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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=7
DESCRIPTION="Optimized BLAS library based on GotoBLAS2"
HOMEPAGE="http://xianyi.github.com/OpenBLAS/"
SRC_URI="https://github.com/xianyi/OpenBLAS/tarball/v${PV} -> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
IUSE="dynamic openmp pthread serial static-libs eselect-ldso"
REQUIRED_USE="?? ( openmp pthread serial )"
RDEPEND="
>=app-eselect/eselect-blas-0.2
>=app-eselect/eselect-lapack-0.2
"
DEPEND="${RDEPEND}
virtual/pkgconfig"
PATCHES=( "${FILESDIR}/shared-blas-lapack.patch" )
openblas_flags() {
local flags=()
use dynamic && \
flags+=( DYNAMIC_ARCH=1 TARGET=GENERIC NUM_THREADS=64 NO_AFFINITY=1 )
if use openmp; then
flags+=( USE_THREAD=1 USE_OPENMP=1 )
elif use pthread; then
flags+=( USE_THREAD=1 USE_OPENMP=0 )
else
flags+=( USE_THREAD=0 ) # serial
fi
flags+=( DESTDIR="${D}" PREFIX="${EPREFIX}/usr" )
flags+=( OPENBLAS_INCLUDE_DIR='$(PREFIX)'/include/${PN} )
flags+=( OPENBLAS_LIBRARY_DIR='$(PREFIX)'/$(get_libdir) )
echo "${flags[@]}"
}
src_unpack () {
default
find "${WORKDIR}" -maxdepth 1 -type d -name \*OpenBLAS\* && \
mv "${WORKDIR}"/*OpenBLAS* "${S}" || die
}
src_compile () {
emake $(openblas_flags)
emake -Cinterface shared-blas-lapack $(openblas_flags)
}
src_install () {
emake install $(openblas_flags)
if use eselect-ldso; then
dodir /usr/$(get_libdir)/blas/openblas/
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/$(get_libdir)/blas/openblas/libcblas.so
dodir /usr/$(get_libdir)/lapack/openblas/
insinto /usr/$(get_libdir)/lapack/openblas/
doins interface/liblapack.so.3
dosym liblapack.so.3 usr/$(get_libdir)/lapack/openblas/liblapack.so
fi
}
pkg_postinst () {
if use eselect-ldso; then
eselect blas add $(get_libdir) \
"${EROOT}"/usr/$(get_libdir)/blas/openblas openblas
eselect lapack add $(get_libdir) \
"${EROOT}"/usr/$(get_libdir)/lapack/openblas openblas
fi
}
pkg_postrm () {
if use eselect-ldso; then
eselect blas validate
eselect lapack validate
fi
}
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