Even though I have wxGTK installed, eselect-wxwidgets does not detect it with a 17.1 profile:
$ eselect wxwidgets list
Available wxWidgets profiles:
As a result wx-config is broken and I cannot build any wxWidgets apps.
The fix seems to be changing:
at the top of /usr/share/eselect/modules/wxwidgets.eselect
I'd submit a patch but I couldn't figure out how to do it properly for multilib.
Patch is available in bug 552500
*** This bug has been marked as a duplicate of bug 552500 ***