Index: lang/erlang/Makefile
===================================================================
--- lang/erlang/Makefile	(revision 427582)
+++ lang/erlang/Makefile	(working copy)
@@ -3,6 +3,7 @@
 
 PORTNAME=	erlang
 PORTVERSION=	19.1.6
+PORTREVISION=	1
 PORTEPOCH=	3
 CATEGORIES=	lang parallel java
 MASTER_SITES=	http://www.erlang.org/download/:erlangorg		\
@@ -54,9 +55,18 @@
 
 NATIVE_IMPLIES=	HIPE
 
-OPTIONS_DEFAULT=HIPE KQUEUE OPENSSL SCTP SMP THREADS
+OPTIONS_DEFAULT=HIPE KQUEUE OPENSSL SCTP SMP THREADS DTRACE
 OPTIONS_EXCLUDE_DragonFly=	HIPE NATIVE SCTP
 
+.if !exists(/usr/sbin/dtrace)
+OPTIONS_EXCLUDE+=	DTRACE
+.endif
+
+OPTIONS_EXCLUDE_FreeBSD_9+=	DTRACE
+OPTIONS_EXCLUDE_FreeBSD_10+=	DTRACE
+OPTIONS_EXCLUDE+=		${OPTIONS_EXCLUDE_${OPSYS}_${OSREL:R}}
+OPTIONS_EXCLUDE_i386=		DTRACE
+
 ERL_RELEASE=	19.1
 
 USES=		gmake ncurses perl5