add -Wreturn-type

2023-03-21 13:21:59 +07:00 · 2023-03-21 13:21:59 +07:00 · ccf17e3cde
parent e44e461ce3
commit ccf17e3cde
1 changed files with 1 additions and 0 deletions
--- 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