From f8d036d70b20e373d8b7988b362bbb4f7ec9e1ef Mon Sep 17 00:00:00 2001
From: SPRESENSE <41312067+SPRESENSE@users.noreply.github.com>
Date: Thu, 19 Aug 2021 14:25:19 +0900
Subject: [PATCH] drivers/Makefile: Use the -include directive for
 platform/Make.defs

Since `platform` of `platform/Make.defs` is a symbolic link created during
the build process, we use -include directive instead of include for safety.
---
 drivers/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/Makefile b/drivers/Makefile
index ee419624d1..21cbfa9730 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -65,7 +65,7 @@ include rf/Make.defs
 include rc/Make.defs
 
 ifeq ($(CONFIG_SPECIFIC_DRIVERS),y)
-include platform/Make.defs
+-include platform/Make.defs
 endif
 
 ifeq ($(CONFIG_DEV_SIMPLE_ADDRENV),y)