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_target() {
 215     case "$1" in
 216         *-softmmu)
 217             ;;
 218         *-linux-user)
 219             if test "$linux" != "yes"; then
 220                 print_error "Target '$target' is only available on a Linux host"
 221                 return 1
 222             fi
 223             ;;
 224         *-bsd-user)
 225             if test "$bsd" != "yes"; then
 226                 print_error "Target '$target' is only available on a BSD host"
 227                 return 1
 228             fi
 229             ;;
 230         *)
 231             print_error "Invalid target name '$target'"
 232             return 1
 233             ;;
 234     esac
 235     test "$tcg" = "yes" && return 0
 236     supported_kvm_target "$1" && return 0
 237     supported_xen_target "$1" && return 0
 238     supported_hax_target "$1" && return 0
 239     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 240     return 1
 241 }
 242
 243
 244 ld_has() {
 245     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 246 }
 247
 248 # default parameters
 249 source_path=$(dirname "$0")
 250 cpu=""
 251 iasl="iasl"
 252 interp_prefix="/usr/gnemul/qemu-%M"
 253 static="no"
 254 cross_prefix=""
 255 audio_drv_list=""
 256 block_drv_rw_whitelist=""
 257 block_drv_ro_whitelist=""
 258 host_cc="cc"
 259 libs_softmmu=""
 260 libs_tools=""
 261 audio_pt_int=""
 262 audio_win_int=""
 263 cc_i386=i386-pc-linux-gnu-gcc
 264 libs_qga=""
 265 debug_info="yes"
 266 stack_protector=""
 267
 268 # Don't accept a target_list environment variable.
 269 unset target_list
 270
 271 # Default value for a variable defining feature "foo".
 272 #  * foo="no"  feature will only be used if --enable-foo arg is given
 273 #  * foo=""    feature will be searched for, and if found, will be used
 274 #              unless --disable-foo is given
 275 #  * foo="yes" this value will only be set by --enable-foo flag.
 276 #              feature will searched for,
 277 #              if not found, configure exits with error
 278 #
 279 # Always add --enable-foo and --disable-foo command line args.
 280 # Distributions want to ensure that several features are compiled in, and it
 281 # is impossible without a --enable-foo that exits if a feature is not found.
 282
 283 bluez=""
 284 brlapi=""
 285 curl=""
 286 curses=""
 287 docs=""
 288 fdt=""
 289 netmap="no"
 290 sdl=""
 291 sdlabi=""
 292 virtfs=""
 293 vnc="yes"
 294 sparse="no"
 295 vde=""
 296 vnc_sasl=""
 297 vnc_jpeg=""
 298 vnc_png=""
 299 xen=""
 300 xen_ctrl_version=""
 301 xen_pv_domain_build="no"
 302 xen_pci_passthrough=""
 303 linux_aio=""
 304 cap_ng=""
 305 attr=""
 306 libattr=""
 307 xfs=""
 308 tcg="yes"
 309
 310 vhost_net="no"
 311 vhost_scsi="no"
 312 vhost_vsock="no"
 313 vhost_user=""
 314 kvm="no"
 315 hax="no"
 316 rdma=""
 317 gprof="no"
 318 debug_tcg="no"
 319 debug="no"
 320 fortify_source=""
 321 strip_opt="yes"
 322 tcg_interpreter="no"
 323 bigendian="no"
 324 mingw32="no"
 325 gcov="no"
 326 gcov_tool="gcov"
 327 EXESUF=""
 328 DSOSUF=".so"
 329 LDFLAGS_SHARED="-shared"
 330 modules="no"
 331 prefix="/usr/local"
 332 mandir="\${prefix}/share/man"
 333 datadir="\${prefix}/share"
 334 qemu_docdir="\${prefix}/share/doc/qemu"
 335 bindir="\${prefix}/bin"
 336 libdir="\${prefix}/lib"
 337 libexecdir="\${prefix}/libexec"
 338 includedir="\${prefix}/include"
 339 sysconfdir="\${prefix}/etc"
 340 local_statedir="\${prefix}/var"
 341 confsuffix="/qemu"
 342 slirp="yes"
 343 oss_lib=""
 344 bsd="no"
 345 linux="no"
 346 solaris="no"
 347 profiler="no"
 348 cocoa="no"
 349 softmmu="yes"
 350 linux_user="no"
 351 bsd_user="no"
 352 blobs="yes"
 353 pkgversion=""
 354 pie=""
 355 qom_cast_debug="yes"
 356 trace_backends="log"
 357 trace_file="trace"
 358 spice=""
 359 rbd=""
 360 smartcard=""
 361 libusb=""
 362 usb_redir=""
 363 opengl=""
 364 opengl_dmabuf="no"
 365 cpuid_h="no"
 366 avx2_opt="no"
 367 zlib="yes"
 368 lzo=""
 369 snappy=""
 370 bzip2=""
 371 guest_agent=""
 372 guest_agent_with_vss="no"
 373 guest_agent_ntddscsi="no"
 374 guest_agent_msi=""
 375 vss_win32_sdk=""
 376 win_sdk="no"
 377 want_tools="yes"
 378 libiscsi=""
 379 libnfs=""
 380 coroutine=""
 381 coroutine_pool=""
 382 debug_stack_usage="no"
 383 crypto_afalg="no"
 384 seccomp=""
 385 glusterfs=""
 386 glusterfs_xlator_opt="no"
 387 glusterfs_discard="no"
 388 glusterfs_fallocate="no"
 389 glusterfs_zerofill="no"
 390 gtk=""
 391 gtkabi=""
 392 gtk_gl="no"
 393 tls_priority="NORMAL"
 394 gnutls=""
 395 gnutls_rnd=""
 396 nettle=""
 397 nettle_kdf="no"
 398 gcrypt=""
 399 gcrypt_hmac="no"
 400 gcrypt_kdf="no"
 401 vte=""
 402 virglrenderer=""
 403 tpm="yes"
 404 libssh2=""
 405 live_block_migration="yes"
 406 numa=""
 407 tcmalloc="no"
 408 jemalloc="no"
 409 replication="yes"
 410 vxhs=""
 411
 412 supported_cpu="no"
 413 supported_os="no"
 414 bogus_os="no"
 415
 416 # parse CC options first
 417 for opt do
 418   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 419   case "$opt" in
 420   --cross-prefix=*) cross_prefix="$optarg"
 421   ;;
 422   --cc=*) CC="$optarg"
 423   ;;
 424   --cxx=*) CXX="$optarg"
 425   ;;
 426   --source-path=*) source_path="$optarg"
 427   ;;
 428   --cpu=*) cpu="$optarg"
 429   ;;
 430   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 431                     EXTRA_CFLAGS="$optarg"
 432   ;;
 433   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 434                       EXTRA_CXXFLAGS="$optarg"
 435   ;;
 436   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 437                      EXTRA_LDFLAGS="$optarg"
 438   ;;
 439   --enable-debug-info) debug_info="yes"
 440   ;;
 441   --disable-debug-info) debug_info="no"
 442   ;;
 443   esac
 444 done
 445 # OS specific
 446 # Using uname is really, really broken.  Once we have the right set of checks
 447 # we can eliminate its usage altogether.
 448
 449 # Preferred compiler:
 450 #  ${CC} (if set)
 451 #  ${cross_prefix}gcc (if cross-prefix specified)
 452 #  system compiler
 453 if test -z "${CC}${cross_prefix}"; then
 454   cc="$host_cc"
 455 else
 456   cc="${CC-${cross_prefix}gcc}"
 457 fi
 458
 459 if test -z "${CXX}${cross_prefix}"; then
 460   cxx="c++"
 461 else
 462   cxx="${CXX-${cross_prefix}g++}"
 463 fi
 464
 465 ar="${AR-${cross_prefix}ar}"
 466 as="${AS-${cross_prefix}as}"
 467 ccas="${CCAS-$cc}"
 468 cpp="${CPP-$cc -E}"
 469 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 470 ld="${LD-${cross_prefix}ld}"
 471 nm="${NM-${cross_prefix}nm}"
 472 strip="${STRIP-${cross_prefix}strip}"
 473 windres="${WINDRES-${cross_prefix}windres}"
 474 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 475 query_pkg_config() {
 476     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 477 }
 478 pkg_config=query_pkg_config
 479 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 480 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 481
 482 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 483 ARFLAGS="${ARFLAGS-rv}"
 484
 485 # default flags for all hosts
 486 # We use -fwrapv to tell the compiler that we require a C dialect where
 487 # left shift of signed integers is well defined and has the expected
 488 # 2s-complement style results. (Both clang and gcc agree that it
 489 # provides these semantics.)
 490 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 491 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 492 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 493 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 494 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 495 if test "$debug_info" = "yes"; then
 496     CFLAGS="-g $CFLAGS"
 497     LDFLAGS="-g $LDFLAGS"
 498 fi
 499
 500 # make source path absolute
 501 source_path=$(cd "$source_path"; pwd)
 502
 503 # running configure in the source tree?
 504 # we know that's the case if configure is there.
 505 if test -f "./configure"; then
 506     pwd_is_source_path="y"
 507 else
 508     pwd_is_source_path="n"
 509 fi
 510
 511 check_define() {
 512 cat > $TMPC <<EOF
 513 #if !defined($1)
 514 #error $1 not defined
 515 #endif
 516 int main(void) { return 0; }
 517 EOF
 518   compile_object
 519 }
 520
 521 check_include() {
 522 cat > $TMPC <<EOF
 523 #include <$1>
 524 int main(void) { return 0; }
 525 EOF
 526   compile_object
 527 }
 528
 529 write_c_skeleton() {
 530     cat > $TMPC <<EOF
 531 int main(void) { return 0; }
 532 EOF
 533 }
 534
 535 if check_define __linux__ ; then
 536   targetos="Linux"
 537 elif check_define _WIN32 ; then
 538   targetos='MINGW32'
 539 elif check_define __OpenBSD__ ; then
 540   targetos='OpenBSD'
 541 elif check_define __sun__ ; then
 542   targetos='SunOS'
 543 elif check_define __HAIKU__ ; then
 544   targetos='Haiku'
 545 elif check_define __FreeBSD__ ; then
 546   targetos='FreeBSD'
 547 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 548   targetos='GNU/kFreeBSD'
 549 elif check_define __DragonFly__ ; then
 550   targetos='DragonFly'
 551 elif check_define __NetBSD__; then
 552   targetos='NetBSD'
 553 elif check_define __APPLE__; then
 554   targetos='Darwin'
 555 else
 556   # This is a fatal error, but don't report it yet, because we
 557   # might be going to just print the --help text, or it might
 558   # be the result of a missing compiler.
 559   targetos='bogus'
 560   bogus_os='yes'
 561 fi
 562
 563 # Some host OSes need non-standard checks for which CPU to use.
 564 # Note that these checks are broken for cross-compilation: if you're
 565 # cross-compiling to one of these OSes then you'll need to specify
 566 # the correct CPU with the --cpu option.
 567 case $targetos in
 568 Darwin)
 569   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 570   # run 64-bit userspace code.
 571   # If the user didn't specify a CPU explicitly and the kernel says this is
 572   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 573   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 574     cpu="x86_64"
 575   fi
 576   ;;
 577 SunOS)
 578   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 579   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 580     cpu="x86_64"
 581   fi
 582 esac
 583
 584 if test ! -z "$cpu" ; then
 585   # command line argument
 586   :
 587 elif check_define __i386__ ; then
 588   cpu="i386"
 589 elif check_define __x86_64__ ; then
 590   if check_define __ILP32__ ; then
 591     cpu="x32"
 592   else
 593     cpu="x86_64"
 594   fi
 595 elif check_define __sparc__ ; then
 596   if check_define __arch64__ ; then
 597     cpu="sparc64"
 598   else
 599     cpu="sparc"
 600   fi
 601 elif check_define _ARCH_PPC ; then
 602   if check_define _ARCH_PPC64 ; then
 603     cpu="ppc64"
 604   else
 605     cpu="ppc"
 606   fi
 607 elif check_define __mips__ ; then
 608   cpu="mips"
 609 elif check_define __ia64__ ; then
 610   cpu="ia64"
 611 elif check_define __s390__ ; then
 612   if check_define __s390x__ ; then
 613     cpu="s390x"
 614   else
 615     cpu="s390"
 616   fi
 617 elif check_define __arm__ ; then
 618   cpu="arm"
 619 elif check_define __aarch64__ ; then
 620   cpu="aarch64"
 621 else
 622   cpu=$(uname -m)
 623 fi
 624
 625 ARCH=
 626 # Normalise host CPU name and set ARCH.
 627 # Note that this case should only have supported host CPUs, not guests.
 628 case "$cpu" in
 629   ppc|ppc64|s390|s390x|sparc64|x32)
 630     cpu="$cpu"
 631     supported_cpu="yes"
 632   ;;
 633   i386|i486|i586|i686|i86pc|BePC)
 634     cpu="i386"
 635     supported_cpu="yes"
 636   ;;
 637   x86_64|amd64)
 638     cpu="x86_64"
 639     supported_cpu="yes"
 640   ;;
 641   armv*b|armv*l|arm)
 642     cpu="arm"
 643     supported_cpu="yes"
 644   ;;
 645   aarch64)
 646     cpu="aarch64"
 647     supported_cpu="yes"
 648   ;;
 649   mips*)
 650     cpu="mips"
 651     supported_cpu="yes"
 652   ;;
 653   sparc|sun4[cdmuv])
 654     cpu="sparc"
 655     supported_cpu="yes"
 656   ;;
 657   *)
 658     # This will result in either an error or falling back to TCI later
 659     ARCH=unknown
 660   ;;
 661 esac
 662 if test -z "$ARCH"; then
 663   ARCH="$cpu"
 664 fi
 665
 666 # OS specific
 667
 668 # host *BSD for user mode
 669 HOST_VARIANT_DIR=""
 670
 671 case $targetos in
 672 MINGW32*)
 673   mingw32="yes"
 674   hax="yes"
 675   audio_possible_drivers="dsound sdl"
 676   if check_include dsound.h; then
 677     audio_drv_list="dsound"
 678   else
 679     audio_drv_list=""
 680   fi
 681   supported_os="yes"
 682 ;;
 683 GNU/kFreeBSD)
 684   bsd="yes"
 685   audio_drv_list="oss"
 686   audio_possible_drivers="oss sdl pa"
 687 ;;
 688 FreeBSD)
 689   bsd="yes"
 690   make="${MAKE-gmake}"
 691   audio_drv_list="oss"
 692   audio_possible_drivers="oss sdl pa"
 693   # needed for kinfo_getvmmap(3) in libutil.h
 694   LIBS="-lutil $LIBS"
 695   # needed for kinfo_getproc
 696   libs_qga="-lutil $libs_qga"
 697   netmap=""  # enable netmap autodetect
 698   HOST_VARIANT_DIR="freebsd"
 699   supported_os="yes"
 700 ;;
 701 DragonFly)
 702   bsd="yes"
 703   make="${MAKE-gmake}"
 704   audio_drv_list="oss"
 705   audio_possible_drivers="oss sdl pa"
 706   HOST_VARIANT_DIR="dragonfly"
 707 ;;
 708 NetBSD)
 709   bsd="yes"
 710   make="${MAKE-gmake}"
 711   audio_drv_list="oss"
 712   audio_possible_drivers="oss sdl"
 713   oss_lib="-lossaudio"
 714   HOST_VARIANT_DIR="netbsd"
 715   supported_os="yes"
 716 ;;
 717 OpenBSD)
 718   bsd="yes"
 719   make="${MAKE-gmake}"
 720   audio_drv_list="sdl"
 721   audio_possible_drivers="sdl"
 722   HOST_VARIANT_DIR="openbsd"
 723 ;;
 724 Darwin)
 725   bsd="yes"
 726   darwin="yes"
 727   hax="yes"
 728   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 729   if [ "$cpu" = "x86_64" ] ; then
 730     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 731     LDFLAGS="-arch x86_64 $LDFLAGS"
 732   fi
 733   cocoa="yes"
 734   audio_drv_list="coreaudio"
 735   audio_possible_drivers="coreaudio sdl"
 736   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 737   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 738   # Disable attempts to use ObjectiveC features in os/object.h since they
 739   # won't work when we're compiling with gcc as a C compiler.
 740   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 741   HOST_VARIANT_DIR="darwin"
 742   supported_os="yes"
 743 ;;
 744 SunOS)
 745   solaris="yes"
 746   make="${MAKE-gmake}"
 747   install="${INSTALL-ginstall}"
 748   ld="gld"
 749   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 750   if test -f /usr/include/sys/soundcard.h ; then
 751     audio_drv_list="oss"
 752   fi
 753   audio_possible_drivers="oss sdl"
 754 # needed for CMSG_ macros in sys/socket.h
 755   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 756 # needed for TIOCWIN* defines in termios.h
 757   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 758   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 759   solarisnetlibs="-lsocket -lnsl -lresolv"
 760   LIBS="$solarisnetlibs $LIBS"
 761   libs_qga="$solarisnetlibs $libs_qga"
 762 ;;
 763 Haiku)
 764   haiku="yes"
 765   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 766   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 767 ;;
 768 Linux)
 769   audio_drv_list="oss"
 770   audio_possible_drivers="oss alsa sdl pa"
 771   linux="yes"
 772   linux_user="yes"
 773   kvm="yes"
 774   vhost_net="yes"
 775   vhost_scsi="yes"
 776   vhost_vsock="yes"
 777   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 778   supported_os="yes"
 779 ;;
 780 esac
 781
 782 if [ "$bsd" = "yes" ] ; then
 783   if [ "$darwin" != "yes" ] ; then
 784     bsd_user="yes"
 785   fi
 786 fi
 787
 788 : ${make=${MAKE-make}}
 789 : ${install=${INSTALL-install}}
 790 : ${python=${PYTHON-python}}
 791 : ${smbd=${SMBD-/usr/sbin/smbd}}
 792
 793 # Default objcc to clang if available, otherwise use CC
 794 if has clang; then
 795   objcc=clang
 796 else
 797   objcc="$cc"
 798 fi
 799
 800 if test "$mingw32" = "yes" ; then
 801   EXESUF=".exe"
 802   DSOSUF=".dll"
 803   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 804   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 805   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 806   # MinGW needs -mthreads for TLS and macro _MT.
 807   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 808   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 809   write_c_skeleton;
 810   if compile_prog "" "-liberty" ; then
 811     LIBS="-liberty $LIBS"
 812   fi
 813   prefix="c:/Program Files/QEMU"
 814   mandir="\${prefix}"
 815   datadir="\${prefix}"
 816   qemu_docdir="\${prefix}"
 817   bindir="\${prefix}"
 818   sysconfdir="\${prefix}"
 819   local_statedir=
 820   confsuffix=""
 821   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -liphlpapi -lnetapi32 $libs_qga"
 822 fi
 823
 824 werror=""
 825
 826 for opt do
 827   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 828   case "$opt" in
 829   --help|-h) show_help=yes
 830   ;;
 831   --version|-V) exec cat $source_path/VERSION
 832   ;;
 833   --prefix=*) prefix="$optarg"
 834   ;;
 835   --interp-prefix=*) interp_prefix="$optarg"
 836   ;;
 837   --source-path=*)
 838   ;;
 839   --cross-prefix=*)
 840   ;;
 841   --cc=*)
 842   ;;
 843   --host-cc=*) host_cc="$optarg"
 844   ;;
 845   --cxx=*)
 846   ;;
 847   --iasl=*) iasl="$optarg"
 848   ;;
 849   --objcc=*) objcc="$optarg"
 850   ;;
 851   --make=*) make="$optarg"
 852   ;;
 853   --install=*) install="$optarg"
 854   ;;
 855   --python=*) python="$optarg"
 856   ;;
 857   --gcov=*) gcov_tool="$optarg"
 858   ;;
 859   --smbd=*) smbd="$optarg"
 860   ;;
 861   --extra-cflags=*)
 862   ;;
 863   --extra-cxxflags=*)
 864   ;;
 865   --extra-ldflags=*)
 866   ;;
 867   --enable-debug-info)
 868   ;;
 869   --disable-debug-info)
 870   ;;
 871   --enable-modules)
 872       modules="yes"
 873   ;;
 874   --disable-modules)
 875       modules="no"
 876   ;;
 877   --cpu=*)
 878   ;;
 879   --target-list=*) target_list="$optarg"
 880   ;;
 881   --enable-trace-backends=*) trace_backends="$optarg"
 882   ;;
 883   # XXX: backwards compatibility
 884   --enable-trace-backend=*) trace_backends="$optarg"
 885   ;;
 886   --with-trace-file=*) trace_file="$optarg"
 887   ;;
 888   --enable-gprof) gprof="yes"
 889   ;;
 890   --enable-gcov) gcov="yes"
 891   ;;
 892   --static)
 893     static="yes"
 894     LDFLAGS="-static $LDFLAGS"
 895     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 896   ;;
 897   --mandir=*) mandir="$optarg"
 898   ;;
 899   --bindir=*) bindir="$optarg"
 900   ;;
 901   --libdir=*) libdir="$optarg"
 902   ;;
 903   --libexecdir=*) libexecdir="$optarg"
 904   ;;
 905   --includedir=*) includedir="$optarg"
 906   ;;
 907   --datadir=*) datadir="$optarg"
 908   ;;
 909   --with-confsuffix=*) confsuffix="$optarg"
 910   ;;
 911   --docdir=*) qemu_docdir="$optarg"
 912   ;;
 913   --sysconfdir=*) sysconfdir="$optarg"
 914   ;;
 915   --localstatedir=*) local_statedir="$optarg"
 916   ;;
 917   --sbindir=*|--sharedstatedir=*|\
 918   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 919   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 920     # These switches are silently ignored, for compatibility with
 921     # autoconf-generated configure scripts. This allows QEMU's
 922     # configure to be used by RPM and similar macros that set
 923     # lots of directory switches by default.
 924   ;;
 925   --disable-sdl) sdl="no"
 926   ;;
 927   --enable-sdl) sdl="yes"
 928   ;;
 929   --with-sdlabi=*) sdlabi="$optarg"
 930   ;;
 931   --disable-qom-cast-debug) qom_cast_debug="no"
 932   ;;
 933   --enable-qom-cast-debug) qom_cast_debug="yes"
 934   ;;
 935   --disable-virtfs) virtfs="no"
 936   ;;
 937   --enable-virtfs) virtfs="yes"
 938   ;;
 939   --disable-vnc) vnc="no"
 940   ;;
 941   --enable-vnc) vnc="yes"
 942   ;;
 943   --oss-lib=*) oss_lib="$optarg"
 944   ;;
 945   --audio-drv-list=*) audio_drv_list="$optarg"
 946   ;;
 947   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 948   ;;
 949   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 950   ;;
 951   --enable-debug-tcg) debug_tcg="yes"
 952   ;;
 953   --disable-debug-tcg) debug_tcg="no"
 954   ;;
 955   --enable-debug)
 956       # Enable debugging options that aren't excessively noisy
 957       debug_tcg="yes"
 958       debug="yes"
 959       strip_opt="no"
 960       fortify_source="no"
 961   ;;
 962   --enable-sparse) sparse="yes"
 963   ;;
 964   --disable-sparse) sparse="no"
 965   ;;
 966   --disable-strip) strip_opt="no"
 967   ;;
 968   --disable-vnc-sasl) vnc_sasl="no"
 969   ;;
 970   --enable-vnc-sasl) vnc_sasl="yes"
 971   ;;
 972   --disable-vnc-jpeg) vnc_jpeg="no"
 973   ;;
 974   --enable-vnc-jpeg) vnc_jpeg="yes"
 975   ;;
 976   --disable-vnc-png) vnc_png="no"
 977   ;;
 978   --enable-vnc-png) vnc_png="yes"
 979   ;;
 980   --disable-slirp) slirp="no"
 981   ;;
 982   --disable-vde) vde="no"
 983   ;;
 984   --enable-vde) vde="yes"
 985   ;;
 986   --disable-netmap) netmap="no"
 987   ;;
 988   --enable-netmap) netmap="yes"
 989   ;;
 990   --disable-xen) xen="no"
 991   ;;
 992   --enable-xen) xen="yes"
 993   ;;
 994   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 995   ;;
 996   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 997   ;;
 998   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
 999   ;;
1000   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1001   ;;
1002   --disable-brlapi) brlapi="no"
1003   ;;
1004   --enable-brlapi) brlapi="yes"
1005   ;;
1006   --disable-bluez) bluez="no"
1007   ;;
1008   --enable-bluez) bluez="yes"
1009   ;;
1010   --disable-kvm) kvm="no"
1011   ;;
1012   --enable-kvm) kvm="yes"
1013   ;;
1014   --disable-hax) hax="no"
1015   ;;
1016   --enable-hax) hax="yes"
1017   ;;
1018   --disable-tcg-interpreter) tcg_interpreter="no"
1019   ;;
1020   --enable-tcg-interpreter) tcg_interpreter="yes"
1021   ;;
1022   --disable-cap-ng)  cap_ng="no"
1023   ;;
1024   --enable-cap-ng) cap_ng="yes"
1025   ;;
1026   --disable-tcg) tcg="no"
1027   ;;
1028   --enable-tcg) tcg="yes"
1029   ;;
1030   --disable-spice) spice="no"
1031   ;;
1032   --enable-spice) spice="yes"
1033   ;;
1034   --disable-libiscsi) libiscsi="no"
1035   ;;
1036   --enable-libiscsi) libiscsi="yes"
1037   ;;
1038   --disable-libnfs) libnfs="no"
1039   ;;
1040   --enable-libnfs) libnfs="yes"
1041   ;;
1042   --enable-profiler) profiler="yes"
1043   ;;
1044   --disable-cocoa) cocoa="no"
1045   ;;
1046   --enable-cocoa)
1047       cocoa="yes" ;
1048       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1049   ;;
1050   --disable-system) softmmu="no"
1051   ;;
1052   --enable-system) softmmu="yes"
1053   ;;
1054   --disable-user)
1055       linux_user="no" ;
1056       bsd_user="no" ;
1057   ;;
1058   --enable-user) ;;
1059   --disable-linux-user) linux_user="no"
1060   ;;
1061   --enable-linux-user) linux_user="yes"
1062   ;;
1063   --disable-bsd-user) bsd_user="no"
1064   ;;
1065   --enable-bsd-user) bsd_user="yes"
1066   ;;
1067   --enable-pie) pie="yes"
1068   ;;
1069   --disable-pie) pie="no"
1070   ;;
1071   --enable-werror) werror="yes"
1072   ;;
1073   --disable-werror) werror="no"
1074   ;;
1075   --enable-stack-protector) stack_protector="yes"
1076   ;;
1077   --disable-stack-protector) stack_protector="no"
1078   ;;
1079   --disable-curses) curses="no"
1080   ;;
1081   --enable-curses) curses="yes"
1082   ;;
1083   --disable-curl) curl="no"
1084   ;;
1085   --enable-curl) curl="yes"
1086   ;;
1087   --disable-fdt) fdt="no"
1088   ;;
1089   --enable-fdt) fdt="yes"
1090   ;;
1091   --disable-linux-aio) linux_aio="no"
1092   ;;
1093   --enable-linux-aio) linux_aio="yes"
1094   ;;
1095   --disable-attr) attr="no"
1096   ;;
1097   --enable-attr) attr="yes"
1098   ;;
1099   --disable-blobs) blobs="no"
1100   ;;
1101   --with-pkgversion=*) pkgversion=" ($optarg)"
1102   ;;
1103   --with-coroutine=*) coroutine="$optarg"
1104   ;;
1105   --disable-coroutine-pool) coroutine_pool="no"
1106   ;;
1107   --enable-coroutine-pool) coroutine_pool="yes"
1108   ;;
1109   --enable-debug-stack-usage) debug_stack_usage="yes"
1110   ;;
1111   --enable-crypto-afalg) crypto_afalg="yes"
1112   ;;
1113   --disable-crypto-afalg) crypto_afalg="no"
1114   ;;
1115   --disable-docs) docs="no"
1116   ;;
1117   --enable-docs) docs="yes"
1118   ;;
1119   --disable-vhost-net) vhost_net="no"
1120   ;;
1121   --enable-vhost-net) vhost_net="yes"
1122   ;;
1123   --disable-vhost-scsi) vhost_scsi="no"
1124   ;;
1125   --enable-vhost-scsi) vhost_scsi="yes"
1126   ;;
1127   --disable-vhost-vsock) vhost_vsock="no"
1128   ;;
1129   --enable-vhost-vsock) vhost_vsock="yes"
1130   ;;
1131   --disable-opengl) opengl="no"
1132   ;;
1133   --enable-opengl) opengl="yes"
1134   ;;
1135   --disable-rbd) rbd="no"
1136   ;;
1137   --enable-rbd) rbd="yes"
1138   ;;
1139   --disable-xfsctl) xfs="no"
1140   ;;
1141   --enable-xfsctl) xfs="yes"
1142   ;;
1143   --disable-smartcard) smartcard="no"
1144   ;;
1145   --enable-smartcard) smartcard="yes"
1146   ;;
1147   --disable-libusb) libusb="no"
1148   ;;
1149   --enable-libusb) libusb="yes"
1150   ;;
1151   --disable-usb-redir) usb_redir="no"
1152   ;;
1153   --enable-usb-redir) usb_redir="yes"
1154   ;;
1155   --disable-zlib-test) zlib="no"
1156   ;;
1157   --disable-lzo) lzo="no"
1158   ;;
1159   --enable-lzo) lzo="yes"
1160   ;;
1161   --disable-snappy) snappy="no"
1162   ;;
1163   --enable-snappy) snappy="yes"
1164   ;;
1165   --disable-bzip2) bzip2="no"
1166   ;;
1167   --enable-bzip2) bzip2="yes"
1168   ;;
1169   --enable-guest-agent) guest_agent="yes"
1170   ;;
1171   --disable-guest-agent) guest_agent="no"
1172   ;;
1173   --enable-guest-agent-msi) guest_agent_msi="yes"
1174   ;;
1175   --disable-guest-agent-msi) guest_agent_msi="no"
1176   ;;
1177   --with-vss-sdk) vss_win32_sdk=""
1178   ;;
1179   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1180   ;;
1181   --without-vss-sdk) vss_win32_sdk="no"
1182   ;;
1183   --with-win-sdk) win_sdk=""
1184   ;;
1185   --with-win-sdk=*) win_sdk="$optarg"
1186   ;;
1187   --without-win-sdk) win_sdk="no"
1188   ;;
1189   --enable-tools) want_tools="yes"
1190   ;;
1191   --disable-tools) want_tools="no"
1192   ;;
1193   --enable-seccomp) seccomp="yes"
1194   ;;
1195   --disable-seccomp) seccomp="no"
1196   ;;
1197   --disable-glusterfs) glusterfs="no"
1198   ;;
1199   --enable-glusterfs) glusterfs="yes"
1200   ;;
1201   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1202       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1203   ;;
1204   --enable-vhdx|--disable-vhdx)
1205       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1206   ;;
1207   --enable-uuid|--disable-uuid)
1208       echo "$0: $opt is obsolete, UUID support is always built" >&2
1209   ;;
1210   --disable-gtk) gtk="no"
1211   ;;
1212   --enable-gtk) gtk="yes"
1213   ;;
1214   --tls-priority=*) tls_priority="$optarg"
1215   ;;
1216   --disable-gnutls) gnutls="no"
1217   ;;
1218   --enable-gnutls) gnutls="yes"
1219   ;;
1220   --disable-nettle) nettle="no"
1221   ;;
1222   --enable-nettle) nettle="yes"
1223   ;;
1224   --disable-gcrypt) gcrypt="no"
1225   ;;
1226   --enable-gcrypt) gcrypt="yes"
1227   ;;
1228   --enable-rdma) rdma="yes"
1229   ;;
1230   --disable-rdma) rdma="no"
1231   ;;
1232   --with-gtkabi=*) gtkabi="$optarg"
1233   ;;
1234   --disable-vte) vte="no"
1235   ;;
1236   --enable-vte) vte="yes"
1237   ;;
1238   --disable-virglrenderer) virglrenderer="no"
1239   ;;
1240   --enable-virglrenderer) virglrenderer="yes"
1241   ;;
1242   --disable-tpm) tpm="no"
1243   ;;
1244   --enable-tpm) tpm="yes"
1245   ;;
1246   --disable-libssh2) libssh2="no"
1247   ;;
1248   --enable-libssh2) libssh2="yes"
1249   ;;
1250   --disable-live-block-migration) live_block_migration="no"
1251   ;;
1252   --enable-live-block-migration) live_block_migration="yes"
1253   ;;
1254   --disable-numa) numa="no"
1255   ;;
1256   --enable-numa) numa="yes"
1257   ;;
1258   --disable-tcmalloc) tcmalloc="no"
1259   ;;
1260   --enable-tcmalloc) tcmalloc="yes"
1261   ;;
1262   --disable-jemalloc) jemalloc="no"
1263   ;;
1264   --enable-jemalloc) jemalloc="yes"
1265   ;;
1266   --disable-replication) replication="no"
1267   ;;
1268   --enable-replication) replication="yes"
1269   ;;
1270   --disable-vxhs) vxhs="no"
1271   ;;
1272   --enable-vxhs) vxhs="yes"
1273   ;;
1274   --disable-vhost-user) vhost_user="no"
1275   ;;
1276   --enable-vhost-user)
1277       vhost_user="yes"
1278       if test "$mingw32" = "yes"; then
1279           error_exit "vhost-user isn't available on win32"
1280       fi
1281   ;;
1282   *)
1283       echo "ERROR: unknown option $opt"
1284       echo "Try '$0 --help' for more information"
1285       exit 1
1286   ;;
1287   esac
1288 done
1289
1290 if test "$vhost_user" = ""; then
1291     if test "$mingw32" = "yes"; then
1292         vhost_user="no"
1293     else
1294         vhost_user="yes"
1295     fi
1296 fi
1297
1298 case "$cpu" in
1299     ppc)
1300            CPU_CFLAGS="-m32"
1301            LDFLAGS="-m32 $LDFLAGS"
1302            ;;
1303     ppc64)
1304            CPU_CFLAGS="-m64"
1305            LDFLAGS="-m64 $LDFLAGS"
1306            ;;
1307     sparc)
1308            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1309            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1310            ;;
1311     sparc64)
1312            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1313            LDFLAGS="-m64 $LDFLAGS"
1314            ;;
1315     s390)
1316            CPU_CFLAGS="-m31"
1317            LDFLAGS="-m31 $LDFLAGS"
1318            ;;
1319     s390x)
1320            CPU_CFLAGS="-m64"
1321            LDFLAGS="-m64 $LDFLAGS"
1322            ;;
1323     i386)
1324            CPU_CFLAGS="-m32"
1325            LDFLAGS="-m32 $LDFLAGS"
1326            cc_i386='$(CC) -m32'
1327            ;;
1328     x86_64)
1329            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1330            # If we truly care, we should simply detect this case at
1331            # runtime and generate the fallback to serial emulation.
1332            CPU_CFLAGS="-m64 -mcx16"
1333            LDFLAGS="-m64 $LDFLAGS"
1334            cc_i386='$(CC) -m32'
1335            ;;
1336     x32)
1337            CPU_CFLAGS="-mx32"
1338            LDFLAGS="-mx32 $LDFLAGS"
1339            cc_i386='$(CC) -m32'
1340            ;;
1341     # No special flags required for other host CPUs
1342 esac
1343
1344 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1345 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1346
1347 # For user-mode emulation the host arch has to be one we explicitly
1348 # support, even if we're using TCI.
1349 if [ "$ARCH" = "unknown" ]; then
1350   bsd_user="no"
1351   linux_user="no"
1352 fi
1353
1354 default_target_list=""
1355
1356 mak_wilds=""
1357
1358 if [ "$softmmu" = "yes" ]; then
1359     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1360 fi
1361 if [ "$linux_user" = "yes" ]; then
1362     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1363 fi
1364 if [ "$bsd_user" = "yes" ]; then
1365     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1366 fi
1367
1368 for config in $mak_wilds; do
1369     default_target_list="${default_target_list} $(basename "$config" .mak)"
1370 done
1371
1372 # Enumerate public trace backends for --help output
1373 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1374
1375 if test x"$show_help" = x"yes" ; then
1376 cat << EOF
1377
1378 Usage: configure [options]
1379 Options: [defaults in brackets after descriptions]
1380
1381 Standard options:
1382   --help                   print this message
1383   --prefix=PREFIX          install in PREFIX [$prefix]
1384   --interp-prefix=PREFIX   where to find shared libraries, etc.
1385                            use %M for cpu name [$interp_prefix]
1386   --target-list=LIST       set target list (default: build everything)
1387 $(echo Available targets: $default_target_list | \
1388   fold -s -w 53 | sed -e 's/^/                           /')
1389
1390 Advanced options (experts only):
1391   --source-path=PATH       path of source code [$source_path]
1392   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1393   --cc=CC                  use C compiler CC [$cc]
1394   --iasl=IASL              use ACPI compiler IASL [$iasl]
1395   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1396                            build time
1397   --cxx=CXX                use C++ compiler CXX [$cxx]
1398   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1399   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1400   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1401   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1402   --make=MAKE              use specified make [$make]
1403   --install=INSTALL        use specified install [$install]
1404   --python=PYTHON          use specified python [$python]
1405   --smbd=SMBD              use specified smbd [$smbd]
1406   --static                 enable static build [$static]
1407   --mandir=PATH            install man pages in PATH
1408   --datadir=PATH           install firmware in PATH$confsuffix
1409   --docdir=PATH            install documentation in PATH$confsuffix
1410   --bindir=PATH            install binaries in PATH
1411   --libdir=PATH            install libraries in PATH
1412   --sysconfdir=PATH        install config in PATH$confsuffix
1413   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1414   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1415   --enable-debug           enable common debug build options
1416   --disable-strip          disable stripping binaries
1417   --disable-werror         disable compilation abort on warning
1418   --disable-stack-protector disable compiler-provided stack protection
1419   --audio-drv-list=LIST    set audio drivers list:
1420                            Available drivers: $audio_possible_drivers
1421   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1422   --block-drv-rw-whitelist=L
1423                            set block driver read-write whitelist
1424                            (affects only QEMU, not qemu-img)
1425   --block-drv-ro-whitelist=L
1426                            set block driver read-only whitelist
1427                            (affects only QEMU, not qemu-img)
1428   --enable-trace-backends=B Set trace backend
1429                            Available backends: $trace_backend_list
1430   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1431                            Default:trace-<pid>
1432   --disable-slirp          disable SLIRP userspace network connectivity
1433   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1434   --oss-lib                path to OSS library
1435   --cpu=CPU                Build for host CPU [$cpu]
1436   --with-coroutine=BACKEND coroutine backend. Supported options:
1437                            ucontext, sigaltstack, windows
1438   --enable-gcov            enable test coverage analysis with gcov
1439   --gcov=GCOV              use specified gcov [$gcov_tool]
1440   --disable-blobs          disable installing provided firmware blobs
1441   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1442   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1443   --tls-priority           default TLS protocol/cipher priority string
1444   --enable-gprof           QEMU profiling with gprof
1445   --enable-profiler        profiler support
1446   --enable-xen-pv-domain-build
1447                            xen pv domain builder
1448   --enable-debug-stack-usage
1449                            track the maximum stack usage of stacks created by qemu_alloc_stack
1450
1451 Optional features, enabled with --enable-FEATURE and
1452 disabled with --disable-FEATURE, default is enabled if available:
1453
1454   system          all system emulation targets
1455   user            supported user emulation targets
1456   linux-user      all linux usermode emulation targets
1457   bsd-user        all BSD usermode emulation targets
1458   docs            build documentation
1459   guest-agent     build the QEMU Guest Agent
1460   guest-agent-msi build guest agent Windows MSI installation package
1461   pie             Position Independent Executables
1462   modules         modules support
1463   debug-tcg       TCG debugging (default is disabled)
1464   debug-info      debugging information
1465   sparse          sparse checker
1466
1467   gnutls          GNUTLS cryptography support
1468   nettle          nettle cryptography support
1469   gcrypt          libgcrypt cryptography support
1470   sdl             SDL UI
1471   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1472   gtk             gtk UI
1473   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1474   vte             vte support for the gtk UI
1475   curses          curses UI
1476   vnc             VNC UI support
1477   vnc-sasl        SASL encryption for VNC server
1478   vnc-jpeg        JPEG lossy compression for VNC server
1479   vnc-png         PNG compression for VNC server
1480   cocoa           Cocoa UI (Mac OS X only)
1481   virtfs          VirtFS
1482   xen             xen backend driver support
1483   xen-pci-passthrough
1484   brlapi          BrlAPI (Braile)
1485   curl            curl connectivity
1486   fdt             fdt device tree
1487   bluez           bluez stack connectivity
1488   kvm             KVM acceleration support
1489   hax             HAX acceleration support
1490   rdma            RDMA-based migration support
1491   vde             support for vde network
1492   netmap          support for netmap network
1493   linux-aio       Linux AIO support
1494   cap-ng          libcap-ng support
1495   attr            attr and xattr support
1496   vhost-net       vhost-net acceleration support
1497   spice           spice
1498   rbd             rados block device (rbd)
1499   libiscsi        iscsi support
1500   libnfs          nfs support
1501   smartcard       smartcard support (libcacard)
1502   libusb          libusb (for usb passthrough)
1503   live-block-migration   Block migration in the main migration stream
1504   usb-redir       usb network redirection support
1505   lzo             support of lzo compression library
1506   snappy          support of snappy compression library
1507   bzip2           support of bzip2 compression library
1508                   (for reading bzip2-compressed dmg images)
1509   seccomp         seccomp support
1510   coroutine-pool  coroutine freelist (better performance)
1511   glusterfs       GlusterFS backend
1512   tpm             TPM support
1513   libssh2         ssh block device support
1514   numa            libnuma support
1515   tcmalloc        tcmalloc support
1516   jemalloc        jemalloc support
1517   replication     replication support
1518   vhost-vsock     virtio sockets device support
1519   opengl          opengl support
1520   virglrenderer   virgl rendering support
1521   xfsctl          xfsctl support
1522   qom-cast-debug  cast debugging support
1523   tools           build qemu-io, qemu-nbd and qemu-image tools
1524   vxhs            Veritas HyperScale vDisk backend support
1525   crypto-afalg    Linux AF_ALG crypto backend driver
1526   vhost-user      vhost-user support
1527
1528 NOTE: The object files are built at the place where configure is launched
1529 EOF
1530 exit 0
1531 fi
1532
1533 if ! has $python; then
1534   error_exit "Python not found. Use --python=/path/to/python"
1535 fi
1536
1537 # Note that if the Python conditional here evaluates True we will exit
1538 # with status 1 which is a shell 'false' value.
1539 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1540   error_exit "Cannot use '$python', Python 2.6 or later is required." \
1541       "Note that Python 3 or later is not yet supported." \
1542       "Use --python=/path/to/python to specify a supported Python."
1543 fi
1544
1545 # Suppress writing compiled files
1546 python="$python -B"
1547
1548 # Now we have handled --enable-tcg-interpreter and know we're not just
1549 # printing the help message, bail out if the host CPU isn't supported.
1550 if test "$ARCH" = "unknown"; then
1551     if test "$tcg_interpreter" = "yes" ; then
1552         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1553     else
1554         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1555     fi
1556 fi
1557
1558 # Consult white-list to determine whether to enable werror
1559 # by default.  Only enable by default for git builds
1560 if test -z "$werror" ; then
1561     if test -d "$source_path/.git" -a \
1562         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1563         werror="yes"
1564     else
1565         werror="no"
1566     fi
1567 fi
1568
1569 # check that the C compiler works.
1570 write_c_skeleton;
1571 if compile_object ; then
1572   : C compiler works ok
1573 else
1574     error_exit "\"$cc\" either does not exist or does not work"
1575 fi
1576 if ! compile_prog ; then
1577     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1578 fi
1579
1580 if test "$bogus_os" = "yes"; then
1581     # Now that we know that we're not printing the help and that
1582     # the compiler works (so the results of the check_defines we used
1583     # to identify the OS are reliable), if we didn't recognize the
1584     # host OS we should stop now.
1585     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1586 fi
1587
1588 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1589 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1590 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1591 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1592 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1593 gcc_flags="-Wno-string-plus-int $gcc_flags"
1594 # Note that we do not add -Werror to gcc_flags here, because that would
1595 # enable it for all configure tests. If a configure test failed due
1596 # to -Werror this would just silently disable some features,
1597 # so it's too error prone.
1598
1599 cc_has_warning_flag() {
1600     write_c_skeleton;
1601
1602     # Use the positive sense of the flag when testing for -Wno-wombat
1603     # support (gcc will happily accept the -Wno- form of unknown
1604     # warning options).
1605     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1606     compile_prog "-Werror $optflag" ""
1607 }
1608
1609 for flag in $gcc_flags; do
1610     if cc_has_warning_flag $flag ; then
1611         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1612     fi
1613 done
1614
1615 if test "$stack_protector" != "no"; then
1616   cat > $TMPC << EOF
1617 int main(int argc, char *argv[])
1618 {
1619     char arr[64], *p = arr, *c = argv[0];
1620     while (*c) {
1621         *p++ = *c++;
1622     }
1623     return 0;
1624 }
1625 EOF
1626   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1627   sp_on=0
1628   for flag in $gcc_flags; do
1629     # We need to check both a compile and a link, since some compiler
1630     # setups fail only on a .c->.o compile and some only at link time
1631     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1632        compile_prog "-Werror $flag" ""; then
1633       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1634       sp_on=1
1635       break
1636     fi
1637   done
1638   if test "$stack_protector" = yes; then
1639     if test $sp_on = 0; then
1640       error_exit "Stack protector not supported"
1641     fi
1642   fi
1643 fi
1644
1645 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1646 # large functions that use global variables.  The bug is in all releases of
1647 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1648 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1649 cat > $TMPC << EOF
1650 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1651 int main(void) { return 0; }
1652 #else
1653 #error No bug in this compiler.
1654 #endif
1655 EOF
1656 if compile_prog "-Werror -fno-gcse" "" ; then
1657   TRANSLATE_OPT_CFLAGS=-fno-gcse
1658 fi
1659
1660 if test "$static" = "yes" ; then
1661   if test "$modules" = "yes" ; then
1662     error_exit "static and modules are mutually incompatible"
1663   fi
1664   if test "$pie" = "yes" ; then
1665     error_exit "static and pie are mutually incompatible"
1666   else
1667     pie="no"
1668   fi
1669 fi
1670
1671 # Unconditional check for compiler __thread support
1672   cat > $TMPC << EOF
1673 static __thread int tls_var;
1674 int main(void) { return tls_var; }
1675 EOF
1676
1677 if ! compile_prog "-Werror" "" ; then
1678     error_exit "Your compiler does not support the __thread specifier for " \
1679         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1680 fi
1681
1682 if test "$pie" = ""; then
1683   case "$cpu-$targetos" in
1684     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1685       ;;
1686     *)
1687       pie="no"
1688       ;;
1689   esac
1690 fi
1691
1692 if test "$pie" != "no" ; then
1693   cat > $TMPC << EOF
1694
1695 #ifdef __linux__
1696 #  define THREAD __thread
1697 #else
1698 #  define THREAD
1699 #endif
1700
1701 static THREAD int tls_var;
1702
1703 int main(void) { return tls_var; }
1704
1705 EOF
1706   if compile_prog "-fPIE -DPIE" "-pie"; then
1707     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1708     LDFLAGS="-pie $LDFLAGS"
1709     pie="yes"
1710     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1711       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1712     fi
1713   else
1714     if test "$pie" = "yes"; then
1715       error_exit "PIE not available due to missing toolchain support"
1716     else
1717       echo "Disabling PIE due to missing toolchain support"
1718       pie="no"
1719     fi
1720   fi
1721
1722   if compile_prog "-Werror -fno-pie" "-nopie"; then
1723     CFLAGS_NOPIE="-fno-pie"
1724     LDFLAGS_NOPIE="-nopie"
1725   fi
1726 fi
1727
1728 ##########################################
1729 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1730 # use i686 as default anyway, but for those that don't, an explicit
1731 # specification is necessary
1732
1733 if test "$cpu" = "i386"; then
1734   cat > $TMPC << EOF
1735 static int sfaa(int *ptr)
1736 {
1737   return __sync_fetch_and_and(ptr, 0);
1738 }
1739
1740 int main(void)
1741 {
1742   int val = 42;
1743   val = __sync_val_compare_and_swap(&val, 0, 1);
1744   sfaa(&val);
1745   return val;
1746 }
1747 EOF
1748   if ! compile_prog "" "" ; then
1749     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1750   fi
1751 fi
1752
1753 #########################################
1754 # Solaris specific configure tool chain decisions
1755
1756 if test "$solaris" = "yes" ; then
1757   if has $install; then
1758     :
1759   else
1760     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1761         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1762         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1763   fi
1764   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1765     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1766         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1767         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1768   fi
1769   if has ar; then
1770     :
1771   else
1772     if test -f /usr/ccs/bin/ar ; then
1773       error_exit "No path includes ar" \
1774           "Add /usr/ccs/bin to your path and rerun configure"
1775     fi
1776     error_exit "No path includes ar"
1777   fi
1778 fi
1779
1780 if test -z "${target_list+xxx}" ; then
1781     for target in $default_target_list; do
1782         supported_target $target 2>/dev/null && \
1783             target_list="$target_list $target"
1784     done
1785     target_list="${target_list# }"
1786 else
1787     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1788     for target in $target_list; do
1789         # Check that we recognised the target name; this allows a more
1790         # friendly error message than if we let it fall through.
1791         case " $default_target_list " in
1792             *" $target "*)
1793                 ;;
1794             *)
1795                 error_exit "Unknown target name '$target'"
1796                 ;;
1797         esac
1798         supported_target $target || exit 1
1799     done
1800 fi
1801
1802 # see if system emulation was really requested
1803 case " $target_list " in
1804   *"-softmmu "*) softmmu=yes
1805   ;;
1806   *) softmmu=no
1807   ;;
1808 esac
1809
1810 feature_not_found() {
1811   feature=$1
1812   remedy=$2
1813
1814   error_exit "User requested feature $feature" \
1815       "configure was not able to find it." \
1816       "$remedy"
1817 }
1818
1819 # ---
1820 # big/little endian test
1821 cat > $TMPC << EOF
1822 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1823 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1824 extern int foo(short *, short *);
1825 int main(int argc, char *argv[]) {
1826     return foo(big_endian, little_endian);
1827 }
1828 EOF
1829
1830 if compile_object ; then
1831     if grep -q BiGeNdIaN $TMPO ; then
1832         bigendian="yes"
1833     elif grep -q LiTtLeEnDiAn $TMPO ; then
1834         bigendian="no"
1835     else
1836         echo big/little test failed
1837     fi
1838 else
1839     echo big/little test failed
1840 fi
1841
1842 ##########################################
1843 # cocoa implies not SDL or GTK
1844 # (the cocoa UI code currently assumes it is always the active UI
1845 # and doesn't interact well with other UI frontend code)
1846 if test "$cocoa" = "yes"; then
1847     if test "$sdl" = "yes"; then
1848         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1849     fi
1850     if test "$gtk" = "yes"; then
1851         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1852     fi
1853     gtk=no
1854     sdl=no
1855 fi
1856
1857 # Some versions of Mac OS X incorrectly define SIZE_MAX
1858 cat > $TMPC << EOF
1859 #include <stdint.h>
1860 #include <stdio.h>
1861 int main(int argc, char *argv[]) {
1862     return printf("%zu", SIZE_MAX);
1863 }
1864 EOF
1865 have_broken_size_max=no
1866 if ! compile_object -Werror ; then
1867     have_broken_size_max=yes
1868 fi
1869
1870 ##########################################
1871 # L2TPV3 probe
1872
1873 cat > $TMPC <<EOF
1874 #include <sys/socket.h>
1875 #include <linux/ip.h>
1876 int main(void) { return sizeof(struct mmsghdr); }
1877 EOF
1878 if compile_prog "" "" ; then
1879   l2tpv3=yes
1880 else
1881   l2tpv3=no
1882 fi
1883
1884 ##########################################
1885 # MinGW / Mingw-w64 localtime_r/gmtime_r check
1886
1887 if test "$mingw32" = "yes"; then
1888     # Some versions of MinGW / Mingw-w64 lack localtime_r
1889     # and gmtime_r entirely.
1890     #
1891     # Some versions of Mingw-w64 define a macro for
1892     # localtime_r/gmtime_r.
1893     #
1894     # Some versions of Mingw-w64 will define functions
1895     # for localtime_r/gmtime_r, but only if you have
1896     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1897     # though, unistd.h and pthread.h both define
1898     # that for you.
1899     #
1900     # So this #undef localtime_r and #include <unistd.h>
1901     # are not in fact redundant.
1902 cat > $TMPC << EOF
1903 #include <unistd.h>
1904 #include <time.h>
1905 #undef localtime_r
1906 int main(void) { localtime_r(NULL, NULL); return 0; }
1907 EOF
1908     if compile_prog "" "" ; then
1909         localtime_r="yes"
1910     else
1911         localtime_r="no"
1912     fi
1913 fi
1914
1915 ##########################################
1916 # pkg-config probe
1917
1918 if ! has "$pkg_config_exe"; then
1919   error_exit "pkg-config binary '$pkg_config_exe' not found"
1920 fi
1921
1922 ##########################################
1923 # NPTL probe
1924
1925 if test "$linux_user" = "yes"; then
1926   cat > $TMPC <<EOF
1927 #include <sched.h>
1928 #include <linux/futex.h>
1929 int main(void) {
1930 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1931 #error bork
1932 #endif
1933   return 0;
1934 }
1935 EOF
1936   if ! compile_object ; then
1937     feature_not_found "nptl" "Install glibc and linux kernel headers."
1938   fi
1939 fi
1940
1941 #########################################
1942 # zlib check
1943
1944 if test "$zlib" != "no" ; then
1945     cat > $TMPC << EOF
1946 #include <zlib.h>
1947 int main(void) { zlibVersion(); return 0; }
1948 EOF
1949     if compile_prog "" "-lz" ; then
1950         :
1951     else
1952         error_exit "zlib check failed" \
1953             "Make sure to have the zlib libs and headers installed."
1954     fi
1955 fi
1956 LIBS="$LIBS -lz"
1957
1958 ##########################################
1959 # lzo check
1960
1961 if test "$lzo" != "no" ; then
1962     cat > $TMPC << EOF
1963 #include <lzo/lzo1x.h>
1964 int main(void) { lzo_version(); return 0; }
1965 EOF
1966     if compile_prog "" "-llzo2" ; then
1967         libs_softmmu="$libs_softmmu -llzo2"
1968         lzo="yes"
1969     else
1970         if test "$lzo" = "yes"; then
1971             feature_not_found "liblzo2" "Install liblzo2 devel"
1972         fi
1973         lzo="no"
1974     fi
1975 fi
1976
1977 ##########################################
1978 # snappy check
1979
1980 if test "$snappy" != "no" ; then
1981     cat > $TMPC << EOF
1982 #include <snappy-c.h>
1983 int main(void) { snappy_max_compressed_length(4096); return 0; }
1984 EOF
1985     if compile_prog "" "-lsnappy" ; then
1986         libs_softmmu="$libs_softmmu -lsnappy"
1987         snappy="yes"
1988     else
1989         if test "$snappy" = "yes"; then
1990             feature_not_found "libsnappy" "Install libsnappy devel"
1991         fi
1992         snappy="no"
1993     fi
1994 fi
1995
1996 ##########################################
1997 # bzip2 check
1998
1999 if test "$bzip2" != "no" ; then
2000     cat > $TMPC << EOF
2001 #include <bzlib.h>
2002 int main(void) { BZ2_bzlibVersion(); return 0; }
2003 EOF
2004     if compile_prog "" "-lbz2" ; then
2005         bzip2="yes"
2006     else
2007         if test "$bzip2" = "yes"; then
2008             feature_not_found "libbzip2" "Install libbzip2 devel"
2009         fi
2010         bzip2="no"
2011     fi
2012 fi
2013
2014 ##########################################
2015 # libseccomp check
2016
2017 if test "$seccomp" != "no" ; then
2018     case "$cpu" in
2019     i386|x86_64)
2020         libseccomp_minver="2.1.0"
2021         ;;
2022     mips)
2023         libseccomp_minver="2.2.0"
2024         ;;
2025     arm|aarch64)
2026         libseccomp_minver="2.2.3"
2027         ;;
2028     ppc|ppc64)
2029         libseccomp_minver="2.3.0"
2030         ;;
2031     *)
2032         libseccomp_minver=""
2033         ;;
2034     esac
2035
2036     if test "$libseccomp_minver" != "" &&
2037        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2038         libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)"
2039         QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)"
2040         seccomp="yes"
2041     else
2042         if test "$seccomp" = "yes" ; then
2043             if test "$libseccomp_minver" != "" ; then
2044                 feature_not_found "libseccomp" \
2045                     "Install libseccomp devel >= $libseccomp_minver"
2046             else
2047                 feature_not_found "libseccomp" \
2048                     "libseccomp is not supported for host cpu $cpu"
2049             fi
2050         fi
2051         seccomp="no"
2052     fi
2053 fi
2054 ##########################################
2055 # xen probe
2056
2057 if test "$xen" != "no" ; then
2058   # Check whether Xen library path is specified via --extra-ldflags to avoid
2059   # overriding this setting with pkg-config output. If not, try pkg-config
2060   # to obtain all needed flags.
2061
2062   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2063      $pkg_config --exists xencontrol ; then
2064     xen_ctrl_version="$(printf '%d%02d%02d' \
2065       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2066     xen=yes
2067     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2068     xen_pc="$xen_pc xenevtchn xendevicemodel"
2069     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2070     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2071     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2072   else
2073
2074     xen_libs="-lxenstore -lxenctrl -lxenguest"
2075     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2076
2077     # First we test whether Xen headers and libraries are available.
2078     # If no, we are done and there is no Xen support.
2079     # If yes, more tests are run to detect the Xen version.
2080
2081     # Xen (any)
2082     cat > $TMPC <<EOF
2083 #include <xenctrl.h>
2084 int main(void) {
2085   return 0;
2086 }
2087 EOF
2088     if ! compile_prog "" "$xen_libs" ; then
2089       # Xen not found
2090       if test "$xen" = "yes" ; then
2091         feature_not_found "xen" "Install xen devel"
2092       fi
2093       xen=no
2094
2095     # Xen unstable
2096     elif
2097         cat > $TMPC <<EOF &&
2098 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2099 #include <xenforeignmemory.h>
2100 int main(void) {
2101   xenforeignmemory_handle *xfmem;
2102
2103   xfmem = xenforeignmemory_open(0, 0);
2104   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2105
2106   return 0;
2107 }
2108 EOF
2109         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2110       then
2111       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2112       xen_ctrl_version=41000
2113       xen=yes
2114     elif
2115         cat > $TMPC <<EOF &&
2116 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2117 #define __XEN_TOOLS__
2118 #include <xendevicemodel.h>
2119 int main(void) {
2120   xendevicemodel_handle *xd;
2121
2122   xd = xendevicemodel_open(0, 0);
2123   xendevicemodel_close(xd);
2124
2125   return 0;
2126 }
2127 EOF
2128         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2129       then
2130       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2131       xen_ctrl_version=40900
2132       xen=yes
2133     elif
2134         cat > $TMPC <<EOF &&
2135 /*
2136  * If we have stable libs the we don't want the libxc compat
2137  * layers, regardless of what CFLAGS we may have been given.
2138  *
2139  * Also, check if xengnttab_grant_copy_segment_t is defined and
2140  * grant copy operation is implemented.
2141  */
2142 #undef XC_WANT_COMPAT_EVTCHN_API
2143 #undef XC_WANT_COMPAT_GNTTAB_API
2144 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2145 #include <xenctrl.h>
2146 #include <xenstore.h>
2147 #include <xenevtchn.h>
2148 #include <xengnttab.h>
2149 #include <xenforeignmemory.h>
2150 #include <stdint.h>
2151 #include <xen/hvm/hvm_info_table.h>
2152 #if !defined(HVM_MAX_VCPUS)
2153 # error HVM_MAX_VCPUS not defined
2154 #endif
2155 int main(void) {
2156   xc_interface *xc = NULL;
2157   xenforeignmemory_handle *xfmem;
2158   xenevtchn_handle *xe;
2159   xengnttab_handle *xg;
2160   xen_domain_handle_t handle;
2161   xengnttab_grant_copy_segment_t* seg = NULL;
2162
2163   xs_daemon_open();
2164
2165   xc = xc_interface_open(0, 0, 0);
2166   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2167   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2168   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2169   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2170   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2171
2172   xfmem = xenforeignmemory_open(0, 0);
2173   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2174
2175   xe = xenevtchn_open(0, 0);
2176   xenevtchn_fd(xe);
2177
2178   xg = xengnttab_open(0, 0);
2179   xengnttab_grant_copy(xg, 0, seg);
2180
2181   return 0;
2182 }
2183 EOF
2184         compile_prog "" "$xen_libs $xen_stable_libs"
2185       then
2186       xen_ctrl_version=40800
2187       xen=yes
2188     elif
2189         cat > $TMPC <<EOF &&
2190 /*
2191  * If we have stable libs the we don't want the libxc compat
2192  * layers, regardless of what CFLAGS we may have been given.
2193  */
2194 #undef XC_WANT_COMPAT_EVTCHN_API
2195 #undef XC_WANT_COMPAT_GNTTAB_API
2196 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2197 #include <xenctrl.h>
2198 #include <xenstore.h>
2199 #include <xenevtchn.h>
2200 #include <xengnttab.h>
2201 #include <xenforeignmemory.h>
2202 #include <stdint.h>
2203 #include <xen/hvm/hvm_info_table.h>
2204 #if !defined(HVM_MAX_VCPUS)
2205 # error HVM_MAX_VCPUS not defined
2206 #endif
2207 int main(void) {
2208   xc_interface *xc = NULL;
2209   xenforeignmemory_handle *xfmem;
2210   xenevtchn_handle *xe;
2211   xengnttab_handle *xg;
2212   xen_domain_handle_t handle;
2213
2214   xs_daemon_open();
2215
2216   xc = xc_interface_open(0, 0, 0);
2217   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2218   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2219   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2220   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2221   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2222
2223   xfmem = xenforeignmemory_open(0, 0);
2224   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2225
2226   xe = xenevtchn_open(0, 0);
2227   xenevtchn_fd(xe);
2228
2229   xg = xengnttab_open(0, 0);
2230   xengnttab_map_grant_ref(xg, 0, 0, 0);
2231
2232   return 0;
2233 }
2234 EOF
2235         compile_prog "" "$xen_libs $xen_stable_libs"
2236       then
2237       xen_ctrl_version=40701
2238       xen=yes
2239     elif
2240         cat > $TMPC <<EOF &&
2241 #include <xenctrl.h>
2242 #include <stdint.h>
2243 int main(void) {
2244   xc_interface *xc = NULL;
2245   xen_domain_handle_t handle;
2246   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2247   return 0;
2248 }
2249 EOF
2250         compile_prog "" "$xen_libs"
2251       then
2252       xen_ctrl_version=40700
2253       xen=yes
2254
2255     # Xen 4.6
2256     elif
2257         cat > $TMPC <<EOF &&
2258 #include <xenctrl.h>
2259 #include <xenstore.h>
2260 #include <stdint.h>
2261 #include <xen/hvm/hvm_info_table.h>
2262 #if !defined(HVM_MAX_VCPUS)
2263 # error HVM_MAX_VCPUS not defined
2264 #endif
2265 int main(void) {
2266   xc_interface *xc;
2267   xs_daemon_open();
2268   xc = xc_interface_open(0, 0, 0);
2269   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2270   xc_gnttab_open(NULL, 0);
2271   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2272   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2273   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2274   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2275   return 0;
2276 }
2277 EOF
2278         compile_prog "" "$xen_libs"
2279       then
2280       xen_ctrl_version=40600
2281       xen=yes
2282
2283     # Xen 4.5
2284     elif
2285         cat > $TMPC <<EOF &&
2286 #include <xenctrl.h>
2287 #include <xenstore.h>
2288 #include <stdint.h>
2289 #include <xen/hvm/hvm_info_table.h>
2290 #if !defined(HVM_MAX_VCPUS)
2291 # error HVM_MAX_VCPUS not defined
2292 #endif
2293 int main(void) {
2294   xc_interface *xc;
2295   xs_daemon_open();
2296   xc = xc_interface_open(0, 0, 0);
2297   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2298   xc_gnttab_open(NULL, 0);
2299   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2300   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2301   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2302   return 0;
2303 }
2304 EOF
2305         compile_prog "" "$xen_libs"
2306       then
2307       xen_ctrl_version=40500
2308       xen=yes
2309
2310     elif
2311         cat > $TMPC <<EOF &&
2312 #include <xenctrl.h>
2313 #include <xenstore.h>
2314 #include <stdint.h>
2315 #include <xen/hvm/hvm_info_table.h>
2316 #if !defined(HVM_MAX_VCPUS)
2317 # error HVM_MAX_VCPUS not defined
2318 #endif
2319 int main(void) {
2320   xc_interface *xc;
2321   xs_daemon_open();
2322   xc = xc_interface_open(0, 0, 0);
2323   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2324   xc_gnttab_open(NULL, 0);
2325   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2326   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2327   return 0;
2328 }
2329 EOF
2330         compile_prog "" "$xen_libs"
2331       then
2332       xen_ctrl_version=40200
2333       xen=yes
2334
2335     else
2336       if test "$xen" = "yes" ; then
2337         feature_not_found "xen (unsupported version)" \
2338                           "Install a supported xen (xen 4.2 or newer)"
2339       fi
2340       xen=no
2341     fi
2342
2343     if test "$xen" = yes; then
2344       if test $xen_ctrl_version -ge 40701  ; then
2345         libs_softmmu="$xen_stable_libs $libs_softmmu"
2346       fi
2347       libs_softmmu="$xen_libs $libs_softmmu"
2348     fi
2349   fi
2350 fi
2351
2352 if test "$xen_pci_passthrough" != "no"; then
2353   if test "$xen" = "yes" && test "$linux" = "yes"; then
2354     xen_pci_passthrough=yes
2355   else
2356     if test "$xen_pci_passthrough" = "yes"; then
2357       error_exit "User requested feature Xen PCI Passthrough" \
2358           " but this feature requires /sys from Linux"
2359     fi
2360     xen_pci_passthrough=no
2361   fi
2362 fi
2363
2364 if test "$xen_pv_domain_build" = "yes" &&
2365    test "$xen" != "yes"; then
2366     error_exit "User requested Xen PV domain builder support" \
2367                "which requires Xen support."
2368 fi
2369
2370 ##########################################
2371 # Sparse probe
2372 if test "$sparse" != "no" ; then
2373   if has cgcc; then
2374     sparse=yes
2375   else
2376     if test "$sparse" = "yes" ; then
2377       feature_not_found "sparse" "Install sparse binary"
2378     fi
2379     sparse=no
2380   fi
2381 fi
2382
2383 ##########################################
2384 # X11 probe
2385 x11_cflags=
2386 x11_libs=-lX11
2387 if $pkg_config --exists "x11"; then
2388     x11_cflags=$($pkg_config --cflags x11)
2389     x11_libs=$($pkg_config --libs x11)
2390 fi
2391
2392 ##########################################
2393 # GTK probe
2394
2395 if test "$gtkabi" = ""; then
2396     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2397     # Use 2.0 as a fallback if that is available.
2398     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2399         gtkabi=3.0
2400     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2401         gtkabi=2.0
2402     else
2403         gtkabi=3.0
2404     fi
2405 fi
2406
2407 if test "$gtk" != "no"; then
2408     gtkpackage="gtk+-$gtkabi"
2409     gtkx11package="gtk+-x11-$gtkabi"
2410     if test "$gtkabi" = "3.0" ; then
2411       gtkversion="3.0.0"
2412     else
2413       gtkversion="2.18.0"
2414     fi
2415     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2416         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2417         gtk_libs=$($pkg_config --libs $gtkpackage)
2418         gtk_version=$($pkg_config --modversion $gtkpackage)
2419         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2420             gtk_cflags="$gtk_cflags $x11_cflags"
2421             gtk_libs="$gtk_libs $x11_libs"
2422         fi
2423         libs_softmmu="$gtk_libs $libs_softmmu"
2424         gtk="yes"
2425     elif test "$gtk" = "yes"; then
2426         feature_not_found "gtk" "Install gtk3-devel"
2427     else
2428         gtk="no"
2429     fi
2430 fi
2431
2432
2433 ##########################################
2434 # GNUTLS probe
2435
2436 gnutls_works() {
2437     # Unfortunately some distros have bad pkg-config information for gnutls
2438     # such that it claims to exist but you get a compiler error if you try
2439     # to use the options returned by --libs. Specifically, Ubuntu for --static
2440     # builds doesn't work:
2441     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2442     #
2443     # So sanity check the cflags/libs before assuming gnutls can be used.
2444     if ! $pkg_config --exists "gnutls"; then
2445         return 1
2446     fi
2447
2448     write_c_skeleton
2449     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2450 }
2451
2452 gnutls_gcrypt=no
2453 gnutls_nettle=no
2454 if test "$gnutls" != "no"; then
2455     if gnutls_works; then
2456         gnutls_cflags=$($pkg_config --cflags gnutls)
2457         gnutls_libs=$($pkg_config --libs gnutls)
2458         libs_softmmu="$gnutls_libs $libs_softmmu"
2459         libs_tools="$gnutls_libs $libs_tools"
2460         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2461         gnutls="yes"
2462
2463         # gnutls_rnd requires >= 2.11.0
2464         if $pkg_config --exists "gnutls >= 2.11.0"; then
2465             gnutls_rnd="yes"
2466         else
2467             gnutls_rnd="no"
2468         fi
2469
2470         if $pkg_config --exists 'gnutls >= 3.0'; then
2471             gnutls_gcrypt=no
2472             gnutls_nettle=yes
2473         elif $pkg_config --exists 'gnutls >= 2.12'; then
2474             case $($pkg_config --libs --static gnutls) in
2475                 *gcrypt*)
2476                     gnutls_gcrypt=yes
2477                     gnutls_nettle=no
2478                     ;;
2479                 *nettle*)
2480                     gnutls_gcrypt=no
2481                     gnutls_nettle=yes
2482                     ;;
2483                 *)
2484                     gnutls_gcrypt=yes
2485                     gnutls_nettle=no
2486                     ;;
2487             esac
2488         else
2489             gnutls_gcrypt=yes
2490             gnutls_nettle=no
2491         fi
2492     elif test "$gnutls" = "yes"; then
2493         feature_not_found "gnutls" "Install gnutls devel"
2494     else
2495         gnutls="no"
2496         gnutls_rnd="no"
2497     fi
2498 else
2499     gnutls_rnd="no"
2500 fi
2501
2502
2503 # If user didn't give a --disable/enable-gcrypt flag,
2504 # then mark as disabled if user requested nettle
2505 # explicitly, or if gnutls links to nettle
2506 if test -z "$gcrypt"
2507 then
2508     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2509     then
2510         gcrypt="no"
2511     fi
2512 fi
2513
2514 # If user didn't give a --disable/enable-nettle flag,
2515 # then mark as disabled if user requested gcrypt
2516 # explicitly, or if gnutls links to gcrypt
2517 if test -z "$nettle"
2518 then
2519     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2520     then
2521         nettle="no"
2522     fi
2523 fi
2524
2525 has_libgcrypt_config() {
2526     if ! has "libgcrypt-config"
2527     then
2528         return 1
2529     fi
2530
2531     if test -n "$cross_prefix"
2532     then
2533         host=$(libgcrypt-config --host)
2534         if test "$host-" != $cross_prefix
2535         then
2536             return 1
2537         fi
2538     fi
2539
2540     return 0
2541 }
2542
2543 if test "$gcrypt" != "no"; then
2544     if has_libgcrypt_config; then
2545         gcrypt_cflags=$(libgcrypt-config --cflags)
2546         gcrypt_libs=$(libgcrypt-config --libs)
2547         # Debian has remove -lgpg-error from libgcrypt-config
2548         # as it "spreads unnecessary dependencies" which in
2549         # turn breaks static builds...
2550         if test "$static" = "yes"
2551         then
2552             gcrypt_libs="$gcrypt_libs -lgpg-error"
2553         fi
2554         libs_softmmu="$gcrypt_libs $libs_softmmu"
2555         libs_tools="$gcrypt_libs $libs_tools"
2556         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2557         gcrypt="yes"
2558         if test -z "$nettle"; then
2559            nettle="no"
2560         fi
2561
2562         cat > $TMPC << EOF
2563 #include <gcrypt.h>
2564 int main(void) {
2565   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2566                   GCRY_MD_SHA256,
2567                   NULL, 0, 0, 0, NULL);
2568  return 0;
2569 }
2570 EOF
2571         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2572             gcrypt_kdf=yes
2573         fi
2574
2575         cat > $TMPC << EOF
2576 #include <gcrypt.h>
2577 int main(void) {
2578   gcry_mac_hd_t handle;
2579   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2580                 GCRY_MAC_FLAG_SECURE, NULL);
2581   return 0;
2582 }
2583 EOF
2584         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2585             gcrypt_hmac=yes
2586         fi
2587     else
2588         if test "$gcrypt" = "yes"; then
2589             feature_not_found "gcrypt" "Install gcrypt devel"
2590         else
2591             gcrypt="no"
2592         fi
2593     fi
2594 fi
2595
2596
2597 if test "$nettle" != "no"; then
2598     if $pkg_config --exists "nettle"; then
2599         nettle_cflags=$($pkg_config --cflags nettle)
2600         nettle_libs=$($pkg_config --libs nettle)
2601         nettle_version=$($pkg_config --modversion nettle)
2602         libs_softmmu="$nettle_libs $libs_softmmu"
2603         libs_tools="$nettle_libs $libs_tools"
2604         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2605         nettle="yes"
2606
2607         cat > $TMPC << EOF
2608 #include <stddef.h>
2609 #include <nettle/pbkdf2.h>
2610 int main(void) {
2611      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2612      return 0;
2613 }
2614 EOF
2615         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2616             nettle_kdf=yes
2617         fi
2618     else
2619         if test "$nettle" = "yes"; then
2620             feature_not_found "nettle" "Install nettle devel"
2621         else
2622             nettle="no"
2623         fi
2624     fi
2625 fi
2626
2627 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2628 then
2629     error_exit "Only one of gcrypt & nettle can be enabled"
2630 fi
2631
2632 ##########################################
2633 # libtasn1 - only for the TLS creds/session test suite
2634
2635 tasn1=yes
2636 tasn1_cflags=""
2637 tasn1_libs=""
2638 if $pkg_config --exists "libtasn1"; then
2639     tasn1_cflags=$($pkg_config --cflags libtasn1)
2640     tasn1_libs=$($pkg_config --libs libtasn1)
2641 else
2642     tasn1=no
2643 fi
2644
2645
2646 ##########################################
2647 # getifaddrs (for tests/test-io-channel-socket )
2648
2649 have_ifaddrs_h=yes
2650 if ! check_include "ifaddrs.h" ; then
2651   have_ifaddrs_h=no
2652 fi
2653
2654 ##########################################
2655 # VTE probe
2656
2657 if test "$vte" != "no"; then
2658     if test "$gtkabi" = "3.0"; then
2659       vteminversion="0.32.0"
2660       if $pkg_config --exists "vte-2.91"; then
2661         vtepackage="vte-2.91"
2662       else
2663         vtepackage="vte-2.90"
2664       fi
2665     else
2666       vtepackage="vte"
2667       vteminversion="0.24.0"
2668     fi
2669     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2670         vte_cflags=$($pkg_config --cflags $vtepackage)
2671         vte_libs=$($pkg_config --libs $vtepackage)
2672         vteversion=$($pkg_config --modversion $vtepackage)
2673         libs_softmmu="$vte_libs $libs_softmmu"
2674         vte="yes"
2675     elif test "$vte" = "yes"; then
2676         if test "$gtkabi" = "3.0"; then
2677             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2678         else
2679             feature_not_found "vte" "Install libvte devel"
2680         fi
2681     else
2682         vte="no"
2683     fi
2684 fi
2685
2686 ##########################################
2687 # SDL probe
2688
2689 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2690 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2691
2692 if test "$sdlabi" = ""; then
2693     if $pkg_config --exists "sdl2"; then
2694         sdlabi=2.0
2695     elif $pkg_config --exists "sdl"; then
2696         sdlabi=1.2
2697     else
2698         sdlabi=2.0
2699     fi
2700 fi
2701
2702 if test $sdlabi = "2.0"; then
2703     sdl_config=$sdl2_config
2704     sdlname=sdl2
2705     sdlconfigname=sdl2_config
2706 elif test $sdlabi = "1.2"; then
2707     sdlname=sdl
2708     sdlconfigname=sdl_config
2709 else
2710     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2711 fi
2712
2713 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2714   sdl_config=$sdlconfigname
2715 fi
2716
2717 if $pkg_config $sdlname --exists; then
2718   sdlconfig="$pkg_config $sdlname"
2719   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2720 elif has ${sdl_config}; then
2721   sdlconfig="$sdl_config"
2722   sdlversion=$($sdlconfig --version)
2723 else
2724   if test "$sdl" = "yes" ; then
2725     feature_not_found "sdl" "Install SDL2-devel"
2726   fi
2727   sdl=no
2728 fi
2729 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2730   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2731 fi
2732
2733 sdl_too_old=no
2734 if test "$sdl" != "no" ; then
2735   cat > $TMPC << EOF
2736 #include <SDL.h>
2737 #undef main /* We don't want SDL to override our main() */
2738 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2739 EOF
2740   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2741   if test "$static" = "yes" ; then
2742     if $pkg_config $sdlname --exists; then
2743       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2744     else
2745       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2746     fi
2747   else
2748     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2749   fi
2750   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2751     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2752       sdl_too_old=yes
2753     else
2754       sdl=yes
2755     fi
2756
2757     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2758     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2759       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2760          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2761          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2762       fi
2763       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2764         :
2765       else
2766         sdl=no
2767       fi
2768     fi # static link
2769   else # sdl not found
2770     if test "$sdl" = "yes" ; then
2771       feature_not_found "sdl" "Install SDL devel"
2772     fi
2773     sdl=no
2774   fi # sdl compile test
2775 fi
2776
2777 if test "$sdl" = "yes" ; then
2778   cat > $TMPC <<EOF
2779 #include <SDL.h>
2780 #if defined(SDL_VIDEO_DRIVER_X11)
2781 #include <X11/XKBlib.h>
2782 #else
2783 #error No x11 support
2784 #endif
2785 int main(void) { return 0; }
2786 EOF
2787   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2788     sdl_cflags="$sdl_cflags $x11_cflags"
2789     sdl_libs="$sdl_libs $x11_libs"
2790   fi
2791   libs_softmmu="$sdl_libs $libs_softmmu"
2792 fi
2793
2794 ##########################################
2795 # RDMA needs OpenFabrics libraries
2796 if test "$rdma" != "no" ; then
2797   cat > $TMPC <<EOF
2798 #include <rdma/rdma_cma.h>
2799 int main(void) { return 0; }
2800 EOF
2801   rdma_libs="-lrdmacm -libverbs"
2802   if compile_prog "" "$rdma_libs" ; then
2803     rdma="yes"
2804     libs_softmmu="$libs_softmmu $rdma_libs"
2805   else
2806     if test "$rdma" = "yes" ; then
2807         error_exit \
2808             " OpenFabrics librdmacm/libibverbs not present." \
2809             " Your options:" \
2810             "  (1) Fast: Install infiniband packages from your distro." \
2811             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2812             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2813     fi
2814     rdma="no"
2815   fi
2816 fi
2817
2818
2819 ##########################################
2820 # VNC SASL detection
2821 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2822   cat > $TMPC <<EOF
2823 #include <sasl/sasl.h>
2824 #include <stdio.h>
2825 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2826 EOF
2827   # Assuming Cyrus-SASL installed in /usr prefix
2828   vnc_sasl_cflags=""
2829   vnc_sasl_libs="-lsasl2"
2830   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2831     vnc_sasl=yes
2832     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2833     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2834   else
2835     if test "$vnc_sasl" = "yes" ; then
2836       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2837     fi
2838     vnc_sasl=no
2839   fi
2840 fi
2841
2842 ##########################################
2843 # VNC JPEG detection
2844 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2845 cat > $TMPC <<EOF
2846 #include <stdio.h>
2847 #include <jpeglib.h>
2848 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2849 EOF
2850     vnc_jpeg_cflags=""
2851     vnc_jpeg_libs="-ljpeg"
2852   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2853     vnc_jpeg=yes
2854     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2855     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2856   else
2857     if test "$vnc_jpeg" = "yes" ; then
2858       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2859     fi
2860     vnc_jpeg=no
2861   fi
2862 fi
2863
2864 ##########################################
2865 # VNC PNG detection
2866 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2867 cat > $TMPC <<EOF
2868 //#include <stdio.h>
2869 #include <png.h>
2870 #include <stddef.h>
2871 int main(void) {
2872     png_structp png_ptr;
2873     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2874     return png_ptr != 0;
2875 }
2876 EOF
2877   if $pkg_config libpng --exists; then
2878     vnc_png_cflags=$($pkg_config libpng --cflags)
2879     vnc_png_libs=$($pkg_config libpng --libs)
2880   else
2881     vnc_png_cflags=""
2882     vnc_png_libs="-lpng"
2883   fi
2884   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2885     vnc_png=yes
2886     libs_softmmu="$vnc_png_libs $libs_softmmu"
2887     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2888   else
2889     if test "$vnc_png" = "yes" ; then
2890       feature_not_found "vnc-png" "Install libpng devel"
2891     fi
2892     vnc_png=no
2893   fi
2894 fi
2895
2896 ##########################################
2897 # fnmatch() probe, used for ACL routines
2898 fnmatch="no"
2899 cat > $TMPC << EOF
2900 #include <fnmatch.h>
2901 int main(void)
2902 {
2903     fnmatch("foo", "foo", 0);
2904     return 0;
2905 }
2906 EOF
2907 if compile_prog "" "" ; then
2908    fnmatch="yes"
2909 fi
2910
2911 ##########################################
2912 # xfsctl() probe, used for file-posix.c
2913 if test "$xfs" != "no" ; then
2914   cat > $TMPC << EOF
2915 #include <stddef.h>  /* NULL */
2916 #include <xfs/xfs.h>
2917 int main(void)
2918 {
2919     xfsctl(NULL, 0, 0, NULL);
2920     return 0;
2921 }
2922 EOF
2923   if compile_prog "" "" ; then
2924     xfs="yes"
2925   else
2926     if test "$xfs" = "yes" ; then
2927       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2928     fi
2929     xfs=no
2930   fi
2931 fi
2932
2933 ##########################################
2934 # vde libraries probe
2935 if test "$vde" != "no" ; then
2936   vde_libs="-lvdeplug"
2937   cat > $TMPC << EOF
2938 #include <libvdeplug.h>
2939 int main(void)
2940 {
2941     struct vde_open_args a = {0, 0, 0};
2942     char s[] = "";
2943     vde_open(s, s, &a);
2944     return 0;
2945 }
2946 EOF
2947   if compile_prog "" "$vde_libs" ; then
2948     vde=yes
2949     libs_softmmu="$vde_libs $libs_softmmu"
2950     libs_tools="$vde_libs $libs_tools"
2951   else
2952     if test "$vde" = "yes" ; then
2953       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2954     fi
2955     vde=no
2956   fi
2957 fi
2958
2959 ##########################################
2960 # netmap support probe
2961 # Apart from looking for netmap headers, we make sure that the host API version
2962 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2963 # a minor/major version number. Minor new features will be marked with values up
2964 # to 15, and if something happens that requires a change to the backend we will
2965 # move above 15, submit the backend fixes and modify this two bounds.
2966 if test "$netmap" != "no" ; then
2967   cat > $TMPC << EOF
2968 #include <inttypes.h>
2969 #include <net/if.h>
2970 #include <net/netmap.h>
2971 #include <net/netmap_user.h>
2972 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2973 #error
2974 #endif
2975 int main(void) { return 0; }
2976 EOF
2977   if compile_prog "" "" ; then
2978     netmap=yes
2979   else
2980     if test "$netmap" = "yes" ; then
2981       feature_not_found "netmap"
2982     fi
2983     netmap=no
2984   fi
2985 fi
2986
2987 ##########################################
2988 # libcap-ng library probe
2989 if test "$cap_ng" != "no" ; then
2990   cap_libs="-lcap-ng"
2991   cat > $TMPC << EOF
2992 #include <cap-ng.h>
2993 int main(void)
2994 {
2995     capng_capability_to_name(CAPNG_EFFECTIVE);
2996     return 0;
2997 }
2998 EOF
2999   if compile_prog "" "$cap_libs" ; then
3000     cap_ng=yes
3001     libs_tools="$cap_libs $libs_tools"
3002   else
3003     if test "$cap_ng" = "yes" ; then
3004       feature_not_found "cap_ng" "Install libcap-ng devel"
3005     fi
3006     cap_ng=no
3007   fi
3008 fi
3009
3010 ##########################################
3011 # Sound support libraries probe
3012
3013 audio_drv_probe()
3014 {
3015     drv=$1
3016     hdr=$2
3017     lib=$3
3018     exp=$4
3019     cfl=$5
3020         cat > $TMPC << EOF
3021 #include <$hdr>
3022 int main(void) { $exp }
3023 EOF
3024     if compile_prog "$cfl" "$lib" ; then
3025         :
3026     else
3027         error_exit "$drv check failed" \
3028             "Make sure to have the $drv libs and headers installed."
3029     fi
3030 }
3031
3032 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3033 for drv in $audio_drv_list; do
3034     case $drv in
3035     alsa)
3036     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3037         "return snd_pcm_close((snd_pcm_t *)0);"
3038     libs_softmmu="-lasound $libs_softmmu"
3039     ;;
3040
3041     pa)
3042     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3043         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3044     libs_softmmu="-lpulse $libs_softmmu"
3045     audio_pt_int="yes"
3046     ;;
3047
3048     sdl)
3049     if test "$sdl" = "no"; then
3050         error_exit "sdl not found or disabled, can not use sdl audio driver"
3051     fi
3052     ;;
3053
3054     coreaudio)
3055       libs_softmmu="-framework CoreAudio $libs_softmmu"
3056     ;;
3057
3058     dsound)
3059       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
3060       audio_win_int="yes"
3061     ;;
3062
3063     oss)
3064       libs_softmmu="$oss_lib $libs_softmmu"
3065     ;;
3066
3067     wav)
3068     # XXX: Probes for CoreAudio, DirectSound
3069     ;;
3070
3071     *)
3072     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3073         error_exit "Unknown driver '$drv' selected" \
3074             "Possible drivers are: $audio_possible_drivers"
3075     }
3076     ;;
3077     esac
3078 done
3079
3080 ##########################################
3081 # BrlAPI probe
3082
3083 if test "$brlapi" != "no" ; then
3084   brlapi_libs="-lbrlapi"
3085   cat > $TMPC << EOF
3086 #include <brlapi.h>
3087 #include <stddef.h>
3088 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3089 EOF
3090   if compile_prog "" "$brlapi_libs" ; then
3091     brlapi=yes
3092     libs_softmmu="$brlapi_libs $libs_softmmu"
3093   else
3094     if test "$brlapi" = "yes" ; then
3095       feature_not_found "brlapi" "Install brlapi devel"
3096     fi
3097     brlapi=no
3098   fi
3099 fi
3100
3101 ##########################################
3102 # curses probe
3103 if test "$curses" != "no" ; then
3104   if test "$mingw32" = "yes" ; then
3105     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3106     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3107   else
3108     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3109     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3110   fi
3111   curses_found=no
3112   cat > $TMPC << EOF
3113 #include <locale.h>
3114 #include <curses.h>
3115 #include <wchar.h>
3116 int main(void) {
3117   wchar_t wch = L'w';
3118   setlocale(LC_ALL, "");
3119   resize_term(0, 0);
3120   addwstr(L"wide chars\n");
3121   addnwstr(&wch, 1);
3122   add_wch(WACS_DEGREE);
3123   return 0;
3124 }
3125 EOF
3126   IFS=:
3127   for curses_inc in $curses_inc_list; do
3128     # Make sure we get the wide character prototypes
3129     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3130     IFS=:
3131     for curses_lib in $curses_lib_list; do
3132       unset IFS
3133       if compile_prog "$curses_inc" "$curses_lib" ; then
3134         curses_found=yes
3135         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3136         libs_softmmu="$curses_lib $libs_softmmu"
3137         break
3138       fi
3139     done
3140     if test "$curses_found" = yes ; then
3141       break
3142     fi
3143   done
3144   unset IFS
3145   if test "$curses_found" = "yes" ; then
3146     curses=yes
3147   else
3148     if test "$curses" = "yes" ; then
3149       feature_not_found "curses" "Install ncurses devel"
3150     fi
3151     curses=no
3152   fi
3153 fi
3154
3155 ##########################################
3156 # curl probe
3157 if test "$curl" != "no" ; then
3158   if $pkg_config libcurl --exists; then
3159     curlconfig="$pkg_config libcurl"
3160   else
3161     curlconfig=curl-config
3162   fi
3163   cat > $TMPC << EOF
3164 #include <curl/curl.h>
3165 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3166 EOF
3167   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3168   curl_libs=$($curlconfig --libs 2>/dev/null)
3169   if compile_prog "$curl_cflags" "$curl_libs" ; then
3170     curl=yes
3171   else
3172     if test "$curl" = "yes" ; then
3173       feature_not_found "curl" "Install libcurl devel"
3174     fi
3175     curl=no
3176   fi
3177 fi # test "$curl"
3178
3179 ##########################################
3180 # bluez support probe
3181 if test "$bluez" != "no" ; then
3182   cat > $TMPC << EOF
3183 #include <bluetooth/bluetooth.h>
3184 int main(void) { return bt_error(0); }
3185 EOF
3186   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3187   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3188   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3189     bluez=yes
3190     libs_softmmu="$bluez_libs $libs_softmmu"
3191   else
3192     if test "$bluez" = "yes" ; then
3193       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3194     fi
3195     bluez="no"
3196   fi
3197 fi
3198
3199 ##########################################
3200 # glib support probe
3201
3202 if test "$mingw32" = yes; then
3203     glib_req_ver=2.30
3204 else
3205     glib_req_ver=2.22
3206 fi
3207 glib_modules=gthread-2.0
3208 if test "$modules" = yes; then
3209     glib_modules="$glib_modules gmodule-2.0"
3210 fi
3211
3212 # This workaround is required due to a bug in pkg-config file for glib as it
3213 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3214
3215 if test "$static" = yes -a "$mingw32" = yes; then
3216     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3217 fi
3218
3219 for i in $glib_modules; do
3220     if $pkg_config --atleast-version=$glib_req_ver $i; then
3221         glib_cflags=$($pkg_config --cflags $i)
3222         glib_libs=$($pkg_config --libs $i)
3223         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3224         LIBS="$glib_libs $LIBS"
3225         libs_qga="$glib_libs $libs_qga"
3226     else
3227         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3228     fi
3229 done
3230
3231 # Sanity check that the current size_t matches the
3232 # size that glib thinks it should be. This catches
3233 # problems on multi-arch where people try to build
3234 # 32-bit QEMU while pointing at 64-bit glib headers
3235 cat > $TMPC <<EOF
3236 #include <glib.h>
3237 #include <unistd.h>
3238
3239 #define QEMU_BUILD_BUG_ON(x) \
3240   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3241
3242 int main(void) {
3243    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3244    return 0;
3245 }
3246 EOF
3247
3248 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3249     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3250                "You probably need to set PKG_CONFIG_LIBDIR"\
3251                "to point to the right pkg-config files for your"\
3252                "build target"
3253 fi
3254
3255 # g_test_trap_subprocess added in 2.38. Used by some tests.
3256 glib_subprocess=yes
3257 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3258     glib_subprocess=no
3259 fi
3260
3261 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3262 cat > $TMPC << EOF
3263 #include <glib.h>
3264 int main(void) { return 0; }
3265 EOF
3266 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3267     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3268         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3269         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3270     fi
3271 fi
3272
3273 ##########################################
3274 # SHA command probe for modules
3275 if test "$modules" = yes; then
3276     shacmd_probe="sha1sum sha1 shasum"
3277     for c in $shacmd_probe; do
3278         if has $c; then
3279             shacmd="$c"
3280             break
3281         fi
3282     done
3283     if test "$shacmd" = ""; then
3284         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3285     fi
3286 fi
3287
3288 ##########################################
3289 # pixman support probe
3290
3291 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3292   pixman_cflags=
3293   pixman_libs=
3294 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3295   pixman_cflags=$($pkg_config --cflags pixman-1)
3296   pixman_libs=$($pkg_config --libs pixman-1)
3297 else
3298   error_exit "pixman >= 0.21.8 not present." \
3299       "Please install the pixman devel package."
3300 fi
3301
3302 ##########################################
3303 # libcap probe
3304
3305 if test "$cap" != "no" ; then
3306   cat > $TMPC <<EOF
3307 #include <stdio.h>
3308 #include <sys/capability.h>
3309 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3310 EOF
3311   if compile_prog "" "-lcap" ; then
3312     cap=yes
3313   else
3314     cap=no
3315   fi
3316 fi
3317
3318 ##########################################
3319 # pthread probe
3320 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3321
3322 pthread=no
3323 cat > $TMPC << EOF
3324 #include <pthread.h>
3325 static void *f(void *p) { return NULL; }
3326 int main(void) {
3327   pthread_t thread;
3328   pthread_create(&thread, 0, f, 0);
3329   return 0;
3330 }
3331 EOF
3332 if compile_prog "" "" ; then
3333   pthread=yes
3334 else
3335   for pthread_lib in $PTHREADLIBS_LIST; do
3336     if compile_prog "" "$pthread_lib" ; then
3337       pthread=yes
3338       found=no
3339       for lib_entry in $LIBS; do
3340         if test "$lib_entry" = "$pthread_lib"; then
3341           found=yes
3342           break
3343         fi
3344       done
3345       if test "$found" = "no"; then
3346         LIBS="$pthread_lib $LIBS"
3347       fi
3348       PTHREAD_LIB="$pthread_lib"
3349       break
3350     fi
3351   done
3352 fi
3353
3354 if test "$mingw32" != yes -a "$pthread" = no; then
3355   error_exit "pthread check failed" \
3356       "Make sure to have the pthread libs and headers installed."
3357 fi
3358
3359 # check for pthread_setname_np
3360 pthread_setname_np=no
3361 cat > $TMPC << EOF
3362 #include <pthread.h>
3363
3364 static void *f(void *p) { return NULL; }
3365 int main(void)
3366 {
3367     pthread_t thread;
3368     pthread_create(&thread, 0, f, 0);
3369     pthread_setname_np(thread, "QEMU");
3370     return 0;
3371 }
3372 EOF
3373 if compile_prog "" "$pthread_lib" ; then
3374   pthread_setname_np=yes
3375 fi
3376
3377 ##########################################
3378 # rbd probe
3379 if test "$rbd" != "no" ; then
3380   cat > $TMPC <<EOF
3381 #include <stdio.h>
3382 #include <rbd/librbd.h>
3383 int main(void) {
3384     rados_t cluster;
3385     rados_create(&cluster, NULL);
3386     return 0;
3387 }
3388 EOF
3389   rbd_libs="-lrbd -lrados"
3390   if compile_prog "" "$rbd_libs" ; then
3391     rbd=yes
3392   else
3393     if test "$rbd" = "yes" ; then
3394       feature_not_found "rados block device" "Install librbd/ceph devel"
3395     fi
3396     rbd=no
3397   fi
3398 fi
3399
3400 ##########################################
3401 # libssh2 probe
3402 min_libssh2_version=1.2.8
3403 if test "$libssh2" != "no" ; then
3404   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3405     libssh2_cflags=$($pkg_config libssh2 --cflags)
3406     libssh2_libs=$($pkg_config libssh2 --libs)
3407     libssh2=yes
3408   else
3409     if test "$libssh2" = "yes" ; then
3410       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3411     fi
3412     libssh2=no
3413   fi
3414 fi
3415
3416 ##########################################
3417 # libssh2_sftp_fsync probe
3418
3419 if test "$libssh2" = "yes"; then
3420   cat > $TMPC <<EOF
3421 #include <stdio.h>
3422 #include <libssh2.h>
3423 #include <libssh2_sftp.h>
3424 int main(void) {
3425     LIBSSH2_SESSION *session;
3426     LIBSSH2_SFTP *sftp;
3427     LIBSSH2_SFTP_HANDLE *sftp_handle;
3428     session = libssh2_session_init ();
3429     sftp = libssh2_sftp_init (session);
3430     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3431     libssh2_sftp_fsync (sftp_handle);
3432     return 0;
3433 }
3434 EOF
3435   # libssh2_cflags/libssh2_libs defined in previous test.
3436   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3437     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3438   fi
3439 fi
3440
3441 ##########################################
3442 # linux-aio probe
3443
3444 if test "$linux_aio" != "no" ; then
3445   cat > $TMPC <<EOF
3446 #include <libaio.h>
3447 #include <sys/eventfd.h>
3448 #include <stddef.h>
3449 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3450 EOF
3451   if compile_prog "" "-laio" ; then
3452     linux_aio=yes
3453   else
3454     if test "$linux_aio" = "yes" ; then
3455       feature_not_found "linux AIO" "Install libaio devel"
3456     fi
3457     linux_aio=no
3458   fi
3459 fi
3460
3461 ##########################################
3462 # TPM passthrough is only on x86 Linux
3463
3464 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3465   tpm_passthrough=$tpm
3466 else
3467   tpm_passthrough=no
3468 fi
3469
3470 ##########################################
3471 # attr probe
3472
3473 if test "$attr" != "no" ; then
3474   cat > $TMPC <<EOF
3475 #include <stdio.h>
3476 #include <sys/types.h>
3477 #ifdef CONFIG_LIBATTR
3478 #include <attr/xattr.h>
3479 #else
3480 #include <sys/xattr.h>
3481 #endif
3482 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3483 EOF
3484   if compile_prog "" "" ; then
3485     attr=yes
3486   # Older distros have <attr/xattr.h>, and need -lattr:
3487   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3488     attr=yes
3489     LIBS="-lattr $LIBS"
3490     libattr=yes
3491   else
3492     if test "$attr" = "yes" ; then
3493       feature_not_found "ATTR" "Install libc6 or libattr devel"
3494     fi
3495     attr=no
3496   fi
3497 fi
3498
3499 ##########################################
3500 # iovec probe
3501 cat > $TMPC <<EOF
3502 #include <sys/types.h>
3503 #include <sys/uio.h>
3504 #include <unistd.h>
3505 int main(void) { return sizeof(struct iovec); }
3506 EOF
3507 iovec=no
3508 if compile_prog "" "" ; then
3509   iovec=yes
3510 fi
3511
3512 ##########################################
3513 # preadv probe
3514 cat > $TMPC <<EOF
3515 #include <sys/types.h>
3516 #include <sys/uio.h>
3517 #include <unistd.h>
3518 int main(void) { return preadv(0, 0, 0, 0); }
3519 EOF
3520 preadv=no
3521 if compile_prog "" "" ; then
3522   preadv=yes
3523 fi
3524
3525 ##########################################
3526 # fdt probe
3527 # fdt support is mandatory for at least some target architectures,
3528 # so insist on it if we're building those system emulators.
3529 fdt_required=no
3530 for target in $target_list; do
3531   case $target in
3532     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3533       fdt_required=yes
3534     ;;
3535   esac
3536 done
3537
3538 if test "$fdt_required" = "yes"; then
3539   if test "$fdt" = "no"; then
3540     error_exit "fdt disabled but some requested targets require it." \
3541       "You can turn off fdt only if you also disable all the system emulation" \
3542       "targets which need it (by specifying a cut down --target-list)."
3543   fi
3544   fdt=yes
3545 fi
3546
3547 if test "$fdt" != "no" ; then
3548   fdt_libs="-lfdt"
3549   # explicitly check for libfdt_env.h as it is missing in some stable installs
3550   # and test for required functions to make sure we are on a version >= 1.4.2
3551   cat > $TMPC << EOF
3552 #include <libfdt.h>
3553 #include <libfdt_env.h>
3554 int main(void) { fdt_first_subnode(0, 0); return 0; }
3555 EOF
3556   if compile_prog "" "$fdt_libs" ; then
3557     # system DTC is good - use it
3558     fdt=yes
3559   elif test -d ${source_path}/dtc/libfdt ; then
3560     # have submodule DTC - use it
3561     fdt=yes
3562     dtc_internal="yes"
3563     mkdir -p dtc
3564     if [ "$pwd_is_source_path" != "y" ] ; then
3565        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3566        symlink "$source_path/dtc/scripts" "dtc/scripts"
3567     fi
3568     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3569     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3570   elif test "$fdt" = "yes" ; then
3571     # have neither and want - prompt for system/submodule install
3572     error_exit "DTC (libfdt) version >= 1.4.2 not present. Your options:" \
3573         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3574         "  (2) Fetch the DTC submodule, using:" \
3575         "      git submodule update --init dtc"
3576   else
3577     # don't have and don't want
3578     fdt_libs=
3579     fdt=no
3580   fi
3581 fi
3582
3583 libs_softmmu="$libs_softmmu $fdt_libs"
3584
3585 ##########################################
3586 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3587
3588 if test "$opengl" != "no" ; then
3589   opengl_pkgs="epoxy libdrm gbm"
3590   if $pkg_config $opengl_pkgs x11; then
3591     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3592     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3593     opengl=yes
3594     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3595         gtk_gl="yes"
3596     fi
3597     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3598   else
3599     if test "$opengl" = "yes" ; then
3600       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3601     fi
3602     opengl_cflags=""
3603     opengl_libs=""
3604     opengl=no
3605   fi
3606 fi
3607
3608 if test "$opengl" = "yes"; then
3609   cat > $TMPC << EOF
3610 #include <epoxy/egl.h>
3611 #ifndef EGL_MESA_image_dma_buf_export
3612 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3613 #endif
3614 int main(void) { return 0; }
3615 EOF
3616   if compile_prog "" "" ; then
3617     opengl_dmabuf=yes
3618   fi
3619 fi
3620
3621
3622 ##########################################
3623 # glusterfs probe
3624 if test "$glusterfs" != "no" ; then
3625   if $pkg_config --atleast-version=3 glusterfs-api; then
3626     glusterfs="yes"
3627     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3628     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3629     if $pkg_config --atleast-version=4 glusterfs-api; then
3630       glusterfs_xlator_opt="yes"
3631     fi
3632     if $pkg_config --atleast-version=5 glusterfs-api; then
3633       glusterfs_discard="yes"
3634     fi
3635     if $pkg_config --atleast-version=6 glusterfs-api; then
3636       glusterfs_fallocate="yes"
3637       glusterfs_zerofill="yes"
3638     fi
3639   else
3640     if test "$glusterfs" = "yes" ; then
3641       feature_not_found "GlusterFS backend support" \
3642           "Install glusterfs-api devel >= 3"
3643     fi
3644     glusterfs="no"
3645   fi
3646 fi
3647
3648 # Check for inotify functions when we are building linux-user
3649 # emulator.  This is done because older glibc versions don't
3650 # have syscall stubs for these implemented.  In that case we
3651 # don't provide them even if kernel supports them.
3652 #
3653 inotify=no
3654 cat > $TMPC << EOF
3655 #include <sys/inotify.h>
3656
3657 int
3658 main(void)
3659 {
3660         /* try to start inotify */
3661         return inotify_init();
3662 }
3663 EOF
3664 if compile_prog "" "" ; then
3665   inotify=yes
3666 fi
3667
3668 inotify1=no
3669 cat > $TMPC << EOF
3670 #include <sys/inotify.h>
3671
3672 int
3673 main(void)
3674 {
3675     /* try to start inotify */
3676     return inotify_init1(0);
3677 }
3678 EOF
3679 if compile_prog "" "" ; then
3680   inotify1=yes
3681 fi
3682
3683 # check if pipe2 is there
3684 pipe2=no
3685 cat > $TMPC << EOF
3686 #include <unistd.h>
3687 #include <fcntl.h>
3688
3689 int main(void)
3690 {
3691     int pipefd[2];
3692     return pipe2(pipefd, O_CLOEXEC);
3693 }
3694 EOF
3695 if compile_prog "" "" ; then
3696   pipe2=yes
3697 fi
3698
3699 # check if accept4 is there
3700 accept4=no
3701 cat > $TMPC << EOF
3702 #include <sys/socket.h>
3703 #include <stddef.h>
3704
3705 int main(void)
3706 {
3707     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3708     return 0;
3709 }
3710 EOF
3711 if compile_prog "" "" ; then
3712   accept4=yes
3713 fi
3714
3715 # check if tee/splice is there. vmsplice was added same time.
3716 splice=no
3717 cat > $TMPC << EOF
3718 #include <unistd.h>
3719 #include <fcntl.h>
3720 #include <limits.h>
3721
3722 int main(void)
3723 {
3724     int len, fd = 0;
3725     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3726     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3727     return 0;
3728 }
3729 EOF
3730 if compile_prog "" "" ; then
3731   splice=yes
3732 fi
3733
3734 ##########################################
3735 # libnuma probe
3736
3737 if test "$numa" != "no" ; then
3738   cat > $TMPC << EOF
3739 #include <numa.h>
3740 int main(void) { return numa_available(); }
3741 EOF
3742
3743   if compile_prog "" "-lnuma" ; then
3744     numa=yes
3745     libs_softmmu="-lnuma $libs_softmmu"
3746   else
3747     if test "$numa" = "yes" ; then
3748       feature_not_found "numa" "install numactl devel"
3749     fi
3750     numa=no
3751   fi
3752 fi
3753
3754 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3755     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3756     exit 1
3757 fi
3758
3759 ##########################################
3760 # tcmalloc probe
3761
3762 if test "$tcmalloc" = "yes" ; then
3763   cat > $TMPC << EOF
3764 #include <stdlib.h>
3765 int main(void) { malloc(1); return 0; }
3766 EOF
3767
3768   if compile_prog "" "-ltcmalloc" ; then
3769     LIBS="-ltcmalloc $LIBS"
3770   else
3771     feature_not_found "tcmalloc" "install gperftools devel"
3772   fi
3773 fi
3774
3775 ##########################################
3776 # jemalloc probe
3777
3778 if test "$jemalloc" = "yes" ; then
3779   cat > $TMPC << EOF
3780 #include <stdlib.h>
3781 int main(void) { malloc(1); return 0; }
3782 EOF
3783
3784   if compile_prog "" "-ljemalloc" ; then
3785     LIBS="-ljemalloc $LIBS"
3786   else
3787     feature_not_found "jemalloc" "install jemalloc devel"
3788   fi
3789 fi
3790
3791 ##########################################
3792 # signalfd probe
3793 signalfd="no"
3794 cat > $TMPC << EOF
3795 #include <unistd.h>
3796 #include <sys/syscall.h>
3797 #include <signal.h>
3798 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3799 EOF
3800
3801 if compile_prog "" "" ; then
3802   signalfd=yes
3803 fi
3804
3805 # check if eventfd is supported
3806 eventfd=no
3807 cat > $TMPC << EOF
3808 #include <sys/eventfd.h>
3809
3810 int main(void)
3811 {
3812     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3813 }
3814 EOF
3815 if compile_prog "" "" ; then
3816   eventfd=yes
3817 fi
3818
3819 # check if memfd is supported
3820 memfd=no
3821 cat > $TMPC << EOF
3822 #include <sys/memfd.h>
3823
3824 int main(void)
3825 {
3826     return memfd_create("foo", MFD_ALLOW_SEALING);
3827 }
3828 EOF
3829 if compile_prog "" "" ; then
3830   memfd=yes
3831 fi
3832
3833
3834
3835 # check for fallocate
3836 fallocate=no
3837 cat > $TMPC << EOF
3838 #include <fcntl.h>
3839
3840 int main(void)
3841 {
3842     fallocate(0, 0, 0, 0);
3843     return 0;
3844 }
3845 EOF
3846 if compile_prog "" "" ; then
3847   fallocate=yes
3848 fi
3849
3850 # check for fallocate hole punching
3851 fallocate_punch_hole=no
3852 cat > $TMPC << EOF
3853 #include <fcntl.h>
3854 #include <linux/falloc.h>
3855
3856 int main(void)
3857 {
3858     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3859     return 0;
3860 }
3861 EOF
3862 if compile_prog "" "" ; then
3863   fallocate_punch_hole=yes
3864 fi
3865
3866 # check that fallocate supports range zeroing inside the file
3867 fallocate_zero_range=no
3868 cat > $TMPC << EOF
3869 #include <fcntl.h>
3870 #include <linux/falloc.h>
3871
3872 int main(void)
3873 {
3874     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3875     return 0;
3876 }
3877 EOF
3878 if compile_prog "" "" ; then
3879   fallocate_zero_range=yes
3880 fi
3881
3882 # check for posix_fallocate
3883 posix_fallocate=no
3884 cat > $TMPC << EOF
3885 #include <fcntl.h>
3886
3887 int main(void)
3888 {
3889     posix_fallocate(0, 0, 0);
3890     return 0;
3891 }
3892 EOF
3893 if compile_prog "" "" ; then
3894     posix_fallocate=yes
3895 fi
3896
3897 # check for sync_file_range
3898 sync_file_range=no
3899 cat > $TMPC << EOF
3900 #include <fcntl.h>
3901
3902 int main(void)
3903 {
3904     sync_file_range(0, 0, 0, 0);
3905     return 0;
3906 }
3907 EOF
3908 if compile_prog "" "" ; then
3909   sync_file_range=yes
3910 fi
3911
3912 # check for linux/fiemap.h and FS_IOC_FIEMAP
3913 fiemap=no
3914 cat > $TMPC << EOF
3915 #include <sys/ioctl.h>
3916 #include <linux/fs.h>
3917 #include <linux/fiemap.h>
3918
3919 int main(void)
3920 {
3921     ioctl(0, FS_IOC_FIEMAP, 0);
3922     return 0;
3923 }
3924 EOF
3925 if compile_prog "" "" ; then
3926   fiemap=yes
3927 fi
3928
3929 # check for dup3
3930 dup3=no
3931 cat > $TMPC << EOF
3932 #include <unistd.h>
3933
3934 int main(void)
3935 {
3936     dup3(0, 0, 0);
3937     return 0;
3938 }
3939 EOF
3940 if compile_prog "" "" ; then
3941   dup3=yes
3942 fi
3943
3944 # check for ppoll support
3945 ppoll=no
3946 cat > $TMPC << EOF
3947 #include <poll.h>
3948
3949 int main(void)
3950 {
3951     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3952     ppoll(&pfd, 1, 0, 0);
3953     return 0;
3954 }
3955 EOF
3956 if compile_prog "" "" ; then
3957   ppoll=yes
3958 fi
3959
3960 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3961 prctl_pr_set_timerslack=no
3962 cat > $TMPC << EOF
3963 #include <sys/prctl.h>
3964
3965 int main(void)
3966 {
3967     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3968     return 0;
3969 }
3970 EOF
3971 if compile_prog "" "" ; then
3972   prctl_pr_set_timerslack=yes
3973 fi
3974
3975 # check for epoll support
3976 epoll=no
3977 cat > $TMPC << EOF
3978 #include <sys/epoll.h>
3979
3980 int main(void)
3981 {
3982     epoll_create(0);
3983     return 0;
3984 }
3985 EOF
3986 if compile_prog "" "" ; then
3987   epoll=yes
3988 fi
3989
3990 # epoll_create1 is a later addition
3991 # so we must check separately for its presence
3992 epoll_create1=no
3993 cat > $TMPC << EOF
3994 #include <sys/epoll.h>
3995
3996 int main(void)
3997 {
3998     /* Note that we use epoll_create1 as a value, not as
3999      * a function being called. This is necessary so that on
4000      * old SPARC glibc versions where the function was present in
4001      * the library but not declared in the header file we will
4002      * fail the configure check. (Otherwise we will get a compiler
4003      * warning but not an error, and will proceed to fail the
4004      * qemu compile where we compile with -Werror.)
4005      */
4006     return (int)(uintptr_t)&epoll_create1;
4007 }
4008 EOF
4009 if compile_prog "" "" ; then
4010   epoll_create1=yes
4011 fi
4012
4013 # check for sendfile support
4014 sendfile=no
4015 cat > $TMPC << EOF
4016 #include <sys/sendfile.h>
4017
4018 int main(void)
4019 {
4020     return sendfile(0, 0, 0, 0);
4021 }
4022 EOF
4023 if compile_prog "" "" ; then
4024   sendfile=yes
4025 fi
4026
4027 # check for timerfd support (glibc 2.8 and newer)
4028 timerfd=no
4029 cat > $TMPC << EOF
4030 #include <sys/timerfd.h>
4031
4032 int main(void)
4033 {
4034     return(timerfd_create(CLOCK_REALTIME, 0));
4035 }
4036 EOF
4037 if compile_prog "" "" ; then
4038   timerfd=yes
4039 fi
4040
4041 # check for setns and unshare support
4042 setns=no
4043 cat > $TMPC << EOF
4044 #include <sched.h>
4045
4046 int main(void)
4047 {
4048     int ret;
4049     ret = setns(0, 0);
4050     ret = unshare(0);
4051     return ret;
4052 }
4053 EOF
4054 if compile_prog "" "" ; then
4055   setns=yes
4056 fi
4057
4058 # clock_adjtime probe
4059 clock_adjtime=no
4060 cat > $TMPC <<EOF
4061 #include <time.h>
4062
4063 int main(void)
4064 {
4065     return clock_adjtime(0, 0);
4066 }
4067 EOF
4068 clock_adjtime=no
4069 if compile_prog "" "" ; then
4070   clock_adjtime=yes
4071 fi
4072
4073 # syncfs probe
4074 syncfs=no
4075 cat > $TMPC <<EOF
4076 #include <unistd.h>
4077
4078 int main(void)
4079 {
4080     return syncfs(0);
4081 }
4082 EOF
4083 syncfs=no
4084 if compile_prog "" "" ; then
4085   syncfs=yes
4086 fi
4087
4088 # Check if tools are available to build documentation.
4089 if test "$docs" != "no" ; then
4090   if has makeinfo && has pod2man; then
4091     docs=yes
4092   else
4093     if test "$docs" = "yes" ; then
4094       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4095     fi
4096     docs=no
4097   fi
4098 fi
4099
4100 # Search for bswap_32 function
4101 byteswap_h=no
4102 cat > $TMPC << EOF
4103 #include <byteswap.h>
4104 int main(void) { return bswap_32(0); }
4105 EOF
4106 if compile_prog "" "" ; then
4107   byteswap_h=yes
4108 fi
4109
4110 # Search for bswap32 function
4111 bswap_h=no
4112 cat > $TMPC << EOF
4113 #include <sys/endian.h>
4114 #include <sys/types.h>
4115 #include <machine/bswap.h>
4116 int main(void) { return bswap32(0); }
4117 EOF
4118 if compile_prog "" "" ; then
4119   bswap_h=yes
4120 fi
4121
4122 ##########################################
4123 # Do we have libiscsi >= 1.9.0
4124 if test "$libiscsi" != "no" ; then
4125   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4126     libiscsi="yes"
4127     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4128     libiscsi_libs=$($pkg_config --libs libiscsi)
4129   else
4130     if test "$libiscsi" = "yes" ; then
4131       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4132     fi
4133     libiscsi="no"
4134   fi
4135 fi
4136
4137 ##########################################
4138 # Do we need libm
4139 cat > $TMPC << EOF
4140 #include <math.h>
4141 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4142 EOF
4143 if compile_prog "" "" ; then
4144   :
4145 elif compile_prog "" "-lm" ; then
4146   LIBS="-lm $LIBS"
4147   libs_qga="-lm $libs_qga"
4148 else
4149   error_exit "libm check failed"
4150 fi
4151
4152 ##########################################
4153 # Do we need librt
4154 # uClibc provides 2 versions of clock_gettime(), one with realtime
4155 # support and one without. This means that the clock_gettime() don't
4156 # need -lrt. We still need it for timer_create() so we check for this
4157 # function in addition.
4158 cat > $TMPC <<EOF
4159 #include <signal.h>
4160 #include <time.h>
4161 int main(void) {
4162   timer_create(CLOCK_REALTIME, NULL, NULL);
4163   return clock_gettime(CLOCK_REALTIME, NULL);
4164 }
4165 EOF
4166
4167 if compile_prog "" "" ; then
4168   :
4169 # we need pthread for static linking. use previous pthread test result
4170 elif compile_prog "" "$pthread_lib -lrt" ; then
4171   LIBS="$LIBS -lrt"
4172   libs_qga="$libs_qga -lrt"
4173 fi
4174
4175 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4176         "$haiku" != "yes" ; then
4177     libs_softmmu="-lutil $libs_softmmu"
4178 fi
4179
4180 ##########################################
4181 # spice probe
4182 if test "$spice" != "no" ; then
4183   cat > $TMPC << EOF
4184 #include <spice.h>
4185 int main(void) { spice_server_new(); return 0; }
4186 EOF
4187   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4188   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4189   if $pkg_config --atleast-version=0.12.0 spice-server && \
4190      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4191      compile_prog "$spice_cflags" "$spice_libs" ; then
4192     spice="yes"
4193     libs_softmmu="$libs_softmmu $spice_libs"
4194     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4195     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4196     spice_server_version=$($pkg_config --modversion spice-server)
4197   else
4198     if test "$spice" = "yes" ; then
4199       feature_not_found "spice" \
4200           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4201     fi
4202     spice="no"
4203   fi
4204 fi
4205
4206 # check for smartcard support
4207 smartcard_cflags=""
4208 if test "$smartcard" != "no"; then
4209     if $pkg_config libcacard; then
4210         libcacard_cflags=$($pkg_config --cflags libcacard)
4211         libcacard_libs=$($pkg_config --libs libcacard)
4212         QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
4213         libs_softmmu="$libs_softmmu $libcacard_libs"
4214         smartcard="yes"
4215     else
4216         if test "$smartcard" = "yes"; then
4217             feature_not_found "smartcard" "Install libcacard devel"
4218         fi
4219         smartcard="no"
4220     fi
4221 fi
4222
4223 # check for libusb
4224 if test "$libusb" != "no" ; then
4225     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4226         libusb="yes"
4227         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4228         libusb_libs=$($pkg_config --libs libusb-1.0)
4229         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
4230         libs_softmmu="$libs_softmmu $libusb_libs"
4231     else
4232         if test "$libusb" = "yes"; then
4233             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4234         fi
4235         libusb="no"
4236     fi
4237 fi
4238
4239 # check for usbredirparser for usb network redirection support
4240 if test "$usb_redir" != "no" ; then
4241     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4242         usb_redir="yes"
4243         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4244         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4245         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
4246         libs_softmmu="$libs_softmmu $usb_redir_libs"
4247     else
4248         if test "$usb_redir" = "yes"; then
4249             feature_not_found "usb-redir" "Install usbredir devel"
4250         fi
4251         usb_redir="no"
4252     fi
4253 fi
4254
4255 ##########################################
4256 # check if we have VSS SDK headers for win
4257
4258 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4259   case "$vss_win32_sdk" in
4260     "")   vss_win32_include="-isystem $source_path" ;;
4261     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4262           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4263           vss_win32_include="-isystem $source_path/.sdk/vss"
4264           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4265           ;;
4266     *)    vss_win32_include="-isystem $vss_win32_sdk"
4267   esac
4268   cat > $TMPC << EOF
4269 #define __MIDL_user_allocate_free_DEFINED__
4270 #include <inc/win2003/vss.h>
4271 int main(void) { return VSS_CTX_BACKUP; }
4272 EOF
4273   if compile_prog "$vss_win32_include" "" ; then
4274     guest_agent_with_vss="yes"
4275     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4276     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4277     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4278   else
4279     if test "$vss_win32_sdk" != "" ; then
4280       echo "ERROR: Please download and install Microsoft VSS SDK:"
4281       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4282       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4283       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4284       echo "ERROR: The headers are extracted in the directory \`inc'."
4285       feature_not_found "VSS support"
4286     fi
4287     guest_agent_with_vss="no"
4288   fi
4289 fi
4290
4291 ##########################################
4292 # lookup Windows platform SDK (if not specified)
4293 # The SDK is needed only to build .tlb (type library) file of guest agent
4294 # VSS provider from the source. It is usually unnecessary because the
4295 # pre-compiled .tlb file is included.
4296
4297 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4298   if test -z "$win_sdk"; then
4299     programfiles="$PROGRAMFILES"
4300     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4301     if test -n "$programfiles"; then
4302       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4303     else
4304       feature_not_found "Windows SDK"
4305     fi
4306   elif test "$win_sdk" = "no"; then
4307     win_sdk=""
4308   fi
4309 fi
4310
4311 ##########################################
4312 # check if mingw environment provides a recent ntddscsi.h
4313 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4314   cat > $TMPC << EOF
4315 #include <windows.h>
4316 #include <ntddscsi.h>
4317 int main(void) {
4318 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4319 #error Missing required ioctl definitions
4320 #endif
4321   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4322   return addr.Lun;
4323 }
4324 EOF
4325   if compile_prog "" "" ; then
4326     guest_agent_ntddscsi=yes
4327     libs_qga="-lsetupapi $libs_qga"
4328   fi
4329 fi
4330
4331 ##########################################
4332 # virgl renderer probe
4333
4334 if test "$virglrenderer" != "no" ; then
4335   cat > $TMPC << EOF
4336 #include <virglrenderer.h>
4337 int main(void) { virgl_renderer_poll(); return 0; }
4338 EOF
4339   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4340   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4341   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4342      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4343     virglrenderer="yes"
4344   else
4345     if test "$virglrenderer" = "yes" ; then
4346       feature_not_found "virglrenderer"
4347     fi
4348     virglrenderer="no"
4349   fi
4350 fi
4351
4352 ##########################################
4353 # check if we have fdatasync
4354
4355 fdatasync=no
4356 cat > $TMPC << EOF
4357 #include <unistd.h>
4358 int main(void) {
4359 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4360 return fdatasync(0);
4361 #else
4362 #error Not supported
4363 #endif
4364 }
4365 EOF
4366 if compile_prog "" "" ; then
4367     fdatasync=yes
4368 fi
4369
4370 ##########################################
4371 # check if we have madvise
4372
4373 madvise=no
4374 cat > $TMPC << EOF
4375 #include <sys/types.h>
4376 #include <sys/mman.h>
4377 #include <stddef.h>
4378 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4379 EOF
4380 if compile_prog "" "" ; then
4381     madvise=yes
4382 fi
4383
4384 ##########################################
4385 # check if we have posix_madvise
4386
4387 posix_madvise=no
4388 cat > $TMPC << EOF
4389 #include <sys/mman.h>
4390 #include <stddef.h>
4391 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4392 EOF
4393 if compile_prog "" "" ; then
4394     posix_madvise=yes
4395 fi
4396
4397 ##########################################
4398 # check if we have posix_syslog
4399
4400 posix_syslog=no
4401 cat > $TMPC << EOF
4402 #include <syslog.h>
4403 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4404 EOF
4405 if compile_prog "" "" ; then
4406     posix_syslog=yes
4407 fi
4408
4409 ##########################################
4410 # check if trace backend exists
4411
4412 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4413 if test "$?" -ne 0 ; then
4414   error_exit "invalid trace backends" \
4415       "Please choose supported trace backends."
4416 fi
4417
4418 ##########################################
4419 # For 'ust' backend, test if ust headers are present
4420 if have_backend "ust"; then
4421   cat > $TMPC << EOF
4422 #include <lttng/tracepoint.h>
4423 int main(void) { return 0; }
4424 EOF
4425   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4426     if $pkg_config lttng-ust --exists; then
4427       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4428     else
4429       lttng_ust_libs="-llttng-ust -ldl"
4430     fi
4431     if $pkg_config liburcu-bp --exists; then
4432       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4433     else
4434       urcu_bp_libs="-lurcu-bp"
4435     fi
4436
4437     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4438     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4439   else
4440     error_exit "Trace backend 'ust' missing lttng-ust header files"
4441   fi
4442 fi
4443
4444 ##########################################
4445 # For 'dtrace' backend, test if 'dtrace' command is present
4446 if have_backend "dtrace"; then
4447   if ! has 'dtrace' ; then
4448     error_exit "dtrace command is not found in PATH $PATH"
4449   fi
4450   trace_backend_stap="no"
4451   if has 'stap' ; then
4452     trace_backend_stap="yes"
4453   fi
4454 fi
4455
4456 ##########################################
4457 # check and set a backend for coroutine
4458
4459 # We prefer ucontext, but it's not always possible. The fallback
4460 # is sigcontext. On Windows the only valid backend is the Windows
4461 # specific one.
4462
4463 ucontext_works=no
4464 if test "$darwin" != "yes"; then
4465   cat > $TMPC << EOF
4466 #include <ucontext.h>
4467 #ifdef __stub_makecontext
4468 #error Ignoring glibc stub makecontext which will always fail
4469 #endif
4470 int main(void) { makecontext(0, 0, 0); return 0; }
4471 EOF
4472   if compile_prog "" "" ; then
4473     ucontext_works=yes
4474   fi
4475 fi
4476
4477 if test "$coroutine" = ""; then
4478   if test "$mingw32" = "yes"; then
4479     coroutine=win32
4480   elif test "$ucontext_works" = "yes"; then
4481     coroutine=ucontext
4482   else
4483     coroutine=sigaltstack
4484   fi
4485 else
4486   case $coroutine in
4487   windows)
4488     if test "$mingw32" != "yes"; then
4489       error_exit "'windows' coroutine backend only valid for Windows"
4490     fi
4491     # Unfortunately the user visible backend name doesn't match the
4492     # coroutine-*.c filename for this case, so we have to adjust it here.
4493     coroutine=win32
4494     ;;
4495   ucontext)
4496     if test "$ucontext_works" != "yes"; then
4497       feature_not_found "ucontext"
4498     fi
4499     ;;
4500   sigaltstack)
4501     if test "$mingw32" = "yes"; then
4502       error_exit "only the 'windows' coroutine backend is valid for Windows"
4503     fi
4504     ;;
4505   *)
4506     error_exit "unknown coroutine backend $coroutine"
4507     ;;
4508   esac
4509 fi
4510
4511 if test "$coroutine_pool" = ""; then
4512   coroutine_pool=yes
4513 fi
4514
4515 if test "$debug_stack_usage" = "yes"; then
4516   if test "$cpu" = "ia64" -o "$cpu" = "hppa"; then
4517     error_exit "stack usage debugging is not supported for $cpu"
4518   fi
4519   if test "$coroutine_pool" = "yes"; then
4520     echo "WARN: disabling coroutine pool for stack usage debugging"
4521     coroutine_pool=no
4522   fi
4523 fi
4524
4525
4526 ##########################################
4527 # check if we have open_by_handle_at
4528
4529 open_by_handle_at=no
4530 cat > $TMPC << EOF
4531 #include <fcntl.h>
4532 #if !defined(AT_EMPTY_PATH)
4533 # error missing definition
4534 #else
4535 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4536 #endif
4537 EOF
4538 if compile_prog "" "" ; then
4539     open_by_handle_at=yes
4540 fi
4541
4542 ########################################
4543 # check if we have linux/magic.h
4544
4545 linux_magic_h=no
4546 cat > $TMPC << EOF
4547 #include <linux/magic.h>
4548 int main(void) {
4549   return 0;
4550 }
4551 EOF
4552 if compile_prog "" "" ; then
4553     linux_magic_h=yes
4554 fi
4555
4556 ########################################
4557 # check whether we can disable warning option with a pragma (this is needed
4558 # to silence warnings in the headers of some versions of external libraries).
4559 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4560 # only a warning.
4561 #
4562 # If we can't selectively disable warning in the code, disable -Werror so that
4563 # the build doesn't fail anyway.
4564
4565 pragma_disable_unused_but_set=no
4566 cat > $TMPC << EOF
4567 #pragma GCC diagnostic push
4568 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4569 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4570 #pragma GCC diagnostic pop
4571
4572 int main(void) {
4573     return 0;
4574 }
4575 EOF
4576 if compile_prog "-Werror" "" ; then
4577     pragma_diagnostic_available=yes
4578 else
4579     werror=no
4580 fi
4581
4582 ########################################
4583 # check if we have valgrind/valgrind.h
4584
4585 valgrind_h=no
4586 cat > $TMPC << EOF
4587 #include <valgrind/valgrind.h>
4588 int main(void) {
4589   return 0;
4590 }
4591 EOF
4592 if compile_prog "" "" ; then
4593     valgrind_h=yes
4594 fi
4595
4596 ########################################
4597 # check if environ is declared
4598
4599 has_environ=no
4600 cat > $TMPC << EOF
4601 #include <unistd.h>
4602 int main(void) {
4603     environ = 0;
4604     return 0;
4605 }
4606 EOF
4607 if compile_prog "" "" ; then
4608     has_environ=yes
4609 fi
4610
4611 ########################################
4612 # check if cpuid.h is usable.
4613
4614 cat > $TMPC << EOF
4615 #include <cpuid.h>
4616 int main(void) {
4617     unsigned a, b, c, d;
4618     int max = __get_cpuid_max(0, 0);
4619
4620     if (max >= 1) {
4621         __cpuid(1, a, b, c, d);
4622     }
4623
4624     if (max >= 7) {
4625         __cpuid_count(7, 0, a, b, c, d);
4626     }
4627
4628     return 0;
4629 }
4630 EOF
4631 if compile_prog "" "" ; then
4632     cpuid_h=yes
4633 fi
4634
4635 ##########################################
4636 # avx2 optimization requirement check
4637 #
4638 # There is no point enabling this if cpuid.h is not usable,
4639 # since we won't be able to select the new routines.
4640
4641 if test $cpuid_h = yes; then
4642   cat > $TMPC << EOF
4643 #pragma GCC push_options
4644 #pragma GCC target("avx2")
4645 #include <cpuid.h>
4646 #include <immintrin.h>
4647 static int bar(void *a) {
4648     __m256i x = *(__m256i *)a;
4649     return _mm256_testz_si256(x, x);
4650 }
4651 int main(int argc, char *argv[]) { return bar(argv[0]); }
4652 EOF
4653   if compile_object "" ; then
4654     avx2_opt="yes"
4655   fi
4656 fi
4657
4658 ########################################
4659 # check if __[u]int128_t is usable.
4660
4661 int128=no
4662 cat > $TMPC << EOF
4663 #if defined(__clang_major__) && defined(__clang_minor__)
4664 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4665 #  error __int128_t does not work in CLANG before 3.2
4666 # endif
4667 #endif
4668 __int128_t a;
4669 __uint128_t b;
4670 int main (void) {
4671   a = a + b;
4672   b = a * b;
4673   a = a * a;
4674   return 0;
4675 }
4676 EOF
4677 if compile_prog "" "" ; then
4678     int128=yes
4679 fi
4680
4681 #########################################
4682 # See if 128-bit atomic operations are supported.
4683
4684 atomic128=no
4685 if test "$int128" = "yes"; then
4686   cat > $TMPC << EOF
4687 int main(void)
4688 {
4689   unsigned __int128 x = 0, y = 0;
4690   y = __atomic_load_16(&x, 0);
4691   __atomic_store_16(&x, y, 0);
4692   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4693   return 0;
4694 }
4695 EOF
4696   if compile_prog "" "" ; then
4697     atomic128=yes
4698   fi
4699 fi
4700
4701 #########################################
4702 # See if 64-bit atomic operations are supported.
4703 # Note that without __atomic builtins, we can only
4704 # assume atomic loads/stores max at pointer size.
4705
4706 cat > $TMPC << EOF
4707 #include <stdint.h>
4708 int main(void)
4709 {
4710   uint64_t x = 0, y = 0;
4711 #ifdef __ATOMIC_RELAXED
4712   y = __atomic_load_8(&x, 0);
4713   __atomic_store_8(&x, y, 0);
4714   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
4715   __atomic_exchange_8(&x, y, 0);
4716   __atomic_fetch_add_8(&x, y, 0);
4717 #else
4718   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
4719   __sync_lock_test_and_set(&x, y);
4720   __sync_val_compare_and_swap(&x, y, 0);
4721   __sync_fetch_and_add(&x, y);
4722 #endif
4723   return 0;
4724 }
4725 EOF
4726 if compile_prog "" "" ; then
4727   atomic64=yes
4728 fi
4729
4730 ########################################
4731 # check if getauxval is available.
4732
4733 getauxval=no
4734 cat > $TMPC << EOF
4735 #include <sys/auxv.h>
4736 int main(void) {
4737   return getauxval(AT_HWCAP) == 0;
4738 }
4739 EOF
4740 if compile_prog "" "" ; then
4741     getauxval=yes
4742 fi
4743
4744 ########################################
4745 # check if ccache is interfering with
4746 # semantic analysis of macros
4747
4748 unset CCACHE_CPP2
4749 ccache_cpp2=no
4750 cat > $TMPC << EOF
4751 static const int Z = 1;
4752 #define fn() ({ Z; })
4753 #define TAUT(X) ((X) == Z)
4754 #define PAREN(X, Y) (X == Y)
4755 #define ID(X) (X)
4756 int main(int argc, char *argv[])
4757 {
4758     int x = 0, y = 0;
4759     x = ID(x);
4760     x = fn();
4761     fn();
4762     if (PAREN(x, y)) return 0;
4763     if (TAUT(Z)) return 0;
4764     return 0;
4765 }
4766 EOF
4767
4768 if ! compile_object "-Werror"; then
4769     ccache_cpp2=yes
4770 fi
4771
4772 #################################################
4773 # clang does not support glibc + FORTIFY_SOURCE.
4774
4775 if test "$fortify_source" != "no"; then
4776   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4777     fortify_source="no";
4778   elif test -n "$cxx" && has $cxx &&
4779        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4780     fortify_source="no";
4781   else
4782     fortify_source="yes"
4783   fi
4784 fi
4785
4786 ##########################################
4787 # check if struct fsxattr is available via linux/fs.h
4788
4789 have_fsxattr=no
4790 cat > $TMPC << EOF
4791 #include <linux/fs.h>
4792 struct fsxattr foo;
4793 int main(void) {
4794   return 0;
4795 }
4796 EOF
4797 if compile_prog "" "" ; then
4798     have_fsxattr=yes
4799 fi
4800
4801 ##########################################
4802 # check if rtnetlink.h exists and is useful
4803 have_rtnetlink=no
4804 cat > $TMPC << EOF
4805 #include <linux/rtnetlink.h>
4806 int main(void) {
4807   return IFLA_PROTO_DOWN;
4808 }
4809 EOF
4810 if compile_prog "" "" ; then
4811     have_rtnetlink=yes
4812 fi
4813
4814 ##########################################
4815 # check for usable AF_VSOCK environment
4816 have_af_vsock=no
4817 cat > $TMPC << EOF
4818 #include <errno.h>
4819 #include <sys/types.h>
4820 #include <sys/socket.h>
4821 #if !defined(AF_VSOCK)
4822 # error missing AF_VSOCK flag
4823 #endif
4824 #include <linux/vm_sockets.h>
4825 int main(void) {
4826     int sock, ret;
4827     struct sockaddr_vm svm;
4828     socklen_t len = sizeof(svm);
4829     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
4830     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
4831     if ((ret == -1) && (errno == ENOTCONN)) {
4832         return 0;
4833     }
4834     return -1;
4835 }
4836 EOF
4837 if compile_prog "" "" ; then
4838     have_af_vsock=yes
4839 fi
4840
4841 ##########################################
4842 # check for usable AF_ALG environment
4843 hava_afalg=no
4844 cat > $TMPC << EOF
4845 #include <errno.h>
4846 #include <sys/types.h>
4847 #include <sys/socket.h>
4848 #include <linux/if_alg.h>
4849 int main(void) {
4850     int sock;
4851     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
4852     return sock;
4853 }
4854 EOF
4855 if compile_prog "" "" ; then
4856     have_afalg=yes
4857 fi
4858 if test "$crypto_afalg" = "yes"
4859 then
4860     if test "$have_afalg" != "yes"
4861     then
4862         error_exit "AF_ALG requested but could not be detected"
4863     fi
4864 fi
4865
4866
4867 #################################################
4868 # Sparc implicitly links with --relax, which is
4869 # incompatible with -r, so --no-relax should be
4870 # given. It does no harm to give it on other
4871 # platforms too.
4872
4873 # Note: the prototype is needed since QEMU_CFLAGS
4874 #       contains -Wmissing-prototypes
4875 cat > $TMPC << EOF
4876 extern int foo(void);
4877 int foo(void) { return 0; }
4878 EOF
4879 if ! compile_object ""; then
4880   error_exit "Failed to compile object file for LD_REL_FLAGS test"
4881 fi
4882 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
4883   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
4884     LD_REL_FLAGS=$i
4885     break
4886   fi
4887 done
4888 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
4889   feature_not_found "modules" "Cannot find how to build relocatable objects"
4890 fi
4891
4892 ##########################################
4893 # check for sysmacros.h
4894
4895 have_sysmacros=no
4896 cat > $TMPC << EOF
4897 #include <sys/sysmacros.h>
4898 int main(void) {
4899     return makedev(0, 0);
4900 }
4901 EOF
4902 if compile_prog "" "" ; then
4903     have_sysmacros=yes
4904 fi
4905
4906 ##########################################
4907 # Veritas HyperScale block driver VxHS
4908 # Check if libvxhs is installed
4909
4910 if test "$vxhs" != "no" ; then
4911   cat > $TMPC <<EOF
4912 #include <stdint.h>
4913 #include <qnio/qnio_api.h>
4914
4915 void *vxhs_callback;
4916
4917 int main(void) {
4918     iio_init(QNIO_VERSION, vxhs_callback);
4919     return 0;
4920 }
4921 EOF
4922   vxhs_libs="-lvxhs -lssl"
4923   if compile_prog "" "$vxhs_libs" ; then
4924     vxhs=yes
4925   else
4926     if test "$vxhs" = "yes" ; then
4927       feature_not_found "vxhs block device" "Install libvxhs See github"
4928     fi
4929     vxhs=no
4930   fi
4931 fi
4932
4933 ##########################################
4934 # check for _Static_assert()
4935
4936 have_static_assert=no
4937 cat > $TMPC << EOF
4938 _Static_assert(1, "success");
4939 int main(void) {
4940     return 0;
4941 }
4942 EOF
4943 if compile_prog "" "" ; then
4944     have_static_assert=yes
4945 fi
4946
4947 ##########################################
4948 # check for utmpx.h, it is missing e.g. on OpenBSD
4949
4950 have_utmpx=no
4951 cat > $TMPC << EOF
4952 #include <utmpx.h>
4953 struct utmpx user_info;
4954 int main(void) {
4955     return 0;
4956 }
4957 EOF
4958 if compile_prog "" "" ; then
4959     have_utmpx=yes
4960 fi
4961
4962 ##########################################
4963 # End of CC checks
4964 # After here, no more $cc or $ld runs
4965
4966 if test "$gcov" = "yes" ; then
4967   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4968   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4969 elif test "$fortify_source" = "yes" ; then
4970   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4971 elif test "$debug" = "no"; then
4972   CFLAGS="-O2 $CFLAGS"
4973 fi
4974
4975 ##########################################
4976 # Do we have libnfs
4977 if test "$libnfs" != "no" ; then
4978   if $pkg_config --atleast-version=1.9.3 libnfs; then
4979     libnfs="yes"
4980     libnfs_libs=$($pkg_config --libs libnfs)
4981   else
4982     if test "$libnfs" = "yes" ; then
4983       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4984     fi
4985     libnfs="no"
4986   fi
4987 fi
4988
4989 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4990 if test "$werror" = "yes"; then
4991     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4992 fi
4993
4994 if test "$solaris" = "no" ; then
4995     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4996         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4997     fi
4998 fi
4999
5000 # test if pod2man has --utf8 option
5001 if pod2man --help | grep -q utf8; then
5002     POD2MAN="pod2man --utf8"
5003 else
5004     POD2MAN="pod2man"
5005 fi
5006
5007 # Use ASLR, no-SEH and DEP if available
5008 if test "$mingw32" = "yes" ; then
5009     for flag in --dynamicbase --no-seh --nxcompat; do
5010         if ld_has $flag ; then
5011             LDFLAGS="-Wl,$flag $LDFLAGS"
5012         fi
5013     done
5014 fi
5015
5016 qemu_confdir=$sysconfdir$confsuffix
5017 qemu_moddir=$libdir$confsuffix
5018 qemu_datadir=$datadir$confsuffix
5019 qemu_localedir="$datadir/locale"
5020
5021 # We can only support ivshmem if we have eventfd
5022 if [ "$eventfd" = "yes" ]; then
5023   ivshmem=yes
5024 fi
5025
5026 tools=""
5027 if test "$want_tools" = "yes" ; then
5028   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5029   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5030     tools="qemu-nbd\$(EXESUF) $tools"
5031   fi
5032   if [ "$ivshmem" = "yes" ]; then
5033     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5034   fi
5035 fi
5036 if test "$softmmu" = yes ; then
5037   if test "$virtfs" != no ; then
5038     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
5039       virtfs=yes
5040       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5041     else
5042       if test "$virtfs" = yes; then
5043         error_exit "VirtFS is supported only on Linux and requires libcap devel and libattr devel"
5044       fi
5045       virtfs=no
5046     fi
5047   fi
5048 fi
5049
5050 # Probe for guest agent support/options
5051
5052 if [ "$guest_agent" != "no" ]; then
5053   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5054       tools="qemu-ga $tools"
5055       guest_agent=yes
5056   elif [ "$guest_agent" != yes ]; then
5057       guest_agent=no
5058   else
5059       error_exit "Guest agent is not supported on this platform"
5060   fi
5061 fi
5062
5063 # Guest agent Window MSI  package
5064
5065 if test "$guest_agent" != yes; then
5066   if test "$guest_agent_msi" = yes; then
5067     error_exit "MSI guest agent package requires guest agent enabled"
5068   fi
5069   guest_agent_msi=no
5070 elif test "$mingw32" != "yes"; then
5071   if test "$guest_agent_msi" = "yes"; then
5072     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5073   fi
5074   guest_agent_msi=no
5075 elif ! has wixl; then
5076   if test "$guest_agent_msi" = "yes"; then
5077     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5078   fi
5079   guest_agent_msi=no
5080 else
5081   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5082   # disabled explicitly
5083   if test "$guest_agent_msi" != "no"; then
5084     guest_agent_msi=yes
5085   fi
5086 fi
5087
5088 if test "$guest_agent_msi" = "yes"; then
5089   if test "$guest_agent_with_vss" = "yes"; then
5090     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5091   fi
5092
5093   if test "$QEMU_GA_MANUFACTURER" = ""; then
5094     QEMU_GA_MANUFACTURER=QEMU
5095   fi
5096
5097   if test "$QEMU_GA_DISTRO" = ""; then
5098     QEMU_GA_DISTRO=Linux
5099   fi
5100
5101   if test "$QEMU_GA_VERSION" = ""; then
5102       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5103   fi
5104
5105   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5106
5107   case "$cpu" in
5108   x86_64)
5109     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5110     ;;
5111   i386)
5112     QEMU_GA_MSI_ARCH="-D Arch=32"
5113     ;;
5114   *)
5115     error_exit "CPU $cpu not supported for building installation package"
5116     ;;
5117   esac
5118 fi
5119
5120 # Mac OS X ships with a broken assembler
5121 roms=
5122 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5123         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5124         "$softmmu" = yes ; then
5125     # Different host OS linkers have different ideas about the name of the ELF
5126     # emulation. Linux and OpenBSD use 'elf_i386'; FreeBSD uses the _fbsd
5127     # variant; and Windows uses i386pe.
5128     for emu in elf_i386 elf_i386_fbsd i386pe; do
5129         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5130             ld_i386_emulation="$emu"
5131             roms="optionrom"
5132             break
5133         fi
5134     done
5135 fi
5136 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5137   roms="$roms spapr-rtas"
5138 fi
5139
5140 if test "$cpu" = "s390x" ; then
5141   roms="$roms s390-ccw"
5142 fi
5143
5144 # Probe for the need for relocating the user-only binary.
5145 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5146   textseg_addr=
5147   case "$cpu" in
5148     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5149       # ??? Rationale for choosing this address
5150       textseg_addr=0x60000000
5151       ;;
5152     mips)
5153       # A 256M aligned address, high in the address space, with enough
5154       # room for the code_gen_buffer above it before the stack.
5155       textseg_addr=0x60000000
5156       ;;
5157   esac
5158   if [ -n "$textseg_addr" ]; then
5159     cat > $TMPC <<EOF
5160     int main(void) { return 0; }
5161 EOF
5162     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5163     if ! compile_prog "" "$textseg_ldflags"; then
5164       # In case ld does not support -Ttext-segment, edit the default linker
5165       # script via sed to set the .text start addr.  This is needed on FreeBSD
5166       # at least.
5167       if ! $ld --verbose >/dev/null 2>&1; then
5168         error_exit \
5169             "We need to link the QEMU user mode binaries at a" \
5170             "specific text address. Unfortunately your linker" \
5171             "doesn't support either the -Ttext-segment option or" \
5172             "printing the default linker script with --verbose." \
5173             "If you don't want the user mode binaries, pass the" \
5174             "--disable-user option to configure."
5175       fi
5176
5177       $ld --verbose | sed \
5178         -e '1,/==================================================/d' \
5179         -e '/==================================================/,$d' \
5180         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5181         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5182       textseg_ldflags="-Wl,-T../config-host.ld"
5183     fi
5184   fi
5185 fi
5186
5187 # Check that the C++ compiler exists and works with the C compiler.
5188 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5189 if has $cxx; then
5190     cat > $TMPC <<EOF
5191 int c_function(void);
5192 int main(void) { return c_function(); }
5193 EOF
5194
5195     compile_object
5196
5197     cat > $TMPCXX <<EOF
5198 extern "C" {
5199    int c_function(void);
5200 }
5201 int c_function(void) { return 42; }
5202 EOF
5203
5204     update_cxxflags
5205
5206     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5207         # C++ compiler $cxx works ok with C compiler $cc
5208         :
5209     else
5210         echo "C++ compiler $cxx does not work with C compiler $cc"
5211         echo "Disabling C++ specific optional code"
5212         cxx=
5213     fi
5214 else
5215     echo "No C++ compiler available; disabling C++ specific optional code"
5216     cxx=
5217 fi
5218
5219 echo_version() {
5220     if test "$1" = "yes" ; then
5221         echo "($2)"
5222     fi
5223 }
5224
5225 # prepend pixman and ftd flags after all config tests are done
5226 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5227 libs_softmmu="$pixman_libs $libs_softmmu"
5228
5229 echo "Install prefix    $prefix"
5230 echo "BIOS directory    $(eval echo $qemu_datadir)"
5231 echo "binary directory  $(eval echo $bindir)"
5232 echo "library directory $(eval echo $libdir)"
5233 echo "module directory  $(eval echo $qemu_moddir)"
5234 echo "libexec directory $(eval echo $libexecdir)"
5235 echo "include directory $(eval echo $includedir)"
5236 echo "config directory  $(eval echo $sysconfdir)"
5237 if test "$mingw32" = "no" ; then
5238 echo "local state directory   $(eval echo $local_statedir)"
5239 echo "Manual directory  $(eval echo $mandir)"
5240 echo "ELF interp prefix $interp_prefix"
5241 else
5242 echo "local state directory   queried at runtime"
5243 echo "Windows SDK       $win_sdk"
5244 fi
5245 echo "Source path       $source_path"
5246 echo "C compiler        $cc"
5247 echo "Host C compiler   $host_cc"
5248 echo "C++ compiler      $cxx"
5249 echo "Objective-C compiler $objcc"
5250 echo "ARFLAGS           $ARFLAGS"
5251 echo "CFLAGS            $CFLAGS"
5252 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5253 echo "LDFLAGS           $LDFLAGS"
5254 echo "make              $make"
5255 echo "install           $install"
5256 echo "python            $python"
5257 if test "$slirp" = "yes" ; then
5258     echo "smbd              $smbd"
5259 fi
5260 echo "module support    $modules"
5261 echo "host CPU          $cpu"
5262 echo "host big endian   $bigendian"
5263 echo "target list       $target_list"
5264 echo "gprof enabled     $gprof"
5265 echo "sparse enabled    $sparse"
5266 echo "strip binaries    $strip_opt"
5267 echo "profiler          $profiler"
5268 echo "static build      $static"
5269 if test "$darwin" = "yes" ; then
5270     echo "Cocoa support     $cocoa"
5271 fi
5272 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5273 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5274 echo "GTK GL support    $gtk_gl"
5275 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5276 echo "TLS priority      $tls_priority"
5277 echo "GNUTLS support    $gnutls"
5278 echo "GNUTLS rnd        $gnutls_rnd"
5279 echo "libgcrypt         $gcrypt"
5280 echo "libgcrypt kdf     $gcrypt_kdf"
5281 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5282 echo "nettle kdf        $nettle_kdf"
5283 echo "libtasn1          $tasn1"
5284 echo "curses support    $curses"
5285 echo "virgl support     $virglrenderer"
5286 echo "curl support      $curl"
5287 echo "mingw32 support   $mingw32"
5288 echo "Audio drivers     $audio_drv_list"
5289 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5290 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5291 echo "VirtFS support    $virtfs"
5292 echo "VNC support       $vnc"
5293 if test "$vnc" = "yes" ; then
5294     echo "VNC SASL support  $vnc_sasl"
5295     echo "VNC JPEG support  $vnc_jpeg"
5296     echo "VNC PNG support   $vnc_png"
5297 fi
5298 if test -n "$sparc_cpu"; then
5299     echo "Target Sparc Arch $sparc_cpu"
5300 fi
5301 echo "xen support       $xen"
5302 if test "$xen" = "yes" ; then
5303   echo "xen ctrl version  $xen_ctrl_version"
5304   echo "pv dom build      $xen_pv_domain_build"
5305 fi
5306 echo "brlapi support    $brlapi"
5307 echo "bluez  support    $bluez"
5308 echo "Documentation     $docs"
5309 echo "PIE               $pie"
5310 echo "vde support       $vde"
5311 echo "netmap support    $netmap"
5312 echo "Linux AIO support $linux_aio"
5313 echo "ATTR/XATTR support $attr"
5314 echo "Install blobs     $blobs"
5315 echo "KVM support       $kvm"
5316 echo "HAX support       $hax"
5317 echo "TCG support       $tcg"
5318 if test "$tcg" = "yes" ; then
5319     echo "TCG debug enabled $debug_tcg"
5320     echo "TCG interpreter   $tcg_interpreter"
5321 fi
5322 echo "RDMA support      $rdma"
5323 echo "fdt support       $fdt"
5324 echo "preadv support    $preadv"
5325 echo "fdatasync         $fdatasync"
5326 echo "madvise           $madvise"
5327 echo "posix_madvise     $posix_madvise"
5328 echo "libcap-ng support $cap_ng"
5329 echo "vhost-net support $vhost_net"
5330 echo "vhost-scsi support $vhost_scsi"
5331 echo "vhost-vsock support $vhost_vsock"
5332 echo "vhost-user support $vhost_user"
5333 echo "Trace backends    $trace_backends"
5334 if have_backend "simple"; then
5335 echo "Trace output file $trace_file-<pid>"
5336 fi
5337 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5338 echo "rbd support       $rbd"
5339 echo "xfsctl support    $xfs"
5340 echo "smartcard support $smartcard"
5341 echo "libusb            $libusb"
5342 echo "usb net redir     $usb_redir"
5343 echo "OpenGL support    $opengl"
5344 echo "OpenGL dmabufs    $opengl_dmabuf"
5345 echo "libiscsi support  $libiscsi"
5346 echo "libnfs support    $libnfs"
5347 echo "build guest agent $guest_agent"
5348 echo "QGA VSS support   $guest_agent_with_vss"
5349 echo "QGA w32 disk info $guest_agent_ntddscsi"
5350 echo "QGA MSI support   $guest_agent_msi"
5351 echo "seccomp support   $seccomp"
5352 echo "coroutine backend $coroutine"
5353 echo "coroutine pool    $coroutine_pool"
5354 echo "debug stack usage $debug_stack_usage"
5355 echo "crypto afalg      $crypto_afalg"
5356 echo "GlusterFS support $glusterfs"
5357 echo "gcov              $gcov_tool"
5358 echo "gcov enabled      $gcov"
5359 echo "TPM support       $tpm"
5360 echo "libssh2 support   $libssh2"
5361 echo "TPM passthrough   $tpm_passthrough"
5362 echo "QOM debugging     $qom_cast_debug"
5363 echo "Live block migration $live_block_migration"
5364 echo "lzo support       $lzo"
5365 echo "snappy support    $snappy"
5366 echo "bzip2 support     $bzip2"
5367 echo "NUMA host support $numa"
5368 echo "tcmalloc support  $tcmalloc"
5369 echo "jemalloc support  $jemalloc"
5370 echo "avx2 optimization $avx2_opt"
5371 echo "replication support $replication"
5372 echo "VxHS block device $vxhs"
5373
5374 if test "$sdl_too_old" = "yes"; then
5375 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5376 fi
5377
5378 if test "$supported_cpu" = "no"; then
5379     echo
5380     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5381     echo
5382     echo "CPU host architecture $cpu support is not currently maintained."
5383     echo "The QEMU project intends to remove support for this host CPU in"
5384     echo "a future release if nobody volunteers to maintain it and to"
5385     echo "provide a build host for our continuous integration setup."
5386     echo "configure has succeeded and you can continue to build, but"
5387     echo "if you care about QEMU on this platform you should contact"
5388     echo "us upstream at qemu-devel@nongnu.org."
5389 fi
5390
5391 if test "$supported_os" = "no"; then
5392     echo
5393     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5394     echo
5395     echo "Host OS $targetos support is not currently maintained."
5396     echo "The QEMU project intends to remove support for this host OS in"
5397     echo "a future release if nobody volunteers to maintain it and to"
5398     echo "provide a build host for our continuous integration setup."
5399     echo "configure has succeeded and you can continue to build, but"
5400     echo "if you care about QEMU on this platform you should contact"
5401     echo "us upstream at qemu-devel@nongnu.org."
5402 fi
5403
5404 config_host_mak="config-host.mak"
5405
5406 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5407
5408 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5409 echo >> $config_host_mak
5410
5411 echo all: >> $config_host_mak
5412 echo "prefix=$prefix" >> $config_host_mak
5413 echo "bindir=$bindir" >> $config_host_mak
5414 echo "libdir=$libdir" >> $config_host_mak
5415 echo "libexecdir=$libexecdir" >> $config_host_mak
5416 echo "includedir=$includedir" >> $config_host_mak
5417 echo "mandir=$mandir" >> $config_host_mak
5418 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5419 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5420 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5421 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5422 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5423 if test "$mingw32" = "no" ; then
5424   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5425 fi
5426 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5427 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
5428 echo "extra_cxxflags=$EXTRA_CXXFLAGS" >> $config_host_mak
5429 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
5430 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5431 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5432
5433 echo "ARCH=$ARCH" >> $config_host_mak
5434
5435 if test "$debug_tcg" = "yes" ; then
5436   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5437 fi
5438 if test "$strip_opt" = "yes" ; then
5439   echo "STRIP=${strip}" >> $config_host_mak
5440 fi
5441 if test "$bigendian" = "yes" ; then
5442   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5443 fi
5444 if test "$mingw32" = "yes" ; then
5445   echo "CONFIG_WIN32=y" >> $config_host_mak
5446   rc_version=$(cat $source_path/VERSION)
5447   version_major=${rc_version%%.*}
5448   rc_version=${rc_version#*.}
5449   version_minor=${rc_version%%.*}
5450   rc_version=${rc_version#*.}
5451   version_subminor=${rc_version%%.*}
5452   version_micro=0
5453   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5454   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5455   if test "$guest_agent_with_vss" = "yes" ; then
5456     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5457     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5458     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5459   fi
5460   if test "$guest_agent_ntddscsi" = "yes" ; then
5461     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5462   fi
5463   if test "$guest_agent_msi" = "yes"; then
5464     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5465     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5466     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5467     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5468     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5469     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5470     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5471   fi
5472 else
5473   echo "CONFIG_POSIX=y" >> $config_host_mak
5474 fi
5475
5476 if test "$linux" = "yes" ; then
5477   echo "CONFIG_LINUX=y" >> $config_host_mak
5478 fi
5479
5480 if test "$darwin" = "yes" ; then
5481   echo "CONFIG_DARWIN=y" >> $config_host_mak
5482 fi
5483
5484 if test "$solaris" = "yes" ; then
5485   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5486 fi
5487 if test "$haiku" = "yes" ; then
5488   echo "CONFIG_HAIKU=y" >> $config_host_mak
5489 fi
5490 if test "$static" = "yes" ; then
5491   echo "CONFIG_STATIC=y" >> $config_host_mak
5492 fi
5493 if test "$profiler" = "yes" ; then
5494   echo "CONFIG_PROFILER=y" >> $config_host_mak
5495 fi
5496 if test "$slirp" = "yes" ; then
5497   echo "CONFIG_SLIRP=y" >> $config_host_mak
5498   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5499 fi
5500 if test "$vde" = "yes" ; then
5501   echo "CONFIG_VDE=y" >> $config_host_mak
5502 fi
5503 if test "$netmap" = "yes" ; then
5504   echo "CONFIG_NETMAP=y" >> $config_host_mak
5505 fi
5506 if test "$l2tpv3" = "yes" ; then
5507   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5508 fi
5509 if test "$cap_ng" = "yes" ; then
5510   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5511 fi
5512 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5513 for drv in $audio_drv_list; do
5514     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5515     echo "$def=y" >> $config_host_mak
5516 done
5517 if test "$audio_pt_int" = "yes" ; then
5518   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5519 fi
5520 if test "$audio_win_int" = "yes" ; then
5521   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5522 fi
5523 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5524 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5525 if test "$vnc" = "yes" ; then
5526   echo "CONFIG_VNC=y" >> $config_host_mak
5527 fi
5528 if test "$vnc_sasl" = "yes" ; then
5529   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5530 fi
5531 if test "$vnc_jpeg" = "yes" ; then
5532   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5533 fi
5534 if test "$vnc_png" = "yes" ; then
5535   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5536 fi
5537 if test "$fnmatch" = "yes" ; then
5538   echo "CONFIG_FNMATCH=y" >> $config_host_mak
5539 fi
5540 if test "$xfs" = "yes" ; then
5541   echo "CONFIG_XFS=y" >> $config_host_mak
5542 fi
5543 qemu_version=$(head $source_path/VERSION)
5544 echo "VERSION=$qemu_version" >>$config_host_mak
5545 echo "PKGVERSION=$pkgversion" >>$config_host_mak
5546 echo "SRC_PATH=$source_path" >> $config_host_mak
5547 echo "TARGET_DIRS=$target_list" >> $config_host_mak
5548 if [ "$docs" = "yes" ] ; then
5549   echo "BUILD_DOCS=yes" >> $config_host_mak
5550 fi
5551 if test "$modules" = "yes"; then
5552   # $shacmd can generate a hash started with digit, which the compiler doesn't
5553   # like as an symbol. So prefix it with an underscore
5554   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5555   echo "CONFIG_MODULES=y" >> $config_host_mak
5556 fi
5557 if test "$sdl" = "yes" ; then
5558   echo "CONFIG_SDL=y" >> $config_host_mak
5559   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5560   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5561 fi
5562 if test "$cocoa" = "yes" ; then
5563   echo "CONFIG_COCOA=y" >> $config_host_mak
5564 fi
5565 if test "$curses" = "yes" ; then
5566   echo "CONFIG_CURSES=y" >> $config_host_mak
5567 fi
5568 if test "$pipe2" = "yes" ; then
5569   echo "CONFIG_PIPE2=y" >> $config_host_mak
5570 fi
5571 if test "$accept4" = "yes" ; then
5572   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5573 fi
5574 if test "$splice" = "yes" ; then
5575   echo "CONFIG_SPLICE=y" >> $config_host_mak
5576 fi
5577 if test "$eventfd" = "yes" ; then
5578   echo "CONFIG_EVENTFD=y" >> $config_host_mak
5579 fi
5580 if test "$memfd" = "yes" ; then
5581   echo "CONFIG_MEMFD=y" >> $config_host_mak
5582 fi
5583 if test "$fallocate" = "yes" ; then
5584   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5585 fi
5586 if test "$fallocate_punch_hole" = "yes" ; then
5587   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5588 fi
5589 if test "$fallocate_zero_range" = "yes" ; then
5590   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5591 fi
5592 if test "$posix_fallocate" = "yes" ; then
5593   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5594 fi
5595 if test "$sync_file_range" = "yes" ; then
5596   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5597 fi
5598 if test "$fiemap" = "yes" ; then
5599   echo "CONFIG_FIEMAP=y" >> $config_host_mak
5600 fi
5601 if test "$dup3" = "yes" ; then
5602   echo "CONFIG_DUP3=y" >> $config_host_mak
5603 fi
5604 if test "$ppoll" = "yes" ; then
5605   echo "CONFIG_PPOLL=y" >> $config_host_mak
5606 fi
5607 if test "$prctl_pr_set_timerslack" = "yes" ; then
5608   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5609 fi
5610 if test "$epoll" = "yes" ; then
5611   echo "CONFIG_EPOLL=y" >> $config_host_mak
5612 fi
5613 if test "$epoll_create1" = "yes" ; then
5614   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5615 fi
5616 if test "$sendfile" = "yes" ; then
5617   echo "CONFIG_SENDFILE=y" >> $config_host_mak
5618 fi
5619 if test "$timerfd" = "yes" ; then
5620   echo "CONFIG_TIMERFD=y" >> $config_host_mak
5621 fi
5622 if test "$setns" = "yes" ; then
5623   echo "CONFIG_SETNS=y" >> $config_host_mak
5624 fi
5625 if test "$clock_adjtime" = "yes" ; then
5626   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
5627 fi
5628 if test "$syncfs" = "yes" ; then
5629   echo "CONFIG_SYNCFS=y" >> $config_host_mak
5630 fi
5631 if test "$inotify" = "yes" ; then
5632   echo "CONFIG_INOTIFY=y" >> $config_host_mak
5633 fi
5634 if test "$inotify1" = "yes" ; then
5635   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5636 fi
5637 if test "$byteswap_h" = "yes" ; then
5638   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5639 fi
5640 if test "$bswap_h" = "yes" ; then
5641   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5642 fi
5643 if test "$curl" = "yes" ; then
5644   echo "CONFIG_CURL=m" >> $config_host_mak
5645   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5646   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5647 fi
5648 if test "$brlapi" = "yes" ; then
5649   echo "CONFIG_BRLAPI=y" >> $config_host_mak
5650 fi
5651 if test "$bluez" = "yes" ; then
5652   echo "CONFIG_BLUEZ=y" >> $config_host_mak
5653   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5654 fi
5655 if test "$glib_subprocess" = "yes" ; then
5656   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5657 fi
5658 if test "$gtk" = "yes" ; then
5659   echo "CONFIG_GTK=y" >> $config_host_mak
5660   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5661   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5662   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5663   if test "$gtk_gl" = "yes" ; then
5664     echo "CONFIG_GTK_GL=y" >> $config_host_mak
5665   fi
5666 fi
5667 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
5668 if test "$gnutls" = "yes" ; then
5669   echo "CONFIG_GNUTLS=y" >> $config_host_mak
5670 fi
5671 if test "$gnutls_rnd" = "yes" ; then
5672   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5673 fi
5674 if test "$gcrypt" = "yes" ; then
5675   echo "CONFIG_GCRYPT=y" >> $config_host_mak
5676   if test "$gcrypt_hmac" = "yes" ; then
5677     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
5678   fi
5679   if test "$gcrypt_kdf" = "yes" ; then
5680     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5681   fi
5682 fi
5683 if test "$nettle" = "yes" ; then
5684   echo "CONFIG_NETTLE=y" >> $config_host_mak
5685   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5686   if test "$nettle_kdf" = "yes" ; then
5687     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5688   fi
5689 fi
5690 if test "$tasn1" = "yes" ; then
5691   echo "CONFIG_TASN1=y" >> $config_host_mak
5692 fi
5693 if test "$have_ifaddrs_h" = "yes" ; then
5694     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5695 fi
5696 if test "$have_broken_size_max" = "yes" ; then
5697     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
5698 fi
5699
5700 # Work around a system header bug with some kernel/XFS header
5701 # versions where they both try to define 'struct fsxattr':
5702 # xfs headers will not try to redefine structs from linux headers
5703 # if this macro is set.
5704 if test "$have_fsxattr" = "yes" ; then
5705     echo "HAVE_FSXATTR=y" >> $config_host_mak
5706 fi
5707 if test "$vte" = "yes" ; then
5708   echo "CONFIG_VTE=y" >> $config_host_mak
5709   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5710 fi
5711 if test "$virglrenderer" = "yes" ; then
5712   echo "CONFIG_VIRGL=y" >> $config_host_mak
5713   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5714   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5715 fi
5716 if test "$xen" = "yes" ; then
5717   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5718   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5719   if test "$xen_pv_domain_build" = "yes" ; then
5720     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5721   fi
5722 fi
5723 if test "$linux_aio" = "yes" ; then
5724   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5725 fi
5726 if test "$attr" = "yes" ; then
5727   echo "CONFIG_ATTR=y" >> $config_host_mak
5728 fi
5729 if test "$libattr" = "yes" ; then
5730   echo "CONFIG_LIBATTR=y" >> $config_host_mak
5731 fi
5732 if test "$virtfs" = "yes" ; then
5733   echo "CONFIG_VIRTFS=y" >> $config_host_mak
5734 fi
5735 if test "$vhost_scsi" = "yes" ; then
5736   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
5737 fi
5738 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
5739   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
5740 fi
5741 if test "$vhost_vsock" = "yes" ; then
5742   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
5743 fi
5744 if test "$vhost_user" = "yes" ; then
5745   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
5746 fi
5747 if test "$blobs" = "yes" ; then
5748   echo "INSTALL_BLOBS=yes" >> $config_host_mak
5749 fi
5750 if test "$iovec" = "yes" ; then
5751   echo "CONFIG_IOVEC=y" >> $config_host_mak
5752 fi
5753 if test "$preadv" = "yes" ; then
5754   echo "CONFIG_PREADV=y" >> $config_host_mak
5755 fi
5756 if test "$fdt" = "yes" ; then
5757   echo "CONFIG_FDT=y" >> $config_host_mak
5758 fi
5759 if test "$signalfd" = "yes" ; then
5760   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
5761 fi
5762 if test "$tcg" = "yes"; then
5763   echo "CONFIG_TCG=y" >> $config_host_mak
5764   if test "$tcg_interpreter" = "yes" ; then
5765     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
5766   fi
5767 fi
5768 if test "$fdatasync" = "yes" ; then
5769   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
5770 fi
5771 if test "$madvise" = "yes" ; then
5772   echo "CONFIG_MADVISE=y" >> $config_host_mak
5773 fi
5774 if test "$posix_madvise" = "yes" ; then
5775   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
5776 fi
5777
5778 if test "$spice" = "yes" ; then
5779   echo "CONFIG_SPICE=y" >> $config_host_mak
5780 fi
5781
5782 if test "$smartcard" = "yes" ; then
5783   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
5784 fi
5785
5786 if test "$libusb" = "yes" ; then
5787   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
5788 fi
5789
5790 if test "$usb_redir" = "yes" ; then
5791   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
5792 fi
5793
5794 if test "$opengl" = "yes" ; then
5795   echo "CONFIG_OPENGL=y" >> $config_host_mak
5796   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
5797   if test "$opengl_dmabuf" = "yes" ; then
5798     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
5799   fi
5800 fi
5801
5802 if test "$avx2_opt" = "yes" ; then
5803   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
5804 fi
5805
5806 if test "$lzo" = "yes" ; then
5807   echo "CONFIG_LZO=y" >> $config_host_mak
5808 fi
5809
5810 if test "$snappy" = "yes" ; then
5811   echo "CONFIG_SNAPPY=y" >> $config_host_mak
5812 fi
5813
5814 if test "$bzip2" = "yes" ; then
5815   echo "CONFIG_BZIP2=y" >> $config_host_mak
5816   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
5817 fi
5818
5819 if test "$libiscsi" = "yes" ; then
5820   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
5821   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
5822   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
5823 fi
5824
5825 if test "$libnfs" = "yes" ; then
5826   echo "CONFIG_LIBNFS=m" >> $config_host_mak
5827   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
5828 fi
5829
5830 if test "$seccomp" = "yes"; then
5831   echo "CONFIG_SECCOMP=y" >> $config_host_mak
5832 fi
5833
5834 # XXX: suppress that
5835 if [ "$bsd" = "yes" ] ; then
5836   echo "CONFIG_BSD=y" >> $config_host_mak
5837 fi
5838
5839 if test "$localtime_r" = "yes" ; then
5840   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
5841 fi
5842 if test "$qom_cast_debug" = "yes" ; then
5843   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
5844 fi
5845 if test "$rbd" = "yes" ; then
5846   echo "CONFIG_RBD=m" >> $config_host_mak
5847   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
5848   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
5849 fi
5850
5851 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
5852 if test "$coroutine_pool" = "yes" ; then
5853   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
5854 else
5855   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
5856 fi
5857
5858 if test "$debug_stack_usage" = "yes" ; then
5859   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
5860 fi
5861
5862 if test "$crypto_afalg" = "yes" ; then
5863   echo "CONFIG_AF_ALG=y" >> $config_host_mak
5864 fi
5865
5866 if test "$open_by_handle_at" = "yes" ; then
5867   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
5868 fi
5869
5870 if test "$linux_magic_h" = "yes" ; then
5871   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
5872 fi
5873
5874 if test "$pragma_diagnostic_available" = "yes" ; then
5875   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
5876 fi
5877
5878 if test "$valgrind_h" = "yes" ; then
5879   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
5880 fi
5881
5882 if test "$has_environ" = "yes" ; then
5883   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
5884 fi
5885
5886 if test "$cpuid_h" = "yes" ; then
5887   echo "CONFIG_CPUID_H=y" >> $config_host_mak
5888 fi
5889
5890 if test "$int128" = "yes" ; then
5891   echo "CONFIG_INT128=y" >> $config_host_mak
5892 fi
5893
5894 if test "$atomic128" = "yes" ; then
5895   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
5896 fi
5897
5898 if test "$atomic64" = "yes" ; then
5899   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
5900 fi
5901
5902 if test "$getauxval" = "yes" ; then
5903   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
5904 fi
5905
5906 if test "$glusterfs" = "yes" ; then
5907   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
5908   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
5909   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
5910 fi
5911
5912 if test "$glusterfs_xlator_opt" = "yes" ; then
5913   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
5914 fi
5915
5916 if test "$glusterfs_discard" = "yes" ; then
5917   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
5918 fi
5919
5920 if test "$glusterfs_fallocate" = "yes" ; then
5921   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
5922 fi
5923
5924 if test "$glusterfs_zerofill" = "yes" ; then
5925   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
5926 fi
5927
5928 if test "$libssh2" = "yes" ; then
5929   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
5930   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
5931   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
5932 fi
5933
5934 if test "$live_block_migration" = "yes" ; then
5935   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
5936 fi
5937
5938 # TPM passthrough support?
5939 if test "$tpm" = "yes"; then
5940   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
5941   if test "$tpm_passthrough" = "yes"; then
5942     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
5943   fi
5944 fi
5945
5946 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5947 if have_backend "nop"; then
5948   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5949 fi
5950 if have_backend "simple"; then
5951   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5952   # Set the appropriate trace file.
5953   trace_file="\"$trace_file-\" FMT_pid"
5954 fi
5955 if have_backend "log"; then
5956   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
5957 fi
5958 if have_backend "ust"; then
5959   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5960 fi
5961 if have_backend "dtrace"; then
5962   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5963   if test "$trace_backend_stap" = "yes" ; then
5964     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5965   fi
5966 fi
5967 if have_backend "ftrace"; then
5968   if test "$linux" = "yes" ; then
5969     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5970   else
5971     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5972   fi
5973 fi
5974 if have_backend "syslog"; then
5975   if test "$posix_syslog" = "yes" ; then
5976     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
5977   else
5978     feature_not_found "syslog(trace backend)" "syslog not available"
5979   fi
5980 fi
5981 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5982
5983 if test "$rdma" = "yes" ; then
5984   echo "CONFIG_RDMA=y" >> $config_host_mak
5985 fi
5986
5987 if test "$have_rtnetlink" = "yes" ; then
5988   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
5989 fi
5990
5991 if test "$replication" = "yes" ; then
5992   echo "CONFIG_REPLICATION=y" >> $config_host_mak
5993 fi
5994
5995 if test "$have_af_vsock" = "yes" ; then
5996   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
5997 fi
5998
5999 if test "$have_sysmacros" = "yes" ; then
6000   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6001 fi
6002
6003 if test "$have_static_assert" = "yes" ; then
6004   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6005 fi
6006
6007 if test "$have_utmpx" = "yes" ; then
6008   echo "HAVE_UTMPX=y" >> $config_host_mak
6009 fi
6010
6011 if test "$ivshmem" = "yes" ; then
6012   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6013 fi
6014
6015 # Hold two types of flag:
6016 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6017 #                                     a thread we have a handle to
6018 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6019 #                                     platform
6020 if test "$pthread_setname_np" = "yes" ; then
6021   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6022   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6023 fi
6024
6025 if test "$vxhs" = "yes" ; then
6026   echo "CONFIG_VXHS=y" >> $config_host_mak
6027   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6028 fi
6029
6030 if test "$tcg_interpreter" = "yes"; then
6031   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6032 elif test "$ARCH" = "sparc64" ; then
6033   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6034 elif test "$ARCH" = "s390x" ; then
6035   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6036 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6037   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6038 elif test "$ARCH" = "ppc64" ; then
6039   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6040 else
6041   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6042 fi
6043 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6044
6045 echo "TOOLS=$tools" >> $config_host_mak
6046 echo "ROMS=$roms" >> $config_host_mak
6047 echo "MAKE=$make" >> $config_host_mak
6048 echo "INSTALL=$install" >> $config_host_mak
6049 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6050 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6051 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6052 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6053 echo "PYTHON=$python" >> $config_host_mak
6054 echo "CC=$cc" >> $config_host_mak
6055 if $iasl -h > /dev/null 2>&1; then
6056   echo "IASL=$iasl" >> $config_host_mak
6057 fi
6058 echo "CC_I386=$cc_i386" >> $config_host_mak
6059 echo "HOST_CC=$host_cc" >> $config_host_mak
6060 echo "CXX=$cxx" >> $config_host_mak
6061 echo "OBJCC=$objcc" >> $config_host_mak
6062 echo "AR=$ar" >> $config_host_mak
6063 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6064 echo "AS=$as" >> $config_host_mak
6065 echo "CCAS=$ccas" >> $config_host_mak
6066 echo "CPP=$cpp" >> $config_host_mak
6067 echo "OBJCOPY=$objcopy" >> $config_host_mak
6068 echo "LD=$ld" >> $config_host_mak
6069 echo "NM=$nm" >> $config_host_mak
6070 echo "WINDRES=$windres" >> $config_host_mak
6071 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6072 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6073 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6074 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6075 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6076 if test "$sparse" = "yes" ; then
6077   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6078   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6079   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6080   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6081   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6082 fi
6083 if test "$cross_prefix" != ""; then
6084   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6085 else
6086   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6087 fi
6088 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6089 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6090 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6091 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6092 echo "LIBS+=$LIBS" >> $config_host_mak
6093 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6094 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6095 echo "EXESUF=$EXESUF" >> $config_host_mak
6096 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6097 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6098 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6099 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6100 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6101 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6102 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6103 if test "$gcov" = "yes" ; then
6104   echo "CONFIG_GCOV=y" >> $config_host_mak
6105   echo "GCOV=$gcov_tool" >> $config_host_mak
6106 fi
6107
6108 # use included Linux headers
6109 if test "$linux" = "yes" ; then
6110   mkdir -p linux-headers
6111   case "$cpu" in
6112   i386|x86_64|x32)
6113     linux_arch=x86
6114     ;;
6115   ppcemb|ppc|ppc64)
6116     linux_arch=powerpc
6117     ;;
6118   s390x)
6119     linux_arch=s390
6120     ;;
6121   aarch64)
6122     linux_arch=arm64
6123     ;;
6124   mips64)
6125     linux_arch=mips
6126     ;;
6127   *)
6128     # For most CPUs the kernel architecture name and QEMU CPU name match.
6129     linux_arch="$cpu"
6130     ;;
6131   esac
6132     # For non-KVM architectures we will not have asm headers
6133     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6134       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6135     fi
6136 fi
6137
6138 for target in $target_list; do
6139 target_dir="$target"
6140 config_target_mak=$target_dir/config-target.mak
6141 target_name=$(echo $target | cut -d '-' -f 1)
6142 target_bigendian="no"
6143
6144 case "$target_name" in
6145   armeb|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6146   target_bigendian=yes
6147   ;;
6148 esac
6149 target_softmmu="no"
6150 target_user_only="no"
6151 target_linux_user="no"
6152 target_bsd_user="no"
6153 case "$target" in
6154   ${target_name}-softmmu)
6155     target_softmmu="yes"
6156     ;;
6157   ${target_name}-linux-user)
6158     target_user_only="yes"
6159     target_linux_user="yes"
6160     ;;
6161   ${target_name}-bsd-user)
6162     target_user_only="yes"
6163     target_bsd_user="yes"
6164     ;;
6165   *)
6166     error_exit "Target '$target' not recognised"
6167     exit 1
6168     ;;
6169 esac
6170
6171 mkdir -p $target_dir
6172 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6173
6174 bflt="no"
6175 mttcg="no"
6176 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6177 gdb_xml_files=""
6178
6179 TARGET_ARCH="$target_name"
6180 TARGET_BASE_ARCH=""
6181 TARGET_ABI_DIR=""
6182
6183 case "$target_name" in
6184   i386)
6185     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6186   ;;
6187   x86_64)
6188     TARGET_BASE_ARCH=i386
6189     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6190   ;;
6191   alpha)
6192     mttcg="yes"
6193   ;;
6194   arm|armeb)
6195     TARGET_ARCH=arm
6196     bflt="yes"
6197     mttcg="yes"
6198     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6199   ;;
6200   aarch64)
6201     TARGET_BASE_ARCH=arm
6202     bflt="yes"
6203     mttcg="yes"
6204     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6205   ;;
6206   cris)
6207   ;;
6208   hppa)
6209   ;;
6210   lm32)
6211   ;;
6212   m68k)
6213     bflt="yes"
6214     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6215   ;;
6216   microblaze|microblazeel)
6217     TARGET_ARCH=microblaze
6218     bflt="yes"
6219   ;;
6220   mips|mipsel)
6221     TARGET_ARCH=mips
6222     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6223   ;;
6224   mipsn32|mipsn32el)
6225     TARGET_ARCH=mips64
6226     TARGET_BASE_ARCH=mips
6227     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6228     echo "TARGET_ABI32=y" >> $config_target_mak
6229   ;;
6230   mips64|mips64el)
6231     TARGET_ARCH=mips64
6232     TARGET_BASE_ARCH=mips
6233     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6234   ;;
6235   moxie)
6236   ;;
6237   nios2)
6238   ;;
6239   or1k)
6240     TARGET_ARCH=openrisc
6241     TARGET_BASE_ARCH=openrisc
6242   ;;
6243   ppc)
6244     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6245   ;;
6246   ppcemb)
6247     TARGET_BASE_ARCH=ppc
6248     TARGET_ABI_DIR=ppc
6249     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6250   ;;
6251   ppc64)
6252     TARGET_BASE_ARCH=ppc
6253     TARGET_ABI_DIR=ppc
6254     mttcg=yes
6255     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6256   ;;
6257   ppc64le)
6258     TARGET_ARCH=ppc64
6259     TARGET_BASE_ARCH=ppc
6260     TARGET_ABI_DIR=ppc
6261     mttcg=yes
6262     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6263   ;;
6264   ppc64abi32)
6265     TARGET_ARCH=ppc64
6266     TARGET_BASE_ARCH=ppc
6267     TARGET_ABI_DIR=ppc
6268     echo "TARGET_ABI32=y" >> $config_target_mak
6269     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6270   ;;
6271   sh4|sh4eb)
6272     TARGET_ARCH=sh4
6273     bflt="yes"
6274   ;;
6275   sparc)
6276   ;;
6277   sparc64)
6278     TARGET_BASE_ARCH=sparc
6279   ;;
6280   sparc32plus)
6281     TARGET_ARCH=sparc64
6282     TARGET_BASE_ARCH=sparc
6283     TARGET_ABI_DIR=sparc
6284     echo "TARGET_ABI32=y" >> $config_target_mak
6285   ;;
6286   s390x)
6287     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6288   ;;
6289   tilegx)
6290   ;;
6291   tricore)
6292   ;;
6293   unicore32)
6294   ;;
6295   xtensa|xtensaeb)
6296     TARGET_ARCH=xtensa
6297   ;;
6298   *)
6299     error_exit "Unsupported target CPU"
6300   ;;
6301 esac
6302 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6303 if [ "$TARGET_BASE_ARCH" = "" ]; then
6304   TARGET_BASE_ARCH=$TARGET_ARCH
6305 fi
6306
6307 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6308
6309 upper() {
6310     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6311 }
6312
6313 target_arch_name="$(upper $TARGET_ARCH)"
6314 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6315 echo "TARGET_NAME=$target_name" >> $config_target_mak
6316 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6317 if [ "$TARGET_ABI_DIR" = "" ]; then
6318   TARGET_ABI_DIR=$TARGET_ARCH
6319 fi
6320 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6321 if [ "$HOST_VARIANT_DIR" != "" ]; then
6322     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6323 fi
6324
6325 if supported_xen_target $target; then
6326     echo "CONFIG_XEN=y" >> $config_target_mak
6327     if test "$xen_pci_passthrough" = yes; then
6328         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6329     fi
6330 fi
6331 if supported_kvm_target $target; then
6332     echo "CONFIG_KVM=y" >> $config_target_mak
6333     if test "$vhost_net" = "yes" ; then
6334         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6335         if test "$vhost_user" = "yes" ; then
6336             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6337         fi
6338     fi
6339 fi
6340 if supported_hax_target $target; then
6341     echo "CONFIG_HAX=y" >> $config_target_mak
6342 fi
6343 if test "$target_bigendian" = "yes" ; then
6344   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6345 fi
6346 if test "$target_softmmu" = "yes" ; then
6347   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6348   if test "$mttcg" = "yes" ; then
6349     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6350   fi
6351 fi
6352 if test "$target_user_only" = "yes" ; then
6353   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6354   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6355 fi
6356 if test "$target_linux_user" = "yes" ; then
6357   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6358 fi
6359 list=""
6360 if test ! -z "$gdb_xml_files" ; then
6361   for x in $gdb_xml_files; do
6362     list="$list $source_path/gdb-xml/$x"
6363   done
6364   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6365 fi
6366
6367 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6368   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6369 fi
6370 if test "$target_bsd_user" = "yes" ; then
6371   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6372 fi
6373
6374 # generate QEMU_CFLAGS/LDFLAGS for targets
6375
6376 cflags=""
6377 ldflags=""
6378
6379 disas_config() {
6380   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6381   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6382 }
6383
6384 for i in $ARCH $TARGET_BASE_ARCH ; do
6385   case "$i" in
6386   alpha)
6387     disas_config "ALPHA"
6388   ;;
6389   aarch64)
6390     if test -n "${cxx}"; then
6391       disas_config "ARM_A64"
6392     fi
6393   ;;
6394   arm)
6395     disas_config "ARM"
6396     if test -n "${cxx}"; then
6397       disas_config "ARM_A64"
6398     fi
6399   ;;
6400   cris)
6401     disas_config "CRIS"
6402   ;;
6403   hppa)
6404     disas_config "HPPA"
6405   ;;
6406   i386|x86_64|x32)
6407     disas_config "I386"
6408   ;;
6409   lm32)
6410     disas_config "LM32"
6411   ;;
6412   m68k)
6413     disas_config "M68K"
6414   ;;
6415   microblaze*)
6416     disas_config "MICROBLAZE"
6417   ;;
6418   mips*)
6419     disas_config "MIPS"
6420   ;;
6421   moxie*)
6422     disas_config "MOXIE"
6423   ;;
6424   nios2)
6425     disas_config "NIOS2"
6426   ;;
6427   or1k)
6428     disas_config "OPENRISC"
6429   ;;
6430   ppc*)
6431     disas_config "PPC"
6432   ;;
6433   s390*)
6434     disas_config "S390"
6435   ;;
6436   sh4)
6437     disas_config "SH4"
6438   ;;
6439   sparc*)
6440     disas_config "SPARC"
6441   ;;
6442   xtensa*)
6443     disas_config "XTENSA"
6444   ;;
6445   esac
6446 done
6447 if test "$tcg_interpreter" = "yes" ; then
6448   disas_config "TCI"
6449 fi
6450
6451 case "$ARCH" in
6452 alpha)
6453   # Ensure there's only a single GP
6454   cflags="-msmall-data $cflags"
6455 ;;
6456 esac
6457
6458 if test "$gprof" = "yes" ; then
6459   echo "TARGET_GPROF=yes" >> $config_target_mak
6460   if test "$target_linux_user" = "yes" ; then
6461     cflags="-p $cflags"
6462     ldflags="-p $ldflags"
6463   fi
6464   if test "$target_softmmu" = "yes" ; then
6465     ldflags="-p $ldflags"
6466     echo "GPROF_CFLAGS=-p" >> $config_target_mak
6467   fi
6468 fi
6469
6470 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
6471   ldflags="$ldflags $textseg_ldflags"
6472 fi
6473
6474 # Newer kernels on s390 check for an S390_PGSTE program header and
6475 # enable the pgste page table extensions in that case. This makes
6476 # the vm.allocate_pgste sysctl unnecessary. We enable this program
6477 # header if
6478 #  - we build on s390x
6479 #  - we build the system emulation for s390x (qemu-system-s390x)
6480 #  - KVM is enabled
6481 #  - the linker supports --s390-pgste
6482 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
6483     if ld_has --s390-pgste ; then
6484         ldflags="-Wl,--s390-pgste $ldflags"
6485     fi
6486 fi
6487
6488 echo "LDFLAGS+=$ldflags" >> $config_target_mak
6489 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
6490
6491 done # for target in $targets
6492
6493 if [ "$dtc_internal" = "yes" ]; then
6494   echo "config-host.h: subdir-dtc" >> $config_host_mak
6495 fi
6496
6497 if test "$numa" = "yes"; then
6498   echo "CONFIG_NUMA=y" >> $config_host_mak
6499 fi
6500
6501 if test "$ccache_cpp2" = "yes"; then
6502   echo "export CCACHE_CPP2=y" >> $config_host_mak
6503 fi
6504
6505 # build tree in object directory in case the source is not in the current directory
6506 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
6507 DIRS="$DIRS docs docs/interop fsdev"
6508 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
6509 DIRS="$DIRS roms/seabios roms/vgabios"
6510 DIRS="$DIRS qapi-generated"
6511 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
6512 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
6513 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
6514 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
6515 FILES="$FILES pc-bios/spapr-rtas/Makefile"
6516 FILES="$FILES pc-bios/s390-ccw/Makefile"
6517 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
6518 FILES="$FILES pc-bios/qemu-icon.bmp"
6519 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
6520 for bios_file in \
6521     $source_path/pc-bios/*.bin \
6522     $source_path/pc-bios/*.lid \
6523     $source_path/pc-bios/*.aml \
6524     $source_path/pc-bios/*.rom \
6525     $source_path/pc-bios/*.dtb \
6526     $source_path/pc-bios/*.img \
6527     $source_path/pc-bios/openbios-* \
6528     $source_path/pc-bios/u-boot.* \
6529     $source_path/pc-bios/palcode-*
6530 do
6531     FILES="$FILES pc-bios/$(basename $bios_file)"
6532 done
6533 for test_file in $(find $source_path/tests/acpi-test-data -type f)
6534 do
6535     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
6536 done
6537 mkdir -p $DIRS
6538 for f in $FILES ; do
6539     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
6540         symlink "$source_path/$f" "$f"
6541     fi
6542 done
6543
6544 # temporary config to build submodules
6545 for rom in seabios vgabios ; do
6546     config_mak=roms/$rom/config.mak
6547     echo "# Automatically generated by configure - do not modify" > $config_mak
6548     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6549     echo "AS=$as" >> $config_mak
6550     echo "CCAS=$ccas" >> $config_mak
6551     echo "CC=$cc" >> $config_mak
6552     echo "BCC=bcc" >> $config_mak
6553     echo "CPP=$cpp" >> $config_mak
6554     echo "OBJCOPY=objcopy" >> $config_mak
6555     echo "IASL=$iasl" >> $config_mak
6556     echo "LD=$ld" >> $config_mak
6557 done
6558
6559 # set up tests data directory
6560 if [ ! -e tests/data ]; then
6561     symlink "$source_path/tests/data" tests/data
6562 fi
6563
6564 # set up qemu-iotests in this build directory
6565 iotests_common_env="tests/qemu-iotests/common.env"
6566 iotests_check="tests/qemu-iotests/check"
6567
6568 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6569 echo >> "$iotests_common_env"
6570 echo "export PYTHON='$python'" >> "$iotests_common_env"
6571
6572 if [ ! -e "$iotests_check" ]; then
6573     symlink "$source_path/$iotests_check" "$iotests_check"
6574 fi
6575
6576 # Save the configure command line for later reuse.
6577 cat <<EOD >config.status
6578 #!/bin/sh
6579 # Generated by configure.
6580 # Run this file to recreate the current configuration.
6581 # Compiler output produced by configure, useful for debugging
6582 # configure, is in config.log if it exists.
6583 EOD
6584 printf "exec" >>config.status
6585 printf " '%s'" "$0" "$@" >>config.status
6586 echo ' "$@"' >>config.status
6587 chmod +x config.status
6588
6589 rm -r "$TMPDIR1"