From ccf17e3cde4c3ca42731829107ca18217aab541e Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Tue, 21 Mar 2023 13:21:59 +0700
Subject: [PATCH] add  -Wreturn-type

---
 examples/make.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/make.mk b/examples/make.mk
index 0a07da21c..2ce6fb398 100644
--- a/examples/make.mk
+++ b/examples/make.mk
@@ -150,6 +150,7 @@ GCC_CFLAGS += \
   -Wnull-dereference \
   -Wuninitialized \
   -Wunused \
+  -Wreturn-type \
   -Wredundant-decls
 
 # conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion