Maybe you lost a step in the command line : "export ARCH=3Daarch64" =20 I usually put it in batch file: export ARCH=3Daarch64 export CROSS_COMPILE=3D/home/lion/gcc-linaro-aarch64/bin/aarch64-linux-gnu- make vexpress_aemv8a =20 =20 Best wishes, ------_=_NextPart_001_01CF27C8.D70FA1D4--