summaryrefslogtreecommitdiff
blob: b41803760ae9c90d120d294ce80784f9c701cd94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
# 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
}