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# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack import *
from spack.pkg.builtin.boost import Boost


class Ethminer(CMakePackage):
    """The ethminer is an Ethereum GPU mining worker."""

    homepage = "https://github.com/ethereum-mining/ethminer"
    url = "https://github.com/ethereum-mining/ethminer/archive/v0.12.0.tar.gz"

    version('0.12.0', sha256='71122c8aa1be2c29e46d7f07961fa760b1eb390e4d9a2a21cf900f6482a8755a')

    variant('opencl', default=True, description='Enable OpenCL mining.')
    variant('cuda', default=False, description='Enable CUDA mining.')
    variant('stratum', default=True,
            description='Build with Stratum protocol support.')

    depends_on('python')

    # TODO: replace this with an explicit list of components of Boost,
    # for instance depends_on('boost +filesystem')
    # See https://github.com/spack/spack/pull/22303 for reference
    depends_on(Boost.with_default_variants)
    depends_on('json-c')
    depends_on('curl')
    depends_on('zlib')
    depends_on('cuda', when='+cuda')
    depends_on('mesa', when='+opencl')

    def cmake_args(self):
        return [
            self.define_from_variant('ETHASHCL', 'opencl'),
            self.define_from_variant('ETHASHCUDA', 'cuda'),
            self.define_from_variant('ETHSTRATUM', 'stratum')
        ]