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