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 # Temporary directory used for files created while
  12 # configure runs. Since it is in the build directory
  13 # we can safely blow away any previous version of it
  14 # (and we need not jump through hoops to try to delete
  15 # it when configure exits.)
  16 TMPDIR1="config-temp"
  17 rm -rf "${TMPDIR1}"
  18 mkdir -p "${TMPDIR1}"
  19 if [ $? -ne 0 ]; then
  20     echo "ERROR: failed to create temporary directory"
  21     exit 1
  22 fi
  23
  24 TMPB="qemu-conf"
  25 TMPC="${TMPDIR1}/${TMPB}.c"
  26 TMPO="${TMPDIR1}/${TMPB}.o"
  27 TMPCXX="${TMPDIR1}/${TMPB}.cxx"
  28 TMPL="${TMPDIR1}/${TMPB}.lo"
  29 TMPA="${TMPDIR1}/lib${TMPB}.la"
  30 TMPE="${TMPDIR1}/${TMPB}.exe"
  31
  32 rm -f config.log
  33
  34 # Print a helpful header at the top of config.log
  35 echo "# QEMU configure log $(date)" >> config.log
  36 printf "# Configured with:" >> config.log
  37 printf " '%s'" "$0" "$@" >> config.log
  38 echo >> config.log
  39 echo "#" >> config.log
  40
  41 error_exit() {
  42     echo
  43     echo "ERROR: $1"
  44     while test -n "$2"; do
  45         echo "       $2"
  46         shift
  47     done
  48     echo
  49     exit 1
  50 }
  51
  52 do_compiler() {
  53     # Run the compiler, capturing its output to the log. First argument
  54     # is compiler binary to execute.
  55     local compiler="$1"
  56     shift
  57     echo $compiler "$@" >> config.log
  58     $compiler "$@" >> config.log 2>&1 || return $?
  59     # Test passed. If this is an --enable-werror build, rerun
  60     # the test with -Werror and bail out if it fails. This
  61     # makes warning-generating-errors in configure test code
  62     # obvious to developers.
  63     if test "$werror" != "yes"; then
  64         return 0
  65     fi
  66     # Don't bother rerunning the compile if we were already using -Werror
  67     case "$*" in
  68         *-Werror*)
  69            return 0
  70         ;;
  71     esac
  72     echo $compiler -Werror "$@" >> config.log
  73     $compiler -Werror "$@" >> config.log 2>&1 && return $?
  74     error_exit "configure test passed without -Werror but failed with -Werror." \
  75         "This is probably a bug in the configure script. The failing command" \
  76         "will be at the bottom of config.log." \
  77         "You can run configure with --disable-werror to bypass this check."
  78 }
  79
  80 do_cc() {
  81     do_compiler "$cc" "$@"
  82 }
  83
  84 do_cxx() {
  85     do_compiler "$cxx" "$@"
  86 }
  87
  88 update_cxxflags() {
  89     # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
  90     # options which some versions of GCC's C++ compiler complain about
  91     # because they only make sense for C programs.
  92     QEMU_CXXFLAGS=
  93     for arg in $QEMU_CFLAGS; do
  94         case $arg in
  95             -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
  96             -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
  97                 ;;
  98             *)
  99                 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
 100                 ;;
 101         esac
 102     done
 103 }
 104
 105 compile_object() {
 106   local_cflags="$1"
 107   do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
 108 }
 109
 110 compile_prog() {
 111   local_cflags="$1"
 112   local_ldflags="$2"
 113   do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 114 }
 115
 116 do_libtool() {
 117     local mode=$1
 118     shift
 119     # Run the compiler, capturing its output to the log.
 120     echo $libtool $mode --tag=CC $cc "$@" >> config.log
 121     $libtool $mode --tag=CC $cc "$@" >> config.log 2>&1 || return $?
 122     # Test passed. If this is an --enable-werror build, rerun
 123     # the test with -Werror and bail out if it fails. This
 124     # makes warning-generating-errors in configure test code
 125     # obvious to developers.
 126     if test "$werror" != "yes"; then
 127         return 0
 128     fi
 129     # Don't bother rerunning the compile if we were already using -Werror
 130     case "$*" in
 131         *-Werror*)
 132            return 0
 133         ;;
 134     esac
 135     echo $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
 136     $libtool $mode --tag=CC $cc -Werror "$@" >> config.log 2>&1 && return $?
 137     error_exit "configure test passed without -Werror but failed with -Werror." \
 138         "This is probably a bug in the configure script. The failing command" \
 139         "will be at the bottom of config.log." \
 140         "You can run configure with --disable-werror to bypass this check."
 141 }
 142
 143 libtool_prog() {
 144     do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
 145     do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
 146 }
 147
 148 # symbolically link $1 to $2.  Portable version of "ln -sf".
 149 symlink() {
 150   rm -rf "$2"
 151   mkdir -p "$(dirname "$2")"
 152   ln -s "$1" "$2"
 153 }
 154
 155 # check whether a command is available to this shell (may be either an
 156 # executable or a builtin)
 157 has() {
 158     type "$1" >/dev/null 2>&1
 159 }
 160
 161 # search for an executable in PATH
 162 path_of() {
 163     local_command="$1"
 164     local_ifs="$IFS"
 165     local_dir=""
 166
 167     # pathname has a dir component?
 168     if [ "${local_command#*/}" != "$local_command" ]; then
 169         if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
 170             echo "$local_command"
 171             return 0
 172         fi
 173     fi
 174     if [ -z "$local_command" ]; then
 175         return 1
 176     fi
 177
 178     IFS=:
 179     for local_dir in $PATH; do
 180         if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
 181             echo "$local_dir/$local_command"
 182             IFS="${local_ifs:-$(printf ' \t\n')}"
 183             return 0
 184         fi
 185     done
 186     # not found
 187     IFS="${local_ifs:-$(printf ' \t\n')}"
 188     return 1
 189 }
 190
 191 have_backend () {
 192     echo "$trace_backends" | grep "$1" >/dev/null
 193 }
 194
 195 # default parameters
 196 source_path=`dirname "$0"`
 197 cpu=""
 198 iasl="iasl"
 199 interp_prefix="/usr/gnemul/qemu-%M"
 200 static="no"
 201 cross_prefix=""
 202 audio_drv_list=""
 203 block_drv_rw_whitelist=""
 204 block_drv_ro_whitelist=""
 205 host_cc="cc"
 206 libs_softmmu=""
 207 libs_tools=""
 208 audio_pt_int=""
 209 audio_win_int=""
 210 cc_i386=i386-pc-linux-gnu-gcc
 211 libs_qga=""
 212 debug_info="yes"
 213 stack_protector=""
 214
 215 # Don't accept a target_list environment variable.
 216 unset target_list
 217
 218 # Default value for a variable defining feature "foo".
 219 #  * foo="no"  feature will only be used if --enable-foo arg is given
 220 #  * foo=""    feature will be searched for, and if found, will be used
 221 #              unless --disable-foo is given
 222 #  * foo="yes" this value will only be set by --enable-foo flag.
 223 #              feature will searched for,
 224 #              if not found, configure exits with error
 225 #
 226 # Always add --enable-foo and --disable-foo command line args.
 227 # Distributions want to ensure that several features are compiled in, and it
 228 # is impossible without a --enable-foo that exits if a feature is not found.
 229
 230 bluez=""
 231 brlapi=""
 232 curl=""
 233 curses=""
 234 docs=""
 235 fdt=""
 236 netmap="no"
 237 pixman=""
 238 sdl=""
 239 sdlabi="1.2"
 240 virtfs=""
 241 vnc="yes"
 242 sparse="no"
 243 uuid=""
 244 vde=""
 245 vnc_tls=""
 246 vnc_sasl=""
 247 vnc_jpeg=""
 248 vnc_png=""
 249 vnc_ws=""
 250 xen=""
 251 xen_ctrl_version=""
 252 xen_pci_passthrough=""
 253 linux_aio=""
 254 cap_ng=""
 255 attr=""
 256 libattr=""
 257 xfs=""
 258
 259 vhost_net="no"
 260 vhost_scsi="no"
 261 kvm="no"
 262 rdma=""
 263 gprof="no"
 264 debug_tcg="no"
 265 debug="no"
 266 strip_opt="yes"
 267 tcg_interpreter="no"
 268 bigendian="no"
 269 mingw32="no"
 270 gcov="no"
 271 gcov_tool="gcov"
 272 EXESUF=""
 273 DSOSUF=".so"
 274 LDFLAGS_SHARED="-shared"
 275 modules="no"
 276 prefix="/usr/local"
 277 mandir="\${prefix}/share/man"
 278 datadir="\${prefix}/share"
 279 qemu_docdir="\${prefix}/share/doc/qemu"
 280 bindir="\${prefix}/bin"
 281 libdir="\${prefix}/lib"
 282 libexecdir="\${prefix}/libexec"
 283 includedir="\${prefix}/include"
 284 sysconfdir="\${prefix}/etc"
 285 local_statedir="\${prefix}/var"
 286 confsuffix="/qemu"
 287 slirp="yes"
 288 fmod_lib=""
 289 fmod_inc=""
 290 oss_lib=""
 291 bsd="no"
 292 linux="no"
 293 solaris="no"
 294 profiler="no"
 295 cocoa="no"
 296 softmmu="yes"
 297 linux_user="no"
 298 bsd_user="no"
 299 guest_base="yes"
 300 aix="no"
 301 blobs="yes"
 302 pkgversion=""
 303 pie=""
 304 zero_malloc=""
 305 qom_cast_debug="yes"
 306 trace_backends="nop"
 307 trace_file="trace"
 308 spice=""
 309 rbd=""
 310 smartcard_nss=""
 311 libusb=""
 312 usb_redir=""
 313 opengl=""
 314 zlib="yes"
 315 lzo=""
 316 snappy=""
 317 bzip2=""
 318 guest_agent=""
 319 guest_agent_with_vss="no"
 320 vss_win32_sdk=""
 321 win_sdk="no"
 322 want_tools="yes"
 323 libiscsi=""
 324 libnfs=""
 325 coroutine=""
 326 coroutine_pool=""
 327 seccomp=""
 328 glusterfs=""
 329 glusterfs_discard="no"
 330 glusterfs_zerofill="no"
 331 archipelago="no"
 332 gtk=""
 333 gtkabi=""
 334 vte=""
 335 tpm="yes"
 336 libssh2=""
 337 vhdx=""
 338 quorum=""
 339 numa=""
 340 tcmalloc="no"
 341
 342 # parse CC options first
 343 for opt do
 344   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 345   case "$opt" in
 346   --cross-prefix=*) cross_prefix="$optarg"
 347   ;;
 348   --cc=*) CC="$optarg"
 349   ;;
 350   --cxx=*) CXX="$optarg"
 351   ;;
 352   --source-path=*) source_path="$optarg"
 353   ;;
 354   --cpu=*) cpu="$optarg"
 355   ;;
 356   --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
 357                     EXTRA_CFLAGS="$optarg"
 358   ;;
 359   --extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"
 360                      EXTRA_LDFLAGS="$optarg"
 361   ;;
 362   --enable-debug-info) debug_info="yes"
 363   ;;
 364   --disable-debug-info) debug_info="no"
 365   ;;
 366   esac
 367 done
 368 # OS specific
 369 # Using uname is really, really broken.  Once we have the right set of checks
 370 # we can eliminate its usage altogether.
 371
 372 # Preferred compiler:
 373 #  ${CC} (if set)
 374 #  ${cross_prefix}gcc (if cross-prefix specified)
 375 #  system compiler
 376 if test -z "${CC}${cross_prefix}"; then
 377   cc="$host_cc"
 378 else
 379   cc="${CC-${cross_prefix}gcc}"
 380 fi
 381
 382 if test -z "${CXX}${cross_prefix}"; then
 383   cxx="c++"
 384 else
 385   cxx="${CXX-${cross_prefix}g++}"
 386 fi
 387
 388 ar="${AR-${cross_prefix}ar}"
 389 as="${AS-${cross_prefix}as}"
 390 cpp="${CPP-$cc -E}"
 391 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 392 ld="${LD-${cross_prefix}ld}"
 393 libtool="${LIBTOOL-${cross_prefix}libtool}"
 394 nm="${NM-${cross_prefix}nm}"
 395 strip="${STRIP-${cross_prefix}strip}"
 396 windres="${WINDRES-${cross_prefix}windres}"
 397 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 398 query_pkg_config() {
 399     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
 400 }
 401 pkg_config=query_pkg_config
 402 sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
 403 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 404
 405 # If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
 406 ARFLAGS="${ARFLAGS-rv}"
 407
 408 # default flags for all hosts
 409 QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
 410 QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
 411 QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
 412 QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
 413 QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
 414 if test "$debug_info" = "yes"; then
 415     CFLAGS="-g $CFLAGS"
 416     LDFLAGS="-g $LDFLAGS"
 417 fi
 418
 419 # make source path absolute
 420 source_path=`cd "$source_path"; pwd`
 421
 422 # running configure in the source tree?
 423 # we know that's the case if configure is there.
 424 if test -f "./configure"; then
 425     pwd_is_source_path="y"
 426 else
 427     pwd_is_source_path="n"
 428 fi
 429
 430 check_define() {
 431 cat > $TMPC <<EOF
 432 #if !defined($1)
 433 #error $1 not defined
 434 #endif
 435 int main(void) { return 0; }
 436 EOF
 437   compile_object
 438 }
 439
 440 write_c_skeleton() {
 441     cat > $TMPC <<EOF
 442 int main(void) { return 0; }
 443 EOF
 444 }
 445
 446 if check_define __linux__ ; then
 447   targetos="Linux"
 448 elif check_define _WIN32 ; then
 449   targetos='MINGW32'
 450 elif check_define __OpenBSD__ ; then
 451   targetos='OpenBSD'
 452 elif check_define __sun__ ; then
 453   targetos='SunOS'
 454 elif check_define __HAIKU__ ; then
 455   targetos='Haiku'
 456 else
 457   targetos=`uname -s`
 458 fi
 459
 460 # Some host OSes need non-standard checks for which CPU to use.
 461 # Note that these checks are broken for cross-compilation: if you're
 462 # cross-compiling to one of these OSes then you'll need to specify
 463 # the correct CPU with the --cpu option.
 464 case $targetos in
 465 Darwin)
 466   # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
 467   # run 64-bit userspace code.
 468   # If the user didn't specify a CPU explicitly and the kernel says this is
 469   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
 470   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
 471     cpu="x86_64"
 472   fi
 473   ;;
 474 SunOS)
 475   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
 476   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
 477     cpu="x86_64"
 478   fi
 479 esac
 480
 481 if test ! -z "$cpu" ; then
 482   # command line argument
 483   :
 484 elif check_define __i386__ ; then
 485   cpu="i386"
 486 elif check_define __x86_64__ ; then
 487   if check_define __ILP32__ ; then
 488     cpu="x32"
 489   else
 490     cpu="x86_64"
 491   fi
 492 elif check_define __sparc__ ; then
 493   if check_define __arch64__ ; then
 494     cpu="sparc64"
 495   else
 496     cpu="sparc"
 497   fi
 498 elif check_define _ARCH_PPC ; then
 499   if check_define _ARCH_PPC64 ; then
 500     cpu="ppc64"
 501   else
 502     cpu="ppc"
 503   fi
 504 elif check_define __mips__ ; then
 505   cpu="mips"
 506 elif check_define __ia64__ ; then
 507   cpu="ia64"
 508 elif check_define __s390__ ; then
 509   if check_define __s390x__ ; then
 510     cpu="s390x"
 511   else
 512     cpu="s390"
 513   fi
 514 elif check_define __arm__ ; then
 515   cpu="arm"
 516 elif check_define __aarch64__ ; then
 517   cpu="aarch64"
 518 elif check_define __hppa__ ; then
 519   cpu="hppa"
 520 else
 521   cpu=`uname -m`
 522 fi
 523
 524 ARCH=
 525 # Normalise host CPU name and set ARCH.
 526 # Note that this case should only have supported host CPUs, not guests.
 527 case "$cpu" in
 528   ia64|ppc|ppc64|s390|s390x|sparc64|x32)
 529     cpu="$cpu"
 530   ;;
 531   i386|i486|i586|i686|i86pc|BePC)
 532     cpu="i386"
 533   ;;
 534   x86_64|amd64)
 535     cpu="x86_64"
 536   ;;
 537   armv*b|armv*l|arm)
 538     cpu="arm"
 539   ;;
 540   aarch64)
 541     cpu="aarch64"
 542   ;;
 543   mips*)
 544     cpu="mips"
 545   ;;
 546   sparc|sun4[cdmuv])
 547     cpu="sparc"
 548   ;;
 549   *)
 550     # This will result in either an error or falling back to TCI later
 551     ARCH=unknown
 552   ;;
 553 esac
 554 if test -z "$ARCH"; then
 555   ARCH="$cpu"
 556 fi
 557
 558 # OS specific
 559
 560 # host *BSD for user mode
 561 HOST_VARIANT_DIR=""
 562
 563 case $targetos in
 564 CYGWIN*)
 565   mingw32="yes"
 566   QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
 567   audio_possible_drivers="winwave sdl"
 568   audio_drv_list="winwave"
 569 ;;
 570 MINGW32*)
 571   mingw32="yes"
 572   audio_possible_drivers="winwave dsound sdl fmod"
 573   audio_drv_list="winwave"
 574 ;;
 575 GNU/kFreeBSD)
 576   bsd="yes"
 577   audio_drv_list="oss"
 578   audio_possible_drivers="oss sdl esd pa"
 579 ;;
 580 FreeBSD)
 581   bsd="yes"
 582   make="${MAKE-gmake}"
 583   audio_drv_list="oss"
 584   audio_possible_drivers="oss sdl esd pa"
 585   # needed for kinfo_getvmmap(3) in libutil.h
 586   LIBS="-lutil $LIBS"
 587   netmap=""  # enable netmap autodetect
 588   HOST_VARIANT_DIR="freebsd"
 589 ;;
 590 DragonFly)
 591   bsd="yes"
 592   make="${MAKE-gmake}"
 593   audio_drv_list="oss"
 594   audio_possible_drivers="oss sdl esd pa"
 595   HOST_VARIANT_DIR="dragonfly"
 596 ;;
 597 NetBSD)
 598   bsd="yes"
 599   make="${MAKE-gmake}"
 600   audio_drv_list="oss"
 601   audio_possible_drivers="oss sdl esd"
 602   oss_lib="-lossaudio"
 603   HOST_VARIANT_DIR="netbsd"
 604 ;;
 605 OpenBSD)
 606   bsd="yes"
 607   make="${MAKE-gmake}"
 608   audio_drv_list="sdl"
 609   audio_possible_drivers="sdl esd"
 610   HOST_VARIANT_DIR="openbsd"
 611 ;;
 612 Darwin)
 613   bsd="yes"
 614   darwin="yes"
 615   LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
 616   if [ "$cpu" = "x86_64" ] ; then
 617     QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
 618     LDFLAGS="-arch x86_64 $LDFLAGS"
 619   fi
 620   cocoa="yes"
 621   audio_drv_list="coreaudio"
 622   audio_possible_drivers="coreaudio sdl fmod"
 623   LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
 624   libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
 625   # Disable attempts to use ObjectiveC features in os/object.h since they
 626   # won't work when we're compiling with gcc as a C compiler.
 627   QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
 628   HOST_VARIANT_DIR="darwin"
 629 ;;
 630 SunOS)
 631   solaris="yes"
 632   make="${MAKE-gmake}"
 633   install="${INSTALL-ginstall}"
 634   ld="gld"
 635   smbd="${SMBD-/usr/sfw/sbin/smbd}"
 636   needs_libsunmath="no"
 637   solarisrev=`uname -r | cut -f2 -d.`
 638   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
 639     if test "$solarisrev" -le 9 ; then
 640       if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
 641         needs_libsunmath="yes"
 642         QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
 643         LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
 644         LIBS="-lsunmath $LIBS"
 645       else
 646         error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
 647             "libsunmath from the Sun Studio compilers tools, due to a lack of" \
 648             "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
 649             "Studio 11 can be downloaded from www.sun.com."
 650       fi
 651     fi
 652   fi
 653   if test -f /usr/include/sys/soundcard.h ; then
 654     audio_drv_list="oss"
 655   fi
 656   audio_possible_drivers="oss sdl"
 657 # needed for CMSG_ macros in sys/socket.h
 658   QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
 659 # needed for TIOCWIN* defines in termios.h
 660   QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
 661   QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
 662   solarisnetlibs="-lsocket -lnsl -lresolv"
 663   LIBS="$solarisnetlibs $LIBS"
 664   libs_qga="$solarisnetlibs $libs_qga"
 665 ;;
 666 AIX)
 667   aix="yes"
 668   make="${MAKE-gmake}"
 669 ;;
 670 Haiku)
 671   haiku="yes"
 672   QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
 673   LIBS="-lposix_error_mapper -lnetwork $LIBS"
 674 ;;
 675 *)
 676   audio_drv_list="oss"
 677   audio_possible_drivers="oss alsa sdl esd pa"
 678   linux="yes"
 679   linux_user="yes"
 680   kvm="yes"
 681   vhost_net="yes"
 682   vhost_scsi="yes"
 683   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" -o "$cpu" = "x32" ] ; then
 684     audio_possible_drivers="$audio_possible_drivers fmod"
 685   fi
 686   QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
 687 ;;
 688 esac
 689
 690 if [ "$bsd" = "yes" ] ; then
 691   if [ "$darwin" != "yes" ] ; then
 692     bsd_user="yes"
 693   fi
 694 fi
 695
 696 : ${make=${MAKE-make}}
 697 : ${install=${INSTALL-install}}
 698 : ${python=${PYTHON-python}}
 699 : ${smbd=${SMBD-/usr/sbin/smbd}}
 700
 701 # Default objcc to clang if available, otherwise use CC
 702 if has clang; then
 703   objcc=clang
 704 else
 705   objcc="$cc"
 706 fi
 707
 708 if test "$mingw32" = "yes" ; then
 709   EXESUF=".exe"
 710   DSOSUF=".dll"
 711   QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
 712   # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
 713   QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
 714   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 715   write_c_skeleton;
 716   if compile_prog "" "-liberty" ; then
 717     LIBS="-liberty $LIBS"
 718   fi
 719   prefix="c:/Program Files/QEMU"
 720   mandir="\${prefix}"
 721   datadir="\${prefix}"
 722   qemu_docdir="\${prefix}"
 723   bindir="\${prefix}"
 724   sysconfdir="\${prefix}"
 725   local_statedir=
 726   confsuffix=""
 727   libs_qga="-lws2_32 -lwinmm -lpowrprof $libs_qga"
 728 fi
 729
 730 werror=""
 731
 732 for opt do
 733   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
 734   case "$opt" in
 735   --help|-h) show_help=yes
 736   ;;
 737   --version|-V) exec cat $source_path/VERSION
 738   ;;
 739   --prefix=*) prefix="$optarg"
 740   ;;
 741   --interp-prefix=*) interp_prefix="$optarg"
 742   ;;
 743   --source-path=*)
 744   ;;
 745   --cross-prefix=*)
 746   ;;
 747   --cc=*)
 748   ;;
 749   --host-cc=*) host_cc="$optarg"
 750   ;;
 751   --cxx=*)
 752   ;;
 753   --iasl=*) iasl="$optarg"
 754   ;;
 755   --objcc=*) objcc="$optarg"
 756   ;;
 757   --make=*) make="$optarg"
 758   ;;
 759   --install=*) install="$optarg"
 760   ;;
 761   --python=*) python="$optarg"
 762   ;;
 763   --gcov=*) gcov_tool="$optarg"
 764   ;;
 765   --smbd=*) smbd="$optarg"
 766   ;;
 767   --extra-cflags=*)
 768   ;;
 769   --extra-ldflags=*)
 770   ;;
 771   --enable-debug-info)
 772   ;;
 773   --disable-debug-info)
 774   ;;
 775   --enable-modules)
 776       modules="yes"
 777   ;;
 778   --cpu=*)
 779   ;;
 780   --target-list=*) target_list="$optarg"
 781   ;;
 782   --enable-trace-backends=*) trace_backends="$optarg"
 783   ;;
 784   # XXX: backwards compatibility
 785   --enable-trace-backend=*) trace_backends="$optarg"
 786   ;;
 787   --with-trace-file=*) trace_file="$optarg"
 788   ;;
 789   --enable-gprof) gprof="yes"
 790   ;;
 791   --enable-gcov) gcov="yes"
 792   ;;
 793   --static)
 794     static="yes"
 795     LDFLAGS="-static $LDFLAGS"
 796     QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
 797   ;;
 798   --mandir=*) mandir="$optarg"
 799   ;;
 800   --bindir=*) bindir="$optarg"
 801   ;;
 802   --libdir=*) libdir="$optarg"
 803   ;;
 804   --libexecdir=*) libexecdir="$optarg"
 805   ;;
 806   --includedir=*) includedir="$optarg"
 807   ;;
 808   --datadir=*) datadir="$optarg"
 809   ;;
 810   --with-confsuffix=*) confsuffix="$optarg"
 811   ;;
 812   --docdir=*) qemu_docdir="$optarg"
 813   ;;
 814   --sysconfdir=*) sysconfdir="$optarg"
 815   ;;
 816   --localstatedir=*) local_statedir="$optarg"
 817   ;;
 818   --sbindir=*|--sharedstatedir=*|\
 819   --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
 820   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 821     # These switches are silently ignored, for compatibility with
 822     # autoconf-generated configure scripts. This allows QEMU's
 823     # configure to be used by RPM and similar macros that set
 824     # lots of directory switches by default.
 825   ;;
 826   --with-system-pixman) pixman="system"
 827   ;;
 828   --without-system-pixman) pixman="internal"
 829   ;;
 830   --without-pixman) pixman="none"
 831   ;;
 832   --disable-sdl) sdl="no"
 833   ;;
 834   --enable-sdl) sdl="yes"
 835   ;;
 836   --with-sdlabi=*) sdlabi="$optarg"
 837   ;;
 838   --disable-qom-cast-debug) qom_cast_debug="no"
 839   ;;
 840   --enable-qom-cast-debug) qom_cast_debug="yes"
 841   ;;
 842   --disable-virtfs) virtfs="no"
 843   ;;
 844   --enable-virtfs) virtfs="yes"
 845   ;;
 846   --disable-vnc) vnc="no"
 847   ;;
 848   --enable-vnc) vnc="yes"
 849   ;;
 850   --fmod-lib=*) fmod_lib="$optarg"
 851   ;;
 852   --fmod-inc=*) fmod_inc="$optarg"
 853   ;;
 854   --oss-lib=*) oss_lib="$optarg"
 855   ;;
 856   --audio-drv-list=*) audio_drv_list="$optarg"
 857   ;;
 858   --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 859   ;;
 860   --block-drv-ro-whitelist=*) block_drv_ro_whitelist=`echo "$optarg" | sed -e 's/,/ /g'`
 861   ;;
 862   --enable-debug-tcg) debug_tcg="yes"
 863   ;;
 864   --disable-debug-tcg) debug_tcg="no"
 865   ;;
 866   --enable-debug)
 867       # Enable debugging options that aren't excessively noisy
 868       debug_tcg="yes"
 869       debug="yes"
 870       strip_opt="no"
 871   ;;
 872   --enable-sparse) sparse="yes"
 873   ;;
 874   --disable-sparse) sparse="no"
 875   ;;
 876   --disable-strip) strip_opt="no"
 877   ;;
 878   --disable-vnc-tls) vnc_tls="no"
 879   ;;
 880   --enable-vnc-tls) vnc_tls="yes"
 881   ;;
 882   --disable-vnc-sasl) vnc_sasl="no"
 883   ;;
 884   --enable-vnc-sasl) vnc_sasl="yes"
 885   ;;
 886   --disable-vnc-jpeg) vnc_jpeg="no"
 887   ;;
 888   --enable-vnc-jpeg) vnc_jpeg="yes"
 889   ;;
 890   --disable-vnc-png) vnc_png="no"
 891   ;;
 892   --enable-vnc-png) vnc_png="yes"
 893   ;;
 894   --disable-vnc-ws) vnc_ws="no"
 895   ;;
 896   --enable-vnc-ws) vnc_ws="yes"
 897   ;;
 898   --disable-slirp) slirp="no"
 899   ;;
 900   --disable-uuid) uuid="no"
 901   ;;
 902   --enable-uuid) uuid="yes"
 903   ;;
 904   --disable-vde) vde="no"
 905   ;;
 906   --enable-vde) vde="yes"
 907   ;;
 908   --disable-netmap) netmap="no"
 909   ;;
 910   --enable-netmap) netmap="yes"
 911   ;;
 912   --disable-xen) xen="no"
 913   ;;
 914   --enable-xen) xen="yes"
 915   ;;
 916   --disable-xen-pci-passthrough) xen_pci_passthrough="no"
 917   ;;
 918   --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
 919   ;;
 920   --disable-brlapi) brlapi="no"
 921   ;;
 922   --enable-brlapi) brlapi="yes"
 923   ;;
 924   --disable-bluez) bluez="no"
 925   ;;
 926   --enable-bluez) bluez="yes"
 927   ;;
 928   --disable-kvm) kvm="no"
 929   ;;
 930   --enable-kvm) kvm="yes"
 931   ;;
 932   --disable-tcg-interpreter) tcg_interpreter="no"
 933   ;;
 934   --enable-tcg-interpreter) tcg_interpreter="yes"
 935   ;;
 936   --disable-cap-ng)  cap_ng="no"
 937   ;;
 938   --enable-cap-ng) cap_ng="yes"
 939   ;;
 940   --disable-spice) spice="no"
 941   ;;
 942   --enable-spice) spice="yes"
 943   ;;
 944   --disable-libiscsi) libiscsi="no"
 945   ;;
 946   --enable-libiscsi) libiscsi="yes"
 947   ;;
 948   --disable-libnfs) libnfs="no"
 949   ;;
 950   --enable-libnfs) libnfs="yes"
 951   ;;
 952   --enable-profiler) profiler="yes"
 953   ;;
 954   --disable-cocoa) cocoa="no"
 955   ;;
 956   --enable-cocoa)
 957       cocoa="yes" ;
 958       sdl="no" ;
 959       audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
 960   ;;
 961   --disable-system) softmmu="no"
 962   ;;
 963   --enable-system) softmmu="yes"
 964   ;;
 965   --disable-user)
 966       linux_user="no" ;
 967       bsd_user="no" ;
 968   ;;
 969   --enable-user) ;;
 970   --disable-linux-user) linux_user="no"
 971   ;;
 972   --enable-linux-user) linux_user="yes"
 973   ;;
 974   --disable-bsd-user) bsd_user="no"
 975   ;;
 976   --enable-bsd-user) bsd_user="yes"
 977   ;;
 978   --enable-guest-base) guest_base="yes"
 979   ;;
 980   --disable-guest-base) guest_base="no"
 981   ;;
 982   --enable-pie) pie="yes"
 983   ;;
 984   --disable-pie) pie="no"
 985   ;;
 986   --enable-werror) werror="yes"
 987   ;;
 988   --disable-werror) werror="no"
 989   ;;
 990   --enable-stack-protector) stack_protector="yes"
 991   ;;
 992   --disable-stack-protector) stack_protector="no"
 993   ;;
 994   --disable-curses) curses="no"
 995   ;;
 996   --enable-curses) curses="yes"
 997   ;;
 998   --disable-curl) curl="no"
 999   ;;
1000   --enable-curl) curl="yes"
1001   ;;
1002   --disable-fdt) fdt="no"
1003   ;;
1004   --enable-fdt) fdt="yes"
1005   ;;
1006   --disable-linux-aio) linux_aio="no"
1007   ;;
1008   --enable-linux-aio) linux_aio="yes"
1009   ;;
1010   --disable-attr) attr="no"
1011   ;;
1012   --enable-attr) attr="yes"
1013   ;;
1014   --disable-blobs) blobs="no"
1015   ;;
1016   --with-pkgversion=*) pkgversion=" ($optarg)"
1017   ;;
1018   --with-coroutine=*) coroutine="$optarg"
1019   ;;
1020   --disable-coroutine-pool) coroutine_pool="no"
1021   ;;
1022   --enable-coroutine-pool) coroutine_pool="yes"
1023   ;;
1024   --disable-docs) docs="no"
1025   ;;
1026   --enable-docs) docs="yes"
1027   ;;
1028   --disable-vhost-net) vhost_net="no"
1029   ;;
1030   --enable-vhost-net) vhost_net="yes"
1031   ;;
1032   --disable-vhost-scsi) vhost_scsi="no"
1033   ;;
1034   --enable-vhost-scsi) vhost_scsi="yes"
1035   ;;
1036   --disable-opengl) opengl="no"
1037   ;;
1038   --enable-opengl) opengl="yes"
1039   ;;
1040   --disable-rbd) rbd="no"
1041   ;;
1042   --enable-rbd) rbd="yes"
1043   ;;
1044   --disable-xfsctl) xfs="no"
1045   ;;
1046   --enable-xfsctl) xfs="yes"
1047   ;;
1048   --disable-smartcard-nss) smartcard_nss="no"
1049   ;;
1050   --enable-smartcard-nss) smartcard_nss="yes"
1051   ;;
1052   --disable-libusb) libusb="no"
1053   ;;
1054   --enable-libusb) libusb="yes"
1055   ;;
1056   --disable-usb-redir) usb_redir="no"
1057   ;;
1058   --enable-usb-redir) usb_redir="yes"
1059   ;;
1060   --disable-zlib-test) zlib="no"
1061   ;;
1062   --disable-lzo) lzo="no"
1063   ;;
1064   --enable-lzo) lzo="yes"
1065   ;;
1066   --disable-snappy) snappy="no"
1067   ;;
1068   --enable-snappy) snappy="yes"
1069   ;;
1070   --disable-bzip2) bzip2="no"
1071   ;;
1072   --enable-bzip2) bzip2="yes"
1073   ;;
1074   --enable-guest-agent) guest_agent="yes"
1075   ;;
1076   --disable-guest-agent) guest_agent="no"
1077   ;;
1078   --with-vss-sdk) vss_win32_sdk=""
1079   ;;
1080   --with-vss-sdk=*) vss_win32_sdk="$optarg"
1081   ;;
1082   --without-vss-sdk) vss_win32_sdk="no"
1083   ;;
1084   --with-win-sdk) win_sdk=""
1085   ;;
1086   --with-win-sdk=*) win_sdk="$optarg"
1087   ;;
1088   --without-win-sdk) win_sdk="no"
1089   ;;
1090   --enable-tools) want_tools="yes"
1091   ;;
1092   --disable-tools) want_tools="no"
1093   ;;
1094   --enable-seccomp) seccomp="yes"
1095   ;;
1096   --disable-seccomp) seccomp="no"
1097   ;;
1098   --disable-glusterfs) glusterfs="no"
1099   ;;
1100   --enable-glusterfs) glusterfs="yes"
1101   ;;
1102   --disable-archipelago) archipelago="no"
1103   ;;
1104   --enable-archipelago) archipelago="yes"
1105   ;;
1106   --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1107       echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1108   ;;
1109   --disable-gtk) gtk="no"
1110   ;;
1111   --enable-gtk) gtk="yes"
1112   ;;
1113   --enable-rdma) rdma="yes"
1114   ;;
1115   --disable-rdma) rdma="no"
1116   ;;
1117   --with-gtkabi=*) gtkabi="$optarg"
1118   ;;
1119   --disable-vte) vte="no"
1120   ;;
1121   --enable-vte) vte="yes"
1122   ;;
1123   --disable-tpm) tpm="no"
1124   ;;
1125   --enable-tpm) tpm="yes"
1126   ;;
1127   --disable-libssh2) libssh2="no"
1128   ;;
1129   --enable-libssh2) libssh2="yes"
1130   ;;
1131   --enable-vhdx) vhdx="yes"
1132   ;;
1133   --disable-vhdx) vhdx="no"
1134   ;;
1135   --disable-quorum) quorum="no"
1136   ;;
1137   --enable-quorum) quorum="yes"
1138   ;;
1139   --disable-numa) numa="no"
1140   ;;
1141   --enable-numa) numa="yes"
1142   ;;
1143   --disable-tcmalloc) tcmalloc="no"
1144   ;;
1145   --enable-tcmalloc) tcmalloc="yes"
1146   ;;
1147   *)
1148       echo "ERROR: unknown option $opt"
1149       echo "Try '$0 --help' for more information"
1150       exit 1
1151   ;;
1152   esac
1153 done
1154
1155 if ! has $python; then
1156   error_exit "Python not found. Use --python=/path/to/python"
1157 fi
1158
1159 # Note that if the Python conditional here evaluates True we will exit
1160 # with status 1 which is a shell 'false' value.
1161 if ! $python -c 'import sys; sys.exit(sys.version_info < (2,4) or sys.version_info >= (3,))'; then
1162   error_exit "Cannot use '$python', Python 2.4 or later is required." \
1163       "Note that Python 3 or later is not yet supported." \
1164       "Use --python=/path/to/python to specify a supported Python."
1165 fi
1166
1167 # The -B switch was added in Python 2.6.
1168 # If it is supplied, compiled files are not written.
1169 # Use it for Python versions which support it.
1170 if $python -B -c 'import sys; sys.exit(0)' 2>/dev/null; then
1171   python="$python -B"
1172 fi
1173
1174 case "$cpu" in
1175     ppc)
1176            CPU_CFLAGS="-m32"
1177            LDFLAGS="-m32 $LDFLAGS"
1178            ;;
1179     ppc64)
1180            CPU_CFLAGS="-m64"
1181            LDFLAGS="-m64 $LDFLAGS"
1182            ;;
1183     sparc)
1184            LDFLAGS="-m32 $LDFLAGS"
1185            CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1186            ;;
1187     sparc64)
1188            LDFLAGS="-m64 $LDFLAGS"
1189            CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1190            ;;
1191     s390)
1192            CPU_CFLAGS="-m31"
1193            LDFLAGS="-m31 $LDFLAGS"
1194            ;;
1195     s390x)
1196            CPU_CFLAGS="-m64"
1197            LDFLAGS="-m64 $LDFLAGS"
1198            ;;
1199     i386)
1200            CPU_CFLAGS="-m32"
1201            LDFLAGS="-m32 $LDFLAGS"
1202            cc_i386='$(CC) -m32'
1203            ;;
1204     x86_64)
1205            CPU_CFLAGS="-m64"
1206            LDFLAGS="-m64 $LDFLAGS"
1207            cc_i386='$(CC) -m32'
1208            ;;
1209     x32)
1210            CPU_CFLAGS="-mx32"
1211            LDFLAGS="-mx32 $LDFLAGS"
1212            cc_i386='$(CC) -m32'
1213            ;;
1214     # No special flags required for other host CPUs
1215 esac
1216
1217 QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1218 EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1219
1220 default_target_list=""
1221
1222 mak_wilds=""
1223
1224 if [ "$softmmu" = "yes" ]; then
1225     mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1226 fi
1227 if [ "$linux_user" = "yes" ]; then
1228     mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1229 fi
1230 if [ "$bsd_user" = "yes" ]; then
1231     mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1232 fi
1233
1234 for config in $mak_wilds; do
1235     default_target_list="${default_target_list} $(basename "$config" .mak)"
1236 done
1237
1238 if test x"$show_help" = x"yes" ; then
1239 cat << EOF
1240
1241 Usage: configure [options]
1242 Options: [defaults in brackets after descriptions]
1243
1244 Standard options:
1245   --help                   print this message
1246   --prefix=PREFIX          install in PREFIX [$prefix]
1247   --interp-prefix=PREFIX   where to find shared libraries, etc.
1248                            use %M for cpu name [$interp_prefix]
1249   --target-list=LIST       set target list (default: build everything)
1250 $(echo Available targets: $default_target_list | \
1251   fold -s -w 53 | sed -e 's/^/                           /')
1252
1253 Advanced options (experts only):
1254   --source-path=PATH       path of source code [$source_path]
1255   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1256   --cc=CC                  use C compiler CC [$cc]
1257   --iasl=IASL              use ACPI compiler IASL [$iasl]
1258   --host-cc=CC             use C compiler CC [$host_cc] for code run at
1259                            build time
1260   --cxx=CXX                use C++ compiler CXX [$cxx]
1261   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1262   --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1263   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1264   --make=MAKE              use specified make [$make]
1265   --install=INSTALL        use specified install [$install]
1266   --python=PYTHON          use specified python [$python]
1267   --smbd=SMBD              use specified smbd [$smbd]
1268   --static                 enable static build [$static]
1269   --mandir=PATH            install man pages in PATH
1270   --datadir=PATH           install firmware in PATH$confsuffix
1271   --docdir=PATH            install documentation in PATH$confsuffix
1272   --bindir=PATH            install binaries in PATH
1273   --libdir=PATH            install libraries in PATH
1274   --sysconfdir=PATH        install config in PATH$confsuffix
1275   --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1276   --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1277   --enable-modules         enable modules support
1278   --enable-debug-tcg       enable TCG debugging
1279   --disable-debug-tcg      disable TCG debugging (default)
1280   --enable-debug-info      enable debugging information (default)
1281   --disable-debug-info     disable debugging information
1282   --enable-debug           enable common debug build options
1283   --enable-sparse          enable sparse checker
1284   --disable-sparse         disable sparse checker (default)
1285   --disable-strip          disable stripping binaries
1286   --disable-werror         disable compilation abort on warning
1287   --disable-stack-protector disable compiler-provided stack protection
1288   --disable-sdl            disable SDL
1289   --enable-sdl             enable SDL
1290   --with-sdlabi            select preferred SDL ABI 1.2 or 2.0
1291   --disable-gtk            disable gtk UI
1292   --enable-gtk             enable gtk UI
1293   --with-gtkabi            select preferred GTK ABI 2.0 or 3.0
1294   --disable-virtfs         disable VirtFS
1295   --enable-virtfs          enable VirtFS
1296   --disable-vnc            disable VNC
1297   --enable-vnc             enable VNC
1298   --disable-cocoa          disable Cocoa (Mac OS X only)
1299   --enable-cocoa           enable Cocoa (default on Mac OS X)
1300   --audio-drv-list=LIST    set audio drivers list:
1301                            Available drivers: $audio_possible_drivers
1302   --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1303   --block-drv-rw-whitelist=L
1304                            set block driver read-write whitelist
1305                            (affects only QEMU, not qemu-img)
1306   --block-drv-ro-whitelist=L
1307                            set block driver read-only whitelist
1308                            (affects only QEMU, not qemu-img)
1309   --disable-xen            disable xen backend driver support
1310   --enable-xen             enable xen backend driver support
1311   --disable-xen-pci-passthrough
1312   --enable-xen-pci-passthrough
1313   --disable-brlapi         disable BrlAPI
1314   --enable-brlapi          enable BrlAPI
1315   --disable-vnc-tls        disable TLS encryption for VNC server
1316   --enable-vnc-tls         enable TLS encryption for VNC server
1317   --disable-vnc-sasl       disable SASL encryption for VNC server
1318   --enable-vnc-sasl        enable SASL encryption for VNC server
1319   --disable-vnc-jpeg       disable JPEG lossy compression for VNC server
1320   --enable-vnc-jpeg        enable JPEG lossy compression for VNC server
1321   --disable-vnc-png        disable PNG compression for VNC server (default)
1322   --enable-vnc-png         enable PNG compression for VNC server
1323   --disable-vnc-ws         disable Websockets support for VNC server
1324   --enable-vnc-ws          enable Websockets support for VNC server
1325   --disable-curses         disable curses output
1326   --enable-curses          enable curses output
1327   --disable-curl           disable curl connectivity
1328   --enable-curl            enable curl connectivity
1329   --disable-fdt            disable fdt device tree
1330   --enable-fdt             enable fdt device tree
1331   --disable-bluez          disable bluez stack connectivity
1332   --enable-bluez           enable bluez stack connectivity
1333   --disable-slirp          disable SLIRP userspace network connectivity
1334   --disable-kvm            disable KVM acceleration support
1335   --enable-kvm             enable KVM acceleration support
1336   --disable-rdma           disable RDMA-based migration support
1337   --enable-rdma            enable RDMA-based migration support
1338   --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1339   --enable-system          enable all system emulation targets
1340   --disable-system         disable all system emulation targets
1341   --enable-user            enable supported user emulation targets
1342   --disable-user           disable all user emulation targets
1343   --enable-linux-user      enable all linux usermode emulation targets
1344   --disable-linux-user     disable all linux usermode emulation targets
1345   --enable-bsd-user        enable all BSD usermode emulation targets
1346   --disable-bsd-user       disable all BSD usermode emulation targets
1347   --enable-guest-base      enable GUEST_BASE support for usermode
1348                            emulation targets
1349   --disable-guest-base     disable GUEST_BASE support
1350   --enable-pie             build Position Independent Executables
1351   --disable-pie            do not build Position Independent Executables
1352   --fmod-lib               path to FMOD library
1353   --fmod-inc               path to FMOD includes
1354   --oss-lib                path to OSS library
1355   --cpu=CPU                Build for host CPU [$cpu]
1356   --disable-uuid           disable uuid support
1357   --enable-uuid            enable uuid support
1358   --disable-vde            disable support for vde network
1359   --enable-vde             enable support for vde network
1360   --disable-netmap         disable support for netmap network
1361   --enable-netmap          enable support for netmap network
1362   --disable-linux-aio      disable Linux AIO support
1363   --enable-linux-aio       enable Linux AIO support
1364   --disable-cap-ng         disable libcap-ng support
1365   --enable-cap-ng          enable libcap-ng support
1366   --disable-attr           disable attr and xattr support
1367   --enable-attr            enable attr and xattr support
1368   --disable-blobs          disable installing provided firmware blobs
1369   --enable-docs            enable documentation build
1370   --disable-docs           disable documentation build
1371   --disable-vhost-net      disable vhost-net acceleration support
1372   --enable-vhost-net       enable vhost-net acceleration support
1373   --enable-trace-backends=B Set trace backend
1374                            Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1375   --with-trace-file=NAME   Full PATH,NAME of file to store traces
1376                            Default:trace-<pid>
1377   --disable-spice          disable spice
1378   --enable-spice           enable spice
1379   --enable-rbd             enable building the rados block device (rbd)
1380   --disable-libiscsi       disable iscsi support
1381   --enable-libiscsi        enable iscsi support
1382   --disable-libnfs         disable nfs support
1383   --enable-libnfs          enable nfs support
1384   --disable-smartcard-nss  disable smartcard nss support
1385   --enable-smartcard-nss   enable smartcard nss support
1386   --disable-libusb         disable libusb (for usb passthrough)
1387   --enable-libusb          enable libusb (for usb passthrough)
1388   --disable-usb-redir      disable usb network redirection support
1389   --enable-usb-redir       enable usb network redirection support
1390   --enable-lzo             enable the support of lzo compression library
1391   --enable-snappy          enable the support of snappy compression library
1392   --enable-bzip2           enable the support of bzip2 compression library (for
1393                            reading bzip2-compressed dmg images)
1394   --disable-guest-agent    disable building of the QEMU Guest Agent
1395   --enable-guest-agent     enable building of the QEMU Guest Agent
1396   --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1397   --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1398   --disable-seccomp        disable seccomp support
1399   --enable-seccomp         enable seccomp support
1400   --with-coroutine=BACKEND coroutine backend. Supported options:
1401                            gthread, ucontext, sigaltstack, windows
1402   --disable-coroutine-pool disable coroutine freelist (worse performance)
1403   --enable-coroutine-pool  enable coroutine freelist (better performance)
1404   --enable-glusterfs       enable GlusterFS backend
1405   --disable-glusterfs      disable GlusterFS backend
1406   --enable-archipelago     enable Archipelago backend
1407   --disable-archipelago    disable Archipelago backend
1408   --enable-gcov            enable test coverage analysis with gcov
1409   --gcov=GCOV              use specified gcov [$gcov_tool]
1410   --disable-tpm            disable TPM support
1411   --enable-tpm             enable TPM support
1412   --disable-libssh2        disable ssh block device support
1413   --enable-libssh2         enable ssh block device support
1414   --disable-vhdx           disable support for the Microsoft VHDX image format
1415   --enable-vhdx            enable support for the Microsoft VHDX image format
1416   --disable-quorum         disable quorum block filter support
1417   --enable-quorum          enable quorum block filter support
1418   --disable-numa           disable libnuma support
1419   --enable-numa            enable libnuma support
1420   --disable-tcmalloc       disable tcmalloc support
1421   --enable-tcmalloc        enable tcmalloc support
1422
1423 NOTE: The object files are built at the place where configure is launched
1424 EOF
1425 exit 0
1426 fi
1427
1428 # Now we have handled --enable-tcg-interpreter and know we're not just
1429 # printing the help message, bail out if the host CPU isn't supported.
1430 if test "$ARCH" = "unknown"; then
1431     if test "$tcg_interpreter" = "yes" ; then
1432         echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1433         ARCH=tci
1434     else
1435         error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1436     fi
1437 fi
1438
1439 # Consult white-list to determine whether to enable werror
1440 # by default.  Only enable by default for git builds
1441 z_version=`cut -f3 -d. $source_path/VERSION`
1442
1443 if test -z "$werror" ; then
1444     if test -d "$source_path/.git" -a \
1445         "$linux" = "yes" ; then
1446         werror="yes"
1447     else
1448         werror="no"
1449     fi
1450 fi
1451
1452 # check that the C compiler works.
1453 write_c_skeleton;
1454 if compile_object ; then
1455   : C compiler works ok
1456 else
1457     error_exit "\"$cc\" either does not exist or does not work"
1458 fi
1459
1460 # Check that the C++ compiler exists and works with the C compiler
1461 if has $cxx; then
1462     cat > $TMPC <<EOF
1463 int c_function(void);
1464 int main(void) { return c_function(); }
1465 EOF
1466
1467     compile_object
1468
1469     cat > $TMPCXX <<EOF
1470 extern "C" {
1471    int c_function(void);
1472 }
1473 int c_function(void) { return 42; }
1474 EOF
1475
1476     update_cxxflags
1477
1478     if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1479         # C++ compiler $cxx works ok with C compiler $cc
1480         :
1481     else
1482         echo "C++ compiler $cxx does not work with C compiler $cc"
1483         echo "Disabling C++ specific optional code"
1484         cxx=
1485     fi
1486 else
1487     echo "No C++ compiler available; disabling C++ specific optional code"
1488     cxx=
1489 fi
1490
1491 gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1492 gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1493 gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1494 gcc_flags="-Wendif-labels $gcc_flags"
1495 gcc_flags="-Wno-initializer-overrides $gcc_flags"
1496 gcc_flags="-Wno-string-plus-int $gcc_flags"
1497 # Note that we do not add -Werror to gcc_flags here, because that would
1498 # enable it for all configure tests. If a configure test failed due
1499 # to -Werror this would just silently disable some features,
1500 # so it's too error prone.
1501
1502 cc_has_warning_flag() {
1503     write_c_skeleton;
1504
1505     # Use the positive sense of the flag when testing for -Wno-wombat
1506     # support (gcc will happily accept the -Wno- form of unknown
1507     # warning options).
1508     optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1509     compile_prog "-Werror $optflag" ""
1510 }
1511
1512 for flag in $gcc_flags; do
1513     if cc_has_warning_flag $flag ; then
1514         QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1515     fi
1516 done
1517
1518 if test "$stack_protector" != "no"; then
1519   gcc_flags="-fstack-protector-strong -fstack-protector-all"
1520   sp_on=0
1521   for flag in $gcc_flags; do
1522     # We need to check both a compile and a link, since some compiler
1523     # setups fail only on a .c->.o compile and some only at link time
1524     if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1525        compile_prog "-Werror $flag" ""; then
1526       QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1527       LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag"
1528       sp_on=1
1529       break
1530     fi
1531   done
1532   if test "$stack_protector" = yes; then
1533     if test $sp_on = 0; then
1534       error_exit "Stack protector not supported"
1535     fi
1536   fi
1537 fi
1538
1539 # Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1540 # large functions that use global variables.  The bug is in all releases of
1541 # GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1542 # 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1543 cat > $TMPC << EOF
1544 #if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1545 int main(void) { return 0; }
1546 #else
1547 #error No bug in this compiler.
1548 #endif
1549 EOF
1550 if compile_prog "-Werror -fno-gcse" "" ; then
1551   TRANSLATE_OPT_CFLAGS=-fno-gcse
1552 fi
1553
1554 if test "$static" = "yes" ; then
1555   if test "$modules" = "yes" ; then
1556     error_exit "static and modules are mutually incompatible"
1557   fi
1558   if test "$pie" = "yes" ; then
1559     error_exit "static and pie are mutually incompatible"
1560   else
1561     pie="no"
1562   fi
1563 fi
1564
1565 # Unconditional check for compiler __thread support
1566   cat > $TMPC << EOF
1567 static __thread int tls_var;
1568 int main(void) { return tls_var; }
1569 EOF
1570
1571 if ! compile_prog "-Werror" "" ; then
1572     error_exit "Your compiler does not support the __thread specifier for " \
1573         "Thread-Local Storage (TLS). Please upgrade to a version that does."
1574 fi
1575
1576 if test "$pie" = ""; then
1577   case "$cpu-$targetos" in
1578     i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1579       ;;
1580     *)
1581       pie="no"
1582       ;;
1583   esac
1584 fi
1585
1586 if test "$pie" != "no" ; then
1587   cat > $TMPC << EOF
1588
1589 #ifdef __linux__
1590 #  define THREAD __thread
1591 #else
1592 #  define THREAD
1593 #endif
1594
1595 static THREAD int tls_var;
1596
1597 int main(void) { return tls_var; }
1598
1599 EOF
1600   if compile_prog "-fPIE -DPIE" "-pie"; then
1601     QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1602     LDFLAGS="-pie $LDFLAGS"
1603     pie="yes"
1604     if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1605       LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1606     fi
1607   else
1608     if test "$pie" = "yes"; then
1609       error_exit "PIE not available due to missing toolchain support"
1610     else
1611       echo "Disabling PIE due to missing toolchain support"
1612       pie="no"
1613     fi
1614   fi
1615
1616   if compile_prog "-Werror -fno-pie" "-nopie"; then
1617     CFLAGS_NOPIE="-fno-pie"
1618     LDFLAGS_NOPIE="-nopie"
1619   fi
1620 fi
1621
1622 # check for broken gcc and libtool in RHEL5
1623 if test -n "$libtool" -a "$pie" != "no" ; then
1624   cat > $TMPC <<EOF
1625
1626 void *f(unsigned char *buf, int len);
1627 void *g(unsigned char *buf, int len);
1628
1629 void *
1630 f(unsigned char *buf, int len)
1631 {
1632     return (void*)0L;
1633 }
1634
1635 void *
1636 g(unsigned char *buf, int len)
1637 {
1638     return f(buf, len);
1639 }
1640
1641 EOF
1642   if ! libtool_prog; then
1643     echo "Disabling libtool due to broken toolchain support"
1644     libtool=
1645   fi
1646 fi
1647
1648 ##########################################
1649 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
1650 # use i686 as default anyway, but for those that don't, an explicit
1651 # specification is necessary
1652
1653 if test "$cpu" = "i386"; then
1654   cat > $TMPC << EOF
1655 static int sfaa(int *ptr)
1656 {
1657   return __sync_fetch_and_and(ptr, 0);
1658 }
1659
1660 int main(void)
1661 {
1662   int val = 42;
1663   val = __sync_val_compare_and_swap(&val, 0, 1);
1664   sfaa(&val);
1665   return val;
1666 }
1667 EOF
1668   if ! compile_prog "" "" ; then
1669     QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1670   fi
1671 fi
1672
1673 #########################################
1674 # Solaris specific configure tool chain decisions
1675
1676 if test "$solaris" = "yes" ; then
1677   if has $install; then
1678     :
1679   else
1680     error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1681         "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1682         "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1683   fi
1684   if test "`path_of $install`" = "/usr/sbin/install" ; then
1685     error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1686         "try ginstall from the GNU fileutils available from www.blastwave.org" \
1687         "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1688   fi
1689   if has ar; then
1690     :
1691   else
1692     if test -f /usr/ccs/bin/ar ; then
1693       error_exit "No path includes ar" \
1694           "Add /usr/ccs/bin to your path and rerun configure"
1695     fi
1696     error_exit "No path includes ar"
1697   fi
1698 fi
1699
1700 if test -z "${target_list+xxx}" ; then
1701     target_list="$default_target_list"
1702 else
1703     target_list=`echo "$target_list" | sed -e 's/,/ /g'`
1704 fi
1705
1706 # Check that we recognised the target name; this allows a more
1707 # friendly error message than if we let it fall through.
1708 for target in $target_list; do
1709     case " $default_target_list " in
1710         *" $target "*)
1711             ;;
1712         *)
1713             error_exit "Unknown target name '$target'"
1714             ;;
1715     esac
1716 done
1717
1718 # see if system emulation was really requested
1719 case " $target_list " in
1720   *"-softmmu "*) softmmu=yes
1721   ;;
1722   *) softmmu=no
1723   ;;
1724 esac
1725
1726 feature_not_found() {
1727   feature=$1
1728   remedy=$2
1729
1730   error_exit "User requested feature $feature" \
1731       "configure was not able to find it." \
1732       "$remedy"
1733 }
1734
1735 # ---
1736 # big/little endian test
1737 cat > $TMPC << EOF
1738 short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1739 short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1740 extern int foo(short *, short *);
1741 int main(int argc, char *argv[]) {
1742     return foo(big_endian, little_endian);
1743 }
1744 EOF
1745
1746 if compile_object ; then
1747     if grep -q BiGeNdIaN $TMPO ; then
1748         bigendian="yes"
1749     elif grep -q LiTtLeEnDiAn $TMPO ; then
1750         bigendian="no"
1751     else
1752         echo big/little test failed
1753     fi
1754 else
1755     echo big/little test failed
1756 fi
1757
1758 ##########################################
1759 # L2TPV3 probe
1760
1761 cat > $TMPC <<EOF
1762 #include <sys/socket.h>
1763 #include <linux/ip.h>
1764 int main(void) { return sizeof(struct mmsghdr); }
1765 EOF
1766 if compile_prog "" "" ; then
1767   l2tpv3=yes
1768 else
1769   l2tpv3=no
1770 fi
1771
1772 ##########################################
1773 # pkg-config probe
1774
1775 if ! has "$pkg_config_exe"; then
1776   error_exit "pkg-config binary '$pkg_config_exe' not found"
1777 fi
1778
1779 ##########################################
1780 # NPTL probe
1781
1782 if test "$linux_user" = "yes"; then
1783   cat > $TMPC <<EOF
1784 #include <sched.h>
1785 #include <linux/futex.h>
1786 int main(void) {
1787 #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1788 #error bork
1789 #endif
1790   return 0;
1791 }
1792 EOF
1793   if ! compile_object ; then
1794     feature_not_found "nptl" "Install glibc and linux kernel headers."
1795   fi
1796 fi
1797
1798 ##########################################
1799 # zlib check
1800
1801 if test "$zlib" != "no" ; then
1802     cat > $TMPC << EOF
1803 #include <zlib.h>
1804 int main(void) { zlibVersion(); return 0; }
1805 EOF
1806     if compile_prog "" "-lz" ; then
1807         :
1808     else
1809         error_exit "zlib check failed" \
1810             "Make sure to have the zlib libs and headers installed."
1811     fi
1812 fi
1813 LIBS="$LIBS -lz"
1814
1815 ##########################################
1816 # lzo check
1817
1818 if test "$lzo" != "no" ; then
1819     cat > $TMPC << EOF
1820 #include <lzo/lzo1x.h>
1821 int main(void) { lzo_version(); return 0; }
1822 EOF
1823     if compile_prog "" "-llzo2" ; then
1824         libs_softmmu="$libs_softmmu -llzo2"
1825         lzo="yes"
1826     else
1827         if test "$lzo" = "yes"; then
1828             feature_not_found "liblzo2" "Install liblzo2 devel"
1829         fi
1830         lzo="no"
1831     fi
1832 fi
1833
1834 ##########################################
1835 # snappy check
1836
1837 if test "$snappy" != "no" ; then
1838     cat > $TMPC << EOF
1839 #include <snappy-c.h>
1840 int main(void) { snappy_max_compressed_length(4096); return 0; }
1841 EOF
1842     if compile_prog "" "-lsnappy" ; then
1843         libs_softmmu="$libs_softmmu -lsnappy"
1844         snappy="yes"
1845     else
1846         if test "$snappy" = "yes"; then
1847             feature_not_found "libsnappy" "Install libsnappy devel"
1848         fi
1849         snappy="no"
1850     fi
1851 fi
1852
1853 ##########################################
1854 # bzip2 check
1855
1856 if test "$bzip2" != "no" ; then
1857     cat > $TMPC << EOF
1858 #include <bzlib.h>
1859 int main(void) { BZ2_bzlibVersion(); return 0; }
1860 EOF
1861     if compile_prog "" "-lbz2" ; then
1862         bzip2="yes"
1863     else
1864         if test "$bzip2" = "yes"; then
1865             feature_not_found "libbzip2" "Install libbzip2 devel"
1866         fi
1867         bzip2="no"
1868     fi
1869 fi
1870
1871 ##########################################
1872 # libseccomp check
1873
1874 if test "$seccomp" != "no" ; then
1875     if test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
1876         $pkg_config --atleast-version=2.1.1 libseccomp; then
1877         libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
1878         QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
1879         seccomp="yes"
1880     else
1881         if test "$seccomp" = "yes"; then
1882             feature_not_found "libseccomp" "Install libseccomp devel >= 2.1.1"
1883         fi
1884         seccomp="no"
1885     fi
1886 fi
1887 ##########################################
1888 # xen probe
1889
1890 if test "$xen" != "no" ; then
1891   xen_libs="-lxenstore -lxenctrl -lxenguest"
1892
1893   # First we test whether Xen headers and libraries are available.
1894   # If no, we are done and there is no Xen support.
1895   # If yes, more tests are run to detect the Xen version.
1896
1897   # Xen (any)
1898   cat > $TMPC <<EOF
1899 #include <xenctrl.h>
1900 int main(void) {
1901   return 0;
1902 }
1903 EOF
1904   if ! compile_prog "" "$xen_libs" ; then
1905     # Xen not found
1906     if test "$xen" = "yes" ; then
1907       feature_not_found "xen" "Install xen devel"
1908     fi
1909     xen=no
1910
1911   # Xen unstable
1912   elif
1913       cat > $TMPC <<EOF &&
1914 #include <xenctrl.h>
1915 #include <xenstore.h>
1916 #include <stdint.h>
1917 #include <xen/hvm/hvm_info_table.h>
1918 #if !defined(HVM_MAX_VCPUS)
1919 # error HVM_MAX_VCPUS not defined
1920 #endif
1921 int main(void) {
1922   xc_interface *xc;
1923   xs_daemon_open();
1924   xc = xc_interface_open(0, 0, 0);
1925   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1926   xc_gnttab_open(NULL, 0);
1927   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1928   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1929   xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
1930   return 0;
1931 }
1932 EOF
1933       compile_prog "" "$xen_libs"
1934     then
1935     xen_ctrl_version=450
1936     xen=yes
1937
1938   elif
1939       cat > $TMPC <<EOF &&
1940 #include <xenctrl.h>
1941 #include <xenstore.h>
1942 #include <stdint.h>
1943 #include <xen/hvm/hvm_info_table.h>
1944 #if !defined(HVM_MAX_VCPUS)
1945 # error HVM_MAX_VCPUS not defined
1946 #endif
1947 int main(void) {
1948   xc_interface *xc;
1949   xs_daemon_open();
1950   xc = xc_interface_open(0, 0, 0);
1951   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1952   xc_gnttab_open(NULL, 0);
1953   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1954   xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1955   return 0;
1956 }
1957 EOF
1958       compile_prog "" "$xen_libs"
1959     then
1960     xen_ctrl_version=420
1961     xen=yes
1962
1963   elif
1964       cat > $TMPC <<EOF &&
1965 #include <xenctrl.h>
1966 #include <xs.h>
1967 #include <stdint.h>
1968 #include <xen/hvm/hvm_info_table.h>
1969 #if !defined(HVM_MAX_VCPUS)
1970 # error HVM_MAX_VCPUS not defined
1971 #endif
1972 int main(void) {
1973   xs_daemon_open();
1974   xc_interface_open(0, 0, 0);
1975   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1976   xc_gnttab_open(NULL, 0);
1977   xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1978   return 0;
1979 }
1980 EOF
1981       compile_prog "" "$xen_libs"
1982     then
1983     xen_ctrl_version=410
1984     xen=yes
1985
1986   # Xen 4.0.0
1987   elif
1988       cat > $TMPC <<EOF &&
1989 #include <xenctrl.h>
1990 #include <xs.h>
1991 #include <stdint.h>
1992 #include <xen/hvm/hvm_info_table.h>
1993 #if !defined(HVM_MAX_VCPUS)
1994 # error HVM_MAX_VCPUS not defined
1995 #endif
1996 int main(void) {
1997   struct xen_add_to_physmap xatp = {
1998     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
1999   };
2000   xs_daemon_open();
2001   xc_interface_open();
2002   xc_gnttab_open();
2003   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2004   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
2005   return 0;
2006 }
2007 EOF
2008       compile_prog "" "$xen_libs"
2009     then
2010     xen_ctrl_version=400
2011     xen=yes
2012
2013   # Xen 3.4.0
2014   elif
2015       cat > $TMPC <<EOF &&
2016 #include <xenctrl.h>
2017 #include <xs.h>
2018 int main(void) {
2019   struct xen_add_to_physmap xatp = {
2020     .domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
2021   };
2022   xs_daemon_open();
2023   xc_interface_open();
2024   xc_gnttab_open();
2025   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2026   xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
2027   return 0;
2028 }
2029 EOF
2030       compile_prog "" "$xen_libs"
2031     then
2032     xen_ctrl_version=340
2033     xen=yes
2034
2035   # Xen 3.3.0
2036   elif
2037       cat > $TMPC <<EOF &&
2038 #include <xenctrl.h>
2039 #include <xs.h>
2040 int main(void) {
2041   xs_daemon_open();
2042   xc_interface_open();
2043   xc_gnttab_open();
2044   xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2045   return 0;
2046 }
2047 EOF
2048       compile_prog "" "$xen_libs"
2049     then
2050     xen_ctrl_version=330
2051     xen=yes
2052
2053   # Xen version unsupported
2054   else
2055     if test "$xen" = "yes" ; then
2056       feature_not_found "xen (unsupported version)" "Install supported xen (e.g. 4.0, 3.4, 3.3)"
2057     fi
2058     xen=no
2059   fi
2060
2061   if test "$xen" = yes; then
2062     libs_softmmu="$xen_libs $libs_softmmu"
2063   fi
2064 fi
2065
2066 if test "$xen_pci_passthrough" != "no"; then
2067   if test "$xen" = "yes" && test "$linux" = "yes" &&
2068     test "$xen_ctrl_version" -ge 340; then
2069     xen_pci_passthrough=yes
2070   else
2071     if test "$xen_pci_passthrough" = "yes"; then
2072       if test "$xen_ctrl_version" -lt 340; then
2073         error_exit "User requested feature Xen PCI Passthrough" \
2074             "This feature does not work with Xen 3.3"
2075       fi
2076       error_exit "User requested feature Xen PCI Passthrough" \
2077           " but this feature requires /sys from Linux"
2078     fi
2079     xen_pci_passthrough=no
2080   fi
2081 fi
2082
2083 ##########################################
2084 # libtool probe
2085
2086 if ! has $libtool; then
2087     libtool=
2088 fi
2089
2090 # MacOSX ships with a libtool which isn't the GNU one; weed this
2091 # out by checking whether libtool supports the --version switch
2092 if test -n "$libtool"; then
2093   if ! "$libtool" --version >/dev/null 2>&1; then
2094     libtool=
2095   fi
2096 fi
2097
2098 ##########################################
2099 # Sparse probe
2100 if test "$sparse" != "no" ; then
2101   if has cgcc; then
2102     sparse=yes
2103   else
2104     if test "$sparse" = "yes" ; then
2105       feature_not_found "sparse" "Install sparse binary"
2106     fi
2107     sparse=no
2108   fi
2109 fi
2110
2111 ##########################################
2112 # X11 probe
2113 x11_cflags=
2114 x11_libs=-lX11
2115 if $pkg_config --exists "x11"; then
2116     x11_cflags=`$pkg_config --cflags x11`
2117     x11_libs=`$pkg_config --libs x11`
2118 fi
2119
2120 ##########################################
2121 # GTK probe
2122
2123 if test "$gtkabi" = ""; then
2124     # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2125     # Use 3.0 as a fallback if that is available.
2126     if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2127         gtkabi=2.0
2128     elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2129         gtkabi=3.0
2130     else
2131         gtkabi=2.0
2132     fi
2133 fi
2134
2135 if test "$gtk" != "no"; then
2136     gtkpackage="gtk+-$gtkabi"
2137     gtkx11package="gtk+-x11-$gtkabi"
2138     if test "$gtkabi" = "3.0" ; then
2139       gtkversion="3.0.0"
2140     else
2141       gtkversion="2.18.0"
2142     fi
2143     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2144         gtk_cflags=`$pkg_config --cflags $gtkpackage`
2145         gtk_libs=`$pkg_config --libs $gtkpackage`
2146         if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2147             gtk_cflags="$gtk_cflags $x11_cflags"
2148             gtk_libs="$gtk_libs $x11_libs"
2149         fi
2150         libs_softmmu="$gtk_libs $libs_softmmu"
2151         gtk="yes"
2152     elif test "$gtk" = "yes"; then
2153         feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2154     else
2155         gtk="no"
2156     fi
2157 fi
2158
2159 ##########################################
2160 # VTE probe
2161
2162 if test "$vte" != "no"; then
2163     if test "$gtkabi" = "3.0"; then
2164       vtepackage="vte-2.90"
2165       vteversion="0.32.0"
2166     else
2167       vtepackage="vte"
2168       vteversion="0.24.0"
2169     fi
2170     if $pkg_config --exists "$vtepackage >= $vteversion"; then
2171         vte_cflags=`$pkg_config --cflags $vtepackage`
2172         vte_libs=`$pkg_config --libs $vtepackage`
2173         libs_softmmu="$vte_libs $libs_softmmu"
2174         vte="yes"
2175     elif test "$vte" = "yes"; then
2176         if test "$gtkabi" = "3.0"; then
2177             feature_not_found "vte" "Install libvte-2.90 devel"
2178         else
2179             feature_not_found "vte" "Install libvte devel"
2180         fi
2181     else
2182         vte="no"
2183     fi
2184 fi
2185
2186 ##########################################
2187 # SDL probe
2188
2189 # Look for sdl configuration program (pkg-config or sdl-config).  Try
2190 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2191
2192 if test $sdlabi = "2.0"; then
2193     sdl_config=$sdl2_config
2194     sdlname=sdl2
2195     sdlconfigname=sdl2_config
2196 else
2197     sdlname=sdl
2198     sdlconfigname=sdl_config
2199 fi
2200
2201 if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
2202   sdl_config=$sdlconfigname
2203 fi
2204
2205 if $pkg_config $sdlname --exists; then
2206   sdlconfig="$pkg_config $sdlname"
2207   _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
2208 elif has ${sdl_config}; then
2209   sdlconfig="$sdl_config"
2210   _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
2211 else
2212   if test "$sdl" = "yes" ; then
2213     feature_not_found "sdl" "Install SDL devel"
2214   fi
2215   sdl=no
2216 fi
2217 if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2218   echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2219 fi
2220
2221 sdl_too_old=no
2222 if test "$sdl" != "no" ; then
2223   cat > $TMPC << EOF
2224 #include <SDL.h>
2225 #undef main /* We don't want SDL to override our main() */
2226 int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2227 EOF
2228   sdl_cflags=`$sdlconfig --cflags 2> /dev/null`
2229   if test "$static" = "yes" ; then
2230     sdl_libs=`$sdlconfig --static-libs 2>/dev/null`
2231   else
2232     sdl_libs=`$sdlconfig --libs 2> /dev/null`
2233   fi
2234   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2235     if test "$_sdlversion" -lt 121 ; then
2236       sdl_too_old=yes
2237     else
2238       if test "$cocoa" = "no" ; then
2239         sdl=yes
2240       fi
2241     fi
2242
2243     # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2244     if test "$sdl" = "yes" -a "$static" = "yes" ; then
2245       if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2246          sdl_libs="$sdl_libs `aalib-config --static-libs 2>/dev/null`"
2247          sdl_cflags="$sdl_cflags `aalib-config --cflags 2>/dev/null`"
2248       fi
2249       if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2250         :
2251       else
2252         sdl=no
2253       fi
2254     fi # static link
2255   else # sdl not found
2256     if test "$sdl" = "yes" ; then
2257       feature_not_found "sdl" "Install SDL devel"
2258     fi
2259     sdl=no
2260   fi # sdl compile test
2261 fi
2262
2263 if test "$sdl" = "yes" ; then
2264   cat > $TMPC <<EOF
2265 #include <SDL.h>
2266 #if defined(SDL_VIDEO_DRIVER_X11)
2267 #include <X11/XKBlib.h>
2268 #else
2269 #error No x11 support
2270 #endif
2271 int main(void) { return 0; }
2272 EOF
2273   if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2274     sdl_cflags="$sdl_cflags $x11_cflags"
2275     sdl_libs="$sdl_libs $x11_libs"
2276   fi
2277   libs_softmmu="$sdl_libs $libs_softmmu"
2278 fi
2279
2280 ##########################################
2281 # RDMA needs OpenFabrics libraries
2282 if test "$rdma" != "no" ; then
2283   cat > $TMPC <<EOF
2284 #include <rdma/rdma_cma.h>
2285 int main(void) { return 0; }
2286 EOF
2287   rdma_libs="-lrdmacm -libverbs"
2288   if compile_prog "" "$rdma_libs" ; then
2289     rdma="yes"
2290     libs_softmmu="$libs_softmmu $rdma_libs"
2291   else
2292     if test "$rdma" = "yes" ; then
2293         error_exit \
2294             " OpenFabrics librdmacm/libibverbs not present." \
2295             " Your options:" \
2296             "  (1) Fast: Install infiniband packages from your distro." \
2297             "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2298             "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2299     fi
2300     rdma="no"
2301   fi
2302 fi
2303
2304 ##########################################
2305 # VNC TLS/WS detection
2306 if test "$vnc" = "yes" -a \( "$vnc_tls" != "no" -o "$vnc_ws" != "no" \) ; then
2307   cat > $TMPC <<EOF
2308 #include <gnutls/gnutls.h>
2309 int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; }
2310 EOF
2311   vnc_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2312   vnc_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2313   if compile_prog "$vnc_tls_cflags" "$vnc_tls_libs" ; then
2314     if test "$vnc_tls" != "no" ; then
2315       vnc_tls=yes
2316     fi
2317     if test "$vnc_ws" != "no" ; then
2318       vnc_ws=yes
2319     fi
2320     libs_softmmu="$vnc_tls_libs $libs_softmmu"
2321     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_tls_cflags"
2322   else
2323     if test "$vnc_tls" = "yes" ; then
2324       feature_not_found "vnc-tls" "Install gnutls devel"
2325     fi
2326     if test "$vnc_ws" = "yes" ; then
2327       feature_not_found "vnc-ws" "Install gnutls devel"
2328     fi
2329     vnc_tls=no
2330     vnc_ws=no
2331   fi
2332 fi
2333
2334 ##########################################
2335 # Quorum probe (check for gnutls)
2336 if test "$quorum" != "no" ; then
2337 cat > $TMPC <<EOF
2338 #include <gnutls/gnutls.h>
2339 #include <gnutls/crypto.h>
2340 int main(void) {char data[4096], digest[32];
2341 gnutls_hash_fast(GNUTLS_DIG_SHA256, data, 4096, digest);
2342 return 0;
2343 }
2344 EOF
2345 quorum_tls_cflags=`$pkg_config --cflags gnutls 2> /dev/null`
2346 quorum_tls_libs=`$pkg_config --libs gnutls 2> /dev/null`
2347 if compile_prog "$quorum_tls_cflags" "$quorum_tls_libs" ; then
2348   qcow_tls=yes
2349   libs_softmmu="$quorum_tls_libs $libs_softmmu"
2350   libs_tools="$quorum_tls_libs $libs_softmmu"
2351   QEMU_CFLAGS="$QEMU_CFLAGS $quorum_tls_cflags"
2352   quorum="yes"
2353 else
2354   if test "$quorum" = "yes"; then
2355     feature_not_found "gnutls" "gnutls > 2.10.0 required to compile Quorum"
2356   fi
2357   quorum="no"
2358 fi
2359 fi
2360
2361 ##########################################
2362 # VNC SASL detection
2363 if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2364   cat > $TMPC <<EOF
2365 #include <sasl/sasl.h>
2366 #include <stdio.h>
2367 int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2368 EOF
2369   # Assuming Cyrus-SASL installed in /usr prefix
2370   vnc_sasl_cflags=""
2371   vnc_sasl_libs="-lsasl2"
2372   if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2373     vnc_sasl=yes
2374     libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2375     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2376   else
2377     if test "$vnc_sasl" = "yes" ; then
2378       feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2379     fi
2380     vnc_sasl=no
2381   fi
2382 fi
2383
2384 ##########################################
2385 # VNC JPEG detection
2386 if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2387 cat > $TMPC <<EOF
2388 #include <stdio.h>
2389 #include <jpeglib.h>
2390 int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2391 EOF
2392     vnc_jpeg_cflags=""
2393     vnc_jpeg_libs="-ljpeg"
2394   if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2395     vnc_jpeg=yes
2396     libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2397     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2398   else
2399     if test "$vnc_jpeg" = "yes" ; then
2400       feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2401     fi
2402     vnc_jpeg=no
2403   fi
2404 fi
2405
2406 ##########################################
2407 # VNC PNG detection
2408 if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2409 cat > $TMPC <<EOF
2410 //#include <stdio.h>
2411 #include <png.h>
2412 #include <stddef.h>
2413 int main(void) {
2414     png_structp png_ptr;
2415     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2416     return png_ptr != 0;
2417 }
2418 EOF
2419   if $pkg_config libpng --exists; then
2420     vnc_png_cflags=`$pkg_config libpng --cflags`
2421     vnc_png_libs=`$pkg_config libpng --libs`
2422   else
2423     vnc_png_cflags=""
2424     vnc_png_libs="-lpng"
2425   fi
2426   if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2427     vnc_png=yes
2428     libs_softmmu="$vnc_png_libs $libs_softmmu"
2429     QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2430   else
2431     if test "$vnc_png" = "yes" ; then
2432       feature_not_found "vnc-png" "Install libpng devel"
2433     fi
2434     vnc_png=no
2435   fi
2436 fi
2437
2438 ##########################################
2439 # fnmatch() probe, used for ACL routines
2440 fnmatch="no"
2441 cat > $TMPC << EOF
2442 #include <fnmatch.h>
2443 int main(void)
2444 {
2445     fnmatch("foo", "foo", 0);
2446     return 0;
2447 }
2448 EOF
2449 if compile_prog "" "" ; then
2450    fnmatch="yes"
2451 fi
2452
2453 ##########################################
2454 # uuid_generate() probe, used for vdi block driver
2455 # Note that on some systems (notably MacOSX) no extra library
2456 # need be linked to get the uuid functions.
2457 if test "$uuid" != "no" ; then
2458   uuid_libs="-luuid"
2459   cat > $TMPC << EOF
2460 #include <uuid/uuid.h>
2461 int main(void)
2462 {
2463     uuid_t my_uuid;
2464     uuid_generate(my_uuid);
2465     return 0;
2466 }
2467 EOF
2468   if compile_prog "" "" ; then
2469     uuid="yes"
2470   elif compile_prog "" "$uuid_libs" ; then
2471     uuid="yes"
2472     libs_softmmu="$uuid_libs $libs_softmmu"
2473     libs_tools="$uuid_libs $libs_tools"
2474   else
2475     if test "$uuid" = "yes" ; then
2476       feature_not_found "uuid" "Install libuuid devel"
2477     fi
2478     uuid=no
2479   fi
2480 fi
2481
2482 if test "$vhdx" = "yes" ; then
2483     if test "$uuid" = "no" ; then
2484         error_exit "uuid required for VHDX support"
2485     fi
2486 elif test "$vhdx" != "no" ; then
2487     if test "$uuid" = "yes" ; then
2488         vhdx=yes
2489     else
2490         vhdx=no
2491     fi
2492 fi
2493
2494 ##########################################
2495 # xfsctl() probe, used for raw-posix
2496 if test "$xfs" != "no" ; then
2497   cat > $TMPC << EOF
2498 #include <stddef.h>  /* NULL */
2499 #include <xfs/xfs.h>
2500 int main(void)
2501 {
2502     xfsctl(NULL, 0, 0, NULL);
2503     return 0;
2504 }
2505 EOF
2506   if compile_prog "" "" ; then
2507     xfs="yes"
2508   else
2509     if test "$xfs" = "yes" ; then
2510       feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2511     fi
2512     xfs=no
2513   fi
2514 fi
2515
2516 ##########################################
2517 # vde libraries probe
2518 if test "$vde" != "no" ; then
2519   vde_libs="-lvdeplug"
2520   cat > $TMPC << EOF
2521 #include <libvdeplug.h>
2522 int main(void)
2523 {
2524     struct vde_open_args a = {0, 0, 0};
2525     char s[] = "";
2526     vde_open(s, s, &a);
2527     return 0;
2528 }
2529 EOF
2530   if compile_prog "" "$vde_libs" ; then
2531     vde=yes
2532     libs_softmmu="$vde_libs $libs_softmmu"
2533     libs_tools="$vde_libs $libs_tools"
2534   else
2535     if test "$vde" = "yes" ; then
2536       feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2537     fi
2538     vde=no
2539   fi
2540 fi
2541
2542 ##########################################
2543 # netmap support probe
2544 # Apart from looking for netmap headers, we make sure that the host API version
2545 # supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2546 # a minor/major version number. Minor new features will be marked with values up
2547 # to 15, and if something happens that requires a change to the backend we will
2548 # move above 15, submit the backend fixes and modify this two bounds.
2549 if test "$netmap" != "no" ; then
2550   cat > $TMPC << EOF
2551 #include <inttypes.h>
2552 #include <net/if.h>
2553 #include <net/netmap.h>
2554 #include <net/netmap_user.h>
2555 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2556 #error
2557 #endif
2558 int main(void) { return 0; }
2559 EOF
2560   if compile_prog "" "" ; then
2561     netmap=yes
2562   else
2563     if test "$netmap" = "yes" ; then
2564       feature_not_found "netmap"
2565     fi
2566     netmap=no
2567   fi
2568 fi
2569
2570 ##########################################
2571 # libcap-ng library probe
2572 if test "$cap_ng" != "no" ; then
2573   cap_libs="-lcap-ng"
2574   cat > $TMPC << EOF
2575 #include <cap-ng.h>
2576 int main(void)
2577 {
2578     capng_capability_to_name(CAPNG_EFFECTIVE);
2579     return 0;
2580 }
2581 EOF
2582   if compile_prog "" "$cap_libs" ; then
2583     cap_ng=yes
2584     libs_tools="$cap_libs $libs_tools"
2585   else
2586     if test "$cap_ng" = "yes" ; then
2587       feature_not_found "cap_ng" "Install libcap-ng devel"
2588     fi
2589     cap_ng=no
2590   fi
2591 fi
2592
2593 ##########################################
2594 # Sound support libraries probe
2595
2596 audio_drv_probe()
2597 {
2598     drv=$1
2599     hdr=$2
2600     lib=$3
2601     exp=$4
2602     cfl=$5
2603         cat > $TMPC << EOF
2604 #include <$hdr>
2605 int main(void) { $exp }
2606 EOF
2607     if compile_prog "$cfl" "$lib" ; then
2608         :
2609     else
2610         error_exit "$drv check failed" \
2611             "Make sure to have the $drv libs and headers installed."
2612     fi
2613 }
2614
2615 audio_drv_list=`echo "$audio_drv_list" | sed -e 's/,/ /g'`
2616 for drv in $audio_drv_list; do
2617     case $drv in
2618     alsa)
2619     audio_drv_probe $drv alsa/asoundlib.h -lasound \
2620         "return snd_pcm_close((snd_pcm_t *)0);"
2621     libs_softmmu="-lasound $libs_softmmu"
2622     ;;
2623
2624     fmod)
2625     if test -z $fmod_lib || test -z $fmod_inc; then
2626         error_exit "You must specify path to FMOD library and headers" \
2627             "Example: --fmod-inc=/path/include/fmod --fmod-lib=/path/lib/libfmod-3.74.so"
2628     fi
2629     audio_drv_probe $drv fmod.h $fmod_lib "return FSOUND_GetVersion();" "-I $fmod_inc"
2630     libs_softmmu="$fmod_lib $libs_softmmu"
2631     ;;
2632
2633     esd)
2634     audio_drv_probe $drv esd.h -lesd 'return esd_play_stream(0, 0, "", 0);'
2635     libs_softmmu="-lesd $libs_softmmu"
2636     audio_pt_int="yes"
2637     ;;
2638
2639     pa)
2640     audio_drv_probe $drv pulse/mainloop.h "-lpulse" \
2641         "pa_mainloop *m = 0; pa_mainloop_free (m); return 0;"
2642     libs_softmmu="-lpulse $libs_softmmu"
2643     audio_pt_int="yes"
2644     ;;
2645
2646     coreaudio)
2647       libs_softmmu="-framework CoreAudio $libs_softmmu"
2648     ;;
2649
2650     dsound)
2651       libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2652       audio_win_int="yes"
2653     ;;
2654
2655     oss)
2656       libs_softmmu="$oss_lib $libs_softmmu"
2657     ;;
2658
2659     sdl|wav)
2660     # XXX: Probes for CoreAudio, DirectSound, SDL(?)
2661     ;;
2662
2663     winwave)
2664       libs_softmmu="-lwinmm $libs_softmmu"
2665       audio_win_int="yes"
2666     ;;
2667
2668     *)
2669     echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2670         error_exit "Unknown driver '$drv' selected" \
2671             "Possible drivers are: $audio_possible_drivers"
2672     }
2673     ;;
2674     esac
2675 done
2676
2677 ##########################################
2678 # BrlAPI probe
2679
2680 if test "$brlapi" != "no" ; then
2681   brlapi_libs="-lbrlapi"
2682   cat > $TMPC << EOF
2683 #include <brlapi.h>
2684 #include <stddef.h>
2685 int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2686 EOF
2687   if compile_prog "" "$brlapi_libs" ; then
2688     brlapi=yes
2689     libs_softmmu="$brlapi_libs $libs_softmmu"
2690   else
2691     if test "$brlapi" = "yes" ; then
2692       feature_not_found "brlapi" "Install brlapi devel"
2693     fi
2694     brlapi=no
2695   fi
2696 fi
2697
2698 ##########################################
2699 # curses probe
2700 if test "$curses" != "no" ; then
2701   if test "$mingw32" = "yes" ; then
2702     curses_list="-lpdcurses"
2703   else
2704     curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
2705   fi
2706   curses_found=no
2707   cat > $TMPC << EOF
2708 #include <curses.h>
2709 int main(void) {
2710   const char *s = curses_version();
2711   resize_term(0, 0);
2712   return s != 0;
2713 }
2714 EOF
2715   IFS=:
2716   for curses_lib in $curses_list; do
2717     unset IFS
2718     if compile_prog "" "$curses_lib" ; then
2719       curses_found=yes
2720       libs_softmmu="$curses_lib $libs_softmmu"
2721       break
2722     fi
2723   done
2724   unset IFS
2725   if test "$curses_found" = "yes" ; then
2726     curses=yes
2727   else
2728     if test "$curses" = "yes" ; then
2729       feature_not_found "curses" "Install ncurses devel"
2730     fi
2731     curses=no
2732   fi
2733 fi
2734
2735 ##########################################
2736 # curl probe
2737 if test "$curl" != "no" ; then
2738   if $pkg_config libcurl --exists; then
2739     curlconfig="$pkg_config libcurl"
2740   else
2741     curlconfig=curl-config
2742   fi
2743   cat > $TMPC << EOF
2744 #include <curl/curl.h>
2745 int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
2746 EOF
2747   curl_cflags=`$curlconfig --cflags 2>/dev/null`
2748   curl_libs=`$curlconfig --libs 2>/dev/null`
2749   if compile_prog "$curl_cflags" "$curl_libs" ; then
2750     curl=yes
2751   else
2752     if test "$curl" = "yes" ; then
2753       feature_not_found "curl" "Install libcurl devel"
2754     fi
2755     curl=no
2756   fi
2757 fi # test "$curl"
2758
2759 ##########################################
2760 # bluez support probe
2761 if test "$bluez" != "no" ; then
2762   cat > $TMPC << EOF
2763 #include <bluetooth/bluetooth.h>
2764 int main(void) { return bt_error(0); }
2765 EOF
2766   bluez_cflags=`$pkg_config --cflags bluez 2> /dev/null`
2767   bluez_libs=`$pkg_config --libs bluez 2> /dev/null`
2768   if compile_prog "$bluez_cflags" "$bluez_libs" ; then
2769     bluez=yes
2770     libs_softmmu="$bluez_libs $libs_softmmu"
2771   else
2772     if test "$bluez" = "yes" ; then
2773       feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
2774     fi
2775     bluez="no"
2776   fi
2777 fi
2778
2779 ##########################################
2780 # glib support probe
2781
2782 glib_req_ver=2.22
2783 glib_modules=gthread-2.0
2784 if test "$modules" = yes; then
2785     glib_modules="$glib_modules gmodule-2.0"
2786 fi
2787
2788 for i in $glib_modules; do
2789     if $pkg_config --atleast-version=$glib_req_ver $i; then
2790         glib_cflags=`$pkg_config --cflags $i`
2791         glib_libs=`$pkg_config --libs $i`
2792         CFLAGS="$glib_cflags $CFLAGS"
2793         LIBS="$glib_libs $LIBS"
2794         libs_qga="$glib_libs $libs_qga"
2795     else
2796         error_exit "glib-$glib_req_ver $i is required to compile QEMU"
2797     fi
2798 done
2799
2800 # g_test_trap_subprocess added in 2.38. Used by some tests.
2801 glib_subprocess=yes
2802 if ! $pkg_config --atleast-version=2.38 glib-2.0; then
2803     glib_subprocess=no
2804 fi
2805
2806 # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
2807 cat > $TMPC << EOF
2808 #include <glib.h>
2809 int main(void) { return 0; }
2810 EOF
2811 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
2812     if cc_has_warning_flag "-Wno-unknown-attributes"; then
2813         glib_cflags="-Wno-unknown-attributes $glib_cflags"
2814         CFLAGS="-Wno-unknown-attributes $CFLAGS"
2815     fi
2816 fi
2817
2818 ##########################################
2819 # SHA command probe for modules
2820 if test "$modules" = yes; then
2821     shacmd_probe="sha1sum sha1 shasum"
2822     for c in $shacmd_probe; do
2823         if has $c; then
2824             shacmd="$c"
2825             break
2826         fi
2827     done
2828     if test "$shacmd" = ""; then
2829         error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
2830     fi
2831 fi
2832
2833 ##########################################
2834 # pixman support probe
2835
2836 if test "$pixman" = ""; then
2837   if test "$want_tools" = "no" -a "$softmmu" = "no"; then
2838     pixman="none"
2839   elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
2840     pixman="system"
2841   else
2842     pixman="internal"
2843   fi
2844 fi
2845 if test "$pixman" = "none"; then
2846   if test "$want_tools" != "no" -o "$softmmu" != "no"; then
2847     error_exit "pixman disabled but system emulation or tools build" \
2848         "enabled.  You can turn off pixman only if you also" \
2849         "disable all system emulation targets and the tools" \
2850         "build with '--disable-tools --disable-system'."
2851   fi
2852   pixman_cflags=
2853   pixman_libs=
2854 elif test "$pixman" = "system"; then
2855   # pixman version has been checked above
2856   pixman_cflags=`$pkg_config --cflags pixman-1`
2857   pixman_libs=`$pkg_config --libs pixman-1`
2858 else
2859   if test ! -d ${source_path}/pixman/pixman; then
2860     error_exit "pixman >= 0.21.8 not present. Your options:" \
2861         "  (1) Preferred: Install the pixman devel package (any recent" \
2862         "      distro should have packages as Xorg needs pixman too)." \
2863         "  (2) Fetch the pixman submodule, using:" \
2864         "      git submodule update --init pixman"
2865   fi
2866   mkdir -p pixman/pixman
2867   pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
2868   pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
2869 fi
2870
2871 ##########################################
2872 # libcap probe
2873
2874 if test "$cap" != "no" ; then
2875   cat > $TMPC <<EOF
2876 #include <stdio.h>
2877 #include <sys/capability.h>
2878 int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
2879 EOF
2880   if compile_prog "" "-lcap" ; then
2881     cap=yes
2882   else
2883     cap=no
2884   fi
2885 fi
2886
2887 ##########################################
2888 # pthread probe
2889 PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
2890
2891 pthread=no
2892 cat > $TMPC << EOF
2893 #include <pthread.h>
2894 static void *f(void *p) { return NULL; }
2895 int main(void) {
2896   pthread_t thread;
2897   pthread_create(&thread, 0, f, 0);
2898   return 0;
2899 }
2900 EOF
2901 if compile_prog "" "" ; then
2902   pthread=yes
2903 else
2904   for pthread_lib in $PTHREADLIBS_LIST; do
2905     if compile_prog "" "$pthread_lib" ; then
2906       pthread=yes
2907       found=no
2908       for lib_entry in $LIBS; do
2909         if test "$lib_entry" = "$pthread_lib"; then
2910           found=yes
2911           break
2912         fi
2913       done
2914       if test "$found" = "no"; then
2915         LIBS="$pthread_lib $LIBS"
2916       fi
2917       break
2918     fi
2919   done
2920 fi
2921
2922 if test "$mingw32" != yes -a "$pthread" = no; then
2923   error_exit "pthread check failed" \
2924       "Make sure to have the pthread libs and headers installed."
2925 fi
2926
2927 # check for pthread_setname_np
2928 pthread_setname_np=no
2929 cat > $TMPC << EOF
2930 #include <pthread.h>
2931
2932 static void *f(void *p) { return NULL; }
2933 int main(void)
2934 {
2935     pthread_t thread;
2936     pthread_create(&thread, 0, f, 0);
2937     pthread_setname_np(thread, "QEMU");
2938     return 0;
2939 }
2940 EOF
2941 if compile_prog "" "$pthread_lib" ; then
2942   pthread_setname_np=yes
2943 fi
2944
2945 ##########################################
2946 # rbd probe
2947 if test "$rbd" != "no" ; then
2948   cat > $TMPC <<EOF
2949 #include <stdio.h>
2950 #include <rbd/librbd.h>
2951 int main(void) {
2952     rados_t cluster;
2953     rados_create(&cluster, NULL);
2954     return 0;
2955 }
2956 EOF
2957   rbd_libs="-lrbd -lrados"
2958   if compile_prog "" "$rbd_libs" ; then
2959     rbd=yes
2960   else
2961     if test "$rbd" = "yes" ; then
2962       feature_not_found "rados block device" "Install librbd/ceph devel"
2963     fi
2964     rbd=no
2965   fi
2966 fi
2967
2968 ##########################################
2969 # libssh2 probe
2970 min_libssh2_version=1.2.8
2971 if test "$libssh2" != "no" ; then
2972   if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
2973     libssh2_cflags=`$pkg_config libssh2 --cflags`
2974     libssh2_libs=`$pkg_config libssh2 --libs`
2975     libssh2=yes
2976   else
2977     if test "$libssh2" = "yes" ; then
2978       error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
2979     fi
2980     libssh2=no
2981   fi
2982 fi
2983
2984 ##########################################
2985 # libssh2_sftp_fsync probe
2986
2987 if test "$libssh2" = "yes"; then
2988   cat > $TMPC <<EOF
2989 #include <stdio.h>
2990 #include <libssh2.h>
2991 #include <libssh2_sftp.h>
2992 int main(void) {
2993     LIBSSH2_SESSION *session;
2994     LIBSSH2_SFTP *sftp;
2995     LIBSSH2_SFTP_HANDLE *sftp_handle;
2996     session = libssh2_session_init ();
2997     sftp = libssh2_sftp_init (session);
2998     sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
2999     libssh2_sftp_fsync (sftp_handle);
3000     return 0;
3001 }
3002 EOF
3003   # libssh2_cflags/libssh2_libs defined in previous test.
3004   if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3005     QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3006   fi
3007 fi
3008
3009 ##########################################
3010 # linux-aio probe
3011
3012 if test "$linux_aio" != "no" ; then
3013   cat > $TMPC <<EOF
3014 #include <libaio.h>
3015 #include <sys/eventfd.h>
3016 #include <stddef.h>
3017 int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3018 EOF
3019   if compile_prog "" "-laio" ; then
3020     linux_aio=yes
3021   else
3022     if test "$linux_aio" = "yes" ; then
3023       feature_not_found "linux AIO" "Install libaio devel"
3024     fi
3025     linux_aio=no
3026   fi
3027 fi
3028
3029 ##########################################
3030 # TPM passthrough is only on x86 Linux
3031
3032 if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3033   tpm_passthrough=$tpm
3034 else
3035   tpm_passthrough=no
3036 fi
3037
3038 ##########################################
3039 # attr probe
3040
3041 if test "$attr" != "no" ; then
3042   cat > $TMPC <<EOF
3043 #include <stdio.h>
3044 #include <sys/types.h>
3045 #ifdef CONFIG_LIBATTR
3046 #include <attr/xattr.h>
3047 #else
3048 #include <sys/xattr.h>
3049 #endif
3050 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3051 EOF
3052   if compile_prog "" "" ; then
3053     attr=yes
3054   # Older distros have <attr/xattr.h>, and need -lattr:
3055   elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3056     attr=yes
3057     LIBS="-lattr $LIBS"
3058     libattr=yes
3059   else
3060     if test "$attr" = "yes" ; then
3061       feature_not_found "ATTR" "Install libc6 or libattr devel"
3062     fi
3063     attr=no
3064   fi
3065 fi
3066
3067 ##########################################
3068 # iovec probe
3069 cat > $TMPC <<EOF
3070 #include <sys/types.h>
3071 #include <sys/uio.h>
3072 #include <unistd.h>
3073 int main(void) { return sizeof(struct iovec); }
3074 EOF
3075 iovec=no
3076 if compile_prog "" "" ; then
3077   iovec=yes
3078 fi
3079
3080 ##########################################
3081 # preadv probe
3082 cat > $TMPC <<EOF
3083 #include <sys/types.h>
3084 #include <sys/uio.h>
3085 #include <unistd.h>
3086 int main(void) { return preadv(0, 0, 0, 0); }
3087 EOF
3088 preadv=no
3089 if compile_prog "" "" ; then
3090   preadv=yes
3091 fi
3092
3093 ##########################################
3094 # fdt probe
3095 # fdt support is mandatory for at least some target architectures,
3096 # so insist on it if we're building those system emulators.
3097 fdt_required=no
3098 for target in $target_list; do
3099   case $target in
3100     aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
3101       fdt_required=yes
3102     ;;
3103   esac
3104 done
3105
3106 if test "$fdt_required" = "yes"; then
3107   if test "$fdt" = "no"; then
3108     error_exit "fdt disabled but some requested targets require it." \
3109       "You can turn off fdt only if you also disable all the system emulation" \
3110       "targets which need it (by specifying a cut down --target-list)."
3111   fi
3112   fdt=yes
3113 fi
3114
3115 if test "$fdt" != "no" ; then
3116   fdt_libs="-lfdt"
3117   # explicitly check for libfdt_env.h as it is missing in some stable installs
3118   # and test for required functions to make sure we are on a version >= 1.4.0
3119   cat > $TMPC << EOF
3120 #include <libfdt.h>
3121 #include <libfdt_env.h>
3122 int main(void) { fdt_get_property_by_offset(0, 0, 0); return 0; }
3123 EOF
3124   if compile_prog "" "$fdt_libs" ; then
3125     # system DTC is good - use it
3126     fdt=yes
3127   elif test -d ${source_path}/dtc/libfdt ; then
3128     # have submodule DTC - use it
3129     fdt=yes
3130     dtc_internal="yes"
3131     mkdir -p dtc
3132     if [ "$pwd_is_source_path" != "y" ] ; then
3133        symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3134        symlink "$source_path/dtc/scripts" "dtc/scripts"
3135     fi
3136     fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3137     fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3138   elif test "$fdt" = "yes" ; then
3139     # have neither and want - prompt for system/submodule install
3140     error_exit "DTC (libfdt) version >= 1.4.0 not present. Your options:" \
3141         "  (1) Preferred: Install the DTC (libfdt) devel package" \
3142         "  (2) Fetch the DTC submodule, using:" \
3143         "      git submodule update --init dtc"
3144   else
3145     # don't have and don't want
3146     fdt_libs=
3147     fdt=no
3148   fi
3149 fi
3150
3151 libs_softmmu="$libs_softmmu $fdt_libs"
3152
3153 ##########################################
3154 # opengl probe (for sdl2, milkymist-tmu2)
3155
3156 # GLX probe, used by milkymist-tmu2
3157 # this is temporary, code will be switched to egl mid-term.
3158 cat > $TMPC << EOF
3159 #include <X11/Xlib.h>
3160 #include <GL/gl.h>
3161 #include <GL/glx.h>
3162 int main(void) { glBegin(0); glXQueryVersion(0,0,0); return 0; }
3163 EOF
3164 if compile_prog "" "-lGL -lX11" ; then
3165   have_glx=yes
3166 else
3167   have_glx=no
3168 fi
3169
3170 if test "$opengl" != "no" ; then
3171   opengl_pkgs="gl glesv2 epoxy egl"
3172   if $pkg_config $opengl_pkgs x11 && test "$have_glx" = "yes"; then
3173     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3174     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3175     opengl=yes
3176   else
3177     if test "$opengl" = "yes" ; then
3178       feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3179     fi
3180     opengl_cflags=""
3181     opengl_libs=""
3182     opengl=no
3183   fi
3184 fi
3185
3186
3187 ##########################################
3188 # archipelago probe
3189 if test "$archipelago" != "no" ; then
3190     cat > $TMPC <<EOF
3191 #include <stdio.h>
3192 #include <xseg/xseg.h>
3193 #include <xseg/protocol.h>
3194 int main(void) {
3195     xseg_initialize();
3196     return 0;
3197 }
3198 EOF
3199     archipelago_libs=-lxseg
3200     if compile_prog "" "$archipelago_libs"; then
3201         archipelago="yes"
3202         libs_tools="$archipelago_libs $libs_tools"
3203         libs_softmmu="$archipelago_libs $libs_softmmu"
3204
3205         echo "WARNING: Please check the licenses of QEMU and libxseg carefully."
3206         echo "GPLv3 versions of libxseg may not be compatible with QEMU's"
3207         echo "license and therefore prevent redistribution."
3208         echo
3209         echo "To disable Archipelago, use --disable-archipelago"
3210     else
3211       if test "$archipelago" = "yes" ; then
3212         feature_not_found "Archipelago backend support" "Install libxseg devel"
3213       fi
3214       archipelago="no"
3215     fi
3216 fi
3217
3218
3219 ##########################################
3220 # glusterfs probe
3221 if test "$glusterfs" != "no" ; then
3222   if $pkg_config --atleast-version=3 glusterfs-api; then
3223     glusterfs="yes"
3224     glusterfs_cflags=`$pkg_config --cflags glusterfs-api`
3225     glusterfs_libs=`$pkg_config --libs glusterfs-api`
3226     if $pkg_config --atleast-version=5 glusterfs-api; then
3227       glusterfs_discard="yes"
3228     fi
3229     if $pkg_config --atleast-version=6 glusterfs-api; then
3230       glusterfs_zerofill="yes"
3231     fi
3232   else
3233     if test "$glusterfs" = "yes" ; then
3234       feature_not_found "GlusterFS backend support" \
3235           "Install glusterfs-api devel >= 3"
3236     fi
3237     glusterfs="no"
3238   fi
3239 fi
3240
3241 # Check for inotify functions when we are building linux-user
3242 # emulator.  This is done because older glibc versions don't
3243 # have syscall stubs for these implemented.  In that case we
3244 # don't provide them even if kernel supports them.
3245 #
3246 inotify=no
3247 cat > $TMPC << EOF
3248 #include <sys/inotify.h>
3249
3250 int
3251 main(void)
3252 {
3253         /* try to start inotify */
3254         return inotify_init();
3255 }
3256 EOF
3257 if compile_prog "" "" ; then
3258   inotify=yes
3259 fi
3260
3261 inotify1=no
3262 cat > $TMPC << EOF
3263 #include <sys/inotify.h>
3264
3265 int
3266 main(void)
3267 {
3268     /* try to start inotify */
3269     return inotify_init1(0);
3270 }
3271 EOF
3272 if compile_prog "" "" ; then
3273   inotify1=yes
3274 fi
3275
3276 # check if utimensat and futimens are supported
3277 utimens=no
3278 cat > $TMPC << EOF
3279 #define _ATFILE_SOURCE
3280 #include <stddef.h>
3281 #include <fcntl.h>
3282 #include <sys/stat.h>
3283
3284 int main(void)
3285 {
3286     utimensat(AT_FDCWD, "foo", NULL, 0);
3287     futimens(0, NULL);
3288     return 0;
3289 }
3290 EOF
3291 if compile_prog "" "" ; then
3292   utimens=yes
3293 fi
3294
3295 # check if pipe2 is there
3296 pipe2=no
3297 cat > $TMPC << EOF
3298 #include <unistd.h>
3299 #include <fcntl.h>
3300
3301 int main(void)
3302 {
3303     int pipefd[2];
3304     return pipe2(pipefd, O_CLOEXEC);
3305 }
3306 EOF
3307 if compile_prog "" "" ; then
3308   pipe2=yes
3309 fi
3310
3311 # check if accept4 is there
3312 accept4=no
3313 cat > $TMPC << EOF
3314 #include <sys/socket.h>
3315 #include <stddef.h>
3316
3317 int main(void)
3318 {
3319     accept4(0, NULL, NULL, SOCK_CLOEXEC);
3320     return 0;
3321 }
3322 EOF
3323 if compile_prog "" "" ; then
3324   accept4=yes
3325 fi
3326
3327 # check if tee/splice is there. vmsplice was added same time.
3328 splice=no
3329 cat > $TMPC << EOF
3330 #include <unistd.h>
3331 #include <fcntl.h>
3332 #include <limits.h>
3333
3334 int main(void)
3335 {
3336     int len, fd = 0;
3337     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3338     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3339     return 0;
3340 }
3341 EOF
3342 if compile_prog "" "" ; then
3343   splice=yes
3344 fi
3345
3346 ##########################################
3347 # libnuma probe
3348
3349 if test "$numa" != "no" ; then
3350   cat > $TMPC << EOF
3351 #include <numa.h>
3352 int main(void) { return numa_available(); }
3353 EOF
3354
3355   if compile_prog "" "-lnuma" ; then
3356     numa=yes
3357     libs_softmmu="-lnuma $libs_softmmu"
3358   else
3359     if test "$numa" = "yes" ; then
3360       feature_not_found "numa" "install numactl devel"
3361     fi
3362     numa=no
3363   fi
3364 fi
3365
3366 ##########################################
3367 # tcmalloc probe
3368
3369 if test "$tcmalloc" = "yes" ; then
3370   cat > $TMPC << EOF
3371 #include <stdlib.h>
3372 int main(void) { malloc(1); return 0; }
3373 EOF
3374
3375   if compile_prog "" "-ltcmalloc" ; then
3376     LIBS="-ltcmalloc $LIBS"
3377   else
3378     feature_not_found "tcmalloc" "install gperftools devel"
3379   fi
3380 fi
3381
3382 ##########################################
3383 # signalfd probe
3384 signalfd="no"
3385 cat > $TMPC << EOF
3386 #include <unistd.h>
3387 #include <sys/syscall.h>
3388 #include <signal.h>
3389 int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3390 EOF
3391
3392 if compile_prog "" "" ; then
3393   signalfd=yes
3394 fi
3395
3396 # check if eventfd is supported
3397 eventfd=no
3398 cat > $TMPC << EOF
3399 #include <sys/eventfd.h>
3400
3401 int main(void)
3402 {
3403     return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3404 }
3405 EOF
3406 if compile_prog "" "" ; then
3407   eventfd=yes
3408 fi
3409
3410 # check for fallocate
3411 fallocate=no
3412 cat > $TMPC << EOF
3413 #include <fcntl.h>
3414
3415 int main(void)
3416 {
3417     fallocate(0, 0, 0, 0);
3418     return 0;
3419 }
3420 EOF
3421 if compile_prog "" "" ; then
3422   fallocate=yes
3423 fi
3424
3425 # check for fallocate hole punching
3426 fallocate_punch_hole=no
3427 cat > $TMPC << EOF
3428 #include <fcntl.h>
3429 #include <linux/falloc.h>
3430
3431 int main(void)
3432 {
3433     fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3434     return 0;
3435 }
3436 EOF
3437 if compile_prog "" "" ; then
3438   fallocate_punch_hole=yes
3439 fi
3440
3441 # check that fallocate supports range zeroing inside the file
3442 fallocate_zero_range=no
3443 cat > $TMPC << EOF
3444 #include <fcntl.h>
3445 #include <linux/falloc.h>
3446
3447 int main(void)
3448 {
3449     fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3450     return 0;
3451 }
3452 EOF
3453 if compile_prog "" "" ; then
3454   fallocate_zero_range=yes
3455 fi
3456
3457 # check for posix_fallocate
3458 posix_fallocate=no
3459 cat > $TMPC << EOF
3460 #include <fcntl.h>
3461
3462 int main(void)
3463 {
3464     posix_fallocate(0, 0, 0);
3465     return 0;
3466 }
3467 EOF
3468 if compile_prog "" "" ; then
3469     posix_fallocate=yes
3470 fi
3471
3472 # check for sync_file_range
3473 sync_file_range=no
3474 cat > $TMPC << EOF
3475 #include <fcntl.h>
3476
3477 int main(void)
3478 {
3479     sync_file_range(0, 0, 0, 0);
3480     return 0;
3481 }
3482 EOF
3483 if compile_prog "" "" ; then
3484   sync_file_range=yes
3485 fi
3486
3487 # check for linux/fiemap.h and FS_IOC_FIEMAP
3488 fiemap=no
3489 cat > $TMPC << EOF
3490 #include <sys/ioctl.h>
3491 #include <linux/fs.h>
3492 #include <linux/fiemap.h>
3493
3494 int main(void)
3495 {
3496     ioctl(0, FS_IOC_FIEMAP, 0);
3497     return 0;
3498 }
3499 EOF
3500 if compile_prog "" "" ; then
3501   fiemap=yes
3502 fi
3503
3504 # check for dup3
3505 dup3=no
3506 cat > $TMPC << EOF
3507 #include <unistd.h>
3508
3509 int main(void)
3510 {
3511     dup3(0, 0, 0);
3512     return 0;
3513 }
3514 EOF
3515 if compile_prog "" "" ; then
3516   dup3=yes
3517 fi
3518
3519 # check for ppoll support
3520 ppoll=no
3521 cat > $TMPC << EOF
3522 #include <poll.h>
3523
3524 int main(void)
3525 {
3526     struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3527     ppoll(&pfd, 1, 0, 0);
3528     return 0;
3529 }
3530 EOF
3531 if compile_prog "" "" ; then
3532   ppoll=yes
3533 fi
3534
3535 # check for prctl(PR_SET_TIMERSLACK , ... ) support
3536 prctl_pr_set_timerslack=no
3537 cat > $TMPC << EOF
3538 #include <sys/prctl.h>
3539
3540 int main(void)
3541 {
3542     prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3543     return 0;
3544 }
3545 EOF
3546 if compile_prog "" "" ; then
3547   prctl_pr_set_timerslack=yes
3548 fi
3549
3550 # check for epoll support
3551 epoll=no
3552 cat > $TMPC << EOF
3553 #include <sys/epoll.h>
3554
3555 int main(void)
3556 {
3557     epoll_create(0);
3558     return 0;
3559 }
3560 EOF
3561 if compile_prog "" "" ; then
3562   epoll=yes
3563 fi
3564
3565 # epoll_create1 and epoll_pwait are later additions
3566 # so we must check separately for their presence
3567 epoll_create1=no
3568 cat > $TMPC << EOF
3569 #include <sys/epoll.h>
3570
3571 int main(void)
3572 {
3573     /* Note that we use epoll_create1 as a value, not as
3574      * a function being called. This is necessary so that on
3575      * old SPARC glibc versions where the function was present in
3576      * the library but not declared in the header file we will
3577      * fail the configure check. (Otherwise we will get a compiler
3578      * warning but not an error, and will proceed to fail the
3579      * qemu compile where we compile with -Werror.)
3580      */
3581     return (int)(uintptr_t)&epoll_create1;
3582 }
3583 EOF
3584 if compile_prog "" "" ; then
3585   epoll_create1=yes
3586 fi
3587
3588 epoll_pwait=no
3589 cat > $TMPC << EOF
3590 #include <sys/epoll.h>
3591
3592 int main(void)
3593 {
3594     epoll_pwait(0, 0, 0, 0, 0);
3595     return 0;
3596 }
3597 EOF
3598 if compile_prog "" "" ; then
3599   epoll_pwait=yes
3600 fi
3601
3602 # check for sendfile support
3603 sendfile=no
3604 cat > $TMPC << EOF
3605 #include <sys/sendfile.h>
3606
3607 int main(void)
3608 {
3609     return sendfile(0, 0, 0, 0);
3610 }
3611 EOF
3612 if compile_prog "" "" ; then
3613   sendfile=yes
3614 fi
3615
3616 # check for timerfd support (glibc 2.8 and newer)
3617 timerfd=no
3618 cat > $TMPC << EOF
3619 #include <sys/timerfd.h>
3620
3621 int main(void)
3622 {
3623     return(timerfd_create(CLOCK_REALTIME, 0));
3624 }
3625 EOF
3626 if compile_prog "" "" ; then
3627   timerfd=yes
3628 fi
3629
3630 # check for setns and unshare support
3631 setns=no
3632 cat > $TMPC << EOF
3633 #include <sched.h>
3634
3635 int main(void)
3636 {
3637     int ret;
3638     ret = setns(0, 0);
3639     ret = unshare(0);
3640     return ret;
3641 }
3642 EOF
3643 if compile_prog "" "" ; then
3644   setns=yes
3645 fi
3646
3647 # Check if tools are available to build documentation.
3648 if test "$docs" != "no" ; then
3649   if has makeinfo && has pod2man; then
3650     docs=yes
3651   else
3652     if test "$docs" = "yes" ; then
3653       feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
3654     fi
3655     docs=no
3656   fi
3657 fi
3658
3659 # Search for bswap_32 function
3660 byteswap_h=no
3661 cat > $TMPC << EOF
3662 #include <byteswap.h>
3663 int main(void) { return bswap_32(0); }
3664 EOF
3665 if compile_prog "" "" ; then
3666   byteswap_h=yes
3667 fi
3668
3669 # Search for bswap32 function
3670 bswap_h=no
3671 cat > $TMPC << EOF
3672 #include <sys/endian.h>
3673 #include <sys/types.h>
3674 #include <machine/bswap.h>
3675 int main(void) { return bswap32(0); }
3676 EOF
3677 if compile_prog "" "" ; then
3678   bswap_h=yes
3679 fi
3680
3681 ##########################################
3682 # Do we have libiscsi >= 1.9.0
3683 if test "$libiscsi" != "no" ; then
3684   if $pkg_config --atleast-version=1.9.0 libiscsi; then
3685     libiscsi="yes"
3686     libiscsi_cflags=$($pkg_config --cflags libiscsi)
3687     libiscsi_libs=$($pkg_config --libs libiscsi)
3688   else
3689     if test "$libiscsi" = "yes" ; then
3690       feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
3691     fi
3692     libiscsi="no"
3693   fi
3694 fi
3695
3696 ##########################################
3697 # Do we need libm
3698 cat > $TMPC << EOF
3699 #include <math.h>
3700 int main(int argc, char **argv) { return isnan(sin((double)argc)); }
3701 EOF
3702 if compile_prog "" "" ; then
3703   :
3704 elif compile_prog "" "-lm" ; then
3705   LIBS="-lm $LIBS"
3706   libs_qga="-lm $libs_qga"
3707 else
3708   error_exit "libm check failed"
3709 fi
3710
3711 ##########################################
3712 # Do we need librt
3713 # uClibc provides 2 versions of clock_gettime(), one with realtime
3714 # support and one without. This means that the clock_gettime() don't
3715 # need -lrt. We still need it for timer_create() so we check for this
3716 # function in addition.
3717 cat > $TMPC <<EOF
3718 #include <signal.h>
3719 #include <time.h>
3720 int main(void) {
3721   timer_create(CLOCK_REALTIME, NULL, NULL);
3722   return clock_gettime(CLOCK_REALTIME, NULL);
3723 }
3724 EOF
3725
3726 if compile_prog "" "" ; then
3727   :
3728 # we need pthread for static linking. use previous pthread test result
3729 elif compile_prog "" "$pthread_lib -lrt" ; then
3730   LIBS="$LIBS -lrt"
3731   libs_qga="$libs_qga -lrt"
3732 fi
3733
3734 if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
3735         "$aix" != "yes" -a "$haiku" != "yes" ; then
3736     libs_softmmu="-lutil $libs_softmmu"
3737 fi
3738
3739 ##########################################
3740 # spice probe
3741 if test "$spice" != "no" ; then
3742   cat > $TMPC << EOF
3743 #include <spice.h>
3744 int main(void) { spice_server_new(); return 0; }
3745 EOF
3746   spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
3747   spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
3748   if $pkg_config --atleast-version=0.12.0 spice-server && \
3749      $pkg_config --atleast-version=0.12.3 spice-protocol && \
3750      compile_prog "$spice_cflags" "$spice_libs" ; then
3751     spice="yes"
3752     libs_softmmu="$libs_softmmu $spice_libs"
3753     QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
3754     spice_protocol_version=$($pkg_config --modversion spice-protocol)
3755     spice_server_version=$($pkg_config --modversion spice-server)
3756   else
3757     if test "$spice" = "yes" ; then
3758       feature_not_found "spice" \
3759           "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
3760     fi
3761     spice="no"
3762   fi
3763 fi
3764
3765 # check for libcacard for smartcard support
3766 smartcard_cflags=""
3767 # TODO - what's the minimal nss version we support?
3768 if test "$smartcard_nss" != "no"; then
3769   cat > $TMPC << EOF
3770 #include <pk11pub.h>
3771 int main(void) { PK11_FreeSlot(0); return 0; }
3772 EOF
3773     # FIXME: do not include $glib_* in here
3774     nss_libs="$($pkg_config --libs nss 2>/dev/null) $glib_libs"
3775     nss_cflags="$($pkg_config --cflags nss 2>/dev/null) $glib_cflags"
3776     test_cflags="$nss_cflags"
3777     # The header files in nss < 3.13.3 have a bug which causes them to
3778     # emit a warning. If we're going to compile QEMU with -Werror, then
3779     # test that the headers don't have this bug. Otherwise we would pass
3780     # the configure test but fail to compile QEMU later.
3781     if test "$werror" = "yes"; then
3782         test_cflags="-Werror $test_cflags"
3783     fi
3784     if test -n "$libtool" &&
3785        $pkg_config --atleast-version=3.12.8 nss && \
3786       compile_prog "$test_cflags" "$nss_libs"; then
3787         smartcard_nss="yes"
3788     else
3789         if test "$smartcard_nss" = "yes"; then
3790             feature_not_found "nss" "Install nss devel >= 3.12.8"
3791         fi
3792         smartcard_nss="no"
3793     fi
3794 fi
3795
3796 # check for libusb
3797 if test "$libusb" != "no" ; then
3798     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
3799         libusb="yes"
3800         libusb_cflags=$($pkg_config --cflags libusb-1.0)
3801         libusb_libs=$($pkg_config --libs libusb-1.0)
3802         QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
3803         libs_softmmu="$libs_softmmu $libusb_libs"
3804     else
3805         if test "$libusb" = "yes"; then
3806             feature_not_found "libusb" "Install libusb devel >= 1.0.13"
3807         fi
3808         libusb="no"
3809     fi
3810 fi
3811
3812 # check for usbredirparser for usb network redirection support
3813 if test "$usb_redir" != "no" ; then
3814     if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
3815         usb_redir="yes"
3816         usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
3817         usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
3818         QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
3819         libs_softmmu="$libs_softmmu $usb_redir_libs"
3820     else
3821         if test "$usb_redir" = "yes"; then
3822             feature_not_found "usb-redir" "Install usbredir devel"
3823         fi
3824         usb_redir="no"
3825     fi
3826 fi
3827
3828 ##########################################
3829 # check if we have VSS SDK headers for win
3830
3831 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
3832   case "$vss_win32_sdk" in
3833     "")   vss_win32_include="-I$source_path" ;;
3834     *\ *) # The SDK is installed in "Program Files" by default, but we cannot
3835           # handle path with spaces. So we symlink the headers into ".sdk/vss".
3836           vss_win32_include="-I$source_path/.sdk/vss"
3837           symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
3838           ;;
3839     *)    vss_win32_include="-I$vss_win32_sdk"
3840   esac
3841   cat > $TMPC << EOF
3842 #define __MIDL_user_allocate_free_DEFINED__
3843 #include <inc/win2003/vss.h>
3844 int main(void) { return VSS_CTX_BACKUP; }
3845 EOF
3846   if compile_prog "$vss_win32_include" "" ; then
3847     guest_agent_with_vss="yes"
3848     QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
3849     libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
3850   else
3851     if test "$vss_win32_sdk" != "" ; then
3852       echo "ERROR: Please download and install Microsoft VSS SDK:"
3853       echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
3854       echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
3855       echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
3856       echo "ERROR: The headers are extracted in the directory \`inc'."
3857       feature_not_found "VSS support"
3858     fi
3859     guest_agent_with_vss="no"
3860   fi
3861 fi
3862
3863 ##########################################
3864 # lookup Windows platform SDK (if not specified)
3865 # The SDK is needed only to build .tlb (type library) file of guest agent
3866 # VSS provider from the source. It is usually unnecessary because the
3867 # pre-compiled .tlb file is included.
3868
3869 if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
3870   if test -z "$win_sdk"; then
3871     programfiles="$PROGRAMFILES"
3872     test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
3873     if test -n "$programfiles"; then
3874       win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
3875     else
3876       feature_not_found "Windows SDK"
3877     fi
3878   elif test "$win_sdk" = "no"; then
3879     win_sdk=""
3880   fi
3881 fi
3882
3883 ##########################################
3884
3885 ##########################################
3886 # check if we have fdatasync
3887
3888 fdatasync=no
3889 cat > $TMPC << EOF
3890 #include <unistd.h>
3891 int main(void) {
3892 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
3893 return fdatasync(0);
3894 #else
3895 #error Not supported
3896 #endif
3897 }
3898 EOF
3899 if compile_prog "" "" ; then
3900     fdatasync=yes
3901 fi
3902
3903 ##########################################
3904 # check if we have madvise
3905
3906 madvise=no
3907 cat > $TMPC << EOF
3908 #include <sys/types.h>
3909 #include <sys/mman.h>
3910 #include <stddef.h>
3911 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
3912 EOF
3913 if compile_prog "" "" ; then
3914     madvise=yes
3915 fi
3916
3917 ##########################################
3918 # check if we have posix_madvise
3919
3920 posix_madvise=no
3921 cat > $TMPC << EOF
3922 #include <sys/mman.h>
3923 #include <stddef.h>
3924 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
3925 EOF
3926 if compile_prog "" "" ; then
3927     posix_madvise=yes
3928 fi
3929
3930 ##########################################
3931 # check if we have usable SIGEV_THREAD_ID
3932
3933 sigev_thread_id=no
3934 cat > $TMPC << EOF
3935 #include <signal.h>
3936 int main(void) {
3937   struct sigevent ev;
3938   ev.sigev_notify = SIGEV_THREAD_ID;
3939   ev._sigev_un._tid = 0;
3940   asm volatile("" : : "g"(&ev));
3941   return 0;
3942 }
3943 EOF
3944 if compile_prog "" "" ; then
3945     sigev_thread_id=yes
3946 fi
3947
3948 ##########################################
3949 # check if trace backend exists
3950
3951 $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
3952 if test "$?" -ne 0 ; then
3953   error_exit "invalid trace backends" \
3954       "Please choose supported trace backends."
3955 fi
3956
3957 ##########################################
3958 # For 'ust' backend, test if ust headers are present
3959 if have_backend "ust"; then
3960   cat > $TMPC << EOF
3961 #include <lttng/tracepoint.h>
3962 int main(void) { return 0; }
3963 EOF
3964   if compile_prog "" "" ; then
3965     if $pkg_config lttng-ust --exists; then
3966       lttng_ust_libs=`$pkg_config --libs lttng-ust`
3967     else
3968       lttng_ust_libs="-llttng-ust"
3969     fi
3970     if $pkg_config liburcu-bp --exists; then
3971       urcu_bp_libs=`$pkg_config --libs liburcu-bp`
3972     else
3973       urcu_bp_libs="-lurcu-bp"
3974     fi
3975
3976     LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
3977     libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
3978   else
3979     error_exit "Trace backend 'ust' missing lttng-ust header files"
3980   fi
3981 fi
3982
3983 ##########################################
3984 # For 'dtrace' backend, test if 'dtrace' command is present
3985 if have_backend "dtrace"; then
3986   if ! has 'dtrace' ; then
3987     error_exit "dtrace command is not found in PATH $PATH"
3988   fi
3989   trace_backend_stap="no"
3990   if has 'stap' ; then
3991     trace_backend_stap="yes"
3992   fi
3993 fi
3994
3995 ##########################################
3996 # check and set a backend for coroutine
3997
3998 # We prefer ucontext, but it's not always possible. The fallback
3999 # is sigcontext. gthread is not selectable except explicitly, because
4000 # it is not functional enough to run QEMU proper. (It is occasionally
4001 # useful for debugging purposes.)  On Windows the only valid backend
4002 # is the Windows-specific one.
4003
4004 ucontext_works=no
4005 if test "$darwin" != "yes"; then
4006   cat > $TMPC << EOF
4007 #include <ucontext.h>
4008 #ifdef __stub_makecontext
4009 #error Ignoring glibc stub makecontext which will always fail
4010 #endif
4011 int main(void) { makecontext(0, 0, 0); return 0; }
4012 EOF
4013   if compile_prog "" "" ; then
4014     ucontext_works=yes
4015   fi
4016 fi
4017
4018 if test "$coroutine" = ""; then
4019   if test "$mingw32" = "yes"; then
4020     coroutine=win32
4021   elif test "$ucontext_works" = "yes"; then
4022     coroutine=ucontext
4023   else
4024     coroutine=sigaltstack
4025   fi
4026 else
4027   case $coroutine in
4028   windows)
4029     if test "$mingw32" != "yes"; then
4030       error_exit "'windows' coroutine backend only valid for Windows"
4031     fi
4032     # Unfortunately the user visible backend name doesn't match the
4033     # coroutine-*.c filename for this case, so we have to adjust it here.
4034     coroutine=win32
4035     ;;
4036   ucontext)
4037     if test "$ucontext_works" != "yes"; then
4038       feature_not_found "ucontext"
4039     fi
4040     ;;
4041   gthread|sigaltstack)
4042     if test "$mingw32" = "yes"; then
4043       error_exit "only the 'windows' coroutine backend is valid for Windows"
4044     fi
4045     ;;
4046   *)
4047     error_exit "unknown coroutine backend $coroutine"
4048     ;;
4049   esac
4050 fi
4051
4052 if test "$coroutine_pool" = ""; then
4053   if test "$coroutine" = "gthread"; then
4054     coroutine_pool=no
4055   else
4056     coroutine_pool=yes
4057   fi
4058 fi
4059 if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4060   error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4061 fi
4062
4063 ##########################################
4064 # check if we have open_by_handle_at
4065
4066 open_by_handle_at=no
4067 cat > $TMPC << EOF
4068 #include <fcntl.h>
4069 #if !defined(AT_EMPTY_PATH)
4070 # error missing definition
4071 #else
4072 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4073 #endif
4074 EOF
4075 if compile_prog "" "" ; then
4076     open_by_handle_at=yes
4077 fi
4078
4079 ########################################
4080 # check if we have linux/magic.h
4081
4082 linux_magic_h=no
4083 cat > $TMPC << EOF
4084 #include <linux/magic.h>
4085 int main(void) {
4086   return 0;
4087 }
4088 EOF
4089 if compile_prog "" "" ; then
4090     linux_magic_h=yes
4091 fi
4092
4093 ########################################
4094 # check whether we can disable warning option with a pragma (this is needed
4095 # to silence warnings in the headers of some versions of external libraries).
4096 # This test has to be compiled with -Werror as otherwise an unknown pragma is
4097 # only a warning.
4098 #
4099 # If we can't selectively disable warning in the code, disable -Werror so that
4100 # the build doesn't fail anyway.
4101
4102 pragma_disable_unused_but_set=no
4103 cat > $TMPC << EOF
4104 #pragma GCC diagnostic push
4105 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4106 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
4107 #pragma GCC diagnostic pop
4108
4109 int main(void) {
4110     return 0;
4111 }
4112 EOF
4113 if compile_prog "-Werror" "" ; then
4114     pragma_diagnostic_available=yes
4115 else
4116     werror=no
4117 fi
4118
4119 ########################################
4120 # check if we have valgrind/valgrind.h
4121
4122 valgrind_h=no
4123 cat > $TMPC << EOF
4124 #include <valgrind/valgrind.h>
4125 int main(void) {
4126   return 0;
4127 }
4128 EOF
4129 if compile_prog "" "" ; then
4130     valgrind_h=yes
4131 fi
4132
4133 ########################################
4134 # check if environ is declared
4135
4136 has_environ=no
4137 cat > $TMPC << EOF
4138 #include <unistd.h>
4139 int main(void) {
4140     environ = 0;
4141     return 0;
4142 }
4143 EOF
4144 if compile_prog "" "" ; then
4145     has_environ=yes
4146 fi
4147
4148 ########################################
4149 # check if cpuid.h is usable.
4150
4151 cpuid_h=no
4152 cat > $TMPC << EOF
4153 #include <cpuid.h>
4154 int main(void) {
4155     unsigned a, b, c, d;
4156     int max = __get_cpuid_max(0, 0);
4157
4158     if (max >= 1) {
4159         __cpuid(1, a, b, c, d);
4160     }
4161
4162     if (max >= 7) {
4163         __cpuid_count(7, 0, a, b, c, d);
4164     }
4165
4166     return 0;
4167 }
4168 EOF
4169 if compile_prog "" "" ; then
4170     cpuid_h=yes
4171 fi
4172
4173 ########################################
4174 # check if __[u]int128_t is usable.
4175
4176 int128=no
4177 cat > $TMPC << EOF
4178 #if defined(__clang_major__) && defined(__clang_minor__)
4179 # if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4180 #  error __int128_t does not work in CLANG before 3.2
4181 # endif
4182 #endif
4183 __int128_t a;
4184 __uint128_t b;
4185 int main (void) {
4186   a = a + b;
4187   b = a * b;
4188   a = a * a;
4189   return 0;
4190 }
4191 EOF
4192 if compile_prog "" "" ; then
4193     int128=yes
4194 fi
4195
4196 ########################################
4197 # check if getauxval is available.
4198
4199 getauxval=no
4200 cat > $TMPC << EOF
4201 #include <sys/auxv.h>
4202 int main(void) {
4203   return getauxval(AT_HWCAP) == 0;
4204 }
4205 EOF
4206 if compile_prog "" "" ; then
4207     getauxval=yes
4208 fi
4209
4210 ########################################
4211 # check if ccache is interfering with
4212 # semantic analysis of macros
4213
4214 ccache_cpp2=no
4215 cat > $TMPC << EOF
4216 static const int Z = 1;
4217 #define fn() ({ Z; })
4218 #define TAUT(X) ((X) == Z)
4219 #define PAREN(X, Y) (X == Y)
4220 #define ID(X) (X)
4221 int main(int argc, char *argv[])
4222 {
4223     int x = 0, y = 0;
4224     x = ID(x);
4225     x = fn();
4226     fn();
4227     if (PAREN(x, y)) return 0;
4228     if (TAUT(Z)) return 0;
4229     return 0;
4230 }
4231 EOF
4232
4233 if ! compile_object "-Werror"; then
4234     ccache_cpp2=yes
4235 fi
4236
4237 ##########################################
4238 # End of CC checks
4239 # After here, no more $cc or $ld runs
4240
4241 if test "$gcov" = "yes" ; then
4242   CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4243   LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4244 elif test "$debug" = "no" ; then
4245   CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4246 fi
4247
4248 ##########################################
4249 # Do we have libnfs
4250 if test "$libnfs" != "no" ; then
4251   if $pkg_config --atleast-version=1.9.3 libnfs; then
4252     libnfs="yes"
4253     libnfs_libs=$($pkg_config --libs libnfs)
4254     LIBS="$LIBS $libnfs_libs"
4255   else
4256     if test "$libnfs" = "yes" ; then
4257       feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4258     fi
4259     libnfs="no"
4260   fi
4261 fi
4262
4263 # Disable zero malloc errors for official releases unless explicitly told to
4264 # enable/disable
4265 if test -z "$zero_malloc" ; then
4266     if test "$z_version" = "50" ; then
4267         zero_malloc="no"
4268     else
4269         zero_malloc="yes"
4270     fi
4271 fi
4272
4273 # Now we've finished running tests it's OK to add -Werror to the compiler flags
4274 if test "$werror" = "yes"; then
4275     QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4276 fi
4277
4278 if test "$solaris" = "no" ; then
4279     if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4280         LDFLAGS="-Wl,--warn-common $LDFLAGS"
4281     fi
4282 fi
4283
4284 # test if pod2man has --utf8 option
4285 if pod2man --help | grep -q utf8; then
4286     POD2MAN="pod2man --utf8"
4287 else
4288     POD2MAN="pod2man"
4289 fi
4290
4291 # Use ASLR, no-SEH and DEP if available
4292 if test "$mingw32" = "yes" ; then
4293     for flag in --dynamicbase --no-seh --nxcompat; do
4294         if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4295             LDFLAGS="-Wl,$flag $LDFLAGS"
4296         fi
4297     done
4298 fi
4299
4300 qemu_confdir=$sysconfdir$confsuffix
4301 qemu_moddir=$libdir$confsuffix
4302 qemu_datadir=$datadir$confsuffix
4303 qemu_localedir="$datadir/locale"
4304
4305 tools=""
4306 if test "$want_tools" = "yes" ; then
4307   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4308   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4309     tools="qemu-nbd\$(EXESUF) $tools"
4310   fi
4311 fi
4312 if test "$softmmu" = yes ; then
4313   if test "$virtfs" != no ; then
4314     if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4315       virtfs=yes
4316       tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4317     else
4318       if test "$virtfs" = yes; then
4319         error_exit "VirtFS is supported only on Linux and requires libcap-devel and libattr-devel"
4320       fi
4321       virtfs=no
4322     fi
4323   fi
4324 fi
4325 if [ "$guest_agent" != "no" ]; then
4326   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4327       tools="qemu-ga\$(EXESUF) $tools"
4328       if [ "$mingw32" = "yes" -a "$guest_agent_with_vss" = "yes" ]; then
4329         tools="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb $tools"
4330       fi
4331       guest_agent=yes
4332   elif [ "$guest_agent" != yes ]; then
4333       guest_agent=no
4334   else
4335       error_exit "Guest agent is not supported on this platform"
4336   fi
4337 fi
4338
4339 # Mac OS X ships with a broken assembler
4340 roms=
4341 if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4342         "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4343         "$softmmu" = yes ; then
4344   roms="optionrom"
4345 fi
4346 if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4347   roms="$roms spapr-rtas"
4348 fi
4349
4350 if test "$cpu" = "s390x" ; then
4351   roms="$roms s390-ccw"
4352 fi
4353
4354 # Probe for the need for relocating the user-only binary.
4355 if test "$pie" = "no" ; then
4356   textseg_addr=
4357   case "$cpu" in
4358     arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4359       # ??? Rationale for choosing this address
4360       textseg_addr=0x60000000
4361       ;;
4362     mips)
4363       # A 256M aligned address, high in the address space, with enough
4364       # room for the code_gen_buffer above it before the stack.
4365       textseg_addr=0x60000000
4366       ;;
4367   esac
4368   if [ -n "$textseg_addr" ]; then
4369     cat > $TMPC <<EOF
4370     int main(void) { return 0; }
4371 EOF
4372     textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4373     if ! compile_prog "" "$textseg_ldflags"; then
4374       # In case ld does not support -Ttext-segment, edit the default linker
4375       # script via sed to set the .text start addr.  This is needed on FreeBSD
4376       # at least.
4377       $ld --verbose | sed \
4378         -e '1,/==================================================/d' \
4379         -e '/==================================================/,$d' \
4380         -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4381         -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4382       textseg_ldflags="-Wl,-T../config-host.ld"
4383     fi
4384   fi
4385 fi
4386
4387 # prepend pixman and ftd flags after all config tests are done
4388 QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
4389 libs_softmmu="$pixman_libs $libs_softmmu"
4390
4391 echo "Install prefix    $prefix"
4392 echo "BIOS directory    `eval echo $qemu_datadir`"
4393 echo "binary directory  `eval echo $bindir`"
4394 echo "library directory `eval echo $libdir`"
4395 echo "module directory  `eval echo $qemu_moddir`"
4396 echo "libexec directory `eval echo $libexecdir`"
4397 echo "include directory `eval echo $includedir`"
4398 echo "config directory  `eval echo $sysconfdir`"
4399 if test "$mingw32" = "no" ; then
4400 echo "local state directory   `eval echo $local_statedir`"
4401 echo "Manual directory  `eval echo $mandir`"
4402 echo "ELF interp prefix $interp_prefix"
4403 else
4404 echo "local state directory   queried at runtime"
4405 echo "Windows SDK       $win_sdk"
4406 fi
4407 echo "Source path       $source_path"
4408 echo "C compiler        $cc"
4409 echo "Host C compiler   $host_cc"
4410 echo "C++ compiler      $cxx"
4411 echo "Objective-C compiler $objcc"
4412 echo "ARFLAGS           $ARFLAGS"
4413 echo "CFLAGS            $CFLAGS"
4414 echo "QEMU_CFLAGS       $QEMU_CFLAGS"
4415 echo "LDFLAGS           $LDFLAGS"
4416 echo "make              $make"
4417 echo "install           $install"
4418 echo "python            $python"
4419 if test "$slirp" = "yes" ; then
4420     echo "smbd              $smbd"
4421 fi
4422 echo "module support    $modules"
4423 echo "host CPU          $cpu"
4424 echo "host big endian   $bigendian"
4425 echo "target list       $target_list"
4426 echo "tcg debug enabled $debug_tcg"
4427 echo "gprof enabled     $gprof"
4428 echo "sparse enabled    $sparse"
4429 echo "strip binaries    $strip_opt"
4430 echo "profiler          $profiler"
4431 echo "static build      $static"
4432 if test "$darwin" = "yes" ; then
4433     echo "Cocoa support     $cocoa"
4434 fi
4435 echo "pixman            $pixman"
4436 echo "SDL support       $sdl"
4437 echo "GTK support       $gtk"
4438 echo "VTE support       $vte"
4439 echo "curses support    $curses"
4440 echo "curl support      $curl"
4441 echo "mingw32 support   $mingw32"
4442 echo "Audio drivers     $audio_drv_list"
4443 echo "Block whitelist (rw) $block_drv_rw_whitelist"
4444 echo "Block whitelist (ro) $block_drv_ro_whitelist"
4445 echo "VirtFS support    $virtfs"
4446 echo "VNC support       $vnc"
4447 if test "$vnc" = "yes" ; then
4448     echo "VNC TLS support   $vnc_tls"
4449     echo "VNC SASL support  $vnc_sasl"
4450     echo "VNC JPEG support  $vnc_jpeg"
4451     echo "VNC PNG support   $vnc_png"
4452     echo "VNC WS support    $vnc_ws"
4453 fi
4454 if test -n "$sparc_cpu"; then
4455     echo "Target Sparc Arch $sparc_cpu"
4456 fi
4457 echo "xen support       $xen"
4458 if test "$xen" = "yes" ; then
4459   echo "xen ctrl version  $xen_ctrl_version"
4460 fi
4461 echo "brlapi support    $brlapi"
4462 echo "bluez  support    $bluez"
4463 echo "Documentation     $docs"
4464 echo "GUEST_BASE        $guest_base"
4465 echo "PIE               $pie"
4466 echo "vde support       $vde"
4467 echo "netmap support    $netmap"
4468 echo "Linux AIO support $linux_aio"
4469 echo "ATTR/XATTR support $attr"
4470 echo "Install blobs     $blobs"
4471 echo "KVM support       $kvm"
4472 echo "RDMA support      $rdma"
4473 echo "TCG interpreter   $tcg_interpreter"
4474 echo "fdt support       $fdt"
4475 echo "preadv support    $preadv"
4476 echo "fdatasync         $fdatasync"
4477 echo "madvise           $madvise"
4478 echo "posix_madvise     $posix_madvise"
4479 echo "sigev_thread_id   $sigev_thread_id"
4480 echo "uuid support      $uuid"
4481 echo "libcap-ng support $cap_ng"
4482 echo "vhost-net support $vhost_net"
4483 echo "vhost-scsi support $vhost_scsi"
4484 echo "Trace backends    $trace_backends"
4485 if test "$trace_backend" = "simple"; then
4486 echo "Trace output file $trace_file-<pid>"
4487 fi
4488 if test "$spice" = "yes"; then
4489 echo "spice support     $spice ($spice_protocol_version/$spice_server_version)"
4490 else
4491 echo "spice support     $spice"
4492 fi
4493 echo "rbd support       $rbd"
4494 echo "xfsctl support    $xfs"
4495 echo "nss used          $smartcard_nss"
4496 echo "libusb            $libusb"
4497 echo "usb net redir     $usb_redir"
4498 echo "OpenGL support    $opengl"
4499 echo "libiscsi support  $libiscsi"
4500 echo "libnfs support    $libnfs"
4501 echo "build guest agent $guest_agent"
4502 echo "QGA VSS support   $guest_agent_with_vss"
4503 echo "seccomp support   $seccomp"
4504 echo "coroutine backend $coroutine"
4505 echo "coroutine pool    $coroutine_pool"
4506 echo "GlusterFS support $glusterfs"
4507 echo "Archipelago support $archipelago"
4508 echo "gcov              $gcov_tool"
4509 echo "gcov enabled      $gcov"
4510 echo "TPM support       $tpm"
4511 echo "libssh2 support   $libssh2"
4512 echo "TPM passthrough   $tpm_passthrough"
4513 echo "QOM debugging     $qom_cast_debug"
4514 echo "vhdx              $vhdx"
4515 echo "Quorum            $quorum"
4516 echo "lzo support       $lzo"
4517 echo "snappy support    $snappy"
4518 echo "bzip2 support     $bzip2"
4519 echo "NUMA host support $numa"
4520 echo "tcmalloc support  $tcmalloc"
4521
4522 if test "$sdl_too_old" = "yes"; then
4523 echo "-> Your SDL version is too old - please upgrade to have SDL support"
4524 fi
4525
4526 config_host_mak="config-host.mak"
4527
4528 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
4529
4530 echo "# Automatically generated by configure - do not modify" > $config_host_mak
4531 echo >> $config_host_mak
4532
4533 echo all: >> $config_host_mak
4534 echo "prefix=$prefix" >> $config_host_mak
4535 echo "bindir=$bindir" >> $config_host_mak
4536 echo "libdir=$libdir" >> $config_host_mak
4537 echo "libexecdir=$libexecdir" >> $config_host_mak
4538 echo "includedir=$includedir" >> $config_host_mak
4539 echo "mandir=$mandir" >> $config_host_mak
4540 echo "sysconfdir=$sysconfdir" >> $config_host_mak
4541 echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
4542 echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
4543 echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
4544 echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
4545 if test "$mingw32" = "no" ; then
4546   echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
4547 fi
4548 echo "qemu_helperdir=$libexecdir" >> $config_host_mak
4549 echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
4550 echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
4551 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
4552 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
4553
4554 echo "ARCH=$ARCH" >> $config_host_mak
4555
4556 if test "$debug_tcg" = "yes" ; then
4557   echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
4558 fi
4559 if test "$strip_opt" = "yes" ; then
4560   echo "STRIP=${strip}" >> $config_host_mak
4561 fi
4562 if test "$bigendian" = "yes" ; then
4563   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
4564 fi
4565 if test "$mingw32" = "yes" ; then
4566   echo "CONFIG_WIN32=y" >> $config_host_mak
4567   rc_version=`cat $source_path/VERSION`
4568   version_major=${rc_version%%.*}
4569   rc_version=${rc_version#*.}
4570   version_minor=${rc_version%%.*}
4571   rc_version=${rc_version#*.}
4572   version_subminor=${rc_version%%.*}
4573   version_micro=0
4574   echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4575   echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4576   if test "$guest_agent_with_vss" = "yes" ; then
4577     echo "CONFIG_QGA_VSS=y" >> $config_host_mak
4578     echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
4579   fi
4580 else
4581   echo "CONFIG_POSIX=y" >> $config_host_mak
4582 fi
4583
4584 if test "$linux" = "yes" ; then
4585   echo "CONFIG_LINUX=y" >> $config_host_mak
4586 fi
4587
4588 if test "$darwin" = "yes" ; then
4589   echo "CONFIG_DARWIN=y" >> $config_host_mak
4590 fi
4591
4592 if test "$aix" = "yes" ; then
4593   echo "CONFIG_AIX=y" >> $config_host_mak
4594 fi
4595
4596 if test "$solaris" = "yes" ; then
4597   echo "CONFIG_SOLARIS=y" >> $config_host_mak
4598   echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
4599   if test "$needs_libsunmath" = "yes" ; then
4600     echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
4601   fi
4602 fi
4603 if test "$haiku" = "yes" ; then
4604   echo "CONFIG_HAIKU=y" >> $config_host_mak
4605 fi
4606 if test "$static" = "yes" ; then
4607   echo "CONFIG_STATIC=y" >> $config_host_mak
4608 fi
4609 if test "$profiler" = "yes" ; then
4610   echo "CONFIG_PROFILER=y" >> $config_host_mak
4611 fi
4612 if test "$slirp" = "yes" ; then
4613   echo "CONFIG_SLIRP=y" >> $config_host_mak
4614   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
4615 fi
4616 if test "$vde" = "yes" ; then
4617   echo "CONFIG_VDE=y" >> $config_host_mak
4618 fi
4619 if test "$netmap" = "yes" ; then
4620   echo "CONFIG_NETMAP=y" >> $config_host_mak
4621 fi
4622 if test "$l2tpv3" = "yes" ; then
4623   echo "CONFIG_L2TPV3=y" >> $config_host_mak
4624 fi
4625 if test "$cap_ng" = "yes" ; then
4626   echo "CONFIG_LIBCAP=y" >> $config_host_mak
4627 fi
4628 echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
4629 for drv in $audio_drv_list; do
4630     def=CONFIG_`echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]'`
4631     echo "$def=y" >> $config_host_mak
4632     if test "$drv" = "fmod"; then
4633         echo "FMOD_CFLAGS=-I$fmod_inc" >> $config_host_mak
4634     fi
4635 done
4636 if test "$audio_pt_int" = "yes" ; then
4637   echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
4638 fi
4639 if test "$audio_win_int" = "yes" ; then
4640   echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
4641 fi
4642 echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
4643 echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
4644 if test "$vnc" = "yes" ; then
4645   echo "CONFIG_VNC=y" >> $config_host_mak
4646 fi
4647 if test "$vnc_tls" = "yes" ; then
4648   echo "CONFIG_VNC_TLS=y" >> $config_host_mak
4649 fi
4650 if test "$vnc_sasl" = "yes" ; then
4651   echo "CONFIG_VNC_SASL=y" >> $config_host_mak
4652 fi
4653 if test "$vnc_jpeg" = "yes" ; then
4654   echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
4655 fi
4656 if test "$vnc_png" = "yes" ; then
4657   echo "CONFIG_VNC_PNG=y" >> $config_host_mak
4658 fi
4659 if test "$vnc_ws" = "yes" ; then
4660   echo "CONFIG_VNC_WS=y" >> $config_host_mak
4661   echo "VNC_WS_CFLAGS=$vnc_ws_cflags" >> $config_host_mak
4662 fi
4663 if test "$fnmatch" = "yes" ; then
4664   echo "CONFIG_FNMATCH=y" >> $config_host_mak
4665 fi
4666 if test "$uuid" = "yes" ; then
4667   echo "CONFIG_UUID=y" >> $config_host_mak
4668 fi
4669 if test "$xfs" = "yes" ; then
4670   echo "CONFIG_XFS=y" >> $config_host_mak
4671 fi
4672 qemu_version=`head $source_path/VERSION`
4673 echo "VERSION=$qemu_version" >>$config_host_mak
4674 echo "PKGVERSION=$pkgversion" >>$config_host_mak
4675 echo "SRC_PATH=$source_path" >> $config_host_mak
4676 echo "TARGET_DIRS=$target_list" >> $config_host_mak
4677 if [ "$docs" = "yes" ] ; then
4678   echo "BUILD_DOCS=yes" >> $config_host_mak
4679 fi
4680 if test "$modules" = "yes"; then
4681   # $shacmd can generate a hash started with digit, which the compiler doesn't
4682   # like as an symbol. So prefix it with an underscore
4683   echo "CONFIG_STAMP=_`(echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ `" >> $config_host_mak
4684   echo "CONFIG_MODULES=y" >> $config_host_mak
4685 fi
4686 if test "$sdl" = "yes" ; then
4687   echo "CONFIG_SDL=y" >> $config_host_mak
4688   echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
4689   echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
4690 fi
4691 if test "$cocoa" = "yes" ; then
4692   echo "CONFIG_COCOA=y" >> $config_host_mak
4693 fi
4694 if test "$curses" = "yes" ; then
4695   echo "CONFIG_CURSES=y" >> $config_host_mak
4696 fi
4697 if test "$utimens" = "yes" ; then
4698   echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
4699 fi
4700 if test "$pipe2" = "yes" ; then
4701   echo "CONFIG_PIPE2=y" >> $config_host_mak
4702 fi
4703 if test "$accept4" = "yes" ; then
4704   echo "CONFIG_ACCEPT4=y" >> $config_host_mak
4705 fi
4706 if test "$splice" = "yes" ; then
4707   echo "CONFIG_SPLICE=y" >> $config_host_mak
4708 fi
4709 if test "$eventfd" = "yes" ; then
4710   echo "CONFIG_EVENTFD=y" >> $config_host_mak
4711 fi
4712 if test "$fallocate" = "yes" ; then
4713   echo "CONFIG_FALLOCATE=y" >> $config_host_mak
4714 fi
4715 if test "$fallocate_punch_hole" = "yes" ; then
4716   echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
4717 fi
4718 if test "$fallocate_zero_range" = "yes" ; then
4719   echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
4720 fi
4721 if test "$posix_fallocate" = "yes" ; then
4722   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
4723 fi
4724 if test "$sync_file_range" = "yes" ; then
4725   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
4726 fi
4727 if test "$fiemap" = "yes" ; then
4728   echo "CONFIG_FIEMAP=y" >> $config_host_mak
4729 fi
4730 if test "$dup3" = "yes" ; then
4731   echo "CONFIG_DUP3=y" >> $config_host_mak
4732 fi
4733 if test "$ppoll" = "yes" ; then
4734   echo "CONFIG_PPOLL=y" >> $config_host_mak
4735 fi
4736 if test "$prctl_pr_set_timerslack" = "yes" ; then
4737   echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
4738 fi
4739 if test "$epoll" = "yes" ; then
4740   echo "CONFIG_EPOLL=y" >> $config_host_mak
4741 fi
4742 if test "$epoll_create1" = "yes" ; then
4743   echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
4744 fi
4745 if test "$epoll_pwait" = "yes" ; then
4746   echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
4747 fi
4748 if test "$sendfile" = "yes" ; then
4749   echo "CONFIG_SENDFILE=y" >> $config_host_mak
4750 fi
4751 if test "$timerfd" = "yes" ; then
4752   echo "CONFIG_TIMERFD=y" >> $config_host_mak
4753 fi
4754 if test "$setns" = "yes" ; then
4755   echo "CONFIG_SETNS=y" >> $config_host_mak
4756 fi
4757 if test "$inotify" = "yes" ; then
4758   echo "CONFIG_INOTIFY=y" >> $config_host_mak
4759 fi
4760 if test "$inotify1" = "yes" ; then
4761   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
4762 fi
4763 if test "$byteswap_h" = "yes" ; then
4764   echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
4765 fi
4766 if test "$bswap_h" = "yes" ; then
4767   echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
4768 fi
4769 if test "$curl" = "yes" ; then
4770   echo "CONFIG_CURL=m" >> $config_host_mak
4771   echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
4772   echo "CURL_LIBS=$curl_libs" >> $config_host_mak
4773 fi
4774 if test "$brlapi" = "yes" ; then
4775   echo "CONFIG_BRLAPI=y" >> $config_host_mak
4776 fi
4777 if test "$bluez" = "yes" ; then
4778   echo "CONFIG_BLUEZ=y" >> $config_host_mak
4779   echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
4780 fi
4781 if test "glib_subprocess" = "yes" ; then
4782   echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
4783 fi
4784 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
4785 if test "$gtk" = "yes" ; then
4786   echo "CONFIG_GTK=y" >> $config_host_mak
4787   echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
4788   echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
4789 fi
4790 if test "$vte" = "yes" ; then
4791   echo "CONFIG_VTE=y" >> $config_host_mak
4792   echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
4793 fi
4794 if test "$xen" = "yes" ; then
4795   echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
4796   echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
4797 fi
4798 if test "$linux_aio" = "yes" ; then
4799   echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
4800 fi
4801 if test "$attr" = "yes" ; then
4802   echo "CONFIG_ATTR=y" >> $config_host_mak
4803 fi
4804 if test "$libattr" = "yes" ; then
4805   echo "CONFIG_LIBATTR=y" >> $config_host_mak
4806 fi
4807 if test "$virtfs" = "yes" ; then
4808   echo "CONFIG_VIRTFS=y" >> $config_host_mak
4809 fi
4810 if test "$vhost_scsi" = "yes" ; then
4811   echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
4812 fi
4813 if test "$vhost_net" = "yes" ; then
4814   echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
4815 fi
4816 if test "$blobs" = "yes" ; then
4817   echo "INSTALL_BLOBS=yes" >> $config_host_mak
4818 fi
4819 if test "$iovec" = "yes" ; then
4820   echo "CONFIG_IOVEC=y" >> $config_host_mak
4821 fi
4822 if test "$preadv" = "yes" ; then
4823   echo "CONFIG_PREADV=y" >> $config_host_mak
4824 fi
4825 if test "$fdt" = "yes" ; then
4826   echo "CONFIG_FDT=y" >> $config_host_mak
4827 fi
4828 if test "$signalfd" = "yes" ; then
4829   echo "CONFIG_SIGNALFD=y" >> $config_host_mak
4830 fi
4831 if test "$tcg_interpreter" = "yes" ; then
4832   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
4833 fi
4834 if test "$fdatasync" = "yes" ; then
4835   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
4836 fi
4837 if test "$madvise" = "yes" ; then
4838   echo "CONFIG_MADVISE=y" >> $config_host_mak
4839 fi
4840 if test "$posix_madvise" = "yes" ; then
4841   echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
4842 fi
4843 if test "$sigev_thread_id" = "yes" ; then
4844   echo "CONFIG_SIGEV_THREAD_ID=y" >> $config_host_mak
4845 fi
4846
4847 if test "$spice" = "yes" ; then
4848   echo "CONFIG_SPICE=y" >> $config_host_mak
4849 fi
4850
4851 if test "$smartcard_nss" = "yes" ; then
4852   echo "CONFIG_SMARTCARD_NSS=y" >> $config_host_mak
4853   echo "NSS_LIBS=$nss_libs" >> $config_host_mak
4854   echo "NSS_CFLAGS=$nss_cflags" >> $config_host_mak
4855 fi
4856
4857 if test "$libusb" = "yes" ; then
4858   echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
4859 fi
4860
4861 if test "$usb_redir" = "yes" ; then
4862   echo "CONFIG_USB_REDIR=y" >> $config_host_mak
4863 fi
4864
4865 if test "$opengl" = "yes" ; then
4866   echo "CONFIG_OPENGL=y" >> $config_host_mak
4867   echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
4868   echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
4869 fi
4870
4871 if test "$lzo" = "yes" ; then
4872   echo "CONFIG_LZO=y" >> $config_host_mak
4873 fi
4874
4875 if test "$snappy" = "yes" ; then
4876   echo "CONFIG_SNAPPY=y" >> $config_host_mak
4877 fi
4878
4879 if test "$bzip2" = "yes" ; then
4880   echo "CONFIG_BZIP2=y" >> $config_host_mak
4881   echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
4882 fi
4883
4884 if test "$libiscsi" = "yes" ; then
4885   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
4886   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
4887   echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
4888 fi
4889
4890 if test "$libnfs" = "yes" ; then
4891   echo "CONFIG_LIBNFS=y" >> $config_host_mak
4892 fi
4893
4894 if test "$seccomp" = "yes"; then
4895   echo "CONFIG_SECCOMP=y" >> $config_host_mak
4896 fi
4897
4898 # XXX: suppress that
4899 if [ "$bsd" = "yes" ] ; then
4900   echo "CONFIG_BSD=y" >> $config_host_mak
4901 fi
4902
4903 if test "$zero_malloc" = "yes" ; then
4904   echo "CONFIG_ZERO_MALLOC=y" >> $config_host_mak
4905 fi
4906 if test "$qom_cast_debug" = "yes" ; then
4907   echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
4908 fi
4909 if test "$rbd" = "yes" ; then
4910   echo "CONFIG_RBD=m" >> $config_host_mak
4911   echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
4912   echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
4913 fi
4914
4915 echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
4916 if test "$coroutine_pool" = "yes" ; then
4917   echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
4918 else
4919   echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
4920 fi
4921
4922 if test "$open_by_handle_at" = "yes" ; then
4923   echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
4924 fi
4925
4926 if test "$linux_magic_h" = "yes" ; then
4927   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
4928 fi
4929
4930 if test "$pragma_diagnostic_available" = "yes" ; then
4931   echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
4932 fi
4933
4934 if test "$valgrind_h" = "yes" ; then
4935   echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
4936 fi
4937
4938 if test "$has_environ" = "yes" ; then
4939   echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
4940 fi
4941
4942 if test "$cpuid_h" = "yes" ; then
4943   echo "CONFIG_CPUID_H=y" >> $config_host_mak
4944 fi
4945
4946 if test "$int128" = "yes" ; then
4947   echo "CONFIG_INT128=y" >> $config_host_mak
4948 fi
4949
4950 if test "$getauxval" = "yes" ; then
4951   echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
4952 fi
4953
4954 if test "$glusterfs" = "yes" ; then
4955   echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
4956   echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
4957   echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
4958 fi
4959
4960 if test "$glusterfs_discard" = "yes" ; then
4961   echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
4962 fi
4963
4964 if test "$glusterfs_zerofill" = "yes" ; then
4965   echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
4966 fi
4967
4968 if test "$archipelago" = "yes" ; then
4969   echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
4970   echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
4971 fi
4972
4973 if test "$libssh2" = "yes" ; then
4974   echo "CONFIG_LIBSSH2=m" >> $config_host_mak
4975   echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
4976   echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
4977 fi
4978
4979 if test "$quorum" = "yes" ; then
4980   echo "CONFIG_QUORUM=y" >> $config_host_mak
4981 fi
4982
4983 if test "$vhdx" = "yes" ; then
4984   echo "CONFIG_VHDX=y" >> $config_host_mak
4985 fi
4986
4987 # USB host support
4988 if test "$libusb" = "yes"; then
4989   echo "HOST_USB=libusb legacy" >> $config_host_mak
4990 else
4991   echo "HOST_USB=stub" >> $config_host_mak
4992 fi
4993
4994 # TPM passthrough support?
4995 if test "$tpm" = "yes"; then
4996   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
4997   if test "$tpm_passthrough" = "yes"; then
4998     echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
4999   fi
5000 fi
5001
5002 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5003 if have_backend "nop"; then
5004   echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5005 fi
5006 if have_backend "simple"; then
5007   echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5008   # Set the appropriate trace file.
5009   trace_file="\"$trace_file-\" FMT_pid"
5010 fi
5011 if have_backend "stderr"; then
5012   echo "CONFIG_TRACE_STDERR=y" >> $config_host_mak
5013 fi
5014 if have_backend "ust"; then
5015   echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5016 fi
5017 if have_backend "dtrace"; then
5018   echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5019   if test "$trace_backend_stap" = "yes" ; then
5020     echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5021   fi
5022 fi
5023 if have_backend "ftrace"; then
5024   if test "$linux" = "yes" ; then
5025     echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5026   else
5027     feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5028   fi
5029 fi
5030 echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5031
5032 if test "$rdma" = "yes" ; then
5033   echo "CONFIG_RDMA=y" >> $config_host_mak
5034 fi
5035
5036 # Hold two types of flag:
5037 #   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5038 #                                     a thread we have a handle to
5039 #   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5040 #                                     platform
5041 if test "$pthread_setname_np" = "yes" ; then
5042   echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5043   echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5044 fi
5045
5046 if test "$tcg_interpreter" = "yes"; then
5047   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5048 elif test "$ARCH" = "sparc64" ; then
5049   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5050 elif test "$ARCH" = "s390x" ; then
5051   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5052 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5053   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5054 elif test "$ARCH" = "ppc64" ; then
5055   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5056 else
5057   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5058 fi
5059 QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5060
5061 echo "TOOLS=$tools" >> $config_host_mak
5062 echo "ROMS=$roms" >> $config_host_mak
5063 echo "MAKE=$make" >> $config_host_mak
5064 echo "INSTALL=$install" >> $config_host_mak
5065 echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5066 echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5067 if test -n "$libtool"; then
5068   echo "INSTALL_PROG=\$(LIBTOOL) --mode=install $install -c -m 0755" >> $config_host_mak
5069   echo "INSTALL_LIB=\$(LIBTOOL) --mode=install $install -c -m 0644" >> $config_host_mak
5070 else
5071   echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5072   echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5073 fi
5074 echo "PYTHON=$python" >> $config_host_mak
5075 echo "CC=$cc" >> $config_host_mak
5076 if $iasl -h > /dev/null 2>&1; then
5077   echo "IASL=$iasl" >> $config_host_mak
5078 fi
5079 echo "CC_I386=$cc_i386" >> $config_host_mak
5080 echo "HOST_CC=$host_cc" >> $config_host_mak
5081 echo "CXX=$cxx" >> $config_host_mak
5082 echo "OBJCC=$objcc" >> $config_host_mak
5083 echo "AR=$ar" >> $config_host_mak
5084 echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5085 echo "AS=$as" >> $config_host_mak
5086 echo "CPP=$cpp" >> $config_host_mak
5087 echo "OBJCOPY=$objcopy" >> $config_host_mak
5088 echo "LD=$ld" >> $config_host_mak
5089 echo "NM=$nm" >> $config_host_mak
5090 echo "WINDRES=$windres" >> $config_host_mak
5091 echo "LIBTOOL=$libtool" >> $config_host_mak
5092 echo "CFLAGS=$CFLAGS" >> $config_host_mak
5093 echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5094 echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5095 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5096 if test "$sparse" = "yes" ; then
5097   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5098   echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5099   echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5100   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5101   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5102 fi
5103 if test "$cross_prefix" != ""; then
5104   echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5105 else
5106   echo "AUTOCONF_HOST := "                             >> $config_host_mak
5107 fi
5108 echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5109 echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5110 echo "LIBTOOLFLAGS=$LIBTOOLFLAGS" >> $config_host_mak
5111 echo "LIBS+=$LIBS" >> $config_host_mak
5112 echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5113 echo "EXESUF=$EXESUF" >> $config_host_mak
5114 echo "DSOSUF=$DSOSUF" >> $config_host_mak
5115 echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5116 echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5117 echo "POD2MAN=$POD2MAN" >> $config_host_mak
5118 echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5119 if test "$gcov" = "yes" ; then
5120   echo "CONFIG_GCOV=y" >> $config_host_mak
5121   echo "GCOV=$gcov_tool" >> $config_host_mak
5122 fi
5123
5124 # use included Linux headers
5125 if test "$linux" = "yes" ; then
5126   mkdir -p linux-headers
5127   case "$cpu" in
5128   i386|x86_64|x32)
5129     linux_arch=x86
5130     ;;
5131   ppcemb|ppc|ppc64)
5132     linux_arch=powerpc
5133     ;;
5134   s390x)
5135     linux_arch=s390
5136     ;;
5137   aarch64)
5138     linux_arch=arm64
5139     ;;
5140   mips64)
5141     linux_arch=mips
5142     ;;
5143   *)
5144     # For most CPUs the kernel architecture name and QEMU CPU name match.
5145     linux_arch="$cpu"
5146     ;;
5147   esac
5148     # For non-KVM architectures we will not have asm headers
5149     if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5150       symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5151     fi
5152 fi
5153
5154 for target in $target_list; do
5155 target_dir="$target"
5156 config_target_mak=$target_dir/config-target.mak
5157 target_name=`echo $target | cut -d '-' -f 1`
5158 target_bigendian="no"
5159
5160 case "$target_name" in
5161   armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5162   target_bigendian=yes
5163   ;;
5164 esac
5165 target_softmmu="no"
5166 target_user_only="no"
5167 target_linux_user="no"
5168 target_bsd_user="no"
5169 case "$target" in
5170   ${target_name}-softmmu)
5171     target_softmmu="yes"
5172     ;;
5173   ${target_name}-linux-user)
5174     if test "$linux" != "yes" ; then
5175       error_exit "Target '$target' is only available on a Linux host"
5176     fi
5177     target_user_only="yes"
5178     target_linux_user="yes"
5179     ;;
5180   ${target_name}-bsd-user)
5181     if test "$bsd" != "yes" ; then
5182       error_exit "Target '$target' is only available on a BSD host"
5183     fi
5184     target_user_only="yes"
5185     target_bsd_user="yes"
5186     ;;
5187   *)
5188     error_exit "Target '$target' not recognised"
5189     exit 1
5190     ;;
5191 esac
5192
5193 mkdir -p $target_dir
5194 echo "# Automatically generated by configure - do not modify" > $config_target_mak
5195
5196 bflt="no"
5197 interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_name/g"`
5198 gdb_xml_files=""
5199
5200 TARGET_ARCH="$target_name"
5201 TARGET_BASE_ARCH=""
5202 TARGET_ABI_DIR=""
5203
5204 case "$target_name" in
5205   i386)
5206   ;;
5207   x86_64)
5208     TARGET_BASE_ARCH=i386
5209   ;;
5210   alpha)
5211   ;;
5212   arm|armeb)
5213     TARGET_ARCH=arm
5214     bflt="yes"
5215     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5216   ;;
5217   aarch64)
5218     TARGET_BASE_ARCH=arm
5219     bflt="yes"
5220     gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5221   ;;
5222   cris)
5223   ;;
5224   lm32)
5225   ;;
5226   m68k)
5227     bflt="yes"
5228     gdb_xml_files="cf-core.xml cf-fp.xml"
5229   ;;
5230   microblaze|microblazeel)
5231     TARGET_ARCH=microblaze
5232     bflt="yes"
5233   ;;
5234   mips|mipsel)
5235     TARGET_ARCH=mips
5236     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5237   ;;
5238   mipsn32|mipsn32el)
5239     TARGET_ARCH=mips64
5240     TARGET_BASE_ARCH=mips
5241     echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5242     echo "TARGET_ABI32=y" >> $config_target_mak
5243   ;;
5244   mips64|mips64el)
5245     TARGET_ARCH=mips64
5246     TARGET_BASE_ARCH=mips
5247     echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5248   ;;
5249   moxie)
5250   ;;
5251   or32)
5252     TARGET_ARCH=openrisc
5253     TARGET_BASE_ARCH=openrisc
5254   ;;
5255   ppc)
5256     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5257   ;;
5258   ppcemb)
5259     TARGET_BASE_ARCH=ppc
5260     TARGET_ABI_DIR=ppc
5261     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5262   ;;
5263   ppc64)
5264     TARGET_BASE_ARCH=ppc
5265     TARGET_ABI_DIR=ppc
5266     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5267   ;;
5268   ppc64le)
5269     TARGET_ARCH=ppc64
5270     TARGET_BASE_ARCH=ppc
5271     TARGET_ABI_DIR=ppc
5272     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5273   ;;
5274   ppc64abi32)
5275     TARGET_ARCH=ppc64
5276     TARGET_BASE_ARCH=ppc
5277     TARGET_ABI_DIR=ppc
5278     echo "TARGET_ABI32=y" >> $config_target_mak
5279     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5280   ;;
5281   sh4|sh4eb)
5282     TARGET_ARCH=sh4
5283     bflt="yes"
5284   ;;
5285   sparc)
5286   ;;
5287   sparc64)
5288     TARGET_BASE_ARCH=sparc
5289   ;;
5290   sparc32plus)
5291     TARGET_ARCH=sparc64
5292     TARGET_BASE_ARCH=sparc
5293     TARGET_ABI_DIR=sparc
5294     echo "TARGET_ABI32=y" >> $config_target_mak
5295   ;;
5296   s390x)
5297     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml"
5298   ;;
5299   tricore)
5300   ;;
5301   unicore32)
5302   ;;
5303   xtensa|xtensaeb)
5304     TARGET_ARCH=xtensa
5305   ;;
5306   *)
5307     error_exit "Unsupported target CPU"
5308   ;;
5309 esac
5310 # TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
5311 if [ "$TARGET_BASE_ARCH" = "" ]; then
5312   TARGET_BASE_ARCH=$TARGET_ARCH
5313 fi
5314
5315 symlink "$source_path/Makefile.target" "$target_dir/Makefile"
5316
5317 upper() {
5318     echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
5319 }
5320
5321 target_arch_name="`upper $TARGET_ARCH`"
5322 echo "TARGET_$target_arch_name=y" >> $config_target_mak
5323 echo "TARGET_NAME=$target_name" >> $config_target_mak
5324 echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
5325 if [ "$TARGET_ABI_DIR" = "" ]; then
5326   TARGET_ABI_DIR=$TARGET_ARCH
5327 fi
5328 echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
5329 if [ "$HOST_VARIANT_DIR" != "" ]; then
5330     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
5331 fi
5332 case "$target_name" in
5333   i386|x86_64)
5334     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
5335       echo "CONFIG_XEN=y" >> $config_target_mak
5336       if test "$xen_pci_passthrough" = yes; then
5337         echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
5338       fi
5339     fi
5340     ;;
5341   *)
5342 esac
5343 case "$target_name" in
5344   aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
5345     # Make sure the target and host cpus are compatible
5346     if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
5347       \( "$target_name" = "$cpu" -o \
5348       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
5349       \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
5350       \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
5351       \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
5352       \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
5353       \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
5354       \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
5355       \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
5356       \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
5357       echo "CONFIG_KVM=y" >> $config_target_mak
5358       if test "$vhost_net" = "yes" ; then
5359         echo "CONFIG_VHOST_NET=y" >> $config_target_mak
5360       fi
5361     fi
5362 esac
5363 if test "$target_bigendian" = "yes" ; then
5364   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
5365 fi
5366 if test "$target_softmmu" = "yes" ; then
5367   echo "CONFIG_SOFTMMU=y" >> $config_target_mak
5368 fi
5369 if test "$target_user_only" = "yes" ; then
5370   echo "CONFIG_USER_ONLY=y" >> $config_target_mak
5371   echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
5372 fi
5373 if test "$target_linux_user" = "yes" ; then
5374   echo "CONFIG_LINUX_USER=y" >> $config_target_mak
5375 fi
5376 list=""
5377 if test ! -z "$gdb_xml_files" ; then
5378   for x in $gdb_xml_files; do
5379     list="$list $source_path/gdb-xml/$x"
5380   done
5381   echo "TARGET_XML_FILES=$list" >> $config_target_mak
5382 fi
5383
5384 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
5385   echo "TARGET_HAS_BFLT=y" >> $config_target_mak
5386 fi
5387 if test "$target_user_only" = "yes" -a "$guest_base" = "yes"; then
5388   echo "CONFIG_USE_GUEST_BASE=y" >> $config_target_mak
5389 fi
5390 if test "$target_bsd_user" = "yes" ; then
5391   echo "CONFIG_BSD_USER=y" >> $config_target_mak
5392 fi
5393
5394 # generate QEMU_CFLAGS/LDFLAGS for targets
5395
5396 cflags=""
5397 ldflags=""
5398
5399 for i in $ARCH $TARGET_BASE_ARCH ; do
5400   case "$i" in
5401   alpha)
5402     echo "CONFIG_ALPHA_DIS=y"  >> $config_target_mak
5403     echo "CONFIG_ALPHA_DIS=y"  >> config-all-disas.mak
5404   ;;
5405   aarch64)
5406     if test -n "${cxx}"; then
5407       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5408       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5409     fi
5410   ;;
5411   arm)
5412     echo "CONFIG_ARM_DIS=y"  >> $config_target_mak
5413     echo "CONFIG_ARM_DIS=y"  >> config-all-disas.mak
5414     if test -n "${cxx}"; then
5415       echo "CONFIG_ARM_A64_DIS=y"  >> $config_target_mak
5416       echo "CONFIG_ARM_A64_DIS=y"  >> config-all-disas.mak
5417     fi
5418   ;;
5419   cris)
5420     echo "CONFIG_CRIS_DIS=y"  >> $config_target_mak
5421     echo "CONFIG_CRIS_DIS=y"  >> config-all-disas.mak
5422   ;;
5423   hppa)
5424     echo "CONFIG_HPPA_DIS=y"  >> $config_target_mak
5425     echo "CONFIG_HPPA_DIS=y"  >> config-all-disas.mak
5426   ;;
5427   i386|x86_64|x32)
5428     echo "CONFIG_I386_DIS=y"  >> $config_target_mak
5429     echo "CONFIG_I386_DIS=y"  >> config-all-disas.mak
5430   ;;
5431   ia64*)
5432     echo "CONFIG_IA64_DIS=y"  >> $config_target_mak
5433     echo "CONFIG_IA64_DIS=y"  >> config-all-disas.mak
5434   ;;
5435   lm32)
5436     echo "CONFIG_LM32_DIS=y"  >> $config_target_mak
5437     echo "CONFIG_LM32_DIS=y"  >> config-all-disas.mak
5438   ;;
5439   m68k)
5440     echo "CONFIG_M68K_DIS=y"  >> $config_target_mak
5441     echo "CONFIG_M68K_DIS=y"  >> config-all-disas.mak
5442   ;;
5443   microblaze*)
5444     echo "CONFIG_MICROBLAZE_DIS=y"  >> $config_target_mak
5445     echo "CONFIG_MICROBLAZE_DIS=y"  >> config-all-disas.mak
5446   ;;
5447   mips*)
5448     echo "CONFIG_MIPS_DIS=y"  >> $config_target_mak
5449     echo "CONFIG_MIPS_DIS=y"  >> config-all-disas.mak
5450   ;;
5451   moxie*)
5452     echo "CONFIG_MOXIE_DIS=y"  >> $config_target_mak
5453     echo "CONFIG_MOXIE_DIS=y"  >> config-all-disas.mak
5454   ;;
5455   or32)
5456     echo "CONFIG_OPENRISC_DIS=y"  >> $config_target_mak
5457     echo "CONFIG_OPENRISC_DIS=y"  >> config-all-disas.mak
5458   ;;
5459   ppc*)
5460     echo "CONFIG_PPC_DIS=y"  >> $config_target_mak
5461     echo "CONFIG_PPC_DIS=y"  >> config-all-disas.mak
5462   ;;
5463   s390*)
5464     echo "CONFIG_S390_DIS=y"  >> $config_target_mak
5465     echo "CONFIG_S390_DIS=y"  >> config-all-disas.mak
5466   ;;
5467   sh4)
5468     echo "CONFIG_SH4_DIS=y"  >> $config_target_mak
5469     echo "CONFIG_SH4_DIS=y"  >> config-all-disas.mak
5470   ;;
5471   sparc*)
5472     echo "CONFIG_SPARC_DIS=y"  >> $config_target_mak
5473     echo "CONFIG_SPARC_DIS=y"  >> config-all-disas.mak
5474   ;;
5475   xtensa*)
5476     echo "CONFIG_XTENSA_DIS=y"  >> $config_target_mak
5477     echo "CONFIG_XTENSA_DIS=y"  >> config-all-disas.mak
5478   ;;
5479   esac
5480 done
5481 if test "$tcg_interpreter" = "yes" ; then
5482   echo "CONFIG_TCI_DIS=y"  >> $config_target_mak
5483   echo "CONFIG_TCI_DIS=y"  >> config-all-disas.mak
5484 fi
5485
5486 case "$ARCH" in
5487 alpha)
5488   # Ensure there's only a single GP
5489   cflags="-msmall-data $cflags"
5490 ;;
5491 esac
5492
5493 if test "$gprof" = "yes" ; then
5494   echo "TARGET_GPROF=yes" >> $config_target_mak
5495   if test "$target_linux_user" = "yes" ; then
5496     cflags="-p $cflags"
5497     ldflags="-p $ldflags"
5498   fi
5499   if test "$target_softmmu" = "yes" ; then
5500     ldflags="-p $ldflags"
5501     echo "GPROF_CFLAGS=-p" >> $config_target_mak
5502   fi
5503 fi
5504
5505 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
5506   ldflags="$ldflags $textseg_ldflags"
5507 fi
5508
5509 echo "LDFLAGS+=$ldflags" >> $config_target_mak
5510 echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
5511
5512 done # for target in $targets
5513
5514 if [ "$pixman" = "internal" ]; then
5515   echo "config-host.h: subdir-pixman" >> $config_host_mak
5516 fi
5517
5518 if test "$rdma" = "yes" ; then
5519 echo "CONFIG_RDMA=y" >> $config_host_mak
5520 fi
5521
5522 if [ "$dtc_internal" = "yes" ]; then
5523   echo "config-host.h: subdir-dtc" >> $config_host_mak
5524 fi
5525
5526 if test "$numa" = "yes"; then
5527   echo "CONFIG_NUMA=y" >> $config_host_mak
5528 fi
5529
5530 if test "$ccache_cpp2" = "yes"; then
5531   echo "export CCACHE_CPP2=y" >> $config_host_mak
5532 fi
5533
5534 # build tree in object directory in case the source is not in the current directory
5535 DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
5536 DIRS="$DIRS fsdev"
5537 DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
5538 DIRS="$DIRS roms/seabios roms/vgabios"
5539 DIRS="$DIRS qapi-generated"
5540 FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
5541 FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
5542 FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
5543 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
5544 FILES="$FILES pc-bios/spapr-rtas/Makefile"
5545 FILES="$FILES pc-bios/s390-ccw/Makefile"
5546 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
5547 FILES="$FILES pc-bios/qemu-icon.bmp"
5548 for bios_file in \
5549     $source_path/pc-bios/*.bin \
5550     $source_path/pc-bios/*.aml \
5551     $source_path/pc-bios/*.rom \
5552     $source_path/pc-bios/*.dtb \
5553     $source_path/pc-bios/*.img \
5554     $source_path/pc-bios/openbios-* \
5555     $source_path/pc-bios/u-boot.* \
5556     $source_path/pc-bios/palcode-*
5557 do
5558     FILES="$FILES pc-bios/`basename $bios_file`"
5559 done
5560 for test_file in `find $source_path/tests/acpi-test-data -type f`
5561 do
5562     FILES="$FILES tests/acpi-test-data`echo $test_file | sed -e 's/.*acpi-test-data//'`"
5563 done
5564 mkdir -p $DIRS
5565 for f in $FILES ; do
5566     if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
5567         symlink "$source_path/$f" "$f"
5568     fi
5569 done
5570
5571 # temporary config to build submodules
5572 for rom in seabios vgabios ; do
5573     config_mak=roms/$rom/config.mak
5574     echo "# Automatically generated by configure - do not modify" > $config_mak
5575     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
5576     echo "AS=$as" >> $config_mak
5577     echo "CC=$cc" >> $config_mak
5578     echo "BCC=bcc" >> $config_mak
5579     echo "CPP=$cpp" >> $config_mak
5580     echo "OBJCOPY=objcopy" >> $config_mak
5581     echo "IASL=$iasl" >> $config_mak
5582     echo "LD=$ld" >> $config_mak
5583 done
5584
5585 # set up qemu-iotests in this build directory
5586 iotests_common_env="tests/qemu-iotests/common.env"
5587 iotests_check="tests/qemu-iotests/check"
5588
5589 echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
5590 echo >> "$iotests_common_env"
5591 echo "export PYTHON='$python'" >> "$iotests_common_env"
5592
5593 if [ ! -e "$iotests_check" ]; then
5594     symlink "$source_path/$iotests_check" "$iotests_check"
5595 fi
5596
5597 # Save the configure command line for later reuse.
5598 cat <<EOD >config.status
5599 #!/bin/sh
5600 # Generated by configure.
5601 # Run this file to recreate the current configuration.
5602 # Compiler output produced by configure, useful for debugging
5603 # configure, is in config.log if it exists.
5604 EOD
5605 printf "exec" >>config.status
5606 printf " '%s'" "$0" "$@" >>config.status
5607 echo >>config.status
5608 chmod +x config.status
5609
5610 rm -r "$TMPDIR1"