# Copyright 1999-2006 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/sci-libs/lapack-atlas/lapack-atlas-3.7.11-r1.ebuild,v 1.3 2006/08/04 13:37:50 markusle Exp $ inherit eutils flag-o-matic toolchain-funcs fortran DESCRIPTION="Full LAPACK implementation using available ATLAS routines" LICENSE="BSD" HOMEPAGE="http://math-atlas.sourceforge.net/" MY_PN="${PN/lapack-/}" SRC_URI1="mirror://sourceforge/math-atlas/${MY_PN}${PV}.tar.bz2" SRC_URI2="http://www.netlib.org/lapack/lapack.tgz" SRC_URI="${SRC_URI1} ${SRC_URI2} mirror://gentoo/lapack-20020531-20021004.patch.bz2 mirror://gentoo/lapack-gentoo.patch mirror://gentoo/${MY_PN}3.6.0-shared-libs.3.patch.bz2" SLOT="0" IUSE="ifc doc" KEYWORDS="~alpha ~amd64 ~ia64 ~ppc ~ppc64 ~sparc ~x86" RDEPEND="virtual/libc app-admin/eselect-lapack virtual/blas ifc? ( dev-lang/ifc )" # Need Intel runtime libraries DEPEND="${RDEPEND} >=sys-devel/libtool-1.5 ~sci-libs/blas-atlas-3.7.11" PROVIDE="virtual/lapack" FORTRAN="g77 gfortran ifc" S="${WORKDIR}/ATLAS" S_LAPACK="${WORKDIR}/LAPACK" TOP_PATH="${DESTTREE}/$(get_libdir)/lapack" # Path where libraries will be installed: RPATH="${TOP_PATH}/atlas" ifc_info() { if [ -z "${IFCFLAGS}" ] then einfo einfo "You may want to set some ifc optimization flags by running this" einfo "ebuild as, for example:" einfo einfo "IFCFLAGS=\"-O3 -tpp7 -xW\" emerge lapack-atlas" einfo "(Pentium 4 exclusive optimizations)." einfo einfo "ifc defaults to -O2, with code tuned for Pentium 4, but that" einfo "will run on any processor." einfo einfo "Beware that ifc's -O3 is very aggressive, sometimes resulting in" einfo "significantly worse performance." einfo fi } src_unpack() { use ifc && ifc_info unpack ${A} cd "${WORKDIR}" epatch "${FILESDIR}"/unbuffered.patch epatch "${FILESDIR}"/${PV}-allow-any-gcc-version.patch epatch "${DISTDIR}"/atlas3.6.0-shared-libs.3.patch.bz2 epatch "${DISTDIR}"/lapack-20020531-20021004.patch.bz2 epatch "${DISTDIR}"/lapack-gentoo.patch cp "${FILESDIR}"/war "${S}" chmod a+x "${S}"/war einfo "Making ${PN} respect compiler settings" sed -i \ -e "s:\(\t./xconfig\):\1 -m $(tc-getCC) -c $(tc-getCC) -f ${FORTRANC}:g" \ ${S}/Makefile \ || die "Failed to fix compilers" if [[ $(gcc-major-version) -ge 4 ]]; then einfo "Updating Makefiles for gcc-4" sed -i \ -e "s:g2c:gfortran:g" \ ${S}/Make.top \ ${S}/makes/Make.lib \ || die "Failed to update for gcc-4" fi # make sure shared libs link against proper libraries if [[ ${FORTRANC} == "gfortran" ]]; then libs="-lpthread -lgfortran" else libs="-lpthread -lg2c" fi sed -e "s/SHRD_LNK/${libs}/g" -i ${S}/Make.top || \ die "Failed to add addtional libs to shared object build" } atlas_fail() { eerror eerror "ATLAS auto-config failed." eerror "Please run 'interactive=1 emerge lapack-atlas' to configure" eerror "manually." eerror die "ATLAS auto-config failed." } src_compile() { cd "${S}" if [ -n "${interactive}" ]; then echo "${interactive}" make config CC="$(tc-getCC) -DUSE_LIBTOOL -DINTERACTIVE" || die else # Use ATLAS defaults for all questions: (echo | make config CC="$(tc-getCC) -DUSE_LIBTOOL") || atlas_fail fi TMPSTR=$(ls Make.Linux*) ATLAS_ARCH=${TMPSTR#'Make.'} GENTOO_CC="libtool --mode=compile --tag=CC $(tc-getCC) -I/usr/include/atlas" cd "${S}"/src/lapack/${ATLAS_ARCH} make lib CC="${GENTOO_CC}" \ || die "Failed to make lib in ${S}/src/lapack/${ATLAS_ARCH}" cd "${S}"/interfaces/lapack/C/src/${ATLAS_ARCH} make lib CC="${GENTOO_CC}" \ || die "Failed to make lib in ${S}/interfaces/lapack/C/src/${ATLAS_ARCH}" cd "${S}"/interfaces/lapack/F77/src/${ATLAS_ARCH} make lib CC="${GENTOO_CC}" F77="libtool --mode=compile --tag=F77 ${FORTRANC}" \ || die "Failed to make lib in ${S}/interfaces/lapack/F77/src/${ATLAS_ARCH}" cd "${S_LAPACK}" if use ifc; then FFLAGS="${IFCFLAGS}" NOOPT="-O0" # Do NOT change this. It is applied to two files with # routines to determine machine constants. else # g77 hates opts, esp. machine-specific ALLOWED_FLAGS="-O -O1 -O2 -fstack-protector -fno-unit-at-a-time \ -pipe -g -Wall" strip-flags FFLAGS="${CFLAGS}" NOOPT="" fi make lapacklib FORTRAN="libtool --mode=compile --tag=F77 ${FORTRANC}" OPTS="${FFLAGS}" \ NOOPT="${NOOPT}" || die "Failed to make lapacklib" cd "${S_LAPACK}"/SRC einfo "Copying liblapack.a/*.o to ${S_LAPACK}/SRC" cp -sf "${S}"/gentoo/liblapack.a/*.o . einfo "Copying liblapack.a/*.lo to ${S_LAPACK}/SRC" cp -sf "${S}"/gentoo/liblapack.a/*.lo . einfo "Copying liblapack.a/.libs/*.o to ${S_LAPACK}/SRC" cp -sf "${S}"/gentoo/liblapack.a/.libs/*.o .libs/ local FORTRANLIB if [[ $(gcc-major-version) -ge 4 ]]; then FORTRANLIB="-lgfortran" else FORTRANLIB="-lg2c" fi einfo "Fortran library is ${FORTRANLIB}" if use ifc; then ${FORTRANC} ${FFLAGS} -shared .libs/*.o -Wl,-soname -Wl,liblapack.so.0 \ -o liblapack.so.0.0.0 -lblas -lcblas -latlas \ -L$(gcc-config -L) ${FORTRANLIB} \ || die "Failed to create liblapack.so.0.0.0" ar cru liblapack.a *.o || die "Failed to create liblapack.a" ranlib liblapack.a || die "Failed to prepare liblapack.a" else libtool --mode=link --tag=CC $(tc-getCC) -o liblapack.la *.lo \ -rpath "${RPATH}" -lblas -lcblas -latlas ${FORTRANLIB} \ || die "Failed to create liblapack.la" fi } src_install () { dodir "${RPATH}" cd "${S_LAPACK}"/SRC if use ifc; then strip --strip-unneeded liblapack.so.0.0.0 || die strip --strip-debug liblapack.a || die exeinto "${RPATH}" doexe liblapack.so.0.0.0 || die dosym liblapack.so.0.0.0 ${RPATH}/liblapack.so.0 || die dosym liblapack.so.0.0.0 ${RPATH}/liblapack.so || die insinto "${RPATH}" doins liblapack.a || die else libtool --mode=install install -s liblapack.la "${D}/${RPATH}" || die fi eselect lapack add $(get_libdir) ${FILESDIR}/eselect.lapack atlas insinto /usr/include/atlas cd "${S}"/include doins clapack.h || die cd "${S}" dodoc README || die cd "${S}"/doc dodoc AtlasCredits.txt ChangeLog || die if use doc; then dodoc lapackqref.ps || die fi } pkg_postinst() { if [[ -z "$(eselect lapack show)" ]]; then eselect lapack set atlas fi einfo einfo "To link with ATLAS LAPACK from C or Fortran, simply use:" einfo einfo "-llapack" einfo einfo "C users: your header is /usr/include/atlas/clapack.h" einfo }