From 26eef35f07698d23aafae90e1c230b52e100a334 Mon Sep 17 00:00:00 2001
From: James Young <xxiinophobia@yahoo.com>
Date: Sat, 29 Feb 2020 12:00:00 -0800
Subject: 2020 February 29 Breaking Changes Update (#8064)

---
 tmk_core/common.mk | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'tmk_core/common.mk')

diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 5f149d8f4d..24b764800f 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -172,11 +172,16 @@ ifeq ($(strip $(LTO_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(LINK_TIME_OPTIMIZATION_ENABLE)), yes)
+    ifeq ($(PLATFORM),CHIBIOS)
+        $(info Enabling LTO on ChibiOS-targeting boards is known to have a high likelihood of failure.)
+        $(info If unsure, set LINK_TIME_OPTIMIZATION_ENABLE = no.)
+    endif
     EXTRAFLAGS += -flto
     TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATION_ENABLE
     TMK_COMMON_DEFS += -DNO_ACTION_MACRO
     TMK_COMMON_DEFS += -DNO_ACTION_FUNCTION
 endif
+
 # Bootloader address
 ifdef STM32_BOOTLOADER_ADDRESS
     TMK_COMMON_DEFS += -DSTM32_BOOTLOADER_ADDRESS=$(STM32_BOOTLOADER_ADDRESS)
-- 
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