[ITK] [ITK-users] ITK_COMPILED_CXX_VERSION always set to 1997 on macOS

[Olivier Commowick]

Hello

Thanks for your answer. I am running into this with Xcode 8.2.1, on a macOS 10.12, cmake version 3.6.2, and it happens already when compiling ITK itself.

I did not put the flag you mentioned. I could try but it seems to me that the VXL part of ITK has the same kind of test and it works. I mean by this that there is a VXL_COMPILED_CXX_STANDARD_VERSION set up in the file Modules/ThirdParty/VNL/src/vxl/config/cmake/config/VXLIntrospectionConfig.cmake . And this one is automatically set to 201103L without needing the flags you mentioned. May be there is something in this cmake file that should be ported back to the ITK equivalent (that’s just a thought of course).

Thanks
Olivier

> On 23 Jan 2017, at 15:25, Lowekamp, Bradley (NIH/NLM/LHC) [C] <blowekamp at mail.nih.gov> wrote:
> 
> Hello,
> 
> What Xcode version are you using? Can you produce a simple CMake command line configuration to reproduce the problem?
> 
> If you set "CMAKE_CXX_FLAGS=-std=c++11”, does the same problem occur?
> 
> Thanks!
> Brad
> 
>> On Jan 23, 2017, at 9:11 AM, Olivier Commowick <Olivier.Commowick at inria.fr> wrote:
>> 
>> Hello,
>> 
>> While debugging something else, I realised that the ITK_COMPILED_CXX_VERSION variable in CMake is always set to 199711L on my macOS 10.12. It sounds weird to me since I am always compiling ITK by enforcing to use CMAKE_CXX_STANDARD to 11.
>> 
>> It appears to me that Modules/Core/Common/CMakeLists.txt does this test and probably does not account for the fact that cmake uses the 2011 standard or something else. Would someone have any idea of how to correct this or if this is important or not ?
>> 
>> Best
>> Olivier
>> 
>> ---
>> 
>> Olivier Commowick, Ph.D.
>> Research Scientist
>> INRIA Rennes - Bretagne Atlantique, VISAGES Team
>> Campus de Beaulieu
>> 35042 Rennes
>> FRANCE
>> 
>> Phone: +33 2 99 84 25 92
>> Email: Olivier.Commowick at inria.fr
>> Web: http://olivier.commowick.org/
>> 
>> 
>> 
>> 
>> 
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---

Olivier Commowick, Ph.D.
Research Scientist
INRIA Rennes - Bretagne Atlantique, VISAGES Team
Campus de Beaulieu
35042 Rennes
FRANCE

Phone: +33 2 99 84 25 92
Email: Olivier.Commowick at inria.fr
Web: http://olivier.commowick.org/





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