# $Header: /alx-cvs/smage-eglibc/libstdc++/libstdc++-4.2.3-r2.smage2,v 1.2 2008/06/10 19:17:22 niro Exp $

PNAME="libstdc++"
PVER="4.2.3"
PBUILD="r2"

PCATEGORIE="sys-libs"
STATE="unstable"

DESCRIPTION="Standard GNU C and C++ libraries."
HOMEPAGE="http://www.gnu.org/software/gcc/gcc.html"

# needed to prevent compat issues with gcc-3.4.x and gcc-4.0.x
DEPEND=">= sys-libs/libstdc++-v3-3.3.3
	>= virtual/base-files"

SDEPEND=">= sys-dev/binutils-2.16
	>= virtual/kernel-headers"

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

# languages to build into gcc
MyLanguages=c,c++

sminclude cleanutils libtool alx

SRC_URI=(
	gnu://gcc/gcc-${PVER}/${SRCFILE}
	mirror://gcc/${SRCFILE}
	mirror://gcc/gcc-${PVER}-no-fixincludes.patch
	mirror://gcc/gcc-${PVER}-magellan-version.patch
)

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

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

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

	mpatch gcc-${PVER}-no-fixincludes.patch || die
	mpatch gcc-${PVER}-magellan-version.patch || die

	# suppress installation of libiberty, as we will be
	# using the one from binutils
	sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in || die

	install -d ${SRCDIR}/build || die
	cd ${SRCDIR}/build
}

src_compile()
{
	cd ${SRCDIR}/build

	# you better off when not using distcc to compile
	# your new compiler :) maybe not all are the same
	export SMAGE_USE_DISTCC=false

	../configure \
		--host=${CHOST} \
		--target=${CCHOST} \
		--prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--libdir=/usr/$(mlibdir) \
		--libexecdir=/usr/$(mlibdir) \
		--enable-shared \
		--enable-threads=posix \
		--enable-__cxa_atexit \
		--enable-clocale=gnu \
		--disable-checking \
		--disable-libunwind-exceptions \
		--with-system-zlib \
		--enable-long-long \
		--enable-cstdio=stdio \
		--enable-languages=${MyLanguages} \
		--disable-libstdcxx-pch \
		|| die

	# parallel builds seems to break sometimes on x86_64
	local myopts
	[[ ${ARCH} = x86_64 ]] && myopts=-j1

	mmake ${myopts} bootstrap-lean || die
}

src_install()
{
	cd ${SRCDIR}/build
	install -d ${BINDIR}/$(mlibdir) || die

	make DESTDIR=${BINDIR} install || die

	# deletes everything excluding libgcc_s and libstdc++
	zapmost ${BINDIR}/usr/$(mlibdir) libgcc_s*.* libstdc++*.* || die

	# other not needed
	rm -rf ${BINDIR}/$(mlibdir) || die
	rm -rf ${BINDIR}/usr/{bin,include,share} || die
	rm -rf ${BINDIR}/usr/libexec || die

	# fix all .la files
	# the contain invalid libpathes and they are not needed
	local la
	for la in $(find ${BINDIR} -name \*.la)
	do
		fix_la_file ${la} || die ${la}
	done
}