ENH: Converted cmMakefile DefineFlags added by ADD_DEFINITIONS command into a COMPILE_DEFINITIONS directory property.

Source/cmRemoveDefinitionsCommand.h

@@ -53,8 +53,7 @@ public:
    */
   virtual const char* GetTerseDocumentation() 
     {
-    return 
-      "Removes -D define flags to the command line of C and C++ compilers.";
+    return "Removes -D define flags added by add_definitions.";
     }
   
   /**
@@ -64,10 +63,8 @@ public:
     {
     return
       "  remove_definitions(-DFOO -DBAR ...)\n"
-      "Removes flags from command line of C and C++ compilers.  "
-      "This command can be used to remove any flag from a compile line, "
-      "but the -D flag is accepted by most C/C++ compilers.  "
-      "Other flags may not be as portable.";
+      "Removes flags (added by add_definitions) from the compiler command "
+      "line for sources in the current directory and below.";
     }
   
   cmTypeMacro(cmRemoveDefinitionsCommand, cmCommand);