visual c++

1>------ Build started: Project: HelloWorld, Configuration: Debug Win32 ------
1>Linking...
1>   Creating library C:\Users\tom\Desktop\VisualC++\Tcl Extention\HelloWorld\Debug\HelloWorld.lib and object C:\Users\tom\Desktop\VisualC++\Tcl Extention\HelloWorld\Debug\HelloWorld.exp
1>hello_world.obj : error LNK2001: unresolved external symbol _tclStubsPtr
1>hello_world.obj : error LNK2019: unresolved external symbol _Tcl_InitStubs referenced in function _Tcldemo_Init
1>C:\Users\tom\Desktop\VisualC++\Tcl Extention\HelloWorld\Debug\HelloWorld.dll : fatal error LNK1120: 2 unresolved externals
1>Build log was saved at "file://c:\Users\tom\Desktop\VisualC++\Tcl Extention\HelloWorld\HelloWorld\Debug\BuildLog.htm"
1>HelloWorld - 3 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========