configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     echo $compiler "$@" >> config.log
  64     $compiler "$@" >> config.log 2>&1 || return $?
  65     # Test passed. If this is an --enable-werror build, rerun
  66     # the test with -Werror and bail out if it fails. This
  67     # makes warning-generating-errors in configure test code
  68     # obvious to developers.
  69     if test "$werror" != "yes"; then
  70         return 0
  71     fi
  72     # Don't bother rerunning the compile if we were already using -Werror
  73     case "$*" in
  74         *-Werror*)
  75            return 0
  76         ;;
  77     esac
  78     echo $compiler -Werror "$@" >> config.log
  79     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  80     error_exit "configure test passed without -Werror but failed with -Werror." \
  81         "This is probably a bug in the configure script. The failing command" \
  82         "will be at the bottom of config.log." \
  83         "You can run configure with --disable-werror to bypass this check."
  84 }
  85
  86 do_cc() {
  87     do_compiler "$cc" "$@"
  88 }
  89
  90 do_cxx() {
  91     do_compiler "$cxx" "$@"
  92 }
  93
  94 update_cxxflags() {
  95     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  96     # options which some versions of GCC's C++ compiler complain about
  97     # because they only make sense for C programs.
  98     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
  99
 100     for arg in $QEMU_CFLAGS; do
 101         case $arg in
 102             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 103             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 104                 ;;
 105             *)
 106                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 107                 ;;
 108         esac
 109     done
 110 }
 111
 112 compile_object() {
 113   local_cflags="$1"
 114   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 115 }
 116
 117 compile_prog() {
 118   local_cflags="$1"
 119   local_ldflags="$2"
 120   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 121 }
 122
 123 # symbolically link $1 to $2.  Portable version of "ln -sf".
 124 symlink() {
 125   rm -rf "$2"
 126   mkdir -p "$(dirname "$2")"
 127   ln -s "$1" "$2"
 128 }
 129
 130 # check whether a command is available to this shell (may be either an
 131 # executable or a builtin)
 132 has() {
 133     type "$1" >/dev/null 2>&1
 134 }
 135
 136 # search for an executable in PATH
 137 path_of() {
 138     local_command="$1"
 139     local_ifs="$IFS"
 140     local_dir=""
 141
 142     # pathname has a dir component?
 143     if [ "${local_command#*/}" != "$local_command" ]; then
 144         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 145             echo "$local_command"
 146             return 0
 147         fi
 148     fi
 149     if [ -z "$local_command" ]; then
 150         return 1
 151     fi
 152
 153     IFS=:
 154     for local_dir in $PATH; do
 155         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 156             echo "$local_dir/$local_command"
 157             IFS="${local_ifs:-$(printf ' \t\n')}"
 158             return 0
 159         fi
 160     done
 161     # not found
 162     IFS="${local_ifs:-$(printf ' \t\n')}"
 163     return 1
 164 }
 165
 166 have_backend () {
 167     echo "$trace_backends" | grep "$1" >/dev/null
 168 }
 169
 170 glob() {
 171     eval test -z '"${1#'"$2"'}"'
 172 }
 173
 174 supported_hax_target() {
 175     test "$hax" = "yes" || return 1
 176     glob "$1" "*-softmmu" || return 1
 177     case "${1%-softmmu}" in
 178         i386|x86_64)
 179             return 0
 180         ;;
 181     esac
 182     return 1
 183 }
 184
 185 supported_kvm_target() {
 186     test "$kvm" = "yes" || return 1
 187     glob "$1" "*-softmmu" || return 1
 188     case "${1%-softmmu}:$cpu" in
 189         arm:arm | aarch64:aarch64 | \
 190         i386:i386 | i386:x86_64 | i386:x32 | \
 191         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 192         mips:mips | mipsel:mips | \
 193         ppc:ppc | ppcemb:ppc | ppc64:ppc | \
 194         ppc:ppc64 | ppcemb:ppc64 | ppc64:ppc64 | \
 195         s390x:s390x)
 196             return 0
 197         ;;
 198     esac
 199     return 1
 200 }
 201
 202 supported_xen_target() {
 203     test "$xen" = "yes" || return 1
 204     glob "$1" "*-softmmu" || return 1
 205     # Only i386 and x86_64 provide the xenpv machine.
 206     case "${1%-softmmu}" in
 207         i386|x86_64)
 208             return 0
 209         ;;
 210     esac
 211     return 1
 212 }
 213
 214 supported_hvf_target() {
 215     test "$hvf" = "yes" || return 1
 216     glob "$1" "*-softmmu" || return 1
 217     case "${1%-softmmu}" in
 218         x86_64)
 219             return 0
 220         ;;
 221     esac
 222     return 1
 223 }
 224
 225 supported_whpx_target() {
 226     test "$whpx" = "yes" || return 1
 227     glob "$1" "*-softmmu" || return 1
 228     case "${1%-softmmu}" in
 229         i386|x86_64)
 230             return 0
 231         ;;
 232     esac
 233     return 1
 234 }
 235
 236 supported_target() {
 237     case "$1" in
 238         *-softmmu)
 239             ;;
 240         *-linux-user)
 241             if test "$linux" != "yes"; then
 242                 print_error "Target '$target' is only available on a Linux host"
 243                 return 1
 244             fi
 245             ;;
 246         *-bsd-user)
 247             if test "$bsd" != "yes"; then
 248                 print_error "Target '$target' is only available on a BSD host"
 249                 return 1
 250             fi
 251             ;;
 252         *)
 253             print_error "Invalid target name '$target'"
 254             return 1
 255             ;;
 256     esac
 257     test "$tcg" = "yes" && return 0
 258     supported_kvm_target "$1" && return 0
 259     supported_xen_target "$1" && return 0
 260     supported_hax_target "$1" && return 0
 261     supported_hvf_target "$1" && return 0
 262     supported_whpx_target "$1" && return 0
 263     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 264     return 1
 265 }
 266
 267
 268 ld_has() {
 269     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 270 }
 271
 272 # default parameters
 273 source_path=$(dirname "$0")
 274 cpu=""
 275 iasl="iasl"
 276 interp_prefix="/usr/gnemul/qemu-%M"
 277 static="no"
 278 cross_prefix=""
 279 audio_drv_list=""
 280 block_drv_rw_whitelist=""
 281 block_drv_ro_whitelist=""
 282 host_cc="cc"
 283 libs_softmmu=""
 284 libs_tools=""
 285 audio_pt_int=""
 286 audio_win_int=""
 287 cc_i386=i386-pc-linux-gnu-gcc
 288 libs_qga=""
 289 debug_info="yes"
 290 stack_protector=""
 291
 292 if test -e "$source_path/.git"
 293 then
 294     git_update=yes
 295     git_submodules="ui/keycodemapdb"
 296 else
 297     git_update=no
 298     git_submodules=""
 299 fi
 300 git="git"
 301
 302 # Don't accept a target_list environment variable.
 303 unset target_list
 304
 305 # Default value for a variable defining feature "foo".
 306 #  * foo="no"  feature will only be used if --enable-foo arg is given
 307 #  * foo=""    feature will be searched for, and if found, will be used
 308 #              unless --disable-foo is given
 309 #  * foo="yes" this value will only be set by --enable-foo flag.
 310 #              feature will searched for,
 311 #              if not found, configure exits with error
 312 #
 313 # Always add --enable-foo and --disable-foo command line args.
 314 # Distributions want to ensure that several features are compiled in, and it
 315 # is impossible without a --enable-foo that exits if a feature is not found.
 316
 317 bluez=""
 318 brlapi=""
 319 curl=""
 320 curses=""
 321 docs=""
 322 fdt=""
 323 netmap="no"
 324 sdl=""
 325 sdlabi=""
 326 virtfs=""
 327 mpath=""
 328 vnc="yes"
 329 sparse="no"
 330 vde=""
 331 vnc_sasl=""
 332 vnc_jpeg=""
 333 vnc_png=""
 334 xkbcommon=""
 335 xen=""
 336 xen_ctrl_version=""
 337 xen_pv_domain_build="no"
 338 xen_pci_passthrough=""
 339 linux_aio=""
 340 cap_ng=""
 341 attr=""
 342 libattr=""
 343 xfs=""
 344 tcg="yes"
 345
 346 vhost_net="no"
 347 vhost_crypto="no"
 348 vhost_scsi="no"
 349 vhost_vsock="no"
 350 vhost_user=""
 351 kvm="no"
 352 hax="no"
 353 hvf="no"
 354 whpx="no"
 355 rdma=""
 356 gprof="no"
 357 debug_tcg="no"
 358 debug="no"
 359 sanitizers="no"
 360 fortify_source=""
 361 strip_opt="yes"
 362 tcg_interpreter="no"
 363 bigendian="no"
 364 mingw32="no"
 365 gcov="no"
 366 gcov_tool="gcov"
 367 EXESUF=""
 368 DSOSUF=".so"
 369 LDFLAGS_SHARED="-shared"
 370 modules="no"
 371 prefix="/usr/local"
 372 mandir="\${prefix}/share/man"
 373 datadir="\${prefix}/share"
 374 firmwarepath="\${prefix}/share/qemu-firmware"
 375 qemu_docdir="\${prefix}/share/doc/qemu"
 376 bindir="\${prefix}/bin"
 377 libdir="\${prefix}/lib"
 378 libexecdir="\${prefix}/libexec"
 379 includedir="\${prefix}/include"
 380 sysconfdir="\${prefix}/etc"
 381 local_statedir="\${prefix}/var"
 382 confsuffix="/qemu"
 383 slirp="yes"
 384 oss_lib=""
 385 bsd="no"
 386 linux="no"
 387 solaris="no"
 388 profiler="no"
 389 cocoa="no"
 390 softmmu="yes"
 391 linux_user="no"
 392 bsd_user="no"
 393 blobs="yes"
 394 pkgversion=""
 395 pie=""
 396 qom_cast_debug="yes"
 397 trace_backends="log"
 398 trace_file="trace"
 399 spice=""
 400 rbd=""
 401 smartcard=""
 402 libusb=""
 403 usb_redir=""
 404 opengl=""
 405 opengl_dmabuf="no"
 406 cpuid_h="no"
 407 avx2_opt="no"
 408 zlib="yes"
 409 capstone=""
 410 lzo=""
 411 snappy=""
 412 bzip2=""
 413 guest_agent=""
 414 guest_agent_with_vss="no"
 415 guest_agent_ntddscsi="no"
 416 guest_agent_msi=""
 417 vss_win32_sdk=""
 418 win_sdk="no"
 419 want_tools="yes"
 420 libiscsi=""
 421 libnfs=""
 422 coroutine=""
 423 coroutine_pool=""
 424 debug_stack_usage="no"
 425 crypto_afalg="no"
 426 seccomp=""
 427 glusterfs=""
 428 glusterfs_xlator_opt="no"
 429 glusterfs_discard="no"
 430 glusterfs_fallocate="no"
 431 glusterfs_zerofill="no"
 432 gtk=""
 433 gtkabi=""
 434 gtk_gl="no"
 435 tls_priority="NORMAL"
 436 gnutls=""
 437 gnutls_rnd=""
 438 nettle=""
 439 nettle_kdf="no"
 440 gcrypt=""
 441 gcrypt_hmac="no"
 442 gcrypt_kdf="no"
 443 vte=""
 444 virglrenderer=""
 445 tpm="yes"
 446 libssh2=""
 447 live_block_migration="yes"
 448 numa=""
 449 tcmalloc="no"
 450 jemalloc="no"
 451 replication="yes"
 452 vxhs=""
 453 libxml2=""
 454
 455 supported_cpu="no"
 456 supported_os="no"
 457 bogus_os="no"
 458 malloc_trim=""
 459
 460 # parse CC options first
 461 for opt do
 462   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 463   case "$opt" in
 464   --cross-prefix=*) cross_prefix="$optarg"
 465   ;;
 466   --cc=*) CC="$optarg"
 467   ;;
 468   --cxx=*) CXX="$optarg"
 469   ;;
 470   --source-path=*) source_path="$optarg"
 471   ;;
 472   --cpu=*) cpu="$optarg"
 473   ;;
 474   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 475   ;;
 476   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 477   ;;
 478   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 479                      EXTRA_LDFLAGS="$optarg"
 480   ;;
 481   --enable-debug-info) debug_info="yes"
 482   ;;
 483   --disable-debug-info) debug_info="no"
 484   ;;
 485   esac
 486 done
 487 # OS specific
 488 # Using uname is really, really broken.  Once we have the right set of checks
 489 # we can eliminate its usage altogether.
 490
 491 # Preferred compiler:
 492 #  ${CC} (if set)
 493 #  ${cross_prefix}gcc (if cross-prefix specified)
 494 #  system compiler
 495 if test -z "${CC}${cross_prefix}"; then
 496   cc="$host_cc"
 497 else
 498   cc="${CC-${cross_prefix}gcc}"
 499 fi
 500
 501 if test -z "${CXX}${cross_prefix}"; then
 502   cxx="c++"
 503 else
 504   cxx="${CXX-${cross_prefix}g++}"
 505 fi
 506
 507 ar="${AR-${cross_prefix}ar}"
 508 as="${AS-${cross_prefix}as}"
 509 ccas="${CCAS-$cc}"
 510 cpp="${CPP-$cc -E}"
 511 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 512 ld="${LD-${cross_prefix}ld}"
 513 ranlib="${RANLIB-${cross_prefix}ranlib}"
 514 nm="${NM-${cross_prefix}nm}"
 515 strip="${STRIP-${cross_prefix}strip}"
 516 windres="${WINDRES-${cross_prefix}windres}"
 517 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 518 query_pkg_config() {
 519     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 520 }
 521 pkg_config=query_pkg_config
 522 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 523 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 524
 525 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 526 ARFLAGS="${ARFLAGS-rv}"
 527
 528 # default flags for all hosts
 529 # We use -fwrapv to tell the compiler that we require a C dialect where
 530 # left shift of signed integers is well defined and has the expected
 531 # 2s-complement style results. (Both clang and gcc agree that it
 532 # provides these semantics.)
 533 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 534 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 535 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 536 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 537 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 538 if test "$debug_info" = "yes"; then
 539     CFLAGS="-g $CFLAGS"
 540     LDFLAGS="-g $LDFLAGS"
 541 fi
 542
 543 # make source path absolute
 544 source_path=$(cd "$source_path"; pwd)
 545
 546 # running configure in the source tree?
 547 # we know that's the case if configure is there.
 548 if test -f "./configure"; then
 549     pwd_is_source_path="y"
 550 else
 551     pwd_is_source_path="n"
 552 fi
 553
 554 check_define() {
 555 cat > $TMPC <<EOF
 556 #if !defined($1)
 557 #error $1 not defined
 558 #endif
 559 int main(void) { return 0; }
 560 EOF
 561   compile_object
 562 }
 563
 564 check_include() {
 565 cat > $TMPC <<EOF
 566 #include <$1>
 567 int main(void) { return 0; }
 568 EOF
 569   compile_object
 570 }
 571
 572 write_c_skeleton() {
 573     cat > $TMPC <<EOF
 574 int main(void) { return 0; }
 575 EOF
 576 }
 577
 578 if check_define __linux__ ; then
 579   targetos="Linux"
 580 elif check_define _WIN32 ; then
 581   targetos='MINGW32'
 582 elif check_define __OpenBSD__ ; then
 583   targetos='OpenBSD'
 584 elif check_define __sun__ ; then
 585   targetos='SunOS'
 586 elif check_define __HAIKU__ ; then
 587   targetos='Haiku'
 588 elif check_define __FreeBSD__ ; then
 589   targetos='FreeBSD'
 590 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 591   targetos='GNU/kFreeBSD'
 592 elif check_define __DragonFly__ ; then
 593   targetos='DragonFly'
 594 elif check_define __NetBSD__; then
 595   targetos='NetBSD'
 596 elif check_define __APPLE__; then
 597   targetos='Darwin'
 598 else
 599   # This is a fatal error, but don't report it yet, because we
 600   # might be going to just print the --help text, or it might
 601   # be the result of a missing compiler.
 602   targetos='bogus'
 603   bogus_os='yes'
 604 fi
 605
 606 # Some host OSes need non-standard checks for which CPU to use.
 607 # Note that these checks are broken for cross-compilation: if you're
 608 # cross-compiling to one of these OSes then you'll need to specify
 609 # the correct CPU with the --cpu option.
 610 case $targetos in
 611 Darwin)
 612   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 613   # run 64-bit userspace code.
 614   # If the user didn't specify a CPU explicitly and the kernel says this is
 615   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 616   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 617     cpu="x86_64"
 618   fi
 619   ;;
 620 SunOS)
 621   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 622   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 623     cpu="x86_64"
 624   fi
 625 esac
 626
 627 if test ! -z "$cpu" ; then
 628   # command line argument
 629   :
 630 elif check_define __i386__ ; then
 631   cpu="i386"
 632 elif check_define __x86_64__ ; then
 633   if check_define __ILP32__ ; then
 634     cpu="x32"
 635   else
 636     cpu="x86_64"
 637   fi
 638 elif check_define __sparc__ ; then
 639   if check_define __arch64__ ; then
 640     cpu="sparc64"
 641   else
 642     cpu="sparc"
 643   fi
 644 elif check_define _ARCH_PPC ; then
 645   if check_define _ARCH_PPC64 ; then
 646     cpu="ppc64"
 647   else
 648     cpu="ppc"
 649   fi
 650 elif check_define __mips__ ; then
 651   cpu="mips"
 652 elif check_define __s390__ ; then
 653   if check_define __s390x__ ; then
 654     cpu="s390x"
 655   else
 656     cpu="s390"
 657   fi
 658 elif check_define __arm__ ; then
 659   cpu="arm"
 660 elif check_define __aarch64__ ; then
 661   cpu="aarch64"
 662 else
 663   cpu=$(uname -m)
 664 fi
 665
 666 ARCH=
 667 # Normalise host CPU name and set ARCH.
 668 # Note that this case should only have supported host CPUs, not guests.
 669 case "$cpu" in
 670   ppc|ppc64|s390|s390x|sparc64|x32)
 671     cpu="$cpu"
 672     supported_cpu="yes"
 673   ;;
 674   i386|i486|i586|i686|i86pc|BePC)
 675     cpu="i386"
 676     supported_cpu="yes"
 677   ;;
 678   x86_64|amd64)
 679     cpu="x86_64"
 680     supported_cpu="yes"
 681   ;;
 682   armv*b|armv*l|arm)
 683     cpu="arm"
 684     supported_cpu="yes"
 685   ;;
 686   aarch64)
 687     cpu="aarch64"
 688     supported_cpu="yes"
 689   ;;
 690   mips*)
 691     cpu="mips"
 692     supported_cpu="yes"
 693   ;;
 694   sparc|sun4[cdmuv])
 695     cpu="sparc"
 696     supported_cpu="yes"
 697   ;;
 698   *)
 699     # This will result in either an error or falling back to TCI later
 700     ARCH=unknown
 701   ;;
 702 esac
 703 if test -z "$ARCH"; then
 704   ARCH="$cpu"
 705 fi
 706
 707 # OS specific
 708
 709 # host *BSD for user mode
 710 HOST_VARIANT_DIR=""
 711
 712 case $targetos in
 713 MINGW32*)
 714   mingw32="yes"
 715   hax="yes"
 716   audio_possible_drivers="dsound sdl"
 717   if check_include dsound.h; then
 718     audio_drv_list="dsound"
 719   else
 720     audio_drv_list=""
 721   fi
 722   supported_os="yes"
 723 ;;
 724 GNU/kFreeBSD)
 725   bsd="yes"
 726   audio_drv_list="oss"
 727   audio_possible_drivers="oss sdl pa"
 728 ;;
 729 FreeBSD)
 730   bsd="yes"
 731   make="${MAKE-gmake}"
 732   audio_drv_list="oss"
 733   audio_possible_drivers="oss sdl pa"
 734   # needed for kinfo_getvmmap(3) in libutil.h
 735   LIBS="-lutil $LIBS"
 736   # needed for kinfo_getproc
 737   libs_qga="-lutil $libs_qga"
 738   netmap=""  # enable netmap autodetect
 739   HOST_VARIANT_DIR="freebsd"
 740   supported_os="yes"
 741 ;;
 742 DragonFly)
 743   bsd="yes"
 744   make="${MAKE-gmake}"
 745   audio_drv_list="oss"
 746   audio_possible_drivers="oss sdl pa"
 747   HOST_VARIANT_DIR="dragonfly"
 748 ;;
 749 NetBSD)
 750   bsd="yes"
 751   make="${MAKE-gmake}"
 752   audio_drv_list="oss"
 753   audio_possible_drivers="oss sdl"
 754   oss_lib="-lossaudio"
 755   HOST_VARIANT_DIR="netbsd"
 756   supported_os="yes"
 757 ;;
 758 OpenBSD)
 759   bsd="yes"
 760   make="${MAKE-gmake}"
 761   audio_drv_list="sdl"
 762   audio_possible_drivers="sdl"
 763   HOST_VARIANT_DIR="openbsd"
 764   supported_os="yes"
 765 ;;
 766 Darwin)
 767   bsd="yes"
 768   darwin="yes"
 769   hax="yes"
 770   hvf="yes"
 771   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 772   if [ "$cpu" = "x86_64" ] ; then
 773     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 774     LDFLAGS="-arch x86_64 $LDFLAGS"
 775   fi
 776   cocoa="yes"
 777   audio_drv_list="coreaudio"
 778   audio_possible_drivers="coreaudio sdl"
 779   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 780   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 781   # Disable attempts to use ObjectiveC features in os/object.h since they
 782   # won't work when we're compiling with gcc as a C compiler.
 783   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 784   HOST_VARIANT_DIR="darwin"
 785   supported_os="yes"
 786 ;;
 787 SunOS)
 788   solaris="yes"
 789   make="${MAKE-gmake}"
 790   install="${INSTALL-ginstall}"
 791   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 792   if test -f /usr/include/sys/soundcard.h ; then
 793     audio_drv_list="oss"
 794   fi
 795   audio_possible_drivers="oss sdl"
 796 # needed for CMSG_ macros in sys/socket.h
 797   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 798 # needed for TIOCWIN* defines in termios.h
 799   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 800   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 801   solarisnetlibs="-lsocket -lnsl -lresolv"
 802   LIBS="$solarisnetlibs $LIBS"
 803   libs_qga="$solarisnetlibs $libs_qga"
 804 ;;
 805 Haiku)
 806   haiku="yes"
 807   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 808   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 809 ;;
 810 Linux)
 811   audio_drv_list="oss"
 812   audio_possible_drivers="oss alsa sdl pa"
 813   linux="yes"
 814   linux_user="yes"
 815   kvm="yes"
 816   vhost_net="yes"
 817   vhost_crypto="yes"
 818   vhost_scsi="yes"
 819   vhost_vsock="yes"
 820   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 821   supported_os="yes"
 822 ;;
 823 esac
 824
 825 if [ "$bsd" = "yes" ] ; then
 826   if [ "$darwin" != "yes" ] ; then
 827     bsd_user="yes"
 828   fi
 829 fi
 830
 831 : ${make=${MAKE-make}}
 832 : ${install=${INSTALL-install}}
 833 : ${python=${PYTHON-python}}
 834 : ${smbd=${SMBD-/usr/sbin/smbd}}
 835
 836 # Default objcc to clang if available, otherwise use CC
 837 if has clang; then
 838   objcc=clang
 839 else
 840   objcc="$cc"
 841 fi
 842
 843 if test "$mingw32" = "yes" ; then
 844   EXESUF=".exe"
 845   DSOSUF=".dll"
 846   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 847   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 848   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 849   # MinGW needs -mthreads for TLS and macro _MT.
 850   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 851   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 852   write_c_skeleton;
 853   if compile_prog "" "-liberty" ; then
 854     LIBS="-liberty $LIBS"
 855   fi
 856   prefix="c:/Program Files/QEMU"
 857   mandir="\${prefix}"
 858   datadir="\${prefix}"
 859   qemu_docdir="\${prefix}"
 860   bindir="\${prefix}"
 861   sysconfdir="\${prefix}"
 862   local_statedir=
 863   confsuffix=""
 864   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 865 fi
 866
 867 werror=""
 868
 869 for opt do
 870   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 871   case "$opt" in
 872   --help|-h) show_help=yes
 873   ;;
 874   --version|-V) exec cat $source_path/VERSION
 875   ;;
 876   --prefix=*) prefix="$optarg"
 877   ;;
 878   --interp-prefix=*) interp_prefix="$optarg"
 879   ;;
 880   --source-path=*)
 881   ;;
 882   --cross-prefix=*)
 883   ;;
 884   --cc=*)
 885   ;;
 886   --host-cc=*) host_cc="$optarg"
 887   ;;
 888   --cxx=*)
 889   ;;
 890   --iasl=*) iasl="$optarg"
 891   ;;
 892   --objcc=*) objcc="$optarg"
 893   ;;
 894   --make=*) make="$optarg"
 895   ;;
 896   --install=*) install="$optarg"
 897   ;;
 898   --python=*) python="$optarg"
 899   ;;
 900   --gcov=*) gcov_tool="$optarg"
 901   ;;
 902   --smbd=*) smbd="$optarg"
 903   ;;
 904   --extra-cflags=*)
 905   ;;
 906   --extra-cxxflags=*)
 907   ;;
 908   --extra-ldflags=*)
 909   ;;
 910   --enable-debug-info)
 911   ;;
 912   --disable-debug-info)
 913   ;;
 914   --enable-modules)
 915       modules="yes"
 916   ;;
 917   --disable-modules)
 918       modules="no"
 919   ;;
 920   --cpu=*)
 921   ;;
 922   --target-list=*) target_list="$optarg"
 923   ;;
 924   --enable-trace-backends=*) trace_backends="$optarg"
 925   ;;
 926   # XXX: backwards compatibility
 927   --enable-trace-backend=*) trace_backends="$optarg"
 928   ;;
 929   --with-trace-file=*) trace_file="$optarg"
 930   ;;
 931   --enable-gprof) gprof="yes"
 932   ;;
 933   --enable-gcov) gcov="yes"
 934   ;;
 935   --static)
 936     static="yes"
 937     LDFLAGS="-static $LDFLAGS"
 938     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 939   ;;
 940   --mandir=*) mandir="$optarg"
 941   ;;
 942   --bindir=*) bindir="$optarg"
 943   ;;
 944   --libdir=*) libdir="$optarg"
 945   ;;
 946   --libexecdir=*) libexecdir="$optarg"
 947   ;;
 948   --includedir=*) includedir="$optarg"
 949   ;;
 950   --datadir=*) datadir="$optarg"
 951   ;;
 952   --with-confsuffix=*) confsuffix="$optarg"
 953   ;;
 954   --docdir=*) qemu_docdir="$optarg"
 955   ;;
 956   --sysconfdir=*) sysconfdir="$optarg"
 957   ;;
 958   --localstatedir=*) local_statedir="$optarg"
 959   ;;
 960   --firmwarepath=*) firmwarepath="$optarg"
 961   ;;
 962   --sbindir=*|--sharedstatedir=*|\
 963   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 964   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 965     # These switches are silently ignored, for compatibility with
 966     # autoconf-generated configure scripts. This allows QEMU's
 967     # configure to be used by RPM and similar macros that set
 968     # lots of directory switches by default.
 969   ;;
 970   --disable-sdl) sdl="no"
 971   ;;
 972   --enable-sdl) sdl="yes"
 973   ;;
 974   --with-sdlabi=*) sdlabi="$optarg"
 975   ;;
 976   --disable-qom-cast-debug) qom_cast_debug="no"
 977   ;;
 978   --enable-qom-cast-debug) qom_cast_debug="yes"
 979   ;;
 980   --disable-virtfs) virtfs="no"
 981   ;;
 982   --enable-virtfs) virtfs="yes"
 983   ;;
 984   --disable-mpath) mpath="no"
 985   ;;
 986   --enable-mpath) mpath="yes"
 987   ;;
 988   --disable-vnc) vnc="no"
 989   ;;
 990   --enable-vnc) vnc="yes"
 991   ;;
 992   --oss-lib=*) oss_lib="$optarg"
 993   ;;
 994   --audio-drv-list=*) audio_drv_list="$optarg"
 995   ;;
 996   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 997   ;;
 998   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 999   ;;
1000   --enable-debug-tcg) debug_tcg="yes"
1001   ;;
1002   --disable-debug-tcg) debug_tcg="no"
1003   ;;
1004   --enable-debug)
1005       # Enable debugging options that aren't excessively noisy
1006       debug_tcg="yes"
1007       debug="yes"
1008       strip_opt="no"
1009       fortify_source="no"
1010   ;;
1011   --enable-sanitizers) sanitizers="yes"
1012   ;;
1013   --disable-sanitizers) sanitizers="no"
1014   ;;
1015   --enable-sparse) sparse="yes"
1016   ;;
1017   --disable-sparse) sparse="no"
1018   ;;
1019   --disable-strip) strip_opt="no"
1020   ;;
1021   --disable-vnc-sasl) vnc_sasl="no"
1022   ;;
1023   --enable-vnc-sasl) vnc_sasl="yes"
1024   ;;
1025   --disable-vnc-jpeg) vnc_jpeg="no"
1026   ;;
1027   --enable-vnc-jpeg) vnc_jpeg="yes"
1028   ;;
1029   --disable-vnc-png) vnc_png="no"
1030   ;;
1031   --enable-vnc-png) vnc_png="yes"
1032   ;;
1033   --disable-slirp) slirp="no"
1034   ;;
1035   --disable-vde) vde="no"
1036   ;;
1037   --enable-vde) vde="yes"
1038   ;;
1039   --disable-netmap) netmap="no"
1040   ;;
1041   --enable-netmap) netmap="yes"
1042   ;;
1043   --disable-xen) xen="no"
1044   ;;
1045   --enable-xen) xen="yes"
1046   ;;
1047   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1048   ;;
1049   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1050   ;;
1051   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
1052   ;;
1053   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1054   ;;
1055   --disable-brlapi) brlapi="no"
1056   ;;
1057   --enable-brlapi) brlapi="yes"
1058   ;;
1059   --disable-bluez) bluez="no"
1060   ;;
1061   --enable-bluez) bluez="yes"
1062   ;;
1063   --disable-kvm) kvm="no"
1064   ;;
1065   --enable-kvm) kvm="yes"
1066   ;;
1067   --disable-hax) hax="no"
1068   ;;
1069   --enable-hax) hax="yes"
1070   ;;
1071   --disable-hvf) hvf="no"
1072   ;;
1073   --enable-hvf) hvf="yes"
1074   ;;
1075   --disable-whpx) whpx="no"
1076   ;;
1077   --enable-whpx) whpx="yes"
1078   ;;
1079   --disable-tcg-interpreter) tcg_interpreter="no"
1080   ;;
1081   --enable-tcg-interpreter) tcg_interpreter="yes"
1082   ;;
1083   --disable-cap-ng)  cap_ng="no"
1084   ;;
1085   --enable-cap-ng) cap_ng="yes"
1086   ;;
1087   --disable-tcg) tcg="no"
1088   ;;
1089   --enable-tcg) tcg="yes"
1090   ;;
1091   --disable-malloc-trim) malloc_trim="no"
1092   ;;
1093   --enable-malloc-trim) malloc_trim="yes"
1094   ;;
1095   --disable-spice) spice="no"
1096   ;;
1097   --enable-spice) spice="yes"
1098   ;;
1099   --disable-libiscsi) libiscsi="no"
1100   ;;
1101   --enable-libiscsi) libiscsi="yes"
1102   ;;
1103   --disable-libnfs) libnfs="no"
1104   ;;
1105   --enable-libnfs) libnfs="yes"
1106   ;;
1107   --enable-profiler) profiler="yes"
1108   ;;
1109   --disable-cocoa) cocoa="no"
1110   ;;
1111   --enable-cocoa)
1112       cocoa="yes" ;
1113       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1114   ;;
1115   --disable-system) softmmu="no"
1116   ;;
1117   --enable-system) softmmu="yes"
1118   ;;
1119   --disable-user)
1120       linux_user="no" ;
1121       bsd_user="no" ;
1122   ;;
1123   --enable-user) ;;
1124   --disable-linux-user) linux_user="no"
1125   ;;
1126   --enable-linux-user) linux_user="yes"
1127   ;;
1128   --disable-bsd-user) bsd_user="no"
1129   ;;
1130   --enable-bsd-user) bsd_user="yes"
1131   ;;
1132   --enable-pie) pie="yes"
1133   ;;
1134   --disable-pie) pie="no"
1135   ;;
1136   --enable-werror) werror="yes"
1137   ;;
1138   --disable-werror) werror="no"
1139   ;;
1140   --enable-stack-protector) stack_protector="yes"
1141   ;;
1142   --disable-stack-protector) stack_protector="no"
1143   ;;
1144   --disable-curses) curses="no"
1145   ;;
1146   --enable-curses) curses="yes"
1147   ;;
1148   --disable-curl) curl="no"
1149   ;;
1150   --enable-curl) curl="yes"
1151   ;;
1152   --disable-fdt) fdt="no"
1153   ;;
1154   --enable-fdt) fdt="yes"
1155   ;;
1156   --disable-linux-aio) linux_aio="no"
1157   ;;
1158   --enable-linux-aio) linux_aio="yes"
1159   ;;
1160   --disable-attr) attr="no"
1161   ;;
1162   --enable-attr) attr="yes"
1163   ;;
1164   --disable-blobs) blobs="no"
1165   ;;
1166   --with-pkgversion=*) pkgversion=" ($optarg)"
1167   ;;
1168   --with-coroutine=*) coroutine="$optarg"
1169   ;;
1170   --disable-coroutine-pool) coroutine_pool="no"
1171   ;;
1172   --enable-coroutine-pool) coroutine_pool="yes"
1173   ;;
1174   --enable-debug-stack-usage) debug_stack_usage="yes"
1175   ;;
1176   --enable-crypto-afalg) crypto_afalg="yes"
1177   ;;
1178   --disable-crypto-afalg) crypto_afalg="no"
1179   ;;
1180   --disable-docs) docs="no"
1181   ;;
1182   --enable-docs) docs="yes"
1183   ;;
1184   --disable-vhost-net) vhost_net="no"
1185   ;;
1186   --enable-vhost-net) vhost_net="yes"
1187   ;;
1188   --disable-vhost-crypto) vhost_crypto="no"
1189   ;;
1190   --enable-vhost-crypto)
1191       vhost_crypto="yes"
1192       if test "$mingw32" = "yes"; then
1193           error_exit "vhost-crypto isn't available on win32"
1194       fi
1195   ;;
1196   --disable-vhost-scsi) vhost_scsi="no"
1197   ;;
1198   --enable-vhost-scsi) vhost_scsi="yes"
1199   ;;
1200   --disable-vhost-vsock) vhost_vsock="no"
1201   ;;
1202   --enable-vhost-vsock) vhost_vsock="yes"
1203   ;;
1204   --disable-opengl) opengl="no"
1205   ;;
1206   --enable-opengl) opengl="yes"
1207   ;;
1208   --disable-rbd) rbd="no"
1209   ;;
1210   --enable-rbd) rbd="yes"
1211   ;;
1212   --disable-xfsctl) xfs="no"
1213   ;;
1214   --enable-xfsctl) xfs="yes"
1215   ;;
1216   --disable-smartcard) smartcard="no"
1217   ;;
1218   --enable-smartcard) smartcard="yes"
1219   ;;
1220   --disable-libusb) libusb="no"
1221   ;;
1222   --enable-libusb) libusb="yes"
1223   ;;
1224   --disable-usb-redir) usb_redir="no"
1225   ;;
1226   --enable-usb-redir) usb_redir="yes"
1227   ;;
1228   --disable-zlib-test) zlib="no"
1229   ;;
1230   --disable-lzo) lzo="no"
1231   ;;
1232   --enable-lzo) lzo="yes"
1233   ;;
1234   --disable-snappy) snappy="no"
1235   ;;
1236   --enable-snappy) snappy="yes"
1237   ;;
1238   --disable-bzip2) bzip2="no"
1239   ;;
1240   --enable-bzip2) bzip2="yes"
1241   ;;
1242   --enable-guest-agent) guest_agent="yes"
1243   ;;
1244   --disable-guest-agent) guest_agent="no"
1245   ;;
1246   --enable-guest-agent-msi) guest_agent_msi="yes"
1247   ;;
1248   --disable-guest-agent-msi) guest_agent_msi="no"
1249   ;;
1250   --with-vss-sdk) vss_win32_sdk=""
1251   ;;
1252   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1253   ;;
1254   --without-vss-sdk) vss_win32_sdk="no"
1255   ;;
1256   --with-win-sdk) win_sdk=""
1257   ;;
1258   --with-win-sdk=*) win_sdk="$optarg"
1259   ;;
1260   --without-win-sdk) win_sdk="no"
1261   ;;
1262   --enable-tools) want_tools="yes"
1263   ;;
1264   --disable-tools) want_tools="no"
1265   ;;
1266   --enable-seccomp) seccomp="yes"
1267   ;;
1268   --disable-seccomp) seccomp="no"
1269   ;;
1270   --disable-glusterfs) glusterfs="no"
1271   ;;
1272   --enable-glusterfs) glusterfs="yes"
1273   ;;
1274   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1275       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1276   ;;
1277   --enable-vhdx|--disable-vhdx)
1278       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1279   ;;
1280   --enable-uuid|--disable-uuid)
1281       echo "$0: $opt is obsolete, UUID support is always built" >&2
1282   ;;
1283   --disable-gtk) gtk="no"
1284   ;;
1285   --enable-gtk) gtk="yes"
1286   ;;
1287   --tls-priority=*) tls_priority="$optarg"
1288   ;;
1289   --disable-gnutls) gnutls="no"
1290   ;;
1291   --enable-gnutls) gnutls="yes"
1292   ;;
1293   --disable-nettle) nettle="no"
1294   ;;
1295   --enable-nettle) nettle="yes"
1296   ;;
1297   --disable-gcrypt) gcrypt="no"
1298   ;;
1299   --enable-gcrypt) gcrypt="yes"
1300   ;;
1301   --enable-rdma) rdma="yes"
1302   ;;
1303   --disable-rdma) rdma="no"
1304   ;;
1305   --with-gtkabi=*) gtkabi="$optarg"
1306   ;;
1307   --disable-vte) vte="no"
1308   ;;
1309   --enable-vte) vte="yes"
1310   ;;
1311   --disable-virglrenderer) virglrenderer="no"
1312   ;;
1313   --enable-virglrenderer) virglrenderer="yes"
1314   ;;
1315   --disable-tpm) tpm="no"
1316   ;;
1317   --enable-tpm) tpm="yes"
1318   ;;
1319   --disable-libssh2) libssh2="no"
1320   ;;
1321   --enable-libssh2) libssh2="yes"
1322   ;;
1323   --disable-live-block-migration) live_block_migration="no"
1324   ;;
1325   --enable-live-block-migration) live_block_migration="yes"
1326   ;;
1327   --disable-numa) numa="no"
1328   ;;
1329   --enable-numa) numa="yes"
1330   ;;
1331   --disable-libxml2) libxml2="no"
1332   ;;
1333   --enable-libxml2) libxml2="yes"
1334   ;;
1335   --disable-tcmalloc) tcmalloc="no"
1336   ;;
1337   --enable-tcmalloc) tcmalloc="yes"
1338   ;;
1339   --disable-jemalloc) jemalloc="no"
1340   ;;
1341   --enable-jemalloc) jemalloc="yes"
1342   ;;
1343   --disable-replication) replication="no"
1344   ;;
1345   --enable-replication) replication="yes"
1346   ;;
1347   --disable-vxhs) vxhs="no"
1348   ;;
1349   --enable-vxhs) vxhs="yes"
1350   ;;
1351   --disable-vhost-user) vhost_user="no"
1352   ;;
1353   --enable-vhost-user)
1354       vhost_user="yes"
1355       if test "$mingw32" = "yes"; then
1356           error_exit "vhost-user isn't available on win32"
1357       fi
1358   ;;
1359   --disable-capstone) capstone="no"
1360   ;;
1361   --enable-capstone) capstone="yes"
1362   ;;
1363   --enable-capstone=git) capstone="git"
1364   ;;
1365   --enable-capstone=system) capstone="system"
1366   ;;
1367   --with-git=*) git="$optarg"
1368   ;;
1369   --enable-git-update) git_update=yes
1370   ;;
1371   --disable-git-update) git_update=no
1372   ;;
1373   *)
1374       echo "ERROR: unknown option $opt"
1375       echo "Try '$0 --help' for more information"
1376       exit 1
1377   ;;
1378   esac
1379 done
1380
1381 if test "$vhost_user" = ""; then
1382     if test "$mingw32" = "yes"; then
1383         vhost_user="no"
1384     else
1385         vhost_user="yes"
1386     fi
1387 fi
1388
1389 case "$cpu" in
1390     ppc)
1391            CPU_CFLAGS="-m32"
1392            LDFLAGS="-m32 $LDFLAGS"
1393            ;;
1394     ppc64)
1395            CPU_CFLAGS="-m64"
1396            LDFLAGS="-m64 $LDFLAGS"
1397            ;;
1398     sparc)
1399            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1400            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1401            ;;
1402     sparc64)
1403            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1404            LDFLAGS="-m64 $LDFLAGS"
1405            ;;
1406     s390)
1407            CPU_CFLAGS="-m31"
1408            LDFLAGS="-m31 $LDFLAGS"
1409            ;;
1410     s390x)
1411            CPU_CFLAGS="-m64"
1412            LDFLAGS="-m64 $LDFLAGS"
1413            ;;
1414     i386)
1415            CPU_CFLAGS="-m32"
1416            LDFLAGS="-m32 $LDFLAGS"
1417            cc_i386='$(CC) -m32'
1418            ;;
1419     x86_64)
1420            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1421            # If we truly care, we should simply detect this case at
1422            # runtime and generate the fallback to serial emulation.
1423            CPU_CFLAGS="-m64 -mcx16"
1424            LDFLAGS="-m64 $LDFLAGS"
1425            cc_i386='$(CC) -m32'
1426            ;;
1427     x32)
1428            CPU_CFLAGS="-mx32"
1429            LDFLAGS="-mx32 $LDFLAGS"
1430            cc_i386='$(CC) -m32'
1431            ;;
1432     # No special flags required for other host CPUs
1433 esac
1434
1435 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1436
1437 # For user-mode emulation the host arch has to be one we explicitly
1438 # support, even if we're using TCI.
1439 if [ "$ARCH" = "unknown" ]; then
1440   bsd_user="no"
1441   linux_user="no"
1442 fi
1443
1444 default_target_list=""
1445
1446 mak_wilds=""
1447
1448 if [ "$softmmu" = "yes" ]; then
1449     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1450 fi
1451 if [ "$linux_user" = "yes" ]; then
1452     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1453 fi
1454 if [ "$bsd_user" = "yes" ]; then
1455     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1456 fi
1457
1458 for config in $mak_wilds; do
1459     default_target_list="${default_target_list} $(basename "$config" .mak)"
1460 done
1461
1462 # Enumerate public trace backends for --help output
1463 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1464
1465 if test x"$show_help" = x"yes" ; then
1466 cat << EOF
1467
1468 Usage: configure [options]
1469 Options: [defaults in brackets after descriptions]
1470
1471 Standard options:
1472   --help                   print this message
1473   --prefix=PREFIX          install in PREFIX [$prefix]
1474   --interp-prefix=PREFIX   where to find shared libraries, etc.
1475                            use %M for cpu name [$interp_prefix]
1476   --target-list=LIST       set target list (default: build everything)
1477 $(echo Available targets: $default_target_list | \
1478   fold -s -w 53 | sed -e 's/^/                           /')
1479
1480 Advanced options (experts only):
1481   --source-path=PATH       path of source code [$source_path]
1482   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1483   --cc=CC                  use C compiler CC [$cc]
1484   --iasl=IASL              use ACPI compiler IASL [$iasl]
1485   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1486                            build time
1487   --cxx=CXX                use C++ compiler CXX [$cxx]
1488   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1489   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1490   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1491   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1492   --make=MAKE              use specified make [$make]
1493   --install=INSTALL        use specified install [$install]
1494   --python=PYTHON          use specified python [$python]
1495   --smbd=SMBD              use specified smbd [$smbd]
1496   --static                 enable static build [$static]
1497   --mandir=PATH            install man pages in PATH
1498   --datadir=PATH           install firmware in PATH$confsuffix
1499   --docdir=PATH            install documentation in PATH$confsuffix
1500   --bindir=PATH            install binaries in PATH
1501   --libdir=PATH            install libraries in PATH
1502   --sysconfdir=PATH        install config in PATH$confsuffix
1503   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1504   --firmwarepath=PATH      search PATH for firmware files
1505   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1506   --enable-debug           enable common debug build options
1507   --enable-sanitizers      enable default sanitizers
1508   --disable-strip          disable stripping binaries
1509   --disable-werror         disable compilation abort on warning
1510   --disable-stack-protector disable compiler-provided stack protection
1511   --audio-drv-list=LIST    set audio drivers list:
1512                            Available drivers: $audio_possible_drivers
1513   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1514   --block-drv-rw-whitelist=L
1515                            set block driver read-write whitelist
1516                            (affects only QEMU, not qemu-img)
1517   --block-drv-ro-whitelist=L
1518                            set block driver read-only whitelist
1519                            (affects only QEMU, not qemu-img)
1520   --enable-trace-backends=B Set trace backend
1521                            Available backends: $trace_backend_list
1522   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1523                            Default:trace-<pid>
1524   --disable-slirp          disable SLIRP userspace network connectivity
1525   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1526   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1527   --oss-lib                path to OSS library
1528   --cpu=CPU                Build for host CPU [$cpu]
1529   --with-coroutine=BACKEND coroutine backend. Supported options:
1530                            ucontext, sigaltstack, windows
1531   --enable-gcov            enable test coverage analysis with gcov
1532   --gcov=GCOV              use specified gcov [$gcov_tool]
1533   --disable-blobs          disable installing provided firmware blobs
1534   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1535   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1536   --tls-priority           default TLS protocol/cipher priority string
1537   --enable-gprof           QEMU profiling with gprof
1538   --enable-profiler        profiler support
1539   --enable-xen-pv-domain-build
1540                            xen pv domain builder
1541   --enable-debug-stack-usage
1542                            track the maximum stack usage of stacks created by qemu_alloc_stack
1543
1544 Optional features, enabled with --enable-FEATURE and
1545 disabled with --disable-FEATURE, default is enabled if available:
1546
1547   system          all system emulation targets
1548   user            supported user emulation targets
1549   linux-user      all linux usermode emulation targets
1550   bsd-user        all BSD usermode emulation targets
1551   docs            build documentation
1552   guest-agent     build the QEMU Guest Agent
1553   guest-agent-msi build guest agent Windows MSI installation package
1554   pie             Position Independent Executables
1555   modules         modules support
1556   debug-tcg       TCG debugging (default is disabled)
1557   debug-info      debugging information
1558   sparse          sparse checker
1559
1560   gnutls          GNUTLS cryptography support
1561   nettle          nettle cryptography support
1562   gcrypt          libgcrypt cryptography support
1563   sdl             SDL UI
1564   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1565   gtk             gtk UI
1566   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1567   vte             vte support for the gtk UI
1568   curses          curses UI
1569   vnc             VNC UI support
1570   vnc-sasl        SASL encryption for VNC server
1571   vnc-jpeg        JPEG lossy compression for VNC server
1572   vnc-png         PNG compression for VNC server
1573   cocoa           Cocoa UI (Mac OS X only)
1574   virtfs          VirtFS
1575   mpath           Multipath persistent reservation passthrough
1576   xen             xen backend driver support
1577   xen-pci-passthrough
1578   brlapi          BrlAPI (Braile)
1579   curl            curl connectivity
1580   fdt             fdt device tree
1581   bluez           bluez stack connectivity
1582   kvm             KVM acceleration support
1583   hax             HAX acceleration support
1584   hvf             Hypervisor.framework acceleration support
1585   whpx            Windows Hypervisor Platform acceleration support
1586   rdma            Enable RDMA-based migration and PVRDMA support
1587   vde             support for vde network
1588   netmap          support for netmap network
1589   linux-aio       Linux AIO support
1590   cap-ng          libcap-ng support
1591   attr            attr and xattr support
1592   vhost-net       vhost-net acceleration support
1593   vhost-crypto    vhost-crypto acceleration support
1594   spice           spice
1595   rbd             rados block device (rbd)
1596   libiscsi        iscsi support
1597   libnfs          nfs support
1598   smartcard       smartcard support (libcacard)
1599   libusb          libusb (for usb passthrough)
1600   live-block-migration   Block migration in the main migration stream
1601   usb-redir       usb network redirection support
1602   lzo             support of lzo compression library
1603   snappy          support of snappy compression library
1604   bzip2           support of bzip2 compression library
1605                   (for reading bzip2-compressed dmg images)
1606   seccomp         seccomp support
1607   coroutine-pool  coroutine freelist (better performance)
1608   glusterfs       GlusterFS backend
1609   tpm             TPM support
1610   libssh2         ssh block device support
1611   numa            libnuma support
1612   libxml2         for Parallels image format
1613   tcmalloc        tcmalloc support
1614   jemalloc        jemalloc support
1615   replication     replication support
1616   vhost-vsock     virtio sockets device support
1617   opengl          opengl support
1618   virglrenderer   virgl rendering support
1619   xfsctl          xfsctl support
1620   qom-cast-debug  cast debugging support
1621   tools           build qemu-io, qemu-nbd and qemu-image tools
1622   vxhs            Veritas HyperScale vDisk backend support
1623   crypto-afalg    Linux AF_ALG crypto backend driver
1624   vhost-user      vhost-user support
1625   capstone        capstone disassembler support
1626
1627 NOTE: The object files are built at the place where configure is launched
1628 EOF
1629 exit 0
1630 fi
1631
1632 if ! has $python; then
1633   error_exit "Python not found. Use --python=/path/to/python"
1634 fi
1635
1636 # Note that if the Python conditional here evaluates True we will exit
1637 # with status 1 which is a shell 'false' value.
1638 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6))'; then
1639   error_exit "Cannot use '$python', Python 2 >= 2.6 or Python 3 is required." \
1640       "Use --python=/path/to/python to specify a supported Python."
1641 fi
1642
1643 # Suppress writing compiled files
1644 python="$python -B"
1645
1646 # Check that the C compiler works. Doing this here before testing
1647 # the host CPU ensures that we had a valid CC to autodetect the
1648 # $cpu var (and we should bail right here if that's not the case).
1649 # It also allows the help message to be printed without a CC.
1650 write_c_skeleton;
1651 if compile_object ; then
1652   : C compiler works ok
1653 else
1654     error_exit "\"$cc\" either does not exist or does not work"
1655 fi
1656 if ! compile_prog ; then
1657     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1658 fi
1659
1660 # Now we have handled --enable-tcg-interpreter and know we're not just
1661 # printing the help message, bail out if the host CPU isn't supported.
1662 if test "$ARCH" = "unknown"; then
1663     if test "$tcg_interpreter" = "yes" ; then
1664         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1665     else
1666         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1667     fi
1668 fi
1669
1670 # Consult white-list to determine whether to enable werror
1671 # by default.  Only enable by default for git builds
1672 if test -z "$werror" ; then
1673     if test -d "$source_path/.git" -a \
1674         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1675         werror="yes"
1676     else
1677         werror="no"
1678     fi
1679 fi
1680
1681 if test "$bogus_os" = "yes"; then
1682     # Now that we know that we're not printing the help and that
1683     # the compiler works (so the results of the check_defines we used
1684     # to identify the OS are reliable), if we didn't recognize the
1685     # host OS we should stop now.
1686     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1687 fi
1688
1689 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1690 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1691 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1692 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1693 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1694 gcc_flags="-Wno-string-plus-int $gcc_flags"
1695 gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
1696 # Note that we do not add -Werror to gcc_flags here, because that would
1697 # enable it for all configure tests. If a configure test failed due
1698 # to -Werror this would just silently disable some features,
1699 # so it's too error prone.
1700
1701 cc_has_warning_flag() {
1702     write_c_skeleton;
1703
1704     # Use the positive sense of the flag when testing for -Wno-wombat
1705     # support (gcc will happily accept the -Wno- form of unknown
1706     # warning options).
1707     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1708     compile_prog "-Werror $optflag" ""
1709 }
1710
1711 for flag in $gcc_flags; do
1712     if cc_has_warning_flag $flag ; then
1713         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1714     fi
1715 done
1716
1717 if test "$stack_protector" != "no"; then
1718   cat > $TMPC << EOF
1719 int main(int argc, char *argv[])
1720 {
1721     char arr[64], *p = arr, *c = argv[0];
1722     while (*c) {
1723         *p++ = *c++;
1724     }
1725     return 0;
1726 }
1727 EOF
1728   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1729   sp_on=0
1730   for flag in $gcc_flags; do
1731     # We need to check both a compile and a link, since some compiler
1732     # setups fail only on a .c->.o compile and some only at link time
1733     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1734        compile_prog "-Werror $flag" ""; then
1735       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1736       sp_on=1
1737       break
1738     fi
1739   done
1740   if test "$stack_protector" = yes; then
1741     if test $sp_on = 0; then
1742       error_exit "Stack protector not supported"
1743     fi
1744   fi
1745 fi
1746
1747 # Disable -Wmissing-braces on older compilers that warn even for
1748 # the "universal" C zero initializer {0}.
1749 cat > $TMPC << EOF
1750 struct {
1751   int a[2];
1752 } x = {0};
1753 EOF
1754 if compile_object "-Werror" "" ; then
1755   :
1756 else
1757   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1758 fi
1759
1760 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1761 # large functions that use global variables.  The bug is in all releases of
1762 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1763 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1764 cat > $TMPC << EOF
1765 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1766 int main(void) { return 0; }
1767 #else
1768 #error No bug in this compiler.
1769 #endif
1770 EOF
1771 if compile_prog "-Werror -fno-gcse" "" ; then
1772   TRANSLATE_OPT_CFLAGS=-fno-gcse
1773 fi
1774
1775 if test "$static" = "yes" ; then
1776   if test "$modules" = "yes" ; then
1777     error_exit "static and modules are mutually incompatible"
1778   fi
1779   if test "$pie" = "yes" ; then
1780     error_exit "static and pie are mutually incompatible"
1781   else
1782     pie="no"
1783   fi
1784 fi
1785
1786 # Unconditional check for compiler __thread support
1787   cat > $TMPC << EOF
1788 static __thread int tls_var;
1789 int main(void) { return tls_var; }
1790 EOF
1791
1792 if ! compile_prog "-Werror" "" ; then
1793     error_exit "Your compiler does not support the __thread specifier for " \
1794         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1795 fi
1796
1797 if test "$pie" = ""; then
1798   case "$cpu-$targetos" in
1799     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1800       ;;
1801     *)
1802       pie="no"
1803       ;;
1804   esac
1805 fi
1806
1807 if test "$pie" != "no" ; then
1808   cat > $TMPC << EOF
1809
1810 #ifdef __linux__
1811 #  define THREAD __thread
1812 #else
1813 #  define THREAD
1814 #endif
1815
1816 static THREAD int tls_var;
1817
1818 int main(void) { return tls_var; }
1819
1820 EOF
1821   if compile_prog "-fPIE -DPIE" "-pie"; then
1822     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1823     LDFLAGS="-pie $LDFLAGS"
1824     pie="yes"
1825     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1826       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1827     fi
1828   else
1829     if test "$pie" = "yes"; then
1830       error_exit "PIE not available due to missing toolchain support"
1831     else
1832       echo "Disabling PIE due to missing toolchain support"
1833       pie="no"
1834     fi
1835   fi
1836
1837   if compile_prog "-Werror -fno-pie" "-nopie"; then
1838     CFLAGS_NOPIE="-fno-pie"
1839     LDFLAGS_NOPIE="-nopie"
1840   fi
1841 fi
1842
1843 ##########################################
1844 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1845 # use i686 as default anyway, but for those that don't, an explicit
1846 # specification is necessary
1847
1848 if test "$cpu" = "i386"; then
1849   cat > $TMPC << EOF
1850 static int sfaa(int *ptr)
1851 {
1852   return __sync_fetch_and_and(ptr, 0);
1853 }
1854
1855 int main(void)
1856 {
1857   int val = 42;
1858   val = __sync_val_compare_and_swap(&val, 0, 1);
1859   sfaa(&val);
1860   return val;
1861 }
1862 EOF
1863   if ! compile_prog "" "" ; then
1864     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1865   fi
1866 fi
1867
1868 #########################################
1869 # Solaris specific configure tool chain decisions
1870
1871 if test "$solaris" = "yes" ; then
1872   if has $install; then
1873     :
1874   else
1875     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1876         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1877         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1878   fi
1879   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1880     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1881         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1882         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1883   fi
1884   if has ar; then
1885     :
1886   else
1887     if test -f /usr/ccs/bin/ar ; then
1888       error_exit "No path includes ar" \
1889           "Add /usr/ccs/bin to your path and rerun configure"
1890     fi
1891     error_exit "No path includes ar"
1892   fi
1893 fi
1894
1895 if test -z "${target_list+xxx}" ; then
1896     for target in $default_target_list; do
1897         supported_target $target 2>/dev/null && \
1898             target_list="$target_list $target"
1899     done
1900     target_list="${target_list# }"
1901 else
1902     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1903     for target in $target_list; do
1904         # Check that we recognised the target name; this allows a more
1905         # friendly error message than if we let it fall through.
1906         case " $default_target_list " in
1907             *" $target "*)
1908                 ;;
1909             *)
1910                 error_exit "Unknown target name '$target'"
1911                 ;;
1912         esac
1913         supported_target $target || exit 1
1914     done
1915 fi
1916
1917 # see if system emulation was really requested
1918 case " $target_list " in
1919   *"-softmmu "*) softmmu=yes
1920   ;;
1921   *) softmmu=no
1922   ;;
1923 esac
1924
1925 feature_not_found() {
1926   feature=$1
1927   remedy=$2
1928
1929   error_exit "User requested feature $feature" \
1930       "configure was not able to find it." \
1931       "$remedy"
1932 }
1933
1934 # ---
1935 # big/little endian test
1936 cat > $TMPC << EOF
1937 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1938 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1939 extern int foo(short *, short *);
1940 int main(int argc, char *argv[]) {
1941     return foo(big_endian, little_endian);
1942 }
1943 EOF
1944
1945 if compile_object ; then
1946     if strings -a $TMPO | grep -q BiGeNdIaN ; then
1947         bigendian="yes"
1948     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
1949         bigendian="no"
1950     else
1951         echo big/little test failed
1952     fi
1953 else
1954     echo big/little test failed
1955 fi
1956
1957 ##########################################
1958 # cocoa implies not SDL or GTK
1959 # (the cocoa UI code currently assumes it is always the active UI
1960 # and doesn't interact well with other UI frontend code)
1961 if test "$cocoa" = "yes"; then
1962     if test "$sdl" = "yes"; then
1963         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1964     fi
1965     if test "$gtk" = "yes"; then
1966         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1967     fi
1968     gtk=no
1969     sdl=no
1970 fi
1971
1972 # Some versions of Mac OS X incorrectly define SIZE_MAX
1973 cat > $TMPC << EOF
1974 #include <stdint.h>
1975 #include <stdio.h>
1976 int main(int argc, char *argv[]) {
1977     return printf("%zu", SIZE_MAX);
1978 }
1979 EOF
1980 have_broken_size_max=no
1981 if ! compile_object -Werror ; then
1982     have_broken_size_max=yes
1983 fi
1984
1985 ##########################################
1986 # L2TPV3 probe
1987
1988 cat > $TMPC <<EOF
1989 #include <sys/socket.h>
1990 #include <linux/ip.h>
1991 int main(void) { return sizeof(struct mmsghdr); }
1992 EOF
1993 if compile_prog "" "" ; then
1994   l2tpv3=yes
1995 else
1996   l2tpv3=no
1997 fi
1998
1999 ##########################################
2000 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2001
2002 if test "$mingw32" = "yes"; then
2003     # Some versions of MinGW / Mingw-w64 lack localtime_r
2004     # and gmtime_r entirely.
2005     #
2006     # Some versions of Mingw-w64 define a macro for
2007     # localtime_r/gmtime_r.
2008     #
2009     # Some versions of Mingw-w64 will define functions
2010     # for localtime_r/gmtime_r, but only if you have
2011     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2012     # though, unistd.h and pthread.h both define
2013     # that for you.
2014     #
2015     # So this #undef localtime_r and #include <unistd.h>
2016     # are not in fact redundant.
2017 cat > $TMPC << EOF
2018 #include <unistd.h>
2019 #include <time.h>
2020 #undef localtime_r
2021 int main(void) { localtime_r(NULL, NULL); return 0; }
2022 EOF
2023     if compile_prog "" "" ; then
2024         localtime_r="yes"
2025     else
2026         localtime_r="no"
2027     fi
2028 fi
2029
2030 ##########################################
2031 # pkg-config probe
2032
2033 if ! has "$pkg_config_exe"; then
2034   error_exit "pkg-config binary '$pkg_config_exe' not found"
2035 fi
2036
2037 ##########################################
2038 # NPTL probe
2039
2040 if test "$linux_user" = "yes"; then
2041   cat > $TMPC <<EOF
2042 #include <sched.h>
2043 #include <linux/futex.h>
2044 int main(void) {
2045 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2046 #error bork
2047 #endif
2048   return 0;
2049 }
2050 EOF
2051   if ! compile_object ; then
2052     feature_not_found "nptl" "Install glibc and linux kernel headers."
2053   fi
2054 fi
2055
2056 #########################################
2057 # zlib check
2058
2059 if test "$zlib" != "no" ; then
2060     cat > $TMPC << EOF
2061 #include <zlib.h>
2062 int main(void) { zlibVersion(); return 0; }
2063 EOF
2064     if compile_prog "" "-lz" ; then
2065         :
2066     else
2067         error_exit "zlib check failed" \
2068             "Make sure to have the zlib libs and headers installed."
2069     fi
2070 fi
2071 LIBS="$LIBS -lz"
2072
2073 ##########################################
2074 # lzo check
2075
2076 if test "$lzo" != "no" ; then
2077     cat > $TMPC << EOF
2078 #include <lzo/lzo1x.h>
2079 int main(void) { lzo_version(); return 0; }
2080 EOF
2081     if compile_prog "" "-llzo2" ; then
2082         libs_softmmu="$libs_softmmu -llzo2"
2083         lzo="yes"
2084     else
2085         if test "$lzo" = "yes"; then
2086             feature_not_found "liblzo2" "Install liblzo2 devel"
2087         fi
2088         lzo="no"
2089     fi
2090 fi
2091
2092 ##########################################
2093 # snappy check
2094
2095 if test "$snappy" != "no" ; then
2096     cat > $TMPC << EOF
2097 #include <snappy-c.h>
2098 int main(void) { snappy_max_compressed_length(4096); return 0; }
2099 EOF
2100     if compile_prog "" "-lsnappy" ; then
2101         libs_softmmu="$libs_softmmu -lsnappy"
2102         snappy="yes"
2103     else
2104         if test "$snappy" = "yes"; then
2105             feature_not_found "libsnappy" "Install libsnappy devel"
2106         fi
2107         snappy="no"
2108     fi
2109 fi
2110
2111 ##########################################
2112 # bzip2 check
2113
2114 if test "$bzip2" != "no" ; then
2115     cat > $TMPC << EOF
2116 #include <bzlib.h>
2117 int main(void) { BZ2_bzlibVersion(); return 0; }
2118 EOF
2119     if compile_prog "" "-lbz2" ; then
2120         bzip2="yes"
2121     else
2122         if test "$bzip2" = "yes"; then
2123             feature_not_found "libbzip2" "Install libbzip2 devel"
2124         fi
2125         bzip2="no"
2126     fi
2127 fi
2128
2129 ##########################################
2130 # libseccomp check
2131
2132 if test "$seccomp" != "no" ; then
2133     case "$cpu" in
2134     i386|x86_64)
2135         libseccomp_minver="2.1.0"
2136         ;;
2137     mips)
2138         libseccomp_minver="2.2.0"
2139         ;;
2140     arm|aarch64)
2141         libseccomp_minver="2.2.3"
2142         ;;
2143     ppc|ppc64|s390x)
2144         libseccomp_minver="2.3.0"
2145         ;;
2146     *)
2147         libseccomp_minver=""
2148         ;;
2149     esac
2150
2151     if test "$libseccomp_minver" != "" &&
2152        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2153         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2154         seccomp_libs="$($pkg_config --libs libseccomp)"
2155         seccomp="yes"
2156     else
2157         if test "$seccomp" = "yes" ; then
2158             if test "$libseccomp_minver" != "" ; then
2159                 feature_not_found "libseccomp" \
2160                     "Install libseccomp devel >= $libseccomp_minver"
2161             else
2162                 feature_not_found "libseccomp" \
2163                     "libseccomp is not supported for host cpu $cpu"
2164             fi
2165         fi
2166         seccomp="no"
2167     fi
2168 fi
2169 ##########################################
2170 # xen probe
2171
2172 if test "$xen" != "no" ; then
2173   # Check whether Xen library path is specified via --extra-ldflags to avoid
2174   # overriding this setting with pkg-config output. If not, try pkg-config
2175   # to obtain all needed flags.
2176
2177   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2178      $pkg_config --exists xencontrol ; then
2179     xen_ctrl_version="$(printf '%d%02d%02d' \
2180       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2181     xen=yes
2182     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2183     xen_pc="$xen_pc xenevtchn xendevicemodel"
2184     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2185     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2186     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2187   else
2188
2189     xen_libs="-lxenstore -lxenctrl -lxenguest"
2190     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2191
2192     # First we test whether Xen headers and libraries are available.
2193     # If no, we are done and there is no Xen support.
2194     # If yes, more tests are run to detect the Xen version.
2195
2196     # Xen (any)
2197     cat > $TMPC <<EOF
2198 #include <xenctrl.h>
2199 int main(void) {
2200   return 0;
2201 }
2202 EOF
2203     if ! compile_prog "" "$xen_libs" ; then
2204       # Xen not found
2205       if test "$xen" = "yes" ; then
2206         feature_not_found "xen" "Install xen devel"
2207       fi
2208       xen=no
2209
2210     # Xen unstable
2211     elif
2212         cat > $TMPC <<EOF &&
2213 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2214 #include <xenforeignmemory.h>
2215 int main(void) {
2216   xenforeignmemory_handle *xfmem;
2217
2218   xfmem = xenforeignmemory_open(0, 0);
2219   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2220
2221   return 0;
2222 }
2223 EOF
2224         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2225       then
2226       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2227       xen_ctrl_version=41000
2228       xen=yes
2229     elif
2230         cat > $TMPC <<EOF &&
2231 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2232 #define __XEN_TOOLS__
2233 #include <xendevicemodel.h>
2234 int main(void) {
2235   xendevicemodel_handle *xd;
2236
2237   xd = xendevicemodel_open(0, 0);
2238   xendevicemodel_close(xd);
2239
2240   return 0;
2241 }
2242 EOF
2243         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2244       then
2245       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2246       xen_ctrl_version=40900
2247       xen=yes
2248     elif
2249         cat > $TMPC <<EOF &&
2250 /*
2251  * If we have stable libs the we don't want the libxc compat
2252  * layers, regardless of what CFLAGS we may have been given.
2253  *
2254  * Also, check if xengnttab_grant_copy_segment_t is defined and
2255  * grant copy operation is implemented.
2256  */
2257 #undef XC_WANT_COMPAT_EVTCHN_API
2258 #undef XC_WANT_COMPAT_GNTTAB_API
2259 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2260 #include <xenctrl.h>
2261 #include <xenstore.h>
2262 #include <xenevtchn.h>
2263 #include <xengnttab.h>
2264 #include <xenforeignmemory.h>
2265 #include <stdint.h>
2266 #include <xen/hvm/hvm_info_table.h>
2267 #if !defined(HVM_MAX_VCPUS)
2268 # error HVM_MAX_VCPUS not defined
2269 #endif
2270 int main(void) {
2271   xc_interface *xc = NULL;
2272   xenforeignmemory_handle *xfmem;
2273   xenevtchn_handle *xe;
2274   xengnttab_handle *xg;
2275   xen_domain_handle_t handle;
2276   xengnttab_grant_copy_segment_t* seg = NULL;
2277
2278   xs_daemon_open();
2279
2280   xc = xc_interface_open(0, 0, 0);
2281   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2282   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2283   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2284   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2285   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2286
2287   xfmem = xenforeignmemory_open(0, 0);
2288   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2289
2290   xe = xenevtchn_open(0, 0);
2291   xenevtchn_fd(xe);
2292
2293   xg = xengnttab_open(0, 0);
2294   xengnttab_grant_copy(xg, 0, seg);
2295
2296   return 0;
2297 }
2298 EOF
2299         compile_prog "" "$xen_libs $xen_stable_libs"
2300       then
2301       xen_ctrl_version=40800
2302       xen=yes
2303     elif
2304         cat > $TMPC <<EOF &&
2305 /*
2306  * If we have stable libs the we don't want the libxc compat
2307  * layers, regardless of what CFLAGS we may have been given.
2308  */
2309 #undef XC_WANT_COMPAT_EVTCHN_API
2310 #undef XC_WANT_COMPAT_GNTTAB_API
2311 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2312 #include <xenctrl.h>
2313 #include <xenstore.h>
2314 #include <xenevtchn.h>
2315 #include <xengnttab.h>
2316 #include <xenforeignmemory.h>
2317 #include <stdint.h>
2318 #include <xen/hvm/hvm_info_table.h>
2319 #if !defined(HVM_MAX_VCPUS)
2320 # error HVM_MAX_VCPUS not defined
2321 #endif
2322 int main(void) {
2323   xc_interface *xc = NULL;
2324   xenforeignmemory_handle *xfmem;
2325   xenevtchn_handle *xe;
2326   xengnttab_handle *xg;
2327   xen_domain_handle_t handle;
2328
2329   xs_daemon_open();
2330
2331   xc = xc_interface_open(0, 0, 0);
2332   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2333   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2334   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2335   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2336   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2337
2338   xfmem = xenforeignmemory_open(0, 0);
2339   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2340
2341   xe = xenevtchn_open(0, 0);
2342   xenevtchn_fd(xe);
2343
2344   xg = xengnttab_open(0, 0);
2345   xengnttab_map_grant_ref(xg, 0, 0, 0);
2346
2347   return 0;
2348 }
2349 EOF
2350         compile_prog "" "$xen_libs $xen_stable_libs"
2351       then
2352       xen_ctrl_version=40701
2353       xen=yes
2354     elif
2355         cat > $TMPC <<EOF &&
2356 #include <xenctrl.h>
2357 #include <stdint.h>
2358 int main(void) {
2359   xc_interface *xc = NULL;
2360   xen_domain_handle_t handle;
2361   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2362   return 0;
2363 }
2364 EOF
2365         compile_prog "" "$xen_libs"
2366       then
2367       xen_ctrl_version=40700
2368       xen=yes
2369
2370     # Xen 4.6
2371     elif
2372         cat > $TMPC <<EOF &&
2373 #include <xenctrl.h>
2374 #include <xenstore.h>
2375 #include <stdint.h>
2376 #include <xen/hvm/hvm_info_table.h>
2377 #if !defined(HVM_MAX_VCPUS)
2378 # error HVM_MAX_VCPUS not defined
2379 #endif
2380 int main(void) {
2381   xc_interface *xc;
2382   xs_daemon_open();
2383   xc = xc_interface_open(0, 0, 0);
2384   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2385   xc_gnttab_open(NULL, 0);
2386   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2387   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2388   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2389   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2390   return 0;
2391 }
2392 EOF
2393         compile_prog "" "$xen_libs"
2394       then
2395       xen_ctrl_version=40600
2396       xen=yes
2397
2398     # Xen 4.5
2399     elif
2400         cat > $TMPC <<EOF &&
2401 #include <xenctrl.h>
2402 #include <xenstore.h>
2403 #include <stdint.h>
2404 #include <xen/hvm/hvm_info_table.h>
2405 #if !defined(HVM_MAX_VCPUS)
2406 # error HVM_MAX_VCPUS not defined
2407 #endif
2408 int main(void) {
2409   xc_interface *xc;
2410   xs_daemon_open();
2411   xc = xc_interface_open(0, 0, 0);
2412   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2413   xc_gnttab_open(NULL, 0);
2414   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2415   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2416   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2417   return 0;
2418 }
2419 EOF
2420         compile_prog "" "$xen_libs"
2421       then
2422       xen_ctrl_version=40500
2423       xen=yes
2424
2425     elif
2426         cat > $TMPC <<EOF &&
2427 #include <xenctrl.h>
2428 #include <xenstore.h>
2429 #include <stdint.h>
2430 #include <xen/hvm/hvm_info_table.h>
2431 #if !defined(HVM_MAX_VCPUS)
2432 # error HVM_MAX_VCPUS not defined
2433 #endif
2434 int main(void) {
2435   xc_interface *xc;
2436   xs_daemon_open();
2437   xc = xc_interface_open(0, 0, 0);
2438   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2439   xc_gnttab_open(NULL, 0);
2440   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2441   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2442   return 0;
2443 }
2444 EOF
2445         compile_prog "" "$xen_libs"
2446       then
2447       xen_ctrl_version=40200
2448       xen=yes
2449
2450     else
2451       if test "$xen" = "yes" ; then
2452         feature_not_found "xen (unsupported version)" \
2453                           "Install a supported xen (xen 4.2 or newer)"
2454       fi
2455       xen=no
2456     fi
2457
2458     if test "$xen" = yes; then
2459       if test $xen_ctrl_version -ge 40701  ; then
2460         libs_softmmu="$xen_stable_libs $libs_softmmu"
2461       fi
2462       libs_softmmu="$xen_libs $libs_softmmu"
2463     fi
2464   fi
2465 fi
2466
2467 if test "$xen_pci_passthrough" != "no"; then
2468   if test "$xen" = "yes" && test "$linux" = "yes"; then
2469     xen_pci_passthrough=yes
2470   else
2471     if test "$xen_pci_passthrough" = "yes"; then
2472       error_exit "User requested feature Xen PCI Passthrough" \
2473           " but this feature requires /sys from Linux"
2474     fi
2475     xen_pci_passthrough=no
2476   fi
2477 fi
2478
2479 if test "$xen_pv_domain_build" = "yes" &&
2480    test "$xen" != "yes"; then
2481     error_exit "User requested Xen PV domain builder support" \
2482                "which requires Xen support."
2483 fi
2484
2485 ##########################################
2486 # Windows Hypervisor Platform accelerator (WHPX) check
2487 if test "$whpx" != "no" ; then
2488     cat > $TMPC << EOF
2489 #include <windows.h>
2490 #include <WinHvPlatform.h>
2491 #include <WinHvEmulation.h>
2492 int main(void) {
2493     WHV_CAPABILITY whpx_cap;
2494     WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap));
2495     return 0;
2496 }
2497 EOF
2498     if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then
2499         libs_softmmu="$libs_softmmu -lWinHvPlatform -lWinHvEmulation"
2500         whpx="yes"
2501     else
2502         if test "$whpx" = "yes"; then
2503             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2504         fi
2505         whpx="no"
2506     fi
2507 fi
2508
2509 ##########################################
2510 # Sparse probe
2511 if test "$sparse" != "no" ; then
2512   if has cgcc; then
2513     sparse=yes
2514   else
2515     if test "$sparse" = "yes" ; then
2516       feature_not_found "sparse" "Install sparse binary"
2517     fi
2518     sparse=no
2519   fi
2520 fi
2521
2522 ##########################################
2523 # X11 probe
2524 if $pkg_config --exists "x11"; then
2525     have_x11=yes
2526     x11_cflags=$($pkg_config --cflags x11)
2527     x11_libs=$($pkg_config --libs x11)
2528 fi
2529
2530 ##########################################
2531 # GTK probe
2532
2533 if test "$gtkabi" = ""; then
2534     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2535     # Use 2.0 as a fallback if that is available.
2536     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2537         gtkabi=3.0
2538     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2539         gtkabi=2.0
2540     else
2541         gtkabi=3.0
2542     fi
2543 fi
2544
2545 if test "$gtk" != "no"; then
2546     gtkpackage="gtk+-$gtkabi"
2547     gtkx11package="gtk+-x11-$gtkabi"
2548     if test "$gtkabi" = "3.0" ; then
2549       gtkversion="3.0.0"
2550     else
2551       gtkversion="2.18.0"
2552     fi
2553     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2554         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2555         gtk_libs=$($pkg_config --libs $gtkpackage)
2556         gtk_version=$($pkg_config --modversion $gtkpackage)
2557         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2558             need_x11=yes
2559             gtk_cflags="$gtk_cflags $x11_cflags"
2560             gtk_libs="$gtk_libs $x11_libs"
2561         fi
2562         gtk="yes"
2563     elif test "$gtk" = "yes"; then
2564         feature_not_found "gtk" "Install gtk3-devel"
2565     else
2566         gtk="no"
2567     fi
2568 fi
2569
2570
2571 ##########################################
2572 # GNUTLS probe
2573
2574 gnutls_works() {
2575     # Unfortunately some distros have bad pkg-config information for gnutls
2576     # such that it claims to exist but you get a compiler error if you try
2577     # to use the options returned by --libs. Specifically, Ubuntu for --static
2578     # builds doesn't work:
2579     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2580     #
2581     # So sanity check the cflags/libs before assuming gnutls can be used.
2582     if ! $pkg_config --exists "gnutls"; then
2583         return 1
2584     fi
2585
2586     write_c_skeleton
2587     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2588 }
2589
2590 gnutls_gcrypt=no
2591 gnutls_nettle=no
2592 if test "$gnutls" != "no"; then
2593     if gnutls_works; then
2594         gnutls_cflags=$($pkg_config --cflags gnutls)
2595         gnutls_libs=$($pkg_config --libs gnutls)
2596         libs_softmmu="$gnutls_libs $libs_softmmu"
2597         libs_tools="$gnutls_libs $libs_tools"
2598         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2599         gnutls="yes"
2600
2601         # gnutls_rnd requires >= 2.11.0
2602         if $pkg_config --exists "gnutls >= 2.11.0"; then
2603             gnutls_rnd="yes"
2604         else
2605             gnutls_rnd="no"
2606         fi
2607
2608         if $pkg_config --exists 'gnutls >= 3.0'; then
2609             gnutls_gcrypt=no
2610             gnutls_nettle=yes
2611         elif $pkg_config --exists 'gnutls >= 2.12'; then
2612             case $($pkg_config --libs --static gnutls) in
2613                 *gcrypt*)
2614                     gnutls_gcrypt=yes
2615                     gnutls_nettle=no
2616                     ;;
2617                 *nettle*)
2618                     gnutls_gcrypt=no
2619                     gnutls_nettle=yes
2620                     ;;
2621                 *)
2622                     gnutls_gcrypt=yes
2623                     gnutls_nettle=no
2624                     ;;
2625             esac
2626         else
2627             gnutls_gcrypt=yes
2628             gnutls_nettle=no
2629         fi
2630     elif test "$gnutls" = "yes"; then
2631         feature_not_found "gnutls" "Install gnutls devel"
2632     else
2633         gnutls="no"
2634         gnutls_rnd="no"
2635     fi
2636 else
2637     gnutls_rnd="no"
2638 fi
2639
2640
2641 # If user didn't give a --disable/enable-gcrypt flag,
2642 # then mark as disabled if user requested nettle
2643 # explicitly, or if gnutls links to nettle
2644 if test -z "$gcrypt"
2645 then
2646     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2647     then
2648         gcrypt="no"
2649     fi
2650 fi
2651
2652 # If user didn't give a --disable/enable-nettle flag,
2653 # then mark as disabled if user requested gcrypt
2654 # explicitly, or if gnutls links to gcrypt
2655 if test -z "$nettle"
2656 then
2657     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2658     then
2659         nettle="no"
2660     fi
2661 fi
2662
2663 has_libgcrypt_config() {
2664     if ! has "libgcrypt-config"
2665     then
2666         return 1
2667     fi
2668
2669     if test -n "$cross_prefix"
2670     then
2671         host=$(libgcrypt-config --host)
2672         if test "$host-" != $cross_prefix
2673         then
2674             return 1
2675         fi
2676     fi
2677
2678     return 0
2679 }
2680
2681 if test "$gcrypt" != "no"; then
2682     if has_libgcrypt_config; then
2683         gcrypt_cflags=$(libgcrypt-config --cflags)
2684         gcrypt_libs=$(libgcrypt-config --libs)
2685         # Debian has remove -lgpg-error from libgcrypt-config
2686         # as it "spreads unnecessary dependencies" which in
2687         # turn breaks static builds...
2688         if test "$static" = "yes"
2689         then
2690             gcrypt_libs="$gcrypt_libs -lgpg-error"
2691         fi
2692         libs_softmmu="$gcrypt_libs $libs_softmmu"
2693         libs_tools="$gcrypt_libs $libs_tools"
2694         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2695         gcrypt="yes"
2696         if test -z "$nettle"; then
2697            nettle="no"
2698         fi
2699
2700         cat > $TMPC << EOF
2701 #include <gcrypt.h>
2702 int main(void) {
2703   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2704                   GCRY_MD_SHA256,
2705                   NULL, 0, 0, 0, NULL);
2706  return 0;
2707 }
2708 EOF
2709         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2710             gcrypt_kdf=yes
2711         fi
2712
2713         cat > $TMPC << EOF
2714 #include <gcrypt.h>
2715 int main(void) {
2716   gcry_mac_hd_t handle;
2717   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2718                 GCRY_MAC_FLAG_SECURE, NULL);
2719   return 0;
2720 }
2721 EOF
2722         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2723             gcrypt_hmac=yes
2724         fi
2725     else
2726         if test "$gcrypt" = "yes"; then
2727             feature_not_found "gcrypt" "Install gcrypt devel"
2728         else
2729             gcrypt="no"
2730         fi
2731     fi
2732 fi
2733
2734
2735 if test "$nettle" != "no"; then
2736     if $pkg_config --exists "nettle"; then
2737         nettle_cflags=$($pkg_config --cflags nettle)
2738         nettle_libs=$($pkg_config --libs nettle)
2739         nettle_version=$($pkg_config --modversion nettle)
2740         libs_softmmu="$nettle_libs $libs_softmmu"
2741         libs_tools="$nettle_libs $libs_tools"
2742         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2743         nettle="yes"
2744
2745         cat > $TMPC << EOF
2746 #include <stddef.h>
2747 #include <nettle/pbkdf2.h>
2748 int main(void) {
2749      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2750      return 0;
2751 }
2752 EOF
2753         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2754             nettle_kdf=yes
2755         fi
2756     else
2757         if test "$nettle" = "yes"; then
2758             feature_not_found "nettle" "Install nettle devel"
2759         else
2760             nettle="no"
2761         fi
2762     fi
2763 fi
2764
2765 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2766 then
2767     error_exit "Only one of gcrypt & nettle can be enabled"
2768 fi
2769
2770 ##########################################
2771 # libtasn1 - only for the TLS creds/session test suite
2772
2773 tasn1=yes
2774 tasn1_cflags=""
2775 tasn1_libs=""
2776 if $pkg_config --exists "libtasn1"; then
2777     tasn1_cflags=$($pkg_config --cflags libtasn1)
2778     tasn1_libs=$($pkg_config --libs libtasn1)
2779 else
2780     tasn1=no
2781 fi
2782
2783
2784 ##########################################
2785 # getifaddrs (for tests/test-io-channel-socket )
2786
2787 have_ifaddrs_h=yes
2788 if ! check_include "ifaddrs.h" ; then
2789   have_ifaddrs_h=no
2790 fi
2791
2792 ##########################################
2793 # VTE probe
2794
2795 if test "$vte" != "no"; then
2796     if test "$gtkabi" = "3.0"; then
2797       vteminversion="0.32.0"
2798       if $pkg_config --exists "vte-2.91"; then
2799         vtepackage="vte-2.91"
2800       else
2801         vtepackage="vte-2.90"
2802       fi
2803     else
2804       vtepackage="vte"
2805       vteminversion="0.24.0"
2806     fi
2807     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2808         vte_cflags=$($pkg_config --cflags $vtepackage)
2809         vte_libs=$($pkg_config --libs $vtepackage)
2810         vteversion=$($pkg_config --modversion $vtepackage)
2811         vte="yes"
2812     elif test "$vte" = "yes"; then
2813         if test "$gtkabi" = "3.0"; then
2814             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2815         else
2816             feature_not_found "vte" "Install libvte devel"
2817         fi
2818     else
2819         vte="no"
2820     fi
2821 fi
2822
2823 ##########################################
2824 # SDL probe
2825
2826 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2827 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2828
2829 if test "$sdlabi" = ""; then
2830     if $pkg_config --exists "sdl2"; then
2831         sdlabi=2.0
2832     elif $pkg_config --exists "sdl"; then
2833         sdlabi=1.2
2834     else
2835         sdlabi=2.0
2836     fi
2837 fi
2838
2839 if test $sdlabi = "2.0"; then
2840     sdl_config=$sdl2_config
2841     sdlname=sdl2
2842     sdlconfigname=sdl2_config
2843 elif test $sdlabi = "1.2"; then
2844     sdlname=sdl
2845     sdlconfigname=sdl_config
2846 else
2847     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2848 fi
2849
2850 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2851   sdl_config=$sdlconfigname
2852 fi
2853
2854 if $pkg_config $sdlname --exists; then
2855   sdlconfig="$pkg_config $sdlname"
2856   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2857 elif has ${sdl_config}; then
2858   sdlconfig="$sdl_config"
2859   sdlversion=$($sdlconfig --version)
2860 else
2861   if test "$sdl" = "yes" ; then
2862     feature_not_found "sdl" "Install SDL2-devel"
2863   fi
2864   sdl=no
2865 fi
2866 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2867   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2868 fi
2869
2870 sdl_too_old=no
2871 if test "$sdl" != "no" ; then
2872   cat > $TMPC << EOF
2873 #include <SDL.h>
2874 #undef main /* We don't want SDL to override our main() */
2875 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2876 EOF
2877   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2878   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
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" "$curses_lib" ; then
3284         curses_found=yes
3285         break
3286       fi
3287     done
3288     if test "$curses_found" = yes ; then
3289       break
3290     fi
3291   done
3292   unset IFS
3293   if test "$curses_found" = "yes" ; then
3294     curses=yes
3295   else
3296     if test "$curses" = "yes" ; then
3297       feature_not_found "curses" "Install ncurses devel"
3298     fi
3299     curses=no
3300   fi
3301 fi
3302
3303 ##########################################
3304 # curl probe
3305 if test "$curl" != "no" ; then
3306   if $pkg_config libcurl --exists; then
3307     curlconfig="$pkg_config libcurl"
3308   else
3309     curlconfig=curl-config
3310   fi
3311   cat > $TMPC << EOF
3312 #include <curl/curl.h>
3313 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3314 EOF
3315   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3316   curl_libs=$($curlconfig --libs 2>/dev/null)
3317   if compile_prog "$curl_cflags" "$curl_libs" ; then
3318     curl=yes
3319   else
3320     if test "$curl" = "yes" ; then
3321       feature_not_found "curl" "Install libcurl devel"
3322     fi
3323     curl=no
3324   fi
3325 fi # test "$curl"
3326
3327 ##########################################
3328 # bluez support probe
3329 if test "$bluez" != "no" ; then
3330   cat > $TMPC << EOF
3331 #include <bluetooth/bluetooth.h>
3332 int main(void) { return bt_error(0); }
3333 EOF
3334   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3335   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3336   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3337     bluez=yes
3338     libs_softmmu="$bluez_libs $libs_softmmu"
3339   else
3340     if test "$bluez" = "yes" ; then
3341       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3342     fi
3343     bluez="no"
3344   fi
3345 fi
3346
3347 ##########################################
3348 # glib support probe
3349
3350 if test "$mingw32" = yes; then
3351     glib_req_ver=2.30
3352 else
3353     glib_req_ver=2.22
3354 fi
3355 glib_modules=gthread-2.0
3356 if test "$modules" = yes; then
3357     glib_modules="$glib_modules gmodule-2.0"
3358 fi
3359
3360 # This workaround is required due to a bug in pkg-config file for glib as it
3361 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3362
3363 if test "$static" = yes -a "$mingw32" = yes; then
3364     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3365 fi
3366
3367 for i in $glib_modules; do
3368     if $pkg_config --atleast-version=$glib_req_ver $i; then
3369         glib_cflags=$($pkg_config --cflags $i)
3370         glib_libs=$($pkg_config --libs $i)
3371         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3372         LIBS="$glib_libs $LIBS"
3373         libs_qga="$glib_libs $libs_qga"
3374     else
3375         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3376     fi
3377 done
3378
3379 # Sanity check that the current size_t matches the
3380 # size that glib thinks it should be. This catches
3381 # problems on multi-arch where people try to build
3382 # 32-bit QEMU while pointing at 64-bit glib headers
3383 cat > $TMPC <<EOF
3384 #include <glib.h>
3385 #include <unistd.h>
3386
3387 #define QEMU_BUILD_BUG_ON(x) \
3388   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3389
3390 int main(void) {
3391    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3392    return 0;
3393 }
3394 EOF
3395
3396 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3397     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3398                "You probably need to set PKG_CONFIG_LIBDIR"\
3399                "to point to the right pkg-config files for your"\
3400                "build target"
3401 fi
3402
3403 # g_test_trap_subprocess added in 2.38. Used by some tests.
3404 glib_subprocess=yes
3405 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3406     glib_subprocess=no
3407 fi
3408
3409 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3410 cat > $TMPC << EOF
3411 #include <glib.h>
3412 int main(void) { return 0; }
3413 EOF
3414 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3415     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3416         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3417         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3418     fi
3419 fi
3420
3421 ##########################################
3422 # SHA command probe for modules
3423 if test "$modules" = yes; then
3424     shacmd_probe="sha1sum sha1 shasum"
3425     for c in $shacmd_probe; do
3426         if has $c; then
3427             shacmd="$c"
3428             break
3429         fi
3430     done
3431     if test "$shacmd" = ""; then
3432         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3433     fi
3434 fi
3435
3436 ##########################################
3437 # pixman support probe
3438
3439 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3440   pixman_cflags=
3441   pixman_libs=
3442 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3443   pixman_cflags=$($pkg_config --cflags pixman-1)
3444   pixman_libs=$($pkg_config --libs pixman-1)
3445 else
3446   error_exit "pixman >= 0.21.8 not present." \
3447       "Please install the pixman devel package."
3448 fi
3449
3450 ##########################################
3451 # libmpathpersist probe
3452
3453 if test "$mpath" != "no" ; then
3454   cat > $TMPC <<EOF
3455 #include <libudev.h>
3456 #include <mpath_persist.h>
3457 unsigned mpath_mx_alloc_len = 1024;
3458 int logsink;
3459 static struct config *multipath_conf;
3460 extern struct udev *udev;
3461 extern struct config *get_multipath_config(void);
3462 extern void put_multipath_config(struct config *conf);
3463 struct udev *udev;
3464 struct config *get_multipath_config(void) { return multipath_conf; }
3465 void put_multipath_config(struct config *conf) { }
3466
3467 int main(void) {
3468     udev = udev_new();
3469     multipath_conf = mpath_lib_init();
3470     return 0;
3471 }
3472 EOF
3473   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3474     mpathpersist=yes
3475   else
3476     mpathpersist=no
3477   fi
3478 else
3479   mpathpersist=no
3480 fi
3481
3482 ##########################################
3483 # libcap probe
3484
3485 if test "$cap" != "no" ; then
3486   cat > $TMPC <<EOF
3487 #include <stdio.h>
3488 #include <sys/capability.h>
3489 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3490 EOF
3491   if compile_prog "" "-lcap" ; then
3492     cap=yes
3493   else
3494     cap=no
3495   fi
3496 fi
3497
3498 ##########################################
3499 # pthread probe
3500 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3501
3502 pthread=no
3503 cat > $TMPC << EOF
3504 #include <pthread.h>
3505 static void *f(void *p) { return NULL; }
3506 int main(void) {
3507   pthread_t thread;
3508   pthread_create(&thread, 0, f, 0);
3509   return 0;
3510 }
3511 EOF
3512 if compile_prog "" "" ; then
3513   pthread=yes
3514 else
3515   for pthread_lib in $PTHREADLIBS_LIST; do
3516     if compile_prog "" "$pthread_lib" ; then
3517       pthread=yes
3518       found=no
3519       for lib_entry in $LIBS; do
3520         if test "$lib_entry" = "$pthread_lib"; then
3521           found=yes
3522           break
3523         fi
3524       done
3525       if test "$found" = "no"; then
3526         LIBS="$pthread_lib $LIBS"
3527         libs_qga="$pthread_lib $libs_qga"
3528       fi
3529       PTHREAD_LIB="$pthread_lib"
3530       break
3531     fi
3532   done
3533 fi
3534
3535 if test "$mingw32" != yes -a "$pthread" = no; then
3536   error_exit "pthread check failed" \
3537       "Make sure to have the pthread libs and headers installed."
3538 fi
3539
3540 # check for pthread_setname_np
3541 pthread_setname_np=no
3542 cat > $TMPC << EOF
3543 #include <pthread.h>
3544
3545 static void *f(void *p) { return NULL; }
3546 int main(void)
3547 {
3548     pthread_t thread;
3549     pthread_create(&thread, 0, f, 0);
3550     pthread_setname_np(thread, "QEMU");
3551     return 0;
3552 }
3553 EOF
3554 if compile_prog "" "$pthread_lib" ; then
3555   pthread_setname_np=yes
3556 fi
3557
3558 ##########################################
3559 # rbd probe
3560 if test "$rbd" != "no" ; then
3561   cat > $TMPC <<EOF
3562 #include <stdio.h>
3563 #include <rbd/librbd.h>
3564 int main(void) {
3565     rados_t cluster;
3566     rados_create(&cluster, NULL);
3567     return 0;
3568 }
3569 EOF
3570   rbd_libs="-lrbd -lrados"
3571   if compile_prog "" "$rbd_libs" ; then
3572     rbd=yes
3573   else
3574     if test "$rbd" = "yes" ; then
3575       feature_not_found "rados block device" "Install librbd/ceph devel"
3576     fi
3577     rbd=no
3578   fi
3579 fi
3580
3581 ##########################################
3582 # libssh2 probe
3583 min_libssh2_version=1.2.8
3584 if test "$libssh2" != "no" ; then
3585   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3586     libssh2_cflags=$($pkg_config libssh2 --cflags)
3587     libssh2_libs=$($pkg_config libssh2 --libs)
3588     libssh2=yes
3589   else
3590     if test "$libssh2" = "yes" ; then
3591       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3592     fi
3593     libssh2=no
3594   fi
3595 fi
3596
3597 ##########################################
3598 # libssh2_sftp_fsync probe
3599
3600 if test "$libssh2" = "yes"; then
3601   cat > $TMPC <<EOF
3602 #include <stdio.h>
3603 #include <libssh2.h>
3604 #include <libssh2_sftp.h>
3605 int main(void) {
3606     LIBSSH2_SESSION *session;
3607     LIBSSH2_SFTP *sftp;
3608     LIBSSH2_SFTP_HANDLE *sftp_handle;
3609     session = libssh2_session_init ();
3610     sftp = libssh2_sftp_init (session);
3611     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3612     libssh2_sftp_fsync (sftp_handle);
3613     return 0;
3614 }
3615 EOF
3616   # libssh2_cflags/libssh2_libs defined in previous test.
3617   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3618     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3619   fi
3620 fi
3621
3622 ##########################################
3623 # linux-aio probe
3624
3625 if test "$linux_aio" != "no" ; then
3626   cat > $TMPC <<EOF
3627 #include <libaio.h>
3628 #include <sys/eventfd.h>
3629 #include <stddef.h>
3630 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3631 EOF
3632   if compile_prog "" "-laio" ; then
3633     linux_aio=yes
3634   else
3635     if test "$linux_aio" = "yes" ; then
3636       feature_not_found "linux AIO" "Install libaio devel"
3637     fi
3638     linux_aio=no
3639   fi
3640 fi
3641
3642 ##########################################
3643 # TPM passthrough is only on x86 Linux
3644
3645 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3646   tpm_passthrough=$tpm
3647 else
3648   tpm_passthrough=no
3649 fi
3650
3651 # TPM emulator is for all posix systems
3652 if test "$mingw32" != "yes"; then
3653   tpm_emulator=$tpm
3654 else
3655   tpm_emulator=no
3656 fi
3657 ##########################################
3658 # attr probe
3659
3660 if test "$attr" != "no" ; then
3661   cat > $TMPC <<EOF
3662 #include <stdio.h>
3663 #include <sys/types.h>
3664 #ifdef CONFIG_LIBATTR
3665 #include <attr/xattr.h>
3666 #else
3667 #include <sys/xattr.h>
3668 #endif
3669 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3670 EOF
3671   if compile_prog "" "" ; then
3672     attr=yes
3673   # Older distros have <attr/xattr.h>, and need -lattr:
3674   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3675     attr=yes
3676     LIBS="-lattr $LIBS"
3677     libattr=yes
3678   else
3679     if test "$attr" = "yes" ; then
3680       feature_not_found "ATTR" "Install libc6 or libattr devel"
3681     fi
3682     attr=no
3683   fi
3684 fi
3685
3686 ##########################################
3687 # iovec probe
3688 cat > $TMPC <<EOF
3689 #include <sys/types.h>
3690 #include <sys/uio.h>
3691 #include <unistd.h>
3692 int main(void) { return sizeof(struct iovec); }
3693 EOF
3694 iovec=no
3695 if compile_prog "" "" ; then
3696   iovec=yes
3697 fi
3698
3699 ##########################################
3700 # preadv probe
3701 cat > $TMPC <<EOF
3702 #include <sys/types.h>
3703 #include <sys/uio.h>
3704 #include <unistd.h>
3705 int main(void) { return preadv(0, 0, 0, 0); }
3706 EOF
3707 preadv=no
3708 if compile_prog "" "" ; then
3709   preadv=yes
3710 fi
3711
3712 ##########################################
3713 # fdt probe
3714 # fdt support is mandatory for at least some target architectures,
3715 # so insist on it if we're building those system emulators.
3716 fdt_required=no
3717 for target in $target_list; do
3718   case $target in
3719     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3720       fdt_required=yes
3721     ;;
3722   esac
3723 done
3724
3725 if test "$fdt_required" = "yes"; then
3726   if test "$fdt" = "no"; then
3727     error_exit "fdt disabled but some requested targets require it." \
3728       "You can turn off fdt only if you also disable all the system emulation" \
3729       "targets which need it (by specifying a cut down --target-list)."
3730   fi
3731   fdt=yes
3732 fi
3733
3734 if test "$fdt" != "no" ; then
3735   fdt_libs="-lfdt"
3736   # explicitly check for libfdt_env.h as it is missing in some stable installs
3737   # and test for required functions to make sure we are on a version >= 1.4.2
3738   cat > $TMPC << EOF
3739 #include <libfdt.h>
3740 #include <libfdt_env.h>
3741 int main(void) { fdt_first_subnode(0, 0); return 0; }
3742 EOF
3743   if compile_prog "" "$fdt_libs" ; then
3744     # system DTC is good - use it
3745     fdt=yes
3746   else
3747       # have GIT checkout, so activate dtc submodule
3748       if test -e "${source_path}/.git" ; then
3749           git_submodules="${git_submodules} dtc"
3750       fi
3751       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3752           fdt=yes
3753           dtc_internal="yes"
3754           mkdir -p dtc
3755           if [ "$pwd_is_source_path" != "y" ] ; then
3756               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3757               symlink "$source_path/dtc/scripts" "dtc/scripts"
3758           fi
3759           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3760           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3761       elif test "$fdt" = "yes" ; then
3762           # Not a git build & no libfdt found, prompt for system install
3763           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3764                      "Please install the DTC (libfdt) devel package"
3765       else
3766           # don't have and don't want
3767           fdt_libs=
3768           fdt=no
3769       fi
3770   fi
3771 fi
3772
3773 libs_softmmu="$libs_softmmu $fdt_libs"
3774
3775 ##########################################
3776 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3777
3778 if test "$opengl" != "no" ; then
3779   opengl_pkgs="epoxy libdrm gbm"
3780   if $pkg_config $opengl_pkgs; then
3781     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3782     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3783     opengl=yes
3784     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3785         gtk_gl="yes"
3786     fi
3787     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3788   else
3789     if test "$opengl" = "yes" ; then
3790       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3791     fi
3792     opengl_cflags=""
3793     opengl_libs=""
3794     opengl=no
3795   fi
3796 fi
3797
3798 if test "$opengl" = "yes"; then
3799   cat > $TMPC << EOF
3800 #include <epoxy/egl.h>
3801 #ifndef EGL_MESA_image_dma_buf_export
3802 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3803 #endif
3804 int main(void) { return 0; }
3805 EOF
3806   if compile_prog "" "" ; then
3807     opengl_dmabuf=yes
3808   fi
3809 fi
3810
3811 ##########################################
3812 # libxml2 probe
3813 if test "$libxml2" != "no" ; then
3814     if $pkg_config --exists libxml-2.0; then
3815         libxml2="yes"
3816         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3817         libxml2_libs=$($pkg_config --libs libxml-2.0)
3818     else
3819         if test "$libxml2" = "yes"; then
3820             feature_not_found "libxml2" "Install libxml2 devel"
3821         fi
3822         libxml2="no"
3823     fi
3824 fi
3825
3826 ##########################################
3827 # glusterfs probe
3828 if test "$glusterfs" != "no" ; then
3829   if $pkg_config --atleast-version=3 glusterfs-api; then
3830     glusterfs="yes"
3831     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3832     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3833     if $pkg_config --atleast-version=4 glusterfs-api; then
3834       glusterfs_xlator_opt="yes"
3835     fi
3836     if $pkg_config --atleast-version=5 glusterfs-api; then
3837       glusterfs_discard="yes"
3838     fi
3839     if $pkg_config --atleast-version=6 glusterfs-api; then
3840       glusterfs_fallocate="yes"
3841       glusterfs_zerofill="yes"
3842     fi
3843   else
3844     if test "$glusterfs" = "yes" ; then
3845       feature_not_found "GlusterFS backend support" \
3846           "Install glusterfs-api devel >= 3"
3847     fi
3848     glusterfs="no"
3849   fi
3850 fi
3851
3852 # Check for inotify functions when we are building linux-user
3853 # emulator.  This is done because older glibc versions don't
3854 # have syscall stubs for these implemented.  In that case we
3855 # don't provide them even if kernel supports them.
3856 #
3857 inotify=no
3858 cat > $TMPC << EOF
3859 #include <sys/inotify.h>
3860
3861 int
3862 main(void)
3863 {
3864         /* try to start inotify */
3865         return inotify_init();
3866 }
3867 EOF
3868 if compile_prog "" "" ; then
3869   inotify=yes
3870 fi
3871
3872 inotify1=no
3873 cat > $TMPC << EOF
3874 #include <sys/inotify.h>
3875
3876 int
3877 main(void)
3878 {
3879     /* try to start inotify */
3880     return inotify_init1(0);
3881 }
3882 EOF
3883 if compile_prog "" "" ; then
3884   inotify1=yes
3885 fi
3886
3887 # check if pipe2 is there
3888 pipe2=no
3889 cat > $TMPC << EOF
3890 #include <unistd.h>
3891 #include <fcntl.h>
3892
3893 int main(void)
3894 {
3895     int pipefd[2];
3896     return pipe2(pipefd, O_CLOEXEC);
3897 }
3898 EOF
3899 if compile_prog "" "" ; then
3900   pipe2=yes
3901 fi
3902
3903 # check if accept4 is there
3904 accept4=no
3905 cat > $TMPC << EOF
3906 #include <sys/socket.h>
3907 #include <stddef.h>
3908
3909 int main(void)
3910 {
3911     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3912     return 0;
3913 }
3914 EOF
3915 if compile_prog "" "" ; then
3916   accept4=yes
3917 fi
3918
3919 # check if tee/splice is there. vmsplice was added same time.
3920 splice=no
3921 cat > $TMPC << EOF
3922 #include <unistd.h>
3923 #include <fcntl.h>
3924 #include <limits.h>
3925
3926 int main(void)
3927 {
3928     int len, fd = 0;
3929     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3930     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3931     return 0;
3932 }
3933 EOF
3934 if compile_prog "" "" ; then
3935   splice=yes
3936 fi
3937
3938 ##########################################
3939 # libnuma probe
3940
3941 if test "$numa" != "no" ; then
3942   cat > $TMPC << EOF
3943 #include <numa.h>
3944 int main(void) { return numa_available(); }
3945 EOF
3946
3947   if compile_prog "" "-lnuma" ; then
3948     numa=yes
3949     libs_softmmu="-lnuma $libs_softmmu"
3950   else
3951     if test "$numa" = "yes" ; then
3952       feature_not_found "numa" "install numactl devel"
3953     fi
3954     numa=no
3955   fi
3956 fi
3957
3958 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3959     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3960     exit 1
3961 fi
3962
3963 # Even if malloc_trim() is available, these non-libc memory allocators
3964 # do not support it.
3965 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3966     if test "$malloc_trim" = "yes" ; then
3967         echo "Disabling malloc_trim with non-libc memory allocator"
3968     fi
3969     malloc_trim="no"
3970 fi
3971
3972 #######################################
3973 # malloc_trim
3974
3975 if test "$malloc_trim" != "no" ; then
3976     cat > $TMPC << EOF
3977 #include <malloc.h>
3978 int main(void) { malloc_trim(0); return 0; }
3979 EOF
3980     if compile_prog "" "" ; then
3981         malloc_trim="yes"
3982     else
3983         malloc_trim="no"
3984     fi
3985 fi
3986
3987 ##########################################
3988 # tcmalloc probe
3989
3990 if test "$tcmalloc" = "yes" ; then
3991   cat > $TMPC << EOF
3992 #include <stdlib.h>
3993 int main(void) { malloc(1); return 0; }
3994 EOF
3995
3996   if compile_prog "" "-ltcmalloc" ; then
3997     LIBS="-ltcmalloc $LIBS"
3998   else
3999     feature_not_found "tcmalloc" "install gperftools devel"
4000   fi
4001 fi
4002
4003 ##########################################
4004 # jemalloc probe
4005
4006 if test "$jemalloc" = "yes" ; then
4007   cat > $TMPC << EOF
4008 #include <stdlib.h>
4009 int main(void) { malloc(1); return 0; }
4010 EOF
4011
4012   if compile_prog "" "-ljemalloc" ; then
4013     LIBS="-ljemalloc $LIBS"
4014   else
4015     feature_not_found "jemalloc" "install jemalloc devel"
4016   fi
4017 fi
4018
4019 ##########################################
4020 # signalfd probe
4021 signalfd="no"
4022 cat > $TMPC << EOF
4023 #include <unistd.h>
4024 #include <sys/syscall.h>
4025 #include <signal.h>
4026 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4027 EOF
4028
4029 if compile_prog "" "" ; then
4030   signalfd=yes
4031 fi
4032
4033 # check if eventfd is supported
4034 eventfd=no
4035 cat > $TMPC << EOF
4036 #include <sys/eventfd.h>
4037
4038 int main(void)
4039 {
4040     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4041 }
4042 EOF
4043 if compile_prog "" "" ; then
4044   eventfd=yes
4045 fi
4046
4047 # check if memfd is supported
4048 memfd=no
4049 cat > $TMPC << EOF
4050 #include <sys/mman.h>
4051
4052 int main(void)
4053 {
4054     return memfd_create("foo", MFD_ALLOW_SEALING);
4055 }
4056 EOF
4057 if compile_prog "" "" ; then
4058   memfd=yes
4059 fi
4060
4061
4062
4063 # check for fallocate
4064 fallocate=no
4065 cat > $TMPC << EOF
4066 #include <fcntl.h>
4067
4068 int main(void)
4069 {
4070     fallocate(0, 0, 0, 0);
4071     return 0;
4072 }
4073 EOF
4074 if compile_prog "" "" ; then
4075   fallocate=yes
4076 fi
4077
4078 # check for fallocate hole punching
4079 fallocate_punch_hole=no
4080 cat > $TMPC << EOF
4081 #include <fcntl.h>
4082 #include <linux/falloc.h>
4083
4084 int main(void)
4085 {
4086     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4087     return 0;
4088 }
4089 EOF
4090 if compile_prog "" "" ; then
4091   fallocate_punch_hole=yes
4092 fi
4093
4094 # check that fallocate supports range zeroing inside the file
4095 fallocate_zero_range=no
4096 cat > $TMPC << EOF
4097 #include <fcntl.h>
4098 #include <linux/falloc.h>
4099
4100 int main(void)
4101 {
4102     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4103     return 0;
4104 }
4105 EOF
4106 if compile_prog "" "" ; then
4107   fallocate_zero_range=yes
4108 fi
4109
4110 # check for posix_fallocate
4111 posix_fallocate=no
4112 cat > $TMPC << EOF
4113 #include <fcntl.h>
4114
4115 int main(void)
4116 {
4117     posix_fallocate(0, 0, 0);
4118     return 0;
4119 }
4120 EOF
4121 if compile_prog "" "" ; then
4122     posix_fallocate=yes
4123 fi
4124
4125 # check for sync_file_range
4126 sync_file_range=no
4127 cat > $TMPC << EOF
4128 #include <fcntl.h>
4129
4130 int main(void)
4131 {
4132     sync_file_range(0, 0, 0, 0);
4133     return 0;
4134 }
4135 EOF
4136 if compile_prog "" "" ; then
4137   sync_file_range=yes
4138 fi
4139
4140 # check for linux/fiemap.h and FS_IOC_FIEMAP
4141 fiemap=no
4142 cat > $TMPC << EOF
4143 #include <sys/ioctl.h>
4144 #include <linux/fs.h>
4145 #include <linux/fiemap.h>
4146
4147 int main(void)
4148 {
4149     ioctl(0, FS_IOC_FIEMAP, 0);
4150     return 0;
4151 }
4152 EOF
4153 if compile_prog "" "" ; then
4154   fiemap=yes
4155 fi
4156
4157 # check for dup3
4158 dup3=no
4159 cat > $TMPC << EOF
4160 #include <unistd.h>
4161
4162 int main(void)
4163 {
4164     dup3(0, 0, 0);
4165     return 0;
4166 }
4167 EOF
4168 if compile_prog "" "" ; then
4169   dup3=yes
4170 fi
4171
4172 # check for ppoll support
4173 ppoll=no
4174 cat > $TMPC << EOF
4175 #include <poll.h>
4176
4177 int main(void)
4178 {
4179     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4180     ppoll(&pfd, 1, 0, 0);
4181     return 0;
4182 }
4183 EOF
4184 if compile_prog "" "" ; then
4185   ppoll=yes
4186 fi
4187
4188 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4189 prctl_pr_set_timerslack=no
4190 cat > $TMPC << EOF
4191 #include <sys/prctl.h>
4192
4193 int main(void)
4194 {
4195     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4196     return 0;
4197 }
4198 EOF
4199 if compile_prog "" "" ; then
4200   prctl_pr_set_timerslack=yes
4201 fi
4202
4203 # check for epoll support
4204 epoll=no
4205 cat > $TMPC << EOF
4206 #include <sys/epoll.h>
4207
4208 int main(void)
4209 {
4210     epoll_create(0);
4211     return 0;
4212 }
4213 EOF
4214 if compile_prog "" "" ; then
4215   epoll=yes
4216 fi
4217
4218 # epoll_create1 is a later addition
4219 # so we must check separately for its presence
4220 epoll_create1=no
4221 cat > $TMPC << EOF
4222 #include <sys/epoll.h>
4223
4224 int main(void)
4225 {
4226     /* Note that we use epoll_create1 as a value, not as
4227      * a function being called. This is necessary so that on
4228      * old SPARC glibc versions where the function was present in
4229      * the library but not declared in the header file we will
4230      * fail the configure check. (Otherwise we will get a compiler
4231      * warning but not an error, and will proceed to fail the
4232      * qemu compile where we compile with -Werror.)
4233      */
4234     return (int)(uintptr_t)&epoll_create1;
4235 }
4236 EOF
4237 if compile_prog "" "" ; then
4238   epoll_create1=yes
4239 fi
4240
4241 # check for sendfile support
4242 sendfile=no
4243 cat > $TMPC << EOF
4244 #include <sys/sendfile.h>
4245
4246 int main(void)
4247 {
4248     return sendfile(0, 0, 0, 0);
4249 }
4250 EOF
4251 if compile_prog "" "" ; then
4252   sendfile=yes
4253 fi
4254
4255 # check for timerfd support (glibc 2.8 and newer)
4256 timerfd=no
4257 cat > $TMPC << EOF
4258 #include <sys/timerfd.h>
4259
4260 int main(void)
4261 {
4262     return(timerfd_create(CLOCK_REALTIME, 0));
4263 }
4264 EOF
4265 if compile_prog "" "" ; then
4266   timerfd=yes
4267 fi
4268
4269 # check for setns and unshare support
4270 setns=no
4271 cat > $TMPC << EOF
4272 #include <sched.h>
4273
4274 int main(void)
4275 {
4276     int ret;
4277     ret = setns(0, 0);
4278     ret = unshare(0);
4279     return ret;
4280 }
4281 EOF
4282 if compile_prog "" "" ; then
4283   setns=yes
4284 fi
4285
4286 # clock_adjtime probe
4287 clock_adjtime=no
4288 cat > $TMPC <<EOF
4289 #include <time.h>
4290
4291 int main(void)
4292 {
4293     return clock_adjtime(0, 0);
4294 }
4295 EOF
4296 clock_adjtime=no
4297 if compile_prog "" "" ; then
4298   clock_adjtime=yes
4299 fi
4300
4301 # syncfs probe
4302 syncfs=no
4303 cat > $TMPC <<EOF
4304 #include <unistd.h>
4305
4306 int main(void)
4307 {
4308     return syncfs(0);
4309 }
4310 EOF
4311 syncfs=no
4312 if compile_prog "" "" ; then
4313   syncfs=yes
4314 fi
4315
4316 # Check if tools are available to build documentation.
4317 if test "$docs" != "no" ; then
4318   if has makeinfo && has pod2man; then
4319     docs=yes
4320   else
4321     if test "$docs" = "yes" ; then
4322       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4323     fi
4324     docs=no
4325   fi
4326 fi
4327
4328 # Search for bswap_32 function
4329 byteswap_h=no
4330 cat > $TMPC << EOF
4331 #include <byteswap.h>
4332 int main(void) { return bswap_32(0); }
4333 EOF
4334 if compile_prog "" "" ; then
4335   byteswap_h=yes
4336 fi
4337
4338 # Search for bswap32 function
4339 bswap_h=no
4340 cat > $TMPC << EOF
4341 #include <sys/endian.h>
4342 #include <sys/types.h>
4343 #include <machine/bswap.h>
4344 int main(void) { return bswap32(0); }
4345 EOF
4346 if compile_prog "" "" ; then
4347   bswap_h=yes
4348 fi
4349
4350 ##########################################
4351 # Do we have libiscsi >= 1.9.0
4352 if test "$libiscsi" != "no" ; then
4353   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4354     libiscsi="yes"
4355     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4356     libiscsi_libs=$($pkg_config --libs libiscsi)
4357   else
4358     if test "$libiscsi" = "yes" ; then
4359       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4360     fi
4361     libiscsi="no"
4362   fi
4363 fi
4364
4365 ##########################################
4366 # Do we need libm
4367 cat > $TMPC << EOF
4368 #include <math.h>
4369 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4370 EOF
4371 if compile_prog "" "" ; then
4372   :
4373 elif compile_prog "" "-lm" ; then
4374   LIBS="-lm $LIBS"
4375   libs_qga="-lm $libs_qga"
4376 else
4377   error_exit "libm check failed"
4378 fi
4379
4380 ##########################################
4381 # Do we need librt
4382 # uClibc provides 2 versions of clock_gettime(), one with realtime
4383 # support and one without. This means that the clock_gettime() don't
4384 # need -lrt. We still need it for timer_create() so we check for this
4385 # function in addition.
4386 cat > $TMPC <<EOF
4387 #include <signal.h>
4388 #include <time.h>
4389 int main(void) {
4390   timer_create(CLOCK_REALTIME, NULL, NULL);
4391   return clock_gettime(CLOCK_REALTIME, NULL);
4392 }
4393 EOF
4394
4395 if compile_prog "" "" ; then
4396   :
4397 # we need pthread for static linking. use previous pthread test result
4398 elif compile_prog "" "$pthread_lib -lrt" ; then
4399   LIBS="$LIBS -lrt"
4400   libs_qga="$libs_qga -lrt"
4401 fi
4402
4403 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4404         "$haiku" != "yes" ; then
4405     libs_softmmu="-lutil $libs_softmmu"
4406 fi
4407
4408 ##########################################
4409 # spice probe
4410 if test "$spice" != "no" ; then
4411   cat > $TMPC << EOF
4412 #include <spice.h>
4413 int main(void) { spice_server_new(); return 0; }
4414 EOF
4415   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4416   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4417   if $pkg_config --atleast-version=0.12.0 spice-server && \
4418      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4419      compile_prog "$spice_cflags" "$spice_libs" ; then
4420     spice="yes"
4421     libs_softmmu="$libs_softmmu $spice_libs"
4422     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4423     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4424     spice_server_version=$($pkg_config --modversion spice-server)
4425   else
4426     if test "$spice" = "yes" ; then
4427       feature_not_found "spice" \
4428           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4429     fi
4430     spice="no"
4431   fi
4432 fi
4433
4434 # check for smartcard support
4435 if test "$smartcard" != "no"; then
4436     if $pkg_config libcacard; then
4437         libcacard_cflags=$($pkg_config --cflags libcacard)
4438         libcacard_libs=$($pkg_config --libs libcacard)
4439         smartcard="yes"
4440     else
4441         if test "$smartcard" = "yes"; then
4442             feature_not_found "smartcard" "Install libcacard devel"
4443         fi
4444         smartcard="no"
4445     fi
4446 fi
4447
4448 # check for libusb
4449 if test "$libusb" != "no" ; then
4450     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4451         libusb="yes"
4452         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4453         libusb_libs=$($pkg_config --libs libusb-1.0)
4454     else
4455         if test "$libusb" = "yes"; then
4456             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4457         fi
4458         libusb="no"
4459     fi
4460 fi
4461
4462 # check for usbredirparser for usb network redirection support
4463 if test "$usb_redir" != "no" ; then
4464     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4465         usb_redir="yes"
4466         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4467         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4468     else
4469         if test "$usb_redir" = "yes"; then
4470             feature_not_found "usb-redir" "Install usbredir devel"
4471         fi
4472         usb_redir="no"
4473     fi
4474 fi
4475
4476 ##########################################
4477 # check if we have VSS SDK headers for win
4478
4479 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4480   case "$vss_win32_sdk" in
4481     "")   vss_win32_include="-isystem $source_path" ;;
4482     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4483           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4484           vss_win32_include="-isystem $source_path/.sdk/vss"
4485           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4486           ;;
4487     *)    vss_win32_include="-isystem $vss_win32_sdk"
4488   esac
4489   cat > $TMPC << EOF
4490 #define __MIDL_user_allocate_free_DEFINED__
4491 #include <inc/win2003/vss.h>
4492 int main(void) { return VSS_CTX_BACKUP; }
4493 EOF
4494   if compile_prog "$vss_win32_include" "" ; then
4495     guest_agent_with_vss="yes"
4496     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4497     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4498     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4499   else
4500     if test "$vss_win32_sdk" != "" ; then
4501       echo "ERROR: Please download and install Microsoft VSS SDK:"
4502       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4503       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4504       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4505       echo "ERROR: The headers are extracted in the directory \`inc'."
4506       feature_not_found "VSS support"
4507     fi
4508     guest_agent_with_vss="no"
4509   fi
4510 fi
4511
4512 ##########################################
4513 # lookup Windows platform SDK (if not specified)
4514 # The SDK is needed only to build .tlb (type library) file of guest agent
4515 # VSS provider from the source. It is usually unnecessary because the
4516 # pre-compiled .tlb file is included.
4517
4518 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4519   if test -z "$win_sdk"; then
4520     programfiles="$PROGRAMFILES"
4521     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4522     if test -n "$programfiles"; then
4523       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4524     else
4525       feature_not_found "Windows SDK"
4526     fi
4527   elif test "$win_sdk" = "no"; then
4528     win_sdk=""
4529   fi
4530 fi
4531
4532 ##########################################
4533 # check if mingw environment provides a recent ntddscsi.h
4534 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4535   cat > $TMPC << EOF
4536 #include <windows.h>
4537 #include <ntddscsi.h>
4538 int main(void) {
4539 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4540 #error Missing required ioctl definitions
4541 #endif
4542   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4543   return addr.Lun;
4544 }
4545 EOF
4546   if compile_prog "" "" ; then
4547     guest_agent_ntddscsi=yes
4548     libs_qga="-lsetupapi $libs_qga"
4549   fi
4550 fi
4551
4552 ##########################################
4553 # virgl renderer probe
4554
4555 if test "$virglrenderer" != "no" ; then
4556   cat > $TMPC << EOF
4557 #include <virglrenderer.h>
4558 int main(void) { virgl_renderer_poll(); return 0; }
4559 EOF
4560   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4561   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4562   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4563      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4564     virglrenderer="yes"
4565   else
4566     if test "$virglrenderer" = "yes" ; then
4567       feature_not_found "virglrenderer"
4568     fi
4569     virglrenderer="no"
4570   fi
4571 fi
4572
4573 ##########################################
4574 # capstone
4575
4576 case "$capstone" in
4577   "" | yes)
4578     if $pkg_config capstone; then
4579       capstone=system
4580     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4581       capstone=git
4582     elif test -e "${source_path}/capstone/Makefile" ; then
4583       capstone=internal
4584     elif test -z "$capstone" ; then
4585       capstone=no
4586     else
4587       feature_not_found "capstone" "Install capstone devel or git submodule"
4588     fi
4589     ;;
4590
4591   system)
4592     if ! $pkg_config capstone; then
4593       feature_not_found "capstone" "Install capstone devel"
4594     fi
4595     ;;
4596 esac
4597
4598 case "$capstone" in
4599   git | internal)
4600     if test "$capstone" = git; then
4601       git_submodules="${git_submodules} capstone"
4602     fi
4603     mkdir -p capstone
4604     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4605     if test "$mingw32" = "yes"; then
4606       LIBCAPSTONE=capstone.lib
4607     else
4608       LIBCAPSTONE=libcapstone.a
4609     fi
4610     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4611     ;;
4612
4613   system)
4614     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4615     LIBS="$($pkg_config --libs capstone) $LIBS"
4616     ;;
4617
4618   no)
4619     ;;
4620   *)
4621     error_exit "Unknown state for capstone: $capstone"
4622     ;;
4623 esac
4624
4625 ##########################################
4626 # check if we have fdatasync
4627
4628 fdatasync=no
4629 cat > $TMPC << EOF
4630 #include <unistd.h>
4631 int main(void) {
4632 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4633 return fdatasync(0);
4634 #else
4635 #error Not supported
4636 #endif
4637 }
4638 EOF
4639 if compile_prog "" "" ; then
4640     fdatasync=yes
4641 fi
4642
4643 ##########################################
4644 # check if we have madvise
4645
4646 madvise=no
4647 cat > $TMPC << EOF
4648 #include <sys/types.h>
4649 #include <sys/mman.h>
4650 #include <stddef.h>
4651 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4652 EOF
4653 if compile_prog "" "" ; then
4654     madvise=yes
4655 fi
4656
4657 ##########################################
4658 # check if we have posix_madvise
4659
4660 posix_madvise=no
4661 cat > $TMPC << EOF
4662 #include <sys/mman.h>
4663 #include <stddef.h>
4664 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4665 EOF
4666 if compile_prog "" "" ; then
4667     posix_madvise=yes
4668 fi
4669
4670 ##########################################
4671 # check if we have posix_memalign()
4672
4673 posix_memalign=no
4674 cat > $TMPC << EOF
4675 #include <stdlib.h>
4676 int main(void) {
4677     void *p;
4678     return posix_memalign(&p, 8, 8);
4679 }
4680 EOF
4681 if compile_prog "" "" ; then
4682     posix_memalign=yes
4683 fi
4684
4685 ##########################################
4686 # check if we have posix_syslog
4687
4688 posix_syslog=no
4689 cat > $TMPC << EOF
4690 #include <syslog.h>
4691 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4692 EOF
4693 if compile_prog "" "" ; then
4694     posix_syslog=yes
4695 fi
4696
4697 ##########################################
4698 # check if we have sem_timedwait
4699
4700 sem_timedwait=no
4701 cat > $TMPC << EOF
4702 #include <semaphore.h>
4703 int main(void) { return sem_timedwait(0, 0); }
4704 EOF
4705 if compile_prog "" "" ; then
4706     sem_timedwait=yes
4707 fi
4708
4709 ##########################################
4710 # check if trace backend exists
4711
4712 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4713 if test "$?" -ne 0 ; then
4714   error_exit "invalid trace backends" \
4715       "Please choose supported trace backends."
4716 fi
4717
4718 ##########################################
4719 # For 'ust' backend, test if ust headers are present
4720 if have_backend "ust"; then
4721   cat > $TMPC << EOF
4722 #include <lttng/tracepoint.h>
4723 int main(void) { return 0; }
4724 EOF
4725   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4726     if $pkg_config lttng-ust --exists; then
4727       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4728     else
4729       lttng_ust_libs="-llttng-ust -ldl"
4730     fi
4731     if $pkg_config liburcu-bp --exists; then
4732       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4733     else
4734       urcu_bp_libs="-lurcu-bp"
4735     fi
4736
4737     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4738     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4739   else
4740     error_exit "Trace backend 'ust' missing lttng-ust header files"
4741   fi
4742 fi
4743
4744 ##########################################
4745 # For 'dtrace' backend, test if 'dtrace' command is present
4746 if have_backend "dtrace"; then
4747   if ! has 'dtrace' ; then
4748     error_exit "dtrace command is not found in PATH $PATH"
4749   fi
4750   trace_backend_stap="no"
4751   if has 'stap' ; then
4752     trace_backend_stap="yes"
4753   fi
4754 fi
4755
4756 ##########################################
4757 # check and set a backend for coroutine
4758
4759 # We prefer ucontext, but it's not always possible. The fallback
4760 # is sigcontext. On Windows the only valid backend is the Windows
4761 # specific one.
4762
4763 ucontext_works=no
4764 if test "$darwin" != "yes"; then
4765   cat > $TMPC << EOF
4766 #include <ucontext.h>
4767 #ifdef __stub_makecontext
4768 #error Ignoring glibc stub makecontext which will always fail
4769 #endif
4770 int main(void) { makecontext(0, 0, 0); return 0; }
4771 EOF
4772   if compile_prog "" "" ; then
4773     ucontext_works=yes
4774   fi
4775 fi
4776
4777 if test "$coroutine" = ""; then
4778   if test "$mingw32" = "yes"; then
4779     coroutine=win32
4780   elif test "$ucontext_works" = "yes"; then
4781     coroutine=ucontext
4782   else
4783     coroutine=sigaltstack
4784   fi
4785 else
4786   case $coroutine in
4787   windows)
4788     if test "$mingw32" != "yes"; then
4789       error_exit "'windows' coroutine backend only valid for Windows"
4790     fi
4791     # Unfortunately the user visible backend name doesn't match the
4792     # coroutine-*.c filename for this case, so we have to adjust it here.
4793     coroutine=win32
4794     ;;
4795   ucontext)
4796     if test "$ucontext_works" != "yes"; then
4797       feature_not_found "ucontext"
4798     fi
4799     ;;
4800   sigaltstack)
4801     if test "$mingw32" = "yes"; then
4802       error_exit "only the 'windows' coroutine backend is valid for Windows"
4803     fi
4804     ;;
4805   *)
4806     error_exit "unknown coroutine backend $coroutine"
4807     ;;
4808   esac
4809 fi
4810
4811 if test "$coroutine_pool" = ""; then
4812   coroutine_pool=yes
4813 fi
4814
4815 if test "$debug_stack_usage" = "yes"; then
4816   if test "$coroutine_pool" = "yes"; then
4817     echo "WARN: disabling coroutine pool for stack usage debugging"
4818     coroutine_pool=no
4819   fi
4820 fi
4821
4822
4823 ##########################################
4824 # check if we have open_by_handle_at
4825
4826 open_by_handle_at=no
4827 cat > $TMPC << EOF
4828 #include <fcntl.h>
4829 #if !defined(AT_EMPTY_PATH)
4830 # error missing definition
4831 #else
4832 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4833 #endif
4834 EOF
4835 if compile_prog "" "" ; then
4836     open_by_handle_at=yes
4837 fi
4838
4839 ########################################
4840 # check if we have linux/magic.h
4841
4842 linux_magic_h=no
4843 cat > $TMPC << EOF
4844 #include <linux/magic.h>
4845 int main(void) {
4846   return 0;
4847 }
4848 EOF
4849 if compile_prog "" "" ; then
4850     linux_magic_h=yes
4851 fi
4852
4853 ########################################
4854 # check whether we can disable warning option with a pragma (this is needed
4855 # to silence warnings in the headers of some versions of external libraries).
4856 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4857 # only a warning.
4858 #
4859 # If we can't selectively disable warning in the code, disable -Werror so that
4860 # the build doesn't fail anyway.
4861
4862 pragma_disable_unused_but_set=no
4863 cat > $TMPC << EOF
4864 #pragma GCC diagnostic push
4865 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4866 #pragma GCC diagnostic pop
4867
4868 int main(void) {
4869     return 0;
4870 }
4871 EOF
4872 if compile_prog "-Werror" "" ; then
4873     pragma_diagnostic_available=yes
4874 else
4875     werror=no
4876 fi
4877
4878 ########################################
4879 # check if we have valgrind/valgrind.h
4880
4881 valgrind_h=no
4882 cat > $TMPC << EOF
4883 #include <valgrind/valgrind.h>
4884 int main(void) {
4885   return 0;
4886 }
4887 EOF
4888 if compile_prog "" "" ; then
4889     valgrind_h=yes
4890 fi
4891
4892 ########################################
4893 # check if environ is declared
4894
4895 has_environ=no
4896 cat > $TMPC << EOF
4897 #include <unistd.h>
4898 int main(void) {
4899     environ = 0;
4900     return 0;
4901 }
4902 EOF
4903 if compile_prog "" "" ; then
4904     has_environ=yes
4905 fi
4906
4907 ########################################
4908 # check if cpuid.h is usable.
4909
4910 cat > $TMPC << EOF
4911 #include <cpuid.h>
4912 int main(void) {
4913     unsigned a, b, c, d;
4914     int max = __get_cpuid_max(0, 0);
4915
4916     if (max >= 1) {
4917         __cpuid(1, a, b, c, d);
4918     }
4919
4920     if (max >= 7) {
4921         __cpuid_count(7, 0, a, b, c, d);
4922     }
4923
4924     return 0;
4925 }
4926 EOF
4927 if compile_prog "" "" ; then
4928     cpuid_h=yes
4929 fi
4930
4931 ##########################################
4932 # avx2 optimization requirement check
4933 #
4934 # There is no point enabling this if cpuid.h is not usable,
4935 # since we won't be able to select the new routines.
4936
4937 if test $cpuid_h = yes; then
4938   cat > $TMPC << EOF
4939 #pragma GCC push_options
4940 #pragma GCC target("avx2")
4941 #include <cpuid.h>
4942 #include <immintrin.h>
4943 static int bar(void *a) {
4944     __m256i x = *(__m256i *)a;
4945     return _mm256_testz_si256(x, x);
4946 }
4947 int main(int argc, char *argv[]) { return bar(argv[0]); }
4948 EOF
4949   if compile_object "" ; then
4950     avx2_opt="yes"
4951   fi
4952 fi
4953
4954 ########################################
4955 # check if __[u]int128_t is usable.
4956
4957 int128=no
4958 cat > $TMPC << EOF
4959 #if defined(__clang_major__) && defined(__clang_minor__)
4960 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4961 #  error __int128_t does not work in CLANG before 3.2
4962 # endif
4963 #endif
4964 __int128_t a;
4965 __uint128_t b;
4966 int main (void) {
4967   a = a + b;
4968   b = a * b;
4969   a = a * a;
4970   return 0;
4971 }
4972 EOF
4973 if compile_prog "" "" ; then
4974     int128=yes
4975 fi
4976
4977 #########################################
4978 # See if 128-bit atomic operations are supported.
4979
4980 atomic128=no
4981 if test "$int128" = "yes"; then
4982   cat > $TMPC << EOF
4983 int main(void)
4984 {
4985   unsigned __int128 x = 0, y = 0;
4986   y = __atomic_load_16(&x, 0);
4987   __atomic_store_16(&x, y, 0);
4988   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4989   return 0;
4990 }
4991 EOF
4992   if compile_prog "" "" ; then
4993     atomic128=yes
4994   fi
4995 fi
4996
4997 #########################################
4998 # See if 64-bit atomic operations are supported.
4999 # Note that without __atomic builtins, we can only
5000 # assume atomic loads/stores max at pointer size.
5001
5002 cat > $TMPC << EOF
5003 #include <stdint.h>
5004 int main(void)
5005 {
5006   uint64_t x = 0, y = 0;
5007 #ifdef __ATOMIC_RELAXED
5008   y = __atomic_load_8(&x, 0);
5009   __atomic_store_8(&x, y, 0);
5010   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5011   __atomic_exchange_8(&x, y, 0);
5012   __atomic_fetch_add_8(&x, y, 0);
5013 #else
5014   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5015   __sync_lock_test_and_set(&x, y);
5016   __sync_val_compare_and_swap(&x, y, 0);
5017   __sync_fetch_and_add(&x, y);
5018 #endif
5019   return 0;
5020 }
5021 EOF
5022 if compile_prog "" "" ; then
5023   atomic64=yes
5024 fi
5025
5026 ########################################
5027 # See if 16-byte vector operations are supported.
5028 # Even without a vector unit the compiler may expand these.
5029 # There is a bug in old GCC for PPC that crashes here.
5030 # Unfortunately it's the system compiler for Centos 7.
5031
5032 cat > $TMPC << EOF
5033 typedef unsigned char U1 __attribute__((vector_size(16)));
5034 typedef unsigned short U2 __attribute__((vector_size(16)));
5035 typedef unsigned int U4 __attribute__((vector_size(16)));
5036 typedef unsigned long long U8 __attribute__((vector_size(16)));
5037 typedef signed char S1 __attribute__((vector_size(16)));
5038 typedef signed short S2 __attribute__((vector_size(16)));
5039 typedef signed int S4 __attribute__((vector_size(16)));
5040 typedef signed long long S8 __attribute__((vector_size(16)));
5041 static U1 a1, b1;
5042 static U2 a2, b2;
5043 static U4 a4, b4;
5044 static U8 a8, b8;
5045 static S1 c1;
5046 static S2 c2;
5047 static S4 c4;
5048 static S8 c8;
5049 static int i;
5050 int main(void)
5051 {
5052   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5053   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5054   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5055   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5056   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5057   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5058   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5059   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5060   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5061   return 0;
5062 }
5063 EOF
5064
5065 vector16=no
5066 if compile_prog "" "" ; then
5067   vector16=yes
5068 fi
5069
5070 ########################################
5071 # check if getauxval is available.
5072
5073 getauxval=no
5074 cat > $TMPC << EOF
5075 #include <sys/auxv.h>
5076 int main(void) {
5077   return getauxval(AT_HWCAP) == 0;
5078 }
5079 EOF
5080 if compile_prog "" "" ; then
5081     getauxval=yes
5082 fi
5083
5084 ########################################
5085 # check if ccache is interfering with
5086 # semantic analysis of macros
5087
5088 unset CCACHE_CPP2
5089 ccache_cpp2=no
5090 cat > $TMPC << EOF
5091 static const int Z = 1;
5092 #define fn() ({ Z; })
5093 #define TAUT(X) ((X) == Z)
5094 #define PAREN(X, Y) (X == Y)
5095 #define ID(X) (X)
5096 int main(int argc, char *argv[])
5097 {
5098     int x = 0, y = 0;
5099     x = ID(x);
5100     x = fn();
5101     fn();
5102     if (PAREN(x, y)) return 0;
5103     if (TAUT(Z)) return 0;
5104     return 0;
5105 }
5106 EOF
5107
5108 if ! compile_object "-Werror"; then
5109     ccache_cpp2=yes
5110 fi
5111
5112 #################################################
5113 # clang does not support glibc + FORTIFY_SOURCE.
5114
5115 if test "$fortify_source" != "no"; then
5116   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5117     fortify_source="no";
5118   elif test -n "$cxx" && has $cxx &&
5119        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5120     fortify_source="no";
5121   else
5122     fortify_source="yes"
5123   fi
5124 fi
5125
5126 ##########################################
5127 # check if struct fsxattr is available via linux/fs.h
5128
5129 have_fsxattr=no
5130 cat > $TMPC << EOF
5131 #include <linux/fs.h>
5132 struct fsxattr foo;
5133 int main(void) {
5134   return 0;
5135 }
5136 EOF
5137 if compile_prog "" "" ; then
5138     have_fsxattr=yes
5139 fi
5140
5141 ##########################################
5142 # check if rtnetlink.h exists and is useful
5143 have_rtnetlink=no
5144 cat > $TMPC << EOF
5145 #include <linux/rtnetlink.h>
5146 int main(void) {
5147   return IFLA_PROTO_DOWN;
5148 }
5149 EOF
5150 if compile_prog "" "" ; then
5151     have_rtnetlink=yes
5152 fi
5153
5154 ##########################################
5155 # check for usable AF_VSOCK environment
5156 have_af_vsock=no
5157 cat > $TMPC << EOF
5158 #include <errno.h>
5159 #include <sys/types.h>
5160 #include <sys/socket.h>
5161 #if !defined(AF_VSOCK)
5162 # error missing AF_VSOCK flag
5163 #endif
5164 #include <linux/vm_sockets.h>
5165 int main(void) {
5166     int sock, ret;
5167     struct sockaddr_vm svm;
5168     socklen_t len = sizeof(svm);
5169     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5170     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5171     if ((ret == -1) && (errno == ENOTCONN)) {
5172         return 0;
5173     }
5174     return -1;
5175 }
5176 EOF
5177 if compile_prog "" "" ; then
5178     have_af_vsock=yes
5179 fi
5180
5181 ##########################################
5182 # check for usable AF_ALG environment
5183 hava_afalg=no
5184 cat > $TMPC << EOF
5185 #include <errno.h>
5186 #include <sys/types.h>
5187 #include <sys/socket.h>
5188 #include <linux/if_alg.h>
5189 int main(void) {
5190     int sock;
5191     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5192     return sock;
5193 }
5194 EOF
5195 if compile_prog "" "" ; then
5196     have_afalg=yes
5197 fi
5198 if test "$crypto_afalg" = "yes"
5199 then
5200     if test "$have_afalg" != "yes"
5201     then
5202         error_exit "AF_ALG requested but could not be detected"
5203     fi
5204 fi
5205
5206
5207 #################################################
5208 # Check to see if we have the Hypervisor framework
5209 if [ "$darwin" = "yes" ] ; then
5210   cat > $TMPC << EOF
5211 #include <Hypervisor/hv.h>
5212 int main() { return 0;}
5213 EOF
5214   if ! compile_object ""; then
5215     hvf='no'
5216   else
5217     hvf='yes'
5218     LDFLAGS="-framework Hypervisor $LDFLAGS"
5219   fi
5220 fi
5221
5222 #################################################
5223 # Sparc implicitly links with --relax, which is
5224 # incompatible with -r, so --no-relax should be
5225 # given. It does no harm to give it on other
5226 # platforms too.
5227
5228 # Note: the prototype is needed since QEMU_CFLAGS
5229 #       contains -Wmissing-prototypes
5230 cat > $TMPC << EOF
5231 extern int foo(void);
5232 int foo(void) { return 0; }
5233 EOF
5234 if ! compile_object ""; then
5235   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5236 fi
5237 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5238   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5239     LD_REL_FLAGS=$i
5240     break
5241   fi
5242 done
5243 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5244   feature_not_found "modules" "Cannot find how to build relocatable objects"
5245 fi
5246
5247 ##########################################
5248 # check for sysmacros.h
5249
5250 have_sysmacros=no
5251 cat > $TMPC << EOF
5252 #include <sys/sysmacros.h>
5253 int main(void) {
5254     return makedev(0, 0);
5255 }
5256 EOF
5257 if compile_prog "" "" ; then
5258     have_sysmacros=yes
5259 fi
5260
5261 ##########################################
5262 # Veritas HyperScale block driver VxHS
5263 # Check if libvxhs is installed
5264
5265 if test "$vxhs" != "no" ; then
5266   cat > $TMPC <<EOF
5267 #include <stdint.h>
5268 #include <qnio/qnio_api.h>
5269
5270 void *vxhs_callback;
5271
5272 int main(void) {
5273     iio_init(QNIO_VERSION, vxhs_callback);
5274     return 0;
5275 }
5276 EOF
5277   vxhs_libs="-lvxhs -lssl"
5278   if compile_prog "" "$vxhs_libs" ; then
5279     vxhs=yes
5280   else
5281     if test "$vxhs" = "yes" ; then
5282       feature_not_found "vxhs block device" "Install libvxhs See github"
5283     fi
5284     vxhs=no
5285   fi
5286 fi
5287
5288 ##########################################
5289 # check for _Static_assert()
5290
5291 have_static_assert=no
5292 cat > $TMPC << EOF
5293 _Static_assert(1, "success");
5294 int main(void) {
5295     return 0;
5296 }
5297 EOF
5298 if compile_prog "" "" ; then
5299     have_static_assert=yes
5300 fi
5301
5302 ##########################################
5303 # check for utmpx.h, it is missing e.g. on OpenBSD
5304
5305 have_utmpx=no
5306 cat > $TMPC << EOF
5307 #include <utmpx.h>
5308 struct utmpx user_info;
5309 int main(void) {
5310     return 0;
5311 }
5312 EOF
5313 if compile_prog "" "" ; then
5314     have_utmpx=yes
5315 fi
5316
5317 ##########################################
5318 # checks for sanitizers
5319
5320 have_asan=no
5321 have_ubsan=no
5322 have_asan_iface_h=no
5323 have_asan_iface_fiber=no
5324
5325 if test "$sanitizers" = "yes" ; then
5326   write_c_skeleton
5327   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5328       have_asan=yes
5329   fi
5330
5331   # we could use a simple skeleton for flags checks, but this also
5332   # detect the static linking issue of ubsan, see also:
5333   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5334   cat > $TMPC << EOF
5335 #include <stdlib.h>
5336 int main(void) {
5337     void *tmp = malloc(10);
5338     return *(int *)(tmp + 2);
5339 }
5340 EOF
5341   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5342       have_ubsan=yes
5343   fi
5344
5345   if check_include "sanitizer/asan_interface.h" ; then
5346       have_asan_iface_h=yes
5347   fi
5348
5349   cat > $TMPC << EOF
5350 #include <sanitizer/asan_interface.h>
5351 int main(void) {
5352   __sanitizer_start_switch_fiber(0, 0, 0);
5353   return 0;
5354 }
5355 EOF
5356   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5357       have_asan_iface_fiber=yes
5358   fi
5359 fi
5360
5361 ##########################################
5362 # End of CC checks
5363 # After here, no more $cc or $ld runs
5364
5365 write_c_skeleton
5366
5367 if test "$gcov" = "yes" ; then
5368   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5369   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5370 elif test "$fortify_source" = "yes" ; then
5371   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5372 elif test "$debug" = "no"; then
5373   CFLAGS="-O2 $CFLAGS"
5374 fi
5375
5376 if test "$have_asan" = "yes"; then
5377   CFLAGS="-fsanitize=address $CFLAGS"
5378   if test "$have_asan_iface_h" = "no" ; then
5379       echo "ASAN build enabled, but ASAN header missing." \
5380            "Without code annotation, the report may be inferior."
5381   elif test "$have_asan_iface_fiber" = "no" ; then
5382       echo "ASAN build enabled, but ASAN header is too old." \
5383            "Without code annotation, the report may be inferior."
5384   fi
5385 fi
5386 if test "$have_ubsan" = "yes"; then
5387   CFLAGS="-fsanitize=undefined $CFLAGS"
5388 fi
5389
5390 ##########################################
5391 # Do we have libnfs
5392 if test "$libnfs" != "no" ; then
5393   if $pkg_config --atleast-version=1.9.3 libnfs; then
5394     libnfs="yes"
5395     libnfs_libs=$($pkg_config --libs libnfs)
5396   else
5397     if test "$libnfs" = "yes" ; then
5398       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5399     fi
5400     libnfs="no"
5401   fi
5402 fi
5403
5404 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5405 if test "$werror" = "yes"; then
5406     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5407 fi
5408
5409 if test "$solaris" = "no" ; then
5410     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5411         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5412     fi
5413 fi
5414
5415 # test if pod2man has --utf8 option
5416 if pod2man --help | grep -q utf8; then
5417     POD2MAN="pod2man --utf8"
5418 else
5419     POD2MAN="pod2man"
5420 fi
5421
5422 # Use ASLR, no-SEH and DEP if available
5423 if test "$mingw32" = "yes" ; then
5424     for flag in --dynamicbase --no-seh --nxcompat; do
5425         if ld_has $flag ; then
5426             LDFLAGS="-Wl,$flag $LDFLAGS"
5427         fi
5428     done
5429 fi
5430
5431 qemu_confdir=$sysconfdir$confsuffix
5432 qemu_moddir=$libdir$confsuffix
5433 qemu_datadir=$datadir$confsuffix
5434 qemu_localedir="$datadir/locale"
5435
5436 # We can only support ivshmem if we have eventfd
5437 if [ "$eventfd" = "yes" ]; then
5438   ivshmem=yes
5439 fi
5440
5441 tools=""
5442 if test "$want_tools" = "yes" ; then
5443   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5444   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5445     tools="qemu-nbd\$(EXESUF) $tools"
5446   fi
5447   if [ "$ivshmem" = "yes" ]; then
5448     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5449   fi
5450 fi
5451 if test "$softmmu" = yes ; then
5452   if test "$linux" = yes; then
5453     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5454       virtfs=yes
5455       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5456     else
5457       if test "$virtfs" = yes; then
5458         error_exit "VirtFS requires libcap devel and libattr devel"
5459       fi
5460       virtfs=no
5461     fi
5462     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5463       mpath=yes
5464     else
5465       if test "$mpath" = yes; then
5466         error_exit "Multipath requires libmpathpersist devel"
5467       fi
5468       mpath=no
5469     fi
5470     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5471   else
5472     if test "$virtfs" = yes; then
5473       error_exit "VirtFS is supported only on Linux"
5474     fi
5475     virtfs=no
5476     if test "$mpath" = yes; then
5477       error_exit "Multipath is supported only on Linux"
5478     fi
5479     mpath=no
5480   fi
5481   if test "$xkbcommon" = "yes"; then
5482     tools="qemu-keymap\$(EXESUF) $tools"
5483   fi
5484 fi
5485
5486 # Probe for guest agent support/options
5487
5488 if [ "$guest_agent" != "no" ]; then
5489   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5490       tools="qemu-ga $tools"
5491       guest_agent=yes
5492   elif [ "$guest_agent" != yes ]; then
5493       guest_agent=no
5494   else
5495       error_exit "Guest agent is not supported on this platform"
5496   fi
5497 fi
5498
5499 # Guest agent Window MSI  package
5500
5501 if test "$guest_agent" != yes; then
5502   if test "$guest_agent_msi" = yes; then
5503     error_exit "MSI guest agent package requires guest agent enabled"
5504   fi
5505   guest_agent_msi=no
5506 elif test "$mingw32" != "yes"; then
5507   if test "$guest_agent_msi" = "yes"; then
5508     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5509   fi
5510   guest_agent_msi=no
5511 elif ! has wixl; then
5512   if test "$guest_agent_msi" = "yes"; then
5513     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5514   fi
5515   guest_agent_msi=no
5516 else
5517   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5518   # disabled explicitly
5519   if test "$guest_agent_msi" != "no"; then
5520     guest_agent_msi=yes
5521   fi
5522 fi
5523
5524 if test "$guest_agent_msi" = "yes"; then
5525   if test "$guest_agent_with_vss" = "yes"; then
5526     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5527   fi
5528
5529   if test "$QEMU_GA_MANUFACTURER" = ""; then
5530     QEMU_GA_MANUFACTURER=QEMU
5531   fi
5532
5533   if test "$QEMU_GA_DISTRO" = ""; then
5534     QEMU_GA_DISTRO=Linux
5535   fi
5536
5537   if test "$QEMU_GA_VERSION" = ""; then
5538       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5539   fi
5540
5541   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5542
5543   case "$cpu" in
5544   x86_64)
5545     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5546     ;;
5547   i386)
5548     QEMU_GA_MSI_ARCH="-D Arch=32"
5549     ;;
5550   *)
5551     error_exit "CPU $cpu not supported for building installation package"
5552     ;;
5553   esac
5554 fi
5555
5556 # Mac OS X ships with a broken assembler
5557 roms=
5558 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5559         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5560         "$softmmu" = yes ; then
5561     # Different host OS linkers have different ideas about the name of the ELF
5562     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5563     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5564     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5565         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5566             ld_i386_emulation="$emu"
5567             roms="optionrom"
5568             break
5569         fi
5570     done
5571 fi
5572 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5573   roms="$roms spapr-rtas"
5574 fi
5575
5576 if test "$cpu" = "s390x" ; then
5577   roms="$roms s390-ccw"
5578 fi
5579
5580 # Probe for the need for relocating the user-only binary.
5581 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5582   textseg_addr=
5583   case "$cpu" in
5584     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5585       # ??? Rationale for choosing this address
5586       textseg_addr=0x60000000
5587       ;;
5588     mips)
5589       # A 256M aligned address, high in the address space, with enough
5590       # room for the code_gen_buffer above it before the stack.
5591       textseg_addr=0x60000000
5592       ;;
5593   esac
5594   if [ -n "$textseg_addr" ]; then
5595     cat > $TMPC <<EOF
5596     int main(void) { return 0; }
5597 EOF
5598     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5599     if ! compile_prog "" "$textseg_ldflags"; then
5600       # In case ld does not support -Ttext-segment, edit the default linker
5601       # script via sed to set the .text start addr.  This is needed on FreeBSD
5602       # at least.
5603       if ! $ld --verbose >/dev/null 2>&1; then
5604         error_exit \
5605             "We need to link the QEMU user mode binaries at a" \
5606             "specific text address. Unfortunately your linker" \
5607             "doesn't support either the -Ttext-segment option or" \
5608             "printing the default linker script with --verbose." \
5609             "If you don't want the user mode binaries, pass the" \
5610             "--disable-user option to configure."
5611       fi
5612
5613       $ld --verbose | sed \
5614         -e '1,/==================================================/d' \
5615         -e '/==================================================/,$d' \
5616         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5617         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5618       textseg_ldflags="-Wl,-T../config-host.ld"
5619     fi
5620   fi
5621 fi
5622
5623 # Check that the C++ compiler exists and works with the C compiler.
5624 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5625 if has $cxx; then
5626     cat > $TMPC <<EOF
5627 int c_function(void);
5628 int main(void) { return c_function(); }
5629 EOF
5630
5631     compile_object
5632
5633     cat > $TMPCXX <<EOF
5634 extern "C" {
5635    int c_function(void);
5636 }
5637 int c_function(void) { return 42; }
5638 EOF
5639
5640     update_cxxflags
5641
5642     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5643         # C++ compiler $cxx works ok with C compiler $cc
5644         :
5645     else
5646         echo "C++ compiler $cxx does not work with C compiler $cc"
5647         echo "Disabling C++ specific optional code"
5648         cxx=
5649     fi
5650 else
5651     echo "No C++ compiler available; disabling C++ specific optional code"
5652     cxx=
5653 fi
5654
5655 echo_version() {
5656     if test "$1" = "yes" ; then
5657         echo "($2)"
5658     fi
5659 }
5660
5661 # prepend pixman and ftd flags after all config tests are done
5662 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5663 libs_softmmu="$pixman_libs $libs_softmmu"
5664
5665 echo "Install prefix    $prefix"
5666 echo "BIOS directory    $(eval echo $qemu_datadir)"
5667 echo "firmware path     $(eval echo $firmwarepath)"
5668 echo "binary directory  $(eval echo $bindir)"
5669 echo "library directory $(eval echo $libdir)"
5670 echo "module directory  $(eval echo $qemu_moddir)"
5671 echo "libexec directory $(eval echo $libexecdir)"
5672 echo "include directory $(eval echo $includedir)"
5673 echo "config directory  $(eval echo $sysconfdir)"
5674 if test "$mingw32" = "no" ; then
5675 echo "local state directory   $(eval echo $local_statedir)"
5676 echo "Manual directory  $(eval echo $mandir)"
5677 echo "ELF interp prefix $interp_prefix"
5678 else
5679 echo "local state directory   queried at runtime"
5680 echo "Windows SDK       $win_sdk"
5681 fi
5682 echo "Source path       $source_path"
5683 echo "GIT binary        $git"
5684 echo "GIT submodules    $git_submodules"
5685 echo "C compiler        $cc"
5686 echo "Host C compiler   $host_cc"
5687 echo "C++ compiler      $cxx"
5688 echo "Objective-C compiler $objcc"
5689 echo "ARFLAGS           $ARFLAGS"
5690 echo "CFLAGS            $CFLAGS"
5691 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5692 echo "LDFLAGS           $LDFLAGS"
5693 echo "make              $make"
5694 echo "install           $install"
5695 echo "python            $python"
5696 if test "$slirp" = "yes" ; then
5697     echo "smbd              $smbd"
5698 fi
5699 echo "module support    $modules"
5700 echo "host CPU          $cpu"
5701 echo "host big endian   $bigendian"
5702 echo "target list       $target_list"
5703 echo "gprof enabled     $gprof"
5704 echo "sparse enabled    $sparse"
5705 echo "strip binaries    $strip_opt"
5706 echo "profiler          $profiler"
5707 echo "static build      $static"
5708 if test "$darwin" = "yes" ; then
5709     echo "Cocoa support     $cocoa"
5710 fi
5711 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5712 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5713 echo "GTK GL support    $gtk_gl"
5714 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5715 echo "TLS priority      $tls_priority"
5716 echo "GNUTLS support    $gnutls"
5717 echo "GNUTLS rnd        $gnutls_rnd"
5718 echo "libgcrypt         $gcrypt"
5719 echo "libgcrypt kdf     $gcrypt_kdf"
5720 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5721 echo "nettle kdf        $nettle_kdf"
5722 echo "libtasn1          $tasn1"
5723 echo "curses support    $curses"
5724 echo "virgl support     $virglrenderer"
5725 echo "curl support      $curl"
5726 echo "mingw32 support   $mingw32"
5727 echo "Audio drivers     $audio_drv_list"
5728 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5729 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5730 echo "VirtFS support    $virtfs"
5731 echo "Multipath support $mpath"
5732 echo "VNC support       $vnc"
5733 if test "$vnc" = "yes" ; then
5734     echo "VNC SASL support  $vnc_sasl"
5735     echo "VNC JPEG support  $vnc_jpeg"
5736     echo "VNC PNG support   $vnc_png"
5737 fi
5738 if test -n "$sparc_cpu"; then
5739     echo "Target Sparc Arch $sparc_cpu"
5740 fi
5741 echo "xen support       $xen"
5742 if test "$xen" = "yes" ; then
5743   echo "xen ctrl version  $xen_ctrl_version"
5744   echo "pv dom build      $xen_pv_domain_build"
5745 fi
5746 echo "brlapi support    $brlapi"
5747 echo "bluez  support    $bluez"
5748 echo "Documentation     $docs"
5749 echo "PIE               $pie"
5750 echo "vde support       $vde"
5751 echo "netmap support    $netmap"
5752 echo "Linux AIO support $linux_aio"
5753 echo "ATTR/XATTR support $attr"
5754 echo "Install blobs     $blobs"
5755 echo "KVM support       $kvm"
5756 echo "HAX support       $hax"
5757 echo "HVF support       $hvf"
5758 echo "WHPX support      $whpx"
5759 echo "TCG support       $tcg"
5760 if test "$tcg" = "yes" ; then
5761     echo "TCG debug enabled $debug_tcg"
5762     echo "TCG interpreter   $tcg_interpreter"
5763 fi
5764 echo "malloc trim support $malloc_trim"
5765 echo "RDMA support      $rdma"
5766 echo "fdt support       $fdt"
5767 echo "preadv support    $preadv"
5768 echo "fdatasync         $fdatasync"
5769 echo "madvise           $madvise"
5770 echo "posix_madvise     $posix_madvise"
5771 echo "posix_memalign    $posix_memalign"
5772 echo "libcap-ng support $cap_ng"
5773 echo "vhost-net support $vhost_net"
5774 echo "vhost-crypto support $vhost_crypto"
5775 echo "vhost-scsi support $vhost_scsi"
5776 echo "vhost-vsock support $vhost_vsock"
5777 echo "vhost-user support $vhost_user"
5778 echo "Trace backends    $trace_backends"
5779 if have_backend "simple"; then
5780 echo "Trace output file $trace_file-<pid>"
5781 fi
5782 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5783 echo "rbd support       $rbd"
5784 echo "xfsctl support    $xfs"
5785 echo "smartcard support $smartcard"
5786 echo "libusb            $libusb"
5787 echo "usb net redir     $usb_redir"
5788 echo "OpenGL support    $opengl"
5789 echo "OpenGL dmabufs    $opengl_dmabuf"
5790 echo "libiscsi support  $libiscsi"
5791 echo "libnfs support    $libnfs"
5792 echo "build guest agent $guest_agent"
5793 echo "QGA VSS support   $guest_agent_with_vss"
5794 echo "QGA w32 disk info $guest_agent_ntddscsi"
5795 echo "QGA MSI support   $guest_agent_msi"
5796 echo "seccomp support   $seccomp"
5797 echo "coroutine backend $coroutine"
5798 echo "coroutine pool    $coroutine_pool"
5799 echo "debug stack usage $debug_stack_usage"
5800 echo "crypto afalg      $crypto_afalg"
5801 echo "GlusterFS support $glusterfs"
5802 echo "gcov              $gcov_tool"
5803 echo "gcov enabled      $gcov"
5804 echo "TPM support       $tpm"
5805 echo "libssh2 support   $libssh2"
5806 echo "TPM passthrough   $tpm_passthrough"
5807 echo "TPM emulator      $tpm_emulator"
5808 echo "QOM debugging     $qom_cast_debug"
5809 echo "Live block migration $live_block_migration"
5810 echo "lzo support       $lzo"
5811 echo "snappy support    $snappy"
5812 echo "bzip2 support     $bzip2"
5813 echo "NUMA host support $numa"
5814 echo "libxml2           $libxml2"
5815 echo "tcmalloc support  $tcmalloc"
5816 echo "jemalloc support  $jemalloc"
5817 echo "avx2 optimization $avx2_opt"
5818 echo "replication support $replication"
5819 echo "VxHS block device $vxhs"
5820 echo "capstone          $capstone"
5821
5822 if test "$sdl_too_old" = "yes"; then
5823 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5824 fi
5825
5826 if test "$gtkabi" = "2.0"; then
5827     echo
5828     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5829     echo "WARNING: future releases. Please switch to using GTK 3.0"
5830 fi
5831
5832 if test "$sdlabi" = "1.2"; then
5833     echo
5834     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5835     echo "WARNING: future releases. Please switch to using SDL 2.0"
5836 fi
5837
5838 if test "$supported_cpu" = "no"; then
5839     echo
5840     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5841     echo
5842     echo "CPU host architecture $cpu support is not currently maintained."
5843     echo "The QEMU project intends to remove support for this host CPU in"
5844     echo "a future release if nobody volunteers to maintain it and to"
5845     echo "provide a build host for our continuous integration setup."
5846     echo "configure has succeeded and you can continue to build, but"
5847     echo "if you care about QEMU on this platform you should contact"
5848     echo "us upstream at qemu-devel@nongnu.org."
5849 fi
5850
5851 if test "$supported_os" = "no"; then
5852     echo
5853     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5854     echo
5855     echo "Host OS $targetos support is not currently maintained."
5856     echo "The QEMU project intends to remove support for this host OS in"
5857     echo "a future release if nobody volunteers to maintain it and to"
5858     echo "provide a build host for our continuous integration setup."
5859     echo "configure has succeeded and you can continue to build, but"
5860     echo "if you care about QEMU on this platform you should contact"
5861     echo "us upstream at qemu-devel@nongnu.org."
5862 fi
5863
5864 config_host_mak="config-host.mak"
5865
5866 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5867
5868 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5869 echo >> $config_host_mak
5870
5871 echo all: >> $config_host_mak
5872 echo "prefix=$prefix" >> $config_host_mak
5873 echo "bindir=$bindir" >> $config_host_mak
5874 echo "libdir=$libdir" >> $config_host_mak
5875 echo "libexecdir=$libexecdir" >> $config_host_mak
5876 echo "includedir=$includedir" >> $config_host_mak
5877 echo "mandir=$mandir" >> $config_host_mak
5878 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5879 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5880 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5881 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5882 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5883 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5884 if test "$mingw32" = "no" ; then
5885   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5886 fi
5887 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5888 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5889 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5890 echo "GIT=$git" >> $config_host_mak
5891 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5892 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5893
5894 echo "ARCH=$ARCH" >> $config_host_mak
5895
5896 if test "$debug_tcg" = "yes" ; then
5897   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5898 fi
5899 if test "$strip_opt" = "yes" ; then
5900   echo "STRIP=${strip}" >> $config_host_mak
5901 fi
5902 if test "$bigendian" = "yes" ; then
5903   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5904 fi
5905 if test "$mingw32" = "yes" ; then
5906   echo "CONFIG_WIN32=y" >> $config_host_mak
5907   rc_version=$(cat $source_path/VERSION)
5908   version_major=${rc_version%%.*}
5909   rc_version=${rc_version#*.}
5910   version_minor=${rc_version%%.*}
5911   rc_version=${rc_version#*.}
5912   version_subminor=${rc_version%%.*}
5913   version_micro=0
5914   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5915   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5916   if test "$guest_agent_with_vss" = "yes" ; then
5917     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5918     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5919     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5920   fi
5921   if test "$guest_agent_ntddscsi" = "yes" ; then
5922     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5923   fi
5924   if test "$guest_agent_msi" = "yes"; then
5925     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5926     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5927     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5928     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5929     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5930     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5931     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5932   fi
5933 else
5934   echo "CONFIG_POSIX=y" >> $config_host_mak
5935 fi
5936
5937 if test "$linux" = "yes" ; then
5938   echo "CONFIG_LINUX=y" >> $config_host_mak
5939 fi
5940
5941 if test "$darwin" = "yes" ; then
5942   echo "CONFIG_DARWIN=y" >> $config_host_mak
5943 fi
5944
5945 if test "$solaris" = "yes" ; then
5946   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5947 fi
5948 if test "$haiku" = "yes" ; then
5949   echo "CONFIG_HAIKU=y" >> $config_host_mak
5950 fi
5951 if test "$static" = "yes" ; then
5952   echo "CONFIG_STATIC=y" >> $config_host_mak
5953 fi
5954 if test "$profiler" = "yes" ; then
5955   echo "CONFIG_PROFILER=y" >> $config_host_mak
5956 fi
5957 if test "$slirp" = "yes" ; then
5958   echo "CONFIG_SLIRP=y" >> $config_host_mak
5959   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5960 fi
5961 if test "$vde" = "yes" ; then
5962   echo "CONFIG_VDE=y" >> $config_host_mak
5963   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
5964 fi
5965 if test "$netmap" = "yes" ; then
5966   echo "CONFIG_NETMAP=y" >> $config_host_mak
5967 fi
5968 if test "$l2tpv3" = "yes" ; then
5969   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5970 fi
5971 if test "$cap_ng" = "yes" ; then
5972   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5973 fi
5974 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5975 for drv in $audio_drv_list; do
5976     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5977     echo "$def=y" >> $config_host_mak
5978 done
5979 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
5980 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
5981 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
5982 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
5983 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
5984 if test "$audio_pt_int" = "yes" ; then
5985   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5986 fi
5987 if test "$audio_win_int" = "yes" ; then
5988   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5989 fi
5990 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5991 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5992 if test "$vnc" = "yes" ; then
5993   echo "CONFIG_VNC=y" >> $config_host_mak
5994 fi
5995 if test "$vnc_sasl" = "yes" ; then
5996   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5997 fi
5998 if test "$vnc_jpeg" = "yes" ; then
5999   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6000 fi
6001 if test "$vnc_png" = "yes" ; then
6002   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6003 fi
6004 if test "$xkbcommon" = "yes" ; then
6005   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6006   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6007 fi
6008 if test "$fnmatch" = "yes" ; then
6009   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6010 fi
6011 if test "$xfs" = "yes" ; then
6012   echo "CONFIG_XFS=y" >> $config_host_mak
6013 fi
6014 qemu_version=$(head $source_path/VERSION)
6015 echo "VERSION=$qemu_version" >>$config_host_mak
6016 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6017 echo "SRC_PATH=$source_path" >> $config_host_mak
6018 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6019 if [ "$docs" = "yes" ] ; then
6020   echo "BUILD_DOCS=yes" >> $config_host_mak
6021 fi
6022 if test "$modules" = "yes"; then
6023   # $shacmd can generate a hash started with digit, which the compiler doesn't
6024   # like as an symbol. So prefix it with an underscore
6025   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6026   echo "CONFIG_MODULES=y" >> $config_host_mak
6027 fi
6028 if test "$have_x11" = "yes" -a "$need_x11" = "yes"; then
6029   echo "CONFIG_X11=y" >> $config_host_mak
6030   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6031   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6032 fi
6033 if test "$sdl" = "yes" ; then
6034   echo "CONFIG_SDL=m" >> $config_host_mak
6035   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6036   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6037   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6038 fi
6039 if test "$cocoa" = "yes" ; then
6040   echo "CONFIG_COCOA=y" >> $config_host_mak
6041 fi
6042 if test "$curses" = "yes" ; then
6043   echo "CONFIG_CURSES=m" >> $config_host_mak
6044   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6045   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6046 fi
6047 if test "$pipe2" = "yes" ; then
6048   echo "CONFIG_PIPE2=y" >> $config_host_mak
6049 fi
6050 if test "$accept4" = "yes" ; then
6051   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6052 fi
6053 if test "$splice" = "yes" ; then
6054   echo "CONFIG_SPLICE=y" >> $config_host_mak
6055 fi
6056 if test "$eventfd" = "yes" ; then
6057   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6058 fi
6059 if test "$memfd" = "yes" ; then
6060   echo "CONFIG_MEMFD=y" >> $config_host_mak
6061 fi
6062 if test "$fallocate" = "yes" ; then
6063   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6064 fi
6065 if test "$fallocate_punch_hole" = "yes" ; then
6066   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6067 fi
6068 if test "$fallocate_zero_range" = "yes" ; then
6069   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6070 fi
6071 if test "$posix_fallocate" = "yes" ; then
6072   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6073 fi
6074 if test "$sync_file_range" = "yes" ; then
6075   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6076 fi
6077 if test "$fiemap" = "yes" ; then
6078   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6079 fi
6080 if test "$dup3" = "yes" ; then
6081   echo "CONFIG_DUP3=y" >> $config_host_mak
6082 fi
6083 if test "$ppoll" = "yes" ; then
6084   echo "CONFIG_PPOLL=y" >> $config_host_mak
6085 fi
6086 if test "$prctl_pr_set_timerslack" = "yes" ; then
6087   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6088 fi
6089 if test "$epoll" = "yes" ; then
6090   echo "CONFIG_EPOLL=y" >> $config_host_mak
6091 fi
6092 if test "$epoll_create1" = "yes" ; then
6093   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6094 fi
6095 if test "$sendfile" = "yes" ; then
6096   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6097 fi
6098 if test "$timerfd" = "yes" ; then
6099   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6100 fi
6101 if test "$setns" = "yes" ; then
6102   echo "CONFIG_SETNS=y" >> $config_host_mak
6103 fi
6104 if test "$clock_adjtime" = "yes" ; then
6105   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6106 fi
6107 if test "$syncfs" = "yes" ; then
6108   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6109 fi
6110 if test "$inotify" = "yes" ; then
6111   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6112 fi
6113 if test "$inotify1" = "yes" ; then
6114   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6115 fi
6116 if test "$sem_timedwait" = "yes" ; then
6117   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6118 fi
6119 if test "$byteswap_h" = "yes" ; then
6120   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6121 fi
6122 if test "$bswap_h" = "yes" ; then
6123   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6124 fi
6125 if test "$curl" = "yes" ; then
6126   echo "CONFIG_CURL=m" >> $config_host_mak
6127   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6128   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6129 fi
6130 if test "$brlapi" = "yes" ; then
6131   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6132   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6133 fi
6134 if test "$bluez" = "yes" ; then
6135   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6136   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6137 fi
6138 if test "$glib_subprocess" = "yes" ; then
6139   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6140 fi
6141 if test "$gtk" = "yes" ; then
6142   echo "CONFIG_GTK=m" >> $config_host_mak
6143   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6144   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6145   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6146   if test "$gtk_gl" = "yes" ; then
6147     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6148   fi
6149 fi
6150 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6151 if test "$gnutls" = "yes" ; then
6152   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6153 fi
6154 if test "$gnutls_rnd" = "yes" ; then
6155   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6156 fi
6157 if test "$gcrypt" = "yes" ; then
6158   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6159   if test "$gcrypt_hmac" = "yes" ; then
6160     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6161   fi
6162   if test "$gcrypt_kdf" = "yes" ; then
6163     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6164   fi
6165 fi
6166 if test "$nettle" = "yes" ; then
6167   echo "CONFIG_NETTLE=y" >> $config_host_mak
6168   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6169   if test "$nettle_kdf" = "yes" ; then
6170     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6171   fi
6172 fi
6173 if test "$tasn1" = "yes" ; then
6174   echo "CONFIG_TASN1=y" >> $config_host_mak
6175 fi
6176 if test "$have_ifaddrs_h" = "yes" ; then
6177     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6178 fi
6179 if test "$have_broken_size_max" = "yes" ; then
6180     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6181 fi
6182
6183 # Work around a system header bug with some kernel/XFS header
6184 # versions where they both try to define 'struct fsxattr':
6185 # xfs headers will not try to redefine structs from linux headers
6186 # if this macro is set.
6187 if test "$have_fsxattr" = "yes" ; then
6188     echo "HAVE_FSXATTR=y" >> $config_host_mak
6189 fi
6190 if test "$vte" = "yes" ; then
6191   echo "CONFIG_VTE=y" >> $config_host_mak
6192   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6193   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6194 fi
6195 if test "$virglrenderer" = "yes" ; then
6196   echo "CONFIG_VIRGL=y" >> $config_host_mak
6197   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6198   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6199 fi
6200 if test "$xen" = "yes" ; then
6201   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6202   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6203   if test "$xen_pv_domain_build" = "yes" ; then
6204     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6205   fi
6206 fi
6207 if test "$linux_aio" = "yes" ; then
6208   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6209 fi
6210 if test "$attr" = "yes" ; then
6211   echo "CONFIG_ATTR=y" >> $config_host_mak
6212 fi
6213 if test "$libattr" = "yes" ; then
6214   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6215 fi
6216 if test "$virtfs" = "yes" ; then
6217   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6218 fi
6219 if test "$mpath" = "yes" ; then
6220   echo "CONFIG_MPATH=y" >> $config_host_mak
6221 fi
6222 if test "$vhost_scsi" = "yes" ; then
6223   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6224 fi
6225 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6226   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6227 fi
6228 if test "$vhost_crypto" = "yes" ; then
6229   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6230 fi
6231 if test "$vhost_vsock" = "yes" ; then
6232   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6233 fi
6234 if test "$vhost_user" = "yes" ; then
6235   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6236 fi
6237 if test "$blobs" = "yes" ; then
6238   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6239 fi
6240 if test "$iovec" = "yes" ; then
6241   echo "CONFIG_IOVEC=y" >> $config_host_mak
6242 fi
6243 if test "$preadv" = "yes" ; then
6244   echo "CONFIG_PREADV=y" >> $config_host_mak
6245 fi
6246 if test "$fdt" = "yes" ; then
6247   echo "CONFIG_FDT=y" >> $config_host_mak
6248 fi
6249 if test "$signalfd" = "yes" ; then
6250   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6251 fi
6252 if test "$tcg" = "yes"; then
6253   echo "CONFIG_TCG=y" >> $config_host_mak
6254   if test "$tcg_interpreter" = "yes" ; then
6255     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6256   fi
6257 fi
6258 if test "$fdatasync" = "yes" ; then
6259   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6260 fi
6261 if test "$madvise" = "yes" ; then
6262   echo "CONFIG_MADVISE=y" >> $config_host_mak
6263 fi
6264 if test "$posix_madvise" = "yes" ; then
6265   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6266 fi
6267 if test "$posix_memalign" = "yes" ; then
6268   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6269 fi
6270
6271 if test "$spice" = "yes" ; then
6272   echo "CONFIG_SPICE=y" >> $config_host_mak
6273 fi
6274
6275 if test "$smartcard" = "yes" ; then
6276   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6277   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6278   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6279 fi
6280
6281 if test "$libusb" = "yes" ; then
6282   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6283   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6284   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6285 fi
6286
6287 if test "$usb_redir" = "yes" ; then
6288   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6289   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6290   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6291 fi
6292
6293 if test "$opengl" = "yes" ; then
6294   echo "CONFIG_OPENGL=y" >> $config_host_mak
6295   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6296   if test "$opengl_dmabuf" = "yes" ; then
6297     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6298   fi
6299 fi
6300
6301 if test "$malloc_trim" = "yes" ; then
6302   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6303 fi
6304
6305 if test "$avx2_opt" = "yes" ; then
6306   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6307 fi
6308
6309 if test "$lzo" = "yes" ; then
6310   echo "CONFIG_LZO=y" >> $config_host_mak
6311 fi
6312
6313 if test "$snappy" = "yes" ; then
6314   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6315 fi
6316
6317 if test "$bzip2" = "yes" ; then
6318   echo "CONFIG_BZIP2=y" >> $config_host_mak
6319   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6320 fi
6321
6322 if test "$libiscsi" = "yes" ; then
6323   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6324   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6325   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6326 fi
6327
6328 if test "$libnfs" = "yes" ; then
6329   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6330   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6331 fi
6332
6333 if test "$seccomp" = "yes"; then
6334   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6335   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6336   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6337 fi
6338
6339 # XXX: suppress that
6340 if [ "$bsd" = "yes" ] ; then
6341   echo "CONFIG_BSD=y" >> $config_host_mak
6342 fi
6343
6344 if test "$localtime_r" = "yes" ; then
6345   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6346 fi
6347 if test "$qom_cast_debug" = "yes" ; then
6348   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6349 fi
6350 if test "$rbd" = "yes" ; then
6351   echo "CONFIG_RBD=m" >> $config_host_mak
6352   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6353   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6354 fi
6355
6356 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6357 if test "$coroutine_pool" = "yes" ; then
6358   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6359 else
6360   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6361 fi
6362
6363 if test "$debug_stack_usage" = "yes" ; then
6364   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6365 fi
6366
6367 if test "$crypto_afalg" = "yes" ; then
6368   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6369 fi
6370
6371 if test "$open_by_handle_at" = "yes" ; then
6372   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6373 fi
6374
6375 if test "$linux_magic_h" = "yes" ; then
6376   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6377 fi
6378
6379 if test "$pragma_diagnostic_available" = "yes" ; then
6380   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6381 fi
6382
6383 if test "$valgrind_h" = "yes" ; then
6384   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6385 fi
6386
6387 if test "$have_asan_iface_fiber" = "yes" ; then
6388     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6389 fi
6390
6391 if test "$has_environ" = "yes" ; then
6392   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6393 fi
6394
6395 if test "$cpuid_h" = "yes" ; then
6396   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6397 fi
6398
6399 if test "$int128" = "yes" ; then
6400   echo "CONFIG_INT128=y" >> $config_host_mak
6401 fi
6402
6403 if test "$atomic128" = "yes" ; then
6404   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6405 fi
6406
6407 if test "$atomic64" = "yes" ; then
6408   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6409 fi
6410
6411 if test "$vector16" = "yes" ; then
6412   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6413 fi
6414
6415 if test "$getauxval" = "yes" ; then
6416   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6417 fi
6418
6419 if test "$glusterfs" = "yes" ; then
6420   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6421   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6422   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6423 fi
6424
6425 if test "$glusterfs_xlator_opt" = "yes" ; then
6426   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6427 fi
6428
6429 if test "$glusterfs_discard" = "yes" ; then
6430   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6431 fi
6432
6433 if test "$glusterfs_fallocate" = "yes" ; then
6434   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6435 fi
6436
6437 if test "$glusterfs_zerofill" = "yes" ; then
6438   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6439 fi
6440
6441 if test "$libssh2" = "yes" ; then
6442   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6443   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6444   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6445 fi
6446
6447 if test "$live_block_migration" = "yes" ; then
6448   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6449 fi
6450
6451 if test "$tpm" = "yes"; then
6452   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6453   # TPM passthrough support?
6454   if test "$tpm_passthrough" = "yes"; then
6455     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6456   fi
6457   # TPM emulator support?
6458   if test "$tpm_emulator" = "yes"; then
6459     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6460   fi
6461 fi
6462
6463 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6464 if have_backend "nop"; then
6465   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6466 fi
6467 if have_backend "simple"; then
6468   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6469   # Set the appropriate trace file.
6470   trace_file="\"$trace_file-\" FMT_pid"
6471 fi
6472 if have_backend "log"; then
6473   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6474 fi
6475 if have_backend "ust"; then
6476   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6477 fi
6478 if have_backend "dtrace"; then
6479   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6480   if test "$trace_backend_stap" = "yes" ; then
6481     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6482   fi
6483 fi
6484 if have_backend "ftrace"; then
6485   if test "$linux" = "yes" ; then
6486     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6487   else
6488     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6489   fi
6490 fi
6491 if have_backend "syslog"; then
6492   if test "$posix_syslog" = "yes" ; then
6493     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6494   else
6495     feature_not_found "syslog(trace backend)" "syslog not available"
6496   fi
6497 fi
6498 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6499
6500 if test "$rdma" = "yes" ; then
6501   echo "CONFIG_RDMA=y" >> $config_host_mak
6502   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6503 fi
6504
6505 if test "$have_rtnetlink" = "yes" ; then
6506   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6507 fi
6508
6509 if test "$libxml2" = "yes" ; then
6510   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6511   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6512   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6513 fi
6514
6515 if test "$replication" = "yes" ; then
6516   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6517 fi
6518
6519 if test "$have_af_vsock" = "yes" ; then
6520   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6521 fi
6522
6523 if test "$have_sysmacros" = "yes" ; then
6524   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6525 fi
6526
6527 if test "$have_static_assert" = "yes" ; then
6528   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6529 fi
6530
6531 if test "$have_utmpx" = "yes" ; then
6532   echo "HAVE_UTMPX=y" >> $config_host_mak
6533 fi
6534
6535 if test "$ivshmem" = "yes" ; then
6536   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6537 fi
6538 if test "$capstone" != "no" ; then
6539   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6540 fi
6541
6542 # Hold two types of flag:
6543 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6544 #                                     a thread we have a handle to
6545 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6546 #                                     platform
6547 if test "$pthread_setname_np" = "yes" ; then
6548   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6549   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6550 fi
6551
6552 if test "$vxhs" = "yes" ; then
6553   echo "CONFIG_VXHS=y" >> $config_host_mak
6554   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6555 fi
6556
6557 if test "$tcg_interpreter" = "yes"; then
6558   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6559 elif test "$ARCH" = "sparc64" ; then
6560   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6561 elif test "$ARCH" = "s390x" ; then
6562   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6563 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6564   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6565 elif test "$ARCH" = "ppc64" ; then
6566   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6567 else
6568   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6569 fi
6570 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6571
6572 echo "TOOLS=$tools" >> $config_host_mak
6573 echo "ROMS=$roms" >> $config_host_mak
6574 echo "MAKE=$make" >> $config_host_mak
6575 echo "INSTALL=$install" >> $config_host_mak
6576 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6577 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6578 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6579 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6580 echo "PYTHON=$python" >> $config_host_mak
6581 echo "CC=$cc" >> $config_host_mak
6582 if $iasl -h > /dev/null 2>&1; then
6583   echo "IASL=$iasl" >> $config_host_mak
6584 fi
6585 echo "CC_I386=$cc_i386" >> $config_host_mak
6586 echo "HOST_CC=$host_cc" >> $config_host_mak
6587 echo "CXX=$cxx" >> $config_host_mak
6588 echo "OBJCC=$objcc" >> $config_host_mak
6589 echo "AR=$ar" >> $config_host_mak
6590 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6591 echo "AS=$as" >> $config_host_mak
6592 echo "CCAS=$ccas" >> $config_host_mak
6593 echo "CPP=$cpp" >> $config_host_mak
6594 echo "OBJCOPY=$objcopy" >> $config_host_mak
6595 echo "LD=$ld" >> $config_host_mak
6596 echo "RANLIB=$ranlib" >> $config_host_mak
6597 echo "NM=$nm" >> $config_host_mak
6598 echo "WINDRES=$windres" >> $config_host_mak
6599 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6600 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6601 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6602 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6603 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6604 if test "$sparse" = "yes" ; then
6605   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6606   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6607   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6608   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6609   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6610 fi
6611 if test "$cross_prefix" != ""; then
6612   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6613 else
6614   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6615 fi
6616 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6617 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6618 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6619 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6620 echo "LIBS+=$LIBS" >> $config_host_mak
6621 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6622 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6623 echo "EXESUF=$EXESUF" >> $config_host_mak
6624 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6625 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6626 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6627 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6628 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6629 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6630 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6631 if test "$gcov" = "yes" ; then
6632   echo "CONFIG_GCOV=y" >> $config_host_mak
6633   echo "GCOV=$gcov_tool" >> $config_host_mak
6634 fi
6635
6636 # use included Linux headers
6637 if test "$linux" = "yes" ; then
6638   mkdir -p linux-headers
6639   case "$cpu" in
6640   i386|x86_64|x32)
6641     linux_arch=x86
6642     ;;
6643   ppcemb|ppc|ppc64)
6644     linux_arch=powerpc
6645     ;;
6646   s390x)
6647     linux_arch=s390
6648     ;;
6649   aarch64)
6650     linux_arch=arm64
6651     ;;
6652   mips64)
6653     linux_arch=mips
6654     ;;
6655   *)
6656     # For most CPUs the kernel architecture name and QEMU CPU name match.
6657     linux_arch="$cpu"
6658     ;;
6659   esac
6660     # For non-KVM architectures we will not have asm headers
6661     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6662       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6663     fi
6664 fi
6665
6666 for target in $target_list; do
6667 target_dir="$target"
6668 config_target_mak=$target_dir/config-target.mak
6669 target_name=$(echo $target | cut -d '-' -f 1)
6670 target_bigendian="no"
6671
6672 case "$target_name" in
6673   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6674   target_bigendian=yes
6675   ;;
6676 esac
6677 target_softmmu="no"
6678 target_user_only="no"
6679 target_linux_user="no"
6680 target_bsd_user="no"
6681 case "$target" in
6682   ${target_name}-softmmu)
6683     target_softmmu="yes"
6684     ;;
6685   ${target_name}-linux-user)
6686     target_user_only="yes"
6687     target_linux_user="yes"
6688     ;;
6689   ${target_name}-bsd-user)
6690     target_user_only="yes"
6691     target_bsd_user="yes"
6692     ;;
6693   *)
6694     error_exit "Target '$target' not recognised"
6695     exit 1
6696     ;;
6697 esac
6698
6699 mkdir -p $target_dir
6700 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6701
6702 bflt="no"
6703 mttcg="no"
6704 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6705 gdb_xml_files=""
6706
6707 TARGET_ARCH="$target_name"
6708 TARGET_BASE_ARCH=""
6709 TARGET_ABI_DIR=""
6710
6711 case "$target_name" in
6712   i386)
6713     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6714   ;;
6715   x86_64)
6716     TARGET_BASE_ARCH=i386
6717     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6718   ;;
6719   alpha)
6720     mttcg="yes"
6721   ;;
6722   arm|armeb)
6723     TARGET_ARCH=arm
6724     bflt="yes"
6725     mttcg="yes"
6726     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6727   ;;
6728   aarch64|aarch64_be)
6729     TARGET_ARCH=aarch64
6730     TARGET_BASE_ARCH=arm
6731     bflt="yes"
6732     mttcg="yes"
6733     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6734   ;;
6735   cris)
6736   ;;
6737   hppa)
6738     mttcg="yes"
6739   ;;
6740   lm32)
6741   ;;
6742   m68k)
6743     bflt="yes"
6744     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6745   ;;
6746   microblaze|microblazeel)
6747     TARGET_ARCH=microblaze
6748     bflt="yes"
6749   ;;
6750   mips|mipsel)
6751     TARGET_ARCH=mips
6752     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6753   ;;
6754   mipsn32|mipsn32el)
6755     TARGET_ARCH=mips64
6756     TARGET_BASE_ARCH=mips
6757     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6758     echo "TARGET_ABI32=y" >> $config_target_mak
6759   ;;
6760   mips64|mips64el)
6761     TARGET_ARCH=mips64
6762     TARGET_BASE_ARCH=mips
6763     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6764   ;;
6765   moxie)
6766   ;;
6767   nios2)
6768   ;;
6769   or1k)
6770     TARGET_ARCH=openrisc
6771     TARGET_BASE_ARCH=openrisc
6772   ;;
6773   ppc)
6774     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6775   ;;
6776   ppcemb)
6777     TARGET_BASE_ARCH=ppc
6778     TARGET_ABI_DIR=ppc
6779     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6780   ;;
6781   ppc64)
6782     TARGET_BASE_ARCH=ppc
6783     TARGET_ABI_DIR=ppc
6784     mttcg=yes
6785     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6786   ;;
6787   ppc64le)
6788     TARGET_ARCH=ppc64
6789     TARGET_BASE_ARCH=ppc
6790     TARGET_ABI_DIR=ppc
6791     mttcg=yes
6792     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6793   ;;
6794   ppc64abi32)
6795     TARGET_ARCH=ppc64
6796     TARGET_BASE_ARCH=ppc
6797     TARGET_ABI_DIR=ppc
6798     echo "TARGET_ABI32=y" >> $config_target_mak
6799     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6800   ;;
6801   riscv32)
6802     TARGET_BASE_ARCH=riscv
6803     TARGET_ABI_DIR=riscv
6804     mttcg=yes
6805   ;;
6806   riscv64)
6807     TARGET_BASE_ARCH=riscv
6808     TARGET_ABI_DIR=riscv
6809     mttcg=yes
6810   ;;
6811   sh4|sh4eb)
6812     TARGET_ARCH=sh4
6813     bflt="yes"
6814   ;;
6815   sparc)
6816   ;;
6817   sparc64)
6818     TARGET_BASE_ARCH=sparc
6819   ;;
6820   sparc32plus)
6821     TARGET_ARCH=sparc64
6822     TARGET_BASE_ARCH=sparc
6823     TARGET_ABI_DIR=sparc
6824     echo "TARGET_ABI32=y" >> $config_target_mak
6825   ;;
6826   s390x)
6827     mttcg=yes
6828     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6829   ;;
6830   tilegx)
6831   ;;
6832   tricore)
6833   ;;
6834   unicore32)
6835   ;;
6836   xtensa|xtensaeb)
6837     TARGET_ARCH=xtensa
6838   ;;
6839   *)
6840     error_exit "Unsupported target CPU"
6841   ;;
6842 esac
6843 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6844 if [ "$TARGET_BASE_ARCH" = "" ]; then
6845   TARGET_BASE_ARCH=$TARGET_ARCH
6846 fi
6847
6848 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6849
6850 upper() {
6851     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6852 }
6853
6854 target_arch_name="$(upper $TARGET_ARCH)"
6855 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6856 echo "TARGET_NAME=$target_name" >> $config_target_mak
6857 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6858 if [ "$TARGET_ABI_DIR" = "" ]; then
6859   TARGET_ABI_DIR=$TARGET_ARCH
6860 fi
6861 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6862 if [ "$HOST_VARIANT_DIR" != "" ]; then
6863     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6864 fi
6865
6866 if supported_xen_target $target; then
6867     echo "CONFIG_XEN=y" >> $config_target_mak
6868     if test "$xen_pci_passthrough" = yes; then
6869         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6870     fi
6871 fi
6872 if supported_kvm_target $target; then
6873     echo "CONFIG_KVM=y" >> $config_target_mak
6874     if test "$vhost_net" = "yes" ; then
6875         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6876         if test "$vhost_user" = "yes" ; then
6877             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6878         fi
6879     fi
6880 fi
6881 if supported_hax_target $target; then
6882     echo "CONFIG_HAX=y" >> $config_target_mak
6883 fi
6884 if supported_hvf_target $target; then
6885     echo "CONFIG_HVF=y" >> $config_target_mak
6886 fi
6887 if supported_whpx_target $target; then
6888     echo "CONFIG_WHPX=y" >> $config_target_mak
6889 fi
6890 if test "$target_bigendian" = "yes" ; then
6891   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6892 fi
6893 if test "$target_softmmu" = "yes" ; then
6894   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6895   if test "$mttcg" = "yes" ; then
6896     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6897   fi
6898 fi
6899 if test "$target_user_only" = "yes" ; then
6900   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6901   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6902 fi
6903 if test "$target_linux_user" = "yes" ; then
6904   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6905 fi
6906 list=""
6907 if test ! -z "$gdb_xml_files" ; then
6908   for x in $gdb_xml_files; do
6909     list="$list $source_path/gdb-xml/$x"
6910   done
6911   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6912 fi
6913
6914 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6915   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6916 fi
6917 if test "$target_bsd_user" = "yes" ; then
6918   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6919 fi
6920
6921 # generate QEMU_CFLAGS/LDFLAGS for targets
6922
6923 cflags=""
6924 ldflags=""
6925
6926 disas_config() {
6927   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6928   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6929 }
6930
6931 for i in $ARCH $TARGET_BASE_ARCH ; do
6932   case "$i" in
6933   alpha)
6934     disas_config "ALPHA"
6935   ;;
6936   aarch64)
6937     if test -n "${cxx}"; then
6938       disas_config "ARM_A64"
6939     fi
6940   ;;
6941   arm)
6942     disas_config "ARM"
6943     if test -n "${cxx}"; then
6944       disas_config "ARM_A64"
6945     fi
6946   ;;
6947   cris)
6948     disas_config "CRIS"
6949   ;;
6950   hppa)
6951     disas_config "HPPA"
6952   ;;
6953   i386|x86_64|x32)
6954     disas_config "I386"
6955   ;;
6956   lm32)
6957     disas_config "LM32"
6958   ;;
6959   m68k)
6960     disas_config "M68K"
6961   ;;
6962   microblaze*)
6963     disas_config "MICROBLAZE"
6964   ;;
6965   mips*)
6966     disas_config "MIPS"
6967   ;;
6968   moxie*)
6969     disas_config "MOXIE"
6970   ;;
6971   nios2)
6972     disas_config "NIOS2"
6973   ;;
6974   or1k)
6975     disas_config "OPENRISC"
6976   ;;
6977   ppc*)
6978     disas_config "PPC"
6979   ;;
6980   riscv)
6981     disas_config "RISCV"
6982   ;;
6983   s390*)
6984     disas_config "S390"
6985   ;;
6986   sh4)
6987     disas_config "SH4"
6988   ;;
6989   sparc*)
6990     disas_config "SPARC"
6991   ;;
6992   xtensa*)
6993     disas_config "XTENSA"
6994   ;;
6995   esac
6996 done
6997 if test "$tcg_interpreter" = "yes" ; then
6998   disas_config "TCI"
6999 fi
7000
7001 case "$ARCH" in
7002 alpha)
7003   # Ensure there's only a single GP
7004   cflags="-msmall-data $cflags"
7005 ;;
7006 esac
7007
7008 if test "$gprof" = "yes" ; then
7009   echo "TARGET_GPROF=yes" >> $config_target_mak
7010   if test "$target_linux_user" = "yes" ; then
7011     cflags="-p $cflags"
7012     ldflags="-p $ldflags"
7013   fi
7014   if test "$target_softmmu" = "yes" ; then
7015     ldflags="-p $ldflags"
7016     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7017   fi
7018 fi
7019
7020 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7021   ldflags="$ldflags $textseg_ldflags"
7022 fi
7023
7024 # Newer kernels on s390 check for an S390_PGSTE program header and
7025 # enable the pgste page table extensions in that case. This makes
7026 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7027 # header if
7028 #  - we build on s390x
7029 #  - we build the system emulation for s390x (qemu-system-s390x)
7030 #  - KVM is enabled
7031 #  - the linker supports --s390-pgste
7032 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7033     if ld_has --s390-pgste ; then
7034         ldflags="-Wl,--s390-pgste $ldflags"
7035     fi
7036 fi
7037
7038 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7039 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7040
7041 done # for target in $targets
7042
7043 if [ "$dtc_internal" = "yes" ]; then
7044   echo "config-host.h: subdir-dtc" >> $config_host_mak
7045 fi
7046 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7047   echo "config-host.h: subdir-capstone" >> $config_host_mak
7048 fi
7049 if test -n "$LIBCAPSTONE"; then
7050   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7051 fi
7052
7053 if test "$numa" = "yes"; then
7054   echo "CONFIG_NUMA=y" >> $config_host_mak
7055 fi
7056
7057 if test "$ccache_cpp2" = "yes"; then
7058   echo "export CCACHE_CPP2=y" >> $config_host_mak
7059 fi
7060
7061 # build tree in object directory in case the source is not in the current directory
7062 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7063 DIRS="$DIRS docs docs/interop fsdev scsi"
7064 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7065 DIRS="$DIRS roms/seabios roms/vgabios"
7066 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7067 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7068 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7069 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7070 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7071 FILES="$FILES pc-bios/s390-ccw/Makefile"
7072 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7073 FILES="$FILES pc-bios/qemu-icon.bmp"
7074 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7075 for bios_file in \
7076     $source_path/pc-bios/*.bin \
7077     $source_path/pc-bios/*.lid \
7078     $source_path/pc-bios/*.aml \
7079     $source_path/pc-bios/*.rom \
7080     $source_path/pc-bios/*.dtb \
7081     $source_path/pc-bios/*.img \
7082     $source_path/pc-bios/openbios-* \
7083     $source_path/pc-bios/u-boot.* \
7084     $source_path/pc-bios/palcode-*
7085 do
7086     FILES="$FILES pc-bios/$(basename $bios_file)"
7087 done
7088 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7089 do
7090     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7091 done
7092 mkdir -p $DIRS
7093 for f in $FILES ; do
7094     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7095         symlink "$source_path/$f" "$f"
7096     fi
7097 done
7098
7099 # temporary config to build submodules
7100 for rom in seabios vgabios ; do
7101     config_mak=roms/$rom/config.mak
7102     echo "# Automatically generated by configure - do not modify" > $config_mak
7103     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7104     echo "AS=$as" >> $config_mak
7105     echo "CCAS=$ccas" >> $config_mak
7106     echo "CC=$cc" >> $config_mak
7107     echo "BCC=bcc" >> $config_mak
7108     echo "CPP=$cpp" >> $config_mak
7109     echo "OBJCOPY=objcopy" >> $config_mak
7110     echo "IASL=$iasl" >> $config_mak
7111     echo "LD=$ld" >> $config_mak
7112     echo "RANLIB=$ranlib" >> $config_mak
7113 done
7114
7115 # set up tests data directory
7116 if [ ! -e tests/data ]; then
7117     symlink "$source_path/tests/data" tests/data
7118 fi
7119
7120 # set up qemu-iotests in this build directory
7121 iotests_common_env="tests/qemu-iotests/common.env"
7122 iotests_check="tests/qemu-iotests/check"
7123
7124 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7125 echo >> "$iotests_common_env"
7126 echo "export PYTHON='$python'" >> "$iotests_common_env"
7127
7128 if [ ! -e "$iotests_check" ]; then
7129     symlink "$source_path/$iotests_check" "$iotests_check"
7130 fi
7131
7132 # Save the configure command line for later reuse.
7133 cat <<EOD >config.status
7134 #!/bin/sh
7135 # Generated by configure.
7136 # Run this file to recreate the current configuration.
7137 # Compiler output produced by configure, useful for debugging
7138 # configure, is in config.log if it exists.
7139 EOD
7140 printf "exec" >>config.status
7141 printf " '%s'" "$0" "$@" >>config.status
7142 echo ' "$@"' >>config.status
7143 chmod +x config.status
7144
7145 rm -r "$TMPDIR1"