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 $arg in
 102             -Wno-override-init|\
 103             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 104             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 105                 ;;
 106             *)
 107                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 108                 ;;
 109         esac
 110     done
 111 }
 112
 113 compile_object() {
 114   local_cflags="$1"
 115   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 116 }
 117
 118 compile_prog() {
 119   local_cflags="$1"
 120   local_ldflags="$2"
 121   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 122 }
 123
 124 # symbolically link $1 to $2.  Portable version of "ln -sf".
 125 symlink() {
 126   rm -rf "$2"
 127   mkdir -p "$(dirname "$2")"
 128   ln -s "$1" "$2"
 129 }
 130
 131 # check whether a command is available to this shell (may be either an
 132 # executable or a builtin)
 133 has() {
 134     type "$1" >/dev/null 2>&1
 135 }
 136
 137 # search for an executable in PATH
 138 path_of() {
 139     local_command="$1"
 140     local_ifs="$IFS"
 141     local_dir=""
 142
 143     # pathname has a dir component?
 144     if [ "${local_command#*/}" != "$local_command" ]; then
 145         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 146             echo "$local_command"
 147             return 0
 148         fi
 149     fi
 150     if [ -z "$local_command" ]; then
 151         return 1
 152     fi
 153
 154     IFS=:
 155     for local_dir in $PATH; do
 156         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 157             echo "$local_dir/$local_command"
 158             IFS="${local_ifs:-$(printf ' \t\n')}"
 159             return 0
 160         fi
 161     done
 162     # not found
 163     IFS="${local_ifs:-$(printf ' \t\n')}"
 164     return 1
 165 }
 166
 167 have_backend () {
 168     echo "$trace_backends" | grep "$1" >/dev/null
 169 }
 170
 171 glob() {
 172     eval test -z '"${1#'"$2"'}"'
 173 }
 174
 175 supported_hax_target() {
 176     test "$hax" = "yes" || return 1
 177     glob "$1" "*-softmmu" || return 1
 178     case "${1%-softmmu}" in
 179         i386|x86_64)
 180             return 0
 181         ;;
 182     esac
 183     return 1
 184 }
 185
 186 supported_kvm_target() {
 187     test "$kvm" = "yes" || return 1
 188     glob "$1" "*-softmmu" || return 1
 189     case "${1%-softmmu}:$cpu" in
 190         arm:arm | aarch64:aarch64 | \
 191         i386:i386 | i386:x86_64 | i386:x32 | \
 192         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 193         mips:mips | mipsel:mips | \
 194         ppc:ppc | ppcemb:ppc | ppc64:ppc | \
 195         ppc:ppc64 | ppcemb:ppc64 | ppc64:ppc64 | \
 196         s390x:s390x)
 197             return 0
 198         ;;
 199     esac
 200     return 1
 201 }
 202
 203 supported_xen_target() {
 204     test "$xen" = "yes" || return 1
 205     glob "$1" "*-softmmu" || return 1
 206     # Only i386 and x86_64 provide the xenpv machine.
 207     case "${1%-softmmu}" in
 208         i386|x86_64)
 209             return 0
 210         ;;
 211     esac
 212     return 1
 213 }
 214
 215 supported_hvf_target() {
 216     test "$hvf" = "yes" || return 1
 217     glob "$1" "*-softmmu" || return 1
 218     case "${1%-softmmu}" in
 219         x86_64)
 220             return 0
 221         ;;
 222     esac
 223     return 1
 224 }
 225
 226 supported_whpx_target() {
 227     test "$whpx" = "yes" || return 1
 228     glob "$1" "*-softmmu" || return 1
 229     case "${1%-softmmu}" in
 230         i386|x86_64)
 231             return 0
 232         ;;
 233     esac
 234     return 1
 235 }
 236
 237 supported_target() {
 238     case "$1" in
 239         *-softmmu)
 240             ;;
 241         *-linux-user)
 242             if test "$linux" != "yes"; then
 243                 print_error "Target '$target' is only available on a Linux host"
 244                 return 1
 245             fi
 246             ;;
 247         *-bsd-user)
 248             if test "$bsd" != "yes"; then
 249                 print_error "Target '$target' is only available on a BSD host"
 250                 return 1
 251             fi
 252             ;;
 253         *)
 254             print_error "Invalid target name '$target'"
 255             return 1
 256             ;;
 257     esac
 258     test "$tcg" = "yes" && return 0
 259     supported_kvm_target "$1" && return 0
 260     supported_xen_target "$1" && return 0
 261     supported_hax_target "$1" && return 0
 262     supported_hvf_target "$1" && return 0
 263     supported_whpx_target "$1" && return 0
 264     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 265     return 1
 266 }
 267
 268
 269 ld_has() {
 270     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 271 }
 272
 273 # default parameters
 274 source_path=$(dirname "$0")
 275 cpu=""
 276 iasl="iasl"
 277 interp_prefix="/usr/gnemul/qemu-%M"
 278 static="no"
 279 cross_prefix=""
 280 audio_drv_list=""
 281 block_drv_rw_whitelist=""
 282 block_drv_ro_whitelist=""
 283 host_cc="cc"
 284 libs_softmmu=""
 285 libs_tools=""
 286 audio_pt_int=""
 287 audio_win_int=""
 288 cc_i386=i386-pc-linux-gnu-gcc
 289 libs_qga=""
 290 debug_info="yes"
 291 stack_protector=""
 292
 293 if test -e "$source_path/.git"
 294 then
 295     git_update=yes
 296     git_submodules="ui/keycodemapdb"
 297 else
 298     git_update=no
 299     git_submodules=""
 300 fi
 301 git="git"
 302
 303 # Don't accept a target_list environment variable.
 304 unset target_list
 305
 306 # Default value for a variable defining feature "foo".
 307 #  * foo="no"  feature will only be used if --enable-foo arg is given
 308 #  * foo=""    feature will be searched for, and if found, will be used
 309 #              unless --disable-foo is given
 310 #  * foo="yes" this value will only be set by --enable-foo flag.
 311 #              feature will searched for,
 312 #              if not found, configure exits with error
 313 #
 314 # Always add --enable-foo and --disable-foo command line args.
 315 # Distributions want to ensure that several features are compiled in, and it
 316 # is impossible without a --enable-foo that exits if a feature is not found.
 317
 318 bluez=""
 319 brlapi=""
 320 curl=""
 321 curses=""
 322 docs=""
 323 fdt=""
 324 netmap="no"
 325 sdl=""
 326 sdlabi=""
 327 virtfs=""
 328 mpath=""
 329 vnc="yes"
 330 sparse="no"
 331 vde=""
 332 vnc_sasl=""
 333 vnc_jpeg=""
 334 vnc_png=""
 335 xkbcommon=""
 336 xen=""
 337 xen_ctrl_version=""
 338 xen_pv_domain_build="no"
 339 xen_pci_passthrough=""
 340 linux_aio=""
 341 cap_ng=""
 342 attr=""
 343 libattr=""
 344 xfs=""
 345 tcg="yes"
 346
 347 vhost_net="no"
 348 vhost_scsi="no"
 349 vhost_vsock="no"
 350 vhost_user=""
 351 kvm="no"
 352 hax="no"
 353 hvf="no"
 354 whpx="no"
 355 rdma=""
 356 gprof="no"
 357 debug_tcg="no"
 358 debug="no"
 359 sanitizers="no"
 360 fortify_source=""
 361 strip_opt="yes"
 362 tcg_interpreter="no"
 363 bigendian="no"
 364 mingw32="no"
 365 gcov="no"
 366 gcov_tool="gcov"
 367 EXESUF=""
 368 DSOSUF=".so"
 369 LDFLAGS_SHARED="-shared"
 370 modules="no"
 371 prefix="/usr/local"
 372 mandir="\${prefix}/share/man"
 373 datadir="\${prefix}/share"
 374 firmwarepath="\${prefix}/share/qemu-firmware"
 375 qemu_docdir="\${prefix}/share/doc/qemu"
 376 bindir="\${prefix}/bin"
 377 libdir="\${prefix}/lib"
 378 libexecdir="\${prefix}/libexec"
 379 includedir="\${prefix}/include"
 380 sysconfdir="\${prefix}/etc"
 381 local_statedir="\${prefix}/var"
 382 confsuffix="/qemu"
 383 slirp="yes"
 384 oss_lib=""
 385 bsd="no"
 386 haiku="no"
 387 linux="no"
 388 solaris="no"
 389 profiler="no"
 390 cocoa="no"
 391 softmmu="yes"
 392 linux_user="no"
 393 bsd_user="no"
 394 blobs="yes"
 395 pkgversion=""
 396 pie=""
 397 qom_cast_debug="yes"
 398 trace_backends="log"
 399 trace_file="trace"
 400 spice=""
 401 rbd=""
 402 smartcard=""
 403 libusb=""
 404 usb_redir=""
 405 opengl=""
 406 opengl_dmabuf="no"
 407 cpuid_h="no"
 408 avx2_opt="no"
 409 zlib="yes"
 410 capstone=""
 411 lzo=""
 412 snappy=""
 413 bzip2=""
 414 guest_agent=""
 415 guest_agent_with_vss="no"
 416 guest_agent_ntddscsi="no"
 417 guest_agent_msi=""
 418 vss_win32_sdk=""
 419 win_sdk="no"
 420 want_tools="yes"
 421 libiscsi=""
 422 libnfs=""
 423 coroutine=""
 424 coroutine_pool=""
 425 debug_stack_usage="no"
 426 crypto_afalg="no"
 427 seccomp=""
 428 glusterfs=""
 429 glusterfs_xlator_opt="no"
 430 glusterfs_discard="no"
 431 glusterfs_fallocate="no"
 432 glusterfs_zerofill="no"
 433 gtk=""
 434 gtkabi=""
 435 gtk_gl="no"
 436 tls_priority="NORMAL"
 437 gnutls=""
 438 gnutls_rnd=""
 439 nettle=""
 440 nettle_kdf="no"
 441 gcrypt=""
 442 gcrypt_hmac="no"
 443 gcrypt_kdf="no"
 444 vte=""
 445 virglrenderer=""
 446 tpm="yes"
 447 libssh2=""
 448 live_block_migration="yes"
 449 numa=""
 450 tcmalloc="no"
 451 jemalloc="no"
 452 replication="yes"
 453 vxhs=""
 454 libxml2=""
 455
 456 supported_cpu="no"
 457 supported_os="no"
 458 bogus_os="no"
 459 malloc_trim=""
 460
 461 # parse CC options first
 462 for opt do
 463   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 464   case "$opt" in
 465   --cross-prefix=*) cross_prefix="$optarg"
 466   ;;
 467   --cc=*) CC="$optarg"
 468   ;;
 469   --cxx=*) CXX="$optarg"
 470   ;;
 471   --source-path=*) source_path="$optarg"
 472   ;;
 473   --cpu=*) cpu="$optarg"
 474   ;;
 475   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 476   ;;
 477   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 478   ;;
 479   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 480                      EXTRA_LDFLAGS="$optarg"
 481   ;;
 482   --enable-debug-info) debug_info="yes"
 483   ;;
 484   --disable-debug-info) debug_info="no"
 485   ;;
 486   esac
 487 done
 488 # OS specific
 489 # Using uname is really, really broken.  Once we have the right set of checks
 490 # we can eliminate its usage altogether.
 491
 492 # Preferred compiler:
 493 #  ${CC} (if set)
 494 #  ${cross_prefix}gcc (if cross-prefix specified)
 495 #  system compiler
 496 if test -z "${CC}${cross_prefix}"; then
 497   cc="$host_cc"
 498 else
 499   cc="${CC-${cross_prefix}gcc}"
 500 fi
 501
 502 if test -z "${CXX}${cross_prefix}"; then
 503   cxx="c++"
 504 else
 505   cxx="${CXX-${cross_prefix}g++}"
 506 fi
 507
 508 ar="${AR-${cross_prefix}ar}"
 509 as="${AS-${cross_prefix}as}"
 510 ccas="${CCAS-$cc}"
 511 cpp="${CPP-$cc -E}"
 512 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 513 ld="${LD-${cross_prefix}ld}"
 514 ranlib="${RANLIB-${cross_prefix}ranlib}"
 515 nm="${NM-${cross_prefix}nm}"
 516 strip="${STRIP-${cross_prefix}strip}"
 517 windres="${WINDRES-${cross_prefix}windres}"
 518 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 519 query_pkg_config() {
 520     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 521 }
 522 pkg_config=query_pkg_config
 523 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 524 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 525
 526 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 527 ARFLAGS="${ARFLAGS-rv}"
 528
 529 # default flags for all hosts
 530 # We use -fwrapv to tell the compiler that we require a C dialect where
 531 # left shift of signed integers is well defined and has the expected
 532 # 2s-complement style results. (Both clang and gcc agree that it
 533 # provides these semantics.)
 534 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 535 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 536 QEMU_CFLAGS="-Wmissing-format-attribute $QEMU_CFLAGS"
 537 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 538 QEMU_CFLAGS="-Wno-unused-parameter $QEMU_CFLAGS"
 539 QEMU_CFLAGS="-Wno-missing-field-initializers $QEMU_CFLAGS"
 540 QEMU_CFLAGS="-Wno-sign-compare $QEMU_CFLAGS"
 541 QEMU_CFLAGS="-Wno-override-init $QEMU_CFLAGS"
 542 QEMU_CFLAGS="-Wno-error=format $QEMU_CFLAGS"
 543 QEMU_CFLAGS="-Wno-error=format-extra-args $QEMU_CFLAGS"
 544 QEMU_CFLAGS="-Wno-error=parentheses $QEMU_CFLAGS"
 545 QEMU_CFLAGS="-Wextra $QEMU_CFLAGS"
 546 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 547 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/accel/tcg -I\$(SRC_PATH)/include"
 548 if test "$debug_info" = "yes"; then
 549     CFLAGS="-g $CFLAGS"
 550     LDFLAGS="-g $LDFLAGS"
 551 fi
 552
 553 # make source path absolute
 554 source_path=$(cd "$source_path"; pwd)
 555
 556 cc_macros=$($cc $QEMU_CFLAGS -E -dD - </dev/null)
 557
 558 # running configure in the source tree?
 559 # we know that's the case if configure is there.
 560 if test -f "./configure"; then
 561     pwd_is_source_path="y"
 562 else
 563     pwd_is_source_path="n"
 564 fi
 565
 566 check_define() {
 567 rm -f $TMPC
 568 cat > $TMPC <<EOF
 569 #if !defined($1)
 570 #error $1 not defined
 571 #endif
 572 int main(void) { return 0; }
 573 EOF
 574   compile_object
 575 }
 576
 577 check_include() {
 578 cat > $TMPC <<EOF
 579 #include <$1>
 580 int main(void) { return 0; }
 581 EOF
 582   compile_object
 583 }
 584
 585 write_c_skeleton() {
 586     cat > $TMPC <<EOF
 587 int main(void) { return 0; }
 588 EOF
 589 }
 590
 591 if check_define __linux__ ; then
 592   targetos="Linux"
 593 elif check_define _WIN32 ; then
 594   targetos='MINGW32'
 595 elif check_define __OpenBSD__ ; then
 596   targetos='OpenBSD'
 597 elif check_define __sun__ ; then
 598   targetos='SunOS'
 599 elif check_define __HAIKU__ ; then
 600   targetos='Haiku'
 601 elif check_define __FreeBSD__ ; then
 602   targetos='FreeBSD'
 603 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 604   targetos='GNU/kFreeBSD'
 605 elif check_define __DragonFly__ ; then
 606   targetos='DragonFly'
 607 elif check_define __NetBSD__; then
 608   targetos='NetBSD'
 609 elif check_define __APPLE__; then
 610   targetos='Darwin'
 611 else
 612   # This is a fatal error, but don't report it yet, because we
 613   # might be going to just print the --help text, or it might
 614   # be the result of a missing compiler.
 615   targetos='bogus'
 616   bogus_os='yes'
 617 fi
 618
 619 # Some host OSes need non-standard checks for which CPU to use.
 620 # Note that these checks are broken for cross-compilation: if you're
 621 # cross-compiling to one of these OSes then you'll need to specify
 622 # the correct CPU with the --cpu option.
 623 case $targetos in
 624 Darwin)
 625   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 626   # run 64-bit userspace code.
 627   # If the user didn't specify a CPU explicitly and the kernel says this is
 628   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 629   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 630     cpu="x86_64"
 631   fi
 632   ;;
 633 SunOS)
 634   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 635   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 636     cpu="x86_64"
 637   fi
 638 esac
 639
 640 if test ! -z "$cpu" ; then
 641   # command line argument
 642   :
 643 elif check_define __i386__ ; then
 644   cpu="i386"
 645 elif check_define __x86_64__ ; then
 646   if check_define __ILP32__ ; then
 647     cpu="x32"
 648   else
 649     cpu="x86_64"
 650   fi
 651 elif check_define __sparc__ ; then
 652   if check_define __arch64__ ; then
 653     cpu="sparc64"
 654   else
 655     cpu="sparc"
 656   fi
 657 elif check_define _ARCH_PPC ; then
 658   if check_define _ARCH_PPC64 ; then
 659     cpu="ppc64"
 660   else
 661     cpu="ppc"
 662   fi
 663 elif check_define __mips__ ; then
 664   if check_define __mips64 ; then
 665     cpu="mips64"
 666   else
 667     cpu="mips"
 668   fi
 669 elif check_define __s390__ ; then
 670   if check_define __s390x__ ; then
 671     cpu="s390x"
 672   else
 673     cpu="s390"
 674   fi
 675 elif check_define __arm__ ; then
 676   cpu="arm"
 677 elif check_define __aarch64__ ; then
 678   cpu="aarch64"
 679 else
 680   cpu=$(uname -m)
 681 fi
 682
 683 ARCH=
 684 # Normalise host CPU name and set ARCH.
 685 # Note that this case should only have supported host CPUs, not guests.
 686 case "$cpu" in
 687   ppc|ppc64|s390|s390x|sparc64|x32)
 688     cpu="$cpu"
 689     supported_cpu="yes"
 690   ;;
 691   i386|i486|i586|i686|i86pc|BePC)
 692     cpu="i386"
 693     supported_cpu="yes"
 694   ;;
 695   x86_64|amd64)
 696     cpu="x86_64"
 697     supported_cpu="yes"
 698   ;;
 699   armv*b|armv*l|arm)
 700     cpu="arm"
 701     supported_cpu="yes"
 702   ;;
 703   aarch64)
 704     cpu="aarch64"
 705     supported_cpu="yes"
 706   ;;
 707   mips*)
 708     cpu="mips"
 709     if check_define __MIPSEL__ ; then
 710       cpu="${cpu}el"
 711     fi
 712     supported_cpu="yes"
 713   ;;
 714   sparc|sun4[cdmuv])
 715     cpu="sparc"
 716     supported_cpu="yes"
 717   ;;
 718   sh4)
 719     cpu="sh4"
 720     ;;
 721   *)
 722     # This will result in either an error or falling back to TCI later
 723     ARCH=unknown
 724   ;;
 725 esac
 726 if test -z "$ARCH"; then
 727   ARCH="$cpu"
 728 fi
 729
 730 # OS specific
 731
 732 # host *BSD for user mode
 733 HOST_VARIANT_DIR=""
 734
 735 case $targetos in
 736 MINGW32*)
 737   mingw32="yes"
 738   hax="yes"
 739   audio_possible_drivers="dsound sdl"
 740   if check_include dsound.h; then
 741     audio_drv_list="dsound"
 742   else
 743     audio_drv_list=""
 744   fi
 745   supported_os="yes"
 746 ;;
 747 GNU/kFreeBSD)
 748   bsd="yes"
 749   audio_drv_list="oss"
 750   audio_possible_drivers="oss sdl pa"
 751 ;;
 752 FreeBSD)
 753   bsd="yes"
 754   make="${MAKE-gmake}"
 755   audio_drv_list="oss"
 756   audio_possible_drivers="oss sdl pa"
 757   # needed for kinfo_getvmmap(3) in libutil.h
 758   LIBS="-lutil $LIBS"
 759   # needed for kinfo_getproc
 760   libs_qga="-lutil $libs_qga"
 761   netmap=""  # enable netmap autodetect
 762   HOST_VARIANT_DIR="freebsd"
 763   supported_os="yes"
 764 ;;
 765 DragonFly)
 766   bsd="yes"
 767   make="${MAKE-gmake}"
 768   audio_drv_list="oss"
 769   audio_possible_drivers="oss sdl pa"
 770   HOST_VARIANT_DIR="dragonfly"
 771 ;;
 772 NetBSD)
 773   bsd="yes"
 774   make="${MAKE-gmake}"
 775   audio_drv_list="oss"
 776   audio_possible_drivers="oss sdl"
 777   oss_lib="-lossaudio"
 778   HOST_VARIANT_DIR="netbsd"
 779   supported_os="yes"
 780 ;;
 781 OpenBSD)
 782   bsd="yes"
 783   make="${MAKE-gmake}"
 784   audio_drv_list="sdl"
 785   audio_possible_drivers="sdl"
 786   HOST_VARIANT_DIR="openbsd"
 787 ;;
 788 Darwin)
 789   bsd="yes"
 790   darwin="yes"
 791   hax="yes"
 792   hvf="yes"
 793   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 794   if [ "$cpu" = "x86_64" ] ; then
 795     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 796     LDFLAGS="-arch x86_64 $LDFLAGS"
 797   fi
 798   cocoa="yes"
 799   audio_drv_list="coreaudio"
 800   audio_possible_drivers="coreaudio sdl"
 801   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 802   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 803   # Disable attempts to use ObjectiveC features in os/object.h since they
 804   # won't work when we're compiling with gcc as a C compiler.
 805   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 806   HOST_VARIANT_DIR="darwin"
 807   supported_os="yes"
 808 ;;
 809 SunOS)
 810   solaris="yes"
 811   make="${MAKE-gmake}"
 812   install="${INSTALL-ginstall}"
 813   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 814   if test -f /usr/include/sys/soundcard.h ; then
 815     audio_drv_list="oss"
 816   fi
 817   audio_possible_drivers="oss sdl"
 818 # needed for CMSG_ macros in sys/socket.h
 819   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 820 # needed for TIOCWIN* defines in termios.h
 821   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 822   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 823   solarisnetlibs="-lsocket -lnsl -lresolv"
 824   LIBS="$solarisnetlibs $LIBS"
 825   libs_qga="$solarisnetlibs $libs_qga"
 826 ;;
 827 Haiku)
 828   haiku="yes"
 829   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 830   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 831 ;;
 832 Linux)
 833   audio_drv_list="oss"
 834   audio_possible_drivers="oss alsa sdl pa"
 835   linux="yes"
 836   linux_user="yes"
 837   kvm="yes"
 838   vhost_net="yes"
 839   vhost_scsi="yes"
 840   vhost_vsock="yes"
 841   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 842   supported_os="yes"
 843 ;;
 844 esac
 845
 846 if [ "$bsd" = "yes" ] ; then
 847   if [ "$darwin" != "yes" ] ; then
 848     bsd_user="yes"
 849   fi
 850 fi
 851
 852 : ${make=${MAKE-make}}
 853 : ${install=${INSTALL-install}}
 854 : ${python=${PYTHON-python}}
 855 : ${smbd=${SMBD-/usr/sbin/smbd}}
 856
 857 # Default objcc to clang if available, otherwise use CC
 858 if has clang; then
 859   objcc=clang
 860 else
 861   objcc="$cc"
 862 fi
 863
 864 if test "$mingw32" = "yes" ; then
 865   EXESUF=".exe"
 866   DSOSUF=".dll"
 867   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 868   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 869   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 870   # MinGW-w64 needs _POSIX defined.
 871   QEMU_CFLAGS="-D_POSIX=1 $QEMU_CFLAGS"
 872   # MinGW needs -mthreads for TLS and macro _MT.
 873   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 874   QEMU_CFLAGS="-I\$(SRC_PATH)/hosts/w32/include $QEMU_CFLAGS"
 875   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 876   write_c_skeleton;
 877   if compile_prog "" "-liberty" ; then
 878     LIBS="-liberty $LIBS"
 879   fi
 880   prefix="c:/Program Files/QEMU"
 881   mandir="\${prefix}"
 882   datadir="\${prefix}"
 883   qemu_docdir="\${prefix}"
 884   bindir="\${prefix}"
 885   sysconfdir="\${prefix}"
 886   local_statedir=
 887   confsuffix=""
 888   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 889 fi
 890
 891 werror=""
 892
 893 for opt do
 894   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 895   case "$opt" in
 896   --help|-h) show_help=yes
 897   ;;
 898   --version|-V) exec cat $source_path/VERSION
 899   ;;
 900   --prefix=*) prefix="$optarg"
 901   ;;
 902   --interp-prefix=*) interp_prefix="$optarg"
 903   ;;
 904   --source-path=*)
 905   ;;
 906   --cross-prefix=*)
 907   ;;
 908   --cc=*)
 909   ;;
 910   --host-cc=*) host_cc="$optarg"
 911   ;;
 912   --cxx=*)
 913   ;;
 914   --iasl=*) iasl="$optarg"
 915   ;;
 916   --objcc=*) objcc="$optarg"
 917   ;;
 918   --make=*) make="$optarg"
 919   ;;
 920   --install=*) install="$optarg"
 921   ;;
 922   --python=*) python="$optarg"
 923   ;;
 924   --gcov=*) gcov_tool="$optarg"
 925   ;;
 926   --smbd=*) smbd="$optarg"
 927   ;;
 928   --extra-cflags=*)
 929   ;;
 930   --extra-cxxflags=*)
 931   ;;
 932   --extra-ldflags=*)
 933   ;;
 934   --enable-debug-info)
 935   ;;
 936   --disable-debug-info)
 937   ;;
 938   --enable-modules)
 939       modules="yes"
 940   ;;
 941   --disable-modules)
 942       modules="no"
 943   ;;
 944   --cpu=*)
 945   ;;
 946   --target-list=*) target_list="$optarg"
 947   ;;
 948   --enable-trace-backends=*) trace_backends="$optarg"
 949   ;;
 950   # XXX: backwards compatibility
 951   --enable-trace-backend=*) trace_backends="$optarg"
 952   ;;
 953   --with-trace-file=*) trace_file="$optarg"
 954   ;;
 955   --enable-gprof) gprof="yes"
 956   ;;
 957   --enable-gcov) gcov="yes"
 958   ;;
 959   --static)
 960     static="yes"
 961     LDFLAGS="-static $LDFLAGS"
 962     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 963   ;;
 964   --mandir=*) mandir="$optarg"
 965   ;;
 966   --bindir=*) bindir="$optarg"
 967   ;;
 968   --libdir=*) libdir="$optarg"
 969   ;;
 970   --libexecdir=*) libexecdir="$optarg"
 971   ;;
 972   --includedir=*) includedir="$optarg"
 973   ;;
 974   --datadir=*) datadir="$optarg"
 975   ;;
 976   --with-confsuffix=*) confsuffix="$optarg"
 977   ;;
 978   --docdir=*) qemu_docdir="$optarg"
 979   ;;
 980   --sysconfdir=*) sysconfdir="$optarg"
 981   ;;
 982   --localstatedir=*) local_statedir="$optarg"
 983   ;;
 984   --firmwarepath=*) firmwarepath="$optarg"
 985   ;;
 986   --sbindir=*|--sharedstatedir=*|\
 987   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 988   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 989     # These switches are silently ignored, for compatibility with
 990     # autoconf-generated configure scripts. This allows QEMU's
 991     # configure to be used by RPM and similar macros that set
 992     # lots of directory switches by default.
 993   ;;
 994   --disable-sdl) sdl="no"
 995   ;;
 996   --enable-sdl) sdl="yes"
 997   ;;
 998   --with-sdlabi=*) sdlabi="$optarg"
 999   ;;
1000   --disable-qom-cast-debug) qom_cast_debug="no"
1001   ;;
1002   --enable-qom-cast-debug) qom_cast_debug="yes"
1003   ;;
1004   --disable-virtfs) virtfs="no"
1005   ;;
1006   --enable-virtfs) virtfs="yes"
1007   ;;
1008   --disable-mpath) mpath="no"
1009   ;;
1010   --enable-mpath) mpath="yes"
1011   ;;
1012   --disable-vnc) vnc="no"
1013   ;;
1014   --enable-vnc) vnc="yes"
1015   ;;
1016   --oss-lib=*) oss_lib="$optarg"
1017   ;;
1018   --audio-drv-list=*) audio_drv_list="$optarg"
1019   ;;
1020   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1021   ;;
1022   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1023   ;;
1024   --enable-debug-tcg) debug_tcg="yes"
1025   ;;
1026   --disable-debug-tcg) debug_tcg="no"
1027   ;;
1028   --enable-debug)
1029       # Enable debugging options that aren't excessively noisy
1030       debug_tcg="yes"
1031       debug="yes"
1032       strip_opt="no"
1033       fortify_source="no"
1034   ;;
1035   --enable-sanitizers) sanitizers="yes"
1036   ;;
1037   --disable-sanitizers) sanitizers="no"
1038   ;;
1039   --enable-sparse) sparse="yes"
1040   ;;
1041   --disable-sparse) sparse="no"
1042   ;;
1043   --disable-strip) strip_opt="no"
1044   ;;
1045   --disable-vnc-sasl) vnc_sasl="no"
1046   ;;
1047   --enable-vnc-sasl) vnc_sasl="yes"
1048   ;;
1049   --disable-vnc-jpeg) vnc_jpeg="no"
1050   ;;
1051   --enable-vnc-jpeg) vnc_jpeg="yes"
1052   ;;
1053   --disable-vnc-png) vnc_png="no"
1054   ;;
1055   --enable-vnc-png) vnc_png="yes"
1056   ;;
1057   --disable-slirp) slirp="no"
1058   ;;
1059   --disable-vde) vde="no"
1060   ;;
1061   --enable-vde) vde="yes"
1062   ;;
1063   --disable-netmap) netmap="no"
1064   ;;
1065   --enable-netmap) netmap="yes"
1066   ;;
1067   --disable-xen) xen="no"
1068   ;;
1069   --enable-xen) xen="yes"
1070   ;;
1071   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1072   ;;
1073   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1074   ;;
1075   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
1076   ;;
1077   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
1078   ;;
1079   --disable-brlapi) brlapi="no"
1080   ;;
1081   --enable-brlapi) brlapi="yes"
1082   ;;
1083   --disable-bluez) bluez="no"
1084   ;;
1085   --enable-bluez) bluez="yes"
1086   ;;
1087   --disable-kvm) kvm="no"
1088   ;;
1089   --enable-kvm) kvm="yes"
1090   ;;
1091   --disable-hax) hax="no"
1092   ;;
1093   --enable-hax) hax="yes"
1094   ;;
1095   --disable-hvf) hvf="no"
1096   ;;
1097   --enable-hvf) hvf="yes"
1098   ;;
1099   --disable-whpx) whpx="no"
1100   ;;
1101   --enable-whpx) whpx="yes"
1102   ;;
1103   --disable-tcg-interpreter) tcg_interpreter="no"
1104   ;;
1105   --enable-tcg-interpreter) tcg_interpreter="yes"
1106   ;;
1107   --disable-cap-ng)  cap_ng="no"
1108   ;;
1109   --enable-cap-ng) cap_ng="yes"
1110   ;;
1111   --disable-tcg) tcg="no"
1112   ;;
1113   --enable-tcg) tcg="yes"
1114   ;;
1115   --disable-malloc-trim) malloc_trim="no"
1116   ;;
1117   --enable-malloc-trim) malloc_trim="yes"
1118   ;;
1119   --disable-spice) spice="no"
1120   ;;
1121   --enable-spice) spice="yes"
1122   ;;
1123   --disable-libiscsi) libiscsi="no"
1124   ;;
1125   --enable-libiscsi) libiscsi="yes"
1126   ;;
1127   --disable-libnfs) libnfs="no"
1128   ;;
1129   --enable-libnfs) libnfs="yes"
1130   ;;
1131   --enable-profiler) profiler="yes"
1132   ;;
1133   --disable-cocoa) cocoa="no"
1134   ;;
1135   --enable-cocoa)
1136       cocoa="yes" ;
1137       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1138   ;;
1139   --disable-system) softmmu="no"
1140   ;;
1141   --enable-system) softmmu="yes"
1142   ;;
1143   --disable-user)
1144       linux_user="no" ;
1145       bsd_user="no" ;
1146   ;;
1147   --enable-user) ;;
1148   --disable-linux-user) linux_user="no"
1149   ;;
1150   --enable-linux-user) linux_user="yes"
1151   ;;
1152   --disable-bsd-user) bsd_user="no"
1153   ;;
1154   --enable-bsd-user) bsd_user="yes"
1155   ;;
1156   --enable-pie) pie="yes"
1157   ;;
1158   --disable-pie) pie="no"
1159   ;;
1160   --enable-werror) werror="yes"
1161   ;;
1162   --disable-werror) werror="no"
1163   ;;
1164   --enable-stack-protector) stack_protector="yes"
1165   ;;
1166   --disable-stack-protector) stack_protector="no"
1167   ;;
1168   --disable-curses) curses="no"
1169   ;;
1170   --enable-curses) curses="yes"
1171   ;;
1172   --disable-curl) curl="no"
1173   ;;
1174   --enable-curl) curl="yes"
1175   ;;
1176   --disable-fdt) fdt="no"
1177   ;;
1178   --enable-fdt) fdt="yes"
1179   ;;
1180   --disable-linux-aio) linux_aio="no"
1181   ;;
1182   --enable-linux-aio) linux_aio="yes"
1183   ;;
1184   --disable-attr) attr="no"
1185   ;;
1186   --enable-attr) attr="yes"
1187   ;;
1188   --disable-blobs) blobs="no"
1189   ;;
1190   --with-pkgversion=*) pkgversion=" ($optarg)"
1191   ;;
1192   --with-coroutine=*) coroutine="$optarg"
1193   ;;
1194   --disable-coroutine-pool) coroutine_pool="no"
1195   ;;
1196   --enable-coroutine-pool) coroutine_pool="yes"
1197   ;;
1198   --enable-debug-stack-usage) debug_stack_usage="yes"
1199   ;;
1200   --enable-crypto-afalg) crypto_afalg="yes"
1201   ;;
1202   --disable-crypto-afalg) crypto_afalg="no"
1203   ;;
1204   --disable-docs) docs="no"
1205   ;;
1206   --enable-docs) docs="yes"
1207   ;;
1208   --disable-vhost-net) vhost_net="no"
1209   ;;
1210   --enable-vhost-net) vhost_net="yes"
1211   ;;
1212   --disable-vhost-scsi) vhost_scsi="no"
1213   ;;
1214   --enable-vhost-scsi) vhost_scsi="yes"
1215   ;;
1216   --disable-vhost-vsock) vhost_vsock="no"
1217   ;;
1218   --enable-vhost-vsock) vhost_vsock="yes"
1219   ;;
1220   --disable-opengl) opengl="no"
1221   ;;
1222   --enable-opengl) opengl="yes"
1223   ;;
1224   --disable-rbd) rbd="no"
1225   ;;
1226   --enable-rbd) rbd="yes"
1227   ;;
1228   --disable-xfsctl) xfs="no"
1229   ;;
1230   --enable-xfsctl) xfs="yes"
1231   ;;
1232   --disable-smartcard) smartcard="no"
1233   ;;
1234   --enable-smartcard) smartcard="yes"
1235   ;;
1236   --disable-libusb) libusb="no"
1237   ;;
1238   --enable-libusb) libusb="yes"
1239   ;;
1240   --disable-usb-redir) usb_redir="no"
1241   ;;
1242   --enable-usb-redir) usb_redir="yes"
1243   ;;
1244   --disable-zlib-test) zlib="no"
1245   ;;
1246   --disable-lzo) lzo="no"
1247   ;;
1248   --enable-lzo) lzo="yes"
1249   ;;
1250   --disable-snappy) snappy="no"
1251   ;;
1252   --enable-snappy) snappy="yes"
1253   ;;
1254   --disable-bzip2) bzip2="no"
1255   ;;
1256   --enable-bzip2) bzip2="yes"
1257   ;;
1258   --enable-guest-agent) guest_agent="yes"
1259   ;;
1260   --disable-guest-agent) guest_agent="no"
1261   ;;
1262   --enable-guest-agent-msi) guest_agent_msi="yes"
1263   ;;
1264   --disable-guest-agent-msi) guest_agent_msi="no"
1265   ;;
1266   --with-vss-sdk) vss_win32_sdk=""
1267   ;;
1268   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1269   ;;
1270   --without-vss-sdk) vss_win32_sdk="no"
1271   ;;
1272   --with-win-sdk) win_sdk=""
1273   ;;
1274   --with-win-sdk=*) win_sdk="$optarg"
1275   ;;
1276   --without-win-sdk) win_sdk="no"
1277   ;;
1278   --enable-tools) want_tools="yes"
1279   ;;
1280   --disable-tools) want_tools="no"
1281   ;;
1282   --enable-seccomp) seccomp="yes"
1283   ;;
1284   --disable-seccomp) seccomp="no"
1285   ;;
1286   --disable-glusterfs) glusterfs="no"
1287   ;;
1288   --enable-glusterfs) glusterfs="yes"
1289   ;;
1290   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1291       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1292   ;;
1293   --enable-vhdx|--disable-vhdx)
1294       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1295   ;;
1296   --enable-uuid|--disable-uuid)
1297       echo "$0: $opt is obsolete, UUID support is always built" >&2
1298   ;;
1299   --disable-gtk) gtk="no"
1300   ;;
1301   --enable-gtk) gtk="yes"
1302   ;;
1303   --tls-priority=*) tls_priority="$optarg"
1304   ;;
1305   --disable-gnutls) gnutls="no"
1306   ;;
1307   --enable-gnutls) gnutls="yes"
1308   ;;
1309   --disable-nettle) nettle="no"
1310   ;;
1311   --enable-nettle) nettle="yes"
1312   ;;
1313   --disable-gcrypt) gcrypt="no"
1314   ;;
1315   --enable-gcrypt) gcrypt="yes"
1316   ;;
1317   --enable-rdma) rdma="yes"
1318   ;;
1319   --disable-rdma) rdma="no"
1320   ;;
1321   --with-gtkabi=*) gtkabi="$optarg"
1322   ;;
1323   --disable-vte) vte="no"
1324   ;;
1325   --enable-vte) vte="yes"
1326   ;;
1327   --disable-virglrenderer) virglrenderer="no"
1328   ;;
1329   --enable-virglrenderer) virglrenderer="yes"
1330   ;;
1331   --disable-tpm) tpm="no"
1332   ;;
1333   --enable-tpm) tpm="yes"
1334   ;;
1335   --disable-libssh2) libssh2="no"
1336   ;;
1337   --enable-libssh2) libssh2="yes"
1338   ;;
1339   --disable-live-block-migration) live_block_migration="no"
1340   ;;
1341   --enable-live-block-migration) live_block_migration="yes"
1342   ;;
1343   --disable-numa) numa="no"
1344   ;;
1345   --enable-numa) numa="yes"
1346   ;;
1347   --disable-libxml2) libxml2="no"
1348   ;;
1349   --enable-libxml2) libxml2="yes"
1350   ;;
1351   --disable-tcmalloc) tcmalloc="no"
1352   ;;
1353   --enable-tcmalloc) tcmalloc="yes"
1354   ;;
1355   --disable-jemalloc) jemalloc="no"
1356   ;;
1357   --enable-jemalloc) jemalloc="yes"
1358   ;;
1359   --disable-replication) replication="no"
1360   ;;
1361   --enable-replication) replication="yes"
1362   ;;
1363   --disable-vxhs) vxhs="no"
1364   ;;
1365   --enable-vxhs) vxhs="yes"
1366   ;;
1367   --disable-vhost-user) vhost_user="no"
1368   ;;
1369   --enable-vhost-user)
1370       vhost_user="yes"
1371       if test "$mingw32" = "yes"; then
1372           error_exit "vhost-user isn't available on win32"
1373       fi
1374   ;;
1375   --disable-capstone) capstone="no"
1376   ;;
1377   --enable-capstone) capstone="yes"
1378   ;;
1379   --enable-capstone=git) capstone="git"
1380   ;;
1381   --enable-capstone=system) capstone="system"
1382   ;;
1383   --with-git=*) git="$optarg"
1384   ;;
1385   --enable-git-update) git_update=yes
1386   ;;
1387   --disable-git-update) git_update=no
1388   ;;
1389   *)
1390       echo "ERROR: unknown option $opt"
1391       echo "Try '$0 --help' for more information"
1392       exit 1
1393   ;;
1394   esac
1395 done
1396
1397 if test "$vhost_user" = ""; then
1398     if test "$mingw32" = "yes"; then
1399         vhost_user="no"
1400     else
1401         vhost_user="yes"
1402     fi
1403 fi
1404
1405 case "$cpu" in
1406     ppc)
1407            CPU_CFLAGS="-m32"
1408            LDFLAGS="-m32 $LDFLAGS"
1409            ;;
1410     ppc64)
1411            CPU_CFLAGS="-m64"
1412            LDFLAGS="-m64 $LDFLAGS"
1413            ;;
1414     sparc)
1415            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1416            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1417            ;;
1418     sparc64)
1419            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1420            LDFLAGS="-m64 $LDFLAGS"
1421            ;;
1422     s390)
1423            CPU_CFLAGS="-m31"
1424            LDFLAGS="-m31 $LDFLAGS"
1425            ;;
1426     s390x)
1427            CPU_CFLAGS="-m64"
1428            LDFLAGS="-m64 $LDFLAGS"
1429            ;;
1430     i386)
1431            CPU_CFLAGS="-m32"
1432            LDFLAGS="-m32 $LDFLAGS"
1433            cc_i386='$(CC) -m32'
1434            ;;
1435     x86_64)
1436            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1437            # If we truly care, we should simply detect this case at
1438            # runtime and generate the fallback to serial emulation.
1439            CPU_CFLAGS="-m64 -mcx16"
1440            LDFLAGS="-m64 $LDFLAGS"
1441            cc_i386='$(CC) -m32'
1442            ;;
1443     x32)
1444            CPU_CFLAGS="-mx32"
1445            LDFLAGS="-mx32 $LDFLAGS"
1446            cc_i386='$(CC) -m32'
1447            ;;
1448     # No special flags required for other host CPUs
1449 esac
1450
1451 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1452
1453 # For user-mode emulation the host arch has to be one we explicitly
1454 # support, even if we're using TCI.
1455 if [ "$ARCH" = "unknown" ]; then
1456   bsd_user="no"
1457   linux_user="no"
1458 fi
1459
1460 default_target_list=""
1461
1462 mak_wilds=""
1463
1464 if [ "$softmmu" = "yes" ]; then
1465     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1466 fi
1467 if [ "$linux_user" = "yes" ]; then
1468     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1469 fi
1470 if [ "$bsd_user" = "yes" ]; then
1471     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1472 fi
1473
1474 for config in $mak_wilds; do
1475     default_target_list="${default_target_list} $(basename "$config" .mak)"
1476 done
1477
1478 # Enumerate public trace backends for --help output
1479 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1480
1481 if test x"$show_help" = x"yes" ; then
1482 cat << EOF
1483
1484 Usage: configure [options]
1485 Options: [defaults in brackets after descriptions]
1486
1487 Standard options:
1488   --help                   print this message
1489   --prefix=PREFIX          install in PREFIX [$prefix]
1490   --interp-prefix=PREFIX   where to find shared libraries, etc.
1491                            use %M for cpu name [$interp_prefix]
1492   --target-list=LIST       set target list (default: build everything)
1493 $(echo Available targets: $default_target_list | \
1494   fold -s -w 53 | sed -e 's/^/                           /')
1495
1496 Advanced options (experts only):
1497   --source-path=PATH       path of source code [$source_path]
1498   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1499   --cc=CC                  use C compiler CC [$cc]
1500   --iasl=IASL              use ACPI compiler IASL [$iasl]
1501   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1502                            build time
1503   --cxx=CXX                use C++ compiler CXX [$cxx]
1504   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1505   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1506   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1507   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1508   --make=MAKE              use specified make [$make]
1509   --install=INSTALL        use specified install [$install]
1510   --python=PYTHON          use specified python [$python]
1511   --smbd=SMBD              use specified smbd [$smbd]
1512   --static                 enable static build [$static]
1513   --mandir=PATH            install man pages in PATH
1514   --datadir=PATH           install firmware in PATH$confsuffix
1515   --docdir=PATH            install documentation in PATH$confsuffix
1516   --bindir=PATH            install binaries in PATH
1517   --libdir=PATH            install libraries in PATH
1518   --sysconfdir=PATH        install config in PATH$confsuffix
1519   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1520   --firmwarepath=PATH      search PATH for firmware files
1521   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1522   --enable-debug           enable common debug build options
1523   --enable-sanitizers      enable default sanitizers
1524   --disable-strip          disable stripping binaries
1525   --disable-werror         disable compilation abort on warning
1526   --disable-stack-protector disable compiler-provided stack protection
1527   --audio-drv-list=LIST    set audio drivers list:
1528                            Available drivers: $audio_possible_drivers
1529   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1530   --block-drv-rw-whitelist=L
1531                            set block driver read-write whitelist
1532                            (affects only QEMU, not qemu-img)
1533   --block-drv-ro-whitelist=L
1534                            set block driver read-only whitelist
1535                            (affects only QEMU, not qemu-img)
1536   --enable-trace-backends=B Set trace backend
1537                            Available backends: $trace_backend_list
1538   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1539                            Default:trace-<pid>
1540   --disable-slirp          disable SLIRP userspace network connectivity
1541   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1542   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1543   --oss-lib                path to OSS library
1544   --cpu=CPU                Build for host CPU [$cpu]
1545   --with-coroutine=BACKEND coroutine backend. Supported options:
1546                            ucontext, sigaltstack, windows
1547   --enable-gcov            enable test coverage analysis with gcov
1548   --gcov=GCOV              use specified gcov [$gcov_tool]
1549   --disable-blobs          disable installing provided firmware blobs
1550   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1551   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1552   --tls-priority           default TLS protocol/cipher priority string
1553   --enable-gprof           QEMU profiling with gprof
1554   --enable-profiler        profiler support
1555   --enable-xen-pv-domain-build
1556                            xen pv domain builder
1557   --enable-debug-stack-usage
1558                            track the maximum stack usage of stacks created by qemu_alloc_stack
1559
1560 Optional features, enabled with --enable-FEATURE and
1561 disabled with --disable-FEATURE, default is enabled if available:
1562
1563   system          all system emulation targets
1564   user            supported user emulation targets
1565   linux-user      all linux usermode emulation targets
1566   bsd-user        all BSD usermode emulation targets
1567   docs            build documentation
1568   guest-agent     build the QEMU Guest Agent
1569   guest-agent-msi build guest agent Windows MSI installation package
1570   pie             Position Independent Executables
1571   modules         modules support
1572   debug-tcg       TCG debugging (default is disabled)
1573   debug-info      debugging information
1574   sparse          sparse checker
1575
1576   gnutls          GNUTLS cryptography support
1577   nettle          nettle cryptography support
1578   gcrypt          libgcrypt cryptography support
1579   sdl             SDL UI
1580   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1581   gtk             gtk UI
1582   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1583   vte             vte support for the gtk UI
1584   curses          curses UI
1585   vnc             VNC UI support
1586   vnc-sasl        SASL encryption for VNC server
1587   vnc-jpeg        JPEG lossy compression for VNC server
1588   vnc-png         PNG compression for VNC server
1589   cocoa           Cocoa UI (Mac OS X only)
1590   virtfs          VirtFS
1591   mpath           Multipath persistent reservation passthrough
1592   xen             xen backend driver support
1593   xen-pci-passthrough
1594   brlapi          BrlAPI (Braile)
1595   curl            curl connectivity
1596   fdt             fdt device tree
1597   bluez           bluez stack connectivity
1598   kvm             KVM acceleration support
1599   hax             HAX acceleration support
1600   hvf             Hypervisor.framework acceleration support
1601   whpx            Windows Hypervisor Platform acceleration support
1602   rdma            RDMA-based migration support
1603   vde             support for vde network
1604   netmap          support for netmap network
1605   linux-aio       Linux AIO support
1606   cap-ng          libcap-ng support
1607   attr            attr and xattr support
1608   vhost-net       vhost-net acceleration support
1609   spice           spice
1610   rbd             rados block device (rbd)
1611   libiscsi        iscsi support
1612   libnfs          nfs support
1613   smartcard       smartcard support (libcacard)
1614   libusb          libusb (for usb passthrough)
1615   live-block-migration   Block migration in the main migration stream
1616   usb-redir       usb network redirection support
1617   lzo             support of lzo compression library
1618   snappy          support of snappy compression library
1619   bzip2           support of bzip2 compression library
1620                   (for reading bzip2-compressed dmg images)
1621   seccomp         seccomp support
1622   coroutine-pool  coroutine freelist (better performance)
1623   glusterfs       GlusterFS backend
1624   tpm             TPM support
1625   libssh2         ssh block device support
1626   numa            libnuma support
1627   libxml2         for Parallels image format
1628   tcmalloc        tcmalloc support
1629   jemalloc        jemalloc support
1630   replication     replication support
1631   vhost-vsock     virtio sockets device support
1632   opengl          opengl support
1633   virglrenderer   virgl rendering support
1634   xfsctl          xfsctl support
1635   qom-cast-debug  cast debugging support
1636   tools           build qemu-io, qemu-nbd and qemu-image tools
1637   vxhs            Veritas HyperScale vDisk backend support
1638   crypto-afalg    Linux AF_ALG crypto backend driver
1639   vhost-user      vhost-user support
1640   capstone        capstone disassembler support
1641
1642 NOTE: The object files are built at the place where configure is launched
1643 EOF
1644 exit 0
1645 fi
1646
1647 if ! has $python; then
1648   error_exit "Python not found. Use --python=/path/to/python"
1649 fi
1650
1651 # Note that if the Python conditional here evaluates True we will exit
1652 # with status 1 which is a shell 'false' value.
1653 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6))'; then
1654   error_exit "Cannot use '$python', Python 2 >= 2.6 or Python 3 is required." \
1655       "Use --python=/path/to/python to specify a supported Python."
1656 fi
1657
1658 # Suppress writing compiled files
1659 python="$python -B"
1660
1661 # Check that the C compiler works. Doing this here before testing
1662 # the host CPU ensures that we had a valid CC to autodetect the
1663 # $cpu var (and we should bail right here if that's not the case).
1664 # It also allows the help message to be printed without a CC.
1665 write_c_skeleton;
1666 if compile_object ; then
1667   : C compiler works ok
1668 else
1669     error_exit "\"$cc\" either does not exist or does not work"
1670 fi
1671 if ! compile_prog ; then
1672     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1673 fi
1674
1675 # Now we have handled --enable-tcg-interpreter and know we're not just
1676 # printing the help message, bail out if the host CPU isn't supported.
1677 if test "$ARCH" = "unknown"; then
1678     if test "$tcg_interpreter" = "yes" ; then
1679         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1680     else
1681         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1682     fi
1683 fi
1684
1685 # Consult white-list to determine whether to enable werror
1686 # by default.  Only enable by default for git builds
1687 if test -z "$werror" ; then
1688     if test -d "$source_path/.git" -a \
1689         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1690         werror="yes"
1691     else
1692         werror="no"
1693     fi
1694 fi
1695
1696 if test "$bogus_os" = "yes"; then
1697     # Now that we know that we're not printing the help and that
1698     # the compiler works (so the results of the check_defines we used
1699     # to identify the OS are reliable), if we didn't recognize the
1700     # host OS we should stop now.
1701     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1702 fi
1703
1704 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1705 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1706 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1707 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1708 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1709 gcc_flags="-Wno-string-plus-int $gcc_flags"
1710 # Note that we do not add -Werror to gcc_flags here, because that would
1711 # enable it for all configure tests. If a configure test failed due
1712 # to -Werror this would just silently disable some features,
1713 # so it's too error prone.
1714
1715 cc_has_warning_flag() {
1716     write_c_skeleton;
1717
1718     # Use the positive sense of the flag when testing for -Wno-wombat
1719     # support (gcc will happily accept the -Wno- form of unknown
1720     # warning options).
1721     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1722     compile_prog "-Werror $optflag" ""
1723 }
1724
1725 for flag in $gcc_flags; do
1726     if cc_has_warning_flag $flag ; then
1727         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1728     fi
1729 done
1730
1731 if test "$mingw32" = "yes"; then
1732   stack_protector="no"
1733 fi
1734 if test "$stack_protector" != "no"; then
1735   cat > $TMPC << EOF
1736 int main(int argc, char *argv[])
1737 {
1738     char arr[64], *p = arr, *c = argv[0];
1739     while (*c) {
1740         *p++ = *c++;
1741     }
1742     return 0;
1743 }
1744 EOF
1745   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1746   sp_on=0
1747   for flag in $gcc_flags; do
1748     # We need to check both a compile and a link, since some compiler
1749     # setups fail only on a .c->.o compile and some only at link time
1750     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1751        compile_prog "-Werror $flag" ""; then
1752       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1753       sp_on=1
1754       break
1755     fi
1756   done
1757   if test "$stack_protector" = yes; then
1758     if test $sp_on = 0; then
1759       error_exit "Stack protector not supported"
1760     fi
1761   fi
1762 fi
1763
1764 # Disable -Wmissing-braces on older compilers that warn even for
1765 # the "universal" C zero initializer {0}.
1766 cat > $TMPC << EOF
1767 struct {
1768   int a[2];
1769 } x = {0};
1770 EOF
1771 if compile_object "-Werror" "" ; then
1772   :
1773 else
1774   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1775 fi
1776
1777 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1778 # large functions that use global variables.  The bug is in all releases of
1779 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1780 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1781 cat > $TMPC << EOF
1782 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1783 int main(void) { return 0; }
1784 #else
1785 #error No bug in this compiler.
1786 #endif
1787 EOF
1788 if compile_prog "-Werror -fno-gcse" "" ; then
1789   TRANSLATE_OPT_CFLAGS=-fno-gcse
1790 fi
1791
1792 if test "$static" = "yes" ; then
1793   if test "$modules" = "yes" ; then
1794     error_exit "static and modules are mutually incompatible"
1795   fi
1796   if test "$pie" = "yes" ; then
1797     error_exit "static and pie are mutually incompatible"
1798   else
1799     pie="no"
1800   fi
1801 fi
1802
1803 # Unconditional check for compiler __thread support
1804   cat > $TMPC << EOF
1805 static __thread int tls_var;
1806 int main(void) { return tls_var; }
1807 EOF
1808
1809 if ! compile_prog "-Werror" "" ; then
1810     error_exit "Your compiler does not support the __thread specifier for " \
1811         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1812 fi
1813
1814 if test "$pie" = ""; then
1815   case "$cpu-$targetos" in
1816     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1817       ;;
1818     *)
1819       pie="no"
1820       ;;
1821   esac
1822 fi
1823
1824 if test "$pie" != "no" ; then
1825   cat > $TMPC << EOF
1826
1827 #ifdef __linux__
1828 #  define THREAD __thread
1829 #else
1830 #  define THREAD
1831 #endif
1832
1833 static THREAD int tls_var;
1834
1835 int main(void) { return tls_var; }
1836
1837 EOF
1838   if compile_prog "-fPIE -DPIE" "-pie"; then
1839     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1840     LDFLAGS="-pie $LDFLAGS"
1841     pie="yes"
1842     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1843       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1844     fi
1845   else
1846     if test "$pie" = "yes"; then
1847       error_exit "PIE not available due to missing toolchain support"
1848     else
1849       echo "Disabling PIE due to missing toolchain support"
1850       pie="no"
1851     fi
1852   fi
1853
1854   if compile_prog "-Werror -fno-pie" "-nopie"; then
1855     CFLAGS_NOPIE="-fno-pie"
1856     LDFLAGS_NOPIE="-nopie"
1857   fi
1858 fi
1859
1860 ##########################################
1861 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1862 # use i686 as default anyway, but for those that don't, an explicit
1863 # specification is necessary
1864
1865 if test "$cpu" = "i386"; then
1866   cat > $TMPC << EOF
1867 static int sfaa(int *ptr)
1868 {
1869   return __sync_fetch_and_and(ptr, 0);
1870 }
1871
1872 int main(void)
1873 {
1874   int val = 42;
1875   val = __sync_val_compare_and_swap(&val, 0, 1);
1876   sfaa(&val);
1877   return val;
1878 }
1879 EOF
1880   if ! compile_prog "" "" ; then
1881     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1882   fi
1883 fi
1884
1885 #########################################
1886 # Solaris specific configure tool chain decisions
1887
1888 if test "$solaris" = "yes" ; then
1889   if has $install; then
1890     :
1891   else
1892     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1893         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1894         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1895   fi
1896   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1897     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1898         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1899         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1900   fi
1901   if has ar; then
1902     :
1903   else
1904     if test -f /usr/ccs/bin/ar ; then
1905       error_exit "No path includes ar" \
1906           "Add /usr/ccs/bin to your path and rerun configure"
1907     fi
1908     error_exit "No path includes ar"
1909   fi
1910 fi
1911
1912 if test -z "${target_list+xxx}" ; then
1913     for target in $default_target_list; do
1914         supported_target $target 2>/dev/null && \
1915             target_list="$target_list $target"
1916     done
1917     target_list="${target_list# }"
1918 else
1919     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1920     for target in $target_list; do
1921         # Check that we recognised the target name; this allows a more
1922         # friendly error message than if we let it fall through.
1923         case " $default_target_list " in
1924             *" $target "*)
1925                 ;;
1926             *)
1927                 error_exit "Unknown target name '$target'"
1928                 ;;
1929         esac
1930         supported_target $target || exit 1
1931     done
1932 fi
1933
1934 # see if system emulation was really requested
1935 case " $target_list " in
1936   *"-softmmu "*) softmmu=yes
1937   ;;
1938   *) softmmu=no
1939   ;;
1940 esac
1941
1942 feature_not_found() {
1943   feature=$1
1944   remedy=$2
1945
1946   error_exit "User requested feature $feature" \
1947       "configure was not able to find it." \
1948       "$remedy"
1949 }
1950
1951 # ---
1952 # big/little endian test
1953 cat > $TMPC << EOF
1954 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1955 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1956 extern int foo(short *, short *);
1957 int main(int argc, char *argv[]) {
1958     return foo(big_endian, little_endian);
1959 }
1960 EOF
1961
1962 if compile_object ; then
1963     if strings -a $TMPO | grep -q BiGeNdIaN ; then
1964         bigendian="yes"
1965     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
1966         bigendian="no"
1967     else
1968         echo big/little test failed
1969     fi
1970 else
1971     echo big/little test failed
1972 fi
1973
1974 ##########################################
1975 # cocoa implies not SDL or GTK
1976 # (the cocoa UI code currently assumes it is always the active UI
1977 # and doesn't interact well with other UI frontend code)
1978 if test "$cocoa" = "yes"; then
1979     if test "$sdl" = "yes"; then
1980         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1981     fi
1982     if test "$gtk" = "yes"; then
1983         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1984     fi
1985     gtk=no
1986     sdl=no
1987 fi
1988
1989 # Some versions of Mac OS X incorrectly define SIZE_MAX
1990 cat > $TMPC << EOF
1991 #include <stdint.h>
1992 #include <stdio.h>
1993 int main(int argc, char *argv[]) {
1994     return printf("%zu", SIZE_MAX);
1995 }
1996 EOF
1997 have_broken_size_max=no
1998 if ! compile_object -Werror ; then
1999     have_broken_size_max=yes
2000 fi
2001
2002 ##########################################
2003 # L2TPV3 probe
2004
2005 cat > $TMPC <<EOF
2006 #include <sys/socket.h>
2007 #include <linux/ip.h>
2008 int main(void) { return sizeof(struct mmsghdr); }
2009 EOF
2010 if compile_prog "" "" ; then
2011   l2tpv3=yes
2012 else
2013   l2tpv3=no
2014 fi
2015
2016 ##########################################
2017 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2018
2019 if test "$mingw32" = "yes"; then
2020     # Some versions of MinGW / Mingw-w64 lack localtime_r
2021     # and gmtime_r entirely.
2022     #
2023     # Some versions of Mingw-w64 define a macro for
2024     # localtime_r/gmtime_r.
2025     #
2026     # Some versions of Mingw-w64 will define functions
2027     # for localtime_r/gmtime_r, but only if you have
2028     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2029     # though, unistd.h and pthread.h both define
2030     # that for you.
2031     #
2032     # So this #undef localtime_r and #include <unistd.h>
2033     # are not in fact redundant.
2034 cat > $TMPC << EOF
2035 #include <unistd.h>
2036 #include <time.h>
2037 #undef localtime_r
2038 int main(void) { localtime_r(NULL, NULL); return 0; }
2039 EOF
2040     if compile_prog "" "" ; then
2041         localtime_r="yes"
2042     else
2043         localtime_r="no"
2044     fi
2045 fi
2046
2047 ##########################################
2048 # pkg-config probe
2049
2050 if ! has "$pkg_config_exe"; then
2051   error_exit "pkg-config binary '$pkg_config_exe' not found"
2052 fi
2053
2054 ##########################################
2055 # NPTL probe
2056
2057 if test "$linux_user" = "yes"; then
2058   cat > $TMPC <<EOF
2059 #include <sched.h>
2060 #include <linux/futex.h>
2061 int main(void) {
2062 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2063 #error bork
2064 #endif
2065   return 0;
2066 }
2067 EOF
2068   if ! compile_object ; then
2069     feature_not_found "nptl" "Install glibc and linux kernel headers."
2070   fi
2071 fi
2072
2073 ##########################################
2074 # lzo check
2075
2076 if test "$lzo" != "no" ; then
2077     cat > $TMPC << EOF
2078 #include <lzo/lzo1x.h>
2079 int main(void) { lzo_version(); return 0; }
2080 EOF
2081     if compile_prog "" "-llzo2" ; then
2082         libs_softmmu="$libs_softmmu -llzo2"
2083         lzo="yes"
2084     else
2085         if test "$lzo" = "yes"; then
2086             feature_not_found "liblzo2" "Install liblzo2 devel"
2087         fi
2088         lzo="no"
2089     fi
2090 fi
2091
2092 ##########################################
2093 # snappy check
2094
2095 if test "$snappy" != "no" ; then
2096     cat > $TMPC << EOF
2097 #include <snappy-c.h>
2098 int main(void) { snappy_max_compressed_length(4096); return 0; }
2099 EOF
2100     if compile_prog "" "-lsnappy" ; then
2101         libs_softmmu="$libs_softmmu -lsnappy"
2102         snappy="yes"
2103     else
2104         if test "$snappy" = "yes"; then
2105             feature_not_found "libsnappy" "Install libsnappy devel"
2106         fi
2107         snappy="no"
2108     fi
2109 fi
2110
2111 ##########################################
2112 # bzip2 check
2113
2114 if test "$bzip2" != "no" ; then
2115     cat > $TMPC << EOF
2116 #include <bzlib.h>
2117 int main(void) { BZ2_bzlibVersion(); return 0; }
2118 EOF
2119     if compile_prog "" "-lbz2" ; then
2120         bzip2="yes"
2121     else
2122         if test "$bzip2" = "yes"; then
2123             feature_not_found "libbzip2" "Install libbzip2 devel"
2124         fi
2125         bzip2="no"
2126     fi
2127 fi
2128
2129 ##########################################
2130 # libseccomp check
2131
2132 if test "$seccomp" != "no" ; then
2133     case "$cpu" in
2134     i386|x86_64)
2135         libseccomp_minver="2.1.0"
2136         ;;
2137     mips)
2138         libseccomp_minver="2.2.0"
2139         ;;
2140     arm|aarch64)
2141         libseccomp_minver="2.2.3"
2142         ;;
2143     ppc|ppc64|s390x)
2144         libseccomp_minver="2.3.0"
2145         ;;
2146     *)
2147         libseccomp_minver=""
2148         ;;
2149     esac
2150
2151     if test "$libseccomp_minver" != "" &&
2152        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2153         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2154         seccomp_libs="$($pkg_config --libs libseccomp)"
2155         seccomp="yes"
2156     else
2157         if test "$seccomp" = "yes" ; then
2158             if test "$libseccomp_minver" != "" ; then
2159                 feature_not_found "libseccomp" \
2160                     "Install libseccomp devel >= $libseccomp_minver"
2161             else
2162                 feature_not_found "libseccomp" \
2163                     "libseccomp is not supported for host cpu $cpu"
2164             fi
2165         fi
2166         seccomp="no"
2167     fi
2168 fi
2169 ##########################################
2170 # xen probe
2171
2172 if test "$xen" != "no" ; then
2173   # Check whether Xen library path is specified via --extra-ldflags to avoid
2174   # overriding this setting with pkg-config output. If not, try pkg-config
2175   # to obtain all needed flags.
2176
2177   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2178      $pkg_config --exists xencontrol ; then
2179     xen_ctrl_version="$(printf '%d%02d%02d' \
2180       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2181     xen=yes
2182     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2183     xen_pc="$xen_pc xenevtchn xendevicemodel"
2184     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2185     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2186     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2187   else
2188
2189     xen_libs="-lxenstore -lxenctrl -lxenguest"
2190     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2191
2192     # First we test whether Xen headers and libraries are available.
2193     # If no, we are done and there is no Xen support.
2194     # If yes, more tests are run to detect the Xen version.
2195
2196     # Xen (any)
2197     cat > $TMPC <<EOF
2198 #include <xenctrl.h>
2199 int main(void) {
2200   return 0;
2201 }
2202 EOF
2203     if ! compile_prog "" "$xen_libs" ; then
2204       # Xen not found
2205       if test "$xen" = "yes" ; then
2206         feature_not_found "xen" "Install xen devel"
2207       fi
2208       xen=no
2209
2210     # Xen unstable
2211     elif
2212         cat > $TMPC <<EOF &&
2213 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2214 #include <xenforeignmemory.h>
2215 int main(void) {
2216   xenforeignmemory_handle *xfmem;
2217
2218   xfmem = xenforeignmemory_open(0, 0);
2219   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2220
2221   return 0;
2222 }
2223 EOF
2224         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2225       then
2226       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2227       xen_ctrl_version=41000
2228       xen=yes
2229     elif
2230         cat > $TMPC <<EOF &&
2231 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2232 #define __XEN_TOOLS__
2233 #include <xendevicemodel.h>
2234 int main(void) {
2235   xendevicemodel_handle *xd;
2236
2237   xd = xendevicemodel_open(0, 0);
2238   xendevicemodel_close(xd);
2239
2240   return 0;
2241 }
2242 EOF
2243         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2244       then
2245       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2246       xen_ctrl_version=40900
2247       xen=yes
2248     elif
2249         cat > $TMPC <<EOF &&
2250 /*
2251  * If we have stable libs the we don't want the libxc compat
2252  * layers, regardless of what CFLAGS we may have been given.
2253  *
2254  * Also, check if xengnttab_grant_copy_segment_t is defined and
2255  * grant copy operation is implemented.
2256  */
2257 #undef XC_WANT_COMPAT_EVTCHN_API
2258 #undef XC_WANT_COMPAT_GNTTAB_API
2259 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2260 #include <xenctrl.h>
2261 #include <xenstore.h>
2262 #include <xenevtchn.h>
2263 #include <xengnttab.h>
2264 #include <xenforeignmemory.h>
2265 #include <stdint.h>
2266 #include <xen/hvm/hvm_info_table.h>
2267 #if !defined(HVM_MAX_VCPUS)
2268 # error HVM_MAX_VCPUS not defined
2269 #endif
2270 int main(void) {
2271   xc_interface *xc = NULL;
2272   xenforeignmemory_handle *xfmem;
2273   xenevtchn_handle *xe;
2274   xengnttab_handle *xg;
2275   xen_domain_handle_t handle;
2276   xengnttab_grant_copy_segment_t* seg = NULL;
2277
2278   xs_daemon_open();
2279
2280   xc = xc_interface_open(0, 0, 0);
2281   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2282   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2283   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2284   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2285   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2286
2287   xfmem = xenforeignmemory_open(0, 0);
2288   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2289
2290   xe = xenevtchn_open(0, 0);
2291   xenevtchn_fd(xe);
2292
2293   xg = xengnttab_open(0, 0);
2294   xengnttab_grant_copy(xg, 0, seg);
2295
2296   return 0;
2297 }
2298 EOF
2299         compile_prog "" "$xen_libs $xen_stable_libs"
2300       then
2301       xen_ctrl_version=40800
2302       xen=yes
2303     elif
2304         cat > $TMPC <<EOF &&
2305 /*
2306  * If we have stable libs the we don't want the libxc compat
2307  * layers, regardless of what CFLAGS we may have been given.
2308  */
2309 #undef XC_WANT_COMPAT_EVTCHN_API
2310 #undef XC_WANT_COMPAT_GNTTAB_API
2311 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2312 #include <xenctrl.h>
2313 #include <xenstore.h>
2314 #include <xenevtchn.h>
2315 #include <xengnttab.h>
2316 #include <xenforeignmemory.h>
2317 #include <stdint.h>
2318 #include <xen/hvm/hvm_info_table.h>
2319 #if !defined(HVM_MAX_VCPUS)
2320 # error HVM_MAX_VCPUS not defined
2321 #endif
2322 int main(void) {
2323   xc_interface *xc = NULL;
2324   xenforeignmemory_handle *xfmem;
2325   xenevtchn_handle *xe;
2326   xengnttab_handle *xg;
2327   xen_domain_handle_t handle;
2328
2329   xs_daemon_open();
2330
2331   xc = xc_interface_open(0, 0, 0);
2332   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2333   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2334   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2335   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2336   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2337
2338   xfmem = xenforeignmemory_open(0, 0);
2339   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2340
2341   xe = xenevtchn_open(0, 0);
2342   xenevtchn_fd(xe);
2343
2344   xg = xengnttab_open(0, 0);
2345   xengnttab_map_grant_ref(xg, 0, 0, 0);
2346
2347   return 0;
2348 }
2349 EOF
2350         compile_prog "" "$xen_libs $xen_stable_libs"
2351       then
2352       xen_ctrl_version=40701
2353       xen=yes
2354     elif
2355         cat > $TMPC <<EOF &&
2356 #include <xenctrl.h>
2357 #include <stdint.h>
2358 int main(void) {
2359   xc_interface *xc = NULL;
2360   xen_domain_handle_t handle;
2361   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2362   return 0;
2363 }
2364 EOF
2365         compile_prog "" "$xen_libs"
2366       then
2367       xen_ctrl_version=40700
2368       xen=yes
2369
2370     # Xen 4.6
2371     elif
2372         cat > $TMPC <<EOF &&
2373 #include <xenctrl.h>
2374 #include <xenstore.h>
2375 #include <stdint.h>
2376 #include <xen/hvm/hvm_info_table.h>
2377 #if !defined(HVM_MAX_VCPUS)
2378 # error HVM_MAX_VCPUS not defined
2379 #endif
2380 int main(void) {
2381   xc_interface *xc;
2382   xs_daemon_open();
2383   xc = xc_interface_open(0, 0, 0);
2384   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2385   xc_gnttab_open(NULL, 0);
2386   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2387   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2388   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2389   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2390   return 0;
2391 }
2392 EOF
2393         compile_prog "" "$xen_libs"
2394       then
2395       xen_ctrl_version=40600
2396       xen=yes
2397
2398     # Xen 4.5
2399     elif
2400         cat > $TMPC <<EOF &&
2401 #include <xenctrl.h>
2402 #include <xenstore.h>
2403 #include <stdint.h>
2404 #include <xen/hvm/hvm_info_table.h>
2405 #if !defined(HVM_MAX_VCPUS)
2406 # error HVM_MAX_VCPUS not defined
2407 #endif
2408 int main(void) {
2409   xc_interface *xc;
2410   xs_daemon_open();
2411   xc = xc_interface_open(0, 0, 0);
2412   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2413   xc_gnttab_open(NULL, 0);
2414   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2415   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2416   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2417   return 0;
2418 }
2419 EOF
2420         compile_prog "" "$xen_libs"
2421       then
2422       xen_ctrl_version=40500
2423       xen=yes
2424
2425     elif
2426         cat > $TMPC <<EOF &&
2427 #include <xenctrl.h>
2428 #include <xenstore.h>
2429 #include <stdint.h>
2430 #include <xen/hvm/hvm_info_table.h>
2431 #if !defined(HVM_MAX_VCPUS)
2432 # error HVM_MAX_VCPUS not defined
2433 #endif
2434 int main(void) {
2435   xc_interface *xc;
2436   xs_daemon_open();
2437   xc = xc_interface_open(0, 0, 0);
2438   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2439   xc_gnttab_open(NULL, 0);
2440   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2441   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2442   return 0;
2443 }
2444 EOF
2445         compile_prog "" "$xen_libs"
2446       then
2447       xen_ctrl_version=40200
2448       xen=yes
2449
2450     else
2451       if test "$xen" = "yes" ; then
2452         feature_not_found "xen (unsupported version)" \
2453                           "Install a supported xen (xen 4.2 or newer)"
2454       fi
2455       xen=no
2456     fi
2457
2458     if test "$xen" = yes; then
2459       if test $xen_ctrl_version -ge 40701  ; then
2460         libs_softmmu="$xen_stable_libs $libs_softmmu"
2461       fi
2462       libs_softmmu="$xen_libs $libs_softmmu"
2463     fi
2464   fi
2465 fi
2466
2467 if test "$xen_pci_passthrough" != "no"; then
2468   if test "$xen" = "yes" && test "$linux" = "yes"; then
2469     xen_pci_passthrough=yes
2470   else
2471     if test "$xen_pci_passthrough" = "yes"; then
2472       error_exit "User requested feature Xen PCI Passthrough" \
2473           " but this feature requires /sys from Linux"
2474     fi
2475     xen_pci_passthrough=no
2476   fi
2477 fi
2478
2479 if test "$xen_pv_domain_build" = "yes" &&
2480    test "$xen" != "yes"; then
2481     error_exit "User requested Xen PV domain builder support" \
2482                "which requires Xen support."
2483 fi
2484
2485 ##########################################
2486 # Windows Hypervisor Platform accelerator (WHPX) check
2487 if test "$whpx" != "no" ; then
2488     cat > $TMPC << EOF
2489 #include <windows.h>
2490 #include <winhvplatform.h>
2491 #include <winhvemulation.h>
2492 int main(void) {
2493     WHV_CAPABILITY whpx_cap;
2494     WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap));
2495     return 0;
2496 }
2497 EOF
2498     if compile_prog "" "-lwinhvplatform -lwinhvemulation" ; then
2499         libs_softmmu="$libs_softmmu -lwinhvplatform -lwinhvemulation"
2500         whpx="yes"
2501     else
2502         if test "$whpx" = "yes"; then
2503             feature_not_found "winhvplatform" "winhvemulation is not installed"
2504         fi
2505         whpx="no"
2506     fi
2507 fi
2508
2509 ##########################################
2510 # Sparse probe
2511 if test "$sparse" != "no" ; then
2512   if has cgcc; then
2513     sparse=yes
2514   else
2515     if test "$sparse" = "yes" ; then
2516       feature_not_found "sparse" "Install sparse binary"
2517     fi
2518     sparse=no
2519   fi
2520 fi
2521
2522 ##########################################
2523 # X11 probe
2524 x11_cflags=
2525 x11_libs=-lX11
2526 if $pkg_config --exists "x11"; then
2527     x11_cflags=$($pkg_config --cflags x11)
2528     x11_libs=$($pkg_config --libs x11)
2529 fi
2530
2531 ##########################################
2532 # GTK probe
2533
2534 if test "$gtkabi" = ""; then
2535     # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
2536     # Use 2.0 as a fallback if that is available.
2537     if $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2538         gtkabi=3.0
2539     elif $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2540         gtkabi=2.0
2541     else
2542         gtkabi=3.0
2543     fi
2544 fi
2545
2546 if test "$gtk" != "no"; then
2547     gtkpackage="gtk+-$gtkabi"
2548     gtkx11package="gtk+-x11-$gtkabi"
2549     if test "$gtkabi" = "3.0" ; then
2550       gtkversion="3.0.0"
2551     else
2552       gtkversion="2.18.0"
2553     fi
2554     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2555         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2556         gtk_libs=$($pkg_config --libs $gtkpackage)
2557         gtk_version=$($pkg_config --modversion $gtkpackage)
2558         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2559             gtk_cflags="$gtk_cflags $x11_cflags"
2560             gtk_libs="$gtk_libs $x11_libs"
2561         fi
2562         libs_softmmu="$gtk_libs $libs_softmmu"
2563         gtk="yes"
2564     elif test "$gtk" = "yes"; then
2565         feature_not_found "gtk" "Install gtk3-devel"
2566     else
2567         gtk="no"
2568     fi
2569 fi
2570
2571
2572 ##########################################
2573 # GNUTLS probe
2574
2575 gnutls_works() {
2576     # Unfortunately some distros have bad pkg-config information for gnutls
2577     # such that it claims to exist but you get a compiler error if you try
2578     # to use the options returned by --libs. Specifically, Ubuntu for --static
2579     # builds doesn't work:
2580     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2581     #
2582     # So sanity check the cflags/libs before assuming gnutls can be used.
2583     if ! $pkg_config --exists "gnutls"; then
2584         return 1
2585     fi
2586
2587     write_c_skeleton
2588     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2589 }
2590
2591 gnutls_gcrypt=no
2592 gnutls_nettle=no
2593 if test "$gnutls" != "no"; then
2594     if gnutls_works; then
2595         gnutls_cflags=$($pkg_config --cflags gnutls)
2596         gnutls_libs=$($pkg_config --libs gnutls)
2597         libs_softmmu="$gnutls_libs $libs_softmmu"
2598         libs_tools="$gnutls_libs $libs_tools"
2599         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2600         gnutls="yes"
2601
2602         # gnutls_rnd requires >= 2.11.0
2603         if $pkg_config --exists "gnutls >= 2.11.0"; then
2604             gnutls_rnd="yes"
2605         else
2606             gnutls_rnd="no"
2607         fi
2608
2609         if $pkg_config --exists 'gnutls >= 3.0'; then
2610             gnutls_gcrypt=no
2611             gnutls_nettle=yes
2612         elif $pkg_config --exists 'gnutls >= 2.12'; then
2613             case $($pkg_config --libs --static gnutls) in
2614                 *gcrypt*)
2615                     gnutls_gcrypt=yes
2616                     gnutls_nettle=no
2617                     ;;
2618                 *nettle*)
2619                     gnutls_gcrypt=no
2620                     gnutls_nettle=yes
2621                     ;;
2622                 *)
2623                     gnutls_gcrypt=yes
2624                     gnutls_nettle=no
2625                     ;;
2626             esac
2627         else
2628             gnutls_gcrypt=yes
2629             gnutls_nettle=no
2630         fi
2631     elif test "$gnutls" = "yes"; then
2632         feature_not_found "gnutls" "Install gnutls devel"
2633     else
2634         gnutls="no"
2635         gnutls_rnd="no"
2636     fi
2637 else
2638     gnutls_rnd="no"
2639 fi
2640
2641
2642 # If user didn't give a --disable/enable-gcrypt flag,
2643 # then mark as disabled if user requested nettle
2644 # explicitly, or if gnutls links to nettle
2645 if test -z "$gcrypt"
2646 then
2647     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2648     then
2649         gcrypt="no"
2650     fi
2651 fi
2652
2653 # If user didn't give a --disable/enable-nettle flag,
2654 # then mark as disabled if user requested gcrypt
2655 # explicitly, or if gnutls links to gcrypt
2656 if test -z "$nettle"
2657 then
2658     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2659     then
2660         nettle="no"
2661     fi
2662 fi
2663
2664 has_libgcrypt_config() {
2665     if ! has "libgcrypt-config"
2666     then
2667         return 1
2668     fi
2669
2670     if test -n "$cross_prefix"
2671     then
2672         host=$(libgcrypt-config --host)
2673         if test "$host-" != $cross_prefix
2674         then
2675             return 1
2676         fi
2677     fi
2678
2679     return 0
2680 }
2681
2682 if test "$gcrypt" != "no"; then
2683     if has_libgcrypt_config; then
2684         gcrypt_cflags=$(libgcrypt-config --cflags)
2685         gcrypt_libs=$(libgcrypt-config --libs)
2686         # Debian has remove -lgpg-error from libgcrypt-config
2687         # as it "spreads unnecessary dependencies" which in
2688         # turn breaks static builds...
2689         if test "$static" = "yes"
2690         then
2691             gcrypt_libs="$gcrypt_libs -lgpg-error"
2692         fi
2693         libs_softmmu="$gcrypt_libs $libs_softmmu"
2694         libs_tools="$gcrypt_libs $libs_tools"
2695         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2696         gcrypt="yes"
2697         if test -z "$nettle"; then
2698            nettle="no"
2699         fi
2700
2701         cat > $TMPC << EOF
2702 #include <gcrypt.h>
2703 int main(void) {
2704   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2705                   GCRY_MD_SHA256,
2706                   NULL, 0, 0, 0, NULL);
2707  return 0;
2708 }
2709 EOF
2710         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2711             gcrypt_kdf=yes
2712         fi
2713
2714         cat > $TMPC << EOF
2715 #include <gcrypt.h>
2716 int main(void) {
2717   gcry_mac_hd_t handle;
2718   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2719                 GCRY_MAC_FLAG_SECURE, NULL);
2720   return 0;
2721 }
2722 EOF
2723         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2724             gcrypt_hmac=yes
2725         fi
2726     else
2727         if test "$gcrypt" = "yes"; then
2728             feature_not_found "gcrypt" "Install gcrypt devel"
2729         else
2730             gcrypt="no"
2731         fi
2732     fi
2733 fi
2734
2735
2736 if test "$nettle" != "no"; then
2737     if $pkg_config --exists "nettle"; then
2738         nettle_cflags=$($pkg_config --cflags nettle)
2739         nettle_libs=$($pkg_config --libs nettle)
2740         nettle_version=$($pkg_config --modversion nettle)
2741         libs_softmmu="$nettle_libs $libs_softmmu"
2742         libs_tools="$nettle_libs $libs_tools"
2743         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2744         nettle="yes"
2745
2746         cat > $TMPC << EOF
2747 #include <stddef.h>
2748 #include <nettle/pbkdf2.h>
2749 int main(void) {
2750      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2751      return 0;
2752 }
2753 EOF
2754         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2755             nettle_kdf=yes
2756         fi
2757     else
2758         if test "$nettle" = "yes"; then
2759             feature_not_found "nettle" "Install nettle devel"
2760         else
2761             nettle="no"
2762         fi
2763     fi
2764 fi
2765
2766 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2767 then
2768     error_exit "Only one of gcrypt & nettle can be enabled"
2769 fi
2770
2771 ##########################################
2772 # libtasn1 - only for the TLS creds/session test suite
2773
2774 tasn1=yes
2775 tasn1_cflags=""
2776 tasn1_libs=""
2777 if $pkg_config --exists "libtasn1"; then
2778     tasn1_cflags=$($pkg_config --cflags libtasn1)
2779     tasn1_libs=$($pkg_config --libs libtasn1)
2780 else
2781     tasn1=no
2782 fi
2783
2784
2785 ##########################################
2786 # getifaddrs (for tests/test-io-channel-socket )
2787
2788 have_ifaddrs_h=yes
2789 if ! check_include "ifaddrs.h" ; then
2790   have_ifaddrs_h=no
2791 fi
2792
2793 ##########################################
2794 # VTE probe
2795
2796 if test "$vte" != "no"; then
2797     if test "$gtkabi" = "3.0"; then
2798       vteminversion="0.32.0"
2799       if $pkg_config --exists "vte-2.91"; then
2800         vtepackage="vte-2.91"
2801       else
2802         vtepackage="vte-2.90"
2803       fi
2804     else
2805       vtepackage="vte"
2806       vteminversion="0.24.0"
2807     fi
2808     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2809         vte_cflags=$($pkg_config --cflags $vtepackage)
2810         vte_libs=$($pkg_config --libs $vtepackage)
2811         vteversion=$($pkg_config --modversion $vtepackage)
2812         libs_softmmu="$vte_libs $libs_softmmu"
2813         vte="yes"
2814     elif test "$vte" = "yes"; then
2815         if test "$gtkabi" = "3.0"; then
2816             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2817         else
2818             feature_not_found "vte" "Install libvte devel"
2819         fi
2820     else
2821         vte="no"
2822     fi
2823 fi
2824
2825 ##########################################
2826 # SDL probe
2827
2828 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2829 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2830
2831 if test "$sdlabi" = ""; then
2832     if $pkg_config --exists "sdl2"; then
2833         sdlabi=2.0
2834     elif $pkg_config --exists "sdl"; then
2835         sdlabi=1.2
2836     else
2837         sdlabi=2.0
2838     fi
2839 fi
2840
2841 if test $sdlabi = "2.0"; then
2842     sdl_config=$sdl2_config
2843     sdlname=sdl2
2844     sdlconfigname=sdl2_config
2845 elif test $sdlabi = "1.2"; then
2846     sdlname=sdl
2847     sdlconfigname=sdl_config
2848 else
2849     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2850 fi
2851
2852 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2853   sdl_config=$sdlconfigname
2854 fi
2855
2856 if $pkg_config $sdlname --exists; then
2857   sdlconfig="$pkg_config $sdlname"
2858   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2859 elif has ${sdl_config}; then
2860   sdlconfig="$sdl_config"
2861   sdlversion=$($sdlconfig --version)
2862 else
2863   if test "$sdl" = "yes" ; then
2864     feature_not_found "sdl" "Install SDL2-devel"
2865   fi
2866   sdl=no
2867 fi
2868 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2869   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2870 fi
2871
2872 sdl_too_old=no
2873 if test "$sdl" != "no" ; then
2874   cat > $TMPC << EOF
2875 #include <SDL.h>
2876 #undef main /* We don't want SDL to override our main() */
2877 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2878 EOF
2879   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2880   if test "$static" = "yes" ; then
2881     if $pkg_config $sdlname --exists; then
2882       sdl_libs=$($pkg_config $sdlname --static --libs 2>/dev/null)
2883     else
2884       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2885     fi
2886   else
2887     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2888   fi
2889   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2890     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2891       sdl_too_old=yes
2892     else
2893       sdl=yes
2894     fi
2895
2896     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2897     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2898       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2899          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2900          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2901       fi
2902       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2903         :
2904       else
2905         sdl=no
2906       fi
2907     fi # static link
2908   else # sdl not found
2909     if test "$sdl" = "yes" ; then
2910       feature_not_found "sdl" "Install SDL devel"
2911     fi
2912     sdl=no
2913   fi # sdl compile test
2914 fi
2915
2916 if test "$sdl" = "yes" ; then
2917   cat > $TMPC <<EOF
2918 #include <SDL.h>
2919 #if defined(SDL_VIDEO_DRIVER_X11)
2920 #include <X11/XKBlib.h>
2921 #else
2922 #error No x11 support
2923 #endif
2924 int main(void) { return 0; }
2925 EOF
2926   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2927     sdl_cflags="$sdl_cflags $x11_cflags"
2928     sdl_libs="$sdl_libs $x11_libs"
2929   fi
2930 fi
2931
2932 ##########################################
2933 # RDMA needs OpenFabrics libraries
2934 if test "$rdma" != "no" ; then
2935   cat > $TMPC <<EOF
2936 #include <rdma/rdma_cma.h>
2937 int main(void) { return 0; }
2938 EOF
2939   rdma_libs="-lrdmacm -libverbs"
2940   if compile_prog "" "$rdma_libs" ; then
2941     rdma="yes"
2942   else
2943     if test "$rdma" = "yes" ; then
2944         error_exit \
2945             " OpenFabrics librdmacm/libibverbs not present." \
2946             " Your options:" \
2947             "  (1) Fast: Install infiniband packages from your distro." \
2948             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2949             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2950     fi
2951     rdma="no"
2952   fi
2953 fi
2954
2955 ##########################################
2956 # VNC SASL detection
2957 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2958   cat > $TMPC <<EOF
2959 #include <sasl/sasl.h>
2960 #include <stdio.h>
2961 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2962 EOF
2963   # Assuming Cyrus-SASL installed in /usr prefix
2964   vnc_sasl_cflags=""
2965   vnc_sasl_libs="-lsasl2"
2966   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2967     vnc_sasl=yes
2968     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2969     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2970   else
2971     if test "$vnc_sasl" = "yes" ; then
2972       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2973     fi
2974     vnc_sasl=no
2975   fi
2976 fi
2977
2978 ##########################################
2979 # VNC JPEG detection
2980 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2981   if $pkg_config --exists libjpeg; then
2982     vnc_jpeg=yes
2983     libs_softmmu="$libs_softmmu $($pkg_config --libs libjpeg)"
2984     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libjpeg)"
2985   else
2986     cat > $TMPC <<EOF
2987 #include <stdio.h>
2988 #include <jpeglib.h>
2989 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2990 EOF
2991     vnc_jpeg_cflags=""
2992     vnc_jpeg_libs="-ljpeg"
2993     if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2994       vnc_jpeg=yes
2995       libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2996       QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2997     else
2998       if test "$vnc_jpeg" = "yes" ; then
2999         feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3000       fi
3001       vnc_jpeg=no
3002     fi
3003   fi
3004 fi
3005
3006 ##########################################
3007 # VNC PNG detection
3008 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
3009 cat > $TMPC <<EOF
3010 //#include <stdio.h>
3011 #include <png.h>
3012 #include <stddef.h>
3013 int main(void) {
3014     png_structp png_ptr;
3015     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3016     return png_ptr != 0;
3017 }
3018 EOF
3019   if $pkg_config libpng --exists; then
3020     vnc_png_cflags=$($pkg_config libpng --cflags)
3021     vnc_png_libs=$($pkg_config libpng --libs)
3022   else
3023     vnc_png_cflags=""
3024     vnc_png_libs="-lpng"
3025   fi
3026   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3027     vnc_png=yes
3028     libs_softmmu="$vnc_png_libs $libs_softmmu"
3029     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3030   else
3031     if test "$vnc_png" = "yes" ; then
3032       feature_not_found "vnc-png" "Install libpng devel"
3033     fi
3034     vnc_png=no
3035   fi
3036 fi
3037
3038 ##########################################
3039 # xkbcommon probe
3040 if test "$xkbcommon" != "no" ; then
3041   if $pkg_config xkbcommon --exists; then
3042     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3043     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3044     xkbcommon=yes
3045   else
3046     if test "$xkbcommon" = "yes" ; then
3047       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3048     fi
3049     xkbcommon=no
3050   fi
3051 fi
3052
3053 ##########################################
3054 # fnmatch() probe, used for ACL routines
3055 fnmatch="no"
3056 cat > $TMPC << EOF
3057 #include <fnmatch.h>
3058 int main(void)
3059 {
3060     fnmatch("foo", "foo", 0);
3061     return 0;
3062 }
3063 EOF
3064 if compile_prog "" "" ; then
3065    fnmatch="yes"
3066 fi
3067
3068 ##########################################
3069 # xfsctl() probe, used for file-posix.c
3070 if test "$xfs" != "no" ; then
3071   cat > $TMPC << EOF
3072 #include <stddef.h>  /* NULL */
3073 #include <xfs/xfs.h>
3074 int main(void)
3075 {
3076     xfsctl(NULL, 0, 0, NULL);
3077     return 0;
3078 }
3079 EOF
3080   if compile_prog "" "" ; then
3081     xfs="yes"
3082   else
3083     if test "$xfs" = "yes" ; then
3084       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3085     fi
3086     xfs=no
3087   fi
3088 fi
3089
3090 ##########################################
3091 # vde libraries probe
3092 if test "$vde" != "no" ; then
3093   vde_libs="-lvdeplug"
3094   cat > $TMPC << EOF
3095 #include <stddef.h>
3096 #include <libvdeplug.h>
3097 int main(void)
3098 {
3099     struct vde_open_args a = {0, 0, 0};
3100     char s[] = "";
3101     vde_open(s, s, &a);
3102     return 0;
3103 }
3104 EOF
3105   if compile_prog "" "$vde_libs" ; then
3106     vde=yes
3107   else
3108     if test "$vde" = "yes" ; then
3109       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3110     fi
3111     vde=no
3112   fi
3113 fi
3114
3115 ##########################################
3116 # netmap support probe
3117 # Apart from looking for netmap headers, we make sure that the host API version
3118 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3119 # a minor/major version number. Minor new features will be marked with values up
3120 # to 15, and if something happens that requires a change to the backend we will
3121 # move above 15, submit the backend fixes and modify this two bounds.
3122 if test "$netmap" != "no" ; then
3123   cat > $TMPC << EOF
3124 #include <inttypes.h>
3125 #include <net/if.h>
3126 #include <net/netmap.h>
3127 #include <net/netmap_user.h>
3128 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3129 #error
3130 #endif
3131 int main(void) { return 0; }
3132 EOF
3133   if compile_prog "" "" ; then
3134     netmap=yes
3135   else
3136     if test "$netmap" = "yes" ; then
3137       feature_not_found "netmap"
3138     fi
3139     netmap=no
3140   fi
3141 fi
3142
3143 ##########################################
3144 # libcap-ng library probe
3145 if test "$cap_ng" != "no" ; then
3146   cap_libs="-lcap-ng"
3147   cat > $TMPC << EOF
3148 #include <cap-ng.h>
3149 int main(void)
3150 {
3151     capng_capability_to_name(CAPNG_EFFECTIVE);
3152     return 0;
3153 }
3154 EOF
3155   if compile_prog "" "$cap_libs" ; then
3156     cap_ng=yes
3157     libs_tools="$cap_libs $libs_tools"
3158   else
3159     if test "$cap_ng" = "yes" ; then
3160       feature_not_found "cap_ng" "Install libcap-ng devel"
3161     fi
3162     cap_ng=no
3163   fi
3164 fi
3165
3166 ##########################################
3167 # Sound support libraries probe
3168
3169 audio_drv_probe()
3170 {
3171     drv=$1
3172     hdr=$2
3173     lib=$3
3174     exp=$4
3175     cfl=$5
3176         cat > $TMPC << EOF
3177 #include <$hdr>
3178 int main(void) { $exp }
3179 EOF
3180     if compile_prog "$cfl" "$lib" ; then
3181         :
3182     else
3183         error_exit "$drv check failed" \
3184             "Make sure to have the $drv libs and headers installed."
3185     fi
3186 }
3187
3188 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3189 for drv in $audio_drv_list; do
3190     case $drv in
3191     alsa)
3192     audio_drv_probe $drv alsa/asoundlib.h -lasound \
3193         "return snd_pcm_close((snd_pcm_t *)0);"
3194     alsa_libs="-lasound"
3195     ;;
3196
3197     pa)
3198     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
3199         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
3200     pulse_libs="-lpulse"
3201     audio_pt_int="yes"
3202     ;;
3203
3204     sdl)
3205     if test "$sdl" = "no"; then
3206         error_exit "sdl not found or disabled, can not use sdl audio driver"
3207     fi
3208     ;;
3209
3210     coreaudio)
3211       coreaudio_libs="-framework CoreAudio"
3212     ;;
3213
3214     dsound)
3215       dsound_libs="-lole32 -ldxguid"
3216       audio_win_int="yes"
3217     ;;
3218
3219     oss)
3220       oss_libs="$oss_lib"
3221     ;;
3222
3223     wav)
3224     # XXX: Probes for CoreAudio, DirectSound
3225     ;;
3226
3227     *)
3228     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3229         error_exit "Unknown driver '$drv' selected" \
3230             "Possible drivers are: $audio_possible_drivers"
3231     }
3232     ;;
3233     esac
3234 done
3235
3236 ##########################################
3237 # BrlAPI probe
3238
3239 if test "$brlapi" != "no" ; then
3240   brlapi_libs="-lbrlapi"
3241   cat > $TMPC << EOF
3242 #include <brlapi.h>
3243 #include <stddef.h>
3244 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3245 EOF
3246   if compile_prog "" "$brlapi_libs" ; then
3247     brlapi=yes
3248   else
3249     if test "$brlapi" = "yes" ; then
3250       feature_not_found "brlapi" "Install brlapi devel"
3251     fi
3252     brlapi=no
3253   fi
3254 fi
3255
3256 ##########################################
3257 # curses probe
3258 if test "$curses" != "no" ; then
3259   if test "$mingw32" = "yes" ; then
3260     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3261     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3262   else
3263     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3264     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3265   fi
3266   curses_found=no
3267   cat > $TMPC << EOF
3268 #include <locale.h>
3269 #include <curses.h>
3270 #include <wchar.h>
3271 int main(void) {
3272   wchar_t wch = L'w';
3273   setlocale(LC_ALL, "");
3274   resize_term(0, 0);
3275   addwstr(L"wide chars\n");
3276   addnwstr(&wch, 1);
3277   add_wch(WACS_DEGREE);
3278   return 0;
3279 }
3280 EOF
3281   IFS=:
3282   for curses_inc in $curses_inc_list; do
3283     # Make sure we get the wide character prototypes
3284     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3285     IFS=:
3286     for curses_lib in $curses_lib_list; do
3287       unset IFS
3288       if compile_prog "$curses_inc" "$curses_lib" ; then
3289         curses_found=yes
3290         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3291         libs_softmmu="$curses_lib $libs_softmmu"
3292         break
3293       fi
3294     done
3295     if test "$curses_found" = yes ; then
3296       break
3297     fi
3298   done
3299   unset IFS
3300   if test "$curses_found" = "yes" ; then
3301     curses=yes
3302   else
3303     if test "$curses" = "yes" ; then
3304       feature_not_found "curses" "Install ncurses devel"
3305     fi
3306     curses=no
3307   fi
3308 fi
3309
3310 ##########################################
3311 # curl probe
3312 if test "$curl" != "no" ; then
3313   if $pkg_config libcurl --exists; then
3314     curlconfig="$pkg_config libcurl"
3315   else
3316     curlconfig=curl-config
3317   fi
3318   cat > $TMPC << EOF
3319 #include <curl/curl.h>
3320 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3321 EOF
3322   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3323   curl_libs=$($curlconfig --libs 2>/dev/null)
3324   if compile_prog "$curl_cflags" "$curl_libs" ; then
3325     curl=yes
3326   else
3327     if test "$curl" = "yes" ; then
3328       feature_not_found "curl" "Install libcurl devel"
3329     fi
3330     curl=no
3331   fi
3332 fi # test "$curl"
3333
3334 ##########################################
3335 # bluez support probe
3336 if test "$bluez" != "no" ; then
3337   cat > $TMPC << EOF
3338 #include <bluetooth/bluetooth.h>
3339 int main(void) { return bt_error(0); }
3340 EOF
3341   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3342   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3343   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3344     bluez=yes
3345     libs_softmmu="$bluez_libs $libs_softmmu"
3346   else
3347     if test "$bluez" = "yes" ; then
3348       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3349     fi
3350     bluez="no"
3351   fi
3352 fi
3353
3354 ##########################################
3355 # glib support probe
3356
3357 if test "$mingw32" = yes; then
3358     glib_req_ver=2.30
3359 else
3360     glib_req_ver=2.22
3361 fi
3362 glib_modules=gthread-2.0
3363 if test "$modules" = yes; then
3364     glib_modules="$glib_modules gmodule-2.0"
3365 fi
3366
3367 # This workaround is required due to a bug in pkg-config file for glib as it
3368 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3369
3370 if test "$static" = yes -a "$mingw32" = yes; then
3371     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3372 fi
3373
3374 for i in $glib_modules; do
3375     if $pkg_config --atleast-version=$glib_req_ver $i; then
3376         glib_cflags=$($pkg_config --cflags $i)
3377         glib_libs=$($pkg_config --libs $i)
3378         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3379         LIBS="$glib_libs $LIBS"
3380         libs_qga="$glib_libs $libs_qga"
3381     else
3382         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3383     fi
3384 done
3385
3386 # Sanity check that the current size_t matches the
3387 # size that glib thinks it should be. This catches
3388 # problems on multi-arch where people try to build
3389 # 32-bit QEMU while pointing at 64-bit glib headers
3390 cat > $TMPC <<EOF
3391 #include <glib.h>
3392 #include <unistd.h>
3393
3394 #define QEMU_BUILD_BUG_ON(x) \
3395   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3396
3397 int main(void) {
3398    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3399    return 0;
3400 }
3401 EOF
3402
3403 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3404     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3405                "You probably need to set PKG_CONFIG_LIBDIR"\
3406                "to point to the right pkg-config files for your"\
3407                "build target"
3408 fi
3409
3410 # g_test_trap_subprocess added in 2.38. Used by some tests.
3411 glib_subprocess=yes
3412 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3413     glib_subprocess=no
3414 fi
3415
3416 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3417 cat > $TMPC << EOF
3418 #include <glib.h>
3419 int main(void) { return 0; }
3420 EOF
3421 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3422     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3423         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3424         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3425     fi
3426 fi
3427
3428 #########################################
3429 # zlib check
3430
3431 if test "$zlib" != "no" ; then
3432     if $pkg_config --exists zlib; then
3433         zlib_cflags=$($pkg_config --cflags zlib)
3434         zlib_libs=$($pkg_config --libs zlib)
3435         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3436         LIBS="$zlib_libs $LIBS"
3437     else
3438         cat > $TMPC << EOF
3439 #include <zlib.h>
3440 int main(void) { zlibVersion(); return 0; }
3441 EOF
3442         if compile_prog "" "-lz" ; then
3443             LIBS="$LIBS -lz"
3444         else
3445             error_exit "zlib check failed" \
3446                 "Make sure to have the zlib libs and headers installed."
3447         fi
3448     fi
3449 fi
3450
3451 ##########################################
3452 # SHA command probe for modules
3453 if test "$modules" = yes; then
3454     shacmd_probe="sha1sum sha1 shasum"
3455     for c in $shacmd_probe; do
3456         if has $c; then
3457             shacmd="$c"
3458             break
3459         fi
3460     done
3461     if test "$shacmd" = ""; then
3462         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3463     fi
3464 fi
3465
3466 ##########################################
3467 # pixman support probe
3468
3469 if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3470   pixman_cflags=
3471   pixman_libs=
3472 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3473   pixman_cflags=$($pkg_config --cflags pixman-1)
3474   pixman_libs=$($pkg_config --libs pixman-1)
3475 else
3476   error_exit "pixman >= 0.21.8 not present." \
3477       "Please install the pixman devel package."
3478 fi
3479
3480 ##########################################
3481 # libmpathpersist probe
3482
3483 if test "$mpath" != "no" ; then
3484   cat > $TMPC <<EOF
3485 #include <libudev.h>
3486 #include <mpath_persist.h>
3487 unsigned mpath_mx_alloc_len = 1024;
3488 int logsink;
3489 static struct config *multipath_conf;
3490 extern struct udev *udev;
3491 extern struct config *get_multipath_config(void);
3492 extern void put_multipath_config(struct config *conf);
3493 struct udev *udev;
3494 struct config *get_multipath_config(void) { return multipath_conf; }
3495 void put_multipath_config(struct config *conf) { }
3496
3497 int main(void) {
3498     udev = udev_new();
3499     multipath_conf = mpath_lib_init();
3500     return 0;
3501 }
3502 EOF
3503   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3504     mpathpersist=yes
3505   else
3506     mpathpersist=no
3507   fi
3508 else
3509   mpathpersist=no
3510 fi
3511
3512 ##########################################
3513 # libcap probe
3514
3515 if test "$cap" != "no" ; then
3516   cat > $TMPC <<EOF
3517 #include <stdio.h>
3518 #include <sys/capability.h>
3519 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3520 EOF
3521   if compile_prog "" "-lcap" ; then
3522     cap=yes
3523   else
3524     cap=no
3525   fi
3526 fi
3527
3528 ##########################################
3529 # pthread probe
3530 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3531
3532 pthread=no
3533 cat > $TMPC << EOF
3534 #include <pthread.h>
3535 static void *f(void *p) { return NULL; }
3536 int main(void) {
3537   pthread_t thread;
3538   pthread_create(&thread, 0, f, 0);
3539   return 0;
3540 }
3541 EOF
3542 if compile_prog "" "" ; then
3543   pthread=yes
3544 else
3545   for pthread_lib in $PTHREADLIBS_LIST; do
3546     if compile_prog "" "$pthread_lib" ; then
3547       pthread=yes
3548       found=no
3549       for lib_entry in $LIBS; do
3550         if test "$lib_entry" = "$pthread_lib"; then
3551           found=yes
3552           break
3553         fi
3554       done
3555       if test "$found" = "no"; then
3556         LIBS="$pthread_lib $LIBS"
3557         libs_qga="$pthread_lib $libs_qga"
3558       fi
3559       PTHREAD_LIB="$pthread_lib"
3560       break
3561     fi
3562   done
3563 fi
3564
3565 if test "$mingw32" != yes -a "$pthread" = no; then
3566   error_exit "pthread check failed" \
3567       "Make sure to have the pthread libs and headers installed."
3568 fi
3569
3570 # check for pthread_setname_np
3571 pthread_setname_np=no
3572 cat > $TMPC << EOF
3573 #include <pthread.h>
3574
3575 static void *f(void *p) { return NULL; }
3576 int main(void)
3577 {
3578     pthread_t thread;
3579     pthread_create(&thread, 0, f, 0);
3580     pthread_setname_np(thread, "QEMU");
3581     return 0;
3582 }
3583 EOF
3584 if compile_prog "" "$pthread_lib" ; then
3585   pthread_setname_np=yes
3586 fi
3587
3588 ##########################################
3589 # rbd probe
3590 if test "$rbd" != "no" ; then
3591   cat > $TMPC <<EOF
3592 #include <stdio.h>
3593 #include <rbd/librbd.h>
3594 int main(void) {
3595     rados_t cluster;
3596     rados_create(&cluster, NULL);
3597     return 0;
3598 }
3599 EOF
3600   rbd_libs="-lrbd -lrados"
3601   if compile_prog "" "$rbd_libs" ; then
3602     rbd=yes
3603   else
3604     if test "$rbd" = "yes" ; then
3605       feature_not_found "rados block device" "Install librbd/ceph devel"
3606     fi
3607     rbd=no
3608   fi
3609 fi
3610
3611 ##########################################
3612 # libssh2 probe
3613 min_libssh2_version=1.2.8
3614 if test "$libssh2" != "no" ; then
3615   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3616     libssh2_cflags=$($pkg_config libssh2 --cflags)
3617     libssh2_libs=$($pkg_config libssh2 --libs)
3618     libssh2=yes
3619   else
3620     if test "$libssh2" = "yes" ; then
3621       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3622     fi
3623     libssh2=no
3624   fi
3625 fi
3626
3627 ##########################################
3628 # libssh2_sftp_fsync probe
3629
3630 if test "$libssh2" = "yes"; then
3631   cat > $TMPC <<EOF
3632 #include <stdio.h>
3633 #include <libssh2.h>
3634 #include <libssh2_sftp.h>
3635 int main(void) {
3636     LIBSSH2_SESSION *session;
3637     LIBSSH2_SFTP *sftp;
3638     LIBSSH2_SFTP_HANDLE *sftp_handle;
3639     session = libssh2_session_init ();
3640     sftp = libssh2_sftp_init (session);
3641     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3642     libssh2_sftp_fsync (sftp_handle);
3643     return 0;
3644 }
3645 EOF
3646   # libssh2_cflags/libssh2_libs defined in previous test.
3647   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3648     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3649   fi
3650 fi
3651
3652 ##########################################
3653 # linux-aio probe
3654
3655 if test "$linux_aio" != "no" ; then
3656   cat > $TMPC <<EOF
3657 #include <libaio.h>
3658 #include <sys/eventfd.h>
3659 #include <stddef.h>
3660 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3661 EOF
3662   if compile_prog "" "-laio" ; then
3663     linux_aio=yes
3664   else
3665     if test "$linux_aio" = "yes" ; then
3666       feature_not_found "linux AIO" "Install libaio devel"
3667     fi
3668     linux_aio=no
3669   fi
3670 fi
3671
3672 ##########################################
3673 # TPM passthrough is only on x86 Linux
3674
3675 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3676   tpm_passthrough=$tpm
3677 else
3678   tpm_passthrough=no
3679 fi
3680
3681 # TPM emulator is for all posix systems
3682 if test "$mingw32" != "yes"; then
3683   tpm_emulator=$tpm
3684 else
3685   tpm_emulator=no
3686 fi
3687 ##########################################
3688 # attr probe
3689
3690 if test "$attr" != "no" ; then
3691   cat > $TMPC <<EOF
3692 #include <stdio.h>
3693 #include <sys/types.h>
3694 #ifdef CONFIG_LIBATTR
3695 #include <attr/xattr.h>
3696 #else
3697 #include <sys/xattr.h>
3698 #endif
3699 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3700 EOF
3701   if compile_prog "" "" ; then
3702     attr=yes
3703   # Older distros have <attr/xattr.h>, and need -lattr:
3704   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3705     attr=yes
3706     LIBS="-lattr $LIBS"
3707     libattr=yes
3708   else
3709     if test "$attr" = "yes" ; then
3710       feature_not_found "ATTR" "Install libc6 or libattr devel"
3711     fi
3712     attr=no
3713   fi
3714 fi
3715
3716 ##########################################
3717 # iovec probe
3718 cat > $TMPC <<EOF
3719 #include <sys/types.h>
3720 #include <sys/uio.h>
3721 #include <unistd.h>
3722 int main(void) { return sizeof(struct iovec); }
3723 EOF
3724 iovec=no
3725 if compile_prog "" "" ; then
3726   iovec=yes
3727 fi
3728
3729 ##########################################
3730 # preadv probe
3731 cat > $TMPC <<EOF
3732 #include <sys/types.h>
3733 #include <sys/uio.h>
3734 #include <unistd.h>
3735 int main(void) { return preadv(0, 0, 0, 0); }
3736 EOF
3737 preadv=no
3738 if compile_prog "" "" ; then
3739   preadv=yes
3740 fi
3741
3742 ##########################################
3743 # fdt probe
3744 # fdt support is mandatory for at least some target architectures,
3745 # so insist on it if we're building those system emulators.
3746 fdt_required=no
3747 for target in $target_list; do
3748   case $target in
3749     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3750       fdt_required=yes
3751     ;;
3752   esac
3753 done
3754
3755 if test "$fdt_required" = "yes"; then
3756   if test "$fdt" = "no"; then
3757     error_exit "fdt disabled but some requested targets require it." \
3758       "You can turn off fdt only if you also disable all the system emulation" \
3759       "targets which need it (by specifying a cut down --target-list)."
3760   fi
3761   fdt=yes
3762 fi
3763
3764 if test "$fdt" != "no" ; then
3765   fdt_libs="-lfdt"
3766   # explicitly check for libfdt_env.h as it is missing in some stable installs
3767   # and test for required functions to make sure we are on a version >= 1.4.2
3768   cat > $TMPC << EOF
3769 #include <libfdt.h>
3770 #include <libfdt_env.h>
3771 int main(void) { fdt_first_subnode(0, 0); return 0; }
3772 EOF
3773   if compile_prog "" "$fdt_libs" ; then
3774     # system DTC is good - use it
3775     fdt=yes
3776   else
3777       # have GIT checkout, so activate dtc submodule
3778       if test -e "${source_path}/.git" ; then
3779           git_submodules="${git_submodules} dtc"
3780       fi
3781       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3782           fdt=yes
3783           dtc_internal="yes"
3784           mkdir -p dtc
3785           if [ "$pwd_is_source_path" != "y" ] ; then
3786               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3787               symlink "$source_path/dtc/scripts" "dtc/scripts"
3788           fi
3789           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3790           fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3791       elif test "$fdt" = "yes" ; then
3792           # Not a git build & no libfdt found, prompt for system install
3793           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3794                      "Please install the DTC (libfdt) devel package"
3795       else
3796           # don't have and don't want
3797           fdt_libs=
3798           fdt=no
3799       fi
3800   fi
3801 fi
3802
3803 libs_softmmu="$libs_softmmu $fdt_libs"
3804
3805 ##########################################
3806 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3807
3808 if test "$opengl" != "no" ; then
3809   opengl_pkgs="epoxy libdrm gbm"
3810   if $pkg_config $opengl_pkgs x11; then
3811     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3812     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3813     opengl=yes
3814     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3815         gtk_gl="yes"
3816     fi
3817     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3818   else
3819     if test "$opengl" = "yes" ; then
3820       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3821     fi
3822     opengl_cflags=""
3823     opengl_libs=""
3824     opengl=no
3825   fi
3826 fi
3827
3828 if test "$opengl" = "yes"; then
3829   cat > $TMPC << EOF
3830 #include <epoxy/egl.h>
3831 #ifndef EGL_MESA_image_dma_buf_export
3832 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3833 #endif
3834 int main(void) { return 0; }
3835 EOF
3836   if compile_prog "" "" ; then
3837     opengl_dmabuf=yes
3838   fi
3839 fi
3840
3841 ##########################################
3842 # libxml2 probe
3843 if test "$libxml2" != "no" ; then
3844     if $pkg_config --exists libxml-2.0; then
3845         libxml2="yes"
3846         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
3847         libxml2_libs=$($pkg_config --libs libxml-2.0)
3848     else
3849         if test "$libxml2" = "yes"; then
3850             feature_not_found "libxml2" "Install libxml2 devel"
3851         fi
3852         libxml2="no"
3853     fi
3854 fi
3855
3856 ##########################################
3857 # glusterfs probe
3858 if test "$glusterfs" != "no" ; then
3859   if $pkg_config --atleast-version=3 glusterfs-api; then
3860     glusterfs="yes"
3861     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3862     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3863     if $pkg_config --atleast-version=4 glusterfs-api; then
3864       glusterfs_xlator_opt="yes"
3865     fi
3866     if $pkg_config --atleast-version=5 glusterfs-api; then
3867       glusterfs_discard="yes"
3868     fi
3869     if $pkg_config --atleast-version=6 glusterfs-api; then
3870       glusterfs_fallocate="yes"
3871       glusterfs_zerofill="yes"
3872     fi
3873   else
3874     if test "$glusterfs" = "yes" ; then
3875       feature_not_found "GlusterFS backend support" \
3876           "Install glusterfs-api devel >= 3"
3877     fi
3878     glusterfs="no"
3879   fi
3880 fi
3881
3882 # Check for inotify functions when we are building linux-user
3883 # emulator.  This is done because older glibc versions don't
3884 # have syscall stubs for these implemented.  In that case we
3885 # don't provide them even if kernel supports them.
3886 #
3887 inotify=no
3888 cat > $TMPC << EOF
3889 #include <sys/inotify.h>
3890
3891 int
3892 main(void)
3893 {
3894         /* try to start inotify */
3895         return inotify_init();
3896 }
3897 EOF
3898 if compile_prog "" "" ; then
3899   inotify=yes
3900 fi
3901
3902 inotify1=no
3903 cat > $TMPC << EOF
3904 #include <sys/inotify.h>
3905
3906 int
3907 main(void)
3908 {
3909     /* try to start inotify */
3910     return inotify_init1(0);
3911 }
3912 EOF
3913 if compile_prog "" "" ; then
3914   inotify1=yes
3915 fi
3916
3917 # check if pipe2 is there
3918 pipe2=no
3919 cat > $TMPC << EOF
3920 #include <unistd.h>
3921 #include <fcntl.h>
3922
3923 int main(void)
3924 {
3925     int pipefd[2];
3926     return pipe2(pipefd, O_CLOEXEC);
3927 }
3928 EOF
3929 if compile_prog "" "" ; then
3930   pipe2=yes
3931 fi
3932
3933 # check if accept4 is there
3934 accept4=no
3935 cat > $TMPC << EOF
3936 #include <sys/socket.h>
3937 #include <stddef.h>
3938
3939 int main(void)
3940 {
3941     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3942     return 0;
3943 }
3944 EOF
3945 if compile_prog "" "" ; then
3946   accept4=yes
3947 fi
3948
3949 # check if tee/splice is there. vmsplice was added same time.
3950 splice=no
3951 cat > $TMPC << EOF
3952 #include <unistd.h>
3953 #include <fcntl.h>
3954 #include <limits.h>
3955
3956 int main(void)
3957 {
3958     int len, fd = 0;
3959     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3960     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3961     return 0;
3962 }
3963 EOF
3964 if compile_prog "" "" ; then
3965   splice=yes
3966 fi
3967
3968 ##########################################
3969 # libnuma probe
3970
3971 if test "$numa" != "no" ; then
3972   cat > $TMPC << EOF
3973 #include <numa.h>
3974 int main(void) { return numa_available(); }
3975 EOF
3976
3977   if compile_prog "" "-lnuma" ; then
3978     numa=yes
3979     libs_softmmu="-lnuma $libs_softmmu"
3980   else
3981     if test "$numa" = "yes" ; then
3982       feature_not_found "numa" "install numactl devel"
3983     fi
3984     numa=no
3985   fi
3986 fi
3987
3988 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3989     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3990     exit 1
3991 fi
3992
3993 # Even if malloc_trim() is available, these non-libc memory allocators
3994 # do not support it.
3995 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
3996     if test "$malloc_trim" = "yes" ; then
3997         echo "Disabling malloc_trim with non-libc memory allocator"
3998     fi
3999     malloc_trim="no"
4000 fi
4001
4002 #######################################
4003 # malloc_trim
4004
4005 if test "$malloc_trim" != "no" ; then
4006     cat > $TMPC << EOF
4007 #include <malloc.h>
4008 int main(void) { malloc_trim(0); return 0; }
4009 EOF
4010     if compile_prog "" "" ; then
4011         malloc_trim="yes"
4012     else
4013         malloc_trim="no"
4014     fi
4015 fi
4016
4017 ##########################################
4018 # tcmalloc probe
4019
4020 if test "$tcmalloc" = "yes" ; then
4021   cat > $TMPC << EOF
4022 #include <stdlib.h>
4023 int main(void) { malloc(1); return 0; }
4024 EOF
4025
4026   if compile_prog "" "-ltcmalloc" ; then
4027     LIBS="-ltcmalloc $LIBS"
4028   else
4029     feature_not_found "tcmalloc" "install gperftools devel"
4030   fi
4031 fi
4032
4033 ##########################################
4034 # jemalloc probe
4035
4036 if test "$jemalloc" = "yes" ; then
4037   cat > $TMPC << EOF
4038 #include <stdlib.h>
4039 int main(void) { malloc(1); return 0; }
4040 EOF
4041
4042   if compile_prog "" "-ljemalloc" ; then
4043     LIBS="-ljemalloc $LIBS"
4044   else
4045     feature_not_found "jemalloc" "install jemalloc devel"
4046   fi
4047 fi
4048
4049 ##########################################
4050 # signalfd probe
4051 signalfd="no"
4052 cat > $TMPC << EOF
4053 #include <unistd.h>
4054 #include <sys/syscall.h>
4055 #include <signal.h>
4056 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4057 EOF
4058
4059 if compile_prog "" "" ; then
4060   signalfd=yes
4061 fi
4062
4063 # check if eventfd is supported
4064 eventfd=no
4065 cat > $TMPC << EOF
4066 #include <sys/eventfd.h>
4067
4068 int main(void)
4069 {
4070     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4071 }
4072 EOF
4073 if compile_prog "" "" ; then
4074   eventfd=yes
4075 fi
4076
4077 # check if memfd is supported
4078 memfd=no
4079 cat > $TMPC << EOF
4080 #include <sys/mman.h>
4081
4082 int main(void)
4083 {
4084     return memfd_create("foo", MFD_ALLOW_SEALING);
4085 }
4086 EOF
4087 if compile_prog "" "" ; then
4088   memfd=yes
4089 fi
4090
4091
4092
4093 # check for fallocate
4094 fallocate=no
4095 cat > $TMPC << EOF
4096 #include <fcntl.h>
4097
4098 int main(void)
4099 {
4100     fallocate(0, 0, 0, 0);
4101     return 0;
4102 }
4103 EOF
4104 if compile_prog "" "" ; then
4105   fallocate=yes
4106 fi
4107
4108 # check for fallocate hole punching
4109 fallocate_punch_hole=no
4110 cat > $TMPC << EOF
4111 #include <fcntl.h>
4112 #include <linux/falloc.h>
4113
4114 int main(void)
4115 {
4116     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4117     return 0;
4118 }
4119 EOF
4120 if compile_prog "" "" ; then
4121   fallocate_punch_hole=yes
4122 fi
4123
4124 # check that fallocate supports range zeroing inside the file
4125 fallocate_zero_range=no
4126 cat > $TMPC << EOF
4127 #include <fcntl.h>
4128 #include <linux/falloc.h>
4129
4130 int main(void)
4131 {
4132     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4133     return 0;
4134 }
4135 EOF
4136 if compile_prog "" "" ; then
4137   fallocate_zero_range=yes
4138 fi
4139
4140 # check for posix_fallocate
4141 posix_fallocate=no
4142 cat > $TMPC << EOF
4143 #include <fcntl.h>
4144
4145 int main(void)
4146 {
4147     posix_fallocate(0, 0, 0);
4148     return 0;
4149 }
4150 EOF
4151 if compile_prog "" "" ; then
4152     posix_fallocate=yes
4153 fi
4154
4155 # check for sync_file_range
4156 sync_file_range=no
4157 cat > $TMPC << EOF
4158 #include <fcntl.h>
4159
4160 int main(void)
4161 {
4162     sync_file_range(0, 0, 0, 0);
4163     return 0;
4164 }
4165 EOF
4166 if compile_prog "" "" ; then
4167   sync_file_range=yes
4168 fi
4169
4170 # check for linux/fiemap.h and FS_IOC_FIEMAP
4171 fiemap=no
4172 cat > $TMPC << EOF
4173 #include <sys/ioctl.h>
4174 #include <linux/fs.h>
4175 #include <linux/fiemap.h>
4176
4177 int main(void)
4178 {
4179     ioctl(0, FS_IOC_FIEMAP, 0);
4180     return 0;
4181 }
4182 EOF
4183 if compile_prog "" "" ; then
4184   fiemap=yes
4185 fi
4186
4187 # check for dup3
4188 dup3=no
4189 cat > $TMPC << EOF
4190 #include <unistd.h>
4191
4192 int main(void)
4193 {
4194     dup3(0, 0, 0);
4195     return 0;
4196 }
4197 EOF
4198 if compile_prog "" "" ; then
4199   dup3=yes
4200 fi
4201
4202 # check for ppoll support
4203 ppoll=no
4204 cat > $TMPC << EOF
4205 #include <poll.h>
4206
4207 int main(void)
4208 {
4209     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4210     ppoll(&pfd, 1, 0, 0);
4211     return 0;
4212 }
4213 EOF
4214 if compile_prog "" "" ; then
4215   ppoll=yes
4216 fi
4217
4218 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4219 prctl_pr_set_timerslack=no
4220 cat > $TMPC << EOF
4221 #include <sys/prctl.h>
4222
4223 int main(void)
4224 {
4225     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4226     return 0;
4227 }
4228 EOF
4229 if compile_prog "" "" ; then
4230   prctl_pr_set_timerslack=yes
4231 fi
4232
4233 # check for epoll support
4234 epoll=no
4235 cat > $TMPC << EOF
4236 #include <sys/epoll.h>
4237
4238 int main(void)
4239 {
4240     epoll_create(0);
4241     return 0;
4242 }
4243 EOF
4244 if compile_prog "" "" ; then
4245   epoll=yes
4246 fi
4247
4248 # epoll_create1 is a later addition
4249 # so we must check separately for its presence
4250 epoll_create1=no
4251 cat > $TMPC << EOF
4252 #include <sys/epoll.h>
4253
4254 int main(void)
4255 {
4256     /* Note that we use epoll_create1 as a value, not as
4257      * a function being called. This is necessary so that on
4258      * old SPARC glibc versions where the function was present in
4259      * the library but not declared in the header file we will
4260      * fail the configure check. (Otherwise we will get a compiler
4261      * warning but not an error, and will proceed to fail the
4262      * qemu compile where we compile with -Werror.)
4263      */
4264     return (int)(uintptr_t)&epoll_create1;
4265 }
4266 EOF
4267 if compile_prog "" "" ; then
4268   epoll_create1=yes
4269 fi
4270
4271 # check for sendfile support
4272 sendfile=no
4273 cat > $TMPC << EOF
4274 #include <sys/sendfile.h>
4275
4276 int main(void)
4277 {
4278     return sendfile(0, 0, 0, 0);
4279 }
4280 EOF
4281 if compile_prog "" "" ; then
4282   sendfile=yes
4283 fi
4284
4285 # check for timerfd support (glibc 2.8 and newer)
4286 timerfd=no
4287 cat > $TMPC << EOF
4288 #include <sys/timerfd.h>
4289
4290 int main(void)
4291 {
4292     return(timerfd_create(CLOCK_REALTIME, 0));
4293 }
4294 EOF
4295 if compile_prog "" "" ; then
4296   timerfd=yes
4297 fi
4298
4299 # check for setns and unshare support
4300 setns=no
4301 cat > $TMPC << EOF
4302 #include <sched.h>
4303
4304 int main(void)
4305 {
4306     int ret;
4307     ret = setns(0, 0);
4308     ret = unshare(0);
4309     return ret;
4310 }
4311 EOF
4312 if compile_prog "" "" ; then
4313   setns=yes
4314 fi
4315
4316 # clock_adjtime probe
4317 clock_adjtime=no
4318 cat > $TMPC <<EOF
4319 #include <time.h>
4320
4321 int main(void)
4322 {
4323     return clock_adjtime(0, 0);
4324 }
4325 EOF
4326 clock_adjtime=no
4327 if compile_prog "" "" ; then
4328   clock_adjtime=yes
4329 fi
4330
4331 # syncfs probe
4332 syncfs=no
4333 cat > $TMPC <<EOF
4334 #include <unistd.h>
4335
4336 int main(void)
4337 {
4338     return syncfs(0);
4339 }
4340 EOF
4341 syncfs=no
4342 if compile_prog "" "" ; then
4343   syncfs=yes
4344 fi
4345
4346 # Check if tools are available to build documentation.
4347 if test "$docs" != "no" ; then
4348   if has makeinfo && has pod2man; then
4349     docs=yes
4350   else
4351     if test "$docs" = "yes" ; then
4352       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4353     fi
4354     docs=no
4355   fi
4356 fi
4357
4358 if test "$want_tools" = ""; then
4359   if test $(expr "$target_list" : ".*softmmu.*") != 0; then
4360     want_tools=yes
4361   else
4362     want_tools=no
4363   fi
4364 fi
4365
4366 # Search for bswap_32 function
4367 byteswap_h=no
4368 cat > $TMPC << EOF
4369 #include <byteswap.h>
4370 int main(void) { return bswap_32(0); }
4371 EOF
4372 if compile_prog "" "" ; then
4373   byteswap_h=yes
4374 fi
4375
4376 # Search for bswap32 function
4377 bswap_h=no
4378 cat > $TMPC << EOF
4379 #include <sys/endian.h>
4380 #include <sys/types.h>
4381 #include <machine/bswap.h>
4382 int main(void) { return bswap32(0); }
4383 EOF
4384 if compile_prog "" "" ; then
4385   bswap_h=yes
4386 fi
4387
4388 ##########################################
4389 # Do we have libiscsi >= 1.9.0
4390 if test "$libiscsi" != "no" ; then
4391   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4392     libiscsi="yes"
4393     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4394     libiscsi_libs=$($pkg_config --libs libiscsi)
4395   else
4396     if test "$libiscsi" = "yes" ; then
4397       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4398     fi
4399     libiscsi="no"
4400   fi
4401 fi
4402
4403 ##########################################
4404 # Do we need libm
4405 cat > $TMPC << EOF
4406 #include <math.h>
4407 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4408 EOF
4409 if compile_prog "" "" ; then
4410   :
4411 elif compile_prog "" "-lm" ; then
4412   LIBS="-lm $LIBS"
4413   libs_qga="-lm $libs_qga"
4414 else
4415   error_exit "libm check failed"
4416 fi
4417
4418 ##########################################
4419 # Do we need librt
4420 # uClibc provides 2 versions of clock_gettime(), one with realtime
4421 # support and one without. This means that the clock_gettime() don't
4422 # need -lrt. We still need it for timer_create() so we check for this
4423 # function in addition.
4424 cat > $TMPC <<EOF
4425 #include <signal.h>
4426 #include <time.h>
4427 int main(void) {
4428   timer_create(CLOCK_REALTIME, NULL, NULL);
4429   return clock_gettime(CLOCK_REALTIME, NULL);
4430 }
4431 EOF
4432
4433 if compile_prog "" "" ; then
4434   :
4435 # we need pthread for static linking. use previous pthread test result
4436 elif compile_prog "" "$pthread_lib -lrt" ; then
4437   LIBS="$LIBS -lrt"
4438   libs_qga="$libs_qga -lrt"
4439 fi
4440
4441 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4442         "$haiku" != "yes" ; then
4443     libs_softmmu="-lutil $libs_softmmu"
4444 fi
4445
4446 ##########################################
4447 # spice probe
4448 if test "$spice" != "no" ; then
4449   cat > $TMPC << EOF
4450 #include <spice.h>
4451 int main(void) { spice_server_new(); return 0; }
4452 EOF
4453   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4454   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4455   if $pkg_config --atleast-version=0.12.0 spice-server && \
4456      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4457      compile_prog "$spice_cflags" "$spice_libs" ; then
4458     spice="yes"
4459     libs_softmmu="$libs_softmmu $spice_libs"
4460     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4461     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4462     spice_server_version=$($pkg_config --modversion spice-server)
4463   else
4464     if test "$spice" = "yes" ; then
4465       feature_not_found "spice" \
4466           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4467     fi
4468     spice="no"
4469   fi
4470 fi
4471
4472 # check for smartcard support
4473 if test "$smartcard" != "no"; then
4474     if $pkg_config libcacard; then
4475         libcacard_cflags=$($pkg_config --cflags libcacard)
4476         libcacard_libs=$($pkg_config --libs libcacard)
4477         smartcard="yes"
4478     else
4479         if test "$smartcard" = "yes"; then
4480             feature_not_found "smartcard" "Install libcacard devel"
4481         fi
4482         smartcard="no"
4483     fi
4484 fi
4485
4486 # check for libusb
4487 if test "$libusb" != "no" ; then
4488     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4489         libusb="yes"
4490         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4491         libusb_libs=$($pkg_config --libs libusb-1.0)
4492     else
4493         if test "$libusb" = "yes"; then
4494             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4495         fi
4496         libusb="no"
4497     fi
4498 fi
4499
4500 # check for usbredirparser for usb network redirection support
4501 if test "$usb_redir" != "no" ; then
4502     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4503         usb_redir="yes"
4504         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4505         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4506     else
4507         if test "$usb_redir" = "yes"; then
4508             feature_not_found "usb-redir" "Install usbredir devel"
4509         fi
4510         usb_redir="no"
4511     fi
4512 fi
4513
4514 ##########################################
4515 # check if we have VSS SDK headers for win
4516
4517 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4518   case "$vss_win32_sdk" in
4519     "")   vss_win32_include="-isystem $source_path" ;;
4520     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4521           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4522           vss_win32_include="-isystem $source_path/.sdk/vss"
4523           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4524           ;;
4525     *)    vss_win32_include="-isystem $vss_win32_sdk"
4526   esac
4527   cat > $TMPC << EOF
4528 #define __MIDL_user_allocate_free_DEFINED__
4529 #include <inc/win2003/vss.h>
4530 int main(void) { return VSS_CTX_BACKUP; }
4531 EOF
4532   if compile_prog "$vss_win32_include" "" ; then
4533     guest_agent_with_vss="yes"
4534     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4535     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4536     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4537   else
4538     if test "$vss_win32_sdk" != "" ; then
4539       echo "ERROR: Please download and install Microsoft VSS SDK:"
4540       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4541       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4542       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4543       echo "ERROR: The headers are extracted in the directory \`inc'."
4544       feature_not_found "VSS support"
4545     fi
4546     guest_agent_with_vss="no"
4547   fi
4548 fi
4549
4550 ##########################################
4551 # lookup Windows platform SDK (if not specified)
4552 # The SDK is needed only to build .tlb (type library) file of guest agent
4553 # VSS provider from the source. It is usually unnecessary because the
4554 # pre-compiled .tlb file is included.
4555
4556 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4557   if test -z "$win_sdk"; then
4558     programfiles="$PROGRAMFILES"
4559     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4560     if test -n "$programfiles"; then
4561       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4562     else
4563       feature_not_found "Windows SDK"
4564     fi
4565   elif test "$win_sdk" = "no"; then
4566     win_sdk=""
4567   fi
4568 fi
4569
4570 ##########################################
4571 # check if mingw environment provides a recent ntddscsi.h
4572 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4573   cat > $TMPC << EOF
4574 #include <windows.h>
4575 #include <ntddscsi.h>
4576 int main(void) {
4577 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4578 #error Missing required ioctl definitions
4579 #endif
4580   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4581   return addr.Lun;
4582 }
4583 EOF
4584   if compile_prog "" "" ; then
4585     guest_agent_ntddscsi=yes
4586     libs_qga="-lsetupapi $libs_qga"
4587   fi
4588 fi
4589
4590 ##########################################
4591 # virgl renderer probe
4592
4593 if test "$virglrenderer" != "no" ; then
4594   cat > $TMPC << EOF
4595 #include <virglrenderer.h>
4596 int main(void) { virgl_renderer_poll(); return 0; }
4597 EOF
4598   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4599   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4600   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4601      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4602     virglrenderer="yes"
4603   else
4604     if test "$virglrenderer" = "yes" ; then
4605       feature_not_found "virglrenderer"
4606     fi
4607     virglrenderer="no"
4608   fi
4609 fi
4610
4611 ##########################################
4612 # capstone
4613
4614 case "$capstone" in
4615   "" | yes)
4616     if $pkg_config capstone; then
4617       capstone=system
4618     elif test -e "${source_path}/.git" -a $git_update = 'yes' ; then
4619       capstone=git
4620     elif test -e "${source_path}/capstone/Makefile" ; then
4621       capstone=internal
4622     elif test -z "$capstone" ; then
4623       capstone=no
4624     else
4625       feature_not_found "capstone" "Install capstone devel or git submodule"
4626     fi
4627     ;;
4628
4629   system)
4630     if ! $pkg_config capstone; then
4631       feature_not_found "capstone" "Install capstone devel"
4632     fi
4633     ;;
4634 esac
4635
4636 case "$capstone" in
4637   git | internal)
4638     if test "$capstone" = git; then
4639       git_submodules="${git_submodules} capstone"
4640     fi
4641     mkdir -p capstone
4642     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4643     if test "$mingw32" = "yes"; then
4644       LIBCAPSTONE=capstone.lib
4645     else
4646       LIBCAPSTONE=libcapstone.a
4647     fi
4648     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4649     ;;
4650
4651   system)
4652     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4653     LIBS="$($pkg_config --libs capstone) $LIBS"
4654     ;;
4655
4656   no)
4657     ;;
4658   *)
4659     error_exit "Unknown state for capstone: $capstone"
4660     ;;
4661 esac
4662
4663 ##########################################
4664 # check if we have fdatasync
4665
4666 fdatasync=no
4667 cat > $TMPC << EOF
4668 #include <unistd.h>
4669 int main(void) {
4670 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4671 return fdatasync(0);
4672 #else
4673 #error Not supported
4674 #endif
4675 }
4676 EOF
4677 if compile_prog "" "" ; then
4678     fdatasync=yes
4679 fi
4680
4681 ##########################################
4682 # check if we have madvise
4683
4684 madvise=no
4685 cat > $TMPC << EOF
4686 #include <sys/types.h>
4687 #include <sys/mman.h>
4688 #include <stddef.h>
4689 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4690 EOF
4691 if compile_prog "" "" ; then
4692     madvise=yes
4693 fi
4694
4695 ##########################################
4696 # check if we have posix_madvise
4697
4698 posix_madvise=no
4699 cat > $TMPC << EOF
4700 #include <sys/mman.h>
4701 #include <stddef.h>
4702 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4703 EOF
4704 if compile_prog "" "" ; then
4705     posix_madvise=yes
4706 fi
4707
4708 ##########################################
4709 # check if we have posix_memalign()
4710
4711 posix_memalign=no
4712 cat > $TMPC << EOF
4713 #include <stdlib.h>
4714 int main(void) {
4715     void *p;
4716     return posix_memalign(&p, 8, 8);
4717 }
4718 EOF
4719 if compile_prog "" "" ; then
4720     posix_memalign=yes
4721 fi
4722
4723 ##########################################
4724 # check if we have posix_syslog
4725
4726 posix_syslog=no
4727 cat > $TMPC << EOF
4728 #include <syslog.h>
4729 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4730 EOF
4731 if compile_prog "" "" ; then
4732     posix_syslog=yes
4733 fi
4734
4735 ##########################################
4736 # check if we have sem_timedwait
4737
4738 sem_timedwait=no
4739 cat > $TMPC << EOF
4740 #include <semaphore.h>
4741 int main(void) { return sem_timedwait(0, 0); }
4742 EOF
4743 if compile_prog "" "" ; then
4744     sem_timedwait=yes
4745 fi
4746
4747 ##########################################
4748 # check if trace backend exists
4749
4750 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4751 if test "$?" -ne 0 ; then
4752   error_exit "invalid trace backends" \
4753       "Please choose supported trace backends."
4754 fi
4755
4756 ##########################################
4757 # For 'ust' backend, test if ust headers are present
4758 if have_backend "ust"; then
4759   cat > $TMPC << EOF
4760 #include <lttng/tracepoint.h>
4761 int main(void) { return 0; }
4762 EOF
4763   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4764     if $pkg_config lttng-ust --exists; then
4765       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4766     else
4767       lttng_ust_libs="-llttng-ust -ldl"
4768     fi
4769     if $pkg_config liburcu-bp --exists; then
4770       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4771     else
4772       urcu_bp_libs="-lurcu-bp"
4773     fi
4774
4775     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4776     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4777   else
4778     error_exit "Trace backend 'ust' missing lttng-ust header files"
4779   fi
4780 fi
4781
4782 ##########################################
4783 # For 'dtrace' backend, test if 'dtrace' command is present
4784 if have_backend "dtrace"; then
4785   if ! has 'dtrace' ; then
4786     error_exit "dtrace command is not found in PATH $PATH"
4787   fi
4788   trace_backend_stap="no"
4789   if has 'stap' ; then
4790     trace_backend_stap="yes"
4791   fi
4792 fi
4793
4794 ##########################################
4795 # check and set a backend for coroutine
4796
4797 # We prefer ucontext, but it's not always possible. The fallback
4798 # is sigcontext. On Windows the only valid backend is the Windows
4799 # specific one.
4800
4801 ucontext_works=no
4802 if test "$darwin" != "yes"; then
4803   cat > $TMPC << EOF
4804 #include <ucontext.h>
4805 #ifdef __stub_makecontext
4806 #error Ignoring glibc stub makecontext which will always fail
4807 #endif
4808 int main(void) { makecontext(0, 0, 0); return 0; }
4809 EOF
4810   if compile_prog "" "" ; then
4811     ucontext_works=yes
4812   fi
4813 fi
4814
4815 if test "$coroutine" = ""; then
4816   if test "$mingw32" = "yes"; then
4817     coroutine=win32
4818   elif test "$ucontext_works" = "yes"; then
4819     coroutine=ucontext
4820   else
4821     coroutine=sigaltstack
4822   fi
4823 else
4824   case $coroutine in
4825   windows)
4826     if test "$mingw32" != "yes"; then
4827       error_exit "'windows' coroutine backend only valid for Windows"
4828     fi
4829     # Unfortunately the user visible backend name doesn't match the
4830     # coroutine-*.c filename for this case, so we have to adjust it here.
4831     coroutine=win32
4832     ;;
4833   ucontext)
4834     if test "$ucontext_works" != "yes"; then
4835       feature_not_found "ucontext"
4836     fi
4837     ;;
4838   sigaltstack)
4839     if test "$mingw32" = "yes"; then
4840       error_exit "only the 'windows' coroutine backend is valid for Windows"
4841     fi
4842     ;;
4843   *)
4844     error_exit "unknown coroutine backend $coroutine"
4845     ;;
4846   esac
4847 fi
4848
4849 if test "$coroutine_pool" = ""; then
4850   if test "$coroutine" = "gthread" -o "$coroutine" = "win32"; then
4851     coroutine_pool=no
4852   else
4853     coroutine_pool=yes
4854   fi
4855 fi
4856 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4857   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4858 fi
4859
4860 if test "$debug_stack_usage" = "yes"; then
4861   if test "$coroutine_pool" = "yes"; then
4862     echo "WARN: disabling coroutine pool for stack usage debugging"
4863     coroutine_pool=no
4864   fi
4865 fi
4866
4867
4868 ##########################################
4869 # check if we have open_by_handle_at
4870
4871 open_by_handle_at=no
4872 cat > $TMPC << EOF
4873 #include <fcntl.h>
4874 #if !defined(AT_EMPTY_PATH)
4875 # error missing definition
4876 #else
4877 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4878 #endif
4879 EOF
4880 if compile_prog "" "" ; then
4881     open_by_handle_at=yes
4882 fi
4883
4884 ########################################
4885 # check if we have linux/magic.h
4886
4887 linux_magic_h=no
4888 cat > $TMPC << EOF
4889 #include <linux/magic.h>
4890 int main(void) {
4891   return 0;
4892 }
4893 EOF
4894 if compile_prog "" "" ; then
4895     linux_magic_h=yes
4896 fi
4897
4898 ########################################
4899 # check whether we can disable warning option with a pragma (this is needed
4900 # to silence warnings in the headers of some versions of external libraries).
4901 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4902 # only a warning.
4903 #
4904 # If we can't selectively disable warning in the code, disable -Werror so that
4905 # the build doesn't fail anyway.
4906
4907 pragma_disable_unused_but_set=no
4908 cat > $TMPC << EOF
4909 #pragma GCC diagnostic push
4910 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4911 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4912 #pragma GCC diagnostic pop
4913
4914 int main(void) {
4915     return 0;
4916 }
4917 EOF
4918 if compile_prog "-Werror" "" ; then
4919     pragma_diagnostic_available=yes
4920 fi
4921
4922 ########################################
4923 # check if we have valgrind/valgrind.h
4924
4925 valgrind_h=no
4926 cat > $TMPC << EOF
4927 #include <valgrind/valgrind.h>
4928 int main(void) {
4929   return 0;
4930 }
4931 EOF
4932 if compile_prog "" "" ; then
4933     valgrind_h=yes
4934 fi
4935
4936 ########################################
4937 # check if environ is declared
4938
4939 has_environ=no
4940 cat > $TMPC << EOF
4941 #include <unistd.h>
4942 int main(void) {
4943     environ = 0;
4944     return 0;
4945 }
4946 EOF
4947 if compile_prog "" "" ; then
4948     has_environ=yes
4949 fi
4950
4951 ########################################
4952 # check if cpuid.h is usable.
4953
4954 cat > $TMPC << EOF
4955 #include <cpuid.h>
4956 int main(void) {
4957     unsigned a, b, c, d;
4958     int max = __get_cpuid_max(0, 0);
4959
4960     if (max >= 1) {
4961         __cpuid(1, a, b, c, d);
4962     }
4963
4964     if (max >= 7) {
4965         __cpuid_count(7, 0, a, b, c, d);
4966     }
4967
4968     return 0;
4969 }
4970 EOF
4971 if compile_prog "" "" ; then
4972     cpuid_h=yes
4973 fi
4974
4975 ##########################################
4976 # avx2 optimization requirement check
4977 #
4978 # There is no point enabling this if cpuid.h is not usable,
4979 # since we won't be able to select the new routines.
4980
4981 if test $cpuid_h = yes; then
4982   cat > $TMPC << EOF
4983 #pragma GCC push_options
4984 #pragma GCC target("avx2")
4985 #include <cpuid.h>
4986 #include <immintrin.h>
4987 static int bar(void *a) {
4988     __m256i x = *(__m256i *)a;
4989     return _mm256_testz_si256(x, x);
4990 }
4991 int main(int argc, char *argv[]) { return bar(argv[0]); }
4992 EOF
4993   if compile_object "" ; then
4994     avx2_opt="yes"
4995   fi
4996 fi
4997
4998 ########################################
4999 # check if __[u]int128_t is usable.
5000
5001 int128=no
5002 cat > $TMPC << EOF
5003 #if defined(__clang_major__) && defined(__clang_minor__)
5004 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
5005 #  error __int128_t does not work in CLANG before 3.2
5006 # endif
5007 #endif
5008 __int128_t a;
5009 __uint128_t b;
5010 int main (void) {
5011   a = a + b;
5012   b = a * b;
5013   a = a * a;
5014   return 0;
5015 }
5016 EOF
5017 if compile_prog "" "" ; then
5018     int128=yes
5019 fi
5020
5021 #########################################
5022 # See if 128-bit atomic operations are supported.
5023
5024 atomic128=no
5025 if test "$int128" = "yes"; then
5026   cat > $TMPC << EOF
5027 int main(void)
5028 {
5029   unsigned __int128 x = 0, y = 0;
5030   y = __atomic_load_16(&x, 0);
5031   __atomic_store_16(&x, y, 0);
5032   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5033   return 0;
5034 }
5035 EOF
5036   if compile_prog "" "" ; then
5037     atomic128=yes
5038   fi
5039 fi
5040
5041 #########################################
5042 # See if 64-bit atomic operations are supported.
5043 # Note that without __atomic builtins, we can only
5044 # assume atomic loads/stores max at pointer size.
5045
5046 cat > $TMPC << EOF
5047 #include <stdint.h>
5048 int main(void)
5049 {
5050   uint64_t x = 0, y = 0;
5051 #ifdef __ATOMIC_RELAXED
5052   y = __atomic_load_8(&x, 0);
5053   __atomic_store_8(&x, y, 0);
5054   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5055   __atomic_exchange_8(&x, y, 0);
5056   __atomic_fetch_add_8(&x, y, 0);
5057 #else
5058   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5059   __sync_lock_test_and_set(&x, y);
5060   __sync_val_compare_and_swap(&x, y, 0);
5061   __sync_fetch_and_add(&x, y);
5062 #endif
5063   return 0;
5064 }
5065 EOF
5066 if compile_prog "" "" ; then
5067   atomic64=yes
5068 fi
5069
5070 ########################################
5071 # See if 16-byte vector operations are supported.
5072 # Even without a vector unit the compiler may expand these.
5073 # There is a bug in old GCC for PPC that crashes here.
5074 # Unfortunately it's the system compiler for Centos 7.
5075
5076 cat > $TMPC << EOF
5077 typedef unsigned char U1 __attribute__((vector_size(16)));
5078 typedef unsigned short U2 __attribute__((vector_size(16)));
5079 typedef unsigned int U4 __attribute__((vector_size(16)));
5080 typedef unsigned long long U8 __attribute__((vector_size(16)));
5081 typedef signed char S1 __attribute__((vector_size(16)));
5082 typedef signed short S2 __attribute__((vector_size(16)));
5083 typedef signed int S4 __attribute__((vector_size(16)));
5084 typedef signed long long S8 __attribute__((vector_size(16)));
5085 static U1 a1, b1;
5086 static U2 a2, b2;
5087 static U4 a4, b4;
5088 static U8 a8, b8;
5089 static S1 c1;
5090 static S2 c2;
5091 static S4 c4;
5092 static S8 c8;
5093 static int i;
5094 int main(void)
5095 {
5096   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5097   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5098   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5099   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5100   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5101   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5102   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5103   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5104   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5105   return 0;
5106 }
5107 EOF
5108
5109 vector16=no
5110 if compile_prog "" "" ; then
5111   vector16=yes
5112 fi
5113
5114 ########################################
5115 # check if getauxval is available.
5116
5117 getauxval=no
5118 cat > $TMPC << EOF
5119 #include <sys/auxv.h>
5120 int main(void) {
5121   return getauxval(AT_HWCAP) == 0;
5122 }
5123 EOF
5124 if compile_prog "" "" ; then
5125     getauxval=yes
5126 fi
5127
5128 ########################################
5129 # check if ccache is interfering with
5130 # semantic analysis of macros
5131
5132 unset CCACHE_CPP2
5133 ccache_cpp2=no
5134 cat > $TMPC << EOF
5135 static const int Z = 1;
5136 #define fn() ({ Z; })
5137 #define TAUT(X) ((X) == Z)
5138 #define PAREN(X, Y) (X == Y)
5139 #define ID(X) (X)
5140 int main(int argc, char *argv[])
5141 {
5142     int x = 0, y = 0;
5143     x = ID(x);
5144     x = fn();
5145     fn();
5146     if (PAREN(x, y)) return 0;
5147     if (TAUT(Z)) return 0;
5148     return 0;
5149 }
5150 EOF
5151
5152 if ! compile_object "-Werror"; then
5153     ccache_cpp2=yes
5154 fi
5155
5156 #################################################
5157 # clang does not support glibc + FORTIFY_SOURCE.
5158
5159 if test "$fortify_source" != "no"; then
5160   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5161     fortify_source="no";
5162   elif test -n "$cxx" && has $cxx &&
5163        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5164     fortify_source="no";
5165   else
5166     fortify_source="yes"
5167   fi
5168 fi
5169
5170 ##########################################
5171 # check if struct fsxattr is available via linux/fs.h
5172
5173 have_fsxattr=no
5174 cat > $TMPC << EOF
5175 #include <linux/fs.h>
5176 struct fsxattr foo;
5177 int main(void) {
5178   return 0;
5179 }
5180 EOF
5181 if compile_prog "" "" ; then
5182     have_fsxattr=yes
5183 fi
5184
5185 ##########################################
5186 # check if rtnetlink.h exists and is useful
5187 have_rtnetlink=no
5188 cat > $TMPC << EOF
5189 #include <linux/rtnetlink.h>
5190 int main(void) {
5191   return IFLA_PROTO_DOWN;
5192 }
5193 EOF
5194 if compile_prog "" "" ; then
5195     have_rtnetlink=yes
5196 fi
5197
5198 ##########################################
5199 # check for usable AF_VSOCK environment
5200 have_af_vsock=no
5201 cat > $TMPC << EOF
5202 #include <errno.h>
5203 #include <sys/types.h>
5204 #include <sys/socket.h>
5205 #if !defined(AF_VSOCK)
5206 # error missing AF_VSOCK flag
5207 #endif
5208 #include <linux/vm_sockets.h>
5209 int main(void) {
5210     int sock, ret;
5211     struct sockaddr_vm svm;
5212     socklen_t len = sizeof(svm);
5213     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5214     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5215     if ((ret == -1) && (errno == ENOTCONN)) {
5216         return 0;
5217     }
5218     return -1;
5219 }
5220 EOF
5221 if compile_prog "" "" ; then
5222     have_af_vsock=yes
5223 fi
5224
5225 ##########################################
5226 # check for usable AF_ALG environment
5227 hava_afalg=no
5228 cat > $TMPC << EOF
5229 #include <errno.h>
5230 #include <sys/types.h>
5231 #include <sys/socket.h>
5232 #include <linux/if_alg.h>
5233 int main(void) {
5234     int sock;
5235     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5236     return sock;
5237 }
5238 EOF
5239 if compile_prog "" "" ; then
5240     have_afalg=yes
5241 fi
5242 if test "$crypto_afalg" = "yes"
5243 then
5244     if test "$have_afalg" != "yes"
5245     then
5246         error_exit "AF_ALG requested but could not be detected"
5247     fi
5248 fi
5249
5250
5251 #################################################
5252 # Check to see if we have the Hypervisor framework
5253 if [ "$darwin" = "yes" ] ; then
5254   cat > $TMPC << EOF
5255 #include <Hypervisor/hv.h>
5256 int main() { return 0;}
5257 EOF
5258   if ! compile_object ""; then
5259     hvf='no'
5260   else
5261     hvf='yes'
5262     LDFLAGS="-framework Hypervisor $LDFLAGS"
5263   fi
5264 fi
5265
5266 #################################################
5267 # Sparc implicitly links with --relax, which is
5268 # incompatible with -r, so --no-relax should be
5269 # given. It does no harm to give it on other
5270 # platforms too.
5271
5272 # Note: the prototype is needed since QEMU_CFLAGS
5273 #       contains -Wmissing-prototypes
5274 cat > $TMPC << EOF
5275 extern int foo(void);
5276 int foo(void) { return 0; }
5277 EOF
5278 if ! compile_object ""; then
5279   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5280 fi
5281 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5282   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5283     LD_REL_FLAGS=$i
5284     break
5285   fi
5286 done
5287 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5288   feature_not_found "modules" "Cannot find how to build relocatable objects"
5289 fi
5290
5291 ##########################################
5292 # check for sysmacros.h
5293
5294 have_sysmacros=no
5295 cat > $TMPC << EOF
5296 #include <sys/sysmacros.h>
5297 int main(void) {
5298     return makedev(0, 0);
5299 }
5300 EOF
5301 if compile_prog "" "" ; then
5302     have_sysmacros=yes
5303 fi
5304
5305 ##########################################
5306 # Veritas HyperScale block driver VxHS
5307 # Check if libvxhs is installed
5308
5309 if test "$vxhs" != "no" ; then
5310   cat > $TMPC <<EOF
5311 #include <stdint.h>
5312 #include <qnio/qnio_api.h>
5313
5314 void *vxhs_callback;
5315
5316 int main(void) {
5317     iio_init(QNIO_VERSION, vxhs_callback);
5318     return 0;
5319 }
5320 EOF
5321   vxhs_libs="-lvxhs -lssl"
5322   if compile_prog "" "$vxhs_libs" ; then
5323     vxhs=yes
5324   else
5325     if test "$vxhs" = "yes" ; then
5326       feature_not_found "vxhs block device" "Install libvxhs See github"
5327     fi
5328     vxhs=no
5329   fi
5330 fi
5331
5332 ##########################################
5333 # check for _Static_assert()
5334
5335 have_static_assert=no
5336 cat > $TMPC << EOF
5337 _Static_assert(1, "success");
5338 int main(void) {
5339     return 0;
5340 }
5341 EOF
5342 if compile_prog "" "" ; then
5343     have_static_assert=yes
5344 fi
5345
5346 ##########################################
5347 # check for utmpx.h, it is missing e.g. on OpenBSD
5348
5349 have_utmpx=no
5350 cat > $TMPC << EOF
5351 #include <utmpx.h>
5352 struct utmpx user_info;
5353 int main(void) {
5354     return 0;
5355 }
5356 EOF
5357 if compile_prog "" "" ; then
5358     have_utmpx=yes
5359 fi
5360
5361 ##########################################
5362 # checks for sanitizers
5363
5364 # we could use a simple skeleton for flags checks, but this also
5365 # detect the static linking issue of ubsan, see also:
5366 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5367 cat > $TMPC << EOF
5368 #include <stdint.h>
5369 int main(void) {
5370   return INT32_MIN / -1;
5371 }
5372 EOF
5373
5374 have_asan=no
5375 have_ubsan=no
5376 have_asan_iface_h=no
5377 have_asan_iface_fiber=no
5378
5379 if test "$sanitizers" = "yes" ; then
5380   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5381       have_asan=yes
5382   fi
5383   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5384       have_ubsan=yes
5385   fi
5386
5387   if check_include "sanitizer/asan_interface.h" ; then
5388       have_asan_iface_h=yes
5389   fi
5390
5391   cat > $TMPC << EOF
5392 #include <sanitizer/asan_interface.h>
5393 int main(void) {
5394   __sanitizer_start_switch_fiber(0, 0, 0);
5395   return 0;
5396 }
5397 EOF
5398   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5399       have_asan_iface_fiber=yes
5400   fi
5401 fi
5402
5403 ##########################################
5404 # End of CC checks
5405 # After here, no more $cc or $ld runs
5406
5407 write_c_skeleton
5408
5409 if test "$gcov" = "yes" ; then
5410   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5411   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5412 elif test "$fortify_source" = "yes" ; then
5413   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5414 elif test "$debug" = "yes"; then
5415   if compile_prog "-Og" ""; then
5416       CFLAGS="-Og $CFLAGS"
5417   elif compile_prog "-O1" ""; then
5418       CFLAGS="-O1 $CFLAGS"
5419   fi
5420   # Workaround GCC false-positive Wuninitialized bugs with Og or O1:
5421   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639
5422   if cc_has_warning_flag "-Wno-maybe-uninitialized"; then
5423       CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
5424   fi
5425 else
5426     CFLAGS="-O2 $CFLAGS"
5427 fi
5428
5429 if test "$have_asan" = "yes"; then
5430   CFLAGS="-fsanitize=address $CFLAGS"
5431   if test "$have_asan_iface_h" = "no" ; then
5432       echo "ASAN build enabled, but ASAN header missing." \
5433            "Without code annotation, the report may be inferior."
5434   elif test "$have_asan_iface_fiber" = "no" ; then
5435       echo "ASAN build enabled, but ASAN header is too old." \
5436            "Without code annotation, the report may be inferior."
5437   fi
5438 fi
5439 if test "$have_ubsan" = "yes"; then
5440   CFLAGS="-fsanitize=undefined $CFLAGS"
5441 fi
5442
5443 ##########################################
5444 # Do we have libnfs
5445 if test "$libnfs" != "no" ; then
5446   if $pkg_config --atleast-version=1.9.3 libnfs; then
5447     libnfs="yes"
5448     libnfs_libs=$($pkg_config --libs libnfs)
5449   else
5450     if test "$libnfs" = "yes" ; then
5451       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5452     fi
5453     libnfs="no"
5454   fi
5455 fi
5456
5457 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5458 if test "$werror" = "yes"; then
5459     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5460 fi
5461
5462 if test "$solaris" = "no" ; then
5463     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5464         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5465     fi
5466 fi
5467
5468 # test if pod2man has --utf8 option
5469 if pod2man --help | grep -q utf8; then
5470     POD2MAN="pod2man --utf8"
5471 else
5472     POD2MAN="pod2man"
5473 fi
5474
5475 # Use large addresses, ASLR, no-SEH and DEP if available.
5476 if test "$mingw32" = "yes" ; then
5477     if test "$cpu" = i386; then
5478         LDFLAGS="-Wl,--large-address-aware $LDFLAGS"
5479     fi
5480     for flag in --dynamicbase --no-seh --nxcompat; do
5481         if ld_has $flag ; then
5482             LDFLAGS="-Wl,$flag $LDFLAGS"
5483         fi
5484     done
5485 fi
5486
5487 qemu_confdir=$sysconfdir$confsuffix
5488 qemu_moddir=$libdir$confsuffix
5489 qemu_datadir=$datadir$confsuffix
5490 qemu_localedir="$datadir/locale"
5491
5492 # We can only support ivshmem if we have eventfd
5493 if [ "$eventfd" = "yes" ]; then
5494   ivshmem=yes
5495 fi
5496
5497 tools=""
5498 tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
5499 if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5500   tools="qemu-nbd\$(EXESUF) $tools"
5501 fi
5502 if [ "$ivshmem" = "yes" ]; then
5503   tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5504 fi
5505 if test "$softmmu" = yes ; then
5506   if test "$linux" = yes; then
5507     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5508       virtfs=yes
5509       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5510     else
5511       if test "$virtfs" = yes; then
5512         error_exit "VirtFS requires libcap devel and libattr devel"
5513       fi
5514       virtfs=no
5515     fi
5516     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5517       mpath=yes
5518     else
5519       if test "$mpath" = yes; then
5520         error_exit "Multipath requires libmpathpersist devel"
5521       fi
5522       mpath=no
5523     fi
5524     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5525   else
5526     if test "$virtfs" = yes; then
5527       error_exit "VirtFS is supported only on Linux"
5528     fi
5529     virtfs=no
5530     if test "$mpath" = yes; then
5531       error_exit "Multipath is supported only on Linux"
5532     fi
5533     mpath=no
5534   fi
5535   if test "$xkbcommon" = "yes"; then
5536     tools="qemu-keymap\$(EXESUF) $tools"
5537   fi
5538 fi
5539
5540 # Probe for guest agent support/options
5541
5542 if [ "$guest_agent" != "no" ]; then
5543   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5544       tools="qemu-ga $tools"
5545       guest_agent=yes
5546   elif [ "$guest_agent" != yes ]; then
5547       guest_agent=no
5548   else
5549       error_exit "Guest agent is not supported on this platform"
5550   fi
5551 fi
5552
5553 # Guest agent Window MSI  package
5554
5555 if test "$guest_agent" != yes; then
5556   if test "$guest_agent_msi" = yes; then
5557     error_exit "MSI guest agent package requires guest agent enabled"
5558   fi
5559   guest_agent_msi=no
5560 elif test "$mingw32" != "yes"; then
5561   if test "$guest_agent_msi" = "yes"; then
5562     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5563   fi
5564   guest_agent_msi=no
5565 elif ! has wixl; then
5566   if test "$guest_agent_msi" = "yes"; then
5567     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5568   fi
5569   guest_agent_msi=no
5570 else
5571   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5572   # disabled explicitly
5573   if test "$guest_agent_msi" != "no"; then
5574     guest_agent_msi=yes
5575   fi
5576 fi
5577
5578 if test "$guest_agent_msi" = "yes"; then
5579   if test "$guest_agent_with_vss" = "yes"; then
5580     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5581   fi
5582
5583   if test "$QEMU_GA_MANUFACTURER" = ""; then
5584     QEMU_GA_MANUFACTURER=QEMU
5585   fi
5586
5587   if test "$QEMU_GA_DISTRO" = ""; then
5588     QEMU_GA_DISTRO=Linux
5589   fi
5590
5591   if test "$QEMU_GA_VERSION" = ""; then
5592       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5593   fi
5594
5595   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5596
5597   case "$cpu" in
5598   x86_64)
5599     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5600     ;;
5601   i386)
5602     QEMU_GA_MSI_ARCH="-D Arch=32"
5603     ;;
5604   *)
5605     error_exit "CPU $cpu not supported for building installation package"
5606     ;;
5607   esac
5608 fi
5609
5610 # Mac OS X ships with a broken assembler
5611 roms=
5612 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5613         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5614         "$softmmu" = yes ; then
5615     # Different host OS linkers have different ideas about the name of the ELF
5616     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5617     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5618     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5619         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5620             ld_i386_emulation="$emu"
5621             roms="optionrom"
5622             break
5623         fi
5624     done
5625 fi
5626 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5627   roms="$roms spapr-rtas"
5628 fi
5629
5630 if test "$cpu" = "s390x" ; then
5631   roms="$roms s390-ccw"
5632 fi
5633
5634 # Probe for the need for relocating the user-only binary.
5635 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5636   textseg_addr=
5637   case "$cpu" in
5638     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5639       # ??? Rationale for choosing this address
5640       textseg_addr=0x60000000
5641       ;;
5642     mips)
5643       # A 256M aligned address, high in the address space, with enough
5644       # room for the code_gen_buffer above it before the stack.
5645       textseg_addr=0x60000000
5646       ;;
5647   esac
5648   if [ -n "$textseg_addr" ]; then
5649     cat > $TMPC <<EOF
5650     int main(void) { return 0; }
5651 EOF
5652     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5653     if ! compile_prog "" "$textseg_ldflags"; then
5654       # In case ld does not support -Ttext-segment, edit the default linker
5655       # script via sed to set the .text start addr.  This is needed on FreeBSD
5656       # at least.
5657       if ! $ld --verbose >/dev/null 2>&1; then
5658         error_exit \
5659             "We need to link the QEMU user mode binaries at a" \
5660             "specific text address. Unfortunately your linker" \
5661             "doesn't support either the -Ttext-segment option or" \
5662             "printing the default linker script with --verbose." \
5663             "If you don't want the user mode binaries, pass the" \
5664             "--disable-user option to configure."
5665       fi
5666
5667       $ld --verbose | sed \
5668         -e '1,/==================================================/d' \
5669         -e '/==================================================/,$d' \
5670         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5671         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5672       textseg_ldflags="-Wl,-T../config-host.ld"
5673     fi
5674   fi
5675 fi
5676
5677 # Check that the C++ compiler exists and works with the C compiler.
5678 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5679 if has $cxx; then
5680     cat > $TMPC <<EOF
5681 int c_function(void);
5682 int main(void) { return c_function(); }
5683 EOF
5684
5685     compile_object
5686
5687     cat > $TMPCXX <<EOF
5688 extern "C" {
5689    int c_function(void);
5690 }
5691 int c_function(void) { return 42; }
5692 EOF
5693
5694     update_cxxflags
5695
5696     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5697         # C++ compiler $cxx works ok with C compiler $cc
5698         :
5699     else
5700         echo "C++ compiler $cxx does not work with C compiler $cc"
5701         echo "Disabling C++ specific optional code"
5702         cxx=
5703     fi
5704 else
5705     echo "No C++ compiler available; disabling C++ specific optional code"
5706     cxx=
5707 fi
5708
5709 echo_version() {
5710     if test "$1" = "yes" ; then
5711         echo "($2)"
5712     fi
5713 }
5714
5715 # prepend pixman and ftd flags after all config tests are done
5716 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5717 libs_softmmu="$pixman_libs $libs_softmmu"
5718
5719 echo "Install prefix    $prefix"
5720 echo "BIOS directory    $(eval echo $qemu_datadir)"
5721 echo "firmware path     $(eval echo $firmwarepath)"
5722 echo "binary directory  $(eval echo $bindir)"
5723 echo "library directory $(eval echo $libdir)"
5724 echo "module directory  $(eval echo $qemu_moddir)"
5725 echo "libexec directory $(eval echo $libexecdir)"
5726 echo "include directory $(eval echo $includedir)"
5727 echo "config directory  $(eval echo $sysconfdir)"
5728 if test "$mingw32" = "no" ; then
5729 echo "local state directory   $(eval echo $local_statedir)"
5730 echo "Manual directory  $(eval echo $mandir)"
5731 echo "ELF interp prefix $interp_prefix"
5732 else
5733 echo "local state directory   queried at runtime"
5734 echo "Windows SDK       $win_sdk"
5735 fi
5736 echo "Source path       $source_path"
5737 echo "GIT binary        $git"
5738 echo "GIT submodules    $git_submodules"
5739 echo "C compiler        $cc"
5740 echo "Host C compiler   $host_cc"
5741 echo "C++ compiler      $cxx"
5742 echo "Objective-C compiler $objcc"
5743 echo "ARFLAGS           $ARFLAGS"
5744 echo "CFLAGS            $CFLAGS"
5745 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5746 echo "LDFLAGS           $LDFLAGS"
5747 echo "make              $make"
5748 echo "install           $install"
5749 echo "python            $python"
5750 if test "$slirp" = "yes" ; then
5751     echo "smbd              $smbd"
5752 fi
5753 echo "module support    $modules"
5754 echo "host CPU          $cpu"
5755 echo "host big endian   $bigendian"
5756 echo "target list       $target_list"
5757 echo "gprof enabled     $gprof"
5758 echo "sparse enabled    $sparse"
5759 echo "strip binaries    $strip_opt"
5760 echo "profiler          $profiler"
5761 echo "static build      $static"
5762 if test "$darwin" = "yes" ; then
5763     echo "Cocoa support     $cocoa"
5764 fi
5765 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5766 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5767 echo "GTK GL support    $gtk_gl"
5768 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5769 echo "TLS priority      $tls_priority"
5770 echo "GNUTLS support    $gnutls"
5771 echo "GNUTLS rnd        $gnutls_rnd"
5772 if test "$gcrypt" = "yes"; then
5773 echo "encryption        libgcrypt"
5774 echo "libgcrypt kdf     $gcrypt_kdf"
5775 elif test "$nettle" = "yes"; then
5776 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5777 else
5778 echo "encryption        none"
5779 fi
5780 echo "nettle kdf        $nettle_kdf"
5781 echo "libtasn1          $tasn1"
5782 echo "curses support    $curses"
5783 echo "virgl support     $virglrenderer"
5784 echo "curl support      $curl"
5785 echo "mingw32 support   $mingw32"
5786 echo "Audio drivers     $audio_drv_list"
5787 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5788 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5789 echo "VirtFS support    $virtfs"
5790 echo "Multipath support $mpath"
5791 echo "VNC support       $vnc"
5792 if test "$vnc" = "yes" ; then
5793     echo "VNC SASL support  $vnc_sasl"
5794     echo "VNC JPEG support  $vnc_jpeg"
5795     echo "VNC PNG support   $vnc_png"
5796 fi
5797 if test -n "$sparc_cpu"; then
5798     echo "Target Sparc Arch $sparc_cpu"
5799 fi
5800 echo "xen support       $xen"
5801 if test "$xen" = "yes" ; then
5802   echo "xen ctrl version  $xen_ctrl_version"
5803   echo "pv dom build      $xen_pv_domain_build"
5804 fi
5805 echo "brlapi support    $brlapi"
5806 echo "bluez  support    $bluez"
5807 echo "Documentation     $docs"
5808 echo "Tools             $tools"
5809 echo "PIE               $pie"
5810 echo "vde support       $vde"
5811 echo "netmap support    $netmap"
5812 echo "Linux AIO support $linux_aio"
5813 echo "(X)ATTR support   $attr"
5814 echo "Install blobs     $blobs"
5815 echo "KVM support       $kvm"
5816 echo "HAX support       $hax"
5817 echo "HVF support       $hvf"
5818 echo "WHPX support      $whpx"
5819 echo "TCG support       $tcg"
5820 if test "$tcg" = "yes" ; then
5821     echo "TCG debug enabled $debug_tcg"
5822     echo "TCG interpreter   $tcg_interpreter"
5823 fi
5824 echo "malloc trim support $malloc_trim"
5825 echo "RDMA support      $rdma"
5826 echo "fdt support       $fdt"
5827 echo "preadv support    $preadv"
5828 echo "fdatasync         $fdatasync"
5829 echo "madvise           $madvise"
5830 echo "posix_madvise     $posix_madvise"
5831 echo "posix_memalign    $posix_memalign"
5832 echo "libcap-ng support $cap_ng"
5833 echo "vhost-net support $vhost_net"
5834 echo "vhost-scsi support $vhost_scsi"
5835 echo "vhost-vsock support $vhost_vsock"
5836 echo "vhost-user support $vhost_user"
5837 echo "Trace backends    $trace_backends"
5838 if have_backend "simple"; then
5839 echo "Trace output file $trace_file-<pid>"
5840 fi
5841 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5842 echo "rbd support       $rbd"
5843 echo "xfsctl support    $xfs"
5844 echo "smartcard support $smartcard"
5845 echo "libusb            $libusb"
5846 echo "usb net redir     $usb_redir"
5847 echo "OpenGL support    $opengl"
5848 echo "OpenGL dmabufs    $opengl_dmabuf"
5849 echo "libiscsi support  $libiscsi"
5850 echo "libnfs support    $libnfs"
5851 echo "build guest agent $guest_agent"
5852 echo "QGA VSS support   $guest_agent_with_vss"
5853 echo "QGA w32 disk info $guest_agent_ntddscsi"
5854 echo "QGA MSI support   $guest_agent_msi"
5855 echo "seccomp support   $seccomp"
5856 echo "coroutine backend $coroutine"
5857 echo "coroutine pool    $coroutine_pool"
5858 echo "debug stack usage $debug_stack_usage"
5859 echo "crypto afalg      $crypto_afalg"
5860 echo "GlusterFS support $glusterfs"
5861 echo "gcov              $gcov_tool"
5862 echo "gcov enabled      $gcov"
5863 echo "TPM support       $tpm"
5864 echo "libssh2 support   $libssh2"
5865 echo "TPM passthrough   $tpm_passthrough"
5866 echo "TPM emulator      $tpm_emulator"
5867 echo "QOM debugging     $qom_cast_debug"
5868 echo "Live block migration $live_block_migration"
5869 echo "lzo support       $lzo"
5870 echo "snappy support    $snappy"
5871 echo "bzip2 support     $bzip2"
5872 echo "NUMA host support $numa"
5873 echo "libxml2           $libxml2"
5874 echo "tcmalloc support  $tcmalloc"
5875 echo "jemalloc support  $jemalloc"
5876 echo "avx2 optimization $avx2_opt"
5877 echo "replication support $replication"
5878 echo "VxHS block device $vxhs"
5879 echo "capstone          $capstone"
5880
5881 if test "$sdl_too_old" = "yes"; then
5882 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5883 fi
5884
5885 if test "$gtkabi" = "2.0"; then
5886     echo
5887     echo "WARNING: Use of GTK 2.0 is deprecated and will be removed in"
5888     echo "WARNING: future releases. Please switch to using GTK 3.0"
5889 fi
5890
5891 if test "$sdlabi" = "1.2"; then
5892     echo
5893     echo "WARNING: Use of SDL 1.2 is deprecated and will be removed in"
5894     echo "WARNING: future releases. Please switch to using SDL 2.0"
5895 fi
5896
5897 if test "$supported_cpu" = "no"; then
5898     echo
5899     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5900     echo
5901     echo "CPU host architecture $cpu support is not currently maintained."
5902     echo "The QEMU project intends to remove support for this host CPU in"
5903     echo "a future release if nobody volunteers to maintain it and to"
5904     echo "provide a build host for our continuous integration setup."
5905     echo "configure has succeeded and you can continue to build, but"
5906     echo "if you care about QEMU on this platform you should contact"
5907     echo "us upstream at qemu-devel@nongnu.org."
5908 fi
5909
5910 if test "$supported_os" = "no"; then
5911     echo
5912     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5913     echo
5914     echo "Host OS $targetos support is not currently maintained."
5915     echo "The QEMU project intends to remove support for this host OS in"
5916     echo "a future release if nobody volunteers to maintain it and to"
5917     echo "provide a build host for our continuous integration setup."
5918     echo "configure has succeeded and you can continue to build, but"
5919     echo "if you care about QEMU on this platform you should contact"
5920     echo "us upstream at qemu-devel@nongnu.org."
5921 fi
5922
5923 config_host_mak="config-host.mak"
5924
5925 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5926
5927 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5928 echo >> $config_host_mak
5929
5930 echo all: >> $config_host_mak
5931 echo "prefix=$prefix" >> $config_host_mak
5932 echo "bindir=$bindir" >> $config_host_mak
5933 echo "libdir=$libdir" >> $config_host_mak
5934 echo "libexecdir=$libexecdir" >> $config_host_mak
5935 echo "includedir=$includedir" >> $config_host_mak
5936 echo "mandir=$mandir" >> $config_host_mak
5937 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5938 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5939 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5940 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
5941 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5942 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5943 if test "$mingw32" = "no" ; then
5944   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5945 fi
5946 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5947 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5948 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5949 echo "GIT=$git" >> $config_host_mak
5950 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
5951 echo "GIT_UPDATE=$git_update" >> $config_host_mak
5952
5953 echo "ARCH=$ARCH" >> $config_host_mak
5954
5955 if test "$debug_tcg" = "yes" ; then
5956   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5957 fi
5958 if test "$strip_opt" = "yes" ; then
5959   echo "STRIP=${strip}" >> $config_host_mak
5960 fi
5961 if test "$bigendian" = "yes" ; then
5962   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5963 fi
5964 if test "$mingw32" = "yes" ; then
5965   echo "CONFIG_WIN32=y" >> $config_host_mak
5966   echo "CONFIG_INSTALLER=y" >> $config_host_mak
5967   rc_version=$(cat $source_path/VERSION)
5968   version_major=${rc_version%%.*}
5969   rc_version=${rc_version#*.}
5970   version_minor=${rc_version%%.*}
5971   rc_version=${rc_version#*.}
5972   version_subminor=${rc_version%%.*}
5973   version_micro=0
5974   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5975   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5976   if test "$guest_agent_with_vss" = "yes" ; then
5977     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5978     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5979     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5980   fi
5981   if test "$guest_agent_ntddscsi" = "yes" ; then
5982     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5983   fi
5984   if test "$guest_agent_msi" = "yes"; then
5985     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5986     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5987     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5988     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5989     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5990     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5991     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5992   fi
5993 else
5994   echo "CONFIG_POSIX=y" >> $config_host_mak
5995 fi
5996
5997 if test "$linux" = "yes" ; then
5998   echo "CONFIG_LINUX=y" >> $config_host_mak
5999 fi
6000
6001 if test "$darwin" = "yes" ; then
6002   echo "CONFIG_DARWIN=y" >> $config_host_mak
6003 fi
6004
6005 if test "$solaris" = "yes" ; then
6006   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6007 fi
6008 if test "$haiku" = "yes" ; then
6009   echo "CONFIG_HAIKU=y" >> $config_host_mak
6010 fi
6011 if test "$static" = "yes" ; then
6012   echo "CONFIG_STATIC=y" >> $config_host_mak
6013 fi
6014 if test "$profiler" = "yes" ; then
6015   echo "CONFIG_PROFILER=y" >> $config_host_mak
6016 fi
6017 if test "$slirp" = "yes" ; then
6018   echo "CONFIG_SLIRP=y" >> $config_host_mak
6019   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6020 fi
6021 if test "$vde" = "yes" ; then
6022   echo "CONFIG_VDE=y" >> $config_host_mak
6023   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6024 fi
6025 if test "$netmap" = "yes" ; then
6026   echo "CONFIG_NETMAP=y" >> $config_host_mak
6027 fi
6028 if test "$l2tpv3" = "yes" ; then
6029   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6030 fi
6031 if test "$cap_ng" = "yes" ; then
6032   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6033 fi
6034 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6035 for drv in $audio_drv_list; do
6036     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6037     echo "$def=y" >> $config_host_mak
6038 done
6039 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6040 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6041 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6042 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6043 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6044 if test "$audio_pt_int" = "yes" ; then
6045   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6046 fi
6047 if test "$audio_win_int" = "yes" ; then
6048   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6049 fi
6050 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6051 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6052 if test "$vnc" = "yes" ; then
6053   echo "CONFIG_VNC=y" >> $config_host_mak
6054 fi
6055 if test "$vnc_sasl" = "yes" ; then
6056   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6057 fi
6058 if test "$vnc_jpeg" = "yes" ; then
6059   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6060 fi
6061 if test "$vnc_png" = "yes" ; then
6062   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6063 fi
6064 if test "$xkbcommon" = "yes" ; then
6065   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6066   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6067 fi
6068 if test "$fnmatch" = "yes" ; then
6069   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6070 fi
6071 if test "$xfs" = "yes" ; then
6072   echo "CONFIG_XFS=y" >> $config_host_mak
6073 fi
6074 qemu_version=$(head $source_path/VERSION)
6075 echo "VERSION=$qemu_version" >>$config_host_mak
6076 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6077 echo "SRC_PATH=$source_path" >> $config_host_mak
6078 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6079 if [ "$docs" = "yes" ] ; then
6080   echo "BUILD_DOCS=yes" >> $config_host_mak
6081 fi
6082 if [ "$want_tools" = "yes" ] ; then
6083   echo "BUILD_TOOLS=yes" >> $config_host_mak
6084 fi
6085 if test "$modules" = "yes"; then
6086   # $shacmd can generate a hash started with digit, which the compiler doesn't
6087   # like as an symbol. So prefix it with an underscore
6088   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6089   echo "CONFIG_MODULES=y" >> $config_host_mak
6090 fi
6091 if test "$sdl" = "yes" ; then
6092   echo "CONFIG_SDL=y" >> $config_host_mak
6093   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
6094   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6095   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6096 fi
6097 if test "$cocoa" = "yes" ; then
6098   echo "CONFIG_COCOA=y" >> $config_host_mak
6099 fi
6100 if test "$curses" = "yes" ; then
6101   echo "CONFIG_CURSES=y" >> $config_host_mak
6102 fi
6103 if test "$pipe2" = "yes" ; then
6104   echo "CONFIG_PIPE2=y" >> $config_host_mak
6105 fi
6106 if test "$accept4" = "yes" ; then
6107   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6108 fi
6109 if test "$splice" = "yes" ; then
6110   echo "CONFIG_SPLICE=y" >> $config_host_mak
6111 fi
6112 if test "$eventfd" = "yes" ; then
6113   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6114 fi
6115 if test "$memfd" = "yes" ; then
6116   echo "CONFIG_MEMFD=y" >> $config_host_mak
6117 fi
6118 if test "$fallocate" = "yes" ; then
6119   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6120 fi
6121 if test "$fallocate_punch_hole" = "yes" ; then
6122   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6123 fi
6124 if test "$fallocate_zero_range" = "yes" ; then
6125   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6126 fi
6127 if test "$posix_fallocate" = "yes" ; then
6128   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6129 fi
6130 if test "$sync_file_range" = "yes" ; then
6131   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6132 fi
6133 if test "$fiemap" = "yes" ; then
6134   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6135 fi
6136 if test "$dup3" = "yes" ; then
6137   echo "CONFIG_DUP3=y" >> $config_host_mak
6138 fi
6139 if test "$ppoll" = "yes" ; then
6140   echo "CONFIG_PPOLL=y" >> $config_host_mak
6141 fi
6142 if test "$prctl_pr_set_timerslack" = "yes" ; then
6143   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6144 fi
6145 if test "$epoll" = "yes" ; then
6146   echo "CONFIG_EPOLL=y" >> $config_host_mak
6147 fi
6148 if test "$epoll_create1" = "yes" ; then
6149   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6150 fi
6151 if test "$sendfile" = "yes" ; then
6152   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6153 fi
6154 if test "$timerfd" = "yes" ; then
6155   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6156 fi
6157 if test "$setns" = "yes" ; then
6158   echo "CONFIG_SETNS=y" >> $config_host_mak
6159 fi
6160 if test "$clock_adjtime" = "yes" ; then
6161   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6162 fi
6163 if test "$syncfs" = "yes" ; then
6164   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6165 fi
6166 if test "$inotify" = "yes" ; then
6167   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6168 fi
6169 if test "$inotify1" = "yes" ; then
6170   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6171 fi
6172 if test "$sem_timedwait" = "yes" ; then
6173   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6174 fi
6175 if test "$byteswap_h" = "yes" ; then
6176   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6177 fi
6178 if test "$bswap_h" = "yes" ; then
6179   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6180 fi
6181 if test "$curl" = "yes" ; then
6182   echo "CONFIG_CURL=m" >> $config_host_mak
6183   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6184   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6185 fi
6186 if test "$brlapi" = "yes" ; then
6187   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6188   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6189 fi
6190 if test "$bluez" = "yes" ; then
6191   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6192   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6193 fi
6194 if test "$glib_subprocess" = "yes" ; then
6195   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
6196 fi
6197 if test "$gtk" = "yes" ; then
6198   echo "CONFIG_GTK=y" >> $config_host_mak
6199   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
6200   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6201   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6202   if test "$gtk_gl" = "yes" ; then
6203     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6204   fi
6205 fi
6206 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6207 if test "$gnutls" = "yes" ; then
6208   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6209 fi
6210 if test "$gnutls_rnd" = "yes" ; then
6211   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
6212 fi
6213 if test "$gcrypt" = "yes" ; then
6214   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6215   if test "$gcrypt_hmac" = "yes" ; then
6216     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6217   fi
6218   if test "$gcrypt_kdf" = "yes" ; then
6219     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
6220   fi
6221 fi
6222 if test "$nettle" = "yes" ; then
6223   echo "CONFIG_NETTLE=y" >> $config_host_mak
6224   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6225   if test "$nettle_kdf" = "yes" ; then
6226     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
6227   fi
6228 fi
6229 if test "$tasn1" = "yes" ; then
6230   echo "CONFIG_TASN1=y" >> $config_host_mak
6231 fi
6232 if test "$have_ifaddrs_h" = "yes" ; then
6233     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6234 fi
6235 if test "$have_broken_size_max" = "yes" ; then
6236     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6237 fi
6238
6239 # Work around a system header bug with some kernel/XFS header
6240 # versions where they both try to define 'struct fsxattr':
6241 # xfs headers will not try to redefine structs from linux headers
6242 # if this macro is set.
6243 if test "$have_fsxattr" = "yes" ; then
6244     echo "HAVE_FSXATTR=y" >> $config_host_mak
6245 fi
6246 if test "$vte" = "yes" ; then
6247   echo "CONFIG_VTE=y" >> $config_host_mak
6248   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6249 fi
6250 if test "$virglrenderer" = "yes" ; then
6251   echo "CONFIG_VIRGL=y" >> $config_host_mak
6252   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6253   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6254 fi
6255 if test "$xen" = "yes" ; then
6256   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6257   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6258   if test "$xen_pv_domain_build" = "yes" ; then
6259     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
6260   fi
6261 fi
6262 if test "$linux_aio" = "yes" ; then
6263   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6264 fi
6265 if test "$attr" = "yes" ; then
6266   echo "CONFIG_ATTR=y" >> $config_host_mak
6267 fi
6268 if test "$libattr" = "yes" ; then
6269   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6270 fi
6271 if test "$virtfs" = "yes" ; then
6272   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6273 fi
6274 if test "$mpath" = "yes" ; then
6275   echo "CONFIG_MPATH=y" >> $config_host_mak
6276 fi
6277 if test "$vhost_scsi" = "yes" ; then
6278   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6279 fi
6280 if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
6281   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6282 fi
6283 if test "$vhost_vsock" = "yes" ; then
6284   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6285 fi
6286 if test "$vhost_user" = "yes" ; then
6287   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6288 fi
6289 if test "$blobs" = "yes" ; then
6290   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6291 fi
6292 if test "$iovec" = "yes" ; then
6293   echo "CONFIG_IOVEC=y" >> $config_host_mak
6294 fi
6295 if test "$preadv" = "yes" ; then
6296   echo "CONFIG_PREADV=y" >> $config_host_mak
6297 fi
6298 if test "$fdt" = "yes" ; then
6299   echo "CONFIG_FDT=y" >> $config_host_mak
6300 fi
6301 if test "$signalfd" = "yes" ; then
6302   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6303 fi
6304 if test "$tcg" = "yes"; then
6305   echo "CONFIG_TCG=y" >> $config_host_mak
6306   if test "$tcg_interpreter" = "yes" ; then
6307     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6308   fi
6309 fi
6310 if test "$fdatasync" = "yes" ; then
6311   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6312 fi
6313 if test "$madvise" = "yes" ; then
6314   echo "CONFIG_MADVISE=y" >> $config_host_mak
6315 fi
6316 if test "$posix_madvise" = "yes" ; then
6317   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6318 fi
6319 if test "$posix_memalign" = "yes" ; then
6320   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6321 fi
6322
6323 if test "$spice" = "yes" ; then
6324   echo "CONFIG_SPICE=y" >> $config_host_mak
6325 fi
6326
6327 if test "$smartcard" = "yes" ; then
6328   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6329   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6330   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6331 fi
6332
6333 if test "$libusb" = "yes" ; then
6334   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6335   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6336   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6337 fi
6338
6339 if test "$usb_redir" = "yes" ; then
6340   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6341   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6342   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6343 fi
6344
6345 if test "$opengl" = "yes" ; then
6346   echo "CONFIG_OPENGL=y" >> $config_host_mak
6347   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6348   if test "$opengl_dmabuf" = "yes" ; then
6349     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6350   fi
6351 fi
6352
6353 if test "$malloc_trim" = "yes" ; then
6354   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6355 fi
6356
6357 if test "$avx2_opt" = "yes" ; then
6358   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6359 fi
6360
6361 if test "$lzo" = "yes" ; then
6362   echo "CONFIG_LZO=y" >> $config_host_mak
6363 fi
6364
6365 if test "$snappy" = "yes" ; then
6366   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6367 fi
6368
6369 if test "$bzip2" = "yes" ; then
6370   echo "CONFIG_BZIP2=y" >> $config_host_mak
6371   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6372 fi
6373
6374 if test "$libiscsi" = "yes" ; then
6375   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6376   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6377   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6378 fi
6379
6380 if test "$libnfs" = "yes" ; then
6381   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6382   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6383 fi
6384
6385 if test "$seccomp" = "yes"; then
6386   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6387   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6388   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6389 fi
6390
6391 # XXX: suppress that
6392 if [ "$bsd" = "yes" ] ; then
6393   echo "CONFIG_BSD=y" >> $config_host_mak
6394 fi
6395
6396 if test "$localtime_r" = "yes" ; then
6397   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6398 fi
6399 if test "$qom_cast_debug" = "yes" ; then
6400   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6401 fi
6402 if test "$rbd" = "yes" ; then
6403   echo "CONFIG_RBD=m" >> $config_host_mak
6404   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6405   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6406 fi
6407
6408 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6409 if test "$coroutine_pool" = "yes" ; then
6410   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6411 else
6412   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6413 fi
6414
6415 if test "$debug_stack_usage" = "yes" ; then
6416   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6417 fi
6418
6419 if test "$crypto_afalg" = "yes" ; then
6420   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6421 fi
6422
6423 if test "$open_by_handle_at" = "yes" ; then
6424   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6425 fi
6426
6427 if test "$linux_magic_h" = "yes" ; then
6428   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6429 fi
6430
6431 if test "$pragma_diagnostic_available" = "yes" ; then
6432   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6433 fi
6434
6435 if test "$valgrind_h" = "yes" ; then
6436   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6437 fi
6438
6439 if test "$have_asan_iface_fiber" = "yes" ; then
6440     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6441 fi
6442
6443 if test "$has_environ" = "yes" ; then
6444   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6445 fi
6446
6447 if test "$cpuid_h" = "yes" ; then
6448   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6449 fi
6450
6451 if test "$int128" = "yes" ; then
6452   echo "CONFIG_INT128=y" >> $config_host_mak
6453 fi
6454
6455 if test "$atomic128" = "yes" ; then
6456   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6457 fi
6458
6459 if test "$atomic64" = "yes" ; then
6460   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6461 fi
6462
6463 if test "$vector16" = "yes" ; then
6464   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6465 fi
6466
6467 if test "$getauxval" = "yes" ; then
6468   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6469 fi
6470
6471 if test "$glusterfs" = "yes" ; then
6472   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6473   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6474   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6475 fi
6476
6477 if test "$glusterfs_xlator_opt" = "yes" ; then
6478   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6479 fi
6480
6481 if test "$glusterfs_discard" = "yes" ; then
6482   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6483 fi
6484
6485 if test "$glusterfs_fallocate" = "yes" ; then
6486   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6487 fi
6488
6489 if test "$glusterfs_zerofill" = "yes" ; then
6490   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6491 fi
6492
6493 if test "$libssh2" = "yes" ; then
6494   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6495   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6496   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6497 fi
6498
6499 if test "$live_block_migration" = "yes" ; then
6500   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6501 fi
6502
6503 if test "$tpm" = "yes"; then
6504   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6505   # TPM passthrough support?
6506   if test "$tpm_passthrough" = "yes"; then
6507     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6508   fi
6509   # TPM emulator support?
6510   if test "$tpm_emulator" = "yes"; then
6511     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6512   fi
6513 fi
6514
6515 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6516 if have_backend "nop"; then
6517   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6518 fi
6519 if have_backend "simple"; then
6520   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6521   # Set the appropriate trace file.
6522   trace_file="\"$trace_file-\" FMT_pid"
6523 fi
6524 if have_backend "log"; then
6525   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6526 fi
6527 if have_backend "ust"; then
6528   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6529 fi
6530 if have_backend "dtrace"; then
6531   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6532   if test "$trace_backend_stap" = "yes" ; then
6533     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6534   fi
6535 fi
6536 if have_backend "ftrace"; then
6537   if test "$linux" = "yes" ; then
6538     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6539   else
6540     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6541   fi
6542 fi
6543 if have_backend "syslog"; then
6544   if test "$posix_syslog" = "yes" ; then
6545     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6546   else
6547     feature_not_found "syslog(trace backend)" "syslog not available"
6548   fi
6549 fi
6550 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6551
6552 if test "$rdma" = "yes" ; then
6553   echo "CONFIG_RDMA=y" >> $config_host_mak
6554   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6555 fi
6556
6557 if test "$have_rtnetlink" = "yes" ; then
6558   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6559 fi
6560
6561 if test "$libxml2" = "yes" ; then
6562   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6563   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6564   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6565 fi
6566
6567 if test "$replication" = "yes" ; then
6568   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6569 fi
6570
6571 if test "$have_af_vsock" = "yes" ; then
6572   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6573 fi
6574
6575 if test "$have_sysmacros" = "yes" ; then
6576   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6577 fi
6578
6579 if test "$have_static_assert" = "yes" ; then
6580   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6581 fi
6582
6583 if test "$have_utmpx" = "yes" ; then
6584   echo "HAVE_UTMPX=y" >> $config_host_mak
6585 fi
6586
6587 if test "$ivshmem" = "yes" ; then
6588   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6589 fi
6590 if test "$capstone" != "no" ; then
6591   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6592 fi
6593
6594 # Hold two types of flag:
6595 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6596 #                                     a thread we have a handle to
6597 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
6598 #                                     platform
6599 if test "$pthread_setname_np" = "yes" ; then
6600   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6601   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
6602 fi
6603
6604 if test "$vxhs" = "yes" ; then
6605   echo "CONFIG_VXHS=y" >> $config_host_mak
6606   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6607 fi
6608
6609 if test "$tcg_interpreter" = "yes"; then
6610   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6611 elif test "$ARCH" = "sparc64" ; then
6612   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6613 elif test "$ARCH" = "s390x" ; then
6614   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6615 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
6616   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6617 elif test "$ARCH" = "ppc64" ; then
6618   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6619 else
6620   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6621 fi
6622 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
6623
6624 echo "TOOLS=$tools" >> $config_host_mak
6625 echo "ROMS=$roms" >> $config_host_mak
6626 echo "MAKE=$make" >> $config_host_mak
6627 echo "INSTALL=$install" >> $config_host_mak
6628 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6629 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6630 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6631 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6632 echo "PYTHON=$python" >> $config_host_mak
6633 echo "CC=$cc" >> $config_host_mak
6634 if $iasl -h > /dev/null 2>&1; then
6635   echo "IASL=$iasl" >> $config_host_mak
6636 fi
6637 echo "CC_I386=$cc_i386" >> $config_host_mak
6638 echo "HOST_CC=$host_cc" >> $config_host_mak
6639 echo "CXX=$cxx" >> $config_host_mak
6640 echo "OBJCC=$objcc" >> $config_host_mak
6641 echo "AR=$ar" >> $config_host_mak
6642 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
6643 echo "AS=$as" >> $config_host_mak
6644 echo "CCAS=$ccas" >> $config_host_mak
6645 echo "CPP=$cpp" >> $config_host_mak
6646 echo "OBJCOPY=$objcopy" >> $config_host_mak
6647 echo "LD=$ld" >> $config_host_mak
6648 echo "RANLIB=$ranlib" >> $config_host_mak
6649 echo "NM=$nm" >> $config_host_mak
6650 echo "WINDRES=$windres" >> $config_host_mak
6651 echo "CFLAGS=$CFLAGS" >> $config_host_mak
6652 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
6653 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
6654 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
6655 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
6656 if test "$sparse" = "yes" ; then
6657   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
6658   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
6659   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
6660   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
6661   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
6662 fi
6663 if test "$cross_prefix" != ""; then
6664   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
6665 else
6666   echo "AUTOCONF_HOST := "                             >> $config_host_mak
6667 fi
6668 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
6669 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
6670 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
6671 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
6672 echo "LIBS+=$LIBS" >> $config_host_mak
6673 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
6674 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
6675 echo "EXESUF=$EXESUF" >> $config_host_mak
6676 echo "DSOSUF=$DSOSUF" >> $config_host_mak
6677 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
6678 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
6679 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
6680 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
6681 echo "POD2MAN=$POD2MAN" >> $config_host_mak
6682 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
6683 if test "$gcov" = "yes" ; then
6684   echo "CONFIG_GCOV=y" >> $config_host_mak
6685   echo "GCOV=$gcov_tool" >> $config_host_mak
6686 fi
6687
6688 # use included Linux headers
6689 if test "$linux" = "yes" ; then
6690   mkdir -p linux-headers
6691   case "$cpu" in
6692   i386|x86_64|x32)
6693     linux_arch=x86
6694     ;;
6695   ppcemb|ppc|ppc64)
6696     linux_arch=powerpc
6697     ;;
6698   s390x)
6699     linux_arch=s390
6700     ;;
6701   aarch64)
6702     linux_arch=arm64
6703     ;;
6704   mips64)
6705     linux_arch=mips
6706     ;;
6707   *)
6708     # For most CPUs the kernel architecture name and QEMU CPU name match.
6709     linux_arch="$cpu"
6710     ;;
6711   esac
6712     # For non-KVM architectures we will not have asm headers
6713     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
6714       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
6715     fi
6716 fi
6717
6718 for target in $target_list; do
6719 target_dir="$target"
6720 config_target_mak=$target_dir/config-target.mak
6721 target_name=$(echo $target | cut -d '-' -f 1)
6722 target_bigendian="no"
6723
6724 case "$target_name" in
6725   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
6726   target_bigendian=yes
6727   ;;
6728 esac
6729 target_softmmu="no"
6730 target_user_only="no"
6731 target_linux_user="no"
6732 target_bsd_user="no"
6733 case "$target" in
6734   ${target_name}-softmmu)
6735     target_softmmu="yes"
6736     ;;
6737   ${target_name}-linux-user)
6738     target_user_only="yes"
6739     target_linux_user="yes"
6740     ;;
6741   ${target_name}-bsd-user)
6742     target_user_only="yes"
6743     target_bsd_user="yes"
6744     ;;
6745   *)
6746     error_exit "Target '$target' not recognised"
6747     exit 1
6748     ;;
6749 esac
6750
6751 mkdir -p $target_dir
6752 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6753
6754 bflt="no"
6755 mttcg="no"
6756 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6757 gdb_xml_files=""
6758
6759 TARGET_ARCH="$target_name"
6760 TARGET_BASE_ARCH=""
6761 TARGET_ABI_DIR=""
6762
6763 case "$target_name" in
6764   i386)
6765     gdb_xml_files="i386-32bit.xml i386-32bit-core.xml i386-32bit-sse.xml"
6766   ;;
6767   x86_64)
6768     TARGET_BASE_ARCH=i386
6769     gdb_xml_files="i386-64bit.xml i386-64bit-core.xml i386-64bit-sse.xml"
6770   ;;
6771   alpha)
6772     mttcg="yes"
6773   ;;
6774   arm|armeb)
6775     TARGET_ARCH=arm
6776     bflt="yes"
6777     mttcg="yes"
6778     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6779   ;;
6780   aarch64|aarch64_be)
6781     TARGET_ARCH=aarch64
6782     TARGET_BASE_ARCH=arm
6783     bflt="yes"
6784     mttcg="yes"
6785     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6786   ;;
6787   cris)
6788   ;;
6789   hppa)
6790     mttcg="yes"
6791   ;;
6792   lm32)
6793   ;;
6794   m68k)
6795     bflt="yes"
6796     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
6797   ;;
6798   microblaze|microblazeel)
6799     TARGET_ARCH=microblaze
6800     bflt="yes"
6801   ;;
6802   mips|mipsel)
6803     TARGET_ARCH=mips
6804     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6805   ;;
6806   mipsn32|mipsn32el)
6807     TARGET_ARCH=mips64
6808     TARGET_BASE_ARCH=mips
6809     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6810     echo "TARGET_ABI32=y" >> $config_target_mak
6811   ;;
6812   mips64|mips64el)
6813     TARGET_ARCH=mips64
6814     TARGET_BASE_ARCH=mips
6815     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6816   ;;
6817   moxie)
6818   ;;
6819   nios2)
6820   ;;
6821   or1k)
6822     TARGET_ARCH=openrisc
6823     TARGET_BASE_ARCH=openrisc
6824   ;;
6825   ppc)
6826     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6827   ;;
6828   ppcemb)
6829     TARGET_BASE_ARCH=ppc
6830     TARGET_ABI_DIR=ppc
6831     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6832   ;;
6833   ppc64)
6834     TARGET_BASE_ARCH=ppc
6835     TARGET_ABI_DIR=ppc
6836     mttcg=yes
6837     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6838   ;;
6839   ppc64le)
6840     TARGET_ARCH=ppc64
6841     TARGET_BASE_ARCH=ppc
6842     TARGET_ABI_DIR=ppc
6843     mttcg=yes
6844     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6845   ;;
6846   ppc64abi32)
6847     TARGET_ARCH=ppc64
6848     TARGET_BASE_ARCH=ppc
6849     TARGET_ABI_DIR=ppc
6850     echo "TARGET_ABI32=y" >> $config_target_mak
6851     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6852   ;;
6853   sh4|sh4eb)
6854     TARGET_ARCH=sh4
6855     bflt="yes"
6856   ;;
6857   sparc)
6858   ;;
6859   sparc64)
6860     TARGET_BASE_ARCH=sparc
6861   ;;
6862   sparc32plus)
6863     TARGET_ARCH=sparc64
6864     TARGET_BASE_ARCH=sparc
6865     TARGET_ABI_DIR=sparc
6866     echo "TARGET_ABI32=y" >> $config_target_mak
6867   ;;
6868   s390x)
6869     mttcg=yes
6870     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
6871   ;;
6872   tilegx)
6873   ;;
6874   tricore)
6875   ;;
6876   unicore32)
6877   ;;
6878   xtensa|xtensaeb)
6879     TARGET_ARCH=xtensa
6880   ;;
6881   *)
6882     error_exit "Unsupported target CPU"
6883   ;;
6884 esac
6885 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6886 if [ "$TARGET_BASE_ARCH" = "" ]; then
6887   TARGET_BASE_ARCH=$TARGET_ARCH
6888 fi
6889
6890 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6891
6892 upper() {
6893     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6894 }
6895
6896 target_arch_name="$(upper $TARGET_ARCH)"
6897 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6898 echo "TARGET_NAME=$target_name" >> $config_target_mak
6899 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6900 if [ "$TARGET_ABI_DIR" = "" ]; then
6901   TARGET_ABI_DIR=$TARGET_ARCH
6902 fi
6903 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6904 if [ "$HOST_VARIANT_DIR" != "" ]; then
6905     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6906 fi
6907
6908 if supported_xen_target $target; then
6909     echo "CONFIG_XEN=y" >> $config_target_mak
6910     if test "$xen_pci_passthrough" = yes; then
6911         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6912     fi
6913 fi
6914 if supported_kvm_target $target; then
6915     echo "CONFIG_KVM=y" >> $config_target_mak
6916     if test "$vhost_net" = "yes" ; then
6917         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6918         if test "$vhost_user" = "yes" ; then
6919             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
6920         fi
6921     fi
6922 fi
6923 if supported_hax_target $target; then
6924     echo "CONFIG_HAX=y" >> $config_target_mak
6925 fi
6926 if supported_hvf_target $target; then
6927     echo "CONFIG_HVF=y" >> $config_target_mak
6928 fi
6929 if supported_whpx_target $target; then
6930     echo "CONFIG_WHPX=y" >> $config_target_mak
6931 fi
6932 if test "$target_bigendian" = "yes" ; then
6933   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6934 fi
6935 if test "$target_softmmu" = "yes" ; then
6936   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6937   if test "$mttcg" = "yes" ; then
6938     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6939   fi
6940 fi
6941 if test "$target_user_only" = "yes" ; then
6942   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6943   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6944 fi
6945 if test "$target_linux_user" = "yes" ; then
6946   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6947 fi
6948 list=""
6949 if test ! -z "$gdb_xml_files" ; then
6950   for x in $gdb_xml_files; do
6951     list="$list $source_path/gdb-xml/$x"
6952   done
6953   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6954 fi
6955
6956 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6957   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6958 fi
6959 if test "$target_bsd_user" = "yes" ; then
6960   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6961 fi
6962
6963 # generate QEMU_CFLAGS/LDFLAGS for targets
6964
6965 cflags=""
6966 ldflags=""
6967
6968 disas_config() {
6969   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6970   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6971 }
6972
6973 for i in $ARCH $TARGET_BASE_ARCH ; do
6974   case "$i" in
6975   alpha)
6976     disas_config "ALPHA"
6977   ;;
6978   aarch64)
6979     if test -n "${cxx}"; then
6980       disas_config "ARM_A64"
6981     fi
6982   ;;
6983   arm)
6984     disas_config "ARM"
6985     if test -n "${cxx}"; then
6986       disas_config "ARM_A64"
6987     fi
6988   ;;
6989   cris)
6990     disas_config "CRIS"
6991   ;;
6992   hppa)
6993     disas_config "HPPA"
6994   ;;
6995   i386|x86_64|x32)
6996     disas_config "I386"
6997   ;;
6998   lm32)
6999     disas_config "LM32"
7000   ;;
7001   m68k)
7002     disas_config "M68K"
7003   ;;
7004   microblaze*)
7005     disas_config "MICROBLAZE"
7006   ;;
7007   mips*)
7008     disas_config "MIPS"
7009   ;;
7010   moxie*)
7011     disas_config "MOXIE"
7012   ;;
7013   nios2)
7014     disas_config "NIOS2"
7015   ;;
7016   or1k)
7017     disas_config "OPENRISC"
7018   ;;
7019   ppc*)
7020     disas_config "PPC"
7021   ;;
7022   s390*)
7023     disas_config "S390"
7024   ;;
7025   sh4)
7026     disas_config "SH4"
7027   ;;
7028   sparc*)
7029     disas_config "SPARC"
7030   ;;
7031   xtensa*)
7032     disas_config "XTENSA"
7033   ;;
7034   esac
7035 done
7036 if test "$tcg_interpreter" = "yes" ; then
7037   disas_config "TCI"
7038 fi
7039
7040 case "$ARCH" in
7041 alpha)
7042   # Ensure there's only a single GP
7043   cflags="-msmall-data $cflags"
7044 ;;
7045 esac
7046
7047 if test "$gprof" = "yes" ; then
7048   echo "TARGET_GPROF=yes" >> $config_target_mak
7049   if test "$target_linux_user" = "yes" ; then
7050     cflags="-p $cflags"
7051     ldflags="-p $ldflags"
7052   fi
7053   if test "$target_softmmu" = "yes" ; then
7054     ldflags="-p $ldflags"
7055     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7056   fi
7057 fi
7058
7059 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
7060   ldflags="$ldflags $textseg_ldflags"
7061 fi
7062
7063 # Newer kernels on s390 check for an S390_PGSTE program header and
7064 # enable the pgste page table extensions in that case. This makes
7065 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7066 # header if
7067 #  - we build on s390x
7068 #  - we build the system emulation for s390x (qemu-system-s390x)
7069 #  - KVM is enabled
7070 #  - the linker supports --s390-pgste
7071 if test "$TARGET_ARCH" = "s390x" -a "$target_softmmu" = "yes"  -a "$ARCH" = "s390x" -a "$kvm" = "yes"; then
7072     if ld_has --s390-pgste ; then
7073         ldflags="-Wl,--s390-pgste $ldflags"
7074     fi
7075 fi
7076
7077 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7078 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7079
7080 done # for target in $targets
7081
7082 if [ "$dtc_internal" = "yes" ]; then
7083   echo "config-host.h: subdir-dtc" >> $config_host_mak
7084 fi
7085 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7086   echo "config-host.h: subdir-capstone" >> $config_host_mak
7087 fi
7088 if test -n "$LIBCAPSTONE"; then
7089   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7090 fi
7091
7092 if test "$numa" = "yes"; then
7093   echo "CONFIG_NUMA=y" >> $config_host_mak
7094 fi
7095
7096 if test "$ccache_cpp2" = "yes"; then
7097   echo "export CCACHE_CPP2=y" >> $config_host_mak
7098 fi
7099
7100 # build tree in object directory in case the source is not in the current directory
7101 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7102 DIRS="$DIRS docs docs/interop fsdev scsi"
7103 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7104 DIRS="$DIRS roms/seabios roms/vgabios"
7105 DIRS="$DIRS qapi-generated"
7106 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
7107 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7108 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7109 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
7110 FILES="$FILES pc-bios/spapr-rtas/Makefile"
7111 FILES="$FILES pc-bios/s390-ccw/Makefile"
7112 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
7113 FILES="$FILES pc-bios/qemu-icon.bmp"
7114 FILES="$FILES .gdbinit scripts" # scripts needed by relative path in .gdbinit
7115 for bios_file in \
7116     $source_path/pc-bios/*.bin \
7117     $source_path/pc-bios/*.lid \
7118     $source_path/pc-bios/*.aml \
7119     $source_path/pc-bios/*.rom \
7120     $source_path/pc-bios/*.dtb \
7121     $source_path/pc-bios/*.img \
7122     $source_path/pc-bios/openbios-* \
7123     $source_path/pc-bios/u-boot.* \
7124     $source_path/pc-bios/palcode-*
7125 do
7126     FILES="$FILES pc-bios/$(basename $bios_file)"
7127 done
7128 for test_file in $(find $source_path/tests/acpi-test-data -type f)
7129 do
7130     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
7131 done
7132 mkdir -p $DIRS
7133 for f in $FILES ; do
7134     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7135         symlink "$source_path/$f" "$f"
7136     fi
7137 done
7138
7139 # temporary config to build submodules
7140 for rom in seabios vgabios ; do
7141     config_mak=roms/$rom/config.mak
7142     echo "# Automatically generated by configure - do not modify" > $config_mak
7143     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7144     echo "AS=$as" >> $config_mak
7145     echo "CCAS=$ccas" >> $config_mak
7146     echo "CC=$cc" >> $config_mak
7147     echo "BCC=bcc" >> $config_mak
7148     echo "CPP=$cpp" >> $config_mak
7149     echo "OBJCOPY=objcopy" >> $config_mak
7150     echo "IASL=$iasl" >> $config_mak
7151     echo "LD=$ld" >> $config_mak
7152     echo "RANLIB=$ranlib" >> $config_mak
7153 done
7154
7155 # set up tests data directory
7156 if [ ! -e tests/data ]; then
7157     symlink "$source_path/tests/data" tests/data
7158 fi
7159
7160 # set up qemu-iotests in this build directory
7161 iotests_common_env="tests/qemu-iotests/common.env"
7162 iotests_check="tests/qemu-iotests/check"
7163
7164 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7165 echo >> "$iotests_common_env"
7166 echo "export PYTHON='$python'" >> "$iotests_common_env"
7167
7168 if [ ! -e "$iotests_check" ]; then
7169     symlink "$source_path/$iotests_check" "$iotests_check"
7170 fi
7171
7172 # Save the configure command line for later reuse.
7173 cat <<EOD >config.status
7174 #!/bin/sh
7175 # Generated by configure.
7176 # Run this file to recreate the current configuration.
7177 # Compiler output produced by configure, useful for debugging
7178 # configure, is in config.log if it exists.
7179 EOD
7180 printf "exec" >>config.status
7181 printf " '%s'" "$0" "$@" >>config.status
7182 echo ' "$@"' >>config.status
7183 chmod +x config.status
7184
7185 rm -r "$TMPDIR1"