ENH: Add ARGV and ARGN support to MACRO command. ARGV is the list of all arguments and ARGN is the list of all nonexpected arguments

Source/cmMacroCommand.cxx

@@ -105,6 +105,45 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
           variable = "${ARGC}";
           cmSystemTools::ReplaceString(tmps, variable.c_str(),argcDef.c_str());
           }
+        for (unsigned int j = 1; j < m_Args.size(); ++j)
+          {
+          variable = "${ARGV}";
+          std::vector<std::string>::iterator eit;
+          std::string var = "";
+          for ( eit = expandedArguments.begin();
+            eit != expandedArguments.end();
+            ++ eit )
+            {
+            if ( var.size() > 0 )
+              {
+              var += ";";
+              }
+            var += *eit;
+            }
+          cmSystemTools::ReplaceString(tmps, variable.c_str(),var.c_str());
+          }
+        for (unsigned int j = 1; j < m_Args.size(); ++j)
+          {
+          variable = "${ARGN}";
+          std::vector<std::string>::iterator eit;
+          std::string var = "";
+          std::vector<std::string>::size_type cnt = 0;
+          for ( eit = expandedArguments.begin();
+            eit != expandedArguments.end();
+            ++ eit )
+            {
+            if ( cnt >= m_Args.size()-1 )
+              {
+              if ( var.size() > 0 )
+                {
+                var += ";";
+                }
+              var += *eit;
+              }
+            cnt ++;
+            }
+          cmSystemTools::ReplaceString(tmps, variable.c_str(),var.c_str());
+          }
         for (unsigned int j = 1; j < m_Args.size(); ++j)
           {
           // since this could be slow, first check if there is an ARGV

Source/cmMacroCommand.h

@@ -106,7 +106,9 @@ public:
       "the variable ARGC which will be set to the number of arguments "
       "passed into the function as well as ARGV0 ARGV1 ARGV2 ... which "
       "will have the actual values of the arguments passed in. This "
-      "fascilitates creating macros with optional arguments.";
+      "fascilitates creating macros with optional arguments. Additionally "
+      "ARGV holds the list of all arguments given to the macro and ARGN "
+      "holds the list of argument pass the last expected argument.";
     }
   
   cmTypeMacro(cmMacroCommand, cmCommand);