# - 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 - the GL 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 # # On OSX default to using the framework version of opengl # People will have to change the cache values of OPENGL_glu_LIBRARY # and OPENGL_gl_LIBRARY to use OpenGL with X11 on OSX #============================================================================= # Copyright 2001-2009 Kitware, Inc. # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) if (WIN32) if (CYGWIN) find_path(OPENGL_INCLUDE_DIR GL/gl.h ) find_library(OPENGL_gl_LIBRARY opengl32 ) find_library(OPENGL_glu_LIBRARY glu32 ) else () if(BORLAND) set (OPENGL_gl_LIBRARY import32 CACHE STRING "OpenGL library for win32") set (OPENGL_glu_LIBRARY import32 CACHE STRING "GLU library for win32") else() set (OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32") set (OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32") endif() endif () else () if (APPLE) 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 OpenGL/gl.h DOC "Include for OpenGL on OSX") else() if (CMAKE_SYSTEM_NAME MATCHES "HP-UX") # 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(_OPENGL_LIB_PATH /opt/graphics/OpenGL/lib/hpux32/) else() set(_OPENGL_LIB_PATH /opt/graphics/OpenGL/lib/hpux64/ /opt/graphics/OpenGL/lib/pa20_64) endif() elseif(CMAKE_SYSTEM_NAME STREQUAL Haiku) set(_OPENGL_LIB_PATH /boot/develop/lib/x86) set(_OPENGL_INCLUDE_PATH /boot/develop/headers/os/opengl) endif() # 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 find_path(OPENGL_INCLUDE_DIR GL/gl.h /usr/share/doc/NVIDIA_GLX-1.0/include /usr/openwin/share/include /opt/graphics/OpenGL/include /usr/X11R6/include ${_OPENGL_INCLUDE_PATH} ) find_path(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h /usr/share/doc/NVIDIA_GLX-1.0/include /usr/openwin/share/include /opt/graphics/OpenGL/include /usr/X11R6/include ) find_library(OPENGL_gl_LIBRARY NAMES GL MesaGL PATHS /opt/graphics/OpenGL/lib /usr/openwin/lib /usr/shlib /usr/X11R6/lib ${_OPENGL_LIB_PATH} ) unset(_OPENGL_INCLUDE_PATH) unset(_OPENGL_LIB_PATH) # On Unix OpenGL most certainly always requires X11. # Feel free to tighten up these conditions if you don't # think this is always true. # It's not true on OSX. if (OPENGL_gl_LIBRARY) if(NOT X11_FOUND) include(${CMAKE_CURRENT_LIST_DIR}/FindX11.cmake) endif() if (X11_FOUND) if (NOT APPLE) set (OPENGL_LIBRARIES ${X11_LIBRARIES}) endif () endif () endif () find_library(OPENGL_glu_LIBRARY NAMES GLU MesaGLU PATHS ${OPENGL_gl_LIBRARY} /opt/graphics/OpenGL/lib /usr/openwin/lib /usr/shlib /usr/X11R6/lib ) endif() endif () if(OPENGL_gl_LIBRARY) if(OPENGL_xmesa_INCLUDE_DIR) set( OPENGL_XMESA_FOUND "YES" ) else() set( OPENGL_XMESA_FOUND "NO" ) endif() 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() set( OPENGL_GLU_FOUND "NO" ) endif() # This deprecated setting is for backward compatibility with CMake1.4 set (OPENGL_LIBRARY ${OPENGL_LIBRARIES}) endif() # This deprecated setting is for backward compatibility with CMake1.4 set(OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR}) # handle the QUIETLY and REQUIRED arguments and set OPENGL_FOUND to TRUE if # all listed variables are TRUE include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGL DEFAULT_MSG OPENGL_gl_LIBRARY) mark_as_advanced( OPENGL_INCLUDE_DIR OPENGL_xmesa_INCLUDE_DIR OPENGL_glu_LIBRARY OPENGL_gl_LIBRARY )