[ITK-users] Problems with writing filter using Xcode

Vikash Gupta vikash.gupta at inria.fr
Fri Jul 3 12:58:44 EDT 2015 

Hey Matt, 
Thanks for all the help.. So I was packing the files to send it to you... nd now I do not get the error.. I don't know what happened ? But this sure was the problem and its weird that I dont get the error. 
Thanks 
Vikash 

P.S.: First thing I though was well this is embarrassing :( 

----- Original Message -----

> From: "Matt McCormick" <matt.mccormick at kitware.com>
> To: "Vikash Gupta" <vikash.gupta at inria.fr>
> Cc: "Sean McBride" <sean at rogue-research.com>, "insight-users at itk org"
> <insight-users at itk.org>
> Sent: Friday, July 3, 2015 8:02:45 AM
> Subject: Re: [ITK-users] Problems with writing filter using Xcode

> Hi Vikash,

> If you send all the files, I'll be able to take a look.

> Thanks,
> Matt

> On Fri, Jul 3, 2015 at 10:10 AM, Vikash Gupta < vikash.gupta at inria.fr >
> wrote:

> > Hi Matt,
> 
> > I did the manual instantiation in the .h file. Should I send the files...
> > will you be able to have a look ?
> 

> > Thanks
> 
> > Vikash
> 

> > > From: "Matt McCormick" < matt.mccormick at kitware.com >
> > 
> 
> > > To: "Vikash Gupta" < vikash.gupta at inria.fr >
> > 
> 
> > > Cc: "Sean McBride" < sean at rogue-research.com >, "insight-users at itk org" <
> > > insight-users at itk.org >
> > 
> 
> > > Sent: Friday, July 3, 2015 4:22:24 AM
> > 
> 

> > > Subject: Re: [ITK-users] Problems with writing filter using Xcode
> > 
> 

> > > Hi Vikash,
> > 
> 

> > > It depends on the content of your project files, but it does sound like
> > > it
> > > was a templated class. A templated class needs to be either defined in a
> > > header or it needs to be explicitly instantiated over all the types it
> > > will
> > > be used with in a .cxx file to avoid link errors. ITK usually puts the
> > > declaration in a .h files, then #include's the definition in a .hxx if
> > > manual instantiation is not used [1].
> > 
> 

> > > HTH,
> > 
> 
> > > Matt
> > 
> 

> > > [1]
> > > https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/Common/include/itkImage.h#L297-L299
> > 
> 

> > > On Fri, Jul 3, 2015 at 5:59 AM, Vikash Gupta < vikash.gupta at inria.fr >
> > > wrote:
> > 
> 

> > > > Hey Matt,
> > > 
> > 
> 
> > > > Here is the extract from the CMakeLists.txt
> > > 
> > 
> 

> > > > ADD_EXECUTABLE(testMapping testMapping.cxx)
> > > 
> > 
> 

> > > > TARGET_LINK_LIBRARIES(testMapping ${ITK_LIBRARIES})
> > > 
> > 
> 

> > > > And the filter MapLR2HR is called from TestMapping.cxx. It used to work
> > > > on
> > > > a
> > > > Linux system.
> > > 
> > 
> 

> > > > Here is a stackexchange answer I found
> > > 
> > 
> 

> > > > http://stackoverflow.com/questions/20230412/undefined-symbols-for-architecture-x86-64-shared-util-library-build-with-cmake
> > > 
> > 
> 

> > > > So when I defined the function in the .h file itself the error
> > > > disappeared.
> > > > However, why this should happen for one particular function and not all
> > > > the
> > > > others. It should be consistent. So I am not able to figure that out.
> > > 
> > 
> 

> > > > Thanks for all the help
> > > 
> > 
> 

> > > > Vikash
> > > 
> > 
> 

> > > > > From: "Matt McCormick" < matt.mccormick at kitware.com >
> > > > 
> > > 
> > 
> 
> > > > > To: "Vikash Gupta" < vikash.gupta at inria.fr >
> > > > 
> > > 
> > 
> 
> > > > > Cc: "Sean McBride" < sean at rogue-research.com >, "insight-users at itk
> > > > > org"
> > > > > <
> > > > > insight-users at itk.org >
> > > > 
> > > 
> > 
> 
> > > > > Sent: Friday, July 3, 2015 2:41:49 AM
> > > > 
> > > 
> > 
> 

> > > > > Subject: Re: [ITK-users] Problems with writing filter using Xcode
> > > > 
> > > 
> > 
> 

> > > > > Hi Vikash,
> > > > 
> > > 
> > 
> 

> > > > > What does your CMakeLists.txt look like? Are all executables created
> > > > > added
> > > > > in
> > > > > the CMakeLists.txt file with the add_executable and
> > > > > target_link_libraries
> > > > > command?
> > > > 
> > > 
> > 
> 

> > > > > Thanks,
> > > > 
> > > 
> > 
> 
> > > > > Matt
> > > > 
> > > 
> > 
> 

> > > > > On Fri, Jul 3, 2015 at 3:51 AM, Vikash Gupta < vikash.gupta at inria.fr
> > > > > >
> > > > > wrote:
> > > > 
> > > 
> > 
> 

> > > > > > Hey guys,
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > So, I moved to a different IDE (Eclipse). I am still getting
> > > > > > similar
> > > > > > error.
> > > > > 
> > > > 
> > > 
> > 
> 

> > > > > > Here is the error
> > > > > 
> > > > 
> > > 
> > 
> 

> > > > > > Undefined symbols for architecture x86_64:
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > "itk::MapLR2HRFilter<itk::Image<float, 3u>
> > > > > > >::SetTransform(itk::SmartPointer<itk::AffineTransform<double, 3u>
> > > > > > >>)",
> > > > > > referenced from:
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > _main in testMapping.o
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > ld: symbol(s) not found for architecture x86_64
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > clang: error: linker command failed with exit code 1 (use -v to see
> > > > > > invocation)
> > > > > 
> > > > 
> > > 
> > 
> 

> > > > > > After some googling i figured its a problem with OS X. I wonder if
> > > > > > anyone
> > > > > > knows how to fix it.
> > > > > 
> > > > 
> > > 
> > 
> 

> > > > > > Thanks
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > Vikash
> > > > > 
> > > > 
> > > 
> > 
> 

> > > > > > ----- Original Message -----
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > From: "Vikash Gupta" < vikash.gupta at inria.fr >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > To: "Sean McBride" < sean at rogue-research.com >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > Cc: "insight-users at itk org" < insight-users at itk.org >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > Sent: Thursday, July 2, 2015 1:19:21 PM
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > Subject: Re: [ITK-users] Problems with writing filter using Xcode
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > Ok I am updating it ...
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > ----- Original Message -----
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > From: "Vikash Gupta" < vikash.gupta at inria.fr >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > To: "Sean McBride" < sean at rogue-research.com >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > Cc: "insight-users at itk org" < insight-users at itk.org >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > Sent: Thursday, July 2, 2015 1:16:44 PM
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > Subject: Re: [ITK-users] Problems with writing filter using
> > > > > > > > Xcode
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > Or maybe I am doing something wrong.. Here is what I am doing
> > > > > > > > step
> > > > > > > > by
> > > > > > > > step
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > 1. Build ITK as I would normally considering a UNIX machine
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > 2. Use a text editor to make the CMakeLists.txt and arrange my
> > > > > > > > directories
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > 3. use ccmake -GXcode to generate my xcode project
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > 4. Open the Xcode project and write the filters I need.
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > Vikash
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > ----- Original Message -----
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > From: "Vikash Gupta" < vikash.gupta at inria.fr >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > To: "Sean McBride" < sean at rogue-research.com >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Cc: "insight-users at itk org" < insight-users at itk.org >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Sent: Thursday, July 2, 2015 1:09:00 PM
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Subject: Re: [ITK-users] Problems with writing filter using
> > > > > > > > > Xcode
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Hi Sean,
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Yes I was using Xcode 6.xx But then I read on stackexchange
> > > > > > > > > that
> > > > > > > > > there
> > > > > > > > > is
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > some bug with the xcode 6.xx so rolled back to 5.xx . Also I
> > > > > > > > > was
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > wondering
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > if the .txx is a good extension for the counterpart to the .h
> > > > > > > > > file.
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > Vikash
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > ----- Original Message -----
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > From: "Sean McBride" < sean at rogue-research.com >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > To: "Vikash Gupta" < vikash.gupta at inria.fr >,
> > > > > > > > > > "insight-users at itk
> > > > > > > > > > org"
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > < insight-users at itk.org >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Sent: Thursday, July 2, 2015 1:05:04 PM
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Subject: Re: [ITK-users] Problems with writing filter using
> > > > > > > > > > Xcode
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > On Thu, 2 Jul 2015 21:18:41 +0200, Vikash Gupta said:
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > >I am using Mac OS X 10.10.3 and Xcode 5.1.1
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Maybe not the cause of your problem, but note that that's
> > > > > > > > > > not
> > > > > > > > > > a
> > > > > > > > > > valid
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > combination. OS X 10.10.x requires Xcode 6.x (I forget
> > > > > > > > > > exactly
> > > > > > > > > > which).
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Cheers,
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > --
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > ____________________________________________________________
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Sean McBride, B. Eng sean at rogue-research.com
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Rogue Research www.rogue-research.com
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > > Mac Software Developer Montréal, Québec, Canada
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > >
> > > > > 
> > > > 
> > > 
> > 
> 
> > > > > > > > > _____________________________________
> > > > > 
> > > > 
> > > 
> > 
> 
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