# $Header: /home/cvsd/magellan-cvs/magellan-src/toolchain/toolchain-glibc/toolchain-glibc-2.3.5-r3.smage2,v 1.1 2005-07-04 00:41:38 niro Exp $

PNAME="toolchain-glibc"
PVER="2.3.5"
PBUILD="r3"

SRCFILE="glibc-${PVER}.tar.bz2"
SRCDIR="${BUILDDIR}/glibc-${PVER}"

LINUXTHREADS="glibc-linuxthreads-${PVER}.tar.bz2"

SRC_URI=(
	mirror://glibc/${SRCFILE}
	mirror://glibc/${LINUXTHREADS}
	mirror://glibc/glibc-2.3.5-fix_test-1.patch
)

## global toolchain var ##
# export CFLAGS, CHOST, TOOLCHAIN_PREFIX
export CFLAGS="-mtune=i486 -Os -pipe"
export CXXFLAGS="${CFLAGS}"
export TOOLCHAIN_PREFIX="/tools"

zapmost() {
	local rootdir
	rootdir="${1}/"
	[ ! -e  "$rootdir" ] && echo "zapmost: $rootdir not found; skipping..." && return 1
	install -d ${BUILDDIR}/zap
	local dirs
	shift
	local x
	for x in ${*}
	do
		if [ "${x##*/}" = "${x}" ]
		then
			#one deep
			mv ${rootdir}${x} ${BUILDDIR}/zap
		else
			#more than one deep; create intermediate directories
			dirs=${x%/*}
			install -d ${BUILDDIR}/zap/${dirs}
			mv ${rootdir}${x} ${BUILDDIR}/zap/${x}
		fi
	done
	rm -rf ${rootdir}*
	mv ${BUILDDIR}/zap/* ${rootdir}
}

# glibc -> nptl thread don't like striping
NOSTRIP=true

# gcc 3.0 - 3.3 needs this:
export CFLAGS="${CFLAGS} -finline-limit=2000"
export CXXFLAGS="${CFLAGS}"
export LDFLAGS="${LDFLAGS//-Wl,--relax}"

# use other linux-headers
[ -z "${ALT_HEADERS}" ] && export ALT_HEADERS="/usr/include"

# needs:
# compile time: 54m16.506s (Athlon XP 1600+, 256mb DDR333)

src_prepare() {
	munpack ${SRCFILE} || die
	munpack ${LINUXTHREADS} ${SRCDIR} || die
	cd ${SRCDIR}

	# disable binutils -as-needed
	sed -e 's/^have-as-needed.*/have-as-needed = no/' -i ${SRCDIR}/config.make.in || die

	# fix some tests which will fail with a kernel-2.6.11.x
	mpatch -Np1 glibc-2.3.5-fix_test-1.patch || die

	# fix permissions on some of the scripts
	chmod u+x ${SRCDIR}/scripts/*.sh || die

	mkdir ${SRCDIR}/build || die
	cd ${SRCDIR}/build

	touch /etc/ld.so.conf || die
}

src_compile() {
	cd ${SRCDIR}/build

	# linuxthreads kernel-2.4 enabled glibc
	../configure \
		--build=${CHOST} \
		--host=${CHOST} \
		--prefix=${TOOLCHAIN_PREFIX} \
		--disable-profile \
		--enable-add-ons=linuxthreads \
		--without-__thread \
		--enable-kernel=2.4.1 \
		--without-cvs \
		--with-headers=${ALT_HEADERS} \
		--without-gd \
		--without-selinux \
		--disable-nls \
		|| die

	make PARALLELMFLAGS="-j2" || die
}

src_install() {
	cd ${SRCDIR}/build

	make PARALLELMFLAGS="-j2" install_root=${BINDIR} install || die

	# strip all binaries
	find ${BINDIR} | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded || die
	
	# strip all libraries
	# want to be safe here; --strip-unneeded seems to cause pthread problems
	# strip all but libpthread
	install -d ${BUILDDIR}/thread-backup || die
	mv ${BINDIR}${TOOLCHAIN_PREFIX}/lib/lib{pthread,thread_db}* ${BUILDDIR}/thread-backup/ || die
	# now strip
	find ${BINDIR} | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded || die
	mv -f ${BUILDDIR}/thread-backup/* ${BINDIR}${TOOLCHAIN_PREFIX}/lib/ || die
	# remove stale directory
	rm -rf ${BUILDDIR}/thread-backup || die

	# remove unwanted stuff
	KEEPFILES="bin/ldd bin/getent lib sbin/ldconfig"
	zapmost ${BINDIR}${TOOLCHAIN_PREFIX} ${KEEPFILES} || die

	# remove static libs and other stale stuff
	rm ${BINDIR}/${TOOLCHAIN_PREFIX}/lib/*.a || die
	rm ${BINDIR}/${TOOLCHAIN_PREFIX}/lib/*crt*.o || die
	rm -rf ${BINDIR}/${TOOLCHAIN_PREFIX}/lib/gconv || die
}