diff -urN src.orig/RooAbsReal.cxx src.new/RooAbsReal.cxx
--- src.orig/RooAbsReal.cxx	2006-11-26 16:09:52.000000000 +0900
+++ src.new/RooAbsReal.cxx	2006-11-26 16:11:40.000000000 +0900
@@ -1769,7 +1769,7 @@
       setAttribute("UNSIGNED_INTEGER_TREE_BRANCH",kTRUE) ;
     }    
     
-    t.SetBranchAddress(cleanName,&_value) ;
+    t.SetBranchAddress(cleanName,(void*)&_value) ;
     if (branch->GetCompressionLevel()<0) {
       cout << "RooAbsReal::attachToTree(" << GetName() << ") Fixing compression level of branch " << cleanName << endl ;
       branch->SetCompressionLevel(1) ;
diff -urN src.orig/RooRealVar.cxx src.new/RooRealVar.cxx
--- src.orig/RooRealVar.cxx	2006-11-26 16:09:52.000000000 +0900
+++ src.new/RooRealVar.cxx	2006-11-26 16:12:48.000000000 +0900
@@ -722,7 +722,7 @@
     errName.Append("_err") ;
     TBranch* branch = t.GetBranch(errName) ;
     if (branch) {     
-      t.SetBranchAddress(errName,&_error) ;
+      t.SetBranchAddress(errName,(void*)&_error) ;
     } else {
       TString format(errName);
       format.Append("/D");
@@ -736,7 +736,7 @@
     loName.Append("_aerr_lo") ;
     TBranch* lobranch = t.GetBranch(loName) ;
     if (lobranch) {     
-      t.SetBranchAddress(loName,&_asymErrLo) ;
+      t.SetBranchAddress(loName,(void*)&_asymErrLo) ;
     } else {
       TString format(loName);
       format.Append("/D");
@@ -747,7 +747,7 @@
     hiName.Append("_aerr_hi") ;
     TBranch* hibranch = t.GetBranch(hiName) ;
     if (hibranch) {     
-      t.SetBranchAddress(hiName,&_asymErrHi) ;
+      t.SetBranchAddress(hiName,(void*)&_asymErrHi) ;
     } else {
       TString format(hiName);
       format.Append("/D");