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="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(dirname "$0")
 281 cpu=""
 282 iasl="iasl"
 283 interp_prefix="/usr/gnemul/qemu-%M"
 284 static="no"
 285 cross_prefix=""
 286 audio_drv_list=""
 287 block_drv_rw_whitelist=""
 288 block_drv_ro_whitelist=""
 289 host_cc="cc"
 290 libs_softmmu=""
 291 libs_tools=""
 292 audio_pt_int=""
 293 audio_win_int=""
 294 libs_qga=""
 295 debug_info="yes"
 296 stack_protector=""
 297
 298 if test -e "$source_path/.git"
 299 then
 300     git_update=yes
 301     git_submodules="ui/keycodemapdb"
 302     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 303     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 304 else
 305     git_update=no
 306     git_submodules=""
 307
 308     if ! test -f "$source_path/ui/keycodemapdb/README"
 309     then
 310         echo
 311         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 312         echo
 313         echo "This is not a GIT checkout but module content appears to"
 314         echo "be missing. Do not use 'git archive' or GitHub download links"
 315         echo "to acquire QEMU source archives. Non-GIT builds are only"
 316         echo "supported with source archives linked from:"
 317         echo
 318         echo "  https://www.qemu.org/download/"
 319         echo
 320         echo "Developers working with GIT can use scripts/archive-source.sh"
 321         echo "if they need to create valid source archives."
 322         echo
 323         exit 1
 324     fi
 325 fi
 326 git="git"
 327
 328 # Don't accept a target_list environment variable.
 329 unset target_list
 330
 331 # Default value for a variable defining feature "foo".
 332 #  * foo="no"  feature will only be used if --enable-foo arg is given
 333 #  * foo=""    feature will be searched for, and if found, will be used
 334 #              unless --disable-foo is given
 335 #  * foo="yes" this value will only be set by --enable-foo flag.
 336 #              feature will searched for,
 337 #              if not found, configure exits with error
 338 #
 339 # Always add --enable-foo and --disable-foo command line args.
 340 # Distributions want to ensure that several features are compiled in, and it
 341 # is impossible without a --enable-foo that exits if a feature is not found.
 342
 343 bluez=""
 344 brlapi=""
 345 curl=""
 346 curses=""
 347 docs=""
 348 fdt=""
 349 netmap="no"
 350 sdl=""
 351 sdl_image=""
 352 virtfs=""
 353 mpath=""
 354 vnc="yes"
 355 sparse="no"
 356 vde=""
 357 vnc_sasl=""
 358 vnc_jpeg=""
 359 vnc_png=""
 360 xkbcommon=""
 361 xen=""
 362 xen_ctrl_version=""
 363 xen_pci_passthrough=""
 364 linux_aio=""
 365 cap_ng=""
 366 attr=""
 367 libattr=""
 368 xfs=""
 369 tcg="yes"
 370 membarrier=""
 371 vhost_net=""
 372 vhost_crypto=""
 373 vhost_scsi=""
 374 vhost_vsock=""
 375 vhost_user=""
 376 kvm="no"
 377 hax="no"
 378 hvf="no"
 379 whpx="no"
 380 rdma=""
 381 pvrdma=""
 382 gprof="no"
 383 debug_tcg="no"
 384 debug="no"
 385 sanitizers="no"
 386 fortify_source=""
 387 strip_opt="yes"
 388 tcg_interpreter="no"
 389 bigendian="no"
 390 mingw32="no"
 391 gcov="no"
 392 gcov_tool="gcov"
 393 EXESUF=""
 394 DSOSUF=".so"
 395 LDFLAGS_SHARED="-shared"
 396 modules="no"
 397 prefix="/usr/local"
 398 mandir="\${prefix}/share/man"
 399 datadir="\${prefix}/share"
 400 firmwarepath="\${prefix}/share/qemu-firmware"
 401 qemu_docdir="\${prefix}/share/doc/qemu"
 402 bindir="\${prefix}/bin"
 403 libdir="\${prefix}/lib"
 404 libexecdir="\${prefix}/libexec"
 405 includedir="\${prefix}/include"
 406 sysconfdir="\${prefix}/etc"
 407 local_statedir="\${prefix}/var"
 408 confsuffix="/qemu"
 409 slirp="yes"
 410 oss_lib=""
 411 bsd="no"
 412 linux="no"
 413 solaris="no"
 414 profiler="no"
 415 cocoa="no"
 416 softmmu="yes"
 417 linux_user="no"
 418 bsd_user="no"
 419 blobs="yes"
 420 pkgversion=""
 421 pie=""
 422 qom_cast_debug="yes"
 423 trace_backends="log"
 424 trace_file="trace"
 425 spice=""
 426 rbd=""
 427 smartcard=""
 428 libusb=""
 429 usb_redir=""
 430 opengl=""
 431 opengl_dmabuf="no"
 432 cpuid_h="no"
 433 avx2_opt=""
 434 zlib="yes"
 435 capstone=""
 436 lzo=""
 437 snappy=""
 438 bzip2=""
 439 lzfse=""
 440 guest_agent=""
 441 guest_agent_with_vss="no"
 442 guest_agent_ntddscsi="no"
 443 guest_agent_msi=""
 444 vss_win32_sdk=""
 445 win_sdk="no"
 446 want_tools="yes"
 447 libiscsi=""
 448 libnfs=""
 449 coroutine=""
 450 coroutine_pool=""
 451 debug_stack_usage="no"
 452 crypto_afalg="no"
 453 seccomp=""
 454 glusterfs=""
 455 glusterfs_xlator_opt="no"
 456 glusterfs_discard="no"
 457 glusterfs_fallocate="no"
 458 glusterfs_zerofill="no"
 459 gtk=""
 460 gtk_gl="no"
 461 tls_priority="NORMAL"
 462 gnutls=""
 463 nettle=""
 464 gcrypt=""
 465 gcrypt_hmac="no"
 466 auth_pam=""
 467 vte=""
 468 virglrenderer=""
 469 tpm=""
 470 libssh2=""
 471 live_block_migration="yes"
 472 numa=""
 473 tcmalloc="no"
 474 jemalloc="no"
 475 replication="yes"
 476 vxhs=""
 477 bochs="yes"
 478 cloop="yes"
 479 dmg="yes"
 480 qcow1="yes"
 481 vdi="yes"
 482 vvfat="yes"
 483 qed="yes"
 484 parallels="yes"
 485 sheepdog="yes"
 486 libxml2=""
 487 docker="no"
 488 debug_mutex="no"
 489 libpmem=""
 490 default_devices="yes"
 491
 492 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 493 cross_cc_aarch64="aarch64-linux-gnu-gcc"
 494 cross_cc_aarch64_be="$cross_cc_aarch64"
 495 cross_cc_cflags_aarch64_be="-mbig-endian"
 496 cross_cc_arm="arm-linux-gnueabihf-gcc"
 497 cross_cc_cflags_armeb="-mbig-endian"
 498 cross_cc_i386="i386-pc-linux-gnu-gcc"
 499 cross_cc_cflags_i386=""
 500 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 501 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 502
 503 enabled_cross_compilers=""
 504
 505 supported_cpu="no"
 506 supported_os="no"
 507 bogus_os="no"
 508 malloc_trim=""
 509
 510 # parse CC options first
 511 for opt do
 512   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 513   case "$opt" in
 514   --cross-prefix=*) cross_prefix="$optarg"
 515   ;;
 516   --cc=*) CC="$optarg"
 517   ;;
 518   --cxx=*) CXX="$optarg"
 519   ;;
 520   --source-path=*) source_path="$optarg"
 521   ;;
 522   --cpu=*) cpu="$optarg"
 523   ;;
 524   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 525   ;;
 526   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 527   ;;
 528   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 529                      EXTRA_LDFLAGS="$optarg"
 530   ;;
 531   --enable-debug-info) debug_info="yes"
 532   ;;
 533   --disable-debug-info) debug_info="no"
 534   ;;
 535   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 536   ;;
 537   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 538                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 539   ;;
 540   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 541                 eval "cross_cc_${cc_arch}=\$optarg"
 542   ;;
 543   esac
 544 done
 545 # OS specific
 546 # Using uname is really, really broken.  Once we have the right set of checks
 547 # we can eliminate its usage altogether.
 548
 549 # Preferred compiler:
 550 #  ${CC} (if set)
 551 #  ${cross_prefix}gcc (if cross-prefix specified)
 552 #  system compiler
 553 if test -z "${CC}${cross_prefix}"; then
 554   cc="$host_cc"
 555 else
 556   cc="${CC-${cross_prefix}gcc}"
 557 fi
 558
 559 if test -z "${CXX}${cross_prefix}"; then
 560   cxx="c++"
 561 else
 562   cxx="${CXX-${cross_prefix}g++}"
 563 fi
 564
 565 ar="${AR-${cross_prefix}ar}"
 566 as="${AS-${cross_prefix}as}"
 567 ccas="${CCAS-$cc}"
 568 cpp="${CPP-$cc -E}"
 569 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 570 ld="${LD-${cross_prefix}ld}"
 571 ranlib="${RANLIB-${cross_prefix}ranlib}"
 572 nm="${NM-${cross_prefix}nm}"
 573 strip="${STRIP-${cross_prefix}strip}"
 574 windres="${WINDRES-${cross_prefix}windres}"
 575 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 576 query_pkg_config() {
 577     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 578 }
 579 pkg_config=query_pkg_config
 580 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 581
 582 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 583 ARFLAGS="${ARFLAGS-rv}"
 584
 585 # default flags for all hosts
 586 # We use -fwrapv to tell the compiler that we require a C dialect where
 587 # left shift of signed integers is well defined and has the expected
 588 # 2s-complement style results. (Both clang and gcc agree that it
 589 # provides these semantics.)
 590 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 591 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 592 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 593 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 594 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 595 if test "$debug_info" = "yes"; then
 596     CFLAGS="-g $CFLAGS"
 597     LDFLAGS="-g $LDFLAGS"
 598 fi
 599
 600 # make source path absolute
 601 source_path=$(cd "$source_path"; pwd)
 602
 603 # running configure in the source tree?
 604 # we know that's the case if configure is there.
 605 if test -f "./configure"; then
 606     pwd_is_source_path="y"
 607 else
 608     pwd_is_source_path="n"
 609 fi
 610
 611 check_define() {
 612 cat > $TMPC <<EOF
 613 #if !defined($1)
 614 #error $1 not defined
 615 #endif
 616 int main(void) { return 0; }
 617 EOF
 618   compile_object
 619 }
 620
 621 check_include() {
 622 cat > $TMPC <<EOF
 623 #include <$1>
 624 int main(void) { return 0; }
 625 EOF
 626   compile_object
 627 }
 628
 629 write_c_skeleton() {
 630     cat > $TMPC <<EOF
 631 int main(void) { return 0; }
 632 EOF
 633 }
 634
 635 if check_define __linux__ ; then
 636   targetos="Linux"
 637 elif check_define _WIN32 ; then
 638   targetos='MINGW32'
 639 elif check_define __OpenBSD__ ; then
 640   targetos='OpenBSD'
 641 elif check_define __sun__ ; then
 642   targetos='SunOS'
 643 elif check_define __HAIKU__ ; then
 644   targetos='Haiku'
 645 elif check_define __FreeBSD__ ; then
 646   targetos='FreeBSD'
 647 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 648   targetos='GNU/kFreeBSD'
 649 elif check_define __DragonFly__ ; then
 650   targetos='DragonFly'
 651 elif check_define __NetBSD__; then
 652   targetos='NetBSD'
 653 elif check_define __APPLE__; then
 654   targetos='Darwin'
 655 else
 656   # This is a fatal error, but don't report it yet, because we
 657   # might be going to just print the --help text, or it might
 658   # be the result of a missing compiler.
 659   targetos='bogus'
 660   bogus_os='yes'
 661 fi
 662
 663 # Some host OSes need non-standard checks for which CPU to use.
 664 # Note that these checks are broken for cross-compilation: if you're
 665 # cross-compiling to one of these OSes then you'll need to specify
 666 # the correct CPU with the --cpu option.
 667 case $targetos in
 668 Darwin)
 669   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 670   # run 64-bit userspace code.
 671   # If the user didn't specify a CPU explicitly and the kernel says this is
 672   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 673   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 674     cpu="x86_64"
 675   fi
 676   ;;
 677 SunOS)
 678   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 679   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 680     cpu="x86_64"
 681   fi
 682 esac
 683
 684 if test ! -z "$cpu" ; then
 685   # command line argument
 686   :
 687 elif check_define __i386__ ; then
 688   cpu="i386"
 689 elif check_define __x86_64__ ; then
 690   if check_define __ILP32__ ; then
 691     cpu="x32"
 692   else
 693     cpu="x86_64"
 694   fi
 695 elif check_define __sparc__ ; then
 696   if check_define __arch64__ ; then
 697     cpu="sparc64"
 698   else
 699     cpu="sparc"
 700   fi
 701 elif check_define _ARCH_PPC ; then
 702   if check_define _ARCH_PPC64 ; then
 703     cpu="ppc64"
 704   else
 705     cpu="ppc"
 706   fi
 707 elif check_define __mips__ ; then
 708   cpu="mips"
 709 elif check_define __s390__ ; then
 710   if check_define __s390x__ ; then
 711     cpu="s390x"
 712   else
 713     cpu="s390"
 714   fi
 715 elif check_define __riscv ; then
 716   if check_define _LP64 ; then
 717     cpu="riscv64"
 718   else
 719     cpu="riscv32"
 720   fi
 721 elif check_define __arm__ ; then
 722   cpu="arm"
 723 elif check_define __aarch64__ ; then
 724   cpu="aarch64"
 725 else
 726   cpu=$(uname -m)
 727 fi
 728
 729 ARCH=
 730 # Normalise host CPU name and set ARCH.
 731 # Note that this case should only have supported host CPUs, not guests.
 732 case "$cpu" in
 733   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 734     cpu="$cpu"
 735     supported_cpu="yes"
 736     eval "cross_cc_${cpu}=\$host_cc"
 737   ;;
 738   i386|i486|i586|i686|i86pc|BePC)
 739     cpu="i386"
 740     supported_cpu="yes"
 741     cross_cc_i386=$host_cc
 742   ;;
 743   x86_64|amd64)
 744     cpu="x86_64"
 745     supported_cpu="yes"
 746     cross_cc_x86_64=$host_cc
 747   ;;
 748   armv*b|armv*l|arm)
 749     cpu="arm"
 750     supported_cpu="yes"
 751     cross_cc_arm=$host_cc
 752   ;;
 753   aarch64)
 754     cpu="aarch64"
 755     supported_cpu="yes"
 756     cross_cc_aarch64=$host_cc
 757   ;;
 758   mips*)
 759     cpu="mips"
 760     supported_cpu="yes"
 761     cross_cc_mips=$host_cc
 762   ;;
 763   sparc|sun4[cdmuv])
 764     cpu="sparc"
 765     supported_cpu="yes"
 766     cross_cc_sparc=$host_cc
 767   ;;
 768   *)
 769     # This will result in either an error or falling back to TCI later
 770     ARCH=unknown
 771   ;;
 772 esac
 773 if test -z "$ARCH"; then
 774   ARCH="$cpu"
 775 fi
 776
 777 # OS specific
 778
 779 # host *BSD for user mode
 780 HOST_VARIANT_DIR=""
 781
 782 case $targetos in
 783 MINGW32*)
 784   mingw32="yes"
 785   hax="yes"
 786   vhost_user="no"
 787   audio_possible_drivers="dsound sdl"
 788   if check_include dsound.h; then
 789     audio_drv_list="dsound"
 790   else
 791     audio_drv_list=""
 792   fi
 793   supported_os="yes"
 794 ;;
 795 GNU/kFreeBSD)
 796   bsd="yes"
 797   audio_drv_list="oss try-sdl"
 798   audio_possible_drivers="oss sdl pa"
 799 ;;
 800 FreeBSD)
 801   bsd="yes"
 802   make="${MAKE-gmake}"
 803   audio_drv_list="oss try-sdl"
 804   audio_possible_drivers="oss sdl pa"
 805   # needed for kinfo_getvmmap(3) in libutil.h
 806   LIBS="-lutil $LIBS"
 807   # needed for kinfo_getproc
 808   libs_qga="-lutil $libs_qga"
 809   netmap=""  # enable netmap autodetect
 810   HOST_VARIANT_DIR="freebsd"
 811   supported_os="yes"
 812 ;;
 813 DragonFly)
 814   bsd="yes"
 815   make="${MAKE-gmake}"
 816   audio_drv_list="oss try-sdl"
 817   audio_possible_drivers="oss sdl pa"
 818   HOST_VARIANT_DIR="dragonfly"
 819 ;;
 820 NetBSD)
 821   bsd="yes"
 822   hax="yes"
 823   make="${MAKE-gmake}"
 824   audio_drv_list="oss try-sdl"
 825   audio_possible_drivers="oss sdl"
 826   oss_lib="-lossaudio"
 827   HOST_VARIANT_DIR="netbsd"
 828   supported_os="yes"
 829 ;;
 830 OpenBSD)
 831   bsd="yes"
 832   make="${MAKE-gmake}"
 833   audio_drv_list="try-sdl"
 834   audio_possible_drivers="sdl"
 835   HOST_VARIANT_DIR="openbsd"
 836   supported_os="yes"
 837 ;;
 838 Darwin)
 839   bsd="yes"
 840   darwin="yes"
 841   hax="yes"
 842   hvf="yes"
 843   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 844   if [ "$cpu" = "x86_64" ] ; then
 845     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 846     LDFLAGS="-arch x86_64 $LDFLAGS"
 847   fi
 848   cocoa="yes"
 849   audio_drv_list="coreaudio try-sdl"
 850   audio_possible_drivers="coreaudio sdl"
 851   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 852   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 853   # Disable attempts to use ObjectiveC features in os/object.h since they
 854   # won't work when we're compiling with gcc as a C compiler.
 855   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 856   HOST_VARIANT_DIR="darwin"
 857   supported_os="yes"
 858 ;;
 859 SunOS)
 860   solaris="yes"
 861   make="${MAKE-gmake}"
 862   install="${INSTALL-ginstall}"
 863   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 864   if test -f /usr/include/sys/soundcard.h ; then
 865     audio_drv_list="oss try-sdl"
 866   fi
 867   audio_possible_drivers="oss sdl"
 868 # needed for CMSG_ macros in sys/socket.h
 869   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 870 # needed for TIOCWIN* defines in termios.h
 871   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 872   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 873   solarisnetlibs="-lsocket -lnsl -lresolv"
 874   LIBS="$solarisnetlibs $LIBS"
 875   libs_qga="$solarisnetlibs $libs_qga"
 876 ;;
 877 Haiku)
 878   haiku="yes"
 879   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 880   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 881 ;;
 882 Linux)
 883   audio_drv_list="try-pa oss"
 884   audio_possible_drivers="oss alsa sdl pa"
 885   linux="yes"
 886   linux_user="yes"
 887   kvm="yes"
 888   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 889   supported_os="yes"
 890   libudev="yes"
 891 ;;
 892 esac
 893
 894 if [ "$bsd" = "yes" ] ; then
 895   if [ "$darwin" != "yes" ] ; then
 896     bsd_user="yes"
 897   fi
 898 fi
 899
 900 : ${make=${MAKE-make}}
 901 : ${install=${INSTALL-install}}
 902 : ${python=${PYTHON-python}}
 903 : ${smbd=${SMBD-/usr/sbin/smbd}}
 904
 905 # Default objcc to clang if available, otherwise use CC
 906 if has clang; then
 907   objcc=clang
 908 else
 909   objcc="$cc"
 910 fi
 911
 912 if test "$mingw32" = "yes" ; then
 913   EXESUF=".exe"
 914   DSOSUF=".dll"
 915   # MinGW needs -mthreads for TLS and macro _MT.
 916   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 917   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 918   write_c_skeleton;
 919   if compile_prog "" "-liberty" ; then
 920     LIBS="-liberty $LIBS"
 921   fi
 922   prefix="c:/Program Files/QEMU"
 923   mandir="\${prefix}"
 924   datadir="\${prefix}"
 925   qemu_docdir="\${prefix}"
 926   bindir="\${prefix}"
 927   sysconfdir="\${prefix}"
 928   local_statedir=
 929   confsuffix=""
 930   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 931 fi
 932
 933 werror=""
 934
 935 for opt do
 936   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 937   case "$opt" in
 938   --help|-h) show_help=yes
 939   ;;
 940   --version|-V) exec cat $source_path/VERSION
 941   ;;
 942   --prefix=*) prefix="$optarg"
 943   ;;
 944   --interp-prefix=*) interp_prefix="$optarg"
 945   ;;
 946   --source-path=*)
 947   ;;
 948   --cross-prefix=*)
 949   ;;
 950   --cc=*)
 951   ;;
 952   --host-cc=*) host_cc="$optarg"
 953   ;;
 954   --cxx=*)
 955   ;;
 956   --iasl=*) iasl="$optarg"
 957   ;;
 958   --objcc=*) objcc="$optarg"
 959   ;;
 960   --make=*) make="$optarg"
 961   ;;
 962   --install=*) install="$optarg"
 963   ;;
 964   --python=*) python="$optarg"
 965   ;;
 966   --gcov=*) gcov_tool="$optarg"
 967   ;;
 968   --smbd=*) smbd="$optarg"
 969   ;;
 970   --extra-cflags=*)
 971   ;;
 972   --extra-cxxflags=*)
 973   ;;
 974   --extra-ldflags=*)
 975   ;;
 976   --enable-debug-info)
 977   ;;
 978   --disable-debug-info)
 979   ;;
 980   --cross-cc-*)
 981   ;;
 982   --enable-modules)
 983       modules="yes"
 984   ;;
 985   --disable-modules)
 986       modules="no"
 987   ;;
 988   --cpu=*)
 989   ;;
 990   --target-list=*) target_list="$optarg"
 991   ;;
 992   --enable-trace-backends=*) trace_backends="$optarg"
 993   ;;
 994   # XXX: backwards compatibility
 995   --enable-trace-backend=*) trace_backends="$optarg"
 996   ;;
 997   --with-trace-file=*) trace_file="$optarg"
 998   ;;
 999   --with-default-devices) default_devices="yes"
1000   ;;
1001   --without-default-devices) default_devices="no"
1002   ;;
1003   --enable-gprof) gprof="yes"
1004   ;;
1005   --enable-gcov) gcov="yes"
1006   ;;
1007   --static)
1008     static="yes"
1009     LDFLAGS="-static $LDFLAGS"
1010     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1011   ;;
1012   --mandir=*) mandir="$optarg"
1013   ;;
1014   --bindir=*) bindir="$optarg"
1015   ;;
1016   --libdir=*) libdir="$optarg"
1017   ;;
1018   --libexecdir=*) libexecdir="$optarg"
1019   ;;
1020   --includedir=*) includedir="$optarg"
1021   ;;
1022   --datadir=*) datadir="$optarg"
1023   ;;
1024   --with-confsuffix=*) confsuffix="$optarg"
1025   ;;
1026   --docdir=*) qemu_docdir="$optarg"
1027   ;;
1028   --sysconfdir=*) sysconfdir="$optarg"
1029   ;;
1030   --localstatedir=*) local_statedir="$optarg"
1031   ;;
1032   --firmwarepath=*) firmwarepath="$optarg"
1033   ;;
1034   --host=*|--build=*|\
1035   --disable-dependency-tracking|\
1036   --sbindir=*|--sharedstatedir=*|\
1037   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1038   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1039     # These switches are silently ignored, for compatibility with
1040     # autoconf-generated configure scripts. This allows QEMU's
1041     # configure to be used by RPM and similar macros that set
1042     # lots of directory switches by default.
1043   ;;
1044   --disable-sdl) sdl="no"
1045   ;;
1046   --enable-sdl) sdl="yes"
1047   ;;
1048   --disable-sdl-image) sdl_image="no"
1049   ;;
1050   --enable-sdl-image) sdl_image="yes"
1051   ;;
1052   --disable-qom-cast-debug) qom_cast_debug="no"
1053   ;;
1054   --enable-qom-cast-debug) qom_cast_debug="yes"
1055   ;;
1056   --disable-virtfs) virtfs="no"
1057   ;;
1058   --enable-virtfs) virtfs="yes"
1059   ;;
1060   --disable-mpath) mpath="no"
1061   ;;
1062   --enable-mpath) mpath="yes"
1063   ;;
1064   --disable-vnc) vnc="no"
1065   ;;
1066   --enable-vnc) vnc="yes"
1067   ;;
1068   --oss-lib=*) oss_lib="$optarg"
1069   ;;
1070   --audio-drv-list=*) audio_drv_list="$optarg"
1071   ;;
1072   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1073   ;;
1074   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1075   ;;
1076   --enable-debug-tcg) debug_tcg="yes"
1077   ;;
1078   --disable-debug-tcg) debug_tcg="no"
1079   ;;
1080   --enable-debug)
1081       # Enable debugging options that aren't excessively noisy
1082       debug_tcg="yes"
1083       debug_mutex="yes"
1084       debug="yes"
1085       strip_opt="no"
1086       fortify_source="no"
1087   ;;
1088   --enable-sanitizers) sanitizers="yes"
1089   ;;
1090   --disable-sanitizers) sanitizers="no"
1091   ;;
1092   --enable-sparse) sparse="yes"
1093   ;;
1094   --disable-sparse) sparse="no"
1095   ;;
1096   --disable-strip) strip_opt="no"
1097   ;;
1098   --disable-vnc-sasl) vnc_sasl="no"
1099   ;;
1100   --enable-vnc-sasl) vnc_sasl="yes"
1101   ;;
1102   --disable-vnc-jpeg) vnc_jpeg="no"
1103   ;;
1104   --enable-vnc-jpeg) vnc_jpeg="yes"
1105   ;;
1106   --disable-vnc-png) vnc_png="no"
1107   ;;
1108   --enable-vnc-png) vnc_png="yes"
1109   ;;
1110   --disable-slirp) slirp="no"
1111   ;;
1112   --disable-vde) vde="no"
1113   ;;
1114   --enable-vde) vde="yes"
1115   ;;
1116   --disable-netmap) netmap="no"
1117   ;;
1118   --enable-netmap) netmap="yes"
1119   ;;
1120   --disable-xen) xen="no"
1121   ;;
1122   --enable-xen) xen="yes"
1123   ;;
1124   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1125   ;;
1126   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1127   ;;
1128   --disable-brlapi) brlapi="no"
1129   ;;
1130   --enable-brlapi) brlapi="yes"
1131   ;;
1132   --disable-bluez) bluez="no"
1133   ;;
1134   --enable-bluez) bluez="yes"
1135   ;;
1136   --disable-kvm) kvm="no"
1137   ;;
1138   --enable-kvm) kvm="yes"
1139   ;;
1140   --disable-hax) hax="no"
1141   ;;
1142   --enable-hax) hax="yes"
1143   ;;
1144   --disable-hvf) hvf="no"
1145   ;;
1146   --enable-hvf) hvf="yes"
1147   ;;
1148   --disable-whpx) whpx="no"
1149   ;;
1150   --enable-whpx) whpx="yes"
1151   ;;
1152   --disable-tcg-interpreter) tcg_interpreter="no"
1153   ;;
1154   --enable-tcg-interpreter) tcg_interpreter="yes"
1155   ;;
1156   --disable-cap-ng)  cap_ng="no"
1157   ;;
1158   --enable-cap-ng) cap_ng="yes"
1159   ;;
1160   --disable-tcg) tcg="no"
1161   ;;
1162   --enable-tcg) tcg="yes"
1163   ;;
1164   --disable-malloc-trim) malloc_trim="no"
1165   ;;
1166   --enable-malloc-trim) malloc_trim="yes"
1167   ;;
1168   --disable-spice) spice="no"
1169   ;;
1170   --enable-spice) spice="yes"
1171   ;;
1172   --disable-libiscsi) libiscsi="no"
1173   ;;
1174   --enable-libiscsi) libiscsi="yes"
1175   ;;
1176   --disable-libnfs) libnfs="no"
1177   ;;
1178   --enable-libnfs) libnfs="yes"
1179   ;;
1180   --enable-profiler) profiler="yes"
1181   ;;
1182   --disable-cocoa) cocoa="no"
1183   ;;
1184   --enable-cocoa)
1185       cocoa="yes" ;
1186       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1187   ;;
1188   --disable-system) softmmu="no"
1189   ;;
1190   --enable-system) softmmu="yes"
1191   ;;
1192   --disable-user)
1193       linux_user="no" ;
1194       bsd_user="no" ;
1195   ;;
1196   --enable-user) ;;
1197   --disable-linux-user) linux_user="no"
1198   ;;
1199   --enable-linux-user) linux_user="yes"
1200   ;;
1201   --disable-bsd-user) bsd_user="no"
1202   ;;
1203   --enable-bsd-user) bsd_user="yes"
1204   ;;
1205   --enable-pie) pie="yes"
1206   ;;
1207   --disable-pie) pie="no"
1208   ;;
1209   --enable-werror) werror="yes"
1210   ;;
1211   --disable-werror) werror="no"
1212   ;;
1213   --enable-stack-protector) stack_protector="yes"
1214   ;;
1215   --disable-stack-protector) stack_protector="no"
1216   ;;
1217   --disable-curses) curses="no"
1218   ;;
1219   --enable-curses) curses="yes"
1220   ;;
1221   --disable-curl) curl="no"
1222   ;;
1223   --enable-curl) curl="yes"
1224   ;;
1225   --disable-fdt) fdt="no"
1226   ;;
1227   --enable-fdt) fdt="yes"
1228   ;;
1229   --disable-linux-aio) linux_aio="no"
1230   ;;
1231   --enable-linux-aio) linux_aio="yes"
1232   ;;
1233   --disable-attr) attr="no"
1234   ;;
1235   --enable-attr) attr="yes"
1236   ;;
1237   --disable-membarrier) membarrier="no"
1238   ;;
1239   --enable-membarrier) membarrier="yes"
1240   ;;
1241   --disable-blobs) blobs="no"
1242   ;;
1243   --with-pkgversion=*) pkgversion="$optarg"
1244   ;;
1245   --with-coroutine=*) coroutine="$optarg"
1246   ;;
1247   --disable-coroutine-pool) coroutine_pool="no"
1248   ;;
1249   --enable-coroutine-pool) coroutine_pool="yes"
1250   ;;
1251   --enable-debug-stack-usage) debug_stack_usage="yes"
1252   ;;
1253   --enable-crypto-afalg) crypto_afalg="yes"
1254   ;;
1255   --disable-crypto-afalg) crypto_afalg="no"
1256   ;;
1257   --disable-docs) docs="no"
1258   ;;
1259   --enable-docs) docs="yes"
1260   ;;
1261   --disable-vhost-net) vhost_net="no"
1262   ;;
1263   --enable-vhost-net) vhost_net="yes"
1264   ;;
1265   --disable-vhost-crypto) vhost_crypto="no"
1266   ;;
1267   --enable-vhost-crypto) vhost_crypto="yes"
1268   ;;
1269   --disable-vhost-scsi) vhost_scsi="no"
1270   ;;
1271   --enable-vhost-scsi) vhost_scsi="yes"
1272   ;;
1273   --disable-vhost-vsock) vhost_vsock="no"
1274   ;;
1275   --enable-vhost-vsock) vhost_vsock="yes"
1276   ;;
1277   --disable-opengl) opengl="no"
1278   ;;
1279   --enable-opengl) opengl="yes"
1280   ;;
1281   --disable-rbd) rbd="no"
1282   ;;
1283   --enable-rbd) rbd="yes"
1284   ;;
1285   --disable-xfsctl) xfs="no"
1286   ;;
1287   --enable-xfsctl) xfs="yes"
1288   ;;
1289   --disable-smartcard) smartcard="no"
1290   ;;
1291   --enable-smartcard) smartcard="yes"
1292   ;;
1293   --disable-libusb) libusb="no"
1294   ;;
1295   --enable-libusb) libusb="yes"
1296   ;;
1297   --disable-usb-redir) usb_redir="no"
1298   ;;
1299   --enable-usb-redir) usb_redir="yes"
1300   ;;
1301   --disable-zlib-test) zlib="no"
1302   ;;
1303   --disable-lzo) lzo="no"
1304   ;;
1305   --enable-lzo) lzo="yes"
1306   ;;
1307   --disable-snappy) snappy="no"
1308   ;;
1309   --enable-snappy) snappy="yes"
1310   ;;
1311   --disable-bzip2) bzip2="no"
1312   ;;
1313   --enable-bzip2) bzip2="yes"
1314   ;;
1315   --enable-lzfse) lzfse="yes"
1316   ;;
1317   --disable-lzfse) lzfse="no"
1318   ;;
1319   --enable-guest-agent) guest_agent="yes"
1320   ;;
1321   --disable-guest-agent) guest_agent="no"
1322   ;;
1323   --enable-guest-agent-msi) guest_agent_msi="yes"
1324   ;;
1325   --disable-guest-agent-msi) guest_agent_msi="no"
1326   ;;
1327   --with-vss-sdk) vss_win32_sdk=""
1328   ;;
1329   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1330   ;;
1331   --without-vss-sdk) vss_win32_sdk="no"
1332   ;;
1333   --with-win-sdk) win_sdk=""
1334   ;;
1335   --with-win-sdk=*) win_sdk="$optarg"
1336   ;;
1337   --without-win-sdk) win_sdk="no"
1338   ;;
1339   --enable-tools) want_tools="yes"
1340   ;;
1341   --disable-tools) want_tools="no"
1342   ;;
1343   --enable-seccomp) seccomp="yes"
1344   ;;
1345   --disable-seccomp) seccomp="no"
1346   ;;
1347   --disable-glusterfs) glusterfs="no"
1348   ;;
1349   --disable-avx2) avx2_opt="no"
1350   ;;
1351   --enable-avx2) avx2_opt="yes"
1352   ;;
1353   --enable-glusterfs) glusterfs="yes"
1354   ;;
1355   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1356       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1357   ;;
1358   --enable-vhdx|--disable-vhdx)
1359       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1360   ;;
1361   --enable-uuid|--disable-uuid)
1362       echo "$0: $opt is obsolete, UUID support is always built" >&2
1363   ;;
1364   --disable-gtk) gtk="no"
1365   ;;
1366   --enable-gtk) gtk="yes"
1367   ;;
1368   --tls-priority=*) tls_priority="$optarg"
1369   ;;
1370   --disable-gnutls) gnutls="no"
1371   ;;
1372   --enable-gnutls) gnutls="yes"
1373   ;;
1374   --disable-nettle) nettle="no"
1375   ;;
1376   --enable-nettle) nettle="yes"
1377   ;;
1378   --disable-gcrypt) gcrypt="no"
1379   ;;
1380   --enable-gcrypt) gcrypt="yes"
1381   ;;
1382   --disable-auth-pam) auth_pam="no"
1383   ;;
1384   --enable-auth-pam) auth_pam="yes"
1385   ;;
1386   --enable-rdma) rdma="yes"
1387   ;;
1388   --disable-rdma) rdma="no"
1389   ;;
1390   --enable-pvrdma) pvrdma="yes"
1391   ;;
1392   --disable-pvrdma) pvrdma="no"
1393   ;;
1394   --disable-vte) vte="no"
1395   ;;
1396   --enable-vte) vte="yes"
1397   ;;
1398   --disable-virglrenderer) virglrenderer="no"
1399   ;;
1400   --enable-virglrenderer) virglrenderer="yes"
1401   ;;
1402   --disable-tpm) tpm="no"
1403   ;;
1404   --enable-tpm) tpm="yes"
1405   ;;
1406   --disable-libssh2) libssh2="no"
1407   ;;
1408   --enable-libssh2) libssh2="yes"
1409   ;;
1410   --disable-live-block-migration) live_block_migration="no"
1411   ;;
1412   --enable-live-block-migration) live_block_migration="yes"
1413   ;;
1414   --disable-numa) numa="no"
1415   ;;
1416   --enable-numa) numa="yes"
1417   ;;
1418   --disable-libxml2) libxml2="no"
1419   ;;
1420   --enable-libxml2) libxml2="yes"
1421   ;;
1422   --disable-tcmalloc) tcmalloc="no"
1423   ;;
1424   --enable-tcmalloc) tcmalloc="yes"
1425   ;;
1426   --disable-jemalloc) jemalloc="no"
1427   ;;
1428   --enable-jemalloc) jemalloc="yes"
1429   ;;
1430   --disable-replication) replication="no"
1431   ;;
1432   --enable-replication) replication="yes"
1433   ;;
1434   --disable-vxhs) vxhs="no"
1435   ;;
1436   --enable-vxhs) vxhs="yes"
1437   ;;
1438   --disable-bochs) bochs="no"
1439   ;;
1440   --enable-bochs) bochs="yes"
1441   ;;
1442   --disable-cloop) cloop="no"
1443   ;;
1444   --enable-cloop) cloop="yes"
1445   ;;
1446   --disable-dmg) dmg="no"
1447   ;;
1448   --enable-dmg) dmg="yes"
1449   ;;
1450   --disable-qcow1) qcow1="no"
1451   ;;
1452   --enable-qcow1) qcow1="yes"
1453   ;;
1454   --disable-vdi) vdi="no"
1455   ;;
1456   --enable-vdi) vdi="yes"
1457   ;;
1458   --disable-vvfat) vvfat="no"
1459   ;;
1460   --enable-vvfat) vvfat="yes"
1461   ;;
1462   --disable-qed) qed="no"
1463   ;;
1464   --enable-qed) qed="yes"
1465   ;;
1466   --disable-parallels) parallels="no"
1467   ;;
1468   --enable-parallels) parallels="yes"
1469   ;;
1470   --disable-sheepdog) sheepdog="no"
1471   ;;
1472   --enable-sheepdog) sheepdog="yes"
1473   ;;
1474   --disable-vhost-user) vhost_user="no"
1475   ;;
1476   --enable-vhost-user) vhost_user="yes"
1477   ;;
1478   --disable-vhost-kernel) vhost_kernel="no"
1479   ;;
1480   --enable-vhost-kernel) vhost_kernel="yes"
1481   ;;
1482   --disable-capstone) capstone="no"
1483   ;;
1484   --enable-capstone) capstone="yes"
1485   ;;
1486   --enable-capstone=git) capstone="git"
1487   ;;
1488   --enable-capstone=system) capstone="system"
1489   ;;
1490   --with-git=*) git="$optarg"
1491   ;;
1492   --enable-git-update) git_update=yes
1493   ;;
1494   --disable-git-update) git_update=no
1495   ;;
1496   --enable-debug-mutex) debug_mutex=yes
1497   ;;
1498   --disable-debug-mutex) debug_mutex=no
1499   ;;
1500   --enable-libpmem) libpmem=yes
1501   ;;
1502   --disable-libpmem) libpmem=no
1503   ;;
1504   *)
1505       echo "ERROR: unknown option $opt"
1506       echo "Try '$0 --help' for more information"
1507       exit 1
1508   ;;
1509   esac
1510 done
1511
1512 case "$cpu" in
1513     ppc)
1514            CPU_CFLAGS="-m32"
1515            LDFLAGS="-m32 $LDFLAGS"
1516            cross_cc_powerpc=$cc
1517            cross_cc_cflags_powerpc=$CPU_CFLAGS
1518            ;;
1519     ppc64)
1520            CPU_CFLAGS="-m64"
1521            LDFLAGS="-m64 $LDFLAGS"
1522            cross_cc_ppc64=$cc
1523            cross_cc_cflags_ppc64=$CPU_CFLAGS
1524            ;;
1525     sparc)
1526            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1527            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1528            cross_cc_sparc=$cc
1529            cross_cc_cflags_sparc=$CPU_CFLAGS
1530            ;;
1531     sparc64)
1532            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1533            LDFLAGS="-m64 $LDFLAGS"
1534            cross_cc_sparc64=$cc
1535            cross_cc_cflags_sparc64=$CPU_CFLAGS
1536            ;;
1537     s390)
1538            CPU_CFLAGS="-m31"
1539            LDFLAGS="-m31 $LDFLAGS"
1540            cross_cc_s390=$cc
1541            cross_cc_cflags_s390=$CPU_CFLAGS
1542            ;;
1543     s390x)
1544            CPU_CFLAGS="-m64"
1545            LDFLAGS="-m64 $LDFLAGS"
1546            cross_cc_s390x=$cc
1547            cross_cc_cflags_s390x=$CPU_CFLAGS
1548            ;;
1549     i386)
1550            CPU_CFLAGS="-m32"
1551            LDFLAGS="-m32 $LDFLAGS"
1552            cross_cc_i386=$cc
1553            cross_cc_cflags_i386=$CPU_CFLAGS
1554            ;;
1555     x86_64)
1556            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1557            # If we truly care, we should simply detect this case at
1558            # runtime and generate the fallback to serial emulation.
1559            CPU_CFLAGS="-m64 -mcx16"
1560            LDFLAGS="-m64 $LDFLAGS"
1561            cross_cc_x86_64=$cc
1562            cross_cc_cflags_x86_64=$CPU_CFLAGS
1563            ;;
1564     x32)
1565            CPU_CFLAGS="-mx32"
1566            LDFLAGS="-mx32 $LDFLAGS"
1567            cross_cc_i386=$cc
1568            cross_cc_cflags_i386=$CPU_CFLAGS
1569            ;;
1570     # No special flags required for other host CPUs
1571 esac
1572
1573 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1574
1575 # For user-mode emulation the host arch has to be one we explicitly
1576 # support, even if we're using TCI.
1577 if [ "$ARCH" = "unknown" ]; then
1578   bsd_user="no"
1579   linux_user="no"
1580 fi
1581
1582 default_target_list=""
1583
1584 mak_wilds=""
1585
1586 if [ "$softmmu" = "yes" ]; then
1587     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1588 fi
1589 if [ "$linux_user" = "yes" ]; then
1590     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1591 fi
1592 if [ "$bsd_user" = "yes" ]; then
1593     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1594 fi
1595
1596 for config in $mak_wilds; do
1597     default_target_list="${default_target_list} $(basename "$config" .mak)"
1598 done
1599
1600 # Enumerate public trace backends for --help output
1601 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1602
1603 if test x"$show_help" = x"yes" ; then
1604 cat << EOF
1605
1606 Usage: configure [options]
1607 Options: [defaults in brackets after descriptions]
1608
1609 Standard options:
1610   --help                   print this message
1611   --prefix=PREFIX          install in PREFIX [$prefix]
1612   --interp-prefix=PREFIX   where to find shared libraries, etc.
1613                            use %M for cpu name [$interp_prefix]
1614   --target-list=LIST       set target list (default: build everything)
1615 $(echo Available targets: $default_target_list | \
1616   fold -s -w 53 | sed -e 's/^/                           /')
1617
1618 Advanced options (experts only):
1619   --source-path=PATH       path of source code [$source_path]
1620   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1621   --cc=CC                  use C compiler CC [$cc]
1622   --iasl=IASL              use ACPI compiler IASL [$iasl]
1623   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1624                            build time
1625   --cxx=CXX                use C++ compiler CXX [$cxx]
1626   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1627   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1628   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1629   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1630   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1631   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1632   --make=MAKE              use specified make [$make]
1633   --install=INSTALL        use specified install [$install]
1634   --python=PYTHON          use specified python [$python]
1635   --smbd=SMBD              use specified smbd [$smbd]
1636   --with-git=GIT           use specified git [$git]
1637   --static                 enable static build [$static]
1638   --mandir=PATH            install man pages in PATH
1639   --datadir=PATH           install firmware in PATH$confsuffix
1640   --docdir=PATH            install documentation in PATH$confsuffix
1641   --bindir=PATH            install binaries in PATH
1642   --libdir=PATH            install libraries in PATH
1643   --libexecdir=PATH        install helper binaries in PATH
1644   --sysconfdir=PATH        install config in PATH$confsuffix
1645   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1646   --firmwarepath=PATH      search PATH for firmware files
1647   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1648   --with-pkgversion=VERS   use specified string as sub-version of the package
1649   --enable-debug           enable common debug build options
1650   --enable-sanitizers      enable default sanitizers
1651   --disable-strip          disable stripping binaries
1652   --disable-werror         disable compilation abort on warning
1653   --disable-stack-protector disable compiler-provided stack protection
1654   --audio-drv-list=LIST    set audio drivers list:
1655                            Available drivers: $audio_possible_drivers
1656   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1657   --block-drv-rw-whitelist=L
1658                            set block driver read-write whitelist
1659                            (affects only QEMU, not qemu-img)
1660   --block-drv-ro-whitelist=L
1661                            set block driver read-only whitelist
1662                            (affects only QEMU, not qemu-img)
1663   --enable-trace-backends=B Set trace backend
1664                            Available backends: $trace_backend_list
1665   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1666                            Default:trace-<pid>
1667   --disable-slirp          disable SLIRP userspace network connectivity
1668   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1669   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1670   --oss-lib                path to OSS library
1671   --cpu=CPU                Build for host CPU [$cpu]
1672   --with-coroutine=BACKEND coroutine backend. Supported options:
1673                            ucontext, sigaltstack, windows
1674   --enable-gcov            enable test coverage analysis with gcov
1675   --gcov=GCOV              use specified gcov [$gcov_tool]
1676   --disable-blobs          disable installing provided firmware blobs
1677   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1678   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1679   --tls-priority           default TLS protocol/cipher priority string
1680   --enable-gprof           QEMU profiling with gprof
1681   --enable-profiler        profiler support
1682   --enable-debug-stack-usage
1683                            track the maximum stack usage of stacks created by qemu_alloc_stack
1684
1685 Optional features, enabled with --enable-FEATURE and
1686 disabled with --disable-FEATURE, default is enabled if available:
1687
1688   system          all system emulation targets
1689   user            supported user emulation targets
1690   linux-user      all linux usermode emulation targets
1691   bsd-user        all BSD usermode emulation targets
1692   docs            build documentation
1693   guest-agent     build the QEMU Guest Agent
1694   guest-agent-msi build guest agent Windows MSI installation package
1695   pie             Position Independent Executables
1696   modules         modules support
1697   debug-tcg       TCG debugging (default is disabled)
1698   debug-info      debugging information
1699   sparse          sparse checker
1700
1701   gnutls          GNUTLS cryptography support
1702   nettle          nettle cryptography support
1703   gcrypt          libgcrypt cryptography support
1704   auth-pam        PAM access control
1705   sdl             SDL UI
1706   sdl_image       SDL Image support for icons
1707   gtk             gtk UI
1708   vte             vte support for the gtk UI
1709   curses          curses UI
1710   vnc             VNC UI support
1711   vnc-sasl        SASL encryption for VNC server
1712   vnc-jpeg        JPEG lossy compression for VNC server
1713   vnc-png         PNG compression for VNC server
1714   cocoa           Cocoa UI (Mac OS X only)
1715   virtfs          VirtFS
1716   mpath           Multipath persistent reservation passthrough
1717   xen             xen backend driver support
1718   xen-pci-passthrough    PCI passthrough support for Xen
1719   brlapi          BrlAPI (Braile)
1720   curl            curl connectivity
1721   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1722   fdt             fdt device tree
1723   bluez           bluez stack connectivity
1724   kvm             KVM acceleration support
1725   hax             HAX acceleration support
1726   hvf             Hypervisor.framework acceleration support
1727   whpx            Windows Hypervisor Platform acceleration support
1728   rdma            Enable RDMA-based migration
1729   pvrdma          Enable PVRDMA support
1730   vde             support for vde network
1731   netmap          support for netmap network
1732   linux-aio       Linux AIO support
1733   cap-ng          libcap-ng support
1734   attr            attr and xattr support
1735   vhost-net       vhost-net kernel acceleration support
1736   vhost-vsock     virtio sockets device support
1737   vhost-scsi      vhost-scsi kernel target support
1738   vhost-crypto    vhost-user-crypto backend support
1739   vhost-kernel    vhost kernel backend support
1740   vhost-user      vhost-user backend support
1741   spice           spice
1742   rbd             rados block device (rbd)
1743   libiscsi        iscsi support
1744   libnfs          nfs support
1745   smartcard       smartcard support (libcacard)
1746   libusb          libusb (for usb passthrough)
1747   live-block-migration   Block migration in the main migration stream
1748   usb-redir       usb network redirection support
1749   lzo             support of lzo compression library
1750   snappy          support of snappy compression library
1751   bzip2           support of bzip2 compression library
1752                   (for reading bzip2-compressed dmg images)
1753   lzfse           support of lzfse compression library
1754                   (for reading lzfse-compressed dmg images)
1755   seccomp         seccomp support
1756   coroutine-pool  coroutine freelist (better performance)
1757   glusterfs       GlusterFS backend
1758   tpm             TPM support
1759   libssh2         ssh block device support
1760   numa            libnuma support
1761   libxml2         for Parallels image format
1762   tcmalloc        tcmalloc support
1763   jemalloc        jemalloc support
1764   avx2            AVX2 optimization support
1765   replication     replication support
1766   opengl          opengl support
1767   virglrenderer   virgl rendering support
1768   xfsctl          xfsctl support
1769   qom-cast-debug  cast debugging support
1770   tools           build qemu-io, qemu-nbd and qemu-img tools
1771   vxhs            Veritas HyperScale vDisk backend support
1772   bochs           bochs image format support
1773   cloop           cloop image format support
1774   dmg             dmg image format support
1775   qcow1           qcow v1 image format support
1776   vdi             vdi image format support
1777   vvfat           vvfat image format support
1778   qed             qed image format support
1779   parallels       parallels image format support
1780   sheepdog        sheepdog block driver support
1781   crypto-afalg    Linux AF_ALG crypto backend driver
1782   capstone        capstone disassembler support
1783   debug-mutex     mutex debugging support
1784   libpmem         libpmem support
1785
1786 NOTE: The object files are built at the place where configure is launched
1787 EOF
1788 exit 0
1789 fi
1790
1791 if ! has $python; then
1792   error_exit "Python not found. Use --python=/path/to/python"
1793 fi
1794
1795 # Note that if the Python conditional here evaluates True we will exit
1796 # with status 1 which is a shell 'false' value.
1797 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1798   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1799       "Use --python=/path/to/python to specify a supported Python."
1800 fi
1801
1802 # Preserve python version since some functionality is dependent on it
1803 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1804
1805 # Suppress writing compiled files
1806 python="$python -B"
1807
1808 # Check that the C compiler works. Doing this here before testing
1809 # the host CPU ensures that we had a valid CC to autodetect the
1810 # $cpu var (and we should bail right here if that's not the case).
1811 # It also allows the help message to be printed without a CC.
1812 write_c_skeleton;
1813 if compile_object ; then
1814   : C compiler works ok
1815 else
1816     error_exit "\"$cc\" either does not exist or does not work"
1817 fi
1818 if ! compile_prog ; then
1819     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1820 fi
1821
1822 # Now we have handled --enable-tcg-interpreter and know we're not just
1823 # printing the help message, bail out if the host CPU isn't supported.
1824 if test "$ARCH" = "unknown"; then
1825     if test "$tcg_interpreter" = "yes" ; then
1826         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1827     else
1828         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1829     fi
1830 fi
1831
1832 # Consult white-list to determine whether to enable werror
1833 # by default.  Only enable by default for git builds
1834 if test -z "$werror" ; then
1835     if test -d "$source_path/.git" && \
1836         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1837         werror="yes"
1838     else
1839         werror="no"
1840     fi
1841 fi
1842
1843 if test "$bogus_os" = "yes"; then
1844     # Now that we know that we're not printing the help and that
1845     # the compiler works (so the results of the check_defines we used
1846     # to identify the OS are reliable), if we didn't recognize the
1847     # host OS we should stop now.
1848     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1849 fi
1850
1851 # Check whether the compiler matches our minimum requirements:
1852 cat > $TMPC << EOF
1853 #if defined(__clang_major__) && defined(__clang_minor__)
1854 # ifdef __apple_build_version__
1855 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1856 #   error You need at least XCode Clang v5.1 to compile QEMU
1857 #  endif
1858 # else
1859 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1860 #   error You need at least Clang v3.4 to compile QEMU
1861 #  endif
1862 # endif
1863 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1864 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1865 #  error You need at least GCC v4.8 to compile QEMU
1866 # endif
1867 #else
1868 # error You either need GCC or Clang to compiler QEMU
1869 #endif
1870 int main (void) { return 0; }
1871 EOF
1872 if ! compile_prog "" "" ; then
1873     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1874 fi
1875
1876 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1877 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1878 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1879 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1880 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1881 gcc_flags="-Wno-string-plus-int $gcc_flags"
1882 # Note that we do not add -Werror to gcc_flags here, because that would
1883 # enable it for all configure tests. If a configure test failed due
1884 # to -Werror this would just silently disable some features,
1885 # so it's too error prone.
1886
1887 cc_has_warning_flag() {
1888     write_c_skeleton;
1889
1890     # Use the positive sense of the flag when testing for -Wno-wombat
1891     # support (gcc will happily accept the -Wno- form of unknown
1892     # warning options).
1893     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1894     compile_prog "-Werror $optflag" ""
1895 }
1896
1897 for flag in $gcc_flags; do
1898     if cc_has_warning_flag $flag ; then
1899         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1900     fi
1901 done
1902
1903 if test "$stack_protector" != "no"; then
1904   cat > $TMPC << EOF
1905 int main(int argc, char *argv[])
1906 {
1907     char arr[64], *p = arr, *c = argv[0];
1908     while (*c) {
1909         *p++ = *c++;
1910     }
1911     return 0;
1912 }
1913 EOF
1914   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1915   sp_on=0
1916   for flag in $gcc_flags; do
1917     # We need to check both a compile and a link, since some compiler
1918     # setups fail only on a .c->.o compile and some only at link time
1919     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1920        compile_prog "-Werror $flag" ""; then
1921       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1922       sp_on=1
1923       break
1924     fi
1925   done
1926   if test "$stack_protector" = yes; then
1927     if test $sp_on = 0; then
1928       error_exit "Stack protector not supported"
1929     fi
1930   fi
1931 fi
1932
1933 # Disable -Wmissing-braces on older compilers that warn even for
1934 # the "universal" C zero initializer {0}.
1935 cat > $TMPC << EOF
1936 struct {
1937   int a[2];
1938 } x = {0};
1939 EOF
1940 if compile_object "-Werror" "" ; then
1941   :
1942 else
1943   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1944 fi
1945
1946 # Static linking is not possible with modules or PIE
1947 if test "$static" = "yes" ; then
1948   if test "$modules" = "yes" ; then
1949     error_exit "static and modules are mutually incompatible"
1950   fi
1951   if test "$pie" = "yes" ; then
1952     error_exit "static and pie are mutually incompatible"
1953   else
1954     pie="no"
1955   fi
1956 fi
1957
1958 # Unconditional check for compiler __thread support
1959   cat > $TMPC << EOF
1960 static __thread int tls_var;
1961 int main(void) { return tls_var; }
1962 EOF
1963
1964 if ! compile_prog "-Werror" "" ; then
1965     error_exit "Your compiler does not support the __thread specifier for " \
1966         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1967 fi
1968
1969 if test "$pie" = ""; then
1970   case "$cpu-$targetos" in
1971     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1972       ;;
1973     *)
1974       pie="no"
1975       ;;
1976   esac
1977 fi
1978
1979 if test "$pie" != "no" ; then
1980   cat > $TMPC << EOF
1981
1982 #ifdef __linux__
1983 #  define THREAD __thread
1984 #else
1985 #  define THREAD
1986 #endif
1987
1988 static THREAD int tls_var;
1989
1990 int main(void) { return tls_var; }
1991
1992 EOF
1993   if compile_prog "-fPIE -DPIE" "-pie"; then
1994     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1995     LDFLAGS="-pie $LDFLAGS"
1996     pie="yes"
1997     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1998       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1999     fi
2000   else
2001     if test "$pie" = "yes"; then
2002       error_exit "PIE not available due to missing toolchain support"
2003     else
2004       echo "Disabling PIE due to missing toolchain support"
2005       pie="no"
2006     fi
2007   fi
2008
2009   if compile_prog "-Werror -fno-pie" "-nopie"; then
2010     CFLAGS_NOPIE="-fno-pie"
2011     LDFLAGS_NOPIE="-nopie"
2012   fi
2013 fi
2014
2015 ##########################################
2016 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2017 # use i686 as default anyway, but for those that don't, an explicit
2018 # specification is necessary
2019
2020 if test "$cpu" = "i386"; then
2021   cat > $TMPC << EOF
2022 static int sfaa(int *ptr)
2023 {
2024   return __sync_fetch_and_and(ptr, 0);
2025 }
2026
2027 int main(void)
2028 {
2029   int val = 42;
2030   val = __sync_val_compare_and_swap(&val, 0, 1);
2031   sfaa(&val);
2032   return val;
2033 }
2034 EOF
2035   if ! compile_prog "" "" ; then
2036     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2037   fi
2038 fi
2039
2040 #########################################
2041 # Solaris specific configure tool chain decisions
2042
2043 if test "$solaris" = "yes" ; then
2044   if has $install; then
2045     :
2046   else
2047     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2048         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2049         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2050   fi
2051   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2052     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2053         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2054         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2055   fi
2056   if has ar; then
2057     :
2058   else
2059     if test -f /usr/ccs/bin/ar ; then
2060       error_exit "No path includes ar" \
2061           "Add /usr/ccs/bin to your path and rerun configure"
2062     fi
2063     error_exit "No path includes ar"
2064   fi
2065 fi
2066
2067 if test -z "${target_list+xxx}" ; then
2068     for target in $default_target_list; do
2069         supported_target $target 2>/dev/null && \
2070             target_list="$target_list $target"
2071     done
2072     target_list="${target_list# }"
2073 else
2074     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2075     for target in $target_list; do
2076         # Check that we recognised the target name; this allows a more
2077         # friendly error message than if we let it fall through.
2078         case " $default_target_list " in
2079             *" $target "*)
2080                 ;;
2081             *)
2082                 error_exit "Unknown target name '$target'"
2083                 ;;
2084         esac
2085         supported_target $target || exit 1
2086     done
2087 fi
2088
2089 # see if system emulation was really requested
2090 case " $target_list " in
2091   *"-softmmu "*) softmmu=yes
2092   ;;
2093   *) softmmu=no
2094   ;;
2095 esac
2096
2097 feature_not_found() {
2098   feature=$1
2099   remedy=$2
2100
2101   error_exit "User requested feature $feature" \
2102       "configure was not able to find it." \
2103       "$remedy"
2104 }
2105
2106 # ---
2107 # big/little endian test
2108 cat > $TMPC << EOF
2109 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2110 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2111 extern int foo(short *, short *);
2112 int main(int argc, char *argv[]) {
2113     return foo(big_endian, little_endian);
2114 }
2115 EOF
2116
2117 if compile_object ; then
2118     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2119         bigendian="yes"
2120     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2121         bigendian="no"
2122     else
2123         echo big/little test failed
2124     fi
2125 else
2126     echo big/little test failed
2127 fi
2128
2129 ##########################################
2130 # cocoa implies not SDL or GTK
2131 # (the cocoa UI code currently assumes it is always the active UI
2132 # and doesn't interact well with other UI frontend code)
2133 if test "$cocoa" = "yes"; then
2134     if test "$sdl" = "yes"; then
2135         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2136     fi
2137     if test "$gtk" = "yes"; then
2138         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2139     fi
2140     gtk=no
2141     sdl=no
2142 fi
2143
2144 # Some versions of Mac OS X incorrectly define SIZE_MAX
2145 cat > $TMPC << EOF
2146 #include <stdint.h>
2147 #include <stdio.h>
2148 int main(int argc, char *argv[]) {
2149     return printf("%zu", SIZE_MAX);
2150 }
2151 EOF
2152 have_broken_size_max=no
2153 if ! compile_object -Werror ; then
2154     have_broken_size_max=yes
2155 fi
2156
2157 ##########################################
2158 # L2TPV3 probe
2159
2160 cat > $TMPC <<EOF
2161 #include <sys/socket.h>
2162 #include <linux/ip.h>
2163 int main(void) { return sizeof(struct mmsghdr); }
2164 EOF
2165 if compile_prog "" "" ; then
2166   l2tpv3=yes
2167 else
2168   l2tpv3=no
2169 fi
2170
2171 #########################################
2172 # vhost interdependencies and host support
2173
2174 # vhost backends
2175 test "$vhost_user" = "" && vhost_user=yes
2176 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2177   error_exit "vhost-user isn't available on win32"
2178 fi
2179 test "$vhost_kernel" = "" && vhost_kernel=$linux
2180 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2181   error_exit "vhost-kernel is only available on Linux"
2182 fi
2183
2184 # vhost-kernel devices
2185 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2186 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2187   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2188 fi
2189 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2190 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2191   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2192 fi
2193
2194 # vhost-user backends
2195 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2196 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2197   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2198 fi
2199 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2200 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2201   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2202 fi
2203
2204 # OR the vhost-kernel and vhost-user values for simplicity
2205 if test "$vhost_net" = ""; then
2206   test "$vhost_net_user" = "yes" && vhost_net=yes
2207   test "$vhost_kernel" = "yes" && vhost_net=yes
2208 fi
2209
2210 ##########################################
2211 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2212
2213 if test "$mingw32" = "yes"; then
2214     # Some versions of MinGW / Mingw-w64 lack localtime_r
2215     # and gmtime_r entirely.
2216     #
2217     # Some versions of Mingw-w64 define a macro for
2218     # localtime_r/gmtime_r.
2219     #
2220     # Some versions of Mingw-w64 will define functions
2221     # for localtime_r/gmtime_r, but only if you have
2222     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2223     # though, unistd.h and pthread.h both define
2224     # that for you.
2225     #
2226     # So this #undef localtime_r and #include <unistd.h>
2227     # are not in fact redundant.
2228 cat > $TMPC << EOF
2229 #include <unistd.h>
2230 #include <time.h>
2231 #undef localtime_r
2232 int main(void) { localtime_r(NULL, NULL); return 0; }
2233 EOF
2234     if compile_prog "" "" ; then
2235         localtime_r="yes"
2236     else
2237         localtime_r="no"
2238     fi
2239 fi
2240
2241 ##########################################
2242 # pkg-config probe
2243
2244 if ! has "$pkg_config_exe"; then
2245   error_exit "pkg-config binary '$pkg_config_exe' not found"
2246 fi
2247
2248 ##########################################
2249 # NPTL probe
2250
2251 if test "$linux_user" = "yes"; then
2252   cat > $TMPC <<EOF
2253 #include <sched.h>
2254 #include <linux/futex.h>
2255 int main(void) {
2256 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2257 #error bork
2258 #endif
2259   return 0;
2260 }
2261 EOF
2262   if ! compile_object ; then
2263     feature_not_found "nptl" "Install glibc and linux kernel headers."
2264   fi
2265 fi
2266
2267 ##########################################
2268 # lzo check
2269
2270 if test "$lzo" != "no" ; then
2271     cat > $TMPC << EOF
2272 #include <lzo/lzo1x.h>
2273 int main(void) { lzo_version(); return 0; }
2274 EOF
2275     if compile_prog "" "-llzo2" ; then
2276         libs_softmmu="$libs_softmmu -llzo2"
2277         lzo="yes"
2278     else
2279         if test "$lzo" = "yes"; then
2280             feature_not_found "liblzo2" "Install liblzo2 devel"
2281         fi
2282         lzo="no"
2283     fi
2284 fi
2285
2286 ##########################################
2287 # snappy check
2288
2289 if test "$snappy" != "no" ; then
2290     cat > $TMPC << EOF
2291 #include <snappy-c.h>
2292 int main(void) { snappy_max_compressed_length(4096); return 0; }
2293 EOF
2294     if compile_prog "" "-lsnappy" ; then
2295         libs_softmmu="$libs_softmmu -lsnappy"
2296         snappy="yes"
2297     else
2298         if test "$snappy" = "yes"; then
2299             feature_not_found "libsnappy" "Install libsnappy devel"
2300         fi
2301         snappy="no"
2302     fi
2303 fi
2304
2305 ##########################################
2306 # bzip2 check
2307
2308 if test "$bzip2" != "no" ; then
2309     cat > $TMPC << EOF
2310 #include <bzlib.h>
2311 int main(void) { BZ2_bzlibVersion(); return 0; }
2312 EOF
2313     if compile_prog "" "-lbz2" ; then
2314         bzip2="yes"
2315     else
2316         if test "$bzip2" = "yes"; then
2317             feature_not_found "libbzip2" "Install libbzip2 devel"
2318         fi
2319         bzip2="no"
2320     fi
2321 fi
2322
2323 ##########################################
2324 # lzfse check
2325
2326 if test "$lzfse" != "no" ; then
2327     cat > $TMPC << EOF
2328 #include <lzfse.h>
2329 int main(void) { lzfse_decode_scratch_size(); return 0; }
2330 EOF
2331     if compile_prog "" "-llzfse" ; then
2332         lzfse="yes"
2333     else
2334         if test "$lzfse" = "yes"; then
2335             feature_not_found "lzfse" "Install lzfse devel"
2336         fi
2337         lzfse="no"
2338     fi
2339 fi
2340
2341 ##########################################
2342 # libseccomp check
2343
2344 libseccomp_minver="2.2.0"
2345 if test "$seccomp" != "no" ; then
2346     case "$cpu" in
2347     i386|x86_64|mips)
2348         ;;
2349     arm|aarch64)
2350         libseccomp_minver="2.2.3"
2351         ;;
2352     ppc|ppc64|s390x)
2353         libseccomp_minver="2.3.0"
2354         ;;
2355     *)
2356         libseccomp_minver=""
2357         ;;
2358     esac
2359
2360     if test "$libseccomp_minver" != "" &&
2361        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2362         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2363         seccomp_libs="$($pkg_config --libs libseccomp)"
2364         seccomp="yes"
2365     else
2366         if test "$seccomp" = "yes" ; then
2367             if test "$libseccomp_minver" != "" ; then
2368                 feature_not_found "libseccomp" \
2369                     "Install libseccomp devel >= $libseccomp_minver"
2370             else
2371                 feature_not_found "libseccomp" \
2372                     "libseccomp is not supported for host cpu $cpu"
2373             fi
2374         fi
2375         seccomp="no"
2376     fi
2377 fi
2378 ##########################################
2379 # xen probe
2380
2381 if test "$xen" != "no" ; then
2382   # Check whether Xen library path is specified via --extra-ldflags to avoid
2383   # overriding this setting with pkg-config output. If not, try pkg-config
2384   # to obtain all needed flags.
2385
2386   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2387      $pkg_config --exists xencontrol ; then
2388     xen_ctrl_version="$(printf '%d%02d%02d' \
2389       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2390     xen=yes
2391     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2392     xen_pc="$xen_pc xenevtchn xendevicemodel"
2393     if $pkg_config --exists xentoolcore; then
2394       xen_pc="$xen_pc xentoolcore"
2395     fi
2396     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2397     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2398   else
2399
2400     xen_libs="-lxenstore -lxenctrl -lxenguest"
2401     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2402
2403     # First we test whether Xen headers and libraries are available.
2404     # If no, we are done and there is no Xen support.
2405     # If yes, more tests are run to detect the Xen version.
2406
2407     # Xen (any)
2408     cat > $TMPC <<EOF
2409 #include <xenctrl.h>
2410 int main(void) {
2411   return 0;
2412 }
2413 EOF
2414     if ! compile_prog "" "$xen_libs" ; then
2415       # Xen not found
2416       if test "$xen" = "yes" ; then
2417         feature_not_found "xen" "Install xen devel"
2418       fi
2419       xen=no
2420
2421     # Xen unstable
2422     elif
2423         cat > $TMPC <<EOF &&
2424 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2425 #define __XEN_TOOLS__
2426 #include <xendevicemodel.h>
2427 #include <xenforeignmemory.h>
2428 int main(void) {
2429   xendevicemodel_handle *xd;
2430   xenforeignmemory_handle *xfmem;
2431
2432   xd = xendevicemodel_open(0, 0);
2433   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2434
2435   xfmem = xenforeignmemory_open(0, 0);
2436   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2437
2438   return 0;
2439 }
2440 EOF
2441         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2442       then
2443       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2444       xen_ctrl_version=41100
2445       xen=yes
2446     elif
2447         cat > $TMPC <<EOF &&
2448 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2449 #include <xenforeignmemory.h>
2450 #include <xentoolcore.h>
2451 int main(void) {
2452   xenforeignmemory_handle *xfmem;
2453
2454   xfmem = xenforeignmemory_open(0, 0);
2455   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2456   xentoolcore_restrict_all(0);
2457
2458   return 0;
2459 }
2460 EOF
2461         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2462       then
2463       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2464       xen_ctrl_version=41000
2465       xen=yes
2466     elif
2467         cat > $TMPC <<EOF &&
2468 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2469 #define __XEN_TOOLS__
2470 #include <xendevicemodel.h>
2471 int main(void) {
2472   xendevicemodel_handle *xd;
2473
2474   xd = xendevicemodel_open(0, 0);
2475   xendevicemodel_close(xd);
2476
2477   return 0;
2478 }
2479 EOF
2480         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2481       then
2482       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2483       xen_ctrl_version=40900
2484       xen=yes
2485     elif
2486         cat > $TMPC <<EOF &&
2487 /*
2488  * If we have stable libs the we don't want the libxc compat
2489  * layers, regardless of what CFLAGS we may have been given.
2490  *
2491  * Also, check if xengnttab_grant_copy_segment_t is defined and
2492  * grant copy operation is implemented.
2493  */
2494 #undef XC_WANT_COMPAT_EVTCHN_API
2495 #undef XC_WANT_COMPAT_GNTTAB_API
2496 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2497 #include <xenctrl.h>
2498 #include <xenstore.h>
2499 #include <xenevtchn.h>
2500 #include <xengnttab.h>
2501 #include <xenforeignmemory.h>
2502 #include <stdint.h>
2503 #include <xen/hvm/hvm_info_table.h>
2504 #if !defined(HVM_MAX_VCPUS)
2505 # error HVM_MAX_VCPUS not defined
2506 #endif
2507 int main(void) {
2508   xc_interface *xc = NULL;
2509   xenforeignmemory_handle *xfmem;
2510   xenevtchn_handle *xe;
2511   xengnttab_handle *xg;
2512   xengnttab_grant_copy_segment_t* seg = NULL;
2513
2514   xs_daemon_open();
2515
2516   xc = xc_interface_open(0, 0, 0);
2517   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2518   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2519   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2520   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2521
2522   xfmem = xenforeignmemory_open(0, 0);
2523   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2524
2525   xe = xenevtchn_open(0, 0);
2526   xenevtchn_fd(xe);
2527
2528   xg = xengnttab_open(0, 0);
2529   xengnttab_grant_copy(xg, 0, seg);
2530
2531   return 0;
2532 }
2533 EOF
2534         compile_prog "" "$xen_libs $xen_stable_libs"
2535       then
2536       xen_ctrl_version=40800
2537       xen=yes
2538     elif
2539         cat > $TMPC <<EOF &&
2540 /*
2541  * If we have stable libs the we don't want the libxc compat
2542  * layers, regardless of what CFLAGS we may have been given.
2543  */
2544 #undef XC_WANT_COMPAT_EVTCHN_API
2545 #undef XC_WANT_COMPAT_GNTTAB_API
2546 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2547 #include <xenctrl.h>
2548 #include <xenstore.h>
2549 #include <xenevtchn.h>
2550 #include <xengnttab.h>
2551 #include <xenforeignmemory.h>
2552 #include <stdint.h>
2553 #include <xen/hvm/hvm_info_table.h>
2554 #if !defined(HVM_MAX_VCPUS)
2555 # error HVM_MAX_VCPUS not defined
2556 #endif
2557 int main(void) {
2558   xc_interface *xc = NULL;
2559   xenforeignmemory_handle *xfmem;
2560   xenevtchn_handle *xe;
2561   xengnttab_handle *xg;
2562
2563   xs_daemon_open();
2564
2565   xc = xc_interface_open(0, 0, 0);
2566   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2567   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2568   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2569   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2570
2571   xfmem = xenforeignmemory_open(0, 0);
2572   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2573
2574   xe = xenevtchn_open(0, 0);
2575   xenevtchn_fd(xe);
2576
2577   xg = xengnttab_open(0, 0);
2578   xengnttab_map_grant_ref(xg, 0, 0, 0);
2579
2580   return 0;
2581 }
2582 EOF
2583         compile_prog "" "$xen_libs $xen_stable_libs"
2584       then
2585       xen_ctrl_version=40701
2586       xen=yes
2587
2588     # Xen 4.6
2589     elif
2590         cat > $TMPC <<EOF &&
2591 #include <xenctrl.h>
2592 #include <xenstore.h>
2593 #include <stdint.h>
2594 #include <xen/hvm/hvm_info_table.h>
2595 #if !defined(HVM_MAX_VCPUS)
2596 # error HVM_MAX_VCPUS not defined
2597 #endif
2598 int main(void) {
2599   xc_interface *xc;
2600   xs_daemon_open();
2601   xc = xc_interface_open(0, 0, 0);
2602   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2603   xc_gnttab_open(NULL, 0);
2604   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2605   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2606   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2607   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2608   return 0;
2609 }
2610 EOF
2611         compile_prog "" "$xen_libs"
2612       then
2613       xen_ctrl_version=40600
2614       xen=yes
2615
2616     # Xen 4.5
2617     elif
2618         cat > $TMPC <<EOF &&
2619 #include <xenctrl.h>
2620 #include <xenstore.h>
2621 #include <stdint.h>
2622 #include <xen/hvm/hvm_info_table.h>
2623 #if !defined(HVM_MAX_VCPUS)
2624 # error HVM_MAX_VCPUS not defined
2625 #endif
2626 int main(void) {
2627   xc_interface *xc;
2628   xs_daemon_open();
2629   xc = xc_interface_open(0, 0, 0);
2630   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2631   xc_gnttab_open(NULL, 0);
2632   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2633   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2634   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2635   return 0;
2636 }
2637 EOF
2638         compile_prog "" "$xen_libs"
2639       then
2640       xen_ctrl_version=40500
2641       xen=yes
2642
2643     elif
2644         cat > $TMPC <<EOF &&
2645 #include <xenctrl.h>
2646 #include <xenstore.h>
2647 #include <stdint.h>
2648 #include <xen/hvm/hvm_info_table.h>
2649 #if !defined(HVM_MAX_VCPUS)
2650 # error HVM_MAX_VCPUS not defined
2651 #endif
2652 int main(void) {
2653   xc_interface *xc;
2654   xs_daemon_open();
2655   xc = xc_interface_open(0, 0, 0);
2656   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2657   xc_gnttab_open(NULL, 0);
2658   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2659   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2660   return 0;
2661 }
2662 EOF
2663         compile_prog "" "$xen_libs"
2664       then
2665       xen_ctrl_version=40200
2666       xen=yes
2667
2668     else
2669       if test "$xen" = "yes" ; then
2670         feature_not_found "xen (unsupported version)" \
2671                           "Install a supported xen (xen 4.2 or newer)"
2672       fi
2673       xen=no
2674     fi
2675
2676     if test "$xen" = yes; then
2677       if test $xen_ctrl_version -ge 40701  ; then
2678         libs_softmmu="$xen_stable_libs $libs_softmmu"
2679       fi
2680       libs_softmmu="$xen_libs $libs_softmmu"
2681     fi
2682   fi
2683 fi
2684
2685 if test "$xen_pci_passthrough" != "no"; then
2686   if test "$xen" = "yes" && test "$linux" = "yes"; then
2687     xen_pci_passthrough=yes
2688   else
2689     if test "$xen_pci_passthrough" = "yes"; then
2690       error_exit "User requested feature Xen PCI Passthrough" \
2691           " but this feature requires /sys from Linux"
2692     fi
2693     xen_pci_passthrough=no
2694   fi
2695 fi
2696
2697 ##########################################
2698 # Windows Hypervisor Platform accelerator (WHPX) check
2699 if test "$whpx" != "no" ; then
2700     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2701         whpx="yes"
2702     else
2703         if test "$whpx" = "yes"; then
2704             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2705         fi
2706         whpx="no"
2707     fi
2708 fi
2709
2710 ##########################################
2711 # Sparse probe
2712 if test "$sparse" != "no" ; then
2713   if has cgcc; then
2714     sparse=yes
2715   else
2716     if test "$sparse" = "yes" ; then
2717       feature_not_found "sparse" "Install sparse binary"
2718     fi
2719     sparse=no
2720   fi
2721 fi
2722
2723 ##########################################
2724 # X11 probe
2725 if $pkg_config --exists "x11"; then
2726     have_x11=yes
2727     x11_cflags=$($pkg_config --cflags x11)
2728     x11_libs=$($pkg_config --libs x11)
2729 fi
2730
2731 ##########################################
2732 # GTK probe
2733
2734 if test "$gtk" != "no"; then
2735     gtkpackage="gtk+-3.0"
2736     gtkx11package="gtk+-x11-3.0"
2737     gtkversion="3.14.0"
2738     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2739         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2740         gtk_libs=$($pkg_config --libs $gtkpackage)
2741         gtk_version=$($pkg_config --modversion $gtkpackage)
2742         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2743             need_x11=yes
2744             gtk_cflags="$gtk_cflags $x11_cflags"
2745             gtk_libs="$gtk_libs $x11_libs"
2746         fi
2747         gtk="yes"
2748     elif test "$gtk" = "yes"; then
2749         feature_not_found "gtk" "Install gtk3-devel"
2750     else
2751         gtk="no"
2752     fi
2753 fi
2754
2755
2756 ##########################################
2757 # GNUTLS probe
2758
2759 if test "$gnutls" != "no"; then
2760     if $pkg_config --exists "gnutls >= 3.1.18"; then
2761         gnutls_cflags=$($pkg_config --cflags gnutls)
2762         gnutls_libs=$($pkg_config --libs gnutls)
2763         libs_softmmu="$gnutls_libs $libs_softmmu"
2764         libs_tools="$gnutls_libs $libs_tools"
2765         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2766         gnutls="yes"
2767     elif test "$gnutls" = "yes"; then
2768         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2769     else
2770         gnutls="no"
2771     fi
2772 fi
2773
2774
2775 # If user didn't give a --disable/enable-gcrypt flag,
2776 # then mark as disabled if user requested nettle
2777 # explicitly
2778 if test -z "$gcrypt"
2779 then
2780     if test "$nettle" = "yes"
2781     then
2782         gcrypt="no"
2783     fi
2784 fi
2785
2786 # If user didn't give a --disable/enable-nettle flag,
2787 # then mark as disabled if user requested gcrypt
2788 # explicitly
2789 if test -z "$nettle"
2790 then
2791     if test "$gcrypt" = "yes"
2792     then
2793         nettle="no"
2794     fi
2795 fi
2796
2797 has_libgcrypt() {
2798     if ! has "libgcrypt-config"
2799     then
2800         return 1
2801     fi
2802
2803     if test -n "$cross_prefix"
2804     then
2805         host=$(libgcrypt-config --host)
2806         if test "$host-" != $cross_prefix
2807         then
2808             return 1
2809         fi
2810     fi
2811
2812     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2813     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2814
2815     if test $maj != 1 || test $min -lt 5
2816     then
2817        return 1
2818     fi
2819
2820     return 0
2821 }
2822
2823
2824 if test "$nettle" != "no"; then
2825     if $pkg_config --exists "nettle >= 2.7.1"; then
2826         nettle_cflags=$($pkg_config --cflags nettle)
2827         nettle_libs=$($pkg_config --libs nettle)
2828         nettle_version=$($pkg_config --modversion nettle)
2829         libs_softmmu="$nettle_libs $libs_softmmu"
2830         libs_tools="$nettle_libs $libs_tools"
2831         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2832         nettle="yes"
2833
2834         if test -z "$gcrypt"; then
2835            gcrypt="no"
2836         fi
2837     else
2838         if test "$nettle" = "yes"; then
2839             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2840         else
2841             nettle="no"
2842         fi
2843     fi
2844 fi
2845
2846 if test "$gcrypt" != "no"; then
2847     if has_libgcrypt; then
2848         gcrypt_cflags=$(libgcrypt-config --cflags)
2849         gcrypt_libs=$(libgcrypt-config --libs)
2850         # Debian has remove -lgpg-error from libgcrypt-config
2851         # as it "spreads unnecessary dependencies" which in
2852         # turn breaks static builds...
2853         if test "$static" = "yes"
2854         then
2855             gcrypt_libs="$gcrypt_libs -lgpg-error"
2856         fi
2857         libs_softmmu="$gcrypt_libs $libs_softmmu"
2858         libs_tools="$gcrypt_libs $libs_tools"
2859         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2860         gcrypt="yes"
2861
2862         cat > $TMPC << EOF
2863 #include <gcrypt.h>
2864 int main(void) {
2865   gcry_mac_hd_t handle;
2866   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2867                 GCRY_MAC_FLAG_SECURE, NULL);
2868   return 0;
2869 }
2870 EOF
2871         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2872             gcrypt_hmac=yes
2873         fi
2874     else
2875         if test "$gcrypt" = "yes"; then
2876             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2877         else
2878             gcrypt="no"
2879         fi
2880     fi
2881 fi
2882
2883
2884 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2885 then
2886     error_exit "Only one of gcrypt & nettle can be enabled"
2887 fi
2888
2889 ##########################################
2890 # libtasn1 - only for the TLS creds/session test suite
2891
2892 tasn1=yes
2893 tasn1_cflags=""
2894 tasn1_libs=""
2895 if $pkg_config --exists "libtasn1"; then
2896     tasn1_cflags=$($pkg_config --cflags libtasn1)
2897     tasn1_libs=$($pkg_config --libs libtasn1)
2898 else
2899     tasn1=no
2900 fi
2901
2902
2903 ##########################################
2904 # PAM probe
2905
2906 if test "$auth_pam" != "no"; then
2907     cat > $TMPC <<EOF
2908 #include <security/pam_appl.h>
2909 #include <stdio.h>
2910 int main(void) {
2911    const char *service_name = "qemu";
2912    const char *user = "frank";
2913    const struct pam_conv *pam_conv = NULL;
2914    pam_handle_t *pamh = NULL;
2915    pam_start(service_name, user, pam_conv, &pamh);
2916    return 0;
2917 }
2918 EOF
2919     if compile_prog "" "-lpam" ; then
2920         auth_pam=yes
2921     else
2922         if test "$auth_pam" = "yes"; then
2923             feature_not_found "PAM" "Install PAM development package"
2924         else
2925             auth_pam=no
2926         fi
2927     fi
2928 fi
2929
2930 ##########################################
2931 # getifaddrs (for tests/test-io-channel-socket )
2932
2933 have_ifaddrs_h=yes
2934 if ! check_include "ifaddrs.h" ; then
2935   have_ifaddrs_h=no
2936 fi
2937
2938 ##########################################
2939 # VTE probe
2940
2941 if test "$vte" != "no"; then
2942     vteminversion="0.32.0"
2943     if $pkg_config --exists "vte-2.91"; then
2944       vtepackage="vte-2.91"
2945     else
2946       vtepackage="vte-2.90"
2947     fi
2948     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2949         vte_cflags=$($pkg_config --cflags $vtepackage)
2950         vte_libs=$($pkg_config --libs $vtepackage)
2951         vteversion=$($pkg_config --modversion $vtepackage)
2952         vte="yes"
2953     elif test "$vte" = "yes"; then
2954         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2955     else
2956         vte="no"
2957     fi
2958 fi
2959
2960 ##########################################
2961 # SDL probe
2962
2963 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2964 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2965
2966 sdl_probe ()
2967 {
2968   if $pkg_config sdl2 --exists; then
2969     sdlconfig="$pkg_config sdl2"
2970     sdlversion=$($sdlconfig --modversion 2>/dev/null)
2971   elif has ${sdl_config}; then
2972     sdlconfig="$sdl2_config"
2973     sdlversion=$($sdlconfig --version)
2974   else
2975     if test "$sdl" = "yes" ; then
2976       feature_not_found "sdl" "Install SDL2-devel"
2977     fi
2978     sdl=no
2979     # no need to do the rest
2980     return
2981   fi
2982   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2983     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2984   fi
2985
2986   cat > $TMPC << EOF
2987 #include <SDL.h>
2988 #undef main /* We don't want SDL to override our main() */
2989 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2990 EOF
2991   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2992   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
2993   if test "$static" = "yes" ; then
2994     if $pkg_config sdl2 --exists; then
2995       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
2996     else
2997       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2998     fi
2999   else
3000     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3001   fi
3002   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3003     sdl=yes
3004
3005     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3006     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3007       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3008          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3009          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3010       fi
3011       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3012         :
3013       else
3014         sdl=no
3015       fi
3016     fi # static link
3017   else # sdl not found
3018     if test "$sdl" = "yes" ; then
3019       feature_not_found "sdl" "Install SDL2 devel"
3020     fi
3021     sdl=no
3022   fi # sdl compile test
3023 }
3024
3025 sdl_image_probe ()
3026 {
3027     if test "$sdl_image" != "no" ; then
3028         if $pkg_config SDL2_image --exists; then
3029             if test "$static" = "yes"; then
3030                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3031             else
3032                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3033             fi
3034             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3035             sdl_image=yes
3036
3037             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3038             sdl_libs="$sdl_libs $sdl_image_libs"
3039         else
3040             if test "$sdl_image" = "yes" ; then
3041                 feature_not_found "sdl_image" "Install SDL Image devel"
3042             else
3043                 sdl_image=no
3044             fi
3045         fi
3046     fi
3047 }
3048
3049 if test "$sdl" != "no" ; then
3050   sdl_probe
3051 fi
3052
3053 if test "$sdl" = "yes" ; then
3054   sdl_image_probe
3055 else
3056   if test "$sdl_image" = "yes"; then
3057     echo "warning: SDL Image requested, but SDL is not available, disabling"
3058   fi
3059   sdl_image=no
3060 fi
3061
3062 if test "$sdl" = "yes" ; then
3063   cat > $TMPC <<EOF
3064 #include <SDL.h>
3065 #if defined(SDL_VIDEO_DRIVER_X11)
3066 #include <X11/XKBlib.h>
3067 #else
3068 #error No x11 support
3069 #endif
3070 int main(void) { return 0; }
3071 EOF
3072   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3073     need_x11=yes
3074     sdl_cflags="$sdl_cflags $x11_cflags"
3075     sdl_libs="$sdl_libs $x11_libs"
3076   fi
3077 fi
3078
3079 ##########################################
3080 # RDMA needs OpenFabrics libraries
3081 if test "$rdma" != "no" ; then
3082   cat > $TMPC <<EOF
3083 #include <rdma/rdma_cma.h>
3084 int main(void) { return 0; }
3085 EOF
3086   rdma_libs="-lrdmacm -libverbs -libumad"
3087   if compile_prog "" "$rdma_libs" ; then
3088     rdma="yes"
3089     libs_softmmu="$libs_softmmu $rdma_libs"
3090   else
3091     if test "$rdma" = "yes" ; then
3092         error_exit \
3093             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3094             " Your options:" \
3095             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3096             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3097             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3098     fi
3099     rdma="no"
3100   fi
3101 fi
3102
3103 ##########################################
3104 # PVRDMA detection
3105
3106 cat > $TMPC <<EOF &&
3107 #include <sys/mman.h>
3108
3109 int
3110 main(void)
3111 {
3112     char buf = 0;
3113     void *addr = &buf;
3114     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3115
3116     return 0;
3117 }
3118 EOF
3119
3120 if test "$rdma" = "yes" ; then
3121     case "$pvrdma" in
3122     "")
3123         if compile_prog "" ""; then
3124             pvrdma="yes"
3125         else
3126             pvrdma="no"
3127         fi
3128         ;;
3129     "yes")
3130         if ! compile_prog "" ""; then
3131             error_exit "PVRDMA is not supported since mremap is not implemented"
3132         fi
3133         pvrdma="yes"
3134         ;;
3135     "no")
3136         pvrdma="no"
3137         ;;
3138     esac
3139 else
3140     if test "$pvrdma" = "yes" ; then
3141         error_exit "PVRDMA requires rdma suppport"
3142     fi
3143     pvrdma="no"
3144 fi
3145
3146 ##########################################
3147 # VNC SASL detection
3148 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3149   cat > $TMPC <<EOF
3150 #include <sasl/sasl.h>
3151 #include <stdio.h>
3152 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3153 EOF
3154   # Assuming Cyrus-SASL installed in /usr prefix
3155   vnc_sasl_cflags=""
3156   vnc_sasl_libs="-lsasl2"
3157   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3158     vnc_sasl=yes
3159     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3160     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3161   else
3162     if test "$vnc_sasl" = "yes" ; then
3163       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3164     fi
3165     vnc_sasl=no
3166   fi
3167 fi
3168
3169 ##########################################
3170 # VNC JPEG detection
3171 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3172 cat > $TMPC <<EOF
3173 #include <stdio.h>
3174 #include <jpeglib.h>
3175 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3176 EOF
3177     vnc_jpeg_cflags=""
3178     vnc_jpeg_libs="-ljpeg"
3179   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3180     vnc_jpeg=yes
3181     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3182     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3183   else
3184     if test "$vnc_jpeg" = "yes" ; then
3185       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3186     fi
3187     vnc_jpeg=no
3188   fi
3189 fi
3190
3191 ##########################################
3192 # VNC PNG detection
3193 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3194 cat > $TMPC <<EOF
3195 //#include <stdio.h>
3196 #include <png.h>
3197 #include <stddef.h>
3198 int main(void) {
3199     png_structp png_ptr;
3200     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3201     return png_ptr != 0;
3202 }
3203 EOF
3204   if $pkg_config libpng --exists; then
3205     vnc_png_cflags=$($pkg_config libpng --cflags)
3206     vnc_png_libs=$($pkg_config libpng --libs)
3207   else
3208     vnc_png_cflags=""
3209     vnc_png_libs="-lpng"
3210   fi
3211   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3212     vnc_png=yes
3213     libs_softmmu="$vnc_png_libs $libs_softmmu"
3214     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3215   else
3216     if test "$vnc_png" = "yes" ; then
3217       feature_not_found "vnc-png" "Install libpng devel"
3218     fi
3219     vnc_png=no
3220   fi
3221 fi
3222
3223 ##########################################
3224 # xkbcommon probe
3225 if test "$xkbcommon" != "no" ; then
3226   if $pkg_config xkbcommon --exists; then
3227     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3228     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3229     xkbcommon=yes
3230   else
3231     if test "$xkbcommon" = "yes" ; then
3232       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3233     fi
3234     xkbcommon=no
3235   fi
3236 fi
3237
3238
3239 ##########################################
3240 # xfsctl() probe, used for file-posix.c
3241 if test "$xfs" != "no" ; then
3242   cat > $TMPC << EOF
3243 #include <stddef.h>  /* NULL */
3244 #include <xfs/xfs.h>
3245 int main(void)
3246 {
3247     xfsctl(NULL, 0, 0, NULL);
3248     return 0;
3249 }
3250 EOF
3251   if compile_prog "" "" ; then
3252     xfs="yes"
3253   else
3254     if test "$xfs" = "yes" ; then
3255       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3256     fi
3257     xfs=no
3258   fi
3259 fi
3260
3261 ##########################################
3262 # vde libraries probe
3263 if test "$vde" != "no" ; then
3264   vde_libs="-lvdeplug"
3265   cat > $TMPC << EOF
3266 #include <libvdeplug.h>
3267 int main(void)
3268 {
3269     struct vde_open_args a = {0, 0, 0};
3270     char s[] = "";
3271     vde_open(s, s, &a);
3272     return 0;
3273 }
3274 EOF
3275   if compile_prog "" "$vde_libs" ; then
3276     vde=yes
3277   else
3278     if test "$vde" = "yes" ; then
3279       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3280     fi
3281     vde=no
3282   fi
3283 fi
3284
3285 ##########################################
3286 # netmap support probe
3287 # Apart from looking for netmap headers, we make sure that the host API version
3288 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3289 # a minor/major version number. Minor new features will be marked with values up
3290 # to 15, and if something happens that requires a change to the backend we will
3291 # move above 15, submit the backend fixes and modify this two bounds.
3292 if test "$netmap" != "no" ; then
3293   cat > $TMPC << EOF
3294 #include <inttypes.h>
3295 #include <net/if.h>
3296 #include <net/netmap.h>
3297 #include <net/netmap_user.h>
3298 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3299 #error
3300 #endif
3301 int main(void) { return 0; }
3302 EOF
3303   if compile_prog "" "" ; then
3304     netmap=yes
3305   else
3306     if test "$netmap" = "yes" ; then
3307       feature_not_found "netmap"
3308     fi
3309     netmap=no
3310   fi
3311 fi
3312
3313 ##########################################
3314 # libcap-ng library probe
3315 if test "$cap_ng" != "no" ; then
3316   cap_libs="-lcap-ng"
3317   cat > $TMPC << EOF
3318 #include <cap-ng.h>
3319 int main(void)
3320 {
3321     capng_capability_to_name(CAPNG_EFFECTIVE);
3322     return 0;
3323 }
3324 EOF
3325   if compile_prog "" "$cap_libs" ; then
3326     cap_ng=yes
3327     libs_tools="$cap_libs $libs_tools"
3328   else
3329     if test "$cap_ng" = "yes" ; then
3330       feature_not_found "cap_ng" "Install libcap-ng devel"
3331     fi
3332     cap_ng=no
3333   fi
3334 fi
3335
3336 ##########################################
3337 # Sound support libraries probe
3338
3339 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3340 for drv in $audio_drv_list; do
3341     case $drv in
3342     alsa | try-alsa)
3343     if $pkg_config alsa --exists; then
3344         alsa_libs=$($pkg_config alsa --libs)
3345         if test "$drv" = "try-alsa"; then
3346             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3347         fi
3348     else
3349         if test "$drv" = "try-alsa"; then
3350             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3351         else
3352             error_exit "$drv check failed" \
3353                 "Make sure to have the $drv libs and headers installed."
3354         fi
3355     fi
3356     ;;
3357
3358     pa | try-pa)
3359     if $pkg_config libpulse --exists; then
3360         pulse_libs=$($pkg_config libpulse --libs)
3361         audio_pt_int="yes"
3362         if test "$drv" = "try-pa"; then
3363             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3364         fi
3365     else
3366         if test "$drv" = "try-pa"; then
3367             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3368         else
3369             error_exit "$drv check failed" \
3370                 "Make sure to have the $drv libs and headers installed."
3371         fi
3372     fi
3373     ;;
3374
3375     sdl)
3376     if test "$sdl" = "no"; then
3377         error_exit "sdl not found or disabled, can not use sdl audio driver"
3378     fi
3379     ;;
3380
3381     try-sdl)
3382     if test "$sdl" = "no"; then
3383         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3384     else
3385         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3386     fi
3387     ;;
3388
3389     coreaudio)
3390       coreaudio_libs="-framework CoreAudio"
3391     ;;
3392
3393     dsound)
3394       dsound_libs="-lole32 -ldxguid"
3395       audio_win_int="yes"
3396     ;;
3397
3398     oss)
3399       oss_libs="$oss_lib"
3400     ;;
3401
3402     *)
3403     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3404         error_exit "Unknown driver '$drv' selected" \
3405             "Possible drivers are: $audio_possible_drivers"
3406     }
3407     ;;
3408     esac
3409 done
3410
3411 ##########################################
3412 # BrlAPI probe
3413
3414 if test "$brlapi" != "no" ; then
3415   brlapi_libs="-lbrlapi"
3416   cat > $TMPC << EOF
3417 #include <brlapi.h>
3418 #include <stddef.h>
3419 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3420 EOF
3421   if compile_prog "" "$brlapi_libs" ; then
3422     brlapi=yes
3423   else
3424     if test "$brlapi" = "yes" ; then
3425       feature_not_found "brlapi" "Install brlapi devel"
3426     fi
3427     brlapi=no
3428   fi
3429 fi
3430
3431 ##########################################
3432 # curses probe
3433 if test "$curses" != "no" ; then
3434   if test "$mingw32" = "yes" ; then
3435     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3436     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3437   else
3438     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3439     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3440   fi
3441   curses_found=no
3442   cat > $TMPC << EOF
3443 #include <locale.h>
3444 #include <curses.h>
3445 #include <wchar.h>
3446 int main(void) {
3447   wchar_t wch = L'w';
3448   setlocale(LC_ALL, "");
3449   resize_term(0, 0);
3450   addwstr(L"wide chars\n");
3451   addnwstr(&wch, 1);
3452   add_wch(WACS_DEGREE);
3453   return 0;
3454 }
3455 EOF
3456   IFS=:
3457   for curses_inc in $curses_inc_list; do
3458     # Make sure we get the wide character prototypes
3459     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3460     IFS=:
3461     for curses_lib in $curses_lib_list; do
3462       unset IFS
3463       if compile_prog "$curses_inc" "$curses_lib" ; then
3464         curses_found=yes
3465         break
3466       fi
3467     done
3468     if test "$curses_found" = yes ; then
3469       break
3470     fi
3471   done
3472   unset IFS
3473   if test "$curses_found" = "yes" ; then
3474     curses=yes
3475   else
3476     if test "$curses" = "yes" ; then
3477       feature_not_found "curses" "Install ncurses devel"
3478     fi
3479     curses=no
3480   fi
3481 fi
3482
3483 ##########################################
3484 # curl probe
3485 if test "$curl" != "no" ; then
3486   if $pkg_config libcurl --exists; then
3487     curlconfig="$pkg_config libcurl"
3488   else
3489     curlconfig=curl-config
3490   fi
3491   cat > $TMPC << EOF
3492 #include <curl/curl.h>
3493 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3494 EOF
3495   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3496   curl_libs=$($curlconfig --libs 2>/dev/null)
3497   if compile_prog "$curl_cflags" "$curl_libs" ; then
3498     curl=yes
3499   else
3500     if test "$curl" = "yes" ; then
3501       feature_not_found "curl" "Install libcurl devel"
3502     fi
3503     curl=no
3504   fi
3505 fi # test "$curl"
3506
3507 ##########################################
3508 # bluez support probe
3509 if test "$bluez" != "no" ; then
3510   cat > $TMPC << EOF
3511 #include <bluetooth/bluetooth.h>
3512 int main(void) { return bt_error(0); }
3513 EOF
3514   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3515   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3516   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3517     bluez=yes
3518     libs_softmmu="$bluez_libs $libs_softmmu"
3519   else
3520     if test "$bluez" = "yes" ; then
3521       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3522     fi
3523     bluez="no"
3524   fi
3525 fi
3526
3527 ##########################################
3528 # glib support probe
3529
3530 glib_req_ver=2.40
3531 glib_modules=gthread-2.0
3532 if test "$modules" = yes; then
3533     glib_modules="$glib_modules gmodule-export-2.0"
3534 fi
3535
3536 # This workaround is required due to a bug in pkg-config file for glib as it
3537 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3538
3539 if test "$static" = yes && test "$mingw32" = yes; then
3540     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3541 fi
3542
3543 for i in $glib_modules; do
3544     if $pkg_config --atleast-version=$glib_req_ver $i; then
3545         glib_cflags=$($pkg_config --cflags $i)
3546         glib_libs=$($pkg_config --libs $i)
3547         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3548         LIBS="$glib_libs $LIBS"
3549         libs_qga="$glib_libs $libs_qga"
3550     else
3551         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3552     fi
3553 done
3554
3555 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3556     gio=yes
3557     gio_cflags=$($pkg_config --cflags gio-2.0)
3558     gio_libs=$($pkg_config --libs gio-2.0)
3559 else
3560     gio=no
3561 fi
3562
3563 # Sanity check that the current size_t matches the
3564 # size that glib thinks it should be. This catches
3565 # problems on multi-arch where people try to build
3566 # 32-bit QEMU while pointing at 64-bit glib headers
3567 cat > $TMPC <<EOF
3568 #include <glib.h>
3569 #include <unistd.h>
3570
3571 #define QEMU_BUILD_BUG_ON(x) \
3572   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3573
3574 int main(void) {
3575    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3576    return 0;
3577 }
3578 EOF
3579
3580 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3581     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3582                "You probably need to set PKG_CONFIG_LIBDIR"\
3583                "to point to the right pkg-config files for your"\
3584                "build target"
3585 fi
3586
3587 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3588 cat > $TMPC << EOF
3589 #include <glib.h>
3590 int main(void) { return 0; }
3591 EOF
3592 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3593     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3594         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3595         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3596     fi
3597 fi
3598
3599 #########################################
3600 # zlib check
3601
3602 if test "$zlib" != "no" ; then
3603     if $pkg_config --exists zlib; then
3604         zlib_cflags=$($pkg_config --cflags zlib)
3605         zlib_libs=$($pkg_config --libs zlib)
3606         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3607         LIBS="$zlib_libs $LIBS"
3608     else
3609         cat > $TMPC << EOF
3610 #include <zlib.h>
3611 int main(void) { zlibVersion(); return 0; }
3612 EOF
3613         if compile_prog "" "-lz" ; then
3614             LIBS="$LIBS -lz"
3615         else
3616             error_exit "zlib check failed" \
3617                 "Make sure to have the zlib libs and headers installed."
3618         fi
3619     fi
3620 fi
3621
3622 ##########################################
3623 # SHA command probe for modules
3624 if test "$modules" = yes; then
3625     shacmd_probe="sha1sum sha1 shasum"
3626     for c in $shacmd_probe; do
3627         if has $c; then
3628             shacmd="$c"
3629             break
3630         fi
3631     done
3632     if test "$shacmd" = ""; then
3633         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3634     fi
3635 fi
3636
3637 ##########################################
3638 # pixman support probe
3639
3640 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3641   pixman_cflags=
3642   pixman_libs=
3643 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3644   pixman_cflags=$($pkg_config --cflags pixman-1)
3645   pixman_libs=$($pkg_config --libs pixman-1)
3646 else
3647   error_exit "pixman >= 0.21.8 not present." \
3648       "Please install the pixman devel package."
3649 fi
3650
3651 ##########################################
3652 # libmpathpersist probe
3653
3654 if test "$mpath" != "no" ; then
3655   # probe for the new API
3656   cat > $TMPC <<EOF
3657 #include <libudev.h>
3658 #include <mpath_persist.h>
3659 unsigned mpath_mx_alloc_len = 1024;
3660 int logsink;
3661 static struct config *multipath_conf;
3662 extern struct udev *udev;
3663 extern struct config *get_multipath_config(void);
3664 extern void put_multipath_config(struct config *conf);
3665 struct udev *udev;
3666 struct config *get_multipath_config(void) { return multipath_conf; }
3667 void put_multipath_config(struct config *conf) { }
3668
3669 int main(void) {
3670     udev = udev_new();
3671     multipath_conf = mpath_lib_init();
3672     return 0;
3673 }
3674 EOF
3675   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3676     mpathpersist=yes
3677     mpathpersist_new_api=yes
3678   else
3679     # probe for the old API
3680     cat > $TMPC <<EOF
3681 #include <libudev.h>
3682 #include <mpath_persist.h>
3683 unsigned mpath_mx_alloc_len = 1024;
3684 int logsink;
3685 int main(void) {
3686     struct udev *udev = udev_new();
3687     mpath_lib_init(udev);
3688     return 0;
3689 }
3690 EOF
3691     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3692       mpathpersist=yes
3693       mpathpersist_new_api=no
3694     else
3695       mpathpersist=no
3696     fi
3697   fi
3698 else
3699   mpathpersist=no
3700 fi
3701
3702 ##########################################
3703 # libcap probe
3704
3705 if test "$cap" != "no" ; then
3706   cat > $TMPC <<EOF
3707 #include <stdio.h>
3708 #include <sys/capability.h>
3709 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3710 EOF
3711   if compile_prog "" "-lcap" ; then
3712     cap=yes
3713   else
3714     cap=no
3715   fi
3716 fi
3717
3718 ##########################################
3719 # pthread probe
3720 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3721
3722 pthread=no
3723 cat > $TMPC << EOF
3724 #include <pthread.h>
3725 static void *f(void *p) { return NULL; }
3726 int main(void) {
3727   pthread_t thread;
3728   pthread_create(&thread, 0, f, 0);
3729   return 0;
3730 }
3731 EOF
3732 if compile_prog "" "" ; then
3733   pthread=yes
3734 else
3735   for pthread_lib in $PTHREADLIBS_LIST; do
3736     if compile_prog "" "$pthread_lib" ; then
3737       pthread=yes
3738       found=no
3739       for lib_entry in $LIBS; do
3740         if test "$lib_entry" = "$pthread_lib"; then
3741           found=yes
3742           break
3743         fi
3744       done
3745       if test "$found" = "no"; then
3746         LIBS="$pthread_lib $LIBS"
3747         libs_qga="$pthread_lib $libs_qga"
3748       fi
3749       PTHREAD_LIB="$pthread_lib"
3750       break
3751     fi
3752   done
3753 fi
3754
3755 if test "$mingw32" != yes && test "$pthread" = no; then
3756   error_exit "pthread check failed" \
3757       "Make sure to have the pthread libs and headers installed."
3758 fi
3759
3760 # check for pthread_setname_np with thread id
3761 pthread_setname_np_w_tid=no
3762 cat > $TMPC << EOF
3763 #include <pthread.h>
3764
3765 static void *f(void *p) { return NULL; }
3766 int main(void)
3767 {
3768     pthread_t thread;
3769     pthread_create(&thread, 0, f, 0);
3770     pthread_setname_np(thread, "QEMU");
3771     return 0;
3772 }
3773 EOF
3774 if compile_prog "" "$pthread_lib" ; then
3775   pthread_setname_np_w_tid=yes
3776 fi
3777
3778 # check for pthread_setname_np without thread id
3779 pthread_setname_np_wo_tid=no
3780 cat > $TMPC << EOF
3781 #include <pthread.h>
3782
3783 static void *f(void *p) { pthread_setname_np("QEMU"); }
3784 int main(void)
3785 {
3786     pthread_t thread;
3787     pthread_create(&thread, 0, f, 0);
3788     return 0;
3789 }
3790 EOF
3791 if compile_prog "" "$pthread_lib" ; then
3792   pthread_setname_np_wo_tid=yes
3793 fi
3794
3795 ##########################################
3796 # rbd probe
3797 if test "$rbd" != "no" ; then
3798   cat > $TMPC <<EOF
3799 #include <stdio.h>
3800 #include <rbd/librbd.h>
3801 int main(void) {
3802     rados_t cluster;
3803     rados_create(&cluster, NULL);
3804     return 0;
3805 }
3806 EOF
3807   rbd_libs="-lrbd -lrados"
3808   if compile_prog "" "$rbd_libs" ; then
3809     rbd=yes
3810   else
3811     if test "$rbd" = "yes" ; then
3812       feature_not_found "rados block device" "Install librbd/ceph devel"
3813     fi
3814     rbd=no
3815   fi
3816 fi
3817
3818 ##########################################
3819 # libssh2 probe
3820 min_libssh2_version=1.2.8
3821 if test "$libssh2" != "no" ; then
3822   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3823     libssh2_cflags=$($pkg_config libssh2 --cflags)
3824     libssh2_libs=$($pkg_config libssh2 --libs)
3825     libssh2=yes
3826   else
3827     if test "$libssh2" = "yes" ; then
3828       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3829     fi
3830     libssh2=no
3831   fi
3832 fi
3833
3834 ##########################################
3835 # libssh2_sftp_fsync probe
3836
3837 if test "$libssh2" = "yes"; then
3838   cat > $TMPC <<EOF
3839 #include <stdio.h>
3840 #include <libssh2.h>
3841 #include <libssh2_sftp.h>
3842 int main(void) {
3843     LIBSSH2_SESSION *session;
3844     LIBSSH2_SFTP *sftp;
3845     LIBSSH2_SFTP_HANDLE *sftp_handle;
3846     session = libssh2_session_init ();
3847     sftp = libssh2_sftp_init (session);
3848     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3849     libssh2_sftp_fsync (sftp_handle);
3850     return 0;
3851 }
3852 EOF
3853   # libssh2_cflags/libssh2_libs defined in previous test.
3854   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3855     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3856   fi
3857 fi
3858
3859 ##########################################
3860 # linux-aio probe
3861
3862 if test "$linux_aio" != "no" ; then
3863   cat > $TMPC <<EOF
3864 #include <libaio.h>
3865 #include <sys/eventfd.h>
3866 #include <stddef.h>
3867 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3868 EOF
3869   if compile_prog "" "-laio" ; then
3870     linux_aio=yes
3871   else
3872     if test "$linux_aio" = "yes" ; then
3873       feature_not_found "linux AIO" "Install libaio devel"
3874     fi
3875     linux_aio=no
3876   fi
3877 fi
3878
3879 ##########################################
3880 # TPM emulation is only on POSIX
3881
3882 if test "$tpm" = ""; then
3883   if test "$mingw32" = "yes"; then
3884     tpm=no
3885   else
3886     tpm=yes
3887   fi
3888 elif test "$tpm" = "yes"; then
3889   if test "$mingw32" = "yes" ; then
3890     error_exit "TPM emulation only available on POSIX systems"
3891   fi
3892 fi
3893
3894 ##########################################
3895 # attr probe
3896
3897 if test "$attr" != "no" ; then
3898   cat > $TMPC <<EOF
3899 #include <stdio.h>
3900 #include <sys/types.h>
3901 #ifdef CONFIG_LIBATTR
3902 #include <attr/xattr.h>
3903 #else
3904 #include <sys/xattr.h>
3905 #endif
3906 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3907 EOF
3908   if compile_prog "" "" ; then
3909     attr=yes
3910   # Older distros have <attr/xattr.h>, and need -lattr:
3911   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3912     attr=yes
3913     LIBS="-lattr $LIBS"
3914     libattr=yes
3915   else
3916     if test "$attr" = "yes" ; then
3917       feature_not_found "ATTR" "Install libc6 or libattr devel"
3918     fi
3919     attr=no
3920   fi
3921 fi
3922
3923 ##########################################
3924 # iovec probe
3925 cat > $TMPC <<EOF
3926 #include <sys/types.h>
3927 #include <sys/uio.h>
3928 #include <unistd.h>
3929 int main(void) { return sizeof(struct iovec); }
3930 EOF
3931 iovec=no
3932 if compile_prog "" "" ; then
3933   iovec=yes
3934 fi
3935
3936 ##########################################
3937 # preadv probe
3938 cat > $TMPC <<EOF
3939 #include <sys/types.h>
3940 #include <sys/uio.h>
3941 #include <unistd.h>
3942 int main(void) { return preadv(0, 0, 0, 0); }
3943 EOF
3944 preadv=no
3945 if compile_prog "" "" ; then
3946   preadv=yes
3947 fi
3948
3949 ##########################################
3950 # fdt probe
3951 # fdt support is mandatory for at least some target architectures,
3952 # so insist on it if we're building those system emulators.
3953 fdt_required=no
3954 for target in $target_list; do
3955   case $target in
3956     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
3957       fdt_required=yes
3958     ;;
3959   esac
3960 done
3961
3962 if test "$fdt_required" = "yes"; then
3963   if test "$fdt" = "no"; then
3964     error_exit "fdt disabled but some requested targets require it." \
3965       "You can turn off fdt only if you also disable all the system emulation" \
3966       "targets which need it (by specifying a cut down --target-list)."
3967   fi
3968   fdt=yes
3969 fi
3970
3971 if test "$fdt" != "no" ; then
3972   fdt_libs="-lfdt"
3973   # explicitly check for libfdt_env.h as it is missing in some stable installs
3974   # and test for required functions to make sure we are on a version >= 1.4.2
3975   cat > $TMPC << EOF
3976 #include <libfdt.h>
3977 #include <libfdt_env.h>
3978 int main(void) { fdt_check_full(NULL, 0); return 0; }
3979 EOF
3980   if compile_prog "" "$fdt_libs" ; then
3981     # system DTC is good - use it
3982     fdt=system
3983   else
3984       # have GIT checkout, so activate dtc submodule
3985       if test -e "${source_path}/.git" ; then
3986           git_submodules="${git_submodules} dtc"
3987       fi
3988       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3989           fdt=git
3990           mkdir -p dtc
3991           if [ "$pwd_is_source_path" != "y" ] ; then
3992               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3993               symlink "$source_path/dtc/scripts" "dtc/scripts"
3994           fi
3995           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3996           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
3997           fdt_libs="$fdt_libs"
3998       elif test "$fdt" = "yes" ; then
3999           # Not a git build & no libfdt found, prompt for system install
4000           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4001                      "Please install the DTC (libfdt) devel package"
4002       else
4003           # don't have and don't want
4004           fdt_libs=
4005           fdt=no
4006       fi
4007   fi
4008 fi
4009
4010 libs_softmmu="$libs_softmmu $fdt_libs"
4011
4012 ##########################################
4013 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4014
4015 if test "$opengl" != "no" ; then
4016   opengl_pkgs="epoxy gbm"
4017   if $pkg_config $opengl_pkgs; then
4018     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4019     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4020     opengl=yes
4021     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4022         gtk_gl="yes"
4023     fi
4024     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4025   else
4026     if test "$opengl" = "yes" ; then
4027       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4028     fi
4029     opengl_cflags=""
4030     opengl_libs=""
4031     opengl=no
4032   fi
4033 fi
4034
4035 if test "$opengl" = "yes"; then
4036   cat > $TMPC << EOF
4037 #include <epoxy/egl.h>
4038 #ifndef EGL_MESA_image_dma_buf_export
4039 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4040 #endif
4041 int main(void) { return 0; }
4042 EOF
4043   if compile_prog "" "" ; then
4044     opengl_dmabuf=yes
4045   fi
4046 fi
4047
4048 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4049   for target in $target_list; do
4050     case $target in
4051       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4052         need_x11=yes
4053       ;;
4054     esac
4055   done
4056 fi
4057
4058 ##########################################
4059 # libxml2 probe
4060 if test "$libxml2" != "no" ; then
4061     if $pkg_config --exists libxml-2.0; then
4062         libxml2="yes"
4063         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4064         libxml2_libs=$($pkg_config --libs libxml-2.0)
4065     else
4066         if test "$libxml2" = "yes"; then
4067             feature_not_found "libxml2" "Install libxml2 devel"
4068         fi
4069         libxml2="no"
4070     fi
4071 fi
4072
4073 ##########################################
4074 # glusterfs probe
4075 if test "$glusterfs" != "no" ; then
4076   if $pkg_config --atleast-version=3 glusterfs-api; then
4077     glusterfs="yes"
4078     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4079     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4080     if $pkg_config --atleast-version=4 glusterfs-api; then
4081       glusterfs_xlator_opt="yes"
4082     fi
4083     if $pkg_config --atleast-version=5 glusterfs-api; then
4084       glusterfs_discard="yes"
4085     fi
4086     if $pkg_config --atleast-version=6 glusterfs-api; then
4087       glusterfs_fallocate="yes"
4088       glusterfs_zerofill="yes"
4089     fi
4090   else
4091     if test "$glusterfs" = "yes" ; then
4092       feature_not_found "GlusterFS backend support" \
4093           "Install glusterfs-api devel >= 3"
4094     fi
4095     glusterfs="no"
4096   fi
4097 fi
4098
4099 # Check for inotify functions when we are building linux-user
4100 # emulator.  This is done because older glibc versions don't
4101 # have syscall stubs for these implemented.  In that case we
4102 # don't provide them even if kernel supports them.
4103 #
4104 inotify=no
4105 cat > $TMPC << EOF
4106 #include <sys/inotify.h>
4107
4108 int
4109 main(void)
4110 {
4111         /* try to start inotify */
4112         return inotify_init();
4113 }
4114 EOF
4115 if compile_prog "" "" ; then
4116   inotify=yes
4117 fi
4118
4119 inotify1=no
4120 cat > $TMPC << EOF
4121 #include <sys/inotify.h>
4122
4123 int
4124 main(void)
4125 {
4126     /* try to start inotify */
4127     return inotify_init1(0);
4128 }
4129 EOF
4130 if compile_prog "" "" ; then
4131   inotify1=yes
4132 fi
4133
4134 # check if pipe2 is there
4135 pipe2=no
4136 cat > $TMPC << EOF
4137 #include <unistd.h>
4138 #include <fcntl.h>
4139
4140 int main(void)
4141 {
4142     int pipefd[2];
4143     return pipe2(pipefd, O_CLOEXEC);
4144 }
4145 EOF
4146 if compile_prog "" "" ; then
4147   pipe2=yes
4148 fi
4149
4150 # check if accept4 is there
4151 accept4=no
4152 cat > $TMPC << EOF
4153 #include <sys/socket.h>
4154 #include <stddef.h>
4155
4156 int main(void)
4157 {
4158     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4159     return 0;
4160 }
4161 EOF
4162 if compile_prog "" "" ; then
4163   accept4=yes
4164 fi
4165
4166 # check if tee/splice is there. vmsplice was added same time.
4167 splice=no
4168 cat > $TMPC << EOF
4169 #include <unistd.h>
4170 #include <fcntl.h>
4171 #include <limits.h>
4172
4173 int main(void)
4174 {
4175     int len, fd = 0;
4176     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4177     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4178     return 0;
4179 }
4180 EOF
4181 if compile_prog "" "" ; then
4182   splice=yes
4183 fi
4184
4185 ##########################################
4186 # libnuma probe
4187
4188 if test "$numa" != "no" ; then
4189   cat > $TMPC << EOF
4190 #include <numa.h>
4191 int main(void) { return numa_available(); }
4192 EOF
4193
4194   if compile_prog "" "-lnuma" ; then
4195     numa=yes
4196     libs_softmmu="-lnuma $libs_softmmu"
4197   else
4198     if test "$numa" = "yes" ; then
4199       feature_not_found "numa" "install numactl devel"
4200     fi
4201     numa=no
4202   fi
4203 fi
4204
4205 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4206     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4207     exit 1
4208 fi
4209
4210 # Even if malloc_trim() is available, these non-libc memory allocators
4211 # do not support it.
4212 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4213     if test "$malloc_trim" = "yes" ; then
4214         echo "Disabling malloc_trim with non-libc memory allocator"
4215     fi
4216     malloc_trim="no"
4217 fi
4218
4219 #######################################
4220 # malloc_trim
4221
4222 if test "$malloc_trim" != "no" ; then
4223     cat > $TMPC << EOF
4224 #include <malloc.h>
4225 int main(void) { malloc_trim(0); return 0; }
4226 EOF
4227     if compile_prog "" "" ; then
4228         malloc_trim="yes"
4229     else
4230         malloc_trim="no"
4231     fi
4232 fi
4233
4234 ##########################################
4235 # tcmalloc probe
4236
4237 if test "$tcmalloc" = "yes" ; then
4238   cat > $TMPC << EOF
4239 #include <stdlib.h>
4240 int main(void) { malloc(1); return 0; }
4241 EOF
4242
4243   if compile_prog "" "-ltcmalloc" ; then
4244     LIBS="-ltcmalloc $LIBS"
4245   else
4246     feature_not_found "tcmalloc" "install gperftools devel"
4247   fi
4248 fi
4249
4250 ##########################################
4251 # jemalloc probe
4252
4253 if test "$jemalloc" = "yes" ; then
4254   cat > $TMPC << EOF
4255 #include <stdlib.h>
4256 int main(void) { malloc(1); return 0; }
4257 EOF
4258
4259   if compile_prog "" "-ljemalloc" ; then
4260     LIBS="-ljemalloc $LIBS"
4261   else
4262     feature_not_found "jemalloc" "install jemalloc devel"
4263   fi
4264 fi
4265
4266 ##########################################
4267 # signalfd probe
4268 signalfd="no"
4269 cat > $TMPC << EOF
4270 #include <unistd.h>
4271 #include <sys/syscall.h>
4272 #include <signal.h>
4273 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4274 EOF
4275
4276 if compile_prog "" "" ; then
4277   signalfd=yes
4278 fi
4279
4280 # check if optreset global is declared by <getopt.h>
4281 optreset="no"
4282 cat > $TMPC << EOF
4283 #include <getopt.h>
4284 int main(void) { return optreset; }
4285 EOF
4286
4287 if compile_prog "" "" ; then
4288   optreset=yes
4289 fi
4290
4291 # check if eventfd is supported
4292 eventfd=no
4293 cat > $TMPC << EOF
4294 #include <sys/eventfd.h>
4295
4296 int main(void)
4297 {
4298     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4299 }
4300 EOF
4301 if compile_prog "" "" ; then
4302   eventfd=yes
4303 fi
4304
4305 # check if memfd is supported
4306 memfd=no
4307 cat > $TMPC << EOF
4308 #include <sys/mman.h>
4309
4310 int main(void)
4311 {
4312     return memfd_create("foo", MFD_ALLOW_SEALING);
4313 }
4314 EOF
4315 if compile_prog "" "" ; then
4316   memfd=yes
4317 fi
4318
4319 # check for usbfs
4320 have_usbfs=no
4321 if test "$linux_user" = "yes"; then
4322   cat > $TMPC << EOF
4323 #include <linux/usbdevice_fs.h>
4324
4325 #ifndef USBDEVFS_GET_CAPABILITIES
4326 #error "USBDEVFS_GET_CAPABILITIES undefined"
4327 #endif
4328
4329 #ifndef USBDEVFS_DISCONNECT_CLAIM
4330 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4331 #endif
4332
4333 int main(void)
4334 {
4335     return 0;
4336 }
4337 EOF
4338   if compile_prog "" ""; then
4339     have_usbfs=yes
4340   fi
4341 fi
4342
4343 # check for fallocate
4344 fallocate=no
4345 cat > $TMPC << EOF
4346 #include <fcntl.h>
4347
4348 int main(void)
4349 {
4350     fallocate(0, 0, 0, 0);
4351     return 0;
4352 }
4353 EOF
4354 if compile_prog "" "" ; then
4355   fallocate=yes
4356 fi
4357
4358 # check for fallocate hole punching
4359 fallocate_punch_hole=no
4360 cat > $TMPC << EOF
4361 #include <fcntl.h>
4362 #include <linux/falloc.h>
4363
4364 int main(void)
4365 {
4366     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4367     return 0;
4368 }
4369 EOF
4370 if compile_prog "" "" ; then
4371   fallocate_punch_hole=yes
4372 fi
4373
4374 # check that fallocate supports range zeroing inside the file
4375 fallocate_zero_range=no
4376 cat > $TMPC << EOF
4377 #include <fcntl.h>
4378 #include <linux/falloc.h>
4379
4380 int main(void)
4381 {
4382     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4383     return 0;
4384 }
4385 EOF
4386 if compile_prog "" "" ; then
4387   fallocate_zero_range=yes
4388 fi
4389
4390 # check for posix_fallocate
4391 posix_fallocate=no
4392 cat > $TMPC << EOF
4393 #include <fcntl.h>
4394
4395 int main(void)
4396 {
4397     posix_fallocate(0, 0, 0);
4398     return 0;
4399 }
4400 EOF
4401 if compile_prog "" "" ; then
4402     posix_fallocate=yes
4403 fi
4404
4405 # check for sync_file_range
4406 sync_file_range=no
4407 cat > $TMPC << EOF
4408 #include <fcntl.h>
4409
4410 int main(void)
4411 {
4412     sync_file_range(0, 0, 0, 0);
4413     return 0;
4414 }
4415 EOF
4416 if compile_prog "" "" ; then
4417   sync_file_range=yes
4418 fi
4419
4420 # check for linux/fiemap.h and FS_IOC_FIEMAP
4421 fiemap=no
4422 cat > $TMPC << EOF
4423 #include <sys/ioctl.h>
4424 #include <linux/fs.h>
4425 #include <linux/fiemap.h>
4426
4427 int main(void)
4428 {
4429     ioctl(0, FS_IOC_FIEMAP, 0);
4430     return 0;
4431 }
4432 EOF
4433 if compile_prog "" "" ; then
4434   fiemap=yes
4435 fi
4436
4437 # check for dup3
4438 dup3=no
4439 cat > $TMPC << EOF
4440 #include <unistd.h>
4441
4442 int main(void)
4443 {
4444     dup3(0, 0, 0);
4445     return 0;
4446 }
4447 EOF
4448 if compile_prog "" "" ; then
4449   dup3=yes
4450 fi
4451
4452 # check for ppoll support
4453 ppoll=no
4454 cat > $TMPC << EOF
4455 #include <poll.h>
4456
4457 int main(void)
4458 {
4459     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4460     ppoll(&pfd, 1, 0, 0);
4461     return 0;
4462 }
4463 EOF
4464 if compile_prog "" "" ; then
4465   ppoll=yes
4466 fi
4467
4468 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4469 prctl_pr_set_timerslack=no
4470 cat > $TMPC << EOF
4471 #include <sys/prctl.h>
4472
4473 int main(void)
4474 {
4475     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4476     return 0;
4477 }
4478 EOF
4479 if compile_prog "" "" ; then
4480   prctl_pr_set_timerslack=yes
4481 fi
4482
4483 # check for epoll support
4484 epoll=no
4485 cat > $TMPC << EOF
4486 #include <sys/epoll.h>
4487
4488 int main(void)
4489 {
4490     epoll_create(0);
4491     return 0;
4492 }
4493 EOF
4494 if compile_prog "" "" ; then
4495   epoll=yes
4496 fi
4497
4498 # epoll_create1 is a later addition
4499 # so we must check separately for its presence
4500 epoll_create1=no
4501 cat > $TMPC << EOF
4502 #include <sys/epoll.h>
4503
4504 int main(void)
4505 {
4506     /* Note that we use epoll_create1 as a value, not as
4507      * a function being called. This is necessary so that on
4508      * old SPARC glibc versions where the function was present in
4509      * the library but not declared in the header file we will
4510      * fail the configure check. (Otherwise we will get a compiler
4511      * warning but not an error, and will proceed to fail the
4512      * qemu compile where we compile with -Werror.)
4513      */
4514     return (int)(uintptr_t)&epoll_create1;
4515 }
4516 EOF
4517 if compile_prog "" "" ; then
4518   epoll_create1=yes
4519 fi
4520
4521 # check for sendfile support
4522 sendfile=no
4523 cat > $TMPC << EOF
4524 #include <sys/sendfile.h>
4525
4526 int main(void)
4527 {
4528     return sendfile(0, 0, 0, 0);
4529 }
4530 EOF
4531 if compile_prog "" "" ; then
4532   sendfile=yes
4533 fi
4534
4535 # check for timerfd support (glibc 2.8 and newer)
4536 timerfd=no
4537 cat > $TMPC << EOF
4538 #include <sys/timerfd.h>
4539
4540 int main(void)
4541 {
4542     return(timerfd_create(CLOCK_REALTIME, 0));
4543 }
4544 EOF
4545 if compile_prog "" "" ; then
4546   timerfd=yes
4547 fi
4548
4549 # check for setns and unshare support
4550 setns=no
4551 cat > $TMPC << EOF
4552 #include <sched.h>
4553
4554 int main(void)
4555 {
4556     int ret;
4557     ret = setns(0, 0);
4558     ret = unshare(0);
4559     return ret;
4560 }
4561 EOF
4562 if compile_prog "" "" ; then
4563   setns=yes
4564 fi
4565
4566 # clock_adjtime probe
4567 clock_adjtime=no
4568 cat > $TMPC <<EOF
4569 #include <time.h>
4570
4571 int main(void)
4572 {
4573     return clock_adjtime(0, 0);
4574 }
4575 EOF
4576 clock_adjtime=no
4577 if compile_prog "" "" ; then
4578   clock_adjtime=yes
4579 fi
4580
4581 # syncfs probe
4582 syncfs=no
4583 cat > $TMPC <<EOF
4584 #include <unistd.h>
4585
4586 int main(void)
4587 {
4588     return syncfs(0);
4589 }
4590 EOF
4591 syncfs=no
4592 if compile_prog "" "" ; then
4593   syncfs=yes
4594 fi
4595
4596 # Check we have a new enough version of sphinx-build
4597 has_sphinx_build() {
4598     # This is a bit awkward but works: create a trivial document and
4599     # try to run it with our configuration file (which enforces a
4600     # version requirement). This will fail if either
4601     # sphinx-build doesn't exist at all or if it is too old.
4602     mkdir -p "$TMPDIR1/sphinx"
4603     touch "$TMPDIR1/sphinx/index.rst"
4604     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4605 }
4606
4607 # Check if tools are available to build documentation.
4608 if test "$docs" != "no" ; then
4609   if has makeinfo && has pod2man && has_sphinx_build; then
4610     docs=yes
4611   else
4612     if test "$docs" = "yes" ; then
4613       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4614     fi
4615     docs=no
4616   fi
4617 fi
4618
4619 # Search for bswap_32 function
4620 byteswap_h=no
4621 cat > $TMPC << EOF
4622 #include <byteswap.h>
4623 int main(void) { return bswap_32(0); }
4624 EOF
4625 if compile_prog "" "" ; then
4626   byteswap_h=yes
4627 fi
4628
4629 # Search for bswap32 function
4630 bswap_h=no
4631 cat > $TMPC << EOF
4632 #include <sys/endian.h>
4633 #include <sys/types.h>
4634 #include <machine/bswap.h>
4635 int main(void) { return bswap32(0); }
4636 EOF
4637 if compile_prog "" "" ; then
4638   bswap_h=yes
4639 fi
4640
4641 ##########################################
4642 # Do we have libiscsi >= 1.9.0
4643 if test "$libiscsi" != "no" ; then
4644   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4645     libiscsi="yes"
4646     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4647     libiscsi_libs=$($pkg_config --libs libiscsi)
4648   else
4649     if test "$libiscsi" = "yes" ; then
4650       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4651     fi
4652     libiscsi="no"
4653   fi
4654 fi
4655
4656 ##########################################
4657 # Do we need libm
4658 cat > $TMPC << EOF
4659 #include <math.h>
4660 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4661 EOF
4662 if compile_prog "" "" ; then
4663   :
4664 elif compile_prog "" "-lm" ; then
4665   LIBS="-lm $LIBS"
4666   libs_qga="-lm $libs_qga"
4667 else
4668   error_exit "libm check failed"
4669 fi
4670
4671 ##########################################
4672 # Do we need librt
4673 # uClibc provides 2 versions of clock_gettime(), one with realtime
4674 # support and one without. This means that the clock_gettime() don't
4675 # need -lrt. We still need it for timer_create() so we check for this
4676 # function in addition.
4677 cat > $TMPC <<EOF
4678 #include <signal.h>
4679 #include <time.h>
4680 int main(void) {
4681   timer_create(CLOCK_REALTIME, NULL, NULL);
4682   return clock_gettime(CLOCK_REALTIME, NULL);
4683 }
4684 EOF
4685
4686 if compile_prog "" "" ; then
4687   :
4688 # we need pthread for static linking. use previous pthread test result
4689 elif compile_prog "" "$pthread_lib -lrt" ; then
4690   LIBS="$LIBS -lrt"
4691   libs_qga="$libs_qga -lrt"
4692 fi
4693
4694 # Check whether we need to link libutil for openpty()
4695 cat > $TMPC << EOF
4696 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4697 int main(void) { return openpty(0, 0, 0, 0, 0); }
4698 EOF
4699
4700 if ! compile_prog "" "" ; then
4701   if compile_prog "" "-lutil" ; then
4702     libs_softmmu="-lutil $libs_softmmu"
4703     libs_tools="-lutil $libs_tools"
4704   fi
4705 fi
4706
4707 ##########################################
4708 # spice probe
4709 if test "$spice" != "no" ; then
4710   cat > $TMPC << EOF
4711 #include <spice.h>
4712 int main(void) { spice_server_new(); return 0; }
4713 EOF
4714   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4715   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4716   if $pkg_config --atleast-version=0.12.5 spice-server && \
4717      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4718      compile_prog "$spice_cflags" "$spice_libs" ; then
4719     spice="yes"
4720     libs_softmmu="$libs_softmmu $spice_libs"
4721     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4722     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4723     spice_server_version=$($pkg_config --modversion spice-server)
4724   else
4725     if test "$spice" = "yes" ; then
4726       feature_not_found "spice" \
4727           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4728     fi
4729     spice="no"
4730   fi
4731 fi
4732
4733 # check for smartcard support
4734 if test "$smartcard" != "no"; then
4735     if $pkg_config --atleast-version=2.5.1 libcacard; then
4736         libcacard_cflags=$($pkg_config --cflags libcacard)
4737         libcacard_libs=$($pkg_config --libs libcacard)
4738         smartcard="yes"
4739     else
4740         if test "$smartcard" = "yes"; then
4741             feature_not_found "smartcard" "Install libcacard devel"
4742         fi
4743         smartcard="no"
4744     fi
4745 fi
4746
4747 # check for libusb
4748 if test "$libusb" != "no" ; then
4749     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4750         libusb="yes"
4751         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4752         libusb_libs=$($pkg_config --libs libusb-1.0)
4753     else
4754         if test "$libusb" = "yes"; then
4755             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4756         fi
4757         libusb="no"
4758     fi
4759 fi
4760
4761 # check for usbredirparser for usb network redirection support
4762 if test "$usb_redir" != "no" ; then
4763     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4764         usb_redir="yes"
4765         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4766         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4767     else
4768         if test "$usb_redir" = "yes"; then
4769             feature_not_found "usb-redir" "Install usbredir devel"
4770         fi
4771         usb_redir="no"
4772     fi
4773 fi
4774
4775 ##########################################
4776 # check if we have VSS SDK headers for win
4777
4778 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4779         test "$vss_win32_sdk" != "no" ; then
4780   case "$vss_win32_sdk" in
4781     "")   vss_win32_include="-isystem $source_path" ;;
4782     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4783           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4784           vss_win32_include="-isystem $source_path/.sdk/vss"
4785           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4786           ;;
4787     *)    vss_win32_include="-isystem $vss_win32_sdk"
4788   esac
4789   cat > $TMPC << EOF
4790 #define __MIDL_user_allocate_free_DEFINED__
4791 #include <inc/win2003/vss.h>
4792 int main(void) { return VSS_CTX_BACKUP; }
4793 EOF
4794   if compile_prog "$vss_win32_include" "" ; then
4795     guest_agent_with_vss="yes"
4796     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4797     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4798     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4799   else
4800     if test "$vss_win32_sdk" != "" ; then
4801       echo "ERROR: Please download and install Microsoft VSS SDK:"
4802       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4803       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4804       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4805       echo "ERROR: The headers are extracted in the directory \`inc'."
4806       feature_not_found "VSS support"
4807     fi
4808     guest_agent_with_vss="no"
4809   fi
4810 fi
4811
4812 ##########################################
4813 # lookup Windows platform SDK (if not specified)
4814 # The SDK is needed only to build .tlb (type library) file of guest agent
4815 # VSS provider from the source. It is usually unnecessary because the
4816 # pre-compiled .tlb file is included.
4817
4818 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4819         test "$guest_agent_with_vss" = "yes" ; then
4820   if test -z "$win_sdk"; then
4821     programfiles="$PROGRAMFILES"
4822     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4823     if test -n "$programfiles"; then
4824       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4825     else
4826       feature_not_found "Windows SDK"
4827     fi
4828   elif test "$win_sdk" = "no"; then
4829     win_sdk=""
4830   fi
4831 fi
4832
4833 ##########################################
4834 # check if mingw environment provides a recent ntddscsi.h
4835 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4836   cat > $TMPC << EOF
4837 #include <windows.h>
4838 #include <ntddscsi.h>
4839 int main(void) {
4840 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4841 #error Missing required ioctl definitions
4842 #endif
4843   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4844   return addr.Lun;
4845 }
4846 EOF
4847   if compile_prog "" "" ; then
4848     guest_agent_ntddscsi=yes
4849     libs_qga="-lsetupapi $libs_qga"
4850   fi
4851 fi
4852
4853 ##########################################
4854 # virgl renderer probe
4855
4856 if test "$virglrenderer" != "no" ; then
4857   cat > $TMPC << EOF
4858 #include <virglrenderer.h>
4859 int main(void) { virgl_renderer_poll(); return 0; }
4860 EOF
4861   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4862   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4863   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4864   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4865      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4866     virglrenderer="yes"
4867   else
4868     if test "$virglrenderer" = "yes" ; then
4869       feature_not_found "virglrenderer"
4870     fi
4871     virglrenderer="no"
4872   fi
4873 fi
4874
4875 ##########################################
4876 # capstone
4877
4878 case "$capstone" in
4879   "" | yes)
4880     if $pkg_config capstone; then
4881       capstone=system
4882     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4883       capstone=git
4884     elif test -e "${source_path}/capstone/Makefile" ; then
4885       capstone=internal
4886     elif test -z "$capstone" ; then
4887       capstone=no
4888     else
4889       feature_not_found "capstone" "Install capstone devel or git submodule"
4890     fi
4891     ;;
4892
4893   system)
4894     if ! $pkg_config capstone; then
4895       feature_not_found "capstone" "Install capstone devel"
4896     fi
4897     ;;
4898 esac
4899
4900 case "$capstone" in
4901   git | internal)
4902     if test "$capstone" = git; then
4903       git_submodules="${git_submodules} capstone"
4904     fi
4905     mkdir -p capstone
4906     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4907     if test "$mingw32" = "yes"; then
4908       LIBCAPSTONE=capstone.lib
4909     else
4910       LIBCAPSTONE=libcapstone.a
4911     fi
4912     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4913     ;;
4914
4915   system)
4916     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4917     LIBS="$($pkg_config --libs capstone) $LIBS"
4918     ;;
4919
4920   no)
4921     ;;
4922   *)
4923     error_exit "Unknown state for capstone: $capstone"
4924     ;;
4925 esac
4926
4927 ##########################################
4928 # check if we have fdatasync
4929
4930 fdatasync=no
4931 cat > $TMPC << EOF
4932 #include <unistd.h>
4933 int main(void) {
4934 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4935 return fdatasync(0);
4936 #else
4937 #error Not supported
4938 #endif
4939 }
4940 EOF
4941 if compile_prog "" "" ; then
4942     fdatasync=yes
4943 fi
4944
4945 ##########################################
4946 # check if we have madvise
4947
4948 madvise=no
4949 cat > $TMPC << EOF
4950 #include <sys/types.h>
4951 #include <sys/mman.h>
4952 #include <stddef.h>
4953 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4954 EOF
4955 if compile_prog "" "" ; then
4956     madvise=yes
4957 fi
4958
4959 ##########################################
4960 # check if we have posix_madvise
4961
4962 posix_madvise=no
4963 cat > $TMPC << EOF
4964 #include <sys/mman.h>
4965 #include <stddef.h>
4966 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4967 EOF
4968 if compile_prog "" "" ; then
4969     posix_madvise=yes
4970 fi
4971
4972 ##########################################
4973 # check if we have posix_memalign()
4974
4975 posix_memalign=no
4976 cat > $TMPC << EOF
4977 #include <stdlib.h>
4978 int main(void) {
4979     void *p;
4980     return posix_memalign(&p, 8, 8);
4981 }
4982 EOF
4983 if compile_prog "" "" ; then
4984     posix_memalign=yes
4985 fi
4986
4987 ##########################################
4988 # check if we have posix_syslog
4989
4990 posix_syslog=no
4991 cat > $TMPC << EOF
4992 #include <syslog.h>
4993 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4994 EOF
4995 if compile_prog "" "" ; then
4996     posix_syslog=yes
4997 fi
4998
4999 ##########################################
5000 # check if we have sem_timedwait
5001
5002 sem_timedwait=no
5003 cat > $TMPC << EOF
5004 #include <semaphore.h>
5005 int main(void) { return sem_timedwait(0, 0); }
5006 EOF
5007 if compile_prog "" "" ; then
5008     sem_timedwait=yes
5009 fi
5010
5011 ##########################################
5012 # check if we have strchrnul
5013
5014 strchrnul=no
5015 cat > $TMPC << EOF
5016 #include <string.h>
5017 int main(void);
5018 // Use a haystack that the compiler shouldn't be able to constant fold
5019 char *haystack = (char*)&main;
5020 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5021 EOF
5022 if compile_prog "" "" ; then
5023     strchrnul=yes
5024 fi
5025
5026 ##########################################
5027 # check if trace backend exists
5028
5029 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5030 if test "$?" -ne 0 ; then
5031   error_exit "invalid trace backends" \
5032       "Please choose supported trace backends."
5033 fi
5034
5035 ##########################################
5036 # For 'ust' backend, test if ust headers are present
5037 if have_backend "ust"; then
5038   cat > $TMPC << EOF
5039 #include <lttng/tracepoint.h>
5040 int main(void) { return 0; }
5041 EOF
5042   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5043     if $pkg_config lttng-ust --exists; then
5044       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5045     else
5046       lttng_ust_libs="-llttng-ust -ldl"
5047     fi
5048     if $pkg_config liburcu-bp --exists; then
5049       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5050     else
5051       urcu_bp_libs="-lurcu-bp"
5052     fi
5053
5054     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5055     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5056   else
5057     error_exit "Trace backend 'ust' missing lttng-ust header files"
5058   fi
5059 fi
5060
5061 ##########################################
5062 # For 'dtrace' backend, test if 'dtrace' command is present
5063 if have_backend "dtrace"; then
5064   if ! has 'dtrace' ; then
5065     error_exit "dtrace command is not found in PATH $PATH"
5066   fi
5067   trace_backend_stap="no"
5068   if has 'stap' ; then
5069     trace_backend_stap="yes"
5070   fi
5071 fi
5072
5073 ##########################################
5074 # check and set a backend for coroutine
5075
5076 # We prefer ucontext, but it's not always possible. The fallback
5077 # is sigcontext. On Windows the only valid backend is the Windows
5078 # specific one.
5079
5080 ucontext_works=no
5081 if test "$darwin" != "yes"; then
5082   cat > $TMPC << EOF
5083 #include <ucontext.h>
5084 #ifdef __stub_makecontext
5085 #error Ignoring glibc stub makecontext which will always fail
5086 #endif
5087 int main(void) { makecontext(0, 0, 0); return 0; }
5088 EOF
5089   if compile_prog "" "" ; then
5090     ucontext_works=yes
5091   fi
5092 fi
5093
5094 if test "$coroutine" = ""; then
5095   if test "$mingw32" = "yes"; then
5096     coroutine=win32
5097   elif test "$ucontext_works" = "yes"; then
5098     coroutine=ucontext
5099   else
5100     coroutine=sigaltstack
5101   fi
5102 else
5103   case $coroutine in
5104   windows)
5105     if test "$mingw32" != "yes"; then
5106       error_exit "'windows' coroutine backend only valid for Windows"
5107     fi
5108     # Unfortunately the user visible backend name doesn't match the
5109     # coroutine-*.c filename for this case, so we have to adjust it here.
5110     coroutine=win32
5111     ;;
5112   ucontext)
5113     if test "$ucontext_works" != "yes"; then
5114       feature_not_found "ucontext"
5115     fi
5116     ;;
5117   sigaltstack)
5118     if test "$mingw32" = "yes"; then
5119       error_exit "only the 'windows' coroutine backend is valid for Windows"
5120     fi
5121     ;;
5122   *)
5123     error_exit "unknown coroutine backend $coroutine"
5124     ;;
5125   esac
5126 fi
5127
5128 if test "$coroutine_pool" = ""; then
5129   coroutine_pool=yes
5130 fi
5131
5132 if test "$debug_stack_usage" = "yes"; then
5133   if test "$coroutine_pool" = "yes"; then
5134     echo "WARN: disabling coroutine pool for stack usage debugging"
5135     coroutine_pool=no
5136   fi
5137 fi
5138
5139
5140 ##########################################
5141 # check if we have open_by_handle_at
5142
5143 open_by_handle_at=no
5144 cat > $TMPC << EOF
5145 #include <fcntl.h>
5146 #if !defined(AT_EMPTY_PATH)
5147 # error missing definition
5148 #else
5149 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5150 #endif
5151 EOF
5152 if compile_prog "" "" ; then
5153     open_by_handle_at=yes
5154 fi
5155
5156 ########################################
5157 # check if we have linux/magic.h
5158
5159 linux_magic_h=no
5160 cat > $TMPC << EOF
5161 #include <linux/magic.h>
5162 int main(void) {
5163   return 0;
5164 }
5165 EOF
5166 if compile_prog "" "" ; then
5167     linux_magic_h=yes
5168 fi
5169
5170 ########################################
5171 # check whether we can disable warning option with a pragma (this is needed
5172 # to silence warnings in the headers of some versions of external libraries).
5173 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5174 # only a warning.
5175 #
5176 # If we can't selectively disable warning in the code, disable -Werror so that
5177 # the build doesn't fail anyway.
5178
5179 pragma_disable_unused_but_set=no
5180 cat > $TMPC << EOF
5181 #pragma GCC diagnostic push
5182 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5183 #pragma GCC diagnostic pop
5184
5185 int main(void) {
5186     return 0;
5187 }
5188 EOF
5189 if compile_prog "-Werror" "" ; then
5190     pragma_diagnostic_available=yes
5191 else
5192     werror=no
5193 fi
5194
5195 ########################################
5196 # check if we have valgrind/valgrind.h
5197
5198 valgrind_h=no
5199 cat > $TMPC << EOF
5200 #include <valgrind/valgrind.h>
5201 int main(void) {
5202   return 0;
5203 }
5204 EOF
5205 if compile_prog "" "" ; then
5206     valgrind_h=yes
5207 fi
5208
5209 ########################################
5210 # check if environ is declared
5211
5212 has_environ=no
5213 cat > $TMPC << EOF
5214 #include <unistd.h>
5215 int main(void) {
5216     environ = 0;
5217     return 0;
5218 }
5219 EOF
5220 if compile_prog "" "" ; then
5221     has_environ=yes
5222 fi
5223
5224 ########################################
5225 # check if cpuid.h is usable.
5226
5227 cat > $TMPC << EOF
5228 #include <cpuid.h>
5229 int main(void) {
5230     unsigned a, b, c, d;
5231     int max = __get_cpuid_max(0, 0);
5232
5233     if (max >= 1) {
5234         __cpuid(1, a, b, c, d);
5235     }
5236
5237     if (max >= 7) {
5238         __cpuid_count(7, 0, a, b, c, d);
5239     }
5240
5241     return 0;
5242 }
5243 EOF
5244 if compile_prog "" "" ; then
5245     cpuid_h=yes
5246 fi
5247
5248 ##########################################
5249 # avx2 optimization requirement check
5250 #
5251 # There is no point enabling this if cpuid.h is not usable,
5252 # since we won't be able to select the new routines.
5253
5254 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5255   cat > $TMPC << EOF
5256 #pragma GCC push_options
5257 #pragma GCC target("avx2")
5258 #include <cpuid.h>
5259 #include <immintrin.h>
5260 static int bar(void *a) {
5261     __m256i x = *(__m256i *)a;
5262     return _mm256_testz_si256(x, x);
5263 }
5264 int main(int argc, char *argv[]) { return bar(argv[0]); }
5265 EOF
5266   if compile_object "" ; then
5267     avx2_opt="yes"
5268   else
5269     avx2_opt="no"
5270   fi
5271 fi
5272
5273 ########################################
5274 # check if __[u]int128_t is usable.
5275
5276 int128=no
5277 cat > $TMPC << EOF
5278 __int128_t a;
5279 __uint128_t b;
5280 int main (void) {
5281   a = a + b;
5282   b = a * b;
5283   a = a * a;
5284   return 0;
5285 }
5286 EOF
5287 if compile_prog "" "" ; then
5288     int128=yes
5289 fi
5290
5291 #########################################
5292 # See if 128-bit atomic operations are supported.
5293
5294 atomic128=no
5295 if test "$int128" = "yes"; then
5296   cat > $TMPC << EOF
5297 int main(void)
5298 {
5299   unsigned __int128 x = 0, y = 0;
5300   y = __atomic_load_16(&x, 0);
5301   __atomic_store_16(&x, y, 0);
5302   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5303   return 0;
5304 }
5305 EOF
5306   if compile_prog "" "" ; then
5307     atomic128=yes
5308   fi
5309 fi
5310
5311 cmpxchg128=no
5312 if test "$int128" = yes && test "$atomic128" = no; then
5313   cat > $TMPC << EOF
5314 int main(void)
5315 {
5316   unsigned __int128 x = 0, y = 0;
5317   __sync_val_compare_and_swap_16(&x, y, x);
5318   return 0;
5319 }
5320 EOF
5321   if compile_prog "" "" ; then
5322     cmpxchg128=yes
5323   fi
5324 fi
5325
5326 #########################################
5327 # See if 64-bit atomic operations are supported.
5328 # Note that without __atomic builtins, we can only
5329 # assume atomic loads/stores max at pointer size.
5330
5331 cat > $TMPC << EOF
5332 #include <stdint.h>
5333 int main(void)
5334 {
5335   uint64_t x = 0, y = 0;
5336 #ifdef __ATOMIC_RELAXED
5337   y = __atomic_load_8(&x, 0);
5338   __atomic_store_8(&x, y, 0);
5339   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5340   __atomic_exchange_8(&x, y, 0);
5341   __atomic_fetch_add_8(&x, y, 0);
5342 #else
5343   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5344   __sync_lock_test_and_set(&x, y);
5345   __sync_val_compare_and_swap(&x, y, 0);
5346   __sync_fetch_and_add(&x, y);
5347 #endif
5348   return 0;
5349 }
5350 EOF
5351 if compile_prog "" "" ; then
5352   atomic64=yes
5353 fi
5354
5355 ########################################
5356 # See if 16-byte vector operations are supported.
5357 # Even without a vector unit the compiler may expand these.
5358 # There is a bug in old GCC for PPC that crashes here.
5359 # Unfortunately it's the system compiler for Centos 7.
5360
5361 cat > $TMPC << EOF
5362 typedef unsigned char U1 __attribute__((vector_size(16)));
5363 typedef unsigned short U2 __attribute__((vector_size(16)));
5364 typedef unsigned int U4 __attribute__((vector_size(16)));
5365 typedef unsigned long long U8 __attribute__((vector_size(16)));
5366 typedef signed char S1 __attribute__((vector_size(16)));
5367 typedef signed short S2 __attribute__((vector_size(16)));
5368 typedef signed int S4 __attribute__((vector_size(16)));
5369 typedef signed long long S8 __attribute__((vector_size(16)));
5370 static U1 a1, b1;
5371 static U2 a2, b2;
5372 static U4 a4, b4;
5373 static U8 a8, b8;
5374 static S1 c1;
5375 static S2 c2;
5376 static S4 c4;
5377 static S8 c8;
5378 static int i;
5379 void helper(void *d, void *a, int shift, int i);
5380 void helper(void *d, void *a, int shift, int i)
5381 {
5382   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5383   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5384   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5385   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5386 }
5387 int main(void)
5388 {
5389   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5390   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5391   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5392   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5393   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5394   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5395   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5396   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5397   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5398   return 0;
5399 }
5400 EOF
5401
5402 vector16=no
5403 if compile_prog "" "" ; then
5404   vector16=yes
5405 fi
5406
5407 ########################################
5408 # check if getauxval is available.
5409
5410 getauxval=no
5411 cat > $TMPC << EOF
5412 #include <sys/auxv.h>
5413 int main(void) {
5414   return getauxval(AT_HWCAP) == 0;
5415 }
5416 EOF
5417 if compile_prog "" "" ; then
5418     getauxval=yes
5419 fi
5420
5421 ########################################
5422 # check if ccache is interfering with
5423 # semantic analysis of macros
5424
5425 unset CCACHE_CPP2
5426 ccache_cpp2=no
5427 cat > $TMPC << EOF
5428 static const int Z = 1;
5429 #define fn() ({ Z; })
5430 #define TAUT(X) ((X) == Z)
5431 #define PAREN(X, Y) (X == Y)
5432 #define ID(X) (X)
5433 int main(int argc, char *argv[])
5434 {
5435     int x = 0, y = 0;
5436     x = ID(x);
5437     x = fn();
5438     fn();
5439     if (PAREN(x, y)) return 0;
5440     if (TAUT(Z)) return 0;
5441     return 0;
5442 }
5443 EOF
5444
5445 if ! compile_object "-Werror"; then
5446     ccache_cpp2=yes
5447 fi
5448
5449 #################################################
5450 # clang does not support glibc + FORTIFY_SOURCE.
5451
5452 if test "$fortify_source" != "no"; then
5453   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5454     fortify_source="no";
5455   elif test -n "$cxx" && has $cxx &&
5456        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5457     fortify_source="no";
5458   else
5459     fortify_source="yes"
5460   fi
5461 fi
5462
5463 ###############################################
5464 # Check if copy_file_range is provided by glibc
5465 have_copy_file_range=no
5466 cat > $TMPC << EOF
5467 #include <unistd.h>
5468 int main(void) {
5469   copy_file_range(0, NULL, 0, NULL, 0, 0);
5470   return 0;
5471 }
5472 EOF
5473 if compile_prog "" "" ; then
5474     have_copy_file_range=yes
5475 fi
5476
5477 ##########################################
5478 # check if struct fsxattr is available via linux/fs.h
5479
5480 have_fsxattr=no
5481 cat > $TMPC << EOF
5482 #include <linux/fs.h>
5483 struct fsxattr foo;
5484 int main(void) {
5485   return 0;
5486 }
5487 EOF
5488 if compile_prog "" "" ; then
5489     have_fsxattr=yes
5490 fi
5491
5492 ##########################################
5493 # check for usable membarrier system call
5494 if test "$membarrier" = "yes"; then
5495     have_membarrier=no
5496     if test "$mingw32" = "yes" ; then
5497         have_membarrier=yes
5498     elif test "$linux" = "yes" ; then
5499         cat > $TMPC << EOF
5500     #include <linux/membarrier.h>
5501     #include <sys/syscall.h>
5502     #include <unistd.h>
5503     #include <stdlib.h>
5504     int main(void) {
5505         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5506         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5507         exit(0);
5508     }
5509 EOF
5510         if compile_prog "" "" ; then
5511             have_membarrier=yes
5512         fi
5513     fi
5514     if test "$have_membarrier" = "no"; then
5515       feature_not_found "membarrier" "membarrier system call not available"
5516     fi
5517 else
5518     # Do not enable it by default even for Mingw32, because it doesn't
5519     # work on Wine.
5520     membarrier=no
5521 fi
5522
5523 ##########################################
5524 # check if rtnetlink.h exists and is useful
5525 have_rtnetlink=no
5526 cat > $TMPC << EOF
5527 #include <linux/rtnetlink.h>
5528 int main(void) {
5529   return IFLA_PROTO_DOWN;
5530 }
5531 EOF
5532 if compile_prog "" "" ; then
5533     have_rtnetlink=yes
5534 fi
5535
5536 ##########################################
5537 # check for usable AF_VSOCK environment
5538 have_af_vsock=no
5539 cat > $TMPC << EOF
5540 #include <errno.h>
5541 #include <sys/types.h>
5542 #include <sys/socket.h>
5543 #if !defined(AF_VSOCK)
5544 # error missing AF_VSOCK flag
5545 #endif
5546 #include <linux/vm_sockets.h>
5547 int main(void) {
5548     int sock, ret;
5549     struct sockaddr_vm svm;
5550     socklen_t len = sizeof(svm);
5551     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5552     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5553     if ((ret == -1) && (errno == ENOTCONN)) {
5554         return 0;
5555     }
5556     return -1;
5557 }
5558 EOF
5559 if compile_prog "" "" ; then
5560     have_af_vsock=yes
5561 fi
5562
5563 ##########################################
5564 # check for usable AF_ALG environment
5565 hava_afalg=no
5566 cat > $TMPC << EOF
5567 #include <errno.h>
5568 #include <sys/types.h>
5569 #include <sys/socket.h>
5570 #include <linux/if_alg.h>
5571 int main(void) {
5572     int sock;
5573     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5574     return sock;
5575 }
5576 EOF
5577 if compile_prog "" "" ; then
5578     have_afalg=yes
5579 fi
5580 if test "$crypto_afalg" = "yes"
5581 then
5582     if test "$have_afalg" != "yes"
5583     then
5584         error_exit "AF_ALG requested but could not be detected"
5585     fi
5586 fi
5587
5588
5589 #################################################
5590 # Check to see if we have the Hypervisor framework
5591 if [ "$darwin" = "yes" ] ; then
5592   cat > $TMPC << EOF
5593 #include <Hypervisor/hv.h>
5594 int main() { return 0;}
5595 EOF
5596   if ! compile_object ""; then
5597     hvf='no'
5598   else
5599     hvf='yes'
5600     LDFLAGS="-framework Hypervisor $LDFLAGS"
5601   fi
5602 fi
5603
5604 #################################################
5605 # Sparc implicitly links with --relax, which is
5606 # incompatible with -r, so --no-relax should be
5607 # given. It does no harm to give it on other
5608 # platforms too.
5609
5610 # Note: the prototype is needed since QEMU_CFLAGS
5611 #       contains -Wmissing-prototypes
5612 cat > $TMPC << EOF
5613 extern int foo(void);
5614 int foo(void) { return 0; }
5615 EOF
5616 if ! compile_object ""; then
5617   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5618 fi
5619 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5620   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5621     LD_REL_FLAGS=$i
5622     break
5623   fi
5624 done
5625 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5626   feature_not_found "modules" "Cannot find how to build relocatable objects"
5627 fi
5628
5629 ##########################################
5630 # check for sysmacros.h
5631
5632 have_sysmacros=no
5633 cat > $TMPC << EOF
5634 #include <sys/sysmacros.h>
5635 int main(void) {
5636     return makedev(0, 0);
5637 }
5638 EOF
5639 if compile_prog "" "" ; then
5640     have_sysmacros=yes
5641 fi
5642
5643 ##########################################
5644 # Veritas HyperScale block driver VxHS
5645 # Check if libvxhs is installed
5646
5647 if test "$vxhs" != "no" ; then
5648   cat > $TMPC <<EOF
5649 #include <stdint.h>
5650 #include <qnio/qnio_api.h>
5651
5652 void *vxhs_callback;
5653
5654 int main(void) {
5655     iio_init(QNIO_VERSION, vxhs_callback);
5656     return 0;
5657 }
5658 EOF
5659   vxhs_libs="-lvxhs -lssl"
5660   if compile_prog "" "$vxhs_libs" ; then
5661     vxhs=yes
5662   else
5663     if test "$vxhs" = "yes" ; then
5664       feature_not_found "vxhs block device" "Install libvxhs See github"
5665     fi
5666     vxhs=no
5667   fi
5668 fi
5669
5670 ##########################################
5671 # check for _Static_assert()
5672
5673 have_static_assert=no
5674 cat > $TMPC << EOF
5675 _Static_assert(1, "success");
5676 int main(void) {
5677     return 0;
5678 }
5679 EOF
5680 if compile_prog "" "" ; then
5681     have_static_assert=yes
5682 fi
5683
5684 ##########################################
5685 # check for utmpx.h, it is missing e.g. on OpenBSD
5686
5687 have_utmpx=no
5688 cat > $TMPC << EOF
5689 #include <utmpx.h>
5690 struct utmpx user_info;
5691 int main(void) {
5692     return 0;
5693 }
5694 EOF
5695 if compile_prog "" "" ; then
5696     have_utmpx=yes
5697 fi
5698
5699 ##########################################
5700 # checks for sanitizers
5701
5702 have_asan=no
5703 have_ubsan=no
5704 have_asan_iface_h=no
5705 have_asan_iface_fiber=no
5706
5707 if test "$sanitizers" = "yes" ; then
5708   write_c_skeleton
5709   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5710       have_asan=yes
5711   fi
5712
5713   # we could use a simple skeleton for flags checks, but this also
5714   # detect the static linking issue of ubsan, see also:
5715   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5716   cat > $TMPC << EOF
5717 #include <stdlib.h>
5718 int main(void) {
5719     void *tmp = malloc(10);
5720     return *(int *)(tmp + 2);
5721 }
5722 EOF
5723   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5724       have_ubsan=yes
5725   fi
5726
5727   if check_include "sanitizer/asan_interface.h" ; then
5728       have_asan_iface_h=yes
5729   fi
5730
5731   cat > $TMPC << EOF
5732 #include <sanitizer/asan_interface.h>
5733 int main(void) {
5734   __sanitizer_start_switch_fiber(0, 0, 0);
5735   return 0;
5736 }
5737 EOF
5738   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5739       have_asan_iface_fiber=yes
5740   fi
5741 fi
5742
5743 ##########################################
5744 # Docker and cross-compiler support
5745 #
5746 # This is specifically for building test
5747 # cases for foreign architectures, not
5748 # cross-compiling QEMU itself.
5749
5750 if has "docker"; then
5751     docker=$($python $source_path/tests/docker/docker.py probe)
5752 fi
5753
5754 ##########################################
5755 # check for libpmem
5756
5757 if test "$libpmem" != "no"; then
5758         if $pkg_config --exists "libpmem"; then
5759                 libpmem="yes"
5760                 libpmem_libs=$($pkg_config --libs libpmem)
5761                 libpmem_cflags=$($pkg_config --cflags libpmem)
5762                 libs_softmmu="$libs_softmmu $libpmem_libs"
5763                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5764         else
5765                 if test "$libpmem" = "yes" ; then
5766                         feature_not_found "libpmem" "Install nvml or pmdk"
5767                 fi
5768                 libpmem="no"
5769         fi
5770 fi
5771
5772 ##########################################
5773 # End of CC checks
5774 # After here, no more $cc or $ld runs
5775
5776 write_c_skeleton
5777
5778 if test "$gcov" = "yes" ; then
5779   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5780   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5781 elif test "$fortify_source" = "yes" ; then
5782   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5783 elif test "$debug" = "no"; then
5784   CFLAGS="-O2 $CFLAGS"
5785 fi
5786
5787 if test "$have_asan" = "yes"; then
5788   CFLAGS="-fsanitize=address $CFLAGS"
5789   if test "$have_asan_iface_h" = "no" ; then
5790       echo "ASAN build enabled, but ASAN header missing." \
5791            "Without code annotation, the report may be inferior."
5792   elif test "$have_asan_iface_fiber" = "no" ; then
5793       echo "ASAN build enabled, but ASAN header is too old." \
5794            "Without code annotation, the report may be inferior."
5795   fi
5796 fi
5797 if test "$have_ubsan" = "yes"; then
5798   CFLAGS="-fsanitize=undefined $CFLAGS"
5799 fi
5800
5801 ##########################################
5802 # Do we have libnfs
5803 if test "$libnfs" != "no" ; then
5804   if $pkg_config --atleast-version=1.9.3 libnfs; then
5805     libnfs="yes"
5806     libnfs_libs=$($pkg_config --libs libnfs)
5807   else
5808     if test "$libnfs" = "yes" ; then
5809       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5810     fi
5811     libnfs="no"
5812   fi
5813 fi
5814
5815 ##########################################
5816 # Do we have libudev
5817 if test "$libudev" != "no" ; then
5818   if $pkg_config libudev && test "$static" != "yes"; then
5819     libudev="yes"
5820     libudev_libs=$($pkg_config --libs libudev)
5821   else
5822     libudev="no"
5823   fi
5824 fi
5825
5826 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5827 if test "$werror" = "yes"; then
5828     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5829 fi
5830
5831 if test "$solaris" = "no" ; then
5832     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5833         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5834     fi
5835 fi
5836
5837 # test if pod2man has --utf8 option
5838 if pod2man --help | grep -q utf8; then
5839     POD2MAN="pod2man --utf8"
5840 else
5841     POD2MAN="pod2man"
5842 fi
5843
5844 # Use ASLR, no-SEH and DEP if available
5845 if test "$mingw32" = "yes" ; then
5846     for flag in --dynamicbase --no-seh --nxcompat; do
5847         if ld_has $flag ; then
5848             LDFLAGS="-Wl,$flag $LDFLAGS"
5849         fi
5850     done
5851 fi
5852
5853 qemu_confdir=$sysconfdir$confsuffix
5854 qemu_moddir=$libdir$confsuffix
5855 qemu_datadir=$datadir$confsuffix
5856 qemu_localedir="$datadir/locale"
5857 qemu_icondir="$datadir/icons"
5858 qemu_desktopdir="$datadir/applications"
5859
5860 # We can only support ivshmem if we have eventfd
5861 if [ "$eventfd" = "yes" ]; then
5862   ivshmem=yes
5863 fi
5864
5865 tools=""
5866 if test "$want_tools" = "yes" ; then
5867   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
5868   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5869     tools="qemu-nbd\$(EXESUF) $tools"
5870   fi
5871   if [ "$ivshmem" = "yes" ]; then
5872     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5873   fi
5874   if [ "$curl" = "yes" ]; then
5875       tools="elf2dmp\$(EXESUF) $tools"
5876   fi
5877 fi
5878 if test "$softmmu" = yes ; then
5879   if test "$linux" = yes; then
5880     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5881       virtfs=yes
5882       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5883     else
5884       if test "$virtfs" = yes; then
5885         error_exit "VirtFS requires libcap devel and libattr devel"
5886       fi
5887       virtfs=no
5888     fi
5889     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5890       mpath=yes
5891     else
5892       if test "$mpath" = yes; then
5893         error_exit "Multipath requires libmpathpersist devel"
5894       fi
5895       mpath=no
5896     fi
5897     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5898   else
5899     if test "$virtfs" = yes; then
5900       error_exit "VirtFS is supported only on Linux"
5901     fi
5902     virtfs=no
5903     if test "$mpath" = yes; then
5904       error_exit "Multipath is supported only on Linux"
5905     fi
5906     mpath=no
5907   fi
5908   if test "$xkbcommon" = "yes"; then
5909     tools="qemu-keymap\$(EXESUF) $tools"
5910   fi
5911 fi
5912
5913 # Probe for guest agent support/options
5914
5915 if [ "$guest_agent" != "no" ]; then
5916   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5917       tools="qemu-ga $tools"
5918       guest_agent=yes
5919   elif [ "$guest_agent" != yes ]; then
5920       guest_agent=no
5921   else
5922       error_exit "Guest agent is not supported on this platform"
5923   fi
5924 fi
5925
5926 # Guest agent Window MSI  package
5927
5928 if test "$guest_agent" != yes; then
5929   if test "$guest_agent_msi" = yes; then
5930     error_exit "MSI guest agent package requires guest agent enabled"
5931   fi
5932   guest_agent_msi=no
5933 elif test "$mingw32" != "yes"; then
5934   if test "$guest_agent_msi" = "yes"; then
5935     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5936   fi
5937   guest_agent_msi=no
5938 elif ! has wixl; then
5939   if test "$guest_agent_msi" = "yes"; then
5940     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5941   fi
5942   guest_agent_msi=no
5943 else
5944   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5945   # disabled explicitly
5946   if test "$guest_agent_msi" != "no"; then
5947     guest_agent_msi=yes
5948   fi
5949 fi
5950
5951 if test "$guest_agent_msi" = "yes"; then
5952   if test "$guest_agent_with_vss" = "yes"; then
5953     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5954   fi
5955
5956   if test "$QEMU_GA_MANUFACTURER" = ""; then
5957     QEMU_GA_MANUFACTURER=QEMU
5958   fi
5959
5960   if test "$QEMU_GA_DISTRO" = ""; then
5961     QEMU_GA_DISTRO=Linux
5962   fi
5963
5964   if test "$QEMU_GA_VERSION" = ""; then
5965       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5966   fi
5967
5968   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5969
5970   case "$cpu" in
5971   x86_64)
5972     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5973     ;;
5974   i386)
5975     QEMU_GA_MSI_ARCH="-D Arch=32"
5976     ;;
5977   *)
5978     error_exit "CPU $cpu not supported for building installation package"
5979     ;;
5980   esac
5981 fi
5982
5983 # Mac OS X ships with a broken assembler
5984 roms=
5985 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5986         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5987         test "$softmmu" = yes ; then
5988     # Different host OS linkers have different ideas about the name of the ELF
5989     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5990     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5991     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5992         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5993             ld_i386_emulation="$emu"
5994             roms="optionrom"
5995             break
5996         fi
5997     done
5998 fi
5999 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
6000   roms="$roms spapr-rtas"
6001 fi
6002
6003 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6004 if test "$cpu" = "s390x" ; then
6005   write_c_skeleton
6006   if compile_prog "-march=z900" ""; then
6007     roms="$roms s390-ccw"
6008   fi
6009 fi
6010
6011 # Probe for the need for relocating the user-only binary.
6012 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6013   textseg_addr=
6014   case "$cpu" in
6015     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6016       # ??? Rationale for choosing this address
6017       textseg_addr=0x60000000
6018       ;;
6019     mips)
6020       # A 256M aligned address, high in the address space, with enough
6021       # room for the code_gen_buffer above it before the stack.
6022       textseg_addr=0x60000000
6023       ;;
6024   esac
6025   if [ -n "$textseg_addr" ]; then
6026     cat > $TMPC <<EOF
6027     int main(void) { return 0; }
6028 EOF
6029     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6030     if ! compile_prog "" "$textseg_ldflags"; then
6031       # In case ld does not support -Ttext-segment, edit the default linker
6032       # script via sed to set the .text start addr.  This is needed on FreeBSD
6033       # at least.
6034       if ! $ld --verbose >/dev/null 2>&1; then
6035         error_exit \
6036             "We need to link the QEMU user mode binaries at a" \
6037             "specific text address. Unfortunately your linker" \
6038             "doesn't support either the -Ttext-segment option or" \
6039             "printing the default linker script with --verbose." \
6040             "If you don't want the user mode binaries, pass the" \
6041             "--disable-user option to configure."
6042       fi
6043
6044       $ld --verbose | sed \
6045         -e '1,/==================================================/d' \
6046         -e '/==================================================/,$d' \
6047         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6048         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6049       textseg_ldflags="-Wl,-T../config-host.ld"
6050     fi
6051   fi
6052 fi
6053
6054 # Check that the C++ compiler exists and works with the C compiler.
6055 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6056 if has $cxx; then
6057     cat > $TMPC <<EOF
6058 int c_function(void);
6059 int main(void) { return c_function(); }
6060 EOF
6061
6062     compile_object
6063
6064     cat > $TMPCXX <<EOF
6065 extern "C" {
6066    int c_function(void);
6067 }
6068 int c_function(void) { return 42; }
6069 EOF
6070
6071     update_cxxflags
6072
6073     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6074         # C++ compiler $cxx works ok with C compiler $cc
6075         :
6076     else
6077         echo "C++ compiler $cxx does not work with C compiler $cc"
6078         echo "Disabling C++ specific optional code"
6079         cxx=
6080     fi
6081 else
6082     echo "No C++ compiler available; disabling C++ specific optional code"
6083     cxx=
6084 fi
6085
6086 echo_version() {
6087     if test "$1" = "yes" ; then
6088         echo "($2)"
6089     fi
6090 }
6091
6092 # prepend pixman and ftd flags after all config tests are done
6093 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6094 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6095 libs_softmmu="$pixman_libs $libs_softmmu"
6096
6097 echo "Install prefix    $prefix"
6098 echo "BIOS directory    $(eval echo $qemu_datadir)"
6099 echo "firmware path     $(eval echo $firmwarepath)"
6100 echo "binary directory  $(eval echo $bindir)"
6101 echo "library directory $(eval echo $libdir)"
6102 echo "module directory  $(eval echo $qemu_moddir)"
6103 echo "libexec directory $(eval echo $libexecdir)"
6104 echo "include directory $(eval echo $includedir)"
6105 echo "config directory  $(eval echo $sysconfdir)"
6106 if test "$mingw32" = "no" ; then
6107 echo "local state directory   $(eval echo $local_statedir)"
6108 echo "Manual directory  $(eval echo $mandir)"
6109 echo "ELF interp prefix $interp_prefix"
6110 else
6111 echo "local state directory   queried at runtime"
6112 echo "Windows SDK       $win_sdk"
6113 fi
6114 echo "Source path       $source_path"
6115 echo "GIT binary        $git"
6116 echo "GIT submodules    $git_submodules"
6117 echo "C compiler        $cc"
6118 echo "Host C compiler   $host_cc"
6119 echo "C++ compiler      $cxx"
6120 echo "Objective-C compiler $objcc"
6121 echo "ARFLAGS           $ARFLAGS"
6122 echo "CFLAGS            $CFLAGS"
6123 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6124 echo "LDFLAGS           $LDFLAGS"
6125 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6126 echo "make              $make"
6127 echo "install           $install"
6128 echo "python            $python ($python_version)"
6129 if test "$slirp" = "yes" ; then
6130     echo "smbd              $smbd"
6131 fi
6132 echo "module support    $modules"
6133 echo "host CPU          $cpu"
6134 echo "host big endian   $bigendian"
6135 echo "target list       $target_list"
6136 echo "gprof enabled     $gprof"
6137 echo "sparse enabled    $sparse"
6138 echo "strip binaries    $strip_opt"
6139 echo "profiler          $profiler"
6140 echo "static build      $static"
6141 if test "$darwin" = "yes" ; then
6142     echo "Cocoa support     $cocoa"
6143 fi
6144 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6145 echo "SDL image support $sdl_image"
6146 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6147 echo "GTK GL support    $gtk_gl"
6148 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6149 echo "TLS priority      $tls_priority"
6150 echo "GNUTLS support    $gnutls"
6151 echo "libgcrypt         $gcrypt"
6152 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6153 echo "libtasn1          $tasn1"
6154 echo "PAM               $auth_pam"
6155 echo "curses support    $curses"
6156 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6157 echo "curl support      $curl"
6158 echo "mingw32 support   $mingw32"
6159 echo "Audio drivers     $audio_drv_list"
6160 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6161 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6162 echo "VirtFS support    $virtfs"
6163 echo "Multipath support $mpath"
6164 echo "VNC support       $vnc"
6165 if test "$vnc" = "yes" ; then
6166     echo "VNC SASL support  $vnc_sasl"
6167     echo "VNC JPEG support  $vnc_jpeg"
6168     echo "VNC PNG support   $vnc_png"
6169 fi
6170 if test -n "$sparc_cpu"; then
6171     echo "Target Sparc Arch $sparc_cpu"
6172 fi
6173 echo "xen support       $xen"
6174 if test "$xen" = "yes" ; then
6175   echo "xen ctrl version  $xen_ctrl_version"
6176 fi
6177 echo "brlapi support    $brlapi"
6178 echo "bluez  support    $bluez"
6179 echo "Documentation     $docs"
6180 echo "PIE               $pie"
6181 echo "vde support       $vde"
6182 echo "netmap support    $netmap"
6183 echo "Linux AIO support $linux_aio"
6184 echo "ATTR/XATTR support $attr"
6185 echo "Install blobs     $blobs"
6186 echo "KVM support       $kvm"
6187 echo "HAX support       $hax"
6188 echo "HVF support       $hvf"
6189 echo "WHPX support      $whpx"
6190 echo "TCG support       $tcg"
6191 if test "$tcg" = "yes" ; then
6192     echo "TCG debug enabled $debug_tcg"
6193     echo "TCG interpreter   $tcg_interpreter"
6194 fi
6195 echo "malloc trim support $malloc_trim"
6196 echo "RDMA support      $rdma"
6197 echo "PVRDMA support    $pvrdma"
6198 echo "fdt support       $fdt"
6199 echo "membarrier        $membarrier"
6200 echo "preadv support    $preadv"
6201 echo "fdatasync         $fdatasync"
6202 echo "madvise           $madvise"
6203 echo "posix_madvise     $posix_madvise"
6204 echo "posix_memalign    $posix_memalign"
6205 echo "libcap-ng support $cap_ng"
6206 echo "vhost-net support $vhost_net"
6207 echo "vhost-crypto support $vhost_crypto"
6208 echo "vhost-scsi support $vhost_scsi"
6209 echo "vhost-vsock support $vhost_vsock"
6210 echo "vhost-user support $vhost_user"
6211 echo "Trace backends    $trace_backends"
6212 if have_backend "simple"; then
6213 echo "Trace output file $trace_file-<pid>"
6214 fi
6215 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6216 echo "rbd support       $rbd"
6217 echo "xfsctl support    $xfs"
6218 echo "smartcard support $smartcard"
6219 echo "libusb            $libusb"
6220 echo "usb net redir     $usb_redir"
6221 echo "OpenGL support    $opengl"
6222 echo "OpenGL dmabufs    $opengl_dmabuf"
6223 echo "libiscsi support  $libiscsi"
6224 echo "libnfs support    $libnfs"
6225 echo "build guest agent $guest_agent"
6226 echo "QGA VSS support   $guest_agent_with_vss"
6227 echo "QGA w32 disk info $guest_agent_ntddscsi"
6228 echo "QGA MSI support   $guest_agent_msi"
6229 echo "seccomp support   $seccomp"
6230 echo "coroutine backend $coroutine"
6231 echo "coroutine pool    $coroutine_pool"
6232 echo "debug stack usage $debug_stack_usage"
6233 echo "mutex debugging   $debug_mutex"
6234 echo "crypto afalg      $crypto_afalg"
6235 echo "GlusterFS support $glusterfs"
6236 echo "gcov              $gcov_tool"
6237 echo "gcov enabled      $gcov"
6238 echo "TPM support       $tpm"
6239 echo "libssh2 support   $libssh2"
6240 echo "TPM passthrough   $tpm_passthrough"
6241 echo "TPM emulator      $tpm_emulator"
6242 echo "QOM debugging     $qom_cast_debug"
6243 echo "Live block migration $live_block_migration"
6244 echo "lzo support       $lzo"
6245 echo "snappy support    $snappy"
6246 echo "bzip2 support     $bzip2"
6247 echo "lzfse support     $lzfse"
6248 echo "NUMA host support $numa"
6249 echo "libxml2           $libxml2"
6250 echo "tcmalloc support  $tcmalloc"
6251 echo "jemalloc support  $jemalloc"
6252 echo "avx2 optimization $avx2_opt"
6253 echo "replication support $replication"
6254 echo "VxHS block device $vxhs"
6255 echo "bochs support     $bochs"
6256 echo "cloop support     $cloop"
6257 echo "dmg support       $dmg"
6258 echo "qcow v1 support   $qcow1"
6259 echo "vdi support       $vdi"
6260 echo "vvfat support     $vvfat"
6261 echo "qed support       $qed"
6262 echo "parallels support $parallels"
6263 echo "sheepdog support  $sheepdog"
6264 echo "capstone          $capstone"
6265 echo "docker            $docker"
6266 echo "libpmem support   $libpmem"
6267 echo "libudev           $libudev"
6268 echo "default devices   $default_devices"
6269
6270 if test "$supported_cpu" = "no"; then
6271     echo
6272     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6273     echo
6274     echo "CPU host architecture $cpu support is not currently maintained."
6275     echo "The QEMU project intends to remove support for this host CPU in"
6276     echo "a future release if nobody volunteers to maintain it and to"
6277     echo "provide a build host for our continuous integration setup."
6278     echo "configure has succeeded and you can continue to build, but"
6279     echo "if you care about QEMU on this platform you should contact"
6280     echo "us upstream at qemu-devel@nongnu.org."
6281 fi
6282
6283 if test "$supported_os" = "no"; then
6284     echo
6285     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6286     echo
6287     echo "Host OS $targetos support is not currently maintained."
6288     echo "The QEMU project intends to remove support for this host OS in"
6289     echo "a future release if nobody volunteers to maintain it and to"
6290     echo "provide a build host for our continuous integration setup."
6291     echo "configure has succeeded and you can continue to build, but"
6292     echo "if you care about QEMU on this platform you should contact"
6293     echo "us upstream at qemu-devel@nongnu.org."
6294 fi
6295
6296 config_host_mak="config-host.mak"
6297
6298 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6299
6300 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6301 echo >> $config_host_mak
6302
6303 echo all: >> $config_host_mak
6304 echo "prefix=$prefix" >> $config_host_mak
6305 echo "bindir=$bindir" >> $config_host_mak
6306 echo "libdir=$libdir" >> $config_host_mak
6307 echo "libexecdir=$libexecdir" >> $config_host_mak
6308 echo "includedir=$includedir" >> $config_host_mak
6309 echo "mandir=$mandir" >> $config_host_mak
6310 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6311 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6312 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6313 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6314 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6315 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6316 if test "$mingw32" = "no" ; then
6317   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6318 fi
6319 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6320 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6321 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6322 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6323 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6324 echo "GIT=$git" >> $config_host_mak
6325 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6326 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6327
6328 echo "ARCH=$ARCH" >> $config_host_mak
6329
6330 if test "$default_devices" = "yes" ; then
6331   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6332 else
6333   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6334 fi
6335 if test "$debug_tcg" = "yes" ; then
6336   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6337 fi
6338 if test "$strip_opt" = "yes" ; then
6339   echo "STRIP=${strip}" >> $config_host_mak
6340 fi
6341 if test "$bigendian" = "yes" ; then
6342   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6343 fi
6344 if test "$mingw32" = "yes" ; then
6345   echo "CONFIG_WIN32=y" >> $config_host_mak
6346   rc_version=$(cat $source_path/VERSION)
6347   version_major=${rc_version%%.*}
6348   rc_version=${rc_version#*.}
6349   version_minor=${rc_version%%.*}
6350   rc_version=${rc_version#*.}
6351   version_subminor=${rc_version%%.*}
6352   version_micro=0
6353   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6354   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6355   if test "$guest_agent_with_vss" = "yes" ; then
6356     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6357     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6358     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6359   fi
6360   if test "$guest_agent_ntddscsi" = "yes" ; then
6361     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6362   fi
6363   if test "$guest_agent_msi" = "yes"; then
6364     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6365     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6366     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6367     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6368     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6369     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6370     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6371   fi
6372 else
6373   echo "CONFIG_POSIX=y" >> $config_host_mak
6374 fi
6375
6376 if test "$linux" = "yes" ; then
6377   echo "CONFIG_LINUX=y" >> $config_host_mak
6378 fi
6379
6380 if test "$darwin" = "yes" ; then
6381   echo "CONFIG_DARWIN=y" >> $config_host_mak
6382 fi
6383
6384 if test "$solaris" = "yes" ; then
6385   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6386 fi
6387 if test "$haiku" = "yes" ; then
6388   echo "CONFIG_HAIKU=y" >> $config_host_mak
6389 fi
6390 if test "$static" = "yes" ; then
6391   echo "CONFIG_STATIC=y" >> $config_host_mak
6392 fi
6393 if test "$profiler" = "yes" ; then
6394   echo "CONFIG_PROFILER=y" >> $config_host_mak
6395 fi
6396 if test "$slirp" = "yes" ; then
6397   echo "CONFIG_SLIRP=y" >> $config_host_mak
6398   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6399 fi
6400 if test "$vde" = "yes" ; then
6401   echo "CONFIG_VDE=y" >> $config_host_mak
6402   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6403 fi
6404 if test "$netmap" = "yes" ; then
6405   echo "CONFIG_NETMAP=y" >> $config_host_mak
6406 fi
6407 if test "$l2tpv3" = "yes" ; then
6408   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6409 fi
6410 if test "$cap_ng" = "yes" ; then
6411   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6412 fi
6413 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6414 for drv in $audio_drv_list; do
6415     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6416     case "$drv" in
6417         alsa | oss | pa | sdl)
6418             echo "$def=m" >> $config_host_mak ;;
6419         *)
6420             echo "$def=y" >> $config_host_mak ;;
6421     esac
6422 done
6423 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6424 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6425 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6426 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6427 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6428 if test "$audio_pt_int" = "yes" ; then
6429   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6430 fi
6431 if test "$audio_win_int" = "yes" ; then
6432   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6433 fi
6434 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6435 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6436 if test "$vnc" = "yes" ; then
6437   echo "CONFIG_VNC=y" >> $config_host_mak
6438 fi
6439 if test "$vnc_sasl" = "yes" ; then
6440   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6441 fi
6442 if test "$vnc_jpeg" = "yes" ; then
6443   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6444 fi
6445 if test "$vnc_png" = "yes" ; then
6446   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6447 fi
6448 if test "$xkbcommon" = "yes" ; then
6449   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6450   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6451 fi
6452 if test "$xfs" = "yes" ; then
6453   echo "CONFIG_XFS=y" >> $config_host_mak
6454 fi
6455 qemu_version=$(head $source_path/VERSION)
6456 echo "VERSION=$qemu_version" >>$config_host_mak
6457 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6458 echo "SRC_PATH=$source_path" >> $config_host_mak
6459 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6460 if [ "$docs" = "yes" ] ; then
6461   echo "BUILD_DOCS=yes" >> $config_host_mak
6462 fi
6463 if test "$modules" = "yes"; then
6464   # $shacmd can generate a hash started with digit, which the compiler doesn't
6465   # like as an symbol. So prefix it with an underscore
6466   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6467   echo "CONFIG_MODULES=y" >> $config_host_mak
6468 fi
6469 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6470   echo "CONFIG_X11=y" >> $config_host_mak
6471   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6472   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6473 fi
6474 if test "$sdl" = "yes" ; then
6475   echo "CONFIG_SDL=m" >> $config_host_mak
6476   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6477   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6478   if test "$sdl_image" = "yes" ; then
6479       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6480   fi
6481 fi
6482 if test "$cocoa" = "yes" ; then
6483   echo "CONFIG_COCOA=y" >> $config_host_mak
6484 fi
6485 if test "$curses" = "yes" ; then
6486   echo "CONFIG_CURSES=m" >> $config_host_mak
6487   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6488   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6489 fi
6490 if test "$pipe2" = "yes" ; then
6491   echo "CONFIG_PIPE2=y" >> $config_host_mak
6492 fi
6493 if test "$accept4" = "yes" ; then
6494   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6495 fi
6496 if test "$splice" = "yes" ; then
6497   echo "CONFIG_SPLICE=y" >> $config_host_mak
6498 fi
6499 if test "$eventfd" = "yes" ; then
6500   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6501 fi
6502 if test "$memfd" = "yes" ; then
6503   echo "CONFIG_MEMFD=y" >> $config_host_mak
6504 fi
6505 if test "$have_usbfs" = "yes" ; then
6506   echo "CONFIG_USBFS=y" >> $config_host_mak
6507 fi
6508 if test "$fallocate" = "yes" ; then
6509   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6510 fi
6511 if test "$fallocate_punch_hole" = "yes" ; then
6512   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6513 fi
6514 if test "$fallocate_zero_range" = "yes" ; then
6515   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6516 fi
6517 if test "$posix_fallocate" = "yes" ; then
6518   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6519 fi
6520 if test "$sync_file_range" = "yes" ; then
6521   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6522 fi
6523 if test "$fiemap" = "yes" ; then
6524   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6525 fi
6526 if test "$dup3" = "yes" ; then
6527   echo "CONFIG_DUP3=y" >> $config_host_mak
6528 fi
6529 if test "$ppoll" = "yes" ; then
6530   echo "CONFIG_PPOLL=y" >> $config_host_mak
6531 fi
6532 if test "$prctl_pr_set_timerslack" = "yes" ; then
6533   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6534 fi
6535 if test "$epoll" = "yes" ; then
6536   echo "CONFIG_EPOLL=y" >> $config_host_mak
6537 fi
6538 if test "$epoll_create1" = "yes" ; then
6539   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6540 fi
6541 if test "$sendfile" = "yes" ; then
6542   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6543 fi
6544 if test "$timerfd" = "yes" ; then
6545   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6546 fi
6547 if test "$setns" = "yes" ; then
6548   echo "CONFIG_SETNS=y" >> $config_host_mak
6549 fi
6550 if test "$clock_adjtime" = "yes" ; then
6551   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6552 fi
6553 if test "$syncfs" = "yes" ; then
6554   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6555 fi
6556 if test "$inotify" = "yes" ; then
6557   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6558 fi
6559 if test "$inotify1" = "yes" ; then
6560   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6561 fi
6562 if test "$sem_timedwait" = "yes" ; then
6563   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6564 fi
6565 if test "$strchrnul" = "yes" ; then
6566   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6567 fi
6568 if test "$byteswap_h" = "yes" ; then
6569   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6570 fi
6571 if test "$bswap_h" = "yes" ; then
6572   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6573 fi
6574 if test "$curl" = "yes" ; then
6575   echo "CONFIG_CURL=m" >> $config_host_mak
6576   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6577   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6578 fi
6579 if test "$brlapi" = "yes" ; then
6580   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6581   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6582 fi
6583 if test "$bluez" = "yes" ; then
6584   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6585   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6586 fi
6587 if test "$gtk" = "yes" ; then
6588   echo "CONFIG_GTK=m" >> $config_host_mak
6589   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6590   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6591   if test "$gtk_gl" = "yes" ; then
6592     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6593   fi
6594 fi
6595 if test "$gio" = "yes" ; then
6596     echo "CONFIG_GIO=y" >> $config_host_mak
6597     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6598     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6599 fi
6600 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6601 if test "$gnutls" = "yes" ; then
6602   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6603 fi
6604 if test "$gcrypt" = "yes" ; then
6605   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6606   if test "$gcrypt_hmac" = "yes" ; then
6607     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6608   fi
6609 fi
6610 if test "$nettle" = "yes" ; then
6611   echo "CONFIG_NETTLE=y" >> $config_host_mak
6612   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6613 fi
6614 if test "$tasn1" = "yes" ; then
6615   echo "CONFIG_TASN1=y" >> $config_host_mak
6616 fi
6617 if test "$auth_pam" = "yes" ; then
6618     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6619 fi
6620 if test "$have_ifaddrs_h" = "yes" ; then
6621     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6622 fi
6623 if test "$have_broken_size_max" = "yes" ; then
6624     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6625 fi
6626
6627 # Work around a system header bug with some kernel/XFS header
6628 # versions where they both try to define 'struct fsxattr':
6629 # xfs headers will not try to redefine structs from linux headers
6630 # if this macro is set.
6631 if test "$have_fsxattr" = "yes" ; then
6632     echo "HAVE_FSXATTR=y" >> $config_host_mak
6633 fi
6634 if test "$have_copy_file_range" = "yes" ; then
6635     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6636 fi
6637 if test "$vte" = "yes" ; then
6638   echo "CONFIG_VTE=y" >> $config_host_mak
6639   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6640   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6641 fi
6642 if test "$virglrenderer" = "yes" ; then
6643   echo "CONFIG_VIRGL=y" >> $config_host_mak
6644   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6645   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6646 fi
6647 if test "$xen" = "yes" ; then
6648   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6649   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6650 fi
6651 if test "$linux_aio" = "yes" ; then
6652   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6653 fi
6654 if test "$attr" = "yes" ; then
6655   echo "CONFIG_ATTR=y" >> $config_host_mak
6656 fi
6657 if test "$libattr" = "yes" ; then
6658   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6659 fi
6660 if test "$virtfs" = "yes" ; then
6661   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6662 fi
6663 if test "$mpath" = "yes" ; then
6664   echo "CONFIG_MPATH=y" >> $config_host_mak
6665   if test "$mpathpersist_new_api" = "yes"; then
6666     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6667   fi
6668 fi
6669 if test "$vhost_scsi" = "yes" ; then
6670   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6671 fi
6672 if test "$vhost_net" = "yes" ; then
6673   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6674 fi
6675 if test "$vhost_net_user" = "yes" ; then
6676   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6677 fi
6678 if test "$vhost_crypto" = "yes" ; then
6679   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6680 fi
6681 if test "$vhost_vsock" = "yes" ; then
6682   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6683 fi
6684 if test "$vhost_kernel" = "yes" ; then
6685   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6686 fi
6687 if test "$vhost_user" = "yes" ; then
6688   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6689 fi
6690 if test "$blobs" = "yes" ; then
6691   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6692 fi
6693 if test "$iovec" = "yes" ; then
6694   echo "CONFIG_IOVEC=y" >> $config_host_mak
6695 fi
6696 if test "$preadv" = "yes" ; then
6697   echo "CONFIG_PREADV=y" >> $config_host_mak
6698 fi
6699 if test "$fdt" != "no" ; then
6700   echo "CONFIG_FDT=y" >> $config_host_mak
6701 fi
6702 if test "$membarrier" = "yes" ; then
6703   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6704 fi
6705 if test "$signalfd" = "yes" ; then
6706   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6707 fi
6708 if test "$optreset" = "yes" ; then
6709   echo "HAVE_OPTRESET=y" >> $config_host_mak
6710 fi
6711 if test "$tcg" = "yes"; then
6712   echo "CONFIG_TCG=y" >> $config_host_mak
6713   if test "$tcg_interpreter" = "yes" ; then
6714     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6715   fi
6716 fi
6717 if test "$fdatasync" = "yes" ; then
6718   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6719 fi
6720 if test "$madvise" = "yes" ; then
6721   echo "CONFIG_MADVISE=y" >> $config_host_mak
6722 fi
6723 if test "$posix_madvise" = "yes" ; then
6724   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6725 fi
6726 if test "$posix_memalign" = "yes" ; then
6727   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6728 fi
6729
6730 if test "$spice" = "yes" ; then
6731   echo "CONFIG_SPICE=y" >> $config_host_mak
6732 fi
6733
6734 if test "$smartcard" = "yes" ; then
6735   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6736   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6737   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6738 fi
6739
6740 if test "$libusb" = "yes" ; then
6741   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6742   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6743   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6744 fi
6745
6746 if test "$usb_redir" = "yes" ; then
6747   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6748   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6749   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6750 fi
6751
6752 if test "$opengl" = "yes" ; then
6753   echo "CONFIG_OPENGL=y" >> $config_host_mak
6754   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6755   if test "$opengl_dmabuf" = "yes" ; then
6756     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6757   fi
6758 fi
6759
6760 if test "$malloc_trim" = "yes" ; then
6761   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6762 fi
6763
6764 if test "$avx2_opt" = "yes" ; then
6765   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6766 fi
6767
6768 if test "$lzo" = "yes" ; then
6769   echo "CONFIG_LZO=y" >> $config_host_mak
6770 fi
6771
6772 if test "$snappy" = "yes" ; then
6773   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6774 fi
6775
6776 if test "$bzip2" = "yes" ; then
6777   echo "CONFIG_BZIP2=y" >> $config_host_mak
6778   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6779 fi
6780
6781 if test "$lzfse" = "yes" ; then
6782   echo "CONFIG_LZFSE=y" >> $config_host_mak
6783   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6784 fi
6785
6786 if test "$libiscsi" = "yes" ; then
6787   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6788   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6789   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6790 fi
6791
6792 if test "$libnfs" = "yes" ; then
6793   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6794   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6795 fi
6796
6797 if test "$seccomp" = "yes"; then
6798   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6799   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6800   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6801 fi
6802
6803 # XXX: suppress that
6804 if [ "$bsd" = "yes" ] ; then
6805   echo "CONFIG_BSD=y" >> $config_host_mak
6806 fi
6807
6808 if test "$localtime_r" = "yes" ; then
6809   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6810 fi
6811 if test "$qom_cast_debug" = "yes" ; then
6812   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6813 fi
6814 if test "$rbd" = "yes" ; then
6815   echo "CONFIG_RBD=m" >> $config_host_mak
6816   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6817   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6818 fi
6819
6820 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6821 if test "$coroutine_pool" = "yes" ; then
6822   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6823 else
6824   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6825 fi
6826
6827 if test "$debug_stack_usage" = "yes" ; then
6828   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6829 fi
6830
6831 if test "$crypto_afalg" = "yes" ; then
6832   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6833 fi
6834
6835 if test "$open_by_handle_at" = "yes" ; then
6836   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6837 fi
6838
6839 if test "$linux_magic_h" = "yes" ; then
6840   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6841 fi
6842
6843 if test "$pragma_diagnostic_available" = "yes" ; then
6844   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6845 fi
6846
6847 if test "$valgrind_h" = "yes" ; then
6848   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6849 fi
6850
6851 if test "$have_asan_iface_fiber" = "yes" ; then
6852     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6853 fi
6854
6855 if test "$has_environ" = "yes" ; then
6856   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6857 fi
6858
6859 if test "$cpuid_h" = "yes" ; then
6860   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6861 fi
6862
6863 if test "$int128" = "yes" ; then
6864   echo "CONFIG_INT128=y" >> $config_host_mak
6865 fi
6866
6867 if test "$atomic128" = "yes" ; then
6868   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6869 fi
6870
6871 if test "$cmpxchg128" = "yes" ; then
6872   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6873 fi
6874
6875 if test "$atomic64" = "yes" ; then
6876   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6877 fi
6878
6879 if test "$vector16" = "yes" ; then
6880   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6881 fi
6882
6883 if test "$getauxval" = "yes" ; then
6884   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6885 fi
6886
6887 if test "$glusterfs" = "yes" ; then
6888   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6889   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6890   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6891 fi
6892
6893 if test "$glusterfs_xlator_opt" = "yes" ; then
6894   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6895 fi
6896
6897 if test "$glusterfs_discard" = "yes" ; then
6898   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6899 fi
6900
6901 if test "$glusterfs_fallocate" = "yes" ; then
6902   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6903 fi
6904
6905 if test "$glusterfs_zerofill" = "yes" ; then
6906   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6907 fi
6908
6909 if test "$libssh2" = "yes" ; then
6910   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6911   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6912   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6913 fi
6914
6915 if test "$live_block_migration" = "yes" ; then
6916   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6917 fi
6918
6919 if test "$tpm" = "yes"; then
6920   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6921   # TPM passthrough support?
6922   if test "$tpm_passthrough" = "yes"; then
6923     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6924   fi
6925   # TPM emulator support?
6926   if test "$tpm_emulator" = "yes"; then
6927     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6928   fi
6929 fi
6930
6931 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6932 if have_backend "nop"; then
6933   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6934 fi
6935 if have_backend "simple"; then
6936   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6937   # Set the appropriate trace file.
6938   trace_file="\"$trace_file-\" FMT_pid"
6939 fi
6940 if have_backend "log"; then
6941   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6942 fi
6943 if have_backend "ust"; then
6944   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6945 fi
6946 if have_backend "dtrace"; then
6947   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6948   if test "$trace_backend_stap" = "yes" ; then
6949     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6950   fi
6951 fi
6952 if have_backend "ftrace"; then
6953   if test "$linux" = "yes" ; then
6954     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6955   else
6956     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6957   fi
6958 fi
6959 if have_backend "syslog"; then
6960   if test "$posix_syslog" = "yes" ; then
6961     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6962   else
6963     feature_not_found "syslog(trace backend)" "syslog not available"
6964   fi
6965 fi
6966 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6967
6968 if test "$rdma" = "yes" ; then
6969   echo "CONFIG_RDMA=y" >> $config_host_mak
6970   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6971 fi
6972
6973 if test "$pvrdma" = "yes" ; then
6974   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6975 fi
6976
6977 if test "$have_rtnetlink" = "yes" ; then
6978   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6979 fi
6980
6981 if test "$libxml2" = "yes" ; then
6982   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6983   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6984   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6985 fi
6986
6987 if test "$replication" = "yes" ; then
6988   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6989 fi
6990
6991 if test "$have_af_vsock" = "yes" ; then
6992   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6993 fi
6994
6995 if test "$have_sysmacros" = "yes" ; then
6996   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6997 fi
6998
6999 if test "$have_static_assert" = "yes" ; then
7000   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7001 fi
7002
7003 if test "$have_utmpx" = "yes" ; then
7004   echo "HAVE_UTMPX=y" >> $config_host_mak
7005 fi
7006
7007 if test "$ivshmem" = "yes" ; then
7008   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7009 fi
7010 if test "$capstone" != "no" ; then
7011   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7012 fi
7013 if test "$debug_mutex" = "yes" ; then
7014   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7015 fi
7016
7017 # Hold two types of flag:
7018 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7019 #                                     a thread we have a handle to
7020 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7021 #                                     platform
7022 if test "$pthread_setname_np_w_tid" = "yes" ; then
7023   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7024   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7025 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7026   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7027   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7028 fi
7029
7030 if test "$vxhs" = "yes" ; then
7031   echo "CONFIG_VXHS=y" >> $config_host_mak
7032   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7033 fi
7034
7035 if test "$libpmem" = "yes" ; then
7036   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7037 fi
7038
7039 if test "$bochs" = "yes" ; then
7040   echo "CONFIG_BOCHS=y" >> $config_host_mak
7041 fi
7042 if test "$cloop" = "yes" ; then
7043   echo "CONFIG_CLOOP=y" >> $config_host_mak
7044 fi
7045 if test "$dmg" = "yes" ; then
7046   echo "CONFIG_DMG=y" >> $config_host_mak
7047 fi
7048 if test "$qcow1" = "yes" ; then
7049   echo "CONFIG_QCOW1=y" >> $config_host_mak
7050 fi
7051 if test "$vdi" = "yes" ; then
7052   echo "CONFIG_VDI=y" >> $config_host_mak
7053 fi
7054 if test "$vvfat" = "yes" ; then
7055   echo "CONFIG_VVFAT=y" >> $config_host_mak
7056 fi
7057 if test "$qed" = "yes" ; then
7058   echo "CONFIG_QED=y" >> $config_host_mak
7059 fi
7060 if test "$parallels" = "yes" ; then
7061   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7062 fi
7063 if test "$sheepdog" = "yes" ; then
7064   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7065 fi
7066
7067 if test "$tcg_interpreter" = "yes"; then
7068   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7069 elif test "$ARCH" = "sparc64" ; then
7070   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7071 elif test "$ARCH" = "s390x" ; then
7072   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7073 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7074   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7075 elif test "$ARCH" = "ppc64" ; then
7076   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7077 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7078   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7079 else
7080   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7081 fi
7082 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7083
7084 echo "TOOLS=$tools" >> $config_host_mak
7085 echo "ROMS=$roms" >> $config_host_mak
7086 echo "MAKE=$make" >> $config_host_mak
7087 echo "INSTALL=$install" >> $config_host_mak
7088 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7089 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7090 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7091 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7092 echo "PYTHON=$python" >> $config_host_mak
7093 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
7094 echo "CC=$cc" >> $config_host_mak
7095 if $iasl -h > /dev/null 2>&1; then
7096   echo "IASL=$iasl" >> $config_host_mak
7097 fi
7098 echo "HOST_CC=$host_cc" >> $config_host_mak
7099 echo "CXX=$cxx" >> $config_host_mak
7100 echo "OBJCC=$objcc" >> $config_host_mak
7101 echo "AR=$ar" >> $config_host_mak
7102 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7103 echo "AS=$as" >> $config_host_mak
7104 echo "CCAS=$ccas" >> $config_host_mak
7105 echo "CPP=$cpp" >> $config_host_mak
7106 echo "OBJCOPY=$objcopy" >> $config_host_mak
7107 echo "LD=$ld" >> $config_host_mak
7108 echo "RANLIB=$ranlib" >> $config_host_mak
7109 echo "NM=$nm" >> $config_host_mak
7110 echo "WINDRES=$windres" >> $config_host_mak
7111 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7112 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7113 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7114 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7115 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7116 if test "$sparse" = "yes" ; then
7117   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7118   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7119   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7120   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7121   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7122 fi
7123 if test "$cross_prefix" != ""; then
7124   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7125 else
7126   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7127 fi
7128 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7129 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7130 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7131 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7132 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7133 echo "LIBS+=$LIBS" >> $config_host_mak
7134 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7135 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7136 echo "EXESUF=$EXESUF" >> $config_host_mak
7137 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7138 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7139 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7140 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7141 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7142 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7143 if test "$gcov" = "yes" ; then
7144   echo "CONFIG_GCOV=y" >> $config_host_mak
7145   echo "GCOV=$gcov_tool" >> $config_host_mak
7146 fi
7147
7148 if test "$docker" != "no"; then
7149     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7150 fi
7151
7152 if test "$libudev" != "no"; then
7153     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7154     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7155 fi
7156
7157 # use included Linux headers
7158 if test "$linux" = "yes" ; then
7159   mkdir -p linux-headers
7160   case "$cpu" in
7161   i386|x86_64|x32)
7162     linux_arch=x86
7163     ;;
7164   ppc|ppc64)
7165     linux_arch=powerpc
7166     ;;
7167   s390x)
7168     linux_arch=s390
7169     ;;
7170   aarch64)
7171     linux_arch=arm64
7172     ;;
7173   mips64)
7174     linux_arch=mips
7175     ;;
7176   *)
7177     # For most CPUs the kernel architecture name and QEMU CPU name match.
7178     linux_arch="$cpu"
7179     ;;
7180   esac
7181     # For non-KVM architectures we will not have asm headers
7182     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7183       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7184     fi
7185 fi
7186
7187 for target in $target_list; do
7188 target_dir="$target"
7189 config_target_mak=$target_dir/config-target.mak
7190 target_name=$(echo $target | cut -d '-' -f 1)
7191 target_bigendian="no"
7192
7193 case "$target_name" in
7194   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7195   target_bigendian=yes
7196   ;;
7197 esac
7198 target_softmmu="no"
7199 target_user_only="no"
7200 target_linux_user="no"
7201 target_bsd_user="no"
7202 case "$target" in
7203   ${target_name}-softmmu)
7204     target_softmmu="yes"
7205     ;;
7206   ${target_name}-linux-user)
7207     target_user_only="yes"
7208     target_linux_user="yes"
7209     ;;
7210   ${target_name}-bsd-user)
7211     target_user_only="yes"
7212     target_bsd_user="yes"
7213     ;;
7214   *)
7215     error_exit "Target '$target' not recognised"
7216     exit 1
7217     ;;
7218 esac
7219
7220 target_compiler=""
7221 target_compiler_static=""
7222 target_compiler_cflags=""
7223
7224 mkdir -p $target_dir
7225 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7226
7227 bflt="no"
7228 mttcg="no"
7229 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7230 gdb_xml_files=""
7231
7232 TARGET_ARCH="$target_name"
7233 TARGET_BASE_ARCH=""
7234 TARGET_ABI_DIR=""
7235
7236 case "$target_name" in
7237   i386)
7238     mttcg="yes"
7239         gdb_xml_files="i386-32bit.xml"
7240     target_compiler=$cross_cc_i386
7241     target_compiler_cflags=$cross_cc_ccflags_i386
7242   ;;
7243   x86_64)
7244     TARGET_BASE_ARCH=i386
7245     mttcg="yes"
7246         gdb_xml_files="i386-64bit.xml"
7247     target_compiler=$cross_cc_x86_64
7248   ;;
7249   alpha)
7250     mttcg="yes"
7251     target_compiler=$cross_cc_alpha
7252   ;;
7253   arm|armeb)
7254     TARGET_ARCH=arm
7255     bflt="yes"
7256     mttcg="yes"
7257     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7258     target_compiler=$cross_cc_arm
7259     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7260   ;;
7261   aarch64|aarch64_be)
7262     TARGET_ARCH=aarch64
7263     TARGET_BASE_ARCH=arm
7264     bflt="yes"
7265     mttcg="yes"
7266     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7267     target_compiler=$cross_cc_aarch64
7268     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7269   ;;
7270   cris)
7271     target_compiler=$cross_cc_cris
7272   ;;
7273   hppa)
7274     mttcg="yes"
7275     target_compiler=$cross_cc_hppa
7276   ;;
7277   lm32)
7278     target_compiler=$cross_cc_lm32
7279   ;;
7280   m68k)
7281     bflt="yes"
7282     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7283     target_compiler=$cross_cc_m68k
7284   ;;
7285   microblaze|microblazeel)
7286     TARGET_ARCH=microblaze
7287     bflt="yes"
7288     echo "TARGET_ABI32=y" >> $config_target_mak
7289     target_compiler=$cross_cc_microblaze
7290   ;;
7291   mips|mipsel)
7292     mttcg="yes"
7293     TARGET_ARCH=mips
7294     target_compiler=$cross_cc_mips
7295     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7296   ;;
7297   mipsn32|mipsn32el)
7298     mttcg="yes"
7299     TARGET_ARCH=mips64
7300     TARGET_BASE_ARCH=mips
7301     target_compiler=$cross_cc_mipsn32
7302     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7303     echo "TARGET_ABI32=y" >> $config_target_mak
7304   ;;
7305   mips64|mips64el)
7306     mttcg="yes"
7307     TARGET_ARCH=mips64
7308     TARGET_BASE_ARCH=mips
7309     target_compiler=$cross_cc_mips64
7310     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7311   ;;
7312   moxie)
7313     target_compiler=$cross_cc_moxie
7314   ;;
7315   nios2)
7316     target_compiler=$cross_cc_nios2
7317   ;;
7318   or1k)
7319     target_compiler=$cross_cc_or1k
7320     TARGET_ARCH=openrisc
7321     TARGET_BASE_ARCH=openrisc
7322   ;;
7323   ppc)
7324     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7325     target_compiler=$cross_cc_powerpc
7326   ;;
7327   ppc64)
7328     TARGET_BASE_ARCH=ppc
7329     TARGET_ABI_DIR=ppc
7330     mttcg=yes
7331     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7332     target_compiler=$cross_cc_ppc64
7333   ;;
7334   ppc64le)
7335     TARGET_ARCH=ppc64
7336     TARGET_BASE_ARCH=ppc
7337     TARGET_ABI_DIR=ppc
7338     mttcg=yes
7339     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7340     target_compiler=$cross_cc_ppc64le
7341   ;;
7342   ppc64abi32)
7343     TARGET_ARCH=ppc64
7344     TARGET_BASE_ARCH=ppc
7345     TARGET_ABI_DIR=ppc
7346     echo "TARGET_ABI32=y" >> $config_target_mak
7347     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7348     target_compiler=$cross_cc_ppc64abi32
7349   ;;
7350   riscv32)
7351     TARGET_BASE_ARCH=riscv
7352     TARGET_ABI_DIR=riscv
7353     mttcg=yes
7354     target_compiler=$cross_cc_riscv32
7355   ;;
7356   riscv64)
7357     TARGET_BASE_ARCH=riscv
7358     TARGET_ABI_DIR=riscv
7359     mttcg=yes
7360     target_compiler=$cross_cc_riscv64
7361   ;;
7362   sh4|sh4eb)
7363     TARGET_ARCH=sh4
7364     bflt="yes"
7365     target_compiler=$cross_cc_sh4
7366   ;;
7367   sparc)
7368     target_compiler=$cross_cc_sparc
7369   ;;
7370   sparc64)
7371     TARGET_BASE_ARCH=sparc
7372     target_compiler=$cross_cc_sparc64
7373   ;;
7374   sparc32plus)
7375     TARGET_ARCH=sparc64
7376     TARGET_BASE_ARCH=sparc
7377     TARGET_ABI_DIR=sparc
7378     target_compiler=$cross_cc_sparc32plus
7379     echo "TARGET_ABI32=y" >> $config_target_mak
7380   ;;
7381   s390x)
7382     mttcg=yes
7383     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7384     target_compiler=$cross_cc_s390x
7385   ;;
7386   tilegx)
7387     target_compiler=$cross_cc_tilegx
7388   ;;
7389   tricore)
7390     target_compiler=$cross_cc_tricore
7391   ;;
7392   unicore32)
7393     target_compiler=$cross_cc_unicore32
7394   ;;
7395   xtensa|xtensaeb)
7396     TARGET_ARCH=xtensa
7397     bflt="yes"
7398     mttcg="yes"
7399     target_compiler=$cross_cc_xtensa
7400   ;;
7401   *)
7402     error_exit "Unsupported target CPU"
7403   ;;
7404 esac
7405 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7406 if [ "$TARGET_BASE_ARCH" = "" ]; then
7407   TARGET_BASE_ARCH=$TARGET_ARCH
7408 fi
7409
7410 # Do we have a cross compiler for this target?
7411 if has $target_compiler; then
7412
7413     write_c_skeleton
7414
7415     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7416         # For host systems we might get away with building without -static
7417         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7418             target_compiler=""
7419         else
7420             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7421             target_compiler_static="n"
7422         fi
7423     else
7424         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7425         target_compiler_static="y"
7426     fi
7427 else
7428     target_compiler=""
7429 fi
7430
7431 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7432
7433 upper() {
7434     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7435 }
7436
7437 target_arch_name="$(upper $TARGET_ARCH)"
7438 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7439 echo "TARGET_NAME=$target_name" >> $config_target_mak
7440 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7441 if [ "$TARGET_ABI_DIR" = "" ]; then
7442   TARGET_ABI_DIR=$TARGET_ARCH
7443 fi
7444 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7445 if [ "$HOST_VARIANT_DIR" != "" ]; then
7446     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7447 fi
7448
7449 if supported_xen_target $target; then
7450     echo "CONFIG_XEN=y" >> $config_target_mak
7451     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7452     if test "$xen_pci_passthrough" = yes; then
7453         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7454     fi
7455 else
7456     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7457 fi
7458 if supported_kvm_target $target; then
7459     echo "CONFIG_KVM=y" >> $config_target_mak
7460     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7461 else
7462     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7463 fi
7464 if supported_hax_target $target; then
7465     echo "CONFIG_HAX=y" >> $config_target_mak
7466 fi
7467 if supported_hvf_target $target; then
7468     echo "CONFIG_HVF=y" >> $config_target_mak
7469 fi
7470 if supported_whpx_target $target; then
7471     echo "CONFIG_WHPX=y" >> $config_target_mak
7472 fi
7473 if test "$target_bigendian" = "yes" ; then
7474   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7475 fi
7476 if test "$target_softmmu" = "yes" ; then
7477   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7478   if test "$mttcg" = "yes" ; then
7479     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7480   fi
7481 fi
7482 if test "$target_user_only" = "yes" ; then
7483   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7484   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7485 fi
7486 if test "$target_linux_user" = "yes" ; then
7487   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7488 fi
7489 list=""
7490 if test ! -z "$gdb_xml_files" ; then
7491   for x in $gdb_xml_files; do
7492     list="$list $source_path/gdb-xml/$x"
7493   done
7494   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7495 fi
7496
7497 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7498   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7499 fi
7500 if test "$target_bsd_user" = "yes" ; then
7501   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7502 fi
7503
7504 if test -n "$target_compiler"; then
7505   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7506
7507   if test -n "$target_compiler_static"; then
7508       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7509   fi
7510
7511   if test -n "$target_compiler_cflags"; then
7512       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7513   fi
7514 fi
7515
7516
7517 # generate QEMU_CFLAGS/LDFLAGS for targets
7518
7519 cflags=""
7520 ldflags=""
7521
7522 disas_config() {
7523   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7524   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7525 }
7526
7527 for i in $ARCH $TARGET_BASE_ARCH ; do
7528   case "$i" in
7529   alpha)
7530     disas_config "ALPHA"
7531   ;;
7532   aarch64)
7533     if test -n "${cxx}"; then
7534       disas_config "ARM_A64"
7535     fi
7536   ;;
7537   arm)
7538     disas_config "ARM"
7539     if test -n "${cxx}"; then
7540       disas_config "ARM_A64"
7541     fi
7542   ;;
7543   cris)
7544     disas_config "CRIS"
7545   ;;
7546   hppa)
7547     disas_config "HPPA"
7548   ;;
7549   i386|x86_64|x32)
7550     disas_config "I386"
7551   ;;
7552   lm32)
7553     disas_config "LM32"
7554   ;;
7555   m68k)
7556     disas_config "M68K"
7557   ;;
7558   microblaze*)
7559     disas_config "MICROBLAZE"
7560   ;;
7561   mips*)
7562     disas_config "MIPS"
7563     if test -n "${cxx}"; then
7564       disas_config "NANOMIPS"
7565     fi
7566   ;;
7567   moxie*)
7568     disas_config "MOXIE"
7569   ;;
7570   nios2)
7571     disas_config "NIOS2"
7572   ;;
7573   or1k)
7574     disas_config "OPENRISC"
7575   ;;
7576   ppc*)
7577     disas_config "PPC"
7578   ;;
7579   riscv*)
7580     disas_config "RISCV"
7581   ;;
7582   s390*)
7583     disas_config "S390"
7584   ;;
7585   sh4)
7586     disas_config "SH4"
7587   ;;
7588   sparc*)
7589     disas_config "SPARC"
7590   ;;
7591   xtensa*)
7592     disas_config "XTENSA"
7593   ;;
7594   esac
7595 done
7596 if test "$tcg_interpreter" = "yes" ; then
7597   disas_config "TCI"
7598 fi
7599
7600 case "$ARCH" in
7601 alpha)
7602   # Ensure there's only a single GP
7603   cflags="-msmall-data $cflags"
7604 ;;
7605 esac
7606
7607 if test "$gprof" = "yes" ; then
7608   echo "TARGET_GPROF=y" >> $config_target_mak
7609   if test "$target_linux_user" = "yes" ; then
7610     cflags="-p $cflags"
7611     ldflags="-p $ldflags"
7612   fi
7613   if test "$target_softmmu" = "yes" ; then
7614     ldflags="-p $ldflags"
7615     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7616   fi
7617 fi
7618
7619 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7620   ldflags="$ldflags $textseg_ldflags"
7621 fi
7622
7623 # Newer kernels on s390 check for an S390_PGSTE program header and
7624 # enable the pgste page table extensions in that case. This makes
7625 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7626 # header if
7627 #  - we build on s390x
7628 #  - we build the system emulation for s390x (qemu-system-s390x)
7629 #  - KVM is enabled
7630 #  - the linker supports --s390-pgste
7631 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7632         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7633     if ld_has --s390-pgste ; then
7634         ldflags="-Wl,--s390-pgste $ldflags"
7635     fi
7636 fi
7637
7638 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7639 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7640
7641 done # for target in $targets
7642
7643 if test -n "$enabled_cross_compilers"; then
7644     echo
7645     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7646 fi
7647
7648 if [ "$fdt" = "git" ]; then
7649   echo "config-host.h: subdir-dtc" >> $config_host_mak
7650 fi
7651 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7652   echo "config-host.h: subdir-capstone" >> $config_host_mak
7653 fi
7654 if test -n "$LIBCAPSTONE"; then
7655   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7656 fi
7657
7658 if test "$numa" = "yes"; then
7659   echo "CONFIG_NUMA=y" >> $config_host_mak
7660 fi
7661
7662 if test "$ccache_cpp2" = "yes"; then
7663   echo "export CCACHE_CPP2=y" >> $config_host_mak
7664 fi
7665
7666 # If we're using a separate build tree, set it up now.
7667 # DIRS are directories which we simply mkdir in the build tree;
7668 # LINKS are things to symlink back into the source tree
7669 # (these can be both files and directories).
7670 # Caution: do not add files or directories here using wildcards. This
7671 # will result in problems later if a new file matching the wildcard is
7672 # added to the source tree -- nothing will cause configure to be rerun
7673 # so the build tree will be missing the link back to the new file, and
7674 # tests might fail. Prefer to keep the relevant files in their own
7675 # directory and symlink the directory instead.
7676 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7677 DIRS="$DIRS tests/fp"
7678 DIRS="$DIRS docs docs/interop fsdev scsi"
7679 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7680 DIRS="$DIRS roms/seabios roms/vgabios"
7681 LINKS="Makefile tests/tcg/Makefile qdict-test-data.txt"
7682 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7683 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7684 LINKS="$LINKS tests/fp/Makefile"
7685 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7686 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7687 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7688 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7689 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7690 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7691 LINKS="$LINKS tests/acceptance tests/data"
7692 LINKS="$LINKS tests/qemu-iotests/check"
7693 LINKS="$LINKS python"
7694 for bios_file in \
7695     $source_path/pc-bios/*.bin \
7696     $source_path/pc-bios/*.lid \
7697     $source_path/pc-bios/*.aml \
7698     $source_path/pc-bios/*.rom \
7699     $source_path/pc-bios/*.dtb \
7700     $source_path/pc-bios/*.img \
7701     $source_path/pc-bios/openbios-* \
7702     $source_path/pc-bios/u-boot.* \
7703     $source_path/pc-bios/palcode-*
7704 do
7705     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7706 done
7707 mkdir -p $DIRS
7708 for f in $LINKS ; do
7709     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7710         symlink "$source_path/$f" "$f"
7711     fi
7712 done
7713
7714 # temporary config to build submodules
7715 for rom in seabios vgabios ; do
7716     config_mak=roms/$rom/config.mak
7717     echo "# Automatically generated by configure - do not modify" > $config_mak
7718     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7719     echo "AS=$as" >> $config_mak
7720     echo "CCAS=$ccas" >> $config_mak
7721     echo "CC=$cc" >> $config_mak
7722     echo "BCC=bcc" >> $config_mak
7723     echo "CPP=$cpp" >> $config_mak
7724     echo "OBJCOPY=objcopy" >> $config_mak
7725     echo "IASL=$iasl" >> $config_mak
7726     echo "LD=$ld" >> $config_mak
7727     echo "RANLIB=$ranlib" >> $config_mak
7728 done
7729
7730 # set up qemu-iotests in this build directory
7731 iotests_common_env="tests/qemu-iotests/common.env"
7732
7733 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7734 echo >> "$iotests_common_env"
7735 echo "export PYTHON='$python'" >> "$iotests_common_env"
7736
7737 # Save the configure command line for later reuse.
7738 cat <<EOD >config.status
7739 #!/bin/sh
7740 # Generated by configure.
7741 # Run this file to recreate the current configuration.
7742 # Compiler output produced by configure, useful for debugging
7743 # configure, is in config.log if it exists.
7744 EOD
7745
7746 preserve_env() {
7747     envname=$1
7748
7749     eval envval=\$$envname
7750
7751     if test -n "$envval"
7752     then
7753         echo "$envname='$envval'" >> config.status
7754         echo "export $envname" >> config.status
7755     else
7756         echo "unset $envname" >> config.status
7757     fi
7758 }
7759
7760 # Preserve various env variables that influence what
7761 # features/build target configure will detect
7762 preserve_env AR
7763 preserve_env AS
7764 preserve_env CC
7765 preserve_env CPP
7766 preserve_env CXX
7767 preserve_env INSTALL
7768 preserve_env LD
7769 preserve_env LD_LIBRARY_PATH
7770 preserve_env LIBTOOL
7771 preserve_env MAKE
7772 preserve_env NM
7773 preserve_env OBJCOPY
7774 preserve_env PATH
7775 preserve_env PKG_CONFIG
7776 preserve_env PKG_CONFIG_LIBDIR
7777 preserve_env PKG_CONFIG_PATH
7778 preserve_env PYTHON
7779 preserve_env SDL_CONFIG
7780 preserve_env SDL2_CONFIG
7781 preserve_env SMBD
7782 preserve_env STRIP
7783 preserve_env WINDRES
7784
7785 printf "exec" >>config.status
7786 printf " '%s'" "$0" "$@" >>config.status
7787 echo ' "$@"' >>config.status
7788 chmod +x config.status
7789
7790 rm -r "$TMPDIR1"