title: tk.h not found while building KwWidget
body: <p>Following errors occurred while building KWWidget:</p>
  
  <pre><code>3&gt;vtkKWApplicationTcl.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWTkTreeCtrlInit.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;tkShape.cpp
  3&gt;..\KWWidgets-HEAD-cvs\Utilities\tkdnd\win\tkShape.cpp(13) : error C2061: syntax error : identifier 'Tcl_Obj'
  3&gt;..\KWWidgets-HEAD-cvs\Utilities\tkdnd\win\tkShape.cpp(16) : error C2065: 'objv' : undeclared identifier
  3&gt;..\KWWidgets-HEAD-cvs\Utilities\tkdnd\win\tkShape.cpp(16) : error C3861: 'Tcl_WrongNumArgs': identifier not found
  3&gt;..\KWWidgets-HEAD-cvs\Utilities\tkdnd\win\tkShape.cpp(24) : error C3861: 'Tcl_CreateObjCommand': identifier not found
  3&gt;..\KWWidgets-HEAD-cvs\Utilities\tkdnd\win\tkShape.cpp(27) : error C3861: 'Tcl_PkgProvide': identifier not found
  3&gt;tkOleDND.cpp
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;OleDND.cpp
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWTkDnDInit.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;tkDNDBind.cpp
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;tkDND.cpp
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWTkconInit.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWTablelistInit.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWBWidgetsInit.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWWidgetsInitializeCommand.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWSimpleAnimationWidget.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWSelectionFrameLayoutManager.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWRenderWidget.cxx
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : error C2143: syntax error : missing ';' before '*'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(389) : error C2146: syntax error : missing ';' before identifier 'LPTCH'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(389) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(389) : error C2378: 'LPCH' : redefinition; symbol cannot be overloaded with a typedef
  3&gt;        C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(353) : see declaration of 'LPCH'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(389) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(389) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(398) : error C2143: syntax error : missing ';' before '*'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(398) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(398) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(399) : error C2143: syntax error : missing ';' before '*'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(399) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winnt.h(399) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3422) : error C2143: syntax error : missing ';' before '__stdcall'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3422) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3422) : error C2040: 'LPCH' : 'int' differs in levels of indirection from 'int *'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3425) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3447) : error C2146: syntax error : missing ')' before identifier 'NewEnvironment'
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3447) : warning C4229: anachronism used : modifiers on data are ignored
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3447) : error C2491: 'SetEnvironmentStringsA' : definition of dllimport data not allowed
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3447) : error C2440: 'initializing' : cannot convert from 'int *' to 'BOOL'
  3&gt;        There is no context in which this conversion is possible
  3&gt;C:\Program Files\Microsoft SDKs\Windows\v6.0A\include\winbase.h(3447) : error C2059: syntax error : ')'
  3&gt;Compiling...
  3&gt;vtkKWPresetSelector.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWPopupButton.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWOptionDataBase.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWObject.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  3&gt;vtkKWMultiColumnList.cxx
  3&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  .
  .
  24&gt;Linking...
  24&gt;LINK : fatal error LNK1104: cannot open file '..\bin\Debug\KWWidgets.lib'
  24&gt;Build log was saved at "file://d:\KWWidget\bin\Utilities\KWConvertImageToHeader.dir\Debug\BuildLog.htm"
  24&gt;KWConvertImageToHeader - 1 error(s), 0 warning(s)
  25&gt;------ Build started: Project: KWFileBrowserDialogExample, Configuration: Debug Win32 ------
  25&gt;Compiling...
  25&gt;KWFileBrowserDialogExample.cxx
  25&gt;D:\VTK\src\Common\vtkTk.h(26) : fatal error C1083: Cannot open include file: 'tk.h': No such file or directory
  25&gt;Build log was saved at "file://d:\KWWidget\bin\Examples\Cxx\FileBrowserDialog\KWFileBrowserDialogExample.dir\Debug\BuildLog.htm"
  25&gt;KWFileBrowserDialogExample - 1 error(s), 0 warning(s)
  26&gt;------ Skipped Build: Project: INSTALL, Configuration: Debug Win32 ------
  26&gt;Project not selected to build for this solution configuration 
  ========== Build: 0 succeeded, 20 failed, 3 up-to-date, 6 skipped ==========
  </code></pre>
  
  <p>I have installed ActiveTcl8.5.13.0.296436-win32-ix86-threaded and TclDevKit5.3.0.295349-win32-ix86-threaded but couldn't found tk.h please help.
  Thanks.</p>