From 11acb6da21649b3b04412138f7b2d4b78a95c18e Mon Sep 17 00:00:00 2001
From: "Yann E. MORIN" <yann.morin.1998@free.fr>
Date: Wed, 10 Jun 2015 20:52:15 +0200
Subject: arch: do not allow specifying both --with-cpu and --with-tune

Similarly to what we've just done to prevent both --with-arch and
--with-cpu, we do the same to prevent using both --with-cpu and
--with-tune at the same time, since --with-cpu should fully imply
the CPU to tune for (and gcc now errors out when both are specified.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Bryan Hundven <bryanhundven@gmail.com>

diff --git a/config/target.in b/config/target.in
index 629fb80..fb5bbc0 100644
--- a/config/target.in
+++ b/config/target.in
@@ -253,6 +253,7 @@ config ARCH_TUNE
     string
     prompt "Tune for CPU"
     depends on ARCH_SUPPORTS_WITH_TUNE
+    depends on ARCH_CPU = ""
     default ""
     help
       This option is very similar to the ARCH_CPU option (above), except
-- 
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