libgweather is a library to access weather information from online 
services for numerous locations.

Below variables can be used to configure the build:
        GTKDOC=yes          : Generate the API reference
        OWNAPI=APIKEY       : Specify an API key for OpenWeatherMap
        GLADE_CATALOG=yes   : Install a glade catalog file
        VALA=no             : Don't generate vala files
