4 IF(UNIX)

     4 IF(NOT LUA_LIBRARY)

     5   FIND_LIBRARY(LUA_LIBRARY NAMES lua5.1 lua)

     5 	IF(WIN32)

     6 ELSE(UNIX)

     6 		set(LUA_DEFAULT lua.dll)

     7   IF(WIN32)

     7 	ELSE(WIN32)

     8     SET(LUA_LIBRARY lua.dll CACHE FILEPATH "Path to the lua library to be used. This should be set to 'lua.dll' or 'lua' under Win32/Apple to use the bundled copy.")

     8 		IF(APPLE)

     9   else(WIN32)

     9 			set(LUA_DEFAULT lua)

    10   ENDIF(WIN32)

    10 		ELSE(APPLE)

    11 ENDIF(UNIX)

    11 			set(LUA_DEFAULT lua5.1.so)

    12 		ENDIF(APPLE)

    13 	ENDIF(WIN32)

    14 	SET(LUA_LIBRARY ${LUA_DEFAULT} CACHE STRING "Lua library to link to; file name without path only!")

    15 ENDIF(NOT LUA_LIBRARY)