Fixed avwrapper exit calls, fixing
issue #752
Fixed fPIC link failure with arm and sparc architectures, fixing
issue #757
Added TargetArch.cmake, from
https://github.com/petroules/solar-cmake/blob/master/TargetArch.cmake
Don't set gravity to normal immediately on turn end, let watchdog do its job if game gets frozen
This is the way I like it:
- Only call fpc on hwengine.pas, let compiler rule the dependencies
- Make hwengine.pas depend on all other source files, so 'make' always calls fpc