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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10,11} )
inherit cmake desktop python-single-r1 xdg
DESCRIPTION="Automatic 3d tetrahedral mesh generator"
HOMEPAGE="https://ngsolve.org/ https://github.com/NGSolve/netgen"
SRC_URI="https://github.com/NGSolve/netgen/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
SLOT="0"
LICENSE="LGPL-2.1"
KEYWORDS="amd64 ~x86"
IUSE="ffmpeg gui jpeg logging mpi opencascade python test"
RESTRICT="!test? ( test )"
REQUIRED_USE="
${PYTHON_REQUIRED_USE}
ffmpeg? ( gui )
jpeg? ( gui )
python? ( gui )
"
DEPEND="
sys-libs/zlib
ffmpeg? ( media-video/ffmpeg:= )
gui? (
dev-lang/tcl:0/8.6
dev-lang/tk:0/8.6
media-libs/glu
virtual/opengl
x11-libs/libX11
x11-libs/libXmu
x11-libs/libxcb:=
)
jpeg? ( media-libs/libjpeg-turbo:0= )
logging? ( dev-libs/spdlog:= )
mpi? (
sci-libs/metis
virtual/mpi
)
opencascade? ( sci-libs/opencascade:= )
python? (
${PYTHON_DEPS}
$(python_gen_cond_dep '
dev-python/pybind11[${PYTHON_USEDEP}]
'
)
mpi? (
$(python_gen_cond_dep 'dev-python/mpi4py[${PYTHON_USEDEP}]' )
)
)
"
RDEPEND="${DEPEND}"
BDEPEND="
sys-apps/lsb-release
virtual/pkgconfig
gui? ( virtual/imagemagick-tools[png] )
test? (
<dev-cpp/catch-3:0
python? ( $(python_gen_cond_dep 'dev-python/pytest[${PYTHON_USEDEP}]') )
)
"
PATCHES=(
"${FILESDIR}/${PN}-6.2.2204-find-Tk-include-directories.patch"
"${FILESDIR}/${PN}-6.2.2204-link-against-ffmpeg.patch"
"${FILESDIR}/${PN}-6.2.2204-use-system-spdlog.patch"
"${FILESDIR}/${PN}-6.2.2204-use-system-catch.patch"
"${FILESDIR}/${PN}-6.2.2204-disable-failing-tests.patch"
"${FILESDIR}/${PN}-6.2.2204-disable-python-tests.patch"
"${FILESDIR}/${PN}-6.2.2301-find-libjpeg-turbo-library.patch"
"${FILESDIR}/${PN}-6.2.2301-fix-nullptr-deref-in-archive.patch"
)
pkg_setup() {
use python && python-single-r1_pkg_setup
}
src_prepare() {
# NOTE: need to manually check and update this string on version bumps!
# git describe --tags --match "v[0-9]*" --long --dirty
cat <<- EOF > "${S}/version.txt" || die
v${PV}-0-g3e52c44a
EOF
cmake_src_prepare
}
src_configure() {
local mycmakeargs=(
# currently not working in a sandbox, expects netgen to be installed
# see https://github.com/NGSolve/netgen/issues/132
-DBUILD_STUB_FILES=OFF
-DENABLE_UNIT_TESTS=$(usex test)
-DINSTALL_PROFILES=OFF
-DNG_INSTALL_DIR_CMAKE="$(get_libdir)/cmake/${PN}"
-DNG_INSTALL_DIR_INCLUDE="include/${PN}"
-DNG_INSTALL_DIR_LIB="$(get_libdir)"
-DUSE_CCACHE=OFF
# doesn't build with this version
-DUSE_CGNS=OFF
-DUSE_GUI=$(usex gui)
-DUSE_INTERNAL_TCL=OFF
-DUSE_JPEG=$(usex jpeg)
-DUSE_MPEG=$(usex ffmpeg)
# respect users -march= choice
-DUSE_NATIVE_ARCH=OFF
-DUSE_MPI=$(usex mpi)
-DUSE_OCC=$(usex opencascade)
-DUSE_PYTHON=$(usex python)
-DUSE_SPDLOG=$(usex logging)
-DUSE_SUPERBUILD=OFF
)
# no need to set this, if we only build the library
if use gui; then
mycmakeargs+=( -DTK_INCLUDE_PATH="/usr/$(get_libdir)/tk8.6/include" )
fi
if use python; then
mycmakeargs+=(
-DPREFER_SYSTEM_PYBIND11=ON
# needed, so the value gets passed to NetgenConfig.cmake instead of ${T}/pythonX.Y
-DPYTHON_EXECUTABLE="${PYTHON}"
)
fi
if use mpi && use python; then
mycmakeargs+=( -DUSE_MPI4PY=ON )
else
mycmakeargs+=( -DUSE_MPI4PY=OFF )
fi
cmake_src_configure
}
src_install() {
cmake_src_install
use python && python_optimize
local NETGENDIR="/usr/share/${PN}"
echo -e "NETGENDIR=${NETGENDIR}" > ./99netgen || die
doenvd 99netgen
if use gui; then
mv "${ED}"/usr/bin/{*.tcl,*.ocf} "${ED}${NETGENDIR}" || die
convert -deconstruct "${S}/windows/${PN}.ico" netgen.png || die
newicon -s 32 "${S}"/${PN}-2.png ${PN}.png
newicon -s 16 "${S}"/${PN}-3.png ${PN}.png
make_desktop_entry ${PN} "Netgen" netgen Graphics
fi
mv "${ED}"/usr/share/${PN}/doc/ng4.pdf "${ED}"/usr/share/doc/${PF} || die
dosym -r /usr/share/doc/${PF}/ng4.pdf /usr/share/${PN}/doc/ng4.pdf
use python || rm -r "${ED}${NETGENDIR}"/py_tutorials || die
}
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