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[Kornel <Kornel.Benko@xxxxxxxxx>]

Cannot confirm. Both, Debug an Release link here without problems.

The undefined references are part of the vigra library.
This lib has to be built from source, since the ubuntu-provided is little outdated.

(Get it from "git://github.com/ukoethe/vigra.git",
 configure with "cmake <wherever the source resides",

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https://bugs.launchpad.net/bugs/1055303

Title:
  Compiling for debugging fails in linking phase

Status in Enblend:
  New

Bug description:
  My aim is to hunt core dump in enblend, therefore I try to build
  enblend for debugging.

  System: Ubuntu 12.04
  Linux tas 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

  I created a build directory called 'Debug' in the enblend tree and run
  the below command to create the 'make' config. Note that
  CMAKE_BUILD_TYPE is set to 'Debug'.

  cmake ../ -DENABLE_GPU:BOOL=OFF -DENABLE_IMAGECACHE:BOOL=OFF
  -DENABLE_OPENMP:BOOL=ON -DCPACK_BINARY_DEB:BOOL=ON
  -DCPACK_BINARY_NSIS:BOOL=OFF -DCPACK_BINARY_RPM:BOOL=OFF
  -DCPACK_BINARY_STGZ:BOOL=OFF -DCPACK_BINARY_TBZ2:BOOL=OFF
  -DCPACK_BINARY_TGZ:BOOL=OFF -DCPACK_BINARY_TZ:BOOL=OFF
  -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=/usr/local

  make enblend

  A lot of linker error is thrown. The errors are the same except the
  value_type which is int, double etc. undefined reference to
  'vigra::VigraTrueType::asBool' is the error embedded in the message.

  The error does not appear if enblend is built for 'Release' by setting
  the CMAKE_BUILD_TYPE to 'Release'.

  The attachment is the result of:

  make VERBOSE=1 -j16 enblend'

  .o file generation excluded as there is no error in that phase.

  Here is a complete example of one occurance of the linker error:

  CMakeFiles/enblend.dir/enblend.o: In function `void transformImageMP<vigra::ConstBasicImageIterator<signed char, signed char**>, vigra::StandardConstValueAccessor<signed char>, vigra::BasicImageIterator<short, short**>, vigra::StandardValueAccessor<short>, enblend::ConvertScalarToPyramidFunctor<signed char, short, 9, 7> >(vigra::ConstBasicImageIterator<signed char, signed char**>, vigra::ConstBasicImageIterator<signed char, signed char**>, vigra::StandardConstValueAccessor<signed char>, vigra::BasicImageIterator<short, short**>, vigra::StandardValueAccessor<short>, enblend::ConvertScalarToPyramidFunctor<signed char, short, 9, 7> const&)':
  /home/smb/opensource/enblend/src/openmp.h:209: undefined reference to `vigra::VigraTrueType::asBool'
  CMakeFiles/enblend.dir/enblend.o: In function `void transformImageMP<vigra::ConstBasicImageIterator<unsigned short, unsigned short**>, vigra::StandardConstValueAccessor<unsigned short>, vigra::BasicImageIterator<int, int**>, vigra::StandardValueAccessor<int>, enblend::ConvertScalarToPyramidFunctor<unsigned short, int, 17, 7> >(vigra::ConstBasicImageIterator<unsigned short, unsigned short**>, vigra::ConstBasicImageIterator<unsigned short, unsigned short**>, vigra::StandardConstValueAccessor<unsigned short>, vigra::BasicImageIterator<int, int**>, vigra::StandardValueAccessor<int>, enblend::ConvertScalarToPyramidFunctor<unsigned short, int, 17, 7> const&)':
  /home/smb/opensource/enblend/src/openmp.h:209: undefined reference to `vigra::VigraTrueType::asBool'
  CMakeFiles/enblend.dir/enblend.o: In function `void transformImageMP<vigra::ConstBasicImageIterator<short, short**>, vigra::StandardConstValueAccessor<short>, vigra::BasicImageIterator<int, int**>, vigra::StandardValueAccessor<int>, enblend::ConvertScalarToPyramidFunctor<short, int, 17, 7> >(vigra::ConstBasicImageIterator<short, short**>, vigra::ConstBasicImageIterator<short, short**>, vigra::StandardConstValueAccessor<short>, vigra::BasicImageIterator<int, int**>, vigra::StandardValueAccessor<int>, enblend::ConvertScalarToPyramidFunctor<short, int, 17, 7> const&)':
  /home/smb/opensource/enblend/src/openmp.h:209: undefined reference to `vigra::VigraTrueType::asBool'
  CMakeFiles/enblend.dir/enblend.o: In function `void transformImageMP<vigra::ConstBasicImageIterator<unsigned int, unsigned int**>, vigra::StandardConstValueAccessor<unsigned int>, vigra::BasicImageIterator<double, double**>, vigra::StandardValueAccessor<double>, enblend::ConvertScalarToPyramidFunctor<unsigned int, double, 8, 0> >(vigra::ConstBasicImageIterator<unsigned int, unsigned int**>, vigra::ConstBasicImageIterator<unsigned int, unsigned int**>, vigra::StandardConstValueAccessor<unsigned int>, vigra::BasicImageIterator<double, double**>, vigra::StandardValueAccessor<double>, enblend::ConvertScalarToPyramidFunctor<unsigned int, double, 8, 0> const&)':
  /home/smb/opensource/enblend/src/openmp.h:209: undefined reference to `vigra::VigraTrueType::asBool'
  CMakeFiles/enblend.dir/enblend.o: In function `void transformImageMP<vigra::ConstBasicImageIterator<int, int**>, vigra::StandardConstValueAccessor<int>, vigra::BasicImageIterator<double, double**>, vigra::StandardValueAccessor<double>, enblend::ConvertScalarToPyramidFunctor<int, double, 8, 0> >(vigra::ConstBasicImageIterator<int, int**>, vigra::ConstBasicImageIterator<int, int**>, vigra::StandardConstValueAccessor<int>, vigra::BasicImageIterator<double, double**>, vigra::StandardValueAccessor<double>, enblend::ConvertScalarToPyramidFunctor<int, double, 8, 0> const&)':
  /home/smb/opensource/enblend/src/openmp.h:209: undefined reference to `vigra::VigraTrueType::asBool'
  CMakeFiles/enblend.dir/enblend.o:/home/smb/opensource/enblend/src/openmp.h:209: more undefined references to `vigra::VigraTrueType::asBool' follow

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