161 lines
4.7 KiB
CMake
161 lines
4.7 KiB
CMake
# Try to find OpenGL
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# Once done this will define
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#
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# OPENGL_FOUND - system has OpenGL and it should be used
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# OPENGL_XMESA_FOUND - system has XMESA, and it should be used.
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# OPENGL_GLU_FOUND - system has GLU and it should be used.
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# OPENGL_INCLUDE_DIR - where the GL include directory can be found
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# OPENGL_LIBRARIES - Link these to use OpenGL
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#
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#
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# Also defined, but not for general use are
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# OPENGL_gl_LIBRARY - Path to OpenGL Library
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# OPENGL_glu_LIBRARY - Pat to GLU Librar
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#
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IF (WIN32)
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IF (CYGWIN)
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FIND_PATH(OPENGL_INCLUDE_DIR GL/gl.h
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/usr/include
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/usr/X11R6/include
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)
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FIND_LIBRARY(OPENGL_gl_LIBRARY opengl32
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/usr/lib
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/usr/lib/w32api
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)
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FIND_LIBRARY(OPENGL_glu_LIBRARY glu32
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/usr/lib
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/usr/lib/w32api
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)
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ELSE (CYGWIN)
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IF(BORLAND)
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SET (OPENGL_gl_LIBRARY import32 CACHE STRING "OpenGL library for win32")
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SET (OPENGL_glu_LIBRARY import32 CACHE STRING "GLU library for win32")
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ELSE(BORLAND)
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SET (OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32")
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SET (OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32")
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ENDIF(BORLAND)
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# No extra include path needed because OpenGL includes are with
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# the system includes but, cmake will create makefiles with
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# "-I${OPENGL_INCLUDE_DIR}" options if OPENGL_INCLUDE_DIR is
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# not set. OPENGL_INCLUDE_DIR cannot be set to "" because the
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# resulting -I option to "cl" will eat the following
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# "-IC:\really\needed" option. This is a kludge to get around
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# cmake not ignoring INCLUDE_DIRECTORIES commands with empty
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# strings.
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SET( OPENGL_INCLUDE_DIR "${PROJECT_SOURCE_DIR}" )
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ENDIF (CYGWIN)
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ELSE (WIN32)
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# The first line below is to make sure that the proper headers
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# are used on a Linux machine with the NVidia drivers installed.
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# They replace Mesa with NVidia's own library but normally do not
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# install headers and that causes the linking to
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# fail since the compiler finds the Mesa headers but NVidia's library.
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# Make sure the NVIDIA directory comes BEFORE the others.
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# - Atanas Georgiev <atanas@cs.columbia.edu>
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FIND_PATH(OPENGL_INCLUDE_DIR GL/gl.h
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/usr/share/doc/NVIDIA_GLX-1.0/include
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/usr/include
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/usr/local/include
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/usr/openwin/share/include
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/opt/graphics/OpenGL/include
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/usr/X11R6/include
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)
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FIND_PATH(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h
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/usr/share/doc/NVIDIA_GLX-1.0/include
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/usr/include
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/usr/local/include
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/usr/openwin/share/include
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/opt/graphics/OpenGL/include
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/usr/X11R6/include
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)
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FIND_LIBRARY(OPENGL_gl_LIBRARY
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NAMES MesaGL GL
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PATHS /usr/lib
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/usr/local/lib
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/opt/graphics/OpenGL/lib
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/usr/openwin/lib
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/usr/X11R6/lib
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)
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# On Unix OpenGL most certainly always requires X11.
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# Feel free to tighten up these conditions if you don't think this is always true.
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IF (OPENGL_gl_LIBRARY)
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INCLUDE( ${CMAKE_ROOT}/Modules/FindX11.cmake )
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IF (X11_FOUND)
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SET (OPENGL_LIBRARIES ${X11_LIBRARIES})
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ENDIF (X11_FOUND)
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ENDIF (OPENGL_gl_LIBRARY)
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FIND_LIBRARY(OPENGL_glu_LIBRARY
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NAMES MesaGLU GLU
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PATHS /usr/lib
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/usr/local/lib
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/opt/graphics/OpenGL/lib
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/usr/openwin/lib
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/usr/X11R6/lib
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)
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ENDIF (WIN32)
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SET( OPENGL_FOUND "NO" )
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IF(OPENGL_INCLUDE_DIR)
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IF(OPENGL_gl_LIBRARY)
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IF(OPENGL_xmesa_INCLUDE_DIR)
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SET( OPENGL_XMESA_FOUND "YES" )
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ELSE(OPENGL_xmesa_INCLUDE_DIR)
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SET( OPENGL_XMESA_FOUND "NO" )
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ENDIF(OPENGL_xmesa_INCLUDE_DIR)
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IF(OPENGL_glu_LIBRARY)
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SET( OPENGL_GLU_FOUND "YES" )
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ENDIF(OPENGL_glu_LIBRARY)
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SET( OPENGL_GLU_FOUND "NO" )
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ENDIF(OPENGL_glu_LIBRARY)
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SET( OPENGL_FOUND "YES" )
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SET( OPENGL_LIBRARIES ${OPENGL_glu_LIBRARY} ${OPENGL_gl_LIBRARY} ${OPENGL_LIBRARIES})
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#The following deprecated settings are for backwards compatibility with CMake1.4
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SET (OPENGL_LIBRARY ${OPENGL_LIBRARIES})
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SET (OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
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ENDIF(OPENGL_gl_LIBRARY)
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SET(OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
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ENDIF(OPENGL_INCLUDE_DIR)
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# On OSX, OpenGL is always there - this will need refining for those using OpenGL with X11
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IF (APPLE)
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SET (OPENGL_FOUND "YES")
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SET (OPENGL_GLU_FOUND "YES")
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SET (OPENGL_LIBRARIES "-framework AGL -framework OpenGL" CACHE STRING "OpenGL lib for OSX")
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SET (OPENGL_LIBRARY ${OPENGL_LIBRARIES} CACHE STRING "OpenGL lib for OSX (for CMake 1.4)")
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SET (OPENGL_gl_LIBRARY "-framework OpenGL" CACHE STRING "OpenGL lib for OSX")
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SET (OPENGL_glu_LIBRARY "-framework AGL" CACHE STRING "AGL lib for OSX")
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ENDIF (APPLE)
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MARK_AS_ADVANCED(
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OPENGL_INCLUDE_DIR
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OPENGL_xmesa_INCLUDE_DIR
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OPENGL_glu_LIBRARY
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OPENGL_gl_LIBRARY
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)
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