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Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index a02c266..1741ba5 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -604,6 +604,12 @@ static void InitializePredefinedMacros(const TargetInfo &TI, // Support for #pragma redefine_extname (Sun compatibility) Builder.defineMacro("__PRAGMA_REDEFINE_EXTNAME", "1"); + // As sad as it is, enough software depends on the __VERSION__ for version + // checks that it is necessary to report 4.2.1 (the base GCC version we claim + // compatibility with) first. + Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " + + Twine(getClangFullCPPVersion()) + "\""); + // Initialize language-specific preprocessor defines. // Standard conforming mode? |