Re: [boost] [boost.build] RFE: pkg-config

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-06-17 09:25:04

Stefan Seefeld wrote:

>>>Let's take a concrete example:
>>>
>>>I want to use boost.wave, so I'm looking for a 'boost_wave.pc' file.
>>>
>>>`pkgconfig --libs boost_wave`
>>>
>>>should report something like '-lboost_wave -lboost_program_options
>>>-lboost_filesystem' on my FC box,
>> 
>> 
>> I think Boost packages for all Linux distribution will have exactly those
>> names, so static .pc file can be fine.
> 
> Ok. But who creates / maintains them ?

Hmm... I guess asking all packagers to create their own version is not good.

>> Ok, for installing from CVS the name indeed can vary. Note however, that
>> for shared linking you don't need -l...program_options... and
>> -l...filesystem... at all.
> 
> That depends on the platform. Not everywhere is the dependency encoded in
> the library itself. On some the user has to explicitly (re)link with *all*
> libraries.

Namely? 
(Static linking is another issues, of course).

>> BTW, where should .pc file be installed? $prefix/lib/pkgconfig
>> or /usr/lib/pkgconfig? With arbitrary prefix, the .pc file just won't be
>> found, which make it useless.
> 
> I install them into <prefix>/lib/pkgconfig. That of course requires the
> PKG_CONFIG_PATH to be set. That is basically the same procedure as setting
> the LD_LIBRARY_PATH if libraries are installed in places not automatically
> looked in by the library loader.

Ok.

- Volodya