--- src/backend/Makefile.orig	2008-09-11 09:11:47.000000000 +0000
+++ src/backend/Makefile	2008-09-11 09:34:35.000000000 +0000
@@ -41,7 +41,7 @@
 ifneq ($(PORTNAME), aix)
 
 postgres: $(OBJS) $(libpq_srcdir)/libpq.a
-	$(CC) $(CFLAGS) $(LDFLAGS) $(export_dynamic) $^ $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) $(export_dynamic) $^ $(LIBS) -lcompat -o $@
 
 endif
 endif