Re: [classad-users] Linker Problems

[Matthew Farrellee <matt@xxxxxxxxxxx>]

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