```cmake
#
# See CMake/ctkMacroGetTargetLibraries.cmake
# 
# This file should list the libraries required to build the current CTK libraries
#

SET(target_libraries
  VTK_LIBRARIES
  CTKVisualizationVTKCore
  )```

Update Visualization/VTK/Widgets/CMakeLists.txt - VisualizationVTKWidgets now depends on CTKWidgets library
user
```cmake
#
# See CMake/ctkMacroGetTargetLibraries.cmake
# 
# This file should list the libraries required to build the current CTK libraries
#

SET(target_libraries
  VTK_LIBRARIES
  CTKWidgets
  CTKVisualizationVTKCore
  )```
assistant