luascript.cpp: In member function `int LuaScript::openFile(const char*)': luascript.cpp:61: error: `luaL_dofile' undeclared (first use this function) luascript.cpp:61: error: (Each undeclared identifier is reported only once for each function it appears in.) luascript.cpp: In member function `long int LuaScriptInterface::getEvent(const std::string&)': luascript.cpp:529: error: `lua_getfield' undeclared (first use this function) luascript.cpp: In member function `bool LuaScriptInterface::pushFunction(long int)': luascript.cpp:597: error: `lua_getfield' undeclared (first use this function) luascript.cpp: In member function `virtual bool LuaScriptInterface::initState()': luascript.cpp:612: error: `luaL_newstate' undeclared (first use this function) luascript.cpp:618: error: `luaopen_os' undeclared (first use this function) luascript.cpp:625: error: `lua_setfield' undeclared (first use this function)