configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     echo $compiler "$@" >> config.log
  64     $compiler "$@" >> config.log 2>&1 || return $?
  65     # Test passed. If this is an --enable-werror build, rerun
  66     # the test with -Werror and bail out if it fails. This
  67     # makes warning-generating-errors in configure test code
  68     # obvious to developers.
  69     if test "$werror" != "yes"; then
  70         return 0
  71     fi
  72     # Don't bother rerunning the compile if we were already using -Werror
  73     case "$*" in
  74         *-Werror*)
  75            return 0
  76         ;;
  77     esac
  78     echo $compiler -Werror "$@" >> config.log
  79     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  80     error_exit "configure test passed without -Werror but failed with -Werror." \
  81         "This is probably a bug in the configure script. The failing command" \
  82         "will be at the bottom of config.log." \
  83         "You can run configure with --disable-werror to bypass this check."
  84 }
  85
  86 do_cc() {
  87     do_compiler "$cc" "$@"
  88 }
  89
  90 do_cxx() {
  91     do_compiler "$cxx" "$@"
  92 }
  93
  94 update_cxxflags() {
  95     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  96     # options which some versions of GCC's C++ compiler complain about
  97     # because they only make sense for C programs.
  98     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
  99
 100     for arg in $QEMU_CFLAGS; do
 101         case $arg in
 102             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 103             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 104                 ;;
 105             *)
 106                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 107                 ;;
 108         esac
 109     done
 110 }
 111
 112 compile_object() {
 113   local_cflags="$1"
 114   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 115 }
 116
 117 compile_prog() {
 118   local_cflags="$1"
 119   local_ldflags="$2"
 120   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 121 }
 122
 123 # symbolically link $1 to $2.  Portable version of "ln -sf".
 124 symlink() {
 125   rm -rf "$2"
 126   mkdir -p "$(dirname "$2")"
 127   ln -s "$1" "$2"
 128 }
 129
 130 # check whether a command is available to this shell (may be either an
 131 # executable or a builtin)
 132 has() {
 133     type "$1" >/dev/null 2>&1
 134 }
 135
 136 # search for an executable in PATH
 137 path_of() {
 138     local_command="$1"
 139     local_ifs="$IFS"
 140     local_dir=""
 141
 142     # pathname has a dir component?
 143     if [ "${local_command#*/}" != "$local_command" ]; then
 144         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 145             echo "$local_command"
 146             return 0
 147         fi
 148     fi
 149     if [ -z "$local_command" ]; then
 150         return 1
 151     fi
 152
 153     IFS=:
 154     for local_dir in $PATH; do
 155         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 156             echo "$local_dir/$local_command"
 157             IFS="${local_ifs:-$(printf ' \t\n')}"
 158             return 0
 159         fi
 160     done
 161     # not found
 162     IFS="${local_ifs:-$(printf ' \t\n')}"
 163     return 1
 164 }
 165
 166 have_backend () {
 167     echo "$trace_backends" | grep "$1" >/dev/null
 168 }
 169
 170 glob() {
 171     eval test -z '"${1#'"$2"'}"'
 172 }
 173
 174 supported_hax_target() {
 175     test "$hax" = "yes" || return 1
 176     glob "$1" "*-softmmu" || return 1
 177     case "${1%-softmmu}" in
 178         i386|x86_64)
 179             return 0
 180         ;;
 181     esac
 182     return 1
 183 }
 184
 185 supported_kvm_target() {
 186     test "$kvm" = "yes" || return 1
 187     glob "$1" "*-softmmu" || return 1
 188     case "${1%-softmmu}:$cpu" in
 189         arm:arm | aarch64:aarch64 | \
 190         i386:i386 | i386:x86_64 | i386:x32 | \
 191         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 192         mips:mips | mipsel:mips | \
 193         ppc:ppc | ppcemb:ppc | ppc64:ppc | \
 194         ppc:ppc64 | ppcemb:ppc64 | ppc64:ppc64 | \
 195         s390x:s390x)
 196             return 0
 197         ;;
 198     esac
 199     return 1
 200 }
 201
 202 supported_xen_target() {
 203     test "$xen" = "yes" || return 1
 204     glob "$1" "*-softmmu" || return 1
 205     # Only i386 and x86_64 provide the xenpv machine.
 206     case "${1%-softmmu}" in
 207         i386|x86_64)
 208             return 0
 209         ;;
 210     esac
 211     return 1
 212 }
 213
 214 supported_hvf_target() {
 215     test "$hvf" = "yes" || return 1
 216     glob "$1" "*-softmmu" || return 1
 217     case "${1%-softmmu}" in
 218         x86_64)
 219             return 0
 220         ;;
 221     esac
 222     return 1
 223 }
 224
 225 supported_whpx_target() {
 226     test "$whpx" = "yes" || return 1
 227     glob "$1" "*-softmmu" || return 1
 228     case "${1%-softmmu}" in
 229         i386|x86_64)
 230             return 0
 231         ;;
 232     esac
 233     return 1
 234 }
 235
 236 supported_target() {
 237     case "$1" in
 238         *-softmmu)
 239             ;;
 240         *-linux-user)
 241             if test "$linux" != "yes"; then
 242                 print_error "Target '$target' is only available on a Linux host"
 243                 return 1
 244             fi
 245             ;;
 246         *-bsd-user)
 247             if test "$bsd" != "yes"; then
 248                 print_error "Target '$target' is only available on a BSD host"
 249                 return 1
 250             fi
 251             ;;
 252         *)
 253             print_error "Invalid target name '$target'"
 254             return 1
 255             ;;
 256     esac
 257     test "$tcg" = "yes" && return 0
 258     supported_kvm_target "$1" && return 0
 259     supported_xen_target "$1" && return 0
 260     supported_hax_target "$1" && return 0
 261     supported_hvf_target "$1" && return 0
 262     supported_whpx_target "$1" && return 0
 263     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 264     return 1
 265 }
 266
 267
 268 ld_has() {
 269     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 270 }
 271
 272 # default parameters
 273 source_path=$(dirname "$0")
 274 cpu=""
 275 iasl="iasl"
 276 interp_prefix="/usr/gnemul/qemu-%M"
 277 static="no"
 278 cross_prefix=""
 279 audio_drv_list=""
 280 block_drv_rw_whitelist=""
 281 block_drv_ro_whitelist=""
 282 host_cc="cc"
 283 libs_softmmu=""
 284 libs_tools=""
 285 audio_pt_int=""
 286 audio_win_int=""
 287 cc_i386=i386-pc-linux-gnu-gcc
 288 libs_qga=""
 289 debug_info="yes"
 290 stack_protector=""
 291
 292 if test -e "$source_path/.git"
 293 then
 294     git_update=yes
 295     git_submodules="ui/keycodemapdb"
 296 else
 297     git_update=no
 298     git_submodules=""
 299 fi
 300 git="git"
 301
 302 # Don't accept a target_list environment variable.
 303 unset target_list
 304
 305 # Default value for a variable defining feature "foo".
 306 #  * foo="no"  feature will only be used if --enable-foo arg is given
 307 #  * foo=""    feature will be searched for, and if found, will be used
 308 #              unless --disable-foo is given
 309 #  * foo="yes" this value will only be set by --enable-foo flag.
 310 #              feature will searched for,
 311 #              if not found, configure exits with error
 312 #
 313 # Always add --enable-foo and --disable-foo command line args.
 314 # Distributions want to ensure that several features are compiled in, and it
 315 # is impossible without a --enable-foo that exits if a feature is not found.
 316
 317 bluez=""
 318 brlapi=""
 319 curl=""
 320 curses=""
 321 docs=""
 322 fdt=""
 323 netmap="no"
 324 sdl=""
 325 sdlabi=""
 326 virtfs=""
 327 mpath=""
 328 vnc="yes"
 329 sparse="no"
 330 vde=""
 331 vnc_sasl=""
 332 vnc_jpeg=""
 333 vnc_png=""
 334 xkbcommon=""
 335 xen=""
 336 xen_ctrl_version=""
 337 xen_pv_domain_build="no"
 338 xen_pci_passthrough=""
 339 linux_aio=""
 340 cap_ng=""
 341 attr=""
 342 libattr=""
 343 xfs=""
 344 tcg="yes"
 345
 346 vhost_net="no"
 347 vhost_crypto="no"
 348 vhost_scsi="no"
 349 vhost_vsock="no"
 350 vhost_user=""
 351 kvm="no"
 352 hax="no"
 353 hvf="no"
 354 whpx="no"
 355 rdma=""
 356 gprof="no"
 357 debug_tcg="no"
 358 debug="no"
 359 sanitizers="no"
 360 fortify_source=""
 361 strip_opt="yes"
 362 tcg_interpreter="no"
 363 bigendian="no"
 364 mingw32="no"
 365 gcov="no"
 366 gcov_tool="gcov"
 367 EXESUF=""
 368 DSOSUF=".so"
 369 LDFLAGS_SHARED="-shared"
 370 modules="no"
 371 prefix="/usr/local"
 372 mandir="\${prefix}/share/man"
 373 datadir="\${prefix}/share"
 374 firmwarepath="\${prefix}/share/qemu-firmware"
 375 qemu_docdir="\${prefix}/share/doc/qemu"
 376 bindir="\${prefix}/bin"
 377 libdir="\${prefix}/lib"
 378 libexecdir="\${prefix}/libexec"
 379 includedir="\${prefix}/include"
 380 sysconfdir="\${prefix}/etc"
 381 local_statedir="\${prefix}/var"
 382 confsuffix="/qemu"
 383 slirp="yes"
 384 oss_lib=""
 385 bsd="no"
 386 linux="no"
 387 solaris="no"
 388 profiler="no"
 389 cocoa="no"
 390 softmmu="yes"
 391 linux_user="no"
 392 bsd_user="no"
 393 blobs="yes"
 394 pkgversion=""
 395 pie=""
 396 qom_cast_debug="yes"
 397 trace_backends="log"
 398 trace_file="trace"
 399 spice=""
 400 rbd=""
 401 smartcard=""
 402 libusb=""
 403 usb_redir=""
 404 opengl=""
 405 opengl_dmabuf="no"
 406 cpuid_h="no"
 407 avx2_opt="no"
 408 zlib="yes"
 409 capstone=""
 410 lzo=""
 411 snappy=""
 412 bzip2=""
 413 guest_agent=""
 414 guest_agent_with_vss="no"
 415 guest_agent_ntddscsi="no"
 416 guest_agent_msi=""
 417 vss_win32_sdk=""
 418 win_sdk="no"
 419 want_tools="yes"
 420 libiscsi=""
 421 libnfs=""
 422 coroutine=""
 423 coroutine_pool=""
 424 debug_stack_usage="no"
 425 crypto_afalg="no"
 426 seccomp=""
 427 glusterfs=""
 428 glusterfs_xlator_opt="no"
 429 glusterfs_discard="no"
 430 glusterfs_fallocate="no"
 431 glusterfs_zerofill="no"
 432 gtk=""
 433 gtkabi=""
 434 gtk_gl="no"
 435 tls_priority="NORMAL"
 436 gnutls=""
 437 gnutls_rnd=""
 438 nettle=""
 439 nettle_kdf="no"
 440 gcrypt=""
 441 gcrypt_hmac="no"
 442 gcrypt_kdf="no"
 443 vte=""
 444 virglrenderer=""
 445 tpm="yes"
 446 libssh2=""
 447 live_block_migration="yes"
 448 numa=""
 449 tcmalloc="no"
 450 jemalloc="no"
 451 replication="yes"
 452 vxhs=""
 453 libxml2=""
 454
 455 supported_cpu="no"
 456 supported_os="no"
 457 bogus_os="no"
 458 malloc_trim=""
 459
 460 # parse CC options first
 461 for opt do
 462   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 463   case "$opt" in
 464   --cross-prefix=*) cross_prefix="$optarg"
 465   ;;
 466   --cc=*) CC="$optarg"
 467   ;;
 468   --cxx=*) CXX="$optarg"
 469   ;;
 470   --source-path=*) source_path="$optarg"
 471   ;;
 472   --cpu=*) cpu="$optarg"
 473   ;;
 474   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 475   ;;
 476   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 477   ;;
 478   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 479                      EXTRA_LDFLAGS="$optarg"
 480   ;;
 481   --enable-debug-info) debug_info="yes"
 482   ;;
 483   --disable-debug-info) debug_info="no"
 484   ;;
 485   esac
 486 done
 487 # OS specific
 488 # Using uname is really, really broken.  Once we have the right set of checks
 489 # we can eliminate its usage altogether.
 490
 491 # Preferred compiler:
 492 #  ${CC} (if set)
 493 #  ${cross_prefix}gcc (if cross-prefix specified)
 494 #  system compiler
 495 if test -z "${CC}${cross_prefix}"; then
 496   cc="$host_cc"
 497 else
 498   cc="${CC-${cross_prefix}gcc}"
 499 fi
 500
 501 if test -z "${CXX}${cross_prefix}"; then
 502   cxx="c++"
 503 else
 504   cxx="${CXX-${cross_prefix}g++}"
 505 fi
 506
 507 ar="${AR-${cross_prefix}ar}"
 508 as="${AS-${cross_prefix}as}"
 509 ccas="${CCAS-$cc}"
 510 cpp="${CPP-$cc -E}"
 511 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 512 ld="${LD-${cross_prefix}ld}"
 513 ranlib="${RANLIB-${cross_prefix}ranlib}"
 514 nm="${NM-${cross_prefix}nm}"
 515 strip="${STRIP-${cross_prefix}strip}"
 516 windres="${WINDRES-${cross_prefix}windres}"
 517 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 518 query_pkg_config() {
 519     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 520 }
 521 pkg_config=query_pkg_config
 522 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 523 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 524
 525 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 526 ARFLAGS="${ARFLAGS-rv}"
 527
 528 # default flags for all hosts
 529 # We use -fwrapv to tell the compiler that we require a C dialect where
 530 # left shift of signed integers is well defined and has the expected
 531 # 2s-complement style results. (Both clang and gcc agree that it
 532 # provides these semantics.)
 533 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 534 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 535 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 536 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 537 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 538 if test "$debug_info" = "yes"; then
 539     CFLAGS="-g $CFLAGS"
 540     LDFLAGS="-g $LDFLAGS"
 541 fi
 542
 543 # make source path absolute
 544 source_path=$(cd "$source_path"; pwd)
 545
 546 # running configure in the source tree?
 547 # we know that's the case if configure is there.
 548 if test -f "./configure"; then
 549     pwd_is_source_path="y"
 550 else
 551     pwd_is_source_path="n"
 552 fi
 553
 554 check_define() {
 555 cat > $TMPC <<EOF
 556 #if !defined($1)
 557 #error $1 not defined
 558 #endif
 559 int main(void) { return 0; }
 560 EOF
 561   compile_object
 562 }
 563
 564 check_include() {
 565 cat > $TMPC <<EOF
 566 #include <$1>
 567 int main(void) { return 0; }
 568 EOF
 569   compile_object
 570 }
 571
 572 write_c_skeleton() {
 573     cat > $TMPC <<EOF
 574 int main(void) { return 0; }
 575 EOF
 576 }
 577
 578 if check_define __linux__ ; then
 579   targetos="Linux"
 580 elif check_define _WIN32 ; then
 581   targetos='MINGW32'
 582 elif check_define __OpenBSD__ ; then
 583   targetos='OpenBSD'
 584 elif check_define __sun__ ; then
 585   targetos='SunOS'
 586 elif check_define __HAIKU__ ; then
 587   targetos='Haiku'
 588 elif check_define __FreeBSD__ ; then
 589   targetos='FreeBSD'
 590 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 591   targetos='GNU/kFreeBSD'
 592 elif check_define __DragonFly__ ; then
 593   targetos='DragonFly'
 594 elif check_define __NetBSD__; then
 595   targetos='NetBSD'
 596 elif check_define __APPLE__; then
 597   targetos='Darwin'
 598 else
 599   # This is a fatal error, but don't report it yet, because we
 600   # might be going to just print the --help text, or it might
 601   # be the result of a missing compiler.
 602   targetos='bogus'
 603   bogus_os='yes'
 604 fi
 605
 606 # Some host OSes need non-standard checks for which CPU to use.
 607 # Note that these checks are broken for cross-compilation: if you're
 608 # cross-compiling to one of these OSes then you'll need to specify
 609 # the correct CPU with the --cpu option.
 610 case $targetos in
 611 Darwin)
 612   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 613   # run 64-bit userspace code.
 614   # If the user didn't specify a CPU explicitly and the kernel says this is
 615   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 616   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 617     cpu="x86_64"
 618   fi
 619   ;;
 620 SunOS)
 621   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 622   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 623     cpu="x86_64"
 624   fi
 625 esac
 626
 627 if test ! -z "$cpu" ; then
 628   # command line argument
 629   :
 630 elif check_define __i386__ ; then
 631   cpu="i386"
 632 elif check_define __x86_64__ ; then
 633   if check_define __ILP32__ ; then
 634     cpu="x32"
 635   else
 636     cpu="x86_64"
 637   fi
 638 elif check_define __sparc__ ; then
 639   if check_define __arch64__ ; then
 640     cpu="sparc64"
 641   else
 642     cpu="sparc"
 643   fi
 644 elif check_define _ARCH_PPC ; then
 645   if check_define _ARCH_PPC64 ; then
 646     cpu="ppc64"
 647   else
 648     cpu="ppc"
 649   fi
 650 elif check_define __mips__ ; then
 651   cpu="mips"
 652 elif check_define __s390__ ; then
 653   if check_define __s390x__ ; then
 654     cpu="s390x"
 655   else
 656     cpu="s390"
 657   fi
 658 elif check_define __arm__ ; then
 659   cpu="arm"
 660 elif check_define __aarch64__ ; then
 661   cpu="aarch64"
 662 else
 663   cpu=$(uname -m)
 664 fi
 665
 666 ARCH=
 667 # Normalise host CPU name and set ARCH.
 668 # Note that this case should only have supported host CPUs, not guests.
 669 case "$cpu" in
 670   ppc|ppc64|s390|s390x|sparc64|x32)
 671     cpu="$cpu"
 672     supported_cpu="yes"
 673   ;;
 674   i386|i486|i586|i686|i86pc|BePC)
 675     cpu="i386"
 676     supported_cpu="yes"
 677   ;;
 678   x86_64|amd64)
 679     cpu="x86_64"
 680     supported_cpu="yes"
 681   ;;
 682   armv*b|armv*l|arm)
 683     cpu="arm"
 684     supported_cpu="yes"
 685   ;;
 686   aarch64)
 687     cpu="aarch64"
 688     supported_cpu="yes"
 689   ;;
 690   mips*)
 691     cpu="mips"
 692     supported_cpu="yes"
 693   ;;
 694   sparc|sun4[cdmuv])
 695     cpu="sparc"
 696     supported_cpu="yes"
 697   ;;
 698   *)
 699     # This will result in either an error or falling back to TCI later
 700     ARCH=unknown
 701   ;;
 702 esac
 703 if test -z "$ARCH"; then
 704   ARCH="$cpu"
 705 fi
 706
 707 # OS specific
 708
 709 # host *BSD for user mode
 710 HOST_VARIANT_DIR=""
 711
 712 case $targetos in
 713 MINGW32*)
 714   mingw32="yes"
 715   hax="yes"
 716   audio_possible_drivers="dsound sdl"
 717   if check_include dsound.h; then
 718     audio_drv_list="dsound"
 719   else
 720     audio_drv_list=""
 721   fi
 722   supported_os="yes"
 723 ;;
 724 GNU/kFreeBSD)
 725   bsd="yes"
 726   audio_drv_list="oss"
 727   audio_possible_drivers="oss sdl pa"
 728 ;;
 729 FreeBSD)
 730   bsd="yes"
 731   make="${MAKE-gmake}"
 732   audio_drv_list="oss"
 733   audio_possible_drivers="oss sdl pa"
 734   # needed for kinfo_getvmmap(3) in libutil.h
 735   LIBS="-lutil $LIBS"
 736   # needed for kinfo_getproc
 737   libs_qga="-lutil $libs_qga"
 738   netmap=""  # enable netmap autodetect
 739   HOST_VARIANT_DIR="freebsd"
 740   supported_os="yes"
 741 ;;
 742 DragonFly)
 743   bsd="yes"
 744   make="${MAKE-gmake}"
 745   audio_drv_list="oss"
 746   audio_possible_drivers="oss sdl pa"
 747   HOST_VARIANT_DIR="dragonfly"
 748 ;;
 749 NetBSD)
 750   bsd="yes"
 751   make="${MAKE-gmake}"
 752   audio_drv_list="oss"
 753   audio_possible_drivers="oss sdl"
 754   oss_lib="-lossaudio"
 755   HOST_VARIANT_DIR="netbsd"
 756   supported_os="yes"
 757 ;;
 758 OpenBSD)
 759   bsd="yes"
 760   make="${MAKE-gmake}"
 761   audio_drv_list="sdl"
 762   audio_possible_drivers="sdl"
 763   HOST_VARIANT_DIR="openbsd"
 764   supported_os="yes"
 765 ;;
 766 Darwin)
 767   bsd="yes"
 768   darwin="yes"
 769   hax="yes"
 770   hvf="yes"
 771   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 772   if [ "$cpu" = "x86_64" ] ; then
 773     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 774     LDFLAGS="-arch x86_64 $LDFLAGS"
 775   fi
 776   cocoa="yes"
 777   audio_drv_list="coreaudio"
 778   audio_possible_drivers="coreaudio sdl"
 779   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 780   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 781   # Disable attempts to use ObjectiveC features in os/object.h since they
 782   # won't work when we're compiling with gcc as a C compiler.
 783   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 784   HOST_VARIANT_DIR="darwin"
 785   supported_os="yes"
 786 ;;
 787 SunOS)
 788   solaris="yes"
 789   make="${MAKE-gmake}"
 790   install="${INSTALL-ginstall}"
 791   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 792   if test -f /usr/include/sys/soundcard.h ; then
 793     audio_drv_list="oss"
 794   fi
 795   audio_possible_drivers="oss sdl"
 796 # needed for CMSG_ macros in sys/socket.h
 797   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 798 # needed for TIOCWIN* defines in termios.h
 799   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 800   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 801   solarisnetlibs="-lsocket -lnsl -lresolv"
 802   LIBS="$solarisnetlibs $LIBS"
 803   libs_qga="$solarisnetlibs $libs_qga"
 804 ;;
 805 Haiku)
 806   haiku="yes"
 807   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 808   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 809 ;;
 810 Linux)
 811   audio_drv_list="oss"
 812   audio_possible_drivers="oss alsa sdl pa"
 813   linux="yes"
 814   linux_user="yes"
 815   kvm="yes"
 816   vhost_net="yes"
 817   vhost_crypto="yes"
 818   vhost_scsi="yes"
 819   vhost_vsock="yes"
 820   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 821   supported_os="yes"
 822 ;;
 823 esac
 824
 825 if [ "$bsd" = "yes" ] ; then
 826   if [ "$darwin" != "yes" ] ; then
 827     bsd_user="yes"
 828   fi
 829 fi
 830
 831 : ${make=${MAKE-make}}
 832 : ${install=${INSTALL-install}}
 833 : ${python=${PYTHON-python}}
 834 : ${smbd=${SMBD-/usr/sbin/smbd}}
 835
 836 # Default objcc to clang if available, otherwise use CC
 837 if has clang; then
 838   objcc=clang
 839 else
 840   objcc="$cc"
 841 fi
 842
 843 if test "$mingw32" = "yes" ; then
 844   EXESUF=".exe"
 845   DSOSUF=".dll"
 846   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 847   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 848   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 849   # MinGW needs -mthreads for TLS and macro _MT.
 850   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 851   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 852   write_c_skeleton;
 853   if compile_prog "" "-liberty" ; then
 854     LIBS="-liberty $LIBS"
 855   fi
 856   prefix="c:/Program Files/QEMU"
 857   mandir="\${prefix}"
 858   datadir="\${prefix}"
 859   qemu_docdir="\${prefix}"
 860   bindir="\${prefix}"
 861   sysconfdir="\${prefix}"
 862   local_statedir=
 863   confsuffix=""
 864   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 865 fi
 866
 867 werror=""
 868
 869 for opt do
 870   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 871   case "$opt" in
 872   --help|-h) show_help=yes
 873   ;;
 874   --version|-V) exec cat $source_path/VERSION
 875   ;;
 876   --prefix=*) prefix="$optarg"
 877   ;;
 878   --interp-prefix=*) interp_prefix="$optarg"
 879   ;;
 880   --source-path=*)
 881   ;;
 882   --cross-prefix=*)
 883   ;;
 884   --cc=*)
 885   ;;
 886   --host-cc=*) host_cc="$optarg"
 887   ;;
 888   --cxx=*)
 889   ;;
 890   --iasl=*) iasl="$optarg"
 891   ;;
 892   --objcc=*) objcc="$optarg"
 893   ;;
 894   --make=*) make="$optarg"
 895   ;;
 896   --install=*) install="$optarg"
 897   ;;
 898   --python=*) python="$optarg"
 899   ;;
 900   --gcov=*) gcov_tool="$optarg"
 901   ;;
 902   --smbd=*) smbd="$optarg"
 903   ;;
 904   --extra-cflags=*)
 905   ;;
 906   --extra-cxxflags=*)
 907   ;;
 908   --extra-ldflags=*)
 909   ;;
 910   --enable-debug-info)
 911   ;;
 912   --disable-debug-info)
 913   ;;
 914   --enable-modules)
 915       modules="yes"
 916   ;;
 917   --disable-modules)
 918       modules="no"
 919   ;;
 920   --cpu=*)
 921   ;;
 922   --target-list=*) target_list="$optarg"
 923   ;;
 924   --enable-trace-backends=*) trace_backends="$optarg"
 925   ;;
 926   # XXX: backwards compatibility
 927   --enable-trace-backend=*) trace_backends="$optarg"
 928   ;;
 929   --with-trace-file=*) trace_file="$optarg"
 930   ;;
 931   --enable-gprof) gprof="yes"
 932   ;;
 933   --enable-gcov) gcov="yes"
 934   ;;
 935   --static)
 936     static="yes"
 937     LDFLAGS="-static $LDFLAGS"
 938     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 939   ;;
 940   --mandir=*) mandir="$optarg"
 941   ;;
 942   --bindir=*) bindir="$optarg"
 943   ;;
 944   --libdir=*) libdir="$optarg"
 945   ;;
 946   --libexecdir=*) libexecdir="$optarg"
 947   ;;
 948   --includedir=*) includedir="$optarg"
 949   ;;
 950   --datadir=*) datadir="$optarg"
 951   ;;
 952   --with-confsuffix=*) confsuffix="$optarg"
 953   ;;
 954   --docdir=*) qemu_docdir="$optarg"
 955   ;;
 956   --sysconfdir=*) sysconfdir="$optarg"
 957   ;;
 958   --localstatedir=*) local_statedir="$optarg"
 959   ;;
 960   --firmwarepath=*) firmwarepath="$optarg"
 961   ;;
 962   --sbindir=*|--sharedstatedir=*|\
 963   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 964   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 965     # These switches are silently ignored, for compatibility with
 966     # autoconf-generated configure scripts. This allows QEMU's
 967     # configure to be used by RPM and similar macros that set
 968     # lots of directory switches by default.
 969   ;;
 970   --disable-sdl) sdl="no"
 971   ;;
 972   --enable-sdl) sdl="yes"
 973   ;;
 974   --with-sdlabi=*) sdlabi="$optarg"
 975   ;;
 976   --disable-qom-cast-debug) qom_cast_debug="no"
 977   ;;
 978   --enable-qom-cast-debug) qom_cast_debug="yes"
 979   ;;
 980   --disable-virtfs) virtfs="no"
 981   ;;
 982   --enable-virtfs) virtfs="yes"
 983   ;;
 984   --disable-mpath) mpath="no"
 985   ;;
 986   --enable-mpath) mpath="yes"
 987   ;;
 988   --disable-vnc) vnc="no"
 989   ;;
 990   --enable-vnc) vnc="yes"
 991   ;;
 992   --oss-lib=*) oss_lib="$optarg"
 993   ;;
 994   --audio-drv-list=*) audio_drv_list="$optarg"
 995   ;;
 996   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 997   ;;
 998   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 999   ;;
1000   --enable-debug-tcg) debug_tcg="yes"
1001   ;;
1002   --disable-debug-tcg) debug_tcg="no"
1003   ;;
1004   --enable-debug)
1005       # Enable debugging options that aren't excessively noisy
1006       debug_tcg="yes"
1007       debug="yes"
1008       strip_opt="no"
1009       fortify_source="no"
1010   ;;
1011   --enable-sanitizers) sanitizers="yes"
1012   ;;
1013   --disable-sanitizers) sanitizers="no"
1014   ;;
1015   --enable-sparse) sparse="yes"
1016   ;;
1017   --disable-sparse) sparse="no"
1018   ;;
1019   --disable-strip) strip_opt="no"
1020   ;;
1021   --disable-vnc-sasl) vnc_sasl="no"
1022   ;;
1023   --enable-vnc-sasl) vnc_sasl="yes"
1024   ;;
1025   --disable-vnc-jpeg) vnc_jpeg="no"
1026   ;;
1027   --enable-vnc-jpeg) vnc_jpeg="yes"
1028   ;;
1029   --disable-vnc-png) vnc_png="no"
1030   ;;
1031   --enable-vnc-png) vnc_png="yes"
1032   ;;
1033   --disable-slirp) slirp="no"
1034   ;;
1035   --disable-vde) vde="no"
1036   ;;
1037   --enable-vde) vde="yes"
1038   ;;
1039   --disable-netmap) netmap="no"
1040   ;;
1041   --enable-netmap) netmap="yes"
1042   ;;
1043   --disable-xen) xen="no"
1044   ;;
1045   --enable-xen) xen="yes"
1046   ;;
1047   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1048   ;;
1049   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1050   ;;
1051   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
1052   ;;
1053   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1054   ;;
1055   --disable-brlapi) brlapi="no"
1056   ;;
1057   --enable-brlapi) brlapi="yes"
1058   ;;
1059   --disable-bluez) bluez="no"
1060   ;;
1061   --enable-bluez) bluez="yes"
1062   ;;
1063   --disable-kvm) kvm="no"
1064   ;;
1065   --enable-kvm) kvm="yes"
1066   ;;
1067   --disable-hax) hax="no"
1068   ;;
1069   --enable-hax) hax="yes"
1070   ;;
1071   --disable-hvf) hvf="no"
1072   ;;
1073   --enable-hvf) hvf="yes"
1074   ;;
1075   --disable-whpx) whpx="no"
1076   ;;
1077   --enable-whpx) whpx="yes"
1078   ;;
1079   --disable-tcg-interpreter) tcg_interpreter="no"
1080   ;;
1081   --enable-tcg-interpreter) tcg_interpreter="yes"
1082   ;;
1083   --disable-cap-ng)  cap_ng="no"
1084   ;;
1085   --enable-cap-ng) cap_ng="yes"
1086   ;;
1087   --disable-tcg) tcg="no"
1088   ;;
1089   --enable-tcg) tcg="yes"
1090   ;;
1091   --disable-malloc-trim) malloc_trim="no"
1092   ;;
1093   --enable-malloc-trim) malloc_trim="yes"
1094   ;;
1095   --disable-spice) spice="no"
1096   ;;
1097   --enable-spice) spice="yes"
1098   ;;
1099   --disable-libiscsi) libiscsi="no"
1100   ;;
1101   --enable-libiscsi) libiscsi="yes"
1102   ;;
1103   --disable-libnfs) libnfs="no"
1104   ;;
1105   --enable-libnfs) libnfs="yes"
1106   ;;
1107   --enable-profiler) profiler="yes"
1108   ;;
1109   --disable-cocoa) cocoa="no"
1110   ;;
1111   --enable-cocoa)
1112       cocoa="yes" ;
1113       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1114   ;;
1115   --disable-system) softmmu="no"
1116   ;;
1117   --enable-system) softmmu="yes"
1118   ;;
1119   --disable-user)
1120       linux_user="no" ;
1121       bsd_user="no" ;
1122   ;;
1123   --enable-user) ;;
1124   --disable-linux-user) linux_user="no"
1125   ;;
1126   --enable-linux-user) linux_user="yes"
1127   ;;
1128   --disable-bsd-user) bsd_user="no"
1129   ;;
1130   --enable-bsd-user) bsd_user="yes"
1131   ;;
1132   --enable-pie) pie="yes"
1133   ;;
1134   --disable-pie) pie="no"
1135   ;;
1136   --enable-werror) werror="yes"
1137   ;;
1138   --disable-werror) werror="no"
1139   ;;
1140   --enable-stack-protector) stack_protector="yes"
1141   ;;
1142   --disable-stack-protector) stack_protector="no"
1143   ;;
1144   --disable-curses) curses="no"
1145   ;;
1146   --enable-curses) curses="yes"
1147   ;;
1148   --disable-curl) curl="no"
1149   ;;
1150   --enable-curl) curl="yes"
1151   ;;
1152   --disable-fdt) fdt="no"
1153   ;;
1154   --enable-fdt) fdt="yes"
1155   ;;
1156   --disable-linux-aio) linux_aio="no"
1157   ;;
1158   --enable-linux-aio) linux_aio="yes"
1159   ;;
1160   --disable-attr) attr="no"
1161   ;;
1162   --enable-attr) attr="yes"
1163   ;;
1164   --disable-blobs) blobs="no"
1165   ;;
1166   --with-pkgversion=*) pkgversion=" ($optarg)"
1167   ;;
1168   --with-coroutine=*) coroutine="$optarg"
1169   ;;
1170   --disable-coroutine-pool) coroutine_pool="no"
1171   ;;
1172   --enable-coroutine-pool) coroutine_pool="yes"
1173   ;;
1174   --enable-debug-stack-usage) debug_stack_usage="yes"
1175   ;;
1176   --enable-crypto-afalg) crypto_afalg="yes"
1177   ;;
1178   --disable-crypto-afalg) crypto_afalg="no"
1179   ;;
1180   --disable-docs) docs="no"
1181   ;;
1182   --enable-docs) docs="yes"
1183   ;;
1184   --disable-vhost-net) vhost_net="no"
1185   ;;
1186   --enable-vhost-net) vhost_net="yes"
1187   ;;
1188   --disable-vhost-crypto) vhost_crypto="no"
1189   ;;
1190   --enable-vhost-crypto)
1191       vhost_crypto="yes"
1192       if test "$mingw32" = "yes"; then
1193           error_exit "vhost-crypto isn't available on win32"
1194       fi
1195   ;;
1196   --disable-vhost-scsi) vhost_scsi="no"
1197   ;;
1198   --enable-vhost-scsi) vhost_scsi="yes"
1199   ;;
1200   --disable-vhost-vsock) vhost_vsock="no"
1201   ;;
1202   --enable-vhost-vsock) vhost_vsock="yes"
1203   ;;
1204   --disable-opengl) opengl="no"
1205   ;;
1206   --enable-opengl) opengl="yes"
1207   ;;
1208   --disable-rbd) rbd="no"
1209   ;;
1210   --enable-rbd) rbd="yes"
1211   ;;
1212   --disable-xfsctl) xfs="no"
1213   ;;
1214   --enable-xfsctl) xfs="yes"
1215   ;;
1216   --disable-smartcard) smartcard="no"
1217   ;;
1218   --enable-smartcard) smartcard="yes"
1219   ;;
1220   --disable-libusb) libusb="no"
1221   ;;
1222   --enable-libusb) libusb="yes"
1223   ;;
1224   --disable-usb-redir) usb_redir="no"
1225   ;;
1226   --enable-usb-redir) usb_redir="yes"
1227   ;;
1228   --disable-zlib-test) zlib="no"
1229   ;;
1230   --disable-lzo) lzo="no"
1231   ;;
1232   --enable-lzo) lzo="yes"
1233   ;;
1234   --disable-snappy) snappy="no"
1235   ;;
1236   --enable-snappy) snappy="yes"
1237   ;;
1238   --disable-bzip2) bzip2="no"
1239   ;;
1240   --enable-bzip2) bzip2="yes"
1241   ;;
1242   --enable-guest-agent) guest_agent="yes"
1243   ;;
1244   --disable-guest-agent) guest_agent="no"
1245   ;;
1246   --enable-guest-agent-msi) guest_agent_msi="yes"
1247   ;;
1248   --disable-guest-agent-msi) guest_agent_msi="no"
1249   ;;
1250   --with-vss-sdk) vss_win32_sdk=""
1251   ;;
1252   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1253   ;;
1254   --without-vss-sdk) vss_win32_sdk="no"
1255   ;;
1256   --with-win-sdk) win_sdk=""
1257   ;;
1258   --with-win-sdk=*) win_sdk="$optarg"
1259   ;;
1260   --without-win-sdk) win_sdk="no"
1261   ;;
1262   --enable-tools) want_tools="yes"
1263   ;;
1264   --disable-tools) want_tools="no"
1265   ;;
1266   --enable-seccomp) seccomp="yes"
1267   ;;
1268   --disable-seccomp) seccomp="no"
1269   ;;
1270   --disable-glusterfs) glusterfs="no"
1271   ;;
1272   --enable-glusterfs) glusterfs="yes"
1273   ;;
1274   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1275       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1276   ;;
1277   --enable-vhdx|--disable-vhdx)
1278       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1279   ;;
1280   --enable-uuid|--disable-uuid)
1281       echo "$0: $opt is obsolete, UUID support is always built" >&2
1282   ;;
1283   --disable-gtk) gtk="no"
1284   ;;
1285   --enable-gtk) gtk="yes"
1286   ;;
1287   --tls-priority=*) tls_priority="$optarg"
1288   ;;
1289   --disable-gnutls) gnutls="no"
1290   ;;
1291   --enable-gnutls) gnutls="yes"
1292   ;;
1293   --disable-nettle) nettle="no"
1294   ;;
1295   --enable-nettle) nettle="yes"
1296   ;;
1297   --disable-gcrypt) gcrypt="no"
1298   ;;
1299   --enable-gcrypt) gcrypt="yes"
1300   ;;
1301   --enable-rdma) rdma="yes"
1302   ;;
1303   --disable-rdma) rdma="no"
1304   ;;
1305   --with-gtkabi=*) gtkabi="$optarg"
1306   ;;
1307   --disable-vte) vte="no"
1308   ;;
1309   --enable-vte) vte="yes"
1310   ;;
1311   --disable-virglrenderer) virglrenderer="no"
1312   ;;
1313   --enable-virglrenderer) virglrenderer="yes"
1314   ;;
1315   --disable-tpm) tpm="no"
1316   ;;
1317   --enable-tpm) tpm="yes"
1318   ;;
1319   --disable-libssh2) libssh2="no"
1320   ;;
1321   --enable-libssh2) libssh2="yes"
1322   ;;
1323   --disable-live-block-migration) live_block_migration="no"
1324   ;;
1325   --enable-live-block-migration) live_block_migration="yes"
1326   ;;
1327   --disable-numa) numa="no"
1328   ;;
1329   --enable-numa) numa="yes"
1330   ;;
1331   --disable-libxml2) libxml2="no"
1332   ;;
1333   --enable-libxml2) libxml2="yes"
1334   ;;
1335   --disable-tcmalloc) tcmalloc="no"
1336   ;;
1337   --enable-tcmalloc) tcmalloc="yes"
1338   ;;
1339   --disable-jemalloc) jemalloc="no"
1340   ;;
1341   --enable-jemalloc) jemalloc="yes"
1342   ;;
1343   --disable-replication) replication="no"
1344   ;;
1345   --enable-replication) replication="yes"
1346   ;;
1347   --disable-vxhs) vxhs="no"
1348   ;;
1349   --enable-vxhs) vxhs="yes"
1350   ;;
1351   --disable-vhost-user) vhost_user="no"
1352   ;;
1353   --enable-vhost-user)
1354       vhost_user="yes"
1355       if test "$mingw32" = "yes"; then
1356           error_exit "vhost-user isn't available on win32"
1357       fi
1358   ;;
1359   --disable-capstone) capstone="no"
1360   ;;
1361   --enable-capstone) capstone="yes"
1362   ;;
1363   --enable-capstone=git) capstone="git"
1364   ;;
1365   --enable-capstone=system) capstone="system"
1366   ;;
1367   --with-git=*) git="$optarg"
1368   ;;
1369   --enable-git-update) git_update=yes
1370   ;;
1371   --disable-git-update) git_update=no
1372   ;;
1373   *)
1374       echo "ERROR: unknown option $opt"
1375       echo "Try '$0 --help' for more information"
1376       exit 1
1377   ;;
1378   esac
1379 done
1380
1381 if test "$vhost_user" = ""; then
1382     if test "$mingw32" = "yes"; then
1383         vhost_user="no"
1384     else
1385         vhost_user="yes"
1386     fi
1387 fi
1388
1389 case "$cpu" in
1390     ppc)
1391            CPU_CFLAGS="-m32"
1392            LDFLAGS="-m32 $LDFLAGS"
1393            ;;
1394     ppc64)
1395            CPU_CFLAGS="-m64"
1396            LDFLAGS="-m64 $LDFLAGS"
1397            ;;
1398     sparc)
1399            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1400            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1401            ;;
1402     sparc64)
1403            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1404            LDFLAGS="-m64 $LDFLAGS"
1405            ;;
1406     s390)
1407            CPU_CFLAGS="-m31"
1408            LDFLAGS="-m31 $LDFLAGS"
1409            ;;
1410     s390x)
1411            CPU_CFLAGS="-m64"
1412            LDFLAGS="-m64 $LDFLAGS"
1413            ;;
1414     i386)
1415            CPU_CFLAGS="-m32"
1416            LDFLAGS="-m32 $LDFLAGS"
1417            cc_i386='$(CC) -m32'
1418            ;;
1419     x86_64)
1420            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1421            # If we truly care, we should simply detect this case at
1422            # runtime and generate the fallback to serial emulation.
1423            CPU_CFLAGS="-m64 -mcx16"
1424            LDFLAGS="-m64 $LDFLAGS"
1425            cc_i386='$(CC) -m32'
1426            ;;
1427     x32)
1428            CPU_CFLAGS="-mx32"
1429            LDFLAGS="-mx32 $LDFLAGS"
1430            cc_i386='$(CC) -m32'
1431            ;;
1432     # No special flags required for other host CPUs
1433 esac
1434
1435 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1436
1437 # For user-mode emulation the host arch has to be one we explicitly
1438 # support, even if we're using TCI.
1439 if [ "$ARCH" = "unknown" ]; then
1440   bsd_user="no"
1441   linux_user="no"
1442 fi
1443
1444 default_target_list=""
1445
1446 mak_wilds=""
1447
1448 if [ "$softmmu" = "yes" ]; then
1449     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1450 fi
1451 if [ "$linux_user" = "yes" ]; then
1452     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1453 fi
1454 if [ "$bsd_user" = "yes" ]; then
1455     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1456 fi
1457
1458 for config in $mak_wilds; do
1459     default_target_list="${default_target_list} $(basename "$config" .mak)"
1460 done
1461
1462 # Enumerate public trace backends for --help output
1463 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1464
1465 if test x"$show_help" = x"yes" ; then
1466 cat << EOF
1467
1468 Usage: configure [options]
1469 Options: [defaults in brackets after descriptions]
1470
1471 Standard options:
1472   --help                   print this message
1473   --prefix=PREFIX          install in PREFIX [$prefix]
1474   --interp-prefix=PREFIX   where to find shared libraries, etc.
1475                            use %M for cpu name [$interp_prefix]
1476   --target-list=LIST       set target list (default: build everything)
1477 $(echo Available targets: $default_target_list | \
1478   fold -s -w 53 | sed -e 's/^/                           /')
1479
1480 Advanced options (experts only):
1481   --source-path=PATH       path of source code [$source_path]
1482   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1483   --cc=CC                  use C compiler CC [$cc]
1484   --iasl=IASL              use ACPI compiler IASL [$iasl]
1485   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1486                            build time
1487   --cxx=CXX                use C++ compiler CXX [$cxx]
1488   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1489   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1490   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1491   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1492   --make=MAKE              use specified make [$make]
1493   --install=INSTALL        use specified install [$install]
1494   --python=PYTHON          use specified python [$python]
1495   --smbd=SMBD              use specified smbd [$smbd]
1496   --static                 enable static build [$static]
1497   --mandir=PATH            install man pages in PATH
1498   --datadir=PATH           install firmware in PATH$confsuffix
1499   --docdir=PATH            install documentation in PATH$confsuffix
1500   --bindir=PATH            install binaries in PATH
1501   --libdir=PATH            install libraries in PATH
1502   --sysconfdir=PATH        install config in PATH$confsuffix
1503   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1504   --firmwarepath=PATH      search PATH for firmware files
1505   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1506   --enable-debug           enable common debug build options
1507   --enable-sanitizers      enable default sanitizers
1508   --disable-strip          disable stripping binaries
1509   --disable-werror         disable compilation abort on warning
1510   --disable-stack-protector disable compiler-provided stack protection
1511   --audio-drv-list=LIST    set audio drivers list:
1512                            Available drivers: $audio_possible_drivers
1513   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1514   --block-drv-rw-whitelist=L
1515                            set block driver read-write whitelist
1516                            (affects only QEMU, not qemu-img)
1517   --block-drv-ro-whitelist=L
1518                            set block driver read-only whitelist
1519                            (affects only QEMU, not qemu-img)
1520   --enable-trace-backends=B Set trace backend
1521                            Available backends: $trace_backend_list
1522   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1523                            Default:trace-<pid>
1524   --disable-slirp          disable SLIRP userspace network connectivity
1525   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1526   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1527   --oss-lib                path to OSS library
1528   --cpu=CPU                Build for host CPU [$cpu]
1529   --with-coroutine=BACKEND coroutine backend. Supported options:
1530                            ucontext, sigaltstack, windows
1531   --enable-gcov            enable test coverage analysis with gcov
1532   --gcov=GCOV              use specified gcov [$gcov_tool]
1533   --disable-blobs          disable installing provided firmware blobs
1534   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1535   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1536   --tls-priority           default TLS protocol/cipher priority string
1537   --enable-gprof           QEMU profiling with gprof
1538   --enable-profiler        profiler support
1539   --enable-xen-pv-domain-build
1540                            xen pv domain builder
1541   --enable-debug-stack-usage
1542                            track the maximum stack usage of stacks created by qemu_alloc_stack
1543
1544 Optional features, enabled with --enable-FEATURE and
1545 disabled with --disable-FEATURE, default is enabled if available:
1546
1547   system          all system emulation targets
1548   user            supported user emulation targets
1549   linux-user      all linux usermode emulation targets
1550   bsd-user        all BSD usermode emulation targets
1551   docs            build documentation
1552   guest-agent     build the QEMU Guest Agent
1553   guest-agent-msi build guest agent Windows MSI installation package
1554   pie             Position Independent Executables
1555   modules         modules support
1556   debug-tcg       TCG debugging (default is disabled)
1557   debug-info      debugging information
1558   sparse          sparse checker
1559
1560   gnutls          GNUTLS cryptography support
1561   nettle          nettle cryptography support
1562   gcrypt          libgcrypt cryptography support
1563   sdl             SDL UI
1564   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1565   gtk             gtk UI
1566   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1567   vte             vte support for the gtk UI
1568   curses          curses UI
1569   vnc             VNC UI support
1570   vnc-sasl        SASL encryption for VNC server
1571   vnc-jpeg        JPEG lossy compression for VNC server
1572   vnc-png         PNG compression for VNC server
1573   cocoa           Cocoa UI (Mac OS X only)
1574   virtfs          VirtFS
1575   mpath           Multipath persistent reservation passthrough
1576   xen             xen backend driver support
1577   xen-pci-passthrough
1578   brlapi          BrlAPI (Braile)
1579   curl            curl connectivity
1580   fdt             fdt device tree
1581   bluez           bluez stack connectivity
1582   kvm             KVM acceleration support
1583   hax             HAX acceleration support
1584   hvf             Hypervisor.framework acceleration support
1585   whpx            Windows Hypervisor Platform acceleration support
1586   rdma            Enable RDMA-based migration and PVRDMA support
1587   vde             support for vde network
1588   netmap          support for netmap network
1589   linux-aio       Linux AIO support
1590   cap-ng          libcap-ng support
1591   attr            attr and xattr support
1592   vhost-net       vhost-net acceleration support
1593   vhost-crypto    vhost-crypto acceleration support
1594   spice           spice
1595   rbd             rados block device (rbd)
1596   libiscsi        iscsi support
1597   libnfs          nfs support
1598   smartcard       smartcard support (libcacard)
1599   libusb          libusb (for usb passthrough)
1600   live-block-migration   Block migration in the main migration stream
1601   usb-redir       usb network redirection support
1602   lzo             support of lzo compression library
1603   snappy          support of snappy compression library
1604   bzip2           support of bzip2 compression library
1605                   (for reading bzip2-compressed dmg images)
1606   seccomp         seccomp support
1607   coroutine-pool  coroutine freelist (better performance)
1608   glusterfs       GlusterFS backend
1609   tpm             TPM support
1610   libssh2         ssh block device support
1611   numa            libnuma support
1612   libxml2         for Parallels image format
1613   tcmalloc        tcmalloc support
1614   jemalloc        jemalloc support
1615   replication     replication support
1616   vhost-vsock     virtio sockets device support
1617   opengl          opengl support
1618   virglrenderer   virgl rendering support
1619   xfsctl          xfsctl support
1620   qom-cast-debug  cast debugging support
1621   tools           build qemu-io, qemu-nbd and qemu-image tools
1622   vxhs            Veritas HyperScale vDisk backend support
1623   crypto-afalg    Linux AF_ALG crypto backend driver
1624   vhost-user      vhost-user support
1625   capstone        capstone disassembler support
1626
1627 NOTE: The object files are built at the place where configure is launched
1628 EOF
1629 exit 0
1630 fi
1631
1632 if ! has $python; then
1633   error_exit "Python not found. Use --python=/path/to/python"
1634 fi
1635
1636 # Note that if the Python conditional here evaluates True we will exit
1637 # with status 1 which is a shell 'false' value.
1638 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6))'; then
1639   error_exit "Cannot use '$python', Python 2 >= 2.6 or Python 3 is required." \
1640       "Use --python=/path/to/python to specify a supported Python."
1641 fi
1642
1643 # Suppress writing compiled files
1644 python="$python -B"
1645
1646 # Check that the C compiler works. Doing this here before testing
1647 # the host CPU ensures that we had a valid CC to autodetect the
1648 # $cpu var (and we should bail right here if that's not the case).
1649 # It also allows the help message to be printed without a CC.
1650 write_c_skeleton;
1651 if compile_object ; then
1652   : C compiler works ok
1653 else
1654     error_exit "\"$cc\" either does not exist or does not work"
1655 fi
1656 if ! compile_prog ; then
1657     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1658 fi
1659
1660 # Now we have handled --enable-tcg-interpreter and know we're not just
1661 # printing the help message, bail out if the host CPU isn't supported.
1662 if test "$ARCH" = "unknown"; then
1663     if test "$tcg_interpreter" = "yes" ; then
1664         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1665     else
1666         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1667     fi
1668 fi
1669
1670 # Consult white-list to determine whether to enable werror
1671 # by default.  Only enable by default for git builds
1672 if test -z "$werror" ; then
1673     if test -d "$source_path/.git" -a \
1674         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1675         werror="yes"
1676     else
1677         werror="no"
1678     fi
1679 fi
1680
1681 if test "$bogus_os" = "yes"; then
1682     # Now that we know that we're not printing the help and that
1683     # the compiler works (so the results of the check_defines we used
1684     # to identify the OS are reliable), if we didn't recognize the
1685     # host OS we should stop now.
1686     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1687 fi
1688
1689 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1690 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1691 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1692 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1693 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1694 gcc_flags="-Wno-string-plus-int $gcc_flags"
1695 # Note that we do not add -Werror to gcc_flags here, because that would
1696 # enable it for all configure tests. If a configure test failed due
1697 # to -Werror this would just silently disable some features,
1698 # so it's too error prone.
1699
1700 cc_has_warning_flag() {
1701     write_c_skeleton;
1702
1703     # Use the positive sense of the flag when testing for -Wno-wombat
1704     # support (gcc will happily accept the -Wno- form of unknown
1705     # warning options).
1706     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1707     compile_prog "-Werror $optflag" ""
1708 }
1709
1710 for flag in $gcc_flags; do
1711     if cc_has_warning_flag $flag ; then
1712         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1713     fi
1714 done
1715
1716 if test "$stack_protector" != "no"; then
1717   cat > $TMPC << EOF
1718 int main(int argc, char *argv[])
1719 {
1720     char arr[64], *p = arr, *c = argv[0];
1721     while (*c) {
1722         *p++ = *c++;
1723     }
1724     return 0;
1725 }
1726 EOF
1727   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1728   sp_on=0
1729   for flag in $gcc_flags; do
1730     # We need to check both a compile and a link, since some compiler
1731     # setups fail only on a .c->.o compile and some only at link time
1732     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1733        compile_prog "-Werror $flag" ""; then
1734       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1735       sp_on=1
1736       break
1737     fi
1738   done
1739   if test "$stack_protector" = yes; then
1740     if test $sp_on = 0; then
1741       error_exit "Stack protector not supported"
1742     fi
1743   fi
1744 fi
1745
1746 # Disable -Wmissing-braces on older compilers that warn even for
1747 # the "universal" C zero initializer {0}.
1748 cat > $TMPC << EOF
1749 struct {
1750   int a[2];
1751 } x = {0};
1752 EOF
1753 if compile_object "-Werror" "" ; then
1754   :
1755 else
1756   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1757 fi
1758
1759 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1760 # large functions that use global variables.  The bug is in all releases of
1761 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1762 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1763 cat > $TMPC << EOF
1764 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1765 int main(void) { return 0; }
1766 #else
1767 #error No bug in this compiler.
1768 #endif
1769 EOF
1770 if compile_prog "-Werror -fno-gcse" "" ; then
1771   TRANSLATE_OPT_CFLAGS=-fno-gcse
1772 fi
1773
1774 if test "$static" = "yes" ; then
1775   if test "$modules" = "yes" ; then
1776     error_exit "static and modules are mutually incompatible"
1777   fi
1778   if test "$pie" = "yes" ; then
1779     error_exit "static and pie are mutually incompatible"
1780   else
1781     pie="no"
1782   fi
1783 fi
1784
1785 # Unconditional check for compiler __thread support
1786   cat > $TMPC << EOF
1787 static __thread int tls_var;
1788 int main(void) { return tls_var; }
1789 EOF
1790
1791 if ! compile_prog "-Werror" "" ; then
1792     error_exit "Your compiler does not support the __thread specifier for " \
1793         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1794 fi
1795
1796 if test "$pie" = ""; then
1797   case "$cpu-$targetos" in
1798     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1799       ;;
1800     *)
1801       pie="no"
1802       ;;
1803   esac
1804 fi
1805
1806 if test "$pie" != "no" ; then
1807   cat > $TMPC << EOF
1808
1809 #ifdef __linux__
1810 #  define THREAD __thread
1811 #else
1812 #  define THREAD
1813 #endif
1814
1815 static THREAD int tls_var;
1816
1817 int main(void) { return tls_var; }
1818
1819 EOF
1820   if compile_prog "-fPIE -DPIE" "-pie"; then
1821     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1822     LDFLAGS="-pie $LDFLAGS"
1823     pie="yes"
1824     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1825       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1826     fi
1827   else
1828     if test "$pie" = "yes"; then
1829       error_exit "PIE not available due to missing toolchain support"
1830     else
1831       echo "Disabling PIE due to missing toolchain support"
1832       pie="no"
1833     fi
1834   fi
1835
1836   if compile_prog "-Werror -fno-pie" "-nopie"; then
1837     CFLAGS_NOPIE="-fno-pie"
1838     LDFLAGS_NOPIE="-nopie"
1839   fi
1840 fi
1841
1842 ##########################################
1843 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1844 # use i686 as default anyway, but for those that don't, an explicit
1845 # specification is necessary
1846
1847 if test "$cpu" = "i386"; then
1848   cat > $TMPC << EOF
1849 static int sfaa(int *ptr)
1850 {
1851   return __sync_fetch_and_and(ptr, 0);
1852 }
1853
1854 int main(void)
1855 {
1856   int val = 42;
1857   val = __sync_val_compare_and_swap(&val, 0, 1);
1858   sfaa(&val);
1859   return val;
1860 }
1861 EOF
1862   if ! compile_prog "" "" ; then
1863     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1864   fi
1865 fi
1866
1867 #########################################
1868 # Solaris specific configure tool chain decisions
1869
1870 if test "$solaris" = "yes" ; then
1871   if has $install; then
1872     :
1873   else
1874     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1875         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1876         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1877   fi
1878   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1879     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1880         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1881         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1882   fi
1883   if has ar; then
1884     :
1885   else
1886     if test -f /usr/ccs/bin/ar ; then
1887       error_exit "No path includes ar" \
1888           "Add /usr/ccs/bin to your path and rerun configure"
1889     fi
1890     error_exit "No path includes ar"
1891   fi
1892 fi
1893
1894 if test -z "${target_list+xxx}" ; then
1895     for target in $default_target_list; do
1896         supported_target $target 2>/dev/null && \
1897             target_list="$target_list $target"
1898     done
1899     target_list="${target_list# }"
1900 else
1901     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1902     for target in $target_list; do
1903         # Check that we recognised the target name; this allows a more
1904         # friendly error message than if we let it fall through.
1905         case " $default_target_list " in
1906             *" $target "*)
1907                 ;;
1908             *)
1909                 error_exit "Unknown target name '$target'"
1910                 ;;
1911         esac
1912         supported_target $target || exit 1
1913     done
1914 fi
1915
1916 # see if system emulation was really requested
1917 case " $target_list " in
1918   *"-softmmu "*) softmmu=yes
1919   ;;
1920   *) softmmu=no
1921   ;;
1922 esac
1923
1924 feature_not_found() {
1925   feature=$1
1926   remedy=$2
1927
1928   error_exit "User requested feature $feature" \
1929       "configure was not able to find it." \
1930       "$remedy"
1931 }
1932
1933 # ---
1934 # big/little endian test
1935 cat > $TMPC << EOF
1936 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1937 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1938 extern int foo(short *, short *);
1939 int main(int argc, char *argv[]) {
1940     return foo(big_endian, little_endian);
1941 }
1942 EOF
1943
1944 if compile_object ; then
1945     if strings -a $TMPO | grep -q BiGeNdIaN ; then
1946         bigendian="yes"
1947     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
1948         bigendian="no"
1949     else
1950         echo big/little test failed
1951     fi
1952 else
1953     echo big/little test failed
1954 fi
1955
1956 ##########################################
1957 # cocoa implies not SDL or GTK
1958 # (the cocoa UI code currently assumes it is always the active UI
1959 # and doesn't interact well with other UI frontend code)
1960 if test "$cocoa" = "yes"; then
1961     if test "$sdl" = "yes"; then
1962         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1963     fi
1964     if test "$gtk" = "yes"; then
1965         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1966     fi
1967     gtk=no
1968     sdl=no
1969 fi
1970
1971 # Some versions of Mac OS X incorrectly define SIZE_MAX
1972 cat > $TMPC << EOF
1973 #include <stdint.h>
1974 #include <stdio.h>
1975 int main(int argc, char *argv[]) {
1976     return printf("%zu", SIZE_MAX);
1977 }
1978 EOF
1979 have_broken_size_max=no
1980 if ! compile_object -Werror ; then
1981     have_broken_size_max=yes
1982 fi
1983
1984 ##########################################
1985 # L2TPV3 probe
1986
1987 cat > $TMPC <<EOF
1988 #include <sys/socket.h>
1989 #include <linux/ip.h>
1990 int main(void) { return sizeof(struct mmsghdr); }
1991 EOF
1992 if compile_prog "" "" ; then
1993   l2tpv3=yes
1994 else
1995   l2tpv3=no
1996 fi
1997
1998 ##########################################
1999 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2000
2001 if test "$mingw32" = "yes"; then
2002     # Some versions of MinGW / Mingw-w64 lack localtime_r
2003     # and gmtime_r entirely.
2004     #
2005     # Some versions of Mingw-w64 define a macro for
2006     # localtime_r/gmtime_r.
2007     #
2008     # Some versions of Mingw-w64 will define functions
2009     # for localtime_r/gmtime_r, but only if you have
2010     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2011     # though, unistd.h and pthread.h both define
2012     # that for you.
2013     #
2014     # So this #undef localtime_r and #include <unistd.h>
2015     # are not in fact redundant.
2016 cat > $TMPC << EOF
2017 #include <unistd.h>
2018 #include <time.h>
2019 #undef localtime_r
2020 int main(void) { localtime_r(NULL, NULL); return 0; }
2021 EOF
2022     if compile_prog "" "" ; then
2023         localtime_r="yes"
2024     else
2025         localtime_r="no"
2026     fi
2027 fi
2028
2029 ##########################################
2030 # pkg-config probe
2031
2032 if ! has "$pkg_config_exe"; then
2033   error_exit "pkg-config binary '$pkg_config_exe' not found"
2034 fi
2035
2036 ##########################################
2037 # NPTL probe
2038
2039 if test "$linux_user" = "yes"; then
2040   cat > $TMPC <<EOF
2041 #include <sched.h>
2042 #include <linux/futex.h>
2043 int main(void) {
2044 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2045 #error bork
2046 #endif
2047   return 0;
2048 }
2049 EOF
2050   if ! compile_object ; then
2051     feature_not_found "nptl" "Install glibc and linux kernel headers."
2052   fi
2053 fi
2054
2055 #########################################
2056 # zlib check
2057
2058 if test "$zlib" != "no" ; then
2059     cat > $TMPC << EOF
2060 #include <zlib.h>
2061 int main(void) { zlibVersion(); return 0; }
2062 EOF
2063     if compile_prog "" "-lz" ; then
2064         :
2065     else
2066         error_exit "zlib check failed" \
2067             "Make sure to have the zlib libs and headers installed."
2068     fi
2069 fi
2070 LIBS="$LIBS -lz"
2071
2072 ##########################################
2073 # lzo check
2074
2075 if test "$lzo" != "no" ; then
2076     cat > $TMPC << EOF
2077 #include <lzo/lzo1x.h>
2078 int main(void) { lzo_version(); return 0; }
2079 EOF
2080     if compile_prog "" "-llzo2" ; then
2081         libs_softmmu="$libs_softmmu -llzo2"
2082         lzo="yes"
2083     else
2084         if test "$lzo" = "yes"; then
2085             feature_not_found "liblzo2" "Install liblzo2 devel"
2086         fi
2087         lzo="no"
2088     fi
2089 fi
2090
2091 ##########################################
2092 # snappy check
2093
2094 if test "$snappy" != "no" ; then
2095     cat > $TMPC << EOF
2096 #include <snappy-c.h>
2097 int main(void) { snappy_max_compressed_length(4096); return 0; }
2098 EOF
2099     if compile_prog "" "-lsnappy" ; then
2100         libs_softmmu="$libs_softmmu -lsnappy"
2101         snappy="yes"
2102     else
2103         if test "$snappy" = "yes"; then
2104             feature_not_found "libsnappy" "Install libsnappy devel"
2105         fi
2106         snappy="no"
2107     fi
2108 fi
2109
2110 ##########################################
2111 # bzip2 check
2112
2113 if test "$bzip2" != "no" ; then
2114     cat > $TMPC << EOF
2115 #include <bzlib.h>
2116 int main(void) { BZ2_bzlibVersion(); return 0; }
2117 EOF
2118     if compile_prog "" "-lbz2" ; then
2119         bzip2="yes"
2120     else
2121         if test "$bzip2" = "yes"; then
2122             feature_not_found "libbzip2" "Install libbzip2 devel"
2123         fi
2124         bzip2="no"
2125     fi
2126 fi
2127
2128 ##########################################
2129 # libseccomp check
2130
2131 if test "$seccomp" != "no" ; then
2132     case "$cpu" in
2133     i386|x86_64)
2134         libseccomp_minver="2.1.0"
2135         ;;
2136     mips)
2137         libseccomp_minver="2.2.0"
2138         ;;
2139     arm|aarch64)
2140         libseccomp_minver="2.2.3"
2141         ;;
2142     ppc|ppc64|s390x)
2143         libseccomp_minver="2.3.0"
2144         ;;
2145     *)
2146         libseccomp_minver=""
2147         ;;
2148     esac
2149
2150     if test "$libseccomp_minver" != "" &&
2151        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2152         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2153         seccomp_libs="$($pkg_config --libs libseccomp)"
2154         seccomp="yes"
2155     else
2156         if test "$seccomp" = "yes" ; then
2157             if test "$libseccomp_minver" != "" ; then
2158                 feature_not_found "libseccomp" \
2159                     "Install libseccomp devel >= $libseccomp_minver"
2160             else
2161                 feature_not_found "libseccomp" \
2162                     "libseccomp is not supported for host cpu $cpu"
2163             fi
2164         fi
2165         seccomp="no"
2166     fi
2167 fi
2168 ##########################################
2169 # xen probe
2170
2171 if test "$xen" != "no" ; then
2172   # Check whether Xen library path is specified via --extra-ldflags to avoid
2173   # overriding this setting with pkg-config output. If not, try pkg-config
2174   # to obtain all needed flags.
2175
2176   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2177      $pkg_config --exists xencontrol ; then
2178     xen_ctrl_version="$(printf '%d%02d%02d' \
2179       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2180     xen=yes
2181     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2182     xen_pc="$xen_pc xenevtchn xendevicemodel"
2183     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2184     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2185     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2186   else
2187
2188     xen_libs="-lxenstore -lxenctrl -lxenguest"
2189     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2190
2191     # First we test whether Xen headers and libraries are available.
2192     # If no, we are done and there is no Xen support.
2193     # If yes, more tests are run to detect the Xen version.
2194
2195     # Xen (any)
2196     cat > $TMPC <<EOF
2197 #include <xenctrl.h>
2198 int main(void) {
2199   return 0;
2200 }
2201 EOF
2202     if ! compile_prog "" "$xen_libs" ; then
2203       # Xen not found
2204       if test "$xen" = "yes" ; then
2205         feature_not_found "xen" "Install xen devel"
2206       fi
2207       xen=no
2208
2209     # Xen unstable
2210     elif
2211         cat > $TMPC <<EOF &&
2212 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2213 #include <xenforeignmemory.h>
2214 int main(void) {
2215   xenforeignmemory_handle *xfmem;
2216
2217   xfmem = xenforeignmemory_open(0, 0);
2218   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2219
2220   return 0;
2221 }
2222 EOF
2223         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2224       then
2225       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2226       xen_ctrl_version=41000
2227       xen=yes
2228     elif
2229         cat > $TMPC <<EOF &&
2230 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2231 #define __XEN_TOOLS__
2232 #include <xendevicemodel.h>
2233 int main(void) {
2234   xendevicemodel_handle *xd;
2235
2236   xd = xendevicemodel_open(0, 0);
2237   xendevicemodel_close(xd);
2238
2239   return 0;
2240 }
2241 EOF
2242         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2243       then
2244       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2245       xen_ctrl_version=40900
2246       xen=yes
2247     elif
2248         cat > $TMPC <<EOF &&
2249 /*
2250  * If we have stable libs the we don't want the libxc compat
2251  * layers, regardless of what CFLAGS we may have been given.
2252  *
2253  * Also, check if xengnttab_grant_copy_segment_t is defined and
2254  * grant copy operation is implemented.
2255  */
2256 #undef XC_WANT_COMPAT_EVTCHN_API
2257 #undef XC_WANT_COMPAT_GNTTAB_API
2258 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2259 #include <xenctrl.h>
2260 #include <xenstore.h>
2261 #include <xenevtchn.h>
2262 #include <xengnttab.h>
2263 #include <xenforeignmemory.h>
2264 #include <stdint.h>
2265 #include <xen/hvm/hvm_info_table.h>
2266 #if !defined(HVM_MAX_VCPUS)
2267 # error HVM_MAX_VCPUS not defined
2268 #endif
2269 int main(void) {
2270   xc_interface *xc = NULL;
2271   xenforeignmemory_handle *xfmem;
2272   xenevtchn_handle *xe;
2273   xengnttab_handle *xg;
2274   xen_domain_handle_t handle;
2275   xengnttab_grant_copy_segment_t* seg = NULL;
2276
2277   xs_daemon_open();
2278
2279   xc = xc_interface_open(0, 0, 0);
2280   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2281   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2282   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2283   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2284   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2285
2286   xfmem = xenforeignmemory_open(0, 0);
2287   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2288
2289   xe = xenevtchn_open(0, 0);
2290   xenevtchn_fd(xe);
2291
2292   xg = xengnttab_open(0, 0);
2293   xengnttab_grant_copy(xg, 0, seg);
2294
2295   return 0;
2296 }
2297 EOF
2298         compile_prog "" "$xen_libs $xen_stable_libs"
2299       then
2300       xen_ctrl_version=40800
2301       xen=yes
2302     elif
2303         cat > $TMPC <<EOF &&
2304 /*
2305  * If we have stable libs the we don't want the libxc compat
2306  * layers, regardless of what CFLAGS we may have been given.
2307  */
2308 #undef XC_WANT_COMPAT_EVTCHN_API
2309 #undef XC_WANT_COMPAT_GNTTAB_API
2310 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2311 #include <xenctrl.h>
2312 #include <xenstore.h>
2313 #include <xenevtchn.h>
2314 #include <xengnttab.h>
2315 #include <xenforeignmemory.h>
2316 #include <stdint.h>
2317 #include <xen/hvm/hvm_info_table.h>
2318 #if !defined(HVM_MAX_VCPUS)
2319 # error HVM_MAX_VCPUS not defined
2320 #endif
2321 int main(void) {
2322   xc_interface *xc = NULL;
2323   xenforeignmemory_handle *xfmem;
2324   xenevtchn_handle *xe;
2325   xengnttab_handle *xg;
2326   xen_domain_handle_t handle;
2327
2328   xs_daemon_open();
2329
2330   xc = xc_interface_open(0, 0, 0);
2331   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2332   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2333   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2334   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2335   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2336
2337   xfmem = xenforeignmemory_open(0, 0);
2338   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2339
2340   xe = xenevtchn_open(0, 0);
2341   xenevtchn_fd(xe);
2342
2343   xg = xengnttab_open(0, 0);
2344   xengnttab_map_grant_ref(xg, 0, 0, 0);
2345
2346   return 0;
2347 }
2348 EOF
2349         compile_prog "" "$xen_libs $xen_stable_libs"
2350       then
2351       xen_ctrl_version=40701
2352       xen=yes
2353     elif
2354         cat > $TMPC <<EOF &&
2355 #include <xenctrl.h>
2356 #include <stdint.h>
2357 int main(void) {
2358   xc_interface *xc = NULL;
2359   xen_domain_handle_t handle;
2360   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2361   return 0;
2362 }
2363 EOF
2364         compile_prog "" "$xen_libs"
2365       then
2366       xen_ctrl_version=40700
2367       xen=yes
2368
2369     # Xen 4.6
2370     elif
2371         cat > $TMPC <<EOF &&
2372 #include <xenctrl.h>
2373 #include <xenstore.h>
2374 #include <stdint.h>
2375 #include <xen/hvm/hvm_info_table.h>
2376 #if !defined(HVM_MAX_VCPUS)
2377 # error HVM_MAX_VCPUS not defined
2378 #endif
2379 int main(void) {
2380   xc_interface *xc;
2381   xs_daemon_open();
2382   xc = xc_interface_open(0, 0, 0);
2383   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2384   xc_gnttab_open(NULL, 0);
2385   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2386   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2387   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2388   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2389   return 0;
2390 }
2391 EOF
2392         compile_prog "" "$xen_libs"
2393       then
2394       xen_ctrl_version=40600
2395       xen=yes
2396
2397     # Xen 4.5
2398     elif
2399         cat > $TMPC <<EOF &&
2400 #include <xenctrl.h>
2401 #include <xenstore.h>
2402 #include <stdint.h>
2403 #include <xen/hvm/hvm_info_table.h>
2404 #if !defined(HVM_MAX_VCPUS)
2405 # error HVM_MAX_VCPUS not defined
2406 #endif
2407 int main(void) {
2408   xc_interface *xc;
2409   xs_daemon_open();
2410   xc = xc_interface_open(0, 0, 0);
2411   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2412   xc_gnttab_open(NULL, 0);
2413   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2414   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2415   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2416   return 0;
2417 }
2418 EOF
2419         compile_prog "" "$xen_libs"
2420       then
2421       xen_ctrl_version=40500
2422       xen=yes
2423
2424     elif
2425         cat > $TMPC <<EOF &&
2426 #include <xenctrl.h>
2427 #include <xenstore.h>
2428 #include <stdint.h>
2429 #include <xen/hvm/hvm_info_table.h>
2430 #if !defined(HVM_MAX_VCPUS)
2431 # error HVM_MAX_VCPUS not defined
2432 #endif
2433 int main(void) {
2434   xc_interface *xc;
2435   xs_daemon_open();
2436   xc = xc_interface_open(0, 0, 0);
2437   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2438   xc_gnttab_open(NULL, 0);
2439   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2440   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2441   return 0;
2442 }
2443 EOF
2444         compile_prog "" "$xen_libs"
2445       then
2446       xen_ctrl_version=40200
2447       xen=yes
2448
2449     else
2450       if test "$xen" = "yes" ; then
2451         feature_not_found "xen (unsupported version)" \
2452                           "Install a supported xen (xen 4.2 or newer)"
2453       fi
2454       xen=no
2455     fi
2456
2457     if test "$xen" = yes; then
2458       if test $xen_ctrl_version -ge 40701  ; then
2459         libs_softmmu="$xen_stable_libs $libs_softmmu"
2460       fi
2461       libs_softmmu="$xen_libs $libs_softmmu"
2462     fi
2463   fi
2464 fi
2465
2466 if test "$xen_pci_passthrough" != "no"; then
2467   if test "$xen" = "yes" && test "$linux" = "yes"; then
2468     xen_pci_passthrough=yes
2469   else
2470     if test "$xen_pci_passthrough" = "yes"; then
2471       error_exit "User requested feature Xen PCI Passthrough" \
2472           " but this feature requires /sys from Linux"
2473     fi
2474     xen_pci_passthrough=no
2475   fi
2476 fi
2477
2478 if test "$xen_pv_domain_build" = "yes" &&
2479    test "$xen" != "yes"; then
2480     error_exit "User requested Xen PV domain builder support" \
2481                "which requires Xen support."
2482 fi
2483
2484 ##########################################
2485 # Windows Hypervisor Platform accelerator (WHPX) check
2486 if test "$whpx" != "no" ; then
2487     cat > $TMPC << EOF
2488 #include <windows.h>
2489 #include <winhvplatform.h>
2490 #include <winhvemulation.h>
2491 int main(void) {
2492     WHV_CAPABILITY whpx_cap;
2493     WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap));
2494     return 0;
2495 }
2496 EOF
2497     if compile_prog "" "-lwinhvplatform -lwinhvemulation" ; then
2498         libs_softmmu="$libs_softmmu -lwinhvplatform -lwinhvemulation"
2499         whpx="yes"
2500     else
2501         if test "$whpx" = "yes"; then
2502             feature_not_found "winhvplatform" "winhvemulation is not installed"
2503         fi
2504         whpx="no"
2505     fi
2506 fi
2507
2508 ##########################################
2509 # Sparse probe
2510 if test "$sparse" != "no" ; then
2511   if has cgcc; then
2512     sparse=yes
2513   else
2514     if test "$sparse" = "yes" ; then
2515       feature_not_found "sparse" "Install sparse binary"
2516     fi
2517     sparse=no
2518   fi
2519 fi
2520
2521 ##########################################
2522 # X11 probe
2523 if $pkg_config --exists "x11"; then
2524     have_x11=yes
2525     x11_cflags=$($pkg_config --cflags x11)
2526     x11_libs=$($pkg_config --libs x11)
2527 fi
2528
2529 ##########################################
2530 # GTK probe
2531
2532 if test "$gtkabi" = ""; then
2533     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2534     # Use 2.0 as a fallback if that is available.
2535     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2536         gtkabi=3.0
2537     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2538         gtkabi=2.0
2539     else
2540         gtkabi=3.0
2541     fi
2542 fi
2543
2544 if test "$gtk" != "no"; then
2545     gtkpackage="gtk+-$gtkabi"
2546     gtkx11package="gtk+-x11-$gtkabi"
2547     if test "$gtkabi" = "3.0" ; then
2548       gtkversion="3.0.0"
2549     else
2550       gtkversion="2.18.0"
2551     fi
2552     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2553         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2554         gtk_libs=$($pkg_config --libs $gtkpackage)
2555         gtk_version=$($pkg_config --modversion $gtkpackage)
2556         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2557             need_x11=yes
2558             gtk_cflags="$gtk_cflags $x11_cflags"
2559             gtk_libs="$gtk_libs $x11_libs"
2560         fi
2561         gtk="yes"
2562     elif test "$gtk" = "yes"; then
2563         feature_not_found "gtk" "Install gtk3-devel"
2564     else
2565         gtk="no"
2566     fi
2567 fi
2568
2569
2570 ##########################################
2571 # GNUTLS probe
2572
2573 gnutls_works() {
2574     # Unfortunately some distros have bad pkg-config information for gnutls
2575     # such that it claims to exist but you get a compiler error if you try
2576     # to use the options returned by --libs. Specifically, Ubuntu for --static
2577     # builds doesn't work:
2578     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2579     #
2580     # So sanity check the cflags/libs before assuming gnutls can be used.
2581     if ! $pkg_config --exists "gnutls"; then
2582         return 1
2583     fi
2584
2585     write_c_skeleton
2586     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2587 }
2588
2589 gnutls_gcrypt=no
2590 gnutls_nettle=no
2591 if test "$gnutls" != "no"; then
2592     if gnutls_works; then
2593         gnutls_cflags=$($pkg_config --cflags gnutls)
2594         gnutls_libs=$($pkg_config --libs gnutls)
2595         libs_softmmu="$gnutls_libs $libs_softmmu"
2596         libs_tools="$gnutls_libs $libs_tools"
2597         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2598         gnutls="yes"
2599
2600         # gnutls_rnd requires >= 2.11.0
2601         if $pkg_config --exists "gnutls >= 2.11.0"; then
2602             gnutls_rnd="yes"
2603         else
2604             gnutls_rnd="no"
2605         fi
2606
2607         if $pkg_config --exists 'gnutls >= 3.0'; then
2608             gnutls_gcrypt=no
2609             gnutls_nettle=yes
2610         elif $pkg_config --exists 'gnutls >= 2.12'; then
2611             case $($pkg_config --libs --static gnutls) in
2612                 *gcrypt*)
2613                     gnutls_gcrypt=yes
2614                     gnutls_nettle=no
2615                     ;;
2616                 *nettle*)
2617                     gnutls_gcrypt=no
2618                     gnutls_nettle=yes
2619                     ;;
2620                 *)
2621                     gnutls_gcrypt=yes
2622                     gnutls_nettle=no
2623                     ;;
2624             esac
2625         else
2626             gnutls_gcrypt=yes
2627             gnutls_nettle=no
2628         fi
2629     elif test "$gnutls" = "yes"; then
2630         feature_not_found "gnutls" "Install gnutls devel"
2631     else
2632         gnutls="no"
2633         gnutls_rnd="no"
2634     fi
2635 else
2636     gnutls_rnd="no"
2637 fi
2638
2639
2640 # If user didn't give a --disable/enable-gcrypt flag,
2641 # then mark as disabled if user requested nettle
2642 # explicitly, or if gnutls links to nettle
2643 if test -z "$gcrypt"
2644 then
2645     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2646     then
2647         gcrypt="no"
2648     fi
2649 fi
2650
2651 # If user didn't give a --disable/enable-nettle flag,
2652 # then mark as disabled if user requested gcrypt
2653 # explicitly, or if gnutls links to gcrypt
2654 if test -z "$nettle"
2655 then
2656     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2657     then
2658         nettle="no"
2659     fi
2660 fi
2661
2662 has_libgcrypt_config() {
2663     if ! has "libgcrypt-config"
2664     then
2665         return 1
2666     fi
2667
2668     if test -n "$cross_prefix"
2669     then
2670         host=$(libgcrypt-config --host)
2671         if test "$host-" != $cross_prefix
2672         then
2673             return 1
2674         fi
2675     fi
2676
2677     return 0
2678 }
2679
2680 if test "$gcrypt" != "no"; then
2681     if has_libgcrypt_config; then
2682         gcrypt_cflags=$(libgcrypt-config --cflags)
2683         gcrypt_libs=$(libgcrypt-config --libs)
2684         # Debian has remove -lgpg-error from libgcrypt-config
2685         # as it "spreads unnecessary dependencies" which in
2686         # turn breaks static builds...
2687         if test "$static" = "yes"
2688         then
2689             gcrypt_libs="$gcrypt_libs -lgpg-error"
2690         fi
2691         libs_softmmu="$gcrypt_libs $libs_softmmu"
2692         libs_tools="$gcrypt_libs $libs_tools"
2693         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2694         gcrypt="yes"
2695         if test -z "$nettle"; then
2696            nettle="no"
2697         fi
2698
2699         cat > $TMPC << EOF
2700 #include <gcrypt.h>
2701 int main(void) {
2702   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2703                   GCRY_MD_SHA256,
2704                   NULL, 0, 0, 0, NULL);
2705  return 0;
2706 }
2707 EOF
2708         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2709             gcrypt_kdf=yes
2710         fi
2711
2712         cat > $TMPC << EOF
2713 #include <gcrypt.h>
2714 int main(void) {
2715   gcry_mac_hd_t handle;
2716   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2717                 GCRY_MAC_FLAG_SECURE, NULL);
2718   return 0;
2719 }
2720 EOF
2721         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2722             gcrypt_hmac=yes
2723         fi
2724     else
2725         if test "$gcrypt" = "yes"; then
2726             feature_not_found "gcrypt" "Install gcrypt devel"
2727         else
2728             gcrypt="no"
2729         fi
2730     fi
2731 fi
2732
2733
2734 if test "$nettle" != "no"; then
2735     if $pkg_config --exists "nettle"; then
2736         nettle_cflags=$($pkg_config --cflags nettle)
2737         nettle_libs=$($pkg_config --libs nettle)
2738         nettle_version=$($pkg_config --modversion nettle)
2739         libs_softmmu="$nettle_libs $libs_softmmu"
2740         libs_tools="$nettle_libs $libs_tools"
2741         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2742         nettle="yes"
2743
2744         cat > $TMPC << EOF
2745 #include <stddef.h>
2746 #include <nettle/pbkdf2.h>
2747 int main(void) {
2748      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2749      return 0;
2750 }
2751 EOF
2752         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2753             nettle_kdf=yes
2754         fi
2755     else
2756         if test "$nettle" = "yes"; then
2757             feature_not_found "nettle" "Install nettle devel"
2758         else
2759             nettle="no"
2760         fi
2761     fi
2762 fi
2763
2764 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2765 then
2766     error_exit "Only one of gcrypt & nettle can be enabled"
2767 fi
2768
2769 ##########################################
2770 # libtasn1 - only for the TLS creds/session test suite
2771
2772 tasn1=yes
2773 tasn1_cflags=""
2774 tasn1_libs=""
2775 if $pkg_config --exists "libtasn1"; then
2776     tasn1_cflags=$($pkg_config --cflags libtasn1)
2777     tasn1_libs=$($pkg_config --libs libtasn1)
2778 else
2779     tasn1=no
2780 fi
2781
2782
2783 ##########################################
2784 # getifaddrs (for tests/test-io-channel-socket )
2785
2786 have_ifaddrs_h=yes
2787 if ! check_include "ifaddrs.h" ; then
2788   have_ifaddrs_h=no
2789 fi
2790
2791 ##########################################
2792 # VTE probe
2793
2794 if test "$vte" != "no"; then
2795     if test "$gtkabi" = "3.0"; then
2796       vteminversion="0.32.0"
2797       if $pkg_config --exists "vte-2.91"; then
2798         vtepackage="vte-2.91"
2799       else
2800         vtepackage="vte-2.90"
2801       fi
2802     else
2803       vtepackage="vte"
2804       vteminversion="0.24.0"
2805     fi
2806     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2807         vte_cflags=$($pkg_config --cflags $vtepackage)
2808         vte_libs=$($pkg_config --libs $vtepackage)
2809         vteversion=$($pkg_config --modversion $vtepackage)
2810         vte="yes"
2811     elif test "$vte" = "yes"; then
2812         if test "$gtkabi" = "3.0"; then
2813             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2814         else
2815             feature_not_found "vte" "Install libvte devel"
2816         fi
2817     else
2818         vte="no"
2819     fi
2820 fi
2821
2822 ##########################################
2823 # SDL probe
2824
2825 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2826 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2827
2828 if test "$sdlabi" = ""; then
2829     if $pkg_config --exists "sdl2"; then
2830         sdlabi=2.0
2831     elif $pkg_config --exists "sdl"; then
2832         sdlabi=1.2
2833     else
2834         sdlabi=2.0
2835     fi
2836 fi
2837
2838 if test $sdlabi = "2.0"; then
2839     sdl_config=$sdl2_config
2840     sdlname=sdl2
2841     sdlconfigname=sdl2_config
2842 elif test $sdlabi = "1.2"; then
2843     sdlname=sdl
2844     sdlconfigname=sdl_config
2845 else
2846     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2847 fi
2848
2849 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2850   sdl_config=$sdlconfigname
2851 fi
2852
2853 if $pkg_config $sdlname --exists; then
2854   sdlconfig="$pkg_config $sdlname"
2855   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2856 elif has ${sdl_config}; then
2857   sdlconfig="$sdl_config"
2858   sdlversion=$($sdlconfig --version)
2859 else
2860   if test "$sdl" = "yes" ; then
2861     feature_not_found "sdl" "Install SDL2-devel"
2862   fi
2863   sdl=no
2864 fi
2865 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2866   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2867 fi
2868
2869 sdl_too_old=no
2870 if test "$sdl" != "no" ; then
2871   cat > $TMPC << EOF
2872 #include <SDL.h>
2873 #undef main /* We don't want SDL to override our main() */
2874 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2875 EOF
2876   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2877   if test "$static" = "yes" ; then
2878     if $pkg_config $sdlname --exists; then
2879       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2880     else
2881       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2882     fi
2883   else
2884     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2885   fi
2886   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2887     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2888       sdl_too_old=yes
2889     else
2890       sdl=yes
2891     fi
2892
2893     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2894     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2895       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2896          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2897          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2898       fi
2899       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2900         :
2901       else
2902         sdl=no
2903       fi
2904     fi # static link
2905   else # sdl not found
2906     if test "$sdl" = "yes" ; then
2907       feature_not_found "sdl" "Install SDL devel"
2908     fi
2909     sdl=no
2910   fi # sdl compile test
2911 fi
2912
2913 if test "$sdl" = "yes" ; then
2914   cat > $TMPC <<EOF
2915 #include <SDL.h>
2916 #if defined(SDL_VIDEO_DRIVER_X11)
2917 #include <X11/XKBlib.h>
2918 #else
2919 #error No x11 support
2920 #endif
2921 int main(void) { return 0; }
2922 EOF
2923   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2924     need_x11=yes
2925     sdl_cflags="$sdl_cflags $x11_cflags"
2926     sdl_libs="$sdl_libs $x11_libs"
2927   fi
2928 fi
2929
2930 ##########################################
2931 # RDMA needs OpenFabrics libraries
2932 if test "$rdma" != "no" ; then
2933   cat > $TMPC <<EOF
2934 #include <rdma/rdma_cma.h>
2935 int main(void) { return 0; }
2936 EOF
2937   rdma_libs="-lrdmacm -libverbs -libumad"
2938   if compile_prog "" "$rdma_libs" ; then
2939     rdma="yes"
2940     libs_softmmu="$libs_softmmu $rdma_libs"
2941   else
2942     if test "$rdma" = "yes" ; then
2943         error_exit \
2944             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
2945             " Your options:" \
2946             "  (1) Fast: Install infiniband packages (devel) from your distro." \
2947             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2948             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2949     fi
2950     rdma="no"
2951   fi
2952 fi
2953
2954
2955 ##########################################
2956 # VNC SASL detection
2957 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2958   cat > $TMPC <<EOF
2959 #include <sasl/sasl.h>
2960 #include <stdio.h>
2961 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2962 EOF
2963   # Assuming Cyrus-SASL installed in /usr prefix
2964   vnc_sasl_cflags=""
2965   vnc_sasl_libs="-lsasl2"
2966   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2967     vnc_sasl=yes
2968     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2969     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2970   else
2971     if test "$vnc_sasl" = "yes" ; then
2972       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2973     fi
2974     vnc_sasl=no
2975   fi
2976 fi
2977
2978 ##########################################
2979 # VNC JPEG detection
2980 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2981 cat > $TMPC <<EOF
2982 #include <stdio.h>
2983 #include <jpeglib.h>
2984 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2985 EOF
2986     vnc_jpeg_cflags=""
2987     vnc_jpeg_libs="-ljpeg"
2988   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2989     vnc_jpeg=yes
2990     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2991     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2992   else
2993     if test "$vnc_jpeg" = "yes" ; then
2994       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2995     fi
2996     vnc_jpeg=no
2997   fi
2998 fi
2999
3000 ##########################################
3001 # VNC PNG detection
3002 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
3003 cat > $TMPC <<EOF
3004 //#include <stdio.h>
3005 #include <png.h>
3006 #include <stddef.h>
3007 int main(void) {
3008     png_structp png_ptr;
3009     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3010     return png_ptr != 0;
3011 }
3012 EOF
3013   if $pkg_config libpng --exists; then
3014     vnc_png_cflags=$($pkg_config libpng --cflags)
3015     vnc_png_libs=$($pkg_config libpng --libs)
3016   else
3017     vnc_png_cflags=""
3018     vnc_png_libs="-lpng"
3019   fi
3020   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3021     vnc_png=yes
3022     libs_softmmu="$vnc_png_libs $libs_softmmu"
3023     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3024   else
3025     if test "$vnc_png" = "yes" ; then
3026       feature_not_found "vnc-png" "Install libpng devel"
3027     fi
3028     vnc_png=no
3029   fi
3030 fi
3031
3032 ##########################################
3033 # xkbcommon probe
3034 if test "$xkbcommon" != "no" ; then
3035   if $pkg_config xkbcommon --exists; then
3036     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3037     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3038     xkbcommon=yes
3039   else
3040     if test "$xkbcommon" = "yes" ; then
3041       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3042     fi
3043     xkbcommon=no
3044   fi
3045 fi
3046
3047 ##########################################
3048 # fnmatch() probe, used for ACL routines
3049 fnmatch="no"
3050 cat > $TMPC << EOF
3051 #include <fnmatch.h>
3052 int main(void)
3053 {
3054     fnmatch("foo", "foo", 0);
3055     return 0;
3056 }
3057 EOF
3058 if compile_prog "" "" ; then
3059    fnmatch="yes"
3060 fi
3061
3062 ##########################################
3063 # xfsctl() probe, used for file-posix.c
3064 if test "$xfs" != "no" ; then
3065   cat > $TMPC << EOF
3066 #include <stddef.h>  /* NULL */
3067 #include <xfs/xfs.h>
3068 int main(void)
3069 {
3070     xfsctl(NULL, 0, 0, NULL);
3071     return 0;
3072 }
3073 EOF
3074   if compile_prog "" "" ; then
3075     xfs="yes"
3076   else
3077     if test "$xfs" = "yes" ; then
3078       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3079     fi
3080     xfs=no
3081   fi
3082 fi
3083
3084 ##########################################
3085 # vde libraries probe
3086 if test "$vde" != "no" ; then
3087   vde_libs="-lvdeplug"
3088   cat > $TMPC << EOF
3089 #include <libvdeplug.h>
3090 int main(void)
3091 {
3092     struct vde_open_args a = {0, 0, 0};
3093     char s[] = "";
3094     vde_open(s, s, &a);
3095     return 0;
3096 }
3097 EOF
3098   if compile_prog "" "$vde_libs" ; then
3099     vde=yes
3100   else
3101     if test "$vde" = "yes" ; then
3102       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3103     fi
3104     vde=no
3105   fi
3106 fi
3107
3108 ##########################################
3109 # netmap support probe
3110 # Apart from looking for netmap headers, we make sure that the host API version
3111 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3112 # a minor/major version number. Minor new features will be marked with values up
3113 # to 15, and if something happens that requires a change to the backend we will
3114 # move above 15, submit the backend fixes and modify this two bounds.
3115 if test "$netmap" != "no" ; then
3116   cat > $TMPC << EOF
3117 #include <inttypes.h>
3118 #include <net/if.h>
3119 #include <net/netmap.h>
3120 #include <net/netmap_user.h>
3121 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3122 #error
3123 #endif
3124 int main(void) { return 0; }
3125 EOF
3126   if compile_prog "" "" ; then
3127     netmap=yes
3128   else
3129     if test "$netmap" = "yes" ; then
3130       feature_not_found "netmap"
3131     fi
3132     netmap=no
3133   fi
3134 fi
3135
3136 ##########################################
3137 # libcap-ng library probe
3138 if test "$cap_ng" != "no" ; then
3139   cap_libs="-lcap-ng"
3140   cat > $TMPC << EOF
3141 #include <cap-ng.h>
3142 int main(void)
3143 {
3144     capng_capability_to_name(CAPNG_EFFECTIVE);
3145     return 0;
3146 }
3147 EOF
3148   if compile_prog "" "$cap_libs" ; then
3149     cap_ng=yes
3150     libs_tools="$cap_libs $libs_tools"
3151   else
3152     if test "$cap_ng" = "yes" ; then
3153       feature_not_found "cap_ng" "Install libcap-ng devel"
3154     fi
3155     cap_ng=no
3156   fi
3157 fi
3158
3159 ##########################################
3160 # Sound support libraries probe
3161
3162 audio_drv_probe()
3163 {
3164     drv=$1
3165     hdr=$2
3166     lib=$3
3167     exp=$4
3168     cfl=$5
3169         cat > $TMPC << EOF
3170 #include <$hdr>
3171 int main(void) { $exp }
3172 EOF
3173     if compile_prog "$cfl" "$lib" ; then
3174         :
3175     else
3176         error_exit "$drv check failed" \
3177             "Make sure to have the $drv libs and headers installed."
3178     fi
3179 }
3180
3181 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3182 for drv in $audio_drv_list; do
3183     case $drv in
3184     alsa)
3185     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3186         "return snd_pcm_close((snd_pcm_t *)0);"
3187     alsa_libs="-lasound"
3188     ;;
3189
3190     pa)
3191     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3192         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3193     pulse_libs="-lpulse"
3194     audio_pt_int="yes"
3195     ;;
3196
3197     sdl)
3198     if test "$sdl" = "no"; then
3199         error_exit "sdl not found or disabled, can not use sdl audio driver"
3200     fi
3201     ;;
3202
3203     coreaudio)
3204       coreaudio_libs="-framework CoreAudio"
3205     ;;
3206
3207     dsound)
3208       dsound_libs="-lole32 -ldxguid"
3209       audio_win_int="yes"
3210     ;;
3211
3212     oss)
3213       oss_libs="$oss_lib"
3214     ;;
3215
3216     wav)
3217     # XXX: Probes for CoreAudio, DirectSound
3218     ;;
3219
3220     *)
3221     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3222         error_exit "Unknown driver '$drv' selected" \
3223             "Possible drivers are: $audio_possible_drivers"
3224     }
3225     ;;
3226     esac
3227 done
3228
3229 ##########################################
3230 # BrlAPI probe
3231
3232 if test "$brlapi" != "no" ; then
3233   brlapi_libs="-lbrlapi"
3234   cat > $TMPC << EOF
3235 #include <brlapi.h>
3236 #include <stddef.h>
3237 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3238 EOF
3239   if compile_prog "" "$brlapi_libs" ; then
3240     brlapi=yes
3241   else
3242     if test "$brlapi" = "yes" ; then
3243       feature_not_found "brlapi" "Install brlapi devel"
3244     fi
3245     brlapi=no
3246   fi
3247 fi
3248
3249 ##########################################
3250 # curses probe
3251 if test "$curses" != "no" ; then
3252   if test "$mingw32" = "yes" ; then
3253     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3254     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3255   else
3256     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3257     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3258   fi
3259   curses_found=no
3260   cat > $TMPC << EOF
3261 #include <locale.h>
3262 #include <curses.h>
3263 #include <wchar.h>
3264 int main(void) {
3265   wchar_t wch = L'w';
3266   setlocale(LC_ALL, "");
3267   resize_term(0, 0);
3268   addwstr(L"wide chars\n");
3269   addnwstr(&wch, 1);
3270   add_wch(WACS_DEGREE);
3271   return 0;
3272 }
3273 EOF
3274   IFS=:
3275   for curses_inc in $curses_inc_list; do
3276     # Make sure we get the wide character prototypes
3277     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3278     IFS=:
3279     for curses_lib in $curses_lib_list; do
3280       unset IFS
3281       if compile_prog "$curses_inc" "$curses_lib" ; then
3282         curses_found=yes
3283         break
3284       fi
3285     done
3286     if test "$curses_found" = yes ; then
3287       break
3288     fi
3289   done
3290   unset IFS
3291   if test "$curses_found" = "yes" ; then
3292     curses=yes
3293   else
3294     if test "$curses" = "yes" ; then
3295       feature_not_found "curses" "Install ncurses devel"
3296     fi
3297     curses=no
3298   fi
3299 fi
3300
3301 ##########################################
3302 # curl probe
3303 if test "$curl" != "no" ; then
3304   if $pkg_config libcurl --exists; then
3305     curlconfig="$pkg_config libcurl"
3306   else
3307     curlconfig=curl-config
3308   fi
3309   cat > $TMPC << EOF
3310 #include <curl/curl.h>
3311 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3312 EOF
3313   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3314   curl_libs=$($curlconfig --libs 2>/dev/null)
3315   if compile_prog "$curl_cflags" "$curl_libs" ; then
3316     curl=yes
3317   else
3318     if test "$curl" = "yes" ; then
3319       feature_not_found "curl" "Install libcurl devel"
3320     fi
3321     curl=no
3322   fi
3323 fi # test "$curl"
3324
3325 ##########################################
3326 # bluez support probe
3327 if test "$bluez" != "no" ; then
3328   cat > $TMPC << EOF
3329 #include <bluetooth/bluetooth.h>
3330 int main(void) { return bt_error(0); }
3331 EOF
3332   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3333   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3334   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3335     bluez=yes
3336     libs_softmmu="$bluez_libs $libs_softmmu"
3337   else
3338     if test "$bluez" = "yes" ; then
3339       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3340     fi
3341     bluez="no"
3342   fi
3343 fi
3344
3345 ##########################################
3346 # glib support probe
3347
3348 if test "$mingw32" = yes; then
3349     glib_req_ver=2.30
3350 else
3351     glib_req_ver=2.22
3352 fi
3353 glib_modules=gthread-2.0
3354 if test "$modules" = yes; then
3355     glib_modules="$glib_modules gmodule-2.0"
3356 fi
3357
3358 # This workaround is required due to a bug in pkg-config file for glib as it
3359 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3360
3361 if test "$static" = yes -a "$mingw32" = yes; then
3362     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3363 fi
3364
3365 for i in $glib_modules; do
3366     if $pkg_config --atleast-version=$glib_req_ver $i; then
3367         glib_cflags=$($pkg_config --cflags $i)
3368         glib_libs=$($pkg_config --libs $i)
3369         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3370         LIBS="$glib_libs $LIBS"
3371         libs_qga="$glib_libs $libs_qga"
3372     else
3373         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3374     fi
3375 done
3376
3377 # Sanity check that the current size_t matches the
3378 # size that glib thinks it should be. This catches
3379 # problems on multi-arch where people try to build
3380 # 32-bit QEMU while pointing at 64-bit glib headers
3381 cat > $TMPC <<EOF
3382 #include <glib.h>
3383 #include <unistd.h>
3384
3385 #define QEMU_BUILD_BUG_ON(x) \
3386   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3387
3388 int main(void) {
3389    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3390    return 0;
3391 }
3392 EOF
3393
3394 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3395     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3396                "You probably need to set PKG_CONFIG_LIBDIR"\
3397                "to point to the right pkg-config files for your"\
3398                "build target"
3399 fi
3400
3401 # g_test_trap_subprocess added in 2.38. Used by some tests.
3402 glib_subprocess=yes
3403 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3404     glib_subprocess=no
3405 fi
3406
3407 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3408 cat > $TMPC << EOF
3409 #include <glib.h>
3410 int main(void) { return 0; }
3411 EOF
3412 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3413     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3414         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3415         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3416     fi
3417 fi
3418
3419 ##########################################
3420 # SHA command probe for modules
3421 if test "$modules" = yes; then
3422     shacmd_probe="sha1sum sha1 shasum"
3423     for c in $shacmd_probe; do
3424         if has $c; then
3425             shacmd="$c"
3426             break
3427         fi
3428     done
3429     if test "$shacmd" = ""; then
3430         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3431     fi
3432 fi
3433
3434 ##########################################
3435 # pixman support probe
3436
3437 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3438   pixman_cflags=
3439   pixman_libs=
3440 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3441   pixman_cflags=$($pkg_config --cflags pixman-1)
3442   pixman_libs=$($pkg_config --libs pixman-1)
3443 else
3444   error_exit "pixman >= 0.21.8 not present." \
3445       "Please install the pixman devel package."
3446 fi
3447
3448 ##########################################
3449 # libmpathpersist probe
3450
3451 if test "$mpath" != "no" ; then
3452   cat > $TMPC <<EOF
3453 #include <libudev.h>
3454 #include <mpath_persist.h>
3455 unsigned mpath_mx_alloc_len = 1024;
3456 int logsink;
3457 static struct config *multipath_conf;
3458 extern struct udev *udev;
3459 extern struct config *get_multipath_config(void);
3460 extern void put_multipath_config(struct config *conf);
3461 struct udev *udev;
3462 struct config *get_multipath_config(void) { return multipath_conf; }
3463 void put_multipath_config(struct config *conf) { }
3464
3465 int main(void) {
3466     udev = udev_new();
3467     multipath_conf = mpath_lib_init();
3468     return 0;
3469 }
3470 EOF
3471   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3472     mpathpersist=yes
3473   else
3474     mpathpersist=no
3475   fi
3476 else
3477   mpathpersist=no
3478 fi
3479
3480 ##########################################
3481 # libcap probe
3482
3483 if test "$cap" != "no" ; then
3484   cat > $TMPC <<EOF
3485 #include <stdio.h>
3486 #include <sys/capability.h>
3487 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3488 EOF
3489   if compile_prog "" "-lcap" ; then
3490     cap=yes
3491   else
3492     cap=no
3493   fi
3494 fi
3495
3496 ##########################################
3497 # pthread probe
3498 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3499
3500 pthread=no
3501 cat > $TMPC << EOF
3502 #include <pthread.h>
3503 static void *f(void *p) { return NULL; }
3504 int main(void) {
3505   pthread_t thread;
3506   pthread_create(&thread, 0, f, 0);
3507   return 0;
3508 }
3509 EOF
3510 if compile_prog "" "" ; then
3511   pthread=yes
3512 else
3513   for pthread_lib in $PTHREADLIBS_LIST; do
3514     if compile_prog "" "$pthread_lib" ; then
3515       pthread=yes
3516       found=no
3517       for lib_entry in $LIBS; do
3518         if test "$lib_entry" = "$pthread_lib"; then
3519           found=yes
3520           break
3521         fi
3522       done
3523       if test "$found" = "no"; then
3524         LIBS="$pthread_lib $LIBS"
3525         libs_qga="$pthread_lib $libs_qga"
3526       fi
3527       PTHREAD_LIB="$pthread_lib"
3528       break
3529     fi
3530   done
3531 fi
3532
3533 if test "$mingw32" != yes -a "$pthread" = no; then
3534   error_exit "pthread check failed" \
3535       "Make sure to have the pthread libs and headers installed."
3536 fi
3537
3538 # check for pthread_setname_np
3539 pthread_setname_np=no
3540 cat > $TMPC << EOF
3541 #include <pthread.h>
3542
3543 static void *f(void *p) { return NULL; }
3544 int main(void)
3545 {
3546     pthread_t thread;
3547     pthread_create(&thread, 0, f, 0);
3548     pthread_setname_np(thread, "QEMU");
3549     return 0;
3550 }
3551 EOF
3552 if compile_prog "" "$pthread_lib" ; then
3553   pthread_setname_np=yes
3554 fi
3555
3556 ##########################################
3557 # rbd probe
3558 if test "$rbd" != "no" ; then
3559   cat > $TMPC <<EOF
3560 #include <stdio.h>
3561 #include <rbd/librbd.h>
3562 int main(void) {
3563     rados_t cluster;
3564     rados_create(&cluster, NULL);
3565     return 0;
3566 }
3567 EOF
3568   rbd_libs="-lrbd -lrados"
3569   if compile_prog "" "$rbd_libs" ; then
3570     rbd=yes
3571   else
3572     if test "$rbd" = "yes" ; then
3573       feature_not_found "rados block device" "Install librbd/ceph devel"
3574     fi
3575     rbd=no
3576   fi
3577 fi
3578
3579 ##########################################
3580 # libssh2 probe
3581 min_libssh2_version=1.2.8
3582 if test "$libssh2" != "no" ; then
3583   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3584     libssh2_cflags=$($pkg_config libssh2 --cflags)
3585     libssh2_libs=$($pkg_config libssh2 --libs)
3586     libssh2=yes
3587   else
3588     if test "$libssh2" = "yes" ; then
3589       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3590     fi
3591     libssh2=no
3592   fi
3593 fi
3594
3595 ##########################################
3596 # libssh2_sftp_fsync probe
3597
3598 if test "$libssh2" = "yes"; then
3599   cat > $TMPC <<EOF
3600 #include <stdio.h>
3601 #include <libssh2.h>
3602 #include <libssh2_sftp.h>
3603 int main(void) {
3604     LIBSSH2_SESSION *session;
3605     LIBSSH2_SFTP *sftp;
3606     LIBSSH2_SFTP_HANDLE *sftp_handle;
3607     session = libssh2_session_init ();
3608     sftp = libssh2_sftp_init (session);
3609     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3610     libssh2_sftp_fsync (sftp_handle);
3611     return 0;
3612 }
3613 EOF
3614   # libssh2_cflags/libssh2_libs defined in previous test.
3615   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3616     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3617   fi
3618 fi
3619
3620 ##########################################
3621 # linux-aio probe
3622
3623 if test "$linux_aio" != "no" ; then
3624   cat > $TMPC <<EOF
3625 #include <libaio.h>
3626 #include <sys/eventfd.h>
3627 #include <stddef.h>
3628 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3629 EOF
3630   if compile_prog "" "-laio" ; then
3631     linux_aio=yes
3632   else
3633     if test "$linux_aio" = "yes" ; then
3634       feature_not_found "linux AIO" "Install libaio devel"
3635     fi
3636     linux_aio=no
3637   fi
3638 fi
3639
3640 ##########################################
3641 # TPM passthrough is only on x86 Linux
3642
3643 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3644   tpm_passthrough=$tpm
3645 else
3646   tpm_passthrough=no
3647 fi
3648
3649 # TPM emulator is for all posix systems
3650 if test "$mingw32" != "yes"; then
3651   tpm_emulator=$tpm
3652 else
3653   tpm_emulator=no
3654 fi
3655 ##########################################
3656 # attr probe
3657
3658 if test "$attr" != "no" ; then
3659   cat > $TMPC <<EOF
3660 #include <stdio.h>
3661 #include <sys/types.h>
3662 #ifdef CONFIG_LIBATTR
3663 #include <attr/xattr.h>
3664 #else
3665 #include <sys/xattr.h>
3666 #endif
3667 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3668 EOF
3669   if compile_prog "" "" ; then
3670     attr=yes
3671   # Older distros have <attr/xattr.h>, and need -lattr:
3672   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3673     attr=yes
3674     LIBS="-lattr $LIBS"
3675     libattr=yes
3676   else
3677     if test "$attr" = "yes" ; then
3678       feature_not_found "ATTR" "Install libc6 or libattr devel"
3679     fi
3680     attr=no
3681   fi
3682 fi
3683
3684 ##########################################
3685 # iovec probe
3686 cat > $TMPC <<EOF
3687 #include <sys/types.h>
3688 #include <sys/uio.h>
3689 #include <unistd.h>
3690 int main(void) { return sizeof(struct iovec); }
3691 EOF
3692 iovec=no
3693 if compile_prog "" "" ; then
3694   iovec=yes
3695 fi
3696
3697 ##########################################
3698 # preadv probe
3699 cat > $TMPC <<EOF
3700 #include <sys/types.h>
3701 #include <sys/uio.h>
3702 #include <unistd.h>
3703 int main(void) { return preadv(0, 0, 0, 0); }
3704 EOF
3705 preadv=no
3706 if compile_prog "" "" ; then
3707   preadv=yes
3708 fi
3709
3710 ##########################################
3711 # fdt probe
3712 # fdt support is mandatory for at least some target architectures,
3713 # so insist on it if we're building those system emulators.
3714 fdt_required=no
3715 for target in $target_list; do
3716   case $target in
3717     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3718       fdt_required=yes
3719     ;;
3720   esac
3721 done
3722
3723 if test "$fdt_required" = "yes"; then
3724   if test "$fdt" = "no"; then
3725     error_exit "fdt disabled but some requested targets require it." \
3726       "You can turn off fdt only if you also disable all the system emulation" \
3727       "targets which need it (by specifying a cut down --target-list)."
3728   fi
3729   fdt=yes
3730 fi
3731
3732 if test "$fdt" != "no" ; then
3733   fdt_libs="-lfdt"
3734   # explicitly check for libfdt_env.h as it is missing in some stable installs
3735   # and test for required functions to make sure we are on a version >= 1.4.2
3736   cat > $TMPC << EOF
3737 #include <libfdt.h>
3738 #include <libfdt_env.h>
3739 int main(void) { fdt_first_subnode(0, 0); return 0; }
3740 EOF
3741   if compile_prog "" "$fdt_libs" ; then
3742     # system DTC is good - use it
3743     fdt=yes
3744   else
3745       # have GIT checkout, so activate dtc submodule
3746       if test -e "${source_path}/.git" ; then
3747           git_submodules="${git_submodules} dtc"
3748       fi
3749       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3750           fdt=yes
3751           dtc_internal="yes"
3752           mkdir -p dtc
3753           if [ "$pwd_is_source_path" != "y" ] ; then
3754               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3755               symlink "$source_path/dtc/scripts" "dtc/scripts"
3756           fi
3757           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3758           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3759       elif test "$fdt" = "yes" ; then
3760           # Not a git build & no libfdt found, prompt for system install
3761           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3762                      "Please install the DTC (libfdt) devel package"
3763       else
3764           # don't have and don't want
3765           fdt_libs=
3766           fdt=no
3767       fi
3768   fi
3769 fi
3770
3771 libs_softmmu="$libs_softmmu $fdt_libs"
3772
3773 ##########################################
3774 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3775
3776 if test "$opengl" != "no" ; then
3777   opengl_pkgs="epoxy libdrm gbm"
3778   if $pkg_config $opengl_pkgs; then
3779     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3780     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3781     opengl=yes
3782     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3783         gtk_gl="yes"
3784     fi
3785     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3786   else
3787     if test "$opengl" = "yes" ; then
3788       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3789     fi
3790     opengl_cflags=""
3791     opengl_libs=""
3792     opengl=no
3793   fi
3794 fi
3795
3796 if test "$opengl" = "yes"; then
3797   cat > $TMPC << EOF
3798 #include <epoxy/egl.h>
3799 #ifndef EGL_MESA_image_dma_buf_export
3800 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3801 #endif
3802 int main(void) { return 0; }
3803 EOF
3804   if compile_prog "" "" ; then
3805     opengl_dmabuf=yes
3806   fi
3807 fi
3808
3809 ##########################################
3810 # libxml2 probe
3811 if test "$libxml2" != "no" ; then
3812     if $pkg_config --exists libxml-2.0; then
3813         libxml2="yes"
3814         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3815         libxml2_libs=$($pkg_config --libs libxml-2.0)
3816     else
3817         if test "$libxml2" = "yes"; then
3818             feature_not_found "libxml2" "Install libxml2 devel"
3819         fi
3820         libxml2="no"
3821     fi
3822 fi
3823
3824 ##########################################
3825 # glusterfs probe
3826 if test "$glusterfs" != "no" ; then
3827   if $pkg_config --atleast-version=3 glusterfs-api; then
3828     glusterfs="yes"
3829     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3830     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3831     if $pkg_config --atleast-version=4 glusterfs-api; then
3832       glusterfs_xlator_opt="yes"
3833     fi
3834     if $pkg_config --atleast-version=5 glusterfs-api; then
3835       glusterfs_discard="yes"
3836     fi
3837     if $pkg_config --atleast-version=6 glusterfs-api; then
3838       glusterfs_fallocate="yes"
3839       glusterfs_zerofill="yes"
3840     fi
3841   else
3842     if test "$glusterfs" = "yes" ; then
3843       feature_not_found "GlusterFS backend support" \
3844           "Install glusterfs-api devel >= 3"
3845     fi
3846     glusterfs="no"
3847   fi
3848 fi
3849
3850 # Check for inotify functions when we are building linux-user
3851 # emulator.  This is done because older glibc versions don't
3852 # have syscall stubs for these implemented.  In that case we
3853 # don't provide them even if kernel supports them.
3854 #
3855 inotify=no
3856 cat > $TMPC << EOF
3857 #include <sys/inotify.h>
3858
3859 int
3860 main(void)
3861 {
3862         /* try to start inotify */
3863         return inotify_init();
3864 }
3865 EOF
3866 if compile_prog "" "" ; then
3867   inotify=yes
3868 fi
3869
3870 inotify1=no
3871 cat > $TMPC << EOF
3872 #include <sys/inotify.h>
3873
3874 int
3875 main(void)
3876 {
3877     /* try to start inotify */
3878     return inotify_init1(0);
3879 }
3880 EOF
3881 if compile_prog "" "" ; then
3882   inotify1=yes
3883 fi
3884
3885 # check if pipe2 is there
3886 pipe2=no
3887 cat > $TMPC << EOF
3888 #include <unistd.h>
3889 #include <fcntl.h>
3890
3891 int main(void)
3892 {
3893     int pipefd[2];
3894     return pipe2(pipefd, O_CLOEXEC);
3895 }
3896 EOF
3897 if compile_prog "" "" ; then
3898   pipe2=yes
3899 fi
3900
3901 # check if accept4 is there
3902 accept4=no
3903 cat > $TMPC << EOF
3904 #include <sys/socket.h>
3905 #include <stddef.h>
3906
3907 int main(void)
3908 {
3909     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3910     return 0;
3911 }
3912 EOF
3913 if compile_prog "" "" ; then
3914   accept4=yes
3915 fi
3916
3917 # check if tee/splice is there. vmsplice was added same time.
3918 splice=no
3919 cat > $TMPC << EOF
3920 #include <unistd.h>
3921 #include <fcntl.h>
3922 #include <limits.h>
3923
3924 int main(void)
3925 {
3926     int len, fd = 0;
3927     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3928     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3929     return 0;
3930 }
3931 EOF
3932 if compile_prog "" "" ; then
3933   splice=yes
3934 fi
3935
3936 ##########################################
3937 # libnuma probe
3938
3939 if test "$numa" != "no" ; then
3940   cat > $TMPC << EOF
3941 #include <numa.h>
3942 int main(void) { return numa_available(); }
3943 EOF
3944
3945   if compile_prog "" "-lnuma" ; then
3946     numa=yes
3947     libs_softmmu="-lnuma $libs_softmmu"
3948   else
3949     if test "$numa" = "yes" ; then
3950       feature_not_found "numa" "install numactl devel"
3951     fi
3952     numa=no
3953   fi
3954 fi
3955
3956 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3957     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3958     exit 1
3959 fi
3960
3961 # Even if malloc_trim() is available, these non-libc memory allocators
3962 # do not support it.
3963 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3964     if test "$malloc_trim" = "yes" ; then
3965         echo "Disabling malloc_trim with non-libc memory allocator"
3966     fi
3967     malloc_trim="no"
3968 fi
3969
3970 #######################################
3971 # malloc_trim
3972
3973 if test "$malloc_trim" != "no" ; then
3974     cat > $TMPC << EOF
3975 #include <malloc.h>
3976 int main(void) { malloc_trim(0); return 0; }
3977 EOF
3978     if compile_prog "" "" ; then
3979         malloc_trim="yes"
3980     else
3981         malloc_trim="no"
3982     fi
3983 fi
3984
3985 ##########################################
3986 # tcmalloc probe
3987
3988 if test "$tcmalloc" = "yes" ; then
3989   cat > $TMPC << EOF
3990 #include <stdlib.h>
3991 int main(void) { malloc(1); return 0; }
3992 EOF
3993
3994   if compile_prog "" "-ltcmalloc" ; then
3995     LIBS="-ltcmalloc $LIBS"
3996   else
3997     feature_not_found "tcmalloc" "install gperftools devel"
3998   fi
3999 fi
4000
4001 ##########################################
4002 # jemalloc probe
4003
4004 if test "$jemalloc" = "yes" ; then
4005   cat > $TMPC << EOF
4006 #include <stdlib.h>
4007 int main(void) { malloc(1); return 0; }
4008 EOF
4009
4010   if compile_prog "" "-ljemalloc" ; then
4011     LIBS="-ljemalloc $LIBS"
4012   else
4013     feature_not_found "jemalloc" "install jemalloc devel"
4014   fi
4015 fi
4016
4017 ##########################################
4018 # signalfd probe
4019 signalfd="no"
4020 cat > $TMPC << EOF
4021 #include <unistd.h>
4022 #include <sys/syscall.h>
4023 #include <signal.h>
4024 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4025 EOF
4026
4027 if compile_prog "" "" ; then
4028   signalfd=yes
4029 fi
4030
4031 # check if eventfd is supported
4032 eventfd=no
4033 cat > $TMPC << EOF
4034 #include <sys/eventfd.h>
4035
4036 int main(void)
4037 {
4038     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4039 }
4040 EOF
4041 if compile_prog "" "" ; then
4042   eventfd=yes
4043 fi
4044
4045 # check if memfd is supported
4046 memfd=no
4047 cat > $TMPC << EOF
4048 #include <sys/mman.h>
4049
4050 int main(void)
4051 {
4052     return memfd_create("foo", MFD_ALLOW_SEALING);
4053 }
4054 EOF
4055 if compile_prog "" "" ; then
4056   memfd=yes
4057 fi
4058
4059
4060
4061 # check for fallocate
4062 fallocate=no
4063 cat > $TMPC << EOF
4064 #include <fcntl.h>
4065
4066 int main(void)
4067 {
4068     fallocate(0, 0, 0, 0);
4069     return 0;
4070 }
4071 EOF
4072 if compile_prog "" "" ; then
4073   fallocate=yes
4074 fi
4075
4076 # check for fallocate hole punching
4077 fallocate_punch_hole=no
4078 cat > $TMPC << EOF
4079 #include <fcntl.h>
4080 #include <linux/falloc.h>
4081
4082 int main(void)
4083 {
4084     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4085     return 0;
4086 }
4087 EOF
4088 if compile_prog "" "" ; then
4089   fallocate_punch_hole=yes
4090 fi
4091
4092 # check that fallocate supports range zeroing inside the file
4093 fallocate_zero_range=no
4094 cat > $TMPC << EOF
4095 #include <fcntl.h>
4096 #include <linux/falloc.h>
4097
4098 int main(void)
4099 {
4100     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4101     return 0;
4102 }
4103 EOF
4104 if compile_prog "" "" ; then
4105   fallocate_zero_range=yes
4106 fi
4107
4108 # check for posix_fallocate
4109 posix_fallocate=no
4110 cat > $TMPC << EOF
4111 #include <fcntl.h>
4112
4113 int main(void)
4114 {
4115     posix_fallocate(0, 0, 0);
4116     return 0;
4117 }
4118 EOF
4119 if compile_prog "" "" ; then
4120     posix_fallocate=yes
4121 fi
4122
4123 # check for sync_file_range
4124 sync_file_range=no
4125 cat > $TMPC << EOF
4126 #include <fcntl.h>
4127
4128 int main(void)
4129 {
4130     sync_file_range(0, 0, 0, 0);
4131     return 0;
4132 }
4133 EOF
4134 if compile_prog "" "" ; then
4135   sync_file_range=yes
4136 fi
4137
4138 # check for linux/fiemap.h and FS_IOC_FIEMAP
4139 fiemap=no
4140 cat > $TMPC << EOF
4141 #include <sys/ioctl.h>
4142 #include <linux/fs.h>
4143 #include <linux/fiemap.h>
4144
4145 int main(void)
4146 {
4147     ioctl(0, FS_IOC_FIEMAP, 0);
4148     return 0;
4149 }
4150 EOF
4151 if compile_prog "" "" ; then
4152   fiemap=yes
4153 fi
4154
4155 # check for dup3
4156 dup3=no
4157 cat > $TMPC << EOF
4158 #include <unistd.h>
4159
4160 int main(void)
4161 {
4162     dup3(0, 0, 0);
4163     return 0;
4164 }
4165 EOF
4166 if compile_prog "" "" ; then
4167   dup3=yes
4168 fi
4169
4170 # check for ppoll support
4171 ppoll=no
4172 cat > $TMPC << EOF
4173 #include <poll.h>
4174
4175 int main(void)
4176 {
4177     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4178     ppoll(&pfd, 1, 0, 0);
4179     return 0;
4180 }
4181 EOF
4182 if compile_prog "" "" ; then
4183   ppoll=yes
4184 fi
4185
4186 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4187 prctl_pr_set_timerslack=no
4188 cat > $TMPC << EOF
4189 #include <sys/prctl.h>
4190
4191 int main(void)
4192 {
4193     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4194     return 0;
4195 }
4196 EOF
4197 if compile_prog "" "" ; then
4198   prctl_pr_set_timerslack=yes
4199 fi
4200
4201 # check for epoll support
4202 epoll=no
4203 cat > $TMPC << EOF
4204 #include <sys/epoll.h>
4205
4206 int main(void)
4207 {
4208     epoll_create(0);
4209     return 0;
4210 }
4211 EOF
4212 if compile_prog "" "" ; then
4213   epoll=yes
4214 fi
4215
4216 # epoll_create1 is a later addition
4217 # so we must check separately for its presence
4218 epoll_create1=no
4219 cat > $TMPC << EOF
4220 #include <sys/epoll.h>
4221
4222 int main(void)
4223 {
4224     /* Note that we use epoll_create1 as a value, not as
4225      * a function being called. This is necessary so that on
4226      * old SPARC glibc versions where the function was present in
4227      * the library but not declared in the header file we will
4228      * fail the configure check. (Otherwise we will get a compiler
4229      * warning but not an error, and will proceed to fail the
4230      * qemu compile where we compile with -Werror.)
4231      */
4232     return (int)(uintptr_t)&epoll_create1;
4233 }
4234 EOF
4235 if compile_prog "" "" ; then
4236   epoll_create1=yes
4237 fi
4238
4239 # check for sendfile support
4240 sendfile=no
4241 cat > $TMPC << EOF
4242 #include <sys/sendfile.h>
4243
4244 int main(void)
4245 {
4246     return sendfile(0, 0, 0, 0);
4247 }
4248 EOF
4249 if compile_prog "" "" ; then
4250   sendfile=yes
4251 fi
4252
4253 # check for timerfd support (glibc 2.8 and newer)
4254 timerfd=no
4255 cat > $TMPC << EOF
4256 #include <sys/timerfd.h>
4257
4258 int main(void)
4259 {
4260     return(timerfd_create(CLOCK_REALTIME, 0));
4261 }
4262 EOF
4263 if compile_prog "" "" ; then
4264   timerfd=yes
4265 fi
4266
4267 # check for setns and unshare support
4268 setns=no
4269 cat > $TMPC << EOF
4270 #include <sched.h>
4271
4272 int main(void)
4273 {
4274     int ret;
4275     ret = setns(0, 0);
4276     ret = unshare(0);
4277     return ret;
4278 }
4279 EOF
4280 if compile_prog "" "" ; then
4281   setns=yes
4282 fi
4283
4284 # clock_adjtime probe
4285 clock_adjtime=no
4286 cat > $TMPC <<EOF
4287 #include <time.h>
4288
4289 int main(void)
4290 {
4291     return clock_adjtime(0, 0);
4292 }
4293 EOF
4294 clock_adjtime=no
4295 if compile_prog "" "" ; then
4296   clock_adjtime=yes
4297 fi
4298
4299 # syncfs probe
4300 syncfs=no
4301 cat > $TMPC <<EOF
4302 #include <unistd.h>
4303
4304 int main(void)
4305 {
4306     return syncfs(0);
4307 }
4308 EOF
4309 syncfs=no
4310 if compile_prog "" "" ; then
4311   syncfs=yes
4312 fi
4313
4314 # Check if tools are available to build documentation.
4315 if test "$docs" != "no" ; then
4316   if has makeinfo && has pod2man; then
4317     docs=yes
4318   else
4319     if test "$docs" = "yes" ; then
4320       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4321     fi
4322     docs=no
4323   fi
4324 fi
4325
4326 # Search for bswap_32 function
4327 byteswap_h=no
4328 cat > $TMPC << EOF
4329 #include <byteswap.h>
4330 int main(void) { return bswap_32(0); }
4331 EOF
4332 if compile_prog "" "" ; then
4333   byteswap_h=yes
4334 fi
4335
4336 # Search for bswap32 function
4337 bswap_h=no
4338 cat > $TMPC << EOF
4339 #include <sys/endian.h>
4340 #include <sys/types.h>
4341 #include <machine/bswap.h>
4342 int main(void) { return bswap32(0); }
4343 EOF
4344 if compile_prog "" "" ; then
4345   bswap_h=yes
4346 fi
4347
4348 ##########################################
4349 # Do we have libiscsi >= 1.9.0
4350 if test "$libiscsi" != "no" ; then
4351   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4352     libiscsi="yes"
4353     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4354     libiscsi_libs=$($pkg_config --libs libiscsi)
4355   else
4356     if test "$libiscsi" = "yes" ; then
4357       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4358     fi
4359     libiscsi="no"
4360   fi
4361 fi
4362
4363 ##########################################
4364 # Do we need libm
4365 cat > $TMPC << EOF
4366 #include <math.h>
4367 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4368 EOF
4369 if compile_prog "" "" ; then
4370   :
4371 elif compile_prog "" "-lm" ; then
4372   LIBS="-lm $LIBS"
4373   libs_qga="-lm $libs_qga"
4374 else
4375   error_exit "libm check failed"
4376 fi
4377
4378 ##########################################
4379 # Do we need librt
4380 # uClibc provides 2 versions of clock_gettime(), one with realtime
4381 # support and one without. This means that the clock_gettime() don't
4382 # need -lrt. We still need it for timer_create() so we check for this
4383 # function in addition.
4384 cat > $TMPC <<EOF
4385 #include <signal.h>
4386 #include <time.h>
4387 int main(void) {
4388   timer_create(CLOCK_REALTIME, NULL, NULL);
4389   return clock_gettime(CLOCK_REALTIME, NULL);
4390 }
4391 EOF
4392
4393 if compile_prog "" "" ; then
4394   :
4395 # we need pthread for static linking. use previous pthread test result
4396 elif compile_prog "" "$pthread_lib -lrt" ; then
4397   LIBS="$LIBS -lrt"
4398   libs_qga="$libs_qga -lrt"
4399 fi
4400
4401 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4402         "$haiku" != "yes" ; then
4403     libs_softmmu="-lutil $libs_softmmu"
4404 fi
4405
4406 ##########################################
4407 # spice probe
4408 if test "$spice" != "no" ; then
4409   cat > $TMPC << EOF
4410 #include <spice.h>
4411 int main(void) { spice_server_new(); return 0; }
4412 EOF
4413   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4414   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4415   if $pkg_config --atleast-version=0.12.0 spice-server && \
4416      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4417      compile_prog "$spice_cflags" "$spice_libs" ; then
4418     spice="yes"
4419     libs_softmmu="$libs_softmmu $spice_libs"
4420     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4421     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4422     spice_server_version=$($pkg_config --modversion spice-server)
4423   else
4424     if test "$spice" = "yes" ; then
4425       feature_not_found "spice" \
4426           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4427     fi
4428     spice="no"
4429   fi
4430 fi
4431
4432 # check for smartcard support
4433 if test "$smartcard" != "no"; then
4434     if $pkg_config libcacard; then
4435         libcacard_cflags=$($pkg_config --cflags libcacard)
4436         libcacard_libs=$($pkg_config --libs libcacard)
4437         smartcard="yes"
4438     else
4439         if test "$smartcard" = "yes"; then
4440             feature_not_found "smartcard" "Install libcacard devel"
4441         fi
4442         smartcard="no"
4443     fi
4444 fi
4445
4446 # check for libusb
4447 if test "$libusb" != "no" ; then
4448     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4449         libusb="yes"
4450         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4451         libusb_libs=$($pkg_config --libs libusb-1.0)
4452     else
4453         if test "$libusb" = "yes"; then
4454             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4455         fi
4456         libusb="no"
4457     fi
4458 fi
4459
4460 # check for usbredirparser for usb network redirection support
4461 if test "$usb_redir" != "no" ; then
4462     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4463         usb_redir="yes"
4464         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4465         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4466     else
4467         if test "$usb_redir" = "yes"; then
4468             feature_not_found "usb-redir" "Install usbredir devel"
4469         fi
4470         usb_redir="no"
4471     fi
4472 fi
4473
4474 ##########################################
4475 # check if we have VSS SDK headers for win
4476
4477 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4478   case "$vss_win32_sdk" in
4479     "")   vss_win32_include="-isystem $source_path" ;;
4480     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4481           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4482           vss_win32_include="-isystem $source_path/.sdk/vss"
4483           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4484           ;;
4485     *)    vss_win32_include="-isystem $vss_win32_sdk"
4486   esac
4487   cat > $TMPC << EOF
4488 #define __MIDL_user_allocate_free_DEFINED__
4489 #include <inc/win2003/vss.h>
4490 int main(void) { return VSS_CTX_BACKUP; }
4491 EOF
4492   if compile_prog "$vss_win32_include" "" ; then
4493     guest_agent_with_vss="yes"
4494     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4495     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4496     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4497   else
4498     if test "$vss_win32_sdk" != "" ; then
4499       echo "ERROR: Please download and install Microsoft VSS SDK:"
4500       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4501       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4502       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4503       echo "ERROR: The headers are extracted in the directory \`inc'."
4504       feature_not_found "VSS support"
4505     fi
4506     guest_agent_with_vss="no"
4507   fi
4508 fi
4509
4510 ##########################################
4511 # lookup Windows platform SDK (if not specified)
4512 # The SDK is needed only to build .tlb (type library) file of guest agent
4513 # VSS provider from the source. It is usually unnecessary because the
4514 # pre-compiled .tlb file is included.
4515
4516 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4517   if test -z "$win_sdk"; then
4518     programfiles="$PROGRAMFILES"
4519     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4520     if test -n "$programfiles"; then
4521       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4522     else
4523       feature_not_found "Windows SDK"
4524     fi
4525   elif test "$win_sdk" = "no"; then
4526     win_sdk=""
4527   fi
4528 fi
4529
4530 ##########################################
4531 # check if mingw environment provides a recent ntddscsi.h
4532 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4533   cat > $TMPC << EOF
4534 #include <windows.h>
4535 #include <ntddscsi.h>
4536 int main(void) {
4537 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4538 #error Missing required ioctl definitions
4539 #endif
4540   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4541   return addr.Lun;
4542 }
4543 EOF
4544   if compile_prog "" "" ; then
4545     guest_agent_ntddscsi=yes
4546     libs_qga="-lsetupapi $libs_qga"
4547   fi
4548 fi
4549
4550 ##########################################
4551 # virgl renderer probe
4552
4553 if test "$virglrenderer" != "no" ; then
4554   cat > $TMPC << EOF
4555 #include <virglrenderer.h>
4556 int main(void) { virgl_renderer_poll(); return 0; }
4557 EOF
4558   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4559   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4560   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4561      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4562     virglrenderer="yes"
4563   else
4564     if test "$virglrenderer" = "yes" ; then
4565       feature_not_found "virglrenderer"
4566     fi
4567     virglrenderer="no"
4568   fi
4569 fi
4570
4571 ##########################################
4572 # capstone
4573
4574 case "$capstone" in
4575   "" | yes)
4576     if $pkg_config capstone; then
4577       capstone=system
4578     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4579       capstone=git
4580     elif test -e "${source_path}/capstone/Makefile" ; then
4581       capstone=internal
4582     elif test -z "$capstone" ; then
4583       capstone=no
4584     else
4585       feature_not_found "capstone" "Install capstone devel or git submodule"
4586     fi
4587     ;;
4588
4589   system)
4590     if ! $pkg_config capstone; then
4591       feature_not_found "capstone" "Install capstone devel"
4592     fi
4593     ;;
4594 esac
4595
4596 case "$capstone" in
4597   git | internal)
4598     if test "$capstone" = git; then
4599       git_submodules="${git_submodules} capstone"
4600     fi
4601     mkdir -p capstone
4602     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4603     if test "$mingw32" = "yes"; then
4604       LIBCAPSTONE=capstone.lib
4605     else
4606       LIBCAPSTONE=libcapstone.a
4607     fi
4608     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4609     ;;
4610
4611   system)
4612     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4613     LIBS="$($pkg_config --libs capstone) $LIBS"
4614     ;;
4615
4616   no)
4617     ;;
4618   *)
4619     error_exit "Unknown state for capstone: $capstone"
4620     ;;
4621 esac
4622
4623 ##########################################
4624 # check if we have fdatasync
4625
4626 fdatasync=no
4627 cat > $TMPC << EOF
4628 #include <unistd.h>
4629 int main(void) {
4630 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4631 return fdatasync(0);
4632 #else
4633 #error Not supported
4634 #endif
4635 }
4636 EOF
4637 if compile_prog "" "" ; then
4638     fdatasync=yes
4639 fi
4640
4641 ##########################################
4642 # check if we have madvise
4643
4644 madvise=no
4645 cat > $TMPC << EOF
4646 #include <sys/types.h>
4647 #include <sys/mman.h>
4648 #include <stddef.h>
4649 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4650 EOF
4651 if compile_prog "" "" ; then
4652     madvise=yes
4653 fi
4654
4655 ##########################################
4656 # check if we have posix_madvise
4657
4658 posix_madvise=no
4659 cat > $TMPC << EOF
4660 #include <sys/mman.h>
4661 #include <stddef.h>
4662 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4663 EOF
4664 if compile_prog "" "" ; then
4665     posix_madvise=yes
4666 fi
4667
4668 ##########################################
4669 # check if we have posix_memalign()
4670
4671 posix_memalign=no
4672 cat > $TMPC << EOF
4673 #include <stdlib.h>
4674 int main(void) {
4675     void *p;
4676     return posix_memalign(&p, 8, 8);
4677 }
4678 EOF
4679 if compile_prog "" "" ; then
4680     posix_memalign=yes
4681 fi
4682
4683 ##########################################
4684 # check if we have posix_syslog
4685
4686 posix_syslog=no
4687 cat > $TMPC << EOF
4688 #include <syslog.h>
4689 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4690 EOF
4691 if compile_prog "" "" ; then
4692     posix_syslog=yes
4693 fi
4694
4695 ##########################################
4696 # check if we have sem_timedwait
4697
4698 sem_timedwait=no
4699 cat > $TMPC << EOF
4700 #include <semaphore.h>
4701 int main(void) { return sem_timedwait(0, 0); }
4702 EOF
4703 if compile_prog "" "" ; then
4704     sem_timedwait=yes
4705 fi
4706
4707 ##########################################
4708 # check if trace backend exists
4709
4710 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4711 if test "$?" -ne 0 ; then
4712   error_exit "invalid trace backends" \
4713       "Please choose supported trace backends."
4714 fi
4715
4716 ##########################################
4717 # For 'ust' backend, test if ust headers are present
4718 if have_backend "ust"; then
4719   cat > $TMPC << EOF
4720 #include <lttng/tracepoint.h>
4721 int main(void) { return 0; }
4722 EOF
4723   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4724     if $pkg_config lttng-ust --exists; then
4725       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4726     else
4727       lttng_ust_libs="-llttng-ust -ldl"
4728     fi
4729     if $pkg_config liburcu-bp --exists; then
4730       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4731     else
4732       urcu_bp_libs="-lurcu-bp"
4733     fi
4734
4735     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4736     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4737   else
4738     error_exit "Trace backend 'ust' missing lttng-ust header files"
4739   fi
4740 fi
4741
4742 ##########################################
4743 # For 'dtrace' backend, test if 'dtrace' command is present
4744 if have_backend "dtrace"; then
4745   if ! has 'dtrace' ; then
4746     error_exit "dtrace command is not found in PATH $PATH"
4747   fi
4748   trace_backend_stap="no"
4749   if has 'stap' ; then
4750     trace_backend_stap="yes"
4751   fi
4752 fi
4753
4754 ##########################################
4755 # check and set a backend for coroutine
4756
4757 # We prefer ucontext, but it's not always possible. The fallback
4758 # is sigcontext. On Windows the only valid backend is the Windows
4759 # specific one.
4760
4761 ucontext_works=no
4762 if test "$darwin" != "yes"; then
4763   cat > $TMPC << EOF
4764 #include <ucontext.h>
4765 #ifdef __stub_makecontext
4766 #error Ignoring glibc stub makecontext which will always fail
4767 #endif
4768 int main(void) { makecontext(0, 0, 0); return 0; }
4769 EOF
4770   if compile_prog "" "" ; then
4771     ucontext_works=yes
4772   fi
4773 fi
4774
4775 if test "$coroutine" = ""; then
4776   if test "$mingw32" = "yes"; then
4777     coroutine=win32
4778   elif test "$ucontext_works" = "yes"; then
4779     coroutine=ucontext
4780   else
4781     coroutine=sigaltstack
4782   fi
4783 else
4784   case $coroutine in
4785   windows)
4786     if test "$mingw32" != "yes"; then
4787       error_exit "'windows' coroutine backend only valid for Windows"
4788     fi
4789     # Unfortunately the user visible backend name doesn't match the
4790     # coroutine-*.c filename for this case, so we have to adjust it here.
4791     coroutine=win32
4792     ;;
4793   ucontext)
4794     if test "$ucontext_works" != "yes"; then
4795       feature_not_found "ucontext"
4796     fi
4797     ;;
4798   sigaltstack)
4799     if test "$mingw32" = "yes"; then
4800       error_exit "only the 'windows' coroutine backend is valid for Windows"
4801     fi
4802     ;;
4803   *)
4804     error_exit "unknown coroutine backend $coroutine"
4805     ;;
4806   esac
4807 fi
4808
4809 if test "$coroutine_pool" = ""; then
4810   coroutine_pool=yes
4811 fi
4812
4813 if test "$debug_stack_usage" = "yes"; then
4814   if test "$coroutine_pool" = "yes"; then
4815     echo "WARN: disabling coroutine pool for stack usage debugging"
4816     coroutine_pool=no
4817   fi
4818 fi
4819
4820
4821 ##########################################
4822 # check if we have open_by_handle_at
4823
4824 open_by_handle_at=no
4825 cat > $TMPC << EOF
4826 #include <fcntl.h>
4827 #if !defined(AT_EMPTY_PATH)
4828 # error missing definition
4829 #else
4830 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4831 #endif
4832 EOF
4833 if compile_prog "" "" ; then
4834     open_by_handle_at=yes
4835 fi
4836
4837 ########################################
4838 # check if we have linux/magic.h
4839
4840 linux_magic_h=no
4841 cat > $TMPC << EOF
4842 #include <linux/magic.h>
4843 int main(void) {
4844   return 0;
4845 }
4846 EOF
4847 if compile_prog "" "" ; then
4848     linux_magic_h=yes
4849 fi
4850
4851 ########################################
4852 # check whether we can disable warning option with a pragma (this is needed
4853 # to silence warnings in the headers of some versions of external libraries).
4854 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4855 # only a warning.
4856 #
4857 # If we can't selectively disable warning in the code, disable -Werror so that
4858 # the build doesn't fail anyway.
4859
4860 pragma_disable_unused_but_set=no
4861 cat > $TMPC << EOF
4862 #pragma GCC diagnostic push
4863 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4864 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4865 #pragma GCC diagnostic pop
4866
4867 int main(void) {
4868     return 0;
4869 }
4870 EOF
4871 if compile_prog "-Werror" "" ; then
4872     pragma_diagnostic_available=yes
4873 else
4874     werror=no
4875 fi
4876
4877 ########################################
4878 # check if we have valgrind/valgrind.h
4879
4880 valgrind_h=no
4881 cat > $TMPC << EOF
4882 #include <valgrind/valgrind.h>
4883 int main(void) {
4884   return 0;
4885 }
4886 EOF
4887 if compile_prog "" "" ; then
4888     valgrind_h=yes
4889 fi
4890
4891 ########################################
4892 # check if environ is declared
4893
4894 has_environ=no
4895 cat > $TMPC << EOF
4896 #include <unistd.h>
4897 int main(void) {
4898     environ = 0;
4899     return 0;
4900 }
4901 EOF
4902 if compile_prog "" "" ; then
4903     has_environ=yes
4904 fi
4905
4906 ########################################
4907 # check if cpuid.h is usable.
4908
4909 cat > $TMPC << EOF
4910 #include <cpuid.h>
4911 int main(void) {
4912     unsigned a, b, c, d;
4913     int max = __get_cpuid_max(0, 0);
4914
4915     if (max >= 1) {
4916         __cpuid(1, a, b, c, d);
4917     }
4918
4919     if (max >= 7) {
4920         __cpuid_count(7, 0, a, b, c, d);
4921     }
4922
4923     return 0;
4924 }
4925 EOF
4926 if compile_prog "" "" ; then
4927     cpuid_h=yes
4928 fi
4929
4930 ##########################################
4931 # avx2 optimization requirement check
4932 #
4933 # There is no point enabling this if cpuid.h is not usable,
4934 # since we won't be able to select the new routines.
4935
4936 if test $cpuid_h = yes; then
4937   cat > $TMPC << EOF
4938 #pragma GCC push_options
4939 #pragma GCC target("avx2")
4940 #include <cpuid.h>
4941 #include <immintrin.h>
4942 static int bar(void *a) {
4943     __m256i x = *(__m256i *)a;
4944     return _mm256_testz_si256(x, x);
4945 }
4946 int main(int argc, char *argv[]) { return bar(argv[0]); }
4947 EOF
4948   if compile_object "" ; then
4949     avx2_opt="yes"
4950   fi
4951 fi
4952
4953 ########################################
4954 # check if __[u]int128_t is usable.
4955
4956 int128=no
4957 cat > $TMPC << EOF
4958 #if defined(__clang_major__) && defined(__clang_minor__)
4959 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4960 #  error __int128_t does not work in CLANG before 3.2
4961 # endif
4962 #endif
4963 __int128_t a;
4964 __uint128_t b;
4965 int main (void) {
4966   a = a + b;
4967   b = a * b;
4968   a = a * a;
4969   return 0;
4970 }
4971 EOF
4972 if compile_prog "" "" ; then
4973     int128=yes
4974 fi
4975
4976 #########################################
4977 # See if 128-bit atomic operations are supported.
4978
4979 atomic128=no
4980 if test "$int128" = "yes"; then
4981   cat > $TMPC << EOF
4982 int main(void)
4983 {
4984   unsigned __int128 x = 0, y = 0;
4985   y = __atomic_load_16(&x, 0);
4986   __atomic_store_16(&x, y, 0);
4987   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4988   return 0;
4989 }
4990 EOF
4991   if compile_prog "" "" ; then
4992     atomic128=yes
4993   fi
4994 fi
4995
4996 #########################################
4997 # See if 64-bit atomic operations are supported.
4998 # Note that without __atomic builtins, we can only
4999 # assume atomic loads/stores max at pointer size.
5000
5001 cat > $TMPC << EOF
5002 #include <stdint.h>
5003 int main(void)
5004 {
5005   uint64_t x = 0, y = 0;
5006 #ifdef __ATOMIC_RELAXED
5007   y = __atomic_load_8(&x, 0);
5008   __atomic_store_8(&x, y, 0);
5009   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5010   __atomic_exchange_8(&x, y, 0);
5011   __atomic_fetch_add_8(&x, y, 0);
5012 #else
5013   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5014   __sync_lock_test_and_set(&x, y);
5015   __sync_val_compare_and_swap(&x, y, 0);
5016   __sync_fetch_and_add(&x, y);
5017 #endif
5018   return 0;
5019 }
5020 EOF
5021 if compile_prog "" "" ; then
5022   atomic64=yes
5023 fi
5024
5025 ########################################
5026 # See if 16-byte vector operations are supported.
5027 # Even without a vector unit the compiler may expand these.
5028 # There is a bug in old GCC for PPC that crashes here.
5029 # Unfortunately it's the system compiler for Centos 7.
5030
5031 cat > $TMPC << EOF
5032 typedef unsigned char U1 __attribute__((vector_size(16)));
5033 typedef unsigned short U2 __attribute__((vector_size(16)));
5034 typedef unsigned int U4 __attribute__((vector_size(16)));
5035 typedef unsigned long long U8 __attribute__((vector_size(16)));
5036 typedef signed char S1 __attribute__((vector_size(16)));
5037 typedef signed short S2 __attribute__((vector_size(16)));
5038 typedef signed int S4 __attribute__((vector_size(16)));
5039 typedef signed long long S8 __attribute__((vector_size(16)));
5040 static U1 a1, b1;
5041 static U2 a2, b2;
5042 static U4 a4, b4;
5043 static U8 a8, b8;
5044 static S1 c1;
5045 static S2 c2;
5046 static S4 c4;
5047 static S8 c8;
5048 static int i;
5049 int main(void)
5050 {
5051   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5052   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5053   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5054   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5055   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5056   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5057   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5058   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5059   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5060   return 0;
5061 }
5062 EOF
5063
5064 vector16=no
5065 if compile_prog "" "" ; then
5066   vector16=yes
5067 fi
5068
5069 ########################################
5070 # check if getauxval is available.
5071
5072 getauxval=no
5073 cat > $TMPC << EOF
5074 #include <sys/auxv.h>
5075 int main(void) {
5076   return getauxval(AT_HWCAP) == 0;
5077 }
5078 EOF
5079 if compile_prog "" "" ; then
5080     getauxval=yes
5081 fi
5082
5083 ########################################
5084 # check if ccache is interfering with
5085 # semantic analysis of macros
5086
5087 unset CCACHE_CPP2
5088 ccache_cpp2=no
5089 cat > $TMPC << EOF
5090 static const int Z = 1;
5091 #define fn() ({ Z; })
5092 #define TAUT(X) ((X) == Z)
5093 #define PAREN(X, Y) (X == Y)
5094 #define ID(X) (X)
5095 int main(int argc, char *argv[])
5096 {
5097     int x = 0, y = 0;
5098     x = ID(x);
5099     x = fn();
5100     fn();
5101     if (PAREN(x, y)) return 0;
5102     if (TAUT(Z)) return 0;
5103     return 0;
5104 }
5105 EOF
5106
5107 if ! compile_object "-Werror"; then
5108     ccache_cpp2=yes
5109 fi
5110
5111 #################################################
5112 # clang does not support glibc + FORTIFY_SOURCE.
5113
5114 if test "$fortify_source" != "no"; then
5115   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5116     fortify_source="no";
5117   elif test -n "$cxx" && has $cxx &&
5118        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5119     fortify_source="no";
5120   else
5121     fortify_source="yes"
5122   fi
5123 fi
5124
5125 ##########################################
5126 # check if struct fsxattr is available via linux/fs.h
5127
5128 have_fsxattr=no
5129 cat > $TMPC << EOF
5130 #include <linux/fs.h>
5131 struct fsxattr foo;
5132 int main(void) {
5133   return 0;
5134 }
5135 EOF
5136 if compile_prog "" "" ; then
5137     have_fsxattr=yes
5138 fi
5139
5140 ##########################################
5141 # check if rtnetlink.h exists and is useful
5142 have_rtnetlink=no
5143 cat > $TMPC << EOF
5144 #include <linux/rtnetlink.h>
5145 int main(void) {
5146   return IFLA_PROTO_DOWN;
5147 }
5148 EOF
5149 if compile_prog "" "" ; then
5150     have_rtnetlink=yes
5151 fi
5152
5153 ##########################################
5154 # check for usable AF_VSOCK environment
5155 have_af_vsock=no
5156 cat > $TMPC << EOF
5157 #include <errno.h>
5158 #include <sys/types.h>
5159 #include <sys/socket.h>
5160 #if !defined(AF_VSOCK)
5161 # error missing AF_VSOCK flag
5162 #endif
5163 #include <linux/vm_sockets.h>
5164 int main(void) {
5165     int sock, ret;
5166     struct sockaddr_vm svm;
5167     socklen_t len = sizeof(svm);
5168     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5169     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5170     if ((ret == -1) && (errno == ENOTCONN)) {
5171         return 0;
5172     }
5173     return -1;
5174 }
5175 EOF
5176 if compile_prog "" "" ; then
5177     have_af_vsock=yes
5178 fi
5179
5180 ##########################################
5181 # check for usable AF_ALG environment
5182 hava_afalg=no
5183 cat > $TMPC << EOF
5184 #include <errno.h>
5185 #include <sys/types.h>
5186 #include <sys/socket.h>
5187 #include <linux/if_alg.h>
5188 int main(void) {
5189     int sock;
5190     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5191     return sock;
5192 }
5193 EOF
5194 if compile_prog "" "" ; then
5195     have_afalg=yes
5196 fi
5197 if test "$crypto_afalg" = "yes"
5198 then
5199     if test "$have_afalg" != "yes"
5200     then
5201         error_exit "AF_ALG requested but could not be detected"
5202     fi
5203 fi
5204
5205
5206 #################################################
5207 # Check to see if we have the Hypervisor framework
5208 if [ "$darwin" = "yes" ] ; then
5209   cat > $TMPC << EOF
5210 #include <Hypervisor/hv.h>
5211 int main() { return 0;}
5212 EOF
5213   if ! compile_object ""; then
5214     hvf='no'
5215   else
5216     hvf='yes'
5217     LDFLAGS="-framework Hypervisor $LDFLAGS"
5218   fi
5219 fi
5220
5221 #################################################
5222 # Sparc implicitly links with --relax, which is
5223 # incompatible with -r, so --no-relax should be
5224 # given. It does no harm to give it on other
5225 # platforms too.
5226
5227 # Note: the prototype is needed since QEMU_CFLAGS
5228 #       contains -Wmissing-prototypes
5229 cat > $TMPC << EOF
5230 extern int foo(void);
5231 int foo(void) { return 0; }
5232 EOF
5233 if ! compile_object ""; then
5234   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5235 fi
5236 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5237   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5238     LD_REL_FLAGS=$i
5239     break
5240   fi
5241 done
5242 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5243   feature_not_found "modules" "Cannot find how to build relocatable objects"
5244 fi
5245
5246 ##########################################
5247 # check for sysmacros.h
5248
5249 have_sysmacros=no
5250 cat > $TMPC << EOF
5251 #include <sys/sysmacros.h>
5252 int main(void) {
5253     return makedev(0, 0);
5254 }
5255 EOF
5256 if compile_prog "" "" ; then
5257     have_sysmacros=yes
5258 fi
5259
5260 ##########################################
5261 # Veritas HyperScale block driver VxHS
5262 # Check if libvxhs is installed
5263
5264 if test "$vxhs" != "no" ; then
5265   cat > $TMPC <<EOF
5266 #include <stdint.h>
5267 #include <qnio/qnio_api.h>
5268
5269 void *vxhs_callback;
5270
5271 int main(void) {
5272     iio_init(QNIO_VERSION, vxhs_callback);
5273     return 0;
5274 }
5275 EOF
5276   vxhs_libs="-lvxhs -lssl"
5277   if compile_prog "" "$vxhs_libs" ; then
5278     vxhs=yes
5279   else
5280     if test "$vxhs" = "yes" ; then
5281       feature_not_found "vxhs block device" "Install libvxhs See github"
5282     fi
5283     vxhs=no
5284   fi
5285 fi
5286
5287 ##########################################
5288 # check for _Static_assert()
5289
5290 have_static_assert=no
5291 cat > $TMPC << EOF
5292 _Static_assert(1, "success");
5293 int main(void) {
5294     return 0;
5295 }
5296 EOF
5297 if compile_prog "" "" ; then
5298     have_static_assert=yes
5299 fi
5300
5301 ##########################################
5302 # check for utmpx.h, it is missing e.g. on OpenBSD
5303
5304 have_utmpx=no
5305 cat > $TMPC << EOF
5306 #include <utmpx.h>
5307 struct utmpx user_info;
5308 int main(void) {
5309     return 0;
5310 }
5311 EOF
5312 if compile_prog "" "" ; then
5313     have_utmpx=yes
5314 fi
5315
5316 ##########################################
5317 # checks for sanitizers
5318
5319 # we could use a simple skeleton for flags checks, but this also
5320 # detect the static linking issue of ubsan, see also:
5321 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5322 cat > $TMPC << EOF
5323 #include <stdint.h>
5324 int main(void) {
5325   return INT32_MIN / -1;
5326 }
5327 EOF
5328
5329 have_asan=no
5330 have_ubsan=no
5331 have_asan_iface_h=no
5332 have_asan_iface_fiber=no
5333
5334 if test "$sanitizers" = "yes" ; then
5335   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5336       have_asan=yes
5337   fi
5338   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5339       have_ubsan=yes
5340   fi
5341
5342   if check_include "sanitizer/asan_interface.h" ; then
5343       have_asan_iface_h=yes
5344   fi
5345
5346   cat > $TMPC << EOF
5347 #include <sanitizer/asan_interface.h>
5348 int main(void) {
5349   __sanitizer_start_switch_fiber(0, 0, 0);
5350   return 0;
5351 }
5352 EOF
5353   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5354       have_asan_iface_fiber=yes
5355   fi
5356 fi
5357
5358 ##########################################
5359 # End of CC checks
5360 # After here, no more $cc or $ld runs
5361
5362 write_c_skeleton
5363
5364 if test "$gcov" = "yes" ; then
5365   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5366   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5367 elif test "$fortify_source" = "yes" ; then
5368   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5369 elif test "$debug" = "yes"; then
5370   if compile_prog "-Og" ""; then
5371       CFLAGS="-Og $CFLAGS"
5372   elif compile_prog "-O1" ""; then
5373       CFLAGS="-O1 $CFLAGS"
5374   fi
5375   # Workaround GCC false-positive Wuninitialized bugs with Og or O1:
5376   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639
5377   if cc_has_warning_flag "-Wno-maybe-uninitialized"; then
5378       CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
5379   fi
5380 else
5381     CFLAGS="-O2 $CFLAGS"
5382 fi
5383
5384 if test "$have_asan" = "yes"; then
5385   CFLAGS="-fsanitize=address $CFLAGS"
5386   if test "$have_asan_iface_h" = "no" ; then
5387       echo "ASAN build enabled, but ASAN header missing." \
5388            "Without code annotation, the report may be inferior."
5389   elif test "$have_asan_iface_fiber" = "no" ; then
5390       echo "ASAN build enabled, but ASAN header is too old." \
5391            "Without code annotation, the report may be inferior."
5392   fi
5393 fi
5394 if test "$have_ubsan" = "yes"; then
5395   CFLAGS="-fsanitize=undefined $CFLAGS"
5396 fi
5397
5398 ##########################################
5399 # Do we have libnfs
5400 if test "$libnfs" != "no" ; then
5401   if $pkg_config --atleast-version=1.9.3 libnfs; then
5402     libnfs="yes"
5403     libnfs_libs=$($pkg_config --libs libnfs)
5404   else
5405     if test "$libnfs" = "yes" ; then
5406       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5407     fi
5408     libnfs="no"
5409   fi
5410 fi
5411
5412 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5413 if test "$werror" = "yes"; then
5414     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5415 fi
5416
5417 if test "$solaris" = "no" ; then
5418     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5419         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5420     fi
5421 fi
5422
5423 # test if pod2man has --utf8 option
5424 if pod2man --help | grep -q utf8; then
5425     POD2MAN="pod2man --utf8"
5426 else
5427     POD2MAN="pod2man"
5428 fi
5429
5430 # Use ASLR, no-SEH and DEP if available
5431 if test "$mingw32" = "yes" ; then
5432     for flag in --dynamicbase --no-seh --nxcompat; do
5433         if ld_has $flag ; then
5434             LDFLAGS="-Wl,$flag $LDFLAGS"
5435         fi
5436     done
5437 fi
5438
5439 qemu_confdir=$sysconfdir$confsuffix
5440 qemu_moddir=$libdir$confsuffix
5441 qemu_datadir=$datadir$confsuffix
5442 qemu_localedir="$datadir/locale"
5443
5444 # We can only support ivshmem if we have eventfd
5445 if [ "$eventfd" = "yes" ]; then
5446   ivshmem=yes
5447 fi
5448
5449 tools=""
5450 if test "$want_tools" = "yes" ; then
5451   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5452   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5453     tools="qemu-nbd\$(EXESUF) $tools"
5454   fi
5455   if [ "$ivshmem" = "yes" ]; then
5456     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5457   fi
5458 fi
5459 if test "$softmmu" = yes ; then
5460   if test "$linux" = yes; then
5461     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5462       virtfs=yes
5463       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5464     else
5465       if test "$virtfs" = yes; then
5466         error_exit "VirtFS requires libcap devel and libattr devel"
5467       fi
5468       virtfs=no
5469     fi
5470     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5471       mpath=yes
5472     else
5473       if test "$mpath" = yes; then
5474         error_exit "Multipath requires libmpathpersist devel"
5475       fi
5476       mpath=no
5477     fi
5478     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5479   else
5480     if test "$virtfs" = yes; then
5481       error_exit "VirtFS is supported only on Linux"
5482     fi
5483     virtfs=no
5484     if test "$mpath" = yes; then
5485       error_exit "Multipath is supported only on Linux"
5486     fi
5487     mpath=no
5488   fi
5489   if test "$xkbcommon" = "yes"; then
5490     tools="qemu-keymap\$(EXESUF) $tools"
5491   fi
5492 fi
5493
5494 # Probe for guest agent support/options
5495
5496 if [ "$guest_agent" != "no" ]; then
5497   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5498       tools="qemu-ga $tools"
5499       guest_agent=yes
5500   elif [ "$guest_agent" != yes ]; then
5501       guest_agent=no
5502   else
5503       error_exit "Guest agent is not supported on this platform"
5504   fi
5505 fi
5506
5507 # Guest agent Window MSI  package
5508
5509 if test "$guest_agent" != yes; then
5510   if test "$guest_agent_msi" = yes; then
5511     error_exit "MSI guest agent package requires guest agent enabled"
5512   fi
5513   guest_agent_msi=no
5514 elif test "$mingw32" != "yes"; then
5515   if test "$guest_agent_msi" = "yes"; then
5516     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5517   fi
5518   guest_agent_msi=no
5519 elif ! has wixl; then
5520   if test "$guest_agent_msi" = "yes"; then
5521     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5522   fi
5523   guest_agent_msi=no
5524 else
5525   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5526   # disabled explicitly
5527   if test "$guest_agent_msi" != "no"; then
5528     guest_agent_msi=yes
5529   fi
5530 fi
5531
5532 if test "$guest_agent_msi" = "yes"; then
5533   if test "$guest_agent_with_vss" = "yes"; then
5534     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5535   fi
5536
5537   if test "$QEMU_GA_MANUFACTURER" = ""; then
5538     QEMU_GA_MANUFACTURER=QEMU
5539   fi
5540
5541   if test "$QEMU_GA_DISTRO" = ""; then
5542     QEMU_GA_DISTRO=Linux
5543   fi
5544
5545   if test "$QEMU_GA_VERSION" = ""; then
5546       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5547   fi
5548
5549   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5550
5551   case "$cpu" in
5552   x86_64)
5553     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5554     ;;
5555   i386)
5556     QEMU_GA_MSI_ARCH="-D Arch=32"
5557     ;;
5558   *)
5559     error_exit "CPU $cpu not supported for building installation package"
5560     ;;
5561   esac
5562 fi
5563
5564 # Mac OS X ships with a broken assembler
5565 roms=
5566 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5567         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5568         "$softmmu" = yes ; then
5569     # Different host OS linkers have different ideas about the name of the ELF
5570     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5571     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5572     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5573         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5574             ld_i386_emulation="$emu"
5575             roms="optionrom"
5576             break
5577         fi
5578     done
5579 fi
5580 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5581   roms="$roms spapr-rtas"
5582 fi
5583
5584 if test "$cpu" = "s390x" ; then
5585   roms="$roms s390-ccw"
5586 fi
5587
5588 # Probe for the need for relocating the user-only binary.
5589 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5590   textseg_addr=
5591   case "$cpu" in
5592     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5593       # ??? Rationale for choosing this address
5594       textseg_addr=0x60000000
5595       ;;
5596     mips)
5597       # A 256M aligned address, high in the address space, with enough
5598       # room for the code_gen_buffer above it before the stack.
5599       textseg_addr=0x60000000
5600       ;;
5601   esac
5602   if [ -n "$textseg_addr" ]; then
5603     cat > $TMPC <<EOF
5604     int main(void) { return 0; }
5605 EOF
5606     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5607     if ! compile_prog "" "$textseg_ldflags"; then
5608       # In case ld does not support -Ttext-segment, edit the default linker
5609       # script via sed to set the .text start addr.  This is needed on FreeBSD
5610       # at least.
5611       if ! $ld --verbose >/dev/null 2>&1; then
5612         error_exit \
5613             "We need to link the QEMU user mode binaries at a" \
5614             "specific text address. Unfortunately your linker" \
5615             "doesn't support either the -Ttext-segment option or" \
5616             "printing the default linker script with --verbose." \
5617             "If you don't want the user mode binaries, pass the" \
5618             "--disable-user option to configure."
5619       fi
5620
5621       $ld --verbose | sed \
5622         -e '1,/==================================================/d' \
5623         -e '/==================================================/,$d' \
5624         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5625         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5626       textseg_ldflags="-Wl,-T../config-host.ld"
5627     fi
5628   fi
5629 fi
5630
5631 # Check that the C++ compiler exists and works with the C compiler.
5632 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5633 if has $cxx; then
5634     cat > $TMPC <<EOF
5635 int c_function(void);
5636 int main(void) { return c_function(); }
5637 EOF
5638
5639     compile_object
5640
5641     cat > $TMPCXX <<EOF
5642 extern "C" {
5643    int c_function(void);
5644 }
5645 int c_function(void) { return 42; }
5646 EOF
5647
5648     update_cxxflags
5649
5650     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5651         # C++ compiler $cxx works ok with C compiler $cc
5652         :
5653     else
5654         echo "C++ compiler $cxx does not work with C compiler $cc"
5655         echo "Disabling C++ specific optional code"
5656         cxx=
5657     fi
5658 else
5659     echo "No C++ compiler available; disabling C++ specific optional code"
5660     cxx=
5661 fi
5662
5663 echo_version() {
5664     if test "$1" = "yes" ; then
5665         echo "($2)"
5666     fi
5667 }
5668
5669 # prepend pixman and ftd flags after all config tests are done
5670 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5671 libs_softmmu="$pixman_libs $libs_softmmu"
5672
5673 echo "Install prefix    $prefix"
5674 echo "BIOS directory    $(eval echo $qemu_datadir)"
5675 echo "firmware path     $(eval echo $firmwarepath)"
5676 echo "binary directory  $(eval echo $bindir)"
5677 echo "library directory $(eval echo $libdir)"
5678 echo "module directory  $(eval echo $qemu_moddir)"
5679 echo "libexec directory $(eval echo $libexecdir)"
5680 echo "include directory $(eval echo $includedir)"
5681 echo "config directory  $(eval echo $sysconfdir)"
5682 if test "$mingw32" = "no" ; then
5683 echo "local state directory   $(eval echo $local_statedir)"
5684 echo "Manual directory  $(eval echo $mandir)"
5685 echo "ELF interp prefix $interp_prefix"
5686 else
5687 echo "local state directory   queried at runtime"
5688 echo "Windows SDK       $win_sdk"
5689 fi
5690 echo "Source path       $source_path"
5691 echo "GIT binary        $git"
5692 echo "GIT submodules    $git_submodules"
5693 echo "C compiler        $cc"
5694 echo "Host C compiler   $host_cc"
5695 echo "C++ compiler      $cxx"
5696 echo "Objective-C compiler $objcc"
5697 echo "ARFLAGS           $ARFLAGS"
5698 echo "CFLAGS            $CFLAGS"
5699 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5700 echo "LDFLAGS           $LDFLAGS"
5701 echo "make              $make"
5702 echo "install           $install"
5703 echo "python            $python"
5704 if test "$slirp" = "yes" ; then
5705     echo "smbd              $smbd"
5706 fi
5707 echo "module support    $modules"
5708 echo "host CPU          $cpu"
5709 echo "host big endian   $bigendian"
5710 echo "target list       $target_list"
5711 echo "gprof enabled     $gprof"
5712 echo "sparse enabled    $sparse"
5713 echo "strip binaries    $strip_opt"
5714 echo "profiler          $profiler"
5715 echo "static build      $static"
5716 if test "$darwin" = "yes" ; then
5717     echo "Cocoa support     $cocoa"
5718 fi
5719 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5720 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5721 echo "GTK GL support    $gtk_gl"
5722 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5723 echo "TLS priority      $tls_priority"
5724 echo "GNUTLS support    $gnutls"
5725 echo "GNUTLS rnd        $gnutls_rnd"
5726 echo "libgcrypt         $gcrypt"
5727 echo "libgcrypt kdf     $gcrypt_kdf"
5728 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5729 echo "nettle kdf        $nettle_kdf"
5730 echo "libtasn1          $tasn1"
5731 echo "curses support    $curses"
5732 echo "virgl support     $virglrenderer"
5733 echo "curl support      $curl"
5734 echo "mingw32 support   $mingw32"
5735 echo "Audio drivers     $audio_drv_list"
5736 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5737 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5738 echo "VirtFS support    $virtfs"
5739 echo "Multipath support $mpath"
5740 echo "VNC support       $vnc"
5741 if test "$vnc" = "yes" ; then
5742     echo "VNC SASL support  $vnc_sasl"
5743     echo "VNC JPEG support  $vnc_jpeg"
5744     echo "VNC PNG support   $vnc_png"
5745 fi
5746 if test -n "$sparc_cpu"; then
5747     echo "Target Sparc Arch $sparc_cpu"
5748 fi
5749 echo "xen support       $xen"
5750 if test "$xen" = "yes" ; then
5751   echo "xen ctrl version  $xen_ctrl_version"
5752   echo "pv dom build      $xen_pv_domain_build"
5753 fi
5754 echo "brlapi support    $brlapi"
5755 echo "bluez  support    $bluez"
5756 echo "Documentation     $docs"
5757 echo "PIE               $pie"
5758 echo "vde support       $vde"
5759 echo "netmap support    $netmap"
5760 echo "Linux AIO support $linux_aio"
5761 echo "ATTR/XATTR support $attr"
5762 echo "Install blobs     $blobs"
5763 echo "KVM support       $kvm"
5764 echo "HAX support       $hax"
5765 echo "HVF support       $hvf"
5766 echo "WHPX support      $whpx"
5767 echo "TCG support       $tcg"
5768 if test "$tcg" = "yes" ; then
5769     echo "TCG debug enabled $debug_tcg"
5770     echo "TCG interpreter   $tcg_interpreter"
5771 fi
5772 echo "malloc trim support $malloc_trim"
5773 echo "RDMA support      $rdma"
5774 echo "fdt support       $fdt"
5775 echo "preadv support    $preadv"
5776 echo "fdatasync         $fdatasync"
5777 echo "madvise           $madvise"
5778 echo "posix_madvise     $posix_madvise"
5779 echo "posix_memalign    $posix_memalign"
5780 echo "libcap-ng support $cap_ng"
5781 echo "vhost-net support $vhost_net"
5782 echo "vhost-crypto support $vhost_crypto"
5783 echo "vhost-scsi support $vhost_scsi"
5784 echo "vhost-vsock support $vhost_vsock"
5785 echo "vhost-user support $vhost_user"
5786 echo "Trace backends    $trace_backends"
5787 if have_backend "simple"; then
5788 echo "Trace output file $trace_file-<pid>"
5789 fi
5790 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5791 echo "rbd support       $rbd"
5792 echo "xfsctl support    $xfs"
5793 echo "smartcard support $smartcard"
5794 echo "libusb            $libusb"
5795 echo "usb net redir     $usb_redir"
5796 echo "OpenGL support    $opengl"
5797 echo "OpenGL dmabufs    $opengl_dmabuf"
5798 echo "libiscsi support  $libiscsi"
5799 echo "libnfs support    $libnfs"
5800 echo "build guest agent $guest_agent"
5801 echo "QGA VSS support   $guest_agent_with_vss"
5802 echo "QGA w32 disk info $guest_agent_ntddscsi"
5803 echo "QGA MSI support   $guest_agent_msi"
5804 echo "seccomp support   $seccomp"
5805 echo "coroutine backend $coroutine"
5806 echo "coroutine pool    $coroutine_pool"
5807 echo "debug stack usage $debug_stack_usage"
5808 echo "crypto afalg      $crypto_afalg"
5809 echo "GlusterFS support $glusterfs"
5810 echo "gcov              $gcov_tool"
5811 echo "gcov enabled      $gcov"
5812 echo "TPM support       $tpm"
5813 echo "libssh2 support   $libssh2"
5814 echo "TPM passthrough   $tpm_passthrough"
5815 echo "TPM emulator      $tpm_emulator"
5816 echo "QOM debugging     $qom_cast_debug"
5817 echo "Live block migration $live_block_migration"
5818 echo "lzo support       $lzo"
5819 echo "snappy support    $snappy"
5820 echo "bzip2 support     $bzip2"
5821 echo "NUMA host support $numa"
5822 echo "libxml2           $libxml2"
5823 echo "tcmalloc support  $tcmalloc"
5824 echo "jemalloc support  $jemalloc"
5825 echo "avx2 optimization $avx2_opt"
5826 echo "replication support $replication"
5827 echo "VxHS block device $vxhs"
5828 echo "capstone          $capstone"
5829
5830 if test "$sdl_too_old" = "yes"; then
5831 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5832 fi
5833
5834 if test "$gtkabi" = "2.0"; then
5835     echo
5836     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5837     echo "WARNING: future releases. Please switch to using GTK 3.0"
5838 fi
5839
5840 if test "$sdlabi" = "1.2"; then
5841     echo
5842     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5843     echo "WARNING: future releases. Please switch to using SDL 2.0"
5844 fi
5845
5846 if test "$supported_cpu" = "no"; then
5847     echo
5848     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5849     echo
5850     echo "CPU host architecture $cpu support is not currently maintained."
5851     echo "The QEMU project intends to remove support for this host CPU in"
5852     echo "a future release if nobody volunteers to maintain it and to"
5853     echo "provide a build host for our continuous integration setup."
5854     echo "configure has succeeded and you can continue to build, but"
5855     echo "if you care about QEMU on this platform you should contact"
5856     echo "us upstream at qemu-devel@nongnu.org."
5857 fi
5858
5859 if test "$supported_os" = "no"; then
5860     echo
5861     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5862     echo
5863     echo "Host OS $targetos support is not currently maintained."
5864     echo "The QEMU project intends to remove support for this host OS in"
5865     echo "a future release if nobody volunteers to maintain it and to"
5866     echo "provide a build host for our continuous integration setup."
5867     echo "configure has succeeded and you can continue to build, but"
5868     echo "if you care about QEMU on this platform you should contact"
5869     echo "us upstream at qemu-devel@nongnu.org."
5870 fi
5871
5872 config_host_mak="config-host.mak"
5873
5874 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5875
5876 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5877 echo >> $config_host_mak
5878
5879 echo all: >> $config_host_mak
5880 echo "prefix=$prefix" >> $config_host_mak
5881 echo "bindir=$bindir" >> $config_host_mak
5882 echo "libdir=$libdir" >> $config_host_mak
5883 echo "libexecdir=$libexecdir" >> $config_host_mak
5884 echo "includedir=$includedir" >> $config_host_mak
5885 echo "mandir=$mandir" >> $config_host_mak
5886 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5887 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5888 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5889 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5890 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5891 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5892 if test "$mingw32" = "no" ; then
5893   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5894 fi
5895 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5896 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5897 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5898 echo "GIT=$git" >> $config_host_mak
5899 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5900 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5901
5902 echo "ARCH=$ARCH" >> $config_host_mak
5903
5904 if test "$debug_tcg" = "yes" ; then
5905   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5906 fi
5907 if test "$strip_opt" = "yes" ; then
5908   echo "STRIP=${strip}" >> $config_host_mak
5909 fi
5910 if test "$bigendian" = "yes" ; then
5911   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5912 fi
5913 if test "$mingw32" = "yes" ; then
5914   echo "CONFIG_WIN32=y" >> $config_host_mak
5915   rc_version=$(cat $source_path/VERSION)
5916   version_major=${rc_version%%.*}
5917   rc_version=${rc_version#*.}
5918   version_minor=${rc_version%%.*}
5919   rc_version=${rc_version#*.}
5920   version_subminor=${rc_version%%.*}
5921   version_micro=0
5922   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5923   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5924   if test "$guest_agent_with_vss" = "yes" ; then
5925     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5926     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5927     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5928   fi
5929   if test "$guest_agent_ntddscsi" = "yes" ; then
5930     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5931   fi
5932   if test "$guest_agent_msi" = "yes"; then
5933     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5934     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5935     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5936     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5937     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5938     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5939     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5940   fi
5941 else
5942   echo "CONFIG_POSIX=y" >> $config_host_mak
5943 fi
5944
5945 if test "$linux" = "yes" ; then
5946   echo "CONFIG_LINUX=y" >> $config_host_mak
5947 fi
5948
5949 if test "$darwin" = "yes" ; then
5950   echo "CONFIG_DARWIN=y" >> $config_host_mak
5951 fi
5952
5953 if test "$solaris" = "yes" ; then
5954   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5955 fi
5956 if test "$haiku" = "yes" ; then
5957   echo "CONFIG_HAIKU=y" >> $config_host_mak
5958 fi
5959 if test "$static" = "yes" ; then
5960   echo "CONFIG_STATIC=y" >> $config_host_mak
5961 fi
5962 if test "$profiler" = "yes" ; then
5963   echo "CONFIG_PROFILER=y" >> $config_host_mak
5964 fi
5965 if test "$slirp" = "yes" ; then
5966   echo "CONFIG_SLIRP=y" >> $config_host_mak
5967   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5968 fi
5969 if test "$vde" = "yes" ; then
5970   echo "CONFIG_VDE=y" >> $config_host_mak
5971   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5972 fi
5973 if test "$netmap" = "yes" ; then
5974   echo "CONFIG_NETMAP=y" >> $config_host_mak
5975 fi
5976 if test "$l2tpv3" = "yes" ; then
5977   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5978 fi
5979 if test "$cap_ng" = "yes" ; then
5980   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5981 fi
5982 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5983 for drv in $audio_drv_list; do
5984     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5985     echo "$def=y" >> $config_host_mak
5986 done
5987 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5988 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5989 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5990 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5991 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5992 if test "$audio_pt_int" = "yes" ; then
5993   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5994 fi
5995 if test "$audio_win_int" = "yes" ; then
5996   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5997 fi
5998 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5999 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6000 if test "$vnc" = "yes" ; then
6001   echo "CONFIG_VNC=y" >> $config_host_mak
6002 fi
6003 if test "$vnc_sasl" = "yes" ; then
6004   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6005 fi
6006 if test "$vnc_jpeg" = "yes" ; then
6007   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6008 fi
6009 if test "$vnc_png" = "yes" ; then
6010   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6011 fi
6012 if test "$xkbcommon" = "yes" ; then
6013   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6014   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6015 fi
6016 if test "$fnmatch" = "yes" ; then
6017   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6018 fi
6019 if test "$xfs" = "yes" ; then
6020   echo "CONFIG_XFS=y" >> $config_host_mak
6021 fi
6022 qemu_version=$(head $source_path/VERSION)
6023 echo "VERSION=$qemu_version" >>$config_host_mak
6024 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6025 echo "SRC_PATH=$source_path" >> $config_host_mak
6026 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6027 if [ "$docs" = "yes" ] ; then
6028   echo "BUILD_DOCS=yes" >> $config_host_mak
6029 fi
6030 if test "$modules" = "yes"; then
6031   # $shacmd can generate a hash started with digit, which the compiler doesn't
6032   # like as an symbol. So prefix it with an underscore
6033   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6034   echo "CONFIG_MODULES=y" >> $config_host_mak
6035 fi
6036 if test "$have_x11" = "yes" -a "$need_x11" = "yes"; then
6037   echo "CONFIG_X11=y" >> $config_host_mak
6038   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6039   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6040 fi
6041 if test "$sdl" = "yes" ; then
6042   echo "CONFIG_SDL=m" >> $config_host_mak
6043   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6044   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6045   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6046 fi
6047 if test "$cocoa" = "yes" ; then
6048   echo "CONFIG_COCOA=y" >> $config_host_mak
6049 fi
6050 if test "$curses" = "yes" ; then
6051   echo "CONFIG_CURSES=m" >> $config_host_mak
6052   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6053   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6054 fi
6055 if test "$pipe2" = "yes" ; then
6056   echo "CONFIG_PIPE2=y" >> $config_host_mak
6057 fi
6058 if test "$accept4" = "yes" ; then
6059   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6060 fi
6061 if test "$splice" = "yes" ; then
6062   echo "CONFIG_SPLICE=y" >> $config_host_mak
6063 fi
6064 if test "$eventfd" = "yes" ; then
6065   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6066 fi
6067 if test "$memfd" = "yes" ; then
6068   echo "CONFIG_MEMFD=y" >> $config_host_mak
6069 fi
6070 if test "$fallocate" = "yes" ; then
6071   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6072 fi
6073 if test "$fallocate_punch_hole" = "yes" ; then
6074   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6075 fi
6076 if test "$fallocate_zero_range" = "yes" ; then
6077   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6078 fi
6079 if test "$posix_fallocate" = "yes" ; then
6080   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6081 fi
6082 if test "$sync_file_range" = "yes" ; then
6083   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6084 fi
6085 if test "$fiemap" = "yes" ; then
6086   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6087 fi
6088 if test "$dup3" = "yes" ; then
6089   echo "CONFIG_DUP3=y" >> $config_host_mak
6090 fi
6091 if test "$ppoll" = "yes" ; then
6092   echo "CONFIG_PPOLL=y" >> $config_host_mak
6093 fi
6094 if test "$prctl_pr_set_timerslack" = "yes" ; then
6095   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6096 fi
6097 if test "$epoll" = "yes" ; then
6098   echo "CONFIG_EPOLL=y" >> $config_host_mak
6099 fi
6100 if test "$epoll_create1" = "yes" ; then
6101   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6102 fi
6103 if test "$sendfile" = "yes" ; then
6104   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6105 fi
6106 if test "$timerfd" = "yes" ; then
6107   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6108 fi
6109 if test "$setns" = "yes" ; then
6110   echo "CONFIG_SETNS=y" >> $config_host_mak
6111 fi
6112 if test "$clock_adjtime" = "yes" ; then
6113   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6114 fi
6115 if test "$syncfs" = "yes" ; then
6116   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6117 fi
6118 if test "$inotify" = "yes" ; then
6119   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6120 fi
6121 if test "$inotify1" = "yes" ; then
6122   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6123 fi
6124 if test "$sem_timedwait" = "yes" ; then
6125   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6126 fi
6127 if test "$byteswap_h" = "yes" ; then
6128   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6129 fi
6130 if test "$bswap_h" = "yes" ; then
6131   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6132 fi
6133 if test "$curl" = "yes" ; then
6134   echo "CONFIG_CURL=m" >> $config_host_mak
6135   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6136   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6137 fi
6138 if test "$brlapi" = "yes" ; then
6139   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6140   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6141 fi
6142 if test "$bluez" = "yes" ; then
6143   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6144   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6145 fi
6146 if test "$glib_subprocess" = "yes" ; then
6147   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6148 fi
6149 if test "$gtk" = "yes" ; then
6150   echo "CONFIG_GTK=m" >> $config_host_mak
6151   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6152   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6153   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6154   if test "$gtk_gl" = "yes" ; then
6155     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6156   fi
6157 fi
6158 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6159 if test "$gnutls" = "yes" ; then
6160   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6161 fi
6162 if test "$gnutls_rnd" = "yes" ; then
6163   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6164 fi
6165 if test "$gcrypt" = "yes" ; then
6166   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6167   if test "$gcrypt_hmac" = "yes" ; then
6168     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6169   fi
6170   if test "$gcrypt_kdf" = "yes" ; then
6171     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6172   fi
6173 fi
6174 if test "$nettle" = "yes" ; then
6175   echo "CONFIG_NETTLE=y" >> $config_host_mak
6176   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6177   if test "$nettle_kdf" = "yes" ; then
6178     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6179   fi
6180 fi
6181 if test "$tasn1" = "yes" ; then
6182   echo "CONFIG_TASN1=y" >> $config_host_mak
6183 fi
6184 if test "$have_ifaddrs_h" = "yes" ; then
6185     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6186 fi
6187 if test "$have_broken_size_max" = "yes" ; then
6188     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6189 fi
6190
6191 # Work around a system header bug with some kernel/XFS header
6192 # versions where they both try to define 'struct fsxattr':
6193 # xfs headers will not try to redefine structs from linux headers
6194 # if this macro is set.
6195 if test "$have_fsxattr" = "yes" ; then
6196     echo "HAVE_FSXATTR=y" >> $config_host_mak
6197 fi
6198 if test "$vte" = "yes" ; then
6199   echo "CONFIG_VTE=y" >> $config_host_mak
6200   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6201   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6202 fi
6203 if test "$virglrenderer" = "yes" ; then
6204   echo "CONFIG_VIRGL=y" >> $config_host_mak
6205   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6206   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6207 fi
6208 if test "$xen" = "yes" ; then
6209   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6210   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6211   if test "$xen_pv_domain_build" = "yes" ; then
6212     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6213   fi
6214 fi
6215 if test "$linux_aio" = "yes" ; then
6216   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6217 fi
6218 if test "$attr" = "yes" ; then
6219   echo "CONFIG_ATTR=y" >> $config_host_mak
6220 fi
6221 if test "$libattr" = "yes" ; then
6222   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6223 fi
6224 if test "$virtfs" = "yes" ; then
6225   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6226 fi
6227 if test "$mpath" = "yes" ; then
6228   echo "CONFIG_MPATH=y" >> $config_host_mak
6229 fi
6230 if test "$vhost_scsi" = "yes" ; then
6231   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6232 fi
6233 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6234   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6235 fi
6236 if test "$vhost_crypto" = "yes" ; then
6237   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6238 fi
6239 if test "$vhost_vsock" = "yes" ; then
6240   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6241 fi
6242 if test "$vhost_user" = "yes" ; then
6243   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6244 fi
6245 if test "$blobs" = "yes" ; then
6246   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6247 fi
6248 if test "$iovec" = "yes" ; then
6249   echo "CONFIG_IOVEC=y" >> $config_host_mak
6250 fi
6251 if test "$preadv" = "yes" ; then
6252   echo "CONFIG_PREADV=y" >> $config_host_mak
6253 fi
6254 if test "$fdt" = "yes" ; then
6255   echo "CONFIG_FDT=y" >> $config_host_mak
6256 fi
6257 if test "$signalfd" = "yes" ; then
6258   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6259 fi
6260 if test "$tcg" = "yes"; then
6261   echo "CONFIG_TCG=y" >> $config_host_mak
6262   if test "$tcg_interpreter" = "yes" ; then
6263     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6264   fi
6265 fi
6266 if test "$fdatasync" = "yes" ; then
6267   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6268 fi
6269 if test "$madvise" = "yes" ; then
6270   echo "CONFIG_MADVISE=y" >> $config_host_mak
6271 fi
6272 if test "$posix_madvise" = "yes" ; then
6273   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6274 fi
6275 if test "$posix_memalign" = "yes" ; then
6276   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6277 fi
6278
6279 if test "$spice" = "yes" ; then
6280   echo "CONFIG_SPICE=y" >> $config_host_mak
6281 fi
6282
6283 if test "$smartcard" = "yes" ; then
6284   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6285   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6286   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6287 fi
6288
6289 if test "$libusb" = "yes" ; then
6290   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6291   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6292   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6293 fi
6294
6295 if test "$usb_redir" = "yes" ; then
6296   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6297   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6298   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6299 fi
6300
6301 if test "$opengl" = "yes" ; then
6302   echo "CONFIG_OPENGL=y" >> $config_host_mak
6303   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6304   if test "$opengl_dmabuf" = "yes" ; then
6305     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6306   fi
6307 fi
6308
6309 if test "$malloc_trim" = "yes" ; then
6310   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6311 fi
6312
6313 if test "$avx2_opt" = "yes" ; then
6314   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6315 fi
6316
6317 if test "$lzo" = "yes" ; then
6318   echo "CONFIG_LZO=y" >> $config_host_mak
6319 fi
6320
6321 if test "$snappy" = "yes" ; then
6322   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6323 fi
6324
6325 if test "$bzip2" = "yes" ; then
6326   echo "CONFIG_BZIP2=y" >> $config_host_mak
6327   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6328 fi
6329
6330 if test "$libiscsi" = "yes" ; then
6331   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6332   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6333   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6334 fi
6335
6336 if test "$libnfs" = "yes" ; then
6337   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6338   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6339 fi
6340
6341 if test "$seccomp" = "yes"; then
6342   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6343   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6344   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6345 fi
6346
6347 # XXX: suppress that
6348 if [ "$bsd" = "yes" ] ; then
6349   echo "CONFIG_BSD=y" >> $config_host_mak
6350 fi
6351
6352 if test "$localtime_r" = "yes" ; then
6353   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6354 fi
6355 if test "$qom_cast_debug" = "yes" ; then
6356   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6357 fi
6358 if test "$rbd" = "yes" ; then
6359   echo "CONFIG_RBD=m" >> $config_host_mak
6360   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6361   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6362 fi
6363
6364 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6365 if test "$coroutine_pool" = "yes" ; then
6366   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6367 else
6368   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6369 fi
6370
6371 if test "$debug_stack_usage" = "yes" ; then
6372   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6373 fi
6374
6375 if test "$crypto_afalg" = "yes" ; then
6376   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6377 fi
6378
6379 if test "$open_by_handle_at" = "yes" ; then
6380   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6381 fi
6382
6383 if test "$linux_magic_h" = "yes" ; then
6384   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6385 fi
6386
6387 if test "$pragma_diagnostic_available" = "yes" ; then
6388   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6389 fi
6390
6391 if test "$valgrind_h" = "yes" ; then
6392   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6393 fi
6394
6395 if test "$have_asan_iface_fiber" = "yes" ; then
6396     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6397 fi
6398
6399 if test "$has_environ" = "yes" ; then
6400   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6401 fi
6402
6403 if test "$cpuid_h" = "yes" ; then
6404   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6405 fi
6406
6407 if test "$int128" = "yes" ; then
6408   echo "CONFIG_INT128=y" >> $config_host_mak
6409 fi
6410
6411 if test "$atomic128" = "yes" ; then
6412   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6413 fi
6414
6415 if test "$atomic64" = "yes" ; then
6416   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6417 fi
6418
6419 if test "$vector16" = "yes" ; then
6420   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6421 fi
6422
6423 if test "$getauxval" = "yes" ; then
6424   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6425 fi
6426
6427 if test "$glusterfs" = "yes" ; then
6428   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6429   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6430   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6431 fi
6432
6433 if test "$glusterfs_xlator_opt" = "yes" ; then
6434   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6435 fi
6436
6437 if test "$glusterfs_discard" = "yes" ; then
6438   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6439 fi
6440
6441 if test "$glusterfs_fallocate" = "yes" ; then
6442   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6443 fi
6444
6445 if test "$glusterfs_zerofill" = "yes" ; then
6446   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6447 fi
6448
6449 if test "$libssh2" = "yes" ; then
6450   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6451   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6452   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6453 fi
6454
6455 if test "$live_block_migration" = "yes" ; then
6456   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6457 fi
6458
6459 if test "$tpm" = "yes"; then
6460   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6461   # TPM passthrough support?
6462   if test "$tpm_passthrough" = "yes"; then
6463     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6464   fi
6465   # TPM emulator support?
6466   if test "$tpm_emulator" = "yes"; then
6467     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6468   fi
6469 fi
6470
6471 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6472 if have_backend "nop"; then
6473   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6474 fi
6475 if have_backend "simple"; then
6476   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6477   # Set the appropriate trace file.
6478   trace_file="\"$trace_file-\" FMT_pid"
6479 fi
6480 if have_backend "log"; then
6481   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6482 fi
6483 if have_backend "ust"; then
6484   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6485 fi
6486 if have_backend "dtrace"; then
6487   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6488   if test "$trace_backend_stap" = "yes" ; then
6489     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6490   fi
6491 fi
6492 if have_backend "ftrace"; then
6493   if test "$linux" = "yes" ; then
6494     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6495   else
6496     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6497   fi
6498 fi
6499 if have_backend "syslog"; then
6500   if test "$posix_syslog" = "yes" ; then
6501     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6502   else
6503     feature_not_found "syslog(trace backend)" "syslog not available"
6504   fi
6505 fi
6506 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6507
6508 if test "$rdma" = "yes" ; then
6509   echo "CONFIG_RDMA=y" >> $config_host_mak
6510   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6511 fi
6512
6513 if test "$have_rtnetlink" = "yes" ; then
6514   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6515 fi
6516
6517 if test "$libxml2" = "yes" ; then
6518   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6519   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6520   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6521 fi
6522
6523 if test "$replication" = "yes" ; then
6524   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6525 fi
6526
6527 if test "$have_af_vsock" = "yes" ; then
6528   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6529 fi
6530
6531 if test "$have_sysmacros" = "yes" ; then
6532   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6533 fi
6534
6535 if test "$have_static_assert" = "yes" ; then
6536   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6537 fi
6538
6539 if test "$have_utmpx" = "yes" ; then
6540   echo "HAVE_UTMPX=y" >> $config_host_mak
6541 fi
6542
6543 if test "$ivshmem" = "yes" ; then
6544   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6545 fi
6546 if test "$capstone" != "no" ; then
6547   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6548 fi
6549
6550 # Hold two types of flag:
6551 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6552 #                                     a thread we have a handle to
6553 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6554 #                                     platform
6555 if test "$pthread_setname_np" = "yes" ; then
6556   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6557   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6558 fi
6559
6560 if test "$vxhs" = "yes" ; then
6561   echo "CONFIG_VXHS=y" >> $config_host_mak
6562   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6563 fi
6564
6565 if test "$tcg_interpreter" = "yes"; then
6566   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6567 elif test "$ARCH" = "sparc64" ; then
6568   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6569 elif test "$ARCH" = "s390x" ; then
6570   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6571 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6572   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6573 elif test "$ARCH" = "ppc64" ; then
6574   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6575 else
6576   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6577 fi
6578 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6579
6580 echo "TOOLS=$tools" >> $config_host_mak
6581 echo "ROMS=$roms" >> $config_host_mak
6582 echo "MAKE=$make" >> $config_host_mak
6583 echo "INSTALL=$install" >> $config_host_mak
6584 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6585 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6586 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6587 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6588 echo "PYTHON=$python" >> $config_host_mak
6589 echo "CC=$cc" >> $config_host_mak
6590 if $iasl -h > /dev/null 2>&1; then
6591   echo "IASL=$iasl" >> $config_host_mak
6592 fi
6593 echo "CC_I386=$cc_i386" >> $config_host_mak
6594 echo "HOST_CC=$host_cc" >> $config_host_mak
6595 echo "CXX=$cxx" >> $config_host_mak
6596 echo "OBJCC=$objcc" >> $config_host_mak
6597 echo "AR=$ar" >> $config_host_mak
6598 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6599 echo "AS=$as" >> $config_host_mak
6600 echo "CCAS=$ccas" >> $config_host_mak
6601 echo "CPP=$cpp" >> $config_host_mak
6602 echo "OBJCOPY=$objcopy" >> $config_host_mak
6603 echo "LD=$ld" >> $config_host_mak
6604 echo "RANLIB=$ranlib" >> $config_host_mak
6605 echo "NM=$nm" >> $config_host_mak
6606 echo "WINDRES=$windres" >> $config_host_mak
6607 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6608 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6609 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6610 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6611 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6612 if test "$sparse" = "yes" ; then
6613   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6614   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6615   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6616   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6617   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6618 fi
6619 if test "$cross_prefix" != ""; then
6620   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6621 else
6622   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6623 fi
6624 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6625 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6626 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6627 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6628 echo "LIBS+=$LIBS" >> $config_host_mak
6629 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6630 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6631 echo "EXESUF=$EXESUF" >> $config_host_mak
6632 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6633 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6634 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6635 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6636 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6637 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6638 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6639 if test "$gcov" = "yes" ; then
6640   echo "CONFIG_GCOV=y" >> $config_host_mak
6641   echo "GCOV=$gcov_tool" >> $config_host_mak
6642 fi
6643
6644 # use included Linux headers
6645 if test "$linux" = "yes" ; then
6646   mkdir -p linux-headers
6647   case "$cpu" in
6648   i386|x86_64|x32)
6649     linux_arch=x86
6650     ;;
6651   ppcemb|ppc|ppc64)
6652     linux_arch=powerpc
6653     ;;
6654   s390x)
6655     linux_arch=s390
6656     ;;
6657   aarch64)
6658     linux_arch=arm64
6659     ;;
6660   mips64)
6661     linux_arch=mips
6662     ;;
6663   *)
6664     # For most CPUs the kernel architecture name and QEMU CPU name match.
6665     linux_arch="$cpu"
6666     ;;
6667   esac
6668     # For non-KVM architectures we will not have asm headers
6669     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6670       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6671     fi
6672 fi
6673
6674 for target in $target_list; do
6675 target_dir="$target"
6676 config_target_mak=$target_dir/config-target.mak
6677 target_name=$(echo $target | cut -d '-' -f 1)
6678 target_bigendian="no"
6679
6680 case "$target_name" in
6681   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6682   target_bigendian=yes
6683   ;;
6684 esac
6685 target_softmmu="no"
6686 target_user_only="no"
6687 target_linux_user="no"
6688 target_bsd_user="no"
6689 case "$target" in
6690   ${target_name}-softmmu)
6691     target_softmmu="yes"
6692     ;;
6693   ${target_name}-linux-user)
6694     target_user_only="yes"
6695     target_linux_user="yes"
6696     ;;
6697   ${target_name}-bsd-user)
6698     target_user_only="yes"
6699     target_bsd_user="yes"
6700     ;;
6701   *)
6702     error_exit "Target '$target' not recognised"
6703     exit 1
6704     ;;
6705 esac
6706
6707 mkdir -p $target_dir
6708 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6709
6710 bflt="no"
6711 mttcg="no"
6712 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6713 gdb_xml_files=""
6714
6715 TARGET_ARCH="$target_name"
6716 TARGET_BASE_ARCH=""
6717 TARGET_ABI_DIR=""
6718
6719 case "$target_name" in
6720   i386)
6721     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6722   ;;
6723   x86_64)
6724     TARGET_BASE_ARCH=i386
6725     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6726   ;;
6727   alpha)
6728     mttcg="yes"
6729   ;;
6730   arm|armeb)
6731     TARGET_ARCH=arm
6732     bflt="yes"
6733     mttcg="yes"
6734     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6735   ;;
6736   aarch64|aarch64_be)
6737     TARGET_ARCH=aarch64
6738     TARGET_BASE_ARCH=arm
6739     bflt="yes"
6740     mttcg="yes"
6741     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6742   ;;
6743   cris)
6744   ;;
6745   hppa)
6746     mttcg="yes"
6747   ;;
6748   lm32)
6749   ;;
6750   m68k)
6751     bflt="yes"
6752     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6753   ;;
6754   microblaze|microblazeel)
6755     TARGET_ARCH=microblaze
6756     bflt="yes"
6757   ;;
6758   mips|mipsel)
6759     TARGET_ARCH=mips
6760     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6761   ;;
6762   mipsn32|mipsn32el)
6763     TARGET_ARCH=mips64
6764     TARGET_BASE_ARCH=mips
6765     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6766     echo "TARGET_ABI32=y" >> $config_target_mak
6767   ;;
6768   mips64|mips64el)
6769     TARGET_ARCH=mips64
6770     TARGET_BASE_ARCH=mips
6771     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6772   ;;
6773   moxie)
6774   ;;
6775   nios2)
6776   ;;
6777   or1k)
6778     TARGET_ARCH=openrisc
6779     TARGET_BASE_ARCH=openrisc
6780   ;;
6781   ppc)
6782     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6783   ;;
6784   ppcemb)
6785     TARGET_BASE_ARCH=ppc
6786     TARGET_ABI_DIR=ppc
6787     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6788   ;;
6789   ppc64)
6790     TARGET_BASE_ARCH=ppc
6791     TARGET_ABI_DIR=ppc
6792     mttcg=yes
6793     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6794   ;;
6795   ppc64le)
6796     TARGET_ARCH=ppc64
6797     TARGET_BASE_ARCH=ppc
6798     TARGET_ABI_DIR=ppc
6799     mttcg=yes
6800     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6801   ;;
6802   ppc64abi32)
6803     TARGET_ARCH=ppc64
6804     TARGET_BASE_ARCH=ppc
6805     TARGET_ABI_DIR=ppc
6806     echo "TARGET_ABI32=y" >> $config_target_mak
6807     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6808   ;;
6809   sh4|sh4eb)
6810     TARGET_ARCH=sh4
6811     bflt="yes"
6812   ;;
6813   sparc)
6814   ;;
6815   sparc64)
6816     TARGET_BASE_ARCH=sparc
6817   ;;
6818   sparc32plus)
6819     TARGET_ARCH=sparc64
6820     TARGET_BASE_ARCH=sparc
6821     TARGET_ABI_DIR=sparc
6822     echo "TARGET_ABI32=y" >> $config_target_mak
6823   ;;
6824   s390x)
6825     mttcg=yes
6826     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6827   ;;
6828   tilegx)
6829   ;;
6830   tricore)
6831   ;;
6832   unicore32)
6833   ;;
6834   xtensa|xtensaeb)
6835     TARGET_ARCH=xtensa
6836   ;;
6837   *)
6838     error_exit "Unsupported target CPU"
6839   ;;
6840 esac
6841 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6842 if [ "$TARGET_BASE_ARCH" = "" ]; then
6843   TARGET_BASE_ARCH=$TARGET_ARCH
6844 fi
6845
6846 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6847
6848 upper() {
6849     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6850 }
6851
6852 target_arch_name="$(upper $TARGET_ARCH)"
6853 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6854 echo "TARGET_NAME=$target_name" >> $config_target_mak
6855 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6856 if [ "$TARGET_ABI_DIR" = "" ]; then
6857   TARGET_ABI_DIR=$TARGET_ARCH
6858 fi
6859 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6860 if [ "$HOST_VARIANT_DIR" != "" ]; then
6861     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6862 fi
6863
6864 if supported_xen_target $target; then
6865     echo "CONFIG_XEN=y" >> $config_target_mak
6866     if test "$xen_pci_passthrough" = yes; then
6867         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6868     fi
6869 fi
6870 if supported_kvm_target $target; then
6871     echo "CONFIG_KVM=y" >> $config_target_mak
6872     if test "$vhost_net" = "yes" ; then
6873         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6874         if test "$vhost_user" = "yes" ; then
6875             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6876         fi
6877     fi
6878 fi
6879 if supported_hax_target $target; then
6880     echo "CONFIG_HAX=y" >> $config_target_mak
6881 fi
6882 if supported_hvf_target $target; then
6883     echo "CONFIG_HVF=y" >> $config_target_mak
6884 fi
6885 if supported_whpx_target $target; then
6886     echo "CONFIG_WHPX=y" >> $config_target_mak
6887 fi
6888 if test "$target_bigendian" = "yes" ; then
6889   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6890 fi
6891 if test "$target_softmmu" = "yes" ; then
6892   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6893   if test "$mttcg" = "yes" ; then
6894     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6895   fi
6896 fi
6897 if test "$target_user_only" = "yes" ; then
6898   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6899   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6900 fi
6901 if test "$target_linux_user" = "yes" ; then
6902   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6903 fi
6904 list=""
6905 if test ! -z "$gdb_xml_files" ; then
6906   for x in $gdb_xml_files; do
6907     list="$list $source_path/gdb-xml/$x"
6908   done
6909   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6910 fi
6911
6912 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6913   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6914 fi
6915 if test "$target_bsd_user" = "yes" ; then
6916   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6917 fi
6918
6919 # generate QEMU_CFLAGS/LDFLAGS for targets
6920
6921 cflags=""
6922 ldflags=""
6923
6924 disas_config() {
6925   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6926   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6927 }
6928
6929 for i in $ARCH $TARGET_BASE_ARCH ; do
6930   case "$i" in
6931   alpha)
6932     disas_config "ALPHA"
6933   ;;
6934   aarch64)
6935     if test -n "${cxx}"; then
6936       disas_config "ARM_A64"
6937     fi
6938   ;;
6939   arm)
6940     disas_config "ARM"
6941     if test -n "${cxx}"; then
6942       disas_config "ARM_A64"
6943     fi
6944   ;;
6945   cris)
6946     disas_config "CRIS"
6947   ;;
6948   hppa)
6949     disas_config "HPPA"
6950   ;;
6951   i386|x86_64|x32)
6952     disas_config "I386"
6953   ;;
6954   lm32)
6955     disas_config "LM32"
6956   ;;
6957   m68k)
6958     disas_config "M68K"
6959   ;;
6960   microblaze*)
6961     disas_config "MICROBLAZE"
6962   ;;
6963   mips*)
6964     disas_config "MIPS"
6965   ;;
6966   moxie*)
6967     disas_config "MOXIE"
6968   ;;
6969   nios2)
6970     disas_config "NIOS2"
6971   ;;
6972   or1k)
6973     disas_config "OPENRISC"
6974   ;;
6975   ppc*)
6976     disas_config "PPC"
6977   ;;
6978   s390*)
6979     disas_config "S390"
6980   ;;
6981   sh4)
6982     disas_config "SH4"
6983   ;;
6984   sparc*)
6985     disas_config "SPARC"
6986   ;;
6987   xtensa*)
6988     disas_config "XTENSA"
6989   ;;
6990   esac
6991 done
6992 if test "$tcg_interpreter" = "yes" ; then
6993   disas_config "TCI"
6994 fi
6995
6996 case "$ARCH" in
6997 alpha)
6998   # Ensure there's only a single GP
6999   cflags="-msmall-data $cflags"
7000 ;;
7001 esac
7002
7003 if test "$gprof" = "yes" ; then
7004   echo "TARGET_GPROF=yes" >> $config_target_mak
7005   if test "$target_linux_user" = "yes" ; then
7006     cflags="-p $cflags"
7007     ldflags="-p $ldflags"
7008   fi
7009   if test "$target_softmmu" = "yes" ; then
7010     ldflags="-p $ldflags"
7011     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7012   fi
7013 fi
7014
7015 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7016   ldflags="$ldflags $textseg_ldflags"
7017 fi
7018
7019 # Newer kernels on s390 check for an S390_PGSTE program header and
7020 # enable the pgste page table extensions in that case. This makes
7021 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7022 # header if
7023 #  - we build on s390x
7024 #  - we build the system emulation for s390x (qemu-system-s390x)
7025 #  - KVM is enabled
7026 #  - the linker supports --s390-pgste
7027 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7028     if ld_has --s390-pgste ; then
7029         ldflags="-Wl,--s390-pgste $ldflags"
7030     fi
7031 fi
7032
7033 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7034 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7035
7036 done # for target in $targets
7037
7038 if [ "$dtc_internal" = "yes" ]; then
7039   echo "config-host.h: subdir-dtc" >> $config_host_mak
7040 fi
7041 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7042   echo "config-host.h: subdir-capstone" >> $config_host_mak
7043 fi
7044 if test -n "$LIBCAPSTONE"; then
7045   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7046 fi
7047
7048 if test "$numa" = "yes"; then
7049   echo "CONFIG_NUMA=y" >> $config_host_mak
7050 fi
7051
7052 if test "$ccache_cpp2" = "yes"; then
7053   echo "export CCACHE_CPP2=y" >> $config_host_mak
7054 fi
7055
7056 # build tree in object directory in case the source is not in the current directory
7057 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7058 DIRS="$DIRS docs docs/interop fsdev scsi"
7059 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7060 DIRS="$DIRS roms/seabios roms/vgabios"
7061 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7062 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7063 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7064 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7065 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7066 FILES="$FILES pc-bios/s390-ccw/Makefile"
7067 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7068 FILES="$FILES pc-bios/qemu-icon.bmp"
7069 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7070 for bios_file in \
7071     $source_path/pc-bios/*.bin \
7072     $source_path/pc-bios/*.lid \
7073     $source_path/pc-bios/*.aml \
7074     $source_path/pc-bios/*.rom \
7075     $source_path/pc-bios/*.dtb \
7076     $source_path/pc-bios/*.img \
7077     $source_path/pc-bios/openbios-* \
7078     $source_path/pc-bios/u-boot.* \
7079     $source_path/pc-bios/palcode-*
7080 do
7081     FILES="$FILES pc-bios/$(basename $bios_file)"
7082 done
7083 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7084 do
7085     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7086 done
7087 mkdir -p $DIRS
7088 for f in $FILES ; do
7089     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7090         symlink "$source_path/$f" "$f"
7091     fi
7092 done
7093
7094 # temporary config to build submodules
7095 for rom in seabios vgabios ; do
7096     config_mak=roms/$rom/config.mak
7097     echo "# Automatically generated by configure - do not modify" > $config_mak
7098     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7099     echo "AS=$as" >> $config_mak
7100     echo "CCAS=$ccas" >> $config_mak
7101     echo "CC=$cc" >> $config_mak
7102     echo "BCC=bcc" >> $config_mak
7103     echo "CPP=$cpp" >> $config_mak
7104     echo "OBJCOPY=objcopy" >> $config_mak
7105     echo "IASL=$iasl" >> $config_mak
7106     echo "LD=$ld" >> $config_mak
7107     echo "RANLIB=$ranlib" >> $config_mak
7108 done
7109
7110 # set up tests data directory
7111 if [ ! -e tests/data ]; then
7112     symlink "$source_path/tests/data" tests/data
7113 fi
7114
7115 # set up qemu-iotests in this build directory
7116 iotests_common_env="tests/qemu-iotests/common.env"
7117 iotests_check="tests/qemu-iotests/check"
7118
7119 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7120 echo >> "$iotests_common_env"
7121 echo "export PYTHON='$python'" >> "$iotests_common_env"
7122
7123 if [ ! -e "$iotests_check" ]; then
7124     symlink "$source_path/$iotests_check" "$iotests_check"
7125 fi
7126
7127 # Save the configure command line for later reuse.
7128 cat <<EOD >config.status
7129 #!/bin/sh
7130 # Generated by configure.
7131 # Run this file to recreate the current configuration.
7132 # Compiler output produced by configure, useful for debugging
7133 # configure, is in config.log if it exists.
7134 EOD
7135 printf "exec" >>config.status
7136 printf " '%s'" "$0" "$@" >>config.status
7137 echo ' "$@"' >>config.status
7138 chmod +x config.status
7139
7140 rm -r "$TMPDIR1"