(visibly) complain about missing $DISPLAY

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@13679 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/app/main.cpp

@@ -469,9 +469,11 @@ int main( int argc, char *argv[] )
 #endif
   if ( !myUseGuiFlag )
   {
-    QgsDebugMsg( "QGIS starting in non-interactive mode not supported.\n You "
-                 "are seeing this message most likely because you have no DISPLAY "
-                 "environment variable set." );
+    std::cerr << QObject::tr(
+                "QGIS starting in non-interactive mode not supported.\n"
+                "You are seeing this message most likely because you "
+                "have no DISPLAY environment variable set.\n"
+              ).toUtf8().constData();
     exit( 1 ); //exit for now until a version of qgis is capabable of running non interactive
   }
   QgsApplication myApp( argc, argv, myUseGuiFlag );