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Date: Mon, 10 Jan 2011 08:50:29 +0800
From: "Zhai, Edwin" <edwin.zhai@intel.com>
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To: Richard Purdie <richard.purdie@linuxfoundation.org>
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Subject: Re: [PATCH 2/7] apr: Update to 1.4.2
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Richard Purdie wrote:
> On Fri, 2011-01-07 at 18:11 +0800, Zhai, Edwin wrote:
>   
>> I have compared the autoconf process between apr-1.3 and 1.4, but found 
>> no clue of why build/libtool.m4 got overwritten only on apr-1.4.
>> Attached log files, and hope some autotools expert can help.
>>
>> Following only occur in 1.4 log
>> libtoolize: copying file `build/libtool.m4'
>> libtoolize: copying file `build/ltoptions.m4'
>>     
>
> This is what happens when libtool decides the version of libtool.m4
> isn't right and replaces it with the system shared copy of that m4 file.
> It usually does this when it finds the system copy is newer if I recally
> correctly so this is the opposite way around to what I'd expect :/.
>   

RP,
Thanks for your info. If it's opposite, we have to change it back in 
configure_append, right?
Is there any other cases like this? One preparing script changes 
libtool.m4, then autoconf replaces it again.

Thanks,
edwin



> Cheers,
>
> Richard
>
>