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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit alternatives-2 autotools multilib-build numeric toolchain-funcs
DESCRIPTION="GNU Scientific Library"
HOMEPAGE="http://www.gnu.org/software/gsl/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
LICENSE="GPL-3"
SLOT="0/19"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="cblas-external static-libs"
RDEPEND="cblas-external? ( >=virtual/cblas-2.0-r3[${MULTILIB_USEDEP}] )"
DEPEND="${RDEPEND}
>=virtual/pkgconfig-0-r1[${MULTILIB_USEDEP}]"
PATCHES=( "${FILESDIR}"/${P}-cblas-external.patch )
src_prepare() {
default
eautoreconf
multilib_copy_sources
}
src_configure() {
gsl_configure() {
cd "${BUILD_DIR}"
if use cblas-external; then
export CBLAS_LIBS="$($(tc-getPKG_CONFIG) --libs cblas)"
export CBLAS_CFLAGS="$($(tc-getPKG_CONFIG) --cflags cblas)"
fi
econf $(use_with cblas-external)
}
multilib_foreach_abi gsl_configure
}
src_compile() {
gsl_compile() {
cd "${BUILD_DIR}"
default
}
multilib_foreach_abi gsl_compile
}
src_test() {
gsl_test() {
cd "${BUILD_DIR}"
default
}
multilib_foreach_abi gsl_test
}
src_install() {
gsl_install() {
cd "${BUILD_DIR}"
local libname=gslcblas
create_pkgconfig \
--name "${libname}" \
--description "${PN} CBLAS implementation" \
--libs "-l${libname}" \
--libs-private "-lm" \
--cflags "-I\${includedir}/${PN}" \
--version "${PV}" \
--url "${HOMEPAGE}" \
"${libname}"
GSL_ALTERNATIVES+=( /usr/$(get_libdir)/pkgconfig/cblas.pc ${libname}.pc )
default
}
multilib_foreach_abi gsl_install
# Don't add gsl as a cblas alternative if using cblas-external
use cblas-external || alternatives_for cblas gsl 0 \
${GSL_ALTERNATIVES[@]} \
/usr/include/cblas.h gsl/gsl_cblas.h
}
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