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}"

TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S"

TMPI="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.i"

TMPSDLLOG="${TMPDIR1}/qemu-conf-sdl-$$-${RANDOM}.log"

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

# default parameters

prefix=""

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

static="no"

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"

strip="strip"

# parse CC options first

for opt do

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

  case "$opt" in

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

  ;;

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

  ;;

  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}"

strip="${cross_prefix}${strip}"

# check that the C compiler works.

cat > $TMPC <<EOF

int main(void) {}

EOF

if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC > /dev/null 2> /dev/null ; 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

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

}

if 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

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

    cpu="i386"

  ;;

  x86_64|amd64)

    cpu="x86_64"

  ;;

  alpha)

    cpu="alpha"

  ;;

  armv*b)

    cpu="armv4b"

  ;;

  armv*l)

    cpu="armv4l"

  ;;

  cris)

    cpu="cris"

  ;;

  parisc|parisc64)

    cpu="hppa"

  ;;

  ia64)

    cpu="ia64"

  ;;

  m68k)

    cpu="m68k"

  ;;

  microblaze)

    cpu="microblaze"

  ;;

  mips)

    cpu="mips"

  ;;

  mips64)

    cpu="mips64"

  ;;

  ppc)

    cpu="ppc"

  ;;

  ppc64)

    cpu="ppc64"

  ;;

  s390*)

    cpu="s390"

  ;;

  sparc|sun4[cdmuv])

    cpu="sparc"

  ;;

  sparc64)

    cpu="sparc64"

  ;;

  *)

    cpu="unknown"

  ;;

esac

gprof="no"

debug_tcg="no"

debug="no"

sparse="no"

strip_opt="yes"

bigendian="no"

mingw32="no"

EXESUF=""

slirp="yes"

vde="yes"

fmod_lib=""

fmod_inc=""

oss_lib=""

vnc_tls="yes"

vnc_sasl="yes"

bsd="no"

linux="no"

solaris="no"

kqemu="no"

profiler="no"

cocoa="no"

softmmu="yes"

linux_user="no"

darwin_user="no"

bsd_user="no"

build_docs="yes"

uname_release=""

curses="yes"

curl="yes"

pthread="yes"

aio="yes"

io_thread="no"

nptl="yes"

mixemu="no"

bluez="yes"

kvm="no"

kerneldir=""

aix="no"

blobs="yes"

fdt="yes"

sdl="yes"

sdl_x11="no"

xen="yes"

pkgversion=""

# 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"

OS_CFLAGS="-mno-cygwin"

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

    kqemu="yes"

fi

audio_possible_drivers="sdl"

;;

MINGW32*)

mingw32="yes"

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

    kqemu="yes"

fi

audio_possible_drivers="dsound sdl fmod"

;;

GNU/kFreeBSD)

audio_drv_list="oss"

audio_possible_drivers="oss sdl esd pa"

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

    kqemu="yes"

fi

;;

FreeBSD)

bsd="yes"

audio_drv_list="oss"

audio_possible_drivers="oss sdl esd pa"

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

    kqemu="yes"

fi

;;

DragonFly)

bsd="yes"

audio_drv_list="oss"

audio_possible_drivers="oss sdl esd pa"

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

    kqemu="yes"

fi

aio="no"

;;

NetBSD)

bsd="yes"

audio_drv_list="oss"

audio_possible_drivers="oss sdl esd"

oss_lib="-lossaudio"

;;

OpenBSD)

bsd="yes"

openbsd="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

    OS_CFLAGS="-arch x86_64"

    LDFLAGS="-arch x86_64"

else

    OS_CFLAGS="-mdynamic-no-pic"

fi

darwin_user="yes"

cocoa="yes"

audio_drv_list="coreaudio"

audio_possible_drivers="coreaudio sdl fmod"

OS_LDFLAGS="-framework CoreFoundation -framework IOKit"

;;

SunOS)

    solaris="yes"

    make="gmake"

    install="ginstall"

    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"

            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

        if test "$solarisrev" -ge 9 ; then

            kqemu="yes"

        fi

    fi

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

        audio_drv_list="oss"

    fi

    audio_possible_drivers="oss sdl"

    OS_CFLAGS=-std=gnu99

;;

AIX)

aix="yes"

make="gmake"

;;

*)

audio_drv_list="oss"

audio_possible_drivers="oss alsa sdl esd pa"

linux="yes"

linux_user="yes"

usb="linux"

kvm="yes"

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

    kqemu="yes"

    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

# 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=*) CFLAGS="$optarg"

  ;;

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

  ;;

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

  ;;

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

  ;;

  --enable-gprof) gprof="yes"

  ;;

  --static) static="yes"

  ;;

  --disable-sdl) sdl="no"

  ;;

  --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"

  ;;

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

  ;;

  --disable-slirp) slirp="no"

  ;;

  --disable-vde) vde="no"

  ;;

  --disable-kqemu) kqemu="no"

  ;;

  --disable-xen) xen="no"

  ;;

  --disable-brlapi) brlapi="no"

  ;;

  --disable-bluez) bluez="no"

  ;;

  --disable-kvm) kvm="no"

  ;;

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

  ;;

  --sparc_cpu=*)

      sparc_cpu="$optarg"

      case $sparc_cpu in

        v7|v8) SP_CFLAGS="-m32 -mcpu=${sparc_cpu} -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m32"

                 target_cpu="sparc"; cpu="sparc" ;;

        v8plus|v8plusa) SP_CFLAGS="-m32 -mcpu=ultrasparc -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m32"

                 target_cpu="sparc"; cpu="sparc" ;;

        v9)    SP_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_${sparc_cpu}__"; SP_LDFLAGS="-m64"

                 target_cpu="sparc64"; cpu="sparc64" ;;

        *)     echo "undefined SPARC architecture. Exiting";exit 1;;

      esac

  ;;

  --enable-werror) werror="yes"

  ;;

  --disable-werror) werror="no"

  ;;

  --disable-curses) curses="no"

  ;;

  --disable-curl) curl="no"

  ;;

  --disable-nptl) nptl="no"

  ;;

  --enable-mixemu) mixemu="yes"

  ;;

  --disable-pthread) pthread="no"

  ;;

  --disable-aio) aio="no"

  ;;

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

  ;;

  --disable-blobs) blobs="no"

  ;;

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

  ;;

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

  ;;

  --disable-docs) build_docs="no"

  ;;

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

  ;;

  esac

done

# default flags for all hosts

CFLAGS="$CFLAGS -g -fno-strict-aliasing"

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

  CFLAGS="$CFLAGS -O2"

fi

CFLAGS="$CFLAGS -Wall -Wundef -Wendif-labels -Wwrite-strings -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls"

LDFLAGS="$LDFLAGS -g"

# Consult white-list to determine whether to enable werror

# by default.  Only enable by default for git builds

if test -z "$werror" ; then

    z_version=`cut -f3 -d. $source_path/VERSION`

    if test "$z_version" = "50" -a \

        "$linux" = "yes" ; then

        werror="yes"

    else

        werror="no"

    fi

fi

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

    CFLAGS="$CFLAGS -Werror"

fi

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

    if ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then

        LDFLAGS="$LDFLAGS -Wl,--warn-common"

    fi

fi

#

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

# ARCH_CFLAGS/ARCH_LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)

#

case "$cpu" in

    sparc) if test -z "$sparc_cpu" ; then

               ARCH_CFLAGS="-m32 -mcpu=ultrasparc -D__sparc_v8plus__"

               ARCH_LDFLAGS="-m32"

           else

               ARCH_CFLAGS="${SP_CFLAGS}"

               ARCH_LDFLAGS="${SP_LDFLAGS}"

           fi

           ARCH_CFLAGS="$ARCH_CFLAGS -ffixed-g2 -ffixed-g3"

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

               ARCH_CFLAGS="$ARCH_CFLAGS -ffixed-g1 -ffixed-g6"

           fi

           ;;

    sparc64) if test -z "$sparc_cpu" ; then

               ARCH_CFLAGS="-m64 -mcpu=ultrasparc -D__sparc_v9__"

               ARCH_LDFLAGS="-m64"

           else

               ARCH_CFLAGS="${SP_CFLAGS}"

               ARCH_LDFLAGS="${SP_LDFLAGS}"

           fi

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

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

           else

               ARCH_CFLAGS="$ARCH_CFLAGS -ffixed-g1 -ffixed-g5 -ffixed-g6 -ffixed-g7"

           fi

           ;;

    s390)

           ARCH_CFLAGS="-march=z900"

           ;;

    i386)

           ARCH_CFLAGS="-m32"

           ARCH_LDFLAGS="-m32"

           ;;

    x86_64)

           ARCH_CFLAGS="-m64"

           ARCH_LDFLAGS="-m64"

           ;;

esac

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 "kqemu kernel acceleration support:"

echo "  --disable-kqemu          disable kqemu support"

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    add C compiler flags CFLAGS"

echo "  --extra-ldflags=LDFLAGS  add 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-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 "  --disable-brlapi         disable BrlAPI"

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

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

echo "  --disable-curses         disable curses output"

echo "  --disable-curl           disable curl connectivity"

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

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

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

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

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

echo "  --disable-pthread        disable pthread support"

echo "  --disable-aio            disable 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

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

    linux="no"

    EXESUF=".exe"

    oss="no"

    linux_user="no"

    bsd_user="no"

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

fi

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

    sparse="no"

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

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 $cc $ARCH_CFLAGS -o $TMPE $TMPC > /dev/null 2> /dev/null ; then

$TMPE && bigendian="yes"

else

echo big/little test failed

fi

else

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

if test "$cpu" = "armv4b" \

     -o "$cpu" = "hppa" \

     -o "$cpu" = "m68k" \

     -o "$cpu" = "mips" \

     -o "$cpu" = "mips64" \

     -o "$cpu" = "ppc" \

     -o "$cpu" = "ppc64" \

     -o "$cpu" = "s390" \

     -o "$cpu" = "sparc" \

     -o "$cpu" = "sparc64"; then

    bigendian="yes"

fi

fi

# host long bits test

hostlongbits="32"

if test "$cpu" = "x86_64" \

     -o "$cpu" = "alpha" \

     -o "$cpu" = "ia64" \

     -o "$cpu" = "sparc64" \

     -o "$cpu" = "ppc64"; then

    hostlongbits="64"

fi

# Check host NPTL support

cat > $TMPC <<EOF

#include <sched.h>

#include <linux/futex.h>

void foo()

{

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

#error bork

#endif

}

EOF

if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC > /dev/null 2> /dev/null ; then

  :

else

   nptl="no"

fi

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

# zlib check

cat > $TMPC << EOF

#include <zlib.h>

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

EOF

if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $TMPC -lz > /dev/null 2> /dev/null ; 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" = "yes" ; then

cat > $TMPC <<EOF

#include <xenctrl.h>

#include <xs.h>

int main(void) { xs_daemon_open; xc_interface_open; }

EOF

   if $cc $ARCH_CFLAGS -c -o $TMPO $TMPC -lxenstore -lxenctrl 2> /dev/null > /dev/null ; then

      :

   else

      xen="no"

   fi

fi

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

# SDL probe

sdl_too_old=no

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

    sdl_config="sdl-config"

    sdl=no

    sdl_static=no

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

    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} `$sdl_config --cflags 2> /dev/null` $TMPC `$sdl_config --libs 2> /dev/null` > $TMPSDLLOG 2>&1 ; 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" ; then

            aa="no"

            `$sdl_config --static-libs 2>/dev/null | grep \\\-laa > /dev/null` && aa="yes"

            sdl_static_libs=`$sdl_config --static-libs 2>/dev/null`

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

                sdl_static_libs="$sdl_static_libs `aalib-config --static-libs`"

            fi

            if $cc -o $TMPE ${OS_CFLAGS} `$sdl_config --cflags 2> /dev/null` $TMPC $sdl_static_libs > /dev/null 2> /dev/null; then

                sdl_static=yes

            fi

        fi # static link

    fi # sdl compile test

else

    # Make sure to disable cocoa if sdl was set

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

       cocoa="no"

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

    fi

fi # -z $sdl

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 $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} `$sdl_config --cflags 2> /dev/null` $TMPC `$sdl_config --libs 2> /dev/null` > /dev/null 2>&1 ; then

	sdl_x11="yes"

    fi

fi

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

# VNC TLS detection

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

cat > $TMPC <<EOF

#include <gnutls/gnutls.h>

int main(void) { gnutls_session_t s; gnutls_init(&s, GNUTLS_SERVER); return 0; }

EOF

    vnc_tls_cflags=`pkg-config --cflags gnutls 2> /dev/null`

    vnc_tls_libs=`pkg-config --libs gnutls 2> /dev/null`

    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $vnc_tls_cflags $TMPC \

           $vnc_tls_libs > /dev/null 2> /dev/null ; then

	:

    else

	vnc_tls="no"

    fi

fi

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

# VNC SASL detection

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

cat > $TMPC <<EOF

#include <sasl/sasl.h>

#include <stdio.h>

int main(void) { sasl_server_init(NULL, "qemu"); return 0; }

EOF

    # Assuming Cyrus-SASL installed in /usr prefix

    vnc_sasl_cflags=""

    vnc_sasl_libs="-lsasl2"

    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $vnc_sasl_cflags $TMPC \

           $vnc_sasl_libs 2> /dev/null > /dev/null ; then

	:

    else

	vnc_sasl="no"

    fi

fi

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

# fnmatch() probe, used for ACL routines

fnmatch="no"

cat > $TMPC << EOF

#include <fnmatch.h>

int main(void)

{

    fnmatch("foo", "foo", 0);

    return 0;

}

EOF

if $cc $ARCH_CFLAGS -o $TMPE $TMPC > /dev/null 2> /dev/null ; then

   fnmatch="yes"

fi

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

# vde libraries probe

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

  cat > $TMPC << EOF

#include <libvdeplug.h>

int main(void)

{

    struct vde_open_args a = {0, 0, 0};

    vde_open("", "", &a);

    return 0;

}

EOF

    if $cc $ARCH_CFLAGS -o $TMPE $TMPC -lvdeplug > /dev/null 2> /dev/null ; then

        :

    else

        vde="no"

    fi

fi