Index: head/www/p5-RT-Extension-MandatoryOnTransition/Makefile
===================================================================
--- head/www/p5-RT-Extension-MandatoryOnTransition/Makefile	(revision 567902)
+++ head/www/p5-RT-Extension-MandatoryOnTransition/Makefile	(revision 567903)
@@ -1,43 +1,54 @@
 # Created by: Mark Felder <feld@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	RT-Extension-MandatoryOnTransition
 DISTVERSION=	0.20
-PORTREVISION=	1
+PORTREVISION=  2
 CATEGORIES=	www net perl5
 MASTER_SITES=	CPAN
-PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	matthew@FreeBSD.org
 COMMENT=	Extension to require core and ticket custom fields on status changes
 
 LICENSE=	GPLv2
 
 BUILD_DEPENDS=	${LOCALBASE}/bin/rt:www/rt${RT_VER}
 RUN_DEPENDS=	${LOCALBASE}/bin/rt:www/rt${RT_VER}
 
+FLAVOR?=       ${FLAVORS:[1]}
+FLAVORS=       rt44 rt50
+rt44_PKGNAMEPREFIX=    p5-RT44-
+rt44_CONFLICTS_INSTALL= rt50
+rt50_PKGNAMEPREFIX=    p5-RT50-
+rt50_CONFLICTS_INSTALL= rt44
+
+.if ${FLAVOR} == rt44
+RT_VER=		       44
+.elif ${FLAVOR} == rt50
+RT_VER=		       50
+.endif
+
 USES=		perl5
 USE_PERL5=	configure
 
 NO_ARCH=	yes
 
-RT_VER=		44
 PLIST_SUB+=	RT_VER=${RT_VER}
 
 # Note: You can install using an arbitrary $PREFIX but only if it
-# matches the $PREFIX used to install www/rt44.  Hence ignore
+# matches the $PREFIX used to install www/rt{44,50}.  Hence ignore
 # $PREFIX in the environment and inherit settings from RT.pm
 do-configure:
 	@cd ${CONFIGURE_WRKSRC} && \
 		unset PREFIX && \
 		${SETENV} ${CONFIGURE_ENV} ${PERL5} -I${SITE_PERL} ${CONFIGURE_CMD} && \
 		${PERL5} -pi -e 's/ doc_(perl|site|\$$\(INSTALLDIRS\))_install$$//' Makefile
 
 post-configure:
 	${REINPLACE_CMD} "/RTxPlugin/d" ${WRKSRC}/Makefile
 
 post-install:
 	${RM} ${STAGEDIR}${PREFIX}/man/auto/RT/Extension/MandatoryOnTransition/.packlist
 	${RMDIR} -p ${STAGEDIR}${PREFIX}/man/auto/RT/Extension/MandatoryOnTransition 2>/dev/null || :
 
 .include <bsd.port.mk>