Add Wno- flags to Makefile
@@ -290,7 +290,7 @@ endif
CC := $(CLANGPATH)clang
#CFLAGS += -O0
-CFLAGS += -O3 -Os -I/usr/include
+CFLAGS += -O3 -Os -I/usr/include -Wno-format-invalid-specifier -Wno-format-extra-args -Wno-main
AS := $(GCCPATH)arm-none-eabi-gcc
