diff options
Diffstat (limited to 'lib/Lex/Preprocessor.cpp')
| -rw-r--r-- | lib/Lex/Preprocessor.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp index 984cf1aab8..f4f3a0bfb6 100644 --- a/lib/Lex/Preprocessor.cpp +++ b/lib/Lex/Preprocessor.cpp @@ -572,6 +572,9 @@ static void InitializePredefinedMacros(Preprocessor &PP, DefineBuiltinMacro(Buf, MacroBuf); } + if (!TI.isCharSigned()) + DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__"); + // Build configuration options. FIXME: these should be controlled by // command line options or something. DefineBuiltinMacro(Buf, "__DYNAMIC__=1"); |