040000 tree b51d0d2aa433e2a037d53b9a8d1f4599856bdf26	archive
040000 tree 691672d0b25829afd2762ad84dc0949136f8b934	arm-eabi-4.2.1
040000 tree 9cd59780fc3405d508849e72784a150fa21eafcd	arm-eabi-4.4.0