I knew it would be something simple...
The link error was due to the ingimp logging code being linked in with
gimp-console, which doesn't have GUI code linked to it.
Thanks for the assistance.
> In our interaction logging, we do a check to make sure a particular
> pointer is actually a GimpDisplayShell by using GIMP_IS_DISPLAY_SHELL().
> In 2.2.x, this worked, but in 2.3.x there is a link error (undefined
> reference to gimp_display_shell_get_type). Our interaction logging code
> is linked in with app/core; where does this missing function reside so
> that we can use GIMP_IS_DISPLAY_SHELL?
> Thanks for any help,
> Michael Terry
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