# $Id$

PNAME="binutils"
PVER="2.24"
PBUILD="r3"

PCAT="sys-dev"

DESCRIPTION="Tools necessary to build programs."
HOMEPAGE="http://www.kernel.org/pub/linux/devel/binutils/"

# enabled 1, or disabled 0
GOLD_ENABLED=1

if [[ ${GOLD_ENABLED} = 1 ]]
then
	# ld.gold needs libstdc++ and libgcc
	DEPEND=">= sys-libs/libgcc-4.8.3
		>= sys-libs/libstdc++-4.8.3"
else
	DEPEND=">= virtual/glibc"
fi
SDEPEND=">= virtual/kernel-headers"

SRCFILE="${PNAME}-${PVER}.tar.gz"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

sminclude mtools

SRC_URI=(
	http://www.kernel.org/pub/linux/devel/${PNAME}/${SRCFILE}
	gnu://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-2.16.91.0.5-multilib.patch
)

# unstable
#UP2DATE="updatecmd ${HOMEPAGE} | sed -n 's/.*release.binutils-\(.*\).*/\1/;$ p'"
# stable only
UP2DATE="updatecmd 'http://ftp.gnu.org/gnu/${PNAME}/?C=M;O=A' | lasttarball gz"

# binutils don't like strong CFLAGS
export CFLAGS="${CFLAGS//-O?} -O2"
export CXXFLAGS="${CFLAGS}"

if [[ -z ${CCHOST} ]]
then
	# no crosscompile defined
	export CCHOST=${CHOST}
else
	# use crosscompile host
	export CCHOST=${CCHOST}
fi

src_prepare()
{
	munpack ${SRCFILE} || die
	install -d ${SRCDIR}/build || die

	cd ${SRCDIR}
	mpatch ${PNAME}-2.16.91.0.5-multilib.patch || die
}

src_compile()
{
	cd ${SRCDIR}/build

	local myopts
	if [[ ${GOLD_ENABLED} = 1 ]]
	then
		myopts+=" --enable-gold"
		myopts+=" --enable-ld=default"
	fi

	#--enable-64-bit-bfd \
	# fixes compilation, use 'ar' instead of '${CHOST}-ar'
	AR=ar \
	../configure \
		--host=${CHOST} \
		--target=${CCHOST} \
		--prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--libdir=/usr/$(mlibdir) \
		--enable-shared \
		--enable-plugins \
		--enable-threads \
		--disable-werror \
		--with-pic \
		${myopts} \
		|| die

	make configure-host || die
	mmake tooldir=/usr all || die
}

src_install()
{
	cd ${SRCDIR}/build

	mmake DESTDIR=${BINDIR} tooldir=/usr install || die
	minstallfile ../include/libiberty.h /usr/include || die

	cd ${SRCDIR}
	minstalldocs ChangeLog* COPYING* MAINTAINERS README* || die
}