linux-kernel - Re: Why use /bin/sh in kernel build system?

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Message-ID: <4817A3C1.1020908@freescale.com>
Date:	Tue, 29 Apr 2008 17:40:01 -0500
From:	Timur Tabi <timur@...escale.com>
To:	Willy Tarreau <w@....eu>
CC:	Alexey Dobriyan <adobriyan@...il.com>,
	Mark Rustad <mrustad@...il.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Roland Kuhn <rkuhn@....physik.tu-muenchen.de>,
	linux-kernel@...r.kernel.org, viro@...IV.linux.org.uk
Subject: Re: Why use /bin/sh in kernel build system?

Willy Tarreau wrote:

> Hint: not every joe user may install bash into /bin... That's why we
> see some scripts begin with "/usr/bin/env bash" as there are less
> systems without env in /usr/bin than systems without bash in /bin (or
> at all).

I agree that #!/bin/bash is a bad idea.  I think the easiest, and maybe the
best, approach is to fix shell issue one-by-one.  The one I found was easily
fixed by Al Viro's here-document change.

-- 
Timur Tabi
Linux kernel developer at Freescale
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