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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{8..10} )
inherit cmake python-single-r1
MY_P=${PN}$(ver_cut 1)-v$(ver_cut 2-4)
case ${PV} in
*_beta*)
MY_P+=.b$(printf %02d $(ver_cut 5))
DOCS="ReleaseNotes/Beta.$(ver_cut 2-3)-*.txt"
;;
*)
if [[ $(ver_cut 4) -gt 0 ]]; then
MY_P+=.p$(printf %02d $(ver_cut 4))
DOCS="ReleaseNotes/Patch.$(ver_cut 2-3)-*.txt"
fi
HTML_DOCS="ReleaseNotes/ReleaseNotes.$(ver_cut 2-3).html"
;;
esac
DESCRIPTION="Toolkit for simulation of passage of particles through matter"
HOMEPAGE="https://geant4.web.cern.ch/"
SRC_URI="https://geant4-data.web.cern.ch/geant4-data/releases/${MY_P}.tar.gz"
LICENSE="geant4"
SLOT="4"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="+c++17 c++20 +data debug doc examples freetype gdml geant3 hdf5 inventor motif opengl
python qt5 raytracerx static-libs tbb threads vtk"
REQUIRED_USE="
^^ ( c++17 c++20 )
inventor? ( opengl )
motif? ( opengl )
python? ( ${PYTHON_REQUIRED_USE} )
qt5? ( opengl )
tbb? ( threads )
vtk? ( qt5 )
"
RDEPEND="
dev-libs/expat
>=sci-physics/clhep-2.4.5.1:2=[threads?]
data? ( ~sci-physics/geant-data-${PV} )
doc? ( app-doc/geant-docs )
gdml? ( dev-libs/xerces-c )
hdf5? ( sci-libs/hdf5[threads?] )
inventor? ( media-libs/SoXt )
motif? ( x11-libs/motif:0 )
opengl? ( virtual/opengl )
python? (
${PYTHON_DEPS}
$(python_gen_cond_dep '
dev-libs/boost:=[${PYTHON_USEDEP}]
')
)
qt5? (
dev-qt/qt3d:5
dev-qt/qtcore:5
dev-qt/qtgui:5
dev-qt/qtprintsupport:5
dev-qt/qtwidgets:5
opengl? ( dev-qt/qtopengl:5 )
)
raytracerx? (
x11-libs/libX11
x11-libs/libXmu
)
vtk? (
sci-libs/vtk:=[qt5]
)"
S="${WORKDIR}/${MY_P}"
src_configure() {
local mycmakeargs=(
-DCMAKE_INSTALL_DATADIR="${EPREFIX}/usr/share/geant4"
-DCMAKE_CXX_STANDARD=$( (usev c++17 || usev c++20) | cut -c4-)
-DGEANT4_BUILD_BUILTIN_BACKTRACE=$(usex debug)
-DGEANT4_BUILD_MULTITHREADED=$(usex threads)
-DGEANT4_BUILD_STORE_TRAJECTORY=OFF
-DGEANT4_BUILD_TLS_MODEL=$(usex threads global-dynamic initial-exec)
-DGEANT4_BUILD_VERBOSE_CODE=$(usex debug)
-DGEANT4_INSTALL_DATA=OFF
-DGEANT4_INSTALL_DATADIR="${EPREFIX}/usr/share/geant4/data"
-DGEANT4_INSTALL_EXAMPLES=$(usex examples)
-DGEANT4_INSTALL_PACKAGE_CACHE=OFF
-DGEANT4_USE_FREETYPE=$(usex freetype)
-DGEANT4_USE_G3TOG4=$(usex geant3)
-DGEANT4_USE_GDML=$(usex gdml)
-DGEANT4_USE_HDF5=$(usex hdf5)
-DGEANT4_USE_INVENTOR=$(usex inventor)
-DGEANT4_USE_OPENGL_X11=$(usex opengl)
-DGEANT4_USE_PYTHON=$(usex python)
-DGEANT4_USE_QT=$(usex qt5)
-DGEANT4_USE_RAYTRACER_X11=$(usex raytracerx)
-DGEANT4_USE_SYSTEM_CLHEP=ON
-DGEANT4_USE_SYSTEM_EXPAT=ON
-DGEANT4_USE_SYSTEM_ZLIB=ON
-DGEANT4_USE_TBB=$(usex tbb)
-DGEANT4_USE_XM=$(usex motif)
-DGEANT4_USE_VTK=$(usex vtk)
-DBUILD_STATIC_LIBS=$(usex static-libs)
)
if use python; then
mycmakeargs+=(
-DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
-DCMAKE_INSTALL_PYTHONDIR="${EPREFIX}/usr/lib/${EPYTHON}/site-packages"
)
fi
[ -v EXTRA_ECONF ] && mycmakeargs+=( ${EXTRA_ECONF} )
cmake_src_configure
}
src_install() {
# adjust clhep linking flags for system clhep
# binmake.gmk is only useful for legacy build systems
sed -i -e 's/-lG4clhep/-lCLHEP/' config/binmake.gmk || die
cmake_src_install
use python && python_optimize
rm "${ED}"/usr/bin/*.{sh,csh} || die "failed to remove obsolete shell scripts"
einstalldocs
}
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