haiku/build/scripts/build_cross_tools_gcc4

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# parameters <machine> <haiku sourcedir> <buildtools dir> [ <haiku output dir> ]
# get and check the parameters
if [ $# -lt 3 ]; then
echo Usage: $0 '<machine> <haiku sourcedir> <buildtools dir> [ <haiku output dir> ]' >&2
exit 1
fi
haikuMachine=$1
haikuSourceDir=$2
buildToolsDir=$3
if [ $(uname) = "FreeBSD" ]; then make="gmake"; else make="make"; fi
if [ $# -lt 4 ]; then
haikuOutputDir=$haikuSourceDir/generated
else
haikuOutputDir=$4
fi
if [ ! -d $haikuSourceDir ]; then
echo "No such directory: \"$haikuSourceDir\"" >&2
exit 1
fi
if [ ! -d $buildToolsDir ]; then
echo "No such directory: \"$buildToolsDir\"" >&2
exit 1
fi
# create the output dir
mkdir -p $haikuOutputDir || exit 1
# get absolute paths
currentDir=$(pwd)
cd $haikuSourceDir
haikuSourceDir=$(pwd)
cd $currentDir
cd $buildToolsDir
buildToolsDir=$(pwd)
cd $currentDir
cd $haikuOutputDir
haikuOutputDir=$(pwd)
binutilsSourceDir=$buildToolsDir/binutils
gccSourceDir=$buildToolsDir/gcc
# get gcc version
gccVersion=$(grep "const char version_string" $gccSourceDir/gcc/version.c \
| sed -e 's@.*"\(.*\)".*@\1@')
if [ -z "$gccVersion" ]; then
echo "Failed to find out gcc version." >&2
exit 1
fi
# create the object and installation directories for the cross compilation tools
installDir=$haikuOutputDir/cross-tools
objDir=$haikuOutputDir/cross-tools-build
binutilsObjDir=$objDir/binutils
gccObjDir=$objDir/gcc
tmpIncludeDir=$objDir/sysincludes
tmpLibDir=$objDir/syslibs
rm -rf $installDir $objDir
mkdir -p $installDir $objDir $binutilsObjDir $gccObjDir $tmpIncludeDir \
$tmpLibDir || exit 1
mkdir -p $installDir/lib/gcc/$haikuMachine/$gccVersion
# build binutils
cd $binutilsObjDir
CFLAGS="-O2" CXXFLAGS="-O2" $binutilsSourceDir/configure \
--prefix=$installDir --target=$haikuMachine --disable-nls \
--disable-shared || exit 1
$make || exit 1
$make install || exit 1
export PATH=$PATH:$installDir/bin
# build gcc
# prepare the include files
copy_headers()
{
sourceDir=$1
targetDir=$2
headers="$(find $sourceDir -name \*\.h | grep -v /.svn)"
headers="$(echo $headers | sed -e s@$sourceDir/@@g)"
for f in $headers; do
headerTargetDir=$targetDir/$(dirname $f)
mkdir -p $headerTargetDir
cp $sourceDir/$f $headerTargetDir
done
}
copy_headers $haikuSourceDir/headers/os $tmpIncludeDir/be
copy_headers $haikuSourceDir/headers/posix $tmpIncludeDir/posix
# configure gcc
cd $gccObjDir
CFLAGS="-O2" CXXFLAGS="-O2" $gccSourceDir/configure --prefix=$installDir \
--target=$haikuMachine --disable-nls --disable-shared \
--enable-languages=c,c++ --with-headers=$tmpIncludeDir \
--with-libs=$tmpLibDir || exit 1
# make gcc
$make || {
echo "ERROR: Building gcc failed." >&2
exit 1
}
# install gcc
$make install || {
echo "ERROR: Installing the cross compiler failed." >&2
exit 1
}
# cleanup
# remove the system headers from the installation dir
# Only the ones from the source tree should be used.
sysIncludeDir=$installDir/$haikuMachine/sys-include
rm -rf $sysIncludeDir/be $sysIncludeDir/posix
# remove the objects dir
rm -rf $objDir
echo "binutils and gcc for cross compilation have been built successfully!"