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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
PATHS
$ENV{GLEW_ROOT_PATH}/lib
${OPENGL_LIBRARY_DIR}
)
endif(CYGWIN)
else (WIN32)
if (APPLE)
# These values for Apple could probably do with improvement.
find_path( GLEW_INCLUDE_DIR glew.h
/System/Library/Frameworks/GLEW.framework/Versions/A/Headers
${OPENGL_LIBRARY_DIR}
)
set(GLEW_GLEW_LIBRARY "-framework GLEW" CACHE STRING "GLEW library for OSX")
set(GLEW_cocoa_LIBRARY "-framework Cocoa" CACHE STRING "Cocoa framework for OSX")
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
)
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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