> > It sorta reminds me of the 'dynamic_cast on Mac OSX' thread, is it related?
Yes. This is a symptom of the same issue: missing export annotations. Hans emailed about the same warnings in April (the mailing list archive is currently down so I can't provide a link, but I can find it in my gmail folder for insight-dev with a search for "global weak symbol"). On Fri, Nov 25, 2016 at 3:47 PM, Sean McBride <s...@rogue-research.com> wrote: > Hi all, > > I'm trying to rebuild my app and all its C++ libraries with > -fvisibility=hidden -fvisibility-inlines-hidden. It all builds, but I get > 3 very similar link warnings building my app; the first is: > > ld: warning: direct access in function 'itk::MetaDataObject<itk::Array<double> > >::GetMetaDataObjectTypeName() const' from file > >'libITKCommon.a(itkMetaDataObject.cxx.o)' > to global weak symbol 'typeinfo for itk::Array<double>' from file > 'MyOwnCode.o' means the weak symbol cannot be overridden at runtime. This > was likely caused by different translation units being compiled with > different visibility settings. > > I'm using ITK 4.10.1 on OS X 10.11.6 with Xcode 7.3.1 (AppleClang 7.3). > > I'm hoping one of you C++ wizards could help me decipher the problem. :) > It sorta reminds me of the 'dynamic_cast on Mac OSX' thread, is it related? > > Thanks, > > -- > ____________________________________________________________ > Sean McBride, B. Eng s...@rogue-research.com > Rogue Research www.rogue-research.com > Mac Software Developer Montréal, Québec, Canada > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Kitware offers ITK Training Courses, for more information visit: > http://kitware.com/products/protraining.php > > Please keep messages on-topic and check the ITK FAQ at: > http://www.itk.org/Wiki/ITK_FAQ > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/insight-developers >
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