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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit autotools fortran-2 toolchain-funcs
DESCRIPTION="Library of Iterative Solvers for Linear Systems"
HOMEPAGE="https://www.ssisc.org/lis/index.en.html"
SRC_URI="https://www.ssisc.org/lis/dl/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="cpu_flags_x86_fma3 cpu_flags_x86_fma4 cpu_flags_x86_sse2 doc fortran mpi openmp quad saamg static-libs"
RDEPEND="mpi? ( virtual/mpi )"
DEPEND="${RDEPEND}"
PATCHES=( "${FILESDIR}"/${PN}-1.6.2-autotools.patch )
pkg_setup() {
if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
if ! tc-has-openmp; then
ewarn "OpenMP is not available in your current selected compiler"
if tc-is-clang; then
ewarn "OpenMP support in sys-devel/clang is provided by sys-libs/libomp,"
ewarn "which you will need to build ${CATEGORY}/${PN} with USE=\"openmp\""
fi
die "need openmp capable compiler"
fi
FORTRAN_NEED_OPENMP=1
fi
use fortran && fortran-2_pkg_setup
}
src_prepare() {
default
eautoreconf
}
src_configure() {
econf \
--enable-shared \
$(use_enable static-libs static) \
$(use_enable fortran) \
$(use_enable openmp omp) \
$(use_enable quad) \
$(use_enable "cpu_flags_x86_fma$(usex cpu_flags_x86_fma3 3 4)" fma) \
$(use_enable cpu_flags_x86_sse2 sse2) \
$(use_enable saamg) \
$(use_enable mpi)
}
src_install() {
use doc && DOCS+=( doc/*.pdf )
default
if ! use static-libs; then
find "${D}" -name '*.la' -delete || die
fi
}
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