The toolchain of my linux computer is x86_64-redhat-linux.
On Juno board, I run the prebuilt image https://releases.linaro.org/openembedded/juno-lsk/15.09/lt-vexpress64-openembedded_minimal-armv8-gcc-4.9_20150912-729.img.gz
1. I searched online, many developers…