Index: trunk/Mars/macros/rootlogon.C
===================================================================
--- trunk/Mars/macros/rootlogon.C	(revision 13253)
+++ trunk/Mars/macros/rootlogon.C	(revision 14092)
@@ -181,6 +181,6 @@
 
     TString s = "cd $BuildDir ; ";
-    s += "g++ -c" + options + "-Iinclude -D_REENTRANT $IncludePath $SourceFiles ; ";
-    s += "g++ $ObjectFiles -shared -Wl,-soname,$LibName.so -O -o $SharedLib";
+    s += "g++ -std=c++0x -c" + options + "-Iinclude -D_REENTRANT $IncludePath $SourceFiles ; ";
+    s += "g++ -std=c++0x $ObjectFiles -shared -Wl,-soname,$LibName.so -O -o $SharedLib";
     gSystem->SetMakeSharedLib(s);