# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /home/cvsroot/gentoo-x86/app-sci/lapack/lapack-3.0.ebuild,v 1.3 2003/02/13 09:23:06 vapier Exp $

S=${WORKDIR}/LAPACK

LICENSE="lapack"
SLOT="0"
KEYWORDS="x86"
IUSE=""
DESCRIPTION="Linear Algebra PACKage for scientists, engineers, and mathematicians. This contains the libraries for creating programs that use LAPACK."

SRC_URI="http://www.netlib.org/lapack/lapack.tgz"
HOMEPAGE="http://www.netlib.org/lapack/"
DEPEND="virtual/glibc
	    >=dev-libs/atlas-3.4.1"

src_compile() {
	# first sort the makefile out - set BLASLIB to use ATLAS
	cat INSTALL/make.inc.LINUX | sed s/BLASLIB.*// > make.inc
	echo "BLASLIB = /usr/lib/libcblas.a /usr/lib/libf77blas.a /usr/lib/libatlas.a" >> make.inc
	# check that ATLAS is installed corectly
	make blas_testing
	# now the proper install can begin
	# set the path first - need this otherwise make breaks!
	export PATH="$PATH:./"
	make install # this builds some install utilities
	make lib
	make testing
	# build optimised LAPACK library using existing minimal liblapack.a
	# provided by ATLAS - taken from atlas docs
	mkdir tmp/
	cd tmp/
	ar x /usr/lib/liblapack.a
	ar r ../lapack_LINUX.a *.o
	cd ../
	rm -rf tmp/
	mv lapack_LINUX.a lapack.a
}

src_install () {
	dolib.a lapack.a
}