Add extended matches (nbyte, cmp, u32, meta)
diff --git a/Makefile b/Makefile
index 52eb4ec..b98f12c 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,7 @@
 HOSTCC = gcc
 CCOPTS = -D_GNU_SOURCE -O2 -Wstrict-prototypes -Wall
 CFLAGS = $(CCOPTS) -I../include $(DEFINES)
+YACCFLAGS = -d -t -v
 
 LDLIBS += -L../lib -lnetlink -lutil