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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit autotools eutils fortran-2 multilib toolchain-funcs
MyPN="${PN/-reference/}"
DESCRIPTION="C wrapper interface to the F77 reference BLAS implementation"
HOMEPAGE="http://www.netlib.org/blas/"
SRC_URI="http://www.netlib.org/blas/blast-forum/${MyPN}.tgz"
SLOT="0"
LICENSE="public-domain"
IUSE=""
KEYWORDS="~alpha amd64 hppa ppc ppc64 s390 sparc x86 ~amd64-linux ~x86-linux ~x64-macos"
RDEPEND="
virtual/blas
app-eselect/eselect-cblas"
DEPEND="${RDEPEND}
virtual/pkgconfig"
ESELECT_PROF=reference
S="${WORKDIR}/CBLAS"
src_prepare() {
epatch "${FILESDIR}"/${P}-autotool.patch
eautoreconf
cp "${FILESDIR}"/eselect.cblas.reference "${T}"/ || die
sed -i -e "s:/usr:${EPREFIX}/usr:" "${T}"/eselect.cblas.reference || die
if [[ ${CHOST} == *-darwin* ]] ; then
sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
"${T}"/eselect.cblas.reference || die
fi
}
src_configure() {
econf \
--libdir="${EPREFIX}"/usr/$(get_libdir)/blas/reference \
--with-blas="$($(tc-getPKG_CONFIG) --libs blas)"
}
src_install() {
default
dodoc cblas_example*c
eselect cblas add $(get_libdir) "${T}"/eselect.cblas.reference ${ESELECT_PROF}
}
pkg_postinst() {
local p=cblas
local current_lib=$(eselect ${p} show | cut -d' ' -f2)
if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
# work around eselect bug #189942
local configfile="${EROOT}"/etc/env.d/${p}/$(get_libdir)/config
[[ -e ${configfile} ]] && rm -f ${configfile}
eselect ${p} set ${ESELECT_PROF}
elog "${p} has been eselected to ${ESELECT_PROF}"
else
elog "Current eselected ${p} is ${current_lib}"
elog "To use ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
elog "\t eselect ${p} set ${ESELECT_PROF}"
fi
}
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