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# Copyright 2013-2023 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"
maintainers("biddisco")
license("GPL-2.0-or-later")
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", "egl", "other"),
multi=False,
description="The OpenGL provider to use",
)
conflicts("^osmesa", when="gl=glx")
conflicts("^osmesa", when="gl=egl")
conflicts("^osmesa", when="gl=other")
conflicts("^glx", when="gl=osmesa")
conflicts("^glx", when="gl=other")
conflicts("^glx", when="gl=egl")
conflicts("^egl", when="gl=glx")
conflicts("^egl", when="gl=osmesa")
conflicts("^egl", 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")
depends_on("egl", when="gl=egl")
# 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", "gl=egl" in spec),
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_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),
]
if "gl=egl" in spec:
args.append(
self.define("OPENGL_egl_LIBRARY", [spec["egl"].libs[0], spec["egl"].libs[1]])
)
else:
args.append(self.define("OPENGL_egl_LIBRARY", "IGNORE"))
return args
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