Je to popsáno v článku pod Troubleshooting:
This error can happen when you run wego on a platform which is not supported by the native Go compiler gc (e.g., Fedora). In that case, you can compile the program using gccgo, a compiler-frontend for Go language. This can be done as follows....
Autor nemůže zkoušet na všech distribucích ;)
http://wttr.in/ritka misto ritka lze zadat jakekoliv podporovane mesto