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gentoo-overlay/sci-libs/openblas/openblas-0.3.12-r1.ebuild

199 lines
5.6 KiB

# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit flag-o-matic fortran-2 toolchain-funcs
DESCRIPTION="Optimized BLAS library based on GotoBLAS2"
HOMEPAGE="http://xianyi.github.com/OpenBLAS/"
SRC_URI="https://github.com/xianyi/OpenBLAS/archive/v${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}"/OpenBLAS-${PV}
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm ~arm64 ~x86 ~amd64-linux ~x86-linux ~x64-macos"
IUSE="dynamic eselect-ldso index-64bit openmp pthread relapack test"
REQUIRED_USE="?? ( openmp pthread )"
RESTRICT="!test? ( test )"
RDEPEND="
eselect-ldso? (
>=app-eselect/eselect-blas-0.2
>=app-eselect/eselect-lapack-0.2
)
"
BDEPEND="virtual/pkgconfig"
PATCHES=(
"${FILESDIR}/${PN}-0.3.12-shared-blas-lapack.patch"
"${FILESDIR}/${PN}-0.3.10-dont-clobber-fflags.patch"
)
pkg_pretend() {
elog "This software has a massive number of options that"
elog "are configurable and it is *impossible* for all of"
elog "those to fit inside any manageable ebuild."
elog "The Gentoo provided package has enough to build"
elog "a fully optimized library for your targeted CPU."
elog "You can set the CPU target using the environment"
elog "variable - OPENBLAS_TARGET or it will be detected"
elog "automatically from the target toolchain (supports"
elog "cross compilation toolchains)."
elog "You can control the maximum number of threads"
elog "using OPENBLAS_NTHREAD, default=64 and number of "
elog "parallel calls to allow before further calls wait"
elog "using OPENBLAS_NPARALLEL, default=8."
}
pkg_setup() {
fortran-2_pkg_setup
# List of most configurable options - Makefile.rule
# https://github.com/xianyi/OpenBLAS/pull/2663
tc-export CC FC LD AR AS RANLIB
# HOSTCC is used for scripting
export HOSTCC=$(tc-getBUILD_CC)
# threading options
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
# We need to filter these while building the library, and not just
# while building the test suite. Will hopefully get fixed upstream:
# https://github.com/xianyi/OpenBLAS/issues/2657
use test && filter-flags "-fbounds-check" "-fcheck=bounds" "-fcheck=all"
# 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="${EPREFIX}/usr" BUILD_RELAPACK
}
src_prepare() {
default
# Disable tests by default
sed -e "/^all ::/s/tests //" -i Makefile || die
# if 64bit-index is needed, create second library
# with LIBPREFIX=libopenblas64
if use index-64bit; then
cp -aL "${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
}