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##############################################################################
# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/spack/spack
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from spack import *
class Opengl(Package):
"""Placeholder for external OpenGL libraries from hardware vendors"""
homepage = "https://www.opengl.org/"
provides('gl@:4.5', when='@4.5:')
provides('gl@:4.4', when='@4.4:')
provides('gl@:4.3', when='@4.3:')
provides('gl@:4.2', when='@4.2:')
provides('gl@:4.1', when='@4.1:')
provides('gl@:3.3', when='@3.3:')
# Override the fetcher method to throw a useful error message;
# fixes GitHub issue (#7061) in which this package threw a
# generic, uninformative error during the `fetch` step,
@property
def fetcher(self):
msg = """This package is intended to be a placeholder for
system-provided OpenGL libraries from hardware vendors. Please
download and install OpenGL drivers/libraries for your graphics
hardware separately, and then set that up as an external package.
An example of a working packages.yaml:
packages:
opengl:
paths:
opengl@4.5.0: /opt/opengl
buildable: False
In that case, /opt/opengl/ should contain these two folders:
include/GL/ (opengl headers, including "gl.h")
lib (opengl libraries, including "libGL.so")
On Apple Darwin (e.g., 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:
opengl:
paths:
opengl@4.1: /usr/X11R6
buildable: False
In that case, /usr/X11R6 should contain
include/GL/ (OpenGL headers, including "gl.h")
lib (OpenGL libraries, including "libGL.dylib")
On OS X/macOS, note that the version of OpenGL provided
depends on your hardware. Look at
https://support.apple.com/en-us/HT202823 to see what version
of OpenGL your Mac uses."""
raise InstallError(msg)
@property
def libs(self):
for dir in ['lib64', 'lib']:
libs = find_libraries('libGL', join_path(self.prefix, dir),
shared=True, recursive=False)
if libs:
return libs
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