Upstream doesn't maintain the debian control files, so it did not include the Build-Depends fix I mentioned in comment #1. I've attached a patch to debian/control here against 10.04 (maverick valac source package doesn't appear to be available for some reason).
Upstream doesn't maintain the debian control files, so it did not include the Build-Depends fix I mentioned in comment #1. I've attached a patch to debian/control here against 10.04 (maverick valac source package doesn't appear to be available for some reason).