sci-libs/lapack: readd deprecated functions.

Reported-By: leoricupero@gmail.com
Closes: https://bugs.gentoo.org/702254
Closes: https://github.com/gentoo/gentoo/pull/14803
Package-Manager: Portage-2.3.89, Repoman-2.3.20
Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>
Signed-off-by: Benda Xu <heroxbd@gentoo.org>

2 files changed, 93 insertions, 0 deletions

diff --git a/sci-libs/lapack/lapack-3.8.0-r1.ebuild b/sci-libs/lapack/lapack-3.8.0-r1.ebuild
new file mode 100644
index 000000000000..bf8ffd460297
--- /dev/null
+++ b/sci-libs/lapack/lapack-3.8.0-r1.ebuild
@@ -0,0 +1,92 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+CMAKE_MAKEFILE_GENERATOR=emake
+inherit cmake-utils
+
+DESCRIPTION="BLAS,CBLAS,LAPACK,LAPACKE reference implementations"
+HOMEPAGE="http://www.netlib.org/lapack/"
+SRC_URI="http://www.netlib.org/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
+IUSE="lapacke deprecated doc eselect-ldso"
+# TODO: static-libs 64bit-index
+
+RDEPEND="
+	eselect-ldso? ( >=app-eselect/eselect-blas-0.2
+	>=app-eselect/eselect-lapack-0.2 )
+	!app-eselect/eselect-cblas
+	!sci-libs/blas-reference
+	!sci-libs/cblas-reference
+	!sci-libs/lapack-reference
+	!sci-libs/lapacke-reference
+	virtual/fortran
+	doc? ( app-doc/blas-docs )"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig"
+
+src_configure() {
+	local mycmakeargs=(
+		-DCBLAS=ON
+		-DLAPACKE=$(usex lapacke)
+		-DBUILD_DEPRECATED=$(usex deprecated)
+		-DBUILD_SHARED_LIBS=ON
+	)
+	cmake-utils_src_configure
+}
+
+src_install() {
+	cmake-utils_src_install
+
+	use eselect-ldso || return
+	# Create private lib directory for eselect::blas (ld.so.conf)
+	dodir /usr/$(get_libdir)/blas/reference
+	dosym ../../libblas.so usr/$(get_libdir)/blas/reference/libblas.so
+	dosym ../../libblas.so.3 usr/$(get_libdir)/blas/reference/libblas.so.3
+	dosym ../../libcblas.so usr/$(get_libdir)/blas/reference/libcblas.so
+	dosym ../../libcblas.so.3 usr/$(get_libdir)/blas/reference/libcblas.so.3
+
+	# Create private lib directory for eselect::lapack (ld.so.conf)
+	dodir /usr/$(get_libdir)/lapack/reference
+	dosym ../../liblapack.so usr/$(get_libdir)/lapack/reference/liblapack.so
+	dosym ../../liblapack.so.3 usr/$(get_libdir)/lapack/reference/liblapack.so.3
+}
+
+pkg_postinst() {
+	use eselect-ldso || return
+
+	local me=reference libdir=$(get_libdir)
+	# check eselect-blas
+	eselect blas add ${libdir} "${EROOT}"/usr/${libdir}/blas/${me} ${me}
+	local current_blas=$(eselect blas show ${libdir} | cut -d' ' -f2)
+	if [[ ${current_blas} == ${me} || -z ${current_blas} ]]; then
+		eselect blas set ${libdir} ${me}
+		elog "Current eselect: BLAS ($libdir) -> [${current_blas}]."
+	else
+		elog "Current eselect: BLAS ($libdir) -> [${current_blas}]."
+		elog "To use blas [${me}] implementation, you have to issue (as root):"
+		elog "\t eselect blas set ${libdir} ${me}"
+	fi
+
+	# check eselect-lapack
+	eselect lapack add ${libdir} "${EROOT}"/usr/${libdir}/lapack/${me} ${me}
+	local current_lapack=$(eselect lapack show ${libdir} | cut -d' ' -f2)
+	if [[ ${current_lapack} == ${me} || -z ${current_lapack} ]]; then
+		eselect lapack set ${libdir} ${me}
+		elog "Current eselect: LAPACK ($libdir) -> [${current_lapack}]."
+	else
+		elog "Current eselect: LAPACK ($libdir) -> [${current_lapack}]."
+		elog "To use lapack [${me}] implementation, you have to issue (as root):"
+		elog "\t eselect lapack set ${libdir} ${me}"
+	fi
+}
+
+pkg_postrm() {
+	use eselect-ldso || return
+
+	eselect blas validate
+	eselect lapack validate
+}
diff --git a/sci-libs/lapack/metadata.xml b/sci-libs/lapack/metadata.xml
index adc276993c4f..e4cd26e0166e 100644
--- a/sci-libs/lapack/metadata.xml
+++ b/sci-libs/lapack/metadata.xml
@@ -23,6 +23,7 @@ that has found extensive use in the scientific community.
 This package installs the reference FORTRAN 77 implementation from Netlib.
   </longdescription>
   <use>
+    <flag name="deprecated">Also build deprecated functions</flag>
     <flag name="lapacke">Build LAPACKE</flag>
     <flag name="eselect-ldso">Enable runtime library switching by
     eselect and ld.so.</flag>