[boost] Re: [test] linking problems with boost-1.32.0-5.fc3.i386.rpm

From: Maxim Yegorushkin (e-maxim_at_[hidden])
Date: 2005-03-24 08:28:22

On Thu, 24 Mar 2005 15:38:09 +0300, Vladimir Prus <ghost_at_[hidden]> wrote:

> Maxim Yegorushkin wrote:
>
>> Hi,
>>
>> I upgraded today to boost-1.32.0-5.fc3.i386.rpm and my projects stoped
>> linking complaining about libboost_unit_test_framework.so: undefined
>> reference to `init_unit_test_suite(int, char**)'.
>
> I think the standard approach when using packages is to report the bug to
> the package maintainer. In particular, nobody but him know what  
> version/CVS
> date that package corresponds too.

Understood.

>> I'm not a linker expert
>> but it seems like libboost_unit_test_framework library does not have a
>> weak symbol init_unit_test_suite anymore. I had to rollback to
>> boost-1.32.0-3.i386.rpm.
>
> Why should unit_test_framework define such a symbol? Especially 'weak'?  
> If
> you link to libboost_unit_test_framework you are supposed to provide
> init_unit_test_suite function in your application, no? Do you provide  
> one?
>
> For details, here's output from 'readelf -W -a <unit_test_lib.so>' where  
> the
> lib is produced with Boost.Build V2:
>
>
>  917: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND
>                           _Z20init_unit_test_suiteiPPc
>
> The symbol is underfined, not weak. And I get no link error for
> test/example/unit_test_example1.

I'm now pretty much sure I diagnosed the problem wrong (regarding the weak  
symbol). Thanks for the elaboration.

-- 
Maxim Yegorushkin