# Copyright (c) 2009 Boudewijn Rempt <boud@valdyas.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# - try to find glew library and include files
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# GLEW_INCLUDE_DIR, where to find GL/glew.h, etc.
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# GLEW_LIBRARIES, the libraries to link against
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# GLEW_FOUND, If false, do not try to use GLEW.
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# Also defined, but not for general use are:
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# GLEW_GLEW_LIBRARY = the full path to the glew library.
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IF (WIN32)
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IF(CYGWIN)
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FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h)
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FIND_LIBRARY( GLEW_GLEW_LIBRARY glew32
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${OPENGL_LIBRARY_DIR}
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/usr/lib/w32api
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/usr/X11R6/lib
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)
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ELSE(CYGWIN)
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FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
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$ENV{GLEW_ROOT_PATH}/include
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)
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FIND_LIBRARY( GLEW_GLEW_LIBRARY
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NAMES glew glew32
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PATHS
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$ENV{GLEW_ROOT_PATH}/lib
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${OPENGL_LIBRARY_DIR}
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)
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ENDIF(CYGWIN)
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ELSE (WIN32)
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IF (APPLE)
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# These values for Apple could probably do with improvement.
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FIND_PATH( GLEW_INCLUDE_DIR glew.h
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/System/Library/Frameworks/GLEW.framework/Versions/A/Headers
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${OPENGL_LIBRARY_DIR}
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)
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SET(GLEW_GLEW_LIBRARY "-framework GLEW" CACHE STRING "GLEW library for OSX")
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SET(GLEW_cocoa_LIBRARY "-framework Cocoa" CACHE STRING "Cocoa framework for OSX")
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ELSE (APPLE)
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FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
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/usr/include/GL
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/usr/openwin/share/include
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/usr/openwin/include
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/usr/X11R6/include
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/usr/include/X11
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/opt/graphics/OpenGL/include
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/opt/graphics/OpenGL/contrib/libglew
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)
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FIND_LIBRARY( GLEW_GLEW_LIBRARY GLEW
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/usr/openwin/lib
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/usr/X11R6/lib
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)
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ENDIF (APPLE)
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ENDIF (WIN32)
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SET( GLEW_FOUND "NO" )
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IF(GLEW_INCLUDE_DIR)
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IF(GLEW_GLEW_LIBRARY)
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# Is -lXi and -lXmu required on all platforms that have it?
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# If not, we need some way to figure out what platform we are on.
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SET( GLEW_LIBRARIES
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${GLEW_GLEW_LIBRARY}
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${GLEW_cocoa_LIBRARY}
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)
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SET( GLEW_FOUND "YES" )
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#The following deprecated settings are for backwards compatibility with CMake1.4
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SET (GLEW_LIBRARY ${GLEW_LIBRARIES})
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SET (GLEW_INCLUDE_PATH ${GLEW_INCLUDE_DIR})
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ENDIF(GLEW_GLEW_LIBRARY)
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ENDIF(GLEW_INCLUDE_DIR)
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IF(GLEW_FOUND)
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IF(NOT GLEW_FIND_QUIETLY)
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MESSAGE(STATUS "Found Glew: ${GLEW_LIBRARIES}")
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ENDIF(NOT GLEW_FIND_QUIETLY)
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ELSE(GLEW_FOUND)
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IF(GLEW_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find Glew")
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ENDIF(GLEW_FIND_REQUIRED)
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ENDIF(GLEW_FOUND)
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MARK_AS_ADVANCED(
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GLEW_INCLUDE_DIR
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GLEW_GLEW_LIBRARY
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GLEW_Xmu_LIBRARY
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GLEW_Xi_LIBRARY
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)
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