Re: [boost] boost.m4 or how to use Boost with the GNU Autotools

From: Benoit Sigoure (tsuna_at_[hidden])
Date: 2007-11-19 19:52:40

On Nov 19, 2007, at 10:54 PM, Benoit Sigoure wrote:

> On Nov 19, 2007, at 10:16 PM, Staffan Gimåker wrote:
>
>> On Friday 16 November 2007 14:52:37 Jens Seidel wrote:
>>> On Thu, Nov 15, 2007 at 08:43:49PM +0100, Benoit Sigoure wrote:
>>>> I wrote a set of M4 macros to use the Boost libraries with GNU
>>>> Autoconf.  I did not find any macro that was reliable enough.  If
>>>
>>> I just want to mention that there exist also
>>> http://autoconf-archive.cryp.to/macros-by-category.html#BOOST.  
>>> See also
>>> http://randspringer.de/boost/index.html.
>>>
>>> Benoit, can you compare your macros with these from the autoconf
>>> archives? What is different?
>>
>> One difference is that, at least for me, the macros from the  
>> Autoconf archive
>> are several times faster.
>>
>> Checks for linked libraries (filesystem, for example) take roughly  
>> one minute
>> *each* to perform.
>>
>> Benoit, is there any way to make the checks a bit faster? I'm  
>> using Ubuntu
>> 7.10 on modern hardware.
>
> Yes, I know that.  But I personally favor reliability over speed,  
> when a choice between both has to be made.
>
> Nevertheless, I have good news for you.  Someone suggested a  
> trivial improvement that will most likely optimize the macro by  
> several order of magnitude.  I'm going to implement this tonight.   
> Stay tuned  :)

I pushed some changes that speed up the macros by a factor of 5 on my  
laptop.  Thanks to David Herring for giving me the idea.
I hope this helps.

Cheers,

-- 
Benoit Sigoure aka Tsuna
EPITA Research and Development Laboratory