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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
inherit eutils 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.xz
test? ( http://llvm.org/releases/${PV}/llvm-${PV}.src.tar.xz )"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux"
IUSE="test"
DEPEND=">=sys-devel/gcc-4.5:*
=sys-devel/llvm-${PV}*"
RDEPEND="${DEPEND}"
S=${WORKDIR}/${P}.src
pkg_pretend() {
# Bug #511640: gcc 4.9 removed a required header
if [[ ${MERGE_TYPE} != binary ]]; then
[[ $(gcc-version) > 4.8 || $(gcc-version) < 4.5 ]] && \
die 'The active compiler needs to be gcc 4.[5-8])'
fi
}
src_compile() {
# GCC: compiler to use plugin with
emake CC="$(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() {
exeinto /usr/$(get_libdir)
doexe dragonegg.so
dodoc README
}
pkg_postinst() {
elog "To use dragonegg, run gcc as usual, with an extra command line argument:"
elog " -fplugin=/usr/$(get_libdir)/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"
}
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