Don't know if it'll be soon, maybe. When implemented it'll be a regex you can edit yourself.
This has now been implemented:
On Thu, 18 Sep 2008 17:08:40 +0100 Nick Treleaven wrote:
Done in SVN - for details, see the error_regex key in: http://www.geany.org/manual/dev/index.html#build-settings-section
Thanks a lot for that!
Is there an ETA for the next release yet? Not sure whether I can (or should) build from source...