# Copyright 1999-2007 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/sci-libs/blas-atlas/blas-atlas-3.7.34.ebuild,v 1.1 2007/07/24 16:17:58 markusle Exp $ inherit eutils toolchain-funcs fortran 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}-${PV}-shared-libs.patch.bz2" LICENSE="BSD" SLOT="0" KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86" IUSE="doc" RDEPEND="app-admin/eselect-blas app-admin/eselect-cblas" DEPEND="${RDEPEND} >=sys-devel/libtool-1.5" PROVIDE="virtual/blas" S="${WORKDIR}/ATLAS" BLD_DIR="${S}/gentoo-build" RPATH="${DESTTREE}/$(get_libdir)/blas" FORTRAN="g77 gfortran" pkg_setup() { 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}"/${MY_PN}-${PV}-shared-libs.patch.bz2 epatch "${FILESDIR}"/${MY_PN}-asm-gentoo.patch # make sure shared libs link against proper libraries if [[ ${FORTRANC} == "gfortran" ]]; then libs="${LDFLAGS} -lpthread -lgfortran" else libs="${LDFLAGS} -lpthread -lg2c" fi #increase amount of workspace to improve threaded performance sed -e "s:16777216:167772160:" -i include/atlas_lvl3.h || die "Failed to fix ATL_MaxMalloc" sed -e "s:SHRD_LNK:${libs}:g" -i Make.top || \ die "Failed to add addtional libs to shared object build" sed -e "s:= gcc:= $(tc-getCC) ${CFLAGS}:" \ -i CONFIG/src/SpewMakeInc.c || die "Failed to fix Spewmake" mkdir ${BLD_DIR} || die "failed to generate build directory" cp "${FILESDIR}"/war ${BLD_DIR} && chmod a+x ${BLD_DIR}/war || \ die "failed to install war" # force proper 32/64bit libs local archselect if [[ "${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" } src_compile() { cd ${BLD_DIR} emake -j1 || die "make failed" make shared-strip RPATH=${RPATH}/atlas || \ die "failed to build shared libraries" # build shared libraries of threaded libraries if applicable if [ -d gentoo/libptf77blas.a ]; then make ptshared-strip RPATH=${RPATH}/threaded-atlas || \ die "failed to build threaded shared libraries" fi } src_install () { dodir "${RPATH}"/atlas cd ${BLD_DIR}/gentoo/libs cp -P libatlas* "${D}/${DESTTREE}/$(get_libdir)" || \ die "Failed to install libatlas" cp -P *blas* "${D}/${RPATH}"/atlas || \ die "Failed to install blas/cblas" eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas atlas eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas atlas if [ -d ${BLD_DIR}/gentoo/threaded-libs ] then dodir "${RPATH}"/threaded-atlas cd ${BLD_DIR}/gentoo/threaded-libs cp -P * "${D}/${RPATH}"/threaded-atlas || \ die "Failed to install threaded atlas" eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas-threaded threaded-atlas eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas-threaded threaded-atlas fi insinto "${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}" dodoc README doc/{AtlasCredits.txt,ChangeLog} use doc && dodoc doc/*.ps } pkg_postinst() { local THREADED if [ -d "${RPATH}"/threaded-atlas ] then THREADED="threaded-" fi if [[ -z "$(eselect blas show)" ]]; then eselect blas set ${THREADED}atlas fi if [[ -z "$(eselect cblas show)" ]]; then eselect cblas set ${THREADED}atlas fi elog elog "Fortran users link using -lblas" elog elog "C users compile against the header ${ROOT}usr/include/atlas/cblas.h and" elog "link using -lcblas" elog elog "If using threaded ATLAS, you may also need to link with -lpthread." elog elog "Configuration now uses eselect rather than blas-config." }