From 01bae4871994429725a34298787a04221fd1368d Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Wed, 11 Jan 2017 22:29:34 -0800
Subject: Do not use sysroot in bare metal.

None of the bare metal C library choices (avr-libc, newlib) support
installing into sysroot. Nor does it make any sense, since sysroot
implies a file system, which in turn implies an OS.

diff --git a/config/toolchain.in b/config/toolchain.in
index b8c1b4a..5a5f929 100644
--- a/config/toolchain.in
+++ b/config/toolchain.in
@@ -4,12 +4,13 @@ comment "General toolchain options"
 
 config FORCE_SYSROOT
     bool
-    default y if !OBSOLETE
+    default y if !OBSOLETE && !BARE_METAL
     select USE_SYSROOT
 
 config USE_SYSROOT
     bool
     prompt "Use sysroot'ed toolchain"
+    depends on !BARE_METAL
     default y
     help
       Use the 'shinny new' sysroot feature of gcc: libraries split between
-- 
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