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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/blas-atlas/blas-atlas-3.8.0.ebuild,v 1.15 2011/06/21 15:42:16 jlec Exp $
inherit eutils fortran-2 toolchain-funcs multilib
PATCH_V="3.7.39"
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}${PV}.tar.bz2
mirror://gentoo/${MY_PN}-${PATCH_V}-shared-libs.patch.bz2"
LICENSE="BSD"
SLOT="0"
KEYWORDS="alpha amd64 ppc ppc64 sparc x86"
IUSE="doc"
RDEPEND="
virtual/fortran
app-admin/eselect-blas
app-admin/eselect-cblas
doc? ( app-doc/blas-docs )"
DEPEND="app-admin/eselect-blas
app-admin/eselect-cblas
>=sys-devel/libtool-1.5"
S="${WORKDIR}/ATLAS"
pkg_setup() {
fortran-2_pkg_setup
# icc won't compile (as of icc-10.0.026)
# and will blow out $PORTAGE_TMPDIR
if [[ $(tc-getCC) = icc* ]]; then
eerror "icc compiler is not supported with sci-libs/blas-atlas"
die "blas-atlas won't compile with icc"
fi
echo
ewarn "Please make sure to disable CPU throttling completely"
ewarn "during the compile of blas-atlas. Otherwise, all atlas"
ewarn "generated timings will be completely random and the"
ewarn "performance of the resulting libraries will be degraded"
ewarn "considerably."
echo
ewarn "For users of <=gcc-4.1.1 only:"
ewarn "If you experience failing SANITY tests during"
ewarn "atlas' compile please try passing -mfpmath=387; this"
ewarn "option might also result in much better performance"
ewarn "than using then sse instruction set depending on your"
ewarn "CPU."
echo
epause 10
}
src_unpack() {
unpack ${A}
cd "${S}"
epatch "${DISTDIR}"/${MY_PN}-${PATCH_V}-shared-libs.patch.bz2
epatch "${FILESDIR}"/${MY_PN}-asm-gentoo.patch
epatch "${FILESDIR}"/${MY_PN}-${PATCH_V}-decl-fix.patch
# fix for pentium M
sed -e "s|iret = IntPM;|iret = IntPM; break;|g" \
-i CONFIG/src/backend/archinfo_x86.c \
|| die "failed to fix pentium M arch detection"
BLD_DIR="${S}"/gentoo-build
mkdir "${BLD_DIR}" || die "failed to generate build directory"
cd "${BLD_DIR}"
cp "${FILESDIR}"/war . && chmod a+x war || die "failed to install war"
local archselect=
if use amd64 || use ppc64; then
archselect="-b 64"
elif use alpha; then
archselect=""
else
archselect="-b 32"
fi
# Remove -m64 on alpha, since the compiler doesn't support it
use alpha && sed -i -e 's/-m64//g' "${S}"/CONFIG/src/probe_comp.c
../configure \
--cc="$(tc-getCC)" \
--cflags="${CFLAGS}" \
--prefix="${D}/${DESTTREE}" \
--libdir="${D}/${DESTTREE}"/$(get_libdir)/atlas \
--incdir="${D}/${DESTTREE}"/include \
-C ac "$(tc-getCC)" -F ac "${CFLAGS}" \
-C if $(tc-getFC) -F if "${FFLAGS:--O2}" \
-Ss pmake "\$(MAKE) ${MAKEOPTS}" \
-Si cputhrchk 0 ${archselect} \
|| die "configure failed"
}
src_compile() {
cd "${BLD_DIR}"
# atlas does its own parallel builds
emake -j1 || die "emake failed"
RPATH="${DESTTREE}"/$(get_libdir)/blas
make \
LIBDIR=$(get_libdir) \
RPATH="${RPATH}"/atlas \
shared || die "failed to build shared libraries"
# build shared libraries of threaded libraries if applicable
if [[ -d gentoo/libptcblas.a ]]; then
make \
LIBDIR=$(get_libdir) \
RPATH="${RPATH}"/threaded-atlas \
ptshared || die "failed to build threaded shared libraries"
fi
}
src_test() {
# make check does not work because
# we don't build lapack libs
for i in F77 C; do
einfo "Testing ${i} interface"
cd "${BLD_DIR}"/interfaces/blas/${i}/testing
make sanity_test || die "emake tests for ${i} failed"
if [[ -d "${BLD_DIR}"/gentoo/libptf77blas.a ]]; then
make ptsanity_test || die "emake tests threaded for ${i}failed"
fi
done
echo "Timing ATLAS"
cd "${BLD_DIR}"
emake time || die "emake time failed"
}
src_install () {
dodir "${RPATH}"/atlas
cd "${BLD_DIR}"/gentoo/libs
cp -P libatlas* "${D}/${DESTTREE}"/$(get_libdir) \
|| die "Failed to install libatlas"
# pkgconfig files
local extlibs="-lm"
local threadlibs
[[ $(tc-getFC) =~ gfortran ]] && extlibs="${extlibs} -lgfortran"
[[ $(tc-getFC) =~ g77 ]] && extlibs="${extlibs} -lg2c"
cp "${FILESDIR}"/blas.pc.in blas.pc
cp "${FILESDIR}"/cblas.pc.in cblas.pc
sed -i \
-e "s:@LIBDIR@:$(get_libdir):" \
-e "s:@PV@:${PV}:" \
-e "s:@EXTLIBS@:${extlibs}:g" \
-e "s:@THREADLIBS@:${threadlibs}:g" \
*blas.pc || die "sed *blas.pc failed"
cp -P *blas* "${D}/${RPATH}"/atlas \
|| die "Failed to install blas/cblas"
ESELECT_PROF=atlas
eselect blas add $(get_libdir) "${FILESDIR}"/eselect.blas.atlas ${ESELECT_PROF}
eselect cblas add $(get_libdir) "${FILESDIR}"/eselect.cblas.atlas ${ESELECT_PROF}
if [[ -d "${BLD_DIR}"/gentoo/threaded-libs ]]; then
dodir "${RPATH}"/threaded-atlas
cd "${BLD_DIR}"/gentoo/threaded-libs
# pkgconfig files
cp "${FILESDIR}"/blas.pc.in blas.pc
cp "${FILESDIR}"/cblas.pc.in cblas.pc
threadlibs="-lpthread"
sed -i \
-e "s:@LIBDIR@:$(get_libdir):" \
-e "s:@PV@:${PV}:" \
-e "s:@EXTLIBS@:${extlibs}:g" \
-e "s:@THREADLIBS@:${threadlibs}:g" \
*blas.pc || die "sed *blas.pc failed"
cp -P * "${D}/${RPATH}"/threaded-atlas \
|| die "Failed to install threaded atlas"
ESELECT_PROF=atlas-threads
eselect blas add $(get_libdir) "${FILESDIR}"/eselect.blas.threaded-atlas ${ESELECT_PROF}
eselect cblas add $(get_libdir) "${FILESDIR}"/eselect.cblas.threaded-atlas ${ESELECT_PROF}
fi
insinto "${DESTTREE}"/include/atlas
doins \
"${S}"/include/cblas.h \
"${S}"/include/atlas_misc.h \
"${S}"/include/atlas_enum.h \
|| die "failed to install headers"
# These headers contain the architecture-specific
# optimizations determined by ATLAS. The atlas-lapack build
# is much shorter if they are available, so save them:
doins "${BLD_DIR}"/include/*.h \
|| die "failed to install timing headers"
# some docs
cd "${S}"/doc
dodoc INDEX.txt AtlasCredits.txt ChangeLog || die "dodoc failed"
# atlas specific doc (blas generic docs installed by blas-docs)
if use doc; then
insinto /usr/share/doc/${PF}
doins atlas*pdf cblasqref.pdf || die "doins docs failed"
fi
}
pkg_postinst() {
for p in blas cblas; do
local current_p=$(eselect ${p} show | cut -d' ' -f2)
# this snippet works around the eselect bug #189942 and makes
# sure that users upgrading from a previous blas-atlas
# version pick up the new pkg-config files
if [[ ${current_p} == ${ESELECT_PROF} \
|| ${current_p} == "threaded-atlas" \
|| -z ${current_p} ]]; then
local configfile="${ROOT}"/etc/env.d/${p}/$(get_libdir)/config
[[ -e ${configfile} ]] && rm -f ${configfile}
eselect ${p} set ${ESELECT_PROF}
elog "${p} has been eselected to ${ESELECT_PROF}"
else
elog "Current eselected ${p} is ${current_p}"
elog "To use the ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
elog "\t eselect ${p} set ${ESELECT_PROF}"
fi
done
}
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