1 files changed, 6 insertions, 0 deletions
diff --git a/Source/cmExecProgramCommand.h b/Source/cmExecProgramCommand.h
index 339bda8..4836337 100644
--- a/Source/cmExecProgramCommand.h
+++ b/Source/cmExecProgramCommand.h
@@ -88,6 +88,12 @@ public:
       ;
     }
   
+  /** This command is kept for compatibility with older CMake versions. */
+  virtual bool IsDiscouraged()
+    {
+    return true;
+    }
+
   cmTypeMacro(cmExecProgramCommand, cmCommand);
 };