summaryrefslogtreecommitdiff
blob: 9d96c6fa9fd0f15cab58d31377c1910eb28c6768 (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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
# Copyright 1999-2020 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"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
IUSE="dynamic eselect-ldso index-64bit openmp pthread test"
REQUIRED_USE="?? ( openmp pthread )"
RESTRICT="!test? ( test )"

RDEPEND="
	eselect-ldso? ( >=app-eselect/eselect-blas-0.2
			!app-eselect/eselect-cblas
			>=app-eselect/eselect-lapack-0.2 )"
BDEPEND="virtual/pkgconfig"

PATCHES=(
	"${FILESDIR}/shared-blas-lapack.patch"
	"${FILESDIR}/${PN}-0.3.10-dont-clobber-fflags.patch"
)

pkg_setup() {
	fortran-2_pkg_setup
	use openmp && tc-check-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"

	export CC=$(tc-getCC) FC=$(tc-getFC)

	use dynamic && \
		export DYNAMIC_ARCH=1 TARGET=GENERIC NUM_THREADS=64 NO_AFFINITY=1

	# disable submake with -j
	export MAKE_NB_JOBS=-1

	# Set these to "nothing" to prevent the default optimization flags
	# from being added in Makefile.system.
	export COMMON_OPT=" " FCOMMON_OPT=" "

	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

	export PREFIX="${EPREFIX}/usr"
}

src_unpack() {
	default

	mv "${WORKDIR}"/*OpenBLAS* "${S}" || die

	if use index-64bit; then
		cp -aL "${S}" "${S}-index-64bit" || die
	fi
}

src_compile() {
	# We have to try extra hard to override AR for now.
	# https://github.com/xianyi/OpenBLAS/issues/2654
	emake AR="$(tc-getAR)"
	emake AR="$(tc-getAR)" -Cinterface 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="${ED}" OPENBLAS_INCLUDE_DIR='$(PREFIX)'/include/${PN} \
		OPENBLAS_LIBRARY_DIR='$(PREFIX)'/$(get_libdir)
	dodoc GotoBLAS_*.txt *.md Changelog.txt

	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
	fi

	if use index-64bit; then
		insinto /usr/$(get_libdir)/
		dolib.so "${S}-index-64bit"/libopenblas64*.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
}