#!/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"

# default parameters
prefix=""
interp_prefix="/usr/gnemul/qemu-%M"
static="no"
cross_prefix=""
cc="gcc"
host_cc="gcc"
ar="ar"
make="make"
install="install"
strip="strip"
cpu=`uname -m`
target_list=""
case "$cpu" in
  i386|i486|i586|i686|i86pc|BePC)
    cpu="i386"
  ;;
  armv*b)
    cpu="armv4b"
  ;;
  armv*l)
    cpu="armv4l"
  ;;
  alpha)
    cpu="alpha"
  ;;
  "Power Macintosh"|ppc|ppc64)
    cpu="powerpc"
  ;;
  mips)
    cpu="mips"
  ;;
  s390)
    cpu="s390"
  ;;
  sparc|sun4[muv])
    cpu="sparc"
  ;;
  sparc64)
    cpu="sparc64"
  ;;
  ia64)
    cpu="ia64"
  ;;
  m68k)
    cpu="m68k"
  ;;
  x86_64|amd64)
    cpu="x86_64"
  ;;
  *)
    cpu="unknown"
  ;;
esac
gprof="no"
bigendian="no"
mingw32="no"
EXESUF=""
gdbstub="yes"
slirp="yes"
adlib="no"
oss="no"
dsound="no"
coreaudio="no"
alsa="no"
fmod="no"
fmod_lib=""
fmod_inc=""
bsd="no"
linux="no"
kqemu="no"
profiler="no"
kernel_path=""
cocoa="no"
check_gfx="yes"
check_gcc="yes"
softmmu="yes"
user="no"
build_docs="no"

# OS specific
targetos=`uname -s`
case $targetos in
CYGWIN*)
mingw32="yes"
CFLAGS="-O2 -mno-cygwin"
;;
MINGW32*)
mingw32="yes"
;;
FreeBSD)
bsd="yes"
oss="yes"
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
    kqemu="yes"
fi
;;
NetBSD)
bsd="yes"
oss="yes"
;;
OpenBSD)
bsd="yes"
oss="yes"
;;
Darwin)
bsd="yes"
darwin="yes"
;;
SunOS)
solaris="yes"
;;
*)
oss="yes"
linux="yes"
user="yes"
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
    kqemu="yes"
fi
;;
esac

if [ "$bsd" = "yes" ] ; then
  if [ "$darwin" != "yes" ] ; then
    make="gmake"
  fi
fi

if [ "$solaris" = "yes" ] ; then
    make="gmake"
    install="ginstall"
    solarisrev=`uname -r | cut -f2 -d.`
    if test $solarisrev -lt 10 ; then
      presolaris10="yes"
    fi
fi

# find source path
source_path=`dirname "$0"`
if [ -z "$source_path" ]; then
    source_path=`pwd`
else
    source_path=`cd "$source_path"; pwd`
fi
if test "$source_path" = `pwd` ; then
    source_path_used="no"
else
    source_path_used="yes"
fi

for opt do
  optarg=`expr "$opt" : '[^=]*=\(.*\)'`
  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=*) cross_prefix="$optarg"
  ;;
  --cc=*) cc="$optarg"
  ;;
  --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="$optarg"
  ;;
  --enable-gprof) gprof="yes"
  ;;
  --static) static="yes"
  ;;
  --disable-sdl) sdl="no"
  ;;
  --enable-coreaudio) coreaudio="yes"
  ;;
  --enable-alsa) alsa="yes"
  ;;
  --enable-dsound) dsound="yes"
  ;;
  --enable-fmod) fmod="yes"
  ;;
  --fmod-lib=*) fmod_lib="$optarg"
  ;;
  --fmod-inc=*) fmod_inc="$optarg"
  ;;
  --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
  ;;
  --disable-slirp) slirp="no"
  ;;
  --enable-adlib) adlib="yes"
  ;;
  --disable-kqemu) kqemu="no"
  ;;
  --enable-profiler) profiler="yes"
  ;;
  --kernel-path=*) kernel_path="$optarg"
  ;;
  --enable-cocoa) cocoa="yes" ; coreaudio="yes" ; sdl="no"
  ;;
  --disable-gfx-check) check_gfx="no"
  ;;
  --disable-gcc-check) check_gcc="no"
  ;;
  --disable-system) softmmu="no"
  ;;
  --enable-system) softmmu="yes"
  ;;
  --disable-user) user="no"
  ;;
  --enable-user) user="yes"
  ;;
  esac
done

# Checking for CFLAGS
if test -z "$CFLAGS"; then
    CFLAGS="-O2"
fi

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 [$target_list]"
echo ""
echo "kqemu kernel acceleration support:"
echo "  --disable-kqemu          disable kqemu support"
echo "  --kernel-path=PATH       set the kernel path (configure probes it)"
echo ""
echo "Advanced options (experts only):"
echo "  --source-path=PATH       path of source code [$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 [$host_cc] for dyngen etc."
echo "  --make=MAKE              use specified make [$make]"
echo "  --install=INSTALL        use specified install [$install]"
echo "  --static                 enable static build [$static]"
echo "  --enable-cocoa           enable COCOA (Mac OS X only)"
echo "  --enable-mingw32         enable Win32 cross compilation with mingw32"
echo "  --enable-adlib           enable Adlib emulation"
echo "  --enable-coreaudio       enable Coreaudio audio driver"
echo "  --enable-alsa            enable ALSA audio driver"
echo "  --enable-fmod            enable FMOD audio driver"
echo "  --enabled-dsound         enable DirectSound audio driver"
echo "  --enable-system          enable all system emulation targets"
echo "  --disable-system         disable all system emulation targets"
echo "  --enable-user            enable all linux usermode emulation targets"
echo "  --disable-user           disable all linux usermode emulation targets"
echo "  --fmod-lib               path to FMOD library"
echo "  --fmod-inc               path to FMOD includes"
echo ""
echo "NOTE: The object files are build at the place where configure is launched"
exit 1
fi

cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
strip="${cross_prefix}${strip}"

if [ ! -x "`which $cc`" ] ; then
    echo "Compiler $cc could not be found"
    exit
fi

if test "$mingw32" = "yes" ; then
    linux="no"
    EXESUF=".exe"
    gdbstub="no"
    oss="no"
    if [ "$cpu" = "i386" ] ; then
        kqemu="yes"
    fi
fi

#
# Solaris specific configure tool chain decisions
#
if test "$solaris" = "yes" ; then
  #
  # gcc for solaris 10/fcs in /usr/sfw/bin doesn't compile qemu correctly
  # override the check with --disable-gcc-check
  # 
  if test "$solarisrev" -eq 10 -a "$check_gcc" = "yes" ; then
    solgcc=`which $cc`
    if test "$solgcc" = "/usr/sfw/bin/gcc" ; then
      echo "Solaris 10/FCS gcc in /usr/sfw/bin will not compiled qemu correctly."
      echo "please get gcc-3.4.3 or later, from www.blastwave.org using pkg-get -i gcc3"
      echo "or get the latest patch from SunSolve for gcc"
      exit 1
    fi
  fi
  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 ppc-softmmu sparc-softmmu x86_64-softmmu mips-softmmu mipsel-softmmu arm-softmmu"
    fi
# the following are Linux specific
    if [ "$user" = "yes" ] ; then
        target_list="i386-user arm-user armeb-user sparc-user ppc-user mips-user mipsel-user $target_list"
    fi
else
    target_list=`echo "$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 -o $TMPE $TMPC 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 "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" -o "$cpu" = "sparc" -o "$cpu" = "sparc64" -o "$cpu" = "m68k" -o "$cpu" = "armv4b"; then
    bigendian="yes"
fi

fi

# host long bits test
hostlongbits="32"
if test "$cpu" = "sparc64" -o "$cpu" = "ia64" -o "$cpu" = "x86_64" -o "$cpu" = "alpha"; then
    hostlongbits="64"
fi

# check gcc options support
cat > $TMPC <<EOF
int main(void) {
}
EOF

have_gcc3_options="no"
if $cc -fno-reorder-blocks -fno-optimize-sibling-calls -o $TMPO $TMPC 2> /dev/null ; then
   have_gcc3_options="yes"
fi

# Check for gcc4, error if pre-gcc4 
if test "$check_gcc" = "yes" ; then
    cat > $TMPC <<EOF
#if __GNUC__ < 4
#error gcc3
#endif
int main(){return 0;}
EOF
    if $cc -o $TMPO $TMPC 2>/dev/null ; then
        echo "ERROR: \"$cc\" looks like gcc 4.x"
        echo "QEMU is known to have problems when compiled with gcc 4.x"
        echo "It is recommended that you use gcc 3.x to build QEMU"
        echo "To use this compiler anyway, configure with --disable-gcc-check"
        exit 1;
    fi
fi

##########################################
# SDL probe

sdl_too_old=no

if test -z "$sdl" ; then

sdl_config="sdl-config"
sdl=no
sdl_static=no

if test "$mingw32" = "yes" -a ! -z "$cross_prefix" ; then
# win32 cross compilation case
    sdl_config="i386-mingw32msvc-sdl-config"
    sdl=yes
else
# normal SDL probe
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 -o $TMPE `$sdl_config --cflags 2> /dev/null` $TMPC `$sdl_config --libs 2> /dev/null` 2> /dev/null ; then
_sdlversion=`$sdl_config --version | sed 's/[^0-9]//g'`
if test "$_sdlversion" -lt 121 ; then
sdl_too_old=yes
else
sdl=yes
fi

# static link with sdl ?
if test "$sdl" = "yes" ; then
aa="no"
`$sdl_config --static-libs | grep \\\-laa > /dev/null` && aa="yes"
sdl_static_libs=`$sdl_config --static-libs`
if [ "$aa" = "yes" ] ; then
  sdl_static_libs="$sdl_static_libs `aalib-config --static-libs`"
fi

if $cc -o $TMPE `$sdl_config --cflags 2> /dev/null` $TMPC $sdl_static_libs 2> /dev/null; then
  sdl_static=yes
fi

fi # static link

fi # sdl compile test

fi # cross compilation
fi # -z $sdl

# Check if tools are available to build documentation.
if [ -x "`which texi2html`" ] && [ -x "`which pod2man`" ]; then
  build_docs="yes"
fi

if test "$mingw32" = "yes" ; then
if test -z "$prefix" ; then
    prefix="/c/Program Files/Qemu"
fi
mandir="$prefix"
datadir="$prefix"
docdir="$prefix"
bindir="$prefix"
else
if test -z "$prefix" ; then
    prefix="/usr/local"
fi
mandir="$prefix/share/man"
datadir="$prefix/share/qemu"
docdir="$prefix/share/doc/qemu"
bindir="$prefix/bin"
fi

echo "Install prefix    $prefix"
echo "BIOS directory    $datadir"
echo "binary directory  $bindir"
if test "$mingw32" = "no" ; then
echo "Manual directory  $mandir"
echo "ELF interp prefix $interp_prefix"
fi
echo "Source path       $source_path"
echo "C compiler        $cc"
echo "Host C compiler   $host_cc"
echo "make              $make"
echo "install           $install"
echo "host CPU          $cpu"
echo "host big endian   $bigendian"
echo "target list       $target_list"
echo "gprof enabled     $gprof"
echo "profiler          $profiler"
echo "static build      $static"
if test "$darwin" = "yes" ; then
    echo "Cocoa support     $cocoa"
fi
echo "SDL support       $sdl"
if test "$sdl" != "no" ; then
    echo "SDL static link   $sdl_static"
fi
echo "mingw32 support   $mingw32"
echo "Adlib support     $adlib"
echo "CoreAudio support $coreaudio"
echo "ALSA support      $alsa"
echo "DSound support    $dsound"
if test "$fmod" = "yes"; then
    if test -z $fmod_lib || test -z $fmod_inc; then
        echo
        echo "Error: You must specify path to FMOD library and headers"
        echo "Example: --fmod-inc=/path/include/fmod --fmod-lib=/path/lib/libfmod-3.74.so"
        echo
        exit 1
    fi
    fmod_support=" (lib='$fmod_lib' include='$fmod_inc')"
else
    fmod_support=""
fi
echo "FMOD support      $fmod $fmod_support"
echo "kqemu support     $kqemu"
echo "Documentation     $build_docs"

if test $sdl_too_old = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
fi
#if test "$sdl_static" = "no"; then
#  echo "WARNING: cannot compile statically with SDL - qemu-fast won't have a graphical output"
#fi
config_mak="config-host.mak"
config_h="config-host.h"

#echo "Creating $config_mak and $config_h"

echo "# Automatically generated by configure - do not modify" > $config_mak
echo "# Configured with: $0 $@" >> $config_mak
echo "/* Automatically generated by configure - do not modify */" > $config_h

echo "prefix=$prefix" >> $config_mak
echo "bindir=$bindir" >> $config_mak
echo "mandir=$mandir" >> $config_mak
echo "datadir=$datadir" >> $config_mak
echo "docdir=$docdir" >> $config_mak
echo "#define CONFIG_QEMU_SHAREDIR \"$datadir\"" >> $config_h
echo "MAKE=$make" >> $config_mak
echo "INSTALL=$install" >> $config_mak
echo "CC=$cc" >> $config_mak
if test "$have_gcc3_options" = "yes" ; then
  echo "HAVE_GCC3_OPTIONS=yes" >> $config_mak
fi
echo "HOST_CC=$host_cc" >> $config_mak
echo "AR=$ar" >> $config_mak
echo "STRIP=$strip -s -R .comment -R .note" >> $config_mak
echo "CFLAGS=$CFLAGS" >> $config_mak
echo "LDFLAGS=$LDFLAGS" >> $config_mak
echo "EXESUF=$EXESUF" >> $config_mak
if test "$cpu" = "i386" ; then
  echo "ARCH=i386" >> $config_mak
  echo "#define HOST_I386 1" >> $config_h
elif test "$cpu" = "x86_64" ; then
  echo "ARCH=x86_64" >> $config_mak
  echo "#define HOST_X86_64 1" >> $config_h
elif test "$cpu" = "armv4b" ; then
  echo "ARCH=arm" >> $config_mak
  echo "#define HOST_ARM 1" >> $config_h
elif test "$cpu" = "armv4l" ; then
  echo "ARCH=arm" >> $config_mak
  echo "#define HOST_ARM 1" >> $config_h
elif test "$cpu" = "powerpc" ; then
  echo "ARCH=ppc" >> $config_mak
  echo "#define HOST_PPC 1" >> $config_h
elif test "$cpu" = "mips" ; then
  echo "ARCH=mips" >> $config_mak
  echo "#define HOST_MIPS 1" >> $config_h
elif test "$cpu" = "s390" ; then
  echo "ARCH=s390" >> $config_mak
  echo "#define HOST_S390 1" >> $config_h
elif test "$cpu" = "alpha" ; then
  echo "ARCH=alpha" >> $config_mak
  echo "#define HOST_ALPHA 1" >> $config_h
elif test "$cpu" = "sparc" ; then
  echo "ARCH=sparc" >> $config_mak
  echo "#define HOST_SPARC 1" >> $config_h
elif test "$cpu" = "sparc64" ; then
  echo "ARCH=sparc64" >> $config_mak
  echo "#define HOST_SPARC64 1" >> $config_h
elif test "$cpu" = "ia64" ; then
  echo "ARCH=ia64" >> $config_mak
  echo "#define HOST_IA64 1" >> $config_h
elif test "$cpu" = "m68k" ; then
  echo "ARCH=m68k" >> $config_mak
  echo "#define HOST_M68K 1" >> $config_h
else
  echo "Unsupported CPU"
  exit 1
fi
if test "$bigendian" = "yes" ; then
  echo "WORDS_BIGENDIAN=yes" >> $config_mak
  echo "#define WORDS_BIGENDIAN 1" >> $config_h
fi
echo "#define HOST_LONG_BITS $hostlongbits" >> $config_h
if test "$mingw32" = "yes" ; then
  echo "CONFIG_WIN32=yes" >> $config_mak
  echo "#define CONFIG_WIN32 1" >> $config_h
elif test -f "/usr/include/byteswap.h" ; then
  echo "#define HAVE_BYTESWAP_H 1" >> $config_h
fi
if test "$darwin" = "yes" ; then
  echo "CONFIG_DARWIN=yes" >> $config_mak
  echo "#define CONFIG_DARWIN 1" >> $config_h
fi
if test "$solaris" = "yes" ; then
  echo "CONFIG_SOLARIS=yes" >> $config_mak
  if test "$presolaris10" = "yes" ; then
    echo "#define _PRESOLARIS10 1" >> $config_h
  fi
fi
if test "$gdbstub" = "yes" ; then
  echo "CONFIG_GDBSTUB=yes" >> $config_mak
  echo "#define CONFIG_GDBSTUB 1" >> $config_h
fi
if test "$gprof" = "yes" ; then
  echo "TARGET_GPROF=yes" >> $config_mak
  echo "#define HAVE_GPROF 1" >> $config_h
fi
if test "$static" = "yes" ; then
  echo "CONFIG_STATIC=yes" >> $config_mak
  echo "#define CONFIG_STATIC 1" >> $config_h
fi
if test $profiler = "yes" ; then
  echo "#define CONFIG_PROFILER 1" >> $config_h
fi
if test "$slirp" = "yes" ; then
  echo "CONFIG_SLIRP=yes" >> $config_mak
  echo "#define CONFIG_SLIRP 1" >> $config_h
fi
if test "$adlib" = "yes" ; then
  echo "CONFIG_ADLIB=yes" >> $config_mak
  echo "#define CONFIG_ADLIB 1" >> $config_h
fi
if test "$oss" = "yes" ; then
  echo "CONFIG_OSS=yes" >> $config_mak
  echo "#define CONFIG_OSS 1" >> $config_h
fi
if test "$coreaudio" = "yes" ; then
  echo "CONFIG_COREAUDIO=yes" >> $config_mak
  echo "#define CONFIG_COREAUDIO 1" >> $config_h
fi
if test "$alsa" = "yes" ; then
  echo "CONFIG_ALSA=yes" >> $config_mak
  echo "#define CONFIG_ALSA 1" >> $config_h
fi
if test "$dsound" = "yes" ; then
  echo "CONFIG_DSOUND=yes" >> $config_mak
  echo "#define CONFIG_DSOUND 1" >> $config_h
fi
if test "$fmod" = "yes" ; then
  echo "CONFIG_FMOD=yes" >> $config_mak
  echo "CONFIG_FMOD_LIB=$fmod_lib" >> $config_mak
  echo "CONFIG_FMOD_INC=$fmod_inc" >> $config_mak
  echo "#define CONFIG_FMOD 1" >> $config_h
fi
qemu_version=`head $source_path/VERSION`
echo "VERSION=$qemu_version" >>$config_mak
echo "#define QEMU_VERSION \"$qemu_version\"" >> $config_h

echo "SRC_PATH=$source_path" >> $config_mak
if [ "$source_path_used" = "yes" ]; then
  echo "VPATH=$source_path" >> $config_mak
fi
echo "TARGET_DIRS=$target_list" >> $config_mak
if [ "$build_docs" = "yes" ] ; then
  echo "BUILD_DOCS=yes" >> $config_mak
fi

# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
  echo "#define O_LARGEFILE 0" >> $config_h
  echo "#define MAP_ANONYMOUS MAP_ANON" >> $config_h
  echo "#define _BSD 1" >> $config_h
fi

for target in $target_list; do
target_dir="$target"
config_mak=$target_dir/config.mak
config_h=$target_dir/config.h
target_cpu=`echo $target | cut -d '-' -f 1`
target_bigendian="no"
[ "$target_cpu" = "armeb" ] && target_bigendian=yes
[ "$target_cpu" = "sparc" ] && target_bigendian=yes
[ "$target_cpu" = "sparc64" ] && target_bigendian=yes
[ "$target_cpu" = "ppc" ] && target_bigendian=yes
[ "$target_cpu" = "ppc64" ] && target_bigendian=yes
[ "$target_cpu" = "mips" ] && target_bigendian=yes
target_softmmu="no"
if expr $target : '.*-softmmu' > /dev/null ; then
  target_softmmu="yes"
fi
target_user_only="no"
if expr $target : '.*-user' > /dev/null ; then
  target_user_only="yes"
fi

if test "$target_user_only" = "no" -a "$check_gfx" = "yes" \
        -a "$sdl" = "no" -a "$cocoa" = "no" ; then
    echo "ERROR: QEMU requires SDL or Cocoa for graphical output"
    echo "To build QEMU without graphical output configure with --disable-gfx-check"
    echo "Note that this will disable all output from the virtual graphics card."
    exit 1;
fi

#echo "Creating $config_mak, $config_h and $target_dir/Makefile"

mkdir -p $target_dir
mkdir -p $target_dir/fpu
if test "$target" = "arm-user" -o "$target" = "armeb-user" ; then
  mkdir -p $target_dir/nwfpe
fi
if test "$target_user_only" = "no" ; then
  mkdir -p $target_dir/slirp
fi

#
# don't use ln -sf as not all "ln -sf" over write the file/link
#
rm -f $target_dir/Makefile
ln -s $source_path/Makefile.target $target_dir/Makefile


echo "# Automatically generated by configure - do not modify" > $config_mak
echo "/* Automatically generated by configure - do not modify */" > $config_h


echo "include ../config-host.mak" >> $config_mak
echo "#include \"../config-host.h\"" >> $config_h

interp_prefix1=`echo "$interp_prefix" | sed "s/%M/$target_cpu/g"`
echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix1\"" >> $config_h

if test "$target_cpu" = "i386" ; then
  echo "TARGET_ARCH=i386" >> $config_mak
  echo "#define TARGET_ARCH \"i386\"" >> $config_h
  echo "#define TARGET_I386 1" >> $config_h
  if test $kqemu = "yes" -a "$target_softmmu" = "yes" -a $cpu = "i386" ; then
    echo "#define USE_KQEMU 1" >> $config_h
  fi
elif test "$target_cpu" = "arm" -o "$target_cpu" = "armeb" ; then
  echo "TARGET_ARCH=arm" >> $config_mak
  echo "#define TARGET_ARCH \"arm\"" >> $config_h
  echo "#define TARGET_ARM 1" >> $config_h
elif test "$target_cpu" = "sparc" ; then
  echo "TARGET_ARCH=sparc" >> $config_mak
  echo "#define TARGET_ARCH \"sparc\"" >> $config_h
  echo "#define TARGET_SPARC 1" >> $config_h
elif test "$target_cpu" = "sparc64" ; then
  echo "TARGET_ARCH=sparc64" >> $config_mak
  echo "#define TARGET_ARCH \"sparc64\"" >> $config_h
  echo "#define TARGET_SPARC 1" >> $config_h
  echo "#define TARGET_SPARC64 1" >> $config_h
elif test "$target_cpu" = "ppc" ; then
  echo "TARGET_ARCH=ppc" >> $config_mak
  echo "#define TARGET_ARCH \"ppc\"" >> $config_h
  echo "#define TARGET_PPC 1" >> $config_h
elif test "$target_cpu" = "ppc64" ; then
  echo "TARGET_ARCH=ppc64" >> $config_mak
  echo "#define TARGET_ARCH \"ppc64\"" >> $config_h
  echo "#define TARGET_PPC 1" >> $config_h
  echo "#define TARGET_PPC64 1" >> $config_h
elif test "$target_cpu" = "x86_64" ; then
  echo "TARGET_ARCH=x86_64" >> $config_mak
  echo "#define TARGET_ARCH \"x86_64\"" >> $config_h
  echo "#define TARGET_I386 1" >> $config_h
  echo "#define TARGET_X86_64 1" >> $config_h
  if test $kqemu = "yes" -a "$target_softmmu" = "yes" -a $cpu = "x86_64"  ; then
    echo "#define USE_KQEMU 1" >> $config_h
  fi
elif test "$target_cpu" = "mips" -o "$target_cpu" = "mipsel" ; then
  echo "TARGET_ARCH=mips" >> $config_mak
  echo "#define TARGET_ARCH \"mips\"" >> $config_h
  echo "#define TARGET_MIPS 1" >> $config_h
else
  echo "Unsupported target CPU"
  exit 1
fi
if test "$target_bigendian" = "yes" ; then
  echo "TARGET_WORDS_BIGENDIAN=yes" >> $config_mak
  echo "#define TARGET_WORDS_BIGENDIAN 1" >> $config_h
fi
if test "$target_softmmu" = "yes" ; then
  echo "CONFIG_SOFTMMU=yes" >> $config_mak
  echo "#define CONFIG_SOFTMMU 1" >> $config_h
fi
if test "$target_user_only" = "yes" ; then
  echo "CONFIG_USER_ONLY=yes" >> $config_mak
  echo "#define CONFIG_USER_ONLY 1" >> $config_h
fi

if test "$target_cpu" = "arm" -o "$target_cpu" = "armeb" ; then
  echo "CONFIG_SOFTFLOAT=yes" >> $config_mak
  echo "#define CONFIG_SOFTFLOAT 1" >> $config_h
fi
# sdl defines

if test "$target_user_only" = "no"; then
    if test "$target_softmmu" = "no" -o "$static" = "yes"; then
        sdl1=$sdl_static
    else
        sdl1=$sdl
    fi
    if test "$sdl1" = "yes" ; then
        echo "#define CONFIG_SDL 1" >> $config_h
        echo "CONFIG_SDL=yes" >> $config_mak
        if test "$target_softmmu" = "no" -o "$static" = "yes"; then
            echo "SDL_LIBS=$sdl_static_libs" >> $config_mak
        else
            echo "SDL_LIBS=`$sdl_config --libs`" >> $config_mak
        fi
        if [ "${aa}" = "yes" ] ; then
            echo "SDL_CFLAGS=`$sdl_config --cflags` `aalib-config --cflags`" >> $config_mak
        else
            echo "SDL_CFLAGS=`$sdl_config --cflags`" >> $config_mak
        fi
    fi
fi

if test "$cocoa" = "yes" ; then
    echo "#define CONFIG_COCOA 1" >> $config_h
    echo "CONFIG_COCOA=yes" >> $config_mak
fi

done # for target in $targets

# build tree in object directory if source path is different from current one
if test "$source_path_used" = "yes" ; then
    DIRS="tests"
    FILES="Makefile tests/Makefile"
    for dir in $DIRS ; do
            mkdir -p $dir
    done
    # remove the link and recreate it, as not all "ln -sf" overwrite the link
    for f in $FILES ; do
        rm -f $f
        ln -s $source_path/$f $f
    done
fi

rm -f $TMPO $TMPC $TMPE $TMPS