[ITK] [ITK-dev] -fvisibility=hidden link warnings with GetMetaDataObjectTypeName()

[Sean McBride]

On Fri, 25 Nov 2016 20:55:31 +0000, Lowekamp, Bradley (NIH/NLM/LHC) [C] said:

>I presume you are compiling ITK with shared libraries?

No, as static libraries.

>Would you happen to have a minimal example of “MyOwnCode.cxx” that
>reproduces this warning?

I reduced it to a very small Xcode project with only 1 source file.  Then I continued to reduce it to just a command line invocation of clang and it stopped reproducing. :(

I soon discovered that between Xcode 6.4 and 7.0 a bug seems to have been introduced where turning on "symbols hidden by default" in the GUI (aka "GCC_SYMBOLS_PRIVATE_EXTERN = YES") doesn't actually pass "-fvisibility=hidden" to clang!

So, for my particular case at least, there is no ITK issue here.  Sorry for the noise.

Cheers,

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada
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