# Copyright 2013-2021 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)
class Entt(CMakePackage):
    """EnTT is a header-only, tiny and easy to use library for game
    programming and much more written in modern C++, mainly known for its
    innovative entity-component-system (ECS) model.
    """

    homepage = "https://entt.docsforge.com"
    url = "https://github.com/skypjack/entt/archive/v3.5.2.tar.gz"

    version('3.5.2', sha256='f9271293c44518386c402c9a2188627819748f66302df48af4f6d08e30661036')

    depends_on('cmake@3.7.0:', type='build')
    depends_on('doxygen@1.8.0:', type='build')

    # TODO: This list is not comprehensive, we might want to extend it later
    compiler_warning = 'EnTT requires a compiler with support for C++17'
    conflicts('%apple-clang@:10.1', msg=compiler_warning)
    conflicts('%clang@:6', msg=compiler_warning)
    conflicts('%gcc@:7.1', msg=compiler_warning)

    def cmake_args(self):
        return [
            '-DBUILD_DOCS=ON'
        ]