Set the default C standard to C99 when targeting the PS4.

Patch by Douglas Yung!

Differential Revision: http://reviews.llvm.org/D19003

llvm-svn: 267772

1 files changed, 8 insertions, 3 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 67d116cee15..0c4d5c71d5c 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1344,6 +1344,7 @@ static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
 }
 
 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
+                                         const llvm::Triple &T,
                                          LangStandard::Kind LangStd) {
   // Set some properties which depend solely on the input kind; it would be nice
   // to move these to the language standard, and have the driver resolve the
@@ -1376,7 +1377,11 @@ void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
     case IK_PreprocessedC:
     case IK_ObjC:
     case IK_PreprocessedObjC:
-      LangStd = LangStandard::lang_gnu11;
+      // The PS4 uses C99 as the default C standard.
+      if (T.isPS4())
+        LangStd = LangStandard::lang_gnu99;
+      else
+        LangStd = LangStandard::lang_gnu11;
       break;
     case IK_CXX:
     case IK_PreprocessedCXX:
@@ -1529,7 +1534,8 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
       LangStd = OpenCLLangStd;
   }
 
-  CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
+  llvm::Triple T(TargetOpts.Triple);
+  CompilerInvocation::setLangDefaults(Opts, IK, T, LangStd);
 
   // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
   // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
@@ -1851,7 +1857,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
   // Provide diagnostic when a given target is not expected to be an OpenMP
   // device or host.
   if (Opts.OpenMP && !Opts.OpenMPIsDevice) {
-    llvm::Triple T(TargetOpts.Triple);
     switch (T.getArch()) {
     default:
       break;