Index: head/devel/ocaml-lwt/Makefile
===================================================================
--- head/devel/ocaml-lwt/Makefile	(revision 386578)
+++ head/devel/ocaml-lwt/Makefile	(revision 386579)
@@ -1,72 +1,73 @@
 # Created by: jaapb@kerguelen.org
 # $FreeBSD$
 
 PORTNAME=	lwt
 PORTVERSION=	2.4.8
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel
 PKGNAMEPREFIX=	ocaml-
 
 MAINTAINER=	johans@FreeBSD.org
 COMMENT=	Cooperative threading library for OCaml
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ocsigen
 
 LICENSE=	LGPL21
 
 BUILD_DEPENDS=		${SA_DIR}/react/react.a:${PORTSDIR}/devel/ocaml-react \
 			${SA_DIR}/ssl/ssl.a:${PORTSDIR}/security/ocaml-ssl
 RUN_DEPENDS=		${SA_DIR}/react/react.a:${PORTSDIR}/devel/ocaml-react \
 			${SA_DIR}/ssl/ssl.a:${PORTSDIR}/security/ocaml-ssl
 
 MAKE_JOBS_UNSAFE=	yes
 
 USES=			gmake
 USE_OCAML=		yes
 OCAMLC_DEPEND=		ocaml>=3.11:${OCAMLC_PORT}
 USE_OCAML_FINDLIB=	yes
 USE_OCAML_CAMLP4=	yes
 USE_OCAMLFIND_PLIST=	yes
 USE_OCAML_LDCONFIG=	yes
 HAS_CONFIGURE=		yes
 CONFIGURE_ARGS=		--destdir "${STAGEDIR}" \
 			--prefix "${PREFIX}" \
+			--enable-camlp4 \
 			--enable-ssl \
 			--enable-react \
 			--disable-libev \
 			--disable-glib
 
 DOCSDIR=		${PREFIX}/share/doc/ocaml/${PORTNAME}
 SA_DIR=         	${PREFIX}/${OCAML_SITELIBDIR}
 
 OPTIONS_DEFINE=		DOCS
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MDOCS}
 CONFIGURE_ARGS+=	--enable-docs --docdir ${STAGEDIR}${DOCSDIR}
 # For some reason, ocaml-text is needed when building documentation
 BUILD_DEPENDS+=		${SA_DIR}/text/text.a:${PORTSDIR}/textproc/ocaml-text
 RUN_DEPENDS+=		${SA_DIR}/text/text.a:${PORTSDIR}/textproc/ocaml-text
 .else
 CONFIGURE_ARGS+=	--disable-docs
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,"install" :: findlib_name,"install" :: "-destdir ${STAGEDIR}${PREFIX}/lib/ocaml/site-lib" :: "-ldconf /dev/null" :: findlib_name,' \
 		${WRKSRC}/setup.ml
 
 do-configure:
 	cd ${WRKSRC}; ocaml setup.ml -configure ${CONFIGURE_ARGS}
 	@${REINPLACE_CMD} -e 's%"-lev"%"-lev -L${PREFIX}/lib/ev -Wl,-R${PREFIX}/lib/ev"%' \
 		${WRKSRC}/setup.data
 
 do-build:
 	cd ${WRKSRC}; ocaml setup.ml -build
 
 do-install:
 	${MKDIR} ${STAGEDIR}${SA_DIR}
 	cd ${WRKSRC}; ocaml setup.ml -install
 
 .include <bsd.port.mk>