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# Copyright (c) 2009 Boudewijn Rempt <boud@valdyas.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
# - try to find glew library and include files
# GLEW_INCLUDE_DIR, where to find GL/glew.h, etc.
# GLEW_LIBRARIES, the libraries to link against
# GLEW_FOUND, If false, do not try to use GLEW.
# Also defined, but not for general use are:
# GLEW_GLEW_LIBRARY = the full path to the glew library.
IF (WIN32)
IF(CYGWIN)
FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h)
FIND_LIBRARY( GLEW_GLEW_LIBRARY glew32
${OPENGL_LIBRARY_DIR}
/usr/lib/w32api
/usr/X11R6/lib
)
ELSE(CYGWIN)
FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
$ENV{GLEW_ROOT_PATH}/include
)
FIND_LIBRARY( GLEW_GLEW_LIBRARY
NAMES glew glew32 glew32s
PATHS
$ENV{GLEW_ROOT_PATH}/lib
$ENV{GLEW_ROOT_PATH}/lib/Release/Win32
${OPENGL_LIBRARY_DIR}
)
ENDIF(CYGWIN)
ELSE (WIN32)
IF (APPLE)
# These values for Apple could probably do with improvement.
FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
/System/Library/Frameworks/GLEW.framework/Versions/A/Headers
/opt/local/include
${OPENGL_LIBRARY_DIR}
)
FIND_LIBRARY( GLEW_GLEW_LIBRARY GLEW
/opt/local/lib
)
ELSE (APPLE)
FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
/usr/include/GL
/usr/openwin/share/include
/usr/openwin/include
/usr/X11R6/include
/usr/include/X11
/opt/graphics/OpenGL/include
/opt/graphics/OpenGL/contrib/libglew
)
FIND_LIBRARY( GLEW_GLEW_LIBRARY GLEW
/usr/openwin/lib
/usr/X11R6/lib
/usr/lib
/usr/lib/x86_64-linux-gnu
)
ENDIF (APPLE)
ENDIF (WIN32)
SET( GLEW_FOUND "NO" )
IF(GLEW_INCLUDE_DIR)
IF(GLEW_GLEW_LIBRARY)
# Is -lXi and -lXmu required on all platforms that have it?
# If not, we need some way to figure out what platform we are on.
SET( GLEW_LIBRARIES
${GLEW_GLEW_LIBRARY}
${GLEW_cocoa_LIBRARY}
)
SET( GLEW_FOUND "YES" )
#The following deprecated settings are for backwards compatibility with CMake1.4
SET (GLEW_LIBRARY ${GLEW_LIBRARIES})
SET (GLEW_INCLUDE_PATH ${GLEW_INCLUDE_DIR})
ENDIF(GLEW_GLEW_LIBRARY)
ENDIF(GLEW_INCLUDE_DIR)
IF(GLEW_FOUND)
IF(NOT GLEW_FIND_QUIETLY)
MESSAGE(STATUS "Found Glew: ${GLEW_LIBRARIES}")
ENDIF(NOT GLEW_FIND_QUIETLY)
ELSE(GLEW_FOUND)
IF(GLEW_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find Glew")
ENDIF(GLEW_FIND_REQUIRED)
ENDIF(GLEW_FOUND)
MARK_AS_ADVANCED(
GLEW_INCLUDE_DIR
GLEW_GLEW_LIBRARY
GLEW_Xmu_LIBRARY
GLEW_Xi_LIBRARY
)
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