--- /dev/null
+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sci-libs/lapack-atlas/lapack-atlas-3.9.23-r3.ebuild,v 1.1 2010/04/20 18:41:05 jlec Exp $
+
+EAPI="3"
+
+inherit eutils flag-o-matic toolchain-funcs fortran autotools versionator
+
+MY_PN="${PN/lapack-/}"
+PATCH_V="3.9.21"
+L_PN="lapack"
+L_PV="3.1.1"
+BlasRelease=$(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}-${PATCH_V}-shared-libs.2.patch.bz2
+ mirror://gentoo/${L_PN}-reference-${L_PV}-autotools.patch.bz2"
+
+SLOT="0"
+IUSE="doc"
+KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux"
+
+CDEPEND="virtual/blas
+ virtual/cblas
+ app-admin/eselect-lapack
+ ~sci-libs/blas-atlas-${BlasRelease}"
+DEPEND="${CDEPEND}
+ dev-util/pkgconfig
+ >=sys-devel/libtool-1.5"
+RDEPEND="${CDEPEND}
+ doc? ( app-doc/lapack-docs )"
+
+FORTRAN="g77 gfortran ifc"
+
+S="${WORKDIR}/ATLAS"
+S_LAPACK="${WORKDIR}/${L_PN}-lite-${L_PV}"
+BLD_DIR="${S}/gentoo-build"
+RPATH="/usr/$(get_libdir)/${L_PN}/${MY_PN}"
+S_LAPACK="${WORKDIR}"/${L_PN}-lite-${L_PV}
+
+src_prepare() {
+ epatch "${DISTDIR}"/${MY_PN}-${PATCH_V}-shared-libs.2.patch.bz2
+ epatch "${FILESDIR}"/${MY_PN}-asm-gentoo.patch
+ epatch "${FILESDIR}"/${PN}-${PATCH_V}-lam.patch
+
+ # make sure the compile picks up the proper includes
+ sed -i \
+ -e "s|INCLUDES.*=|INCLUDES = -I${EPREFIX}/usr/include/atlas/|" \
+ "${S}"/CONFIG/src/SpewMakeInc.c \
+ || die "failed to append proper includes"
+
+ cp "${FILESDIR}"/eselect.lapack.atlas "${T}"/
+ sed -i -e "s:/usr:${EPREFIX}/usr:" \
+ "${T}"/eselect.lapack.atlas || die
+ if [[ ${CHOST} == *-darwin* ]] ; then
+ sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
+ "${T}"/eselect.lapack.atlas || die
+ sed -e /LIBTOOL/s/libtool/glibtool/ -i CONFIG/src/SpewMakeInc.c
+ epatch "${FILESDIR}"/${PN}-3.9.3-darwin-make-top.patch
+ fi
+
+ mkdir "${BLD_DIR}" || die "failed to generate build directory"
+ cd "${BLD_DIR}"
+ cp "${FILESDIR}"/war . && chmod a+x war || die "failed to install war"
+ sed -i -e '1c\#! '"${EPREFIX}"'/bin/bash' war
+ cd "${S_LAPACK}"
+ epatch "${WORKDIR}"/${L_PN}-reference-${L_PV}-autotools.patch
+ epatch "${FILESDIR}"/${L_PN}-reference-${L_PV}-test-fix.patch
+ eautoreconf
+}
+
+src_configure() {
+ BLAS_LIBS="$(pkg-config --libs blas cblas)"
+
+ cd "${BLD_DIR}"
+ 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' "${S}"/CONFIG/src/probe_comp.c
+
+ # unfortunately, atlas-3.9.0 chokes when passed
+ # x86_64-pc-linux-gnu-gcc and friends instead of
+ # plain gcc. Hence, we'll have to workaround this
+ # until it is fixed by upstream
+ local c_compiler=$(tc-getCC)
+ if [[ "${c_compiler}" == *gcc* ]]; then
+ c_compiler="gcc"
+ fi
+
+ ../configure \
+ --cc="${c_compiler}" \
+ --cflags="${CFLAGS}" \
+ --prefix="${ED}"/usr \
+ --libdir="${ED}"/usr/$(get_libdir)/atlas \
+ --incdir="${ED}"/usr/include \
+ -C ac "${c_compiler}" -F ac "${CFLAGS}" \
+ -C if ${FORTRANC} -F if "${FFLAGS:-'-O2'}" \
+ -Ss pmake "\$(MAKE) ${MAKEOPTS}" \
+ -Si cputhrchk 0 ${archselect} \
+ || die "configure failed"
+
+ cd "${S_LAPACK}"
+ # set up the testing routines
+ sed -e "s:g77:${FORTRANC}:" \
+ -e "s:-funroll-all-loops -O3:${FFLAGS} ${BLAS_LIBS}:" \
+ -e "s:LOADOPTS =:LOADOPTS = ${LDFLAGS} ${BLAS_LIBS}:" \
+ -e "s:../../blas\$(PLAT).a:${BLAS_LIBS}:" \
+ -e "s:lapack\$(PLAT).a:SRC/.libs/liblapack.so -Wl,-rpath,${S_LAPACK}/SRC/.libs:" \
+ -e "s:EXT_ETIME$:INT_CPU_TIME:" \
+ make.inc.example > make.inc \
+ || die "Failed to set up make.inc"
+ cd "${S_LAPACK}"
+ econf || die "Failed to configure reference lapack lib"
+}
+
+src_compile() {
+ # build atlas' part of lapack
+ cd "${BLD_DIR}"
+ for d in src/lapack interfaces/lapack/C/src interfaces/lapack/F77/src interfaces/lapack/C2F/src; do
+ cd "${BLD_DIR}"/${d}
+ make lib || die "Failed to make lib in ${d}"
+ done
+
+ cd "${S_LAPACK}"
+ 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} ${LDFLAGS} \
+ "${BLAS_LIBS}" -latlas ${flibs} \
+ -o "${S_LAPACK}"/SRC/liblapack.la *.lo -rpath "${EPREFIX}/${RPATH}" \
+ || die "Failed to create liblapack.la"
+
+ # making pkg-config file
+ sed -e "s:@LIBDIR@:$(get_libdir)/lapack/atlas:" \
+ -e "s:=/usr:=${EPREFIX}/usr:" \
+ -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 "${S_LAPACK}"/SRC
+ ../libtool --mode=install cp liblapack.la "${ED}/${RPATH}" \
+ || die "Failed to install lapack-atlas library"
+
+ ESELECT_PROF=atlas
+ eselect lapack add $(get_libdir) "${T}"/eselect.lapack.atlas ${ESELECT_PROF}
+
+ insinto /usr/include/atlas
+ doins "${S}"/include/clapack.h || die "Failed to install clapack.h"
+ dosym atlas/clapack.h /usr/include/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() {
+ local current_lib=$(eselect lapack show | cut -d' ' -f2)
+ # this snippet works around the eselect bug #189942 and makes
+ # sure that users upgrading from a previous lapack-atlas
+ # version pick up the new pkg-config files
+ if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
+ local configfile="${EROOT}"/etc/env.d/lapack/$(get_libdir)/config
+ [[ -e ${configfile} ]] && rm -f ${configfile}
+ eselect lapack set ${ESELECT_PROF}
+ elog "lapack has been eselected to ${ESELECT_PROF}"
+ else
+ elog "Current eselected lapack is ${current_lib}"
+ elog "To use blas ${ESELECT_PROF} implementation, you have to issue (as root):"
+ elog "\t eselect lapack set ${ESELECT_PROF}"
+ fi
+}
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