is missing in some stable installs
3676   # and test for required functions to make sure we are on a version >= 1.4.2
3677   cat > $TMPC << EOF
3678 #include <libfdt.h>
3679 #include <libfdt_env.h>
3680 int main(void) { fdt_first_subnode(0, 0); return 0; }
3681 EOF
3682   if compile_prog "" "$fdt_libs" ; then
3683     # system DTC is good - use it
3684     fdt=yes
3685   else
3686       # have GIT checkout, so activate dtc submodule
3687       if test -e "${source_path}/.git" ; then
3688           git_submodules="${git_submodules} dtc"
3689       fi
3690       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3691           fdt=yes
3692           dtc_internal="yes"
3693           mkdir -p dtc
3694           if [ "$pwd_is_source_path" != "y" ] ; then
3695               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3696               symlink "$source_path/dtc/scripts" "dtc/scripts"
3697           fi
3698           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3699           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3700       elif test "$fdt" = "yes" ; then
3701           # Not a git build & no libfdt found, prompt for system install
3702           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3703                      "Please install the DTC (libfdt) devel package"
3704       else
3705           # don't have and don't want
3706           fdt_libs=
3707           fdt=no
3708       fi
3709   fi
3710 fi
3711
3712 libs_softmmu="$libs_softmmu $fdt_libs"
3713
3714 ##########################################
3715 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3716
3717 if test "$opengl" != "no" ; then
3718   opengl_pkgs="epoxy libdrm gbm"
3719   if $pkg_config $opengl_pkgs x11; then
3720     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3721     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3722     opengl=yes
3723     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3724         gtk_gl="yes"
3725     fi
3726     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3727   else
3728     if test "$opengl" = "yes" ; then
3729       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3730     fi
3731     opengl_cflags=""
3732     opengl_libs=""
3733     opengl=no
3734   fi
3735 fi
3736
3737 if test "$opengl" = "yes"; then
3738   cat > $TMPC << EOF
3739 #include <epoxy/egl.h>
3740 #ifndef EGL_MESA_image_dma_buf_export
3741 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3742 #endif
3743 int main(void) { return 0; }
3744 EOF
3745   if compile_prog "" "" ; then
3746     opengl_dmabuf=yes
3747   fi
3748 fi
3749
3750
3751 ##########################################
3752 # glusterfs probe
3753 if test "$glusterfs" != "no" ; then
3754   if $pkg_config --atleast-version=3 glusterfs-api; then
3755     glusterfs="yes"
3756     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3757     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3758     if $pkg_config --atleast-version=4 glusterfs-api; then
3759       glusterfs_xlator_opt="yes"
3760     fi
3761     if $pkg_config --atleast-version=5 glusterfs-api; then
3762       glusterfs_discard="yes"
3763     fi
3764     if $pkg_config --atleast-version=6 glusterfs-api; then
3765       glusterfs_fallocate="yes"
3766       glusterfs_zerofill="yes"
3767     fi
3768   else
3769     if test "$glusterfs" = "yes" ; then
3770       feature_not_found "GlusterFS backend support" \
3771           "Install glusterfs-api devel >= 3"
3772     fi
3773     glusterfs="no"
3774   fi
3775 fi
3776
3777 # Check for inotify functions when we are building linux-user
3778 # emulator.  This is done because older glibc versions don't
3779 # have syscall stubs for these implemented.  In that case we
3780 # don't provide them even if kernel supports them.
3781 #
3782 inotify=no
3783 cat > $TMPC << EOF
3784 #include <sys/inotify.h>
3785
3786 int
3787 main(void)
3788 {
3789         /* try to start inotify */
3790         return inotify_init();
3791 }
3792 EOF
3793 if compile_prog "" "" ; then
3794   inotify=yes
3795 fi
3796
3797 inotify1=no
3798 cat > $TMPC << EOF
3799 #include <sys/inotify.h>
3800
3801 int
3802 main(void)
3803 {
3804     /* try to start inotify */
3805     return inotify_init1(0);
3806 }
3807 EOF
3808 if compile_prog "" "" ; then
3809   inotify1=yes
3810 fi
3811
3812 # check if pipe2 is there
3813 pipe2=no
3814 cat > $TMPC << EOF
3815 #include <unistd.h>
3816 #include <fcntl.h>
3817
3818 int main(void)
3819 {
3820     int pipefd[2];
3821     return pipe2(pipefd, O_CLOEXEC);
3822 }
3823 EOF
3824 if compile_prog "" "" ; then
3825   pipe2=yes
3826 fi
3827
3828 # check if accept4 is there
3829 accept4=no
3830 cat > $TMPC << EOF
3831 #include <sys/socket.h>
3832 #include <stddef.h>
3833
3834 int main(void)
3835 {
3836     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3837     return 0;
3838 }
3839 EOF
3840 if compile_prog "" "" ; then
3841   accept4=yes
3842 fi
3843
3844 # check if tee/splice is there. vmsplice was added same time.
3845 splice=no
3846 cat > $TMPC << EOF
3847 #include <unistd.h>
3848 #include <fcntl.h>
3849 #include <limits.h>
3850
3851 int main(void)
3852 {
3853     int len, fd = 0;
3854     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3855     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3856     return 0;
3857 }
3858 EOF
3859 if compile_prog "" "" ; then
3860   splice=yes
3861 fi
3862
3863 ##########################################
3864 # libnuma probe
3865
3866 if test "$numa" != "no" ; then
3867   cat > $TMPC << EOF
3868 #include <numa.h>
3869 int main(void) { return numa_available(); }
3870 EOF
3871
3872   if compile_prog "" "-lnuma" ; then
3873     numa=yes
3874     libs_softmmu="-lnuma $libs_softmmu"
3875   else
3876     if test "$numa" = "yes" ; then
3877       feature_not_found "numa" "install numactl devel"
3878     fi
3879     numa=no
3880   fi
3881 fi
3882
3883 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3884     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3885     exit 1
3886 fi
3887
3888 # Even if malloc_trim() is available, these non-libc memory allocators
3889 # do not support it.
3890 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3891     if test "$malloc_trim" = "yes" ; then
3892         echo "Disabling malloc_trim with non-libc memory allocator"
3893     fi
3894     malloc_trim="no"
3895 fi
3896
3897 #######################################
3898 # malloc_trim
3899
3900 if test "$malloc_trim" != "no" ; then
3901     cat > $TMPC << EOF
3902 #include <malloc.h>
3903 int main(void) { malloc_trim(0); return 0; }
3904 EOF
3905     if compile_prog "" "" ; then
3906         malloc_trim="yes"
3907     else
3908         malloc_trim="no"
3909     fi
3910 fi
3911
3912 ##########################################
3913 # tcmalloc probe
3914
3915 if test "$tcmalloc" = "yes" ; then
3916   cat > $TMPC << EOF
3917 #include <stdlib.h>
3918 int main(void) { malloc(1); return 0; }
3919 EOF
3920
3921   if compile_prog "" "-ltcmalloc" ; then
3922     LIBS="-ltcmalloc $LIBS"
3923   else
3924     feature_not_found "tcmalloc" "install gperftools devel"
3925   fi
3926 fi
3927
3928 ##########################################
3929 # jemalloc probe
3930
3931 if test "$jemalloc" = "yes" ; then
3932   cat > $TMPC << EOF
3933 #include <stdlib.h>
3934 int main(void) { malloc(1); return 0; }
3935 EOF
3936
3937   if compile_prog "" "-ljemalloc" ; then
3938     LIBS="-ljemalloc $LIBS"
3939   else
3940     feature_not_found "jemalloc" "install jemalloc devel"
3941   fi
3942 fi
3943
3944 ##########################################
3945 # signalfd probe
3946 signalfd="no"
3947 cat > $TMPC << EOF
3948 #include <unistd.h>
3949 #include <sys/syscall.h>
3950 #include <signal.h>
3951 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3952 EOF
3953
3954 if compile_prog "" "" ; then
3955   signalfd=yes
3956 fi
3957
3958 # check if eventfd is supported
3959 eventfd=no
3960 cat > $TMPC << EOF
3961 #include <sys/eventfd.h>
3962
3963 int main(void)
3964 {
3965     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3966 }
3967 EOF
3968 if compile_prog "" "" ; then
3969   eventfd=yes
3970 fi
3971
3972 # check if memfd is supported
3973 memfd=no
3974 cat > $TMPC << EOF
3975 #include <sys/mman.h>
3976
3977 int main(void)
3978 {
3979     return memfd_create("foo", MFD_ALLOW_SEALING);
3980 }
3981 EOF
3982 if compile_prog "" "" ; then
3983   memfd=yes
3984 fi
3985
3986
3987
3988 # check for fallocate
3989 fallocate=no
3990 cat > $TMPC << EOF
3991 #include <fcntl.h>
3992
3993 int main(void)
3994 {
3995     fallocate(0, 0, 0, 0);
3996     return 0;
3997 }
3998 EOF
3999 if compile_prog "" "" ; then
4000   fallocate=yes
4001 fi
4002
4003 # check for fallocate hole punching
4004 fallocate_punch_hole=no
4005 cat > $TMPC << EOF
4006 #include <fcntl.h>
4007 #include <linux/falloc.h>
4008
4009 int main(void)
4010 {
4011     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4012     return 0;
4013 }
4014 EOF
4015 if compile_prog "" "" ; then
4016   fallocate_punch_hole=yes
4017 fi
4018
4019 # check that fallocate supports range zeroing inside the file
4020 fallocate_zero_range=no
4021 cat > $TMPC << EOF
4022 #include <fcntl.h>
4023 #include <linux/falloc.h>
4024
4025 int main(void)
4026 {
4027     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4028     return 0;
4029 }
4030 EOF
4031 if compile_prog "" "" ; then
4032   fallocate_zero_range=yes
4033 fi
4034
4035 # check for posix_fallocate
4036 posix_fallocate=no
4037 cat > $TMPC << EOF
4038 #include <fcntl.h>
4039
4040 int main(void)
4041 {
4042     posix_fallocate(0, 0, 0);
4043     return 0;
4044 }
4045 EOF
4046 if compile_prog "" "" ; then
4047     posix_fallocate=yes
4048 fi
4049
4050 # check for sync_file_range
4051 sync_file_range=no
4052 cat > $TMPC << EOF
4053 #include <fcntl.h>
4054
4055 int main(void)
4056 {
4057     sync_file_range(0, 0, 0, 0);
4058     return 0;
4059 }
4060 EOF
4061 if compile_prog "" "" ; then
4062   sync_file_range=yes
4063 fi
4064
4065 # check for linux/fiemap.h and FS_IOC_FIEMAP
4066 fiemap=no
4067 cat > $TMPC << EOF
4068 #include <sys/ioctl.h>
4069 #include <linux/fs.h>
4070 #include <linux/fiemap.h>
4071
4072 int main(void)
4073 {
4074     ioctl(0, FS_IOC_FIEMAP, 0);
4075     return 0;
4076 }
4077 EOF
4078 if compile_prog "" "" ; then
4079   fiemap=yes
4080 fi
4081
4082 # check for dup3
4083 dup3=no
4084 cat > $TMPC << EOF
4085 #include <unistd.h>
4086
4087 int main(void)
4088 {
4089     dup3(0, 0, 0);
4090     return 0;
4091 }
4092 EOF
4093 if compile_prog "" "" ; then
4094   dup3=yes
4095 fi
4096
4097 # check for ppoll support
4098 ppoll=no
4099 cat > $TMPC << EOF
4100 #include <poll.h>
4101
4102 int main(void)
4103 {
4104     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4105     ppoll(&pfd, 1, 0, 0);
4106     return 0;
4107 }
4108 EOF
4109 if compile_prog "" "" ; then
4110   ppoll=yes
4111 fi
4112
4113 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4114 prctl_pr_set_timerslack=no
4115 cat > $TMPC << EOF
4116 #include <sys/prctl.h>
4117
4118 int main(void)
4119 {
4120     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4121     return 0;
4122 }
4123 EOF
4124 if compile_prog "" "" ; then
4125   prctl_pr_set_timerslack=yes
4126 fi
4127
4128 # check for epoll support
4129 epoll=no
4130 cat > $TMPC << EOF
4131 #include <sys/epoll.h>
4132
4133 int main(void)
4134 {
4135     epoll_create(0);
4136     return 0;
4137 }
4138 EOF
4139 if compile_prog "" "" ; then
4140   epoll=yes
4141 fi
4142
4143 # epoll_create1 is a later addition
4144 # so we must check separately for its presence
4145 epoll_create1=no
4146 cat > $TMPC << EOF
4147 #include <sys/epoll.h>
4148
4149 int main(void)
4150 {
4151     /* Note that we use epoll_create1 as a value, not as
4152      * a function being called. This is necessary so that on
4153      * old SPARC glibc versions where the function was present in
4154      * the library but not declared in the header file we will
4155      * fail the configure check. (Otherwise we will get a compiler
4156      * warning but not an error, and will proceed to fail the
4157      * qemu compile where we compile with -Werror.)
4158      */
4159     return (int)(uintptr_t)&epoll_create1;
4160 }
4161 EOF
4162 if compile_prog "" "" ; then
4163   epoll_create1=yes
4164 fi
4165
4166 # check for sendfile support
4167 sendfile=no
4168 cat > $TMPC << EOF
4169 #include <sys/sendfile.h>
4170
4171 int main(void)
4172 {
4173     return sendfile(0, 0, 0, 0);
4174 }
4175 EOF
4176 if compile_prog "" "" ; then
4177   sendfile=yes
4178 fi
4179
4180 # check for timerfd support (glibc 2.8 and newer)
4181 timerfd=no
4182 cat > $TMPC << EOF
4183 #include <sys/timerfd.h>
4184
4185 int main(void)
4186 {
4187     return(timerfd_create(CLOCK_REALTIME, 0));
4188 }
4189 EOF
4190 if compile_prog "" "" ; then
4191   timerfd=yes
4192 fi
4193
4194 # check for setns and unshare support
4195 setns=no
4196 cat > $TMPC << EOF
4197 #include <sched.h>
4198
4199 int main(void)
4200 {
4201     int ret;
4202     ret = setns(0, 0);
4203     ret = unshare(0);
4204     return ret;
4205 }
4206 EOF
4207 if compile_prog "" "" ; then
4208   setns=yes
4209 fi
4210
4211 # clock_adjtime probe
4212 clock_adjtime=no
4213 cat > $TMPC <<EOF
4214 #include <time.h>
4215
4216 int main(void)
4217 {
4218     return clock_adjtime(0, 0);
4219 }
4220 EOF
4221 clock_adjtime=no
4222 if compile_prog "" "" ; then
4223   clock_adjtime=yes
4224 fi
4225
4226 # syncfs probe
4227 syncfs=no
4228 cat > $TMPC <<EOF
4229 #include <unistd.h>
4230
4231 int main(void)
4232 {
4233     return syncfs(0);
4234 }
4235 EOF
4236 syncfs=no
4237 if compile_prog "" "" ; then
4238   syncfs=yes
4239 fi
4240
4241 # Check if tools are available to build documentation.
4242 if test "$docs" != "no" ; then
4243   if has makeinfo && has pod2man; then
4244     docs=yes
4245   else
4246     if test "$docs" = "yes" ; then
4247       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4248     fi
4249     docs=no
4250   fi
4251 fi
4252
4253 # Search for bswap_32 function
4254 byteswap_h=no
4255 cat > $TMPC << EOF
4256 #include <byteswap.h>
4257 int main(void) { return bswap_32(0); }
4258 EOF
4259 if compile_prog "" "" ; then
4260   byteswap_h=yes
4261 fi
4262
4263 # Search for bswap32 function
4264 bswap_h=no
4265 cat > $TMPC << EOF
4266 #include <sys/endian.h>
4267 #include <sys/types.h>
4268 #include <machine/bswap.h>
4269 int main(void) { return bswap32(0); }
4270 EOF
4271 if compile_prog "" "" ; then
4272   bswap_h=yes
4273 fi
4274
4275 ##########################################
4276 # Do we have libiscsi >= 1.9.0
4277 if test "$libiscsi" != "no" ; then
4278   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4279     libiscsi="yes"
4280     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4281     libiscsi_libs=$($pkg_config --libs libiscsi)
4282   else
4283     if test "$libiscsi" = "yes" ; then
4284       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4285     fi
4286     libiscsi="no"
4287   fi
4288 fi
4289
4290 ##########################################
4291 # Do we need libm
4292 cat > $TMPC << EOF
4293 #include <math.h>
4294 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4295 EOF
4296 if compile_prog "" "" ; then
4297   :
4298 elif compile_prog "" "-lm" ; then
4299   LIBS="-lm $LIBS"
4300   libs_qga="-lm $libs_qga"
4301 else
4302   error_exit "libm check failed"
4303 fi
4304
4305 ##########################################
4306 # Do we need librt
4307 # uClibc provides 2 versions of clock_gettime(), one with realtime
4308 # support and one without. This means that the clock_gettime() don't
4309 # need -lrt. We still need it for timer_create() so we check for this
4310 # function in addition.
4311 cat > $TMPC <<EOF
4312 #include <signal.h>
4313 #include <time.h>
4314 int main(void) {
4315   timer_create(CLOCK_REALTIME, NULL, NULL);
4316   return clock_gettime(CLOCK_REALTIME, NULL);
4317 }
4318 EOF
4319
4320 if compile_prog "" "" ; then
4321   :
4322 # we need pthread for static linking. use previous pthread test result
4323 elif compile_prog "" "$pthread_lib -lrt" ; then
4324   LIBS="$LIBS -lrt"
4325   libs_qga="$libs_qga -lrt"
4326 fi
4327
4328 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4329         "$haiku" != "yes" ; then
4330     libs_softmmu="-lutil $libs_softmmu"
4331 fi
4332
4333 ##########################################
4334 # spice probe
4335 if test "$spice" != "no" ; then
4336   cat > $TMPC << EOF
4337 #include <spice.h>
4338 int main(void) { spice_server_new(); return 0; }
4339 EOF
4340   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4341   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4342   if $pkg_config --atleast-version=0.12.0 spice-server && \
4343      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4344      compile_prog "$spice_cflags" "$spice_libs" ; then
4345     spice="yes"
4346     libs_softmmu="$libs_softmmu $spice_libs"
4347     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4348     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4349     spice_server_version=$($pkg_config --modversion spice-server)
4350   else
4351     if test "$spice" = "yes" ; then
4352       feature_not_found "spice" \
4353           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4354     fi
4355     spice="no"
4356   fi
4357 fi
4358
4359 # check for smartcard support
4360 if test "$smartcard" != "no"; then
4361     if $pkg_config libcacard; then
4362         libcacard_cflags=$($pkg_config --cflags libcacard)
4363         libcacard_libs=$($pkg_config --libs libcacard)
4364         smartcard="yes"
4365     else
4366         if test "$smartcard" = "yes"; then
4367             feature_not_found "smartcard" "Install libcacard devel"
4368         fi
4369         smartcard="no"
4370     fi
4371 fi
4372
4373 # check for libusb
4374 if test "$libusb" != "no" ; then
4375     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4376         libusb="yes"
4377         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4378         libusb_libs=$($pkg_config --libs libusb-1.0)
4379     else
4380         if test "$libusb" = "yes"; then
4381             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4382         fi
4383         libusb="no"
4384     fi
4385 fi
4386
4387 # check for usbredirparser for usb network redirection support
4388 if test "$usb_redir" != "no" ; then
4389     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4390         usb_redir="yes"
4391         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4392         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4393     else
4394         if test "$usb_redir" = "yes"; then
4395             feature_not_found "usb-redir" "Install usbredir devel"
4396         fi
4397         usb_redir="no"
4398     fi
4399 fi
4400
4401 ##########################################
4402 # check if we have VSS SDK headers for win
4403
4404 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4405   case "$vss_win32_sdk" in
4406     "")   vss_win32_include="-isystem $source_path" ;;
4407     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4408           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4409           vss_win32_include="-isystem $source_path/.sdk/vss"
4410           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4411           ;;
4412     *)    vss_win32_include="-isystem $vss_win32_sdk"
4413   esac
4414   cat > $TMPC << EOF
4415 #define __MIDL_user_allocate_free_DEFINED__
4416 #include <inc/win2003/vss.h>
4417 int main(void) { return VSS_CTX_BACKUP; }
4418 EOF
4419   if compile_prog "$vss_win32_include" "" ; then
4420     guest_agent_with_vss="yes"
4421     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4422     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4423     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4424   else
4425     if test "$vss_win32_sdk" != "" ; then
4426       echo "ERROR: Please download and install Microsoft VSS SDK:"
4427       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4428       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4429       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4430       echo "ERROR: The headers are extracted in the directory \`inc'."
4431       feature_not_found "VSS support"
4432     fi
4433     guest_agent_with_vss="no"
4434   fi
4435 fi
4436
4437 ##########################################
4438 # lookup Windows platform SDK (if not specified)
4439 # The SDK is needed only to build .tlb (type library) file of guest agent
4440 # VSS provider from the source. It is usually unnecessary because the
4441 # pre-compiled .tlb file is included.
4442
4443 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4444   if test -z "$win_sdk"; then
4445     programfiles="$PROGRAMFILES"
4446     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4447     if test -n "$programfiles"; then
4448       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4449     else
4450       feature_not_found "Windows SDK"
4451     fi
4452   elif test "$win_sdk" = "no"; then
4453     win_sdk=""
4454   fi
4455 fi
4456
4457 ##########################################
4458 # check if mingw environment provides a recent ntddscsi.h
4459 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4460   cat > $TMPC << EOF
4461 #include <windows.h>
4462 #include <ntddscsi.h>
4463 int main(void) {
4464 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4465 #error Missing required ioctl definitions
4466 #endif
4467   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4468   return addr.Lun;
4469 }
4470 EOF
4471   if compile_prog "" "" ; then
4472     guest_agent_ntddscsi=yes
4473     libs_qga="-lsetupapi $libs_qga"
4474   fi
4475 fi
4476
4477 ##########################################
4478 # virgl renderer probe
4479
4480 if test "$virglrenderer" != "no" ; then
4481   cat > $TMPC << EOF
4482 #include <virglrenderer.h>
4483 int main(void) { virgl_renderer_poll(); return 0; }
4484 EOF
4485   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4486   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4487   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4488      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4489     virglrenderer="yes"
4490   else
4491     if test "$virglrenderer" = "yes" ; then
4492       feature_not_found "virglrenderer"
4493     fi
4494     virglrenderer="no"
4495   fi
4496 fi
4497
4498 ##########################################
4499 # capstone
4500
4501 case "$capstone" in
4502   "" | yes)
4503     if $pkg_config capstone; then
4504       capstone=system
4505     elif test -e "${source_path}/.git" ; then
4506       capstone=git
4507     elif test -e "${source_path}/capstone/Makefile" ; then
4508       capstone=internal
4509     elif test -z "$capstone" ; then
4510       capstone=no
4511     else
4512       feature_not_found "capstone" "Install capstone devel or git submodule"
4513     fi
4514     ;;
4515
4516   system)
4517     if ! $pkg_config capstone; then
4518       feature_not_found "capstone" "Install capstone devel"
4519     fi
4520     ;;
4521 esac
4522
4523 case "$capstone" in
4524   git | internal)
4525     if test "$capstone" = git; then
4526       git_submodules="${git_submodules} capstone"
4527     fi
4528     mkdir -p capstone
4529     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4530     if test "$mingw32" = "yes"; then
4531       LIBCAPSTONE=capstone.lib
4532     else
4533       LIBCAPSTONE=libcapstone.a
4534     fi
4535     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4536     ;;
4537
4538   system)
4539     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4540     LIBS="$($pkg_config --libs capstone) $LIBS"
4541     ;;
4542
4543   no)
4544     ;;
4545   *)
4546     error_exit "Unknown state for capstone: $capstone"
4547     ;;
4548 esac
4549
4550 ##########################################
4551 # check if we have fdatasync
4552
4553 fdatasync=no
4554 cat > $TMPC << EOF
4555 #include <unistd.h>
4556 int main(void) {
4557 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4558 return fdatasync(0);
4559 #else
4560 #error Not supported
4561 #endif
4562 }
4563 EOF
4564 if compile_prog "" "" ; then
4565     fdatasync=yes
4566 fi
4567
4568 ##########################################
4569 # check if we have madvise
4570
4571 madvise=no
4572 cat > $TMPC << EOF
4573 #include <sys/types.h>
4574 #include <sys/mman.h>
4575 #include <stddef.h>
4576 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4577 EOF
4578 if compile_prog "" "" ; then
4579     madvise=yes
4580 fi
4581
4582 ##########################################
4583 # check if we have posix_madvise
4584
4585 posix_madvise=no
4586 cat > $TMPC << EOF
4587 #include <sys/mman.h>
4588 #include <stddef.h>
4589 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4590 EOF
4591 if compile_prog "" "" ; then
4592     posix_madvise=yes
4593 fi
4594
4595 ##########################################
4596 # check if we have posix_syslog
4597
4598 posix_syslog=no
4599 cat > $TMPC << EOF
4600 #include <syslog.h>
4601 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4602 EOF
4603 if compile_prog "" "" ; then
4604     posix_syslog=yes
4605 fi
4606
4607 ##########################################
4608 # check if we have sem_timedwait
4609
4610 sem_timedwait=no
4611 cat > $TMPC << EOF
4612 #include <semaphore.h>
4613 int main(void) { return sem_timedwait(0, 0); }
4614 EOF
4615 if compile_prog "" "" ; then
4616     sem_timedwait=yes
4617 fi
4618
4619 ##########################################
4620 # check if trace backend exists
4621
4622 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4623 if test "$?" -ne 0 ; then
4624   error_exit "invalid trace backends" \
4625       "Please choose supported trace backends."
4626 fi
4627
4628 ##########################################
4629 # For 'ust' backend, test if ust headers are present
4630 if have_backend "ust"; then
4631   cat > $TMPC << EOF
4632 #include <lttng/tracepoint.h>
4633 int main(void) { return 0; }
4634 EOF
4635   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4636     if $pkg_config lttng-ust --exists; then
4637       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4638     else
4639       lttng_ust_libs="-llttng-ust -ldl"
4640     fi
4641     if $pkg_config liburcu-bp --exists; then
4642       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4643     else
4644       urcu_bp_libs="-lurcu-bp"
4645     fi
4646
4647     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4648     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4649   else
4650     error_exit "Trace backend 'ust' missing lttng-ust header files"
4651   fi
4652 fi
4653
4654 ##########################################
4655 # For 'dtrace' backend, test if 'dtrace' command is present
4656 if have_backend "dtrace"; then
4657   if ! has 'dtrace' ; then
4658     error_exit "dtrace command is not found in PATH $PATH"
4659   fi
4660   trace_backend_stap="no"
4661   if has 'stap' ; then
4662     trace_backend_stap="yes"
4663   fi
4664 fi
4665
4666 ##########################################
4667 # check and set a backend for coroutine
4668
4669 # We prefer ucontext, but it's not always possible. The fallback
4670 # is sigcontext. On Windows the only valid backend is the Windows
4671 # specific one.
4672
4673 ucontext_works=no
4674 if test "$darwin" != "yes"; then
4675   cat > $TMPC << EOF
4676 #include <ucontext.h>
4677 #ifdef __stub_makecontext
4678 #error Ignoring glibc stub makecontext which will always fail
4679 #endif
4680 int main(void) { makecontext(0, 0, 0); return 0; }
4681 EOF
4682   if compile_prog "" "" ; then
4683     ucontext_works=yes
4684   fi
4685 fi
4686
4687 if test "$coroutine" = ""; then
4688   if test "$mingw32" = "yes"; then
4689     coroutine=win32
4690   elif test "$ucontext_works" = "yes"; then
4691     coroutine=ucontext
4692   else
4693     coroutine=sigaltstack
4694   fi
4695 else
4696   case $coroutine in
4697   windows)
4698     if test "$mingw32" != "yes"; then
4699       error_exit "'windows' coroutine backend only valid for Windows"
4700     fi
4701     # Unfortunately the user visible backend name doesn't match the
4702     # coroutine-*.c filename for this case, so we have to adjust it here.
4703     coroutine=win32
4704     ;;
4705   ucontext)
4706     if test "$ucontext_works" != "yes"; then
4707       feature_not_found "ucontext"
4708     fi
4709     ;;
4710   sigaltstack)
4711     if test "$mingw32" = "yes"; then
4712       error_exit "only the 'windows' coroutine backend is valid for Windows"
4713     fi
4714     ;;
4715   *)
4716     error_exit "unknown coroutine backend $coroutine"
4717     ;;
4718   esac
4719 fi
4720
4721 if test "$coroutine_pool" = ""; then
4722   coroutine_pool=yes
4723 fi
4724
4725 if test "$debug_stack_usage" = "yes"; then
4726   if test "$cpu" = "ia64" -o "$cpu" = "hppa"; then
4727     error_exit "stack usage debugging is not supported for $cpu"
4728   fi
4729   if test "$coroutine_pool" = "yes"; then
4730     echo "WARN: disabling coroutine pool for stack usage debugging"
4731     coroutine_pool=no
4732   fi
4733 fi
4734
4735
4736 ##########################################
4737 # check if we have open_by_handle_at
4738
4739 open_by_handle_at=no
4740 cat > $TMPC << EOF
4741 #include <fcntl.h>
4742 #if !defined(AT_EMPTY_PATH)
4743 # error missing definition
4744 #else
4745 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4746 #endif
4747 EOF
4748 if compile_prog "" "" ; then
4749     open_by_handle_at=yes
4750 fi
4751
4752 ########################################
4753 # check if we have linux/magic.h
4754
4755 linux_magic_h=no
4756 cat > $TMPC << EOF
4757 #include <linux/magic.h>
4758 int main(void) {
4759   return 0;
4760 }
4761 EOF
4762 if compile_prog "" "" ; then
4763     linux_magic_h=yes
4764 fi
4765
4766 ########################################
4767 # check whether we can disable warning option with a pragma (this is needed
4768 # to silence warnings in the headers of some versions of external libraries).
4769 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4770 # only a warning.
4771 #
4772 # If we can't selectively disable warning in the code, disable -Werror so that
4773 # the build doesn't fail anyway.
4774
4775 pragma_disable_unused_but_set=no
4776 cat > $TMPC << EOF
4777 #pragma GCC diagnostic push
4778 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4779 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4780 #pragma GCC diagnostic pop
4781
4782 int main(void) {
4783     return 0;
4784 }
4785 EOF
4786 if compile_prog "-Werror" "" ; then
4787     pragma_diagnostic_available=yes
4788 else
4789     werror=no
4790 fi
4791
4792 ########################################
4793 # check if we have valgrind/valgrind.h
4794
4795 valgrind_h=no
4796 cat > $TMPC << EOF
4797 #include <valgrind/valgrind.h>
4798 int main(void) {
4799   return 0;
4800 }
4801 EOF
4802 if compile_prog "" "" ; then
4803     valgrind_h=yes
4804 fi
4805
4806 ########################################
4807 # check if environ is declared
4808
4809 has_environ=no
4810 cat > $TMPC << EOF
4811 #include <unistd.h>
4812 int main(void) {
4813     environ = 0;
4814     return 0;
4815 }
4816 EOF
4817 if compile_prog "" "" ; then
4818     has_environ=yes
4819 fi
4820
4821 ########################################
4822 # check if cpuid.h is usable.
4823
4824 cat > $TMPC << EOF
4825 #include <cpuid.h>
4826 int main(void) {
4827     unsigned a, b, c, d;
4828     int max = __get_cpuid_max(0, 0);
4829
4830     if (max >= 1) {
4831         __cpuid(1, a, b, c, d);
4832     }
4833
4834     if (max >= 7) {
4835         __cpuid_count(7, 0, a, b, c, d);
4836     }
4837
4838     return 0;
4839 }
4840 EOF
4841 if compile_prog "" "" ; then
4842     cpuid_h=yes
4843 fi
4844
4845 ##########################################
4846 # avx2 optimization requirement check
4847 #
4848 # There is no point enabling this if cpuid.h is not usable,
4849 # since we won't be able to select the new routines.
4850
4851 if test $cpuid_h = yes; then
4852   cat > $TMPC << EOF
4853 #pragma GCC push_options
4854 #pragma GCC target("avx2")
4855 #include <cpuid.h>
4856 #include <immintrin.h>
4857 static int bar(void *a) {
4858     __m256i x = *(__m256i *)a;
4859     return _mm256_testz_si256(x, x);
4860 }
4861 int main(int argc, char *argv[]) { return bar(argv[0]); }
4862 EOF
4863   if compile_object "" ; then
4864     avx2_opt="yes"
4865   fi
4866 fi
4867
4868 ########################################
4869 # check if __[u]int128_t is usable.
4870
4871 int128=no
4872 cat > $TMPC << EOF
4873 #if defined(__clang_major__) && defined(__clang_minor__)
4874 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4875 #  error __int128_t does not work in CLANG before 3.2
4876 # endif
4877 #endif
4878 __int128_t a;
4879 __uint128_t b;
4880 int main (void) {
4881   a = a + b;
4882   b = a * b;
4883   a = a * a;
4884   return 0;
4885 }
4886 EOF
4887 if compile_prog "" "" ; then
4888     int128=yes
4889 fi
4890
4891 #########################################
4892 # See if 128-bit atomic operations are supported.
4893
4894 atomic128=no
4895 if test "$int128" = "yes"; then
4896   cat > $TMPC << EOF
4897 int main(void)
4898 {
4899   unsigned __int128 x = 0, y = 0;
4900   y = __atomic_load_16(&x, 0);
4901   __atomic_store_16(&x, y, 0);
4902   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4903   return 0;
4904 }
4905 EOF
4906   if compile_prog "" "" ; then
4907     atomic128=yes
4908   fi
4909 fi
4910
4911 #########################################
4912 # See if 64-bit atomic operations are supported.
4913 # Note that without __atomic builtins, we can only
4914 # assume atomic loads/stores max at pointer size.
4915
4916 cat > $TMPC << EOF
4917 #include <stdint.h>
4918 int main(void)
4919 {
4920   uint64_t x = 0, y = 0;
4921 #ifdef __ATOMIC_RELAXED
4922   y = __atomic_load_8(&x, 0);
4923   __atomic_store_8(&x, y, 0);
4924   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
4925   __atomic_exchange_8(&x, y, 0);
4926   __atomic_fetch_add_8(&x, y, 0);
4927 #else
4928   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
4929   __sync_lock_test_and_set(&x, y);
4930   __sync_val_compare_and_swap(&x, y, 0);
4931   __sync_fetch_and_add(&x, y);
4932 #endif
4933   return 0;
4934 }
4935 EOF
4936 if compile_prog "" "" ; then
4937   atomic64=yes
4938 fi
4939
4940 ########################################
4941 # check if getauxval is available.
4942
4943 getauxval=no
4944 cat > $TMPC << EOF
4945 #include <sys/auxv.h>
4946 int main(void) {
4947   return getauxval(AT_HWCAP) == 0;
4948 }
4949 EOF
4950 if compile_prog "" "" ; then
4951     getauxval=yes
4952 fi
4953
4954 ########################################
4955 # check if ccache is interfering with
4956 # semantic analysis of macros
4957
4958 unset CCACHE_CPP2
4959 ccache_cpp2=no
4960 cat > $TMPC << EOF
4961 static const int Z = 1;
4962 #define fn() ({ Z; })
4963 #define TAUT(X) ((X) == Z)
4964 #define PAREN(X, Y) (X == Y)
4965 #define ID(X) (X)
4966 int main(int argc, char *argv[])
4967 {
4968     int x = 0, y = 0;
4969     x = ID(x);
4970     x = fn();
4971     fn();
4972     if (PAREN(x, y)) return 0;
4973     if (TAUT(Z)) return 0;
4974     return 0;
4975 }
4976 EOF
4977
4978 if ! compile_object "-Werror"; then
4979     ccache_cpp2=yes
4980 fi
4981
4982 #################################################
4983 # clang does not support glibc + FORTIFY_SOURCE.
4984
4985 if test "$fortify_source" != "no"; then
4986   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4987     fortify_source="no";
4988   elif test -n "$cxx" && has $cxx &&
4989        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4990     fortify_source="no";
4991   else
4992     fortify_source="yes"
4993   fi
4994 fi
4995
4996 ##########################################
4997 # check if struct fsxattr is available via linux/fs.h
4998
4999 have_fsxattr=no
5000 cat > $TMPC << EOF
5001 #include <linux/fs.h>
5002 struct fsxattr foo;
5003 int main(void) {
5004   return 0;
5005 }
5006 EOF
5007 if compile_prog "" "" ; then
5008     have_fsxattr=yes
5009 fi
5010
5011 ##########################################
5012 # check if rtnetlink.h exists and is useful
5013 have_rtnetlink=no
5014 cat > $TMPC << EOF
5015 #include <linux/rtnetlink.h>
5016 int main(void) {
5017   return IFLA_PROTO_DOWN;
5018 }
5019 EOF
5020 if compile_prog "" "" ; then
5021     have_rtnetlink=yes
5022 fi
5023
5024 ##########################################
5025 # check for usable AF_VSOCK environment
5026 have_af_vsock=no
5027 cat > $TMPC << EOF
5028 #include <errno.h>
5029 #include <sys/types.h>
5030 #include <sys/socket.h>
5031 #if !defined(AF_VSOCK)
5032 # error missing AF_VSOCK flag
5033 #endif
5034 #include <linux/vm_sockets.h>
5035 int main(void) {
5036     int sock, ret;
5037     struct sockaddr_vm svm;
5038     socklen_t len = sizeof(svm);
5039     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5040     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5041     if ((ret == -1) && (errno == ENOTCONN)) {
5042         return 0;
5043     }
5044     return -1;
5045 }
5046 EOF
5047 if compile_prog "" "" ; then
5048     have_af_vsock=yes
5049 fi
5050
5051 ##########################################
5052 # check for usable AF_ALG environment
5053 hava_afalg=no
5054 cat > $TMPC << EOF
5055 #include <errno.h>
5056 #include <sys/types.h>
5057 #include <sys/socket.h>
5058 #include <linux/if_alg.h>
5059 int main(void) {
5060     int sock;
5061     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5062     return sock;
5063 }
5064 EOF
5065 if compile_prog "" "" ; then
5066     have_afalg=yes
5067 fi
5068 if test "$crypto_afalg" = "yes"
5069 then
5070     if test "$have_afalg" != "yes"
5071     then
5072         error_exit "AF_ALG requested but could not be detected"
5073     fi
5074 fi
5075
5076
5077 #################################################
5078 # Check to see if we have the Hypervisor framework
5079 if [ "$darwin" = "yes" ] ; then
5080   cat > $TMPC << EOF
5081 #include <Hypervisor/hv.h>
5082 int main() { return 0;}
5083 EOF
5084   if ! compile_object ""; then
5085     hvf='no'
5086   else
5087     hvf='yes'
5088     LDFLAGS="-framework Hypervisor $LDFLAGS"
5089   fi
5090 fi
5091
5092 #################################################
5093 # Sparc implicitly links with --relax, which is
5094 # incompatible with -r, so --no-relax should be
5095 # given. It does no harm to give it on other
5096 # platforms too.
5097
5098 # Note: the prototype is needed since QEMU_CFLAGS
5099 #       contains -Wmissing-prototypes
5100 cat > $TMPC << EOF
5101 extern int foo(void);
5102 int foo(void) { return 0; }
5103 EOF
5104 if ! compile_object ""; then
5105   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5106 fi
5107 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5108   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5109     LD_REL_FLAGS=$i
5110     break
5111   fi
5112 done
5113 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5114   feature_not_found "modules" "Cannot find how to build relocatable objects"
5115 fi
5116
5117 ##########################################
5118 # check for sysmacros.h
5119
5120 have_sysmacros=no
5121 cat > $TMPC << EOF
5122 #include <sys/sysmacros.h>
5123 int main(void) {
5124     return makedev(0, 0);
5125 }
5126 EOF
5127 if compile_prog "" "" ; then
5128     have_sysmacros=yes
5129 fi
5130
5131 ##########################################
5132 # Veritas HyperScale block driver VxHS
5133 # Check if libvxhs is installed
5134
5135 if test "$vxhs" != "no" ; then
5136   cat > $TMPC <<EOF
5137 #include <stdint.h>
5138 #include <qnio/qnio_api.h>
5139
5140 void *vxhs_callback;
5141
5142 int main(void) {
5143     iio_init(QNIO_VERSION, vxhs_callback);
5144     return 0;
5145 }
5146 EOF
5147   vxhs_libs="-lvxhs -lssl"
5148   if compile_prog "" "$vxhs_libs" ; then
5149     vxhs=yes
5150   else
5151     if test "$vxhs" = "yes" ; then
5152       feature_not_found "vxhs block device" "Install libvxhs See github"
5153     fi
5154     vxhs=no
5155   fi
5156 fi
5157
5158 ##########################################
5159 # check for _Static_assert()
5160
5161 have_static_assert=no
5162 cat > $TMPC << EOF
5163 _Static_assert(1, "success");
5164 int main(void) {
5165     return 0;
5166 }
5167 EOF
5168 if compile_prog "" "" ; then
5169     have_static_assert=yes
5170 fi
5171
5172 ##########################################
5173 # check for utmpx.h, it is missing e.g. on OpenBSD
5174
5175 have_utmpx=no
5176 cat > $TMPC << EOF
5177 #include <utmpx.h>
5178 struct utmpx user_info;
5179 int main(void) {
5180     return 0;
5181 }
5182 EOF
5183 if compile_prog "" "" ; then
5184     have_utmpx=yes
5185 fi
5186
5187 ##########################################
5188 # End of CC checks
5189 # After here, no more $cc or $ld runs
5190
5191 if test "$gcov" = "yes" ; then
5192   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5193   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5194 elif test "$fortify_source" = "yes" ; then
5195   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5196 elif test "$debug" = "no"; then
5197   CFLAGS="-O2 $CFLAGS"
5198 fi
5199
5200 ##########################################
5201 # Do we have libnfs
5202 if test "$libnfs" != "no" ; then
5203   if $pkg_config --atleast-version=1.9.3 libnfs; then
5204     libnfs="yes"
5205     libnfs_libs=$($pkg_config --libs libnfs)
5206   else
5207     if test "$libnfs" = "yes" ; then
5208       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5209     fi
5210     libnfs="no"
5211   fi
5212 fi
5213
5214 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5215 if test "$werror" = "yes"; then
5216     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5217 fi
5218
5219 if test "$solaris" = "no" ; then
5220     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5221         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5222     fi
5223 fi
5224
5225 # test if pod2man has --utf8 option
5226 if pod2man --help | grep -q utf8; then
5227     POD2MAN="pod2man --utf8"
5228 else
5229     POD2MAN="pod2man"
5230 fi
5231
5232 # Use ASLR, no-SEH and DEP if available
5233 if test "$mingw32" = "yes" ; then
5234     for flag in --dynamicbase --no-seh --nxcompat; do
5235         if ld_has $flag ; then
5236             LDFLAGS="-Wl,$flag $LDFLAGS"
5237         fi
5238     done
5239 fi
5240
5241 qemu_confdir=$sysconfdir$confsuffix
5242 qemu_moddir=$libdir$confsuffix
5243 qemu_datadir=$datadir$confsuffix
5244 qemu_localedir="$datadir/locale"
5245
5246 # We can only support ivshmem if we have eventfd
5247 if [ "$eventfd" = "yes" ]; then
5248   ivshmem=yes
5249 fi
5250
5251 tools=""
5252 if test "$want_tools" = "yes" ; then
5253   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5254   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5255     tools="qemu-nbd\$(EXESUF) $tools"
5256   fi
5257   if [ "$ivshmem" = "yes" ]; then
5258     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5259   fi
5260 fi
5261 if test "$softmmu" = yes ; then
5262   if test "$linux" = yes; then
5263     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5264       virtfs=yes
5265       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5266     else
5267       if test "$virtfs" = yes; then
5268         error_exit "VirtFS requires libcap devel and libattr devel"
5269       fi
5270       virtfs=no
5271     fi
5272     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5273       mpath=yes
5274     else
5275       if test "$mpath" = yes; then
5276         error_exit "Multipath requires libmpathpersist devel"
5277       fi
5278       mpath=no
5279     fi
5280     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5281   else
5282     if test "$virtfs" = yes; then
5283       error_exit "VirtFS is supported only on Linux"
5284     fi
5285     virtfs=no
5286     if test "$mpath" = yes; then
5287       error_exit "Multipath is supported only on Linux"
5288     fi
5289     mpath=no
5290   fi
5291   if test "$xkbcommon" = "yes"; then
5292     tools="qemu-keymap\$(EXESUF) $tools"
5293   fi
5294 fi
5295
5296 # Probe for guest agent support/options
5297
5298 if [ "$guest_agent" != "no" ]; then
5299   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5300       tools="qemu-ga $tools"
5301       guest_agent=yes
5302   elif [ "$guest_agent" != yes ]; then
5303       guest_agent=no
5304   else
5305       error_exit "Guest agent is not supported on this platform"
5306   fi
5307 fi
5308
5309 # Guest agent Window MSI  package
5310
5311 if test "$guest_agent" != yes; then
5312   if test "$guest_agent_msi" = yes; then
5313     error_exit "MSI guest agent package requires guest agent enabled"
5314   fi
5315   guest_agent_msi=no
5316 elif test "$mingw32" != "yes"; then
5317   if test "$guest_agent_msi" = "yes"; then
5318     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5319   fi
5320   guest_agent_msi=no
5321 elif ! has wixl; then
5322   if test "$guest_agent_msi" = "yes"; then
5323     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5324   fi
5325   guest_agent_msi=no
5326 else
5327   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5328   # disabled explicitly
5329   if test "$guest_agent_msi" != "no"; then
5330     guest_agent_msi=yes
5331   fi
5332 fi
5333
5334 if test "$guest_agent_msi" = "yes"; then
5335   if test "$guest_agent_with_vss" = "yes"; then
5336     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5337   fi
5338
5339   if test "$QEMU_GA_MANUFACTURER" = ""; then
5340     QEMU_GA_MANUFACTURER=QEMU
5341   fi
5342
5343   if test "$QEMU_GA_DISTRO" = ""; then
5344     QEMU_GA_DISTRO=Linux
5345   fi
5346
5347   if test "$QEMU_GA_VERSION" = ""; then
5348       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5349   fi
5350
5351   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5352
5353   case "$cpu" in
5354   x86_64)
5355     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5356     ;;
5357   i386)
5358     QEMU_GA_MSI_ARCH="-D Arch=32"
5359     ;;
5360   *)
5361     error_exit "CPU $cpu not supported for building installation package"
5362     ;;
5363   esac
5364 fi
5365
5366 # Mac OS X ships with a broken assembler
5367 roms=
5368 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5369         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5370         "$softmmu" = yes ; then
5371     # Different host OS linkers have different ideas about the name of the ELF
5372     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5373     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5374     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5375         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5376             ld_i386_emulation="$emu"
5377             roms="optionrom"
5378             break
5379         fi
5380     done
5381 fi
5382 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5383   roms="$roms spapr-rtas"
5384 fi
5385
5386 if test "$cpu" = "s390x" ; then
5387   roms="$roms s390-ccw"
5388 fi
5389
5390 # Probe for the need for relocating the user-only binary.
5391 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5392   textseg_addr=
5393   case "$cpu" in
5394     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5395       # ??? Rationale for choosing this address
5396       textseg_addr=0x60000000
5397       ;;
5398     mips)
5399       # A 256M aligned address, high in the address space, with enough
5400       # room for the code_gen_buffer above it before the stack.
5401       textseg_addr=0x60000000
5402       ;;
5403   esac
5404   if [ -n "$textseg_addr" ]; then
5405     cat > $TMPC <<EOF
5406     int main(void) { return 0; }
5407 EOF
5408     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5409     if ! compile_prog "" "$textseg_ldflags"; then
5410       # In case ld does not support -Ttext-segment, edit the default linker
5411       # script via sed to set the .text start addr.  This is needed on FreeBSD
5412       # at least.
5413       if ! $ld --verbose >/dev/null 2>&1; then
5414         error_exit \
5415             "We need to link the QEMU user mode binaries at a" \
5416             "specific text address. Unfortunately your linker" \
5417             "doesn't support either the -Ttext-segment option or" \
5418             "printing the default linker script with --verbose." \
5419             "If you don't want the user mode binaries, pass the" \
5420             "--disable-user option to configure."
5421       fi
5422
5423       $ld --verbose | sed \
5424         -e '1,/==================================================/d' \
5425         -e '/==================================================/,$d' \
5426         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5427         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5428       textseg_ldflags="-Wl,-T../config-host.ld"
5429     fi
5430   fi
5431 fi
5432
5433 # Check that the C++ compiler exists and works with the C compiler.
5434 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5435 if has $cxx; then
5436     cat > $TMPC <<EOF
5437 int c_function(void);
5438 int main(void) { return c_function(); }
5439 EOF
5440
5441     compile_object
5442
5443     cat > $TMPCXX <<EOF
5444 extern "C" {
5445    int c_function(void);
5446 }
5447 int c_function(void) { return 42; }
5448 EOF
5449
5450     update_cxxflags
5451
5452     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5453         # C++ compiler $cxx works ok with C compiler $cc
5454         :
5455     else
5456         echo "C++ compiler $cxx does not work with C compiler $cc"
5457         echo "Disabling C++ specific optional code"
5458         cxx=
5459     fi
5460 else
5461     echo "No C++ compiler available; disabling C++ specific optional code"
5462     cxx=
5463 fi
5464
5465 echo_version() {
5466     if test "$1" = "yes" ; then
5467         echo "($2)"
5468     fi
5469 }
5470
5471 # prepend pixman and ftd flags after all config tests are done
5472 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5473 libs_softmmu="$pixman_libs $libs_softmmu"
5474
5475 echo "Install prefix    $prefix"
5476 echo "BIOS directory    $(eval echo $qemu_datadir)"
5477 echo "firmware path     $(eval echo $firmwarepath)"
5478 echo "binary directory  $(eval echo $bindir)"
5479 echo "library directory $(eval echo $libdir)"
5480 echo "module directory  $(eval echo $qemu_moddir)"
5481 echo "libexec directory $(eval echo $libexecdir)"
5482 echo "include directory $(eval echo $includedir)"
5483 echo "config directory  $(eval echo $sysconfdir)"
5484 if test "$mingw32" = "no" ; then
5485 echo "local state directory   $(eval echo $local_statedir)"
5486 echo "Manual directory  $(eval echo $mandir)"
5487 echo "ELF interp prefix $interp_prefix"
5488 else
5489 echo "local state directory   queried at runtime"
5490 echo "Windows SDK       $win_sdk"
5491 fi
5492 echo "Source path       $source_path"
5493 echo "GIT binary        $git"
5494 echo "GIT submodules    $git_submodules"
5495 echo "C compiler        $cc"
5496 echo "Host C compiler   $host_cc"
5497 echo "C++ compiler      $cxx"
5498 echo "Objective-C compiler $objcc"
5499 echo "ARFLAGS           $ARFLAGS"
5500 echo "CFLAGS            $CFLAGS"
5501 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5502 echo "LDFLAGS           $LDFLAGS"
5503 echo "make              $make"
5504 echo "install           $install"
5505 echo "python            $python"
5506 if test "$slirp" = "yes" ; then
5507     echo "smbd              $smbd"
5508 fi
5509 echo "module support    $modules"
5510 echo "host CPU          $cpu"
5511 echo "host big endian   $bigendian"
5512 echo "target list       $target_list"
5513 echo "gprof enabled     $gprof"
5514 echo "sparse enabled    $sparse"
5515 echo "strip binaries    $strip_opt"
5516 echo "profiler          $profiler"
5517 echo "static build      $static"
5518 if test "$darwin" = "yes" ; then
5519     echo "Cocoa support     $cocoa"
5520 fi
5521 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5522 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5523 echo "GTK GL support    $gtk_gl"
5524 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5525 echo "TLS priority      $tls_priority"
5526 echo "GNUTLS support    $gnutls"
5527 echo "GNUTLS rnd        $gnutls_rnd"
5528 echo "libgcrypt         $gcrypt"
5529 echo "libgcrypt kdf     $gcrypt_kdf"
5530 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5531 echo "nettle kdf        $nettle_kdf"
5532 echo "libtasn1          $tasn1"
5533 echo "curses support    $curses"
5534 echo "virgl support     $virglrenderer"
5535 echo "curl support      $curl"
5536 echo "mingw32 support   $mingw32"
5537 echo "Audio drivers     $audio_drv_list"
5538 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5539 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5540 echo "VirtFS support    $virtfs"
5541 echo "Multipath support $mpath"
5542 echo "VNC support       $vnc"
5543 if test "$vnc" = "yes" ; then
5544     echo "VNC SASL support  $vnc_sasl"
5545     echo "VNC JPEG support  $vnc_jpeg"
5546     echo "VNC PNG support   $vnc_png"
5547 fi
5548 if test -n "$sparc_cpu"; then
5549     echo "Target Sparc Arch $sparc_cpu"
5550 fi
5551 echo "xen support       $xen"
5552 if test "$xen" = "yes" ; then
5553   echo "xen ctrl version  $xen_ctrl_version"
5554   echo "pv dom build      $xen_pv_domain_build"
5555 fi
5556 echo "brlapi support    $brlapi"
5557 echo "bluez  support    $bluez"
5558 echo "Documentation     $docs"
5559 echo "PIE               $pie"
5560 echo "vde support       $vde"
5561 echo "netmap support    $netmap"
5562 echo "Linux AIO support $linux_aio"
5563 echo "ATTR/XATTR support $attr"
5564 echo "Install blobs     $blobs"
5565 echo "KVM support       $kvm"
5566 echo "HAX support       $hax"
5567 echo "HVF support       $hvf"
5568 echo "TCG support       $tcg"
5569 if test "$tcg" = "yes" ; then
5570     echo "TCG debug enabled $debug_tcg"
5571     echo "TCG interpreter   $tcg_interpreter"
5572 fi
5573 echo "malloc trim support $malloc_trim"
5574 echo "RDMA support      $rdma"
5575 echo "fdt support       $fdt"
5576 echo "preadv support    $preadv"
5577 echo "fdatasync         $fdatasync"
5578 echo "madvise           $madvise"
5579 echo "posix_madvise     $posix_madvise"
5580 echo "libcap-ng support $cap_ng"
5581 echo "vhost-net support $vhost_net"
5582 echo "vhost-scsi support $vhost_scsi"
5583 echo "vhost-vsock support $vhost_vsock"
5584 echo "vhost-user support $vhost_user"
5585 echo "Trace backends    $trace_backends"
5586 if have_backend "simple"; then
5587 echo "Trace output file $trace_file-<pid>"
5588 fi
5589 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5590 echo "rbd support       $rbd"
5591 echo "xfsctl support    $xfs"
5592 echo "smartcard support $smartcard"
5593 echo "libusb            $libusb"
5594 echo "usb net redir     $usb_redir"
5595 echo "OpenGL support    $opengl"
5596 echo "OpenGL dmabufs    $opengl_dmabuf"
5597 echo "libiscsi support  $libiscsi"
5598 echo "libnfs support    $libnfs"
5599 echo "build guest agent $guest_agent"
5600 echo "QGA VSS support   $guest_agent_with_vss"
5601 echo "QGA w32 disk info $guest_agent_ntddscsi"
5602 echo "QGA MSI support   $guest_agent_msi"
5603 echo "seccomp support   $seccomp"
5604 echo "coroutine backend $coroutine"
5605 echo "coroutine pool    $coroutine_pool"
5606 echo "debug stack usage $debug_stack_usage"
5607 echo "crypto afalg      $crypto_afalg"
5608 echo "GlusterFS support $glusterfs"
5609 echo "gcov              $gcov_tool"
5610 echo "gcov enabled      $gcov"
5611 echo "TPM support       $tpm"
5612 echo "libssh2 support   $libssh2"
5613 echo "TPM passthrough   $tpm_passthrough"
5614 echo "TPM emulator      $tpm_emulator"
5615 echo "QOM debugging     $qom_cast_debug"
5616 echo "Live block migration $live_block_migration"
5617 echo "lzo support       $lzo"
5618 echo "snappy support    $snappy"
5619 echo "bzip2 support     $bzip2"
5620 echo "NUMA host support $numa"
5621 echo "tcmalloc support  $tcmalloc"
5622 echo "jemalloc support  $jemalloc"
5623 echo "avx2 optimization $avx2_opt"
5624 echo "replication support $replication"
5625 echo "VxHS block device $vxhs"
5626 echo "capstone          $capstone"
5627
5628 if test "$sdl_too_old" = "yes"; then
5629 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5630 fi
5631
5632 if test "$supported_cpu" = "no"; then
5633     echo
5634     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5635     echo
5636     echo "CPU host architecture $cpu support is not currently maintained."
5637     echo "The QEMU project intends to remove support for this host CPU in"
5638     echo "a future release if nobody volunteers to maintain it and to"
5639     echo "provide a build host for our continuous integration setup."
5640     echo "configure has succeeded and you can continue to build, but"
5641     echo "if you care about QEMU on this platform you should contact"
5642     echo "us upstream at qemu-devel@nongnu.org."
5643 fi
5644
5645 if test "$supported_os" = "no"; then
5646     echo
5647     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5648     echo
5649     echo "Host OS $targetos support is not currently maintained."
5650     echo "The QEMU project intends to remove support for this host OS in"
5651     echo "a future release if nobody volunteers to maintain it and to"
5652     echo "provide a build host for our continuous integration setup."
5653     echo "configure has succeeded and you can continue to build, but"
5654     echo "if you care about QEMU on this platform you should contact"
5655     echo "us upstream at qemu-devel@nongnu.org."
5656 fi
5657
5658 config_host_mak="config-host.mak"
5659
5660 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5661
5662 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5663 echo >> $config_host_mak
5664
5665 echo all: >> $config_host_mak
5666 echo "prefix=$prefix" >> $config_host_mak
5667 echo "bindir=$bindir" >> $config_host_mak
5668 echo "libdir=$libdir" >> $config_host_mak
5669 echo "libexecdir=$libexecdir" >> $config_host_mak
5670 echo "includedir=$includedir" >> $config_host_mak
5671 echo "mandir=$mandir" >> $config_host_mak
5672 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5673 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5674 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5675 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5676 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5677 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5678 if test "$mingw32" = "no" ; then
5679   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5680 fi
5681 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5682 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
5683 echo "extra_cxxflags=$EXTRA_CXXFLAGS" >> $config_host_mak
5684 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
5685 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5686 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5687 echo "GIT=$git" >> $config_host_mak
5688 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5689 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5690
5691 echo "ARCH=$ARCH" >> $config_host_mak
5692
5693 if test "$debug_tcg" = "yes" ; then
5694   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5695 fi
5696 if test "$strip_opt" = "yes" ; then
5697   echo "STRIP=${strip}" >> $config_host_mak
5698 fi
5699 if test "$bigendian" = "yes" ; then
5700   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5701 fi
5702 if test "$mingw32" = "yes" ; then
5703   echo "CONFIG_WIN32=y" >> $config_host_mak
5704   rc_version=$(cat $source_path/VERSION)
5705   version_major=${rc_version%%.*}
5706   rc_version=${rc_version#*.}
5707   version_minor=${rc_version%%.*}
5708   rc_version=${rc_version#*.}
5709   version_subminor=${rc_version%%.*}
5710   version_micro=0
5711   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5712   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5713   if test "$guest_agent_with_vss" = "yes" ; then
5714     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5715     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5716     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5717   fi
5718   if test "$guest_agent_ntddscsi" = "yes" ; then
5719     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5720   fi
5721   if test "$guest_agent_msi" = "yes"; then
5722     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5723     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5724     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5725     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5726     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5727     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5728     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5729   fi
5730 else
5731   echo "CONFIG_POSIX=y" >> $config_host_mak
5732 fi
5733
5734 if test "$linux" = "yes" ; then
5735   echo "CONFIG_LINUX=y" >> $config_host_mak
5736 fi
5737
5738 if test "$darwin" = "yes" ; then
5739   echo "CONFIG_DARWIN=y" >> $config_host_mak
5740 fi
5741
5742 if test "$solaris" = "yes" ; then
5743   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5744 fi
5745 if test "$haiku" = "yes" ; then
5746   echo "CONFIG_HAIKU=y" >> $config_host_mak
5747 fi
5748 if test "$static" = "yes" ; then
5749   echo "CONFIG_STATIC=y" >> $config_host_mak
5750 fi
5751 if test "$profiler" = "yes" ; then
5752   echo "CONFIG_PROFILER=y" >> $config_host_mak
5753 fi
5754 if test "$slirp" = "yes" ; then
5755   echo "CONFIG_SLIRP=y" >> $config_host_mak
5756   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5757 fi
5758 if test "$vde" = "yes" ; then
5759   echo "CONFIG_VDE=y" >> $config_host_mak
5760   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5761 fi
5762 if test "$netmap" = "yes" ; then
5763   echo "CONFIG_NETMAP=y" >> $config_host_mak
5764 fi
5765 if test "$l2tpv3" = "yes" ; then
5766   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5767 fi
5768 if test "$cap_ng" = "yes" ; then
5769   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5770 fi
5771 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5772 for drv in $audio_drv_list; do
5773     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5774     echo "$def=y" >> $config_host_mak
5775 done
5776 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5777 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5778 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5779 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5780 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5781 if test "$audio_pt_int" = "yes" ; then
5782   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5783 fi
5784 if test "$audio_win_int" = "yes" ; then
5785   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5786 fi
5787 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5788 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5789 if test "$vnc" = "yes" ; then
5790   echo "CONFIG_VNC=y" >> $config_host_mak
5791 fi
5792 if test "$vnc_sasl" = "yes" ; then
5793   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5794 fi
5795 if test "$vnc_jpeg" = "yes" ; then
5796   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5797 fi
5798 if test "$vnc_png" = "yes" ; then
5799   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5800 fi
5801 if test "$xkbcommon" = "yes" ; then
5802   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
5803   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
5804 fi
5805 if test "$fnmatch" = "yes" ; then
5806   echo "CONFIG_FNMATCH=y" >> $config_host_mak
5807 fi
5808 if test "$xfs" = "yes" ; then
5809   echo "CONFIG_XFS=y" >> $config_host_mak
5810 fi
5811 qemu_version=$(head $source_path/VERSION)
5812 echo "VERSION=$qemu_version" >>$config_host_mak
5813 echo "PKGVERSION=$pkgversion" >>$config_host_mak
5814 echo "SRC_PATH=$source_path" >> $config_host_mak
5815 echo "TARGET_DIRS=$target_list" >> $config_host_mak
5816 if [ "$docs" = "yes" ] ; then
5817   echo "BUILD_DOCS=yes" >> $config_host_mak
5818 fi
5819 if test "$modules" = "yes"; then
5820   # $shacmd can generate a hash started with digit, which the compiler doesn't
5821   # like as an symbol. So prefix it with an underscore
5822   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5823   echo "CONFIG_MODULES=y" >> $config_host_mak
5824 fi
5825 if test "$sdl" = "yes" ; then
5826   echo "CONFIG_SDL=y" >> $config_host_mak
5827   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5828   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5829   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
5830 fi
5831 if test "$cocoa" = "yes" ; then
5832   echo "CONFIG_COCOA=y" >> $config_host_mak
5833 fi
5834 if test "$curses" = "yes" ; then
5835   echo "CONFIG_CURSES=y" >> $config_host_mak
5836 fi
5837 if test "$pipe2" = "yes" ; then
5838   echo "CONFIG_PIPE2=y" >> $config_host_mak
5839 fi
5840 if test "$accept4" = "yes" ; then
5841   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5842 fi
5843 if test "$splice" = "yes" ; then
5844   echo "CONFIG_SPLICE=y" >> $config_host_mak
5845 fi
5846 if test "$eventfd" = "yes" ; then
5847   echo "CONFIG_EVENTFD=y" >> $config_host_mak
5848 fi
5849 if test "$memfd" = "yes" ; then
5850   echo "CONFIG_MEMFD=y" >> $config_host_mak
5851 fi
5852 if test "$fallocate" = "yes" ; then
5853   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5854 fi
5855 if test "$fallocate_punch_hole" = "yes" ; then
5856   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5857 fi
5858 if test "$fallocate_zero_range" = "yes" ; then
5859   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5860 fi
5861 if test "$posix_fallocate" = "yes" ; then
5862   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5863 fi
5864 if test "$sync_file_range" = "yes" ; then
5865   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5866 fi
5867 if test "$fiemap" = "yes" ; then
5868   echo "CONFIG_FIEMAP=y" >> $config_host_mak
5869 fi
5870 if test "$dup3" = "yes" ; then
5871   echo "CONFIG_DUP3=y" >> $config_host_mak
5872 fi
5873 if test "$ppoll" = "yes" ; then
5874   echo "CONFIG_PPOLL=y" >> $config_host_mak
5875 fi
5876 if test "$prctl_pr_set_timerslack" = "yes" ; then
5877   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5878 fi
5879 if test "$epoll" = "yes" ; then
5880   echo "CONFIG_EPOLL=y" >> $config_host_mak
5881 fi
5882 if test "$epoll_create1" = "yes" ; then
5883   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5884 fi
5885 if test "$sendfile" = "yes" ; then
5886   echo "CONFIG_SENDFILE=y" >> $config_host_mak
5887 fi
5888 if test "$timerfd" = "yes" ; then
5889   echo "CONFIG_TIMERFD=y" >> $config_host_mak
5890 fi
5891 if test "$setns" = "yes" ; then
5892   echo "CONFIG_SETNS=y" >> $config_host_mak
5893 fi
5894 if test "$clock_adjtime" = "yes" ; then
5895   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
5896 fi
5897 if test "$syncfs" = "yes" ; then
5898   echo "CONFIG_SYNCFS=y" >> $config_host_mak
5899 fi
5900 if test "$inotify" = "yes" ; then
5901   echo "CONFIG_INOTIFY=y" >> $config_host_mak
5902 fi
5903 if test "$inotify1" = "yes" ; then
5904   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5905 fi
5906 if test "$sem_timedwait" = "yes" ; then
5907   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
5908 fi
5909 if test "$byteswap_h" = "yes" ; then
5910   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5911 fi
5912 if test "$bswap_h" = "yes" ; then
5913   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5914 fi
5915 if test "$curl" = "yes" ; then
5916   echo "CONFIG_CURL=m" >> $config_host_mak
5917   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5918   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5919 fi
5920 if test "$brlapi" = "yes" ; then
5921   echo "CONFIG_BRLAPI=y" >> $config_host_mak
5922   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
5923 fi
5924 if test "$bluez" = "yes" ; then
5925   echo "CONFIG_BLUEZ=y" >> $config_host_mak
5926   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5927 fi
5928 if test "$glib_subprocess" = "yes" ; then
5929   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5930 fi
5931 if test "$gtk" = "yes" ; then
5932   echo "CONFIG_GTK=y" >> $config_host_mak
5933   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5934   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5935   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5936   if test "$gtk_gl" = "yes" ; then
5937     echo "CONFIG_GTK_GL=y" >> $config_host_mak
5938   fi
5939 fi
5940 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
5941 if test "$gnutls" = "yes" ; then
5942   echo "CONFIG_GNUTLS=y" >> $config_host_mak
5943 fi
5944 if test "$gnutls_rnd" = "yes" ; then
5945   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5946 fi
5947 if test "$gcrypt" = "yes" ; then
5948   echo "CONFIG_GCRYPT=y" >> $config_host_mak
5949   if test "$gcrypt_hmac" = "yes" ; then
5950     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
5951   fi
5952   if test "$gcrypt_kdf" = "yes" ; then
5953     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5954   fi
5955 fi
5956 if test "$nettle" = "yes" ; then
5957   echo "CONFIG_NETTLE=y" >> $config_host_mak
5958   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5959   if test "$nettle_kdf" = "yes" ; then
5960     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5961   fi
5962 fi
5963 if test "$tasn1" = "yes" ; then
5964   echo "CONFIG_TASN1=y" >> $config_host_mak
5965 fi
5966 if test "$have_ifaddrs_h" = "yes" ; then
5967     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5968 fi
5969 if test "$have_broken_size_max" = "yes" ; then
5970     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
5971 fi
5972
5973 # Work around a system header bug with some kernel/XFS header
5974 # versions where they both try to define 'struct fsxattr':
5975 # xfs headers will not try to redefine structs from linux headers
5976 # if this macro is set.
5977 if test "$have_fsxattr" = "yes" ; then
5978     echo "HAVE_FSXATTR=y" >> $config_host_mak
5979 fi
5980 if test "$vte" = "yes" ; then
5981   echo "CONFIG_VTE=y" >> $config_host_mak
5982   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5983 fi
5984 if test "$virglrenderer" = "yes" ; then
5985   echo "CONFIG_VIRGL=y" >> $config_host_mak
5986   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5987   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5988 fi
5989 if test "$xen" = "yes" ; then
5990   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5991   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5992   if test "$xen_pv_domain_build" = "yes" ; then
5993     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5994   fi
5995 fi
5996 if test "$linux_aio" = "yes" ; then
5997   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5998 fi
5999 if test "$attr" = "yes" ; then
6000   echo "CONFIG_ATTR=y" >> $config_host_mak
6001 fi
6002 if test "$libattr" = "yes" ; then
6003   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6004 fi
6005 if test "$virtfs" = "yes" ; then
6006   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6007 fi
6008 if test "$mpath" = "yes" ; then
6009   echo "CONFIG_MPATH=y" >> $config_host_mak
6010 fi
6011 if test "$vhost_scsi" = "yes" ; then
6012   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6013 fi
6014 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6015   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6016 fi
6017 if test "$vhost_vsock" = "yes" ; then
6018   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6019 fi
6020 if test "$vhost_user" = "yes" ; then
6021   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6022 fi
6023 if test "$blobs" = "yes" ; then
6024   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6025 fi
6026 if test "$iovec" = "yes" ; then
6027   echo "CONFIG_IOVEC=y" >> $config_host_mak
6028 fi
6029 if test "$preadv" = "yes" ; then
6030   echo "CONFIG_PREADV=y" >> $config_host_mak
6031 fi
6032 if test "$fdt" = "yes" ; then
6033   echo "CONFIG_FDT=y" >> $config_host_mak
6034 fi
6035 if test "$signalfd" = "yes" ; then
6036   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6037 fi
6038 if test "$tcg" = "yes"; then
6039   echo "CONFIG_TCG=y" >> $config_host_mak
6040   if test "$tcg_interpreter" = "yes" ; then
6041     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6042   fi
6043 fi
6044 if test "$fdatasync" = "yes" ; then
6045   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6046 fi
6047 if test "$madvise" = "yes" ; then
6048   echo "CONFIG_MADVISE=y" >> $config_host_mak
6049 fi
6050 if test "$posix_madvise" = "yes" ; then
6051   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6052 fi
6053
6054 if test "$spice" = "yes" ; then
6055   echo "CONFIG_SPICE=y" >> $config_host_mak
6056 fi
6057
6058 if test "$smartcard" = "yes" ; then
6059   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6060   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6061   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6062 fi
6063
6064 if test "$libusb" = "yes" ; then
6065   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6066   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6067   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6068 fi
6069
6070 if test "$usb_redir" = "yes" ; then
6071   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6072   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6073   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6074 fi
6075
6076 if test "$opengl" = "yes" ; then
6077   echo "CONFIG_OPENGL=y" >> $config_host_mak
6078   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6079   if test "$opengl_dmabuf" = "yes" ; then
6080     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6081   fi
6082 fi
6083
6084 if test "$malloc_trim" = "yes" ; then
6085   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6086 fi
6087
6088 if test "$avx2_opt" = "yes" ; then
6089   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6090 fi
6091
6092 if test "$lzo" = "yes" ; then
6093   echo "CONFIG_LZO=y" >> $config_host_mak
6094 fi
6095
6096 if test "$snappy" = "yes" ; then
6097   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6098 fi
6099
6100 if test "$bzip2" = "yes" ; then
6101   echo "CONFIG_BZIP2=y" >> $config_host_mak
6102   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6103 fi
6104
6105 if test "$libiscsi" = "yes" ; then
6106   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6107   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6108   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6109 fi
6110
6111 if test "$libnfs" = "yes" ; then
6112   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6113   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6114 fi
6115
6116 if test "$seccomp" = "yes"; then
6117   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6118   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6119   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6120 fi
6121
6122 # XXX: suppress that
6123 if [ "$bsd" = "yes" ] ; then
6124   echo "CONFIG_BSD=y" >> $config_host_mak
6125 fi
6126
6127 if test "$localtime_r" = "yes" ; then
6128   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6129 fi
6130 if test "$qom_cast_debug" = "yes" ; then
6131   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6132 fi
6133 if test "$rbd" = "yes" ; then
6134   echo "CONFIG_RBD=m" >> $config_host_mak
6135   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6136   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6137 fi
6138
6139 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6140 if test "$coroutine_pool" = "yes" ; then
6141   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6142 else
6143   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6144 fi
6145
6146 if test "$debug_stack_usage" = "yes" ; then
6147   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6148 fi
6149
6150 if test "$crypto_afalg" = "yes" ; then
6151   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6152 fi
6153
6154 if test "$open_by_handle_at" = "yes" ; then
6155   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6156 fi
6157
6158 if test "$linux_magic_h" = "yes" ; then
6159   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6160 fi
6161
6162 if test "$pragma_diagnostic_available" = "yes" ; then
6163   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6164 fi
6165
6166 if test "$valgrind_h" = "yes" ; then
6167   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6168 fi
6169
6170 if test "$has_environ" = "yes" ; then
6171   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6172 fi
6173
6174 if test "$cpuid_h" = "yes" ; then
6175   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6176 fi
6177
6178 if test "$int128" = "yes" ; then
6179   echo "CONFIG_INT128=y" >> $config_host_mak
6180 fi
6181
6182 if test "$atomic128" = "yes" ; then
6183   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6184 fi
6185
6186 if test "$atomic64" = "yes" ; then
6187   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6188 fi
6189
6190 if test "$getauxval" = "yes" ; then
6191   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6192 fi
6193
6194 if test "$glusterfs" = "yes" ; then
6195   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6196   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6197   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6198 fi
6199
6200 if test "$glusterfs_xlator_opt" = "yes" ; then
6201   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6202 fi
6203
6204 if test "$glusterfs_discard" = "yes" ; then
6205   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6206 fi
6207
6208 if test "$glusterfs_fallocate" = "yes" ; then
6209   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6210 fi
6211
6212 if test "$glusterfs_zerofill" = "yes" ; then
6213   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6214 fi
6215
6216 if test "$libssh2" = "yes" ; then
6217   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6218   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6219   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6220 fi
6221
6222 if test "$live_block_migration" = "yes" ; then
6223   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6224 fi
6225
6226 if test "$tpm" = "yes"; then
6227   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6228   # TPM passthrough support?
6229   if test "$tpm_passthrough" = "yes"; then
6230     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6231   fi
6232   # TPM emulator support?
6233   if test "$tpm_emulator" = "yes"; then
6234     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6235   fi
6236 fi
6237
6238 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6239 if have_backend "nop"; then
6240   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6241 fi
6242 if have_backend "simple"; then
6243   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6244   # Set the appropriate trace file.
6245   trace_file="\"$trace_file-\" FMT_pid"
6246 fi
6247 if have_backend "log"; then
6248   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6249 fi
6250 if have_backend "ust"; then
6251   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6252 fi
6253 if have_backend "dtrace"; then
6254   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6255   if test "$trace_backend_stap" = "yes" ; then
6256     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6257   fi
6258 fi
6259 if have_backend "ftrace"; then
6260   if test "$linux" = "yes" ; then
6261     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6262   else
6263     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6264   fi
6265 fi
6266 if have_backend "syslog"; then
6267   if test "$posix_syslog" = "yes" ; then
6268     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6269   else
6270     feature_not_found "syslog(trace backend)" "syslog not available"
6271   fi
6272 fi
6273 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6274
6275 if test "$rdma" = "yes" ; then
6276   echo "CONFIG_RDMA=y" >> $config_host_mak
6277   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6278 fi
6279
6280 if test "$have_rtnetlink" = "yes" ; then
6281   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6282 fi
6283
6284 if test "$replication" = "yes" ; then
6285   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6286 fi
6287
6288 if test "$have_af_vsock" = "yes" ; then
6289   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6290 fi
6291
6292 if test "$have_sysmacros" = "yes" ; then
6293   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6294 fi
6295
6296 if test "$have_static_assert" = "yes" ; then
6297   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6298 fi
6299
6300 if test "$have_utmpx" = "yes" ; then
6301   echo "HAVE_UTMPX=y" >> $config_host_mak
6302 fi
6303
6304 if test "$ivshmem" = "yes" ; then
6305   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6306 fi
6307 if test "$capstone" != "no" ; then
6308   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6309 fi
6310
6311 # Hold two types of flag:
6312 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6313 #                                     a thread we have a handle to
6314 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6315 #                                     platform
6316 if test "$pthread_setname_np" = "yes" ; then
6317   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6318   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6319 fi
6320
6321 if test "$vxhs" = "yes" ; then
6322   echo "CONFIG_VXHS=y" >> $config_host_mak
6323   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6324 fi
6325
6326 if test "$tcg_interpreter" = "yes"; then
6327   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6328 elif test "$ARCH" = "sparc64" ; then
6329   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6330 elif test "$ARCH" = "s390x" ; then
6331   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6332 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6333   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6334 elif test "$ARCH" = "ppc64" ; then
6335   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6336 else
6337   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6338 fi
6339 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6340
6341 echo "TOOLS=$tools" >> $config_host_mak
6342 echo "ROMS=$roms" >> $config_host_mak
6343 echo "MAKE=$make" >> $config_host_mak
6344 echo "INSTALL=$install" >> $config_host_mak
6345 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6346 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6347 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6348 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6349 echo "PYTHON=$python" >> $config_host_mak
6350 echo "CC=$cc" >> $config_host_mak
6351 if $iasl -h > /dev/null 2>&1; then
6352   echo "IASL=$iasl" >> $config_host_mak
6353 fi
6354 echo "CC_I386=$cc_i386" >> $config_host_mak
6355 echo "HOST_CC=$host_cc" >> $config_host_mak
6356 echo "CXX=$cxx" >> $config_host_mak
6357 echo "OBJCC=$objcc" >> $config_host_mak
6358 echo "AR=$ar" >> $config_host_mak
6359 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6360 echo "AS=$as" >> $config_host_mak
6361 echo "CCAS=$ccas" >> $config_host_mak
6362 echo "CPP=$cpp" >> $config_host_mak
6363 echo "OBJCOPY=$objcopy" >> $config_host_mak
6364 echo "LD=$ld" >> $config_host_mak
6365 echo "RANLIB=$ranlib" >> $config_host_mak
6366 echo "NM=$nm" >> $config_host_mak
6367 echo "WINDRES=$windres" >> $config_host_mak
6368 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6369 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6370 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6371 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6372 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6373 if test "$sparse" = "yes" ; then
6374   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6375   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6376   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6377   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6378   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6379 fi
6380 if test "$cross_prefix" != ""; then
6381   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6382 else
6383   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6384 fi
6385 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6386 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6387 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6388 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6389 echo "LIBS+=$LIBS" >> $config_host_mak
6390 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6391 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6392 echo "EXESUF=$EXESUF" >> $config_host_mak
6393 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6394 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6395 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6396 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6397 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6398 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6399 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6400 if test "$gcov" = "yes" ; then
6401   echo "CONFIG_GCOV=y" >> $config_host_mak
6402   echo "GCOV=$gcov_tool" >> $config_host_mak
6403 fi
6404
6405 # use included Linux headers
6406 if test "$linux" = "yes" ; then
6407   mkdir -p linux-headers
6408   case "$cpu" in
6409   i386|x86_64|x32)
6410     linux_arch=x86
6411     ;;
6412   ppcemb|ppc|ppc64)
6413     linux_arch=powerpc
6414     ;;
6415   s390x)
6416     linux_arch=s390
6417     ;;
6418   aarch64)
6419     linux_arch=arm64
6420     ;;
6421   mips64)
6422     linux_arch=mips
6423     ;;
6424   *)
6425     # For most CPUs the kernel architecture name and QEMU CPU name match.
6426     linux_arch="$cpu"
6427     ;;
6428   esac
6429     # For non-KVM architectures we will not have asm headers
6430     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6431       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6432     fi
6433 fi
6434
6435 for target in $target_list; do
6436 target_dir="$target"
6437 config_target_mak=$target_dir/config-target.mak
6438 target_name=$(echo $target | cut -d '-' -f 1)
6439 target_bigendian="no"
6440
6441 case "$target_name" in
6442   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6443   target_bigendian=yes
6444   ;;
6445 esac
6446 target_softmmu="no"
6447 target_user_only="no"
6448 target_linux_user="no"
6449 target_bsd_user="no"
6450 case "$target" in
6451   ${target_name}-softmmu)
6452     target_softmmu="yes"
6453     ;;
6454   ${target_name}-linux-user)
6455     target_user_only="yes"
6456     target_linux_user="yes"
6457     ;;
6458   ${target_name}-bsd-user)
6459     target_user_only="yes"
6460     target_bsd_user="yes"
6461     ;;
6462   *)
6463     error_exit "Target '$target' not recognised"
6464     exit 1
6465     ;;
6466 esac
6467
6468 mkdir -p $target_dir
6469 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6470
6471 bflt="no"
6472 mttcg="no"
6473 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6474 gdb_xml_files=""
6475
6476 TARGET_ARCH="$target_name"
6477 TARGET_BASE_ARCH=""
6478 TARGET_ABI_DIR=""
6479
6480 case "$target_name" in
6481   i386)
6482     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6483   ;;
6484   x86_64)
6485     TARGET_BASE_ARCH=i386
6486     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6487   ;;
6488   alpha)
6489     mttcg="yes"
6490   ;;
6491   arm|armeb)
6492     TARGET_ARCH=arm
6493     bflt="yes"
6494     mttcg="yes"
6495     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6496   ;;
6497   aarch64|aarch64_be)
6498     TARGET_ARCH=aarch64
6499     TARGET_BASE_ARCH=arm
6500     bflt="yes"
6501     mttcg="yes"
6502     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6503   ;;
6504   cris)
6505   ;;
6506   hppa)
6507   ;;
6508   lm32)
6509   ;;
6510   m68k)
6511     bflt="yes"
6512     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6513   ;;
6514   microblaze|microblazeel)
6515     TARGET_ARCH=microblaze
6516     bflt="yes"
6517   ;;
6518   mips|mipsel)
6519     TARGET_ARCH=mips
6520     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6521   ;;
6522   mipsn32|mipsn32el)
6523     TARGET_ARCH=mips64
6524     TARGET_BASE_ARCH=mips
6525     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6526     echo "TARGET_ABI32=y" >> $config_target_mak
6527   ;;
6528   mips64|mips64el)
6529     TARGET_ARCH=mips64
6530     TARGET_BASE_ARCH=mips
6531     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6532   ;;
6533   moxie)
6534   ;;
6535   nios2)
6536   ;;
6537   or1k)
6538     TARGET_ARCH=openrisc
6539     TARGET_BASE_ARCH=openrisc
6540   ;;
6541   ppc)
6542     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6543   ;;
6544   ppcemb)
6545     TARGET_BASE_ARCH=ppc
6546     TARGET_ABI_DIR=ppc
6547     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6548   ;;
6549   ppc64)
6550     TARGET_BASE_ARCH=ppc
6551     TARGET_ABI_DIR=ppc
6552     mttcg=yes
6553     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6554   ;;
6555   ppc64le)
6556     TARGET_ARCH=ppc64
6557     TARGET_BASE_ARCH=ppc
6558     TARGET_ABI_DIR=ppc
6559     mttcg=yes
6560     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6561   ;;
6562   ppc64abi32)
6563     TARGET_ARCH=ppc64
6564     TARGET_BASE_ARCH=ppc
6565     TARGET_ABI_DIR=ppc
6566     echo "TARGET_ABI32=y" >> $config_target_mak
6567     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6568   ;;
6569   sh4|sh4eb)
6570     TARGET_ARCH=sh4
6571     bflt="yes"
6572   ;;
6573   sparc)
6574   ;;
6575   sparc64)
6576     TARGET_BASE_ARCH=sparc
6577   ;;
6578   sparc32plus)
6579     TARGET_ARCH=sparc64
6580     TARGET_BASE_ARCH=sparc
6581     TARGET_ABI_DIR=sparc
6582     echo "TARGET_ABI32=y" >> $config_target_mak
6583   ;;
6584   s390x)
6585     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6586   ;;
6587   tilegx)
6588   ;;
6589   tricore)
6590   ;;
6591   unicore32)
6592   ;;
6593   xtensa|xtensaeb)
6594     TARGET_ARCH=xtensa
6595   ;;
6596   *)
6597     error_exit "Unsupported target CPU"
6598   ;;
6599 esac
6600 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6601 if [ "$TARGET_BASE_ARCH" = "" ]; then
6602   TARGET_BASE_ARCH=$TARGET_ARCH
6603 fi
6604
6605 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6606
6607 upper() {
6608     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6609 }
6610
6611 target_arch_name="$(upper $TARGET_ARCH)"
6612 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6613 echo "TARGET_NAME=$target_name" >> $config_target_mak
6614 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6615 if [ "$TARGET_ABI_DIR" = "" ]; then
6616   TARGET_ABI_DIR=$TARGET_ARCH
6617 fi
6618 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6619 if [ "$HOST_VARIANT_DIR" != "" ]; then
6620     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6621 fi
6622
6623 if supported_xen_target $target; then
6624     echo "CONFIG_XEN=y" >> $config_target_mak
6625     if test "$xen_pci_passthrough" = yes; then
6626         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6627     fi
6628 fi
6629 if supported_kvm_target $target; then
6630     echo "CONFIG_KVM=y" >> $config_target_mak
6631     if test "$vhost_net" = "yes" ; then
6632         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6633         if test "$vhost_user" = "yes" ; then
6634             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6635         fi
6636     fi
6637 fi
6638 if supported_hax_target $target; then
6639     echo "CONFIG_HAX=y" >> $config_target_mak
6640 fi
6641 if supported_hvf_target $target; then
6642     echo "CONFIG_HVF=y" >> $config_target_mak
6643 fi
6644 if test "$target_bigendian" = "yes" ; then
6645   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6646 fi
6647 if test "$target_softmmu" = "yes" ; then
6648   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6649   if test "$mttcg" = "yes" ; then
6650     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6651   fi
6652 fi
6653 if test "$target_user_only" = "yes" ; then
6654   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6655   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6656 fi
6657 if test "$target_linux_user" = "yes" ; then
6658   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6659 fi
6660 list=""
6661 if test ! -z "$gdb_xml_files" ; then
6662   for x in $gdb_xml_files; do
6663     list="$list $source_path/gdb-xml/$x"
6664   done
6665   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6666 fi
6667
6668 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6669   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6670 fi
6671 if test "$target_bsd_user" = "yes" ; then
6672   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6673 fi
6674
6675 # generate QEMU_CFLAGS/LDFLAGS for targets
6676
6677 cflags=""
6678 ldflags=""
6679
6680 disas_config() {
6681   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6682   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6683 }
6684
6685 for i in $ARCH $TARGET_BASE_ARCH ; do
6686   case "$i" in
6687   alpha)
6688     disas_config "ALPHA"
6689   ;;
6690   aarch64)
6691     if test -n "${cxx}"; then
6692       disas_config "ARM_A64"
6693     fi
6694   ;;
6695   arm)
6696     disas_config "ARM"
6697     if test -n "${cxx}"; then
6698       disas_config "ARM_A64"
6699     fi
6700   ;;
6701   cris)
6702     disas_config "CRIS"
6703   ;;
6704   hppa)
6705     disas_config "HPPA"
6706   ;;
6707   i386|x86_64|x32)
6708     disas_config "I386"
6709   ;;
6710   lm32)
6711     disas_config "LM32"
6712   ;;
6713   m68k)
6714     disas_config "M68K"
6715   ;;
6716   microblaze*)
6717     disas_config "MICROBLAZE"
6718   ;;
6719   mips*)
6720     disas_config "MIPS"
6721   ;;
6722   moxie*)
6723     disas_config "MOXIE"
6724   ;;
6725   nios2)
6726     disas_config "NIOS2"
6727   ;;
6728   or1k)
6729     disas_config "OPENRISC"
6730   ;;
6731   ppc*)
6732     disas_config "PPC"
6733   ;;
6734   s390*)
6735     disas_config "S390"
6736   ;;
6737   sh4)
6738     disas_config "SH4"
6739   ;;
6740   sparc*)
6741     disas_config "SPARC"
6742   ;;
6743   xtensa*)
6744     disas_config "XTENSA"
6745   ;;
6746   esac
6747 done
6748 if test "$tcg_interpreter" = "yes" ; then
6749   disas_config "TCI"
6750 fi
6751
6752 case "$ARCH" in
6753 alpha)
6754   # Ensure there's only a single GP
6755   cflags="-msmall-data $cflags"
6756 ;;
6757 esac
6758
6759 if test "$gprof" = "yes" ; then
6760   echo "TARGET_GPROF=yes" >> $config_target_mak
6761   if test "$target_linux_user" = "yes" ; then
6762     cflags="-p $cflags"
6763     ldflags="-p $ldflags"
6764   fi
6765   if test "$target_softmmu" = "yes" ; then
6766     ldflags="-p $ldflags"
6767     echo "GPROF_CFLAGS=-p" >> $config_target_mak
6768   fi
6769 fi
6770
6771 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
6772   ldflags="$ldflags $textseg_ldflags"
6773 fi
6774
6775 # Newer kernels on s390 check for an S390_PGSTE program header and
6776 # enable the pgste page table extensions in that case. This makes
6777 # the vm.allocate_pgste sysctl unnecessary. We enable this program
6778 # header if
6779 #  - we build on s390x
6780 #  - we build the system emulation for s390x (qemu-system-s390x)
6781 #  - KVM is enabled
6782 #  - the linker supports --s390-pgste
6783 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
6784     if ld_has --s390-pgste ; then
6785         ldflags="-Wl,--s390-pgste $ldflags"
6786     fi
6787 fi
6788
6789 echo "LDFLAGS+=$ldflags" >> $config_target_mak
6790 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
6791
6792 done # for target in $targets
6793
6794 if [ "$dtc_internal" = "yes" ]; then
6795   echo "config-host.h: subdir-dtc" >> $config_host_mak
6796 fi
6797 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
6798   echo "config-host.h: subdir-capstone" >> $config_host_mak
6799 fi
6800 if test -n "$LIBCAPSTONE"; then
6801   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
6802 fi
6803
6804 if test "$numa" = "yes"; then
6805   echo "CONFIG_NUMA=y" >> $config_host_mak
6806 fi
6807
6808 if test "$ccache_cpp2" = "yes"; then
6809   echo "export CCACHE_CPP2=y" >> $config_host_mak
6810 fi
6811
6812 # build tree in object directory in case the source is not in the current directory
6813 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
6814 DIRS="$DIRS docs docs/interop fsdev scsi"
6815 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
6816 DIRS="$DIRS roms/seabios roms/vgabios"
6817 DIRS="$DIRS qapi-generated"
6818 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
6819 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
6820 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
6821 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
6822 FILES="$FILES pc-bios/spapr-rtas/Makefile"
6823 FILES="$FILES pc-bios/s390-ccw/Makefile"
6824 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
6825 FILES="$FILES pc-bios/qemu-icon.bmp"
6826 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
6827 for bios_file in \
6828     $source_path/pc-bios/*.bin \
6829     $source_path/pc-bios/*.lid \
6830     $source_path/pc-bios/*.aml \
6831     $source_path/pc-bios/*.rom \
6832     $source_path/pc-bios/*.dtb \
6833     $source_path/pc-bios/*.img \
6834     $source_path/pc-bios/openbios-* \
6835     $source_path/pc-bios/u-boot.* \
6836     $source_path/pc-bios/palcode-*
6837 do
6838     FILES="$FILES pc-bios/$(basename $bios_file)"
6839 done
6840 for test_file in $(find $source_path/tests/acpi-test-data -type f)
6841 do
6842     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
6843 done
6844 mkdir -p $DIRS
6845 for f in $FILES ; do
6846     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
6847         symlink "$source_path/$f" "$f"
6848     fi
6849 done
6850
6851 # temporary config to build submodules
6852 for rom in seabios vgabios ; do
6853     config_mak=roms/$rom/config.mak
6854     echo "# Automatically generated by configure - do not modify" > $config_mak
6855     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6856     echo "AS=$as" >> $config_mak
6857     echo "CCAS=$ccas" >> $config_mak
6858     echo "CC=$cc" >> $config_mak
6859     echo "BCC=bcc" >> $config_mak
6860     echo "CPP=$cpp" >> $config_mak
6861     echo "OBJCOPY=objcopy" >> $config_mak
6862     echo "IASL=$iasl" >> $config_mak
6863     echo "LD=$ld" >> $config_mak
6864     echo "RANLIB=$ranlib" >> $config_mak
6865 done
6866
6867 # set up tests data directory
6868 if [ ! -e tests/data ]; then
6869     symlink "$source_path/tests/data" tests/data
6870 fi
6871
6872 # set up qemu-iotests in this build directory
6873 iotests_common_env="tests/qemu-iotests/common.env"
6874 iotests_check="tests/qemu-iotests/check"
6875
6876 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6877 echo >> "$iotests_common_env"
6878 echo "export PYTHON='$python'" >> "$iotests_common_env"
6879
6880 if [ ! -e "$iotests_check" ]; then
6881     symlink "$source_path/$iotests_check" "$iotests_check"
6882 fi
6883
6884 # Save the configure command line for later reuse.
6885 cat <<EOD >config.status
6886 #!/bin/sh
6887 # Generated by configure.
6888 # Run this file to recreate the current configuration.
6889 # Compiler output produced by configure, useful for debugging
6890 # configure, is in config.log if it exists.
6891 EOD
6892 printf "exec" >>config.status
6893 printf " '%s'" "$0" "$@" >>config.status
6894 echo ' "$@"' >>config.status
6895 chmod +x config.status
6896
6897 rm -r "$TMPDIR1"