The patch in the referenced ticket convinces this to build with perl 5.22.2.
Unsure if it actually works, but `make test` didn't fail as it claimed to in the ticket. Index: Makefile =================================================================== RCS file: /cvs/ports/devel/p5-Devel-FindRef/Makefile,v retrieving revision 1.5 diff -u -p -r1.5 Makefile --- Makefile 20 Mar 2016 19:56:20 -0000 1.5 +++ Makefile 24 Apr 2016 19:06:06 -0000 @@ -6,7 +6,7 @@ MODULES = cpan DISTNAME = Devel-FindRef-1.422 CATEGORIES = devel MAINTAINER = Marc Espie <es...@openbsd.org> -REVISION = 1 +REVISION = 2 RUN_DEPENDS = devel/p5-common-sense Index: patches/patch-FindRef_xs =================================================================== RCS file: patches/patch-FindRef_xs diff -N patches/patch-FindRef_xs --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-FindRef_xs 24 Apr 2016 19:06:06 -0000 @@ -0,0 +1,23 @@ +$OpenBSD$ + +Patch from SREZIC [...] cpan.org +https://rt.cpan.org/Public/Bug/Display.html?id=101077 + +--- FindRef.xs.orig Sun Aug 30 07:33:01 2009 ++++ FindRef.xs Sun Apr 24 11:30:12 2016 +@@ -6,13 +6,13 @@ + (PERL_REVISION > (a) \ + || (PERL_REVISION == (a) \ + && (PERL_VERSION > (b) \ +- || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) ++ || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) + + #if !PERL_VERSION_ATLEAST (5,8,9) + # define SVt_LAST 16 + #endif + +-#if !PERL_VERSION_ATLEAST (5,10,0) ++#if !PERL_VERSION_ATLEAST (5,10,0) || PERL_VERSION_ATLEAST (5,21,7) + # define SvPAD_OUR(dummy) 0 + #endif +
