Index: p5-Mouse/Makefile
===================================================================
--- p5-Mouse/Makefile	(revision 343336)
+++ p5-Mouse/Makefile	(working copy)
@@ -40,4 +40,8 @@
 BUILD_DEPENDS+=	p5-CPAN-Meta>=0:${PORTSDIR}/devel/p5-CPAN-Meta
 .endif
 
+.if ${PERL_LEVEL} < 501600
+BUILD_DEPENDS+= p5-ExtUtils-ParseXS>=3.16:${PORTSDIR}/devel/p5-ExtUtils-ParseXS
+.endif
+
 .include <bsd.port.post.mk>