[ITK-users] Linker error when using Loop subdivision on Mac

[Matt McCormick]

Hi Davis,

Please review this patch:

  http://review.source.kitware.com/#/c/20923

Thanks,
Matt

On Thu, Mar 17, 2016 at 6:42 PM, DVigneault <davis.vigneault at gmail.com> wrote:
> All--
>
> I'm getting a linker error (undefined symbols for
> itk::NumericTraits<float>::Zero) when compiling a simple program against the
> development branch of ITK on OS X 10.10.5 (Yosemite) with
> Module_SubdivisionQuadEdgeMesh ON.  (I'm using the XCode toolchain compiler
> with c++11.)  I only get this error on Mac--the same program compiles
> without a problem on Ubuntu 14.04.  I tried a clean build of ITK but without
> luck.  I went poking around itkNumericTraits.h, and the template
> specialization (including ::Zero) is defined right in the header, which is
> confusing.  Any ideas what I might have done wrong?
>
> Best,
>
> --Davis
>
> #########
> ## Source ##
> #########
>
> #include <itkQuadEdgeMesh.h>
> #include <itkLoopTriangleCellSubdivisionQuadEdgeMeshFilter.h>
>
> typedef itk::QuadEdgeMesh< float, 3 > TMesh;
> typedef itk::LoopTriangleCellSubdivisionQuadEdgeMeshFilter< TMesh, TMesh >
> TLoop;
>
> int main()
> {
>   TLoop::Pointer loop = TLoop::New();
>   return EXIT_SUCCESS;
> }
>
> ##############
> ## CMakeLists.txt ##
> ##############
>
> cmake_minimum_required(VERSION 2.8.12)
>
> project(dv-linker)
>
> set(ITK_DIR "~/Developer/ITK/bin")
> set(CMAKE_CXX_FLAGS "-std=c++11" CACHE STRING "cxx compiler flags" FORCE)
> set(CMAKE_CXX_FLAGS_DEBUG "-g -Wall -Wextra" CACHE STRING "cxx debug
> compiler flags" FORCE)
> set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "build type" FORCE)
>
> find_package(ITK REQUIRED)
> include(${ITK_USE_FILE})
>
> add_executable(dv-linker dv-linker.cxx)
> target_link_libraries(dv-linker ${ITK_LIBRARIES})
>
> #############
> ## Linker Error  ##
> #############
>
> $ make
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
> /Users/Davis/Developer/BitBucket/oxford/examples/ITK/dv-linker/bin
> [ 50%] Linking CXX executable dv-linker
> Undefined symbols for architecture x86_64:
>   "itk::NumericTraits<float>::Zero", referenced from:
>
> itk::LoopTriangleCellSubdivisionQuadEdgeMeshFilter<itk::QuadEdgeMesh<float,
> 3u, itk::QuadEdgeMeshTraits<float, 3u, bool, bool, float, float> >,
> itk::QuadEdgeMesh<float, 3u, itk::QuadEdgeMeshTraits<float, 3u, bool,
> bool, float, float> > >::AddNewCellPoints(itk::CellInterface<float,
> itk::QuadEdgeMeshCellTraitsInfo<3, float, float, unsigned long, unsigned
> long, unsigned char, itk::QuadEdgeMeshPoint<float, 3u,
> itk::GeometricalQuadEdge<unsigned long, unsigned long, bool, bool, true>
>>, itk::MapContainer<unsigned long, itk::QuadEdgeMeshPoint<float, 3u,
> itk::GeometricalQuadEdge<unsigned long, unsigned long, bool, bool, true>
>> >, std::__1::set<unsigned long, std::__1::less<unsigned long>,
> std::__1::allocator<unsigned long> >, itk::GeometricalQuadEdge<unsigned
> long, unsigned long, bool, bool, true> > >*) in dv-linker.cxx.o
>
> itk::LoopTriangleCellSubdivisionQuadEdgeMeshFilter<itk::QuadEdgeMesh<float,
> 3u, itk::QuadEdgeMeshTraits<float, 3u, bool, bool, float, float> >,
> itk::QuadEdgeMesh<float, 3u, itk::QuadEdgeMeshTraits<float, 3u, bool,
> bool, float, float> > >::SmoothingPoint(itk::QuadEdgeMeshPoint<float, 3u,
> itk::GeometricalQuadEdge<unsigned long, unsigned long, bool, bool, true>
>> const&, itk::MapContainer<unsigned long, itk::QuadEdgeMeshPoint<float,
> 3u, itk::GeometricalQuadEdge<unsigned long, unsigned long, bool, bool,
> true> > > const*) in dv-linker.cxx.o
> ld: symbol(s) not found for architecture x86_64
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> make[2]: *** [dv-linker] Error 1
> make[1]: *** [CMakeFiles/dv-linker.dir/all] Error 2
> make: *** [all] Error 2
>
>
>
>
>
> --
> View this message in context: http://itk-insight-users.2283740.n2.nabble.com/Linker-error-when-using-Loop-subdivision-on-Mac-tp7588625.html
> Sent from the ITK Insight Users mailing list archive at Nabble.com.
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