Index: Plug.tmpasm
===================================================================
--- Plug.tmpasm	(revision 36030)
+++ Plug.tmpasm	(revision 36031)
@@ -2,6 +2,14 @@
 put /local/pcb/mod/OBJS [@ $(PLUGDIR)/export_stl/export_stl.o @]
 
 switch /local/pcb/export_stl/controls
+	case {disable} end;
+	default
+		put /local/pcb/mod/CFLAGS   /target/libs/sul/libxml2/cflags
+		put /local/pcb/mod/LDFLAGS  /target/libs/sul/libxml2/ldflags
+	end
+end
+
+switch /local/pcb/export_stl/controls
 	case {buildin}   include /local/pcb/tmpasm/buildin; end;
 	case {plugin}    include /local/pcb/tmpasm/plugin; end;
 	case {disable}   include /local/pcb/tmpasm/disable; end;