void-packages/srcpkgs/cross-arm-linux-gnueabihf/template

# Template build file for 'cross-arm-linux-gnueabihf'
#
_binutils_version=2.23.1
_gcc_version=4.7.2
_glibc_version=2.17
_gmp_version=5.0.5
_mpfr_version=3.1.1

pkgname=cross-arm-linux-gnueabihf
version=0.2
revision=1
short_desc="Cross toolchain for the arm-linux-gnueabihf target"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://www.voidlinux.eu"
license="Public Domain"
distfiles="
 http://ftp.gnu.org/pub/gnu/binutils/binutils-${_binutils_version}/binutils-${_binutils_version}.tar.bz2
 http://ftp.gnu.org/pub/gnu/gcc/gcc-${_gcc_version}/gcc-${_gcc_version}.tar.bz2
 http://ftp.gnu.org/gnu/glibc/glibc-${_glibc_version}.tar.xz
 http://mirrors.kernel.org/gnu/gmp/gmp-${_gmp_version}.tar.bz2
 http://www.mpfr.org/mpfr-current/mpfr-${_mpfr_version}.tar.bz2"
checksum="
 2ab2e5b03e086d12c6295f831adad46b3e1410a3a234933a2e8fac66cb2e7a19
 8a9283d7010fb9fe5ece3ca507e0af5c19412626384f8a5e9434251ae100b084
 6914e337401e0e0ade23694e1b2c52a5f09e4eda3270c67e7c3ba93a89b5b23e
 1f588aaccc41bb9aed946f9fe38521c26d8b290d003c5df807f65690f2aadec9
 7b66c3f13dc8385f08264c805853f3e1a8eedab8071d582f3e661971c9acd5fd"

nostrip_files="libgcc.a libgcov.a libgcc_eh.a"
create_wrksrc=yes
disable_debug=yes
subpackages="${pkgname}-libc"
makedepends="perl flex gmp-devel mpc-devel cloog-ppl-devel
 cross-arm-linux-gnueabihf-libc-headers-3.7.1_2"
depends="${pkgname}-libc-headers ${pkgname}-libc-${version}_${revision}"

_CROSS_TARGET="arm-linux-gnueabihf"
_CROSS_DIR="/usr"
_CROSS_SYSROOT="${_CROSS_DIR}/${_CROSS_TARGET}"

_apply_patch() {
	local pname="$(basename $1)"

	if [ ! -f ".${pname}_done" ]; then
		patch -Np1 -i ${1}
		touch .${pname}_done
	fi
}

_binutils_bootstrap() {
	[ -f ${wrksrc}/.binutils_bootstrap_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross binutils bootstrap\n"
	[ ! -d binutils-build ] && mkdir binutils-build
	cd binutils-build

	../binutils-${_binutils_version}/configure \
		--prefix=${_CROSS_DIR} --target=${_CROSS_TARGET} \
		--with-sysroot=${_CROSS_SYSROOT} --disable-nls --disable-shared \
		--disable-multilib --disable-werror || return 1

	make configure-host && make ${makejobs} || return 1
	make install || return 1

	touch ${wrksrc}/.binutils_bootstrap_done
}

_gcc_bootstrap() {
	[ -f ${wrksrc}/.gcc_bootstrap_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross gcc bootstrap\n"

	cd gcc-${_gcc_version}
	_apply_patch ${FILESDIR}/armhf-triplet-trunk.diff

	[ ! -d ../gcc-build ] && mkdir ../gcc-build
	cd ../gcc-build

	../gcc-${_gcc_version}/configure --prefix=${_CROSS_DIR} \
		--target=${_CROSS_TARGET} --without-headers \
		--disable-nls --disable-shared --without-headers \
		--disable-decimal-float --disable-libgomp --disable-libmudflap \
		--disable-libssp --disable-threads --enable-languages=c \
		--disable-sjlj-exceptions --disable-multilib \
		--with-gnu-ld --with-gnu-as --with-float=hard

	make ${makejobs} all-gcc all-target-libgcc || return 1
	make install-gcc install-target-libgcc || return 1

	ln -sfr ${_CROSS_DIR}/lib/gcc/${_CROSS_TARGET}/${_gcc_version}/libgcc.a \
		${_CROSS_DIR}/lib/gcc/${_CROSS_TARGET}/${_gcc_version}/libgcc_sh.a

	touch ${wrksrc}/.gcc_bootstrap_done
}

_glibc_headers() {
	[ -f ${wrksrc}/.glibc_headers_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross glibc headers\n"

	[ ! -d glibc-headers ] && mkdir glibc-headers
	cd glibc-headers

	echo "libc_cv_forced_unwind=yes" > config.cache
	echo "libc_cv_c_cleanup=yes" >> config.cache

	export CC="${_CROSS_TARGET}-gcc" LD="${_CROSS_TARGET}-ld" AS="${_CROSS_TARGET}-as"
	export PATH=${_CROSS_DIR}/bin:${PATH}

	../glibc-${_glibc_version}/configure \
		--host=${_CROSS_TARGET} --prefix=/usr \
		--with-headers=/usr/${_CROSS_TARGET}/usr/include \
		--config-cache --enable-add-ons=nptl,ports \
		--enable-kernel=2.6.27 --with-float=hard || return 1

	make -k install-headers cross_compiling=yes \
		install_root=${_CROSS_SYSROOT} || return 1

	touch ${wrksrc}/.glibc_headers_done
}

_glibc_build() {
	[ -f ${wrksrc}/.glibc_build_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross glibc\n"

	[ ! -d glibc-build ] && mkdir glibc-build
	cd glibc-build

	echo "libc_cv_forced_unwind=yes" > config.cache
	echo "libc_cv_c_cleanup=yes" >> config.cache

	export CC="${_CROSS_TARGET}-gcc" LD="${_CROSS_TARGET}-ld" AS="${_CROSS_TARGET}-as"
	export CFLAGS="-Os -pipe -mfloat-abi=hard -mfpu=vfp -march=armv6"

	../glibc-${_glibc_version}/configure \
		--host=${_CROSS_TARGET} --prefix=/usr \
		--with-headers=/usr/${_CROSS_TARGET}/usr/include \
		--config-cache --enable-add-ons=nptl,ports \
		--with-float=hard --enable-kernel=2.6.27
	
	make ${makejobs} || return 1
	make install_root=${_CROSS_SYSROOT} install || return 1

	touch ${wrksrc}/.glibc_build_done
}

_gcc_static() {
	[ -f ${wrksrc}/.gcc_static_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross gcc static\n"

	[ ! -d gcc-static ] && mkdir gcc-static
	cd gcc-static

	echo "libc_cv_forced_unwind=yes" > config.cache
	echo "libc_cv_c_cleanup=yes" >>config.cache

	export CC="gcc"
	export CFLAGS="-Os"

	../gcc-${_gcc_version}/configure \
		--target=${_CROSS_TARGET} --prefix=${_CROSS_DIR} \
		--with-sysroot=${_CROSS_SYSROOT} --enable-languages=c \
		--with-gnu-as --with-gnu-ld --disable-multilib \
		--with-float=hard --disable-sjlj-exceptions --disable-nls \
		--enable-threads=posix --enable-long-longx || return 1

	make ${makejobs} all-gcc || return 1
	make install-gcc || return 1

	ln -sfr ${_CROSS_DIR}/lib/gcc/${_CROSS_TARGET}/${_gcc_version}/libgcc.a \
		${_CROSS_DIR}/lib/gcc/${_CROSS_TARGET}/${_gcc_version}/libgcc_eh.a

	touch ${wrksrc}/.gcc_static_done
}

_gmp_static() {
	[ -f ${wrksrc}/.gmp_static_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross gmp static\n"

	[ ! -d gmp-static ] && mkdir gmp-static
	cd gmp-static

	export CC="${_CROSS_TARGET}-gcc" LD="${_CROSS_TARGET}-ld" AS="${_CROSS_TARGET}-as"
	export CFLAGS="-Os -pipe -mfloat-abi=hard -mfpu=vfp -march=armv6 -static"

	../gmp-${_gmp_version}/configure \
		--host=${_CROSS_TARGET} --prefix=${_CROSS_SYSROOT} \
		--disable-shared || return 1

	make ${makejobs} || return 1
	make install || return 1

	touch ${wrksrc}/.gmp_static_done
}

_mpfr_build() {
	[ -f ${wrksrc}/.mpfr_build_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross mpfr\n"

	[ ! -d mpfr-build ] && mkdir mpfr-build
	cd mpfr-build

	export CC="${_CROSS_TARGET}-gcc" LD="${_CROSS_TARGET}-ld" AS="${_CROSS_TARGET}-as"
	export CFLAGS="-Os -pipe -mfloat-abi=hard -mfpu=vfp -march=armv6"

	../mpfr-${_mpfr_version}/configure \
		--host=${_CROSS_TARGET} --prefix=${_CROSS_SYSROOT} \
		--with-gmp=${_CROSS_SYSROOT} || return 1

	make ${makejobs} || return 1
	make install || return 1

	touch ${wrksrc}/.mpfr_build_done
}

_gcc_final() {
	[ -f ${wrksrc}/.gcc_final_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building cross gcc final\n"

	[ ! -d gcc-final ] && mkdir gcc-final
	cd gcc-final

	# XXX
	ln -sfr ${_CROSS_SYSROOT}/usr/include/gnu/stubs-hard.h \
		${_CROSS_SYSROOT}/usr/include/gnu/stubs-soft.h

	export CC="gcc"
	# Make this link to target libs.
	if [ ! -f .sed_subst_done ]; then
		sed -e "s, /lib/, ${_CROSS_SYSROOT}/lib/,g;s, /usr/lib/, ${_CROSS_SYSROOT}/usr/lib/,g" \
			-i ${_CROSS_SYSROOT}/lib/libc.so ${_CROSS_SYSROOT}/lib/libpthread.so
		touch .sed_subst_done
	fi
	
	../gcc-${_gcc_version}/configure \
		--target=${_CROSS_TARGET} --prefix=/usr \
		--with-sysroot=${_CROSS_SYSROOT} --enable-languages=c,c++ \
		--with-gnu-as --with-gnu-ld --disable-multilib \
		--with-float=hard --disable-nls --disable-sjlj-exceptions \
		--enable-threads=posix --enable-long-longx \
		--enable-shared || return 1

	make ${makejobs} || return 1
	make install || return 1

	touch ${wrksrc}/.gcc_final_done
}

_glibc_final() {
	[ -f ${wrksrc}/.glibc_final_done ] && return 0

	cd ${wrksrc}
	msg_normal "Building final glibc for target\n"

	[ ! -d glibc-final ] && mkdir glibc-final
	cd glibc-final

	echo "libc_cv_forced_unwind=yes" > config.cache
	echo "libc_cv_c_cleanup=yes" >> config.cache

	export CC="${_CROSS_TARGET}-gcc" LD="${_CROSS_TARGET}-ld" AS="${_CROSS_TARGET}-as"
	export CFLAGS="-Os -pipe -mfloat-abi=hard -mfpu=vfp -march=armv6"

	../glibc-${_glibc_version}/configure \
		--host=${_CROSS_TARGET} --prefix=/usr \
		--with-headers=/usr/${_CROSS_TARGET}/usr/include \
		--config-cache --enable-add-ons=nptl,ports \
		--enable-obsolete-rpc --disable-profile \
		--with-float=hard --enable-kernel=2.6.27
	
	make ${makejobs} || return 1

	touch ${wrksrc}/.glibc_final_done
}

do_build() {
	unset LDFLAGS
	export CFLAGS="-Os" CXXFLAGS="-Os"

	for f in include lib libexec bin sbin; do
		if [ ! -d ${_CROSS_SYSROOT}/usr/${f} ]; then
			mkdir -p ${_CROSS_SYSROOT}/usr/${f}
			ln -sfr ${_CROSS_SYSROOT}/usr/${f} ${_CROSS_SYSROOT}/${f}
		fi
	done

	_binutils_bootstrap || return 1
	_gcc_bootstrap || return 1
	_glibc_headers || return 1
	_glibc_build || return 1
	_gcc_static || return 1
	_gmp_static || return 1
	_mpfr_build || return 1
	_gcc_final || return 1
	_glibc_final || return 1
}

do_install() {
	for f in include lib libexec bin sbin; do
		if [ ! -d ${DESTDIR}/${_CROSS_SYSROOT}/usr/${f} ]; then
			mkdir -p ${DESTDIR}/${_CROSS_SYSROOT}/usr/${f}
			ln -sfr ${DESTDIR}/${_CROSS_SYSROOT}/usr/${f} \
				${DESTDIR}/${_CROSS_SYSROOT}/${f}
		fi
	done

	# install cross binutils
	cd ${wrksrc}/binutils-build &&
		make DESTDIR=${DESTDIR} install || return 1

	# install cross gcc
	cd ${wrksrc}/gcc-final && \
		make DESTDIR=${DESTDIR} install || return 1

	# install glibc for target
	cd ${wrksrc}/glibc-final && \
		make install_root=${DESTDIR}/usr/${_CROSS_TARGET} install || return 1

	# hard-float only toolchain.
	ln -sfr ${DESTDIR}/${_CROSS_SYSROOT}/usr/include/gnu/stubs-hard.h \
		${DESTDIR}/${_CROSS_SYSROOT}/usr/include/gnu/stubs-soft.h

	# Remove unnecessary stuff
	rm -f ${DESTDIR}/usr/lib*/libiberty.a
	rm -rf ${DESTDIR}/usr/share
	rm -rf ${DESTDIR}/${_CROSS_SYSROOT}/{etc,var}
	rm -rf ${DESTDIR}/${_CROSS_SYSROOT}/usr/{sbin,share,libexec}
	rm -rf ${DESTDIR}/${_CROSS_SYSROOT}/usr/lib/gconv
	rm -f ${DESTDIR}/${_CROSS_SYSROOT}/libexec

	for f in sprof localedef gencat pldd sotruss tzselect iconv mtrace \
		catchsegv xtrace makedb pcprofiledump locale rpcgen getconf \
		getent ldd; do
		rm -f ${DESTDIR}/${_CROSS_SYSROOT}/usr/bin/${f}
	done

	# Remove temporary stuff from masterdir
	rm -rf ${_CROSS_SYSROOT}
	rm -f /usr/bin/${_CROSS_TARGET}*
	rm -rf /usr/lib/gcc/${_CROSS_TARGET}
	rm -rf /usr/libexec/gcc/${_CROSS_TARGET}
}