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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
FORTRAN_NEEDED=fortran
inherit eutils fortran-2 toolchain-funcs
DESCRIPTION="Parallel matrix preconditioners library"
HOMEPAGE="https://computation.llnl.gov/projects/hypre-scalable-linear-solvers-multigrid-methods"
SRC_URI="https://computation.llnl.gov/casc/hypre/download/${P}.tar.gz"
LICENSE="LGPL-2.1"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="doc examples fortran mpi"
RDEPEND="
sci-libs/superlu:0=
virtual/blas
virtual/lapack
mpi? ( virtual/mpi )"
DEPEND="${RDEPEND}
virtual/pkgconfig"
DOCS=( "${WORKDIR}"/${P}/{CHANGELOG,COPYRIGHT,README} )
S="${WORKDIR}/${P}/src"
src_prepare() {
# link with system superlu and propagate LDFLAGS
sed -i \
-e 's:@LIBS@:@LIBS@ -lsuperlu:' \
-e 's:_SHARED@:_SHARED@ $(LDFLAGS):g' \
config/Makefile.config.in || die
sed -i \
-e '/HYPRE_ARCH/s: = :=:g' \
configure || die
# link with system blas and lapack
sed -i \
-e '/^BLASFILES/d' \
-e '/^LAPACKFILES/d' \
lib/Makefile || die
use mpi && export CC=mpicc CXX=mpicxx FC=mpif77
tc-export CC CXX
}
src_configure() {
local myeconfargs=(
--enable-shared
--without-superlu
--with-blas-libs="$($(tc-getPKG_CONFIG) --libs-only-l blas | sed -e 's/-l//g')"
--with-blas-lib-dirs="$($(tc-getPKG_CONFIG) --libs-only-L blas | sed -e 's/-L//g')"
--with-lapack-libs="$($(tc-getPKG_CONFIG) --libs-only-l lapack | sed -e 's/-l//g')"
--with-lapack-lib-dirs="$($(tc-getPKG_CONFIG) --libs-only-L lapack | sed -e 's/-L//g')"
$(use_enable fortran)
$(use_with mpi MPI)
)
econf "${myeconfargs[@]}"
}
src_install() {
dolib.so hypre/lib/lib*
insinto /usr/include/hypre
doins -r hypre/include/*
use doc && dodoc "${WORKDIR}"/${P}/docs/*.pdf
if use examples; then
insinto /usr/share/doc/${PF}
doins -r examples
fi
}
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