chocolate-doom/chocolate-doom — pull request #388 by willybarro (2014-04-29 22:25:15+00:00)
Title: Add native notification box for errors on linux.

Errors will now be shown as a message box, instead of
only a console message. This fixes the user not seeing
error messages, like if the IWAD is not provided.

- Add zenity notification box call on I_Error