Fwd: gpsd support

OK :)

However, if I read your code correctly, it still seems to me that there is a fixed compile time decision if gpsd or built-in gps support is to be used. I think it would be better to keep it a runtime decision, i.e. 1) if gpsd headers/library available during compilation, build support for _both_ gpsd and built-in gps into the program, 2) if they are not available, only include the built-in gps support. That's easy to do. I can maintain the original gps interface, so old code

The decision which method to use should be a config file option. Please make sure that a config file configured for built-in gps support will work with both versions of the program. A config file requesting the use of gpsd support should make the program abort if it was compiled without gpsd support included. Not sure to agree. Execs from layer23/misc don't rely on config files.