Index: head/sysutils/cloudabi-utils/Makefile
===================================================================
--- head/sysutils/cloudabi-utils/Makefile	(revision 460689)
+++ head/sysutils/cloudabi-utils/Makefile	(revision 460690)
@@ -1,36 +1,32 @@
 # Created by: Ed Schouten <ed@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cloudabi-utils
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.38
 CATEGORIES=	sysutils
 
 MAINTAINER=	ed@FreeBSD.org
 COMMENT=	Utilities for running CloudABI programs
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	aarch64 amd64 armv6 armv7 i386
 ONLY_FOR_ARCHS_REASON=	CloudABI has not yet been ported to other architectures
 
+IGNORE_FreeBSD_10=	requires various C++17 features
+
 BUILD_DEPENDS=	${LOCALBASE}/include/cloudabi_types.h:devel/cloudabi \
 		${LOCALBASE}/include/flower/protocol/switchboard.ad.h:net/flower \
 		${LOCALBASE}/include/yaml2argdata/yaml_builder.h:devel/yaml2argdata
 LIB_DEPENDS=	libargdata.so:devel/argdata \
 		libarpc.so:devel/arpc \
 		libyaml-cpp.so:devel/yaml-cpp
 
-USES=		cmake localbase:ldflags pkgconfig tar:xz
+USES=		cmake localbase:ldflags pkgconfig
 USE_LDCONFIG=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	NuxiNL
 
-.include <bsd.port.pre.mk>
-
-.if ${OPSYS} == FreeBSD && ${OSVERSION} < 1100511
-IGNORE=		requires various C++17 features
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>