# merge all CFLAGS
CFLAGS := $(CPU_CFLAGS) $(EXECENV_CFLAGS) $(TOOLCHAIN_CFLAGS) $(MACHINE_CFLAGS)
-CFLAGS += $(TARGET_CFLAGS)
+CFLAGS += $(TARGET_CFLAGS) $(EXTERNAL_LIB_CFLAGS)
# merge all LDFLAGS
LDFLAGS := $(CPU_LDFLAGS) $(EXECENV_LDFLAGS) $(TOOLCHAIN_LDFLAGS) $(MACHINE_LDFLAGS)