Merge topic 'wmake-null'

511a03f933 Watcom WMake: Use wmake internal %null command for empty command list

Acked-by: Kitware Robot <[email protected]>
Merge-request: !4670

Source/cmGlobalWatcomWMakeGenerator.cxx

@@ -19,7 +19,7 @@ cmGlobalWatcomWMakeGenerator::cmGlobalWatcomWMakeGenerator(cmake* cm)
 #endif
   this->ToolSupportsColor = true;
   this->NeedSymbolicMark = true;
-  this->EmptyRuleHackCommand = "@cd .";
+  this->EmptyRuleHackCommand = "@%null";
 #ifdef _WIN32
   cm->GetState()->SetWindowsShell(true);
 #endif