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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/gsl/gsl-1.9-r1.ebuild,v 1.4 2008/01/09 16:15:02 jer Exp $
inherit eutils flag-o-matic toolchain-funcs autotools
DESCRIPTION="The GNU Scientific Library"
HOMEPAGE="http://www.gnu.org/software/gsl/"
SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha amd64 ~hppa ~ia64 ~mips ppc ppc64 sparc x86 ~x86-fbsd"
IUSE=""
RDEPEND="app-admin/eselect-cblas"
DEPEND="${RDEPEND}"
pkg_setup() {
# icc-10.0.025 did not pass some tests
if [[ $(tc-getCC) == icc ]]; then
eerror "icc known to fail tests. Revert to safer gcc and re-emerge."
die "gsl does not work when compiled with icc"
fi
}
src_unpack() {
unpack ${A}
cd "${S}"
# fix for as-needed
epatch "${FILESDIR}"/gsl-1.6-deps.diff
eautoreconf
}
src_compile() {
replace-cpu-flags k6 k6-2 k6-3 i586
filter-flags -ffast-math
econf || die "econf failed"
emake || die 'emake failed.'
}
src_install() {
emake install DESTDIR="${D}" || die "emake install failed."
dodoc AUTHORS BUGS ChangeLog NEWS README SUPPORT \
THANKS TODO || die "dodoc failed"
# take care of pkgconfig file for cblas implementation.
sed -e "s/@LIBDIR@/$(get_libdir)/" \
-e "s/@PV@/${PV}/" \
"${FILESDIR}"/cblas.pc.in > cblas.pc \
|| die "sed cblas.pc failed"
insinto /usr/$(get_libdir)/blas/gsl
doins cblas.pc || die "installing cblas.pc failed"
ESELECT_PROF=gsl
eselect cblas add $(get_libdir) "${FILESDIR}"/eselect.cblas.gsl ${ESELECT_PROF}
}
pkg_postinst() {
local p=cblas
local current_lib=$(eselect ${p} show | cut -d' ' -f2)
if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
# work around eselect bug #189942
local configfile="${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_lib}"
elog "To use ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
elog "\t eselect ${p} set ${ESELECT_PROF}"
fi
}
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