[vtkusers] Linker error unresolved external in C++ Builder 6.0

Wed Nov 14 10:58:19 EST 2007

Dear David and Kent

The solution was very easy, alone to incorporate the libraries via Project |
Add to project
Thank you for everything, we will meet you

Walter


David Cole wrote:
> 
> If you are using CMake to build your project, just add:
> 
> TARGET_LINK_LIBRARIES(myExeOrLib vtkRendering)
> 
> after your ADD_EXECUTABLE or ADD_LIBRARY statement.
> 
> See "cmake --help-command TARGET_LINK_LIBRARIES" for more info.
> 
> 
> On 11/13/07, Walter Cabrera <walter at eresmas.net> wrote:
>>
>>
>> Dear David:
>>
>> I am using CMake with the following configuration:
>>
>> Source code: C:\VTK
>> build the binaries: C:\VTK\build
>>
>> BUILD_EXAMPLES: OFF
>> BUILD_SHARED_LIBS:OFF
>> CMAKE_BACKWARDS_COMPATIBILITY: 2.4
>> CMAKE_BUILD_TYPE: Debug
>> CMAKE_INSTALL_PREFIX: C:/VTK
>> VTK_DATA_ROOT: C:/VTK/VTKData
>> VTK_USE_PARALLEL: ON
>> VTK_USE_RENDERING: ON
>> VTK_WRAP_JAVA: OFF
>> VTK_WRAP_PYTHON: OFF
>> VTK_WRAP_TCL: OFF
>>
>> Then I used Borland make(makefile)
>>
>> I think as you that some library is missing from the link.
>>
>> In borland the path to library are placed using Project | Options |
>> Directories/Conditionals | Library path
>>
>> Hear is the path C:\VTK\build\bin that contains the VTK libraries builded
>> by
>> CMake
>>
>> But the error continues ....
>>
>> Thank you for everything, very nice
>>
>> Walter
>>
>>
>> David Cole wrote:
>> >
>> > Are you using CMake to generate your Borland makefile?
>> > Are you using a build of VTK also built with CMake / Borland makefiles?
>> >
>> > That is the normal/expected VTK use.
>> >
>> > If you have built VTK and want to use it *without* using CMake to drive
>> > the
>> > build of your project, then you have to add stuff to the Borland
>> project
>> > to
>> > enable including VTK header files and linking to VTK libraries.
>> >
>> > As I am not a Borland GUI user, I do not know how to tell you to add a
>> VTK
>> > library through Borland's GUI. Unresolved external errors mean that
>> some
>> > library is missing from the link line -- if you are using a CMake based
>> > project, this should just work; if you are using Borland's IDE/GUI then
>> > you
>> > are on your own... :-)
>> >
>> > Any other Borland IDE users out there that can help Walter?
>> >
>> > HTH,
>> > David
>> >
>> >
>> > On 11/13/07, Walter Cabrera <walter at eresmas.net> wrote:
>> >>
>> >>
>> >> Dear Kent and David:
>> >>
>> >>
>> >> This is the source:
>> >>
>> >> #include <vcl.h>
>> >> #pragma hdrstop
>> >>
>> >> #include "Unit1.h"
>> >> #include <vtkBMPReader.h>
>> >>
>> >>
>> //---------------------------------------------------------------------------
>> >> #pragma package(smart_init)
>> >> #pragma resource "*.dfm"
>> >> TForm1 *Form1;
>> >>
>> >>
>> //---------------------------------------------------------------------------
>> >> __fastcall TForm1::TForm1(TComponent* Owner)
>> >>   : TForm(Owner)
>> >> {
>> >>   vtkBMPReader *bmpReader=vtkBMPReader::New();
>> >> }
>> >>
>> >> and this is the error
>> >>
>> >> [Linker Error] Unresolved external 'vtkBMPReader::New()' referenced
>> from
>> >> C:\VTK\UNIT1.OBJ
>> >>
>> >> I think that the error is in link step.
>> >>
>> >> Thanks
>> >>
>> >>
>> >>
>> >> Kent Eschenberg wrote:
>> >> >
>> >> > Nevertheless David is correct: there is no such class as
>> VTKBMPReader.
>> >> Why
>> >> > not
>> >> > correct this error and see what happens?
>> >> >
>> >> > Kent
>> >> >
>> >> > Walter Cabrera wrote:
>> >> >> Hi dear David:
>> >> >>
>> >> >> This it is not the mistake because the compilation step executes
>> >> >> successfully, vtkBMPReader is written correctly in the source, the
>> >> error
>> >> >> is
>> >> >> in the step of link.
>> >> >>
>> >> >> Thanks
>> >> >>
>> >> >>
>> >> >> David Cole wrote:
>> >> >>> There is no VTKBMPReader with upper case VTK... If that's printed,
>> >> it's
>> >> >>> a
>> >> >>> typo.
>> >> >>>
>> >> >>> Try "vtkBMPReader"
>> >> >>>
>> >> >>> HTH,
>> >> >>> David
>> >> >>>
>> >> >>> On 11/6/07, Walter Cabrera <walter at eresmas.net> wrote:
>> >> >>>>
>> >> >>>> Hi.
>> >> >>>> My environment is the compiler C++ Builder 6.0.  I am trying to
>> >> execute
>> >> >>>> the
>> >> >>>> example of the VTK User's Guide (page 54). Using the VTKBMPReader
>> >> class
>> >> >>>> in
>> >> >>>> the instruction
>> >> >>>>
>> >> >>>> VTKBMPReader* bmpreader=VTKBMPReader::New(); I get the error
>> >> >>>>
>> >> >>>>             Linker error unresolved external
>> "VTKBMPReader::New()"
>> >> >>>> referenced from unit3.obj
>> >> >>>>
>> >> >>>>             I suppose that this error is related with the cmake
>> >> >>>> configuration I use. Can someone help me and give a hint?
>> >> >>>>
>> >> >>>>             Thanks
>> >> >>>>
>> >> >>>> --
>> >> >>>> View this message in context:
>> >> >>>>
>> >>
>> http://www.nabble.com/Linker-error-unresolved-external-in-C%2B%2B-Builder-6.0-tf4757672.html#a13605341
>> >> >>>> Sent from the VTK - Users mailing list archive at Nabble.com.
>> >> > _______________________________________________
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>> >> > Please keep messages on-topic. Check the FAQ at:
>> >> > http://www.vtk.org/Wiki/VTK_FAQ
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>> >> >
>> >> >
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/Linker-error-unresolved-external-in-C%2B%2B-Builder-6.0-tf4757672.html#a13721502
>> >> Sent from the VTK - Users mailing list archive at Nabble.com.
>> >>
>> >> _______________________________________________
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>>
>> --
>> View this message in context:
>> http://www.nabble.com/Linker-error-unresolved-external-in-C%2B%2B-Builder-6.0-tf4757672.html#a13725951
>> Sent from the VTK - Users mailing list archive at Nabble.com.
>>
>> _______________________________________________
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> 
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