Patch Enrico's changes from r150558 on 2012-02-14 to build even if Python
is not available (LLDB_DISABLE_PYTHON is defined).

Change build-swig-Python.sh to emit an empty LLDBPythonWrap.cpp file if 
this build is LLDB_DISABLE_PYTHON.

Change the "Copy to Xcode.app" shell script phase in the lldb.xcodeproj
to only do this copying for Mac native builds.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@151035 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/API/SBFrame.cpp b/source/API/SBFrame.cpp
index eaf4f8a..8931e70 100644
--- a/source/API/SBFrame.cpp
+++ b/source/API/SBFrame.cpp
@@ -979,7 +979,8 @@
         expr_result.SetSP(expr_value_sp);
         Host::SetCrashDescription (NULL);
     }
-    
+
+#ifndef LLDB_DISABLE_PYTHON
     if (expr_log)
         expr_log->Printf("** [SBFrame::EvaluateExpression] Expression result is %s, summary %s **", 
                          expr_result.GetValue(), 
@@ -991,6 +992,7 @@
                      expr, 
                      expr_value_sp.get(),
                      exe_results);
+#endif
 
     return expr_result;
 }