[Insight-developers] [ITK Community] Problem building ITK

[Bradley Lowekamp]

Dirk,

1) You are not using GNU's GCC. Apple has LLVM  alias as gcc.

2)  I think you are on the right track with changing the c++ standard library. However this should be a flag for the compiler too. Before doing a fresh configure to a CLEAN build directory, set the CXX_FLAGS environmental variable to "-stdlib=libc++", with "export CXX_FLAGS=-stdlib=libc++". CMake should pick that up and place it in the CMAKE_CXX_FLAGS variable, also I think SCIFIO does some type of external project, so hopefully this environmental variable will help it get propagated there too.

Good luck,
Brad

On Feb 6, 2014, at 1:01 PM, Padfield, Dirk R (GE Global Research) <padfield at research.ge.com> wrote:

> Hi Matt,
> 
> I started from a fresh build tree several times yesterday just to make sure (although I will try a fresh source tree today too).  I wiped the entire build tree and started from scratch twice.  I also built 4.5.0 from scratch yesterday, and it worked fine until I enabled "Module_SCIFIO" at which point it gave the same error as the git version.  At least it's consistent!
> 
> I tried adding the following flag to the linker 
> 
> -stdlib=libstdc++
> 
> as suggested in http://mathematica.stackexchange.com/questions/34692/mathlink-linking-error-after-os-x-10-9-mavericks-upgrade, but that didn't help.  I'm not on OSX 10.9, but I am using Xcode 5.0.2.
> 
> Thanks,
> Dirk
> 
> 
> ________________________________________
> From: Matt McCormick [matt.mccormick at kitware.com]
> Sent: Thursday, February 06, 2014 12:50 PM
> To: Padfield, Dirk R (GE Global Research)
> Cc: insight-developers at itk.org
> Subject: Re: [ITK Community] [Insight-developers] Problem building ITK
> 
> Hi Dirk,
> 
> Starting from a a fresh source tree and a fresh build tree, does the
> problem persist?
> 
> Thanks,
> Matt
> 
> On Thu, Feb 6, 2014 at 12:01 PM, Padfield, Dirk R (GE Global Research)
> <padfield at research.ge.com> wrote:
>> Hi All,
>> 
>> I have a problem building ITK on my Mac that I wanted to ask about.  ITK builds all the way to the end but then fails when linking
>> 
>> Linking CXX shared library ../../../../lib/libitkSCIFIO-4.6.dylib
>> Undefined symbols for architecture x86_64:
>> 
>> This is followed by a string of errors inside of SCIFIOImageIO.
>> 
>> Here are my specs:
>> Mac OSX 10.8.5 (Mountain Lion)
>> Xcode 5.0.2
>> CMake 2.8.11
>> ITK latest git pull with:
>> BUILD_SHARED_LIBS = ON
>> CMAKE_BUILD_TYPE = RelWithDebInfo
>> 
>> Also, I am building with "Eclipse CDT4 - Unix Makefiles" and "specify native compilers" of "C = gcc" and "C++ = g++".
>> 
>> When running CMake on this version, there is no flag for "Module_SCIFIO".
>> 
>> By the way, I also tried downloading Insight-4.5.0 and building it exactly the same way, and it worked fine.  I noticed that in CMake for 4.5.0, it has a flag "Module_SCIFIO", which is off by default.  But if I turn this flag on and rebuild, I get the same issue described above.
>> 
>> Does anyone have any ideas?
>> 
>> Thanks,
>> Dirk
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> 
> Kitware offers ITK Training Courses, for more information visit:
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