Index: head/devel/p5-Data-Alias/Makefile
===================================================================
--- head/devel/p5-Data-Alias/Makefile	(revision 447683)
+++ head/devel/p5-Data-Alias/Makefile	(revision 447684)
@@ -1,22 +1,28 @@
 # Created by: Cheng-Lung Sung <clsung@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	Data-Alias
 PORTVERSION=	1.20
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	Comprehensive set of aliasing operations
 
 LICENSE=	ART10 GPLv1
 LICENSE_COMB=	dual
 
 USES=		perl5
 USE_PERL5=	configure
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Data/Alias/Alias.so
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502501
+BROKEN=		Does not build, op_sibling usage. https://rt.cpan.org/Public/Bug/Display.html?id=114544
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/p5-Devel-BeginLift/Makefile
===================================================================
--- head/devel/p5-Devel-BeginLift/Makefile	(revision 447683)
+++ head/devel/p5-Devel-BeginLift/Makefile	(revision 447684)
@@ -1,21 +1,27 @@
 # $FreeBSD$
 
 PORTNAME=	Devel-BeginLift
 PORTVERSION=	0.001003
 PORTREVISION=	1
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	kuriyama@FreeBSD.org
 COMMENT=	Perl extension to make selected sub calls evaluate at compile time
 
 RUN_DEPENDS=	\
 	p5-B-Hooks-OP-Check-EntersubForCV>=0.03:devel/p5-B-Hooks-OP-Check-EntersubForCV
 BUILD_DEPENDS:=	${RUN_DEPENDS} \
 	p5-ExtUtils-Depends>0:devel/p5-ExtUtils-Depends
 
 USES=		perl5
 USE_PERL5=	configure
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502501
+BROKEN=		Does not build, op_sibling usage. https://rt.cpan.org/Public/Bug/Display.html?id=115272
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/p5-Regexp-Compare/Makefile
===================================================================
--- head/devel/p5-Regexp-Compare/Makefile	(revision 447683)
+++ head/devel/p5-Regexp-Compare/Makefile	(revision 447684)
@@ -1,22 +1,28 @@
 # Created by: Sunpoet Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	Regexp-Compare
 PORTVERSION=	0.28
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Partial ordering for regular expressions
 
 LICENSE=	ART10 GPLv1
 LICENSE_COMB=	dual
 
 USE_PERL5=	configure
 USES=		perl5
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Regexp/Compare/Compare.so
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502700
+BROKEN=		Does not support 5.27+
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/p5-UNIVERSAL-ref/Makefile
===================================================================
--- head/devel/p5-UNIVERSAL-ref/Makefile	(revision 447683)
+++ head/devel/p5-UNIVERSAL-ref/Makefile	(revision 447684)
@@ -1,20 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	UNIVERSAL-ref
 PORTVERSION=	0.14
 PORTREVISION=	1
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:JJORE
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	tobez@FreeBSD.org
 COMMENT=	Turns ref() into a multimethod
 
 BUILD_DEPENDS=	p5-B-Utils>=0:devel/p5-B-Utils
 RUN_DEPENDS:=	${BUILD_DEPENDS}
 
 USES=		perl5
 USE_PERL5=	configure
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502501
+BROKEN=		Does not build, op_sibling usage. https://rt.cpan.org/Public/Bug/Display.html?id=118008
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/p5-rpm-build-perl/Makefile
===================================================================
--- head/devel/p5-rpm-build-perl/Makefile	(revision 447683)
+++ head/devel/p5-rpm-build-perl/Makefile	(revision 447684)
@@ -1,22 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	rpm-build-perl
 PORTVERSION=	0.82
 PORTREVISION=	1
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:ATOURBIN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	This module is required to build Perl RPM packages
 
 TEST_DEPENDS=	p5-Try-Tiny>=0:lang/p5-Try-Tiny
 
 USES=		perl5
 USE_PERL5=	configure
 
 post-patch:
 	@${REINPLACE_CMD} -e 's| perl.clean||' ${WRKSRC}/Makefile.PL
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} >= 502501
+BROKEN=		Does not build, op_sibling usage. https://rt.cpan.org/Public/Bug/Display.html?id=117350
+.endif
+
+.include <bsd.port.post.mk>