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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 flag-o-matic multilib toolchain-funcs
MyPN="${PN/-reference/}"
PATCH_V="3.2.1"
DESCRIPTION="FORTRAN reference implementation of LAPACK Linear Algebra PACKage"
HOMEPAGE="http://www.netlib.org/lapack/index.html"
SRC_URI="
mirror://gentoo/${MyPN}-${PV}.tgz
mirror://gentoo/${PN}-${PATCH_V}-autotools.patch.bz2"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ppc ppc64 s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
IUSE="doc"
RDEPEND="
app-eselect/eselect-lapack
virtual/blas"
DEPEND="
${RDEPEND}
virtual/pkgconfig
doc? ( app-doc/lapack-docs )"
S="${WORKDIR}/${MyPN}-${PV}"
pkg_setup() {
fortran-2_pkg_setup
if [[ $(tc-getFC) =~ if ]]; then
ewarn "Using Intel Fortran at your own risk"
export LDFLAGS="$(raw-ldflags)"
export NOOPT_FFLAGS=-O
fi
ESELECT_PROF=reference
}
src_prepare() {
epatch \
"${WORKDIR}"/${PN}-${PATCH_V}-autotools.patch \
"${FILESDIR}"/${P}-parallel-make.patch
eautoreconf
# set up the testing routines
sed \
-e "s:g77:$(tc-getFC):" \
-e "s:-funroll-all-loops -O3:${FFLAGS} $($(tc-getPKG_CONFIG) --cflags blas):" \
-e "s:LOADOPTS =:LOADOPTS = ${LDFLAGS} $($(tc-getPKG_CONFIG) --cflags blas):" \
-e "s:../../blas\$(PLAT).a:$($(tc-getPKG_CONFIG) --libs blas):" \
-e "s:lapack\$(PLAT).a:SRC/.libs/liblapack.a:" \
make.inc.example > make.inc \
|| die "Failed to set up make.inc"
cp "${FILESDIR}"/eselect.lapack.reference "${T}"/eselect.lapack.reference || die
sed -i -e "s:/usr:${EPREFIX}/usr:" "${T}"/eselect.lapack.reference || die
if [[ ${CHOST} == *-darwin* ]] ; then
sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
"${T}"/eselect.lapack.reference || die
fi
sed \
-e '/Libs:/s|: |: -L${libdir} |g' \
-i lapack.pc.in || die
}
src_configure() {
econf \
--libdir="${EPREFIX}/usr/$(get_libdir)/lapack/reference" \
--with-blas="$($(tc-getPKG_CONFIG) --libs blas)"
}
src_install() {
default
eselect lapack add $(get_libdir) "${T}"/eselect.lapack.reference ${ESELECT_PROF}
}
src_test() {
MAKEOPTS+=" -j1"
cd "${S}"/TESTING/MATGEN && emake
cd "${S}"/TESTING && emake
}
pkg_postinst() {
local p=lapack
local current_lib=$(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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