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Subject: Re: [boost] [gil] Ok to merge new gil's extension to release branch?
From: Michael Marcin (mike.marcin_at_[hidden])
Date: 2013-03-29 22:25:30


Steven Watanabe wrote:
> AMDG
>
> On 03/29/2013 11:44 AM, Christian Henning wrote:
>> Hi Steven,
>>
>>>
>>> a) add zlib.jam etc. to Boost.Build. I can review and add
>>> them if you point me to where they come from.
>>
>> You can find all jam files here:
>>
>> http://svn.boost.org/svn/boost/sandbox/tools/build_extensions/ext
>>
>> I use:
>> zlib.jam
>> png.jam
>> jpeg.jam
>> libtiff.jam
>>
>
> Thanks.
>
>>> b) in your Jamfile, attempt to auto-configure these libraries
>>> if they are not already configured.
>>
>> I'm not sure what that means. A user has to point to the source code
>> somehow. How should we do that? Using environmental variables?
>>
>
> It would go in user-config.jam (or site-config.jam).
> If the library has a standard installation
> location it should be found without any
> help from the user. There's nothing we
> can do on Windows, but on other platforms
> we can use the compiler's default search path.
>
>>> c) in your Jamfile, test whether the libraries were
>>> successfully configured and take any appropriate action.
>>
>> Again, how would you do that?
>>
>
> What I mean is that your code should look like:
>
> using zlib ;
>
> if [ zlib.configured ] { ... }
>
> I don't know whether the existing zlib.jam
> supports usage like this, but I'll make sure
> that something like this works if you need it.

FWIW iostreams uses zlib so that may be a place to start.


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