Index: devel/autoconf/Makefile
===================================================================
--- devel/autoconf/Makefile	(revision 520720)
+++ devel/autoconf/Makefile	(working copy)
@@ -24,11 +24,17 @@ BUILD_DEPENDS=	gm4:devel/m4 \
 RUN_DEPENDS=	gm4:devel/m4 \
 		autoconf-wrapper:devel/autoconf-wrapper
 
+USES=		gmake perl5 tar:xz
+
+OPTIONS_DEFINE= INFO
+OPTIONS_DEFAULT=INFO
+
 BUILD_VERSION=	2.69
 PLIST_SUB=	BUILD_VERSION=${BUILD_VERSION}
-USES=		gmake makeinfo perl5 tar:xz
-INFO=		autoconf
 
+INFO_INFO=	autoconf
+INFO_USES=	makeinfo
+
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	M4=${LOCALBASE}/bin/gm4 AWK=${AWK} \
 		ac_cv_prog_TEST_EMACS=no
@@ -38,6 +44,8 @@ GENERIC_TOOLS=	config.guess config.sub	elisp-comp
 GENERIC_LINKS=	autoconf autoheader autom4te autoreconf autoscan autoupdate \
 		ifnames
 
+.include <bsd.port.options.mk>
+
 post-patch:
 	@(cd ${WRKSRC}/man && \
 		for file in *.[1x]; do \
@@ -44,7 +52,9 @@ post-patch:
 			${REINPLACE_CMD} -E 's,([^-]auto)(conf|make|reconf|update|header|scan),\1\2-${BUILD_VERSION},g ; \
 						s,(config\.guess|config\.sub|ifnames),\1-${BUILD_VERSION},g' $$file ; \
 		done)
+.if ${PORT_OPTIONS:MINFO}
 	@(cd ${WRKSRC}/doc && ${RM} *.info)
+.endif
 	@${FIND} ${WRKSRC} -name Makefile.in | ${XARGS} ${REINPLACE_CMD} -e \
 		's|@PACKAGE@$$|@PACKAGE@-@VERSION@|'