By default, if the system version exists and can be used,
then it will be used. Otherwise, the local version will be used
Original patch by Saikrishna Arcot via
https://gitorious.org/fg/flightgear/merge_requests/1582
slightly modified
* mongoose updated to 5.3
* first stab at implementing websockets, here a property change listener
websocket. This websocket is at ws://yourhost:yourport/PropertyListener
see FGDATA/Docs/gui/radio.html for an example
- Not compiled by default, nor hooked up to anything yet.
- Both libraries licensed under modified BSD license.
- Added top-level CMake file for both, to create a plain static
library for each.
Move sqlite source to a separate location, and build with
an intermediate library target. This permits us to set compile options
easier, including an important one, NDEBUG, which improves performance.
Sqlite 3.8.0.2 also includes an updated query planner which may improve
some queries, to be tested.
