[Insight-users] RE: XCode 2.4 and isnan

[Karthik Krishnan]

Thanks Gaetan,

Funny mistake. The error message was placed the wrong side of the IF 
statement. Its fixed and sorry about that.

http://www.itk.org/cgi-bin/viewcvs.cgi/Utilities/vxl/config/cmake/config/CMakeLists.txt?root=Insight&r1=1.10&r2=1.11

-karthik


Gaëtan Lehmann wrote:
>
> Hi,
>
> I'm still with the previous xcode (2.3), and can't build ITK cvs 
> anymore. I get the error message:
>
>  CMake Error: Error in cmake code at
>  /Users/glehmann/src/Insight/Utilities/vxl/config/cmake/config/CMakeLists.txt:123: 
>
>  MESSAGE Neither the __isnand nor the __inline_isnand functions are 
> available !
>  Current CMake stack: 
> /Users/glehmann/src/Insight/Utilities/vxl/config/cmake/config/CMakeLists.txt 
>
>
> The easy solution is to upgrade xcode, but other will surely have the 
> same problem, so it seems better to fix :-)
>
> Gaetan
>
>
> Le Fri, 25 Aug 2006 16:42:43 +0200, Bradley Lowekamp 
> <blowekamp at mail.nih.gov> a écrit:
>
>> Sweet.
>>
>> However, I think Hans Johnson suggestion is good. This current test
>> checks internal symbols exist, this seems like very bad practice to
>> me. I checked and:
>>
>> #define isnan(x) std::isnan(x)
>>
>> builds. I think this would be a better solution and will likely not
>> break again in the future. I am suggesting changing/adding at test
>> for std::isnan.
>>
>> Thanks,
>> Brad
>>
>> On Aug 25, 2006, at 3:41 AM, Karthik Krishnan wrote:
>>
>>> Hello,
>>>
>>> A TRY_COMPILE has been added to check for the existance of __isnand
>>> and __inline_isnand. Please update your CVS and let us know if it
>>> works for you.
>>>
>>> http://www.itk.org/cgi-bin/viewcvs.cgi/Utilities/vxl/core/
>>> vxl_config.h.in?root=Insight&r1=1.5&r2=1.6
>>> http://www.itk.org/cgi-bin/viewcvs.cgi/Utilities/vxl/config/cmake/
>>> config/vxl_platform_tests.cxx?root=Insight&r1=1.7&r2=1.8
>>> http://www.itk.org/cgi-bin/viewcvs.cgi/Utilities/vxl/config/cmake/
>>> config/CMakeLists.txt?root=Insight&r1=1.9&r2=1.10
>>> http://www.itk.org/cgi-bin/viewcvs.cgi/Utilities/vxl/core/vnl/
>>> vnl_math.cxx?root=Insight&r1=1.12&r2=1.13
>>>
>>> Thanks
>>> -karthik
>>>
>>>
>>> Hans Johnson wrote:
>>>> Hello All,
>>>>
>>>> I just wanted to add some more information.  I got similar results by
>>>> replacing the same line with :
>>>>
>>>> using std::isnan;
>>>>
>>>> Hans
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 8/16/06 11:30 AM, "Remo Mueller" <remo.mueller at case.edu> wrote:
>>>>
>>>>
>>>>> I'm currently working on MacOSX 10.4.7 with Xcode 2.4 installed, and
>>>>> I'm compiling the code using gcc version 4.0.1 (Apple Computer, Inc.
>>>>> build 5363), using CMake 2.4.3.
>>>>>
>>>>> I ran into the same problem of isnan not being defined in
>>>>> vnl_math.cxx, which is located under Utilities/vxl/core/vnl/
>>>>>
>>>>> I finally got ITK to compile by changing line 66 in vnl_math.cxx
>>>>> from:
>>>>>
>>>>> #define isnan(x) __isnand((double)x)
>>>>>
>>>>> to
>>>>>
>>>>> #define isnan(x) __inline_isnand((double)x)
>>>>>
>>>>> This line is defined in the #if defined (__APPLE__) code block.
>>>>>
>>>>> I'm not sure if this is correct, but it seems to fix the problem.
>>>>> This problem exists in ITK 2.8.1 and the current version of CVS.
>>>>> Can
>>>>> someone who's more knowledgeable about the inner workings of ITK
>>>>> verify if this fixes the original problem? Thanks
>>>>>
>>>>> I hope this helps,
>>>>> Remo Mueller
>>>>>
>>>>> Case Western Reserve University
>>>>> Computer Science BS/MS Program
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> This is regarding the following build errors:
>>>>>>
>>>>>> http://www.itk.org/Testing/Sites/eno/Darwin-Xcode2.4-rel/
>>>>>> 20060811-0100-Nightly/BuildError.html
>>>>>>
>>>>>> Last week a new version of Xcode was release. It seems to mostly
>>>>>> work
>>>>>> with ITK and CMake. However, there was a minor change to the isnan.
>>>>>> The internal symbol __isnand is no longer used in the isnan macro,
>>>>>> instead the marco reference __inline__isnan[fd]? inlined
>>>>>> function is
>>>>>> used. I was not able to figure what was going on in this header
>>>>>> file
>>>>>> and why the isnan macro would not work.
>>>>>>
>>>>>> I also suspect that this same problem will occur with a unix make
>>>>>> file since it it a change to a system header file.
>>>>>>
>>>>>> Thanks,
>>>>>> Brad
>>>>>>
>>>>>> ========================================================
>>>>>> Bradley Lowekamp
>>>>>> Management Systems Designers Contractor for
>>>>>> Office of High Performance Computing and Communications
>>>>>> National Library of Medicine
>>>>>> blowekamp at mail.nih.gov
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> Insight-users mailing list
>>>>> Insight-users at itk.org
>>>>> http://www.itk.org/mailman/listinfo/insight-users
>>>>>
>>>>
>>>> _______________________________________________
>>>> Insight-users mailing list
>>>> Insight-users at itk.org
>>>> http://www.itk.org/mailman/listinfo/insight-users
>>>>
>>>>
>>
>> ========================================================
>> Bradley Lowekamp
>> Management Systems Designers Contractor for
>> Office of High Performance Computing and Communications
>> National Library of Medicine
>> blowekamp at mail.nih.gov
>>
>
>
>
> --Gaëtan Lehmann
> Biologie du Développement et de la Reproduction
> INRA de Jouy-en-Josas (France)
> tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
> http://voxel.jouy.inra.fr
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