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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/lapack-atlas/lapack-atlas-3.7.34.ebuild,v 1.3 2007/10/10 10:04:59 markusle Exp $
inherit eutils flag-o-matic toolchain-funcs fortran versionator
MY_PN="${PN/lapack-/}"
L_PN="lapack"
L_PV="3.1.1"
BlasRelease=$(get_version_component_range 1-3)
DESCRIPTION="Full LAPACK implementation 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}-${PV}-shared-libs.patch.bz2"
SLOT="0"
IUSE="doc"
KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86"
RDEPEND="virtual/blas
app-admin/eselect-lapack"
DEPEND="${RDEPEND}
>=sys-devel/libtool-1.5
~sci-libs/blas-atlas-${BlasRelease}"
PROVIDE="virtual/lapack"
FORTRAN="g77 gfortran"
S="${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 ${A}
cd "${WORKDIR}"
epatch "${DISTDIR}"/${MY_PN}-${PV}-shared-libs.patch.bz2
epatch "${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
# set up compiler/flags using atlas' native configure
local compdefs
compdefs="${compdefs} -C xc '$(tc-getCC)' -F xc '${CFLAGS}'"
compdefs="${compdefs} -C ic '$(tc-getCC)' -F ic '${CFLAGS}'"
compdefs="${compdefs} -C sk '$(tc-getCC)' -F sk '${CFLAGS}'"
compdefs="${compdefs} -C dk '$(tc-getCC)' -F dk '${CFLAGS}'"
compdefs="${compdefs} -C sm '$(tc-getCC)' -F sm '${CFLAGS}'"
compdefs="${compdefs} -C dm '$(tc-getCC)' -F dm '${CFLAGS}'"
compdefs="${compdefs} -C if '${FORTRANC}' -F if '${FFLAGS}'"
compdefs="${compdefs} -Ss pmake '\$(MAKE) ${MAKEOPTS}'"
compdefs="${compdefs} -Si cputhrchk 0 ${archselect}"
cd ${BLD_DIR} && ../configure ${compdefs} \
|| die "configure failed"
cd "${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
cp make.inc.example make.inc || die "Failed to copy make.inc"
sed -e "s:g77:${FORTRANC}:" \
-e "s:-funroll-all-loops -O3:${FFLAGS}:" \
-e "s:LOADOPTS =:LOADOPTS = ${LDFLAGS}:" \
-e "s:../../blas\$(PLAT).a:-lblas -lcblas:" \
-e "s:lapack\$(PLAT).a:SRC/.libs/liblapack.a:" \
-e "s:EXT_ETIME$:INT_CPU_TIME:" \
-i make.inc || die "Failed to set up make.inc"
}
src_compile() {
# build atlas' part of lapack
cd "${BLD_DIR}"/src/lapack
make lib || die "Failed to make lib in ${BLD_DIR}/src/lapack"
cd "${BLD_DIR}"/interfaces/lapack/C/src
make lib || die "Failed to make lib in ${BLD_DIR}/interfaces/lapack/C/src"
cd "${BLD_DIR}"/interfaces/lapack/F77/src
make lib || die "Failed to make lib in ${BLD_DIR}/interfaces/lapack/F77/src"
# build rest of lapack
cd "${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/
# make sure shared libs link against proper libraries
if [[ ${FORTRANC} == "gfortran" ]]; then
libs="${LDFLAGS} -lpthread -lgfortran"
else
libs="${LDFLAGS} -lpthread -lg2c"
fi
../libtool --mode=link --tag=F77 ${FORTRANC} -lblas -lcblas \
-latlas ${libs} -o liblapack.la *.lo -rpath "${RPATH}" \
|| die "Failed to create liblapack.la"
}
src_install () {
dodir "${RPATH}"
cd "${S_LAPACK}"/SRC
../libtool --mode=install install -s liblapack.la \
"${D}/${RPATH}" \
|| die "Failed to install lapack-atlas library"
eselect lapack add $(get_libdir) "${FILESDIR}"/eselect.lapack atlas
insinto /usr/include/atlas
cd "${S}"/include
doins clapack.h || die "Failed to install clapack.h"
cd "${S}"
dodoc README doc/AtlasCredits.txt doc/ChangeLog || \
die "Failed to install docs"
if use doc; then
dodoc doc/lapackqref.pdf || die "Failed to install docs"
fi
}
src_test() {
cd "${S_LAPACK}"/TESTING/MATGEN && emake || \
die "Failed to create tmglib.a"
cd ../ && emake || die "lapack-reference tests failed."
}
pkg_postinst() {
if [[ -z "$(eselect lapack show)" ]]; then
eselect lapack set atlas
fi
elog
elog "To link with ATLAS LAPACK from C or Fortran, simply use:"
elog
elog "-llapack"
elog
elog "C users: your header is /usr/include/atlas/clapack.h"
elog
elog "Configuration now uses eselect rather than lapack-config."
}
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