Index: devel/libevent2/Makefile
===================================================================
--- devel/libevent2/Makefile
+++ devel/libevent2/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	libevent2
 PORTVERSION=	2.0.22
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	mm@FreeBSD.org
@@ -32,7 +33,7 @@
 OPENSSL_LDFLAGS=	-L${OPENSSLLIB}
 OPENSSL_CONFIGURE_ENABLE=	openssl
 
-THREADS_CONFIGURE_ENABLE=	support
+THREADS_CONFIGURE_ENABLE=	thread-support
 
 post-patch:
 	${ECHO_CMD} 'AC_CONFIG_MACRO_DIR([m4])' >>${WRKSRC}/configure.in