From d3bc11857af788e185e8a3ece26ce40757cf3965 Mon Sep 17 00:00:00 2001
From: Philip Prindeville <philipp@redfish-solutions.com>
Date: Tue, 3 Jan 2017 18:15:15 -0700
Subject: [PATCH] target.mk: check that CPU_TYPE has known CPU_CFLAGS mapping

If someone creates a target and indicates a CPU_TYPE, but there's
no corresponding support for that CPU_TYPE's flags in include/target.mk
then that should probably be indicated rather than silently ignored.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
---
 include/target.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/target.mk b/include/target.mk
index 61489cabe7..3523d045ae 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -218,6 +218,11 @@ ifeq ($(DUMP),1)
     CPU_CFLAGS_arc700 = -mcpu=arc700
     CPU_CFLAGS_archs = -mcpu=archs
   endif
+  ifneq ($(CPU_TYPE),)
+    ifndef CPU_CFLAGS_$(CPU_TYPE)
+      $(warning CPU_TYPE "$(CPU_TYPE)" doesn't correspond to a known type)
+    endif
+  endif
   DEFAULT_CFLAGS=$(strip $(CPU_CFLAGS) $(CPU_CFLAGS_$(CPU_TYPE)) $(CPU_CFLAGS_$(CPU_SUBTYPE)))
 
   ifneq ($(BOARD),)
-- 
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