>=audacity-1.3.2 is hardcoding the location of wx-config. This'll break with upcoming changes we're making to support wxGTK-2.8. The attached patch updates the ebuild to use wxwidgets eclass which ensures it'll work now and in the future.
Created attachment 117041 [details, diff] audacity-1.3.2-r1.ebuild.wxwidgets.diff
applied, thanks for the fix