Merge topic 'reject-bad-module-request' into master

1c7d9a87 Reject application requests for missing modules

CMake/vtkModuleAPI.cmake

@@ -67,6 +67,18 @@ endmacro()
 #  <namespace>_LIBRARY_DIRS = Library search path (for outside dependencies)
 # Do not name a module as the namespace.
 macro(vtk_module_config ns)
+  set(_${ns}_MISSING ${ARGN})
+  if(_${ns}_MISSING)
+    list(REMOVE_ITEM _${ns}_MISSING ${VTK_MODULES_ENABLED})
+  endif()
+  if(_${ns}_MISSING)
+    set(msg "")
+    foreach(mod ${_${ns}_MISSING})
+      set(msg "${msg}\n  ${mod}")
+    endforeach()
+    message(FATAL_ERROR "Requested modules not available:${msg}")
+  endif()
+
   set(${ns}_DEFINITIONS "")
   set(${ns}_LIBRARIES "")
   set(${ns}_INCLUDE_DIRS "")