Need help with linker error

[Milian Wolff]

On Sunday 05 April 2009, Andreas Pakulat wrote:
> On 05.04.09 21:50:17, Milian Wolff wrote:
> > Hi guys!
> >
> > I just stumbled upon an error I cannot resolve...
> >
> > I can't use any functions (note: not methods, plain functions!) from
> > php/duchain/helper.h inside completion/context.cpp...
> >
> > I've added helper.h as an #include yet the linker complains about an
> > undefined reference...
> >
> > The library (i.e. the cmake target) containing helper.cpp is definitly
> > linked to. What I think the error is:
> >
> > objdump -t libkdev4phpduchain.so | grep -i findDeclarationImport
> > 0006275d l     F .text  00000a5a              .hidden
> > _ZN3Php27findDeclarationImportHelperEPN8KDevelop9DUContextENS0_19Qualifie
> >dIdentifierENS_15DeclarationTypeEPNS_7AstNodeEPNS_16EditorIntegratorE
> >
> > Note the .hidden - how can I remove that? I tried the
> > KDEVPHPDUCHAIN_EXPORT makro on the function but only get
> >
> > In file included from
> > /home/milian/projects/kde4/php/duchain/includebuilder.cpp:23:
> > /home/milian/projects/kde4/php/duchain/helper.h:50: warning: ‘visibility’
> > attribute ignored on non-class types
> >
> > So I'm lost... What do I have to do to get that function workin in other
> > places?
>
> You definetly need to add the export macro, how did you add that? The
> line should be:
>
> KDEVPHPDUCHAIN_EXPORT KDevelop::Declaration*
> findDeclarationImportHelper(KDevelop::DUContext* currentContext,
>
> After that the symbol shouldn't be hidden anymore, the error message
> from gcc suggests that you added it at the end or something (at least
> here line 50 is the last line of the method).
>
> Andreas

I put it after the return type... will check again tomorrow. Thanks for the 
heads up!

-- 
Milian Wolff
mail at milianw.de
http://milianw.de
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