QtcProcess::start: Empty environment set when running '/usr/bin/gdb'.

1. Start Creator from the command line.
2. Go to "Tools" -> "Options..." -> "Kits" -> "Debugger".
3. Select gdb from the list of debuggers.
   Creator writes to the command line:

   QtcProcess::start: Empty environment set when running '/usr/bin/gdb'.
   

This is probably harmless, but confusing. It would be nice if you could either fix the issue Creator is complaining about or discard that warning.