Index: devel/p5-Data-Serializer/Makefile
===================================================================
--- devel/p5-Data-Serializer/Makefile	(revision 403448)
+++ devel/p5-Data-Serializer/Makefile	(working copy)
@@ -18,4 +18,10 @@
 USES=		perl5
 USE_PERL5=	configure
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502200
+BUILD_DEPENDS+=	p5-Module-Build>0:${PORTSDIR}/devel/p5-Module-Build
+.endif
+
+.include <bsd.port.post.mk>