util/crossgcc/buildgcc - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 #!/bin/sh
 #
 # Copyright (C) 2008-2010 by coresystems GmbH
 # written by Patrick Georgi <patrick.georgi@coresystems.de> and
 #            Stefan Reinauer <stefan.reinauer@coresystems.de>
 #
 # Copyright (C) 2011 by Sage Electronic Engineering
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
 #

 CROSSGCC_DATE="December 4th, 2012"
 CROSSGCC_VERSION="1.20"

 # default settings
 TARGETDIR=`pwd`/xgcc
 TARGETARCH=i386-elf
 DESTDIR=

 # version numbers
 GMP_VERSION=5.0.5
 MPFR_VERSION=3.1.1
 MPC_VERSION=1.0.1
 LIBELF_VERSION=0.8.13
 GCC_VERSION=4.7.2
 GCC_AUTOCONF_VERSION=2.64
 BINUTILS_VERSION=2.23
 GDB_VERSION=7.5
 IASL_VERSION=20121114
 PYTHON_VERSION=2.7.3
 EXPAT_VERSION=2.1.0

 # archive locations
 GMP_ARCHIVE="http://ftpmirror.gnu.org/gmp/gmp-${GMP_VERSION}.tar.bz2"
 MPFR_ARCHIVE="http://ftpmirror.gnu.org/mpfr/mpfr-${MPFR_VERSION}.tar.bz2"
 MPC_ARCHIVE="http://ftpmirror.gnu.org/mpc/mpc-${MPC_VERSION}.tar.gz"
 LIBELF_ARCHIVE="http://www.mr511.de/software/libelf-${LIBELF_VERSION}.tar.gz"
 GCC_ARCHIVE="http://ftpmirror.gnu.org/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.bz2"
 BINUTILS_ARCHIVE="http://ftpmirror.gnu.org/binutils/binutils-${BINUTILS_VERSION}.tar.gz"
 GDB_ARCHIVE="http://ftpmirror.gnu.org/gdb/gdb-${GDB_VERSION}.tar.bz2"
 IASL_ARCHIVE="http://www.acpica.org/download/acpica-unix-${IASL_VERSION}.tar.gz"
 PYTHON_ARCHIVE="http://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tar.bz2"
 EXPAT_ARCHIVE="http://downloads.sourceforge.net/sourceforge/expat/expat-${EXPAT_VERSION}.tar.gz"

 GMP_DIR="gmp-${GMP_VERSION}"
 MPFR_DIR="mpfr-${MPFR_VERSION}"
 MPC_DIR="mpc-${MPC_VERSION}"
 LIBELF_DIR="libelf-${LIBELF_VERSION}"
 GCC_DIR="gcc-${GCC_VERSION}"
 BINUTILS_DIR="binutils-${BINUTILS_VERSION}"
 GDB_DIR="gdb-${GDB_VERSION}"
 IASL_DIR="acpica-unix-${IASL_VERSION}"
 PYTHON_DIR="Python-${PYTHON_VERSION}"
 EXPAT_DIR="expat-${EXPAT_VERSION}"

 SAVETEMPS=0
 SKIPGDB=1
 SKIPPYTHON=1

 red='\033[0;31m'
 RED='\033[1;31m'
 green='\033[0;32m'
 GREEN='\033[1;32m'
 blue='\033[0;34m'
 BLUE='\033[1;34m'
 cyan='\033[0;36m'
 CYAN='\033[1;36m'
 NC='\033[0m' # No Color

 normalize_dirs()
 {
 	mkdir -p $DESTDIR$TARGETDIR/lib
 	test -d $DESTDIR$TARGETDIR/lib32 && mv $DESTDIR$TARGETDIR/lib32/* $DESTDIR$TARGETDIR/lib
 	test -d $DESTDIR$TARGETDIR/lib64 && mv $DESTDIR$TARGETDIR/lib64/* $DESTDIR$TARGETDIR/lib
 	rmdir -p $DESTDIR$TARGETDIR/lib32 $DESTDIR$TARGETDIR/lib64

 	perl -pi -e "s,/lib32,/lib," $DESTDIR$TARGETDIR/lib/*.la
 	perl -pi -e "s,/lib64,/lib," $DESTDIR$TARGETDIR/lib/*.la
 }

 searchgnu()
 {
 	# $1 short name
 	# result: GNU version of that tool on stdout
 	#         or no output if no GNU version was found
 	for i in "$1" "g$1" "gnu$1"; do
 		if test -x "`which $i 2>/dev/null`"; then
 			if test `$i --version 2>/dev/null |grep -c GNU` \
 			    -gt 0; then
 				echo $i
 				return
 			fi
 		fi
 	done
 	# A workaround for XxxBSD, whose nongnu patch and tar also work.
 	if [ `uname` = "FreeBSD" -o `uname` = "NetBSD" ]; then
 		if [ $1 != "make" ]; then
 			if test -x "`which $1 2>/dev/null`"; then
 				echo $1
 				return
 			fi
 		fi
 	fi
 	printf "${RED}ERROR:${red} Missing toolchain: $1${NC}\n" >&2
 	exit 1
 }

 TAR=`searchgnu tar` || exit $?
 PATCH=`searchgnu patch` || exit $?
 MAKE=`searchgnu make` || exit $?

 searchgnu m4 > /dev/null
 searchgnu bison > /dev/null

 if ! flex --version > /dev/null 2> /dev/null; then
 	printf "${RED}ERROR:${red} Missing toolchain: flex${NC}\n" >&2
 	exit 1
 fi

 cleanup()
 {
 	printf "Cleaning up temporary files... "
 	rm -rf build-* combined gcc-* gmp-* mpfr-* mpc-* libelf-* binutils-*
 	rm -rf gdb-* acpica-* python-* expat-*
 	printf "${green}ok${NC}\n"
 }

 myhelp()
 {
 	printf "Usage: $0 [-V] [-c] [-p <platform>] [-d <target directory>] [-D <dest dir>] [-G] [-S]\n"
 	printf "       $0 [-V|--version]\n"
 	printf "       $0 [-h|--help]\n\n"

 	printf "Options:\n"
 	printf "    [-V|--version]                print version number and exit\n"
 	printf "    [-h|--help]                   print this help and exit\n"
 	printf "    [-c|--clean]                  remove temporary files before build\n"
 	printf "    [-t|--savetemps]              don't remove temporary files after build\n"
 	printf "    [-y|--ccache]                 Use ccache when building cross compiler\n"
 	printf "    [-j|--jobs <num>]             run <num> jobs in parallel in make\n"
 	printf "    [-p|--platform <platform>]    target platform to build cross compiler for\n"
 	printf "                                  (defaults to $TARGETARCH)\n"
 	printf "    [-d|--directory <target dir>] target directory to install cross compiler to\n"
 	printf "                                  (defaults to $TARGETDIR)\n\n"
 	printf "    [-D|--destdir <dest dir>]     destination directory to install cross compiler to\n"
 	printf "                                  (for RPM builds, default unset)\n"
 	printf "    [-G|--gdb]                    build GNU debugger\n"
 	printf "    [-S|--scripting]              build scripting support for GDB\n\n"
 }

 myversion()
 {
 	# version tag is always printed, so just print the license here

 	cat << EOF
 Copyright (C) 2008-2010 by coresystems GmbH
 Copyright (C) 2011 by Sage Electronic Engineering

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; version 2 of the License.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 EOF
 }

 printf "${blue}Welcome to the ${red}coreboot${blue} cross toolchain builder v$CROSSGCC_VERSION ($CROSSGCC_DATE)${NC}\n\n"

 # Look if we have getopt. If not, build it.
 export PATH=$PATH:.
 getopt - > /dev/null 2>/dev/null || gcc -o getopt getopt.c

 # parse parameters.. try to find out whether we're running GNU getopt
 getoptbrand="`getopt -V | sed -e '1!d' -e 's,^\(......\).*,\1,'`"
 if [ "${getoptbrand}" = "getopt" ]; then
 	# Detected GNU getopt that supports long options.
 	args=`getopt -l version,help,clean,directory:,platform:,jobs:,destdir:,savetemps,skip-gdb,ccache Vhcd:p:j:D:tGy -- "$@"`
 	eval set "$args"
 else
 	# Detected non-GNU getopt
 	args=`getopt Vhcd:p:j:D:tGy $*`
 	set -- $args
 fi

 if [ $? != 0 ]; then
 	myhelp
 	exit 1
 fi

 while true ; do
         case "$1" in
 		-V|--version)	shift; myversion; exit 0;;
 		-h|--help)	shift; myhelp; exit 0;;
 		-c|--clean)	shift; cleanup;;
 		-t|--savetemps)	shift; SAVETEMPS=1;;
 		-d|--directory)	shift; TARGETDIR="$1"; shift;;
 		-p|--platform)	shift; TARGETARCH="$1"; shift;;
 		-D|--destdir)	shift; DESTDIR="$1"; shift;;
 		-j|--jobs)	shift; JOBS="-j $1"; shift;;
 		-G|--gdb)	shift; SKIPGDB=0;;
 		-S|--scripting) shift; SKIPPYTHON=0;;
 		-y|--ccache)	shift; USECCACHE=1;;
 		--)		shift; break;;
 		-*)		printf "Invalid option\n\n"; myhelp; exit 1;;
 		*)		break;;
 	esac
 done

 GDB_PACKAGE="GDB"
 PYTHON_PACKAGE="PYTHON"
 EXPAT_PACKAGE="EXPAT"
 if [ $SKIPGDB -eq 1 ]; then
 	printf "Will skip GDB ... ${green}ok${NC}\n"
 	GDB_ARCHIVE=""
 	GDB_PACKAGE=""
 	if [ $SKIPPYTHON -eq 0 ]; then
 		printf "Python scripting needs GDB ... disabling ... ${green}ok${NC}\n"
 		SKIPPYTHON=1
 	fi
 fi
 if [ $SKIPPYTHON -eq 1 ]; then
 	PYTHON_ARCHIVE=""
 	PYTHON_PACKAGE=""
 	EXPAT_ARCHIVE=""
 	EXPAT_PACKAGE=""
 fi

 # coreboot does not like the GOLD linker
 # USE_GOLD="--enable-gold"
 USE_GOLD=""
 GCC_OPTIONS="--enable-lto"

 printf "Downloading tar balls ... \n"
 mkdir -p tarballs
 for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE $LIBELF_ARCHIVE  \
 	    $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE \
 	    $IASL_ARCHIVE $PYTHON_ARCHIVE $EXPAT_ARCHIVE; do
 	FILE=`basename $ARCHIVE`
 	printf " * $FILE "
 	test -f tarballs/$FILE && printf "(cached)" || (
 		printf "(downloading)"
 		cd tarballs
 		wget --no-check-certificate -q $ARCHIVE
 	)
 	test -f tarballs/$FILE || \
 		printf "\n${RED}Failed to download $FILE.${NC}\n"
 	test -f tarballs/$FILE || exit 1
 	printf "\n"
 done
 printf "Downloaded tar balls ... "
 printf "${green}ok${NC}\n"

 printf "Unpacking and patching ... \n"
 for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS $PYTHON_PACKAGE \
 	    $EXPAT_PACKAGE $GDB_PACKAGE IASL; do
 	archive=$PACKAGE"_ARCHIVE"
 	archive="`eval echo '$'$archive`"
 	dir=$PACKAGE"_DIR"
 	dir="`eval echo '$'${dir}`"
 	test -d ${dir} || (
 		printf " * `basename $archive`\n"
 		FLAGS=zxf
 		suffix=`echo $archive | sed 's,.*\.,,'`
 		test "$suffix" = "gz" && FLAGS=zxf
 		test "$suffix" = "bz2" && FLAGS=jxf
 		test "$suffix" = "lzma" && FLAGS="--lzma -xf"
 		$TAR $FLAGS tarballs/`basename $archive`
 		for patch in patches/${dir}_*.patch; do
 			test -r $patch || continue
 			printf "   o `basename $patch`\n"
 			$PATCH -s -N -p0 < `echo $patch` || \
 				printf "\n${RED}Failed $patch.${NC}\n"
 		done
 	)
 done
 printf "Unpacked and patched ... "
 printf "${green}ok${NC}\n"

 CC=cc
 if [ `uname` = "Darwin" ]; then
 	#GCC_OPTIONS="$GCC_OPTIONS --enable-threads=posix"

 	# generally the OS X compiler can create x64 binaries.
 	# Per default it generated i386 binaries in 10.5 and x64
 	# binaries in 10.6 (even if the kernel is 32bit)
 	# For some weird reason, 10.5 autodetects an ABI=64 though
 	# so we're setting the ABI explicitly here.
 	if [ `sysctl -n hw.optional.x86_64 2>/dev/null` -eq 1 ] 2>/dev/null; then
 		OPTIONS="ABI=64"
 	else
 		OPTIONS="ABI=32"
 	fi

 	# In Xcode 4.5.2 the default compiler is clang.
 	# However, this compiler fails to compile gcc 4.7.x. As a
 	# workaround it's possible to compile gcc with llvm-gcc.
 	if $CC -v 2>&1 | grep -q LLVM; then
 		CC=llvm-gcc
 	fi
 fi

 if [ "$USECCACHE" = 1 ]; then
 	CC="ccache $CC"
 fi

 mkdir -p build-gmp build-mpfr build-mpc build-libelf build-binutils \
 		build-gcc build-python build-expat

 mkdir -p $DESTDIR$TARGETDIR/bin
 export PATH=$DESTDIR$TARGETDIR/bin:$PATH

 if [ $SKIPGDB -eq 0 ]; then
 	mkdir -p build-gdb
 fi
 if [ -f build-gmp/.success ]; then
 	printf "Skipping GMP as it is already built\n"
 else
 printf "Building GMP ${GMP_VERSION} ... "
 (
 	cd build-gmp
 	rm -f .failed
 	CC="$CC" ../${GMP_DIR}/configure --disable-shared --prefix=$TARGETDIR $OPTIONS \
 		|| touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-gmp/crossgcc-build.log 2>&1
 test -r build-gmp/.failed && printf "${RED}failed${NC}\n" || \
 	printf "${green}ok${NC}\n"
 test -r build-gmp/.failed && exit 1
 fi

 # Now set CFLAGS to match GMP CFLAGS but strip out -pedantic
 # as GCC 4.6.x fails if it's there.
 HOSTCFLAGS=`grep __GMP_CFLAGS $DESTDIR$TARGETDIR/include/gmp.h |cut -d\" -f2 |\
 	    sed s,-pedantic,,`

 if [ -f build-mpfr/.success ]; then
 	printf "Skipping MPFR as it is already built\n"
 else
 printf "Building MPFR ${MPFR_VERSION} ... "
 (
 	test `uname` = "Darwin" && CFLAGS="$CFLAGS -force_cpusubtype_ALL"
 	cd build-mpfr
 	rm -f .failed
 	CC="$CC" ../${MPFR_DIR}/configure --disable-shared --prefix=$TARGETDIR \
 		--infodir=$TARGETDIR/info \
 		--with-gmp=$DESTDIR$TARGETDIR CFLAGS="$HOSTCFLAGS" || \
 		touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	# work around build problem of libgmp.la
 	if [ "$DESTDIR" != "" ]; then
 	    perl -pi -e "s,$DESTDIR,," $DESTDIR$TARGETDIR/libgmp.la
 	fi

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-mpfr/crossgcc-build.log 2>&1
 test -r build-mpfr/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-mpfr/.failed && exit 1
 fi

 if [ -f build-mpc/.success ]; then
 	printf "Skipping MPC as it is already built\n"
 else
 printf "Building MPC ${MPC_VERSION} ... "
 (
 	cd build-mpc
 	rm -f .failed
 	CC="$CC" ../${MPC_DIR}/configure --disable-shared --prefix=$TARGETDIR \
 		--infodir=$TARGETDIR/info --with-mpfr=$DESTDIR$TARGETDIR \
 		--with-gmp=$DESTDIR$TARGETDIR CFLAGS="$HOSTCFLAGS" || \
 		touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-mpc/crossgcc-build.log 2>&1
 test -r build-mpc/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-mpc/.failed && exit 1
 fi

 if [ -f build-libelf/.success ]; then
 	printf "Skipping libelf as it is already built\n"
 else
 printf "Building libelf ${LIBELF_VERSION} ... "
 (
 	cd build-libelf
 	rm -f .failed
 	echo "$HOSTCFLAGS"
 	CC="$CC" CFLAGS="$HOSTCFLAGS" libelf_cv_elf_h_works=no \
 	../${LIBELF_DIR}/configure --disable-shared --prefix=$TARGETDIR \
 		--infodir=$TARGETDIR/info CFLAGS="$HOSTCFLAGS" || touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-libelf/crossgcc-build.log 2>&1
 test -r build-libelf/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-libelf/.failed && exit 1
 fi

 if [ -f build-binutils/.success ]; then
 	printf "Skipping binutils as it is already built\n"
 else
 printf "Building binutils ${BINUTILS_VERSION} ... "
 (
 	# What a pain: binutils don't come with configure
 	# script anymore. Create it:
 	cd binutils-${BINUTILS_VERSION}/
 	autoconf
 	cd ..
 	# Now build binutils
 	cd build-binutils
 	rm -f .failed
 	CC="$CC" ../binutils-${BINUTILS_VERSION}/configure --prefix=$TARGETDIR \
 		--target=${TARGETARCH} --disable-werror --disable-nls \
 		$USE_GOLD CFLAGS="$HOSTCFLAGS" || touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed
 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-binutils/crossgcc-build.log 2>&1
 test -r build-binutils/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-binutils/.failed && exit 1
 fi

 if [ -f build-gcc/.success ]; then
 	printf "Skipping GCC as it is already built\n"
 else
 printf "Building GCC ${GCC_VERSION} ... "
 (
 	# Even worse than binutils: GCC does not come with configure
 	# script anymore, but also enforces an obsolete autoconf version
 	# to create it. This is a poster child of how autotools help make
 	# software portable.
 	cd gcc-${GCC_VERSION}
 	sed '/dnl Ensure exactly this Autoconf version is used/d' \
 		config/override.m4 > config/override.m4.new
 	autoconf_version=`autoconf -V | grep "autoconf" | tr ' ' '\n' | tail -1`
 	sed "s/${GCC_AUTOCONF_VERSION}/${autoconf_version}/g" \
 		config/override.m4.new > config/override.m4
 	autoconf
 	cd ..
 	# Now, finally, we can build gcc:
 	cd build-gcc
 	rm -f .failed
 	# GCC does not honour HOSTCFLAGS at all. CFLAGS are used for
 	# both target and host object files. This is pretty misdesigned.
 	# There's a work-around called CFLAGS_FOR_BUILD and CFLAGS_FOR_TARGET
 	# but it does not seem to work properly. At least the host library
 	# libiberty is not compiled with CFLAGS_FOR_BUILD.
 	CC="$CC" CFLAGS_FOR_TARGET="-O2" CFLAGS="$HOSTCFLAGS" \
 		CFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
 		--prefix=$TARGETDIR --libexecdir=$TARGETDIR/lib \
 		--target=${TARGETARCH} --disable-werror --disable-shared \
 		--disable-libssp --disable-bootstrap --disable-nls \
 		--disable-libquadmath --without-headers \
 		$GCC_OPTIONS --enable-languages="c" $USE_GOLD \
 		--with-gmp=$DESTDIR$TARGETDIR --with-mpfr=$DESTDIR$TARGETDIR \
 		--with-mpc=$DESTDIR$TARGETDIR --with-libelf=$DESTDIR$TARGETDIR \
 		--with-pkgversion="coreboot toolchain v$CROSSGCC_VERSION $CROSSGCC_DATE" \
 		|| touch .failed
 	$MAKE $JOBS CFLAGS_FOR_BUILD="$HOSTCFLAGS" all-gcc || touch .failed
 	$MAKE install-gcc DESTDIR=$DESTDIR || touch .failed

 	if [ "`echo $TARGETARCH | grep -c -- -mingw32`" -eq 0 ]; then
 		$MAKE $JOBS CFLAGS_FOR_BUILD="$HOSTCFLAGS" all-target-libgcc || touch .failed
 		$MAKE install-target-libgcc DESTDIR=$DESTDIR || touch .failed
 	fi

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-gcc/crossgcc-build.log 2>&1
 test -r build-gcc/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-gcc/.failed && exit 1
 fi

 if [ -f build-expat/.success ]; then
 	printf "Skipping Expat as it is already built\n"
 elif [ $SKIPPYTHON -eq 1 ]; then
 	printf "Skipping Expat (Python scripting not enabled)\n"
 else
 printf "Building Expat ${EXPAT_VERSION} ... "
 (
 	cd build-expat
 	rm -f .failed
 	CC="$CC" CFLAGS="$HOSTCFLAGS" ../${EXPAT_DIR}/configure --disable-shared \
 		--prefix=$TARGETDIR --target=${TARGETARCH} || touch .failed
 	$MAKE || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-expat/crossgcc-build.log 2>&1
 test -r build-expat/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-expat/.failed && exit 1
 fi


 if [ -f build-python/.success ]; then
 	printf "Skipping Python as it is already built\n"
 elif [ $SKIPPYTHON -eq 1 ]; then
 	printf "Skipping Python (Python scripting not enabled)\n"
 else
 printf "Building Python ${PYTHON_VERSION} ... "
 (
 	cd build-python
 	rm -f .failed
 	CC="$CC" CFLAGS="$HOSTCFLAGS" ../${PYTHON_DIR}/configure --prefix=$TARGETDIR \
 		--target=${TARGETARCH} || touch .failed
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed

 	normalize_dirs

 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-python/crossgcc-build.log 2>&1
 test -r build-python/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-python/.failed && exit 1
 fi


 if [ -f build-gdb/.success ]; then
 	printf "Skipping GDB as it is already built\n"
 elif [ $SKIPGDB -eq 1 ]; then
 	printf "Skipping GDB (GDB support not enabled)\n"
 else
 printf "Building GDB ${GDB_VERSION} ... "
 (
 	cd build-gdb
 	export PYTHONHOME=$DESTDIR$TARGETDIR
 	rm -f .failed
 	LDFLAGS="-Wl,-rpath,\$\$ORIGIN/../lib/ -L$DESTDIR$TARGETDIR/lib \
 		 -lpthread -ldl -lutil" \
 	CC="$CC" CFLAGS="$HOSTCFLAGS -I$DESTDIR$TARGETDIR/include" \
 	../gdb-${GDB_VERSION}/configure --prefix=$TARGETDIR \
 		--target=${TARGETARCH} --disable-werror --disable-nls
 	$MAKE $JOBS || touch .failed
 	$MAKE install DESTDIR=$DESTDIR || touch .failed
 	if [ ! -f .failed ]; then touch .success; fi
 ) > build-gdb/crossgcc-build.log 2>&1
 test -r build-gdb/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r build-gdb/.failed && exit 1
 fi

 if [ -f $IASL_DIR/source/compiler/.success ]; then
 	printf "Skipping IASL as it is already built\n"
 else
 printf "Building IASL ${IASL_VERSION} ... "
 (
 	cd $IASL_DIR/generate/unix
 	rm -f .failed
 	CFLAGS="$HOSTCFLAGS"
 	$MAKE CC="$CC" iasl || touch .failed
 	rm -f $DESTDIR$TARGETDIR/bin/iasl || touch .failed
 	if [ -d bin32 ]; then cp bin32/iasl $DESTDIR$TARGETDIR/bin || touch .failed ; fi
 	if [ -d bin64 ]; then cp bin64/iasl $DESTDIR$TARGETDIR/bin || touch .failed ; fi
 	if [ ! -f .failed ]; then touch .success; fi
 ) > $IASL_DIR/source/compiler/crossgcc-build.log 2>&1
 test -r $IASL_DIR/generate/unix/.failed && printf "${RED}failed${NC}\n" || \
 	     printf "${green}ok${NC}\n"
 test -r $IASL_DIR/generate/unix/.failed && exit 1
 fi

 rm -f $DESTDIR$TARGETDIR/$0.commit.*
 cp $0 $DESTDIR$TARGETDIR/"$0.commit.`git describe`"

 if [ $SAVETEMPS -eq 0 ]; then
 	printf "Cleaning up... "
 	rm -rf ${GMP_DIR} build-gmp
 	rm -rf ${MPFR_DIR} build-mpfr
 	rm -rf ${MPC_DIR} build-mpc
 	rm -rf ${LIBELF_DIR} build-libelf
 	rm -rf ${BINUTILS_DIR} build-binutils
 	rm -rf ${GCC_DIR} build-gcc
 	rm -rf ${GDB_DIR} build-gdb
 	rm -rf ${EXPAT_DIR} build-expat
 	rm -rf ${PYTHON_DIR} build-python
 	rm -rf ${IASL_DIR}
 	printf "${green}ok${NC}\n"
 else
 	printf "Leaving temporary files around... ${green}ok${NC}\n"
 fi

 printf "\n${green}You can now run your $TARGETARCH cross toolchain from $TARGETDIR.${NC}\n"
	#!/bin/sh
	#
	# Copyright (C) 2008-2010 by coresystems GmbH
	# written by Patrick Georgi <patrick.georgi@coresystems.de> and
	# Stefan Reinauer <stefan.reinauer@coresystems.de>
	#
	# Copyright (C) 2011 by Sage Electronic Engineering
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; version 2 of the License.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
	#

	CROSSGCC_DATE="December 4th, 2012"
	CROSSGCC_VERSION="1.20"

	# default settings
	TARGETDIR=`pwd`/xgcc
	TARGETARCH=i386-elf
	DESTDIR=

	# version numbers
	GMP_VERSION=5.0.5
	MPFR_VERSION=3.1.1
	MPC_VERSION=1.0.1
	LIBELF_VERSION=0.8.13
	GCC_VERSION=4.7.2
	GCC_AUTOCONF_VERSION=2.64
	BINUTILS_VERSION=2.23
	GDB_VERSION=7.5
	IASL_VERSION=20121114
	PYTHON_VERSION=2.7.3
	EXPAT_VERSION=2.1.0

	# archive locations
	GMP_ARCHIVE="http://ftpmirror.gnu.org/gmp/gmp-${GMP_VERSION}.tar.bz2"
	MPFR_ARCHIVE="http://ftpmirror.gnu.org/mpfr/mpfr-${MPFR_VERSION}.tar.bz2"
	MPC_ARCHIVE="http://ftpmirror.gnu.org/mpc/mpc-${MPC_VERSION}.tar.gz"
	LIBELF_ARCHIVE="http://www.mr511.de/software/libelf-${LIBELF_VERSION}.tar.gz"
	GCC_ARCHIVE="http://ftpmirror.gnu.org/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.bz2"
	BINUTILS_ARCHIVE="http://ftpmirror.gnu.org/binutils/binutils-${BINUTILS_VERSION}.tar.gz"
	GDB_ARCHIVE="http://ftpmirror.gnu.org/gdb/gdb-${GDB_VERSION}.tar.bz2"
	IASL_ARCHIVE="http://www.acpica.org/download/acpica-unix-${IASL_VERSION}.tar.gz"
	PYTHON_ARCHIVE="http://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tar.bz2"
	EXPAT_ARCHIVE="http://downloads.sourceforge.net/sourceforge/expat/expat-${EXPAT_VERSION}.tar.gz"

	GMP_DIR="gmp-${GMP_VERSION}"
	MPFR_DIR="mpfr-${MPFR_VERSION}"
	MPC_DIR="mpc-${MPC_VERSION}"
	LIBELF_DIR="libelf-${LIBELF_VERSION}"
	GCC_DIR="gcc-${GCC_VERSION}"
	BINUTILS_DIR="binutils-${BINUTILS_VERSION}"
	GDB_DIR="gdb-${GDB_VERSION}"
	IASL_DIR="acpica-unix-${IASL_VERSION}"
	PYTHON_DIR="Python-${PYTHON_VERSION}"
	EXPAT_DIR="expat-${EXPAT_VERSION}"

	SAVETEMPS=0
	SKIPGDB=1
	SKIPPYTHON=1

	red='\033[0;31m'
	RED='\033[1;31m'
	green='\033[0;32m'
	GREEN='\033[1;32m'
	blue='\033[0;34m'
	BLUE='\033[1;34m'
	cyan='\033[0;36m'
	CYAN='\033[1;36m'
	NC='\033[0m' # No Color

	normalize_dirs()
	{
	mkdir -p $DESTDIR$TARGETDIR/lib
	test -d $DESTDIR$TARGETDIR/lib32 && mv $DESTDIR$TARGETDIR/lib32/* $DESTDIR$TARGETDIR/lib
	test -d $DESTDIR$TARGETDIR/lib64 && mv $DESTDIR$TARGETDIR/lib64/* $DESTDIR$TARGETDIR/lib
	rmdir -p $DESTDIR$TARGETDIR/lib32 $DESTDIR$TARGETDIR/lib64

	perl -pi -e "s,/lib32,/lib," $DESTDIR$TARGETDIR/lib/*.la
	perl -pi -e "s,/lib64,/lib," $DESTDIR$TARGETDIR/lib/*.la
	}

	searchgnu()
	{
	# $1 short name
	# result: GNU version of that tool on stdout
	# or no output if no GNU version was found
	for i in "$1" "g$1" "gnu$1"; do
	if test -x "`which $i 2>/dev/null`"; then
	if test `$i --version 2>/dev/null \|grep -c GNU` \
	-gt 0; then
	echo $i
	return
	fi
	fi
	done
	# A workaround for XxxBSD, whose nongnu patch and tar also work.
	if [ `uname` = "FreeBSD" -o `uname` = "NetBSD" ]; then
	if [ $1 != "make" ]; then
	if test -x "`which $1 2>/dev/null`"; then
	echo $1
	return
	fi
	fi
	fi
	printf "${RED}ERROR:${red} Missing toolchain: $1${NC}\n" >&2
	exit 1
	}

	TAR=`searchgnu tar` \|\| exit $?
	PATCH=`searchgnu patch` \|\| exit $?
	MAKE=`searchgnu make` \|\| exit $?

	searchgnu m4 > /dev/null
	searchgnu bison > /dev/null

	if ! flex --version > /dev/null 2> /dev/null; then
	printf "${RED}ERROR:${red} Missing toolchain: flex${NC}\n" >&2
	exit 1
	fi

	cleanup()
	{
	printf "Cleaning up temporary files... "
	rm -rf build-* combined gcc-* gmp-* mpfr-* mpc-* libelf-* binutils-*
	rm -rf gdb-* acpica-* python-* expat-*
	printf "${green}ok${NC}\n"
	}

	myhelp()
	{
	printf "Usage: $0 [-V] [-c] [-p <platform>] [-d <target directory>] [-D <dest dir>] [-G] [-S]\n"
	printf " $0 [-V\|--version]\n"
	printf " $0 [-h\|--help]\n\n"

	printf "Options:\n"
	printf " [-V\|--version] print version number and exit\n"
	printf " [-h\|--help] print this help and exit\n"
	printf " [-c\|--clean] remove temporary files before build\n"
	printf " [-t\|--savetemps] don't remove temporary files after build\n"
	printf " [-y\|--ccache] Use ccache when building cross compiler\n"
	printf " [-j\|--jobs <num>] run <num> jobs in parallel in make\n"
	printf " [-p\|--platform <platform>] target platform to build cross compiler for\n"
	printf " (defaults to $TARGETARCH)\n"
	printf " [-d\|--directory <target dir>] target directory to install cross compiler to\n"
	printf " (defaults to $TARGETDIR)\n\n"
	printf " [-D\|--destdir <dest dir>] destination directory to install cross compiler to\n"
	printf " (for RPM builds, default unset)\n"
	printf " [-G\|--gdb] build GNU debugger\n"
	printf " [-S\|--scripting] build scripting support for GDB\n\n"
	}

	myversion()
	{
	# version tag is always printed, so just print the license here

	cat << EOF
	Copyright (C) 2008-2010 by coresystems GmbH
	Copyright (C) 2011 by Sage Electronic Engineering

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; version 2 of the License.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	EOF
	}

	printf "${blue}Welcome to the ${red}coreboot${blue} cross toolchain builder v$CROSSGCC_VERSION ($CROSSGCC_DATE)${NC}\n\n"

	# Look if we have getopt. If not, build it.
	export PATH=$PATH:.
	getopt - > /dev/null 2>/dev/null \|\| gcc -o getopt getopt.c

	# parse parameters.. try to find out whether we're running GNU getopt
	getoptbrand="`getopt -V \| sed -e '1!d' -e 's,^\(......\).*,\1,'`"
	if [ "${getoptbrand}" = "getopt" ]; then
	# Detected GNU getopt that supports long options.
	args=`getopt -l version,help,clean,directory:,platform:,jobs:,destdir:,savetemps,skip-gdb,ccache Vhcd:p:j:D:tGy -- "$@"`
	eval set "$args"
	else
	# Detected non-GNU getopt
	args=`getopt Vhcd:p:j:D:tGy $*`
	set -- $args
	fi

	if [ $? != 0 ]; then
	myhelp
	exit 1
	fi

	while true ; do
	case "$1" in
	-V\|--version) shift; myversion; exit 0;;
	-h\|--help) shift; myhelp; exit 0;;
	-c\|--clean) shift; cleanup;;
	-t\|--savetemps) shift; SAVETEMPS=1;;
	-d\|--directory) shift; TARGETDIR="$1"; shift;;
	-p\|--platform) shift; TARGETARCH="$1"; shift;;
	-D\|--destdir) shift; DESTDIR="$1"; shift;;
	-j\|--jobs) shift; JOBS="-j $1"; shift;;
	-G\|--gdb) shift; SKIPGDB=0;;
	-S\|--scripting) shift; SKIPPYTHON=0;;
	-y\|--ccache) shift; USECCACHE=1;;
	--) shift; break;;
	-*) printf "Invalid option\n\n"; myhelp; exit 1;;
	*) break;;
	esac
	done

	GDB_PACKAGE="GDB"
	PYTHON_PACKAGE="PYTHON"
	EXPAT_PACKAGE="EXPAT"
	if [ $SKIPGDB -eq 1 ]; then
	printf "Will skip GDB ... ${green}ok${NC}\n"
	GDB_ARCHIVE=""
	GDB_PACKAGE=""
	if [ $SKIPPYTHON -eq 0 ]; then
	printf "Python scripting needs GDB ... disabling ... ${green}ok${NC}\n"
	SKIPPYTHON=1
	fi
	fi
	if [ $SKIPPYTHON -eq 1 ]; then
	PYTHON_ARCHIVE=""
	PYTHON_PACKAGE=""
	EXPAT_ARCHIVE=""
	EXPAT_PACKAGE=""
	fi

	# coreboot does not like the GOLD linker
	# USE_GOLD="--enable-gold"
	USE_GOLD=""
	GCC_OPTIONS="--enable-lto"

	printf "Downloading tar balls ... \n"
	mkdir -p tarballs
	for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE $LIBELF_ARCHIVE \
	$GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE \
	$IASL_ARCHIVE $PYTHON_ARCHIVE $EXPAT_ARCHIVE; do
	FILE=`basename $ARCHIVE`
	printf " * $FILE "
	test -f tarballs/$FILE && printf "(cached)" \|\| (
	printf "(downloading)"
	cd tarballs
	wget --no-check-certificate -q $ARCHIVE
	)
	test -f tarballs/$FILE \|\| \
	printf "\n${RED}Failed to download $FILE.${NC}\n"
	test -f tarballs/$FILE \|\| exit 1
	printf "\n"
	done
	printf "Downloaded tar balls ... "
	printf "${green}ok${NC}\n"

	printf "Unpacking and patching ... \n"
	for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS $PYTHON_PACKAGE \
	$EXPAT_PACKAGE $GDB_PACKAGE IASL; do
	archive=$PACKAGE"_ARCHIVE"
	archive="`eval echo '$'$archive`"
	dir=$PACKAGE"_DIR"
	dir="`eval echo '$'${dir}`"
	test -d ${dir} \|\| (
	printf " * `basename $archive`\n"
	FLAGS=zxf
	suffix=`echo $archive \| sed 's,.*\.,,'`
	test "$suffix" = "gz" && FLAGS=zxf
	test "$suffix" = "bz2" && FLAGS=jxf
	test "$suffix" = "lzma" && FLAGS="--lzma -xf"
	$TAR $FLAGS tarballs/`basename $archive`
	for patch in patches/${dir}_*.patch; do
	test -r $patch \|\| continue
	printf " o `basename $patch`\n"
	$PATCH -s -N -p0 < `echo $patch` \|\| \
	printf "\n${RED}Failed $patch.${NC}\n"
	done
	)
	done
	printf "Unpacked and patched ... "
	printf "${green}ok${NC}\n"

	CC=cc
	if [ `uname` = "Darwin" ]; then
	#GCC_OPTIONS="$GCC_OPTIONS --enable-threads=posix"

	# generally the OS X compiler can create x64 binaries.
	# Per default it generated i386 binaries in 10.5 and x64
	# binaries in 10.6 (even if the kernel is 32bit)
	# For some weird reason, 10.5 autodetects an ABI=64 though
	# so we're setting the ABI explicitly here.
	if [ `sysctl -n hw.optional.x86_64 2>/dev/null` -eq 1 ] 2>/dev/null; then
	OPTIONS="ABI=64"
	else
	OPTIONS="ABI=32"
	fi

	# In Xcode 4.5.2 the default compiler is clang.
	# However, this compiler fails to compile gcc 4.7.x. As a
	# workaround it's possible to compile gcc with llvm-gcc.
	if $CC -v 2>&1 \| grep -q LLVM; then
	CC=llvm-gcc
	fi
	fi

	if [ "$USECCACHE" = 1 ]; then
	CC="ccache $CC"
	fi

	mkdir -p build-gmp build-mpfr build-mpc build-libelf build-binutils \
	build-gcc build-python build-expat

	mkdir -p $DESTDIR$TARGETDIR/bin
	export PATH=$DESTDIR$TARGETDIR/bin:$PATH

	if [ $SKIPGDB -eq 0 ]; then
	mkdir -p build-gdb
	fi
	if [ -f build-gmp/.success ]; then
	printf "Skipping GMP as it is already built\n"
	else
	printf "Building GMP ${GMP_VERSION} ... "
	(
	cd build-gmp
	rm -f .failed
	CC="$CC" ../${GMP_DIR}/configure --disable-shared --prefix=$TARGETDIR $OPTIONS \
	\|\| touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	if [ ! -f .failed ]; then touch .success; fi
	) > build-gmp/crossgcc-build.log 2>&1
	test -r build-gmp/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-gmp/.failed && exit 1
	fi

	# Now set CFLAGS to match GMP CFLAGS but strip out -pedantic
	# as GCC 4.6.x fails if it's there.
	HOSTCFLAGS=`grep __GMP_CFLAGS $DESTDIR$TARGETDIR/include/gmp.h \|cut -d\" -f2 \|\
	sed s,-pedantic,,`

	if [ -f build-mpfr/.success ]; then
	printf "Skipping MPFR as it is already built\n"
	else
	printf "Building MPFR ${MPFR_VERSION} ... "
	(
	test `uname` = "Darwin" && CFLAGS="$CFLAGS -force_cpusubtype_ALL"
	cd build-mpfr
	rm -f .failed
	CC="$CC" ../${MPFR_DIR}/configure --disable-shared --prefix=$TARGETDIR \
	--infodir=$TARGETDIR/info \
	--with-gmp=$DESTDIR$TARGETDIR CFLAGS="$HOSTCFLAGS" \|\| \
	touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	# work around build problem of libgmp.la
	if [ "$DESTDIR" != "" ]; then
	perl -pi -e "s,$DESTDIR,," $DESTDIR$TARGETDIR/libgmp.la
	fi

	if [ ! -f .failed ]; then touch .success; fi
	) > build-mpfr/crossgcc-build.log 2>&1
	test -r build-mpfr/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-mpfr/.failed && exit 1
	fi

	if [ -f build-mpc/.success ]; then
	printf "Skipping MPC as it is already built\n"
	else
	printf "Building MPC ${MPC_VERSION} ... "
	(
	cd build-mpc
	rm -f .failed
	CC="$CC" ../${MPC_DIR}/configure --disable-shared --prefix=$TARGETDIR \
	--infodir=$TARGETDIR/info --with-mpfr=$DESTDIR$TARGETDIR \
	--with-gmp=$DESTDIR$TARGETDIR CFLAGS="$HOSTCFLAGS" \|\| \
	touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	if [ ! -f .failed ]; then touch .success; fi
	) > build-mpc/crossgcc-build.log 2>&1
	test -r build-mpc/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-mpc/.failed && exit 1
	fi

	if [ -f build-libelf/.success ]; then
	printf "Skipping libelf as it is already built\n"
	else
	printf "Building libelf ${LIBELF_VERSION} ... "
	(
	cd build-libelf
	rm -f .failed
	echo "$HOSTCFLAGS"
	CC="$CC" CFLAGS="$HOSTCFLAGS" libelf_cv_elf_h_works=no \
	../${LIBELF_DIR}/configure --disable-shared --prefix=$TARGETDIR \
	--infodir=$TARGETDIR/info CFLAGS="$HOSTCFLAGS" \|\| touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	if [ ! -f .failed ]; then touch .success; fi
	) > build-libelf/crossgcc-build.log 2>&1
	test -r build-libelf/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-libelf/.failed && exit 1
	fi

	if [ -f build-binutils/.success ]; then
	printf "Skipping binutils as it is already built\n"
	else
	printf "Building binutils ${BINUTILS_VERSION} ... "
	(
	# What a pain: binutils don't come with configure
	# script anymore. Create it:
	cd binutils-${BINUTILS_VERSION}/
	autoconf
	cd ..
	# Now build binutils
	cd build-binutils
	rm -f .failed
	CC="$CC" ../binutils-${BINUTILS_VERSION}/configure --prefix=$TARGETDIR \
	--target=${TARGETARCH} --disable-werror --disable-nls \
	$USE_GOLD CFLAGS="$HOSTCFLAGS" \|\| touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed
	if [ ! -f .failed ]; then touch .success; fi
	) > build-binutils/crossgcc-build.log 2>&1
	test -r build-binutils/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-binutils/.failed && exit 1
	fi

	if [ -f build-gcc/.success ]; then
	printf "Skipping GCC as it is already built\n"
	else
	printf "Building GCC ${GCC_VERSION} ... "
	(
	# Even worse than binutils: GCC does not come with configure
	# script anymore, but also enforces an obsolete autoconf version
	# to create it. This is a poster child of how autotools help make
	# software portable.
	cd gcc-${GCC_VERSION}
	sed '/dnl Ensure exactly this Autoconf version is used/d' \
	config/override.m4 > config/override.m4.new
	autoconf_version=`autoconf -V \| grep "autoconf" \| tr ' ' '\n' \| tail -1`
	sed "s/${GCC_AUTOCONF_VERSION}/${autoconf_version}/g" \
	config/override.m4.new > config/override.m4
	autoconf
	cd ..
	# Now, finally, we can build gcc:
	cd build-gcc
	rm -f .failed
	# GCC does not honour HOSTCFLAGS at all. CFLAGS are used for
	# both target and host object files. This is pretty misdesigned.
	# There's a work-around called CFLAGS_FOR_BUILD and CFLAGS_FOR_TARGET
	# but it does not seem to work properly. At least the host library
	# libiberty is not compiled with CFLAGS_FOR_BUILD.
	CC="$CC" CFLAGS_FOR_TARGET="-O2" CFLAGS="$HOSTCFLAGS" \
	CFLAGS_FOR_BUILD="$HOSTCFLAGS" ../gcc-${GCC_VERSION}/configure \
	--prefix=$TARGETDIR --libexecdir=$TARGETDIR/lib \
	--target=${TARGETARCH} --disable-werror --disable-shared \
	--disable-libssp --disable-bootstrap --disable-nls \
	--disable-libquadmath --without-headers \
	$GCC_OPTIONS --enable-languages="c" $USE_GOLD \
	--with-gmp=$DESTDIR$TARGETDIR --with-mpfr=$DESTDIR$TARGETDIR \
	--with-mpc=$DESTDIR$TARGETDIR --with-libelf=$DESTDIR$TARGETDIR \
	--with-pkgversion="coreboot toolchain v$CROSSGCC_VERSION $CROSSGCC_DATE" \
	\|\| touch .failed
	$MAKE $JOBS CFLAGS_FOR_BUILD="$HOSTCFLAGS" all-gcc \|\| touch .failed
	$MAKE install-gcc DESTDIR=$DESTDIR \|\| touch .failed

	if [ "`echo $TARGETARCH \| grep -c -- -mingw32`" -eq 0 ]; then
	$MAKE $JOBS CFLAGS_FOR_BUILD="$HOSTCFLAGS" all-target-libgcc \|\| touch .failed
	$MAKE install-target-libgcc DESTDIR=$DESTDIR \|\| touch .failed
	fi

	if [ ! -f .failed ]; then touch .success; fi
	) > build-gcc/crossgcc-build.log 2>&1
	test -r build-gcc/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-gcc/.failed && exit 1
	fi

	if [ -f build-expat/.success ]; then
	printf "Skipping Expat as it is already built\n"
	elif [ $SKIPPYTHON -eq 1 ]; then
	printf "Skipping Expat (Python scripting not enabled)\n"
	else
	printf "Building Expat ${EXPAT_VERSION} ... "
	(
	cd build-expat
	rm -f .failed
	CC="$CC" CFLAGS="$HOSTCFLAGS" ../${EXPAT_DIR}/configure --disable-shared \
	--prefix=$TARGETDIR --target=${TARGETARCH} \|\| touch .failed
	$MAKE \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	if [ ! -f .failed ]; then touch .success; fi
	) > build-expat/crossgcc-build.log 2>&1
	test -r build-expat/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-expat/.failed && exit 1
	fi


	if [ -f build-python/.success ]; then
	printf "Skipping Python as it is already built\n"
	elif [ $SKIPPYTHON -eq 1 ]; then
	printf "Skipping Python (Python scripting not enabled)\n"
	else
	printf "Building Python ${PYTHON_VERSION} ... "
	(
	cd build-python
	rm -f .failed
	CC="$CC" CFLAGS="$HOSTCFLAGS" ../${PYTHON_DIR}/configure --prefix=$TARGETDIR \
	--target=${TARGETARCH} \|\| touch .failed
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed

	normalize_dirs

	if [ ! -f .failed ]; then touch .success; fi
	) > build-python/crossgcc-build.log 2>&1
	test -r build-python/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-python/.failed && exit 1
	fi


	if [ -f build-gdb/.success ]; then
	printf "Skipping GDB as it is already built\n"
	elif [ $SKIPGDB -eq 1 ]; then
	printf "Skipping GDB (GDB support not enabled)\n"
	else
	printf "Building GDB ${GDB_VERSION} ... "
	(
	cd build-gdb
	export PYTHONHOME=$DESTDIR$TARGETDIR
	rm -f .failed
	LDFLAGS="-Wl,-rpath,\$\$ORIGIN/../lib/ -L$DESTDIR$TARGETDIR/lib \
	-lpthread -ldl -lutil" \
	CC="$CC" CFLAGS="$HOSTCFLAGS -I$DESTDIR$TARGETDIR/include" \
	../gdb-${GDB_VERSION}/configure --prefix=$TARGETDIR \
	--target=${TARGETARCH} --disable-werror --disable-nls
	$MAKE $JOBS \|\| touch .failed
	$MAKE install DESTDIR=$DESTDIR \|\| touch .failed
	if [ ! -f .failed ]; then touch .success; fi
	) > build-gdb/crossgcc-build.log 2>&1
	test -r build-gdb/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r build-gdb/.failed && exit 1
	fi

	if [ -f $IASL_DIR/source/compiler/.success ]; then
	printf "Skipping IASL as it is already built\n"
	else
	printf "Building IASL ${IASL_VERSION} ... "
	(
	cd $IASL_DIR/generate/unix
	rm -f .failed
	CFLAGS="$HOSTCFLAGS"
	$MAKE CC="$CC" iasl \|\| touch .failed
	rm -f $DESTDIR$TARGETDIR/bin/iasl \|\| touch .failed
	if [ -d bin32 ]; then cp bin32/iasl $DESTDIR$TARGETDIR/bin \|\| touch .failed ; fi
	if [ -d bin64 ]; then cp bin64/iasl $DESTDIR$TARGETDIR/bin \|\| touch .failed ; fi
	if [ ! -f .failed ]; then touch .success; fi
	) > $IASL_DIR/source/compiler/crossgcc-build.log 2>&1
	test -r $IASL_DIR/generate/unix/.failed && printf "${RED}failed${NC}\n" \|\| \
	printf "${green}ok${NC}\n"
	test -r $IASL_DIR/generate/unix/.failed && exit 1
	fi

	rm -f $DESTDIR$TARGETDIR/$0.commit.*
	cp $0 $DESTDIR$TARGETDIR/"$0.commit.`git describe`"

	if [ $SAVETEMPS -eq 0 ]; then
	printf "Cleaning up... "
	rm -rf ${GMP_DIR} build-gmp
	rm -rf ${MPFR_DIR} build-mpfr
	rm -rf ${MPC_DIR} build-mpc
	rm -rf ${LIBELF_DIR} build-libelf
	rm -rf ${BINUTILS_DIR} build-binutils
	rm -rf ${GCC_DIR} build-gcc
	rm -rf ${GDB_DIR} build-gdb
	rm -rf ${EXPAT_DIR} build-expat
	rm -rf ${PYTHON_DIR} build-python
	rm -rf ${IASL_DIR}
	printf "${green}ok${NC}\n"
	else
	printf "Leaving temporary files around... ${green}ok${NC}\n"
	fi

	printf "\n${green}You can now run your $TARGETARCH cross toolchain from $TARGETDIR.${NC}\n"