--- Makefile.in.orig	Sun Mar  4 10:18:08 2007
+++ Makefile.in	Sun Mar  4 10:19:23 2007
@@ -936,7 +936,7 @@
 	(cd $(DESTDIR)$(bindir); \
 	$(LN) gawk$(EXEEXT) gawk-$(VERSION)$(EXEEXT) 2>/dev/null ; \
 	$(LN) pgawk$(EXEEXT) pgawk-$(VERSION)$(EXEEXT) 2>/dev/null ; \
-	if [ ! -f awk$(EXEEXT) ]; \
+	if ! /usr/bin/which -s awk; \
 	then	$(LN_S) gawk$(EXEEXT) awk$(EXEEXT); \
 	fi; exit 0)