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<div>This will be fixed when VXL is updated after the 4.9 release.</div>
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<div>Hans</div>
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<span style="font-weight:bold">From: </span>Insight-developers <<a href="mailto:insight-developers-bounces@itk.org">insight-developers-bounces@itk.org</a>> on behalf of David Burns <<a href="mailto:david.mo.burns@gmail.com">david.mo.burns@gmail.com</a>><br>
<span style="font-weight:bold">Date: </span>Tuesday, December 15, 2015 at 2:10 PM<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:insight-developers@itk.org">insight-developers@itk.org</a>" <<a href="mailto:insight-developers@itk.org">insight-developers@itk.org</a>><br>
<span style="font-weight:bold">Subject: </span>[ITK-dev] Linux c++11 build issue v4.8.2<br>
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<div bgcolor="#FFFFFF" text="#000000">Dear Insight Developers<br>
<br>
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<br>
<br>
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11"<br>
<br>
I can compile ITK applications when not using this flag. <br>
<br>
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.<br>
<br>
Any suggestions would be welcome. Thanks<br>
<br>
David<br>
<br>
<br>
<br>
Compiler errors <br>
<br>
/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]<br>
static const float zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0F);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const float one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0F);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const float maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(3.40282346638528860e+38F);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const double zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const double one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const double maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(1.7976931348623157E+308);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const long double zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const long double one VCL_STATIC_CONST_INIT_FLOAT_DECL(1.0);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
/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]<br>
static const long double maxval VCL_STATIC_CONST_INIT_FLOAT_DECL(1.7976931348623157E+308);<br>
^<br>
/usr/local/include/ITK-4.8/vcl_config_compiler.h:152:48: note: in definition of macro 'VCL_STATIC_CONST_INIT_FLOAT_DECL'<br>
# define VCL_STATIC_CONST_INIT_FLOAT_DECL(x) = x<br>
^<br>
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