Check the attached build log with wxGTK built with no USE flags.
Created attachment 171924 [details] Build log
+ 05 Jul 2010; Patrick Lauer <patrick@gentoo.org> -pgadmin3-1.4.3.ebuild, + -pgadmin3-1.8.4.ebuild, -pgadmin3-1.10.0.ebuild, -pgadmin3-1.10.1.ebuild, + pgadmin3-1.10.2.ebuild, pgadmin3-1.10.3.ebuild: + Fix wxgtk depend #247008, remove old