undefined symbol: sql_get_socket

Nicolas Goutte nicolas.goutte at extragroup.de
Tue May 27 18:44:36 CEST 2008

Am 27.05.2008 um 18:20 schrieb Giovanni Lovato:

> Alan DeKok wrote:
>> Giovanni Lovato wrote:
>>> I compiled deb packages from 2.0.4 sources. I would use  
>>> rlm_sqlippool
>>> but I get this message:
>>> symbol lookup error: /usr/lib/freeradius/rlm_sqlippool-2.0.4.so:
>>> undefined symbol: sql_get_socket
>>> How can I solve that?
>>   Link the server statically:
>> $ ./configure --disable-shared
>>   Then again, Debian might only have shared versions of some  
>> libraries
>> (e.g. Perl), so this might not work, either.
> It doesn't work, `ld' complains about unavailable static libraries.  
> What
> I can't understand is why other module that use MySQL aren't  
> affected by
> this problem!
> -
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> users.html

Try to use nm(1) on the .so files and see if the symbol is different  
in the two libraries.

I have just checked FreeRadius 2.0.2 on Mac and the symbols are  
indeed different. One time T (text section symbol) for rlm_sql.so but  
U (undefined) for rlm_sqlippool.so

As for what this difference exactly means and where to try to fix  
this, I do not know. Sorry.

Nicolas Goutte

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