$ export ARCH=arm64 $ export CROSS_COMPILE=aarch64-none-elf- $ export PATH=/opt/toolchains/gcc-linaro-aarch64-none-elf-4.9-2014.09_linux/bin:$PATH $ export PATH=/opt/toolchains/gcc-linaro-arm-none-eabi-4.8-2014.04_linux/bin:$PATH $ export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64 $ export PATH=$JAVA_HOME/bin:$PATH $ source build/envsetup.sh $ lunch odroidc2-eng-32 $ make -j4 selfinstall