[Cmake] Adding executables that use dlls

Miller, James V (CRD) millerjv at crd.ge.com
Wed Dec 12 10:31:09 EST 2001 

In our UseITK.cmake file we have lines like... 

IF (UNIX)
  LINK_LIBRARIES(${THREAD_LIBS} ${DL_LIBS} -lm)
ENDIF (UNIX)

Don't know if this helps. Attached are our toplevel CMakeLists.txt file as well as
itkCMakeOptions.cmake and UseITK.cmake in case these help.


-----Original Message-----
From: Asad A. Abu-Tarif [mailto:tarifa at rpi.edu]
Sent: Wednesday, December 12, 2001 9:57 AM
To: CMake mailing list
Subject: Re: [Cmake] Adding executables that use dlls


Thanks a million.
What flags do you use for the function 'max' ? (The CMAKE_THREAD_LIBS and
CMAKE_DL_LIBS solve all the thread and lperror ...etc but the reference to
the
max function which is part of the math library).
Do use have a flag for that in CMake?

Thanks again,
Asad

----- Original Message -----
From: "Miller, James V (CRD)" <millerjv at crd.ge.com>
To: "'Asad A. Abu-Tarif'" <tarifa at rpi.edu>; "CMake mailing list"
<cmake at public.kitware.com>
Sent: Wednesday, December 12, 2001 9:27 AM
Subject: RE: [Cmake] Adding executables that use dlls


> We usually have a section of our CMakeLists.txt file for Unix builds that
sets the threads and dl
> libraries.
>
> # set link libraries for project
> IF(UNIX)
>   LINK_LIBRARIES(${CMAKE_THREAD_LIBS} ${CMAKE_DL_LIBS})
> ENDIF(UNIX)
>
> -----Original Message-----
> From: Asad A. Abu-Tarif [mailto:tarifa at rpi.edu]
> Sent: Wednesday, December 12, 2001 9:04 AM
> To: CMake mailing list
> Subject: Re: [Cmake] Adding executables that use dlls
>
>
> Thanks.
> I tried that it works fine with VC++ and windows NT
> and the exe files are generated. However, on linux
> I get the following errors as soon as it tries to link
> the object files to create the very first executable it finds:
> ===============errors===================================
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to `dlerror'
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to
> `pthread_create'
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to `dlclose'
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to `dlopen'
> /usr/asad/RegMagicTKBin/Numerics/libRegMagicTKNumerics.so: undefined
> reference to `max'
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to `dlsym'
> /usr/vtk3.2/Debug/lib/libVTKCommon.so: undefined reference to
`pthread_join'
> ===============end of errors===================================
>
> Any help would be greatly appreciated. The CMakeLists.txt file I used
> is below.
>
> Regards,
> Asad
>
> =============CMakeLists.txt=====================================
> PROJECT (NumericsTesting)
> LINK_LIBRARIES(RegMagicTKNumerics VTKCommon )
> ADD_EXECUTABLE(ExecTestingPowellCompilation
ExecTestingPowellCompilation.cpp
> TestingPowellCompilation.cpp )
> ADD_EXECUTABLE(ExecTestingBracketCompilation
> ExecTestingBracketCompilation.cpp TestingregBracketCompilation.cpp )
> ADD_EXECUTABLE(ExecMatrixGeneration ExecMatrixGeneration.cpp )
> =============CMakeLists.txt=====================================
>
>
>       __________________________________________________
>      /                        Asad A. Abu-Tarif
> \
>      |   Computer Engineering.
> |
>      |   PhD Candidate, Rensselaer Polytechnic Institute (RPI).       |
>      |   tarifa at rpi.ed
> |
>      \___________________________________________________/
>
> ----- Original Message -----
> From: "William A. Hoffman" <bill.hoffman at kitware.com>
> To: "Asad A. Abu-Tarif" <tarifa at rpi.edu>; "CMake mailing list"
> <cmake at public.kitware.com>
> Sent: Wednesday, December 12, 2001 8:26 AM
> Subject: Re: [Cmake] Adding executables that use dlls
>
>
> > Use either the LINK_LIBRARIES command or the TARGET_LINK_LIBRARIES
> command.
> > For an example with VTK, see Examples/Tutorial/Step1/Cxx/CMakeLists.txt.
> >
> > -Bill
> >
> > At 08:00 AM 12/12/2001 -0500, Asad A. Abu-Tarif wrote:
> > >Hi,
> > >I'm trying to use CMake to build a package that I wrote.
> > >I can generate the libraries fine. However, as soon as I
> > >start adding executables, I start getting errors like: undefined
> > >symbol.
> > >
> > >For example, here is one executable I'm trying to add:
> > >
> > >ADD_EXECUTABLE(ExecTestingPowellCompilation
> ExecTestingPowellCompilation.cpp
> > >TestingPowellCompilation.cpp )
> > >
> > >However, I should also link VTKCommon with those files because
> > >they use it. How do I do that?
> > >
> > >Thanks a lot,
> > >Asad
> > >
> > >_______________________________________________
> > >Cmake mailing list
> > >Cmake at public.kitware.com
> > >http://public.kitware.com/mailman/listinfo/cmake
> >
>
> _______________________________________________
> Cmake mailing list
> Cmake at public.kitware.com
> http://public.kitware.com/mailman/listinfo/cmake
>

_______________________________________________
Cmake mailing list
Cmake at public.kitware.com
http://public.kitware.com/mailman/listinfo/cmake


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