x11-plugins/wmdf 0.1.6-r1 compiles and runs on amd64 without any apparent problems. Suggest you consider removing the ~ from amd64 Reproducible: Always
FYI, from https://bugs.gentoo.org/describekeywords.cgi: KEYWORDREQ: Request for a package to be keyworded for ~arch STABLEREQ: Request for a package to be stablized It's also customary to put the full package (plus version) in the summary. But thanks for the request, you got it 90% right :)
amd64 stable, closing