diff options
Diffstat (limited to 'lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | lib/Frontend/InitPreprocessor.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp index 3979731ff6..e8ae8e3120 100644 --- a/lib/Frontend/InitPreprocessor.cpp +++ b/lib/Frontend/InitPreprocessor.cpp @@ -445,6 +445,17 @@ static void InitializePredefinedMacros(const TargetInfo &TI, // Initialize target-specific preprocessor defines. + // __BYTE_ORDER__ was added in GCC 4.6. + // We don't support the PDP-11 as a target, but include + // the define so it can still be compared against. + Builder.defineMacro("__ORDER_LITTLE_ENDIAN__", "1234"); + Builder.defineMacro("__ORDER_BIG_ENDIAN__", "4321"); + Builder.defineMacro("__ORDER_PDP_ENDIAN__", "3412"); + if (TI.isBigEndian()) + Builder.defineMacro("__BYTE_ORDER__", "__ORDER_BIG_ENDIAN__"); + else + Builder.defineMacro("__BYTE_ORDER__", "__ORDER_LITTLE_ENDIAN__"); + // Define type sizing macros based on the target properties. assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far"); Builder.defineMacro("__CHAR_BIT__", "8"); |