Re: [classad-users] Linker Problems

[Matthew Farrellee <matt@xxxxxxxxxxx>]

I've no great suggestions. Just know that you can compile the library with and without namespaces. It might be that you accidentally compiled without them. Maybe you can try not using the classad namespace in your program and it'll work.

Best,


matt

Ole Weidner wrote:
> Hey,
> 
> I use these flags: -DWANT_NAMESPACES -DWANT_CLASSAD_NAMESPACE but if I
> us -lclassad_ns as you're suggesting, I get the following error:
> 
> ld: library not found for -lclassad_ns
> 
> Which sounds right to me, since there's no libclassad_ns.dylib in the
> installation directory. Are there any configure flags that control the
> whole namespace stuff when I build libclassad?
> 
> Thanks,
> Ole
> 
> On Oct 22, 2009, at 2:32 PM, Matthew Farrellee wrote:
> 
>> Ole Weidner wrote:
>>> Hi,
>>>
>>> I'm trying to compile this little test program (extracted from an m4
>>> macro):
>>>
>>> #include <classad_distribution.h>
>>>
>>> int main ()
>>> {
>>>    classad::ClassAd ad; classad::ClassAdParser parser;
>>>
>>>    return 0;
>>> }
>>>
>>> With this gcc command line:
>>>
>>> g++ -o conftest -g -Wall  -I/usr/local/classads-1.0.4//include/classad
>>> -I/usr/local/classads-1.0.4//include -DWANT_NAMESPACES -
>>> DWANT_CLASSAD_NAMESPACE classadd_test.c  -L/usr/local/classads-1.0.4//
>>> lib -lclassad -ldl
>>>
>>> The linker complains about missing symbols:
>>>
>>> Undefined symbols:
>>>   "classad::ClassAd::ClassAd()", referenced from:
>>>       _main in ccAha9V1.o
>>>   "classad::ClassAdParser::~ClassAdParser()", referenced from:
>>>       _main in ccAha9V1.o
>>>   "classad::ClassAd::~ClassAd()", referenced from:
>>>       _main in ccAha9V1.o
>>>       _main in ccAha9V1.o
>>>   "classad::ClassAdParser::ClassAdParser()", referenced from:
>>>       _main in ccAha9V1.o
>>> ld: symbol(s) not found
>>>
>>> I'm using classads 1.0.4 compiled from sources on OS X 1.6 (64bit).
>>> Any ideas what's going wrong here?
>>>
>>> Thanks,
>>> Ole
>>> Condor Classads Info:
>>> http://www.cs.wisc.edu/condor/classad/
>>
>> Make sure you compiled libclassad with WANT_NAMESPACES, you might need
>> -lclassad_ns instead.
>>
>> Best,
>>
>>
>> matt
>