After I did Installing Development Packages, I papare GNU Toolchain for ARM.
SAR (Summon arm toolchain)
There is a script named SAR. I use Uwe Hermann's version of SAR.
I did:
git clone https://github.com/uwehermann/summon-arm-toolchain <edit summon-arm-toolchain> : PREFIX=/usr/local ./summon-arm-toolchain
It took about three hours or …