lower to saner warning level
@@ -32,7 +32,7 @@ BUILD_DIR = build/$(MODE)
OBJS = $(addsuffix .o,$(addprefix $(BUILD_DIR)/,$(basename $(SOURCE))))
DEPS = $(addsuffix .d,$(addprefix $(BUILD_DIR)/,$(basename $(SOURCE))))
-COMMON_FLAGS = -Wall -Wextra -MMD -MP --specs=nano.specs --specs=nosys.specs \
+COMMON_FLAGS = -Wall -MMD -MP --specs=nano.specs --specs=nosys.specs \
-fsingle-precision-constant -fno-exceptions -fstack-usage \
-ffunction-sections -fdata-sections
