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# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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PYTHON_COMPAT=( python3_{9..11} )
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DISTUTILS_USE_PEP517=setuptools
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inherit distutils-r1 multiprocessing pypi
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DESCRIPTION="Python wrapper for OpenCL"
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HOMEPAGE="
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https://mathema.tician.de/software/pyopencl/
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https://pypi.org/project/pyopencl/
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"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="amd64 ~ppc64"
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IUSE="examples opengl"
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# Running tests on GPUs requires both appropriate hardware and additional permissions
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# having been granted to the user running them. Testing on CPUs with dev-libs/pocl
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# is in theory possible but has been found to be very fragile, see e.g. Bug #872308.
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RESTRICT="test"
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COMMON=">=virtual/opencl-2"
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# libglvnd is only needed for the headers
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DEPEND="${COMMON}
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opengl? ( media-libs/libglvnd )"
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RDEPEND="${COMMON}
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>=dev-python/mako-0.3.6[${PYTHON_USEDEP}]
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dev-python/numpy[${PYTHON_USEDEP}]
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>=dev-python/platformdirs-2.2.0[${PYTHON_USEDEP}]
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>=dev-python/pytools-2021.2.7[${PYTHON_USEDEP}]"
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BDEPEND="dev-python/numpy[${PYTHON_USEDEP}]
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>=dev-python/pybind11-2.5.0[${PYTHON_USEDEP}]
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test? ( dev-libs/pocl )"
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distutils_enable_tests pytest
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python_configure_all() {
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local myconf=()
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if use opengl; then
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myconf+=(--cl-enable-gl)
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fi
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"${EPYTHON}" configure.py \
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"${myconf[@]}"
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}
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python_test() {
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# Use dev-libs/pocl for testing; ignore any other OpenCL devices that might be present
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local -x PYOPENCL_TEST="portable:pthread"
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# Set the number of threads to match MAKEOPTS
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local -x POCL_MAX_PTHREAD_COUNT=$(makeopts_jobs)
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# Change to the 'test' directory so that python does not try to import pyopencl from the source directory
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# (Importing from the source directory fails, because the compiled '_cl' module is only in the build directory)
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pushd test >/dev/null || die
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epytest
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popd >/dev/null || die
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}
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python_install_all() {
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if use examples; then
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dodoc -r examples
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docompress -x /usr/share/doc/${PF}/examples
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fi
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distutils-r1_python_install_all
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}
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