Moved the unrecognized options check to after loaded

examples/osgviewer/osgviewer.cpp

@@ -42,9 +42,6 @@ int main( int argc, char **argv )
         return 1;
     }
 
-    // any option left unread are converted into errors to write out later.
-    arguments.reportRemainingOptionsAsUnrecognized();
-
     // report any errors if they have occured when parsing the program aguments.
     if (arguments.errors())
     {
@@ -71,6 +68,15 @@ int main( int argc, char **argv )
         return 1;
     }
 
+    // any option left unread are converted into errors to write out later.
+    arguments.reportRemainingOptionsAsUnrecognized();
+
+    // report any errors if they have occured when parsing the program aguments.
+    if (arguments.errors())
+    {
+        arguments.writeErrorMessages(std::cout);
+    }
+
     osg::Timer_t end_tick = timer.tick();
 
     std::cout << "Time to load = "<<timer.delta_s(start_tick,end_tick)<<std::endl;