From f13cb8ed2bd4961a4d8af8a44bbd063189243811 Mon Sep 17 00:00:00 2001
From: Ruslan Bukin <br@FreeBSD.org>
Date: Wed, 12 Apr 2017 10:40:30 +0000
Subject: [PATCH] Disable fformat-extensions for RISC-V target as GCC 6.1
 external compiler has no support for that.

Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10348
---
 sys/conf/kern.opts.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/conf/kern.opts.mk b/sys/conf/kern.opts.mk
index 094163157e0..1e661186c9d 100644
--- a/sys/conf/kern.opts.mk
+++ b/sys/conf/kern.opts.mk
@@ -74,6 +74,10 @@ BROKEN_OPTIONS+= CDDL ZFS SSP
 BROKEN_OPTIONS+= ZFS
 .endif
 
+.if ${MACHINE_CPUARCH} == "riscv"
+BROKEN_OPTIONS+= FORMAT_EXTENSIONS
+.endif
+
 # Things that don't work because the kernel doesn't have the support
 # for them.
 .if ${MACHINE} != "i386" && ${MACHINE} != "amd64"