Index: lldb/trunk/include/lldb/Core/ArchSpec.h
===================================================================
--- lldb/trunk/include/lldb/Core/ArchSpec.h
+++ lldb/trunk/include/lldb/Core/ArchSpec.h
@@ -307,7 +307,7 @@
   /// @return A string representing target CPU for the current
   ///         architecture.
   //------------------------------------------------------------------
-  std::string GetClangTargetCPU();
+  std::string GetClangTargetCPU() const;
 
   //------------------------------------------------------------------
   /// Return a string representing target application ABI.
Index: lldb/trunk/source/Core/ArchSpec.cpp
===================================================================
--- lldb/trunk/source/Core/ArchSpec.cpp
+++ lldb/trunk/source/Core/ArchSpec.cpp
@@ -657,7 +657,7 @@
   SetFlags(flag);
 }
 
-std::string ArchSpec::GetClangTargetCPU() {
+std::string ArchSpec::GetClangTargetCPU() const {
   std::string cpu;
   const llvm::Triple::ArchType machine = GetMachine();