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 else
3706     gio=no
3707 fi
3708
3709 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3710     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3711     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3712 fi
3713
3714 # Sanity check that the current size_t matches the
3715 # size that glib thinks it should be. This catches
3716 # problems on multi-arch where people try to build
3717 # 32-bit QEMU while pointing at 64-bit glib headers
3718 cat > $TMPC <<EOF
3719 #include <glib.h>
3720 #include <unistd.h>
3721
3722 #define QEMU_BUILD_BUG_ON(x) \
3723   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3724
3725 int main(void) {
3726    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3727    return 0;
3728 }
3729 EOF
3730
3731 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3732     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3733                "You probably need to set PKG_CONFIG_LIBDIR"\
3734                "to point to the right pkg-config files for your"\
3735                "build target"
3736 fi
3737
3738 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3739 cat > $TMPC << EOF
3740 #include <glib.h>
3741 int main(void) { return 0; }
3742 EOF
3743 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3744     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3745         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3746         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3747     fi
3748 fi
3749
3750 #########################################
3751 # zlib check
3752
3753 if test "$zlib" != "no" ; then
3754     if $pkg_config --exists zlib; then
3755         zlib_cflags=$($pkg_config --cflags zlib)
3756         zlib_libs=$($pkg_config --libs zlib)
3757         QEMU_CFLAGS="$zlib_cflags $QEMU_CFLAGS"
3758         LIBS="$zlib_libs $LIBS"
3759     else
3760         cat > $TMPC << EOF
3761 #include <zlib.h>
3762 int main(void) { zlibVersion(); return 0; }
3763 EOF
3764         if compile_prog "" "-lz" ; then
3765             LIBS="$LIBS -lz"
3766         else
3767             error_exit "zlib check failed" \
3768                 "Make sure to have the zlib libs and headers installed."
3769         fi
3770     fi
3771 fi
3772
3773 ##########################################
3774 # SHA command probe for modules
3775 if test "$modules" = yes; then
3776     shacmd_probe="sha1sum sha1 shasum"
3777     for c in $shacmd_probe; do
3778         if has $c; then
3779             shacmd="$c"
3780             break
3781         fi
3782     done
3783     if test "$shacmd" = ""; then
3784         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3785     fi
3786 fi
3787
3788 ##########################################
3789 # pixman support probe
3790
3791 if test "$want_tools" = "no" && test "$softmmu" = "no"; then
3792   pixman_cflags=
3793   pixman_libs=
3794 elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3795   pixman_cflags=$($pkg_config --cflags pixman-1)
3796   pixman_libs=$($pkg_config --libs pixman-1)
3797 else
3798   error_exit "pixman >= 0.21.8 not present." \
3799       "Please install the pixman devel package."
3800 fi
3801
3802 ##########################################
3803 # libmpathpersist probe
3804
3805 if test "$mpath" != "no" ; then
3806   # probe for the new API
3807   cat > $TMPC <<EOF
3808 #include <libudev.h>
3809 #include <mpath_persist.h>
3810 unsigned mpath_mx_alloc_len = 1024;
3811 int logsink;
3812 static struct config *multipath_conf;
3813 extern struct udev *udev;
3814 extern struct config *get_multipath_config(void);
3815 extern void put_multipath_config(struct config *conf);
3816 struct udev *udev;
3817 struct config *get_multipath_config(void) { return multipath_conf; }
3818 void put_multipath_config(struct config *conf) { }
3819
3820 int main(void) {
3821     udev = udev_new();
3822     multipath_conf = mpath_lib_init();
3823     return 0;
3824 }
3825 EOF
3826   if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3827     mpathpersist=yes
3828     mpathpersist_new_api=yes
3829   else
3830     # probe for the old API
3831     cat > $TMPC <<EOF
3832 #include <libudev.h>
3833 #include <mpath_persist.h>
3834 unsigned mpath_mx_alloc_len = 1024;
3835 int logsink;
3836 int main(void) {
3837     struct udev *udev = udev_new();
3838     mpath_lib_init(udev);
3839     return 0;
3840 }
3841 EOF
3842     if compile_prog "" "-ludev -lmultipath -lmpathpersist" ; then
3843       mpathpersist=yes
3844       mpathpersist_new_api=no
3845     else
3846       mpathpersist=no
3847     fi
3848   fi
3849 else
3850   mpathpersist=no
3851 fi
3852
3853 ##########################################
3854 # pthread probe
3855 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3856
3857 pthread=no
3858 cat > $TMPC << EOF
3859 #include <pthread.h>
3860 static void *f(void *p) { return NULL; }
3861 int main(void) {
3862   pthread_t thread;
3863   pthread_create(&thread, 0, f, 0);
3864   return 0;
3865 }
3866 EOF
3867 if compile_prog "" "" ; then
3868   pthread=yes
3869 else
3870   for pthread_lib in $PTHREADLIBS_LIST; do
3871     if compile_prog "" "$pthread_lib" ; then
3872       pthread=yes
3873       found=no
3874       for lib_entry in $LIBS; do
3875         if test "$lib_entry" = "$pthread_lib"; then
3876           found=yes
3877           break
3878         fi
3879       done
3880       if test "$found" = "no"; then
3881         LIBS="$pthread_lib $LIBS"
3882         libs_qga="$pthread_lib $libs_qga"
3883       fi
3884       PTHREAD_LIB="$pthread_lib"
3885       break
3886     fi
3887   done
3888 fi
3889
3890 if test "$mingw32" != yes && test "$pthread" = no; then
3891   error_exit "pthread check failed" \
3892       "Make sure to have the pthread libs and headers installed."
3893 fi
3894
3895 # check for pthread_setname_np with thread id
3896 pthread_setname_np_w_tid=no
3897 cat > $TMPC << EOF
3898 #include <pthread.h>
3899
3900 static void *f(void *p) { return NULL; }
3901 int main(void)
3902 {
3903     pthread_t thread;
3904     pthread_create(&thread, 0, f, 0);
3905     pthread_setname_np(thread, "QEMU");
3906     return 0;
3907 }
3908 EOF
3909 if compile_prog "" "$pthread_lib" ; then
3910   pthread_setname_np_w_tid=yes
3911 fi
3912
3913 # check for pthread_setname_np without thread id
3914 pthread_setname_np_wo_tid=no
3915 cat > $TMPC << EOF
3916 #include <pthread.h>
3917
3918 static void *f(void *p) { pthread_setname_np("QEMU"); }
3919 int main(void)
3920 {
3921     pthread_t thread;
3922     pthread_create(&thread, 0, f, 0);
3923     return 0;
3924 }
3925 EOF
3926 if compile_prog "" "$pthread_lib" ; then
3927   pthread_setname_np_wo_tid=yes
3928 fi
3929
3930 ##########################################
3931 # rbd probe
3932 if test "$rbd" != "no" ; then
3933   cat > $TMPC <<EOF
3934 #include <stdio.h>
3935 #include <rbd/librbd.h>
3936 int main(void) {
3937     rados_t cluster;
3938     rados_create(&cluster, NULL);
3939     return 0;
3940 }
3941 EOF
3942   rbd_libs="-lrbd -lrados"
3943   if compile_prog "" "$rbd_libs" ; then
3944     rbd=yes
3945   else
3946     if test "$rbd" = "yes" ; then
3947       feature_not_found "rados block device" "Install librbd/ceph devel"
3948     fi
3949     rbd=no
3950   fi
3951 fi
3952
3953 ##########################################
3954 # libssh probe
3955 if test "$libssh" != "no" ; then
3956   if $pkg_config --exists libssh; then
3957     libssh_cflags=$($pkg_config libssh --cflags)
3958     libssh_libs=$($pkg_config libssh --libs)
3959     libssh=yes
3960   else
3961     if test "$libssh" = "yes" ; then
3962       error_exit "libssh required for --enable-libssh"
3963     fi
3964     libssh=no
3965   fi
3966 fi
3967
3968 ##########################################
3969 # Check for libssh 0.8
3970 # This is done like this instead of using the LIBSSH_VERSION_* and
3971 # SSH_VERSION_* macros because some distributions in the past shipped
3972 # snapshots of the future 0.8 from Git, and those snapshots did not
3973 # have updated version numbers (still referring to 0.7.0).
3974
3975 if test "$libssh" = "yes"; then
3976   cat > $TMPC <<EOF
3977 #include <libssh/libssh.h>
3978 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3979 EOF
3980   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3981     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3982   fi
3983 fi
3984
3985 ##########################################
3986 # linux-aio probe
3987
3988 if test "$linux_aio" != "no" ; then
3989   cat > $TMPC <<EOF
3990 #include <libaio.h>
3991 #include <sys/eventfd.h>
3992 #include <stddef.h>
3993 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3994 EOF
3995   if compile_prog "" "-laio" ; then
3996     linux_aio=yes
3997   else
3998     if test "$linux_aio" = "yes" ; then
3999       feature_not_found "linux AIO" "Install libaio devel"
4000     fi
4001     linux_aio=no
4002   fi
4003 fi
4004
4005 ##########################################
4006 # TPM emulation is only on POSIX
4007
4008 if test "$tpm" = ""; then
4009   if test "$mingw32" = "yes"; then
4010     tpm=no
4011   else
4012     tpm=yes
4013   fi
4014 elif test "$tpm" = "yes"; then
4015   if test "$mingw32" = "yes" ; then
4016     error_exit "TPM emulation only available on POSIX systems"
4017   fi
4018 fi
4019
4020 ##########################################
4021 # attr probe
4022
4023 if test "$attr" != "no" ; then
4024   cat > $TMPC <<EOF
4025 #include <stdio.h>
4026 #include <sys/types.h>
4027 #ifdef CONFIG_LIBATTR
4028 #include <attr/xattr.h>
4029 #else
4030 #include <sys/xattr.h>
4031 #endif
4032 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
4033 EOF
4034   if compile_prog "" "" ; then
4035     attr=yes
4036   # Older distros have <attr/xattr.h>, and need -lattr:
4037   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
4038     attr=yes
4039     LIBS="-lattr $LIBS"
4040     libattr=yes
4041   else
4042     if test "$attr" = "yes" ; then
4043       feature_not_found "ATTR" "Install libc6 or libattr devel"
4044     fi
4045     attr=no
4046   fi
4047 fi
4048
4049 ##########################################
4050 # iovec probe
4051 cat > $TMPC <<EOF
4052 #include <sys/types.h>
4053 #include <sys/uio.h>
4054 #include <unistd.h>
4055 int main(void) { return sizeof(struct iovec); }
4056 EOF
4057 iovec=no
4058 if compile_prog "" "" ; then
4059   iovec=yes
4060 fi
4061
4062 ##########################################
4063 # preadv probe
4064 cat > $TMPC <<EOF
4065 #include <sys/types.h>
4066 #include <sys/uio.h>
4067 #include <unistd.h>
4068 int main(void) { return preadv(0, 0, 0, 0); }
4069 EOF
4070 preadv=no
4071 if compile_prog "" "" ; then
4072   preadv=yes
4073 fi
4074
4075 ##########################################
4076 # fdt probe
4077 # fdt support is mandatory for at least some target architectures,
4078 # so insist on it if we're building those system emulators.
4079 fdt_required=no
4080 for target in $target_list; do
4081   case $target in
4082     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu)
4083       fdt_required=yes
4084     ;;
4085   esac
4086 done
4087
4088 if test "$fdt_required" = "yes"; then
4089   if test "$fdt" = "no"; then
4090     error_exit "fdt disabled but some requested targets require it." \
4091       "You can turn off fdt only if you also disable all the system emulation" \
4092       "targets which need it (by specifying a cut down --target-list)."
4093   fi
4094   fdt=yes
4095 fi
4096
4097 if test "$fdt" != "no" ; then
4098   fdt_libs="-lfdt"
4099   # explicitly check for libfdt_env.h as it is missing in some stable installs
4100   # and test for required functions to make sure we are on a version >= 1.4.2
4101   cat > $TMPC << EOF
4102 #include <libfdt.h>
4103 #include <libfdt_env.h>
4104 int main(void) { fdt_check_full(NULL, 0); return 0; }
4105 EOF
4106   if compile_prog "" "$fdt_libs" ; then
4107     # system DTC is good - use it
4108     fdt=system
4109   else
4110       # have GIT checkout, so activate dtc submodule
4111       if test -e "${source_path}/.git" ; then
4112           git_submodules="${git_submodules} dtc"
4113       fi
4114       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
4115           fdt=git
4116           mkdir -p dtc
4117           if [ "$pwd_is_source_path" != "y" ] ; then
4118               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
4119               symlink "$source_path/dtc/scripts" "dtc/scripts"
4120           fi
4121           fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
4122           fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt"
4123           fdt_libs="$fdt_libs"
4124       elif test "$fdt" = "yes" ; then
4125           # Not a git build & no libfdt found, prompt for system install
4126           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
4127                      "Please install the DTC (libfdt) devel package"
4128       else
4129           # don't have and don't want
4130           fdt_libs=
4131           fdt=no
4132       fi
4133   fi
4134 fi
4135
4136 libs_softmmu="$libs_softmmu $fdt_libs"
4137
4138 ##########################################
4139 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4140
4141 gbm="no"
4142 if $pkg_config gbm; then
4143     gbm_cflags="$($pkg_config --cflags gbm)"
4144     gbm_libs="$($pkg_config --libs gbm)"
4145     gbm="yes"
4146 fi
4147
4148 if test "$opengl" != "no" ; then
4149   opengl_pkgs="epoxy gbm"
4150   if $pkg_config $opengl_pkgs; then
4151     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4152     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4153     opengl=yes
4154     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4155         gtk_gl="yes"
4156     fi
4157     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
4158   else
4159     if test "$opengl" = "yes" ; then
4160       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4161     fi
4162     opengl_cflags=""
4163     opengl_libs=""
4164     opengl=no
4165   fi
4166 fi
4167
4168 if test "$opengl" = "yes"; then
4169   cat > $TMPC << EOF
4170 #include <epoxy/egl.h>
4171 #ifndef EGL_MESA_image_dma_buf_export
4172 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4173 #endif
4174 int main(void) { return 0; }
4175 EOF
4176   if compile_prog "" "" ; then
4177     opengl_dmabuf=yes
4178   fi
4179 fi
4180
4181 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4182   for target in $target_list; do
4183     case $target in
4184       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4185         need_x11=yes
4186       ;;
4187     esac
4188   done
4189 fi
4190
4191 ##########################################
4192 # libxml2 probe
4193 if test "$libxml2" != "no" ; then
4194     if $pkg_config --exists libxml-2.0; then
4195         libxml2="yes"
4196         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4197         libxml2_libs=$($pkg_config --libs libxml-2.0)
4198     else
4199         if test "$libxml2" = "yes"; then
4200             feature_not_found "libxml2" "Install libxml2 devel"
4201         fi
4202         libxml2="no"
4203     fi
4204 fi
4205
4206 ##########################################
4207 # glusterfs probe
4208 if test "$glusterfs" != "no" ; then
4209   if $pkg_config --atleast-version=3 glusterfs-api; then
4210     glusterfs="yes"
4211     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4212     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4213     if $pkg_config --atleast-version=4 glusterfs-api; then
4214       glusterfs_xlator_opt="yes"
4215     fi
4216     if $pkg_config --atleast-version=5 glusterfs-api; then
4217       glusterfs_discard="yes"
4218     fi
4219     if $pkg_config --atleast-version=6 glusterfs-api; then
4220       glusterfs_fallocate="yes"
4221       glusterfs_zerofill="yes"
4222     fi
4223     cat > $TMPC << EOF
4224 #include <glusterfs/api/glfs.h>
4225
4226 int
4227 main(void)
4228 {
4229         /* new glfs_ftruncate() passes two additional args */
4230         return glfs_ftruncate(NULL, 0, NULL, NULL);
4231 }
4232 EOF
4233     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4234       glusterfs_ftruncate_has_stat="yes"
4235     fi
4236     cat > $TMPC << EOF
4237 #include <glusterfs/api/glfs.h>
4238
4239 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4240 static void
4241 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4242 {}
4243
4244 int
4245 main(void)
4246 {
4247         glfs_io_cbk iocb = &glusterfs_iocb;
4248         iocb(NULL, 0 , NULL, NULL, NULL);
4249         return 0;
4250 }
4251 EOF
4252     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4253       glusterfs_iocb_has_stat="yes"
4254     fi
4255   else
4256     if test "$glusterfs" = "yes" ; then
4257       feature_not_found "GlusterFS backend support" \
4258           "Install glusterfs-api devel >= 3"
4259     fi
4260     glusterfs="no"
4261   fi
4262 fi
4263
4264 # Check for inotify functions when we are building linux-user
4265 # emulator.  This is done because older glibc versions don't
4266 # have syscall stubs for these implemented.  In that case we
4267 # don't provide them even if kernel supports them.
4268 #
4269 inotify=no
4270 cat > $TMPC << EOF
4271 #include <sys/inotify.h>
4272
4273 int
4274 main(void)
4275 {
4276         /* try to start inotify */
4277         return inotify_init();
4278 }
4279 EOF
4280 if compile_prog "" "" ; then
4281   inotify=yes
4282 fi
4283
4284 inotify1=no
4285 cat > $TMPC << EOF
4286 #include <sys/inotify.h>
4287
4288 int
4289 main(void)
4290 {
4291     /* try to start inotify */
4292     return inotify_init1(0);
4293 }
4294 EOF
4295 if compile_prog "" "" ; then
4296   inotify1=yes
4297 fi
4298
4299 # check if pipe2 is there
4300 pipe2=no
4301 cat > $TMPC << EOF
4302 #include <unistd.h>
4303 #include <fcntl.h>
4304
4305 int main(void)
4306 {
4307     int pipefd[2];
4308     return pipe2(pipefd, O_CLOEXEC);
4309 }
4310 EOF
4311 if compile_prog "" "" ; then
4312   pipe2=yes
4313 fi
4314
4315 # check if accept4 is there
4316 accept4=no
4317 cat > $TMPC << EOF
4318 #include <sys/socket.h>
4319 #include <stddef.h>
4320
4321 int main(void)
4322 {
4323     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4324     return 0;
4325 }
4326 EOF
4327 if compile_prog "" "" ; then
4328   accept4=yes
4329 fi
4330
4331 # check if tee/splice is there. vmsplice was added same time.
4332 splice=no
4333 cat > $TMPC << EOF
4334 #include <unistd.h>
4335 #include <fcntl.h>
4336 #include <limits.h>
4337
4338 int main(void)
4339 {
4340     int len, fd = 0;
4341     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4342     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4343     return 0;
4344 }
4345 EOF
4346 if compile_prog "" "" ; then
4347   splice=yes
4348 fi
4349
4350 ##########################################
4351 # libnuma probe
4352
4353 if test "$numa" != "no" ; then
4354   cat > $TMPC << EOF
4355 #include <numa.h>
4356 int main(void) { return numa_available(); }
4357 EOF
4358
4359   if compile_prog "" "-lnuma" ; then
4360     numa=yes
4361     libs_softmmu="-lnuma $libs_softmmu"
4362   else
4363     if test "$numa" = "yes" ; then
4364       feature_not_found "numa" "install numactl devel"
4365     fi
4366     numa=no
4367   fi
4368 fi
4369
4370 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4371     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4372     exit 1
4373 fi
4374
4375 # Even if malloc_trim() is available, these non-libc memory allocators
4376 # do not support it.
4377 if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then
4378     if test "$malloc_trim" = "yes" ; then
4379         echo "Disabling malloc_trim with non-libc memory allocator"
4380     fi
4381     malloc_trim="no"
4382 fi
4383
4384 #######################################
4385 # malloc_trim
4386
4387 if test "$malloc_trim" != "no" ; then
4388     cat > $TMPC << EOF
4389 #include <malloc.h>
4390 int main(void) { malloc_trim(0); return 0; }
4391 EOF
4392     if compile_prog "" "" ; then
4393         malloc_trim="yes"
4394     else
4395         malloc_trim="no"
4396     fi
4397 fi
4398
4399 ##########################################
4400 # tcmalloc probe
4401
4402 if test "$tcmalloc" = "yes" ; then
4403   cat > $TMPC << EOF
4404 #include <stdlib.h>
4405 int main(void) { malloc(1); return 0; }
4406 EOF
4407
4408   if compile_prog "" "-ltcmalloc" ; then
4409     LIBS="-ltcmalloc $LIBS"
4410   else
4411     feature_not_found "tcmalloc" "install gperftools devel"
4412   fi
4413 fi
4414
4415 ##########################################
4416 # jemalloc probe
4417
4418 if test "$jemalloc" = "yes" ; then
4419   cat > $TMPC << EOF
4420 #include <stdlib.h>
4421 int main(void) { malloc(1); return 0; }
4422 EOF
4423
4424   if compile_prog "" "-ljemalloc" ; then
4425     LIBS="-ljemalloc $LIBS"
4426   else
4427     feature_not_found "jemalloc" "install jemalloc devel"
4428   fi
4429 fi
4430
4431 ##########################################
4432 # signalfd probe
4433 signalfd="no"
4434 cat > $TMPC << EOF
4435 #include <unistd.h>
4436 #include <sys/syscall.h>
4437 #include <signal.h>
4438 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4439 EOF
4440
4441 if compile_prog "" "" ; then
4442   signalfd=yes
4443 fi
4444
4445 # check if optreset global is declared by <getopt.h>
4446 optreset="no"
4447 cat > $TMPC << EOF
4448 #include <getopt.h>
4449 int main(void) { return optreset; }
4450 EOF
4451
4452 if compile_prog "" "" ; then
4453   optreset=yes
4454 fi
4455
4456 # check if eventfd is supported
4457 eventfd=no
4458 cat > $TMPC << EOF
4459 #include <sys/eventfd.h>
4460
4461 int main(void)
4462 {
4463     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4464 }
4465 EOF
4466 if compile_prog "" "" ; then
4467   eventfd=yes
4468 fi
4469
4470 # check if memfd is supported
4471 memfd=no
4472 cat > $TMPC << EOF
4473 #include <sys/mman.h>
4474
4475 int main(void)
4476 {
4477     return memfd_create("foo", MFD_ALLOW_SEALING);
4478 }
4479 EOF
4480 if compile_prog "" "" ; then
4481   memfd=yes
4482 fi
4483
4484 # check for usbfs
4485 have_usbfs=no
4486 if test "$linux_user" = "yes"; then
4487   cat > $TMPC << EOF
4488 #include <linux/usbdevice_fs.h>
4489
4490 #ifndef USBDEVFS_GET_CAPABILITIES
4491 #error "USBDEVFS_GET_CAPABILITIES undefined"
4492 #endif
4493
4494 #ifndef USBDEVFS_DISCONNECT_CLAIM
4495 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4496 #endif
4497
4498 int main(void)
4499 {
4500     return 0;
4501 }
4502 EOF
4503   if compile_prog "" ""; then
4504     have_usbfs=yes
4505   fi
4506 fi
4507
4508 # check for fallocate
4509 fallocate=no
4510 cat > $TMPC << EOF
4511 #include <fcntl.h>
4512
4513 int main(void)
4514 {
4515     fallocate(0, 0, 0, 0);
4516     return 0;
4517 }
4518 EOF
4519 if compile_prog "" "" ; then
4520   fallocate=yes
4521 fi
4522
4523 # check for fallocate hole punching
4524 fallocate_punch_hole=no
4525 cat > $TMPC << EOF
4526 #include <fcntl.h>
4527 #include <linux/falloc.h>
4528
4529 int main(void)
4530 {
4531     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4532     return 0;
4533 }
4534 EOF
4535 if compile_prog "" "" ; then
4536   fallocate_punch_hole=yes
4537 fi
4538
4539 # check that fallocate supports range zeroing inside the file
4540 fallocate_zero_range=no
4541 cat > $TMPC << EOF
4542 #include <fcntl.h>
4543 #include <linux/falloc.h>
4544
4545 int main(void)
4546 {
4547     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4548     return 0;
4549 }
4550 EOF
4551 if compile_prog "" "" ; then
4552   fallocate_zero_range=yes
4553 fi
4554
4555 # check for posix_fallocate
4556 posix_fallocate=no
4557 cat > $TMPC << EOF
4558 #include <fcntl.h>
4559
4560 int main(void)
4561 {
4562     posix_fallocate(0, 0, 0);
4563     return 0;
4564 }
4565 EOF
4566 if compile_prog "" "" ; then
4567     posix_fallocate=yes
4568 fi
4569
4570 # check for sync_file_range
4571 sync_file_range=no
4572 cat > $TMPC << EOF
4573 #include <fcntl.h>
4574
4575 int main(void)
4576 {
4577     sync_file_range(0, 0, 0, 0);
4578     return 0;
4579 }
4580 EOF
4581 if compile_prog "" "" ; then
4582   sync_file_range=yes
4583 fi
4584
4585 # check for linux/fiemap.h and FS_IOC_FIEMAP
4586 fiemap=no
4587 cat > $TMPC << EOF
4588 #include <sys/ioctl.h>
4589 #include <linux/fs.h>
4590 #include <linux/fiemap.h>
4591
4592 int main(void)
4593 {
4594     ioctl(0, FS_IOC_FIEMAP, 0);
4595     return 0;
4596 }
4597 EOF
4598 if compile_prog "" "" ; then
4599   fiemap=yes
4600 fi
4601
4602 # check for dup3
4603 dup3=no
4604 cat > $TMPC << EOF
4605 #include <unistd.h>
4606
4607 int main(void)
4608 {
4609     dup3(0, 0, 0);
4610     return 0;
4611 }
4612 EOF
4613 if compile_prog "" "" ; then
4614   dup3=yes
4615 fi
4616
4617 # check for ppoll support
4618 ppoll=no
4619 cat > $TMPC << EOF
4620 #include <poll.h>
4621
4622 int main(void)
4623 {
4624     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4625     ppoll(&pfd, 1, 0, 0);
4626     return 0;
4627 }
4628 EOF
4629 if compile_prog "" "" ; then
4630   ppoll=yes
4631 fi
4632
4633 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4634 prctl_pr_set_timerslack=no
4635 cat > $TMPC << EOF
4636 #include <sys/prctl.h>
4637
4638 int main(void)
4639 {
4640     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4641     return 0;
4642 }
4643 EOF
4644 if compile_prog "" "" ; then
4645   prctl_pr_set_timerslack=yes
4646 fi
4647
4648 # check for epoll support
4649 epoll=no
4650 cat > $TMPC << EOF
4651 #include <sys/epoll.h>
4652
4653 int main(void)
4654 {
4655     epoll_create(0);
4656     return 0;
4657 }
4658 EOF
4659 if compile_prog "" "" ; then
4660   epoll=yes
4661 fi
4662
4663 # epoll_create1 is a later addition
4664 # so we must check separately for its presence
4665 epoll_create1=no
4666 cat > $TMPC << EOF
4667 #include <sys/epoll.h>
4668
4669 int main(void)
4670 {
4671     /* Note that we use epoll_create1 as a value, not as
4672      * a function being called. This is necessary so that on
4673      * old SPARC glibc versions where the function was present in
4674      * the library but not declared in the header file we will
4675      * fail the configure check. (Otherwise we will get a compiler
4676      * warning but not an error, and will proceed to fail the
4677      * qemu compile where we compile with -Werror.)
4678      */
4679     return (int)(uintptr_t)&epoll_create1;
4680 }
4681 EOF
4682 if compile_prog "" "" ; then
4683   epoll_create1=yes
4684 fi
4685
4686 # check for sendfile support
4687 sendfile=no
4688 cat > $TMPC << EOF
4689 #include <sys/sendfile.h>
4690
4691 int main(void)
4692 {
4693     return sendfile(0, 0, 0, 0);
4694 }
4695 EOF
4696 if compile_prog "" "" ; then
4697   sendfile=yes
4698 fi
4699
4700 # check for timerfd support (glibc 2.8 and newer)
4701 timerfd=no
4702 cat > $TMPC << EOF
4703 #include <sys/timerfd.h>
4704
4705 int main(void)
4706 {
4707     return(timerfd_create(CLOCK_REALTIME, 0));
4708 }
4709 EOF
4710 if compile_prog "" "" ; then
4711   timerfd=yes
4712 fi
4713
4714 # check for setns and unshare support
4715 setns=no
4716 cat > $TMPC << EOF
4717 #include <sched.h>
4718
4719 int main(void)
4720 {
4721     int ret;
4722     ret = setns(0, 0);
4723     ret = unshare(0);
4724     return ret;
4725 }
4726 EOF
4727 if compile_prog "" "" ; then
4728   setns=yes
4729 fi
4730
4731 # clock_adjtime probe
4732 clock_adjtime=no
4733 cat > $TMPC <<EOF
4734 #include <time.h>
4735
4736 int main(void)
4737 {
4738     return clock_adjtime(0, 0);
4739 }
4740 EOF
4741 clock_adjtime=no
4742 if compile_prog "" "" ; then
4743   clock_adjtime=yes
4744 fi
4745
4746 # syncfs probe
4747 syncfs=no
4748 cat > $TMPC <<EOF
4749 #include <unistd.h>
4750
4751 int main(void)
4752 {
4753     return syncfs(0);
4754 }
4755 EOF
4756 syncfs=no
4757 if compile_prog "" "" ; then
4758   syncfs=yes
4759 fi
4760
4761 # Check we have a new enough version of sphinx-build
4762 has_sphinx_build() {
4763     # This is a bit awkward but works: create a trivial document and
4764     # try to run it with our configuration file (which enforces a
4765     # version requirement). This will fail if either
4766     # sphinx-build doesn't exist at all or if it is too old.
4767     mkdir -p "$TMPDIR1/sphinx"
4768     touch "$TMPDIR1/sphinx/index.rst"
4769     sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
4770 }
4771
4772 # Check if tools are available to build documentation.
4773 if test "$docs" != "no" ; then
4774   if has makeinfo && has pod2man && has_sphinx_build; then
4775     docs=yes
4776   else
4777     if test "$docs" = "yes" ; then
4778       feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
4779     fi
4780     docs=no
4781   fi
4782 fi
4783
4784 # Search for bswap_32 function
4785 byteswap_h=no
4786 cat > $TMPC << EOF
4787 #include <byteswap.h>
4788 int main(void) { return bswap_32(0); }
4789 EOF
4790 if compile_prog "" "" ; then
4791   byteswap_h=yes
4792 fi
4793
4794 # Search for bswap32 function
4795 bswap_h=no
4796 cat > $TMPC << EOF
4797 #include <sys/endian.h>
4798 #include <sys/types.h>
4799 #include <machine/bswap.h>
4800 int main(void) { return bswap32(0); }
4801 EOF
4802 if compile_prog "" "" ; then
4803   bswap_h=yes
4804 fi
4805
4806 ##########################################
4807 # Do we have libiscsi >= 1.9.0
4808 if test "$libiscsi" != "no" ; then
4809   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4810     libiscsi="yes"
4811     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4812     libiscsi_libs=$($pkg_config --libs libiscsi)
4813   else
4814     if test "$libiscsi" = "yes" ; then
4815       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4816     fi
4817     libiscsi="no"
4818   fi
4819 fi
4820
4821 ##########################################
4822 # Do we need libm
4823 cat > $TMPC << EOF
4824 #include <math.h>
4825 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4826 EOF
4827 if compile_prog "" "" ; then
4828   :
4829 elif compile_prog "" "-lm" ; then
4830   LIBS="-lm $LIBS"
4831   libs_qga="-lm $libs_qga"
4832 else
4833   error_exit "libm check failed"
4834 fi
4835
4836 ##########################################
4837 # Do we need librt
4838 # uClibc provides 2 versions of clock_gettime(), one with realtime
4839 # support and one without. This means that the clock_gettime() don't
4840 # need -lrt. We still need it for timer_create() so we check for this
4841 # function in addition.
4842 cat > $TMPC <<EOF
4843 #include <signal.h>
4844 #include <time.h>
4845 int main(void) {
4846   timer_create(CLOCK_REALTIME, NULL, NULL);
4847   return clock_gettime(CLOCK_REALTIME, NULL);
4848 }
4849 EOF
4850
4851 if compile_prog "" "" ; then
4852   :
4853 # we need pthread for static linking. use previous pthread test result
4854 elif compile_prog "" "$pthread_lib -lrt" ; then
4855   LIBS="$LIBS -lrt"
4856   libs_qga="$libs_qga -lrt"
4857 fi
4858
4859 # Check whether we need to link libutil for openpty()
4860 cat > $TMPC << EOF
4861 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4862 int main(void) { return openpty(0, 0, 0, 0, 0); }
4863 EOF
4864
4865 if ! compile_prog "" "" ; then
4866   if compile_prog "" "-lutil" ; then
4867     libs_softmmu="-lutil $libs_softmmu"
4868     libs_tools="-lutil $libs_tools"
4869   fi
4870 fi
4871
4872 ##########################################
4873 # spice probe
4874 if test "$spice" != "no" ; then
4875   cat > $TMPC << EOF
4876 #include <spice.h>
4877 int main(void) { spice_server_new(); return 0; }
4878 EOF
4879   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4880   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4881   if $pkg_config --atleast-version=0.12.5 spice-server && \
4882      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4883      compile_prog "$spice_cflags" "$spice_libs" ; then
4884     spice="yes"
4885     libs_softmmu="$libs_softmmu $spice_libs"
4886     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4887     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4888     spice_server_version=$($pkg_config --modversion spice-server)
4889   else
4890     if test "$spice" = "yes" ; then
4891       feature_not_found "spice" \
4892           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4893     fi
4894     spice="no"
4895   fi
4896 fi
4897
4898 # check for smartcard support
4899 if test "$smartcard" != "no"; then
4900     if $pkg_config --atleast-version=2.5.1 libcacard; then
4901         libcacard_cflags=$($pkg_config --cflags libcacard)
4902         libcacard_libs=$($pkg_config --libs libcacard)
4903         smartcard="yes"
4904     else
4905         if test "$smartcard" = "yes"; then
4906             feature_not_found "smartcard" "Install libcacard devel"
4907         fi
4908         smartcard="no"
4909     fi
4910 fi
4911
4912 # check for libusb
4913 if test "$libusb" != "no" ; then
4914     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4915         libusb="yes"
4916         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4917         libusb_libs=$($pkg_config --libs libusb-1.0)
4918     else
4919         if test "$libusb" = "yes"; then
4920             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4921         fi
4922         libusb="no"
4923     fi
4924 fi
4925
4926 # check for usbredirparser for usb network redirection support
4927 if test "$usb_redir" != "no" ; then
4928     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4929         usb_redir="yes"
4930         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4931         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4932     else
4933         if test "$usb_redir" = "yes"; then
4934             feature_not_found "usb-redir" "Install usbredir devel"
4935         fi
4936         usb_redir="no"
4937     fi
4938 fi
4939
4940 ##########################################
4941 # check if we have VSS SDK headers for win
4942
4943 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4944         test "$vss_win32_sdk" != "no" ; then
4945   case "$vss_win32_sdk" in
4946     "")   vss_win32_include="-isystem $source_path" ;;
4947     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4948           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4949           vss_win32_include="-isystem $source_path/.sdk/vss"
4950           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4951           ;;
4952     *)    vss_win32_include="-isystem $vss_win32_sdk"
4953   esac
4954   cat > $TMPC << EOF
4955 #define __MIDL_user_allocate_free_DEFINED__
4956 #include <inc/win2003/vss.h>
4957 int main(void) { return VSS_CTX_BACKUP; }
4958 EOF
4959   if compile_prog "$vss_win32_include" "" ; then
4960     guest_agent_with_vss="yes"
4961     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4962     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4963     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4964   else
4965     if test "$vss_win32_sdk" != "" ; then
4966       echo "ERROR: Please download and install Microsoft VSS SDK:"
4967       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4968       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4969       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4970       echo "ERROR: The headers are extracted in the directory \`inc'."
4971       feature_not_found "VSS support"
4972     fi
4973     guest_agent_with_vss="no"
4974   fi
4975 fi
4976
4977 ##########################################
4978 # lookup Windows platform SDK (if not specified)
4979 # The SDK is needed only to build .tlb (type library) file of guest agent
4980 # VSS provider from the source. It is usually unnecessary because the
4981 # pre-compiled .tlb file is included.
4982
4983 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4984         test "$guest_agent_with_vss" = "yes" ; then
4985   if test -z "$win_sdk"; then
4986     programfiles="$PROGRAMFILES"
4987     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4988     if test -n "$programfiles"; then
4989       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4990     else
4991       feature_not_found "Windows SDK"
4992     fi
4993   elif test "$win_sdk" = "no"; then
4994     win_sdk=""
4995   fi
4996 fi
4997
4998 ##########################################
4999 # check if mingw environment provides a recent ntddscsi.h
5000 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
5001   cat > $TMPC << EOF
5002 #include <windows.h>
5003 #include <ntddscsi.h>
5004 int main(void) {
5005 #if !defined(IOCTL_SCSI_GET_ADDRESS)
5006 #error Missing required ioctl definitions
5007 #endif
5008   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
5009   return addr.Lun;
5010 }
5011 EOF
5012   if compile_prog "" "" ; then
5013     guest_agent_ntddscsi=yes
5014     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
5015   fi
5016 fi
5017
5018 ##########################################
5019 # virgl renderer probe
5020
5021 if test "$virglrenderer" != "no" ; then
5022   cat > $TMPC << EOF
5023 #include <virglrenderer.h>
5024 int main(void) { virgl_renderer_poll(); return 0; }
5025 EOF
5026   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
5027   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
5028   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
5029   if $pkg_config virglrenderer >/dev/null 2>&1 && \
5030      compile_prog "$virgl_cflags" "$virgl_libs" ; then
5031     virglrenderer="yes"
5032   else
5033     if test "$virglrenderer" = "yes" ; then
5034       feature_not_found "virglrenderer"
5035     fi
5036     virglrenderer="no"
5037   fi
5038 fi
5039
5040 ##########################################
5041 # capstone
5042
5043 case "$capstone" in
5044   "" | yes)
5045     if $pkg_config capstone; then
5046       capstone=system
5047     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5048       capstone=git
5049     elif test -e "${source_path}/capstone/Makefile" ; then
5050       capstone=internal
5051     elif test -z "$capstone" ; then
5052       capstone=no
5053     else
5054       feature_not_found "capstone" "Install capstone devel or git submodule"
5055     fi
5056     ;;
5057
5058   system)
5059     if ! $pkg_config capstone; then
5060       feature_not_found "capstone" "Install capstone devel"
5061     fi
5062     ;;
5063 esac
5064
5065 case "$capstone" in
5066   git | internal)
5067     if test "$capstone" = git; then
5068       git_submodules="${git_submodules} capstone"
5069     fi
5070     mkdir -p capstone
5071     QEMU_CFLAGS="$QEMU_CFLAGS -I\$(SRC_PATH)/capstone/include"
5072     if test "$mingw32" = "yes"; then
5073       LIBCAPSTONE=capstone.lib
5074     else
5075       LIBCAPSTONE=libcapstone.a
5076     fi
5077     libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
5078     ;;
5079
5080   system)
5081     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
5082     libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
5083     ;;
5084
5085   no)
5086     ;;
5087   *)
5088     error_exit "Unknown state for capstone: $capstone"
5089     ;;
5090 esac
5091
5092 ##########################################
5093 # check if we have fdatasync
5094
5095 fdatasync=no
5096 cat > $TMPC << EOF
5097 #include <unistd.h>
5098 int main(void) {
5099 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
5100 return fdatasync(0);
5101 #else
5102 #error Not supported
5103 #endif
5104 }
5105 EOF
5106 if compile_prog "" "" ; then
5107     fdatasync=yes
5108 fi
5109
5110 ##########################################
5111 # check if we have madvise
5112
5113 madvise=no
5114 cat > $TMPC << EOF
5115 #include <sys/types.h>
5116 #include <sys/mman.h>
5117 #include <stddef.h>
5118 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
5119 EOF
5120 if compile_prog "" "" ; then
5121     madvise=yes
5122 fi
5123
5124 ##########################################
5125 # check if we have posix_madvise
5126
5127 posix_madvise=no
5128 cat > $TMPC << EOF
5129 #include <sys/mman.h>
5130 #include <stddef.h>
5131 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
5132 EOF
5133 if compile_prog "" "" ; then
5134     posix_madvise=yes
5135 fi
5136
5137 ##########################################
5138 # check if we have posix_memalign()
5139
5140 posix_memalign=no
5141 cat > $TMPC << EOF
5142 #include <stdlib.h>
5143 int main(void) {
5144     void *p;
5145     return posix_memalign(&p, 8, 8);
5146 }
5147 EOF
5148 if compile_prog "" "" ; then
5149     posix_memalign=yes
5150 fi
5151
5152 ##########################################
5153 # check if we have posix_syslog
5154
5155 posix_syslog=no
5156 cat > $TMPC << EOF
5157 #include <syslog.h>
5158 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
5159 EOF
5160 if compile_prog "" "" ; then
5161     posix_syslog=yes
5162 fi
5163
5164 ##########################################
5165 # check if we have sem_timedwait
5166
5167 sem_timedwait=no
5168 cat > $TMPC << EOF
5169 #include <semaphore.h>
5170 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
5171 EOF
5172 if compile_prog "" "" ; then
5173     sem_timedwait=yes
5174 fi
5175
5176 ##########################################
5177 # check if we have strchrnul
5178
5179 strchrnul=no
5180 cat > $TMPC << EOF
5181 #include <string.h>
5182 int main(void);
5183 // Use a haystack that the compiler shouldn't be able to constant fold
5184 char *haystack = (char*)&main;
5185 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
5186 EOF
5187 if compile_prog "" "" ; then
5188     strchrnul=yes
5189 fi
5190
5191 ##########################################
5192 # check if trace backend exists
5193
5194 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
5195 if test "$?" -ne 0 ; then
5196   error_exit "invalid trace backends" \
5197       "Please choose supported trace backends."
5198 fi
5199
5200 ##########################################
5201 # For 'ust' backend, test if ust headers are present
5202 if have_backend "ust"; then
5203   cat > $TMPC << EOF
5204 #include <lttng/tracepoint.h>
5205 int main(void) { return 0; }
5206 EOF
5207   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5208     if $pkg_config lttng-ust --exists; then
5209       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5210     else
5211       lttng_ust_libs="-llttng-ust -ldl"
5212     fi
5213     if $pkg_config liburcu-bp --exists; then
5214       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5215     else
5216       urcu_bp_libs="-lurcu-bp"
5217     fi
5218
5219     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
5220     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
5221   else
5222     error_exit "Trace backend 'ust' missing lttng-ust header files"
5223   fi
5224 fi
5225
5226 ##########################################
5227 # For 'dtrace' backend, test if 'dtrace' command is present
5228 if have_backend "dtrace"; then
5229   if ! has 'dtrace' ; then
5230     error_exit "dtrace command is not found in PATH $PATH"
5231   fi
5232   trace_backend_stap="no"
5233   if has 'stap' ; then
5234     trace_backend_stap="yes"
5235   fi
5236 fi
5237
5238 ##########################################
5239 # check and set a backend for coroutine
5240
5241 # We prefer ucontext, but it's not always possible. The fallback
5242 # is sigcontext. On Windows the only valid backend is the Windows
5243 # specific one.
5244
5245 ucontext_works=no
5246 if test "$darwin" != "yes"; then
5247   cat > $TMPC << EOF
5248 #include <ucontext.h>
5249 #ifdef __stub_makecontext
5250 #error Ignoring glibc stub makecontext which will always fail
5251 #endif
5252 int main(void) { makecontext(0, 0, 0); return 0; }
5253 EOF
5254   if compile_prog "" "" ; then
5255     ucontext_works=yes
5256   fi
5257 fi
5258
5259 if test "$coroutine" = ""; then
5260   if test "$mingw32" = "yes"; then
5261     coroutine=win32
5262   elif test "$ucontext_works" = "yes"; then
5263     coroutine=ucontext
5264   else
5265     coroutine=sigaltstack
5266   fi
5267 else
5268   case $coroutine in
5269   windows)
5270     if test "$mingw32" != "yes"; then
5271       error_exit "'windows' coroutine backend only valid for Windows"
5272     fi
5273     # Unfortunately the user visible backend name doesn't match the
5274     # coroutine-*.c filename for this case, so we have to adjust it here.
5275     coroutine=win32
5276     ;;
5277   ucontext)
5278     if test "$ucontext_works" != "yes"; then
5279       feature_not_found "ucontext"
5280     fi
5281     ;;
5282   sigaltstack)
5283     if test "$mingw32" = "yes"; then
5284       error_exit "only the 'windows' coroutine backend is valid for Windows"
5285     fi
5286     ;;
5287   *)
5288     error_exit "unknown coroutine backend $coroutine"
5289     ;;
5290   esac
5291 fi
5292
5293 if test "$coroutine_pool" = ""; then
5294   coroutine_pool=yes
5295 fi
5296
5297 if test "$debug_stack_usage" = "yes"; then
5298   if test "$coroutine_pool" = "yes"; then
5299     echo "WARN: disabling coroutine pool for stack usage debugging"
5300     coroutine_pool=no
5301   fi
5302 fi
5303
5304
5305 ##########################################
5306 # check if we have open_by_handle_at
5307
5308 open_by_handle_at=no
5309 cat > $TMPC << EOF
5310 #include <fcntl.h>
5311 #if !defined(AT_EMPTY_PATH)
5312 # error missing definition
5313 #else
5314 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5315 #endif
5316 EOF
5317 if compile_prog "" "" ; then
5318     open_by_handle_at=yes
5319 fi
5320
5321 ########################################
5322 # check if we have linux/magic.h
5323
5324 linux_magic_h=no
5325 cat > $TMPC << EOF
5326 #include <linux/magic.h>
5327 int main(void) {
5328   return 0;
5329 }
5330 EOF
5331 if compile_prog "" "" ; then
5332     linux_magic_h=yes
5333 fi
5334
5335 ########################################
5336 # check whether we can disable warning option with a pragma (this is needed
5337 # to silence warnings in the headers of some versions of external libraries).
5338 # This test has to be compiled with -Werror as otherwise an unknown pragma is
5339 # only a warning.
5340 #
5341 # If we can't selectively disable warning in the code, disable -Werror so that
5342 # the build doesn't fail anyway.
5343
5344 pragma_disable_unused_but_set=no
5345 cat > $TMPC << EOF
5346 #pragma GCC diagnostic push
5347 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
5348 #pragma GCC diagnostic pop
5349
5350 int main(void) {
5351     return 0;
5352 }
5353 EOF
5354 if compile_prog "-Werror" "" ; then
5355     pragma_diagnostic_available=yes
5356 else
5357     werror=no
5358 fi
5359
5360 ########################################
5361 # check if we have valgrind/valgrind.h
5362
5363 valgrind_h=no
5364 cat > $TMPC << EOF
5365 #include <valgrind/valgrind.h>
5366 int main(void) {
5367   return 0;
5368 }
5369 EOF
5370 if compile_prog "" "" ; then
5371     valgrind_h=yes
5372 fi
5373
5374 ########################################
5375 # check if environ is declared
5376
5377 has_environ=no
5378 cat > $TMPC << EOF
5379 #include <unistd.h>
5380 int main(void) {
5381     environ = 0;
5382     return 0;
5383 }
5384 EOF
5385 if compile_prog "" "" ; then
5386     has_environ=yes
5387 fi
5388
5389 ########################################
5390 # check if cpuid.h is usable.
5391
5392 cat > $TMPC << EOF
5393 #include <cpuid.h>
5394 int main(void) {
5395     unsigned a, b, c, d;
5396     int max = __get_cpuid_max(0, 0);
5397
5398     if (max >= 1) {
5399         __cpuid(1, a, b, c, d);
5400     }
5401
5402     if (max >= 7) {
5403         __cpuid_count(7, 0, a, b, c, d);
5404     }
5405
5406     return 0;
5407 }
5408 EOF
5409 if compile_prog "" "" ; then
5410     cpuid_h=yes
5411 fi
5412
5413 ##########################################
5414 # avx2 optimization requirement check
5415 #
5416 # There is no point enabling this if cpuid.h is not usable,
5417 # since we won't be able to select the new routines.
5418
5419 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5420   cat > $TMPC << EOF
5421 #pragma GCC push_options
5422 #pragma GCC target("avx2")
5423 #include <cpuid.h>
5424 #include <immintrin.h>
5425 static int bar(void *a) {
5426     __m256i x = *(__m256i *)a;
5427     return _mm256_testz_si256(x, x);
5428 }
5429 int main(int argc, char *argv[]) { return bar(argv[0]); }
5430 EOF
5431   if compile_object "" ; then
5432     avx2_opt="yes"
5433   else
5434     avx2_opt="no"
5435   fi
5436 fi
5437
5438 ########################################
5439 # check if __[u]int128_t is usable.
5440
5441 int128=no
5442 cat > $TMPC << EOF
5443 __int128_t a;
5444 __uint128_t b;
5445 int main (void) {
5446   a = a + b;
5447   b = a * b;
5448   a = a * a;
5449   return 0;
5450 }
5451 EOF
5452 if compile_prog "" "" ; then
5453     int128=yes
5454 fi
5455
5456 #########################################
5457 # See if 128-bit atomic operations are supported.
5458
5459 atomic128=no
5460 if test "$int128" = "yes"; then
5461   cat > $TMPC << EOF
5462 int main(void)
5463 {
5464   unsigned __int128 x = 0, y = 0;
5465   y = __atomic_load_16(&x, 0);
5466   __atomic_store_16(&x, y, 0);
5467   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5468   return 0;
5469 }
5470 EOF
5471   if compile_prog "" "" ; then
5472     atomic128=yes
5473   fi
5474 fi
5475
5476 cmpxchg128=no
5477 if test "$int128" = yes && test "$atomic128" = no; then
5478   cat > $TMPC << EOF
5479 int main(void)
5480 {
5481   unsigned __int128 x = 0, y = 0;
5482   __sync_val_compare_and_swap_16(&x, y, x);
5483   return 0;
5484 }
5485 EOF
5486   if compile_prog "" "" ; then
5487     cmpxchg128=yes
5488   fi
5489 fi
5490
5491 #########################################
5492 # See if 64-bit atomic operations are supported.
5493 # Note that without __atomic builtins, we can only
5494 # assume atomic loads/stores max at pointer size.
5495
5496 cat > $TMPC << EOF
5497 #include <stdint.h>
5498 int main(void)
5499 {
5500   uint64_t x = 0, y = 0;
5501 #ifdef __ATOMIC_RELAXED
5502   y = __atomic_load_8(&x, 0);
5503   __atomic_store_8(&x, y, 0);
5504   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
5505   __atomic_exchange_8(&x, y, 0);
5506   __atomic_fetch_add_8(&x, y, 0);
5507 #else
5508   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5509   __sync_lock_test_and_set(&x, y);
5510   __sync_val_compare_and_swap(&x, y, 0);
5511   __sync_fetch_and_add(&x, y);
5512 #endif
5513   return 0;
5514 }
5515 EOF
5516 if compile_prog "" "" ; then
5517   atomic64=yes
5518 fi
5519
5520 #########################################
5521 # See if --dynamic-list is supported by the linker
5522 ld_dynamic_list="no"
5523 if test "$static" = "no" ; then
5524     cat > $TMPTXT <<EOF
5525 {
5526   foo;
5527 };
5528 EOF
5529
5530     cat > $TMPC <<EOF
5531 #include <stdio.h>
5532 void foo(void);
5533
5534 void foo(void)
5535 {
5536   printf("foo\n");
5537 }
5538
5539 int main(void)
5540 {
5541   foo();
5542   return 0;
5543 }
5544 EOF
5545
5546     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5547         ld_dynamic_list="yes"
5548     fi
5549 fi
5550
5551 #########################################
5552 # See if -exported_symbols_list is supported by the linker
5553
5554 ld_exported_symbols_list="no"
5555 if test "$static" = "no" ; then
5556     cat > $TMPTXT <<EOF
5557   _foo
5558 EOF
5559
5560     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5561         ld_exported_symbols_list="yes"
5562     fi
5563 fi
5564
5565 if  test "$plugins" = "yes" &&
5566     test "$ld_dynamic_list" = "no" &&
5567     test "$ld_exported_symbols_list" = "no" ; then
5568   error_exit \
5569       "Plugin support requires dynamic linking and specifying a set of symbols " \
5570       "that are exported to plugins. Unfortunately your linker doesn't " \
5571       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5572       "for this purpose. You can't build with --static."
5573 fi
5574
5575 ########################################
5576 # See if 16-byte vector operations are supported.
5577 # Even without a vector unit the compiler may expand these.
5578 # There is a bug in old GCC for PPC that crashes here.
5579 # Unfortunately it's the system compiler for Centos 7.
5580
5581 cat > $TMPC << EOF
5582 typedef unsigned char U1 __attribute__((vector_size(16)));
5583 typedef unsigned short U2 __attribute__((vector_size(16)));
5584 typedef unsigned int U4 __attribute__((vector_size(16)));
5585 typedef unsigned long long U8 __attribute__((vector_size(16)));
5586 typedef signed char S1 __attribute__((vector_size(16)));
5587 typedef signed short S2 __attribute__((vector_size(16)));
5588 typedef signed int S4 __attribute__((vector_size(16)));
5589 typedef signed long long S8 __attribute__((vector_size(16)));
5590 static U1 a1, b1;
5591 static U2 a2, b2;
5592 static U4 a4, b4;
5593 static U8 a8, b8;
5594 static S1 c1;
5595 static S2 c2;
5596 static S4 c4;
5597 static S8 c8;
5598 static int i;
5599 void helper(void *d, void *a, int shift, int i);
5600 void helper(void *d, void *a, int shift, int i)
5601 {
5602   *(U1 *)(d + i) = *(U1 *)(a + i) << shift;
5603   *(U2 *)(d + i) = *(U2 *)(a + i) << shift;
5604   *(U4 *)(d + i) = *(U4 *)(a + i) << shift;
5605   *(U8 *)(d + i) = *(U8 *)(a + i) << shift;
5606 }
5607 int main(void)
5608 {
5609   a1 += b1; a2 += b2; a4 += b4; a8 += b8;
5610   a1 -= b1; a2 -= b2; a4 -= b4; a8 -= b8;
5611   a1 *= b1; a2 *= b2; a4 *= b4; a8 *= b8;
5612   a1 &= b1; a2 &= b2; a4 &= b4; a8 &= b8;
5613   a1 |= b1; a2 |= b2; a4 |= b4; a8 |= b8;
5614   a1 ^= b1; a2 ^= b2; a4 ^= b4; a8 ^= b8;
5615   a1 <<= i; a2 <<= i; a4 <<= i; a8 <<= i;
5616   a1 >>= i; a2 >>= i; a4 >>= i; a8 >>= i;
5617   c1 >>= i; c2 >>= i; c4 >>= i; c8 >>= i;
5618   return 0;
5619 }
5620 EOF
5621
5622 vector16=no
5623 if compile_prog "" "" ; then
5624   vector16=yes
5625 fi
5626
5627 ########################################
5628 # See if __attribute__((alias)) is supported.
5629 # This false for Xcode 9, but has been remedied for Xcode 10.
5630 # Unfortunately, travis uses Xcode 9 by default.
5631
5632 attralias=no
5633 cat > $TMPC << EOF
5634 int x = 1;
5635 extern const int y __attribute__((alias("x")));
5636 int main(void) { return 0; }
5637 EOF
5638 if compile_prog "" "" ; then
5639     attralias=yes
5640 fi
5641
5642 ########################################
5643 # check if getauxval is available.
5644
5645 getauxval=no
5646 cat > $TMPC << EOF
5647 #include <sys/auxv.h>
5648 int main(void) {
5649   return getauxval(AT_HWCAP) == 0;
5650 }
5651 EOF
5652 if compile_prog "" "" ; then
5653     getauxval=yes
5654 fi
5655
5656 ########################################
5657 # check if ccache is interfering with
5658 # semantic analysis of macros
5659
5660 unset CCACHE_CPP2
5661 ccache_cpp2=no
5662 cat > $TMPC << EOF
5663 static const int Z = 1;
5664 #define fn() ({ Z; })
5665 #define TAUT(X) ((X) == Z)
5666 #define PAREN(X, Y) (X == Y)
5667 #define ID(X) (X)
5668 int main(int argc, char *argv[])
5669 {
5670     int x = 0, y = 0;
5671     x = ID(x);
5672     x = fn();
5673     fn();
5674     if (PAREN(x, y)) return 0;
5675     if (TAUT(Z)) return 0;
5676     return 0;
5677 }
5678 EOF
5679
5680 if ! compile_object "-Werror"; then
5681     ccache_cpp2=yes
5682 fi
5683
5684 #################################################
5685 # clang does not support glibc + FORTIFY_SOURCE.
5686
5687 if test "$fortify_source" != "no"; then
5688   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5689     fortify_source="no";
5690   elif test -n "$cxx" && has $cxx &&
5691        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5692     fortify_source="no";
5693   else
5694     fortify_source="yes"
5695   fi
5696 fi
5697
5698 ###############################################
5699 # Check if copy_file_range is provided by glibc
5700 have_copy_file_range=no
5701 cat > $TMPC << EOF
5702 #include <unistd.h>
5703 int main(void) {
5704   copy_file_range(0, NULL, 0, NULL, 0, 0);
5705   return 0;
5706 }
5707 EOF
5708 if compile_prog "" "" ; then
5709     have_copy_file_range=yes
5710 fi
5711
5712 ##########################################
5713 # check if struct fsxattr is available via linux/fs.h
5714
5715 have_fsxattr=no
5716 cat > $TMPC << EOF
5717 #include <linux/fs.h>
5718 struct fsxattr foo;
5719 int main(void) {
5720   return 0;
5721 }
5722 EOF
5723 if compile_prog "" "" ; then
5724     have_fsxattr=yes
5725 fi
5726
5727 ##########################################
5728 # check for usable membarrier system call
5729 if test "$membarrier" = "yes"; then
5730     have_membarrier=no
5731     if test "$mingw32" = "yes" ; then
5732         have_membarrier=yes
5733     elif test "$linux" = "yes" ; then
5734         cat > $TMPC << EOF
5735     #include <linux/membarrier.h>
5736     #include <sys/syscall.h>
5737     #include <unistd.h>
5738     #include <stdlib.h>
5739     int main(void) {
5740         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5741         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5742         exit(0);
5743     }
5744 EOF
5745         if compile_prog "" "" ; then
5746             have_membarrier=yes
5747         fi
5748     fi
5749     if test "$have_membarrier" = "no"; then
5750       feature_not_found "membarrier" "membarrier system call not available"
5751     fi
5752 else
5753     # Do not enable it by default even for Mingw32, because it doesn't
5754     # work on Wine.
5755     membarrier=no
5756 fi
5757
5758 ##########################################
5759 # check if rtnetlink.h exists and is useful
5760 have_rtnetlink=no
5761 cat > $TMPC << EOF
5762 #include <linux/rtnetlink.h>
5763 int main(void) {
5764   return IFLA_PROTO_DOWN;
5765 }
5766 EOF
5767 if compile_prog "" "" ; then
5768     have_rtnetlink=yes
5769 fi
5770
5771 ##########################################
5772 # check for usable AF_VSOCK environment
5773 have_af_vsock=no
5774 cat > $TMPC << EOF
5775 #include <errno.h>
5776 #include <sys/types.h>
5777 #include <sys/socket.h>
5778 #if !defined(AF_VSOCK)
5779 # error missing AF_VSOCK flag
5780 #endif
5781 #include <linux/vm_sockets.h>
5782 int main(void) {
5783     int sock, ret;
5784     struct sockaddr_vm svm;
5785     socklen_t len = sizeof(svm);
5786     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5787     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5788     if ((ret == -1) && (errno == ENOTCONN)) {
5789         return 0;
5790     }
5791     return -1;
5792 }
5793 EOF
5794 if compile_prog "" "" ; then
5795     have_af_vsock=yes
5796 fi
5797
5798 ##########################################
5799 # check for usable AF_ALG environment
5800 hava_afalg=no
5801 cat > $TMPC << EOF
5802 #include <errno.h>
5803 #include <sys/types.h>
5804 #include <sys/socket.h>
5805 #include <linux/if_alg.h>
5806 int main(void) {
5807     int sock;
5808     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5809     return sock;
5810 }
5811 EOF
5812 if compile_prog "" "" ; then
5813     have_afalg=yes
5814 fi
5815 if test "$crypto_afalg" = "yes"
5816 then
5817     if test "$have_afalg" != "yes"
5818     then
5819         error_exit "AF_ALG requested but could not be detected"
5820     fi
5821 fi
5822
5823
5824 #################################################
5825 # Check to see if we have the Hypervisor framework
5826 if [ "$darwin" = "yes" ] ; then
5827   cat > $TMPC << EOF
5828 #include <Hypervisor/hv.h>
5829 int main() { return 0;}
5830 EOF
5831   if ! compile_object ""; then
5832     hvf='no'
5833   else
5834     hvf='yes'
5835     LDFLAGS="-framework Hypervisor $LDFLAGS"
5836   fi
5837 fi
5838
5839 #################################################
5840 # Sparc implicitly links with --relax, which is
5841 # incompatible with -r, so --no-relax should be
5842 # given. It does no harm to give it on other
5843 # platforms too.
5844
5845 # Note: the prototype is needed since QEMU_CFLAGS
5846 #       contains -Wmissing-prototypes
5847 cat > $TMPC << EOF
5848 extern int foo(void);
5849 int foo(void) { return 0; }
5850 EOF
5851 if ! compile_object ""; then
5852   error_exit "Failed to compile object file for LD_REL_FLAGS test"
5853 fi
5854 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
5855   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
5856     LD_REL_FLAGS=$i
5857     break
5858   fi
5859 done
5860 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
5861   feature_not_found "modules" "Cannot find how to build relocatable objects"
5862 fi
5863
5864 ##########################################
5865 # check for sysmacros.h
5866
5867 have_sysmacros=no
5868 cat > $TMPC << EOF
5869 #include <sys/sysmacros.h>
5870 int main(void) {
5871     return makedev(0, 0);
5872 }
5873 EOF
5874 if compile_prog "" "" ; then
5875     have_sysmacros=yes
5876 fi
5877
5878 ##########################################
5879 # Veritas HyperScale block driver VxHS
5880 # Check if libvxhs is installed
5881
5882 if test "$vxhs" != "no" ; then
5883   cat > $TMPC <<EOF
5884 #include <stdint.h>
5885 #include <qnio/qnio_api.h>
5886
5887 void *vxhs_callback;
5888
5889 int main(void) {
5890     iio_init(QNIO_VERSION, vxhs_callback);
5891     return 0;
5892 }
5893 EOF
5894   vxhs_libs="-lvxhs -lssl"
5895   if compile_prog "" "$vxhs_libs" ; then
5896     vxhs=yes
5897   else
5898     if test "$vxhs" = "yes" ; then
5899       feature_not_found "vxhs block device" "Install libvxhs See github"
5900     fi
5901     vxhs=no
5902   fi
5903 fi
5904
5905 ##########################################
5906 # check for _Static_assert()
5907
5908 have_static_assert=no
5909 cat > $TMPC << EOF
5910 _Static_assert(1, "success");
5911 int main(void) {
5912     return 0;
5913 }
5914 EOF
5915 if compile_prog "" "" ; then
5916     have_static_assert=yes
5917 fi
5918
5919 ##########################################
5920 # check for utmpx.h, it is missing e.g. on OpenBSD
5921
5922 have_utmpx=no
5923 cat > $TMPC << EOF
5924 #include <utmpx.h>
5925 struct utmpx user_info;
5926 int main(void) {
5927     return 0;
5928 }
5929 EOF
5930 if compile_prog "" "" ; then
5931     have_utmpx=yes
5932 fi
5933
5934 ##########################################
5935 # check for getrandom()
5936
5937 have_getrandom=no
5938 cat > $TMPC << EOF
5939 #include <sys/random.h>
5940 int main(void) {
5941     return getrandom(0, 0, GRND_NONBLOCK);
5942 }
5943 EOF
5944 if compile_prog "" "" ; then
5945     have_getrandom=yes
5946 fi
5947
5948 ##########################################
5949 # checks for sanitizers
5950
5951 have_asan=no
5952 have_ubsan=no
5953 have_asan_iface_h=no
5954 have_asan_iface_fiber=no
5955
5956 if test "$sanitizers" = "yes" ; then
5957   write_c_skeleton
5958   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5959       have_asan=yes
5960   fi
5961
5962   # we could use a simple skeleton for flags checks, but this also
5963   # detect the static linking issue of ubsan, see also:
5964   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5965   cat > $TMPC << EOF
5966 #include <stdlib.h>
5967 int main(void) {
5968     void *tmp = malloc(10);
5969     return *(int *)(tmp + 2);
5970 }
5971 EOF
5972   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5973       have_ubsan=yes
5974   fi
5975
5976   if check_include "sanitizer/asan_interface.h" ; then
5977       have_asan_iface_h=yes
5978   fi
5979
5980   cat > $TMPC << EOF
5981 #include <sanitizer/asan_interface.h>
5982 int main(void) {
5983   __sanitizer_start_switch_fiber(0, 0, 0);
5984   return 0;
5985 }
5986 EOF
5987   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5988       have_asan_iface_fiber=yes
5989   fi
5990 fi
5991
5992 ##########################################
5993 # check for libpmem
5994
5995 if test "$libpmem" != "no"; then
5996         if $pkg_config --exists "libpmem"; then
5997                 libpmem="yes"
5998                 libpmem_libs=$($pkg_config --libs libpmem)
5999                 libpmem_cflags=$($pkg_config --cflags libpmem)
6000                 libs_softmmu="$libs_softmmu $libpmem_libs"
6001                 QEMU_CFLAGS="$QEMU_CFLAGS $libpmem_cflags"
6002         else
6003                 if test "$libpmem" = "yes" ; then
6004                         feature_not_found "libpmem" "Install nvml or pmdk"
6005                 fi
6006                 libpmem="no"
6007         fi
6008 fi
6009
6010 ##########################################
6011 # check for slirp
6012
6013 case "$slirp" in
6014   "" | yes)
6015     if $pkg_config slirp; then
6016       slirp=system
6017     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
6018       slirp=git
6019     elif test -e "${source_path}/slirp/Makefile" ; then
6020       slirp=internal
6021     elif test -z "$slirp" ; then
6022       slirp=no
6023     else
6024       feature_not_found "slirp" "Install slirp devel or git submodule"
6025     fi
6026     ;;
6027
6028   system)
6029     if ! $pkg_config slirp; then
6030       feature_not_found "slirp" "Install slirp devel"
6031     fi
6032     ;;
6033 esac
6034
6035 case "$slirp" in
6036   git | internal)
6037     if test "$slirp" = git; then
6038       git_submodules="${git_submodules} slirp"
6039     fi
6040     mkdir -p slirp
6041     slirp_cflags="-I\$(SRC_PATH)/slirp/src -I\$(BUILD_DIR)/slirp/src"
6042     slirp_libs="-L\$(BUILD_DIR)/slirp -lslirp"
6043     if test "$mingw32" = "yes" ; then
6044       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
6045     fi
6046     ;;
6047
6048   system)
6049     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
6050     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
6051     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
6052     ;;
6053
6054   no)
6055     ;;
6056   *)
6057     error_exit "Unknown state for slirp: $slirp"
6058     ;;
6059 esac
6060
6061
6062 ##########################################
6063 # End of CC checks
6064 # After here, no more $cc or $ld runs
6065
6066 write_c_skeleton
6067
6068 if test "$gcov" = "yes" ; then
6069   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
6070   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
6071 elif test "$fortify_source" = "yes" ; then
6072   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
6073 elif test "$debug" = "no"; then
6074   CFLAGS="-O2 $CFLAGS"
6075 fi
6076
6077 if test "$have_asan" = "yes"; then
6078   CFLAGS="-fsanitize=address $CFLAGS"
6079   if test "$have_asan_iface_h" = "no" ; then
6080       echo "ASAN build enabled, but ASAN header missing." \
6081            "Without code annotation, the report may be inferior."
6082   elif test "$have_asan_iface_fiber" = "no" ; then
6083       echo "ASAN build enabled, but ASAN header is too old." \
6084            "Without code annotation, the report may be inferior."
6085   fi
6086 fi
6087 if test "$have_ubsan" = "yes"; then
6088   CFLAGS="-fsanitize=undefined $CFLAGS"
6089 fi
6090
6091 ##########################################
6092 # Do we have libnfs
6093 if test "$libnfs" != "no" ; then
6094   if $pkg_config --atleast-version=1.9.3 libnfs; then
6095     libnfs="yes"
6096     libnfs_libs=$($pkg_config --libs libnfs)
6097   else
6098     if test "$libnfs" = "yes" ; then
6099       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
6100     fi
6101     libnfs="no"
6102   fi
6103 fi
6104
6105 ##########################################
6106 # Do we have libudev
6107 if test "$libudev" != "no" ; then
6108   if $pkg_config libudev && test "$static" != "yes"; then
6109     libudev="yes"
6110     libudev_libs=$($pkg_config --libs libudev)
6111   else
6112     libudev="no"
6113   fi
6114 fi
6115
6116 # Now we've finished running tests it's OK to add -Werror to the compiler flags
6117 if test "$werror" = "yes"; then
6118     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
6119 fi
6120
6121 if test "$solaris" = "no" ; then
6122     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
6123         LDFLAGS="-Wl,--warn-common $LDFLAGS"
6124     fi
6125 fi
6126
6127 # test if pod2man has --utf8 option
6128 if pod2man --help | grep -q utf8; then
6129     POD2MAN="pod2man --utf8"
6130 else
6131     POD2MAN="pod2man"
6132 fi
6133
6134 # Use ASLR, no-SEH and DEP if available
6135 if test "$mingw32" = "yes" ; then
6136     for flag in --dynamicbase --no-seh --nxcompat; do
6137         if ld_has $flag ; then
6138             LDFLAGS="-Wl,$flag $LDFLAGS"
6139         fi
6140     done
6141 fi
6142
6143 # Disable OpenBSD W^X if available
6144 if test "$tcg" = "yes" && test "$targetos" = "OpenBSD"; then
6145     cat > $TMPC <<EOF
6146     int main(void) { return 0; }
6147 EOF
6148     wx_ldflags="-Wl,-z,wxneeded"
6149     if compile_prog "" "$wx_ldflags"; then
6150         QEMU_LDFLAGS="$QEMU_LDFLAGS $wx_ldflags"
6151     fi
6152 fi
6153
6154 qemu_confdir=$sysconfdir$confsuffix
6155 qemu_moddir=$libdir$confsuffix
6156 qemu_datadir=$datadir$confsuffix
6157 qemu_localedir="$datadir/locale"
6158 qemu_icondir="$datadir/icons"
6159 qemu_desktopdir="$datadir/applications"
6160
6161 # We can only support ivshmem if we have eventfd
6162 if [ "$eventfd" = "yes" ]; then
6163   ivshmem=yes
6164 fi
6165
6166 tools=""
6167 if test "$want_tools" = "yes" ; then
6168   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
6169   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
6170     tools="qemu-nbd\$(EXESUF) $tools"
6171   fi
6172   if [ "$ivshmem" = "yes" ]; then
6173     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
6174   fi
6175   if [ "$curl" = "yes" ]; then
6176       tools="elf2dmp\$(EXESUF) $tools"
6177   fi
6178 fi
6179 if test "$softmmu" = yes ; then
6180   if test "$linux" = yes; then
6181     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6182       virtfs=yes
6183       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
6184     else
6185       if test "$virtfs" = yes; then
6186         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6187       fi
6188       virtfs=no
6189     fi
6190     if test "$mpath" != no && test "$mpathpersist" = yes ; then
6191       mpath=yes
6192     else
6193       if test "$mpath" = yes; then
6194         error_exit "Multipath requires libmpathpersist devel"
6195       fi
6196       mpath=no
6197     fi
6198     tools="$tools scsi/qemu-pr-helper\$(EXESUF)"
6199   else
6200     if test "$virtfs" = yes; then
6201       error_exit "VirtFS is supported only on Linux"
6202     fi
6203     virtfs=no
6204     if test "$mpath" = yes; then
6205       error_exit "Multipath is supported only on Linux"
6206     fi
6207     mpath=no
6208   fi
6209   if test "$xkbcommon" = "yes"; then
6210     tools="qemu-keymap\$(EXESUF) $tools"
6211   fi
6212 fi
6213
6214 # Probe for guest agent support/options
6215
6216 if [ "$guest_agent" != "no" ]; then
6217   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6218       guest_agent=no
6219   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6220       tools="qemu-ga\$(EXESUF) $tools"
6221       guest_agent=yes
6222   elif [ "$guest_agent" != yes ]; then
6223       guest_agent=no
6224   else
6225       error_exit "Guest agent is not supported on this platform"
6226   fi
6227 fi
6228
6229 # Guest agent Window MSI  package
6230
6231 if test "$guest_agent" != yes; then
6232   if test "$guest_agent_msi" = yes; then
6233     error_exit "MSI guest agent package requires guest agent enabled"
6234   fi
6235   guest_agent_msi=no
6236 elif test "$mingw32" != "yes"; then
6237   if test "$guest_agent_msi" = "yes"; then
6238     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6239   fi
6240   guest_agent_msi=no
6241 elif ! has wixl; then
6242   if test "$guest_agent_msi" = "yes"; then
6243     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6244   fi
6245   guest_agent_msi=no
6246 else
6247   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6248   # disabled explicitly
6249   if test "$guest_agent_msi" != "no"; then
6250     guest_agent_msi=yes
6251   fi
6252 fi
6253
6254 if test "$guest_agent_msi" = "yes"; then
6255   if test "$guest_agent_with_vss" = "yes"; then
6256     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6257   fi
6258
6259   if test "$QEMU_GA_MANUFACTURER" = ""; then
6260     QEMU_GA_MANUFACTURER=QEMU
6261   fi
6262
6263   if test "$QEMU_GA_DISTRO" = ""; then
6264     QEMU_GA_DISTRO=Linux
6265   fi
6266
6267   if test "$QEMU_GA_VERSION" = ""; then
6268       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6269   fi
6270
6271   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6272
6273   case "$cpu" in
6274   x86_64)
6275     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6276     ;;
6277   i386)
6278     QEMU_GA_MSI_ARCH="-D Arch=32"
6279     ;;
6280   *)
6281     error_exit "CPU $cpu not supported for building installation package"
6282     ;;
6283   esac
6284 fi
6285
6286 # Mac OS X ships with a broken assembler
6287 roms=
6288 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6289         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6290         test "$softmmu" = yes ; then
6291     # Different host OS linkers have different ideas about the name of the ELF
6292     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6293     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6294     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6295         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6296             ld_i386_emulation="$emu"
6297             roms="optionrom"
6298             break
6299         fi
6300     done
6301 fi
6302
6303 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6304 if test "$cpu" = "s390x" ; then
6305   write_c_skeleton
6306   if compile_prog "-march=z900" ""; then
6307     roms="$roms s390-ccw"
6308   fi
6309 fi
6310
6311 # Probe for the need for relocating the user-only binary.
6312 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
6313   textseg_addr=
6314   case "$cpu" in
6315     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
6316       # ??? Rationale for choosing this address
6317       textseg_addr=0x60000000
6318       ;;
6319     mips)
6320       # A 256M aligned address, high in the address space, with enough
6321       # room for the code_gen_buffer above it before the stack.
6322       textseg_addr=0x60000000
6323       ;;
6324   esac
6325   if [ -n "$textseg_addr" ]; then
6326     cat > $TMPC <<EOF
6327     int main(void) { return 0; }
6328 EOF
6329     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
6330     if ! compile_prog "" "$textseg_ldflags"; then
6331       # In case ld does not support -Ttext-segment, edit the default linker
6332       # script via sed to set the .text start addr.  This is needed on FreeBSD
6333       # at least.
6334       if ! $ld --verbose >/dev/null 2>&1; then
6335         error_exit \
6336             "We need to link the QEMU user mode binaries at a" \
6337             "specific text address. Unfortunately your linker" \
6338             "doesn't support either the -Ttext-segment option or" \
6339             "printing the default linker script with --verbose." \
6340             "If you don't want the user mode binaries, pass the" \
6341             "--disable-user option to configure."
6342       fi
6343
6344       $ld --verbose | sed \
6345         -e '1,/==================================================/d' \
6346         -e '/==================================================/,$d' \
6347         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
6348         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
6349       textseg_ldflags="-Wl,-T../config-host.ld"
6350     fi
6351   fi
6352 fi
6353
6354 # Check that the C++ compiler exists and works with the C compiler.
6355 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6356 if has $cxx; then
6357     cat > $TMPC <<EOF
6358 int c_function(void);
6359 int main(void) { return c_function(); }
6360 EOF
6361
6362     compile_object
6363
6364     cat > $TMPCXX <<EOF
6365 extern "C" {
6366    int c_function(void);
6367 }
6368 int c_function(void) { return 42; }
6369 EOF
6370
6371     update_cxxflags
6372
6373     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
6374         # C++ compiler $cxx works ok with C compiler $cc
6375         :
6376     else
6377         echo "C++ compiler $cxx does not work with C compiler $cc"
6378         echo "Disabling C++ specific optional code"
6379         cxx=
6380     fi
6381 else
6382     echo "No C++ compiler available; disabling C++ specific optional code"
6383     cxx=
6384 fi
6385
6386 echo_version() {
6387     if test "$1" = "yes" ; then
6388         echo "($2)"
6389     fi
6390 }
6391
6392 # prepend pixman and ftd flags after all config tests are done
6393 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
6394 QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
6395 libs_softmmu="$pixman_libs $libs_softmmu"
6396
6397 echo "Install prefix    $prefix"
6398 echo "BIOS directory    $(eval echo $qemu_datadir)"
6399 echo "firmware path     $(eval echo $firmwarepath)"
6400 echo "binary directory  $(eval echo $bindir)"
6401 echo "library directory $(eval echo $libdir)"
6402 echo "module directory  $(eval echo $qemu_moddir)"
6403 echo "libexec directory $(eval echo $libexecdir)"
6404 echo "include directory $(eval echo $includedir)"
6405 echo "config directory  $(eval echo $sysconfdir)"
6406 if test "$mingw32" = "no" ; then
6407 echo "local state directory   $(eval echo $local_statedir)"
6408 echo "Manual directory  $(eval echo $mandir)"
6409 echo "ELF interp prefix $interp_prefix"
6410 else
6411 echo "local state directory   queried at runtime"
6412 echo "Windows SDK       $win_sdk"
6413 fi
6414 echo "Build directory   $(pwd)"
6415 echo "Source path       $source_path"
6416 echo "GIT binary        $git"
6417 echo "GIT submodules    $git_submodules"
6418 echo "C compiler        $cc"
6419 echo "Host C compiler   $host_cc"
6420 echo "C++ compiler      $cxx"
6421 echo "Objective-C compiler $objcc"
6422 echo "ARFLAGS           $ARFLAGS"
6423 echo "CFLAGS            $CFLAGS"
6424 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
6425 echo "LDFLAGS           $LDFLAGS"
6426 echo "QEMU_LDFLAGS      $QEMU_LDFLAGS"
6427 echo "make              $make"
6428 echo "install           $install"
6429 echo "python            $python ($python_version)"
6430 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
6431 if test "$slirp" != "no" ; then
6432     echo "smbd              $smbd"
6433 fi
6434 echo "module support    $modules"
6435 echo "host CPU          $cpu"
6436 echo "host big endian   $bigendian"
6437 echo "target list       $target_list"
6438 echo "gprof enabled     $gprof"
6439 echo "sparse enabled    $sparse"
6440 echo "strip binaries    $strip_opt"
6441 echo "profiler          $profiler"
6442 echo "static build      $static"
6443 if test "$darwin" = "yes" ; then
6444     echo "Cocoa support     $cocoa"
6445 fi
6446 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
6447 echo "SDL image support $sdl_image"
6448 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
6449 echo "GTK GL support    $gtk_gl"
6450 echo "VTE support       $vte $(echo_version $vte $vteversion)"
6451 echo "TLS priority      $tls_priority"
6452 echo "GNUTLS support    $gnutls"
6453 echo "libgcrypt         $gcrypt"
6454 if test "$gcrypt" = "yes"
6455 then
6456    echo "  hmac            $gcrypt_hmac"
6457    echo "  XTS             $gcrypt_xts"
6458 fi
6459 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
6460 if test "$nettle" = "yes"
6461 then
6462    echo "  XTS             $nettle_xts"
6463 fi
6464 echo "libtasn1          $tasn1"
6465 echo "PAM               $auth_pam"
6466 echo "iconv support     $iconv"
6467 echo "curses support    $curses"
6468 echo "virgl support     $virglrenderer $(echo_version $virglrenderer $virgl_version)"
6469 echo "curl support      $curl"
6470 echo "mingw32 support   $mingw32"
6471 echo "Audio drivers     $audio_drv_list"
6472 echo "Block whitelist (rw) $block_drv_rw_whitelist"
6473 echo "Block whitelist (ro) $block_drv_ro_whitelist"
6474 echo "VirtFS support    $virtfs"
6475 echo "Multipath support $mpath"
6476 echo "VNC support       $vnc"
6477 if test "$vnc" = "yes" ; then
6478     echo "VNC SASL support  $vnc_sasl"
6479     echo "VNC JPEG support  $vnc_jpeg"
6480     echo "VNC PNG support   $vnc_png"
6481 fi
6482 echo "xen support       $xen"
6483 if test "$xen" = "yes" ; then
6484   echo "xen ctrl version  $xen_ctrl_version"
6485 fi
6486 echo "brlapi support    $brlapi"
6487 echo "Documentation     $docs"
6488 echo "PIE               $pie"
6489 echo "vde support       $vde"
6490 echo "netmap support    $netmap"
6491 echo "Linux AIO support $linux_aio"
6492 echo "ATTR/XATTR support $attr"
6493 echo "Install blobs     $blobs"
6494 echo "KVM support       $kvm"
6495 echo "HAX support       $hax"
6496 echo "HVF support       $hvf"
6497 echo "WHPX support      $whpx"
6498 echo "TCG support       $tcg"
6499 if test "$tcg" = "yes" ; then
6500     echo "TCG debug enabled $debug_tcg"
6501     echo "TCG interpreter   $tcg_interpreter"
6502 fi
6503 echo "malloc trim support $malloc_trim"
6504 echo "RDMA support      $rdma"
6505 echo "PVRDMA support    $pvrdma"
6506 echo "fdt support       $fdt"
6507 echo "membarrier        $membarrier"
6508 echo "preadv support    $preadv"
6509 echo "fdatasync         $fdatasync"
6510 echo "madvise           $madvise"
6511 echo "posix_madvise     $posix_madvise"
6512 echo "posix_memalign    $posix_memalign"
6513 echo "libcap-ng support $cap_ng"
6514 echo "vhost-net support $vhost_net"
6515 echo "vhost-crypto support $vhost_crypto"
6516 echo "vhost-scsi support $vhost_scsi"
6517 echo "vhost-vsock support $vhost_vsock"
6518 echo "vhost-user support $vhost_user"
6519 echo "vhost-user-fs support $vhost_user_fs"
6520 echo "Trace backends    $trace_backends"
6521 if have_backend "simple"; then
6522 echo "Trace output file $trace_file-<pid>"
6523 fi
6524 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
6525 echo "rbd support       $rbd"
6526 echo "xfsctl support    $xfs"
6527 echo "smartcard support $smartcard"
6528 echo "libusb            $libusb"
6529 echo "usb net redir     $usb_redir"
6530 echo "OpenGL support    $opengl"
6531 echo "OpenGL dmabufs    $opengl_dmabuf"
6532 echo "libiscsi support  $libiscsi"
6533 echo "libnfs support    $libnfs"
6534 echo "build guest agent $guest_agent"
6535 echo "QGA VSS support   $guest_agent_with_vss"
6536 echo "QGA w32 disk info $guest_agent_ntddscsi"
6537 echo "QGA MSI support   $guest_agent_msi"
6538 echo "seccomp support   $seccomp"
6539 echo "coroutine backend $coroutine"
6540 echo "coroutine pool    $coroutine_pool"
6541 echo "debug stack usage $debug_stack_usage"
6542 echo "mutex debugging   $debug_mutex"
6543 echo "crypto afalg      $crypto_afalg"
6544 echo "GlusterFS support $glusterfs"
6545 echo "gcov              $gcov_tool"
6546 echo "gcov enabled      $gcov"
6547 echo "TPM support       $tpm"
6548 echo "libssh support    $libssh"
6549 echo "QOM debugging     $qom_cast_debug"
6550 echo "Live block migration $live_block_migration"
6551 echo "lzo support       $lzo"
6552 echo "snappy support    $snappy"
6553 echo "bzip2 support     $bzip2"
6554 echo "lzfse support     $lzfse"
6555 echo "NUMA host support $numa"
6556 echo "libxml2           $libxml2"
6557 echo "tcmalloc support  $tcmalloc"
6558 echo "jemalloc support  $jemalloc"
6559 echo "avx2 optimization $avx2_opt"
6560 echo "replication support $replication"
6561 echo "VxHS block device $vxhs"
6562 echo "bochs support     $bochs"
6563 echo "cloop support     $cloop"
6564 echo "dmg support       $dmg"
6565 echo "qcow v1 support   $qcow1"
6566 echo "vdi support       $vdi"
6567 echo "vvfat support     $vvfat"
6568 echo "qed support       $qed"
6569 echo "parallels support $parallels"
6570 echo "sheepdog support  $sheepdog"
6571 echo "capstone          $capstone"
6572 echo "libpmem support   $libpmem"
6573 echo "libudev           $libudev"
6574 echo "default devices   $default_devices"
6575 echo "plugin support    $plugins"
6576
6577 if test "$supported_cpu" = "no"; then
6578     echo
6579     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
6580     echo
6581     echo "CPU host architecture $cpu support is not currently maintained."
6582     echo "The QEMU project intends to remove support for this host CPU in"
6583     echo "a future release if nobody volunteers to maintain it and to"
6584     echo "provide a build host for our continuous integration setup."
6585     echo "configure has succeeded and you can continue to build, but"
6586     echo "if you care about QEMU on this platform you should contact"
6587     echo "us upstream at qemu-devel@nongnu.org."
6588 fi
6589
6590 if test "$supported_os" = "no"; then
6591     echo
6592     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
6593     echo
6594     echo "Host OS $targetos support is not currently maintained."
6595     echo "The QEMU project intends to remove support for this host OS in"
6596     echo "a future release if nobody volunteers to maintain it and to"
6597     echo "provide a build host for our continuous integration setup."
6598     echo "configure has succeeded and you can continue to build, but"
6599     echo "if you care about QEMU on this platform you should contact"
6600     echo "us upstream at qemu-devel@nongnu.org."
6601 fi
6602
6603 config_host_mak="config-host.mak"
6604
6605 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
6606
6607 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6608 echo >> $config_host_mak
6609
6610 echo all: >> $config_host_mak
6611 echo "prefix=$prefix" >> $config_host_mak
6612 echo "bindir=$bindir" >> $config_host_mak
6613 echo "libdir=$libdir" >> $config_host_mak
6614 echo "libexecdir=$libexecdir" >> $config_host_mak
6615 echo "includedir=$includedir" >> $config_host_mak
6616 echo "mandir=$mandir" >> $config_host_mak
6617 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6618 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6619 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6620 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6621 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
6622 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6623 if test "$mingw32" = "no" ; then
6624   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6625 fi
6626 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6627 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6628 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6629 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6630 echo "libs_cpu=$libs_cpu" >> $config_host_mak
6631 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
6632 echo "GIT=$git" >> $config_host_mak
6633 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6634 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6635
6636 echo "ARCH=$ARCH" >> $config_host_mak
6637
6638 if test "$default_devices" = "yes" ; then
6639   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6640 else
6641   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6642 fi
6643 if test "$debug_tcg" = "yes" ; then
6644   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6645 fi
6646 if test "$strip_opt" = "yes" ; then
6647   echo "STRIP=${strip}" >> $config_host_mak
6648 fi
6649 if test "$bigendian" = "yes" ; then
6650   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6651 fi
6652 if test "$mingw32" = "yes" ; then
6653   echo "CONFIG_WIN32=y" >> $config_host_mak
6654   rc_version=$(cat $source_path/VERSION)
6655   version_major=${rc_version%%.*}
6656   rc_version=${rc_version#*.}
6657   version_minor=${rc_version%%.*}
6658   rc_version=${rc_version#*.}
6659   version_subminor=${rc_version%%.*}
6660   version_micro=0
6661   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6662   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6663   if test "$guest_agent_with_vss" = "yes" ; then
6664     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6665     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6666     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6667   fi
6668   if test "$guest_agent_ntddscsi" = "yes" ; then
6669     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6670   fi
6671   if test "$guest_agent_msi" = "yes"; then
6672     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
6673     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6674     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6675     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6676     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6677     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6678     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6679   fi
6680 else
6681   echo "CONFIG_POSIX=y" >> $config_host_mak
6682 fi
6683
6684 if test "$linux" = "yes" ; then
6685   echo "CONFIG_LINUX=y" >> $config_host_mak
6686 fi
6687
6688 if test "$darwin" = "yes" ; then
6689   echo "CONFIG_DARWIN=y" >> $config_host_mak
6690 fi
6691
6692 if test "$solaris" = "yes" ; then
6693   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6694 fi
6695 if test "$haiku" = "yes" ; then
6696   echo "CONFIG_HAIKU=y" >> $config_host_mak
6697 fi
6698 if test "$static" = "yes" ; then
6699   echo "CONFIG_STATIC=y" >> $config_host_mak
6700 fi
6701 if test "$profiler" = "yes" ; then
6702   echo "CONFIG_PROFILER=y" >> $config_host_mak
6703 fi
6704 if test "$want_tools" = "yes" ; then
6705   echo "CONFIG_TOOLS=y" >> $config_host_mak
6706 fi
6707 if test "$slirp" != "no"; then
6708   echo "CONFIG_SLIRP=y" >> $config_host_mak
6709   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6710   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6711   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6712 fi
6713 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6714     echo "config-host.h: slirp/all" >> $config_host_mak
6715 fi
6716 if test "$vde" = "yes" ; then
6717   echo "CONFIG_VDE=y" >> $config_host_mak
6718   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6719 fi
6720 if test "$netmap" = "yes" ; then
6721   echo "CONFIG_NETMAP=y" >> $config_host_mak
6722 fi
6723 if test "$l2tpv3" = "yes" ; then
6724   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6725 fi
6726 if test "$cap_ng" = "yes" ; then
6727   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6728 fi
6729 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6730 for drv in $audio_drv_list; do
6731     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6732     case "$drv" in
6733         alsa | oss | pa | sdl)
6734             echo "$def=m" >> $config_host_mak ;;
6735         *)
6736             echo "$def=y" >> $config_host_mak ;;
6737     esac
6738 done
6739 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6740 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6741 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6742 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6743 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6744 if test "$audio_win_int" = "yes" ; then
6745   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6746 fi
6747 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6748 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6749 if test "$vnc" = "yes" ; then
6750   echo "CONFIG_VNC=y" >> $config_host_mak
6751 fi
6752 if test "$vnc_sasl" = "yes" ; then
6753   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
6754 fi
6755 if test "$vnc_jpeg" = "yes" ; then
6756   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
6757 fi
6758 if test "$vnc_png" = "yes" ; then
6759   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
6760 fi
6761 if test "$xkbcommon" = "yes" ; then
6762   echo "XKBCOMMON_CFLAGS=$xkbcommon_cflags" >> $config_host_mak
6763   echo "XKBCOMMON_LIBS=$xkbcommon_libs" >> $config_host_mak
6764 fi
6765 if test "$xfs" = "yes" ; then
6766   echo "CONFIG_XFS=y" >> $config_host_mak
6767 fi
6768 qemu_version=$(head $source_path/VERSION)
6769 echo "VERSION=$qemu_version" >>$config_host_mak
6770 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6771 echo "SRC_PATH=$source_path" >> $config_host_mak
6772 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6773 if [ "$docs" = "yes" ] ; then
6774   echo "BUILD_DOCS=yes" >> $config_host_mak
6775 fi
6776 if test "$modules" = "yes"; then
6777   # $shacmd can generate a hash started with digit, which the compiler doesn't
6778   # like as an symbol. So prefix it with an underscore
6779   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6780   echo "CONFIG_MODULES=y" >> $config_host_mak
6781 fi
6782 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6783   echo "CONFIG_X11=y" >> $config_host_mak
6784   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6785   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6786 fi
6787 if test "$sdl" = "yes" ; then
6788   echo "CONFIG_SDL=m" >> $config_host_mak
6789   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
6790   echo "SDL_LIBS=$sdl_libs" >> $config_host_mak
6791   if test "$sdl_image" = "yes" ; then
6792       echo "CONFIG_SDL_IMAGE=y" >> $config_host_mak
6793   fi
6794 fi
6795 if test "$cocoa" = "yes" ; then
6796   echo "CONFIG_COCOA=y" >> $config_host_mak
6797 fi
6798 if test "$iconv" = "yes" ; then
6799   echo "CONFIG_ICONV=y" >> $config_host_mak
6800   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6801   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6802 fi
6803 if test "$curses" = "yes" ; then
6804   echo "CONFIG_CURSES=m" >> $config_host_mak
6805   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6806   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6807 fi
6808 if test "$pipe2" = "yes" ; then
6809   echo "CONFIG_PIPE2=y" >> $config_host_mak
6810 fi
6811 if test "$accept4" = "yes" ; then
6812   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6813 fi
6814 if test "$splice" = "yes" ; then
6815   echo "CONFIG_SPLICE=y" >> $config_host_mak
6816 fi
6817 if test "$eventfd" = "yes" ; then
6818   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6819 fi
6820 if test "$memfd" = "yes" ; then
6821   echo "CONFIG_MEMFD=y" >> $config_host_mak
6822 fi
6823 if test "$have_usbfs" = "yes" ; then
6824   echo "CONFIG_USBFS=y" >> $config_host_mak
6825 fi
6826 if test "$fallocate" = "yes" ; then
6827   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6828 fi
6829 if test "$fallocate_punch_hole" = "yes" ; then
6830   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6831 fi
6832 if test "$fallocate_zero_range" = "yes" ; then
6833   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6834 fi
6835 if test "$posix_fallocate" = "yes" ; then
6836   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6837 fi
6838 if test "$sync_file_range" = "yes" ; then
6839   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6840 fi
6841 if test "$fiemap" = "yes" ; then
6842   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6843 fi
6844 if test "$dup3" = "yes" ; then
6845   echo "CONFIG_DUP3=y" >> $config_host_mak
6846 fi
6847 if test "$ppoll" = "yes" ; then
6848   echo "CONFIG_PPOLL=y" >> $config_host_mak
6849 fi
6850 if test "$prctl_pr_set_timerslack" = "yes" ; then
6851   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6852 fi
6853 if test "$epoll" = "yes" ; then
6854   echo "CONFIG_EPOLL=y" >> $config_host_mak
6855 fi
6856 if test "$epoll_create1" = "yes" ; then
6857   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6858 fi
6859 if test "$sendfile" = "yes" ; then
6860   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6861 fi
6862 if test "$timerfd" = "yes" ; then
6863   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6864 fi
6865 if test "$setns" = "yes" ; then
6866   echo "CONFIG_SETNS=y" >> $config_host_mak
6867 fi
6868 if test "$clock_adjtime" = "yes" ; then
6869   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6870 fi
6871 if test "$syncfs" = "yes" ; then
6872   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6873 fi
6874 if test "$inotify" = "yes" ; then
6875   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6876 fi
6877 if test "$inotify1" = "yes" ; then
6878   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6879 fi
6880 if test "$sem_timedwait" = "yes" ; then
6881   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6882 fi
6883 if test "$strchrnul" = "yes" ; then
6884   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6885 fi
6886 if test "$byteswap_h" = "yes" ; then
6887   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6888 fi
6889 if test "$bswap_h" = "yes" ; then
6890   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6891 fi
6892 if test "$curl" = "yes" ; then
6893   echo "CONFIG_CURL=m" >> $config_host_mak
6894   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6895   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6896 fi
6897 if test "$brlapi" = "yes" ; then
6898   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6899   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6900 fi
6901 if test "$gtk" = "yes" ; then
6902   echo "CONFIG_GTK=m" >> $config_host_mak
6903   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6904   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6905   if test "$gtk_gl" = "yes" ; then
6906     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6907   fi
6908 fi
6909 if test "$gio" = "yes" ; then
6910     echo "CONFIG_GIO=y" >> $config_host_mak
6911     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6912     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6913     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6914 fi
6915 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6916 if test "$gnutls" = "yes" ; then
6917   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6918 fi
6919 if test "$gcrypt" = "yes" ; then
6920   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6921   if test "$gcrypt_hmac" = "yes" ; then
6922     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6923   fi
6924 fi
6925 if test "$nettle" = "yes" ; then
6926   echo "CONFIG_NETTLE=y" >> $config_host_mak
6927   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6928 fi
6929 if test "$qemu_private_xts" = "yes" ; then
6930   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6931 fi
6932 if test "$tasn1" = "yes" ; then
6933   echo "CONFIG_TASN1=y" >> $config_host_mak
6934 fi
6935 if test "$auth_pam" = "yes" ; then
6936     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6937 fi
6938 if test "$have_ifaddrs_h" = "yes" ; then
6939     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6940 fi
6941 if test "$have_broken_size_max" = "yes" ; then
6942     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6943 fi
6944
6945 # Work around a system header bug with some kernel/XFS header
6946 # versions where they both try to define 'struct fsxattr':
6947 # xfs headers will not try to redefine structs from linux headers
6948 # if this macro is set.
6949 if test "$have_fsxattr" = "yes" ; then
6950     echo "HAVE_FSXATTR=y" >> $config_host_mak
6951 fi
6952 if test "$have_copy_file_range" = "yes" ; then
6953     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6954 fi
6955 if test "$vte" = "yes" ; then
6956   echo "CONFIG_VTE=y" >> $config_host_mak
6957   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6958   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6959 fi
6960 if test "$virglrenderer" = "yes" ; then
6961   echo "CONFIG_VIRGL=y" >> $config_host_mak
6962   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6963   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6964 fi
6965 if test "$xen" = "yes" ; then
6966   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6967   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6968 fi
6969 if test "$linux_aio" = "yes" ; then
6970   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6971 fi
6972 if test "$attr" = "yes" ; then
6973   echo "CONFIG_ATTR=y" >> $config_host_mak
6974 fi
6975 if test "$libattr" = "yes" ; then
6976   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6977 fi
6978 if test "$virtfs" = "yes" ; then
6979   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6980 fi
6981 if test "$mpath" = "yes" ; then
6982   echo "CONFIG_MPATH=y" >> $config_host_mak
6983   if test "$mpathpersist_new_api" = "yes"; then
6984     echo "CONFIG_MPATH_NEW_API=y" >> $config_host_mak
6985   fi
6986 fi
6987 if test "$vhost_scsi" = "yes" ; then
6988   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6989 fi
6990 if test "$vhost_net" = "yes" ; then
6991   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6992 fi
6993 if test "$vhost_net_user" = "yes" ; then
6994   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6995 fi
6996 if test "$vhost_crypto" = "yes" ; then
6997   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6998 fi
6999 if test "$vhost_vsock" = "yes" ; then
7000   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
7001 fi
7002 if test "$vhost_kernel" = "yes" ; then
7003   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
7004 fi
7005 if test "$vhost_user" = "yes" ; then
7006   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
7007 fi
7008 if test "$vhost_user_fs" = "yes" ; then
7009   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
7010 fi
7011 if test "$blobs" = "yes" ; then
7012   echo "INSTALL_BLOBS=yes" >> $config_host_mak
7013 fi
7014 if test "$iovec" = "yes" ; then
7015   echo "CONFIG_IOVEC=y" >> $config_host_mak
7016 fi
7017 if test "$preadv" = "yes" ; then
7018   echo "CONFIG_PREADV=y" >> $config_host_mak
7019 fi
7020 if test "$fdt" != "no" ; then
7021   echo "CONFIG_FDT=y" >> $config_host_mak
7022 fi
7023 if test "$membarrier" = "yes" ; then
7024   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
7025 fi
7026 if test "$signalfd" = "yes" ; then
7027   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
7028 fi
7029 if test "$optreset" = "yes" ; then
7030   echo "HAVE_OPTRESET=y" >> $config_host_mak
7031 fi
7032 if test "$tcg" = "yes"; then
7033   echo "CONFIG_TCG=y" >> $config_host_mak
7034   if test "$tcg_interpreter" = "yes" ; then
7035     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
7036   fi
7037 fi
7038 if test "$fdatasync" = "yes" ; then
7039   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
7040 fi
7041 if test "$madvise" = "yes" ; then
7042   echo "CONFIG_MADVISE=y" >> $config_host_mak
7043 fi
7044 if test "$posix_madvise" = "yes" ; then
7045   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
7046 fi
7047 if test "$posix_memalign" = "yes" ; then
7048   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
7049 fi
7050
7051 if test "$spice" = "yes" ; then
7052   echo "CONFIG_SPICE=y" >> $config_host_mak
7053 fi
7054
7055 if test "$smartcard" = "yes" ; then
7056   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
7057   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
7058   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
7059 fi
7060
7061 if test "$libusb" = "yes" ; then
7062   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
7063   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
7064   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
7065 fi
7066
7067 if test "$usb_redir" = "yes" ; then
7068   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
7069   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
7070   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
7071 fi
7072
7073 if test "$opengl" = "yes" ; then
7074   echo "CONFIG_OPENGL=y" >> $config_host_mak
7075   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
7076   if test "$opengl_dmabuf" = "yes" ; then
7077     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
7078   fi
7079 fi
7080
7081 if test "$gbm" = "yes" ; then
7082     echo "CONFIG_GBM=y" >> $config_host_mak
7083     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
7084     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
7085 fi
7086
7087
7088 if test "$malloc_trim" = "yes" ; then
7089   echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak
7090 fi
7091
7092 if test "$avx2_opt" = "yes" ; then
7093   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
7094 fi
7095
7096 if test "$lzo" = "yes" ; then
7097   echo "CONFIG_LZO=y" >> $config_host_mak
7098 fi
7099
7100 if test "$snappy" = "yes" ; then
7101   echo "CONFIG_SNAPPY=y" >> $config_host_mak
7102 fi
7103
7104 if test "$bzip2" = "yes" ; then
7105   echo "CONFIG_BZIP2=y" >> $config_host_mak
7106   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
7107 fi
7108
7109 if test "$lzfse" = "yes" ; then
7110   echo "CONFIG_LZFSE=y" >> $config_host_mak
7111   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
7112 fi
7113
7114 if test "$libiscsi" = "yes" ; then
7115   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
7116   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
7117   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
7118 fi
7119
7120 if test "$libnfs" = "yes" ; then
7121   echo "CONFIG_LIBNFS=m" >> $config_host_mak
7122   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
7123 fi
7124
7125 if test "$seccomp" = "yes"; then
7126   echo "CONFIG_SECCOMP=y" >> $config_host_mak
7127   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
7128   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
7129 fi
7130
7131 # XXX: suppress that
7132 if [ "$bsd" = "yes" ] ; then
7133   echo "CONFIG_BSD=y" >> $config_host_mak
7134 fi
7135
7136 if test "$localtime_r" = "yes" ; then
7137   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
7138 fi
7139 if test "$qom_cast_debug" = "yes" ; then
7140   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
7141 fi
7142 if test "$rbd" = "yes" ; then
7143   echo "CONFIG_RBD=m" >> $config_host_mak
7144   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
7145   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
7146 fi
7147
7148 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7149 if test "$coroutine_pool" = "yes" ; then
7150   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
7151 else
7152   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
7153 fi
7154
7155 if test "$debug_stack_usage" = "yes" ; then
7156   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
7157 fi
7158
7159 if test "$crypto_afalg" = "yes" ; then
7160   echo "CONFIG_AF_ALG=y" >> $config_host_mak
7161 fi
7162
7163 if test "$open_by_handle_at" = "yes" ; then
7164   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
7165 fi
7166
7167 if test "$linux_magic_h" = "yes" ; then
7168   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
7169 fi
7170
7171 if test "$pragma_diagnostic_available" = "yes" ; then
7172   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
7173 fi
7174
7175 if test "$valgrind_h" = "yes" ; then
7176   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
7177 fi
7178
7179 if test "$have_asan_iface_fiber" = "yes" ; then
7180     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
7181 fi
7182
7183 if test "$has_environ" = "yes" ; then
7184   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
7185 fi
7186
7187 if test "$cpuid_h" = "yes" ; then
7188   echo "CONFIG_CPUID_H=y" >> $config_host_mak
7189 fi
7190
7191 if test "$int128" = "yes" ; then
7192   echo "CONFIG_INT128=y" >> $config_host_mak
7193 fi
7194
7195 if test "$atomic128" = "yes" ; then
7196   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
7197 fi
7198
7199 if test "$cmpxchg128" = "yes" ; then
7200   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
7201 fi
7202
7203 if test "$atomic64" = "yes" ; then
7204   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
7205 fi
7206
7207 if test "$vector16" = "yes" ; then
7208   echo "CONFIG_VECTOR16=y" >> $config_host_mak
7209 fi
7210
7211 if test "$attralias" = "yes" ; then
7212   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
7213 fi
7214
7215 if test "$getauxval" = "yes" ; then
7216   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
7217 fi
7218
7219 if test "$glusterfs" = "yes" ; then
7220   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
7221   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
7222   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
7223 fi
7224
7225 if test "$glusterfs_xlator_opt" = "yes" ; then
7226   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
7227 fi
7228
7229 if test "$glusterfs_discard" = "yes" ; then
7230   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
7231 fi
7232
7233 if test "$glusterfs_fallocate" = "yes" ; then
7234   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
7235 fi
7236
7237 if test "$glusterfs_zerofill" = "yes" ; then
7238   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
7239 fi
7240
7241 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
7242   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
7243 fi
7244
7245 if test "$glusterfs_iocb_has_stat" = "yes" ; then
7246   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
7247 fi
7248
7249 if test "$libssh" = "yes" ; then
7250   echo "CONFIG_LIBSSH=m" >> $config_host_mak
7251   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
7252   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
7253 fi
7254
7255 if test "$live_block_migration" = "yes" ; then
7256   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
7257 fi
7258
7259 if test "$tpm" = "yes"; then
7260   echo 'CONFIG_TPM=y' >> $config_host_mak
7261 fi
7262
7263 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
7264 if have_backend "nop"; then
7265   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
7266 fi
7267 if have_backend "simple"; then
7268   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
7269   # Set the appropriate trace file.
7270   trace_file="\"$trace_file-\" FMT_pid"
7271 fi
7272 if have_backend "log"; then
7273   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
7274 fi
7275 if have_backend "ust"; then
7276   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
7277 fi
7278 if have_backend "dtrace"; then
7279   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
7280   if test "$trace_backend_stap" = "yes" ; then
7281     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
7282   fi
7283 fi
7284 if have_backend "ftrace"; then
7285   if test "$linux" = "yes" ; then
7286     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
7287   else
7288     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
7289   fi
7290 fi
7291 if have_backend "syslog"; then
7292   if test "$posix_syslog" = "yes" ; then
7293     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
7294   else
7295     feature_not_found "syslog(trace backend)" "syslog not available"
7296   fi
7297 fi
7298 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
7299
7300 if test "$rdma" = "yes" ; then
7301   echo "CONFIG_RDMA=y" >> $config_host_mak
7302   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
7303 fi
7304
7305 if test "$pvrdma" = "yes" ; then
7306   echo "CONFIG_PVRDMA=y" >> $config_host_mak
7307 fi
7308
7309 if test "$have_rtnetlink" = "yes" ; then
7310   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
7311 fi
7312
7313 if test "$libxml2" = "yes" ; then
7314   echo "CONFIG_LIBXML2=y" >> $config_host_mak
7315   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
7316   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
7317 fi
7318
7319 if test "$replication" = "yes" ; then
7320   echo "CONFIG_REPLICATION=y" >> $config_host_mak
7321 fi
7322
7323 if test "$have_af_vsock" = "yes" ; then
7324   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
7325 fi
7326
7327 if test "$have_sysmacros" = "yes" ; then
7328   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
7329 fi
7330
7331 if test "$have_static_assert" = "yes" ; then
7332   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
7333 fi
7334
7335 if test "$have_utmpx" = "yes" ; then
7336   echo "HAVE_UTMPX=y" >> $config_host_mak
7337 fi
7338 if test "$have_getrandom" = "yes" ; then
7339   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
7340 fi
7341 if test "$ivshmem" = "yes" ; then
7342   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
7343 fi
7344 if test "$capstone" != "no" ; then
7345   echo "CONFIG_CAPSTONE=y" >> $config_host_mak
7346 fi
7347 if test "$debug_mutex" = "yes" ; then
7348   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
7349 fi
7350
7351 # Hold two types of flag:
7352 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
7353 #                                     a thread we have a handle to
7354 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
7355 #                                     platform
7356 if test "$pthread_setname_np_w_tid" = "yes" ; then
7357   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7358   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
7359 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
7360   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
7361   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
7362 fi
7363
7364 if test "$vxhs" = "yes" ; then
7365   echo "CONFIG_VXHS=y" >> $config_host_mak
7366   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
7367 fi
7368
7369 if test "$libpmem" = "yes" ; then
7370   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
7371 fi
7372
7373 if test "$bochs" = "yes" ; then
7374   echo "CONFIG_BOCHS=y" >> $config_host_mak
7375 fi
7376 if test "$cloop" = "yes" ; then
7377   echo "CONFIG_CLOOP=y" >> $config_host_mak
7378 fi
7379 if test "$dmg" = "yes" ; then
7380   echo "CONFIG_DMG=y" >> $config_host_mak
7381 fi
7382 if test "$qcow1" = "yes" ; then
7383   echo "CONFIG_QCOW1=y" >> $config_host_mak
7384 fi
7385 if test "$vdi" = "yes" ; then
7386   echo "CONFIG_VDI=y" >> $config_host_mak
7387 fi
7388 if test "$vvfat" = "yes" ; then
7389   echo "CONFIG_VVFAT=y" >> $config_host_mak
7390 fi
7391 if test "$qed" = "yes" ; then
7392   echo "CONFIG_QED=y" >> $config_host_mak
7393 fi
7394 if test "$parallels" = "yes" ; then
7395   echo "CONFIG_PARALLELS=y" >> $config_host_mak
7396 fi
7397 if test "$sheepdog" = "yes" ; then
7398   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
7399 fi
7400
7401 if test "$plugins" = "yes" ; then
7402     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7403     LIBS="-ldl $LIBS"
7404     # Copy the export object list to the build dir
7405     if test "$ld_dynamic_list" = "yes" ; then
7406         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7407         ld_symbols=qemu-plugins-ld.symbols
7408         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7409     elif test "$ld_exported_symbols_list" = "yes" ; then
7410         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7411         ld64_symbols=qemu-plugins-ld64.symbols
7412         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7413         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7414             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7415     else
7416         error_exit \
7417             "If \$plugins=yes, either \$ld_dynamic_list or " \
7418             "\$ld_exported_symbols_list should have been set to 'yes'."
7419     fi
7420 fi
7421
7422 if test "$tcg_interpreter" = "yes"; then
7423   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
7424 elif test "$ARCH" = "sparc64" ; then
7425   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
7426 elif test "$ARCH" = "s390x" ; then
7427   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
7428 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7429   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
7430 elif test "$ARCH" = "ppc64" ; then
7431   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
7432 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7433   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/riscv $QEMU_INCLUDES"
7434 else
7435   QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
7436 fi
7437 QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg $QEMU_INCLUDES"
7438
7439 echo "TOOLS=$tools" >> $config_host_mak
7440 echo "ROMS=$roms" >> $config_host_mak
7441 echo "MAKE=$make" >> $config_host_mak
7442 echo "INSTALL=$install" >> $config_host_mak
7443 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
7444 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
7445 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
7446 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
7447 echo "PYTHON=$python" >> $config_host_mak
7448 echo "CC=$cc" >> $config_host_mak
7449 if $iasl -h > /dev/null 2>&1; then
7450   echo "IASL=$iasl" >> $config_host_mak
7451 fi
7452 echo "HOST_CC=$host_cc" >> $config_host_mak
7453 echo "CXX=$cxx" >> $config_host_mak
7454 echo "OBJCC=$objcc" >> $config_host_mak
7455 echo "AR=$ar" >> $config_host_mak
7456 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7457 echo "AS=$as" >> $config_host_mak
7458 echo "CCAS=$ccas" >> $config_host_mak
7459 echo "CPP=$cpp" >> $config_host_mak
7460 echo "OBJCOPY=$objcopy" >> $config_host_mak
7461 echo "LD=$ld" >> $config_host_mak
7462 echo "RANLIB=$ranlib" >> $config_host_mak
7463 echo "NM=$nm" >> $config_host_mak
7464 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7465 echo "WINDRES=$windres" >> $config_host_mak
7466 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7467 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7468 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7469 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7470 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7471 if test "$sparse" = "yes" ; then
7472   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
7473   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
7474   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
7475   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
7476   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
7477 fi
7478 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
7479 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7480 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7481 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
7482 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7483 echo "LIBS+=$LIBS" >> $config_host_mak
7484 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
7485 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7486 echo "EXESUF=$EXESUF" >> $config_host_mak
7487 echo "DSOSUF=$DSOSUF" >> $config_host_mak
7488 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
7489 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
7490 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7491 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7492 echo "POD2MAN=$POD2MAN" >> $config_host_mak
7493 if test "$gcov" = "yes" ; then
7494   echo "CONFIG_GCOV=y" >> $config_host_mak
7495   echo "GCOV=$gcov_tool" >> $config_host_mak
7496 fi
7497
7498 if test "$libudev" != "no"; then
7499     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
7500     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
7501 fi
7502
7503 if test "$edk2_blobs" = "yes" ; then
7504   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7505 fi
7506
7507 # use included Linux headers
7508 if test "$linux" = "yes" ; then
7509   mkdir -p linux-headers
7510   case "$cpu" in
7511   i386|x86_64|x32)
7512     linux_arch=x86
7513     ;;
7514   ppc|ppc64|ppc64le)
7515     linux_arch=powerpc
7516     ;;
7517   s390x)
7518     linux_arch=s390
7519     ;;
7520   aarch64)
7521     linux_arch=arm64
7522     ;;
7523   mips64)
7524     linux_arch=mips
7525     ;;
7526   *)
7527     # For most CPUs the kernel architecture name and QEMU CPU name match.
7528     linux_arch="$cpu"
7529     ;;
7530   esac
7531     # For non-KVM architectures we will not have asm headers
7532     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7533       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7534     fi
7535 fi
7536
7537 for target in $target_list; do
7538 target_dir="$target"
7539 config_target_mak=$target_dir/config-target.mak
7540 target_name=$(echo $target | cut -d '-' -f 1)
7541 target_aligned_only="no"
7542 case "$target_name" in
7543   alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
7544   target_aligned_only="yes"
7545   ;;
7546 esac
7547 target_bigendian="no"
7548 case "$target_name" in
7549   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
7550   target_bigendian="yes"
7551   ;;
7552 esac
7553 target_softmmu="no"
7554 target_user_only="no"
7555 target_linux_user="no"
7556 target_bsd_user="no"
7557 case "$target" in
7558   ${target_name}-softmmu)
7559     target_softmmu="yes"
7560     ;;
7561   ${target_name}-linux-user)
7562     target_user_only="yes"
7563     target_linux_user="yes"
7564     ;;
7565   ${target_name}-bsd-user)
7566     target_user_only="yes"
7567     target_bsd_user="yes"
7568     ;;
7569   *)
7570     error_exit "Target '$target' not recognised"
7571     exit 1
7572     ;;
7573 esac
7574
7575 mkdir -p $target_dir
7576 echo "# Automatically generated by configure - do not modify" > $config_target_mak
7577
7578 bflt="no"
7579 mttcg="no"
7580 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
7581 gdb_xml_files=""
7582
7583 TARGET_ARCH="$target_name"
7584 TARGET_BASE_ARCH=""
7585 TARGET_ABI_DIR=""
7586
7587 case "$target_name" in
7588   i386)
7589     mttcg="yes"
7590         gdb_xml_files="i386-32bit.xml"
7591   ;;
7592   x86_64)
7593     TARGET_BASE_ARCH=i386
7594     mttcg="yes"
7595         gdb_xml_files="i386-64bit.xml"
7596   ;;
7597   alpha)
7598     mttcg="yes"
7599   ;;
7600   arm|armeb)
7601     TARGET_ARCH=arm
7602     bflt="yes"
7603     mttcg="yes"
7604     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7605   ;;
7606   aarch64|aarch64_be)
7607     TARGET_ARCH=aarch64
7608     TARGET_BASE_ARCH=arm
7609     bflt="yes"
7610     mttcg="yes"
7611     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
7612   ;;
7613   cris)
7614   ;;
7615   hppa)
7616     mttcg="yes"
7617   ;;
7618   lm32)
7619   ;;
7620   m68k)
7621     bflt="yes"
7622     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
7623   ;;
7624   microblaze|microblazeel)
7625     TARGET_ARCH=microblaze
7626     bflt="yes"
7627     echo "TARGET_ABI32=y" >> $config_target_mak
7628   ;;
7629   mips|mipsel)
7630     mttcg="yes"
7631     TARGET_ARCH=mips
7632     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
7633   ;;
7634   mipsn32|mipsn32el)
7635     mttcg="yes"
7636     TARGET_ARCH=mips64
7637     TARGET_BASE_ARCH=mips
7638     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
7639     echo "TARGET_ABI32=y" >> $config_target_mak
7640   ;;
7641   mips64|mips64el)
7642     mttcg="yes"
7643     TARGET_ARCH=mips64
7644     TARGET_BASE_ARCH=mips
7645     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
7646   ;;
7647   moxie)
7648   ;;
7649   nios2)
7650   ;;
7651   or1k)
7652     TARGET_ARCH=openrisc
7653     TARGET_BASE_ARCH=openrisc
7654   ;;
7655   ppc)
7656     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
7657   ;;
7658   ppc64)
7659     TARGET_BASE_ARCH=ppc
7660     TARGET_ABI_DIR=ppc
7661     mttcg=yes
7662     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7663   ;;
7664   ppc64le)
7665     TARGET_ARCH=ppc64
7666     TARGET_BASE_ARCH=ppc
7667     TARGET_ABI_DIR=ppc
7668     mttcg=yes
7669     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7670   ;;
7671   ppc64abi32)
7672     TARGET_ARCH=ppc64
7673     TARGET_BASE_ARCH=ppc
7674     TARGET_ABI_DIR=ppc
7675     echo "TARGET_ABI32=y" >> $config_target_mak
7676     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
7677   ;;
7678   riscv32)
7679     TARGET_BASE_ARCH=riscv
7680     TARGET_ABI_DIR=riscv
7681     mttcg=yes
7682     gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
7683   ;;
7684   riscv64)
7685     TARGET_BASE_ARCH=riscv
7686     TARGET_ABI_DIR=riscv
7687     mttcg=yes
7688     gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
7689   ;;
7690   sh4|sh4eb)
7691     TARGET_ARCH=sh4
7692     bflt="yes"
7693   ;;
7694   sparc)
7695   ;;
7696   sparc64)
7697     TARGET_BASE_ARCH=sparc
7698   ;;
7699   sparc32plus)
7700     TARGET_ARCH=sparc64
7701     TARGET_BASE_ARCH=sparc
7702     TARGET_ABI_DIR=sparc
7703     echo "TARGET_ABI32=y" >> $config_target_mak
7704   ;;
7705   s390x)
7706     mttcg=yes
7707     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
7708   ;;
7709   tilegx)
7710   ;;
7711   tricore)
7712   ;;
7713   unicore32)
7714   ;;
7715   xtensa|xtensaeb)
7716     TARGET_ARCH=xtensa
7717     bflt="yes"
7718     mttcg="yes"
7719   ;;
7720   *)
7721     error_exit "Unsupported target CPU"
7722   ;;
7723 esac
7724 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
7725 if [ "$TARGET_BASE_ARCH" = "" ]; then
7726   TARGET_BASE_ARCH=$TARGET_ARCH
7727 fi
7728
7729 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
7730
7731 upper() {
7732     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
7733 }
7734
7735 target_arch_name="$(upper $TARGET_ARCH)"
7736 echo "TARGET_$target_arch_name=y" >> $config_target_mak
7737 echo "TARGET_NAME=$target_name" >> $config_target_mak
7738 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
7739 if [ "$TARGET_ABI_DIR" = "" ]; then
7740   TARGET_ABI_DIR=$TARGET_ARCH
7741 fi
7742 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
7743 if [ "$HOST_VARIANT_DIR" != "" ]; then
7744     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
7745 fi
7746
7747 if supported_xen_target $target; then
7748     echo "CONFIG_XEN=y" >> $config_target_mak
7749     echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
7750     if test "$xen_pci_passthrough" = yes; then
7751         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
7752     fi
7753 else
7754     echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
7755 fi
7756 if supported_kvm_target $target; then
7757     echo "CONFIG_KVM=y" >> $config_target_mak
7758     echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
7759 else
7760     echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
7761 fi
7762 if supported_hax_target $target; then
7763     echo "CONFIG_HAX=y" >> $config_target_mak
7764 fi
7765 if supported_hvf_target $target; then
7766     echo "CONFIG_HVF=y" >> $config_target_mak
7767 fi
7768 if supported_whpx_target $target; then
7769     echo "CONFIG_WHPX=y" >> $config_target_mak
7770 fi
7771 if test "$target_aligned_only" = "yes" ; then
7772   echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
7773 fi
7774 if test "$target_bigendian" = "yes" ; then
7775   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
7776 fi
7777 if test "$target_softmmu" = "yes" ; then
7778   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
7779   if test "$mttcg" = "yes" ; then
7780     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
7781   fi
7782 fi
7783 if test "$target_user_only" = "yes" ; then
7784   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
7785   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
7786 fi
7787 if test "$target_linux_user" = "yes" ; then
7788   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
7789 fi
7790 list=""
7791 if test ! -z "$gdb_xml_files" ; then
7792   for x in $gdb_xml_files; do
7793     list="$list $source_path/gdb-xml/$x"
7794   done
7795   echo "TARGET_XML_FILES=$list" >> $config_target_mak
7796 fi
7797
7798 if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
7799   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
7800 fi
7801 if test "$target_bsd_user" = "yes" ; then
7802   echo "CONFIG_BSD_USER=y" >> $config_target_mak
7803 fi
7804
7805
7806 # generate QEMU_CFLAGS/LDFLAGS for targets
7807
7808 cflags=""
7809 ldflags=""
7810
7811 disas_config() {
7812   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
7813   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
7814 }
7815
7816 for i in $ARCH $TARGET_BASE_ARCH ; do
7817   case "$i" in
7818   alpha)
7819     disas_config "ALPHA"
7820   ;;
7821   aarch64)
7822     if test -n "${cxx}"; then
7823       disas_config "ARM_A64"
7824     fi
7825   ;;
7826   arm)
7827     disas_config "ARM"
7828     if test -n "${cxx}"; then
7829       disas_config "ARM_A64"
7830     fi
7831   ;;
7832   cris)
7833     disas_config "CRIS"
7834   ;;
7835   hppa)
7836     disas_config "HPPA"
7837   ;;
7838   i386|x86_64|x32)
7839     disas_config "I386"
7840   ;;
7841   lm32)
7842     disas_config "LM32"
7843   ;;
7844   m68k)
7845     disas_config "M68K"
7846   ;;
7847   microblaze*)
7848     disas_config "MICROBLAZE"
7849   ;;
7850   mips*)
7851     disas_config "MIPS"
7852     if test -n "${cxx}"; then
7853       disas_config "NANOMIPS"
7854     fi
7855   ;;
7856   moxie*)
7857     disas_config "MOXIE"
7858   ;;
7859   nios2)
7860     disas_config "NIOS2"
7861   ;;
7862   or1k)
7863     disas_config "OPENRISC"
7864   ;;
7865   ppc*)
7866     disas_config "PPC"
7867   ;;
7868   riscv*)
7869     disas_config "RISCV"
7870   ;;
7871   s390*)
7872     disas_config "S390"
7873   ;;
7874   sh4)
7875     disas_config "SH4"
7876   ;;
7877   sparc*)
7878     disas_config "SPARC"
7879   ;;
7880   xtensa*)
7881     disas_config "XTENSA"
7882   ;;
7883   esac
7884 done
7885 if test "$tcg_interpreter" = "yes" ; then
7886   disas_config "TCI"
7887 fi
7888
7889 case "$ARCH" in
7890 alpha)
7891   # Ensure there's only a single GP
7892   cflags="-msmall-data $cflags"
7893 ;;
7894 esac
7895
7896 if test "$gprof" = "yes" ; then
7897   echo "TARGET_GPROF=y" >> $config_target_mak
7898   if test "$target_linux_user" = "yes" ; then
7899     cflags="-p $cflags"
7900     ldflags="-p $ldflags"
7901   fi
7902   if test "$target_softmmu" = "yes" ; then
7903     ldflags="-p $ldflags"
7904     echo "GPROF_CFLAGS=-p" >> $config_target_mak
7905   fi
7906 fi
7907
7908 if test "$target_linux_user" = "yes" || test "$target_bsd_user" = "yes" ; then
7909   ldflags="$ldflags $textseg_ldflags"
7910 fi
7911
7912 # Newer kernels on s390 check for an S390_PGSTE program header and
7913 # enable the pgste page table extensions in that case. This makes
7914 # the vm.allocate_pgste sysctl unnecessary. We enable this program
7915 # header if
7916 #  - we build on s390x
7917 #  - we build the system emulation for s390x (qemu-system-s390x)
7918 #  - KVM is enabled
7919 #  - the linker supports --s390-pgste
7920 if test "$TARGET_ARCH" = "s390x" && test "$target_softmmu" = "yes" && \
7921         test "$ARCH" = "s390x" && test "$kvm" = "yes"; then
7922     if ld_has --s390-pgste ; then
7923         ldflags="-Wl,--s390-pgste $ldflags"
7924     fi
7925 fi
7926
7927 echo "LDFLAGS+=$ldflags" >> $config_target_mak
7928 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
7929
7930 done # for target in $targets
7931
7932 echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
7933 echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
7934
7935 if [ "$fdt" = "git" ]; then
7936   echo "config-host.h: dtc/all" >> $config_host_mak
7937 fi
7938 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
7939   echo "config-host.h: capstone/all" >> $config_host_mak
7940 fi
7941 if test -n "$LIBCAPSTONE"; then
7942   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak
7943 fi
7944
7945 if test "$numa" = "yes"; then
7946   echo "CONFIG_NUMA=y" >> $config_host_mak
7947 fi
7948
7949 if test "$ccache_cpp2" = "yes"; then
7950   echo "export CCACHE_CPP2=y" >> $config_host_mak
7951 fi
7952
7953 # If we're using a separate build tree, set it up now.
7954 # DIRS are directories which we simply mkdir in the build tree;
7955 # LINKS are things to symlink back into the source tree
7956 # (these can be both files and directories).
7957 # Caution: do not add files or directories here using wildcards. This
7958 # will result in problems later if a new file matching the wildcard is
7959 # added to the source tree -- nothing will cause configure to be rerun
7960 # so the build tree will be missing the link back to the new file, and
7961 # tests might fail. Prefer to keep the relevant files in their own
7962 # directory and symlink the directory instead.
7963 DIRS="tests tests/tcg tests/tcg/lm32 tests/libqos tests/qapi-schema tests/qemu-iotests tests/vm"
7964 DIRS="$DIRS tests/fp tests/qgraph"
7965 DIRS="$DIRS docs docs/interop fsdev scsi"
7966 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7967 DIRS="$DIRS roms/seabios roms/vgabios"
7968 LINKS="Makefile"
7969 LINKS="$LINKS tests/tcg/lm32/Makefile po/Makefile"
7970 LINKS="$LINKS tests/tcg/Makefile.target tests/fp/Makefile"
7971 LINKS="$LINKS tests/plugin/Makefile"
7972 LINKS="$LINKS pc-bios/optionrom/Makefile pc-bios/keymaps"
7973 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7974 LINKS="$LINKS roms/seabios/Makefile roms/vgabios/Makefile"
7975 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7976 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7977 LINKS="$LINKS tests/acceptance tests/data"
7978 LINKS="$LINKS tests/qemu-iotests/check"
7979 LINKS="$LINKS python"
7980 for bios_file in \
7981     $source_path/pc-bios/*.bin \
7982     $source_path/pc-bios/*.lid \
7983     $source_path/pc-bios/*.rom \
7984     $source_path/pc-bios/*.dtb \
7985     $source_path/pc-bios/*.img \
7986     $source_path/pc-bios/openbios-* \
7987     $source_path/pc-bios/u-boot.* \
7988     $source_path/pc-bios/edk2-*.fd.bz2 \
7989     $source_path/pc-bios/palcode-*
7990 do
7991     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7992 done
7993 mkdir -p $DIRS
7994 for f in $LINKS ; do
7995     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
7996         symlink "$source_path/$f" "$f"
7997     fi
7998 done
7999
8000 (for i in $cross_cc_vars; do
8001   export $i
8002 done
8003 export target_list source_path use_containers
8004 $source_path/tests/tcg/configure.sh)
8005
8006 # temporary config to build submodules
8007 for rom in seabios vgabios ; do
8008     config_mak=roms/$rom/config.mak
8009     echo "# Automatically generated by configure - do not modify" > $config_mak
8010     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
8011     echo "AS=$as" >> $config_mak
8012     echo "CCAS=$ccas" >> $config_mak
8013     echo "CC=$cc" >> $config_mak
8014     echo "BCC=bcc" >> $config_mak
8015     echo "CPP=$cpp" >> $config_mak
8016     echo "OBJCOPY=objcopy" >> $config_mak
8017     echo "IASL=$iasl" >> $config_mak
8018     echo "LD=$ld" >> $config_mak
8019     echo "RANLIB=$ranlib" >> $config_mak
8020 done
8021
8022 # set up qemu-iotests in this build directory
8023 iotests_common_env="tests/qemu-iotests/common.env"
8024
8025 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
8026 echo >> "$iotests_common_env"
8027 echo "export PYTHON='$python'" >> "$iotests_common_env"
8028
8029 # Save the configure command line for later reuse.
8030 cat <<EOD >config.status
8031 #!/bin/sh
8032 # Generated by configure.
8033 # Run this file to recreate the current configuration.
8034 # Compiler output produced by configure, useful for debugging
8035 # configure, is in config.log if it exists.
8036 EOD
8037
8038 preserve_env() {
8039     envname=$1
8040
8041     eval envval=\$$envname
8042
8043     if test -n "$envval"
8044     then
8045         echo "$envname='$envval'" >> config.status
8046         echo "export $envname" >> config.status
8047     else
8048         echo "unset $envname" >> config.status
8049     fi
8050 }
8051
8052 # Preserve various env variables that influence what
8053 # features/build target configure will detect
8054 preserve_env AR
8055 preserve_env AS
8056 preserve_env CC
8057 preserve_env CPP
8058 preserve_env CXX
8059 preserve_env INSTALL
8060 preserve_env LD
8061 preserve_env LD_LIBRARY_PATH
8062 preserve_env LIBTOOL
8063 preserve_env MAKE
8064 preserve_env NM
8065 preserve_env OBJCOPY
8066 preserve_env PATH
8067 preserve_env PKG_CONFIG
8068 preserve_env PKG_CONFIG_LIBDIR
8069 preserve_env PKG_CONFIG_PATH
8070 preserve_env PYTHON
8071 preserve_env SDL2_CONFIG
8072 preserve_env SMBD
8073 preserve_env STRIP
8074 preserve_env WINDRES
8075
8076 printf "exec" >>config.status
8077 printf " '%s'" "$0" "$@" >>config.status
8078 echo ' "$@"' >>config.status
8079 chmod +x config.status
8080
8081 rm -r "$TMPDIR1"