configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 print_error() {
  44     (echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo) >&2
  51 }
  52
  53 error_exit() {
  54     print_error "$@"
  55     exit 1
  56 }
  57
  58 do_compiler() {
  59     # Run the compiler, capturing its output to the log. First argument
  60     # is compiler binary to execute.
  61     local compiler="$1"
  62     shift
  63     if test -n "$BASH_VERSION"; then eval '
  64         echo >>config.log "
  65 funcs: ${FUNCNAME[*]}
  66 lines: ${BASH_LINENO[*]}"
  67     '; fi
  68     echo $compiler "$@" >> config.log
  69     $compiler "$@" >> config.log 2>&1 || return $?
  70     # Test passed. If this is an --enable-werror build, rerun
  71     # the test with -Werror and bail out if it fails. This
  72     # makes warning-generating-errors in configure test code
  73     # obvious to developers.
  74     if test "$werror" != "yes"; then
  75         return 0
  76     fi
  77     # Don't bother rerunning the compile if we were already using -Werror
  78     case "$*" in
  79         *-Werror*)
  80            return 0
  81         ;;
  82     esac
  83     echo $compiler -Werror "$@" >> config.log
  84     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  85     error_exit "configure test passed without -Werror but failed with -Werror." \
  86         "This is probably a bug in the configure script. The failing command" \
  87         "will be at the bottom of config.log." \
  88         "You can run configure with --disable-werror to bypass this check."
  89 }
  90
  91 do_cc() {
  92     do_compiler "$cc" "$@"
  93 }
  94
  95 do_cxx() {
  96     do_compiler "$cxx" "$@"
  97 }
  98
  99 update_cxxflags() {
 100     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 101     # options which some versions of GCC's C++ compiler complain about
 102     # because they only make sense for C programs.
 103     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS"
 104
 105     for arg in $QEMU_CFLAGS; do
 106         case $arg in
 107             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 108             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 109                 ;;
 110             -std=gnu99)
 111                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 112                 ;;
 113             *)
 114                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 115                 ;;
 116         esac
 117     done
 118 }
 119
 120 compile_object() {
 121   local_cflags="$1"
 122   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 123 }
 124
 125 compile_prog() {
 126   local_cflags="$1"
 127   local_ldflags="$2"
 128   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 129 }
 130
 131 # symbolically link $1 to $2.  Portable version of "ln -sf".
 132 symlink() {
 133   rm -rf "$2"
 134   mkdir -p "$(dirname "$2")"
 135   ln -s "$1" "$2"
 136 }
 137
 138 # check whether a command is available to this shell (may be either an
 139 # executable or a builtin)
 140 has() {
 141     type "$1" >/dev/null 2>&1
 142 }
 143
 144 # search for an executable in PATH
 145 path_of() {
 146     local_command="$1"
 147     local_ifs="$IFS"
 148     local_dir=""
 149
 150     # pathname has a dir component?
 151     if [ "${local_command#*/}" != "$local_command" ]; then
 152         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 153             echo "$local_command"
 154             return 0
 155         fi
 156     fi
 157     if [ -z "$local_command" ]; then
 158         return 1
 159     fi
 160
 161     IFS=:
 162     for local_dir in $PATH; do
 163         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 164             echo "$local_dir/$local_command"
 165             IFS="${local_ifs:-$(printf ' \t\n')}"
 166             return 0
 167         fi
 168     done
 169     # not found
 170     IFS="${local_ifs:-$(printf ' \t\n')}"
 171     return 1
 172 }
 173
 174 have_backend () {
 175     echo "$trace_backends" | grep "$1" >/dev/null
 176 }
 177
 178 glob() {
 179     eval test -z '"${1#'"$2"'}"'
 180 }
 181
 182 supported_hax_target() {
 183     test "$hax" = "yes" || return 1
 184     glob "$1" "*-softmmu" || return 1
 185     case "${1%-softmmu}" in
 186         i386|x86_64)
 187             return 0
 188         ;;
 189     esac
 190     return 1
 191 }
 192
 193 supported_kvm_target() {
 194     test "$kvm" = "yes" || return 1
 195     glob "$1" "*-softmmu" || return 1
 196     case "${1%-softmmu}:$cpu" in
 197         arm:arm | aarch64:aarch64 | \
 198         i386:i386 | i386:x86_64 | i386:x32 | \
 199         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 200         mips:mips | mipsel:mips | \
 201         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | \
 202         s390x:s390x)
 203             return 0
 204         ;;
 205     esac
 206     return 1
 207 }
 208
 209 supported_xen_target() {
 210     test "$xen" = "yes" || return 1
 211     glob "$1" "*-softmmu" || return 1
 212     # Only i386 and x86_64 provide the xenpv machine.
 213     case "${1%-softmmu}" in
 214         i386|x86_64)
 215             return 0
 216         ;;
 217     esac
 218     return 1
 219 }
 220
 221 supported_hvf_target() {
 222     test "$hvf" = "yes" || return 1
 223     glob "$1" "*-softmmu" || return 1
 224     case "${1%-softmmu}" in
 225         x86_64)
 226             return 0
 227         ;;
 228     esac
 229     return 1
 230 }
 231
 232 supported_whpx_target() {
 233     test "$whpx" = "yes" || return 1
 234     glob "$1" "*-softmmu" || return 1
 235     case "${1%-softmmu}" in
 236         i386|x86_64)
 237             return 0
 238         ;;
 239     esac
 240     return 1
 241 }
 242
 243 supported_target() {
 244     case "$1" in
 245         *-softmmu)
 246             ;;
 247         *-linux-user)
 248             if test "$linux" != "yes"; then
 249                 print_error "Target '$target' is only available on a Linux host"
 250                 return 1
 251             fi
 252             ;;
 253         *-bsd-user)
 254             if test "$bsd" != "yes"; then
 255                 print_error "Target '$target' is only available on a BSD host"
 256                 return 1
 257             fi
 258             ;;
 259         *)
 260             print_error "Invalid target name '$target'"
 261             return 1
 262             ;;
 263     esac
 264     test "$tcg" = "yes" && return 0
 265     supported_kvm_target "$1" && return 0
 266     supported_xen_target "$1" && return 0
 267     supported_hax_target "$1" && return 0
 268     supported_hvf_target "$1" && return 0
 269     supported_whpx_target "$1" && return 0
 270     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 271     return 1
 272 }
 273
 274
 275 ld_has() {
 276     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 277 }
 278
 279 # default parameters
 280 source_path=$(dirname "$0")
 281 cpu=""
 282 iasl="iasl"
 283 interp_prefix="/usr/gnemul/qemu-%M"
 284 static="no"
 285 cross_prefix=""
 286 audio_drv_list=""
 287 block_drv_rw_whitelist=""
 288 block_drv_ro_whitelist=""
 289 host_cc="cc"
 290 libs_softmmu=""
 291 libs_tools=""
 292 audio_pt_int=""
 293 audio_win_int=""
 294 libs_qga=""
 295 debug_info="yes"
 296 stack_protector=""
 297
 298 if test -e "$source_path/.git"
 299 then
 300     git_update=yes
 301     git_submodules="ui/keycodemapdb"
 302     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 303     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 304 else
 305     git_update=no
 306     git_submodules=""
 307
 308     if ! test -f "$source_path/ui/keycodemapdb/README"
 309     then
 310         echo
 311         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 312         echo
 313         echo "This is not a GIT checkout but module content appears to"
 314         echo "be missing. Do not use 'git archive' or GitHub download links"
 315         echo "to acquire QEMU source archives. Non-GIT builds are only"
 316         echo "supported with source archives linked from:"
 317         echo
 318         echo "  https://www.qemu.org/download/"
 319         echo
 320         echo "Developers working with GIT can use scripts/archive-source.sh"
 321         echo "if they need to create valid source archives."
 322         echo
 323         exit 1
 324     fi
 325 fi
 326 git="git"
 327
 328 # Don't accept a target_list environment variable.
 329 unset target_list
 330
 331 # Default value for a variable defining feature "foo".
 332 #  * foo="no"  feature will only be used if --enable-foo arg is given
 333 #  * foo=""    feature will be searched for, and if found, will be used
 334 #              unless --disable-foo is given
 335 #  * foo="yes" this value will only be set by --enable-foo flag.
 336 #              feature will searched for,
 337 #              if not found, configure exits with error
 338 #
 339 # Always add --enable-foo and --disable-foo command line args.
 340 # Distributions want to ensure that several features are compiled in, and it
 341 # is impossible without a --enable-foo that exits if a feature is not found.
 342
 343 bluez=""
 344 brlapi=""
 345 curl=""
 346 curses=""
 347 docs=""
 348 fdt=""
 349 netmap="no"
 350 sdl=""
 351 sdl_image=""
 352 virtfs=""
 353 mpath=""
 354 vnc="yes"
 355 sparse="no"
 356 vde=""
 357 vnc_sasl=""
 358 vnc_jpeg=""
 359 vnc_png=""
 360 xkbcommon=""
 361 xen=""
 362 xen_ctrl_version=""
 363 xen_pci_passthrough=""
 364 linux_aio=""
 365 cap_ng=""
 366 attr=""
 367 libattr=""
 368 xfs=""
 369 tcg="yes"
 370 membarrier=""
 371 vhost_net="no"
 372 vhost_crypto="no"
 373 vhost_scsi="no"
 374 vhost_vsock="no"
 375 vhost_user=""
 376 kvm="no"
 377 hax="no"
 378 hvf="no"
 379 whpx="no"
 380 rdma=""
 381 pvrdma=""
 382 gprof="no"
 383 debug_tcg="no"
 384 debug="no"
 385 sanitizers="no"
 386 fortify_source=""
 387 strip_opt="yes"
 388 tcg_interpreter="no"
 389 bigendian="no"
 390 mingw32="no"
 391 gcov="no"
 392 gcov_tool="gcov"
 393 EXESUF=""
 394 DSOSUF=".so"
 395 LDFLAGS_SHARED="-shared"
 396 modules="no"
 397 prefix="/usr/local"
 398 mandir="\${prefix}/share/man"
 399 datadir="\${prefix}/share"
 400 firmwarepath="\${prefix}/share/qemu-firmware"
 401 qemu_docdir="\${prefix}/share/doc/qemu"
 402 bindir="\${prefix}/bin"
 403 libdir="\${prefix}/lib"
 404 libexecdir="\${prefix}/libexec"
 405 includedir="\${prefix}/include"
 406 sysconfdir="\${prefix}/etc"
 407 local_statedir="\${prefix}/var"
 408 confsuffix="/qemu"
 409 slirp="yes"
 410 oss_lib=""
 411 bsd="no"
 412 linux="no"
 413 solaris="no"
 414 profiler="no"
 415 cocoa="no"
 416 softmmu="yes"
 417 linux_user="no"
 418 bsd_user="no"
 419 blobs="yes"
 420 pkgversion=""
 421 pie=""
 422 qom_cast_debug="yes"
 423 trace_backends="log"
 424 trace_file="trace"
 425 spice=""
 426 rbd=""
 427 smartcard=""
 428 libusb=""
 429 usb_redir=""
 430 opengl=""
 431 opengl_dmabuf="no"
 432 cpuid_h="no"
 433 avx2_opt=""
 434 zlib="yes"
 435 capstone=""
 436 lzo=""
 437 snappy=""
 438 bzip2=""
 439 lzfse=""
 440 guest_agent=""
 441 guest_agent_with_vss="no"
 442 guest_agent_ntddscsi="no"
 443 guest_agent_msi=""
 444 vss_win32_sdk=""
 445 win_sdk="no"
 446 want_tools="yes"
 447 libiscsi=""
 448 libnfs=""
 449 coroutine=""
 450 coroutine_pool=""
 451 debug_stack_usage="no"
 452 crypto_afalg="no"
 453 seccomp=""
 454 glusterfs=""
 455 glusterfs_xlator_opt="no"
 456 glusterfs_discard="no"
 457 glusterfs_fallocate="no"
 458 glusterfs_zerofill="no"
 459 gtk=""
 460 gtk_gl="no"
 461 tls_priority="NORMAL"
 462 gnutls=""
 463 nettle=""
 464 gcrypt=""
 465 gcrypt_hmac="no"
 466 vte=""
 467 virglrenderer=""
 468 tpm="yes"
 469 libssh2=""
 470 live_block_migration="yes"
 471 numa=""
 472 tcmalloc="no"
 473 jemalloc="no"
 474 replication="yes"
 475 vxhs=""
 476 bochs="yes"
 477 cloop="yes"
 478 dmg="yes"
 479 qcow1="yes"
 480 vdi="yes"
 481 vvfat="yes"
 482 qed="yes"
 483 parallels="yes"
 484 sheepdog="yes"
 485 libxml2=""
 486 docker="no"
 487 debug_mutex="no"
 488 libpmem=""
 489 libudev="no"
 490
 491 # cross compilers defaults, can be overridden with --cross-cc-ARCH
 492 cross_cc_aarch64="aarch64-linux-gnu-gcc"
 493 cross_cc_aarch64_be="$cross_cc_aarch64"
 494 cross_cc_cflags_aarch64_be="-mbig-endian"
 495 cross_cc_arm="arm-linux-gnueabihf-gcc"
 496 cross_cc_cflags_armeb="-mbig-endian"
 497 cross_cc_i386="i386-pc-linux-gnu-gcc"
 498 cross_cc_cflags_i386=""
 499 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 500 cross_cc_powerpc="powerpc-linux-gnu-gcc"
 501
 502 enabled_cross_compilers=""
 503
 504 supported_cpu="no"
 505 supported_os="no"
 506 bogus_os="no"
 507 malloc_trim=""
 508
 509 # parse CC options first
 510 for opt do
 511   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 512   case "$opt" in
 513   --cross-prefix=*) cross_prefix="$optarg"
 514   ;;
 515   --cc=*) CC="$optarg"
 516   ;;
 517   --cxx=*) CXX="$optarg"
 518   ;;
 519   --source-path=*) source_path="$optarg"
 520   ;;
 521   --cpu=*) cpu="$optarg"
 522   ;;
 523   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 524   ;;
 525   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 526   ;;
 527   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 528                      EXTRA_LDFLAGS="$optarg"
 529   ;;
 530   --enable-debug-info) debug_info="yes"
 531   ;;
 532   --disable-debug-info) debug_info="no"
 533   ;;
 534   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 535   ;;
 536   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 537                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 538   ;;
 539   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 540                 eval "cross_cc_${cc_arch}=\$optarg"
 541   ;;
 542   esac
 543 done
 544 # OS specific
 545 # Using uname is really, really broken.  Once we have the right set of checks
 546 # we can eliminate its usage altogether.
 547
 548 # Preferred compiler:
 549 #  ${CC} (if set)
 550 #  ${cross_prefix}gcc (if cross-prefix specified)
 551 #  system compiler
 552 if test -z "${CC}${cross_prefix}"; then
 553   cc="$host_cc"
 554 else
 555   cc="${CC-${cross_prefix}gcc}"
 556 fi
 557
 558 if test -z "${CXX}${cross_prefix}"; then
 559   cxx="c++"
 560 else
 561   cxx="${CXX-${cross_prefix}g++}"
 562 fi
 563
 564 ar="${AR-${cross_prefix}ar}"
 565 as="${AS-${cross_prefix}as}"
 566 ccas="${CCAS-$cc}"
 567 cpp="${CPP-$cc -E}"
 568 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 569 ld="${LD-${cross_prefix}ld}"
 570 ranlib="${RANLIB-${cross_prefix}ranlib}"
 571 nm="${NM-${cross_prefix}nm}"
 572 strip="${STRIP-${cross_prefix}strip}"
 573 windres="${WINDRES-${cross_prefix}windres}"
 574 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 575 query_pkg_config() {
 576     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 577 }
 578 pkg_config=query_pkg_config
 579 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 580
 581 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 582 ARFLAGS="${ARFLAGS-rv}"
 583
 584 # default flags for all hosts
 585 # We use -fwrapv to tell the compiler that we require a C dialect where
 586 # left shift of signed integers is well defined and has the expected
 587 # 2s-complement style results. (Both clang and gcc agree that it
 588 # provides these semantics.)
 589 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 590 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 591 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 592 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 593 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 594 if test "$debug_info" = "yes"; then
 595     CFLAGS="-g $CFLAGS"
 596     LDFLAGS="-g $LDFLAGS"
 597 fi
 598
 599 # make source path absolute
 600 source_path=$(cd "$source_path"; pwd)
 601
 602 # running configure in the source tree?
 603 # we know that's the case if configure is there.
 604 if test -f "./configure"; then
 605     pwd_is_source_path="y"
 606 else
 607     pwd_is_source_path="n"
 608 fi
 609
 610 check_define() {
 611 cat > $TMPC <<EOF
 612 #if !defined($1)
 613 #error $1 not defined
 614 #endif
 615 int main(void) { return 0; }
 616 EOF
 617   compile_object
 618 }
 619
 620 check_include() {
 621 cat > $TMPC <<EOF
 622 #include <$1>
 623 int main(void) { return 0; }
 624 EOF
 625   compile_object
 626 }
 627
 628 write_c_skeleton() {
 629     cat > $TMPC <<EOF
 630 int main(void) { return 0; }
 631 EOF
 632 }
 633
 634 if check_define __linux__ ; then
 635   targetos="Linux"
 636 elif check_define _WIN32 ; then
 637   targetos='MINGW32'
 638 elif check_define __OpenBSD__ ; then
 639   targetos='OpenBSD'
 640 elif check_define __sun__ ; then
 641   targetos='SunOS'
 642 elif check_define __HAIKU__ ; then
 643   targetos='Haiku'
 644 elif check_define __FreeBSD__ ; then
 645   targetos='FreeBSD'
 646 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 647   targetos='GNU/kFreeBSD'
 648 elif check_define __DragonFly__ ; then
 649   targetos='DragonFly'
 650 elif check_define __NetBSD__; then
 651   targetos='NetBSD'
 652 elif check_define __APPLE__; then
 653   targetos='Darwin'
 654 else
 655   # This is a fatal error, but don't report it yet, because we
 656   # might be going to just print the --help text, or it might
 657   # be the result of a missing compiler.
 658   targetos='bogus'
 659   bogus_os='yes'
 660 fi
 661
 662 # Some host OSes need non-standard checks for which CPU to use.
 663 # Note that these checks are broken for cross-compilation: if you're
 664 # cross-compiling to one of these OSes then you'll need to specify
 665 # the correct CPU with the --cpu option.
 666 case $targetos in
 667 Darwin)
 668   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 669   # run 64-bit userspace code.
 670   # If the user didn't specify a CPU explicitly and the kernel says this is
 671   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 672   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 673     cpu="x86_64"
 674   fi
 675   ;;
 676 SunOS)
 677   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 678   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 679     cpu="x86_64"
 680   fi
 681 esac
 682
 683 if test ! -z "$cpu" ; then
 684   # command line argument
 685   :
 686 elif check_define __i386__ ; then
 687   cpu="i386"
 688 elif check_define __x86_64__ ; then
 689   if check_define __ILP32__ ; then
 690     cpu="x32"
 691   else
 692     cpu="x86_64"
 693   fi
 694 elif check_define __sparc__ ; then
 695   if check_define __arch64__ ; then
 696     cpu="sparc64"
 697   else
 698     cpu="sparc"
 699   fi
 700 elif check_define _ARCH_PPC ; then
 701   if check_define _ARCH_PPC64 ; then
 702     cpu="ppc64"
 703   else
 704     cpu="ppc"
 705   fi
 706 elif check_define __mips__ ; then
 707   cpu="mips"
 708 elif check_define __s390__ ; then
 709   if check_define __s390x__ ; then
 710     cpu="s390x"
 711   else
 712     cpu="s390"
 713   fi
 714 elif check_define __riscv ; then
 715   if check_define _LP64 ; then
 716     cpu="riscv64"
 717   else
 718     cpu="riscv32"
 719   fi
 720 elif check_define __arm__ ; then
 721   cpu="arm"
 722 elif check_define __aarch64__ ; then
 723   cpu="aarch64"
 724 else
 725   cpu=$(uname -m)
 726 fi
 727
 728 ARCH=
 729 # Normalise host CPU name and set ARCH.
 730 # Note that this case should only have supported host CPUs, not guests.
 731 case "$cpu" in
 732   ppc|ppc64|s390|s390x|sparc64|x32|riscv32|riscv64)
 733     cpu="$cpu"
 734     supported_cpu="yes"
 735     eval "cross_cc_${cpu}=\$host_cc"
 736   ;;
 737   i386|i486|i586|i686|i86pc|BePC)
 738     cpu="i386"
 739     supported_cpu="yes"
 740     cross_cc_i386=$host_cc
 741   ;;
 742   x86_64|amd64)
 743     cpu="x86_64"
 744     supported_cpu="yes"
 745     cross_cc_x86_64=$host_cc
 746   ;;
 747   armv*b|armv*l|arm)
 748     cpu="arm"
 749     supported_cpu="yes"
 750     cross_cc_arm=$host_cc
 751   ;;
 752   aarch64)
 753     cpu="aarch64"
 754     supported_cpu="yes"
 755     cross_cc_aarch64=$host_cc
 756   ;;
 757   mips*)
 758     cpu="mips"
 759     supported_cpu="yes"
 760     cross_cc_mips=$host_cc
 761   ;;
 762   sparc|sun4[cdmuv])
 763     cpu="sparc"
 764     supported_cpu="yes"
 765     cross_cc_sparc=$host_cc
 766   ;;
 767   *)
 768     # This will result in either an error or falling back to TCI later
 769     ARCH=unknown
 770   ;;
 771 esac
 772 if test -z "$ARCH"; then
 773   ARCH="$cpu"
 774 fi
 775
 776 # OS specific
 777
 778 # host *BSD for user mode
 779 HOST_VARIANT_DIR=""
 780
 781 case $targetos in
 782 MINGW32*)
 783   mingw32="yes"
 784   hax="yes"
 785   audio_possible_drivers="dsound sdl"
 786   if check_include dsound.h; then
 787     audio_drv_list="dsound"
 788   else
 789     audio_drv_list=""
 790   fi
 791   supported_os="yes"
 792 ;;
 793 GNU/kFreeBSD)
 794   bsd="yes"
 795   audio_drv_list="oss try-sdl"
 796   audio_possible_drivers="oss sdl pa"
 797 ;;
 798 FreeBSD)
 799   bsd="yes"
 800   make="${MAKE-gmake}"
 801   audio_drv_list="oss try-sdl"
 802   audio_possible_drivers="oss sdl pa"
 803   # needed for kinfo_getvmmap(3) in libutil.h
 804   LIBS="-lutil $LIBS"
 805   # needed for kinfo_getproc
 806   libs_qga="-lutil $libs_qga"
 807   netmap=""  # enable netmap autodetect
 808   HOST_VARIANT_DIR="freebsd"
 809   supported_os="yes"
 810 ;;
 811 DragonFly)
 812   bsd="yes"
 813   make="${MAKE-gmake}"
 814   audio_drv_list="oss try-sdl"
 815   audio_possible_drivers="oss sdl pa"
 816   HOST_VARIANT_DIR="dragonfly"
 817 ;;
 818 NetBSD)
 819   bsd="yes"
 820   make="${MAKE-gmake}"
 821   audio_drv_list="oss try-sdl"
 822   audio_possible_drivers="oss sdl"
 823   oss_lib="-lossaudio"
 824   HOST_VARIANT_DIR="netbsd"
 825   supported_os="yes"
 826 ;;
 827 OpenBSD)
 828   bsd="yes"
 829   make="${MAKE-gmake}"
 830   audio_drv_list="try-sdl"
 831   audio_possible_drivers="sdl"
 832   HOST_VARIANT_DIR="openbsd"
 833   supported_os="yes"
 834 ;;
 835 Darwin)
 836   bsd="yes"
 837   darwin="yes"
 838   hax="yes"
 839   hvf="yes"
 840   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 841   if [ "$cpu" = "x86_64" ] ; then
 842     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 843     LDFLAGS="-arch x86_64 $LDFLAGS"
 844   fi
 845   cocoa="yes"
 846   audio_drv_list="coreaudio try-sdl"
 847   audio_possible_drivers="coreaudio sdl"
 848   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 849   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 850   # Disable attempts to use ObjectiveC features in os/object.h since they
 851   # won't work when we're compiling with gcc as a C compiler.
 852   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 853   HOST_VARIANT_DIR="darwin"
 854   supported_os="yes"
 855 ;;
 856 SunOS)
 857   solaris="yes"
 858   make="${MAKE-gmake}"
 859   install="${INSTALL-ginstall}"
 860   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 861   if test -f /usr/include/sys/soundcard.h ; then
 862     audio_drv_list="oss try-sdl"
 863   fi
 864   audio_possible_drivers="oss sdl"
 865 # needed for CMSG_ macros in sys/socket.h
 866   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 867 # needed for TIOCWIN* defines in termios.h
 868   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 869   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 870   solarisnetlibs="-lsocket -lnsl -lresolv"
 871   LIBS="$solarisnetlibs $LIBS"
 872   libs_qga="$solarisnetlibs $libs_qga"
 873 ;;
 874 Haiku)
 875   haiku="yes"
 876   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 877   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 878 ;;
 879 Linux)
 880   audio_drv_list="try-pa try-alsa try-sdl oss"
 881   audio_possible_drivers="oss alsa sdl pa"
 882   linux="yes"
 883   linux_user="yes"
 884   kvm="yes"
 885   vhost_net="yes"
 886   vhost_crypto="yes"
 887   vhost_scsi="yes"
 888   vhost_vsock="yes"
 889   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 890   supported_os="yes"
 891   libudev="yes"
 892 ;;
 893 esac
 894
 895 if [ "$bsd" = "yes" ] ; then
 896   if [ "$darwin" != "yes" ] ; then
 897     bsd_user="yes"
 898   fi
 899 fi
 900
 901 : ${make=${MAKE-make}}
 902 : ${install=${INSTALL-install}}
 903 : ${python=${PYTHON-python}}
 904 : ${smbd=${SMBD-/usr/sbin/smbd}}
 905
 906 # Default objcc to clang if available, otherwise use CC
 907 if has clang; then
 908   objcc=clang
 909 else
 910   objcc="$cc"
 911 fi
 912
 913 if test "$mingw32" = "yes" ; then
 914   EXESUF=".exe"
 915   DSOSUF=".dll"
 916   # MinGW needs -mthreads for TLS and macro _MT.
 917   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 918   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 919   write_c_skeleton;
 920   if compile_prog "" "-liberty" ; then
 921     LIBS="-liberty $LIBS"
 922   fi
 923   prefix="c:/Program Files/QEMU"
 924   mandir="\${prefix}"
 925   datadir="\${prefix}"
 926   qemu_docdir="\${prefix}"
 927   bindir="\${prefix}"
 928   sysconfdir="\${prefix}"
 929   local_statedir=
 930   confsuffix=""
 931   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 932 fi
 933
 934 werror=""
 935
 936 for opt do
 937   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 938   case "$opt" in
 939   --help|-h) show_help=yes
 940   ;;
 941   --version|-V) exec cat $source_path/VERSION
 942   ;;
 943   --prefix=*) prefix="$optarg"
 944   ;;
 945   --interp-prefix=*) interp_prefix="$optarg"
 946   ;;
 947   --source-path=*)
 948   ;;
 949   --cross-prefix=*)
 950   ;;
 951   --cc=*)
 952   ;;
 953   --host-cc=*) host_cc="$optarg"
 954   ;;
 955   --cxx=*)
 956   ;;
 957   --iasl=*) iasl="$optarg"
 958   ;;
 959   --objcc=*) objcc="$optarg"
 960   ;;
 961   --make=*) make="$optarg"
 962   ;;
 963   --install=*) install="$optarg"
 964   ;;
 965   --python=*) python="$optarg"
 966   ;;
 967   --gcov=*) gcov_tool="$optarg"
 968   ;;
 969   --smbd=*) smbd="$optarg"
 970   ;;
 971   --extra-cflags=*)
 972   ;;
 973   --extra-cxxflags=*)
 974   ;;
 975   --extra-ldflags=*)
 976   ;;
 977   --enable-debug-info)
 978   ;;
 979   --disable-debug-info)
 980   ;;
 981   --cross-cc-*)
 982   ;;
 983   --enable-modules)
 984       modules="yes"
 985   ;;
 986   --disable-modules)
 987       modules="no"
 988   ;;
 989   --cpu=*)
 990   ;;
 991   --target-list=*) target_list="$optarg"
 992   ;;
 993   --enable-trace-backends=*) trace_backends="$optarg"
 994   ;;
 995   # XXX: backwards compatibility
 996   --enable-trace-backend=*) trace_backends="$optarg"
 997   ;;
 998   --with-trace-file=*) trace_file="$optarg"
 999   ;;
1000   --enable-gprof) gprof="yes"
1001   ;;
1002   --enable-gcov) gcov="yes"
1003   ;;
1004   --static)
1005     static="yes"
1006     LDFLAGS="-static $LDFLAGS"
1007     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1008   ;;
1009   --mandir=*) mandir="$optarg"
1010   ;;
1011   --bindir=*) bindir="$optarg"
1012   ;;
1013   --libdir=*) libdir="$optarg"
1014   ;;
1015   --libexecdir=*) libexecdir="$optarg"
1016   ;;
1017   --includedir=*) includedir="$optarg"
1018   ;;
1019   --datadir=*) datadir="$optarg"
1020   ;;
1021   --with-confsuffix=*) confsuffix="$optarg"
1022   ;;
1023   --docdir=*) qemu_docdir="$optarg"
1024   ;;
1025   --sysconfdir=*) sysconfdir="$optarg"
1026   ;;
1027   --localstatedir=*) local_statedir="$optarg"
1028   ;;
1029   --firmwarepath=*) firmwarepath="$optarg"
1030   ;;
1031   --host=*|--build=*|\
1032   --disable-dependency-tracking|\
1033   --sbindir=*|--sharedstatedir=*|\
1034   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1035   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1036     # These switches are silently ignored, for compatibility with
1037     # autoconf-generated configure scripts. This allows QEMU's
1038     # configure to be used by RPM and similar macros that set
1039     # lots of directory switches by default.
1040   ;;
1041   --disable-sdl) sdl="no"
1042   ;;
1043   --enable-sdl) sdl="yes"
1044   ;;
1045   --disable-sdl-image) sdl_image="no"
1046   ;;
1047   --enable-sdl-image) sdl_image="yes"
1048   ;;
1049   --disable-qom-cast-debug) qom_cast_debug="no"
1050   ;;
1051   --enable-qom-cast-debug) qom_cast_debug="yes"
1052   ;;
1053   --disable-virtfs) virtfs="no"
1054   ;;
1055   --enable-virtfs) virtfs="yes"
1056   ;;
1057   --disable-mpath) mpath="no"
1058   ;;
1059   --enable-mpath) mpath="yes"
1060   ;;
1061   --disable-vnc) vnc="no"
1062   ;;
1063   --enable-vnc) vnc="yes"
1064   ;;
1065   --oss-lib=*) oss_lib="$optarg"
1066   ;;
1067   --audio-drv-list=*) audio_drv_list="$optarg"
1068   ;;
1069   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1070   ;;
1071   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1072   ;;
1073   --enable-debug-tcg) debug_tcg="yes"
1074   ;;
1075   --disable-debug-tcg) debug_tcg="no"
1076   ;;
1077   --enable-debug)
1078       # Enable debugging options that aren't excessively noisy
1079       debug_tcg="yes"
1080       debug_mutex="yes"
1081       debug="yes"
1082       strip_opt="no"
1083       fortify_source="no"
1084   ;;
1085   --enable-sanitizers) sanitizers="yes"
1086   ;;
1087   --disable-sanitizers) sanitizers="no"
1088   ;;
1089   --enable-sparse) sparse="yes"
1090   ;;
1091   --disable-sparse) sparse="no"
1092   ;;
1093   --disable-strip) strip_opt="no"
1094   ;;
1095   --disable-vnc-sasl) vnc_sasl="no"
1096   ;;
1097   --enable-vnc-sasl) vnc_sasl="yes"
1098   ;;
1099   --disable-vnc-jpeg) vnc_jpeg="no"
1100   ;;
1101   --enable-vnc-jpeg) vnc_jpeg="yes"
1102   ;;
1103   --disable-vnc-png) vnc_png="no"
1104   ;;
1105   --enable-vnc-png) vnc_png="yes"
1106   ;;
1107   --disable-slirp) slirp="no"
1108   ;;
1109   --disable-vde) vde="no"
1110   ;;
1111   --enable-vde) vde="yes"
1112   ;;
1113   --disable-netmap) netmap="no"
1114   ;;
1115   --enable-netmap) netmap="yes"
1116   ;;
1117   --disable-xen) xen="no"
1118   ;;
1119   --enable-xen) xen="yes"
1120   ;;
1121   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1122   ;;
1123   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1124   ;;
1125   --disable-brlapi) brlapi="no"
1126   ;;
1127   --enable-brlapi) brlapi="yes"
1128   ;;
1129   --disable-bluez) bluez="no"
1130   ;;
1131   --enable-bluez) bluez="yes"
1132   ;;
1133   --disable-kvm) kvm="no"
1134   ;;
1135   --enable-kvm) kvm="yes"
1136   ;;
1137   --disable-hax) hax="no"
1138   ;;
1139   --enable-hax) hax="yes"
1140   ;;
1141   --disable-hvf) hvf="no"
1142   ;;
1143   --enable-hvf) hvf="yes"
1144   ;;
1145   --disable-whpx) whpx="no"
1146   ;;
1147   --enable-whpx) whpx="yes"
1148   ;;
1149   --disable-tcg-interpreter) tcg_interpreter="no"
1150   ;;
1151   --enable-tcg-interpreter) tcg_interpreter="yes"
1152   ;;
1153   --disable-cap-ng)  cap_ng="no"
1154   ;;
1155   --enable-cap-ng) cap_ng="yes"
1156   ;;
1157   --disable-tcg) tcg="no"
1158   ;;
1159   --enable-tcg) tcg="yes"
1160   ;;
1161   --disable-malloc-trim) malloc_trim="no"
1162   ;;
1163   --enable-malloc-trim) malloc_trim="yes"
1164   ;;
1165   --disable-spice) spice="no"
1166   ;;
1167   --enable-spice) spice="yes"
1168   ;;
1169   --disable-libiscsi) libiscsi="no"
1170   ;;
1171   --enable-libiscsi) libiscsi="yes"
1172   ;;
1173   --disable-libnfs) libnfs="no"
1174   ;;
1175   --enable-libnfs) libnfs="yes"
1176   ;;
1177   --enable-profiler) profiler="yes"
1178   ;;
1179   --disable-cocoa) cocoa="no"
1180   ;;
1181   --enable-cocoa)
1182       cocoa="yes" ;
1183       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1184   ;;
1185   --disable-system) softmmu="no"
1186   ;;
1187   --enable-system) softmmu="yes"
1188   ;;
1189   --disable-user)
1190       linux_user="no" ;
1191       bsd_user="no" ;
1192   ;;
1193   --enable-user) ;;
1194   --disable-linux-user) linux_user="no"
1195   ;;
1196   --enable-linux-user) linux_user="yes"
1197   ;;
1198   --disable-bsd-user) bsd_user="no"
1199   ;;
1200   --enable-bsd-user) bsd_user="yes"
1201   ;;
1202   --enable-pie) pie="yes"
1203   ;;
1204   --disable-pie) pie="no"
1205   ;;
1206   --enable-werror) werror="yes"
1207   ;;
1208   --disable-werror) werror="no"
1209   ;;
1210   --enable-stack-protector) stack_protector="yes"
1211   ;;
1212   --disable-stack-protector) stack_protector="no"
1213   ;;
1214   --disable-curses) curses="no"
1215   ;;
1216   --enable-curses) curses="yes"
1217   ;;
1218   --disable-curl) curl="no"
1219   ;;
1220   --enable-curl) curl="yes"
1221   ;;
1222   --disable-fdt) fdt="no"
1223   ;;
1224   --enable-fdt) fdt="yes"
1225   ;;
1226   --disable-linux-aio) linux_aio="no"
1227   ;;
1228   --enable-linux-aio) linux_aio="yes"
1229   ;;
1230   --disable-attr) attr="no"
1231   ;;
1232   --enable-attr) attr="yes"
1233   ;;
1234   --disable-membarrier) membarrier="no"
1235   ;;
1236   --enable-membarrier) membarrier="yes"
1237   ;;
1238   --disable-blobs) blobs="no"
1239   ;;
1240   --with-pkgversion=*) pkgversion="$optarg"
1241   ;;
1242   --with-coroutine=*) coroutine="$optarg"
1243   ;;
1244   --disable-coroutine-pool) coroutine_pool="no"
1245   ;;
1246   --enable-coroutine-pool) coroutine_pool="yes"
1247   ;;
1248   --enable-debug-stack-usage) debug_stack_usage="yes"
1249   ;;
1250   --enable-crypto-afalg) crypto_afalg="yes"
1251   ;;
1252   --disable-crypto-afalg) crypto_afalg="no"
1253   ;;
1254   --disable-docs) docs="no"
1255   ;;
1256   --enable-docs) docs="yes"
1257   ;;
1258   --disable-vhost-net) vhost_net="no"
1259   ;;
1260   --enable-vhost-net) vhost_net="yes"
1261   ;;
1262   --disable-vhost-crypto) vhost_crypto="no"
1263   ;;
1264   --enable-vhost-crypto)
1265       vhost_crypto="yes"
1266       if test "$mingw32" = "yes"; then
1267           error_exit "vhost-crypto isn't available on win32"
1268       fi
1269   ;;
1270   --disable-vhost-scsi) vhost_scsi="no"
1271   ;;
1272   --enable-vhost-scsi) vhost_scsi="yes"
1273   ;;
1274   --disable-vhost-vsock) vhost_vsock="no"
1275   ;;
1276   --enable-vhost-vsock) vhost_vsock="yes"
1277   ;;
1278   --disable-opengl) opengl="no"
1279   ;;
1280   --enable-opengl) opengl="yes"
1281   ;;
1282   --disable-rbd) rbd="no"
1283   ;;
1284   --enable-rbd) rbd="yes"
1285   ;;
1286   --disable-xfsctl) xfs="no"
1287   ;;
1288   --enable-xfsctl) xfs="yes"
1289   ;;
1290   --disable-smartcard) smartcard="no"
1291   ;;
1292   --enable-smartcard) smartcard="yes"
1293   ;;
1294   --disable-libusb) libusb="no"
1295   ;;
1296   --enable-libusb) libusb="yes"
1297   ;;
1298   --disable-usb-redir) usb_redir="no"
1299   ;;
1300   --enable-usb-redir) usb_redir="yes"
1301   ;;
1302   --disable-zlib-test) zlib="no"
1303   ;;
1304   --disable-lzo) lzo="no"
1305   ;;
1306   --enable-lzo) lzo="yes"
1307   ;;
1308   --disable-snappy) snappy="no"
1309   ;;
1310   --enable-snappy) snappy="yes"
1311   ;;
1312   --disable-bzip2) bzip2="no"
1313   ;;
1314   --enable-bzip2) bzip2="yes"
1315   ;;
1316   --enable-lzfse) lzfse="yes"
1317   ;;
1318   --disable-lzfse) lzfse="no"
1319   ;;
1320   --enable-guest-agent) guest_agent="yes"
1321   ;;
1322   --disable-guest-agent) guest_agent="no"
1323   ;;
1324   --enable-guest-agent-msi) guest_agent_msi="yes"
1325   ;;
1326   --disable-guest-agent-msi) guest_agent_msi="no"
1327   ;;
1328   --with-vss-sdk) vss_win32_sdk=""
1329   ;;
1330   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1331   ;;
1332   --without-vss-sdk) vss_win32_sdk="no"
1333   ;;
1334   --with-win-sdk) win_sdk=""
1335   ;;
1336   --with-win-sdk=*) win_sdk="$optarg"
1337   ;;
1338   --without-win-sdk) win_sdk="no"
1339   ;;
1340   --enable-tools) want_tools="yes"
1341   ;;
1342   --disable-tools) want_tools="no"
1343   ;;
1344   --enable-seccomp) seccomp="yes"
1345   ;;
1346   --disable-seccomp) seccomp="no"
1347   ;;
1348   --disable-glusterfs) glusterfs="no"
1349   ;;
1350   --disable-avx2) avx2_opt="no"
1351   ;;
1352   --enable-avx2) avx2_opt="yes"
1353   ;;
1354   --enable-glusterfs) glusterfs="yes"
1355   ;;
1356   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1357       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1358   ;;
1359   --enable-vhdx|--disable-vhdx)
1360       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1361   ;;
1362   --enable-uuid|--disable-uuid)
1363       echo "$0: $opt is obsolete, UUID support is always built" >&2
1364   ;;
1365   --disable-gtk) gtk="no"
1366   ;;
1367   --enable-gtk) gtk="yes"
1368   ;;
1369   --tls-priority=*) tls_priority="$optarg"
1370   ;;
1371   --disable-gnutls) gnutls="no"
1372   ;;
1373   --enable-gnutls) gnutls="yes"
1374   ;;
1375   --disable-nettle) nettle="no"
1376   ;;
1377   --enable-nettle) nettle="yes"
1378   ;;
1379   --disable-gcrypt) gcrypt="no"
1380   ;;
1381   --enable-gcrypt) gcrypt="yes"
1382   ;;
1383   --enable-rdma) rdma="yes"
1384   ;;
1385   --disable-rdma) rdma="no"
1386   ;;
1387   --enable-pvrdma) pvrdma="yes"
1388   ;;
1389   --disable-pvrdma) pvrdma="no"
1390   ;;
1391   --disable-vte) vte="no"
1392   ;;
1393   --enable-vte) vte="yes"
1394   ;;
1395   --disable-virglrenderer) virglrenderer="no"
1396   ;;
1397   --enable-virglrenderer) virglrenderer="yes"
1398   ;;
1399   --disable-tpm) tpm="no"
1400   ;;
1401   --enable-tpm) tpm="yes"
1402   ;;
1403   --disable-libssh2) libssh2="no"
1404   ;;
1405   --enable-libssh2) libssh2="yes"
1406   ;;
1407   --disable-live-block-migration) live_block_migration="no"
1408   ;;
1409   --enable-live-block-migration) live_block_migration="yes"
1410   ;;
1411   --disable-numa) numa="no"
1412   ;;
1413   --enable-numa) numa="yes"
1414   ;;
1415   --disable-libxml2) libxml2="no"
1416   ;;
1417   --enable-libxml2) libxml2="yes"
1418   ;;
1419   --disable-tcmalloc) tcmalloc="no"
1420   ;;
1421   --enable-tcmalloc) tcmalloc="yes"
1422   ;;
1423   --disable-jemalloc) jemalloc="no"
1424   ;;
1425   --enable-jemalloc) jemalloc="yes"
1426   ;;
1427   --disable-replication) replication="no"
1428   ;;
1429   --enable-replication) replication="yes"
1430   ;;
1431   --disable-vxhs) vxhs="no"
1432   ;;
1433   --enable-vxhs) vxhs="yes"
1434   ;;
1435   --disable-bochs) bochs="no"
1436   ;;
1437   --enable-bochs) bochs="yes"
1438   ;;
1439   --disable-cloop) cloop="no"
1440   ;;
1441   --enable-cloop) cloop="yes"
1442   ;;
1443   --disable-dmg) dmg="no"
1444   ;;
1445   --enable-dmg) dmg="yes"
1446   ;;
1447   --disable-qcow1) qcow1="no"
1448   ;;
1449   --enable-qcow1) qcow1="yes"
1450   ;;
1451   --disable-vdi) vdi="no"
1452   ;;
1453   --enable-vdi) vdi="yes"
1454   ;;
1455   --disable-vvfat) vvfat="no"
1456   ;;
1457   --enable-vvfat) vvfat="yes"
1458   ;;
1459   --disable-qed) qed="no"
1460   ;;
1461   --enable-qed) qed="yes"
1462   ;;
1463   --disable-parallels) parallels="no"
1464   ;;
1465   --enable-parallels) parallels="yes"
1466   ;;
1467   --disable-sheepdog) sheepdog="no"
1468   ;;
1469   --enable-sheepdog) sheepdog="yes"
1470   ;;
1471   --disable-vhost-user) vhost_user="no"
1472   ;;
1473   --enable-vhost-user)
1474       vhost_user="yes"
1475       if test "$mingw32" = "yes"; then
1476           error_exit "vhost-user isn't available on win32"
1477       fi
1478   ;;
1479   --disable-capstone) capstone="no"
1480   ;;
1481   --enable-capstone) capstone="yes"
1482   ;;
1483   --enable-capstone=git) capstone="git"
1484   ;;
1485   --enable-capstone=system) capstone="system"
1486   ;;
1487   --with-git=*) git="$optarg"
1488   ;;
1489   --enable-git-update) git_update=yes
1490   ;;
1491   --disable-git-update) git_update=no
1492   ;;
1493   --enable-debug-mutex) debug_mutex=yes
1494   ;;
1495   --disable-debug-mutex) debug_mutex=no
1496   ;;
1497   --enable-libpmem) libpmem=yes
1498   ;;
1499   --disable-libpmem) libpmem=no
1500   ;;
1501   *)
1502       echo "ERROR: unknown option $opt"
1503       echo "Try '$0 --help' for more information"
1504       exit 1
1505   ;;
1506   esac
1507 done
1508
1509 if test "$vhost_user" = ""; then
1510     if test "$mingw32" = "yes"; then
1511         vhost_user="no"
1512     else
1513         vhost_user="yes"
1514     fi
1515 fi
1516
1517 case "$cpu" in
1518     ppc)
1519            CPU_CFLAGS="-m32"
1520            LDFLAGS="-m32 $LDFLAGS"
1521            cross_cc_powerpc=$cc
1522            cross_cc_cflags_powerpc=$CPU_CFLAGS
1523            ;;
1524     ppc64)
1525            CPU_CFLAGS="-m64"
1526            LDFLAGS="-m64 $LDFLAGS"
1527            cross_cc_ppc64=$cc
1528            cross_cc_cflags_ppc64=$CPU_CFLAGS
1529            ;;
1530     sparc)
1531            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1532            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1533            cross_cc_sparc=$cc
1534            cross_cc_cflags_sparc=$CPU_CFLAGS
1535            ;;
1536     sparc64)
1537            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1538            LDFLAGS="-m64 $LDFLAGS"
1539            cross_cc_sparc64=$cc
1540            cross_cc_cflags_sparc64=$CPU_CFLAGS
1541            ;;
1542     s390)
1543            CPU_CFLAGS="-m31"
1544            LDFLAGS="-m31 $LDFLAGS"
1545            cross_cc_s390=$cc
1546            cross_cc_cflags_s390=$CPU_CFLAGS
1547            ;;
1548     s390x)
1549            CPU_CFLAGS="-m64"
1550            LDFLAGS="-m64 $LDFLAGS"
1551            cross_cc_s390x=$cc
1552            cross_cc_cflags_s390x=$CPU_CFLAGS
1553            ;;
1554     i386)
1555            CPU_CFLAGS="-m32"
1556            LDFLAGS="-m32 $LDFLAGS"
1557            cross_cc_i386=$cc
1558            cross_cc_cflags_i386=$CPU_CFLAGS
1559            ;;
1560     x86_64)
1561            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1562            # If we truly care, we should simply detect this case at
1563            # runtime and generate the fallback to serial emulation.
1564            CPU_CFLAGS="-m64 -mcx16"
1565            LDFLAGS="-m64 $LDFLAGS"
1566            cross_cc_x86_64=$cc
1567            cross_cc_cflags_x86_64=$CPU_CFLAGS
1568            ;;
1569     x32)
1570            CPU_CFLAGS="-mx32"
1571            LDFLAGS="-mx32 $LDFLAGS"
1572            cross_cc_i386=$cc
1573            cross_cc_cflags_i386=$CPU_CFLAGS
1574            ;;
1575     # No special flags required for other host CPUs
1576 esac
1577
1578 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1579
1580 # For user-mode emulation the host arch has to be one we explicitly
1581 # support, even if we're using TCI.
1582 if [ "$ARCH" = "unknown" ]; then
1583   bsd_user="no"
1584   linux_user="no"
1585 fi
1586
1587 default_target_list=""
1588
1589 mak_wilds=""
1590
1591 if [ "$softmmu" = "yes" ]; then
1592     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1593 fi
1594 if [ "$linux_user" = "yes" ]; then
1595     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1596 fi
1597 if [ "$bsd_user" = "yes" ]; then
1598     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1599 fi
1600
1601 for config in $mak_wilds; do
1602     default_target_list="${default_target_list} $(basename "$config" .mak)"
1603 done
1604
1605 # Enumerate public trace backends for --help output
1606 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1607
1608 if test x"$show_help" = x"yes" ; then
1609 cat << EOF
1610
1611 Usage: configure [options]
1612 Options: [defaults in brackets after descriptions]
1613
1614 Standard options:
1615   --help                   print this message
1616   --prefix=PREFIX          install in PREFIX [$prefix]
1617   --interp-prefix=PREFIX   where to find shared libraries, etc.
1618                            use %M for cpu name [$interp_prefix]
1619   --target-list=LIST       set target list (default: build everything)
1620 $(echo Available targets: $default_target_list | \
1621   fold -s -w 53 | sed -e 's/^/                           /')
1622
1623 Advanced options (experts only):
1624   --source-path=PATH       path of source code [$source_path]
1625   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1626   --cc=CC                  use C compiler CC [$cc]
1627   --iasl=IASL              use ACPI compiler IASL [$iasl]
1628   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1629                            build time
1630   --cxx=CXX                use C++ compiler CXX [$cxx]
1631   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1632   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1633   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1634   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1635   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1636   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1637   --make=MAKE              use specified make [$make]
1638   --install=INSTALL        use specified install [$install]
1639   --python=PYTHON          use specified python [$python]
1640   --smbd=SMBD              use specified smbd [$smbd]
1641   --with-git=GIT           use specified git [$git]
1642   --static                 enable static build [$static]
1643   --mandir=PATH            install man pages in PATH
1644   --datadir=PATH           install firmware in PATH$confsuffix
1645   --docdir=PATH            install documentation in PATH$confsuffix
1646   --bindir=PATH            install binaries in PATH
1647   --libdir=PATH            install libraries in PATH
1648   --libexecdir=PATH        install helper binaries in PATH
1649   --sysconfdir=PATH        install config in PATH$confsuffix
1650   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1651   --firmwarepath=PATH      search PATH for firmware files
1652   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1653   --with-pkgversion=VERS   use specified string as sub-version of the package
1654   --enable-debug           enable common debug build options
1655   --enable-sanitizers      enable default sanitizers
1656   --disable-strip          disable stripping binaries
1657   --disable-werror         disable compilation abort on warning
1658   --disable-stack-protector disable compiler-provided stack protection
1659   --audio-drv-list=LIST    set audio drivers list:
1660                            Available drivers: $audio_possible_drivers
1661   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1662   --block-drv-rw-whitelist=L
1663                            set block driver read-write whitelist
1664                            (affects only QEMU, not qemu-img)
1665   --block-drv-ro-whitelist=L
1666                            set block driver read-only whitelist
1667                            (affects only QEMU, not qemu-img)
1668   --enable-trace-backends=B Set trace backend
1669                            Available backends: $trace_backend_list
1670   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1671                            Default:trace-<pid>
1672   --disable-slirp          disable SLIRP userspace network connectivity
1673   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1674   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1675   --oss-lib                path to OSS library
1676   --cpu=CPU                Build for host CPU [$cpu]
1677   --with-coroutine=BACKEND coroutine backend. Supported options:
1678                            ucontext, sigaltstack, windows
1679   --enable-gcov            enable test coverage analysis with gcov
1680   --gcov=GCOV              use specified gcov [$gcov_tool]
1681   --disable-blobs          disable installing provided firmware blobs
1682   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1683   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1684   --tls-priority           default TLS protocol/cipher priority string
1685   --enable-gprof           QEMU profiling with gprof
1686   --enable-profiler        profiler support
1687   --enable-debug-stack-usage
1688                            track the maximum stack usage of stacks created by qemu_alloc_stack
1689
1690 Optional features, enabled with --enable-FEATURE and
1691 disabled with --disable-FEATURE, default is enabled if available:
1692
1693   system          all system emulation targets
1694   user            supported user emulation targets
1695   linux-user      all linux usermode emulation targets
1696   bsd-user        all BSD usermode emulation targets
1697   docs            build documentation
1698   guest-agent     build the QEMU Guest Agent
1699   guest-agent-msi build guest agent Windows MSI installation package
1700   pie             Position Independent Executables
1701   modules         modules support
1702   debug-tcg       TCG debugging (default is disabled)
1703   debug-info      debugging information
1704   sparse          sparse checker
1705
1706   gnutls          GNUTLS cryptography support
1707   nettle          nettle cryptography support
1708   gcrypt          libgcrypt cryptography support
1709   sdl             SDL UI
1710   sdl_image       SDL Image support for icons
1711   gtk             gtk UI
1712   vte             vte support for the gtk UI
1713   curses          curses UI
1714   vnc             VNC UI support
1715   vnc-sasl        SASL encryption for VNC server
1716   vnc-jpeg        JPEG lossy compression for VNC server
1717   vnc-png         PNG compression for VNC server
1718   cocoa           Cocoa UI (Mac OS X only)
1719   virtfs          VirtFS
1720   mpath           Multipath persistent reservation passthrough
1721   xen             xen backend driver support
1722   xen-pci-passthrough    PCI passthrough support for Xen
1723   brlapi          BrlAPI (Braile)
1724   curl            curl connectivity
1725   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1726   fdt             fdt device tree
1727   bluez           bluez stack connectivity
1728   kvm             KVM acceleration support
1729   hax             HAX acceleration support
1730   hvf             Hypervisor.framework acceleration support
1731   whpx            Windows Hypervisor Platform acceleration support
1732   rdma            Enable RDMA-based migration
1733   pvrdma          Enable PVRDMA support
1734   vde             support for vde network
1735   netmap          support for netmap network
1736   linux-aio       Linux AIO support
1737   cap-ng          libcap-ng support
1738   attr            attr and xattr support
1739   vhost-net       vhost-net acceleration support
1740   vhost-crypto    vhost-crypto acceleration support
1741   spice           spice
1742   rbd             rados block device (rbd)
1743   libiscsi        iscsi support
1744   libnfs          nfs support
1745   smartcard       smartcard support (libcacard)
1746   libusb          libusb (for usb passthrough)
1747   live-block-migration   Block migration in the main migration stream
1748   usb-redir       usb network redirection support
1749   lzo             support of lzo compression library
1750   snappy          support of snappy compression library
1751   bzip2           support of bzip2 compression library
1752                   (for reading bzip2-compressed dmg images)
1753   lzfse           support of lzfse compression library
1754                   (for reading lzfse-compressed dmg images)
1755   seccomp         seccomp support
1756   coroutine-pool  coroutine freelist (better performance)
1757   glusterfs       GlusterFS backend
1758   tpm             TPM support
1759   libssh2         ssh block device support
1760   numa            libnuma support
1761   libxml2         for Parallels image format
1762   tcmalloc        tcmalloc support
1763   jemalloc        jemalloc support
1764   avx2            AVX2 optimization support
1765   replication     replication support
1766   vhost-vsock     virtio sockets device support
1767   opengl          opengl support
1768   virglrenderer   virgl rendering support
1769   xfsctl          xfsctl support
1770   qom-cast-debug  cast debugging support
1771   tools           build qemu-io, qemu-nbd and qemu-image tools
1772   vxhs            Veritas HyperScale vDisk backend support
1773   bochs           bochs image format support
1774   cloop           cloop image format support
1775   dmg             dmg image format support
1776   qcow1           qcow v1 image format support
1777   vdi             vdi image format support
1778   vvfat           vvfat image format support
1779   qed             qed image format support
1780   parallels       parallels image format support
1781   sheepdog        sheepdog block driver support
1782   crypto-afalg    Linux AF_ALG crypto backend driver
1783   vhost-user      vhost-user support
1784   capstone        capstone disassembler support
1785   debug-mutex     mutex debugging support
1786   libpmem         libpmem support
1787
1788 NOTE: The object files are built at the place where configure is launched
1789 EOF
1790 exit 0
1791 fi
1792
1793 if ! has $python; then
1794   error_exit "Python not found. Use --python=/path/to/python"
1795 fi
1796
1797 # Note that if the Python conditional here evaluates True we will exit
1798 # with status 1 which is a shell 'false' value.
1799 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,7))'; then
1800   error_exit "Cannot use '$python', Python 2 >= 2.7 or Python 3 is required." \
1801       "Use --python=/path/to/python to specify a supported Python."
1802 fi
1803
1804 # Preserve python version since some functionality is dependent on it
1805 python_version=$($python -V 2>&1 | sed -e 's/Python\ //')
1806
1807 # Suppress writing compiled files
1808 python="$python -B"
1809
1810 # Check that the C compiler works. Doing this here before testing
1811 # the host CPU ensures that we had a valid CC to autodetect the
1812 # $cpu var (and we should bail right here if that's not the case).
1813 # It also allows the help message to be printed without a CC.
1814 write_c_skeleton;
1815 if compile_object ; then
1816   : C compiler works ok
1817 else
1818     error_exit "\"$cc\" either does not exist or does not work"
1819 fi
1820 if ! compile_prog ; then
1821     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1822 fi
1823
1824 # Now we have handled --enable-tcg-interpreter and know we're not just
1825 # printing the help message, bail out if the host CPU isn't supported.
1826 if test "$ARCH" = "unknown"; then
1827     if test "$tcg_interpreter" = "yes" ; then
1828         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1829     else
1830         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1831     fi
1832 fi
1833
1834 # Consult white-list to determine whether to enable werror
1835 # by default.  Only enable by default for git builds
1836 if test -z "$werror" ; then
1837     if test -d "$source_path/.git" && \
1838         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1839         werror="yes"
1840     else
1841         werror="no"
1842     fi
1843 fi
1844
1845 if test "$bogus_os" = "yes"; then
1846     # Now that we know that we're not printing the help and that
1847     # the compiler works (so the results of the check_defines we used
1848     # to identify the OS are reliable), if we didn't recognize the
1849     # host OS we should stop now.
1850     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1851 fi
1852
1853 # Check whether the compiler matches our minimum requirements:
1854 cat > $TMPC << EOF
1855 #if defined(__clang_major__) && defined(__clang_minor__)
1856 # ifdef __apple_build_version__
1857 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1858 #   error You need at least XCode Clang v5.1 to compile QEMU
1859 #  endif
1860 # else
1861 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1862 #   error You need at least Clang v3.4 to compile QEMU
1863 #  endif
1864 # endif
1865 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1866 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1867 #  error You need at least GCC v4.8 to compile QEMU
1868 # endif
1869 #else
1870 # error You either need GCC or Clang to compiler QEMU
1871 #endif
1872 int main (void) { return 0; }
1873 EOF
1874 if ! compile_prog "" "" ; then
1875     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1876 fi
1877
1878 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1879 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1880 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1881 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1882 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1883 gcc_flags="-Wno-string-plus-int $gcc_flags"
1884 gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
1885 # Note that we do not add -Werror to gcc_flags here, because that would
1886 # enable it for all configure tests. If a configure test failed due
1887 # to -Werror this would just silently disable some features,
1888 # so it's too error prone.
1889
1890 cc_has_warning_flag() {
1891     write_c_skeleton;
1892
1893     # Use the positive sense of the flag when testing for -Wno-wombat
1894     # support (gcc will happily accept the -Wno- form of unknown
1895     # warning options).
1896     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1897     compile_prog "-Werror $optflag" ""
1898 }
1899
1900 for flag in $gcc_flags; do
1901     if cc_has_warning_flag $flag ; then
1902         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1903     fi
1904 done
1905
1906 if test "$stack_protector" != "no"; then
1907   cat > $TMPC << EOF
1908 int main(int argc, char *argv[])
1909 {
1910     char arr[64], *p = arr, *c = argv[0];
1911     while (*c) {
1912         *p++ = *c++;
1913     }
1914     return 0;
1915 }
1916 EOF
1917   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1918   sp_on=0
1919   for flag in $gcc_flags; do
1920     # We need to check both a compile and a link, since some compiler
1921     # setups fail only on a .c->.o compile and some only at link time
1922     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1923        compile_prog "-Werror $flag" ""; then
1924       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1925       sp_on=1
1926       break
1927     fi
1928   done
1929   if test "$stack_protector" = yes; then
1930     if test $sp_on = 0; then
1931       error_exit "Stack protector not supported"
1932     fi
1933   fi
1934 fi
1935
1936 # Disable -Wmissing-braces on older compilers that warn even for
1937 # the "universal" C zero initializer {0}.
1938 cat > $TMPC << EOF
1939 struct {
1940   int a[2];
1941 } x = {0};
1942 EOF
1943 if compile_object "-Werror" "" ; then
1944   :
1945 else
1946   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1947 fi
1948
1949 # Static linking is not possible with modules or PIE
1950 if test "$static" = "yes" ; then
1951   if test "$modules" = "yes" ; then
1952     error_exit "static and modules are mutually incompatible"
1953   fi
1954   if test "$pie" = "yes" ; then
1955     error_exit "static and pie are mutually incompatible"
1956   else
1957     pie="no"
1958   fi
1959 fi
1960
1961 # Unconditional check for compiler __thread support
1962   cat > $TMPC << EOF
1963 static __thread int tls_var;
1964 int main(void) { return tls_var; }
1965 EOF
1966
1967 if ! compile_prog "-Werror" "" ; then
1968     error_exit "Your compiler does not support the __thread specifier for " \
1969         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1970 fi
1971
1972 if test "$pie" = ""; then
1973   case "$cpu-$targetos" in
1974     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1975       ;;
1976     *)
1977       pie="no"
1978       ;;
1979   esac
1980 fi
1981
1982 if test "$pie" != "no" ; then
1983   cat > $TMPC << EOF
1984
1985 #ifdef __linux__
1986 #  define THREAD __thread
1987 #else
1988 #  define THREAD
1989 #endif
1990
1991 static THREAD int tls_var;
1992
1993 int main(void) { return tls_var; }
1994
1995 EOF
1996   if compile_prog "-fPIE -DPIE" "-pie"; then
1997     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1998     LDFLAGS="-pie $LDFLAGS"
1999     pie="yes"
2000     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2001       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2002     fi
2003   else
2004     if test "$pie" = "yes"; then
2005       error_exit "PIE not available due to missing toolchain support"
2006     else
2007       echo "Disabling PIE due to missing toolchain support"
2008       pie="no"
2009     fi
2010   fi
2011
2012   if compile_prog "-Werror -fno-pie" "-nopie"; then
2013     CFLAGS_NOPIE="-fno-pie"
2014     LDFLAGS_NOPIE="-nopie"
2015   fi
2016 fi
2017
2018 ##########################################
2019 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2020 # use i686 as default anyway, but for those that don't, an explicit
2021 # specification is necessary
2022
2023 if test "$cpu" = "i386"; then
2024   cat > $TMPC << EOF
2025 static int sfaa(int *ptr)
2026 {
2027   return __sync_fetch_and_and(ptr, 0);
2028 }
2029
2030 int main(void)
2031 {
2032   int val = 42;
2033   val = __sync_val_compare_and_swap(&val, 0, 1);
2034   sfaa(&val);
2035   return val;
2036 }
2037 EOF
2038   if ! compile_prog "" "" ; then
2039     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2040   fi
2041 fi
2042
2043 #########################################
2044 # Solaris specific configure tool chain decisions
2045
2046 if test "$solaris" = "yes" ; then
2047   if has $install; then
2048     :
2049   else
2050     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2051         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2052         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2053   fi
2054   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2055     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2056         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2057         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2058   fi
2059   if has ar; then
2060     :
2061   else
2062     if test -f /usr/ccs/bin/ar ; then
2063       error_exit "No path includes ar" \
2064           "Add /usr/ccs/bin to your path and rerun configure"
2065     fi
2066     error_exit "No path includes ar"
2067   fi
2068 fi
2069
2070 if test -z "${target_list+xxx}" ; then
2071     for target in $default_target_list; do
2072         supported_target $target 2>/dev/null && \
2073             target_list="$target_list $target"
2074     done
2075     target_list="${target_list# }"
2076 else
2077     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2078     for target in $target_list; do
2079         # Check that we recognised the target name; this allows a more
2080         # friendly error message than if we let it fall through.
2081         case " $default_target_list " in
2082             *" $target "*)
2083                 ;;
2084             *)
2085                 error_exit "Unknown target name '$target'"
2086                 ;;
2087         esac
2088         supported_target $target || exit 1
2089     done
2090 fi
2091
2092 # see if system emulation was really requested
2093 case " $target_list " in
2094   *"-softmmu "*) softmmu=yes
2095   ;;
2096   *) softmmu=no
2097   ;;
2098 esac
2099
2100 feature_not_found() {
2101   feature=$1
2102   remedy=$2
2103
2104   error_exit "User requested feature $feature" \
2105       "configure was not able to find it." \
2106       "$remedy"
2107 }
2108
2109 # ---
2110 # big/little endian test
2111 cat > $TMPC << EOF
2112 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2113 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2114 extern int foo(short *, short *);
2115 int main(int argc, char *argv[]) {
2116     return foo(big_endian, little_endian);
2117 }
2118 EOF
2119
2120 if compile_object ; then
2121     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2122         bigendian="yes"
2123     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2124         bigendian="no"
2125     else
2126         echo big/little test failed
2127     fi
2128 else
2129     echo big/little test failed
2130 fi
2131
2132 ##########################################
2133 # cocoa implies not SDL or GTK
2134 # (the cocoa UI code currently assumes it is always the active UI
2135 # and doesn't interact well with other UI frontend code)
2136 if test "$cocoa" = "yes"; then
2137     if test "$sdl" = "yes"; then
2138         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2139     fi
2140     if test "$gtk" = "yes"; then
2141         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2142     fi
2143     gtk=no
2144     sdl=no
2145 fi
2146
2147 # Some versions of Mac OS X incorrectly define SIZE_MAX
2148 cat > $TMPC << EOF
2149 #include <stdint.h>
2150 #include <stdio.h>
2151 int main(int argc, char *argv[]) {
2152     return printf("%zu", SIZE_MAX);
2153 }
2154 EOF
2155 have_broken_size_max=no
2156 if ! compile_object -Werror ; then
2157     have_broken_size_max=yes
2158 fi
2159
2160 ##########################################
2161 # L2TPV3 probe
2162
2163 cat > $TMPC <<EOF
2164 #include <sys/socket.h>
2165 #include <linux/ip.h>
2166 int main(void) { return sizeof(struct mmsghdr); }
2167 EOF
2168 if compile_prog "" "" ; then
2169   l2tpv3=yes
2170 else
2171   l2tpv3=no
2172 fi
2173
2174 ##########################################
2175 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2176
2177 if test "$mingw32" = "yes"; then
2178     # Some versions of MinGW / Mingw-w64 lack localtime_r
2179     # and gmtime_r entirely.
2180     #
2181     # Some versions of Mingw-w64 define a macro for
2182     # localtime_r/gmtime_r.
2183     #
2184     # Some versions of Mingw-w64 will define functions
2185     # for localtime_r/gmtime_r, but only if you have
2186     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2187     # though, unistd.h and pthread.h both define
2188     # that for you.
2189     #
2190     # So this #undef localtime_r and #include <unistd.h>
2191     # are not in fact redundant.
2192 cat > $TMPC << EOF
2193 #include <unistd.h>
2194 #include <time.h>
2195 #undef localtime_r
2196 int main(void) { localtime_r(NULL, NULL); return 0; }
2197 EOF
2198     if compile_prog "" "" ; then
2199         localtime_r="yes"
2200     else
2201         localtime_r="no"
2202     fi
2203 fi
2204
2205 ##########################################
2206 # pkg-config probe
2207
2208 if ! has "$pkg_config_exe"; then
2209   error_exit "pkg-config binary '$pkg_config_exe' not found"
2210 fi
2211
2212 ##########################################
2213 # NPTL probe
2214
2215 if test "$linux_user" = "yes"; then
2216   cat > $TMPC <<EOF
2217 #include <sched.h>
2218 #include <linux/futex.h>
2219 int main(void) {
2220 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2221 #error bork
2222 #endif
2223   return 0;
2224 }
2225 EOF
2226   if ! compile_object ; then
2227     feature_not_found "nptl" "Install glibc and linux kernel headers."
2228   fi
2229 fi
2230
2231 ##########################################
2232 # lzo check
2233
2234 if test "$lzo" != "no" ; then
2235     cat > $TMPC << EOF
2236 #include <lzo/lzo1x.h>
2237 int main(void) { lzo_version(); return 0; }
2238 EOF
2239     if compile_prog "" "-llzo2" ; then
2240         libs_softmmu="$libs_softmmu -llzo2"
2241         lzo="yes"
2242     else
2243         if test "$lzo" = "yes"; then
2244             feature_not_found "liblzo2" "Install liblzo2 devel"
2245         fi
2246         lzo="no"
2247     fi
2248 fi
2249
2250 ##########################################
2251 # snappy check
2252
2253 if test "$snappy" != "no" ; then
2254     cat > $TMPC << EOF
2255 #include <snappy-c.h>
2256 int main(void) { snappy_max_compressed_length(4096); return 0; }
2257 EOF
2258     if compile_prog "" "-lsnappy" ; then
2259         libs_softmmu="$libs_softmmu -lsnappy"
2260         snappy="yes"
2261     else
2262         if test "$snappy" = "yes"; then
2263             feature_not_found "libsnappy" "Install libsnappy devel"
2264         fi
2265         snappy="no"
2266     fi
2267 fi
2268
2269 ##########################################
2270 # bzip2 check
2271
2272 if test "$bzip2" != "no" ; then
2273     cat > $TMPC << EOF
2274 #include <bzlib.h>
2275 int main(void) { BZ2_bzlibVersion(); return 0; }
2276 EOF
2277     if compile_prog "" "-lbz2" ; then
2278         bzip2="yes"
2279     else
2280         if test "$bzip2" = "yes"; then
2281             feature_not_found "libbzip2" "Install libbzip2 devel"
2282         fi
2283         bzip2="no"
2284     fi
2285 fi
2286
2287 ##########################################
2288 # lzfse check
2289
2290 if test "$lzfse" != "no" ; then
2291     cat > $TMPC << EOF
2292 #include <lzfse.h>
2293 int main(void) { lzfse_decode_scratch_size(); return 0; }
2294 EOF
2295     if compile_prog "" "-llzfse" ; then
2296         lzfse="yes"
2297     else
2298         if test "$lzfse" = "yes"; then
2299             feature_not_found "lzfse" "Install lzfse devel"
2300         fi
2301         lzfse="no"
2302     fi
2303 fi
2304
2305 ##########################################
2306 # libseccomp check
2307
2308 libseccomp_minver="2.2.0"
2309 if test "$seccomp" != "no" ; then
2310     case "$cpu" in
2311     i386|x86_64|mips)
2312         ;;
2313     arm|aarch64)
2314         libseccomp_minver="2.2.3"
2315         ;;
2316     ppc|ppc64|s390x)
2317         libseccomp_minver="2.3.0"
2318         ;;
2319     *)
2320         libseccomp_minver=""
2321         ;;
2322     esac
2323
2324     if test "$libseccomp_minver" != "" &&
2325        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2326         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2327         seccomp_libs="$($pkg_config --libs libseccomp)"
2328         seccomp="yes"
2329     else
2330         if test "$seccomp" = "yes" ; then
2331             if test "$libseccomp_minver" != "" ; then
2332                 feature_not_found "libseccomp" \
2333                     "Install libseccomp devel >= $libseccomp_minver"
2334             else
2335                 feature_not_found "libseccomp" \
2336                     "libseccomp is not supported for host cpu $cpu"
2337             fi
2338         fi
2339         seccomp="no"
2340     fi
2341 fi
2342 ##########################################
2343 # xen probe
2344
2345 if test "$xen" != "no" ; then
2346   # Check whether Xen library path is specified via --extra-ldflags to avoid
2347   # overriding this setting with pkg-config output. If not, try pkg-config
2348   # to obtain all needed flags.
2349
2350   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2351      $pkg_config --exists xencontrol ; then
2352     xen_ctrl_version="$(printf '%d%02d%02d' \
2353       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2354     xen=yes
2355     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2356     xen_pc="$xen_pc xenevtchn xendevicemodel"
2357     if $pkg_config --exists xentoolcore; then
2358       xen_pc="$xen_pc xentoolcore"
2359     fi
2360     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2361     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2362   else
2363
2364     xen_libs="-lxenstore -lxenctrl -lxenguest"
2365     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2366
2367     # First we test whether Xen headers and libraries are available.
2368     # If no, we are done and there is no Xen support.
2369     # If yes, more tests are run to detect the Xen version.
2370
2371     # Xen (any)
2372     cat > $TMPC <<EOF
2373 #include <xenctrl.h>
2374 int main(void) {
2375   return 0;
2376 }
2377 EOF
2378     if ! compile_prog "" "$xen_libs" ; then
2379       # Xen not found
2380       if test "$xen" = "yes" ; then
2381         feature_not_found "xen" "Install xen devel"
2382       fi
2383       xen=no
2384
2385     # Xen unstable
2386     elif
2387         cat > $TMPC <<EOF &&
2388 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2389 #define __XEN_TOOLS__
2390 #include <xendevicemodel.h>
2391 #include <xenforeignmemory.h>
2392 int main(void) {
2393   xendevicemodel_handle *xd;
2394   xenforeignmemory_handle *xfmem;
2395
2396   xd = xendevicemodel_open(0, 0);
2397   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2398
2399   xfmem = xenforeignmemory_open(0, 0);
2400   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2401
2402   return 0;
2403 }
2404 EOF
2405         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2406       then
2407       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2408       xen_ctrl_version=41100
2409       xen=yes
2410     elif
2411         cat > $TMPC <<EOF &&
2412 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2413 #include <xenforeignmemory.h>
2414 #include <xentoolcore.h>
2415 int main(void) {
2416   xenforeignmemory_handle *xfmem;
2417
2418   xfmem = xenforeignmemory_open(0, 0);
2419   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2420   xentoolcore_restrict_all(0);
2421
2422   return 0;
2423 }
2424 EOF
2425         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2426       then
2427       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2428       xen_ctrl_version=41000
2429       xen=yes
2430     elif
2431         cat > $TMPC <<EOF &&
2432 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2433 #define __XEN_TOOLS__
2434 #include <xendevicemodel.h>
2435 int main(void) {
2436   xendevicemodel_handle *xd;
2437
2438   xd = xendevicemodel_open(0, 0);
2439   xendevicemodel_close(xd);
2440
2441   return 0;
2442 }
2443 EOF
2444         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2445       then
2446       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2447       xen_ctrl_version=40900
2448       xen=yes
2449     elif
2450         cat > $TMPC <<EOF &&
2451 /*
2452  * If we have stable libs the we don't want the libxc compat
2453  * layers, regardless of what CFLAGS we may have been given.
2454  *
2455  * Also, check if xengnttab_grant_copy_segment_t is defined and
2456  * grant copy operation is implemented.
2457  */
2458 #undef XC_WANT_COMPAT_EVTCHN_API
2459 #undef XC_WANT_COMPAT_GNTTAB_API
2460 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2461 #include <xenctrl.h>
2462 #include <xenstore.h>
2463 #include <xenevtchn.h>
2464 #include <xengnttab.h>
2465 #include <xenforeignmemory.h>
2466 #include <stdint.h>
2467 #include <xen/hvm/hvm_info_table.h>
2468 #if !defined(HVM_MAX_VCPUS)
2469 # error HVM_MAX_VCPUS not defined
2470 #endif
2471 int main(void) {
2472   xc_interface *xc = NULL;
2473   xenforeignmemory_handle *xfmem;
2474   xenevtchn_handle *xe;
2475   xengnttab_handle *xg;
2476   xengnttab_grant_copy_segment_t* seg = NULL;
2477
2478   xs_daemon_open();
2479
2480   xc = xc_interface_open(0, 0, 0);
2481   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2482   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2483   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2484   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2485
2486   xfmem = xenforeignmemory_open(0, 0);
2487   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2488
2489   xe = xenevtchn_open(0, 0);
2490   xenevtchn_fd(xe);
2491
2492   xg = xengnttab_open(0, 0);
2493   xengnttab_grant_copy(xg, 0, seg);
2494
2495   return 0;
2496 }
2497 EOF
2498         compile_prog "" "$xen_libs $xen_stable_libs"
2499       then
2500       xen_ctrl_version=40800
2501       xen=yes
2502     elif
2503         cat > $TMPC <<EOF &&
2504 /*
2505  * If we have stable libs the we don't want the libxc compat
2506  * layers, regardless of what CFLAGS we may have been given.
2507  */
2508 #undef XC_WANT_COMPAT_EVTCHN_API
2509 #undef XC_WANT_COMPAT_GNTTAB_API
2510 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2511 #include <xenctrl.h>
2512 #include <xenstore.h>
2513 #include <xenevtchn.h>
2514 #include <xengnttab.h>
2515 #include <xenforeignmemory.h>
2516 #include <stdint.h>
2517 #include <xen/hvm/hvm_info_table.h>
2518 #if !defined(HVM_MAX_VCPUS)
2519 # error HVM_MAX_VCPUS not defined
2520 #endif
2521 int main(void) {
2522   xc_interface *xc = NULL;
2523   xenforeignmemory_handle *xfmem;
2524   xenevtchn_handle *xe;
2525   xengnttab_handle *xg;
2526
2527   xs_daemon_open();
2528
2529   xc = xc_interface_open(0, 0, 0);
2530   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2531   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2532   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2533   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2534
2535   xfmem = xenforeignmemory_open(0, 0);
2536   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2537
2538   xe = xenevtchn_open(0, 0);
2539   xenevtchn_fd(xe);
2540
2541   xg = xengnttab_open(0, 0);
2542   xengnttab_map_grant_ref(xg, 0, 0, 0);
2543
2544   return 0;
2545 }
2546 EOF
2547         compile_prog "" "$xen_libs $xen_stable_libs"
2548       then
2549       xen_ctrl_version=40701
2550       xen=yes
2551
2552     # Xen 4.6
2553     elif
2554         cat > $TMPC <<EOF &&
2555 #include <xenctrl.h>
2556 #include <xenstore.h>
2557 #include <stdint.h>
2558 #include <xen/hvm/hvm_info_table.h>
2559 #if !defined(HVM_MAX_VCPUS)
2560 # error HVM_MAX_VCPUS not defined
2561 #endif
2562 int main(void) {
2563   xc_interface *xc;
2564   xs_daemon_open();
2565   xc = xc_interface_open(0, 0, 0);
2566   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2567   xc_gnttab_open(NULL, 0);
2568   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2569   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2570   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2571   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2572   return 0;
2573 }
2574 EOF
2575         compile_prog "" "$xen_libs"
2576       then
2577       xen_ctrl_version=40600
2578       xen=yes
2579
2580     # Xen 4.5
2581     elif
2582         cat > $TMPC <<EOF &&
2583 #include <xenctrl.h>
2584 #include <xenstore.h>
2585 #include <stdint.h>
2586 #include <xen/hvm/hvm_info_table.h>
2587 #if !defined(HVM_MAX_VCPUS)
2588 # error HVM_MAX_VCPUS not defined
2589 #endif
2590 int main(void) {
2591   xc_interface *xc;
2592   xs_daemon_open();
2593   xc = xc_interface_open(0, 0, 0);
2594   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2595   xc_gnttab_open(NULL, 0);
2596   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2597   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2598   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2599   return 0;
2600 }
2601 EOF
2602         compile_prog "" "$xen_libs"
2603       then
2604       xen_ctrl_version=40500
2605       xen=yes
2606
2607     elif
2608         cat > $TMPC <<EOF &&
2609 #include <xenctrl.h>
2610 #include <xenstore.h>
2611 #include <stdint.h>
2612 #include <xen/hvm/hvm_info_table.h>
2613 #if !defined(HVM_MAX_VCPUS)
2614 # error HVM_MAX_VCPUS not defined
2615 #endif
2616 int main(void) {
2617   xc_interface *xc;
2618   xs_daemon_open();
2619   xc = xc_interface_open(0, 0, 0);
2620   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2621   xc_gnttab_open(NULL, 0);
2622   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2623   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2624   return 0;
2625 }
2626 EOF
2627         compile_prog "" "$xen_libs"
2628       then
2629       xen_ctrl_version=40200
2630       xen=yes
2631
2632     else
2633       if test "$xen" = "yes" ; then
2634         feature_not_found "xen (unsupported version)" \
2635                           "Install a supported xen (xen 4.2 or newer)"
2636       fi
2637       xen=no
2638     fi
2639
2640     if test "$xen" = yes; then
2641       if test $xen_ctrl_version -ge 40701  ; then
2642         libs_softmmu="$xen_stable_libs $libs_softmmu"
2643       fi
2644       libs_softmmu="$xen_libs $libs_softmmu"
2645     fi
2646   fi
2647 fi
2648
2649 if test "$xen_pci_passthrough" != "no"; then
2650   if test "$xen" = "yes" && test "$linux" = "yes"; then
2651     xen_pci_passthrough=yes
2652   else
2653     if test "$xen_pci_passthrough" = "yes"; then
2654       error_exit "User requested feature Xen PCI Passthrough" \
2655           " but this feature requires /sys from Linux"
2656     fi
2657     xen_pci_passthrough=no
2658   fi
2659 fi
2660
2661 ##########################################
2662 # Windows Hypervisor Platform accelerator (WHPX) check
2663 if test "$whpx" != "no" ; then
2664     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2665         whpx="yes"
2666     else
2667         if test "$whpx" = "yes"; then
2668             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2669         fi
2670         whpx="no"
2671     fi
2672 fi
2673
2674 ##########################################
2675 # Sparse probe
2676 if test "$sparse" != "no" ; then
2677   if has cgcc; then
2678     sparse=yes
2679   else
2680     if test "$sparse" = "yes" ; then
2681       feature_not_found "sparse" "Install sparse binary"
2682     fi
2683     sparse=no
2684   fi
2685 fi
2686
2687 ##########################################
2688 # X11 probe
2689 if $pkg_config --exists "x11"; then
2690     have_x11=yes
2691     x11_cflags=$($pkg_config --cflags x11)
2692     x11_libs=$($pkg_config --libs x11)
2693 fi
2694
2695 ##########################################
2696 # GTK probe
2697
2698 if test "$gtk" != "no"; then
2699     gtkpackage="gtk+-3.0"
2700     gtkx11package="gtk+-x11-3.0"
2701     gtkversion="3.14.0"
2702     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2703         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2704         gtk_libs=$($pkg_config --libs $gtkpackage)
2705         gtk_version=$($pkg_config --modversion $gtkpackage)
2706         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2707             need_x11=yes
2708             gtk_cflags="$gtk_cflags $x11_cflags"
2709             gtk_libs="$gtk_libs $x11_libs"
2710         fi
2711         gtk="yes"
2712     elif test "$gtk" = "yes"; then
2713         feature_not_found "gtk" "Install gtk3-devel"
2714     else
2715         gtk="no"
2716     fi
2717 fi
2718
2719
2720 ##########################################
2721 # GNUTLS probe
2722
2723 if test "$gnutls" != "no"; then
2724     if $pkg_config --exists "gnutls >= 3.1.18"; then
2725         gnutls_cflags=$($pkg_config --cflags gnutls)
2726         gnutls_libs=$($pkg_config --libs gnutls)
2727         libs_softmmu="$gnutls_libs $libs_softmmu"
2728         libs_tools="$gnutls_libs $libs_tools"
2729         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2730         gnutls="yes"
2731     elif test "$gnutls" = "yes"; then
2732         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2733     else
2734         gnutls="no"
2735     fi
2736 fi
2737
2738
2739 # If user didn't give a --disable/enable-gcrypt flag,
2740 # then mark as disabled if user requested nettle
2741 # explicitly
2742 if test -z "$gcrypt"
2743 then
2744     if test "$nettle" = "yes"
2745     then
2746         gcrypt="no"
2747     fi
2748 fi
2749
2750 # If user didn't give a --disable/enable-nettle flag,
2751 # then mark as disabled if user requested gcrypt
2752 # explicitly
2753 if test -z "$nettle"
2754 then
2755     if test "$gcrypt" = "yes"
2756     then
2757         nettle="no"
2758     fi
2759 fi
2760
2761 has_libgcrypt() {
2762     if ! has "libgcrypt-config"
2763     then
2764         return 1
2765     fi
2766
2767     if test -n "$cross_prefix"
2768     then
2769         host=$(libgcrypt-config --host)
2770         if test "$host-" != $cross_prefix
2771         then
2772             return 1
2773         fi
2774     fi
2775
2776     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2777     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2778
2779     if test $maj != 1 || test $min -lt 5
2780     then
2781        return 1
2782     fi
2783
2784     return 0
2785 }
2786
2787
2788 if test "$nettle" != "no"; then
2789     if $pkg_config --exists "nettle >= 2.7.1"; then
2790         nettle_cflags=$($pkg_config --cflags nettle)
2791         nettle_libs=$($pkg_config --libs nettle)
2792         nettle_version=$($pkg_config --modversion nettle)
2793         libs_softmmu="$nettle_libs $libs_softmmu"
2794         libs_tools="$nettle_libs $libs_tools"
2795         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2796         nettle="yes"
2797
2798         if test -z "$gcrypt"; then
2799            gcrypt="no"
2800         fi
2801     else
2802         if test "$nettle" = "yes"; then
2803             feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2804         else
2805             nettle="no"
2806         fi
2807     fi
2808 fi
2809
2810 if test "$gcrypt" != "no"; then
2811     if has_libgcrypt; then
2812         gcrypt_cflags=$(libgcrypt-config --cflags)
2813         gcrypt_libs=$(libgcrypt-config --libs)
2814         # Debian has remove -lgpg-error from libgcrypt-config
2815         # as it "spreads unnecessary dependencies" which in
2816         # turn breaks static builds...
2817         if test "$static" = "yes"
2818         then
2819             gcrypt_libs="$gcrypt_libs -lgpg-error"
2820         fi
2821         libs_softmmu="$gcrypt_libs $libs_softmmu"
2822         libs_tools="$gcrypt_libs $libs_tools"
2823         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2824         gcrypt="yes"
2825
2826         cat > $TMPC << EOF
2827 #include <gcrypt.h>
2828 int main(void) {
2829   gcry_mac_hd_t handle;
2830   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2831                 GCRY_MAC_FLAG_SECURE, NULL);
2832   return 0;
2833 }
2834 EOF
2835         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2836             gcrypt_hmac=yes
2837         fi
2838     else
2839         if test "$gcrypt" = "yes"; then
2840             feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2841         else
2842             gcrypt="no"
2843         fi
2844     fi
2845 fi
2846
2847
2848 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2849 then
2850     error_exit "Only one of gcrypt & nettle can be enabled"
2851 fi
2852
2853 ##########################################
2854 # libtasn1 - only for the TLS creds/session test suite
2855
2856 tasn1=yes
2857 tasn1_cflags=""
2858 tasn1_libs=""
2859 if $pkg_config --exists "libtasn1"; then
2860     tasn1_cflags=$($pkg_config --cflags libtasn1)
2861     tasn1_libs=$($pkg_config --libs libtasn1)
2862 else
2863     tasn1=no
2864 fi
2865
2866
2867 ##########################################
2868 # getifaddrs (for tests/test-io-channel-socket )
2869
2870 have_ifaddrs_h=yes
2871 if ! check_include "ifaddrs.h" ; then
2872   have_ifaddrs_h=no
2873 fi
2874
2875 ##########################################
2876 # VTE probe
2877
2878 if test "$vte" != "no"; then
2879     vteminversion="0.32.0"
2880     if $pkg_config --exists "vte-2.91"; then
2881       vtepackage="vte-2.91"
2882     else
2883       vtepackage="vte-2.90"
2884     fi
2885     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2886         vte_cflags=$($pkg_config --cflags $vtepackage)
2887         vte_libs=$($pkg_config --libs $vtepackage)
2888         vteversion=$($pkg_config --modversion $vtepackage)
2889         vte="yes"
2890     elif test "$vte" = "yes"; then
2891         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2892     else
2893         vte="no"
2894     fi
2895 fi
2896
2897 ##########################################
2898 # SDL probe
2899
2900 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2901 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2902
2903 sdl_probe ()
2904 {
2905   if $pkg_config sdl2 --exists; then
2906     sdlconfig="$pkg_config sdl2"
2907     sdlversion=$($sdlconfig --modversion 2>/dev/null)
2908   elif has ${sdl_config}; then
2909     sdlconfig="$sdl2_config"
2910     sdlversion=$($sdlconfig --version)
2911   else
2912     if test "$sdl" = "yes" ; then
2913       feature_not_found "sdl" "Install SDL2-devel"
2914     fi
2915     sdl=no
2916     # no need to do the rest
2917     return
2918   fi
2919   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2920     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2921   fi
2922
2923   cat > $TMPC << EOF
2924 #include <SDL.h>
2925 #undef main /* We don't want SDL to override our main() */
2926 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2927 EOF
2928   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2929   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
2930   if test "$static" = "yes" ; then
2931     if $pkg_config sdl2 --exists; then
2932       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
2933     else
2934       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2935     fi
2936   else
2937     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2938   fi
2939   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2940     sdl=yes
2941
2942     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2943     if test "$sdl" = "yes" && test "$static" = "yes" ; then
2944       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2945          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2946          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2947       fi
2948       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2949         :
2950       else
2951         sdl=no
2952       fi
2953     fi # static link
2954   else # sdl not found
2955     if test "$sdl" = "yes" ; then
2956       feature_not_found "sdl" "Install SDL2 devel"
2957     fi
2958     sdl=no
2959   fi # sdl compile test
2960 }
2961
2962 sdl_image_probe ()
2963 {
2964     if test "$sdl_image" != "no" ; then
2965         if $pkg_config SDL2_image --exists; then
2966             if test "$static" = "yes"; then
2967                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
2968             else
2969                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
2970             fi
2971             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
2972             sdl_image=yes
2973
2974             sdl_cflags="$sdl_cflags $sdl_image_cflags"
2975             sdl_libs="$sdl_libs $sdl_image_libs"
2976         else
2977             if test "$sdl_image" = "yes" ; then
2978                 feature_not_found "sdl_image" "Install SDL Image devel"
2979             else
2980                 sdl_image=no
2981             fi
2982         fi
2983     fi
2984 }
2985
2986 if test "$sdl" != "no" ; then
2987   sdl_probe
2988 fi
2989
2990 if test "$sdl" = "yes" ; then
2991   sdl_image_probe
2992 else
2993   if test "$sdl_image" = "yes"; then
2994     echo "warning: SDL Image requested, but SDL is not available, disabling"
2995   fi
2996   sdl_image=no
2997 fi
2998
2999 if test "$sdl" = "yes" ; then
3000   cat > $TMPC <<EOF
3001 #include <SDL.h>
3002 #if defined(SDL_VIDEO_DRIVER_X11)
3003 #include <X11/XKBlib.h>
3004 #else
3005 #error No x11 support
3006 #endif
3007 int main(void) { return 0; }
3008 EOF
3009   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3010     need_x11=yes
3011     sdl_cflags="$sdl_cflags $x11_cflags"
3012     sdl_libs="$sdl_libs $x11_libs"
3013   fi
3014 fi
3015
3016 ##########################################
3017 # RDMA needs OpenFabrics libraries
3018 if test "$rdma" != "no" ; then
3019   cat > $TMPC <<EOF
3020 #include <rdma/rdma_cma.h>
3021 int main(void) { return 0; }
3022 EOF
3023   rdma_libs="-lrdmacm -libverbs -libumad"
3024   if compile_prog "" "$rdma_libs" ; then
3025     rdma="yes"
3026     libs_softmmu="$libs_softmmu $rdma_libs"
3027   else
3028     if test "$rdma" = "yes" ; then
3029         error_exit \
3030             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3031             " Your options:" \
3032             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3033             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3034             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3035     fi
3036     rdma="no"
3037   fi
3038 fi
3039
3040 ##########################################
3041 # PVRDMA detection
3042
3043 cat > $TMPC <<EOF &&
3044 #include <sys/mman.h>
3045
3046 int
3047 main(void)
3048 {
3049     char buf = 0;
3050     void *addr = &buf;
3051     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3052
3053     return 0;
3054 }
3055 EOF
3056
3057 if test "$rdma" = "yes" ; then
3058     case "$pvrdma" in
3059     "")
3060         if compile_prog "" ""; then
3061             pvrdma="yes"
3062         else
3063             pvrdma="no"
3064         fi
3065         ;;
3066     "yes")
3067         if ! compile_prog "" ""; then
3068             error_exit "PVRDMA is not supported since mremap is not implemented"
3069         fi
3070         pvrdma="yes"
3071         ;;
3072     "no")
3073         pvrdma="no"
3074         ;;
3075     esac
3076 else
3077     if test "$pvrdma" = "yes" ; then
3078         error_exit "PVRDMA requires rdma suppport"
3079     fi
3080     pvrdma="no"
3081 fi
3082
3083 ##########################################
3084 # VNC SASL detection
3085 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3086   cat > $TMPC <<EOF
3087 #include <sasl/sasl.h>
3088 #include <stdio.h>
3089 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3090 EOF
3091   # Assuming Cyrus-SASL installed in /usr prefix
3092   vnc_sasl_cflags=""
3093   vnc_sasl_libs="-lsasl2"
3094   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3095     vnc_sasl=yes
3096     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3097     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3098   else
3099     if test "$vnc_sasl" = "yes" ; then
3100       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3101     fi
3102     vnc_sasl=no
3103   fi
3104 fi
3105
3106 ##########################################
3107 # VNC JPEG detection
3108 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3109 cat > $TMPC <<EOF
3110 #include <stdio.h>
3111 #include <jpeglib.h>
3112 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3113 EOF
3114     vnc_jpeg_cflags=""
3115     vnc_jpeg_libs="-ljpeg"
3116   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3117     vnc_jpeg=yes
3118     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3119     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3120   else
3121     if test "$vnc_jpeg" = "yes" ; then
3122       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3123     fi
3124     vnc_jpeg=no
3125   fi
3126 fi
3127
3128 ##########################################
3129 # VNC PNG detection
3130 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3131 cat > $TMPC <<EOF
3132 //#include <stdio.h>
3133 #include <png.h>
3134 #include <stddef.h>
3135 int main(void) {
3136     png_structp png_ptr;
3137     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3138     return png_ptr != 0;
3139 }
3140 EOF
3141   if $pkg_config libpng --exists; then
3142     vnc_png_cflags=$($pkg_config libpng --cflags)
3143     vnc_png_libs=$($pkg_config libpng --libs)
3144   else
3145     vnc_png_cflags=""
3146     vnc_png_libs="-lpng"
3147   fi
3148   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3149     vnc_png=yes
3150     libs_softmmu="$vnc_png_libs $libs_softmmu"
3151     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3152   else
3153     if test "$vnc_png" = "yes" ; then
3154       feature_not_found "vnc-png" "Install libpng devel"
3155     fi
3156     vnc_png=no
3157   fi
3158 fi
3159
3160 ##########################################
3161 # xkbcommon probe
3162 if test "$xkbcommon" != "no" ; then
3163   if $pkg_config xkbcommon --exists; then
3164     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3165     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3166     xkbcommon=yes
3167   else
3168     if test "$xkbcommon" = "yes" ; then
3169       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3170     fi
3171     xkbcommon=no
3172   fi
3173 fi
3174
3175 ##########################################
3176 # fnmatch() probe, used for ACL routines
3177 fnmatch="no"
3178 cat > $TMPC << EOF
3179 #include <fnmatch.h>
3180 int main(void)
3181 {
3182     fnmatch("foo", "foo", 0);
3183     return 0;
3184 }
3185 EOF
3186 if compile_prog "" "" ; then
3187    fnmatch="yes"
3188 fi
3189
3190 ##########################################
3191 # xfsctl() probe, used for file-posix.c
3192 if test "$xfs" != "no" ; then
3193   cat > $TMPC << EOF
3194 #include <stddef.h>  /* NULL */
3195 #include <xfs/xfs.h>
3196 int main(void)
3197 {
3198     xfsctl(NULL, 0, 0, NULL);
3199     return 0;
3200 }
3201 EOF
3202   if compile_prog "" "" ; then
3203     xfs="yes"
3204   else
3205     if test "$xfs" = "yes" ; then
3206       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3207     fi
3208     xfs=no
3209   fi
3210 fi
3211
3212 ##########################################
3213 # vde libraries probe
3214 if test "$vde" != "no" ; then
3215   vde_libs="-lvdeplug"
3216   cat > $TMPC << EOF
3217 #include <libvdeplug.h>
3218 int main(void)
3219 {
3220     struct vde_open_args a = {0, 0, 0};
3221     char s[] = "";
3222     vde_open(s, s, &a);
3223     return 0;
3224 }
3225 EOF
3226   if compile_prog "" "$vde_libs" ; then
3227     vde=yes
3228   else
3229     if test "$vde" = "yes" ; then
3230       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3231     fi
3232     vde=no
3233   fi
3234 fi
3235
3236 ##########################################
3237 # netmap support probe
3238 # Apart from looking for netmap headers, we make sure that the host API version
3239 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3240 # a minor/major version number. Minor new features will be marked with values up
3241 # to 15, and if something happens that requires a change to the backend we will
3242 # move above 15, submit the backend fixes and modify this two bounds.
3243 if test "$netmap" != "no" ; then
3244   cat > $TMPC << EOF
3245 #include <inttypes.h>
3246 #include <net/if.h>
3247 #include <net/netmap.h>
3248 #include <net/netmap_user.h>
3249 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3250 #error
3251 #endif
3252 int main(void) { return 0; }
3253 EOF
3254   if compile_prog "" "" ; then
3255     netmap=yes
3256   else
3257     if test "$netmap" = "yes" ; then
3258       feature_not_found "netmap"
3259     fi
3260     netmap=no
3261   fi
3262 fi
3263
3264 ##########################################
3265 # libcap-ng library probe
3266 if test "$cap_ng" != "no" ; then
3267   cap_libs="-lcap-ng"
3268   cat > $TMPC << EOF
3269 #include <cap-ng.h>
3270 int main(void)
3271 {
3272     capng_capability_to_name(CAPNG_EFFECTIVE);
3273     return 0;
3274 }
3275 EOF
3276   if compile_prog "" "$cap_libs" ; then
3277     cap_ng=yes
3278     libs_tools="$cap_libs $libs_tools"
3279   else
3280     if test "$cap_ng" = "yes" ; then
3281       feature_not_found "cap_ng" "Install libcap-ng devel"
3282     fi
3283     cap_ng=no
3284   fi
3285 fi
3286
3287 ##########################################
3288 # Sound support libraries probe
3289
3290 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3291 for drv in $audio_drv_list; do
3292     case $drv in
3293     alsa | try-alsa)
3294     if $pkg_config alsa --exists; then
3295         alsa_libs=$($pkg_config alsa --libs)
3296         if test "$drv" = "try-alsa"; then
3297             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3298         fi
3299     else
3300         if test "$drv" = "try-alsa"; then
3301             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3302         else
3303             error_exit "$drv check failed" \
3304                 "Make sure to have the $drv libs and headers installed."
3305         fi
3306     fi
3307     ;;
3308
3309     pa | try-pa)
3310     if $pkg_config libpulse --exists; then
3311         pulse_libs=$($pkg_config libpulse --libs)
3312         audio_pt_int="yes"
3313         if test "$drv" = "try-pa"; then
3314             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3315         fi
3316     else
3317         if test "$drv" = "try-pa"; then
3318             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3319         else
3320             error_exit "$drv check failed" \
3321                 "Make sure to have the $drv libs and headers installed."
3322         fi
3323     fi
3324     ;;
3325
3326     sdl)
3327     if test "$sdl" = "no"; then
3328         error_exit "sdl not found or disabled, can not use sdl audio driver"
3329     fi
3330     ;;
3331
3332     try-sdl)
3333     if test "$sdl" = "no"; then
3334         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3335     else
3336         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3337     fi
3338     ;;
3339
3340     coreaudio)
3341       coreaudio_libs="-framework CoreAudio"
3342     ;;
3343
3344     dsound)
3345       dsound_libs="-lole32 -ldxguid"
3346       audio_win_int="yes"
3347     ;;
3348
3349     oss)
3350       oss_libs="$oss_lib"
3351     ;;
3352
3353     wav)
3354     # XXX: Probes for CoreAudio, DirectSound
3355     ;;
3356
3357     *)
3358     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3359         error_exit "Unknown driver '$drv' selected" \
3360             "Possible drivers are: $audio_possible_drivers"
3361     }
3362     ;;
3363     esac
3364 done
3365
3366 ##########################################
3367 # BrlAPI probe
3368
3369 if test "$brlapi" != "no" ; then
3370   brlapi_libs="-lbrlapi"
3371   cat > $TMPC << EOF
3372 #include <brlapi.h>
3373 #include <stddef.h>
3374 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3375 EOF
3376   if compile_prog "" "$brlapi_libs" ; then
3377     brlapi=yes
3378   else
3379     if test "$brlapi" = "yes" ; then
3380       feature_not_found "brlapi" "Install brlapi devel"
3381     fi
3382     brlapi=no
3383   fi
3384 fi
3385
3386 ##########################################
3387 # curses probe
3388 if test "$curses" != "no" ; then
3389   if test "$mingw32" = "yes" ; then
3390     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3391     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3392   else
3393     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3394     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3395   fi
3396   curses_found=no
3397   cat > $TMPC << EOF
3398 #include <locale.h>
3399 #include <curses.h>
3400 #include <wchar.h>
3401 int main(void) {
3402   wchar_t wch = L'w';
3403   setlocale(LC_ALL, "");
3404   resize_term(0, 0);
3405   addwstr(L"wide chars\n");
3406   addnwstr(&wch, 1);
3407   add_wch(WACS_DEGREE);
3408   return 0;
3409 }
3410 EOF
3411   IFS=:
3412   for curses_inc in $curses_inc_list; do
3413     # Make sure we get the wide character prototypes
3414     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3415     IFS=:
3416     for curses_lib in $curses_lib_list; do
3417       unset IFS
3418       if compile_prog "$curses_inc" "$curses_lib" ; then
3419         curses_found=yes
3420         break
3421       fi
3422     done
3423     if test "$curses_found" = yes ; then
3424       break
3425     fi
3426   done
3427   unset IFS
3428   if test "$curses_found" = "yes" ; then
3429     curses=yes
3430   else
3431     if test "$curses" = "yes" ; then
3432       feature_not_found "curses" "Install ncurses devel"
3433     fi
3434     curses=no
3435   fi
3436 fi
3437
3438 ##########################################
3439 # curl probe
3440 if test "$curl" != "no" ; then
3441   if $pkg_config libcurl --exists; then
3442     curlconfig="$pkg_config libcurl"
3443   else
3444     curlconfig=curl-config
3445   fi
3446   cat > $TMPC << EOF
3447 #include <curl/curl.h>
3448 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3449 EOF
3450   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3451   curl_libs=$($curlconfig --libs 2>/dev/null)
3452   if compile_prog "$curl_cflags" "$curl_libs" ; then
3453     curl=yes
3454   else
3455     if test "$curl" = "yes" ; then
3456       feature_not_found "curl" "Install libcurl devel"
3457     fi
3458     curl=no
3459   fi
3460 fi # test "$curl"
3461
3462 ##########################################
3463 # bluez support probe
3464 if test "$bluez" != "no" ; then
3465   cat > $TMPC << EOF
3466 #include <bluetooth/bluetooth.h>
3467 int main(void) { return bt_error(0); }
3468 EOF
3469   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3470   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3471   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3472     bluez=yes
3473     libs_softmmu="$bluez_libs $libs_softmmu"
3474   else
3475     if test "$bluez" = "yes" ; then
3476       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3477     fi
3478     bluez="no"
3479   fi
3480 fi
3481
3482 ##########################################
3483 # glib support probe
3484
3485 glib_req_ver=2.40
3486 glib_modules=gthread-2.0
3487 if test "$modules" = yes; then
3488     glib_modules="$glib_modules gmodule-export-2.0"
3489 fi
3490
3491 # This workaround is required due to a bug in pkg-config file for glib as it
3492 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3493
3494 if test "$static" = yes && test "$mingw32" = yes; then
3495     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3496 fi
3497
3498 for i in $glib_modules; do
3499     if $pkg_config --atleast-version=$glib_req_ver $i; then
3500         glib_cflags=$($pkg_config --cflags $i)
3501         glib_libs=$($pkg_config --libs $i)
3502         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3503         LIBS="$glib_libs $LIBS"
3504         libs_qga="$glib_libs $libs_qga"
3505     else
3506         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3507     fi
3508 done
3509
3510 # Sanity check that the current size_t matches the
3511 # size that glib thinks it should be. This catches
3512 # problems on multi-arch where people try to build
3513 # 32-bit QEMU while pointing at 64-bit glib headers
3514 cat > $TMPC <<EOF
3515 #include <glib.h>
3516 #include <unistd.h>
3517
3518 #define QEMU_BUILD_BUG_ON(x) \
3519   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3520
3521 int main(void) {
3522    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3523    return 0;
3524 }
3525 EOF
3526
3527 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3528     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3529                "You probably need to set PKG_CONFIG_LIBDIR"\
3530                "to point to the right pkg-config files for your"\
3531                "build target"
3532 fi
3533
3534 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3535 cat > $TMPC << EOF
3536 #include <glib.h>
3537 int main(void) { return 0; }
3538 EOF
3539 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3540     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3541         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3542         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3543     fi
3544 fi
3545
3546 #########################################
3547 # zlib check
3548
3549 if test "$zlib" != "no" ; then
3550     if $pkg_config --exists zlib; then
3551         zlib_cflags=$($pkg_config --cflags zlib)
3552         zlib_libs=$($pkg_config --libs zlib)
3553         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3554         LIBS="$zlib_libs $LIBS"
3555     else
3556         cat > $TMPC << EOF
3557 #include <zlib.h>
3558 int main(void) { zlibVersion(); return 0; }
3559 EOF
3560         if compile_prog "" "-lz" ; then
3561             LIBS="$LIBS -lz"
3562         else
3563             error_exit "zlib check failed" \
3564                 "Make sure to have the zlib libs and headers installed."
3565         fi
3566     fi
3567 fi
3568
3569 ##########################################
3570 # SHA command probe for modules
3571 if test "$modules" = yes; then
3572     shacmd_probe="sha1sum sha1 shasum"
3573     for c in $shacmd_probe; do
3574         if has $c; then
3575             shacmd="$c"
3576             break
3577         fi
3578     done
3579     if test "$shacmd" = ""; then
3580         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3581     fi
3582 fi
3583
3584 ##########################################
3585 # pixman support probe
3586
3587 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3588   pixman_cflags=
3589   pixman_libs=
3590 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3591   pixman_cflags=$($pkg_config --cflags pixman-1)
3592   pixman_libs=$($pkg_config --libs pixman-1)
3593 else
3594   error_exit "pixman >= 0.21.8 not present." \
3595       "Please install the pixman devel package."
3596 fi
3597
3598 ##########################################
3599 # libmpathpersist probe
3600
3601 if test "$mpath" != "no" ; then
3602   # probe for the new API
3603   cat > $TMPC <<EOF
3604 #include <libudev.h>
3605 #include <mpath_persist.h>
3606 unsigned mpath_mx_alloc_len = 1024;
3607 int logsink;
3608 static struct config *multipath_conf;
3609 extern struct udev *udev;
3610 extern struct config *get_multipath_config(void);
3611 extern void put_multipath_config(struct config *conf);
3612 struct udev *udev;
3613 struct config *get_multipath_config(void) { return multipath_conf; }
3614 void put_multipath_config(struct config *conf) { }
3615
3616 int main(void) {
3617     udev = udev_new();
3618     multipath_conf = mpath_lib_init();
3619     return 0;
3620 }
3621 EOF
3622   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3623     mpathpersist=yes
3624     mpathpersist_new_api=yes
3625   else
3626     # probe for the old API
3627     cat > $TMPC <<EOF
3628 #include <libudev.h>
3629 #include <mpath_persist.h>
3630 unsigned mpath_mx_alloc_len = 1024;
3631 int logsink;
3632 int main(void) {
3633     struct udev *udev = udev_new();
3634     mpath_lib_init(udev);
3635     return 0;
3636 }
3637 EOF
3638     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3639       mpathpersist=yes
3640       mpathpersist_new_api=no
3641     else
3642       mpathpersist=no
3643     fi
3644   fi
3645 else
3646   mpathpersist=no
3647 fi
3648
3649 ##########################################
3650 # libcap probe
3651
3652 if test "$cap" != "no" ; then
3653   cat > $TMPC <<EOF
3654 #include <stdio.h>
3655 #include <sys/capability.h>
3656 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3657 EOF
3658   if compile_prog "" "-lcap" ; then
3659     cap=yes
3660   else
3661     cap=no
3662   fi
3663 fi
3664
3665 ##########################################
3666 # pthread probe
3667 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3668
3669 pthread=no
3670 cat > $TMPC << EOF
3671 #include <pthread.h>
3672 static void *f(void *p) { return NULL; }
3673 int main(void) {
3674   pthread_t thread;
3675   pthread_create(&thread, 0, f, 0);
3676   return 0;
3677 }
3678 EOF
3679 if compile_prog "" "" ; then
3680   pthread=yes
3681 else
3682   for pthread_lib in $PTHREADLIBS_LIST; do
3683     if compile_prog "" "$pthread_lib" ; then
3684       pthread=yes
3685       found=no
3686       for lib_entry in $LIBS; do
3687         if test "$lib_entry" = "$pthread_lib"; then
3688           found=yes
3689           break
3690         fi
3691       done
3692       if test "$found" = "no"; then
3693         LIBS="$pthread_lib $LIBS"
3694         libs_qga="$pthread_lib $libs_qga"
3695       fi
3696       PTHREAD_LIB="$pthread_lib"
3697       break
3698     fi
3699   done
3700 fi
3701
3702 if test "$mingw32" != yes && test "$pthread" = no; then
3703   error_exit "pthread check failed" \
3704       "Make sure to have the pthread libs and headers installed."
3705 fi
3706
3707 # check for pthread_setname_np with thread id
3708 pthread_setname_np_w_tid=no
3709 cat > $TMPC << EOF
3710 #include <pthread.h>
3711
3712 static void *f(void *p) { return NULL; }
3713 int main(void)
3714 {
3715     pthread_t thread;
3716     pthread_create(&thread, 0, f, 0);
3717     pthread_setname_np(thread, "QEMU");
3718     return 0;
3719 }
3720 EOF
3721 if compile_prog "" "$pthread_lib" ; then
3722   pthread_setname_np_w_tid=yes
3723 fi
3724
3725 # check for pthread_setname_np without thread id
3726 pthread_setname_np_wo_tid=no
3727 cat > $TMPC << EOF
3728 #include <pthread.h>
3729
3730 static void *f(void *p) { pthread_setname_np("QEMU"); }
3731 int main(void)
3732 {
3733     pthread_t thread;
3734     pthread_create(&thread, 0, f, 0);
3735     return 0;
3736 }
3737 EOF
3738 if compile_prog "" "$pthread_lib" ; then
3739   pthread_setname_np_wo_tid=yes
3740 fi
3741
3742 ##########################################
3743 # rbd probe
3744 if test "$rbd" != "no" ; then
3745   cat > $TMPC <<EOF
3746 #include <stdio.h>
3747 #include <rbd/librbd.h>
3748 int main(void) {
3749     rados_t cluster;
3750     rados_create(&cluster, NULL);
3751     return 0;
3752 }
3753 EOF
3754   rbd_libs="-lrbd -lrados"
3755   if compile_prog "" "$rbd_libs" ; then
3756     rbd=yes
3757   else
3758     if test "$rbd" = "yes" ; then
3759       feature_not_found "rados block device" "Install librbd/ceph devel"
3760     fi
3761     rbd=no
3762   fi
3763 fi
3764
3765 ##########################################
3766 # libssh2 probe
3767 min_libssh2_version=1.2.8
3768 if test "$libssh2" != "no" ; then
3769   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3770     libssh2_cflags=$($pkg_config libssh2 --cflags)
3771     libssh2_libs=$($pkg_config libssh2 --libs)
3772     libssh2=yes
3773   else
3774     if test "$libssh2" = "yes" ; then
3775       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3776     fi
3777     libssh2=no
3778   fi
3779 fi
3780
3781 ##########################################
3782 # libssh2_sftp_fsync probe
3783
3784 if test "$libssh2" = "yes"; then
3785   cat > $TMPC <<EOF
3786 #include <stdio.h>
3787 #include <libssh2.h>
3788 #include <libssh2_sftp.h>
3789 int main(void) {
3790     LIBSSH2_SESSION *session;
3791     LIBSSH2_SFTP *sftp;
3792     LIBSSH2_SFTP_HANDLE *sftp_handle;
3793     session = libssh2_session_init ();
3794     sftp = libssh2_sftp_init (session);
3795     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3796     libssh2_sftp_fsync (sftp_handle);
3797     return 0;
3798 }
3799 EOF
3800   # libssh2_cflags/libssh2_libs defined in previous test.
3801   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3802     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3803   fi
3804 fi
3805
3806 ##########################################
3807 # linux-aio probe
3808
3809 if test "$linux_aio" != "no" ; then
3810   cat > $TMPC <<EOF
3811 #include <libaio.h>
3812 #include <sys/eventfd.h>
3813 #include <stddef.h>
3814 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3815 EOF
3816   if compile_prog "" "-laio" ; then
3817     linux_aio=yes
3818   else
3819     if test "$linux_aio" = "yes" ; then
3820       feature_not_found "linux AIO" "Install libaio devel"
3821     fi
3822     linux_aio=no
3823   fi
3824 fi
3825
3826 ##########################################
3827 # TPM passthrough is only on x86 Linux
3828
3829 if test "$targetos" = Linux && { test "$cpu" = i386 || test "$cpu" = x86_64; }; then
3830   tpm_passthrough=$tpm
3831 else
3832   tpm_passthrough=no
3833 fi
3834
3835 # TPM emulator is for all posix systems
3836 if test "$mingw32" != "yes"; then
3837   tpm_emulator=$tpm
3838 else
3839   tpm_emulator=no
3840 fi
3841 ##########################################
3842 # attr probe
3843
3844 if test "$attr" != "no" ; then
3845   cat > $TMPC <<EOF
3846 #include <stdio.h>
3847 #include <sys/types.h>
3848 #ifdef CONFIG_LIBATTR
3849 #include <attr/xattr.h>
3850 #else
3851 #include <sys/xattr.h>
3852 #endif
3853 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3854 EOF
3855   if compile_prog "" "" ; then
3856     attr=yes
3857   # Older distros have <attr/xattr.h>, and need -lattr:
3858   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3859     attr=yes
3860     LIBS="-lattr $LIBS"
3861     libattr=yes
3862   else
3863     if test "$attr" = "yes" ; then
3864       feature_not_found "ATTR" "Install libc6 or libattr devel"
3865     fi
3866     attr=no
3867   fi
3868 fi
3869
3870 ##########################################
3871 # iovec probe
3872 cat > $TMPC <<EOF
3873 #include <sys/types.h>
3874 #include <sys/uio.h>
3875 #include <unistd.h>
3876 int main(void) { return sizeof(struct iovec); }
3877 EOF
3878 iovec=no
3879 if compile_prog "" "" ; then
3880   iovec=yes
3881 fi
3882
3883 ##########################################
3884 # preadv probe
3885 cat > $TMPC <<EOF
3886 #include <sys/types.h>
3887 #include <sys/uio.h>
3888 #include <unistd.h>
3889 int main(void) { return preadv(0, 0, 0, 0); }
3890 EOF
3891 preadv=no
3892 if compile_prog "" "" ; then
3893   preadv=yes
3894 fi
3895
3896 ##########################################
3897 # fdt probe
3898 # fdt support is mandatory for at least some target architectures,
3899 # so insist on it if we're building those system emulators.
3900 fdt_required=no
3901 for target in $target_list; do
3902   case $target in
3903     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
3904       fdt_required=yes
3905     ;;
3906   esac
3907 done
3908
3909 if test "$fdt_required" = "yes"; then
3910   if test "$fdt" = "no"; then
3911     error_exit "fdt disabled but some requested targets require it." \
3912       "You can turn off fdt only if you also disable all the system emulation" \
3913       "targets which need it (by specifying a cut down --target-list)."
3914   fi
3915   fdt=yes
3916 fi
3917
3918 if test "$fdt" != "no" ; then
3919   fdt_libs="-lfdt"
3920   # explicitly check for libfdt_env.h as it is missing in some stable installs
3921   # and test for required functions to make sure we are on a version >= 1.4.2
3922   cat > $TMPC << EOF
3923 #include <libfdt.h>
3924 #include <libfdt_env.h>
3925 int main(void) { fdt_check_full(NULL, 0); return 0; }
3926 EOF
3927   if compile_prog "" "$fdt_libs" ; then
3928     # system DTC is good - use it
3929     fdt=system
3930   else
3931       # have GIT checkout, so activate dtc submodule
3932       if test -e "${source_path}/.git" ; then
3933           git_submodules="${git_submodules} dtc"
3934       fi
3935       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3936           fdt=git
3937           mkdir -p dtc
3938           if [ "$pwd_is_source_path" != "y" ] ; then
3939               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3940               symlink "$source_path/dtc/scripts" "dtc/scripts"
3941           fi
3942           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3943           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
3944           fdt_libs="$fdt_libs"
3945       elif test "$fdt" = "yes" ; then
3946           # Not a git build & no libfdt found, prompt for system install
3947           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3948                      "Please install the DTC (libfdt) devel package"
3949       else
3950           # don't have and don't want
3951           fdt_libs=
3952           fdt=no
3953       fi
3954   fi
3955 fi
3956
3957 libs_softmmu="$libs_softmmu $fdt_libs"
3958
3959 ##########################################
3960 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3961
3962 if test "$opengl" != "no" ; then
3963   opengl_pkgs="epoxy gbm"
3964   if $pkg_config $opengl_pkgs; then
3965     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
3966     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
3967     opengl=yes
3968     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3969         gtk_gl="yes"
3970     fi
3971     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3972   else
3973     if test "$opengl" = "yes" ; then
3974       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3975     fi
3976     opengl_cflags=""
3977     opengl_libs=""
3978     opengl=no
3979   fi
3980 fi
3981
3982 if test "$opengl" = "yes"; then
3983   cat > $TMPC << EOF
3984 #include <epoxy/egl.h>
3985 #ifndef EGL_MESA_image_dma_buf_export
3986 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3987 #endif
3988 int main(void) { return 0; }
3989 EOF
3990   if compile_prog "" "" ; then
3991     opengl_dmabuf=yes
3992   fi
3993 fi
3994
3995 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
3996   for target in $target_list; do
3997     case $target in
3998       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
3999         need_x11=yes
4000       ;;
4001     esac
4002   done
4003 fi
4004
4005 ##########################################
4006 # libxml2 probe
4007 if test "$libxml2" != "no" ; then
4008     if $pkg_config --exists libxml-2.0; then
4009         libxml2="yes"
4010         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4011         libxml2_libs=$($pkg_config --libs libxml-2.0)
4012     else
4013         if test "$libxml2" = "yes"; then
4014             feature_not_found "libxml2" "Install libxml2 devel"
4015         fi
4016         libxml2="no"
4017     fi
4018 fi
4019
4020 ##########################################
4021 # glusterfs probe
4022 if test "$glusterfs" != "no" ; then
4023   if $pkg_config --atleast-version=3 glusterfs-api; then
4024     glusterfs="yes"
4025     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4026     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4027     if $pkg_config --atleast-version=4 glusterfs-api; then
4028       glusterfs_xlator_opt="yes"
4029     fi
4030     if $pkg_config --atleast-version=5 glusterfs-api; then
4031       glusterfs_discard="yes"
4032     fi
4033     if $pkg_config --atleast-version=6 glusterfs-api; then
4034       glusterfs_fallocate="yes"
4035       glusterfs_zerofill="yes"
4036     fi
4037   else
4038     if test "$glusterfs" = "yes" ; then
4039       feature_not_found "GlusterFS backend support" \
4040           "Install glusterfs-api devel >= 3"
4041     fi
4042     glusterfs="no"
4043   fi
4044 fi
4045
4046 # Check for inotify functions when we are building linux-user
4047 # emulator.  This is done because older glibc versions don't
4048 # have syscall stubs for these implemented.  In that case we
4049 # don't provide them even if kernel supports them.
4050 #
4051 inotify=no
4052 cat > $TMPC << EOF
4053 #include <sys/inotify.h>
4054
4055 int
4056 main(void)
4057 {
4058         /* try to start inotify */
4059         return inotify_init();
4060 }
4061 EOF
4062 if compile_prog "" "" ; then
4063   inotify=yes
4064 fi
4065
4066 inotify1=no
4067 cat > $TMPC << EOF
4068 #include <sys/inotify.h>
4069
4070 int
4071 main(void)
4072 {
4073     /* try to start inotify */
4074     return inotify_init1(0);
4075 }
4076 EOF
4077 if compile_prog "" "" ; then
4078   inotify1=yes
4079 fi
4080
4081 # check if pipe2 is there
4082 pipe2=no
4083 cat > $TMPC << EOF
4084 #include <unistd.h>
4085 #include <fcntl.h>
4086
4087 int main(void)
4088 {
4089     int pipefd[2];
4090     return pipe2(pipefd, O_CLOEXEC);
4091 }
4092 EOF
4093 if compile_prog "" "" ; then
4094   pipe2=yes
4095 fi
4096
4097 # check if accept4 is there
4098 accept4=no
4099 cat > $TMPC << EOF
4100 #include <sys/socket.h>
4101 #include <stddef.h>
4102
4103 int main(void)
4104 {
4105     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4106     return 0;
4107 }
4108 EOF
4109 if compile_prog "" "" ; then
4110   accept4=yes
4111 fi
4112
4113 # check if tee/splice is there. vmsplice was added same time.
4114 splice=no
4115 cat > $TMPC << EOF
4116 #include <unistd.h>
4117 #include <fcntl.h>
4118 #include <limits.h>
4119
4120 int main(void)
4121 {
4122     int len, fd = 0;
4123     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4124     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4125     return 0;
4126 }
4127 EOF
4128 if compile_prog "" "" ; then
4129   splice=yes
4130 fi
4131
4132 ##########################################
4133 # libnuma probe
4134
4135 if test "$numa" != "no" ; then
4136   cat > $TMPC << EOF
4137 #include <numa.h>
4138 int main(void) { return numa_available(); }
4139 EOF
4140
4141   if compile_prog "" "-lnuma" ; then
4142     numa=yes
4143     libs_softmmu="-lnuma $libs_softmmu"
4144   else
4145     if test "$numa" = "yes" ; then
4146       feature_not_found "numa" "install numactl devel"
4147     fi
4148     numa=no
4149   fi
4150 fi
4151
4152 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4153     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4154     exit 1
4155 fi
4156
4157 # Even if malloc_trim() is available, these non-libc memory allocators
4158 # do not support it.
4159 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4160     if test "$malloc_trim" = "yes" ; then
4161         echo "Disabling malloc_trim with non-libc memory allocator"
4162     fi
4163     malloc_trim="no"
4164 fi
4165
4166 #######################################
4167 # malloc_trim
4168
4169 if test "$malloc_trim" != "no" ; then
4170     cat > $TMPC << EOF
4171 #include <malloc.h>
4172 int main(void) { malloc_trim(0); return 0; }
4173 EOF
4174     if compile_prog "" "" ; then
4175         malloc_trim="yes"
4176     else
4177         malloc_trim="no"
4178     fi
4179 fi
4180
4181 ##########################################
4182 # tcmalloc probe
4183
4184 if test "$tcmalloc" = "yes" ; then
4185   cat > $TMPC << EOF
4186 #include <stdlib.h>
4187 int main(void) { malloc(1); return 0; }
4188 EOF
4189
4190   if compile_prog "" "-ltcmalloc" ; then
4191     LIBS="-ltcmalloc $LIBS"
4192   else
4193     feature_not_found "tcmalloc" "install gperftools devel"
4194   fi
4195 fi
4196
4197 ##########################################
4198 # jemalloc probe
4199
4200 if test "$jemalloc" = "yes" ; then
4201   cat > $TMPC << EOF
4202 #include <stdlib.h>
4203 int main(void) { malloc(1); return 0; }
4204 EOF
4205
4206   if compile_prog "" "-ljemalloc" ; then
4207     LIBS="-ljemalloc $LIBS"
4208   else
4209     feature_not_found "jemalloc" "install jemalloc devel"
4210   fi
4211 fi
4212
4213 ##########################################
4214 # signalfd probe
4215 signalfd="no"
4216 cat > $TMPC << EOF
4217 #include <unistd.h>
4218 #include <sys/syscall.h>
4219 #include <signal.h>
4220 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4221 EOF
4222
4223 if compile_prog "" "" ; then
4224   signalfd=yes
4225 fi
4226
4227 # check if optreset global is declared by <getopt.h>
4228 optreset="no"
4229 cat > $TMPC << EOF
4230 #include <getopt.h>
4231 int main(void) { return optreset; }
4232 EOF
4233
4234 if compile_prog "" "" ; then
4235   optreset=yes
4236 fi
4237
4238 # check if eventfd is supported
4239 eventfd=no
4240 cat > $TMPC << EOF
4241 #include <sys/eventfd.h>
4242
4243 int main(void)
4244 {
4245     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4246 }
4247 EOF
4248 if compile_prog "" "" ; then
4249   eventfd=yes
4250 fi
4251
4252 # check if memfd is supported
4253 memfd=no
4254 cat > $TMPC << EOF
4255 #include <sys/mman.h>
4256
4257 int main(void)
4258 {
4259     return memfd_create("foo", MFD_ALLOW_SEALING);
4260 }
4261 EOF
4262 if compile_prog "" "" ; then
4263   memfd=yes
4264 fi
4265
4266 # check for usbfs
4267 have_usbfs=no
4268 if test "$linux_user" = "yes"; then
4269   if check_include linux/usbdevice_fs.h; then
4270     have_usbfs=yes
4271   fi
4272   have_usbfs=yes
4273 fi
4274
4275 # check for fallocate
4276 fallocate=no
4277 cat > $TMPC << EOF
4278 #include <fcntl.h>
4279
4280 int main(void)
4281 {
4282     fallocate(0, 0, 0, 0);
4283     return 0;
4284 }
4285 EOF
4286 if compile_prog "" "" ; then
4287   fallocate=yes
4288 fi
4289
4290 # check for fallocate hole punching
4291 fallocate_punch_hole=no
4292 cat > $TMPC << EOF
4293 #include <fcntl.h>
4294 #include <linux/falloc.h>
4295
4296 int main(void)
4297 {
4298     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4299     return 0;
4300 }
4301 EOF
4302 if compile_prog "" "" ; then
4303   fallocate_punch_hole=yes
4304 fi
4305
4306 # check that fallocate supports range zeroing inside the file
4307 fallocate_zero_range=no
4308 cat > $TMPC << EOF
4309 #include <fcntl.h>
4310 #include <linux/falloc.h>
4311
4312 int main(void)
4313 {
4314     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4315     return 0;
4316 }
4317 EOF
4318 if compile_prog "" "" ; then
4319   fallocate_zero_range=yes
4320 fi
4321
4322 # check for posix_fallocate
4323 posix_fallocate=no
4324 cat > $TMPC << EOF
4325 #include <fcntl.h>
4326
4327 int main(void)
4328 {
4329     posix_fallocate(0, 0, 0);
4330     return 0;
4331 }
4332 EOF
4333 if compile_prog "" "" ; then
4334     posix_fallocate=yes
4335 fi
4336
4337 # check for sync_file_range
4338 sync_file_range=no
4339 cat > $TMPC << EOF
4340 #include <fcntl.h>
4341
4342 int main(void)
4343 {
4344     sync_file_range(0, 0, 0, 0);
4345     return 0;
4346 }
4347 EOF
4348 if compile_prog "" "" ; then
4349   sync_file_range=yes
4350 fi
4351
4352 # check for linux/fiemap.h and FS_IOC_FIEMAP
4353 fiemap=no
4354 cat > $TMPC << EOF
4355 #include <sys/ioctl.h>
4356 #include <linux/fs.h>
4357 #include <linux/fiemap.h>
4358
4359 int main(void)
4360 {
4361     ioctl(0, FS_IOC_FIEMAP, 0);
4362     return 0;
4363 }
4364 EOF
4365 if compile_prog "" "" ; then
4366   fiemap=yes
4367 fi
4368
4369 # check for dup3
4370 dup3=no
4371 cat > $TMPC << EOF
4372 #include <unistd.h>
4373
4374 int main(void)
4375 {
4376     dup3(0, 0, 0);
4377     return 0;
4378 }
4379 EOF
4380 if compile_prog "" "" ; then
4381   dup3=yes
4382 fi
4383
4384 # check for ppoll support
4385 ppoll=no
4386 cat > $TMPC << EOF
4387 #include <poll.h>
4388
4389 int main(void)
4390 {
4391     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4392     ppoll(&pfd, 1, 0, 0);
4393     return 0;
4394 }
4395 EOF
4396 if compile_prog "" "" ; then
4397   ppoll=yes
4398 fi
4399
4400 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4401 prctl_pr_set_timerslack=no
4402 cat > $TMPC << EOF
4403 #include <sys/prctl.h>
4404
4405 int main(void)
4406 {
4407     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4408     return 0;
4409 }
4410 EOF
4411 if compile_prog "" "" ; then
4412   prctl_pr_set_timerslack=yes
4413 fi
4414
4415 # check for epoll support
4416 epoll=no
4417 cat > $TMPC << EOF
4418 #include <sys/epoll.h>
4419
4420 int main(void)
4421 {
4422     epoll_create(0);
4423     return 0;
4424 }
4425 EOF
4426 if compile_prog "" "" ; then
4427   epoll=yes
4428 fi
4429
4430 # epoll_create1 is a later addition
4431 # so we must check separately for its presence
4432 epoll_create1=no
4433 cat > $TMPC << EOF
4434 #include <sys/epoll.h>
4435
4436 int main(void)
4437 {
4438     /* Note that we use epoll_create1 as a value, not as
4439      * a function being called. This is necessary so that on
4440      * old SPARC glibc versions where the function was present in
4441      * the library but not declared in the header file we will
4442      * fail the configure check. (Otherwise we will get a compiler
4443      * warning but not an error, and will proceed to fail the
4444      * qemu compile where we compile with -Werror.)
4445      */
4446     return (int)(uintptr_t)&epoll_create1;
4447 }
4448 EOF
4449 if compile_prog "" "" ; then
4450   epoll_create1=yes
4451 fi
4452
4453 # check for sendfile support
4454 sendfile=no
4455 cat > $TMPC << EOF
4456 #include <sys/sendfile.h>
4457
4458 int main(void)
4459 {
4460     return sendfile(0, 0, 0, 0);
4461 }
4462 EOF
4463 if compile_prog "" "" ; then
4464   sendfile=yes
4465 fi
4466
4467 # check for timerfd support (glibc 2.8 and newer)
4468 timerfd=no
4469 cat > $TMPC << EOF
4470 #include <sys/timerfd.h>
4471
4472 int main(void)
4473 {
4474     return(timerfd_create(CLOCK_REALTIME, 0));
4475 }
4476 EOF
4477 if compile_prog "" "" ; then
4478   timerfd=yes
4479 fi
4480
4481 # check for setns and unshare support
4482 setns=no
4483 cat > $TMPC << EOF
4484 #include <sched.h>
4485
4486 int main(void)
4487 {
4488     int ret;
4489     ret = setns(0, 0);
4490     ret = unshare(0);
4491     return ret;
4492 }
4493 EOF
4494 if compile_prog "" "" ; then
4495   setns=yes
4496 fi
4497
4498 # clock_adjtime probe
4499 clock_adjtime=no
4500 cat > $TMPC <<EOF
4501 #include <time.h>
4502
4503 int main(void)
4504 {
4505     return clock_adjtime(0, 0);
4506 }
4507 EOF
4508 clock_adjtime=no
4509 if compile_prog "" "" ; then
4510   clock_adjtime=yes
4511 fi
4512
4513 # syncfs probe
4514 syncfs=no
4515 cat > $TMPC <<EOF
4516 #include <unistd.h>
4517
4518 int main(void)
4519 {
4520     return syncfs(0);
4521 }
4522 EOF
4523 syncfs=no
4524 if compile_prog "" "" ; then
4525   syncfs=yes
4526 fi
4527
4528 # Check if tools are available to build documentation.
4529 if test "$docs" != "no" ; then
4530   if has makeinfo && has pod2man; then
4531     docs=yes
4532   else
4533     if test "$docs" = "yes" ; then
4534       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4535     fi
4536     docs=no
4537   fi
4538 fi
4539
4540 # Search for bswap_32 function
4541 byteswap_h=no
4542 cat > $TMPC << EOF
4543 #include <byteswap.h>
4544 int main(void) { return bswap_32(0); }
4545 EOF
4546 if compile_prog "" "" ; then
4547   byteswap_h=yes
4548 fi
4549
4550 # Search for bswap32 function
4551 bswap_h=no
4552 cat > $TMPC << EOF
4553 #include <sys/endian.h>
4554 #include <sys/types.h>
4555 #include <machine/bswap.h>
4556 int main(void) { return bswap32(0); }
4557 EOF
4558 if compile_prog "" "" ; then
4559   bswap_h=yes
4560 fi
4561
4562 ##########################################
4563 # Do we have libiscsi >= 1.9.0
4564 if test "$libiscsi" != "no" ; then
4565   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4566     libiscsi="yes"
4567     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4568     libiscsi_libs=$($pkg_config --libs libiscsi)
4569   else
4570     if test "$libiscsi" = "yes" ; then
4571       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4572     fi
4573     libiscsi="no"
4574   fi
4575 fi
4576
4577 ##########################################
4578 # Do we need libm
4579 cat > $TMPC << EOF
4580 #include <math.h>
4581 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4582 EOF
4583 if compile_prog "" "" ; then
4584   :
4585 elif compile_prog "" "-lm" ; then
4586   LIBS="-lm $LIBS"
4587   libs_qga="-lm $libs_qga"
4588 else
4589   error_exit "libm check failed"
4590 fi
4591
4592 ##########################################
4593 # Do we need librt
4594 # uClibc provides 2 versions of clock_gettime(), one with realtime
4595 # support and one without. This means that the clock_gettime() don't
4596 # need -lrt. We still need it for timer_create() so we check for this
4597 # function in addition.
4598 cat > $TMPC <<EOF
4599 #include <signal.h>
4600 #include <time.h>
4601 int main(void) {
4602   timer_create(CLOCK_REALTIME, NULL, NULL);
4603   return clock_gettime(CLOCK_REALTIME, NULL);
4604 }
4605 EOF
4606
4607 if compile_prog "" "" ; then
4608   :
4609 # we need pthread for static linking. use previous pthread test result
4610 elif compile_prog "" "$pthread_lib -lrt" ; then
4611   LIBS="$LIBS -lrt"
4612   libs_qga="$libs_qga -lrt"
4613 fi
4614
4615 # Check whether we need to link libutil for openpty()
4616 cat > $TMPC << EOF
4617 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4618 int main(void) { return openpty(0, 0, 0, 0, 0); }
4619 EOF
4620
4621 if ! compile_prog "" "" ; then
4622   if compile_prog "" "-lutil" ; then
4623     libs_softmmu="-lutil $libs_softmmu"
4624     libs_tools="-lutil $libs_tools"
4625   fi
4626 fi
4627
4628 ##########################################
4629 # spice probe
4630 if test "$spice" != "no" ; then
4631   cat > $TMPC << EOF
4632 #include <spice.h>
4633 int main(void) { spice_server_new(); return 0; }
4634 EOF
4635   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4636   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4637   if $pkg_config --atleast-version=0.12.5 spice-server && \
4638      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4639      compile_prog "$spice_cflags" "$spice_libs" ; then
4640     spice="yes"
4641     libs_softmmu="$libs_softmmu $spice_libs"
4642     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4643     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4644     spice_server_version=$($pkg_config --modversion spice-server)
4645   else
4646     if test "$spice" = "yes" ; then
4647       feature_not_found "spice" \
4648           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4649     fi
4650     spice="no"
4651   fi
4652 fi
4653
4654 # check for smartcard support
4655 if test "$smartcard" != "no"; then
4656     if $pkg_config --atleast-version=2.5.1 libcacard; then
4657         libcacard_cflags=$($pkg_config --cflags libcacard)
4658         libcacard_libs=$($pkg_config --libs libcacard)
4659         smartcard="yes"
4660     else
4661         if test "$smartcard" = "yes"; then
4662             feature_not_found "smartcard" "Install libcacard devel"
4663         fi
4664         smartcard="no"
4665     fi
4666 fi
4667
4668 # check for libusb
4669 if test "$libusb" != "no" ; then
4670     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4671         libusb="yes"
4672         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4673         libusb_libs=$($pkg_config --libs libusb-1.0)
4674     else
4675         if test "$libusb" = "yes"; then
4676             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4677         fi
4678         libusb="no"
4679     fi
4680 fi
4681
4682 # check for usbredirparser for usb network redirection support
4683 if test "$usb_redir" != "no" ; then
4684     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4685         usb_redir="yes"
4686         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4687         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4688     else
4689         if test "$usb_redir" = "yes"; then
4690             feature_not_found "usb-redir" "Install usbredir devel"
4691         fi
4692         usb_redir="no"
4693     fi
4694 fi
4695
4696 ##########################################
4697 # check if we have VSS SDK headers for win
4698
4699 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4700         test "$vss_win32_sdk" != "no" ; then
4701   case "$vss_win32_sdk" in
4702     "")   vss_win32_include="-isystem $source_path" ;;
4703     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4704           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4705           vss_win32_include="-isystem $source_path/.sdk/vss"
4706           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4707           ;;
4708     *)    vss_win32_include="-isystem $vss_win32_sdk"
4709   esac
4710   cat > $TMPC << EOF
4711 #define __MIDL_user_allocate_free_DEFINED__
4712 #include <inc/win2003/vss.h>
4713 int main(void) { return VSS_CTX_BACKUP; }
4714 EOF
4715   if compile_prog "$vss_win32_include" "" ; then
4716     guest_agent_with_vss="yes"
4717     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4718     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4719     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4720   else
4721     if test "$vss_win32_sdk" != "" ; then
4722       echo "ERROR: Please download and install Microsoft VSS SDK:"
4723       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4724       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4725       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4726       echo "ERROR: The headers are extracted in the directory \`inc'."
4727       feature_not_found "VSS support"
4728     fi
4729     guest_agent_with_vss="no"
4730   fi
4731 fi
4732
4733 ##########################################
4734 # lookup Windows platform SDK (if not specified)
4735 # The SDK is needed only to build .tlb (type library) file of guest agent
4736 # VSS provider from the source. It is usually unnecessary because the
4737 # pre-compiled .tlb file is included.
4738
4739 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4740         test "$guest_agent_with_vss" = "yes" ; then
4741   if test -z "$win_sdk"; then
4742     programfiles="$PROGRAMFILES"
4743     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4744     if test -n "$programfiles"; then
4745       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4746     else
4747       feature_not_found "Windows SDK"
4748     fi
4749   elif test "$win_sdk" = "no"; then
4750     win_sdk=""
4751   fi
4752 fi
4753
4754 ##########################################
4755 # check if mingw environment provides a recent ntddscsi.h
4756 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4757   cat > $TMPC << EOF
4758 #include <windows.h>
4759 #include <ntddscsi.h>
4760 int main(void) {
4761 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4762 #error Missing required ioctl definitions
4763 #endif
4764   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4765   return addr.Lun;
4766 }
4767 EOF
4768   if compile_prog "" "" ; then
4769     guest_agent_ntddscsi=yes
4770     libs_qga="-lsetupapi $libs_qga"
4771   fi
4772 fi
4773
4774 ##########################################
4775 # virgl renderer probe
4776
4777 if test "$virglrenderer" != "no" ; then
4778   cat > $TMPC << EOF
4779 #include <virglrenderer.h>
4780 int main(void) { virgl_renderer_poll(); return 0; }
4781 EOF
4782   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4783   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4784   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4785   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4786      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4787     virglrenderer="yes"
4788   else
4789     if test "$virglrenderer" = "yes" ; then
4790       feature_not_found "virglrenderer"
4791     fi
4792     virglrenderer="no"
4793   fi
4794 fi
4795
4796 ##########################################
4797 # capstone
4798
4799 case "$capstone" in
4800   "" | yes)
4801     if $pkg_config capstone; then
4802       capstone=system
4803     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4804       capstone=git
4805     elif test -e "${source_path}/capstone/Makefile" ; then
4806       capstone=internal
4807     elif test -z "$capstone" ; then
4808       capstone=no
4809     else
4810       feature_not_found "capstone" "Install capstone devel or git submodule"
4811     fi
4812     ;;
4813
4814   system)
4815     if ! $pkg_config capstone; then
4816       feature_not_found "capstone" "Install capstone devel"
4817     fi
4818     ;;
4819 esac
4820
4821 case "$capstone" in
4822   git | internal)
4823     if test "$capstone" = git; then
4824       git_submodules="${git_submodules} capstone"
4825     fi
4826     mkdir -p capstone
4827     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
4828     if test "$mingw32" = "yes"; then
4829       LIBCAPSTONE=capstone.lib
4830     else
4831       LIBCAPSTONE=libcapstone.a
4832     fi
4833     LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
4834     ;;
4835
4836   system)
4837     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
4838     LIBS="$($pkg_config --libs capstone) $LIBS"
4839     ;;
4840
4841   no)
4842     ;;
4843   *)
4844     error_exit "Unknown state for capstone: $capstone"
4845     ;;
4846 esac
4847
4848 ##########################################
4849 # check if we have fdatasync
4850
4851 fdatasync=no
4852 cat > $TMPC << EOF
4853 #include <unistd.h>
4854 int main(void) {
4855 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4856 return fdatasync(0);
4857 #else
4858 #error Not supported
4859 #endif
4860 }
4861 EOF
4862 if compile_prog "" "" ; then
4863     fdatasync=yes
4864 fi
4865
4866 ##########################################
4867 # check if we have madvise
4868
4869 madvise=no
4870 cat > $TMPC << EOF
4871 #include <sys/types.h>
4872 #include <sys/mman.h>
4873 #include <stddef.h>
4874 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4875 EOF
4876 if compile_prog "" "" ; then
4877     madvise=yes
4878 fi
4879
4880 ##########################################
4881 # check if we have posix_madvise
4882
4883 posix_madvise=no
4884 cat > $TMPC << EOF
4885 #include <sys/mman.h>
4886 #include <stddef.h>
4887 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4888 EOF
4889 if compile_prog "" "" ; then
4890     posix_madvise=yes
4891 fi
4892
4893 ##########################################
4894 # check if we have posix_memalign()
4895
4896 posix_memalign=no
4897 cat > $TMPC << EOF
4898 #include <stdlib.h>
4899 int main(void) {
4900     void *p;
4901     return posix_memalign(&p, 8, 8);
4902 }
4903 EOF
4904 if compile_prog "" "" ; then
4905     posix_memalign=yes
4906 fi
4907
4908 ##########################################
4909 # check if we have posix_syslog
4910
4911 posix_syslog=no
4912 cat > $TMPC << EOF
4913 #include <syslog.h>
4914 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4915 EOF
4916 if compile_prog "" "" ; then
4917     posix_syslog=yes
4918 fi
4919
4920 ##########################################
4921 # check if we have sem_timedwait
4922
4923 sem_timedwait=no
4924 cat > $TMPC << EOF
4925 #include <semaphore.h>
4926 int main(void) { return sem_timedwait(0, 0); }
4927 EOF
4928 if compile_prog "" "" ; then
4929     sem_timedwait=yes
4930 fi
4931
4932 ##########################################
4933 # check if we have strchrnul
4934
4935 strchrnul=no
4936 cat > $TMPC << EOF
4937 #include <string.h>
4938 int main(void);
4939 // Use a haystack that the compiler shouldn't be able to constant fold
4940 char *haystack = (char*)&main;
4941 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4942 EOF
4943 if compile_prog "" "" ; then
4944     strchrnul=yes
4945 fi
4946
4947 ##########################################
4948 # check if trace backend exists
4949
4950 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4951 if test "$?" -ne 0 ; then
4952   error_exit "invalid trace backends" \
4953       "Please choose supported trace backends."
4954 fi
4955
4956 ##########################################
4957 # For 'ust' backend, test if ust headers are present
4958 if have_backend "ust"; then
4959   cat > $TMPC << EOF
4960 #include <lttng/tracepoint.h>
4961 int main(void) { return 0; }
4962 EOF
4963   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4964     if $pkg_config lttng-ust --exists; then
4965       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4966     else
4967       lttng_ust_libs="-llttng-ust -ldl"
4968     fi
4969     if $pkg_config liburcu-bp --exists; then
4970       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4971     else
4972       urcu_bp_libs="-lurcu-bp"
4973     fi
4974
4975     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4976     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4977   else
4978     error_exit "Trace backend 'ust' missing lttng-ust header files"
4979   fi
4980 fi
4981
4982 ##########################################
4983 # For 'dtrace' backend, test if 'dtrace' command is present
4984 if have_backend "dtrace"; then
4985   if ! has 'dtrace' ; then
4986     error_exit "dtrace command is not found in PATH $PATH"
4987   fi
4988   trace_backend_stap="no"
4989   if has 'stap' ; then
4990     trace_backend_stap="yes"
4991   fi
4992 fi
4993
4994 ##########################################
4995 # check and set a backend for coroutine
4996
4997 # We prefer ucontext, but it's not always possible. The fallback
4998 # is sigcontext. On Windows the only valid backend is the Windows
4999 # specific one.
5000
5001 ucontext_works=no
5002 if test "$darwin" != "yes"; then
5003   cat > $TMPC << EOF
5004 #include <ucontext.h>
5005 #ifdef __stub_makecontext
5006 #error Ignoring glibc stub makecontext which will always fail
5007 #endif
5008 int main(void) { makecontext(0, 0, 0); return 0; }
5009 EOF
5010   if compile_prog "" "" ; then
5011     ucontext_works=yes
5012   fi
5013 fi
5014
5015 if test "$coroutine" = ""; then
5016   if test "$mingw32" = "yes"; then
5017     coroutine=win32
5018   elif test "$ucontext_works" = "yes"; then
5019     coroutine=ucontext
5020   else
5021     coroutine=sigaltstack
5022   fi
5023 else
5024   case $coroutine in
5025   windows)
5026     if test "$mingw32" != "yes"; then
5027       error_exit "'windows' coroutine backend only valid for Windows"
5028     fi
5029     # Unfortunately the user visible backend name doesn't match the
5030     # coroutine-*.c filename for this case, so we have to adjust it here.
5031     coroutine=win32
5032     ;;
5033   ucontext)
5034     if test "$ucontext_works" != "yes"; then
5035       feature_not_found "ucontext"
5036     fi
5037     ;;
5038   sigaltstack)
5039     if test "$mingw32" = "yes"; then
5040       error_exit "only the 'windows' coroutine backend is valid for Windows"
5041     fi
5042     ;;
5043   *)
5044     error_exit "unknown coroutine backend $coroutine"
5045     ;;
5046   esac
5047 fi
5048
5049 if test "$coroutine_pool" = ""; then
5050   coroutine_pool=yes
5051 fi
5052
5053 if test "$debug_stack_usage" = "yes"; then
5054   if test "$coroutine_pool" = "yes"; then
5055     echo "WARN: disabling coroutine pool for stack usage debugging"
5056     coroutine_pool=no
5057   fi
5058 fi
5059
5060
5061 ##########################################
5062 # check if we have open_by_handle_at
5063
5064 open_by_handle_at=no
5065 cat > $TMPC << EOF
5066 #include <fcntl.h>
5067 #if !defined(AT_EMPTY_PATH)
5068 # error missing definition
5069 #else
5070 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5071 #endif
5072 EOF
5073 if compile_prog "" "" ; then
5074     open_by_handle_at=yes
5075 fi
5076
5077 ########################################
5078 # check if we have linux/magic.h
5079
5080 linux_magic_h=no
5081 cat > $TMPC << EOF
5082 #include <linux/magic.h>
5083 int main(void) {
5084   return 0;
5085 }
5086 EOF
5087 if compile_prog "" "" ; then
5088     linux_magic_h=yes
5089 fi
5090
5091 ########################################
5092 # check whether we can disable warning option with a pragma (this is needed
5093 # to silence warnings in the headers of some versions of external libraries).
5094 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5095 # only a warning.
5096 #
5097 # If we can't selectively disable warning in the code, disable -Werror so that
5098 # the build doesn't fail anyway.
5099
5100 pragma_disable_unused_but_set=no
5101 cat > $TMPC << EOF
5102 #pragma GCC diagnostic push
5103 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5104 #pragma GCC diagnostic pop
5105
5106 int main(void) {
5107     return 0;
5108 }
5109 EOF
5110 if compile_prog "-Werror" "" ; then
5111     pragma_diagnostic_available=yes
5112 else
5113     werror=no
5114 fi
5115
5116 ########################################
5117 # check if we have valgrind/valgrind.h
5118
5119 valgrind_h=no
5120 cat > $TMPC << EOF
5121 #include <valgrind/valgrind.h>
5122 int main(void) {
5123   return 0;
5124 }
5125 EOF
5126 if compile_prog "" "" ; then
5127     valgrind_h=yes
5128 fi
5129
5130 ########################################
5131 # check if environ is declared
5132
5133 has_environ=no
5134 cat > $TMPC << EOF
5135 #include <unistd.h>
5136 int main(void) {
5137     environ = 0;
5138     return 0;
5139 }
5140 EOF
5141 if compile_prog "" "" ; then
5142     has_environ=yes
5143 fi
5144
5145 ########################################
5146 # check if cpuid.h is usable.
5147
5148 cat > $TMPC << EOF
5149 #include <cpuid.h>
5150 int main(void) {
5151     unsigned a, b, c, d;
5152     int max = __get_cpuid_max(0, 0);
5153
5154     if (max >= 1) {
5155         __cpuid(1, a, b, c, d);
5156     }
5157
5158     if (max >= 7) {
5159         __cpuid_count(7, 0, a, b, c, d);
5160     }
5161
5162     return 0;
5163 }
5164 EOF
5165 if compile_prog "" "" ; then
5166     cpuid_h=yes
5167 fi
5168
5169 ##########################################
5170 # avx2 optimization requirement check
5171 #
5172 # There is no point enabling this if cpuid.h is not usable,
5173 # since we won't be able to select the new routines.
5174
5175 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5176   cat > $TMPC << EOF
5177 #pragma GCC push_options
5178 #pragma GCC target("avx2")
5179 #include <cpuid.h>
5180 #include <immintrin.h>
5181 static int bar(void *a) {
5182     __m256i x = *(__m256i *)a;
5183     return _mm256_testz_si256(x, x);
5184 }
5185 int main(int argc, char *argv[]) { return bar(argv[0]); }
5186 EOF
5187   if compile_object "" ; then
5188     avx2_opt="yes"
5189   else
5190     avx2_opt="no"
5191   fi
5192 fi
5193
5194 ########################################
5195 # check if __[u]int128_t is usable.
5196
5197 int128=no
5198 cat > $TMPC << EOF
5199 __int128_t a;
5200 __uint128_t b;
5201 int main (void) {
5202   a = a + b;
5203   b = a * b;
5204   a = a * a;
5205   return 0;
5206 }
5207 EOF
5208 if compile_prog "" "" ; then
5209     int128=yes
5210 fi
5211
5212 #########################################
5213 # See if 128-bit atomic operations are supported.
5214
5215 atomic128=no
5216 if test "$int128" = "yes"; then
5217   cat > $TMPC << EOF
5218 int main(void)
5219 {
5220   unsigned __int128 x = 0, y = 0;
5221   y = __atomic_load_16(&x, 0);
5222   __atomic_store_16(&x, y, 0);
5223   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5224   return 0;
5225 }
5226 EOF
5227   if compile_prog "" "" ; then
5228     atomic128=yes
5229   fi
5230 fi
5231
5232 cmpxchg128=no
5233 if test "$int128" = yes && test "$atomic128" = no; then
5234   cat > $TMPC << EOF
5235 int main(void)
5236 {
5237   unsigned __int128 x = 0, y = 0;
5238   __sync_val_compare_and_swap_16(&x, y, x);
5239   return 0;
5240 }
5241 EOF
5242   if compile_prog "" "" ; then
5243     cmpxchg128=yes
5244   fi
5245 fi
5246
5247 #########################################
5248 # See if 64-bit atomic operations are supported.
5249 # Note that without __atomic builtins, we can only
5250 # assume atomic loads/stores max at pointer size.
5251
5252 cat > $TMPC << EOF
5253 #include <stdint.h>
5254 int main(void)
5255 {
5256   uint64_t x = 0, y = 0;
5257 #ifdef __ATOMIC_RELAXED
5258   y = __atomic_load_8(&x, 0);
5259   __atomic_store_8(&x, y, 0);
5260   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5261   __atomic_exchange_8(&x, y, 0);
5262   __atomic_fetch_add_8(&x, y, 0);
5263 #else
5264   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5265   __sync_lock_test_and_set(&x, y);
5266   __sync_val_compare_and_swap(&x, y, 0);
5267   __sync_fetch_and_add(&x, y);
5268 #endif
5269   return 0;
5270 }
5271 EOF
5272 if compile_prog "" "" ; then
5273   atomic64=yes
5274 fi
5275
5276 ########################################
5277 # See if 16-byte vector operations are supported.
5278 # Even without a vector unit the compiler may expand these.
5279 # There is a bug in old GCC for PPC that crashes here.
5280 # Unfortunately it's the system compiler for Centos 7.
5281
5282 cat > $TMPC << EOF
5283 typedef unsigned char U1 __attribute__((vector_size(16)));
5284 typedef unsigned short U2 __attribute__((vector_size(16)));
5285 typedef unsigned int U4 __attribute__((vector_size(16)));
5286 typedef unsigned long long U8 __attribute__((vector_size(16)));
5287 typedef signed char S1 __attribute__((vector_size(16)));
5288 typedef signed short S2 __attribute__((vector_size(16)));
5289 typedef signed int S4 __attribute__((vector_size(16)));
5290 typedef signed long long S8 __attribute__((vector_size(16)));
5291 static U1 a1, b1;
5292 static U2 a2, b2;
5293 static U4 a4, b4;
5294 static U8 a8, b8;
5295 static S1 c1;
5296 static S2 c2;
5297 static S4 c4;
5298 static S8 c8;
5299 static int i;
5300 void helper(void *d, void *a, int shift, int i);
5301 void helper(void *d, void *a, int shift, int i)
5302 {
5303   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5304   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5305   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5306   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5307 }
5308 int main(void)
5309 {
5310   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5311   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5312   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5313   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5314   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5315   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5316   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5317   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5318   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5319   return 0;
5320 }
5321 EOF
5322
5323 vector16=no
5324 if compile_prog "" "" ; then
5325   vector16=yes
5326 fi
5327
5328 ########################################
5329 # check if getauxval is available.
5330
5331 getauxval=no
5332 cat > $TMPC << EOF
5333 #include <sys/auxv.h>
5334 int main(void) {
5335   return getauxval(AT_HWCAP) == 0;
5336 }
5337 EOF
5338 if compile_prog "" "" ; then
5339     getauxval=yes
5340 fi
5341
5342 ########################################
5343 # check if ccache is interfering with
5344 # semantic analysis of macros
5345
5346 unset CCACHE_CPP2
5347 ccache_cpp2=no
5348 cat > $TMPC << EOF
5349 static const int Z = 1;
5350 #define fn() ({ Z; })
5351 #define TAUT(X) ((X) == Z)
5352 #define PAREN(X, Y) (X == Y)
5353 #define ID(X) (X)
5354 int main(int argc, char *argv[])
5355 {
5356     int x = 0, y = 0;
5357     x = ID(x);
5358     x = fn();
5359     fn();
5360     if (PAREN(x, y)) return 0;
5361     if (TAUT(Z)) return 0;
5362     return 0;
5363 }
5364 EOF
5365
5366 if ! compile_object "-Werror"; then
5367     ccache_cpp2=yes
5368 fi
5369
5370 #################################################
5371 # clang does not support glibc + FORTIFY_SOURCE.
5372
5373 if test "$fortify_source" != "no"; then
5374   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5375     fortify_source="no";
5376   elif test -n "$cxx" && has $cxx &&
5377        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5378     fortify_source="no";
5379   else
5380     fortify_source="yes"
5381   fi
5382 fi
5383
5384 ###############################################
5385 # Check if copy_file_range is provided by glibc
5386 have_copy_file_range=no
5387 cat > $TMPC << EOF
5388 #include <unistd.h>
5389 int main(void) {
5390   copy_file_range(0, NULL, 0, NULL, 0, 0);
5391   return 0;
5392 }
5393 EOF
5394 if compile_prog "" "" ; then
5395     have_copy_file_range=yes
5396 fi
5397
5398 ##########################################
5399 # check if struct fsxattr is available via linux/fs.h
5400
5401 have_fsxattr=no
5402 cat > $TMPC << EOF
5403 #include <linux/fs.h>
5404 struct fsxattr foo;
5405 int main(void) {
5406   return 0;
5407 }
5408 EOF
5409 if compile_prog "" "" ; then
5410     have_fsxattr=yes
5411 fi
5412
5413 ##########################################
5414 # check for usable membarrier system call
5415 if test "$membarrier" = "yes"; then
5416     have_membarrier=no
5417     if test "$mingw32" = "yes" ; then
5418         have_membarrier=yes
5419     elif test "$linux" = "yes" ; then
5420         cat > $TMPC << EOF
5421     #include <linux/membarrier.h>
5422     #include <sys/syscall.h>
5423     #include <unistd.h>
5424     #include <stdlib.h>
5425     int main(void) {
5426         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5427         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5428         exit(0);
5429     }
5430 EOF
5431         if compile_prog "" "" ; then
5432             have_membarrier=yes
5433         fi
5434     fi
5435     if test "$have_membarrier" = "no"; then
5436       feature_not_found "membarrier" "membarrier system call not available"
5437     fi
5438 else
5439     # Do not enable it by default even for Mingw32, because it doesn't
5440     # work on Wine.
5441     membarrier=no
5442 fi
5443
5444 ##########################################
5445 # check if rtnetlink.h exists and is useful
5446 have_rtnetlink=no
5447 cat > $TMPC << EOF
5448 #include <linux/rtnetlink.h>
5449 int main(void) {
5450   return IFLA_PROTO_DOWN;
5451 }
5452 EOF
5453 if compile_prog "" "" ; then
5454     have_rtnetlink=yes
5455 fi
5456
5457 ##########################################
5458 # check for usable AF_VSOCK environment
5459 have_af_vsock=no
5460 cat > $TMPC << EOF
5461 #include <errno.h>
5462 #include <sys/types.h>
5463 #include <sys/socket.h>
5464 #if !defined(AF_VSOCK)
5465 # error missing AF_VSOCK flag
5466 #endif
5467 #include <linux/vm_sockets.h>
5468 int main(void) {
5469     int sock, ret;
5470     struct sockaddr_vm svm;
5471     socklen_t len = sizeof(svm);
5472     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5473     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5474     if ((ret == -1) && (errno == ENOTCONN)) {
5475         return 0;
5476     }
5477     return -1;
5478 }
5479 EOF
5480 if compile_prog "" "" ; then
5481     have_af_vsock=yes
5482 fi
5483
5484 ##########################################
5485 # check for usable AF_ALG environment
5486 hava_afalg=no
5487 cat > $TMPC << EOF
5488 #include <errno.h>
5489 #include <sys/types.h>
5490 #include <sys/socket.h>
5491 #include <linux/if_alg.h>
5492 int main(void) {
5493     int sock;
5494     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5495     return sock;
5496 }
5497 EOF
5498 if compile_prog "" "" ; then
5499     have_afalg=yes
5500 fi
5501 if test "$crypto_afalg" = "yes"
5502 then
5503     if test "$have_afalg" != "yes"
5504     then
5505         error_exit "AF_ALG requested but could not be detected"
5506     fi
5507 fi
5508
5509
5510 #################################################
5511 # Check to see if we have the Hypervisor framework
5512 if [ "$darwin" = "yes" ] ; then
5513   cat > $TMPC << EOF
5514 #include <Hypervisor/hv.h>
5515 int main() { return 0;}
5516 EOF
5517   if ! compile_object ""; then
5518     hvf='no'
5519   else
5520     hvf='yes'
5521     LDFLAGS="-framework Hypervisor $LDFLAGS"
5522   fi
5523 fi
5524
5525 #################################################
5526 # Sparc implicitly links with --relax, which is
5527 # incompatible with -r, so --no-relax should be
5528 # given. It does no harm to give it on other
5529 # platforms too.
5530
5531 # Note: the prototype is needed since QEMU_CFLAGS
5532 #       contains -Wmissing-prototypes
5533 cat > $TMPC << EOF
5534 extern int foo(void);
5535 int foo(void) { return 0; }
5536 EOF
5537 if ! compile_object ""; then
5538   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5539 fi
5540 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5541   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5542     LD_REL_FLAGS=$i
5543     break
5544   fi
5545 done
5546 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5547   feature_not_found "modules" "Cannot find how to build relocatable objects"
5548 fi
5549
5550 ##########################################
5551 # check for sysmacros.h
5552
5553 have_sysmacros=no
5554 cat > $TMPC << EOF
5555 #include <sys/sysmacros.h>
5556 int main(void) {
5557     return makedev(0, 0);
5558 }
5559 EOF
5560 if compile_prog "" "" ; then
5561     have_sysmacros=yes
5562 fi
5563
5564 ##########################################
5565 # Veritas HyperScale block driver VxHS
5566 # Check if libvxhs is installed
5567
5568 if test "$vxhs" != "no" ; then
5569   cat > $TMPC <<EOF
5570 #include <stdint.h>
5571 #include <qnio/qnio_api.h>
5572
5573 void *vxhs_callback;
5574
5575 int main(void) {
5576     iio_init(QNIO_VERSION, vxhs_callback);
5577     return 0;
5578 }
5579 EOF
5580   vxhs_libs="-lvxhs -lssl"
5581   if compile_prog "" "$vxhs_libs" ; then
5582     vxhs=yes
5583   else
5584     if test "$vxhs" = "yes" ; then
5585       feature_not_found "vxhs block device" "Install libvxhs See github"
5586     fi
5587     vxhs=no
5588   fi
5589 fi
5590
5591 ##########################################
5592 # check for _Static_assert()
5593
5594 have_static_assert=no
5595 cat > $TMPC << EOF
5596 _Static_assert(1, "success");
5597 int main(void) {
5598     return 0;
5599 }
5600 EOF
5601 if compile_prog "" "" ; then
5602     have_static_assert=yes
5603 fi
5604
5605 ##########################################
5606 # check for utmpx.h, it is missing e.g. on OpenBSD
5607
5608 have_utmpx=no
5609 cat > $TMPC << EOF
5610 #include <utmpx.h>
5611 struct utmpx user_info;
5612 int main(void) {
5613     return 0;
5614 }
5615 EOF
5616 if compile_prog "" "" ; then
5617     have_utmpx=yes
5618 fi
5619
5620 ##########################################
5621 # checks for sanitizers
5622
5623 have_asan=no
5624 have_ubsan=no
5625 have_asan_iface_h=no
5626 have_asan_iface_fiber=no
5627
5628 if test "$sanitizers" = "yes" ; then
5629   write_c_skeleton
5630   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5631       have_asan=yes
5632   fi
5633
5634   # we could use a simple skeleton for flags checks, but this also
5635   # detect the static linking issue of ubsan, see also:
5636   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5637   cat > $TMPC << EOF
5638 #include <stdlib.h>
5639 int main(void) {
5640     void *tmp = malloc(10);
5641     return *(int *)(tmp + 2);
5642 }
5643 EOF
5644   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5645       have_ubsan=yes
5646   fi
5647
5648   if check_include "sanitizer/asan_interface.h" ; then
5649       have_asan_iface_h=yes
5650   fi
5651
5652   cat > $TMPC << EOF
5653 #include <sanitizer/asan_interface.h>
5654 int main(void) {
5655   __sanitizer_start_switch_fiber(0, 0, 0);
5656   return 0;
5657 }
5658 EOF
5659   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5660       have_asan_iface_fiber=yes
5661   fi
5662 fi
5663
5664 ##########################################
5665 # Docker and cross-compiler support
5666 #
5667 # This is specifically for building test
5668 # cases for foreign architectures, not
5669 # cross-compiling QEMU itself.
5670
5671 if has "docker"; then
5672     docker=$($python $source_path/tests/docker/docker.py probe)
5673 fi
5674
5675 ##########################################
5676 # check for libpmem
5677
5678 if test "$libpmem" != "no"; then
5679         if $pkg_config --exists "libpmem"; then
5680                 libpmem="yes"
5681                 libpmem_libs=$($pkg_config --libs libpmem)
5682                 libpmem_cflags=$($pkg_config --cflags libpmem)
5683                 libs_softmmu="$libs_softmmu $libpmem_libs"
5684                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
5685         else
5686                 if test "$libpmem" = "yes" ; then
5687                         feature_not_found "libpmem" "Install nvml or pmdk"
5688                 fi
5689                 libpmem="no"
5690         fi
5691 fi
5692
5693 ##########################################
5694 # End of CC checks
5695 # After here, no more $cc or $ld runs
5696
5697 write_c_skeleton
5698
5699 if test "$gcov" = "yes" ; then
5700   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
5701   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
5702 elif test "$fortify_source" = "yes" ; then
5703   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
5704 elif test "$debug" = "no"; then
5705   CFLAGS="-O2 $CFLAGS"
5706 fi
5707
5708 if test "$have_asan" = "yes"; then
5709   CFLAGS="-fsanitize=address $CFLAGS"
5710   if test "$have_asan_iface_h" = "no" ; then
5711       echo "ASAN build enabled, but ASAN header missing." \
5712            "Without code annotation, the report may be inferior."
5713   elif test "$have_asan_iface_fiber" = "no" ; then
5714       echo "ASAN build enabled, but ASAN header is too old." \
5715            "Without code annotation, the report may be inferior."
5716   fi
5717 fi
5718 if test "$have_ubsan" = "yes"; then
5719   CFLAGS="-fsanitize=undefined $CFLAGS"
5720 fi
5721
5722 ##########################################
5723 # Do we have libnfs
5724 if test "$libnfs" != "no" ; then
5725   if $pkg_config --atleast-version=1.9.3 libnfs; then
5726     libnfs="yes"
5727     libnfs_libs=$($pkg_config --libs libnfs)
5728   else
5729     if test "$libnfs" = "yes" ; then
5730       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5731     fi
5732     libnfs="no"
5733   fi
5734 fi
5735
5736 ##########################################
5737 # Do we have libudev
5738 if test "$libudev" != "no" ; then
5739   if $pkg_config libudev && test "$static" != "yes"; then
5740     libudev="yes"
5741     libudev_libs=$($pkg_config --libs libudev)
5742   else
5743     libudev="no"
5744   fi
5745 fi
5746
5747 # Now we've finished running tests it's OK to add -Werror to the compiler flags
5748 if test "$werror" = "yes"; then
5749     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
5750 fi
5751
5752 if test "$solaris" = "no" ; then
5753     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5754         LDFLAGS="-Wl,--warn-common $LDFLAGS"
5755     fi
5756 fi
5757
5758 # test if pod2man has --utf8 option
5759 if pod2man --help | grep -q utf8; then
5760     POD2MAN="pod2man --utf8"
5761 else
5762     POD2MAN="pod2man"
5763 fi
5764
5765 # Use ASLR, no-SEH and DEP if available
5766 if test "$mingw32" = "yes" ; then
5767     for flag in --dynamicbase --no-seh --nxcompat; do
5768         if ld_has $flag ; then
5769             LDFLAGS="-Wl,$flag $LDFLAGS"
5770         fi
5771     done
5772 fi
5773
5774 qemu_confdir=$sysconfdir$confsuffix
5775 qemu_moddir=$libdir$confsuffix
5776 qemu_datadir=$datadir$confsuffix
5777 qemu_localedir="$datadir/locale"
5778 qemu_icondir="$datadir/icons"
5779 qemu_desktopdir="$datadir/applications"
5780
5781 # We can only support ivshmem if we have eventfd
5782 if [ "$eventfd" = "yes" ]; then
5783   ivshmem=yes
5784 fi
5785
5786 tools=""
5787 if test "$want_tools" = "yes" ; then
5788   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
5789   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
5790     tools="qemu-nbd\$(EXESUF) $tools"
5791   fi
5792   if [ "$ivshmem" = "yes" ]; then
5793     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
5794   fi
5795   if [ "$curl" = "yes" ]; then
5796       tools="elf2dmp\$(EXESUF) $tools"
5797   fi
5798 fi
5799 if test "$softmmu" = yes ; then
5800   if test "$linux" = yes; then
5801     if test "$virtfs" != no && test "$cap" = yes && test "$attr" = yes ; then
5802       virtfs=yes
5803       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
5804     else
5805       if test "$virtfs" = yes; then
5806         error_exit "VirtFS requires libcap devel and libattr devel"
5807       fi
5808       virtfs=no
5809     fi
5810     if test "$mpath" != no && test "$mpathpersist" = yes ; then
5811       mpath=yes
5812     else
5813       if test "$mpath" = yes; then
5814         error_exit "Multipath requires libmpathpersist devel"
5815       fi
5816       mpath=no
5817     fi
5818     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
5819   else
5820     if test "$virtfs" = yes; then
5821       error_exit "VirtFS is supported only on Linux"
5822     fi
5823     virtfs=no
5824     if test "$mpath" = yes; then
5825       error_exit "Multipath is supported only on Linux"
5826     fi
5827     mpath=no
5828   fi
5829   if test "$xkbcommon" = "yes"; then
5830     tools="qemu-keymap\$(EXESUF) $tools"
5831   fi
5832 fi
5833
5834 # Probe for guest agent support/options
5835
5836 if [ "$guest_agent" != "no" ]; then
5837   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
5838       tools="qemu-ga $tools"
5839       guest_agent=yes
5840   elif [ "$guest_agent" != yes ]; then
5841       guest_agent=no
5842   else
5843       error_exit "Guest agent is not supported on this platform"
5844   fi
5845 fi
5846
5847 # Guest agent Window MSI  package
5848
5849 if test "$guest_agent" != yes; then
5850   if test "$guest_agent_msi" = yes; then
5851     error_exit "MSI guest agent package requires guest agent enabled"
5852   fi
5853   guest_agent_msi=no
5854 elif test "$mingw32" != "yes"; then
5855   if test "$guest_agent_msi" = "yes"; then
5856     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
5857   fi
5858   guest_agent_msi=no
5859 elif ! has wixl; then
5860   if test "$guest_agent_msi" = "yes"; then
5861     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
5862   fi
5863   guest_agent_msi=no
5864 else
5865   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
5866   # disabled explicitly
5867   if test "$guest_agent_msi" != "no"; then
5868     guest_agent_msi=yes
5869   fi
5870 fi
5871
5872 if test "$guest_agent_msi" = "yes"; then
5873   if test "$guest_agent_with_vss" = "yes"; then
5874     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
5875   fi
5876
5877   if test "$QEMU_GA_MANUFACTURER" = ""; then
5878     QEMU_GA_MANUFACTURER=QEMU
5879   fi
5880
5881   if test "$QEMU_GA_DISTRO" = ""; then
5882     QEMU_GA_DISTRO=Linux
5883   fi
5884
5885   if test "$QEMU_GA_VERSION" = ""; then
5886       QEMU_GA_VERSION=$(cat $source_path/VERSION)
5887   fi
5888
5889   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
5890
5891   case "$cpu" in
5892   x86_64)
5893     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
5894     ;;
5895   i386)
5896     QEMU_GA_MSI_ARCH="-D Arch=32"
5897     ;;
5898   *)
5899     error_exit "CPU $cpu not supported for building installation package"
5900     ;;
5901   esac
5902 fi
5903
5904 # Mac OS X ships with a broken assembler
5905 roms=
5906 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
5907         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
5908         test "$softmmu" = yes ; then
5909     # Different host OS linkers have different ideas about the name of the ELF
5910     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
5911     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
5912     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
5913         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5914             ld_i386_emulation="$emu"
5915             roms="optionrom"
5916             break
5917         fi
5918     done
5919 fi
5920 if test "$cpu" = "ppc64" && test "$targetos" != "Darwin" ; then
5921   roms="$roms spapr-rtas"
5922 fi
5923
5924 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
5925 if test "$cpu" = "s390x" ; then
5926   write_c_skeleton
5927   if compile_prog "-march=z900" ""; then
5928     roms="$roms s390-ccw"
5929   fi
5930 fi
5931
5932 # Probe for the need for relocating the user-only binary.
5933 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5934   textseg_addr=
5935   case "$cpu" in
5936     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5937       # ??? Rationale for choosing this address
5938       textseg_addr=0x60000000
5939       ;;
5940     mips)
5941       # A 256M aligned address, high in the address space, with enough
5942       # room for the code_gen_buffer above it before the stack.
5943       textseg_addr=0x60000000
5944       ;;
5945   esac
5946   if [ -n "$textseg_addr" ]; then
5947     cat > $TMPC <<EOF
5948     int main(void) { return 0; }
5949 EOF
5950     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5951     if ! compile_prog "" "$textseg_ldflags"; then
5952       # In case ld does not support -Ttext-segment, edit the default linker
5953       # script via sed to set the .text start addr.  This is needed on FreeBSD
5954       # at least.
5955       if ! $ld --verbose >/dev/null 2>&1; then
5956         error_exit \
5957             "We need to link the QEMU user mode binaries at a" \
5958             "specific text address. Unfortunately your linker" \
5959             "doesn't support either the -Ttext-segment option or" \
5960             "printing the default linker script with --verbose." \
5961             "If you don't want the user mode binaries, pass the" \
5962             "--disable-user option to configure."
5963       fi
5964
5965       $ld --verbose | sed \
5966         -e '1,/==================================================/d' \
5967         -e '/==================================================/,$d' \
5968         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5969         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5970       textseg_ldflags="-Wl,-T../config-host.ld"
5971     fi
5972   fi
5973 fi
5974
5975 # Check that the C++ compiler exists and works with the C compiler.
5976 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
5977 if has $cxx; then
5978     cat > $TMPC <<EOF
5979 int c_function(void);
5980 int main(void) { return c_function(); }
5981 EOF
5982
5983     compile_object
5984
5985     cat > $TMPCXX <<EOF
5986 extern "C" {
5987    int c_function(void);
5988 }
5989 int c_function(void) { return 42; }
5990 EOF
5991
5992     update_cxxflags
5993
5994     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
5995         # C++ compiler $cxx works ok with C compiler $cc
5996         :
5997     else
5998         echo "C++ compiler $cxx does not work with C compiler $cc"
5999         echo "Disabling C++ specific optional code"
6000         cxx=
6001     fi
6002 else
6003     echo "No C++ compiler available; disabling C++ specific optional code"
6004     cxx=
6005 fi
6006
6007 echo_version() {
6008     if test "$1" = "yes" ; then
6009         echo "($2)"
6010     fi
6011 }
6012
6013 # prepend pixman and ftd flags after all config tests are done
6014 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6015 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6016 libs_softmmu="$pixman_libs $libs_softmmu"
6017
6018 echo "Install prefix    $prefix"
6019 echo "BIOS directory    $(eval echo $qemu_datadir)"
6020 echo "firmware path     $(eval echo $firmwarepath)"
6021 echo "binary directory  $(eval echo $bindir)"
6022 echo "library directory $(eval echo $libdir)"
6023 echo "module directory  $(eval echo $qemu_moddir)"
6024 echo "libexec directory $(eval echo $libexecdir)"
6025 echo "include directory $(eval echo $includedir)"
6026 echo "config directory  $(eval echo $sysconfdir)"
6027 if test "$mingw32" = "no" ; then
6028 echo "local state directory   $(eval echo $local_statedir)"
6029 echo "Manual directory  $(eval echo $mandir)"
6030 echo "ELF interp prefix $interp_prefix"
6031 else
6032 echo "local state directory   queried at runtime"
6033 echo "Windows SDK       $win_sdk"
6034 fi
6035 echo "Source path       $source_path"
6036 echo "GIT binary        $git"
6037 echo "GIT submodules    $git_submodules"
6038 echo "C compiler        $cc"
6039 echo "Host C compiler   $host_cc"
6040 echo "C++ compiler      $cxx"
6041 echo "Objective-C compiler $objcc"
6042 echo "ARFLAGS           $ARFLAGS"
6043 echo "CFLAGS            $CFLAGS"
6044 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6045 echo "LDFLAGS           $LDFLAGS"
6046 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6047 echo "make              $make"
6048 echo "install           $install"
6049 echo "python            $python ($python_version)"
6050 if test "$slirp" = "yes" ; then
6051     echo "smbd              $smbd"
6052 fi
6053 echo "module support    $modules"
6054 echo "host CPU          $cpu"
6055 echo "host big endian   $bigendian"
6056 echo "target list       $target_list"
6057 echo "gprof enabled     $gprof"
6058 echo "sparse enabled    $sparse"
6059 echo "strip binaries    $strip_opt"
6060 echo "profiler          $profiler"
6061 echo "static build      $static"
6062 if test "$darwin" = "yes" ; then
6063     echo "Cocoa support     $cocoa"
6064 fi
6065 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6066 echo "SDL image support $sdl_image"
6067 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6068 echo "GTK GL support    $gtk_gl"
6069 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6070 echo "TLS priority      $tls_priority"
6071 echo "GNUTLS support    $gnutls"
6072 echo "libgcrypt         $gcrypt"
6073 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6074 echo "libtasn1          $tasn1"
6075 echo "curses support    $curses"
6076 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6077 echo "curl support      $curl"
6078 echo "mingw32 support   $mingw32"
6079 echo "Audio drivers     $audio_drv_list"
6080 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6081 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6082 echo "VirtFS support    $virtfs"
6083 echo "Multipath support $mpath"
6084 echo "VNC support       $vnc"
6085 if test "$vnc" = "yes" ; then
6086     echo "VNC SASL support  $vnc_sasl"
6087     echo "VNC JPEG support  $vnc_jpeg"
6088     echo "VNC PNG support   $vnc_png"
6089 fi
6090 if test -n "$sparc_cpu"; then
6091     echo "Target Sparc Arch $sparc_cpu"
6092 fi
6093 echo "xen support       $xen"
6094 if test "$xen" = "yes" ; then
6095   echo "xen ctrl version  $xen_ctrl_version"
6096 fi
6097 echo "brlapi support    $brlapi"
6098 echo "bluez  support    $bluez"
6099 echo "Documentation     $docs"
6100 echo "PIE               $pie"
6101 echo "vde support       $vde"
6102 echo "netmap support    $netmap"
6103 echo "Linux AIO support $linux_aio"
6104 echo "ATTR/XATTR support $attr"
6105 echo "Install blobs     $blobs"
6106 echo "KVM support       $kvm"
6107 echo "HAX support       $hax"
6108 echo "HVF support       $hvf"
6109 echo "WHPX support      $whpx"
6110 echo "TCG support       $tcg"
6111 if test "$tcg" = "yes" ; then
6112     echo "TCG debug enabled $debug_tcg"
6113     echo "TCG interpreter   $tcg_interpreter"
6114 fi
6115 echo "malloc trim support $malloc_trim"
6116 echo "RDMA support      $rdma"
6117 echo "PVRDMA support    $pvrdma"
6118 echo "fdt support       $fdt"
6119 echo "membarrier        $membarrier"
6120 echo "preadv support    $preadv"
6121 echo "fdatasync         $fdatasync"
6122 echo "madvise           $madvise"
6123 echo "posix_madvise     $posix_madvise"
6124 echo "posix_memalign    $posix_memalign"
6125 echo "libcap-ng support $cap_ng"
6126 echo "vhost-net support $vhost_net"
6127 echo "vhost-crypto support $vhost_crypto"
6128 echo "vhost-scsi support $vhost_scsi"
6129 echo "vhost-vsock support $vhost_vsock"
6130 echo "vhost-user support $vhost_user"
6131 echo "Trace backends    $trace_backends"
6132 if have_backend "simple"; then
6133 echo "Trace output file $trace_file-<pid>"
6134 fi
6135 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6136 echo "rbd support       $rbd"
6137 echo "xfsctl support    $xfs"
6138 echo "smartcard support $smartcard"
6139 echo "libusb            $libusb"
6140 echo "usb net redir     $usb_redir"
6141 echo "OpenGL support    $opengl"
6142 echo "OpenGL dmabufs    $opengl_dmabuf"
6143 echo "libiscsi support  $libiscsi"
6144 echo "libnfs support    $libnfs"
6145 echo "build guest agent $guest_agent"
6146 echo "QGA VSS support   $guest_agent_with_vss"
6147 echo "QGA w32 disk info $guest_agent_ntddscsi"
6148 echo "QGA MSI support   $guest_agent_msi"
6149 echo "seccomp support   $seccomp"
6150 echo "coroutine backend $coroutine"
6151 echo "coroutine pool    $coroutine_pool"
6152 echo "debug stack usage $debug_stack_usage"
6153 echo "mutex debugging   $debug_mutex"
6154 echo "crypto afalg      $crypto_afalg"
6155 echo "GlusterFS support $glusterfs"
6156 echo "gcov              $gcov_tool"
6157 echo "gcov enabled      $gcov"
6158 echo "TPM support       $tpm"
6159 echo "libssh2 support   $libssh2"
6160 echo "TPM passthrough   $tpm_passthrough"
6161 echo "TPM emulator      $tpm_emulator"
6162 echo "QOM debugging     $qom_cast_debug"
6163 echo "Live block migration $live_block_migration"
6164 echo "lzo support       $lzo"
6165 echo "snappy support    $snappy"
6166 echo "bzip2 support     $bzip2"
6167 echo "lzfse support     $lzfse"
6168 echo "NUMA host support $numa"
6169 echo "libxml2           $libxml2"
6170 echo "tcmalloc support  $tcmalloc"
6171 echo "jemalloc support  $jemalloc"
6172 echo "avx2 optimization $avx2_opt"
6173 echo "replication support $replication"
6174 echo "VxHS block device $vxhs"
6175 echo "bochs support     $bochs"
6176 echo "cloop support     $cloop"
6177 echo "dmg support       $dmg"
6178 echo "qcow v1 support   $qcow1"
6179 echo "vdi support       $vdi"
6180 echo "vvfat support     $vvfat"
6181 echo "qed support       $qed"
6182 echo "parallels support $parallels"
6183 echo "sheepdog support  $sheepdog"
6184 echo "capstone          $capstone"
6185 echo "docker            $docker"
6186 echo "libpmem support   $libpmem"
6187 echo "libudev           $libudev"
6188
6189 if test "$supported_cpu" = "no"; then
6190     echo
6191     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6192     echo
6193     echo "CPU host architecture $cpu support is not currently maintained."
6194     echo "The QEMU project intends to remove support for this host CPU in"
6195     echo "a future release if nobody volunteers to maintain it and to"
6196     echo "provide a build host for our continuous integration setup."
6197     echo "configure has succeeded and you can continue to build, but"
6198     echo "if you care about QEMU on this platform you should contact"
6199     echo "us upstream at qemu-devel@nongnu.org."
6200 fi
6201
6202 if test "$supported_os" = "no"; then
6203     echo
6204     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6205     echo
6206     echo "Host OS $targetos support is not currently maintained."
6207     echo "The QEMU project intends to remove support for this host OS in"
6208     echo "a future release if nobody volunteers to maintain it and to"
6209     echo "provide a build host for our continuous integration setup."
6210     echo "configure has succeeded and you can continue to build, but"
6211     echo "if you care about QEMU on this platform you should contact"
6212     echo "us upstream at qemu-devel@nongnu.org."
6213 fi
6214
6215 config_host_mak="config-host.mak"
6216
6217 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6218
6219 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6220 echo >> $config_host_mak
6221
6222 echo all: >> $config_host_mak
6223 echo "prefix=$prefix" >> $config_host_mak
6224 echo "bindir=$bindir" >> $config_host_mak
6225 echo "libdir=$libdir" >> $config_host_mak
6226 echo "libexecdir=$libexecdir" >> $config_host_mak
6227 echo "includedir=$includedir" >> $config_host_mak
6228 echo "mandir=$mandir" >> $config_host_mak
6229 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6230 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6231 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6232 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6233 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6234 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6235 if test "$mingw32" = "no" ; then
6236   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6237 fi
6238 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6239 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6240 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6241 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6242 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6243 echo "GIT=$git" >> $config_host_mak
6244 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6245 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6246
6247 echo "ARCH=$ARCH" >> $config_host_mak
6248
6249 if test "$debug_tcg" = "yes" ; then
6250   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6251 fi
6252 if test "$strip_opt" = "yes" ; then
6253   echo "STRIP=${strip}" >> $config_host_mak
6254 fi
6255 if test "$bigendian" = "yes" ; then
6256   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6257 fi
6258 if test "$mingw32" = "yes" ; then
6259   echo "CONFIG_WIN32=y" >> $config_host_mak
6260   rc_version=$(cat $source_path/VERSION)
6261   version_major=${rc_version%%.*}
6262   rc_version=${rc_version#*.}
6263   version_minor=${rc_version%%.*}
6264   rc_version=${rc_version#*.}
6265   version_subminor=${rc_version%%.*}
6266   version_micro=0
6267   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6268   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6269   if test "$guest_agent_with_vss" = "yes" ; then
6270     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6271     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6272     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6273   fi
6274   if test "$guest_agent_ntddscsi" = "yes" ; then
6275     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6276   fi
6277   if test "$guest_agent_msi" = "yes"; then
6278     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6279     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6280     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6281     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6282     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6283     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6284     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6285   fi
6286 else
6287   echo "CONFIG_POSIX=y" >> $config_host_mak
6288 fi
6289
6290 if test "$linux" = "yes" ; then
6291   echo "CONFIG_LINUX=y" >> $config_host_mak
6292 fi
6293
6294 if test "$darwin" = "yes" ; then
6295   echo "CONFIG_DARWIN=y" >> $config_host_mak
6296 fi
6297
6298 if test "$solaris" = "yes" ; then
6299   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6300 fi
6301 if test "$haiku" = "yes" ; then
6302   echo "CONFIG_HAIKU=y" >> $config_host_mak
6303 fi
6304 if test "$static" = "yes" ; then
6305   echo "CONFIG_STATIC=y" >> $config_host_mak
6306 fi
6307 if test "$profiler" = "yes" ; then
6308   echo "CONFIG_PROFILER=y" >> $config_host_mak
6309 fi
6310 if test "$slirp" = "yes" ; then
6311   echo "CONFIG_SLIRP=y" >> $config_host_mak
6312   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6313 fi
6314 if test "$vde" = "yes" ; then
6315   echo "CONFIG_VDE=y" >> $config_host_mak
6316   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6317 fi
6318 if test "$netmap" = "yes" ; then
6319   echo "CONFIG_NETMAP=y" >> $config_host_mak
6320 fi
6321 if test "$l2tpv3" = "yes" ; then
6322   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6323 fi
6324 if test "$cap_ng" = "yes" ; then
6325   echo "CONFIG_LIBCAP=y" >> $config_host_mak
6326 fi
6327 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6328 for drv in $audio_drv_list; do
6329     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6330     case "$drv" in
6331         alsa | oss | pa | sdl)
6332             echo "$def=m" >> $config_host_mak ;;
6333         *)
6334             echo "$def=y" >> $config_host_mak ;;
6335     esac
6336 done
6337 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6338 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6339 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6340 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6341 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6342 if test "$audio_pt_int" = "yes" ; then
6343   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
6344 fi
6345 if test "$audio_win_int" = "yes" ; then
6346   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6347 fi
6348 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6349 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6350 if test "$vnc" = "yes" ; then
6351   echo "CONFIG_VNC=y" >> $config_host_mak
6352 fi
6353 if test "$vnc_sasl" = "yes" ; then
6354   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6355 fi
6356 if test "$vnc_jpeg" = "yes" ; then
6357   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6358 fi
6359 if test "$vnc_png" = "yes" ; then
6360   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6361 fi
6362 if test "$xkbcommon" = "yes" ; then
6363   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6364   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6365 fi
6366 if test "$fnmatch" = "yes" ; then
6367   echo "CONFIG_FNMATCH=y" >> $config_host_mak
6368 fi
6369 if test "$xfs" = "yes" ; then
6370   echo "CONFIG_XFS=y" >> $config_host_mak
6371 fi
6372 qemu_version=$(head $source_path/VERSION)
6373 echo "VERSION=$qemu_version" >>$config_host_mak
6374 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6375 echo "SRC_PATH=$source_path" >> $config_host_mak
6376 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6377 if [ "$docs" = "yes" ] ; then
6378   echo "BUILD_DOCS=yes" >> $config_host_mak
6379 fi
6380 if test "$modules" = "yes"; then
6381   # $shacmd can generate a hash started with digit, which the compiler doesn't
6382   # like as an symbol. So prefix it with an underscore
6383   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6384   echo "CONFIG_MODULES=y" >> $config_host_mak
6385 fi
6386 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6387   echo "CONFIG_X11=y" >> $config_host_mak
6388   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6389   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6390 fi
6391 if test "$sdl" = "yes" ; then
6392   echo "CONFIG_SDL=m" >> $config_host_mak
6393   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6394   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6395   if test "$sdl_image" = "yes" ; then
6396       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6397   fi
6398 fi
6399 if test "$cocoa" = "yes" ; then
6400   echo "CONFIG_COCOA=y" >> $config_host_mak
6401 fi
6402 if test "$curses" = "yes" ; then
6403   echo "CONFIG_CURSES=m" >> $config_host_mak
6404   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6405   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6406 fi
6407 if test "$pipe2" = "yes" ; then
6408   echo "CONFIG_PIPE2=y" >> $config_host_mak
6409 fi
6410 if test "$accept4" = "yes" ; then
6411   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6412 fi
6413 if test "$splice" = "yes" ; then
6414   echo "CONFIG_SPLICE=y" >> $config_host_mak
6415 fi
6416 if test "$eventfd" = "yes" ; then
6417   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6418 fi
6419 if test "$memfd" = "yes" ; then
6420   echo "CONFIG_MEMFD=y" >> $config_host_mak
6421 fi
6422 if test "$have_usbfs" = "yes" ; then
6423   echo "CONFIG_USBFS=y" >> $config_host_mak
6424 fi
6425 if test "$fallocate" = "yes" ; then
6426   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6427 fi
6428 if test "$fallocate_punch_hole" = "yes" ; then
6429   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6430 fi
6431 if test "$fallocate_zero_range" = "yes" ; then
6432   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6433 fi
6434 if test "$posix_fallocate" = "yes" ; then
6435   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6436 fi
6437 if test "$sync_file_range" = "yes" ; then
6438   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6439 fi
6440 if test "$fiemap" = "yes" ; then
6441   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6442 fi
6443 if test "$dup3" = "yes" ; then
6444   echo "CONFIG_DUP3=y" >> $config_host_mak
6445 fi
6446 if test "$ppoll" = "yes" ; then
6447   echo "CONFIG_PPOLL=y" >> $config_host_mak
6448 fi
6449 if test "$prctl_pr_set_timerslack" = "yes" ; then
6450   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6451 fi
6452 if test "$epoll" = "yes" ; then
6453   echo "CONFIG_EPOLL=y" >> $config_host_mak
6454 fi
6455 if test "$epoll_create1" = "yes" ; then
6456   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6457 fi
6458 if test "$sendfile" = "yes" ; then
6459   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6460 fi
6461 if test "$timerfd" = "yes" ; then
6462   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6463 fi
6464 if test "$setns" = "yes" ; then
6465   echo "CONFIG_SETNS=y" >> $config_host_mak
6466 fi
6467 if test "$clock_adjtime" = "yes" ; then
6468   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6469 fi
6470 if test "$syncfs" = "yes" ; then
6471   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6472 fi
6473 if test "$inotify" = "yes" ; then
6474   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6475 fi
6476 if test "$inotify1" = "yes" ; then
6477   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6478 fi
6479 if test "$sem_timedwait" = "yes" ; then
6480   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6481 fi
6482 if test "$strchrnul" = "yes" ; then
6483   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6484 fi
6485 if test "$byteswap_h" = "yes" ; then
6486   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6487 fi
6488 if test "$bswap_h" = "yes" ; then
6489   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6490 fi
6491 if test "$curl" = "yes" ; then
6492   echo "CONFIG_CURL=m" >> $config_host_mak
6493   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6494   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6495 fi
6496 if test "$brlapi" = "yes" ; then
6497   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6498   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6499 fi
6500 if test "$bluez" = "yes" ; then
6501   echo "CONFIG_BLUEZ=y" >> $config_host_mak
6502   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
6503 fi
6504 if test "$gtk" = "yes" ; then
6505   echo "CONFIG_GTK=m" >> $config_host_mak
6506   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6507   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6508   if test "$gtk_gl" = "yes" ; then
6509     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6510   fi
6511 fi
6512 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6513 if test "$gnutls" = "yes" ; then
6514   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6515 fi
6516 if test "$gcrypt" = "yes" ; then
6517   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6518   if test "$gcrypt_hmac" = "yes" ; then
6519     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6520   fi
6521 fi
6522 if test "$nettle" = "yes" ; then
6523   echo "CONFIG_NETTLE=y" >> $config_host_mak
6524   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6525 fi
6526 if test "$tasn1" = "yes" ; then
6527   echo "CONFIG_TASN1=y" >> $config_host_mak
6528 fi
6529 if test "$have_ifaddrs_h" = "yes" ; then
6530     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6531 fi
6532 if test "$have_broken_size_max" = "yes" ; then
6533     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6534 fi
6535
6536 # Work around a system header bug with some kernel/XFS header
6537 # versions where they both try to define 'struct fsxattr':
6538 # xfs headers will not try to redefine structs from linux headers
6539 # if this macro is set.
6540 if test "$have_fsxattr" = "yes" ; then
6541     echo "HAVE_FSXATTR=y" >> $config_host_mak
6542 fi
6543 if test "$have_copy_file_range" = "yes" ; then
6544     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6545 fi
6546 if test "$vte" = "yes" ; then
6547   echo "CONFIG_VTE=y" >> $config_host_mak
6548   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6549   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6550 fi
6551 if test "$virglrenderer" = "yes" ; then
6552   echo "CONFIG_VIRGL=y" >> $config_host_mak
6553   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6554   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6555 fi
6556 if test "$xen" = "yes" ; then
6557   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6558   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6559 fi
6560 if test "$linux_aio" = "yes" ; then
6561   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6562 fi
6563 if test "$attr" = "yes" ; then
6564   echo "CONFIG_ATTR=y" >> $config_host_mak
6565 fi
6566 if test "$libattr" = "yes" ; then
6567   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6568 fi
6569 if test "$virtfs" = "yes" ; then
6570   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6571 fi
6572 if test "$mpath" = "yes" ; then
6573   echo "CONFIG_MPATH=y" >> $config_host_mak
6574   if test "$mpathpersist_new_api" = "yes"; then
6575     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6576   fi
6577 fi
6578 if test "$vhost_scsi" = "yes" ; then
6579   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6580 fi
6581 if test "$vhost_net" = "yes" && test "$vhost_user" = "yes"; then
6582   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
6583 fi
6584 if test "$vhost_crypto" = "yes" ; then
6585   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6586 fi
6587 if test "$vhost_vsock" = "yes" ; then
6588   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6589 fi
6590 if test "$vhost_user" = "yes" ; then
6591   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6592 fi
6593 if test "$blobs" = "yes" ; then
6594   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6595 fi
6596 if test "$iovec" = "yes" ; then
6597   echo "CONFIG_IOVEC=y" >> $config_host_mak
6598 fi
6599 if test "$preadv" = "yes" ; then
6600   echo "CONFIG_PREADV=y" >> $config_host_mak
6601 fi
6602 if test "$fdt" != "no" ; then
6603   echo "CONFIG_FDT=y" >> $config_host_mak
6604 fi
6605 if test "$membarrier" = "yes" ; then
6606   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6607 fi
6608 if test "$signalfd" = "yes" ; then
6609   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6610 fi
6611 if test "$optreset" = "yes" ; then
6612   echo "HAVE_OPTRESET=y" >> $config_host_mak
6613 fi
6614 if test "$tcg" = "yes"; then
6615   echo "CONFIG_TCG=y" >> $config_host_mak
6616   if test "$tcg_interpreter" = "yes" ; then
6617     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6618   fi
6619 fi
6620 if test "$fdatasync" = "yes" ; then
6621   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6622 fi
6623 if test "$madvise" = "yes" ; then
6624   echo "CONFIG_MADVISE=y" >> $config_host_mak
6625 fi
6626 if test "$posix_madvise" = "yes" ; then
6627   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6628 fi
6629 if test "$posix_memalign" = "yes" ; then
6630   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6631 fi
6632
6633 if test "$spice" = "yes" ; then
6634   echo "CONFIG_SPICE=y" >> $config_host_mak
6635 fi
6636
6637 if test "$smartcard" = "yes" ; then
6638   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6639   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6640   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6641 fi
6642
6643 if test "$libusb" = "yes" ; then
6644   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6645   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6646   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6647 fi
6648
6649 if test "$usb_redir" = "yes" ; then
6650   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6651   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6652   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6653 fi
6654
6655 if test "$opengl" = "yes" ; then
6656   echo "CONFIG_OPENGL=y" >> $config_host_mak
6657   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6658   if test "$opengl_dmabuf" = "yes" ; then
6659     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6660   fi
6661 fi
6662
6663 if test "$malloc_trim" = "yes" ; then
6664   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
6665 fi
6666
6667 if test "$avx2_opt" = "yes" ; then
6668   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6669 fi
6670
6671 if test "$lzo" = "yes" ; then
6672   echo "CONFIG_LZO=y" >> $config_host_mak
6673 fi
6674
6675 if test "$snappy" = "yes" ; then
6676   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6677 fi
6678
6679 if test "$bzip2" = "yes" ; then
6680   echo "CONFIG_BZIP2=y" >> $config_host_mak
6681   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6682 fi
6683
6684 if test "$lzfse" = "yes" ; then
6685   echo "CONFIG_LZFSE=y" >> $config_host_mak
6686   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6687 fi
6688
6689 if test "$libiscsi" = "yes" ; then
6690   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
6691   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6692   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6693 fi
6694
6695 if test "$libnfs" = "yes" ; then
6696   echo "CONFIG_LIBNFS=m" >> $config_host_mak
6697   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6698 fi
6699
6700 if test "$seccomp" = "yes"; then
6701   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6702   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6703   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6704 fi
6705
6706 # XXX: suppress that
6707 if [ "$bsd" = "yes" ] ; then
6708   echo "CONFIG_BSD=y" >> $config_host_mak
6709 fi
6710
6711 if test "$localtime_r" = "yes" ; then
6712   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6713 fi
6714 if test "$qom_cast_debug" = "yes" ; then
6715   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6716 fi
6717 if test "$rbd" = "yes" ; then
6718   echo "CONFIG_RBD=m" >> $config_host_mak
6719   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
6720   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6721 fi
6722
6723 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6724 if test "$coroutine_pool" = "yes" ; then
6725   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6726 else
6727   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6728 fi
6729
6730 if test "$debug_stack_usage" = "yes" ; then
6731   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6732 fi
6733
6734 if test "$crypto_afalg" = "yes" ; then
6735   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6736 fi
6737
6738 if test "$open_by_handle_at" = "yes" ; then
6739   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6740 fi
6741
6742 if test "$linux_magic_h" = "yes" ; then
6743   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6744 fi
6745
6746 if test "$pragma_diagnostic_available" = "yes" ; then
6747   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
6748 fi
6749
6750 if test "$valgrind_h" = "yes" ; then
6751   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6752 fi
6753
6754 if test "$have_asan_iface_fiber" = "yes" ; then
6755     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6756 fi
6757
6758 if test "$has_environ" = "yes" ; then
6759   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6760 fi
6761
6762 if test "$cpuid_h" = "yes" ; then
6763   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6764 fi
6765
6766 if test "$int128" = "yes" ; then
6767   echo "CONFIG_INT128=y" >> $config_host_mak
6768 fi
6769
6770 if test "$atomic128" = "yes" ; then
6771   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6772 fi
6773
6774 if test "$cmpxchg128" = "yes" ; then
6775   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6776 fi
6777
6778 if test "$atomic64" = "yes" ; then
6779   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6780 fi
6781
6782 if test "$vector16" = "yes" ; then
6783   echo "CONFIG_VECTOR16=y" >> $config_host_mak
6784 fi
6785
6786 if test "$getauxval" = "yes" ; then
6787   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6788 fi
6789
6790 if test "$glusterfs" = "yes" ; then
6791   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
6792   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6793   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6794 fi
6795
6796 if test "$glusterfs_xlator_opt" = "yes" ; then
6797   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6798 fi
6799
6800 if test "$glusterfs_discard" = "yes" ; then
6801   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6802 fi
6803
6804 if test "$glusterfs_fallocate" = "yes" ; then
6805   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6806 fi
6807
6808 if test "$glusterfs_zerofill" = "yes" ; then
6809   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6810 fi
6811
6812 if test "$libssh2" = "yes" ; then
6813   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
6814   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
6815   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
6816 fi
6817
6818 if test "$live_block_migration" = "yes" ; then
6819   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6820 fi
6821
6822 if test "$tpm" = "yes"; then
6823   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
6824   # TPM passthrough support?
6825   if test "$tpm_passthrough" = "yes"; then
6826     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
6827   fi
6828   # TPM emulator support?
6829   if test "$tpm_emulator" = "yes"; then
6830     echo "CONFIG_TPM_EMULATOR=y" >> $config_host_mak
6831   fi
6832 fi
6833
6834 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6835 if have_backend "nop"; then
6836   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6837 fi
6838 if have_backend "simple"; then
6839   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6840   # Set the appropriate trace file.
6841   trace_file="\"$trace_file-\" FMT_pid"
6842 fi
6843 if have_backend "log"; then
6844   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6845 fi
6846 if have_backend "ust"; then
6847   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6848 fi
6849 if have_backend "dtrace"; then
6850   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6851   if test "$trace_backend_stap" = "yes" ; then
6852     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6853   fi
6854 fi
6855 if have_backend "ftrace"; then
6856   if test "$linux" = "yes" ; then
6857     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6858   else
6859     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6860   fi
6861 fi
6862 if have_backend "syslog"; then
6863   if test "$posix_syslog" = "yes" ; then
6864     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6865   else
6866     feature_not_found "syslog(trace backend)" "syslog not available"
6867   fi
6868 fi
6869 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6870
6871 if test "$rdma" = "yes" ; then
6872   echo "CONFIG_RDMA=y" >> $config_host_mak
6873   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6874 fi
6875
6876 if test "$pvrdma" = "yes" ; then
6877   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6878 fi
6879
6880 if test "$have_rtnetlink" = "yes" ; then
6881   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6882 fi
6883
6884 if test "$libxml2" = "yes" ; then
6885   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6886   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6887   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6888 fi
6889
6890 if test "$replication" = "yes" ; then
6891   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6892 fi
6893
6894 if test "$have_af_vsock" = "yes" ; then
6895   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6896 fi
6897
6898 if test "$have_sysmacros" = "yes" ; then
6899   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6900 fi
6901
6902 if test "$have_static_assert" = "yes" ; then
6903   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6904 fi
6905
6906 if test "$have_utmpx" = "yes" ; then
6907   echo "HAVE_UTMPX=y" >> $config_host_mak
6908 fi
6909
6910 if test "$ivshmem" = "yes" ; then
6911   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6912 fi
6913 if test "$capstone" != "no" ; then
6914   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
6915 fi
6916 if test "$debug_mutex" = "yes" ; then
6917   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6918 fi
6919
6920 # Hold two types of flag:
6921 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6922 #                                     a thread we have a handle to
6923 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6924 #                                     platform
6925 if test "$pthread_setname_np_w_tid" = "yes" ; then
6926   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6927   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6928 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6929   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6930   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6931 fi
6932
6933 if test "$vxhs" = "yes" ; then
6934   echo "CONFIG_VXHS=y" >> $config_host_mak
6935   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
6936 fi
6937
6938 if test "$libpmem" = "yes" ; then
6939   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6940 fi
6941
6942 if test "$bochs" = "yes" ; then
6943   echo "CONFIG_BOCHS=y" >> $config_host_mak
6944 fi
6945 if test "$cloop" = "yes" ; then
6946   echo "CONFIG_CLOOP=y" >> $config_host_mak
6947 fi
6948 if test "$dmg" = "yes" ; then
6949   echo "CONFIG_DMG=y" >> $config_host_mak
6950 fi
6951 if test "$qcow1" = "yes" ; then
6952   echo "CONFIG_QCOW1=y" >> $config_host_mak
6953 fi
6954 if test "$vdi" = "yes" ; then
6955   echo "CONFIG_VDI=y" >> $config_host_mak
6956 fi
6957 if test "$vvfat" = "yes" ; then
6958   echo "CONFIG_VVFAT=y" >> $config_host_mak
6959 fi
6960 if test "$qed" = "yes" ; then
6961   echo "CONFIG_QED=y" >> $config_host_mak
6962 fi
6963 if test "$parallels" = "yes" ; then
6964   echo "CONFIG_PARALLELS=y" >> $config_host_mak
6965 fi
6966 if test "$sheepdog" = "yes" ; then
6967   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6968 fi
6969
6970 if test "$tcg_interpreter" = "yes"; then
6971   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
6972 elif test "$ARCH" = "sparc64" ; then
6973   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
6974 elif test "$ARCH" = "s390x" ; then
6975   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
6976 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
6977   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
6978 elif test "$ARCH" = "ppc64" ; then
6979   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
6980 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
6981   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
6982 else
6983   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
6984 fi
6985 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
6986
6987 echo "TOOLS=$tools" >> $config_host_mak
6988 echo "ROMS=$roms" >> $config_host_mak
6989 echo "MAKE=$make" >> $config_host_mak
6990 echo "INSTALL=$install" >> $config_host_mak
6991 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
6992 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
6993 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
6994 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
6995 echo "PYTHON=$python" >> $config_host_mak
6996 echo "PYTHON_VERSION=$python_version" >> $config_host_mak
6997 echo "CC=$cc" >> $config_host_mak
6998 if $iasl -h > /dev/null 2>&1; then
6999   echo "IASL=$iasl" >> $config_host_mak
7000 fi
7001 echo "HOST_CC=$host_cc" >> $config_host_mak
7002 echo "CXX=$cxx" >> $config_host_mak
7003 echo "OBJCC=$objcc" >> $config_host_mak
7004 echo "AR=$ar" >> $config_host_mak
7005 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7006 echo "AS=$as" >> $config_host_mak
7007 echo "CCAS=$ccas" >> $config_host_mak
7008 echo "CPP=$cpp" >> $config_host_mak
7009 echo "OBJCOPY=$objcopy" >> $config_host_mak
7010 echo "LD=$ld" >> $config_host_mak
7011 echo "RANLIB=$ranlib" >> $config_host_mak
7012 echo "NM=$nm" >> $config_host_mak
7013 echo "WINDRES=$windres" >> $config_host_mak
7014 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7015 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7016 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7017 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7018 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7019 if test "$sparse" = "yes" ; then
7020   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7021   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7022   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7023   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7024   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7025 fi
7026 if test "$cross_prefix" != ""; then
7027   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
7028 else
7029   echo "AUTOCONF_HOST := "                             >> $config_host_mak
7030 fi
7031 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7032 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7033 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7034 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7035 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7036 echo "LIBS+=$LIBS" >> $config_host_mak
7037 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7038 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7039 echo "EXESUF=$EXESUF" >> $config_host_mak
7040 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7041 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7042 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7043 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7044 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7045 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7046 if test "$gcov" = "yes" ; then
7047   echo "CONFIG_GCOV=y" >> $config_host_mak
7048   echo "GCOV=$gcov_tool" >> $config_host_mak
7049 fi
7050
7051 if test "$docker" != "no"; then
7052     echo "HAVE_USER_DOCKER=y" >> $config_host_mak
7053 fi
7054
7055 if test "$libudev" != "no"; then
7056     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7057     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7058 fi
7059
7060 # use included Linux headers
7061 if test "$linux" = "yes" ; then
7062   mkdir -p linux-headers
7063   case "$cpu" in
7064   i386|x86_64|x32)
7065     linux_arch=x86
7066     ;;
7067   ppc|ppc64)
7068     linux_arch=powerpc
7069     ;;
7070   s390x)
7071     linux_arch=s390
7072     ;;
7073   aarch64)
7074     linux_arch=arm64
7075     ;;
7076   mips64)
7077     linux_arch=mips
7078     ;;
7079   *)
7080     # For most CPUs the kernel architecture name and QEMU CPU name match.
7081     linux_arch="$cpu"
7082     ;;
7083   esac
7084     # For non-KVM architectures we will not have asm headers
7085     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7086       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7087     fi
7088 fi
7089
7090 for target in $target_list; do
7091 target_dir="$target"
7092 config_target_mak=$target_dir/config-target.mak
7093 target_name=$(echo $target | cut -d '-' -f 1)
7094 target_bigendian="no"
7095
7096 case "$target_name" in
7097   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7098   target_bigendian=yes
7099   ;;
7100 esac
7101 target_softmmu="no"
7102 target_user_only="no"
7103 target_linux_user="no"
7104 target_bsd_user="no"
7105 case "$target" in
7106   ${target_name}-softmmu)
7107     target_softmmu="yes"
7108     ;;
7109   ${target_name}-linux-user)
7110     target_user_only="yes"
7111     target_linux_user="yes"
7112     ;;
7113   ${target_name}-bsd-user)
7114     target_user_only="yes"
7115     target_bsd_user="yes"
7116     ;;
7117   *)
7118     error_exit "Target '$target' not recognised"
7119     exit 1
7120     ;;
7121 esac
7122
7123 target_compiler=""
7124 target_compiler_static=""
7125 target_compiler_cflags=""
7126
7127 mkdir -p $target_dir
7128 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7129
7130 bflt="no"
7131 mttcg="no"
7132 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7133 gdb_xml_files=""
7134
7135 TARGET_ARCH="$target_name"
7136 TARGET_BASE_ARCH=""
7137 TARGET_ABI_DIR=""
7138
7139 case "$target_name" in
7140   i386)
7141     mttcg="yes"
7142         gdb_xml_files="i386-32bit.xml"
7143     target_compiler=$cross_cc_i386
7144     target_compiler_cflags=$cross_cc_ccflags_i386
7145   ;;
7146   x86_64)
7147     TARGET_BASE_ARCH=i386
7148     mttcg="yes"
7149         gdb_xml_files="i386-64bit.xml"
7150     target_compiler=$cross_cc_x86_64
7151   ;;
7152   alpha)
7153     mttcg="yes"
7154     target_compiler=$cross_cc_alpha
7155   ;;
7156   arm|armeb)
7157     TARGET_ARCH=arm
7158     bflt="yes"
7159     mttcg="yes"
7160     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7161     target_compiler=$cross_cc_arm
7162     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7163   ;;
7164   aarch64|aarch64_be)
7165     TARGET_ARCH=aarch64
7166     TARGET_BASE_ARCH=arm
7167     bflt="yes"
7168     mttcg="yes"
7169     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7170     target_compiler=$cross_cc_aarch64
7171     eval "target_compiler_cflags=\$cross_cc_cflags_${target_name}"
7172   ;;
7173   cris)
7174     target_compiler=$cross_cc_cris
7175   ;;
7176   hppa)
7177     mttcg="yes"
7178     target_compiler=$cross_cc_hppa
7179   ;;
7180   lm32)
7181     target_compiler=$cross_cc_lm32
7182   ;;
7183   m68k)
7184     bflt="yes"
7185     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7186     target_compiler=$cross_cc_m68k
7187   ;;
7188   microblaze|microblazeel)
7189     TARGET_ARCH=microblaze
7190     bflt="yes"
7191     echo "TARGET_ABI32=y" >> $config_target_mak
7192     target_compiler=$cross_cc_microblaze
7193   ;;
7194   mips|mipsel)
7195     mttcg="yes"
7196     TARGET_ARCH=mips
7197     target_compiler=$cross_cc_mips
7198     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7199   ;;
7200   mipsn32|mipsn32el)
7201     mttcg="yes"
7202     TARGET_ARCH=mips64
7203     TARGET_BASE_ARCH=mips
7204     target_compiler=$cross_cc_mipsn32
7205     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7206     echo "TARGET_ABI32=y" >> $config_target_mak
7207   ;;
7208   mips64|mips64el)
7209     mttcg="yes"
7210     TARGET_ARCH=mips64
7211     TARGET_BASE_ARCH=mips
7212     target_compiler=$cross_cc_mips64
7213     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7214   ;;
7215   moxie)
7216     target_compiler=$cross_cc_moxie
7217   ;;
7218   nios2)
7219     target_compiler=$cross_cc_nios2
7220   ;;
7221   or1k)
7222     target_compiler=$cross_cc_or1k
7223     TARGET_ARCH=openrisc
7224     TARGET_BASE_ARCH=openrisc
7225   ;;
7226   ppc)
7227     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7228     target_compiler=$cross_cc_powerpc
7229   ;;
7230   ppc64)
7231     TARGET_BASE_ARCH=ppc
7232     TARGET_ABI_DIR=ppc
7233     mttcg=yes
7234     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7235     target_compiler=$cross_cc_ppc64
7236   ;;
7237   ppc64le)
7238     TARGET_ARCH=ppc64
7239     TARGET_BASE_ARCH=ppc
7240     TARGET_ABI_DIR=ppc
7241     mttcg=yes
7242     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7243     target_compiler=$cross_cc_ppc64le
7244   ;;
7245   ppc64abi32)
7246     TARGET_ARCH=ppc64
7247     TARGET_BASE_ARCH=ppc
7248     TARGET_ABI_DIR=ppc
7249     echo "TARGET_ABI32=y" >> $config_target_mak
7250     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7251     target_compiler=$cross_cc_ppc64abi32
7252   ;;
7253   riscv32)
7254     TARGET_BASE_ARCH=riscv
7255     TARGET_ABI_DIR=riscv
7256     mttcg=yes
7257     target_compiler=$cross_cc_riscv32
7258   ;;
7259   riscv64)
7260     TARGET_BASE_ARCH=riscv
7261     TARGET_ABI_DIR=riscv
7262     mttcg=yes
7263     target_compiler=$cross_cc_riscv64
7264   ;;
7265   sh4|sh4eb)
7266     TARGET_ARCH=sh4
7267     bflt="yes"
7268     target_compiler=$cross_cc_sh4
7269   ;;
7270   sparc)
7271     target_compiler=$cross_cc_sparc
7272   ;;
7273   sparc64)
7274     TARGET_BASE_ARCH=sparc
7275     target_compiler=$cross_cc_sparc64
7276   ;;
7277   sparc32plus)
7278     TARGET_ARCH=sparc64
7279     TARGET_BASE_ARCH=sparc
7280     TARGET_ABI_DIR=sparc
7281     target_compiler=$cross_cc_sparc32plus
7282     echo "TARGET_ABI32=y" >> $config_target_mak
7283   ;;
7284   s390x)
7285     mttcg=yes
7286     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7287     target_compiler=$cross_cc_s390x
7288   ;;
7289   tilegx)
7290     target_compiler=$cross_cc_tilegx
7291   ;;
7292   tricore)
7293     target_compiler=$cross_cc_tricore
7294   ;;
7295   unicore32)
7296     target_compiler=$cross_cc_unicore32
7297   ;;
7298   xtensa|xtensaeb)
7299     TARGET_ARCH=xtensa
7300     bflt="yes"
7301     mttcg="yes"
7302     target_compiler=$cross_cc_xtensa
7303   ;;
7304   *)
7305     error_exit "Unsupported target CPU"
7306   ;;
7307 esac
7308 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7309 if [ "$TARGET_BASE_ARCH" = "" ]; then
7310   TARGET_BASE_ARCH=$TARGET_ARCH
7311 fi
7312
7313 # Do we have a cross compiler for this target?
7314 if has $target_compiler; then
7315
7316     write_c_skeleton
7317
7318     if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC -static ; then
7319         # For host systems we might get away with building without -static
7320         if ! do_compiler "$target_compiler" $target_compiler_cflags -o $TMPE $TMPC ; then
7321             target_compiler=""
7322         else
7323             enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7324             target_compiler_static="n"
7325         fi
7326     else
7327         enabled_cross_compilers="${enabled_cross_compilers} '${target_compiler}'"
7328         target_compiler_static="y"
7329     fi
7330 else
7331     target_compiler=""
7332 fi
7333
7334 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7335
7336 upper() {
7337     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7338 }
7339
7340 target_arch_name="$(upper $TARGET_ARCH)"
7341 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7342 echo "TARGET_NAME=$target_name" >> $config_target_mak
7343 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7344 if [ "$TARGET_ABI_DIR" = "" ]; then
7345   TARGET_ABI_DIR=$TARGET_ARCH
7346 fi
7347 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7348 if [ "$HOST_VARIANT_DIR" != "" ]; then
7349     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7350 fi
7351
7352 if supported_xen_target $target; then
7353     echo "CONFIG_XEN=y" >> $config_target_mak
7354     if test "$xen_pci_passthrough" = yes; then
7355         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7356     fi
7357 fi
7358 if supported_kvm_target $target; then
7359     echo "CONFIG_KVM=y" >> $config_target_mak
7360     if test "$vhost_net" = "yes" ; then
7361         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
7362         if test "$vhost_user" = "yes" ; then
7363             echo "CONFIG_VHOST_USER_NET_TEST_$target_name=y" >> $config_host_mak
7364         fi
7365     fi
7366 fi
7367 if supported_hax_target $target; then
7368     echo "CONFIG_HAX=y" >> $config_target_mak
7369 fi
7370 if supported_hvf_target $target; then
7371     echo "CONFIG_HVF=y" >> $config_target_mak
7372 fi
7373 if supported_whpx_target $target; then
7374     echo "CONFIG_WHPX=y" >> $config_target_mak
7375 fi
7376 if test "$target_bigendian" = "yes" ; then
7377   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7378 fi
7379 if test "$target_softmmu" = "yes" ; then
7380   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7381   if test "$mttcg" = "yes" ; then
7382     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7383   fi
7384 fi
7385 if test "$target_user_only" = "yes" ; then
7386   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7387   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7388 fi
7389 if test "$target_linux_user" = "yes" ; then
7390   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7391 fi
7392 list=""
7393 if test ! -z "$gdb_xml_files" ; then
7394   for x in $gdb_xml_files; do
7395     list="$list $source_path/gdb-xml/$x"
7396   done
7397   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7398 fi
7399
7400 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7401   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7402 fi
7403 if test "$target_bsd_user" = "yes" ; then
7404   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7405 fi
7406
7407 if test -n "$target_compiler"; then
7408   echo "CROSS_CC_GUEST=\"$target_compiler\"" >> $config_target_mak
7409
7410   if test -n "$target_compiler_static"; then
7411       echo "CROSS_CC_GUEST_STATIC=$target_compiler_static" >> $config_target_mak
7412   fi
7413
7414   if test -n "$target_compiler_cflags"; then
7415       echo "CROSS_CC_GUEST_CFLAGS=$target_compiler_cflags" >> $config_target_mak
7416   fi
7417 fi
7418
7419
7420 # generate QEMU_CFLAGS/LDFLAGS for targets
7421
7422 cflags=""
7423 ldflags=""
7424
7425 disas_config() {
7426   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7427   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7428 }
7429
7430 for i in $ARCH $TARGET_BASE_ARCH ; do
7431   case "$i" in
7432   alpha)
7433     disas_config "ALPHA"
7434   ;;
7435   aarch64)
7436     if test -n "${cxx}"; then
7437       disas_config "ARM_A64"
7438     fi
7439   ;;
7440   arm)
7441     disas_config "ARM"
7442     if test -n "${cxx}"; then
7443       disas_config "ARM_A64"
7444     fi
7445   ;;
7446   cris)
7447     disas_config "CRIS"
7448   ;;
7449   hppa)
7450     disas_config "HPPA"
7451   ;;
7452   i386|x86_64|x32)
7453     disas_config "I386"
7454   ;;
7455   lm32)
7456     disas_config "LM32"
7457   ;;
7458   m68k)
7459     disas_config "M68K"
7460   ;;
7461   microblaze*)
7462     disas_config "MICROBLAZE"
7463   ;;
7464   mips*)
7465     disas_config "MIPS"
7466     if test -n "${cxx}"; then
7467       disas_config "NANOMIPS"
7468     fi
7469   ;;
7470   moxie*)
7471     disas_config "MOXIE"
7472   ;;
7473   nios2)
7474     disas_config "NIOS2"
7475   ;;
7476   or1k)
7477     disas_config "OPENRISC"
7478   ;;
7479   ppc*)
7480     disas_config "PPC"
7481   ;;
7482   riscv*)
7483     disas_config "RISCV"
7484   ;;
7485   s390*)
7486     disas_config "S390"
7487   ;;
7488   sh4)
7489     disas_config "SH4"
7490   ;;
7491   sparc*)
7492     disas_config "SPARC"
7493   ;;
7494   xtensa*)
7495     disas_config "XTENSA"
7496   ;;
7497   esac
7498 done
7499 if test "$tcg_interpreter" = "yes" ; then
7500   disas_config "TCI"
7501 fi
7502
7503 case "$ARCH" in
7504 alpha)
7505   # Ensure there's only a single GP
7506   cflags="-msmall-data $cflags"
7507 ;;
7508 esac
7509
7510 if test "$gprof" = "yes" ; then
7511   echo "TARGET_GPROF=y" >> $config_target_mak
7512   if test "$target_linux_user" = "yes" ; then
7513     cflags="-p $cflags"
7514     ldflags="-p $ldflags"
7515   fi
7516   if test "$target_softmmu" = "yes" ; then
7517     ldflags="-p $ldflags"
7518     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7519   fi
7520 fi
7521
7522 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7523   ldflags="$ldflags $textseg_ldflags"
7524 fi
7525
7526 # Newer kernels on s390 check for an S390_PGSTE program header and
7527 # enable the pgste page table extensions in that case. This makes
7528 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7529 # header if
7530 #  - we build on s390x
7531 #  - we build the system emulation for s390x (qemu-system-s390x)
7532 #  - KVM is enabled
7533 #  - the linker supports --s390-pgste
7534 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7535         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7536     if ld_has --s390-pgste ; then
7537         ldflags="-Wl,--s390-pgste $ldflags"
7538     fi
7539 fi
7540
7541 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7542 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7543
7544 done # for target in $targets
7545
7546 if test -n "$enabled_cross_compilers"; then
7547     echo
7548     echo "NOTE: cross-compilers enabled: $enabled_cross_compilers"
7549 fi
7550
7551 if [ "$fdt" = "git" ]; then
7552   echo "config-host.h: subdir-dtc" >> $config_host_mak
7553 fi
7554 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7555   echo "config-host.h: subdir-capstone" >> $config_host_mak
7556 fi
7557 if test -n "$LIBCAPSTONE"; then
7558   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7559 fi
7560
7561 if test "$numa" = "yes"; then
7562   echo "CONFIG_NUMA=y" >> $config_host_mak
7563 fi
7564
7565 if test "$ccache_cpp2" = "yes"; then
7566   echo "export CCACHE_CPP2=y" >> $config_host_mak
7567 fi
7568
7569 # If we're using a separate build tree, set it up now.
7570 # DIRS are directories which we simply mkdir in the build tree;
7571 # LINKS are things to symlink back into the source tree
7572 # (these can be both files and directories).
7573 # Caution: do not add files or directories here using wildcards. This
7574 # will result in problems later if a new file matching the wildcard is
7575 # added to the source tree -- nothing will cause configure to be rerun
7576 # so the build tree will be missing the link back to the new file, and
7577 # tests might fail. Prefer to keep the relevant files in their own
7578 # directory and symlink the directory instead.
7579 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests tests/vm"
7580 DIRS="$DIRS tests/fp"
7581 DIRS="$DIRS docs docs/interop fsdev scsi"
7582 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
7583 DIRS="$DIRS roms/seabios roms/vgabios"
7584 LINKS="Makefile tests/tcg/Makefile qdict-test-data.txt"
7585 LINKS="$LINKS tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
7586 LINKS="$LINKS tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
7587 LINKS="$LINKS tests/fp/Makefile"
7588 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7589 LINKS="$LINKS pc-bios/spapr-rtas/Makefile"
7590 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7591 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7592 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7593 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7594 LINKS="$LINKS tests/acceptance tests/data"
7595 LINKS="$LINKS tests/qemu-iotests/check"
7596 for bios_file in \
7597     $source_path/pc-bios/*.bin \
7598     $source_path/pc-bios/*.lid \
7599     $source_path/pc-bios/*.aml \
7600     $source_path/pc-bios/*.rom \
7601     $source_path/pc-bios/*.dtb \
7602     $source_path/pc-bios/*.img \
7603     $source_path/pc-bios/openbios-* \
7604     $source_path/pc-bios/u-boot.* \
7605     $source_path/pc-bios/palcode-*
7606 do
7607     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7608 done
7609 mkdir -p $DIRS
7610 for f in $LINKS ; do
7611     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7612         symlink "$source_path/$f" "$f"
7613     fi
7614 done
7615
7616 # temporary config to build submodules
7617 for rom in seabios vgabios ; do
7618     config_mak=roms/$rom/config.mak
7619     echo "# Automatically generated by configure - do not modify" > $config_mak
7620     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7621     echo "AS=$as" >> $config_mak
7622     echo "CCAS=$ccas" >> $config_mak
7623     echo "CC=$cc" >> $config_mak
7624     echo "BCC=bcc" >> $config_mak
7625     echo "CPP=$cpp" >> $config_mak
7626     echo "OBJCOPY=objcopy" >> $config_mak
7627     echo "IASL=$iasl" >> $config_mak
7628     echo "LD=$ld" >> $config_mak
7629     echo "RANLIB=$ranlib" >> $config_mak
7630 done
7631
7632 # set up qemu-iotests in this build directory
7633 iotests_common_env="tests/qemu-iotests/common.env"
7634
7635 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7636 echo >> "$iotests_common_env"
7637 echo "export PYTHON='$python'" >> "$iotests_common_env"
7638
7639 # Save the configure command line for later reuse.
7640 cat <<EOD >config.status
7641 #!/bin/sh
7642 # Generated by configure.
7643 # Run this file to recreate the current configuration.
7644 # Compiler output produced by configure, useful for debugging
7645 # configure, is in config.log if it exists.
7646 EOD
7647
7648 preserve_env() {
7649     envname=$1
7650
7651     eval envval=\$$envname
7652
7653     if test -n "$envval"
7654     then
7655         echo "$envname='$envval'" >> config.status
7656         echo "export $envname" >> config.status
7657     else
7658         echo "unset $envname" >> config.status
7659     fi
7660 }
7661
7662 # Preserve various env variables that influence what
7663 # features/build target configure will detect
7664 preserve_env AR
7665 preserve_env AS
7666 preserve_env CC
7667 preserve_env CPP
7668 preserve_env CXX
7669 preserve_env INSTALL
7670 preserve_env LD
7671 preserve_env LD_LIBRARY_PATH
7672 preserve_env LIBTOOL
7673 preserve_env MAKE
7674 preserve_env NM
7675 preserve_env OBJCOPY
7676 preserve_env PATH
7677 preserve_env PKG_CONFIG
7678 preserve_env PKG_CONFIG_LIBDIR
7679 preserve_env PKG_CONFIG_PATH
7680 preserve_env PYTHON
7681 preserve_env SDL_CONFIG
7682 preserve_env SDL2_CONFIG
7683 preserve_env SMBD
7684 preserve_env STRIP
7685 preserve_env WINDRES
7686
7687 printf "exec" >>config.status
7688 printf " '%s'" "$0" "$@" >>config.status
7689 echo ' "$@"' >>config.status
7690 chmod +x config.status
7691
7692 rm -r "$TMPDIR1"