# Copyright 1999-2008 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/sci-libs/blas-atlas/blas-atlas-3.8.1.ebuild,v 1.4 2008/04/21 15:59:34 bicatali Exp $ inherit eutils toolchain-funcs fortran 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}-${PATCH_V}-shared-libs.patch.bz2" LICENSE="BSD" SLOT="0" KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86" IUSE="doc" RDEPEND="app-admin/eselect-blas app-admin/eselect-cblas doc? ( app-doc/blas-docs )" DEPEND="app-admin/eselect-blas app-admin/eselect-cblas >=sys-devel/libtool-1.5" S="${WORKDIR}/ATLAS" pkg_setup() { # 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 FORTRAN="g77 gfortran ifc" fortran_pkg_setup 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 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 ../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:--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 [[ ${FORTRANC} == gfortran ]] && extlibs="${extlibs} -lgfortran" [[ ${FORTRANC} == g77 ]] && extlibs="${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 }