Left it there, but commented out, just in case anyone needs it later.
But it was reported that the setcap line failed anyway:
Sep 24 09:20:15 bbs setcap[21466]: Failed to set capabilities on file
`/sbbs/repo/src/sbbs3/gcc.linux.*.exe.*/sbbs' (No such file or directory)
Sep 24 09:20:15 bbs setcap[21466]: The value of the capability argument is not
permitted for a file. Or the file is not a regular (non-symlink) file