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}/${TMPB}.mo"
  33 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  34
  35 rm -f config.log
  36
  37 # Print a helpful header at the top of config.log
  38 echo "# QEMU configure log $(date)" >> config.log
  39 printf "# Configured with:" >> config.log
  40 printf " '%s'" "$0" "$@" >> config.log
  41 echo >> config.log
  42 echo "#" >> config.log
  43
  44 print_error() {
  45     (echo
  46     echo "ERROR: $1"
  47     while test -n "$2"; do
  48         echo "       $2"
  49         shift
  50     done
  51     echo) >&2
  52 }
  53
  54 error_exit() {
  55     print_error "$@"
  56     exit 1
  57 }
  58
  59 do_compiler() {
  60     # Run the compiler, capturing its output to the log. First argument
  61     # is compiler binary to execute.
  62     local compiler="$1"
  63     shift
  64     if test -n "$BASH_VERSION"; then eval '
  65         echo >>config.log "
  66 funcs: ${FUNCNAME[*]}
  67 lines: ${BASH_LINENO[*]}"
  68     '; fi
  69     echo $compiler "$@" >> config.log
  70     $compiler "$@" >> config.log 2>&1 || return $?
  71     # Test passed. If this is an --enable-werror build, rerun
  72     # the test with -Werror and bail out if it fails. This
  73     # makes warning-generating-errors in configure test code
  74     # obvious to developers.
  75     if test "$werror" != "yes"; then
  76         return 0
  77     fi
  78     # Don't bother rerunning the compile if we were already using -Werror
  79     case "$*" in
  80         *-Werror*)
  81            return 0
  82         ;;
  83     esac
  84     echo $compiler -Werror "$@" >> config.log
  85     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  86     error_exit "configure test passed without -Werror but failed with -Werror." \
  87         "This is probably a bug in the configure script. The failing command" \
  88         "will be at the bottom of config.log." \
  89         "You can run configure with --disable-werror to bypass this check."
  90 }
  91
  92 do_cc() {
  93     do_compiler "$cc" "$@"
  94 }
  95
  96 do_cxx() {
  97     do_compiler "$cxx" "$@"
  98 }
  99
 100 update_cxxflags() {
 101     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 102     # options which some versions of GCC's C++ compiler complain about
 103     # because they only make sense for C programs.
 104     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 105
 106     for arg in $QEMU_CFLAGS; do
 107         case $arg in
 108             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 109             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 110                 ;;
 111             -std=gnu99)
 112                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 113                 ;;
 114             *)
 115                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 116                 ;;
 117         esac
 118     done
 119 }
 120
 121 compile_object() {
 122   local_cflags="$1"
 123   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 124 }
 125
 126 compile_prog() {
 127   local_cflags="$1"
 128   local_ldflags="$2"
 129   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 130 }
 131
 132 # symbolically link $1 to $2.  Portable version of "ln -sf".
 133 symlink() {
 134   rm -rf "$2"
 135   mkdir -p "$(dirname "$2")"
 136   ln -s "$1" "$2"
 137 }
 138
 139 # check whether a command is available to this shell (may be either an
 140 # executable or a builtin)
 141 has() {
 142     type "$1" >/dev/null 2>&1
 143 }
 144
 145 # search for an executable in PATH
 146 path_of() {
 147     local_command="$1"
 148     local_ifs="$IFS"
 149     local_dir=""
 150
 151     # pathname has a dir component?
 152     if [ "${local_command#*/}" != "$local_command" ]; then
 153         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 154             echo "$local_command"
 155             return 0
 156         fi
 157     fi
 158     if [ -z "$local_command" ]; then
 159         return 1
 160     fi
 161
 162     IFS=:
 163     for local_dir in $PATH; do
 164         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 165             echo "$local_dir/$local_command"
 166             IFS="${local_ifs:-$(printf ' \t\n')}"
 167             return 0
 168         fi
 169     done
 170     # not found
 171     IFS="${local_ifs:-$(printf ' \t\n')}"
 172     return 1
 173 }
 174
 175 have_backend () {
 176     echo "$trace_backends" | grep "$1" >/dev/null
 177 }
 178
 179 glob() {
 180     eval test -z '"${1#'"$2"'}"'
 181 }
 182
 183 supported_hax_target() {
 184     test "$hax" = "yes" || return 1
 185     glob "$1" "*-softmmu" || return 1
 186     case "${1%-softmmu}" in
 187         i386|x86_64)
 188             return 0
 189         ;;
 190     esac
 191     return 1
 192 }
 193
 194 supported_kvm_target() {
 195     test "$kvm" = "yes" || return 1
 196     glob "$1" "*-softmmu" || return 1
 197     case "${1%-softmmu}:$cpu" in
 198         arm:arm | aarch64:aarch64 | \
 199         i386:i386 | i386:x86_64 | i386:x32 | \
 200         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 201         mips:mips | mipsel:mips | \
 202         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 203         s390x:s390x)
 204             return 0
 205         ;;
 206     esac
 207     return 1
 208 }
 209
 210 supported_xen_target() {
 211     test "$xen" = "yes" || return 1
 212     glob "$1" "*-softmmu" || return 1
 213     # Only i386 and x86_64 provide the xenpv machine.
 214     case "${1%-softmmu}" in
 215         i386|x86_64)
 216             return 0
 217         ;;
 218     esac
 219     return 1
 220 }
 221
 222 supported_hvf_target() {
 223     test "$hvf" = "yes" || return 1
 224     glob "$1" "*-softmmu" || return 1
 225     case "${1%-softmmu}" in
 226         x86_64)
 227             return 0
 228         ;;
 229     esac
 230     return 1
 231 }
 232
 233 supported_whpx_target() {
 234     test "$whpx" = "yes" || return 1
 235     glob "$1" "*-softmmu" || return 1
 236     case "${1%-softmmu}" in
 237         i386|x86_64)
 238             return 0
 239         ;;
 240     esac
 241     return 1
 242 }
 243
 244 supported_target() {
 245     case "$1" in
 246         *-softmmu)
 247             ;;
 248         *-linux-user)
 249             if test "$linux" != "yes"; then
 250                 print_error "Target '$target' is only available on a Linux host"
 251                 return 1
 252             fi
 253             ;;
 254         *-bsd-user)
 255             if test "$bsd" != "yes"; then
 256                 print_error "Target '$target' is only available on a BSD host"
 257                 return 1
 258             fi
 259             ;;
 260         *)
 261             print_error "Invalid target name '$target'"
 262             return 1
 263             ;;
 264     esac
 265     test "$tcg" = "yes" && return 0
 266     supported_kvm_target "$1" && return 0
 267     supported_xen_target "$1" && return 0
 268     supported_hax_target "$1" && return 0
 269     supported_hvf_target "$1" && return 0
 270     supported_whpx_target "$1" && return 0
 271     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 272     return 1
 273 }
 274
 275
 276 ld_has() {
 277     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 278 }
 279
 280 # make source path absolute
 281 source_path=$(cd "$(dirname -- "$0")"; pwd)
 282
 283 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 284 then
 285   error_exit "main directory cannot contain spaces nor colons"
 286 fi
 287
 288 # default parameters
 289 cpu=""
 290 iasl="iasl"
 291 interp_prefix="/usr/gnemul/qemu-%M"
 292 static="no"
 293 cross_prefix=""
 294 audio_drv_list=""
 295 block_drv_rw_whitelist=""
 296 block_drv_ro_whitelist=""
 297 host_cc="cc"
 298 libs_cpu=""
 299 libs_softmmu=""
 300 libs_tools=""
 301 audio_win_int=""
 302 libs_qga=""
 303 debug_info="yes"
 304 stack_protector=""
 305
 306 if test -e "$source_path/.git"
 307 then
 308     git_update=yes
 309     git_submodules="ui/keycodemapdb"
 310     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 311     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 312 else
 313     git_update=no
 314     git_submodules=""
 315
 316     if ! test -f "$source_path/ui/keycodemapdb/README"
 317     then
 318         echo
 319         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 320         echo
 321         echo "This is not a GIT checkout but module content appears to"
 322         echo "be missing. Do not use 'git archive' or GitHub download links"
 323         echo "to acquire QEMU source archives. Non-GIT builds are only"
 324         echo "supported with source archives linked from:"
 325         echo
 326         echo "  https://www.qemu.org/download/#source"
 327         echo
 328         echo "Developers working with GIT can use scripts/archive-source.sh"
 329         echo "if they need to create valid source archives."
 330         echo
 331         exit 1
 332     fi
 333 fi
 334 git="git"
 335
 336 # Don't accept a target_list environment variable.
 337 unset target_list
 338 unset target_list_exclude
 339
 340 # Default value for a variable defining feature "foo".
 341 #  * foo="no"  feature will only be used if --enable-foo arg is given
 342 #  * foo=""    feature will be searched for, and if found, will be used
 343 #              unless --disable-foo is given
 344 #  * foo="yes" this value will only be set by --enable-foo flag.
 345 #              feature will searched for,
 346 #              if not found, configure exits with error
 347 #
 348 # Always add --enable-foo and --disable-foo command line args.
 349 # Distributions want to ensure that several features are compiled in, and it
 350 # is impossible without a --enable-foo that exits if a feature is not found.
 351
 352 bluez=""
 353 brlapi=""
 354 curl=""
 355 curses=""
 356 docs=""
 357 fdt=""
 358 netmap="no"
 359 sdl=""
 360 sdl_image=""
 361 virtfs=""
 362 mpath=""
 363 vnc="yes"
 364 sparse="no"
 365 vde=""
 366 vnc_sasl=""
 367 vnc_jpeg=""
 368 vnc_png=""
 369 xkbcommon=""
 370 xen=""
 371 xen_ctrl_version=""
 372 xen_pci_passthrough=""
 373 linux_aio=""
 374 cap_ng=""
 375 attr=""
 376 libattr=""
 377 xfs=""
 378 tcg="yes"
 379 membarrier=""
 380 vhost_net=""
 381 vhost_crypto=""
 382 vhost_scsi=""
 383 vhost_vsock=""
 384 vhost_user=""
 385 vhost_user_fs=""
 386 kvm="no"
 387 hax="no"
 388 hvf="no"
 389 whpx="no"
 390 rdma=""
 391 pvrdma=""
 392 gprof="no"
 393 debug_tcg="no"
 394 debug="no"
 395 sanitizers="no"
 396 fortify_source=""
 397 strip_opt="yes"
 398 tcg_interpreter="no"
 399 bigendian="no"
 400 mingw32="no"
 401 gcov="no"
 402 gcov_tool="gcov"
 403 EXESUF=""
 404 DSOSUF=".so"
 405 LDFLAGS_SHARED="-shared"
 406 modules="no"
 407 prefix="/usr/local"
 408 mandir="\${prefix}/share/man"
 409 datadir="\${prefix}/share"
 410 firmwarepath="\${prefix}/share/qemu-firmware"
 411 qemu_docdir="\${prefix}/share/doc/qemu"
 412 bindir="\${prefix}/bin"
 413 libdir="\${prefix}/lib"
 414 libexecdir="\${prefix}/libexec"
 415 includedir="\${prefix}/include"
 416 sysconfdir="\${prefix}/etc"
 417 local_statedir="\${prefix}/var"
 418 confsuffix="/qemu"
 419 slirp=""
 420 oss_lib=""
 421 bsd="no"
 422 linux="no"
 423 solaris="no"
 424 profiler="no"
 425 cocoa="no"
 426 softmmu="yes"
 427 linux_user="no"
 428 bsd_user="no"
 429 blobs="yes"
 430 edk2_blobs="no"
 431 pkgversion=""
 432 pie=""
 433 qom_cast_debug="yes"
 434 trace_backends="log"
 435 trace_file="trace"
 436 spice=""
 437 rbd=""
 438 smartcard=""
 439 libusb=""
 440 usb_redir=""
 441 opengl=""
 442 opengl_dmabuf="no"
 443 cpuid_h="no"
 444 avx2_opt=""
 445 zlib="yes"
 446 capstone=""
 447 lzo=""
 448 snappy=""
 449 bzip2=""
 450 lzfse=""
 451 guest_agent=""
 452 guest_agent_with_vss="no"
 453 guest_agent_ntddscsi="no"
 454 guest_agent_msi=""
 455 vss_win32_sdk=""
 456 win_sdk="no"
 457 want_tools="yes"
 458 libiscsi=""
 459 libnfs=""
 460 coroutine=""
 461 coroutine_pool=""
 462 debug_stack_usage="no"
 463 crypto_afalg="no"
 464 seccomp=""
 465 glusterfs=""
 466 glusterfs_xlator_opt="no"
 467 glusterfs_discard="no"
 468 glusterfs_fallocate="no"
 469 glusterfs_zerofill="no"
 470 glusterfs_ftruncate_has_stat="no"
 471 glusterfs_iocb_has_stat="no"
 472 gtk=""
 473 gtk_gl="no"
 474 tls_priority="NORMAL"
 475 gnutls=""
 476 nettle=""
 477 nettle_xts="no"
 478 gcrypt=""
 479 gcrypt_hmac="no"
 480 gcrypt_xts="no"
 481 qemu_private_xts="yes"
 482 auth_pam=""
 483 vte=""
 484 virglrenderer=""
 485 tpm=""
 486 libssh=""
 487 live_block_migration="yes"
 488 numa=""
 489 tcmalloc="no"
 490 jemalloc="no"
 491 replication="yes"
 492 vxhs=""
 493 bochs="yes"
 494 cloop="yes"
 495 dmg="yes"
 496 qcow1="yes"
 497 vdi="yes"
 498 vvfat="yes"
 499 qed="yes"
 500 parallels="yes"
 501 sheepdog="yes"
 502 libxml2=""
 503 debug_mutex="no"
 504 libpmem=""
 505 default_devices="yes"
 506 plugins="no"
 507
 508 supported_cpu="no"
 509 supported_os="no"
 510 bogus_os="no"
 511 malloc_trim=""
 512
 513 # parse CC options first
 514 for opt do
 515   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 516   case "$opt" in
 517   --cross-prefix=*) cross_prefix="$optarg"
 518   ;;
 519   --cc=*) CC="$optarg"
 520   ;;
 521   --cxx=*) CXX="$optarg"
 522   ;;
 523   --cpu=*) cpu="$optarg"
 524   ;;
 525   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 526   ;;
 527   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 528   ;;
 529   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 530                      EXTRA_LDFLAGS="$optarg"
 531   ;;
 532   --enable-debug-info) debug_info="yes"
 533   ;;
 534   --disable-debug-info) debug_info="no"
 535   ;;
 536   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 537   ;;
 538   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 539                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 540                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 541   ;;
 542   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 543                 cc_archs="$cc_archs $cc_arch"
 544                 eval "cross_cc_${cc_arch}=\$optarg"
 545                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 546   ;;
 547   esac
 548 done
 549 # OS specific
 550 # Using uname is really, really broken.  Once we have the right set of checks
 551 # we can eliminate its usage altogether.
 552
 553 # Preferred compiler:
 554 #  ${CC} (if set)
 555 #  ${cross_prefix}gcc (if cross-prefix specified)
 556 #  system compiler
 557 if test -z "${CC}${cross_prefix}"; then
 558   cc="$host_cc"
 559 else
 560   cc="${CC-${cross_prefix}gcc}"
 561 fi
 562
 563 if test -z "${CXX}${cross_prefix}"; then
 564   cxx="c++"
 565 else
 566   cxx="${CXX-${cross_prefix}g++}"
 567 fi
 568
 569 ar="${AR-${cross_prefix}ar}"
 570 as="${AS-${cross_prefix}as}"
 571 ccas="${CCAS-$cc}"
 572 cpp="${CPP-$cc -E}"
 573 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 574 ld="${LD-${cross_prefix}ld}"
 575 ranlib="${RANLIB-${cross_prefix}ranlib}"
 576 nm="${NM-${cross_prefix}nm}"
 577 strip="${STRIP-${cross_prefix}strip}"
 578 windres="${WINDRES-${cross_prefix}windres}"
 579 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 580 query_pkg_config() {
 581     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 582 }
 583 pkg_config=query_pkg_config
 584 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 585
 586 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 587 ARFLAGS="${ARFLAGS-rv}"
 588
 589 # default flags for all hosts
 590 # We use -fwrapv to tell the compiler that we require a C dialect where
 591 # left shift of signed integers is well defined and has the expected
 592 # 2s-complement style results. (Both clang and gcc agree that it
 593 # provides these semantics.)
 594 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 595 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 596 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 597 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 598 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 599 if test "$debug_info" = "yes"; then
 600     CFLAGS="-g $CFLAGS"
 601     LDFLAGS="-g $LDFLAGS"
 602 fi
 603
 604 # running configure in the source tree?
 605 # we know that's the case if configure is there.
 606 if test -f "./configure"; then
 607     pwd_is_source_path="y"
 608 else
 609     pwd_is_source_path="n"
 610 fi
 611
 612 check_define() {
 613 cat > $TMPC <<EOF
 614 #if !defined($1)
 615 #error $1 not defined
 616 #endif
 617 int main(void) { return 0; }
 618 EOF
 619   compile_object
 620 }
 621
 622 check_include() {
 623 cat > $TMPC <<EOF
 624 #include <$1>
 625 int main(void) { return 0; }
 626 EOF
 627   compile_object
 628 }
 629
 630 write_c_skeleton() {
 631     cat > $TMPC <<EOF
 632 int main(void) { return 0; }
 633 EOF
 634 }
 635
 636 if check_define __linux__ ; then
 637   targetos="Linux"
 638 elif check_define _WIN32 ; then
 639   targetos='MINGW32'
 640 elif check_define __OpenBSD__ ; then
 641   targetos='OpenBSD'
 642 elif check_define __sun__ ; then
 643   targetos='SunOS'
 644 elif check_define __HAIKU__ ; then
 645   targetos='Haiku'
 646 elif check_define __FreeBSD__ ; then
 647   targetos='FreeBSD'
 648 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 649   targetos='GNU/kFreeBSD'
 650 elif check_define __DragonFly__ ; then
 651   targetos='DragonFly'
 652 elif check_define __NetBSD__; then
 653   targetos='NetBSD'
 654 elif check_define __APPLE__; then
 655   targetos='Darwin'
 656 else
 657   # This is a fatal error, but don't report it yet, because we
 658   # might be going to just print the --help text, or it might
 659   # be the result of a missing compiler.
 660   targetos='bogus'
 661   bogus_os='yes'
 662 fi
 663
 664 # Some host OSes need non-standard checks for which CPU to use.
 665 # Note that these checks are broken for cross-compilation: if you're
 666 # cross-compiling to one of these OSes then you'll need to specify
 667 # the correct CPU with the --cpu option.
 668 case $targetos in
 669 Darwin)
 670   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 671   # run 64-bit userspace code.
 672   # If the user didn't specify a CPU explicitly and the kernel says this is
 673   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 674   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 675     cpu="x86_64"
 676   fi
 677   ;;
 678 SunOS)
 679   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 680   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 681     cpu="x86_64"
 682   fi
 683 esac
 684
 685 if test ! -z "$cpu" ; then
 686   # command line argument
 687   :
 688 elif check_define __i386__ ; then
 689   cpu="i386"
 690 elif check_define __x86_64__ ; then
 691   if check_define __ILP32__ ; then
 692     cpu="x32"
 693   else
 694     cpu="x86_64"
 695   fi
 696 elif check_define __sparc__ ; then
 697   if check_define __arch64__ ; then
 698     cpu="sparc64"
 699   else
 700     cpu="sparc"
 701   fi
 702 elif check_define _ARCH_PPC ; then
 703   if check_define _ARCH_PPC64 ; then
 704     if check_define _LITTLE_ENDIAN ; then
 705       cpu="ppc64le"
 706     else
 707       cpu="ppc64"
 708     fi
 709   else
 710     cpu="ppc"
 711   fi
 712 elif check_define __mips__ ; then
 713   cpu="mips"
 714 elif check_define __s390__ ; then
 715   if check_define __s390x__ ; then
 716     cpu="s390x"
 717   else
 718     cpu="s390"
 719   fi
 720 elif check_define __riscv ; then
 721   if check_define _LP64 ; then
 722     cpu="riscv64"
 723   else
 724     cpu="riscv32"
 725   fi
 726 elif check_define __arm__ ; then
 727   cpu="arm"
 728 elif check_define __aarch64__ ; then
 729   cpu="aarch64"
 730 else
 731   cpu=$(uname -m)
 732 fi
 733
 734 ARCH=
 735 # Normalise host CPU name and set ARCH.
 736 # Note that this case should only have supported host CPUs, not guests.
 737 case "$cpu" in
 738   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 739     supported_cpu="yes"
 740   ;;
 741   ppc64le)
 742     ARCH="ppc64"
 743     supported_cpu="yes"
 744   ;;
 745   i386|i486|i586|i686|i86pc|BePC)
 746     cpu="i386"
 747     supported_cpu="yes"
 748   ;;
 749   x86_64|amd64)
 750     cpu="x86_64"
 751     supported_cpu="yes"
 752   ;;
 753   armv*b|armv*l|arm)
 754     cpu="arm"
 755     supported_cpu="yes"
 756   ;;
 757   aarch64)
 758     cpu="aarch64"
 759     supported_cpu="yes"
 760   ;;
 761   mips*)
 762     cpu="mips"
 763     supported_cpu="yes"
 764   ;;
 765   sparc|sun4[cdmuv])
 766     cpu="sparc"
 767     supported_cpu="yes"
 768   ;;
 769   *)
 770     # This will result in either an error or falling back to TCI later
 771     ARCH=unknown
 772   ;;
 773 esac
 774 if test -z "$ARCH"; then
 775   ARCH="$cpu"
 776 fi
 777
 778 # OS specific
 779
 780 # host *BSD for user mode
 781 HOST_VARIANT_DIR=""
 782
 783 case $targetos in
 784 MINGW32*)
 785   mingw32="yes"
 786   hax="yes"
 787   vhost_user="no"
 788   audio_possible_drivers="dsound sdl"
 789   if check_include dsound.h; then
 790     audio_drv_list="dsound"
 791   else
 792     audio_drv_list=""
 793   fi
 794   supported_os="yes"
 795 ;;
 796 GNU/kFreeBSD)
 797   bsd="yes"
 798   audio_drv_list="oss try-sdl"
 799   audio_possible_drivers="oss sdl pa"
 800 ;;
 801 FreeBSD)
 802   bsd="yes"
 803   make="${MAKE-gmake}"
 804   audio_drv_list="oss try-sdl"
 805   audio_possible_drivers="oss sdl pa"
 806   # needed for kinfo_getvmmap(3) in libutil.h
 807   LIBS="-lutil $LIBS"
 808   # needed for kinfo_getproc
 809   libs_qga="-lutil $libs_qga"
 810   netmap=""  # enable netmap autodetect
 811   HOST_VARIANT_DIR="freebsd"
 812   supported_os="yes"
 813 ;;
 814 DragonFly)
 815   bsd="yes"
 816   make="${MAKE-gmake}"
 817   audio_drv_list="oss try-sdl"
 818   audio_possible_drivers="oss sdl pa"
 819   HOST_VARIANT_DIR="dragonfly"
 820 ;;
 821 NetBSD)
 822   bsd="yes"
 823   hax="yes"
 824   make="${MAKE-gmake}"
 825   audio_drv_list="oss try-sdl"
 826   audio_possible_drivers="oss sdl"
 827   oss_lib="-lossaudio"
 828   HOST_VARIANT_DIR="netbsd"
 829   supported_os="yes"
 830 ;;
 831 OpenBSD)
 832   bsd="yes"
 833   make="${MAKE-gmake}"
 834   audio_drv_list="try-sdl"
 835   audio_possible_drivers="sdl"
 836   HOST_VARIANT_DIR="openbsd"
 837   supported_os="yes"
 838 ;;
 839 Darwin)
 840   bsd="yes"
 841   darwin="yes"
 842   hax="yes"
 843   hvf="yes"
 844   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 845   if [ "$cpu" = "x86_64" ] ; then
 846     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 847     LDFLAGS="-arch x86_64 $LDFLAGS"
 848   fi
 849   cocoa="yes"
 850   audio_drv_list="coreaudio try-sdl"
 851   audio_possible_drivers="coreaudio sdl"
 852   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 853   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 854   # Disable attempts to use ObjectiveC features in os/object.h since they
 855   # won't work when we're compiling with gcc as a C compiler.
 856   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 857   HOST_VARIANT_DIR="darwin"
 858   supported_os="yes"
 859 ;;
 860 SunOS)
 861   solaris="yes"
 862   make="${MAKE-gmake}"
 863   install="${INSTALL-ginstall}"
 864   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 865   if test -f /usr/include/sys/soundcard.h ; then
 866     audio_drv_list="oss try-sdl"
 867   fi
 868   audio_possible_drivers="oss sdl"
 869 # needed for CMSG_ macros in sys/socket.h
 870   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 871 # needed for TIOCWIN* defines in termios.h
 872   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 873   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 874   solarisnetlibs="-lsocket -lnsl -lresolv"
 875   LIBS="$solarisnetlibs $LIBS"
 876   libs_qga="$solarisnetlibs $libs_qga"
 877 ;;
 878 Haiku)
 879   haiku="yes"
 880   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 881   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 882 ;;
 883 Linux)
 884   audio_drv_list="try-pa oss"
 885   audio_possible_drivers="oss alsa sdl pa"
 886   linux="yes"
 887   linux_user="yes"
 888   kvm="yes"
 889   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 890   supported_os="yes"
 891   libudev="yes"
 892 ;;
 893 esac
 894
 895 if [ "$bsd" = "yes" ] ; then
 896   if [ "$darwin" != "yes" ] ; then
 897     bsd_user="yes"
 898   fi
 899 fi
 900
 901 : ${make=${MAKE-make}}
 902 : ${install=${INSTALL-install}}
 903 # We prefer python 3.x. A bare 'python' is traditionally
 904 # python 2.x, but some distros have it as python 3.x, so
 905 # we check that before python2
 906 python=
 907 for binary in "${PYTHON-python3}" python python2
 908 do
 909     if has "$binary"
 910     then
 911         python="$binary"
 912         break
 913     fi
 914 done
 915 : ${smbd=${SMBD-/usr/sbin/smbd}}
 916
 917 # Default objcc to clang if available, otherwise use CC
 918 if has clang; then
 919   objcc=clang
 920 else
 921   objcc="$cc"
 922 fi
 923
 924 if test "$mingw32" = "yes" ; then
 925   EXESUF=".exe"
 926   DSOSUF=".dll"
 927   # MinGW needs -mthreads for TLS and macro _MT.
 928   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 929   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 930   write_c_skeleton;
 931   if compile_prog "" "-liberty" ; then
 932     LIBS="-liberty $LIBS"
 933   fi
 934   prefix="c:/Program Files/QEMU"
 935   mandir="\${prefix}"
 936   datadir="\${prefix}"
 937   qemu_docdir="\${prefix}"
 938   bindir="\${prefix}"
 939   sysconfdir="\${prefix}"
 940   local_statedir=
 941   confsuffix=""
 942   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 943 fi
 944
 945 werror=""
 946
 947 for opt do
 948   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 949   case "$opt" in
 950   --help|-h) show_help=yes
 951   ;;
 952   --version|-V) exec cat $source_path/VERSION
 953   ;;
 954   --prefix=*) prefix="$optarg"
 955   ;;
 956   --interp-prefix=*) interp_prefix="$optarg"
 957   ;;
 958   --cross-prefix=*)
 959   ;;
 960   --cc=*)
 961   ;;
 962   --host-cc=*) host_cc="$optarg"
 963   ;;
 964   --cxx=*)
 965   ;;
 966   --iasl=*) iasl="$optarg"
 967   ;;
 968   --objcc=*) objcc="$optarg"
 969   ;;
 970   --make=*) make="$optarg"
 971   ;;
 972   --install=*) install="$optarg"
 973   ;;
 974   --python=*) python="$optarg"
 975   ;;
 976   --gcov=*) gcov_tool="$optarg"
 977   ;;
 978   --smbd=*) smbd="$optarg"
 979   ;;
 980   --extra-cflags=*)
 981   ;;
 982   --extra-cxxflags=*)
 983   ;;
 984   --extra-ldflags=*)
 985   ;;
 986   --enable-debug-info)
 987   ;;
 988   --disable-debug-info)
 989   ;;
 990   --cross-cc-*)
 991   ;;
 992   --enable-modules)
 993       modules="yes"
 994   ;;
 995   --disable-modules)
 996       modules="no"
 997   ;;
 998   --cpu=*)
 999   ;;
1000   --target-list=*) target_list="$optarg"
1001                    if test "$target_list_exclude"; then
1002                        error_exit "Can't mix --target-list with --target-list-exclude"
1003                    fi
1004   ;;
1005   --target-list-exclude=*) target_list_exclude="$optarg"
1006                    if test "$target_list"; then
1007                        error_exit "Can't mix --target-list-exclude with --target-list"
1008                    fi
1009   ;;
1010   --enable-trace-backends=*) trace_backends="$optarg"
1011   ;;
1012   # XXX: backwards compatibility
1013   --enable-trace-backend=*) trace_backends="$optarg"
1014   ;;
1015   --with-trace-file=*) trace_file="$optarg"
1016   ;;
1017   --with-default-devices) default_devices="yes"
1018   ;;
1019   --without-default-devices) default_devices="no"
1020   ;;
1021   --enable-gprof) gprof="yes"
1022   ;;
1023   --enable-gcov) gcov="yes"
1024   ;;
1025   --static)
1026     static="yes"
1027     LDFLAGS="-static $LDFLAGS"
1028     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1029   ;;
1030   --mandir=*) mandir="$optarg"
1031   ;;
1032   --bindir=*) bindir="$optarg"
1033   ;;
1034   --libdir=*) libdir="$optarg"
1035   ;;
1036   --libexecdir=*) libexecdir="$optarg"
1037   ;;
1038   --includedir=*) includedir="$optarg"
1039   ;;
1040   --datadir=*) datadir="$optarg"
1041   ;;
1042   --with-confsuffix=*) confsuffix="$optarg"
1043   ;;
1044   --docdir=*) qemu_docdir="$optarg"
1045   ;;
1046   --sysconfdir=*) sysconfdir="$optarg"
1047   ;;
1048   --localstatedir=*) local_statedir="$optarg"
1049   ;;
1050   --firmwarepath=*) firmwarepath="$optarg"
1051   ;;
1052   --host=*|--build=*|\
1053   --disable-dependency-tracking|\
1054   --sbindir=*|--sharedstatedir=*|\
1055   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1056   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1057     # These switches are silently ignored, for compatibility with
1058     # autoconf-generated configure scripts. This allows QEMU's
1059     # configure to be used by RPM and similar macros that set
1060     # lots of directory switches by default.
1061   ;;
1062   --disable-sdl) sdl="no"
1063   ;;
1064   --enable-sdl) sdl="yes"
1065   ;;
1066   --disable-sdl-image) sdl_image="no"
1067   ;;
1068   --enable-sdl-image) sdl_image="yes"
1069   ;;
1070   --disable-qom-cast-debug) qom_cast_debug="no"
1071   ;;
1072   --enable-qom-cast-debug) qom_cast_debug="yes"
1073   ;;
1074   --disable-virtfs) virtfs="no"
1075   ;;
1076   --enable-virtfs) virtfs="yes"
1077   ;;
1078   --disable-mpath) mpath="no"
1079   ;;
1080   --enable-mpath) mpath="yes"
1081   ;;
1082   --disable-vnc) vnc="no"
1083   ;;
1084   --enable-vnc) vnc="yes"
1085   ;;
1086   --oss-lib=*) oss_lib="$optarg"
1087   ;;
1088   --audio-drv-list=*) audio_drv_list="$optarg"
1089   ;;
1090   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1091   ;;
1092   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1093   ;;
1094   --enable-debug-tcg) debug_tcg="yes"
1095   ;;
1096   --disable-debug-tcg) debug_tcg="no"
1097   ;;
1098   --enable-debug)
1099       # Enable debugging options that aren't excessively noisy
1100       debug_tcg="yes"
1101       debug_mutex="yes"
1102       debug="yes"
1103       strip_opt="no"
1104       fortify_source="no"
1105   ;;
1106   --enable-sanitizers) sanitizers="yes"
1107   ;;
1108   --disable-sanitizers) sanitizers="no"
1109   ;;
1110   --enable-sparse) sparse="yes"
1111   ;;
1112   --disable-sparse) sparse="no"
1113   ;;
1114   --disable-strip) strip_opt="no"
1115   ;;
1116   --disable-vnc-sasl) vnc_sasl="no"
1117   ;;
1118   --enable-vnc-sasl) vnc_sasl="yes"
1119   ;;
1120   --disable-vnc-jpeg) vnc_jpeg="no"
1121   ;;
1122   --enable-vnc-jpeg) vnc_jpeg="yes"
1123   ;;
1124   --disable-vnc-png) vnc_png="no"
1125   ;;
1126   --enable-vnc-png) vnc_png="yes"
1127   ;;
1128   --disable-slirp) slirp="no"
1129   ;;
1130   --enable-slirp=git) slirp="git"
1131   ;;
1132   --enable-slirp=system) slirp="system"
1133   ;;
1134   --disable-vde) vde="no"
1135   ;;
1136   --enable-vde) vde="yes"
1137   ;;
1138   --disable-netmap) netmap="no"
1139   ;;
1140   --enable-netmap) netmap="yes"
1141   ;;
1142   --disable-xen) xen="no"
1143   ;;
1144   --enable-xen) xen="yes"
1145   ;;
1146   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1147   ;;
1148   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1149   ;;
1150   --disable-brlapi) brlapi="no"
1151   ;;
1152   --enable-brlapi) brlapi="yes"
1153   ;;
1154   --disable-bluez) bluez="no"
1155   ;;
1156   --enable-bluez) bluez="yes"
1157   ;;
1158   --disable-kvm) kvm="no"
1159   ;;
1160   --enable-kvm) kvm="yes"
1161   ;;
1162   --disable-hax) hax="no"
1163   ;;
1164   --enable-hax) hax="yes"
1165   ;;
1166   --disable-hvf) hvf="no"
1167   ;;
1168   --enable-hvf) hvf="yes"
1169   ;;
1170   --disable-whpx) whpx="no"
1171   ;;
1172   --enable-whpx) whpx="yes"
1173   ;;
1174   --disable-tcg-interpreter) tcg_interpreter="no"
1175   ;;
1176   --enable-tcg-interpreter) tcg_interpreter="yes"
1177   ;;
1178   --disable-cap-ng)  cap_ng="no"
1179   ;;
1180   --enable-cap-ng) cap_ng="yes"
1181   ;;
1182   --disable-tcg) tcg="no"
1183   ;;
1184   --enable-tcg) tcg="yes"
1185   ;;
1186   --disable-malloc-trim) malloc_trim="no"
1187   ;;
1188   --enable-malloc-trim) malloc_trim="yes"
1189   ;;
1190   --disable-spice) spice="no"
1191   ;;
1192   --enable-spice) spice="yes"
1193   ;;
1194   --disable-libiscsi) libiscsi="no"
1195   ;;
1196   --enable-libiscsi) libiscsi="yes"
1197   ;;
1198   --disable-libnfs) libnfs="no"
1199   ;;
1200   --enable-libnfs) libnfs="yes"
1201   ;;
1202   --enable-profiler) profiler="yes"
1203   ;;
1204   --disable-cocoa) cocoa="no"
1205   ;;
1206   --enable-cocoa)
1207       cocoa="yes" ;
1208       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1209   ;;
1210   --disable-system) softmmu="no"
1211   ;;
1212   --enable-system) softmmu="yes"
1213   ;;
1214   --disable-user)
1215       linux_user="no" ;
1216       bsd_user="no" ;
1217   ;;
1218   --enable-user) ;;
1219   --disable-linux-user) linux_user="no"
1220   ;;
1221   --enable-linux-user) linux_user="yes"
1222   ;;
1223   --disable-bsd-user) bsd_user="no"
1224   ;;
1225   --enable-bsd-user) bsd_user="yes"
1226   ;;
1227   --enable-pie) pie="yes"
1228   ;;
1229   --disable-pie) pie="no"
1230   ;;
1231   --enable-werror) werror="yes"
1232   ;;
1233   --disable-werror) werror="no"
1234   ;;
1235   --enable-stack-protector) stack_protector="yes"
1236   ;;
1237   --disable-stack-protector) stack_protector="no"
1238   ;;
1239   --disable-curses) curses="no"
1240   ;;
1241   --enable-curses) curses="yes"
1242   ;;
1243   --disable-iconv) iconv="no"
1244   ;;
1245   --enable-iconv) iconv="yes"
1246   ;;
1247   --disable-curl) curl="no"
1248   ;;
1249   --enable-curl) curl="yes"
1250   ;;
1251   --disable-fdt) fdt="no"
1252   ;;
1253   --enable-fdt) fdt="yes"
1254   ;;
1255   --disable-linux-aio) linux_aio="no"
1256   ;;
1257   --enable-linux-aio) linux_aio="yes"
1258   ;;
1259   --disable-attr) attr="no"
1260   ;;
1261   --enable-attr) attr="yes"
1262   ;;
1263   --disable-membarrier) membarrier="no"
1264   ;;
1265   --enable-membarrier) membarrier="yes"
1266   ;;
1267   --disable-blobs) blobs="no"
1268   ;;
1269   --with-pkgversion=*) pkgversion="$optarg"
1270   ;;
1271   --with-coroutine=*) coroutine="$optarg"
1272   ;;
1273   --disable-coroutine-pool) coroutine_pool="no"
1274   ;;
1275   --enable-coroutine-pool) coroutine_pool="yes"
1276   ;;
1277   --enable-debug-stack-usage) debug_stack_usage="yes"
1278   ;;
1279   --enable-crypto-afalg) crypto_afalg="yes"
1280   ;;
1281   --disable-crypto-afalg) crypto_afalg="no"
1282   ;;
1283   --disable-docs) docs="no"
1284   ;;
1285   --enable-docs) docs="yes"
1286   ;;
1287   --disable-vhost-net) vhost_net="no"
1288   ;;
1289   --enable-vhost-net) vhost_net="yes"
1290   ;;
1291   --disable-vhost-crypto) vhost_crypto="no"
1292   ;;
1293   --enable-vhost-crypto) vhost_crypto="yes"
1294   ;;
1295   --disable-vhost-scsi) vhost_scsi="no"
1296   ;;
1297   --enable-vhost-scsi) vhost_scsi="yes"
1298   ;;
1299   --disable-vhost-vsock) vhost_vsock="no"
1300   ;;
1301   --enable-vhost-vsock) vhost_vsock="yes"
1302   ;;
1303   --disable-vhost-user-fs) vhost_user_fs="no"
1304   ;;
1305   --enable-vhost-user-fs) vhost_user_fs="yes"
1306   ;;
1307   --disable-opengl) opengl="no"
1308   ;;
1309   --enable-opengl) opengl="yes"
1310   ;;
1311   --disable-rbd) rbd="no"
1312   ;;
1313   --enable-rbd) rbd="yes"
1314   ;;
1315   --disable-xfsctl) xfs="no"
1316   ;;
1317   --enable-xfsctl) xfs="yes"
1318   ;;
1319   --disable-smartcard) smartcard="no"
1320   ;;
1321   --enable-smartcard) smartcard="yes"
1322   ;;
1323   --disable-libusb) libusb="no"
1324   ;;
1325   --enable-libusb) libusb="yes"
1326   ;;
1327   --disable-usb-redir) usb_redir="no"
1328   ;;
1329   --enable-usb-redir) usb_redir="yes"
1330   ;;
1331   --disable-zlib-test) zlib="no"
1332   ;;
1333   --disable-lzo) lzo="no"
1334   ;;
1335   --enable-lzo) lzo="yes"
1336   ;;
1337   --disable-snappy) snappy="no"
1338   ;;
1339   --enable-snappy) snappy="yes"
1340   ;;
1341   --disable-bzip2) bzip2="no"
1342   ;;
1343   --enable-bzip2) bzip2="yes"
1344   ;;
1345   --enable-lzfse) lzfse="yes"
1346   ;;
1347   --disable-lzfse) lzfse="no"
1348   ;;
1349   --enable-guest-agent) guest_agent="yes"
1350   ;;
1351   --disable-guest-agent) guest_agent="no"
1352   ;;
1353   --enable-guest-agent-msi) guest_agent_msi="yes"
1354   ;;
1355   --disable-guest-agent-msi) guest_agent_msi="no"
1356   ;;
1357   --with-vss-sdk) vss_win32_sdk=""
1358   ;;
1359   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1360   ;;
1361   --without-vss-sdk) vss_win32_sdk="no"
1362   ;;
1363   --with-win-sdk) win_sdk=""
1364   ;;
1365   --with-win-sdk=*) win_sdk="$optarg"
1366   ;;
1367   --without-win-sdk) win_sdk="no"
1368   ;;
1369   --enable-tools) want_tools="yes"
1370   ;;
1371   --disable-tools) want_tools="no"
1372   ;;
1373   --enable-seccomp) seccomp="yes"
1374   ;;
1375   --disable-seccomp) seccomp="no"
1376   ;;
1377   --disable-glusterfs) glusterfs="no"
1378   ;;
1379   --disable-avx2) avx2_opt="no"
1380   ;;
1381   --enable-avx2) avx2_opt="yes"
1382   ;;
1383   --enable-glusterfs) glusterfs="yes"
1384   ;;
1385   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1386       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1387   ;;
1388   --enable-vhdx|--disable-vhdx)
1389       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1390   ;;
1391   --enable-uuid|--disable-uuid)
1392       echo "$0: $opt is obsolete, UUID support is always built" >&2
1393   ;;
1394   --disable-gtk) gtk="no"
1395   ;;
1396   --enable-gtk) gtk="yes"
1397   ;;
1398   --tls-priority=*) tls_priority="$optarg"
1399   ;;
1400   --disable-gnutls) gnutls="no"
1401   ;;
1402   --enable-gnutls) gnutls="yes"
1403   ;;
1404   --disable-nettle) nettle="no"
1405   ;;
1406   --enable-nettle) nettle="yes"
1407   ;;
1408   --disable-gcrypt) gcrypt="no"
1409   ;;
1410   --enable-gcrypt) gcrypt="yes"
1411   ;;
1412   --disable-auth-pam) auth_pam="no"
1413   ;;
1414   --enable-auth-pam) auth_pam="yes"
1415   ;;
1416   --enable-rdma) rdma="yes"
1417   ;;
1418   --disable-rdma) rdma="no"
1419   ;;
1420   --enable-pvrdma) pvrdma="yes"
1421   ;;
1422   --disable-pvrdma) pvrdma="no"
1423   ;;
1424   --disable-vte) vte="no"
1425   ;;
1426   --enable-vte) vte="yes"
1427   ;;
1428   --disable-virglrenderer) virglrenderer="no"
1429   ;;
1430   --enable-virglrenderer) virglrenderer="yes"
1431   ;;
1432   --disable-tpm) tpm="no"
1433   ;;
1434   --enable-tpm) tpm="yes"
1435   ;;
1436   --disable-libssh) libssh="no"
1437   ;;
1438   --enable-libssh) libssh="yes"
1439   ;;
1440   --disable-live-block-migration) live_block_migration="no"
1441   ;;
1442   --enable-live-block-migration) live_block_migration="yes"
1443   ;;
1444   --disable-numa) numa="no"
1445   ;;
1446   --enable-numa) numa="yes"
1447   ;;
1448   --disable-libxml2) libxml2="no"
1449   ;;
1450   --enable-libxml2) libxml2="yes"
1451   ;;
1452   --disable-tcmalloc) tcmalloc="no"
1453   ;;
1454   --enable-tcmalloc) tcmalloc="yes"
1455   ;;
1456   --disable-jemalloc) jemalloc="no"
1457   ;;
1458   --enable-jemalloc) jemalloc="yes"
1459   ;;
1460   --disable-replication) replication="no"
1461   ;;
1462   --enable-replication) replication="yes"
1463   ;;
1464   --disable-vxhs) vxhs="no"
1465   ;;
1466   --enable-vxhs) vxhs="yes"
1467   ;;
1468   --disable-bochs) bochs="no"
1469   ;;
1470   --enable-bochs) bochs="yes"
1471   ;;
1472   --disable-cloop) cloop="no"
1473   ;;
1474   --enable-cloop) cloop="yes"
1475   ;;
1476   --disable-dmg) dmg="no"
1477   ;;
1478   --enable-dmg) dmg="yes"
1479   ;;
1480   --disable-qcow1) qcow1="no"
1481   ;;
1482   --enable-qcow1) qcow1="yes"
1483   ;;
1484   --disable-vdi) vdi="no"
1485   ;;
1486   --enable-vdi) vdi="yes"
1487   ;;
1488   --disable-vvfat) vvfat="no"
1489   ;;
1490   --enable-vvfat) vvfat="yes"
1491   ;;
1492   --disable-qed) qed="no"
1493   ;;
1494   --enable-qed) qed="yes"
1495   ;;
1496   --disable-parallels) parallels="no"
1497   ;;
1498   --enable-parallels) parallels="yes"
1499   ;;
1500   --disable-sheepdog) sheepdog="no"
1501   ;;
1502   --enable-sheepdog) sheepdog="yes"
1503   ;;
1504   --disable-vhost-user) vhost_user="no"
1505   ;;
1506   --enable-vhost-user) vhost_user="yes"
1507   ;;
1508   --disable-vhost-kernel) vhost_kernel="no"
1509   ;;
1510   --enable-vhost-kernel) vhost_kernel="yes"
1511   ;;
1512   --disable-capstone) capstone="no"
1513   ;;
1514   --enable-capstone) capstone="yes"
1515   ;;
1516   --enable-capstone=git) capstone="git"
1517   ;;
1518   --enable-capstone=system) capstone="system"
1519   ;;
1520   --with-git=*) git="$optarg"
1521   ;;
1522   --enable-git-update) git_update=yes
1523   ;;
1524   --disable-git-update) git_update=no
1525   ;;
1526   --enable-debug-mutex) debug_mutex=yes
1527   ;;
1528   --disable-debug-mutex) debug_mutex=no
1529   ;;
1530   --enable-libpmem) libpmem=yes
1531   ;;
1532   --disable-libpmem) libpmem=no
1533   ;;
1534   --enable-xkbcommon) xkbcommon=yes
1535   ;;
1536   --disable-xkbcommon) xkbcommon=no
1537   ;;
1538   --enable-plugins) plugins="yes"
1539   ;;
1540   --disable-plugins) plugins="no"
1541   ;;
1542   *)
1543       echo "ERROR: unknown option $opt"
1544       echo "Try '$0 --help' for more information"
1545       exit 1
1546   ;;
1547   esac
1548 done
1549
1550 case "$cpu" in
1551     ppc)
1552            CPU_CFLAGS="-m32"
1553            LDFLAGS="-m32 $LDFLAGS"
1554            ;;
1555     ppc64)
1556            CPU_CFLAGS="-m64"
1557            LDFLAGS="-m64 $LDFLAGS"
1558            ;;
1559     sparc)
1560            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1561            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1562            ;;
1563     sparc64)
1564            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1565            LDFLAGS="-m64 $LDFLAGS"
1566            ;;
1567     s390)
1568            CPU_CFLAGS="-m31"
1569            LDFLAGS="-m31 $LDFLAGS"
1570            ;;
1571     s390x)
1572            CPU_CFLAGS="-m64"
1573            LDFLAGS="-m64 $LDFLAGS"
1574            ;;
1575     i386)
1576            CPU_CFLAGS="-m32"
1577            LDFLAGS="-m32 $LDFLAGS"
1578            ;;
1579     x86_64)
1580            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1581            # If we truly care, we should simply detect this case at
1582            # runtime and generate the fallback to serial emulation.
1583            CPU_CFLAGS="-m64 -mcx16"
1584            LDFLAGS="-m64 $LDFLAGS"
1585            ;;
1586     x32)
1587            CPU_CFLAGS="-mx32"
1588            LDFLAGS="-mx32 $LDFLAGS"
1589            ;;
1590     # No special flags required for other host CPUs
1591 esac
1592
1593 eval "cross_cc_${cpu}=\$host_cc"
1594 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1595 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1596
1597 # For user-mode emulation the host arch has to be one we explicitly
1598 # support, even if we're using TCI.
1599 if [ "$ARCH" = "unknown" ]; then
1600   bsd_user="no"
1601   linux_user="no"
1602 fi
1603
1604 default_target_list=""
1605
1606 mak_wilds=""
1607
1608 if [ "$softmmu" = "yes" ]; then
1609     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1610 fi
1611 if [ "$linux_user" = "yes" ]; then
1612     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1613 fi
1614 if [ "$bsd_user" = "yes" ]; then
1615     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1616 fi
1617
1618 if test -z "$target_list_exclude"; then
1619     for config in $mak_wilds; do
1620         default_target_list="${default_target_list} $(basename "$config" .mak)"
1621     done
1622 else
1623     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1624     for config in $mak_wilds; do
1625         target="$(basename "$config" .mak)"
1626         exclude="no"
1627         for excl in $exclude_list; do
1628             if test "$excl" = "$target"; then
1629                 exclude="yes"
1630                 break;
1631             fi
1632         done
1633         if test "$exclude" = "no"; then
1634             default_target_list="${default_target_list} $target"
1635         fi
1636     done
1637 fi
1638
1639 # Enumerate public trace backends for --help output
1640 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1641
1642 if test x"$show_help" = x"yes" ; then
1643 cat << EOF
1644
1645 Usage: configure [options]
1646 Options: [defaults in brackets after descriptions]
1647
1648 Standard options:
1649   --help                   print this message
1650   --prefix=PREFIX          install in PREFIX [$prefix]
1651   --interp-prefix=PREFIX   where to find shared libraries, etc.
1652                            use %M for cpu name [$interp_prefix]
1653   --target-list=LIST       set target list (default: build everything)
1654 $(echo Available targets: $default_target_list | \
1655   fold -s -w 53 | sed -e 's/^/                           /')
1656   --target-list-exclude=LIST exclude a set of targets from the default target-list
1657
1658 Advanced options (experts only):
1659   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1660   --cc=CC                  use C compiler CC [$cc]
1661   --iasl=IASL              use ACPI compiler IASL [$iasl]
1662   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1663                            build time
1664   --cxx=CXX                use C++ compiler CXX [$cxx]
1665   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1666   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1667   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1668   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1669   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1670   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1671   --make=MAKE              use specified make [$make]
1672   --install=INSTALL        use specified install [$install]
1673   --python=PYTHON          use specified python [$python]
1674   --smbd=SMBD              use specified smbd [$smbd]
1675   --with-git=GIT           use specified git [$git]
1676   --static                 enable static build [$static]
1677   --mandir=PATH            install man pages in PATH
1678   --datadir=PATH           install firmware in PATH$confsuffix
1679   --docdir=PATH            install documentation in PATH$confsuffix
1680   --bindir=PATH            install binaries in PATH
1681   --libdir=PATH            install libraries in PATH
1682   --libexecdir=PATH        install helper binaries in PATH
1683   --sysconfdir=PATH        install config in PATH$confsuffix
1684   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1685   --firmwarepath=PATH      search PATH for firmware files
1686   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1687   --with-pkgversion=VERS   use specified string as sub-version of the package
1688   --enable-debug           enable common debug build options
1689   --enable-sanitizers      enable default sanitizers
1690   --disable-strip          disable stripping binaries
1691   --disable-werror         disable compilation abort on warning
1692   --disable-stack-protector disable compiler-provided stack protection
1693   --audio-drv-list=LIST    set audio drivers list:
1694                            Available drivers: $audio_possible_drivers
1695   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1696   --block-drv-rw-whitelist=L
1697                            set block driver read-write whitelist
1698                            (affects only QEMU, not qemu-img)
1699   --block-drv-ro-whitelist=L
1700                            set block driver read-only whitelist
1701                            (affects only QEMU, not qemu-img)
1702   --enable-trace-backends=B Set trace backend
1703                            Available backends: $trace_backend_list
1704   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1705                            Default:trace-<pid>
1706   --disable-slirp          disable SLIRP userspace network connectivity
1707   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1708   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1709   --oss-lib                path to OSS library
1710   --cpu=CPU                Build for host CPU [$cpu]
1711   --with-coroutine=BACKEND coroutine backend. Supported options:
1712                            ucontext, sigaltstack, windows
1713   --enable-gcov            enable test coverage analysis with gcov
1714   --gcov=GCOV              use specified gcov [$gcov_tool]
1715   --disable-blobs          disable installing provided firmware blobs
1716   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1717   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1718   --tls-priority           default TLS protocol/cipher priority string
1719   --enable-gprof           QEMU profiling with gprof
1720   --enable-profiler        profiler support
1721   --enable-debug-stack-usage
1722                            track the maximum stack usage of stacks created by qemu_alloc_stack
1723   --enable-plugins
1724                            enable plugins via shared library loading
1725
1726 Optional features, enabled with --enable-FEATURE and
1727 disabled with --disable-FEATURE, default is enabled if available:
1728
1729   system          all system emulation targets
1730   user            supported user emulation targets
1731   linux-user      all linux usermode emulation targets
1732   bsd-user        all BSD usermode emulation targets
1733   docs            build documentation
1734   guest-agent     build the QEMU Guest Agent
1735   guest-agent-msi build guest agent Windows MSI installation package
1736   pie             Position Independent Executables
1737   modules         modules support (non-Windows)
1738   debug-tcg       TCG debugging (default is disabled)
1739   debug-info      debugging information
1740   sparse          sparse checker
1741
1742   gnutls          GNUTLS cryptography support
1743   nettle          nettle cryptography support
1744   gcrypt          libgcrypt cryptography support
1745   auth-pam        PAM access control
1746   sdl             SDL UI
1747   sdl-image       SDL Image support for icons
1748   gtk             gtk UI
1749   vte             vte support for the gtk UI
1750   curses          curses UI
1751   iconv           font glyph conversion support
1752   vnc             VNC UI support
1753   vnc-sasl        SASL encryption for VNC server
1754   vnc-jpeg        JPEG lossy compression for VNC server
1755   vnc-png         PNG compression for VNC server
1756   cocoa           Cocoa UI (Mac OS X only)
1757   virtfs          VirtFS
1758   mpath           Multipath persistent reservation passthrough
1759   xen             xen backend driver support
1760   xen-pci-passthrough    PCI passthrough support for Xen
1761   brlapi          BrlAPI (Braile)
1762   curl            curl connectivity
1763   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1764   fdt             fdt device tree
1765   bluez           bluez stack connectivity
1766   kvm             KVM acceleration support
1767   hax             HAX acceleration support
1768   hvf             Hypervisor.framework acceleration support
1769   whpx            Windows Hypervisor Platform acceleration support
1770   rdma            Enable RDMA-based migration
1771   pvrdma          Enable PVRDMA support
1772   vde             support for vde network
1773   netmap          support for netmap network
1774   linux-aio       Linux AIO support
1775   cap-ng          libcap-ng support
1776   attr            attr and xattr support
1777   vhost-net       vhost-net kernel acceleration support
1778   vhost-vsock     virtio sockets device support
1779   vhost-scsi      vhost-scsi kernel target support
1780   vhost-crypto    vhost-user-crypto backend support
1781   vhost-kernel    vhost kernel backend support
1782   vhost-user      vhost-user backend support
1783   spice           spice
1784   rbd             rados block device (rbd)
1785   libiscsi        iscsi support
1786   libnfs          nfs support
1787   smartcard       smartcard support (libcacard)
1788   libusb          libusb (for usb passthrough)
1789   live-block-migration   Block migration in the main migration stream
1790   usb-redir       usb network redirection support
1791   lzo             support of lzo compression library
1792   snappy          support of snappy compression library
1793   bzip2           support of bzip2 compression library
1794                   (for reading bzip2-compressed dmg images)
1795   lzfse           support of lzfse compression library
1796                   (for reading lzfse-compressed dmg images)
1797   seccomp         seccomp support
1798   coroutine-pool  coroutine freelist (better performance)
1799   glusterfs       GlusterFS backend
1800   tpm             TPM support
1801   libssh          ssh block device support
1802   numa            libnuma support
1803   libxml2         for Parallels image format
1804   tcmalloc        tcmalloc support
1805   jemalloc        jemalloc support
1806   avx2            AVX2 optimization support
1807   replication     replication support
1808   opengl          opengl support
1809   virglrenderer   virgl rendering support
1810   xfsctl          xfsctl support
1811   qom-cast-debug  cast debugging support
1812   tools           build qemu-io, qemu-nbd and qemu-img tools
1813   vxhs            Veritas HyperScale vDisk backend support
1814   bochs           bochs image format support
1815   cloop           cloop image format support
1816   dmg             dmg image format support
1817   qcow1           qcow v1 image format support
1818   vdi             vdi image format support
1819   vvfat           vvfat image format support
1820   qed             qed image format support
1821   parallels       parallels image format support
1822   sheepdog        sheepdog block driver support
1823   crypto-afalg    Linux AF_ALG crypto backend driver
1824   capstone        capstone disassembler support
1825   debug-mutex     mutex debugging support
1826   libpmem         libpmem support
1827   xkbcommon       xkbcommon support
1828
1829 NOTE: The object files are built at the place where configure is launched
1830 EOF
1831 exit 0
1832 fi
1833
1834 # Remove old dependency files to make sure that they get properly regenerated
1835 rm -f */config-devices.mak.d
1836
1837 if test -z "$python"
1838 then
1839     error_exit "Python not found. Use --python=/path/to/python"
1840 fi
1841
1842 # Note that if the Python conditional here evaluates True we will exit
1843 # with status 1 which is a shell 'false' value.
1844 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1845   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1846       "Use --python=/path/to/python to specify a supported Python."
1847 fi
1848
1849 # Preserve python version since some functionality is dependent on it
1850 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1851
1852 # Suppress writing compiled files
1853 python="$python -B"
1854
1855 # Check that the C compiler works. Doing this here before testing
1856 # the host CPU ensures that we had a valid CC to autodetect the
1857 # $cpu var (and we should bail right here if that's not the case).
1858 # It also allows the help message to be printed without a CC.
1859 write_c_skeleton;
1860 if compile_object ; then
1861   : C compiler works ok
1862 else
1863     error_exit "\"$cc\" either does not exist or does not work"
1864 fi
1865 if ! compile_prog ; then
1866     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1867 fi
1868
1869 # Now we have handled --enable-tcg-interpreter and know we're not just
1870 # printing the help message, bail out if the host CPU isn't supported.
1871 if test "$ARCH" = "unknown"; then
1872     if test "$tcg_interpreter" = "yes" ; then
1873         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1874     else
1875         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1876     fi
1877 fi
1878
1879 # Consult white-list to determine whether to enable werror
1880 # by default.  Only enable by default for git builds
1881 if test -z "$werror" ; then
1882     if test -e "$source_path/.git" && \
1883         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1884         werror="yes"
1885     else
1886         werror="no"
1887     fi
1888 fi
1889
1890 if test "$bogus_os" = "yes"; then
1891     # Now that we know that we're not printing the help and that
1892     # the compiler works (so the results of the check_defines we used
1893     # to identify the OS are reliable), if we didn't recognize the
1894     # host OS we should stop now.
1895     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1896 fi
1897
1898 # Check whether the compiler matches our minimum requirements:
1899 cat > $TMPC << EOF
1900 #if defined(__clang_major__) && defined(__clang_minor__)
1901 # ifdef __apple_build_version__
1902 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1903 #   error You need at least XCode Clang v5.1 to compile QEMU
1904 #  endif
1905 # else
1906 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1907 #   error You need at least Clang v3.4 to compile QEMU
1908 #  endif
1909 # endif
1910 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1911 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1912 #  error You need at least GCC v4.8 to compile QEMU
1913 # endif
1914 #else
1915 # error You either need GCC or Clang to compiler QEMU
1916 #endif
1917 int main (void) { return 0; }
1918 EOF
1919 if ! compile_prog "" "" ; then
1920     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1921 fi
1922
1923 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1924 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1925 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1926 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1927 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1928 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1929 # Note that we do not add -Werror to gcc_flags here, because that would
1930 # enable it for all configure tests. If a configure test failed due
1931 # to -Werror this would just silently disable some features,
1932 # so it's too error prone.
1933
1934 cc_has_warning_flag() {
1935     write_c_skeleton;
1936
1937     # Use the positive sense of the flag when testing for -Wno-wombat
1938     # support (gcc will happily accept the -Wno- form of unknown
1939     # warning options).
1940     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1941     compile_prog "-Werror $optflag" ""
1942 }
1943
1944 for flag in $gcc_flags; do
1945     if cc_has_warning_flag $flag ; then
1946         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1947     fi
1948 done
1949
1950 if test "$stack_protector" != "no"; then
1951   cat > $TMPC << EOF
1952 int main(int argc, char *argv[])
1953 {
1954     char arr[64], *p = arr, *c = argv[0];
1955     while (*c) {
1956         *p++ = *c++;
1957     }
1958     return 0;
1959 }
1960 EOF
1961   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1962   sp_on=0
1963   for flag in $gcc_flags; do
1964     # We need to check both a compile and a link, since some compiler
1965     # setups fail only on a .c->.o compile and some only at link time
1966     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1967        compile_prog "-Werror $flag" ""; then
1968       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1969       sp_on=1
1970       break
1971     fi
1972   done
1973   if test "$stack_protector" = yes; then
1974     if test $sp_on = 0; then
1975       error_exit "Stack protector not supported"
1976     fi
1977   fi
1978 fi
1979
1980 # Disable -Wmissing-braces on older compilers that warn even for
1981 # the "universal" C zero initializer {0}.
1982 cat > $TMPC << EOF
1983 struct {
1984   int a[2];
1985 } x = {0};
1986 EOF
1987 if compile_object "-Werror" "" ; then
1988   :
1989 else
1990   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1991 fi
1992
1993 # Our module code doesn't support Windows
1994 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1995   error_exit "Modules are not available for Windows"
1996 fi
1997
1998 # Static linking is not possible with modules or PIE
1999 if test "$static" = "yes" ; then
2000   if test "$modules" = "yes" ; then
2001     error_exit "static and modules are mutually incompatible"
2002   fi
2003   if test "$pie" = "yes" ; then
2004     error_exit "static and pie are mutually incompatible"
2005   else
2006     pie="no"
2007   fi
2008 fi
2009
2010 # Unconditional check for compiler __thread support
2011   cat > $TMPC << EOF
2012 static __thread int tls_var;
2013 int main(void) { return tls_var; }
2014 EOF
2015
2016 if ! compile_prog "-Werror" "" ; then
2017     error_exit "Your compiler does not support the __thread specifier for " \
2018         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2019 fi
2020
2021 if test "$pie" = ""; then
2022   case "$cpu-$targetos" in
2023     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2024       ;;
2025     *)
2026       pie="no"
2027       ;;
2028   esac
2029 fi
2030
2031 if test "$pie" != "no" ; then
2032   cat > $TMPC << EOF
2033
2034 #ifdef __linux__
2035 #  define THREAD __thread
2036 #else
2037 #  define THREAD
2038 #endif
2039
2040 static THREAD int tls_var;
2041
2042 int main(void) { return tls_var; }
2043
2044 EOF
2045   # check we support --no-pie first...
2046   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2047     CFLAGS_NOPIE="-fno-pie"
2048     LDFLAGS_NOPIE="-nopie"
2049   fi
2050
2051   if compile_prog "-fPIE -DPIE" "-pie"; then
2052     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2053     LDFLAGS="-pie $LDFLAGS"
2054     pie="yes"
2055     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2056       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2057     fi
2058   else
2059     if test "$pie" = "yes"; then
2060       error_exit "PIE not available due to missing toolchain support"
2061     else
2062       echo "Disabling PIE due to missing toolchain support"
2063       pie="no"
2064     fi
2065   fi
2066 fi
2067
2068 ##########################################
2069 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2070 # use i686 as default anyway, but for those that don't, an explicit
2071 # specification is necessary
2072
2073 if test "$cpu" = "i386"; then
2074   cat > $TMPC << EOF
2075 static int sfaa(int *ptr)
2076 {
2077   return __sync_fetch_and_and(ptr, 0);
2078 }
2079
2080 int main(void)
2081 {
2082   int val = 42;
2083   val = __sync_val_compare_and_swap(&val, 0, 1);
2084   sfaa(&val);
2085   return val;
2086 }
2087 EOF
2088   if ! compile_prog "" "" ; then
2089     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2090   fi
2091 fi
2092
2093 #########################################
2094 # Solaris specific configure tool chain decisions
2095
2096 if test "$solaris" = "yes" ; then
2097   if has $install; then
2098     :
2099   else
2100     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2101         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2102         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2103   fi
2104   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2105     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2106         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2107         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2108   fi
2109   if has ar; then
2110     :
2111   else
2112     if test -f /usr/ccs/bin/ar ; then
2113       error_exit "No path includes ar" \
2114           "Add /usr/ccs/bin to your path and rerun configure"
2115     fi
2116     error_exit "No path includes ar"
2117   fi
2118 fi
2119
2120 if test -z "${target_list+xxx}" ; then
2121     for target in $default_target_list; do
2122         supported_target $target 2>/dev/null && \
2123             target_list="$target_list $target"
2124     done
2125     target_list="${target_list# }"
2126 else
2127     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2128     for target in $target_list; do
2129         # Check that we recognised the target name; this allows a more
2130         # friendly error message than if we let it fall through.
2131         case " $default_target_list " in
2132             *" $target "*)
2133                 ;;
2134             *)
2135                 error_exit "Unknown target name '$target'"
2136                 ;;
2137         esac
2138         supported_target $target || exit 1
2139     done
2140 fi
2141
2142 # see if system emulation was really requested
2143 case " $target_list " in
2144   *"-softmmu "*) softmmu=yes
2145   ;;
2146   *) softmmu=no
2147   ;;
2148 esac
2149
2150 for target in $target_list; do
2151   case "$target" in
2152     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2153       edk2_blobs="yes"
2154       ;;
2155   esac
2156 done
2157 # The EDK2 binaries are compressed with bzip2
2158 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2159   error_exit "The bzip2 program is required for building QEMU"
2160 fi
2161
2162 feature_not_found() {
2163   feature=$1
2164   remedy=$2
2165
2166   error_exit "User requested feature $feature" \
2167       "configure was not able to find it." \
2168       "$remedy"
2169 }
2170
2171 # ---
2172 # big/little endian test
2173 cat > $TMPC << EOF
2174 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2175 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2176 extern int foo(short *, short *);
2177 int main(int argc, char *argv[]) {
2178     return foo(big_endian, little_endian);
2179 }
2180 EOF
2181
2182 if compile_object ; then
2183     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2184         bigendian="yes"
2185     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2186         bigendian="no"
2187     else
2188         echo big/little test failed
2189     fi
2190 else
2191     echo big/little test failed
2192 fi
2193
2194 ##########################################
2195 # cocoa implies not SDL or GTK
2196 # (the cocoa UI code currently assumes it is always the active UI
2197 # and doesn't interact well with other UI frontend code)
2198 if test "$cocoa" = "yes"; then
2199     if test "$sdl" = "yes"; then
2200         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2201     fi
2202     if test "$gtk" = "yes"; then
2203         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2204     fi
2205     gtk=no
2206     sdl=no
2207 fi
2208
2209 # Some versions of Mac OS X incorrectly define SIZE_MAX
2210 cat > $TMPC << EOF
2211 #include <stdint.h>
2212 #include <stdio.h>
2213 int main(int argc, char *argv[]) {
2214     return printf("%zu", SIZE_MAX);
2215 }
2216 EOF
2217 have_broken_size_max=no
2218 if ! compile_object -Werror ; then
2219     have_broken_size_max=yes
2220 fi
2221
2222 ##########################################
2223 # L2TPV3 probe
2224
2225 cat > $TMPC <<EOF
2226 #include <sys/socket.h>
2227 #include <linux/ip.h>
2228 int main(void) { return sizeof(struct mmsghdr); }
2229 EOF
2230 if compile_prog "" "" ; then
2231   l2tpv3=yes
2232 else
2233   l2tpv3=no
2234 fi
2235
2236 #########################################
2237 # vhost interdependencies and host support
2238
2239 # vhost backends
2240 test "$vhost_user" = "" && vhost_user=yes
2241 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2242   error_exit "vhost-user isn't available on win32"
2243 fi
2244 test "$vhost_kernel" = "" && vhost_kernel=$linux
2245 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2246   error_exit "vhost-kernel is only available on Linux"
2247 fi
2248
2249 # vhost-kernel devices
2250 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2251 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2252   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2253 fi
2254 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2255 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2256   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2257 fi
2258
2259 # vhost-user backends
2260 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2261 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2262   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2263 fi
2264 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2265 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2266   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2267 fi
2268 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2269 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2270   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2271 fi
2272
2273 # OR the vhost-kernel and vhost-user values for simplicity
2274 if test "$vhost_net" = ""; then
2275   test "$vhost_net_user" = "yes" && vhost_net=yes
2276   test "$vhost_kernel" = "yes" && vhost_net=yes
2277 fi
2278
2279 ##########################################
2280 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2281
2282 if test "$mingw32" = "yes"; then
2283     # Some versions of MinGW / Mingw-w64 lack localtime_r
2284     # and gmtime_r entirely.
2285     #
2286     # Some versions of Mingw-w64 define a macro for
2287     # localtime_r/gmtime_r.
2288     #
2289     # Some versions of Mingw-w64 will define functions
2290     # for localtime_r/gmtime_r, but only if you have
2291     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2292     # though, unistd.h and pthread.h both define
2293     # that for you.
2294     #
2295     # So this #undef localtime_r and #include <unistd.h>
2296     # are not in fact redundant.
2297 cat > $TMPC << EOF
2298 #include <unistd.h>
2299 #include <time.h>
2300 #undef localtime_r
2301 int main(void) { localtime_r(NULL, NULL); return 0; }
2302 EOF
2303     if compile_prog "" "" ; then
2304         localtime_r="yes"
2305     else
2306         localtime_r="no"
2307     fi
2308 fi
2309
2310 ##########################################
2311 # pkg-config probe
2312
2313 if ! has "$pkg_config_exe"; then
2314   error_exit "pkg-config binary '$pkg_config_exe' not found"
2315 fi
2316
2317 ##########################################
2318 # NPTL probe
2319
2320 if test "$linux_user" = "yes"; then
2321   cat > $TMPC <<EOF
2322 #include <sched.h>
2323 #include <linux/futex.h>
2324 int main(void) {
2325 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2326 #error bork
2327 #endif
2328   return 0;
2329 }
2330 EOF
2331   if ! compile_object ; then
2332     feature_not_found "nptl" "Install glibc and linux kernel headers."
2333   fi
2334 fi
2335
2336 ##########################################
2337 # lzo check
2338
2339 if test "$lzo" != "no" ; then
2340     cat > $TMPC << EOF
2341 #include <lzo/lzo1x.h>
2342 int main(void) { lzo_version(); return 0; }
2343 EOF
2344     if compile_prog "" "-llzo2" ; then
2345         libs_softmmu="$libs_softmmu -llzo2"
2346         lzo="yes"
2347     else
2348         if test "$lzo" = "yes"; then
2349             feature_not_found "liblzo2" "Install liblzo2 devel"
2350         fi
2351         lzo="no"
2352     fi
2353 fi
2354
2355 ##########################################
2356 # snappy check
2357
2358 if test "$snappy" != "no" ; then
2359     cat > $TMPC << EOF
2360 #include <snappy-c.h>
2361 int main(void) { snappy_max_compressed_length(4096); return 0; }
2362 EOF
2363     if compile_prog "" "-lsnappy" ; then
2364         libs_softmmu="$libs_softmmu -lsnappy"
2365         snappy="yes"
2366     else
2367         if test "$snappy" = "yes"; then
2368             feature_not_found "libsnappy" "Install libsnappy devel"
2369         fi
2370         snappy="no"
2371     fi
2372 fi
2373
2374 ##########################################
2375 # bzip2 check
2376
2377 if test "$bzip2" != "no" ; then
2378     cat > $TMPC << EOF
2379 #include <bzlib.h>
2380 int main(void) { BZ2_bzlibVersion(); return 0; }
2381 EOF
2382     if compile_prog "" "-lbz2" ; then
2383         bzip2="yes"
2384     else
2385         if test "$bzip2" = "yes"; then
2386             feature_not_found "libbzip2" "Install libbzip2 devel"
2387         fi
2388         bzip2="no"
2389     fi
2390 fi
2391
2392 ##########################################
2393 # lzfse check
2394
2395 if test "$lzfse" != "no" ; then
2396     cat > $TMPC << EOF
2397 #include <lzfse.h>
2398 int main(void) { lzfse_decode_scratch_size(); return 0; }
2399 EOF
2400     if compile_prog "" "-llzfse" ; then
2401         lzfse="yes"
2402     else
2403         if test "$lzfse" = "yes"; then
2404             feature_not_found "lzfse" "Install lzfse devel"
2405         fi
2406         lzfse="no"
2407     fi
2408 fi
2409
2410 ##########################################
2411 # libseccomp check
2412
2413 if test "$seccomp" != "no" ; then
2414     libseccomp_minver="2.3.0"
2415     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2416         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2417         seccomp_libs="$($pkg_config --libs libseccomp)"
2418         seccomp="yes"
2419     else
2420         if test "$seccomp" = "yes" ; then
2421             feature_not_found "libseccomp" \
2422                  "Install libseccomp devel >= $libseccomp_minver"
2423         fi
2424         seccomp="no"
2425     fi
2426 fi
2427 ##########################################
2428 # xen probe
2429
2430 if test "$xen" != "no" ; then
2431   # Check whether Xen library path is specified via --extra-ldflags to avoid
2432   # overriding this setting with pkg-config output. If not, try pkg-config
2433   # to obtain all needed flags.
2434
2435   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2436      $pkg_config --exists xencontrol ; then
2437     xen_ctrl_version="$(printf '%d%02d%02d' \
2438       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2439     xen=yes
2440     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2441     xen_pc="$xen_pc xenevtchn xendevicemodel"
2442     if $pkg_config --exists xentoolcore; then
2443       xen_pc="$xen_pc xentoolcore"
2444     fi
2445     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2446     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2447   else
2448
2449     xen_libs="-lxenstore -lxenctrl -lxenguest"
2450     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2451
2452     # First we test whether Xen headers and libraries are available.
2453     # If no, we are done and there is no Xen support.
2454     # If yes, more tests are run to detect the Xen version.
2455
2456     # Xen (any)
2457     cat > $TMPC <<EOF
2458 #include <xenctrl.h>
2459 int main(void) {
2460   return 0;
2461 }
2462 EOF
2463     if ! compile_prog "" "$xen_libs" ; then
2464       # Xen not found
2465       if test "$xen" = "yes" ; then
2466         feature_not_found "xen" "Install xen devel"
2467       fi
2468       xen=no
2469
2470     # Xen unstable
2471     elif
2472         cat > $TMPC <<EOF &&
2473 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2474 #define __XEN_TOOLS__
2475 #include <xendevicemodel.h>
2476 #include <xenforeignmemory.h>
2477 int main(void) {
2478   xendevicemodel_handle *xd;
2479   xenforeignmemory_handle *xfmem;
2480
2481   xd = xendevicemodel_open(0, 0);
2482   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2483
2484   xfmem = xenforeignmemory_open(0, 0);
2485   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2486
2487   return 0;
2488 }
2489 EOF
2490         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2491       then
2492       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2493       xen_ctrl_version=41100
2494       xen=yes
2495     elif
2496         cat > $TMPC <<EOF &&
2497 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2498 #include <xenforeignmemory.h>
2499 #include <xentoolcore.h>
2500 int main(void) {
2501   xenforeignmemory_handle *xfmem;
2502
2503   xfmem = xenforeignmemory_open(0, 0);
2504   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2505   xentoolcore_restrict_all(0);
2506
2507   return 0;
2508 }
2509 EOF
2510         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2511       then
2512       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2513       xen_ctrl_version=41000
2514       xen=yes
2515     elif
2516         cat > $TMPC <<EOF &&
2517 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2518 #define __XEN_TOOLS__
2519 #include <xendevicemodel.h>
2520 int main(void) {
2521   xendevicemodel_handle *xd;
2522
2523   xd = xendevicemodel_open(0, 0);
2524   xendevicemodel_close(xd);
2525
2526   return 0;
2527 }
2528 EOF
2529         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2530       then
2531       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2532       xen_ctrl_version=40900
2533       xen=yes
2534     elif
2535         cat > $TMPC <<EOF &&
2536 /*
2537  * If we have stable libs the we don't want the libxc compat
2538  * layers, regardless of what CFLAGS we may have been given.
2539  *
2540  * Also, check if xengnttab_grant_copy_segment_t is defined and
2541  * grant copy operation is implemented.
2542  */
2543 #undef XC_WANT_COMPAT_EVTCHN_API
2544 #undef XC_WANT_COMPAT_GNTTAB_API
2545 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2546 #include <xenctrl.h>
2547 #include <xenstore.h>
2548 #include <xenevtchn.h>
2549 #include <xengnttab.h>
2550 #include <xenforeignmemory.h>
2551 #include <stdint.h>
2552 #include <xen/hvm/hvm_info_table.h>
2553 #if !defined(HVM_MAX_VCPUS)
2554 # error HVM_MAX_VCPUS not defined
2555 #endif
2556 int main(void) {
2557   xc_interface *xc = NULL;
2558   xenforeignmemory_handle *xfmem;
2559   xenevtchn_handle *xe;
2560   xengnttab_handle *xg;
2561   xengnttab_grant_copy_segment_t* seg = NULL;
2562
2563   xs_daemon_open();
2564
2565   xc = xc_interface_open(0, 0, 0);
2566   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2567   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2568   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2569   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2570
2571   xfmem = xenforeignmemory_open(0, 0);
2572   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2573
2574   xe = xenevtchn_open(0, 0);
2575   xenevtchn_fd(xe);
2576
2577   xg = xengnttab_open(0, 0);
2578   xengnttab_grant_copy(xg, 0, seg);
2579
2580   return 0;
2581 }
2582 EOF
2583         compile_prog "" "$xen_libs $xen_stable_libs"
2584       then
2585       xen_ctrl_version=40800
2586       xen=yes
2587     elif
2588         cat > $TMPC <<EOF &&
2589 /*
2590  * If we have stable libs the we don't want the libxc compat
2591  * layers, regardless of what CFLAGS we may have been given.
2592  */
2593 #undef XC_WANT_COMPAT_EVTCHN_API
2594 #undef XC_WANT_COMPAT_GNTTAB_API
2595 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2596 #include <xenctrl.h>
2597 #include <xenstore.h>
2598 #include <xenevtchn.h>
2599 #include <xengnttab.h>
2600 #include <xenforeignmemory.h>
2601 #include <stdint.h>
2602 #include <xen/hvm/hvm_info_table.h>
2603 #if !defined(HVM_MAX_VCPUS)
2604 # error HVM_MAX_VCPUS not defined
2605 #endif
2606 int main(void) {
2607   xc_interface *xc = NULL;
2608   xenforeignmemory_handle *xfmem;
2609   xenevtchn_handle *xe;
2610   xengnttab_handle *xg;
2611
2612   xs_daemon_open();
2613
2614   xc = xc_interface_open(0, 0, 0);
2615   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2616   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2617   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2618   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2619
2620   xfmem = xenforeignmemory_open(0, 0);
2621   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2622
2623   xe = xenevtchn_open(0, 0);
2624   xenevtchn_fd(xe);
2625
2626   xg = xengnttab_open(0, 0);
2627   xengnttab_map_grant_ref(xg, 0, 0, 0);
2628
2629   return 0;
2630 }
2631 EOF
2632         compile_prog "" "$xen_libs $xen_stable_libs"
2633       then
2634       xen_ctrl_version=40701
2635       xen=yes
2636
2637     # Xen 4.6
2638     elif
2639         cat > $TMPC <<EOF &&
2640 #include <xenctrl.h>
2641 #include <xenstore.h>
2642 #include <stdint.h>
2643 #include <xen/hvm/hvm_info_table.h>
2644 #if !defined(HVM_MAX_VCPUS)
2645 # error HVM_MAX_VCPUS not defined
2646 #endif
2647 int main(void) {
2648   xc_interface *xc;
2649   xs_daemon_open();
2650   xc = xc_interface_open(0, 0, 0);
2651   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2652   xc_gnttab_open(NULL, 0);
2653   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2654   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2655   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2656   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2657   return 0;
2658 }
2659 EOF
2660         compile_prog "" "$xen_libs"
2661       then
2662       xen_ctrl_version=40600
2663       xen=yes
2664
2665     # Xen 4.5
2666     elif
2667         cat > $TMPC <<EOF &&
2668 #include <xenctrl.h>
2669 #include <xenstore.h>
2670 #include <stdint.h>
2671 #include <xen/hvm/hvm_info_table.h>
2672 #if !defined(HVM_MAX_VCPUS)
2673 # error HVM_MAX_VCPUS not defined
2674 #endif
2675 int main(void) {
2676   xc_interface *xc;
2677   xs_daemon_open();
2678   xc = xc_interface_open(0, 0, 0);
2679   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2680   xc_gnttab_open(NULL, 0);
2681   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2682   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2683   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2684   return 0;
2685 }
2686 EOF
2687         compile_prog "" "$xen_libs"
2688       then
2689       xen_ctrl_version=40500
2690       xen=yes
2691
2692     elif
2693         cat > $TMPC <<EOF &&
2694 #include <xenctrl.h>
2695 #include <xenstore.h>
2696 #include <stdint.h>
2697 #include <xen/hvm/hvm_info_table.h>
2698 #if !defined(HVM_MAX_VCPUS)
2699 # error HVM_MAX_VCPUS not defined
2700 #endif
2701 int main(void) {
2702   xc_interface *xc;
2703   xs_daemon_open();
2704   xc = xc_interface_open(0, 0, 0);
2705   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2706   xc_gnttab_open(NULL, 0);
2707   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2708   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2709   return 0;
2710 }
2711 EOF
2712         compile_prog "" "$xen_libs"
2713       then
2714       xen_ctrl_version=40200
2715       xen=yes
2716
2717     else
2718       if test "$xen" = "yes" ; then
2719         feature_not_found "xen (unsupported version)" \
2720                           "Install a supported xen (xen 4.2 or newer)"
2721       fi
2722       xen=no
2723     fi
2724
2725     if test "$xen" = yes; then
2726       if test $xen_ctrl_version -ge 40701  ; then
2727         libs_softmmu="$xen_stable_libs $libs_softmmu"
2728       fi
2729       libs_softmmu="$xen_libs $libs_softmmu"
2730     fi
2731   fi
2732 fi
2733
2734 if test "$xen_pci_passthrough" != "no"; then
2735   if test "$xen" = "yes" && test "$linux" = "yes"; then
2736     xen_pci_passthrough=yes
2737   else
2738     if test "$xen_pci_passthrough" = "yes"; then
2739       error_exit "User requested feature Xen PCI Passthrough" \
2740           " but this feature requires /sys from Linux"
2741     fi
2742     xen_pci_passthrough=no
2743   fi
2744 fi
2745
2746 ##########################################
2747 # Windows Hypervisor Platform accelerator (WHPX) check
2748 if test "$whpx" != "no" ; then
2749     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2750         whpx="yes"
2751     else
2752         if test "$whpx" = "yes"; then
2753             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2754         fi
2755         whpx="no"
2756     fi
2757 fi
2758
2759 ##########################################
2760 # Sparse probe
2761 if test "$sparse" != "no" ; then
2762   if has cgcc; then
2763     sparse=yes
2764   else
2765     if test "$sparse" = "yes" ; then
2766       feature_not_found "sparse" "Install sparse binary"
2767     fi
2768     sparse=no
2769   fi
2770 fi
2771
2772 ##########################################
2773 # X11 probe
2774 if $pkg_config --exists "x11"; then
2775     have_x11=yes
2776     x11_cflags=$($pkg_config --cflags x11)
2777     x11_libs=$($pkg_config --libs x11)
2778 fi
2779
2780 ##########################################
2781 # GTK probe
2782
2783 if test "$gtk" != "no"; then
2784     gtkpackage="gtk+-3.0"
2785     gtkx11package="gtk+-x11-3.0"
2786     gtkversion="3.14.0"
2787     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2788         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2789         gtk_libs=$($pkg_config --libs $gtkpackage)
2790         gtk_version=$($pkg_config --modversion $gtkpackage)
2791         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2792             need_x11=yes
2793             gtk_cflags="$gtk_cflags $x11_cflags"
2794             gtk_libs="$gtk_libs $x11_libs"
2795         fi
2796         gtk="yes"
2797     elif test "$gtk" = "yes"; then
2798         feature_not_found "gtk" "Install gtk3-devel"
2799     else
2800         gtk="no"
2801     fi
2802 fi
2803
2804
2805 ##########################################
2806 # GNUTLS probe
2807
2808 if test "$gnutls" != "no"; then
2809     pass="no"
2810     if $pkg_config --exists "gnutls >= 3.1.18"; then
2811         gnutls_cflags=$($pkg_config --cflags gnutls)
2812         gnutls_libs=$($pkg_config --libs gnutls)
2813         # Packaging for the static libraries is not always correct.
2814         # At least ubuntu 18.04 ships only shared libraries.
2815         write_c_skeleton
2816         if compile_prog "" "$gnutls_libs" ; then
2817             LIBS="$gnutls_libs $LIBS"
2818             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2819             pass="yes"
2820         fi
2821     fi
2822     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2823         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2824     else
2825         gnutls="$pass"
2826     fi
2827 fi
2828
2829
2830 # If user didn't give a --disable/enable-gcrypt flag,
2831 # then mark as disabled if user requested nettle
2832 # explicitly
2833 if test -z "$gcrypt"
2834 then
2835     if test "$nettle" = "yes"
2836     then
2837         gcrypt="no"
2838     fi
2839 fi
2840
2841 # If user didn't give a --disable/enable-nettle flag,
2842 # then mark as disabled if user requested gcrypt
2843 # explicitly
2844 if test -z "$nettle"
2845 then
2846     if test "$gcrypt" = "yes"
2847     then
2848         nettle="no"
2849     fi
2850 fi
2851
2852 has_libgcrypt() {
2853     if ! has "libgcrypt-config"
2854     then
2855         return 1
2856     fi
2857
2858     if test -n "$cross_prefix"
2859     then
2860         host=$(libgcrypt-config --host)
2861         if test "$host-" != $cross_prefix
2862         then
2863             return 1
2864         fi
2865     fi
2866
2867     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2868     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2869
2870     if test $maj != 1 || test $min -lt 5
2871     then
2872        return 1
2873     fi
2874
2875     return 0
2876 }
2877
2878
2879 if test "$nettle" != "no"; then
2880     pass="no"
2881     if $pkg_config --exists "nettle >= 2.7.1"; then
2882         nettle_cflags=$($pkg_config --cflags nettle)
2883         nettle_libs=$($pkg_config --libs nettle)
2884         nettle_version=$($pkg_config --modversion nettle)
2885         # Link test to make sure the given libraries work (e.g for static).
2886         write_c_skeleton
2887         if compile_prog "" "$nettle_libs" ; then
2888             LIBS="$nettle_libs $LIBS"
2889             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2890             if test -z "$gcrypt"; then
2891                gcrypt="no"
2892             fi
2893             pass="yes"
2894         fi
2895     fi
2896     if test "$pass" = "yes"
2897     then
2898         cat > $TMPC << EOF
2899 #include <nettle/xts.h>
2900 int main(void) {
2901   return 0;
2902 }
2903 EOF
2904         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2905             nettle_xts=yes
2906             qemu_private_xts=no
2907         fi
2908     fi
2909     if test "$pass" = "no" && test "$nettle" = "yes"; then
2910         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2911     else
2912         nettle="$pass"
2913     fi
2914 fi
2915
2916 if test "$gcrypt" != "no"; then
2917     pass="no"
2918     if has_libgcrypt; then
2919         gcrypt_cflags=$(libgcrypt-config --cflags)
2920         gcrypt_libs=$(libgcrypt-config --libs)
2921         # Debian has removed -lgpg-error from libgcrypt-config
2922         # as it "spreads unnecessary dependencies" which in
2923         # turn breaks static builds...
2924         if test "$static" = "yes"
2925         then
2926             gcrypt_libs="$gcrypt_libs -lgpg-error"
2927         fi
2928
2929         # Link test to make sure the given libraries work (e.g for static).
2930         write_c_skeleton
2931         if compile_prog "" "$gcrypt_libs" ; then
2932             LIBS="$gcrypt_libs $LIBS"
2933             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2934             pass="yes"
2935         fi
2936     fi
2937     if test "$pass" = "yes"; then
2938         gcrypt="yes"
2939         cat > $TMPC << EOF
2940 #include <gcrypt.h>
2941 int main(void) {
2942   gcry_mac_hd_t handle;
2943   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2944                 GCRY_MAC_FLAG_SECURE, NULL);
2945   return 0;
2946 }
2947 EOF
2948         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2949             gcrypt_hmac=yes
2950         fi
2951         cat > $TMPC << EOF
2952 #include <gcrypt.h>
2953 int main(void) {
2954   gcry_cipher_hd_t handle;
2955   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2956   return 0;
2957 }
2958 EOF
2959         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2960             gcrypt_xts=yes
2961             qemu_private_xts=no
2962         fi
2963     elif test "$gcrypt" = "yes"; then
2964         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2965     else
2966         gcrypt="no"
2967     fi
2968 fi
2969
2970
2971 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2972 then
2973     error_exit "Only one of gcrypt & nettle can be enabled"
2974 fi
2975
2976 ##########################################
2977 # libtasn1 - only for the TLS creds/session test suite
2978
2979 tasn1=yes
2980 tasn1_cflags=""
2981 tasn1_libs=""
2982 if $pkg_config --exists "libtasn1"; then
2983     tasn1_cflags=$($pkg_config --cflags libtasn1)
2984     tasn1_libs=$($pkg_config --libs libtasn1)
2985 else
2986     tasn1=no
2987 fi
2988
2989
2990 ##########################################
2991 # PAM probe
2992
2993 if test "$auth_pam" != "no"; then
2994     cat > $TMPC <<EOF
2995 #include <security/pam_appl.h>
2996 #include <stdio.h>
2997 int main(void) {
2998    const char *service_name = "qemu";
2999    const char *user = "frank";
3000    const struct pam_conv pam_conv = { 0 };
3001    pam_handle_t *pamh = NULL;
3002    pam_start(service_name, user, &pam_conv, &pamh);
3003    return 0;
3004 }
3005 EOF
3006     if compile_prog "" "-lpam" ; then
3007         auth_pam=yes
3008     else
3009         if test "$auth_pam" = "yes"; then
3010             feature_not_found "PAM" "Install PAM development package"
3011         else
3012             auth_pam=no
3013         fi
3014     fi
3015 fi
3016
3017 ##########################################
3018 # getifaddrs (for tests/test-io-channel-socket )
3019
3020 have_ifaddrs_h=yes
3021 if ! check_include "ifaddrs.h" ; then
3022   have_ifaddrs_h=no
3023 fi
3024
3025 ##########################################
3026 # VTE probe
3027
3028 if test "$vte" != "no"; then
3029     vteminversion="0.32.0"
3030     if $pkg_config --exists "vte-2.91"; then
3031       vtepackage="vte-2.91"
3032     else
3033       vtepackage="vte-2.90"
3034     fi
3035     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3036         vte_cflags=$($pkg_config --cflags $vtepackage)
3037         vte_libs=$($pkg_config --libs $vtepackage)
3038         vteversion=$($pkg_config --modversion $vtepackage)
3039         vte="yes"
3040     elif test "$vte" = "yes"; then
3041         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3042     else
3043         vte="no"
3044     fi
3045 fi
3046
3047 ##########################################
3048 # SDL probe
3049
3050 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3051 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3052
3053 sdl_probe ()
3054 {
3055   if $pkg_config sdl2 --exists; then
3056     sdlconfig="$pkg_config sdl2"
3057     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3058   elif has "$sdl2_config"; then
3059     sdlconfig="$sdl2_config"
3060     sdlversion=$($sdlconfig --version)
3061   else
3062     if test "$sdl" = "yes" ; then
3063       feature_not_found "sdl" "Install SDL2-devel"
3064     fi
3065     sdl=no
3066     # no need to do the rest
3067     return
3068   fi
3069   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3070     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3071   fi
3072
3073   cat > $TMPC << EOF
3074 #include <SDL.h>
3075 #undef main /* We don't want SDL to override our main() */
3076 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3077 EOF
3078   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3079   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3080   if test "$static" = "yes" ; then
3081     if $pkg_config sdl2 --exists; then
3082       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3083     else
3084       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3085     fi
3086   else
3087     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3088   fi
3089   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3090     sdl=yes
3091
3092     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3093     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3094       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3095          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3096          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3097       fi
3098       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3099         :
3100       else
3101         sdl=no
3102       fi
3103     fi # static link
3104   else # sdl not found
3105     if test "$sdl" = "yes" ; then
3106       feature_not_found "sdl" "Install SDL2 devel"
3107     fi
3108     sdl=no
3109   fi # sdl compile test
3110 }
3111
3112 sdl_image_probe ()
3113 {
3114     if test "$sdl_image" != "no" ; then
3115         if $pkg_config SDL2_image --exists; then
3116             if test "$static" = "yes"; then
3117                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3118             else
3119                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3120             fi
3121             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3122             sdl_image=yes
3123
3124             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3125             sdl_libs="$sdl_libs $sdl_image_libs"
3126         else
3127             if test "$sdl_image" = "yes" ; then
3128                 feature_not_found "sdl_image" "Install SDL Image devel"
3129             else
3130                 sdl_image=no
3131             fi
3132         fi
3133     fi
3134 }
3135
3136 if test "$sdl" != "no" ; then
3137   sdl_probe
3138 fi
3139
3140 if test "$sdl" = "yes" ; then
3141   sdl_image_probe
3142 else
3143   if test "$sdl_image" = "yes"; then
3144     echo "warning: SDL Image requested, but SDL is not available, disabling"
3145   fi
3146   sdl_image=no
3147 fi
3148
3149 if test "$sdl" = "yes" ; then
3150   cat > $TMPC <<EOF
3151 #include <SDL.h>
3152 #if defined(SDL_VIDEO_DRIVER_X11)
3153 #include <X11/XKBlib.h>
3154 #else
3155 #error No x11 support
3156 #endif
3157 int main(void) { return 0; }
3158 EOF
3159   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3160     need_x11=yes
3161     sdl_cflags="$sdl_cflags $x11_cflags"
3162     sdl_libs="$sdl_libs $x11_libs"
3163   fi
3164 fi
3165
3166 ##########################################
3167 # RDMA needs OpenFabrics libraries
3168 if test "$rdma" != "no" ; then
3169   cat > $TMPC <<EOF
3170 #include <rdma/rdma_cma.h>
3171 int main(void) { return 0; }
3172 EOF
3173   rdma_libs="-lrdmacm -libverbs -libumad"
3174   if compile_prog "" "$rdma_libs" ; then
3175     rdma="yes"
3176     libs_softmmu="$libs_softmmu $rdma_libs"
3177   else
3178     if test "$rdma" = "yes" ; then
3179         error_exit \
3180             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3181             " Your options:" \
3182             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3183             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3184             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3185     fi
3186     rdma="no"
3187   fi
3188 fi
3189
3190 ##########################################
3191 # PVRDMA detection
3192
3193 cat > $TMPC <<EOF &&
3194 #include <sys/mman.h>
3195
3196 int
3197 main(void)
3198 {
3199     char buf = 0;
3200     void *addr = &buf;
3201     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3202
3203     return 0;
3204 }
3205 EOF
3206
3207 if test "$rdma" = "yes" ; then
3208     case "$pvrdma" in
3209     "")
3210         if compile_prog "" ""; then
3211             pvrdma="yes"
3212         else
3213             pvrdma="no"
3214         fi
3215         ;;
3216     "yes")
3217         if ! compile_prog "" ""; then
3218             error_exit "PVRDMA is not supported since mremap is not implemented"
3219         fi
3220         pvrdma="yes"
3221         ;;
3222     "no")
3223         pvrdma="no"
3224         ;;
3225     esac
3226 else
3227     if test "$pvrdma" = "yes" ; then
3228         error_exit "PVRDMA requires rdma suppport"
3229     fi
3230     pvrdma="no"
3231 fi
3232
3233 # Let's see if enhanced reg_mr is supported
3234 if test "$pvrdma" = "yes" ; then
3235
3236 cat > $TMPC <<EOF &&
3237 #include <infiniband/verbs.h>
3238
3239 int
3240 main(void)
3241 {
3242     struct ibv_mr *mr;
3243     struct ibv_pd *pd = NULL;
3244     size_t length = 10;
3245     uint64_t iova = 0;
3246     int access = 0;
3247     void *addr = NULL;
3248
3249     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3250
3251     ibv_dereg_mr(mr);
3252
3253     return 0;
3254 }
3255 EOF
3256     if ! compile_prog "" "-libverbs"; then
3257         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3258     fi
3259 fi
3260
3261 ##########################################
3262 # VNC SASL detection
3263 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3264   cat > $TMPC <<EOF
3265 #include <sasl/sasl.h>
3266 #include <stdio.h>
3267 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3268 EOF
3269   # Assuming Cyrus-SASL installed in /usr prefix
3270   vnc_sasl_cflags=""
3271   vnc_sasl_libs="-lsasl2"
3272   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3273     vnc_sasl=yes
3274     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3275     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3276   else
3277     if test "$vnc_sasl" = "yes" ; then
3278       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3279     fi
3280     vnc_sasl=no
3281   fi
3282 fi
3283
3284 ##########################################
3285 # VNC JPEG detection
3286 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3287 cat > $TMPC <<EOF
3288 #include <stdio.h>
3289 #include <jpeglib.h>
3290 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3291 EOF
3292     vnc_jpeg_cflags=""
3293     vnc_jpeg_libs="-ljpeg"
3294   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3295     vnc_jpeg=yes
3296     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3297     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3298   else
3299     if test "$vnc_jpeg" = "yes" ; then
3300       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3301     fi
3302     vnc_jpeg=no
3303   fi
3304 fi
3305
3306 ##########################################
3307 # VNC PNG detection
3308 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3309 cat > $TMPC <<EOF
3310 //#include <stdio.h>
3311 #include <png.h>
3312 #include <stddef.h>
3313 int main(void) {
3314     png_structp png_ptr;
3315     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3316     return png_ptr != 0;
3317 }
3318 EOF
3319   if $pkg_config libpng --exists; then
3320     vnc_png_cflags=$($pkg_config libpng --cflags)
3321     vnc_png_libs=$($pkg_config libpng --libs)
3322   else
3323     vnc_png_cflags=""
3324     vnc_png_libs="-lpng"
3325   fi
3326   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3327     vnc_png=yes
3328     libs_softmmu="$vnc_png_libs $libs_softmmu"
3329     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3330   else
3331     if test "$vnc_png" = "yes" ; then
3332       feature_not_found "vnc-png" "Install libpng devel"
3333     fi
3334     vnc_png=no
3335   fi
3336 fi
3337
3338 ##########################################
3339 # xkbcommon probe
3340 if test "$xkbcommon" != "no" ; then
3341   if $pkg_config xkbcommon --exists; then
3342     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3343     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3344     xkbcommon=yes
3345   else
3346     if test "$xkbcommon" = "yes" ; then
3347       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3348     fi
3349     xkbcommon=no
3350   fi
3351 fi
3352
3353
3354 ##########################################
3355 # xfsctl() probe, used for file-posix.c
3356 if test "$xfs" != "no" ; then
3357   cat > $TMPC << EOF
3358 #include <stddef.h>  /* NULL */
3359 #include <xfs/xfs.h>
3360 int main(void)
3361 {
3362     xfsctl(NULL, 0, 0, NULL);
3363     return 0;
3364 }
3365 EOF
3366   if compile_prog "" "" ; then
3367     xfs="yes"
3368   else
3369     if test "$xfs" = "yes" ; then
3370       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3371     fi
3372     xfs=no
3373   fi
3374 fi
3375
3376 ##########################################
3377 # vde libraries probe
3378 if test "$vde" != "no" ; then
3379   vde_libs="-lvdeplug"
3380   cat > $TMPC << EOF
3381 #include <libvdeplug.h>
3382 int main(void)
3383 {
3384     struct vde_open_args a = {0, 0, 0};
3385     char s[] = "";
3386     vde_open(s, s, &a);
3387     return 0;
3388 }
3389 EOF
3390   if compile_prog "" "$vde_libs" ; then
3391     vde=yes
3392   else
3393     if test "$vde" = "yes" ; then
3394       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3395     fi
3396     vde=no
3397   fi
3398 fi
3399
3400 ##########################################
3401 # netmap support probe
3402 # Apart from looking for netmap headers, we make sure that the host API version
3403 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3404 # a minor/major version number. Minor new features will be marked with values up
3405 # to 15, and if something happens that requires a change to the backend we will
3406 # move above 15, submit the backend fixes and modify this two bounds.
3407 if test "$netmap" != "no" ; then
3408   cat > $TMPC << EOF
3409 #include <inttypes.h>
3410 #include <net/if.h>
3411 #include <net/netmap.h>
3412 #include <net/netmap_user.h>
3413 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3414 #error
3415 #endif
3416 int main(void) { return 0; }
3417 EOF
3418   if compile_prog "" "" ; then
3419     netmap=yes
3420   else
3421     if test "$netmap" = "yes" ; then
3422       feature_not_found "netmap"
3423     fi
3424     netmap=no
3425   fi
3426 fi
3427
3428 ##########################################
3429 # libcap-ng library probe
3430 if test "$cap_ng" != "no" ; then
3431   cap_libs="-lcap-ng"
3432   cat > $TMPC << EOF
3433 #include <cap-ng.h>
3434 int main(void)
3435 {
3436     capng_capability_to_name(CAPNG_EFFECTIVE);
3437     return 0;
3438 }
3439 EOF
3440   if compile_prog "" "$cap_libs" ; then
3441     cap_ng=yes
3442     libs_tools="$cap_libs $libs_tools"
3443   else
3444     if test "$cap_ng" = "yes" ; then
3445       feature_not_found "cap_ng" "Install libcap-ng devel"
3446     fi
3447     cap_ng=no
3448   fi
3449 fi
3450
3451 ##########################################
3452 # Sound support libraries probe
3453
3454 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3455 for drv in $audio_drv_list; do
3456     case $drv in
3457     alsa | try-alsa)
3458     if $pkg_config alsa --exists; then
3459         alsa_libs=$($pkg_config alsa --libs)
3460         if test "$drv" = "try-alsa"; then
3461             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3462         fi
3463     else
3464         if test "$drv" = "try-alsa"; then
3465             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3466         else
3467             error_exit "$drv check failed" \
3468                 "Make sure to have the $drv libs and headers installed."
3469         fi
3470     fi
3471     ;;
3472
3473     pa | try-pa)
3474     if $pkg_config libpulse --exists; then
3475         pulse_libs=$($pkg_config libpulse --libs)
3476         if test "$drv" = "try-pa"; then
3477             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3478         fi
3479     else
3480         if test "$drv" = "try-pa"; then
3481             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3482         else
3483             error_exit "$drv check failed" \
3484                 "Make sure to have the $drv libs and headers installed."
3485         fi
3486     fi
3487     ;;
3488
3489     sdl)
3490     if test "$sdl" = "no"; then
3491         error_exit "sdl not found or disabled, can not use sdl audio driver"
3492     fi
3493     ;;
3494
3495     try-sdl)
3496     if test "$sdl" = "no"; then
3497         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3498     else
3499         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3500     fi
3501     ;;
3502
3503     coreaudio)
3504       coreaudio_libs="-framework CoreAudio"
3505     ;;
3506
3507     dsound)
3508       dsound_libs="-lole32 -ldxguid"
3509       audio_win_int="yes"
3510     ;;
3511
3512     oss)
3513       oss_libs="$oss_lib"
3514     ;;
3515
3516     *)
3517     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3518         error_exit "Unknown driver '$drv' selected" \
3519             "Possible drivers are: $audio_possible_drivers"
3520     }
3521     ;;
3522     esac
3523 done
3524
3525 ##########################################
3526 # BrlAPI probe
3527
3528 if test "$brlapi" != "no" ; then
3529   brlapi_libs="-lbrlapi"
3530   cat > $TMPC << EOF
3531 #include <brlapi.h>
3532 #include <stddef.h>
3533 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3534 EOF
3535   if compile_prog "" "$brlapi_libs" ; then
3536     brlapi=yes
3537   else
3538     if test "$brlapi" = "yes" ; then
3539       feature_not_found "brlapi" "Install brlapi devel"
3540     fi
3541     brlapi=no
3542   fi
3543 fi
3544
3545 ##########################################
3546 # iconv probe
3547 if test "$iconv" != "no" ; then
3548   cat > $TMPC << EOF
3549 #include <iconv.h>
3550 int main(void) {
3551   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3552   return conv != (iconv_t) -1;
3553 }
3554 EOF
3555   iconv_prefix_list="/usr/local:/usr"
3556   iconv_lib_list=":-liconv"
3557   IFS=:
3558   for iconv_prefix in $iconv_prefix_list; do
3559     IFS=:
3560     iconv_cflags="-I$iconv_prefix/include"
3561     iconv_ldflags="-L$iconv_prefix/lib"
3562     for iconv_link in $iconv_lib_list; do
3563       unset IFS
3564       iconv_lib="$iconv_ldflags $iconv_link"
3565       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3566       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3567         iconv_found=yes
3568         break
3569       fi
3570     done
3571     if test "$iconv_found" = yes ; then
3572       break
3573     fi
3574   done
3575   if test "$iconv_found" = "yes" ; then
3576     iconv=yes
3577   else
3578     if test "$iconv" = "yes" ; then
3579       feature_not_found "iconv" "Install iconv devel"
3580     fi
3581     iconv=no
3582   fi
3583 fi
3584
3585 ##########################################
3586 # curses probe
3587 if test "$iconv" = "no" ; then
3588   # curses will need iconv
3589   curses=no
3590 fi
3591 if test "$curses" != "no" ; then
3592   if test "$mingw32" = "yes" ; then
3593     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3594     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3595   else
3596     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3597     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3598   fi
3599   curses_found=no
3600   cat > $TMPC << EOF
3601 #include <locale.h>
3602 #include <curses.h>
3603 #include <wchar.h>
3604 #include <langinfo.h>
3605 int main(void) {
3606   const char *codeset;
3607   wchar_t wch = L'w';
3608   setlocale(LC_ALL, "");
3609   resize_term(0, 0);
3610   addwstr(L"wide chars\n");
3611   addnwstr(&wch, 1);
3612   add_wch(WACS_DEGREE);
3613   codeset = nl_langinfo(CODESET);
3614   return codeset != 0;
3615 }
3616 EOF
3617   IFS=:
3618   for curses_inc in $curses_inc_list; do
3619     # Make sure we get the wide character prototypes
3620     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3621     IFS=:
3622     for curses_lib in $curses_lib_list; do
3623       unset IFS
3624       if compile_prog "$curses_inc" "$curses_lib" ; then
3625         curses_found=yes
3626         break
3627       fi
3628     done
3629     if test "$curses_found" = yes ; then
3630       break
3631     fi
3632   done
3633   unset IFS
3634   if test "$curses_found" = "yes" ; then
3635     curses=yes
3636   else
3637     if test "$curses" = "yes" ; then
3638       feature_not_found "curses" "Install ncurses devel"
3639     fi
3640     curses=no
3641   fi
3642 fi
3643
3644 ##########################################
3645 # curl probe
3646 if test "$curl" != "no" ; then
3647   if $pkg_config libcurl --exists; then
3648     curlconfig="$pkg_config libcurl"
3649   else
3650     curlconfig=curl-config
3651   fi
3652   cat > $TMPC << EOF
3653 #include <curl/curl.h>
3654 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3655 EOF
3656   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3657   curl_libs=$($curlconfig --libs 2>/dev/null)
3658   if compile_prog "$curl_cflags" "$curl_libs" ; then
3659     curl=yes
3660   else
3661     if test "$curl" = "yes" ; then
3662       feature_not_found "curl" "Install libcurl devel"
3663     fi
3664     curl=no
3665   fi
3666 fi # test "$curl"
3667
3668 ##########################################
3669 # bluez support probe
3670 if test "$bluez" != "no" ; then
3671   cat > $TMPC << EOF
3672 #include <bluetooth/bluetooth.h>
3673 int main(void) { return bt_error(0); }
3674 EOF
3675   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3676   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3677   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3678     bluez=yes
3679     libs_softmmu="$bluez_libs $libs_softmmu"
3680   else
3681     if test "$bluez" = "yes" ; then
3682       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3683     fi
3684     bluez="no"
3685   fi
3686 fi
3687
3688 ##########################################
3689 # glib support probe
3690
3691 glib_req_ver=2.48
3692 glib_modules=gthread-2.0
3693 if test "$modules" = yes; then
3694     glib_modules="$glib_modules gmodule-export-2.0"
3695 fi
3696 if test "$plugins" = yes; then
3697     glib_modules="$glib_modules gmodule-2.0"
3698 fi
3699
3700 # This workaround is required due to a bug in pkg-config file for glib as it
3701 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3702
3703 if test "$static" = yes && test "$mingw32" = yes; then
3704     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3705 fi
3706
3707 for i in $glib_modules; do
3708     if $pkg_config --atleast-version=$glib_req_ver $i; then
3709         glib_cflags=$($pkg_config --cflags $i)
3710         glib_libs=$($pkg_config --libs $i)
3711         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3712         LIBS="$glib_libs $LIBS"
3713         libs_qga="$glib_libs $libs_qga"
3714     else
3715         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3716     fi
3717 done
3718
3719 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3720     gio=yes
3721     gio_cflags=$($pkg_config --cflags gio-2.0)
3722     gio_libs=$($pkg_config --libs gio-2.0)
3723 else
3724     gio=no
3725 fi
3726
3727 # Sanity check that the current size_t matches the
3728 # size that glib thinks it should be. This catches
3729 # problems on multi-arch where people try to build
3730 # 32-bit QEMU while pointing at 64-bit glib headers
3731 cat > $TMPC <<EOF
3732 #include <glib.h>
3733 #include <unistd.h>
3734
3735 #define QEMU_BUILD_BUG_ON(x) \
3736   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3737
3738 int main(void) {
3739    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3740    return 0;
3741 }
3742 EOF
3743
3744 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3745     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3746                "You probably need to set PKG_CONFIG_LIBDIR"\
3747                "to point to the right pkg-config files for your"\
3748                "build target"
3749 fi
3750
3751 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3752 cat > $TMPC << EOF
3753 #include <glib.h>
3754 int main(void) { return 0; }
3755 EOF
3756 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3757     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3758         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3759         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3760     fi
3761 fi
3762
3763 #########################################
3764 # zlib check
3765
3766 if test "$zlib" != "no" ; then
3767     if $pkg_config --exists zlib; then
3768         zlib_cflags=$($pkg_config --cflags zlib)
3769         zlib_libs=$($pkg_config --libs zlib)
3770         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3771         LIBS="$zlib_libs $LIBS"
3772     else
3773         cat > $TMPC << EOF
3774 #include <zlib.h>
3775 int main(void) { zlibVersion(); return 0; }
3776 EOF
3777         if compile_prog "" "-lz" ; then
3778             LIBS="$LIBS -lz"
3779         else
3780             error_exit "zlib check failed" \
3781                 "Make sure to have the zlib libs and headers installed."
3782         fi
3783     fi
3784 fi
3785
3786 ##########################################
3787 # SHA command probe for modules
3788 if test "$modules" = yes; then
3789     shacmd_probe="sha1sum sha1 shasum"
3790     for c in $shacmd_probe; do
3791         if has $c; then
3792             shacmd="$c"
3793             break
3794         fi
3795     done
3796     if test "$shacmd" = ""; then
3797         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3798     fi
3799 fi
3800
3801 ##########################################
3802 # pixman support probe
3803
3804 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3805   pixman_cflags=
3806   pixman_libs=
3807 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3808   pixman_cflags=$($pkg_config --cflags pixman-1)
3809   pixman_libs=$($pkg_config --libs pixman-1)
3810 else
3811   error_exit "pixman >= 0.21.8 not present." \
3812       "Please install the pixman devel package."
3813 fi
3814
3815 ##########################################
3816 # libmpathpersist probe
3817
3818 if test "$mpath" != "no" ; then
3819   # probe for the new API
3820   cat > $TMPC <<EOF
3821 #include <libudev.h>
3822 #include <mpath_persist.h>
3823 unsigned mpath_mx_alloc_len = 1024;
3824 int logsink;
3825 static struct config *multipath_conf;
3826 extern struct udev *udev;
3827 extern struct config *get_multipath_config(void);
3828 extern void put_multipath_config(struct config *conf);
3829 struct udev *udev;
3830 struct config *get_multipath_config(void) { return multipath_conf; }
3831 void put_multipath_config(struct config *conf) { }
3832
3833 int main(void) {
3834     udev = udev_new();
3835     multipath_conf = mpath_lib_init();
3836     return 0;
3837 }
3838 EOF
3839   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3840     mpathpersist=yes
3841     mpathpersist_new_api=yes
3842   else
3843     # probe for the old API
3844     cat > $TMPC <<EOF
3845 #include <libudev.h>
3846 #include <mpath_persist.h>
3847 unsigned mpath_mx_alloc_len = 1024;
3848 int logsink;
3849 int main(void) {
3850     struct udev *udev = udev_new();
3851     mpath_lib_init(udev);
3852     return 0;
3853 }
3854 EOF
3855     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3856       mpathpersist=yes
3857       mpathpersist_new_api=no
3858     else
3859       mpathpersist=no
3860     fi
3861   fi
3862 else
3863   mpathpersist=no
3864 fi
3865
3866 ##########################################
3867 # libcap probe
3868
3869 if test "$cap" != "no" ; then
3870   cat > $TMPC <<EOF
3871 #include <stdio.h>
3872 #include <sys/capability.h>
3873 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3874 EOF
3875   if compile_prog "" "-lcap" ; then
3876     cap=yes
3877   else
3878     cap=no
3879   fi
3880 fi
3881
3882 ##########################################
3883 # pthread probe
3884 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3885
3886 pthread=no
3887 cat > $TMPC << EOF
3888 #include <pthread.h>
3889 static void *f(void *p) { return NULL; }
3890 int main(void) {
3891   pthread_t thread;
3892   pthread_create(&thread, 0, f, 0);
3893   return 0;
3894 }
3895 EOF
3896 if compile_prog "" "" ; then
3897   pthread=yes
3898 else
3899   for pthread_lib in $PTHREADLIBS_LIST; do
3900     if compile_prog "" "$pthread_lib" ; then
3901       pthread=yes
3902       found=no
3903       for lib_entry in $LIBS; do
3904         if test "$lib_entry" = "$pthread_lib"; then
3905           found=yes
3906           break
3907         fi
3908       done
3909       if test "$found" = "no"; then
3910         LIBS="$pthread_lib $LIBS"
3911         libs_qga="$pthread_lib $libs_qga"
3912       fi
3913       PTHREAD_LIB="$pthread_lib"
3914       break
3915     fi
3916   done
3917 fi
3918
3919 if test "$mingw32" != yes && test "$pthread" = no; then
3920   error_exit "pthread check failed" \
3921       "Make sure to have the pthread libs and headers installed."
3922 fi
3923
3924 # check for pthread_setname_np with thread id
3925 pthread_setname_np_w_tid=no
3926 cat > $TMPC << EOF
3927 #include <pthread.h>
3928
3929 static void *f(void *p) { return NULL; }
3930 int main(void)
3931 {
3932     pthread_t thread;
3933     pthread_create(&thread, 0, f, 0);
3934     pthread_setname_np(thread, "QEMU");
3935     return 0;
3936 }
3937 EOF
3938 if compile_prog "" "$pthread_lib" ; then
3939   pthread_setname_np_w_tid=yes
3940 fi
3941
3942 # check for pthread_setname_np without thread id
3943 pthread_setname_np_wo_tid=no
3944 cat > $TMPC << EOF
3945 #include <pthread.h>
3946
3947 static void *f(void *p) { pthread_setname_np("QEMU"); }
3948 int main(void)
3949 {
3950     pthread_t thread;
3951     pthread_create(&thread, 0, f, 0);
3952     return 0;
3953 }
3954 EOF
3955 if compile_prog "" "$pthread_lib" ; then
3956   pthread_setname_np_wo_tid=yes
3957 fi
3958
3959 ##########################################
3960 # rbd probe
3961 if test "$rbd" != "no" ; then
3962   cat > $TMPC <<EOF
3963 #include <stdio.h>
3964 #include <rbd/librbd.h>
3965 int main(void) {
3966     rados_t cluster;
3967     rados_create(&cluster, NULL);
3968     return 0;
3969 }
3970 EOF
3971   rbd_libs="-lrbd -lrados"
3972   if compile_prog "" "$rbd_libs" ; then
3973     rbd=yes
3974   else
3975     if test "$rbd" = "yes" ; then
3976       feature_not_found "rados block device" "Install librbd/ceph devel"
3977     fi
3978     rbd=no
3979   fi
3980 fi
3981
3982 ##########################################
3983 # libssh probe
3984 if test "$libssh" != "no" ; then
3985   if $pkg_config --exists libssh; then
3986     libssh_cflags=$($pkg_config libssh --cflags)
3987     libssh_libs=$($pkg_config libssh --libs)
3988     libssh=yes
3989   else
3990     if test "$libssh" = "yes" ; then
3991       error_exit "libssh required for --enable-libssh"
3992     fi
3993     libssh=no
3994   fi
3995 fi
3996
3997 ##########################################
3998 # Check for libssh 0.8
3999 # This is done like this instead of using the LIBSSH_VERSION_* and
4000 # SSH_VERSION_* macros because some distributions in the past shipped
4001 # snapshots of the future 0.8 from Git, and those snapshots did not
4002 # have updated version numbers (still referring to 0.7.0).
4003
4004 if test "$libssh" = "yes"; then
4005   cat > $TMPC <<EOF
4006 #include <libssh/libssh.h>
4007 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
4008 EOF
4009   if compile_prog "$libssh_cflags" "$libssh_libs"; then
4010     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
4011   fi
4012 fi
4013
4014 ##########################################
4015 # linux-aio probe
4016
4017 if test "$linux_aio" != "no" ; then
4018   cat > $TMPC <<EOF
4019 #include <libaio.h>
4020 #include <sys/eventfd.h>
4021 #include <stddef.h>
4022 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4023 EOF
4024   if compile_prog "" "-laio" ; then
4025     linux_aio=yes
4026   else
4027     if test "$linux_aio" = "yes" ; then
4028       feature_not_found "linux AIO" "Install libaio devel"
4029     fi
4030     linux_aio=no
4031   fi
4032 fi
4033
4034 ##########################################
4035 # TPM emulation is only on POSIX
4036
4037 if test "$tpm" = ""; then
4038   if test "$mingw32" = "yes"; then
4039     tpm=no
4040   else
4041     tpm=yes
4042   fi
4043 elif test "$tpm" = "yes"; then
4044   if test "$mingw32" = "yes" ; then
4045     error_exit "TPM emulation only available on POSIX systems"
4046   fi
4047 fi
4048
4049 ##########################################
4050 # attr probe
4051
4052 if test "$attr" != "no" ; then
4053   cat > $TMPC <<EOF
4054 #include <stdio.h>
4055 #include <sys/types.h>
4056 #ifdef CONFIG_LIBATTR
4057 #include <attr/xattr.h>
4058 #else
4059 #include <sys/xattr.h>
4060 #endif
4061 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4062 EOF
4063   if compile_prog "" "" ; then
4064     attr=yes
4065   # Older distros have <attr/xattr.h>, and need -lattr:
4066   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4067     attr=yes
4068     LIBS="-lattr $LIBS"
4069     libattr=yes
4070   else
4071     if test "$attr" = "yes" ; then
4072       feature_not_found "ATTR" "Install libc6 or libattr devel"
4073     fi
4074     attr=no
4075   fi
4076 fi
4077
4078 ##########################################
4079 # iovec probe
4080 cat > $TMPC <<EOF
4081 #include <sys/types.h>
4082 #include <sys/uio.h>
4083 #include <unistd.h>
4084 int main(void) { return sizeof(struct iovec); }
4085 EOF
4086 iovec=no
4087 if compile_prog "" "" ; then
4088   iovec=yes
4089 fi
4090
4091 ##########################################
4092 # preadv probe
4093 cat > $TMPC <<EOF
4094 #include <sys/types.h>
4095 #include <sys/uio.h>
4096 #include <unistd.h>
4097 int main(void) { return preadv(0, 0, 0, 0); }
4098 EOF
4099 preadv=no
4100 if compile_prog "" "" ; then
4101   preadv=yes
4102 fi
4103
4104 ##########################################
4105 # fdt probe
4106 # fdt support is mandatory for at least some target architectures,
4107 # so insist on it if we're building those system emulators.
4108 fdt_required=no
4109 for target in $target_list; do
4110   case $target in
4111     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4112       fdt_required=yes
4113     ;;
4114   esac
4115 done
4116
4117 if test "$fdt_required" = "yes"; then
4118   if test "$fdt" = "no"; then
4119     error_exit "fdt disabled but some requested targets require it." \
4120       "You can turn off fdt only if you also disable all the system emulation" \
4121       "targets which need it (by specifying a cut down --target-list)."
4122   fi
4123   fdt=yes
4124 fi
4125
4126 if test "$fdt" != "no" ; then
4127   fdt_libs="-lfdt"
4128   # explicitly check for libfdt_env.h as it is missing in some stable installs
4129   # and test for required functions to make sure we are on a version >= 1.4.2
4130   cat > $TMPC << EOF
4131 #include <libfdt.h>
4132 #include <libfdt_env.h>
4133 int main(void) { fdt_check_full(NULL, 0); return 0; }
4134 EOF
4135   if compile_prog "" "$fdt_libs" ; then
4136     # system DTC is good - use it
4137     fdt=system
4138   else
4139       # have GIT checkout, so activate dtc submodule
4140       if test -e "${source_path}/.git" ; then
4141           git_submodules="${git_submodules} dtc"
4142       fi
4143       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4144           fdt=git
4145           mkdir -p dtc
4146           if [ "$pwd_is_source_path" != "y" ] ; then
4147               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4148               symlink "$source_path/dtc/scripts" "dtc/scripts"
4149           fi
4150           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4151           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4152           fdt_libs="$fdt_libs"
4153       elif test "$fdt" = "yes" ; then
4154           # Not a git build & no libfdt found, prompt for system install
4155           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4156                      "Please install the DTC (libfdt) devel package"
4157       else
4158           # don't have and don't want
4159           fdt_libs=
4160           fdt=no
4161       fi
4162   fi
4163 fi
4164
4165 libs_softmmu="$libs_softmmu $fdt_libs"
4166
4167 ##########################################
4168 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4169
4170 gbm="no"
4171 if $pkg_config gbm; then
4172     gbm_cflags="$($pkg_config --cflags gbm)"
4173     gbm_libs="$($pkg_config --libs gbm)"
4174     gbm="yes"
4175 fi
4176
4177 if test "$opengl" != "no" ; then
4178   opengl_pkgs="epoxy gbm"
4179   if $pkg_config $opengl_pkgs; then
4180     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4181     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4182     opengl=yes
4183     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4184         gtk_gl="yes"
4185     fi
4186     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4187   else
4188     if test "$opengl" = "yes" ; then
4189       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4190     fi
4191     opengl_cflags=""
4192     opengl_libs=""
4193     opengl=no
4194   fi
4195 fi
4196
4197 if test "$opengl" = "yes"; then
4198   cat > $TMPC << EOF
4199 #include <epoxy/egl.h>
4200 #ifndef EGL_MESA_image_dma_buf_export
4201 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4202 #endif
4203 int main(void) { return 0; }
4204 EOF
4205   if compile_prog "" "" ; then
4206     opengl_dmabuf=yes
4207   fi
4208 fi
4209
4210 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4211   for target in $target_list; do
4212     case $target in
4213       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4214         need_x11=yes
4215       ;;
4216     esac
4217   done
4218 fi
4219
4220 ##########################################
4221 # libxml2 probe
4222 if test "$libxml2" != "no" ; then
4223     if $pkg_config --exists libxml-2.0; then
4224         libxml2="yes"
4225         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4226         libxml2_libs=$($pkg_config --libs libxml-2.0)
4227     else
4228         if test "$libxml2" = "yes"; then
4229             feature_not_found "libxml2" "Install libxml2 devel"
4230         fi
4231         libxml2="no"
4232     fi
4233 fi
4234
4235 ##########################################
4236 # glusterfs probe
4237 if test "$glusterfs" != "no" ; then
4238   if $pkg_config --atleast-version=3 glusterfs-api; then
4239     glusterfs="yes"
4240     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4241     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4242     if $pkg_config --atleast-version=4 glusterfs-api; then
4243       glusterfs_xlator_opt="yes"
4244     fi
4245     if $pkg_config --atleast-version=5 glusterfs-api; then
4246       glusterfs_discard="yes"
4247     fi
4248     if $pkg_config --atleast-version=6 glusterfs-api; then
4249       glusterfs_fallocate="yes"
4250       glusterfs_zerofill="yes"
4251     fi
4252     cat > $TMPC << EOF
4253 #include <glusterfs/api/glfs.h>
4254
4255 int
4256 main(void)
4257 {
4258         /* new glfs_ftruncate() passes two additional args */
4259         return glfs_ftruncate(NULL, 0, NULL, NULL);
4260 }
4261 EOF
4262     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4263       glusterfs_ftruncate_has_stat="yes"
4264     fi
4265     cat > $TMPC << EOF
4266 #include <glusterfs/api/glfs.h>
4267
4268 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4269 static void
4270 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4271 {}
4272
4273 int
4274 main(void)
4275 {
4276         glfs_io_cbk iocb = &glusterfs_iocb;
4277         iocb(NULL, 0 , NULL, NULL, NULL);
4278         return 0;
4279 }
4280 EOF
4281     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4282       glusterfs_iocb_has_stat="yes"
4283     fi
4284   else
4285     if test "$glusterfs" = "yes" ; then
4286       feature_not_found "GlusterFS backend support" \
4287           "Install glusterfs-api devel >= 3"
4288     fi
4289     glusterfs="no"
4290   fi
4291 fi
4292
4293 # Check for inotify functions when we are building linux-user
4294 # emulator.  This is done because older glibc versions don't
4295 # have syscall stubs for these implemented.  In that case we
4296 # don't provide them even if kernel supports them.
4297 #
4298 inotify=no
4299 cat > $TMPC << EOF
4300 #include <sys/inotify.h>
4301
4302 int
4303 main(void)
4304 {
4305         /* try to start inotify */
4306         return inotify_init();
4307 }
4308 EOF
4309 if compile_prog "" "" ; then
4310   inotify=yes
4311 fi
4312
4313 inotify1=no
4314 cat > $TMPC << EOF
4315 #include <sys/inotify.h>
4316
4317 int
4318 main(void)
4319 {
4320     /* try to start inotify */
4321     return inotify_init1(0);
4322 }
4323 EOF
4324 if compile_prog "" "" ; then
4325   inotify1=yes
4326 fi
4327
4328 # check if pipe2 is there
4329 pipe2=no
4330 cat > $TMPC << EOF
4331 #include <unistd.h>
4332 #include <fcntl.h>
4333
4334 int main(void)
4335 {
4336     int pipefd[2];
4337     return pipe2(pipefd, O_CLOEXEC);
4338 }
4339 EOF
4340 if compile_prog "" "" ; then
4341   pipe2=yes
4342 fi
4343
4344 # check if accept4 is there
4345 accept4=no
4346 cat > $TMPC << EOF
4347 #include <sys/socket.h>
4348 #include <stddef.h>
4349
4350 int main(void)
4351 {
4352     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4353     return 0;
4354 }
4355 EOF
4356 if compile_prog "" "" ; then
4357   accept4=yes
4358 fi
4359
4360 # check if tee/splice is there. vmsplice was added same time.
4361 splice=no
4362 cat > $TMPC << EOF
4363 #include <unistd.h>
4364 #include <fcntl.h>
4365 #include <limits.h>
4366
4367 int main(void)
4368 {
4369     int len, fd = 0;
4370     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4371     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4372     return 0;
4373 }
4374 EOF
4375 if compile_prog "" "" ; then
4376   splice=yes
4377 fi
4378
4379 ##########################################
4380 # libnuma probe
4381
4382 if test "$numa" != "no" ; then
4383   cat > $TMPC << EOF
4384 #include <numa.h>
4385 int main(void) { return numa_available(); }
4386 EOF
4387
4388   if compile_prog "" "-lnuma" ; then
4389     numa=yes
4390     libs_softmmu="-lnuma $libs_softmmu"
4391   else
4392     if test "$numa" = "yes" ; then
4393       feature_not_found "numa" "install numactl devel"
4394     fi
4395     numa=no
4396   fi
4397 fi
4398
4399 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4400     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4401     exit 1
4402 fi
4403
4404 # Even if malloc_trim() is available, these non-libc memory allocators
4405 # do not support it.
4406 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4407     if test "$malloc_trim" = "yes" ; then
4408         echo "Disabling malloc_trim with non-libc memory allocator"
4409     fi
4410     malloc_trim="no"
4411 fi
4412
4413 #######################################
4414 # malloc_trim
4415
4416 if test "$malloc_trim" != "no" ; then
4417     cat > $TMPC << EOF
4418 #include <malloc.h>
4419 int main(void) { malloc_trim(0); return 0; }
4420 EOF
4421     if compile_prog "" "" ; then
4422         malloc_trim="yes"
4423     else
4424         malloc_trim="no"
4425     fi
4426 fi
4427
4428 ##########################################
4429 # tcmalloc probe
4430
4431 if test "$tcmalloc" = "yes" ; then
4432   cat > $TMPC << EOF
4433 #include <stdlib.h>
4434 int main(void) { malloc(1); return 0; }
4435 EOF
4436
4437   if compile_prog "" "-ltcmalloc" ; then
4438     LIBS="-ltcmalloc $LIBS"
4439   else
4440     feature_not_found "tcmalloc" "install gperftools devel"
4441   fi
4442 fi
4443
4444 ##########################################
4445 # jemalloc probe
4446
4447 if test "$jemalloc" = "yes" ; then
4448   cat > $TMPC << EOF
4449 #include <stdlib.h>
4450 int main(void) { malloc(1); return 0; }
4451 EOF
4452
4453   if compile_prog "" "-ljemalloc" ; then
4454     LIBS="-ljemalloc $LIBS"
4455   else
4456     feature_not_found "jemalloc" "install jemalloc devel"
4457   fi
4458 fi
4459
4460 ##########################################
4461 # signalfd probe
4462 signalfd="no"
4463 cat > $TMPC << EOF
4464 #include <unistd.h>
4465 #include <sys/syscall.h>
4466 #include <signal.h>
4467 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4468 EOF
4469
4470 if compile_prog "" "" ; then
4471   signalfd=yes
4472 fi
4473
4474 # check if optreset global is declared by <getopt.h>
4475 optreset="no"
4476 cat > $TMPC << EOF
4477 #include <getopt.h>
4478 int main(void) { return optreset; }
4479 EOF
4480
4481 if compile_prog "" "" ; then
4482   optreset=yes
4483 fi
4484
4485 # check if eventfd is supported
4486 eventfd=no
4487 cat > $TMPC << EOF
4488 #include <sys/eventfd.h>
4489
4490 int main(void)
4491 {
4492     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4493 }
4494 EOF
4495 if compile_prog "" "" ; then
4496   eventfd=yes
4497 fi
4498
4499 # check if memfd is supported
4500 memfd=no
4501 cat > $TMPC << EOF
4502 #include <sys/mman.h>
4503
4504 int main(void)
4505 {
4506     return memfd_create("foo", MFD_ALLOW_SEALING);
4507 }
4508 EOF
4509 if compile_prog "" "" ; then
4510   memfd=yes
4511 fi
4512
4513 # check for usbfs
4514 have_usbfs=no
4515 if test "$linux_user" = "yes"; then
4516   cat > $TMPC << EOF
4517 #include <linux/usbdevice_fs.h>
4518
4519 #ifndef USBDEVFS_GET_CAPABILITIES
4520 #error "USBDEVFS_GET_CAPABILITIES undefined"
4521 #endif
4522
4523 #ifndef USBDEVFS_DISCONNECT_CLAIM
4524 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4525 #endif
4526
4527 int main(void)
4528 {
4529     return 0;
4530 }
4531 EOF
4532   if compile_prog "" ""; then
4533     have_usbfs=yes
4534   fi
4535 fi
4536
4537 # check for fallocate
4538 fallocate=no
4539 cat > $TMPC << EOF
4540 #include <fcntl.h>
4541
4542 int main(void)
4543 {
4544     fallocate(0, 0, 0, 0);
4545     return 0;
4546 }
4547 EOF
4548 if compile_prog "" "" ; then
4549   fallocate=yes
4550 fi
4551
4552 # check for fallocate hole punching
4553 fallocate_punch_hole=no
4554 cat > $TMPC << EOF
4555 #include <fcntl.h>
4556 #include <linux/falloc.h>
4557
4558 int main(void)
4559 {
4560     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4561     return 0;
4562 }
4563 EOF
4564 if compile_prog "" "" ; then
4565   fallocate_punch_hole=yes
4566 fi
4567
4568 # check that fallocate supports range zeroing inside the file
4569 fallocate_zero_range=no
4570 cat > $TMPC << EOF
4571 #include <fcntl.h>
4572 #include <linux/falloc.h>
4573
4574 int main(void)
4575 {
4576     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4577     return 0;
4578 }
4579 EOF
4580 if compile_prog "" "" ; then
4581   fallocate_zero_range=yes
4582 fi
4583
4584 # check for posix_fallocate
4585 posix_fallocate=no
4586 cat > $TMPC << EOF
4587 #include <fcntl.h>
4588
4589 int main(void)
4590 {
4591     posix_fallocate(0, 0, 0);
4592     return 0;
4593 }
4594 EOF
4595 if compile_prog "" "" ; then
4596     posix_fallocate=yes
4597 fi
4598
4599 # check for sync_file_range
4600 sync_file_range=no
4601 cat > $TMPC << EOF
4602 #include <fcntl.h>
4603
4604 int main(void)
4605 {
4606     sync_file_range(0, 0, 0, 0);
4607     return 0;
4608 }
4609 EOF
4610 if compile_prog "" "" ; then
4611   sync_file_range=yes
4612 fi
4613
4614 # check for linux/fiemap.h and FS_IOC_FIEMAP
4615 fiemap=no
4616 cat > $TMPC << EOF
4617 #include <sys/ioctl.h>
4618 #include <linux/fs.h>
4619 #include <linux/fiemap.h>
4620
4621 int main(void)
4622 {
4623     ioctl(0, FS_IOC_FIEMAP, 0);
4624     return 0;
4625 }
4626 EOF
4627 if compile_prog "" "" ; then
4628   fiemap=yes
4629 fi
4630
4631 # check for dup3
4632 dup3=no
4633 cat > $TMPC << EOF
4634 #include <unistd.h>
4635
4636 int main(void)
4637 {
4638     dup3(0, 0, 0);
4639     return 0;
4640 }
4641 EOF
4642 if compile_prog "" "" ; then
4643   dup3=yes
4644 fi
4645
4646 # check for ppoll support
4647 ppoll=no
4648 cat > $TMPC << EOF
4649 #include <poll.h>
4650
4651 int main(void)
4652 {
4653     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4654     ppoll(&pfd, 1, 0, 0);
4655     return 0;
4656 }
4657 EOF
4658 if compile_prog "" "" ; then
4659   ppoll=yes
4660 fi
4661
4662 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4663 prctl_pr_set_timerslack=no
4664 cat > $TMPC << EOF
4665 #include <sys/prctl.h>
4666
4667 int main(void)
4668 {
4669     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4670     return 0;
4671 }
4672 EOF
4673 if compile_prog "" "" ; then
4674   prctl_pr_set_timerslack=yes
4675 fi
4676
4677 # check for epoll support
4678 epoll=no
4679 cat > $TMPC << EOF
4680 #include <sys/epoll.h>
4681
4682 int main(void)
4683 {
4684     epoll_create(0);
4685     return 0;
4686 }
4687 EOF
4688 if compile_prog "" "" ; then
4689   epoll=yes
4690 fi
4691
4692 # epoll_create1 is a later addition
4693 # so we must check separately for its presence
4694 epoll_create1=no
4695 cat > $TMPC << EOF
4696 #include <sys/epoll.h>
4697
4698 int main(void)
4699 {
4700     /* Note that we use epoll_create1 as a value, not as
4701      * a function being called. This is necessary so that on
4702      * old SPARC glibc versions where the function was present in
4703      * the library but not declared in the header file we will
4704      * fail the configure check. (Otherwise we will get a compiler
4705      * warning but not an error, and will proceed to fail the
4706      * qemu compile where we compile with -Werror.)
4707      */
4708     return (int)(uintptr_t)&epoll_create1;
4709 }
4710 EOF
4711 if compile_prog "" "" ; then
4712   epoll_create1=yes
4713 fi
4714
4715 # check for sendfile support
4716 sendfile=no
4717 cat > $TMPC << EOF
4718 #include <sys/sendfile.h>
4719
4720 int main(void)
4721 {
4722     return sendfile(0, 0, 0, 0);
4723 }
4724 EOF
4725 if compile_prog "" "" ; then
4726   sendfile=yes
4727 fi
4728
4729 # check for timerfd support (glibc 2.8 and newer)
4730 timerfd=no
4731 cat > $TMPC << EOF
4732 #include <sys/timerfd.h>
4733
4734 int main(void)
4735 {
4736     return(timerfd_create(CLOCK_REALTIME, 0));
4737 }
4738 EOF
4739 if compile_prog "" "" ; then
4740   timerfd=yes
4741 fi
4742
4743 # check for setns and unshare support
4744 setns=no
4745 cat > $TMPC << EOF
4746 #include <sched.h>
4747
4748 int main(void)
4749 {
4750     int ret;
4751     ret = setns(0, 0);
4752     ret = unshare(0);
4753     return ret;
4754 }
4755 EOF
4756 if compile_prog "" "" ; then
4757   setns=yes
4758 fi
4759
4760 # clock_adjtime probe
4761 clock_adjtime=no
4762 cat > $TMPC <<EOF
4763 #include <time.h>
4764
4765 int main(void)
4766 {
4767     return clock_adjtime(0, 0);
4768 }
4769 EOF
4770 clock_adjtime=no
4771 if compile_prog "" "" ; then
4772   clock_adjtime=yes
4773 fi
4774
4775 # syncfs probe
4776 syncfs=no
4777 cat > $TMPC <<EOF
4778 #include <unistd.h>
4779
4780 int main(void)
4781 {
4782     return syncfs(0);
4783 }
4784 EOF
4785 syncfs=no
4786 if compile_prog "" "" ; then
4787   syncfs=yes
4788 fi
4789
4790 # Check we have a new enough version of sphinx-build
4791 has_sphinx_build() {
4792     # This is a bit awkward but works: create a trivial document and
4793     # try to run it with our configuration file (which enforces a
4794     # version requirement). This will fail if either
4795     # sphinx-build doesn't exist at all or if it is too old.
4796     mkdir -p "$TMPDIR1/sphinx"
4797     touch "$TMPDIR1/sphinx/index.rst"
4798     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4799 }
4800
4801 # Check if tools are available to build documentation.
4802 if test "$docs" != "no" ; then
4803   if has makeinfo && has pod2man && has_sphinx_build; then
4804     docs=yes
4805   else
4806     if test "$docs" = "yes" ; then
4807       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4808     fi
4809     docs=no
4810   fi
4811 fi
4812
4813 # Search for bswap_32 function
4814 byteswap_h=no
4815 cat > $TMPC << EOF
4816 #include <byteswap.h>
4817 int main(void) { return bswap_32(0); }
4818 EOF
4819 if compile_prog "" "" ; then
4820   byteswap_h=yes
4821 fi
4822
4823 # Search for bswap32 function
4824 bswap_h=no
4825 cat > $TMPC << EOF
4826 #include <sys/endian.h>
4827 #include <sys/types.h>
4828 #include <machine/bswap.h>
4829 int main(void) { return bswap32(0); }
4830 EOF
4831 if compile_prog "" "" ; then
4832   bswap_h=yes
4833 fi
4834
4835 ##########################################
4836 # Do we have libiscsi >= 1.9.0
4837 if test "$libiscsi" != "no" ; then
4838   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4839     libiscsi="yes"
4840     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4841     libiscsi_libs=$($pkg_config --libs libiscsi)
4842   else
4843     if test "$libiscsi" = "yes" ; then
4844       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4845     fi
4846     libiscsi="no"
4847   fi
4848 fi
4849
4850 ##########################################
4851 # Do we need libm
4852 cat > $TMPC << EOF
4853 #include <math.h>
4854 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4855 EOF
4856 if compile_prog "" "" ; then
4857   :
4858 elif compile_prog "" "-lm" ; then
4859   LIBS="-lm $LIBS"
4860   libs_qga="-lm $libs_qga"
4861 else
4862   error_exit "libm check failed"
4863 fi
4864
4865 ##########################################
4866 # Do we need librt
4867 # uClibc provides 2 versions of clock_gettime(), one with realtime
4868 # support and one without. This means that the clock_gettime() don't
4869 # need -lrt. We still need it for timer_create() so we check for this
4870 # function in addition.
4871 cat > $TMPC <<EOF
4872 #include <signal.h>
4873 #include <time.h>
4874 int main(void) {
4875   timer_create(CLOCK_REALTIME, NULL, NULL);
4876   return clock_gettime(CLOCK_REALTIME, NULL);
4877 }
4878 EOF
4879
4880 if compile_prog "" "" ; then
4881   :
4882 # we need pthread for static linking. use previous pthread test result
4883 elif compile_prog "" "$pthread_lib -lrt" ; then
4884   LIBS="$LIBS -lrt"
4885   libs_qga="$libs_qga -lrt"
4886 fi
4887
4888 # Check whether we need to link libutil for openpty()
4889 cat > $TMPC << EOF
4890 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4891 int main(void) { return openpty(0, 0, 0, 0, 0); }
4892 EOF
4893
4894 if ! compile_prog "" "" ; then
4895   if compile_prog "" "-lutil" ; then
4896     libs_softmmu="-lutil $libs_softmmu"
4897     libs_tools="-lutil $libs_tools"
4898   fi
4899 fi
4900
4901 ##########################################
4902 # spice probe
4903 if test "$spice" != "no" ; then
4904   cat > $TMPC << EOF
4905 #include <spice.h>
4906 int main(void) { spice_server_new(); return 0; }
4907 EOF
4908   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4909   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4910   if $pkg_config --atleast-version=0.12.5 spice-server && \
4911      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4912      compile_prog "$spice_cflags" "$spice_libs" ; then
4913     spice="yes"
4914     libs_softmmu="$libs_softmmu $spice_libs"
4915     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4916     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4917     spice_server_version=$($pkg_config --modversion spice-server)
4918   else
4919     if test "$spice" = "yes" ; then
4920       feature_not_found "spice" \
4921           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4922     fi
4923     spice="no"
4924   fi
4925 fi
4926
4927 # check for smartcard support
4928 if test "$smartcard" != "no"; then
4929     if $pkg_config --atleast-version=2.5.1 libcacard; then
4930         libcacard_cflags=$($pkg_config --cflags libcacard)
4931         libcacard_libs=$($pkg_config --libs libcacard)
4932         smartcard="yes"
4933     else
4934         if test "$smartcard" = "yes"; then
4935             feature_not_found "smartcard" "Install libcacard devel"
4936         fi
4937         smartcard="no"
4938     fi
4939 fi
4940
4941 # check for libusb
4942 if test "$libusb" != "no" ; then
4943     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4944         libusb="yes"
4945         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4946         libusb_libs=$($pkg_config --libs libusb-1.0)
4947     else
4948         if test "$libusb" = "yes"; then
4949             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4950         fi
4951         libusb="no"
4952     fi
4953 fi
4954
4955 # check for usbredirparser for usb network redirection support
4956 if test "$usb_redir" != "no" ; then
4957     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4958         usb_redir="yes"
4959         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4960         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4961     else
4962         if test "$usb_redir" = "yes"; then
4963             feature_not_found "usb-redir" "Install usbredir devel"
4964         fi
4965         usb_redir="no"
4966     fi
4967 fi
4968
4969 ##########################################
4970 # check if we have VSS SDK headers for win
4971
4972 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4973         test "$vss_win32_sdk" != "no" ; then
4974   case "$vss_win32_sdk" in
4975     "")   vss_win32_include="-isystem $source_path" ;;
4976     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4977           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4978           vss_win32_include="-isystem $source_path/.sdk/vss"
4979           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4980           ;;
4981     *)    vss_win32_include="-isystem $vss_win32_sdk"
4982   esac
4983   cat > $TMPC << EOF
4984 #define __MIDL_user_allocate_free_DEFINED__
4985 #include <inc/win2003/vss.h>
4986 int main(void) { return VSS_CTX_BACKUP; }
4987 EOF
4988   if compile_prog "$vss_win32_include" "" ; then
4989     guest_agent_with_vss="yes"
4990     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4991     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4992     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4993   else
4994     if test "$vss_win32_sdk" != "" ; then
4995       echo "ERROR: Please download and install Microsoft VSS SDK:"
4996       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4997       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4998       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4999       echo "ERROR: The headers are extracted in the directory \`inc'."
5000       feature_not_found "VSS support"
5001     fi
5002     guest_agent_with_vss="no"
5003   fi
5004 fi
5005
5006 ##########################################
5007 # lookup Windows platform SDK (if not specified)
5008 # The SDK is needed only to build .tlb (type library) file of guest agent
5009 # VSS provider from the source. It is usually unnecessary because the
5010 # pre-compiled .tlb file is included.
5011
5012 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5013         test "$guest_agent_with_vss" = "yes" ; then
5014   if test -z "$win_sdk"; then
5015     programfiles="$PROGRAMFILES"
5016     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5017     if test -n "$programfiles"; then
5018       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5019     else
5020       feature_not_found "Windows SDK"
5021     fi
5022   elif test "$win_sdk" = "no"; then
5023     win_sdk=""
5024   fi
5025 fi
5026
5027 ##########################################
5028 # check if mingw environment provides a recent ntddscsi.h
5029 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5030   cat > $TMPC << EOF
5031 #include <windows.h>
5032 #include <ntddscsi.h>
5033 int main(void) {
5034 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5035 #error Missing required ioctl definitions
5036 #endif
5037   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5038   return addr.Lun;
5039 }
5040 EOF
5041   if compile_prog "" "" ; then
5042     guest_agent_ntddscsi=yes
5043     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5044   fi
5045 fi
5046
5047 ##########################################
5048 # virgl renderer probe
5049
5050 if test "$virglrenderer" != "no" ; then
5051   cat > $TMPC << EOF
5052 #include <virglrenderer.h>
5053 int main(void) { virgl_renderer_poll(); return 0; }
5054 EOF
5055   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5056   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5057   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5058   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5059      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5060     virglrenderer="yes"
5061   else
5062     if test "$virglrenderer" = "yes" ; then
5063       feature_not_found "virglrenderer"
5064     fi
5065     virglrenderer="no"
5066   fi
5067 fi
5068
5069 ##########################################
5070 # capstone
5071
5072 case "$capstone" in
5073   "" | yes)
5074     if $pkg_config capstone; then
5075       capstone=system
5076     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5077       capstone=git
5078     elif test -e "${source_path}/capstone/Makefile" ; then
5079       capstone=internal
5080     elif test -z "$capstone" ; then
5081       capstone=no
5082     else
5083       feature_not_found "capstone" "Install capstone devel or git submodule"
5084     fi
5085     ;;
5086
5087   system)
5088     if ! $pkg_config capstone; then
5089       feature_not_found "capstone" "Install capstone devel"
5090     fi
5091     ;;
5092 esac
5093
5094 case "$capstone" in
5095   git | internal)
5096     if test "$capstone" = git; then
5097       git_submodules="${git_submodules} capstone"
5098     fi
5099     mkdir -p capstone
5100     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5101     if test "$mingw32" = "yes"; then
5102       LIBCAPSTONE=capstone.lib
5103     else
5104       LIBCAPSTONE=libcapstone.a
5105     fi
5106     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5107     ;;
5108
5109   system)
5110     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5111     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5112     ;;
5113
5114   no)
5115     ;;
5116   *)
5117     error_exit "Unknown state for capstone: $capstone"
5118     ;;
5119 esac
5120
5121 ##########################################
5122 # check if we have fdatasync
5123
5124 fdatasync=no
5125 cat > $TMPC << EOF
5126 #include <unistd.h>
5127 int main(void) {
5128 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5129 return fdatasync(0);
5130 #else
5131 #error Not supported
5132 #endif
5133 }
5134 EOF
5135 if compile_prog "" "" ; then
5136     fdatasync=yes
5137 fi
5138
5139 ##########################################
5140 # check if we have madvise
5141
5142 madvise=no
5143 cat > $TMPC << EOF
5144 #include <sys/types.h>
5145 #include <sys/mman.h>
5146 #include <stddef.h>
5147 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5148 EOF
5149 if compile_prog "" "" ; then
5150     madvise=yes
5151 fi
5152
5153 ##########################################
5154 # check if we have posix_madvise
5155
5156 posix_madvise=no
5157 cat > $TMPC << EOF
5158 #include <sys/mman.h>
5159 #include <stddef.h>
5160 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5161 EOF
5162 if compile_prog "" "" ; then
5163     posix_madvise=yes
5164 fi
5165
5166 ##########################################
5167 # check if we have posix_memalign()
5168
5169 posix_memalign=no
5170 cat > $TMPC << EOF
5171 #include <stdlib.h>
5172 int main(void) {
5173     void *p;
5174     return posix_memalign(&p, 8, 8);
5175 }
5176 EOF
5177 if compile_prog "" "" ; then
5178     posix_memalign=yes
5179 fi
5180
5181 ##########################################
5182 # check if we have posix_syslog
5183
5184 posix_syslog=no
5185 cat > $TMPC << EOF
5186 #include <syslog.h>
5187 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5188 EOF
5189 if compile_prog "" "" ; then
5190     posix_syslog=yes
5191 fi
5192
5193 ##########################################
5194 # check if we have sem_timedwait
5195
5196 sem_timedwait=no
5197 cat > $TMPC << EOF
5198 #include <semaphore.h>
5199 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5200 EOF
5201 if compile_prog "" "" ; then
5202     sem_timedwait=yes
5203 fi
5204
5205 ##########################################
5206 # check if we have strchrnul
5207
5208 strchrnul=no
5209 cat > $TMPC << EOF
5210 #include <string.h>
5211 int main(void);
5212 // Use a haystack that the compiler shouldn't be able to constant fold
5213 char *haystack = (char*)&main;
5214 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5215 EOF
5216 if compile_prog "" "" ; then
5217     strchrnul=yes
5218 fi
5219
5220 ##########################################
5221 # check if trace backend exists
5222
5223 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5224 if test "$?" -ne 0 ; then
5225   error_exit "invalid trace backends" \
5226       "Please choose supported trace backends."
5227 fi
5228
5229 ##########################################
5230 # For 'ust' backend, test if ust headers are present
5231 if have_backend "ust"; then
5232   cat > $TMPC << EOF
5233 #include <lttng/tracepoint.h>
5234 int main(void) { return 0; }
5235 EOF
5236   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5237     if $pkg_config lttng-ust --exists; then
5238       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5239     else
5240       lttng_ust_libs="-llttng-ust -ldl"
5241     fi
5242     if $pkg_config liburcu-bp --exists; then
5243       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5244     else
5245       urcu_bp_libs="-lurcu-bp"
5246     fi
5247
5248     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5249     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5250   else
5251     error_exit "Trace backend 'ust' missing lttng-ust header files"
5252   fi
5253 fi
5254
5255 ##########################################
5256 # For 'dtrace' backend, test if 'dtrace' command is present
5257 if have_backend "dtrace"; then
5258   if ! has 'dtrace' ; then
5259     error_exit "dtrace command is not found in PATH $PATH"
5260   fi
5261   trace_backend_stap="no"
5262   if has 'stap' ; then
5263     trace_backend_stap="yes"
5264   fi
5265 fi
5266
5267 ##########################################
5268 # check and set a backend for coroutine
5269
5270 # We prefer ucontext, but it's not always possible. The fallback
5271 # is sigcontext. On Windows the only valid backend is the Windows
5272 # specific one.
5273
5274 ucontext_works=no
5275 if test "$darwin" != "yes"; then
5276   cat > $TMPC << EOF
5277 #include <ucontext.h>
5278 #ifdef __stub_makecontext
5279 #error Ignoring glibc stub makecontext which will always fail
5280 #endif
5281 int main(void) { makecontext(0, 0, 0); return 0; }
5282 EOF
5283   if compile_prog "" "" ; then
5284     ucontext_works=yes
5285   fi
5286 fi
5287
5288 if test "$coroutine" = ""; then
5289   if test "$mingw32" = "yes"; then
5290     coroutine=win32
5291   elif test "$ucontext_works" = "yes"; then
5292     coroutine=ucontext
5293   else
5294     coroutine=sigaltstack
5295   fi
5296 else
5297   case $coroutine in
5298   windows)
5299     if test "$mingw32" != "yes"; then
5300       error_exit "'windows' coroutine backend only valid for Windows"
5301     fi
5302     # Unfortunately the user visible backend name doesn't match the
5303     # coroutine-*.c filename for this case, so we have to adjust it here.
5304     coroutine=win32
5305     ;;
5306   ucontext)
5307     if test "$ucontext_works" != "yes"; then
5308       feature_not_found "ucontext"
5309     fi
5310     ;;
5311   sigaltstack)
5312     if test "$mingw32" = "yes"; then
5313       error_exit "only the 'windows' coroutine backend is valid for Windows"
5314     fi
5315     ;;
5316   *)
5317     error_exit "unknown coroutine backend $coroutine"
5318     ;;
5319   esac
5320 fi
5321
5322 if test "$coroutine_pool" = ""; then
5323   coroutine_pool=yes
5324 fi
5325
5326 if test "$debug_stack_usage" = "yes"; then
5327   if test "$coroutine_pool" = "yes"; then
5328     echo "WARN: disabling coroutine pool for stack usage debugging"
5329     coroutine_pool=no
5330   fi
5331 fi
5332
5333
5334 ##########################################
5335 # check if we have open_by_handle_at
5336
5337 open_by_handle_at=no
5338 cat > $TMPC << EOF
5339 #include <fcntl.h>
5340 #if !defined(AT_EMPTY_PATH)
5341 # error missing definition
5342 #else
5343 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5344 #endif
5345 EOF
5346 if compile_prog "" "" ; then
5347     open_by_handle_at=yes
5348 fi
5349
5350 ########################################
5351 # check if we have linux/magic.h
5352
5353 linux_magic_h=no
5354 cat > $TMPC << EOF
5355 #include <linux/magic.h>
5356 int main(void) {
5357   return 0;
5358 }
5359 EOF
5360 if compile_prog "" "" ; then
5361     linux_magic_h=yes
5362 fi
5363
5364 ########################################
5365 # check whether we can disable warning option with a pragma (this is needed
5366 # to silence warnings in the headers of some versions of external libraries).
5367 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5368 # only a warning.
5369 #
5370 # If we can't selectively disable warning in the code, disable -Werror so that
5371 # the build doesn't fail anyway.
5372
5373 pragma_disable_unused_but_set=no
5374 cat > $TMPC << EOF
5375 #pragma GCC diagnostic push
5376 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5377 #pragma GCC diagnostic pop
5378
5379 int main(void) {
5380     return 0;
5381 }
5382 EOF
5383 if compile_prog "-Werror" "" ; then
5384     pragma_diagnostic_available=yes
5385 else
5386     werror=no
5387 fi
5388
5389 ########################################
5390 # check if we have valgrind/valgrind.h
5391
5392 valgrind_h=no
5393 cat > $TMPC << EOF
5394 #include <valgrind/valgrind.h>
5395 int main(void) {
5396   return 0;
5397 }
5398 EOF
5399 if compile_prog "" "" ; then
5400     valgrind_h=yes
5401 fi
5402
5403 ########################################
5404 # check if environ is declared
5405
5406 has_environ=no
5407 cat > $TMPC << EOF
5408 #include <unistd.h>
5409 int main(void) {
5410     environ = 0;
5411     return 0;
5412 }
5413 EOF
5414 if compile_prog "" "" ; then
5415     has_environ=yes
5416 fi
5417
5418 ########################################
5419 # check if cpuid.h is usable.
5420
5421 cat > $TMPC << EOF
5422 #include <cpuid.h>
5423 int main(void) {
5424     unsigned a, b, c, d;
5425     int max = __get_cpuid_max(0, 0);
5426
5427     if (max >= 1) {
5428         __cpuid(1, a, b, c, d);
5429     }
5430
5431     if (max >= 7) {
5432         __cpuid_count(7, 0, a, b, c, d);
5433     }
5434
5435     return 0;
5436 }
5437 EOF
5438 if compile_prog "" "" ; then
5439     cpuid_h=yes
5440 fi
5441
5442 ##########################################
5443 # avx2 optimization requirement check
5444 #
5445 # There is no point enabling this if cpuid.h is not usable,
5446 # since we won't be able to select the new routines.
5447
5448 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5449   cat > $TMPC << EOF
5450 #pragma GCC push_options
5451 #pragma GCC target("avx2")
5452 #include <cpuid.h>
5453 #include <immintrin.h>
5454 static int bar(void *a) {
5455     __m256i x = *(__m256i *)a;
5456     return _mm256_testz_si256(x, x);
5457 }
5458 int main(int argc, char *argv[]) { return bar(argv[0]); }
5459 EOF
5460   if compile_object "" ; then
5461     avx2_opt="yes"
5462   else
5463     avx2_opt="no"
5464   fi
5465 fi
5466
5467 ########################################
5468 # check if __[u]int128_t is usable.
5469
5470 int128=no
5471 cat > $TMPC << EOF
5472 __int128_t a;
5473 __uint128_t b;
5474 int main (void) {
5475   a = a + b;
5476   b = a * b;
5477   a = a * a;
5478   return 0;
5479 }
5480 EOF
5481 if compile_prog "" "" ; then
5482     int128=yes
5483 fi
5484
5485 #########################################
5486 # See if 128-bit atomic operations are supported.
5487
5488 atomic128=no
5489 if test "$int128" = "yes"; then
5490   cat > $TMPC << EOF
5491 int main(void)
5492 {
5493   unsigned __int128 x = 0, y = 0;
5494   y = __atomic_load_16(&x, 0);
5495   __atomic_store_16(&x, y, 0);
5496   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5497   return 0;
5498 }
5499 EOF
5500   if compile_prog "" "" ; then
5501     atomic128=yes
5502   fi
5503 fi
5504
5505 cmpxchg128=no
5506 if test "$int128" = yes && test "$atomic128" = no; then
5507   cat > $TMPC << EOF
5508 int main(void)
5509 {
5510   unsigned __int128 x = 0, y = 0;
5511   __sync_val_compare_and_swap_16(&x, y, x);
5512   return 0;
5513 }
5514 EOF
5515   if compile_prog "" "" ; then
5516     cmpxchg128=yes
5517   fi
5518 fi
5519
5520 #########################################
5521 # See if 64-bit atomic operations are supported.
5522 # Note that without __atomic builtins, we can only
5523 # assume atomic loads/stores max at pointer size.
5524
5525 cat > $TMPC << EOF
5526 #include <stdint.h>
5527 int main(void)
5528 {
5529   uint64_t x = 0, y = 0;
5530 #ifdef __ATOMIC_RELAXED
5531   y = __atomic_load_8(&x, 0);
5532   __atomic_store_8(&x, y, 0);
5533   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5534   __atomic_exchange_8(&x, y, 0);
5535   __atomic_fetch_add_8(&x, y, 0);
5536 #else
5537   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5538   __sync_lock_test_and_set(&x, y);
5539   __sync_val_compare_and_swap(&x, y, 0);
5540   __sync_fetch_and_add(&x, y);
5541 #endif
5542   return 0;
5543 }
5544 EOF
5545 if compile_prog "" "" ; then
5546   atomic64=yes
5547 fi
5548
5549 #########################################
5550 # See if --dynamic-list is supported by the linker
5551 ld_dynamic_list="no"
5552 if test "$static" = "no" ; then
5553     cat > $TMPTXT <<EOF
5554 {
5555   foo;
5556 };
5557 EOF
5558
5559     cat > $TMPC <<EOF
5560 #include <stdio.h>
5561 void foo(void);
5562
5563 void foo(void)
5564 {
5565   printf("foo\n");
5566 }
5567
5568 int main(void)
5569 {
5570   foo();
5571   return 0;
5572 }
5573 EOF
5574
5575     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5576         ld_dynamic_list="yes"
5577     fi
5578 fi
5579
5580 #########################################
5581 # See if -exported_symbols_list is supported by the linker
5582
5583 ld_exported_symbols_list="no"
5584 if test "$static" = "no" ; then
5585     cat > $TMPTXT <<EOF
5586   _foo
5587 EOF
5588
5589     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5590         ld_exported_symbols_list="yes"
5591     fi
5592 fi
5593
5594 if  test "$plugins" = "yes" &&
5595     test "$ld_dynamic_list" = "no" &&
5596     test "$ld_exported_symbols_list" = "no" ; then
5597   error_exit \
5598       "Plugin support requires dynamic linking and specifying a set of symbols " \
5599       "that are exported to plugins. Unfortunately your linker doesn't " \
5600       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5601       "for this purpose. You can't build with --static."
5602 fi
5603
5604 ########################################
5605 # See if 16-byte vector operations are supported.
5606 # Even without a vector unit the compiler may expand these.
5607 # There is a bug in old GCC for PPC that crashes here.
5608 # Unfortunately it's the system compiler for Centos 7.
5609
5610 cat > $TMPC << EOF
5611 typedef unsigned char U1 __attribute__((vector_size(16)));
5612 typedef unsigned short U2 __attribute__((vector_size(16)));
5613 typedef unsigned int U4 __attribute__((vector_size(16)));
5614 typedef unsigned long long U8 __attribute__((vector_size(16)));
5615 typedef signed char S1 __attribute__((vector_size(16)));
5616 typedef signed short S2 __attribute__((vector_size(16)));
5617 typedef signed int S4 __attribute__((vector_size(16)));
5618 typedef signed long long S8 __attribute__((vector_size(16)));
5619 static U1 a1, b1;
5620 static U2 a2, b2;
5621 static U4 a4, b4;
5622 static U8 a8, b8;
5623 static S1 c1;
5624 static S2 c2;
5625 static S4 c4;
5626 static S8 c8;
5627 static int i;
5628 void helper(void *d, void *a, int shift, int i);
5629 void helper(void *d, void *a, int shift, int i)
5630 {
5631   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5632   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5633   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5634   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5635 }
5636 int main(void)
5637 {
5638   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5639   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5640   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5641   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5642   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5643   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5644   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5645   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5646   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5647   return 0;
5648 }
5649 EOF
5650
5651 vector16=no
5652 if compile_prog "" "" ; then
5653   vector16=yes
5654 fi
5655
5656 ########################################
5657 # See if __attribute__((alias)) is supported.
5658 # This false for Xcode 9, but has been remedied for Xcode 10.
5659 # Unfortunately, travis uses Xcode 9 by default.
5660
5661 attralias=no
5662 cat > $TMPC << EOF
5663 int x = 1;
5664 extern const int y __attribute__((alias("x")));
5665 int main(void) { return 0; }
5666 EOF
5667 if compile_prog "" "" ; then
5668     attralias=yes
5669 fi
5670
5671 ########################################
5672 # check if getauxval is available.
5673
5674 getauxval=no
5675 cat > $TMPC << EOF
5676 #include <sys/auxv.h>
5677 int main(void) {
5678   return getauxval(AT_HWCAP) == 0;
5679 }
5680 EOF
5681 if compile_prog "" "" ; then
5682     getauxval=yes
5683 fi
5684
5685 ########################################
5686 # check if ccache is interfering with
5687 # semantic analysis of macros
5688
5689 unset CCACHE_CPP2
5690 ccache_cpp2=no
5691 cat > $TMPC << EOF
5692 static const int Z = 1;
5693 #define fn() ({ Z; })
5694 #define TAUT(X) ((X) == Z)
5695 #define PAREN(X, Y) (X == Y)
5696 #define ID(X) (X)
5697 int main(int argc, char *argv[])
5698 {
5699     int x = 0, y = 0;
5700     x = ID(x);
5701     x = fn();
5702     fn();
5703     if (PAREN(x, y)) return 0;
5704     if (TAUT(Z)) return 0;
5705     return 0;
5706 }
5707 EOF
5708
5709 if ! compile_object "-Werror"; then
5710     ccache_cpp2=yes
5711 fi
5712
5713 #################################################
5714 # clang does not support glibc + FORTIFY_SOURCE.
5715
5716 if test "$fortify_source" != "no"; then
5717   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5718     fortify_source="no";
5719   elif test -n "$cxx" && has $cxx &&
5720        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5721     fortify_source="no";
5722   else
5723     fortify_source="yes"
5724   fi
5725 fi
5726
5727 ###############################################
5728 # Check if copy_file_range is provided by glibc
5729 have_copy_file_range=no
5730 cat > $TMPC << EOF
5731 #include <unistd.h>
5732 int main(void) {
5733   copy_file_range(0, NULL, 0, NULL, 0, 0);
5734   return 0;
5735 }
5736 EOF
5737 if compile_prog "" "" ; then
5738     have_copy_file_range=yes
5739 fi
5740
5741 ##########################################
5742 # check if struct fsxattr is available via linux/fs.h
5743
5744 have_fsxattr=no
5745 cat > $TMPC << EOF
5746 #include <linux/fs.h>
5747 struct fsxattr foo;
5748 int main(void) {
5749   return 0;
5750 }
5751 EOF
5752 if compile_prog "" "" ; then
5753     have_fsxattr=yes
5754 fi
5755
5756 ##########################################
5757 # check for usable membarrier system call
5758 if test "$membarrier" = "yes"; then
5759     have_membarrier=no
5760     if test "$mingw32" = "yes" ; then
5761         have_membarrier=yes
5762     elif test "$linux" = "yes" ; then
5763         cat > $TMPC << EOF
5764     #include <linux/membarrier.h>
5765     #include <sys/syscall.h>
5766     #include <unistd.h>
5767     #include <stdlib.h>
5768     int main(void) {
5769         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5770         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5771         exit(0);
5772     }
5773 EOF
5774         if compile_prog "" "" ; then
5775             have_membarrier=yes
5776         fi
5777     fi
5778     if test "$have_membarrier" = "no"; then
5779       feature_not_found "membarrier" "membarrier system call not available"
5780     fi
5781 else
5782     # Do not enable it by default even for Mingw32, because it doesn't
5783     # work on Wine.
5784     membarrier=no
5785 fi
5786
5787 ##########################################
5788 # check if rtnetlink.h exists and is useful
5789 have_rtnetlink=no
5790 cat > $TMPC << EOF
5791 #include <linux/rtnetlink.h>
5792 int main(void) {
5793   return IFLA_PROTO_DOWN;
5794 }
5795 EOF
5796 if compile_prog "" "" ; then
5797     have_rtnetlink=yes
5798 fi
5799
5800 ##########################################
5801 # check for usable AF_VSOCK environment
5802 have_af_vsock=no
5803 cat > $TMPC << EOF
5804 #include <errno.h>
5805 #include <sys/types.h>
5806 #include <sys/socket.h>
5807 #if !defined(AF_VSOCK)
5808 # error missing AF_VSOCK flag
5809 #endif
5810 #include <linux/vm_sockets.h>
5811 int main(void) {
5812     int sock, ret;
5813     struct sockaddr_vm svm;
5814     socklen_t len = sizeof(svm);
5815     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5816     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5817     if ((ret == -1) && (errno == ENOTCONN)) {
5818         return 0;
5819     }
5820     return -1;
5821 }
5822 EOF
5823 if compile_prog "" "" ; then
5824     have_af_vsock=yes
5825 fi
5826
5827 ##########################################
5828 # check for usable AF_ALG environment
5829 hava_afalg=no
5830 cat > $TMPC << EOF
5831 #include <errno.h>
5832 #include <sys/types.h>
5833 #include <sys/socket.h>
5834 #include <linux/if_alg.h>
5835 int main(void) {
5836     int sock;
5837     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5838     return sock;
5839 }
5840 EOF
5841 if compile_prog "" "" ; then
5842     have_afalg=yes
5843 fi
5844 if test "$crypto_afalg" = "yes"
5845 then
5846     if test "$have_afalg" != "yes"
5847     then
5848         error_exit "AF_ALG requested but could not be detected"
5849     fi
5850 fi
5851
5852
5853 #################################################
5854 # Check to see if we have the Hypervisor framework
5855 if [ "$darwin" = "yes" ] ; then
5856   cat > $TMPC << EOF
5857 #include <Hypervisor/hv.h>
5858 int main() { return 0;}
5859 EOF
5860   if ! compile_object ""; then
5861     hvf='no'
5862   else
5863     hvf='yes'
5864     LDFLAGS="-framework Hypervisor $LDFLAGS"
5865   fi
5866 fi
5867
5868 #################################################
5869 # Sparc implicitly links with --relax, which is
5870 # incompatible with -r, so --no-relax should be
5871 # given. It does no harm to give it on other
5872 # platforms too.
5873
5874 # Note: the prototype is needed since QEMU_CFLAGS
5875 #       contains -Wmissing-prototypes
5876 cat > $TMPC << EOF
5877 extern int foo(void);
5878 int foo(void) { return 0; }
5879 EOF
5880 if ! compile_object ""; then
5881   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5882 fi
5883 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5884   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5885     LD_REL_FLAGS=$i
5886     break
5887   fi
5888 done
5889 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5890   feature_not_found "modules" "Cannot find how to build relocatable objects"
5891 fi
5892
5893 ##########################################
5894 # check for sysmacros.h
5895
5896 have_sysmacros=no
5897 cat > $TMPC << EOF
5898 #include <sys/sysmacros.h>
5899 int main(void) {
5900     return makedev(0, 0);
5901 }
5902 EOF
5903 if compile_prog "" "" ; then
5904     have_sysmacros=yes
5905 fi
5906
5907 ##########################################
5908 # Veritas HyperScale block driver VxHS
5909 # Check if libvxhs is installed
5910
5911 if test "$vxhs" != "no" ; then
5912   cat > $TMPC <<EOF
5913 #include <stdint.h>
5914 #include <qnio/qnio_api.h>
5915
5916 void *vxhs_callback;
5917
5918 int main(void) {
5919     iio_init(QNIO_VERSION, vxhs_callback);
5920     return 0;
5921 }
5922 EOF
5923   vxhs_libs="-lvxhs -lssl"
5924   if compile_prog "" "$vxhs_libs" ; then
5925     vxhs=yes
5926   else
5927     if test "$vxhs" = "yes" ; then
5928       feature_not_found "vxhs block device" "Install libvxhs See github"
5929     fi
5930     vxhs=no
5931   fi
5932 fi
5933
5934 ##########################################
5935 # check for _Static_assert()
5936
5937 have_static_assert=no
5938 cat > $TMPC << EOF
5939 _Static_assert(1, "success");
5940 int main(void) {
5941     return 0;
5942 }
5943 EOF
5944 if compile_prog "" "" ; then
5945     have_static_assert=yes
5946 fi
5947
5948 ##########################################
5949 # check for utmpx.h, it is missing e.g. on OpenBSD
5950
5951 have_utmpx=no
5952 cat > $TMPC << EOF
5953 #include <utmpx.h>
5954 struct utmpx user_info;
5955 int main(void) {
5956     return 0;
5957 }
5958 EOF
5959 if compile_prog "" "" ; then
5960     have_utmpx=yes
5961 fi
5962
5963 ##########################################
5964 # check for getrandom()
5965
5966 have_getrandom=no
5967 cat > $TMPC << EOF
5968 #include <sys/random.h>
5969 int main(void) {
5970     return getrandom(0, 0, GRND_NONBLOCK);
5971 }
5972 EOF
5973 if compile_prog "" "" ; then
5974     have_getrandom=yes
5975 fi
5976
5977 ##########################################
5978 # checks for sanitizers
5979
5980 have_asan=no
5981 have_ubsan=no
5982 have_asan_iface_h=no
5983 have_asan_iface_fiber=no
5984
5985 if test "$sanitizers" = "yes" ; then
5986   write_c_skeleton
5987   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5988       have_asan=yes
5989   fi
5990
5991   # we could use a simple skeleton for flags checks, but this also
5992   # detect the static linking issue of ubsan, see also:
5993   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5994   cat > $TMPC << EOF
5995 #include <stdlib.h>
5996 int main(void) {
5997     void *tmp = malloc(10);
5998     return *(int *)(tmp + 2);
5999 }
6000 EOF
6001   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6002       have_ubsan=yes
6003   fi
6004
6005   if check_include "sanitizer/asan_interface.h" ; then
6006       have_asan_iface_h=yes
6007   fi
6008
6009   cat > $TMPC << EOF
6010 #include <sanitizer/asan_interface.h>
6011 int main(void) {
6012   __sanitizer_start_switch_fiber(0, 0, 0);
6013   return 0;
6014 }
6015 EOF
6016   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6017       have_asan_iface_fiber=yes
6018   fi
6019 fi
6020
6021 ##########################################
6022 # check for libpmem
6023
6024 if test "$libpmem" != "no"; then
6025         if $pkg_config --exists "libpmem"; then
6026                 libpmem="yes"
6027                 libpmem_libs=$($pkg_config --libs libpmem)
6028                 libpmem_cflags=$($pkg_config --cflags libpmem)
6029                 libs_softmmu="$libs_softmmu $libpmem_libs"
6030                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6031         else
6032                 if test "$libpmem" = "yes" ; then
6033                         feature_not_found "libpmem" "Install nvml or pmdk"
6034                 fi
6035                 libpmem="no"
6036         fi
6037 fi
6038
6039 ##########################################
6040 # check for slirp
6041
6042 case "$slirp" in
6043   "" | yes)
6044     if $pkg_config slirp; then
6045       slirp=system
6046     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6047       slirp=git
6048     elif test -e "${source_path}/slirp/Makefile" ; then
6049       slirp=internal
6050     elif test -z "$slirp" ; then
6051       slirp=no
6052     else
6053       feature_not_found "slirp" "Install slirp devel or git submodule"
6054     fi
6055     ;;
6056
6057   system)
6058     if ! $pkg_config slirp; then
6059       feature_not_found "slirp" "Install slirp devel"
6060     fi
6061     ;;
6062 esac
6063
6064 case "$slirp" in
6065   git | internal)
6066     if test "$slirp" = git; then
6067       git_submodules="${git_submodules} slirp"
6068     fi
6069     mkdir -p slirp
6070     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6071     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6072     ;;
6073
6074   system)
6075     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6076     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6077     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6078     ;;
6079
6080   no)
6081     ;;
6082   *)
6083     error_exit "Unknown state for slirp: $slirp"
6084     ;;
6085 esac
6086
6087
6088 ##########################################
6089 # End of CC checks
6090 # After here, no more $cc or $ld runs
6091
6092 write_c_skeleton
6093
6094 if test "$gcov" = "yes" ; then
6095   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
6096   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
6097 elif test "$fortify_source" = "yes" ; then
6098   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6099 elif test "$debug" = "no"; then
6100   CFLAGS="-O2 $CFLAGS"
6101 fi
6102
6103 if test "$have_asan" = "yes"; then
6104   CFLAGS="-fsanitize=address $CFLAGS"
6105   if test "$have_asan_iface_h" = "no" ; then
6106       echo "ASAN build enabled, but ASAN header missing." \
6107            "Without code annotation, the report may be inferior."
6108   elif test "$have_asan_iface_fiber" = "no" ; then
6109       echo "ASAN build enabled, but ASAN header is too old." \
6110            "Without code annotation, the report may be inferior."
6111   fi
6112 fi
6113 if test "$have_ubsan" = "yes"; then
6114   CFLAGS="-fsanitize=undefined $CFLAGS"
6115 fi
6116
6117 ##########################################
6118 # Do we have libnfs
6119 if test "$libnfs" != "no" ; then
6120   if $pkg_config --atleast-version=1.9.3 libnfs; then
6121     libnfs="yes"
6122     libnfs_libs=$($pkg_config --libs libnfs)
6123   else
6124     if test "$libnfs" = "yes" ; then
6125       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6126     fi
6127     libnfs="no"
6128   fi
6129 fi
6130
6131 ##########################################
6132 # Do we have libudev
6133 if test "$libudev" != "no" ; then
6134   if $pkg_config libudev && test "$static" != "yes"; then
6135     libudev="yes"
6136     libudev_libs=$($pkg_config --libs libudev)
6137   else
6138     libudev="no"
6139   fi
6140 fi
6141
6142 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6143 if test "$werror" = "yes"; then
6144     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6145 fi
6146
6147 if test "$solaris" = "no" ; then
6148     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6149         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6150     fi
6151 fi
6152
6153 # test if pod2man has --utf8 option
6154 if pod2man --help | grep -q utf8; then
6155     POD2MAN="pod2man --utf8"
6156 else
6157     POD2MAN="pod2man"
6158 fi
6159
6160 # Use ASLR, no-SEH and DEP if available
6161 if test "$mingw32" = "yes" ; then
6162     for flag in --dynamicbase --no-seh --nxcompat; do
6163         if ld_has $flag ; then
6164             LDFLAGS="-Wl,$flag $LDFLAGS"
6165         fi
6166     done
6167 fi
6168
6169 # Disable OpenBSD W^X if available
6170 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6171     cat > $TMPC <<EOF
6172     int main(void) { return 0; }
6173 EOF
6174     wx_ldflags="-Wl,-z,wxneeded"
6175     if compile_prog "" "$wx_ldflags"; then
6176         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6177     fi
6178 fi
6179
6180 qemu_confdir=$sysconfdir$confsuffix
6181 qemu_moddir=$libdir$confsuffix
6182 qemu_datadir=$datadir$confsuffix
6183 qemu_localedir="$datadir/locale"
6184 qemu_icondir="$datadir/icons"
6185 qemu_desktopdir="$datadir/applications"
6186
6187 # We can only support ivshmem if we have eventfd
6188 if [ "$eventfd" = "yes" ]; then
6189   ivshmem=yes
6190 fi
6191
6192 tools=""
6193 if test "$want_tools" = "yes" ; then
6194   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6195   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6196     tools="qemu-nbd\$(EXESUF) $tools"
6197   fi
6198   if [ "$ivshmem" = "yes" ]; then
6199     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6200   fi
6201   if [ "$curl" = "yes" ]; then
6202       tools="elf2dmp\$(EXESUF) $tools"
6203   fi
6204 fi
6205 if test "$softmmu" = yes ; then
6206   if test "$linux" = yes; then
6207     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
6208       virtfs=yes
6209       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6210     else
6211       if test "$virtfs" = yes; then
6212         error_exit "VirtFS requires libcap devel and libattr devel"
6213       fi
6214       virtfs=no
6215     fi
6216     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6217       mpath=yes
6218     else
6219       if test "$mpath" = yes; then
6220         error_exit "Multipath requires libmpathpersist devel"
6221       fi
6222       mpath=no
6223     fi
6224     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6225   else
6226     if test "$virtfs" = yes; then
6227       error_exit "VirtFS is supported only on Linux"
6228     fi
6229     virtfs=no
6230     if test "$mpath" = yes; then
6231       error_exit "Multipath is supported only on Linux"
6232     fi
6233     mpath=no
6234   fi
6235   if test "$xkbcommon" = "yes"; then
6236     tools="qemu-keymap\$(EXESUF) $tools"
6237   fi
6238 fi
6239
6240 # Probe for guest agent support/options
6241
6242 if [ "$guest_agent" != "no" ]; then
6243   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6244       guest_agent=no
6245   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6246       tools="qemu-ga\$(EXESUF) $tools"
6247       guest_agent=yes
6248   elif [ "$guest_agent" != yes ]; then
6249       guest_agent=no
6250   else
6251       error_exit "Guest agent is not supported on this platform"
6252   fi
6253 fi
6254
6255 # Guest agent Window MSI  package
6256
6257 if test "$guest_agent" != yes; then
6258   if test "$guest_agent_msi" = yes; then
6259     error_exit "MSI guest agent package requires guest agent enabled"
6260   fi
6261   guest_agent_msi=no
6262 elif test "$mingw32" != "yes"; then
6263   if test "$guest_agent_msi" = "yes"; then
6264     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6265   fi
6266   guest_agent_msi=no
6267 elif ! has wixl; then
6268   if test "$guest_agent_msi" = "yes"; then
6269     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6270   fi
6271   guest_agent_msi=no
6272 else
6273   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6274   # disabled explicitly
6275   if test "$guest_agent_msi" != "no"; then
6276     guest_agent_msi=yes
6277   fi
6278 fi
6279
6280 if test "$guest_agent_msi" = "yes"; then
6281   if test "$guest_agent_with_vss" = "yes"; then
6282     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6283   fi
6284
6285   if test "$QEMU_GA_MANUFACTURER" = ""; then
6286     QEMU_GA_MANUFACTURER=QEMU
6287   fi
6288
6289   if test "$QEMU_GA_DISTRO" = ""; then
6290     QEMU_GA_DISTRO=Linux
6291   fi
6292
6293   if test "$QEMU_GA_VERSION" = ""; then
6294       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6295   fi
6296
6297   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6298
6299   case "$cpu" in
6300   x86_64)
6301     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6302     ;;
6303   i386)
6304     QEMU_GA_MSI_ARCH="-D Arch=32"
6305     ;;
6306   *)
6307     error_exit "CPU $cpu not supported for building installation package"
6308     ;;
6309   esac
6310 fi
6311
6312 # Mac OS X ships with a broken assembler
6313 roms=
6314 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6315         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6316         test "$softmmu" = yes ; then
6317     # Different host OS linkers have different ideas about the name of the ELF
6318     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6319     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6320     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6321         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6322             ld_i386_emulation="$emu"
6323             roms="optionrom"
6324             break
6325         fi
6326     done
6327 fi
6328
6329 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6330 if test "$cpu" = "s390x" ; then
6331   write_c_skeleton
6332   if compile_prog "-march=z900" ""; then
6333     roms="$roms s390-ccw"
6334   fi
6335 fi
6336
6337 # Probe for the need for relocating the user-only binary.
6338 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6339   textseg_addr=
6340   case "$cpu" in
6341     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6342       # ??? Rationale for choosing this address
6343       textseg_addr=0x60000000
6344       ;;
6345     mips)
6346       # A 256M aligned address, high in the address space, with enough
6347       # room for the code_gen_buffer above it before the stack.
6348       textseg_addr=0x60000000
6349       ;;
6350   esac
6351   if [ -n "$textseg_addr" ]; then
6352     cat > $TMPC <<EOF
6353     int main(void) { return 0; }
6354 EOF
6355     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6356     if ! compile_prog "" "$textseg_ldflags"; then
6357       # In case ld does not support -Ttext-segment, edit the default linker
6358       # script via sed to set the .text start addr.  This is needed on FreeBSD
6359       # at least.
6360       if ! $ld --verbose >/dev/null 2>&1; then
6361         error_exit \
6362             "We need to link the QEMU user mode binaries at a" \
6363             "specific text address. Unfortunately your linker" \
6364             "doesn't support either the -Ttext-segment option or" \
6365             "printing the default linker script with --verbose." \
6366             "If you don't want the user mode binaries, pass the" \
6367             "--disable-user option to configure."
6368       fi
6369
6370       $ld --verbose | sed \
6371         -e '1,/==================================================/d' \
6372         -e '/==================================================/,$d' \
6373         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6374         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6375       textseg_ldflags="-Wl,-T../config-host.ld"
6376     fi
6377   fi
6378 fi
6379
6380 # Check that the C++ compiler exists and works with the C compiler.
6381 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6382 if has $cxx; then
6383     cat > $TMPC <<EOF
6384 int c_function(void);
6385 int main(void) { return c_function(); }
6386 EOF
6387
6388     compile_object
6389
6390     cat > $TMPCXX <<EOF
6391 extern "C" {
6392    int c_function(void);
6393 }
6394 int c_function(void) { return 42; }
6395 EOF
6396
6397     update_cxxflags
6398
6399     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6400         # C++ compiler $cxx works ok with C compiler $cc
6401         :
6402     else
6403         echo "C++ compiler $cxx does not work with C compiler $cc"
6404         echo "Disabling C++ specific optional code"
6405         cxx=
6406     fi
6407 else
6408     echo "No C++ compiler available; disabling C++ specific optional code"
6409     cxx=
6410 fi
6411
6412 echo_version() {
6413     if test "$1" = "yes" ; then
6414         echo "($2)"
6415     fi
6416 }
6417
6418 # prepend pixman and ftd flags after all config tests are done
6419 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6420 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6421 libs_softmmu="$pixman_libs $libs_softmmu"
6422
6423 echo "Install prefix    $prefix"
6424 echo "BIOS directory    $(eval echo $qemu_datadir)"
6425 echo "firmware path     $(eval echo $firmwarepath)"
6426 echo "binary directory  $(eval echo $bindir)"
6427 echo "library directory $(eval echo $libdir)"
6428 echo "module directory  $(eval echo $qemu_moddir)"
6429 echo "libexec directory $(eval echo $libexecdir)"
6430 echo "include directory $(eval echo $includedir)"
6431 echo "config directory  $(eval echo $sysconfdir)"
6432 if test "$mingw32" = "no" ; then
6433 echo "local state directory   $(eval echo $local_statedir)"
6434 echo "Manual directory  $(eval echo $mandir)"
6435 echo "ELF interp prefix $interp_prefix"
6436 else
6437 echo "local state directory   queried at runtime"
6438 echo "Windows SDK       $win_sdk"
6439 fi
6440 echo "Source path       $source_path"
6441 echo "GIT binary        $git"
6442 echo "GIT submodules    $git_submodules"
6443 echo "C compiler        $cc"
6444 echo "Host C compiler   $host_cc"
6445 echo "C++ compiler      $cxx"
6446 echo "Objective-C compiler $objcc"
6447 echo "ARFLAGS           $ARFLAGS"
6448 echo "CFLAGS            $CFLAGS"
6449 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6450 echo "LDFLAGS           $LDFLAGS"
6451 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6452 echo "make              $make"
6453 echo "install           $install"
6454 echo "python            $python ($python_version)"
6455 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6456 if test "$slirp" != "no" ; then
6457     echo "smbd              $smbd"
6458 fi
6459 echo "module support    $modules"
6460 echo "host CPU          $cpu"
6461 echo "host big endian   $bigendian"
6462 echo "target list       $target_list"
6463 echo "gprof enabled     $gprof"
6464 echo "sparse enabled    $sparse"
6465 echo "strip binaries    $strip_opt"
6466 echo "profiler          $profiler"
6467 echo "static build      $static"
6468 if test "$darwin" = "yes" ; then
6469     echo "Cocoa support     $cocoa"
6470 fi
6471 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6472 echo "SDL image support $sdl_image"
6473 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6474 echo "GTK GL support    $gtk_gl"
6475 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6476 echo "TLS priority      $tls_priority"
6477 echo "GNUTLS support    $gnutls"
6478 echo "libgcrypt         $gcrypt"
6479 if test "$gcrypt" = "yes"
6480 then
6481    echo "  hmac            $gcrypt_hmac"
6482    echo "  XTS             $gcrypt_xts"
6483 fi
6484 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6485 if test "$nettle" = "yes"
6486 then
6487    echo "  XTS             $nettle_xts"
6488 fi
6489 echo "libtasn1          $tasn1"
6490 echo "PAM               $auth_pam"
6491 echo "iconv support     $iconv"
6492 echo "curses support    $curses"
6493 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6494 echo "curl support      $curl"
6495 echo "mingw32 support   $mingw32"
6496 echo "Audio drivers     $audio_drv_list"
6497 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6498 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6499 echo "VirtFS support    $virtfs"
6500 echo "Multipath support $mpath"
6501 echo "VNC support       $vnc"
6502 if test "$vnc" = "yes" ; then
6503     echo "VNC SASL support  $vnc_sasl"
6504     echo "VNC JPEG support  $vnc_jpeg"
6505     echo "VNC PNG support   $vnc_png"
6506 fi
6507 echo "xen support       $xen"
6508 if test "$xen" = "yes" ; then
6509   echo "xen ctrl version  $xen_ctrl_version"
6510 fi
6511 echo "brlapi support    $brlapi"
6512 echo "bluez  support    $bluez"
6513 echo "Documentation     $docs"
6514 echo "PIE               $pie"
6515 echo "vde support       $vde"
6516 echo "netmap support    $netmap"
6517 echo "Linux AIO support $linux_aio"
6518 echo "ATTR/XATTR support $attr"
6519 echo "Install blobs     $blobs"
6520 echo "KVM support       $kvm"
6521 echo "HAX support       $hax"
6522 echo "HVF support       $hvf"
6523 echo "WHPX support      $whpx"
6524 echo "TCG support       $tcg"
6525 if test "$tcg" = "yes" ; then
6526     echo "TCG debug enabled $debug_tcg"
6527     echo "TCG interpreter   $tcg_interpreter"
6528 fi
6529 echo "malloc trim support $malloc_trim"
6530 echo "RDMA support      $rdma"
6531 echo "PVRDMA support    $pvrdma"
6532 echo "fdt support       $fdt"
6533 echo "membarrier        $membarrier"
6534 echo "preadv support    $preadv"
6535 echo "fdatasync         $fdatasync"
6536 echo "madvise           $madvise"
6537 echo "posix_madvise     $posix_madvise"
6538 echo "posix_memalign    $posix_memalign"
6539 echo "libcap-ng support $cap_ng"
6540 echo "vhost-net support $vhost_net"
6541 echo "vhost-crypto support $vhost_crypto"
6542 echo "vhost-scsi support $vhost_scsi"
6543 echo "vhost-vsock support $vhost_vsock"
6544 echo "vhost-user support $vhost_user"
6545 echo "vhost-user-fs support $vhost_user_fs"
6546 echo "Trace backends    $trace_backends"
6547 if have_backend "simple"; then
6548 echo "Trace output file $trace_file-<pid>"
6549 fi
6550 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6551 echo "rbd support       $rbd"
6552 echo "xfsctl support    $xfs"
6553 echo "smartcard support $smartcard"
6554 echo "libusb            $libusb"
6555 echo "usb net redir     $usb_redir"
6556 echo "OpenGL support    $opengl"
6557 echo "OpenGL dmabufs    $opengl_dmabuf"
6558 echo "libiscsi support  $libiscsi"
6559 echo "libnfs support    $libnfs"
6560 echo "build guest agent $guest_agent"
6561 echo "QGA VSS support   $guest_agent_with_vss"
6562 echo "QGA w32 disk info $guest_agent_ntddscsi"
6563 echo "QGA MSI support   $guest_agent_msi"
6564 echo "seccomp support   $seccomp"
6565 echo "coroutine backend $coroutine"
6566 echo "coroutine pool    $coroutine_pool"
6567 echo "debug stack usage $debug_stack_usage"
6568 echo "mutex debugging   $debug_mutex"
6569 echo "crypto afalg      $crypto_afalg"
6570 echo "GlusterFS support $glusterfs"
6571 echo "gcov              $gcov_tool"
6572 echo "gcov enabled      $gcov"
6573 echo "TPM support       $tpm"
6574 echo "libssh support    $libssh"
6575 echo "QOM debugging     $qom_cast_debug"
6576 echo "Live block migration $live_block_migration"
6577 echo "lzo support       $lzo"
6578 echo "snappy support    $snappy"
6579 echo "bzip2 support     $bzip2"
6580 echo "lzfse support     $lzfse"
6581 echo "NUMA host support $numa"
6582 echo "libxml2           $libxml2"
6583 echo "tcmalloc support  $tcmalloc"
6584 echo "jemalloc support  $jemalloc"
6585 echo "avx2 optimization $avx2_opt"
6586 echo "replication support $replication"
6587 echo "VxHS block device $vxhs"
6588 echo "bochs support     $bochs"
6589 echo "cloop support     $cloop"
6590 echo "dmg support       $dmg"
6591 echo "qcow v1 support   $qcow1"
6592 echo "vdi support       $vdi"
6593 echo "vvfat support     $vvfat"
6594 echo "qed support       $qed"
6595 echo "parallels support $parallels"
6596 echo "sheepdog support  $sheepdog"
6597 echo "capstone          $capstone"
6598 echo "libpmem support   $libpmem"
6599 echo "libudev           $libudev"
6600 echo "default devices   $default_devices"
6601 echo "plugin support    $plugins"
6602
6603 if test "$supported_cpu" = "no"; then
6604     echo
6605     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6606     echo
6607     echo "CPU host architecture $cpu support is not currently maintained."
6608     echo "The QEMU project intends to remove support for this host CPU in"
6609     echo "a future release if nobody volunteers to maintain it and to"
6610     echo "provide a build host for our continuous integration setup."
6611     echo "configure has succeeded and you can continue to build, but"
6612     echo "if you care about QEMU on this platform you should contact"
6613     echo "us upstream at qemu-devel@nongnu.org."
6614 fi
6615
6616 if test "$supported_os" = "no"; then
6617     echo
6618     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6619     echo
6620     echo "Host OS $targetos support is not currently maintained."
6621     echo "The QEMU project intends to remove support for this host OS in"
6622     echo "a future release if nobody volunteers to maintain it and to"
6623     echo "provide a build host for our continuous integration setup."
6624     echo "configure has succeeded and you can continue to build, but"
6625     echo "if you care about QEMU on this platform you should contact"
6626     echo "us upstream at qemu-devel@nongnu.org."
6627 fi
6628
6629 # Note that if the Python conditional here evaluates True we will exit
6630 # with status 1 which is a shell 'false' value.
6631 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,0))'; then
6632   echo
6633   echo "warning: Python 2 support is deprecated" >&2
6634   echo "warning: Python 3 will be required for building future versions of QEMU" >&2
6635   python2="y"
6636 fi
6637
6638 config_host_mak="config-host.mak"
6639
6640 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6641
6642 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6643 echo >> $config_host_mak
6644
6645 echo all: >> $config_host_mak
6646 echo "prefix=$prefix" >> $config_host_mak
6647 echo "bindir=$bindir" >> $config_host_mak
6648 echo "libdir=$libdir" >> $config_host_mak
6649 echo "libexecdir=$libexecdir" >> $config_host_mak
6650 echo "includedir=$includedir" >> $config_host_mak
6651 echo "mandir=$mandir" >> $config_host_mak
6652 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6653 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6654 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6655 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6656 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6657 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6658 if test "$mingw32" = "no" ; then
6659   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6660 fi
6661 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6662 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6663 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6664 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6665 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6666 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6667 echo "GIT=$git" >> $config_host_mak
6668 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6669 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6670
6671 echo "ARCH=$ARCH" >> $config_host_mak
6672
6673 if test "$default_devices" = "yes" ; then
6674   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6675 else
6676   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6677 fi
6678 if test "$debug_tcg" = "yes" ; then
6679   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6680 fi
6681 if test "$strip_opt" = "yes" ; then
6682   echo "STRIP=${strip}" >> $config_host_mak
6683 fi
6684 if test "$bigendian" = "yes" ; then
6685   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6686 fi
6687 if test "$mingw32" = "yes" ; then
6688   echo "CONFIG_WIN32=y" >> $config_host_mak
6689   rc_version=$(cat $source_path/VERSION)
6690   version_major=${rc_version%%.*}
6691   rc_version=${rc_version#*.}
6692   version_minor=${rc_version%%.*}
6693   rc_version=${rc_version#*.}
6694   version_subminor=${rc_version%%.*}
6695   version_micro=0
6696   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6697   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6698   if test "$guest_agent_with_vss" = "yes" ; then
6699     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6700     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6701     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6702   fi
6703   if test "$guest_agent_ntddscsi" = "yes" ; then
6704     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6705   fi
6706   if test "$guest_agent_msi" = "yes"; then
6707     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6708     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6709     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6710     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6711     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6712     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6713     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6714   fi
6715 else
6716   echo "CONFIG_POSIX=y" >> $config_host_mak
6717 fi
6718
6719 if test "$linux" = "yes" ; then
6720   echo "CONFIG_LINUX=y" >> $config_host_mak
6721 fi
6722
6723 if test "$darwin" = "yes" ; then
6724   echo "CONFIG_DARWIN=y" >> $config_host_mak
6725 fi
6726
6727 if test "$solaris" = "yes" ; then
6728   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6729 fi
6730 if test "$haiku" = "yes" ; then
6731   echo "CONFIG_HAIKU=y" >> $config_host_mak
6732 fi
6733 if test "$static" = "yes" ; then
6734   echo "CONFIG_STATIC=y" >> $config_host_mak
6735 fi
6736 if test "$profiler" = "yes" ; then
6737   echo "CONFIG_PROFILER=y" >> $config_host_mak
6738 fi
6739 if test "$want_tools" = "yes" ; then
6740   echo "CONFIG_TOOLS=y" >> $config_host_mak
6741 fi
6742 if test "$slirp" != "no"; then
6743   echo "CONFIG_SLIRP=y" >> $config_host_mak
6744   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6745   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6746   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6747 fi
6748 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6749     echo "config-host.h: slirp/all" >> $config_host_mak
6750 fi
6751 if test "$vde" = "yes" ; then
6752   echo "CONFIG_VDE=y" >> $config_host_mak
6753   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6754 fi
6755 if test "$netmap" = "yes" ; then
6756   echo "CONFIG_NETMAP=y" >> $config_host_mak
6757 fi
6758 if test "$l2tpv3" = "yes" ; then
6759   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6760 fi
6761 if test "$cap_ng" = "yes" ; then
6762   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6763 fi
6764 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6765 for drv in $audio_drv_list; do
6766     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6767     case "$drv" in
6768         alsa | oss | pa | sdl)
6769             echo "$def=m" >> $config_host_mak ;;
6770         *)
6771             echo "$def=y" >> $config_host_mak ;;
6772     esac
6773 done
6774 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6775 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6776 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6777 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6778 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6779 if test "$audio_win_int" = "yes" ; then
6780   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6781 fi
6782 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6783 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6784 if test "$vnc" = "yes" ; then
6785   echo "CONFIG_VNC=y" >> $config_host_mak
6786 fi
6787 if test "$vnc_sasl" = "yes" ; then
6788   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6789 fi
6790 if test "$vnc_jpeg" = "yes" ; then
6791   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6792 fi
6793 if test "$vnc_png" = "yes" ; then
6794   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6795 fi
6796 if test "$xkbcommon" = "yes" ; then
6797   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6798   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6799 fi
6800 if test "$xfs" = "yes" ; then
6801   echo "CONFIG_XFS=y" >> $config_host_mak
6802 fi
6803 qemu_version=$(head $source_path/VERSION)
6804 echo "VERSION=$qemu_version" >>$config_host_mak
6805 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6806 echo "SRC_PATH=$source_path" >> $config_host_mak
6807 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6808 if [ "$docs" = "yes" ] ; then
6809   echo "BUILD_DOCS=yes" >> $config_host_mak
6810 fi
6811 if test "$modules" = "yes"; then
6812   # $shacmd can generate a hash started with digit, which the compiler doesn't
6813   # like as an symbol. So prefix it with an underscore
6814   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6815   echo "CONFIG_MODULES=y" >> $config_host_mak
6816 fi
6817 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6818   echo "CONFIG_X11=y" >> $config_host_mak
6819   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6820   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6821 fi
6822 if test "$sdl" = "yes" ; then
6823   echo "CONFIG_SDL=m" >> $config_host_mak
6824   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6825   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6826   if test "$sdl_image" = "yes" ; then
6827       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6828   fi
6829 fi
6830 if test "$cocoa" = "yes" ; then
6831   echo "CONFIG_COCOA=y" >> $config_host_mak
6832 fi
6833 if test "$iconv" = "yes" ; then
6834   echo "CONFIG_ICONV=y" >> $config_host_mak
6835   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6836   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6837 fi
6838 if test "$curses" = "yes" ; then
6839   echo "CONFIG_CURSES=m" >> $config_host_mak
6840   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6841   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6842 fi
6843 if test "$pipe2" = "yes" ; then
6844   echo "CONFIG_PIPE2=y" >> $config_host_mak
6845 fi
6846 if test "$accept4" = "yes" ; then
6847   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6848 fi
6849 if test "$splice" = "yes" ; then
6850   echo "CONFIG_SPLICE=y" >> $config_host_mak
6851 fi
6852 if test "$eventfd" = "yes" ; then
6853   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6854 fi
6855 if test "$memfd" = "yes" ; then
6856   echo "CONFIG_MEMFD=y" >> $config_host_mak
6857 fi
6858 if test "$have_usbfs" = "yes" ; then
6859   echo "CONFIG_USBFS=y" >> $config_host_mak
6860 fi
6861 if test "$fallocate" = "yes" ; then
6862   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6863 fi
6864 if test "$fallocate_punch_hole" = "yes" ; then
6865   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6866 fi
6867 if test "$fallocate_zero_range" = "yes" ; then
6868   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6869 fi
6870 if test "$posix_fallocate" = "yes" ; then
6871   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6872 fi
6873 if test "$sync_file_range" = "yes" ; then
6874   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6875 fi
6876 if test "$fiemap" = "yes" ; then
6877   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6878 fi
6879 if test "$dup3" = "yes" ; then
6880   echo "CONFIG_DUP3=y" >> $config_host_mak
6881 fi
6882 if test "$ppoll" = "yes" ; then
6883   echo "CONFIG_PPOLL=y" >> $config_host_mak
6884 fi
6885 if test "$prctl_pr_set_timerslack" = "yes" ; then
6886   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6887 fi
6888 if test "$epoll" = "yes" ; then
6889   echo "CONFIG_EPOLL=y" >> $config_host_mak
6890 fi
6891 if test "$epoll_create1" = "yes" ; then
6892   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6893 fi
6894 if test "$sendfile" = "yes" ; then
6895   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6896 fi
6897 if test "$timerfd" = "yes" ; then
6898   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6899 fi
6900 if test "$setns" = "yes" ; then
6901   echo "CONFIG_SETNS=y" >> $config_host_mak
6902 fi
6903 if test "$clock_adjtime" = "yes" ; then
6904   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6905 fi
6906 if test "$syncfs" = "yes" ; then
6907   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6908 fi
6909 if test "$inotify" = "yes" ; then
6910   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6911 fi
6912 if test "$inotify1" = "yes" ; then
6913   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6914 fi
6915 if test "$sem_timedwait" = "yes" ; then
6916   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6917 fi
6918 if test "$strchrnul" = "yes" ; then
6919   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6920 fi
6921 if test "$byteswap_h" = "yes" ; then
6922   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6923 fi
6924 if test "$bswap_h" = "yes" ; then
6925   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6926 fi
6927 if test "$curl" = "yes" ; then
6928   echo "CONFIG_CURL=m" >> $config_host_mak
6929   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6930   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6931 fi
6932 if test "$brlapi" = "yes" ; then
6933   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6934   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6935 fi
6936 if test "$bluez" = "yes" ; then
6937   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6938   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6939 fi
6940 if test "$gtk" = "yes" ; then
6941   echo "CONFIG_GTK=m" >> $config_host_mak
6942   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6943   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6944   if test "$gtk_gl" = "yes" ; then
6945     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6946   fi
6947 fi
6948 if test "$gio" = "yes" ; then
6949     echo "CONFIG_GIO=y" >> $config_host_mak
6950     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6951     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6952 fi
6953 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6954 if test "$gnutls" = "yes" ; then
6955   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6956 fi
6957 if test "$gcrypt" = "yes" ; then
6958   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6959   if test "$gcrypt_hmac" = "yes" ; then
6960     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6961   fi
6962 fi
6963 if test "$nettle" = "yes" ; then
6964   echo "CONFIG_NETTLE=y" >> $config_host_mak
6965   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6966 fi
6967 if test "$qemu_private_xts" = "yes" ; then
6968   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6969 fi
6970 if test "$tasn1" = "yes" ; then
6971   echo "CONFIG_TASN1=y" >> $config_host_mak
6972 fi
6973 if test "$auth_pam" = "yes" ; then
6974     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6975 fi
6976 if test "$have_ifaddrs_h" = "yes" ; then
6977     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6978 fi
6979 if test "$have_broken_size_max" = "yes" ; then
6980     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6981 fi
6982
6983 # Work around a system header bug with some kernel/XFS header
6984 # versions where they both try to define 'struct fsxattr':
6985 # xfs headers will not try to redefine structs from linux headers
6986 # if this macro is set.
6987 if test "$have_fsxattr" = "yes" ; then
6988     echo "HAVE_FSXATTR=y" >> $config_host_mak
6989 fi
6990 if test "$have_copy_file_range" = "yes" ; then
6991     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6992 fi
6993 if test "$vte" = "yes" ; then
6994   echo "CONFIG_VTE=y" >> $config_host_mak
6995   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6996   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6997 fi
6998 if test "$virglrenderer" = "yes" ; then
6999   echo "CONFIG_VIRGL=y" >> $config_host_mak
7000   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7001   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7002 fi
7003 if test "$xen" = "yes" ; then
7004   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7005   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7006 fi
7007 if test "$linux_aio" = "yes" ; then
7008   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7009 fi
7010 if test "$attr" = "yes" ; then
7011   echo "CONFIG_ATTR=y" >> $config_host_mak
7012 fi
7013 if test "$libattr" = "yes" ; then
7014   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7015 fi
7016 if test "$virtfs" = "yes" ; then
7017   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7018 fi
7019 if test "$mpath" = "yes" ; then
7020   echo "CONFIG_MPATH=y" >> $config_host_mak
7021   if test "$mpathpersist_new_api" = "yes"; then
7022     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7023   fi
7024 fi
7025 if test "$vhost_scsi" = "yes" ; then
7026   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7027 fi
7028 if test "$vhost_net" = "yes" ; then
7029   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7030 fi
7031 if test "$vhost_net_user" = "yes" ; then
7032   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7033 fi
7034 if test "$vhost_crypto" = "yes" ; then
7035   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7036 fi
7037 if test "$vhost_vsock" = "yes" ; then
7038   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7039 fi
7040 if test "$vhost_kernel" = "yes" ; then
7041   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7042 fi
7043 if test "$vhost_user" = "yes" ; then
7044   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7045 fi
7046 if test "$vhost_user_fs" = "yes" ; then
7047   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7048 fi
7049 if test "$blobs" = "yes" ; then
7050   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7051 fi
7052 if test "$iovec" = "yes" ; then
7053   echo "CONFIG_IOVEC=y" >> $config_host_mak
7054 fi
7055 if test "$preadv" = "yes" ; then
7056   echo "CONFIG_PREADV=y" >> $config_host_mak
7057 fi
7058 if test "$fdt" != "no" ; then
7059   echo "CONFIG_FDT=y" >> $config_host_mak
7060 fi
7061 if test "$membarrier" = "yes" ; then
7062   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7063 fi
7064 if test "$signalfd" = "yes" ; then
7065   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7066 fi
7067 if test "$optreset" = "yes" ; then
7068   echo "HAVE_OPTRESET=y" >> $config_host_mak
7069 fi
7070 if test "$tcg" = "yes"; then
7071   echo "CONFIG_TCG=y" >> $config_host_mak
7072   if test "$tcg_interpreter" = "yes" ; then
7073     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7074   fi
7075 fi
7076 if test "$fdatasync" = "yes" ; then
7077   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7078 fi
7079 if test "$madvise" = "yes" ; then
7080   echo "CONFIG_MADVISE=y" >> $config_host_mak
7081 fi
7082 if test "$posix_madvise" = "yes" ; then
7083   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7084 fi
7085 if test "$posix_memalign" = "yes" ; then
7086   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7087 fi
7088
7089 if test "$spice" = "yes" ; then
7090   echo "CONFIG_SPICE=y" >> $config_host_mak
7091 fi
7092
7093 if test "$smartcard" = "yes" ; then
7094   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7095   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7096   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7097 fi
7098
7099 if test "$libusb" = "yes" ; then
7100   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7101   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7102   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7103 fi
7104
7105 if test "$usb_redir" = "yes" ; then
7106   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7107   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7108   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7109 fi
7110
7111 if test "$opengl" = "yes" ; then
7112   echo "CONFIG_OPENGL=y" >> $config_host_mak
7113   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7114   if test "$opengl_dmabuf" = "yes" ; then
7115     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7116   fi
7117 fi
7118
7119 if test "$gbm" = "yes" ; then
7120     echo "CONFIG_GBM=y" >> $config_host_mak
7121     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7122     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7123 fi
7124
7125
7126 if test "$malloc_trim" = "yes" ; then
7127   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7128 fi
7129
7130 if test "$avx2_opt" = "yes" ; then
7131   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7132 fi
7133
7134 if test "$lzo" = "yes" ; then
7135   echo "CONFIG_LZO=y" >> $config_host_mak
7136 fi
7137
7138 if test "$snappy" = "yes" ; then
7139   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7140 fi
7141
7142 if test "$bzip2" = "yes" ; then
7143   echo "CONFIG_BZIP2=y" >> $config_host_mak
7144   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7145 fi
7146
7147 if test "$lzfse" = "yes" ; then
7148   echo "CONFIG_LZFSE=y" >> $config_host_mak
7149   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7150 fi
7151
7152 if test "$libiscsi" = "yes" ; then
7153   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7154   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7155   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7156 fi
7157
7158 if test "$libnfs" = "yes" ; then
7159   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7160   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7161 fi
7162
7163 if test "$seccomp" = "yes"; then
7164   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7165   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7166   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7167 fi
7168
7169 # XXX: suppress that
7170 if [ "$bsd" = "yes" ] ; then
7171   echo "CONFIG_BSD=y" >> $config_host_mak
7172 fi
7173
7174 if test "$localtime_r" = "yes" ; then
7175   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7176 fi
7177 if test "$qom_cast_debug" = "yes" ; then
7178   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7179 fi
7180 if test "$rbd" = "yes" ; then
7181   echo "CONFIG_RBD=m" >> $config_host_mak
7182   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7183   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7184 fi
7185
7186 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7187 if test "$coroutine_pool" = "yes" ; then
7188   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7189 else
7190   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7191 fi
7192
7193 if test "$debug_stack_usage" = "yes" ; then
7194   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7195 fi
7196
7197 if test "$crypto_afalg" = "yes" ; then
7198   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7199 fi
7200
7201 if test "$open_by_handle_at" = "yes" ; then
7202   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7203 fi
7204
7205 if test "$linux_magic_h" = "yes" ; then
7206   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7207 fi
7208
7209 if test "$pragma_diagnostic_available" = "yes" ; then
7210   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7211 fi
7212
7213 if test "$valgrind_h" = "yes" ; then
7214   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7215 fi
7216
7217 if test "$have_asan_iface_fiber" = "yes" ; then
7218     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7219 fi
7220
7221 if test "$has_environ" = "yes" ; then
7222   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7223 fi
7224
7225 if test "$cpuid_h" = "yes" ; then
7226   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7227 fi
7228
7229 if test "$int128" = "yes" ; then
7230   echo "CONFIG_INT128=y" >> $config_host_mak
7231 fi
7232
7233 if test "$atomic128" = "yes" ; then
7234   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7235 fi
7236
7237 if test "$cmpxchg128" = "yes" ; then
7238   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7239 fi
7240
7241 if test "$atomic64" = "yes" ; then
7242   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7243 fi
7244
7245 if test "$vector16" = "yes" ; then
7246   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7247 fi
7248
7249 if test "$attralias" = "yes" ; then
7250   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7251 fi
7252
7253 if test "$getauxval" = "yes" ; then
7254   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7255 fi
7256
7257 if test "$glusterfs" = "yes" ; then
7258   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7259   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7260   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7261 fi
7262
7263 if test "$glusterfs_xlator_opt" = "yes" ; then
7264   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7265 fi
7266
7267 if test "$glusterfs_discard" = "yes" ; then
7268   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7269 fi
7270
7271 if test "$glusterfs_fallocate" = "yes" ; then
7272   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7273 fi
7274
7275 if test "$glusterfs_zerofill" = "yes" ; then
7276   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7277 fi
7278
7279 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7280   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7281 fi
7282
7283 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7284   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7285 fi
7286
7287 if test "$libssh" = "yes" ; then
7288   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7289   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7290   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7291 fi
7292
7293 if test "$live_block_migration" = "yes" ; then
7294   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7295 fi
7296
7297 if test "$tpm" = "yes"; then
7298   echo 'CONFIG_TPM=y' >> $config_host_mak
7299 fi
7300
7301 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7302 if have_backend "nop"; then
7303   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7304 fi
7305 if have_backend "simple"; then
7306   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7307   # Set the appropriate trace file.
7308   trace_file="\"$trace_file-\" FMT_pid"
7309 fi
7310 if have_backend "log"; then
7311   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7312 fi
7313 if have_backend "ust"; then
7314   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7315 fi
7316 if have_backend "dtrace"; then
7317   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7318   if test "$trace_backend_stap" = "yes" ; then
7319     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7320   fi
7321 fi
7322 if have_backend "ftrace"; then
7323   if test "$linux" = "yes" ; then
7324     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7325   else
7326     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7327   fi
7328 fi
7329 if have_backend "syslog"; then
7330   if test "$posix_syslog" = "yes" ; then
7331     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7332   else
7333     feature_not_found "syslog(trace backend)" "syslog not available"
7334   fi
7335 fi
7336 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7337
7338 if test "$rdma" = "yes" ; then
7339   echo "CONFIG_RDMA=y" >> $config_host_mak
7340   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7341 fi
7342
7343 if test "$pvrdma" = "yes" ; then
7344   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7345 fi
7346
7347 if test "$have_rtnetlink" = "yes" ; then
7348   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7349 fi
7350
7351 if test "$libxml2" = "yes" ; then
7352   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7353   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7354   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7355 fi
7356
7357 if test "$replication" = "yes" ; then
7358   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7359 fi
7360
7361 if test "$have_af_vsock" = "yes" ; then
7362   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7363 fi
7364
7365 if test "$have_sysmacros" = "yes" ; then
7366   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7367 fi
7368
7369 if test "$have_static_assert" = "yes" ; then
7370   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7371 fi
7372
7373 if test "$have_utmpx" = "yes" ; then
7374   echo "HAVE_UTMPX=y" >> $config_host_mak
7375 fi
7376 if test "$have_getrandom" = "yes" ; then
7377   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7378 fi
7379 if test "$ivshmem" = "yes" ; then
7380   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7381 fi
7382 if test "$capstone" != "no" ; then
7383   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7384 fi
7385 if test "$debug_mutex" = "yes" ; then
7386   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7387 fi
7388
7389 # Hold two types of flag:
7390 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7391 #                                     a thread we have a handle to
7392 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7393 #                                     platform
7394 if test "$pthread_setname_np_w_tid" = "yes" ; then
7395   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7396   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7397 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7398   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7399   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7400 fi
7401
7402 if test "$vxhs" = "yes" ; then
7403   echo "CONFIG_VXHS=y" >> $config_host_mak
7404   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7405 fi
7406
7407 if test "$libpmem" = "yes" ; then
7408   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7409 fi
7410
7411 if test "$bochs" = "yes" ; then
7412   echo "CONFIG_BOCHS=y" >> $config_host_mak
7413 fi
7414 if test "$cloop" = "yes" ; then
7415   echo "CONFIG_CLOOP=y" >> $config_host_mak
7416 fi
7417 if test "$dmg" = "yes" ; then
7418   echo "CONFIG_DMG=y" >> $config_host_mak
7419 fi
7420 if test "$qcow1" = "yes" ; then
7421   echo "CONFIG_QCOW1=y" >> $config_host_mak
7422 fi
7423 if test "$vdi" = "yes" ; then
7424   echo "CONFIG_VDI=y" >> $config_host_mak
7425 fi
7426 if test "$vvfat" = "yes" ; then
7427   echo "CONFIG_VVFAT=y" >> $config_host_mak
7428 fi
7429 if test "$qed" = "yes" ; then
7430   echo "CONFIG_QED=y" >> $config_host_mak
7431 fi
7432 if test "$parallels" = "yes" ; then
7433   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7434 fi
7435 if test "$sheepdog" = "yes" ; then
7436   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7437 fi
7438
7439 if test "$plugins" = "yes" ; then
7440     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7441     LIBS="-ldl $LIBS"
7442     # Copy the export object list to the build dir
7443     if test "$ld_dynamic_list" = "yes" ; then
7444         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7445         ld_symbols=qemu-plugins-ld.symbols
7446         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7447     elif test "$ld_exported_symbols_list" = "yes" ; then
7448         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7449         ld64_symbols=qemu-plugins-ld64.symbols
7450         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7451         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7452             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7453     else
7454         error_exit \
7455             "If \$plugins=yes, either \$ld_dynamic_list or " \
7456             "\$ld_exported_symbols_list should have been set to 'yes'."
7457     fi
7458 fi
7459
7460 if test "$tcg_interpreter" = "yes"; then
7461   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7462 elif test "$ARCH" = "sparc64" ; then
7463   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7464 elif test "$ARCH" = "s390x" ; then
7465   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7466 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7467   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7468 elif test "$ARCH" = "ppc64" ; then
7469   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7470 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7471   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7472 else
7473   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7474 fi
7475 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7476
7477 echo "TOOLS=$tools" >> $config_host_mak
7478 echo "ROMS=$roms" >> $config_host_mak
7479 echo "MAKE=$make" >> $config_host_mak
7480 echo "INSTALL=$install" >> $config_host_mak
7481 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7482 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7483 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7484 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7485 echo "PYTHON=$python" >> $config_host_mak
7486 echo "PYTHON2=$python2" >> $config_host_mak
7487 echo "CC=$cc" >> $config_host_mak
7488 if $iasl -h > /dev/null 2>&1; then
7489   echo "IASL=$iasl" >> $config_host_mak
7490 fi
7491 echo "HOST_CC=$host_cc" >> $config_host_mak
7492 echo "CXX=$cxx" >> $config_host_mak
7493 echo "OBJCC=$objcc" >> $config_host_mak
7494 echo "AR=$ar" >> $config_host_mak
7495 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7496 echo "AS=$as" >> $config_host_mak
7497 echo "CCAS=$ccas" >> $config_host_mak
7498 echo "CPP=$cpp" >> $config_host_mak
7499 echo "OBJCOPY=$objcopy" >> $config_host_mak
7500 echo "LD=$ld" >> $config_host_mak
7501 echo "RANLIB=$ranlib" >> $config_host_mak
7502 echo "NM=$nm" >> $config_host_mak
7503 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7504 echo "WINDRES=$windres" >> $config_host_mak
7505 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7506 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7507 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7508 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7509 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7510 if test "$sparse" = "yes" ; then
7511   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7512   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7513   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7514   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7515   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7516 fi
7517 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7518 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7519 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7520 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7521 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7522 echo "LIBS+=$LIBS" >> $config_host_mak
7523 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7524 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7525 echo "EXESUF=$EXESUF" >> $config_host_mak
7526 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7527 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7528 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7529 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7530 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7531 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7532 if test "$gcov" = "yes" ; then
7533   echo "CONFIG_GCOV=y" >> $config_host_mak
7534   echo "GCOV=$gcov_tool" >> $config_host_mak
7535 fi
7536
7537 if test "$libudev" != "no"; then
7538     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7539     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7540 fi
7541
7542 if test "$edk2_blobs" = "yes" ; then
7543   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7544 fi
7545
7546 # use included Linux headers
7547 if test "$linux" = "yes" ; then
7548   mkdir -p linux-headers
7549   case "$cpu" in
7550   i386|x86_64|x32)
7551     linux_arch=x86
7552     ;;
7553   ppc|ppc64|ppc64le)
7554     linux_arch=powerpc
7555     ;;
7556   s390x)
7557     linux_arch=s390
7558     ;;
7559   aarch64)
7560     linux_arch=arm64
7561     ;;
7562   mips64)
7563     linux_arch=mips
7564     ;;
7565   *)
7566     # For most CPUs the kernel architecture name and QEMU CPU name match.
7567     linux_arch="$cpu"
7568     ;;
7569   esac
7570     # For non-KVM architectures we will not have asm headers
7571     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7572       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7573     fi
7574 fi
7575
7576 for target in $target_list; do
7577 target_dir="$target"
7578 config_target_mak=$target_dir/config-target.mak
7579 target_name=$(echo $target | cut -d '-' -f 1)
7580 target_aligned_only="no"
7581 case "$target_name" in
7582   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7583   target_aligned_only="yes"
7584   ;;
7585 esac
7586 target_bigendian="no"
7587 case "$target_name" in
7588   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7589   target_bigendian="yes"
7590   ;;
7591 esac
7592 target_softmmu="no"
7593 target_user_only="no"
7594 target_linux_user="no"
7595 target_bsd_user="no"
7596 case "$target" in
7597   ${target_name}-softmmu)
7598     target_softmmu="yes"
7599     ;;
7600   ${target_name}-linux-user)
7601     target_user_only="yes"
7602     target_linux_user="yes"
7603     ;;
7604   ${target_name}-bsd-user)
7605     target_user_only="yes"
7606     target_bsd_user="yes"
7607     ;;
7608   *)
7609     error_exit "Target '$target' not recognised"
7610     exit 1
7611     ;;
7612 esac
7613
7614 mkdir -p $target_dir
7615 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7616
7617 bflt="no"
7618 mttcg="no"
7619 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7620 gdb_xml_files=""
7621
7622 TARGET_ARCH="$target_name"
7623 TARGET_BASE_ARCH=""
7624 TARGET_ABI_DIR=""
7625
7626 case "$target_name" in
7627   i386)
7628     mttcg="yes"
7629         gdb_xml_files="i386-32bit.xml"
7630   ;;
7631   x86_64)
7632     TARGET_BASE_ARCH=i386
7633     mttcg="yes"
7634         gdb_xml_files="i386-64bit.xml"
7635   ;;
7636   alpha)
7637     mttcg="yes"
7638   ;;
7639   arm|armeb)
7640     TARGET_ARCH=arm
7641     bflt="yes"
7642     mttcg="yes"
7643     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7644   ;;
7645   aarch64|aarch64_be)
7646     TARGET_ARCH=aarch64
7647     TARGET_BASE_ARCH=arm
7648     bflt="yes"
7649     mttcg="yes"
7650     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7651   ;;
7652   cris)
7653   ;;
7654   hppa)
7655     mttcg="yes"
7656   ;;
7657   lm32)
7658   ;;
7659   m68k)
7660     bflt="yes"
7661     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7662   ;;
7663   microblaze|microblazeel)
7664     TARGET_ARCH=microblaze
7665     bflt="yes"
7666     echo "TARGET_ABI32=y" >> $config_target_mak
7667   ;;
7668   mips|mipsel)
7669     mttcg="yes"
7670     TARGET_ARCH=mips
7671     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7672   ;;
7673   mipsn32|mipsn32el)
7674     mttcg="yes"
7675     TARGET_ARCH=mips64
7676     TARGET_BASE_ARCH=mips
7677     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7678     echo "TARGET_ABI32=y" >> $config_target_mak
7679   ;;
7680   mips64|mips64el)
7681     mttcg="yes"
7682     TARGET_ARCH=mips64
7683     TARGET_BASE_ARCH=mips
7684     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7685   ;;
7686   moxie)
7687   ;;
7688   nios2)
7689   ;;
7690   or1k)
7691     TARGET_ARCH=openrisc
7692     TARGET_BASE_ARCH=openrisc
7693   ;;
7694   ppc)
7695     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7696   ;;
7697   ppc64)
7698     TARGET_BASE_ARCH=ppc
7699     TARGET_ABI_DIR=ppc
7700     mttcg=yes
7701     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7702   ;;
7703   ppc64le)
7704     TARGET_ARCH=ppc64
7705     TARGET_BASE_ARCH=ppc
7706     TARGET_ABI_DIR=ppc
7707     mttcg=yes
7708     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7709   ;;
7710   ppc64abi32)
7711     TARGET_ARCH=ppc64
7712     TARGET_BASE_ARCH=ppc
7713     TARGET_ABI_DIR=ppc
7714     echo "TARGET_ABI32=y" >> $config_target_mak
7715     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7716   ;;
7717   riscv32)
7718     TARGET_BASE_ARCH=riscv
7719     TARGET_ABI_DIR=riscv
7720     mttcg=yes
7721     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7722   ;;
7723   riscv64)
7724     TARGET_BASE_ARCH=riscv
7725     TARGET_ABI_DIR=riscv
7726     mttcg=yes
7727     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7728   ;;
7729   sh4|sh4eb)
7730     TARGET_ARCH=sh4
7731     bflt="yes"
7732   ;;
7733   sparc)
7734   ;;
7735   sparc64)
7736     TARGET_BASE_ARCH=sparc
7737   ;;
7738   sparc32plus)
7739     TARGET_ARCH=sparc64
7740     TARGET_BASE_ARCH=sparc
7741     TARGET_ABI_DIR=sparc
7742     echo "TARGET_ABI32=y" >> $config_target_mak
7743   ;;
7744   s390x)
7745     mttcg=yes
7746     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7747   ;;
7748   tilegx)
7749   ;;
7750   tricore)
7751   ;;
7752   unicore32)
7753   ;;
7754   xtensa|xtensaeb)
7755     TARGET_ARCH=xtensa
7756     bflt="yes"
7757     mttcg="yes"
7758   ;;
7759   *)
7760     error_exit "Unsupported target CPU"
7761   ;;
7762 esac
7763 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7764 if [ "$TARGET_BASE_ARCH" = "" ]; then
7765   TARGET_BASE_ARCH=$TARGET_ARCH
7766 fi
7767
7768 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7769
7770 upper() {
7771     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7772 }
7773
7774 target_arch_name="$(upper $TARGET_ARCH)"
7775 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7776 echo "TARGET_NAME=$target_name" >> $config_target_mak
7777 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7778 if [ "$TARGET_ABI_DIR" = "" ]; then
7779   TARGET_ABI_DIR=$TARGET_ARCH
7780 fi
7781 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7782 if [ "$HOST_VARIANT_DIR" != "" ]; then
7783     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7784 fi
7785
7786 if supported_xen_target $target; then
7787     echo "CONFIG_XEN=y" >> $config_target_mak
7788     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7789     if test "$xen_pci_passthrough" = yes; then
7790         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7791     fi
7792 else
7793     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7794 fi
7795 if supported_kvm_target $target; then
7796     echo "CONFIG_KVM=y" >> $config_target_mak
7797     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7798 else
7799     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7800 fi
7801 if supported_hax_target $target; then
7802     echo "CONFIG_HAX=y" >> $config_target_mak
7803 fi
7804 if supported_hvf_target $target; then
7805     echo "CONFIG_HVF=y" >> $config_target_mak
7806 fi
7807 if supported_whpx_target $target; then
7808     echo "CONFIG_WHPX=y" >> $config_target_mak
7809 fi
7810 if test "$target_aligned_only" = "yes" ; then
7811   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7812 fi
7813 if test "$target_bigendian" = "yes" ; then
7814   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7815 fi
7816 if test "$target_softmmu" = "yes" ; then
7817   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7818   if test "$mttcg" = "yes" ; then
7819     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7820   fi
7821 fi
7822 if test "$target_user_only" = "yes" ; then
7823   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7824   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7825 fi
7826 if test "$target_linux_user" = "yes" ; then
7827   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7828 fi
7829 list=""
7830 if test ! -z "$gdb_xml_files" ; then
7831   for x in $gdb_xml_files; do
7832     list="$list $source_path/gdb-xml/$x"
7833   done
7834   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7835 fi
7836
7837 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7838   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7839 fi
7840 if test "$target_bsd_user" = "yes" ; then
7841   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7842 fi
7843
7844
7845 # generate QEMU_CFLAGS/LDFLAGS for targets
7846
7847 cflags=""
7848 ldflags=""
7849
7850 disas_config() {
7851   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7852   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7853 }
7854
7855 for i in $ARCH $TARGET_BASE_ARCH ; do
7856   case "$i" in
7857   alpha)
7858     disas_config "ALPHA"
7859   ;;
7860   aarch64)
7861     if test -n "${cxx}"; then
7862       disas_config "ARM_A64"
7863     fi
7864   ;;
7865   arm)
7866     disas_config "ARM"
7867     if test -n "${cxx}"; then
7868       disas_config "ARM_A64"
7869     fi
7870   ;;
7871   cris)
7872     disas_config "CRIS"
7873   ;;
7874   hppa)
7875     disas_config "HPPA"
7876   ;;
7877   i386|x86_64|x32)
7878     disas_config "I386"
7879   ;;
7880   lm32)
7881     disas_config "LM32"
7882   ;;
7883   m68k)
7884     disas_config "M68K"
7885   ;;
7886   microblaze*)
7887     disas_config "MICROBLAZE"
7888   ;;
7889   mips*)
7890     disas_config "MIPS"
7891     if test -n "${cxx}"; then
7892       disas_config "NANOMIPS"
7893     fi
7894   ;;
7895   moxie*)
7896     disas_config "MOXIE"
7897   ;;
7898   nios2)
7899     disas_config "NIOS2"
7900   ;;
7901   or1k)
7902     disas_config "OPENRISC"
7903   ;;
7904   ppc*)
7905     disas_config "PPC"
7906   ;;
7907   riscv*)
7908     disas_config "RISCV"
7909   ;;
7910   s390*)
7911     disas_config "S390"
7912   ;;
7913   sh4)
7914     disas_config "SH4"
7915   ;;
7916   sparc*)
7917     disas_config "SPARC"
7918   ;;
7919   xtensa*)
7920     disas_config "XTENSA"
7921   ;;
7922   esac
7923 done
7924 if test "$tcg_interpreter" = "yes" ; then
7925   disas_config "TCI"
7926 fi
7927
7928 case "$ARCH" in
7929 alpha)
7930   # Ensure there's only a single GP
7931   cflags="-msmall-data $cflags"
7932 ;;
7933 esac
7934
7935 if test "$gprof" = "yes" ; then
7936   echo "TARGET_GPROF=y" >> $config_target_mak
7937   if test "$target_linux_user" = "yes" ; then
7938     cflags="-p $cflags"
7939     ldflags="-p $ldflags"
7940   fi
7941   if test "$target_softmmu" = "yes" ; then
7942     ldflags="-p $ldflags"
7943     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7944   fi
7945 fi
7946
7947 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7948   ldflags="$ldflags $textseg_ldflags"
7949 fi
7950
7951 # Newer kernels on s390 check for an S390_PGSTE program header and
7952 # enable the pgste page table extensions in that case. This makes
7953 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7954 # header if
7955 #  - we build on s390x
7956 #  - we build the system emulation for s390x (qemu-system-s390x)
7957 #  - KVM is enabled
7958 #  - the linker supports --s390-pgste
7959 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7960         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7961     if ld_has --s390-pgste ; then
7962         ldflags="-Wl,--s390-pgste $ldflags"
7963     fi
7964 fi
7965
7966 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7967 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7968
7969 done # for target in $targets
7970
7971 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
7972 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
7973
7974 if [ "$fdt" = "git" ]; then
7975   echo "config-host.h: dtc/all" >> $config_host_mak
7976 fi
7977 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7978   echo "config-host.h: capstone/all" >> $config_host_mak
7979 fi
7980 if test -n "$LIBCAPSTONE"; then
7981   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7982 fi
7983
7984 if test "$numa" = "yes"; then
7985   echo "CONFIG_NUMA=y" >> $config_host_mak
7986 fi
7987
7988 if test "$ccache_cpp2" = "yes"; then
7989   echo "export CCACHE_CPP2=y" >> $config_host_mak
7990 fi
7991
7992 # If we're using a separate build tree, set it up now.
7993 # DIRS are directories which we simply mkdir in the build tree;
7994 # LINKS are things to symlink back into the source tree
7995 # (these can be both files and directories).
7996 # Caution: do not add files or directories here using wildcards. This
7997 # will result in problems later if a new file matching the wildcard is
7998 # added to the source tree -- nothing will cause configure to be rerun
7999 # so the build tree will be missing the link back to the new file, and
8000 # tests might fail. Prefer to keep the relevant files in their own
8001 # directory and symlink the directory instead.
8002 DIRS="tests tests/tcg tests/tcg/lm32 tests/libqos tests/qapi-schema tests/qemu-iotests tests/vm"
8003 DIRS="$DIRS tests/fp tests/qgraph"
8004 DIRS="$DIRS docs docs/interop fsdev scsi"
8005 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8006 DIRS="$DIRS roms/seabios roms/vgabios"
8007 LINKS="Makefile"
8008 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8009 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8010 LINKS="$LINKS tests/plugin/Makefile"
8011 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8012 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8013 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8014 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8015 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8016 LINKS="$LINKS tests/acceptance tests/data"
8017 LINKS="$LINKS tests/qemu-iotests/check"
8018 LINKS="$LINKS python"
8019 for bios_file in \
8020     $source_path/pc-bios/*.bin \
8021     $source_path/pc-bios/*.lid \
8022     $source_path/pc-bios/*.rom \
8023     $source_path/pc-bios/*.dtb \
8024     $source_path/pc-bios/*.img \
8025     $source_path/pc-bios/openbios-* \
8026     $source_path/pc-bios/u-boot.* \
8027     $source_path/pc-bios/edk2-*.fd.bz2 \
8028     $source_path/pc-bios/palcode-*
8029 do
8030     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8031 done
8032 mkdir -p $DIRS
8033 for f in $LINKS ; do
8034     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8035         symlink "$source_path/$f" "$f"
8036     fi
8037 done
8038
8039 (for i in $cross_cc_vars; do
8040   export $i
8041 done
8042 export target_list source_path
8043 $source_path/tests/tcg/configure.sh)
8044
8045 # temporary config to build submodules
8046 for rom in seabios vgabios ; do
8047     config_mak=roms/$rom/config.mak
8048     echo "# Automatically generated by configure - do not modify" > $config_mak
8049     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8050     echo "AS=$as" >> $config_mak
8051     echo "CCAS=$ccas" >> $config_mak
8052     echo "CC=$cc" >> $config_mak
8053     echo "BCC=bcc" >> $config_mak
8054     echo "CPP=$cpp" >> $config_mak
8055     echo "OBJCOPY=objcopy" >> $config_mak
8056     echo "IASL=$iasl" >> $config_mak
8057     echo "LD=$ld" >> $config_mak
8058     echo "RANLIB=$ranlib" >> $config_mak
8059 done
8060
8061 # set up qemu-iotests in this build directory
8062 iotests_common_env="tests/qemu-iotests/common.env"
8063
8064 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8065 echo >> "$iotests_common_env"
8066 echo "export PYTHON='$python'" >> "$iotests_common_env"
8067
8068 # Save the configure command line for later reuse.
8069 cat <<EOD >config.status
8070 #!/bin/sh
8071 # Generated by configure.
8072 # Run this file to recreate the current configuration.
8073 # Compiler output produced by configure, useful for debugging
8074 # configure, is in config.log if it exists.
8075 EOD
8076
8077 preserve_env() {
8078     envname=$1
8079
8080     eval envval=\$$envname
8081
8082     if test -n "$envval"
8083     then
8084         echo "$envname='$envval'" >> config.status
8085         echo "export $envname" >> config.status
8086     else
8087         echo "unset $envname" >> config.status
8088     fi
8089 }
8090
8091 # Preserve various env variables that influence what
8092 # features/build target configure will detect
8093 preserve_env AR
8094 preserve_env AS
8095 preserve_env CC
8096 preserve_env CPP
8097 preserve_env CXX
8098 preserve_env INSTALL
8099 preserve_env LD
8100 preserve_env LD_LIBRARY_PATH
8101 preserve_env LIBTOOL
8102 preserve_env MAKE
8103 preserve_env NM
8104 preserve_env OBJCOPY
8105 preserve_env PATH
8106 preserve_env PKG_CONFIG
8107 preserve_env PKG_CONFIG_LIBDIR
8108 preserve_env PKG_CONFIG_PATH
8109 preserve_env PYTHON
8110 preserve_env SDL2_CONFIG
8111 preserve_env SMBD
8112 preserve_env STRIP
8113 preserve_env WINDRES
8114
8115 printf "exec" >>config.status
8116 printf " '%s'" "$0" "$@" >>config.status
8117 echo ' "$@"' >>config.status
8118 chmod +x config.status
8119
8120 rm -r "$TMPDIR1"