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Predefine __cplusplus to the right value (199711L), except when in GNU mode.

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llvm-svn: 78283
This commit is contained in:
Douglas Gregor
2009-08-06 04:09:28 +00:00
parent bdaaacad9a
commit 3f4d51bb04
1 changed files with 7 additions and 1 deletions
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8
clang/lib/Frontend/InitPreprocessor.cpp
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@@ -305,7 +305,13 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
DefineBuiltinMacro(Buf, "__GNUG__=4");
DefineBuiltinMacro(Buf, "__GXX_WEAK__=1");
DefineBuiltinMacro(Buf, "__cplusplus=1");
if (LangOpts.GNUMode)
DefineBuiltinMacro(Buf, "__cplusplus=1");
else
// C++ [cpp.predefined]p1:
// The name_ _cplusplusis defined to the value199711Lwhen compiling a
// C++ translation unit.
DefineBuiltinMacro(Buf, "__cplusplus=199711L");
DefineBuiltinMacro(Buf, "__private_extern__=extern");
}