1 files changed, 37 insertions, 13 deletions

diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 4bdd00fc2583..d1f15565e6c6 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -42,6 +42,11 @@ public:
 
 /// Darwin - The base Darwin tool chain.
 class LLVM_LIBRARY_VISIBILITY Darwin : public ToolChain {
+public:
+  /// The host version.
+  unsigned DarwinVersion[3];
+
+private:
   mutable llvm::DenseMap<unsigned, Tool*> Tools;
 
   /// Whether the information on the target has been initialized.
@@ -61,11 +66,15 @@ class LLVM_LIBRARY_VISIBILITY Darwin : public ToolChain {
   /// initialized.
   std::string MacosxVersionMin;
 
+private:
+  void AddDeploymentTarget(DerivedArgList &Args) const;
+
 public:
-  Darwin(const HostInfo &Host, const llvm::Triple& Triple,
-         const unsigned (&DarwinVersion)[3]);
+  Darwin(const HostInfo &Host, const llvm::Triple& Triple);
   ~Darwin();
 
+  std::string ComputeEffectiveClangTriple(const ArgList &Args) const;
+
   /// @name Darwin Specific Toolchain API
   /// {
 
@@ -144,17 +153,17 @@ public:
   /// @name ToolChain Implementation
   /// {
 
+  virtual types::ID LookupTypeForExtension(const char *Ext) const;
+
   virtual DerivedArgList *TranslateArgs(const DerivedArgList &Args,
                                         const char *BoundArch) const;
 
   virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
 
   virtual bool IsBlocksDefault() const {
-    // Blocks default to on for OS X 10.6 and iPhoneOS 3.0 and beyond.
-    if (isTargetIPhoneOS())
-      return !isIPhoneOSVersionLT(3);
-    else
-      return !isMacosxVersionLT(10, 6);
+    // Always allow blocks on Darwin; users interested in versioning are
+    // expected to use /usr/include/Blocks.h.
+    return true;
   }
   virtual bool IsIntegratedAssemblerDefault() const {
 #ifdef DISABLE_DEFAULT_INTEGRATED_ASSEMBLER
@@ -201,8 +210,7 @@ public:
 /// DarwinClang - The Darwin toolchain used by Clang.
 class LLVM_LIBRARY_VISIBILITY DarwinClang : public Darwin {
 public:
-  DarwinClang(const HostInfo &Host, const llvm::Triple& Triple,
-              const unsigned (&DarwinVersion)[3]);
+  DarwinClang(const HostInfo &Host, const llvm::Triple& Triple);
 
   /// @name Darwin ToolChain Implementation
   /// {
@@ -225,9 +233,7 @@ class LLVM_LIBRARY_VISIBILITY DarwinGCC : public Darwin {
   std::string ToolChainDir;
 
 public:
-  DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple,
-            const unsigned (&DarwinVersion)[3],
-            const unsigned (&GCCVersion)[3]);
+  DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple);
 
   /// @name Darwin ToolChain Implementation
   /// {
@@ -247,6 +253,8 @@ public:
   Darwin_Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
     : Generic_GCC(Host, Triple) {}
 
+  std::string ComputeEffectiveClangTriple(const ArgList &Args) const;
+
   virtual const char *GetDefaultRelocationModel() const { return "pic"; }
 };
 
@@ -266,7 +274,7 @@ public:
 
 class LLVM_LIBRARY_VISIBILITY FreeBSD : public Generic_GCC {
 public:
-  FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32);
+  FreeBSD(const HostInfo &Host, const llvm::Triple& Triple);
 
   virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
 };
@@ -288,6 +296,8 @@ public:
 class LLVM_LIBRARY_VISIBILITY Linux : public Generic_GCC {
 public:
   Linux(const HostInfo &Host, const llvm::Triple& Triple);
+
+  virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
 };
 
 
@@ -309,6 +319,20 @@ private:
 
 };
 
+class LLVM_LIBRARY_VISIBILITY Windows : public ToolChain {
+  mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+public:
+  Windows(const HostInfo &Host, const llvm::Triple& Triple);
+
+  virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+
+  virtual bool IsIntegratedAssemblerDefault() const;
+  virtual bool IsUnwindTablesDefault() const;
+  virtual const char *GetDefaultRelocationModel() const;
+  virtual const char *GetForcedPicModel() const;
+};
+
 } // end namespace toolchains
 } // end namespace driver
 } // end namespace clang