cuSolver: Linking error (LNK2001)

I tried to build the example “Batched Sparse QR example 1” from CUDA Toolkit Documentation on cuColver library (both in QtCreator and MSVisual Studio 2012 Express). I’m using Windows 7, 64 bits.

I stated the paths for include files and for the libraries, like this (in Qt):

INCLUDEPATH += C:/cuda/toolkit/include
LIBS += -Lc:/cuda/toolkit/lib/x64/ -lcuda -lcudart -lcusolver -lcusparse

In MSVisual Studio I added the include path as usually in ‘Additinal Include Directories’ (Configuration Properties->C/C++ ->General) and for libraries path in ‘Additinal Dependencies’ (Configuration Properties->Linker->Input)

Linking errors below.
Thanks in advance for any help on this subject.
Cheers,
Mr.Fisgas

Error 1 error LNK2001: unresolved external symbol _cusolverSpCreateCsrqrInfo@4 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 2 error LNK2001: unresolved external symbol _cusparseCreateMatDescr@4 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 3 error LNK2001: unresolved external symbol _cusparseSetMatType@8 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 4 error LNK2001: unresolved external symbol _cudaMalloc@8 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 5 error LNK2001: unresolved external symbol _cusolverSpXcsrqrAnalysisBatched@32 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 6 error LNK2001: unresolved external symbol _cusolverSpDcsrqrBufferInfoBatched@48 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 7 error LNK2001: unresolved external symbol _cusolverSpDcsrqrsvBatched@52 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 8 error LNK2001: unresolved external symbol _cusparseGetMatIndexBase@4 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 9 error LNK2001: unresolved external symbol _cusparseSetMatIndexBase@8 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 10 error LNK2001: unresolved external symbol _cudaMemcpy@16 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 11 error LNK2001: unresolved external symbol _cusolverSpCreate@4 c:\Users\X\documents\visual studio 2012\Projects\Project1\Project1\test.obj Project1
Error 12 error LNK1120: 11 unresolved externals c:\users\X\documents\visual studio 2012\Projects\Project1\Release\Project1.exe Project1

I already built the example in Visual Studio. I have ‘Win32’ Active solution platform. As soon as I changed it to ‘x64’ I got a “Build succeeded”.

As I have Windows 7, I think I can´t build my “Qt project” in 64 platform.
It is just available for Windows 8.

http://doc.qt.io/qt-5/supported-platforms.html