https://gitweb.gentoo.org/repo/gentoo.git/tree/media-sound/xmms2/xmms2-0.8-r4.ebuild Here it is noted that: waf fails on python3_5: AttributeError: Can't pickle local object 'Context.__init__.<locals>.node_class' , but this error comes up with every other python used by emerge as well. Reproducible: Always
Created attachment 452926 [details] build.log
Dropeed support for python-3.5: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=51bb14a7d36eb327daf1ef644a5c4e530320f8f1 I should not have added it in the first place. How did you test 3.4/2.7 failure? It worked for me.