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