This will be fixed when VXL is updated after the 4.9 release. Hans
From: Insight-developers <insight-developers-boun...@itk.org<mailto:insight-developers-boun...@itk.org>> on behalf of David Burns <david.mo.bu...@gmail.com<mailto:david.mo.bu...@gmail.com>> Date: Tuesday, December 15, 2015 at 2:10 PM To: "insight-developers@itk.org<mailto:insight-developers@itk.org>" <insight-developers@itk.org<mailto:insight-developers@itk.org>> Subject: [ITK-dev] Linux c++11 build issue v4.8.2 Dear Insight Developers I have compiled v4.8.2 on Ubuntu 14.04 successfully (g++ 4.8), however, I get compiler errors when building my own ITK applications with the following cmake flag set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11" I can compile ITK applications when not using this flag. I have tried using -fpermissive when building my application. I have also tried compiling ITK using -std=c++11 -fpermissive, individually and in combination. I always get the same errors. Any suggestions would be welcome. Thanks David Compiler errors /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:387:60: warning: 'constexpr' needed for in-class initialization of static data member 'const float vnl_numeric_traits<float>::zero' of non-integral type [-fpermissive] static const float zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0F); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:389:59: warning: 'constexpr' needed for in-class initialization of static data member 'const float vnl_numeric_traits<float>::one' of non-integral type [-fpermissive] static const float one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0F); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:391:62: warning: 'constexpr' needed for in-class initialization of static data member 'const float vnl_numeric_traits<float>::maxval' of non-integral type [-fpermissive] static const float maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(3.40282346638528860e+38F); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:410:61: warning: 'constexpr' needed for in-class initialization of static data member 'const double vnl_numeric_traits<double>::zero' of non-integral type [-fpermissive] static const double zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:412:60: warning: 'constexpr' needed for in-class initialization of static data member 'const double vnl_numeric_traits<double>::one' of non-integral type [-fpermissive] static const double one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:414:63: warning: 'constexpr' needed for in-class initialization of static data member 'const double vnl_numeric_traits<double>::maxval' of non-integral type [-fpermissive] static const double maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(1.7976931348623157E+308); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:433:66: warning: 'constexpr' needed for in-class initialization of static data member 'const long double vnl_numeric_traits<long double>::zero' of non-integral type [-fpermissive] static const long double zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:435:65: warning: 'constexpr' needed for in-class initialization of static data member 'const long double vnl_numeric_traits<long double>::one' of non-integral type [-fpermissive] static const long double one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ /usr/local/include/ITK-4.8/vnl/vnl_numeric_traits.h:437:68: warning: 'constexpr' needed for in-class initialization of static data member 'const long double vnl_numeric_traits<long double>::maxval' of non-integral type [-fpermissive] static const long double maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(1.7976931348623157E+308); ^ /usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL' # define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x ^ ________________________________ Notice: This UI Health Care e-mail (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is confidential and may be legally privileged. 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