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Re: configure fails on Maemo/OS2008 (sed: no previous regexp)

From: Ralf Wildenhues
Subject: Re: configure fails on Maemo/OS2008 (sed: no previous regexp)
Date: Wed, 26 Mar 2008 06:44:05 +0100
User-agent: Mutt/1.5.17+20080114 (2008-01-14)

Hi Eric,

* Eric Blake wrote on Wed, Mar 26, 2008 at 04:40:12AM CET:
> There's several other places in autoconf that violate this.
>  Should we follow our own advice and not use s//\1/?

Busybox is open source, easily fixed and deployed, no?
IOW, I reluctantly agree to crippling Autoconf sources for an easily
fixed open software, if our workaround isn't too bad, but a bug report
to busybox should really be the first step.

> (I don't have access to busybox at the moment, so I don't know if
> busybox's basename/dirname are adequate enough to avoid the sed
> implementation).  

I don't either, but again, the order in which to do things properly
would be to test busybox basename/dirname, then report an upstream bug
if any, and only then to install workarounds if necessary.

In this particular case, since Vincent reported a successful coreutils
configure with busybox sed after the one sed script was fixed, I
conclude that basename and dirname must be functional, as both are
exercised during the configure script.


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