diff -urN p5-ReadLine-Gnu.orig/Makefile p5-ReadLine-Gnu/Makefile
--- p5-ReadLine-Gnu.orig/Makefile	Thu Apr 20 22:23:27 2006
+++ p5-ReadLine-Gnu/Makefile	Thu Apr 20 22:28:30 2006
@@ -25,6 +25,10 @@
 LIB_DEPENDS+=	readline.5:${PORTSDIR}/devel/readline
 .endif
 
+.if ${PERL_LEVEL} < 500800
+IGNORE=	this port requires Perl 5.8 or newer. Install lang/perl5.8 and try again
+.endif
+
 MAN3=		Term::ReadLine::Gnu.3
 
 .include <bsd.port.post.mk>