x11-plugins/pidgin-libnotify install by default a static-lib, I suggest add static-libs USE flag or fully disable that (and remove the useless .la file, in this case).
*** Bug 327239 has been marked as a duplicate of this bug. ***
This is kind of suggestion. May be I'll take a look with next bump, but... probably you could help by providing us with patch )
Created attachment 237919 [details, diff] Patch to disable static-libs and remove .la files from pidgin-libnotify
Thank you Bruno. I've applied patch similar to provided. FIXED.