88 lines
2.8 KiB
Bash
88 lines
2.8 KiB
Bash
# Copyright 1999-2010 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/sci-libs/gsl/gsl-1.13-r2.ebuild,v 1.2 2010/08/09 09:32:55 xarthisius Exp $
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EAPI="3"
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inherit eutils flag-o-matic autotools
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DESCRIPTION="The GNU Scientific Library"
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HOMEPAGE="http://www.gnu.org/software/gsl/"
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SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
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LICENSE="GPL-3"
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SLOT="0"
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KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd ~x86-interix ~amd64-linux ~x86-linux ~x86-macos ~sparc-solaris ~x86-solaris"
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IUSE="cblas-external"
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RDEPEND="cblas-external? ( virtual/cblas )"
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DEPEND="${RDEPEND}
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app-admin/eselect-cblas
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dev-util/pkgconfig"
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pkg_setup() {
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ESELECT_PROF="gsl"
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# prevent to use external cblas from a previously installed gsl
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local current_lib=$(eselect cblas show | cut -d' ' -f2)
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if use cblas-external && [[ ${current_lib} == gsl ]]; then
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ewarn "USE flag cblas-external is set: linking gsl with an external cblas."
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ewarn "However the current selected external cblas is gsl."
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ewarn "Please install and/or eselect another cblas"
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die "Circular gsl dependency"
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fi
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}
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src_prepare() {
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filter-flags -ffast-math
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epatch "${FILESDIR}"/${P}-cblas.patch
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epatch "${FILESDIR}"/${P}-cblas-vars.patch
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eautoreconf
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cp "${FILESDIR}"/eselect.cblas.gsl "${T}"/
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sed -i -e "s:/usr:${EPREFIX}/usr:" "${T}"/eselect.cblas.gsl || die
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if [[ ${CHOST} == *-darwin* ]] ; then
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sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
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"${T}"/eselect.cblas.gsl || die
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fi
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}
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src_configure() {
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if use cblas-external; then
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export CBLAS_LIBS="$(pkg-config --libs cblas)"
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export CBLAS_CFLAGS="$(pkg-config --cflags cblas)"
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fi
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econf $(use_with cblas-external cblas)
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}
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src_install() {
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emake install DESTDIR="${D}" || die "emake install failed."
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dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
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# take care of pkgconfig file for cblas implementation.
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sed -e "s/@LIBDIR@/$(get_libdir)/" \
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-e "s/@PV@/${PV}/" \
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-e "/^prefix=/s:=:=${EPREFIX}:" \
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-e "/^libdir=/s:=:=${EPREFIX}:" \
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"${FILESDIR}"/cblas.pc.in > cblas.pc \
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|| die "sed cblas.pc failed"
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insinto /usr/$(get_libdir)/blas/gsl
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doins cblas.pc || die "installing cblas.pc failed"
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eselect cblas add $(get_libdir) "${T}"/eselect.cblas.gsl \
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${ESELECT_PROF}
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}
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pkg_postinst() {
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local p=cblas
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local current_lib=$(eselect ${p} show | cut -d' ' -f2)
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if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
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# work around eselect bug #189942
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local configfile="${EROOT}"/etc/env.d/${p}/$(get_libdir)/config
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[[ -e ${configfile} ]] && rm -f ${configfile}
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eselect ${p} set ${ESELECT_PROF}
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elog "${p} has been eselected to ${ESELECT_PROF}"
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else
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elog "Current eselected ${p} is ${current_lib}"
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elog "To use ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
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elog "\t eselect ${p} set ${ESELECT_PROF}"
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fi
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}
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