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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)
import sys
from spack.package import *
class Glew(CMakePackage):
"""The OpenGL Extension Wrangler Library."""
homepage = "http://glew.sourceforge.net/"
url = "https://github.com/nigels-com/glew/releases/download/glew-2.1.0/glew-2.1.0.tgz"
root_cmakelists_dir = "build/cmake"
version('2.2.0', sha256='d4fc82893cfb00109578d0a1a2337fb8ca335b3ceccf97b97e5cc7f08e4353e1')
version('2.1.0', sha256='04de91e7e6763039bc11940095cd9c7f880baba82196a7765f727ac05a993c95')
version('2.0.0', sha256='c572c30a4e64689c342ba1624130ac98936d7af90c3103f9ce12b8a0c5736764')
variant('gl',
default='glx' if sys.platform.startswith('linux') else 'other',
values=('glx', 'osmesa', 'other'), multi=False,
description='The OpenGL provider to use')
conflicts('osmesa', when='gl=glx')
conflicts('osmesa', when='gl=other')
conflicts('glx', when='gl=osmesa')
conflicts('glx', when='gl=other')
depends_on('gl')
depends_on('osmesa', when='gl=osmesa')
depends_on('glx', when='gl=glx')
depends_on('libx11', when='gl=glx')
depends_on('xproto', when='gl=glx')
# glu is already forcibly disabled in the CMakeLists.txt. This prevents
# it from showing up in the .pc file
patch('remove-pkgconfig-glu-dep.patch')
def cmake_args(self):
spec = self.spec
args = [
self.define('BUILD_UTILS', True),
self.define('GLEW_REGAL', False),
self.define('GLEW_EGL', False),
self.define('OpenGL_GL_PREFERENCE', 'LEGACY'),
self.define('OPENGL_INCLUDE_DIR', spec['gl'].headers.directories[0]),
self.define('OPENGL_gl_LIBRARY', spec['gl'].libs[0]),
self.define('OPENGL_opengl_LIBRARY', 'IGNORE'),
self.define('OPENGL_glx_LIBRARY', 'IGNORE'),
self.define('OPENGL_egl_LIBRARY', 'IGNORE'),
self.define('OPENGL_glu_LIBRARY', 'IGNORE'),
self.define('GLEW_OSMESA', 'gl=osmesa' in spec),
self.define('GLEW_X11', 'gl=glx' in spec),
self.define('CMAKE_DISABLE_FIND_PACKAGE_X11', 'gl=glx' not in spec),
]
return args
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