configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.
   8 CLICOLOR_FORCE= GREP_OPTIONS=
   9 unset CLICOLOR_FORCE GREP_OPTIONS
  10
  11 # Don't allow CCACHE, if present, to use cached results of compile tests!
  12 export CCACHE_RECACHE=yes
  13
  14 # Temporary directory used for files created while
  15 # configure runs. Since it is in the build directory
  16 # we can safely blow away any previous version of it
  17 # (and we need not jump through hoops to try to delete
  18 # it when configure exits.)
  19 TMPDIR1="config-temp"
  20 rm -rf "${TMPDIR1}"
  21 mkdir -p "${TMPDIR1}"
  22 if [ $? -ne 0 ]; then
  23     echo "ERROR: failed to create temporary directory"
  24     exit 1
  25 fi
  26
  27 TMPB="qemu-conf"
  28 TMPC="${TMPDIR1}/${TMPB}.c"
  29 TMPO="${TMPDIR1}/${TMPB}.o"
  30 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  31 TMPE="${TMPDIR1}/${TMPB}.exe"
  32 TMPMO="${TMPDIR1}/${TMPB}.mo"
  33
  34 rm -f config.log
  35
  36 # Print a helpful header at the top of config.log
  37 echo "# QEMU configure log $(date)" >> config.log
  38 printf "# Configured with:" >> config.log
  39 printf " '%s'" "$0" "$@" >> config.log
  40 echo >> config.log
  41 echo "#" >> config.log
  42
  43 error_exit() {
  44     echo
  45     echo "ERROR: $1"
  46     while test -n "$2"; do
  47         echo "       $2"
  48         shift
  49     done
  50     echo
  51     exit 1
  52 }
  53
  54 do_compiler() {
  55     # Run the compiler, capturing its output to the log. First argument
  56     # is compiler binary to execute.
  57     local compiler="$1"
  58     shift
  59     echo $compiler "$@" >> config.log
  60     $compiler "$@" >> config.log 2>&1 || return $?
  61     # Test passed. If this is an --enable-werror build, rerun
  62     # the test with -Werror and bail out if it fails. This
  63     # makes warning-generating-errors in configure test code
  64     # obvious to developers.
  65     if test "$werror" != "yes"; then
  66         return 0
  67     fi
  68     # Don't bother rerunning the compile if we were already using -Werror
  69     case "$*" in
  70         *-Werror*)
  71            return 0
  72         ;;
  73     esac
  74     echo $compiler -Werror "$@" >> config.log
  75     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  76     error_exit "configure test passed without -Werror but failed with -Werror." \
  77         "This is probably a bug in the configure script. The failing command" \
  78         "will be at the bottom of config.log." \
  79         "You can run configure with --disable-werror to bypass this check."
  80 }
  81
  82 do_cc() {
  83     do_compiler "$cc" "$@"
  84 }
  85
  86 do_cxx() {
  87     do_compiler "$cxx" "$@"
  88 }
  89
  90 update_cxxflags() {
  91     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  92     # options which some versions of GCC's C++ compiler complain about
  93     # because they only make sense for C programs.
  94     QEMU_CXXFLAGS=
  95     for arg in $QEMU_CFLAGS; do
  96         case $arg in
  97             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
  98             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
  99                 ;;
 100             *)
 101                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 102                 ;;
 103         esac
 104     done
 105 }
 106
 107 compile_object() {
 108   local_cflags="$1"
 109   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 110 }
 111
 112 compile_prog() {
 113   local_cflags="$1"
 114   local_ldflags="$2"
 115   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 116 }
 117
 118 # symbolically link $1 to $2.  Portable version of "ln -sf".
 119 symlink() {
 120   rm -rf "$2"
 121   mkdir -p "$(dirname "$2")"
 122   ln -s "$1" "$2"
 123 }
 124
 125 # check whether a command is available to this shell (may be either an
 126 # executable or a builtin)
 127 has() {
 128     type "$1" >/dev/null 2>&1
 129 }
 130
 131 # search for an executable in PATH
 132 path_of() {
 133     local_command="$1"
 134     local_ifs="$IFS"
 135     local_dir=""
 136
 137     # pathname has a dir component?
 138     if [ "${local_command#*/}" != "$local_command" ]; then
 139         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 140             echo "$local_command"
 141             return 0
 142         fi
 143     fi
 144     if [ -z "$local_command" ]; then
 145         return 1
 146     fi
 147
 148     IFS=:
 149     for local_dir in $PATH; do
 150         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 151             echo "$local_dir/$local_command"
 152             IFS="${local_ifs:-$(printf ' \t\n')}"
 153             return 0
 154         fi
 155     done
 156     # not found
 157     IFS="${local_ifs:-$(printf ' \t\n')}"
 158     return 1
 159 }
 160
 161 have_backend () {
 162     echo "$trace_backends" | grep "$1" >/dev/null
 163 }
 164
 165 # default parameters
 166 source_path=$(dirname "$0")
 167 cpu=""
 168 iasl="iasl"
 169 interp_prefix="/usr/gnemul/qemu-%M"
 170 static="no"
 171 cross_prefix=""
 172 audio_drv_list=""
 173 block_drv_rw_whitelist=""
 174 block_drv_ro_whitelist=""
 175 host_cc="cc"
 176 libs_softmmu=""
 177 libs_tools=""
 178 audio_pt_int=""
 179 audio_win_int=""
 180 cc_i386=i386-pc-linux-gnu-gcc
 181 libs_qga=""
 182 debug_info="yes"
 183 stack_protector=""
 184
 185 # Don't accept a target_list environment variable.
 186 unset target_list
 187
 188 # Default value for a variable defining feature "foo".
 189 #  * foo="no"  feature will only be used if --enable-foo arg is given
 190 #  * foo=""    feature will be searched for, and if found, will be used
 191 #              unless --disable-foo is given
 192 #  * foo="yes" this value will only be set by --enable-foo flag.
 193 #              feature will searched for,
 194 #              if not found, configure exits with error
 195 #
 196 # Always add --enable-foo and --disable-foo command line args.
 197 # Distributions want to ensure that several features are compiled in, and it
 198 # is impossible without a --enable-foo that exits if a feature is not found.
 199
 200 bluez=""
 201 brlapi=""
 202 curl=""
 203 curses=""
 204 docs=""
 205 fdt=""
 206 netmap="no"
 207 pixman=""
 208 sdl=""
 209 sdlabi=""
 210 virtfs=""
 211 vnc="yes"
 212 sparse="no"
 213 vde=""
 214 vnc_sasl=""
 215 vnc_jpeg=""
 216 vnc_png=""
 217 xen=""
 218 xen_ctrl_version=""
 219 xen_pv_domain_build="no"
 220 xen_pci_passthrough=""
 221 linux_aio=""
 222 cap_ng=""
 223 attr=""
 224 libattr=""
 225 xfs=""
 226
 227 vhost_net="no"
 228 vhost_scsi="no"
 229 vhost_vsock="no"
 230 kvm="no"
 231 hax="no"
 232 rdma=""
 233 gprof="no"
 234 debug_tcg="no"
 235 debug="no"
 236 fortify_source=""
 237 strip_opt="yes"
 238 tcg_interpreter="no"
 239 bigendian="no"
 240 mingw32="no"
 241 gcov="no"
 242 gcov_tool="gcov"
 243 EXESUF=""
 244 DSOSUF=".so"
 245 LDFLAGS_SHARED="-shared"
 246 modules="no"
 247 prefix="/usr/local"
 248 mandir="\${prefix}/share/man"
 249 datadir="\${prefix}/share"
 250 qemu_docdir="\${prefix}/share/doc/qemu"
 251 bindir="\${prefix}/bin"
 252 libdir="\${prefix}/lib"
 253 libexecdir="\${prefix}/libexec"
 254 includedir="\${prefix}/include"
 255 sysconfdir="\${prefix}/etc"
 256 local_statedir="\${prefix}/var"
 257 confsuffix="/qemu"
 258 slirp="yes"
 259 oss_lib=""
 260 bsd="no"
 261 linux="no"
 262 solaris="no"
 263 profiler="no"
 264 cocoa="no"
 265 softmmu="yes"
 266 linux_user="no"
 267 bsd_user="no"
 268 aix="no"
 269 blobs="yes"
 270 pkgversion=""
 271 pie=""
 272 qom_cast_debug="yes"
 273 trace_backends="log"
 274 trace_file="trace"
 275 spice=""
 276 rbd=""
 277 smartcard=""
 278 libusb=""
 279 usb_redir=""
 280 opengl=""
 281 opengl_dmabuf="no"
 282 avx2_opt="no"
 283 zlib="yes"
 284 lzo=""
 285 snappy=""
 286 bzip2=""
 287 guest_agent=""
 288 guest_agent_with_vss="no"
 289 guest_agent_ntddscsi="no"
 290 guest_agent_msi=""
 291 vss_win32_sdk=""
 292 win_sdk="no"
 293 want_tools="yes"
 294 libiscsi=""
 295 libnfs=""
 296 coroutine=""
 297 coroutine_pool=""
 298 debug_stack_usage="no"
 299 seccomp=""
 300 glusterfs=""
 301 glusterfs_xlator_opt="no"
 302 glusterfs_discard="no"
 303 glusterfs_zerofill="no"
 304 gtk=""
 305 gtkabi=""
 306 gtk_gl="no"
 307 tls_priority="NORMAL"
 308 gnutls=""
 309 gnutls_rnd=""
 310 nettle=""
 311 nettle_kdf="no"
 312 gcrypt=""
 313 gcrypt_hmac="no"
 314 gcrypt_kdf="no"
 315 vte=""
 316 virglrenderer=""
 317 tpm="yes"
 318 libssh2=""
 319 numa=""
 320 tcmalloc="no"
 321 jemalloc="no"
 322 replication="yes"
 323 vxhs=""
 324
 325 supported_cpu="no"
 326 supported_os="no"
 327 bogus_os="no"
 328
 329 # parse CC options first
 330 for opt do
 331   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 332   case "$opt" in
 333   --cross-prefix=*) cross_prefix="$optarg"
 334   ;;
 335   --cc=*) CC="$optarg"
 336   ;;
 337   --cxx=*) CXX="$optarg"
 338   ;;
 339   --source-path=*) source_path="$optarg"
 340   ;;
 341   --cpu=*) cpu="$optarg"
 342   ;;
 343   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 344                     EXTRA_CFLAGS="$optarg"
 345   ;;
 346   --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
 347                      EXTRA_LDFLAGS="$optarg"
 348   ;;
 349   --enable-debug-info) debug_info="yes"
 350   ;;
 351   --disable-debug-info) debug_info="no"
 352   ;;
 353   esac
 354 done
 355 # OS specific
 356 # Using uname is really, really broken.  Once we have the right set of checks
 357 # we can eliminate its usage altogether.
 358
 359 # Preferred compiler:
 360 #  ${CC} (if set)
 361 #  ${cross_prefix}gcc (if cross-prefix specified)
 362 #  system compiler
 363 if test -z "${CC}${cross_prefix}"; then
 364   cc="$host_cc"
 365 else
 366   cc="${CC-${cross_prefix}gcc}"
 367 fi
 368
 369 if test -z "${CXX}${cross_prefix}"; then
 370   cxx="c++"
 371 else
 372   cxx="${CXX-${cross_prefix}g++}"
 373 fi
 374
 375 ar="${AR-${cross_prefix}ar}"
 376 as="${AS-${cross_prefix}as}"
 377 ccas="${CCAS-$cc}"
 378 cpp="${CPP-$cc -E}"
 379 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 380 ld="${LD-${cross_prefix}ld}"
 381 nm="${NM-${cross_prefix}nm}"
 382 strip="${STRIP-${cross_prefix}strip}"
 383 windres="${WINDRES-${cross_prefix}windres}"
 384 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 385 query_pkg_config() {
 386     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 387 }
 388 pkg_config=query_pkg_config
 389 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 390 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 391
 392 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 393 ARFLAGS="${ARFLAGS-rv}"
 394
 395 # default flags for all hosts
 396 # We use -fwrapv to tell the compiler that we require a C dialect where
 397 # left shift of signed integers is well defined and has the expected
 398 # 2s-complement style results. (Both clang and gcc agree that it
 399 # provides these semantics.)
 400 QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
 401 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 402 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 403 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 404 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
 405 if test "$debug_info" = "yes"; then
 406     CFLAGS="-g $CFLAGS"
 407     LDFLAGS="-g $LDFLAGS"
 408 fi
 409
 410 # make source path absolute
 411 source_path=$(cd "$source_path"; pwd)
 412
 413 # running configure in the source tree?
 414 # we know that's the case if configure is there.
 415 if test -f "./configure"; then
 416     pwd_is_source_path="y"
 417 else
 418     pwd_is_source_path="n"
 419 fi
 420
 421 check_define() {
 422 cat > $TMPC <<EOF
 423 #if !defined($1)
 424 #error $1 not defined
 425 #endif
 426 int main(void) { return 0; }
 427 EOF
 428   compile_object
 429 }
 430
 431 check_include() {
 432 cat > $TMPC <<EOF
 433 #include <$1>
 434 int main(void) { return 0; }
 435 EOF
 436   compile_object
 437 }
 438
 439 write_c_skeleton() {
 440     cat > $TMPC <<EOF
 441 int main(void) { return 0; }
 442 EOF
 443 }
 444
 445 if check_define __linux__ ; then
 446   targetos="Linux"
 447 elif check_define _WIN32 ; then
 448   targetos='MINGW32'
 449 elif check_define __OpenBSD__ ; then
 450   targetos='OpenBSD'
 451 elif check_define __sun__ ; then
 452   targetos='SunOS'
 453 elif check_define __HAIKU__ ; then
 454   targetos='Haiku'
 455 else
 456   targetos=$(uname -s)
 457 fi
 458
 459 # Some host OSes need non-standard checks for which CPU to use.
 460 # Note that these checks are broken for cross-compilation: if you're
 461 # cross-compiling to one of these OSes then you'll need to specify
 462 # the correct CPU with the --cpu option.
 463 case $targetos in
 464 Darwin)
 465   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 466   # run 64-bit userspace code.
 467   # If the user didn't specify a CPU explicitly and the kernel says this is
 468   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 469   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 470     cpu="x86_64"
 471   fi
 472   ;;
 473 SunOS)
 474   # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
 475   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 476     cpu="x86_64"
 477   fi
 478 esac
 479
 480 if test ! -z "$cpu" ; then
 481   # command line argument
 482   :
 483 elif check_define __i386__ ; then
 484   cpu="i386"
 485 elif check_define __x86_64__ ; then
 486   if check_define __ILP32__ ; then
 487     cpu="x32"
 488   else
 489     cpu="x86_64"
 490   fi
 491 elif check_define __sparc__ ; then
 492   if check_define __arch64__ ; then
 493     cpu="sparc64"
 494   else
 495     cpu="sparc"
 496   fi
 497 elif check_define _ARCH_PPC ; then
 498   if check_define _ARCH_PPC64 ; then
 499     cpu="ppc64"
 500   else
 501     cpu="ppc"
 502   fi
 503 elif check_define __mips__ ; then
 504   cpu="mips"
 505 elif check_define __ia64__ ; then
 506   cpu="ia64"
 507 elif check_define __s390__ ; then
 508   if check_define __s390x__ ; then
 509     cpu="s390x"
 510   else
 511     cpu="s390"
 512   fi
 513 elif check_define __arm__ ; then
 514   cpu="arm"
 515 elif check_define __aarch64__ ; then
 516   cpu="aarch64"
 517 else
 518   cpu=$(uname -m)
 519 fi
 520
 521 ARCH=
 522 # Normalise host CPU name and set ARCH.
 523 # Note that this case should only have supported host CPUs, not guests.
 524 case "$cpu" in
 525   ppc|ppc64|s390|s390x|sparc64|x32)
 526     cpu="$cpu"
 527     supported_cpu="yes"
 528   ;;
 529   ia64)
 530     cpu="$cpu"
 531   ;;
 532   i386|i486|i586|i686|i86pc|BePC)
 533     cpu="i386"
 534     supported_cpu="yes"
 535   ;;
 536   x86_64|amd64)
 537     cpu="x86_64"
 538     supported_cpu="yes"
 539   ;;
 540   armv*b|armv*l|arm)
 541     cpu="arm"
 542     supported_cpu="yes"
 543   ;;
 544   aarch64)
 545     cpu="aarch64"
 546     supported_cpu="yes"
 547   ;;
 548   mips*)
 549     cpu="mips"
 550     supported_cpu="yes"
 551   ;;
 552   sparc|sun4[cdmuv])
 553     cpu="sparc"
 554     supported_cpu="yes"
 555   ;;
 556   *)
 557     # This will result in either an error or falling back to TCI later
 558     ARCH=unknown
 559   ;;
 560 esac
 561 if test -z "$ARCH"; then
 562   ARCH="$cpu"
 563 fi
 564
 565 # OS specific
 566
 567 # host *BSD for user mode
 568 HOST_VARIANT_DIR=""
 569
 570 case $targetos in
 571 MINGW32*)
 572   mingw32="yes"
 573   hax="yes"
 574   audio_possible_drivers="dsound sdl"
 575   if check_include dsound.h; then
 576     audio_drv_list="dsound"
 577   else
 578     audio_drv_list=""
 579   fi
 580   supported_os="yes"
 581 ;;
 582 GNU/kFreeBSD)
 583   bsd="yes"
 584   audio_drv_list="oss"
 585   audio_possible_drivers="oss sdl pa"
 586 ;;
 587 FreeBSD)
 588   bsd="yes"
 589   make="${MAKE-gmake}"
 590   audio_drv_list="oss"
 591   audio_possible_drivers="oss sdl pa"
 592   # needed for kinfo_getvmmap(3) in libutil.h
 593   LIBS="-lutil $LIBS"
 594   # needed for kinfo_getproc
 595   libs_qga="-lutil $libs_qga"
 596   netmap=""  # enable netmap autodetect
 597   HOST_VARIANT_DIR="freebsd"
 598   supported_os="yes"
 599 ;;
 600 DragonFly)
 601   bsd="yes"
 602   make="${MAKE-gmake}"
 603   audio_drv_list="oss"
 604   audio_possible_drivers="oss sdl pa"
 605   HOST_VARIANT_DIR="dragonfly"
 606 ;;
 607 NetBSD)
 608   bsd="yes"
 609   make="${MAKE-gmake}"
 610   audio_drv_list="oss"
 611   audio_possible_drivers="oss sdl"
 612   oss_lib="-lossaudio"
 613   HOST_VARIANT_DIR="netbsd"
 614 ;;
 615 OpenBSD)
 616   bsd="yes"
 617   make="${MAKE-gmake}"
 618   audio_drv_list="sdl"
 619   audio_possible_drivers="sdl"
 620   HOST_VARIANT_DIR="openbsd"
 621 ;;
 622 Darwin)
 623   bsd="yes"
 624   darwin="yes"
 625   hax="yes"
 626   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 627   if [ "$cpu" = "x86_64" ] ; then
 628     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 629     LDFLAGS="-arch x86_64 $LDFLAGS"
 630   fi
 631   cocoa="yes"
 632   audio_drv_list="coreaudio"
 633   audio_possible_drivers="coreaudio sdl"
 634   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 635   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 636   # Disable attempts to use ObjectiveC features in os/object.h since they
 637   # won't work when we're compiling with gcc as a C compiler.
 638   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 639   HOST_VARIANT_DIR="darwin"
 640   supported_os="yes"
 641 ;;
 642 SunOS)
 643   solaris="yes"
 644   make="${MAKE-gmake}"
 645   install="${INSTALL-ginstall}"
 646   ld="gld"
 647   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 648   needs_libsunmath="no"
 649   solarisrev=$(uname -r | cut -f2 -d.)
 650   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
 651     if test "$solarisrev" -le 9 ; then
 652       if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
 653         needs_libsunmath="yes"
 654         QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
 655         LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
 656         LIBS="-lsunmath $LIBS"
 657       else
 658         error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
 659             "libsunmath from the Sun Studio compilers tools, due to a lack of" \
 660             "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
 661             "Studio 11 can be downloaded from www.sun.com."
 662       fi
 663     fi
 664   fi
 665   if test -f /usr/include/sys/soundcard.h ; then
 666     audio_drv_list="oss"
 667   fi
 668   audio_possible_drivers="oss sdl"
 669 # needed for CMSG_ macros in sys/socket.h
 670   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 671 # needed for TIOCWIN* defines in termios.h
 672   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 673   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 674   solarisnetlibs="-lsocket -lnsl -lresolv"
 675   LIBS="$solarisnetlibs $LIBS"
 676   libs_qga="$solarisnetlibs $libs_qga"
 677 ;;
 678 AIX)
 679   aix="yes"
 680   make="${MAKE-gmake}"
 681 ;;
 682 Haiku)
 683   haiku="yes"
 684   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 685   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 686 ;;
 687 Linux)
 688   audio_drv_list="oss"
 689   audio_possible_drivers="oss alsa sdl pa"
 690   linux="yes"
 691   linux_user="yes"
 692   kvm="yes"
 693   vhost_net="yes"
 694   vhost_scsi="yes"
 695   vhost_vsock="yes"
 696   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 697   supported_os="yes"
 698 ;;
 699 *)
 700   # This is a fatal error, but don't report it yet, because we
 701   # might be going to just print the --help text, or it might
 702   # be the result of a missing compiler.
 703   bogus_os="yes"
 704 ;;
 705 esac
 706
 707 if [ "$bsd" = "yes" ] ; then
 708   if [ "$darwin" != "yes" ] ; then
 709     bsd_user="yes"
 710   fi
 711 fi
 712
 713 : ${make=${MAKE-make}}
 714 : ${install=${INSTALL-install}}
 715 : ${python=${PYTHON-python}}
 716 : ${smbd=${SMBD-/usr/sbin/smbd}}
 717
 718 # Default objcc to clang if available, otherwise use CC
 719 if has clang; then
 720   objcc=clang
 721 else
 722   objcc="$cc"
 723 fi
 724
 725 if test "$mingw32" = "yes" ; then
 726   EXESUF=".exe"
 727   DSOSUF=".dll"
 728   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 729   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 730   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 731   # MinGW needs -mthreads for TLS and macro _MT.
 732   QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
 733   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 734   write_c_skeleton;
 735   if compile_prog "" "-liberty" ; then
 736     LIBS="-liberty $LIBS"
 737   fi
 738   prefix="c:/Program Files/QEMU"
 739   mandir="\${prefix}"
 740   datadir="\${prefix}"
 741   qemu_docdir="\${prefix}"
 742   bindir="\${prefix}"
 743   sysconfdir="\${prefix}"
 744   local_statedir=
 745   confsuffix=""
 746   libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -liphlpapi -lnetapi32 $libs_qga"
 747 fi
 748
 749 werror=""
 750
 751 for opt do
 752   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 753   case "$opt" in
 754   --help|-h) show_help=yes
 755   ;;
 756   --version|-V) exec cat $source_path/VERSION
 757   ;;
 758   --prefix=*) prefix="$optarg"
 759   ;;
 760   --interp-prefix=*) interp_prefix="$optarg"
 761   ;;
 762   --source-path=*)
 763   ;;
 764   --cross-prefix=*)
 765   ;;
 766   --cc=*)
 767   ;;
 768   --host-cc=*) host_cc="$optarg"
 769   ;;
 770   --cxx=*)
 771   ;;
 772   --iasl=*) iasl="$optarg"
 773   ;;
 774   --objcc=*) objcc="$optarg"
 775   ;;
 776   --make=*) make="$optarg"
 777   ;;
 778   --install=*) install="$optarg"
 779   ;;
 780   --python=*) python="$optarg"
 781   ;;
 782   --gcov=*) gcov_tool="$optarg"
 783   ;;
 784   --smbd=*) smbd="$optarg"
 785   ;;
 786   --extra-cflags=*)
 787   ;;
 788   --extra-ldflags=*)
 789   ;;
 790   --enable-debug-info)
 791   ;;
 792   --disable-debug-info)
 793   ;;
 794   --enable-modules)
 795       modules="yes"
 796   ;;
 797   --disable-modules)
 798       modules="no"
 799   ;;
 800   --cpu=*)
 801   ;;
 802   --target-list=*) target_list="$optarg"
 803   ;;
 804   --enable-trace-backends=*) trace_backends="$optarg"
 805   ;;
 806   # XXX: backwards compatibility
 807   --enable-trace-backend=*) trace_backends="$optarg"
 808   ;;
 809   --with-trace-file=*) trace_file="$optarg"
 810   ;;
 811   --enable-gprof) gprof="yes"
 812   ;;
 813   --enable-gcov) gcov="yes"
 814   ;;
 815   --static)
 816     static="yes"
 817     LDFLAGS="-static $LDFLAGS"
 818     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 819   ;;
 820   --mandir=*) mandir="$optarg"
 821   ;;
 822   --bindir=*) bindir="$optarg"
 823   ;;
 824   --libdir=*) libdir="$optarg"
 825   ;;
 826   --libexecdir=*) libexecdir="$optarg"
 827   ;;
 828   --includedir=*) includedir="$optarg"
 829   ;;
 830   --datadir=*) datadir="$optarg"
 831   ;;
 832   --with-confsuffix=*) confsuffix="$optarg"
 833   ;;
 834   --docdir=*) qemu_docdir="$optarg"
 835   ;;
 836   --sysconfdir=*) sysconfdir="$optarg"
 837   ;;
 838   --localstatedir=*) local_statedir="$optarg"
 839   ;;
 840   --sbindir=*|--sharedstatedir=*|\
 841   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 842   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 843     # These switches are silently ignored, for compatibility with
 844     # autoconf-generated configure scripts. This allows QEMU's
 845     # configure to be used by RPM and similar macros that set
 846     # lots of directory switches by default.
 847   ;;
 848   --with-system-pixman) pixman="system"
 849   ;;
 850   --without-system-pixman) pixman="internal"
 851   ;;
 852   --without-pixman) pixman="none"
 853   ;;
 854   --disable-sdl) sdl="no"
 855   ;;
 856   --enable-sdl) sdl="yes"
 857   ;;
 858   --with-sdlabi=*) sdlabi="$optarg"
 859   ;;
 860   --disable-qom-cast-debug) qom_cast_debug="no"
 861   ;;
 862   --enable-qom-cast-debug) qom_cast_debug="yes"
 863   ;;
 864   --disable-virtfs) virtfs="no"
 865   ;;
 866   --enable-virtfs) virtfs="yes"
 867   ;;
 868   --disable-vnc) vnc="no"
 869   ;;
 870   --enable-vnc) vnc="yes"
 871   ;;
 872   --oss-lib=*) oss_lib="$optarg"
 873   ;;
 874   --audio-drv-list=*) audio_drv_list="$optarg"
 875   ;;
 876   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 877   ;;
 878   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
 879   ;;
 880   --enable-debug-tcg) debug_tcg="yes"
 881   ;;
 882   --disable-debug-tcg) debug_tcg="no"
 883   ;;
 884   --enable-debug)
 885       # Enable debugging options that aren't excessively noisy
 886       debug_tcg="yes"
 887       debug="yes"
 888       strip_opt="no"
 889       fortify_source="no"
 890   ;;
 891   --enable-sparse) sparse="yes"
 892   ;;
 893   --disable-sparse) sparse="no"
 894   ;;
 895   --disable-strip) strip_opt="no"
 896   ;;
 897   --disable-vnc-sasl) vnc_sasl="no"
 898   ;;
 899   --enable-vnc-sasl) vnc_sasl="yes"
 900   ;;
 901   --disable-vnc-jpeg) vnc_jpeg="no"
 902   ;;
 903   --enable-vnc-jpeg) vnc_jpeg="yes"
 904   ;;
 905   --disable-vnc-png) vnc_png="no"
 906   ;;
 907   --enable-vnc-png) vnc_png="yes"
 908   ;;
 909   --disable-slirp) slirp="no"
 910   ;;
 911   --disable-vde) vde="no"
 912   ;;
 913   --enable-vde) vde="yes"
 914   ;;
 915   --disable-netmap) netmap="no"
 916   ;;
 917   --enable-netmap) netmap="yes"
 918   ;;
 919   --disable-xen) xen="no"
 920   ;;
 921   --enable-xen) xen="yes"
 922   ;;
 923   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 924   ;;
 925   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 926   ;;
 927   --disable-xen-pv-domain-build) xen_pv_domain_build="no"
 928   ;;
 929   --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
 930   ;;
 931   --disable-brlapi) brlapi="no"
 932   ;;
 933   --enable-brlapi) brlapi="yes"
 934   ;;
 935   --disable-bluez) bluez="no"
 936   ;;
 937   --enable-bluez) bluez="yes"
 938   ;;
 939   --disable-kvm) kvm="no"
 940   ;;
 941   --enable-kvm) kvm="yes"
 942   ;;
 943   --disable-hax) hax="no"
 944   ;;
 945   --enable-hax) hax="yes"
 946   ;;
 947   --disable-tcg-interpreter) tcg_interpreter="no"
 948   ;;
 949   --enable-tcg-interpreter) tcg_interpreter="yes"
 950   ;;
 951   --disable-cap-ng)  cap_ng="no"
 952   ;;
 953   --enable-cap-ng) cap_ng="yes"
 954   ;;
 955   --disable-spice) spice="no"
 956   ;;
 957   --enable-spice) spice="yes"
 958   ;;
 959   --disable-libiscsi) libiscsi="no"
 960   ;;
 961   --enable-libiscsi) libiscsi="yes"
 962   ;;
 963   --disable-libnfs) libnfs="no"
 964   ;;
 965   --enable-libnfs) libnfs="yes"
 966   ;;
 967   --enable-profiler) profiler="yes"
 968   ;;
 969   --disable-cocoa) cocoa="no"
 970   ;;
 971   --enable-cocoa)
 972       cocoa="yes" ;
 973       audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
 974   ;;
 975   --disable-system) softmmu="no"
 976   ;;
 977   --enable-system) softmmu="yes"
 978   ;;
 979   --disable-user)
 980       linux_user="no" ;
 981       bsd_user="no" ;
 982   ;;
 983   --enable-user) ;;
 984   --disable-linux-user) linux_user="no"
 985   ;;
 986   --enable-linux-user) linux_user="yes"
 987   ;;
 988   --disable-bsd-user) bsd_user="no"
 989   ;;
 990   --enable-bsd-user) bsd_user="yes"
 991   ;;
 992   --enable-pie) pie="yes"
 993   ;;
 994   --disable-pie) pie="no"
 995   ;;
 996   --enable-werror) werror="yes"
 997   ;;
 998   --disable-werror) werror="no"
 999   ;;
1000   --enable-stack-protector) stack_protector="yes"
1001   ;;
1002   --disable-stack-protector) stack_protector="no"
1003   ;;
1004   --disable-curses) curses="no"
1005   ;;
1006   --enable-curses) curses="yes"
1007   ;;
1008   --disable-curl) curl="no"
1009   ;;
1010   --enable-curl) curl="yes"
1011   ;;
1012   --disable-fdt) fdt="no"
1013   ;;
1014   --enable-fdt) fdt="yes"
1015   ;;
1016   --disable-linux-aio) linux_aio="no"
1017   ;;
1018   --enable-linux-aio) linux_aio="yes"
1019   ;;
1020   --disable-attr) attr="no"
1021   ;;
1022   --enable-attr) attr="yes"
1023   ;;
1024   --disable-blobs) blobs="no"
1025   ;;
1026   --with-pkgversion=*) pkgversion=" ($optarg)"
1027   ;;
1028   --with-coroutine=*) coroutine="$optarg"
1029   ;;
1030   --disable-coroutine-pool) coroutine_pool="no"
1031   ;;
1032   --enable-coroutine-pool) coroutine_pool="yes"
1033   ;;
1034   --enable-debug-stack-usage) debug_stack_usage="yes"
1035   ;;
1036   --disable-docs) docs="no"
1037   ;;
1038   --enable-docs) docs="yes"
1039   ;;
1040   --disable-vhost-net) vhost_net="no"
1041   ;;
1042   --enable-vhost-net) vhost_net="yes"
1043   ;;
1044   --disable-vhost-scsi) vhost_scsi="no"
1045   ;;
1046   --enable-vhost-scsi) vhost_scsi="yes"
1047   ;;
1048   --disable-vhost-vsock) vhost_vsock="no"
1049   ;;
1050   --enable-vhost-vsock) vhost_vsock="yes"
1051   ;;
1052   --disable-opengl) opengl="no"
1053   ;;
1054   --enable-opengl) opengl="yes"
1055   ;;
1056   --disable-rbd) rbd="no"
1057   ;;
1058   --enable-rbd) rbd="yes"
1059   ;;
1060   --disable-xfsctl) xfs="no"
1061   ;;
1062   --enable-xfsctl) xfs="yes"
1063   ;;
1064   --disable-smartcard) smartcard="no"
1065   ;;
1066   --enable-smartcard) smartcard="yes"
1067   ;;
1068   --disable-libusb) libusb="no"
1069   ;;
1070   --enable-libusb) libusb="yes"
1071   ;;
1072   --disable-usb-redir) usb_redir="no"
1073   ;;
1074   --enable-usb-redir) usb_redir="yes"
1075   ;;
1076   --disable-zlib-test) zlib="no"
1077   ;;
1078   --disable-lzo) lzo="no"
1079   ;;
1080   --enable-lzo) lzo="yes"
1081   ;;
1082   --disable-snappy) snappy="no"
1083   ;;
1084   --enable-snappy) snappy="yes"
1085   ;;
1086   --disable-bzip2) bzip2="no"
1087   ;;
1088   --enable-bzip2) bzip2="yes"
1089   ;;
1090   --enable-guest-agent) guest_agent="yes"
1091   ;;
1092   --disable-guest-agent) guest_agent="no"
1093   ;;
1094   --enable-guest-agent-msi) guest_agent_msi="yes"
1095   ;;
1096   --disable-guest-agent-msi) guest_agent_msi="no"
1097   ;;
1098   --with-vss-sdk) vss_win32_sdk=""
1099   ;;
1100   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1101   ;;
1102   --without-vss-sdk) vss_win32_sdk="no"
1103   ;;
1104   --with-win-sdk) win_sdk=""
1105   ;;
1106   --with-win-sdk=*) win_sdk="$optarg"
1107   ;;
1108   --without-win-sdk) win_sdk="no"
1109   ;;
1110   --enable-tools) want_tools="yes"
1111   ;;
1112   --disable-tools) want_tools="no"
1113   ;;
1114   --enable-seccomp) seccomp="yes"
1115   ;;
1116   --disable-seccomp) seccomp="no"
1117   ;;
1118   --disable-glusterfs) glusterfs="no"
1119   ;;
1120   --enable-glusterfs) glusterfs="yes"
1121   ;;
1122   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1123       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1124   ;;
1125   --enable-vhdx|--disable-vhdx)
1126       echo "$0: $opt is obsolete, VHDX driver is always built" >&2
1127   ;;
1128   --enable-uuid|--disable-uuid)
1129       echo "$0: $opt is obsolete, UUID support is always built" >&2
1130   ;;
1131   --disable-gtk) gtk="no"
1132   ;;
1133   --enable-gtk) gtk="yes"
1134   ;;
1135   --tls-priority=*) tls_priority="$optarg"
1136   ;;
1137   --disable-gnutls) gnutls="no"
1138   ;;
1139   --enable-gnutls) gnutls="yes"
1140   ;;
1141   --disable-nettle) nettle="no"
1142   ;;
1143   --enable-nettle) nettle="yes"
1144   ;;
1145   --disable-gcrypt) gcrypt="no"
1146   ;;
1147   --enable-gcrypt) gcrypt="yes"
1148   ;;
1149   --enable-rdma) rdma="yes"
1150   ;;
1151   --disable-rdma) rdma="no"
1152   ;;
1153   --with-gtkabi=*) gtkabi="$optarg"
1154   ;;
1155   --disable-vte) vte="no"
1156   ;;
1157   --enable-vte) vte="yes"
1158   ;;
1159   --disable-virglrenderer) virglrenderer="no"
1160   ;;
1161   --enable-virglrenderer) virglrenderer="yes"
1162   ;;
1163   --disable-tpm) tpm="no"
1164   ;;
1165   --enable-tpm) tpm="yes"
1166   ;;
1167   --disable-libssh2) libssh2="no"
1168   ;;
1169   --enable-libssh2) libssh2="yes"
1170   ;;
1171   --disable-numa) numa="no"
1172   ;;
1173   --enable-numa) numa="yes"
1174   ;;
1175   --disable-tcmalloc) tcmalloc="no"
1176   ;;
1177   --enable-tcmalloc) tcmalloc="yes"
1178   ;;
1179   --disable-jemalloc) jemalloc="no"
1180   ;;
1181   --enable-jemalloc) jemalloc="yes"
1182   ;;
1183   --disable-replication) replication="no"
1184   ;;
1185   --enable-replication) replication="yes"
1186   ;;
1187   --disable-vxhs) vxhs="no"
1188   ;;
1189   --enable-vxhs) vxhs="yes"
1190   ;;
1191   *)
1192       echo "ERROR: unknown option $opt"
1193       echo "Try '$0 --help' for more information"
1194       exit 1
1195   ;;
1196   esac
1197 done
1198
1199 case "$cpu" in
1200     ppc)
1201            CPU_CFLAGS="-m32"
1202            LDFLAGS="-m32 $LDFLAGS"
1203            ;;
1204     ppc64)
1205            CPU_CFLAGS="-m64"
1206            LDFLAGS="-m64 $LDFLAGS"
1207            ;;
1208     sparc)
1209            LDFLAGS="-m32 $LDFLAGS"
1210            CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1211            ;;
1212     sparc64)
1213            LDFLAGS="-m64 $LDFLAGS"
1214            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1215            ;;
1216     s390)
1217            CPU_CFLAGS="-m31"
1218            LDFLAGS="-m31 $LDFLAGS"
1219            ;;
1220     s390x)
1221            CPU_CFLAGS="-m64"
1222            LDFLAGS="-m64 $LDFLAGS"
1223            ;;
1224     i386)
1225            CPU_CFLAGS="-m32"
1226            LDFLAGS="-m32 $LDFLAGS"
1227            cc_i386='$(CC) -m32'
1228            ;;
1229     x86_64)
1230            # ??? Only extremely old AMD cpus do not have cmpxchg16b.
1231            # If we truly care, we should simply detect this case at
1232            # runtime and generate the fallback to serial emulation.
1233            CPU_CFLAGS="-m64 -mcx16"
1234            LDFLAGS="-m64 $LDFLAGS"
1235            cc_i386='$(CC) -m32'
1236            ;;
1237     x32)
1238            CPU_CFLAGS="-mx32"
1239            LDFLAGS="-mx32 $LDFLAGS"
1240            cc_i386='$(CC) -m32'
1241            ;;
1242     # No special flags required for other host CPUs
1243 esac
1244
1245 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1246 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1247
1248 # For user-mode emulation the host arch has to be one we explicitly
1249 # support, even if we're using TCI.
1250 if [ "$ARCH" = "unknown" ]; then
1251   bsd_user="no"
1252   linux_user="no"
1253 fi
1254
1255 default_target_list=""
1256
1257 mak_wilds=""
1258
1259 if [ "$softmmu" = "yes" ]; then
1260     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1261 fi
1262 if [ "$linux_user" = "yes" ]; then
1263     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1264 fi
1265 if [ "$bsd_user" = "yes" ]; then
1266     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1267 fi
1268
1269 for config in $mak_wilds; do
1270     default_target_list="${default_target_list} $(basename "$config" .mak)"
1271 done
1272
1273 # Enumerate public trace backends for --help output
1274 trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/'))
1275
1276 if test x"$show_help" = x"yes" ; then
1277 cat << EOF
1278
1279 Usage: configure [options]
1280 Options: [defaults in brackets after descriptions]
1281
1282 Standard options:
1283   --help                   print this message
1284   --prefix=PREFIX          install in PREFIX [$prefix]
1285   --interp-prefix=PREFIX   where to find shared libraries, etc.
1286                            use %M for cpu name [$interp_prefix]
1287   --target-list=LIST       set target list (default: build everything)
1288 $(echo Available targets: $default_target_list | \
1289   fold -s -w 53 | sed -e 's/^/                           /')
1290
1291 Advanced options (experts only):
1292   --source-path=PATH       path of source code [$source_path]
1293   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1294   --cc=CC                  use C compiler CC [$cc]
1295   --iasl=IASL              use ACPI compiler IASL [$iasl]
1296   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1297                            build time
1298   --cxx=CXX                use C++ compiler CXX [$cxx]
1299   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1300   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1301   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1302   --make=MAKE              use specified make [$make]
1303   --install=INSTALL        use specified install [$install]
1304   --python=PYTHON          use specified python [$python]
1305   --smbd=SMBD              use specified smbd [$smbd]
1306   --static                 enable static build [$static]
1307   --mandir=PATH            install man pages in PATH
1308   --datadir=PATH           install firmware in PATH$confsuffix
1309   --docdir=PATH            install documentation in PATH$confsuffix
1310   --bindir=PATH            install binaries in PATH
1311   --libdir=PATH            install libraries in PATH
1312   --sysconfdir=PATH        install config in PATH$confsuffix
1313   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1314   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1315   --enable-debug           enable common debug build options
1316   --disable-strip          disable stripping binaries
1317   --disable-werror         disable compilation abort on warning
1318   --disable-stack-protector disable compiler-provided stack protection
1319   --audio-drv-list=LIST    set audio drivers list:
1320                            Available drivers: $audio_possible_drivers
1321   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1322   --block-drv-rw-whitelist=L
1323                            set block driver read-write whitelist
1324                            (affects only QEMU, not qemu-img)
1325   --block-drv-ro-whitelist=L
1326                            set block driver read-only whitelist
1327                            (affects only QEMU, not qemu-img)
1328   --enable-trace-backends=B Set trace backend
1329                            Available backends: $trace_backend_list
1330   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1331                            Default:trace-<pid>
1332   --disable-slirp          disable SLIRP userspace network connectivity
1333   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1334   --oss-lib                path to OSS library
1335   --cpu=CPU                Build for host CPU [$cpu]
1336   --with-coroutine=BACKEND coroutine backend. Supported options:
1337                            gthread, ucontext, sigaltstack, windows
1338   --enable-gcov            enable test coverage analysis with gcov
1339   --gcov=GCOV              use specified gcov [$gcov_tool]
1340   --disable-blobs          disable installing provided firmware blobs
1341   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1342   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1343   --tls-priority           default TLS protocol/cipher priority string
1344   --enable-gprof           QEMU profiling with gprof
1345   --enable-profiler        profiler support
1346   --enable-xen-pv-domain-build
1347                            xen pv domain builder
1348   --enable-debug-stack-usage
1349                            track the maximum stack usage of stacks created by qemu_alloc_stack
1350
1351 Optional features, enabled with --enable-FEATURE and
1352 disabled with --disable-FEATURE, default is enabled if available:
1353
1354   system          all system emulation targets
1355   user            supported user emulation targets
1356   linux-user      all linux usermode emulation targets
1357   bsd-user        all BSD usermode emulation targets
1358   docs            build documentation
1359   guest-agent     build the QEMU Guest Agent
1360   guest-agent-msi build guest agent Windows MSI installation package
1361   pie             Position Independent Executables
1362   modules         modules support
1363   debug-tcg       TCG debugging (default is disabled)
1364   debug-info      debugging information
1365   sparse          sparse checker
1366
1367   gnutls          GNUTLS cryptography support
1368   nettle          nettle cryptography support
1369   gcrypt          libgcrypt cryptography support
1370   sdl             SDL UI
1371   --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1372   gtk             gtk UI
1373   --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1374   vte             vte support for the gtk UI
1375   curses          curses UI
1376   vnc             VNC UI support
1377   vnc-sasl        SASL encryption for VNC server
1378   vnc-jpeg        JPEG lossy compression for VNC server
1379   vnc-png         PNG compression for VNC server
1380   cocoa           Cocoa UI (Mac OS X only)
1381   virtfs          VirtFS
1382   xen             xen backend driver support
1383   xen-pci-passthrough
1384   brlapi          BrlAPI (Braile)
1385   curl            curl connectivity
1386   fdt             fdt device tree
1387   bluez           bluez stack connectivity
1388   kvm             KVM acceleration support
1389   hax             HAX acceleration support
1390   rdma            RDMA-based migration support
1391   vde             support for vde network
1392   netmap          support for netmap network
1393   linux-aio       Linux AIO support
1394   cap-ng          libcap-ng support
1395   attr            attr and xattr support
1396   vhost-net       vhost-net acceleration support
1397   spice           spice
1398   rbd             rados block device (rbd)
1399   libiscsi        iscsi support
1400   libnfs          nfs support
1401   smartcard       smartcard support (libcacard)
1402   libusb          libusb (for usb passthrough)
1403   usb-redir       usb network redirection support
1404   lzo             support of lzo compression library
1405   snappy          support of snappy compression library
1406   bzip2           support of bzip2 compression library
1407                   (for reading bzip2-compressed dmg images)
1408   seccomp         seccomp support
1409   coroutine-pool  coroutine freelist (better performance)
1410   glusterfs       GlusterFS backend
1411   tpm             TPM support
1412   libssh2         ssh block device support
1413   numa            libnuma support
1414   tcmalloc        tcmalloc support
1415   jemalloc        jemalloc support
1416   replication     replication support
1417   vhost-vsock     virtio sockets device support
1418   opengl          opengl support
1419   virglrenderer   virgl rendering support
1420   xfsctl          xfsctl support
1421   qom-cast-debug  cast debugging support
1422   tools           build qemu-io, qemu-nbd and qemu-image tools
1423   vxhs            Veritas HyperScale vDisk backend support
1424
1425 NOTE: The object files are built at the place where configure is launched
1426 EOF
1427 exit 0
1428 fi
1429
1430 if ! has $python; then
1431   error_exit "Python not found. Use --python=/path/to/python"
1432 fi
1433
1434 # Note that if the Python conditional here evaluates True we will exit
1435 # with status 1 which is a shell 'false' value.
1436 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1437   error_exit "Cannot use '$python', Python 2.6 or later is required." \
1438       "Note that Python 3 or later is not yet supported." \
1439       "Use --python=/path/to/python to specify a supported Python."
1440 fi
1441
1442 # Suppress writing compiled files
1443 python="$python -B"
1444
1445 # Now we have handled --enable-tcg-interpreter and know we're not just
1446 # printing the help message, bail out if the host CPU isn't supported.
1447 if test "$ARCH" = "unknown"; then
1448     if test "$tcg_interpreter" = "yes" ; then
1449         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1450     else
1451         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1452     fi
1453 fi
1454
1455 # Consult white-list to determine whether to enable werror
1456 # by default.  Only enable by default for git builds
1457 if test -z "$werror" ; then
1458     if test -d "$source_path/.git" -a \
1459         \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1460         werror="yes"
1461     else
1462         werror="no"
1463     fi
1464 fi
1465
1466 # check that the C compiler works.
1467 write_c_skeleton;
1468 if compile_object ; then
1469   : C compiler works ok
1470 else
1471     error_exit "\"$cc\" either does not exist or does not work"
1472 fi
1473 if ! compile_prog ; then
1474     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1475 fi
1476
1477 if test "$bogus_os" = "yes"; then
1478     # Now that we know that we're not printing the help and that
1479     # the compiler works (so the results of the check_defines we used
1480     # to identify the OS are reliable), if we didn't recognize the
1481     # host OS we should stop now.
1482     error_exit "Unrecognized host OS $targetos"
1483 fi
1484
1485 # Check that the C++ compiler exists and works with the C compiler
1486 if has $cxx; then
1487     cat > $TMPC <<EOF
1488 int c_function(void);
1489 int main(void) { return c_function(); }
1490 EOF
1491
1492     compile_object
1493
1494     cat > $TMPCXX <<EOF
1495 extern "C" {
1496    int c_function(void);
1497 }
1498 int c_function(void) { return 42; }
1499 EOF
1500
1501     update_cxxflags
1502
1503     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1504         # C++ compiler $cxx works ok with C compiler $cc
1505         :
1506     else
1507         echo "C++ compiler $cxx does not work with C compiler $cc"
1508         echo "Disabling C++ specific optional code"
1509         cxx=
1510     fi
1511 else
1512     echo "No C++ compiler available; disabling C++ specific optional code"
1513     cxx=
1514 fi
1515
1516 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1517 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1518 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1519 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
1520 gcc_flags="-Wno-initializer-overrides $gcc_flags"
1521 gcc_flags="-Wno-string-plus-int $gcc_flags"
1522 # Note that we do not add -Werror to gcc_flags here, because that would
1523 # enable it for all configure tests. If a configure test failed due
1524 # to -Werror this would just silently disable some features,
1525 # so it's too error prone.
1526
1527 cc_has_warning_flag() {
1528     write_c_skeleton;
1529
1530     # Use the positive sense of the flag when testing for -Wno-wombat
1531     # support (gcc will happily accept the -Wno- form of unknown
1532     # warning options).
1533     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1534     compile_prog "-Werror $optflag" ""
1535 }
1536
1537 for flag in $gcc_flags; do
1538     if cc_has_warning_flag $flag ; then
1539         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1540     fi
1541 done
1542
1543 if test "$stack_protector" != "no"; then
1544   cat > $TMPC << EOF
1545 int main(int argc, char *argv[])
1546 {
1547     char arr[64], *p = arr, *c = argv[0];
1548     while (*c) {
1549         *p++ = *c++;
1550     }
1551     return 0;
1552 }
1553 EOF
1554   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1555   sp_on=0
1556   for flag in $gcc_flags; do
1557     # We need to check both a compile and a link, since some compiler
1558     # setups fail only on a .c->.o compile and some only at link time
1559     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1560        compile_prog "-Werror $flag" ""; then
1561       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1562       sp_on=1
1563       break
1564     fi
1565   done
1566   if test "$stack_protector" = yes; then
1567     if test $sp_on = 0; then
1568       error_exit "Stack protector not supported"
1569     fi
1570   fi
1571 fi
1572
1573 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1574 # large functions that use global variables.  The bug is in all releases of
1575 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1576 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1577 cat > $TMPC << EOF
1578 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1579 int main(void) { return 0; }
1580 #else
1581 #error No bug in this compiler.
1582 #endif
1583 EOF
1584 if compile_prog "-Werror -fno-gcse" "" ; then
1585   TRANSLATE_OPT_CFLAGS=-fno-gcse
1586 fi
1587
1588 if test "$static" = "yes" ; then
1589   if test "$modules" = "yes" ; then
1590     error_exit "static and modules are mutually incompatible"
1591   fi
1592   if test "$pie" = "yes" ; then
1593     error_exit "static and pie are mutually incompatible"
1594   else
1595     pie="no"
1596   fi
1597 fi
1598
1599 # Unconditional check for compiler __thread support
1600   cat > $TMPC << EOF
1601 static __thread int tls_var;
1602 int main(void) { return tls_var; }
1603 EOF
1604
1605 if ! compile_prog "-Werror" "" ; then
1606     error_exit "Your compiler does not support the __thread specifier for " \
1607         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1608 fi
1609
1610 if test "$pie" = ""; then
1611   case "$cpu-$targetos" in
1612     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1613       ;;
1614     *)
1615       pie="no"
1616       ;;
1617   esac
1618 fi
1619
1620 if test "$pie" != "no" ; then
1621   cat > $TMPC << EOF
1622
1623 #ifdef __linux__
1624 #  define THREAD __thread
1625 #else
1626 #  define THREAD
1627 #endif
1628
1629 static THREAD int tls_var;
1630
1631 int main(void) { return tls_var; }
1632
1633 EOF
1634   if compile_prog "-fPIE -DPIE" "-pie"; then
1635     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1636     LDFLAGS="-pie $LDFLAGS"
1637     pie="yes"
1638     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1639       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1640     fi
1641   else
1642     if test "$pie" = "yes"; then
1643       error_exit "PIE not available due to missing toolchain support"
1644     else
1645       echo "Disabling PIE due to missing toolchain support"
1646       pie="no"
1647     fi
1648   fi
1649
1650   if compile_prog "-Werror -fno-pie" "-nopie"; then
1651     CFLAGS_NOPIE="-fno-pie"
1652     LDFLAGS_NOPIE="-nopie"
1653   fi
1654 fi
1655
1656 ##########################################
1657 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1658 # use i686 as default anyway, but for those that don't, an explicit
1659 # specification is necessary
1660
1661 if test "$cpu" = "i386"; then
1662   cat > $TMPC << EOF
1663 static int sfaa(int *ptr)
1664 {
1665   return __sync_fetch_and_and(ptr, 0);
1666 }
1667
1668 int main(void)
1669 {
1670   int val = 42;
1671   val = __sync_val_compare_and_swap(&val, 0, 1);
1672   sfaa(&val);
1673   return val;
1674 }
1675 EOF
1676   if ! compile_prog "" "" ; then
1677     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1678   fi
1679 fi
1680
1681 #########################################
1682 # Solaris specific configure tool chain decisions
1683
1684 if test "$solaris" = "yes" ; then
1685   if has $install; then
1686     :
1687   else
1688     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1689         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1690         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1691   fi
1692   if test "$(path_of $install)" = "/usr/sbin/install" ; then
1693     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1694         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1695         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1696   fi
1697   if has ar; then
1698     :
1699   else
1700     if test -f /usr/ccs/bin/ar ; then
1701       error_exit "No path includes ar" \
1702           "Add /usr/ccs/bin to your path and rerun configure"
1703     fi
1704     error_exit "No path includes ar"
1705   fi
1706 fi
1707
1708 if test -z "${target_list+xxx}" ; then
1709     target_list="$default_target_list"
1710 else
1711     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1712 fi
1713
1714 # Check that we recognised the target name; this allows a more
1715 # friendly error message than if we let it fall through.
1716 for target in $target_list; do
1717     case " $default_target_list " in
1718         *" $target "*)
1719             ;;
1720         *)
1721             error_exit "Unknown target name '$target'"
1722             ;;
1723     esac
1724 done
1725
1726 # see if system emulation was really requested
1727 case " $target_list " in
1728   *"-softmmu "*) softmmu=yes
1729   ;;
1730   *) softmmu=no
1731   ;;
1732 esac
1733
1734 feature_not_found() {
1735   feature=$1
1736   remedy=$2
1737
1738   error_exit "User requested feature $feature" \
1739       "configure was not able to find it." \
1740       "$remedy"
1741 }
1742
1743 # ---
1744 # big/little endian test
1745 cat > $TMPC << EOF
1746 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1747 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1748 extern int foo(short *, short *);
1749 int main(int argc, char *argv[]) {
1750     return foo(big_endian, little_endian);
1751 }
1752 EOF
1753
1754 if compile_object ; then
1755     if grep -q BiGeNdIaN $TMPO ; then
1756         bigendian="yes"
1757     elif grep -q LiTtLeEnDiAn $TMPO ; then
1758         bigendian="no"
1759     else
1760         echo big/little test failed
1761     fi
1762 else
1763     echo big/little test failed
1764 fi
1765
1766 ##########################################
1767 # cocoa implies not SDL or GTK
1768 # (the cocoa UI code currently assumes it is always the active UI
1769 # and doesn't interact well with other UI frontend code)
1770 if test "$cocoa" = "yes"; then
1771     if test "$sdl" = "yes"; then
1772         error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1773     fi
1774     if test "$gtk" = "yes"; then
1775         error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1776     fi
1777     gtk=no
1778     sdl=no
1779 fi
1780
1781 # Some versions of Mac OS X incorrectly define SIZE_MAX
1782 cat > $TMPC << EOF
1783 #include <stdint.h>
1784 #include <stdio.h>
1785 int main(int argc, char *argv[]) {
1786     return printf("%zu", SIZE_MAX);
1787 }
1788 EOF
1789 have_broken_size_max=no
1790 if ! compile_object -Werror ; then
1791     have_broken_size_max=yes
1792 fi
1793
1794 ##########################################
1795 # L2TPV3 probe
1796
1797 cat > $TMPC <<EOF
1798 #include <sys/socket.h>
1799 #include <linux/ip.h>
1800 int main(void) { return sizeof(struct mmsghdr); }
1801 EOF
1802 if compile_prog "" "" ; then
1803   l2tpv3=yes
1804 else
1805   l2tpv3=no
1806 fi
1807
1808 ##########################################
1809 # MinGW / Mingw-w64 localtime_r/gmtime_r check
1810
1811 if test "$mingw32" = "yes"; then
1812     # Some versions of MinGW / Mingw-w64 lack localtime_r
1813     # and gmtime_r entirely.
1814     #
1815     # Some versions of Mingw-w64 define a macro for
1816     # localtime_r/gmtime_r.
1817     #
1818     # Some versions of Mingw-w64 will define functions
1819     # for localtime_r/gmtime_r, but only if you have
1820     # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1821     # though, unistd.h and pthread.h both define
1822     # that for you.
1823     #
1824     # So this #undef localtime_r and #include <unistd.h>
1825     # are not in fact redundant.
1826 cat > $TMPC << EOF
1827 #include <unistd.h>
1828 #include <time.h>
1829 #undef localtime_r
1830 int main(void) { localtime_r(NULL, NULL); return 0; }
1831 EOF
1832     if compile_prog "" "" ; then
1833         localtime_r="yes"
1834     else
1835         localtime_r="no"
1836     fi
1837 fi
1838
1839 ##########################################
1840 # pkg-config probe
1841
1842 if ! has "$pkg_config_exe"; then
1843   error_exit "pkg-config binary '$pkg_config_exe' not found"
1844 fi
1845
1846 ##########################################
1847 # NPTL probe
1848
1849 if test "$linux_user" = "yes"; then
1850   cat > $TMPC <<EOF
1851 #include <sched.h>
1852 #include <linux/futex.h>
1853 int main(void) {
1854 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1855 #error bork
1856 #endif
1857   return 0;
1858 }
1859 EOF
1860   if ! compile_object ; then
1861     feature_not_found "nptl" "Install glibc and linux kernel headers."
1862   fi
1863 fi
1864
1865 ##########################################
1866 # avx2 optimization requirement check
1867
1868 cat > $TMPC << EOF
1869 #pragma GCC push_options
1870 #pragma GCC target("avx2")
1871 #include <cpuid.h>
1872 #include <immintrin.h>
1873 static int bar(void *a) {
1874     __m256i x = *(__m256i *)a;
1875     return _mm256_testz_si256(x, x);
1876 }
1877 int main(int argc, char *argv[]) { return bar(argv[0]); }
1878 EOF
1879 if compile_object "" ; then
1880   avx2_opt="yes"
1881 fi
1882
1883 #########################################
1884 # zlib check
1885
1886 if test "$zlib" != "no" ; then
1887     cat > $TMPC << EOF
1888 #include <zlib.h>
1889 int main(void) { zlibVersion(); return 0; }
1890 EOF
1891     if compile_prog "" "-lz" ; then
1892         :
1893     else
1894         error_exit "zlib check failed" \
1895             "Make sure to have the zlib libs and headers installed."
1896     fi
1897 fi
1898 LIBS="$LIBS -lz"
1899
1900 ##########################################
1901 # lzo check
1902
1903 if test "$lzo" != "no" ; then
1904     cat > $TMPC << EOF
1905 #include <lzo/lzo1x.h>
1906 int main(void) { lzo_version(); return 0; }
1907 EOF
1908     if compile_prog "" "-llzo2" ; then
1909         libs_softmmu="$libs_softmmu -llzo2"
1910         lzo="yes"
1911     else
1912         if test "$lzo" = "yes"; then
1913             feature_not_found "liblzo2" "Install liblzo2 devel"
1914         fi
1915         lzo="no"
1916     fi
1917 fi
1918
1919 ##########################################
1920 # snappy check
1921
1922 if test "$snappy" != "no" ; then
1923     cat > $TMPC << EOF
1924 #include <snappy-c.h>
1925 int main(void) { snappy_max_compressed_length(4096); return 0; }
1926 EOF
1927     if compile_prog "" "-lsnappy" ; then
1928         libs_softmmu="$libs_softmmu -lsnappy"
1929         snappy="yes"
1930     else
1931         if test "$snappy" = "yes"; then
1932             feature_not_found "libsnappy" "Install libsnappy devel"
1933         fi
1934         snappy="no"
1935     fi
1936 fi
1937
1938 ##########################################
1939 # bzip2 check
1940
1941 if test "$bzip2" != "no" ; then
1942     cat > $TMPC << EOF
1943 #include <bzlib.h>
1944 int main(void) { BZ2_bzlibVersion(); return 0; }
1945 EOF
1946     if compile_prog "" "-lbz2" ; then
1947         bzip2="yes"
1948     else
1949         if test "$bzip2" = "yes"; then
1950             feature_not_found "libbzip2" "Install libbzip2 devel"
1951         fi
1952         bzip2="no"
1953     fi
1954 fi
1955
1956 ##########################################
1957 # libseccomp check
1958
1959 if test "$seccomp" != "no" ; then
1960     case "$cpu" in
1961     i386|x86_64)
1962         libseccomp_minver="2.1.0"
1963         ;;
1964     mips)
1965         libseccomp_minver="2.2.0"
1966         ;;
1967     arm|aarch64)
1968         libseccomp_minver="2.2.3"
1969         ;;
1970     ppc|ppc64)
1971         libseccomp_minver="2.3.0"
1972         ;;
1973     *)
1974         libseccomp_minver=""
1975         ;;
1976     esac
1977
1978     if test "$libseccomp_minver" != "" &&
1979        $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
1980         libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)"
1981         QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)"
1982         seccomp="yes"
1983     else
1984         if test "$seccomp" = "yes" ; then
1985             if test "$libseccomp_minver" != "" ; then
1986                 feature_not_found "libseccomp" \
1987                     "Install libseccomp devel >= $libseccomp_minver"
1988             else
1989                 feature_not_found "libseccomp" \
1990                     "libseccomp is not supported for host cpu $cpu"
1991             fi
1992         fi
1993         seccomp="no"
1994     fi
1995 fi
1996 ##########################################
1997 # xen probe
1998
1999 if test "$xen" != "no" ; then
2000   # Check whether Xen library path is specified via --extra-ldflags to avoid
2001   # overriding this setting with pkg-config output. If not, try pkg-config
2002   # to obtain all needed flags.
2003
2004   if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \
2005      $pkg_config --exists xencontrol ; then
2006     xen_ctrl_version="$(printf '%d%02d%02d' \
2007       $($pkg_config --modversion xencontrol | sed 's/\./ /g') )"
2008     xen=yes
2009     xen_pc="xencontrol xenstore xenguest xenforeignmemory xengnttab"
2010     xen_pc="$xen_pc xenevtchn xendevicemodel"
2011     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags $xen_pc)"
2012     libs_softmmu="$($pkg_config --libs $xen_pc) $libs_softmmu"
2013     LDFLAGS="$($pkg_config --libs $xen_pc) $LDFLAGS"
2014   else
2015
2016     xen_libs="-lxenstore -lxenctrl -lxenguest"
2017     xen_stable_libs="-lxencall -lxenforeignmemory -lxengnttab -lxenevtchn"
2018
2019     # First we test whether Xen headers and libraries are available.
2020     # If no, we are done and there is no Xen support.
2021     # If yes, more tests are run to detect the Xen version.
2022
2023     # Xen (any)
2024     cat > $TMPC <<EOF
2025 #include <xenctrl.h>
2026 int main(void) {
2027   return 0;
2028 }
2029 EOF
2030     if ! compile_prog "" "$xen_libs" ; then
2031       # Xen not found
2032       if test "$xen" = "yes" ; then
2033         feature_not_found "xen" "Install xen devel"
2034       fi
2035       xen=no
2036
2037     # Xen unstable
2038     elif
2039         cat > $TMPC <<EOF &&
2040 #undef XC_WANT_COMPAT_DEVICEMODEL_API
2041 #define __XEN_TOOLS__
2042 #include <xendevicemodel.h>
2043 int main(void) {
2044   xendevicemodel_handle *xd;
2045
2046   xd = xendevicemodel_open(0, 0);
2047   xendevicemodel_close(xd);
2048
2049   return 0;
2050 }
2051 EOF
2052         compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
2053       then
2054       xen_stable_libs="-lxendevicemodel $xen_stable_libs"
2055       xen_ctrl_version=40900
2056       xen=yes
2057     elif
2058         cat > $TMPC <<EOF &&
2059 /*
2060  * If we have stable libs the we don't want the libxc compat
2061  * layers, regardless of what CFLAGS we may have been given.
2062  *
2063  * Also, check if xengnttab_grant_copy_segment_t is defined and
2064  * grant copy operation is implemented.
2065  */
2066 #undef XC_WANT_COMPAT_EVTCHN_API
2067 #undef XC_WANT_COMPAT_GNTTAB_API
2068 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2069 #include <xenctrl.h>
2070 #include <xenstore.h>
2071 #include <xenevtchn.h>
2072 #include <xengnttab.h>
2073 #include <xenforeignmemory.h>
2074 #include <stdint.h>
2075 #include <xen/hvm/hvm_info_table.h>
2076 #if !defined(HVM_MAX_VCPUS)
2077 # error HVM_MAX_VCPUS not defined
2078 #endif
2079 int main(void) {
2080   xc_interface *xc = NULL;
2081   xenforeignmemory_handle *xfmem;
2082   xenevtchn_handle *xe;
2083   xengnttab_handle *xg;
2084   xen_domain_handle_t handle;
2085   xengnttab_grant_copy_segment_t* seg = NULL;
2086
2087   xs_daemon_open();
2088
2089   xc = xc_interface_open(0, 0, 0);
2090   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2091   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2092   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2093   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2094   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2095
2096   xfmem = xenforeignmemory_open(0, 0);
2097   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2098
2099   xe = xenevtchn_open(0, 0);
2100   xenevtchn_fd(xe);
2101
2102   xg = xengnttab_open(0, 0);
2103   xengnttab_grant_copy(xg, 0, seg);
2104
2105   return 0;
2106 }
2107 EOF
2108         compile_prog "" "$xen_libs $xen_stable_libs"
2109       then
2110       xen_ctrl_version=40800
2111       xen=yes
2112     elif
2113         cat > $TMPC <<EOF &&
2114 /*
2115  * If we have stable libs the we don't want the libxc compat
2116  * layers, regardless of what CFLAGS we may have been given.
2117  */
2118 #undef XC_WANT_COMPAT_EVTCHN_API
2119 #undef XC_WANT_COMPAT_GNTTAB_API
2120 #undef XC_WANT_COMPAT_MAP_FOREIGN_API
2121 #include <xenctrl.h>
2122 #include <xenstore.h>
2123 #include <xenevtchn.h>
2124 #include <xengnttab.h>
2125 #include <xenforeignmemory.h>
2126 #include <stdint.h>
2127 #include <xen/hvm/hvm_info_table.h>
2128 #if !defined(HVM_MAX_VCPUS)
2129 # error HVM_MAX_VCPUS not defined
2130 #endif
2131 int main(void) {
2132   xc_interface *xc = NULL;
2133   xenforeignmemory_handle *xfmem;
2134   xenevtchn_handle *xe;
2135   xengnttab_handle *xg;
2136   xen_domain_handle_t handle;
2137
2138   xs_daemon_open();
2139
2140   xc = xc_interface_open(0, 0, 0);
2141   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2142   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2143   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2144   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2145   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2146
2147   xfmem = xenforeignmemory_open(0, 0);
2148   xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
2149
2150   xe = xenevtchn_open(0, 0);
2151   xenevtchn_fd(xe);
2152
2153   xg = xengnttab_open(0, 0);
2154   xengnttab_map_grant_ref(xg, 0, 0, 0);
2155
2156   return 0;
2157 }
2158 EOF
2159         compile_prog "" "$xen_libs $xen_stable_libs"
2160       then
2161       xen_ctrl_version=40701
2162       xen=yes
2163     elif
2164         cat > $TMPC <<EOF &&
2165 #include <xenctrl.h>
2166 #include <stdint.h>
2167 int main(void) {
2168   xc_interface *xc = NULL;
2169   xen_domain_handle_t handle;
2170   xc_domain_create(xc, 0, handle, 0, NULL, NULL);
2171   return 0;
2172 }
2173 EOF
2174         compile_prog "" "$xen_libs"
2175       then
2176       xen_ctrl_version=40700
2177       xen=yes
2178
2179     # Xen 4.6
2180     elif
2181         cat > $TMPC <<EOF &&
2182 #include <xenctrl.h>
2183 #include <xenstore.h>
2184 #include <stdint.h>
2185 #include <xen/hvm/hvm_info_table.h>
2186 #if !defined(HVM_MAX_VCPUS)
2187 # error HVM_MAX_VCPUS not defined
2188 #endif
2189 int main(void) {
2190   xc_interface *xc;
2191   xs_daemon_open();
2192   xc = xc_interface_open(0, 0, 0);
2193   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2194   xc_gnttab_open(NULL, 0);
2195   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2196   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2197   xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2198   xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2199   return 0;
2200 }
2201 EOF
2202         compile_prog "" "$xen_libs"
2203       then
2204       xen_ctrl_version=40600
2205       xen=yes
2206
2207     # Xen 4.5
2208     elif
2209         cat > $TMPC <<EOF &&
2210 #include <xenctrl.h>
2211 #include <xenstore.h>
2212 #include <stdint.h>
2213 #include <xen/hvm/hvm_info_table.h>
2214 #if !defined(HVM_MAX_VCPUS)
2215 # error HVM_MAX_VCPUS not defined
2216 #endif
2217 int main(void) {
2218   xc_interface *xc;
2219   xs_daemon_open();
2220   xc = xc_interface_open(0, 0, 0);
2221   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2222   xc_gnttab_open(NULL, 0);
2223   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2224   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2225   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2226   return 0;
2227 }
2228 EOF
2229         compile_prog "" "$xen_libs"
2230       then
2231       xen_ctrl_version=40500
2232       xen=yes
2233
2234     elif
2235         cat > $TMPC <<EOF &&
2236 #include <xenctrl.h>
2237 #include <xenstore.h>
2238 #include <stdint.h>
2239 #include <xen/hvm/hvm_info_table.h>
2240 #if !defined(HVM_MAX_VCPUS)
2241 # error HVM_MAX_VCPUS not defined
2242 #endif
2243 int main(void) {
2244   xc_interface *xc;
2245   xs_daemon_open();
2246   xc = xc_interface_open(0, 0, 0);
2247   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2248   xc_gnttab_open(NULL, 0);
2249   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2250   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2251   return 0;
2252 }
2253 EOF
2254         compile_prog "" "$xen_libs"
2255       then
2256       xen_ctrl_version=40200
2257       xen=yes
2258
2259     else
2260       if test "$xen" = "yes" ; then
2261         feature_not_found "xen (unsupported version)" \
2262                           "Install a supported xen (xen 4.2 or newer)"
2263       fi
2264       xen=no
2265     fi
2266
2267     if test "$xen" = yes; then
2268       if test $xen_ctrl_version -ge 40701  ; then
2269         libs_softmmu="$xen_stable_libs $libs_softmmu"
2270       fi
2271       libs_softmmu="$xen_libs $libs_softmmu"
2272     fi
2273   fi
2274 fi
2275
2276 if test "$xen_pci_passthrough" != "no"; then
2277   if test "$xen" = "yes" && test "$linux" = "yes"; then
2278     xen_pci_passthrough=yes
2279   else
2280     if test "$xen_pci_passthrough" = "yes"; then
2281       error_exit "User requested feature Xen PCI Passthrough" \
2282           " but this feature requires /sys from Linux"
2283     fi
2284     xen_pci_passthrough=no
2285   fi
2286 fi
2287
2288 if test "$xen_pv_domain_build" = "yes" &&
2289    test "$xen" != "yes"; then
2290     error_exit "User requested Xen PV domain builder support" \
2291                "which requires Xen support."
2292 fi
2293
2294 ##########################################
2295 # Sparse probe
2296 if test "$sparse" != "no" ; then
2297   if has cgcc; then
2298     sparse=yes
2299   else
2300     if test "$sparse" = "yes" ; then
2301       feature_not_found "sparse" "Install sparse binary"
2302     fi
2303     sparse=no
2304   fi
2305 fi
2306
2307 ##########################################
2308 # X11 probe
2309 x11_cflags=
2310 x11_libs=-lX11
2311 if $pkg_config --exists "x11"; then
2312     x11_cflags=$($pkg_config --cflags x11)
2313     x11_libs=$($pkg_config --libs x11)
2314 fi
2315
2316 ##########################################
2317 # GTK probe
2318
2319 if test "$gtkabi" = ""; then
2320     # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2321     # Use 3.0 as a fallback if that is available.
2322     if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2323         gtkabi=2.0
2324     elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2325         gtkabi=3.0
2326     else
2327         gtkabi=2.0
2328     fi
2329 fi
2330
2331 if test "$gtk" != "no"; then
2332     gtkpackage="gtk+-$gtkabi"
2333     gtkx11package="gtk+-x11-$gtkabi"
2334     if test "$gtkabi" = "3.0" ; then
2335       gtkversion="3.0.0"
2336     else
2337       gtkversion="2.18.0"
2338     fi
2339     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2340         gtk_cflags=$($pkg_config --cflags $gtkpackage)
2341         gtk_libs=$($pkg_config --libs $gtkpackage)
2342         gtk_version=$($pkg_config --modversion $gtkpackage)
2343         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2344             gtk_cflags="$gtk_cflags $x11_cflags"
2345             gtk_libs="$gtk_libs $x11_libs"
2346         fi
2347         libs_softmmu="$gtk_libs $libs_softmmu"
2348         gtk="yes"
2349     elif test "$gtk" = "yes"; then
2350         feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2351     else
2352         gtk="no"
2353     fi
2354 fi
2355
2356
2357 ##########################################
2358 # GNUTLS probe
2359
2360 gnutls_works() {
2361     # Unfortunately some distros have bad pkg-config information for gnutls
2362     # such that it claims to exist but you get a compiler error if you try
2363     # to use the options returned by --libs. Specifically, Ubuntu for --static
2364     # builds doesn't work:
2365     # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2366     #
2367     # So sanity check the cflags/libs before assuming gnutls can be used.
2368     if ! $pkg_config --exists "gnutls"; then
2369         return 1
2370     fi
2371
2372     write_c_skeleton
2373     compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2374 }
2375
2376 gnutls_gcrypt=no
2377 gnutls_nettle=no
2378 if test "$gnutls" != "no"; then
2379     if gnutls_works; then
2380         gnutls_cflags=$($pkg_config --cflags gnutls)
2381         gnutls_libs=$($pkg_config --libs gnutls)
2382         libs_softmmu="$gnutls_libs $libs_softmmu"
2383         libs_tools="$gnutls_libs $libs_tools"
2384         QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2385         gnutls="yes"
2386
2387         # gnutls_rnd requires >= 2.11.0
2388         if $pkg_config --exists "gnutls >= 2.11.0"; then
2389             gnutls_rnd="yes"
2390         else
2391             gnutls_rnd="no"
2392         fi
2393
2394         if $pkg_config --exists 'gnutls >= 3.0'; then
2395             gnutls_gcrypt=no
2396             gnutls_nettle=yes
2397         elif $pkg_config --exists 'gnutls >= 2.12'; then
2398             case $($pkg_config --libs --static gnutls) in
2399                 *gcrypt*)
2400                     gnutls_gcrypt=yes
2401                     gnutls_nettle=no
2402                     ;;
2403                 *nettle*)
2404                     gnutls_gcrypt=no
2405                     gnutls_nettle=yes
2406                     ;;
2407                 *)
2408                     gnutls_gcrypt=yes
2409                     gnutls_nettle=no
2410                     ;;
2411             esac
2412         else
2413             gnutls_gcrypt=yes
2414             gnutls_nettle=no
2415         fi
2416     elif test "$gnutls" = "yes"; then
2417         feature_not_found "gnutls" "Install gnutls devel"
2418     else
2419         gnutls="no"
2420         gnutls_rnd="no"
2421     fi
2422 else
2423     gnutls_rnd="no"
2424 fi
2425
2426
2427 # If user didn't give a --disable/enable-gcrypt flag,
2428 # then mark as disabled if user requested nettle
2429 # explicitly, or if gnutls links to nettle
2430 if test -z "$gcrypt"
2431 then
2432     if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2433     then
2434         gcrypt="no"
2435     fi
2436 fi
2437
2438 # If user didn't give a --disable/enable-nettle flag,
2439 # then mark as disabled if user requested gcrypt
2440 # explicitly, or if gnutls links to gcrypt
2441 if test -z "$nettle"
2442 then
2443     if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2444     then
2445         nettle="no"
2446     fi
2447 fi
2448
2449 has_libgcrypt_config() {
2450     if ! has "libgcrypt-config"
2451     then
2452         return 1
2453     fi
2454
2455     if test -n "$cross_prefix"
2456     then
2457         host=$(libgcrypt-config --host)
2458         if test "$host-" != $cross_prefix
2459         then
2460             return 1
2461         fi
2462     fi
2463
2464     return 0
2465 }
2466
2467 if test "$gcrypt" != "no"; then
2468     if has_libgcrypt_config; then
2469         gcrypt_cflags=$(libgcrypt-config --cflags)
2470         gcrypt_libs=$(libgcrypt-config --libs)
2471         # Debian has remove -lgpg-error from libgcrypt-config
2472         # as it "spreads unnecessary dependencies" which in
2473         # turn breaks static builds...
2474         if test "$static" = "yes"
2475         then
2476             gcrypt_libs="$gcrypt_libs -lgpg-error"
2477         fi
2478         libs_softmmu="$gcrypt_libs $libs_softmmu"
2479         libs_tools="$gcrypt_libs $libs_tools"
2480         QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2481         gcrypt="yes"
2482         if test -z "$nettle"; then
2483            nettle="no"
2484         fi
2485
2486         cat > $TMPC << EOF
2487 #include <gcrypt.h>
2488 int main(void) {
2489   gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2490                   GCRY_MD_SHA256,
2491                   NULL, 0, 0, 0, NULL);
2492  return 0;
2493 }
2494 EOF
2495         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2496             gcrypt_kdf=yes
2497         fi
2498
2499         cat > $TMPC << EOF
2500 #include <gcrypt.h>
2501 int main(void) {
2502   gcry_mac_hd_t handle;
2503   gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
2504                 GCRY_MAC_FLAG_SECURE, NULL);
2505   return 0;
2506 }
2507 EOF
2508         if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2509             gcrypt_hmac=yes
2510         fi
2511     else
2512         if test "$gcrypt" = "yes"; then
2513             feature_not_found "gcrypt" "Install gcrypt devel"
2514         else
2515             gcrypt="no"
2516         fi
2517     fi
2518 fi
2519
2520
2521 if test "$nettle" != "no"; then
2522     if $pkg_config --exists "nettle"; then
2523         nettle_cflags=$($pkg_config --cflags nettle)
2524         nettle_libs=$($pkg_config --libs nettle)
2525         nettle_version=$($pkg_config --modversion nettle)
2526         libs_softmmu="$nettle_libs $libs_softmmu"
2527         libs_tools="$nettle_libs $libs_tools"
2528         QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2529         nettle="yes"
2530
2531         cat > $TMPC << EOF
2532 #include <stddef.h>
2533 #include <nettle/pbkdf2.h>
2534 int main(void) {
2535      pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2536      return 0;
2537 }
2538 EOF
2539         if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2540             nettle_kdf=yes
2541         fi
2542     else
2543         if test "$nettle" = "yes"; then
2544             feature_not_found "nettle" "Install nettle devel"
2545         else
2546             nettle="no"
2547         fi
2548     fi
2549 fi
2550
2551 if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2552 then
2553     error_exit "Only one of gcrypt & nettle can be enabled"
2554 fi
2555
2556 ##########################################
2557 # libtasn1 - only for the TLS creds/session test suite
2558
2559 tasn1=yes
2560 tasn1_cflags=""
2561 tasn1_libs=""
2562 if $pkg_config --exists "libtasn1"; then
2563     tasn1_cflags=$($pkg_config --cflags libtasn1)
2564     tasn1_libs=$($pkg_config --libs libtasn1)
2565 else
2566     tasn1=no
2567 fi
2568
2569
2570 ##########################################
2571 # getifaddrs (for tests/test-io-channel-socket )
2572
2573 have_ifaddrs_h=yes
2574 if ! check_include "ifaddrs.h" ; then
2575   have_ifaddrs_h=no
2576 fi
2577
2578 ##########################################
2579 # VTE probe
2580
2581 if test "$vte" != "no"; then
2582     if test "$gtkabi" = "3.0"; then
2583       vteminversion="0.32.0"
2584       if $pkg_config --exists "vte-2.91"; then
2585         vtepackage="vte-2.91"
2586       else
2587         vtepackage="vte-2.90"
2588       fi
2589     else
2590       vtepackage="vte"
2591       vteminversion="0.24.0"
2592     fi
2593     if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2594         vte_cflags=$($pkg_config --cflags $vtepackage)
2595         vte_libs=$($pkg_config --libs $vtepackage)
2596         vteversion=$($pkg_config --modversion $vtepackage)
2597         libs_softmmu="$vte_libs $libs_softmmu"
2598         vte="yes"
2599     elif test "$vte" = "yes"; then
2600         if test "$gtkabi" = "3.0"; then
2601             feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2602         else
2603             feature_not_found "vte" "Install libvte devel"
2604         fi
2605     else
2606         vte="no"
2607     fi
2608 fi
2609
2610 ##########################################
2611 # SDL probe
2612
2613 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2614 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2615
2616 if test "$sdlabi" = ""; then
2617     if $pkg_config --exists "sdl"; then
2618         sdlabi=1.2
2619     elif $pkg_config --exists "sdl2"; then
2620         sdlabi=2.0
2621     else
2622         sdlabi=1.2
2623     fi
2624 fi
2625
2626 if test $sdlabi = "2.0"; then
2627     sdl_config=$sdl2_config
2628     sdlname=sdl2
2629     sdlconfigname=sdl2_config
2630 elif test $sdlabi = "1.2"; then
2631     sdlname=sdl
2632     sdlconfigname=sdl_config
2633 else
2634     error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2635 fi
2636
2637 if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2638   sdl_config=$sdlconfigname
2639 fi
2640
2641 if $pkg_config $sdlname --exists; then
2642   sdlconfig="$pkg_config $sdlname"
2643   sdlversion=$($sdlconfig --modversion 2>/dev/null)
2644 elif has ${sdl_config}; then
2645   sdlconfig="$sdl_config"
2646   sdlversion=$($sdlconfig --version)
2647 else
2648   if test "$sdl" = "yes" ; then
2649     feature_not_found "sdl" "Install SDL devel"
2650   fi
2651   sdl=no
2652 fi
2653 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2654   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2655 fi
2656
2657 sdl_too_old=no
2658 if test "$sdl" != "no" ; then
2659   cat > $TMPC << EOF
2660 #include <SDL.h>
2661 #undef main /* We don't want SDL to override our main() */
2662 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2663 EOF
2664   sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2665   if test "$static" = "yes" ; then
2666     sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2667   else
2668     sdl_libs=$($sdlconfig --libs 2>/dev/null)
2669   fi
2670   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2671     if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2672       sdl_too_old=yes
2673     else
2674       sdl=yes
2675     fi
2676
2677     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2678     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2679       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2680          sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2681          sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2682       fi
2683       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2684         :
2685       else
2686         sdl=no
2687       fi
2688     fi # static link
2689   else # sdl not found
2690     if test "$sdl" = "yes" ; then
2691       feature_not_found "sdl" "Install SDL devel"
2692     fi
2693     sdl=no
2694   fi # sdl compile test
2695 fi
2696
2697 if test "$sdl" = "yes" ; then
2698   cat > $TMPC <<EOF
2699 #include <SDL.h>
2700 #if defined(SDL_VIDEO_DRIVER_X11)
2701 #include <X11/XKBlib.h>
2702 #else
2703 #error No x11 support
2704 #endif
2705 int main(void) { return 0; }
2706 EOF
2707   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2708     sdl_cflags="$sdl_cflags $x11_cflags"
2709     sdl_libs="$sdl_libs $x11_libs"
2710   fi
2711   libs_softmmu="$sdl_libs $libs_softmmu"
2712 fi
2713
2714 ##########################################
2715 # RDMA needs OpenFabrics libraries
2716 if test "$rdma" != "no" ; then
2717   cat > $TMPC <<EOF
2718 #include <rdma/rdma_cma.h>
2719 int main(void) { return 0; }
2720 EOF
2721   rdma_libs="-lrdmacm -libverbs"
2722   if compile_prog "" "$rdma_libs" ; then
2723     rdma="yes"
2724     libs_softmmu="$libs_softmmu $rdma_libs"
2725   else
2726     if test "$rdma" = "yes" ; then
2727         error_exit \
2728             " OpenFabrics librdmacm/libibverbs not present." \
2729             " Your options:" \
2730             "  (1) Fast: Install infiniband packages from your distro." \
2731             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2732             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2733     fi
2734     rdma="no"
2735   fi
2736 fi
2737
2738
2739 ##########################################
2740 # VNC SASL detection
2741 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2742   cat > $TMPC <<EOF
2743 #include <sasl/sasl.h>
2744 #include <stdio.h>
2745 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2746 EOF
2747   # Assuming Cyrus-SASL installed in /usr prefix
2748   vnc_sasl_cflags=""
2749   vnc_sasl_libs="-lsasl2"
2750   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2751     vnc_sasl=yes
2752     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2753     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2754   else
2755     if test "$vnc_sasl" = "yes" ; then
2756       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2757     fi
2758     vnc_sasl=no
2759   fi
2760 fi
2761
2762 ##########################################
2763 # VNC JPEG detection
2764 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2765 cat > $TMPC <<EOF
2766 #include <stdio.h>
2767 #include <jpeglib.h>
2768 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2769 EOF
2770     vnc_jpeg_cflags=""
2771     vnc_jpeg_libs="-ljpeg"
2772   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2773     vnc_jpeg=yes
2774     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2775     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2776   else
2777     if test "$vnc_jpeg" = "yes" ; then
2778       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2779     fi
2780     vnc_jpeg=no
2781   fi
2782 fi
2783
2784 ##########################################
2785 # VNC PNG detection
2786 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2787 cat > $TMPC <<EOF
2788 //#include <stdio.h>
2789 #include <png.h>
2790 #include <stddef.h>
2791 int main(void) {
2792     png_structp png_ptr;
2793     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2794     return png_ptr != 0;
2795 }
2796 EOF
2797   if $pkg_config libpng --exists; then
2798     vnc_png_cflags=$($pkg_config libpng --cflags)
2799     vnc_png_libs=$($pkg_config libpng --libs)
2800   else
2801     vnc_png_cflags=""
2802     vnc_png_libs="-lpng"
2803   fi
2804   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2805     vnc_png=yes
2806     libs_softmmu="$vnc_png_libs $libs_softmmu"
2807     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2808   else
2809     if test "$vnc_png" = "yes" ; then
2810       feature_not_found "vnc-png" "Install libpng devel"
2811     fi
2812     vnc_png=no
2813   fi
2814 fi
2815
2816 ##########################################
2817 # fnmatch() probe, used for ACL routines
2818 fnmatch="no"
2819 cat > $TMPC << EOF
2820 #include <fnmatch.h>
2821 int main(void)
2822 {
2823     fnmatch("foo", "foo", 0);
2824     return 0;
2825 }
2826 EOF
2827 if compile_prog "" "" ; then
2828    fnmatch="yes"
2829 fi
2830
2831 ##########################################
2832 # xfsctl() probe, used for file-posix.c
2833 if test "$xfs" != "no" ; then
2834   cat > $TMPC << EOF
2835 #include <stddef.h>  /* NULL */
2836 #include <xfs/xfs.h>
2837 int main(void)
2838 {
2839     xfsctl(NULL, 0, 0, NULL);
2840     return 0;
2841 }
2842 EOF
2843   if compile_prog "" "" ; then
2844     xfs="yes"
2845   else
2846     if test "$xfs" = "yes" ; then
2847       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2848     fi
2849     xfs=no
2850   fi
2851 fi
2852
2853 ##########################################
2854 # vde libraries probe
2855 if test "$vde" != "no" ; then
2856   vde_libs="-lvdeplug"
2857   cat > $TMPC << EOF
2858 #include <libvdeplug.h>
2859 int main(void)
2860 {
2861     struct vde_open_args a = {0, 0, 0};
2862     char s[] = "";
2863     vde_open(s, s, &a);
2864     return 0;
2865 }
2866 EOF
2867   if compile_prog "" "$vde_libs" ; then
2868     vde=yes
2869     libs_softmmu="$vde_libs $libs_softmmu"
2870     libs_tools="$vde_libs $libs_tools"
2871   else
2872     if test "$vde" = "yes" ; then
2873       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2874     fi
2875     vde=no
2876   fi
2877 fi
2878
2879 ##########################################
2880 # netmap support probe
2881 # Apart from looking for netmap headers, we make sure that the host API version
2882 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2883 # a minor/major version number. Minor new features will be marked with values up
2884 # to 15, and if something happens that requires a change to the backend we will
2885 # move above 15, submit the backend fixes and modify this two bounds.
2886 if test "$netmap" != "no" ; then
2887   cat > $TMPC << EOF
2888 #include <inttypes.h>
2889 #include <net/if.h>
2890 #include <net/netmap.h>
2891 #include <net/netmap_user.h>
2892 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2893 #error
2894 #endif
2895 int main(void) { return 0; }
2896 EOF
2897   if compile_prog "" "" ; then
2898     netmap=yes
2899   else
2900     if test "$netmap" = "yes" ; then
2901       feature_not_found "netmap"
2902     fi
2903     netmap=no
2904   fi
2905 fi
2906
2907 ##########################################
2908 # libcap-ng library probe
2909 if test "$cap_ng" != "no" ; then
2910   cap_libs="-lcap-ng"
2911   cat > $TMPC << EOF
2912 #include <cap-ng.h>
2913 int main(void)
2914 {
2915     capng_capability_to_name(CAPNG_EFFECTIVE);
2916     return 0;
2917 }
2918 EOF
2919   if compile_prog "" "$cap_libs" ; then
2920     cap_ng=yes
2921     libs_tools="$cap_libs $libs_tools"
2922   else
2923     if test "$cap_ng" = "yes" ; then
2924       feature_not_found "cap_ng" "Install libcap-ng devel"
2925     fi
2926     cap_ng=no
2927   fi
2928 fi
2929
2930 ##########################################
2931 # Sound support libraries probe
2932
2933 audio_drv_probe()
2934 {
2935     drv=$1
2936     hdr=$2
2937     lib=$3
2938     exp=$4
2939     cfl=$5
2940         cat > $TMPC << EOF
2941 #include <$hdr>
2942 int main(void) { $exp }
2943 EOF
2944     if compile_prog "$cfl" "$lib" ; then
2945         :
2946     else
2947         error_exit "$drv check failed" \
2948             "Make sure to have the $drv libs and headers installed."
2949     fi
2950 }
2951
2952 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
2953 for drv in $audio_drv_list; do
2954     case $drv in
2955     alsa)
2956     audio_drv_probe $drv alsa/asoundlib.h -lasound \
2957         "return snd_pcm_close((snd_pcm_t *)0);"
2958     libs_softmmu="-lasound $libs_softmmu"
2959     ;;
2960
2961     pa)
2962     audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
2963         "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
2964     libs_softmmu="-lpulse $libs_softmmu"
2965     audio_pt_int="yes"
2966     ;;
2967
2968     sdl)
2969     if test "$sdl" = "no"; then
2970         error_exit "sdl not found or disabled, can not use sdl audio driver"
2971     fi
2972     ;;
2973
2974     coreaudio)
2975       libs_softmmu="-framework CoreAudio $libs_softmmu"
2976     ;;
2977
2978     dsound)
2979       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2980       audio_win_int="yes"
2981     ;;
2982
2983     oss)
2984       libs_softmmu="$oss_lib $libs_softmmu"
2985     ;;
2986
2987     wav)
2988     # XXX: Probes for CoreAudio, DirectSound
2989     ;;
2990
2991     *)
2992     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2993         error_exit "Unknown driver '$drv' selected" \
2994             "Possible drivers are: $audio_possible_drivers"
2995     }
2996     ;;
2997     esac
2998 done
2999
3000 ##########################################
3001 # BrlAPI probe
3002
3003 if test "$brlapi" != "no" ; then
3004   brlapi_libs="-lbrlapi"
3005   cat > $TMPC << EOF
3006 #include <brlapi.h>
3007 #include <stddef.h>
3008 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
3009 EOF
3010   if compile_prog "" "$brlapi_libs" ; then
3011     brlapi=yes
3012     libs_softmmu="$brlapi_libs $libs_softmmu"
3013   else
3014     if test "$brlapi" = "yes" ; then
3015       feature_not_found "brlapi" "Install brlapi devel"
3016     fi
3017     brlapi=no
3018   fi
3019 fi
3020
3021 ##########################################
3022 # curses probe
3023 if test "$curses" != "no" ; then
3024   if test "$mingw32" = "yes" ; then
3025     curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
3026     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
3027   else
3028     curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
3029     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
3030   fi
3031   curses_found=no
3032   cat > $TMPC << EOF
3033 #include <locale.h>
3034 #include <curses.h>
3035 #include <wchar.h>
3036 int main(void) {
3037   const char *s = curses_version();
3038   wchar_t wch = L'w';
3039   setlocale(LC_ALL, "");
3040   resize_term(0, 0);
3041   addwstr(L"wide chars\n");
3042   addnwstr(&wch, 1);
3043   add_wch(WACS_DEGREE);
3044   return s != 0;
3045 }
3046 EOF
3047   IFS=:
3048   for curses_inc in $curses_inc_list; do
3049     IFS=:
3050     for curses_lib in $curses_lib_list; do
3051       unset IFS
3052       if compile_prog "$curses_inc" "$curses_lib" ; then
3053         curses_found=yes
3054         QEMU_CFLAGS="$curses_inc $QEMU_CFLAGS"
3055         libs_softmmu="$curses_lib $libs_softmmu"
3056         break
3057       fi
3058     done
3059     if test "$curses_found" = yes ; then
3060       break
3061     fi
3062   done
3063   unset IFS
3064   if test "$curses_found" = "yes" ; then
3065     curses=yes
3066   else
3067     if test "$curses" = "yes" ; then
3068       feature_not_found "curses" "Install ncurses devel"
3069     fi
3070     curses=no
3071   fi
3072 fi
3073
3074 ##########################################
3075 # curl probe
3076 if test "$curl" != "no" ; then
3077   if $pkg_config libcurl --exists; then
3078     curlconfig="$pkg_config libcurl"
3079   else
3080     curlconfig=curl-config
3081   fi
3082   cat > $TMPC << EOF
3083 #include <curl/curl.h>
3084 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
3085 EOF
3086   curl_cflags=$($curlconfig --cflags 2>/dev/null)
3087   curl_libs=$($curlconfig --libs 2>/dev/null)
3088   if compile_prog "$curl_cflags" "$curl_libs" ; then
3089     curl=yes
3090   else
3091     if test "$curl" = "yes" ; then
3092       feature_not_found "curl" "Install libcurl devel"
3093     fi
3094     curl=no
3095   fi
3096 fi # test "$curl"
3097
3098 ##########################################
3099 # bluez support probe
3100 if test "$bluez" != "no" ; then
3101   cat > $TMPC << EOF
3102 #include <bluetooth/bluetooth.h>
3103 int main(void) { return bt_error(0); }
3104 EOF
3105   bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
3106   bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
3107   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
3108     bluez=yes
3109     libs_softmmu="$bluez_libs $libs_softmmu"
3110   else
3111     if test "$bluez" = "yes" ; then
3112       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
3113     fi
3114     bluez="no"
3115   fi
3116 fi
3117
3118 ##########################################
3119 # glib support probe
3120
3121 if test "$mingw32" = yes; then
3122     glib_req_ver=2.30
3123 else
3124     glib_req_ver=2.22
3125 fi
3126 glib_modules=gthread-2.0
3127 if test "$modules" = yes; then
3128     glib_modules="$glib_modules gmodule-2.0"
3129 fi
3130
3131 # This workaround is required due to a bug in pkg-config file for glib as it
3132 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
3133
3134 if test "$static" = yes -a "$mingw32" = yes; then
3135     QEMU_CFLAGS="-DGLIB_STATIC_COMPILATION $QEMU_CFLAGS"
3136 fi
3137
3138 for i in $glib_modules; do
3139     if $pkg_config --atleast-version=$glib_req_ver $i; then
3140         glib_cflags=$($pkg_config --cflags $i)
3141         glib_libs=$($pkg_config --libs $i)
3142         QEMU_CFLAGS="$glib_cflags $QEMU_CFLAGS"
3143         LIBS="$glib_libs $LIBS"
3144         libs_qga="$glib_libs $libs_qga"
3145     else
3146         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
3147     fi
3148 done
3149
3150 # Sanity check that the current size_t matches the
3151 # size that glib thinks it should be. This catches
3152 # problems on multi-arch where people try to build
3153 # 32-bit QEMU while pointing at 64-bit glib headers
3154 cat > $TMPC <<EOF
3155 #include <glib.h>
3156 #include <unistd.h>
3157
3158 #define QEMU_BUILD_BUG_ON(x) \
3159   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
3160
3161 int main(void) {
3162    QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
3163    return 0;
3164 }
3165 EOF
3166
3167 if ! compile_prog "$CFLAGS" "$LIBS" ; then
3168     error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
3169                "You probably need to set PKG_CONFIG_LIBDIR"\
3170                "to point to the right pkg-config files for your"\
3171                "build target"
3172 fi
3173
3174 # g_test_trap_subprocess added in 2.38. Used by some tests.
3175 glib_subprocess=yes
3176 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3177     glib_subprocess=no
3178 fi
3179
3180 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3181 cat > $TMPC << EOF
3182 #include <glib.h>
3183 int main(void) { return 0; }
3184 EOF
3185 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3186     if cc_has_warning_flag "-Wno-unknown-attributes"; then
3187         glib_cflags="-Wno-unknown-attributes $glib_cflags"
3188         CFLAGS="-Wno-unknown-attributes $CFLAGS"
3189     fi
3190 fi
3191
3192 ##########################################
3193 # SHA command probe for modules
3194 if test "$modules" = yes; then
3195     shacmd_probe="sha1sum sha1 shasum"
3196     for c in $shacmd_probe; do
3197         if has $c; then
3198             shacmd="$c"
3199             break
3200         fi
3201     done
3202     if test "$shacmd" = ""; then
3203         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3204     fi
3205 fi
3206
3207 ##########################################
3208 # pixman support probe
3209
3210 if test "$pixman" = ""; then
3211   if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3212     pixman="none"
3213   elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3214     pixman="system"
3215   else
3216     pixman="internal"
3217   fi
3218 fi
3219 if test "$pixman" = "none"; then
3220   if test "$want_tools" != "no" -o "$softmmu" != "no"; then
3221     error_exit "pixman disabled but system emulation or tools build" \
3222         "enabled.  You can turn off pixman only if you also" \
3223         "disable all system emulation targets and the tools" \
3224         "build with '--disable-tools --disable-system'."
3225   fi
3226   pixman_cflags=
3227   pixman_libs=
3228 elif test "$pixman" = "system"; then
3229   # pixman version has been checked above
3230   pixman_cflags=$($pkg_config --cflags pixman-1)
3231   pixman_libs=$($pkg_config --libs pixman-1)
3232 else
3233   if test ! -d ${source_path}/pixman/pixman; then
3234     error_exit "pixman >= 0.21.8 not present. Your options:" \
3235         "  (1) Preferred: Install the pixman devel package (any recent" \
3236         "      distro should have packages as Xorg needs pixman too)." \
3237         "  (2) Fetch the pixman submodule, using:" \
3238         "      git submodule update --init pixman"
3239   fi
3240   mkdir -p pixman/pixman
3241   pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
3242   pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
3243 fi
3244
3245 ##########################################
3246 # libcap probe
3247
3248 if test "$cap" != "no" ; then
3249   cat > $TMPC <<EOF
3250 #include <stdio.h>
3251 #include <sys/capability.h>
3252 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3253 EOF
3254   if compile_prog "" "-lcap" ; then
3255     cap=yes
3256   else
3257     cap=no
3258   fi
3259 fi
3260
3261 ##########################################
3262 # pthread probe
3263 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3264
3265 pthread=no
3266 cat > $TMPC << EOF
3267 #include <pthread.h>
3268 static void *f(void *p) { return NULL; }
3269 int main(void) {
3270   pthread_t thread;
3271   pthread_create(&thread, 0, f, 0);
3272   return 0;
3273 }
3274 EOF
3275 if compile_prog "" "" ; then
3276   pthread=yes
3277 else
3278   for pthread_lib in $PTHREADLIBS_LIST; do
3279     if compile_prog "" "$pthread_lib" ; then
3280       pthread=yes
3281       found=no
3282       for lib_entry in $LIBS; do
3283         if test "$lib_entry" = "$pthread_lib"; then
3284           found=yes
3285           break
3286         fi
3287       done
3288       if test "$found" = "no"; then
3289         LIBS="$pthread_lib $LIBS"
3290       fi
3291       PTHREAD_LIB="$pthread_lib"
3292       break
3293     fi
3294   done
3295 fi
3296
3297 if test "$mingw32" != yes -a "$pthread" = no; then
3298   error_exit "pthread check failed" \
3299       "Make sure to have the pthread libs and headers installed."
3300 fi
3301
3302 # check for pthread_setname_np
3303 pthread_setname_np=no
3304 cat > $TMPC << EOF
3305 #include <pthread.h>
3306
3307 static void *f(void *p) { return NULL; }
3308 int main(void)
3309 {
3310     pthread_t thread;
3311     pthread_create(&thread, 0, f, 0);
3312     pthread_setname_np(thread, "QEMU");
3313     return 0;
3314 }
3315 EOF
3316 if compile_prog "" "$pthread_lib" ; then
3317   pthread_setname_np=yes
3318 fi
3319
3320 ##########################################
3321 # rbd probe
3322 if test "$rbd" != "no" ; then
3323   cat > $TMPC <<EOF
3324 #include <stdio.h>
3325 #include <rbd/librbd.h>
3326 int main(void) {
3327     rados_t cluster;
3328     rados_create(&cluster, NULL);
3329     return 0;
3330 }
3331 EOF
3332   rbd_libs="-lrbd -lrados"
3333   if compile_prog "" "$rbd_libs" ; then
3334     rbd=yes
3335   else
3336     if test "$rbd" = "yes" ; then
3337       feature_not_found "rados block device" "Install librbd/ceph devel"
3338     fi
3339     rbd=no
3340   fi
3341 fi
3342
3343 ##########################################
3344 # libssh2 probe
3345 min_libssh2_version=1.2.8
3346 if test "$libssh2" != "no" ; then
3347   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3348     libssh2_cflags=$($pkg_config libssh2 --cflags)
3349     libssh2_libs=$($pkg_config libssh2 --libs)
3350     libssh2=yes
3351   else
3352     if test "$libssh2" = "yes" ; then
3353       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3354     fi
3355     libssh2=no
3356   fi
3357 fi
3358
3359 ##########################################
3360 # libssh2_sftp_fsync probe
3361
3362 if test "$libssh2" = "yes"; then
3363   cat > $TMPC <<EOF
3364 #include <stdio.h>
3365 #include <libssh2.h>
3366 #include <libssh2_sftp.h>
3367 int main(void) {
3368     LIBSSH2_SESSION *session;
3369     LIBSSH2_SFTP *sftp;
3370     LIBSSH2_SFTP_HANDLE *sftp_handle;
3371     session = libssh2_session_init ();
3372     sftp = libssh2_sftp_init (session);
3373     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3374     libssh2_sftp_fsync (sftp_handle);
3375     return 0;
3376 }
3377 EOF
3378   # libssh2_cflags/libssh2_libs defined in previous test.
3379   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3380     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3381   fi
3382 fi
3383
3384 ##########################################
3385 # linux-aio probe
3386
3387 if test "$linux_aio" != "no" ; then
3388   cat > $TMPC <<EOF
3389 #include <libaio.h>
3390 #include <sys/eventfd.h>
3391 #include <stddef.h>
3392 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3393 EOF
3394   if compile_prog "" "-laio" ; then
3395     linux_aio=yes
3396   else
3397     if test "$linux_aio" = "yes" ; then
3398       feature_not_found "linux AIO" "Install libaio devel"
3399     fi
3400     linux_aio=no
3401   fi
3402 fi
3403
3404 ##########################################
3405 # TPM passthrough is only on x86 Linux
3406
3407 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3408   tpm_passthrough=$tpm
3409 else
3410   tpm_passthrough=no
3411 fi
3412
3413 ##########################################
3414 # attr probe
3415
3416 if test "$attr" != "no" ; then
3417   cat > $TMPC <<EOF
3418 #include <stdio.h>
3419 #include <sys/types.h>
3420 #ifdef CONFIG_LIBATTR
3421 #include <attr/xattr.h>
3422 #else
3423 #include <sys/xattr.h>
3424 #endif
3425 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3426 EOF
3427   if compile_prog "" "" ; then
3428     attr=yes
3429   # Older distros have <attr/xattr.h>, and need -lattr:
3430   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3431     attr=yes
3432     LIBS="-lattr $LIBS"
3433     libattr=yes
3434   else
3435     if test "$attr" = "yes" ; then
3436       feature_not_found "ATTR" "Install libc6 or libattr devel"
3437     fi
3438     attr=no
3439   fi
3440 fi
3441
3442 ##########################################
3443 # iovec probe
3444 cat > $TMPC <<EOF
3445 #include <sys/types.h>
3446 #include <sys/uio.h>
3447 #include <unistd.h>
3448 int main(void) { return sizeof(struct iovec); }
3449 EOF
3450 iovec=no
3451 if compile_prog "" "" ; then
3452   iovec=yes
3453 fi
3454
3455 ##########################################
3456 # preadv probe
3457 cat > $TMPC <<EOF
3458 #include <sys/types.h>
3459 #include <sys/uio.h>
3460 #include <unistd.h>
3461 int main(void) { return preadv(0, 0, 0, 0); }
3462 EOF
3463 preadv=no
3464 if compile_prog "" "" ; then
3465   preadv=yes
3466 fi
3467
3468 ##########################################
3469 # fdt probe
3470 # fdt support is mandatory for at least some target architectures,
3471 # so insist on it if we're building those system emulators.
3472 fdt_required=no
3473 for target in $target_list; do
3474   case $target in
3475     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
3476       fdt_required=yes
3477     ;;
3478   esac
3479 done
3480
3481 if test "$fdt_required" = "yes"; then
3482   if test "$fdt" = "no"; then
3483     error_exit "fdt disabled but some requested targets require it." \
3484       "You can turn off fdt only if you also disable all the system emulation" \
3485       "targets which need it (by specifying a cut down --target-list)."
3486   fi
3487   fdt=yes
3488 fi
3489
3490 if test "$fdt" != "no" ; then
3491   fdt_libs="-lfdt"
3492   # explicitly check for libfdt_env.h as it is missing in some stable installs
3493   # and test for required functions to make sure we are on a version >= 1.4.2
3494   cat > $TMPC << EOF
3495 #include <libfdt.h>
3496 #include <libfdt_env.h>
3497 int main(void) { fdt_first_subnode(0, 0); return 0; }
3498 EOF
3499   if compile_prog "" "$fdt_libs" ; then
3500     # system DTC is good - use it
3501     fdt=yes
3502   elif test -d ${source_path}/dtc/libfdt ; then
3503     # have submodule DTC - use it
3504     fdt=yes
3505     dtc_internal="yes"
3506     mkdir -p dtc
3507     if [ "$pwd_is_source_path" != "y" ] ; then
3508        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3509        symlink "$source_path/dtc/scripts" "dtc/scripts"
3510     fi
3511     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3512     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3513   elif test "$fdt" = "yes" ; then
3514     # have neither and want - prompt for system/submodule install
3515     error_exit "DTC (libfdt) version >= 1.4.2 not present. Your options:" \
3516         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3517         "  (2) Fetch the DTC submodule, using:" \
3518         "      git submodule update --init dtc"
3519   else
3520     # don't have and don't want
3521     fdt_libs=
3522     fdt=no
3523   fi
3524 fi
3525
3526 libs_softmmu="$libs_softmmu $fdt_libs"
3527
3528 ##########################################
3529 # opengl probe (for sdl2, gtk, milkymist-tmu2)
3530
3531 if test "$opengl" != "no" ; then
3532   opengl_pkgs="epoxy libdrm gbm"
3533   if $pkg_config $opengl_pkgs x11; then
3534     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3535     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3536     opengl=yes
3537     if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3538         gtk_gl="yes"
3539     fi
3540     QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
3541   else
3542     if test "$opengl" = "yes" ; then
3543       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3544     fi
3545     opengl_cflags=""
3546     opengl_libs=""
3547     opengl=no
3548   fi
3549 fi
3550
3551 if test "$opengl" = "yes"; then
3552   cat > $TMPC << EOF
3553 #include <epoxy/egl.h>
3554 #ifndef EGL_MESA_image_dma_buf_export
3555 # error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3556 #endif
3557 int main(void) { return 0; }
3558 EOF
3559   if compile_prog "" "" ; then
3560     opengl_dmabuf=yes
3561   fi
3562 fi
3563
3564
3565 ##########################################
3566 # glusterfs probe
3567 if test "$glusterfs" != "no" ; then
3568   if $pkg_config --atleast-version=3 glusterfs-api; then
3569     glusterfs="yes"
3570     glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3571     glusterfs_libs=$($pkg_config --libs glusterfs-api)
3572     if $pkg_config --atleast-version=4 glusterfs-api; then
3573       glusterfs_xlator_opt="yes"
3574     fi
3575     if $pkg_config --atleast-version=5 glusterfs-api; then
3576       glusterfs_discard="yes"
3577     fi
3578     if $pkg_config --atleast-version=6 glusterfs-api; then
3579       glusterfs_zerofill="yes"
3580     fi
3581   else
3582     if test "$glusterfs" = "yes" ; then
3583       feature_not_found "GlusterFS backend support" \
3584           "Install glusterfs-api devel >= 3"
3585     fi
3586     glusterfs="no"
3587   fi
3588 fi
3589
3590 # Check for inotify functions when we are building linux-user
3591 # emulator.  This is done because older glibc versions don't
3592 # have syscall stubs for these implemented.  In that case we
3593 # don't provide them even if kernel supports them.
3594 #
3595 inotify=no
3596 cat > $TMPC << EOF
3597 #include <sys/inotify.h>
3598
3599 int
3600 main(void)
3601 {
3602         /* try to start inotify */
3603         return inotify_init();
3604 }
3605 EOF
3606 if compile_prog "" "" ; then
3607   inotify=yes
3608 fi
3609
3610 inotify1=no
3611 cat > $TMPC << EOF
3612 #include <sys/inotify.h>
3613
3614 int
3615 main(void)
3616 {
3617     /* try to start inotify */
3618     return inotify_init1(0);
3619 }
3620 EOF
3621 if compile_prog "" "" ; then
3622   inotify1=yes
3623 fi
3624
3625 # check if utimensat and futimens are supported
3626 utimens=no
3627 cat > $TMPC << EOF
3628 #define _ATFILE_SOURCE
3629 #include <stddef.h>
3630 #include <fcntl.h>
3631 #include <sys/stat.h>
3632
3633 int main(void)
3634 {
3635     utimensat(AT_FDCWD, "foo", NULL, 0);
3636     futimens(0, NULL);
3637     return 0;
3638 }
3639 EOF
3640 if compile_prog "" "" ; then
3641   utimens=yes
3642 fi
3643
3644 # check if pipe2 is there
3645 pipe2=no
3646 cat > $TMPC << EOF
3647 #include <unistd.h>
3648 #include <fcntl.h>
3649
3650 int main(void)
3651 {
3652     int pipefd[2];
3653     return pipe2(pipefd, O_CLOEXEC);
3654 }
3655 EOF
3656 if compile_prog "" "" ; then
3657   pipe2=yes
3658 fi
3659
3660 # check if accept4 is there
3661 accept4=no
3662 cat > $TMPC << EOF
3663 #include <sys/socket.h>
3664 #include <stddef.h>
3665
3666 int main(void)
3667 {
3668     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3669     return 0;
3670 }
3671 EOF
3672 if compile_prog "" "" ; then
3673   accept4=yes
3674 fi
3675
3676 # check if tee/splice is there. vmsplice was added same time.
3677 splice=no
3678 cat > $TMPC << EOF
3679 #include <unistd.h>
3680 #include <fcntl.h>
3681 #include <limits.h>
3682
3683 int main(void)
3684 {
3685     int len, fd = 0;
3686     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3687     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3688     return 0;
3689 }
3690 EOF
3691 if compile_prog "" "" ; then
3692   splice=yes
3693 fi
3694
3695 ##########################################
3696 # libnuma probe
3697
3698 if test "$numa" != "no" ; then
3699   cat > $TMPC << EOF
3700 #include <numa.h>
3701 int main(void) { return numa_available(); }
3702 EOF
3703
3704   if compile_prog "" "-lnuma" ; then
3705     numa=yes
3706     libs_softmmu="-lnuma $libs_softmmu"
3707   else
3708     if test "$numa" = "yes" ; then
3709       feature_not_found "numa" "install numactl devel"
3710     fi
3711     numa=no
3712   fi
3713 fi
3714
3715 if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3716     echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3717     exit 1
3718 fi
3719
3720 ##########################################
3721 # tcmalloc probe
3722
3723 if test "$tcmalloc" = "yes" ; then
3724   cat > $TMPC << EOF
3725 #include <stdlib.h>
3726 int main(void) { malloc(1); return 0; }
3727 EOF
3728
3729   if compile_prog "" "-ltcmalloc" ; then
3730     LIBS="-ltcmalloc $LIBS"
3731   else
3732     feature_not_found "tcmalloc" "install gperftools devel"
3733   fi
3734 fi
3735
3736 ##########################################
3737 # jemalloc probe
3738
3739 if test "$jemalloc" = "yes" ; then
3740   cat > $TMPC << EOF
3741 #include <stdlib.h>
3742 int main(void) { malloc(1); return 0; }
3743 EOF
3744
3745   if compile_prog "" "-ljemalloc" ; then
3746     LIBS="-ljemalloc $LIBS"
3747   else
3748     feature_not_found "jemalloc" "install jemalloc devel"
3749   fi
3750 fi
3751
3752 ##########################################
3753 # signalfd probe
3754 signalfd="no"
3755 cat > $TMPC << EOF
3756 #include <unistd.h>
3757 #include <sys/syscall.h>
3758 #include <signal.h>
3759 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3760 EOF
3761
3762 if compile_prog "" "" ; then
3763   signalfd=yes
3764 fi
3765
3766 # check if eventfd is supported
3767 eventfd=no
3768 cat > $TMPC << EOF
3769 #include <sys/eventfd.h>
3770
3771 int main(void)
3772 {
3773     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3774 }
3775 EOF
3776 if compile_prog "" "" ; then
3777   eventfd=yes
3778 fi
3779
3780 # check if memfd is supported
3781 memfd=no
3782 cat > $TMPC << EOF
3783 #include <sys/memfd.h>
3784
3785 int main(void)
3786 {
3787     return memfd_create("foo", MFD_ALLOW_SEALING);
3788 }
3789 EOF
3790 if compile_prog "" "" ; then
3791   memfd=yes
3792 fi
3793
3794
3795
3796 # check for fallocate
3797 fallocate=no
3798 cat > $TMPC << EOF
3799 #include <fcntl.h>
3800
3801 int main(void)
3802 {
3803     fallocate(0, 0, 0, 0);
3804     return 0;
3805 }
3806 EOF
3807 if compile_prog "" "" ; then
3808   fallocate=yes
3809 fi
3810
3811 # check for fallocate hole punching
3812 fallocate_punch_hole=no
3813 cat > $TMPC << EOF
3814 #include <fcntl.h>
3815 #include <linux/falloc.h>
3816
3817 int main(void)
3818 {
3819     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3820     return 0;
3821 }
3822 EOF
3823 if compile_prog "" "" ; then
3824   fallocate_punch_hole=yes
3825 fi
3826
3827 # check that fallocate supports range zeroing inside the file
3828 fallocate_zero_range=no
3829 cat > $TMPC << EOF
3830 #include <fcntl.h>
3831 #include <linux/falloc.h>
3832
3833 int main(void)
3834 {
3835     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3836     return 0;
3837 }
3838 EOF
3839 if compile_prog "" "" ; then
3840   fallocate_zero_range=yes
3841 fi
3842
3843 # check for posix_fallocate
3844 posix_fallocate=no
3845 cat > $TMPC << EOF
3846 #include <fcntl.h>
3847
3848 int main(void)
3849 {
3850     posix_fallocate(0, 0, 0);
3851     return 0;
3852 }
3853 EOF
3854 if compile_prog "" "" ; then
3855     posix_fallocate=yes
3856 fi
3857
3858 # check for sync_file_range
3859 sync_file_range=no
3860 cat > $TMPC << EOF
3861 #include <fcntl.h>
3862
3863 int main(void)
3864 {
3865     sync_file_range(0, 0, 0, 0);
3866     return 0;
3867 }
3868 EOF
3869 if compile_prog "" "" ; then
3870   sync_file_range=yes
3871 fi
3872
3873 # check for linux/fiemap.h and FS_IOC_FIEMAP
3874 fiemap=no
3875 cat > $TMPC << EOF
3876 #include <sys/ioctl.h>
3877 #include <linux/fs.h>
3878 #include <linux/fiemap.h>
3879
3880 int main(void)
3881 {
3882     ioctl(0, FS_IOC_FIEMAP, 0);
3883     return 0;
3884 }
3885 EOF
3886 if compile_prog "" "" ; then
3887   fiemap=yes
3888 fi
3889
3890 # check for dup3
3891 dup3=no
3892 cat > $TMPC << EOF
3893 #include <unistd.h>
3894
3895 int main(void)
3896 {
3897     dup3(0, 0, 0);
3898     return 0;
3899 }
3900 EOF
3901 if compile_prog "" "" ; then
3902   dup3=yes
3903 fi
3904
3905 # check for ppoll support
3906 ppoll=no
3907 cat > $TMPC << EOF
3908 #include <poll.h>
3909
3910 int main(void)
3911 {
3912     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3913     ppoll(&pfd, 1, 0, 0);
3914     return 0;
3915 }
3916 EOF
3917 if compile_prog "" "" ; then
3918   ppoll=yes
3919 fi
3920
3921 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3922 prctl_pr_set_timerslack=no
3923 cat > $TMPC << EOF
3924 #include <sys/prctl.h>
3925
3926 int main(void)
3927 {
3928     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3929     return 0;
3930 }
3931 EOF
3932 if compile_prog "" "" ; then
3933   prctl_pr_set_timerslack=yes
3934 fi
3935
3936 # check for epoll support
3937 epoll=no
3938 cat > $TMPC << EOF
3939 #include <sys/epoll.h>
3940
3941 int main(void)
3942 {
3943     epoll_create(0);
3944     return 0;
3945 }
3946 EOF
3947 if compile_prog "" "" ; then
3948   epoll=yes
3949 fi
3950
3951 # epoll_create1 is a later addition
3952 # so we must check separately for its presence
3953 epoll_create1=no
3954 cat > $TMPC << EOF
3955 #include <sys/epoll.h>
3956
3957 int main(void)
3958 {
3959     /* Note that we use epoll_create1 as a value, not as
3960      * a function being called. This is necessary so that on
3961      * old SPARC glibc versions where the function was present in
3962      * the library but not declared in the header file we will
3963      * fail the configure check. (Otherwise we will get a compiler
3964      * warning but not an error, and will proceed to fail the
3965      * qemu compile where we compile with -Werror.)
3966      */
3967     return (int)(uintptr_t)&epoll_create1;
3968 }
3969 EOF
3970 if compile_prog "" "" ; then
3971   epoll_create1=yes
3972 fi
3973
3974 # check for sendfile support
3975 sendfile=no
3976 cat > $TMPC << EOF
3977 #include <sys/sendfile.h>
3978
3979 int main(void)
3980 {
3981     return sendfile(0, 0, 0, 0);
3982 }
3983 EOF
3984 if compile_prog "" "" ; then
3985   sendfile=yes
3986 fi
3987
3988 # check for timerfd support (glibc 2.8 and newer)
3989 timerfd=no
3990 cat > $TMPC << EOF
3991 #include <sys/timerfd.h>
3992
3993 int main(void)
3994 {
3995     return(timerfd_create(CLOCK_REALTIME, 0));
3996 }
3997 EOF
3998 if compile_prog "" "" ; then
3999   timerfd=yes
4000 fi
4001
4002 # check for setns and unshare support
4003 setns=no
4004 cat > $TMPC << EOF
4005 #include <sched.h>
4006
4007 int main(void)
4008 {
4009     int ret;
4010     ret = setns(0, 0);
4011     ret = unshare(0);
4012     return ret;
4013 }
4014 EOF
4015 if compile_prog "" "" ; then
4016   setns=yes
4017 fi
4018
4019 # clock_adjtime probe
4020 clock_adjtime=no
4021 cat > $TMPC <<EOF
4022 #include <time.h>
4023
4024 int main(void)
4025 {
4026     return clock_adjtime(0, 0);
4027 }
4028 EOF
4029 clock_adjtime=no
4030 if compile_prog "" "" ; then
4031   clock_adjtime=yes
4032 fi
4033
4034 # syncfs probe
4035 syncfs=no
4036 cat > $TMPC <<EOF
4037 #include <unistd.h>
4038
4039 int main(void)
4040 {
4041     return syncfs(0);
4042 }
4043 EOF
4044 syncfs=no
4045 if compile_prog "" "" ; then
4046   syncfs=yes
4047 fi
4048
4049 # Check if tools are available to build documentation.
4050 if test "$docs" != "no" ; then
4051   if has makeinfo && has pod2man; then
4052     docs=yes
4053   else
4054     if test "$docs" = "yes" ; then
4055       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
4056     fi
4057     docs=no
4058   fi
4059 fi
4060
4061 # Search for bswap_32 function
4062 byteswap_h=no
4063 cat > $TMPC << EOF
4064 #include <byteswap.h>
4065 int main(void) { return bswap_32(0); }
4066 EOF
4067 if compile_prog "" "" ; then
4068   byteswap_h=yes
4069 fi
4070
4071 # Search for bswap32 function
4072 bswap_h=no
4073 cat > $TMPC << EOF
4074 #include <sys/endian.h>
4075 #include <sys/types.h>
4076 #include <machine/bswap.h>
4077 int main(void) { return bswap32(0); }
4078 EOF
4079 if compile_prog "" "" ; then
4080   bswap_h=yes
4081 fi
4082
4083 ##########################################
4084 # Do we have libiscsi >= 1.9.0
4085 if test "$libiscsi" != "no" ; then
4086   if $pkg_config --atleast-version=1.9.0 libiscsi; then
4087     libiscsi="yes"
4088     libiscsi_cflags=$($pkg_config --cflags libiscsi)
4089     libiscsi_libs=$($pkg_config --libs libiscsi)
4090   else
4091     if test "$libiscsi" = "yes" ; then
4092       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
4093     fi
4094     libiscsi="no"
4095   fi
4096 fi
4097
4098 ##########################################
4099 # Do we need libm
4100 cat > $TMPC << EOF
4101 #include <math.h>
4102 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
4103 EOF
4104 if compile_prog "" "" ; then
4105   :
4106 elif compile_prog "" "-lm" ; then
4107   LIBS="-lm $LIBS"
4108   libs_qga="-lm $libs_qga"
4109 else
4110   error_exit "libm check failed"
4111 fi
4112
4113 ##########################################
4114 # Do we need librt
4115 # uClibc provides 2 versions of clock_gettime(), one with realtime
4116 # support and one without. This means that the clock_gettime() don't
4117 # need -lrt. We still need it for timer_create() so we check for this
4118 # function in addition.
4119 cat > $TMPC <<EOF
4120 #include <signal.h>
4121 #include <time.h>
4122 int main(void) {
4123   timer_create(CLOCK_REALTIME, NULL, NULL);
4124   return clock_gettime(CLOCK_REALTIME, NULL);
4125 }
4126 EOF
4127
4128 if compile_prog "" "" ; then
4129   :
4130 # we need pthread for static linking. use previous pthread test result
4131 elif compile_prog "" "$pthread_lib -lrt" ; then
4132   LIBS="$LIBS -lrt"
4133   libs_qga="$libs_qga -lrt"
4134 fi
4135
4136 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
4137         "$aix" != "yes" -a "$haiku" != "yes" ; then
4138     libs_softmmu="-lutil $libs_softmmu"
4139 fi
4140
4141 ##########################################
4142 # spice probe
4143 if test "$spice" != "no" ; then
4144   cat > $TMPC << EOF
4145 #include <spice.h>
4146 int main(void) { spice_server_new(); return 0; }
4147 EOF
4148   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
4149   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
4150   if $pkg_config --atleast-version=0.12.0 spice-server && \
4151      $pkg_config --atleast-version=0.12.3 spice-protocol && \
4152      compile_prog "$spice_cflags" "$spice_libs" ; then
4153     spice="yes"
4154     libs_softmmu="$libs_softmmu $spice_libs"
4155     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
4156     spice_protocol_version=$($pkg_config --modversion spice-protocol)
4157     spice_server_version=$($pkg_config --modversion spice-server)
4158   else
4159     if test "$spice" = "yes" ; then
4160       feature_not_found "spice" \
4161           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
4162     fi
4163     spice="no"
4164   fi
4165 fi
4166
4167 # check for smartcard support
4168 smartcard_cflags=""
4169 if test "$smartcard" != "no"; then
4170     if $pkg_config libcacard; then
4171         libcacard_cflags=$($pkg_config --cflags libcacard)
4172         libcacard_libs=$($pkg_config --libs libcacard)
4173         QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
4174         libs_softmmu="$libs_softmmu $libcacard_libs"
4175         smartcard="yes"
4176     else
4177         if test "$smartcard" = "yes"; then
4178             feature_not_found "smartcard" "Install libcacard devel"
4179         fi
4180         smartcard="no"
4181     fi
4182 fi
4183
4184 # check for libusb
4185 if test "$libusb" != "no" ; then
4186     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4187         libusb="yes"
4188         libusb_cflags=$($pkg_config --cflags libusb-1.0)
4189         libusb_libs=$($pkg_config --libs libusb-1.0)
4190         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
4191         libs_softmmu="$libs_softmmu $libusb_libs"
4192     else
4193         if test "$libusb" = "yes"; then
4194             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4195         fi
4196         libusb="no"
4197     fi
4198 fi
4199
4200 # check for usbredirparser for usb network redirection support
4201 if test "$usb_redir" != "no" ; then
4202     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4203         usb_redir="yes"
4204         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4205         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4206         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
4207         libs_softmmu="$libs_softmmu $usb_redir_libs"
4208     else
4209         if test "$usb_redir" = "yes"; then
4210             feature_not_found "usb-redir" "Install usbredir devel"
4211         fi
4212         usb_redir="no"
4213     fi
4214 fi
4215
4216 ##########################################
4217 # check if we have VSS SDK headers for win
4218
4219 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4220   case "$vss_win32_sdk" in
4221     "")   vss_win32_include="-isystem $source_path" ;;
4222     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4223           # handle path with spaces. So we symlink the headers into ".sdk/vss".
4224           vss_win32_include="-isystem $source_path/.sdk/vss"
4225           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4226           ;;
4227     *)    vss_win32_include="-isystem $vss_win32_sdk"
4228   esac
4229   cat > $TMPC << EOF
4230 #define __MIDL_user_allocate_free_DEFINED__
4231 #include <inc/win2003/vss.h>
4232 int main(void) { return VSS_CTX_BACKUP; }
4233 EOF
4234   if compile_prog "$vss_win32_include" "" ; then
4235     guest_agent_with_vss="yes"
4236     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4237     libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4238     qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4239   else
4240     if test "$vss_win32_sdk" != "" ; then
4241       echo "ERROR: Please download and install Microsoft VSS SDK:"
4242       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4243       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4244       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4245       echo "ERROR: The headers are extracted in the directory \`inc'."
4246       feature_not_found "VSS support"
4247     fi
4248     guest_agent_with_vss="no"
4249   fi
4250 fi
4251
4252 ##########################################
4253 # lookup Windows platform SDK (if not specified)
4254 # The SDK is needed only to build .tlb (type library) file of guest agent
4255 # VSS provider from the source. It is usually unnecessary because the
4256 # pre-compiled .tlb file is included.
4257
4258 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4259   if test -z "$win_sdk"; then
4260     programfiles="$PROGRAMFILES"
4261     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4262     if test -n "$programfiles"; then
4263       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4264     else
4265       feature_not_found "Windows SDK"
4266     fi
4267   elif test "$win_sdk" = "no"; then
4268     win_sdk=""
4269   fi
4270 fi
4271
4272 ##########################################
4273 # check if mingw environment provides a recent ntddscsi.h
4274 if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4275   cat > $TMPC << EOF
4276 #include <windows.h>
4277 #include <ntddscsi.h>
4278 int main(void) {
4279 #if !defined(IOCTL_SCSI_GET_ADDRESS)
4280 #error Missing required ioctl definitions
4281 #endif
4282   SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4283   return addr.Lun;
4284 }
4285 EOF
4286   if compile_prog "" "" ; then
4287     guest_agent_ntddscsi=yes
4288     libs_qga="-lsetupapi $libs_qga"
4289   fi
4290 fi
4291
4292 ##########################################
4293 # virgl renderer probe
4294
4295 if test "$virglrenderer" != "no" ; then
4296   cat > $TMPC << EOF
4297 #include <virglrenderer.h>
4298 int main(void) { virgl_renderer_poll(); return 0; }
4299 EOF
4300   virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4301   virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4302   if $pkg_config virglrenderer >/dev/null 2>&1 && \
4303      compile_prog "$virgl_cflags" "$virgl_libs" ; then
4304     virglrenderer="yes"
4305   else
4306     if test "$virglrenderer" = "yes" ; then
4307       feature_not_found "virglrenderer"
4308     fi
4309     virglrenderer="no"
4310   fi
4311 fi
4312
4313 ##########################################
4314 # check if we have fdatasync
4315
4316 fdatasync=no
4317 cat > $TMPC << EOF
4318 #include <unistd.h>
4319 int main(void) {
4320 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4321 return fdatasync(0);
4322 #else
4323 #error Not supported
4324 #endif
4325 }
4326 EOF
4327 if compile_prog "" "" ; then
4328     fdatasync=yes
4329 fi
4330
4331 ##########################################
4332 # check if we have madvise
4333
4334 madvise=no
4335 cat > $TMPC << EOF
4336 #include <sys/types.h>
4337 #include <sys/mman.h>
4338 #include <stddef.h>
4339 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4340 EOF
4341 if compile_prog "" "" ; then
4342     madvise=yes
4343 fi
4344
4345 ##########################################
4346 # check if we have posix_madvise
4347
4348 posix_madvise=no
4349 cat > $TMPC << EOF
4350 #include <sys/mman.h>
4351 #include <stddef.h>
4352 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4353 EOF
4354 if compile_prog "" "" ; then
4355     posix_madvise=yes
4356 fi
4357
4358 ##########################################
4359 # check if we have posix_syslog
4360
4361 posix_syslog=no
4362 cat > $TMPC << EOF
4363 #include <syslog.h>
4364 int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; }
4365 EOF
4366 if compile_prog "" "" ; then
4367     posix_syslog=yes
4368 fi
4369
4370 ##########################################
4371 # check if trace backend exists
4372
4373 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4374 if test "$?" -ne 0 ; then
4375   error_exit "invalid trace backends" \
4376       "Please choose supported trace backends."
4377 fi
4378
4379 ##########################################
4380 # For 'ust' backend, test if ust headers are present
4381 if have_backend "ust"; then
4382   cat > $TMPC << EOF
4383 #include <lttng/tracepoint.h>
4384 int main(void) { return 0; }
4385 EOF
4386   if compile_prog "" "-Wl,--no-as-needed -ldl" ; then
4387     if $pkg_config lttng-ust --exists; then
4388       lttng_ust_libs=$($pkg_config --libs lttng-ust)
4389     else
4390       lttng_ust_libs="-llttng-ust -ldl"
4391     fi
4392     if $pkg_config liburcu-bp --exists; then
4393       urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4394     else
4395       urcu_bp_libs="-lurcu-bp"
4396     fi
4397
4398     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4399     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4400   else
4401     error_exit "Trace backend 'ust' missing lttng-ust header files"
4402   fi
4403 fi
4404
4405 ##########################################
4406 # For 'dtrace' backend, test if 'dtrace' command is present
4407 if have_backend "dtrace"; then
4408   if ! has 'dtrace' ; then
4409     error_exit "dtrace command is not found in PATH $PATH"
4410   fi
4411   trace_backend_stap="no"
4412   if has 'stap' ; then
4413     trace_backend_stap="yes"
4414   fi
4415 fi
4416
4417 ##########################################
4418 # check and set a backend for coroutine
4419
4420 # We prefer ucontext, but it's not always possible. The fallback
4421 # is sigcontext. gthread is not selectable except explicitly, because
4422 # it is not functional enough to run QEMU proper. (It is occasionally
4423 # useful for debugging purposes.)  On Windows the only valid backend
4424 # is the Windows-specific one.
4425
4426 ucontext_works=no
4427 if test "$darwin" != "yes"; then
4428   cat > $TMPC << EOF
4429 #include <ucontext.h>
4430 #ifdef __stub_makecontext
4431 #error Ignoring glibc stub makecontext which will always fail
4432 #endif
4433 int main(void) { makecontext(0, 0, 0); return 0; }
4434 EOF
4435   if compile_prog "" "" ; then
4436     ucontext_works=yes
4437   fi
4438 fi
4439
4440 if test "$coroutine" = ""; then
4441   if test "$mingw32" = "yes"; then
4442     coroutine=win32
4443   elif test "$ucontext_works" = "yes"; then
4444     coroutine=ucontext
4445   else
4446     coroutine=sigaltstack
4447   fi
4448 else
4449   case $coroutine in
4450   windows)
4451     if test "$mingw32" != "yes"; then
4452       error_exit "'windows' coroutine backend only valid for Windows"
4453     fi
4454     # Unfortunately the user visible backend name doesn't match the
4455     # coroutine-*.c filename for this case, so we have to adjust it here.
4456     coroutine=win32
4457     ;;
4458   ucontext)
4459     if test "$ucontext_works" != "yes"; then
4460       feature_not_found "ucontext"
4461     fi
4462     ;;
4463   gthread|sigaltstack)
4464     if test "$mingw32" = "yes"; then
4465       error_exit "only the 'windows' coroutine backend is valid for Windows"
4466     fi
4467     ;;
4468   *)
4469     error_exit "unknown coroutine backend $coroutine"
4470     ;;
4471   esac
4472 fi
4473
4474 if test "$coroutine_pool" = ""; then
4475   if test "$coroutine" = "gthread"; then
4476     coroutine_pool=no
4477   else
4478     coroutine_pool=yes
4479   fi
4480 fi
4481 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4482   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4483 fi
4484
4485 if test "$debug_stack_usage" = "yes"; then
4486   if test "$cpu" = "ia64" -o "$cpu" = "hppa"; then
4487     error_exit "stack usage debugging is not supported for $cpu"
4488   fi
4489   if test "$coroutine_pool" = "yes"; then
4490     echo "WARN: disabling coroutine pool for stack usage debugging"
4491     coroutine_pool=no
4492   fi
4493 fi
4494
4495
4496 ##########################################
4497 # check if we have open_by_handle_at
4498
4499 open_by_handle_at=no
4500 cat > $TMPC << EOF
4501 #include <fcntl.h>
4502 #if !defined(AT_EMPTY_PATH)
4503 # error missing definition
4504 #else
4505 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4506 #endif
4507 EOF
4508 if compile_prog "" "" ; then
4509     open_by_handle_at=yes
4510 fi
4511
4512 ########################################
4513 # check if we have linux/magic.h
4514
4515 linux_magic_h=no
4516 cat > $TMPC << EOF
4517 #include <linux/magic.h>
4518 int main(void) {
4519   return 0;
4520 }
4521 EOF
4522 if compile_prog "" "" ; then
4523     linux_magic_h=yes
4524 fi
4525
4526 ########################################
4527 # check whether we can disable warning option with a pragma (this is needed
4528 # to silence warnings in the headers of some versions of external libraries).
4529 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4530 # only a warning.
4531 #
4532 # If we can't selectively disable warning in the code, disable -Werror so that
4533 # the build doesn't fail anyway.
4534
4535 pragma_disable_unused_but_set=no
4536 cat > $TMPC << EOF
4537 #pragma GCC diagnostic push
4538 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4539 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4540 #pragma GCC diagnostic pop
4541
4542 int main(void) {
4543     return 0;
4544 }
4545 EOF
4546 if compile_prog "-Werror" "" ; then
4547     pragma_diagnostic_available=yes
4548 else
4549     werror=no
4550 fi
4551
4552 ########################################
4553 # check if we have valgrind/valgrind.h
4554
4555 valgrind_h=no
4556 cat > $TMPC << EOF
4557 #include <valgrind/valgrind.h>
4558 int main(void) {
4559   return 0;
4560 }
4561 EOF
4562 if compile_prog "" "" ; then
4563     valgrind_h=yes
4564 fi
4565
4566 ########################################
4567 # check if environ is declared
4568
4569 has_environ=no
4570 cat > $TMPC << EOF
4571 #include <unistd.h>
4572 int main(void) {
4573     environ = 0;
4574     return 0;
4575 }
4576 EOF
4577 if compile_prog "" "" ; then
4578     has_environ=yes
4579 fi
4580
4581 ########################################
4582 # check if cpuid.h is usable.
4583
4584 cpuid_h=no
4585 cat > $TMPC << EOF
4586 #include <cpuid.h>
4587 int main(void) {
4588     unsigned a, b, c, d;
4589     int max = __get_cpuid_max(0, 0);
4590
4591     if (max >= 1) {
4592         __cpuid(1, a, b, c, d);
4593     }
4594
4595     if (max >= 7) {
4596         __cpuid_count(7, 0, a, b, c, d);
4597     }
4598
4599     return 0;
4600 }
4601 EOF
4602 if compile_prog "" "" ; then
4603     cpuid_h=yes
4604 fi
4605
4606 ########################################
4607 # check if __[u]int128_t is usable.
4608
4609 int128=no
4610 cat > $TMPC << EOF
4611 #if defined(__clang_major__) && defined(__clang_minor__)
4612 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4613 #  error __int128_t does not work in CLANG before 3.2
4614 # endif
4615 #endif
4616 __int128_t a;
4617 __uint128_t b;
4618 int main (void) {
4619   a = a + b;
4620   b = a * b;
4621   a = a * a;
4622   return 0;
4623 }
4624 EOF
4625 if compile_prog "" "" ; then
4626     int128=yes
4627 fi
4628
4629 #########################################
4630 # See if 128-bit atomic operations are supported.
4631
4632 atomic128=no
4633 if test "$int128" = "yes"; then
4634   cat > $TMPC << EOF
4635 int main(void)
4636 {
4637   unsigned __int128 x = 0, y = 0;
4638   y = __atomic_load_16(&x, 0);
4639   __atomic_store_16(&x, y, 0);
4640   __atomic_compare_exchange_16(&x, &y, x, 0, 0, 0);
4641   return 0;
4642 }
4643 EOF
4644   if compile_prog "" "" ; then
4645     atomic128=yes
4646   fi
4647 fi
4648
4649 #########################################
4650 # See if 64-bit atomic operations are supported.
4651 # Note that without __atomic builtins, we can only
4652 # assume atomic loads/stores max at pointer size.
4653
4654 cat > $TMPC << EOF
4655 #include <stdint.h>
4656 int main(void)
4657 {
4658   uint64_t x = 0, y = 0;
4659 #ifdef __ATOMIC_RELAXED
4660   y = __atomic_load_8(&x, 0);
4661   __atomic_store_8(&x, y, 0);
4662   __atomic_compare_exchange_8(&x, &y, x, 0, 0, 0);
4663   __atomic_exchange_8(&x, y, 0);
4664   __atomic_fetch_add_8(&x, y, 0);
4665 #else
4666   typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
4667   __sync_lock_test_and_set(&x, y);
4668   __sync_val_compare_and_swap(&x, y, 0);
4669   __sync_fetch_and_add(&x, y);
4670 #endif
4671   return 0;
4672 }
4673 EOF
4674 if compile_prog "" "" ; then
4675   atomic64=yes
4676 fi
4677
4678 ########################################
4679 # check if getauxval is available.
4680
4681 getauxval=no
4682 cat > $TMPC << EOF
4683 #include <sys/auxv.h>
4684 int main(void) {
4685   return getauxval(AT_HWCAP) == 0;
4686 }
4687 EOF
4688 if compile_prog "" "" ; then
4689     getauxval=yes
4690 fi
4691
4692 ########################################
4693 # check if ccache is interfering with
4694 # semantic analysis of macros
4695
4696 unset CCACHE_CPP2
4697 ccache_cpp2=no
4698 cat > $TMPC << EOF
4699 static const int Z = 1;
4700 #define fn() ({ Z; })
4701 #define TAUT(X) ((X) == Z)
4702 #define PAREN(X, Y) (X == Y)
4703 #define ID(X) (X)
4704 int main(int argc, char *argv[])
4705 {
4706     int x = 0, y = 0;
4707     x = ID(x);
4708     x = fn();
4709     fn();
4710     if (PAREN(x, y)) return 0;
4711     if (TAUT(Z)) return 0;
4712     return 0;
4713 }
4714 EOF
4715
4716 if ! compile_object "-Werror"; then
4717     ccache_cpp2=yes
4718 fi
4719
4720 #################################################
4721 # clang does not support glibc + FORTIFY_SOURCE.
4722
4723 if test "$fortify_source" != "no"; then
4724   if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4725     fortify_source="no";
4726   elif test -n "$cxx" &&
4727        echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4728     fortify_source="no";
4729   else
4730     fortify_source="yes"
4731   fi
4732 fi
4733
4734 ##########################################
4735 # check if struct fsxattr is available via linux/fs.h
4736
4737 have_fsxattr=no
4738 cat > $TMPC << EOF
4739 #include <linux/fs.h>
4740 struct fsxattr foo;
4741 int main(void) {
4742   return 0;
4743 }
4744 EOF
4745 if compile_prog "" "" ; then
4746     have_fsxattr=yes
4747 fi
4748
4749 ##########################################
4750 # check if rtnetlink.h exists and is useful
4751 have_rtnetlink=no
4752 cat > $TMPC << EOF
4753 #include <linux/rtnetlink.h>
4754 int main(void) {
4755   return IFLA_PROTO_DOWN;
4756 }
4757 EOF
4758 if compile_prog "" "" ; then
4759     have_rtnetlink=yes
4760 fi
4761
4762 ##########################################
4763 # check for usable AF_VSOCK environment
4764 have_af_vsock=no
4765 cat > $TMPC << EOF
4766 #include <errno.h>
4767 #include <sys/types.h>
4768 #include <sys/socket.h>
4769 #if !defined(AF_VSOCK)
4770 # error missing AF_VSOCK flag
4771 #endif
4772 #include <linux/vm_sockets.h>
4773 int main(void) {
4774     int sock, ret;
4775     struct sockaddr_vm svm;
4776     socklen_t len = sizeof(svm);
4777     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
4778     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
4779     if ((ret == -1) && (errno == ENOTCONN)) {
4780         return 0;
4781     }
4782     return -1;
4783 }
4784 EOF
4785 if compile_prog "" "" ; then
4786     have_af_vsock=yes
4787 fi
4788
4789 #################################################
4790 # Sparc implicitly links with --relax, which is
4791 # incompatible with -r, so --no-relax should be
4792 # given. It does no harm to give it on other
4793 # platforms too.
4794
4795 # Note: the prototype is needed since QEMU_CFLAGS
4796 #       contains -Wmissing-prototypes
4797 cat > $TMPC << EOF
4798 extern int foo(void);
4799 int foo(void) { return 0; }
4800 EOF
4801 if ! compile_object ""; then
4802   error_exit "Failed to compile object file for LD_REL_FLAGS test"
4803 fi
4804 for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
4805   if do_cc -nostdlib $i -o $TMPMO $TMPO; then
4806     LD_REL_FLAGS=$i
4807     break
4808   fi
4809 done
4810 if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
4811   feature_not_found "modules" "Cannot find how to build relocatable objects"
4812 fi
4813
4814 ##########################################
4815 # check for sysmacros.h
4816
4817 have_sysmacros=no
4818 cat > $TMPC << EOF
4819 #include <sys/sysmacros.h>
4820 int main(void) {
4821     return makedev(0, 0);
4822 }
4823 EOF
4824 if compile_prog "" "" ; then
4825     have_sysmacros=yes
4826 fi
4827
4828 ##########################################
4829 # Veritas HyperScale block driver VxHS
4830 # Check if libvxhs is installed
4831
4832 if test "$vxhs" != "no" ; then
4833   cat > $TMPC <<EOF
4834 #include <stdint.h>
4835 #include <qnio/qnio_api.h>
4836
4837 void *vxhs_callback;
4838
4839 int main(void) {
4840     iio_init(QNIO_VERSION, vxhs_callback);
4841     return 0;
4842 }
4843 EOF
4844   vxhs_libs="-lvxhs -lssl"
4845   if compile_prog "" "$vxhs_libs" ; then
4846     vxhs=yes
4847   else
4848     if test "$vxhs" = "yes" ; then
4849       feature_not_found "vxhs block device" "Install libvxhs See github"
4850     fi
4851     vxhs=no
4852   fi
4853 fi
4854
4855 ##########################################
4856 # End of CC checks
4857 # After here, no more $cc or $ld runs
4858
4859 if test "$gcov" = "yes" ; then
4860   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4861   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4862 elif test "$fortify_source" = "yes" ; then
4863   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4864 elif test "$debug" = "no"; then
4865   CFLAGS="-O2 $CFLAGS"
4866 fi
4867
4868 ##########################################
4869 # Do we have libnfs
4870 if test "$libnfs" != "no" ; then
4871   if $pkg_config --atleast-version=1.9.3 libnfs; then
4872     libnfs="yes"
4873     libnfs_libs=$($pkg_config --libs libnfs)
4874   else
4875     if test "$libnfs" = "yes" ; then
4876       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4877     fi
4878     libnfs="no"
4879   fi
4880 fi
4881
4882 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4883 if test "$werror" = "yes"; then
4884     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4885 fi
4886
4887 if test "$solaris" = "no" ; then
4888     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4889         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4890     fi
4891 fi
4892
4893 # test if pod2man has --utf8 option
4894 if pod2man --help | grep -q utf8; then
4895     POD2MAN="pod2man --utf8"
4896 else
4897     POD2MAN="pod2man"
4898 fi
4899
4900 # Use ASLR, no-SEH and DEP if available
4901 if test "$mingw32" = "yes" ; then
4902     for flag in --dynamicbase --no-seh --nxcompat; do
4903         if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4904             LDFLAGS="-Wl,$flag $LDFLAGS"
4905         fi
4906     done
4907 fi
4908
4909 qemu_confdir=$sysconfdir$confsuffix
4910 qemu_moddir=$libdir$confsuffix
4911 qemu_datadir=$datadir$confsuffix
4912 qemu_localedir="$datadir/locale"
4913
4914 tools=""
4915 if test "$want_tools" = "yes" ; then
4916   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4917   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4918     tools="qemu-nbd\$(EXESUF) $tools"
4919     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
4920   fi
4921 fi
4922 if test "$softmmu" = yes ; then
4923   if test "$virtfs" != no ; then
4924     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4925       virtfs=yes
4926       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4927     else
4928       if test "$virtfs" = yes; then
4929         error_exit "VirtFS is supported only on Linux and requires libcap devel and libattr devel"
4930       fi
4931       virtfs=no
4932     fi
4933   fi
4934 fi
4935
4936 # Probe for guest agent support/options
4937
4938 if [ "$guest_agent" != "no" ]; then
4939   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4940       tools="qemu-ga $tools"
4941       guest_agent=yes
4942   elif [ "$guest_agent" != yes ]; then
4943       guest_agent=no
4944   else
4945       error_exit "Guest agent is not supported on this platform"
4946   fi
4947 fi
4948
4949 # Guest agent Window MSI  package
4950
4951 if test "$guest_agent" != yes; then
4952   if test "$guest_agent_msi" = yes; then
4953     error_exit "MSI guest agent package requires guest agent enabled"
4954   fi
4955   guest_agent_msi=no
4956 elif test "$mingw32" != "yes"; then
4957   if test "$guest_agent_msi" = "yes"; then
4958     error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
4959   fi
4960   guest_agent_msi=no
4961 elif ! has wixl; then
4962   if test "$guest_agent_msi" = "yes"; then
4963     error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
4964   fi
4965   guest_agent_msi=no
4966 else
4967   # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
4968   # disabled explicitly
4969   if test "$guest_agent_msi" != "no"; then
4970     guest_agent_msi=yes
4971   fi
4972 fi
4973
4974 if test "$guest_agent_msi" = "yes"; then
4975   if test "$guest_agent_with_vss" = "yes"; then
4976     QEMU_GA_MSI_WITH_VSS="-D InstallVss"
4977   fi
4978
4979   if test "$QEMU_GA_MANUFACTURER" = ""; then
4980     QEMU_GA_MANUFACTURER=QEMU
4981   fi
4982
4983   if test "$QEMU_GA_DISTRO" = ""; then
4984     QEMU_GA_DISTRO=Linux
4985   fi
4986
4987   if test "$QEMU_GA_VERSION" = ""; then
4988       QEMU_GA_VERSION=$(cat $source_path/VERSION)
4989   fi
4990
4991   QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
4992
4993   case "$cpu" in
4994   x86_64)
4995     QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
4996     ;;
4997   i386)
4998     QEMU_GA_MSI_ARCH="-D Arch=32"
4999     ;;
5000   *)
5001     error_exit "CPU $cpu not supported for building installation package"
5002     ;;
5003   esac
5004 fi
5005
5006 # Mac OS X ships with a broken assembler
5007 roms=
5008 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
5009         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
5010         "$softmmu" = yes ; then
5011     # Different host OS linkers have different ideas about the name of the ELF
5012     # emulation. Linux and OpenBSD use 'elf_i386'; FreeBSD uses the _fbsd
5013     # variant; and Windows uses i386pe.
5014     for emu in elf_i386 elf_i386_fbsd i386pe; do
5015         if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then
5016             ld_i386_emulation="$emu"
5017             roms="optionrom"
5018             break
5019         fi
5020     done
5021 fi
5022 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
5023   roms="$roms spapr-rtas"
5024 fi
5025
5026 if test "$cpu" = "s390x" ; then
5027   roms="$roms s390-ccw"
5028 fi
5029
5030 # Probe for the need for relocating the user-only binary.
5031 if ( [ "$linux_user" = yes ] || [ "$bsd_user" = yes ] ) && [ "$pie" = no ]; then
5032   textseg_addr=
5033   case "$cpu" in
5034     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
5035       # ??? Rationale for choosing this address
5036       textseg_addr=0x60000000
5037       ;;
5038     mips)
5039       # A 256M aligned address, high in the address space, with enough
5040       # room for the code_gen_buffer above it before the stack.
5041       textseg_addr=0x60000000
5042       ;;
5043   esac
5044   if [ -n "$textseg_addr" ]; then
5045     cat > $TMPC <<EOF
5046     int main(void) { return 0; }
5047 EOF
5048     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
5049     if ! compile_prog "" "$textseg_ldflags"; then
5050       # In case ld does not support -Ttext-segment, edit the default linker
5051       # script via sed to set the .text start addr.  This is needed on FreeBSD
5052       # at least.
5053       if ! $ld --verbose >/dev/null 2>&1; then
5054         error_exit \
5055             "We need to link the QEMU user mode binaries at a" \
5056             "specific text address. Unfortunately your linker" \
5057             "doesn't support either the -Ttext-segment option or" \
5058             "printing the default linker script with --verbose." \
5059             "If you don't want the user mode binaries, pass the" \
5060             "--disable-user option to configure."
5061       fi
5062
5063       $ld --verbose | sed \
5064         -e '1,/==================================================/d' \
5065         -e '/==================================================/,$d' \
5066         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
5067         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
5068       textseg_ldflags="-Wl,-T../config-host.ld"
5069     fi
5070   fi
5071 fi
5072
5073 echo_version() {
5074     if test "$1" = "yes" ; then
5075         echo "($2)"
5076     fi
5077 }
5078
5079 # prepend pixman and ftd flags after all config tests are done
5080 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
5081 libs_softmmu="$pixman_libs $libs_softmmu"
5082
5083 echo "Install prefix    $prefix"
5084 echo "BIOS directory    $(eval echo $qemu_datadir)"
5085 echo "binary directory  $(eval echo $bindir)"
5086 echo "library directory $(eval echo $libdir)"
5087 echo "module directory  $(eval echo $qemu_moddir)"
5088 echo "libexec directory $(eval echo $libexecdir)"
5089 echo "include directory $(eval echo $includedir)"
5090 echo "config directory  $(eval echo $sysconfdir)"
5091 if test "$mingw32" = "no" ; then
5092 echo "local state directory   $(eval echo $local_statedir)"
5093 echo "Manual directory  $(eval echo $mandir)"
5094 echo "ELF interp prefix $interp_prefix"
5095 else
5096 echo "local state directory   queried at runtime"
5097 echo "Windows SDK       $win_sdk"
5098 fi
5099 echo "Source path       $source_path"
5100 echo "C compiler        $cc"
5101 echo "Host C compiler   $host_cc"
5102 echo "C++ compiler      $cxx"
5103 echo "Objective-C compiler $objcc"
5104 echo "ARFLAGS           $ARFLAGS"
5105 echo "CFLAGS            $CFLAGS"
5106 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
5107 echo "LDFLAGS           $LDFLAGS"
5108 echo "make              $make"
5109 echo "install           $install"
5110 echo "python            $python"
5111 if test "$slirp" = "yes" ; then
5112     echo "smbd              $smbd"
5113 fi
5114 echo "module support    $modules"
5115 echo "host CPU          $cpu"
5116 echo "host big endian   $bigendian"
5117 echo "target list       $target_list"
5118 echo "tcg debug enabled $debug_tcg"
5119 echo "gprof enabled     $gprof"
5120 echo "sparse enabled    $sparse"
5121 echo "strip binaries    $strip_opt"
5122 echo "profiler          $profiler"
5123 echo "static build      $static"
5124 if test "$darwin" = "yes" ; then
5125     echo "Cocoa support     $cocoa"
5126 fi
5127 echo "pixman            $pixman"
5128 echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
5129 echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
5130 echo "GTK GL support    $gtk_gl"
5131 echo "VTE support       $vte $(echo_version $vte $vteversion)"
5132 echo "TLS priority      $tls_priority"
5133 echo "GNUTLS support    $gnutls"
5134 echo "GNUTLS rnd        $gnutls_rnd"
5135 echo "libgcrypt         $gcrypt"
5136 echo "libgcrypt kdf     $gcrypt_kdf"
5137 echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
5138 echo "nettle kdf        $nettle_kdf"
5139 echo "libtasn1          $tasn1"
5140 echo "curses support    $curses"
5141 echo "virgl support     $virglrenderer"
5142 echo "curl support      $curl"
5143 echo "mingw32 support   $mingw32"
5144 echo "Audio drivers     $audio_drv_list"
5145 echo "Block whitelist (rw) $block_drv_rw_whitelist"
5146 echo "Block whitelist (ro) $block_drv_ro_whitelist"
5147 echo "VirtFS support    $virtfs"
5148 echo "VNC support       $vnc"
5149 if test "$vnc" = "yes" ; then
5150     echo "VNC SASL support  $vnc_sasl"
5151     echo "VNC JPEG support  $vnc_jpeg"
5152     echo "VNC PNG support   $vnc_png"
5153 fi
5154 if test -n "$sparc_cpu"; then
5155     echo "Target Sparc Arch $sparc_cpu"
5156 fi
5157 echo "xen support       $xen"
5158 if test "$xen" = "yes" ; then
5159   echo "xen ctrl version  $xen_ctrl_version"
5160   echo "pv dom build      $xen_pv_domain_build"
5161 fi
5162 echo "brlapi support    $brlapi"
5163 echo "bluez  support    $bluez"
5164 echo "Documentation     $docs"
5165 echo "PIE               $pie"
5166 echo "vde support       $vde"
5167 echo "netmap support    $netmap"
5168 echo "Linux AIO support $linux_aio"
5169 echo "ATTR/XATTR support $attr"
5170 echo "Install blobs     $blobs"
5171 echo "KVM support       $kvm"
5172 echo "HAX support       $hax"
5173 echo "RDMA support      $rdma"
5174 echo "TCG interpreter   $tcg_interpreter"
5175 echo "fdt support       $fdt"
5176 echo "preadv support    $preadv"
5177 echo "fdatasync         $fdatasync"
5178 echo "madvise           $madvise"
5179 echo "posix_madvise     $posix_madvise"
5180 echo "libcap-ng support $cap_ng"
5181 echo "vhost-net support $vhost_net"
5182 echo "vhost-scsi support $vhost_scsi"
5183 echo "vhost-vsock support $vhost_vsock"
5184 echo "Trace backends    $trace_backends"
5185 if have_backend "simple"; then
5186 echo "Trace output file $trace_file-<pid>"
5187 fi
5188 echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
5189 echo "rbd support       $rbd"
5190 echo "xfsctl support    $xfs"
5191 echo "smartcard support $smartcard"
5192 echo "libusb            $libusb"
5193 echo "usb net redir     $usb_redir"
5194 echo "OpenGL support    $opengl"
5195 echo "OpenGL dmabufs    $opengl_dmabuf"
5196 echo "libiscsi support  $libiscsi"
5197 echo "libnfs support    $libnfs"
5198 echo "build guest agent $guest_agent"
5199 echo "QGA VSS support   $guest_agent_with_vss"
5200 echo "QGA w32 disk info $guest_agent_ntddscsi"
5201 echo "QGA MSI support   $guest_agent_msi"
5202 echo "seccomp support   $seccomp"
5203 echo "coroutine backend $coroutine"
5204 echo "coroutine pool    $coroutine_pool"
5205 echo "debug stack usage $debug_stack_usage"
5206 echo "GlusterFS support $glusterfs"
5207 echo "gcov              $gcov_tool"
5208 echo "gcov enabled      $gcov"
5209 echo "TPM support       $tpm"
5210 echo "libssh2 support   $libssh2"
5211 echo "TPM passthrough   $tpm_passthrough"
5212 echo "QOM debugging     $qom_cast_debug"
5213 echo "lzo support       $lzo"
5214 echo "snappy support    $snappy"
5215 echo "bzip2 support     $bzip2"
5216 echo "NUMA host support $numa"
5217 echo "tcmalloc support  $tcmalloc"
5218 echo "jemalloc support  $jemalloc"
5219 echo "avx2 optimization $avx2_opt"
5220 echo "replication support $replication"
5221 echo "VxHS block device $vxhs"
5222
5223 if test "$sdl_too_old" = "yes"; then
5224 echo "-> Your SDL version is too old - please upgrade to have SDL support"
5225 fi
5226
5227 if test "$supported_cpu" = "no"; then
5228     echo
5229     echo "WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!"
5230     echo
5231     echo "CPU host architecture $cpu support is not currently maintained."
5232     echo "The QEMU project intends to remove support for this host CPU in"
5233     echo "a future release if nobody volunteers to maintain it and to"
5234     echo "provide a build host for our continuous integration setup."
5235     echo "configure has succeeded and you can continue to build, but"
5236     echo "if you care about QEMU on this platform you should contact"
5237     echo "us upstream at qemu-devel@nongnu.org."
5238 fi
5239
5240 if test "$supported_os" = "no"; then
5241     echo
5242     echo "WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!"
5243     echo
5244     echo "Host OS $targetos support is not currently maintained."
5245     echo "The QEMU project intends to remove support for this host OS in"
5246     echo "a future release if nobody volunteers to maintain it and to"
5247     echo "provide a build host for our continuous integration setup."
5248     echo "configure has succeeded and you can continue to build, but"
5249     echo "if you care about QEMU on this platform you should contact"
5250     echo "us upstream at qemu-devel@nongnu.org."
5251 fi
5252
5253 config_host_mak="config-host.mak"
5254
5255 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
5256
5257 echo "# Automatically generated by configure - do not modify" > $config_host_mak
5258 echo >> $config_host_mak
5259
5260 echo all: >> $config_host_mak
5261 echo "prefix=$prefix" >> $config_host_mak
5262 echo "bindir=$bindir" >> $config_host_mak
5263 echo "libdir=$libdir" >> $config_host_mak
5264 echo "libexecdir=$libexecdir" >> $config_host_mak
5265 echo "includedir=$includedir" >> $config_host_mak
5266 echo "mandir=$mandir" >> $config_host_mak
5267 echo "sysconfdir=$sysconfdir" >> $config_host_mak
5268 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
5269 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
5270 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
5271 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
5272 if test "$mingw32" = "no" ; then
5273   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
5274 fi
5275 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
5276 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
5277 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
5278 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
5279 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
5280
5281 echo "ARCH=$ARCH" >> $config_host_mak
5282
5283 if test "$debug_tcg" = "yes" ; then
5284   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
5285 fi
5286 if test "$strip_opt" = "yes" ; then
5287   echo "STRIP=${strip}" >> $config_host_mak
5288 fi
5289 if test "$bigendian" = "yes" ; then
5290   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
5291 fi
5292 if test "$mingw32" = "yes" ; then
5293   echo "CONFIG_WIN32=y" >> $config_host_mak
5294   rc_version=$(cat $source_path/VERSION)
5295   version_major=${rc_version%%.*}
5296   rc_version=${rc_version#*.}
5297   version_minor=${rc_version%%.*}
5298   rc_version=${rc_version#*.}
5299   version_subminor=${rc_version%%.*}
5300   version_micro=0
5301   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5302   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
5303   if test "$guest_agent_with_vss" = "yes" ; then
5304     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
5305     echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
5306     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
5307   fi
5308   if test "$guest_agent_ntddscsi" = "yes" ; then
5309     echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
5310   fi
5311   if test "$guest_agent_msi" = "yes"; then
5312     echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
5313     echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
5314     echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
5315     echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
5316     echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
5317     echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
5318     echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
5319   fi
5320 else
5321   echo "CONFIG_POSIX=y" >> $config_host_mak
5322 fi
5323
5324 if test "$linux" = "yes" ; then
5325   echo "CONFIG_LINUX=y" >> $config_host_mak
5326 fi
5327
5328 if test "$darwin" = "yes" ; then
5329   echo "CONFIG_DARWIN=y" >> $config_host_mak
5330 fi
5331
5332 if test "$aix" = "yes" ; then
5333   echo "CONFIG_AIX=y" >> $config_host_mak
5334 fi
5335
5336 if test "$solaris" = "yes" ; then
5337   echo "CONFIG_SOLARIS=y" >> $config_host_mak
5338   echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
5339   if test "$needs_libsunmath" = "yes" ; then
5340     echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
5341   fi
5342 fi
5343 if test "$haiku" = "yes" ; then
5344   echo "CONFIG_HAIKU=y" >> $config_host_mak
5345 fi
5346 if test "$static" = "yes" ; then
5347   echo "CONFIG_STATIC=y" >> $config_host_mak
5348 fi
5349 if test "$profiler" = "yes" ; then
5350   echo "CONFIG_PROFILER=y" >> $config_host_mak
5351 fi
5352 if test "$slirp" = "yes" ; then
5353   echo "CONFIG_SLIRP=y" >> $config_host_mak
5354   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
5355 fi
5356 if test "$vde" = "yes" ; then
5357   echo "CONFIG_VDE=y" >> $config_host_mak
5358 fi
5359 if test "$netmap" = "yes" ; then
5360   echo "CONFIG_NETMAP=y" >> $config_host_mak
5361 fi
5362 if test "$l2tpv3" = "yes" ; then
5363   echo "CONFIG_L2TPV3=y" >> $config_host_mak
5364 fi
5365 if test "$cap_ng" = "yes" ; then
5366   echo "CONFIG_LIBCAP=y" >> $config_host_mak
5367 fi
5368 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5369 for drv in $audio_drv_list; do
5370     def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5371     echo "$def=y" >> $config_host_mak
5372 done
5373 if test "$audio_pt_int" = "yes" ; then
5374   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5375 fi
5376 if test "$audio_win_int" = "yes" ; then
5377   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5378 fi
5379 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5380 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5381 if test "$vnc" = "yes" ; then
5382   echo "CONFIG_VNC=y" >> $config_host_mak
5383 fi
5384 if test "$vnc_sasl" = "yes" ; then
5385   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5386 fi
5387 if test "$vnc_jpeg" = "yes" ; then
5388   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5389 fi
5390 if test "$vnc_png" = "yes" ; then
5391   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5392 fi
5393 if test "$fnmatch" = "yes" ; then
5394   echo "CONFIG_FNMATCH=y" >> $config_host_mak
5395 fi
5396 if test "$xfs" = "yes" ; then
5397   echo "CONFIG_XFS=y" >> $config_host_mak
5398 fi
5399 qemu_version=$(head $source_path/VERSION)
5400 echo "VERSION=$qemu_version" >>$config_host_mak
5401 echo "PKGVERSION=$pkgversion" >>$config_host_mak
5402 echo "SRC_PATH=$source_path" >> $config_host_mak
5403 echo "TARGET_DIRS=$target_list" >> $config_host_mak
5404 if [ "$docs" = "yes" ] ; then
5405   echo "BUILD_DOCS=yes" >> $config_host_mak
5406 fi
5407 if test "$modules" = "yes"; then
5408   # $shacmd can generate a hash started with digit, which the compiler doesn't
5409   # like as an symbol. So prefix it with an underscore
5410   echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5411   echo "CONFIG_MODULES=y" >> $config_host_mak
5412 fi
5413 if test "$sdl" = "yes" ; then
5414   echo "CONFIG_SDL=y" >> $config_host_mak
5415   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5416   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5417 fi
5418 if test "$cocoa" = "yes" ; then
5419   echo "CONFIG_COCOA=y" >> $config_host_mak
5420 fi
5421 if test "$curses" = "yes" ; then
5422   echo "CONFIG_CURSES=y" >> $config_host_mak
5423 fi
5424 if test "$utimens" = "yes" ; then
5425   echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
5426 fi
5427 if test "$pipe2" = "yes" ; then
5428   echo "CONFIG_PIPE2=y" >> $config_host_mak
5429 fi
5430 if test "$accept4" = "yes" ; then
5431   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5432 fi
5433 if test "$splice" = "yes" ; then
5434   echo "CONFIG_SPLICE=y" >> $config_host_mak
5435 fi
5436 if test "$eventfd" = "yes" ; then
5437   echo "CONFIG_EVENTFD=y" >> $config_host_mak
5438 fi
5439 if test "$memfd" = "yes" ; then
5440   echo "CONFIG_MEMFD=y" >> $config_host_mak
5441 fi
5442 if test "$fallocate" = "yes" ; then
5443   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5444 fi
5445 if test "$fallocate_punch_hole" = "yes" ; then
5446   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5447 fi
5448 if test "$fallocate_zero_range" = "yes" ; then
5449   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5450 fi
5451 if test "$posix_fallocate" = "yes" ; then
5452   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5453 fi
5454 if test "$sync_file_range" = "yes" ; then
5455   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5456 fi
5457 if test "$fiemap" = "yes" ; then
5458   echo "CONFIG_FIEMAP=y" >> $config_host_mak
5459 fi
5460 if test "$dup3" = "yes" ; then
5461   echo "CONFIG_DUP3=y" >> $config_host_mak
5462 fi
5463 if test "$ppoll" = "yes" ; then
5464   echo "CONFIG_PPOLL=y" >> $config_host_mak
5465 fi
5466 if test "$prctl_pr_set_timerslack" = "yes" ; then
5467   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5468 fi
5469 if test "$epoll" = "yes" ; then
5470   echo "CONFIG_EPOLL=y" >> $config_host_mak
5471 fi
5472 if test "$epoll_create1" = "yes" ; then
5473   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5474 fi
5475 if test "$sendfile" = "yes" ; then
5476   echo "CONFIG_SENDFILE=y" >> $config_host_mak
5477 fi
5478 if test "$timerfd" = "yes" ; then
5479   echo "CONFIG_TIMERFD=y" >> $config_host_mak
5480 fi
5481 if test "$setns" = "yes" ; then
5482   echo "CONFIG_SETNS=y" >> $config_host_mak
5483 fi
5484 if test "$clock_adjtime" = "yes" ; then
5485   echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
5486 fi
5487 if test "$syncfs" = "yes" ; then
5488   echo "CONFIG_SYNCFS=y" >> $config_host_mak
5489 fi
5490 if test "$inotify" = "yes" ; then
5491   echo "CONFIG_INOTIFY=y" >> $config_host_mak
5492 fi
5493 if test "$inotify1" = "yes" ; then
5494   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5495 fi
5496 if test "$byteswap_h" = "yes" ; then
5497   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5498 fi
5499 if test "$bswap_h" = "yes" ; then
5500   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5501 fi
5502 if test "$curl" = "yes" ; then
5503   echo "CONFIG_CURL=m" >> $config_host_mak
5504   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5505   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5506 fi
5507 if test "$brlapi" = "yes" ; then
5508   echo "CONFIG_BRLAPI=y" >> $config_host_mak
5509 fi
5510 if test "$bluez" = "yes" ; then
5511   echo "CONFIG_BLUEZ=y" >> $config_host_mak
5512   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5513 fi
5514 if test "$glib_subprocess" = "yes" ; then
5515   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5516 fi
5517 if test "$gtk" = "yes" ; then
5518   echo "CONFIG_GTK=y" >> $config_host_mak
5519   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5520   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5521   echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5522   if test "$gtk_gl" = "yes" ; then
5523     echo "CONFIG_GTK_GL=y" >> $config_host_mak
5524   fi
5525 fi
5526 echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak
5527 if test "$gnutls" = "yes" ; then
5528   echo "CONFIG_GNUTLS=y" >> $config_host_mak
5529 fi
5530 if test "$gnutls_rnd" = "yes" ; then
5531   echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5532 fi
5533 if test "$gcrypt" = "yes" ; then
5534   echo "CONFIG_GCRYPT=y" >> $config_host_mak
5535   if test "$gcrypt_hmac" = "yes" ; then
5536     echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
5537   fi
5538   if test "$gcrypt_kdf" = "yes" ; then
5539     echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5540   fi
5541 fi
5542 if test "$nettle" = "yes" ; then
5543   echo "CONFIG_NETTLE=y" >> $config_host_mak
5544   echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5545   if test "$nettle_kdf" = "yes" ; then
5546     echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5547   fi
5548 fi
5549 if test "$tasn1" = "yes" ; then
5550   echo "CONFIG_TASN1=y" >> $config_host_mak
5551 fi
5552 if test "$have_ifaddrs_h" = "yes" ; then
5553     echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5554 fi
5555 if test "$have_broken_size_max" = "yes" ; then
5556     echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
5557 fi
5558
5559 # Work around a system header bug with some kernel/XFS header
5560 # versions where they both try to define 'struct fsxattr':
5561 # xfs headers will not try to redefine structs from linux headers
5562 # if this macro is set.
5563 if test "$have_fsxattr" = "yes" ; then
5564     echo "HAVE_FSXATTR=y" >> $config_host_mak
5565 fi
5566 if test "$vte" = "yes" ; then
5567   echo "CONFIG_VTE=y" >> $config_host_mak
5568   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5569 fi
5570 if test "$virglrenderer" = "yes" ; then
5571   echo "CONFIG_VIRGL=y" >> $config_host_mak
5572   echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5573   echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5574 fi
5575 if test "$xen" = "yes" ; then
5576   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5577   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5578   if test "$xen_pv_domain_build" = "yes" ; then
5579     echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5580   fi
5581 fi
5582 if test "$linux_aio" = "yes" ; then
5583   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5584 fi
5585 if test "$attr" = "yes" ; then
5586   echo "CONFIG_ATTR=y" >> $config_host_mak
5587 fi
5588 if test "$libattr" = "yes" ; then
5589   echo "CONFIG_LIBATTR=y" >> $config_host_mak
5590 fi
5591 if test "$virtfs" = "yes" ; then
5592   echo "CONFIG_VIRTFS=y" >> $config_host_mak
5593 fi
5594 if test "$vhost_scsi" = "yes" ; then
5595   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
5596 fi
5597 if test "$vhost_net" = "yes" ; then
5598   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
5599 fi
5600 if test "$vhost_vsock" = "yes" ; then
5601   echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
5602 fi
5603 if test "$blobs" = "yes" ; then
5604   echo "INSTALL_BLOBS=yes" >> $config_host_mak
5605 fi
5606 if test "$iovec" = "yes" ; then
5607   echo "CONFIG_IOVEC=y" >> $config_host_mak
5608 fi
5609 if test "$preadv" = "yes" ; then
5610   echo "CONFIG_PREADV=y" >> $config_host_mak
5611 fi
5612 if test "$fdt" = "yes" ; then
5613   echo "CONFIG_FDT=y" >> $config_host_mak
5614 fi
5615 if test "$signalfd" = "yes" ; then
5616   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
5617 fi
5618 if test "$tcg_interpreter" = "yes" ; then
5619   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
5620 fi
5621 if test "$fdatasync" = "yes" ; then
5622   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
5623 fi
5624 if test "$madvise" = "yes" ; then
5625   echo "CONFIG_MADVISE=y" >> $config_host_mak
5626 fi
5627 if test "$posix_madvise" = "yes" ; then
5628   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
5629 fi
5630
5631 if test "$spice" = "yes" ; then
5632   echo "CONFIG_SPICE=y" >> $config_host_mak
5633 fi
5634
5635 if test "$smartcard" = "yes" ; then
5636   echo "CONFIG_SMARTCARD=y" >> $config_host_mak
5637 fi
5638
5639 if test "$libusb" = "yes" ; then
5640   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
5641 fi
5642
5643 if test "$usb_redir" = "yes" ; then
5644   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
5645 fi
5646
5647 if test "$opengl" = "yes" ; then
5648   echo "CONFIG_OPENGL=y" >> $config_host_mak
5649   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
5650   if test "$opengl_dmabuf" = "yes" ; then
5651     echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
5652   fi
5653 fi
5654
5655 if test "$avx2_opt" = "yes" ; then
5656   echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
5657 fi
5658
5659 if test "$lzo" = "yes" ; then
5660   echo "CONFIG_LZO=y" >> $config_host_mak
5661 fi
5662
5663 if test "$snappy" = "yes" ; then
5664   echo "CONFIG_SNAPPY=y" >> $config_host_mak
5665 fi
5666
5667 if test "$bzip2" = "yes" ; then
5668   echo "CONFIG_BZIP2=y" >> $config_host_mak
5669   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
5670 fi
5671
5672 if test "$libiscsi" = "yes" ; then
5673   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
5674   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
5675   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
5676 fi
5677
5678 if test "$libnfs" = "yes" ; then
5679   echo "CONFIG_LIBNFS=m" >> $config_host_mak
5680   echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
5681 fi
5682
5683 if test "$seccomp" = "yes"; then
5684   echo "CONFIG_SECCOMP=y" >> $config_host_mak
5685 fi
5686
5687 # XXX: suppress that
5688 if [ "$bsd" = "yes" ] ; then
5689   echo "CONFIG_BSD=y" >> $config_host_mak
5690 fi
5691
5692 if test "$localtime_r" = "yes" ; then
5693   echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
5694 fi
5695 if test "$qom_cast_debug" = "yes" ; then
5696   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
5697 fi
5698 if test "$rbd" = "yes" ; then
5699   echo "CONFIG_RBD=m" >> $config_host_mak
5700   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
5701   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
5702 fi
5703
5704 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
5705 if test "$coroutine_pool" = "yes" ; then
5706   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
5707 else
5708   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
5709 fi
5710
5711 if test "$debug_stack_usage" = "yes" ; then
5712   echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak
5713 fi
5714
5715 if test "$open_by_handle_at" = "yes" ; then
5716   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
5717 fi
5718
5719 if test "$linux_magic_h" = "yes" ; then
5720   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
5721 fi
5722
5723 if test "$pragma_diagnostic_available" = "yes" ; then
5724   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
5725 fi
5726
5727 if test "$valgrind_h" = "yes" ; then
5728   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
5729 fi
5730
5731 if test "$has_environ" = "yes" ; then
5732   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
5733 fi
5734
5735 if test "$cpuid_h" = "yes" ; then
5736   echo "CONFIG_CPUID_H=y" >> $config_host_mak
5737 fi
5738
5739 if test "$int128" = "yes" ; then
5740   echo "CONFIG_INT128=y" >> $config_host_mak
5741 fi
5742
5743 if test "$atomic128" = "yes" ; then
5744   echo "CONFIG_ATOMIC128=y" >> $config_host_mak
5745 fi
5746
5747 if test "$atomic64" = "yes" ; then
5748   echo "CONFIG_ATOMIC64=y" >> $config_host_mak
5749 fi
5750
5751 if test "$getauxval" = "yes" ; then
5752   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
5753 fi
5754
5755 if test "$glusterfs" = "yes" ; then
5756   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
5757   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
5758   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
5759 fi
5760
5761 if test "$glusterfs_xlator_opt" = "yes" ; then
5762   echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
5763 fi
5764
5765 if test "$glusterfs_discard" = "yes" ; then
5766   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
5767 fi
5768
5769 if test "$glusterfs_zerofill" = "yes" ; then
5770   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
5771 fi
5772
5773 if test "$libssh2" = "yes" ; then
5774   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
5775   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
5776   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
5777 fi
5778
5779 # USB host support
5780 if test "$libusb" = "yes"; then
5781   echo "HOST_USB=libusb legacy" >> $config_host_mak
5782 else
5783   echo "HOST_USB=stub" >> $config_host_mak
5784 fi
5785
5786 # TPM passthrough support?
5787 if test "$tpm" = "yes"; then
5788   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
5789   if test "$tpm_passthrough" = "yes"; then
5790     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
5791   fi
5792 fi
5793
5794 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5795 if have_backend "nop"; then
5796   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5797 fi
5798 if have_backend "simple"; then
5799   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5800   # Set the appropriate trace file.
5801   trace_file="\"$trace_file-\" FMT_pid"
5802 fi
5803 if have_backend "log"; then
5804   echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
5805 fi
5806 if have_backend "ust"; then
5807   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5808 fi
5809 if have_backend "dtrace"; then
5810   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5811   if test "$trace_backend_stap" = "yes" ; then
5812     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5813   fi
5814 fi
5815 if have_backend "ftrace"; then
5816   if test "$linux" = "yes" ; then
5817     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5818   else
5819     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5820   fi
5821 fi
5822 if have_backend "syslog"; then
5823   if test "$posix_syslog" = "yes" ; then
5824     echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak
5825   else
5826     feature_not_found "syslog(trace backend)" "syslog not available"
5827   fi
5828 fi
5829 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5830
5831 if test "$rdma" = "yes" ; then
5832   echo "CONFIG_RDMA=y" >> $config_host_mak
5833 fi
5834
5835 if test "$have_rtnetlink" = "yes" ; then
5836   echo "CONFIG_RTNETLINK=y" >> $config_host_mak
5837 fi
5838
5839 if test "$replication" = "yes" ; then
5840   echo "CONFIG_REPLICATION=y" >> $config_host_mak
5841 fi
5842
5843 if test "$have_af_vsock" = "yes" ; then
5844   echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
5845 fi
5846
5847 if test "$have_sysmacros" = "yes" ; then
5848   echo "CONFIG_SYSMACROS=y" >> $config_host_mak
5849 fi
5850
5851 # Hold two types of flag:
5852 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5853 #                                     a thread we have a handle to
5854 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5855 #                                     platform
5856 if test "$pthread_setname_np" = "yes" ; then
5857   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5858   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5859 fi
5860
5861 if test "$vxhs" = "yes" ; then
5862   echo "CONFIG_VXHS=y" >> $config_host_mak
5863   echo "VXHS_LIBS=$vxhs_libs" >> $config_host_mak
5864 fi
5865
5866 if test "$tcg_interpreter" = "yes"; then
5867   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5868 elif test "$ARCH" = "sparc64" ; then
5869   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5870 elif test "$ARCH" = "s390x" ; then
5871   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5872 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5873   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5874 elif test "$ARCH" = "ppc64" ; then
5875   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5876 else
5877   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5878 fi
5879 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5880
5881 echo "TOOLS=$tools" >> $config_host_mak
5882 echo "ROMS=$roms" >> $config_host_mak
5883 echo "MAKE=$make" >> $config_host_mak
5884 echo "INSTALL=$install" >> $config_host_mak
5885 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5886 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5887 echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5888 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5889 echo "PYTHON=$python" >> $config_host_mak
5890 echo "CC=$cc" >> $config_host_mak
5891 if $iasl -h > /dev/null 2>&1; then
5892   echo "IASL=$iasl" >> $config_host_mak
5893 fi
5894 echo "CC_I386=$cc_i386" >> $config_host_mak
5895 echo "HOST_CC=$host_cc" >> $config_host_mak
5896 echo "CXX=$cxx" >> $config_host_mak
5897 echo "OBJCC=$objcc" >> $config_host_mak
5898 echo "AR=$ar" >> $config_host_mak
5899 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5900 echo "AS=$as" >> $config_host_mak
5901 echo "CCAS=$ccas" >> $config_host_mak
5902 echo "CPP=$cpp" >> $config_host_mak
5903 echo "OBJCOPY=$objcopy" >> $config_host_mak
5904 echo "LD=$ld" >> $config_host_mak
5905 echo "NM=$nm" >> $config_host_mak
5906 echo "WINDRES=$windres" >> $config_host_mak
5907 echo "CFLAGS=$CFLAGS" >> $config_host_mak
5908 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5909 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5910 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5911 if test "$sparse" = "yes" ; then
5912   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5913   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5914   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5915   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5916   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5917 fi
5918 if test "$cross_prefix" != ""; then
5919   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5920 else
5921   echo "AUTOCONF_HOST := "                             >> $config_host_mak
5922 fi
5923 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5924 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5925 echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
5926 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
5927 echo "LIBS+=$LIBS" >> $config_host_mak
5928 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5929 echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
5930 echo "EXESUF=$EXESUF" >> $config_host_mak
5931 echo "DSOSUF=$DSOSUF" >> $config_host_mak
5932 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5933 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5934 echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
5935 echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
5936 echo "POD2MAN=$POD2MAN" >> $config_host_mak
5937 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5938 if test "$gcov" = "yes" ; then
5939   echo "CONFIG_GCOV=y" >> $config_host_mak
5940   echo "GCOV=$gcov_tool" >> $config_host_mak
5941 fi
5942
5943 # use included Linux headers
5944 if test "$linux" = "yes" ; then
5945   mkdir -p linux-headers
5946   case "$cpu" in
5947   i386|x86_64|x32)
5948     linux_arch=x86
5949     ;;
5950   ppcemb|ppc|ppc64)
5951     linux_arch=powerpc
5952     ;;
5953   s390x)
5954     linux_arch=s390
5955     ;;
5956   aarch64)
5957     linux_arch=arm64
5958     ;;
5959   mips64)
5960     linux_arch=mips
5961     ;;
5962   *)
5963     # For most CPUs the kernel architecture name and QEMU CPU name match.
5964     linux_arch="$cpu"
5965     ;;
5966   esac
5967     # For non-KVM architectures we will not have asm headers
5968     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5969       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5970     fi
5971 fi
5972
5973 for target in $target_list; do
5974 target_dir="$target"
5975 config_target_mak=$target_dir/config-target.mak
5976 target_name=$(echo $target | cut -d '-' -f 1)
5977 target_bigendian="no"
5978
5979 case "$target_name" in
5980   armeb|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5981   target_bigendian=yes
5982   ;;
5983 esac
5984 target_softmmu="no"
5985 target_user_only="no"
5986 target_linux_user="no"
5987 target_bsd_user="no"
5988 case "$target" in
5989   ${target_name}-softmmu)
5990     target_softmmu="yes"
5991     ;;
5992   ${target_name}-linux-user)
5993     if test "$linux" != "yes" ; then
5994       error_exit "Target '$target' is only available on a Linux host"
5995     fi
5996     target_user_only="yes"
5997     target_linux_user="yes"
5998     ;;
5999   ${target_name}-bsd-user)
6000     if test "$bsd" != "yes" ; then
6001       error_exit "Target '$target' is only available on a BSD host"
6002     fi
6003     target_user_only="yes"
6004     target_bsd_user="yes"
6005     ;;
6006   *)
6007     error_exit "Target '$target' not recognised"
6008     exit 1
6009     ;;
6010 esac
6011
6012 mkdir -p $target_dir
6013 echo "# Automatically generated by configure - do not modify" > $config_target_mak
6014
6015 bflt="no"
6016 mttcg="no"
6017 interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
6018 gdb_xml_files=""
6019
6020 TARGET_ARCH="$target_name"
6021 TARGET_BASE_ARCH=""
6022 TARGET_ABI_DIR=""
6023
6024 case "$target_name" in
6025   i386)
6026     gdb_xml_files="i386-32bit-core.xml"
6027   ;;
6028   x86_64)
6029     TARGET_BASE_ARCH=i386
6030     gdb_xml_files="i386-64bit-core.xml"
6031   ;;
6032   alpha)
6033     mttcg="yes"
6034   ;;
6035   arm|armeb)
6036     TARGET_ARCH=arm
6037     bflt="yes"
6038     mttcg="yes"
6039     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6040   ;;
6041   aarch64)
6042     TARGET_BASE_ARCH=arm
6043     bflt="yes"
6044     mttcg="yes"
6045     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
6046   ;;
6047   cris)
6048   ;;
6049   hppa)
6050   ;;
6051   lm32)
6052   ;;
6053   m68k)
6054     bflt="yes"
6055     gdb_xml_files="cf-core.xml cf-fp.xml"
6056   ;;
6057   microblaze|microblazeel)
6058     TARGET_ARCH=microblaze
6059     bflt="yes"
6060   ;;
6061   mips|mipsel)
6062     TARGET_ARCH=mips
6063     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
6064   ;;
6065   mipsn32|mipsn32el)
6066     TARGET_ARCH=mips64
6067     TARGET_BASE_ARCH=mips
6068     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
6069     echo "TARGET_ABI32=y" >> $config_target_mak
6070   ;;
6071   mips64|mips64el)
6072     TARGET_ARCH=mips64
6073     TARGET_BASE_ARCH=mips
6074     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
6075   ;;
6076   moxie)
6077   ;;
6078   nios2)
6079   ;;
6080   or1k)
6081     TARGET_ARCH=openrisc
6082     TARGET_BASE_ARCH=openrisc
6083   ;;
6084   ppc)
6085     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6086   ;;
6087   ppcemb)
6088     TARGET_BASE_ARCH=ppc
6089     TARGET_ABI_DIR=ppc
6090     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
6091   ;;
6092   ppc64)
6093     TARGET_BASE_ARCH=ppc
6094     TARGET_ABI_DIR=ppc
6095     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6096   ;;
6097   ppc64le)
6098     TARGET_ARCH=ppc64
6099     TARGET_BASE_ARCH=ppc
6100     TARGET_ABI_DIR=ppc
6101     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6102   ;;
6103   ppc64abi32)
6104     TARGET_ARCH=ppc64
6105     TARGET_BASE_ARCH=ppc
6106     TARGET_ABI_DIR=ppc
6107     echo "TARGET_ABI32=y" >> $config_target_mak
6108     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
6109   ;;
6110   sh4|sh4eb)
6111     TARGET_ARCH=sh4
6112     bflt="yes"
6113   ;;
6114   sparc)
6115   ;;
6116   sparc64)
6117     TARGET_BASE_ARCH=sparc
6118   ;;
6119   sparc32plus)
6120     TARGET_ARCH=sparc64
6121     TARGET_BASE_ARCH=sparc
6122     TARGET_ABI_DIR=sparc
6123     echo "TARGET_ABI32=y" >> $config_target_mak
6124   ;;
6125   s390x)
6126     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
6127   ;;
6128   tilegx)
6129   ;;
6130   tricore)
6131   ;;
6132   unicore32)
6133   ;;
6134   xtensa|xtensaeb)
6135     TARGET_ARCH=xtensa
6136   ;;
6137   *)
6138     error_exit "Unsupported target CPU"
6139   ;;
6140 esac
6141 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
6142 if [ "$TARGET_BASE_ARCH" = "" ]; then
6143   TARGET_BASE_ARCH=$TARGET_ARCH
6144 fi
6145
6146 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
6147
6148 upper() {
6149     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
6150 }
6151
6152 target_arch_name="$(upper $TARGET_ARCH)"
6153 echo "TARGET_$target_arch_name=y" >> $config_target_mak
6154 echo "TARGET_NAME=$target_name" >> $config_target_mak
6155 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
6156 if [ "$TARGET_ABI_DIR" = "" ]; then
6157   TARGET_ABI_DIR=$TARGET_ARCH
6158 fi
6159 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
6160 if [ "$HOST_VARIANT_DIR" != "" ]; then
6161     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
6162 fi
6163 case "$target_name" in
6164   i386|x86_64)
6165     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
6166       echo "CONFIG_XEN=y" >> $config_target_mak
6167       if test "$xen_pci_passthrough" = yes; then
6168         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
6169       fi
6170     fi
6171     ;;
6172   *)
6173 esac
6174 case "$target_name" in
6175   aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
6176     # Make sure the target and host cpus are compatible
6177     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
6178       \( "$target_name" = "$cpu" -o \
6179       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
6180       \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
6181       \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
6182       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
6183       \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
6184       \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
6185       \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
6186       \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
6187       \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
6188       echo "CONFIG_KVM=y" >> $config_target_mak
6189       if test "$vhost_net" = "yes" ; then
6190         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
6191         echo "CONFIG_VHOST_NET_TEST_$target_name=y" >> $config_host_mak
6192       fi
6193     fi
6194 esac
6195 if test "$hax" = "yes" ; then
6196   if test "$target_softmmu" = "yes" ; then
6197     case "$target_name" in
6198     i386|x86_64)
6199       echo "CONFIG_HAX=y" >> $config_target_mak
6200     ;;
6201     esac
6202   fi
6203 fi
6204 if test "$target_bigendian" = "yes" ; then
6205   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
6206 fi
6207 if test "$target_softmmu" = "yes" ; then
6208   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
6209   if test "$mttcg" = "yes" ; then
6210     echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
6211   fi
6212 fi
6213 if test "$target_user_only" = "yes" ; then
6214   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
6215   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
6216 fi
6217 if test "$target_linux_user" = "yes" ; then
6218   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
6219 fi
6220 list=""
6221 if test ! -z "$gdb_xml_files" ; then
6222   for x in $gdb_xml_files; do
6223     list="$list $source_path/gdb-xml/$x"
6224   done
6225   echo "TARGET_XML_FILES=$list" >> $config_target_mak
6226 fi
6227
6228 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
6229   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
6230 fi
6231 if test "$target_bsd_user" = "yes" ; then
6232   echo "CONFIG_BSD_USER=y" >> $config_target_mak
6233 fi
6234
6235 # generate QEMU_CFLAGS/LDFLAGS for targets
6236
6237 cflags=""
6238 ldflags=""
6239
6240 disas_config() {
6241   echo "CONFIG_${1}_DIS=y" >> $config_target_mak
6242   echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
6243 }
6244
6245 for i in $ARCH $TARGET_BASE_ARCH ; do
6246   case "$i" in
6247   alpha)
6248     disas_config "ALPHA"
6249   ;;
6250   aarch64)
6251     if test -n "${cxx}"; then
6252       disas_config "ARM_A64"
6253     fi
6254   ;;
6255   arm)
6256     disas_config "ARM"
6257     if test -n "${cxx}"; then
6258       disas_config "ARM_A64"
6259     fi
6260   ;;
6261   cris)
6262     disas_config "CRIS"
6263   ;;
6264   hppa)
6265     disas_config "HPPA"
6266   ;;
6267   i386|x86_64|x32)
6268     disas_config "I386"
6269   ;;
6270   ia64*)
6271     disas_config "IA64"
6272   ;;
6273   lm32)
6274     disas_config "LM32"
6275   ;;
6276   m68k)
6277     disas_config "M68K"
6278   ;;
6279   microblaze*)
6280     disas_config "MICROBLAZE"
6281   ;;
6282   mips*)
6283     disas_config "MIPS"
6284   ;;
6285   moxie*)
6286     disas_config "MOXIE"
6287   ;;
6288   nios2)
6289     disas_config "NIOS2"
6290   ;;
6291   or1k)
6292     disas_config "OPENRISC"
6293   ;;
6294   ppc*)
6295     disas_config "PPC"
6296   ;;
6297   s390*)
6298     disas_config "S390"
6299   ;;
6300   sh4)
6301     disas_config "SH4"
6302   ;;
6303   sparc*)
6304     disas_config "SPARC"
6305   ;;
6306   xtensa*)
6307     disas_config "XTENSA"
6308   ;;
6309   esac
6310 done
6311 if test "$tcg_interpreter" = "yes" ; then
6312   disas_config "TCI"
6313 fi
6314
6315 case "$ARCH" in
6316 alpha)
6317   # Ensure there's only a single GP
6318   cflags="-msmall-data $cflags"
6319 ;;
6320 esac
6321
6322 if test "$gprof" = "yes" ; then
6323   echo "TARGET_GPROF=yes" >> $config_target_mak
6324   if test "$target_linux_user" = "yes" ; then
6325     cflags="-p $cflags"
6326     ldflags="-p $ldflags"
6327   fi
6328   if test "$target_softmmu" = "yes" ; then
6329     ldflags="-p $ldflags"
6330     echo "GPROF_CFLAGS=-p" >> $config_target_mak
6331   fi
6332 fi
6333
6334 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
6335   ldflags="$ldflags $textseg_ldflags"
6336 fi
6337
6338 echo "LDFLAGS+=$ldflags" >> $config_target_mak
6339 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
6340
6341 done # for target in $targets
6342
6343 if [ "$pixman" = "internal" ]; then
6344   echo "config-host.h: subdir-pixman" >> $config_host_mak
6345 fi
6346
6347 if [ "$dtc_internal" = "yes" ]; then
6348   echo "config-host.h: subdir-dtc" >> $config_host_mak
6349 fi
6350
6351 if test "$numa" = "yes"; then
6352   echo "CONFIG_NUMA=y" >> $config_host_mak
6353 fi
6354
6355 if test "$ccache_cpp2" = "yes"; then
6356   echo "export CCACHE_CPP2=y" >> $config_host_mak
6357 fi
6358
6359 # build tree in object directory in case the source is not in the current directory
6360 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
6361 DIRS="$DIRS docs fsdev"
6362 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
6363 DIRS="$DIRS roms/seabios roms/vgabios"
6364 DIRS="$DIRS qapi-generated"
6365 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
6366 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
6367 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
6368 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
6369 FILES="$FILES pc-bios/spapr-rtas/Makefile"
6370 FILES="$FILES pc-bios/s390-ccw/Makefile"
6371 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
6372 FILES="$FILES pc-bios/qemu-icon.bmp"
6373 for bios_file in \
6374     $source_path/pc-bios/*.bin \
6375     $source_path/pc-bios/*.lid \
6376     $source_path/pc-bios/*.aml \
6377     $source_path/pc-bios/*.rom \
6378     $source_path/pc-bios/*.dtb \
6379     $source_path/pc-bios/*.img \
6380     $source_path/pc-bios/openbios-* \
6381     $source_path/pc-bios/u-boot.* \
6382     $source_path/pc-bios/palcode-*
6383 do
6384     FILES="$FILES pc-bios/$(basename $bios_file)"
6385 done
6386 for test_file in $(find $source_path/tests/acpi-test-data -type f)
6387 do
6388     FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
6389 done
6390 mkdir -p $DIRS
6391 for f in $FILES ; do
6392     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
6393         symlink "$source_path/$f" "$f"
6394     fi
6395 done
6396
6397 # temporary config to build submodules
6398 for rom in seabios vgabios ; do
6399     config_mak=roms/$rom/config.mak
6400     echo "# Automatically generated by configure - do not modify" > $config_mak
6401     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
6402     echo "AS=$as" >> $config_mak
6403     echo "CCAS=$ccas" >> $config_mak
6404     echo "CC=$cc" >> $config_mak
6405     echo "BCC=bcc" >> $config_mak
6406     echo "CPP=$cpp" >> $config_mak
6407     echo "OBJCOPY=objcopy" >> $config_mak
6408     echo "IASL=$iasl" >> $config_mak
6409     echo "LD=$ld" >> $config_mak
6410 done
6411
6412 # set up tests data directory
6413 if [ ! -e tests/data ]; then
6414     symlink "$source_path/tests/data" tests/data
6415 fi
6416
6417 # set up qemu-iotests in this build directory
6418 iotests_common_env="tests/qemu-iotests/common.env"
6419 iotests_check="tests/qemu-iotests/check"
6420
6421 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
6422 echo >> "$iotests_common_env"
6423 echo "export PYTHON='$python'" >> "$iotests_common_env"
6424
6425 if [ ! -e "$iotests_check" ]; then
6426     symlink "$source_path/$iotests_check" "$iotests_check"
6427 fi
6428
6429 # Save the configure command line for later reuse.
6430 cat <<EOD >config.status
6431 #!/bin/sh
6432 # Generated by configure.
6433 # Run this file to recreate the current configuration.
6434 # Compiler output produced by configure, useful for debugging
6435 # configure, is in config.log if it exists.
6436 EOD
6437 printf "exec" >>config.status
6438 printf " '%s'" "$0" "$@" >>config.status
6439 echo ' "$@"' >>config.status
6440 chmod +x config.status
6441
6442 rm -r "$TMPDIR1"