//Works
 	FIND_PATH (CRYPTOPP_INCLUDE_PREFIX
 		NAMES cryptopp/cryptlib.h
 		PATHS "${CRYTOPP_HEADER_PATH}" ENV
 		DOC "cryptopp include prefix"
 	)
//Works
	FIND_PATH (CRYPTOPP_INCLUDE_PREFIX
		NAMES crypto++/cryptlib.h
		PATHS "${CRYTOPP_HEADER_PATH}" ENV
		DOC "cryptopp include prefix"
	)
//Doesn't work
 	FIND_PATH (CRYPTOPP_INCLUDE_PREFIX
 		NAMES cryptlib.h
 		PATHS "${CRYTOPP_HEADER_PATH}" ENV
 		PATH_SUFFIXES cryptopp crypto++
 		DOC "cryptopp include prefix"
 	)