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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-3.7.11.ebuild,v 1.19 2007/07/13 06:57:51 mr_bones_ 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
}
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