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"

TMPH="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.h"

# default parameters

prefix="/usr/local"

interp_prefix="/usr/gnemul/qemu-i386"

static="no"

cross_prefix=""

cc="gcc"

host_cc="gcc"

ar="ar"

make="make"

strip="strip"

target_cpu="x86"

target_bigendian="default"

cpu=`uname -m`

case "$cpu" in

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

    cpu="x86"

  ;;

  armv4l)

    cpu="armv4l"

  ;;

  alpha)

    cpu="alpha"

  ;;

  "Power Macintosh"|ppc|ppc64)

    cpu="powerpc"

  ;;

  mips)

    cpu="mips"

  ;;

  s390)

    cpu="s390"

  ;;

  sparc)

    cpu="sparc"

  ;;

  sparc64)

    cpu="sparc64"

  ;;

  ia64)

    cpu="ia64"

  ;;

  *)

    cpu="unknown"

  ;;

esac

gprof="no"

bigendian="no"

# OS specific

targetos=`uname -s`

case $targetos in

*) ;;

esac

# find source path

# XXX: we assume an absolute path is given when launching configure, 

# except in './configure' case.

source_path=${0%configure}

source_path=${source_path%/}

source_path_used="yes"

if test -z "$source_path" -o "$source_path" = "." ; then

    source_path=`pwd`

    source_path_used="no"

fi

for opt do

  case "$opt" in

  --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`

  ;;

  --interp-prefix=*) interp_prefix=`echo $opt | cut -d '=' -f 2`

  ;;

  --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`

  ;;

  --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`

  ;;

  --cc=*) cc=`echo $opt | cut -d '=' -f 2`

  ;;

  --make=*) make=`echo $opt | cut -d '=' -f 2`

  ;;

  --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"

  ;;

  --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"

  ;;

  --extra-libs=*) extralibs=${opt#--extra-libs=}

  ;;

  --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`

  ;;

  --target-cpu=*) target_cpu=`echo $opt | cut -d '=' -f 2`

  ;;

  --target-big-endian) target_bigendian="yes"

  ;;

  --target-little-endian) target_bigendian="no"

  ;;

  --enable-gprof) gprof="yes"

  ;;

  --static) static="yes"

  ;;

  esac

done

# Checking for CFLAGS

if test -z "$CFLAGS"; then

    CFLAGS="-O2"

fi

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

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

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

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"; then

    bigendian="yes"

fi

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

if test "$target_bigendian" = "default" ; then

    if test "$target_cpu" = "x86" ; then

         target_bigendian="no"

    elif test "$target_cpu" = "arm" ; then

         target_bigendian="no"

    else

         target_bigendian="no"

    fi

fi

if test x"$1" = x"-h" -o x"$1" = x"--help" ; 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. [$interp_prefix]"

echo "  --target_cpu=CPU         set target cpu (x86 or arm) [$target_cpu]"

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

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

echo ""

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

exit 1

fi

echo "Install prefix    $prefix"

echo "Source path       $source_path"

echo "ELF interp prefix $interp_prefix"

echo "C compiler        $cc"

echo "make              $make"

echo "host CPU          $cpu"

echo "host big endian   $bigendian"

echo "target CPU        $target_cpu"

echo "target big endian $target_bigendian"

echo "gprof enabled     $gprof"

echo "static build      $static"

echo "Creating config.mak and config.h"

echo "# Automatically generated by configure - do not modify" > config.mak

echo "/* Automatically generated by configure - do not modify */" > $TMPH

echo "prefix=$prefix" >> config.mak

echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix\"" >> $TMPH

echo "MAKE=$make" >> 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

if test "$cpu" = "x86" ; then

  echo "ARCH=i386" >> config.mak

  echo "#define HOST_I386 1" >> $TMPH

elif test "$cpu" = "armv4l" ; then

  echo "ARCH=arm" >> config.mak

  echo "#define HOST_ARM 1" >> $TMPH

elif test "$cpu" = "powerpc" ; then

  echo "ARCH=ppc" >> config.mak

  echo "#define HOST_PPC 1" >> $TMPH

elif test "$cpu" = "mips" ; then

  echo "ARCH=mips" >> config.mak

  echo "#define HOST_MIPS 1" >> $TMPH

elif test "$cpu" = "s390" ; then

  echo "ARCH=s390" >> config.mak

  echo "#define HOST_S390 1" >> $TMPH

elif test "$cpu" = "alpha" ; then

  echo "ARCH=alpha" >> config.mak

  echo "#define HOST_ALPHA 1" >> $TMPH

elif test "$cpu" = "sparc" ; then

  echo "ARCH=sparc" >> config.mak

  echo "#define HOST_SPARC 1" >> $TMPH

elif test "$cpu" = "sparc64" ; then

  echo "ARCH=sparc64" >> config.mak

  echo "#define HOST_SPARC64 1" >> $TMPH

elif test "$cpu" = "ia64" ; then

  echo "ARCH=ia64" >> config.mak

  echo "#define HOST_IA64 1" >> $TMPH

else

  echo "Unsupported CPU"

  exit 1

fi

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

  echo "WORDS_BIGENDIAN=yes" >> config.mak

  echo "#define WORDS_BIGENDIAN 1" >> $TMPH

fi

if test "$target_cpu" = "x86" ; then

  echo "TARGET_ARCH=i386" >> config.mak

  echo "#define TARGET_ARCH \"i386\"" >> $TMPH

  echo "#define TARGET_I386 1" >> $TMPH

elif test "$target_cpu" = "arm" ; then

  echo "TARGET_ARCH=arm" >> config.mak

  echo "#define TARGET_ARCH \"arm\"" >> $TMPH

  echo "#define TARGET_ARM 1" >> $TMPH

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" >> $TMPH

fi

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

  echo "TARGET_GPROF=yes" >> config.mak

  echo "#define HAVE_GPROF 1" >> $TMPH

fi

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

  echo "CONFIG_STATIC=yes" >> config.mak

fi

echo -n "VERSION=" >>config.mak

head $source_path/VERSION >>config.mak

echo "" >>config.mak

echo -n "#define QEMU_VERSION \"" >> $TMPH

head $source_path/VERSION >> $TMPH

echo "\"" >> $TMPH

# 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

    for f in $FILES ; do

        ln -sf $source_path/$f $f

    done

fi

echo "SRC_PATH=$source_path" >> config.mak

diff $TMPH config.h >/dev/null 2>&1

if test $? -ne 0 ; then

	mv -f $TMPH config.h

else

	echo "config.h is unchanged"

fi

rm -f $TMPO $TMPC $TMPE $TMPS $TMPH