Index: /usr/ports/dns/ldns/Makefile
===================================================================
--- /usr/ports/dns/ldns/Makefile	(revision 446320)
+++ /usr/ports/dns/ldns/Makefile	(working copy)
@@ -15,6 +15,7 @@
 
 GNU_CONFIGURE=	yes
 USES=		cpe gmake libtool ssl perl5
+USE_PERL5=	build
 CPE_VENDOR=	nlnetlabs
 USE_LDCONFIG=	yes