Index: head/sysutils/cloudabi-utils/Makefile
===================================================================
--- head/sysutils/cloudabi-utils/Makefile	(revision 392613)
+++ head/sysutils/cloudabi-utils/Makefile	(revision 392614)
@@ -1,37 +1,47 @@
 # Created by: Ed Schouten <ed@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cloudabi-utils
 PORTVERSION=	0.2
 CATEGORIES=	sysutils
 MASTER_SITES=	https://nuxi.nl/distfiles/cloudabi-utils/
 
 MAINTAINER=	ed@FreeBSD.org
 COMMENT=	Utilities for running CloudABI programs
 
 LICENSE=	BSD2CLAUSE
 
 BUILD_DEPENDS=	cloudabi-toolchain>=0:${PORTSDIR}/devel/cloudabi-toolchain
 LIB_DEPENDS=	libyaml.so:${PORTSDIR}/textproc/libyaml
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON=	CloudABI has not yet been ported to other architectures
 
 USES=		compiler:c11 tar:xz
 
 PLIST_FILES=	bin/cloudabi-run \
 		libexec/cloudabi-reexec \
 		man/man1/cloudabi-run.1.gz
 
+CFLAGS+=	-I${LOCALBASE}/include
+LDFLAGS+=	-L${LOCALBASE}/lib
+
 do-build:
 	@cd ${WRKSRC} && \
+		${SETENV} ${MAKE_ENV} \
 		PREFIX=${LOCALBASE} \
 		CLOUDABI_CC=${LOCALBASE}/bin/x86_64-unknown-cloudabi-cc \
 		${SH} build
 
 do-install:
 	@cd ${WRKSRC} && \
 		PREFIX=${STAGEDIR}${PREFIX} \
 		${SH} install
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} < 1000100
+IGNORE=		CloudABI will never support this version of FreeBSD
+.endif
+
+.include <bsd.port.post.mk>