diydrones/PX4Firmware — pull request #20 by mday299 (2014-11-06 21:07:07+00:00)
Title: Support gcc 4.8.

Since install-preqs-ubuntu.sh script from ardupilot pulls down 4.8
I don't understand why this mk file wants 4.7. I couldn't get:

make px4-v2-upload

to work before making this change.