sci-libs/magma: add commented code for waebbl

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

sci-libs/magma/magma-2.6.2-r1.ebuild

@@ -0,0 +1,138 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+FORTRAN_STANDARD="77 90"
+PYTHON_COMPAT=( python3_{8..11} )
+
+inherit cmake fortran-2 python-any-r1 toolchain-funcs
+
+MY_PV=$(ver_rs 3 '-')
+
+DESCRIPTION="Matrix Algebra on GPU and Multicore Architectures"
+HOMEPAGE="
+	https://icl.cs.utk.edu/magma/
+	https://bitbucket.org/icl/magma
+"
+SRC_URI="https://icl.cs.utk.edu/projectsfiles/${PN}/downloads/${PN}-${MY_PV}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE_AMDGPU="
+	amdgpu_gfx600 amdgpu_gfx601 amdgpu_gfx602
+	amdgpu_gfx700 amdgpu_gfx701 amdgpu_gfx702 amdgpu_gfx703 amdgpu_gfx704 amdgpu_gfx705
+	amdgpu_gfx801 amdgpu_gfx802 amdgpu_gfx803 amdgpu_gfx805 amdgpu_gfx810
+	amdgpu_gfx900 amdgpu_gfx902 amdgpu_gfx904 amdgpu_gfx906 amdgpu_gfx908 amdgpu_gfx909 amdgpu_gfx90a amdgpu_gfx90c amdgpu_gfx940
+	amdgpu_gfx1010 amdgpu_gfx1011 amdgpu_gfx1012 amdgpu_gfx1013 amdgpu_gfx1030 amdgpu_gfx1031 amdgpu_gfx1032 amdgpu_gfx1033 amdgpu_gfx1034 amdgpu_gfx1035 amdgpu_gfx1036
+	amdgpu_gfx1100 amdgpu_gfx1101 amdgpu_gfx1102 amdgpu_gfx1103
+"
+IUSE="doc openblas test ${IUSE_AMDGPU}"
+#IUSE="doc cuda hip openblas test ${IUSE_AMDGPU}"
+
+# TODO: do not enforce openblas
+RDEPEND="
+	openblas? ( sci-libs/openblas )
+	!openblas? (
+		virtual/blas
+		virtual/lapack
+	)
+"
+DEPEND="
+	${RDEPEND}
+	${PYTHON_DEPS}
+	dev-util/hip
+"
+#	hip? ( dev-util/hip )
+BDEPEND="
+	virtual/pkgconfig
+	doc? ( >=app-doc/doxygen-1.8.14-r1[dot] )
+"
+
+REQUIRED_USE="
+	|| ( ${IUSE_AMDGPU/+/} )
+"
+#	^^ ( cuda hip )
+RESTRICT="!test? ( test )"
+
+pkg_setup() {
+	fortran-2_pkg_setup
+	python-any-r1_pkg_setup
+	tc-check-openmp || die "Need OpenMP to compile ${P}"
+}
+
+src_prepare() {
+	rm -r blas_fix || die
+	# distributed pc file not so useful so replace it
+	cat <<-EOF > ${PN}.pc
+		prefix=${EPREFIX}/usr
+		libdir=\${prefix}/$(get_libdir)
+		includedir=\${prefix}/include/${PN}
+		Name: ${PN}
+		Description: ${DESCRIPTION}
+		Version: ${PV}
+		URL: ${HOMEPAGE}
+		Libs: -L\${libdir} -lmagma
+		Libs.private: -lm -lpthread -ldl
+		Cflags: -I\${includedir}
+		Requires: $(usex openblas "openblas" "blas lapack")
+	EOF
+
+	#use cuda && echo -e 'BACKEND = cuda' > make.inc
+	#use hip && echo -e 'BACKEND = hip' > make.inc
+	echo -e 'BACKEND = hip' > make.inc
+	echo -e 'FORT = true' >> make.inc
+	emake generate
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	# other options: Intel10_64lp, Intel10_64lp_seq, Intel10_64ilp, Intel10_64ilp_seq, Intel10_32, FLAME, ACML, Apple, NAS
+	local blasvendor="Generic"
+	use openblas && blasvendor="OpenBLAS"
+
+	local gpu=""
+	#if use hip ; then
+		for u in ${IUSE_AMDGPU} ; do
+			if use ${u} ; then
+				gpu="${gpu},${u/amdgpu_/}"
+			fi
+		done
+	#fi
+	# remove first character (,)
+	gpu="${gpu:1}"
+
+	local mycmakeargs=(
+		-DBUILD_SHARED_LIBS=ON
+		-DCMAKE_CXX_COMPILER=hipcc
+		-DMAGMA_ENABLE_CUDA=OFF
+		-DMAGMA_ENABLE_HIP=ON
+		-DUSE_FORTRAN=ON
+
+		-DBLA_VENDOR=${blasvendor}
+		-DGPU_TARGET=${gpu}
+	)
+	#	-DMAGMA_ENABLE_CUDA=$(usex cuda)
+	#	-DMAGMA_ENABLE_HIP=$(usex hip)
+
+	#use fortran || mycmakeargs+=( "-DFORTRAN_CONVENTION=-DADD_"
+	#use hip && mycmakeargs+=( "-DCMAKE_CXX_COMPILER=hipcc" )
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+}
+
+src_install() {
+	cmake_src_install
+	insinto "/usr/include/${PN}"
+	doins include/*.h
+	insinto "/usr/$(get_libdir)/pkgconfig"
+	doins "${PN}.pc"
+	local DOCS=( README ReleaseNotes )
+	use doc && local HTML_DOCS=( docs/html/. )
+	einstalldocs
+}