configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  34
  35 rm -f config.log
  36
  37 # Print a helpful header at the top of config.log
  38 echo "# QEMU configure log $(date)" >> config.log
  39 printf "# Configured with:" >> config.log
  40 printf " '%s'" "$0" "$@" >> config.log
  41 echo >> config.log
  42 echo "#" >> config.log
  43
  44 print_error() {
  45     (echo
  46     echo "ERROR: $1"
  47     while test -n "$2"; do
  48         echo "       $2"
  49         shift
  50     done
  51     echo) >&2
  52 }
  53
  54 error_exit() {
  55     print_error "$@"
  56     exit 1
  57 }
  58
  59 do_compiler() {
  60     # Run the compiler, capturing its output to the log. First argument
  61     # is compiler binary to execute.
  62     local compiler="$1"
  63     shift
  64     if test -n "$BASH_VERSION"; then eval '
  65         echo >>config.log "
  66 funcs: ${FUNCNAME[*]}
  67 lines: ${BASH_LINENO[*]}"
  68     '; fi
  69     echo $compiler "$@" >> config.log
  70     $compiler "$@" >> config.log 2>&1 || return $?
  71     # Test passed. If this is an --enable-werror build, rerun
  72     # the test with -Werror and bail out if it fails. This
  73     # makes warning-generating-errors in configure test code
  74     # obvious to developers.
  75     if test "$werror" != "yes"; then
  76         return 0
  77     fi
  78     # Don't bother rerunning the compile if we were already using -Werror
  79     case "$*" in
  80         *-Werror*)
  81            return 0
  82         ;;
  83     esac
  84     echo $compiler -Werror "$@" >> config.log
  85     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  86     error_exit "configure test passed without -Werror but failed with -Werror." \
  87         "This is probably a bug in the configure script. The failing command" \
  88         "will be at the bottom of config.log." \
  89         "You can run configure with --disable-werror to bypass this check."
  90 }
  91
  92 do_cc() {
  93     do_compiler "$cc" "$@"
  94 }
  95
  96 do_cxx() {
  97     do_compiler "$cxx" "$@"
  98 }
  99
 100 update_cxxflags() {
 101     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 102     # options which some versions of GCC's C++ compiler complain about
 103     # because they only make sense for C programs.
 104     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 105
 106     for arg in $QEMU_CFLAGS; do
 107         case $arg in
 108             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 109             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 110                 ;;
 111             -std=gnu99)
 112                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
 113                 ;;
 114             *)
 115                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 116                 ;;
 117         esac
 118     done
 119 }
 120
 121 compile_object() {
 122   local_cflags="$1"
 123   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 124 }
 125
 126 compile_prog() {
 127   local_cflags="$1"
 128   local_ldflags="$2"
 129   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 130 }
 131
 132 # symbolically link $1 to $2.  Portable version of "ln -sf".
 133 symlink() {
 134   rm -rf "$2"
 135   mkdir -p "$(dirname "$2")"
 136   ln -s "$1" "$2"
 137 }
 138
 139 # check whether a command is available to this shell (may be either an
 140 # executable or a builtin)
 141 has() {
 142     type "$1" >/dev/null 2>&1
 143 }
 144
 145 # search for an executable in PATH
 146 path_of() {
 147     local_command="$1"
 148     local_ifs="$IFS"
 149     local_dir=""
 150
 151     # pathname has a dir component?
 152     if [ "${local_command#*/}" != "$local_command" ]; then
 153         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 154             echo "$local_command"
 155             return 0
 156         fi
 157     fi
 158     if [ -z "$local_command" ]; then
 159         return 1
 160     fi
 161
 162     IFS=:
 163     for local_dir in $PATH; do
 164         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 165             echo "$local_dir/$local_command"
 166             IFS="${local_ifs:-$(printf ' \t\n')}"
 167             return 0
 168         fi
 169     done
 170     # not found
 171     IFS="${local_ifs:-$(printf ' \t\n')}"
 172     return 1
 173 }
 174
 175 have_backend () {
 176     echo "$trace_backends" | grep "$1" >/dev/null
 177 }
 178
 179 glob() {
 180     eval test -z '"${1#'"$2"'}"'
 181 }
 182
 183 supported_hax_target() {
 184     test "$hax" = "yes" || return 1
 185     glob "$1" "*-softmmu" || return 1
 186     case "${1%-softmmu}" in
 187         i386|x86_64)
 188             return 0
 189         ;;
 190     esac
 191     return 1
 192 }
 193
 194 supported_kvm_target() {
 195     test "$kvm" = "yes" || return 1
 196     glob "$1" "*-softmmu" || return 1
 197     case "${1%-softmmu}:$cpu" in
 198         arm:arm | aarch64:aarch64 | \
 199         i386:i386 | i386:x86_64 | i386:x32 | \
 200         x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
 201         mips:mips | mipsel:mips | \
 202         ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
 203         s390x:s390x)
 204             return 0
 205         ;;
 206     esac
 207     return 1
 208 }
 209
 210 supported_xen_target() {
 211     test "$xen" = "yes" || return 1
 212     glob "$1" "*-softmmu" || return 1
 213     # Only i386 and x86_64 provide the xenpv machine.
 214     case "${1%-softmmu}" in
 215         i386|x86_64)
 216             return 0
 217         ;;
 218     esac
 219     return 1
 220 }
 221
 222 supported_hvf_target() {
 223     test "$hvf" = "yes" || return 1
 224     glob "$1" "*-softmmu" || return 1
 225     case "${1%-softmmu}" in
 226         x86_64)
 227             return 0
 228         ;;
 229     esac
 230     return 1
 231 }
 232
 233 supported_whpx_target() {
 234     test "$whpx" = "yes" || return 1
 235     glob "$1" "*-softmmu" || return 1
 236     case "${1%-softmmu}" in
 237         i386|x86_64)
 238             return 0
 239         ;;
 240     esac
 241     return 1
 242 }
 243
 244 supported_target() {
 245     case "$1" in
 246         *-softmmu)
 247             ;;
 248         *-linux-user)
 249             if test "$linux" != "yes"; then
 250                 print_error "Target '$target' is only available on a Linux host"
 251                 return 1
 252             fi
 253             ;;
 254         *-bsd-user)
 255             if test "$bsd" != "yes"; then
 256                 print_error "Target '$target' is only available on a BSD host"
 257                 return 1
 258             fi
 259             ;;
 260         *)
 261             print_error "Invalid target name '$target'"
 262             return 1
 263             ;;
 264     esac
 265     test "$tcg" = "yes" && return 0
 266     supported_kvm_target "$1" && return 0
 267     supported_xen_target "$1" && return 0
 268     supported_hax_target "$1" && return 0
 269     supported_hvf_target "$1" && return 0
 270     supported_whpx_target "$1" && return 0
 271     print_error "TCG disabled, but hardware accelerator not available for '$target'"
 272     return 1
 273 }
 274
 275
 276 ld_has() {
 277     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 278 }
 279
 280 # make source path absolute
 281 source_path=$(cd "$(dirname -- "$0")"; pwd)
 282
 283 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 284 then
 285   error_exit "main directory cannot contain spaces nor colons"
 286 fi
 287
 288 # default parameters
 289 cpu=""
 290 iasl="iasl"
 291 interp_prefix="/usr/gnemul/qemu-%M"
 292 static="no"
 293 cross_prefix=""
 294 audio_drv_list=""
 295 block_drv_rw_whitelist=""
 296 block_drv_ro_whitelist=""
 297 host_cc="cc"
 298 libs_cpu=""
 299 libs_softmmu=""
 300 libs_tools=""
 301 audio_win_int=""
 302 libs_qga=""
 303 debug_info="yes"
 304 stack_protector=""
 305 use_containers="yes"
 306
 307 if test -e "$source_path/.git"
 308 then
 309     git_update=yes
 310     git_submodules="ui/keycodemapdb"
 311     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 312     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 313 else
 314     git_update=no
 315     git_submodules=""
 316
 317     if ! test -f "$source_path/ui/keycodemapdb/README"
 318     then
 319         echo
 320         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 321         echo
 322         echo "This is not a GIT checkout but module content appears to"
 323         echo "be missing. Do not use 'git archive' or GitHub download links"
 324         echo "to acquire QEMU source archives. Non-GIT builds are only"
 325         echo "supported with source archives linked from:"
 326         echo
 327         echo "  https://www.qemu.org/download/#source"
 328         echo
 329         echo "Developers working with GIT can use scripts/archive-source.sh"
 330         echo "if they need to create valid source archives."
 331         echo
 332         exit 1
 333     fi
 334 fi
 335 git="git"
 336
 337 # Don't accept a target_list environment variable.
 338 unset target_list
 339 unset target_list_exclude
 340
 341 # Default value for a variable defining feature "foo".
 342 #  * foo="no"  feature will only be used if --enable-foo arg is given
 343 #  * foo=""    feature will be searched for, and if found, will be used
 344 #              unless --disable-foo is given
 345 #  * foo="yes" this value will only be set by --enable-foo flag.
 346 #              feature will searched for,
 347 #              if not found, configure exits with error
 348 #
 349 # Always add --enable-foo and --disable-foo command line args.
 350 # Distributions want to ensure that several features are compiled in, and it
 351 # is impossible without a --enable-foo that exits if a feature is not found.
 352
 353 brlapi=""
 354 curl=""
 355 curses=""
 356 docs=""
 357 fdt=""
 358 netmap="no"
 359 sdl=""
 360 sdl_image=""
 361 virtfs=""
 362 mpath=""
 363 vnc="yes"
 364 sparse="no"
 365 vde=""
 366 vnc_sasl=""
 367 vnc_jpeg=""
 368 vnc_png=""
 369 xkbcommon=""
 370 xen=""
 371 xen_ctrl_version=""
 372 xen_pci_passthrough=""
 373 linux_aio=""
 374 cap_ng=""
 375 attr=""
 376 libattr=""
 377 xfs=""
 378 tcg="yes"
 379 membarrier=""
 380 vhost_net=""
 381 vhost_crypto=""
 382 vhost_scsi=""
 383 vhost_vsock=""
 384 vhost_user=""
 385 vhost_user_fs=""
 386 kvm="no"
 387 hax="no"
 388 hvf="no"
 389 whpx="no"
 390 rdma=""
 391 pvrdma=""
 392 gprof="no"
 393 debug_tcg="no"
 394 debug="no"
 395 sanitizers="no"
 396 fortify_source=""
 397 strip_opt="yes"
 398 tcg_interpreter="no"
 399 bigendian="no"
 400 mingw32="no"
 401 gcov="no"
 402 gcov_tool="gcov"
 403 EXESUF=""
 404 DSOSUF=".so"
 405 LDFLAGS_SHARED="-shared"
 406 modules="no"
 407 prefix="/usr/local"
 408 mandir="\${prefix}/share/man"
 409 datadir="\${prefix}/share"
 410 firmwarepath="\${prefix}/share/qemu-firmware"
 411 qemu_docdir="\${prefix}/share/doc/qemu"
 412 bindir="\${prefix}/bin"
 413 libdir="\${prefix}/lib"
 414 libexecdir="\${prefix}/libexec"
 415 includedir="\${prefix}/include"
 416 sysconfdir="\${prefix}/etc"
 417 local_statedir="\${prefix}/var"
 418 confsuffix="/qemu"
 419 slirp=""
 420 oss_lib=""
 421 bsd="no"
 422 linux="no"
 423 solaris="no"
 424 profiler="no"
 425 cocoa="no"
 426 softmmu="yes"
 427 linux_user="no"
 428 bsd_user="no"
 429 blobs="yes"
 430 edk2_blobs="no"
 431 pkgversion=""
 432 pie=""
 433 qom_cast_debug="yes"
 434 trace_backends="log"
 435 trace_file="trace"
 436 spice=""
 437 rbd=""
 438 smartcard=""
 439 libusb=""
 440 usb_redir=""
 441 opengl=""
 442 opengl_dmabuf="no"
 443 cpuid_h="no"
 444 avx2_opt=""
 445 zlib="yes"
 446 capstone=""
 447 lzo=""
 448 snappy=""
 449 bzip2=""
 450 lzfse=""
 451 guest_agent=""
 452 guest_agent_with_vss="no"
 453 guest_agent_ntddscsi="no"
 454 guest_agent_msi=""
 455 vss_win32_sdk=""
 456 win_sdk="no"
 457 want_tools="yes"
 458 libiscsi=""
 459 libnfs=""
 460 coroutine=""
 461 coroutine_pool=""
 462 debug_stack_usage="no"
 463 crypto_afalg="no"
 464 seccomp=""
 465 glusterfs=""
 466 glusterfs_xlator_opt="no"
 467 glusterfs_discard="no"
 468 glusterfs_fallocate="no"
 469 glusterfs_zerofill="no"
 470 glusterfs_ftruncate_has_stat="no"
 471 glusterfs_iocb_has_stat="no"
 472 gtk=""
 473 gtk_gl="no"
 474 tls_priority="NORMAL"
 475 gnutls=""
 476 nettle=""
 477 nettle_xts="no"
 478 gcrypt=""
 479 gcrypt_hmac="no"
 480 gcrypt_xts="no"
 481 qemu_private_xts="yes"
 482 auth_pam=""
 483 vte=""
 484 virglrenderer=""
 485 tpm=""
 486 libssh=""
 487 live_block_migration="yes"
 488 numa=""
 489 tcmalloc="no"
 490 jemalloc="no"
 491 replication="yes"
 492 vxhs=""
 493 bochs="yes"
 494 cloop="yes"
 495 dmg="yes"
 496 qcow1="yes"
 497 vdi="yes"
 498 vvfat="yes"
 499 qed="yes"
 500 parallels="yes"
 501 sheepdog="yes"
 502 libxml2=""
 503 debug_mutex="no"
 504 libpmem=""
 505 default_devices="yes"
 506 plugins="no"
 507
 508 supported_cpu="no"
 509 supported_os="no"
 510 bogus_os="no"
 511 malloc_trim=""
 512
 513 # parse CC options first
 514 for opt do
 515   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 516   case "$opt" in
 517   --cross-prefix=*) cross_prefix="$optarg"
 518   ;;
 519   --cc=*) CC="$optarg"
 520   ;;
 521   --cxx=*) CXX="$optarg"
 522   ;;
 523   --cpu=*) cpu="$optarg"
 524   ;;
 525   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 526   ;;
 527   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 528   ;;
 529   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 530                      EXTRA_LDFLAGS="$optarg"
 531   ;;
 532   --enable-debug-info) debug_info="yes"
 533   ;;
 534   --disable-debug-info) debug_info="no"
 535   ;;
 536   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 537   ;;
 538   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 539                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 540                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 541   ;;
 542   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 543                 cc_archs="$cc_archs $cc_arch"
 544                 eval "cross_cc_${cc_arch}=\$optarg"
 545                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 546   ;;
 547   esac
 548 done
 549 # OS specific
 550 # Using uname is really, really broken.  Once we have the right set of checks
 551 # we can eliminate its usage altogether.
 552
 553 # Preferred compiler:
 554 #  ${CC} (if set)
 555 #  ${cross_prefix}gcc (if cross-prefix specified)
 556 #  system compiler
 557 if test -z "${CC}${cross_prefix}"; then
 558   cc="$host_cc"
 559 else
 560   cc="${CC-${cross_prefix}gcc}"
 561 fi
 562
 563 if test -z "${CXX}${cross_prefix}"; then
 564   cxx="c++"
 565 else
 566   cxx="${CXX-${cross_prefix}g++}"
 567 fi
 568
 569 ar="${AR-${cross_prefix}ar}"
 570 as="${AS-${cross_prefix}as}"
 571 ccas="${CCAS-$cc}"
 572 cpp="${CPP-$cc -E}"
 573 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 574 ld="${LD-${cross_prefix}ld}"
 575 ranlib="${RANLIB-${cross_prefix}ranlib}"
 576 nm="${NM-${cross_prefix}nm}"
 577 strip="${STRIP-${cross_prefix}strip}"
 578 windres="${WINDRES-${cross_prefix}windres}"
 579 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 580 query_pkg_config() {
 581     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 582 }
 583 pkg_config=query_pkg_config
 584 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 585
 586 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 587 ARFLAGS="${ARFLAGS-rv}"
 588
 589 # default flags for all hosts
 590 # We use -fwrapv to tell the compiler that we require a C dialect where
 591 # left shift of signed integers is well defined and has the expected
 592 # 2s-complement style results. (Both clang and gcc agree that it
 593 # provides these semantics.)
 594 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
 595 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 596 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 597 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 598 QEMU_INCLUDES="-iquote . -iquote \$(SRC_PATH) -iquote \$(SRC_PATH)/accel/tcg -iquote \$(SRC_PATH)/include"
 599 QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
 600 if test "$debug_info" = "yes"; then
 601     CFLAGS="-g $CFLAGS"
 602     LDFLAGS="-g $LDFLAGS"
 603 fi
 604
 605 # running configure in the source tree?
 606 # we know that's the case if configure is there.
 607 if test -f "./configure"; then
 608     pwd_is_source_path="y"
 609 else
 610     pwd_is_source_path="n"
 611 fi
 612
 613 check_define() {
 614 cat > $TMPC <<EOF
 615 #if !defined($1)
 616 #error $1 not defined
 617 #endif
 618 int main(void) { return 0; }
 619 EOF
 620   compile_object
 621 }
 622
 623 check_include() {
 624 cat > $TMPC <<EOF
 625 #include <$1>
 626 int main(void) { return 0; }
 627 EOF
 628   compile_object
 629 }
 630
 631 write_c_skeleton() {
 632     cat > $TMPC <<EOF
 633 int main(void) { return 0; }
 634 EOF
 635 }
 636
 637 if check_define __linux__ ; then
 638   targetos="Linux"
 639 elif check_define _WIN32 ; then
 640   targetos='MINGW32'
 641 elif check_define __OpenBSD__ ; then
 642   targetos='OpenBSD'
 643 elif check_define __sun__ ; then
 644   targetos='SunOS'
 645 elif check_define __HAIKU__ ; then
 646   targetos='Haiku'
 647 elif check_define __FreeBSD__ ; then
 648   targetos='FreeBSD'
 649 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 650   targetos='GNU/kFreeBSD'
 651 elif check_define __DragonFly__ ; then
 652   targetos='DragonFly'
 653 elif check_define __NetBSD__; then
 654   targetos='NetBSD'
 655 elif check_define __APPLE__; then
 656   targetos='Darwin'
 657 else
 658   # This is a fatal error, but don't report it yet, because we
 659   # might be going to just print the --help text, or it might
 660   # be the result of a missing compiler.
 661   targetos='bogus'
 662   bogus_os='yes'
 663 fi
 664
 665 # Some host OSes need non-standard checks for which CPU to use.
 666 # Note that these checks are broken for cross-compilation: if you're
 667 # cross-compiling to one of these OSes then you'll need to specify
 668 # the correct CPU with the --cpu option.
 669 case $targetos in
 670 Darwin)
 671   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 672   # run 64-bit userspace code.
 673   # If the user didn't specify a CPU explicitly and the kernel says this is
 674   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 675   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 676     cpu="x86_64"
 677   fi
 678   ;;
 679 SunOS)
 680   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 681   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 682     cpu="x86_64"
 683   fi
 684 esac
 685
 686 if test ! -z "$cpu" ; then
 687   # command line argument
 688   :
 689 elif check_define __i386__ ; then
 690   cpu="i386"
 691 elif check_define __x86_64__ ; then
 692   if check_define __ILP32__ ; then
 693     cpu="x32"
 694   else
 695     cpu="x86_64"
 696   fi
 697 elif check_define __sparc__ ; then
 698   if check_define __arch64__ ; then
 699     cpu="sparc64"
 700   else
 701     cpu="sparc"
 702   fi
 703 elif check_define _ARCH_PPC ; then
 704   if check_define _ARCH_PPC64 ; then
 705     if check_define _LITTLE_ENDIAN ; then
 706       cpu="ppc64le"
 707     else
 708       cpu="ppc64"
 709     fi
 710   else
 711     cpu="ppc"
 712   fi
 713 elif check_define __mips__ ; then
 714   cpu="mips"
 715 elif check_define __s390__ ; then
 716   if check_define __s390x__ ; then
 717     cpu="s390x"
 718   else
 719     cpu="s390"
 720   fi
 721 elif check_define __riscv ; then
 722   if check_define _LP64 ; then
 723     cpu="riscv64"
 724   else
 725     cpu="riscv32"
 726   fi
 727 elif check_define __arm__ ; then
 728   cpu="arm"
 729 elif check_define __aarch64__ ; then
 730   cpu="aarch64"
 731 else
 732   cpu=$(uname -m)
 733 fi
 734
 735 ARCH=
 736 # Normalise host CPU name and set ARCH.
 737 # Note that this case should only have supported host CPUs, not guests.
 738 case "$cpu" in
 739   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 740     supported_cpu="yes"
 741   ;;
 742   ppc64le)
 743     ARCH="ppc64"
 744     supported_cpu="yes"
 745   ;;
 746   i386|i486|i586|i686|i86pc|BePC)
 747     cpu="i386"
 748     supported_cpu="yes"
 749   ;;
 750   x86_64|amd64)
 751     cpu="x86_64"
 752     supported_cpu="yes"
 753   ;;
 754   armv*b|armv*l|arm)
 755     cpu="arm"
 756     supported_cpu="yes"
 757   ;;
 758   aarch64)
 759     cpu="aarch64"
 760     supported_cpu="yes"
 761   ;;
 762   mips*)
 763     cpu="mips"
 764     supported_cpu="yes"
 765   ;;
 766   sparc|sun4[cdmuv])
 767     cpu="sparc"
 768     supported_cpu="yes"
 769   ;;
 770   *)
 771     # This will result in either an error or falling back to TCI later
 772     ARCH=unknown
 773   ;;
 774 esac
 775 if test -z "$ARCH"; then
 776   ARCH="$cpu"
 777 fi
 778
 779 # OS specific
 780
 781 # host *BSD for user mode
 782 HOST_VARIANT_DIR=""
 783
 784 case $targetos in
 785 MINGW32*)
 786   mingw32="yes"
 787   hax="yes"
 788   vhost_user="no"
 789   audio_possible_drivers="dsound sdl"
 790   if check_include dsound.h; then
 791     audio_drv_list="dsound"
 792   else
 793     audio_drv_list=""
 794   fi
 795   supported_os="yes"
 796 ;;
 797 GNU/kFreeBSD)
 798   bsd="yes"
 799   audio_drv_list="oss try-sdl"
 800   audio_possible_drivers="oss sdl pa"
 801 ;;
 802 FreeBSD)
 803   bsd="yes"
 804   make="${MAKE-gmake}"
 805   audio_drv_list="oss try-sdl"
 806   audio_possible_drivers="oss sdl pa"
 807   # needed for kinfo_getvmmap(3) in libutil.h
 808   LIBS="-lutil $LIBS"
 809   # needed for kinfo_getproc
 810   libs_qga="-lutil $libs_qga"
 811   netmap=""  # enable netmap autodetect
 812   HOST_VARIANT_DIR="freebsd"
 813   supported_os="yes"
 814 ;;
 815 DragonFly)
 816   bsd="yes"
 817   make="${MAKE-gmake}"
 818   audio_drv_list="oss try-sdl"
 819   audio_possible_drivers="oss sdl pa"
 820   HOST_VARIANT_DIR="dragonfly"
 821 ;;
 822 NetBSD)
 823   bsd="yes"
 824   hax="yes"
 825   make="${MAKE-gmake}"
 826   audio_drv_list="oss try-sdl"
 827   audio_possible_drivers="oss sdl"
 828   oss_lib="-lossaudio"
 829   HOST_VARIANT_DIR="netbsd"
 830   supported_os="yes"
 831 ;;
 832 OpenBSD)
 833   bsd="yes"
 834   make="${MAKE-gmake}"
 835   audio_drv_list="try-sdl"
 836   audio_possible_drivers="sdl"
 837   HOST_VARIANT_DIR="openbsd"
 838   supported_os="yes"
 839 ;;
 840 Darwin)
 841   bsd="yes"
 842   darwin="yes"
 843   hax="yes"
 844   hvf="yes"
 845   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 846   if [ "$cpu" = "x86_64" ] ; then
 847     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 848     LDFLAGS="-arch x86_64 $LDFLAGS"
 849   fi
 850   cocoa="yes"
 851   audio_drv_list="coreaudio try-sdl"
 852   audio_possible_drivers="coreaudio sdl"
 853   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 854   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 855   # Disable attempts to use ObjectiveC features in os/object.h since they
 856   # won't work when we're compiling with gcc as a C compiler.
 857   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 858   HOST_VARIANT_DIR="darwin"
 859   supported_os="yes"
 860 ;;
 861 SunOS)
 862   solaris="yes"
 863   make="${MAKE-gmake}"
 864   install="${INSTALL-ginstall}"
 865   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 866   if test -f /usr/include/sys/soundcard.h ; then
 867     audio_drv_list="oss try-sdl"
 868   fi
 869   audio_possible_drivers="oss sdl"
 870 # needed for CMSG_ macros in sys/socket.h
 871   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 872 # needed for TIOCWIN* defines in termios.h
 873   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 874   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 875   solarisnetlibs="-lsocket -lnsl -lresolv"
 876   LIBS="$solarisnetlibs $LIBS"
 877   libs_qga="$solarisnetlibs $libs_qga"
 878 ;;
 879 Haiku)
 880   haiku="yes"
 881   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 882   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 883 ;;
 884 Linux)
 885   audio_drv_list="try-pa oss"
 886   audio_possible_drivers="oss alsa sdl pa"
 887   linux="yes"
 888   linux_user="yes"
 889   kvm="yes"
 890   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
 891   supported_os="yes"
 892   libudev="yes"
 893 ;;
 894 esac
 895
 896 if [ "$bsd" = "yes" ] ; then
 897   if [ "$darwin" != "yes" ] ; then
 898     bsd_user="yes"
 899   fi
 900 fi
 901
 902 : ${make=${MAKE-make}}
 903 : ${install=${INSTALL-install}}
 904 # We prefer python 3.x. A bare 'python' is traditionally
 905 # python 2.x, but some distros have it as python 3.x, so
 906 # we check that too
 907 python=
 908 for binary in "${PYTHON-python3}" python
 909 do
 910     if has "$binary"
 911     then
 912         python=$(command -v "$binary")
 913         break
 914     fi
 915 done
 916 : ${smbd=${SMBD-/usr/sbin/smbd}}
 917
 918 # Default objcc to clang if available, otherwise use CC
 919 if has clang; then
 920   objcc=clang
 921 else
 922   objcc="$cc"
 923 fi
 924
 925 if test "$mingw32" = "yes" ; then
 926   EXESUF=".exe"
 927   DSOSUF=".dll"
 928   # MinGW needs -mthreads for TLS and macro _MT.
 929   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 930   LIBS="-lwinmm -lws2_32 $LIBS"
 931   write_c_skeleton;
 932   if compile_prog "" "-liberty" ; then
 933     LIBS="-liberty $LIBS"
 934   fi
 935   prefix="c:/Program Files/QEMU"
 936   mandir="\${prefix}"
 937   datadir="\${prefix}"
 938   qemu_docdir="\${prefix}"
 939   bindir="\${prefix}"
 940   sysconfdir="\${prefix}"
 941   local_statedir=
 942   confsuffix=""
 943   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 944 fi
 945
 946 werror=""
 947
 948 for opt do
 949   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 950   case "$opt" in
 951   --help|-h) show_help=yes
 952   ;;
 953   --version|-V) exec cat $source_path/VERSION
 954   ;;
 955   --prefix=*) prefix="$optarg"
 956   ;;
 957   --interp-prefix=*) interp_prefix="$optarg"
 958   ;;
 959   --cross-prefix=*)
 960   ;;
 961   --cc=*)
 962   ;;
 963   --host-cc=*) host_cc="$optarg"
 964   ;;
 965   --cxx=*)
 966   ;;
 967   --iasl=*) iasl="$optarg"
 968   ;;
 969   --objcc=*) objcc="$optarg"
 970   ;;
 971   --make=*) make="$optarg"
 972   ;;
 973   --install=*) install="$optarg"
 974   ;;
 975   --python=*) python="$optarg"
 976   ;;
 977   --gcov=*) gcov_tool="$optarg"
 978   ;;
 979   --smbd=*) smbd="$optarg"
 980   ;;
 981   --extra-cflags=*)
 982   ;;
 983   --extra-cxxflags=*)
 984   ;;
 985   --extra-ldflags=*)
 986   ;;
 987   --enable-debug-info)
 988   ;;
 989   --disable-debug-info)
 990   ;;
 991   --cross-cc-*)
 992   ;;
 993   --enable-modules)
 994       modules="yes"
 995   ;;
 996   --disable-modules)
 997       modules="no"
 998   ;;
 999   --cpu=*)
1000   ;;
1001   --target-list=*) target_list="$optarg"
1002                    if test "$target_list_exclude"; then
1003                        error_exit "Can't mix --target-list with --target-list-exclude"
1004                    fi
1005   ;;
1006   --target-list-exclude=*) target_list_exclude="$optarg"
1007                    if test "$target_list"; then
1008                        error_exit "Can't mix --target-list-exclude with --target-list"
1009                    fi
1010   ;;
1011   --enable-trace-backends=*) trace_backends="$optarg"
1012   ;;
1013   # XXX: backwards compatibility
1014   --enable-trace-backend=*) trace_backends="$optarg"
1015   ;;
1016   --with-trace-file=*) trace_file="$optarg"
1017   ;;
1018   --with-default-devices) default_devices="yes"
1019   ;;
1020   --without-default-devices) default_devices="no"
1021   ;;
1022   --enable-gprof) gprof="yes"
1023   ;;
1024   --enable-gcov) gcov="yes"
1025   ;;
1026   --static)
1027     static="yes"
1028     LDFLAGS="-static $LDFLAGS"
1029     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
1030   ;;
1031   --mandir=*) mandir="$optarg"
1032   ;;
1033   --bindir=*) bindir="$optarg"
1034   ;;
1035   --libdir=*) libdir="$optarg"
1036   ;;
1037   --libexecdir=*) libexecdir="$optarg"
1038   ;;
1039   --includedir=*) includedir="$optarg"
1040   ;;
1041   --datadir=*) datadir="$optarg"
1042   ;;
1043   --with-confsuffix=*) confsuffix="$optarg"
1044   ;;
1045   --docdir=*) qemu_docdir="$optarg"
1046   ;;
1047   --sysconfdir=*) sysconfdir="$optarg"
1048   ;;
1049   --localstatedir=*) local_statedir="$optarg"
1050   ;;
1051   --firmwarepath=*) firmwarepath="$optarg"
1052   ;;
1053   --host=*|--build=*|\
1054   --disable-dependency-tracking|\
1055   --sbindir=*|--sharedstatedir=*|\
1056   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
1057   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
1058     # These switches are silently ignored, for compatibility with
1059     # autoconf-generated configure scripts. This allows QEMU's
1060     # configure to be used by RPM and similar macros that set
1061     # lots of directory switches by default.
1062   ;;
1063   --disable-sdl) sdl="no"
1064   ;;
1065   --enable-sdl) sdl="yes"
1066   ;;
1067   --disable-sdl-image) sdl_image="no"
1068   ;;
1069   --enable-sdl-image) sdl_image="yes"
1070   ;;
1071   --disable-qom-cast-debug) qom_cast_debug="no"
1072   ;;
1073   --enable-qom-cast-debug) qom_cast_debug="yes"
1074   ;;
1075   --disable-virtfs) virtfs="no"
1076   ;;
1077   --enable-virtfs) virtfs="yes"
1078   ;;
1079   --disable-mpath) mpath="no"
1080   ;;
1081   --enable-mpath) mpath="yes"
1082   ;;
1083   --disable-vnc) vnc="no"
1084   ;;
1085   --enable-vnc) vnc="yes"
1086   ;;
1087   --oss-lib=*) oss_lib="$optarg"
1088   ;;
1089   --audio-drv-list=*) audio_drv_list="$optarg"
1090   ;;
1091   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1092   ;;
1093   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1094   ;;
1095   --enable-debug-tcg) debug_tcg="yes"
1096   ;;
1097   --disable-debug-tcg) debug_tcg="no"
1098   ;;
1099   --enable-debug)
1100       # Enable debugging options that aren't excessively noisy
1101       debug_tcg="yes"
1102       debug_mutex="yes"
1103       debug="yes"
1104       strip_opt="no"
1105       fortify_source="no"
1106   ;;
1107   --enable-sanitizers) sanitizers="yes"
1108   ;;
1109   --disable-sanitizers) sanitizers="no"
1110   ;;
1111   --enable-sparse) sparse="yes"
1112   ;;
1113   --disable-sparse) sparse="no"
1114   ;;
1115   --disable-strip) strip_opt="no"
1116   ;;
1117   --disable-vnc-sasl) vnc_sasl="no"
1118   ;;
1119   --enable-vnc-sasl) vnc_sasl="yes"
1120   ;;
1121   --disable-vnc-jpeg) vnc_jpeg="no"
1122   ;;
1123   --enable-vnc-jpeg) vnc_jpeg="yes"
1124   ;;
1125   --disable-vnc-png) vnc_png="no"
1126   ;;
1127   --enable-vnc-png) vnc_png="yes"
1128   ;;
1129   --disable-slirp) slirp="no"
1130   ;;
1131   --enable-slirp=git) slirp="git"
1132   ;;
1133   --enable-slirp=system) slirp="system"
1134   ;;
1135   --disable-vde) vde="no"
1136   ;;
1137   --enable-vde) vde="yes"
1138   ;;
1139   --disable-netmap) netmap="no"
1140   ;;
1141   --enable-netmap) netmap="yes"
1142   ;;
1143   --disable-xen) xen="no"
1144   ;;
1145   --enable-xen) xen="yes"
1146   ;;
1147   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
1148   ;;
1149   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
1150   ;;
1151   --disable-brlapi) brlapi="no"
1152   ;;
1153   --enable-brlapi) brlapi="yes"
1154   ;;
1155   --disable-kvm) kvm="no"
1156   ;;
1157   --enable-kvm) kvm="yes"
1158   ;;
1159   --disable-hax) hax="no"
1160   ;;
1161   --enable-hax) hax="yes"
1162   ;;
1163   --disable-hvf) hvf="no"
1164   ;;
1165   --enable-hvf) hvf="yes"
1166   ;;
1167   --disable-whpx) whpx="no"
1168   ;;
1169   --enable-whpx) whpx="yes"
1170   ;;
1171   --disable-tcg-interpreter) tcg_interpreter="no"
1172   ;;
1173   --enable-tcg-interpreter) tcg_interpreter="yes"
1174   ;;
1175   --disable-cap-ng)  cap_ng="no"
1176   ;;
1177   --enable-cap-ng) cap_ng="yes"
1178   ;;
1179   --disable-tcg) tcg="no"
1180   ;;
1181   --enable-tcg) tcg="yes"
1182   ;;
1183   --disable-malloc-trim) malloc_trim="no"
1184   ;;
1185   --enable-malloc-trim) malloc_trim="yes"
1186   ;;
1187   --disable-spice) spice="no"
1188   ;;
1189   --enable-spice) spice="yes"
1190   ;;
1191   --disable-libiscsi) libiscsi="no"
1192   ;;
1193   --enable-libiscsi) libiscsi="yes"
1194   ;;
1195   --disable-libnfs) libnfs="no"
1196   ;;
1197   --enable-libnfs) libnfs="yes"
1198   ;;
1199   --enable-profiler) profiler="yes"
1200   ;;
1201   --disable-cocoa) cocoa="no"
1202   ;;
1203   --enable-cocoa)
1204       cocoa="yes" ;
1205       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1206   ;;
1207   --disable-system) softmmu="no"
1208   ;;
1209   --enable-system) softmmu="yes"
1210   ;;
1211   --disable-user)
1212       linux_user="no" ;
1213       bsd_user="no" ;
1214   ;;
1215   --enable-user) ;;
1216   --disable-linux-user) linux_user="no"
1217   ;;
1218   --enable-linux-user) linux_user="yes"
1219   ;;
1220   --disable-bsd-user) bsd_user="no"
1221   ;;
1222   --enable-bsd-user) bsd_user="yes"
1223   ;;
1224   --enable-pie) pie="yes"
1225   ;;
1226   --disable-pie) pie="no"
1227   ;;
1228   --enable-werror) werror="yes"
1229   ;;
1230   --disable-werror) werror="no"
1231   ;;
1232   --enable-stack-protector) stack_protector="yes"
1233   ;;
1234   --disable-stack-protector) stack_protector="no"
1235   ;;
1236   --disable-curses) curses="no"
1237   ;;
1238   --enable-curses) curses="yes"
1239   ;;
1240   --disable-iconv) iconv="no"
1241   ;;
1242   --enable-iconv) iconv="yes"
1243   ;;
1244   --disable-curl) curl="no"
1245   ;;
1246   --enable-curl) curl="yes"
1247   ;;
1248   --disable-fdt) fdt="no"
1249   ;;
1250   --enable-fdt) fdt="yes"
1251   ;;
1252   --disable-linux-aio) linux_aio="no"
1253   ;;
1254   --enable-linux-aio) linux_aio="yes"
1255   ;;
1256   --disable-attr) attr="no"
1257   ;;
1258   --enable-attr) attr="yes"
1259   ;;
1260   --disable-membarrier) membarrier="no"
1261   ;;
1262   --enable-membarrier) membarrier="yes"
1263   ;;
1264   --disable-blobs) blobs="no"
1265   ;;
1266   --with-pkgversion=*) pkgversion="$optarg"
1267   ;;
1268   --with-coroutine=*) coroutine="$optarg"
1269   ;;
1270   --disable-coroutine-pool) coroutine_pool="no"
1271   ;;
1272   --enable-coroutine-pool) coroutine_pool="yes"
1273   ;;
1274   --enable-debug-stack-usage) debug_stack_usage="yes"
1275   ;;
1276   --enable-crypto-afalg) crypto_afalg="yes"
1277   ;;
1278   --disable-crypto-afalg) crypto_afalg="no"
1279   ;;
1280   --disable-docs) docs="no"
1281   ;;
1282   --enable-docs) docs="yes"
1283   ;;
1284   --disable-vhost-net) vhost_net="no"
1285   ;;
1286   --enable-vhost-net) vhost_net="yes"
1287   ;;
1288   --disable-vhost-crypto) vhost_crypto="no"
1289   ;;
1290   --enable-vhost-crypto) vhost_crypto="yes"
1291   ;;
1292   --disable-vhost-scsi) vhost_scsi="no"
1293   ;;
1294   --enable-vhost-scsi) vhost_scsi="yes"
1295   ;;
1296   --disable-vhost-vsock) vhost_vsock="no"
1297   ;;
1298   --enable-vhost-vsock) vhost_vsock="yes"
1299   ;;
1300   --disable-vhost-user-fs) vhost_user_fs="no"
1301   ;;
1302   --enable-vhost-user-fs) vhost_user_fs="yes"
1303   ;;
1304   --disable-opengl) opengl="no"
1305   ;;
1306   --enable-opengl) opengl="yes"
1307   ;;
1308   --disable-rbd) rbd="no"
1309   ;;
1310   --enable-rbd) rbd="yes"
1311   ;;
1312   --disable-xfsctl) xfs="no"
1313   ;;
1314   --enable-xfsctl) xfs="yes"
1315   ;;
1316   --disable-smartcard) smartcard="no"
1317   ;;
1318   --enable-smartcard) smartcard="yes"
1319   ;;
1320   --disable-libusb) libusb="no"
1321   ;;
1322   --enable-libusb) libusb="yes"
1323   ;;
1324   --disable-usb-redir) usb_redir="no"
1325   ;;
1326   --enable-usb-redir) usb_redir="yes"
1327   ;;
1328   --disable-zlib-test) zlib="no"
1329   ;;
1330   --disable-lzo) lzo="no"
1331   ;;
1332   --enable-lzo) lzo="yes"
1333   ;;
1334   --disable-snappy) snappy="no"
1335   ;;
1336   --enable-snappy) snappy="yes"
1337   ;;
1338   --disable-bzip2) bzip2="no"
1339   ;;
1340   --enable-bzip2) bzip2="yes"
1341   ;;
1342   --enable-lzfse) lzfse="yes"
1343   ;;
1344   --disable-lzfse) lzfse="no"
1345   ;;
1346   --enable-guest-agent) guest_agent="yes"
1347   ;;
1348   --disable-guest-agent) guest_agent="no"
1349   ;;
1350   --enable-guest-agent-msi) guest_agent_msi="yes"
1351   ;;
1352   --disable-guest-agent-msi) guest_agent_msi="no"
1353   ;;
1354   --with-vss-sdk) vss_win32_sdk=""
1355   ;;
1356   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1357   ;;
1358   --without-vss-sdk) vss_win32_sdk="no"
1359   ;;
1360   --with-win-sdk) win_sdk=""
1361   ;;
1362   --with-win-sdk=*) win_sdk="$optarg"
1363   ;;
1364   --without-win-sdk) win_sdk="no"
1365   ;;
1366   --enable-tools) want_tools="yes"
1367   ;;
1368   --disable-tools) want_tools="no"
1369   ;;
1370   --enable-seccomp) seccomp="yes"
1371   ;;
1372   --disable-seccomp) seccomp="no"
1373   ;;
1374   --disable-glusterfs) glusterfs="no"
1375   ;;
1376   --disable-avx2) avx2_opt="no"
1377   ;;
1378   --enable-avx2) avx2_opt="yes"
1379   ;;
1380   --enable-glusterfs) glusterfs="yes"
1381   ;;
1382   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1383       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1384   ;;
1385   --enable-vhdx|--disable-vhdx)
1386       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1387   ;;
1388   --enable-uuid|--disable-uuid)
1389       echo "$0: $opt is obsolete, UUID support is always built" >&2
1390   ;;
1391   --disable-gtk) gtk="no"
1392   ;;
1393   --enable-gtk) gtk="yes"
1394   ;;
1395   --tls-priority=*) tls_priority="$optarg"
1396   ;;
1397   --disable-gnutls) gnutls="no"
1398   ;;
1399   --enable-gnutls) gnutls="yes"
1400   ;;
1401   --disable-nettle) nettle="no"
1402   ;;
1403   --enable-nettle) nettle="yes"
1404   ;;
1405   --disable-gcrypt) gcrypt="no"
1406   ;;
1407   --enable-gcrypt) gcrypt="yes"
1408   ;;
1409   --disable-auth-pam) auth_pam="no"
1410   ;;
1411   --enable-auth-pam) auth_pam="yes"
1412   ;;
1413   --enable-rdma) rdma="yes"
1414   ;;
1415   --disable-rdma) rdma="no"
1416   ;;
1417   --enable-pvrdma) pvrdma="yes"
1418   ;;
1419   --disable-pvrdma) pvrdma="no"
1420   ;;
1421   --disable-vte) vte="no"
1422   ;;
1423   --enable-vte) vte="yes"
1424   ;;
1425   --disable-virglrenderer) virglrenderer="no"
1426   ;;
1427   --enable-virglrenderer) virglrenderer="yes"
1428   ;;
1429   --disable-tpm) tpm="no"
1430   ;;
1431   --enable-tpm) tpm="yes"
1432   ;;
1433   --disable-libssh) libssh="no"
1434   ;;
1435   --enable-libssh) libssh="yes"
1436   ;;
1437   --disable-live-block-migration) live_block_migration="no"
1438   ;;
1439   --enable-live-block-migration) live_block_migration="yes"
1440   ;;
1441   --disable-numa) numa="no"
1442   ;;
1443   --enable-numa) numa="yes"
1444   ;;
1445   --disable-libxml2) libxml2="no"
1446   ;;
1447   --enable-libxml2) libxml2="yes"
1448   ;;
1449   --disable-tcmalloc) tcmalloc="no"
1450   ;;
1451   --enable-tcmalloc) tcmalloc="yes"
1452   ;;
1453   --disable-jemalloc) jemalloc="no"
1454   ;;
1455   --enable-jemalloc) jemalloc="yes"
1456   ;;
1457   --disable-replication) replication="no"
1458   ;;
1459   --enable-replication) replication="yes"
1460   ;;
1461   --disable-vxhs) vxhs="no"
1462   ;;
1463   --enable-vxhs) vxhs="yes"
1464   ;;
1465   --disable-bochs) bochs="no"
1466   ;;
1467   --enable-bochs) bochs="yes"
1468   ;;
1469   --disable-cloop) cloop="no"
1470   ;;
1471   --enable-cloop) cloop="yes"
1472   ;;
1473   --disable-dmg) dmg="no"
1474   ;;
1475   --enable-dmg) dmg="yes"
1476   ;;
1477   --disable-qcow1) qcow1="no"
1478   ;;
1479   --enable-qcow1) qcow1="yes"
1480   ;;
1481   --disable-vdi) vdi="no"
1482   ;;
1483   --enable-vdi) vdi="yes"
1484   ;;
1485   --disable-vvfat) vvfat="no"
1486   ;;
1487   --enable-vvfat) vvfat="yes"
1488   ;;
1489   --disable-qed) qed="no"
1490   ;;
1491   --enable-qed) qed="yes"
1492   ;;
1493   --disable-parallels) parallels="no"
1494   ;;
1495   --enable-parallels) parallels="yes"
1496   ;;
1497   --disable-sheepdog) sheepdog="no"
1498   ;;
1499   --enable-sheepdog) sheepdog="yes"
1500   ;;
1501   --disable-vhost-user) vhost_user="no"
1502   ;;
1503   --enable-vhost-user) vhost_user="yes"
1504   ;;
1505   --disable-vhost-kernel) vhost_kernel="no"
1506   ;;
1507   --enable-vhost-kernel) vhost_kernel="yes"
1508   ;;
1509   --disable-capstone) capstone="no"
1510   ;;
1511   --enable-capstone) capstone="yes"
1512   ;;
1513   --enable-capstone=git) capstone="git"
1514   ;;
1515   --enable-capstone=system) capstone="system"
1516   ;;
1517   --with-git=*) git="$optarg"
1518   ;;
1519   --enable-git-update) git_update=yes
1520   ;;
1521   --disable-git-update) git_update=no
1522   ;;
1523   --enable-debug-mutex) debug_mutex=yes
1524   ;;
1525   --disable-debug-mutex) debug_mutex=no
1526   ;;
1527   --enable-libpmem) libpmem=yes
1528   ;;
1529   --disable-libpmem) libpmem=no
1530   ;;
1531   --enable-xkbcommon) xkbcommon=yes
1532   ;;
1533   --disable-xkbcommon) xkbcommon=no
1534   ;;
1535   --enable-plugins) plugins="yes"
1536   ;;
1537   --disable-plugins) plugins="no"
1538   ;;
1539   --enable-containers) use_containers="yes"
1540   ;;
1541   --disable-containers) use_containers="no"
1542   ;;
1543   *)
1544       echo "ERROR: unknown option $opt"
1545       echo "Try '$0 --help' for more information"
1546       exit 1
1547   ;;
1548   esac
1549 done
1550
1551 case "$cpu" in
1552     ppc)
1553            CPU_CFLAGS="-m32"
1554            LDFLAGS="-m32 $LDFLAGS"
1555            ;;
1556     ppc64)
1557            CPU_CFLAGS="-m64"
1558            LDFLAGS="-m64 $LDFLAGS"
1559            ;;
1560     sparc)
1561            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1562            LDFLAGS="-m32 -mv8plus $LDFLAGS"
1563            ;;
1564     sparc64)
1565            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1566            LDFLAGS="-m64 $LDFLAGS"
1567            ;;
1568     s390)
1569            CPU_CFLAGS="-m31"
1570            LDFLAGS="-m31 $LDFLAGS"
1571            ;;
1572     s390x)
1573            CPU_CFLAGS="-m64"
1574            LDFLAGS="-m64 $LDFLAGS"
1575            ;;
1576     i386)
1577            CPU_CFLAGS="-m32"
1578            LDFLAGS="-m32 $LDFLAGS"
1579            ;;
1580     x86_64)
1581            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1582            # If we truly care, we should simply detect this case at
1583            # runtime and generate the fallback to serial emulation.
1584            CPU_CFLAGS="-m64 -mcx16"
1585            LDFLAGS="-m64 $LDFLAGS"
1586            ;;
1587     x32)
1588            CPU_CFLAGS="-mx32"
1589            LDFLAGS="-mx32 $LDFLAGS"
1590            ;;
1591     # No special flags required for other host CPUs
1592 esac
1593
1594 eval "cross_cc_${cpu}=\$host_cc"
1595 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1596 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1597
1598 # For user-mode emulation the host arch has to be one we explicitly
1599 # support, even if we're using TCI.
1600 if [ "$ARCH" = "unknown" ]; then
1601   bsd_user="no"
1602   linux_user="no"
1603 fi
1604
1605 default_target_list=""
1606
1607 mak_wilds=""
1608
1609 if [ "$softmmu" = "yes" ]; then
1610     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1611 fi
1612 if [ "$linux_user" = "yes" ]; then
1613     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1614 fi
1615 if [ "$bsd_user" = "yes" ]; then
1616     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1617 fi
1618
1619 if test -z "$target_list_exclude"; then
1620     for config in $mak_wilds; do
1621         default_target_list="${default_target_list} $(basename "$config" .mak)"
1622     done
1623 else
1624     exclude_list=$(echo "$target_list_exclude" | sed -e 's/,/ /g')
1625     for config in $mak_wilds; do
1626         target="$(basename "$config" .mak)"
1627         exclude="no"
1628         for excl in $exclude_list; do
1629             if test "$excl" = "$target"; then
1630                 exclude="yes"
1631                 break;
1632             fi
1633         done
1634         if test "$exclude" = "no"; then
1635             default_target_list="${default_target_list} $target"
1636         fi
1637     done
1638 fi
1639
1640 # Enumerate public trace backends for --help output
1641 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1642
1643 if test x"$show_help" = x"yes" ; then
1644 cat << EOF
1645
1646 Usage: configure [options]
1647 Options: [defaults in brackets after descriptions]
1648
1649 Standard options:
1650   --help                   print this message
1651   --prefix=PREFIX          install in PREFIX [$prefix]
1652   --interp-prefix=PREFIX   where to find shared libraries, etc.
1653                            use %M for cpu name [$interp_prefix]
1654   --target-list=LIST       set target list (default: build everything)
1655 $(echo Available targets: $default_target_list | \
1656   fold -s -w 53 | sed -e 's/^/                           /')
1657   --target-list-exclude=LIST exclude a set of targets from the default target-list
1658
1659 Advanced options (experts only):
1660   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1661   --cc=CC                  use C compiler CC [$cc]
1662   --iasl=IASL              use ACPI compiler IASL [$iasl]
1663   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1664                            build time
1665   --cxx=CXX                use C++ compiler CXX [$cxx]
1666   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1667   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1668   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1669   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1670   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1671   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1672   --make=MAKE              use specified make [$make]
1673   --install=INSTALL        use specified install [$install]
1674   --python=PYTHON          use specified python [$python]
1675   --smbd=SMBD              use specified smbd [$smbd]
1676   --with-git=GIT           use specified git [$git]
1677   --static                 enable static build [$static]
1678   --mandir=PATH            install man pages in PATH
1679   --datadir=PATH           install firmware in PATH$confsuffix
1680   --docdir=PATH            install documentation in PATH$confsuffix
1681   --bindir=PATH            install binaries in PATH
1682   --libdir=PATH            install libraries in PATH
1683   --libexecdir=PATH        install helper binaries in PATH
1684   --sysconfdir=PATH        install config in PATH$confsuffix
1685   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1686   --firmwarepath=PATH      search PATH for firmware files
1687   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1688   --with-pkgversion=VERS   use specified string as sub-version of the package
1689   --enable-debug           enable common debug build options
1690   --enable-sanitizers      enable default sanitizers
1691   --disable-strip          disable stripping binaries
1692   --disable-werror         disable compilation abort on warning
1693   --disable-stack-protector disable compiler-provided stack protection
1694   --audio-drv-list=LIST    set audio drivers list:
1695                            Available drivers: $audio_possible_drivers
1696   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1697   --block-drv-rw-whitelist=L
1698                            set block driver read-write whitelist
1699                            (affects only QEMU, not qemu-img)
1700   --block-drv-ro-whitelist=L
1701                            set block driver read-only whitelist
1702                            (affects only QEMU, not qemu-img)
1703   --enable-trace-backends=B Set trace backend
1704                            Available backends: $trace_backend_list
1705   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1706                            Default:trace-<pid>
1707   --disable-slirp          disable SLIRP userspace network connectivity
1708   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1709   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1710   --oss-lib                path to OSS library
1711   --cpu=CPU                Build for host CPU [$cpu]
1712   --with-coroutine=BACKEND coroutine backend. Supported options:
1713                            ucontext, sigaltstack, windows
1714   --enable-gcov            enable test coverage analysis with gcov
1715   --gcov=GCOV              use specified gcov [$gcov_tool]
1716   --disable-blobs          disable installing provided firmware blobs
1717   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1718   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1719   --tls-priority           default TLS protocol/cipher priority string
1720   --enable-gprof           QEMU profiling with gprof
1721   --enable-profiler        profiler support
1722   --enable-debug-stack-usage
1723                            track the maximum stack usage of stacks created by qemu_alloc_stack
1724   --enable-plugins
1725                            enable plugins via shared library loading
1726   --disable-containers     don't use containers for cross-building
1727
1728 Optional features, enabled with --enable-FEATURE and
1729 disabled with --disable-FEATURE, default is enabled if available:
1730
1731   system          all system emulation targets
1732   user            supported user emulation targets
1733   linux-user      all linux usermode emulation targets
1734   bsd-user        all BSD usermode emulation targets
1735   docs            build documentation
1736   guest-agent     build the QEMU Guest Agent
1737   guest-agent-msi build guest agent Windows MSI installation package
1738   pie             Position Independent Executables
1739   modules         modules support (non-Windows)
1740   debug-tcg       TCG debugging (default is disabled)
1741   debug-info      debugging information
1742   sparse          sparse checker
1743
1744   gnutls          GNUTLS cryptography support
1745   nettle          nettle cryptography support
1746   gcrypt          libgcrypt cryptography support
1747   auth-pam        PAM access control
1748   sdl             SDL UI
1749   sdl-image       SDL Image support for icons
1750   gtk             gtk UI
1751   vte             vte support for the gtk UI
1752   curses          curses UI
1753   iconv           font glyph conversion support
1754   vnc             VNC UI support
1755   vnc-sasl        SASL encryption for VNC server
1756   vnc-jpeg        JPEG lossy compression for VNC server
1757   vnc-png         PNG compression for VNC server
1758   cocoa           Cocoa UI (Mac OS X only)
1759   virtfs          VirtFS
1760   mpath           Multipath persistent reservation passthrough
1761   xen             xen backend driver support
1762   xen-pci-passthrough    PCI passthrough support for Xen
1763   brlapi          BrlAPI (Braile)
1764   curl            curl connectivity
1765   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1766   fdt             fdt device tree
1767   kvm             KVM acceleration support
1768   hax             HAX acceleration support
1769   hvf             Hypervisor.framework acceleration support
1770   whpx            Windows Hypervisor Platform acceleration support
1771   rdma            Enable RDMA-based migration
1772   pvrdma          Enable PVRDMA support
1773   vde             support for vde network
1774   netmap          support for netmap network
1775   linux-aio       Linux AIO support
1776   cap-ng          libcap-ng support
1777   attr            attr and xattr support
1778   vhost-net       vhost-net kernel acceleration support
1779   vhost-vsock     virtio sockets device support
1780   vhost-scsi      vhost-scsi kernel target support
1781   vhost-crypto    vhost-user-crypto backend support
1782   vhost-kernel    vhost kernel backend support
1783   vhost-user      vhost-user backend support
1784   spice           spice
1785   rbd             rados block device (rbd)
1786   libiscsi        iscsi support
1787   libnfs          nfs support
1788   smartcard       smartcard support (libcacard)
1789   libusb          libusb (for usb passthrough)
1790   live-block-migration   Block migration in the main migration stream
1791   usb-redir       usb network redirection support
1792   lzo             support of lzo compression library
1793   snappy          support of snappy compression library
1794   bzip2           support of bzip2 compression library
1795                   (for reading bzip2-compressed dmg images)
1796   lzfse           support of lzfse compression library
1797                   (for reading lzfse-compressed dmg images)
1798   seccomp         seccomp support
1799   coroutine-pool  coroutine freelist (better performance)
1800   glusterfs       GlusterFS backend
1801   tpm             TPM support
1802   libssh          ssh block device support
1803   numa            libnuma support
1804   libxml2         for Parallels image format
1805   tcmalloc        tcmalloc support
1806   jemalloc        jemalloc support
1807   avx2            AVX2 optimization support
1808   replication     replication support
1809   opengl          opengl support
1810   virglrenderer   virgl rendering support
1811   xfsctl          xfsctl support
1812   qom-cast-debug  cast debugging support
1813   tools           build qemu-io, qemu-nbd and qemu-img tools
1814   vxhs            Veritas HyperScale vDisk backend support
1815   bochs           bochs image format support
1816   cloop           cloop image format support
1817   dmg             dmg image format support
1818   qcow1           qcow v1 image format support
1819   vdi             vdi image format support
1820   vvfat           vvfat image format support
1821   qed             qed image format support
1822   parallels       parallels image format support
1823   sheepdog        sheepdog block driver support
1824   crypto-afalg    Linux AF_ALG crypto backend driver
1825   capstone        capstone disassembler support
1826   debug-mutex     mutex debugging support
1827   libpmem         libpmem support
1828   xkbcommon       xkbcommon support
1829
1830 NOTE: The object files are built at the place where configure is launched
1831 EOF
1832 exit 0
1833 fi
1834
1835 # Remove old dependency files to make sure that they get properly regenerated
1836 rm -f */config-devices.mak.d
1837
1838 if test -z "$python"
1839 then
1840     error_exit "Python not found. Use --python=/path/to/python"
1841 fi
1842
1843 # Note that if the Python conditional here evaluates True we will exit
1844 # with status 1 which is a shell 'false' value.
1845 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then
1846   error_exit "Cannot use '$python', Python >= 3.5 is required." \
1847       "Use --python=/path/to/python to specify a supported Python."
1848 fi
1849
1850 # Preserve python version since some functionality is dependent on it
1851 python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
1852
1853 # Suppress writing compiled files
1854 python="$python -B"
1855
1856 # Check that the C compiler works. Doing this here before testing
1857 # the host CPU ensures that we had a valid CC to autodetect the
1858 # $cpu var (and we should bail right here if that's not the case).
1859 # It also allows the help message to be printed without a CC.
1860 write_c_skeleton;
1861 if compile_object ; then
1862   : C compiler works ok
1863 else
1864     error_exit "\"$cc\" either does not exist or does not work"
1865 fi
1866 if ! compile_prog ; then
1867     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1868 fi
1869
1870 # Now we have handled --enable-tcg-interpreter and know we're not just
1871 # printing the help message, bail out if the host CPU isn't supported.
1872 if test "$ARCH" = "unknown"; then
1873     if test "$tcg_interpreter" = "yes" ; then
1874         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1875     else
1876         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1877     fi
1878 fi
1879
1880 # Consult white-list to determine whether to enable werror
1881 # by default.  Only enable by default for git builds
1882 if test -z "$werror" ; then
1883     if test -e "$source_path/.git" && \
1884         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1885         werror="yes"
1886     else
1887         werror="no"
1888     fi
1889 fi
1890
1891 if test "$bogus_os" = "yes"; then
1892     # Now that we know that we're not printing the help and that
1893     # the compiler works (so the results of the check_defines we used
1894     # to identify the OS are reliable), if we didn't recognize the
1895     # host OS we should stop now.
1896     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1897 fi
1898
1899 # Check whether the compiler matches our minimum requirements:
1900 cat > $TMPC << EOF
1901 #if defined(__clang_major__) && defined(__clang_minor__)
1902 # ifdef __apple_build_version__
1903 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1904 #   error You need at least XCode Clang v5.1 to compile QEMU
1905 #  endif
1906 # else
1907 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1908 #   error You need at least Clang v3.4 to compile QEMU
1909 #  endif
1910 # endif
1911 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1912 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1913 #  error You need at least GCC v4.8 to compile QEMU
1914 # endif
1915 #else
1916 # error You either need GCC or Clang to compiler QEMU
1917 #endif
1918 int main (void) { return 0; }
1919 EOF
1920 if ! compile_prog "" "" ; then
1921     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1922 fi
1923
1924 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1925 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1926 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1927 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1928 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
1929 gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
1930 # Note that we do not add -Werror to gcc_flags here, because that would
1931 # enable it for all configure tests. If a configure test failed due
1932 # to -Werror this would just silently disable some features,
1933 # so it's too error prone.
1934
1935 cc_has_warning_flag() {
1936     write_c_skeleton;
1937
1938     # Use the positive sense of the flag when testing for -Wno-wombat
1939     # support (gcc will happily accept the -Wno- form of unknown
1940     # warning options).
1941     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1942     compile_prog "-Werror $optflag" ""
1943 }
1944
1945 for flag in $gcc_flags; do
1946     if cc_has_warning_flag $flag ; then
1947         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1948     fi
1949 done
1950
1951 if test "$stack_protector" != "no"; then
1952   cat > $TMPC << EOF
1953 int main(int argc, char *argv[])
1954 {
1955     char arr[64], *p = arr, *c = argv[0];
1956     while (*c) {
1957         *p++ = *c++;
1958     }
1959     return 0;
1960 }
1961 EOF
1962   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1963   sp_on=0
1964   for flag in $gcc_flags; do
1965     # We need to check both a compile and a link, since some compiler
1966     # setups fail only on a .c->.o compile and some only at link time
1967     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1968        compile_prog "-Werror $flag" ""; then
1969       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1970       sp_on=1
1971       break
1972     fi
1973   done
1974   if test "$stack_protector" = yes; then
1975     if test $sp_on = 0; then
1976       error_exit "Stack protector not supported"
1977     fi
1978   fi
1979 fi
1980
1981 # Disable -Wmissing-braces on older compilers that warn even for
1982 # the "universal" C zero initializer {0}.
1983 cat > $TMPC << EOF
1984 struct {
1985   int a[2];
1986 } x = {0};
1987 EOF
1988 if compile_object "-Werror" "" ; then
1989   :
1990 else
1991   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1992 fi
1993
1994 # Our module code doesn't support Windows
1995 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1996   error_exit "Modules are not available for Windows"
1997 fi
1998
1999 # Static linking is not possible with modules or PIE
2000 if test "$static" = "yes" ; then
2001   if test "$modules" = "yes" ; then
2002     error_exit "static and modules are mutually incompatible"
2003   fi
2004   if test "$pie" = "yes" ; then
2005     error_exit "static and pie are mutually incompatible"
2006   else
2007     pie="no"
2008   fi
2009 fi
2010
2011 # Unconditional check for compiler __thread support
2012   cat > $TMPC << EOF
2013 static __thread int tls_var;
2014 int main(void) { return tls_var; }
2015 EOF
2016
2017 if ! compile_prog "-Werror" "" ; then
2018     error_exit "Your compiler does not support the __thread specifier for " \
2019         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2020 fi
2021
2022 if test "$pie" = ""; then
2023   case "$cpu-$targetos" in
2024     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
2025       ;;
2026     *)
2027       pie="no"
2028       ;;
2029   esac
2030 fi
2031
2032 if test "$pie" != "no" ; then
2033   cat > $TMPC << EOF
2034
2035 #ifdef __linux__
2036 #  define THREAD __thread
2037 #else
2038 #  define THREAD
2039 #endif
2040
2041 static THREAD int tls_var;
2042
2043 int main(void) { return tls_var; }
2044
2045 EOF
2046   # check we support --no-pie first...
2047   if compile_prog "-Werror -fno-pie" "-no-pie"; then
2048     CFLAGS_NOPIE="-fno-pie"
2049     LDFLAGS_NOPIE="-nopie"
2050   fi
2051
2052   if compile_prog "-fPIE -DPIE" "-pie"; then
2053     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
2054     LDFLAGS="-pie $LDFLAGS"
2055     pie="yes"
2056     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2057       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
2058     fi
2059   else
2060     if test "$pie" = "yes"; then
2061       error_exit "PIE not available due to missing toolchain support"
2062     else
2063       echo "Disabling PIE due to missing toolchain support"
2064       pie="no"
2065     fi
2066   fi
2067 fi
2068
2069 ##########################################
2070 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2071 # use i686 as default anyway, but for those that don't, an explicit
2072 # specification is necessary
2073
2074 if test "$cpu" = "i386"; then
2075   cat > $TMPC << EOF
2076 static int sfaa(int *ptr)
2077 {
2078   return __sync_fetch_and_and(ptr, 0);
2079 }
2080
2081 int main(void)
2082 {
2083   int val = 42;
2084   val = __sync_val_compare_and_swap(&val, 0, 1);
2085   sfaa(&val);
2086   return val;
2087 }
2088 EOF
2089   if ! compile_prog "" "" ; then
2090     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2091   fi
2092 fi
2093
2094 #########################################
2095 # Solaris specific configure tool chain decisions
2096
2097 if test "$solaris" = "yes" ; then
2098   if has $install; then
2099     :
2100   else
2101     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
2102         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
2103         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
2104   fi
2105   if test "$(path_of $install)" = "/usr/sbin/install" ; then
2106     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
2107         "try ginstall from the GNU fileutils available from www.blastwave.org" \
2108         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
2109   fi
2110   if has ar; then
2111     :
2112   else
2113     if test -f /usr/ccs/bin/ar ; then
2114       error_exit "No path includes ar" \
2115           "Add /usr/ccs/bin to your path and rerun configure"
2116     fi
2117     error_exit "No path includes ar"
2118   fi
2119 fi
2120
2121 if test -z "${target_list+xxx}" ; then
2122     for target in $default_target_list; do
2123         supported_target $target 2>/dev/null && \
2124             target_list="$target_list $target"
2125     done
2126     target_list="${target_list# }"
2127 else
2128     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2129     for target in $target_list; do
2130         # Check that we recognised the target name; this allows a more
2131         # friendly error message than if we let it fall through.
2132         case " $default_target_list " in
2133             *" $target "*)
2134                 ;;
2135             *)
2136                 error_exit "Unknown target name '$target'"
2137                 ;;
2138         esac
2139         supported_target $target || exit 1
2140     done
2141 fi
2142
2143 # see if system emulation was really requested
2144 case " $target_list " in
2145   *"-softmmu "*) softmmu=yes
2146   ;;
2147   *) softmmu=no
2148   ;;
2149 esac
2150
2151 for target in $target_list; do
2152   case "$target" in
2153     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2154       edk2_blobs="yes"
2155       ;;
2156   esac
2157 done
2158 # The EDK2 binaries are compressed with bzip2
2159 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2160   error_exit "The bzip2 program is required for building QEMU"
2161 fi
2162
2163 feature_not_found() {
2164   feature=$1
2165   remedy=$2
2166
2167   error_exit "User requested feature $feature" \
2168       "configure was not able to find it." \
2169       "$remedy"
2170 }
2171
2172 # ---
2173 # big/little endian test
2174 cat > $TMPC << EOF
2175 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2176 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2177 extern int foo(short *, short *);
2178 int main(int argc, char *argv[]) {
2179     return foo(big_endian, little_endian);
2180 }
2181 EOF
2182
2183 if compile_object ; then
2184     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2185         bigendian="yes"
2186     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2187         bigendian="no"
2188     else
2189         echo big/little test failed
2190     fi
2191 else
2192     echo big/little test failed
2193 fi
2194
2195 ##########################################
2196 # cocoa implies not SDL or GTK
2197 # (the cocoa UI code currently assumes it is always the active UI
2198 # and doesn't interact well with other UI frontend code)
2199 if test "$cocoa" = "yes"; then
2200     if test "$sdl" = "yes"; then
2201         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2202     fi
2203     if test "$gtk" = "yes"; then
2204         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2205     fi
2206     gtk=no
2207     sdl=no
2208 fi
2209
2210 # Some versions of Mac OS X incorrectly define SIZE_MAX
2211 cat > $TMPC << EOF
2212 #include <stdint.h>
2213 #include <stdio.h>
2214 int main(int argc, char *argv[]) {
2215     return printf("%zu", SIZE_MAX);
2216 }
2217 EOF
2218 have_broken_size_max=no
2219 if ! compile_object -Werror ; then
2220     have_broken_size_max=yes
2221 fi
2222
2223 ##########################################
2224 # L2TPV3 probe
2225
2226 cat > $TMPC <<EOF
2227 #include <sys/socket.h>
2228 #include <linux/ip.h>
2229 int main(void) { return sizeof(struct mmsghdr); }
2230 EOF
2231 if compile_prog "" "" ; then
2232   l2tpv3=yes
2233 else
2234   l2tpv3=no
2235 fi
2236
2237 #########################################
2238 # vhost interdependencies and host support
2239
2240 # vhost backends
2241 test "$vhost_user" = "" && vhost_user=yes
2242 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2243   error_exit "vhost-user isn't available on win32"
2244 fi
2245 test "$vhost_kernel" = "" && vhost_kernel=$linux
2246 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2247   error_exit "vhost-kernel is only available on Linux"
2248 fi
2249
2250 # vhost-kernel devices
2251 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2252 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2253   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2254 fi
2255 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2256 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2257   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2258 fi
2259
2260 # vhost-user backends
2261 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2262 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2263   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2264 fi
2265 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2266 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2267   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2268 fi
2269 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2270 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2271   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2272 fi
2273
2274 # OR the vhost-kernel and vhost-user values for simplicity
2275 if test "$vhost_net" = ""; then
2276   test "$vhost_net_user" = "yes" && vhost_net=yes
2277   test "$vhost_kernel" = "yes" && vhost_net=yes
2278 fi
2279
2280 ##########################################
2281 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2282
2283 if test "$mingw32" = "yes"; then
2284     # Some versions of MinGW / Mingw-w64 lack localtime_r
2285     # and gmtime_r entirely.
2286     #
2287     # Some versions of Mingw-w64 define a macro for
2288     # localtime_r/gmtime_r.
2289     #
2290     # Some versions of Mingw-w64 will define functions
2291     # for localtime_r/gmtime_r, but only if you have
2292     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2293     # though, unistd.h and pthread.h both define
2294     # that for you.
2295     #
2296     # So this #undef localtime_r and #include <unistd.h>
2297     # are not in fact redundant.
2298 cat > $TMPC << EOF
2299 #include <unistd.h>
2300 #include <time.h>
2301 #undef localtime_r
2302 int main(void) { localtime_r(NULL, NULL); return 0; }
2303 EOF
2304     if compile_prog "" "" ; then
2305         localtime_r="yes"
2306     else
2307         localtime_r="no"
2308     fi
2309 fi
2310
2311 ##########################################
2312 # pkg-config probe
2313
2314 if ! has "$pkg_config_exe"; then
2315   error_exit "pkg-config binary '$pkg_config_exe' not found"
2316 fi
2317
2318 ##########################################
2319 # NPTL probe
2320
2321 if test "$linux_user" = "yes"; then
2322   cat > $TMPC <<EOF
2323 #include <sched.h>
2324 #include <linux/futex.h>
2325 int main(void) {
2326 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2327 #error bork
2328 #endif
2329   return 0;
2330 }
2331 EOF
2332   if ! compile_object ; then
2333     feature_not_found "nptl" "Install glibc and linux kernel headers."
2334   fi
2335 fi
2336
2337 ##########################################
2338 # lzo check
2339
2340 if test "$lzo" != "no" ; then
2341     cat > $TMPC << EOF
2342 #include <lzo/lzo1x.h>
2343 int main(void) { lzo_version(); return 0; }
2344 EOF
2345     if compile_prog "" "-llzo2" ; then
2346         libs_softmmu="$libs_softmmu -llzo2"
2347         lzo="yes"
2348     else
2349         if test "$lzo" = "yes"; then
2350             feature_not_found "liblzo2" "Install liblzo2 devel"
2351         fi
2352         lzo="no"
2353     fi
2354 fi
2355
2356 ##########################################
2357 # snappy check
2358
2359 if test "$snappy" != "no" ; then
2360     cat > $TMPC << EOF
2361 #include <snappy-c.h>
2362 int main(void) { snappy_max_compressed_length(4096); return 0; }
2363 EOF
2364     if compile_prog "" "-lsnappy" ; then
2365         libs_softmmu="$libs_softmmu -lsnappy"
2366         snappy="yes"
2367     else
2368         if test "$snappy" = "yes"; then
2369             feature_not_found "libsnappy" "Install libsnappy devel"
2370         fi
2371         snappy="no"
2372     fi
2373 fi
2374
2375 ##########################################
2376 # bzip2 check
2377
2378 if test "$bzip2" != "no" ; then
2379     cat > $TMPC << EOF
2380 #include <bzlib.h>
2381 int main(void) { BZ2_bzlibVersion(); return 0; }
2382 EOF
2383     if compile_prog "" "-lbz2" ; then
2384         bzip2="yes"
2385     else
2386         if test "$bzip2" = "yes"; then
2387             feature_not_found "libbzip2" "Install libbzip2 devel"
2388         fi
2389         bzip2="no"
2390     fi
2391 fi
2392
2393 ##########################################
2394 # lzfse check
2395
2396 if test "$lzfse" != "no" ; then
2397     cat > $TMPC << EOF
2398 #include <lzfse.h>
2399 int main(void) { lzfse_decode_scratch_size(); return 0; }
2400 EOF
2401     if compile_prog "" "-llzfse" ; then
2402         lzfse="yes"
2403     else
2404         if test "$lzfse" = "yes"; then
2405             feature_not_found "lzfse" "Install lzfse devel"
2406         fi
2407         lzfse="no"
2408     fi
2409 fi
2410
2411 ##########################################
2412 # libseccomp check
2413
2414 if test "$seccomp" != "no" ; then
2415     libseccomp_minver="2.3.0"
2416     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2417         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2418         seccomp_libs="$($pkg_config --libs libseccomp)"
2419         seccomp="yes"
2420     else
2421         if test "$seccomp" = "yes" ; then
2422             feature_not_found "libseccomp" \
2423                  "Install libseccomp devel >= $libseccomp_minver"
2424         fi
2425         seccomp="no"
2426     fi
2427 fi
2428 ##########################################
2429 # xen probe
2430
2431 if test "$xen" != "no" ; then
2432   # Check whether Xen library path is specified via --extra-ldflags to avoid
2433   # overriding this setting with pkg-config output. If not, try pkg-config
2434   # to obtain all needed flags.
2435
2436   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2437      $pkg_config --exists xencontrol ; then
2438     xen_ctrl_version="$(printf '%d%02d%02d' \
2439       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2440     xen=yes
2441     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2442     xen_pc="$xen_pc xenevtchn xendevicemodel"
2443     if $pkg_config --exists xentoolcore; then
2444       xen_pc="$xen_pc xentoolcore"
2445     fi
2446     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2447     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2448   else
2449
2450     xen_libs="-lxenstore -lxenctrl -lxenguest"
2451     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2452
2453     # First we test whether Xen headers and libraries are available.
2454     # If no, we are done and there is no Xen support.
2455     # If yes, more tests are run to detect the Xen version.
2456
2457     # Xen (any)
2458     cat > $TMPC <<EOF
2459 #include <xenctrl.h>
2460 int main(void) {
2461   return 0;
2462 }
2463 EOF
2464     if ! compile_prog "" "$xen_libs" ; then
2465       # Xen not found
2466       if test "$xen" = "yes" ; then
2467         feature_not_found "xen" "Install xen devel"
2468       fi
2469       xen=no
2470
2471     # Xen unstable
2472     elif
2473         cat > $TMPC <<EOF &&
2474 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2475 #define __XEN_TOOLS__
2476 #include <xendevicemodel.h>
2477 #include <xenforeignmemory.h>
2478 int main(void) {
2479   xendevicemodel_handle *xd;
2480   xenforeignmemory_handle *xfmem;
2481
2482   xd = xendevicemodel_open(0, 0);
2483   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2484
2485   xfmem = xenforeignmemory_open(0, 0);
2486   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2487
2488   return 0;
2489 }
2490 EOF
2491         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2492       then
2493       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2494       xen_ctrl_version=41100
2495       xen=yes
2496     elif
2497         cat > $TMPC <<EOF &&
2498 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2499 #include <xenforeignmemory.h>
2500 #include <xentoolcore.h>
2501 int main(void) {
2502   xenforeignmemory_handle *xfmem;
2503
2504   xfmem = xenforeignmemory_open(0, 0);
2505   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2506   xentoolcore_restrict_all(0);
2507
2508   return 0;
2509 }
2510 EOF
2511         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2512       then
2513       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2514       xen_ctrl_version=41000
2515       xen=yes
2516     elif
2517         cat > $TMPC <<EOF &&
2518 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2519 #define __XEN_TOOLS__
2520 #include <xendevicemodel.h>
2521 int main(void) {
2522   xendevicemodel_handle *xd;
2523
2524   xd = xendevicemodel_open(0, 0);
2525   xendevicemodel_close(xd);
2526
2527   return 0;
2528 }
2529 EOF
2530         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2531       then
2532       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2533       xen_ctrl_version=40900
2534       xen=yes
2535     elif
2536         cat > $TMPC <<EOF &&
2537 /*
2538  * If we have stable libs the we don't want the libxc compat
2539  * layers, regardless of what CFLAGS we may have been given.
2540  *
2541  * Also, check if xengnttab_grant_copy_segment_t is defined and
2542  * grant copy operation is implemented.
2543  */
2544 #undef XC_WANT_COMPAT_EVTCHN_API
2545 #undef XC_WANT_COMPAT_GNTTAB_API
2546 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2547 #include <xenctrl.h>
2548 #include <xenstore.h>
2549 #include <xenevtchn.h>
2550 #include <xengnttab.h>
2551 #include <xenforeignmemory.h>
2552 #include <stdint.h>
2553 #include <xen/hvm/hvm_info_table.h>
2554 #if !defined(HVM_MAX_VCPUS)
2555 # error HVM_MAX_VCPUS not defined
2556 #endif
2557 int main(void) {
2558   xc_interface *xc = NULL;
2559   xenforeignmemory_handle *xfmem;
2560   xenevtchn_handle *xe;
2561   xengnttab_handle *xg;
2562   xengnttab_grant_copy_segment_t* seg = NULL;
2563
2564   xs_daemon_open();
2565
2566   xc = xc_interface_open(0, 0, 0);
2567   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2568   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2569   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2570   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2571
2572   xfmem = xenforeignmemory_open(0, 0);
2573   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2574
2575   xe = xenevtchn_open(0, 0);
2576   xenevtchn_fd(xe);
2577
2578   xg = xengnttab_open(0, 0);
2579   xengnttab_grant_copy(xg, 0, seg);
2580
2581   return 0;
2582 }
2583 EOF
2584         compile_prog "" "$xen_libs $xen_stable_libs"
2585       then
2586       xen_ctrl_version=40800
2587       xen=yes
2588     elif
2589         cat > $TMPC <<EOF &&
2590 /*
2591  * If we have stable libs the we don't want the libxc compat
2592  * layers, regardless of what CFLAGS we may have been given.
2593  */
2594 #undef XC_WANT_COMPAT_EVTCHN_API
2595 #undef XC_WANT_COMPAT_GNTTAB_API
2596 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2597 #include <xenctrl.h>
2598 #include <xenstore.h>
2599 #include <xenevtchn.h>
2600 #include <xengnttab.h>
2601 #include <xenforeignmemory.h>
2602 #include <stdint.h>
2603 #include <xen/hvm/hvm_info_table.h>
2604 #if !defined(HVM_MAX_VCPUS)
2605 # error HVM_MAX_VCPUS not defined
2606 #endif
2607 int main(void) {
2608   xc_interface *xc = NULL;
2609   xenforeignmemory_handle *xfmem;
2610   xenevtchn_handle *xe;
2611   xengnttab_handle *xg;
2612
2613   xs_daemon_open();
2614
2615   xc = xc_interface_open(0, 0, 0);
2616   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2617   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2618   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2619   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2620
2621   xfmem = xenforeignmemory_open(0, 0);
2622   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2623
2624   xe = xenevtchn_open(0, 0);
2625   xenevtchn_fd(xe);
2626
2627   xg = xengnttab_open(0, 0);
2628   xengnttab_map_grant_ref(xg, 0, 0, 0);
2629
2630   return 0;
2631 }
2632 EOF
2633         compile_prog "" "$xen_libs $xen_stable_libs"
2634       then
2635       xen_ctrl_version=40701
2636       xen=yes
2637
2638     # Xen 4.6
2639     elif
2640         cat > $TMPC <<EOF &&
2641 #include <xenctrl.h>
2642 #include <xenstore.h>
2643 #include <stdint.h>
2644 #include <xen/hvm/hvm_info_table.h>
2645 #if !defined(HVM_MAX_VCPUS)
2646 # error HVM_MAX_VCPUS not defined
2647 #endif
2648 int main(void) {
2649   xc_interface *xc;
2650   xs_daemon_open();
2651   xc = xc_interface_open(0, 0, 0);
2652   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2653   xc_gnttab_open(NULL, 0);
2654   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2655   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2656   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2657   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2658   return 0;
2659 }
2660 EOF
2661         compile_prog "" "$xen_libs"
2662       then
2663       xen_ctrl_version=40600
2664       xen=yes
2665
2666     # Xen 4.5
2667     elif
2668         cat > $TMPC <<EOF &&
2669 #include <xenctrl.h>
2670 #include <xenstore.h>
2671 #include <stdint.h>
2672 #include <xen/hvm/hvm_info_table.h>
2673 #if !defined(HVM_MAX_VCPUS)
2674 # error HVM_MAX_VCPUS not defined
2675 #endif
2676 int main(void) {
2677   xc_interface *xc;
2678   xs_daemon_open();
2679   xc = xc_interface_open(0, 0, 0);
2680   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2681   xc_gnttab_open(NULL, 0);
2682   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2683   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2684   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2685   return 0;
2686 }
2687 EOF
2688         compile_prog "" "$xen_libs"
2689       then
2690       xen_ctrl_version=40500
2691       xen=yes
2692
2693     elif
2694         cat > $TMPC <<EOF &&
2695 #include <xenctrl.h>
2696 #include <xenstore.h>
2697 #include <stdint.h>
2698 #include <xen/hvm/hvm_info_table.h>
2699 #if !defined(HVM_MAX_VCPUS)
2700 # error HVM_MAX_VCPUS not defined
2701 #endif
2702 int main(void) {
2703   xc_interface *xc;
2704   xs_daemon_open();
2705   xc = xc_interface_open(0, 0, 0);
2706   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2707   xc_gnttab_open(NULL, 0);
2708   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2709   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2710   return 0;
2711 }
2712 EOF
2713         compile_prog "" "$xen_libs"
2714       then
2715       xen_ctrl_version=40200
2716       xen=yes
2717
2718     else
2719       if test "$xen" = "yes" ; then
2720         feature_not_found "xen (unsupported version)" \
2721                           "Install a supported xen (xen 4.2 or newer)"
2722       fi
2723       xen=no
2724     fi
2725
2726     if test "$xen" = yes; then
2727       if test $xen_ctrl_version -ge 40701  ; then
2728         libs_softmmu="$xen_stable_libs $libs_softmmu"
2729       fi
2730       libs_softmmu="$xen_libs $libs_softmmu"
2731     fi
2732   fi
2733 fi
2734
2735 if test "$xen_pci_passthrough" != "no"; then
2736   if test "$xen" = "yes" && test "$linux" = "yes"; then
2737     xen_pci_passthrough=yes
2738   else
2739     if test "$xen_pci_passthrough" = "yes"; then
2740       error_exit "User requested feature Xen PCI Passthrough" \
2741           " but this feature requires /sys from Linux"
2742     fi
2743     xen_pci_passthrough=no
2744   fi
2745 fi
2746
2747 ##########################################
2748 # Windows Hypervisor Platform accelerator (WHPX) check
2749 if test "$whpx" != "no" ; then
2750     if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
2751         whpx="yes"
2752     else
2753         if test "$whpx" = "yes"; then
2754             feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
2755         fi
2756         whpx="no"
2757     fi
2758 fi
2759
2760 ##########################################
2761 # Sparse probe
2762 if test "$sparse" != "no" ; then
2763   if has cgcc; then
2764     sparse=yes
2765   else
2766     if test "$sparse" = "yes" ; then
2767       feature_not_found "sparse" "Install sparse binary"
2768     fi
2769     sparse=no
2770   fi
2771 fi
2772
2773 ##########################################
2774 # X11 probe
2775 if $pkg_config --exists "x11"; then
2776     have_x11=yes
2777     x11_cflags=$($pkg_config --cflags x11)
2778     x11_libs=$($pkg_config --libs x11)
2779 fi
2780
2781 ##########################################
2782 # GTK probe
2783
2784 if test "$gtk" != "no"; then
2785     gtkpackage="gtk+-3.0"
2786     gtkx11package="gtk+-x11-3.0"
2787     gtkversion="3.14.0"
2788     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2789         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2790         gtk_libs=$($pkg_config --libs $gtkpackage)
2791         gtk_version=$($pkg_config --modversion $gtkpackage)
2792         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2793             need_x11=yes
2794             gtk_cflags="$gtk_cflags $x11_cflags"
2795             gtk_libs="$gtk_libs $x11_libs"
2796         fi
2797         gtk="yes"
2798     elif test "$gtk" = "yes"; then
2799         feature_not_found "gtk" "Install gtk3-devel"
2800     else
2801         gtk="no"
2802     fi
2803 fi
2804
2805
2806 ##########################################
2807 # GNUTLS probe
2808
2809 if test "$gnutls" != "no"; then
2810     pass="no"
2811     if $pkg_config --exists "gnutls >= 3.1.18"; then
2812         gnutls_cflags=$($pkg_config --cflags gnutls)
2813         gnutls_libs=$($pkg_config --libs gnutls)
2814         # Packaging for the static libraries is not always correct.
2815         # At least ubuntu 18.04 ships only shared libraries.
2816         write_c_skeleton
2817         if compile_prog "" "$gnutls_libs" ; then
2818             LIBS="$gnutls_libs $LIBS"
2819             QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2820             pass="yes"
2821         fi
2822     fi
2823     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2824         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2825     else
2826         gnutls="$pass"
2827     fi
2828 fi
2829
2830
2831 # If user didn't give a --disable/enable-gcrypt flag,
2832 # then mark as disabled if user requested nettle
2833 # explicitly
2834 if test -z "$gcrypt"
2835 then
2836     if test "$nettle" = "yes"
2837     then
2838         gcrypt="no"
2839     fi
2840 fi
2841
2842 # If user didn't give a --disable/enable-nettle flag,
2843 # then mark as disabled if user requested gcrypt
2844 # explicitly
2845 if test -z "$nettle"
2846 then
2847     if test "$gcrypt" = "yes"
2848     then
2849         nettle="no"
2850     fi
2851 fi
2852
2853 has_libgcrypt() {
2854     if ! has "libgcrypt-config"
2855     then
2856         return 1
2857     fi
2858
2859     if test -n "$cross_prefix"
2860     then
2861         host=$(libgcrypt-config --host)
2862         if test "$host-" != $cross_prefix
2863         then
2864             return 1
2865         fi
2866     fi
2867
2868     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2869     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2870
2871     if test $maj != 1 || test $min -lt 5
2872     then
2873        return 1
2874     fi
2875
2876     return 0
2877 }
2878
2879
2880 if test "$nettle" != "no"; then
2881     pass="no"
2882     if $pkg_config --exists "nettle >= 2.7.1"; then
2883         nettle_cflags=$($pkg_config --cflags nettle)
2884         nettle_libs=$($pkg_config --libs nettle)
2885         nettle_version=$($pkg_config --modversion nettle)
2886         # Link test to make sure the given libraries work (e.g for static).
2887         write_c_skeleton
2888         if compile_prog "" "$nettle_libs" ; then
2889             LIBS="$nettle_libs $LIBS"
2890             QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2891             if test -z "$gcrypt"; then
2892                gcrypt="no"
2893             fi
2894             pass="yes"
2895         fi
2896     fi
2897     if test "$pass" = "yes"
2898     then
2899         cat > $TMPC << EOF
2900 #include <nettle/xts.h>
2901 int main(void) {
2902   return 0;
2903 }
2904 EOF
2905         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2906             nettle_xts=yes
2907             qemu_private_xts=no
2908         fi
2909     fi
2910     if test "$pass" = "no" && test "$nettle" = "yes"; then
2911         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
2912     else
2913         nettle="$pass"
2914     fi
2915 fi
2916
2917 if test "$gcrypt" != "no"; then
2918     pass="no"
2919     if has_libgcrypt; then
2920         gcrypt_cflags=$(libgcrypt-config --cflags)
2921         gcrypt_libs=$(libgcrypt-config --libs)
2922         # Debian has removed -lgpg-error from libgcrypt-config
2923         # as it "spreads unnecessary dependencies" which in
2924         # turn breaks static builds...
2925         if test "$static" = "yes"
2926         then
2927             gcrypt_libs="$gcrypt_libs -lgpg-error"
2928         fi
2929
2930         # Link test to make sure the given libraries work (e.g for static).
2931         write_c_skeleton
2932         if compile_prog "" "$gcrypt_libs" ; then
2933             LIBS="$gcrypt_libs $LIBS"
2934             QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2935             pass="yes"
2936         fi
2937     fi
2938     if test "$pass" = "yes"; then
2939         gcrypt="yes"
2940         cat > $TMPC << EOF
2941 #include <gcrypt.h>
2942 int main(void) {
2943   gcry_mac_hd_t handle;
2944   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2945                 GCRY_MAC_FLAG_SECURE, NULL);
2946   return 0;
2947 }
2948 EOF
2949         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2950             gcrypt_hmac=yes
2951         fi
2952         cat > $TMPC << EOF
2953 #include <gcrypt.h>
2954 int main(void) {
2955   gcry_cipher_hd_t handle;
2956   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
2957   return 0;
2958 }
2959 EOF
2960         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2961             gcrypt_xts=yes
2962             qemu_private_xts=no
2963         fi
2964     elif test "$gcrypt" = "yes"; then
2965         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
2966     else
2967         gcrypt="no"
2968     fi
2969 fi
2970
2971
2972 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2973 then
2974     error_exit "Only one of gcrypt & nettle can be enabled"
2975 fi
2976
2977 ##########################################
2978 # libtasn1 - only for the TLS creds/session test suite
2979
2980 tasn1=yes
2981 tasn1_cflags=""
2982 tasn1_libs=""
2983 if $pkg_config --exists "libtasn1"; then
2984     tasn1_cflags=$($pkg_config --cflags libtasn1)
2985     tasn1_libs=$($pkg_config --libs libtasn1)
2986 else
2987     tasn1=no
2988 fi
2989
2990
2991 ##########################################
2992 # PAM probe
2993
2994 if test "$auth_pam" != "no"; then
2995     cat > $TMPC <<EOF
2996 #include <security/pam_appl.h>
2997 #include <stdio.h>
2998 int main(void) {
2999    const char *service_name = "qemu";
3000    const char *user = "frank";
3001    const struct pam_conv pam_conv = { 0 };
3002    pam_handle_t *pamh = NULL;
3003    pam_start(service_name, user, &pam_conv, &pamh);
3004    return 0;
3005 }
3006 EOF
3007     if compile_prog "" "-lpam" ; then
3008         auth_pam=yes
3009     else
3010         if test "$auth_pam" = "yes"; then
3011             feature_not_found "PAM" "Install PAM development package"
3012         else
3013             auth_pam=no
3014         fi
3015     fi
3016 fi
3017
3018 ##########################################
3019 # getifaddrs (for tests/test-io-channel-socket )
3020
3021 have_ifaddrs_h=yes
3022 if ! check_include "ifaddrs.h" ; then
3023   have_ifaddrs_h=no
3024 fi
3025
3026 ##########################################
3027 # VTE probe
3028
3029 if test "$vte" != "no"; then
3030     vteminversion="0.32.0"
3031     if $pkg_config --exists "vte-2.91"; then
3032       vtepackage="vte-2.91"
3033     else
3034       vtepackage="vte-2.90"
3035     fi
3036     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3037         vte_cflags=$($pkg_config --cflags $vtepackage)
3038         vte_libs=$($pkg_config --libs $vtepackage)
3039         vteversion=$($pkg_config --modversion $vtepackage)
3040         vte="yes"
3041     elif test "$vte" = "yes"; then
3042         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3043     else
3044         vte="no"
3045     fi
3046 fi
3047
3048 ##########################################
3049 # SDL probe
3050
3051 # Look for sdl configuration program (pkg-config or sdl2-config).  Try
3052 # sdl2-config even without cross prefix, and favour pkg-config over sdl2-config.
3053
3054 sdl_probe ()
3055 {
3056   if $pkg_config sdl2 --exists; then
3057     sdlconfig="$pkg_config sdl2"
3058     sdlversion=$($sdlconfig --modversion 2>/dev/null)
3059   elif has "$sdl2_config"; then
3060     sdlconfig="$sdl2_config"
3061     sdlversion=$($sdlconfig --version)
3062   else
3063     if test "$sdl" = "yes" ; then
3064       feature_not_found "sdl" "Install SDL2-devel"
3065     fi
3066     sdl=no
3067     # no need to do the rest
3068     return
3069   fi
3070   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl2-config; then
3071     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
3072   fi
3073
3074   cat > $TMPC << EOF
3075 #include <SDL.h>
3076 #undef main /* We don't want SDL to override our main() */
3077 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
3078 EOF
3079   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
3080   sdl_cflags="$sdl_cflags -Wno-undef"  # workaround 2.0.8 bug
3081   if test "$static" = "yes" ; then
3082     if $pkg_config sdl2 --exists; then
3083       sdl_libs=$($pkg_config sdl2 --static --libs 2>/dev/null)
3084     else
3085       sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
3086     fi
3087   else
3088     sdl_libs=$($sdlconfig --libs 2>/dev/null)
3089   fi
3090   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3091     sdl=yes
3092
3093     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
3094     if test "$sdl" = "yes" && test "$static" = "yes" ; then
3095       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
3096          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
3097          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
3098       fi
3099       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
3100         :
3101       else
3102         sdl=no
3103       fi
3104     fi # static link
3105   else # sdl not found
3106     if test "$sdl" = "yes" ; then
3107       feature_not_found "sdl" "Install SDL2 devel"
3108     fi
3109     sdl=no
3110   fi # sdl compile test
3111 }
3112
3113 sdl_image_probe ()
3114 {
3115     if test "$sdl_image" != "no" ; then
3116         if $pkg_config SDL2_image --exists; then
3117             if test "$static" = "yes"; then
3118                 sdl_image_libs=$($pkg_config SDL2_image --libs --static 2>/dev/null)
3119             else
3120                 sdl_image_libs=$($pkg_config SDL2_image --libs 2>/dev/null)
3121             fi
3122             sdl_image_cflags=$($pkg_config SDL2_image --cflags 2>/dev/null)
3123             sdl_image=yes
3124
3125             sdl_cflags="$sdl_cflags $sdl_image_cflags"
3126             sdl_libs="$sdl_libs $sdl_image_libs"
3127         else
3128             if test "$sdl_image" = "yes" ; then
3129                 feature_not_found "sdl_image" "Install SDL Image devel"
3130             else
3131                 sdl_image=no
3132             fi
3133         fi
3134     fi
3135 }
3136
3137 if test "$sdl" != "no" ; then
3138   sdl_probe
3139 fi
3140
3141 if test "$sdl" = "yes" ; then
3142   sdl_image_probe
3143 else
3144   if test "$sdl_image" = "yes"; then
3145     echo "warning: SDL Image requested, but SDL is not available, disabling"
3146   fi
3147   sdl_image=no
3148 fi
3149
3150 if test "$sdl" = "yes" ; then
3151   cat > $TMPC <<EOF
3152 #include <SDL.h>
3153 #if defined(SDL_VIDEO_DRIVER_X11)
3154 #include <X11/XKBlib.h>
3155 #else
3156 #error No x11 support
3157 #endif
3158 int main(void) { return 0; }
3159 EOF
3160   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
3161     need_x11=yes
3162     sdl_cflags="$sdl_cflags $x11_cflags"
3163     sdl_libs="$sdl_libs $x11_libs"
3164   fi
3165 fi
3166
3167 ##########################################
3168 # RDMA needs OpenFabrics libraries
3169 if test "$rdma" != "no" ; then
3170   cat > $TMPC <<EOF
3171 #include <rdma/rdma_cma.h>
3172 int main(void) { return 0; }
3173 EOF
3174   rdma_libs="-lrdmacm -libverbs -libumad"
3175   if compile_prog "" "$rdma_libs" ; then
3176     rdma="yes"
3177     libs_softmmu="$libs_softmmu $rdma_libs"
3178   else
3179     if test "$rdma" = "yes" ; then
3180         error_exit \
3181             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3182             " Your options:" \
3183             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3184             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3185             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3186     fi
3187     rdma="no"
3188   fi
3189 fi
3190
3191 ##########################################
3192 # PVRDMA detection
3193
3194 cat > $TMPC <<EOF &&
3195 #include <sys/mman.h>
3196
3197 int
3198 main(void)
3199 {
3200     char buf = 0;
3201     void *addr = &buf;
3202     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3203
3204     return 0;
3205 }
3206 EOF
3207
3208 if test "$rdma" = "yes" ; then
3209     case "$pvrdma" in
3210     "")
3211         if compile_prog "" ""; then
3212             pvrdma="yes"
3213         else
3214             pvrdma="no"
3215         fi
3216         ;;
3217     "yes")
3218         if ! compile_prog "" ""; then
3219             error_exit "PVRDMA is not supported since mremap is not implemented"
3220         fi
3221         pvrdma="yes"
3222         ;;
3223     "no")
3224         pvrdma="no"
3225         ;;
3226     esac
3227 else
3228     if test "$pvrdma" = "yes" ; then
3229         error_exit "PVRDMA requires rdma suppport"
3230     fi
3231     pvrdma="no"
3232 fi
3233
3234 # Let's see if enhanced reg_mr is supported
3235 if test "$pvrdma" = "yes" ; then
3236
3237 cat > $TMPC <<EOF &&
3238 #include <infiniband/verbs.h>
3239
3240 int
3241 main(void)
3242 {
3243     struct ibv_mr *mr;
3244     struct ibv_pd *pd = NULL;
3245     size_t length = 10;
3246     uint64_t iova = 0;
3247     int access = 0;
3248     void *addr = NULL;
3249
3250     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3251
3252     ibv_dereg_mr(mr);
3253
3254     return 0;
3255 }
3256 EOF
3257     if ! compile_prog "" "-libverbs"; then
3258         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3259     fi
3260 fi
3261
3262 ##########################################
3263 # VNC SASL detection
3264 if test "$vnc" = "yes" && test "$vnc_sasl" != "no" ; then
3265   cat > $TMPC <<EOF
3266 #include <sasl/sasl.h>
3267 #include <stdio.h>
3268 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
3269 EOF
3270   # Assuming Cyrus-SASL installed in /usr prefix
3271   vnc_sasl_cflags=""
3272   vnc_sasl_libs="-lsasl2"
3273   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
3274     vnc_sasl=yes
3275     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
3276     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
3277   else
3278     if test "$vnc_sasl" = "yes" ; then
3279       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
3280     fi
3281     vnc_sasl=no
3282   fi
3283 fi
3284
3285 ##########################################
3286 # VNC JPEG detection
3287 if test "$vnc" = "yes" && test "$vnc_jpeg" != "no" ; then
3288 cat > $TMPC <<EOF
3289 #include <stdio.h>
3290 #include <jpeglib.h>
3291 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
3292 EOF
3293     vnc_jpeg_cflags=""
3294     vnc_jpeg_libs="-ljpeg"
3295   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
3296     vnc_jpeg=yes
3297     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
3298     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
3299   else
3300     if test "$vnc_jpeg" = "yes" ; then
3301       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
3302     fi
3303     vnc_jpeg=no
3304   fi
3305 fi
3306
3307 ##########################################
3308 # VNC PNG detection
3309 if test "$vnc" = "yes" && test "$vnc_png" != "no" ; then
3310 cat > $TMPC <<EOF
3311 //#include <stdio.h>
3312 #include <png.h>
3313 #include <stddef.h>
3314 int main(void) {
3315     png_structp png_ptr;
3316     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
3317     return png_ptr != 0;
3318 }
3319 EOF
3320   if $pkg_config libpng --exists; then
3321     vnc_png_cflags=$($pkg_config libpng --cflags)
3322     vnc_png_libs=$($pkg_config libpng --libs)
3323   else
3324     vnc_png_cflags=""
3325     vnc_png_libs="-lpng"
3326   fi
3327   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
3328     vnc_png=yes
3329     libs_softmmu="$vnc_png_libs $libs_softmmu"
3330     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
3331   else
3332     if test "$vnc_png" = "yes" ; then
3333       feature_not_found "vnc-png" "Install libpng devel"
3334     fi
3335     vnc_png=no
3336   fi
3337 fi
3338
3339 ##########################################
3340 # xkbcommon probe
3341 if test "$xkbcommon" != "no" ; then
3342   if $pkg_config xkbcommon --exists; then
3343     xkbcommon_cflags=$($pkg_config xkbcommon --cflags)
3344     xkbcommon_libs=$($pkg_config xkbcommon --libs)
3345     xkbcommon=yes
3346   else
3347     if test "$xkbcommon" = "yes" ; then
3348       feature_not_found "xkbcommon" "Install libxkbcommon-devel"
3349     fi
3350     xkbcommon=no
3351   fi
3352 fi
3353
3354
3355 ##########################################
3356 # xfsctl() probe, used for file-posix.c
3357 if test "$xfs" != "no" ; then
3358   cat > $TMPC << EOF
3359 #include <stddef.h>  /* NULL */
3360 #include <xfs/xfs.h>
3361 int main(void)
3362 {
3363     xfsctl(NULL, 0, 0, NULL);
3364     return 0;
3365 }
3366 EOF
3367   if compile_prog "" "" ; then
3368     xfs="yes"
3369   else
3370     if test "$xfs" = "yes" ; then
3371       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
3372     fi
3373     xfs=no
3374   fi
3375 fi
3376
3377 ##########################################
3378 # vde libraries probe
3379 if test "$vde" != "no" ; then
3380   vde_libs="-lvdeplug"
3381   cat > $TMPC << EOF
3382 #include <libvdeplug.h>
3383 int main(void)
3384 {
3385     struct vde_open_args a = {0, 0, 0};
3386     char s[] = "";
3387     vde_open(s, s, &a);
3388     return 0;
3389 }
3390 EOF
3391   if compile_prog "" "$vde_libs" ; then
3392     vde=yes
3393   else
3394     if test "$vde" = "yes" ; then
3395       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3396     fi
3397     vde=no
3398   fi
3399 fi
3400
3401 ##########################################
3402 # netmap support probe
3403 # Apart from looking for netmap headers, we make sure that the host API version
3404 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3405 # a minor/major version number. Minor new features will be marked with values up
3406 # to 15, and if something happens that requires a change to the backend we will
3407 # move above 15, submit the backend fixes and modify this two bounds.
3408 if test "$netmap" != "no" ; then
3409   cat > $TMPC << EOF
3410 #include <inttypes.h>
3411 #include <net/if.h>
3412 #include <net/netmap.h>
3413 #include <net/netmap_user.h>
3414 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3415 #error
3416 #endif
3417 int main(void) { return 0; }
3418 EOF
3419   if compile_prog "" "" ; then
3420     netmap=yes
3421   else
3422     if test "$netmap" = "yes" ; then
3423       feature_not_found "netmap"
3424     fi
3425     netmap=no
3426   fi
3427 fi
3428
3429 ##########################################
3430 # libcap-ng library probe
3431 if test "$cap_ng" != "no" ; then
3432   cap_libs="-lcap-ng"
3433   cat > $TMPC << EOF
3434 #include <cap-ng.h>
3435 int main(void)
3436 {
3437     capng_capability_to_name(CAPNG_EFFECTIVE);
3438     return 0;
3439 }
3440 EOF
3441   if compile_prog "" "$cap_libs" ; then
3442     cap_ng=yes
3443     libs_tools="$cap_libs $libs_tools"
3444   else
3445     if test "$cap_ng" = "yes" ; then
3446       feature_not_found "cap_ng" "Install libcap-ng devel"
3447     fi
3448     cap_ng=no
3449   fi
3450 fi
3451
3452 ##########################################
3453 # Sound support libraries probe
3454
3455 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3456 for drv in $audio_drv_list; do
3457     case $drv in
3458     alsa | try-alsa)
3459     if $pkg_config alsa --exists; then
3460         alsa_libs=$($pkg_config alsa --libs)
3461         if test "$drv" = "try-alsa"; then
3462             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3463         fi
3464     else
3465         if test "$drv" = "try-alsa"; then
3466             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3467         else
3468             error_exit "$drv check failed" \
3469                 "Make sure to have the $drv libs and headers installed."
3470         fi
3471     fi
3472     ;;
3473
3474     pa | try-pa)
3475     if $pkg_config libpulse --exists; then
3476         pulse_libs=$($pkg_config libpulse --libs)
3477         if test "$drv" = "try-pa"; then
3478             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3479         fi
3480     else
3481         if test "$drv" = "try-pa"; then
3482             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3483         else
3484             error_exit "$drv check failed" \
3485                 "Make sure to have the $drv libs and headers installed."
3486         fi
3487     fi
3488     ;;
3489
3490     sdl)
3491     if test "$sdl" = "no"; then
3492         error_exit "sdl not found or disabled, can not use sdl audio driver"
3493     fi
3494     ;;
3495
3496     try-sdl)
3497     if test "$sdl" = "no"; then
3498         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3499     else
3500         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3501     fi
3502     ;;
3503
3504     coreaudio)
3505       coreaudio_libs="-framework CoreAudio"
3506     ;;
3507
3508     dsound)
3509       dsound_libs="-lole32 -ldxguid"
3510       audio_win_int="yes"
3511     ;;
3512
3513     oss)
3514       oss_libs="$oss_lib"
3515     ;;
3516
3517     *)
3518     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3519         error_exit "Unknown driver '$drv' selected" \
3520             "Possible drivers are: $audio_possible_drivers"
3521     }
3522     ;;
3523     esac
3524 done
3525
3526 ##########################################
3527 # BrlAPI probe
3528
3529 if test "$brlapi" != "no" ; then
3530   brlapi_libs="-lbrlapi"
3531   cat > $TMPC << EOF
3532 #include <brlapi.h>
3533 #include <stddef.h>
3534 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3535 EOF
3536   if compile_prog "" "$brlapi_libs" ; then
3537     brlapi=yes
3538   else
3539     if test "$brlapi" = "yes" ; then
3540       feature_not_found "brlapi" "Install brlapi devel"
3541     fi
3542     brlapi=no
3543   fi
3544 fi
3545
3546 ##########################################
3547 # iconv probe
3548 if test "$iconv" != "no" ; then
3549   cat > $TMPC << EOF
3550 #include <iconv.h>
3551 int main(void) {
3552   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3553   return conv != (iconv_t) -1;
3554 }
3555 EOF
3556   iconv_prefix_list="/usr/local:/usr"
3557   iconv_lib_list=":-liconv"
3558   IFS=:
3559   for iconv_prefix in $iconv_prefix_list; do
3560     IFS=:
3561     iconv_cflags="-I$iconv_prefix/include"
3562     iconv_ldflags="-L$iconv_prefix/lib"
3563     for iconv_link in $iconv_lib_list; do
3564       unset IFS
3565       iconv_lib="$iconv_ldflags $iconv_link"
3566       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3567       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3568         iconv_found=yes
3569         break
3570       fi
3571     done
3572     if test "$iconv_found" = yes ; then
3573       break
3574     fi
3575   done
3576   if test "$iconv_found" = "yes" ; then
3577     iconv=yes
3578   else
3579     if test "$iconv" = "yes" ; then
3580       feature_not_found "iconv" "Install iconv devel"
3581     fi
3582     iconv=no
3583   fi
3584 fi
3585
3586 ##########################################
3587 # curses probe
3588 if test "$iconv" = "no" ; then
3589   # curses will need iconv
3590   curses=no
3591 fi
3592 if test "$curses" != "no" ; then
3593   if test "$mingw32" = "yes" ; then
3594     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3595     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3596   else
3597     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3598     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3599   fi
3600   curses_found=no
3601   cat > $TMPC << EOF
3602 #include <locale.h>
3603 #include <curses.h>
3604 #include <wchar.h>
3605 #include <langinfo.h>
3606 int main(void) {
3607   const char *codeset;
3608   wchar_t wch = L'w';
3609   setlocale(LC_ALL, "");
3610   resize_term(0, 0);
3611   addwstr(L"wide chars\n");
3612   addnwstr(&wch, 1);
3613   add_wch(WACS_DEGREE);
3614   codeset = nl_langinfo(CODESET);
3615   return codeset != 0;
3616 }
3617 EOF
3618   IFS=:
3619   for curses_inc in $curses_inc_list; do
3620     # Make sure we get the wide character prototypes
3621     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3622     IFS=:
3623     for curses_lib in $curses_lib_list; do
3624       unset IFS
3625       if compile_prog "$curses_inc" "$curses_lib" ; then
3626         curses_found=yes
3627         break
3628       fi
3629     done
3630     if test "$curses_found" = yes ; then
3631       break
3632     fi
3633   done
3634   unset IFS
3635   if test "$curses_found" = "yes" ; then
3636     curses=yes
3637   else
3638     if test "$curses" = "yes" ; then
3639       feature_not_found "curses" "Install ncurses devel"
3640     fi
3641     curses=no
3642   fi
3643 fi
3644
3645 ##########################################
3646 # curl probe
3647 if test "$curl" != "no" ; then
3648   if $pkg_config libcurl --exists; then
3649     curlconfig="$pkg_config libcurl"
3650   else
3651     curlconfig=curl-config
3652   fi
3653   cat > $TMPC << EOF
3654 #include <curl/curl.h>
3655 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3656 EOF
3657   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3658   curl_libs=$($curlconfig --libs 2>/dev/null)
3659   if compile_prog "$curl_cflags" "$curl_libs" ; then
3660     curl=yes
3661   else
3662     if test "$curl" = "yes" ; then
3663       feature_not_found "curl" "Install libcurl devel"
3664     fi
3665     curl=no
3666   fi
3667 fi # test "$curl"
3668
3669 ##########################################
3670 # glib support probe
3671
3672 glib_req_ver=2.48
3673 glib_modules=gthread-2.0
3674 if test "$modules" = yes; then
3675     glib_modules="$glib_modules gmodule-export-2.0"
3676 fi
3677 if test "$plugins" = yes; then
3678     glib_modules="$glib_modules gmodule-2.0"
3679 fi
3680
3681 # This workaround is required due to a bug in pkg-config file for glib as it
3682 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3683
3684 if test "$static" = yes && test "$mingw32" = yes; then
3685     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3686 fi
3687
3688 for i in $glib_modules; do
3689     if $pkg_config --atleast-version=$glib_req_ver $i; then
3690         glib_cflags=$($pkg_config --cflags $i)
3691         glib_libs=$($pkg_config --libs $i)
3692         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3693         LIBS="$glib_libs $LIBS"
3694         libs_qga="$glib_libs $libs_qga"
3695     else
3696         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3697     fi
3698 done
3699
3700 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3701     gio=yes
3702     gio_cflags=$($pkg_config --cflags gio-2.0)
3703     gio_libs=$($pkg_config --libs gio-2.0)
3704     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3705     if [ ! -x "$gdbus_codegen" ]; then
3706         gdbus_codegen=
3707     fi
3708 else
3709     gio=no
3710 fi
3711
3712 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3713     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3714     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3715 fi
3716
3717 # Sanity check that the current size_t matches the
3718 # size that glib thinks it should be. This catches
3719 # problems on multi-arch where people try to build
3720 # 32-bit QEMU while pointing at 64-bit glib headers
3721 cat > $TMPC <<EOF
3722 #include <glib.h>
3723 #include <unistd.h>
3724
3725 #define QEMU_BUILD_BUG_ON(x) \
3726   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3727
3728 int main(void) {
3729    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3730    return 0;
3731 }
3732 EOF
3733
3734 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3735     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3736                "You probably need to set PKG_CONFIG_LIBDIR"\
3737                "to point to the right pkg-config files for your"\
3738                "build target"
3739 fi
3740
3741 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3742 cat > $TMPC << EOF
3743 #include <glib.h>
3744 int main(void) { return 0; }
3745 EOF
3746 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3747     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3748         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3749         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3750     fi
3751 fi
3752
3753 #########################################
3754 # zlib check
3755
3756 if test "$zlib" != "no" ; then
3757     if $pkg_config --exists zlib; then
3758         zlib_cflags=$($pkg_config --cflags zlib)
3759         zlib_libs=$($pkg_config --libs zlib)
3760         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3761         LIBS="$zlib_libs $LIBS"
3762     else
3763         cat > $TMPC << EOF
3764 #include <zlib.h>
3765 int main(void) { zlibVersion(); return 0; }
3766 EOF
3767         if compile_prog "" "-lz" ; then
3768             LIBS="$LIBS -lz"
3769         else
3770             error_exit "zlib check failed" \
3771                 "Make sure to have the zlib libs and headers installed."
3772         fi
3773     fi
3774 fi
3775
3776 ##########################################
3777 # SHA command probe for modules
3778 if test "$modules" = yes; then
3779     shacmd_probe="sha1sum sha1 shasum"
3780     for c in $shacmd_probe; do
3781         if has $c; then
3782             shacmd="$c"
3783             break
3784         fi
3785     done
3786     if test "$shacmd" = ""; then
3787         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3788     fi
3789 fi
3790
3791 ##########################################
3792 # pixman support probe
3793
3794 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3795   pixman_cflags=
3796   pixman_libs=
3797 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3798   pixman_cflags=$($pkg_config --cflags pixman-1)
3799   pixman_libs=$($pkg_config --libs pixman-1)
3800 else
3801   error_exit "pixman >= 0.21.8 not present." \
3802       "Please install the pixman devel package."
3803 fi
3804
3805 ##########################################
3806 # libmpathpersist probe
3807
3808 if test "$mpath" != "no" ; then
3809   # probe for the new API
3810   cat > $TMPC <<EOF
3811 #include <libudev.h>
3812 #include <mpath_persist.h>
3813 unsigned mpath_mx_alloc_len = 1024;
3814 int logsink;
3815 static struct config *multipath_conf;
3816 extern struct udev *udev;
3817 extern struct config *get_multipath_config(void);
3818 extern void put_multipath_config(struct config *conf);
3819 struct udev *udev;
3820 struct config *get_multipath_config(void) { return multipath_conf; }
3821 void put_multipath_config(struct config *conf) { }
3822
3823 int main(void) {
3824     udev = udev_new();
3825     multipath_conf = mpath_lib_init();
3826     return 0;
3827 }
3828 EOF
3829   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3830     mpathpersist=yes
3831     mpathpersist_new_api=yes
3832   else
3833     # probe for the old API
3834     cat > $TMPC <<EOF
3835 #include <libudev.h>
3836 #include <mpath_persist.h>
3837 unsigned mpath_mx_alloc_len = 1024;
3838 int logsink;
3839 int main(void) {
3840     struct udev *udev = udev_new();
3841     mpath_lib_init(udev);
3842     return 0;
3843 }
3844 EOF
3845     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3846       mpathpersist=yes
3847       mpathpersist_new_api=no
3848     else
3849       mpathpersist=no
3850     fi
3851   fi
3852 else
3853   mpathpersist=no
3854 fi
3855
3856 ##########################################
3857 # pthread probe
3858 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3859
3860 pthread=no
3861 cat > $TMPC << EOF
3862 #include <pthread.h>
3863 static void *f(void *p) { return NULL; }
3864 int main(void) {
3865   pthread_t thread;
3866   pthread_create(&thread, 0, f, 0);
3867   return 0;
3868 }
3869 EOF
3870 if compile_prog "" "" ; then
3871   pthread=yes
3872 else
3873   for pthread_lib in $PTHREADLIBS_LIST; do
3874     if compile_prog "" "$pthread_lib" ; then
3875       pthread=yes
3876       found=no
3877       for lib_entry in $LIBS; do
3878         if test "$lib_entry" = "$pthread_lib"; then
3879           found=yes
3880           break
3881         fi
3882       done
3883       if test "$found" = "no"; then
3884         LIBS="$pthread_lib $LIBS"
3885         libs_qga="$pthread_lib $libs_qga"
3886       fi
3887       PTHREAD_LIB="$pthread_lib"
3888       break
3889     fi
3890   done
3891 fi
3892
3893 if test "$mingw32" != yes && test "$pthread" = no; then
3894   error_exit "pthread check failed" \
3895       "Make sure to have the pthread libs and headers installed."
3896 fi
3897
3898 # check for pthread_setname_np with thread id
3899 pthread_setname_np_w_tid=no
3900 cat > $TMPC << EOF
3901 #include <pthread.h>
3902
3903 static void *f(void *p) { return NULL; }
3904 int main(void)
3905 {
3906     pthread_t thread;
3907     pthread_create(&thread, 0, f, 0);
3908     pthread_setname_np(thread, "QEMU");
3909     return 0;
3910 }
3911 EOF
3912 if compile_prog "" "$pthread_lib" ; then
3913   pthread_setname_np_w_tid=yes
3914 fi
3915
3916 # check for pthread_setname_np without thread id
3917 pthread_setname_np_wo_tid=no
3918 cat > $TMPC << EOF
3919 #include <pthread.h>
3920
3921 static void *f(void *p) { pthread_setname_np("QEMU"); }
3922 int main(void)
3923 {
3924     pthread_t thread;
3925     pthread_create(&thread, 0, f, 0);
3926     return 0;
3927 }
3928 EOF
3929 if compile_prog "" "$pthread_lib" ; then
3930   pthread_setname_np_wo_tid=yes
3931 fi
3932
3933 ##########################################
3934 # rbd probe
3935 if test "$rbd" != "no" ; then
3936   cat > $TMPC <<EOF
3937 #include <stdio.h>
3938 #include <rbd/librbd.h>
3939 int main(void) {
3940     rados_t cluster;
3941     rados_create(&cluster, NULL);
3942     return 0;
3943 }
3944 EOF
3945   rbd_libs="-lrbd -lrados"
3946   if compile_prog "" "$rbd_libs" ; then
3947     rbd=yes
3948   else
3949     if test "$rbd" = "yes" ; then
3950       feature_not_found "rados block device" "Install librbd/ceph devel"
3951     fi
3952     rbd=no
3953   fi
3954 fi
3955
3956 ##########################################
3957 # libssh probe
3958 if test "$libssh" != "no" ; then
3959   if $pkg_config --exists libssh; then
3960     libssh_cflags=$($pkg_config libssh --cflags)
3961     libssh_libs=$($pkg_config libssh --libs)
3962     libssh=yes
3963   else
3964     if test "$libssh" = "yes" ; then
3965       error_exit "libssh required for --enable-libssh"
3966     fi
3967     libssh=no
3968   fi
3969 fi
3970
3971 ##########################################
3972 # Check for libssh 0.8
3973 # This is done like this instead of using the LIBSSH_VERSION_* and
3974 # SSH_VERSION_* macros because some distributions in the past shipped
3975 # snapshots of the future 0.8 from Git, and those snapshots did not
3976 # have updated version numbers (still referring to 0.7.0).
3977
3978 if test "$libssh" = "yes"; then
3979   cat > $TMPC <<EOF
3980 #include <libssh/libssh.h>
3981 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3982 EOF
3983   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3984     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3985   fi
3986 fi
3987
3988 ##########################################
3989 # linux-aio probe
3990
3991 if test "$linux_aio" != "no" ; then
3992   cat > $TMPC <<EOF
3993 #include <libaio.h>
3994 #include <sys/eventfd.h>
3995 #include <stddef.h>
3996 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3997 EOF
3998   if compile_prog "" "-laio" ; then
3999     linux_aio=yes
4000   else
4001     if test "$linux_aio" = "yes" ; then
4002       feature_not_found "linux AIO" "Install libaio devel"
4003     fi
4004     linux_aio=no
4005   fi
4006 fi
4007
4008 ##########################################
4009 # TPM emulation is only on POSIX
4010
4011 if test "$tpm" = ""; then
4012   if test "$mingw32" = "yes"; then
4013     tpm=no
4014   else
4015     tpm=yes
4016   fi
4017 elif test "$tpm" = "yes"; then
4018   if test "$mingw32" = "yes" ; then
4019     error_exit "TPM emulation only available on POSIX systems"
4020   fi
4021 fi
4022
4023 ##########################################
4024 # attr probe
4025
4026 if test "$attr" != "no" ; then
4027   cat > $TMPC <<EOF
4028 #include <stdio.h>
4029 #include <sys/types.h>
4030 #ifdef CONFIG_LIBATTR
4031 #include <attr/xattr.h>
4032 #else
4033 #include <sys/xattr.h>
4034 #endif
4035 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4036 EOF
4037   if compile_prog "" "" ; then
4038     attr=yes
4039   # Older distros have <attr/xattr.h>, and need -lattr:
4040   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4041     attr=yes
4042     LIBS="-lattr $LIBS"
4043     libattr=yes
4044   else
4045     if test "$attr" = "yes" ; then
4046       feature_not_found "ATTR" "Install libc6 or libattr devel"
4047     fi
4048     attr=no
4049   fi
4050 fi
4051
4052 ##########################################
4053 # iovec probe
4054 cat > $TMPC <<EOF
4055 #include <sys/types.h>
4056 #include <sys/uio.h>
4057 #include <unistd.h>
4058 int main(void) { return sizeof(struct iovec); }
4059 EOF
4060 iovec=no
4061 if compile_prog "" "" ; then
4062   iovec=yes
4063 fi
4064
4065 ##########################################
4066 # preadv probe
4067 cat > $TMPC <<EOF
4068 #include <sys/types.h>
4069 #include <sys/uio.h>
4070 #include <unistd.h>
4071 int main(void) { return preadv(0, 0, 0, 0); }
4072 EOF
4073 preadv=no
4074 if compile_prog "" "" ; then
4075   preadv=yes
4076 fi
4077
4078 ##########################################
4079 # fdt probe
4080 # fdt support is mandatory for at least some target architectures,
4081 # so insist on it if we're building those system emulators.
4082 fdt_required=no
4083 for target in $target_list; do
4084   case $target in
4085     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4086       fdt_required=yes
4087     ;;
4088   esac
4089 done
4090
4091 if test "$fdt_required" = "yes"; then
4092   if test "$fdt" = "no"; then
4093     error_exit "fdt disabled but some requested targets require it." \
4094       "You can turn off fdt only if you also disable all the system emulation" \
4095       "targets which need it (by specifying a cut down --target-list)."
4096   fi
4097   fdt=yes
4098 elif test "$fdt" != "yes" ; then
4099   fdt=no
4100 fi
4101
4102 if test "$fdt" != "no" ; then
4103   fdt_libs="-lfdt"
4104   # explicitly check for libfdt_env.h as it is missing in some stable installs
4105   # and test for required functions to make sure we are on a version >= 1.4.2
4106   cat > $TMPC << EOF
4107 #include <libfdt.h>
4108 #include <libfdt_env.h>
4109 int main(void) { fdt_check_full(NULL, 0); return 0; }
4110 EOF
4111   if compile_prog "" "$fdt_libs" ; then
4112     # system DTC is good - use it
4113     fdt=system
4114   else
4115       # have GIT checkout, so activate dtc submodule
4116       if test -e "${source_path}/.git" ; then
4117           git_submodules="${git_submodules} dtc"
4118       fi
4119       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4120           fdt=git
4121           mkdir -p dtc
4122           if [ "$pwd_is_source_path" != "y" ] ; then
4123               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4124               symlink "$source_path/dtc/scripts" "dtc/scripts"
4125           fi
4126           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4127           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4128           fdt_libs="$fdt_libs"
4129       elif test "$fdt" = "yes" ; then
4130           # Not a git build & no libfdt found, prompt for system install
4131           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4132                      "Please install the DTC (libfdt) devel package"
4133       else
4134           # don't have and don't want
4135           fdt_libs=
4136           fdt=no
4137       fi
4138   fi
4139 fi
4140
4141 libs_softmmu="$libs_softmmu $fdt_libs"
4142
4143 ##########################################
4144 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4145
4146 gbm="no"
4147 if $pkg_config gbm; then
4148     gbm_cflags="$($pkg_config --cflags gbm)"
4149     gbm_libs="$($pkg_config --libs gbm)"
4150     gbm="yes"
4151 fi
4152
4153 if test "$opengl" != "no" ; then
4154   opengl_pkgs="epoxy gbm"
4155   if $pkg_config $opengl_pkgs; then
4156     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4157     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4158     opengl=yes
4159     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4160         gtk_gl="yes"
4161     fi
4162     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4163   else
4164     if test "$opengl" = "yes" ; then
4165       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4166     fi
4167     opengl_cflags=""
4168     opengl_libs=""
4169     opengl=no
4170   fi
4171 fi
4172
4173 if test "$opengl" = "yes"; then
4174   cat > $TMPC << EOF
4175 #include <epoxy/egl.h>
4176 #ifndef EGL_MESA_image_dma_buf_export
4177 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4178 #endif
4179 int main(void) { return 0; }
4180 EOF
4181   if compile_prog "" "" ; then
4182     opengl_dmabuf=yes
4183   fi
4184 fi
4185
4186 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4187   for target in $target_list; do
4188     case $target in
4189       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4190         need_x11=yes
4191       ;;
4192     esac
4193   done
4194 fi
4195
4196 ##########################################
4197 # libxml2 probe
4198 if test "$libxml2" != "no" ; then
4199     if $pkg_config --exists libxml-2.0; then
4200         libxml2="yes"
4201         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4202         libxml2_libs=$($pkg_config --libs libxml-2.0)
4203     else
4204         if test "$libxml2" = "yes"; then
4205             feature_not_found "libxml2" "Install libxml2 devel"
4206         fi
4207         libxml2="no"
4208     fi
4209 fi
4210
4211 ##########################################
4212 # glusterfs probe
4213 if test "$glusterfs" != "no" ; then
4214   if $pkg_config --atleast-version=3 glusterfs-api; then
4215     glusterfs="yes"
4216     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4217     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4218     if $pkg_config --atleast-version=4 glusterfs-api; then
4219       glusterfs_xlator_opt="yes"
4220     fi
4221     if $pkg_config --atleast-version=5 glusterfs-api; then
4222       glusterfs_discard="yes"
4223     fi
4224     if $pkg_config --atleast-version=6 glusterfs-api; then
4225       glusterfs_fallocate="yes"
4226       glusterfs_zerofill="yes"
4227     fi
4228     cat > $TMPC << EOF
4229 #include <glusterfs/api/glfs.h>
4230
4231 int
4232 main(void)
4233 {
4234         /* new glfs_ftruncate() passes two additional args */
4235         return glfs_ftruncate(NULL, 0, NULL, NULL);
4236 }
4237 EOF
4238     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4239       glusterfs_ftruncate_has_stat="yes"
4240     fi
4241     cat > $TMPC << EOF
4242 #include <glusterfs/api/glfs.h>
4243
4244 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4245 static void
4246 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4247 {}
4248
4249 int
4250 main(void)
4251 {
4252         glfs_io_cbk iocb = &glusterfs_iocb;
4253         iocb(NULL, 0 , NULL, NULL, NULL);
4254         return 0;
4255 }
4256 EOF
4257     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4258       glusterfs_iocb_has_stat="yes"
4259     fi
4260   else
4261     if test "$glusterfs" = "yes" ; then
4262       feature_not_found "GlusterFS backend support" \
4263           "Install glusterfs-api devel >= 3"
4264     fi
4265     glusterfs="no"
4266   fi
4267 fi
4268
4269 # Check for inotify functions when we are building linux-user
4270 # emulator.  This is done because older glibc versions don't
4271 # have syscall stubs for these implemented.  In that case we
4272 # don't provide them even if kernel supports them.
4273 #
4274 inotify=no
4275 cat > $TMPC << EOF
4276 #include <sys/inotify.h>
4277
4278 int
4279 main(void)
4280 {
4281         /* try to start inotify */
4282         return inotify_init();
4283 }
4284 EOF
4285 if compile_prog "" "" ; then
4286   inotify=yes
4287 fi
4288
4289 inotify1=no
4290 cat > $TMPC << EOF
4291 #include <sys/inotify.h>
4292
4293 int
4294 main(void)
4295 {
4296     /* try to start inotify */
4297     return inotify_init1(0);
4298 }
4299 EOF
4300 if compile_prog "" "" ; then
4301   inotify1=yes
4302 fi
4303
4304 # check if pipe2 is there
4305 pipe2=no
4306 cat > $TMPC << EOF
4307 #include <unistd.h>
4308 #include <fcntl.h>
4309
4310 int main(void)
4311 {
4312     int pipefd[2];
4313     return pipe2(pipefd, O_CLOEXEC);
4314 }
4315 EOF
4316 if compile_prog "" "" ; then
4317   pipe2=yes
4318 fi
4319
4320 # check if accept4 is there
4321 accept4=no
4322 cat > $TMPC << EOF
4323 #include <sys/socket.h>
4324 #include <stddef.h>
4325
4326 int main(void)
4327 {
4328     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4329     return 0;
4330 }
4331 EOF
4332 if compile_prog "" "" ; then
4333   accept4=yes
4334 fi
4335
4336 # check if tee/splice is there. vmsplice was added same time.
4337 splice=no
4338 cat > $TMPC << EOF
4339 #include <unistd.h>
4340 #include <fcntl.h>
4341 #include <limits.h>
4342
4343 int main(void)
4344 {
4345     int len, fd = 0;
4346     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4347     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4348     return 0;
4349 }
4350 EOF
4351 if compile_prog "" "" ; then
4352   splice=yes
4353 fi
4354
4355 ##########################################
4356 # libnuma probe
4357
4358 if test "$numa" != "no" ; then
4359   cat > $TMPC << EOF
4360 #include <numa.h>
4361 int main(void) { return numa_available(); }
4362 EOF
4363
4364   if compile_prog "" "-lnuma" ; then
4365     numa=yes
4366     libs_softmmu="-lnuma $libs_softmmu"
4367   else
4368     if test "$numa" = "yes" ; then
4369       feature_not_found "numa" "install numactl devel"
4370     fi
4371     numa=no
4372   fi
4373 fi
4374
4375 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4376     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4377     exit 1
4378 fi
4379
4380 # Even if malloc_trim() is available, these non-libc memory allocators
4381 # do not support it.
4382 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4383     if test "$malloc_trim" = "yes" ; then
4384         echo "Disabling malloc_trim with non-libc memory allocator"
4385     fi
4386     malloc_trim="no"
4387 fi
4388
4389 #######################################
4390 # malloc_trim
4391
4392 if test "$malloc_trim" != "no" ; then
4393     cat > $TMPC << EOF
4394 #include <malloc.h>
4395 int main(void) { malloc_trim(0); return 0; }
4396 EOF
4397     if compile_prog "" "" ; then
4398         malloc_trim="yes"
4399     else
4400         malloc_trim="no"
4401     fi
4402 fi
4403
4404 ##########################################
4405 # tcmalloc probe
4406
4407 if test "$tcmalloc" = "yes" ; then
4408   cat > $TMPC << EOF
4409 #include <stdlib.h>
4410 int main(void) { malloc(1); return 0; }
4411 EOF
4412
4413   if compile_prog "" "-ltcmalloc" ; then
4414     LIBS="-ltcmalloc $LIBS"
4415   else
4416     feature_not_found "tcmalloc" "install gperftools devel"
4417   fi
4418 fi
4419
4420 ##########################################
4421 # jemalloc probe
4422
4423 if test "$jemalloc" = "yes" ; then
4424   cat > $TMPC << EOF
4425 #include <stdlib.h>
4426 int main(void) { malloc(1); return 0; }
4427 EOF
4428
4429   if compile_prog "" "-ljemalloc" ; then
4430     LIBS="-ljemalloc $LIBS"
4431   else
4432     feature_not_found "jemalloc" "install jemalloc devel"
4433   fi
4434 fi
4435
4436 ##########################################
4437 # signalfd probe
4438 signalfd="no"
4439 cat > $TMPC << EOF
4440 #include <unistd.h>
4441 #include <sys/syscall.h>
4442 #include <signal.h>
4443 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4444 EOF
4445
4446 if compile_prog "" "" ; then
4447   signalfd=yes
4448 fi
4449
4450 # check if optreset global is declared by <getopt.h>
4451 optreset="no"
4452 cat > $TMPC << EOF
4453 #include <getopt.h>
4454 int main(void) { return optreset; }
4455 EOF
4456
4457 if compile_prog "" "" ; then
4458   optreset=yes
4459 fi
4460
4461 # check if eventfd is supported
4462 eventfd=no
4463 cat > $TMPC << EOF
4464 #include <sys/eventfd.h>
4465
4466 int main(void)
4467 {
4468     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4469 }
4470 EOF
4471 if compile_prog "" "" ; then
4472   eventfd=yes
4473 fi
4474
4475 # check if memfd is supported
4476 memfd=no
4477 cat > $TMPC << EOF
4478 #include <sys/mman.h>
4479
4480 int main(void)
4481 {
4482     return memfd_create("foo", MFD_ALLOW_SEALING);
4483 }
4484 EOF
4485 if compile_prog "" "" ; then
4486   memfd=yes
4487 fi
4488
4489 # check for usbfs
4490 have_usbfs=no
4491 if test "$linux_user" = "yes"; then
4492   cat > $TMPC << EOF
4493 #include <linux/usbdevice_fs.h>
4494
4495 #ifndef USBDEVFS_GET_CAPABILITIES
4496 #error "USBDEVFS_GET_CAPABILITIES undefined"
4497 #endif
4498
4499 #ifndef USBDEVFS_DISCONNECT_CLAIM
4500 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4501 #endif
4502
4503 int main(void)
4504 {
4505     return 0;
4506 }
4507 EOF
4508   if compile_prog "" ""; then
4509     have_usbfs=yes
4510   fi
4511 fi
4512
4513 # check for fallocate
4514 fallocate=no
4515 cat > $TMPC << EOF
4516 #include <fcntl.h>
4517
4518 int main(void)
4519 {
4520     fallocate(0, 0, 0, 0);
4521     return 0;
4522 }
4523 EOF
4524 if compile_prog "" "" ; then
4525   fallocate=yes
4526 fi
4527
4528 # check for fallocate hole punching
4529 fallocate_punch_hole=no
4530 cat > $TMPC << EOF
4531 #include <fcntl.h>
4532 #include <linux/falloc.h>
4533
4534 int main(void)
4535 {
4536     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4537     return 0;
4538 }
4539 EOF
4540 if compile_prog "" "" ; then
4541   fallocate_punch_hole=yes
4542 fi
4543
4544 # check that fallocate supports range zeroing inside the file
4545 fallocate_zero_range=no
4546 cat > $TMPC << EOF
4547 #include <fcntl.h>
4548 #include <linux/falloc.h>
4549
4550 int main(void)
4551 {
4552     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4553     return 0;
4554 }
4555 EOF
4556 if compile_prog "" "" ; then
4557   fallocate_zero_range=yes
4558 fi
4559
4560 # check for posix_fallocate
4561 posix_fallocate=no
4562 cat > $TMPC << EOF
4563 #include <fcntl.h>
4564
4565 int main(void)
4566 {
4567     posix_fallocate(0, 0, 0);
4568     return 0;
4569 }
4570 EOF
4571 if compile_prog "" "" ; then
4572     posix_fallocate=yes
4573 fi
4574
4575 # check for sync_file_range
4576 sync_file_range=no
4577 cat > $TMPC << EOF
4578 #include <fcntl.h>
4579
4580 int main(void)
4581 {
4582     sync_file_range(0, 0, 0, 0);
4583     return 0;
4584 }
4585 EOF
4586 if compile_prog "" "" ; then
4587   sync_file_range=yes
4588 fi
4589
4590 # check for linux/fiemap.h and FS_IOC_FIEMAP
4591 fiemap=no
4592 cat > $TMPC << EOF
4593 #include <sys/ioctl.h>
4594 #include <linux/fs.h>
4595 #include <linux/fiemap.h>
4596
4597 int main(void)
4598 {
4599     ioctl(0, FS_IOC_FIEMAP, 0);
4600     return 0;
4601 }
4602 EOF
4603 if compile_prog "" "" ; then
4604   fiemap=yes
4605 fi
4606
4607 # check for dup3
4608 dup3=no
4609 cat > $TMPC << EOF
4610 #include <unistd.h>
4611
4612 int main(void)
4613 {
4614     dup3(0, 0, 0);
4615     return 0;
4616 }
4617 EOF
4618 if compile_prog "" "" ; then
4619   dup3=yes
4620 fi
4621
4622 # check for ppoll support
4623 ppoll=no
4624 cat > $TMPC << EOF
4625 #include <poll.h>
4626
4627 int main(void)
4628 {
4629     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4630     ppoll(&pfd, 1, 0, 0);
4631     return 0;
4632 }
4633 EOF
4634 if compile_prog "" "" ; then
4635   ppoll=yes
4636 fi
4637
4638 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4639 prctl_pr_set_timerslack=no
4640 cat > $TMPC << EOF
4641 #include <sys/prctl.h>
4642
4643 int main(void)
4644 {
4645     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4646     return 0;
4647 }
4648 EOF
4649 if compile_prog "" "" ; then
4650   prctl_pr_set_timerslack=yes
4651 fi
4652
4653 # check for epoll support
4654 epoll=no
4655 cat > $TMPC << EOF
4656 #include <sys/epoll.h>
4657
4658 int main(void)
4659 {
4660     epoll_create(0);
4661     return 0;
4662 }
4663 EOF
4664 if compile_prog "" "" ; then
4665   epoll=yes
4666 fi
4667
4668 # epoll_create1 is a later addition
4669 # so we must check separately for its presence
4670 epoll_create1=no
4671 cat > $TMPC << EOF
4672 #include <sys/epoll.h>
4673
4674 int main(void)
4675 {
4676     /* Note that we use epoll_create1 as a value, not as
4677      * a function being called. This is necessary so that on
4678      * old SPARC glibc versions where the function was present in
4679      * the library but not declared in the header file we will
4680      * fail the configure check. (Otherwise we will get a compiler
4681      * warning but not an error, and will proceed to fail the
4682      * qemu compile where we compile with -Werror.)
4683      */
4684     return (int)(uintptr_t)&epoll_create1;
4685 }
4686 EOF
4687 if compile_prog "" "" ; then
4688   epoll_create1=yes
4689 fi
4690
4691 # check for sendfile support
4692 sendfile=no
4693 cat > $TMPC << EOF
4694 #include <sys/sendfile.h>
4695
4696 int main(void)
4697 {
4698     return sendfile(0, 0, 0, 0);
4699 }
4700 EOF
4701 if compile_prog "" "" ; then
4702   sendfile=yes
4703 fi
4704
4705 # check for timerfd support (glibc 2.8 and newer)
4706 timerfd=no
4707 cat > $TMPC << EOF
4708 #include <sys/timerfd.h>
4709
4710 int main(void)
4711 {
4712     return(timerfd_create(CLOCK_REALTIME, 0));
4713 }
4714 EOF
4715 if compile_prog "" "" ; then
4716   timerfd=yes
4717 fi
4718
4719 # check for setns and unshare support
4720 setns=no
4721 cat > $TMPC << EOF
4722 #include <sched.h>
4723
4724 int main(void)
4725 {
4726     int ret;
4727     ret = setns(0, 0);
4728     ret = unshare(0);
4729     return ret;
4730 }
4731 EOF
4732 if compile_prog "" "" ; then
4733   setns=yes
4734 fi
4735
4736 # clock_adjtime probe
4737 clock_adjtime=no
4738 cat > $TMPC <<EOF
4739 #include <time.h>
4740
4741 int main(void)
4742 {
4743     return clock_adjtime(0, 0);
4744 }
4745 EOF
4746 clock_adjtime=no
4747 if compile_prog "" "" ; then
4748   clock_adjtime=yes
4749 fi
4750
4751 # syncfs probe
4752 syncfs=no
4753 cat > $TMPC <<EOF
4754 #include <unistd.h>
4755
4756 int main(void)
4757 {
4758     return syncfs(0);
4759 }
4760 EOF
4761 syncfs=no
4762 if compile_prog "" "" ; then
4763   syncfs=yes
4764 fi
4765
4766 # Check we have a new enough version of sphinx-build
4767 has_sphinx_build() {
4768     # This is a bit awkward but works: create a trivial document and
4769     # try to run it with our configuration file (which enforces a
4770     # version requirement). This will fail if either
4771     # sphinx-build doesn't exist at all or if it is too old.
4772     mkdir -p "$TMPDIR1/sphinx"
4773     touch "$TMPDIR1/sphinx/index.rst"
4774     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4775 }
4776
4777 # Check if tools are available to build documentation.
4778 if test "$docs" != "no" ; then
4779   if has makeinfo && has pod2man && has_sphinx_build; then
4780     docs=yes
4781   else
4782     if test "$docs" = "yes" ; then
4783       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4784     fi
4785     docs=no
4786   fi
4787 fi
4788
4789 # Search for bswap_32 function
4790 byteswap_h=no
4791 cat > $TMPC << EOF
4792 #include <byteswap.h>
4793 int main(void) { return bswap_32(0); }
4794 EOF
4795 if compile_prog "" "" ; then
4796   byteswap_h=yes
4797 fi
4798
4799 # Search for bswap32 function
4800 bswap_h=no
4801 cat > $TMPC << EOF
4802 #include <sys/endian.h>
4803 #include <sys/types.h>
4804 #include <machine/bswap.h>
4805 int main(void) { return bswap32(0); }
4806 EOF
4807 if compile_prog "" "" ; then
4808   bswap_h=yes
4809 fi
4810
4811 ##########################################
4812 # Do we have libiscsi >= 1.9.0
4813 if test "$libiscsi" != "no" ; then
4814   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4815     libiscsi="yes"
4816     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4817     libiscsi_libs=$($pkg_config --libs libiscsi)
4818   else
4819     if test "$libiscsi" = "yes" ; then
4820       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4821     fi
4822     libiscsi="no"
4823   fi
4824 fi
4825
4826 ##########################################
4827 # Do we need libm
4828 cat > $TMPC << EOF
4829 #include <math.h>
4830 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4831 EOF
4832 if compile_prog "" "" ; then
4833   :
4834 elif compile_prog "" "-lm" ; then
4835   LIBS="-lm $LIBS"
4836   libs_qga="-lm $libs_qga"
4837 else
4838   error_exit "libm check failed"
4839 fi
4840
4841 ##########################################
4842 # Do we need librt
4843 # uClibc provides 2 versions of clock_gettime(), one with realtime
4844 # support and one without. This means that the clock_gettime() don't
4845 # need -lrt. We still need it for timer_create() so we check for this
4846 # function in addition.
4847 cat > $TMPC <<EOF
4848 #include <signal.h>
4849 #include <time.h>
4850 int main(void) {
4851   timer_create(CLOCK_REALTIME, NULL, NULL);
4852   return clock_gettime(CLOCK_REALTIME, NULL);
4853 }
4854 EOF
4855
4856 if compile_prog "" "" ; then
4857   :
4858 # we need pthread for static linking. use previous pthread test result
4859 elif compile_prog "" "$pthread_lib -lrt" ; then
4860   LIBS="$LIBS -lrt"
4861   libs_qga="$libs_qga -lrt"
4862 fi
4863
4864 # Check whether we need to link libutil for openpty()
4865 cat > $TMPC << EOF
4866 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4867 int main(void) { return openpty(0, 0, 0, 0, 0); }
4868 EOF
4869
4870 if ! compile_prog "" "" ; then
4871   if compile_prog "" "-lutil" ; then
4872     libs_softmmu="-lutil $libs_softmmu"
4873     libs_tools="-lutil $libs_tools"
4874   fi
4875 fi
4876
4877 ##########################################
4878 # spice probe
4879 if test "$spice" != "no" ; then
4880   cat > $TMPC << EOF
4881 #include <spice.h>
4882 int main(void) { spice_server_new(); return 0; }
4883 EOF
4884   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4885   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4886   if $pkg_config --atleast-version=0.12.5 spice-server && \
4887      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4888      compile_prog "$spice_cflags" "$spice_libs" ; then
4889     spice="yes"
4890     libs_softmmu="$libs_softmmu $spice_libs"
4891     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4892     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4893     spice_server_version=$($pkg_config --modversion spice-server)
4894   else
4895     if test "$spice" = "yes" ; then
4896       feature_not_found "spice" \
4897           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4898     fi
4899     spice="no"
4900   fi
4901 fi
4902
4903 # check for smartcard support
4904 if test "$smartcard" != "no"; then
4905     if $pkg_config --atleast-version=2.5.1 libcacard; then
4906         libcacard_cflags=$($pkg_config --cflags libcacard)
4907         libcacard_libs=$($pkg_config --libs libcacard)
4908         smartcard="yes"
4909     else
4910         if test "$smartcard" = "yes"; then
4911             feature_not_found "smartcard" "Install libcacard devel"
4912         fi
4913         smartcard="no"
4914     fi
4915 fi
4916
4917 # check for libusb
4918 if test "$libusb" != "no" ; then
4919     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4920         libusb="yes"
4921         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4922         libusb_libs=$($pkg_config --libs libusb-1.0)
4923     else
4924         if test "$libusb" = "yes"; then
4925             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4926         fi
4927         libusb="no"
4928     fi
4929 fi
4930
4931 # check for usbredirparser for usb network redirection support
4932 if test "$usb_redir" != "no" ; then
4933     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4934         usb_redir="yes"
4935         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4936         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4937     else
4938         if test "$usb_redir" = "yes"; then
4939             feature_not_found "usb-redir" "Install usbredir devel"
4940         fi
4941         usb_redir="no"
4942     fi
4943 fi
4944
4945 ##########################################
4946 # check if we have VSS SDK headers for win
4947
4948 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4949         test "$vss_win32_sdk" != "no" ; then
4950   case "$vss_win32_sdk" in
4951     "")   vss_win32_include="-isystem $source_path" ;;
4952     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4953           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4954           vss_win32_include="-isystem $source_path/.sdk/vss"
4955           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4956           ;;
4957     *)    vss_win32_include="-isystem $vss_win32_sdk"
4958   esac
4959   cat > $TMPC << EOF
4960 #define __MIDL_user_allocate_free_DEFINED__
4961 #include <inc/win2003/vss.h>
4962 int main(void) { return VSS_CTX_BACKUP; }
4963 EOF
4964   if compile_prog "$vss_win32_include" "" ; then
4965     guest_agent_with_vss="yes"
4966     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4967     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4968     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4969   else
4970     if test "$vss_win32_sdk" != "" ; then
4971       echo "ERROR: Please download and install Microsoft VSS SDK:"
4972       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4973       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4974       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4975       echo "ERROR: The headers are extracted in the directory \`inc'."
4976       feature_not_found "VSS support"
4977     fi
4978     guest_agent_with_vss="no"
4979   fi
4980 fi
4981
4982 ##########################################
4983 # lookup Windows platform SDK (if not specified)
4984 # The SDK is needed only to build .tlb (type library) file of guest agent
4985 # VSS provider from the source. It is usually unnecessary because the
4986 # pre-compiled .tlb file is included.
4987
4988 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4989         test "$guest_agent_with_vss" = "yes" ; then
4990   if test -z "$win_sdk"; then
4991     programfiles="$PROGRAMFILES"
4992     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4993     if test -n "$programfiles"; then
4994       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4995     else
4996       feature_not_found "Windows SDK"
4997     fi
4998   elif test "$win_sdk" = "no"; then
4999     win_sdk=""
5000   fi
5001 fi
5002
5003 ##########################################
5004 # check if mingw environment provides a recent ntddscsi.h
5005 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5006   cat > $TMPC << EOF
5007 #include <windows.h>
5008 #include <ntddscsi.h>
5009 int main(void) {
5010 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5011 #error Missing required ioctl definitions
5012 #endif
5013   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5014   return addr.Lun;
5015 }
5016 EOF
5017   if compile_prog "" "" ; then
5018     guest_agent_ntddscsi=yes
5019     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5020   fi
5021 fi
5022
5023 ##########################################
5024 # virgl renderer probe
5025
5026 if test "$virglrenderer" != "no" ; then
5027   cat > $TMPC << EOF
5028 #include <virglrenderer.h>
5029 int main(void) { virgl_renderer_poll(); return 0; }
5030 EOF
5031   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5032   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5033   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5034   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5035      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5036     virglrenderer="yes"
5037   else
5038     if test "$virglrenderer" = "yes" ; then
5039       feature_not_found "virglrenderer"
5040     fi
5041     virglrenderer="no"
5042   fi
5043 fi
5044
5045 ##########################################
5046 # capstone
5047
5048 case "$capstone" in
5049   "" | yes)
5050     if $pkg_config capstone; then
5051       capstone=system
5052     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5053       capstone=git
5054     elif test -e "${source_path}/capstone/Makefile" ; then
5055       capstone=internal
5056     elif test -z "$capstone" ; then
5057       capstone=no
5058     else
5059       feature_not_found "capstone" "Install capstone devel or git submodule"
5060     fi
5061     ;;
5062
5063   system)
5064     if ! $pkg_config capstone; then
5065       feature_not_found "capstone" "Install capstone devel"
5066     fi
5067     ;;
5068 esac
5069
5070 case "$capstone" in
5071   git | internal)
5072     if test "$capstone" = git; then
5073       git_submodules="${git_submodules} capstone"
5074     fi
5075     mkdir -p capstone
5076     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5077     if test "$mingw32" = "yes"; then
5078       LIBCAPSTONE=capstone.lib
5079     else
5080       LIBCAPSTONE=libcapstone.a
5081     fi
5082     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5083     ;;
5084
5085   system)
5086     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5087     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5088     ;;
5089
5090   no)
5091     ;;
5092   *)
5093     error_exit "Unknown state for capstone: $capstone"
5094     ;;
5095 esac
5096
5097 ##########################################
5098 # check if we have fdatasync
5099
5100 fdatasync=no
5101 cat > $TMPC << EOF
5102 #include <unistd.h>
5103 int main(void) {
5104 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5105 return fdatasync(0);
5106 #else
5107 #error Not supported
5108 #endif
5109 }
5110 EOF
5111 if compile_prog "" "" ; then
5112     fdatasync=yes
5113 fi
5114
5115 ##########################################
5116 # check if we have madvise
5117
5118 madvise=no
5119 cat > $TMPC << EOF
5120 #include <sys/types.h>
5121 #include <sys/mman.h>
5122 #include <stddef.h>
5123 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5124 EOF
5125 if compile_prog "" "" ; then
5126     madvise=yes
5127 fi
5128
5129 ##########################################
5130 # check if we have posix_madvise
5131
5132 posix_madvise=no
5133 cat > $TMPC << EOF
5134 #include <sys/mman.h>
5135 #include <stddef.h>
5136 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5137 EOF
5138 if compile_prog "" "" ; then
5139     posix_madvise=yes
5140 fi
5141
5142 ##########################################
5143 # check if we have posix_memalign()
5144
5145 posix_memalign=no
5146 cat > $TMPC << EOF
5147 #include <stdlib.h>
5148 int main(void) {
5149     void *p;
5150     return posix_memalign(&p, 8, 8);
5151 }
5152 EOF
5153 if compile_prog "" "" ; then
5154     posix_memalign=yes
5155 fi
5156
5157 ##########################################
5158 # check if we have posix_syslog
5159
5160 posix_syslog=no
5161 cat > $TMPC << EOF
5162 #include <syslog.h>
5163 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5164 EOF
5165 if compile_prog "" "" ; then
5166     posix_syslog=yes
5167 fi
5168
5169 ##########################################
5170 # check if we have sem_timedwait
5171
5172 sem_timedwait=no
5173 cat > $TMPC << EOF
5174 #include <semaphore.h>
5175 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5176 EOF
5177 if compile_prog "" "" ; then
5178     sem_timedwait=yes
5179 fi
5180
5181 ##########################################
5182 # check if we have strchrnul
5183
5184 strchrnul=no
5185 cat > $TMPC << EOF
5186 #include <string.h>
5187 int main(void);
5188 // Use a haystack that the compiler shouldn't be able to constant fold
5189 char *haystack = (char*)&main;
5190 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5191 EOF
5192 if compile_prog "" "" ; then
5193     strchrnul=yes
5194 fi
5195
5196 ##########################################
5197 # check if trace backend exists
5198
5199 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5200 if test "$?" -ne 0 ; then
5201   error_exit "invalid trace backends" \
5202       "Please choose supported trace backends."
5203 fi
5204
5205 ##########################################
5206 # For 'ust' backend, test if ust headers are present
5207 if have_backend "ust"; then
5208   cat > $TMPC << EOF
5209 #include <lttng/tracepoint.h>
5210 int main(void) { return 0; }
5211 EOF
5212   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5213     if $pkg_config lttng-ust --exists; then
5214       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5215     else
5216       lttng_ust_libs="-llttng-ust -ldl"
5217     fi
5218     if $pkg_config liburcu-bp --exists; then
5219       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5220     else
5221       urcu_bp_libs="-lurcu-bp"
5222     fi
5223
5224     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5225     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5226   else
5227     error_exit "Trace backend 'ust' missing lttng-ust header files"
5228   fi
5229 fi
5230
5231 ##########################################
5232 # For 'dtrace' backend, test if 'dtrace' command is present
5233 if have_backend "dtrace"; then
5234   if ! has 'dtrace' ; then
5235     error_exit "dtrace command is not found in PATH $PATH"
5236   fi
5237   trace_backend_stap="no"
5238   if has 'stap' ; then
5239     trace_backend_stap="yes"
5240   fi
5241 fi
5242
5243 ##########################################
5244 # check and set a backend for coroutine
5245
5246 # We prefer ucontext, but it's not always possible. The fallback
5247 # is sigcontext. On Windows the only valid backend is the Windows
5248 # specific one.
5249
5250 ucontext_works=no
5251 if test "$darwin" != "yes"; then
5252   cat > $TMPC << EOF
5253 #include <ucontext.h>
5254 #ifdef __stub_makecontext
5255 #error Ignoring glibc stub makecontext which will always fail
5256 #endif
5257 int main(void) { makecontext(0, 0, 0); return 0; }
5258 EOF
5259   if compile_prog "" "" ; then
5260     ucontext_works=yes
5261   fi
5262 fi
5263
5264 if test "$coroutine" = ""; then
5265   if test "$mingw32" = "yes"; then
5266     coroutine=win32
5267   elif test "$ucontext_works" = "yes"; then
5268     coroutine=ucontext
5269   else
5270     coroutine=sigaltstack
5271   fi
5272 else
5273   case $coroutine in
5274   windows)
5275     if test "$mingw32" != "yes"; then
5276       error_exit "'windows' coroutine backend only valid for Windows"
5277     fi
5278     # Unfortunately the user visible backend name doesn't match the
5279     # coroutine-*.c filename for this case, so we have to adjust it here.
5280     coroutine=win32
5281     ;;
5282   ucontext)
5283     if test "$ucontext_works" != "yes"; then
5284       feature_not_found "ucontext"
5285     fi
5286     ;;
5287   sigaltstack)
5288     if test "$mingw32" = "yes"; then
5289       error_exit "only the 'windows' coroutine backend is valid for Windows"
5290     fi
5291     ;;
5292   *)
5293     error_exit "unknown coroutine backend $coroutine"
5294     ;;
5295   esac
5296 fi
5297
5298 if test "$coroutine_pool" = ""; then
5299   coroutine_pool=yes
5300 fi
5301
5302 if test "$debug_stack_usage" = "yes"; then
5303   if test "$coroutine_pool" = "yes"; then
5304     echo "WARN: disabling coroutine pool for stack usage debugging"
5305     coroutine_pool=no
5306   fi
5307 fi
5308
5309
5310 ##########################################
5311 # check if we have open_by_handle_at
5312
5313 open_by_handle_at=no
5314 cat > $TMPC << EOF
5315 #include <fcntl.h>
5316 #if !defined(AT_EMPTY_PATH)
5317 # error missing definition
5318 #else
5319 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5320 #endif
5321 EOF
5322 if compile_prog "" "" ; then
5323     open_by_handle_at=yes
5324 fi
5325
5326 ########################################
5327 # check if we have linux/magic.h
5328
5329 linux_magic_h=no
5330 cat > $TMPC << EOF
5331 #include <linux/magic.h>
5332 int main(void) {
5333   return 0;
5334 }
5335 EOF
5336 if compile_prog "" "" ; then
5337     linux_magic_h=yes
5338 fi
5339
5340 ########################################
5341 # check whether we can disable warning option with a pragma (this is needed
5342 # to silence warnings in the headers of some versions of external libraries).
5343 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5344 # only a warning.
5345 #
5346 # If we can't selectively disable warning in the code, disable -Werror so that
5347 # the build doesn't fail anyway.
5348
5349 pragma_disable_unused_but_set=no
5350 cat > $TMPC << EOF
5351 #pragma GCC diagnostic push
5352 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5353 #pragma GCC diagnostic pop
5354
5355 int main(void) {
5356     return 0;
5357 }
5358 EOF
5359 if compile_prog "-Werror" "" ; then
5360     pragma_diagnostic_available=yes
5361 else
5362     werror=no
5363 fi
5364
5365 ########################################
5366 # check if we have valgrind/valgrind.h
5367
5368 valgrind_h=no
5369 cat > $TMPC << EOF
5370 #include <valgrind/valgrind.h>
5371 int main(void) {
5372   return 0;
5373 }
5374 EOF
5375 if compile_prog "" "" ; then
5376     valgrind_h=yes
5377 fi
5378
5379 ########################################
5380 # check if environ is declared
5381
5382 has_environ=no
5383 cat > $TMPC << EOF
5384 #include <unistd.h>
5385 int main(void) {
5386     environ = 0;
5387     return 0;
5388 }
5389 EOF
5390 if compile_prog "" "" ; then
5391     has_environ=yes
5392 fi
5393
5394 ########################################
5395 # check if cpuid.h is usable.
5396
5397 cat > $TMPC << EOF
5398 #include <cpuid.h>
5399 int main(void) {
5400     unsigned a, b, c, d;
5401     int max = __get_cpuid_max(0, 0);
5402
5403     if (max >= 1) {
5404         __cpuid(1, a, b, c, d);
5405     }
5406
5407     if (max >= 7) {
5408         __cpuid_count(7, 0, a, b, c, d);
5409     }
5410
5411     return 0;
5412 }
5413 EOF
5414 if compile_prog "" "" ; then
5415     cpuid_h=yes
5416 fi
5417
5418 ##########################################
5419 # avx2 optimization requirement check
5420 #
5421 # There is no point enabling this if cpuid.h is not usable,
5422 # since we won't be able to select the new routines.
5423
5424 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5425   cat > $TMPC << EOF
5426 #pragma GCC push_options
5427 #pragma GCC target("avx2")
5428 #include <cpuid.h>
5429 #include <immintrin.h>
5430 static int bar(void *a) {
5431     __m256i x = *(__m256i *)a;
5432     return _mm256_testz_si256(x, x);
5433 }
5434 int main(int argc, char *argv[]) { return bar(argv[0]); }
5435 EOF
5436   if compile_object "" ; then
5437     avx2_opt="yes"
5438   else
5439     avx2_opt="no"
5440   fi
5441 fi
5442
5443 ########################################
5444 # check if __[u]int128_t is usable.
5445
5446 int128=no
5447 cat > $TMPC << EOF
5448 __int128_t a;
5449 __uint128_t b;
5450 int main (void) {
5451   a = a + b;
5452   b = a * b;
5453   a = a * a;
5454   return 0;
5455 }
5456 EOF
5457 if compile_prog "" "" ; then
5458     int128=yes
5459 fi
5460
5461 #########################################
5462 # See if 128-bit atomic operations are supported.
5463
5464 atomic128=no
5465 if test "$int128" = "yes"; then
5466   cat > $TMPC << EOF
5467 int main(void)
5468 {
5469   unsigned __int128 x = 0, y = 0;
5470   y = __atomic_load_16(&x, 0);
5471   __atomic_store_16(&x, y, 0);
5472   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5473   return 0;
5474 }
5475 EOF
5476   if compile_prog "" "" ; then
5477     atomic128=yes
5478   fi
5479 fi
5480
5481 cmpxchg128=no
5482 if test "$int128" = yes && test "$atomic128" = no; then
5483   cat > $TMPC << EOF
5484 int main(void)
5485 {
5486   unsigned __int128 x = 0, y = 0;
5487   __sync_val_compare_and_swap_16(&x, y, x);
5488   return 0;
5489 }
5490 EOF
5491   if compile_prog "" "" ; then
5492     cmpxchg128=yes
5493   fi
5494 fi
5495
5496 #########################################
5497 # See if 64-bit atomic operations are supported.
5498 # Note that without __atomic builtins, we can only
5499 # assume atomic loads/stores max at pointer size.
5500
5501 cat > $TMPC << EOF
5502 #include <stdint.h>
5503 int main(void)
5504 {
5505   uint64_t x = 0, y = 0;
5506 #ifdef __ATOMIC_RELAXED
5507   y = __atomic_load_8(&x, 0);
5508   __atomic_store_8(&x, y, 0);
5509   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5510   __atomic_exchange_8(&x, y, 0);
5511   __atomic_fetch_add_8(&x, y, 0);
5512 #else
5513   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5514   __sync_lock_test_and_set(&x, y);
5515   __sync_val_compare_and_swap(&x, y, 0);
5516   __sync_fetch_and_add(&x, y);
5517 #endif
5518   return 0;
5519 }
5520 EOF
5521 if compile_prog "" "" ; then
5522   atomic64=yes
5523 fi
5524
5525 #########################################
5526 # See if --dynamic-list is supported by the linker
5527 ld_dynamic_list="no"
5528 if test "$static" = "no" ; then
5529     cat > $TMPTXT <<EOF
5530 {
5531   foo;
5532 };
5533 EOF
5534
5535     cat > $TMPC <<EOF
5536 #include <stdio.h>
5537 void foo(void);
5538
5539 void foo(void)
5540 {
5541   printf("foo\n");
5542 }
5543
5544 int main(void)
5545 {
5546   foo();
5547   return 0;
5548 }
5549 EOF
5550
5551     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5552         ld_dynamic_list="yes"
5553     fi
5554 fi
5555
5556 #########################################
5557 # See if -exported_symbols_list is supported by the linker
5558
5559 ld_exported_symbols_list="no"
5560 if test "$static" = "no" ; then
5561     cat > $TMPTXT <<EOF
5562   _foo
5563 EOF
5564
5565     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5566         ld_exported_symbols_list="yes"
5567     fi
5568 fi
5569
5570 if  test "$plugins" = "yes" &&
5571     test "$ld_dynamic_list" = "no" &&
5572     test "$ld_exported_symbols_list" = "no" ; then
5573   error_exit \
5574       "Plugin support requires dynamic linking and specifying a set of symbols " \
5575       "that are exported to plugins. Unfortunately your linker doesn't " \
5576       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5577       "for this purpose. You can't build with --static."
5578 fi
5579
5580 ########################################
5581 # See if 16-byte vector operations are supported.
5582 # Even without a vector unit the compiler may expand these.
5583 # There is a bug in old GCC for PPC that crashes here.
5584 # Unfortunately it's the system compiler for Centos 7.
5585
5586 cat > $TMPC << EOF
5587 typedef unsigned char U1 __attribute__((vector_size(16)));
5588 typedef unsigned short U2 __attribute__((vector_size(16)));
5589 typedef unsigned int U4 __attribute__((vector_size(16)));
5590 typedef unsigned long long U8 __attribute__((vector_size(16)));
5591 typedef signed char S1 __attribute__((vector_size(16)));
5592 typedef signed short S2 __attribute__((vector_size(16)));
5593 typedef signed int S4 __attribute__((vector_size(16)));
5594 typedef signed long long S8 __attribute__((vector_size(16)));
5595 static U1 a1, b1;
5596 static U2 a2, b2;
5597 static U4 a4, b4;
5598 static U8 a8, b8;
5599 static S1 c1;
5600 static S2 c2;
5601 static S4 c4;
5602 static S8 c8;
5603 static int i;
5604 void helper(void *d, void *a, int shift, int i);
5605 void helper(void *d, void *a, int shift, int i)
5606 {
5607   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5608   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5609   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5610   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5611 }
5612 int main(void)
5613 {
5614   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5615   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5616   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5617   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5618   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5619   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5620   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5621   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5622   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5623   return 0;
5624 }
5625 EOF
5626
5627 vector16=no
5628 if compile_prog "" "" ; then
5629   vector16=yes
5630 fi
5631
5632 ########################################
5633 # See if __attribute__((alias)) is supported.
5634 # This false for Xcode 9, but has been remedied for Xcode 10.
5635 # Unfortunately, travis uses Xcode 9 by default.
5636
5637 attralias=no
5638 cat > $TMPC << EOF
5639 int x = 1;
5640 extern const int y __attribute__((alias("x")));
5641 int main(void) { return 0; }
5642 EOF
5643 if compile_prog "" "" ; then
5644     attralias=yes
5645 fi
5646
5647 ########################################
5648 # check if getauxval is available.
5649
5650 getauxval=no
5651 cat > $TMPC << EOF
5652 #include <sys/auxv.h>
5653 int main(void) {
5654   return getauxval(AT_HWCAP) == 0;
5655 }
5656 EOF
5657 if compile_prog "" "" ; then
5658     getauxval=yes
5659 fi
5660
5661 ########################################
5662 # check if ccache is interfering with
5663 # semantic analysis of macros
5664
5665 unset CCACHE_CPP2
5666 ccache_cpp2=no
5667 cat > $TMPC << EOF
5668 static const int Z = 1;
5669 #define fn() ({ Z; })
5670 #define TAUT(X) ((X) == Z)
5671 #define PAREN(X, Y) (X == Y)
5672 #define ID(X) (X)
5673 int main(int argc, char *argv[])
5674 {
5675     int x = 0, y = 0;
5676     x = ID(x);
5677     x = fn();
5678     fn();
5679     if (PAREN(x, y)) return 0;
5680     if (TAUT(Z)) return 0;
5681     return 0;
5682 }
5683 EOF
5684
5685 if ! compile_object "-Werror"; then
5686     ccache_cpp2=yes
5687 fi
5688
5689 #################################################
5690 # clang does not support glibc + FORTIFY_SOURCE.
5691
5692 if test "$fortify_source" != "no"; then
5693   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5694     fortify_source="no";
5695   elif test -n "$cxx" && has $cxx &&
5696        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5697     fortify_source="no";
5698   else
5699     fortify_source="yes"
5700   fi
5701 fi
5702
5703 ###############################################
5704 # Check if copy_file_range is provided by glibc
5705 have_copy_file_range=no
5706 cat > $TMPC << EOF
5707 #include <unistd.h>
5708 int main(void) {
5709   copy_file_range(0, NULL, 0, NULL, 0, 0);
5710   return 0;
5711 }
5712 EOF
5713 if compile_prog "" "" ; then
5714     have_copy_file_range=yes
5715 fi
5716
5717 ##########################################
5718 # check if struct fsxattr is available via linux/fs.h
5719
5720 have_fsxattr=no
5721 cat > $TMPC << EOF
5722 #include <linux/fs.h>
5723 struct fsxattr foo;
5724 int main(void) {
5725   return 0;
5726 }
5727 EOF
5728 if compile_prog "" "" ; then
5729     have_fsxattr=yes
5730 fi
5731
5732 ##########################################
5733 # check for usable membarrier system call
5734 if test "$membarrier" = "yes"; then
5735     have_membarrier=no
5736     if test "$mingw32" = "yes" ; then
5737         have_membarrier=yes
5738     elif test "$linux" = "yes" ; then
5739         cat > $TMPC << EOF
5740     #include <linux/membarrier.h>
5741     #include <sys/syscall.h>
5742     #include <unistd.h>
5743     #include <stdlib.h>
5744     int main(void) {
5745         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5746         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5747         exit(0);
5748     }
5749 EOF
5750         if compile_prog "" "" ; then
5751             have_membarrier=yes
5752         fi
5753     fi
5754     if test "$have_membarrier" = "no"; then
5755       feature_not_found "membarrier" "membarrier system call not available"
5756     fi
5757 else
5758     # Do not enable it by default even for Mingw32, because it doesn't
5759     # work on Wine.
5760     membarrier=no
5761 fi
5762
5763 ##########################################
5764 # check if rtnetlink.h exists and is useful
5765 have_rtnetlink=no
5766 cat > $TMPC << EOF
5767 #include <linux/rtnetlink.h>
5768 int main(void) {
5769   return IFLA_PROTO_DOWN;
5770 }
5771 EOF
5772 if compile_prog "" "" ; then
5773     have_rtnetlink=yes
5774 fi
5775
5776 ##########################################
5777 # check for usable AF_VSOCK environment
5778 have_af_vsock=no
5779 cat > $TMPC << EOF
5780 #include <errno.h>
5781 #include <sys/types.h>
5782 #include <sys/socket.h>
5783 #if !defined(AF_VSOCK)
5784 # error missing AF_VSOCK flag
5785 #endif
5786 #include <linux/vm_sockets.h>
5787 int main(void) {
5788     int sock, ret;
5789     struct sockaddr_vm svm;
5790     socklen_t len = sizeof(svm);
5791     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5792     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5793     if ((ret == -1) && (errno == ENOTCONN)) {
5794         return 0;
5795     }
5796     return -1;
5797 }
5798 EOF
5799 if compile_prog "" "" ; then
5800     have_af_vsock=yes
5801 fi
5802
5803 ##########################################
5804 # check for usable AF_ALG environment
5805 hava_afalg=no
5806 cat > $TMPC << EOF
5807 #include <errno.h>
5808 #include <sys/types.h>
5809 #include <sys/socket.h>
5810 #include <linux/if_alg.h>
5811 int main(void) {
5812     int sock;
5813     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5814     return sock;
5815 }
5816 EOF
5817 if compile_prog "" "" ; then
5818     have_afalg=yes
5819 fi
5820 if test "$crypto_afalg" = "yes"
5821 then
5822     if test "$have_afalg" != "yes"
5823     then
5824         error_exit "AF_ALG requested but could not be detected"
5825     fi
5826 fi
5827
5828
5829 #################################################
5830 # Check to see if we have the Hypervisor framework
5831 if [ "$darwin" = "yes" ] ; then
5832   cat > $TMPC << EOF
5833 #include <Hypervisor/hv.h>
5834 int main() { return 0;}
5835 EOF
5836   if ! compile_object ""; then
5837     hvf='no'
5838   else
5839     hvf='yes'
5840     LDFLAGS="-framework Hypervisor $LDFLAGS"
5841   fi
5842 fi
5843
5844 #################################################
5845 # Sparc implicitly links with --relax, which is
5846 # incompatible with -r, so --no-relax should be
5847 # given. It does no harm to give it on other
5848 # platforms too.
5849
5850 # Note: the prototype is needed since QEMU_CFLAGS
5851 #       contains -Wmissing-prototypes
5852 cat > $TMPC << EOF
5853 extern int foo(void);
5854 int foo(void) { return 0; }
5855 EOF
5856 if ! compile_object ""; then
5857   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5858 fi
5859 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5860   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5861     LD_REL_FLAGS=$i
5862     break
5863   fi
5864 done
5865 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5866   feature_not_found "modules" "Cannot find how to build relocatable objects"
5867 fi
5868
5869 ##########################################
5870 # check for sysmacros.h
5871
5872 have_sysmacros=no
5873 cat > $TMPC << EOF
5874 #include <sys/sysmacros.h>
5875 int main(void) {
5876     return makedev(0, 0);
5877 }
5878 EOF
5879 if compile_prog "" "" ; then
5880     have_sysmacros=yes
5881 fi
5882
5883 ##########################################
5884 # Veritas HyperScale block driver VxHS
5885 # Check if libvxhs is installed
5886
5887 if test "$vxhs" != "no" ; then
5888   cat > $TMPC <<EOF
5889 #include <stdint.h>
5890 #include <qnio/qnio_api.h>
5891
5892 void *vxhs_callback;
5893
5894 int main(void) {
5895     iio_init(QNIO_VERSION, vxhs_callback);
5896     return 0;
5897 }
5898 EOF
5899   vxhs_libs="-lvxhs -lssl"
5900   if compile_prog "" "$vxhs_libs" ; then
5901     vxhs=yes
5902   else
5903     if test "$vxhs" = "yes" ; then
5904       feature_not_found "vxhs block device" "Install libvxhs See github"
5905     fi
5906     vxhs=no
5907   fi
5908 fi
5909
5910 ##########################################
5911 # check for _Static_assert()
5912
5913 have_static_assert=no
5914 cat > $TMPC << EOF
5915 _Static_assert(1, "success");
5916 int main(void) {
5917     return 0;
5918 }
5919 EOF
5920 if compile_prog "" "" ; then
5921     have_static_assert=yes
5922 fi
5923
5924 ##########################################
5925 # check for utmpx.h, it is missing e.g. on OpenBSD
5926
5927 have_utmpx=no
5928 cat > $TMPC << EOF
5929 #include <utmpx.h>
5930 struct utmpx user_info;
5931 int main(void) {
5932     return 0;
5933 }
5934 EOF
5935 if compile_prog "" "" ; then
5936     have_utmpx=yes
5937 fi
5938
5939 ##########################################
5940 # check for getrandom()
5941
5942 have_getrandom=no
5943 cat > $TMPC << EOF
5944 #include <sys/random.h>
5945 int main(void) {
5946     return getrandom(0, 0, GRND_NONBLOCK);
5947 }
5948 EOF
5949 if compile_prog "" "" ; then
5950     have_getrandom=yes
5951 fi
5952
5953 ##########################################
5954 # checks for sanitizers
5955
5956 have_asan=no
5957 have_ubsan=no
5958 have_asan_iface_h=no
5959 have_asan_iface_fiber=no
5960
5961 if test "$sanitizers" = "yes" ; then
5962   write_c_skeleton
5963   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5964       have_asan=yes
5965   fi
5966
5967   # we could use a simple skeleton for flags checks, but this also
5968   # detect the static linking issue of ubsan, see also:
5969   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5970   cat > $TMPC << EOF
5971 #include <stdlib.h>
5972 int main(void) {
5973     void *tmp = malloc(10);
5974     return *(int *)(tmp + 2);
5975 }
5976 EOF
5977   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5978       have_ubsan=yes
5979   fi
5980
5981   if check_include "sanitizer/asan_interface.h" ; then
5982       have_asan_iface_h=yes
5983   fi
5984
5985   cat > $TMPC << EOF
5986 #include <sanitizer/asan_interface.h>
5987 int main(void) {
5988   __sanitizer_start_switch_fiber(0, 0, 0);
5989   return 0;
5990 }
5991 EOF
5992   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5993       have_asan_iface_fiber=yes
5994   fi
5995 fi
5996
5997 ##########################################
5998 # check for libpmem
5999
6000 if test "$libpmem" != "no"; then
6001         if $pkg_config --exists "libpmem"; then
6002                 libpmem="yes"
6003                 libpmem_libs=$($pkg_config --libs libpmem)
6004                 libpmem_cflags=$($pkg_config --cflags libpmem)
6005                 libs_softmmu="$libs_softmmu $libpmem_libs"
6006                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6007         else
6008                 if test "$libpmem" = "yes" ; then
6009                         feature_not_found "libpmem" "Install nvml or pmdk"
6010                 fi
6011                 libpmem="no"
6012         fi
6013 fi
6014
6015 ##########################################
6016 # check for slirp
6017
6018 case "$slirp" in
6019   "" | yes)
6020     if $pkg_config slirp; then
6021       slirp=system
6022     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6023       slirp=git
6024     elif test -e "${source_path}/slirp/Makefile" ; then
6025       slirp=internal
6026     elif test -z "$slirp" ; then
6027       slirp=no
6028     else
6029       feature_not_found "slirp" "Install slirp devel or git submodule"
6030     fi
6031     ;;
6032
6033   system)
6034     if ! $pkg_config slirp; then
6035       feature_not_found "slirp" "Install slirp devel"
6036     fi
6037     ;;
6038 esac
6039
6040 case "$slirp" in
6041   git | internal)
6042     if test "$slirp" = git; then
6043       git_submodules="${git_submodules} slirp"
6044     fi
6045     mkdir -p slirp
6046     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6047     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6048     if test "$mingw32" = "yes" ; then
6049       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6050     fi
6051     ;;
6052
6053   system)
6054     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6055     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6056     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6057     ;;
6058
6059   no)
6060     ;;
6061   *)
6062     error_exit "Unknown state for slirp: $slirp"
6063     ;;
6064 esac
6065
6066
6067 ##########################################
6068 # End of CC checks
6069 # After here, no more $cc or $ld runs
6070
6071 write_c_skeleton
6072
6073 if test "$gcov" = "yes" ; then
6074   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
6075   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
6076 elif test "$fortify_source" = "yes" ; then
6077   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6078 elif test "$debug" = "no"; then
6079   CFLAGS="-O2 $CFLAGS"
6080 fi
6081
6082 if test "$have_asan" = "yes"; then
6083   CFLAGS="-fsanitize=address $CFLAGS"
6084   if test "$have_asan_iface_h" = "no" ; then
6085       echo "ASAN build enabled, but ASAN header missing." \
6086            "Without code annotation, the report may be inferior."
6087   elif test "$have_asan_iface_fiber" = "no" ; then
6088       echo "ASAN build enabled, but ASAN header is too old." \
6089            "Without code annotation, the report may be inferior."
6090   fi
6091 fi
6092 if test "$have_ubsan" = "yes"; then
6093   CFLAGS="-fsanitize=undefined $CFLAGS"
6094 fi
6095
6096 ##########################################
6097 # Do we have libnfs
6098 if test "$libnfs" != "no" ; then
6099   if $pkg_config --atleast-version=1.9.3 libnfs; then
6100     libnfs="yes"
6101     libnfs_libs=$($pkg_config --libs libnfs)
6102   else
6103     if test "$libnfs" = "yes" ; then
6104       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6105     fi
6106     libnfs="no"
6107   fi
6108 fi
6109
6110 ##########################################
6111 # Do we have libudev
6112 if test "$libudev" != "no" ; then
6113   if $pkg_config libudev && test "$static" != "yes"; then
6114     libudev="yes"
6115     libudev_libs=$($pkg_config --libs libudev)
6116   else
6117     libudev="no"
6118   fi
6119 fi
6120
6121 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6122 if test "$werror" = "yes"; then
6123     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6124 fi
6125
6126 if test "$solaris" = "no" ; then
6127     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6128         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6129     fi
6130 fi
6131
6132 # test if pod2man has --utf8 option
6133 if pod2man --help | grep -q utf8; then
6134     POD2MAN="pod2man --utf8"
6135 else
6136     POD2MAN="pod2man"
6137 fi
6138
6139 # Use ASLR, no-SEH and DEP if available
6140 if test "$mingw32" = "yes" ; then
6141     for flag in --dynamicbase --no-seh --nxcompat; do
6142         if ld_has $flag ; then
6143             LDFLAGS="-Wl,$flag $LDFLAGS"
6144         fi
6145     done
6146 fi
6147
6148 # Disable OpenBSD W^X if available
6149 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6150     cat > $TMPC <<EOF
6151     int main(void) { return 0; }
6152 EOF
6153     wx_ldflags="-Wl,-z,wxneeded"
6154     if compile_prog "" "$wx_ldflags"; then
6155         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6156     fi
6157 fi
6158
6159 qemu_confdir=$sysconfdir$confsuffix
6160 qemu_moddir=$libdir$confsuffix
6161 qemu_datadir=$datadir$confsuffix
6162 qemu_localedir="$datadir/locale"
6163 qemu_icondir="$datadir/icons"
6164 qemu_desktopdir="$datadir/applications"
6165
6166 # We can only support ivshmem if we have eventfd
6167 if [ "$eventfd" = "yes" ]; then
6168   ivshmem=yes
6169 fi
6170
6171 tools=""
6172 if test "$want_tools" = "yes" ; then
6173   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6174   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6175     tools="qemu-nbd\$(EXESUF) $tools"
6176   fi
6177   if [ "$ivshmem" = "yes" ]; then
6178     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6179   fi
6180   if [ "$curl" = "yes" ]; then
6181       tools="elf2dmp\$(EXESUF) $tools"
6182   fi
6183 fi
6184 if test "$softmmu" = yes ; then
6185   if test "$linux" = yes; then
6186     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6187       virtfs=yes
6188       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6189     else
6190       if test "$virtfs" = yes; then
6191         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6192       fi
6193       virtfs=no
6194     fi
6195     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6196       mpath=yes
6197     else
6198       if test "$mpath" = yes; then
6199         error_exit "Multipath requires libmpathpersist devel"
6200       fi
6201       mpath=no
6202     fi
6203     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6204   else
6205     if test "$virtfs" = yes; then
6206       error_exit "VirtFS is supported only on Linux"
6207     fi
6208     virtfs=no
6209     if test "$mpath" = yes; then
6210       error_exit "Multipath is supported only on Linux"
6211     fi
6212     mpath=no
6213   fi
6214   if test "$xkbcommon" = "yes"; then
6215     tools="qemu-keymap\$(EXESUF) $tools"
6216   fi
6217 fi
6218
6219 # Probe for guest agent support/options
6220
6221 if [ "$guest_agent" != "no" ]; then
6222   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6223       guest_agent=no
6224   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6225       tools="qemu-ga\$(EXESUF) $tools"
6226       guest_agent=yes
6227   elif [ "$guest_agent" != yes ]; then
6228       guest_agent=no
6229   else
6230       error_exit "Guest agent is not supported on this platform"
6231   fi
6232 fi
6233
6234 # Guest agent Window MSI  package
6235
6236 if test "$guest_agent" != yes; then
6237   if test "$guest_agent_msi" = yes; then
6238     error_exit "MSI guest agent package requires guest agent enabled"
6239   fi
6240   guest_agent_msi=no
6241 elif test "$mingw32" != "yes"; then
6242   if test "$guest_agent_msi" = "yes"; then
6243     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6244   fi
6245   guest_agent_msi=no
6246 elif ! has wixl; then
6247   if test "$guest_agent_msi" = "yes"; then
6248     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6249   fi
6250   guest_agent_msi=no
6251 else
6252   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6253   # disabled explicitly
6254   if test "$guest_agent_msi" != "no"; then
6255     guest_agent_msi=yes
6256   fi
6257 fi
6258
6259 if test "$guest_agent_msi" = "yes"; then
6260   if test "$guest_agent_with_vss" = "yes"; then
6261     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6262   fi
6263
6264   if test "$QEMU_GA_MANUFACTURER" = ""; then
6265     QEMU_GA_MANUFACTURER=QEMU
6266   fi
6267
6268   if test "$QEMU_GA_DISTRO" = ""; then
6269     QEMU_GA_DISTRO=Linux
6270   fi
6271
6272   if test "$QEMU_GA_VERSION" = ""; then
6273       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6274   fi
6275
6276   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6277
6278   case "$cpu" in
6279   x86_64)
6280     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6281     ;;
6282   i386)
6283     QEMU_GA_MSI_ARCH="-D Arch=32"
6284     ;;
6285   *)
6286     error_exit "CPU $cpu not supported for building installation package"
6287     ;;
6288   esac
6289 fi
6290
6291 # Mac OS X ships with a broken assembler
6292 roms=
6293 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6294         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6295         test "$softmmu" = yes ; then
6296     # Different host OS linkers have different ideas about the name of the ELF
6297     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6298     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6299     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6300         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6301             ld_i386_emulation="$emu"
6302             roms="optionrom"
6303             break
6304         fi
6305     done
6306 fi
6307
6308 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6309 if test "$cpu" = "s390x" ; then
6310   write_c_skeleton
6311   if compile_prog "-march=z900" ""; then
6312     roms="$roms s390-ccw"
6313   fi
6314 fi
6315
6316 # Probe for the need for relocating the user-only binary.
6317 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6318   textseg_addr=
6319   case "$cpu" in
6320     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6321       # ??? Rationale for choosing this address
6322       textseg_addr=0x60000000
6323       ;;
6324     mips)
6325       # A 256M aligned address, high in the address space, with enough
6326       # room for the code_gen_buffer above it before the stack.
6327       textseg_addr=0x60000000
6328       ;;
6329   esac
6330   if [ -n "$textseg_addr" ]; then
6331     cat > $TMPC <<EOF
6332     int main(void) { return 0; }
6333 EOF
6334     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6335     if ! compile_prog "" "$textseg_ldflags"; then
6336       # In case ld does not support -Ttext-segment, edit the default linker
6337       # script via sed to set the .text start addr.  This is needed on FreeBSD
6338       # at least.
6339       if ! $ld --verbose >/dev/null 2>&1; then
6340         error_exit \
6341             "We need to link the QEMU user mode binaries at a" \
6342             "specific text address. Unfortunately your linker" \
6343             "doesn't support either the -Ttext-segment option or" \
6344             "printing the default linker script with --verbose." \
6345             "If you don't want the user mode binaries, pass the" \
6346             "--disable-user option to configure."
6347       fi
6348
6349       $ld --verbose | sed \
6350         -e '1,/==================================================/d' \
6351         -e '/==================================================/,$d' \
6352         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6353         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6354       textseg_ldflags="-Wl,-T../config-host.ld"
6355     fi
6356   fi
6357 fi
6358
6359 # Check that the C++ compiler exists and works with the C compiler.
6360 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6361 if has $cxx; then
6362     cat > $TMPC <<EOF
6363 int c_function(void);
6364 int main(void) { return c_function(); }
6365 EOF
6366
6367     compile_object
6368
6369     cat > $TMPCXX <<EOF
6370 extern "C" {
6371    int c_function(void);
6372 }
6373 int c_function(void) { return 42; }
6374 EOF
6375
6376     update_cxxflags
6377
6378     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6379         # C++ compiler $cxx works ok with C compiler $cc
6380         :
6381     else
6382         echo "C++ compiler $cxx does not work with C compiler $cc"
6383         echo "Disabling C++ specific optional code"
6384         cxx=
6385     fi
6386 else
6387     echo "No C++ compiler available; disabling C++ specific optional code"
6388     cxx=
6389 fi
6390
6391 echo_version() {
6392     if test "$1" = "yes" ; then
6393         echo "($2)"
6394     fi
6395 }
6396
6397 # prepend pixman and ftd flags after all config tests are done
6398 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6399 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6400 libs_softmmu="$pixman_libs $libs_softmmu"
6401
6402 echo "Install prefix    $prefix"
6403 echo "BIOS directory    $(eval echo $qemu_datadir)"
6404 echo "firmware path     $(eval echo $firmwarepath)"
6405 echo "binary directory  $(eval echo $bindir)"
6406 echo "library directory $(eval echo $libdir)"
6407 echo "module directory  $(eval echo $qemu_moddir)"
6408 echo "libexec directory $(eval echo $libexecdir)"
6409 echo "include directory $(eval echo $includedir)"
6410 echo "config directory  $(eval echo $sysconfdir)"
6411 if test "$mingw32" = "no" ; then
6412 echo "local state directory   $(eval echo $local_statedir)"
6413 echo "Manual directory  $(eval echo $mandir)"
6414 echo "ELF interp prefix $interp_prefix"
6415 else
6416 echo "local state directory   queried at runtime"
6417 echo "Windows SDK       $win_sdk"
6418 fi
6419 echo "Build directory   $(pwd)"
6420 echo "Source path       $source_path"
6421 echo "GIT binary        $git"
6422 echo "GIT submodules    $git_submodules"
6423 echo "C compiler        $cc"
6424 echo "Host C compiler   $host_cc"
6425 echo "C++ compiler      $cxx"
6426 echo "Objective-C compiler $objcc"
6427 echo "ARFLAGS           $ARFLAGS"
6428 echo "CFLAGS            $CFLAGS"
6429 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6430 echo "LDFLAGS           $LDFLAGS"
6431 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6432 echo "make              $make"
6433 echo "install           $install"
6434 echo "python            $python ($python_version)"
6435 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6436 if test "$slirp" != "no" ; then
6437     echo "smbd              $smbd"
6438 fi
6439 echo "module support    $modules"
6440 echo "host CPU          $cpu"
6441 echo "host big endian   $bigendian"
6442 echo "target list       $target_list"
6443 echo "gprof enabled     $gprof"
6444 echo "sparse enabled    $sparse"
6445 echo "strip binaries    $strip_opt"
6446 echo "profiler          $profiler"
6447 echo "static build      $static"
6448 if test "$darwin" = "yes" ; then
6449     echo "Cocoa support     $cocoa"
6450 fi
6451 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6452 echo "SDL image support $sdl_image"
6453 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6454 echo "GTK GL support    $gtk_gl"
6455 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6456 echo "TLS priority      $tls_priority"
6457 echo "GNUTLS support    $gnutls"
6458 echo "libgcrypt         $gcrypt"
6459 if test "$gcrypt" = "yes"
6460 then
6461    echo "  hmac            $gcrypt_hmac"
6462    echo "  XTS             $gcrypt_xts"
6463 fi
6464 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6465 if test "$nettle" = "yes"
6466 then
6467    echo "  XTS             $nettle_xts"
6468 fi
6469 echo "libtasn1          $tasn1"
6470 echo "PAM               $auth_pam"
6471 echo "iconv support     $iconv"
6472 echo "curses support    $curses"
6473 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6474 echo "curl support      $curl"
6475 echo "mingw32 support   $mingw32"
6476 echo "Audio drivers     $audio_drv_list"
6477 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6478 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6479 echo "VirtFS support    $virtfs"
6480 echo "Multipath support $mpath"
6481 echo "VNC support       $vnc"
6482 if test "$vnc" = "yes" ; then
6483     echo "VNC SASL support  $vnc_sasl"
6484     echo "VNC JPEG support  $vnc_jpeg"
6485     echo "VNC PNG support   $vnc_png"
6486 fi
6487 echo "xen support       $xen"
6488 if test "$xen" = "yes" ; then
6489   echo "xen ctrl version  $xen_ctrl_version"
6490 fi
6491 echo "brlapi support    $brlapi"
6492 echo "Documentation     $docs"
6493 echo "PIE               $pie"
6494 echo "vde support       $vde"
6495 echo "netmap support    $netmap"
6496 echo "Linux AIO support $linux_aio"
6497 echo "ATTR/XATTR support $attr"
6498 echo "Install blobs     $blobs"
6499 echo "KVM support       $kvm"
6500 echo "HAX support       $hax"
6501 echo "HVF support       $hvf"
6502 echo "WHPX support      $whpx"
6503 echo "TCG support       $tcg"
6504 if test "$tcg" = "yes" ; then
6505     echo "TCG debug enabled $debug_tcg"
6506     echo "TCG interpreter   $tcg_interpreter"
6507 fi
6508 echo "malloc trim support $malloc_trim"
6509 echo "RDMA support      $rdma"
6510 echo "PVRDMA support    $pvrdma"
6511 echo "fdt support       $fdt"
6512 echo "membarrier        $membarrier"
6513 echo "preadv support    $preadv"
6514 echo "fdatasync         $fdatasync"
6515 echo "madvise           $madvise"
6516 echo "posix_madvise     $posix_madvise"
6517 echo "posix_memalign    $posix_memalign"
6518 echo "libcap-ng support $cap_ng"
6519 echo "vhost-net support $vhost_net"
6520 echo "vhost-crypto support $vhost_crypto"
6521 echo "vhost-scsi support $vhost_scsi"
6522 echo "vhost-vsock support $vhost_vsock"
6523 echo "vhost-user support $vhost_user"
6524 echo "vhost-user-fs support $vhost_user_fs"
6525 echo "Trace backends    $trace_backends"
6526 if have_backend "simple"; then
6527 echo "Trace output file $trace_file-<pid>"
6528 fi
6529 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6530 echo "rbd support       $rbd"
6531 echo "xfsctl support    $xfs"
6532 echo "smartcard support $smartcard"
6533 echo "libusb            $libusb"
6534 echo "usb net redir     $usb_redir"
6535 echo "OpenGL support    $opengl"
6536 echo "OpenGL dmabufs    $opengl_dmabuf"
6537 echo "libiscsi support  $libiscsi"
6538 echo "libnfs support    $libnfs"
6539 echo "build guest agent $guest_agent"
6540 echo "QGA VSS support   $guest_agent_with_vss"
6541 echo "QGA w32 disk info $guest_agent_ntddscsi"
6542 echo "QGA MSI support   $guest_agent_msi"
6543 echo "seccomp support   $seccomp"
6544 echo "coroutine backend $coroutine"
6545 echo "coroutine pool    $coroutine_pool"
6546 echo "debug stack usage $debug_stack_usage"
6547 echo "mutex debugging   $debug_mutex"
6548 echo "crypto afalg      $crypto_afalg"
6549 echo "GlusterFS support $glusterfs"
6550 echo "gcov              $gcov_tool"
6551 echo "gcov enabled      $gcov"
6552 echo "TPM support       $tpm"
6553 echo "libssh support    $libssh"
6554 echo "QOM debugging     $qom_cast_debug"
6555 echo "Live block migration $live_block_migration"
6556 echo "lzo support       $lzo"
6557 echo "snappy support    $snappy"
6558 echo "bzip2 support     $bzip2"
6559 echo "lzfse support     $lzfse"
6560 echo "NUMA host support $numa"
6561 echo "libxml2           $libxml2"
6562 echo "tcmalloc support  $tcmalloc"
6563 echo "jemalloc support  $jemalloc"
6564 echo "avx2 optimization $avx2_opt"
6565 echo "replication support $replication"
6566 echo "VxHS block device $vxhs"
6567 echo "bochs support     $bochs"
6568 echo "cloop support     $cloop"
6569 echo "dmg support       $dmg"
6570 echo "qcow v1 support   $qcow1"
6571 echo "vdi support       $vdi"
6572 echo "vvfat support     $vvfat"
6573 echo "qed support       $qed"
6574 echo "parallels support $parallels"
6575 echo "sheepdog support  $sheepdog"
6576 echo "capstone          $capstone"
6577 echo "libpmem support   $libpmem"
6578 echo "libudev           $libudev"
6579 echo "default devices   $default_devices"
6580 echo "plugin support    $plugins"
6581
6582 if test "$supported_cpu" = "no"; then
6583     echo
6584     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6585     echo
6586     echo "CPU host architecture $cpu support is not currently maintained."
6587     echo "The QEMU project intends to remove support for this host CPU in"
6588     echo "a future release if nobody volunteers to maintain it and to"
6589     echo "provide a build host for our continuous integration setup."
6590     echo "configure has succeeded and you can continue to build, but"
6591     echo "if you care about QEMU on this platform you should contact"
6592     echo "us upstream at qemu-devel@nongnu.org."
6593 fi
6594
6595 if test "$supported_os" = "no"; then
6596     echo
6597     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6598     echo
6599     echo "Host OS $targetos support is not currently maintained."
6600     echo "The QEMU project intends to remove support for this host OS in"
6601     echo "a future release if nobody volunteers to maintain it and to"
6602     echo "provide a build host for our continuous integration setup."
6603     echo "configure has succeeded and you can continue to build, but"
6604     echo "if you care about QEMU on this platform you should contact"
6605     echo "us upstream at qemu-devel@nongnu.org."
6606 fi
6607
6608 config_host_mak="config-host.mak"
6609
6610 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6611
6612 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6613 echo >> $config_host_mak
6614
6615 echo all: >> $config_host_mak
6616 echo "prefix=$prefix" >> $config_host_mak
6617 echo "bindir=$bindir" >> $config_host_mak
6618 echo "libdir=$libdir" >> $config_host_mak
6619 echo "libexecdir=$libexecdir" >> $config_host_mak
6620 echo "includedir=$includedir" >> $config_host_mak
6621 echo "mandir=$mandir" >> $config_host_mak
6622 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6623 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6624 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6625 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6626 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6627 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6628 if test "$mingw32" = "no" ; then
6629   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6630 fi
6631 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6632 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6633 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6634 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6635 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6636 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6637 echo "GIT=$git" >> $config_host_mak
6638 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6639 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6640
6641 echo "ARCH=$ARCH" >> $config_host_mak
6642
6643 if test "$default_devices" = "yes" ; then
6644   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6645 else
6646   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6647 fi
6648 if test "$debug_tcg" = "yes" ; then
6649   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6650 fi
6651 if test "$strip_opt" = "yes" ; then
6652   echo "STRIP=${strip}" >> $config_host_mak
6653 fi
6654 if test "$bigendian" = "yes" ; then
6655   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6656 fi
6657 if test "$mingw32" = "yes" ; then
6658   echo "CONFIG_WIN32=y" >> $config_host_mak
6659   rc_version=$(cat $source_path/VERSION)
6660   version_major=${rc_version%%.*}
6661   rc_version=${rc_version#*.}
6662   version_minor=${rc_version%%.*}
6663   rc_version=${rc_version#*.}
6664   version_subminor=${rc_version%%.*}
6665   version_micro=0
6666   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6667   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6668   if test "$guest_agent_with_vss" = "yes" ; then
6669     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6670     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6671     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6672   fi
6673   if test "$guest_agent_ntddscsi" = "yes" ; then
6674     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6675   fi
6676   if test "$guest_agent_msi" = "yes"; then
6677     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6678     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6679     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6680     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6681     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6682     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6683     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6684   fi
6685 else
6686   echo "CONFIG_POSIX=y" >> $config_host_mak
6687 fi
6688
6689 if test "$linux" = "yes" ; then
6690   echo "CONFIG_LINUX=y" >> $config_host_mak
6691 fi
6692
6693 if test "$darwin" = "yes" ; then
6694   echo "CONFIG_DARWIN=y" >> $config_host_mak
6695 fi
6696
6697 if test "$solaris" = "yes" ; then
6698   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6699 fi
6700 if test "$haiku" = "yes" ; then
6701   echo "CONFIG_HAIKU=y" >> $config_host_mak
6702 fi
6703 if test "$static" = "yes" ; then
6704   echo "CONFIG_STATIC=y" >> $config_host_mak
6705 fi
6706 if test "$profiler" = "yes" ; then
6707   echo "CONFIG_PROFILER=y" >> $config_host_mak
6708 fi
6709 if test "$want_tools" = "yes" ; then
6710   echo "CONFIG_TOOLS=y" >> $config_host_mak
6711 fi
6712 if test "$slirp" != "no"; then
6713   echo "CONFIG_SLIRP=y" >> $config_host_mak
6714   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6715   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6716   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6717 fi
6718 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6719     echo "config-host.h: slirp/all" >> $config_host_mak
6720 fi
6721 if test "$vde" = "yes" ; then
6722   echo "CONFIG_VDE=y" >> $config_host_mak
6723   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6724 fi
6725 if test "$netmap" = "yes" ; then
6726   echo "CONFIG_NETMAP=y" >> $config_host_mak
6727 fi
6728 if test "$l2tpv3" = "yes" ; then
6729   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6730 fi
6731 if test "$cap_ng" = "yes" ; then
6732   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6733 fi
6734 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6735 for drv in $audio_drv_list; do
6736     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6737     case "$drv" in
6738         alsa | oss | pa | sdl)
6739             echo "$def=m" >> $config_host_mak ;;
6740         *)
6741             echo "$def=y" >> $config_host_mak ;;
6742     esac
6743 done
6744 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6745 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6746 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6747 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6748 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6749 if test "$audio_win_int" = "yes" ; then
6750   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6751 fi
6752 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6753 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6754 if test "$vnc" = "yes" ; then
6755   echo "CONFIG_VNC=y" >> $config_host_mak
6756 fi
6757 if test "$vnc_sasl" = "yes" ; then
6758   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6759 fi
6760 if test "$vnc_jpeg" = "yes" ; then
6761   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6762 fi
6763 if test "$vnc_png" = "yes" ; then
6764   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6765 fi
6766 if test "$xkbcommon" = "yes" ; then
6767   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6768   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6769 fi
6770 if test "$xfs" = "yes" ; then
6771   echo "CONFIG_XFS=y" >> $config_host_mak
6772 fi
6773 qemu_version=$(head $source_path/VERSION)
6774 echo "VERSION=$qemu_version" >>$config_host_mak
6775 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6776 echo "SRC_PATH=$source_path" >> $config_host_mak
6777 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6778 if [ "$docs" = "yes" ] ; then
6779   echo "BUILD_DOCS=yes" >> $config_host_mak
6780 fi
6781 if test "$modules" = "yes"; then
6782   # $shacmd can generate a hash started with digit, which the compiler doesn't
6783   # like as an symbol. So prefix it with an underscore
6784   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6785   echo "CONFIG_MODULES=y" >> $config_host_mak
6786 fi
6787 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6788   echo "CONFIG_X11=y" >> $config_host_mak
6789   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6790   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6791 fi
6792 if test "$sdl" = "yes" ; then
6793   echo "CONFIG_SDL=m" >> $config_host_mak
6794   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6795   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6796   if test "$sdl_image" = "yes" ; then
6797       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6798   fi
6799 fi
6800 if test "$cocoa" = "yes" ; then
6801   echo "CONFIG_COCOA=y" >> $config_host_mak
6802 fi
6803 if test "$iconv" = "yes" ; then
6804   echo "CONFIG_ICONV=y" >> $config_host_mak
6805   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6806   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6807 fi
6808 if test "$curses" = "yes" ; then
6809   echo "CONFIG_CURSES=m" >> $config_host_mak
6810   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6811   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6812 fi
6813 if test "$pipe2" = "yes" ; then
6814   echo "CONFIG_PIPE2=y" >> $config_host_mak
6815 fi
6816 if test "$accept4" = "yes" ; then
6817   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6818 fi
6819 if test "$splice" = "yes" ; then
6820   echo "CONFIG_SPLICE=y" >> $config_host_mak
6821 fi
6822 if test "$eventfd" = "yes" ; then
6823   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6824 fi
6825 if test "$memfd" = "yes" ; then
6826   echo "CONFIG_MEMFD=y" >> $config_host_mak
6827 fi
6828 if test "$have_usbfs" = "yes" ; then
6829   echo "CONFIG_USBFS=y" >> $config_host_mak
6830 fi
6831 if test "$fallocate" = "yes" ; then
6832   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6833 fi
6834 if test "$fallocate_punch_hole" = "yes" ; then
6835   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6836 fi
6837 if test "$fallocate_zero_range" = "yes" ; then
6838   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6839 fi
6840 if test "$posix_fallocate" = "yes" ; then
6841   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6842 fi
6843 if test "$sync_file_range" = "yes" ; then
6844   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6845 fi
6846 if test "$fiemap" = "yes" ; then
6847   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6848 fi
6849 if test "$dup3" = "yes" ; then
6850   echo "CONFIG_DUP3=y" >> $config_host_mak
6851 fi
6852 if test "$ppoll" = "yes" ; then
6853   echo "CONFIG_PPOLL=y" >> $config_host_mak
6854 fi
6855 if test "$prctl_pr_set_timerslack" = "yes" ; then
6856   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6857 fi
6858 if test "$epoll" = "yes" ; then
6859   echo "CONFIG_EPOLL=y" >> $config_host_mak
6860 fi
6861 if test "$epoll_create1" = "yes" ; then
6862   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6863 fi
6864 if test "$sendfile" = "yes" ; then
6865   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6866 fi
6867 if test "$timerfd" = "yes" ; then
6868   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6869 fi
6870 if test "$setns" = "yes" ; then
6871   echo "CONFIG_SETNS=y" >> $config_host_mak
6872 fi
6873 if test "$clock_adjtime" = "yes" ; then
6874   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6875 fi
6876 if test "$syncfs" = "yes" ; then
6877   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6878 fi
6879 if test "$inotify" = "yes" ; then
6880   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6881 fi
6882 if test "$inotify1" = "yes" ; then
6883   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6884 fi
6885 if test "$sem_timedwait" = "yes" ; then
6886   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6887 fi
6888 if test "$strchrnul" = "yes" ; then
6889   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6890 fi
6891 if test "$byteswap_h" = "yes" ; then
6892   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6893 fi
6894 if test "$bswap_h" = "yes" ; then
6895   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6896 fi
6897 if test "$curl" = "yes" ; then
6898   echo "CONFIG_CURL=m" >> $config_host_mak
6899   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6900   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6901 fi
6902 if test "$brlapi" = "yes" ; then
6903   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6904   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6905 fi
6906 if test "$gtk" = "yes" ; then
6907   echo "CONFIG_GTK=m" >> $config_host_mak
6908   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6909   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6910   if test "$gtk_gl" = "yes" ; then
6911     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6912   fi
6913 fi
6914 if test "$gio" = "yes" ; then
6915     echo "CONFIG_GIO=y" >> $config_host_mak
6916     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6917     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6918     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6919 fi
6920 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6921 if test "$gnutls" = "yes" ; then
6922   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6923 fi
6924 if test "$gcrypt" = "yes" ; then
6925   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6926   if test "$gcrypt_hmac" = "yes" ; then
6927     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6928   fi
6929 fi
6930 if test "$nettle" = "yes" ; then
6931   echo "CONFIG_NETTLE=y" >> $config_host_mak
6932   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6933 fi
6934 if test "$qemu_private_xts" = "yes" ; then
6935   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6936 fi
6937 if test "$tasn1" = "yes" ; then
6938   echo "CONFIG_TASN1=y" >> $config_host_mak
6939 fi
6940 if test "$auth_pam" = "yes" ; then
6941     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6942 fi
6943 if test "$have_ifaddrs_h" = "yes" ; then
6944     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6945 fi
6946 if test "$have_broken_size_max" = "yes" ; then
6947     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6948 fi
6949
6950 # Work around a system header bug with some kernel/XFS header
6951 # versions where they both try to define 'struct fsxattr':
6952 # xfs headers will not try to redefine structs from linux headers
6953 # if this macro is set.
6954 if test "$have_fsxattr" = "yes" ; then
6955     echo "HAVE_FSXATTR=y" >> $config_host_mak
6956 fi
6957 if test "$have_copy_file_range" = "yes" ; then
6958     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6959 fi
6960 if test "$vte" = "yes" ; then
6961   echo "CONFIG_VTE=y" >> $config_host_mak
6962   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6963   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6964 fi
6965 if test "$virglrenderer" = "yes" ; then
6966   echo "CONFIG_VIRGL=y" >> $config_host_mak
6967   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6968   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6969 fi
6970 if test "$xen" = "yes" ; then
6971   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6972   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6973 fi
6974 if test "$linux_aio" = "yes" ; then
6975   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6976 fi
6977 if test "$attr" = "yes" ; then
6978   echo "CONFIG_ATTR=y" >> $config_host_mak
6979 fi
6980 if test "$libattr" = "yes" ; then
6981   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6982 fi
6983 if test "$virtfs" = "yes" ; then
6984   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6985 fi
6986 if test "$mpath" = "yes" ; then
6987   echo "CONFIG_MPATH=y" >> $config_host_mak
6988   if test "$mpathpersist_new_api" = "yes"; then
6989     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6990   fi
6991 fi
6992 if test "$vhost_scsi" = "yes" ; then
6993   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6994 fi
6995 if test "$vhost_net" = "yes" ; then
6996   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6997 fi
6998 if test "$vhost_net_user" = "yes" ; then
6999   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
7000 fi
7001 if test "$vhost_crypto" = "yes" ; then
7002   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
7003 fi
7004 if test "$vhost_vsock" = "yes" ; then
7005   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7006 fi
7007 if test "$vhost_kernel" = "yes" ; then
7008   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7009 fi
7010 if test "$vhost_user" = "yes" ; then
7011   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7012 fi
7013 if test "$vhost_user_fs" = "yes" ; then
7014   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7015 fi
7016 if test "$blobs" = "yes" ; then
7017   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7018 fi
7019 if test "$iovec" = "yes" ; then
7020   echo "CONFIG_IOVEC=y" >> $config_host_mak
7021 fi
7022 if test "$preadv" = "yes" ; then
7023   echo "CONFIG_PREADV=y" >> $config_host_mak
7024 fi
7025 if test "$fdt" != "no" ; then
7026   echo "CONFIG_FDT=y" >> $config_host_mak
7027 fi
7028 if test "$membarrier" = "yes" ; then
7029   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7030 fi
7031 if test "$signalfd" = "yes" ; then
7032   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7033 fi
7034 if test "$optreset" = "yes" ; then
7035   echo "HAVE_OPTRESET=y" >> $config_host_mak
7036 fi
7037 if test "$tcg" = "yes"; then
7038   echo "CONFIG_TCG=y" >> $config_host_mak
7039   if test "$tcg_interpreter" = "yes" ; then
7040     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7041   fi
7042 fi
7043 if test "$fdatasync" = "yes" ; then
7044   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7045 fi
7046 if test "$madvise" = "yes" ; then
7047   echo "CONFIG_MADVISE=y" >> $config_host_mak
7048 fi
7049 if test "$posix_madvise" = "yes" ; then
7050   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7051 fi
7052 if test "$posix_memalign" = "yes" ; then
7053   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7054 fi
7055
7056 if test "$spice" = "yes" ; then
7057   echo "CONFIG_SPICE=y" >> $config_host_mak
7058 fi
7059
7060 if test "$smartcard" = "yes" ; then
7061   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7062   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7063   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7064 fi
7065
7066 if test "$libusb" = "yes" ; then
7067   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7068   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7069   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7070 fi
7071
7072 if test "$usb_redir" = "yes" ; then
7073   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7074   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7075   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7076 fi
7077
7078 if test "$opengl" = "yes" ; then
7079   echo "CONFIG_OPENGL=y" >> $config_host_mak
7080   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7081   if test "$opengl_dmabuf" = "yes" ; then
7082     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7083   fi
7084 fi
7085
7086 if test "$gbm" = "yes" ; then
7087     echo "CONFIG_GBM=y" >> $config_host_mak
7088     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7089     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7090 fi
7091
7092
7093 if test "$malloc_trim" = "yes" ; then
7094   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7095 fi
7096
7097 if test "$avx2_opt" = "yes" ; then
7098   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7099 fi
7100
7101 if test "$lzo" = "yes" ; then
7102   echo "CONFIG_LZO=y" >> $config_host_mak
7103 fi
7104
7105 if test "$snappy" = "yes" ; then
7106   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7107 fi
7108
7109 if test "$bzip2" = "yes" ; then
7110   echo "CONFIG_BZIP2=y" >> $config_host_mak
7111   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7112 fi
7113
7114 if test "$lzfse" = "yes" ; then
7115   echo "CONFIG_LZFSE=y" >> $config_host_mak
7116   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7117 fi
7118
7119 if test "$libiscsi" = "yes" ; then
7120   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7121   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7122   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7123 fi
7124
7125 if test "$libnfs" = "yes" ; then
7126   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7127   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7128 fi
7129
7130 if test "$seccomp" = "yes"; then
7131   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7132   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7133   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7134 fi
7135
7136 # XXX: suppress that
7137 if [ "$bsd" = "yes" ] ; then
7138   echo "CONFIG_BSD=y" >> $config_host_mak
7139 fi
7140
7141 if test "$localtime_r" = "yes" ; then
7142   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7143 fi
7144 if test "$qom_cast_debug" = "yes" ; then
7145   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7146 fi
7147 if test "$rbd" = "yes" ; then
7148   echo "CONFIG_RBD=m" >> $config_host_mak
7149   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7150   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7151 fi
7152
7153 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7154 if test "$coroutine_pool" = "yes" ; then
7155   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7156 else
7157   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7158 fi
7159
7160 if test "$debug_stack_usage" = "yes" ; then
7161   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7162 fi
7163
7164 if test "$crypto_afalg" = "yes" ; then
7165   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7166 fi
7167
7168 if test "$open_by_handle_at" = "yes" ; then
7169   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7170 fi
7171
7172 if test "$linux_magic_h" = "yes" ; then
7173   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7174 fi
7175
7176 if test "$pragma_diagnostic_available" = "yes" ; then
7177   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7178 fi
7179
7180 if test "$valgrind_h" = "yes" ; then
7181   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7182 fi
7183
7184 if test "$have_asan_iface_fiber" = "yes" ; then
7185     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7186 fi
7187
7188 if test "$has_environ" = "yes" ; then
7189   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7190 fi
7191
7192 if test "$cpuid_h" = "yes" ; then
7193   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7194 fi
7195
7196 if test "$int128" = "yes" ; then
7197   echo "CONFIG_INT128=y" >> $config_host_mak
7198 fi
7199
7200 if test "$atomic128" = "yes" ; then
7201   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7202 fi
7203
7204 if test "$cmpxchg128" = "yes" ; then
7205   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7206 fi
7207
7208 if test "$atomic64" = "yes" ; then
7209   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7210 fi
7211
7212 if test "$vector16" = "yes" ; then
7213   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7214 fi
7215
7216 if test "$attralias" = "yes" ; then
7217   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7218 fi
7219
7220 if test "$getauxval" = "yes" ; then
7221   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7222 fi
7223
7224 if test "$glusterfs" = "yes" ; then
7225   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7226   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7227   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7228 fi
7229
7230 if test "$glusterfs_xlator_opt" = "yes" ; then
7231   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7232 fi
7233
7234 if test "$glusterfs_discard" = "yes" ; then
7235   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7236 fi
7237
7238 if test "$glusterfs_fallocate" = "yes" ; then
7239   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7240 fi
7241
7242 if test "$glusterfs_zerofill" = "yes" ; then
7243   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7244 fi
7245
7246 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7247   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7248 fi
7249
7250 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7251   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7252 fi
7253
7254 if test "$libssh" = "yes" ; then
7255   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7256   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7257   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7258 fi
7259
7260 if test "$live_block_migration" = "yes" ; then
7261   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7262 fi
7263
7264 if test "$tpm" = "yes"; then
7265   echo 'CONFIG_TPM=y' >> $config_host_mak
7266 fi
7267
7268 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7269 if have_backend "nop"; then
7270   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7271 fi
7272 if have_backend "simple"; then
7273   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7274   # Set the appropriate trace file.
7275   trace_file="\"$trace_file-\" FMT_pid"
7276 fi
7277 if have_backend "log"; then
7278   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7279 fi
7280 if have_backend "ust"; then
7281   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7282 fi
7283 if have_backend "dtrace"; then
7284   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7285   if test "$trace_backend_stap" = "yes" ; then
7286     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7287   fi
7288 fi
7289 if have_backend "ftrace"; then
7290   if test "$linux" = "yes" ; then
7291     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7292   else
7293     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7294   fi
7295 fi
7296 if have_backend "syslog"; then
7297   if test "$posix_syslog" = "yes" ; then
7298     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7299   else
7300     feature_not_found "syslog(trace backend)" "syslog not available"
7301   fi
7302 fi
7303 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7304
7305 if test "$rdma" = "yes" ; then
7306   echo "CONFIG_RDMA=y" >> $config_host_mak
7307   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7308 fi
7309
7310 if test "$pvrdma" = "yes" ; then
7311   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7312 fi
7313
7314 if test "$have_rtnetlink" = "yes" ; then
7315   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7316 fi
7317
7318 if test "$libxml2" = "yes" ; then
7319   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7320   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7321   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7322 fi
7323
7324 if test "$replication" = "yes" ; then
7325   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7326 fi
7327
7328 if test "$have_af_vsock" = "yes" ; then
7329   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7330 fi
7331
7332 if test "$have_sysmacros" = "yes" ; then
7333   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7334 fi
7335
7336 if test "$have_static_assert" = "yes" ; then
7337   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7338 fi
7339
7340 if test "$have_utmpx" = "yes" ; then
7341   echo "HAVE_UTMPX=y" >> $config_host_mak
7342 fi
7343 if test "$have_getrandom" = "yes" ; then
7344   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7345 fi
7346 if test "$ivshmem" = "yes" ; then
7347   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7348 fi
7349 if test "$capstone" != "no" ; then
7350   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7351 fi
7352 if test "$debug_mutex" = "yes" ; then
7353   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7354 fi
7355
7356 # Hold two types of flag:
7357 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7358 #                                     a thread we have a handle to
7359 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7360 #                                     platform
7361 if test "$pthread_setname_np_w_tid" = "yes" ; then
7362   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7363   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7364 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7365   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7366   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7367 fi
7368
7369 if test "$vxhs" = "yes" ; then
7370   echo "CONFIG_VXHS=y" >> $config_host_mak
7371   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7372 fi
7373
7374 if test "$libpmem" = "yes" ; then
7375   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7376 fi
7377
7378 if test "$bochs" = "yes" ; then
7379   echo "CONFIG_BOCHS=y" >> $config_host_mak
7380 fi
7381 if test "$cloop" = "yes" ; then
7382   echo "CONFIG_CLOOP=y" >> $config_host_mak
7383 fi
7384 if test "$dmg" = "yes" ; then
7385   echo "CONFIG_DMG=y" >> $config_host_mak
7386 fi
7387 if test "$qcow1" = "yes" ; then
7388   echo "CONFIG_QCOW1=y" >> $config_host_mak
7389 fi
7390 if test "$vdi" = "yes" ; then
7391   echo "CONFIG_VDI=y" >> $config_host_mak
7392 fi
7393 if test "$vvfat" = "yes" ; then
7394   echo "CONFIG_VVFAT=y" >> $config_host_mak
7395 fi
7396 if test "$qed" = "yes" ; then
7397   echo "CONFIG_QED=y" >> $config_host_mak
7398 fi
7399 if test "$parallels" = "yes" ; then
7400   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7401 fi
7402 if test "$sheepdog" = "yes" ; then
7403   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7404 fi
7405
7406 if test "$plugins" = "yes" ; then
7407     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7408     LIBS="-ldl $LIBS"
7409     # Copy the export object list to the build dir
7410     if test "$ld_dynamic_list" = "yes" ; then
7411         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7412         ld_symbols=qemu-plugins-ld.symbols
7413         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7414     elif test "$ld_exported_symbols_list" = "yes" ; then
7415         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7416         ld64_symbols=qemu-plugins-ld64.symbols
7417         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7418         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7419             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7420     else
7421         error_exit \
7422             "If \$plugins=yes, either \$ld_dynamic_list or " \
7423             "\$ld_exported_symbols_list should have been set to 'yes'."
7424     fi
7425 fi
7426
7427 if test "$tcg_interpreter" = "yes"; then
7428   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7429 elif test "$ARCH" = "sparc64" ; then
7430   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7431 elif test "$ARCH" = "s390x" ; then
7432   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7433 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7434   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7435 elif test "$ARCH" = "ppc64" ; then
7436   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7437 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7438   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7439 else
7440   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7441 fi
7442
7443 echo "TOOLS=$tools" >> $config_host_mak
7444 echo "ROMS=$roms" >> $config_host_mak
7445 echo "MAKE=$make" >> $config_host_mak
7446 echo "INSTALL=$install" >> $config_host_mak
7447 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7448 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7449 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7450 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7451 echo "PYTHON=$python" >> $config_host_mak
7452 echo "CC=$cc" >> $config_host_mak
7453 if $iasl -h > /dev/null 2>&1; then
7454   echo "IASL=$iasl" >> $config_host_mak
7455 fi
7456 echo "HOST_CC=$host_cc" >> $config_host_mak
7457 echo "CXX=$cxx" >> $config_host_mak
7458 echo "OBJCC=$objcc" >> $config_host_mak
7459 echo "AR=$ar" >> $config_host_mak
7460 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7461 echo "AS=$as" >> $config_host_mak
7462 echo "CCAS=$ccas" >> $config_host_mak
7463 echo "CPP=$cpp" >> $config_host_mak
7464 echo "OBJCOPY=$objcopy" >> $config_host_mak
7465 echo "LD=$ld" >> $config_host_mak
7466 echo "RANLIB=$ranlib" >> $config_host_mak
7467 echo "NM=$nm" >> $config_host_mak
7468 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7469 echo "WINDRES=$windres" >> $config_host_mak
7470 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7471 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7472 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7473 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7474 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7475 if test "$sparse" = "yes" ; then
7476   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7477   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7478   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7479   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7480   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7481 fi
7482 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7483 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7484 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7485 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7486 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7487 echo "LIBS+=$LIBS" >> $config_host_mak
7488 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7489 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7490 echo "EXESUF=$EXESUF" >> $config_host_mak
7491 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7492 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7493 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7494 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7495 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7496 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7497 if test "$gcov" = "yes" ; then
7498   echo "CONFIG_GCOV=y" >> $config_host_mak
7499   echo "GCOV=$gcov_tool" >> $config_host_mak
7500 fi
7501
7502 if test "$libudev" != "no"; then
7503     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7504     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7505 fi
7506
7507 if test "$edk2_blobs" = "yes" ; then
7508   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7509 fi
7510
7511 # use included Linux headers
7512 if test "$linux" = "yes" ; then
7513   mkdir -p linux-headers
7514   case "$cpu" in
7515   i386|x86_64|x32)
7516     linux_arch=x86
7517     ;;
7518   ppc|ppc64|ppc64le)
7519     linux_arch=powerpc
7520     ;;
7521   s390x)
7522     linux_arch=s390
7523     ;;
7524   aarch64)
7525     linux_arch=arm64
7526     ;;
7527   mips64)
7528     linux_arch=mips
7529     ;;
7530   *)
7531     # For most CPUs the kernel architecture name and QEMU CPU name match.
7532     linux_arch="$cpu"
7533     ;;
7534   esac
7535     # For non-KVM architectures we will not have asm headers
7536     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7537       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7538     fi
7539 fi
7540
7541 for target in $target_list; do
7542 target_dir="$target"
7543 config_target_mak=$target_dir/config-target.mak
7544 target_name=$(echo $target | cut -d '-' -f 1)
7545 target_aligned_only="no"
7546 case "$target_name" in
7547   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7548   target_aligned_only="yes"
7549   ;;
7550 esac
7551 target_bigendian="no"
7552 case "$target_name" in
7553   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7554   target_bigendian="yes"
7555   ;;
7556 esac
7557 target_softmmu="no"
7558 target_user_only="no"
7559 target_linux_user="no"
7560 target_bsd_user="no"
7561 case "$target" in
7562   ${target_name}-softmmu)
7563     target_softmmu="yes"
7564     ;;
7565   ${target_name}-linux-user)
7566     target_user_only="yes"
7567     target_linux_user="yes"
7568     ;;
7569   ${target_name}-bsd-user)
7570     target_user_only="yes"
7571     target_bsd_user="yes"
7572     ;;
7573   *)
7574     error_exit "Target '$target' not recognised"
7575     exit 1
7576     ;;
7577 esac
7578
7579 mkdir -p $target_dir
7580 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7581
7582 bflt="no"
7583 mttcg="no"
7584 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7585 gdb_xml_files=""
7586
7587 TARGET_ARCH="$target_name"
7588 TARGET_BASE_ARCH=""
7589 TARGET_ABI_DIR=""
7590
7591 case "$target_name" in
7592   i386)
7593     mttcg="yes"
7594         gdb_xml_files="i386-32bit.xml"
7595   ;;
7596   x86_64)
7597     TARGET_BASE_ARCH=i386
7598     mttcg="yes"
7599         gdb_xml_files="i386-64bit.xml"
7600   ;;
7601   alpha)
7602     mttcg="yes"
7603   ;;
7604   arm|armeb)
7605     TARGET_ARCH=arm
7606     bflt="yes"
7607     mttcg="yes"
7608     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7609   ;;
7610   aarch64|aarch64_be)
7611     TARGET_ARCH=aarch64
7612     TARGET_BASE_ARCH=arm
7613     bflt="yes"
7614     mttcg="yes"
7615     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7616   ;;
7617   cris)
7618   ;;
7619   hppa)
7620     mttcg="yes"
7621   ;;
7622   lm32)
7623   ;;
7624   m68k)
7625     bflt="yes"
7626     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7627   ;;
7628   microblaze|microblazeel)
7629     TARGET_ARCH=microblaze
7630     bflt="yes"
7631     echo "TARGET_ABI32=y" >> $config_target_mak
7632   ;;
7633   mips|mipsel)
7634     mttcg="yes"
7635     TARGET_ARCH=mips
7636     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7637   ;;
7638   mipsn32|mipsn32el)
7639     mttcg="yes"
7640     TARGET_ARCH=mips64
7641     TARGET_BASE_ARCH=mips
7642     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7643     echo "TARGET_ABI32=y" >> $config_target_mak
7644   ;;
7645   mips64|mips64el)
7646     mttcg="yes"
7647     TARGET_ARCH=mips64
7648     TARGET_BASE_ARCH=mips
7649     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7650   ;;
7651   moxie)
7652   ;;
7653   nios2)
7654   ;;
7655   or1k)
7656     TARGET_ARCH=openrisc
7657     TARGET_BASE_ARCH=openrisc
7658   ;;
7659   ppc)
7660     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7661   ;;
7662   ppc64)
7663     TARGET_BASE_ARCH=ppc
7664     TARGET_ABI_DIR=ppc
7665     mttcg=yes
7666     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7667   ;;
7668   ppc64le)
7669     TARGET_ARCH=ppc64
7670     TARGET_BASE_ARCH=ppc
7671     TARGET_ABI_DIR=ppc
7672     mttcg=yes
7673     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7674   ;;
7675   ppc64abi32)
7676     TARGET_ARCH=ppc64
7677     TARGET_BASE_ARCH=ppc
7678     TARGET_ABI_DIR=ppc
7679     echo "TARGET_ABI32=y" >> $config_target_mak
7680     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7681   ;;
7682   riscv32)
7683     TARGET_BASE_ARCH=riscv
7684     TARGET_ABI_DIR=riscv
7685     mttcg=yes
7686     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7687   ;;
7688   riscv64)
7689     TARGET_BASE_ARCH=riscv
7690     TARGET_ABI_DIR=riscv
7691     mttcg=yes
7692     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7693   ;;
7694   sh4|sh4eb)
7695     TARGET_ARCH=sh4
7696     bflt="yes"
7697   ;;
7698   sparc)
7699   ;;
7700   sparc64)
7701     TARGET_BASE_ARCH=sparc
7702   ;;
7703   sparc32plus)
7704     TARGET_ARCH=sparc64
7705     TARGET_BASE_ARCH=sparc
7706     TARGET_ABI_DIR=sparc
7707     echo "TARGET_ABI32=y" >> $config_target_mak
7708   ;;
7709   s390x)
7710     mttcg=yes
7711     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7712   ;;
7713   tilegx)
7714   ;;
7715   tricore)
7716   ;;
7717   unicore32)
7718   ;;
7719   xtensa|xtensaeb)
7720     TARGET_ARCH=xtensa
7721     bflt="yes"
7722     mttcg="yes"
7723   ;;
7724   *)
7725     error_exit "Unsupported target CPU"
7726   ;;
7727 esac
7728 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7729 if [ "$TARGET_BASE_ARCH" = "" ]; then
7730   TARGET_BASE_ARCH=$TARGET_ARCH
7731 fi
7732
7733 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7734
7735 upper() {
7736     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7737 }
7738
7739 target_arch_name="$(upper $TARGET_ARCH)"
7740 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7741 echo "TARGET_NAME=$target_name" >> $config_target_mak
7742 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7743 if [ "$TARGET_ABI_DIR" = "" ]; then
7744   TARGET_ABI_DIR=$TARGET_ARCH
7745 fi
7746 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7747 if [ "$HOST_VARIANT_DIR" != "" ]; then
7748     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7749 fi
7750
7751 if supported_xen_target $target; then
7752     echo "CONFIG_XEN=y" >> $config_target_mak
7753     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7754     if test "$xen_pci_passthrough" = yes; then
7755         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7756     fi
7757 else
7758     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7759 fi
7760 if supported_kvm_target $target; then
7761     echo "CONFIG_KVM=y" >> $config_target_mak
7762     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7763 else
7764     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7765 fi
7766 if supported_hax_target $target; then
7767     echo "CONFIG_HAX=y" >> $config_target_mak
7768 fi
7769 if supported_hvf_target $target; then
7770     echo "CONFIG_HVF=y" >> $config_target_mak
7771 fi
7772 if supported_whpx_target $target; then
7773     echo "CONFIG_WHPX=y" >> $config_target_mak
7774 fi
7775 if test "$target_aligned_only" = "yes" ; then
7776   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7777 fi
7778 if test "$target_bigendian" = "yes" ; then
7779   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7780 fi
7781 if test "$target_softmmu" = "yes" ; then
7782   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7783   if test "$mttcg" = "yes" ; then
7784     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7785   fi
7786 fi
7787 if test "$target_user_only" = "yes" ; then
7788   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7789   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7790 fi
7791 if test "$target_linux_user" = "yes" ; then
7792   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7793 fi
7794 list=""
7795 if test ! -z "$gdb_xml_files" ; then
7796   for x in $gdb_xml_files; do
7797     list="$list $source_path/gdb-xml/$x"
7798   done
7799   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7800 fi
7801
7802 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7803   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7804 fi
7805 if test "$target_bsd_user" = "yes" ; then
7806   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7807 fi
7808
7809
7810 # generate QEMU_CFLAGS/LDFLAGS for targets
7811
7812 cflags=""
7813 ldflags=""
7814
7815 disas_config() {
7816   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7817   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7818 }
7819
7820 for i in $ARCH $TARGET_BASE_ARCH ; do
7821   case "$i" in
7822   alpha)
7823     disas_config "ALPHA"
7824   ;;
7825   aarch64)
7826     if test -n "${cxx}"; then
7827       disas_config "ARM_A64"
7828     fi
7829   ;;
7830   arm)
7831     disas_config "ARM"
7832     if test -n "${cxx}"; then
7833       disas_config "ARM_A64"
7834     fi
7835   ;;
7836   cris)
7837     disas_config "CRIS"
7838   ;;
7839   hppa)
7840     disas_config "HPPA"
7841   ;;
7842   i386|x86_64|x32)
7843     disas_config "I386"
7844   ;;
7845   lm32)
7846     disas_config "LM32"
7847   ;;
7848   m68k)
7849     disas_config "M68K"
7850   ;;
7851   microblaze*)
7852     disas_config "MICROBLAZE"
7853   ;;
7854   mips*)
7855     disas_config "MIPS"
7856     if test -n "${cxx}"; then
7857       disas_config "NANOMIPS"
7858     fi
7859   ;;
7860   moxie*)
7861     disas_config "MOXIE"
7862   ;;
7863   nios2)
7864     disas_config "NIOS2"
7865   ;;
7866   or1k)
7867     disas_config "OPENRISC"
7868   ;;
7869   ppc*)
7870     disas_config "PPC"
7871   ;;
7872   riscv*)
7873     disas_config "RISCV"
7874   ;;
7875   s390*)
7876     disas_config "S390"
7877   ;;
7878   sh4)
7879     disas_config "SH4"
7880   ;;
7881   sparc*)
7882     disas_config "SPARC"
7883   ;;
7884   xtensa*)
7885     disas_config "XTENSA"
7886   ;;
7887   esac
7888 done
7889 if test "$tcg_interpreter" = "yes" ; then
7890   disas_config "TCI"
7891 fi
7892
7893 case "$ARCH" in
7894 alpha)
7895   # Ensure there's only a single GP
7896   cflags="-msmall-data $cflags"
7897 ;;
7898 esac
7899
7900 if test "$gprof" = "yes" ; then
7901   echo "TARGET_GPROF=y" >> $config_target_mak
7902   if test "$target_linux_user" = "yes" ; then
7903     cflags="-p $cflags"
7904     ldflags="-p $ldflags"
7905   fi
7906   if test "$target_softmmu" = "yes" ; then
7907     ldflags="-p $ldflags"
7908     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7909   fi
7910 fi
7911
7912 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7913   ldflags="$ldflags $textseg_ldflags"
7914 fi
7915
7916 # Newer kernels on s390 check for an S390_PGSTE program header and
7917 # enable the pgste page table extensions in that case. This makes
7918 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7919 # header if
7920 #  - we build on s390x
7921 #  - we build the system emulation for s390x (qemu-system-s390x)
7922 #  - KVM is enabled
7923 #  - the linker supports --s390-pgste
7924 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7925         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7926     if ld_has --s390-pgste ; then
7927         ldflags="-Wl,--s390-pgste $ldflags"
7928     fi
7929 fi
7930
7931 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7932 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7933
7934 done # for target in $targets
7935
7936 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
7937 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
7938
7939 if [ "$fdt" = "git" ]; then
7940   echo "config-host.h: dtc/all" >> $config_host_mak
7941 fi
7942 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7943   echo "config-host.h: capstone/all" >> $config_host_mak
7944 fi
7945 if test -n "$LIBCAPSTONE"; then
7946   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7947 fi
7948
7949 if test "$numa" = "yes"; then
7950   echo "CONFIG_NUMA=y" >> $config_host_mak
7951 fi
7952
7953 if test "$ccache_cpp2" = "yes"; then
7954   echo "export CCACHE_CPP2=y" >> $config_host_mak
7955 fi
7956
7957 # If we're using a separate build tree, set it up now.
7958 # DIRS are directories which we simply mkdir in the build tree;
7959 # LINKS are things to symlink back into the source tree
7960 # (these can be both files and directories).
7961 # Caution: do not add files or directories here using wildcards. This
7962 # will result in problems later if a new file matching the wildcard is
7963 # added to the source tree -- nothing will cause configure to be rerun
7964 # so the build tree will be missing the link back to the new file, and
7965 # tests might fail. Prefer to keep the relevant files in their own
7966 # directory and symlink the directory instead.
7967 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
7968 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
7969 DIRS="$DIRS docs docs/interop fsdev scsi"
7970 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7971 DIRS="$DIRS roms/seabios roms/vgabios"
7972 LINKS="Makefile"
7973 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
7974 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
7975 LINKS="$LINKS tests/plugin/Makefile"
7976 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7977 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7978 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7979 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7980 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7981 LINKS="$LINKS tests/acceptance tests/data"
7982 LINKS="$LINKS tests/qemu-iotests/check"
7983 LINKS="$LINKS python"
7984 for bios_file in \
7985     $source_path/pc-bios/*.bin \
7986     $source_path/pc-bios/*.lid \
7987     $source_path/pc-bios/*.rom \
7988     $source_path/pc-bios/*.dtb \
7989     $source_path/pc-bios/*.img \
7990     $source_path/pc-bios/openbios-* \
7991     $source_path/pc-bios/u-boot.* \
7992     $source_path/pc-bios/edk2-*.fd.bz2 \
7993     $source_path/pc-bios/palcode-*
7994 do
7995     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7996 done
7997 mkdir -p $DIRS
7998 for f in $LINKS ; do
7999     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
8000         symlink "$source_path/$f" "$f"
8001     fi
8002 done
8003
8004 (for i in $cross_cc_vars; do
8005   export $i
8006 done
8007 export target_list source_path use_containers
8008 $source_path/tests/tcg/configure.sh)
8009
8010 # temporary config to build submodules
8011 for rom in seabios vgabios ; do
8012     config_mak=roms/$rom/config.mak
8013     echo "# Automatically generated by configure - do not modify" > $config_mak
8014     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8015     echo "AS=$as" >> $config_mak
8016     echo "CCAS=$ccas" >> $config_mak
8017     echo "CC=$cc" >> $config_mak
8018     echo "BCC=bcc" >> $config_mak
8019     echo "CPP=$cpp" >> $config_mak
8020     echo "OBJCOPY=objcopy" >> $config_mak
8021     echo "IASL=$iasl" >> $config_mak
8022     echo "LD=$ld" >> $config_mak
8023     echo "RANLIB=$ranlib" >> $config_mak
8024 done
8025
8026 # set up qemu-iotests in this build directory
8027 iotests_common_env="tests/qemu-iotests/common.env"
8028
8029 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8030 echo >> "$iotests_common_env"
8031 echo "export PYTHON='$python'" >> "$iotests_common_env"
8032
8033 # Save the configure command line for later reuse.
8034 cat <<EOD >config.status
8035 #!/bin/sh
8036 # Generated by configure.
8037 # Run this file to recreate the current configuration.
8038 # Compiler output produced by configure, useful for debugging
8039 # configure, is in config.log if it exists.
8040 EOD
8041
8042 preserve_env() {
8043     envname=$1
8044
8045     eval envval=\$$envname
8046
8047     if test -n "$envval"
8048     then
8049         echo "$envname='$envval'" >> config.status
8050         echo "export $envname" >> config.status
8051     else
8052         echo "unset $envname" >> config.status
8053     fi
8054 }
8055
8056 # Preserve various env variables that influence what
8057 # features/build target configure will detect
8058 preserve_env AR
8059 preserve_env AS
8060 preserve_env CC
8061 preserve_env CPP
8062 preserve_env CXX
8063 preserve_env INSTALL
8064 preserve_env LD
8065 preserve_env LD_LIBRARY_PATH
8066 preserve_env LIBTOOL
8067 preserve_env MAKE
8068 preserve_env NM
8069 preserve_env OBJCOPY
8070 preserve_env PATH
8071 preserve_env PKG_CONFIG
8072 preserve_env PKG_CONFIG_LIBDIR
8073 preserve_env PKG_CONFIG_PATH
8074 preserve_env PYTHON
8075 preserve_env SDL2_CONFIG
8076 preserve_env SMBD
8077 preserve_env STRIP
8078 preserve_env WINDRES
8079
8080 printf "exec" >>config.status
8081 printf " '%s'" "$0" "$@" >>config.status
8082 echo ' "$@"' >>config.status
8083 chmod +x config.status
8084
8085 rm -r "$TMPDIR1"