# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake
MY_PN="openEMS"
DESCRIPTION="Free and open electromagnetic field solver using the FDTD method"
HOMEPAGE="https://openems.de https://github.com/thliebig/openEMS"
SRC_URI="https://github.com/thliebig/${MY_PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/${MY_PN}-${PV}"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64 ~arm64"
IUSE="mpi"
RDEPEND="
dev-libs/boost:=
dev-libs/tinyxml
sci-libs/csxcad
sci-libs/fparser
sci-libs/hdf5:=[mpi=]
sci-libs/vtk:=
mpi? ( virtual/mpi )
"
DEPEND="${RDEPEND}"
src_prepare() {
# Boost >=1.69 made the system library header-only; drop it from the
# component list so find_package(Boost) succeeds on modern Boost.
sed -i -e '/^[[:space:]]*system$/d' CMakeLists.txt || die
cmake_src_prepare
}
src_configure() {
local mycmakeargs=(
-DBoost_NO_BOOST_CMAKE=ON
-DWITH_MPI=$(usex mpi)
)
cmake_src_configure
}