Index: head/games/dxx-rebirth/Makefile
===================================================================
--- head/games/dxx-rebirth/Makefile	(revision 566921)
+++ head/games/dxx-rebirth/Makefile	(revision 566922)
@@ -1,42 +1,39 @@
 # Created by: Piotr Kubaj <pkubaj@anongoth.pl>
 # $FreeBSD$
 
 PORTNAME=	dxx-rebirth
-PORTVERSION=	20210126
+PORTVERSION=	20210224
 DISTVERSIONSUFFIX=	-src
 CATEGORIES=	games
 MASTER_SITES=	https://www.dxx-rebirth.com/download/dxx/rebirth/
 DISTNAME=	${PORTNAME}_${PORTVERSION}${DISTVERSIONSUFFIX}
 
-PATCH_SITES=	https://github.com/dxx-rebirth/dxx-rebirth/commit/
-PATCHFILES=	15bd145daf7993ed0a0c7c270501f0310cfe6a9f.patch:-p1
-
 MAINTAINER=	pkubaj@FreeBSD.org
 COMMENT=	Open source port of Descent and Descent 2
 
 LICENSE=	GPLv3 PARALLAX
 LICENSE_COMB=	multi
 LICENSE_NAME_PARALLAX=	original Parallax license
 LICENSE_FILE_GPLv3=	${WRKSRC}/GPL-3.txt
 LICENSE_FILE_PARALLAX=	${WRKSRC}/COPYING.txt
 LICENSE_PERMS_PARALLAX=	dist-mirror pkg-mirror auto-accept
 
 BUILD_DEPENDS=	as:devel/binutils
 LIB_DEPENDS=	libphysfs.so:devel/physfs \
 		libpng.so:graphics/png
 
-USES=		compiler:c++14-lang gl localbase:ldflags pkgconfig scons sdl \
+USES=		compiler:c++17-lang gl localbase:ldflags pkgconfig scons sdl \
 		tar:xz
 USE_GL=		gl glu
 USE_SDL=	image2 mixer2 sdl2
 
 MAKE_ARGS=	ignore_unknown_variables=1 sdl2=1
 
 PLIST_FILES=	bin/d1x-rebirth \
 		bin/d2x-rebirth
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/d1x-rebirth \
 		${STAGEDIR}${PREFIX}/bin/d2x-rebirth
 
 .include <bsd.port.mk>
Index: head/games/dxx-rebirth/distinfo
===================================================================
--- head/games/dxx-rebirth/distinfo	(revision 566921)
+++ head/games/dxx-rebirth/distinfo	(revision 566922)
@@ -1,5 +1,3 @@
-TIMESTAMP = 1612896800
-SHA256 (dxx-rebirth_20210126-src.tar.xz) = 2ae7546572504a6f0462e32e14331a969643bb0a47440ab24475c63bba70735d
-SIZE (dxx-rebirth_20210126-src.tar.xz) = 1339032
-SHA256 (15bd145daf7993ed0a0c7c270501f0310cfe6a9f.patch) = cc644b3299b28432a89d82038ab32f14b196f2b4051c2fbc64993bee486cc887
-SIZE (15bd145daf7993ed0a0c7c270501f0310cfe6a9f.patch) = 945
+TIMESTAMP = 1614639829
+SHA256 (dxx-rebirth_20210224-src.tar.xz) = 664bed5b4fe1737e3b232a60fab5fe1279628b7b75da70609c04f0499b6cc1e1
+SIZE (dxx-rebirth_20210224-src.tar.xz) = 1337800