+ gcc-arm-embedded = (import (builtins.fetchTarball {
+ url = "https://github.com/NixOS/nixpkgs-channels/archive/87f146a41c463a64c93022b11cf19716b3a22037.tar.gz";
+ sha256 = "0rk8haf19plw6vyvq0am99rik0hrrysknjw0f2vs7985awngy3q2";
+ }) {}).gcc-arm-embedded;