I had the same problem with outdated build-deps. (sudo apt-get build-dep unity failed to pull all build dependencies) In my case libxcb-dri2-0-dev was missing IIRC.
I had the same problem with outdated build-deps. (sudo apt-get build-dep unity failed to pull all build dependencies)
In my case libxcb-dri2-0-dev was missing IIRC.