Ubuntu – aarch64-linux-gnu-gcc: error: unrecognized command line option ‘-mthumb’
I'm collecting tee.bin for aarm64 rockchip-rk3399. Set the environment variable: compiler, platform. But during assembly it complains about errors. https://optee.readthedocs.io Download the code for build. Installed the environment cd /opt git clone https://github.com/OP-TEE/optee_os.git cd ./optee_os user@ubuntu#export declare -x CFG_TEE_CORE_LOG_LEVEL="4" declare…