Archipelago » qemu

#!/bin/sh

#

# qemu configure script (c) 2003 Fabrice Bellard

#

# set temporary file name

if test ! -z "$TMPDIR" ; then

    TMPDIR1="${TMPDIR}"

elif test ! -z "$TEMPDIR" ; then

    TMPDIR1="${TEMPDIR}"

else

    TMPDIR1="/tmp"

fi

TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"

TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"

TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}"

trap "rm -f $TMPC $TMPO $TMPE ; exit" 0 2 3 15

compile_object() {

  $cc $QEMU_CFLAGS -c -o $TMPO $TMPC > /dev/null 2> /dev/null

}

compile_prog() {

  local_cflags="$1"

  local_ldflags="$2"

  $cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags > /dev/null 2> /dev/null

}

# default parameters

cpu=""

prefix=""

interp_prefix="/usr/gnemul/qemu-%M"

static="no"

sparc_cpu=""

cross_prefix=""

cc="gcc"

audio_drv_list=""

audio_card_list="ac97 es1370 sb16"

audio_possible_cards="ac97 es1370 sb16 cs4231a adlib gus"

host_cc="gcc"

ar="ar"

make="make"

install="install"

objcopy="objcopy"

ld="ld"

helper_cflags=""

libs_softmmu=""

libs_tools=""

audio_pt_int=""

# parse CC options first

for opt do

  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`

  case "$opt" in

  --cross-prefix=*) cross_prefix="$optarg"

  ;;

  --cc=*) cc="$optarg"

  ;;

  --cpu=*) cpu="$optarg"

  ;;

  --extra-cflags=*) QEMU_CFLAGS="$optarg $QEMU_CFLAGS"

  ;;

  --extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"

  ;;

  --sparc_cpu=*)

    sparc_cpu="$optarg"

    case $sparc_cpu in

    v7|v8|v8plus|v8plusa)

      cpu="sparc"

    ;;

    v9)

      cpu="sparc64"

    ;;

    *)

      echo "undefined SPARC architecture. Exiting";

      exit 1

    ;;

    esac

  ;;

  esac

done

# OS specific

# Using uname is really, really broken.  Once we have the right set of checks

# we can eliminate it's usage altogether

cc="${cross_prefix}${cc}"

ar="${cross_prefix}${ar}"

objcopy="${cross_prefix}${objcopy}"

ld="${cross_prefix}${ld}"

# check that the C compiler works.

cat > $TMPC <<EOF

int main(void) {}

EOF

if compile_object ; then

  : C compiler works ok

else

    echo "ERROR: \"$cc\" either does not exist or does not work"

    exit 1

fi

check_define() {

cat > $TMPC <<EOF

#if !defined($1)

#error Not defined

#endif

int main(void) { return 0; }

EOF

  compile_object

}

if test ! -z "$cpu" ; then

  # command line argument

  :

elif check_define __i386__ ; then

  cpu="i386"

elif check_define __x86_64__ ; then

  cpu="x86_64"

elif check_define __sparc__ ; then

  # We can't check for 64 bit (when gcc is biarch) or V8PLUSA

  # They must be specified using --sparc_cpu

  if check_define __arch64__ ; then

    cpu="sparc64"

  else

    cpu="sparc"

  fi

elif check_define _ARCH_PPC ; then

  if check_define _ARCH_PPC64 ; then

    cpu="ppc64"

  else

    cpu="ppc"

  fi

else

  cpu=`uname -m`

fi

target_list=""

case "$cpu" in

  alpha|cris|ia64|m68k|microblaze|mips|mips64|ppc|ppc64|sparc64)

    cpu="$cpu"

  ;;

  i386|i486|i586|i686|i86pc|BePC)

    cpu="i386"

  ;;

  x86_64|amd64)

    cpu="x86_64"

  ;;

  armv*b)

    cpu="armv4b"

  ;;

  armv*l)

    cpu="armv4l"

  ;;

  parisc|parisc64)

    cpu="hppa"

  ;;

  s390*)

    cpu="s390"

  ;;

  sparc|sun4[cdmuv])

    cpu="sparc"

  ;;

  *)

    cpu="unknown"

  ;;

esac

# Default value for a variable defining feature "foo"

#  * foo="no", feature will only be used if --enable-foo arg is given

#  * foo="", feature will be searched for, and if found, will be used

#  * foo="yes", this value vill only be set by --enable-foo flag.

#                   feature will searched for, if not found, configure exits with error

#

# Always add --enable-foo and --disable-foo command line args.  Distributions want

# to ensure that several features are compiled in, and it is impossible without a

# --enable-foo that exits if feature is not found

bluez=""

brlapi=""

curl=""

curses=""

docs=""

fdt=""

kvm=""

nptl=""

sdl=""

sparse="no"

uuid=""

vde=""

vnc_tls=""

vnc_sasl=""

xen=""

linux_aio=""

gprof="no"

debug_tcg="no"

debug="no"

strip_opt="yes"

bigendian="no"

mingw32="no"

EXESUF=""

slirp="yes"

fmod_lib=""

fmod_inc=""

oss_lib=""

bsd="no"

linux="no"

solaris="no"

profiler="no"

cocoa="no"

softmmu="yes"

linux_user="no"

darwin_user="no"

bsd_user="no"

guest_base=""

uname_release=""

io_thread="no"

mixemu="no"

kerneldir=""

aix="no"

blobs="yes"

pkgversion=""

check_utests="no"

user_pie="no"

# OS specific

if check_define __linux__ ; then

  targetos="Linux"

elif check_define _WIN32 ; then

  targetos='MINGW32'

elif check_define __OpenBSD__ ; then

  targetos='OpenBSD'

elif check_define __sun__ ; then

  targetos='SunOS'

else

  targetos=`uname -s`

fi

case $targetos in

CYGWIN*)

  mingw32="yes"

  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"

  audio_possible_drivers="sdl"

;;

MINGW32*)

  mingw32="yes"

  audio_possible_drivers="dsound sdl fmod"

;;

GNU/kFreeBSD)

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

;;

FreeBSD)

  bsd="yes"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

;;

DragonFly)

  bsd="yes"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd pa"

;;

NetBSD)

  bsd="yes"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd"

  oss_lib="-lossaudio"

;;

OpenBSD)

  bsd="yes"

  audio_drv_list="oss"

  audio_possible_drivers="oss sdl esd"

  oss_lib="-lossaudio"

;;

Darwin)

  bsd="yes"

  darwin="yes"

  # on Leopard most of the system is 32-bit, so we have to ask the kernel it if we can

  # run 64-bit userspace code

  if [ "$cpu" = "i386" ] ; then

    is_x86_64=`sysctl -n hw.optional.x86_64`

    [ "$is_x86_64" = "1" ] && cpu=x86_64

  fi

  if [ "$cpu" = "x86_64" ] ; then

    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"

    LDFLAGS="-arch x86_64 $LDFLAGS"

  else

    QEMU_CFLAGS="-mdynamic-no-pic $QEMU_CFLAGS"

  fi

  darwin_user="yes"

  cocoa="yes"

  audio_drv_list="coreaudio"

  audio_possible_drivers="coreaudio sdl fmod"

  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"

  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"

;;

SunOS)

  solaris="yes"

  make="gmake"

  install="ginstall"

  ld="gld"

  needs_libsunmath="no"

  solarisrev=`uname -r | cut -f2 -d.`

  # have to select again, because `uname -m` returns i86pc

  # even on an x86_64 box.

  solariscpu=`isainfo -k`

  if test "${solariscpu}" = "amd64" ; then

    cpu="x86_64"

  fi

  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then

    if test "$solarisrev" -le 9 ; then

      if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then

        needs_libsunmath="yes"

        QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"

        LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"

        LIBS="-lsunmath $LIBS"

      else

        echo "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without"

        echo "libsunmath from the Sun Studio compilers tools, due to a lack of"

        echo "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86"

        echo "Studio 11 can be downloaded from www.sun.com."

        exit 1

      fi

    fi

  fi

  if test -f /usr/include/sys/soundcard.h ; then

    audio_drv_list="oss"

  fi

  audio_possible_drivers="oss sdl"

# needed for CMSG_ macros in sys/socket.h

  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"

# needed for TIOCWIN* defines in termios.h

  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"

  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"

  LIBS="-lsocket -lnsl -lresolv $LIBS"

;;

AIX)

  aix="yes"

  make="gmake"

;;

*)

  audio_drv_list="oss"

  audio_possible_drivers="oss alsa sdl esd pa"

  linux="yes"

  linux_user="yes"

  usb="linux"

  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then

    audio_possible_drivers="$audio_possible_drivers fmod"

  fi

;;

esac

if [ "$bsd" = "yes" ] ; then

  if [ "$darwin" != "yes" ] ; then

    make="gmake"

    usb="bsd"

  fi

  bsd_user="yes"

fi

if test "$mingw32" = "yes" ; then

  EXESUF=".exe"

  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"

  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"

fi

# find source path

source_path=`dirname "$0"`

source_path_used="no"

workdir=`pwd`

if [ -z "$source_path" ]; then

    source_path=$workdir

else

    source_path=`cd "$source_path"; pwd`

fi

[ -f "$workdir/vl.c" ] || source_path_used="yes"

werror=""

for opt do

  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`

  case "$opt" in

  --help|-h) show_help=yes

  ;;

  --prefix=*) prefix="$optarg"

  ;;

  --interp-prefix=*) interp_prefix="$optarg"

  ;;

  --source-path=*) source_path="$optarg"

  source_path_used="yes"

  ;;

  --cross-prefix=*)

  ;;

  --cc=*)

  ;;

  --host-cc=*) host_cc="$optarg"

  ;;

  --make=*) make="$optarg"

  ;;

  --install=*) install="$optarg"

  ;;

  --extra-cflags=*)

  ;;

  --extra-ldflags=*)

  ;;

  --cpu=*)

  ;;

  --target-list=*) target_list="$optarg"

  ;;

  --enable-gprof) gprof="yes"

  ;;

  --static) static="yes"

  ;;

  --disable-sdl) sdl="no"

  ;;

  --enable-sdl) sdl="yes"

  ;;

  --fmod-lib=*) fmod_lib="$optarg"

  ;;

  --fmod-inc=*) fmod_inc="$optarg"

  ;;

  --oss-lib=*) oss_lib="$optarg"

  ;;

  --audio-card-list=*) audio_card_list=`echo "$optarg" | sed -e 's/,/ /g'`

  ;;

  --audio-drv-list=*) audio_drv_list="$optarg"

  ;;

  --enable-debug-tcg) debug_tcg="yes"

  ;;

  --disable-debug-tcg) debug_tcg="no"

  ;;

  --enable-debug)

      # Enable debugging options that aren't excessively noisy

      debug_tcg="yes"

      debug="yes"

      strip_opt="no"

  ;;

  --enable-sparse) sparse="yes"

  ;;

  --disable-sparse) sparse="no"

  ;;

  --disable-strip) strip_opt="no"

  ;;

  --disable-vnc-tls) vnc_tls="no"

  ;;

  --enable-vnc-tls) vnc_tls="yes"

  ;;

  --disable-vnc-sasl) vnc_sasl="no"

  ;;

  --enable-vnc-sasl) vnc_sasl="yes"

  ;;

  --disable-slirp) slirp="no"

  ;;

  --disable-uuid) uuid="no"

  ;;

  --enable-uuid) uuid="yes"

  ;;

  --disable-vde) vde="no"

  ;;

  --enable-vde) vde="yes"

  ;;

  --disable-xen) xen="no"

  ;;

  --enable-xen) xen="yes"

  ;;

  --disable-brlapi) brlapi="no"

  ;;

  --enable-brlapi) brlapi="yes"

  ;;

  --disable-bluez) bluez="no"

  ;;

  --enable-bluez) bluez="yes"

  ;;

  --disable-kvm) kvm="no"

  ;;

  --enable-kvm) kvm="yes"

  ;;

  --enable-profiler) profiler="yes"

  ;;

  --enable-cocoa)

      cocoa="yes" ;

      sdl="no" ;

      audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"

  ;;

  --disable-system) softmmu="no"

  ;;

  --enable-system) softmmu="yes"

  ;;

  --disable-user)

      linux_user="no" ;

      bsd_user="no" ;

      darwin_user="no"

  ;;

  --enable-user) ;;

  --disable-linux-user) linux_user="no"

  ;;

  --enable-linux-user) linux_user="yes"

  ;;

  --disable-darwin-user) darwin_user="no"

  ;;

  --enable-darwin-user) darwin_user="yes"

  ;;

  --disable-bsd-user) bsd_user="no"

  ;;

  --enable-bsd-user) bsd_user="yes"

  ;;

  --enable-guest-base) guest_base="yes"

  ;;

  --disable-guest-base) guest_base="no"

  ;;

  --enable-user-pie) user_pie="yes"

  ;;

  --disable-user-pie) user_pie="no"

  ;;

  --enable-uname-release=*) uname_release="$optarg"

  ;;

  --sparc_cpu=*)

  ;;

  --enable-werror) werror="yes"

  ;;

  --disable-werror) werror="no"

  ;;

  --disable-curses) curses="no"

  ;;

  --enable-curses) curses="yes"

  ;;

  --disable-curl) curl="no"

  ;;

  --enable-curl) curl="yes"

  ;;

  --disable-fdt) fdt="no"

  ;;

  --enable-fdt) fdt="yes"

  ;;

  --disable-check-utests) check_utests="no"

  ;;

  --enable-check-utests) check_utests="yes"

  ;;

  --disable-nptl) nptl="no"

  ;;

  --enable-nptl) nptl="yes"

  ;;

  --enable-mixemu) mixemu="yes"

  ;;

  --disable-linux-aio) linux_aio="no"

  ;;

  --enable-linux-aio) linux_aio="yes"

  ;;

  --enable-io-thread) io_thread="yes"

  ;;

  --disable-blobs) blobs="no"

  ;;

  --kerneldir=*) kerneldir="$optarg"

  ;;

  --with-pkgversion=*) pkgversion=" ($optarg)"

  ;;

  --disable-docs) docs="no"

  ;;

  --enable-docs) docs="yes"

  ;;

  *) echo "ERROR: unknown option $opt"; show_help="yes"

  ;;

  esac

done

#

# If cpu ~= sparc and  sparc_cpu hasn't been defined, plug in the right

# QEMU_CFLAGS/LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)

#

host_guest_base="no"

case "$cpu" in

    sparc) case $sparc_cpu in

           v7|v8)

             QEMU_CFLAGS="-mcpu=${sparc_cpu} -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"

           ;;

           v8plus|v8plusa)

             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_${sparc_cpu}__ $QEMU_CFLAGS"

           ;;

           *) # sparc_cpu not defined in the command line

             QEMU_CFLAGS="-mcpu=ultrasparc -D__sparc_v8plus__ $QEMU_CFLAGS"

           esac

           LDFLAGS="-m32 $LDFLAGS"

           QEMU_CFLAGS="-m32 -ffixed-g2 -ffixed-g3 $QEMU_CFLAGS"

           if test "$solaris" = "no" ; then

             QEMU_CFLAGS="-ffixed-g1 -ffixed-g6 $QEMU_CFLAGS"

             helper_cflags="-ffixed-i0"

           fi

           ;;

    sparc64)

           QEMU_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_v9__ $QEMU_CFLAGS"

           LDFLAGS="-m64 $LDFLAGS"

           QEMU_CFLAGS="-ffixed-g5 -ffixed-g6 -ffixed-g7 $QEMU_CFLAGS"

           if test "$solaris" != "no" ; then

             QEMU_CFLAGS="-ffixed-g1 $QEMU_CFLAGS"

           fi

           ;;

    s390)

           QEMU_CFLAGS="-march=z900 $QEMU_CFLAGS"

           ;;

    i386)

           QEMU_CFLAGS="-m32 $QEMU_CFLAGS"

           LDFLAGS="-m32 $LDFLAGS"

           helper_cflags="-fomit-frame-pointer"

           host_guest_base="yes"

           ;;

    x86_64)

           QEMU_CFLAGS="-m64 $QEMU_CFLAGS"

           LDFLAGS="-m64 $LDFLAGS"

           host_guest_base="yes"

           ;;

    arm*)

           host_guest_base="yes"

           ;;

    ppc*)

           host_guest_base="yes"

           ;;

esac

[ -z "$guest_base" ] && guest_base="$host_guest_base"

if test x"$show_help" = x"yes" ; then

cat << EOF

Usage: configure [options]

Options: [defaults in brackets after descriptions]

EOF

echo "Standard options:"

echo "  --help                   print this message"

echo "  --prefix=PREFIX          install in PREFIX [$prefix]"

echo "  --interp-prefix=PREFIX   where to find shared libraries, etc."

echo "                           use %M for cpu name [$interp_prefix]"

echo "  --target-list=LIST       set target list [$target_list]"

echo ""

echo "Advanced options (experts only):"

echo "  --source-path=PATH       path of source code [$source_path]"

echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"

echo "  --cc=CC                  use C compiler CC [$cc]"

echo "  --host-cc=CC             use C compiler CC [$host_cc] for dyngen etc."

echo "  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS"

echo "  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS"

echo "  --make=MAKE              use specified make [$make]"

echo "  --install=INSTALL        use specified install [$install]"

echo "  --static                 enable static build [$static]"

echo "  --enable-debug-tcg       enable TCG debugging"

echo "  --disable-debug-tcg      disable TCG debugging (default)"

echo "  --enable-debug           enable common debug build options"

echo "  --enable-sparse          enable sparse checker"

echo "  --disable-sparse         disable sparse checker (default)"

echo "  --disable-strip          disable stripping binaries"

echo "  --disable-werror         disable compilation abort on warning"

echo "  --disable-sdl            disable SDL"

echo "  --enable-sdl             enable SDL"

echo "  --enable-cocoa           enable COCOA (Mac OS X only)"

echo "  --audio-drv-list=LIST    set audio drivers list:"

echo "                           Available drivers: $audio_possible_drivers"

echo "  --audio-card-list=LIST   set list of emulated audio cards [$audio_card_list]"

echo "                           Available cards: $audio_possible_cards"

echo "  --enable-mixemu          enable mixer emulation"

echo "  --disable-xen            disable xen backend driver support"

echo "  --enable-xen             enable xen backend driver support"

echo "  --disable-brlapi         disable BrlAPI"

echo "  --enable-brlapi          enable BrlAPI"

echo "  --disable-vnc-tls        disable TLS encryption for VNC server"

echo "  --enable-vnc-tls         enable TLS encryption for VNC server"

echo "  --disable-vnc-sasl       disable SASL encryption for VNC server"

echo "  --enable-vnc-sasl        enable SASL encryption for VNC server"

echo "  --disable-curses         disable curses output"

echo "  --enable-curses          enable curses output"

echo "  --disable-curl           disable curl connectivity"

echo "  --enable-curl            enable curl connectivity"

echo "  --disable-fdt            disable fdt device tree"

echo "  --enable-fdt             enable fdt device tree"

echo "  --disable-check-utests   disable check unit-tests"

echo "  --enable-check-utests    enable check unit-tests"

echo "  --disable-bluez          disable bluez stack connectivity"

echo "  --enable-bluez           enable bluez stack connectivity"

echo "  --disable-kvm            disable KVM acceleration support"

echo "  --enable-kvm             enable KVM acceleration support"

echo "  --disable-nptl           disable usermode NPTL support"

echo "  --enable-nptl            enable usermode NPTL support"

echo "  --enable-system          enable all system emulation targets"

echo "  --disable-system         disable all system emulation targets"

echo "  --enable-user            enable supported user emulation targets"

echo "  --disable-user           disable all user emulation targets"

echo "  --enable-linux-user      enable all linux usermode emulation targets"

echo "  --disable-linux-user     disable all linux usermode emulation targets"

echo "  --enable-darwin-user     enable all darwin usermode emulation targets"

echo "  --disable-darwin-user    disable all darwin usermode emulation targets"

echo "  --enable-bsd-user        enable all BSD usermode emulation targets"

echo "  --disable-bsd-user       disable all BSD usermode emulation targets"

echo "  --enable-guest-base      enable GUEST_BASE support for usermode"

echo "                           emulation targets"

echo "  --disable-guest-base     disable GUEST_BASE support"

echo "  --enable-user-pie        build usermode emulation targets as PIE"

echo "  --disable-user-pie       do not build usermode emulation targets as PIE"

echo "  --fmod-lib               path to FMOD library"

echo "  --fmod-inc               path to FMOD includes"

echo "  --oss-lib                path to OSS library"

echo "  --enable-uname-release=R Return R for uname -r in usermode emulation"

echo "  --sparc_cpu=V            Build qemu for Sparc architecture v7, v8, v8plus, v8plusa, v9"

echo "  --disable-uuid           disable uuid support"

echo "  --enable-uuid            enable uuid support"

echo "  --disable-vde            disable support for vde network"

echo "  --enable-vde             enable support for vde network"

echo "  --disable-linux-aio      disable Linux AIO support"

echo "  --enable-linux-aio       enable Linux AIO support"

echo "  --enable-io-thread       enable IO thread"

echo "  --disable-blobs          disable installing provided firmware blobs"

echo "  --kerneldir=PATH         look for kernel includes in PATH"

echo ""

echo "NOTE: The object files are built at the place where configure is launched"

exit 1

fi

#

# Solaris specific configure tool chain decisions

#

if test "$solaris" = "yes" ; then

  solinst=`which $install 2> /dev/null | /usr/bin/grep -v "no $install in"`

  if test -z "$solinst" ; then

    echo "Solaris install program not found. Use --install=/usr/ucb/install or"

    echo "install fileutils from www.blastwave.org using pkg-get -i fileutils"

    echo "to get ginstall which is used by default (which lives in /opt/csw/bin)"

    exit 1

  fi

  if test "$solinst" = "/usr/sbin/install" ; then

    echo "Error: Solaris /usr/sbin/install is not an appropriate install program."

    echo "try ginstall from the GNU fileutils available from www.blastwave.org"

    echo "using pkg-get -i fileutils, or use --install=/usr/ucb/install"

    exit 1

  fi

  sol_ar=`which ar 2> /dev/null | /usr/bin/grep -v "no ar in"`

  if test -z "$sol_ar" ; then

    echo "Error: No path includes ar"

    if test -f /usr/ccs/bin/ar ; then

      echo "Add /usr/ccs/bin to your path and rerun configure"

    fi

    exit 1

  fi

fi

if test -z "$target_list" ; then

# these targets are portable

    if [ "$softmmu" = "yes" ] ; then

        target_list="\

i386-softmmu \

x86_64-softmmu \

arm-softmmu \

cris-softmmu \

m68k-softmmu \

microblaze-softmmu \

mips-softmmu \

mipsel-softmmu \

mips64-softmmu \

mips64el-softmmu \

ppc-softmmu \

ppcemb-softmmu \

ppc64-softmmu \

sh4-softmmu \

sh4eb-softmmu \

sparc-softmmu \

sparc64-softmmu \

"

    fi

# the following are Linux specific

    if [ "$linux_user" = "yes" ] ; then

        target_list="${target_list}\

i386-linux-user \

x86_64-linux-user \

alpha-linux-user \

arm-linux-user \

armeb-linux-user \

cris-linux-user \

m68k-linux-user \

microblaze-linux-user \

mips-linux-user \

mipsel-linux-user \

ppc-linux-user \

ppc64-linux-user \

ppc64abi32-linux-user \

sh4-linux-user \

sh4eb-linux-user \

sparc-linux-user \

sparc64-linux-user \

sparc32plus-linux-user \

"

    fi

# the following are Darwin specific

    if [ "$darwin_user" = "yes" ] ; then

        target_list="$target_list i386-darwin-user ppc-darwin-user "

    fi

# the following are BSD specific

    if [ "$bsd_user" = "yes" ] ; then

        target_list="${target_list}\

i386-bsd-user \

x86_64-bsd-user \

sparc-bsd-user \

sparc64-bsd-user \

"

    fi

else

    target_list=`echo "$target_list" | sed -e 's/,/ /g'`

fi

if test -z "$target_list" ; then

    echo "No targets enabled"

    exit 1

fi

feature_not_found() {

  feature=$1

  echo "ERROR"

  echo "ERROR: User requested feature $feature"

  echo "ERROR: configure was not able to find it"

  echo "ERROR"

  exit 1;

}

if test -z "$cross_prefix" ; then

# ---

# big/little endian test

cat > $TMPC << EOF

#include <inttypes.h>

int main(int argc, char ** argv){

        volatile uint32_t i=0x01234567;

        return (*((uint8_t*)(&i))) == 0x67;

}

EOF

if compile_prog "" "" ; then

$TMPE && bigendian="yes"

else

echo big/little test failed

fi

else

# if cross compiling, cannot launch a program, so make a static guess

case "$cpu" in

  armv4b|hppa|m68k|mips|mips64|ppc|ppc64|s390|sparc|sparc64)

    bigendian=yes

  ;;

esac

fi

# host long bits test

hostlongbits="32"

case "$cpu" in

  x86_64|alpha|ia64|sparc64|ppc64)

    hostlongbits=64

  ;;

esac

##########################################

# NPTL probe

if test "$nptl" != "no" ; then

  cat > $TMPC <<EOF

#include <sched.h>

#include <linux/futex.h>

void foo()

{

#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)

#error bork

#endif

}

EOF

  if compile_object ; then

    nptl=yes

  else

    if test "$nptl" = "yes" ; then

      feature_not_found "nptl"

    fi

    nptl=no

  fi

fi

##########################################

# zlib check

cat > $TMPC << EOF

#include <zlib.h>

int main(void) { zlibVersion(); return 0; }

EOF

if compile_prog "" "-lz" ; then

    :

else

    echo

    echo "Error: zlib check failed"

    echo "Make sure to have the zlib libs and headers installed."

    echo

    exit 1

fi

##########################################

# xen probe

if test "$xen" != "no" ; then

  xen_libs="-lxenstore -lxenctrl -lxenguest"

  cat > $TMPC <<EOF

#include <xenctrl.h>

#include <xs.h>

int main(void) { xs_daemon_open(); xc_interface_open(); return 0; }

EOF

  if compile_prog "" "$xen_libs" ; then

    xen=yes

    libs_softmmu="$xen_libs $libs_softmmu"

  else

    if test "$xen" = "yes" ; then

      feature_not_found "xen"

    fi

    xen=no

  fi

fi

##########################################

# Sparse probe

if test "$sparse" != "no" ; then

  if test -x "$(which cgcc 2>/dev/null)"; then

    sparse=yes

  else

    if test "$sparse" = "yes" ; then

      feature_not_found "sparse"

    fi

    sparse=no

  fi

fi

##########################################

# SDL probe

sdl_too_old=no

if test "$sdl" != "no" ; then

  cat > $TMPC << EOF

#include <SDL.h>

#undef main /* We don't want SDL to override our main() */

int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }

EOF

  sdl_cflags=`sdl-config --cflags 2> /dev/null`

  sdl_libs=`sdl-config --libs 2> /dev/null`

  if compile_prog "$sdl_cflags" "$sdl_libs" ; then

    _sdlversion=`sdl-config --version | sed 's/[^0-9]//g'`

    if test "$_sdlversion" -lt 121 ; then

      sdl_too_old=yes

    else

      if test "$cocoa" = "no" ; then

        sdl=yes

      fi

    fi

    # static link with sdl ?

    if test "$sdl" = "yes" -a "$static" = "yes" ; then

      sdl_libs=`sdl-config --static-libs 2>/dev/null`

      if test `sdl-config --static-libs 2>/dev/null | grep \\\-laa > /dev/null` ; then

         sdl_libs="$sdl_libs `aalib-config --static-libs >2 /dev/null`"

         sdl_cflags="$sd_cflags `aalib-config --cflags >2 /dev/null`"

      fi

      if compile_prog "$sdl_cflags" "$sdl_libs" ; then

	:

      else

        sdl=no

      fi

    fi # static link

  else # sdl not found

    if test "$sdl" = "yes" ; then

      feature_not_found "sdl"

    fi

    sdl=no

  fi # sdl compile test

fi

if test "$sdl" = "yes" ; then

  cat > $TMPC <<EOF

#include <SDL.h>

#if defined(SDL_VIDEO_DRIVER_X11)

#include <X11/XKBlib.h>

#else

#error No x11 support

#endif

int main(void) { return 0; }

EOF

  if compile_prog "$sdl_cflags" "$sdl_libs" ; then