wavpack 4.2 is out, bringing various fixes and enhancements new ebuild, seems to work fine Reproducible: Always Steps to Reproduce:
Created attachment 57560 [details] new ebuild for wavpack-4.2
added new version to the tree, thanks for reporting and for using gentoo. if you only do minimal changes to a ebuild, please attach a diff. makes it easy to see all changes directly. thanks again.