Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

1 files changed, 38 insertions, 1 deletions

diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h
index 55be4ee..f0012bd 100644
--- a/include/clang/Driver/ToolChain.h
+++ b/include/clang/Driver/ToolChain.h
@@ -10,10 +10,11 @@
 #ifndef CLANG_DRIVER_TOOLCHAIN_H_
 #define CLANG_DRIVER_TOOLCHAIN_H_
 
+#include "clang/Driver/Util.h"
 #include "clang/Driver/Types.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Triple.h"
-#include "llvm/System/Path.h"
+#include "llvm/Support/Path.h"
 #include <string>
 
 namespace clang {
@@ -32,6 +33,11 @@ class ToolChain {
 public:
   typedef llvm::SmallVector<std::string, 4> path_list;
 
+  enum CXXStdlibType {
+    CST_Libcxx,
+    CST_Libstdcxx
+  };
+
 private:
   const HostInfo &Host;
   const llvm::Triple Triple;
@@ -92,6 +98,10 @@ public:
 
   // Platform defaults information
 
+  /// HasNativeLTOLinker - Check whether the linker and related tools have
+  /// native LLVM support.
+  virtual bool HasNativeLLVMSupport() const;
+
   /// LookupTypeForExtension - Return the default language type to use for the
   /// given extension.
   virtual types::ID LookupTypeForExtension(const char *Ext) const;
@@ -103,6 +113,14 @@ public:
   /// by default.
   virtual bool IsIntegratedAssemblerDefault() const { return false; }
 
+  /// IsStrictAliasingDefault - Does this tool chain use -fstrict-aliasing by
+  /// default.
+  virtual bool IsStrictAliasingDefault() const { return true; }
+
+  /// IsObjCDefaultSynthPropertiesDefault - Does this tool chain enable
+  /// -fobjc-default-synthesize-properties by default.
+  virtual bool IsObjCDefaultSynthPropertiesDefault() const { return false; }
+
   /// IsObjCNonFragileABIDefault - Does this tool chain set
   /// -fobjc-nonfragile-abi by default.
   virtual bool IsObjCNonFragileABIDefault() const { return false; }
@@ -153,6 +171,25 @@ public:
   /// sets the deployment target) determines the version in the triple passed to
   /// Clang.
   virtual std::string ComputeEffectiveClangTriple(const ArgList &Args) const;
+
+  // GetCXXStdlibType - Determine the C++ standard library type to use with the
+  // given compilation arguments.
+  virtual CXXStdlibType GetCXXStdlibType(const ArgList &Args) const;
+
+  /// AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set
+  /// the include paths to use for the given C++ standard library type.
+  virtual void AddClangCXXStdlibIncludeArgs(const ArgList &Args,
+                                            ArgStringList &CmdArgs) const;
+
+  /// AddCXXStdlibLibArgs - Add the system specific linker arguments to use
+  /// for the given C++ standard library type.
+  virtual void AddCXXStdlibLibArgs(const ArgList &Args,
+                                   ArgStringList &CmdArgs) const;
+
+  /// AddCCKextLibArgs - Add the system specific linker arguments to use
+  /// for kernel extensions (Darwin-specific).
+  virtual void AddCCKextLibArgs(const ArgList &Args,
+                                ArgStringList &CmdArgs) const;
 };
 
 } // end namespace driver