Index: Makefile
===================================================================
--- Makefile	(revision 353092)
+++ Makefile	(working copy)
@@ -16,8 +16,6 @@
 LICENSE=	GFDL GPLv3
 LICENSE_COMB=	multi
 
-RUN_DEPENDS=	git>0:${PORTSDIR}/devel/git
-
 USES=		gmake
 USE_EMACS=	YES
 INFO=		magit
@@ -28,4 +26,9 @@
 		INFODIR=${STAGEDIR}${PREFIX}/${INFO_PATH}
 PLIST_SUB+=	ELISPDIR=${ELISPDIR}
 
+OPTIONS_DEFINE=		GIT_SUBVERSION
+GIT_SUBVERSION_DESC=	Use devel/git-subversion as backend
+GIT_SUBVERSION_RUN_DEPENDS=	git-subversion>0:${PORTSDIR}/devel/git-subversion
+GIT_SUBVERSION_RUN_DEPENDS_OFF=	git>0:${PORTSDIR}/devel/git
+
 .include <bsd.port.mk>