Heh heh... the first time I've actually had something useful to
contribute to boost-users! You made my day!


On Jan 24, 2005, at 2:44 PM, Mauricio Gomes wrote:


<excerpt>Hi Andy,


Turning off ZeroLink indeed solved the problem. Thanks a lot !

Thanks for including a link to your original post too. It was very
informative to read the thread.


Gennadiy, I haven't answered your second email because I had to learn
how to apply the solutions presented in this list to compile boost on
OS X without serialization or to learn bjam to build only the unit
test framework and I had no time to try either.

As disabling ZeroLink would be really fast to try I could just make a
quick pause on my Java day job to do it. ;)

Thank you for your tip with c++filt, I did not know the tool.


Mauricio Gomes

Pensar Digital

phone: 55-11-4121-6287

mobile: 55-11-8319-9610

http://pensardigital.com


On Jan 24, 2005, at 3:32 AM, Andy Wiese wrote:


<excerpt>

On Jan 21, 2005, at 7:24 AM, Mauricio Gomes wrote:


<excerpt>Hi Gennadiy, thank you for your tip ! I am still on the dark
though.


I've run c++filt:


c++filt _ZTv0_n12_NSoD0Ev

virtual thunk to std::basic_ostream<<char, std::char_traits<<char>
>::~basic_ostream()


Then I tried to run just this:

<fixed><color><param>6865,3835,211E</param>#include <<iostream></color>


<color><param>7673,0F0C,504D</param>int</color> main
(<color><param>7673,0F0C,504D</param>int</color> arc,
<color><param>7673,0F0C,504D</param>char</color>** argv)

{

	std::cout <<<< <color><param>8986,1310,1512</param>"test"</color>;

</fixed>}


... and it failed with the same error. 

However, <bold>if I remove from the project the unit test framework
files</bold>, it runs fine.


I am using libstdc++.a. I don't understand what is happening.

Why when I add the unit test framework code it doesn't find the
standard library ~basic_ostream() anymore ?


It seems these last 5 years doing only Java got me really rusty with
C++ (I'd rather work with C++ but the market forced me to go to Java).


I really appreciate your help, thanks !


Best regards,

Mauricio Gomes

Pensar Digital

phone: 55-11-4121-6287

mobile: 55-11-8319-9610

http://pensardigital.com


On Jan 20, 2005, at 4:40 PM, Gennadiy Rozental wrote:


<excerpt><excerpt>"Mauricio Gomes" <<mg@pensardigital.com> wrote in
message

</excerpt>news:08171267-6B0C-11D9-83D2-000A95A08D26@pensardigital.com...

<excerpt>Hello, I am trying to use boost unit test framework but I am
getting the

</excerpt>following error message (it compiled okay but linking
failed):

<excerpt>

--------------------------------------------------------------------------

</excerpt>------

<excerpt>[Session started at 2005-01-20 15:43:30 -0200.]

ZeroLink: unknown symbol '__ZTv0_n12_NSoD0Ev'

</excerpt>

Try to run through c++filt or something similar to demandle this symbol


Gennadiy




</excerpt></excerpt>


I had problems with an ostream when I started using Xcode. Your
problem sounds similar, maybe not exactly the same. IIRC, the fix was
simply to turn off ZeroLink. Basically, the moral of the story was
don't use ZeroLink with C++. 


You be interested in the archive posts. Here's my original post:


http://lists.apple.com/archives/xcode-users/2004/Nov/msg00048.html


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