[Insight-users] [Community] No output in XCode console when project built with -GXcode

[Matt McCormick]

Hi Davis,

Instead of trying to create an XCode project from scratch, it may be
more productive to start from the CMake generated XCode project and
modify it to meet your needs -- reproducing all the settings created
by CMake will be difficult, error-prone, and upgrading will be
painful.

HTH,
Matt

On Tue, Oct 15, 2013 at 5:27 PM, DVigneault <davis.vigneault at gmail.com> wrote:
> Per Matt's suggestion, I posted this question to the CMake mailing list, and
> got the following response:
>
> "This seems like an Xcode bug. I'm seeing the same thing you are. The path
> with the extra "build" is the project's build path. The target's build path
> seems to be ignored when trying to figure out the location of the binary for
> the Products group."
>
> Therefore, as I'd still like to use Xcode, I created an Xcode project using
> the C++ template, pasted in the HelloWorld example, and added
> /usr/local/include/ITK-4.4 to the header search path.  XCode was able to
> find the header itkImage.h (!!!).  However, the build failed due to 9
> "semantic issues" in vnl_numeric_traits.h, all of which were very similar to
> the following:
>
> /usr/local/include/ITK-4.4/vnl/vnl_numeric_traits.h:387:22: In-class
> initializer for static data member of type 'const float' requires
> 'constexpr' specifier
>
> In this example, Xcode wants to change this:
>
>   //: Additive identity
>   static const float zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0F);
>
> to this:
>
>   //: Additive identity
>   constexpr static const float zero VCL_STATIC_CONST_INIT_FLOAT_DECL(0.0F);
>
> After some googling ( Stack
> <http://stackoverflow.com/questions/1907214/why-are-inlined-static-consts-not-allowed-except-ints>
> ), it looks like there was no way to do static const float in older C++
> standards, and that newer standards have added constexpr in order to make up
> for this.  However, as you might expect, I'm leery about changing the header
> files.  So, my questions are:
>
> 1.  Is there something I could change to avoid this error?  Perhaps in the
> compiler settings?
> 2.  If not, is it safe to allow Xcode to make these changes?
>
> Best, and thanks for your patience,
>
> --d
>
>
>
> --
> View this message in context: http://itk-insight-users.2283740.n2.nabble.com/No-output-in-XCode-console-when-project-built-with-GXcode-tp7584168p7584172.html
> Sent from the ITK Insight Users mailing list archive at Nabble.com.
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