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# 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-3.6.0-r2.ebuild,v 1.4 2007/03/13 00:24:34 kugelfang Exp $
inherit eutils toolchain-funcs
DESCRIPTION="Automatically Tuned Linear Algebra Software BLAS implementation"
HOMEPAGE="http://math-atlas.sourceforge.net/"
MY_PN=${PN/blas-/}
SRC_URI="mirror://sourceforge/math-atlas/${MY_PN}${PV}.tar.bz2
mirror://gentoo/atlas${PV}-shared-libs.1.patch.bz2"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86"
IUSE="doc"
RDEPEND="app-admin/eselect-blas
app-admin/eselect-cblas"
DEPEND="${RDEPEND}
>=sys-devel/libtool-1.5"
PROVIDE="virtual/blas"
S=${WORKDIR}/ATLAS
# Libraries will be installed in ${RPATH}/atlas
# and ${RPATH}/threaded-atlas:
RPATH="${DESTTREE}/lib/blas"
pkg_setup() {
if [[ -z `type -P g77` ]]; then
eerror "No fortran compiler found on the system!"
eerror "Please add fortran to your USE flags and reemerge gcc!"
die
fi
}
src_unpack() {
unpack ${A}
cd ${S}
epatch ${FILESDIR}/unbuffered.patch
epatch ${DISTDIR}/atlas3.6.0-shared-libs.1.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"
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
make shared-strip arch=${ATLAS_ARCH} RPATH=${RPATH}/atlas || die
# 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}/lib
cp -P *blas* ${D}/${RPATH}/atlas #the rest really
eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas atlas
eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas atlas
if [ -d ${S}/gentoo/threaded-libs ]
then
dodir ${RPATH}/threaded-atlas
cd ${S}/gentoo/threaded-libs
cp -P * ${D}/${RPATH}/threaded-atlas
eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas-threaded threaded-atlas
eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas-threaded 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() {
local THREADED
if [ -d ${RPATH}/threaded-atlas ]
then
THREADED="threaded-"
fi
if [[ -z "$(eselect blas show)" ]]; then
eselect blas set ${THREADED}atlas
fi
if [[ -z "$(eselect cblas show)" ]]; then
eselect cblas set ${THREADED}atlas
fi
elog
elog "Fortran users link using -lblas"
elog
elog "C users compile against the header ${ROOT}usr/include/atlas/cblas.h and"
elog "link using -lcblas"
elog
elog "If using threaded ATLAS, you may also need to link with -lpthread."
elog
elog "Configuration now uses eselect rather than blas-config."
}
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