Index: head/sysutils/sample/Makefile
===================================================================
--- head/sysutils/sample/Makefile	(revision 457225)
+++ head/sysutils/sample/Makefile	(revision 457226)
@@ -1,38 +1,37 @@
 # $FreeBSD$
 
 PORTNAME=	sample
 PORTVERSION=	0.02f
 PORTREVISION=	1
 CATEGORIES=	sysutils
 
 MAINTAINER=	wg@FreeBSD.org
 COMMENT=	Examine periodic stack traces of all running processes
 
 LICENSE=	BSD3CLAUSE
 
+ONLY_FOR_ARCHS=	amd64
+ONLY_FOR_ARCHS_REASON=	device driver part of the program only supports amd64
+
 BUILD_DEPENDS=	${LOCALBASE}/lib/libbfd.a:devel/libbfd \
 		${LOCALBASE}/lib/libiberty.a:devel/gnulibiberty \
 		${LOCALBASE}/lib/libxo.a:devel/libxo \
 		${LOCALBASE}/bin/python:lang/python
-
-BROKEN_i386=		does not build: don't know how to make sample_support_i386.c
-BROKEN_powerpc64=	does not build: don't know how to make sample_support_powerpc64.c
-BROKEN_sparc64=		does not build: don't know how to make sample_support_sparc64.c
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	freenas
 GH_TAGNAME=	45e2b86
 
 USES=		python:build kmod
 USE_PYTHON=	cython
 
 MAKE_ENV=	SYSDIR=${SRC_BASE}/sys
 
 SSP_UNSAFE=	yes
 
 do-install:
 	${INSTALL_KLD} ${WRKSRC}/driver/sample_driver.ko ${STAGEDIR}${KMODDIR}
 	${INSTALL_MAN} ${WRKSRC}/sample/sample.8 ${STAGEDIR}${PREFIX}/man/man8
 	${INSTALL_PROGRAM} ${WRKSRC}/sample/sample ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>