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 # make source path absolute
  15 source_path=$(cd "$(dirname -- "$0")"; pwd)
  16
  17 if test "$PWD" = "$source_path"
  18 then
  19     echo "Using './build' as the directory for build output"
  20
  21     MARKER=build/auto-created-by-configure
  22
  23     if test -e build
  24     then
  25         if test -f $MARKER
  26         then
  27            rm -rf build
  28         else
  29             echo "ERROR: ./build dir already exists and was not previously created by configure"
  30             exit 1
  31         fi
  32     fi
  33
  34     mkdir build
  35     touch $MARKER
  36
  37     cat > GNUmakefile <<'EOF'
  38 # This file is auto-generated by configure to support in-source tree
  39 # 'make' command invocation
  40
  41 ifeq ($(MAKECMDGOALS),)
  42 recurse: all
  43 endif
  44
  45 .NOTPARALLEL: %
  46 %: force
  47         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  48         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  49         @if test "$(MAKECMDGOALS)" = "distclean" && \
  50             test -e build/auto-created-by-configure ; \
  51         then \
  52             rm -rf build GNUmakefile ; \
  53         fi
  54 force: ;
  55 .PHONY: force
  56 GNUmakefile: ;
  57
  58 EOF
  59     cd build
  60     exec $source_path/configure "$@"
  61 fi
  62
  63 # Temporary directory used for files created while
  64 # configure runs. Since it is in the build directory
  65 # we can safely blow away any previous version of it
  66 # (and we need not jump through hoops to try to delete
  67 # it when configure exits.)
  68 TMPDIR1="config-temp"
  69 rm -rf "${TMPDIR1}"
  70 mkdir -p "${TMPDIR1}"
  71 if [ $? -ne 0 ]; then
  72     echo "ERROR: failed to create temporary directory"
  73     exit 1
  74 fi
  75
  76 TMPB="qemu-conf"
  77 TMPC="${TMPDIR1}/${TMPB}.c"
  78 TMPO="${TMPDIR1}/${TMPB}.o"
  79 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  80 TMPE="${TMPDIR1}/${TMPB}.exe"
  81 TMPTXT="${TMPDIR1}/${TMPB}.txt"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 printf " '%s'" "$0" "$@" >> config.log
  89 echo >> config.log
  90 echo "#" >> config.log
  91
  92 print_error() {
  93     (echo
  94     echo "ERROR: $1"
  95     while test -n "$2"; do
  96         echo "       $2"
  97         shift
  98     done
  99     echo) >&2
 100 }
 101
 102 error_exit() {
 103     print_error "$@"
 104     exit 1
 105 }
 106
 107 do_compiler() {
 108     # Run the compiler, capturing its output to the log. First argument
 109     # is compiler binary to execute.
 110     local compiler="$1"
 111     shift
 112     if test -n "$BASH_VERSION"; then eval '
 113         echo >>config.log "
 114 funcs: ${FUNCNAME[*]}
 115 lines: ${BASH_LINENO[*]}"
 116     '; fi
 117     echo $compiler "$@" >> config.log
 118     $compiler "$@" >> config.log 2>&1 || return $?
 119     # Test passed. If this is an --enable-werror build, rerun
 120     # the test with -Werror and bail out if it fails. This
 121     # makes warning-generating-errors in configure test code
 122     # obvious to developers.
 123     if test "$werror" != "yes"; then
 124         return 0
 125     fi
 126     # Don't bother rerunning the compile if we were already using -Werror
 127     case "$*" in
 128         *-Werror*)
 129            return 0
 130         ;;
 131     esac
 132     echo $compiler -Werror "$@" >> config.log
 133     $compiler -Werror "$@" >> config.log 2>&1 && return $?
 134     error_exit "configure test passed without -Werror but failed with -Werror." \
 135         "This is probably a bug in the configure script. The failing command" \
 136         "will be at the bottom of config.log." \
 137         "You can run configure with --disable-werror to bypass this check."
 138 }
 139
 140 do_cc() {
 141     do_compiler "$cc" "$@"
 142 }
 143
 144 do_cxx() {
 145     do_compiler "$cxx" "$@"
 146 }
 147
 148 # Append $2 to the variable named $1, with space separation
 149 add_to() {
 150     eval $1=\${$1:+\"\$$1 \"}\$2
 151 }
 152
 153 update_cxxflags() {
 154     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
 155     # options which some versions of GCC's C++ compiler complain about
 156     # because they only make sense for C programs.
 157     QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
 158     CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
 159     for arg in $QEMU_CFLAGS; do
 160         case $arg in
 161             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
 162             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
 163                 ;;
 164             *)
 165                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 166                 ;;
 167         esac
 168     done
 169 }
 170
 171 compile_object() {
 172   local_cflags="$1"
 173   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 174 }
 175
 176 compile_prog() {
 177   local_cflags="$1"
 178   local_ldflags="$2"
 179   do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
 180 }
 181
 182 # symbolically link $1 to $2.  Portable version of "ln -sf".
 183 symlink() {
 184   rm -rf "$2"
 185   mkdir -p "$(dirname "$2")"
 186   ln -s "$1" "$2"
 187 }
 188
 189 # check whether a command is available to this shell (may be either an
 190 # executable or a builtin)
 191 has() {
 192     type "$1" >/dev/null 2>&1
 193 }
 194
 195 version_ge () {
 196     local_ver1=`echo $1 | tr . ' '`
 197     local_ver2=`echo $2 | tr . ' '`
 198     while true; do
 199         set x $local_ver1
 200         local_first=${2-0}
 201         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 202         shift ${2:+2}
 203         local_ver1=$*
 204         set x $local_ver2
 205         # the second argument finished, the first must be greater or equal
 206         test $# = 1 && return 0
 207         test $local_first -lt $2 && return 1
 208         test $local_first -gt $2 && return 0
 209         shift ${2:+2}
 210         local_ver2=$*
 211     done
 212 }
 213
 214 have_backend () {
 215     echo "$trace_backends" | grep "$1" >/dev/null
 216 }
 217
 218 glob() {
 219     eval test -z '"${1#'"$2"'}"'
 220 }
 221
 222 ld_has() {
 223     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 224 }
 225
 226 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 227 then
 228   error_exit "main directory cannot contain spaces nor colons"
 229 fi
 230
 231 # default parameters
 232 cpu=""
 233 iasl="iasl"
 234 interp_prefix="/usr/gnemul/qemu-%M"
 235 static="no"
 236 cross_prefix=""
 237 audio_drv_list=""
 238 block_drv_rw_whitelist=""
 239 block_drv_ro_whitelist=""
 240 host_cc="cc"
 241 audio_win_int=""
 242 libs_qga=""
 243 debug_info="yes"
 244 stack_protector=""
 245 safe_stack=""
 246 use_containers="yes"
 247 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 248
 249 if test -e "$source_path/.git"
 250 then
 251     git_update=yes
 252     git_submodules="ui/keycodemapdb"
 253     git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
 254     git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
 255 else
 256     git_update=no
 257     git_submodules=""
 258
 259     if ! test -f "$source_path/ui/keycodemapdb/README"
 260     then
 261         echo
 262         echo "ERROR: missing file $source_path/ui/keycodemapdb/README"
 263         echo
 264         echo "This is not a GIT checkout but module content appears to"
 265         echo "be missing. Do not use 'git archive' or GitHub download links"
 266         echo "to acquire QEMU source archives. Non-GIT builds are only"
 267         echo "supported with source archives linked from:"
 268         echo
 269         echo "  https://www.qemu.org/download/#source"
 270         echo
 271         echo "Developers working with GIT can use scripts/archive-source.sh"
 272         echo "if they need to create valid source archives."
 273         echo
 274         exit 1
 275     fi
 276 fi
 277 git="git"
 278
 279 # Don't accept a target_list environment variable.
 280 unset target_list
 281 unset target_list_exclude
 282
 283 # Default value for a variable defining feature "foo".
 284 #  * foo="no"  feature will only be used if --enable-foo arg is given
 285 #  * foo=""    feature will be searched for, and if found, will be used
 286 #              unless --disable-foo is given
 287 #  * foo="yes" this value will only be set by --enable-foo flag.
 288 #              feature will searched for,
 289 #              if not found, configure exits with error
 290 #
 291 # Always add --enable-foo and --disable-foo command line args.
 292 # Distributions want to ensure that several features are compiled in, and it
 293 # is impossible without a --enable-foo that exits if a feature is not found.
 294
 295 brlapi=""
 296 curl=""
 297 curses=""
 298 docs=""
 299 fdt=""
 300 netmap="no"
 301 sdl="auto"
 302 sdl_image="auto"
 303 virtfs=""
 304 mpath="auto"
 305 vnc="enabled"
 306 sparse="auto"
 307 vde=""
 308 vnc_sasl="auto"
 309 vnc_jpeg="auto"
 310 vnc_png="auto"
 311 xkbcommon="auto"
 312 xen=""
 313 xen_ctrl_version=""
 314 xen_pci_passthrough="auto"
 315 linux_aio=""
 316 linux_io_uring=""
 317 cap_ng=""
 318 attr=""
 319 libattr=""
 320 xfs=""
 321 tcg="enabled"
 322 membarrier=""
 323 vhost_net=""
 324 vhost_crypto=""
 325 vhost_scsi=""
 326 vhost_vsock=""
 327 vhost_user=""
 328 vhost_user_fs=""
 329 kvm="auto"
 330 hax="auto"
 331 hvf="auto"
 332 whpx="auto"
 333 rdma=""
 334 pvrdma=""
 335 gprof="no"
 336 debug_tcg="no"
 337 debug="no"
 338 sanitizers="no"
 339 tsan="no"
 340 fortify_source=""
 341 strip_opt="yes"
 342 tcg_interpreter="no"
 343 bigendian="no"
 344 mingw32="no"
 345 gcov="no"
 346 EXESUF=""
 347 HOST_DSOSUF=".so"
 348 modules="no"
 349 module_upgrades="no"
 350 prefix="/usr/local"
 351 qemu_suffix="qemu"
 352 slirp=""
 353 oss_lib=""
 354 bsd="no"
 355 linux="no"
 356 solaris="no"
 357 profiler="no"
 358 cocoa="auto"
 359 softmmu="yes"
 360 linux_user="no"
 361 bsd_user="no"
 362 blobs="yes"
 363 edk2_blobs="no"
 364 pkgversion=""
 365 pie=""
 366 qom_cast_debug="yes"
 367 trace_backends="log"
 368 trace_file="trace"
 369 spice=""
 370 rbd=""
 371 smartcard=""
 372 u2f="auto"
 373 libusb=""
 374 usb_redir=""
 375 opengl=""
 376 opengl_dmabuf="no"
 377 cpuid_h="no"
 378 avx2_opt=""
 379 capstone="auto"
 380 lzo=""
 381 snappy=""
 382 bzip2=""
 383 lzfse=""
 384 zstd=""
 385 guest_agent=""
 386 guest_agent_with_vss="no"
 387 guest_agent_ntddscsi="no"
 388 guest_agent_msi=""
 389 vss_win32_sdk=""
 390 win_sdk="no"
 391 want_tools=""
 392 libiscsi=""
 393 libnfs=""
 394 coroutine=""
 395 coroutine_pool=""
 396 debug_stack_usage="no"
 397 crypto_afalg="no"
 398 seccomp=""
 399 glusterfs=""
 400 glusterfs_xlator_opt="no"
 401 glusterfs_discard="no"
 402 glusterfs_fallocate="no"
 403 glusterfs_zerofill="no"
 404 glusterfs_ftruncate_has_stat="no"
 405 glusterfs_iocb_has_stat="no"
 406 gtk=""
 407 gtk_gl="no"
 408 tls_priority="NORMAL"
 409 gnutls=""
 410 nettle=""
 411 nettle_xts="no"
 412 gcrypt=""
 413 gcrypt_hmac="no"
 414 gcrypt_xts="no"
 415 qemu_private_xts="yes"
 416 auth_pam=""
 417 vte=""
 418 virglrenderer=""
 419 tpm=""
 420 libssh=""
 421 live_block_migration="yes"
 422 numa=""
 423 tcmalloc="no"
 424 jemalloc="no"
 425 replication="yes"
 426 bochs="yes"
 427 cloop="yes"
 428 dmg="yes"
 429 qcow1="yes"
 430 vdi="yes"
 431 vvfat="yes"
 432 qed="yes"
 433 parallels="yes"
 434 sheepdog="yes"
 435 libxml2=""
 436 debug_mutex="no"
 437 libpmem=""
 438 default_devices="yes"
 439 plugins="no"
 440 fuzzing="no"
 441 rng_none="no"
 442 secret_keyring=""
 443 libdaxctl=""
 444 meson=""
 445 ninja=""
 446 skip_meson=no
 447 gettext=""
 448
 449 bogus_os="no"
 450 malloc_trim="auto"
 451
 452 # parse CC options first
 453 for opt do
 454   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 455   case "$opt" in
 456   --cross-prefix=*) cross_prefix="$optarg"
 457   ;;
 458   --cc=*) CC="$optarg"
 459   ;;
 460   --cxx=*) CXX="$optarg"
 461   ;;
 462   --cpu=*) cpu="$optarg"
 463   ;;
 464   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 465                     QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 466   ;;
 467   --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
 468   ;;
 469   --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
 470                      EXTRA_LDFLAGS="$optarg"
 471   ;;
 472   --enable-debug-info) debug_info="yes"
 473   ;;
 474   --disable-debug-info) debug_info="no"
 475   ;;
 476   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 477   ;;
 478   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*}
 479                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 480                       cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}"
 481   ;;
 482   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 483                 cc_archs="$cc_archs $cc_arch"
 484                 eval "cross_cc_${cc_arch}=\$optarg"
 485                 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}"
 486   ;;
 487   esac
 488 done
 489 # OS specific
 490 # Using uname is really, really broken.  Once we have the right set of checks
 491 # we can eliminate its usage altogether.
 492
 493 # Preferred compiler:
 494 #  ${CC} (if set)
 495 #  ${cross_prefix}gcc (if cross-prefix specified)
 496 #  system compiler
 497 if test -z "${CC}${cross_prefix}"; then
 498   cc="$host_cc"
 499 else
 500   cc="${CC-${cross_prefix}gcc}"
 501 fi
 502
 503 if test -z "${CXX}${cross_prefix}"; then
 504   cxx="c++"
 505 else
 506   cxx="${CXX-${cross_prefix}g++}"
 507 fi
 508
 509 ar="${AR-${cross_prefix}ar}"
 510 as="${AS-${cross_prefix}as}"
 511 ccas="${CCAS-$cc}"
 512 cpp="${CPP-$cc -E}"
 513 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 514 ld="${LD-${cross_prefix}ld}"
 515 ranlib="${RANLIB-${cross_prefix}ranlib}"
 516 nm="${NM-${cross_prefix}nm}"
 517 strip="${STRIP-${cross_prefix}strip}"
 518 windres="${WINDRES-${cross_prefix}windres}"
 519 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 520 query_pkg_config() {
 521     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 522 }
 523 pkg_config=query_pkg_config
 524 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 525
 526 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 527 ARFLAGS="${ARFLAGS-rv}"
 528
 529 # default flags for all hosts
 530 # We use -fwrapv to tell the compiler that we require a C dialect where
 531 # left shift of signed integers is well defined and has the expected
 532 # 2s-complement style results. (Both clang and gcc agree that it
 533 # provides these semantics.)
 534 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 535 QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 536 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 537 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 538 QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
 539 QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
 540 CFLAGS="-std=gnu99 -Wall"
 541
 542
 543 check_define() {
 544 cat > $TMPC <<EOF
 545 #if !defined($1)
 546 #error $1 not defined
 547 #endif
 548 int main(void) { return 0; }
 549 EOF
 550   compile_object
 551 }
 552
 553 check_include() {
 554 cat > $TMPC <<EOF
 555 #include <$1>
 556 int main(void) { return 0; }
 557 EOF
 558   compile_object
 559 }
 560
 561 write_c_skeleton() {
 562     cat > $TMPC <<EOF
 563 int main(void) { return 0; }
 564 EOF
 565 }
 566
 567 write_c_fuzzer_skeleton() {
 568     cat > $TMPC <<EOF
 569 #include <stdint.h>
 570 #include <sys/types.h>
 571 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 572 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 573 EOF
 574 }
 575
 576 if check_define __linux__ ; then
 577   targetos="Linux"
 578 elif check_define _WIN32 ; then
 579   targetos='MINGW32'
 580 elif check_define __OpenBSD__ ; then
 581   targetos='OpenBSD'
 582 elif check_define __sun__ ; then
 583   targetos='SunOS'
 584 elif check_define __HAIKU__ ; then
 585   targetos='Haiku'
 586 elif check_define __FreeBSD__ ; then
 587   targetos='FreeBSD'
 588 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 589   targetos='GNU/kFreeBSD'
 590 elif check_define __DragonFly__ ; then
 591   targetos='DragonFly'
 592 elif check_define __NetBSD__; then
 593   targetos='NetBSD'
 594 elif check_define __APPLE__; then
 595   targetos='Darwin'
 596 else
 597   # This is a fatal error, but don't report it yet, because we
 598   # might be going to just print the --help text, or it might
 599   # be the result of a missing compiler.
 600   targetos='bogus'
 601   bogus_os='yes'
 602 fi
 603
 604 # Some host OSes need non-standard checks for which CPU to use.
 605 # Note that these checks are broken for cross-compilation: if you're
 606 # cross-compiling to one of these OSes then you'll need to specify
 607 # the correct CPU with the --cpu option.
 608 case $targetos in
 609 Darwin)
 610   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 611   # run 64-bit userspace code.
 612   # If the user didn't specify a CPU explicitly and the kernel says this is
 613   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 614   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 615     cpu="x86_64"
 616   fi
 617   ;;
 618 SunOS)
 619   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 620   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 621     cpu="x86_64"
 622   fi
 623 esac
 624
 625 if test ! -z "$cpu" ; then
 626   # command line argument
 627   :
 628 elif check_define __i386__ ; then
 629   cpu="i386"
 630 elif check_define __x86_64__ ; then
 631   if check_define __ILP32__ ; then
 632     cpu="x32"
 633   else
 634     cpu="x86_64"
 635   fi
 636 elif check_define __sparc__ ; then
 637   if check_define __arch64__ ; then
 638     cpu="sparc64"
 639   else
 640     cpu="sparc"
 641   fi
 642 elif check_define _ARCH_PPC ; then
 643   if check_define _ARCH_PPC64 ; then
 644     if check_define _LITTLE_ENDIAN ; then
 645       cpu="ppc64le"
 646     else
 647       cpu="ppc64"
 648     fi
 649   else
 650     cpu="ppc"
 651   fi
 652 elif check_define __mips__ ; then
 653   cpu="mips"
 654 elif check_define __s390__ ; then
 655   if check_define __s390x__ ; then
 656     cpu="s390x"
 657   else
 658     cpu="s390"
 659   fi
 660 elif check_define __riscv ; then
 661   if check_define _LP64 ; then
 662     cpu="riscv64"
 663   else
 664     cpu="riscv32"
 665   fi
 666 elif check_define __arm__ ; then
 667   cpu="arm"
 668 elif check_define __aarch64__ ; then
 669   cpu="aarch64"
 670 else
 671   cpu=$(uname -m)
 672 fi
 673
 674 ARCH=
 675 # Normalise host CPU name and set ARCH.
 676 # Note that this case should only have supported host CPUs, not guests.
 677 case "$cpu" in
 678   ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64)
 679   ;;
 680   ppc64le)
 681     ARCH="ppc64"
 682   ;;
 683   i386|i486|i586|i686|i86pc|BePC)
 684     cpu="i386"
 685   ;;
 686   x86_64|amd64)
 687     cpu="x86_64"
 688   ;;
 689   armv*b|armv*l|arm)
 690     cpu="arm"
 691   ;;
 692   aarch64)
 693     cpu="aarch64"
 694   ;;
 695   mips*)
 696     cpu="mips"
 697   ;;
 698   sparc|sun4[cdmuv])
 699     cpu="sparc"
 700   ;;
 701   *)
 702     # This will result in either an error or falling back to TCI later
 703     ARCH=unknown
 704   ;;
 705 esac
 706 if test -z "$ARCH"; then
 707   ARCH="$cpu"
 708 fi
 709
 710 # OS specific
 711
 712 case $targetos in
 713 MINGW32*)
 714   mingw32="yes"
 715   vhost_user="no"
 716   audio_possible_drivers="dsound sdl"
 717   if check_include dsound.h; then
 718     audio_drv_list="dsound"
 719   else
 720     audio_drv_list=""
 721   fi
 722   supported_os="yes"
 723   pie="no"
 724 ;;
 725 GNU/kFreeBSD)
 726   bsd="yes"
 727   audio_drv_list="oss try-sdl"
 728   audio_possible_drivers="oss sdl pa"
 729 ;;
 730 FreeBSD)
 731   bsd="yes"
 732   make="${MAKE-gmake}"
 733   audio_drv_list="oss try-sdl"
 734   audio_possible_drivers="oss sdl pa"
 735   # needed for kinfo_getvmmap(3) in libutil.h
 736   netmap=""  # enable netmap autodetect
 737 ;;
 738 DragonFly)
 739   bsd="yes"
 740   make="${MAKE-gmake}"
 741   audio_drv_list="oss try-sdl"
 742   audio_possible_drivers="oss sdl pa"
 743 ;;
 744 NetBSD)
 745   bsd="yes"
 746   make="${MAKE-gmake}"
 747   audio_drv_list="oss try-sdl"
 748   audio_possible_drivers="oss sdl"
 749   oss_lib="-lossaudio"
 750 ;;
 751 OpenBSD)
 752   bsd="yes"
 753   make="${MAKE-gmake}"
 754   audio_drv_list="try-sdl"
 755   audio_possible_drivers="sdl"
 756 ;;
 757 Darwin)
 758   bsd="yes"
 759   darwin="yes"
 760   if [ "$cpu" = "x86_64" ] ; then
 761     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 762     QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
 763   fi
 764   cocoa="enabled"
 765   audio_drv_list="coreaudio try-sdl"
 766   audio_possible_drivers="coreaudio sdl"
 767   QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
 768   # Disable attempts to use ObjectiveC features in os/object.h since they
 769   # won't work when we're compiling with gcc as a C compiler.
 770   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 771 ;;
 772 SunOS)
 773   solaris="yes"
 774   make="${MAKE-gmake}"
 775   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 776   if test -f /usr/include/sys/soundcard.h ; then
 777     audio_drv_list="oss try-sdl"
 778   fi
 779   audio_possible_drivers="oss sdl"
 780 # needed for CMSG_ macros in sys/socket.h
 781   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 782 # needed for TIOCWIN* defines in termios.h
 783   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 784 ;;
 785 Haiku)
 786   haiku="yes"
 787   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -DBSD_SOURCE $QEMU_CFLAGS"
 788 ;;
 789 Linux)
 790   audio_drv_list="try-pa oss"
 791   audio_possible_drivers="oss alsa sdl pa"
 792   linux="yes"
 793   linux_user="yes"
 794   QEMU_INCLUDES="-isystem ${source_path}/linux-headers -Ilinux-headers $QEMU_INCLUDES"
 795 ;;
 796 esac
 797
 798 if [ "$bsd" = "yes" ] ; then
 799   if [ "$darwin" != "yes" ] ; then
 800     bsd_user="yes"
 801   fi
 802 fi
 803
 804 : ${make=${MAKE-make}}
 805
 806 # We prefer python 3.x. A bare 'python' is traditionally
 807 # python 2.x, but some distros have it as python 3.x, so
 808 # we check that too
 809 python=
 810 explicit_python=no
 811 for binary in "${PYTHON-python3}" python
 812 do
 813     if has "$binary"
 814     then
 815         python=$(command -v "$binary")
 816         break
 817     fi
 818 done
 819
 820 sphinx_build=
 821 for binary in sphinx-build-3 sphinx-build
 822 do
 823     if has "$binary"
 824     then
 825         sphinx_build=$(command -v "$binary")
 826         break
 827     fi
 828 done
 829
 830 # Check for ancillary tools used in testing
 831 genisoimage=
 832 for binary in genisoimage mkisofs
 833 do
 834     if has $binary
 835     then
 836         genisoimage=$(command -v "$binary")
 837         break
 838     fi
 839 done
 840
 841 : ${smbd=${SMBD-/usr/sbin/smbd}}
 842
 843 # Default objcc to clang if available, otherwise use CC
 844 if has clang; then
 845   objcc=clang
 846 else
 847   objcc="$cc"
 848 fi
 849
 850 if test "$mingw32" = "yes" ; then
 851   EXESUF=".exe"
 852   HOST_DSOSUF=".dll"
 853   # MinGW needs -mthreads for TLS and macro _MT.
 854   CFLAGS="-mthreads $CFLAGS"
 855   write_c_skeleton;
 856   prefix="/qemu"
 857   qemu_suffix=""
 858   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga"
 859 fi
 860
 861 werror=""
 862
 863 for opt do
 864   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 865   case "$opt" in
 866   --help|-h) show_help=yes
 867   ;;
 868   --version|-V) exec cat $source_path/VERSION
 869   ;;
 870   --prefix=*) prefix="$optarg"
 871   ;;
 872   --interp-prefix=*) interp_prefix="$optarg"
 873   ;;
 874   --cross-prefix=*)
 875   ;;
 876   --cc=*)
 877   ;;
 878   --host-cc=*) host_cc="$optarg"
 879   ;;
 880   --cxx=*)
 881   ;;
 882   --iasl=*) iasl="$optarg"
 883   ;;
 884   --objcc=*) objcc="$optarg"
 885   ;;
 886   --make=*) make="$optarg"
 887   ;;
 888   --install=*)
 889   ;;
 890   --python=*) python="$optarg" ; explicit_python=yes
 891   ;;
 892   --sphinx-build=*) sphinx_build="$optarg"
 893   ;;
 894   --skip-meson) skip_meson=yes
 895   ;;
 896   --meson=*) meson="$optarg"
 897   ;;
 898   --ninja=*) ninja="$optarg"
 899   ;;
 900   --smbd=*) smbd="$optarg"
 901   ;;
 902   --extra-cflags=*)
 903   ;;
 904   --extra-cxxflags=*)
 905   ;;
 906   --extra-ldflags=*)
 907   ;;
 908   --enable-debug-info)
 909   ;;
 910   --disable-debug-info)
 911   ;;
 912   --cross-cc-*)
 913   ;;
 914   --enable-modules)
 915       modules="yes"
 916   ;;
 917   --disable-modules)
 918       modules="no"
 919   ;;
 920   --disable-module-upgrades) module_upgrades="no"
 921   ;;
 922   --enable-module-upgrades) module_upgrades="yes"
 923   ;;
 924   --cpu=*)
 925   ;;
 926   --target-list=*) target_list="$optarg"
 927                    if test "$target_list_exclude"; then
 928                        error_exit "Can't mix --target-list with --target-list-exclude"
 929                    fi
 930   ;;
 931   --target-list-exclude=*) target_list_exclude="$optarg"
 932                    if test "$target_list"; then
 933                        error_exit "Can't mix --target-list-exclude with --target-list"
 934                    fi
 935   ;;
 936   --enable-trace-backends=*) trace_backends="$optarg"
 937   ;;
 938   # XXX: backwards compatibility
 939   --enable-trace-backend=*) trace_backends="$optarg"
 940   ;;
 941   --with-trace-file=*) trace_file="$optarg"
 942   ;;
 943   --with-default-devices) default_devices="yes"
 944   ;;
 945   --without-default-devices) default_devices="no"
 946   ;;
 947   --enable-gprof) gprof="yes"
 948   ;;
 949   --enable-gcov) gcov="yes"
 950   ;;
 951   --static)
 952     static="yes"
 953     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 954   ;;
 955   --mandir=*) mandir="$optarg"
 956   ;;
 957   --bindir=*) bindir="$optarg"
 958   ;;
 959   --libdir=*) libdir="$optarg"
 960   ;;
 961   --libexecdir=*) libexecdir="$optarg"
 962   ;;
 963   --includedir=*) includedir="$optarg"
 964   ;;
 965   --datadir=*) datadir="$optarg"
 966   ;;
 967   --with-suffix=*) qemu_suffix="$optarg"
 968   ;;
 969   --docdir=*) qemu_docdir="$optarg"
 970   ;;
 971   --sysconfdir=*) sysconfdir="$optarg"
 972   ;;
 973   --localstatedir=*) local_statedir="$optarg"
 974   ;;
 975   --firmwarepath=*) firmwarepath="$optarg"
 976   ;;
 977   --host=*|--build=*|\
 978   --disable-dependency-tracking|\
 979   --sbindir=*|--sharedstatedir=*|\
 980   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 981   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 982     # These switches are silently ignored, for compatibility with
 983     # autoconf-generated configure scripts. This allows QEMU's
 984     # configure to be used by RPM and similar macros that set
 985     # lots of directory switches by default.
 986   ;;
 987   --disable-sdl) sdl="disabled"
 988   ;;
 989   --enable-sdl) sdl="enabled"
 990   ;;
 991   --disable-sdl-image) sdl_image="disabled"
 992   ;;
 993   --enable-sdl-image) sdl_image="enabled"
 994   ;;
 995   --disable-qom-cast-debug) qom_cast_debug="no"
 996   ;;
 997   --enable-qom-cast-debug) qom_cast_debug="yes"
 998   ;;
 999   --disable-virtfs) virtfs="no"
1000   ;;
1001   --enable-virtfs) virtfs="yes"
1002   ;;
1003   --disable-mpath) mpath="disabled"
1004   ;;
1005   --enable-mpath) mpath="enabled"
1006   ;;
1007   --disable-vnc) vnc="disabled"
1008   ;;
1009   --enable-vnc) vnc="enabled"
1010   ;;
1011   --disable-gettext) gettext="false"
1012   ;;
1013   --enable-gettext) gettext="true"
1014   ;;
1015   --oss-lib=*) oss_lib="$optarg"
1016   ;;
1017   --audio-drv-list=*) audio_drv_list="$optarg"
1018   ;;
1019   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1020   ;;
1021   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
1022   ;;
1023   --enable-debug-tcg) debug_tcg="yes"
1024   ;;
1025   --disable-debug-tcg) debug_tcg="no"
1026   ;;
1027   --enable-debug)
1028       # Enable debugging options that aren't excessively noisy
1029       debug_tcg="yes"
1030       debug_mutex="yes"
1031       debug="yes"
1032       strip_opt="no"
1033       fortify_source="no"
1034   ;;
1035   --enable-sanitizers) sanitizers="yes"
1036   ;;
1037   --disable-sanitizers) sanitizers="no"
1038   ;;
1039   --enable-tsan) tsan="yes"
1040   ;;
1041   --disable-tsan) tsan="no"
1042   ;;
1043   --enable-sparse) sparse="enabled"
1044   ;;
1045   --disable-sparse) sparse="disabled"
1046   ;;
1047   --disable-strip) strip_opt="no"
1048   ;;
1049   --disable-vnc-sasl) vnc_sasl="disabled"
1050   ;;
1051   --enable-vnc-sasl) vnc_sasl="enabled"
1052   ;;
1053   --disable-vnc-jpeg) vnc_jpeg="disabled"
1054   ;;
1055   --enable-vnc-jpeg) vnc_jpeg="enabled"
1056   ;;
1057   --disable-vnc-png) vnc_png="disabled"
1058   ;;
1059   --enable-vnc-png) vnc_png="enabled"
1060   ;;
1061   --disable-slirp) slirp="no"
1062   ;;
1063   --enable-slirp=git) slirp="git"
1064   ;;
1065   --enable-slirp=system) slirp="system"
1066   ;;
1067   --disable-vde) vde="no"
1068   ;;
1069   --enable-vde) vde="yes"
1070   ;;
1071   --disable-netmap) netmap="no"
1072   ;;
1073   --enable-netmap) netmap="yes"
1074   ;;
1075   --disable-xen) xen="disabled"
1076   ;;
1077   --enable-xen) xen="enabled"
1078   ;;
1079   --disable-xen-pci-passthrough) xen_pci_passthrough="disabled"
1080   ;;
1081   --enable-xen-pci-passthrough) xen_pci_passthrough="enabled"
1082   ;;
1083   --disable-brlapi) brlapi="no"
1084   ;;
1085   --enable-brlapi) brlapi="yes"
1086   ;;
1087   --disable-kvm) kvm="disabled"
1088   ;;
1089   --enable-kvm) kvm="enabled"
1090   ;;
1091   --disable-hax) hax="disabled"
1092   ;;
1093   --enable-hax) hax="enabled"
1094   ;;
1095   --disable-hvf) hvf="disabled"
1096   ;;
1097   --enable-hvf) hvf="enabled"
1098   ;;
1099   --disable-whpx) whpx="disabled"
1100   ;;
1101   --enable-whpx) whpx="enabled"
1102   ;;
1103   --disable-tcg-interpreter) tcg_interpreter="no"
1104   ;;
1105   --enable-tcg-interpreter) tcg_interpreter="yes"
1106   ;;
1107   --disable-cap-ng)  cap_ng="no"
1108   ;;
1109   --enable-cap-ng) cap_ng="yes"
1110   ;;
1111   --disable-tcg) tcg="disabled"
1112   ;;
1113   --enable-tcg) tcg="enabled"
1114   ;;
1115   --disable-malloc-trim) malloc_trim="disabled"
1116   ;;
1117   --enable-malloc-trim) malloc_trim="enabled"
1118   ;;
1119   --disable-spice) spice="no"
1120   ;;
1121   --enable-spice) spice="yes"
1122   ;;
1123   --disable-libiscsi) libiscsi="no"
1124   ;;
1125   --enable-libiscsi) libiscsi="yes"
1126   ;;
1127   --disable-libnfs) libnfs="no"
1128   ;;
1129   --enable-libnfs) libnfs="yes"
1130   ;;
1131   --enable-profiler) profiler="yes"
1132   ;;
1133   --disable-cocoa) cocoa="disabled"
1134   ;;
1135   --enable-cocoa)
1136       cocoa="enabled" ;
1137       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
1138   ;;
1139   --disable-system) softmmu="no"
1140   ;;
1141   --enable-system) softmmu="yes"
1142   ;;
1143   --disable-user)
1144       linux_user="no" ;
1145       bsd_user="no" ;
1146   ;;
1147   --enable-user) ;;
1148   --disable-linux-user) linux_user="no"
1149   ;;
1150   --enable-linux-user) linux_user="yes"
1151   ;;
1152   --disable-bsd-user) bsd_user="no"
1153   ;;
1154   --enable-bsd-user) bsd_user="yes"
1155   ;;
1156   --enable-pie) pie="yes"
1157   ;;
1158   --disable-pie) pie="no"
1159   ;;
1160   --enable-werror) werror="yes"
1161   ;;
1162   --disable-werror) werror="no"
1163   ;;
1164   --enable-stack-protector) stack_protector="yes"
1165   ;;
1166   --disable-stack-protector) stack_protector="no"
1167   ;;
1168   --enable-safe-stack) safe_stack="yes"
1169   ;;
1170   --disable-safe-stack) safe_stack="no"
1171   ;;
1172   --disable-curses) curses="no"
1173   ;;
1174   --enable-curses) curses="yes"
1175   ;;
1176   --disable-iconv) iconv="no"
1177   ;;
1178   --enable-iconv) iconv="yes"
1179   ;;
1180   --disable-curl) curl="no"
1181   ;;
1182   --enable-curl) curl="yes"
1183   ;;
1184   --disable-fdt) fdt="no"
1185   ;;
1186   --enable-fdt) fdt="yes"
1187   ;;
1188   --disable-linux-aio) linux_aio="no"
1189   ;;
1190   --enable-linux-aio) linux_aio="yes"
1191   ;;
1192   --disable-linux-io-uring) linux_io_uring="no"
1193   ;;
1194   --enable-linux-io-uring) linux_io_uring="yes"
1195   ;;
1196   --disable-attr) attr="no"
1197   ;;
1198   --enable-attr) attr="yes"
1199   ;;
1200   --disable-membarrier) membarrier="no"
1201   ;;
1202   --enable-membarrier) membarrier="yes"
1203   ;;
1204   --disable-blobs) blobs="no"
1205   ;;
1206   --with-pkgversion=*) pkgversion="$optarg"
1207   ;;
1208   --with-coroutine=*) coroutine="$optarg"
1209   ;;
1210   --disable-coroutine-pool) coroutine_pool="no"
1211   ;;
1212   --enable-coroutine-pool) coroutine_pool="yes"
1213   ;;
1214   --enable-debug-stack-usage) debug_stack_usage="yes"
1215   ;;
1216   --enable-crypto-afalg) crypto_afalg="yes"
1217   ;;
1218   --disable-crypto-afalg) crypto_afalg="no"
1219   ;;
1220   --disable-docs) docs="no"
1221   ;;
1222   --enable-docs) docs="yes"
1223   ;;
1224   --disable-vhost-net) vhost_net="no"
1225   ;;
1226   --enable-vhost-net) vhost_net="yes"
1227   ;;
1228   --disable-vhost-crypto) vhost_crypto="no"
1229   ;;
1230   --enable-vhost-crypto) vhost_crypto="yes"
1231   ;;
1232   --disable-vhost-scsi) vhost_scsi="no"
1233   ;;
1234   --enable-vhost-scsi) vhost_scsi="yes"
1235   ;;
1236   --disable-vhost-vsock) vhost_vsock="no"
1237   ;;
1238   --enable-vhost-vsock) vhost_vsock="yes"
1239   ;;
1240   --disable-vhost-user-fs) vhost_user_fs="no"
1241   ;;
1242   --enable-vhost-user-fs) vhost_user_fs="yes"
1243   ;;
1244   --disable-opengl) opengl="no"
1245   ;;
1246   --enable-opengl) opengl="yes"
1247   ;;
1248   --disable-rbd) rbd="no"
1249   ;;
1250   --enable-rbd) rbd="yes"
1251   ;;
1252   --disable-xfsctl) xfs="no"
1253   ;;
1254   --enable-xfsctl) xfs="yes"
1255   ;;
1256   --disable-smartcard) smartcard="no"
1257   ;;
1258   --enable-smartcard) smartcard="yes"
1259   ;;
1260   --disable-u2f) u2f="disabled"
1261   ;;
1262   --enable-u2f) u2f="enabled"
1263   ;;
1264   --disable-libusb) libusb="no"
1265   ;;
1266   --enable-libusb) libusb="yes"
1267   ;;
1268   --disable-usb-redir) usb_redir="no"
1269   ;;
1270   --enable-usb-redir) usb_redir="yes"
1271   ;;
1272   --disable-zlib-test)
1273   ;;
1274   --disable-lzo) lzo="no"
1275   ;;
1276   --enable-lzo) lzo="yes"
1277   ;;
1278   --disable-snappy) snappy="no"
1279   ;;
1280   --enable-snappy) snappy="yes"
1281   ;;
1282   --disable-bzip2) bzip2="no"
1283   ;;
1284   --enable-bzip2) bzip2="yes"
1285   ;;
1286   --enable-lzfse) lzfse="yes"
1287   ;;
1288   --disable-lzfse) lzfse="no"
1289   ;;
1290   --disable-zstd) zstd="no"
1291   ;;
1292   --enable-zstd) zstd="yes"
1293   ;;
1294   --enable-guest-agent) guest_agent="yes"
1295   ;;
1296   --disable-guest-agent) guest_agent="no"
1297   ;;
1298   --enable-guest-agent-msi) guest_agent_msi="yes"
1299   ;;
1300   --disable-guest-agent-msi) guest_agent_msi="no"
1301   ;;
1302   --with-vss-sdk) vss_win32_sdk=""
1303   ;;
1304   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1305   ;;
1306   --without-vss-sdk) vss_win32_sdk="no"
1307   ;;
1308   --with-win-sdk) win_sdk=""
1309   ;;
1310   --with-win-sdk=*) win_sdk="$optarg"
1311   ;;
1312   --without-win-sdk) win_sdk="no"
1313   ;;
1314   --enable-tools) want_tools="yes"
1315   ;;
1316   --disable-tools) want_tools="no"
1317   ;;
1318   --enable-seccomp) seccomp="yes"
1319   ;;
1320   --disable-seccomp) seccomp="no"
1321   ;;
1322   --disable-glusterfs) glusterfs="no"
1323   ;;
1324   --disable-avx2) avx2_opt="no"
1325   ;;
1326   --enable-avx2) avx2_opt="yes"
1327   ;;
1328   --disable-avx512f) avx512f_opt="no"
1329   ;;
1330   --enable-avx512f) avx512f_opt="yes"
1331   ;;
1332
1333   --enable-glusterfs) glusterfs="yes"
1334   ;;
1335   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1336       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1337   ;;
1338   --enable-vhdx|--disable-vhdx)
1339       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1340   ;;
1341   --enable-uuid|--disable-uuid)
1342       echo "$0: $opt is obsolete, UUID support is always built" >&2
1343   ;;
1344   --disable-gtk) gtk="no"
1345   ;;
1346   --enable-gtk) gtk="yes"
1347   ;;
1348   --tls-priority=*) tls_priority="$optarg"
1349   ;;
1350   --disable-gnutls) gnutls="no"
1351   ;;
1352   --enable-gnutls) gnutls="yes"
1353   ;;
1354   --disable-nettle) nettle="no"
1355   ;;
1356   --enable-nettle) nettle="yes"
1357   ;;
1358   --disable-gcrypt) gcrypt="no"
1359   ;;
1360   --enable-gcrypt) gcrypt="yes"
1361   ;;
1362   --disable-auth-pam) auth_pam="no"
1363   ;;
1364   --enable-auth-pam) auth_pam="yes"
1365   ;;
1366   --enable-rdma) rdma="yes"
1367   ;;
1368   --disable-rdma) rdma="no"
1369   ;;
1370   --enable-pvrdma) pvrdma="yes"
1371   ;;
1372   --disable-pvrdma) pvrdma="no"
1373   ;;
1374   --disable-vte) vte="no"
1375   ;;
1376   --enable-vte) vte="yes"
1377   ;;
1378   --disable-virglrenderer) virglrenderer="no"
1379   ;;
1380   --enable-virglrenderer) virglrenderer="yes"
1381   ;;
1382   --disable-tpm) tpm="no"
1383   ;;
1384   --enable-tpm) tpm="yes"
1385   ;;
1386   --disable-libssh) libssh="no"
1387   ;;
1388   --enable-libssh) libssh="yes"
1389   ;;
1390   --disable-live-block-migration) live_block_migration="no"
1391   ;;
1392   --enable-live-block-migration) live_block_migration="yes"
1393   ;;
1394   --disable-numa) numa="no"
1395   ;;
1396   --enable-numa) numa="yes"
1397   ;;
1398   --disable-libxml2) libxml2="no"
1399   ;;
1400   --enable-libxml2) libxml2="yes"
1401   ;;
1402   --disable-tcmalloc) tcmalloc="no"
1403   ;;
1404   --enable-tcmalloc) tcmalloc="yes"
1405   ;;
1406   --disable-jemalloc) jemalloc="no"
1407   ;;
1408   --enable-jemalloc) jemalloc="yes"
1409   ;;
1410   --disable-replication) replication="no"
1411   ;;
1412   --enable-replication) replication="yes"
1413   ;;
1414   --disable-bochs) bochs="no"
1415   ;;
1416   --enable-bochs) bochs="yes"
1417   ;;
1418   --disable-cloop) cloop="no"
1419   ;;
1420   --enable-cloop) cloop="yes"
1421   ;;
1422   --disable-dmg) dmg="no"
1423   ;;
1424   --enable-dmg) dmg="yes"
1425   ;;
1426   --disable-qcow1) qcow1="no"
1427   ;;
1428   --enable-qcow1) qcow1="yes"
1429   ;;
1430   --disable-vdi) vdi="no"
1431   ;;
1432   --enable-vdi) vdi="yes"
1433   ;;
1434   --disable-vvfat) vvfat="no"
1435   ;;
1436   --enable-vvfat) vvfat="yes"
1437   ;;
1438   --disable-qed) qed="no"
1439   ;;
1440   --enable-qed) qed="yes"
1441   ;;
1442   --disable-parallels) parallels="no"
1443   ;;
1444   --enable-parallels) parallels="yes"
1445   ;;
1446   --disable-sheepdog) sheepdog="no"
1447   ;;
1448   --enable-sheepdog) sheepdog="yes"
1449   ;;
1450   --disable-vhost-user) vhost_user="no"
1451   ;;
1452   --enable-vhost-user) vhost_user="yes"
1453   ;;
1454   --disable-vhost-vdpa) vhost_vdpa="no"
1455   ;;
1456   --enable-vhost-vdpa) vhost_vdpa="yes"
1457   ;;
1458   --disable-vhost-kernel) vhost_kernel="no"
1459   ;;
1460   --enable-vhost-kernel) vhost_kernel="yes"
1461   ;;
1462   --disable-capstone) capstone="disabled"
1463   ;;
1464   --enable-capstone) capstone="enabled"
1465   ;;
1466   --enable-capstone=git) capstone="internal"
1467   ;;
1468   --enable-capstone=system) capstone="system"
1469   ;;
1470   --with-git=*) git="$optarg"
1471   ;;
1472   --enable-git-update) git_update=yes
1473   ;;
1474   --disable-git-update) git_update=no
1475   ;;
1476   --enable-debug-mutex) debug_mutex=yes
1477   ;;
1478   --disable-debug-mutex) debug_mutex=no
1479   ;;
1480   --enable-libpmem) libpmem=yes
1481   ;;
1482   --disable-libpmem) libpmem=no
1483   ;;
1484   --enable-xkbcommon) xkbcommon="enabled"
1485   ;;
1486   --disable-xkbcommon) xkbcommon="disabled"
1487   ;;
1488   --enable-plugins) plugins="yes"
1489   ;;
1490   --disable-plugins) plugins="no"
1491   ;;
1492   --enable-containers) use_containers="yes"
1493   ;;
1494   --disable-containers) use_containers="no"
1495   ;;
1496   --enable-fuzzing) fuzzing=yes
1497   ;;
1498   --disable-fuzzing) fuzzing=no
1499   ;;
1500   --gdb=*) gdb_bin="$optarg"
1501   ;;
1502   --enable-rng-none) rng_none=yes
1503   ;;
1504   --disable-rng-none) rng_none=no
1505   ;;
1506   --enable-keyring) secret_keyring="yes"
1507   ;;
1508   --disable-keyring) secret_keyring="no"
1509   ;;
1510   --enable-libdaxctl) libdaxctl=yes
1511   ;;
1512   --disable-libdaxctl) libdaxctl=no
1513   ;;
1514   *)
1515       echo "ERROR: unknown option $opt"
1516       echo "Try '$0 --help' for more information"
1517       exit 1
1518   ;;
1519   esac
1520 done
1521
1522 firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}"
1523 libdir="${libdir:-$prefix/lib}"
1524 libexecdir="${libexecdir:-$prefix/libexec}"
1525 includedir="${includedir:-$prefix/include}"
1526
1527 if test "$mingw32" = "yes" ; then
1528     mandir="$prefix"
1529     datadir="$prefix"
1530     docdir="$prefix"
1531     bindir="$prefix"
1532     sysconfdir="$prefix"
1533     local_statedir=
1534 else
1535     mandir="${mandir:-$prefix/share/man}"
1536     datadir="${datadir:-$prefix/share}"
1537     docdir="${docdir:-$prefix/share/doc}"
1538     bindir="${bindir:-$prefix/bin}"
1539     sysconfdir="${sysconfdir:-$prefix/etc}"
1540     local_statedir="${local_statedir:-$prefix/var}"
1541 fi
1542
1543 case "$cpu" in
1544     ppc)
1545            CPU_CFLAGS="-m32"
1546            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1547            ;;
1548     ppc64)
1549            CPU_CFLAGS="-m64"
1550            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1551            ;;
1552     sparc)
1553            CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
1554            QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
1555            ;;
1556     sparc64)
1557            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1558            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1559            ;;
1560     s390)
1561            CPU_CFLAGS="-m31"
1562            QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
1563            ;;
1564     s390x)
1565            CPU_CFLAGS="-m64"
1566            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1567            ;;
1568     i386)
1569            CPU_CFLAGS="-m32"
1570            QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
1571            ;;
1572     x86_64)
1573            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1574            # If we truly care, we should simply detect this case at
1575            # runtime and generate the fallback to serial emulation.
1576            CPU_CFLAGS="-m64 -mcx16"
1577            QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
1578            ;;
1579     x32)
1580            CPU_CFLAGS="-mx32"
1581            QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
1582            ;;
1583     # No special flags required for other host CPUs
1584 esac
1585
1586 eval "cross_cc_${cpu}=\$host_cc"
1587 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"
1588 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1589
1590 # For user-mode emulation the host arch has to be one we explicitly
1591 # support, even if we're using TCI.
1592 if [ "$ARCH" = "unknown" ]; then
1593   bsd_user="no"
1594   linux_user="no"
1595 fi
1596
1597 default_target_list=""
1598 deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
1599 deprecated_features=""
1600 mak_wilds=""
1601
1602 if [ "$softmmu" = "yes" ]; then
1603     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak"
1604 fi
1605 if [ "$linux_user" = "yes" ]; then
1606     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak"
1607 fi
1608 if [ "$bsd_user" = "yes" ]; then
1609     mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak"
1610 fi
1611
1612 # If the user doesn't explicitly specify a deprecated target we will
1613 # skip it.
1614 if test -z "$target_list"; then
1615     if test -z "$target_list_exclude"; then
1616         target_list_exclude="$deprecated_targets_list"
1617     else
1618         target_list_exclude="$target_list_exclude,$deprecated_targets_list"
1619     fi
1620 fi
1621
1622 for config in $mak_wilds; do
1623     target="$(basename "$config" .mak)"
1624     if echo "$target_list_exclude" | grep -vq "$target"; then
1625         default_target_list="${default_target_list} $target"
1626     fi
1627 done
1628
1629 # Enumerate public trace backends for --help output
1630 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1631
1632 if test x"$show_help" = x"yes" ; then
1633 cat << EOF
1634
1635 Usage: configure [options]
1636 Options: [defaults in brackets after descriptions]
1637
1638 Standard options:
1639   --help                   print this message
1640   --prefix=PREFIX          install in PREFIX [$prefix]
1641   --interp-prefix=PREFIX   where to find shared libraries, etc.
1642                            use %M for cpu name [$interp_prefix]
1643   --target-list=LIST       set target list (default: build everything)
1644 $(echo Available targets: $default_target_list | \
1645   fold -s -w 53 | sed -e 's/^/                           /')
1646   --target-list-exclude=LIST exclude a set of targets from the default target-list
1647
1648 Advanced options (experts only):
1649   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1650   --cc=CC                  use C compiler CC [$cc]
1651   --iasl=IASL              use ACPI compiler IASL [$iasl]
1652   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1653                            build time
1654   --cxx=CXX                use C++ compiler CXX [$cxx]
1655   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1656   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1657   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS
1658   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1659   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
1660   --cross-cc-flags-ARCH=   use compiler flags when building ARCH guest tests
1661   --make=MAKE              use specified make [$make]
1662   --python=PYTHON          use specified python [$python]
1663   --sphinx-build=SPHINX    use specified sphinx-build [$sphinx_build]
1664   --meson=MESON            use specified meson [$meson]
1665   --ninja=NINJA            use specified ninja [$ninja]
1666   --smbd=SMBD              use specified smbd [$smbd]
1667   --with-git=GIT           use specified git [$git]
1668   --static                 enable static build [$static]
1669   --mandir=PATH            install man pages in PATH
1670   --datadir=PATH           install firmware in PATH/$qemu_suffix
1671   --docdir=PATH            install documentation in PATH/$qemu_suffix
1672   --bindir=PATH            install binaries in PATH
1673   --libdir=PATH            install libraries in PATH
1674   --libexecdir=PATH        install helper binaries in PATH
1675   --sysconfdir=PATH        install config in PATH/$qemu_suffix
1676   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1677   --firmwarepath=PATH      search PATH for firmware files
1678   --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
1679   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
1680   --with-pkgversion=VERS   use specified string as sub-version of the package
1681   --enable-debug           enable common debug build options
1682   --enable-sanitizers      enable default sanitizers
1683   --enable-tsan            enable thread sanitizer
1684   --disable-strip          disable stripping binaries
1685   --disable-werror         disable compilation abort on warning
1686   --disable-stack-protector disable compiler-provided stack protection
1687   --audio-drv-list=LIST    set audio drivers list:
1688                            Available drivers: $audio_possible_drivers
1689   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1690   --block-drv-rw-whitelist=L
1691                            set block driver read-write whitelist
1692                            (affects only QEMU, not qemu-img)
1693   --block-drv-ro-whitelist=L
1694                            set block driver read-only whitelist
1695                            (affects only QEMU, not qemu-img)
1696   --enable-trace-backends=B Set trace backend
1697                            Available backends: $trace_backend_list
1698   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1699                            Default:trace-<pid>
1700   --disable-slirp          disable SLIRP userspace network connectivity
1701   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1702   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
1703   --oss-lib                path to OSS library
1704   --cpu=CPU                Build for host CPU [$cpu]
1705   --with-coroutine=BACKEND coroutine backend. Supported options:
1706                            ucontext, sigaltstack, windows
1707   --enable-gcov            enable test coverage analysis with gcov
1708   --disable-blobs          disable installing provided firmware blobs
1709   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1710   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1711   --tls-priority           default TLS protocol/cipher priority string
1712   --enable-gprof           QEMU profiling with gprof
1713   --enable-profiler        profiler support
1714   --enable-debug-stack-usage
1715                            track the maximum stack usage of stacks created by qemu_alloc_stack
1716   --enable-plugins
1717                            enable plugins via shared library loading
1718   --disable-containers     don't use containers for cross-building
1719   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
1720
1721 Optional features, enabled with --enable-FEATURE and
1722 disabled with --disable-FEATURE, default is enabled if available:
1723
1724   system          all system emulation targets
1725   user            supported user emulation targets
1726   linux-user      all linux usermode emulation targets
1727   bsd-user        all BSD usermode emulation targets
1728   docs            build documentation
1729   guest-agent     build the QEMU Guest Agent
1730   guest-agent-msi build guest agent Windows MSI installation package
1731   pie             Position Independent Executables
1732   modules         modules support (non-Windows)
1733   module-upgrades try to load modules from alternate paths for upgrades
1734   debug-tcg       TCG debugging (default is disabled)
1735   debug-info      debugging information
1736   sparse          sparse checker
1737   safe-stack      SafeStack Stack Smash Protection. Depends on
1738                   clang/llvm >= 3.7 and requires coroutine backend ucontext.
1739
1740   gnutls          GNUTLS cryptography support
1741   nettle          nettle cryptography support
1742   gcrypt          libgcrypt cryptography support
1743   auth-pam        PAM access control
1744   sdl             SDL UI
1745   sdl-image       SDL Image support for icons
1746   gtk             gtk UI
1747   vte             vte support for the gtk UI
1748   curses          curses UI
1749   iconv           font glyph conversion support
1750   vnc             VNC UI support
1751   vnc-sasl        SASL encryption for VNC server
1752   vnc-jpeg        JPEG lossy compression for VNC server
1753   vnc-png         PNG compression for VNC server
1754   cocoa           Cocoa UI (Mac OS X only)
1755   virtfs          VirtFS
1756   mpath           Multipath persistent reservation passthrough
1757   xen             xen backend driver support
1758   xen-pci-passthrough    PCI passthrough support for Xen
1759   brlapi          BrlAPI (Braile)
1760   curl            curl connectivity
1761   membarrier      membarrier system call (for Linux 4.14+ or Windows)
1762   fdt             fdt device tree
1763   kvm             KVM acceleration support
1764   hax             HAX acceleration support
1765   hvf             Hypervisor.framework acceleration support
1766   whpx            Windows Hypervisor Platform acceleration support
1767   rdma            Enable RDMA-based migration
1768   pvrdma          Enable PVRDMA support
1769   vde             support for vde network
1770   netmap          support for netmap network
1771   linux-aio       Linux AIO support
1772   linux-io-uring  Linux io_uring support
1773   cap-ng          libcap-ng support
1774   attr            attr and xattr support
1775   vhost-net       vhost-net kernel acceleration support
1776   vhost-vsock     virtio sockets device support
1777   vhost-scsi      vhost-scsi kernel target support
1778   vhost-crypto    vhost-user-crypto backend support
1779   vhost-kernel    vhost kernel backend support
1780   vhost-user      vhost-user backend support
1781   vhost-vdpa      vhost-vdpa kernel backend support
1782   spice           spice
1783   rbd             rados block device (rbd)
1784   libiscsi        iscsi support
1785   libnfs          nfs support
1786   smartcard       smartcard support (libcacard)
1787   u2f             U2F support (u2f-emu)
1788   libusb          libusb (for usb passthrough)
1789   live-block-migration   Block migration in the main migration stream
1790   usb-redir       usb network redirection support
1791   lzo             support of lzo compression library
1792   snappy          support of snappy compression library
1793   bzip2           support of bzip2 compression library
1794                   (for reading bzip2-compressed dmg images)
1795   lzfse           support of lzfse compression library
1796                   (for reading lzfse-compressed dmg images)
1797   zstd            support for zstd compression library
1798                   (for migration compression and qcow2 cluster compression)
1799   seccomp         seccomp support
1800   coroutine-pool  coroutine freelist (better performance)
1801   glusterfs       GlusterFS backend
1802   tpm             TPM support
1803   libssh          ssh block device support
1804   numa            libnuma support
1805   libxml2         for Parallels image format
1806   tcmalloc        tcmalloc support
1807   jemalloc        jemalloc support
1808   avx2            AVX2 optimization support
1809   avx512f         AVX512F optimization support
1810   replication     replication support
1811   opengl          opengl support
1812   virglrenderer   virgl rendering support
1813   xfsctl          xfsctl support
1814   qom-cast-debug  cast debugging support
1815   tools           build qemu-io, qemu-nbd and qemu-img tools
1816   bochs           bochs image format support
1817   cloop           cloop image format support
1818   dmg             dmg image format support
1819   qcow1           qcow v1 image format support
1820   vdi             vdi image format support
1821   vvfat           vvfat image format support
1822   qed             qed image format support
1823   parallels       parallels image format support
1824   sheepdog        sheepdog block driver support
1825   crypto-afalg    Linux AF_ALG crypto backend driver
1826   capstone        capstone disassembler support
1827   debug-mutex     mutex debugging support
1828   libpmem         libpmem support
1829   xkbcommon       xkbcommon support
1830   rng-none        dummy RNG, avoid using /dev/(u)random and getrandom()
1831   libdaxctl       libdaxctl support
1832
1833 NOTE: The object files are built at the place where configure is launched
1834 EOF
1835 exit 0
1836 fi
1837
1838 # Remove old dependency files to make sure that they get properly regenerated
1839 rm -f */config-devices.mak.d
1840
1841 if test -z "$python"
1842 then
1843     error_exit "Python not found. Use --python=/path/to/python"
1844 fi
1845
1846 # Note that if the Python conditional here evaluates True we will exit
1847 # with status 1 which is a shell 'false' value.
1848 if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1849   error_exit "Cannot use '$python', Python >= 3.6 is required." \
1850       "Use --python=/path/to/python to specify a supported Python."
1851 fi
1852
1853 # Preserve python version since some functionality is dependent on it
1854 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)
1855
1856 # Suppress writing compiled files
1857 python="$python -B"
1858
1859 if test -z "$meson"; then
1860     if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then
1861         meson=meson
1862     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
1863         meson=git
1864     elif test -e "${source_path}/meson/meson.py" ; then
1865         meson=internal
1866     else
1867         if test "$explicit_python" = yes; then
1868             error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1869         else
1870             error_exit "Meson not found.  Use --meson=/path/to/meson"
1871         fi
1872     fi
1873 else
1874     # Meson uses its own Python interpreter to invoke other Python scripts,
1875     # but the user wants to use the one they specified with --python.
1876     #
1877     # We do not want to override the distro Python interpreter (and sometimes
1878     # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1879     # just require --meson=git|internal together with --python.
1880     if test "$explicit_python" = yes; then
1881         case "$meson" in
1882             git | internal) ;;
1883             *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1884         esac
1885     fi
1886 fi
1887
1888 if test "$meson" = git; then
1889     git_submodules="${git_submodules} meson"
1890 fi
1891
1892 case "$meson" in
1893     git | internal)
1894         if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then
1895             error_exit "Python setuptools not found"
1896         fi
1897         meson="$python ${source_path}/meson/meson.py"
1898         ;;
1899     *) meson=$(command -v "$meson") ;;
1900 esac
1901
1902 # Probe for ninja (used for compdb)
1903
1904 if test -z "$ninja"; then
1905     for c in ninja ninja-build samu; do
1906         if has $c; then
1907             ninja=$(command -v "$c")
1908             break
1909         fi
1910     done
1911 fi
1912
1913 # Check that the C compiler works. Doing this here before testing
1914 # the host CPU ensures that we had a valid CC to autodetect the
1915 # $cpu var (and we should bail right here if that's not the case).
1916 # It also allows the help message to be printed without a CC.
1917 write_c_skeleton;
1918 if compile_object ; then
1919   : C compiler works ok
1920 else
1921     error_exit "\"$cc\" either does not exist or does not work"
1922 fi
1923 if ! compile_prog ; then
1924     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1925 fi
1926
1927 # Consult white-list to determine whether to enable werror
1928 # by default.  Only enable by default for git builds
1929 if test -z "$werror" ; then
1930     if test -e "$source_path/.git" && \
1931         { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1932         werror="yes"
1933     else
1934         werror="no"
1935     fi
1936 fi
1937
1938 if test "$bogus_os" = "yes"; then
1939     # Now that we know that we're not printing the help and that
1940     # the compiler works (so the results of the check_defines we used
1941     # to identify the OS are reliable), if we didn't recognize the
1942     # host OS we should stop now.
1943     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1944 fi
1945
1946 # Check whether the compiler matches our minimum requirements:
1947 cat > $TMPC << EOF
1948 #if defined(__clang_major__) && defined(__clang_minor__)
1949 # ifdef __apple_build_version__
1950 #  if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
1951 #   error You need at least XCode Clang v5.1 to compile QEMU
1952 #  endif
1953 # else
1954 #  if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
1955 #   error You need at least Clang v3.4 to compile QEMU
1956 #  endif
1957 # endif
1958 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
1959 # if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
1960 #  error You need at least GCC v4.8 to compile QEMU
1961 # endif
1962 #else
1963 # error You either need GCC or Clang to compiler QEMU
1964 #endif
1965 int main (void) { return 0; }
1966 EOF
1967 if ! compile_prog "" "" ; then
1968     error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)"
1969 fi
1970
1971 # Accumulate -Wfoo and -Wno-bar separately.
1972 # We will list all of the enable flags first, and the disable flags second.
1973 # Note that we do not add -Werror, because that would enable it for all
1974 # configure tests. If a configure test failed due to -Werror this would
1975 # just silently disable some features, so it's too error prone.
1976
1977 warn_flags=
1978 add_to warn_flags -Wold-style-declaration
1979 add_to warn_flags -Wold-style-definition
1980 add_to warn_flags -Wtype-limits
1981 add_to warn_flags -Wformat-security
1982 add_to warn_flags -Wformat-y2k
1983 add_to warn_flags -Winit-self
1984 add_to warn_flags -Wignored-qualifiers
1985 add_to warn_flags -Wempty-body
1986 add_to warn_flags -Wnested-externs
1987 add_to warn_flags -Wendif-labels
1988 add_to warn_flags -Wexpansion-to-defined
1989
1990 nowarn_flags=
1991 add_to nowarn_flags -Wno-initializer-overrides
1992 add_to nowarn_flags -Wno-missing-include-dirs
1993 add_to nowarn_flags -Wno-shift-negative-value
1994 add_to nowarn_flags -Wno-string-plus-int
1995 add_to nowarn_flags -Wno-typedef-redefinition
1996 add_to nowarn_flags -Wno-tautological-type-limit-compare
1997 add_to nowarn_flags -Wno-psabi
1998
1999 gcc_flags="$warn_flags $nowarn_flags"
2000
2001 cc_has_warning_flag() {
2002     write_c_skeleton;
2003
2004     # Use the positive sense of the flag when testing for -Wno-wombat
2005     # support (gcc will happily accept the -Wno- form of unknown
2006     # warning options).
2007     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
2008     compile_prog "-Werror $optflag" ""
2009 }
2010
2011 for flag in $gcc_flags; do
2012     if cc_has_warning_flag $flag ; then
2013         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2014     fi
2015 done
2016
2017 if test "$stack_protector" != "no"; then
2018   cat > $TMPC << EOF
2019 int main(int argc, char *argv[])
2020 {
2021     char arr[64], *p = arr, *c = argv[0];
2022     while (*c) {
2023         *p++ = *c++;
2024     }
2025     return 0;
2026 }
2027 EOF
2028   gcc_flags="-fstack-protector-strong -fstack-protector-all"
2029   sp_on=0
2030   for flag in $gcc_flags; do
2031     # We need to check both a compile and a link, since some compiler
2032     # setups fail only on a .c->.o compile and some only at link time
2033     if compile_object "-Werror $flag" &&
2034        compile_prog "-Werror $flag" ""; then
2035       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
2036       QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
2037       sp_on=1
2038       break
2039     fi
2040   done
2041   if test "$stack_protector" = yes; then
2042     if test $sp_on = 0; then
2043       error_exit "Stack protector not supported"
2044     fi
2045   fi
2046 fi
2047
2048 # Disable -Wmissing-braces on older compilers that warn even for
2049 # the "universal" C zero initializer {0}.
2050 cat > $TMPC << EOF
2051 struct {
2052   int a[2];
2053 } x = {0};
2054 EOF
2055 if compile_object "-Werror" "" ; then
2056   :
2057 else
2058   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
2059 fi
2060
2061 # Our module code doesn't support Windows
2062 if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
2063   error_exit "Modules are not available for Windows"
2064 fi
2065
2066 # module_upgrades is only reasonable if modules are enabled
2067 if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
2068   error_exit "Can't enable module-upgrades as Modules are not enabled"
2069 fi
2070
2071 # Static linking is not possible with modules or PIE
2072 if test "$static" = "yes" ; then
2073   if test "$modules" = "yes" ; then
2074     error_exit "static and modules are mutually incompatible"
2075   fi
2076 fi
2077
2078 # Unconditional check for compiler __thread support
2079   cat > $TMPC << EOF
2080 static __thread int tls_var;
2081 int main(void) { return tls_var; }
2082 EOF
2083
2084 if ! compile_prog "-Werror" "" ; then
2085     error_exit "Your compiler does not support the __thread specifier for " \
2086         "Thread-Local Storage (TLS). Please upgrade to a version that does."
2087 fi
2088
2089 cat > $TMPC << EOF
2090
2091 #ifdef __linux__
2092 #  define THREAD __thread
2093 #else
2094 #  define THREAD
2095 #endif
2096 static THREAD int tls_var;
2097 int main(void) { return tls_var; }
2098 EOF
2099
2100 # Check we support --no-pie first; we will need this for building ROMs.
2101 if compile_prog "-Werror -fno-pie" "-no-pie"; then
2102   CFLAGS_NOPIE="-fno-pie"
2103   LDFLAGS_NOPIE="-no-pie"
2104 fi
2105
2106 if test "$static" = "yes"; then
2107   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
2108     CFLAGS="-fPIE -DPIE $CFLAGS"
2109     QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
2110     pie="yes"
2111   elif test "$pie" = "yes"; then
2112     error_exit "-static-pie not available due to missing toolchain support"
2113   else
2114     QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
2115     pie="no"
2116   fi
2117 elif test "$pie" = "no"; then
2118   CFLAGS="$CFLAGS_NOPIE $CFLAGS"
2119   LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
2120 elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
2121   CFLAGS="-fPIE -DPIE $CFLAGS"
2122   LDFLAGS="-pie $LDFLAGS"
2123   pie="yes"
2124 elif test "$pie" = "yes"; then
2125   error_exit "PIE not available due to missing toolchain support"
2126 else
2127   echo "Disabling PIE due to missing toolchain support"
2128   pie="no"
2129 fi
2130
2131 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
2132 # The combination is known as "full relro", because .got.plt is read-only too.
2133 if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
2134   QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
2135 fi
2136
2137 ##########################################
2138 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
2139 # use i686 as default anyway, but for those that don't, an explicit
2140 # specification is necessary
2141
2142 if test "$cpu" = "i386"; then
2143   cat > $TMPC << EOF
2144 static int sfaa(int *ptr)
2145 {
2146   return __sync_fetch_and_and(ptr, 0);
2147 }
2148
2149 int main(void)
2150 {
2151   int val = 42;
2152   val = __sync_val_compare_and_swap(&val, 0, 1);
2153   sfaa(&val);
2154   return val;
2155 }
2156 EOF
2157   if ! compile_prog "" "" ; then
2158     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
2159   fi
2160 fi
2161
2162 #########################################
2163 # Solaris specific configure tool chain decisions
2164
2165 if test "$solaris" = "yes" ; then
2166   if has ar; then
2167     :
2168   else
2169     if test -f /usr/ccs/bin/ar ; then
2170       error_exit "No path includes ar" \
2171           "Add /usr/ccs/bin to your path and rerun configure"
2172     fi
2173     error_exit "No path includes ar"
2174   fi
2175 fi
2176
2177 if test -z "${target_list+xxx}" ; then
2178     default_targets=yes
2179     for target in $default_target_list; do
2180         target_list="$target_list $target"
2181     done
2182     target_list="${target_list# }"
2183 else
2184     default_targets=no
2185     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
2186     for target in $target_list; do
2187         # Check that we recognised the target name; this allows a more
2188         # friendly error message than if we let it fall through.
2189         case " $default_target_list " in
2190             *" $target "*)
2191                 ;;
2192             *)
2193                 error_exit "Unknown target name '$target'"
2194                 ;;
2195         esac
2196     done
2197 fi
2198
2199 for target in $target_list; do
2200     # if a deprecated target is enabled we note it here
2201     if echo "$deprecated_targets_list" | grep -q "$target"; then
2202         add_to deprecated_features $target
2203     fi
2204 done
2205
2206 # see if system emulation was really requested
2207 case " $target_list " in
2208   *"-softmmu "*) softmmu=yes
2209   ;;
2210   *) softmmu=no
2211   ;;
2212 esac
2213
2214 for target in $target_list; do
2215   case "$target" in
2216     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
2217       edk2_blobs="yes"
2218       ;;
2219   esac
2220 done
2221 # The EDK2 binaries are compressed with bzip2
2222 if test "$edk2_blobs" = "yes" && ! has bzip2; then
2223   error_exit "The bzip2 program is required for building QEMU"
2224 fi
2225
2226 feature_not_found() {
2227   feature=$1
2228   remedy=$2
2229
2230   error_exit "User requested feature $feature" \
2231       "configure was not able to find it." \
2232       "$remedy"
2233 }
2234
2235 # ---
2236 # big/little endian test
2237 cat > $TMPC << EOF
2238 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
2239 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
2240 extern int foo(short *, short *);
2241 int main(int argc, char *argv[]) {
2242     return foo(big_endian, little_endian);
2243 }
2244 EOF
2245
2246 if compile_object ; then
2247     if strings -a $TMPO | grep -q BiGeNdIaN ; then
2248         bigendian="yes"
2249     elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then
2250         bigendian="no"
2251     else
2252         echo big/little test failed
2253     fi
2254 else
2255     echo big/little test failed
2256 fi
2257
2258 ##########################################
2259 # system tools
2260 if test -z "$want_tools"; then
2261     if test "$softmmu" = "no"; then
2262         want_tools=no
2263     else
2264         want_tools=yes
2265     fi
2266 fi
2267
2268 ##########################################
2269 # cocoa implies not SDL or GTK
2270 # (the cocoa UI code currently assumes it is always the active UI
2271 # and doesn't interact well with other UI frontend code)
2272 if test "$cocoa" = "enabled"; then
2273     if test "$sdl" = "enabled"; then
2274         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
2275     fi
2276     if test "$gtk" = "yes"; then
2277         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
2278     fi
2279     gtk=no
2280     sdl=disabled
2281 fi
2282
2283 # Some versions of Mac OS X incorrectly define SIZE_MAX
2284 cat > $TMPC << EOF
2285 #include <stdint.h>
2286 #include <stdio.h>
2287 int main(int argc, char *argv[]) {
2288     return printf("%zu", SIZE_MAX);
2289 }
2290 EOF
2291 have_broken_size_max=no
2292 if ! compile_object -Werror ; then
2293     have_broken_size_max=yes
2294 fi
2295
2296 ##########################################
2297 # L2TPV3 probe
2298
2299 cat > $TMPC <<EOF
2300 #include <sys/socket.h>
2301 #include <linux/ip.h>
2302 int main(void) { return sizeof(struct mmsghdr); }
2303 EOF
2304 if compile_prog "" "" ; then
2305   l2tpv3=yes
2306 else
2307   l2tpv3=no
2308 fi
2309
2310 if check_include "pty.h" ; then
2311   pty_h=yes
2312 else
2313   pty_h=no
2314 fi
2315
2316 cat > $TMPC <<EOF
2317 #include <sys/mman.h>
2318 int main(int argc, char *argv[]) {
2319     return mlockall(MCL_FUTURE);
2320 }
2321 EOF
2322 if compile_prog "" "" ; then
2323   have_mlockall=yes
2324 else
2325   have_mlockall=no
2326 fi
2327
2328 #########################################
2329 # vhost interdependencies and host support
2330
2331 # vhost backends
2332 test "$vhost_user" = "" && vhost_user=yes
2333 if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
2334   error_exit "vhost-user isn't available on win32"
2335 fi
2336 test "$vhost_vdpa" = "" && vhost_vdpa=$linux
2337 if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
2338   error_exit "vhost-vdpa is only available on Linux"
2339 fi
2340 test "$vhost_kernel" = "" && vhost_kernel=$linux
2341 if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then
2342   error_exit "vhost-kernel is only available on Linux"
2343 fi
2344
2345 # vhost-kernel devices
2346 test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel
2347 if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then
2348   error_exit "--enable-vhost-scsi requires --enable-vhost-kernel"
2349 fi
2350 test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel
2351 if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then
2352   error_exit "--enable-vhost-vsock requires --enable-vhost-kernel"
2353 fi
2354
2355 # vhost-user backends
2356 test "$vhost_net_user" = "" && vhost_net_user=$vhost_user
2357 if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then
2358   error_exit "--enable-vhost-net-user requires --enable-vhost-user"
2359 fi
2360 test "$vhost_crypto" = "" && vhost_crypto=$vhost_user
2361 if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then
2362   error_exit "--enable-vhost-crypto requires --enable-vhost-user"
2363 fi
2364 test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user
2365 if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then
2366   error_exit "--enable-vhost-user-fs requires --enable-vhost-user"
2367 fi
2368 #vhost-vdpa backends
2369 test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa
2370 if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then
2371   error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa"
2372 fi
2373
2374 # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity
2375 if test "$vhost_net" = ""; then
2376   test "$vhost_net_user" = "yes" && vhost_net=yes
2377   test "$vhost_net_vdpa" = "yes" && vhost_net=yes
2378   test "$vhost_kernel" = "yes" && vhost_net=yes
2379 fi
2380
2381 ##########################################
2382 # MinGW / Mingw-w64 localtime_r/gmtime_r check
2383
2384 if test "$mingw32" = "yes"; then
2385     # Some versions of MinGW / Mingw-w64 lack localtime_r
2386     # and gmtime_r entirely.
2387     #
2388     # Some versions of Mingw-w64 define a macro for
2389     # localtime_r/gmtime_r.
2390     #
2391     # Some versions of Mingw-w64 will define functions
2392     # for localtime_r/gmtime_r, but only if you have
2393     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
2394     # though, unistd.h and pthread.h both define
2395     # that for you.
2396     #
2397     # So this #undef localtime_r and #include <unistd.h>
2398     # are not in fact redundant.
2399 cat > $TMPC << EOF
2400 #include <unistd.h>
2401 #include <time.h>
2402 #undef localtime_r
2403 int main(void) { localtime_r(NULL, NULL); return 0; }
2404 EOF
2405     if compile_prog "" "" ; then
2406         localtime_r="yes"
2407     else
2408         localtime_r="no"
2409     fi
2410 fi
2411
2412 ##########################################
2413 # pkg-config probe
2414
2415 if ! has "$pkg_config_exe"; then
2416   error_exit "pkg-config binary '$pkg_config_exe' not found"
2417 fi
2418
2419 ##########################################
2420 # NPTL probe
2421
2422 if test "$linux_user" = "yes"; then
2423   cat > $TMPC <<EOF
2424 #include <sched.h>
2425 #include <linux/futex.h>
2426 int main(void) {
2427 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
2428 #error bork
2429 #endif
2430   return 0;
2431 }
2432 EOF
2433   if ! compile_object ; then
2434     feature_not_found "nptl" "Install glibc and linux kernel headers."
2435   fi
2436 fi
2437
2438 ##########################################
2439 # lzo check
2440
2441 if test "$lzo" != "no" ; then
2442     cat > $TMPC << EOF
2443 #include <lzo/lzo1x.h>
2444 int main(void) { lzo_version(); return 0; }
2445 EOF
2446     if compile_prog "" "-llzo2" ; then
2447         lzo_libs="-llzo2"
2448         lzo="yes"
2449     else
2450         if test "$lzo" = "yes"; then
2451             feature_not_found "liblzo2" "Install liblzo2 devel"
2452         fi
2453         lzo="no"
2454     fi
2455 fi
2456
2457 ##########################################
2458 # snappy check
2459
2460 if test "$snappy" != "no" ; then
2461     cat > $TMPC << EOF
2462 #include <snappy-c.h>
2463 int main(void) { snappy_max_compressed_length(4096); return 0; }
2464 EOF
2465     if compile_prog "" "-lsnappy" ; then
2466         snappy_libs='-lsnappy'
2467         snappy="yes"
2468     else
2469         if test "$snappy" = "yes"; then
2470             feature_not_found "libsnappy" "Install libsnappy devel"
2471         fi
2472         snappy="no"
2473     fi
2474 fi
2475
2476 ##########################################
2477 # bzip2 check
2478
2479 if test "$bzip2" != "no" ; then
2480     cat > $TMPC << EOF
2481 #include <bzlib.h>
2482 int main(void) { BZ2_bzlibVersion(); return 0; }
2483 EOF
2484     if compile_prog "" "-lbz2" ; then
2485         bzip2="yes"
2486     else
2487         if test "$bzip2" = "yes"; then
2488             feature_not_found "libbzip2" "Install libbzip2 devel"
2489         fi
2490         bzip2="no"
2491     fi
2492 fi
2493
2494 ##########################################
2495 # lzfse check
2496
2497 if test "$lzfse" != "no" ; then
2498     cat > $TMPC << EOF
2499 #include <lzfse.h>
2500 int main(void) { lzfse_decode_scratch_size(); return 0; }
2501 EOF
2502     if compile_prog "" "-llzfse" ; then
2503         lzfse="yes"
2504     else
2505         if test "$lzfse" = "yes"; then
2506             feature_not_found "lzfse" "Install lzfse devel"
2507         fi
2508         lzfse="no"
2509     fi
2510 fi
2511
2512 ##########################################
2513 # zstd check
2514
2515 if test "$zstd" != "no" ; then
2516     libzstd_minver="1.4.0"
2517     if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
2518         zstd_cflags="$($pkg_config --cflags libzstd)"
2519         zstd_libs="$($pkg_config --libs libzstd)"
2520         zstd="yes"
2521     else
2522         if test "$zstd" = "yes" ; then
2523             feature_not_found "libzstd" "Install libzstd devel"
2524         fi
2525         zstd="no"
2526     fi
2527 fi
2528
2529 ##########################################
2530 # libseccomp check
2531
2532 if test "$seccomp" != "no" ; then
2533     libseccomp_minver="2.3.0"
2534     if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
2535         seccomp_cflags="$($pkg_config --cflags libseccomp)"
2536         seccomp_libs="$($pkg_config --libs libseccomp)"
2537         seccomp="yes"
2538     else
2539         if test "$seccomp" = "yes" ; then
2540             feature_not_found "libseccomp" \
2541                  "Install libseccomp devel >= $libseccomp_minver"
2542         fi
2543         seccomp="no"
2544     fi
2545 fi
2546
2547 ##########################################
2548 # xen probe
2549
2550 if test "$xen" != "disabled" ; then
2551   # Check whether Xen library path is specified via --extra-ldflags to avoid
2552   # overriding this setting with pkg-config output. If not, try pkg-config
2553   # to obtain all needed flags.
2554
2555   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2556      $pkg_config --exists xencontrol ; then
2557     xen_ctrl_version="$(printf '%d%02d%02d' \
2558       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2559     xen=enabled
2560     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2561     xen_pc="$xen_pc xenevtchn xendevicemodel"
2562     if $pkg_config --exists xentoolcore; then
2563       xen_pc="$xen_pc xentoolcore"
2564     fi
2565     xen_cflags="$($pkg_config --cflags $xen_pc)"
2566     xen_libs="$($pkg_config --libs $xen_pc)"
2567   else
2568
2569     xen_libs="-lxenstore -lxenctrl -lxenguest"
2570     xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
2571
2572     # First we test whether Xen headers and libraries are available.
2573     # If no, we are done and there is no Xen support.
2574     # If yes, more tests are run to detect the Xen version.
2575
2576     # Xen (any)
2577     cat > $TMPC <<EOF
2578 #include <xenctrl.h>
2579 int main(void) {
2580   return 0;
2581 }
2582 EOF
2583     if ! compile_prog "" "$xen_libs" ; then
2584       # Xen not found
2585       if test "$xen" = "enabled" ; then
2586         feature_not_found "xen" "Install xen devel"
2587       fi
2588       xen=disabled
2589
2590     # Xen unstable
2591     elif
2592         cat > $TMPC <<EOF &&
2593 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2594 #define __XEN_TOOLS__
2595 #include <xendevicemodel.h>
2596 #include <xenforeignmemory.h>
2597 int main(void) {
2598   xendevicemodel_handle *xd;
2599   xenforeignmemory_handle *xfmem;
2600
2601   xd = xendevicemodel_open(0, 0);
2602   xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
2603
2604   xfmem = xenforeignmemory_open(0, 0);
2605   xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
2606
2607   return 0;
2608 }
2609 EOF
2610         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2611       then
2612       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2613       xen_ctrl_version=41100
2614       xen=enabled
2615     elif
2616         cat > $TMPC <<EOF &&
2617 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2618 #include <xenforeignmemory.h>
2619 #include <xentoolcore.h>
2620 int main(void) {
2621   xenforeignmemory_handle *xfmem;
2622
2623   xfmem = xenforeignmemory_open(0, 0);
2624   xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
2625   xentoolcore_restrict_all(0);
2626
2627   return 0;
2628 }
2629 EOF
2630         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
2631       then
2632       xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
2633       xen_ctrl_version=41000
2634       xen=enabled
2635     elif
2636         cat > $TMPC <<EOF &&
2637 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2638 #define __XEN_TOOLS__
2639 #include <xendevicemodel.h>
2640 int main(void) {
2641   xendevicemodel_handle *xd;
2642
2643   xd = xendevicemodel_open(0, 0);
2644   xendevicemodel_close(xd);
2645
2646   return 0;
2647 }
2648 EOF
2649         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2650       then
2651       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2652       xen_ctrl_version=40900
2653       xen=enabled
2654     elif
2655         cat > $TMPC <<EOF &&
2656 /*
2657  * If we have stable libs the we don't want the libxc compat
2658  * layers, regardless of what CFLAGS we may have been given.
2659  *
2660  * Also, check if xengnttab_grant_copy_segment_t is defined and
2661  * grant copy operation is implemented.
2662  */
2663 #undef XC_WANT_COMPAT_EVTCHN_API
2664 #undef XC_WANT_COMPAT_GNTTAB_API
2665 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2666 #include <xenctrl.h>
2667 #include <xenstore.h>
2668 #include <xenevtchn.h>
2669 #include <xengnttab.h>
2670 #include <xenforeignmemory.h>
2671 #include <stdint.h>
2672 #include <xen/hvm/hvm_info_table.h>
2673 #if !defined(HVM_MAX_VCPUS)
2674 # error HVM_MAX_VCPUS not defined
2675 #endif
2676 int main(void) {
2677   xc_interface *xc = NULL;
2678   xenforeignmemory_handle *xfmem;
2679   xenevtchn_handle *xe;
2680   xengnttab_handle *xg;
2681   xengnttab_grant_copy_segment_t* seg = NULL;
2682
2683   xs_daemon_open();
2684
2685   xc = xc_interface_open(0, 0, 0);
2686   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2687   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2688   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2689   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2690
2691   xfmem = xenforeignmemory_open(0, 0);
2692   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2693
2694   xe = xenevtchn_open(0, 0);
2695   xenevtchn_fd(xe);
2696
2697   xg = xengnttab_open(0, 0);
2698   xengnttab_grant_copy(xg, 0, seg);
2699
2700   return 0;
2701 }
2702 EOF
2703         compile_prog "" "$xen_libs $xen_stable_libs"
2704       then
2705       xen_ctrl_version=40800
2706       xen=enabled
2707     elif
2708         cat > $TMPC <<EOF &&
2709 /*
2710  * If we have stable libs the we don't want the libxc compat
2711  * layers, regardless of what CFLAGS we may have been given.
2712  */
2713 #undef XC_WANT_COMPAT_EVTCHN_API
2714 #undef XC_WANT_COMPAT_GNTTAB_API
2715 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2716 #include <xenctrl.h>
2717 #include <xenstore.h>
2718 #include <xenevtchn.h>
2719 #include <xengnttab.h>
2720 #include <xenforeignmemory.h>
2721 #include <stdint.h>
2722 #include <xen/hvm/hvm_info_table.h>
2723 #if !defined(HVM_MAX_VCPUS)
2724 # error HVM_MAX_VCPUS not defined
2725 #endif
2726 int main(void) {
2727   xc_interface *xc = NULL;
2728   xenforeignmemory_handle *xfmem;
2729   xenevtchn_handle *xe;
2730   xengnttab_handle *xg;
2731
2732   xs_daemon_open();
2733
2734   xc = xc_interface_open(0, 0, 0);
2735   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2736   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2737   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2738   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2739
2740   xfmem = xenforeignmemory_open(0, 0);
2741   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2742
2743   xe = xenevtchn_open(0, 0);
2744   xenevtchn_fd(xe);
2745
2746   xg = xengnttab_open(0, 0);
2747   xengnttab_map_grant_ref(xg, 0, 0, 0);
2748
2749   return 0;
2750 }
2751 EOF
2752         compile_prog "" "$xen_libs $xen_stable_libs"
2753       then
2754       xen_ctrl_version=40701
2755       xen=enabled
2756
2757     # Xen 4.6
2758     elif
2759         cat > $TMPC <<EOF &&
2760 #include <xenctrl.h>
2761 #include <xenstore.h>
2762 #include <stdint.h>
2763 #include <xen/hvm/hvm_info_table.h>
2764 #if !defined(HVM_MAX_VCPUS)
2765 # error HVM_MAX_VCPUS not defined
2766 #endif
2767 int main(void) {
2768   xc_interface *xc;
2769   xs_daemon_open();
2770   xc = xc_interface_open(0, 0, 0);
2771   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2772   xc_gnttab_open(NULL, 0);
2773   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2774   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2775   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2776   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2777   return 0;
2778 }
2779 EOF
2780         compile_prog "" "$xen_libs"
2781       then
2782       xen_ctrl_version=40600
2783       xen=enabled
2784
2785     # Xen 4.5
2786     elif
2787         cat > $TMPC <<EOF &&
2788 #include <xenctrl.h>
2789 #include <xenstore.h>
2790 #include <stdint.h>
2791 #include <xen/hvm/hvm_info_table.h>
2792 #if !defined(HVM_MAX_VCPUS)
2793 # error HVM_MAX_VCPUS not defined
2794 #endif
2795 int main(void) {
2796   xc_interface *xc;
2797   xs_daemon_open();
2798   xc = xc_interface_open(0, 0, 0);
2799   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2800   xc_gnttab_open(NULL, 0);
2801   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2802   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2803   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2804   return 0;
2805 }
2806 EOF
2807         compile_prog "" "$xen_libs"
2808       then
2809       xen_ctrl_version=40500
2810       xen=enabled
2811
2812     elif
2813         cat > $TMPC <<EOF &&
2814 #include <xenctrl.h>
2815 #include <xenstore.h>
2816 #include <stdint.h>
2817 #include <xen/hvm/hvm_info_table.h>
2818 #if !defined(HVM_MAX_VCPUS)
2819 # error HVM_MAX_VCPUS not defined
2820 #endif
2821 int main(void) {
2822   xc_interface *xc;
2823   xs_daemon_open();
2824   xc = xc_interface_open(0, 0, 0);
2825   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2826   xc_gnttab_open(NULL, 0);
2827   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2828   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2829   return 0;
2830 }
2831 EOF
2832         compile_prog "" "$xen_libs"
2833       then
2834       xen_ctrl_version=40200
2835       xen=enabled
2836
2837     else
2838       if test "$xen" = "enabled" ; then
2839         feature_not_found "xen (unsupported version)" \
2840                           "Install a supported xen (xen 4.2 or newer)"
2841       fi
2842       xen=disabled
2843     fi
2844
2845     if test "$xen" = enabled; then
2846       if test $xen_ctrl_version -ge 40701  ; then
2847         xen_libs="$xen_libs $xen_stable_libs "
2848       fi
2849     fi
2850   fi
2851 fi
2852
2853 if test "$xen_pci_passthrough" != "disabled"; then
2854   if test "$xen" = "enabled" && test "$linux" = "yes"; then
2855     xen_pci_passthrough=enabled
2856   else
2857     if test "$xen_pci_passthrough" = "enabled"; then
2858       error_exit "User requested feature Xen PCI Passthrough" \
2859           " but this feature requires /sys from Linux"
2860     fi
2861     xen_pci_passthrough=disabled
2862   fi
2863 fi
2864
2865 ##########################################
2866 # gettext probe
2867 if test "$gettext" != "false" ; then
2868   if has xgettext; then
2869     gettext=true
2870   else
2871     if test "$gettext" = "true" ; then
2872       feature_not_found "gettext" "Install xgettext binary"
2873     fi
2874     gettext=false
2875   fi
2876 fi
2877
2878 ##########################################
2879 # X11 probe
2880 if $pkg_config --exists "x11"; then
2881     have_x11=yes
2882     x11_cflags=$($pkg_config --cflags x11)
2883     x11_libs=$($pkg_config --libs x11)
2884 fi
2885
2886 ##########################################
2887 # GTK probe
2888
2889 if test "$gtk" != "no"; then
2890     gtkpackage="gtk+-3.0"
2891     gtkx11package="gtk+-x11-3.0"
2892     gtkversion="3.22.0"
2893     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2894         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2895         gtk_libs=$($pkg_config --libs $gtkpackage)
2896         gtk_version=$($pkg_config --modversion $gtkpackage)
2897         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2898             need_x11=yes
2899             gtk_cflags="$gtk_cflags $x11_cflags"
2900             gtk_libs="$gtk_libs $x11_libs"
2901         fi
2902         gtk="yes"
2903     elif test "$gtk" = "yes"; then
2904         feature_not_found "gtk" "Install gtk3-devel"
2905     else
2906         gtk="no"
2907     fi
2908 fi
2909
2910
2911 ##########################################
2912 # GNUTLS probe
2913
2914 if test "$gnutls" != "no"; then
2915     pass="no"
2916     if $pkg_config --exists "gnutls >= 3.1.18"; then
2917         gnutls_cflags=$($pkg_config --cflags gnutls)
2918         gnutls_libs=$($pkg_config --libs gnutls)
2919         # Packaging for the static libraries is not always correct.
2920         # At least ubuntu 18.04 ships only shared libraries.
2921         write_c_skeleton
2922         if compile_prog "" "$gnutls_libs" ; then
2923             pass="yes"
2924         fi
2925     fi
2926     if test "$pass" = "no" && test "$gnutls" = "yes"; then
2927         feature_not_found "gnutls" "Install gnutls devel >= 3.1.18"
2928     else
2929         gnutls="$pass"
2930     fi
2931 fi
2932
2933
2934 # If user didn't give a --disable/enable-gcrypt flag,
2935 # then mark as disabled if user requested nettle
2936 # explicitly
2937 if test -z "$gcrypt"
2938 then
2939     if test "$nettle" = "yes"
2940     then
2941         gcrypt="no"
2942     fi
2943 fi
2944
2945 # If user didn't give a --disable/enable-nettle flag,
2946 # then mark as disabled if user requested gcrypt
2947 # explicitly
2948 if test -z "$nettle"
2949 then
2950     if test "$gcrypt" = "yes"
2951     then
2952         nettle="no"
2953     fi
2954 fi
2955
2956 has_libgcrypt() {
2957     if ! has "libgcrypt-config"
2958     then
2959         return 1
2960     fi
2961
2962     if test -n "$cross_prefix"
2963     then
2964         host=$(libgcrypt-config --host)
2965         if test "$host-" != $cross_prefix
2966         then
2967             return 1
2968         fi
2969     fi
2970
2971     maj=`libgcrypt-config --version | awk -F . '{print $1}'`
2972     min=`libgcrypt-config --version | awk -F . '{print $2}'`
2973
2974     if test $maj != 1 || test $min -lt 5
2975     then
2976        return 1
2977     fi
2978
2979     return 0
2980 }
2981
2982
2983 if test "$nettle" != "no"; then
2984     pass="no"
2985     if $pkg_config --exists "nettle >= 2.7.1"; then
2986         nettle_cflags=$($pkg_config --cflags nettle)
2987         nettle_libs=$($pkg_config --libs nettle)
2988         nettle_version=$($pkg_config --modversion nettle)
2989         # Link test to make sure the given libraries work (e.g for static).
2990         write_c_skeleton
2991         if compile_prog "" "$nettle_libs" ; then
2992             if test -z "$gcrypt"; then
2993                gcrypt="no"
2994             fi
2995             pass="yes"
2996         fi
2997     fi
2998     if test "$pass" = "yes"
2999     then
3000         cat > $TMPC << EOF
3001 #include <nettle/xts.h>
3002 int main(void) {
3003   return 0;
3004 }
3005 EOF
3006         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
3007             nettle_xts=yes
3008             qemu_private_xts=no
3009         fi
3010     fi
3011     if test "$pass" = "no" && test "$nettle" = "yes"; then
3012         feature_not_found "nettle" "Install nettle devel >= 2.7.1"
3013     else
3014         nettle="$pass"
3015     fi
3016 fi
3017
3018 if test "$gcrypt" != "no"; then
3019     pass="no"
3020     if has_libgcrypt; then
3021         gcrypt_cflags=$(libgcrypt-config --cflags)
3022         gcrypt_libs=$(libgcrypt-config --libs)
3023         # Debian has removed -lgpg-error from libgcrypt-config
3024         # as it "spreads unnecessary dependencies" which in
3025         # turn breaks static builds...
3026         if test "$static" = "yes"
3027         then
3028             gcrypt_libs="$gcrypt_libs -lgpg-error"
3029         fi
3030
3031         # Link test to make sure the given libraries work (e.g for static).
3032         write_c_skeleton
3033         if compile_prog "" "$gcrypt_libs" ; then
3034             pass="yes"
3035         fi
3036     fi
3037     if test "$pass" = "yes"; then
3038         gcrypt="yes"
3039         cat > $TMPC << EOF
3040 #include <gcrypt.h>
3041 int main(void) {
3042   gcry_mac_hd_t handle;
3043   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
3044                 GCRY_MAC_FLAG_SECURE, NULL);
3045   return 0;
3046 }
3047 EOF
3048         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3049             gcrypt_hmac=yes
3050         fi
3051         cat > $TMPC << EOF
3052 #include <gcrypt.h>
3053 int main(void) {
3054   gcry_cipher_hd_t handle;
3055   gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
3056   return 0;
3057 }
3058 EOF
3059         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
3060             gcrypt_xts=yes
3061             qemu_private_xts=no
3062         fi
3063     elif test "$gcrypt" = "yes"; then
3064         feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0"
3065     else
3066         gcrypt="no"
3067     fi
3068 fi
3069
3070
3071 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
3072 then
3073     error_exit "Only one of gcrypt & nettle can be enabled"
3074 fi
3075
3076 ##########################################
3077 # libtasn1 - only for the TLS creds/session test suite
3078
3079 tasn1=yes
3080 tasn1_cflags=""
3081 tasn1_libs=""
3082 if $pkg_config --exists "libtasn1"; then
3083     tasn1_cflags=$($pkg_config --cflags libtasn1)
3084     tasn1_libs=$($pkg_config --libs libtasn1)
3085 else
3086     tasn1=no
3087 fi
3088
3089
3090 ##########################################
3091 # PAM probe
3092
3093 if test "$auth_pam" != "no"; then
3094     cat > $TMPC <<EOF
3095 #include <security/pam_appl.h>
3096 #include <stdio.h>
3097 int main(void) {
3098    const char *service_name = "qemu";
3099    const char *user = "frank";
3100    const struct pam_conv pam_conv = { 0 };
3101    pam_handle_t *pamh = NULL;
3102    pam_start(service_name, user, &pam_conv, &pamh);
3103    return 0;
3104 }
3105 EOF
3106     if compile_prog "" "-lpam" ; then
3107         auth_pam=yes
3108     else
3109         if test "$auth_pam" = "yes"; then
3110             feature_not_found "PAM" "Install PAM development package"
3111         else
3112             auth_pam=no
3113         fi
3114     fi
3115 fi
3116
3117 ##########################################
3118 # getifaddrs (for tests/test-io-channel-socket )
3119
3120 have_ifaddrs_h=yes
3121 if ! check_include "ifaddrs.h" ; then
3122   have_ifaddrs_h=no
3123 fi
3124
3125 #########################################
3126 # libdrm check
3127 have_drm_h=no
3128 if check_include "libdrm/drm.h" ; then
3129     have_drm_h=yes
3130 fi
3131
3132 #########################################
3133 # sys/signal.h check
3134 have_sys_signal_h=no
3135 if check_include "sys/signal.h" ; then
3136   have_sys_signal_h=yes
3137 fi
3138
3139 ##########################################
3140 # VTE probe
3141
3142 if test "$vte" != "no"; then
3143     vteminversion="0.32.0"
3144     if $pkg_config --exists "vte-2.91"; then
3145       vtepackage="vte-2.91"
3146     else
3147       vtepackage="vte-2.90"
3148     fi
3149     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
3150         vte_cflags=$($pkg_config --cflags $vtepackage)
3151         vte_libs=$($pkg_config --libs $vtepackage)
3152         vteversion=$($pkg_config --modversion $vtepackage)
3153         vte="yes"
3154     elif test "$vte" = "yes"; then
3155         feature_not_found "vte" "Install libvte-2.90/2.91 devel"
3156     else
3157         vte="no"
3158     fi
3159 fi
3160
3161 ##########################################
3162 # RDMA needs OpenFabrics libraries
3163 if test "$rdma" != "no" ; then
3164   cat > $TMPC <<EOF
3165 #include <rdma/rdma_cma.h>
3166 int main(void) { return 0; }
3167 EOF
3168   rdma_libs="-lrdmacm -libverbs -libumad"
3169   if compile_prog "" "$rdma_libs" ; then
3170     rdma="yes"
3171   else
3172     if test "$rdma" = "yes" ; then
3173         error_exit \
3174             " OpenFabrics librdmacm/libibverbs/libibumad not present." \
3175             " Your options:" \
3176             "  (1) Fast: Install infiniband packages (devel) from your distro." \
3177             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
3178             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
3179     fi
3180     rdma="no"
3181   fi
3182 fi
3183
3184 ##########################################
3185 # PVRDMA detection
3186
3187 cat > $TMPC <<EOF &&
3188 #include <sys/mman.h>
3189
3190 int
3191 main(void)
3192 {
3193     char buf = 0;
3194     void *addr = &buf;
3195     addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
3196
3197     return 0;
3198 }
3199 EOF
3200
3201 if test "$rdma" = "yes" ; then
3202     case "$pvrdma" in
3203     "")
3204         if compile_prog "" ""; then
3205             pvrdma="yes"
3206         else
3207             pvrdma="no"
3208         fi
3209         ;;
3210     "yes")
3211         if ! compile_prog "" ""; then
3212             error_exit "PVRDMA is not supported since mremap is not implemented"
3213         fi
3214         pvrdma="yes"
3215         ;;
3216     "no")
3217         pvrdma="no"
3218         ;;
3219     esac
3220 else
3221     if test "$pvrdma" = "yes" ; then
3222         error_exit "PVRDMA requires rdma suppport"
3223     fi
3224     pvrdma="no"
3225 fi
3226
3227 # Let's see if enhanced reg_mr is supported
3228 if test "$pvrdma" = "yes" ; then
3229
3230 cat > $TMPC <<EOF &&
3231 #include <infiniband/verbs.h>
3232
3233 int
3234 main(void)
3235 {
3236     struct ibv_mr *mr;
3237     struct ibv_pd *pd = NULL;
3238     size_t length = 10;
3239     uint64_t iova = 0;
3240     int access = 0;
3241     void *addr = NULL;
3242
3243     mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
3244
3245     ibv_dereg_mr(mr);
3246
3247     return 0;
3248 }
3249 EOF
3250     if ! compile_prog "" "-libverbs"; then
3251         QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
3252     fi
3253 fi
3254
3255 ##########################################
3256 # xfsctl() probe, used for file-posix.c
3257 if test "$xfs" != "no" ; then
3258   cat > $TMPC << EOF
3259 #include <stddef.h>  /* NULL */
3260 #include <xfs/xfs.h>
3261 int main(void)
3262 {
3263     xfsctl(NULL, 0, 0, NULL);
3264     return 0;
3265 }
3266 EOF
3267   if compile_prog "" "" ; then
3268     xfs="yes"
3269   else
3270     if test "$xfs" = "yes" ; then
3271       feature_not_found "xfs" "Install xfsprogs/xfslibs devel"
3272     fi
3273     xfs=no
3274   fi
3275 fi
3276
3277 ##########################################
3278 # vde libraries probe
3279 if test "$vde" != "no" ; then
3280   vde_libs="-lvdeplug"
3281   cat > $TMPC << EOF
3282 #include <libvdeplug.h>
3283 int main(void)
3284 {
3285     struct vde_open_args a = {0, 0, 0};
3286     char s[] = "";
3287     vde_open(s, s, &a);
3288     return 0;
3289 }
3290 EOF
3291   if compile_prog "" "$vde_libs" ; then
3292     vde=yes
3293   else
3294     if test "$vde" = "yes" ; then
3295       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
3296     fi
3297     vde=no
3298   fi
3299 fi
3300
3301 ##########################################
3302 # netmap support probe
3303 # Apart from looking for netmap headers, we make sure that the host API version
3304 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
3305 # a minor/major version number. Minor new features will be marked with values up
3306 # to 15, and if something happens that requires a change to the backend we will
3307 # move above 15, submit the backend fixes and modify this two bounds.
3308 if test "$netmap" != "no" ; then
3309   cat > $TMPC << EOF
3310 #include <inttypes.h>
3311 #include <net/if.h>
3312 #include <net/netmap.h>
3313 #include <net/netmap_user.h>
3314 #if (NETMAP_API < 11) || (NETMAP_API > 15)
3315 #error
3316 #endif
3317 int main(void) { return 0; }
3318 EOF
3319   if compile_prog "" "" ; then
3320     netmap=yes
3321   else
3322     if test "$netmap" = "yes" ; then
3323       feature_not_found "netmap"
3324     fi
3325     netmap=no
3326   fi
3327 fi
3328
3329 ##########################################
3330 # libcap-ng library probe
3331 if test "$cap_ng" != "no" ; then
3332   cap_libs="-lcap-ng"
3333   cat > $TMPC << EOF
3334 #include <cap-ng.h>
3335 int main(void)
3336 {
3337     capng_capability_to_name(CAPNG_EFFECTIVE);
3338     return 0;
3339 }
3340 EOF
3341   if compile_prog "" "$cap_libs" ; then
3342     cap_ng=yes
3343   else
3344     if test "$cap_ng" = "yes" ; then
3345       feature_not_found "cap_ng" "Install libcap-ng devel"
3346     fi
3347     cap_ng=no
3348   fi
3349 fi
3350
3351 ##########################################
3352 # Sound support libraries probe
3353
3354 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
3355 for drv in $audio_drv_list; do
3356     case $drv in
3357     alsa | try-alsa)
3358     if $pkg_config alsa --exists; then
3359         alsa_libs=$($pkg_config alsa --libs)
3360         alsa_cflags=$($pkg_config alsa --cflags)
3361         alsa=yes
3362         if test "$drv" = "try-alsa"; then
3363             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/')
3364         fi
3365     else
3366         if test "$drv" = "try-alsa"; then
3367             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//')
3368         else
3369             error_exit "$drv check failed" \
3370                 "Make sure to have the $drv libs and headers installed."
3371         fi
3372     fi
3373     ;;
3374
3375     pa | try-pa)
3376     if $pkg_config libpulse --exists; then
3377         libpulse=yes
3378         pulse_libs=$($pkg_config libpulse --libs)
3379         pulse_cflags=$($pkg_config libpulse --cflags)
3380         if test "$drv" = "try-pa"; then
3381             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/')
3382         fi
3383     else
3384         if test "$drv" = "try-pa"; then
3385             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//')
3386         else
3387             error_exit "$drv check failed" \
3388                 "Make sure to have the $drv libs and headers installed."
3389         fi
3390     fi
3391     ;;
3392
3393     sdl)
3394     if test "$sdl" = "no"; then
3395         error_exit "sdl not found or disabled, can not use sdl audio driver"
3396     fi
3397     ;;
3398
3399     try-sdl)
3400     if test "$sdl" = "no"; then
3401         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//')
3402     else
3403         audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/')
3404     fi
3405     ;;
3406
3407     coreaudio)
3408       coreaudio_libs="-framework CoreAudio"
3409     ;;
3410
3411     dsound)
3412       dsound_libs="-lole32 -ldxguid"
3413       audio_win_int="yes"
3414     ;;
3415
3416     oss)
3417       oss_libs="$oss_lib"
3418     ;;
3419
3420     jack | try-jack)
3421     if $pkg_config jack --exists; then
3422         libjack=yes
3423         jack_libs=$($pkg_config jack --libs)
3424         if test "$drv" = "try-jack"; then
3425             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/')
3426         fi
3427     else
3428         if test "$drv" = "try-jack"; then
3429             audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//')
3430         else
3431             error_exit "$drv check failed" \
3432                 "Make sure to have the $drv libs and headers installed."
3433         fi
3434     fi
3435     ;;
3436
3437     *)
3438     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
3439         error_exit "Unknown driver '$drv' selected" \
3440             "Possible drivers are: $audio_possible_drivers"
3441     }
3442     ;;
3443     esac
3444 done
3445
3446 ##########################################
3447 # BrlAPI probe
3448
3449 if test "$brlapi" != "no" ; then
3450   brlapi_libs="-lbrlapi"
3451   cat > $TMPC << EOF
3452 #include <brlapi.h>
3453 #include <stddef.h>
3454 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3455 EOF
3456   if compile_prog "" "$brlapi_libs" ; then
3457     brlapi=yes
3458   else
3459     if test "$brlapi" = "yes" ; then
3460       feature_not_found "brlapi" "Install brlapi devel"
3461     fi
3462     brlapi=no
3463   fi
3464 fi
3465
3466 ##########################################
3467 # iconv probe
3468 if test "$iconv" != "no" ; then
3469   cat > $TMPC << EOF
3470 #include <iconv.h>
3471 int main(void) {
3472   iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
3473   return conv != (iconv_t) -1;
3474 }
3475 EOF
3476   iconv_prefix_list="/usr/local:/usr"
3477   iconv_lib_list=":-liconv"
3478   IFS=:
3479   for iconv_prefix in $iconv_prefix_list; do
3480     IFS=:
3481     iconv_cflags="-I$iconv_prefix/include"
3482     iconv_ldflags="-L$iconv_prefix/lib"
3483     for iconv_link in $iconv_lib_list; do
3484       unset IFS
3485       iconv_lib="$iconv_ldflags $iconv_link"
3486       echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
3487       if compile_prog "$iconv_cflags" "$iconv_lib" ; then
3488         iconv_found=yes
3489         break
3490       fi
3491     done
3492     if test "$iconv_found" = yes ; then
3493       break
3494     fi
3495   done
3496   if test "$iconv_found" = "yes" ; then
3497     iconv=yes
3498   else
3499     if test "$iconv" = "yes" ; then
3500       feature_not_found "iconv" "Install iconv devel"
3501     fi
3502     iconv=no
3503   fi
3504 fi
3505
3506 ##########################################
3507 # curses probe
3508 if test "$iconv" = "no" ; then
3509   # curses will need iconv
3510   curses=no
3511 fi
3512 if test "$curses" != "no" ; then
3513   if test "$mingw32" = "yes" ; then
3514     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3515     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3516   else
3517     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3518     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3519   fi
3520   curses_found=no
3521   cat > $TMPC << EOF
3522 #include <locale.h>
3523 #include <curses.h>
3524 #include <wchar.h>
3525 #include <langinfo.h>
3526 int main(void) {
3527   const char *codeset;
3528   wchar_t wch = L'w';
3529   setlocale(LC_ALL, "");
3530   resize_term(0, 0);
3531   addwstr(L"wide chars\n");
3532   addnwstr(&wch, 1);
3533   add_wch(WACS_DEGREE);
3534   codeset = nl_langinfo(CODESET);
3535   return codeset != 0;
3536 }
3537 EOF
3538   IFS=:
3539   for curses_inc in $curses_inc_list; do
3540     # Make sure we get the wide character prototypes
3541     curses_inc="-DNCURSES_WIDECHAR $curses_inc"
3542     IFS=:
3543     for curses_lib in $curses_lib_list; do
3544       unset IFS
3545       if compile_prog "$curses_inc" "$curses_lib" ; then
3546         curses_found=yes
3547         break
3548       fi
3549     done
3550     if test "$curses_found" = yes ; then
3551       break
3552     fi
3553   done
3554   unset IFS
3555   if test "$curses_found" = "yes" ; then
3556     curses=yes
3557   else
3558     if test "$curses" = "yes" ; then
3559       feature_not_found "curses" "Install ncurses devel"
3560     fi
3561     curses=no
3562   fi
3563 fi
3564
3565 ##########################################
3566 # curl probe
3567 if test "$curl" != "no" ; then
3568   if $pkg_config libcurl --exists; then
3569     curlconfig="$pkg_config libcurl"
3570   else
3571     curlconfig=curl-config
3572   fi
3573   cat > $TMPC << EOF
3574 #include <curl/curl.h>
3575 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3576 EOF
3577   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3578   curl_libs=$($curlconfig --libs 2>/dev/null)
3579   if compile_prog "$curl_cflags" "$curl_libs" ; then
3580     curl=yes
3581   else
3582     if test "$curl" = "yes" ; then
3583       feature_not_found "curl" "Install libcurl devel"
3584     fi
3585     curl=no
3586   fi
3587 fi # test "$curl"
3588
3589 ##########################################
3590 # glib support probe
3591
3592 glib_req_ver=2.48
3593 glib_modules=gthread-2.0
3594 if test "$modules" = yes; then
3595     glib_modules="$glib_modules gmodule-export-2.0"
3596 fi
3597 if test "$plugins" = yes; then
3598     glib_modules="$glib_modules gmodule-2.0"
3599 fi
3600
3601 for i in $glib_modules; do
3602     if $pkg_config --atleast-version=$glib_req_ver $i; then
3603         glib_cflags=$($pkg_config --cflags $i)
3604         glib_libs=$($pkg_config --libs $i)
3605     else
3606         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3607     fi
3608 done
3609
3610 # This workaround is required due to a bug in pkg-config file for glib as it
3611 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3612
3613 if test "$static" = yes && test "$mingw32" = yes; then
3614     glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
3615 fi
3616
3617 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then
3618     gio=yes
3619     gio_cflags=$($pkg_config --cflags gio-2.0)
3620     gio_libs=$($pkg_config --libs gio-2.0)
3621     gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0)
3622     if [ ! -x "$gdbus_codegen" ]; then
3623         gdbus_codegen=
3624     fi
3625 else
3626     gio=no
3627 fi
3628
3629 if $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then
3630     gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)"
3631     gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)"
3632 fi
3633
3634 # Sanity check that the current size_t matches the
3635 # size that glib thinks it should be. This catches
3636 # problems on multi-arch where people try to build
3637 # 32-bit QEMU while pointing at 64-bit glib headers
3638 cat > $TMPC <<EOF
3639 #include <glib.h>
3640 #include <unistd.h>
3641
3642 #define QEMU_BUILD_BUG_ON(x) \
3643   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3644
3645 int main(void) {
3646    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3647    return 0;
3648 }
3649 EOF
3650
3651 if ! compile_prog "$glib_cflags" "$glib_libs" ; then
3652     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3653                "You probably need to set PKG_CONFIG_LIBDIR"\
3654                "to point to the right pkg-config files for your"\
3655                "build target"
3656 fi
3657
3658 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3659 cat > $TMPC << EOF
3660 #include <glib.h>
3661 int main(void) { return 0; }
3662 EOF
3663 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3664     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3665         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3666         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3667     fi
3668 fi
3669
3670 # Silence clang warnings triggered by glib < 2.57.2
3671 cat > $TMPC << EOF
3672 #include <glib.h>
3673 typedef struct Foo {
3674     int i;
3675 } Foo;
3676 static void foo_free(Foo *f)
3677 {
3678     g_free(f);
3679 }
3680 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
3681 int main(void) { return 0; }
3682 EOF
3683 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3684     if cc_has_warning_flag "-Wno-unused-function"; then
3685         glib_cflags="$glib_cflags -Wno-unused-function"
3686         CFLAGS="$CFLAGS -Wno-unused-function"
3687     fi
3688 fi
3689
3690 ##########################################
3691 # SHA command probe for modules
3692 if test "$modules" = yes; then
3693     shacmd_probe="sha1sum sha1 shasum"
3694     for c in $shacmd_probe; do
3695         if has $c; then
3696             shacmd="$c"
3697             break
3698         fi
3699     done
3700     if test "$shacmd" = ""; then
3701         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3702     fi
3703 fi
3704
3705 ##########################################
3706 # pthread probe
3707 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3708
3709 pthread=no
3710 cat > $TMPC << EOF
3711 #include <pthread.h>
3712 static void *f(void *p) { return NULL; }
3713 int main(void) {
3714   pthread_t thread;
3715   pthread_create(&thread, 0, f, 0);
3716   return 0;
3717 }
3718 EOF
3719 if compile_prog "" "" ; then
3720   pthread=yes
3721 else
3722   for pthread_lib in $PTHREADLIBS_LIST; do
3723     if compile_prog "" "$pthread_lib" ; then
3724       pthread=yes
3725       found=no
3726       for lib_entry in $LIBS; do
3727         if test "$lib_entry" = "$pthread_lib"; then
3728           found=yes
3729           break
3730         fi
3731       done
3732       if test "$found" = "no"; then
3733         LIBS="$pthread_lib $LIBS"
3734       fi
3735       PTHREAD_LIB="$pthread_lib"
3736       break
3737     fi
3738   done
3739 fi
3740
3741 if test "$mingw32" != yes && test "$pthread" = no; then
3742   error_exit "pthread check failed" \
3743       "Make sure to have the pthread libs and headers installed."
3744 fi
3745
3746 # check for pthread_setname_np with thread id
3747 pthread_setname_np_w_tid=no
3748 cat > $TMPC << EOF
3749 #include <pthread.h>
3750
3751 static void *f(void *p) { return NULL; }
3752 int main(void)
3753 {
3754     pthread_t thread;
3755     pthread_create(&thread, 0, f, 0);
3756     pthread_setname_np(thread, "QEMU");
3757     return 0;
3758 }
3759 EOF
3760 if compile_prog "" "$pthread_lib" ; then
3761   pthread_setname_np_w_tid=yes
3762 fi
3763
3764 # check for pthread_setname_np without thread id
3765 pthread_setname_np_wo_tid=no
3766 cat > $TMPC << EOF
3767 #include <pthread.h>
3768
3769 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
3770 int main(void)
3771 {
3772     pthread_t thread;
3773     pthread_create(&thread, 0, f, 0);
3774     return 0;
3775 }
3776 EOF
3777 if compile_prog "" "$pthread_lib" ; then
3778   pthread_setname_np_wo_tid=yes
3779 fi
3780
3781 ##########################################
3782 # rbd probe
3783 if test "$rbd" != "no" ; then
3784   cat > $TMPC <<EOF
3785 #include <stdio.h>
3786 #include <rbd/librbd.h>
3787 int main(void) {
3788     rados_t cluster;
3789     rados_create(&cluster, NULL);
3790     return 0;
3791 }
3792 EOF
3793   rbd_libs="-lrbd -lrados"
3794   if compile_prog "" "$rbd_libs" ; then
3795     rbd=yes
3796   else
3797     if test "$rbd" = "yes" ; then
3798       feature_not_found "rados block device" "Install librbd/ceph devel"
3799     fi
3800     rbd=no
3801   fi
3802 fi
3803
3804 ##########################################
3805 # libssh probe
3806 if test "$libssh" != "no" ; then
3807   if $pkg_config --exists libssh; then
3808     libssh_cflags=$($pkg_config libssh --cflags)
3809     libssh_libs=$($pkg_config libssh --libs)
3810     libssh=yes
3811   else
3812     if test "$libssh" = "yes" ; then
3813       error_exit "libssh required for --enable-libssh"
3814     fi
3815     libssh=no
3816   fi
3817 fi
3818
3819 ##########################################
3820 # Check for libssh 0.8
3821 # This is done like this instead of using the LIBSSH_VERSION_* and
3822 # SSH_VERSION_* macros because some distributions in the past shipped
3823 # snapshots of the future 0.8 from Git, and those snapshots did not
3824 # have updated version numbers (still referring to 0.7.0).
3825
3826 if test "$libssh" = "yes"; then
3827   cat > $TMPC <<EOF
3828 #include <libssh/libssh.h>
3829 int main(void) { return ssh_get_server_publickey(NULL, NULL); }
3830 EOF
3831   if compile_prog "$libssh_cflags" "$libssh_libs"; then
3832     libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags"
3833   fi
3834 fi
3835
3836 ##########################################
3837 # linux-aio probe
3838
3839 if test "$linux_aio" != "no" ; then
3840   cat > $TMPC <<EOF
3841 #include <libaio.h>
3842 #include <sys/eventfd.h>
3843 #include <stddef.h>
3844 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3845 EOF
3846   if compile_prog "" "-laio" ; then
3847     linux_aio=yes
3848   else
3849     if test "$linux_aio" = "yes" ; then
3850       feature_not_found "linux AIO" "Install libaio devel"
3851     fi
3852     linux_aio=no
3853   fi
3854 fi
3855 ##########################################
3856 # linux-io-uring probe
3857
3858 if test "$linux_io_uring" != "no" ; then
3859   if $pkg_config liburing; then
3860     linux_io_uring_cflags=$($pkg_config --cflags liburing)
3861     linux_io_uring_libs=$($pkg_config --libs liburing)
3862     linux_io_uring=yes
3863   else
3864     if test "$linux_io_uring" = "yes" ; then
3865       feature_not_found "linux io_uring" "Install liburing devel"
3866     fi
3867     linux_io_uring=no
3868   fi
3869 fi
3870
3871 ##########################################
3872 # TPM emulation is only on POSIX
3873
3874 if test "$tpm" = ""; then
3875   if test "$mingw32" = "yes"; then
3876     tpm=no
3877   else
3878     tpm=yes
3879   fi
3880 elif test "$tpm" = "yes"; then
3881   if test "$mingw32" = "yes" ; then
3882     error_exit "TPM emulation only available on POSIX systems"
3883   fi
3884 fi
3885
3886 ##########################################
3887 # attr probe
3888
3889 libattr_libs=
3890 if test "$attr" != "no" ; then
3891   cat > $TMPC <<EOF
3892 #include <stdio.h>
3893 #include <sys/types.h>
3894 #ifdef CONFIG_LIBATTR
3895 #include <attr/xattr.h>
3896 #else
3897 #include <sys/xattr.h>
3898 #endif
3899 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3900 EOF
3901   if compile_prog "" "" ; then
3902     attr=yes
3903   # Older distros have <attr/xattr.h>, and need -lattr:
3904   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3905     attr=yes
3906     libattr_libs="-lattr"
3907     libattr=yes
3908   else
3909     if test "$attr" = "yes" ; then
3910       feature_not_found "ATTR" "Install libc6 or libattr devel"
3911     fi
3912     attr=no
3913   fi
3914 fi
3915
3916 ##########################################
3917 # iovec probe
3918 cat > $TMPC <<EOF
3919 #include <sys/types.h>
3920 #include <sys/uio.h>
3921 #include <unistd.h>
3922 int main(void) { return sizeof(struct iovec); }
3923 EOF
3924 iovec=no
3925 if compile_prog "" "" ; then
3926   iovec=yes
3927 fi
3928
3929 ##########################################
3930 # preadv probe
3931 cat > $TMPC <<EOF
3932 #include <sys/types.h>
3933 #include <sys/uio.h>
3934 #include <unistd.h>
3935 int main(void) { return preadv(0, 0, 0, 0); }
3936 EOF
3937 preadv=no
3938 if compile_prog "" "" ; then
3939   preadv=yes
3940 fi
3941
3942 ##########################################
3943 # fdt probe
3944 # fdt support is mandatory for at least some target architectures,
3945 # so insist on it if we're building those system emulators.
3946 fdt_required=no
3947 for target in $target_list; do
3948   case $target in
3949     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu|riscv*-softmmu|rx-softmmu)
3950       fdt_required=yes
3951     ;;
3952   esac
3953 done
3954
3955 if test "$fdt_required" = "yes"; then
3956   if test "$fdt" = "no"; then
3957     error_exit "fdt disabled but some requested targets require it." \
3958       "You can turn off fdt only if you also disable all the system emulation" \
3959       "targets which need it (by specifying a cut down --target-list)."
3960   fi
3961   fdt=yes
3962 elif test "$fdt" != "yes" ; then
3963   fdt=no
3964 fi
3965
3966 # fdt is only required when building softmmu targets
3967 if test -z "$fdt" -a "$softmmu" != "yes" ; then
3968     fdt="no"
3969 fi
3970
3971 if test "$fdt" != "no" ; then
3972   fdt_libs="-lfdt"
3973   # explicitly check for libfdt_env.h as it is missing in some stable installs
3974   # and test for required functions to make sure we are on a version >= 1.4.2
3975   cat > $TMPC << EOF
3976 #include <libfdt.h>
3977 #include <libfdt_env.h>
3978 int main(void) { fdt_check_full(NULL, 0); return 0; }
3979 EOF
3980   if compile_prog "" "$fdt_libs" ; then
3981     # system DTC is good - use it
3982     fdt=system
3983   else
3984       # have GIT checkout, so activate dtc submodule
3985       if test -e "${source_path}/.git" ; then
3986           git_submodules="${git_submodules} dtc"
3987       fi
3988       if test -d "${source_path}/dtc/libfdt" || test -e "${source_path}/.git" ; then
3989           fdt=git
3990           mkdir -p dtc
3991           fdt_cflags="-I${source_path}/dtc/libfdt"
3992           fdt_ldflags="-Ldtc/libfdt"
3993           fdt_libs="$fdt_libs"
3994       elif test "$fdt" = "yes" ; then
3995           # Not a git build & no libfdt found, prompt for system install
3996           error_exit "DTC (libfdt) version >= 1.4.2 not present." \
3997                      "Please install the DTC (libfdt) devel package"
3998       else
3999           # don't have and don't want
4000           fdt_libs=
4001           fdt=no
4002       fi
4003   fi
4004 fi
4005
4006 ##########################################
4007 # opengl probe (for sdl2, gtk, milkymist-tmu2)
4008
4009 gbm="no"
4010 if $pkg_config gbm; then
4011     gbm_cflags="$($pkg_config --cflags gbm)"
4012     gbm_libs="$($pkg_config --libs gbm)"
4013     gbm="yes"
4014 fi
4015
4016 if test "$opengl" != "no" ; then
4017   opengl_pkgs="epoxy gbm"
4018   if $pkg_config $opengl_pkgs; then
4019     opengl_cflags="$($pkg_config --cflags $opengl_pkgs)"
4020     opengl_libs="$($pkg_config --libs $opengl_pkgs)"
4021     opengl=yes
4022     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
4023         gtk_gl="yes"
4024     fi
4025   else
4026     if test "$opengl" = "yes" ; then
4027       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
4028     fi
4029     opengl_cflags=""
4030     opengl_libs=""
4031     opengl=no
4032   fi
4033 fi
4034
4035 if test "$opengl" = "yes"; then
4036   cat > $TMPC << EOF
4037 #include <epoxy/egl.h>
4038 #ifndef EGL_MESA_image_dma_buf_export
4039 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
4040 #endif
4041 int main(void) { return 0; }
4042 EOF
4043   if compile_prog "" "" ; then
4044     opengl_dmabuf=yes
4045   fi
4046 fi
4047
4048 if test "$opengl" = "yes" && test "$have_x11" = "yes"; then
4049   for target in $target_list; do
4050     case $target in
4051       lm32-softmmu) # milkymist-tmu2 requires X11 and OpenGL
4052         need_x11=yes
4053       ;;
4054     esac
4055   done
4056 fi
4057
4058 ##########################################
4059 # libxml2 probe
4060 if test "$libxml2" != "no" ; then
4061     if $pkg_config --exists libxml-2.0; then
4062         libxml2="yes"
4063         libxml2_cflags=$($pkg_config --cflags libxml-2.0)
4064         libxml2_libs=$($pkg_config --libs libxml-2.0)
4065     else
4066         if test "$libxml2" = "yes"; then
4067             feature_not_found "libxml2" "Install libxml2 devel"
4068         fi
4069         libxml2="no"
4070     fi
4071 fi
4072
4073 ##########################################
4074 # glusterfs probe
4075 if test "$glusterfs" != "no" ; then
4076   if $pkg_config --atleast-version=3 glusterfs-api; then
4077     glusterfs="yes"
4078     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
4079     glusterfs_libs=$($pkg_config --libs glusterfs-api)
4080     if $pkg_config --atleast-version=4 glusterfs-api; then
4081       glusterfs_xlator_opt="yes"
4082     fi
4083     if $pkg_config --atleast-version=5 glusterfs-api; then
4084       glusterfs_discard="yes"
4085     fi
4086     if $pkg_config --atleast-version=6 glusterfs-api; then
4087       glusterfs_fallocate="yes"
4088       glusterfs_zerofill="yes"
4089     fi
4090     cat > $TMPC << EOF
4091 #include <glusterfs/api/glfs.h>
4092
4093 int
4094 main(void)
4095 {
4096         /* new glfs_ftruncate() passes two additional args */
4097         return glfs_ftruncate(NULL, 0, NULL, NULL);
4098 }
4099 EOF
4100     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4101       glusterfs_ftruncate_has_stat="yes"
4102     fi
4103     cat > $TMPC << EOF
4104 #include <glusterfs/api/glfs.h>
4105
4106 /* new glfs_io_cbk() passes two additional glfs_stat structs */
4107 static void
4108 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
4109 {}
4110
4111 int
4112 main(void)
4113 {
4114         glfs_io_cbk iocb = &glusterfs_iocb;
4115         iocb(NULL, 0 , NULL, NULL, NULL);
4116         return 0;
4117 }
4118 EOF
4119     if compile_prog "$glusterfs_cflags" "$glusterfs_libs" ; then
4120       glusterfs_iocb_has_stat="yes"
4121     fi
4122   else
4123     if test "$glusterfs" = "yes" ; then
4124       feature_not_found "GlusterFS backend support" \
4125           "Install glusterfs-api devel >= 3"
4126     fi
4127     glusterfs="no"
4128   fi
4129 fi
4130
4131 # Check for inotify functions when we are building linux-user
4132 # emulator.  This is done because older glibc versions don't
4133 # have syscall stubs for these implemented.  In that case we
4134 # don't provide them even if kernel supports them.
4135 #
4136 inotify=no
4137 cat > $TMPC << EOF
4138 #include <sys/inotify.h>
4139
4140 int
4141 main(void)
4142 {
4143         /* try to start inotify */
4144         return inotify_init();
4145 }
4146 EOF
4147 if compile_prog "" "" ; then
4148   inotify=yes
4149 fi
4150
4151 inotify1=no
4152 cat > $TMPC << EOF
4153 #include <sys/inotify.h>
4154
4155 int
4156 main(void)
4157 {
4158     /* try to start inotify */
4159     return inotify_init1(0);
4160 }
4161 EOF
4162 if compile_prog "" "" ; then
4163   inotify1=yes
4164 fi
4165
4166 # check if pipe2 is there
4167 pipe2=no
4168 cat > $TMPC << EOF
4169 #include <unistd.h>
4170 #include <fcntl.h>
4171
4172 int main(void)
4173 {
4174     int pipefd[2];
4175     return pipe2(pipefd, O_CLOEXEC);
4176 }
4177 EOF
4178 if compile_prog "" "" ; then
4179   pipe2=yes
4180 fi
4181
4182 # check if accept4 is there
4183 accept4=no
4184 cat > $TMPC << EOF
4185 #include <sys/socket.h>
4186 #include <stddef.h>
4187
4188 int main(void)
4189 {
4190     accept4(0, NULL, NULL, SOCK_CLOEXEC);
4191     return 0;
4192 }
4193 EOF
4194 if compile_prog "" "" ; then
4195   accept4=yes
4196 fi
4197
4198 # check if tee/splice is there. vmsplice was added same time.
4199 splice=no
4200 cat > $TMPC << EOF
4201 #include <unistd.h>
4202 #include <fcntl.h>
4203 #include <limits.h>
4204
4205 int main(void)
4206 {
4207     int len, fd = 0;
4208     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
4209     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
4210     return 0;
4211 }
4212 EOF
4213 if compile_prog "" "" ; then
4214   splice=yes
4215 fi
4216
4217 ##########################################
4218 # libnuma probe
4219
4220 if test "$numa" != "no" ; then
4221   cat > $TMPC << EOF
4222 #include <numa.h>
4223 int main(void) { return numa_available(); }
4224 EOF
4225
4226   if compile_prog "" "-lnuma" ; then
4227     numa=yes
4228     numa_libs="-lnuma"
4229   else
4230     if test "$numa" = "yes" ; then
4231       feature_not_found "numa" "install numactl devel"
4232     fi
4233     numa=no
4234   fi
4235 fi
4236
4237 malloc=system
4238 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
4239     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
4240     exit 1
4241 elif test "$tcmalloc" = "yes" ; then
4242     malloc=tcmalloc
4243 elif test "$jemalloc" = "yes" ; then
4244     malloc=jemalloc
4245 fi
4246
4247 ##########################################
4248 # signalfd probe
4249 signalfd="no"
4250 cat > $TMPC << EOF
4251 #include <unistd.h>
4252 #include <sys/syscall.h>
4253 #include <signal.h>
4254 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
4255 EOF
4256
4257 if compile_prog "" "" ; then
4258   signalfd=yes
4259 fi
4260
4261 # check if optreset global is declared by <getopt.h>
4262 optreset="no"
4263 cat > $TMPC << EOF
4264 #include <getopt.h>
4265 int main(void) { return optreset; }
4266 EOF
4267
4268 if compile_prog "" "" ; then
4269   optreset=yes
4270 fi
4271
4272 # check if eventfd is supported
4273 eventfd=no
4274 cat > $TMPC << EOF
4275 #include <sys/eventfd.h>
4276
4277 int main(void)
4278 {
4279     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
4280 }
4281 EOF
4282 if compile_prog "" "" ; then
4283   eventfd=yes
4284 fi
4285
4286 # check if memfd is supported
4287 memfd=no
4288 cat > $TMPC << EOF
4289 #include <sys/mman.h>
4290
4291 int main(void)
4292 {
4293     return memfd_create("foo", MFD_ALLOW_SEALING);
4294 }
4295 EOF
4296 if compile_prog "" "" ; then
4297   memfd=yes
4298 fi
4299
4300 # check for usbfs
4301 have_usbfs=no
4302 if test "$linux_user" = "yes"; then
4303   cat > $TMPC << EOF
4304 #include <linux/usbdevice_fs.h>
4305
4306 #ifndef USBDEVFS_GET_CAPABILITIES
4307 #error "USBDEVFS_GET_CAPABILITIES undefined"
4308 #endif
4309
4310 #ifndef USBDEVFS_DISCONNECT_CLAIM
4311 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
4312 #endif
4313
4314 int main(void)
4315 {
4316     return 0;
4317 }
4318 EOF
4319   if compile_prog "" ""; then
4320     have_usbfs=yes
4321   fi
4322 fi
4323
4324 # check for fallocate
4325 fallocate=no
4326 cat > $TMPC << EOF
4327 #include <fcntl.h>
4328
4329 int main(void)
4330 {
4331     fallocate(0, 0, 0, 0);
4332     return 0;
4333 }
4334 EOF
4335 if compile_prog "" "" ; then
4336   fallocate=yes
4337 fi
4338
4339 # check for fallocate hole punching
4340 fallocate_punch_hole=no
4341 cat > $TMPC << EOF
4342 #include <fcntl.h>
4343 #include <linux/falloc.h>
4344
4345 int main(void)
4346 {
4347     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
4348     return 0;
4349 }
4350 EOF
4351 if compile_prog "" "" ; then
4352   fallocate_punch_hole=yes
4353 fi
4354
4355 # check that fallocate supports range zeroing inside the file
4356 fallocate_zero_range=no
4357 cat > $TMPC << EOF
4358 #include <fcntl.h>
4359 #include <linux/falloc.h>
4360
4361 int main(void)
4362 {
4363     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
4364     return 0;
4365 }
4366 EOF
4367 if compile_prog "" "" ; then
4368   fallocate_zero_range=yes
4369 fi
4370
4371 # check for posix_fallocate
4372 posix_fallocate=no
4373 cat > $TMPC << EOF
4374 #include <fcntl.h>
4375
4376 int main(void)
4377 {
4378     posix_fallocate(0, 0, 0);
4379     return 0;
4380 }
4381 EOF
4382 if compile_prog "" "" ; then
4383     posix_fallocate=yes
4384 fi
4385
4386 # check for sync_file_range
4387 sync_file_range=no
4388 cat > $TMPC << EOF
4389 #include <fcntl.h>
4390
4391 int main(void)
4392 {
4393     sync_file_range(0, 0, 0, 0);
4394     return 0;
4395 }
4396 EOF
4397 if compile_prog "" "" ; then
4398   sync_file_range=yes
4399 fi
4400
4401 # check for linux/fiemap.h and FS_IOC_FIEMAP
4402 fiemap=no
4403 cat > $TMPC << EOF
4404 #include <sys/ioctl.h>
4405 #include <linux/fs.h>
4406 #include <linux/fiemap.h>
4407
4408 int main(void)
4409 {
4410     ioctl(0, FS_IOC_FIEMAP, 0);
4411     return 0;
4412 }
4413 EOF
4414 if compile_prog "" "" ; then
4415   fiemap=yes
4416 fi
4417
4418 # check for dup3
4419 dup3=no
4420 cat > $TMPC << EOF
4421 #include <unistd.h>
4422
4423 int main(void)
4424 {
4425     dup3(0, 0, 0);
4426     return 0;
4427 }
4428 EOF
4429 if compile_prog "" "" ; then
4430   dup3=yes
4431 fi
4432
4433 # check for ppoll support
4434 ppoll=no
4435 cat > $TMPC << EOF
4436 #include <poll.h>
4437
4438 int main(void)
4439 {
4440     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
4441     ppoll(&pfd, 1, 0, 0);
4442     return 0;
4443 }
4444 EOF
4445 if compile_prog "" "" ; then
4446   ppoll=yes
4447 fi
4448
4449 # check for prctl(PR_SET_TIMERSLACK , ... ) support
4450 prctl_pr_set_timerslack=no
4451 cat > $TMPC << EOF
4452 #include <sys/prctl.h>
4453
4454 int main(void)
4455 {
4456     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
4457     return 0;
4458 }
4459 EOF
4460 if compile_prog "" "" ; then
4461   prctl_pr_set_timerslack=yes
4462 fi
4463
4464 # check for epoll support
4465 epoll=no
4466 cat > $TMPC << EOF
4467 #include <sys/epoll.h>
4468
4469 int main(void)
4470 {
4471     epoll_create(0);
4472     return 0;
4473 }
4474 EOF
4475 if compile_prog "" "" ; then
4476   epoll=yes
4477 fi
4478
4479 # epoll_create1 is a later addition
4480 # so we must check separately for its presence
4481 epoll_create1=no
4482 cat > $TMPC << EOF
4483 #include <sys/epoll.h>
4484
4485 int main(void)
4486 {
4487     /* Note that we use epoll_create1 as a value, not as
4488      * a function being called. This is necessary so that on
4489      * old SPARC glibc versions where the function was present in
4490      * the library but not declared in the header file we will
4491      * fail the configure check. (Otherwise we will get a compiler
4492      * warning but not an error, and will proceed to fail the
4493      * qemu compile where we compile with -Werror.)
4494      */
4495     return (int)(uintptr_t)&epoll_create1;
4496 }
4497 EOF
4498 if compile_prog "" "" ; then
4499   epoll_create1=yes
4500 fi
4501
4502 # check for sendfile support
4503 sendfile=no
4504 cat > $TMPC << EOF
4505 #include <sys/sendfile.h>
4506
4507 int main(void)
4508 {
4509     return sendfile(0, 0, 0, 0);
4510 }
4511 EOF
4512 if compile_prog "" "" ; then
4513   sendfile=yes
4514 fi
4515
4516 # check for timerfd support (glibc 2.8 and newer)
4517 timerfd=no
4518 cat > $TMPC << EOF
4519 #include <sys/timerfd.h>
4520
4521 int main(void)
4522 {
4523     return(timerfd_create(CLOCK_REALTIME, 0));
4524 }
4525 EOF
4526 if compile_prog "" "" ; then
4527   timerfd=yes
4528 fi
4529
4530 # check for setns and unshare support
4531 setns=no
4532 cat > $TMPC << EOF
4533 #include <sched.h>
4534
4535 int main(void)
4536 {
4537     int ret;
4538     ret = setns(0, 0);
4539     ret = unshare(0);
4540     return ret;
4541 }
4542 EOF
4543 if compile_prog "" "" ; then
4544   setns=yes
4545 fi
4546
4547 # clock_adjtime probe
4548 clock_adjtime=no
4549 cat > $TMPC <<EOF
4550 #include <time.h>
4551
4552 int main(void)
4553 {
4554     return clock_adjtime(0, 0);
4555 }
4556 EOF
4557 clock_adjtime=no
4558 if compile_prog "" "" ; then
4559   clock_adjtime=yes
4560 fi
4561
4562 # syncfs probe
4563 syncfs=no
4564 cat > $TMPC <<EOF
4565 #include <unistd.h>
4566
4567 int main(void)
4568 {
4569     return syncfs(0);
4570 }
4571 EOF
4572 syncfs=no
4573 if compile_prog "" "" ; then
4574   syncfs=yes
4575 fi
4576
4577 # check for kcov support (kernel must be 4.4+, compiled with certain options)
4578 kcov=no
4579 if check_include sys/kcov.h ; then
4580     kcov=yes
4581 fi
4582
4583 # check for btrfs filesystem support (kernel must be 3.9+)
4584 btrfs=no
4585 if check_include linux/btrfs.h ; then
4586     btrfs=yes
4587 fi
4588
4589 # If we're making warnings fatal, apply this to Sphinx runs as well
4590 sphinx_werror=""
4591 if test "$werror" = "yes"; then
4592     sphinx_werror="-W"
4593 fi
4594
4595 # Check we have a new enough version of sphinx-build
4596 has_sphinx_build() {
4597     # This is a bit awkward but works: create a trivial document and
4598     # try to run it with our configuration file (which enforces a
4599     # version requirement). This will fail if either
4600     # sphinx-build doesn't exist at all or if it is too old.
4601     mkdir -p "$TMPDIR1/sphinx"
4602     touch "$TMPDIR1/sphinx/index.rst"
4603     "$sphinx_build" $sphinx_werror -c "$source_path/docs" \
4604                     -b html "$TMPDIR1/sphinx" \
4605                     "$TMPDIR1/sphinx/out"  >> config.log 2>&1
4606 }
4607
4608 # Check if tools are available to build documentation.
4609 if test "$docs" != "no" ; then
4610   if has_sphinx_build; then
4611     sphinx_ok=yes
4612   else
4613     sphinx_ok=no
4614   fi
4615   if test "$sphinx_ok" = "yes"; then
4616     docs=yes
4617   else
4618     if test "$docs" = "yes" ; then
4619       if has $sphinx_build && test "$sphinx_ok" != "yes"; then
4620         echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
4621       fi
4622       feature_not_found "docs" "Install a Python 3 version of python-sphinx"
4623     fi
4624     docs=no
4625   fi
4626 fi
4627
4628 # Search for bswap_32 function
4629 byteswap_h=no
4630 cat > $TMPC << EOF
4631 #include <byteswap.h>
4632 int main(void) { return bswap_32(0); }
4633 EOF
4634 if compile_prog "" "" ; then
4635   byteswap_h=yes
4636 fi
4637
4638 # Search for bswap32 function
4639 bswap_h=no
4640 cat > $TMPC << EOF
4641 #include <sys/endian.h>
4642 #include <sys/types.h>
4643 #include <machine/bswap.h>
4644 int main(void) { return bswap32(0); }
4645 EOF
4646 if compile_prog "" "" ; then
4647   bswap_h=yes
4648 fi
4649
4650 ##########################################
4651 # Do we have libiscsi >= 1.9.0
4652 if test "$libiscsi" != "no" ; then
4653   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4654     libiscsi="yes"
4655     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4656     libiscsi_libs=$($pkg_config --libs libiscsi)
4657   else
4658     if test "$libiscsi" = "yes" ; then
4659       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4660     fi
4661     libiscsi="no"
4662   fi
4663 fi
4664
4665 ##########################################
4666 # Do we need librt
4667 # uClibc provides 2 versions of clock_gettime(), one with realtime
4668 # support and one without. This means that the clock_gettime() don't
4669 # need -lrt. We still need it for timer_create() so we check for this
4670 # function in addition.
4671 cat > $TMPC <<EOF
4672 #include <signal.h>
4673 #include <time.h>
4674 int main(void) {
4675   timer_create(CLOCK_REALTIME, NULL, NULL);
4676   return clock_gettime(CLOCK_REALTIME, NULL);
4677 }
4678 EOF
4679
4680 if compile_prog "" "" ; then
4681   :
4682 # we need pthread for static linking. use previous pthread test result
4683 elif compile_prog "" "$pthread_lib -lrt" ; then
4684   LIBS="$LIBS -lrt"
4685 fi
4686
4687 # Check whether we have openpty() in either libc or libutil
4688 cat > $TMPC << EOF
4689 extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
4690 int main(void) { return openpty(0, 0, 0, 0, 0); }
4691 EOF
4692
4693 have_openpty="no"
4694 if compile_prog "" "" ; then
4695   have_openpty="yes"
4696 else
4697   if compile_prog "" "-lutil" ; then
4698     have_openpty="yes"
4699   fi
4700 fi
4701
4702 ##########################################
4703 # spice probe
4704 if test "$spice" != "no" ; then
4705   cat > $TMPC << EOF
4706 #include <spice.h>
4707 int main(void) { spice_server_new(); return 0; }
4708 EOF
4709   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4710   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4711   if $pkg_config --atleast-version=0.12.5 spice-server && \
4712      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4713      compile_prog "$spice_cflags" "$spice_libs" ; then
4714     spice="yes"
4715   else
4716     if test "$spice" = "yes" ; then
4717       feature_not_found "spice" \
4718           "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel"
4719     fi
4720     spice="no"
4721   fi
4722 fi
4723
4724 # check for smartcard support
4725 if test "$smartcard" != "no"; then
4726     if $pkg_config --atleast-version=2.5.1 libcacard; then
4727         libcacard_cflags=$($pkg_config --cflags libcacard)
4728         libcacard_libs=$($pkg_config --libs libcacard)
4729         smartcard="yes"
4730     else
4731         if test "$smartcard" = "yes"; then
4732             feature_not_found "smartcard" "Install libcacard devel"
4733         fi
4734         smartcard="no"
4735     fi
4736 fi
4737
4738 # check for libusb
4739 if test "$libusb" != "no" ; then
4740     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4741         libusb="yes"
4742         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4743         libusb_libs=$($pkg_config --libs libusb-1.0)
4744     else
4745         if test "$libusb" = "yes"; then
4746             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4747         fi
4748         libusb="no"
4749     fi
4750 fi
4751
4752 # check for usbredirparser for usb network redirection support
4753 if test "$usb_redir" != "no" ; then
4754     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4755         usb_redir="yes"
4756         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4757         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4758     else
4759         if test "$usb_redir" = "yes"; then
4760             feature_not_found "usb-redir" "Install usbredir devel"
4761         fi
4762         usb_redir="no"
4763     fi
4764 fi
4765
4766 ##########################################
4767 # check if we have VSS SDK headers for win
4768
4769 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4770         test "$vss_win32_sdk" != "no" ; then
4771   case "$vss_win32_sdk" in
4772     "")   vss_win32_include="-isystem $source_path" ;;
4773     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4774           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4775           vss_win32_include="-isystem $source_path/.sdk/vss"
4776           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4777           ;;
4778     *)    vss_win32_include="-isystem $vss_win32_sdk"
4779   esac
4780   cat > $TMPC << EOF
4781 #define __MIDL_user_allocate_free_DEFINED__
4782 #include <inc/win2003/vss.h>
4783 int main(void) { return VSS_CTX_BACKUP; }
4784 EOF
4785   if compile_prog "$vss_win32_include" "" ; then
4786     guest_agent_with_vss="yes"
4787     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4788     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4789     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4790   else
4791     if test "$vss_win32_sdk" != "" ; then
4792       echo "ERROR: Please download and install Microsoft VSS SDK:"
4793       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4794       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4795       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4796       echo "ERROR: The headers are extracted in the directory \`inc'."
4797       feature_not_found "VSS support"
4798     fi
4799     guest_agent_with_vss="no"
4800   fi
4801 fi
4802
4803 ##########################################
4804 # lookup Windows platform SDK (if not specified)
4805 # The SDK is needed only to build .tlb (type library) file of guest agent
4806 # VSS provider from the source. It is usually unnecessary because the
4807 # pre-compiled .tlb file is included.
4808
4809 if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \
4810         test "$guest_agent_with_vss" = "yes" ; then
4811   if test -z "$win_sdk"; then
4812     programfiles="$PROGRAMFILES"
4813     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4814     if test -n "$programfiles"; then
4815       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4816     else
4817       feature_not_found "Windows SDK"
4818     fi
4819   elif test "$win_sdk" = "no"; then
4820     win_sdk=""
4821   fi
4822 fi
4823
4824 ##########################################
4825 # check if mingw environment provides a recent ntddscsi.h
4826 if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then
4827   cat > $TMPC << EOF
4828 #include <windows.h>
4829 #include <ntddscsi.h>
4830 int main(void) {
4831 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4832 #error Missing required ioctl definitions
4833 #endif
4834   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4835   return addr.Lun;
4836 }
4837 EOF
4838   if compile_prog "" "" ; then
4839     guest_agent_ntddscsi=yes
4840     libs_qga="-lsetupapi -lcfgmgr32 $libs_qga"
4841   fi
4842 fi
4843
4844 ##########################################
4845 # virgl renderer probe
4846
4847 if test "$virglrenderer" != "no" ; then
4848   cat > $TMPC << EOF
4849 #include <virglrenderer.h>
4850 int main(void) { virgl_renderer_poll(); return 0; }
4851 EOF
4852   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4853   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4854   virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null)
4855   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4856      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4857     virglrenderer="yes"
4858   else
4859     if test "$virglrenderer" = "yes" ; then
4860       feature_not_found "virglrenderer"
4861     fi
4862     virglrenderer="no"
4863   fi
4864 fi
4865
4866 ##########################################
4867 # capstone
4868
4869 case "$capstone" in
4870   auto | enabled | internal)
4871     # Simpler to always update submodule, even if not needed.
4872     if test -e "${source_path}/.git" && test $git_update = 'yes' ; then
4873       git_submodules="${git_submodules} capstone"
4874     fi
4875     ;;
4876 esac
4877
4878 ##########################################
4879 # check if we have fdatasync
4880
4881 fdatasync=no
4882 cat > $TMPC << EOF
4883 #include <unistd.h>
4884 int main(void) {
4885 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4886 return fdatasync(0);
4887 #else
4888 #error Not supported
4889 #endif
4890 }
4891 EOF
4892 if compile_prog "" "" ; then
4893     fdatasync=yes
4894 fi
4895
4896 ##########################################
4897 # check if we have madvise
4898
4899 madvise=no
4900 cat > $TMPC << EOF
4901 #include <sys/types.h>
4902 #include <sys/mman.h>
4903 #include <stddef.h>
4904 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4905 EOF
4906 if compile_prog "" "" ; then
4907     madvise=yes
4908 fi
4909
4910 ##########################################
4911 # check if we have posix_madvise
4912
4913 posix_madvise=no
4914 cat > $TMPC << EOF
4915 #include <sys/mman.h>
4916 #include <stddef.h>
4917 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4918 EOF
4919 if compile_prog "" "" ; then
4920     posix_madvise=yes
4921 fi
4922
4923 ##########################################
4924 # check if we have posix_memalign()
4925
4926 posix_memalign=no
4927 cat > $TMPC << EOF
4928 #include <stdlib.h>
4929 int main(void) {
4930     void *p;
4931     return posix_memalign(&p, 8, 8);
4932 }
4933 EOF
4934 if compile_prog "" "" ; then
4935     posix_memalign=yes
4936 fi
4937
4938 ##########################################
4939 # check if we have posix_syslog
4940
4941 posix_syslog=no
4942 cat > $TMPC << EOF
4943 #include <syslog.h>
4944 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4945 EOF
4946 if compile_prog "" "" ; then
4947     posix_syslog=yes
4948 fi
4949
4950 ##########################################
4951 # check if we have sem_timedwait
4952
4953 sem_timedwait=no
4954 cat > $TMPC << EOF
4955 #include <semaphore.h>
4956 int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
4957 EOF
4958 if compile_prog "" "" ; then
4959     sem_timedwait=yes
4960 fi
4961
4962 ##########################################
4963 # check if we have strchrnul
4964
4965 strchrnul=no
4966 cat > $TMPC << EOF
4967 #include <string.h>
4968 int main(void);
4969 // Use a haystack that the compiler shouldn't be able to constant fold
4970 char *haystack = (char*)&main;
4971 int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
4972 EOF
4973 if compile_prog "" "" ; then
4974     strchrnul=yes
4975 fi
4976
4977 #########################################
4978 # check if we have st_atim
4979
4980 st_atim=no
4981 cat > $TMPC << EOF
4982 #include <sys/stat.h>
4983 #include <stddef.h>
4984 int main(void) { return offsetof(struct stat, st_atim); }
4985 EOF
4986 if compile_prog "" "" ; then
4987     st_atim=yes
4988 fi
4989
4990 ##########################################
4991 # check if trace backend exists
4992
4993 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4994 if test "$?" -ne 0 ; then
4995   error_exit "invalid trace backends" \
4996       "Please choose supported trace backends."
4997 fi
4998
4999 ##########################################
5000 # For 'ust' backend, test if ust headers are present
5001 if have_backend "ust"; then
5002   cat > $TMPC << EOF
5003 #include <lttng/tracepoint.h>
5004 int main(void) { return 0; }
5005 EOF
5006   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
5007     if $pkg_config lttng-ust --exists; then
5008       lttng_ust_libs=$($pkg_config --libs lttng-ust)
5009     else
5010       lttng_ust_libs="-llttng-ust -ldl"
5011     fi
5012     if $pkg_config liburcu-bp --exists; then
5013       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
5014     else
5015       urcu_bp_libs="-lurcu-bp"
5016     fi
5017   else
5018     error_exit "Trace backend 'ust' missing lttng-ust header files"
5019   fi
5020 fi
5021
5022 ##########################################
5023 # For 'dtrace' backend, test if 'dtrace' command is present
5024 if have_backend "dtrace"; then
5025   if ! has 'dtrace' ; then
5026     error_exit "dtrace command is not found in PATH $PATH"
5027   fi
5028   trace_backend_stap="no"
5029   if has 'stap' ; then
5030     trace_backend_stap="yes"
5031   fi
5032 fi
5033
5034 ##########################################
5035 # check and set a backend for coroutine
5036
5037 # We prefer ucontext, but it's not always possible. The fallback
5038 # is sigcontext. On Windows the only valid backend is the Windows
5039 # specific one.
5040
5041 ucontext_works=no
5042 if test "$darwin" != "yes"; then
5043   cat > $TMPC << EOF
5044 #include <ucontext.h>
5045 #ifdef __stub_makecontext
5046 #error Ignoring glibc stub makecontext which will always fail
5047 #endif
5048 int main(void) { makecontext(0, 0, 0); return 0; }
5049 EOF
5050   if compile_prog "" "" ; then
5051     ucontext_works=yes
5052   fi
5053 fi
5054
5055 if test "$coroutine" = ""; then
5056   if test "$mingw32" = "yes"; then
5057     coroutine=win32
5058   elif test "$ucontext_works" = "yes"; then
5059     coroutine=ucontext
5060   else
5061     coroutine=sigaltstack
5062   fi
5063 else
5064   case $coroutine in
5065   windows)
5066     if test "$mingw32" != "yes"; then
5067       error_exit "'windows' coroutine backend only valid for Windows"
5068     fi
5069     # Unfortunately the user visible backend name doesn't match the
5070     # coroutine-*.c filename for this case, so we have to adjust it here.
5071     coroutine=win32
5072     ;;
5073   ucontext)
5074     if test "$ucontext_works" != "yes"; then
5075       feature_not_found "ucontext"
5076     fi
5077     ;;
5078   sigaltstack)
5079     if test "$mingw32" = "yes"; then
5080       error_exit "only the 'windows' coroutine backend is valid for Windows"
5081     fi
5082     ;;
5083   *)
5084     error_exit "unknown coroutine backend $coroutine"
5085     ;;
5086   esac
5087 fi
5088
5089 if test "$coroutine_pool" = ""; then
5090   coroutine_pool=yes
5091 fi
5092
5093 if test "$debug_stack_usage" = "yes"; then
5094   if test "$coroutine_pool" = "yes"; then
5095     echo "WARN: disabling coroutine pool for stack usage debugging"
5096     coroutine_pool=no
5097   fi
5098 fi
5099
5100 ##################################################
5101 # SafeStack
5102
5103
5104 if test "$safe_stack" = "yes"; then
5105 cat > $TMPC << EOF
5106 int main(int argc, char *argv[])
5107 {
5108 #if ! __has_feature(safe_stack)
5109 #error SafeStack Disabled
5110 #endif
5111     return 0;
5112 }
5113 EOF
5114   flag="-fsanitize=safe-stack"
5115   # Check that safe-stack is supported and enabled.
5116   if compile_prog "-Werror $flag" "$flag"; then
5117     # Flag needed both at compilation and at linking
5118     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5119     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5120   else
5121     error_exit "SafeStack not supported by your compiler"
5122   fi
5123   if test "$coroutine" != "ucontext"; then
5124     error_exit "SafeStack is only supported by the coroutine backend ucontext"
5125   fi
5126 else
5127 cat > $TMPC << EOF
5128 int main(int argc, char *argv[])
5129 {
5130 #if defined(__has_feature)
5131 #if __has_feature(safe_stack)
5132 #error SafeStack Enabled
5133 #endif
5134 #endif
5135     return 0;
5136 }
5137 EOF
5138 if test "$safe_stack" = "no"; then
5139   # Make sure that safe-stack is disabled
5140   if ! compile_prog "-Werror" ""; then
5141     # SafeStack was already enabled, try to explicitly remove the feature
5142     flag="-fno-sanitize=safe-stack"
5143     if ! compile_prog "-Werror $flag" "$flag"; then
5144       error_exit "Configure cannot disable SafeStack"
5145     fi
5146     QEMU_CFLAGS="$QEMU_CFLAGS $flag"
5147     QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
5148   fi
5149 else # "$safe_stack" = ""
5150   # Set safe_stack to yes or no based on pre-existing flags
5151   if compile_prog "-Werror" ""; then
5152     safe_stack="no"
5153   else
5154     safe_stack="yes"
5155     if test "$coroutine" != "ucontext"; then
5156       error_exit "SafeStack is only supported by the coroutine backend ucontext"
5157     fi
5158   fi
5159 fi
5160 fi
5161
5162 ##########################################
5163 # check if we have open_by_handle_at
5164
5165 open_by_handle_at=no
5166 cat > $TMPC << EOF
5167 #include <fcntl.h>
5168 #if !defined(AT_EMPTY_PATH)
5169 # error missing definition
5170 #else
5171 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
5172 #endif
5173 EOF
5174 if compile_prog "" "" ; then
5175     open_by_handle_at=yes
5176 fi
5177
5178 ########################################
5179 # check if we have linux/magic.h
5180
5181 linux_magic_h=no
5182 cat > $TMPC << EOF
5183 #include <linux/magic.h>
5184 int main(void) {
5185   return 0;
5186 }
5187 EOF
5188 if compile_prog "" "" ; then
5189     linux_magic_h=yes
5190 fi
5191
5192 ########################################
5193 # check if we have valgrind/valgrind.h
5194
5195 valgrind_h=no
5196 cat > $TMPC << EOF
5197 #include <valgrind/valgrind.h>
5198 int main(void) {
5199   return 0;
5200 }
5201 EOF
5202 if compile_prog "" "" ; then
5203     valgrind_h=yes
5204 fi
5205
5206 ########################################
5207 # check if environ is declared
5208
5209 has_environ=no
5210 cat > $TMPC << EOF
5211 #include <unistd.h>
5212 int main(void) {
5213     environ = 0;
5214     return 0;
5215 }
5216 EOF
5217 if compile_prog "" "" ; then
5218     has_environ=yes
5219 fi
5220
5221 ########################################
5222 # check if cpuid.h is usable.
5223
5224 cat > $TMPC << EOF
5225 #include <cpuid.h>
5226 int main(void) {
5227     unsigned a, b, c, d;
5228     int max = __get_cpuid_max(0, 0);
5229
5230     if (max >= 1) {
5231         __cpuid(1, a, b, c, d);
5232     }
5233
5234     if (max >= 7) {
5235         __cpuid_count(7, 0, a, b, c, d);
5236     }
5237
5238     return 0;
5239 }
5240 EOF
5241 if compile_prog "" "" ; then
5242     cpuid_h=yes
5243 fi
5244
5245 ##########################################
5246 # avx2 optimization requirement check
5247 #
5248 # There is no point enabling this if cpuid.h is not usable,
5249 # since we won't be able to select the new routines.
5250
5251 if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
5252   cat > $TMPC << EOF
5253 #pragma GCC push_options
5254 #pragma GCC target("avx2")
5255 #include <cpuid.h>
5256 #include <immintrin.h>
5257 static int bar(void *a) {
5258     __m256i x = *(__m256i *)a;
5259     return _mm256_testz_si256(x, x);
5260 }
5261 int main(int argc, char *argv[]) { return bar(argv[0]); }
5262 EOF
5263   if compile_object "" ; then
5264     avx2_opt="yes"
5265   else
5266     avx2_opt="no"
5267   fi
5268 fi
5269
5270 ##########################################
5271 # avx512f optimization requirement check
5272 #
5273 # There is no point enabling this if cpuid.h is not usable,
5274 # since we won't be able to select the new routines.
5275 # by default, it is turned off.
5276 # if user explicitly want to enable it, check environment
5277
5278 if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
5279   cat > $TMPC << EOF
5280 #pragma GCC push_options
5281 #pragma GCC target("avx512f")
5282 #include <cpuid.h>
5283 #include <immintrin.h>
5284 static int bar(void *a) {
5285     __m512i x = *(__m512i *)a;
5286     return _mm512_test_epi64_mask(x, x);
5287 }
5288 int main(int argc, char *argv[])
5289 {
5290         return bar(argv[0]);
5291 }
5292 EOF
5293   if ! compile_object "" ; then
5294     avx512f_opt="no"
5295   fi
5296 else
5297   avx512f_opt="no"
5298 fi
5299
5300 ########################################
5301 # check if __[u]int128_t is usable.
5302
5303 int128=no
5304 cat > $TMPC << EOF
5305 __int128_t a;
5306 __uint128_t b;
5307 int main (void) {
5308   a = a + b;
5309   b = a * b;
5310   a = a * a;
5311   return 0;
5312 }
5313 EOF
5314 if compile_prog "" "" ; then
5315     int128=yes
5316 fi
5317
5318 #########################################
5319 # See if 128-bit atomic operations are supported.
5320
5321 atomic128=no
5322 if test "$int128" = "yes"; then
5323   cat > $TMPC << EOF
5324 int main(void)
5325 {
5326   unsigned __int128 x = 0, y = 0;
5327   y = __atomic_load_16(&x, 0);
5328   __atomic_store_16(&x, y, 0);
5329   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
5330   return 0;
5331 }
5332 EOF
5333   if compile_prog "" "" ; then
5334     atomic128=yes
5335   fi
5336 fi
5337
5338 cmpxchg128=no
5339 if test "$int128" = yes && test "$atomic128" = no; then
5340   cat > $TMPC << EOF
5341 int main(void)
5342 {
5343   unsigned __int128 x = 0, y = 0;
5344   __sync_val_compare_and_swap_16(&x, y, x);
5345   return 0;
5346 }
5347 EOF
5348   if compile_prog "" "" ; then
5349     cmpxchg128=yes
5350   fi
5351 fi
5352
5353 #########################################
5354 # See if 64-bit atomic operations are supported.
5355 # Note that without __atomic builtins, we can only
5356 # assume atomic loads/stores max at pointer size.
5357
5358 cat > $TMPC << EOF
5359 #include <stdint.h>
5360 int main(void)
5361 {
5362   uint64_t x = 0, y = 0;
5363 #ifdef __ATOMIC_RELAXED
5364   y = __atomic_load_n(&x, __ATOMIC_RELAXED);
5365   __atomic_store_n(&x, y, __ATOMIC_RELAXED);
5366   __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
5367   __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
5368   __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
5369 #else
5370   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
5371   __sync_lock_test_and_set(&x, y);
5372   __sync_val_compare_and_swap(&x, y, 0);
5373   __sync_fetch_and_add(&x, y);
5374 #endif
5375   return 0;
5376 }
5377 EOF
5378 if compile_prog "" "" ; then
5379   atomic64=yes
5380 fi
5381
5382 #########################################
5383 # See if --dynamic-list is supported by the linker
5384 ld_dynamic_list="no"
5385 if test "$static" = "no" ; then
5386     cat > $TMPTXT <<EOF
5387 {
5388   foo;
5389 };
5390 EOF
5391
5392     cat > $TMPC <<EOF
5393 #include <stdio.h>
5394 void foo(void);
5395
5396 void foo(void)
5397 {
5398   printf("foo\n");
5399 }
5400
5401 int main(void)
5402 {
5403   foo();
5404   return 0;
5405 }
5406 EOF
5407
5408     if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
5409         ld_dynamic_list="yes"
5410     fi
5411 fi
5412
5413 #########################################
5414 # See if -exported_symbols_list is supported by the linker
5415
5416 ld_exported_symbols_list="no"
5417 if test "$static" = "no" ; then
5418     cat > $TMPTXT <<EOF
5419   _foo
5420 EOF
5421
5422     if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
5423         ld_exported_symbols_list="yes"
5424     fi
5425 fi
5426
5427 if  test "$plugins" = "yes" &&
5428     test "$ld_dynamic_list" = "no" &&
5429     test "$ld_exported_symbols_list" = "no" ; then
5430   error_exit \
5431       "Plugin support requires dynamic linking and specifying a set of symbols " \
5432       "that are exported to plugins. Unfortunately your linker doesn't " \
5433       "support the flag (--dynamic-list or -exported_symbols_list) used " \
5434       "for this purpose. You can't build with --static."
5435 fi
5436
5437 ########################################
5438 # See if __attribute__((alias)) is supported.
5439 # This false for Xcode 9, but has been remedied for Xcode 10.
5440 # Unfortunately, travis uses Xcode 9 by default.
5441
5442 attralias=no
5443 cat > $TMPC << EOF
5444 int x = 1;
5445 extern const int y __attribute__((alias("x")));
5446 int main(void) { return 0; }
5447 EOF
5448 if compile_prog "" "" ; then
5449     attralias=yes
5450 fi
5451
5452 ########################################
5453 # check if getauxval is available.
5454
5455 getauxval=no
5456 cat > $TMPC << EOF
5457 #include <sys/auxv.h>
5458 int main(void) {
5459   return getauxval(AT_HWCAP) == 0;
5460 }
5461 EOF
5462 if compile_prog "" "" ; then
5463     getauxval=yes
5464 fi
5465
5466 ########################################
5467 # check if ccache is interfering with
5468 # semantic analysis of macros
5469
5470 unset CCACHE_CPP2
5471 ccache_cpp2=no
5472 cat > $TMPC << EOF
5473 static const int Z = 1;
5474 #define fn() ({ Z; })
5475 #define TAUT(X) ((X) == Z)
5476 #define PAREN(X, Y) (X == Y)
5477 #define ID(X) (X)
5478 int main(int argc, char *argv[])
5479 {
5480     int x = 0, y = 0;
5481     x = ID(x);
5482     x = fn();
5483     fn();
5484     if (PAREN(x, y)) return 0;
5485     if (TAUT(Z)) return 0;
5486     return 0;
5487 }
5488 EOF
5489
5490 if ! compile_object "-Werror"; then
5491     ccache_cpp2=yes
5492 fi
5493
5494 #################################################
5495 # clang does not support glibc + FORTIFY_SOURCE.
5496
5497 if test "$fortify_source" != "no"; then
5498   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
5499     fortify_source="no";
5500   elif test -n "$cxx" && has $cxx &&
5501        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
5502     fortify_source="no";
5503   else
5504     fortify_source="yes"
5505   fi
5506 fi
5507
5508 ###############################################
5509 # Check if copy_file_range is provided by glibc
5510 have_copy_file_range=no
5511 cat > $TMPC << EOF
5512 #include <unistd.h>
5513 int main(void) {
5514   copy_file_range(0, NULL, 0, NULL, 0, 0);
5515   return 0;
5516 }
5517 EOF
5518 if compile_prog "" "" ; then
5519     have_copy_file_range=yes
5520 fi
5521
5522 ##########################################
5523 # check if struct fsxattr is available via linux/fs.h
5524
5525 have_fsxattr=no
5526 cat > $TMPC << EOF
5527 #include <linux/fs.h>
5528 struct fsxattr foo;
5529 int main(void) {
5530   return 0;
5531 }
5532 EOF
5533 if compile_prog "" "" ; then
5534     have_fsxattr=yes
5535 fi
5536
5537 ##########################################
5538 # check for usable membarrier system call
5539 if test "$membarrier" = "yes"; then
5540     have_membarrier=no
5541     if test "$mingw32" = "yes" ; then
5542         have_membarrier=yes
5543     elif test "$linux" = "yes" ; then
5544         cat > $TMPC << EOF
5545     #include <linux/membarrier.h>
5546     #include <sys/syscall.h>
5547     #include <unistd.h>
5548     #include <stdlib.h>
5549     int main(void) {
5550         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
5551         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
5552         exit(0);
5553     }
5554 EOF
5555         if compile_prog "" "" ; then
5556             have_membarrier=yes
5557         fi
5558     fi
5559     if test "$have_membarrier" = "no"; then
5560       feature_not_found "membarrier" "membarrier system call not available"
5561     fi
5562 else
5563     # Do not enable it by default even for Mingw32, because it doesn't
5564     # work on Wine.
5565     membarrier=no
5566 fi
5567
5568 ##########################################
5569 # check if rtnetlink.h exists and is useful
5570 have_rtnetlink=no
5571 cat > $TMPC << EOF
5572 #include <linux/rtnetlink.h>
5573 int main(void) {
5574   return IFLA_PROTO_DOWN;
5575 }
5576 EOF
5577 if compile_prog "" "" ; then
5578     have_rtnetlink=yes
5579 fi
5580
5581 ##########################################
5582 # check for usable AF_VSOCK environment
5583 have_af_vsock=no
5584 cat > $TMPC << EOF
5585 #include <errno.h>
5586 #include <sys/types.h>
5587 #include <sys/socket.h>
5588 #if !defined(AF_VSOCK)
5589 # error missing AF_VSOCK flag
5590 #endif
5591 #include <linux/vm_sockets.h>
5592 int main(void) {
5593     int sock, ret;
5594     struct sockaddr_vm svm;
5595     socklen_t len = sizeof(svm);
5596     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
5597     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
5598     if ((ret == -1) && (errno == ENOTCONN)) {
5599         return 0;
5600     }
5601     return -1;
5602 }
5603 EOF
5604 if compile_prog "" "" ; then
5605     have_af_vsock=yes
5606 fi
5607
5608 ##########################################
5609 # check for usable AF_ALG environment
5610 have_afalg=no
5611 cat > $TMPC << EOF
5612 #include <errno.h>
5613 #include <sys/types.h>
5614 #include <sys/socket.h>
5615 #include <linux/if_alg.h>
5616 int main(void) {
5617     int sock;
5618     sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
5619     return sock;
5620 }
5621 EOF
5622 if compile_prog "" "" ; then
5623     have_afalg=yes
5624 fi
5625 if test "$crypto_afalg" = "yes"
5626 then
5627     if test "$have_afalg" != "yes"
5628     then
5629         error_exit "AF_ALG requested but could not be detected"
5630     fi
5631 fi
5632
5633
5634 #################################################
5635 # check for sysmacros.h
5636
5637 have_sysmacros=no
5638 cat > $TMPC << EOF
5639 #include <sys/sysmacros.h>
5640 int main(void) {
5641     return makedev(0, 0);
5642 }
5643 EOF
5644 if compile_prog "" "" ; then
5645     have_sysmacros=yes
5646 fi
5647
5648 ##########################################
5649 # check for _Static_assert()
5650
5651 have_static_assert=no
5652 cat > $TMPC << EOF
5653 _Static_assert(1, "success");
5654 int main(void) {
5655     return 0;
5656 }
5657 EOF
5658 if compile_prog "" "" ; then
5659     have_static_assert=yes
5660 fi
5661
5662 ##########################################
5663 # check for utmpx.h, it is missing e.g. on OpenBSD
5664
5665 have_utmpx=no
5666 cat > $TMPC << EOF
5667 #include <utmpx.h>
5668 struct utmpx user_info;
5669 int main(void) {
5670     return 0;
5671 }
5672 EOF
5673 if compile_prog "" "" ; then
5674     have_utmpx=yes
5675 fi
5676
5677 ##########################################
5678 # check for getrandom()
5679
5680 have_getrandom=no
5681 cat > $TMPC << EOF
5682 #include <sys/random.h>
5683 int main(void) {
5684     return getrandom(0, 0, GRND_NONBLOCK);
5685 }
5686 EOF
5687 if compile_prog "" "" ; then
5688     have_getrandom=yes
5689 fi
5690
5691 ##########################################
5692 # checks for sanitizers
5693
5694 have_asan=no
5695 have_ubsan=no
5696 have_asan_iface_h=no
5697 have_asan_iface_fiber=no
5698
5699 if test "$sanitizers" = "yes" ; then
5700   write_c_skeleton
5701   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
5702       have_asan=yes
5703   fi
5704
5705   # we could use a simple skeleton for flags checks, but this also
5706   # detect the static linking issue of ubsan, see also:
5707   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
5708   cat > $TMPC << EOF
5709 #include <stdlib.h>
5710 int main(void) {
5711     void *tmp = malloc(10);
5712     if (tmp != NULL) {
5713         return *(int *)(tmp + 2);
5714     }
5715     return 1;
5716 }
5717 EOF
5718   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
5719       have_ubsan=yes
5720   fi
5721
5722   if check_include "sanitizer/asan_interface.h" ; then
5723       have_asan_iface_h=yes
5724   fi
5725
5726   cat > $TMPC << EOF
5727 #include <sanitizer/asan_interface.h>
5728 int main(void) {
5729   __sanitizer_start_switch_fiber(0, 0, 0);
5730   return 0;
5731 }
5732 EOF
5733   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
5734       have_asan_iface_fiber=yes
5735   fi
5736 fi
5737
5738 ##########################################
5739 # checks for fuzzer
5740 if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then
5741   write_c_fuzzer_skeleton
5742   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
5743     have_fuzzer=yes
5744   else
5745     error_exit "Your compiler doesn't support -fsanitize=fuzzer"
5746     exit 1
5747   fi
5748 fi
5749
5750 # Thread sanitizer is, for now, much noisier than the other sanitizers;
5751 # keep it separate until that is not the case.
5752 if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
5753   error_exit "TSAN is not supported with other sanitiziers."
5754 fi
5755 have_tsan=no
5756 have_tsan_iface_fiber=no
5757 if test "$tsan" = "yes" ; then
5758   write_c_skeleton
5759   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5760       have_tsan=yes
5761   fi
5762   cat > $TMPC << EOF
5763 #include <sanitizer/tsan_interface.h>
5764 int main(void) {
5765   __tsan_create_fiber(0);
5766   return 0;
5767 }
5768 EOF
5769   if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
5770       have_tsan_iface_fiber=yes
5771   fi
5772 fi
5773
5774 ##########################################
5775 # check for libpmem
5776
5777 if test "$libpmem" != "no"; then
5778         if $pkg_config --exists "libpmem"; then
5779                 libpmem="yes"
5780                 libpmem_libs=$($pkg_config --libs libpmem)
5781                 libpmem_cflags=$($pkg_config --cflags libpmem)
5782         else
5783                 if test "$libpmem" = "yes" ; then
5784                         feature_not_found "libpmem" "Install nvml or pmdk"
5785                 fi
5786                 libpmem="no"
5787         fi
5788 fi
5789
5790 ##########################################
5791 # check for libdaxctl
5792
5793 if test "$libdaxctl" != "no"; then
5794         if $pkg_config --atleast-version=57 "libdaxctl"; then
5795                 libdaxctl="yes"
5796                 libdaxctl_libs=$($pkg_config --libs libdaxctl)
5797                 libdaxctl_cflags=$($pkg_config --cflags libdaxctl)
5798         else
5799                 if test "$libdaxctl" = "yes" ; then
5800                         feature_not_found "libdaxctl" "Install libdaxctl"
5801                 fi
5802                 libdaxctl="no"
5803         fi
5804 fi
5805
5806 ##########################################
5807 # check for slirp
5808
5809 # slirp is only required when building softmmu targets
5810 if test -z "$slirp" -a "$softmmu" != "yes" ; then
5811     slirp="no"
5812 fi
5813
5814 case "$slirp" in
5815   "" | yes)
5816     if $pkg_config slirp; then
5817       slirp=system
5818     elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then
5819       slirp=git
5820     elif test -e "${source_path}/slirp/Makefile" ; then
5821       slirp=internal
5822     elif test -z "$slirp" ; then
5823       slirp=no
5824     else
5825       feature_not_found "slirp" "Install slirp devel or git submodule"
5826     fi
5827     ;;
5828
5829   system)
5830     if ! $pkg_config slirp; then
5831       feature_not_found "slirp" "Install slirp devel"
5832     fi
5833     ;;
5834 esac
5835
5836 case "$slirp" in
5837   git | internal)
5838     if test "$slirp" = git; then
5839       git_submodules="${git_submodules} slirp"
5840     fi
5841     mkdir -p slirp
5842     slirp_cflags="-I${source_path}/slirp/src -Islirp/src"
5843     slirp_libs="-Lslirp -lslirp"
5844     if test "$mingw32" = "yes" ; then
5845       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
5846     fi
5847     ;;
5848
5849   system)
5850     slirp_version=$($pkg_config --modversion slirp 2>/dev/null)
5851     slirp_cflags=$($pkg_config --cflags slirp 2>/dev/null)
5852     slirp_libs=$($pkg_config --libs slirp 2>/dev/null)
5853     ;;
5854
5855   no)
5856     ;;
5857   *)
5858     error_exit "Unknown state for slirp: $slirp"
5859     ;;
5860 esac
5861
5862 ##########################################
5863 # check for usable __NR_keyctl syscall
5864
5865 if test "$linux" = "yes" ; then
5866
5867     have_keyring=no
5868     cat > $TMPC << EOF
5869 #include <errno.h>
5870 #include <asm/unistd.h>
5871 #include <linux/keyctl.h>
5872 #include <unistd.h>
5873 int main(void) {
5874     return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
5875 }
5876 EOF
5877     if compile_prog "" "" ; then
5878         have_keyring=yes
5879     fi
5880 fi
5881 if test "$secret_keyring" != "no"
5882 then
5883     if test "$have_keyring" = "yes"
5884     then
5885         secret_keyring=yes
5886     else
5887         if test "$secret_keyring" = "yes"
5888         then
5889             error_exit "syscall __NR_keyctl requested, \
5890 but not implemented on your system"
5891         else
5892             secret_keyring=no
5893         fi
5894     fi
5895 fi
5896
5897 ##########################################
5898 # End of CC checks
5899 # After here, no more $cc or $ld runs
5900
5901 write_c_skeleton
5902
5903 if test "$gcov" = "yes" ; then
5904   :
5905 elif test "$fortify_source" = "yes" ; then
5906   QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
5907   debug=no
5908 fi
5909 if test "$debug_info" = "yes"; then
5910   CFLAGS="-g $CFLAGS"
5911   LDFLAGS="-g $LDFLAGS"
5912 fi
5913 if test "$debug" = "no"; then
5914   CFLAGS="-O2 $CFLAGS"
5915 fi
5916
5917 case "$ARCH" in
5918 alpha)
5919   # Ensure there's only a single GP
5920   QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
5921 ;;
5922 esac
5923
5924 if test "$gprof" = "yes" ; then
5925   QEMU_CFLAGS="-p $QEMU_CFLAGS"
5926   QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
5927 fi
5928
5929 if test "$have_asan" = "yes"; then
5930   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
5931   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
5932   if test "$have_asan_iface_h" = "no" ; then
5933       echo "ASAN build enabled, but ASAN header missing." \
5934            "Without code annotation, the report may be inferior."
5935   elif test "$have_asan_iface_fiber" = "no" ; then
5936       echo "ASAN build enabled, but ASAN header is too old." \
5937            "Without code annotation, the report may be inferior."
5938   fi
5939 fi
5940 if test "$have_tsan" = "yes" ; then
5941   if test "$have_tsan_iface_fiber" = "yes" ; then
5942     QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
5943     QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
5944   else
5945     error_exit "Cannot enable TSAN due to missing fiber annotation interface."
5946   fi
5947 elif test "$tsan" = "yes" ; then
5948   error_exit "Cannot enable TSAN due to missing sanitize thread interface."
5949 fi
5950 if test "$have_ubsan" = "yes"; then
5951   QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
5952   QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
5953 fi
5954
5955 ##########################################
5956 # Do we have libnfs
5957 if test "$libnfs" != "no" ; then
5958   if $pkg_config --atleast-version=1.9.3 libnfs; then
5959     libnfs="yes"
5960     libnfs_libs=$($pkg_config --libs libnfs)
5961   else
5962     if test "$libnfs" = "yes" ; then
5963       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
5964     fi
5965     libnfs="no"
5966   fi
5967 fi
5968
5969 ##########################################
5970
5971 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
5972 if test "$solaris" = "no" && test "$tsan" = "no"; then
5973     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
5974         QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
5975     fi
5976 fi
5977
5978 # Use ASLR, no-SEH and DEP if available
5979 if test "$mingw32" = "yes" ; then
5980     for flag in --dynamicbase --no-seh --nxcompat; do
5981         if ld_has $flag ; then
5982             QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
5983         fi
5984     done
5985 fi
5986
5987 qemu_confdir="$sysconfdir/$qemu_suffix"
5988 qemu_moddir="$libdir/$qemu_suffix"
5989 qemu_datadir="$datadir/$qemu_suffix"
5990 qemu_docdir="$docdir/$qemu_suffix"
5991 qemu_localedir="$datadir/locale"
5992 qemu_icondir="$datadir/icons"
5993 qemu_desktopdir="$datadir/applications"
5994
5995 # We can only support ivshmem if we have eventfd
5996 if [ "$eventfd" = "yes" ]; then
5997   ivshmem=yes
5998 fi
5999
6000 if test "$softmmu" = yes ; then
6001   if test "$linux" = yes; then
6002     if test "$virtfs" != no && test "$cap_ng" = yes && test "$attr" = yes ; then
6003       virtfs=yes
6004     else
6005       if test "$virtfs" = yes; then
6006         error_exit "VirtFS requires libcap-ng devel and libattr devel"
6007       fi
6008       virtfs=no
6009     fi
6010   else
6011     if test "$virtfs" = yes; then
6012       error_exit "VirtFS is supported only on Linux"
6013     fi
6014     virtfs=no
6015   fi
6016 fi
6017
6018 # Probe for guest agent support/options
6019
6020 if [ "$guest_agent" != "no" ]; then
6021   if [ "$softmmu" = no -a "$want_tools" = no ] ; then
6022       guest_agent=no
6023   elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
6024       guest_agent=yes
6025   elif [ "$guest_agent" != yes ]; then
6026       guest_agent=no
6027   else
6028       error_exit "Guest agent is not supported on this platform"
6029   fi
6030 fi
6031
6032 # Guest agent Window MSI  package
6033
6034 if test "$guest_agent" != yes; then
6035   if test "$guest_agent_msi" = yes; then
6036     error_exit "MSI guest agent package requires guest agent enabled"
6037   fi
6038   guest_agent_msi=no
6039 elif test "$mingw32" != "yes"; then
6040   if test "$guest_agent_msi" = "yes"; then
6041     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
6042   fi
6043   guest_agent_msi=no
6044 elif ! has wixl; then
6045   if test "$guest_agent_msi" = "yes"; then
6046     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
6047   fi
6048   guest_agent_msi=no
6049 else
6050   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
6051   # disabled explicitly
6052   if test "$guest_agent_msi" != "no"; then
6053     guest_agent_msi=yes
6054   fi
6055 fi
6056
6057 if test "$guest_agent_msi" = "yes"; then
6058   if test "$guest_agent_with_vss" = "yes"; then
6059     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
6060   fi
6061
6062   if test "$QEMU_GA_MANUFACTURER" = ""; then
6063     QEMU_GA_MANUFACTURER=QEMU
6064   fi
6065
6066   if test "$QEMU_GA_DISTRO" = ""; then
6067     QEMU_GA_DISTRO=Linux
6068   fi
6069
6070   if test "$QEMU_GA_VERSION" = ""; then
6071       QEMU_GA_VERSION=$(cat $source_path/VERSION)
6072   fi
6073
6074   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
6075
6076   case "$cpu" in
6077   x86_64)
6078     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
6079     ;;
6080   i386)
6081     QEMU_GA_MSI_ARCH="-D Arch=32"
6082     ;;
6083   *)
6084     error_exit "CPU $cpu not supported for building installation package"
6085     ;;
6086   esac
6087 fi
6088
6089 # Mac OS X ships with a broken assembler
6090 roms=
6091 if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \
6092         test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \
6093         test "$softmmu" = yes ; then
6094     # Different host OS linkers have different ideas about the name of the ELF
6095     # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
6096     # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
6097     for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
6098         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
6099             ld_i386_emulation="$emu"
6100             roms="optionrom"
6101             break
6102         fi
6103     done
6104 fi
6105
6106 # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
6107 if test "$cpu" = "s390x" ; then
6108   write_c_skeleton
6109   if compile_prog "-march=z900" ""; then
6110     roms="$roms s390-ccw"
6111     # SLOF is required for building the s390-ccw firmware on s390x,
6112     # since it is using the libnet code from SLOF for network booting.
6113     if test -e "${source_path}/.git" ; then
6114       git_submodules="${git_submodules} roms/SLOF"
6115     fi
6116   fi
6117 fi
6118
6119 # Check that the C++ compiler exists and works with the C compiler.
6120 # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
6121 if has $cxx; then
6122     cat > $TMPC <<EOF
6123 int c_function(void);
6124 int main(void) { return c_function(); }
6125 EOF
6126
6127     compile_object
6128
6129     cat > $TMPCXX <<EOF
6130 extern "C" {
6131    int c_function(void);
6132 }
6133 int c_function(void) { return 42; }
6134 EOF
6135
6136     update_cxxflags
6137
6138     if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
6139         # C++ compiler $cxx works ok with C compiler $cc
6140         :
6141     else
6142         echo "C++ compiler $cxx does not work with C compiler $cc"
6143         echo "Disabling C++ specific optional code"
6144         cxx=
6145     fi
6146 else
6147     echo "No C++ compiler available; disabling C++ specific optional code"
6148     cxx=
6149 fi
6150
6151 if test $git_update = 'yes' ; then
6152     (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules")
6153 fi
6154 if test "$fdt" = "git" ; then
6155     symlink "$source_path/dtc/Makefile" "dtc/Makefile"
6156 fi
6157
6158 config_host_mak="config-host.mak"
6159
6160 echo "# Automatically generated by configure - do not modify" > $config_host_mak
6161 echo >> $config_host_mak
6162
6163 echo all: >> $config_host_mak
6164 echo "prefix=$prefix" >> $config_host_mak
6165 echo "bindir=$bindir" >> $config_host_mak
6166 echo "libdir=$libdir" >> $config_host_mak
6167 echo "libexecdir=$libexecdir" >> $config_host_mak
6168 echo "includedir=$includedir" >> $config_host_mak
6169 echo "sysconfdir=$sysconfdir" >> $config_host_mak
6170 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
6171 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
6172 echo "qemu_firmwarepath=$firmwarepath" >> $config_host_mak
6173 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
6174 if test "$mingw32" = "no" ; then
6175   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
6176 fi
6177 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
6178 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
6179 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
6180 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
6181 echo "GIT=$git" >> $config_host_mak
6182 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
6183 echo "GIT_UPDATE=$git_update" >> $config_host_mak
6184
6185 echo "ARCH=$ARCH" >> $config_host_mak
6186
6187 if test "$default_devices" = "yes" ; then
6188   echo "CONFIG_MINIKCONF_MODE=--defconfig" >> $config_host_mak
6189 else
6190   echo "CONFIG_MINIKCONF_MODE=--allnoconfig" >> $config_host_mak
6191 fi
6192 if test "$debug_tcg" = "yes" ; then
6193   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
6194 fi
6195 if test "$strip_opt" = "yes" ; then
6196   echo "STRIP=${strip}" >> $config_host_mak
6197 fi
6198 if test "$bigendian" = "yes" ; then
6199   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
6200 fi
6201 if test "$mingw32" = "yes" ; then
6202   echo "CONFIG_WIN32=y" >> $config_host_mak
6203   rc_version=$(cat $source_path/VERSION)
6204   version_major=${rc_version%%.*}
6205   rc_version=${rc_version#*.}
6206   version_minor=${rc_version%%.*}
6207   rc_version=${rc_version#*.}
6208   version_subminor=${rc_version%%.*}
6209   version_micro=0
6210   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6211   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
6212   if test "$guest_agent_with_vss" = "yes" ; then
6213     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
6214     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
6215     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
6216   fi
6217   if test "$guest_agent_ntddscsi" = "yes" ; then
6218     echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak
6219   fi
6220   if test "$guest_agent_msi" = "yes"; then
6221     echo "CONFIG_QGA_MSI=y" >> $config_host_mak
6222     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
6223     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
6224     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
6225     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
6226     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
6227     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
6228   fi
6229 else
6230   echo "CONFIG_POSIX=y" >> $config_host_mak
6231 fi
6232
6233 if test "$linux" = "yes" ; then
6234   echo "CONFIG_LINUX=y" >> $config_host_mak
6235 fi
6236
6237 if test "$darwin" = "yes" ; then
6238   echo "CONFIG_DARWIN=y" >> $config_host_mak
6239 fi
6240
6241 if test "$solaris" = "yes" ; then
6242   echo "CONFIG_SOLARIS=y" >> $config_host_mak
6243 fi
6244 if test "$haiku" = "yes" ; then
6245   echo "CONFIG_HAIKU=y" >> $config_host_mak
6246 fi
6247 if test "$static" = "yes" ; then
6248   echo "CONFIG_STATIC=y" >> $config_host_mak
6249 fi
6250 if test "$profiler" = "yes" ; then
6251   echo "CONFIG_PROFILER=y" >> $config_host_mak
6252 fi
6253 if test "$want_tools" = "yes" ; then
6254   echo "CONFIG_TOOLS=y" >> $config_host_mak
6255 fi
6256 if test "$guest_agent" = "yes" ; then
6257   echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
6258 fi
6259 if test "$slirp" != "no"; then
6260   echo "CONFIG_SLIRP=y" >> $config_host_mak
6261   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
6262   echo "SLIRP_CFLAGS=$slirp_cflags" >> $config_host_mak
6263   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
6264 fi
6265 subdirs=
6266 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
6267   subdirs="$subdirs slirp"
6268 fi
6269 if test "$vde" = "yes" ; then
6270   echo "CONFIG_VDE=y" >> $config_host_mak
6271   echo "VDE_LIBS=$vde_libs" >> $config_host_mak
6272 fi
6273 if test "$netmap" = "yes" ; then
6274   echo "CONFIG_NETMAP=y" >> $config_host_mak
6275 fi
6276 if test "$l2tpv3" = "yes" ; then
6277   echo "CONFIG_L2TPV3=y" >> $config_host_mak
6278 fi
6279 if test "$gprof" = "yes" ; then
6280   echo "CONFIG_GPROF=y" >> $config_host_mak
6281 fi
6282 if test "$cap_ng" = "yes" ; then
6283   echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
6284   echo "LIBCAP_NG_LIBS=$cap_libs" >> $config_host_mak
6285 fi
6286 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
6287 for drv in $audio_drv_list; do
6288     def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
6289     echo "$def=y" >> $config_host_mak
6290 done
6291 if test "$alsa" = "yes" ; then
6292     echo "CONFIG_ALSA=y" >> $config_host_mak
6293 fi
6294 echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak
6295 echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak
6296 if test "$libpulse" = "yes" ; then
6297     echo "CONFIG_LIBPULSE=y" >> $config_host_mak
6298 fi
6299 echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak
6300 echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak
6301 echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak
6302 echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak
6303 echo "OSS_LIBS=$oss_libs" >> $config_host_mak
6304 if test "$libjack" = "yes" ; then
6305     echo "CONFIG_LIBJACK=y" >> $config_host_mak
6306 fi
6307 echo "JACK_LIBS=$jack_libs" >> $config_host_mak
6308 if test "$audio_win_int" = "yes" ; then
6309   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
6310 fi
6311 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
6312 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
6313 if test "$xfs" = "yes" ; then
6314   echo "CONFIG_XFS=y" >> $config_host_mak
6315 fi
6316 qemu_version=$(head $source_path/VERSION)
6317 echo "PKGVERSION=$pkgversion" >>$config_host_mak
6318 echo "SRC_PATH=$source_path" >> $config_host_mak
6319 echo "TARGET_DIRS=$target_list" >> $config_host_mak
6320 if [ "$docs" = "yes" ] ; then
6321   echo "BUILD_DOCS=yes" >> $config_host_mak
6322 fi
6323 if test "$modules" = "yes"; then
6324   # $shacmd can generate a hash started with digit, which the compiler doesn't
6325   # like as an symbol. So prefix it with an underscore
6326   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
6327   echo "CONFIG_MODULES=y" >> $config_host_mak
6328 fi
6329 if test "$module_upgrades" = "yes"; then
6330   echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak
6331 fi
6332 if test "$have_x11" = "yes" && test "$need_x11" = "yes"; then
6333   echo "CONFIG_X11=y" >> $config_host_mak
6334   echo "X11_CFLAGS=$x11_cflags" >> $config_host_mak
6335   echo "X11_LIBS=$x11_libs" >> $config_host_mak
6336 fi
6337 if test "$iconv" = "yes" ; then
6338   echo "CONFIG_ICONV=y" >> $config_host_mak
6339   echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
6340   echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
6341 fi
6342 if test "$curses" = "yes" ; then
6343   echo "CONFIG_CURSES=y" >> $config_host_mak
6344   echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
6345   echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
6346 fi
6347 if test "$pipe2" = "yes" ; then
6348   echo "CONFIG_PIPE2=y" >> $config_host_mak
6349 fi
6350 if test "$accept4" = "yes" ; then
6351   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
6352 fi
6353 if test "$splice" = "yes" ; then
6354   echo "CONFIG_SPLICE=y" >> $config_host_mak
6355 fi
6356 if test "$eventfd" = "yes" ; then
6357   echo "CONFIG_EVENTFD=y" >> $config_host_mak
6358 fi
6359 if test "$memfd" = "yes" ; then
6360   echo "CONFIG_MEMFD=y" >> $config_host_mak
6361 fi
6362 if test "$have_usbfs" = "yes" ; then
6363   echo "CONFIG_USBFS=y" >> $config_host_mak
6364 fi
6365 if test "$fallocate" = "yes" ; then
6366   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
6367 fi
6368 if test "$fallocate_punch_hole" = "yes" ; then
6369   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
6370 fi
6371 if test "$fallocate_zero_range" = "yes" ; then
6372   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
6373 fi
6374 if test "$posix_fallocate" = "yes" ; then
6375   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
6376 fi
6377 if test "$sync_file_range" = "yes" ; then
6378   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
6379 fi
6380 if test "$fiemap" = "yes" ; then
6381   echo "CONFIG_FIEMAP=y" >> $config_host_mak
6382 fi
6383 if test "$dup3" = "yes" ; then
6384   echo "CONFIG_DUP3=y" >> $config_host_mak
6385 fi
6386 if test "$ppoll" = "yes" ; then
6387   echo "CONFIG_PPOLL=y" >> $config_host_mak
6388 fi
6389 if test "$prctl_pr_set_timerslack" = "yes" ; then
6390   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
6391 fi
6392 if test "$epoll" = "yes" ; then
6393   echo "CONFIG_EPOLL=y" >> $config_host_mak
6394 fi
6395 if test "$epoll_create1" = "yes" ; then
6396   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
6397 fi
6398 if test "$sendfile" = "yes" ; then
6399   echo "CONFIG_SENDFILE=y" >> $config_host_mak
6400 fi
6401 if test "$timerfd" = "yes" ; then
6402   echo "CONFIG_TIMERFD=y" >> $config_host_mak
6403 fi
6404 if test "$setns" = "yes" ; then
6405   echo "CONFIG_SETNS=y" >> $config_host_mak
6406 fi
6407 if test "$clock_adjtime" = "yes" ; then
6408   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
6409 fi
6410 if test "$syncfs" = "yes" ; then
6411   echo "CONFIG_SYNCFS=y" >> $config_host_mak
6412 fi
6413 if test "$kcov" = "yes" ; then
6414   echo "CONFIG_KCOV=y" >> $config_host_mak
6415 fi
6416 if test "$btrfs" = "yes" ; then
6417   echo "CONFIG_BTRFS=y" >> $config_host_mak
6418 fi
6419 if test "$inotify" = "yes" ; then
6420   echo "CONFIG_INOTIFY=y" >> $config_host_mak
6421 fi
6422 if test "$inotify1" = "yes" ; then
6423   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
6424 fi
6425 if test "$sem_timedwait" = "yes" ; then
6426   echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
6427 fi
6428 if test "$strchrnul" = "yes" ; then
6429   echo "HAVE_STRCHRNUL=y" >> $config_host_mak
6430 fi
6431 if test "$st_atim" = "yes" ; then
6432   echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
6433 fi
6434 if test "$byteswap_h" = "yes" ; then
6435   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
6436 fi
6437 if test "$bswap_h" = "yes" ; then
6438   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
6439 fi
6440 if test "$curl" = "yes" ; then
6441   echo "CONFIG_CURL=y" >> $config_host_mak
6442   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
6443   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
6444 fi
6445 if test "$brlapi" = "yes" ; then
6446   echo "CONFIG_BRLAPI=y" >> $config_host_mak
6447   echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
6448 fi
6449 if test "$gtk" = "yes" ; then
6450   echo "CONFIG_GTK=y" >> $config_host_mak
6451   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
6452   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
6453   if test "$gtk_gl" = "yes" ; then
6454     echo "CONFIG_GTK_GL=y" >> $config_host_mak
6455   fi
6456 fi
6457 if test "$gio" = "yes" ; then
6458     echo "CONFIG_GIO=y" >> $config_host_mak
6459     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
6460     echo "GIO_LIBS=$gio_libs" >> $config_host_mak
6461     echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak
6462 fi
6463 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
6464 if test "$gnutls" = "yes" ; then
6465   echo "CONFIG_GNUTLS=y" >> $config_host_mak
6466   echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak
6467   echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak
6468 fi
6469 if test "$gcrypt" = "yes" ; then
6470   echo "CONFIG_GCRYPT=y" >> $config_host_mak
6471   if test "$gcrypt_hmac" = "yes" ; then
6472     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
6473   fi
6474   echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
6475   echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
6476 fi
6477 if test "$nettle" = "yes" ; then
6478   echo "CONFIG_NETTLE=y" >> $config_host_mak
6479   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
6480   echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak
6481   echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak
6482 fi
6483 if test "$qemu_private_xts" = "yes" ; then
6484   echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak
6485 fi
6486 if test "$tasn1" = "yes" ; then
6487   echo "CONFIG_TASN1=y" >> $config_host_mak
6488 fi
6489 if test "$auth_pam" = "yes" ; then
6490     echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
6491 fi
6492 if test "$have_ifaddrs_h" = "yes" ; then
6493     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
6494 fi
6495 if test "$have_drm_h" = "yes" ; then
6496   echo "HAVE_DRM_H=y" >> $config_host_mak
6497 fi
6498 if test "$have_broken_size_max" = "yes" ; then
6499     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
6500 fi
6501 if test "$have_openpty" = "yes" ; then
6502     echo "HAVE_OPENPTY=y" >> $config_host_mak
6503 fi
6504 if test "$have_sys_signal_h" = "yes" ; then
6505     echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
6506 fi
6507
6508 # Work around a system header bug with some kernel/XFS header
6509 # versions where they both try to define 'struct fsxattr':
6510 # xfs headers will not try to redefine structs from linux headers
6511 # if this macro is set.
6512 if test "$have_fsxattr" = "yes" ; then
6513     echo "HAVE_FSXATTR=y" >> $config_host_mak
6514 fi
6515 if test "$have_copy_file_range" = "yes" ; then
6516     echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak
6517 fi
6518 if test "$vte" = "yes" ; then
6519   echo "CONFIG_VTE=y" >> $config_host_mak
6520   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
6521   echo "VTE_LIBS=$vte_libs" >> $config_host_mak
6522 fi
6523 if test "$virglrenderer" = "yes" ; then
6524   echo "CONFIG_VIRGL=y" >> $config_host_mak
6525   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
6526   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
6527 fi
6528 if test "$xen" = "enabled" ; then
6529   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
6530   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
6531   echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak
6532   echo "XEN_LIBS=$xen_libs" >> $config_host_mak
6533 fi
6534 if test "$linux_aio" = "yes" ; then
6535   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
6536 fi
6537 if test "$linux_io_uring" = "yes" ; then
6538   echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
6539   echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
6540   echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
6541 fi
6542 if test "$attr" = "yes" ; then
6543   echo "CONFIG_ATTR=y" >> $config_host_mak
6544   echo "LIBATTR_LIBS=$libattr_libs" >> $config_host_mak
6545 fi
6546 if test "$libattr" = "yes" ; then
6547   echo "CONFIG_LIBATTR=y" >> $config_host_mak
6548 fi
6549 if test "$virtfs" = "yes" ; then
6550   echo "CONFIG_VIRTFS=y" >> $config_host_mak
6551 fi
6552 if test "$vhost_scsi" = "yes" ; then
6553   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
6554 fi
6555 if test "$vhost_net" = "yes" ; then
6556   echo "CONFIG_VHOST_NET=y" >> $config_host_mak
6557 fi
6558 if test "$vhost_net_user" = "yes" ; then
6559   echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak
6560 fi
6561 if test "$vhost_net_vdpa" = "yes" ; then
6562   echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak
6563 fi
6564 if test "$vhost_crypto" = "yes" ; then
6565   echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
6566 fi
6567 if test "$vhost_vsock" = "yes" ; then
6568   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
6569   if test "$vhost_user" = "yes" ; then
6570     echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak
6571   fi
6572 fi
6573 if test "$vhost_kernel" = "yes" ; then
6574   echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak
6575 fi
6576 if test "$vhost_user" = "yes" ; then
6577   echo "CONFIG_VHOST_USER=y" >> $config_host_mak
6578 fi
6579 if test "$vhost_vdpa" = "yes" ; then
6580   echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
6581 fi
6582 if test "$vhost_user_fs" = "yes" ; then
6583   echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
6584 fi
6585 if test "$blobs" = "yes" ; then
6586   echo "INSTALL_BLOBS=yes" >> $config_host_mak
6587 fi
6588 if test "$iovec" = "yes" ; then
6589   echo "CONFIG_IOVEC=y" >> $config_host_mak
6590 fi
6591 if test "$preadv" = "yes" ; then
6592   echo "CONFIG_PREADV=y" >> $config_host_mak
6593 fi
6594 if test "$fdt" != "no" ; then
6595   echo "CONFIG_FDT=y" >> $config_host_mak
6596   echo "FDT_CFLAGS=$fdt_cflags" >> $config_host_mak
6597   echo "FDT_LIBS=$fdt_ldflags $fdt_libs" >> $config_host_mak
6598 fi
6599 if test "$membarrier" = "yes" ; then
6600   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
6601 fi
6602 if test "$signalfd" = "yes" ; then
6603   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
6604 fi
6605 if test "$optreset" = "yes" ; then
6606   echo "HAVE_OPTRESET=y" >> $config_host_mak
6607 fi
6608 if test "$tcg" = "enabled"; then
6609   if test "$tcg_interpreter" = "yes" ; then
6610     echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
6611   fi
6612 fi
6613 if test "$fdatasync" = "yes" ; then
6614   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
6615 fi
6616 if test "$madvise" = "yes" ; then
6617   echo "CONFIG_MADVISE=y" >> $config_host_mak
6618 fi
6619 if test "$posix_madvise" = "yes" ; then
6620   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
6621 fi
6622 if test "$posix_memalign" = "yes" ; then
6623   echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
6624 fi
6625 if test "$spice" = "yes" ; then
6626   echo "CONFIG_SPICE=y" >> $config_host_mak
6627   echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak
6628   echo "SPICE_LIBS=$spice_libs" >> $config_host_mak
6629 fi
6630
6631 if test "$smartcard" = "yes" ; then
6632   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
6633   echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak
6634   echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak
6635 fi
6636
6637 if test "$libusb" = "yes" ; then
6638   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
6639   echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak
6640   echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak
6641 fi
6642
6643 if test "$usb_redir" = "yes" ; then
6644   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
6645   echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak
6646   echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak
6647 fi
6648
6649 if test "$opengl" = "yes" ; then
6650   echo "CONFIG_OPENGL=y" >> $config_host_mak
6651   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
6652   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
6653   if test "$opengl_dmabuf" = "yes" ; then
6654     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
6655   fi
6656 fi
6657
6658 if test "$gbm" = "yes" ; then
6659     echo "CONFIG_GBM=y" >> $config_host_mak
6660     echo "GBM_LIBS=$gbm_libs" >> $config_host_mak
6661     echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak
6662 fi
6663
6664
6665 if test "$avx2_opt" = "yes" ; then
6666   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
6667 fi
6668
6669 if test "$avx512f_opt" = "yes" ; then
6670   echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak
6671 fi
6672
6673 if test "$lzo" = "yes" ; then
6674   echo "CONFIG_LZO=y" >> $config_host_mak
6675   echo "LZO_LIBS=$lzo_libs" >> $config_host_mak
6676 fi
6677
6678 if test "$snappy" = "yes" ; then
6679   echo "CONFIG_SNAPPY=y" >> $config_host_mak
6680   echo "SNAPPY_LIBS=$snappy_libs" >> $config_host_mak
6681 fi
6682
6683 if test "$bzip2" = "yes" ; then
6684   echo "CONFIG_BZIP2=y" >> $config_host_mak
6685   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
6686 fi
6687
6688 if test "$lzfse" = "yes" ; then
6689   echo "CONFIG_LZFSE=y" >> $config_host_mak
6690   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
6691 fi
6692
6693 if test "$zstd" = "yes" ; then
6694   echo "CONFIG_ZSTD=y" >> $config_host_mak
6695   echo "ZSTD_CFLAGS=$zstd_cflags" >> $config_host_mak
6696   echo "ZSTD_LIBS=$zstd_libs" >> $config_host_mak
6697 fi
6698
6699 if test "$libiscsi" = "yes" ; then
6700   echo "CONFIG_LIBISCSI=y" >> $config_host_mak
6701   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
6702   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
6703 fi
6704
6705 if test "$libnfs" = "yes" ; then
6706   echo "CONFIG_LIBNFS=y" >> $config_host_mak
6707   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
6708 fi
6709
6710 if test "$seccomp" = "yes"; then
6711   echo "CONFIG_SECCOMP=y" >> $config_host_mak
6712   echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak
6713   echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak
6714 fi
6715
6716 # XXX: suppress that
6717 if [ "$bsd" = "yes" ] ; then
6718   echo "CONFIG_BSD=y" >> $config_host_mak
6719 fi
6720
6721 if test "$localtime_r" = "yes" ; then
6722   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
6723 fi
6724 if test "$qom_cast_debug" = "yes" ; then
6725   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
6726 fi
6727 if test "$rbd" = "yes" ; then
6728   echo "CONFIG_RBD=y" >> $config_host_mak
6729   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
6730 fi
6731
6732 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
6733 if test "$coroutine_pool" = "yes" ; then
6734   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
6735 else
6736   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
6737 fi
6738
6739 if test "$debug_stack_usage" = "yes" ; then
6740   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
6741 fi
6742
6743 if test "$crypto_afalg" = "yes" ; then
6744   echo "CONFIG_AF_ALG=y" >> $config_host_mak
6745 fi
6746
6747 if test "$open_by_handle_at" = "yes" ; then
6748   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
6749 fi
6750
6751 if test "$linux_magic_h" = "yes" ; then
6752   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
6753 fi
6754
6755 if test "$valgrind_h" = "yes" ; then
6756   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
6757 fi
6758
6759 if test "$have_asan_iface_fiber" = "yes" ; then
6760     echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
6761 fi
6762
6763 if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
6764     echo "CONFIG_TSAN=y" >> $config_host_mak
6765 fi
6766
6767 if test "$has_environ" = "yes" ; then
6768   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
6769 fi
6770
6771 if test "$cpuid_h" = "yes" ; then
6772   echo "CONFIG_CPUID_H=y" >> $config_host_mak
6773 fi
6774
6775 if test "$int128" = "yes" ; then
6776   echo "CONFIG_INT128=y" >> $config_host_mak
6777 fi
6778
6779 if test "$atomic128" = "yes" ; then
6780   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
6781 fi
6782
6783 if test "$cmpxchg128" = "yes" ; then
6784   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
6785 fi
6786
6787 if test "$atomic64" = "yes" ; then
6788   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
6789 fi
6790
6791 if test "$attralias" = "yes" ; then
6792   echo "CONFIG_ATTRIBUTE_ALIAS=y" >> $config_host_mak
6793 fi
6794
6795 if test "$getauxval" = "yes" ; then
6796   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
6797 fi
6798
6799 if test "$glusterfs" = "yes" ; then
6800   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
6801   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
6802   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
6803 fi
6804
6805 if test "$glusterfs_xlator_opt" = "yes" ; then
6806   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
6807 fi
6808
6809 if test "$glusterfs_discard" = "yes" ; then
6810   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
6811 fi
6812
6813 if test "$glusterfs_fallocate" = "yes" ; then
6814   echo "CONFIG_GLUSTERFS_FALLOCATE=y" >> $config_host_mak
6815 fi
6816
6817 if test "$glusterfs_zerofill" = "yes" ; then
6818   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
6819 fi
6820
6821 if test "$glusterfs_ftruncate_has_stat" = "yes" ; then
6822   echo "CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT=y" >> $config_host_mak
6823 fi
6824
6825 if test "$glusterfs_iocb_has_stat" = "yes" ; then
6826   echo "CONFIG_GLUSTERFS_IOCB_HAS_STAT=y" >> $config_host_mak
6827 fi
6828
6829 if test "$libssh" = "yes" ; then
6830   echo "CONFIG_LIBSSH=y" >> $config_host_mak
6831   echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
6832   echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
6833 fi
6834
6835 if test "$live_block_migration" = "yes" ; then
6836   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
6837 fi
6838
6839 if test "$tpm" = "yes"; then
6840   echo 'CONFIG_TPM=y' >> $config_host_mak
6841 fi
6842
6843 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
6844 if have_backend "nop"; then
6845   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
6846 fi
6847 if have_backend "simple"; then
6848   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
6849   # Set the appropriate trace file.
6850   trace_file="\"$trace_file-\" FMT_pid"
6851 fi
6852 if have_backend "log"; then
6853   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
6854 fi
6855 if have_backend "ust"; then
6856   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
6857   echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak
6858   echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak
6859 fi
6860 if have_backend "dtrace"; then
6861   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
6862   if test "$trace_backend_stap" = "yes" ; then
6863     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
6864   fi
6865 fi
6866 if have_backend "ftrace"; then
6867   if test "$linux" = "yes" ; then
6868     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
6869   else
6870     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
6871   fi
6872 fi
6873 if have_backend "syslog"; then
6874   if test "$posix_syslog" = "yes" ; then
6875     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
6876   else
6877     feature_not_found "syslog(trace backend)" "syslog not available"
6878   fi
6879 fi
6880 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
6881
6882 if test "$rdma" = "yes" ; then
6883   echo "CONFIG_RDMA=y" >> $config_host_mak
6884   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
6885 fi
6886
6887 if test "$pvrdma" = "yes" ; then
6888   echo "CONFIG_PVRDMA=y" >> $config_host_mak
6889 fi
6890
6891 if test "$have_rtnetlink" = "yes" ; then
6892   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
6893 fi
6894
6895 if test "$libxml2" = "yes" ; then
6896   echo "CONFIG_LIBXML2=y" >> $config_host_mak
6897   echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak
6898   echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak
6899 fi
6900
6901 if test "$replication" = "yes" ; then
6902   echo "CONFIG_REPLICATION=y" >> $config_host_mak
6903 fi
6904
6905 if test "$have_af_vsock" = "yes" ; then
6906   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
6907 fi
6908
6909 if test "$have_sysmacros" = "yes" ; then
6910   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
6911 fi
6912
6913 if test "$have_static_assert" = "yes" ; then
6914   echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
6915 fi
6916
6917 if test "$have_utmpx" = "yes" ; then
6918   echo "HAVE_UTMPX=y" >> $config_host_mak
6919 fi
6920 if test "$have_getrandom" = "yes" ; then
6921   echo "CONFIG_GETRANDOM=y" >> $config_host_mak
6922 fi
6923 if test "$ivshmem" = "yes" ; then
6924   echo "CONFIG_IVSHMEM=y" >> $config_host_mak
6925 fi
6926 if test "$debug_mutex" = "yes" ; then
6927   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
6928 fi
6929
6930 # Hold two types of flag:
6931 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
6932 #                                     a thread we have a handle to
6933 #   CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular
6934 #                                     platform
6935 if test "$pthread_setname_np_w_tid" = "yes" ; then
6936   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6937   echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
6938 elif test "$pthread_setname_np_wo_tid" = "yes" ; then
6939   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
6940   echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
6941 fi
6942
6943 if test "$libpmem" = "yes" ; then
6944   echo "CONFIG_LIBPMEM=y" >> $config_host_mak
6945   echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak
6946   echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak
6947 fi
6948
6949 if test "$libdaxctl" = "yes" ; then
6950   echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak
6951   echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak
6952 fi
6953
6954 if test "$bochs" = "yes" ; then
6955   echo "CONFIG_BOCHS=y" >> $config_host_mak
6956 fi
6957 if test "$cloop" = "yes" ; then
6958   echo "CONFIG_CLOOP=y" >> $config_host_mak
6959 fi
6960 if test "$dmg" = "yes" ; then
6961   echo "CONFIG_DMG=y" >> $config_host_mak
6962 fi
6963 if test "$qcow1" = "yes" ; then
6964   echo "CONFIG_QCOW1=y" >> $config_host_mak
6965 fi
6966 if test "$vdi" = "yes" ; then
6967   echo "CONFIG_VDI=y" >> $config_host_mak
6968 fi
6969 if test "$vvfat" = "yes" ; then
6970   echo "CONFIG_VVFAT=y" >> $config_host_mak
6971 fi
6972 if test "$qed" = "yes" ; then
6973   echo "CONFIG_QED=y" >> $config_host_mak
6974 fi
6975 if test "$parallels" = "yes" ; then
6976   echo "CONFIG_PARALLELS=y" >> $config_host_mak
6977 fi
6978 if test "$sheepdog" = "yes" ; then
6979   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
6980 fi
6981 if test "$pty_h" = "yes" ; then
6982   echo "HAVE_PTY_H=y" >> $config_host_mak
6983 fi
6984 if test "$have_mlockall" = "yes" ; then
6985   echo "HAVE_MLOCKALL=y" >> $config_host_mak
6986 fi
6987 if test "$fuzzing" = "yes" ; then
6988   # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the
6989   # needed CFLAGS have already been provided
6990   if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then
6991     QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
6992     FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
6993   else
6994     FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
6995   fi
6996 fi
6997
6998 if test "$plugins" = "yes" ; then
6999     echo "CONFIG_PLUGIN=y" >> $config_host_mak
7000     # Copy the export object list to the build dir
7001     if test "$ld_dynamic_list" = "yes" ; then
7002         echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
7003         ld_symbols=qemu-plugins-ld.symbols
7004         cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
7005     elif test "$ld_exported_symbols_list" = "yes" ; then
7006         echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
7007         ld64_symbols=qemu-plugins-ld64.symbols
7008         echo "# Automatically generated by configure - do not modify" > $ld64_symbols
7009         grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
7010             sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
7011     else
7012         error_exit \
7013             "If \$plugins=yes, either \$ld_dynamic_list or " \
7014             "\$ld_exported_symbols_list should have been set to 'yes'."
7015     fi
7016 fi
7017
7018 if test -n "$gdb_bin" ; then
7019     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
7020 fi
7021
7022 if test "$secret_keyring" = "yes" ; then
7023   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
7024 fi
7025
7026 if test "$tcg_interpreter" = "yes"; then
7027   QEMU_INCLUDES="-iquote ${source_path}/tcg/tci $QEMU_INCLUDES"
7028 elif test "$ARCH" = "sparc64" ; then
7029   QEMU_INCLUDES="-iquote ${source_path}/tcg/sparc $QEMU_INCLUDES"
7030 elif test "$ARCH" = "s390x" ; then
7031   QEMU_INCLUDES="-iquote ${source_path}/tcg/s390 $QEMU_INCLUDES"
7032 elif test "$ARCH" = "x86_64" || test "$ARCH" = "x32" ; then
7033   QEMU_INCLUDES="-iquote ${source_path}/tcg/i386 $QEMU_INCLUDES"
7034 elif test "$ARCH" = "ppc64" ; then
7035   QEMU_INCLUDES="-iquote ${source_path}/tcg/ppc $QEMU_INCLUDES"
7036 elif test "$ARCH" = "riscv32" || test "$ARCH" = "riscv64" ; then
7037   QEMU_INCLUDES="-I${source_path}/tcg/riscv $QEMU_INCLUDES"
7038 else
7039   QEMU_INCLUDES="-iquote ${source_path}/tcg/${ARCH} $QEMU_INCLUDES"
7040 fi
7041
7042 echo "ROMS=$roms" >> $config_host_mak
7043 echo "MAKE=$make" >> $config_host_mak
7044 echo "PYTHON=$python" >> $config_host_mak
7045 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
7046 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
7047 echo "MESON=$meson" >> $config_host_mak
7048 echo "CC=$cc" >> $config_host_mak
7049 if $iasl -h > /dev/null 2>&1; then
7050   echo "CONFIG_IASL=$iasl" >> $config_host_mak
7051 fi
7052 echo "CXX=$cxx" >> $config_host_mak
7053 echo "OBJCC=$objcc" >> $config_host_mak
7054 echo "AR=$ar" >> $config_host_mak
7055 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
7056 echo "AS=$as" >> $config_host_mak
7057 echo "CCAS=$ccas" >> $config_host_mak
7058 echo "CPP=$cpp" >> $config_host_mak
7059 echo "OBJCOPY=$objcopy" >> $config_host_mak
7060 echo "LD=$ld" >> $config_host_mak
7061 echo "RANLIB=$ranlib" >> $config_host_mak
7062 echo "NM=$nm" >> $config_host_mak
7063 echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
7064 echo "WINDRES=$windres" >> $config_host_mak
7065 echo "CFLAGS=$CFLAGS" >> $config_host_mak
7066 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
7067 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
7068 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
7069 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
7070 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
7071 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
7072 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
7073 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
7074 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
7075 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
7076 echo "EXESUF=$EXESUF" >> $config_host_mak
7077 echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
7078 echo "LIBS_QGA=$libs_qga" >> $config_host_mak
7079 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
7080 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
7081 if test "$gcov" = "yes" ; then
7082   echo "CONFIG_GCOV=y" >> $config_host_mak
7083 fi
7084
7085 if test "$fuzzing" != "no"; then
7086     echo "CONFIG_FUZZ=y" >> $config_host_mak
7087 fi
7088 echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
7089
7090 if test "$edk2_blobs" = "yes" ; then
7091   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
7092 fi
7093
7094 if test "$rng_none" = "yes"; then
7095   echo "CONFIG_RNG_NONE=y" >> $config_host_mak
7096 fi
7097
7098 # use included Linux headers
7099 if test "$linux" = "yes" ; then
7100   mkdir -p linux-headers
7101   case "$cpu" in
7102   i386|x86_64|x32)
7103     linux_arch=x86
7104     ;;
7105   ppc|ppc64|ppc64le)
7106     linux_arch=powerpc
7107     ;;
7108   s390x)
7109     linux_arch=s390
7110     ;;
7111   aarch64)
7112     linux_arch=arm64
7113     ;;
7114   mips64)
7115     linux_arch=mips
7116     ;;
7117   *)
7118     # For most CPUs the kernel architecture name and QEMU CPU name match.
7119     linux_arch="$cpu"
7120     ;;
7121   esac
7122     # For non-KVM architectures we will not have asm headers
7123     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
7124       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
7125     fi
7126 fi
7127
7128 for target in $target_list; do
7129     target_dir="$target"
7130     target_name=$(echo $target | cut -d '-' -f 1)
7131     mkdir -p $target_dir
7132     case $target in
7133         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
7134         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
7135     esac
7136 done
7137
7138 if [ "$fdt" = "git" ]; then
7139   subdirs="$subdirs dtc"
7140 fi
7141 echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
7142 if test "$default_targets" = "yes"; then
7143   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
7144 fi
7145 echo "SUBDIRS=$subdirs" >> $config_host_mak
7146
7147 if test "$numa" = "yes"; then
7148   echo "CONFIG_NUMA=y" >> $config_host_mak
7149   echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
7150 fi
7151
7152 if test "$ccache_cpp2" = "yes"; then
7153   echo "export CCACHE_CPP2=y" >> $config_host_mak
7154 fi
7155
7156 if test "$safe_stack" = "yes"; then
7157   echo "CONFIG_SAFESTACK=y" >> $config_host_mak
7158 fi
7159
7160 # If we're using a separate build tree, set it up now.
7161 # DIRS are directories which we simply mkdir in the build tree;
7162 # LINKS are things to symlink back into the source tree
7163 # (these can be both files and directories).
7164 # Caution: do not add files or directories here using wildcards. This
7165 # will result in problems later if a new file matching the wildcard is
7166 # added to the source tree -- nothing will cause configure to be rerun
7167 # so the build tree will be missing the link back to the new file, and
7168 # tests might fail. Prefer to keep the relevant files in their own
7169 # directory and symlink the directory instead.
7170 # UNLINK is used to remove symlinks from older development versions
7171 # that might get into the way when doing "git update" without doing
7172 # a "make distclean" in between.
7173 DIRS="tests tests/tcg tests/tcg/lm32 tests/qapi-schema tests/qtest/libqos"
7174 DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph"
7175 DIRS="$DIRS docs docs/interop fsdev scsi"
7176 DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw"
7177 DIRS="$DIRS roms/seabios"
7178 DIRS="$DIRS contrib/plugins/"
7179 LINKS="Makefile"
7180 LINKS="$LINKS tests/tcg/lm32/Makefile"
7181 LINKS="$LINKS tests/tcg/Makefile.target"
7182 LINKS="$LINKS pc-bios/optionrom/Makefile"
7183 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
7184 LINKS="$LINKS roms/seabios/Makefile"
7185 LINKS="$LINKS pc-bios/qemu-icon.bmp"
7186 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
7187 LINKS="$LINKS tests/acceptance tests/data"
7188 LINKS="$LINKS tests/qemu-iotests/check"
7189 LINKS="$LINKS python"
7190 LINKS="$LINKS contrib/plugins/Makefile "
7191 UNLINK="pc-bios/keymaps"
7192 for bios_file in \
7193     $source_path/pc-bios/*.bin \
7194     $source_path/pc-bios/*.elf \
7195     $source_path/pc-bios/*.lid \
7196     $source_path/pc-bios/*.rom \
7197     $source_path/pc-bios/*.dtb \
7198     $source_path/pc-bios/*.img \
7199     $source_path/pc-bios/openbios-* \
7200     $source_path/pc-bios/u-boot.* \
7201     $source_path/pc-bios/edk2-*.fd.bz2 \
7202     $source_path/pc-bios/palcode-*
7203 do
7204     LINKS="$LINKS pc-bios/$(basename $bios_file)"
7205 done
7206 mkdir -p $DIRS
7207 for f in $LINKS ; do
7208     if [ -e "$source_path/$f" ]; then
7209         symlink "$source_path/$f" "$f"
7210     fi
7211 done
7212 for f in $UNLINK ; do
7213     if [ -L "$f" ]; then
7214         rm -f "$f"
7215     fi
7216 done
7217
7218 (for i in $cross_cc_vars; do
7219   export $i
7220 done
7221 export target_list source_path use_containers
7222 $source_path/tests/tcg/configure.sh)
7223
7224 # temporary config to build submodules
7225 for rom in seabios; do
7226     config_mak=roms/$rom/config.mak
7227     echo "# Automatically generated by configure - do not modify" > $config_mak
7228     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
7229     echo "AS=$as" >> $config_mak
7230     echo "CCAS=$ccas" >> $config_mak
7231     echo "CC=$cc" >> $config_mak
7232     echo "BCC=bcc" >> $config_mak
7233     echo "CPP=$cpp" >> $config_mak
7234     echo "OBJCOPY=objcopy" >> $config_mak
7235     echo "IASL=$iasl" >> $config_mak
7236     echo "LD=$ld" >> $config_mak
7237     echo "RANLIB=$ranlib" >> $config_mak
7238 done
7239
7240 # set up qemu-iotests in this build directory
7241 iotests_common_env="tests/qemu-iotests/common.env"
7242
7243 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
7244 echo >> "$iotests_common_env"
7245 echo "export PYTHON='$python'" >> "$iotests_common_env"
7246
7247 if test "$skip_meson" = no; then
7248 cross="config-meson.cross.new"
7249 meson_quote() {
7250     echo "['$(echo $* | sed "s/ /','/g")']"
7251 }
7252
7253 echo "# Automatically generated by configure - do not modify" > $cross
7254 echo "[properties]" >> $cross
7255 test -z "$cxx" && echo "link_language = 'c'" >> $cross
7256 echo "[binaries]" >> $cross
7257 echo "c = $(meson_quote $cc)" >> $cross
7258 test -n "$cxx" && echo "cpp = $(meson_quote $cxx)" >> $cross
7259 echo "ar = $(meson_quote $ar)" >> $cross
7260 echo "nm = $(meson_quote $nm)" >> $cross
7261 echo "pkgconfig = $(meson_quote $pkg_config_exe)" >> $cross
7262 echo "ranlib = $(meson_quote $ranlib)" >> $cross
7263 if has $sdl2_config; then
7264   echo "sdl2-config = $(meson_quote $sdl2_config)" >> $cross
7265 fi
7266 echo "strip = $(meson_quote $strip)" >> $cross
7267 echo "windres = $(meson_quote $windres)" >> $cross
7268 if test -n "$cross_prefix"; then
7269     cross_arg="--cross-file config-meson.cross"
7270     echo "[host_machine]" >> $cross
7271     if test "$mingw32" = "yes" ; then
7272         echo "system = 'windows'" >> $cross
7273     fi
7274     if test "$linux" = "yes" ; then
7275         echo "system = 'linux'" >> $cross
7276     fi
7277     case "$ARCH" in
7278         i386|x86_64)
7279             echo "cpu_family = 'x86'" >> $cross
7280             ;;
7281         ppc64le)
7282             echo "cpu_family = 'ppc64'" >> $cross
7283             ;;
7284         *)
7285             echo "cpu_family = '$ARCH'" >> $cross
7286             ;;
7287     esac
7288     echo "cpu = '$cpu'" >> $cross
7289     if test "$bigendian" = "yes" ; then
7290         echo "endian = 'big'" >> $cross
7291     else
7292         echo "endian = 'little'" >> $cross
7293     fi
7294 else
7295     cross_arg="--native-file config-meson.cross"
7296 fi
7297 mv $cross config-meson.cross
7298
7299 rm -rf meson-private meson-info meson-logs
7300 NINJA=${ninja:-$PWD/ninjatool} $meson setup \
7301         --prefix "$prefix" \
7302         --libdir "$libdir" \
7303         --libexecdir "$libexecdir" \
7304         --bindir "$bindir" \
7305         --includedir "$includedir" \
7306         --datadir "$datadir" \
7307         --mandir "$mandir" \
7308         --sysconfdir "$sysconfdir" \
7309         --localstatedir "$local_statedir" \
7310         -Ddocdir="$docdir" \
7311         -Dqemu_suffix="$qemu_suffix" \
7312         -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \
7313         -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \
7314         -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \
7315         -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \
7316         -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
7317         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
7318         -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \
7319         -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \
7320         -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \
7321         -Dcocoa=$cocoa -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \
7322         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
7323         -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f \
7324         -Dcapstone=$capstone \
7325         $cross_arg \
7326         "$PWD" "$source_path"
7327
7328 if test "$?" -ne 0 ; then
7329     error_exit "meson setup failed"
7330 fi
7331 touch ninjatool.stamp
7332 fi
7333
7334 if test -n "${deprecated_features}"; then
7335     echo "Warning, deprecated features enabled."
7336     echo "Please see docs/system/deprecated.rst"
7337     echo "  features: ${deprecated_features}"
7338 fi
7339
7340 # Save the configure command line for later reuse.
7341 cat <<EOD >config.status
7342 #!/bin/sh
7343 # Generated by configure.
7344 # Run this file to recreate the current configuration.
7345 # Compiler output produced by configure, useful for debugging
7346 # configure, is in config.log if it exists.
7347 EOD
7348
7349 preserve_env() {
7350     envname=$1
7351
7352     eval envval=\$$envname
7353
7354     if test -n "$envval"
7355     then
7356         echo "$envname='$envval'" >> config.status
7357         echo "export $envname" >> config.status
7358     else
7359         echo "unset $envname" >> config.status
7360     fi
7361 }
7362
7363 # Preserve various env variables that influence what
7364 # features/build target configure will detect
7365 preserve_env AR
7366 preserve_env AS
7367 preserve_env CC
7368 preserve_env CPP
7369 preserve_env CXX
7370 preserve_env INSTALL
7371 preserve_env LD
7372 preserve_env LD_LIBRARY_PATH
7373 preserve_env LIBTOOL
7374 preserve_env MAKE
7375 preserve_env NM
7376 preserve_env OBJCOPY
7377 preserve_env PATH
7378 preserve_env PKG_CONFIG
7379 preserve_env PKG_CONFIG_LIBDIR
7380 preserve_env PKG_CONFIG_PATH
7381 preserve_env PYTHON
7382 preserve_env SDL2_CONFIG
7383 preserve_env SMBD
7384 preserve_env STRIP
7385 preserve_env WINDRES
7386
7387 printf "exec" >>config.status
7388 for i in "$0" "$@"; do
7389   test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status
7390 done
7391 echo ' "$@"' >>config.status
7392 chmod +x config.status
7393
7394 rm -r "$TMPDIR1"