Add option -Q for existing after loading

Source/WXDialog/cmWXCommandLineInfo.cxx

@@ -33,6 +33,7 @@ cmCommandLineInfo::cmCommandLineInfo()
   this->m_GeneratorChoiceString = "";
   this->m_LastUnknownParameter = "";
   this->m_ValidArguments = "";
+  this->m_ExitAfterLoad = false;
 } 
 
 ///////////////////////////////////////////////////////////////
@@ -125,6 +126,9 @@ void cmCommandLineInfo::ParseParam(const std::string& parameter,
       case 'G':
         this->m_GeneratorChoiceString = value;
         break;
+      case 'Q':
+        this->m_ExitAfterLoad = true;
+        break;
       case 'H':
         this->m_WhereSource = value;
         break;

Source/WXDialog/cmWXCommandLineInfo.h

@@ -51,6 +51,7 @@ public:
   std::string m_GeneratorChoiceString;
   std::string m_LastUnknownParameter;
   std::string m_ExecutablePath;
+  bool m_ExitAfterLoad;
 
 protected:
   // Parse one argument