#
# Try to find GLEW library and include path.
# Once done this will define
#
# GLEW_FOUND
# GLEW_INCLUDE_DIR
# GLEW_LIBRARY
#

IF (WIN32)
	FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
		$ENV{PROGRAMFILES}/GLEW/include
		${GLEW_ROOT_DIR}/include
		DOC "The directory where GL/glew.h resides")

    FIND_LIBRARY( GLEW_LIBRARY
        NAMES glew GLEW glew32s glew32
        PATHS
        $ENV{PROGRAMFILES}/GLEW/lib
        DOC "The GLEW library")
ELSE (WIN32)
	FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
		/usr/include
		/usr/local/include
		/opt/local/include
		${GLEW_ROOT_DIR}/include
		DOC "The directory where GL/glew.h resides")

	# Prefer the static library.
	FIND_LIBRARY( GLEW_LIBRARY
		NAMES libGLEW.a GLEW
		PATHS
		/usr/lib64
		/usr/lib
		/usr/local/lib64
		/usr/local/lib
		/opt/local/lib
		${GLEW_ROOT_DIR}/lib
		DOC "The GLEW library")
ENDIF (WIN32)

SET(GLEW_FOUND "NO")
IF (GLEW_INCLUDE_DIR AND GLEW_LIBRARY)
	SET(GLEW_LIBRARIES ${GLEW_LIBRARY})
	SET(GLEW_FOUND "YES")
ENDIF (GLEW_INCLUDE_DIR AND GLEW_LIBRARY)

mark_as_advanced(GLEW_FOUND)
mark_as_advanced(GLEW_INCLUDE_DIR)
mark_as_advanced(GLEW_LIBRARY)


# FindGLEW.cmake original copyright notice from nvidia texture tools:
#
# NVIDIA Texture Tools 2.0 is licensed under the MIT license.
#
# Copyright (c) 2007 NVIDIA Corporation
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.