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-# F I N D G L . C M A K E
-# BRL-CAD
-#
-# Copyright (c) 2001-2013 United States Government as represented by
-# the U.S. Army Research Laboratory.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials provided
-# with the distribution.
-#
-# 3. The name of the author may not be used to endorse or promote
-# products derived from this software without specific prior written
-# permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
-# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-###
-# - Try to find OpenGL
-# Once done this will define
-#
-# OPENGL_FOUND - system has OpenGL
-# OPENGL_XMESA_FOUND - system has XMESA
-# OPENGL_GLU_FOUND - system has GLU
-# OPENGL_INCLUDE_DIR_GL - the GL include directory
-# OPENGL_INCLUDE_DIR_GLX - the GLX include directory
-# OPENGL_LIBRARIES - Link these to use OpenGL and GLU
-#
-# If you want to use just GL you can use these values
-# OPENGL_gl_LIBRARY - Path to OpenGL Library
-# OPENGL_glu_LIBRARY - Path to GLU Library
-#
-# Define controlling option OPENGL_USE_AQUA if on Apple -
-# if this is not true, look for the X11 OpenGL. Defaults
-# to true.
-
-#=============================================================================
-# Copyright 2001-2009 Kitware, Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# * Neither the names of Kitware, Inc., the Insight Software Consortium,
-# nor the names of their contributors may be used to endorse or promote
-# products derived from this software without specific prior written
-# permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# ------------------------------------------------------------------------------
-#
-# The above copyright and license notice applies to distributions of
-# CMake in source and binary form. Some source files contain additional
-# notices of original copyright by their contributors; see each source
-# for details. Third-party software packages supplied with CMake under
-# compatible licenses provide their own copyright notices documented in
-# corresponding subdirectories.
-#
-# ------------------------------------------------------------------------------
-#
-# CMake was initially developed by Kitware with the following sponsorship:
-#
-# * National Library of Medicine at the National Institutes of Health
-# as part of the Insight Segmentation and Registration Toolkit (ITK).
-#
-# * US National Labs (Los Alamos, Livermore, Sandia) ASC Parallel
-# Visualization Initiative.
-#
-# * National Alliance for Medical Image Computing (NAMIC) is funded by the
-# National Institutes of Health through the NIH Roadmap for Medical Research,
-# Grant U54 EB005149.
-#
-# * Kitware, Inc.
-#
-#=============================================================================
-
-if(WIN32)
- set(OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32")
- set(OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32")
-else(WIN32)
-
- # The first line below is to make sure that the proper headers
- # are used on a Linux machine with the NVidia drivers installed.
- # They replace Mesa with NVidia's own library but normally do not
- # install headers and that causes the linking to
- # fail since the compiler finds the Mesa headers but NVidia's library.
- # Make sure the NVIDIA directory comes BEFORE the others.
- # - Atanas Georgiev <atanas@cs.columbia.edu>
-
-
- set(OPENGL_INC_SEARCH_PATH
- /usr/share/doc/NVIDIA_GLX-1.0/include
- /usr/X11/include
- /usr/X11R7/include
- /usr/X11R6/include
- /usr/include/X11
- /usr/local/include/X11
- /usr/local/include
- /usr/include
- /usr/openwin/share/include
- /usr/openwin/include
- /usr/pkg/xorg/include
- /opt/graphics/OpenGL/include
- )
- # Handle HP-UX cases where we only want to find OpenGL in either hpux64
- # or hpux32 depending on if we're doing a 64 bit build.
- if(CMAKE_SIZEOF_VOID_P EQUAL 4)
- set(HPUX_IA_OPENGL_LIB_PATH /opt/graphics/OpenGL/lib/hpux32/)
- else(CMAKE_SIZEOF_VOID_P EQUAL 4)
- set(HPUX_IA_OPENGL_LIB_PATH
- /opt/graphics/OpenGL/lib/hpux64/
- /opt/graphics/OpenGL/lib/pa20_64)
- endif(CMAKE_SIZEOF_VOID_P EQUAL 4)
-
- get_property(SEARCH_64BIT GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
- if(SEARCH_64BIT)
- set(64BIT_DIRS "/usr/lib64/X11;/usr/lib64")
- else(SEARCH_64BIT)
- set(32BIT_DIRS "/usr/lib/X11;/usr/lib")
- endif(SEARCH_64BIT)
-
- set(OPENGL_LIB_SEARCH_PATH
- ${64BIT_DIRS}
- ${32BIT_DIRS}
- /usr/X11/lib
- /usr/X11R7/lib
- /usr/X11R6/lib
- /usr/shlib
- /usr/openwin/lib
- /opt/graphics/OpenGL/lib
- /usr/pkg/xorg/lib
- ${HPUX_IA_OPENGL_LIB_PATH}
- )
-
- if(APPLE)
- OPTION(OPENGL_USE_AQUA "Require native OSX Framework version of OpenGL." ON)
- endif(APPLE)
-
- if(OPENGL_USE_AQUA)
- find_library(OPENGL_gl_LIBRARY OpenGL DOC "OpenGL lib for OSX")
- find_library(OPENGL_glu_LIBRARY AGL DOC "AGL lib for OSX")
- find_path(OPENGL_INCLUDE_DIR_GL OpenGL/gl.h DOC "Include for OpenGL on OSX")
- else(OPENGL_USE_AQUA)
- # If we're on Apple and not using Aqua, we don't want frameworks
- set(CMAKE_FIND_FRAMEWORK "NEVER")
-
- find_path(OPENGL_INCLUDE_DIR_GL GL/gl.h ${OPENGL_INC_SEARCH_PATH})
- find_path(OPENGL_INCLUDE_DIR_GLX GL/glx.h ${OPENGL_INC_SEARCH_PATH})
- find_path(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h ${OPENGL_INC_SEARCH_PATH})
- find_library(OPENGL_gl_LIBRARY NAMES GL MesaGL PATHS ${OPENGL_LIB_SEARCH_PATH})
-
- # On Unix OpenGL most certainly always requires X11.
- # Feel free to tighten up these conditions if you don't
- # think this is always true.
- # It's not true on OSX.
-
- if(OPENGL_gl_LIBRARY)
- if(NOT X11_FOUND)
- include(FindX11)
- endif(NOT X11_FOUND)
- if(X11_FOUND)
- set(OPENGL_LIBRARIES ${X11_LIBRARIES})
- endif(X11_FOUND)
- endif(OPENGL_gl_LIBRARY)
-
- find_library(OPENGL_glu_LIBRARY NAMES GLU MesaGLU PATHS ${OPENGL_LIB_SEARCH_PATH})
- endif(OPENGL_USE_AQUA)
-
-endif(WIN32)
-
-set( OPENGL_FOUND "NO" )
-
-if(X11_FOUND)
- if(OPENGL_INCLUDE_DIR_GLX AND OPENGL_INCLUDE_DIR_GL AND OPENGL_gl_LIBRARY)
- set(OPENGL_FOUND "YES" )
- endif(OPENGL_INCLUDE_DIR_GLX AND OPENGL_INCLUDE_DIR_GL AND OPENGL_gl_LIBRARY)
-else(X11_FOUND)
- if(MSVC OR MINGW)
- if(OPENGL_gl_LIBRARY)
- set(OPENGL_FOUND "YES" )
- endif(OPENGL_gl_LIBRARY)
- else(MSVC OR MINGW)
- if(OPENGL_INCLUDE_DIR_GL AND OPENGL_gl_LIBRARY)
- set(OPENGL_FOUND "YES" )
- endif(OPENGL_INCLUDE_DIR_GL AND OPENGL_gl_LIBRARY)
- endif(MSVC OR MINGW)
-endif(X11_FOUND)
-
-
-if(OPENGL_FOUND)
- if(OPENGL_xmesa_INCLUDE_DIR)
- set( OPENGL_XMESA_FOUND "YES" )
- else(OPENGL_xmesa_INCLUDE_DIR)
- set( OPENGL_XMESA_FOUND "NO" )
- endif(OPENGL_xmesa_INCLUDE_DIR)
-
- set(OPENGL_LIBRARIES ${OPENGL_gl_LIBRARY} ${OPENGL_LIBRARIES})
- if(OPENGL_glu_LIBRARY)
- set(OPENGL_GLU_FOUND "YES" )
- set(OPENGL_LIBRARIES ${OPENGL_glu_LIBRARY} ${OPENGL_LIBRARIES} )
- else(OPENGL_glu_LIBRARY)
- set( OPENGL_GLU_FOUND "NO" )
- endif(OPENGL_glu_LIBRARY)
-
- # This deprecated setting is for backward compatibility with CMake1.4
- set(OPENGL_LIBRARY ${OPENGL_LIBRARIES})
-else(OPENGL_FOUND)
- # We don't have enough, so no partials - clean up
- set(OPENGL_INCLUDE_DIR_GL "" CACHE STRING "OpenGL not found" FORCE)
- set(OPENGL_INCLUDE_DIR_GLX "" CACHE STRING "OpenGL not found" FORCE)
- set(OPENGL_xmesa_INCLUDE_DIR "" CACHE STRING "OpenGL not found" FORCE)
- set(OPENGL_glu_LIBRARY "" CACHE STRING "OpenGL not found" FORCE)
- set(OPENGL_gl_LIBRARY "" CACHE STRING "OpenGL not found" FORCE)
-endif(OPENGL_FOUND)
-
-mark_as_advanced(
- OPENGL_INCLUDE_DIR_GL
- OPENGL_INCLUDE_DIR_GLX
- OPENGL_xmesa_INCLUDE_DIR
- OPENGL_glu_LIBRARY
- OPENGL_gl_LIBRARY
- )
-
-# Local Variables:
-# tab-width: 8
-# mode: cmake
-# indent-tabs-mode: t
-# End:
-# ex: shiftwidth=2 tabstop=8