Fix -fno-common build failure. Taken from https://github.com/awesomeWM/awesome/commit/d256d9055095f27a33696e0aeda4ee20ed4fb1a0 Index: objects/drawin.c --- objects/drawin.c.orig +++ objects/drawin.c @@ -46,6 +46,8 @@ #include #include +lua_class_t drawin_class; + /** Drawin object. * * @field border_width Border width.