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# Copyright 2013-2020 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 *
class Openglu(Package):
"""Placeholder for external OpenGL utility library (GLU) from hardware
vendors"""
homepage = "https://www.opengl.org/resources/libraries"
provides('glu@:1.3', when='@1.3:')
provides('glu@:1.2', when='@1.2:')
provides('glu@:1.1', when='@1.1:')
provides('glu@:1.0', when='@1.0:')
# Override the fetcher method to throw a useful error message;
# fixes an issue similar to Github issue (#7061), in which the
# opengl package threw a generic, uninformative error message
# during the `fetch` step
@property
def fetcher(self):
msg = """This package is intended to be a placeholder for
system-provided OpenGL utility (GLU) libraries from hardware vendors.
Please download and install the GLU drivers/libraries for your
graphics hardware separately, and then set that up as an external
package. An example of a working packages.yaml:
packages:
openglu:
buildable: False
externals:
- spec: openglu@1.3
prefix: /opt/opengl
In that case, /opt/opengl/ should contain these two folders:
include/GL/ (opengl headers, including "glu.h")
lib (opengl libraries, including "libGLU.so")
On Apple Darwin (OS X, macOS) systems, this package is
normally installed as part of the XCode Command Line Tools in
/usr/X11R6, so a working packages.yaml would be
packages:
openglu:
buildable: False
externals:
- spec: openglu@1.3
prefix: /usr/X11R6
In that case, /usr/X11R6 should contain
include/GL (GLU headers, including "glu.h")
lib (GLU libraries, including "libGLU.dylib")"""
raise InstallError(msg)
@property
def libs(self):
return find_libraries(
'libGLU', self.prefix, shared=True, recursive=True)
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