-CFLAGS += -DARM_ARCH -DPND_BUILD
-CFLAGS += -funsigned-char
-CFLAGS += -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp -ffast-math
-CFLAGS += -fno-common -fno-builtin
+CFLAGS += -DARM_ARCH -DPND_BUILD -Wall
+CFLAGS += -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp -mfpu=neon -ffast-math