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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit cmake toolchain-funcs
DESCRIPTION="Parallel (MPI) unstructured graph partitioning library"
HOMEPAGE="http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview"
SRC_URI="http://glaros.dtc.umn.edu/gkhome/fetch/sw/${PN}/${P}.tar.gz"
LICENSE="all-rights-reserved"
SLOT="0"
KEYWORDS="amd64 arm64 x86 ~amd64-linux ~x86-linux"
IUSE="doc examples openmp pcre"
RESTRICT="mirror bindist"
DEPEND=">=sci-libs/metis-5.1.0-r5
virtual/mpi[fortran]
pcre? ( dev-libs/libpcre:= )"
RDEPEND="${DEPEND}
!<sci-libs/metis-5.1.0-r5"
PATCHES=(
"${FILESDIR}"/${PN}-4.0.3-01-cmake-paths.patch
"${FILESDIR}"/${PN}-4.0.3-02-unbundle-metis.patch
)
pkg_pretend() {
[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
}
pkg_setup() {
[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
}
src_prepare() {
export CC=mpicc CXX=mpicxx
cmake_src_prepare
}
src_configure() {
local mycmakeargs=(
-DGKLIB_PATH="${S}/metis/GKlib"
-DGKRAND=ON
-DMETIS_PATH="${EPREFIX}/usr"
-DOPENMP=$(usex openmp)
-DPCRE=$(usex pcre)
-DSHARED=ON
)
cmake_src_configure
}
src_install() {
cmake_src_install
dodoc Changelog
use doc && dodoc manual/manual.pdf
if use examples; then
docinto examples
dodoc -r Graphs programs
fi
cat > ${PN}.pc <<-EOF
prefix=${EPREFIX}/usr
libdir=\${prefix}/$(get_libdir)
includedir=\${prefix}/include
Name: ${PN}
Description: ${DESCRIPTION}
Version: ${PV}
URL: ${HOMEPAGE}
Libs: -L\${libdir} -l${PN}
Cflags: -I\${includedir}/${PN}
Requires: metis
EOF
insinto /usr/$(get_libdir)/pkgconfig
doins ${PN}.pc
}
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