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