--- a/Makefile	Thu Nov 13 22:40:16 2008 +0000
+++ b/Makefile	Fri Nov 14 23:07:00 2008 +0000
@@ -21,6 +21,8 @@
 		install -m 04555 $(SCRIPT) $(DESTDIR)${bindir}/
 		install -m 0755 -d $(DESTDIR)${man1dir}/
 		install -m 0644 $(MANPAGE) $(DESTDIR)${man1dir}/
+		@command -v suidperl &>/dev/null \
+		|| echo "=> You should consider installing suid-perl to get the full power." >&2
 
 %:		%.pl; install -m 0555 $< $@
 %.1.gz:		%.pl; pod2man $< | gzip >$@