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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit eutils flag-o-matic toolchain-funcs fortran autotools versionator
MY_PN="${PN/lapack-/}"
L_PN="lapack"
L_PV="3.1.1"
BlasRelease=$(get_version_component_range 1-3)
DESCRIPTION="F77 and C LAPACK implementations using available ATLAS routines"
LICENSE="BSD"
HOMEPAGE="http://math-atlas.sourceforge.net/"
SRC_URI1="mirror://sourceforge/math-atlas/${MY_PN}${PV}.tar.bz2"
SRC_URI2="http://www.netlib.org/${L_PN}/${L_PN}-lite-${L_PV}.tgz"
SRC_URI="${SRC_URI1} ${SRC_URI2}"
# mirror://gentoo/${MY_PN}-${PV}-shared-libs.patch.bz2"
SLOT="0"
IUSE="doc"
KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86"
DEPEND="virtual/blas
virtual/cblas
app-admin/eselect-lapack
~sci-libs/blas-atlas-${BlasRelease}
>=sys-devel/libtool-1.5"
RDEPEND="${DEPEND}
dev-util/pkgconfig
doc? ( app-doc/lapack-docs )"
FORTRAN="g77 gfortran ifc"
S="${WORKDIR}/ATLAS"
S_LAPACK="${WORKDIR}/${L_PN}-lite-${L_PV}"
BLD_DIR="${S}/gentoo-build"
RPATH="${DESTTREE}/$(get_libdir)/${L_PN}/${MY_PN}"
src_unpack() {
unpack ${A}
#epatch "${DISTDIR}"/${MY_PN}-${PV}-shared-libs.patch.bz2
epatch "${FILESDIR}"/${MY_PN}-${PV}-shared-libs.patch
epatch "${FILESDIR}"/${MY_PN}-asm-gentoo.patch
cd "${S}"
mkdir ${BLD_DIR} || die "failed to generate build directory"
cp "${FILESDIR}"/war "${BLD_DIR}" && chmod a+x "${BLD_DIR}"/war \
|| die "failed to install war"
# make sure the compile picks up the proper includes
sed -e "s|INCLUDES =|INCLUDES = -I/usr/include/atlas/|" \
-e "s:= gcc:= $(tc-getCC) ${CFLAGS}:" \
-i CONFIG/src/SpewMakeInc.c || \
die "failed to append proper includes"
# force proper 32/64bit libs
local archselect
if [[ "${ARCH}" == "amd64" || "${ARCH}" == "ppc64" ]]; then
archselect="-b 64"
elif [ "${ARCH}" == "alpha" ]; then
archselect=""
else
archselect="-b 32"
fi
cd ${BLD_DIR} && ../configure \
--cc=$(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 "${FORTRANC}" -F if "${FFLAGS}" \
-Ss pmake "\$(MAKE) ${MAKEOPTS}" \
-Si cputhrchk 0 ${archselect} \
|| die "configure failed"
cd "${S_LAPACK}"
epatch "${FILESDIR}"/${L_PN}-reference-${L_PV}-autotool.patch
epatch "${FILESDIR}"/${L_PN}-reference-${L_PV}-test-fix.patch
eautoreconf
# set up the testing routines
sed -e "s:g77:${FORTRANC}:" \
-e "s:-funroll-all-loops -O3:${FFLAGS} $(pkg-config --cflags blas cblas):" \
-e "s:LOADOPTS =:LOADOPTS = ${LDFLAGS} $(pkg-config --cflags blas cblas):" \
-e "s:../../blas\$(PLAT).a:$(pkg-config --libs blas cblas):" \
-e "s:lapack\$(PLAT).a:SRC/.libs/liblapack.so:" \
-e "s:EXT_ETIME$:INT_CPU_TIME:" \
make.inc.example > make.inc \
|| die "Failed to set up make.inc"
}
src_compile() {
# build atlas' part of lapack
cd "${BLD_DIR}"
for d in src/lapack interfaces/lapack/C/src interfaces/lapack/F77/src; do
cd "${BLD_DIR}/{d}"
make lib || die "Failed to make lib in ${d}"
done
# build rest of lapack
cd "${S_LAPACK}"
econf || die "Failed to configure reference lapack lib"
emake || die "Failed to make reference lapack lib"
cd "${S_LAPACK}"/SRC
einfo "Copying liblapack.a/*.o to ${S_LAPACK}/SRC"
cp -sf "${BLD_DIR}"/gentoo/liblapack.a/*.o .
einfo "Copying liblapack.a/*.lo to ${S_LAPACK}/SRC"
cp -sf "${BLD_DIR}"/gentoo/liblapack.a/*.lo .
einfo "Copying liblapack.a/.libs/*.o to ${S_LAPACK}/SRC"
cp -sf "${BLD_DIR}"/gentoo/liblapack.a/.libs/*.o .libs/
local flibs
[[ ${FORTRANC} == "gfortran" ]] && flibs="-lgfortran"
[[ ${FORTRANC} == "g77" ]] && flibs="-lg2c"
../libtool --mode=link --tag=F77 ${FORTRANC} \
$(pkg-config --libs blas cblas) \
${flibs} \
-o liblapack.la *.lo -rpath "${RPATH}" \
|| die "Failed to create liblapack.la"
# making pkg-config file
sed -e "s:@LIBDIR@:$(get_libdir):" \
-e "s:@PV@:${PV}:" \
-e "s:@EXTLIBS@:-lm ${flibs}:g" \
"${FILESDIR}/lapack.pc.in" > "${S}"/lapack.pc \
|| die "sed lapack.pc failed"
}
src_install () {
dodir "${RPATH}"
cd "${S_LAPACK}"/SRC
../libtool --mode=install cp liblapack.la "${D}/${RPATH}" \
|| die "Failed to install lapack-atlas library"
eselect lapack add $(get_libdir) "${FILESDIR}"/eselect.lapack.atlas atlas
insinto /usr/include/atlas
doins "${S}"/include/clapack.h || die "Failed to install clapack.h"
cd "${S}"
dodoc README doc/AtlasCredits.txt doc/ChangeLog || \
die "Failed to install docs"
insinto /usr/$(get_libdir)/lapack/atlas
doins "${S}"/lapack.pc || die "Failed to install lapack.pc"
}
src_test() {
cd "${S_LAPACK}"/TESTING/MATGEN && emake || \
die "Failed to create tmglib.a"
cd ../ && emake || die "lapack-reference tests failed."
}
pkg_postinst() {
[[ -z "$(eselect lapack show)" ]] && eselect lapack set atlas
elog "Use 'eselect lapack' (as root) to select"
elog "one of the ATLAS lapack profiles."
elog "Once selected, use 'pkg-config --libs lapack' to link with ATLAS lapack."
elog "With C, add 'pkg-config --cflags lapack' to compile."
}
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