This has been frequently broken in the past and as far as I know is
used by literally nobody.
Also, even if all modules are compiled into the core any libraries
linked against are and have always been linked dynamically making
this unusable on platforms without dynamic libraries.
- Switch Linux builds to Ubuntu 14.04 from 12.04.
- Split dynamic and static builds into different jobs.
- Remove OS X builds as the infrastructure is slow and unreliable.
