--- ./GNUmakefile.lfarkas	2008-12-29 16:23:03.000000000 +0100
+++ ./GNUmakefile	2008-12-29 16:23:45.000000000 +0100
@@ -58,8 +58,8 @@
 RANLIB  = $(CROSS)ranlib
 RC	= $(CROSS)windres
 
-OPT	= $(CLEANUP) -O3 -finline-functions
-DOPT	= $(CLEANUP) -g -O0
+OPT	= $(CLEANUP) -O3 -finline-functions -mms-bitfields
+DOPT	= $(CLEANUP) -g -O0 -mms-bitfields
 XOPT	=
 
 RCFLAGS		= --include-dir=.