################################################################################################
# this Macro find a generic dependency, handling debug suffix
# all the paramenter are required, in case of lists, use "" in calling
################################################################################################

MACRO(FIND_DEPENDENCY DEPNAME INCLUDEFILE LIBRARY_NAMES SEARCHPATHLIST DEBUGSUFFIX)

	MESSAGE(STATUS "searching ${DEPNAME} -->${INCLUDEFILE}<-->${LIBRARY}<-->${SEARCHPATHLIST}<--")
	
	SET(MY_PATH_INCLUDE )
	SET(MY_PATH_LIB )
	
	FOREACH( MYPATH ${SEARCHPATHLIST} )
		SET(MY_PATH_INCLUDE ${MY_PATH_INCLUDE} ${MYPATH}/include)
		SET(MY_PATH_LIB ${MY_PATH_LIB} ${MYPATH}/lib)
	ENDFOREACH( MYPATH ${SEARCHPATHLIST} )
		
	FIND_PATH("${DEPNAME}_INCLUDE_DIR" ${INCLUDEFILE}
	  ${MY_PATH_INCLUDE}
	)
	MARK_AS_ADVANCED("${DEPNAME}_INCLUDE_DIR")
	#MESSAGE( " ${DEPNAME}_INCLUDE_DIR --> ${${DEPNAME}_INCLUDE_DIR}<--")
	
	FIND_LIBRARY("${DEPNAME}_LIBRARY" 
		NAMES ${LIBRARY_NAMES}
	  PATHS ${MY_PATH_LIB}
	)
	SET(LIBRARY_NAMES_DEBUG "")
	FOREACH(LIBNAME ${LIBRARY_NAMES})
		LIST(APPEND LIBRARY_NAMES_DEBUG "${LIBNAME}${DEBUGSUFFIX}")
	ENDFOREACH(LIBNAME)
	FIND_LIBRARY("${DEPNAME}_LIBRARY_DEBUG" 
		NAMES ${LIBRARY_NAMES_DEBUG}
	  PATHS ${MY_PATH_LIB}
	)
	MARK_AS_ADVANCED("${DEPNAME}_LIBRARY")
	#MESSAGE( " ${DEPNAME}_LIBRARY --> ${${DEPNAME}_LIBRARY}<--")
	SET( ${DEPNAME}_FOUND "NO" )
	IF(${DEPNAME}_INCLUDE_DIR AND ${DEPNAME}_LIBRARY)
	  SET( ${DEPNAME}_FOUND "YES" )
	  IF(NOT ${DEPNAME}_LIBRARY_DEBUG)
	  	MESSAGE("-- Warning Debug ${DEPNAME} not found, using: ${${DEPNAME}_LIBRARY}")
	  	SET(${DEPNAME}_LIBRARY_DEBUG "${${DEPNAME}_LIBRARY}")
	  ENDIF(NOT ${DEPNAME}_LIBRARY_DEBUG)
	ENDIF(${DEPNAME}_INCLUDE_DIR AND ${DEPNAME}_LIBRARY)
ENDMACRO(FIND_DEPENDENCY DEPNAME INCLUDEFILE LIBRARY_NAMES SEARCHPATHLIST DEBUGSUFFIX)


################################################################################################
# this Macro is tailored to Mike dependencies
################################################################################################

MACRO(SEARCH_3RDPARTY OSG_3RDPARTY_BIN)
		FIND_DEPENDENCY(TIFF tiff.h libtiff ${OSG_3RDPARTY_BIN} "D")
		FIND_DEPENDENCY(FREETYPE freetype "freetype;freetype219" ${OSG_3RDPARTY_BIN} "_D")
		IF(FREETYPE_FOUND)
			#forcing subsequent FindFreeType stuff to not search for other variables.... kind of a hack 
			SET(FREETYPE_INCLUDE_DIR_ft2build ${FREETYPE_INCLUDE_DIR} CACHE PATH "")
			SET(FREETYPE_INCLUDE_DIR_freetype2 ${FREETYPE_INCLUDE_DIR} CACHE PATH "")
			MARK_AS_ADVANCED(FREETYPE_INCLUDE_DIR_ft2build FREETYPE_INCLUDE_DIR_freetype2)
		ENDIF(FREETYPE_FOUND)
		FIND_DEPENDENCY(JPEG jpeglib.h libjpeg ${OSG_3RDPARTY_BIN} "D")
		#FIND_DEPENDENCY(GDAL gdal.h "gdal;gdal_i" ${OSG_3RDPARTY_BIN})
		FIND_DEPENDENCY(GLUT GL/glut.h glut32 ${OSG_3RDPARTY_BIN} "D")
		IF(GLUT_FOUND)
			#forcing subsequent FindGlut stuff to not search for other variables.... kind of a hack 
			SET(GLUT_glut_LIBRARY ${GLUT_LIBRARY} CACHE FILEPATH "")
			MARK_AS_ADVANCED(GLUT_glut_LIBRARY)
		ENDIF(GLUT_FOUND)
		FIND_DEPENDENCY(GIFLIB gif_lib.h "ungif;libungif" ${OSG_3RDPARTY_BIN} "D")
		FIND_DEPENDENCY(ZLIB zlib.h "z;zlib" ${OSG_3RDPARTY_BIN} "D")
		IF(ZLIB_FOUND)
			FIND_DEPENDENCY(PNG png.h libpng ${OSG_3RDPARTY_BIN} "D")
			IF(PNG_FOUND)
				#forcing subsequent FindPNG stuff to not search for other variables.... kind of a hack 
				SET(PNG_PNG_INCLUDE_DIR ${PNG_INCLUDE_DIR} CACHE FILEPATH "")
				MARK_AS_ADVANCED(PNG_PNG_INCLUDE_DIR)
			ENDIF(PNG_FOUND)
		ENDIF(ZLIB_FOUND)		
#luigi#INCLUDE(FindOSGDepends.cmake)
ENDMACRO(SEARCH_3RDPARTY OSG_3RDPARTY_BIN)




################################################################################################
# this is code for handling optional 3DPARTY usage
################################################################################################

OPTION(USE_3DPARTY_BIN "Set to ON to use Mike prebuilt dependencies situated side of OpenSceneGraph source.  Use OFF for avoiding." ON)
IF(USE_3DPARTY_BIN)
	GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
	SET(ACTUAL_3DPARTY_DIR "${PARENT_DIR}/3rdparty" CACHE PATH "Location of 3rdparty dependencies")
	IF(EXISTS ${ACTUAL_3DPARTY_DIR})
		SEARCH_3RDPARTY(${ACTUAL_3DPARTY_DIR})
	ENDIF(EXISTS ${ACTUAL_3DPARTY_DIR})
ENDIF(USE_3DPARTY_BIN)