Index: devel/autoconf213/Makefile
===================================================================
--- devel/autoconf213/Makefile	(revision 520720)
+++ devel/autoconf213/Makefile	(working copy)
@@ -22,14 +22,20 @@ BUILD_DEPENDS=	gm4:devel/m4
 RUN_DEPENDS=	gm4:devel/m4 \
 		autoconf-wrapper:devel/autoconf-wrapper
 
+USES=		perl5 desthack tar:bzip2
+
+OPTIONS_DEFINE=	INFO
+OPTIONS_DEFAULT=INFO
+
+INFO_INFO=	autoconf-${BUILD_VERSION}
+INFO_USES=	makeinfo
+
 BUILD_VERSION=	2.13
 PLIST_SUB=	BUILD_VERSION=${BUILD_VERSION}
-USES=		perl5 desthack makeinfo tar:bzip2
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	M4=${LOCALBASE}/bin/gm4 AWK=${AWK}
 CONFIGURE_ARGS=	--program-suffix=-${BUILD_VERSION}
 WRKSRC=		${WRKDIR}/autoconf
-INFO=		autoconf-${BUILD_VERSION}
 
 STRIP=		# none