Re: [boost] [filesystem] gcc-3.4.3, fstream_test

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2005-05-08 22:49:32

Jonathan Wakely wrote:
> On Sun, May 08, 2005 at 12:46:10PM -0500, Rene Rivera wrote:
> 
>>For this sole failure on the tests that I run:
>>
>>http://tinyurl.com/92zns
>>
>>I did some investigation and narrowed the problem down to this:
> 
> [snip testcase]
> 
>>Which gives a link error of:
>>
>> undefined reference to `std::basic_iostream<char, 
>>std::char_traits<char> >::~basic_iostream()'
>>
>>And AFAICT that particular dtor is not in libstdc++. And for that matter 
>>the entire std::basic_iostream<char,..> instance is missing.
> 
> I've had very similar problems with that dtor missing from libstdc++,
> see http://gcc.gnu.org/ml/libstdc++/2004-09/msg00125.html
> (despite the subject line, this was nothing to do with PR16715, that
> just made a latent problem apparent)

That doesn't seem to have any resolutions to it. Did I miss something? 
What was the resolution?

> Could you check whether the wchar_t specialisation is in the
> libstdc++.so library?
> 
> nm --demangle libstdc++.so | grep 'basic_iostream<wchar_t'

Had already done that.. which is why I said the char specializations 
where absent. The wchar_t ones are present.

> Both the char and wchar_t specialisations should be in the lib, thanks
> to explicit instantiation in istream.tcc

Not in my case :-(

> This problem eventually went away IIRC, I was tracking the CVS version
> and stopped having the problem at some point.

Well it doesn't help me :-( As this is the straight release tar archive. 
And as was pointed out on another post, it's only my problem. Others 
have those symbols with the 3.4.3 release.

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