[Insight-developers] FFTW not working

gang song songgang97 at gmail.com
Tue Apr 19 16:44:07 EDT 2011 

Hi Kent,

Thanks for the update. I saw ITK master branch already merged your
patch now. Now it compiled successfully on my system.

I got another question about FFTW library. When I am compiling our
registration program linking ITK, I got this error:


Linking CXX executable ANTS
/usr/bin/ld: cannot find -lfftw3
collect2: ld returned 1 exit status
make[2]: *** [ANTS] Error 1
make[1]: *** [CMakeFiles/ANTS.dir/all] Error 2
make: *** [all] Error 2

The corresponding CMakeLists.txt seg is :

add_executable(ANTS ANTS.cxx ${UI_SOURCES})
target_link_libraries(ANTS ${ITK_LIBRARIES} )


Is it possible that -lfftw3 has not been set in ${ITK_LIBRARIES} ?

Thanks

-Gang




On Tue, Apr 19, 2011 at 10:39 AM, Williams, Norman K
<norman-k-williams at uiowa.edu> wrote:
> I'm doing a build right now to see if I can duplicate the problem.
>
> There seems to be a problem with respect to where the FFTW header files
> are being searched for; the place the files are being installed --
> ${CMAKE_BINARY_DIR}/fftw/include -- isn't on the include path.
>
> I'm testing a fix for this, but since it involves changing compiler flags,
> it's triggered a complete rebuild of ITK.
>
> If you want to try it yourself, this is what is involved.
>
> diff --git a/CMake/itkExternal_FFTW.cmake b/CMake/itkExternal_FFTW.cmake
> index 96f93ee..7c48f0b 100644
> --- a/CMake/itkExternal_FFTW.cmake
> +++ b/CMake/itkExternal_FFTW.cmake
> @@ -85,6 +85,7 @@ else(USE_SYSTEM_FFTW)
>         )
>     endif(USE_FFTWD)
>     link_directories(${ITK_BINARY_DIR}/fftw/lib)
> +    include_directories(${ITK_BINARY_DIR}/fftw/include)
>     # backwards compatibility
>     set(FFTW_INCLUDE_PATH ${ITK_BINARY_DIR}/fftw/include)
>     #
>
>
> On 4/18/11 6:23 PM, "gang song" <songgang97 at gmail.com> wrote:
>
>
>>Hi,
>>
>>I could not compile today's ITK with FFTW with these CMake options:
>>
>>
>> BUILD_DOCUMENTATION              OFF
>> BUILD_EXAMPLES                   OFF
>> BUILD_SHARED_LIBS                OFF
>> BUILD_TESTING                    ON
>> CMAKE_BUILD_TYPE                 Release
>> DART_TESTING_TIMEOUT             1500
>> ITKV3_COMPATIBILITY              OFF
>> ITK_BUILD_ALL_MODULES            ON
>>
>>USE_FFTWD                        ON
>>USE_FFTWF                        ON
>>USE_SYSTEM_FFTW                  OFF
>>
>>The OS is Linux (CentOS). No fftw library has been installed in the
>>system path.
>>
>>ITK did download fftw in the first step and compiled successfully
>>
>>[  0%] Built target fftwd
>>[  1%] Built target fftwf
>>
>>
>>But then it came to this error -- seems that many FFTW related
>>variables are broken:
>>
>>
>>[ 59%] Building CXX object
>>Modules/Filtering/FFT/src/CMakeFiles/ITK-FFT.dir/itkFFTWGlobalConfiguratio
>>n.cxx.o
>>In file included from
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:18:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/include/itkFFTWGlob
>>alConfiguration.h:30:19:
>>error: fftw3.h: No such file or directory
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic int
>>itk::FFTWGlobalConfiguration::GetPlanRigorValue(const std::string&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:44:
>>error: ŒFFTW_ESTIMATE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:48:
>>error: ŒFFTW_MEASURE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:52:
>>error: ŒFFTW_PATIENT¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:56:
>>error: ŒFFTW_EXHAUSTIVE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic std::string
>>itk::FFTWGlobalConfiguration::GetPlanRigorName(const int&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:67:
>>error: ŒFFTW_ESTIMATE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:69:
>>error: ŒFFTW_MEASURE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:71:
>>error: ŒFFTW_PATIENT¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:73:
>>error: ŒFFTW_EXHAUSTIVE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In constructor Œitk::FFTWGlobalConfiguration::FFTWGlobalConfiguration()¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:147:
>>error: ŒFFTW_ESTIMATE¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:165:
>>error: Œfftwf_init_threads¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:171:
>>error: Œfftw_init_threads¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:231:
>>error: Œfftwf_import_system_wisdom¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:235:
>>error: Œfftw_import_system_wisdom¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In destructor Œvirtual
>>itk::FFTWGlobalConfiguration::~FFTWGlobalConfiguration()¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:266:
>>error: Œfftwf_cleanup_threads¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:267:
>>error: Œfftwf_cleanup¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:270:
>>error: Œfftw_cleanup_threads¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:271:
>>error: Œfftw_cleanup¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic bool
>>itk::FFTWGlobalConfiguration::ImportWisdomFileFloat(const
>>std::string&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:343:
>>error: Œfftwf_import_wisdom_from_file¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic bool
>>itk::FFTWGlobalConfiguration::ImportWisdomFileDouble(const
>>std::string&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:374:
>>error: Œfftw_import_wisdom_from_file¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic bool
>>itk::FFTWGlobalConfiguration::ExportWisdomFileFloat(const
>>std::string&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:411:
>>error: Œfftwf_export_wisdom_to_file¹ was not declared in this scope
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:
>>In static member function Œstatic bool
>>itk::FFTWGlobalConfiguration::ExportWisdomFileDouble(const
>>std::string&)¹:
>>/home/songgang/project/ITKv4/ITK/Modules/Filtering/FFT/src/itkFFTWGlobalCo
>>nfiguration.cxx:442:
>>error: Œfftw_export_wisdom_to_file¹ was not declared in this scope
>>make[2]: ***
>>[Modules/Filtering/FFT/src/CMakeFiles/ITK-FFT.dir/itkFFTWGlobalConfigurati
>>on.cxx.o]
>>Error 1
>>make[1]: *** [Modules/Filtering/FFT/src/CMakeFiles/ITK-FFT.dir/all] Error
>>2
>>make: *** [all] Error 2
>>
>>
>>
>>Thanks for any suggestion
>>
>>-Gang
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>
>
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