Re: New compat_bsdos.8 Manpage

On Sun, Aug 30, 2020 at 00:58:07 +0300, Valery Ushakov wrote:

> /emul/$foo is a magic place for emulations, the kernel arranges for
> lookups under /emul/$foo before lookups upder the normal root, etc.
> So when the proposed wording suggests to put stuff under /emul/bsdos
> that is NOT magic, that is potentially very confusing.  Yes, I know
> it's also mentioned in the old version (and now that I've noticed, I'm
> not happy about it), but the new text suggests to add symlinks from
> /shlib to /emul/bsdos/shlib and to me that looks like a very confusing
> setup.
> 
> So ideally the wording should explain that bsdos does NOT have a magic
> /emul/$foo root like other emulations as it's COMPAT_NOMID, not
> COMPAT_BSDOS, and the binaries run under COMPAT_NOMID get their files
> looked up in the normal root namespace, so you have to have a real
> /shlib in you file system, whatever that is, a directory or a symlink
> to elsewhere.  /emul/bsdos/shlib might be not that bad a choice for
> $elsewhere, but then the man page has to be super-clear that this is
> just to follow the convention and there's no magic in that choice, as
> /emul prefix might imply.

This actually prompted me to look around I guess we need to update man
pages for ldconfig(8) and ld.so.conf(5) b/c from a quick look ldconfig
would actually look under /emul/aout for both the config and the
libraries and that's not mentioned in the man pages.

-uwe