vtkModuleDebugging: add module to expose options for module debugging

CMake/vtkModuleDebugging.cmake

+option("${PROJECT_NAME}_DEBUG_MODULE" "Debug module logic in ${PROJECT_NAME}" OFF)
+mark_as_advanced("${PROJECT_NAME}_DEBUG_MODULE")
+
+set(_vtk_module_log)
+
+include(CMakeDependentOption)
+cmake_dependent_option("${PROJECT_NAME}_DEBUG_MODULE_ALL" "Enable all debugging" OFF
+  "${PROJECT_NAME}_DEBUG_MODULE" OFF)
+mark_as_advanced("${PROJECT_NAME}_DEBUG_MODULE_ALL")
+
+if (${PROJECT_NAME}_DEBUG_MODULE_ALL)
+  set(_vtk_module_log "ALL")
+else ()
+  set(_builtin_domains
+    building
+    enable
+    kit
+    module
+    provide
+    testing)
+  foreach (_domain IN LISTS _builtin_domains _debug_domains)
+    cmake_dependent_option("${PROJECT_NAME}_DEBUG_MODULE_${_domain}" "Enable debugging of ${_domain} logic" OFF
+      "${PROJECT_NAME}_DEBUG_MODULE" OFF)
+    mark_as_advanced("${PROJECT_NAME}_DEBUG_MODULE_${_domain}")
+    if (${PROJECT_NAME}_DEBUG_MODULE_${_domain})
+      list(APPEND _vtk_module_log
+        "${_domain}")
+    endif ()
+  endforeach ()
+  unset(_domain)
+  unset(_builtin_domains)
+endif ()

CMakeLists.txt

@@ -210,6 +210,7 @@ if (VTK_FORBID_DOWNLOADS)
 endif ()
 
 include(vtkModule)
+include(vtkModuleDebugging)
 set(vtk_source_directories
   "${CMAKE_CURRENT_SOURCE_DIR}/Accelerators"
   "${CMAKE_CURRENT_SOURCE_DIR}/Charts"