sci-libs/blas-reference: fix eselect blas alternative, bug #595102

  Also set the libblas.so.3 symlink.

Package-Manager: portage-2.2.28

1 files changed, 93 insertions, 0 deletions

diff --git a/sci-libs/blas-reference/blas-reference-20151113-r1.ebuild b/sci-libs/blas-reference/blas-reference-20151113-r1.ebuild
new file mode 100644
index 000000000000..d5c4ac3829a5
--- /dev/null
+++ b/sci-libs/blas-reference/blas-reference-20151113-r1.ebuild
@@ -0,0 +1,93 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit eutils fortran-2 cmake-utils multilib flag-o-matic toolchain-funcs
+
+LPN=lapack
+LPV=3.6.0
+
+DESCRIPTION="Basic Linear Algebra Subprograms F77 reference implementations"
+HOMEPAGE="http://www.netlib.org/blas/"
+SRC_URI="http://www.netlib.org/${LPN}/${LPN}-${LPV}.tgz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~x86-freebsd ~amd64-linux ~ia64-linux ~x86-linux ~ppc-macos ~x64-macos"
+IUSE="doc"
+
+DEPEND="app-eselect/eselect-blas"
+RDEPEND="${DEPEND}
+	doc? ( app-doc/blas-docs )
+	virtual/pkgconfig"
+
+S="${WORKDIR}/${LPN}-${LPV}"
+PATCHES=( "${FILESDIR}/lapack-fix-build-system.patch" )
+
+src_prepare() {
+	epatch "${PATCHES[@]}"
+
+	eapply_user
+
+	ESELECT_PROF=reference
+
+	cp "${FILESDIR}"/eselect.blas.reference-r1 "${T}"/eselect.blas.reference || die
+	sed -i -e "s:/usr:${EPREFIX}/usr:" "${T}"/eselect.blas.reference || die
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
+			"${T}"/eselect.blas.reference || die
+	fi
+}
+
+src_configure() {
+	local FCFLAGS="${FCFLAGS}"
+	append-fflags $($(tc-getPKG_CONFIG) --cflags ${blas_profname})
+	append-fflags $(get_abi_CFLAGS)
+	append-fflags $(numeric-int64_get_fortran_int64_abi_fflags)
+
+	local mycmakeargs=(
+		-Wno-dev
+		-DUSE_OPTIMIZED_BLAS=OFF
+		-DCMAKE_Fortran_FLAGS="${FCFLAGS}"
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_STATIC_LIBS=ON
+	)
+
+	cmake-utils_src_configure
+}
+
+src_compile() {
+	local each target_dirs=( BLAS )
+	for each in ${target_dirs[@]}; do
+		cmake-utils_src_compile -C ${each}
+	done
+}
+
+src_install() {
+	cmake-utils_src_install -C BLAS
+
+	mkdir -p "${ED}/usr/$(get_libdir)/blas/reference" || die
+	mv "${ED}/usr/$(get_libdir)"/lib* "${ED}/usr/$(get_libdir)/pkgconfig"/* \
+		"${ED}/usr/$(get_libdir)/blas/reference" || die
+	rmdir "${ED}/usr/$(get_libdir)/pkgconfig" || die
+
+	eselect blas add $(get_libdir) "${T}"/eselect.blas.reference ${ESELECT_PROF}
+}
+
+pkg_postinst() {
+	local p=blas
+	local current_lib=$(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
+}