From b846480d5a83171e85dba48422b42aa95e29d31a Mon Sep 17 00:00:00 2001
From: David Cuthbert <dacut@kanga.org>
Date: Thu, 17 Sep 2020 15:14:39 -0700
Subject: [PATCH] Output an error message if LINK_TIME_OPTIMIZATION_ENABLE is
 set but LTO_ENABLE is not (#10217)

* Output an error message if LINK_TIME_OPTIMIZATION_ENABLE is set but LTO_ENABLE is not.

* Update common.mk

Specify that LINK_TIME_OPTIMZATION_ENABLE has been renamed, not deprecated.
---
 tmk_core/common.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 3c9de33c99..c60a1c4052 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -161,6 +161,8 @@ ifeq ($(strip $(LTO_ENABLE)), yes)
     EXTRAFLAGS += -flto
     TMK_COMMON_DEFS += -DLTO_ENABLE
     TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATON_ENABLE
+else ifdef LINK_TIME_OPTIMIZATION_ENABLE
+    $(error The LINK_TIME_OPTIMIZATION_ENABLE flag has been renamed to LTO_ENABLE.)
 endif
 
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