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Date: Wed, 2 May 2012 12:26:56 -0400
From: Rich Felker <>
Subject: Re: configure script for musl (?!)

On Wed, May 02, 2012 at 07:41:10PM +0400, Solar Designer wrote:
> > Since set is a shell builtin, I was assuming it won't fail, but I can
> > add "|| fail msg_here" to it.
> FWIW, I was referring to possible script invocations with a non-POSIX
> shell.  If these merely fail to configure musl, that's acceptable.
> If they expose the invoking user to unexpected security risks, that's
> another story.

Yes, but I don't know any way to detect that a shell is non-conformant
short of checking for failure after we perform some particular option
(like set -C) that's possibly broken in non-POSIX shells.


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