Index: head/lang/rust/pkg-message
===================================================================
--- head/lang/rust/pkg-message	(nonexistent)
+++ head/lang/rust/pkg-message	(revision 435205)
@@ -0,0 +1,12 @@
+======================================================================
+
+Printing Rust backtraces requires procfs(5) mounted on /proc .
+If you have not already done so, please do the following:
+
+	mount -t procfs proc /proc
+
+To make it permanent, you need the following lines in /etc/fstab:
+
+	proc	/proc		procfs		rw	0	0
+
+======================================================================

Property changes on: head/lang/rust/pkg-message
___________________________________________________________________
Added: fbsd:nokeywords
## -0,0 +1 ##
+yes
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Index: head/lang/rust-nightly/Makefile
===================================================================
--- head/lang/rust-nightly/Makefile	(revision 435204)
+++ head/lang/rust-nightly/Makefile	(revision 435205)
@@ -1,40 +1,42 @@
 # Created by: Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
 # $FreeBSD$
 
 PORTVERSION=	1.17.0.20170212
 PKGNAMESUFFIX=	-nightly
 DISTNAME=	#
 DISTFILES=	${BOOTSTRAP_FILES}
 
 MAINTAINER=	dumbbell@FreeBSD.org
 
 MASTERDIR=	${.CURDIR}/../rust
 PATCHDIR=	${.CURDIR}/files
 DISTINFO_FILE=	${.CURDIR}/distinfo
 
 USE_GITHUB=	yes
 GH_TUPLE=	rust-lang:rust:282fa87 \
 		rust-lang:compiler-rt:d30da54:compiler_rt/src/compiler-rt \
 		rust-lang:hoedown:da282f1:hoedown/src/rt/hoedown \
 		rust-lang:jemalloc:11bfb0d:jemalloc/src/jemalloc \
 		rust-lang:libc:8d8264b:liblibc/src/liblibc \
 		rust-lang:rust-installer:4f99485:rust_installer/src/rust-installer
 
 CONFLICTS_BUILD=	rust # see FIXME in `pre-fetch` in lang/rust/Makefile
 CONFLICTS_INSTALL=	rust
 
+PKGMESSAGE=	${.CURDIR}/../rust/pkg-message
+
 RUST_BOOTSTRAP_DIR=		2017-02-01
 RUST_BOOTSTRAP_VERSION=		beta
 
 CARGO_BOOTSTRAP_DIR=		bfee18f73287687c543bda8c35e4e33808792715
 CARGO_BOOTSTRAP_VERSION=	nightly
 
 PORT_LLVM_EXTRACT_ONLY_OFF=	${DISTFILE_llvm}
 PORT_LLVM_GH_TUPLE_OFF=		rust-lang:llvm:ceb177e:llvm
 PORT_LLVM_VARS_OFF=		NOPRECIOUSMAKEVARS=1 # ARCH
 
 post-extract-PORT_LLVM-off:
 	@(${RMDIR} ${WRKSRC}/src/llvm && \
 	  ${MV} ${WRKSRC_llvm} ${WRKSRC}/src/llvm)
 
 .include "${MASTERDIR}/Makefile"