Re: [reSIProcate-users] Linker errors when linking with resip

[Andrew Wood <ajwood@xxxxxxx>]

Brilliant it was the ordering. Thanks Adam



Adam Roach wrote:
> Andrew:
>
> As you mentioned, libares is built by the project itself. (It's an 
> asynchronous DNS resolver library).
>
> Librutil is a set of common utility classes used by various 
> resiprocate subprojects. It uses libares.
>
> Libresip is, as you've guessed, the SIP stack itself. It uses librutil 
> (and, transitively, libares).
>
> Libdum is the Dialog Usage Manager, which abstracts many User Agent 
> behaviors into a higher level than SIP transactions. If you're 
> creating a SIP User Agent, you'll want to use DUM. Libdum uses 
> libresip and librutil.
>
> In most cases, link errors like you're getting come from order of 
> library inclusion. On your link line, you'll want to make sure the 
> libraries are included in the following order: libdum, libresip, 
> librutil, libares.
>
> /a
>
> Andrew Wood wrote:
> > Ive built the library and ended up with 4 .a files: libares libdum 
> > libresip and librutil.
> >
> > I guess the bulk of the stack is in libresip but what are the others. 
> > Ive tried linking against them all but Im getting errors such as:
> >
> > ../lib/resiprocate-1.4.1/lib/lib/libresip.a(DnsResult.o): In function 
> > `resip::DnsResult::skipDNSQuestion(unsigned char const*, unsigned 
> > char const*, int)':
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/resip/stack/DnsResult.cxx:679: 
> > undefined reference to `ares_expand_name'
> > ../lib/resiprocate-1.4.1/lib/lib/librutil.a(DnsHostRecord.o): In 
> > function `DnsHostRecord':
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/DnsHostRecord.cxx:31: 
> > undefined reference to `ares_expand_name'
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/DnsHostRecord.cxx:31: 
> > undefined reference to `ares_expand_name'
> > ../lib/resiprocate-1.4.1/lib/lib/librutil.a(DnsNaptrRecord.o): In 
> > function `DnsNaptrRecord':
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/DnsNaptrRecord.cxx:100: 
> > undefined reference to `ares_expand_name'
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/DnsNaptrRecord.cxx:140: 
> > undefined reference to `ares_expand_name'
> > ../lib/resiprocate-1.4.1/lib/lib/librutil.a(DnsNaptrRecord.o):/home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/DnsNaptrRecord.cxx:100: 
> > more undefined references to `ares_expand_name' follow
> > ../lib/resiprocate-1.4.1/lib/lib/librutil.a(AresDns.o): In function 
> > `resip::AresDns::lookup(char const*, unsigned short, 
> > resip::ExternalDnsHandler*, void*)':
> > /home/andrew/xswitch/lib/resiprocate-1.4.1/rutil/dns/AresDns.cxx:276: 
> > undefined reference to `ares_query'
> >
> > Which suggests to me libares.a isnt being found? Though Im not sure 
> > what libares is and a Google search didnt enlighten me.
> > Which ones do I need to link against, am I missing something?
> >
> > Thanks
> > Andrew
> >
> > _______________________________________________
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> > resiprocate-users@xxxxxxxxxxxxxxx
> > List Archive: http://list.resiprocate.org/archive/resiprocate-users/
>
>
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