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Re: m4 and autoconf problem on mac os x

From: Eric Blake
Subject: Re: m4 and autoconf problem on mac os x
Date: Wed, 02 Jun 2010 15:27:42 -0600
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On 06/02/2010 03:25 PM, Stefano Lattarini wrote:
> Hello Raphael.
> At Wednesday 02 June 2010, "Raphael 'kena' Poss" wrote:
>>> m4_define([v_rev], m4_esyscmd([(svnversion . | grep -v exported || echo 0) 
>>> | awk -F : '{printf("%s", $1);}' | tr 'A-z' ' ' | sed 's/ //g']))
>> you probably want to add
>>      | tr -d '\n'
>> to that command line, to remove the trailing newline.
> Souldn't the printf("%s", $1) already taking care of the newline removal?

Yes, but sed adds it back in.

Not to mention that you used a non-portable extension of sed by passing
it a non-text file (Solaris sed chokes if the input does not end in

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library

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