This is an auto-filled bug because dev-libs/log4sh calls commands that do not exist.
The issue was originally discovered on amd64, but it may be reproducible on other arches as well.
If you think that a different summary clarifies the issue better, feel free to change it.
Attached build log and emerge --info.
Created attachment 639010 [details]
build log and emerge --info
tinderbox_musl has reproduced this issue with version 1.4.2 - Updating summary.