sci-libs/openblas: add 0.3.23

All this really needed was a rebase of the shared-lib patch. The loong
arch patch still applies, albeit with fuzz. The strict-aliasing warnings
from bug 862909 also seem gone, probably as part of the underlying
lapack upgrade.

Closes: https://bugs.gentoo.org/862909
Closes: https://bugs.gentoo.org/905277
Signed-off-by: Michael Orlitzky <mjo@gentoo.org>

3 files changed, 237 insertions, 0 deletions

diff --git a/sci-libs/openblas/Manifest b/sci-libs/openblas/Manifest
index 95fc46d6f9d5..7aa1f78efac0 100644
--- a/sci-libs/openblas/Manifest
+++ b/sci-libs/openblas/Manifest
@@ -2,3 +2,4 @@ DIST openblas-0.3.18.tar.gz 12619822 BLAKE2B 38a5e7b861eb0063a4494c1cfb6f7f57237
 DIST openblas-0.3.19.tar.gz 12706050 BLAKE2B c29aa27faaf18e3330087f8d2ebed733f53878266d6865239dfbb1624a113f3cabc988bbfcc18a0aa5d971697bc68bb267795ef24e2d8e0e8d50f802cb817b57 SHA512 1fcbcfefb7744894b0b0c83c6071b342086ca311dc67f5c2745812d61dcc9d31ef7dd5e1215dfb2731ae7197d497dbdf8f8b26a432eb07d41a7db0983eb86a33
 DIST openblas-0.3.20.tar.gz 12742441 BLAKE2B 9ae808e2a7da39e28dbe26c7feb5da3c70275f3b48bd68455c22e3b16fc1f2d10b9d84c9593acff2c837fc1514f21f2bbc0e87708075c5fe13514d0d47cf0b5a SHA512 0742d40b74b11b781021280fd627fa5798e6856b49f2ba1111a5927aac1a7823bcb8162187555f4cf3a4dd7eadf5b1f2a4685c0b5e189847b2869166d1bc7391
 DIST openblas-0.3.21.tar.gz 23729571 BLAKE2B 678bfb13ead69045e7d4d840bbcaed884d9ebedded5425cfa1f55e3d85bda31a3eb43dbbf9f07099d0d198f97ae68ef3b3b2b78aa1bd5b4999dd729dc08f7e28 SHA512 4625c8e6ccfa9120281fd714d3f6b7c3ba2265470c1be76121d6b25dc3dacb899d26e5d9a417ddc616d23909f1411495aa995ef8d8d6df8511cd5cefbabcb1c5
+DIST openblas-0.3.23.tar.gz 23950794 BLAKE2B 8394e09c682bba10450248cbbe090bb81c26661eac7d238942055ae0eecce752c8a3481af905de9efe20fe635f2c4a0e06af83bb64c998ab410e4cdc56751a47 SHA512 ea64c693e57eb63cc2a88e4d6ab2d8cf9ab84ae6a15048fb12090a3570dd41053e62e99c1ff9d3e02dd67ca93233591ab41b8c017d06585d0a69222e1ad3023f
diff --git a/sci-libs/openblas/files/openblas-0.3.23-shared-blas-lapack.patch b/sci-libs/openblas/files/openblas-0.3.23-shared-blas-lapack.patch
new file mode 100644
index 000000000000..4d200d3b3960
--- /dev/null
+++ b/sci-libs/openblas/files/openblas-0.3.23-shared-blas-lapack.patch
@@ -0,0 +1,40 @@
+From b3b59749a0df9c2375f1c99adb8552f698eba6d6 Mon Sep 17 00:00:00 2001
+From: Michael Orlitzky <michael@orlitzky.com>
+Date: Thu, 6 Jul 2023 15:54:30 -0400
+Subject: [PATCH] interface/Makefile: add shared library targets.
+
+Gentoo patch for shared library support.
+---
+ interface/Makefile | 19 +++++++++++++++++++
+ 1 file changed, 19 insertions(+)
+
+diff --git a/interface/Makefile b/interface/Makefile
+index 2ac9663..63bcb24 100644
+--- a/interface/Makefile
++++ b/interface/Makefile
+@@ -2384,3 +2384,22 @@ cblas_zgeadd.$(SUFFIX) cblas_zgeadd.$(PSUFFIX) : zgeadd.c
+ cblas_xerbla.$(SUFFIX) cblas_xerbla.$(PSUFFIX) : xerbla.c
+ 	$(CC) -c $(CFLAGS) -DCBLAS $< -o $(@F)
+ 
++#####
++shared-blas-lapack: libblas.so.3 libcblas.so.3 liblapack.so.3 liblapacke.so.3
++
++# The list of prerequisite is created by comparing with NETLIB BLAS public API.
++libblas.so.3: $(SBLAS1OBJS) $(SBLAS2OBJS) $(SBLAS3OBJS) $(DBLAS1OBJS) $(DBLAS2OBJS) $(DBLAS3OBJS) $(CBLAS1OBJS) $(CBLAS2OBJS) $(CBLAS3OBJS) $(ZBLAS1OBJS) $(ZBLAS2OBJS) $(ZBLAS3OBJS) ../kernel/lsame.o ../kernel/scabs1.o ../kernel/dcabs1.o ../driver/others/xerbla.o
++	$(CC) $(LDFLAGS) -shared -o $@ $^ -Wl,-soname,libblas.so.3 -L.. -lopenblas $(EXTRALIB)
++
++libcblas.so.3: $(CSBLAS1OBJS) $(CSBLAS2OBJS) $(CSBLAS3OBJS) $(CDBLAS1OBJS) $(CDBLAS2OBJS) $(CDBLAS3OBJS) $(CCBLAS1OBJS) $(CCBLAS2OBJS) $(CCBLAS3OBJS) $(CZBLAS1OBJS) $(CZBLAS2OBJS) $(CZBLAS3OBJS) ../kernel/lsame.o ../kernel/scabs1.o ../kernel/dcabs1.o ../driver/others/xerbla.o
++	$(CC) $(LDFLAGS) -shared -o $@ $^ -Wl,-soname,libcblas.so.3 -L.. -lopenblas $(EXTRALIB)
++
++# The prerequisites must match the symbols deleted in target delete-duplicate-lapack-objects
++liblapack.so.3: $(SLAPACKOBJS) $(DLAPACKOBJS) $(CLAPACKOBJS) $(ZLAPACKOBJS) ../kernel/lsame.o ../driver/others/xerbla.o
++	$(CC) $(LDFLAGS) -shared -o $@ $^ ../lapack-netlib/SRC/*.o -Wl,-soname,liblapack.so.3 -L.. -lopenblas $(EXTRALIB)
++
++liblapacke.so.3: liblapack.so.3
++	$(CC) $(LDFLAGS) -shared -o $@ `find ../lapack-netlib/LAPACKE -name "*.o"` -Wl,-soname,liblapacke.so.3 -L.. -lopenblas $(EXTRALIB)
++
++clean::
++	rm -f libblas.so.3 libcblas.so.3 liblapack.so.3
+-- 
+2.39.3
+
diff --git a/sci-libs/openblas/openblas-0.3.23.ebuild b/sci-libs/openblas/openblas-0.3.23.ebuild
new file mode 100644
index 000000000000..a29cc595fcae
--- /dev/null
+++ b/sci-libs/openblas/openblas-0.3.23.ebuild
@@ -0,0 +1,196 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit fortran-2 toolchain-funcs
+
+DESCRIPTION="Optimized BLAS library based on GotoBLAS2"
+HOMEPAGE="https://github.com/xianyi/OpenBLAS"
+SRC_URI="https://github.com/xianyi/OpenBLAS/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}"/OpenBLAS-${PV}
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~riscv ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+IUSE="dynamic eselect-ldso index-64bit openmp pthread relapack test"
+REQUIRED_USE="?? ( openmp pthread )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	eselect-ldso? (
+		>=app-eselect/eselect-blas-0.2
+		>=app-eselect/eselect-lapack-0.2
+	)
+"
+BDEPEND="virtual/pkgconfig"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-0.3.23-shared-blas-lapack.patch"
+	"${FILESDIR}/${PN}-0.3.21-fix-loong.patch"
+)
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+
+	elog "This software has a massive number of options that"
+	elog "are configurable and it is *impossible* for all of"
+	elog "those to fit inside any manageable ebuild."
+	elog "The Gentoo provided package has enough to build"
+	elog "a fully optimized library for your targeted CPU."
+	elog "You can set the CPU target using the environment"
+	elog "variable - OPENBLAS_TARGET or it will be detected"
+	elog "automatically from the target toolchain (supports"
+	elog "cross compilation toolchains)."
+	elog "You can control the maximum number of threads"
+	elog "using OPENBLAS_NTHREAD, default=64 and number of "
+	elog "parallel calls to allow before further calls wait"
+	elog "using OPENBLAS_NPARALLEL, default=8."
+}
+
+pkg_setup() {
+	fortran-2_pkg_setup
+
+	# List of most configurable options - Makefile.rule
+
+	# https://github.com/xianyi/OpenBLAS/pull/2663
+	tc-export CC FC LD AR AS RANLIB
+
+	# HOSTCC is used for scripting
+	export HOSTCC="$(tc-getBUILD_CC)"
+
+	# threading options
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+	USE_THREAD=0
+	if use openmp; then
+		USE_THREAD=1; USE_OPENMP=1;
+	elif use pthread; then
+		USE_THREAD=1; USE_OPENMP=0;
+	fi
+	export USE_THREAD USE_OPENMP
+
+	# disable submake with -j and default optimization flags
+	# in Makefile.system
+	# Makefile.rule says to not modify COMMON_OPT/FCOMMON_OPT...
+	export MAKE_NB_JOBS=-1 \
+		   COMMON_OPT=" " \
+		   FCOMMON_OPT=" "
+
+	# Target CPU ARCH options
+	# generally detected automatically from cross toolchain
+	use dynamic && \
+		export DYNAMIC_ARCH=1 \
+			   NO_AFFINITY=1 \
+			   TARGET=GENERIC
+
+	export NUM_PARALLEL=${OPENBLAS_NPARALLEL:-8} \
+		   NUM_THREADS=${OPENBLAS_NTHREAD:-64}
+
+	# setting OPENBLAS_TARGET to override auto detection
+	# in case the toolchain is not enough to detect
+	# https://github.com/xianyi/OpenBLAS/blob/develop/TargetList.txt
+	if ! use dynamic && [[ ! -z "${OPENBLAS_TARGET}" ]] ; then
+		export TARGET="${OPENBLAS_TARGET}"
+	fi
+
+	export NO_STATIC=1
+
+	BUILD_RELAPACK=1
+	if ! use relapack; then
+		BUILD_RELAPACK=0
+	fi
+
+	export PREFIX="${EPREFIX}/usr" BUILD_RELAPACK
+}
+
+src_prepare() {
+	default
+
+	# Don't build the tests as part of "make all". We'll do
+	# it explicitly later if the test phase is enabled.
+	sed -e "/^all ::/s/tests //" -i Makefile || die
+
+	# if 64bit-index is needed, create second library
+	# with LIBPREFIX=libopenblas64
+	if use index-64bit; then
+		cp -aL "${S}" "${S}-index-64bit" || die
+	fi
+}
+
+src_compile() {
+	default
+	cd interface || die
+	emake shared-blas-lapack
+
+	if use index-64bit; then
+		emake -C"${S}-index-64bit" \
+			  INTERFACE64=1 \
+			  LIBPREFIX=libopenblas64
+	fi
+}
+
+src_test() {
+	emake tests
+}
+
+src_install() {
+	emake install DESTDIR="${D}" \
+				  OPENBLAS_INCLUDE_DIR='$(PREFIX)'/include/${PN} \
+				  OPENBLAS_LIBRARY_DIR='$(PREFIX)'/$(get_libdir)
+
+	dodoc GotoBLAS_*.txt *.md Changelog.txt
+
+	if use index-64bit; then
+		dolib.so "${S}-index-64bit"/libopenblas64*.so*
+	fi
+
+	if use eselect-ldso; then
+		insinto /usr/$(get_libdir)/blas/openblas/
+		doins interface/libblas.so.3
+		dosym libblas.so.3 usr/$(get_libdir)/blas/openblas/libblas.so
+		doins interface/libcblas.so.3
+		dosym libcblas.so.3 usr/$(get_libdir)/blas/openblas/libcblas.so
+
+		insinto /usr/$(get_libdir)/lapack/openblas/
+		doins interface/liblapack.so.3
+		dosym liblapack.so.3 usr/$(get_libdir)/lapack/openblas/liblapack.so
+		doins interface/liblapacke.so.3
+		dosym liblapacke.so.3 usr/$(get_libdir)/lapack/openblas/liblapacke.so
+	fi
+}
+
+pkg_postinst() {
+	use eselect-ldso || return
+	local libdir=$(get_libdir) me="openblas"
+
+	# check 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} ${me}
+		elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
+	else
+		elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
+		elog "To use blas [${me}] implementation, you have to issue (as root):"
+		elog "\t eselect blas set ${libdir} ${me}"
+	fi
+
+	# check 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() {
+	if use eselect-ldso; then
+		eselect blas validate
+		eselect lapack validate
+	fi
+}