improve compatibility with GCC 4.4, patch by Michel Salim (PR3697)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65884 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index ef17d2d342..6973ec51d2 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -497,7 +497,21 @@ public:
   virtual const char *getClobbers() const {
     return "~{dirflag},~{fpsr},~{flags}";
   }
+  
+  virtual int HandleTargetOptions(std::string *StrArray, unsigned NumStrs,
+                                  std::string &ErrorReason);
 };
+
+/// HandleTargetOptions - Handle target-specific options like -msse2 and
+/// friends.  An array of arguments is passed in: if they are all valid, this
+/// should handle them and return -1.  If there is an error, the index of the
+/// invalid argument should be returned along with an optional error string.
+int X86TargetInfo::HandleTargetOptions(std::string *StrArray, unsigned NumStrs,
+                                       std::string &ErrorReason) {
+  if (NumStrs == 0)
+    return -1;
+  return 0;
+}
   
 bool
 X86TargetInfo::validateAsmConstraint(const char *&Name,