[vtkusers] Re: Linker problems

[Paul Tait - OPES]

That’s the beauty of #pragma comment. You cant go wrong. Plus if you send
some one code its self documenting what the lib dependencies are

Paul

-----Original Message-----
From: vtkusers-bounces+paul=opes.com.au at vtk.org
[mailto:vtkusers-bounces+paul=opes.com.au at vtk.org] On Behalf Of Rhys Thomas
Sent: Wednesday, 11 January 2006 5:22 PM
To: vtkusers at public.kitware.com
Subject: Re: [vtkusers] Re: Linker problems


Thanks for all of the replies, they were most helpful. It turns out that 
I had added the relevant directories to the directories thing, but I 
hadn't added the libraries to the linker settings.

Rhys


Paul Tait - OPES wrote:
> Its VC6 centric but this works for me
>
> Include it in a .cpp file and adjust paths to taste
>
> #ifdef _DEBUG
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkCommon.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkFiltering.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkGraphics.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkImaging.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkIO.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkRendering.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkFreeType.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkftgl.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/Debug/vtkHybrid.lib")
> #else
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkCommon.lib")
> #pragma comment(lib, 
> "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkFiltering.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkGraphics.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkImaging.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkIO.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkRendering.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkFreeType.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkftgl.lib")
> #pragma comment(lib, "C:/vtk/vtkbin/bin/RelWithDebInfo/vtkHybrid.lib")
> #endif
>
> -----Original Message-----
> From: vtkusers-bounces+paul=opes.com.au at vtk.org
> [mailto:vtkusers-bounces+paul=opes.com.au at vtk.org] On Behalf Of 
> Goodwin Lawlor
> Sent: Tuesday, 10 January 2006 2:44 AM
> To: vtkusers at public.kitware.com
> Subject: [vtkusers] Re: Linker problems
>
>
> Hi Rhys,
>
> There's 3 things to check
>
> 1. That the vtkIO.lib has been added to the linker input box. 2. That 
> the folder where vtkIO.lib resides is listed as a linker directory 3. 
> That vtkIO.lib has been built correctly and exports the 
> vtkStructuredPointsReader object.
>
> Why not use cmake to correctly set up your VC++ project for you? 
> Create
> a file CMakeLists.txt (in the same folder as you source file) with this 
> text:
>
> PROJECT (test_project)
>
> FIND_PACKAGE(VTK REQUIRED)
> IF(NOT VTK_USE_RENDERING)
>    MESSAGE(FATAL_ERROR "Example ${PROJECT_NAME} requires
> VTK_USE_RENDERING.")
> ENDIF(NOT VTK_USE_RENDERING)
> INCLUDE(${VTK_USE_FILE})
>
> ADD_EXECUTABLE(test_project test_project.cxx) 
> TARGET_LINK_LIBRARIES(test_project vtkRendering vtkIO)
>
> and now run cmake
>
> hth
>
> Goodwin
>
>
>
> Rhys Thomas wrote:
>   
>> Hello one and all, I would very much appreciate it if somebody could 
>> help me with the following problem. When I attempt to build the 
>> following program in Microsoft Visual Studio 6 I get back error 
>> messages from the linker complaining of an unresolved external 
>> symbol, however I believe that I have set the linker to link to all 
>> of the necessary code.
>>
>> My code is thus:
>>
>> #include "vtkActor.h"
>> #include "vtkRenderer.h"
>> #include "vtkRenderWindow.h"
>> #include "vtkStructuredPoints.h"
>> #include "vtkStructuredPointsReader.h"
>>
>> int main(int argc, char**argv)
>> {
>>    vtkStructuredPointsReader *reader = vtkStructuredPointsReader::New();
>>    reader->SetFileName("c:/abdomen.vtk");
>>    reader->Delete();
>>    return 0;
>> }
>>
>> and produces the following output when a build attempt is made:
>>
>> --------------------Configuration: RenderData - Win32
>> Debug--------------------
>> Linking...
>> RenderData.obj : error LNK2001: unresolved external symbol "public:
>> static class vtkStructuredPointsReader * __cdecl 
>> vtkStructuredPointsReader::New(void)" 
>> (?New at vtkStructuredPointsReader@@SAPAV1 at XZ)
>> Debug/RenderData.exe : fatal error LNK1120: 1 unresolved externals
>> Error executing link.exe.
>>
>> RenderData.exe - 2 error(s), 0 warning(s)
>>
>> Thanks for your time
>>
>> Rhys Thomas
>> _______________________________________________
>> This is the private VTK discussion list. Please keep messages
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>>     
>
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>   

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