ENH: added Alexander's target property TYPE

Source/cmGetTargetPropertyCommand.h

@@ -61,6 +61,10 @@ public:
         "the full path to the file on disk that will be created for the "
         "target.  This is very useful for executable targets to get "
         "the path to the executable file for use in a custom command. "
+        "the path to the executable file for use in a custom command.\n"
+        "The read-only property \"TYPE\" returns which type the specified "
+        "target has (EXECUTABLE, STATIC_LIBRARY, SHARED_LIBRARY, "
+        "MODULE_LIBRARY, UTILITY, INSTALL_FILES or INSTALL_PROGRAMS)."
         "This command can get properties for any target so far created. "
         "The targets do not need to be in the current CMakeLists.txt file.";
     }

Source/cmTarget.cxx

@@ -743,6 +743,36 @@ const char *cmTarget::GetProperty(const char* prop)
     this->UpdateLocation();
     }
   
+  // the type property returns what type the target is
+  if (!strcmp(prop,"TYPE"))
+    {
+    switch( this->GetType() )
+      {
+      case cmTarget::STATIC_LIBRARY:
+        return "STATIC_LIBRARY";
+        break;
+      case cmTarget::MODULE_LIBRARY:
+        return "MODULE_LIBRARY";
+        break;
+      case cmTarget::SHARED_LIBRARY:
+        return "SHARED_LIBRARY";
+        break;
+      case cmTarget::EXECUTABLE:
+        return "EXECUTABLE";
+        break;
+      case cmTarget::UTILITY:
+        return "UTILITY";
+        break;
+      case cmTarget::INSTALL_FILES:
+        return "INSTALL_FILES";
+        break;
+      case cmTarget::INSTALL_PROGRAMS:
+        return "INSTALL_PROGRAMS";
+        break;
+      }
+    return 0;
+    }
+      
   std::map<cmStdString,cmStdString>::const_iterator i = 
     m_Properties.find(prop);
   if (i != m_Properties.end())