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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm-gcc/llvm-gcc-2.8.ebuild,v 1.1 2010/10/06 09:17:40 voyageur Exp $
EAPI=3
inherit libtool flag-o-matic gnuconfig multilib
LLVM_GCC_VERSION=4.2
MY_PV=${LLVM_GCC_VERSION}-${PV/_pre*}
DESCRIPTION="LLVM C front-end"
HOMEPAGE="http://llvm.org"
SRC_URI="http://llvm.org/releases/${PV}/${PN}-${MY_PV}.source.tgz"
LICENSE="GPL-2"
SLOT=0
KEYWORDS="~amd64 ~ppc ~x86 ~ppc-macos"
IUSE="bootstrap fortran multilib nls objc objc++ test"
RDEPEND=">=sys-devel/llvm-$PV"
DEPEND="${RDEPEND}
>=sys-apps/texinfo-4.2-r4
|| ( >=sys-devel/binutils-2.18 >=sys-devel/binutils-apple-3.2.3 )
>=sys-devel/bison-1.875
test? ( dev-util/dejagnu
sys-devel/autogen )"
S=${WORKDIR}/llvm-gcc-${MY_PV}.source
src_prepare() {
#we keep the directory structure suggested by README.LLVM,
mkdir -p "${S}"/obj
# From toolchain eclass
elibtoolize --portage --shallow --no-uclibc
gnuconfig_update
# update configure files
local f
for f in $(grep -l 'autoconf version 2.13' $(find "${S}" -name configure)) ; do
#ebegin " Updating ${f/${S}\/} [LANG]"
ebegin " Updating \"${f/${S}\/}\" [LANG]"
patch "${f}" "${FILESDIR}"/gcc-configure-LANG.patch >& "${T}"/configure-patch.log \
|| eerror "Please file a bug about this"
eend $?
done
sed -i 's|A-Za-z0-9|[:alnum:]|g' gcc/*.awk #215828
if [[ -x contrib/gcc_update ]] ; then
einfo "Touching generated files"
./contrib/gcc_update --touch | \
while read f ; do
einfo " ${f%%...}"
done
fi
}
src_configure() {
gcc_do_filter_flags
# Target options are handled by econf
cd "${S}"/obj
EXTRALANGS=""
use fortran && EXTRALANGS="${EXTRALANGS},fortran"
use objc && EXTRALANGS="${EXTRALANGS},objc"
use objc++ && EXTRALANGS="${EXTRALANGS},obj-c++"
ECONF_SOURCE="${S}" econf --prefix="${EPREFIX}"/usr/$(get_libdir)/${PN}-${MY_PV} \
$(use_enable multilib) \
--program-prefix=${PN}-${MY_PV}- \
--enable-llvm="${EPREFIX}"/usr --enable-languages=c,c++${EXTRALANGS} \
$(use prefix && echo "--with-local-prefix=${EPREFIX}/usr") \
|| die "configure failed"
}
src_compile() {
gcc_do_filter_flags
cd "${S}"/obj
BUILDOPTIONS="LLVM_VERSION_INFO=${MY_PV}"
use bootstrap && BUILDOPTIONS="${BUILDOPTIONS} bootstrap"
emake ${BUILDOPTIONS} || die "emake failed"
}
src_test() {
cd "${S}"/obj
emake -j1 -k check || ewarn "check failed and that sucks :("
}
src_install() {
cd "${S}"/obj
# Do allow symlinks in private gcc include dir as this can break the build
find gcc/include*/ -type l -print0 | xargs -0 rm -f
# Remove generated headers, as they can cause things to break
# (ncurses, openssl, etc).
for x in $(find gcc/include*/ -name '*.h') ; do
grep -q 'It has been auto-edited by fixincludes from' "${x}" \
&& rm -f "${x}"
done
emake DESTDIR="${D}" install || die "installation failed"
rm -rf "${ED}"/usr/share/man/man7
if ! use nls; then
einfo "nls USE flag disabled, not installing locale files"
rm -rf "${ED}"/usr/share/locale
fi
# Add some symlinks
dodir /usr/bin
cd "${ED}/usr/bin"
for X in c++ g++ cpp gcc gcov gccbug ; do
ln -s "${EPREFIX}"/usr/$(get_libdir)/${PN}-${MY_PV}/bin/${PN}-${MY_PV}-${X} llvm-${X}
done
use fortran && \
ln -s "${EPREFIX}"/usr/$(get_libdir)/${PN}-${MY_PV}/bin/${PN}-${MY_PV}-gfortran llvm-gfortran
# Fix install_names on Darwin. The build system is too complicated
# to just fix this, so we correct it post-install
if [[ ${CHOST} == *-darwin* ]] ; then
local f=$(echo "${ED}"usr/$(get_libdir)/${PN}-${MY_PV}/lib/gcc/${CHOST}/${LLVM_GCC_VERSION}*/libstdc++.dylib)
install_name_tool -id "/${f#${D}}" "${f}"
fi
}
gcc_do_filter_flags() {
strip-flags
# In general gcc does not like optimization, and add -O2 where
# it is safe. This is especially true for gcc 3.3 + 3.4
replace-flags -O? -O2
# ... sure, why not?
strip-unsupported-flags
# dont want to funk ourselves
filter-flags '-mabi*' -m31 -m32 -m64
filter-flags '-mcpu=*'
}
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