Index: devel/tbb/Makefile
===================================================================
--- devel/tbb/Makefile	(revision 561191)
+++ devel/tbb/Makefile	(working copy)
@@ -3,12 +3,12 @@
 
 PORTNAME=	tbb
 PORTVERSION=	2020.3
-PORTREVISION=	1
 DISTVERSIONPREFIX=	v
+PORTREVISION=	2
 CATEGORIES=	devel
 
 MAINTAINER=	martymac@FreeBSD.org
-COMMENT=	Library that provides thread building blocks
+COMMENT=	Library that provides thread building blocks (legacy version)
 
 LICENSE=	APACHE20
 
@@ -17,6 +17,8 @@
 
 USES=	compiler gmake tar:tgz
 
+CONFLICTS=	onetbb-[0-9]*
+
 USE_GITHUB=	yes
 GH_ACCOUNT=	oneapi-src
 GH_PROJECT=	oneTBB
Index: devel/tbb/pkg-descr
===================================================================
--- devel/tbb/pkg-descr	(revision 561191)
+++ devel/tbb/pkg-descr	(working copy)
@@ -6,4 +6,7 @@
 task-based parallelism that abstracts platform details and threading
 mechanism for performance and scalability.
 
+That port is the legacy version of tbb and will not be updated anymore.
+See devel/onetbb for newer versions.
+
 WWW: http://threadingbuildingblocks.org/