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 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_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 $QEMU_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" "$PWD" | grep -q "[[:space:]:]";
 284 then
 285   error_exit "main directory cannot contain spaces nor colons"
 286 fi
 287
 288 # default parameters
 289 cpu=""
 290 iasl="iasl"
 291 interp_prefix="/usr/gnemul/qemu-%M"
 292 static="no"
 293 cross_prefix=""
 294 audio_drv_list=""
 295 block_drv_rw_whitelist=""
 296 block_drv_ro_whitelist=""
 297 host_cc="cc"
 298 libs_cpu=""
 299 libs_softmmu=""
 300 libs_tools=""
 301 audio_win_int=""
 302 libs_qga=""
 303 debug_info="yes"
 304 stack_protector=""
 305 use_containers="yes"
 306
 307 if test -e "$source_path/.git"
 308 then
 309     git_update=yes
 310     git_submodules="ui/keycodemapdb"
 311     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 312     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 313 else
 314     git_update=no
 315     git_submodules=""
 316
 317     if ! test -f "$source_path/ui/keycodemapdb/README"
 318     then
 319         echo
 320         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 321         echo
 322         echo "This is not a GIT checkout but module content appears to"
 323         echo "be missing. Do not use 'git archive' or GitHub download links"
 324         echo "to acquire QEMU source archives. Non-GIT builds are only"
 325         echo "supported with source archives linked from:"
 326         echo
 327         echo "  https://www.qemu.org/download/#source"
 328         echo
 329         echo "Developers working with GIT can use scripts/archive-source.sh"
 330         echo "if they need to create valid source archives."
 331         echo
 332         exit 1
 333     fi
 334 fi
 335 git="git"
 336
 337 # Don't accept a target_list environment variable.
 338 unset target_list
 339 unset target_list_exclude
 340
 341 # Default value for a variable defining feature "foo".
 342 #  * foo="no"  feature will only be used if --enable-foo arg is given
 343 #  * foo=""    feature will be searched for, and if found, will be used
 344 #              unless --disable-foo is given
 345 #  * foo="yes" this value will only be set by --enable-foo flag.
 346 #              feature will searched for,
 347 #              if not found, configure exits with error
 348 #
 349 # Always add --enable-foo and --disable-foo command line args.
 350 # Distributions want to ensure that several features are compiled in, and it
 351 # is impossible without a --enable-foo that exits if a feature is not found.
 352
 353 brlapi=""
 354 curl=""
 355 curses=""
 356 docs=""
 357 fdt=""
 358 netmap="no"
 359 sdl=""
 360 sdl_image=""
 361 virtfs=""
 362 mpath=""
 363 vnc="yes"
 364 sparse="no"
 365 vde=""
 366 vnc_sasl=""
 367 vnc_jpeg=""
 368 vnc_png=""
 369 xkbcommon=""
 370 xen=""
 371 xen_ctrl_version=""
 372 xen_pci_passthrough=""
 373 linux_aio=""
 374 linux_io_uring=""
 375 cap_ng=""
 376 attr=""
 377 libattr=""
 378 xfs=""
 379 tcg="yes"
 380 membarrier=""
 381 vhost_net=""
 382 vhost_crypto=""
 383 vhost_scsi=""
 384 vhost_vsock=""
 385 vhost_user=""
 386 vhost_user_fs=""
 387 kvm="no"
 388 hax="no"
 389 hvf="no"
 390 whpx="no"
 391 rdma=""
 392 pvrdma=""
 393 gprof="no"
 394 debug_tcg="no"
 395 debug="no"
 396 sanitizers="no"
 397 fortify_source=""
 398 strip_opt="yes"
 399 tcg_interpreter="no"
 400 bigendian="no"
 401 mingw32="no"
 402 gcov="no"
 403 gcov_tool="gcov"
 404 EXESUF=""
 405 DSOSUF=".so"
 406 LDFLAGS_SHARED="-shared"
 407 modules="no"
 408 prefix="/usr/local"
 409 mandir="\${prefix}/share/man"
 410 datadir="\${prefix}/share"
 411 firmwarepath="\${prefix}/share/qemu-firmware"
 412 qemu_docdir="\${prefix}/share/doc/qemu"
 413 bindir="\${prefix}/bin"
 414 libdir="\${prefix}/lib"
 415 libexecdir="\${prefix}/libexec"
 416 includedir="\${prefix}/include"
 417 sysconfdir="\${prefix}/etc"
 418 local_statedir="\${prefix}/var"
 419 confsuffix="/qemu"
 420 slirp=""
 421 oss_lib=""
 422 bsd="no"
 423 linux="no"
 424 solaris="no"
 425 profiler="no"
 426 cocoa="no"
 427 softmmu="yes"
 428 linux_user="no"
 429 bsd_user="no"
 430 blobs="yes"
 431 edk2_blobs="no"
 432 pkgversion=""
 433 pie=""
 434 qom_cast_debug="yes"
 435 trace_backends="log"
 436 trace_file="trace"
 437 spice=""
 438 rbd=""
 439 smartcard=""
 440 libusb=""
 441 usb_redir=""
 442 opengl=""
 443 opengl_dmabuf="no"
 444 cpuid_h="no"
 445 avx2_opt=""
 446 zlib="yes"
 447 capstone=""
 448 lzo=""
 449 snappy=""
 450 bzip2=""
 451 lzfse=""
 452 guest_agent=""
 453 guest_agent_with_vss="no"
 454 guest_agent_ntddscsi="no"
 455 guest_agent_msi=""
 456 vss_win32_sdk=""
 457 win_sdk="no"
 458 want_tools="yes"
 459 libiscsi=""
 460 libnfs=""
 461 coroutine=""
 462 coroutine_pool=""
 463 debug_stack_usage="no"
 464 crypto_afalg="no"
 465 seccomp=""
 466 glusterfs=""
 467 glusterfs_xlator_opt="no"
 468 glusterfs_discard="no"
 469 glusterfs_fallocate="no"
 470 glusterfs_zerofill="no"
 471 glusterfs_ftruncate_has_stat="no"
 472 glusterfs_iocb_has_stat="no"
 473 gtk=""
 474 gtk_gl="no"
 475 tls_priority="NORMAL"
 476 gnutls=""
 477 nettle=""
 478 nettle_xts="no"
 479 gcrypt=""
 480 gcrypt_hmac="no"
 481 gcrypt_xts="no"
 482 qemu_private_xts="yes"
 483 auth_pam=""
 484 vte=""
 485 virglrenderer=""
 486 tpm=""
 487 libssh=""
 488 live_block_migration="yes"
 489 numa=""
 490 tcmalloc="no"
 491 jemalloc="no"
 492 replication="yes"
 493 vxhs=""
 494 bochs="yes"
 495 cloop="yes"
 496 dmg="yes"
 497 qcow1="yes"
 498 vdi="yes"
 499 vvfat="yes"
 500 qed="yes"
 501 parallels="yes"
 502 sheepdog="yes"
 503 libxml2=""
 504 debug_mutex="no"
 505 libpmem=""
 506 default_devices="yes"
 507 plugins="no"
 508
 509 supported_cpu="no"
 510 supported_os="no"
 511 bogus_os="no"
 512 malloc_trim=""
 513
 514 # parse CC options first
 515 for opt do
 516   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 517   case "$opt" in
 518   --cross-prefix=*) cross_prefix="$optarg"
 519   ;;
 520   --cc=*) CC="$optarg"
 521   ;;
 522   --cxx=*) CXX="$optarg"
 523   ;;
 524   --cpu=*) cpu="$optarg"
 525   ;;
 526   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 527                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 528   ;;
 529   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 530   ;;
 531   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 532                      EXTRA_LDFLAGS="$optarg"
 533   ;;
 534   --enable-debug-info) debug_info="yes"
 535   ;;
 536   --disable-debug-info) debug_info="no"
 537   ;;
 538   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 539   ;;
 540   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 541                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 542                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 543   ;;
 544   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 545                 cc_archs="$cc_archs $cc_arch"
 546                 eval "cross_cc_${cc_arch}=\$optarg"
 547                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 548   ;;
 549   esac
 550 done
 551 # OS specific
 552 # Using uname is really, really broken.  Once we have the right set of checks
 553 # we can eliminate its usage altogether.
 554
 555 # Preferred compiler:
 556 #  ${CC} (if set)
 557 #  ${cross_prefix}gcc (if cross-prefix specified)
 558 #  system compiler
 559 if test -z "${CC}${cross_prefix}"; then
 560   cc="$host_cc"
 561 else
 562   cc="${CC-${cross_prefix}gcc}"
 563 fi
 564
 565 if test -z "${CXX}${cross_prefix}"; then
 566   cxx="c++"
 567 else
 568   cxx="${CXX-${cross_prefix}g++}"
 569 fi
 570
 571 ar="${AR-${cross_prefix}ar}"
 572 as="${AS-${cross_prefix}as}"
 573 ccas="${CCAS-$cc}"
 574 cpp="${CPP-$cc -E}"
 575 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 576 ld="${LD-${cross_prefix}ld}"
 577 ranlib="${RANLIB-${cross_prefix}ranlib}"
 578 nm="${NM-${cross_prefix}nm}"
 579 strip="${STRIP-${cross_prefix}strip}"
 580 windres="${WINDRES-${cross_prefix}windres}"
 581 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 582 query_pkg_config() {
 583     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 584 }
 585 pkg_config=query_pkg_config
 586 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 587
 588 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 589 ARFLAGS="${ARFLAGS-rv}"
 590
 591 # default flags for all hosts
 592 # We use -fwrapv to tell the compiler that we require a C dialect where
 593 # left shift of signed integers is well defined and has the expected
 594 # 2s-complement style results. (Both clang and gcc agree that it
 595 # provides these semantics.)
 596 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 597 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 598 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 599 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 600 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 601 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 602 if test "$debug_info" = "yes"; then
 603     CFLAGS="-g $CFLAGS"
 604 fi
 605
 606 # running configure in the source tree?
 607 # we know that's the case if configure is there.
 608 if test -f "./configure"; then
 609     pwd_is_source_path="y"
 610 else
 611     pwd_is_source_path="n"
 612 fi
 613
 614 check_define() {
 615 cat > $TMPC <<EOF
 616 #if !defined($1)
 617 #error $1 not defined
 618 #endif
 619 int main(void) { return 0; }
 620 EOF
 621   compile_object
 622 }
 623
 624 check_include() {
 625 cat > $TMPC <<EOF
 626 #include <$1>
 627 int main(void) { return 0; }
 628 EOF
 629   compile_object
 630 }
 631
 632 write_c_skeleton() {
 633     cat > $TMPC <<EOF
 634 int main(void) { return 0; }
 635 EOF
 636 }
 637
 638 if check_define __linux__ ; then
 639   targetos="Linux"
 640 elif check_define _WIN32 ; then
 641   targetos='MINGW32'
 642 elif check_define __OpenBSD__ ; then
 643   targetos='OpenBSD'
 644 elif check_define __sun__ ; then
 645   targetos='SunOS'
 646 elif check_define __HAIKU__ ; then
 647   targetos='Haiku'
 648 elif check_define __FreeBSD__ ; then
 649   targetos='FreeBSD'
 650 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 651   targetos='GNU/kFreeBSD'
 652 elif check_define __DragonFly__ ; then
 653   targetos='DragonFly'
 654 elif check_define __NetBSD__; then
 655   targetos='NetBSD'
 656 elif check_define __APPLE__; then
 657   targetos='Darwin'
 658 else
 659   # This is a fatal error, but don't report it yet, because we
 660   # might be going to just print the --help text, or it might
 661   # be the result of a missing compiler.
 662   targetos='bogus'
 663   bogus_os='yes'
 664 fi
 665
 666 # Some host OSes need non-standard checks for which CPU to use.
 667 # Note that these checks are broken for cross-compilation: if you're
 668 # cross-compiling to one of these OSes then you'll need to specify
 669 # the correct CPU with the --cpu option.
 670 case $targetos in
 671 Darwin)
 672   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 673   # run 64-bit userspace code.
 674   # If the user didn't specify a CPU explicitly and the kernel says this is
 675   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 676   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 677     cpu="x86_64"
 678   fi
 679   ;;
 680 SunOS)
 681   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 682   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 683     cpu="x86_64"
 684   fi
 685 esac
 686
 687 if test ! -z "$cpu" ; then
 688   # command line argument
 689   :
 690 elif check_define __i386__ ; then
 691   cpu="i386"
 692 elif check_define __x86_64__ ; then
 693   if check_define __ILP32__ ; then
 694     cpu="x32"
 695   else
 696     cpu="x86_64"
 697   fi
 698 elif check_define __sparc__ ; then
 699   if check_define __arch64__ ; then
 700     cpu="sparc64"
 701   else
 702     cpu="sparc"
 703   fi
 704 elif check_define _ARCH_PPC ; then
 705   if check_define _ARCH_PPC64 ; then
 706     if check_define _LITTLE_ENDIAN ; then
 707       cpu="ppc64le"
 708     else
 709       cpu="ppc64"
 710     fi
 711   else
 712     cpu="ppc"
 713   fi
 714 elif check_define __mips__ ; then
 715   cpu="mips"
 716 elif check_define __s390__ ; then
 717   if check_define __s390x__ ; then
 718     cpu="s390x"
 719   else
 720     cpu="s390"
 721   fi
 722 elif check_define __riscv ; then
 723   if check_define _LP64 ; then
 724     cpu="riscv64"
 725   else
 726     cpu="riscv32"
 727   fi
 728 elif check_define __arm__ ; then
 729   cpu="arm"
 730 elif check_define __aarch64__ ; then
 731   cpu="aarch64"
 732 else
 733   cpu=$(uname -m)
 734 fi
 735
 736 ARCH=
 737 # Normalise host CPU name and set ARCH.
 738 # Note that this case should only have supported host CPUs, not guests.
 739 case "$cpu" in
 740   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 741     supported_cpu="yes"
 742   ;;
 743   ppc64le)
 744     ARCH="ppc64"
 745     supported_cpu="yes"
 746   ;;
 747   i386|i486|i586|i686|i86pc|BePC)
 748     cpu="i386"
 749     supported_cpu="yes"
 750   ;;
 751   x86_64|amd64)
 752     cpu="x86_64"
 753     supported_cpu="yes"
 754   ;;
 755   armv*b|armv*l|arm)
 756     cpu="arm"
 757     supported_cpu="yes"
 758   ;;
 759   aarch64)
 760     cpu="aarch64"
 761     supported_cpu="yes"
 762   ;;
 763   mips*)
 764     cpu="mips"
 765     supported_cpu="yes"
 766   ;;
 767   sparc|sun4[cdmuv])
 768     cpu="sparc"
 769     supported_cpu="yes"
 770   ;;
 771   *)
 772     # This will result in either an error or falling back to TCI later
 773     ARCH=unknown
 774   ;;
 775 esac
 776 if test -z "$ARCH"; then
 777   ARCH="$cpu"
 778 fi
 779
 780 # OS specific
 781
 782 # host *BSD for user mode
 783 HOST_VARIANT_DIR=""
 784
 785 case $targetos in
 786 MINGW32*)
 787   mingw32="yes"
 788   hax="yes"
 789   vhost_user="no"
 790   audio_possible_drivers="dsound sdl"
 791   if check_include dsound.h; then
 792     audio_drv_list="dsound"
 793   else
 794     audio_drv_list=""
 795   fi
 796   supported_os="yes"
 797 ;;
 798 GNU/kFreeBSD)
 799   bsd="yes"
 800   audio_drv_list="oss try-sdl"
 801   audio_possible_drivers="oss sdl pa"
 802 ;;
 803 FreeBSD)
 804   bsd="yes"
 805   make="${MAKE-gmake}"
 806   audio_drv_list="oss try-sdl"
 807   audio_possible_drivers="oss sdl pa"
 808   # needed for kinfo_getvmmap(3) in libutil.h
 809   LIBS="-lutil $LIBS"
 810   # needed for kinfo_getproc
 811   libs_qga="-lutil $libs_qga"
 812   netmap=""  # enable netmap autodetect
 813   HOST_VARIANT_DIR="freebsd"
 814   supported_os="yes"
 815 ;;
 816 DragonFly)
 817   bsd="yes"
 818   make="${MAKE-gmake}"
 819   audio_drv_list="oss try-sdl"
 820   audio_possible_drivers="oss sdl pa"
 821   HOST_VARIANT_DIR="dragonfly"
 822 ;;
 823 NetBSD)
 824   bsd="yes"
 825   hax="yes"
 826   make="${MAKE-gmake}"
 827   audio_drv_list="oss try-sdl"
 828   audio_possible_drivers="oss sdl"
 829   oss_lib="-lossaudio"
 830   HOST_VARIANT_DIR="netbsd"
 831   supported_os="yes"
 832 ;;
 833 OpenBSD)
 834   bsd="yes"
 835   make="${MAKE-gmake}"
 836   audio_drv_list="try-sdl"
 837   audio_possible_drivers="sdl"
 838   HOST_VARIANT_DIR="openbsd"
 839   supported_os="yes"
 840 ;;
 841 Darwin)
 842   bsd="yes"
 843   darwin="yes"
 844   hax="yes"
 845   hvf="yes"
 846   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 847   if [ "$cpu" = "x86_64" ] ; then
 848     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 849     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 850   fi
 851   cocoa="yes"
 852   audio_drv_list="coreaudio try-sdl"
 853   audio_possible_drivers="coreaudio sdl"
 854   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 855   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 856   # Disable attempts to use ObjectiveC features in os/object.h since they
 857   # won't work when we're compiling with gcc as a C compiler.
 858   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 859   HOST_VARIANT_DIR="darwin"
 860   supported_os="yes"
 861 ;;
 862 SunOS)
 863   solaris="yes"
 864   make="${MAKE-gmake}"
 865   install="${INSTALL-ginstall}"
 866   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 867   if test -f /usr/include/sys/soundcard.h ; then
 868     audio_drv_list="oss try-sdl"
 869   fi
 870   audio_possible_drivers="oss sdl"
 871 # needed for CMSG_ macros in sys/socket.h
 872   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 873 # needed for TIOCWIN* defines in termios.h
 874   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 875   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 876   solarisnetlibs="-lsocket -lnsl -lresolv"
 877   LIBS="$solarisnetlibs $LIBS"
 878   libs_qga="$solarisnetlibs $libs_qga"
 879 ;;
 880 Haiku)
 881   haiku="yes"
 882   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 883   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 884 ;;
 885 Linux)
 886   audio_drv_list="try-pa oss"
 887   audio_possible_drivers="oss alsa sdl pa"
 888   linux="yes"
 889   linux_user="yes"
 890   kvm="yes"
 891   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 892   supported_os="yes"
 893   libudev="yes"
 894 ;;
 895 esac
 896
 897 if [ "$bsd" = "yes" ] ; then
 898   if [ "$darwin" != "yes" ] ; then
 899     bsd_user="yes"
 900   fi
 901 fi
 902
 903 : ${make=${MAKE-make}}
 904 : ${install=${INSTALL-install}}
 905 # We prefer python 3.x. A bare 'python' is traditionally
 906 # python 2.x, but some distros have it as python 3.x, so
 907 # we check that too
 908 python=
 909 for binary in "${PYTHON-python3}" python
 910 do
 911     if has "$binary"
 912     then
 913         python=$(command -v "$binary")
 914         break
 915     fi
 916 done
 917 : ${smbd=${SMBD-/usr/sbin/smbd}}
 918
 919 # Default objcc to clang if available, otherwise use CC
 920 if has clang; then
 921   objcc=clang
 922 else
 923   objcc="$cc"
 924 fi
 925
 926 if test "$mingw32" = "yes" ; then
 927   EXESUF=".exe"
 928   DSOSUF=".dll"
 929   # MinGW needs -mthreads for TLS and macro _MT.
 930   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 931   LIBS="-lwinmm -lws2_32 $LIBS"
 932   write_c_skeleton;
 933   if compile_prog "" "-liberty" ; then
 934     LIBS="-liberty $LIBS"
 935   fi
 936   prefix="c:/Program Files/QEMU"
 937   mandir="\${prefix}"
 938   datadir="\${prefix}"
 939   qemu_docdir="\${prefix}"
 940   bindir="\${prefix}"
 941   sysconfdir="\${prefix}"
 942   local_statedir=
 943   confsuffix=""
 944   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 945 fi
 946
 947 werror=""
 948
 949 for opt do
 950   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 951   case "$opt" in
 952   --help|-h) show_help=yes
 953   ;;
 954   --version|-V) exec cat $source_path/VERSION
 955   ;;
 956   --prefix=*) prefix="$optarg"
 957   ;;
 958   --interp-prefix=*) interp_prefix="$optarg"
 959   ;;
 960   --cross-prefix=*)
 961   ;;
 962   --cc=*)
 963   ;;
 964   --host-cc=*) host_cc="$optarg"
 965   ;;
 966   --cxx=*)
 967   ;;
 968   --iasl=*) iasl="$optarg"
 969   ;;
 970   --objcc=*) objcc="$optarg"
 971   ;;
 972   --make=*) make="$optarg"
 973   ;;
 974   --install=*) install="$optarg"
 975   ;;
 976   --python=*) python="$optarg"
 977   ;;
 978   --gcov=*) gcov_tool="$optarg"
 979   ;;
 980   --smbd=*) smbd="$optarg"
 981   ;;
 982   --extra-cflags=*)
 983   ;;
 984   --extra-cxxflags=*)
 985   ;;
 986   --extra-ldflags=*)
 987   ;;
 988   --enable-debug-info)
 989   ;;
 990   --disable-debug-info)
 991   ;;
 992   --cross-cc-*)
 993   ;;
 994   --enable-modules)
 995       modules="yes"
 996   ;;
 997   --disable-modules)
 998       modules="no"
 999   ;;
1000   --cpu=*)
1001   ;;
1002   --target-list=*) target_list="$optarg"
1003                    if test "$target_list_exclude"; then
1004                        error_exit "Can't mix --target-list with --target-list-exclude"
1005                    fi
1006   ;;
1007   --target-list-exclude=*) target_list_exclude="$optarg"
1008                    if test "$target_list"; then
1009                        error_exit "Can't mix --target-list-exclude with --target-list"
1010                    fi
1011   ;;
1012   --enable-trace-backends=*) trace_backends="$optarg"
1013   ;;
1014   # XXX: backwards compatibility
1015   --enable-trace-backend=*) trace_backends="$optarg"
1016   ;;
1017   --with-trace-file=*) trace_file="$optarg"
1018   ;;
1019   --with-default-devices) default_devices="yes"
1020   ;;
1021   --without-default-devices) default_devices="no"
1022   ;;
1023   --enable-gprof) gprof="yes"
1024   ;;
1025   --enable-gcov) gcov="yes"
1026   ;;
1027   --static)
1028     static="yes"
1029     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1030     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1031   ;;
1032   --mandir=*) mandir="$optarg"
1033   ;;
1034   --bindir=*) bindir="$optarg"
1035   ;;
1036   --libdir=*) libdir="$optarg"
1037   ;;
1038   --libexecdir=*) libexecdir="$optarg"
1039   ;;
1040   --includedir=*) includedir="$optarg"
1041   ;;
1042   --datadir=*) datadir="$optarg"
1043   ;;
1044   --with-confsuffix=*) confsuffix="$optarg"
1045   ;;
1046   --docdir=*) qemu_docdir="$optarg"
1047   ;;
1048   --sysconfdir=*) sysconfdir="$optarg"
1049   ;;
1050   --localstatedir=*) local_statedir="$optarg"
1051   ;;
1052   --firmwarepath=*) firmwarepath="$optarg"
1053   ;;
1054   --host=*|--build=*|\
1055   --disable-dependency-tracking|\
1056   --sbindir=*|--sharedstatedir=*|\
1057   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1058   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1059     # These switches are silently ignored, for compatibility with
1060     # autoconf-generated configure scripts. This allows QEMU's
1061     # configure to be used by RPM and similar macros that set
1062     # lots of directory switches by default.
1063   ;;
1064   --disable-sdl) sdl="no"
1065   ;;
1066   --enable-sdl) sdl="yes"
1067   ;;
1068   --disable-sdl-image) sdl_image="no"
1069   ;;
1070   --enable-sdl-image) sdl_image="yes"
1071   ;;
1072   --disable-qom-cast-debug) qom_cast_debug="no"
1073   ;;
1074   --enable-qom-cast-debug) qom_cast_debug="yes"
1075   ;;
1076   --disable-virtfs) virtfs="no"
1077   ;;
1078   --enable-virtfs) virtfs="yes"
1079   ;;
1080   --disable-mpath) mpath="no"
1081   ;;
1082   --enable-mpath) mpath="yes"
1083   ;;
1084   --disable-vnc) vnc="no"
1085   ;;
1086   --enable-vnc) vnc="yes"
1087   ;;
1088   --oss-lib=*) oss_lib="$optarg"
1089   ;;
1090   --audio-drv-list=*) audio_drv_list="$optarg"
1091   ;;
1092   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1093   ;;
1094   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1095   ;;
1096   --enable-debug-tcg) debug_tcg="yes"
1097   ;;
1098   --disable-debug-tcg) debug_tcg="no"
1099   ;;
1100   --enable-debug)
1101       # Enable debugging options that aren't excessively noisy
1102       debug_tcg="yes"
1103       debug_mutex="yes"
1104       debug="yes"
1105       strip_opt="no"
1106       fortify_source="no"
1107   ;;
1108   --enable-sanitizers) sanitizers="yes"
1109   ;;
1110   --disable-sanitizers) sanitizers="no"
1111   ;;
1112   --enable-sparse) sparse="yes"
1113   ;;
1114   --disable-sparse) sparse="no"
1115   ;;
1116   --disable-strip) strip_opt="no"
1117   ;;
1118   --disable-vnc-sasl) vnc_sasl="no"
1119   ;;
1120   --enable-vnc-sasl) vnc_sasl="yes"
1121   ;;
1122   --disable-vnc-jpeg) vnc_jpeg="no"
1123   ;;
1124   --enable-vnc-jpeg) vnc_jpeg="yes"
1125   ;;
1126   --disable-vnc-png) vnc_png="no"
1127   ;;
1128   --enable-vnc-png) vnc_png="yes"
1129   ;;
1130   --disable-slirp) slirp="no"
1131   ;;
1132   --enable-slirp=git) slirp="git"
1133   ;;
1134   --enable-slirp=system) slirp="system"
1135   ;;
1136   --disable-vde) vde="no"
1137   ;;
1138   --enable-vde) vde="yes"
1139   ;;
1140   --disable-netmap) netmap="no"
1141   ;;
1142   --enable-netmap) netmap="yes"
1143   ;;
1144   --disable-xen) xen="no"
1145   ;;
1146   --enable-xen) xen="yes"
1147   ;;
1148   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1149   ;;
1150   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1151   ;;
1152   --disable-brlapi) brlapi="no"
1153   ;;
1154   --enable-brlapi) brlapi="yes"
1155   ;;
1156   --disable-kvm) kvm="no"
1157   ;;
1158   --enable-kvm) kvm="yes"
1159   ;;
1160   --disable-hax) hax="no"
1161   ;;
1162   --enable-hax) hax="yes"
1163   ;;
1164   --disable-hvf) hvf="no"
1165   ;;
1166   --enable-hvf) hvf="yes"
1167   ;;
1168   --disable-whpx) whpx="no"
1169   ;;
1170   --enable-whpx) whpx="yes"
1171   ;;
1172   --disable-tcg-interpreter) tcg_interpreter="no"
1173   ;;
1174   --enable-tcg-interpreter) tcg_interpreter="yes"
1175   ;;
1176   --disable-cap-ng)  cap_ng="no"
1177   ;;
1178   --enable-cap-ng) cap_ng="yes"
1179   ;;
1180   --disable-tcg) tcg="no"
1181   ;;
1182   --enable-tcg) tcg="yes"
1183   ;;
1184   --disable-malloc-trim) malloc_trim="no"
1185   ;;
1186   --enable-malloc-trim) malloc_trim="yes"
1187   ;;
1188   --disable-spice) spice="no"
1189   ;;
1190   --enable-spice) spice="yes"
1191   ;;
1192   --disable-libiscsi) libiscsi="no"
1193   ;;
1194   --enable-libiscsi) libiscsi="yes"
1195   ;;
1196   --disable-libnfs) libnfs="no"
1197   ;;
1198   --enable-libnfs) libnfs="yes"
1199   ;;
1200   --enable-profiler) profiler="yes"
1201   ;;
1202   --disable-cocoa) cocoa="no"
1203   ;;
1204   --enable-cocoa)
1205       cocoa="yes" ;
1206       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1207   ;;
1208   --disable-system) softmmu="no"
1209   ;;
1210   --enable-system) softmmu="yes"
1211   ;;
1212   --disable-user)
1213       linux_user="no" ;
1214       bsd_user="no" ;
1215   ;;
1216   --enable-user) ;;
1217   --disable-linux-user) linux_user="no"
1218   ;;
1219   --enable-linux-user) linux_user="yes"
1220   ;;
1221   --disable-bsd-user) bsd_user="no"
1222   ;;
1223   --enable-bsd-user) bsd_user="yes"
1224   ;;
1225   --enable-pie) pie="yes"
1226   ;;
1227   --disable-pie) pie="no"
1228   ;;
1229   --enable-werror) werror="yes"
1230   ;;
1231   --disable-werror) werror="no"
1232   ;;
1233   --enable-stack-protector) stack_protector="yes"
1234   ;;
1235   --disable-stack-protector) stack_protector="no"
1236   ;;
1237   --disable-curses) curses="no"
1238   ;;
1239   --enable-curses) curses="yes"
1240   ;;
1241   --disable-iconv) iconv="no"
1242   ;;
1243   --enable-iconv) iconv="yes"
1244   ;;
1245   --disable-curl) curl="no"
1246   ;;
1247   --enable-curl) curl="yes"
1248   ;;
1249   --disable-fdt) fdt="no"
1250   ;;
1251   --enable-fdt) fdt="yes"
1252   ;;
1253   --disable-linux-aio) linux_aio="no"
1254   ;;
1255   --enable-linux-aio) linux_aio="yes"
1256   ;;
1257   --disable-linux-io-uring) linux_io_uring="no"
1258   ;;
1259   --enable-linux-io-uring) linux_io_uring="yes"
1260   ;;
1261   --disable-attr) attr="no"
1262   ;;
1263   --enable-attr) attr="yes"
1264   ;;
1265   --disable-membarrier) membarrier="no"
1266   ;;
1267   --enable-membarrier) membarrier="yes"
1268   ;;
1269   --disable-blobs) blobs="no"
1270   ;;
1271   --with-pkgversion=*) pkgversion="$optarg"
1272   ;;
1273   --with-coroutine=*) coroutine="$optarg"
1274   ;;
1275   --disable-coroutine-pool) coroutine_pool="no"
1276   ;;
1277   --enable-coroutine-pool) coroutine_pool="yes"
1278   ;;
1279   --enable-debug-stack-usage) debug_stack_usage="yes"
1280   ;;
1281   --enable-crypto-afalg) crypto_afalg="yes"
1282   ;;
1283   --disable-crypto-afalg) crypto_afalg="no"
1284   ;;
1285   --disable-docs) docs="no"
1286   ;;
1287   --enable-docs) docs="yes"
1288   ;;
1289   --disable-vhost-net) vhost_net="no"
1290   ;;
1291   --enable-vhost-net) vhost_net="yes"
1292   ;;
1293   --disable-vhost-crypto) vhost_crypto="no"
1294   ;;
1295   --enable-vhost-crypto) vhost_crypto="yes"
1296   ;;
1297   --disable-vhost-scsi) vhost_scsi="no"
1298   ;;
1299   --enable-vhost-scsi) vhost_scsi="yes"
1300   ;;
1301   --disable-vhost-vsock) vhost_vsock="no"
1302   ;;
1303   --enable-vhost-vsock) vhost_vsock="yes"
1304   ;;
1305   --disable-vhost-user-fs) vhost_user_fs="no"
1306   ;;
1307   --enable-vhost-user-fs) vhost_user_fs="yes"
1308   ;;
1309   --disable-opengl) opengl="no"
1310   ;;
1311   --enable-opengl) opengl="yes"
1312   ;;
1313   --disable-rbd) rbd="no"
1314   ;;
1315   --enable-rbd) rbd="yes"
1316   ;;
1317   --disable-xfsctl) xfs="no"
1318   ;;
1319   --enable-xfsctl) xfs="yes"
1320   ;;
1321   --disable-smartcard) smartcard="no"
1322   ;;
1323   --enable-smartcard) smartcard="yes"
1324   ;;
1325   --disable-libusb) libusb="no"
1326   ;;
1327   --enable-libusb) libusb="yes"
1328   ;;
1329   --disable-usb-redir) usb_redir="no"
1330   ;;
1331   --enable-usb-redir) usb_redir="yes"
1332   ;;
1333   --disable-zlib-test) zlib="no"
1334   ;;
1335   --disable-lzo) lzo="no"
1336   ;;
1337   --enable-lzo) lzo="yes"
1338   ;;
1339   --disable-snappy) snappy="no"
1340   ;;
1341   --enable-snappy) snappy="yes"
1342   ;;
1343   --disable-bzip2) bzip2="no"
1344   ;;
1345   --enable-bzip2) bzip2="yes"
1346   ;;
1347   --enable-lzfse) lzfse="yes"
1348   ;;
1349   --disable-lzfse) lzfse="no"
1350   ;;
1351   --enable-guest-agent) guest_agent="yes"
1352   ;;
1353   --disable-guest-agent) guest_agent="no"
1354   ;;
1355   --enable-guest-agent-msi) guest_agent_msi="yes"
1356   ;;
1357   --disable-guest-agent-msi) guest_agent_msi="no"
1358   ;;
1359   --with-vss-sdk) vss_win32_sdk=""
1360   ;;
1361   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1362   ;;
1363   --without-vss-sdk) vss_win32_sdk="no"
1364   ;;
1365   --with-win-sdk) win_sdk=""
1366   ;;
1367   --with-win-sdk=*) win_sdk="$optarg"
1368   ;;
1369   --without-win-sdk) win_sdk="no"
1370   ;;
1371   --enable-tools) want_tools="yes"
1372   ;;
1373   --disable-tools) want_tools="no"
1374   ;;
1375   --enable-seccomp) seccomp="yes"
1376   ;;
1377   --disable-seccomp) seccomp="no"
1378   ;;
1379   --disable-glusterfs) glusterfs="no"
1380   ;;
1381   --disable-avx2) avx2_opt="no"
1382   ;;
1383   --enable-avx2) avx2_opt="yes"
1384   ;;
1385   --enable-glusterfs) glusterfs="yes"
1386   ;;
1387   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1388       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1389   ;;
1390   --enable-vhdx|--disable-vhdx)
1391       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1392   ;;
1393   --enable-uuid|--disable-uuid)
1394       echo "$0: $opt is obsolete, UUID support is always built" >&2
1395   ;;
1396   --disable-gtk) gtk="no"
1397   ;;
1398   --enable-gtk) gtk="yes"
1399   ;;
1400   --tls-priority=*) tls_priority="$optarg"
1401   ;;
1402   --disable-gnutls) gnutls="no"
1403   ;;
1404   --enable-gnutls) gnutls="yes"
1405   ;;
1406   --disable-nettle) nettle="no"
1407   ;;
1408   --enable-nettle) nettle="yes"
1409   ;;
1410   --disable-gcrypt) gcrypt="no"
1411   ;;
1412   --enable-gcrypt) gcrypt="yes"
1413   ;;
1414   --disable-auth-pam) auth_pam="no"
1415   ;;
1416   --enable-auth-pam) auth_pam="yes"
1417   ;;
1418   --enable-rdma) rdma="yes"
1419   ;;
1420   --disable-rdma) rdma="no"
1421   ;;
1422   --enable-pvrdma) pvrdma="yes"
1423   ;;
1424   --disable-pvrdma) pvrdma="no"
1425   ;;
1426   --disable-vte) vte="no"
1427   ;;
1428   --enable-vte) vte="yes"
1429   ;;
1430   --disable-virglrenderer) virglrenderer="no"
1431   ;;
1432   --enable-virglrenderer) virglrenderer="yes"
1433   ;;
1434   --disable-tpm) tpm="no"
1435   ;;
1436   --enable-tpm) tpm="yes"
1437   ;;
1438   --disable-libssh) libssh="no"
1439   ;;
1440   --enable-libssh) libssh="yes"
1441   ;;
1442   --disable-live-block-migration) live_block_migration="no"
1443   ;;
1444   --enable-live-block-migration) live_block_migration="yes"
1445   ;;
1446   --disable-numa) numa="no"
1447   ;;
1448   --enable-numa) numa="yes"
1449   ;;
1450   --disable-libxml2) libxml2="no"
1451   ;;
1452   --enable-libxml2) libxml2="yes"
1453   ;;
1454   --disable-tcmalloc) tcmalloc="no"
1455   ;;
1456   --enable-tcmalloc) tcmalloc="yes"
1457   ;;
1458   --disable-jemalloc) jemalloc="no"
1459   ;;
1460   --enable-jemalloc) jemalloc="yes"
1461   ;;
1462   --disable-replication) replication="no"
1463   ;;
1464   --enable-replication) replication="yes"
1465   ;;
1466   --disable-vxhs) vxhs="no"
1467   ;;
1468   --enable-vxhs) vxhs="yes"
1469   ;;
1470   --disable-bochs) bochs="no"
1471   ;;
1472   --enable-bochs) bochs="yes"
1473   ;;
1474   --disable-cloop) cloop="no"
1475   ;;
1476   --enable-cloop) cloop="yes"
1477   ;;
1478   --disable-dmg) dmg="no"
1479   ;;
1480   --enable-dmg) dmg="yes"
1481   ;;
1482   --disable-qcow1) qcow1="no"
1483   ;;
1484   --enable-qcow1) qcow1="yes"
1485   ;;
1486   --disable-vdi) vdi="no"
1487   ;;
1488   --enable-vdi) vdi="yes"
1489   ;;
1490   --disable-vvfat) vvfat="no"
1491   ;;
1492   --enable-vvfat) vvfat="yes"
1493   ;;
1494   --disable-qed) qed="no"
1495   ;;
1496   --enable-qed) qed="yes"
1497   ;;
1498   --disable-parallels) parallels="no"
1499   ;;
1500   --enable-parallels) parallels="yes"
1501   ;;
1502   --disable-sheepdog) sheepdog="no"
1503   ;;
1504   --enable-sheepdog) sheepdog="yes"
1505   ;;
1506   --disable-vhost-user) vhost_user="no"
1507   ;;
1508   --enable-vhost-user) vhost_user="yes"
1509   ;;
1510   --disable-vhost-kernel) vhost_kernel="no"
1511   ;;
1512   --enable-vhost-kernel) vhost_kernel="yes"
1513   ;;
1514   --disable-capstone) capstone="no"
1515   ;;
1516   --enable-capstone) capstone="yes"
1517   ;;
1518   --enable-capstone=git) capstone="git"
1519   ;;
1520   --enable-capstone=system) capstone="system"
1521   ;;
1522   --with-git=*) git="$optarg"
1523   ;;
1524   --enable-git-update) git_update=yes
1525   ;;
1526   --disable-git-update) git_update=no
1527   ;;
1528   --enable-debug-mutex) debug_mutex=yes
1529   ;;
1530   --disable-debug-mutex) debug_mutex=no
1531   ;;
1532   --enable-libpmem) libpmem=yes
1533   ;;
1534   --disable-libpmem) libpmem=no
1535   ;;
1536   --enable-xkbcommon) xkbcommon=yes
1537   ;;
1538   --disable-xkbcommon) xkbcommon=no
1539   ;;
1540   --enable-plugins) plugins="yes"
1541   ;;
1542   --disable-plugins) plugins="no"
1543   ;;
1544   --enable-containers) use_containers="yes"
1545   ;;
1546   --disable-containers) use_containers="no"
1547   ;;
1548   *)
1549       echo "ERROR: unknown option $opt"
1550       echo "Try '$0 --help' for more information"
1551       exit 1
1552   ;;
1553   esac
1554 done
1555
1556 case "$cpu" in
1557     ppc)
1558            CPU_CFLAGS="-m32"
1559            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1560            ;;
1561     ppc64)
1562            CPU_CFLAGS="-m64"
1563            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1564            ;;
1565     sparc)
1566            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1567            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1568            ;;
1569     sparc64)
1570            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1571            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1572            ;;
1573     s390)
1574            CPU_CFLAGS="-m31"
1575            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1576            ;;
1577     s390x)
1578            CPU_CFLAGS="-m64"
1579            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1580            ;;
1581     i386)
1582            CPU_CFLAGS="-m32"
1583            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1584            ;;
1585     x86_64)
1586            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1587            # If we truly care, we should simply detect this case at
1588            # runtime and generate the fallback to serial emulation.
1589            CPU_CFLAGS="-m64 -mcx16"
1590            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1591            ;;
1592     x32)
1593            CPU_CFLAGS="-mx32"
1594            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1595            ;;
1596     # No special flags required for other host CPUs
1597 esac
1598
1599 eval "cross_cc_${cpu}=\$host_cc"
1600 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1601 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1602
1603 # For user-mode emulation the host arch has to be one we explicitly
1604 # support, even if we're using TCI.
1605 if [ "$ARCH" = "unknown" ]; then
1606   bsd_user="no"
1607   linux_user="no"
1608 fi
1609
1610 default_target_list=""
1611
1612 mak_wilds=""
1613
1614 if [ "$softmmu" = "yes" ]; then
1615     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1616 fi
1617 if [ "$linux_user" = "yes" ]; then
1618     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1619 fi
1620 if [ "$bsd_user" = "yes" ]; then
1621     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1622 fi
1623
1624 if test -z "$target_list_exclude"; then
1625     for config in $mak_wilds; do
1626         default_target_list="${default_target_list} $(basename "$config" .mak)"
1627     done
1628 else
1629     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1630     for config in $mak_wilds; do
1631         target="$(basename "$config" .mak)"
1632         exclude="no"
1633         for excl in $exclude_list; do
1634             if test "$excl" = "$target"; then
1635                 exclude="yes"
1636                 break;
1637             fi
1638         done
1639         if test "$exclude" = "no"; then
1640             default_target_list="${default_target_list} $target"
1641         fi
1642     done
1643 fi
1644
1645 # Enumerate public trace backends for --help output
1646 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1647
1648 if test x"$show_help" = x"yes" ; then
1649 cat << EOF
1650
1651 Usage: configure [options]
1652 Options: [defaults in brackets after descriptions]
1653
1654 Standard options:
1655   --help                   print this message
1656   --prefix=PREFIX          install in PREFIX [$prefix]
1657   --interp-prefix=PREFIX   where to find shared libraries, etc.
1658                            use %M for cpu name [$interp_prefix]
1659   --target-list=LIST       set target list (default: build everything)
1660 $(echo Available targets: $default_target_list | \
1661   fold -s -w 53 | sed -e 's/^/                           /')
1662   --target-list-exclude=LIST exclude a set of targets from the default target-list
1663
1664 Advanced options (experts only):
1665   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1666   --cc=CC                  use C compiler CC [$cc]
1667   --iasl=IASL              use ACPI compiler IASL [$iasl]
1668   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1669                            build time
1670   --cxx=CXX                use C++ compiler CXX [$cxx]
1671   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1672   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1673   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1674   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1675   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1676   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1677   --make=MAKE              use specified make [$make]
1678   --install=INSTALL        use specified install [$install]
1679   --python=PYTHON          use specified python [$python]
1680   --smbd=SMBD              use specified smbd [$smbd]
1681   --with-git=GIT           use specified git [$git]
1682   --static                 enable static build [$static]
1683   --mandir=PATH            install man pages in PATH
1684   --datadir=PATH           install firmware in PATH$confsuffix
1685   --docdir=PATH            install documentation in PATH$confsuffix
1686   --bindir=PATH            install binaries in PATH
1687   --libdir=PATH            install libraries in PATH
1688   --libexecdir=PATH        install helper binaries in PATH
1689   --sysconfdir=PATH        install config in PATH$confsuffix
1690   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1691   --firmwarepath=PATH      search PATH for firmware files
1692   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1693   --with-pkgversion=VERS   use specified string as sub-version of the package
1694   --enable-debug           enable common debug build options
1695   --enable-sanitizers      enable default sanitizers
1696   --disable-strip          disable stripping binaries
1697   --disable-werror         disable compilation abort on warning
1698   --disable-stack-protector disable compiler-provided stack protection
1699   --audio-drv-list=LIST    set audio drivers list:
1700                            Available drivers: $audio_possible_drivers
1701   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1702   --block-drv-rw-whitelist=L
1703                            set block driver read-write whitelist
1704                            (affects only QEMU, not qemu-img)
1705   --block-drv-ro-whitelist=L
1706                            set block driver read-only whitelist
1707                            (affects only QEMU, not qemu-img)
1708   --enable-trace-backends=B Set trace backend
1709                            Available backends: $trace_backend_list
1710   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1711                            Default:trace-<pid>
1712   --disable-slirp          disable SLIRP userspace network connectivity
1713   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1714   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1715   --oss-lib                path to OSS library
1716   --cpu=CPU                Build for host CPU [$cpu]
1717   --with-coroutine=BACKEND coroutine backend. Supported options:
1718                            ucontext, sigaltstack, windows
1719   --enable-gcov            enable test coverage analysis with gcov
1720   --gcov=GCOV              use specified gcov [$gcov_tool]
1721   --disable-blobs          disable installing provided firmware blobs
1722   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1723   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1724   --tls-priority           default TLS protocol/cipher priority string
1725   --enable-gprof           QEMU profiling with gprof
1726   --enable-profiler        profiler support
1727   --enable-debug-stack-usage
1728                            track the maximum stack usage of stacks created by qemu_alloc_stack
1729   --enable-plugins
1730                            enable plugins via shared library loading
1731   --disable-containers     don't use containers for cross-building
1732
1733 Optional features, enabled with --enable-FEATURE and
1734 disabled with --disable-FEATURE, default is enabled if available:
1735
1736   system          all system emulation targets
1737   user            supported user emulation targets
1738   linux-user      all linux usermode emulation targets
1739   bsd-user        all BSD usermode emulation targets
1740   docs            build documentation
1741   guest-agent     build the QEMU Guest Agent
1742   guest-agent-msi build guest agent Windows MSI installation package
1743   pie             Position Independent Executables
1744   modules         modules support (non-Windows)
1745   debug-tcg       TCG debugging (default is disabled)
1746   debug-info      debugging information
1747   sparse          sparse checker
1748
1749   gnutls          GNUTLS cryptography support
1750   nettle          nettle cryptography support
1751   gcrypt          libgcrypt cryptography support
1752   auth-pam        PAM access control
1753   sdl             SDL UI
1754   sdl-image       SDL Image support for icons
1755   gtk             gtk UI
1756   vte             vte support for the gtk UI
1757   curses          curses UI
1758   iconv           font glyph conversion support
1759   vnc             VNC UI support
1760   vnc-sasl        SASL encryption for VNC server
1761   vnc-jpeg        JPEG lossy compression for VNC server
1762   vnc-png         PNG compression for VNC server
1763   cocoa           Cocoa UI (Mac OS X only)
1764   virtfs          VirtFS
1765   mpath           Multipath persistent reservation passthrough
1766   xen             xen backend driver support
1767   xen-pci-passthrough    PCI passthrough support for Xen
1768   brlapi          BrlAPI (Braile)
1769   curl            curl connectivity
1770   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1771   fdt             fdt device tree
1772   kvm             KVM acceleration support
1773   hax             HAX acceleration support
1774   hvf             Hypervisor.framework acceleration support
1775   whpx            Windows Hypervisor Platform acceleration support
1776   rdma            Enable RDMA-based migration
1777   pvrdma          Enable PVRDMA support
1778   vde             support for vde network
1779   netmap          support for netmap network
1780   linux-aio       Linux AIO support
1781   linux-io-uring  Linux io_uring support
1782   cap-ng          libcap-ng support
1783   attr            attr and xattr support
1784   vhost-net       vhost-net kernel acceleration support
1785   vhost-vsock     virtio sockets device support
1786   vhost-scsi      vhost-scsi kernel target support
1787   vhost-crypto    vhost-user-crypto backend support
1788   vhost-kernel    vhost kernel backend support
1789   vhost-user      vhost-user backend support
1790   spice           spice
1791   rbd             rados block device (rbd)
1792   libiscsi        iscsi support
1793   libnfs          nfs support
1794   smartcard       smartcard support (libcacard)
1795   libusb          libusb (for usb passthrough)
1796   live-block-migration   Block migration in the main migration stream
1797   usb-redir       usb network redirection support
1798   lzo             support of lzo compression library
1799   snappy          support of snappy compression library
1800   bzip2           support of bzip2 compression library
1801                   (for reading bzip2-compressed dmg images)
1802   lzfse           support of lzfse compression library
1803                   (for reading lzfse-compressed dmg images)
1804   seccomp         seccomp support
1805   coroutine-pool  coroutine freelist (better performance)
1806   glusterfs       GlusterFS backend
1807   tpm             TPM support
1808   libssh          ssh block device support
1809   numa            libnuma support
1810   libxml2         for Parallels image format
1811   tcmalloc        tcmalloc support
1812   jemalloc        jemalloc support
1813   avx2            AVX2 optimization support
1814   replication     replication support
1815   opengl          opengl support
1816   virglrenderer   virgl rendering support
1817   xfsctl          xfsctl support
1818   qom-cast-debug  cast debugging support
1819   tools           build qemu-io, qemu-nbd and qemu-img tools
1820   vxhs            Veritas HyperScale vDisk backend support
1821   bochs           bochs image format support
1822   cloop           cloop image format support
1823   dmg             dmg image format support
1824   qcow1           qcow v1 image format support
1825   vdi             vdi image format support
1826   vvfat           vvfat image format support
1827   qed             qed image format support
1828   parallels       parallels image format support
1829   sheepdog        sheepdog block driver support
1830   crypto-afalg    Linux AF_ALG crypto backend driver
1831   capstone        capstone disassembler support
1832   debug-mutex     mutex debugging support
1833   libpmem         libpmem support
1834   xkbcommon       xkbcommon support
1835
1836 NOTE: The object files are built at the place where configure is launched
1837 EOF
1838 exit 0
1839 fi
1840
1841 # Remove old dependency files to make sure that they get properly regenerated
1842 rm -f */config-devices.mak.d
1843
1844 if test -z "$python"
1845 then
1846     error_exit "Python not found. Use --python=/path/to/python"
1847 fi
1848
1849 # Note that if the Python conditional here evaluates True we will exit
1850 # with status 1 which is a shell 'false' value.
1851 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1852   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1853       "Use --python=/path/to/python to specify a supported Python."
1854 fi
1855
1856 # Preserve python version since some functionality is dependent on it
1857 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)
1858
1859 # Suppress writing compiled files
1860 python="$python -B"
1861
1862 # Check that the C compiler works. Doing this here before testing
1863 # the host CPU ensures that we had a valid CC to autodetect the
1864 # $cpu var (and we should bail right here if that's not the case).
1865 # It also allows the help message to be printed without a CC.
1866 write_c_skeleton;
1867 if compile_object ; then
1868   : C compiler works ok
1869 else
1870     error_exit "\"$cc\" either does not exist or does not work"
1871 fi
1872 if ! compile_prog ; then
1873     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1874 fi
1875
1876 # Now we have handled --enable-tcg-interpreter and know we're not just
1877 # printing the help message, bail out if the host CPU isn't supported.
1878 if test "$ARCH" = "unknown"; then
1879     if test "$tcg_interpreter" = "yes" ; then
1880         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1881     else
1882         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1883     fi
1884 fi
1885
1886 # Consult white-list to determine whether to enable werror
1887 # by default.  Only enable by default for git builds
1888 if test -z "$werror" ; then
1889     if test -e "$source_path/.git" && \
1890         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1891         werror="yes"
1892     else
1893         werror="no"
1894     fi
1895 fi
1896
1897 if test "$bogus_os" = "yes"; then
1898     # Now that we know that we're not printing the help and that
1899     # the compiler works (so the results of the check_defines we used
1900     # to identify the OS are reliable), if we didn't recognize the
1901     # host OS we should stop now.
1902     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1903 fi
1904
1905 # Check whether the compiler matches our minimum requirements:
1906 cat > $TMPC << EOF
1907 #if defined(__clang_major__) && defined(__clang_minor__)
1908 # ifdef __apple_build_version__
1909 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1910 #   error You need at least XCode Clang v5.1 to compile QEMU
1911 #  endif
1912 # else
1913 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1914 #   error You need at least Clang v3.4 to compile QEMU
1915 #  endif
1916 # endif
1917 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1918 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1919 #  error You need at least GCC v4.8 to compile QEMU
1920 # endif
1921 #else
1922 # error You either need GCC or Clang to compiler QEMU
1923 #endif
1924 int main (void) { return 0; }
1925 EOF
1926 if ! compile_prog "" "" ; then
1927     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1928 fi
1929
1930 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1931 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1932 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1933 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1934 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1935 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1936 # Note that we do not add -Werror to gcc_flags here, because that would
1937 # enable it for all configure tests. If a configure test failed due
1938 # to -Werror this would just silently disable some features,
1939 # so it's too error prone.
1940
1941 cc_has_warning_flag() {
1942     write_c_skeleton;
1943
1944     # Use the positive sense of the flag when testing for -Wno-wombat
1945     # support (gcc will happily accept the -Wno- form of unknown
1946     # warning options).
1947     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1948     compile_prog "-Werror $optflag" ""
1949 }
1950
1951 for flag in $gcc_flags; do
1952     if cc_has_warning_flag $flag ; then
1953         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1954     fi
1955 done
1956
1957 if test "$stack_protector" != "no"; then
1958   cat > $TMPC << EOF
1959 int main(int argc, char *argv[])
1960 {
1961     char arr[64], *p = arr, *c = argv[0];
1962     while (*c) {
1963         *p++ = *c++;
1964     }
1965     return 0;
1966 }
1967 EOF
1968   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1969   sp_on=0
1970   for flag in $gcc_flags; do
1971     # We need to check both a compile and a link, since some compiler
1972     # setups fail only on a .c->.o compile and some only at link time
1973     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1974        compile_prog "-Werror $flag" ""; then
1975       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1976       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1977       sp_on=1
1978       break
1979     fi
1980   done
1981   if test "$stack_protector" = yes; then
1982     if test $sp_on = 0; then
1983       error_exit "Stack protector not supported"
1984     fi
1985   fi
1986 fi
1987
1988 # Disable -Wmissing-braces on older compilers that warn even for
1989 # the "universal" C zero initializer {0}.
1990 cat > $TMPC << EOF
1991 struct {
1992   int a[2];
1993 } x = {0};
1994 EOF
1995 if compile_object "-Werror" "" ; then
1996   :
1997 else
1998   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1999 fi
2000
2001 # Our module code doesn't support Windows
2002 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2003   error_exit "Modules are not available for Windows"
2004 fi
2005
2006 # Static linking is not possible with modules or PIE
2007 if test "$static" = "yes" ; then
2008   if test "$modules" = "yes" ; then
2009     error_exit "static and modules are mutually incompatible"
2010   fi
2011   if test "$pie" = "yes" ; then
2012     error_exit "static and pie are mutually incompatible"
2013   else
2014     pie="no"
2015   fi
2016 fi
2017
2018 # Unconditional check for compiler __thread support
2019   cat > $TMPC << EOF
2020 static __thread int tls_var;
2021 int main(void) { return tls_var; }
2022 EOF
2023
2024 if ! compile_prog "-Werror" "" ; then
2025     error_exit "Your compiler does not support the __thread specifier for " \
2026         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2027 fi
2028
2029 if test "$pie" = ""; then
2030   case "$cpu-$targetos" in
2031     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2032       ;;
2033     *)
2034       pie="no"
2035       ;;
2036   esac
2037 fi
2038
2039 if test "$pie" != "no" ; then
2040   cat > $TMPC << EOF
2041
2042 #ifdef __linux__
2043 #  define THREAD __thread
2044 #else
2045 #  define THREAD
2046 #endif
2047
2048 static THREAD int tls_var;
2049
2050 int main(void) { return tls_var; }
2051
2052 EOF
2053   # check we support --no-pie first...
2054   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2055     CFLAGS_NOPIE="-fno-pie"
2056     LDFLAGS_NOPIE="-nopie"
2057   fi
2058
2059   if compile_prog "-fPIE -DPIE" "-pie"; then
2060     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2061     QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
2062     pie="yes"
2063     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2064       QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2065     fi
2066   else
2067     if test "$pie" = "yes"; then
2068       error_exit "PIE not available due to missing toolchain support"
2069     else
2070       echo "Disabling PIE due to missing toolchain support"
2071       pie="no"
2072     fi
2073   fi
2074 fi
2075
2076 ##########################################
2077 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2078 # use i686 as default anyway, but for those that don't, an explicit
2079 # specification is necessary
2080
2081 if test "$cpu" = "i386"; then
2082   cat > $TMPC << EOF
2083 static int sfaa(int *ptr)
2084 {
2085   return __sync_fetch_and_and(ptr, 0);
2086 }
2087
2088 int main(void)
2089 {
2090   int val = 42;
2091   val = __sync_val_compare_and_swap(&val, 0, 1);
2092   sfaa(&val);
2093   return val;
2094 }
2095 EOF
2096   if ! compile_prog "" "" ; then
2097     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2098   fi
2099 fi
2100
2101 #########################################
2102 # Solaris specific configure tool chain decisions
2103
2104 if test "$solaris" = "yes" ; then
2105   if has $install; then
2106     :
2107   else
2108     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2109         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2110         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2111   fi
2112   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2113     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2114         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2115         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2116   fi
2117   if has ar; then
2118     :
2119   else
2120     if test -f /usr/ccs/bin/ar ; then
2121       error_exit "No path includes ar" \
2122           "Add /usr/ccs/bin to your path and rerun configure"
2123     fi
2124     error_exit "No path includes ar"
2125   fi
2126 fi
2127
2128 if test -z "${target_list+xxx}" ; then
2129     for target in $default_target_list; do
2130         supported_target $target 2>/dev/null && \
2131             target_list="$target_list $target"
2132     done
2133     target_list="${target_list# }"
2134 else
2135     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2136     for target in $target_list; do
2137         # Check that we recognised the target name; this allows a more
2138         # friendly error message than if we let it fall through.
2139         case " $default_target_list " in
2140             *" $target "*)
2141                 ;;
2142             *)
2143                 error_exit "Unknown target name '$target'"
2144                 ;;
2145         esac
2146         supported_target $target || exit 1
2147     done
2148 fi
2149
2150 # see if system emulation was really requested
2151 case " $target_list " in
2152   *"-softmmu "*) softmmu=yes
2153   ;;
2154   *) softmmu=no
2155   ;;
2156 esac
2157
2158 for target in $target_list; do
2159   case "$target" in
2160     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2161       edk2_blobs="yes"
2162       ;;
2163   esac
2164 done
2165 # The EDK2 binaries are compressed with bzip2
2166 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2167   error_exit "The bzip2 program is required for building QEMU"
2168 fi
2169
2170 feature_not_found() {
2171   feature=$1
2172   remedy=$2
2173
2174   error_exit "User requested feature $feature" \
2175       "configure was not able to find it." \
2176       "$remedy"
2177 }
2178
2179 # ---
2180 # big/little endian test
2181 cat > $TMPC << EOF
2182 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2183 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2184 extern int foo(short *, short *);
2185 int main(int argc, char *argv[]) {
2186     return foo(big_endian, little_endian);
2187 }
2188 EOF
2189
2190 if compile_object ; then
2191     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2192         bigendian="yes"
2193     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2194         bigendian="no"
2195     else
2196         echo big/little test failed
2197     fi
2198 else
2199     echo big/little test failed
2200 fi
2201
2202 ##########################################
2203 # cocoa implies not SDL or GTK
2204 # (the cocoa UI code currently assumes it is always the active UI
2205 # and doesn't interact well with other UI frontend code)
2206 if test "$cocoa" = "yes"; then
2207     if test "$sdl" = "yes"; then
2208         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2209     fi
2210     if test "$gtk" = "yes"; then
2211         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2212     fi
2213     gtk=no
2214     sdl=no
2215 fi
2216
2217 # Some versions of Mac OS X incorrectly define SIZE_MAX
2218 cat > $TMPC << EOF
2219 #include <stdint.h>
2220 #include <stdio.h>
2221 int main(int argc, char *argv[]) {
2222     return printf("%zu", SIZE_MAX);
2223 }
2224 EOF
2225 have_broken_size_max=no
2226 if ! compile_object -Werror ; then
2227     have_broken_size_max=yes
2228 fi
2229
2230 ##########################################
2231 # L2TPV3 probe
2232
2233 cat > $TMPC <<EOF
2234 #include <sys/socket.h>
2235 #include <linux/ip.h>
2236 int main(void) { return sizeof(struct mmsghdr); }
2237 EOF
2238 if compile_prog "" "" ; then
2239   l2tpv3=yes
2240 else
2241   l2tpv3=no
2242 fi
2243
2244 #########################################
2245 # vhost interdependencies and host support
2246
2247 # vhost backends
2248 test "$vhost_user" = "" && vhost_user=yes
2249 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2250   error_exit "vhost-user isn't available on win32"
2251 fi
2252 test "$vhost_kernel" = "" && vhost_kernel=$linux
2253 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2254   error_exit "vhost-kernel is only available on Linux"
2255 fi
2256
2257 # vhost-kernel devices
2258 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2259 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2260   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2261 fi
2262 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2263 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2264   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2265 fi
2266
2267 # vhost-user backends
2268 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2269 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2270   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2271 fi
2272 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2273 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2274   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2275 fi
2276 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2277 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2278   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2279 fi
2280
2281 # OR the vhost-kernel and vhost-user values for simplicity
2282 if test "$vhost_net" = ""; then
2283   test "$vhost_net_user" = "yes" && vhost_net=yes
2284   test "$vhost_kernel" = "yes" && vhost_net=yes
2285 fi
2286
2287 ##########################################
2288 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2289
2290 if test "$mingw32" = "yes"; then
2291     # Some versions of MinGW / Mingw-w64 lack localtime_r
2292     # and gmtime_r entirely.
2293     #
2294     # Some versions of Mingw-w64 define a macro for
2295     # localtime_r/gmtime_r.
2296     #
2297     # Some versions of Mingw-w64 will define functions
2298     # for localtime_r/gmtime_r, but only if you have
2299     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2300     # though, unistd.h and pthread.h both define
2301     # that for you.
2302     #
2303     # So this #undef localtime_r and #include <unistd.h>
2304     # are not in fact redundant.
2305 cat > $TMPC << EOF
2306 #include <unistd.h>
2307 #include <time.h>
2308 #undef localtime_r
2309 int main(void) { localtime_r(NULL, NULL); return 0; }
2310 EOF
2311     if compile_prog "" "" ; then
2312         localtime_r="yes"
2313     else
2314         localtime_r="no"
2315     fi
2316 fi
2317
2318 ##########################################
2319 # pkg-config probe
2320
2321 if ! has "$pkg_config_exe"; then
2322   error_exit "pkg-config binary '$pkg_config_exe' not found"
2323 fi
2324
2325 ##########################################
2326 # NPTL probe
2327
2328 if test "$linux_user" = "yes"; then
2329   cat > $TMPC <<EOF
2330 #include <sched.h>
2331 #include <linux/futex.h>
2332 int main(void) {
2333 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2334 #error bork
2335 #endif
2336   return 0;
2337 }
2338 EOF
2339   if ! compile_object ; then
2340     feature_not_found "nptl" "Install glibc and linux kernel headers."
2341   fi
2342 fi
2343
2344 ##########################################
2345 # lzo check
2346
2347 if test "$lzo" != "no" ; then
2348     cat > $TMPC << EOF
2349 #include <lzo/lzo1x.h>
2350 int main(void) { lzo_version(); return 0; }
2351 EOF
2352     if compile_prog "" "-llzo2" ; then
2353         libs_softmmu="$libs_softmmu -llzo2"
2354         lzo="yes"
2355     else
2356         if test "$lzo" = "yes"; then
2357             feature_not_found "liblzo2" "Install liblzo2 devel"
2358         fi
2359         lzo="no"
2360     fi
2361 fi
2362
2363 ##########################################
2364 # snappy check
2365
2366 if test "$snappy" != "no" ; then
2367     cat > $TMPC << EOF
2368 #include <snappy-c.h>
2369 int main(void) { snappy_max_compressed_length(4096); return 0; }
2370 EOF
2371     if compile_prog "" "-lsnappy" ; then
2372         libs_softmmu="$libs_softmmu -lsnappy"
2373         snappy="yes"
2374     else
2375         if test "$snappy" = "yes"; then
2376             feature_not_found "libsnappy" "Install libsnappy devel"
2377         fi
2378         snappy="no"
2379     fi
2380 fi
2381
2382 ##########################################
2383 # bzip2 check
2384
2385 if test "$bzip2" != "no" ; then
2386     cat > $TMPC << EOF
2387 #include <bzlib.h>
2388 int main(void) { BZ2_bzlibVersion(); return 0; }
2389 EOF
2390     if compile_prog "" "-lbz2" ; then
2391         bzip2="yes"
2392     else
2393         if test "$bzip2" = "yes"; then
2394             feature_not_found "libbzip2" "Install libbzip2 devel"
2395         fi
2396         bzip2="no"
2397     fi
2398 fi
2399
2400 ##########################################
2401 # lzfse check
2402
2403 if test "$lzfse" != "no" ; then
2404     cat > $TMPC << EOF
2405 #include <lzfse.h>
2406 int main(void) { lzfse_decode_scratch_size(); return 0; }
2407 EOF
2408     if compile_prog "" "-llzfse" ; then
2409         lzfse="yes"
2410     else
2411         if test "$lzfse" = "yes"; then
2412             feature_not_found "lzfse" "Install lzfse devel"
2413         fi
2414         lzfse="no"
2415     fi
2416 fi
2417
2418 ##########################################
2419 # libseccomp check
2420
2421 if test "$seccomp" != "no" ; then
2422     libseccomp_minver="2.3.0"
2423     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2424         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2425         seccomp_libs="$($pkg_config --libs libseccomp)"
2426         seccomp="yes"
2427     else
2428         if test "$seccomp" = "yes" ; then
2429             feature_not_found "libseccomp" \
2430                  "Install libseccomp devel >= $libseccomp_minver"
2431         fi
2432         seccomp="no"
2433     fi
2434 fi
2435 ##########################################
2436 # xen probe
2437
2438 if test "$xen" != "no" ; then
2439   # Check whether Xen library path is specified via --extra-ldflags to avoid
2440   # overriding this setting with pkg-config output. If not, try pkg-config
2441   # to obtain all needed flags.
2442
2443   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2444      $pkg_config --exists xencontrol ; then
2445     xen_ctrl_version="$(printf '%d%02d%02d' \
2446       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2447     xen=yes
2448     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2449     xen_pc="$xen_pc xenevtchn xendevicemodel"
2450     if $pkg_config --exists xentoolcore; then
2451       xen_pc="$xen_pc xentoolcore"
2452     fi
2453     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2454     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2455   else
2456
2457     xen_libs="-lxenstore -lxenctrl -lxenguest"
2458     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2459
2460     # First we test whether Xen headers and libraries are available.
2461     # If no, we are done and there is no Xen support.
2462     # If yes, more tests are run to detect the Xen version.
2463
2464     # Xen (any)
2465     cat > $TMPC <<EOF
2466 #include <xenctrl.h>
2467 int main(void) {
2468   return 0;
2469 }
2470 EOF
2471     if ! compile_prog "" "$xen_libs" ; then
2472       # Xen not found
2473       if test "$xen" = "yes" ; then
2474         feature_not_found "xen" "Install xen devel"
2475       fi
2476       xen=no
2477
2478     # Xen unstable
2479     elif
2480         cat > $TMPC <<EOF &&
2481 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2482 #define __XEN_TOOLS__
2483 #include <xendevicemodel.h>
2484 #include <xenforeignmemory.h>
2485 int main(void) {
2486   xendevicemodel_handle *xd;
2487   xenforeignmemory_handle *xfmem;
2488
2489   xd = xendevicemodel_open(0, 0);
2490   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2491
2492   xfmem = xenforeignmemory_open(0, 0);
2493   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2494
2495   return 0;
2496 }
2497 EOF
2498         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2499       then
2500       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2501       xen_ctrl_version=41100
2502       xen=yes
2503     elif
2504         cat > $TMPC <<EOF &&
2505 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2506 #include <xenforeignmemory.h>
2507 #include <xentoolcore.h>
2508 int main(void) {
2509   xenforeignmemory_handle *xfmem;
2510
2511   xfmem = xenforeignmemory_open(0, 0);
2512   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2513   xentoolcore_restrict_all(0);
2514
2515   return 0;
2516 }
2517 EOF
2518         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2519       then
2520       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2521       xen_ctrl_version=41000
2522       xen=yes
2523     elif
2524         cat > $TMPC <<EOF &&
2525 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2526 #define __XEN_TOOLS__
2527 #include <xendevicemodel.h>
2528 int main(void) {
2529   xendevicemodel_handle *xd;
2530
2531   xd = xendevicemodel_open(0, 0);
2532   xendevicemodel_close(xd);
2533
2534   return 0;
2535 }
2536 EOF
2537         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2538       then
2539       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2540       xen_ctrl_version=40900
2541       xen=yes
2542     elif
2543         cat > $TMPC <<EOF &&
2544 /*
2545  * If we have stable libs the we don't want the libxc compat
2546  * layers, regardless of what CFLAGS we may have been given.
2547  *
2548  * Also, check if xengnttab_grant_copy_segment_t is defined and
2549  * grant copy operation is implemented.
2550  */
2551 #undef XC_WANT_COMPAT_EVTCHN_API
2552 #undef XC_WANT_COMPAT_GNTTAB_API
2553 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2554 #include <xenctrl.h>
2555 #include <xenstore.h>
2556 #include <xenevtchn.h>
2557 #include <xengnttab.h>
2558 #include <xenforeignmemory.h>
2559 #include <stdint.h>
2560 #include <xen/hvm/hvm_info_table.h>
2561 #if !defined(HVM_MAX_VCPUS)
2562 # error HVM_MAX_VCPUS not defined
2563 #endif
2564 int main(void) {
2565   xc_interface *xc = NULL;
2566   xenforeignmemory_handle *xfmem;
2567   xenevtchn_handle *xe;
2568   xengnttab_handle *xg;
2569   xengnttab_grant_copy_segment_t* seg = NULL;
2570
2571   xs_daemon_open();
2572
2573   xc = xc_interface_open(0, 0, 0);
2574   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2575   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2576   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2577   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2578
2579   xfmem = xenforeignmemory_open(0, 0);
2580   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2581
2582   xe = xenevtchn_open(0, 0);
2583   xenevtchn_fd(xe);
2584
2585   xg = xengnttab_open(0, 0);
2586   xengnttab_grant_copy(xg, 0, seg);
2587
2588   return 0;
2589 }
2590 EOF
2591         compile_prog "" "$xen_libs $xen_stable_libs"
2592       then
2593       xen_ctrl_version=40800
2594       xen=yes
2595     elif
2596         cat > $TMPC <<EOF &&
2597 /*
2598  * If we have stable libs the we don't want the libxc compat
2599  * layers, regardless of what CFLAGS we may have been given.
2600  */
2601 #undef XC_WANT_COMPAT_EVTCHN_API
2602 #undef XC_WANT_COMPAT_GNTTAB_API
2603 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2604 #include <xenctrl.h>
2605 #include <xenstore.h>
2606 #include <xenevtchn.h>
2607 #include <xengnttab.h>
2608 #include <xenforeignmemory.h>
2609 #include <stdint.h>
2610 #include <xen/hvm/hvm_info_table.h>
2611 #if !defined(HVM_MAX_VCPUS)
2612 # error HVM_MAX_VCPUS not defined
2613 #endif
2614 int main(void) {
2615   xc_interface *xc = NULL;
2616   xenforeignmemory_handle *xfmem;
2617   xenevtchn_handle *xe;
2618   xengnttab_handle *xg;
2619
2620   xs_daemon_open();
2621
2622   xc = xc_interface_open(0, 0, 0);
2623   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2624   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2625   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2626   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2627
2628   xfmem = xenforeignmemory_open(0, 0);
2629   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2630
2631   xe = xenevtchn_open(0, 0);
2632   xenevtchn_fd(xe);
2633
2634   xg = xengnttab_open(0, 0);
2635   xengnttab_map_grant_ref(xg, 0, 0, 0);
2636
2637   return 0;
2638 }
2639 EOF
2640         compile_prog "" "$xen_libs $xen_stable_libs"
2641       then
2642       xen_ctrl_version=40701
2643       xen=yes
2644
2645     # Xen 4.6
2646     elif
2647         cat > $TMPC <<EOF &&
2648 #include <xenctrl.h>
2649 #include <xenstore.h>
2650 #include <stdint.h>
2651 #include <xen/hvm/hvm_info_table.h>
2652 #if !defined(HVM_MAX_VCPUS)
2653 # error HVM_MAX_VCPUS not defined
2654 #endif
2655 int main(void) {
2656   xc_interface *xc;
2657   xs_daemon_open();
2658   xc = xc_interface_open(0, 0, 0);
2659   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2660   xc_gnttab_open(NULL, 0);
2661   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2662   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2663   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2664   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2665   return 0;
2666 }
2667 EOF
2668         compile_prog "" "$xen_libs"
2669       then
2670       xen_ctrl_version=40600
2671       xen=yes
2672
2673     # Xen 4.5
2674     elif
2675         cat > $TMPC <<EOF &&
2676 #include <xenctrl.h>
2677 #include <xenstore.h>
2678 #include <stdint.h>
2679 #include <xen/hvm/hvm_info_table.h>
2680 #if !defined(HVM_MAX_VCPUS)
2681 # error HVM_MAX_VCPUS not defined
2682 #endif
2683 int main(void) {
2684   xc_interface *xc;
2685   xs_daemon_open();
2686   xc = xc_interface_open(0, 0, 0);
2687   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2688   xc_gnttab_open(NULL, 0);
2689   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2690   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2691   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2692   return 0;
2693 }
2694 EOF
2695         compile_prog "" "$xen_libs"
2696       then
2697       xen_ctrl_version=40500
2698       xen=yes
2699
2700     elif
2701         cat > $TMPC <<EOF &&
2702 #include <xenctrl.h>
2703 #include <xenstore.h>
2704 #include <stdint.h>
2705 #include <xen/hvm/hvm_info_table.h>
2706 #if !defined(HVM_MAX_VCPUS)
2707 # error HVM_MAX_VCPUS not defined
2708 #endif
2709 int main(void) {
2710   xc_interface *xc;
2711   xs_daemon_open();
2712   xc = xc_interface_open(0, 0, 0);
2713   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2714   xc_gnttab_open(NULL, 0);
2715   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2716   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2717   return 0;
2718 }
2719 EOF
2720         compile_prog "" "$xen_libs"
2721       then
2722       xen_ctrl_version=40200
2723       xen=yes
2724
2725     else
2726       if test "$xen" = "yes" ; then
2727         feature_not_found "xen (unsupported version)" \
2728                           "Install a supported xen (xen 4.2 or newer)"
2729       fi
2730       xen=no
2731     fi
2732
2733     if test "$xen" = yes; then
2734       if test $xen_ctrl_version -ge 40701  ; then
2735         libs_softmmu="$xen_stable_libs $libs_softmmu"
2736       fi
2737       libs_softmmu="$xen_libs $libs_softmmu"
2738     fi
2739   fi
2740 fi
2741
2742 if test "$xen_pci_passthrough" != "no"; then
2743   if test "$xen" = "yes" && test "$linux" = "yes"; then
2744     xen_pci_passthrough=yes
2745   else
2746     if test "$xen_pci_passthrough" = "yes"; then
2747       error_exit "User requested feature Xen PCI Passthrough" \
2748           " but this feature requires /sys from Linux"
2749     fi
2750     xen_pci_passthrough=no
2751   fi
2752 fi
2753
2754 ##########################################
2755 # Windows Hypervisor Platform accelerator (WHPX) check
2756 if test "$whpx" != "no" ; then
2757     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2758         whpx="yes"
2759     else
2760         if test "$whpx" = "yes"; then
2761             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2762         fi
2763         whpx="no"
2764     fi
2765 fi
2766
2767 ##########################################
2768 # Sparse probe
2769 if test "$sparse" != "no" ; then
2770   if has cgcc; then
2771     sparse=yes
2772   else
2773     if test "$sparse" = "yes" ; then
2774       feature_not_found "sparse" "Install sparse binary"
2775     fi
2776     sparse=no
2777   fi
2778 fi
2779
2780 ##########################################
2781 # X11 probe
2782 if $pkg_config --exists "x11"; then
2783     have_x11=yes
2784     x11_cflags=$($pkg_config --cflags x11)
2785     x11_libs=$($pkg_config --libs x11)
2786 fi
2787
2788 ##########################################
2789 # GTK probe
2790
2791 if test "$gtk" != "no"; then
2792     gtkpackage="gtk+-3.0"
2793     gtkx11package="gtk+-x11-3.0"
2794     gtkversion="3.14.0"
2795     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2796         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2797         gtk_libs=$($pkg_config --libs $gtkpackage)
2798         gtk_version=$($pkg_config --modversion $gtkpackage)
2799         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2800             need_x11=yes
2801             gtk_cflags="$gtk_cflags $x11_cflags"
2802             gtk_libs="$gtk_libs $x11_libs"
2803         fi
2804         gtk="yes"
2805     elif test "$gtk" = "yes"; then
2806         feature_not_found "gtk" "Install gtk3-devel"
2807     else
2808         gtk="no"
2809     fi
2810 fi
2811
2812
2813 ##########################################
2814 # GNUTLS probe
2815
2816 if test "$gnutls" != "no"; then
2817     pass="no"
2818     if $pkg_config --exists "gnutls >= 3.1.18"; then
2819         gnutls_cflags=$($pkg_config --cflags gnutls)
2820         gnutls_libs=$($pkg_config --libs gnutls)
2821         # Packaging for the static libraries is not always correct.
2822         # At least ubuntu 18.04 ships only shared libraries.
2823         write_c_skeleton
2824         if compile_prog "" "$gnutls_libs" ; then
2825             LIBS="$gnutls_libs $LIBS"
2826             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2827             pass="yes"
2828         fi
2829     fi
2830     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2831         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2832     else
2833         gnutls="$pass"
2834     fi
2835 fi
2836
2837
2838 # If user didn't give a --disable/enable-gcrypt flag,
2839 # then mark as disabled if user requested nettle
2840 # explicitly
2841 if test -z "$gcrypt"
2842 then
2843     if test "$nettle" = "yes"
2844     then
2845         gcrypt="no"
2846     fi
2847 fi
2848
2849 # If user didn't give a --disable/enable-nettle flag,
2850 # then mark as disabled if user requested gcrypt
2851 # explicitly
2852 if test -z "$nettle"
2853 then
2854     if test "$gcrypt" = "yes"
2855     then
2856         nettle="no"
2857     fi
2858 fi
2859
2860 has_libgcrypt() {
2861     if ! has "libgcrypt-config"
2862     then
2863         return 1
2864     fi
2865
2866     if test -n "$cross_prefix"
2867     then
2868         host=$(libgcrypt-config --host)
2869         if test "$host-" != $cross_prefix
2870         then
2871             return 1
2872         fi
2873     fi
2874
2875     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2876     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2877
2878     if test $maj != 1 || test $min -lt 5
2879     then
2880        return 1
2881     fi
2882
2883     return 0
2884 }
2885
2886
2887 if test "$nettle" != "no"; then
2888     pass="no"
2889     if $pkg_config --exists "nettle >= 2.7.1"; then
2890         nettle_cflags=$($pkg_config --cflags nettle)
2891         nettle_libs=$($pkg_config --libs nettle)
2892         nettle_version=$($pkg_config --modversion nettle)
2893         # Link test to make sure the given libraries work (e.g for static).
2894         write_c_skeleton
2895         if compile_prog "" "$nettle_libs" ; then
2896             LIBS="$nettle_libs $LIBS"
2897             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2898             if test -z "$gcrypt"; then
2899                gcrypt="no"
2900             fi
2901             pass="yes"
2902         fi
2903     fi
2904     if test "$pass" = "yes"
2905     then
2906         cat > $TMPC << EOF
2907 #include <nettle/xts.h>
2908 int main(void) {
2909   return 0;
2910 }
2911 EOF
2912         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2913             nettle_xts=yes
2914             qemu_private_xts=no
2915         fi
2916     fi
2917     if test "$pass" = "no" && test "$nettle" = "yes"; then
2918         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2919     else
2920         nettle="$pass"
2921     fi
2922 fi
2923
2924 if test "$gcrypt" != "no"; then
2925     pass="no"
2926     if has_libgcrypt; then
2927         gcrypt_cflags=$(libgcrypt-config --cflags)
2928         gcrypt_libs=$(libgcrypt-config --libs)
2929         # Debian has removed -lgpg-error from libgcrypt-config
2930         # as it "spreads unnecessary dependencies" which in
2931         # turn breaks static builds...
2932         if test "$static" = "yes"
2933         then
2934             gcrypt_libs="$gcrypt_libs -lgpg-error"
2935         fi
2936
2937         # Link test to make sure the given libraries work (e.g for static).
2938         write_c_skeleton
2939         if compile_prog "" "$gcrypt_libs" ; then
2940             LIBS="$gcrypt_libs $LIBS"
2941             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2942             pass="yes"
2943         fi
2944     fi
2945     if test "$pass" = "yes"; then
2946         gcrypt="yes"
2947         cat > $TMPC << EOF
2948 #include <gcrypt.h>
2949 int main(void) {
2950   gcry_mac_hd_t handle;
2951   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2952                 GCRY_MAC_FLAG_SECURE, NULL);
2953   return 0;
2954 }
2955 EOF
2956         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2957             gcrypt_hmac=yes
2958         fi
2959         cat > $TMPC << EOF
2960 #include <gcrypt.h>
2961 int main(void) {
2962   gcry_cipher_hd_t handle;
2963   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2964   return 0;
2965 }
2966 EOF
2967         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2968             gcrypt_xts=yes
2969             qemu_private_xts=no
2970         fi
2971     elif test "$gcrypt" = "yes"; then
2972         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2973     else
2974         gcrypt="no"
2975     fi
2976 fi
2977
2978
2979 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2980 then
2981     error_exit "Only one of gcrypt & nettle can be enabled"
2982 fi
2983
2984 ##########################################
2985 # libtasn1 - only for the TLS creds/session test suite
2986
2987 tasn1=yes
2988 tasn1_cflags=""
2989 tasn1_libs=""
2990 if $pkg_config --exists "libtasn1"; then
2991     tasn1_cflags=$($pkg_config --cflags libtasn1)
2992     tasn1_libs=$($pkg_config --libs libtasn1)
2993 else
2994     tasn1=no
2995 fi
2996
2997
2998 ##########################################
2999 # PAM probe
3000
3001 if test "$auth_pam" != "no"; then
3002     cat > $TMPC <<EOF
3003 #include <security/pam_appl.h>
3004 #include <stdio.h>
3005 int main(void) {
3006    const char *service_name = "qemu";
3007    const char *user = "frank";
3008    const struct pam_conv pam_conv = { 0 };
3009    pam_handle_t *pamh = NULL;
3010    pam_start(service_name, user, &pam_conv, &pamh);
3011    return 0;
3012 }
3013 EOF
3014     if compile_prog "" "-lpam" ; then
3015         auth_pam=yes
3016     else
3017         if test "$auth_pam" = "yes"; then
3018             feature_not_found "PAM" "Install PAM development package"
3019         else
3020             auth_pam=no
3021         fi
3022     fi
3023 fi
3024
3025 ##########################################
3026 # getifaddrs (for tests/test-io-channel-socket )
3027
3028 have_ifaddrs_h=yes
3029 if ! check_include "ifaddrs.h" ; then
3030   have_ifaddrs_h=no
3031 fi
3032
3033 ##########################################
3034 # VTE probe
3035
3036 if test "$vte" != "no"; then
3037     vteminversion="0.32.0"
3038     if $pkg_config --exists "vte-2.91"; then
3039       vtepackage="vte-2.91"
3040     else
3041       vtepackage="vte-2.90"
3042     fi
3043     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3044         vte_cflags=$($pkg_config --cflags $vtepackage)
3045         vte_libs=$($pkg_config --libs $vtepackage)
3046         vteversion=$($pkg_config --modversion $vtepackage)
3047         vte="yes"
3048     elif test "$vte" = "yes"; then
3049         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3050     else
3051         vte="no"
3052     fi
3053 fi
3054
3055 ##########################################
3056 # SDL probe
3057
3058 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3059 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3060
3061 sdl_probe ()
3062 {
3063   if $pkg_config sdl2 --exists; then
3064     sdlconfig="$pkg_config sdl2"
3065     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3066   elif has "$sdl2_config"; then
3067     sdlconfig="$sdl2_config"
3068     sdlversion=$($sdlconfig --version)
3069   else
3070     if test "$sdl" = "yes" ; then
3071       feature_not_found "sdl" "Install SDL2-devel"
3072     fi
3073     sdl=no
3074     # no need to do the rest
3075     return
3076   fi
3077   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3078     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3079   fi
3080
3081   cat > $TMPC << EOF
3082 #include <SDL.h>
3083 #undef main /* We don't want SDL to override our main() */
3084 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3085 EOF
3086   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3087   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3088   if test "$static" = "yes" ; then
3089     if $pkg_config sdl2 --exists; then
3090       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3091     else
3092       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3093     fi
3094   else
3095     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3096   fi
3097   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3098     sdl=yes
3099
3100     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3101     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3102       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3103          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3104          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3105       fi
3106       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3107         :
3108       else
3109         sdl=no
3110       fi
3111     fi # static link
3112   else # sdl not found
3113     if test "$sdl" = "yes" ; then
3114       feature_not_found "sdl" "Install SDL2 devel"
3115     fi
3116     sdl=no
3117   fi # sdl compile test
3118 }
3119
3120 sdl_image_probe ()
3121 {
3122     if test "$sdl_image" != "no" ; then
3123         if $pkg_config SDL2_image --exists; then
3124             if test "$static" = "yes"; then
3125                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3126             else
3127                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3128             fi
3129             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3130             sdl_image=yes
3131
3132             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3133             sdl_libs="$sdl_libs $sdl_image_libs"
3134         else
3135             if test "$sdl_image" = "yes" ; then
3136                 feature_not_found "sdl_image" "Install SDL Image devel"
3137             else
3138                 sdl_image=no
3139             fi
3140         fi
3141     fi
3142 }
3143
3144 if test "$sdl" != "no" ; then
3145   sdl_probe
3146 fi
3147
3148 if test "$sdl" = "yes" ; then
3149   sdl_image_probe
3150 else
3151   if test "$sdl_image" = "yes"; then
3152     echo "warning: SDL Image requested, but SDL is not available, disabling"
3153   fi
3154   sdl_image=no
3155 fi
3156
3157 if test "$sdl" = "yes" ; then
3158   cat > $TMPC <<EOF
3159 #include <SDL.h>
3160 #if defined(SDL_VIDEO_DRIVER_X11)
3161 #include <X11/XKBlib.h>
3162 #else
3163 #error No x11 support
3164 #endif
3165 int main(void) { return 0; }
3166 EOF
3167   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3168     need_x11=yes
3169     sdl_cflags="$sdl_cflags $x11_cflags"
3170     sdl_libs="$sdl_libs $x11_libs"
3171   fi
3172 fi
3173
3174 ##########################################
3175 # RDMA needs OpenFabrics libraries
3176 if test "$rdma" != "no" ; then
3177   cat > $TMPC <<EOF
3178 #include <rdma/rdma_cma.h>
3179 int main(void) { return 0; }
3180 EOF
3181   rdma_libs="-lrdmacm -libverbs -libumad"
3182   if compile_prog "" "$rdma_libs" ; then
3183     rdma="yes"
3184     libs_softmmu="$libs_softmmu $rdma_libs"
3185   else
3186     if test "$rdma" = "yes" ; then
3187         error_exit \
3188             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3189             " Your options:" \
3190             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3191             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3192             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3193     fi
3194     rdma="no"
3195   fi
3196 fi
3197
3198 ##########################################
3199 # PVRDMA detection
3200
3201 cat > $TMPC <<EOF &&
3202 #include <sys/mman.h>
3203
3204 int
3205 main(void)
3206 {
3207     char buf = 0;
3208     void *addr = &buf;
3209     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3210
3211     return 0;
3212 }
3213 EOF
3214
3215 if test "$rdma" = "yes" ; then
3216     case "$pvrdma" in
3217     "")
3218         if compile_prog "" ""; then
3219             pvrdma="yes"
3220         else
3221             pvrdma="no"
3222         fi
3223         ;;
3224     "yes")
3225         if ! compile_prog "" ""; then
3226             error_exit "PVRDMA is not supported since mremap is not implemented"
3227         fi
3228         pvrdma="yes"
3229         ;;
3230     "no")
3231         pvrdma="no"
3232         ;;
3233     esac
3234 else
3235     if test "$pvrdma" = "yes" ; then
3236         error_exit "PVRDMA requires rdma suppport"
3237     fi
3238     pvrdma="no"
3239 fi
3240
3241 # Let's see if enhanced reg_mr is supported
3242 if test "$pvrdma" = "yes" ; then
3243
3244 cat > $TMPC <<EOF &&
3245 #include <infiniband/verbs.h>
3246
3247 int
3248 main(void)
3249 {
3250     struct ibv_mr *mr;
3251     struct ibv_pd *pd = NULL;
3252     size_t length = 10;
3253     uint64_t iova = 0;
3254     int access = 0;
3255     void *addr = NULL;
3256
3257     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3258
3259     ibv_dereg_mr(mr);
3260
3261     return 0;
3262 }
3263 EOF
3264     if ! compile_prog "" "-libverbs"; then
3265         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3266     fi
3267 fi
3268
3269 ##########################################
3270 # VNC SASL detection
3271 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3272   cat > $TMPC <<EOF
3273 #include <sasl/sasl.h>
3274 #include <stdio.h>
3275 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3276 EOF
3277   # Assuming Cyrus-SASL installed in /usr prefix
3278   vnc_sasl_cflags=""
3279   vnc_sasl_libs="-lsasl2"
3280   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3281     vnc_sasl=yes
3282     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3283     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3284   else
3285     if test "$vnc_sasl" = "yes" ; then
3286       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3287     fi
3288     vnc_sasl=no
3289   fi
3290 fi
3291
3292 ##########################################
3293 # VNC JPEG detection
3294 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3295 cat > $TMPC <<EOF
3296 #include <stdio.h>
3297 #include <jpeglib.h>
3298 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3299 EOF
3300     vnc_jpeg_cflags=""
3301     vnc_jpeg_libs="-ljpeg"
3302   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3303     vnc_jpeg=yes
3304     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3305     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3306   else
3307     if test "$vnc_jpeg" = "yes" ; then
3308       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3309     fi
3310     vnc_jpeg=no
3311   fi
3312 fi
3313
3314 ##########################################
3315 # VNC PNG detection
3316 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3317 cat > $TMPC <<EOF
3318 //#include <stdio.h>
3319 #include <png.h>
3320 #include <stddef.h>
3321 int main(void) {
3322     png_structp png_ptr;
3323     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3324     return png_ptr != 0;
3325 }
3326 EOF
3327   if $pkg_config libpng --exists; then
3328     vnc_png_cflags=$($pkg_config libpng --cflags)
3329     vnc_png_libs=$($pkg_config libpng --libs)
3330   else
3331     vnc_png_cflags=""
3332     vnc_png_libs="-lpng"
3333   fi
3334   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3335     vnc_png=yes
3336     libs_softmmu="$vnc_png_libs $libs_softmmu"
3337     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3338   else
3339     if test "$vnc_png" = "yes" ; then
3340       feature_not_found "vnc-png" "Install libpng devel"
3341     fi
3342     vnc_png=no
3343   fi
3344 fi
3345
3346 ##########################################
3347 # xkbcommon probe
3348 if test "$xkbcommon" != "no" ; then
3349   if $pkg_config xkbcommon --exists; then
3350     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3351     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3352     xkbcommon=yes
3353   else
3354     if test "$xkbcommon" = "yes" ; then
3355       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3356     fi
3357     xkbcommon=no
3358   fi
3359 fi
3360
3361
3362 ##########################################
3363 # xfsctl() probe, used for file-posix.c
3364 if test "$xfs" != "no" ; then
3365   cat > $TMPC << EOF
3366 #include <stddef.h>  /* NULL */
3367 #include <xfs/xfs.h>
3368 int main(void)
3369 {
3370     xfsctl(NULL, 0, 0, NULL);
3371     return 0;
3372 }
3373 EOF
3374   if compile_prog "" "" ; then
3375     xfs="yes"
3376   else
3377     if test "$xfs" = "yes" ; then
3378       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3379     fi
3380     xfs=no
3381   fi
3382 fi
3383
3384 ##########################################
3385 # vde libraries probe
3386 if test "$vde" != "no" ; then
3387   vde_libs="-lvdeplug"
3388   cat > $TMPC << EOF
3389 #include <libvdeplug.h>
3390 int main(void)
3391 {
3392     struct vde_open_args a = {0, 0, 0};
3393     char s[] = "";
3394     vde_open(s, s, &a);
3395     return 0;
3396 }
3397 EOF
3398   if compile_prog "" "$vde_libs" ; then
3399     vde=yes
3400   else
3401     if test "$vde" = "yes" ; then
3402       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3403     fi
3404     vde=no
3405   fi
3406 fi
3407
3408 ##########################################
3409 # netmap support probe
3410 # Apart from looking for netmap headers, we make sure that the host API version
3411 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3412 # a minor/major version number. Minor new features will be marked with values up
3413 # to 15, and if something happens that requires a change to the backend we will
3414 # move above 15, submit the backend fixes and modify this two bounds.
3415 if test "$netmap" != "no" ; then
3416   cat > $TMPC << EOF
3417 #include <inttypes.h>
3418 #include <net/if.h>
3419 #include <net/netmap.h>
3420 #include <net/netmap_user.h>
3421 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3422 #error
3423 #endif
3424 int main(void) { return 0; }
3425 EOF
3426   if compile_prog "" "" ; then
3427     netmap=yes
3428   else
3429     if test "$netmap" = "yes" ; then
3430       feature_not_found "netmap"
3431     fi
3432     netmap=no
3433   fi
3434 fi
3435
3436 ##########################################
3437 # libcap-ng library probe
3438 if test "$cap_ng" != "no" ; then
3439   cap_libs="-lcap-ng"
3440   cat > $TMPC << EOF
3441 #include <cap-ng.h>
3442 int main(void)
3443 {
3444     capng_capability_to_name(CAPNG_EFFECTIVE);
3445     return 0;
3446 }
3447 EOF
3448   if compile_prog "" "$cap_libs" ; then
3449     cap_ng=yes
3450     libs_tools="$cap_libs $libs_tools"
3451   else
3452     if test "$cap_ng" = "yes" ; then
3453       feature_not_found "cap_ng" "Install libcap-ng devel"
3454     fi
3455     cap_ng=no
3456   fi
3457 fi
3458
3459 ##########################################
3460 # Sound support libraries probe
3461
3462 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3463 for drv in $audio_drv_list; do
3464     case $drv in
3465     alsa | try-alsa)
3466     if $pkg_config alsa --exists; then
3467         alsa_libs=$($pkg_config alsa --libs)
3468         if test "$drv" = "try-alsa"; then
3469             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3470         fi
3471     else
3472         if test "$drv" = "try-alsa"; then
3473             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3474         else
3475             error_exit "$drv check failed" \
3476                 "Make sure to have the $drv libs and headers installed."
3477         fi
3478     fi
3479     ;;
3480
3481     pa | try-pa)
3482     if $pkg_config libpulse --exists; then
3483         pulse_libs=$($pkg_config libpulse --libs)
3484         if test "$drv" = "try-pa"; then
3485             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3486         fi
3487     else
3488         if test "$drv" = "try-pa"; then
3489             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3490         else
3491             error_exit "$drv check failed" \
3492                 "Make sure to have the $drv libs and headers installed."
3493         fi
3494     fi
3495     ;;
3496
3497     sdl)
3498     if test "$sdl" = "no"; then
3499         error_exit "sdl not found or disabled, can not use sdl audio driver"
3500     fi
3501     ;;
3502
3503     try-sdl)
3504     if test "$sdl" = "no"; then
3505         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3506     else
3507         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3508     fi
3509     ;;
3510
3511     coreaudio)
3512       coreaudio_libs="-framework CoreAudio"
3513     ;;
3514
3515     dsound)
3516       dsound_libs="-lole32 -ldxguid"
3517       audio_win_int="yes"
3518     ;;
3519
3520     oss)
3521       oss_libs="$oss_lib"
3522     ;;
3523
3524     *)
3525     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3526         error_exit "Unknown driver '$drv' selected" \
3527             "Possible drivers are: $audio_possible_drivers"
3528     }
3529     ;;
3530     esac
3531 done
3532
3533 ##########################################
3534 # BrlAPI probe
3535
3536 if test "$brlapi" != "no" ; then
3537   brlapi_libs="-lbrlapi"
3538   cat > $TMPC << EOF
3539 #include <brlapi.h>
3540 #include <stddef.h>
3541 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3542 EOF
3543   if compile_prog "" "$brlapi_libs" ; then
3544     brlapi=yes
3545   else
3546     if test "$brlapi" = "yes" ; then
3547       feature_not_found "brlapi" "Install brlapi devel"
3548     fi
3549     brlapi=no
3550   fi
3551 fi
3552
3553 ##########################################
3554 # iconv probe
3555 if test "$iconv" != "no" ; then
3556   cat > $TMPC << EOF
3557 #include <iconv.h>
3558 int main(void) {
3559   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3560   return conv != (iconv_t) -1;
3561 }
3562 EOF
3563   iconv_prefix_list="/usr/local:/usr"
3564   iconv_lib_list=":-liconv"
3565   IFS=:
3566   for iconv_prefix in $iconv_prefix_list; do
3567     IFS=:
3568     iconv_cflags="-I$iconv_prefix/include"
3569     iconv_ldflags="-L$iconv_prefix/lib"
3570     for iconv_link in $iconv_lib_list; do
3571       unset IFS
3572       iconv_lib="$iconv_ldflags $iconv_link"
3573       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3574       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3575         iconv_found=yes
3576         break
3577       fi
3578     done
3579     if test "$iconv_found" = yes ; then
3580       break
3581     fi
3582   done
3583   if test "$iconv_found" = "yes" ; then
3584     iconv=yes
3585   else
3586     if test "$iconv" = "yes" ; then
3587       feature_not_found "iconv" "Install iconv devel"
3588     fi
3589     iconv=no
3590   fi
3591 fi
3592
3593 ##########################################
3594 # curses probe
3595 if test "$iconv" = "no" ; then
3596   # curses will need iconv
3597   curses=no
3598 fi
3599 if test "$curses" != "no" ; then
3600   if test "$mingw32" = "yes" ; then
3601     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3602     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3603   else
3604     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3605     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3606   fi
3607   curses_found=no
3608   cat > $TMPC << EOF
3609 #include <locale.h>
3610 #include <curses.h>
3611 #include <wchar.h>
3612 #include <langinfo.h>
3613 int main(void) {
3614   const char *codeset;
3615   wchar_t wch = L'w';
3616   setlocale(LC_ALL, "");
3617   resize_term(0, 0);
3618   addwstr(L"wide chars\n");
3619   addnwstr(&wch, 1);
3620   add_wch(WACS_DEGREE);
3621   codeset = nl_langinfo(CODESET);
3622   return codeset != 0;
3623 }
3624 EOF
3625   IFS=:
3626   for curses_inc in $curses_inc_list; do
3627     # Make sure we get the wide character prototypes
3628     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3629     IFS=:
3630     for curses_lib in $curses_lib_list; do
3631       unset IFS
3632       if compile_prog "$curses_inc" "$curses_lib" ; then
3633         curses_found=yes
3634         break
3635       fi
3636     done
3637     if test "$curses_found" = yes ; then
3638       break
3639     fi
3640   done
3641   unset IFS
3642   if test "$curses_found" = "yes" ; then
3643     curses=yes
3644   else
3645     if test "$curses" = "yes" ; then
3646       feature_not_found "curses" "Install ncurses devel"
3647     fi
3648     curses=no
3649   fi
3650 fi
3651
3652 ##########################################
3653 # curl probe
3654 if test "$curl" != "no" ; then
3655   if $pkg_config libcurl --exists; then
3656     curlconfig="$pkg_config libcurl"
3657   else
3658     curlconfig=curl-config
3659   fi
3660   cat > $TMPC << EOF
3661 #include <curl/curl.h>
3662 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3663 EOF
3664   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3665   curl_libs=$($curlconfig --libs 2>/dev/null)
3666   if compile_prog "$curl_cflags" "$curl_libs" ; then
3667     curl=yes
3668   else
3669     if test "$curl" = "yes" ; then
3670       feature_not_found "curl" "Install libcurl devel"
3671     fi
3672     curl=no
3673   fi
3674 fi # test "$curl"
3675
3676 ##########################################
3677 # glib support probe
3678
3679 glib_req_ver=2.48
3680 glib_modules=gthread-2.0
3681 if test "$modules" = yes; then
3682     glib_modules="$glib_modules gmodule-export-2.0"
3683 fi
3684 if test "$plugins" = yes; then
3685     glib_modules="$glib_modules gmodule-2.0"
3686 fi
3687
3688 # This workaround is required due to a bug in pkg-config file for glib as it
3689 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3690
3691 if test "$static" = yes && test "$mingw32" = yes; then
3692     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3693 fi
3694
3695 for i in $glib_modules; do
3696     if $pkg_config --atleast-version=$glib_req_ver $i; then
3697         glib_cflags=$($pkg_config --cflags $i)
3698         glib_libs=$($pkg_config --libs $i)
3699         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3700         LIBS="$glib_libs $LIBS"
3701         libs_qga="$glib_libs $libs_qga"
3702     else
3703         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3704     fi
3705 done
3706
3707 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3708     gio=yes
3709     gio_cflags=$($pkg_config --cflags gio-2.0)
3710     gio_libs=$($pkg_config --libs gio-2.0)
3711     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3712     if [ ! -x "$gdbus_codegen" ]; then
3713         gdbus_codegen=
3714     fi
3715 else
3716     gio=no
3717 fi
3718
3719 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3720     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3721     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3722 fi
3723
3724 # Sanity check that the current size_t matches the
3725 # size that glib thinks it should be. This catches
3726 # problems on multi-arch where people try to build
3727 # 32-bit QEMU while pointing at 64-bit glib headers
3728 cat > $TMPC <<EOF
3729 #include <glib.h>
3730 #include <unistd.h>
3731
3732 #define QEMU_BUILD_BUG_ON(x) \
3733   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3734
3735 int main(void) {
3736    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3737    return 0;
3738 }
3739 EOF
3740
3741 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3742     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3743                "You probably need to set PKG_CONFIG_LIBDIR"\
3744                "to point to the right pkg-config files for your"\
3745                "build target"
3746 fi
3747
3748 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3749 cat > $TMPC << EOF
3750 #include <glib.h>
3751 int main(void) { return 0; }
3752 EOF
3753 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3754     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3755         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3756         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3757     fi
3758 fi
3759
3760 #########################################
3761 # zlib check
3762
3763 if test "$zlib" != "no" ; then
3764     if $pkg_config --exists zlib; then
3765         zlib_cflags=$($pkg_config --cflags zlib)
3766         zlib_libs=$($pkg_config --libs zlib)
3767         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3768         LIBS="$zlib_libs $LIBS"
3769     else
3770         cat > $TMPC << EOF
3771 #include <zlib.h>
3772 int main(void) { zlibVersion(); return 0; }
3773 EOF
3774         if compile_prog "" "-lz" ; then
3775             LIBS="$LIBS -lz"
3776         else
3777             error_exit "zlib check failed" \
3778                 "Make sure to have the zlib libs and headers installed."
3779         fi
3780     fi
3781 fi
3782
3783 ##########################################
3784 # SHA command probe for modules
3785 if test "$modules" = yes; then
3786     shacmd_probe="sha1sum sha1 shasum"
3787     for c in $shacmd_probe; do
3788         if has $c; then
3789             shacmd="$c"
3790             break
3791         fi
3792     done
3793     if test "$shacmd" = ""; then
3794         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3795     fi
3796 fi
3797
3798 ##########################################
3799 # pixman support probe
3800
3801 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3802   pixman_cflags=
3803   pixman_libs=
3804 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3805   pixman_cflags=$($pkg_config --cflags pixman-1)
3806   pixman_libs=$($pkg_config --libs pixman-1)
3807 else
3808   error_exit "pixman >= 0.21.8 not present." \
3809       "Please install the pixman devel package."
3810 fi
3811
3812 ##########################################
3813 # libmpathpersist probe
3814
3815 if test "$mpath" != "no" ; then
3816   # probe for the new API
3817   cat > $TMPC <<EOF
3818 #include <libudev.h>
3819 #include <mpath_persist.h>
3820 unsigned mpath_mx_alloc_len = 1024;
3821 int logsink;
3822 static struct config *multipath_conf;
3823 extern struct udev *udev;
3824 extern struct config *get_multipath_config(void);
3825 extern void put_multipath_config(struct config *conf);
3826 struct udev *udev;
3827 struct config *get_multipath_config(void) { return multipath_conf; }
3828 void put_multipath_config(struct config *conf) { }
3829
3830 int main(void) {
3831     udev = udev_new();
3832     multipath_conf = mpath_lib_init();
3833     return 0;
3834 }
3835 EOF
3836   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3837     mpathpersist=yes
3838     mpathpersist_new_api=yes
3839   else
3840     # probe for the old API
3841     cat > $TMPC <<EOF
3842 #include <libudev.h>
3843 #include <mpath_persist.h>
3844 unsigned mpath_mx_alloc_len = 1024;
3845 int logsink;
3846 int main(void) {
3847     struct udev *udev = udev_new();
3848     mpath_lib_init(udev);
3849     return 0;
3850 }
3851 EOF
3852     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3853       mpathpersist=yes
3854       mpathpersist_new_api=no
3855     else
3856       mpathpersist=no
3857     fi
3858   fi
3859 else
3860   mpathpersist=no
3861 fi
3862
3863 ##########################################
3864 # pthread probe
3865 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3866
3867 pthread=no
3868 cat > $TMPC << EOF
3869 #include <pthread.h>
3870 static void *f(void *p) { return NULL; }
3871 int main(void) {
3872   pthread_t thread;
3873   pthread_create(&thread, 0, f, 0);
3874   return 0;
3875 }
3876 EOF
3877 if compile_prog "" "" ; then
3878   pthread=yes
3879 else
3880   for pthread_lib in $PTHREADLIBS_LIST; do
3881     if compile_prog "" "$pthread_lib" ; then
3882       pthread=yes
3883       found=no
3884       for lib_entry in $LIBS; do
3885         if test "$lib_entry" = "$pthread_lib"; then
3886           found=yes
3887           break
3888         fi
3889       done
3890       if test "$found" = "no"; then
3891         LIBS="$pthread_lib $LIBS"
3892         libs_qga="$pthread_lib $libs_qga"
3893       fi
3894       PTHREAD_LIB="$pthread_lib"
3895       break
3896     fi
3897   done
3898 fi
3899
3900 if test "$mingw32" != yes && test "$pthread" = no; then
3901   error_exit "pthread check failed" \
3902       "Make sure to have the pthread libs and headers installed."
3903 fi
3904
3905 # check for pthread_setname_np with thread id
3906 pthread_setname_np_w_tid=no
3907 cat > $TMPC << EOF
3908 #include <pthread.h>
3909
3910 static void *f(void *p) { return NULL; }
3911 int main(void)
3912 {
3913     pthread_t thread;
3914     pthread_create(&thread, 0, f, 0);
3915     pthread_setname_np(thread, "QEMU");
3916     return 0;
3917 }
3918 EOF
3919 if compile_prog "" "$pthread_lib" ; then
3920   pthread_setname_np_w_tid=yes
3921 fi
3922
3923 # check for pthread_setname_np without thread id
3924 pthread_setname_np_wo_tid=no
3925 cat > $TMPC << EOF
3926 #include <pthread.h>
3927
3928 static void *f(void *p) { pthread_setname_np("QEMU"); }
3929 int main(void)
3930 {
3931     pthread_t thread;
3932     pthread_create(&thread, 0, f, 0);
3933     return 0;
3934 }
3935 EOF
3936 if compile_prog "" "$pthread_lib" ; then
3937   pthread_setname_np_wo_tid=yes
3938 fi
3939
3940 ##########################################
3941 # rbd probe
3942 if test "$rbd" != "no" ; then
3943   cat > $TMPC <<EOF
3944 #include <stdio.h>
3945 #include <rbd/librbd.h>
3946 int main(void) {
3947     rados_t cluster;
3948     rados_create(&cluster, NULL);
3949     return 0;
3950 }
3951 EOF
3952   rbd_libs="-lrbd -lrados"
3953   if compile_prog "" "$rbd_libs" ; then
3954     rbd=yes
3955   else
3956     if test "$rbd" = "yes" ; then
3957       feature_not_found "rados block device" "Install librbd/ceph devel"
3958     fi
3959     rbd=no
3960   fi
3961 fi
3962
3963 ##########################################
3964 # libssh probe
3965 if test "$libssh" != "no" ; then
3966   if $pkg_config --exists libssh; then
3967     libssh_cflags=$($pkg_config libssh --cflags)
3968     libssh_libs=$($pkg_config libssh --libs)
3969     libssh=yes
3970   else
3971     if test "$libssh" = "yes" ; then
3972       error_exit "libssh required for --enable-libssh"
3973     fi
3974     libssh=no
3975   fi
3976 fi
3977
3978 ##########################################
3979 # Check for libssh 0.8
3980 # This is done like this instead of using the LIBSSH_VERSION_* and
3981 # SSH_VERSION_* macros because some distributions in the past shipped
3982 # snapshots of the future 0.8 from Git, and those snapshots did not
3983 # have updated version numbers (still referring to 0.7.0).
3984
3985 if test "$libssh" = "yes"; then
3986   cat > $TMPC <<EOF
3987 #include <libssh/libssh.h>
3988 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3989 EOF
3990   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3991     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3992   fi
3993 fi
3994
3995 ##########################################
3996 # linux-aio probe
3997
3998 if test "$linux_aio" != "no" ; then
3999   cat > $TMPC <<EOF
4000 #include <libaio.h>
4001 #include <sys/eventfd.h>
4002 #include <stddef.h>
4003 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
4004 EOF
4005   if compile_prog "" "-laio" ; then
4006     linux_aio=yes
4007   else
4008     if test "$linux_aio" = "yes" ; then
4009       feature_not_found "linux AIO" "Install libaio devel"
4010     fi
4011     linux_aio=no
4012   fi
4013 fi
4014 ##########################################
4015 # linux-io-uring probe
4016
4017 if test "$linux_io_uring" != "no" ; then
4018   if $pkg_config liburing; then
4019     linux_io_uring_cflags=$($pkg_config --cflags liburing)
4020     linux_io_uring_libs=$($pkg_config --libs liburing)
4021     linux_io_uring=yes
4022   else
4023     if test "$linux_io_uring" = "yes" ; then
4024       feature_not_found "linux io_uring" "Install liburing devel"
4025     fi
4026     linux_io_uring=no
4027   fi
4028 fi
4029
4030 ##########################################
4031 # TPM emulation is only on POSIX
4032
4033 if test "$tpm" = ""; then
4034   if test "$mingw32" = "yes"; then
4035     tpm=no
4036   else
4037     tpm=yes
4038   fi
4039 elif test "$tpm" = "yes"; then
4040   if test "$mingw32" = "yes" ; then
4041     error_exit "TPM emulation only available on POSIX systems"
4042   fi
4043 fi
4044
4045 ##########################################
4046 # attr probe
4047
4048 if test "$attr" != "no" ; then
4049   cat > $TMPC <<EOF
4050 #include <stdio.h>
4051 #include <sys/types.h>
4052 #ifdef CONFIG_LIBATTR
4053 #include <attr/xattr.h>
4054 #else
4055 #include <sys/xattr.h>
4056 #endif
4057 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4058 EOF
4059   if compile_prog "" "" ; then
4060     attr=yes
4061   # Older distros have <attr/xattr.h>, and need -lattr:
4062   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4063     attr=yes
4064     LIBS="-lattr $LIBS"
4065     libattr=yes
4066   else
4067     if test "$attr" = "yes" ; then
4068       feature_not_found "ATTR" "Install libc6 or libattr devel"
4069     fi
4070     attr=no
4071   fi
4072 fi
4073
4074 ##########################################
4075 # iovec probe
4076 cat > $TMPC <<EOF
4077 #include <sys/types.h>
4078 #include <sys/uio.h>
4079 #include <unistd.h>
4080 int main(void) { return sizeof(struct iovec); }
4081 EOF
4082 iovec=no
4083 if compile_prog "" "" ; then
4084   iovec=yes
4085 fi
4086
4087 ##########################################
4088 # preadv probe
4089 cat > $TMPC <<EOF
4090 #include <sys/types.h>
4091 #include <sys/uio.h>
4092 #include <unistd.h>
4093 int main(void) { return preadv(0, 0, 0, 0); }
4094 EOF
4095 preadv=no
4096 if compile_prog "" "" ; then
4097   preadv=yes
4098 fi
4099
4100 ##########################################
4101 # fdt probe
4102 # fdt support is mandatory for at least some target architectures,
4103 # so insist on it if we're building those system emulators.
4104 fdt_required=no
4105 for target in $target_list; do
4106   case $target in
4107     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4108       fdt_required=yes
4109     ;;
4110   esac
4111 done
4112
4113 if test "$fdt_required" = "yes"; then
4114   if test "$fdt" = "no"; then
4115     error_exit "fdt disabled but some requested targets require it." \
4116       "You can turn off fdt only if you also disable all the system emulation" \
4117       "targets which need it (by specifying a cut down --target-list)."
4118   fi
4119   fdt=yes
4120 elif test "$fdt" != "yes" ; then
4121   fdt=no
4122 fi
4123
4124 if test "$fdt" != "no" ; then
4125   fdt_libs="-lfdt"
4126   # explicitly check for libfdt_env.h as it is missing in some stable installs
4127   # and test for required functions to make sure we are on a version >= 1.4.2
4128   cat > $TMPC << EOF
4129 #include <libfdt.h>
4130 #include <libfdt_env.h>
4131 int main(void) { fdt_check_full(NULL, 0); return 0; }
4132 EOF
4133   if compile_prog "" "$fdt_libs" ; then
4134     # system DTC is good - use it
4135     fdt=system
4136   else
4137       # have GIT checkout, so activate dtc submodule
4138       if test -e "${source_path}/.git" ; then
4139           git_submodules="${git_submodules} dtc"
4140       fi
4141       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4142           fdt=git
4143           mkdir -p dtc
4144           if [ "$pwd_is_source_path" != "y" ] ; then
4145               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4146               symlink "$source_path/dtc/scripts" "dtc/scripts"
4147           fi
4148           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4149           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4150           fdt_libs="$fdt_libs"
4151       elif test "$fdt" = "yes" ; then
4152           # Not a git build & no libfdt found, prompt for system install
4153           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4154                      "Please install the DTC (libfdt) devel package"
4155       else
4156           # don't have and don't want
4157           fdt_libs=
4158           fdt=no
4159       fi
4160   fi
4161 fi
4162
4163 libs_softmmu="$libs_softmmu $fdt_libs"
4164
4165 ##########################################
4166 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4167
4168 gbm="no"
4169 if $pkg_config gbm; then
4170     gbm_cflags="$($pkg_config --cflags gbm)"
4171     gbm_libs="$($pkg_config --libs gbm)"
4172     gbm="yes"
4173 fi
4174
4175 if test "$opengl" != "no" ; then
4176   opengl_pkgs="epoxy gbm"
4177   if $pkg_config $opengl_pkgs; then
4178     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4179     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4180     opengl=yes
4181     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4182         gtk_gl="yes"
4183     fi
4184     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4185   else
4186     if test "$opengl" = "yes" ; then
4187       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4188     fi
4189     opengl_cflags=""
4190     opengl_libs=""
4191     opengl=no
4192   fi
4193 fi
4194
4195 if test "$opengl" = "yes"; then
4196   cat > $TMPC << EOF
4197 #include <epoxy/egl.h>
4198 #ifndef EGL_MESA_image_dma_buf_export
4199 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4200 #endif
4201 int main(void) { return 0; }
4202 EOF
4203   if compile_prog "" "" ; then
4204     opengl_dmabuf=yes
4205   fi
4206 fi
4207
4208 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4209   for target in $target_list; do
4210     case $target in
4211       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4212         need_x11=yes
4213       ;;
4214     esac
4215   done
4216 fi
4217
4218 ##########################################
4219 # libxml2 probe
4220 if test "$libxml2" != "no" ; then
4221     if $pkg_config --exists libxml-2.0; then
4222         libxml2="yes"
4223         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4224         libxml2_libs=$($pkg_config --libs libxml-2.0)
4225     else
4226         if test "$libxml2" = "yes"; then
4227             feature_not_found "libxml2" "Install libxml2 devel"
4228         fi
4229         libxml2="no"
4230     fi
4231 fi
4232
4233 ##########################################
4234 # glusterfs probe
4235 if test "$glusterfs" != "no" ; then
4236   if $pkg_config --atleast-version=3 glusterfs-api; then
4237     glusterfs="yes"
4238     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4239     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4240     if $pkg_config --atleast-version=4 glusterfs-api; then
4241       glusterfs_xlator_opt="yes"
4242     fi
4243     if $pkg_config --atleast-version=5 glusterfs-api; then
4244       glusterfs_discard="yes"
4245     fi
4246     if $pkg_config --atleast-version=6 glusterfs-api; then
4247       glusterfs_fallocate="yes"
4248       glusterfs_zerofill="yes"
4249     fi
4250     cat > $TMPC << EOF
4251 #include <glusterfs/api/glfs.h>
4252
4253 int
4254 main(void)
4255 {
4256         /* new glfs_ftruncate() passes two additional args */
4257         return glfs_ftruncate(NULL, 0, NULL, NULL);
4258 }
4259 EOF
4260     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4261       glusterfs_ftruncate_has_stat="yes"
4262     fi
4263     cat > $TMPC << EOF
4264 #include <glusterfs/api/glfs.h>
4265
4266 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4267 static void
4268 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4269 {}
4270
4271 int
4272 main(void)
4273 {
4274         glfs_io_cbk iocb = &glusterfs_iocb;
4275         iocb(NULL, 0 , NULL, NULL, NULL);
4276         return 0;
4277 }
4278 EOF
4279     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4280       glusterfs_iocb_has_stat="yes"
4281     fi
4282   else
4283     if test "$glusterfs" = "yes" ; then
4284       feature_not_found "GlusterFS backend support" \
4285           "Install glusterfs-api devel >= 3"
4286     fi
4287     glusterfs="no"
4288   fi
4289 fi
4290
4291 # Check for inotify functions when we are building linux-user
4292 # emulator.  This is done because older glibc versions don't
4293 # have syscall stubs for these implemented.  In that case we
4294 # don't provide them even if kernel supports them.
4295 #
4296 inotify=no
4297 cat > $TMPC << EOF
4298 #include <sys/inotify.h>
4299
4300 int
4301 main(void)
4302 {
4303         /* try to start inotify */
4304         return inotify_init();
4305 }
4306 EOF
4307 if compile_prog "" "" ; then
4308   inotify=yes
4309 fi
4310
4311 inotify1=no
4312 cat > $TMPC << EOF
4313 #include <sys/inotify.h>
4314
4315 int
4316 main(void)
4317 {
4318     /* try to start inotify */
4319     return inotify_init1(0);
4320 }
4321 EOF
4322 if compile_prog "" "" ; then
4323   inotify1=yes
4324 fi
4325
4326 # check if pipe2 is there
4327 pipe2=no
4328 cat > $TMPC << EOF
4329 #include <unistd.h>
4330 #include <fcntl.h>
4331
4332 int main(void)
4333 {
4334     int pipefd[2];
4335     return pipe2(pipefd, O_CLOEXEC);
4336 }
4337 EOF
4338 if compile_prog "" "" ; then
4339   pipe2=yes
4340 fi
4341
4342 # check if accept4 is there
4343 accept4=no
4344 cat > $TMPC << EOF
4345 #include <sys/socket.h>
4346 #include <stddef.h>
4347
4348 int main(void)
4349 {
4350     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4351     return 0;
4352 }
4353 EOF
4354 if compile_prog "" "" ; then
4355   accept4=yes
4356 fi
4357
4358 # check if tee/splice is there. vmsplice was added same time.
4359 splice=no
4360 cat > $TMPC << EOF
4361 #include <unistd.h>
4362 #include <fcntl.h>
4363 #include <limits.h>
4364
4365 int main(void)
4366 {
4367     int len, fd = 0;
4368     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4369     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4370     return 0;
4371 }
4372 EOF
4373 if compile_prog "" "" ; then
4374   splice=yes
4375 fi
4376
4377 ##########################################
4378 # libnuma probe
4379
4380 if test "$numa" != "no" ; then
4381   cat > $TMPC << EOF
4382 #include <numa.h>
4383 int main(void) { return numa_available(); }
4384 EOF
4385
4386   if compile_prog "" "-lnuma" ; then
4387     numa=yes
4388     libs_softmmu="-lnuma $libs_softmmu"
4389   else
4390     if test "$numa" = "yes" ; then
4391       feature_not_found "numa" "install numactl devel"
4392     fi
4393     numa=no
4394   fi
4395 fi
4396
4397 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4398     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4399     exit 1
4400 fi
4401
4402 # Even if malloc_trim() is available, these non-libc memory allocators
4403 # do not support it.
4404 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4405     if test "$malloc_trim" = "yes" ; then
4406         echo "Disabling malloc_trim with non-libc memory allocator"
4407     fi
4408     malloc_trim="no"
4409 fi
4410
4411 #######################################
4412 # malloc_trim
4413
4414 if test "$malloc_trim" != "no" ; then
4415     cat > $TMPC << EOF
4416 #include <malloc.h>
4417 int main(void) { malloc_trim(0); return 0; }
4418 EOF
4419     if compile_prog "" "" ; then
4420         malloc_trim="yes"
4421     else
4422         malloc_trim="no"
4423     fi
4424 fi
4425
4426 ##########################################
4427 # tcmalloc probe
4428
4429 if test "$tcmalloc" = "yes" ; then
4430   cat > $TMPC << EOF
4431 #include <stdlib.h>
4432 int main(void) { malloc(1); return 0; }
4433 EOF
4434
4435   if compile_prog "" "-ltcmalloc" ; then
4436     LIBS="-ltcmalloc $LIBS"
4437   else
4438     feature_not_found "tcmalloc" "install gperftools devel"
4439   fi
4440 fi
4441
4442 ##########################################
4443 # jemalloc probe
4444
4445 if test "$jemalloc" = "yes" ; then
4446   cat > $TMPC << EOF
4447 #include <stdlib.h>
4448 int main(void) { malloc(1); return 0; }
4449 EOF
4450
4451   if compile_prog "" "-ljemalloc" ; then
4452     LIBS="-ljemalloc $LIBS"
4453   else
4454     feature_not_found "jemalloc" "install jemalloc devel"
4455   fi
4456 fi
4457
4458 ##########################################
4459 # signalfd probe
4460 signalfd="no"
4461 cat > $TMPC << EOF
4462 #include <unistd.h>
4463 #include <sys/syscall.h>
4464 #include <signal.h>
4465 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4466 EOF
4467
4468 if compile_prog "" "" ; then
4469   signalfd=yes
4470 fi
4471
4472 # check if optreset global is declared by <getopt.h>
4473 optreset="no"
4474 cat > $TMPC << EOF
4475 #include <getopt.h>
4476 int main(void) { return optreset; }
4477 EOF
4478
4479 if compile_prog "" "" ; then
4480   optreset=yes
4481 fi
4482
4483 # check if eventfd is supported
4484 eventfd=no
4485 cat > $TMPC << EOF
4486 #include <sys/eventfd.h>
4487
4488 int main(void)
4489 {
4490     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4491 }
4492 EOF
4493 if compile_prog "" "" ; then
4494   eventfd=yes
4495 fi
4496
4497 # check if memfd is supported
4498 memfd=no
4499 cat > $TMPC << EOF
4500 #include <sys/mman.h>
4501
4502 int main(void)
4503 {
4504     return memfd_create("foo", MFD_ALLOW_SEALING);
4505 }
4506 EOF
4507 if compile_prog "" "" ; then
4508   memfd=yes
4509 fi
4510
4511 # check for usbfs
4512 have_usbfs=no
4513 if test "$linux_user" = "yes"; then
4514   cat > $TMPC << EOF
4515 #include <linux/usbdevice_fs.h>
4516
4517 #ifndef USBDEVFS_GET_CAPABILITIES
4518 #error "USBDEVFS_GET_CAPABILITIES undefined"
4519 #endif
4520
4521 #ifndef USBDEVFS_DISCONNECT_CLAIM
4522 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4523 #endif
4524
4525 int main(void)
4526 {
4527     return 0;
4528 }
4529 EOF
4530   if compile_prog "" ""; then
4531     have_usbfs=yes
4532   fi
4533 fi
4534
4535 # check for fallocate
4536 fallocate=no
4537 cat > $TMPC << EOF
4538 #include <fcntl.h>
4539
4540 int main(void)
4541 {
4542     fallocate(0, 0, 0, 0);
4543     return 0;
4544 }
4545 EOF
4546 if compile_prog "" "" ; then
4547   fallocate=yes
4548 fi
4549
4550 # check for fallocate hole punching
4551 fallocate_punch_hole=no
4552 cat > $TMPC << EOF
4553 #include <fcntl.h>
4554 #include <linux/falloc.h>
4555
4556 int main(void)
4557 {
4558     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4559     return 0;
4560 }
4561 EOF
4562 if compile_prog "" "" ; then
4563   fallocate_punch_hole=yes
4564 fi
4565
4566 # check that fallocate supports range zeroing inside the file
4567 fallocate_zero_range=no
4568 cat > $TMPC << EOF
4569 #include <fcntl.h>
4570 #include <linux/falloc.h>
4571
4572 int main(void)
4573 {
4574     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4575     return 0;
4576 }
4577 EOF
4578 if compile_prog "" "" ; then
4579   fallocate_zero_range=yes
4580 fi
4581
4582 # check for posix_fallocate
4583 posix_fallocate=no
4584 cat > $TMPC << EOF
4585 #include <fcntl.h>
4586
4587 int main(void)
4588 {
4589     posix_fallocate(0, 0, 0);
4590     return 0;
4591 }
4592 EOF
4593 if compile_prog "" "" ; then
4594     posix_fallocate=yes
4595 fi
4596
4597 # check for sync_file_range
4598 sync_file_range=no
4599 cat > $TMPC << EOF
4600 #include <fcntl.h>
4601
4602 int main(void)
4603 {
4604     sync_file_range(0, 0, 0, 0);
4605     return 0;
4606 }
4607 EOF
4608 if compile_prog "" "" ; then
4609   sync_file_range=yes
4610 fi
4611
4612 # check for linux/fiemap.h and FS_IOC_FIEMAP
4613 fiemap=no
4614 cat > $TMPC << EOF
4615 #include <sys/ioctl.h>
4616 #include <linux/fs.h>
4617 #include <linux/fiemap.h>
4618
4619 int main(void)
4620 {
4621     ioctl(0, FS_IOC_FIEMAP, 0);
4622     return 0;
4623 }
4624 EOF
4625 if compile_prog "" "" ; then
4626   fiemap=yes
4627 fi
4628
4629 # check for dup3
4630 dup3=no
4631 cat > $TMPC << EOF
4632 #include <unistd.h>
4633
4634 int main(void)
4635 {
4636     dup3(0, 0, 0);
4637     return 0;
4638 }
4639 EOF
4640 if compile_prog "" "" ; then
4641   dup3=yes
4642 fi
4643
4644 # check for ppoll support
4645 ppoll=no
4646 cat > $TMPC << EOF
4647 #include <poll.h>
4648
4649 int main(void)
4650 {
4651     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4652     ppoll(&pfd, 1, 0, 0);
4653     return 0;
4654 }
4655 EOF
4656 if compile_prog "" "" ; then
4657   ppoll=yes
4658 fi
4659
4660 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4661 prctl_pr_set_timerslack=no
4662 cat > $TMPC << EOF
4663 #include <sys/prctl.h>
4664
4665 int main(void)
4666 {
4667     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4668     return 0;
4669 }
4670 EOF
4671 if compile_prog "" "" ; then
4672   prctl_pr_set_timerslack=yes
4673 fi
4674
4675 # check for epoll support
4676 epoll=no
4677 cat > $TMPC << EOF
4678 #include <sys/epoll.h>
4679
4680 int main(void)
4681 {
4682     epoll_create(0);
4683     return 0;
4684 }
4685 EOF
4686 if compile_prog "" "" ; then
4687   epoll=yes
4688 fi
4689
4690 # epoll_create1 is a later addition
4691 # so we must check separately for its presence
4692 epoll_create1=no
4693 cat > $TMPC << EOF
4694 #include <sys/epoll.h>
4695
4696 int main(void)
4697 {
4698     /* Note that we use epoll_create1 as a value, not as
4699      * a function being called. This is necessary so that on
4700      * old SPARC glibc versions where the function was present in
4701      * the library but not declared in the header file we will
4702      * fail the configure check. (Otherwise we will get a compiler
4703      * warning but not an error, and will proceed to fail the
4704      * qemu compile where we compile with -Werror.)
4705      */
4706     return (int)(uintptr_t)&epoll_create1;
4707 }
4708 EOF
4709 if compile_prog "" "" ; then
4710   epoll_create1=yes
4711 fi
4712
4713 # check for sendfile support
4714 sendfile=no
4715 cat > $TMPC << EOF
4716 #include <sys/sendfile.h>
4717
4718 int main(void)
4719 {
4720     return sendfile(0, 0, 0, 0);
4721 }
4722 EOF
4723 if compile_prog "" "" ; then
4724   sendfile=yes
4725 fi
4726
4727 # check for timerfd support (glibc 2.8 and newer)
4728 timerfd=no
4729 cat > $TMPC << EOF
4730 #include <sys/timerfd.h>
4731
4732 int main(void)
4733 {
4734     return(timerfd_create(CLOCK_REALTIME, 0));
4735 }
4736 EOF
4737 if compile_prog "" "" ; then
4738   timerfd=yes
4739 fi
4740
4741 # check for setns and unshare support
4742 setns=no
4743 cat > $TMPC << EOF
4744 #include <sched.h>
4745
4746 int main(void)
4747 {
4748     int ret;
4749     ret = setns(0, 0);
4750     ret = unshare(0);
4751     return ret;
4752 }
4753 EOF
4754 if compile_prog "" "" ; then
4755   setns=yes
4756 fi
4757
4758 # clock_adjtime probe
4759 clock_adjtime=no
4760 cat > $TMPC <<EOF
4761 #include <time.h>
4762
4763 int main(void)
4764 {
4765     return clock_adjtime(0, 0);
4766 }
4767 EOF
4768 clock_adjtime=no
4769 if compile_prog "" "" ; then
4770   clock_adjtime=yes
4771 fi
4772
4773 # syncfs probe
4774 syncfs=no
4775 cat > $TMPC <<EOF
4776 #include <unistd.h>
4777
4778 int main(void)
4779 {
4780     return syncfs(0);
4781 }
4782 EOF
4783 syncfs=no
4784 if compile_prog "" "" ; then
4785   syncfs=yes
4786 fi
4787
4788 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4789 kcov=no
4790 if check_include sys/kcov.h ; then
4791     kcov=yes
4792 fi
4793
4794 # Check we have a new enough version of sphinx-build
4795 has_sphinx_build() {
4796     # This is a bit awkward but works: create a trivial document and
4797     # try to run it with our configuration file (which enforces a
4798     # version requirement). This will fail if either
4799     # sphinx-build doesn't exist at all or if it is too old.
4800     mkdir -p "$TMPDIR1/sphinx"
4801     touch "$TMPDIR1/sphinx/index.rst"
4802     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4803 }
4804
4805 # Check if tools are available to build documentation.
4806 if test "$docs" != "no" ; then
4807   if has makeinfo && has pod2man && has_sphinx_build; then
4808     docs=yes
4809   else
4810     if test "$docs" = "yes" ; then
4811       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4812     fi
4813     docs=no
4814   fi
4815 fi
4816
4817 # Search for bswap_32 function
4818 byteswap_h=no
4819 cat > $TMPC << EOF
4820 #include <byteswap.h>
4821 int main(void) { return bswap_32(0); }
4822 EOF
4823 if compile_prog "" "" ; then
4824   byteswap_h=yes
4825 fi
4826
4827 # Search for bswap32 function
4828 bswap_h=no
4829 cat > $TMPC << EOF
4830 #include <sys/endian.h>
4831 #include <sys/types.h>
4832 #include <machine/bswap.h>
4833 int main(void) { return bswap32(0); }
4834 EOF
4835 if compile_prog "" "" ; then
4836   bswap_h=yes
4837 fi
4838
4839 ##########################################
4840 # Do we have libiscsi >= 1.9.0
4841 if test "$libiscsi" != "no" ; then
4842   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4843     libiscsi="yes"
4844     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4845     libiscsi_libs=$($pkg_config --libs libiscsi)
4846   else
4847     if test "$libiscsi" = "yes" ; then
4848       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4849     fi
4850     libiscsi="no"
4851   fi
4852 fi
4853
4854 ##########################################
4855 # Do we need libm
4856 cat > $TMPC << EOF
4857 #include <math.h>
4858 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4859 EOF
4860 if compile_prog "" "" ; then
4861   :
4862 elif compile_prog "" "-lm" ; then
4863   LIBS="-lm $LIBS"
4864   libs_qga="-lm $libs_qga"
4865 else
4866   error_exit "libm check failed"
4867 fi
4868
4869 ##########################################
4870 # Do we need librt
4871 # uClibc provides 2 versions of clock_gettime(), one with realtime
4872 # support and one without. This means that the clock_gettime() don't
4873 # need -lrt. We still need it for timer_create() so we check for this
4874 # function in addition.
4875 cat > $TMPC <<EOF
4876 #include <signal.h>
4877 #include <time.h>
4878 int main(void) {
4879   timer_create(CLOCK_REALTIME, NULL, NULL);
4880   return clock_gettime(CLOCK_REALTIME, NULL);
4881 }
4882 EOF
4883
4884 if compile_prog "" "" ; then
4885   :
4886 # we need pthread for static linking. use previous pthread test result
4887 elif compile_prog "" "$pthread_lib -lrt" ; then
4888   LIBS="$LIBS -lrt"
4889   libs_qga="$libs_qga -lrt"
4890 fi
4891
4892 # Check whether we need to link libutil for openpty()
4893 cat > $TMPC << EOF
4894 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4895 int main(void) { return openpty(0, 0, 0, 0, 0); }
4896 EOF
4897
4898 if ! compile_prog "" "" ; then
4899   if compile_prog "" "-lutil" ; then
4900     libs_softmmu="-lutil $libs_softmmu"
4901     libs_tools="-lutil $libs_tools"
4902   fi
4903 fi
4904
4905 ##########################################
4906 # spice probe
4907 if test "$spice" != "no" ; then
4908   cat > $TMPC << EOF
4909 #include <spice.h>
4910 int main(void) { spice_server_new(); return 0; }
4911 EOF
4912   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4913   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4914   if $pkg_config --atleast-version=0.12.5 spice-server && \
4915      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4916      compile_prog "$spice_cflags" "$spice_libs" ; then
4917     spice="yes"
4918     libs_softmmu="$libs_softmmu $spice_libs"
4919     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4920     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4921     spice_server_version=$($pkg_config --modversion spice-server)
4922   else
4923     if test "$spice" = "yes" ; then
4924       feature_not_found "spice" \
4925           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4926     fi
4927     spice="no"
4928   fi
4929 fi
4930
4931 # check for smartcard support
4932 if test "$smartcard" != "no"; then
4933     if $pkg_config --atleast-version=2.5.1 libcacard; then
4934         libcacard_cflags=$($pkg_config --cflags libcacard)
4935         libcacard_libs=$($pkg_config --libs libcacard)
4936         smartcard="yes"
4937     else
4938         if test "$smartcard" = "yes"; then
4939             feature_not_found "smartcard" "Install libcacard devel"
4940         fi
4941         smartcard="no"
4942     fi
4943 fi
4944
4945 # check for libusb
4946 if test "$libusb" != "no" ; then
4947     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4948         libusb="yes"
4949         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4950         libusb_libs=$($pkg_config --libs libusb-1.0)
4951     else
4952         if test "$libusb" = "yes"; then
4953             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4954         fi
4955         libusb="no"
4956     fi
4957 fi
4958
4959 # check for usbredirparser for usb network redirection support
4960 if test "$usb_redir" != "no" ; then
4961     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4962         usb_redir="yes"
4963         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4964         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4965     else
4966         if test "$usb_redir" = "yes"; then
4967             feature_not_found "usb-redir" "Install usbredir devel"
4968         fi
4969         usb_redir="no"
4970     fi
4971 fi
4972
4973 ##########################################
4974 # check if we have VSS SDK headers for win
4975
4976 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4977         test "$vss_win32_sdk" != "no" ; then
4978   case "$vss_win32_sdk" in
4979     "")   vss_win32_include="-isystem $source_path" ;;
4980     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4981           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4982           vss_win32_include="-isystem $source_path/.sdk/vss"
4983           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4984           ;;
4985     *)    vss_win32_include="-isystem $vss_win32_sdk"
4986   esac
4987   cat > $TMPC << EOF
4988 #define __MIDL_user_allocate_free_DEFINED__
4989 #include <inc/win2003/vss.h>
4990 int main(void) { return VSS_CTX_BACKUP; }
4991 EOF
4992   if compile_prog "$vss_win32_include" "" ; then
4993     guest_agent_with_vss="yes"
4994     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4995     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4996     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4997   else
4998     if test "$vss_win32_sdk" != "" ; then
4999       echo "ERROR: Please download and install Microsoft VSS SDK:"
5000       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
5001       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
5002       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
5003       echo "ERROR: The headers are extracted in the directory \`inc'."
5004       feature_not_found "VSS support"
5005     fi
5006     guest_agent_with_vss="no"
5007   fi
5008 fi
5009
5010 ##########################################
5011 # lookup Windows platform SDK (if not specified)
5012 # The SDK is needed only to build .tlb (type library) file of guest agent
5013 # VSS provider from the source. It is usually unnecessary because the
5014 # pre-compiled .tlb file is included.
5015
5016 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
5017         test "$guest_agent_with_vss" = "yes" ; then
5018   if test -z "$win_sdk"; then
5019     programfiles="$PROGRAMFILES"
5020     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
5021     if test -n "$programfiles"; then
5022       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
5023     else
5024       feature_not_found "Windows SDK"
5025     fi
5026   elif test "$win_sdk" = "no"; then
5027     win_sdk=""
5028   fi
5029 fi
5030
5031 ##########################################
5032 # check if mingw environment provides a recent ntddscsi.h
5033 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5034   cat > $TMPC << EOF
5035 #include <windows.h>
5036 #include <ntddscsi.h>
5037 int main(void) {
5038 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5039 #error Missing required ioctl definitions
5040 #endif
5041   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5042   return addr.Lun;
5043 }
5044 EOF
5045   if compile_prog "" "" ; then
5046     guest_agent_ntddscsi=yes
5047     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5048   fi
5049 fi
5050
5051 ##########################################
5052 # virgl renderer probe
5053
5054 if test "$virglrenderer" != "no" ; then
5055   cat > $TMPC << EOF
5056 #include <virglrenderer.h>
5057 int main(void) { virgl_renderer_poll(); return 0; }
5058 EOF
5059   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5060   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5061   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5062   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5063      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5064     virglrenderer="yes"
5065   else
5066     if test "$virglrenderer" = "yes" ; then
5067       feature_not_found "virglrenderer"
5068     fi
5069     virglrenderer="no"
5070   fi
5071 fi
5072
5073 ##########################################
5074 # capstone
5075
5076 case "$capstone" in
5077   "" | yes)
5078     if $pkg_config capstone; then
5079       capstone=system
5080     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5081       capstone=git
5082     elif test -e "${source_path}/capstone/Makefile" ; then
5083       capstone=internal
5084     elif test -z "$capstone" ; then
5085       capstone=no
5086     else
5087       feature_not_found "capstone" "Install capstone devel or git submodule"
5088     fi
5089     ;;
5090
5091   system)
5092     if ! $pkg_config capstone; then
5093       feature_not_found "capstone" "Install capstone devel"
5094     fi
5095     ;;
5096 esac
5097
5098 case "$capstone" in
5099   git | internal)
5100     if test "$capstone" = git; then
5101       git_submodules="${git_submodules} capstone"
5102     fi
5103     mkdir -p capstone
5104     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5105     if test "$mingw32" = "yes"; then
5106       LIBCAPSTONE=capstone.lib
5107     else
5108       LIBCAPSTONE=libcapstone.a
5109     fi
5110     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5111     ;;
5112
5113   system)
5114     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5115     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5116     ;;
5117
5118   no)
5119     ;;
5120   *)
5121     error_exit "Unknown state for capstone: $capstone"
5122     ;;
5123 esac
5124
5125 ##########################################
5126 # check if we have fdatasync
5127
5128 fdatasync=no
5129 cat > $TMPC << EOF
5130 #include <unistd.h>
5131 int main(void) {
5132 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5133 return fdatasync(0);
5134 #else
5135 #error Not supported
5136 #endif
5137 }
5138 EOF
5139 if compile_prog "" "" ; then
5140     fdatasync=yes
5141 fi
5142
5143 ##########################################
5144 # check if we have madvise
5145
5146 madvise=no
5147 cat > $TMPC << EOF
5148 #include <sys/types.h>
5149 #include <sys/mman.h>
5150 #include <stddef.h>
5151 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5152 EOF
5153 if compile_prog "" "" ; then
5154     madvise=yes
5155 fi
5156
5157 ##########################################
5158 # check if we have posix_madvise
5159
5160 posix_madvise=no
5161 cat > $TMPC << EOF
5162 #include <sys/mman.h>
5163 #include <stddef.h>
5164 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5165 EOF
5166 if compile_prog "" "" ; then
5167     posix_madvise=yes
5168 fi
5169
5170 ##########################################
5171 # check if we have posix_memalign()
5172
5173 posix_memalign=no
5174 cat > $TMPC << EOF
5175 #include <stdlib.h>
5176 int main(void) {
5177     void *p;
5178     return posix_memalign(&p, 8, 8);
5179 }
5180 EOF
5181 if compile_prog "" "" ; then
5182     posix_memalign=yes
5183 fi
5184
5185 ##########################################
5186 # check if we have posix_syslog
5187
5188 posix_syslog=no
5189 cat > $TMPC << EOF
5190 #include <syslog.h>
5191 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5192 EOF
5193 if compile_prog "" "" ; then
5194     posix_syslog=yes
5195 fi
5196
5197 ##########################################
5198 # check if we have sem_timedwait
5199
5200 sem_timedwait=no
5201 cat > $TMPC << EOF
5202 #include <semaphore.h>
5203 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5204 EOF
5205 if compile_prog "" "" ; then
5206     sem_timedwait=yes
5207 fi
5208
5209 ##########################################
5210 # check if we have strchrnul
5211
5212 strchrnul=no
5213 cat > $TMPC << EOF
5214 #include <string.h>
5215 int main(void);
5216 // Use a haystack that the compiler shouldn't be able to constant fold
5217 char *haystack = (char*)&main;
5218 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5219 EOF
5220 if compile_prog "" "" ; then
5221     strchrnul=yes
5222 fi
5223
5224 #########################################
5225 # check if we have st_atim
5226
5227 st_atim=no
5228 cat > $TMPC << EOF
5229 #include <sys/stat.h>
5230 #include <stddef.h>
5231 int main(void) { return offsetof(struct stat, st_atim); }
5232 EOF
5233 if compile_prog "" "" ; then
5234     st_atim=yes
5235 fi
5236
5237 ##########################################
5238 # check if trace backend exists
5239
5240 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5241 if test "$?" -ne 0 ; then
5242   error_exit "invalid trace backends" \
5243       "Please choose supported trace backends."
5244 fi
5245
5246 ##########################################
5247 # For 'ust' backend, test if ust headers are present
5248 if have_backend "ust"; then
5249   cat > $TMPC << EOF
5250 #include <lttng/tracepoint.h>
5251 int main(void) { return 0; }
5252 EOF
5253   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5254     if $pkg_config lttng-ust --exists; then
5255       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5256     else
5257       lttng_ust_libs="-llttng-ust -ldl"
5258     fi
5259     if $pkg_config liburcu-bp --exists; then
5260       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5261     else
5262       urcu_bp_libs="-lurcu-bp"
5263     fi
5264
5265     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5266     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5267   else
5268     error_exit "Trace backend 'ust' missing lttng-ust header files"
5269   fi
5270 fi
5271
5272 ##########################################
5273 # For 'dtrace' backend, test if 'dtrace' command is present
5274 if have_backend "dtrace"; then
5275   if ! has 'dtrace' ; then
5276     error_exit "dtrace command is not found in PATH $PATH"
5277   fi
5278   trace_backend_stap="no"
5279   if has 'stap' ; then
5280     trace_backend_stap="yes"
5281   fi
5282 fi
5283
5284 ##########################################
5285 # check and set a backend for coroutine
5286
5287 # We prefer ucontext, but it's not always possible. The fallback
5288 # is sigcontext. On Windows the only valid backend is the Windows
5289 # specific one.
5290
5291 ucontext_works=no
5292 if test "$darwin" != "yes"; then
5293   cat > $TMPC << EOF
5294 #include <ucontext.h>
5295 #ifdef __stub_makecontext
5296 #error Ignoring glibc stub makecontext which will always fail
5297 #endif
5298 int main(void) { makecontext(0, 0, 0); return 0; }
5299 EOF
5300   if compile_prog "" "" ; then
5301     ucontext_works=yes
5302   fi
5303 fi
5304
5305 if test "$coroutine" = ""; then
5306   if test "$mingw32" = "yes"; then
5307     coroutine=win32
5308   elif test "$ucontext_works" = "yes"; then
5309     coroutine=ucontext
5310   else
5311     coroutine=sigaltstack
5312   fi
5313 else
5314   case $coroutine in
5315   windows)
5316     if test "$mingw32" != "yes"; then
5317       error_exit "'windows' coroutine backend only valid for Windows"
5318     fi
5319     # Unfortunately the user visible backend name doesn't match the
5320     # coroutine-*.c filename for this case, so we have to adjust it here.
5321     coroutine=win32
5322     ;;
5323   ucontext)
5324     if test "$ucontext_works" != "yes"; then
5325       feature_not_found "ucontext"
5326     fi
5327     ;;
5328   sigaltstack)
5329     if test "$mingw32" = "yes"; then
5330       error_exit "only the 'windows' coroutine backend is valid for Windows"
5331     fi
5332     ;;
5333   *)
5334     error_exit "unknown coroutine backend $coroutine"
5335     ;;
5336   esac
5337 fi
5338
5339 if test "$coroutine_pool" = ""; then
5340   coroutine_pool=yes
5341 fi
5342
5343 if test "$debug_stack_usage" = "yes"; then
5344   if test "$coroutine_pool" = "yes"; then
5345     echo "WARN: disabling coroutine pool for stack usage debugging"
5346     coroutine_pool=no
5347   fi
5348 fi
5349
5350
5351 ##########################################
5352 # check if we have open_by_handle_at
5353
5354 open_by_handle_at=no
5355 cat > $TMPC << EOF
5356 #include <fcntl.h>
5357 #if !defined(AT_EMPTY_PATH)
5358 # error missing definition
5359 #else
5360 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5361 #endif
5362 EOF
5363 if compile_prog "" "" ; then
5364     open_by_handle_at=yes
5365 fi
5366
5367 ########################################
5368 # check if we have linux/magic.h
5369
5370 linux_magic_h=no
5371 cat > $TMPC << EOF
5372 #include <linux/magic.h>
5373 int main(void) {
5374   return 0;
5375 }
5376 EOF
5377 if compile_prog "" "" ; then
5378     linux_magic_h=yes
5379 fi
5380
5381 ########################################
5382 # check whether we can disable warning option with a pragma (this is needed
5383 # to silence warnings in the headers of some versions of external libraries).
5384 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5385 # only a warning.
5386 #
5387 # If we can't selectively disable warning in the code, disable -Werror so that
5388 # the build doesn't fail anyway.
5389
5390 pragma_disable_unused_but_set=no
5391 cat > $TMPC << EOF
5392 #pragma GCC diagnostic push
5393 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5394 #pragma GCC diagnostic pop
5395
5396 int main(void) {
5397     return 0;
5398 }
5399 EOF
5400 if compile_prog "-Werror" "" ; then
5401     pragma_diagnostic_available=yes
5402 else
5403     werror=no
5404 fi
5405
5406 ########################################
5407 # check if we have valgrind/valgrind.h
5408
5409 valgrind_h=no
5410 cat > $TMPC << EOF
5411 #include <valgrind/valgrind.h>
5412 int main(void) {
5413   return 0;
5414 }
5415 EOF
5416 if compile_prog "" "" ; then
5417     valgrind_h=yes
5418 fi
5419
5420 ########################################
5421 # check if environ is declared
5422
5423 has_environ=no
5424 cat > $TMPC << EOF
5425 #include <unistd.h>
5426 int main(void) {
5427     environ = 0;
5428     return 0;
5429 }
5430 EOF
5431 if compile_prog "" "" ; then
5432     has_environ=yes
5433 fi
5434
5435 ########################################
5436 # check if cpuid.h is usable.
5437
5438 cat > $TMPC << EOF
5439 #include <cpuid.h>
5440 int main(void) {
5441     unsigned a, b, c, d;
5442     int max = __get_cpuid_max(0, 0);
5443
5444     if (max >= 1) {
5445         __cpuid(1, a, b, c, d);
5446     }
5447
5448     if (max >= 7) {
5449         __cpuid_count(7, 0, a, b, c, d);
5450     }
5451
5452     return 0;
5453 }
5454 EOF
5455 if compile_prog "" "" ; then
5456     cpuid_h=yes
5457 fi
5458
5459 ##########################################
5460 # avx2 optimization requirement check
5461 #
5462 # There is no point enabling this if cpuid.h is not usable,
5463 # since we won't be able to select the new routines.
5464
5465 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5466   cat > $TMPC << EOF
5467 #pragma GCC push_options
5468 #pragma GCC target("avx2")
5469 #include <cpuid.h>
5470 #include <immintrin.h>
5471 static int bar(void *a) {
5472     __m256i x = *(__m256i *)a;
5473     return _mm256_testz_si256(x, x);
5474 }
5475 int main(int argc, char *argv[]) { return bar(argv[0]); }
5476 EOF
5477   if compile_object "" ; then
5478     avx2_opt="yes"
5479   else
5480     avx2_opt="no"
5481   fi
5482 fi
5483
5484 ########################################
5485 # check if __[u]int128_t is usable.
5486
5487 int128=no
5488 cat > $TMPC << EOF
5489 __int128_t a;
5490 __uint128_t b;
5491 int main (void) {
5492   a = a + b;
5493   b = a * b;
5494   a = a * a;
5495   return 0;
5496 }
5497 EOF
5498 if compile_prog "" "" ; then
5499     int128=yes
5500 fi
5501
5502 #########################################
5503 # See if 128-bit atomic operations are supported.
5504
5505 atomic128=no
5506 if test "$int128" = "yes"; then
5507   cat > $TMPC << EOF
5508 int main(void)
5509 {
5510   unsigned __int128 x = 0, y = 0;
5511   y = __atomic_load_16(&x, 0);
5512   __atomic_store_16(&x, y, 0);
5513   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5514   return 0;
5515 }
5516 EOF
5517   if compile_prog "" "" ; then
5518     atomic128=yes
5519   fi
5520 fi
5521
5522 cmpxchg128=no
5523 if test "$int128" = yes && test "$atomic128" = no; then
5524   cat > $TMPC << EOF
5525 int main(void)
5526 {
5527   unsigned __int128 x = 0, y = 0;
5528   __sync_val_compare_and_swap_16(&x, y, x);
5529   return 0;
5530 }
5531 EOF
5532   if compile_prog "" "" ; then
5533     cmpxchg128=yes
5534   fi
5535 fi
5536
5537 #########################################
5538 # See if 64-bit atomic operations are supported.
5539 # Note that without __atomic builtins, we can only
5540 # assume atomic loads/stores max at pointer size.
5541
5542 cat > $TMPC << EOF
5543 #include <stdint.h>
5544 int main(void)
5545 {
5546   uint64_t x = 0, y = 0;
5547 #ifdef __ATOMIC_RELAXED
5548   y = __atomic_load_8(&x, 0);
5549   __atomic_store_8(&x, y, 0);
5550   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5551   __atomic_exchange_8(&x, y, 0);
5552   __atomic_fetch_add_8(&x, y, 0);
5553 #else
5554   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5555   __sync_lock_test_and_set(&x, y);
5556   __sync_val_compare_and_swap(&x, y, 0);
5557   __sync_fetch_and_add(&x, y);
5558 #endif
5559   return 0;
5560 }
5561 EOF
5562 if compile_prog "" "" ; then
5563   atomic64=yes
5564 fi
5565
5566 #########################################
5567 # See if --dynamic-list is supported by the linker
5568 ld_dynamic_list="no"
5569 if test "$static" = "no" ; then
5570     cat > $TMPTXT <<EOF
5571 {
5572   foo;
5573 };
5574 EOF
5575
5576     cat > $TMPC <<EOF
5577 #include <stdio.h>
5578 void foo(void);
5579
5580 void foo(void)
5581 {
5582   printf("foo\n");
5583 }
5584
5585 int main(void)
5586 {
5587   foo();
5588   return 0;
5589 }
5590 EOF
5591
5592     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5593         ld_dynamic_list="yes"
5594     fi
5595 fi
5596
5597 #########################################
5598 # See if -exported_symbols_list is supported by the linker
5599
5600 ld_exported_symbols_list="no"
5601 if test "$static" = "no" ; then
5602     cat > $TMPTXT <<EOF
5603   _foo
5604 EOF
5605
5606     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5607         ld_exported_symbols_list="yes"
5608     fi
5609 fi
5610
5611 if  test "$plugins" = "yes" &&
5612     test "$ld_dynamic_list" = "no" &&
5613     test "$ld_exported_symbols_list" = "no" ; then
5614   error_exit \
5615       "Plugin support requires dynamic linking and specifying a set of symbols " \
5616       "that are exported to plugins. Unfortunately your linker doesn't " \
5617       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5618       "for this purpose. You can't build with --static."
5619 fi
5620
5621 ########################################
5622 # See if 16-byte vector operations are supported.
5623 # Even without a vector unit the compiler may expand these.
5624 # There is a bug in old GCC for PPC that crashes here.
5625 # Unfortunately it's the system compiler for Centos 7.
5626
5627 cat > $TMPC << EOF
5628 typedef unsigned char U1 __attribute__((vector_size(16)));
5629 typedef unsigned short U2 __attribute__((vector_size(16)));
5630 typedef unsigned int U4 __attribute__((vector_size(16)));
5631 typedef unsigned long long U8 __attribute__((vector_size(16)));
5632 typedef signed char S1 __attribute__((vector_size(16)));
5633 typedef signed short S2 __attribute__((vector_size(16)));
5634 typedef signed int S4 __attribute__((vector_size(16)));
5635 typedef signed long long S8 __attribute__((vector_size(16)));
5636 static U1 a1, b1;
5637 static U2 a2, b2;
5638 static U4 a4, b4;
5639 static U8 a8, b8;
5640 static S1 c1;
5641 static S2 c2;
5642 static S4 c4;
5643 static S8 c8;
5644 static int i;
5645 void helper(void *d, void *a, int shift, int i);
5646 void helper(void *d, void *a, int shift, int i)
5647 {
5648   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5649   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5650   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5651   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5652 }
5653 int main(void)
5654 {
5655   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5656   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5657   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5658   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5659   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5660   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5661   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5662   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5663   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5664   return 0;
5665 }
5666 EOF
5667
5668 vector16=no
5669 if compile_prog "" "" ; then
5670   vector16=yes
5671 fi
5672
5673 ########################################
5674 # See if __attribute__((alias)) is supported.
5675 # This false for Xcode 9, but has been remedied for Xcode 10.
5676 # Unfortunately, travis uses Xcode 9 by default.
5677
5678 attralias=no
5679 cat > $TMPC << EOF
5680 int x = 1;
5681 extern const int y __attribute__((alias("x")));
5682 int main(void) { return 0; }
5683 EOF
5684 if compile_prog "" "" ; then
5685     attralias=yes
5686 fi
5687
5688 ########################################
5689 # check if getauxval is available.
5690
5691 getauxval=no
5692 cat > $TMPC << EOF
5693 #include <sys/auxv.h>
5694 int main(void) {
5695   return getauxval(AT_HWCAP) == 0;
5696 }
5697 EOF
5698 if compile_prog "" "" ; then
5699     getauxval=yes
5700 fi
5701
5702 ########################################
5703 # check if ccache is interfering with
5704 # semantic analysis of macros
5705
5706 unset CCACHE_CPP2
5707 ccache_cpp2=no
5708 cat > $TMPC << EOF
5709 static const int Z = 1;
5710 #define fn() ({ Z; })
5711 #define TAUT(X) ((X) == Z)
5712 #define PAREN(X, Y) (X == Y)
5713 #define ID(X) (X)
5714 int main(int argc, char *argv[])
5715 {
5716     int x = 0, y = 0;
5717     x = ID(x);
5718     x = fn();
5719     fn();
5720     if (PAREN(x, y)) return 0;
5721     if (TAUT(Z)) return 0;
5722     return 0;
5723 }
5724 EOF
5725
5726 if ! compile_object "-Werror"; then
5727     ccache_cpp2=yes
5728 fi
5729
5730 #################################################
5731 # clang does not support glibc + FORTIFY_SOURCE.
5732
5733 if test "$fortify_source" != "no"; then
5734   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5735     fortify_source="no";
5736   elif test -n "$cxx" && has $cxx &&
5737        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5738     fortify_source="no";
5739   else
5740     fortify_source="yes"
5741   fi
5742 fi
5743
5744 ###############################################
5745 # Check if copy_file_range is provided by glibc
5746 have_copy_file_range=no
5747 cat > $TMPC << EOF
5748 #include <unistd.h>
5749 int main(void) {
5750   copy_file_range(0, NULL, 0, NULL, 0, 0);
5751   return 0;
5752 }
5753 EOF
5754 if compile_prog "" "" ; then
5755     have_copy_file_range=yes
5756 fi
5757
5758 ##########################################
5759 # check if struct fsxattr is available via linux/fs.h
5760
5761 have_fsxattr=no
5762 cat > $TMPC << EOF
5763 #include <linux/fs.h>
5764 struct fsxattr foo;
5765 int main(void) {
5766   return 0;
5767 }
5768 EOF
5769 if compile_prog "" "" ; then
5770     have_fsxattr=yes
5771 fi
5772
5773 ##########################################
5774 # check for usable membarrier system call
5775 if test "$membarrier" = "yes"; then
5776     have_membarrier=no
5777     if test "$mingw32" = "yes" ; then
5778         have_membarrier=yes
5779     elif test "$linux" = "yes" ; then
5780         cat > $TMPC << EOF
5781     #include <linux/membarrier.h>
5782     #include <sys/syscall.h>
5783     #include <unistd.h>
5784     #include <stdlib.h>
5785     int main(void) {
5786         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5787         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5788         exit(0);
5789     }
5790 EOF
5791         if compile_prog "" "" ; then
5792             have_membarrier=yes
5793         fi
5794     fi
5795     if test "$have_membarrier" = "no"; then
5796       feature_not_found "membarrier" "membarrier system call not available"
5797     fi
5798 else
5799     # Do not enable it by default even for Mingw32, because it doesn't
5800     # work on Wine.
5801     membarrier=no
5802 fi
5803
5804 ##########################################
5805 # check if rtnetlink.h exists and is useful
5806 have_rtnetlink=no
5807 cat > $TMPC << EOF
5808 #include <linux/rtnetlink.h>
5809 int main(void) {
5810   return IFLA_PROTO_DOWN;
5811 }
5812 EOF
5813 if compile_prog "" "" ; then
5814     have_rtnetlink=yes
5815 fi
5816
5817 ##########################################
5818 # check for usable AF_VSOCK environment
5819 have_af_vsock=no
5820 cat > $TMPC << EOF
5821 #include <errno.h>
5822 #include <sys/types.h>
5823 #include <sys/socket.h>
5824 #if !defined(AF_VSOCK)
5825 # error missing AF_VSOCK flag
5826 #endif
5827 #include <linux/vm_sockets.h>
5828 int main(void) {
5829     int sock, ret;
5830     struct sockaddr_vm svm;
5831     socklen_t len = sizeof(svm);
5832     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5833     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5834     if ((ret == -1) && (errno == ENOTCONN)) {
5835         return 0;
5836     }
5837     return -1;
5838 }
5839 EOF
5840 if compile_prog "" "" ; then
5841     have_af_vsock=yes
5842 fi
5843
5844 ##########################################
5845 # check for usable AF_ALG environment
5846 hava_afalg=no
5847 cat > $TMPC << EOF
5848 #include <errno.h>
5849 #include <sys/types.h>
5850 #include <sys/socket.h>
5851 #include <linux/if_alg.h>
5852 int main(void) {
5853     int sock;
5854     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5855     return sock;
5856 }
5857 EOF
5858 if compile_prog "" "" ; then
5859     have_afalg=yes
5860 fi
5861 if test "$crypto_afalg" = "yes"
5862 then
5863     if test "$have_afalg" != "yes"
5864     then
5865         error_exit "AF_ALG requested but could not be detected"
5866     fi
5867 fi
5868
5869
5870 #################################################
5871 # Check to see if we have the Hypervisor framework
5872 if [ "$darwin" = "yes" ] ; then
5873   cat > $TMPC << EOF
5874 #include <Hypervisor/hv.h>
5875 int main() { return 0;}
5876 EOF
5877   if ! compile_object ""; then
5878     hvf='no'
5879   else
5880     hvf='yes'
5881     QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
5882   fi
5883 fi
5884
5885 #################################################
5886 # Sparc implicitly links with --relax, which is
5887 # incompatible with -r, so --no-relax should be
5888 # given. It does no harm to give it on other
5889 # platforms too.
5890
5891 # Note: the prototype is needed since QEMU_CFLAGS
5892 #       contains -Wmissing-prototypes
5893 cat > $TMPC << EOF
5894 extern int foo(void);
5895 int foo(void) { return 0; }
5896 EOF
5897 if ! compile_object ""; then
5898   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5899 fi
5900 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5901   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5902     LD_REL_FLAGS=$i
5903     break
5904   fi
5905 done
5906 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5907   feature_not_found "modules" "Cannot find how to build relocatable objects"
5908 fi
5909
5910 ##########################################
5911 # check for sysmacros.h
5912
5913 have_sysmacros=no
5914 cat > $TMPC << EOF
5915 #include <sys/sysmacros.h>
5916 int main(void) {
5917     return makedev(0, 0);
5918 }
5919 EOF
5920 if compile_prog "" "" ; then
5921     have_sysmacros=yes
5922 fi
5923
5924 ##########################################
5925 # Veritas HyperScale block driver VxHS
5926 # Check if libvxhs is installed
5927
5928 if test "$vxhs" != "no" ; then
5929   cat > $TMPC <<EOF
5930 #include <stdint.h>
5931 #include <qnio/qnio_api.h>
5932
5933 void *vxhs_callback;
5934
5935 int main(void) {
5936     iio_init(QNIO_VERSION, vxhs_callback);
5937     return 0;
5938 }
5939 EOF
5940   vxhs_libs="-lvxhs -lssl"
5941   if compile_prog "" "$vxhs_libs" ; then
5942     vxhs=yes
5943   else
5944     if test "$vxhs" = "yes" ; then
5945       feature_not_found "vxhs block device" "Install libvxhs See github"
5946     fi
5947     vxhs=no
5948   fi
5949 fi
5950
5951 ##########################################
5952 # check for _Static_assert()
5953
5954 have_static_assert=no
5955 cat > $TMPC << EOF
5956 _Static_assert(1, "success");
5957 int main(void) {
5958     return 0;
5959 }
5960 EOF
5961 if compile_prog "" "" ; then
5962     have_static_assert=yes
5963 fi
5964
5965 ##########################################
5966 # check for utmpx.h, it is missing e.g. on OpenBSD
5967
5968 have_utmpx=no
5969 cat > $TMPC << EOF
5970 #include <utmpx.h>
5971 struct utmpx user_info;
5972 int main(void) {
5973     return 0;
5974 }
5975 EOF
5976 if compile_prog "" "" ; then
5977     have_utmpx=yes
5978 fi
5979
5980 ##########################################
5981 # check for getrandom()
5982
5983 have_getrandom=no
5984 cat > $TMPC << EOF
5985 #include <sys/random.h>
5986 int main(void) {
5987     return getrandom(0, 0, GRND_NONBLOCK);
5988 }
5989 EOF
5990 if compile_prog "" "" ; then
5991     have_getrandom=yes
5992 fi
5993
5994 ##########################################
5995 # checks for sanitizers
5996
5997 have_asan=no
5998 have_ubsan=no
5999 have_asan_iface_h=no
6000 have_asan_iface_fiber=no
6001
6002 if test "$sanitizers" = "yes" ; then
6003   write_c_skeleton
6004   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
6005       have_asan=yes
6006   fi
6007
6008   # we could use a simple skeleton for flags checks, but this also
6009   # detect the static linking issue of ubsan, see also:
6010   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
6011   cat > $TMPC << EOF
6012 #include <stdlib.h>
6013 int main(void) {
6014     void *tmp = malloc(10);
6015     return *(int *)(tmp + 2);
6016 }
6017 EOF
6018   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
6019       have_ubsan=yes
6020   fi
6021
6022   if check_include "sanitizer/asan_interface.h" ; then
6023       have_asan_iface_h=yes
6024   fi
6025
6026   cat > $TMPC << EOF
6027 #include <sanitizer/asan_interface.h>
6028 int main(void) {
6029   __sanitizer_start_switch_fiber(0, 0, 0);
6030   return 0;
6031 }
6032 EOF
6033   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
6034       have_asan_iface_fiber=yes
6035   fi
6036 fi
6037
6038 ##########################################
6039 # check for libpmem
6040
6041 if test "$libpmem" != "no"; then
6042         if $pkg_config --exists "libpmem"; then
6043                 libpmem="yes"
6044                 libpmem_libs=$($pkg_config --libs libpmem)
6045                 libpmem_cflags=$($pkg_config --cflags libpmem)
6046                 libs_softmmu="$libs_softmmu $libpmem_libs"
6047                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6048         else
6049                 if test "$libpmem" = "yes" ; then
6050                         feature_not_found "libpmem" "Install nvml or pmdk"
6051                 fi
6052                 libpmem="no"
6053         fi
6054 fi
6055
6056 ##########################################
6057 # check for slirp
6058
6059 case "$slirp" in
6060   "" | yes)
6061     if $pkg_config slirp; then
6062       slirp=system
6063     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6064       slirp=git
6065     elif test -e "${source_path}/slirp/Makefile" ; then
6066       slirp=internal
6067     elif test -z "$slirp" ; then
6068       slirp=no
6069     else
6070       feature_not_found "slirp" "Install slirp devel or git submodule"
6071     fi
6072     ;;
6073
6074   system)
6075     if ! $pkg_config slirp; then
6076       feature_not_found "slirp" "Install slirp devel"
6077     fi
6078     ;;
6079 esac
6080
6081 case "$slirp" in
6082   git | internal)
6083     if test "$slirp" = git; then
6084       git_submodules="${git_submodules} slirp"
6085     fi
6086     mkdir -p slirp
6087     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6088     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6089     if test "$mingw32" = "yes" ; then
6090       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6091     fi
6092     ;;
6093
6094   system)
6095     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6096     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6097     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6098     ;;
6099
6100   no)
6101     ;;
6102   *)
6103     error_exit "Unknown state for slirp: $slirp"
6104     ;;
6105 esac
6106
6107
6108 ##########################################
6109 # End of CC checks
6110 # After here, no more $cc or $ld runs
6111
6112 write_c_skeleton
6113
6114 if test "$gcov" = "yes" ; then
6115   QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
6116   QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
6117 elif test "$fortify_source" = "yes" ; then
6118   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6119 elif test "$debug" = "no"; then
6120   CFLAGS="-O2 $CFLAGS"
6121 fi
6122
6123 if test "$have_asan" = "yes"; then
6124   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
6125   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
6126   if test "$have_asan_iface_h" = "no" ; then
6127       echo "ASAN build enabled, but ASAN header missing." \
6128            "Without code annotation, the report may be inferior."
6129   elif test "$have_asan_iface_fiber" = "no" ; then
6130       echo "ASAN build enabled, but ASAN header is too old." \
6131            "Without code annotation, the report may be inferior."
6132   fi
6133 fi
6134 if test "$have_ubsan" = "yes"; then
6135   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
6136   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
6137 fi
6138
6139 ##########################################
6140 # Do we have libnfs
6141 if test "$libnfs" != "no" ; then
6142   if $pkg_config --atleast-version=1.9.3 libnfs; then
6143     libnfs="yes"
6144     libnfs_libs=$($pkg_config --libs libnfs)
6145   else
6146     if test "$libnfs" = "yes" ; then
6147       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6148     fi
6149     libnfs="no"
6150   fi
6151 fi
6152
6153 ##########################################
6154 # Do we have libudev
6155 if test "$libudev" != "no" ; then
6156   if $pkg_config libudev && test "$static" != "yes"; then
6157     libudev="yes"
6158     libudev_libs=$($pkg_config --libs libudev)
6159   else
6160     libudev="no"
6161   fi
6162 fi
6163
6164 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6165 if test "$werror" = "yes"; then
6166     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6167 fi
6168
6169 if test "$solaris" = "no" ; then
6170     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6171         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
6172     fi
6173 fi
6174
6175 # test if pod2man has --utf8 option
6176 if pod2man --help | grep -q utf8; then
6177     POD2MAN="pod2man --utf8"
6178 else
6179     POD2MAN="pod2man"
6180 fi
6181
6182 # Use ASLR, no-SEH and DEP if available
6183 if test "$mingw32" = "yes" ; then
6184     for flag in --dynamicbase --no-seh --nxcompat; do
6185         if ld_has $flag ; then
6186             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
6187         fi
6188     done
6189 fi
6190
6191 # Disable OpenBSD W^X if available
6192 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6193     cat > $TMPC <<EOF
6194     int main(void) { return 0; }
6195 EOF
6196     wx_ldflags="-Wl,-z,wxneeded"
6197     if compile_prog "" "$wx_ldflags"; then
6198         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6199     fi
6200 fi
6201
6202 qemu_confdir=$sysconfdir$confsuffix
6203 qemu_moddir=$libdir$confsuffix
6204 qemu_datadir=$datadir$confsuffix
6205 qemu_localedir="$datadir/locale"
6206 qemu_icondir="$datadir/icons"
6207 qemu_desktopdir="$datadir/applications"
6208
6209 # We can only support ivshmem if we have eventfd
6210 if [ "$eventfd" = "yes" ]; then
6211   ivshmem=yes
6212 fi
6213
6214 tools=""
6215 if test "$want_tools" = "yes" ; then
6216   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6217   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6218     tools="qemu-nbd\$(EXESUF) $tools"
6219   fi
6220   if [ "$ivshmem" = "yes" ]; then
6221     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6222   fi
6223   if [ "$curl" = "yes" ]; then
6224       tools="elf2dmp\$(EXESUF) $tools"
6225   fi
6226 fi
6227 if test "$softmmu" = yes ; then
6228   if test "$linux" = yes; then
6229     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6230       virtfs=yes
6231       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6232     else
6233       if test "$virtfs" = yes; then
6234         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6235       fi
6236       virtfs=no
6237     fi
6238     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6239       mpath=yes
6240     else
6241       if test "$mpath" = yes; then
6242         error_exit "Multipath requires libmpathpersist devel"
6243       fi
6244       mpath=no
6245     fi
6246     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6247   else
6248     if test "$virtfs" = yes; then
6249       error_exit "VirtFS is supported only on Linux"
6250     fi
6251     virtfs=no
6252     if test "$mpath" = yes; then
6253       error_exit "Multipath is supported only on Linux"
6254     fi
6255     mpath=no
6256   fi
6257   if test "$xkbcommon" = "yes"; then
6258     tools="qemu-keymap\$(EXESUF) $tools"
6259   fi
6260 fi
6261
6262 # Probe for guest agent support/options
6263
6264 if [ "$guest_agent" != "no" ]; then
6265   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6266       guest_agent=no
6267   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6268       tools="qemu-ga\$(EXESUF) $tools"
6269       guest_agent=yes
6270   elif [ "$guest_agent" != yes ]; then
6271       guest_agent=no
6272   else
6273       error_exit "Guest agent is not supported on this platform"
6274   fi
6275 fi
6276
6277 # Guest agent Window MSI  package
6278
6279 if test "$guest_agent" != yes; then
6280   if test "$guest_agent_msi" = yes; then
6281     error_exit "MSI guest agent package requires guest agent enabled"
6282   fi
6283   guest_agent_msi=no
6284 elif test "$mingw32" != "yes"; then
6285   if test "$guest_agent_msi" = "yes"; then
6286     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6287   fi
6288   guest_agent_msi=no
6289 elif ! has wixl; then
6290   if test "$guest_agent_msi" = "yes"; then
6291     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6292   fi
6293   guest_agent_msi=no
6294 else
6295   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6296   # disabled explicitly
6297   if test "$guest_agent_msi" != "no"; then
6298     guest_agent_msi=yes
6299   fi
6300 fi
6301
6302 if test "$guest_agent_msi" = "yes"; then
6303   if test "$guest_agent_with_vss" = "yes"; then
6304     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6305   fi
6306
6307   if test "$QEMU_GA_MANUFACTURER" = ""; then
6308     QEMU_GA_MANUFACTURER=QEMU
6309   fi
6310
6311   if test "$QEMU_GA_DISTRO" = ""; then
6312     QEMU_GA_DISTRO=Linux
6313   fi
6314
6315   if test "$QEMU_GA_VERSION" = ""; then
6316       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6317   fi
6318
6319   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6320
6321   case "$cpu" in
6322   x86_64)
6323     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6324     ;;
6325   i386)
6326     QEMU_GA_MSI_ARCH="-D Arch=32"
6327     ;;
6328   *)
6329     error_exit "CPU $cpu not supported for building installation package"
6330     ;;
6331   esac
6332 fi
6333
6334 # Mac OS X ships with a broken assembler
6335 roms=
6336 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6337         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6338         test "$softmmu" = yes ; then
6339     # Different host OS linkers have different ideas about the name of the ELF
6340     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6341     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6342     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6343         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6344             ld_i386_emulation="$emu"
6345             roms="optionrom"
6346             break
6347         fi
6348     done
6349 fi
6350
6351 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6352 if test "$cpu" = "s390x" ; then
6353   write_c_skeleton
6354   if compile_prog "-march=z900" ""; then
6355     roms="$roms s390-ccw"
6356   fi
6357 fi
6358
6359 # Probe for the need for relocating the user-only binary.
6360 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6361   textseg_addr=
6362   case "$cpu" in
6363     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6364       # ??? Rationale for choosing this address
6365       textseg_addr=0x60000000
6366       ;;
6367     mips)
6368       # A 256M aligned address, high in the address space, with enough
6369       # room for the code_gen_buffer above it before the stack.
6370       textseg_addr=0x60000000
6371       ;;
6372   esac
6373   if [ -n "$textseg_addr" ]; then
6374     cat > $TMPC <<EOF
6375     int main(void) { return 0; }
6376 EOF
6377     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6378     if ! compile_prog "" "$textseg_ldflags"; then
6379       # In case ld does not support -Ttext-segment, edit the default linker
6380       # script via sed to set the .text start addr.  This is needed on FreeBSD
6381       # at least.
6382       if ! $ld --verbose >/dev/null 2>&1; then
6383         error_exit \
6384             "We need to link the QEMU user mode binaries at a" \
6385             "specific text address. Unfortunately your linker" \
6386             "doesn't support either the -Ttext-segment option or" \
6387             "printing the default linker script with --verbose." \
6388             "If you don't want the user mode binaries, pass the" \
6389             "--disable-user option to configure."
6390       fi
6391
6392       $ld --verbose | sed \
6393         -e '1,/==================================================/d' \
6394         -e '/==================================================/,$d' \
6395         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6396         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6397       textseg_ldflags="-Wl,-T../config-host.ld"
6398     fi
6399   fi
6400 fi
6401
6402 # Check that the C++ compiler exists and works with the C compiler.
6403 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6404 if has $cxx; then
6405     cat > $TMPC <<EOF
6406 int c_function(void);
6407 int main(void) { return c_function(); }
6408 EOF
6409
6410     compile_object
6411
6412     cat > $TMPCXX <<EOF
6413 extern "C" {
6414    int c_function(void);
6415 }
6416 int c_function(void) { return 42; }
6417 EOF
6418
6419     update_cxxflags
6420
6421     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6422         # C++ compiler $cxx works ok with C compiler $cc
6423         :
6424     else
6425         echo "C++ compiler $cxx does not work with C compiler $cc"
6426         echo "Disabling C++ specific optional code"
6427         cxx=
6428     fi
6429 else
6430     echo "No C++ compiler available; disabling C++ specific optional code"
6431     cxx=
6432 fi
6433
6434 echo_version() {
6435     if test "$1" = "yes" ; then
6436         echo "($2)"
6437     fi
6438 }
6439
6440 # prepend pixman and ftd flags after all config tests are done
6441 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6442 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6443 libs_softmmu="$pixman_libs $libs_softmmu"
6444
6445 echo "Install prefix    $prefix"
6446 echo "BIOS directory    $(eval echo $qemu_datadir)"
6447 echo "firmware path     $(eval echo $firmwarepath)"
6448 echo "binary directory  $(eval echo $bindir)"
6449 echo "library directory $(eval echo $libdir)"
6450 echo "module directory  $(eval echo $qemu_moddir)"
6451 echo "libexec directory $(eval echo $libexecdir)"
6452 echo "include directory $(eval echo $includedir)"
6453 echo "config directory  $(eval echo $sysconfdir)"
6454 if test "$mingw32" = "no" ; then
6455 echo "local state directory   $(eval echo $local_statedir)"
6456 echo "Manual directory  $(eval echo $mandir)"
6457 echo "ELF interp prefix $interp_prefix"
6458 else
6459 echo "local state directory   queried at runtime"
6460 echo "Windows SDK       $win_sdk"
6461 fi
6462 echo "Build directory   $(pwd)"
6463 echo "Source path       $source_path"
6464 echo "GIT binary        $git"
6465 echo "GIT submodules    $git_submodules"
6466 echo "C compiler        $cc"
6467 echo "Host C compiler   $host_cc"
6468 echo "C++ compiler      $cxx"
6469 echo "Objective-C compiler $objcc"
6470 echo "ARFLAGS           $ARFLAGS"
6471 echo "CFLAGS            $CFLAGS"
6472 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6473 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6474 echo "make              $make"
6475 echo "install           $install"
6476 echo "python            $python ($python_version)"
6477 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6478 if test "$slirp" != "no" ; then
6479     echo "smbd              $smbd"
6480 fi
6481 echo "module support    $modules"
6482 echo "host CPU          $cpu"
6483 echo "host big endian   $bigendian"
6484 echo "target list       $target_list"
6485 echo "gprof enabled     $gprof"
6486 echo "sparse enabled    $sparse"
6487 echo "strip binaries    $strip_opt"
6488 echo "profiler          $profiler"
6489 echo "static build      $static"
6490 if test "$darwin" = "yes" ; then
6491     echo "Cocoa support     $cocoa"
6492 fi
6493 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6494 echo "SDL image support $sdl_image"
6495 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6496 echo "GTK GL support    $gtk_gl"
6497 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6498 echo "TLS priority      $tls_priority"
6499 echo "GNUTLS support    $gnutls"
6500 echo "libgcrypt         $gcrypt"
6501 if test "$gcrypt" = "yes"
6502 then
6503    echo "  hmac            $gcrypt_hmac"
6504    echo "  XTS             $gcrypt_xts"
6505 fi
6506 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6507 if test "$nettle" = "yes"
6508 then
6509    echo "  XTS             $nettle_xts"
6510 fi
6511 echo "libtasn1          $tasn1"
6512 echo "PAM               $auth_pam"
6513 echo "iconv support     $iconv"
6514 echo "curses support    $curses"
6515 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6516 echo "curl support      $curl"
6517 echo "mingw32 support   $mingw32"
6518 echo "Audio drivers     $audio_drv_list"
6519 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6520 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6521 echo "VirtFS support    $virtfs"
6522 echo "Multipath support $mpath"
6523 echo "VNC support       $vnc"
6524 if test "$vnc" = "yes" ; then
6525     echo "VNC SASL support  $vnc_sasl"
6526     echo "VNC JPEG support  $vnc_jpeg"
6527     echo "VNC PNG support   $vnc_png"
6528 fi
6529 echo "xen support       $xen"
6530 if test "$xen" = "yes" ; then
6531   echo "xen ctrl version  $xen_ctrl_version"
6532 fi
6533 echo "brlapi support    $brlapi"
6534 echo "Documentation     $docs"
6535 echo "PIE               $pie"
6536 echo "vde support       $vde"
6537 echo "netmap support    $netmap"
6538 echo "Linux AIO support $linux_aio"
6539 echo "Linux io_uring support $linux_io_uring"
6540 echo "ATTR/XATTR support $attr"
6541 echo "Install blobs     $blobs"
6542 echo "KVM support       $kvm"
6543 echo "HAX support       $hax"
6544 echo "HVF support       $hvf"
6545 echo "WHPX support      $whpx"
6546 echo "TCG support       $tcg"
6547 if test "$tcg" = "yes" ; then
6548     echo "TCG debug enabled $debug_tcg"
6549     echo "TCG interpreter   $tcg_interpreter"
6550 fi
6551 echo "malloc trim support $malloc_trim"
6552 echo "RDMA support      $rdma"
6553 echo "PVRDMA support    $pvrdma"
6554 echo "fdt support       $fdt"
6555 echo "membarrier        $membarrier"
6556 echo "preadv support    $preadv"
6557 echo "fdatasync         $fdatasync"
6558 echo "madvise           $madvise"
6559 echo "posix_madvise     $posix_madvise"
6560 echo "posix_memalign    $posix_memalign"
6561 echo "libcap-ng support $cap_ng"
6562 echo "vhost-net support $vhost_net"
6563 echo "vhost-crypto support $vhost_crypto"
6564 echo "vhost-scsi support $vhost_scsi"
6565 echo "vhost-vsock support $vhost_vsock"
6566 echo "vhost-user support $vhost_user"
6567 echo "vhost-user-fs support $vhost_user_fs"
6568 echo "Trace backends    $trace_backends"
6569 if have_backend "simple"; then
6570 echo "Trace output file $trace_file-<pid>"
6571 fi
6572 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6573 echo "rbd support       $rbd"
6574 echo "xfsctl support    $xfs"
6575 echo "smartcard support $smartcard"
6576 echo "libusb            $libusb"
6577 echo "usb net redir     $usb_redir"
6578 echo "OpenGL support    $opengl"
6579 echo "OpenGL dmabufs    $opengl_dmabuf"
6580 echo "libiscsi support  $libiscsi"
6581 echo "libnfs support    $libnfs"
6582 echo "build guest agent $guest_agent"
6583 echo "QGA VSS support   $guest_agent_with_vss"
6584 echo "QGA w32 disk info $guest_agent_ntddscsi"
6585 echo "QGA MSI support   $guest_agent_msi"
6586 echo "seccomp support   $seccomp"
6587 echo "coroutine backend $coroutine"
6588 echo "coroutine pool    $coroutine_pool"
6589 echo "debug stack usage $debug_stack_usage"
6590 echo "mutex debugging   $debug_mutex"
6591 echo "crypto afalg      $crypto_afalg"
6592 echo "GlusterFS support $glusterfs"
6593 echo "gcov              $gcov_tool"
6594 echo "gcov enabled      $gcov"
6595 echo "TPM support       $tpm"
6596 echo "libssh support    $libssh"
6597 echo "QOM debugging     $qom_cast_debug"
6598 echo "Live block migration $live_block_migration"
6599 echo "lzo support       $lzo"
6600 echo "snappy support    $snappy"
6601 echo "bzip2 support     $bzip2"
6602 echo "lzfse support     $lzfse"
6603 echo "NUMA host support $numa"
6604 echo "libxml2           $libxml2"
6605 echo "tcmalloc support  $tcmalloc"
6606 echo "jemalloc support  $jemalloc"
6607 echo "avx2 optimization $avx2_opt"
6608 echo "replication support $replication"
6609 echo "VxHS block device $vxhs"
6610 echo "bochs support     $bochs"
6611 echo "cloop support     $cloop"
6612 echo "dmg support       $dmg"
6613 echo "qcow v1 support   $qcow1"
6614 echo "vdi support       $vdi"
6615 echo "vvfat support     $vvfat"
6616 echo "qed support       $qed"
6617 echo "parallels support $parallels"
6618 echo "sheepdog support  $sheepdog"
6619 echo "capstone          $capstone"
6620 echo "libpmem support   $libpmem"
6621 echo "libudev           $libudev"
6622 echo "default devices   $default_devices"
6623 echo "plugin support    $plugins"
6624
6625 if test "$supported_cpu" = "no"; then
6626     echo
6627     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6628     echo
6629     echo "CPU host architecture $cpu support is not currently maintained."
6630     echo "The QEMU project intends to remove support for this host CPU in"
6631     echo "a future release if nobody volunteers to maintain it and to"
6632     echo "provide a build host for our continuous integration setup."
6633     echo "configure has succeeded and you can continue to build, but"
6634     echo "if you care about QEMU on this platform you should contact"
6635     echo "us upstream at qemu-devel@nongnu.org."
6636 fi
6637
6638 if test "$supported_os" = "no"; then
6639     echo
6640     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6641     echo
6642     echo "Host OS $targetos support is not currently maintained."
6643     echo "The QEMU project intends to remove support for this host OS in"
6644     echo "a future release if nobody volunteers to maintain it and to"
6645     echo "provide a build host for our continuous integration setup."
6646     echo "configure has succeeded and you can continue to build, but"
6647     echo "if you care about QEMU on this platform you should contact"
6648     echo "us upstream at qemu-devel@nongnu.org."
6649 fi
6650
6651 config_host_mak="config-host.mak"
6652
6653 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6654
6655 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6656 echo >> $config_host_mak
6657
6658 echo all: >> $config_host_mak
6659 echo "prefix=$prefix" >> $config_host_mak
6660 echo "bindir=$bindir" >> $config_host_mak
6661 echo "libdir=$libdir" >> $config_host_mak
6662 echo "libexecdir=$libexecdir" >> $config_host_mak
6663 echo "includedir=$includedir" >> $config_host_mak
6664 echo "mandir=$mandir" >> $config_host_mak
6665 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6666 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6667 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6668 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6669 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6670 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6671 if test "$mingw32" = "no" ; then
6672   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6673 fi
6674 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6675 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6676 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6677 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6678 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6679 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6680 echo "GIT=$git" >> $config_host_mak
6681 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6682 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6683
6684 echo "ARCH=$ARCH" >> $config_host_mak
6685
6686 if test "$default_devices" = "yes" ; then
6687   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6688 else
6689   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6690 fi
6691 if test "$debug_tcg" = "yes" ; then
6692   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6693 fi
6694 if test "$strip_opt" = "yes" ; then
6695   echo "STRIP=${strip}" >> $config_host_mak
6696 fi
6697 if test "$bigendian" = "yes" ; then
6698   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6699 fi
6700 if test "$mingw32" = "yes" ; then
6701   echo "CONFIG_WIN32=y" >> $config_host_mak
6702   rc_version=$(cat $source_path/VERSION)
6703   version_major=${rc_version%%.*}
6704   rc_version=${rc_version#*.}
6705   version_minor=${rc_version%%.*}
6706   rc_version=${rc_version#*.}
6707   version_subminor=${rc_version%%.*}
6708   version_micro=0
6709   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6710   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6711   if test "$guest_agent_with_vss" = "yes" ; then
6712     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6713     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6714     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6715   fi
6716   if test "$guest_agent_ntddscsi" = "yes" ; then
6717     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6718   fi
6719   if test "$guest_agent_msi" = "yes"; then
6720     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6721     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6722     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6723     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6724     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6725     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6726     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6727   fi
6728 else
6729   echo "CONFIG_POSIX=y" >> $config_host_mak
6730 fi
6731
6732 if test "$linux" = "yes" ; then
6733   echo "CONFIG_LINUX=y" >> $config_host_mak
6734 fi
6735
6736 if test "$darwin" = "yes" ; then
6737   echo "CONFIG_DARWIN=y" >> $config_host_mak
6738 fi
6739
6740 if test "$solaris" = "yes" ; then
6741   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6742 fi
6743 if test "$haiku" = "yes" ; then
6744   echo "CONFIG_HAIKU=y" >> $config_host_mak
6745 fi
6746 if test "$static" = "yes" ; then
6747   echo "CONFIG_STATIC=y" >> $config_host_mak
6748 fi
6749 if test "$profiler" = "yes" ; then
6750   echo "CONFIG_PROFILER=y" >> $config_host_mak
6751 fi
6752 if test "$want_tools" = "yes" ; then
6753   echo "CONFIG_TOOLS=y" >> $config_host_mak
6754 fi
6755 if test "$slirp" != "no"; then
6756   echo "CONFIG_SLIRP=y" >> $config_host_mak
6757   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6758   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6759   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6760 fi
6761 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6762     echo "config-host.h: slirp/all" >> $config_host_mak
6763 fi
6764 if test "$vde" = "yes" ; then
6765   echo "CONFIG_VDE=y" >> $config_host_mak
6766   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6767 fi
6768 if test "$netmap" = "yes" ; then
6769   echo "CONFIG_NETMAP=y" >> $config_host_mak
6770 fi
6771 if test "$l2tpv3" = "yes" ; then
6772   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6773 fi
6774 if test "$cap_ng" = "yes" ; then
6775   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6776 fi
6777 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6778 for drv in $audio_drv_list; do
6779     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6780     case "$drv" in
6781         alsa | oss | pa | sdl)
6782             echo "$def=m" >> $config_host_mak ;;
6783         *)
6784             echo "$def=y" >> $config_host_mak ;;
6785     esac
6786 done
6787 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6788 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6789 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6790 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6791 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6792 if test "$audio_win_int" = "yes" ; then
6793   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6794 fi
6795 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6796 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6797 if test "$vnc" = "yes" ; then
6798   echo "CONFIG_VNC=y" >> $config_host_mak
6799 fi
6800 if test "$vnc_sasl" = "yes" ; then
6801   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6802 fi
6803 if test "$vnc_jpeg" = "yes" ; then
6804   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6805 fi
6806 if test "$vnc_png" = "yes" ; then
6807   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6808 fi
6809 if test "$xkbcommon" = "yes" ; then
6810   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6811   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6812 fi
6813 if test "$xfs" = "yes" ; then
6814   echo "CONFIG_XFS=y" >> $config_host_mak
6815 fi
6816 qemu_version=$(head $source_path/VERSION)
6817 echo "VERSION=$qemu_version" >>$config_host_mak
6818 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6819 echo "SRC_PATH=$source_path" >> $config_host_mak
6820 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6821 if [ "$docs" = "yes" ] ; then
6822   echo "BUILD_DOCS=yes" >> $config_host_mak
6823 fi
6824 if test "$modules" = "yes"; then
6825   # $shacmd can generate a hash started with digit, which the compiler doesn't
6826   # like as an symbol. So prefix it with an underscore
6827   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6828   echo "CONFIG_MODULES=y" >> $config_host_mak
6829 fi
6830 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6831   echo "CONFIG_X11=y" >> $config_host_mak
6832   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6833   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6834 fi
6835 if test "$sdl" = "yes" ; then
6836   echo "CONFIG_SDL=m" >> $config_host_mak
6837   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6838   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6839   if test "$sdl_image" = "yes" ; then
6840       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6841   fi
6842 fi
6843 if test "$cocoa" = "yes" ; then
6844   echo "CONFIG_COCOA=y" >> $config_host_mak
6845 fi
6846 if test "$iconv" = "yes" ; then
6847   echo "CONFIG_ICONV=y" >> $config_host_mak
6848   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6849   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6850 fi
6851 if test "$curses" = "yes" ; then
6852   echo "CONFIG_CURSES=m" >> $config_host_mak
6853   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6854   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6855 fi
6856 if test "$pipe2" = "yes" ; then
6857   echo "CONFIG_PIPE2=y" >> $config_host_mak
6858 fi
6859 if test "$accept4" = "yes" ; then
6860   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6861 fi
6862 if test "$splice" = "yes" ; then
6863   echo "CONFIG_SPLICE=y" >> $config_host_mak
6864 fi
6865 if test "$eventfd" = "yes" ; then
6866   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6867 fi
6868 if test "$memfd" = "yes" ; then
6869   echo "CONFIG_MEMFD=y" >> $config_host_mak
6870 fi
6871 if test "$have_usbfs" = "yes" ; then
6872   echo "CONFIG_USBFS=y" >> $config_host_mak
6873 fi
6874 if test "$fallocate" = "yes" ; then
6875   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6876 fi
6877 if test "$fallocate_punch_hole" = "yes" ; then
6878   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6879 fi
6880 if test "$fallocate_zero_range" = "yes" ; then
6881   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6882 fi
6883 if test "$posix_fallocate" = "yes" ; then
6884   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6885 fi
6886 if test "$sync_file_range" = "yes" ; then
6887   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6888 fi
6889 if test "$fiemap" = "yes" ; then
6890   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6891 fi
6892 if test "$dup3" = "yes" ; then
6893   echo "CONFIG_DUP3=y" >> $config_host_mak
6894 fi
6895 if test "$ppoll" = "yes" ; then
6896   echo "CONFIG_PPOLL=y" >> $config_host_mak
6897 fi
6898 if test "$prctl_pr_set_timerslack" = "yes" ; then
6899   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6900 fi
6901 if test "$epoll" = "yes" ; then
6902   echo "CONFIG_EPOLL=y" >> $config_host_mak
6903 fi
6904 if test "$epoll_create1" = "yes" ; then
6905   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6906 fi
6907 if test "$sendfile" = "yes" ; then
6908   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6909 fi
6910 if test "$timerfd" = "yes" ; then
6911   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6912 fi
6913 if test "$setns" = "yes" ; then
6914   echo "CONFIG_SETNS=y" >> $config_host_mak
6915 fi
6916 if test "$clock_adjtime" = "yes" ; then
6917   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6918 fi
6919 if test "$syncfs" = "yes" ; then
6920   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6921 fi
6922 if test "$kcov" = "yes" ; then
6923   echo "CONFIG_KCOV=y" >> $config_host_mak
6924 fi
6925 if test "$inotify" = "yes" ; then
6926   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6927 fi
6928 if test "$inotify1" = "yes" ; then
6929   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6930 fi
6931 if test "$sem_timedwait" = "yes" ; then
6932   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6933 fi
6934 if test "$strchrnul" = "yes" ; then
6935   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6936 fi
6937 if test "$st_atim" = "yes" ; then
6938   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6939 fi
6940 if test "$byteswap_h" = "yes" ; then
6941   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6942 fi
6943 if test "$bswap_h" = "yes" ; then
6944   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6945 fi
6946 if test "$curl" = "yes" ; then
6947   echo "CONFIG_CURL=m" >> $config_host_mak
6948   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6949   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6950 fi
6951 if test "$brlapi" = "yes" ; then
6952   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6953   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6954 fi
6955 if test "$gtk" = "yes" ; then
6956   echo "CONFIG_GTK=m" >> $config_host_mak
6957   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6958   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6959   if test "$gtk_gl" = "yes" ; then
6960     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6961   fi
6962 fi
6963 if test "$gio" = "yes" ; then
6964     echo "CONFIG_GIO=y" >> $config_host_mak
6965     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6966     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6967     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6968 fi
6969 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6970 if test "$gnutls" = "yes" ; then
6971   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6972 fi
6973 if test "$gcrypt" = "yes" ; then
6974   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6975   if test "$gcrypt_hmac" = "yes" ; then
6976     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6977   fi
6978 fi
6979 if test "$nettle" = "yes" ; then
6980   echo "CONFIG_NETTLE=y" >> $config_host_mak
6981   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6982 fi
6983 if test "$qemu_private_xts" = "yes" ; then
6984   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6985 fi
6986 if test "$tasn1" = "yes" ; then
6987   echo "CONFIG_TASN1=y" >> $config_host_mak
6988 fi
6989 if test "$auth_pam" = "yes" ; then
6990     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6991 fi
6992 if test "$have_ifaddrs_h" = "yes" ; then
6993     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6994 fi
6995 if test "$have_broken_size_max" = "yes" ; then
6996     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6997 fi
6998
6999 # Work around a system header bug with some kernel/XFS header
7000 # versions where they both try to define 'struct fsxattr':
7001 # xfs headers will not try to redefine structs from linux headers
7002 # if this macro is set.
7003 if test "$have_fsxattr" = "yes" ; then
7004     echo "HAVE_FSXATTR=y" >> $config_host_mak
7005 fi
7006 if test "$have_copy_file_range" = "yes" ; then
7007     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
7008 fi
7009 if test "$vte" = "yes" ; then
7010   echo "CONFIG_VTE=y" >> $config_host_mak
7011   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
7012   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
7013 fi
7014 if test "$virglrenderer" = "yes" ; then
7015   echo "CONFIG_VIRGL=y" >> $config_host_mak
7016   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
7017   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
7018 fi
7019 if test "$xen" = "yes" ; then
7020   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
7021   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
7022 fi
7023 if test "$linux_aio" = "yes" ; then
7024   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
7025 fi
7026 if test "$linux_io_uring" = "yes" ; then
7027   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
7028   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
7029   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
7030 fi
7031 if test "$attr" = "yes" ; then
7032   echo "CONFIG_ATTR=y" >> $config_host_mak
7033 fi
7034 if test "$libattr" = "yes" ; then
7035   echo "CONFIG_LIBATTR=y" >> $config_host_mak
7036 fi
7037 if test "$virtfs" = "yes" ; then
7038   echo "CONFIG_VIRTFS=y" >> $config_host_mak
7039 fi
7040 if test "$mpath" = "yes" ; then
7041   echo "CONFIG_MPATH=y" >> $config_host_mak
7042   if test "$mpathpersist_new_api" = "yes"; then
7043     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
7044   fi
7045 fi
7046 if test "$vhost_scsi" = "yes" ; then
7047   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
7048 fi
7049 if test "$vhost_net" = "yes" ; then
7050   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
7051 fi
7052 if test "$vhost_net_user" = "yes" ; then
7053   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7054 fi
7055 if test "$vhost_crypto" = "yes" ; then
7056   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7057 fi
7058 if test "$vhost_vsock" = "yes" ; then
7059   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7060 fi
7061 if test "$vhost_kernel" = "yes" ; then
7062   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7063 fi
7064 if test "$vhost_user" = "yes" ; then
7065   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7066 fi
7067 if test "$vhost_user_fs" = "yes" ; then
7068   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7069 fi
7070 if test "$blobs" = "yes" ; then
7071   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7072 fi
7073 if test "$iovec" = "yes" ; then
7074   echo "CONFIG_IOVEC=y" >> $config_host_mak
7075 fi
7076 if test "$preadv" = "yes" ; then
7077   echo "CONFIG_PREADV=y" >> $config_host_mak
7078 fi
7079 if test "$fdt" != "no" ; then
7080   echo "CONFIG_FDT=y" >> $config_host_mak
7081 fi
7082 if test "$membarrier" = "yes" ; then
7083   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7084 fi
7085 if test "$signalfd" = "yes" ; then
7086   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7087 fi
7088 if test "$optreset" = "yes" ; then
7089   echo "HAVE_OPTRESET=y" >> $config_host_mak
7090 fi
7091 if test "$tcg" = "yes"; then
7092   echo "CONFIG_TCG=y" >> $config_host_mak
7093   if test "$tcg_interpreter" = "yes" ; then
7094     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7095   fi
7096 fi
7097 if test "$fdatasync" = "yes" ; then
7098   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7099 fi
7100 if test "$madvise" = "yes" ; then
7101   echo "CONFIG_MADVISE=y" >> $config_host_mak
7102 fi
7103 if test "$posix_madvise" = "yes" ; then
7104   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7105 fi
7106 if test "$posix_memalign" = "yes" ; then
7107   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7108 fi
7109
7110 if test "$spice" = "yes" ; then
7111   echo "CONFIG_SPICE=y" >> $config_host_mak
7112 fi
7113
7114 if test "$smartcard" = "yes" ; then
7115   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7116   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7117   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7118 fi
7119
7120 if test "$libusb" = "yes" ; then
7121   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7122   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7123   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7124 fi
7125
7126 if test "$usb_redir" = "yes" ; then
7127   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7128   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7129   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7130 fi
7131
7132 if test "$opengl" = "yes" ; then
7133   echo "CONFIG_OPENGL=y" >> $config_host_mak
7134   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7135   if test "$opengl_dmabuf" = "yes" ; then
7136     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7137   fi
7138 fi
7139
7140 if test "$gbm" = "yes" ; then
7141     echo "CONFIG_GBM=y" >> $config_host_mak
7142     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7143     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7144 fi
7145
7146
7147 if test "$malloc_trim" = "yes" ; then
7148   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7149 fi
7150
7151 if test "$avx2_opt" = "yes" ; then
7152   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7153 fi
7154
7155 if test "$lzo" = "yes" ; then
7156   echo "CONFIG_LZO=y" >> $config_host_mak
7157 fi
7158
7159 if test "$snappy" = "yes" ; then
7160   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7161 fi
7162
7163 if test "$bzip2" = "yes" ; then
7164   echo "CONFIG_BZIP2=y" >> $config_host_mak
7165   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7166 fi
7167
7168 if test "$lzfse" = "yes" ; then
7169   echo "CONFIG_LZFSE=y" >> $config_host_mak
7170   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7171 fi
7172
7173 if test "$libiscsi" = "yes" ; then
7174   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7175   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7176   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7177 fi
7178
7179 if test "$libnfs" = "yes" ; then
7180   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7181   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7182 fi
7183
7184 if test "$seccomp" = "yes"; then
7185   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7186   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7187   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7188 fi
7189
7190 # XXX: suppress that
7191 if [ "$bsd" = "yes" ] ; then
7192   echo "CONFIG_BSD=y" >> $config_host_mak
7193 fi
7194
7195 if test "$localtime_r" = "yes" ; then
7196   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7197 fi
7198 if test "$qom_cast_debug" = "yes" ; then
7199   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7200 fi
7201 if test "$rbd" = "yes" ; then
7202   echo "CONFIG_RBD=m" >> $config_host_mak
7203   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7204   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7205 fi
7206
7207 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7208 if test "$coroutine_pool" = "yes" ; then
7209   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7210 else
7211   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7212 fi
7213
7214 if test "$debug_stack_usage" = "yes" ; then
7215   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7216 fi
7217
7218 if test "$crypto_afalg" = "yes" ; then
7219   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7220 fi
7221
7222 if test "$open_by_handle_at" = "yes" ; then
7223   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7224 fi
7225
7226 if test "$linux_magic_h" = "yes" ; then
7227   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7228 fi
7229
7230 if test "$pragma_diagnostic_available" = "yes" ; then
7231   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7232 fi
7233
7234 if test "$valgrind_h" = "yes" ; then
7235   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7236 fi
7237
7238 if test "$have_asan_iface_fiber" = "yes" ; then
7239     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7240 fi
7241
7242 if test "$has_environ" = "yes" ; then
7243   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7244 fi
7245
7246 if test "$cpuid_h" = "yes" ; then
7247   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7248 fi
7249
7250 if test "$int128" = "yes" ; then
7251   echo "CONFIG_INT128=y" >> $config_host_mak
7252 fi
7253
7254 if test "$atomic128" = "yes" ; then
7255   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7256 fi
7257
7258 if test "$cmpxchg128" = "yes" ; then
7259   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7260 fi
7261
7262 if test "$atomic64" = "yes" ; then
7263   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7264 fi
7265
7266 if test "$vector16" = "yes" ; then
7267   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7268 fi
7269
7270 if test "$attralias" = "yes" ; then
7271   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7272 fi
7273
7274 if test "$getauxval" = "yes" ; then
7275   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7276 fi
7277
7278 if test "$glusterfs" = "yes" ; then
7279   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7280   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7281   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7282 fi
7283
7284 if test "$glusterfs_xlator_opt" = "yes" ; then
7285   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7286 fi
7287
7288 if test "$glusterfs_discard" = "yes" ; then
7289   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7290 fi
7291
7292 if test "$glusterfs_fallocate" = "yes" ; then
7293   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7294 fi
7295
7296 if test "$glusterfs_zerofill" = "yes" ; then
7297   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7298 fi
7299
7300 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7301   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7302 fi
7303
7304 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7305   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7306 fi
7307
7308 if test "$libssh" = "yes" ; then
7309   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7310   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7311   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7312 fi
7313
7314 if test "$live_block_migration" = "yes" ; then
7315   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7316 fi
7317
7318 if test "$tpm" = "yes"; then
7319   echo 'CONFIG_TPM=y' >> $config_host_mak
7320 fi
7321
7322 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7323 if have_backend "nop"; then
7324   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7325 fi
7326 if have_backend "simple"; then
7327   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7328   # Set the appropriate trace file.
7329   trace_file="\"$trace_file-\" FMT_pid"
7330 fi
7331 if have_backend "log"; then
7332   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7333 fi
7334 if have_backend "ust"; then
7335   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7336 fi
7337 if have_backend "dtrace"; then
7338   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7339   if test "$trace_backend_stap" = "yes" ; then
7340     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7341   fi
7342 fi
7343 if have_backend "ftrace"; then
7344   if test "$linux" = "yes" ; then
7345     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7346   else
7347     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7348   fi
7349 fi
7350 if have_backend "syslog"; then
7351   if test "$posix_syslog" = "yes" ; then
7352     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7353   else
7354     feature_not_found "syslog(trace backend)" "syslog not available"
7355   fi
7356 fi
7357 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7358
7359 if test "$rdma" = "yes" ; then
7360   echo "CONFIG_RDMA=y" >> $config_host_mak
7361   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7362 fi
7363
7364 if test "$pvrdma" = "yes" ; then
7365   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7366 fi
7367
7368 if test "$have_rtnetlink" = "yes" ; then
7369   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7370 fi
7371
7372 if test "$libxml2" = "yes" ; then
7373   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7374   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7375   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7376 fi
7377
7378 if test "$replication" = "yes" ; then
7379   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7380 fi
7381
7382 if test "$have_af_vsock" = "yes" ; then
7383   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7384 fi
7385
7386 if test "$have_sysmacros" = "yes" ; then
7387   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7388 fi
7389
7390 if test "$have_static_assert" = "yes" ; then
7391   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7392 fi
7393
7394 if test "$have_utmpx" = "yes" ; then
7395   echo "HAVE_UTMPX=y" >> $config_host_mak
7396 fi
7397 if test "$have_getrandom" = "yes" ; then
7398   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7399 fi
7400 if test "$ivshmem" = "yes" ; then
7401   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7402 fi
7403 if test "$capstone" != "no" ; then
7404   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7405 fi
7406 if test "$debug_mutex" = "yes" ; then
7407   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7408 fi
7409
7410 # Hold two types of flag:
7411 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7412 #                                     a thread we have a handle to
7413 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7414 #                                     platform
7415 if test "$pthread_setname_np_w_tid" = "yes" ; then
7416   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7417   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7418 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7419   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7420   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7421 fi
7422
7423 if test "$vxhs" = "yes" ; then
7424   echo "CONFIG_VXHS=y" >> $config_host_mak
7425   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7426 fi
7427
7428 if test "$libpmem" = "yes" ; then
7429   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7430 fi
7431
7432 if test "$bochs" = "yes" ; then
7433   echo "CONFIG_BOCHS=y" >> $config_host_mak
7434 fi
7435 if test "$cloop" = "yes" ; then
7436   echo "CONFIG_CLOOP=y" >> $config_host_mak
7437 fi
7438 if test "$dmg" = "yes" ; then
7439   echo "CONFIG_DMG=y" >> $config_host_mak
7440 fi
7441 if test "$qcow1" = "yes" ; then
7442   echo "CONFIG_QCOW1=y" >> $config_host_mak
7443 fi
7444 if test "$vdi" = "yes" ; then
7445   echo "CONFIG_VDI=y" >> $config_host_mak
7446 fi
7447 if test "$vvfat" = "yes" ; then
7448   echo "CONFIG_VVFAT=y" >> $config_host_mak
7449 fi
7450 if test "$qed" = "yes" ; then
7451   echo "CONFIG_QED=y" >> $config_host_mak
7452 fi
7453 if test "$parallels" = "yes" ; then
7454   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7455 fi
7456 if test "$sheepdog" = "yes" ; then
7457   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7458 fi
7459
7460 if test "$plugins" = "yes" ; then
7461     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7462     LIBS="-ldl $LIBS"
7463     # Copy the export object list to the build dir
7464     if test "$ld_dynamic_list" = "yes" ; then
7465         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7466         ld_symbols=qemu-plugins-ld.symbols
7467         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7468     elif test "$ld_exported_symbols_list" = "yes" ; then
7469         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7470         ld64_symbols=qemu-plugins-ld64.symbols
7471         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7472         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7473             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7474     else
7475         error_exit \
7476             "If \$plugins=yes, either \$ld_dynamic_list or " \
7477             "\$ld_exported_symbols_list should have been set to 'yes'."
7478     fi
7479 fi
7480
7481 if test "$tcg_interpreter" = "yes"; then
7482   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7483 elif test "$ARCH" = "sparc64" ; then
7484   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7485 elif test "$ARCH" = "s390x" ; then
7486   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7487 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7488   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7489 elif test "$ARCH" = "ppc64" ; then
7490   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7491 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7492   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7493 else
7494   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7495 fi
7496
7497 echo "TOOLS=$tools" >> $config_host_mak
7498 echo "ROMS=$roms" >> $config_host_mak
7499 echo "MAKE=$make" >> $config_host_mak
7500 echo "INSTALL=$install" >> $config_host_mak
7501 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7502 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7503 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7504 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7505 echo "PYTHON=$python" >> $config_host_mak
7506 echo "CC=$cc" >> $config_host_mak
7507 if $iasl -h > /dev/null 2>&1; then
7508   echo "IASL=$iasl" >> $config_host_mak
7509 fi
7510 echo "HOST_CC=$host_cc" >> $config_host_mak
7511 echo "CXX=$cxx" >> $config_host_mak
7512 echo "OBJCC=$objcc" >> $config_host_mak
7513 echo "AR=$ar" >> $config_host_mak
7514 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7515 echo "AS=$as" >> $config_host_mak
7516 echo "CCAS=$ccas" >> $config_host_mak
7517 echo "CPP=$cpp" >> $config_host_mak
7518 echo "OBJCOPY=$objcopy" >> $config_host_mak
7519 echo "LD=$ld" >> $config_host_mak
7520 echo "RANLIB=$ranlib" >> $config_host_mak
7521 echo "NM=$nm" >> $config_host_mak
7522 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7523 echo "WINDRES=$windres" >> $config_host_mak
7524 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7525 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7526 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7527 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7528 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7529 if test "$sparse" = "yes" ; then
7530   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7531   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7532   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7533   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7534   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7535 fi
7536 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7537 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7538 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7539 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7540 echo "LIBS+=$LIBS" >> $config_host_mak
7541 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7542 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7543 echo "EXESUF=$EXESUF" >> $config_host_mak
7544 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7545 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7546 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7547 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7548 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7549 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7550 if test "$gcov" = "yes" ; then
7551   echo "CONFIG_GCOV=y" >> $config_host_mak
7552   echo "GCOV=$gcov_tool" >> $config_host_mak
7553 fi
7554
7555 if test "$libudev" != "no"; then
7556     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7557     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7558 fi
7559
7560 if test "$edk2_blobs" = "yes" ; then
7561   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7562 fi
7563
7564 # use included Linux headers
7565 if test "$linux" = "yes" ; then
7566   mkdir -p linux-headers
7567   case "$cpu" in
7568   i386|x86_64|x32)
7569     linux_arch=x86
7570     ;;
7571   ppc|ppc64|ppc64le)
7572     linux_arch=powerpc
7573     ;;
7574   s390x)
7575     linux_arch=s390
7576     ;;
7577   aarch64)
7578     linux_arch=arm64
7579     ;;
7580   mips64)
7581     linux_arch=mips
7582     ;;
7583   *)
7584     # For most CPUs the kernel architecture name and QEMU CPU name match.
7585     linux_arch="$cpu"
7586     ;;
7587   esac
7588     # For non-KVM architectures we will not have asm headers
7589     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7590       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7591     fi
7592 fi
7593
7594 for target in $target_list; do
7595 target_dir="$target"
7596 config_target_mak=$target_dir/config-target.mak
7597 target_name=$(echo $target | cut -d '-' -f 1)
7598 target_aligned_only="no"
7599 case "$target_name" in
7600   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7601   target_aligned_only="yes"
7602   ;;
7603 esac
7604 target_bigendian="no"
7605 case "$target_name" in
7606   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7607   target_bigendian="yes"
7608   ;;
7609 esac
7610 target_softmmu="no"
7611 target_user_only="no"
7612 target_linux_user="no"
7613 target_bsd_user="no"
7614 case "$target" in
7615   ${target_name}-softmmu)
7616     target_softmmu="yes"
7617     ;;
7618   ${target_name}-linux-user)
7619     target_user_only="yes"
7620     target_linux_user="yes"
7621     ;;
7622   ${target_name}-bsd-user)
7623     target_user_only="yes"
7624     target_bsd_user="yes"
7625     ;;
7626   *)
7627     error_exit "Target '$target' not recognised"
7628     exit 1
7629     ;;
7630 esac
7631
7632 mkdir -p $target_dir
7633 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7634
7635 bflt="no"
7636 mttcg="no"
7637 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7638 gdb_xml_files=""
7639
7640 TARGET_ARCH="$target_name"
7641 TARGET_BASE_ARCH=""
7642 TARGET_ABI_DIR=""
7643
7644 case "$target_name" in
7645   i386)
7646     mttcg="yes"
7647         gdb_xml_files="i386-32bit.xml"
7648   ;;
7649   x86_64)
7650     TARGET_BASE_ARCH=i386
7651     mttcg="yes"
7652         gdb_xml_files="i386-64bit.xml"
7653   ;;
7654   alpha)
7655     mttcg="yes"
7656   ;;
7657   arm|armeb)
7658     TARGET_ARCH=arm
7659     bflt="yes"
7660     mttcg="yes"
7661     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7662   ;;
7663   aarch64|aarch64_be)
7664     TARGET_ARCH=aarch64
7665     TARGET_BASE_ARCH=arm
7666     bflt="yes"
7667     mttcg="yes"
7668     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7669   ;;
7670   cris)
7671   ;;
7672   hppa)
7673     mttcg="yes"
7674   ;;
7675   lm32)
7676   ;;
7677   m68k)
7678     bflt="yes"
7679     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7680   ;;
7681   microblaze|microblazeel)
7682     TARGET_ARCH=microblaze
7683     bflt="yes"
7684     echo "TARGET_ABI32=y" >> $config_target_mak
7685   ;;
7686   mips|mipsel)
7687     mttcg="yes"
7688     TARGET_ARCH=mips
7689     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7690   ;;
7691   mipsn32|mipsn32el)
7692     mttcg="yes"
7693     TARGET_ARCH=mips64
7694     TARGET_BASE_ARCH=mips
7695     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7696     echo "TARGET_ABI32=y" >> $config_target_mak
7697   ;;
7698   mips64|mips64el)
7699     mttcg="yes"
7700     TARGET_ARCH=mips64
7701     TARGET_BASE_ARCH=mips
7702     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7703   ;;
7704   moxie)
7705   ;;
7706   nios2)
7707   ;;
7708   or1k)
7709     TARGET_ARCH=openrisc
7710     TARGET_BASE_ARCH=openrisc
7711   ;;
7712   ppc)
7713     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7714   ;;
7715   ppc64)
7716     TARGET_BASE_ARCH=ppc
7717     TARGET_ABI_DIR=ppc
7718     mttcg=yes
7719     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7720   ;;
7721   ppc64le)
7722     TARGET_ARCH=ppc64
7723     TARGET_BASE_ARCH=ppc
7724     TARGET_ABI_DIR=ppc
7725     mttcg=yes
7726     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7727   ;;
7728   ppc64abi32)
7729     TARGET_ARCH=ppc64
7730     TARGET_BASE_ARCH=ppc
7731     TARGET_ABI_DIR=ppc
7732     echo "TARGET_ABI32=y" >> $config_target_mak
7733     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7734   ;;
7735   riscv32)
7736     TARGET_BASE_ARCH=riscv
7737     TARGET_ABI_DIR=riscv
7738     mttcg=yes
7739     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7740   ;;
7741   riscv64)
7742     TARGET_BASE_ARCH=riscv
7743     TARGET_ABI_DIR=riscv
7744     mttcg=yes
7745     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7746   ;;
7747   sh4|sh4eb)
7748     TARGET_ARCH=sh4
7749     bflt="yes"
7750   ;;
7751   sparc)
7752   ;;
7753   sparc64)
7754     TARGET_BASE_ARCH=sparc
7755   ;;
7756   sparc32plus)
7757     TARGET_ARCH=sparc64
7758     TARGET_BASE_ARCH=sparc
7759     TARGET_ABI_DIR=sparc
7760     echo "TARGET_ABI32=y" >> $config_target_mak
7761   ;;
7762   s390x)
7763     mttcg=yes
7764     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7765   ;;
7766   tilegx)
7767   ;;
7768   tricore)
7769   ;;
7770   unicore32)
7771   ;;
7772   xtensa|xtensaeb)
7773     TARGET_ARCH=xtensa
7774     bflt="yes"
7775     mttcg="yes"
7776   ;;
7777   *)
7778     error_exit "Unsupported target CPU"
7779   ;;
7780 esac
7781 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7782 if [ "$TARGET_BASE_ARCH" = "" ]; then
7783   TARGET_BASE_ARCH=$TARGET_ARCH
7784 fi
7785
7786 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7787
7788 upper() {
7789     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7790 }
7791
7792 target_arch_name="$(upper $TARGET_ARCH)"
7793 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7794 echo "TARGET_NAME=$target_name" >> $config_target_mak
7795 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7796 if [ "$TARGET_ABI_DIR" = "" ]; then
7797   TARGET_ABI_DIR=$TARGET_ARCH
7798 fi
7799 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7800 if [ "$HOST_VARIANT_DIR" != "" ]; then
7801     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7802 fi
7803
7804 if supported_xen_target $target; then
7805     echo "CONFIG_XEN=y" >> $config_target_mak
7806     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7807     if test "$xen_pci_passthrough" = yes; then
7808         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7809     fi
7810 else
7811     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7812 fi
7813 if supported_kvm_target $target; then
7814     echo "CONFIG_KVM=y" >> $config_target_mak
7815     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7816 else
7817     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7818 fi
7819 if supported_hax_target $target; then
7820     echo "CONFIG_HAX=y" >> $config_target_mak
7821 fi
7822 if supported_hvf_target $target; then
7823     echo "CONFIG_HVF=y" >> $config_target_mak
7824 fi
7825 if supported_whpx_target $target; then
7826     echo "CONFIG_WHPX=y" >> $config_target_mak
7827 fi
7828 if test "$target_aligned_only" = "yes" ; then
7829   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7830 fi
7831 if test "$target_bigendian" = "yes" ; then
7832   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7833 fi
7834 if test "$target_softmmu" = "yes" ; then
7835   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7836   if test "$mttcg" = "yes" ; then
7837     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7838   fi
7839 fi
7840 if test "$target_user_only" = "yes" ; then
7841   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7842   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7843 fi
7844 if test "$target_linux_user" = "yes" ; then
7845   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7846 fi
7847 list=""
7848 if test ! -z "$gdb_xml_files" ; then
7849   for x in $gdb_xml_files; do
7850     list="$list $source_path/gdb-xml/$x"
7851   done
7852   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7853 fi
7854
7855 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7856   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7857 fi
7858 if test "$target_bsd_user" = "yes" ; then
7859   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7860 fi
7861
7862
7863 # generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
7864
7865 cflags=""
7866 ldflags=""
7867
7868 disas_config() {
7869   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7870   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7871 }
7872
7873 for i in $ARCH $TARGET_BASE_ARCH ; do
7874   case "$i" in
7875   alpha)
7876     disas_config "ALPHA"
7877   ;;
7878   aarch64)
7879     if test -n "${cxx}"; then
7880       disas_config "ARM_A64"
7881     fi
7882   ;;
7883   arm)
7884     disas_config "ARM"
7885     if test -n "${cxx}"; then
7886       disas_config "ARM_A64"
7887     fi
7888   ;;
7889   cris)
7890     disas_config "CRIS"
7891   ;;
7892   hppa)
7893     disas_config "HPPA"
7894   ;;
7895   i386|x86_64|x32)
7896     disas_config "I386"
7897   ;;
7898   lm32)
7899     disas_config "LM32"
7900   ;;
7901   m68k)
7902     disas_config "M68K"
7903   ;;
7904   microblaze*)
7905     disas_config "MICROBLAZE"
7906   ;;
7907   mips*)
7908     disas_config "MIPS"
7909     if test -n "${cxx}"; then
7910       disas_config "NANOMIPS"
7911     fi
7912   ;;
7913   moxie*)
7914     disas_config "MOXIE"
7915   ;;
7916   nios2)
7917     disas_config "NIOS2"
7918   ;;
7919   or1k)
7920     disas_config "OPENRISC"
7921   ;;
7922   ppc*)
7923     disas_config "PPC"
7924   ;;
7925   riscv*)
7926     disas_config "RISCV"
7927   ;;
7928   s390*)
7929     disas_config "S390"
7930   ;;
7931   sh4)
7932     disas_config "SH4"
7933   ;;
7934   sparc*)
7935     disas_config "SPARC"
7936   ;;
7937   xtensa*)
7938     disas_config "XTENSA"
7939   ;;
7940   esac
7941 done
7942 if test "$tcg_interpreter" = "yes" ; then
7943   disas_config "TCI"
7944 fi
7945
7946 case "$ARCH" in
7947 alpha)
7948   # Ensure there's only a single GP
7949   cflags="-msmall-data $cflags"
7950 ;;
7951 esac
7952
7953 if test "$gprof" = "yes" ; then
7954   echo "TARGET_GPROF=y" >> $config_target_mak
7955   if test "$target_linux_user" = "yes" ; then
7956     cflags="-p $cflags"
7957     ldflags="-p $ldflags"
7958   fi
7959   if test "$target_softmmu" = "yes" ; then
7960     ldflags="-p $ldflags"
7961     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7962   fi
7963 fi
7964
7965 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7966   ldflags="$ldflags $textseg_ldflags"
7967 fi
7968
7969 # Newer kernels on s390 check for an S390_PGSTE program header and
7970 # enable the pgste page table extensions in that case. This makes
7971 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7972 # header if
7973 #  - we build on s390x
7974 #  - we build the system emulation for s390x (qemu-system-s390x)
7975 #  - KVM is enabled
7976 #  - the linker supports --s390-pgste
7977 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7978         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7979     if ld_has --s390-pgste ; then
7980         ldflags="-Wl,--s390-pgste $ldflags"
7981     fi
7982 fi
7983
7984 echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
7985 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7986
7987 done # for target in $targets
7988
7989 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
7990 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
7991
7992 if [ "$fdt" = "git" ]; then
7993   echo "config-host.h: dtc/all" >> $config_host_mak
7994 fi
7995 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7996   echo "config-host.h: capstone/all" >> $config_host_mak
7997 fi
7998 if test -n "$LIBCAPSTONE"; then
7999   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
8000 fi
8001
8002 if test "$numa" = "yes"; then
8003   echo "CONFIG_NUMA=y" >> $config_host_mak
8004 fi
8005
8006 if test "$ccache_cpp2" = "yes"; then
8007   echo "export CCACHE_CPP2=y" >> $config_host_mak
8008 fi
8009
8010 # If we're using a separate build tree, set it up now.
8011 # DIRS are directories which we simply mkdir in the build tree;
8012 # LINKS are things to symlink back into the source tree
8013 # (these can be both files and directories).
8014 # Caution: do not add files or directories here using wildcards. This
8015 # will result in problems later if a new file matching the wildcard is
8016 # added to the source tree -- nothing will cause configure to be rerun
8017 # so the build tree will be missing the link back to the new file, and
8018 # tests might fail. Prefer to keep the relevant files in their own
8019 # directory and symlink the directory instead.
8020 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
8021 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
8022 DIRS="$DIRS docs docs/interop fsdev scsi"
8023 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
8024 DIRS="$DIRS roms/seabios roms/vgabios"
8025 LINKS="Makefile"
8026 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
8027 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
8028 LINKS="$LINKS tests/plugin/Makefile"
8029 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
8030 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
8031 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
8032 LINKS="$LINKS pc-bios/qemu-icon.bmp"
8033 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
8034 LINKS="$LINKS tests/acceptance tests/data"
8035 LINKS="$LINKS tests/qemu-iotests/check"
8036 LINKS="$LINKS python"
8037 for bios_file in \
8038     $source_path/pc-bios/*.bin \
8039     $source_path/pc-bios/*.lid \
8040     $source_path/pc-bios/*.rom \
8041     $source_path/pc-bios/*.dtb \
8042     $source_path/pc-bios/*.img \
8043     $source_path/pc-bios/openbios-* \
8044     $source_path/pc-bios/u-boot.* \
8045     $source_path/pc-bios/edk2-*.fd.bz2 \
8046     $source_path/pc-bios/palcode-*
8047 do
8048     LINKS="$LINKS pc-bios/$(basename $bios_file)"
8049 done
8050 mkdir -p $DIRS
8051 for f in $LINKS ; do
8052     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8053         symlink "$source_path/$f" "$f"
8054     fi
8055 done
8056
8057 (for i in $cross_cc_vars; do
8058   export $i
8059 done
8060 export target_list source_path use_containers
8061 $source_path/tests/tcg/configure.sh)
8062
8063 # temporary config to build submodules
8064 for rom in seabios vgabios ; do
8065     config_mak=roms/$rom/config.mak
8066     echo "# Automatically generated by configure - do not modify" > $config_mak
8067     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8068     echo "AS=$as" >> $config_mak
8069     echo "CCAS=$ccas" >> $config_mak
8070     echo "CC=$cc" >> $config_mak
8071     echo "BCC=bcc" >> $config_mak
8072     echo "CPP=$cpp" >> $config_mak
8073     echo "OBJCOPY=objcopy" >> $config_mak
8074     echo "IASL=$iasl" >> $config_mak
8075     echo "LD=$ld" >> $config_mak
8076     echo "RANLIB=$ranlib" >> $config_mak
8077 done
8078
8079 # set up qemu-iotests in this build directory
8080 iotests_common_env="tests/qemu-iotests/common.env"
8081
8082 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8083 echo >> "$iotests_common_env"
8084 echo "export PYTHON='$python'" >> "$iotests_common_env"
8085
8086 # Save the configure command line for later reuse.
8087 cat <<EOD >config.status
8088 #!/bin/sh
8089 # Generated by configure.
8090 # Run this file to recreate the current configuration.
8091 # Compiler output produced by configure, useful for debugging
8092 # configure, is in config.log if it exists.
8093 EOD
8094
8095 preserve_env() {
8096     envname=$1
8097
8098     eval envval=\$$envname
8099
8100     if test -n "$envval"
8101     then
8102         echo "$envname='$envval'" >> config.status
8103         echo "export $envname" >> config.status
8104     else
8105         echo "unset $envname" >> config.status
8106     fi
8107 }
8108
8109 # Preserve various env variables that influence what
8110 # features/build target configure will detect
8111 preserve_env AR
8112 preserve_env AS
8113 preserve_env CC
8114 preserve_env CPP
8115 preserve_env CXX
8116 preserve_env INSTALL
8117 preserve_env LD
8118 preserve_env LD_LIBRARY_PATH
8119 preserve_env LIBTOOL
8120 preserve_env MAKE
8121 preserve_env NM
8122 preserve_env OBJCOPY
8123 preserve_env PATH
8124 preserve_env PKG_CONFIG
8125 preserve_env PKG_CONFIG_LIBDIR
8126 preserve_env PKG_CONFIG_PATH
8127 preserve_env PYTHON
8128 preserve_env SDL2_CONFIG
8129 preserve_env SMBD
8130 preserve_env STRIP
8131 preserve_env WINDRES
8132
8133 printf "exec" >>config.status
8134 printf " '%s'" "$0" "$@" >>config.status
8135 echo ' "$@"' >>config.status
8136 chmod +x config.status
8137
8138 rm -r "$TMPDIR1"