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gentoo-overlay/sys-devel/dragonegg/dragonegg-3.2.ebuild

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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/dragonegg/dragonegg-3.2.ebuild,v 1.1 2012/12/21 09:18:50 voyageur Exp $
EAPI=5
inherit multilib toolchain-funcs
DESCRIPTION="GCC plugin that uses LLVM for optimization and code generation"
HOMEPAGE="http://dragonegg.llvm.org/"
SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.gz
test? ( http://llvm.org/releases/${PV}/llvm-${PV}.src.tar.gz )"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux"
IUSE="test"
DEPEND="|| ( sys-devel/gcc:4.5[lto]
>=sys-devel/gcc-4.6 )
~sys-devel/llvm-${PV}"
RDEPEND="${DEPEND}"
S=${WORKDIR}/${P}.src
src_compile() {
# GCC: compiler to use plugin with
emake CC="$(tc-getCC)" GCC="$(tc-getCC)" CXX="$(tc-getCXX)" VERBOSE=1
}
src_test() {
# GCC languages are determined via locale-dependant gcc -v output
export LC_ALL=C
emake LIT_DIR="${WORKDIR}"/llvm-${PV}.src/utils/lit check
}
src_install() {
# Install plugin in llvm lib directory
exeinto /usr/$(get_libdir)/llvm
doexe dragonegg.so
dodoc README
}
pkg_postinst() {
elog "To use dragonegg, run gcc as usual, with an extra command line argument:"
elog " -fplugin=/usr/$(get_libdir)/llvm/dragonegg.so"
elog "If you change the active gcc profile, or update gcc to a new version,"
elog "you will have to remerge this package to update the plugin"
}