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Re: m4 and autoconf problem on mac os x
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From: |
Eric Blake |
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Subject: |
Re: m4 and autoconf problem on mac os x |
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Date: |
Wed, 02 Jun 2010 15:27:42 -0600 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-3.fc13 Lightning/1.0b2pre Mnenhy/0.8.2 Thunderbird/3.0.4 |
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
newline).
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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