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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
AUTOTOOLS_AUTORECONF=1
MULTILIB_COMPAT=( abi_x86_{32,64} )
inherit alternatives-2 autotools-multilib eutils 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"
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}"/${P}-cblas-external.patch )
src_configure() {
if use cblas-external; then
export CBLAS_LIBS="$($(tc-getPKG_CONFIG) --libs cblas)"
export CBLAS_CFLAGS="$($(tc-getPKG_CONFIG) --cflags cblas)"
fi
local myeconfargs=(
$(use_with cblas-external)
)
autotools-multilib_src_configure
}
multilib_src_install() {
autotools-utils_src_install
local libname=gslcblas
cat <<-EOF > ${libname}.pc
prefix=${EPREFIX}/usr
libdir=\${prefix}/$(get_libdir)
includedir=\${prefix}/include
Name: ${libname}
Description: ${DESCRIPTION} CBLAS implementation
Version: ${PV}
URL: ${HOMEPAGE}
Libs: -L\${libdir} -l${libname}
Libs.private: -lm
Cflags: -I\${includedir}
EOF
insinto /usr/$(get_libdir)/pkgconfig
doins ${libname}.pc
GSL_ALTERNATIVES+=( /usr/$(get_libdir)/pkgconfig/cblas.pc ${libname}.pc )
}
multilib_src_install_all() {
# 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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