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From: Tim Kientzle <tim@kientzle.com>
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To: Bob Bishop <rb@gid.co.uk>
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Cc: Konstantin Belousov <kostikbel@gmail.com>, toolchain@freebsd.org,
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Subject: Re: [RFC] Un-staticise the toolchain
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On Apr 28, 2012, at 3:03 AM, Bob Bishop wrote:
>=20
> On 28 Apr 2012, at 04:12, David O'Brien wrote:
>=20
>> On Thu, Apr 26, 2012 at 12:38:03PM +0100, Bob Bishop wrote:
>>>> Apparently, current dependencies are much more spread, e.g. /bin/sh
>>>> is dynamically linked [etc]
>>>=20
>>> That seems like a bad mistake, because it would prevent even booting
>>> single-user if rtld/libraries are broken.
>>=20
>> When one enters single user they are prompted for which shell to use.
>> If /bin/sh is broken due to being dynamic, '/rescue/sh' will likely =
still
>> work.
>=20
> Yes. You to have a statically linked /rescue/sh on board, so what's =
the point of /bin/sh being dynamic? The memory footprint really isn't an =
issue, and for my money the default shell ought to be bombproof.

By "default shell", I think you mean "the shell loaded by default
in single user mode".  That shell could be /rescue/sh.

Single-user recovery does not require /bin/sh being static.

Tim