--- Makefile.in.orig	2014-04-08 18:12:38.000000000 +0200
+++ Makefile.in	2014-04-21 14:23:45.000000000 +0200
@@ -1151,7 +1151,7 @@ uninstall-am: uninstall-binPROGRAMS unin
 install-exec-hook:
 	(cd $(DESTDIR)$(bindir); \
 	$(LN) gawk$(EXEEXT) gawk-$(VERSION)$(EXEEXT) 2>/dev/null ; \
-	if [ ! -f awk ]; \
+	if ! /usr/bin/which -s awk; \
 	then	$(LN_S) gawk$(EXEEXT) awk; \
 	fi; exit 0)