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