Why do I receive link errors when compiling the "matrixdriver.cpp" example on 64-bit Windows in Microsoft Visual Studio 2005?

I use 64-bit MATLAB Compiler C++ 4.6 (R2007a) to build a C++ shared library "libmatrixp.dll". When I build the driver "matrixdriver.cpp" on 64-bit Windows in Microsoft Visual Studio 2005, after properly setting the link and include paths, I receive link errors:

 1>------ Build started: Project: matrixtest, Configuration: Debug Win32------

 1>Compiling...

 1>matrixdriver.cpp

 1>Compiling manifest to resources...

 1>Linking...

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 _mclTerminateApplication referenced in function

 __catch$?run_main@@YAPAXPAX@Z$0

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 _libmatrixpTerminate referenced in function

 __catch$?run_main@@YAPAXPAX@Z$0

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 "__declspec(dllimport) void __cdecl eigmatrix(int,class mwArray &,class

 mwArray const &)" (__imp_?eigmatrix@@YAXHAAVmwArray@@ABV1@@Z) referenced

 in function "void * __cdecl run_main(void *)" (?run_main@@YAPAXPAX@Z)

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 "__declspec(dllimport) void __cdecl multiplymatrix(int,class mwArray

 &,class mwArray const &,class mwArray const &)"

 (__imp_?multiplymatrix@@YAXHAAVmwArray@@ABV1@1@Z) referenced in function

 "void * __cdecl run_main(void *)" (?run_main@@YAPAXPAX@Z)

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 "__declspec(dllimport) void __cdecl addmatrix(int,class mwArray &,class

 mwArray const &,class mwArray const &)"

 (__imp_?addmatrix@@YAXHAAVmwArray@@ABV1@1@Z) referenced in function

 "void * __cdecl run_main(void *)" (?run_main@@YAPAXPAX@Z)

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 _libmatrixpInitialize referenced in function "void * __cdecl

 run_main(void *)" (?run_main@@YAPAXPAX@Z)

 1>matrixdriver.obj : error LNK2019: unresolved external symbol

 _mclInitializeApplication referenced in function "void * __cdecl

 run_main(void *)" (?run_main@@YAPAXPAX@Z)

Answer 1

[MathWorks Support Team]

To ensure you do not get linker errors when building applications in Visual Studio that link against MATLAB DLLs, these are few things to verify:

1. Check that you have included references to all the dependent libraries. Refer to the Related Solution at the bottom of the page for a detailed description on this:

2. Check the target machine flag in Visual Studio: This should correspond to the libraries that you are linking against. For example, if you specify '/MACHINE:AMD64', it should link against only the 64-bit MATLAB libraries. If you specify '/MACHINE:X86', it should link against only 32-bit MATLAB libraries.

For additional information on how the target platform of the Visual Studio project can be changed, refer to "How to: Configure Visual C++ Projects to Target 64-Bit Platforms" at:

 <http://msdn2.microsoft.com/en-us/library/9yb4317s(VS.80).aspx>