sci-libs/mumps: add gcc 10 workaround

Closes: https://bugs.gentoo.org/743442
Package-Manager: Portage-3.0.12, Repoman-3.0.2
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 206 insertions, 0 deletions

diff --git a/sci-libs/mumps/Manifest b/sci-libs/mumps/Manifest
index d914fe1d94c4..ef756342a87e 100644
--- a/sci-libs/mumps/Manifest
+++ b/sci-libs/mumps/Manifest
@@ -1,2 +1,3 @@
 DIST MUMPS_5.1.2.tar.gz 3351215 BLAKE2B 1c77c2a217c101245a9a96a59be6b9bfd67ceffa603d807b5a7173026c5c33e2c4de78c14833d7b7f0a90130b9ebc0ac9c7d4ebfbf881d0bd2210a542887c239 SHA512 38a63b14a8df835be68b5fa310b39aa1815799220d56c176e4005797800959e9e08c9a6bf11d308ab82ea40b6f34d36072cebe7c1de39e0c314eb138b93f1b74
 DIST MUMPS_5.3.3.tar.gz 3912935 BLAKE2B 03b88e23b8dd49832c43aef4717edd440328ca7c63eed9005a6baa008090f63089e7a259fb8091ce462e249196c2a1de0ec1e864173e3ecc3265d5a9cef8b869 SHA512 fb2da6acfd0a413ed5a9b2ea346a191ecea4a057f26a8c3b8ed2400843753a354055eb911e53d9f6ed5a6818e653ab926579c1a4a261b791c5ae421fcd5a7945
+DIST MUMPS_5.3.5.tar.gz 3940501 BLAKE2B f1767483bb23744a2c5ed11b0823c5b023377d5212abbe29a177cce5b5e51e6f2f391d7caa17022646e36c9e4b4fb4af80b03ac6cf8e89f37502ed960138bbbe SHA512 6e3bb081f38af8540ada7b4fb54c6e766739c854e2a3dd253e3e012eee05dae30064b1b4a8d7493f10691725aba4cc9e80544b0fe5b71670cb0b2726ccfc4439
diff --git a/sci-libs/mumps/mumps-5.3.5.ebuild b/sci-libs/mumps/mumps-5.3.5.ebuild
new file mode 100644
index 000000000000..d88be408e3f3
--- /dev/null
+++ b/sci-libs/mumps/mumps-5.3.5.ebuild
@@ -0,0 +1,205 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit fortran-2 flag-o-matic toolchain-funcs
+
+MYP=MUMPS_${PV}
+
+DESCRIPTION="MUltifrontal Massively Parallel sparse direct matrix Solver"
+HOMEPAGE="http://mumps.enseeiht.fr/"
+SRC_URI="http://mumps.enseeiht.fr/${MYP}.tar.gz"
+S="${WORKDIR}/${MYP}"
+
+LICENSE="public-domain"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc examples metis mpi +scotch static-libs"
+
+BDEPEND="virtual/pkgconfig"
+RDEPEND="
+	virtual/blas
+	metis? (
+		   || ( >=sci-libs/metis-5 >=sci-libs/parmetis-4 )
+		   mpi? ( >=sci-libs/parmetis-4 )
+	)
+	mpi? ( sci-libs/scalapack )
+	scotch? ( >=sci-libs/scotch-6.0.1:=[mpi=] )
+"
+DEPEND="${RDEPEND}"
+
+get_version_component_count() {
+	local cnt=( $(ver_rs 1- ' ') )
+	echo ${#cnt[@]} || die
+}
+
+static_to_shared() {
+	local libstatic=${1}
+	shift
+	local libname=$(basename ${libstatic%.a})
+	local soname=${libname}$(get_libname $(ver_cut 1-2))
+	local libdir=$(dirname ${libstatic})
+
+	einfo "Making ${soname} from ${libstatic}"
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		${LINK:-$(tc-getCC)} ${LDFLAGS}  \
+			-dynamiclib -install_name "${EPREFIX}"/usr/lib/"${soname}" \
+			-Wl,-all_load -Wl,${libstatic} \
+			"$@" -o ${libdir}/${soname} || die "${soname} failed"
+	else
+		${LINK:-$(tc-getCC)} ${LDFLAGS}  \
+			-shared -Wl,-soname=${soname} \
+			-Wl,--whole-archive ${libstatic} -Wl,--no-whole-archive \
+			"$@" -o ${libdir}/${soname} || die "${soname} failed"
+
+		if [[ $(get_version_component_count) -ge 1 ]] ; then
+			ln -s ${soname} ${libdir}/${libname}$(get_libname $(ver_cut 1)) || die
+		fi
+
+		ln -s ${soname} ${libdir}/${libname}$(get_libname) || die
+	fi
+}
+
+src_prepare() {
+	# workaround for gcc10 (bug #743442)
+	append-fflags $(test-flags-FC -fallow-argument-mismatch)
+
+	sed -e "s;^\(CC\s*=\).*;\1$(tc-getCC);" \
+		-e "s;^\(FC\s*=\).*;\1$(tc-getFC);" \
+		-e "s;^\(FL\s*=\).*;\1$(tc-getFC);" \
+		-e "s;^\(AR\s*=\).*;\1$(tc-getAR) cr ;" \
+		-e "s;^\(RANLIB\s*=\).*;\1$(tc-getRANLIB);" \
+		-e "s;^\(LIBBLAS\s*=\).*;\1$($(tc-getPKG_CONFIG) --libs blas);" \
+		-e "s;^\(INCPAR\s*=\).*;\1;" \
+		-e 's;^\(LIBPAR\s*=\).*;\1$(SCALAP);' \
+		-e "s;^\(OPTF\s*=\).*;\1${FFLAGS} -DALLOW_NON_INIT \$(PIC);" \
+		-e "s;^\(OPTC\s*=\).*;\1${CFLAGS} \$(PIC);" \
+		-e "s;^\(OPTL\s*=\).*;\1${LDFLAGS};" \
+		Make.inc/Makefile.inc.generic > Makefile.inc || die
+	# fixed a missing copy of libseq to libdir
+
+	default
+}
+
+src_configure() {
+	LIBADD="$($(tc-getPKG_CONFIG) --libs blas) -Llib -lpord"
+	local ord="-Dpord"
+
+	if use metis && use mpi; then
+		sed -i \
+			-e "s;#\s*\(LMETIS\s*=\).*;\1$($(tc-getPKG_CONFIG) --libs parmetis);" \
+			-e "s;#\s*\(IMETIS\s*=\).*;\1$($(tc-getPKG_CONFIG) --cflags parmetis);" \
+			Makefile.inc || die
+		LIBADD="${LIBADD} $($(tc-getPKG_CONFIG) --libs parmetis)"
+		ord="${ord} -Dparmetis"
+	elif use metis; then
+		sed -i \
+			-e "s;#\s*\(LMETIS\s*=\).*;\1$($(tc-getPKG_CONFIG) --libs metis);" \
+			-e "s;#\s*\(IMETIS\s*=\).*;\1$($(tc-getPKG_CONFIG) --cflags metis);" \
+			Makefile.inc || die
+		LIBADD="${LIBADD} $($(tc-getPKG_CONFIG) --libs metis)"
+		ord="${ord} -Dmetis"
+	fi
+	if use scotch && use mpi; then
+		sed -i \
+			-e "s;#\s*\(LSCOTCH\s*=\).*;\1-lptesmumps -lptscotch -lptscotcherr;" \
+			-e "s;#\s*\(ISCOTCH\s*=\).*;\1-I${ESYSROOT}/usr/include/scotch;" \
+			Makefile.inc || die
+		LIBADD="${LIBADD} -lptesmumps -lptscotch -lptscotcherr"
+		ord="${ord} -Dptscotch"
+	elif use scotch; then
+		sed -i \
+			-e "s;#\s*\(LSCOTCH\s*=\).*;\1-lesmumps -lscotch -lscotcherr;" \
+			-e "s;#\s*\(ISCOTCH\s*=\).*;\1-I${ESYSROOT}/usr/include/scotch;" \
+			Makefile.inc || die
+		LIBADD="${LIBADD} -lesmumps -lscotch -lscotcherr"
+		ord="${ord} -Dscotch"
+	fi
+	if use mpi; then
+		sed -i \
+			-e "s;^\(CC\s*=\).*;\1mpicc;" \
+			-e "s;^\(FC\s*=\).*;\1mpif90;" \
+			-e "s;^\(FL\s*=\).*;\1mpif90;" \
+			-e "s;^\(SCALAP\s*=\).*;\1$($(tc-getPKG_CONFIG) --libs scalapack);" \
+			Makefile.inc || die
+		export LINK=mpif90
+		LIBADD="${LIBADD} $($(tc-getPKG_CONFIG) --libs scalapack)"
+	else
+		sed -i \
+			-e 's;-Llibseq;-L$(topdir)/libseq;' \
+			-e 's;PAR);SEQ);g' \
+			-e "s;^\(SCALAP\s*=\).*;\1;" \
+			-e 's;^LIBSEQNEEDED =;LIBSEQNEEDED = libseqneeded;g' \
+			Makefile.inc || die
+		export LINK="$(tc-getFC)"
+	fi
+	sed -i -e "s;^\s*\(ORDERINGSF\s*=\).*;\1 ${ord};" Makefile.inc || die
+}
+
+src_compile() {
+	# Workaround #462602
+	export FAKEROOTKEY=1
+
+	# -j1 because of static archive race
+	emake -j1 alllib PIC="-fPIC"
+	if ! use mpi; then
+		#$(tc-getAR) crs lib/libmumps_common.a libseq/*.o || die
+		LIBADD+=" -Llibseq -lmpiseq"
+		static_to_shared libseq/libmpiseq.a
+	fi
+
+	static_to_shared lib/libpord.a ${LIBADD}
+	static_to_shared lib/libmumps_common.a ${LIBADD}
+
+	local i
+	for i in c d s z; do
+		static_to_shared lib/lib${i}mumps.a -Llib -lmumps_common ${LIBADD}
+	done
+
+	if use static-libs; then
+		emake clean
+		emake -j1 alllib
+	fi
+}
+
+src_test() {
+	emake all
+
+	local dotest
+	if use mpi; then
+		dotest="mpirun -np 2"
+	else
+		export LD_LIBRARY_PATH="${S}/libseq:${LD_LIBRARY_PATH}"
+	fi
+
+	cd examples
+	${dotest} ./ssimpletest < input_simpletest_real || die
+	${dotest} ./dsimpletest < input_simpletest_real || die
+	${dotest} ./csimpletest < input_simpletest_cmplx || die
+	${dotest} ./zsimpletest < input_simpletest_cmplx || die
+	einfo "The solutions should be close to (1,2,3,4,5)"
+	${dotest} ./c_example || die
+	einfo "The solution should be close to (1,2)"
+	emake clean
+}
+
+src_install() {
+	dolib.so lib/lib*$(get_libname)*
+	use static-libs && dolib.a lib/lib*.a
+	insinto /usr
+
+	doins -r include
+	if ! use mpi; then
+		dolib.so libseq/lib*$(get_libname)*
+		insinto /usr/include/mpiseq
+		doins libseq/*.h
+		use static-libs && dolib.a libseq/libmpiseq.a
+	fi
+
+	dodoc README ChangeLog VERSION
+	use doc && dodoc doc/*.pdf
+	if use examples; then
+		dodoc -r examples
+	fi
+}