[Bug bootstrap/109709] List of prerequisites should include that tar is required (not only for unpacking the source).

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109709

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Maybe we should just say "a full set of POSIX shell utilities (ls, cp, find,
tar, sed, etc.) is expected to be available" and leave it at that.