--- Makefile.orig	2006-07-07 01:27:13.000000000 -0700
+++ Makefile	2008-05-28 13:00:20.000000000 -0700
@@ -7,14 +7,18 @@
 LIBS=-lpcap -lutil
 LDFLAGS=-g
 
-CFLAGS=-g -O $(WARNFLAGS)
+CFLAGS=-g -O
+
+.if defined(OLD_PFSYNC)
+CFLAGS+=-DOLD_PFSYNC
+.endif
 
 TARGETS=pfflowd
 
 all: $(TARGETS)
 
-pfflowd: pfflowd.o
-	$(CC) $(LDFLAGS) -o $@ pfflowd.o  $(LIBS)
+pfflowd: pfflowd.o pidfile.o
+	$(CC) $(LDFLAGS) -o $@ pfflowd.o pidfile.o $(LIBS)
 
 clean:
 	rm -f $(TARGETS) *.o core *.core