summaryrefslogtreecommitdiff
blob: b091b35730e25188c85a6a413b1de49b9b3dd33f (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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/blas-atlas/blas-atlas-3.7.11.ebuild,v 1.17 2007/01/03 02:36:46 markusle Exp $

inherit eutils toolchain-funcs fortran

DESCRIPTION="Automatically Tuned Linear Algebra Software BLAS implementation"
HOMEPAGE="http://math-atlas.sourceforge.net/"
MY_PN=${PN/blas-/}
MY_PV=3.6.0
SRC_URI="mirror://sourceforge/math-atlas/${MY_PN}${PV}.tar.bz2
		mirror://gentoo/atlas${MY_PV}-shared-libs.3.patch.bz2"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha amd64 ppc ppc64 sparc x86"
IUSE="doc"

RDEPEND="sci-libs/blas-config"
DEPEND="${RDEPEND}
	>=sys-devel/libtool-1.5"
PROVIDE="virtual/blas"


S="${WORKDIR}/ATLAS"
RPATH="${DESTTREE}/$(get_libdir)/blas"
FORTRAN="g77 gfortran"

src_unpack() {
	unpack ${A}
	cd ${S}

	epatch "${FILESDIR}"/unbuffered.patch
	epatch "${FILESDIR}"/${PV}-allow-any-gcc-version.patch
	epatch "${DISTDIR}"/atlas3.6.0-shared-libs.3.patch.bz2
	epatch "${FILESDIR}"/${PV}-ppc-configure.patch
	sed -i \
		-e "s:ASM:ASM VOLATILE:" \
		include/contrib/camm_dpa.h \
		|| die "sed failed to fix clobbering"

	sed -i \
		-e "s:\(\t./xconfig\):\1 -m $(tc-getCC) -c $(tc-getCC) -f ${FORTRANC}:g" \
		${S}/Makefile \
		|| die "Failed to fix compilers"

	if [[ $(gcc-major-version) -ge 4 ]]; then
		einfo "Updating Makefiles for gcc-4"
		sed -i \
			-e "s:g2c:gfortran:g" \
			${S}/Make.top \
			${S}/makes/Make.lib \
			|| die "Failed to update for gcc-4"
	fi

	# make sure shared libs link against proper libraries
	if [[ ${FORTRANC} == "gfortran" ]]; then
		libs="-lpthread -lgfortran"
	else
		libs="-lpthread -lg2c"
	fi
	sed -e "s/SHRD_LNK/${libs}/g" -i Make.top || \
		die "Failed to add addtional libs to shared object build"

	cp "${FILESDIR}"/war "${S}"
	chmod a+x "${S}"/war
}

atlas_fail() {
	eerror
	eerror "ATLAS auto-config failed."
	eerror "Please run 'interactive=1 emerge blas-atlas' to configure manually."
	eerror
	die "ATLAS auto-config failed."
}

# Added to allow compilation on sparc architecture. The default CCFLAG0
# and MMFLAGS are *bad*.
# Danny van Dyk <kugelfang@gentoo.org> 2004/07/02
#
reconfigure() {
	case "`uname -p`" in
		"sun4m")
			MY_CCFLAGS="-O3 -mcpu=v8"
			MY_CXXFLAGS="${MY_CCFLAGS}"
			MY_MMFLAGS="-O -mcpu=v8"
			MY_LDFLAGS=""
			;;
		"sun4u")
			MY_CCFLAGS="-O3 -mcpu=ultrasparc"
			MY_CXXFLAGS="${MY_CCFLAGS}"
			MY_MMFLAGS="-O -mcpu=ultrasparc"
			MY_LDFLAGS=""
			;;
		*)
			MY_CCFLAGS="${CFLAGS}"
			MY_CXXFLAGS="${CXXFLAGS}"
			MY_MMFLAGS="${CFLAGS}"
			MY_LDFLAGS="${LDFLAGS}"
			;;
	esac

	MY_FILE="`find -name Make.Linux*`"

	sed -i -e "s/CCFLAG0 =.*/CCFLAG0 = \$(CDEFS) ${MY_CCFLAGS}/" \
		-e "s/CCFLAGS =.*/CCFLAGS = \$(CDEFS) ${MY_CCFLAGS}/" \
		-e "s/CLINKFLAGS =.*/CLINKFLAGS =\$(CDEFS) ${MY_LDFLAGS}/" \
		-e "s/XCCFLAGS =.*/XCCFLAGS =\$(CDEFS) ${MY_CXXFLAGS}/" \
		-e "s/MMFLAGS =.*/MMFLAGS = ${MY_MMFLAGS}/" \
		${MY_FILE} || die "sed didnt complete"
}

src_compile() {
	if [ -n "${interactive}" ]
	then
		echo "${interactive}"
		make config CC="$(tc-getCC) -DUSE_LIBTOOL -DINTERACTIVE" || die
	else
		# Use ATLAS defaults for all questions:
		(echo | make config CC="$(tc-getCC) -DUSE_LIBTOOL") || atlas_fail
	fi

	reconfigure

	TMPSTR=$(ls Make.Linux*)
	ATLAS_ARCH=${TMPSTR#'Make.'}

	make install arch=${ATLAS_ARCH} || \
		die "Failed to install blas-atlas"

	make shared-strip arch=${ATLAS_ARCH} RPATH=${RPATH}/atlas || \
		die "Failed to build shared libraries"

	# Build shared versions of the threaded libs.
	# ATLAS only compiles threaded libs on multiprocessor machines.
	if [ -d gentoo/libptf77blas.a ]
	then
		make ptshared-strip \
			arch=${ATLAS_ARCH} RPATH=${RPATH}/threaded-atlas || die
	fi
}

src_install () {
	dodir "${RPATH}"/atlas
	cd "${S}"/gentoo/libs
	cp -P libatlas* "${D}/${DESTTREE}/$(get_libdir)" || \
		die "Failed to install libatlas"
	cp -P *blas* "${D}/${RPATH}"/atlas || \
		die "Failed to install blas/cblas"

	insinto "${RPATH}"
	doins "${FILESDIR}"/c-ATLAS "${FILESDIR}"/f77-ATLAS

	if [ -d "${S}"/gentoo/threaded-libs ]
	then
		dodir "${RPATH}"/threaded-atlas
		cd "${S}"/gentoo/threaded-libs
		cp -P * "${D}/${RPATH}"/threaded-atlas || \
			die "Failed to install threaded atlas"
		doins "${FILESDIR}"/c-threaded-ATLAS \
				"${FILESDIR}"/f77-threaded-ATLAS
	fi

	insinto "${DESTTREE}"/include/atlas
	doins "${S}"/include/cblas.h "${S}"/include/atlas_misc.h
	doins "${S}"/include/atlas_enum.h

	# These headers contain the architecture-specific 
	# optimizations determined by ATLAS. The atlas-lapack build 
	# is much shorter if they are available, so save them:
	doins "${S}/include/${ATLAS_ARCH}"/*.h

	#some docs
	cd "${S}"
	dodoc README doc/{AtlasCredits.txt,ChangeLog}
	use doc && dodoc doc/*.ps
}

pkg_postinst() {
	if [ -d "${RPATH}"/threaded-atlas ]
	then
		${DESTTREE}/bin/blas-config threaded-ATLAS
	else
		${DESTTREE}/bin/blas-config ATLAS
	fi

	einfo
	einfo "Fortran users link using -lblas"
	einfo
	einfo "C users compile against the header /usr/include/atlas/cblas.h and"
	einfo "link using -lcblas"
	einfo
}