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 $x11_libs"
2560         fi
2561         libs_softmmu="$gtk_libs $libs_softmmu"
2562         gtk="yes"
2563     elif test "$gtk" = "yes"; then
2564         feature_not_found "gtk" "Install gtk3-devel"
2565     else
2566         gtk="no"
2567     fi
2568 fi
2569
2570
2571 ##########################################
2572 # GNUTLS probe
2573
2574 gnutls_works() {
2575     # Unfortunately some distros have bad pkg-config information for gnutls
2576     # such that it claims to exist but you get a compiler error if you try
2577     # to use the options returned by --libs. Specifically, Ubuntu for --static
2578     # builds doesn't work:
2579     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2580     #
2581     # So sanity check the cflags/libs before assuming gnutls can be used.
2582     if ! $pkg_config --exists "gnutls"; then
2583         return 1
2584     fi
2585
2586     write_c_skeleton
2587     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2588 }
2589
2590 gnutls_gcrypt=no
2591 gnutls_nettle=no
2592 if test "$gnutls" != "no"; then
2593     if gnutls_works; then
2594         gnutls_cflags=$($pkg_config --cflags gnutls)
2595         gnutls_libs=$($pkg_config --libs gnutls)
2596         libs_softmmu="$gnutls_libs $libs_softmmu"
2597         libs_tools="$gnutls_libs $libs_tools"
2598         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2599         gnutls="yes"
2600
2601         # gnutls_rnd requires >= 2.11.0
2602         if $pkg_config --exists "gnutls >= 2.11.0"; then
2603             gnutls_rnd="yes"
2604         else
2605             gnutls_rnd="no"
2606         fi
2607
2608         if $pkg_config --exists 'gnutls >= 3.0'; then
2609             gnutls_gcrypt=no
2610             gnutls_nettle=yes
2611         elif $pkg_config --exists 'gnutls >= 2.12'; then
2612             case $($pkg_config --libs --static gnutls) in
2613                 *gcrypt*)
2614                     gnutls_gcrypt=yes
2615                     gnutls_nettle=no
2616                     ;;
2617                 *nettle*)
2618                     gnutls_gcrypt=no
2619                     gnutls_nettle=yes
2620                     ;;
2621                 *)
2622                     gnutls_gcrypt=yes
2623                     gnutls_nettle=no
2624                     ;;
2625             esac
2626         else
2627             gnutls_gcrypt=yes
2628             gnutls_nettle=no
2629         fi
2630     elif test "$gnutls" = "yes"; then
2631         feature_not_found "gnutls" "Install gnutls devel"
2632     else
2633         gnutls="no"
2634         gnutls_rnd="no"
2635     fi
2636 else
2637     gnutls_rnd="no"
2638 fi
2639
2640
2641 # If user didn't give a --disable/enable-gcrypt flag,
2642 # then mark as disabled if user requested nettle
2643 # explicitly, or if gnutls links to nettle
2644 if test -z "$gcrypt"
2645 then
2646     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2647     then
2648         gcrypt="no"
2649     fi
2650 fi
2651
2652 # If user didn't give a --disable/enable-nettle flag,
2653 # then mark as disabled if user requested gcrypt
2654 # explicitly, or if gnutls links to gcrypt
2655 if test -z "$nettle"
2656 then
2657     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2658     then
2659         nettle="no"
2660     fi
2661 fi
2662
2663 has_libgcrypt_config() {
2664     if ! has "libgcrypt-config"
2665     then
2666         return 1
2667     fi
2668
2669     if test -n "$cross_prefix"
2670     then
2671         host=$(libgcrypt-config --host)
2672         if test "$host-" != $cross_prefix
2673         then
2674             return 1
2675         fi
2676     fi
2677
2678     return 0
2679 }
2680
2681 if test "$gcrypt" != "no"; then
2682     if has_libgcrypt_config; then
2683         gcrypt_cflags=$(libgcrypt-config --cflags)
2684         gcrypt_libs=$(libgcrypt-config --libs)
2685         # Debian has remove -lgpg-error from libgcrypt-config
2686         # as it "spreads unnecessary dependencies" which in
2687         # turn breaks static builds...
2688         if test "$static" = "yes"
2689         then
2690             gcrypt_libs="$gcrypt_libs -lgpg-error"
2691         fi
2692         libs_softmmu="$gcrypt_libs $libs_softmmu"
2693         libs_tools="$gcrypt_libs $libs_tools"
2694         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2695         gcrypt="yes"
2696         if test -z "$nettle"; then
2697            nettle="no"
2698         fi
2699
2700         cat > $TMPC << EOF
2701 #include <gcrypt.h>
2702 int main(void) {
2703   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2704                   GCRY_MD_SHA256,
2705                   NULL, 0, 0, 0, NULL);
2706  return 0;
2707 }
2708 EOF
2709         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2710             gcrypt_kdf=yes
2711         fi
2712
2713         cat > $TMPC << EOF
2714 #include <gcrypt.h>
2715 int main(void) {
2716   gcry_mac_hd_t handle;
2717   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2718                 GCRY_MAC_FLAG_SECURE, NULL);
2719   return 0;
2720 }
2721 EOF
2722         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2723             gcrypt_hmac=yes
2724         fi
2725     else
2726         if test "$gcrypt" = "yes"; then
2727             feature_not_found "gcrypt" "Install gcrypt devel"
2728         else
2729             gcrypt="no"
2730         fi
2731     fi
2732 fi
2733
2734
2735 if test "$nettle" != "no"; then
2736     if $pkg_config --exists "nettle"; then
2737         nettle_cflags=$($pkg_config --cflags nettle)
2738         nettle_libs=$($pkg_config --libs nettle)
2739         nettle_version=$($pkg_config --modversion nettle)
2740         libs_softmmu="$nettle_libs $libs_softmmu"
2741         libs_tools="$nettle_libs $libs_tools"
2742         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2743         nettle="yes"
2744
2745         cat > $TMPC << EOF
2746 #include <stddef.h>
2747 #include <nettle/pbkdf2.h>
2748 int main(void) {
2749      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2750      return 0;
2751 }
2752 EOF
2753         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2754             nettle_kdf=yes
2755         fi
2756     else
2757         if test "$nettle" = "yes"; then
2758             feature_not_found "nettle" "Install nettle devel"
2759         else
2760             nettle="no"
2761         fi
2762     fi
2763 fi
2764
2765 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2766 then
2767     error_exit "Only one of gcrypt & nettle can be enabled"
2768 fi
2769
2770 ##########################################
2771 # libtasn1 - only for the TLS creds/session test suite
2772
2773 tasn1=yes
2774 tasn1_cflags=""
2775 tasn1_libs=""
2776 if $pkg_config --exists "libtasn1"; then
2777     tasn1_cflags=$($pkg_config --cflags libtasn1)
2778     tasn1_libs=$($pkg_config --libs libtasn1)
2779 else
2780     tasn1=no
2781 fi
2782
2783
2784 ##########################################
2785 # getifaddrs (for tests/test-io-channel-socket )
2786
2787 have_ifaddrs_h=yes
2788 if ! check_include "ifaddrs.h" ; then
2789   have_ifaddrs_h=no
2790 fi
2791
2792 ##########################################
2793 # VTE probe
2794
2795 if test "$vte" != "no"; then
2796     if test "$gtkabi" = "3.0"; then
2797       vteminversion="0.32.0"
2798       if $pkg_config --exists "vte-2.91"; then
2799         vtepackage="vte-2.91"
2800       else
2801         vtepackage="vte-2.90"
2802       fi
2803     else
2804       vtepackage="vte"
2805       vteminversion="0.24.0"
2806     fi
2807     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2808         vte_cflags=$($pkg_config --cflags $vtepackage)
2809         vte_libs=$($pkg_config --libs $vtepackage)
2810         vteversion=$($pkg_config --modversion $vtepackage)
2811         libs_softmmu="$vte_libs $libs_softmmu"
2812         vte="yes"
2813     elif test "$vte" = "yes"; then
2814         if test "$gtkabi" = "3.0"; then
2815             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2816         else
2817             feature_not_found "vte" "Install libvte devel"
2818         fi
2819     else
2820         vte="no"
2821     fi
2822 fi
2823
2824 ##########################################
2825 # SDL probe
2826
2827 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2828 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2829
2830 if test "$sdlabi" = ""; then
2831     if $pkg_config --exists "sdl2"; then
2832         sdlabi=2.0
2833     elif $pkg_config --exists "sdl"; then
2834         sdlabi=1.2
2835     else
2836         sdlabi=2.0
2837     fi
2838 fi
2839
2840 if test $sdlabi = "2.0"; then
2841     sdl_config=$sdl2_config
2842     sdlname=sdl2
2843     sdlconfigname=sdl2_config
2844 elif test $sdlabi = "1.2"; then
2845     sdlname=sdl
2846     sdlconfigname=sdl_config
2847 else
2848     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2849 fi
2850
2851 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2852   sdl_config=$sdlconfigname
2853 fi
2854
2855 if $pkg_config $sdlname --exists; then
2856   sdlconfig="$pkg_config $sdlname"
2857   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2858 elif has ${sdl_config}; then
2859   sdlconfig="$sdl_config"
2860   sdlversion=$($sdlconfig --version)
2861 else
2862   if test "$sdl" = "yes" ; then
2863     feature_not_found "sdl" "Install SDL2-devel"
2864   fi
2865   sdl=no
2866 fi
2867 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2868   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2869 fi
2870
2871 sdl_too_old=no
2872 if test "$sdl" != "no" ; then
2873   cat > $TMPC << EOF
2874 #include <SDL.h>
2875 #undef main /* We don't want SDL to override our main() */
2876 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2877 EOF
2878   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2879   if test "$static" = "yes" ; then
2880     if $pkg_config $sdlname --exists; then
2881       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2882     else
2883       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2884     fi
2885   else
2886     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2887   fi
2888   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2889     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2890       sdl_too_old=yes
2891     else
2892       sdl=yes
2893     fi
2894
2895     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2896     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2897       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2898          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2899          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2900       fi
2901       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2902         :
2903       else
2904         sdl=no
2905       fi
2906     fi # static link
2907   else # sdl not found
2908     if test "$sdl" = "yes" ; then
2909       feature_not_found "sdl" "Install SDL devel"
2910     fi
2911     sdl=no
2912   fi # sdl compile test
2913 fi
2914
2915 if test "$sdl" = "yes" ; then
2916   cat > $TMPC <<EOF
2917 #include <SDL.h>
2918 #if defined(SDL_VIDEO_DRIVER_X11)
2919 #include <X11/XKBlib.h>
2920 #else
2921 #error No x11 support
2922 #endif
2923 int main(void) { return 0; }
2924 EOF
2925   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2926     need_x11=yes
2927     sdl_cflags="$sdl_cflags $x11_cflags"
2928     sdl_libs="$sdl_libs $x11_libs"
2929   fi
2930 fi
2931
2932 ##########################################
2933 # RDMA needs OpenFabrics libraries
2934 if test "$rdma" != "no" ; then
2935   cat > $TMPC <<EOF
2936 #include <rdma/rdma_cma.h>
2937 int main(void) { return 0; }
2938 EOF
2939   rdma_libs="-lrdmacm -libverbs -libumad"
2940   if compile_prog "" "$rdma_libs" ; then
2941     rdma="yes"
2942     libs_softmmu="$libs_softmmu $rdma_libs"
2943   else
2944     if test "$rdma" = "yes" ; then
2945         error_exit \
2946             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
2947             " Your options:" \
2948             "  (1) Fast: Install infiniband packages (devel) from your distro." \
2949             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2950             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2951     fi
2952     rdma="no"
2953   fi
2954 fi
2955
2956
2957 ##########################################
2958 # VNC SASL detection
2959 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2960   cat > $TMPC <<EOF
2961 #include <sasl/sasl.h>
2962 #include <stdio.h>
2963 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2964 EOF
2965   # Assuming Cyrus-SASL installed in /usr prefix
2966   vnc_sasl_cflags=""
2967   vnc_sasl_libs="-lsasl2"
2968   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2969     vnc_sasl=yes
2970     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2971     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2972   else
2973     if test "$vnc_sasl" = "yes" ; then
2974       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2975     fi
2976     vnc_sasl=no
2977   fi
2978 fi
2979
2980 ##########################################
2981 # VNC JPEG detection
2982 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2983 cat > $TMPC <<EOF
2984 #include <stdio.h>
2985 #include <jpeglib.h>
2986 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2987 EOF
2988     vnc_jpeg_cflags=""
2989     vnc_jpeg_libs="-ljpeg"
2990   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2991     vnc_jpeg=yes
2992     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2993     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2994   else
2995     if test "$vnc_jpeg" = "yes" ; then
2996       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2997     fi
2998     vnc_jpeg=no
2999   fi
3000 fi
3001
3002 ##########################################
3003 # VNC PNG detection
3004 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
3005 cat > $TMPC <<EOF
3006 //#include <stdio.h>
3007 #include <png.h>
3008 #include <stddef.h>
3009 int main(void) {
3010     png_structp png_ptr;
3011     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3012     return png_ptr != 0;
3013 }
3014 EOF
3015   if $pkg_config libpng --exists; then
3016     vnc_png_cflags=$($pkg_config libpng --cflags)
3017     vnc_png_libs=$($pkg_config libpng --libs)
3018   else
3019     vnc_png_cflags=""
3020     vnc_png_libs="-lpng"
3021   fi
3022   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3023     vnc_png=yes
3024     libs_softmmu="$vnc_png_libs $libs_softmmu"
3025     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3026   else
3027     if test "$vnc_png" = "yes" ; then
3028       feature_not_found "vnc-png" "Install libpng devel"
3029     fi
3030     vnc_png=no
3031   fi
3032 fi
3033
3034 ##########################################
3035 # xkbcommon probe
3036 if test "$xkbcommon" != "no" ; then
3037   if $pkg_config xkbcommon --exists; then
3038     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3039     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3040     xkbcommon=yes
3041   else
3042     if test "$xkbcommon" = "yes" ; then
3043       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3044     fi
3045     xkbcommon=no
3046   fi
3047 fi
3048
3049 ##########################################
3050 # fnmatch() probe, used for ACL routines
3051 fnmatch="no"
3052 cat > $TMPC << EOF
3053 #include <fnmatch.h>
3054 int main(void)
3055 {
3056     fnmatch("foo", "foo", 0);
3057     return 0;
3058 }
3059 EOF
3060 if compile_prog "" "" ; then
3061    fnmatch="yes"
3062 fi
3063
3064 ##########################################
3065 # xfsctl() probe, used for file-posix.c
3066 if test "$xfs" != "no" ; then
3067   cat > $TMPC << EOF
3068 #include <stddef.h>  /* NULL */
3069 #include <xfs/xfs.h>
3070 int main(void)
3071 {
3072     xfsctl(NULL, 0, 0, NULL);
3073     return 0;
3074 }
3075 EOF
3076   if compile_prog "" "" ; then
3077     xfs="yes"
3078   else
3079     if test "$xfs" = "yes" ; then
3080       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3081     fi
3082     xfs=no
3083   fi
3084 fi
3085
3086 ##########################################
3087 # vde libraries probe
3088 if test "$vde" != "no" ; then
3089   vde_libs="-lvdeplug"
3090   cat > $TMPC << EOF
3091 #include <libvdeplug.h>
3092 int main(void)
3093 {
3094     struct vde_open_args a = {0, 0, 0};
3095     char s[] = "";
3096     vde_open(s, s, &a);
3097     return 0;
3098 }
3099 EOF
3100   if compile_prog "" "$vde_libs" ; then
3101     vde=yes
3102   else
3103     if test "$vde" = "yes" ; then
3104       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3105     fi
3106     vde=no
3107   fi
3108 fi
3109
3110 ##########################################
3111 # netmap support probe
3112 # Apart from looking for netmap headers, we make sure that the host API version
3113 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3114 # a minor/major version number. Minor new features will be marked with values up
3115 # to 15, and if something happens that requires a change to the backend we will
3116 # move above 15, submit the backend fixes and modify this two bounds.
3117 if test "$netmap" != "no" ; then
3118   cat > $TMPC << EOF
3119 #include <inttypes.h>
3120 #include <net/if.h>
3121 #include <net/netmap.h>
3122 #include <net/netmap_user.h>
3123 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3124 #error
3125 #endif
3126 int main(void) { return 0; }
3127 EOF
3128   if compile_prog "" "" ; then
3129     netmap=yes
3130   else
3131     if test "$netmap" = "yes" ; then
3132       feature_not_found "netmap"
3133     fi
3134     netmap=no
3135   fi
3136 fi
3137
3138 ##########################################
3139 # libcap-ng library probe
3140 if test "$cap_ng" != "no" ; then
3141   cap_libs="-lcap-ng"
3142   cat > $TMPC << EOF
3143 #include <cap-ng.h>
3144 int main(void)
3145 {
3146     capng_capability_to_name(CAPNG_EFFECTIVE);
3147     return 0;
3148 }
3149 EOF
3150   if compile_prog "" "$cap_libs" ; then
3151     cap_ng=yes
3152     libs_tools="$cap_libs $libs_tools"
3153   else
3154     if test "$cap_ng" = "yes" ; then
3155       feature_not_found "cap_ng" "Install libcap-ng devel"
3156     fi
3157     cap_ng=no
3158   fi
3159 fi
3160
3161 ##########################################
3162 # Sound support libraries probe
3163
3164 audio_drv_probe()
3165 {
3166     drv=$1
3167     hdr=$2
3168     lib=$3
3169     exp=$4
3170     cfl=$5
3171         cat > $TMPC << EOF
3172 #include <$hdr>
3173 int main(void) { $exp }
3174 EOF
3175     if compile_prog "$cfl" "$lib" ; then
3176         :
3177     else
3178         error_exit "$drv check failed" \
3179             "Make sure to have the $drv libs and headers installed."
3180     fi
3181 }
3182
3183 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3184 for drv in $audio_drv_list; do
3185     case $drv in
3186     alsa)
3187     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3188         "return snd_pcm_close((snd_pcm_t *)0);"
3189     alsa_libs="-lasound"
3190     ;;
3191
3192     pa)
3193     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3194         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3195     pulse_libs="-lpulse"
3196     audio_pt_int="yes"
3197     ;;
3198
3199     sdl)
3200     if test "$sdl" = "no"; then
3201         error_exit "sdl not found or disabled, can not use sdl audio driver"
3202     fi
3203     ;;
3204
3205     coreaudio)
3206       coreaudio_libs="-framework CoreAudio"
3207     ;;
3208
3209     dsound)
3210       dsound_libs="-lole32 -ldxguid"
3211       audio_win_int="yes"
3212     ;;
3213
3214     oss)
3215       oss_libs="$oss_lib"
3216     ;;
3217
3218     wav)
3219     # XXX: Probes for CoreAudio, DirectSound
3220     ;;
3221
3222     *)
3223     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3224         error_exit "Unknown driver '$drv' selected" \
3225             "Possible drivers are: $audio_possible_drivers"
3226     }
3227     ;;
3228     esac
3229 done
3230
3231 ##########################################
3232 # BrlAPI probe
3233
3234 if test "$brlapi" != "no" ; then
3235   brlapi_libs="-lbrlapi"
3236   cat > $TMPC << EOF
3237 #include <brlapi.h>
3238 #include <stddef.h>
3239 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3240 EOF
3241   if compile_prog "" "$brlapi_libs" ; then
3242     brlapi=yes
3243   else
3244     if test "$brlapi" = "yes" ; then
3245       feature_not_found "brlapi" "Install brlapi devel"
3246     fi
3247     brlapi=no
3248   fi
3249 fi
3250
3251 ##########################################
3252 # curses probe
3253 if test "$curses" != "no" ; then
3254   if test "$mingw32" = "yes" ; then
3255     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3256     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3257   else
3258     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3259     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3260   fi
3261   curses_found=no
3262   cat > $TMPC << EOF
3263 #include <locale.h>
3264 #include <curses.h>
3265 #include <wchar.h>
3266 int main(void) {
3267   wchar_t wch = L'w';
3268   setlocale(LC_ALL, "");
3269   resize_term(0, 0);
3270   addwstr(L"wide chars\n");
3271   addnwstr(&wch, 1);
3272   add_wch(WACS_DEGREE);
3273   return 0;
3274 }
3275 EOF
3276   IFS=:
3277   for curses_inc in $curses_inc_list; do
3278     # Make sure we get the wide character prototypes
3279     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3280     IFS=:
3281     for curses_lib in $curses_lib_list; do
3282       unset IFS
3283       if compile_prog "$curses_inc" "$curses_lib" ; then
3284         curses_found=yes
3285         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3286         libs_softmmu="$curses_lib $libs_softmmu"
3287         break
3288       fi
3289     done
3290     if test "$curses_found" = yes ; then
3291       break
3292     fi
3293   done
3294   unset IFS
3295   if test "$curses_found" = "yes" ; then
3296     curses=yes
3297   else
3298     if test "$curses" = "yes" ; then
3299       feature_not_found "curses" "Install ncurses devel"
3300     fi
3301     curses=no
3302   fi
3303 fi
3304
3305 ##########################################
3306 # curl probe
3307 if test "$curl" != "no" ; then
3308   if $pkg_config libcurl --exists; then
3309     curlconfig="$pkg_config libcurl"
3310   else
3311     curlconfig=curl-config
3312   fi
3313   cat > $TMPC << EOF
3314 #include <curl/curl.h>
3315 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3316 EOF
3317   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3318   curl_libs=$($curlconfig --libs 2>/dev/null)
3319   if compile_prog "$curl_cflags" "$curl_libs" ; then
3320     curl=yes
3321   else
3322     if test "$curl" = "yes" ; then
3323       feature_not_found "curl" "Install libcurl devel"
3324     fi
3325     curl=no
3326   fi
3327 fi # test "$curl"
3328
3329 ##########################################
3330 # bluez support probe
3331 if test "$bluez" != "no" ; then
3332   cat > $TMPC << EOF
3333 #include <bluetooth/bluetooth.h>
3334 int main(void) { return bt_error(0); }
3335 EOF
3336   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3337   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3338   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3339     bluez=yes
3340     libs_softmmu="$bluez_libs $libs_softmmu"
3341   else
3342     if test "$bluez" = "yes" ; then
3343       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3344     fi
3345     bluez="no"
3346   fi
3347 fi
3348
3349 ##########################################
3350 # glib support probe
3351
3352 if test "$mingw32" = yes; then
3353     glib_req_ver=2.30
3354 else
3355     glib_req_ver=2.22
3356 fi
3357 glib_modules=gthread-2.0
3358 if test "$modules" = yes; then
3359     glib_modules="$glib_modules gmodule-2.0"
3360 fi
3361
3362 # This workaround is required due to a bug in pkg-config file for glib as it
3363 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3364
3365 if test "$static" = yes -a "$mingw32" = yes; then
3366     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3367 fi
3368
3369 for i in $glib_modules; do
3370     if $pkg_config --atleast-version=$glib_req_ver $i; then
3371         glib_cflags=$($pkg_config --cflags $i)
3372         glib_libs=$($pkg_config --libs $i)
3373         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3374         LIBS="$glib_libs $LIBS"
3375         libs_qga="$glib_libs $libs_qga"
3376     else
3377         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3378     fi
3379 done
3380
3381 # Sanity check that the current size_t matches the
3382 # size that glib thinks it should be. This catches
3383 # problems on multi-arch where people try to build
3384 # 32-bit QEMU while pointing at 64-bit glib headers
3385 cat > $TMPC <<EOF
3386 #include <glib.h>
3387 #include <unistd.h>
3388
3389 #define QEMU_BUILD_BUG_ON(x) \
3390   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3391
3392 int main(void) {
3393    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3394    return 0;
3395 }
3396 EOF
3397
3398 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3399     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3400                "You probably need to set PKG_CONFIG_LIBDIR"\
3401                "to point to the right pkg-config files for your"\
3402                "build target"
3403 fi
3404
3405 # g_test_trap_subprocess added in 2.38. Used by some tests.
3406 glib_subprocess=yes
3407 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3408     glib_subprocess=no
3409 fi
3410
3411 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3412 cat > $TMPC << EOF
3413 #include <glib.h>
3414 int main(void) { return 0; }
3415 EOF
3416 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3417     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3418         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3419         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3420     fi
3421 fi
3422
3423 ##########################################
3424 # SHA command probe for modules
3425 if test "$modules" = yes; then
3426     shacmd_probe="sha1sum sha1 shasum"
3427     for c in $shacmd_probe; do
3428         if has $c; then
3429             shacmd="$c"
3430             break
3431         fi
3432     done
3433     if test "$shacmd" = ""; then
3434         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3435     fi
3436 fi
3437
3438 ##########################################
3439 # pixman support probe
3440
3441 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3442   pixman_cflags=
3443   pixman_libs=
3444 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3445   pixman_cflags=$($pkg_config --cflags pixman-1)
3446   pixman_libs=$($pkg_config --libs pixman-1)
3447 else
3448   error_exit "pixman >= 0.21.8 not present." \
3449       "Please install the pixman devel package."
3450 fi
3451
3452 ##########################################
3453 # libmpathpersist probe
3454
3455 if test "$mpath" != "no" ; then
3456   cat > $TMPC <<EOF
3457 #include <libudev.h>
3458 #include <mpath_persist.h>
3459 unsigned mpath_mx_alloc_len = 1024;
3460 int logsink;
3461 static struct config *multipath_conf;
3462 extern struct udev *udev;
3463 extern struct config *get_multipath_config(void);
3464 extern void put_multipath_config(struct config *conf);
3465 struct udev *udev;
3466 struct config *get_multipath_config(void) { return multipath_conf; }
3467 void put_multipath_config(struct config *conf) { }
3468
3469 int main(void) {
3470     udev = udev_new();
3471     multipath_conf = mpath_lib_init();
3472     return 0;
3473 }
3474 EOF
3475   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3476     mpathpersist=yes
3477   else
3478     mpathpersist=no
3479   fi
3480 else
3481   mpathpersist=no
3482 fi
3483
3484 ##########################################
3485 # libcap probe
3486
3487 if test "$cap" != "no" ; then
3488   cat > $TMPC <<EOF
3489 #include <stdio.h>
3490 #include <sys/capability.h>
3491 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3492 EOF
3493   if compile_prog "" "-lcap" ; then
3494     cap=yes
3495   else
3496     cap=no
3497   fi
3498 fi
3499
3500 ##########################################
3501 # pthread probe
3502 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3503
3504 pthread=no
3505 cat > $TMPC << EOF
3506 #include <pthread.h>
3507 static void *f(void *p) { return NULL; }
3508 int main(void) {
3509   pthread_t thread;
3510   pthread_create(&thread, 0, f, 0);
3511   return 0;
3512 }
3513 EOF
3514 if compile_prog "" "" ; then
3515   pthread=yes
3516 else
3517   for pthread_lib in $PTHREADLIBS_LIST; do
3518     if compile_prog "" "$pthread_lib" ; then
3519       pthread=yes
3520       found=no
3521       for lib_entry in $LIBS; do
3522         if test "$lib_entry" = "$pthread_lib"; then
3523           found=yes
3524           break
3525         fi
3526       done
3527       if test "$found" = "no"; then
3528         LIBS="$pthread_lib $LIBS"
3529         libs_qga="$pthread_lib $libs_qga"
3530       fi
3531       PTHREAD_LIB="$pthread_lib"
3532       break
3533     fi
3534   done
3535 fi
3536
3537 if test "$mingw32" != yes -a "$pthread" = no; then
3538   error_exit "pthread check failed" \
3539       "Make sure to have the pthread libs and headers installed."
3540 fi
3541
3542 # check for pthread_setname_np
3543 pthread_setname_np=no
3544 cat > $TMPC << EOF
3545 #include <pthread.h>
3546
3547 static void *f(void *p) { return NULL; }
3548 int main(void)
3549 {
3550     pthread_t thread;
3551     pthread_create(&thread, 0, f, 0);
3552     pthread_setname_np(thread, "QEMU");
3553     return 0;
3554 }
3555 EOF
3556 if compile_prog "" "$pthread_lib" ; then
3557   pthread_setname_np=yes
3558 fi
3559
3560 ##########################################
3561 # rbd probe
3562 if test "$rbd" != "no" ; then
3563   cat > $TMPC <<EOF
3564 #include <stdio.h>
3565 #include <rbd/librbd.h>
3566 int main(void) {
3567     rados_t cluster;
3568     rados_create(&cluster, NULL);
3569     return 0;
3570 }
3571 EOF
3572   rbd_libs="-lrbd -lrados"
3573   if compile_prog "" "$rbd_libs" ; then
3574     rbd=yes
3575   else
3576     if test "$rbd" = "yes" ; then
3577       feature_not_found "rados block device" "Install librbd/ceph devel"
3578     fi
3579     rbd=no
3580   fi
3581 fi
3582
3583 ##########################################
3584 # libssh2 probe
3585 min_libssh2_version=1.2.8
3586 if test "$libssh2" != "no" ; then
3587   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3588     libssh2_cflags=$($pkg_config libssh2 --cflags)
3589     libssh2_libs=$($pkg_config libssh2 --libs)
3590     libssh2=yes
3591   else
3592     if test "$libssh2" = "yes" ; then
3593       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3594     fi
3595     libssh2=no
3596   fi
3597 fi
3598
3599 ##########################################
3600 # libssh2_sftp_fsync probe
3601
3602 if test "$libssh2" = "yes"; then
3603   cat > $TMPC <<EOF
3604 #include <stdio.h>
3605 #include <libssh2.h>
3606 #include <libssh2_sftp.h>
3607 int main(void) {
3608     LIBSSH2_SESSION *session;
3609     LIBSSH2_SFTP *sftp;
3610     LIBSSH2_SFTP_HANDLE *sftp_handle;
3611     session = libssh2_session_init ();
3612     sftp = libssh2_sftp_init (session);
3613     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3614     libssh2_sftp_fsync (sftp_handle);
3615     return 0;
3616 }
3617 EOF
3618   # libssh2_cflags/libssh2_libs defined in previous test.
3619   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3620     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3621   fi
3622 fi
3623
3624 ##########################################
3625 # linux-aio probe
3626
3627 if test "$linux_aio" != "no" ; then
3628   cat > $TMPC <<EOF
3629 #include <libaio.h>
3630 #include <sys/eventfd.h>
3631 #include <stddef.h>
3632 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3633 EOF
3634   if compile_prog "" "-laio" ; then
3635     linux_aio=yes
3636   else
3637     if test "$linux_aio" = "yes" ; then
3638       feature_not_found "linux AIO" "Install libaio devel"
3639     fi
3640     linux_aio=no
3641   fi
3642 fi
3643
3644 ##########################################
3645 # TPM passthrough is only on x86 Linux
3646
3647 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3648   tpm_passthrough=$tpm
3649 else
3650   tpm_passthrough=no
3651 fi
3652
3653 # TPM emulator is for all posix systems
3654 if test "$mingw32" != "yes"; then
3655   tpm_emulator=$tpm
3656 else
3657   tpm_emulator=no
3658 fi
3659 ##########################################
3660 # attr probe
3661
3662 if test "$attr" != "no" ; then
3663   cat > $TMPC <<EOF
3664 #include <stdio.h>
3665 #include <sys/types.h>
3666 #ifdef CONFIG_LIBATTR
3667 #include <attr/xattr.h>
3668 #else
3669 #include <sys/xattr.h>
3670 #endif
3671 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3672 EOF
3673   if compile_prog "" "" ; then
3674     attr=yes
3675   # Older distros have <attr/xattr.h>, and need -lattr:
3676   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3677     attr=yes
3678     LIBS="-lattr $LIBS"
3679     libattr=yes
3680   else
3681     if test "$attr" = "yes" ; then
3682       feature_not_found "ATTR" "Install libc6 or libattr devel"
3683     fi
3684     attr=no
3685   fi
3686 fi
3687
3688 ##########################################
3689 # iovec probe
3690 cat > $TMPC <<EOF
3691 #include <sys/types.h>
3692 #include <sys/uio.h>
3693 #include <unistd.h>
3694 int main(void) { return sizeof(struct iovec); }
3695 EOF
3696 iovec=no
3697 if compile_prog "" "" ; then
3698   iovec=yes
3699 fi
3700
3701 ##########################################
3702 # preadv probe
3703 cat > $TMPC <<EOF
3704 #include <sys/types.h>
3705 #include <sys/uio.h>
3706 #include <unistd.h>
3707 int main(void) { return preadv(0, 0, 0, 0); }
3708 EOF
3709 preadv=no
3710 if compile_prog "" "" ; then
3711   preadv=yes
3712 fi
3713
3714 ##########################################
3715 # fdt probe
3716 # fdt support is mandatory for at least some target architectures,
3717 # so insist on it if we're building those system emulators.
3718 fdt_required=no
3719 for target in $target_list; do
3720   case $target in
3721     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3722       fdt_required=yes
3723     ;;
3724   esac
3725 done
3726
3727 if test "$fdt_required" = "yes"; then
3728   if test "$fdt" = "no"; then
3729     error_exit "fdt disabled but some requested targets require it." \
3730       "You can turn off fdt only if you also disable all the system emulation" \
3731       "targets which need it (by specifying a cut down --target-list)."
3732   fi
3733   fdt=yes
3734 fi
3735
3736 if test "$fdt" != "no" ; then
3737   fdt_libs="-lfdt"
3738   # explicitly check for libfdt_env.h as it is missing in some stable installs
3739   # and test for required functions to make sure we are on a version >= 1.4.2
3740   cat > $TMPC << EOF
3741 #include <libfdt.h>
3742 #include <libfdt_env.h>
3743 int main(void) { fdt_first_subnode(0, 0); return 0; }
3744 EOF
3745   if compile_prog "" "$fdt_libs" ; then
3746     # system DTC is good - use it
3747     fdt=yes
3748   else
3749       # have GIT checkout, so activate dtc submodule
3750       if test -e "${source_path}/.git" ; then
3751           git_submodules="${git_submodules} dtc"
3752       fi
3753       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3754           fdt=yes
3755           dtc_internal="yes"
3756           mkdir -p dtc
3757           if [ "$pwd_is_source_path" != "y" ] ; then
3758               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3759               symlink "$source_path/dtc/scripts" "dtc/scripts"
3760           fi
3761           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3762           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3763       elif test "$fdt" = "yes" ; then
3764           # Not a git build & no libfdt found, prompt for system install
3765           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3766                      "Please install the DTC (libfdt) devel package"
3767       else
3768           # don't have and don't want
3769           fdt_libs=
3770           fdt=no
3771       fi
3772   fi
3773 fi
3774
3775 libs_softmmu="$libs_softmmu $fdt_libs"
3776
3777 ##########################################
3778 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3779
3780 if test "$opengl" != "no" ; then
3781   opengl_pkgs="epoxy libdrm gbm"
3782   if $pkg_config $opengl_pkgs; then
3783     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3784     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3785     opengl=yes
3786     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3787         gtk_gl="yes"
3788     fi
3789     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3790   else
3791     if test "$opengl" = "yes" ; then
3792       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3793     fi
3794     opengl_cflags=""
3795     opengl_libs=""
3796     opengl=no
3797   fi
3798 fi
3799
3800 if test "$opengl" = "yes"; then
3801   cat > $TMPC << EOF
3802 #include <epoxy/egl.h>
3803 #ifndef EGL_MESA_image_dma_buf_export
3804 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3805 #endif
3806 int main(void) { return 0; }
3807 EOF
3808   if compile_prog "" "" ; then
3809     opengl_dmabuf=yes
3810   fi
3811 fi
3812
3813 ##########################################
3814 # libxml2 probe
3815 if test "$libxml2" != "no" ; then
3816     if $pkg_config --exists libxml-2.0; then
3817         libxml2="yes"
3818         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3819         libxml2_libs=$($pkg_config --libs libxml-2.0)
3820     else
3821         if test "$libxml2" = "yes"; then
3822             feature_not_found "libxml2" "Install libxml2 devel"
3823         fi
3824         libxml2="no"
3825     fi
3826 fi
3827
3828 ##########################################
3829 # glusterfs probe
3830 if test "$glusterfs" != "no" ; then
3831   if $pkg_config --atleast-version=3 glusterfs-api; then
3832     glusterfs="yes"
3833     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3834     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3835     if $pkg_config --atleast-version=4 glusterfs-api; then
3836       glusterfs_xlator_opt="yes"
3837     fi
3838     if $pkg_config --atleast-version=5 glusterfs-api; then
3839       glusterfs_discard="yes"
3840     fi
3841     if $pkg_config --atleast-version=6 glusterfs-api; then
3842       glusterfs_fallocate="yes"
3843       glusterfs_zerofill="yes"
3844     fi
3845   else
3846     if test "$glusterfs" = "yes" ; then
3847       feature_not_found "GlusterFS backend support" \
3848           "Install glusterfs-api devel >= 3"
3849     fi
3850     glusterfs="no"
3851   fi
3852 fi
3853
3854 # Check for inotify functions when we are building linux-user
3855 # emulator.  This is done because older glibc versions don't
3856 # have syscall stubs for these implemented.  In that case we
3857 # don't provide them even if kernel supports them.
3858 #
3859 inotify=no
3860 cat > $TMPC << EOF
3861 #include <sys/inotify.h>
3862
3863 int
3864 main(void)
3865 {
3866         /* try to start inotify */
3867         return inotify_init();
3868 }
3869 EOF
3870 if compile_prog "" "" ; then
3871   inotify=yes
3872 fi
3873
3874 inotify1=no
3875 cat > $TMPC << EOF
3876 #include <sys/inotify.h>
3877
3878 int
3879 main(void)
3880 {
3881     /* try to start inotify */
3882     return inotify_init1(0);
3883 }
3884 EOF
3885 if compile_prog "" "" ; then
3886   inotify1=yes
3887 fi
3888
3889 # check if pipe2 is there
3890 pipe2=no
3891 cat > $TMPC << EOF
3892 #include <unistd.h>
3893 #include <fcntl.h>
3894
3895 int main(void)
3896 {
3897     int pipefd[2];
3898     return pipe2(pipefd, O_CLOEXEC);
3899 }
3900 EOF
3901 if compile_prog "" "" ; then
3902   pipe2=yes
3903 fi
3904
3905 # check if accept4 is there
3906 accept4=no
3907 cat > $TMPC << EOF
3908 #include <sys/socket.h>
3909 #include <stddef.h>
3910
3911 int main(void)
3912 {
3913     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3914     return 0;
3915 }
3916 EOF
3917 if compile_prog "" "" ; then
3918   accept4=yes
3919 fi
3920
3921 # check if tee/splice is there. vmsplice was added same time.
3922 splice=no
3923 cat > $TMPC << EOF
3924 #include <unistd.h>
3925 #include <fcntl.h>
3926 #include <limits.h>
3927
3928 int main(void)
3929 {
3930     int len, fd = 0;
3931     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3932     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3933     return 0;
3934 }
3935 EOF
3936 if compile_prog "" "" ; then
3937   splice=yes
3938 fi
3939
3940 ##########################################
3941 # libnuma probe
3942
3943 if test "$numa" != "no" ; then
3944   cat > $TMPC << EOF
3945 #include <numa.h>
3946 int main(void) { return numa_available(); }
3947 EOF
3948
3949   if compile_prog "" "-lnuma" ; then
3950     numa=yes
3951     libs_softmmu="-lnuma $libs_softmmu"
3952   else
3953     if test "$numa" = "yes" ; then
3954       feature_not_found "numa" "install numactl devel"
3955     fi
3956     numa=no
3957   fi
3958 fi
3959
3960 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3961     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3962     exit 1
3963 fi
3964
3965 # Even if malloc_trim() is available, these non-libc memory allocators
3966 # do not support it.
3967 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3968     if test "$malloc_trim" = "yes" ; then
3969         echo "Disabling malloc_trim with non-libc memory allocator"
3970     fi
3971     malloc_trim="no"
3972 fi
3973
3974 #######################################
3975 # malloc_trim
3976
3977 if test "$malloc_trim" != "no" ; then
3978     cat > $TMPC << EOF
3979 #include <malloc.h>
3980 int main(void) { malloc_trim(0); return 0; }
3981 EOF
3982     if compile_prog "" "" ; then
3983         malloc_trim="yes"
3984     else
3985         malloc_trim="no"
3986     fi
3987 fi
3988
3989 ##########################################
3990 # tcmalloc probe
3991
3992 if test "$tcmalloc" = "yes" ; then
3993   cat > $TMPC << EOF
3994 #include <stdlib.h>
3995 int main(void) { malloc(1); return 0; }
3996 EOF
3997
3998   if compile_prog "" "-ltcmalloc" ; then
3999     LIBS="-ltcmalloc $LIBS"
4000   else
4001     feature_not_found "tcmalloc" "install gperftools devel"
4002   fi
4003 fi
4004
4005 ##########################################
4006 # jemalloc probe
4007
4008 if test "$jemalloc" = "yes" ; then
4009   cat > $TMPC << EOF
4010 #include <stdlib.h>
4011 int main(void) { malloc(1); return 0; }
4012 EOF
4013
4014   if compile_prog "" "-ljemalloc" ; then
4015     LIBS="-ljemalloc $LIBS"
4016   else
4017     feature_not_found "jemalloc" "install jemalloc devel"
4018   fi
4019 fi
4020
4021 ##########################################
4022 # signalfd probe
4023 signalfd="no"
4024 cat > $TMPC << EOF
4025 #include <unistd.h>
4026 #include <sys/syscall.h>
4027 #include <signal.h>
4028 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4029 EOF
4030
4031 if compile_prog "" "" ; then
4032   signalfd=yes
4033 fi
4034
4035 # check if eventfd is supported
4036 eventfd=no
4037 cat > $TMPC << EOF
4038 #include <sys/eventfd.h>
4039
4040 int main(void)
4041 {
4042     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4043 }
4044 EOF
4045 if compile_prog "" "" ; then
4046   eventfd=yes
4047 fi
4048
4049 # check if memfd is supported
4050 memfd=no
4051 cat > $TMPC << EOF
4052 #include <sys/mman.h>
4053
4054 int main(void)
4055 {
4056     return memfd_create("foo", MFD_ALLOW_SEALING);
4057 }
4058 EOF
4059 if compile_prog "" "" ; then
4060   memfd=yes
4061 fi
4062
4063
4064
4065 # check for fallocate
4066 fallocate=no
4067 cat > $TMPC << EOF
4068 #include <fcntl.h>
4069
4070 int main(void)
4071 {
4072     fallocate(0, 0, 0, 0);
4073     return 0;
4074 }
4075 EOF
4076 if compile_prog "" "" ; then
4077   fallocate=yes
4078 fi
4079
4080 # check for fallocate hole punching
4081 fallocate_punch_hole=no
4082 cat > $TMPC << EOF
4083 #include <fcntl.h>
4084 #include <linux/falloc.h>
4085
4086 int main(void)
4087 {
4088     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4089     return 0;
4090 }
4091 EOF
4092 if compile_prog "" "" ; then
4093   fallocate_punch_hole=yes
4094 fi
4095
4096 # check that fallocate supports range zeroing inside the file
4097 fallocate_zero_range=no
4098 cat > $TMPC << EOF
4099 #include <fcntl.h>
4100 #include <linux/falloc.h>
4101
4102 int main(void)
4103 {
4104     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4105     return 0;
4106 }
4107 EOF
4108 if compile_prog "" "" ; then
4109   fallocate_zero_range=yes
4110 fi
4111
4112 # check for posix_fallocate
4113 posix_fallocate=no
4114 cat > $TMPC << EOF
4115 #include <fcntl.h>
4116
4117 int main(void)
4118 {
4119     posix_fallocate(0, 0, 0);
4120     return 0;
4121 }
4122 EOF
4123 if compile_prog "" "" ; then
4124     posix_fallocate=yes
4125 fi
4126
4127 # check for sync_file_range
4128 sync_file_range=no
4129 cat > $TMPC << EOF
4130 #include <fcntl.h>
4131
4132 int main(void)
4133 {
4134     sync_file_range(0, 0, 0, 0);
4135     return 0;
4136 }
4137 EOF
4138 if compile_prog "" "" ; then
4139   sync_file_range=yes
4140 fi
4141
4142 # check for linux/fiemap.h and FS_IOC_FIEMAP
4143 fiemap=no
4144 cat > $TMPC << EOF
4145 #include <sys/ioctl.h>
4146 #include <linux/fs.h>
4147 #include <linux/fiemap.h>
4148
4149 int main(void)
4150 {
4151     ioctl(0, FS_IOC_FIEMAP, 0);
4152     return 0;
4153 }
4154 EOF
4155 if compile_prog "" "" ; then
4156   fiemap=yes
4157 fi
4158
4159 # check for dup3
4160 dup3=no
4161 cat > $TMPC << EOF
4162 #include <unistd.h>
4163
4164 int main(void)
4165 {
4166     dup3(0, 0, 0);
4167     return 0;
4168 }
4169 EOF
4170 if compile_prog "" "" ; then
4171   dup3=yes
4172 fi
4173
4174 # check for ppoll support
4175 ppoll=no
4176 cat > $TMPC << EOF
4177 #include <poll.h>
4178
4179 int main(void)
4180 {
4181     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4182     ppoll(&pfd, 1, 0, 0);
4183     return 0;
4184 }
4185 EOF
4186 if compile_prog "" "" ; then
4187   ppoll=yes
4188 fi
4189
4190 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4191 prctl_pr_set_timerslack=no
4192 cat > $TMPC << EOF
4193 #include <sys/prctl.h>
4194
4195 int main(void)
4196 {
4197     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4198     return 0;
4199 }
4200 EOF
4201 if compile_prog "" "" ; then
4202   prctl_pr_set_timerslack=yes
4203 fi
4204
4205 # check for epoll support
4206 epoll=no
4207 cat > $TMPC << EOF
4208 #include <sys/epoll.h>
4209
4210 int main(void)
4211 {
4212     epoll_create(0);
4213     return 0;
4214 }
4215 EOF
4216 if compile_prog "" "" ; then
4217   epoll=yes
4218 fi
4219
4220 # epoll_create1 is a later addition
4221 # so we must check separately for its presence
4222 epoll_create1=no
4223 cat > $TMPC << EOF
4224 #include <sys/epoll.h>
4225
4226 int main(void)
4227 {
4228     /* Note that we use epoll_create1 as a value, not as
4229      * a function being called. This is necessary so that on
4230      * old SPARC glibc versions where the function was present in
4231      * the library but not declared in the header file we will
4232      * fail the configure check. (Otherwise we will get a compiler
4233      * warning but not an error, and will proceed to fail the
4234      * qemu compile where we compile with -Werror.)
4235      */
4236     return (int)(uintptr_t)&epoll_create1;
4237 }
4238 EOF
4239 if compile_prog "" "" ; then
4240   epoll_create1=yes
4241 fi
4242
4243 # check for sendfile support
4244 sendfile=no
4245 cat > $TMPC << EOF
4246 #include <sys/sendfile.h>
4247
4248 int main(void)
4249 {
4250     return sendfile(0, 0, 0, 0);
4251 }
4252 EOF
4253 if compile_prog "" "" ; then
4254   sendfile=yes
4255 fi
4256
4257 # check for timerfd support (glibc 2.8 and newer)
4258 timerfd=no
4259 cat > $TMPC << EOF
4260 #include <sys/timerfd.h>
4261
4262 int main(void)
4263 {
4264     return(timerfd_create(CLOCK_REALTIME, 0));
4265 }
4266 EOF
4267 if compile_prog "" "" ; then
4268   timerfd=yes
4269 fi
4270
4271 # check for setns and unshare support
4272 setns=no
4273 cat > $TMPC << EOF
4274 #include <sched.h>
4275
4276 int main(void)
4277 {
4278     int ret;
4279     ret = setns(0, 0);
4280     ret = unshare(0);
4281     return ret;
4282 }
4283 EOF
4284 if compile_prog "" "" ; then
4285   setns=yes
4286 fi
4287
4288 # clock_adjtime probe
4289 clock_adjtime=no
4290 cat > $TMPC <<EOF
4291 #include <time.h>
4292
4293 int main(void)
4294 {
4295     return clock_adjtime(0, 0);
4296 }
4297 EOF
4298 clock_adjtime=no
4299 if compile_prog "" "" ; then
4300   clock_adjtime=yes
4301 fi
4302
4303 # syncfs probe
4304 syncfs=no
4305 cat > $TMPC <<EOF
4306 #include <unistd.h>
4307
4308 int main(void)
4309 {
4310     return syncfs(0);
4311 }
4312 EOF
4313 syncfs=no
4314 if compile_prog "" "" ; then
4315   syncfs=yes
4316 fi
4317
4318 # Check if tools are available to build documentation.
4319 if test "$docs" != "no" ; then
4320   if has makeinfo && has pod2man; then
4321     docs=yes
4322   else
4323     if test "$docs" = "yes" ; then
4324       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4325     fi
4326     docs=no
4327   fi
4328 fi
4329
4330 # Search for bswap_32 function
4331 byteswap_h=no
4332 cat > $TMPC << EOF
4333 #include <byteswap.h>
4334 int main(void) { return bswap_32(0); }
4335 EOF
4336 if compile_prog "" "" ; then
4337   byteswap_h=yes
4338 fi
4339
4340 # Search for bswap32 function
4341 bswap_h=no
4342 cat > $TMPC << EOF
4343 #include <sys/endian.h>
4344 #include <sys/types.h>
4345 #include <machine/bswap.h>
4346 int main(void) { return bswap32(0); }
4347 EOF
4348 if compile_prog "" "" ; then
4349   bswap_h=yes
4350 fi
4351
4352 ##########################################
4353 # Do we have libiscsi >= 1.9.0
4354 if test "$libiscsi" != "no" ; then
4355   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4356     libiscsi="yes"
4357     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4358     libiscsi_libs=$($pkg_config --libs libiscsi)
4359   else
4360     if test "$libiscsi" = "yes" ; then
4361       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4362     fi
4363     libiscsi="no"
4364   fi
4365 fi
4366
4367 ##########################################
4368 # Do we need libm
4369 cat > $TMPC << EOF
4370 #include <math.h>
4371 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4372 EOF
4373 if compile_prog "" "" ; then
4374   :
4375 elif compile_prog "" "-lm" ; then
4376   LIBS="-lm $LIBS"
4377   libs_qga="-lm $libs_qga"
4378 else
4379   error_exit "libm check failed"
4380 fi
4381
4382 ##########################################
4383 # Do we need librt
4384 # uClibc provides 2 versions of clock_gettime(), one with realtime
4385 # support and one without. This means that the clock_gettime() don't
4386 # need -lrt. We still need it for timer_create() so we check for this
4387 # function in addition.
4388 cat > $TMPC <<EOF
4389 #include <signal.h>
4390 #include <time.h>
4391 int main(void) {
4392   timer_create(CLOCK_REALTIME, NULL, NULL);
4393   return clock_gettime(CLOCK_REALTIME, NULL);
4394 }
4395 EOF
4396
4397 if compile_prog "" "" ; then
4398   :
4399 # we need pthread for static linking. use previous pthread test result
4400 elif compile_prog "" "$pthread_lib -lrt" ; then
4401   LIBS="$LIBS -lrt"
4402   libs_qga="$libs_qga -lrt"
4403 fi
4404
4405 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4406         "$haiku" != "yes" ; then
4407     libs_softmmu="-lutil $libs_softmmu"
4408 fi
4409
4410 ##########################################
4411 # spice probe
4412 if test "$spice" != "no" ; then
4413   cat > $TMPC << EOF
4414 #include <spice.h>
4415 int main(void) { spice_server_new(); return 0; }
4416 EOF
4417   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4418   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4419   if $pkg_config --atleast-version=0.12.0 spice-server && \
4420      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4421      compile_prog "$spice_cflags" "$spice_libs" ; then
4422     spice="yes"
4423     libs_softmmu="$libs_softmmu $spice_libs"
4424     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4425     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4426     spice_server_version=$($pkg_config --modversion spice-server)
4427   else
4428     if test "$spice" = "yes" ; then
4429       feature_not_found "spice" \
4430           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4431     fi
4432     spice="no"
4433   fi
4434 fi
4435
4436 # check for smartcard support
4437 if test "$smartcard" != "no"; then
4438     if $pkg_config libcacard; then
4439         libcacard_cflags=$($pkg_config --cflags libcacard)
4440         libcacard_libs=$($pkg_config --libs libcacard)
4441         smartcard="yes"
4442     else
4443         if test "$smartcard" = "yes"; then
4444             feature_not_found "smartcard" "Install libcacard devel"
4445         fi
4446         smartcard="no"
4447     fi
4448 fi
4449
4450 # check for libusb
4451 if test "$libusb" != "no" ; then
4452     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4453         libusb="yes"
4454         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4455         libusb_libs=$($pkg_config --libs libusb-1.0)
4456     else
4457         if test "$libusb" = "yes"; then
4458             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4459         fi
4460         libusb="no"
4461     fi
4462 fi
4463
4464 # check for usbredirparser for usb network redirection support
4465 if test "$usb_redir" != "no" ; then
4466     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4467         usb_redir="yes"
4468         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4469         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4470     else
4471         if test "$usb_redir" = "yes"; then
4472             feature_not_found "usb-redir" "Install usbredir devel"
4473         fi
4474         usb_redir="no"
4475     fi
4476 fi
4477
4478 ##########################################
4479 # check if we have VSS SDK headers for win
4480
4481 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4482   case "$vss_win32_sdk" in
4483     "")   vss_win32_include="-isystem $source_path" ;;
4484     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4485           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4486           vss_win32_include="-isystem $source_path/.sdk/vss"
4487           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4488           ;;
4489     *)    vss_win32_include="-isystem $vss_win32_sdk"
4490   esac
4491   cat > $TMPC << EOF
4492 #define __MIDL_user_allocate_free_DEFINED__
4493 #include <inc/win2003/vss.h>
4494 int main(void) { return VSS_CTX_BACKUP; }
4495 EOF
4496   if compile_prog "$vss_win32_include" "" ; then
4497     guest_agent_with_vss="yes"
4498     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4499     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4500     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4501   else
4502     if test "$vss_win32_sdk" != "" ; then
4503       echo "ERROR: Please download and install Microsoft VSS SDK:"
4504       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4505       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4506       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4507       echo "ERROR: The headers are extracted in the directory \`inc'."
4508       feature_not_found "VSS support"
4509     fi
4510     guest_agent_with_vss="no"
4511   fi
4512 fi
4513
4514 ##########################################
4515 # lookup Windows platform SDK (if not specified)
4516 # The SDK is needed only to build .tlb (type library) file of guest agent
4517 # VSS provider from the source. It is usually unnecessary because the
4518 # pre-compiled .tlb file is included.
4519
4520 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4521   if test -z "$win_sdk"; then
4522     programfiles="$PROGRAMFILES"
4523     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4524     if test -n "$programfiles"; then
4525       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4526     else
4527       feature_not_found "Windows SDK"
4528     fi
4529   elif test "$win_sdk" = "no"; then
4530     win_sdk=""
4531   fi
4532 fi
4533
4534 ##########################################
4535 # check if mingw environment provides a recent ntddscsi.h
4536 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4537   cat > $TMPC << EOF
4538 #include <windows.h>
4539 #include <ntddscsi.h>
4540 int main(void) {
4541 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4542 #error Missing required ioctl definitions
4543 #endif
4544   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4545   return addr.Lun;
4546 }
4547 EOF
4548   if compile_prog "" "" ; then
4549     guest_agent_ntddscsi=yes
4550     libs_qga="-lsetupapi $libs_qga"
4551   fi
4552 fi
4553
4554 ##########################################
4555 # virgl renderer probe
4556
4557 if test "$virglrenderer" != "no" ; then
4558   cat > $TMPC << EOF
4559 #include <virglrenderer.h>
4560 int main(void) { virgl_renderer_poll(); return 0; }
4561 EOF
4562   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4563   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4564   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4565      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4566     virglrenderer="yes"
4567   else
4568     if test "$virglrenderer" = "yes" ; then
4569       feature_not_found "virglrenderer"
4570     fi
4571     virglrenderer="no"
4572   fi
4573 fi
4574
4575 ##########################################
4576 # capstone
4577
4578 case "$capstone" in
4579   "" | yes)
4580     if $pkg_config capstone; then
4581       capstone=system
4582     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4583       capstone=git
4584     elif test -e "${source_path}/capstone/Makefile" ; then
4585       capstone=internal
4586     elif test -z "$capstone" ; then
4587       capstone=no
4588     else
4589       feature_not_found "capstone" "Install capstone devel or git submodule"
4590     fi
4591     ;;
4592
4593   system)
4594     if ! $pkg_config capstone; then
4595       feature_not_found "capstone" "Install capstone devel"
4596     fi
4597     ;;
4598 esac
4599
4600 case "$capstone" in
4601   git | internal)
4602     if test "$capstone" = git; then
4603       git_submodules="${git_submodules} capstone"
4604     fi
4605     mkdir -p capstone
4606     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4607     if test "$mingw32" = "yes"; then
4608       LIBCAPSTONE=capstone.lib
4609     else
4610       LIBCAPSTONE=libcapstone.a
4611     fi
4612     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4613     ;;
4614
4615   system)
4616     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4617     LIBS="$($pkg_config --libs capstone) $LIBS"
4618     ;;
4619
4620   no)
4621     ;;
4622   *)
4623     error_exit "Unknown state for capstone: $capstone"
4624     ;;
4625 esac
4626
4627 ##########################################
4628 # check if we have fdatasync
4629
4630 fdatasync=no
4631 cat > $TMPC << EOF
4632 #include <unistd.h>
4633 int main(void) {
4634 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4635 return fdatasync(0);
4636 #else
4637 #error Not supported
4638 #endif
4639 }
4640 EOF
4641 if compile_prog "" "" ; then
4642     fdatasync=yes
4643 fi
4644
4645 ##########################################
4646 # check if we have madvise
4647
4648 madvise=no
4649 cat > $TMPC << EOF
4650 #include <sys/types.h>
4651 #include <sys/mman.h>
4652 #include <stddef.h>
4653 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4654 EOF
4655 if compile_prog "" "" ; then
4656     madvise=yes
4657 fi
4658
4659 ##########################################
4660 # check if we have posix_madvise
4661
4662 posix_madvise=no
4663 cat > $TMPC << EOF
4664 #include <sys/mman.h>
4665 #include <stddef.h>
4666 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4667 EOF
4668 if compile_prog "" "" ; then
4669     posix_madvise=yes
4670 fi
4671
4672 ##########################################
4673 # check if we have posix_memalign()
4674
4675 posix_memalign=no
4676 cat > $TMPC << EOF
4677 #include <stdlib.h>
4678 int main(void) {
4679     void *p;
4680     return posix_memalign(&p, 8, 8);
4681 }
4682 EOF
4683 if compile_prog "" "" ; then
4684     posix_memalign=yes
4685 fi
4686
4687 ##########################################
4688 # check if we have posix_syslog
4689
4690 posix_syslog=no
4691 cat > $TMPC << EOF
4692 #include <syslog.h>
4693 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4694 EOF
4695 if compile_prog "" "" ; then
4696     posix_syslog=yes
4697 fi
4698
4699 ##########################################
4700 # check if we have sem_timedwait
4701
4702 sem_timedwait=no
4703 cat > $TMPC << EOF
4704 #include <semaphore.h>
4705 int main(void) { return sem_timedwait(0, 0); }
4706 EOF
4707 if compile_prog "" "" ; then
4708     sem_timedwait=yes
4709 fi
4710
4711 ##########################################
4712 # check if trace backend exists
4713
4714 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4715 if test "$?" -ne 0 ; then
4716   error_exit "invalid trace backends" \
4717       "Please choose supported trace backends."
4718 fi
4719
4720 ##########################################
4721 # For 'ust' backend, test if ust headers are present
4722 if have_backend "ust"; then
4723   cat > $TMPC << EOF
4724 #include <lttng/tracepoint.h>
4725 int main(void) { return 0; }
4726 EOF
4727   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4728     if $pkg_config lttng-ust --exists; then
4729       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4730     else
4731       lttng_ust_libs="-llttng-ust -ldl"
4732     fi
4733     if $pkg_config liburcu-bp --exists; then
4734       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4735     else
4736       urcu_bp_libs="-lurcu-bp"
4737     fi
4738
4739     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4740     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4741   else
4742     error_exit "Trace backend 'ust' missing lttng-ust header files"
4743   fi
4744 fi
4745
4746 ##########################################
4747 # For 'dtrace' backend, test if 'dtrace' command is present
4748 if have_backend "dtrace"; then
4749   if ! has 'dtrace' ; then
4750     error_exit "dtrace command is not found in PATH $PATH"
4751   fi
4752   trace_backend_stap="no"
4753   if has 'stap' ; then
4754     trace_backend_stap="yes"
4755   fi
4756 fi
4757
4758 ##########################################
4759 # check and set a backend for coroutine
4760
4761 # We prefer ucontext, but it's not always possible. The fallback
4762 # is sigcontext. On Windows the only valid backend is the Windows
4763 # specific one.
4764
4765 ucontext_works=no
4766 if test "$darwin" != "yes"; then
4767   cat > $TMPC << EOF
4768 #include <ucontext.h>
4769 #ifdef __stub_makecontext
4770 #error Ignoring glibc stub makecontext which will always fail
4771 #endif
4772 int main(void) { makecontext(0, 0, 0); return 0; }
4773 EOF
4774   if compile_prog "" "" ; then
4775     ucontext_works=yes
4776   fi
4777 fi
4778
4779 if test "$coroutine" = ""; then
4780   if test "$mingw32" = "yes"; then
4781     coroutine=win32
4782   elif test "$ucontext_works" = "yes"; then
4783     coroutine=ucontext
4784   else
4785     coroutine=sigaltstack
4786   fi
4787 else
4788   case $coroutine in
4789   windows)
4790     if test "$mingw32" != "yes"; then
4791       error_exit "'windows' coroutine backend only valid for Windows"
4792     fi
4793     # Unfortunately the user visible backend name doesn't match the
4794     # coroutine-*.c filename for this case, so we have to adjust it here.
4795     coroutine=win32
4796     ;;
4797   ucontext)
4798     if test "$ucontext_works" != "yes"; then
4799       feature_not_found "ucontext"
4800     fi
4801     ;;
4802   sigaltstack)
4803     if test "$mingw32" = "yes"; then
4804       error_exit "only the 'windows' coroutine backend is valid for Windows"
4805     fi
4806     ;;
4807   *)
4808     error_exit "unknown coroutine backend $coroutine"
4809     ;;
4810   esac
4811 fi
4812
4813 if test "$coroutine_pool" = ""; then
4814   coroutine_pool=yes
4815 fi
4816
4817 if test "$debug_stack_usage" = "yes"; then
4818   if test "$coroutine_pool" = "yes"; then
4819     echo "WARN: disabling coroutine pool for stack usage debugging"
4820     coroutine_pool=no
4821   fi
4822 fi
4823
4824
4825 ##########################################
4826 # check if we have open_by_handle_at
4827
4828 open_by_handle_at=no
4829 cat > $TMPC << EOF
4830 #include <fcntl.h>
4831 #if !defined(AT_EMPTY_PATH)
4832 # error missing definition
4833 #else
4834 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4835 #endif
4836 EOF
4837 if compile_prog "" "" ; then
4838     open_by_handle_at=yes
4839 fi
4840
4841 ########################################
4842 # check if we have linux/magic.h
4843
4844 linux_magic_h=no
4845 cat > $TMPC << EOF
4846 #include <linux/magic.h>
4847 int main(void) {
4848   return 0;
4849 }
4850 EOF
4851 if compile_prog "" "" ; then
4852     linux_magic_h=yes
4853 fi
4854
4855 ########################################
4856 # check whether we can disable warning option with a pragma (this is needed
4857 # to silence warnings in the headers of some versions of external libraries).
4858 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4859 # only a warning.
4860 #
4861 # If we can't selectively disable warning in the code, disable -Werror so that
4862 # the build doesn't fail anyway.
4863
4864 pragma_disable_unused_but_set=no
4865 cat > $TMPC << EOF
4866 #pragma GCC diagnostic push
4867 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4868 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4869 #pragma GCC diagnostic pop
4870
4871 int main(void) {
4872     return 0;
4873 }
4874 EOF
4875 if compile_prog "-Werror" "" ; then
4876     pragma_diagnostic_available=yes
4877 else
4878     werror=no
4879 fi
4880
4881 ########################################
4882 # check if we have valgrind/valgrind.h
4883
4884 valgrind_h=no
4885 cat > $TMPC << EOF
4886 #include <valgrind/valgrind.h>
4887 int main(void) {
4888   return 0;
4889 }
4890 EOF
4891 if compile_prog "" "" ; then
4892     valgrind_h=yes
4893 fi
4894
4895 ########################################
4896 # check if environ is declared
4897
4898 has_environ=no
4899 cat > $TMPC << EOF
4900 #include <unistd.h>
4901 int main(void) {
4902     environ = 0;
4903     return 0;
4904 }
4905 EOF
4906 if compile_prog "" "" ; then
4907     has_environ=yes
4908 fi
4909
4910 ########################################
4911 # check if cpuid.h is usable.
4912
4913 cat > $TMPC << EOF
4914 #include <cpuid.h>
4915 int main(void) {
4916     unsigned a, b, c, d;
4917     int max = __get_cpuid_max(0, 0);
4918
4919     if (max >= 1) {
4920         __cpuid(1, a, b, c, d);
4921     }
4922
4923     if (max >= 7) {
4924         __cpuid_count(7, 0, a, b, c, d);
4925     }
4926
4927     return 0;
4928 }
4929 EOF
4930 if compile_prog "" "" ; then
4931     cpuid_h=yes
4932 fi
4933
4934 ##########################################
4935 # avx2 optimization requirement check
4936 #
4937 # There is no point enabling this if cpuid.h is not usable,
4938 # since we won't be able to select the new routines.
4939
4940 if test $cpuid_h = yes; then
4941   cat > $TMPC << EOF
4942 #pragma GCC push_options
4943 #pragma GCC target("avx2")
4944 #include <cpuid.h>
4945 #include <immintrin.h>
4946 static int bar(void *a) {
4947     __m256i x = *(__m256i *)a;
4948     return _mm256_testz_si256(x, x);
4949 }
4950 int main(int argc, char *argv[]) { return bar(argv[0]); }
4951 EOF
4952   if compile_object "" ; then
4953     avx2_opt="yes"
4954   fi
4955 fi
4956
4957 ########################################
4958 # check if __[u]int128_t is usable.
4959
4960 int128=no
4961 cat > $TMPC << EOF
4962 #if defined(__clang_major__) && defined(__clang_minor__)
4963 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4964 #  error __int128_t does not work in CLANG before 3.2
4965 # endif
4966 #endif
4967 __int128_t a;
4968 __uint128_t b;
4969 int main (void) {
4970   a = a + b;
4971   b = a * b;
4972   a = a * a;
4973   return 0;
4974 }
4975 EOF
4976 if compile_prog "" "" ; then
4977     int128=yes
4978 fi
4979
4980 #########################################
4981 # See if 128-bit atomic operations are supported.
4982
4983 atomic128=no
4984 if test "$int128" = "yes"; then
4985   cat > $TMPC << EOF
4986 int main(void)
4987 {
4988   unsigned __int128 x = 0, y = 0;
4989   y = __atomic_load_16(&x, 0);
4990   __atomic_store_16(&x, y, 0);
4991   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4992   return 0;
4993 }
4994 EOF
4995   if compile_prog "" "" ; then
4996     atomic128=yes
4997   fi
4998 fi
4999
5000 #########################################
5001 # See if 64-bit atomic operations are supported.
5002 # Note that without __atomic builtins, we can only
5003 # assume atomic loads/stores max at pointer size.
5004
5005 cat > $TMPC << EOF
5006 #include <stdint.h>
5007 int main(void)
5008 {
5009   uint64_t x = 0, y = 0;
5010 #ifdef __ATOMIC_RELAXED
5011   y = __atomic_load_8(&x, 0);
5012   __atomic_store_8(&x, y, 0);
5013   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5014   __atomic_exchange_8(&x, y, 0);
5015   __atomic_fetch_add_8(&x, y, 0);
5016 #else
5017   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5018   __sync_lock_test_and_set(&x, y);
5019   __sync_val_compare_and_swap(&x, y, 0);
5020   __sync_fetch_and_add(&x, y);
5021 #endif
5022   return 0;
5023 }
5024 EOF
5025 if compile_prog "" "" ; then
5026   atomic64=yes
5027 fi
5028
5029 ########################################
5030 # See if 16-byte vector operations are supported.
5031 # Even without a vector unit the compiler may expand these.
5032 # There is a bug in old GCC for PPC that crashes here.
5033 # Unfortunately it's the system compiler for Centos 7.
5034
5035 cat > $TMPC << EOF
5036 typedef unsigned char U1 __attribute__((vector_size(16)));
5037 typedef unsigned short U2 __attribute__((vector_size(16)));
5038 typedef unsigned int U4 __attribute__((vector_size(16)));
5039 typedef unsigned long long U8 __attribute__((vector_size(16)));
5040 typedef signed char S1 __attribute__((vector_size(16)));
5041 typedef signed short S2 __attribute__((vector_size(16)));
5042 typedef signed int S4 __attribute__((vector_size(16)));
5043 typedef signed long long S8 __attribute__((vector_size(16)));
5044 static U1 a1, b1;
5045 static U2 a2, b2;
5046 static U4 a4, b4;
5047 static U8 a8, b8;
5048 static S1 c1;
5049 static S2 c2;
5050 static S4 c4;
5051 static S8 c8;
5052 static int i;
5053 int main(void)
5054 {
5055   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5056   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5057   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5058   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5059   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5060   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5061   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5062   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5063   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5064   return 0;
5065 }
5066 EOF
5067
5068 vector16=no
5069 if compile_prog "" "" ; then
5070   vector16=yes
5071 fi
5072
5073 ########################################
5074 # check if getauxval is available.
5075
5076 getauxval=no
5077 cat > $TMPC << EOF
5078 #include <sys/auxv.h>
5079 int main(void) {
5080   return getauxval(AT_HWCAP) == 0;
5081 }
5082 EOF
5083 if compile_prog "" "" ; then
5084     getauxval=yes
5085 fi
5086
5087 ########################################
5088 # check if ccache is interfering with
5089 # semantic analysis of macros
5090
5091 unset CCACHE_CPP2
5092 ccache_cpp2=no
5093 cat > $TMPC << EOF
5094 static const int Z = 1;
5095 #define fn() ({ Z; })
5096 #define TAUT(X) ((X) == Z)
5097 #define PAREN(X, Y) (X == Y)
5098 #define ID(X) (X)
5099 int main(int argc, char *argv[])
5100 {
5101     int x = 0, y = 0;
5102     x = ID(x);
5103     x = fn();
5104     fn();
5105     if (PAREN(x, y)) return 0;
5106     if (TAUT(Z)) return 0;
5107     return 0;
5108 }
5109 EOF
5110
5111 if ! compile_object "-Werror"; then
5112     ccache_cpp2=yes
5113 fi
5114
5115 #################################################
5116 # clang does not support glibc + FORTIFY_SOURCE.
5117
5118 if test "$fortify_source" != "no"; then
5119   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5120     fortify_source="no";
5121   elif test -n "$cxx" && has $cxx &&
5122        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5123     fortify_source="no";
5124   else
5125     fortify_source="yes"
5126   fi
5127 fi
5128
5129 ##########################################
5130 # check if struct fsxattr is available via linux/fs.h
5131
5132 have_fsxattr=no
5133 cat > $TMPC << EOF
5134 #include <linux/fs.h>
5135 struct fsxattr foo;
5136 int main(void) {
5137   return 0;
5138 }
5139 EOF
5140 if compile_prog "" "" ; then
5141     have_fsxattr=yes
5142 fi
5143
5144 ##########################################
5145 # check if rtnetlink.h exists and is useful
5146 have_rtnetlink=no
5147 cat > $TMPC << EOF
5148 #include <linux/rtnetlink.h>
5149 int main(void) {
5150   return IFLA_PROTO_DOWN;
5151 }
5152 EOF
5153 if compile_prog "" "" ; then
5154     have_rtnetlink=yes
5155 fi
5156
5157 ##########################################
5158 # check for usable AF_VSOCK environment
5159 have_af_vsock=no
5160 cat > $TMPC << EOF
5161 #include <errno.h>
5162 #include <sys/types.h>
5163 #include <sys/socket.h>
5164 #if !defined(AF_VSOCK)
5165 # error missing AF_VSOCK flag
5166 #endif
5167 #include <linux/vm_sockets.h>
5168 int main(void) {
5169     int sock, ret;
5170     struct sockaddr_vm svm;
5171     socklen_t len = sizeof(svm);
5172     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5173     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5174     if ((ret == -1) && (errno == ENOTCONN)) {
5175         return 0;
5176     }
5177     return -1;
5178 }
5179 EOF
5180 if compile_prog "" "" ; then
5181     have_af_vsock=yes
5182 fi
5183
5184 ##########################################
5185 # check for usable AF_ALG environment
5186 hava_afalg=no
5187 cat > $TMPC << EOF
5188 #include <errno.h>
5189 #include <sys/types.h>
5190 #include <sys/socket.h>
5191 #include <linux/if_alg.h>
5192 int main(void) {
5193     int sock;
5194     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5195     return sock;
5196 }
5197 EOF
5198 if compile_prog "" "" ; then
5199     have_afalg=yes
5200 fi
5201 if test "$crypto_afalg" = "yes"
5202 then
5203     if test "$have_afalg" != "yes"
5204     then
5205         error_exit "AF_ALG requested but could not be detected"
5206     fi
5207 fi
5208
5209
5210 #################################################
5211 # Check to see if we have the Hypervisor framework
5212 if [ "$darwin" = "yes" ] ; then
5213   cat > $TMPC << EOF
5214 #include <Hypervisor/hv.h>
5215 int main() { return 0;}
5216 EOF
5217   if ! compile_object ""; then
5218     hvf='no'
5219   else
5220     hvf='yes'
5221     LDFLAGS="-framework Hypervisor $LDFLAGS"
5222   fi
5223 fi
5224
5225 #################################################
5226 # Sparc implicitly links with --relax, which is
5227 # incompatible with -r, so --no-relax should be
5228 # given. It does no harm to give it on other
5229 # platforms too.
5230
5231 # Note: the prototype is needed since QEMU_CFLAGS
5232 #       contains -Wmissing-prototypes
5233 cat > $TMPC << EOF
5234 extern int foo(void);
5235 int foo(void) { return 0; }
5236 EOF
5237 if ! compile_object ""; then
5238   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5239 fi
5240 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5241   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5242     LD_REL_FLAGS=$i
5243     break
5244   fi
5245 done
5246 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5247   feature_not_found "modules" "Cannot find how to build relocatable objects"
5248 fi
5249
5250 ##########################################
5251 # check for sysmacros.h
5252
5253 have_sysmacros=no
5254 cat > $TMPC << EOF
5255 #include <sys/sysmacros.h>
5256 int main(void) {
5257     return makedev(0, 0);
5258 }
5259 EOF
5260 if compile_prog "" "" ; then
5261     have_sysmacros=yes
5262 fi
5263
5264 ##########################################
5265 # Veritas HyperScale block driver VxHS
5266 # Check if libvxhs is installed
5267
5268 if test "$vxhs" != "no" ; then
5269   cat > $TMPC <<EOF
5270 #include <stdint.h>
5271 #include <qnio/qnio_api.h>
5272
5273 void *vxhs_callback;
5274
5275 int main(void) {
5276     iio_init(QNIO_VERSION, vxhs_callback);
5277     return 0;
5278 }
5279 EOF
5280   vxhs_libs="-lvxhs -lssl"
5281   if compile_prog "" "$vxhs_libs" ; then
5282     vxhs=yes
5283   else
5284     if test "$vxhs" = "yes" ; then
5285       feature_not_found "vxhs block device" "Install libvxhs See github"
5286     fi
5287     vxhs=no
5288   fi
5289 fi
5290
5291 ##########################################
5292 # check for _Static_assert()
5293
5294 have_static_assert=no
5295 cat > $TMPC << EOF
5296 _Static_assert(1, "success");
5297 int main(void) {
5298     return 0;
5299 }
5300 EOF
5301 if compile_prog "" "" ; then
5302     have_static_assert=yes
5303 fi
5304
5305 ##########################################
5306 # check for utmpx.h, it is missing e.g. on OpenBSD
5307
5308 have_utmpx=no
5309 cat > $TMPC << EOF
5310 #include <utmpx.h>
5311 struct utmpx user_info;
5312 int main(void) {
5313     return 0;
5314 }
5315 EOF
5316 if compile_prog "" "" ; then
5317     have_utmpx=yes
5318 fi
5319
5320 ##########################################
5321 # checks for sanitizers
5322
5323 # we could use a simple skeleton for flags checks, but this also
5324 # detect the static linking issue of ubsan, see also:
5325 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5326 cat > $TMPC << EOF
5327 #include <stdint.h>
5328 int main(void) {
5329   return INT32_MIN / -1;
5330 }
5331 EOF
5332
5333 have_asan=no
5334 have_ubsan=no
5335 have_asan_iface_h=no
5336 have_asan_iface_fiber=no
5337
5338 if test "$sanitizers" = "yes" ; then
5339   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5340       have_asan=yes
5341   fi
5342   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5343       have_ubsan=yes
5344   fi
5345
5346   if check_include "sanitizer/asan_interface.h" ; then
5347       have_asan_iface_h=yes
5348   fi
5349
5350   cat > $TMPC << EOF
5351 #include <sanitizer/asan_interface.h>
5352 int main(void) {
5353   __sanitizer_start_switch_fiber(0, 0, 0);
5354   return 0;
5355 }
5356 EOF
5357   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5358       have_asan_iface_fiber=yes
5359   fi
5360 fi
5361
5362 ##########################################
5363 # End of CC checks
5364 # After here, no more $cc or $ld runs
5365
5366 write_c_skeleton
5367
5368 if test "$gcov" = "yes" ; then
5369   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5370   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5371 elif test "$fortify_source" = "yes" ; then
5372   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5373 elif test "$debug" = "yes"; then
5374   if compile_prog "-Og" ""; then
5375       CFLAGS="-Og $CFLAGS"
5376   elif compile_prog "-O1" ""; then
5377       CFLAGS="-O1 $CFLAGS"
5378   fi
5379   # Workaround GCC false-positive Wuninitialized bugs with Og or O1:
5380   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639
5381   if cc_has_warning_flag "-Wno-maybe-uninitialized"; then
5382       CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
5383   fi
5384 else
5385     CFLAGS="-O2 $CFLAGS"
5386 fi
5387
5388 if test "$have_asan" = "yes"; then
5389   CFLAGS="-fsanitize=address $CFLAGS"
5390   if test "$have_asan_iface_h" = "no" ; then
5391       echo "ASAN build enabled, but ASAN header missing." \
5392            "Without code annotation, the report may be inferior."
5393   elif test "$have_asan_iface_fiber" = "no" ; then
5394       echo "ASAN build enabled, but ASAN header is too old." \
5395            "Without code annotation, the report may be inferior."
5396   fi
5397 fi
5398 if test "$have_ubsan" = "yes"; then
5399   CFLAGS="-fsanitize=undefined $CFLAGS"
5400 fi
5401
5402 ##########################################
5403 # Do we have libnfs
5404 if test "$libnfs" != "no" ; then
5405   if $pkg_config --atleast-version=1.9.3 libnfs; then
5406     libnfs="yes"
5407     libnfs_libs=$($pkg_config --libs libnfs)
5408   else
5409     if test "$libnfs" = "yes" ; then
5410       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5411     fi
5412     libnfs="no"
5413   fi
5414 fi
5415
5416 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5417 if test "$werror" = "yes"; then
5418     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5419 fi
5420
5421 if test "$solaris" = "no" ; then
5422     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5423         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5424     fi
5425 fi
5426
5427 # test if pod2man has --utf8 option
5428 if pod2man --help | grep -q utf8; then
5429     POD2MAN="pod2man --utf8"
5430 else
5431     POD2MAN="pod2man"
5432 fi
5433
5434 # Use ASLR, no-SEH and DEP if available
5435 if test "$mingw32" = "yes" ; then
5436     for flag in --dynamicbase --no-seh --nxcompat; do
5437         if ld_has $flag ; then
5438             LDFLAGS="-Wl,$flag $LDFLAGS"
5439         fi
5440     done
5441 fi
5442
5443 qemu_confdir=$sysconfdir$confsuffix
5444 qemu_moddir=$libdir$confsuffix
5445 qemu_datadir=$datadir$confsuffix
5446 qemu_localedir="$datadir/locale"
5447
5448 # We can only support ivshmem if we have eventfd
5449 if [ "$eventfd" = "yes" ]; then
5450   ivshmem=yes
5451 fi
5452
5453 tools=""
5454 if test "$want_tools" = "yes" ; then
5455   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5456   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5457     tools="qemu-nbd\$(EXESUF) $tools"
5458   fi
5459   if [ "$ivshmem" = "yes" ]; then
5460     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5461   fi
5462 fi
5463 if test "$softmmu" = yes ; then
5464   if test "$linux" = yes; then
5465     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5466       virtfs=yes
5467       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5468     else
5469       if test "$virtfs" = yes; then
5470         error_exit "VirtFS requires libcap devel and libattr devel"
5471       fi
5472       virtfs=no
5473     fi
5474     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5475       mpath=yes
5476     else
5477       if test "$mpath" = yes; then
5478         error_exit "Multipath requires libmpathpersist devel"
5479       fi
5480       mpath=no
5481     fi
5482     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5483   else
5484     if test "$virtfs" = yes; then
5485       error_exit "VirtFS is supported only on Linux"
5486     fi
5487     virtfs=no
5488     if test "$mpath" = yes; then
5489       error_exit "Multipath is supported only on Linux"
5490     fi
5491     mpath=no
5492   fi
5493   if test "$xkbcommon" = "yes"; then
5494     tools="qemu-keymap\$(EXESUF) $tools"
5495   fi
5496 fi
5497
5498 # Probe for guest agent support/options
5499
5500 if [ "$guest_agent" != "no" ]; then
5501   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5502       tools="qemu-ga $tools"
5503       guest_agent=yes
5504   elif [ "$guest_agent" != yes ]; then
5505       guest_agent=no
5506   else
5507       error_exit "Guest agent is not supported on this platform"
5508   fi
5509 fi
5510
5511 # Guest agent Window MSI  package
5512
5513 if test "$guest_agent" != yes; then
5514   if test "$guest_agent_msi" = yes; then
5515     error_exit "MSI guest agent package requires guest agent enabled"
5516   fi
5517   guest_agent_msi=no
5518 elif test "$mingw32" != "yes"; then
5519   if test "$guest_agent_msi" = "yes"; then
5520     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5521   fi
5522   guest_agent_msi=no
5523 elif ! has wixl; then
5524   if test "$guest_agent_msi" = "yes"; then
5525     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5526   fi
5527   guest_agent_msi=no
5528 else
5529   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5530   # disabled explicitly
5531   if test "$guest_agent_msi" != "no"; then
5532     guest_agent_msi=yes
5533   fi
5534 fi
5535
5536 if test "$guest_agent_msi" = "yes"; then
5537   if test "$guest_agent_with_vss" = "yes"; then
5538     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5539   fi
5540
5541   if test "$QEMU_GA_MANUFACTURER" = ""; then
5542     QEMU_GA_MANUFACTURER=QEMU
5543   fi
5544
5545   if test "$QEMU_GA_DISTRO" = ""; then
5546     QEMU_GA_DISTRO=Linux
5547   fi
5548
5549   if test "$QEMU_GA_VERSION" = ""; then
5550       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5551   fi
5552
5553   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5554
5555   case "$cpu" in
5556   x86_64)
5557     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5558     ;;
5559   i386)
5560     QEMU_GA_MSI_ARCH="-D Arch=32"
5561     ;;
5562   *)
5563     error_exit "CPU $cpu not supported for building installation package"
5564     ;;
5565   esac
5566 fi
5567
5568 # Mac OS X ships with a broken assembler
5569 roms=
5570 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5571         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5572         "$softmmu" = yes ; then
5573     # Different host OS linkers have different ideas about the name of the ELF
5574     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5575     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5576     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5577         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5578             ld_i386_emulation="$emu"
5579             roms="optionrom"
5580             break
5581         fi
5582     done
5583 fi
5584 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5585   roms="$roms spapr-rtas"
5586 fi
5587
5588 if test "$cpu" = "s390x" ; then
5589   roms="$roms s390-ccw"
5590 fi
5591
5592 # Probe for the need for relocating the user-only binary.
5593 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5594   textseg_addr=
5595   case "$cpu" in
5596     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5597       # ??? Rationale for choosing this address
5598       textseg_addr=0x60000000
5599       ;;
5600     mips)
5601       # A 256M aligned address, high in the address space, with enough
5602       # room for the code_gen_buffer above it before the stack.
5603       textseg_addr=0x60000000
5604       ;;
5605   esac
5606   if [ -n "$textseg_addr" ]; then
5607     cat > $TMPC <<EOF
5608     int main(void) { return 0; }
5609 EOF
5610     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5611     if ! compile_prog "" "$textseg_ldflags"; then
5612       # In case ld does not support -Ttext-segment, edit the default linker
5613       # script via sed to set the .text start addr.  This is needed on FreeBSD
5614       # at least.
5615       if ! $ld --verbose >/dev/null 2>&1; then
5616         error_exit \
5617             "We need to link the QEMU user mode binaries at a" \
5618             "specific text address. Unfortunately your linker" \
5619             "doesn't support either the -Ttext-segment option or" \
5620             "printing the default linker script with --verbose." \
5621             "If you don't want the user mode binaries, pass the" \
5622             "--disable-user option to configure."
5623       fi
5624
5625       $ld --verbose | sed \
5626         -e '1,/==================================================/d' \
5627         -e '/==================================================/,$d' \
5628         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5629         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5630       textseg_ldflags="-Wl,-T../config-host.ld"
5631     fi
5632   fi
5633 fi
5634
5635 # Check that the C++ compiler exists and works with the C compiler.
5636 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5637 if has $cxx; then
5638     cat > $TMPC <<EOF
5639 int c_function(void);
5640 int main(void) { return c_function(); }
5641 EOF
5642
5643     compile_object
5644
5645     cat > $TMPCXX <<EOF
5646 extern "C" {
5647    int c_function(void);
5648 }
5649 int c_function(void) { return 42; }
5650 EOF
5651
5652     update_cxxflags
5653
5654     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5655         # C++ compiler $cxx works ok with C compiler $cc
5656         :
5657     else
5658         echo "C++ compiler $cxx does not work with C compiler $cc"
5659         echo "Disabling C++ specific optional code"
5660         cxx=
5661     fi
5662 else
5663     echo "No C++ compiler available; disabling C++ specific optional code"
5664     cxx=
5665 fi
5666
5667 echo_version() {
5668     if test "$1" = "yes" ; then
5669         echo "($2)"
5670     fi
5671 }
5672
5673 # prepend pixman and ftd flags after all config tests are done
5674 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5675 libs_softmmu="$pixman_libs $libs_softmmu"
5676
5677 echo "Install prefix    $prefix"
5678 echo "BIOS directory    $(eval echo $qemu_datadir)"
5679 echo "firmware path     $(eval echo $firmwarepath)"
5680 echo "binary directory  $(eval echo $bindir)"
5681 echo "library directory $(eval echo $libdir)"
5682 echo "module directory  $(eval echo $qemu_moddir)"
5683 echo "libexec directory $(eval echo $libexecdir)"
5684 echo "include directory $(eval echo $includedir)"
5685 echo "config directory  $(eval echo $sysconfdir)"
5686 if test "$mingw32" = "no" ; then
5687 echo "local state directory   $(eval echo $local_statedir)"
5688 echo "Manual directory  $(eval echo $mandir)"
5689 echo "ELF interp prefix $interp_prefix"
5690 else
5691 echo "local state directory   queried at runtime"
5692 echo "Windows SDK       $win_sdk"
5693 fi
5694 echo "Source path       $source_path"
5695 echo "GIT binary        $git"
5696 echo "GIT submodules    $git_submodules"
5697 echo "C compiler        $cc"
5698 echo "Host C compiler   $host_cc"
5699 echo "C++ compiler      $cxx"
5700 echo "Objective-C compiler $objcc"
5701 echo "ARFLAGS           $ARFLAGS"
5702 echo "CFLAGS            $CFLAGS"
5703 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5704 echo "LDFLAGS           $LDFLAGS"
5705 echo "make              $make"
5706 echo "install           $install"
5707 echo "python            $python"
5708 if test "$slirp" = "yes" ; then
5709     echo "smbd              $smbd"
5710 fi
5711 echo "module support    $modules"
5712 echo "host CPU          $cpu"
5713 echo "host big endian   $bigendian"
5714 echo "target list       $target_list"
5715 echo "gprof enabled     $gprof"
5716 echo "sparse enabled    $sparse"
5717 echo "strip binaries    $strip_opt"
5718 echo "profiler          $profiler"
5719 echo "static build      $static"
5720 if test "$darwin" = "yes" ; then
5721     echo "Cocoa support     $cocoa"
5722 fi
5723 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5724 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5725 echo "GTK GL support    $gtk_gl"
5726 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5727 echo "TLS priority      $tls_priority"
5728 echo "GNUTLS support    $gnutls"
5729 echo "GNUTLS rnd        $gnutls_rnd"
5730 echo "libgcrypt         $gcrypt"
5731 echo "libgcrypt kdf     $gcrypt_kdf"
5732 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5733 echo "nettle kdf        $nettle_kdf"
5734 echo "libtasn1          $tasn1"
5735 echo "curses support    $curses"
5736 echo "virgl support     $virglrenderer"
5737 echo "curl support      $curl"
5738 echo "mingw32 support   $mingw32"
5739 echo "Audio drivers     $audio_drv_list"
5740 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5741 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5742 echo "VirtFS support    $virtfs"
5743 echo "Multipath support $mpath"
5744 echo "VNC support       $vnc"
5745 if test "$vnc" = "yes" ; then
5746     echo "VNC SASL support  $vnc_sasl"
5747     echo "VNC JPEG support  $vnc_jpeg"
5748     echo "VNC PNG support   $vnc_png"
5749 fi
5750 if test -n "$sparc_cpu"; then
5751     echo "Target Sparc Arch $sparc_cpu"
5752 fi
5753 echo "xen support       $xen"
5754 if test "$xen" = "yes" ; then
5755   echo "xen ctrl version  $xen_ctrl_version"
5756   echo "pv dom build      $xen_pv_domain_build"
5757 fi
5758 echo "brlapi support    $brlapi"
5759 echo "bluez  support    $bluez"
5760 echo "Documentation     $docs"
5761 echo "PIE               $pie"
5762 echo "vde support       $vde"
5763 echo "netmap support    $netmap"
5764 echo "Linux AIO support $linux_aio"
5765 echo "ATTR/XATTR support $attr"
5766 echo "Install blobs     $blobs"
5767 echo "KVM support       $kvm"
5768 echo "HAX support       $hax"
5769 echo "HVF support       $hvf"
5770 echo "WHPX support      $whpx"
5771 echo "TCG support       $tcg"
5772 if test "$tcg" = "yes" ; then
5773     echo "TCG debug enabled $debug_tcg"
5774     echo "TCG interpreter   $tcg_interpreter"
5775 fi
5776 echo "malloc trim support $malloc_trim"
5777 echo "RDMA support      $rdma"
5778 echo "fdt support       $fdt"
5779 echo "preadv support    $preadv"
5780 echo "fdatasync         $fdatasync"
5781 echo "madvise           $madvise"
5782 echo "posix_madvise     $posix_madvise"
5783 echo "posix_memalign    $posix_memalign"
5784 echo "libcap-ng support $cap_ng"
5785 echo "vhost-net support $vhost_net"
5786 echo "vhost-crypto support $vhost_crypto"
5787 echo "vhost-scsi support $vhost_scsi"
5788 echo "vhost-vsock support $vhost_vsock"
5789 echo "vhost-user support $vhost_user"
5790 echo "Trace backends    $trace_backends"
5791 if have_backend "simple"; then
5792 echo "Trace output file $trace_file-<pid>"
5793 fi
5794 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5795 echo "rbd support       $rbd"
5796 echo "xfsctl support    $xfs"
5797 echo "smartcard support $smartcard"
5798 echo "libusb            $libusb"
5799 echo "usb net redir     $usb_redir"
5800 echo "OpenGL support    $opengl"
5801 echo "OpenGL dmabufs    $opengl_dmabuf"
5802 echo "libiscsi support  $libiscsi"
5803 echo "libnfs support    $libnfs"
5804 echo "build guest agent $guest_agent"
5805 echo "QGA VSS support   $guest_agent_with_vss"
5806 echo "QGA w32 disk info $guest_agent_ntddscsi"
5807 echo "QGA MSI support   $guest_agent_msi"
5808 echo "seccomp support   $seccomp"
5809 echo "coroutine backend $coroutine"
5810 echo "coroutine pool    $coroutine_pool"
5811 echo "debug stack usage $debug_stack_usage"
5812 echo "crypto afalg      $crypto_afalg"
5813 echo "GlusterFS support $glusterfs"
5814 echo "gcov              $gcov_tool"
5815 echo "gcov enabled      $gcov"
5816 echo "TPM support       $tpm"
5817 echo "libssh2 support   $libssh2"
5818 echo "TPM passthrough   $tpm_passthrough"
5819 echo "TPM emulator      $tpm_emulator"
5820 echo "QOM debugging     $qom_cast_debug"
5821 echo "Live block migration $live_block_migration"
5822 echo "lzo support       $lzo"
5823 echo "snappy support    $snappy"
5824 echo "bzip2 support     $bzip2"
5825 echo "NUMA host support $numa"
5826 echo "libxml2           $libxml2"
5827 echo "tcmalloc support  $tcmalloc"
5828 echo "jemalloc support  $jemalloc"
5829 echo "avx2 optimization $avx2_opt"
5830 echo "replication support $replication"
5831 echo "VxHS block device $vxhs"
5832 echo "capstone          $capstone"
5833
5834 if test "$sdl_too_old" = "yes"; then
5835 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5836 fi
5837
5838 if test "$gtkabi" = "2.0"; then
5839     echo
5840     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5841     echo "WARNING: future releases. Please switch to using GTK 3.0"
5842 fi
5843
5844 if test "$sdlabi" = "1.2"; then
5845     echo
5846     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5847     echo "WARNING: future releases. Please switch to using SDL 2.0"
5848 fi
5849
5850 if test "$supported_cpu" = "no"; then
5851     echo
5852     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5853     echo
5854     echo "CPU host architecture $cpu support is not currently maintained."
5855     echo "The QEMU project intends to remove support for this host CPU in"
5856     echo "a future release if nobody volunteers to maintain it and to"
5857     echo "provide a build host for our continuous integration setup."
5858     echo "configure has succeeded and you can continue to build, but"
5859     echo "if you care about QEMU on this platform you should contact"
5860     echo "us upstream at qemu-devel@nongnu.org."
5861 fi
5862
5863 if test "$supported_os" = "no"; then
5864     echo
5865     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5866     echo
5867     echo "Host OS $targetos support is not currently maintained."
5868     echo "The QEMU project intends to remove support for this host OS in"
5869     echo "a future release if nobody volunteers to maintain it and to"
5870     echo "provide a build host for our continuous integration setup."
5871     echo "configure has succeeded and you can continue to build, but"
5872     echo "if you care about QEMU on this platform you should contact"
5873     echo "us upstream at qemu-devel@nongnu.org."
5874 fi
5875
5876 config_host_mak="config-host.mak"
5877
5878 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5879
5880 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5881 echo >> $config_host_mak
5882
5883 echo all: >> $config_host_mak
5884 echo "prefix=$prefix" >> $config_host_mak
5885 echo "bindir=$bindir" >> $config_host_mak
5886 echo "libdir=$libdir" >> $config_host_mak
5887 echo "libexecdir=$libexecdir" >> $config_host_mak
5888 echo "includedir=$includedir" >> $config_host_mak
5889 echo "mandir=$mandir" >> $config_host_mak
5890 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5891 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5892 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5893 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5894 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5895 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5896 if test "$mingw32" = "no" ; then
5897   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5898 fi
5899 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5900 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5901 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5902 echo "GIT=$git" >> $config_host_mak
5903 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5904 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5905
5906 echo "ARCH=$ARCH" >> $config_host_mak
5907
5908 if test "$debug_tcg" = "yes" ; then
5909   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5910 fi
5911 if test "$strip_opt" = "yes" ; then
5912   echo "STRIP=${strip}" >> $config_host_mak
5913 fi
5914 if test "$bigendian" = "yes" ; then
5915   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5916 fi
5917 if test "$mingw32" = "yes" ; then
5918   echo "CONFIG_WIN32=y" >> $config_host_mak
5919   rc_version=$(cat $source_path/VERSION)
5920   version_major=${rc_version%%.*}
5921   rc_version=${rc_version#*.}
5922   version_minor=${rc_version%%.*}
5923   rc_version=${rc_version#*.}
5924   version_subminor=${rc_version%%.*}
5925   version_micro=0
5926   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5927   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5928   if test "$guest_agent_with_vss" = "yes" ; then
5929     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5930     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5931     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5932   fi
5933   if test "$guest_agent_ntddscsi" = "yes" ; then
5934     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5935   fi
5936   if test "$guest_agent_msi" = "yes"; then
5937     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5938     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5939     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5940     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5941     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5942     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5943     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5944   fi
5945 else
5946   echo "CONFIG_POSIX=y" >> $config_host_mak
5947 fi
5948
5949 if test "$linux" = "yes" ; then
5950   echo "CONFIG_LINUX=y" >> $config_host_mak
5951 fi
5952
5953 if test "$darwin" = "yes" ; then
5954   echo "CONFIG_DARWIN=y" >> $config_host_mak
5955 fi
5956
5957 if test "$solaris" = "yes" ; then
5958   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5959 fi
5960 if test "$haiku" = "yes" ; then
5961   echo "CONFIG_HAIKU=y" >> $config_host_mak
5962 fi
5963 if test "$static" = "yes" ; then
5964   echo "CONFIG_STATIC=y" >> $config_host_mak
5965 fi
5966 if test "$profiler" = "yes" ; then
5967   echo "CONFIG_PROFILER=y" >> $config_host_mak
5968 fi
5969 if test "$slirp" = "yes" ; then
5970   echo "CONFIG_SLIRP=y" >> $config_host_mak
5971   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5972 fi
5973 if test "$vde" = "yes" ; then
5974   echo "CONFIG_VDE=y" >> $config_host_mak
5975   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5976 fi
5977 if test "$netmap" = "yes" ; then
5978   echo "CONFIG_NETMAP=y" >> $config_host_mak
5979 fi
5980 if test "$l2tpv3" = "yes" ; then
5981   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5982 fi
5983 if test "$cap_ng" = "yes" ; then
5984   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5985 fi
5986 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5987 for drv in $audio_drv_list; do
5988     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5989     echo "$def=y" >> $config_host_mak
5990 done
5991 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5992 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5993 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5994 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5995 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5996 if test "$audio_pt_int" = "yes" ; then
5997   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5998 fi
5999 if test "$audio_win_int" = "yes" ; then
6000   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6001 fi
6002 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6003 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6004 if test "$vnc" = "yes" ; then
6005   echo "CONFIG_VNC=y" >> $config_host_mak
6006 fi
6007 if test "$vnc_sasl" = "yes" ; then
6008   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6009 fi
6010 if test "$vnc_jpeg" = "yes" ; then
6011   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6012 fi
6013 if test "$vnc_png" = "yes" ; then
6014   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6015 fi
6016 if test "$xkbcommon" = "yes" ; then
6017   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6018   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6019 fi
6020 if test "$fnmatch" = "yes" ; then
6021   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6022 fi
6023 if test "$xfs" = "yes" ; then
6024   echo "CONFIG_XFS=y" >> $config_host_mak
6025 fi
6026 qemu_version=$(head $source_path/VERSION)
6027 echo "VERSION=$qemu_version" >>$config_host_mak
6028 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6029 echo "SRC_PATH=$source_path" >> $config_host_mak
6030 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6031 if [ "$docs" = "yes" ] ; then
6032   echo "BUILD_DOCS=yes" >> $config_host_mak
6033 fi
6034 if test "$modules" = "yes"; then
6035   # $shacmd can generate a hash started with digit, which the compiler doesn't
6036   # like as an symbol. So prefix it with an underscore
6037   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6038   echo "CONFIG_MODULES=y" >> $config_host_mak
6039 fi
6040 if test "$have_x11" = "yes" -a "$need_x11" = "yes"; then
6041   echo "CONFIG_X11=y" >> $config_host_mak
6042   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6043   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6044 fi
6045 if test "$sdl" = "yes" ; then
6046   echo "CONFIG_SDL=y" >> $config_host_mak
6047   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6048   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6049   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6050 fi
6051 if test "$cocoa" = "yes" ; then
6052   echo "CONFIG_COCOA=y" >> $config_host_mak
6053 fi
6054 if test "$curses" = "yes" ; then
6055   echo "CONFIG_CURSES=y" >> $config_host_mak
6056 fi
6057 if test "$pipe2" = "yes" ; then
6058   echo "CONFIG_PIPE2=y" >> $config_host_mak
6059 fi
6060 if test "$accept4" = "yes" ; then
6061   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6062 fi
6063 if test "$splice" = "yes" ; then
6064   echo "CONFIG_SPLICE=y" >> $config_host_mak
6065 fi
6066 if test "$eventfd" = "yes" ; then
6067   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6068 fi
6069 if test "$memfd" = "yes" ; then
6070   echo "CONFIG_MEMFD=y" >> $config_host_mak
6071 fi
6072 if test "$fallocate" = "yes" ; then
6073   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6074 fi
6075 if test "$fallocate_punch_hole" = "yes" ; then
6076   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6077 fi
6078 if test "$fallocate_zero_range" = "yes" ; then
6079   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6080 fi
6081 if test "$posix_fallocate" = "yes" ; then
6082   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6083 fi
6084 if test "$sync_file_range" = "yes" ; then
6085   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6086 fi
6087 if test "$fiemap" = "yes" ; then
6088   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6089 fi
6090 if test "$dup3" = "yes" ; then
6091   echo "CONFIG_DUP3=y" >> $config_host_mak
6092 fi
6093 if test "$ppoll" = "yes" ; then
6094   echo "CONFIG_PPOLL=y" >> $config_host_mak
6095 fi
6096 if test "$prctl_pr_set_timerslack" = "yes" ; then
6097   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6098 fi
6099 if test "$epoll" = "yes" ; then
6100   echo "CONFIG_EPOLL=y" >> $config_host_mak
6101 fi
6102 if test "$epoll_create1" = "yes" ; then
6103   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6104 fi
6105 if test "$sendfile" = "yes" ; then
6106   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6107 fi
6108 if test "$timerfd" = "yes" ; then
6109   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6110 fi
6111 if test "$setns" = "yes" ; then
6112   echo "CONFIG_SETNS=y" >> $config_host_mak
6113 fi
6114 if test "$clock_adjtime" = "yes" ; then
6115   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6116 fi
6117 if test "$syncfs" = "yes" ; then
6118   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6119 fi
6120 if test "$inotify" = "yes" ; then
6121   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6122 fi
6123 if test "$inotify1" = "yes" ; then
6124   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6125 fi
6126 if test "$sem_timedwait" = "yes" ; then
6127   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6128 fi
6129 if test "$byteswap_h" = "yes" ; then
6130   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6131 fi
6132 if test "$bswap_h" = "yes" ; then
6133   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6134 fi
6135 if test "$curl" = "yes" ; then
6136   echo "CONFIG_CURL=m" >> $config_host_mak
6137   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6138   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6139 fi
6140 if test "$brlapi" = "yes" ; then
6141   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6142   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6143 fi
6144 if test "$bluez" = "yes" ; then
6145   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6146   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6147 fi
6148 if test "$glib_subprocess" = "yes" ; then
6149   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6150 fi
6151 if test "$gtk" = "yes" ; then
6152   echo "CONFIG_GTK=y" >> $config_host_mak
6153   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6154   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6155   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6156   if test "$gtk_gl" = "yes" ; then
6157     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6158   fi
6159 fi
6160 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6161 if test "$gnutls" = "yes" ; then
6162   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6163 fi
6164 if test "$gnutls_rnd" = "yes" ; then
6165   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6166 fi
6167 if test "$gcrypt" = "yes" ; then
6168   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6169   if test "$gcrypt_hmac" = "yes" ; then
6170     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6171   fi
6172   if test "$gcrypt_kdf" = "yes" ; then
6173     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6174   fi
6175 fi
6176 if test "$nettle" = "yes" ; then
6177   echo "CONFIG_NETTLE=y" >> $config_host_mak
6178   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6179   if test "$nettle_kdf" = "yes" ; then
6180     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6181   fi
6182 fi
6183 if test "$tasn1" = "yes" ; then
6184   echo "CONFIG_TASN1=y" >> $config_host_mak
6185 fi
6186 if test "$have_ifaddrs_h" = "yes" ; then
6187     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6188 fi
6189 if test "$have_broken_size_max" = "yes" ; then
6190     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6191 fi
6192
6193 # Work around a system header bug with some kernel/XFS header
6194 # versions where they both try to define 'struct fsxattr':
6195 # xfs headers will not try to redefine structs from linux headers
6196 # if this macro is set.
6197 if test "$have_fsxattr" = "yes" ; then
6198     echo "HAVE_FSXATTR=y" >> $config_host_mak
6199 fi
6200 if test "$vte" = "yes" ; then
6201   echo "CONFIG_VTE=y" >> $config_host_mak
6202   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6203 fi
6204 if test "$virglrenderer" = "yes" ; then
6205   echo "CONFIG_VIRGL=y" >> $config_host_mak
6206   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6207   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6208 fi
6209 if test "$xen" = "yes" ; then
6210   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6211   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6212   if test "$xen_pv_domain_build" = "yes" ; then
6213     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6214   fi
6215 fi
6216 if test "$linux_aio" = "yes" ; then
6217   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6218 fi
6219 if test "$attr" = "yes" ; then
6220   echo "CONFIG_ATTR=y" >> $config_host_mak
6221 fi
6222 if test "$libattr" = "yes" ; then
6223   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6224 fi
6225 if test "$virtfs" = "yes" ; then
6226   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6227 fi
6228 if test "$mpath" = "yes" ; then
6229   echo "CONFIG_MPATH=y" >> $config_host_mak
6230 fi
6231 if test "$vhost_scsi" = "yes" ; then
6232   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6233 fi
6234 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6235   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6236 fi
6237 if test "$vhost_crypto" = "yes" ; then
6238   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6239 fi
6240 if test "$vhost_vsock" = "yes" ; then
6241   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6242 fi
6243 if test "$vhost_user" = "yes" ; then
6244   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6245 fi
6246 if test "$blobs" = "yes" ; then
6247   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6248 fi
6249 if test "$iovec" = "yes" ; then
6250   echo "CONFIG_IOVEC=y" >> $config_host_mak
6251 fi
6252 if test "$preadv" = "yes" ; then
6253   echo "CONFIG_PREADV=y" >> $config_host_mak
6254 fi
6255 if test "$fdt" = "yes" ; then
6256   echo "CONFIG_FDT=y" >> $config_host_mak
6257 fi
6258 if test "$signalfd" = "yes" ; then
6259   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6260 fi
6261 if test "$tcg" = "yes"; then
6262   echo "CONFIG_TCG=y" >> $config_host_mak
6263   if test "$tcg_interpreter" = "yes" ; then
6264     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6265   fi
6266 fi
6267 if test "$fdatasync" = "yes" ; then
6268   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6269 fi
6270 if test "$madvise" = "yes" ; then
6271   echo "CONFIG_MADVISE=y" >> $config_host_mak
6272 fi
6273 if test "$posix_madvise" = "yes" ; then
6274   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6275 fi
6276 if test "$posix_memalign" = "yes" ; then
6277   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6278 fi
6279
6280 if test "$spice" = "yes" ; then
6281   echo "CONFIG_SPICE=y" >> $config_host_mak
6282 fi
6283
6284 if test "$smartcard" = "yes" ; then
6285   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6286   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6287   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6288 fi
6289
6290 if test "$libusb" = "yes" ; then
6291   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6292   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6293   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6294 fi
6295
6296 if test "$usb_redir" = "yes" ; then
6297   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6298   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6299   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6300 fi
6301
6302 if test "$opengl" = "yes" ; then
6303   echo "CONFIG_OPENGL=y" >> $config_host_mak
6304   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6305   if test "$opengl_dmabuf" = "yes" ; then
6306     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6307   fi
6308 fi
6309
6310 if test "$malloc_trim" = "yes" ; then
6311   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6312 fi
6313
6314 if test "$avx2_opt" = "yes" ; then
6315   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6316 fi
6317
6318 if test "$lzo" = "yes" ; then
6319   echo "CONFIG_LZO=y" >> $config_host_mak
6320 fi
6321
6322 if test "$snappy" = "yes" ; then
6323   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6324 fi
6325
6326 if test "$bzip2" = "yes" ; then
6327   echo "CONFIG_BZIP2=y" >> $config_host_mak
6328   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6329 fi
6330
6331 if test "$libiscsi" = "yes" ; then
6332   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6333   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6334   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6335 fi
6336
6337 if test "$libnfs" = "yes" ; then
6338   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6339   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6340 fi
6341
6342 if test "$seccomp" = "yes"; then
6343   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6344   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6345   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6346 fi
6347
6348 # XXX: suppress that
6349 if [ "$bsd" = "yes" ] ; then
6350   echo "CONFIG_BSD=y" >> $config_host_mak
6351 fi
6352
6353 if test "$localtime_r" = "yes" ; then
6354   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6355 fi
6356 if test "$qom_cast_debug" = "yes" ; then
6357   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6358 fi
6359 if test "$rbd" = "yes" ; then
6360   echo "CONFIG_RBD=m" >> $config_host_mak
6361   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6362   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6363 fi
6364
6365 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6366 if test "$coroutine_pool" = "yes" ; then
6367   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6368 else
6369   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6370 fi
6371
6372 if test "$debug_stack_usage" = "yes" ; then
6373   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6374 fi
6375
6376 if test "$crypto_afalg" = "yes" ; then
6377   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6378 fi
6379
6380 if test "$open_by_handle_at" = "yes" ; then
6381   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6382 fi
6383
6384 if test "$linux_magic_h" = "yes" ; then
6385   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6386 fi
6387
6388 if test "$pragma_diagnostic_available" = "yes" ; then
6389   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6390 fi
6391
6392 if test "$valgrind_h" = "yes" ; then
6393   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6394 fi
6395
6396 if test "$have_asan_iface_fiber" = "yes" ; then
6397     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6398 fi
6399
6400 if test "$has_environ" = "yes" ; then
6401   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6402 fi
6403
6404 if test "$cpuid_h" = "yes" ; then
6405   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6406 fi
6407
6408 if test "$int128" = "yes" ; then
6409   echo "CONFIG_INT128=y" >> $config_host_mak
6410 fi
6411
6412 if test "$atomic128" = "yes" ; then
6413   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6414 fi
6415
6416 if test "$atomic64" = "yes" ; then
6417   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6418 fi
6419
6420 if test "$vector16" = "yes" ; then
6421   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6422 fi
6423
6424 if test "$getauxval" = "yes" ; then
6425   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6426 fi
6427
6428 if test "$glusterfs" = "yes" ; then
6429   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6430   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6431   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6432 fi
6433
6434 if test "$glusterfs_xlator_opt" = "yes" ; then
6435   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6436 fi
6437
6438 if test "$glusterfs_discard" = "yes" ; then
6439   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6440 fi
6441
6442 if test "$glusterfs_fallocate" = "yes" ; then
6443   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6444 fi
6445
6446 if test "$glusterfs_zerofill" = "yes" ; then
6447   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6448 fi
6449
6450 if test "$libssh2" = "yes" ; then
6451   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6452   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6453   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6454 fi
6455
6456 if test "$live_block_migration" = "yes" ; then
6457   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6458 fi
6459
6460 if test "$tpm" = "yes"; then
6461   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6462   # TPM passthrough support?
6463   if test "$tpm_passthrough" = "yes"; then
6464     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6465   fi
6466   # TPM emulator support?
6467   if test "$tpm_emulator" = "yes"; then
6468     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6469   fi
6470 fi
6471
6472 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6473 if have_backend "nop"; then
6474   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6475 fi
6476 if have_backend "simple"; then
6477   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6478   # Set the appropriate trace file.
6479   trace_file="\"$trace_file-\" FMT_pid"
6480 fi
6481 if have_backend "log"; then
6482   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6483 fi
6484 if have_backend "ust"; then
6485   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6486 fi
6487 if have_backend "dtrace"; then
6488   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6489   if test "$trace_backend_stap" = "yes" ; then
6490     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6491   fi
6492 fi
6493 if have_backend "ftrace"; then
6494   if test "$linux" = "yes" ; then
6495     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6496   else
6497     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6498   fi
6499 fi
6500 if have_backend "syslog"; then
6501   if test "$posix_syslog" = "yes" ; then
6502     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6503   else
6504     feature_not_found "syslog(trace backend)" "syslog not available"
6505   fi
6506 fi
6507 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6508
6509 if test "$rdma" = "yes" ; then
6510   echo "CONFIG_RDMA=y" >> $config_host_mak
6511   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6512 fi
6513
6514 if test "$have_rtnetlink" = "yes" ; then
6515   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6516 fi
6517
6518 if test "$libxml2" = "yes" ; then
6519   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6520   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6521   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6522 fi
6523
6524 if test "$replication" = "yes" ; then
6525   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6526 fi
6527
6528 if test "$have_af_vsock" = "yes" ; then
6529   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6530 fi
6531
6532 if test "$have_sysmacros" = "yes" ; then
6533   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6534 fi
6535
6536 if test "$have_static_assert" = "yes" ; then
6537   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6538 fi
6539
6540 if test "$have_utmpx" = "yes" ; then
6541   echo "HAVE_UTMPX=y" >> $config_host_mak
6542 fi
6543
6544 if test "$ivshmem" = "yes" ; then
6545   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6546 fi
6547 if test "$capstone" != "no" ; then
6548   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6549 fi
6550
6551 # Hold two types of flag:
6552 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6553 #                                     a thread we have a handle to
6554 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6555 #                                     platform
6556 if test "$pthread_setname_np" = "yes" ; then
6557   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6558   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6559 fi
6560
6561 if test "$vxhs" = "yes" ; then
6562   echo "CONFIG_VXHS=y" >> $config_host_mak
6563   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6564 fi
6565
6566 if test "$tcg_interpreter" = "yes"; then
6567   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6568 elif test "$ARCH" = "sparc64" ; then
6569   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6570 elif test "$ARCH" = "s390x" ; then
6571   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6572 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6573   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6574 elif test "$ARCH" = "ppc64" ; then
6575   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6576 else
6577   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6578 fi
6579 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6580
6581 echo "TOOLS=$tools" >> $config_host_mak
6582 echo "ROMS=$roms" >> $config_host_mak
6583 echo "MAKE=$make" >> $config_host_mak
6584 echo "INSTALL=$install" >> $config_host_mak
6585 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6586 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6587 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6588 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6589 echo "PYTHON=$python" >> $config_host_mak
6590 echo "CC=$cc" >> $config_host_mak
6591 if $iasl -h > /dev/null 2>&1; then
6592   echo "IASL=$iasl" >> $config_host_mak
6593 fi
6594 echo "CC_I386=$cc_i386" >> $config_host_mak
6595 echo "HOST_CC=$host_cc" >> $config_host_mak
6596 echo "CXX=$cxx" >> $config_host_mak
6597 echo "OBJCC=$objcc" >> $config_host_mak
6598 echo "AR=$ar" >> $config_host_mak
6599 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6600 echo "AS=$as" >> $config_host_mak
6601 echo "CCAS=$ccas" >> $config_host_mak
6602 echo "CPP=$cpp" >> $config_host_mak
6603 echo "OBJCOPY=$objcopy" >> $config_host_mak
6604 echo "LD=$ld" >> $config_host_mak
6605 echo "RANLIB=$ranlib" >> $config_host_mak
6606 echo "NM=$nm" >> $config_host_mak
6607 echo "WINDRES=$windres" >> $config_host_mak
6608 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6609 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6610 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6611 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6612 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6613 if test "$sparse" = "yes" ; then
6614   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6615   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6616   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6617   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6618   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6619 fi
6620 if test "$cross_prefix" != ""; then
6621   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6622 else
6623   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6624 fi
6625 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6626 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6627 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6628 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6629 echo "LIBS+=$LIBS" >> $config_host_mak
6630 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6631 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6632 echo "EXESUF=$EXESUF" >> $config_host_mak
6633 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6634 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6635 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6636 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6637 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6638 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6639 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6640 if test "$gcov" = "yes" ; then
6641   echo "CONFIG_GCOV=y" >> $config_host_mak
6642   echo "GCOV=$gcov_tool" >> $config_host_mak
6643 fi
6644
6645 # use included Linux headers
6646 if test "$linux" = "yes" ; then
6647   mkdir -p linux-headers
6648   case "$cpu" in
6649   i386|x86_64|x32)
6650     linux_arch=x86
6651     ;;
6652   ppcemb|ppc|ppc64)
6653     linux_arch=powerpc
6654     ;;
6655   s390x)
6656     linux_arch=s390
6657     ;;
6658   aarch64)
6659     linux_arch=arm64
6660     ;;
6661   mips64)
6662     linux_arch=mips
6663     ;;
6664   *)
6665     # For most CPUs the kernel architecture name and QEMU CPU name match.
6666     linux_arch="$cpu"
6667     ;;
6668   esac
6669     # For non-KVM architectures we will not have asm headers
6670     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6671       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6672     fi
6673 fi
6674
6675 for target in $target_list; do
6676 target_dir="$target"
6677 config_target_mak=$target_dir/config-target.mak
6678 target_name=$(echo $target | cut -d '-' -f 1)
6679 target_bigendian="no"
6680
6681 case "$target_name" in
6682   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6683   target_bigendian=yes
6684   ;;
6685 esac
6686 target_softmmu="no"
6687 target_user_only="no"
6688 target_linux_user="no"
6689 target_bsd_user="no"
6690 case "$target" in
6691   ${target_name}-softmmu)
6692     target_softmmu="yes"
6693     ;;
6694   ${target_name}-linux-user)
6695     target_user_only="yes"
6696     target_linux_user="yes"
6697     ;;
6698   ${target_name}-bsd-user)
6699     target_user_only="yes"
6700     target_bsd_user="yes"
6701     ;;
6702   *)
6703     error_exit "Target '$target' not recognised"
6704     exit 1
6705     ;;
6706 esac
6707
6708 mkdir -p $target_dir
6709 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6710
6711 bflt="no"
6712 mttcg="no"
6713 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6714 gdb_xml_files=""
6715
6716 TARGET_ARCH="$target_name"
6717 TARGET_BASE_ARCH=""
6718 TARGET_ABI_DIR=""
6719
6720 case "$target_name" in
6721   i386)
6722     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6723   ;;
6724   x86_64)
6725     TARGET_BASE_ARCH=i386
6726     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6727   ;;
6728   alpha)
6729     mttcg="yes"
6730   ;;
6731   arm|armeb)
6732     TARGET_ARCH=arm
6733     bflt="yes"
6734     mttcg="yes"
6735     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6736   ;;
6737   aarch64|aarch64_be)
6738     TARGET_ARCH=aarch64
6739     TARGET_BASE_ARCH=arm
6740     bflt="yes"
6741     mttcg="yes"
6742     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6743   ;;
6744   cris)
6745   ;;
6746   hppa)
6747     mttcg="yes"
6748   ;;
6749   lm32)
6750   ;;
6751   m68k)
6752     bflt="yes"
6753     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6754   ;;
6755   microblaze|microblazeel)
6756     TARGET_ARCH=microblaze
6757     bflt="yes"
6758   ;;
6759   mips|mipsel)
6760     TARGET_ARCH=mips
6761     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6762   ;;
6763   mipsn32|mipsn32el)
6764     TARGET_ARCH=mips64
6765     TARGET_BASE_ARCH=mips
6766     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6767     echo "TARGET_ABI32=y" >> $config_target_mak
6768   ;;
6769   mips64|mips64el)
6770     TARGET_ARCH=mips64
6771     TARGET_BASE_ARCH=mips
6772     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6773   ;;
6774   moxie)
6775   ;;
6776   nios2)
6777   ;;
6778   or1k)
6779     TARGET_ARCH=openrisc
6780     TARGET_BASE_ARCH=openrisc
6781   ;;
6782   ppc)
6783     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6784   ;;
6785   ppcemb)
6786     TARGET_BASE_ARCH=ppc
6787     TARGET_ABI_DIR=ppc
6788     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6789   ;;
6790   ppc64)
6791     TARGET_BASE_ARCH=ppc
6792     TARGET_ABI_DIR=ppc
6793     mttcg=yes
6794     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6795   ;;
6796   ppc64le)
6797     TARGET_ARCH=ppc64
6798     TARGET_BASE_ARCH=ppc
6799     TARGET_ABI_DIR=ppc
6800     mttcg=yes
6801     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6802   ;;
6803   ppc64abi32)
6804     TARGET_ARCH=ppc64
6805     TARGET_BASE_ARCH=ppc
6806     TARGET_ABI_DIR=ppc
6807     echo "TARGET_ABI32=y" >> $config_target_mak
6808     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6809   ;;
6810   sh4|sh4eb)
6811     TARGET_ARCH=sh4
6812     bflt="yes"
6813   ;;
6814   sparc)
6815   ;;
6816   sparc64)
6817     TARGET_BASE_ARCH=sparc
6818   ;;
6819   sparc32plus)
6820     TARGET_ARCH=sparc64
6821     TARGET_BASE_ARCH=sparc
6822     TARGET_ABI_DIR=sparc
6823     echo "TARGET_ABI32=y" >> $config_target_mak
6824   ;;
6825   s390x)
6826     mttcg=yes
6827     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6828   ;;
6829   tilegx)
6830   ;;
6831   tricore)
6832   ;;
6833   unicore32)
6834   ;;
6835   xtensa|xtensaeb)
6836     TARGET_ARCH=xtensa
6837   ;;
6838   *)
6839     error_exit "Unsupported target CPU"
6840   ;;
6841 esac
6842 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6843 if [ "$TARGET_BASE_ARCH" = "" ]; then
6844   TARGET_BASE_ARCH=$TARGET_ARCH
6845 fi
6846
6847 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6848
6849 upper() {
6850     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6851 }
6852
6853 target_arch_name="$(upper $TARGET_ARCH)"
6854 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6855 echo "TARGET_NAME=$target_name" >> $config_target_mak
6856 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6857 if [ "$TARGET_ABI_DIR" = "" ]; then
6858   TARGET_ABI_DIR=$TARGET_ARCH
6859 fi
6860 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6861 if [ "$HOST_VARIANT_DIR" != "" ]; then
6862     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6863 fi
6864
6865 if supported_xen_target $target; then
6866     echo "CONFIG_XEN=y" >> $config_target_mak
6867     if test "$xen_pci_passthrough" = yes; then
6868         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6869     fi
6870 fi
6871 if supported_kvm_target $target; then
6872     echo "CONFIG_KVM=y" >> $config_target_mak
6873     if test "$vhost_net" = "yes" ; then
6874         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6875         if test "$vhost_user" = "yes" ; then
6876             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6877         fi
6878     fi
6879 fi
6880 if supported_hax_target $target; then
6881     echo "CONFIG_HAX=y" >> $config_target_mak
6882 fi
6883 if supported_hvf_target $target; then
6884     echo "CONFIG_HVF=y" >> $config_target_mak
6885 fi
6886 if supported_whpx_target $target; then
6887     echo "CONFIG_WHPX=y" >> $config_target_mak
6888 fi
6889 if test "$target_bigendian" = "yes" ; then
6890   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6891 fi
6892 if test "$target_softmmu" = "yes" ; then
6893   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6894   if test "$mttcg" = "yes" ; then
6895     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6896   fi
6897 fi
6898 if test "$target_user_only" = "yes" ; then
6899   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6900   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6901 fi
6902 if test "$target_linux_user" = "yes" ; then
6903   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6904 fi
6905 list=""
6906 if test ! -z "$gdb_xml_files" ; then
6907   for x in $gdb_xml_files; do
6908     list="$list $source_path/gdb-xml/$x"
6909   done
6910   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6911 fi
6912
6913 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6914   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6915 fi
6916 if test "$target_bsd_user" = "yes" ; then
6917   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6918 fi
6919
6920 # generate QEMU_CFLAGS/LDFLAGS for targets
6921
6922 cflags=""
6923 ldflags=""
6924
6925 disas_config() {
6926   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6927   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6928 }
6929
6930 for i in $ARCH $TARGET_BASE_ARCH ; do
6931   case "$i" in
6932   alpha)
6933     disas_config "ALPHA"
6934   ;;
6935   aarch64)
6936     if test -n "${cxx}"; then
6937       disas_config "ARM_A64"
6938     fi
6939   ;;
6940   arm)
6941     disas_config "ARM"
6942     if test -n "${cxx}"; then
6943       disas_config "ARM_A64"
6944     fi
6945   ;;
6946   cris)
6947     disas_config "CRIS"
6948   ;;
6949   hppa)
6950     disas_config "HPPA"
6951   ;;
6952   i386|x86_64|x32)
6953     disas_config "I386"
6954   ;;
6955   lm32)
6956     disas_config "LM32"
6957   ;;
6958   m68k)
6959     disas_config "M68K"
6960   ;;
6961   microblaze*)
6962     disas_config "MICROBLAZE"
6963   ;;
6964   mips*)
6965     disas_config "MIPS"
6966   ;;
6967   moxie*)
6968     disas_config "MOXIE"
6969   ;;
6970   nios2)
6971     disas_config "NIOS2"
6972   ;;
6973   or1k)
6974     disas_config "OPENRISC"
6975   ;;
6976   ppc*)
6977     disas_config "PPC"
6978   ;;
6979   s390*)
6980     disas_config "S390"
6981   ;;
6982   sh4)
6983     disas_config "SH4"
6984   ;;
6985   sparc*)
6986     disas_config "SPARC"
6987   ;;
6988   xtensa*)
6989     disas_config "XTENSA"
6990   ;;
6991   esac
6992 done
6993 if test "$tcg_interpreter" = "yes" ; then
6994   disas_config "TCI"
6995 fi
6996
6997 case "$ARCH" in
6998 alpha)
6999   # Ensure there's only a single GP
7000   cflags="-msmall-data $cflags"
7001 ;;
7002 esac
7003
7004 if test "$gprof" = "yes" ; then
7005   echo "TARGET_GPROF=yes" >> $config_target_mak
7006   if test "$target_linux_user" = "yes" ; then
7007     cflags="-p $cflags"
7008     ldflags="-p $ldflags"
7009   fi
7010   if test "$target_softmmu" = "yes" ; then
7011     ldflags="-p $ldflags"
7012     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7013   fi
7014 fi
7015
7016 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7017   ldflags="$ldflags $textseg_ldflags"
7018 fi
7019
7020 # Newer kernels on s390 check for an S390_PGSTE program header and
7021 # enable the pgste page table extensions in that case. This makes
7022 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7023 # header if
7024 #  - we build on s390x
7025 #  - we build the system emulation for s390x (qemu-system-s390x)
7026 #  - KVM is enabled
7027 #  - the linker supports --s390-pgste
7028 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7029     if ld_has --s390-pgste ; then
7030         ldflags="-Wl,--s390-pgste $ldflags"
7031     fi
7032 fi
7033
7034 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7035 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7036
7037 done # for target in $targets
7038
7039 if [ "$dtc_internal" = "yes" ]; then
7040   echo "config-host.h: subdir-dtc" >> $config_host_mak
7041 fi
7042 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7043   echo "config-host.h: subdir-capstone" >> $config_host_mak
7044 fi
7045 if test -n "$LIBCAPSTONE"; then
7046   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7047 fi
7048
7049 if test "$numa" = "yes"; then
7050   echo "CONFIG_NUMA=y" >> $config_host_mak
7051 fi
7052
7053 if test "$ccache_cpp2" = "yes"; then
7054   echo "export CCACHE_CPP2=y" >> $config_host_mak
7055 fi
7056
7057 # build tree in object directory in case the source is not in the current directory
7058 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7059 DIRS="$DIRS docs docs/interop fsdev scsi"
7060 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7061 DIRS="$DIRS roms/seabios roms/vgabios"
7062 DIRS="$DIRS qapi-generated"
7063 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7064 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7065 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7066 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7067 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7068 FILES="$FILES pc-bios/s390-ccw/Makefile"
7069 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7070 FILES="$FILES pc-bios/qemu-icon.bmp"
7071 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7072 for bios_file in \
7073     $source_path/pc-bios/*.bin \
7074     $source_path/pc-bios/*.lid \
7075     $source_path/pc-bios/*.aml \
7076     $source_path/pc-bios/*.rom \
7077     $source_path/pc-bios/*.dtb \
7078     $source_path/pc-bios/*.img \
7079     $source_path/pc-bios/openbios-* \
7080     $source_path/pc-bios/u-boot.* \
7081     $source_path/pc-bios/palcode-*
7082 do
7083     FILES="$FILES pc-bios/$(basename $bios_file)"
7084 done
7085 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7086 do
7087     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7088 done
7089 mkdir -p $DIRS
7090 for f in $FILES ; do
7091     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7092         symlink "$source_path/$f" "$f"
7093     fi
7094 done
7095
7096 # temporary config to build submodules
7097 for rom in seabios vgabios ; do
7098     config_mak=roms/$rom/config.mak
7099     echo "# Automatically generated by configure - do not modify" > $config_mak
7100     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7101     echo "AS=$as" >> $config_mak
7102     echo "CCAS=$ccas" >> $config_mak
7103     echo "CC=$cc" >> $config_mak
7104     echo "BCC=bcc" >> $config_mak
7105     echo "CPP=$cpp" >> $config_mak
7106     echo "OBJCOPY=objcopy" >> $config_mak
7107     echo "IASL=$iasl" >> $config_mak
7108     echo "LD=$ld" >> $config_mak
7109     echo "RANLIB=$ranlib" >> $config_mak
7110 done
7111
7112 # set up tests data directory
7113 if [ ! -e tests/data ]; then
7114     symlink "$source_path/tests/data" tests/data
7115 fi
7116
7117 # set up qemu-iotests in this build directory
7118 iotests_common_env="tests/qemu-iotests/common.env"
7119 iotests_check="tests/qemu-iotests/check"
7120
7121 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7122 echo >> "$iotests_common_env"
7123 echo "export PYTHON='$python'" >> "$iotests_common_env"
7124
7125 if [ ! -e "$iotests_check" ]; then
7126     symlink "$source_path/$iotests_check" "$iotests_check"
7127 fi
7128
7129 # Save the configure command line for later reuse.
7130 cat <<EOD >config.status
7131 #!/bin/sh
7132 # Generated by configure.
7133 # Run this file to recreate the current configuration.
7134 # Compiler output produced by configure, useful for debugging
7135 # configure, is in config.log if it exists.
7136 EOD
7137 printf "exec" >>config.status
7138 printf " '%s'" "$0" "$@" >>config.status
7139 echo ' "$@"' >>config.status
7140 chmod +x config.status
7141
7142 rm -r "$TMPDIR1"