I built the 'musl-cross' package on my personal branch[*] and found that the build output contains a bogus "share/man/man7/gpl.7" file. The file contains only 10 bytes: "timestamp\n".
Mark [*] My personal branch is admittedly very far from the current 'master' branch, but I doubt it makes a difference for purposes of this bug. -- Disinformation flourishes because many people care deeply about injustice but very few check the facts. Ask me about <https://stallmansupport.org>.