1 files changed, 84 insertions, 0 deletions
diff --git a/sci-libs/scalapack/scalapack-2.1.0-r1.ebuild b/sci-libs/scalapack/scalapack-2.1.0-r1.ebuild
new file mode 100644
index 000000000000..192ee312b7ca
--- /dev/null
+++ b/sci-libs/scalapack/scalapack-2.1.0-r1.ebuild
@@ -0,0 +1,84 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake flag-o-matic fortran-2 toolchain-funcs
+
+GCC10_PATCH_HASH="bc6cad585362aa58e05186bb85d4b619080c45a9"
+
+DESCRIPTION="Subset of LAPACK routines redesigned for heterogenous (MPI) computing"
+HOMEPAGE="https://www.netlib.org/scalapack/"
+SRC_URI="
+	https://www.netlib.org/scalapack/${P}.tgz
+	https://github.com/Reference-ScaLAPACK/scalapack/commit/${GCC10_PATCH_HASH}.patch -> ${P}-gcc10.patch
+	"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~riscv ~x86 ~amd64-linux ~x86-linux"
+IUSE="static-libs test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="virtual/pkgconfig"
+RDEPEND="
+	virtual/lapack
+	virtual/mpi[fortran]
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=( "${DISTDIR}/${P}-gcc10.patch" )
+
+src_prepare() {
+	cmake_src_prepare
+
+	if use static-libs; then
+		mkdir "${WORKDIR}/${PN}_static" || die
+	fi
+	# mpi does not have a pc file
+	sed -i -e 's/mpi//' scalapack.pc.in || die
+}
+
+src_configure() {
+	# -Werror=strict-aliasing
+	# https://bugs.gentoo.org/862924
+	# https://github.com/Reference-ScaLAPACK/scalapack/issues/95
+	#
+	# Do not trust it for LTO either.
+	append-flags -fno-strict-aliasing
+	filter-lto
+
+	scalapack_configure() {
+		local mycmakeargs=(
+			-DUSE_OPTIMIZED_LAPACK_BLAS=ON
+			-DBLAS_LIBRARIES="$($(tc-getPKG_CONFIG) --libs blas)"
+			-DLAPACK_LIBRARIES="$($(tc-getPKG_CONFIG) --libs lapack)"
+			-DBUILD_TESTING=$(usex test)
+			$@
+		)
+		cmake_src_configure
+	}
+
+	scalapack_configure -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF
+	use static-libs && \
+		CMAKE_BUILD_DIR="${WORKDIR}/${PN}_static" scalapack_configure \
+		-DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON
+}
+
+src_compile() {
+	cmake_src_compile
+	use static-libs && \
+		CMAKE_BUILD_DIR="${WORKDIR}/${PN}_static" cmake_src_compile
+}
+
+src_install() {
+	cmake_src_install
+	use static-libs && \
+		CMAKE_BUILD_DIR="${WORKDIR}/${PN}_static" cmake_src_install
+
+	insinto /usr/include/blacs
+	doins BLACS/SRC/*.h
+
+	insinto /usr/include/scalapack
+	doins PBLAS/SRC/*.h
+}