Hello Andreas,
Andreas Halm wrote:
> Thanks for your time. I hoped it would be something simple, something
> someone else has already stumbled upon ...
hm, it's a linker error on windows, those tend to be more on the nasty
side in my experience ;)
> But did anybody ever try this? My FC-derived classes are in a Lib which is
> then statically linked to the app, but the OpenSG DLLs are dynamically
> linked.
not sure, I've not tried to build static libs before. Is it necessary
that you go this route?
> I don't quite understand why the error message says something about
> missing dllimport, that just doesn't make sense.
oh, wait, sorry for not picking up on this earlier: the class
annotations are set up so that they are either __declspec(dllexport) or
__declspec(dllimport) depending on whether OSG_COMPILE<LIBNAME>LIB is
defined or not.
You probably have a OSGMyLibDef.h file that defines a
OSG_MYLIB_DLLMAPPING macro? I guess it should be defined to nothing if
you are going to build a static MyLib.lib then?
> However, I tried explicit template instantiation like this:
>
> #define OSG_INSTANTIATE_PTR(CLASST) \
> template class TransitPtr < CLASST > ; \
> template class MTRefCountPtr< CLASST, \
> NoRefCountPolicy > ; \
> template class RefCountPtr < CLASST, \
> RecordedRefCountPolicy > ; \
> template class RefCountPtr < CLASST, \
> UnrecordedRefCountPolicy> ; \
> template class RefCountPtr < CLASST, \
> WeakRefCountPolicy > ; \
> template class MTRefCountPtr< CLASST, \
> RecordedRefCountPolicy > ; \
> template class MTRefCountPtr< CLASST, \
> WeakRefCountPolicy > ;
>
> OSG_BEGIN_NAMESPACE
> OSG_INSTANTIATE_PTR(Type1)
> OSG_END_NAMESPACE
ok, but wasn't the original error about
OSG::PointerMFieldBase::operator[] ?
> Which interestingly doesn't compile and complains about it could not deduce
> a template argument. See OSGRefCountPolicies.h, struct NoRefCountPolicy,
> line 198:
>
> template<class T, class U>
> static void convertTransitPtr(T *&pOut, T *&pIn)
> {
> OSG_ASSERT(false);
> }
>
> Is that really correct, or should it be U*& pIn ?
yes, you are right, thanks. Since this is normally never instantiated it
was not noticed.
Cheers,
Carsten
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