Added cmake build files (thanks RCL)

mk/cmake/Modules/FindLUA.cmake

@@ -0,0 +1,45 @@
+# Find the Lua 5.1 includes and library
+#
+# LUA_INCLUDE_DIR - where to find lua.h
+# LUA_LIBRARIES - List of fully qualified libraries to link against
+# LUA_FOUND - Set to TRUE if found
+
+# Copyright (c) 2007, Pau Garcia i Quiles, <pgquiles@elpauer.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+# [RCL] FIXME: is it future proof with names like lua5.1? Kubuntu does not provide
+# a generic (version-independent) include directory for LUA...
+
+IF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
+	SET(LUA_FIND_QUIETLY TRUE)
+ENDIF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
+
+FIND_PATH(LUA_INCLUDE_DIR NAMES lua.hpp 
+		PATHS 	/usr/include/lua
+				/usr/include/lua5.1
+		)
+
+FIND_LIBRARY(LUA_LIBRARIES NAMES lua5.1 )
+
+IF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
+	SET(LUA_FOUND TRUE)
+	INCLUDE(CheckLibraryExists)
+	CHECK_LIBRARY_EXISTS(${LUA_LIBRARIES} lua_close "" LUA_NEED_PREFIX)
+ELSE(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
+	SET(LUA_FOUND FALSE)
+ENDIF (LUA_INCLUDE_DIR AND LUA_LIBRARIES)
+
+IF(LUA_FOUND)
+	IF (NOT LUA_FIND_QUIETLY)
+		MESSAGE(STATUS "Found Lua library: ${LUA_LIBRARIES}")
+		MESSAGE(STATUS "Found Lua headers: ${LUA_INCLUDE_DIR}")
+	ENDIF (NOT LUA_FIND_QUIETLY)
+ELSE(LUA_FOUND)
+	IF(LUA_FIND_REQUIRED)
+		MESSAGE(FATAL_ERROR "Could NOT find Lua")
+	ENDIF(LUA_FIND_REQUIRED)
+ENDIF(LUA_FOUND)
+
+MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES)