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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-08-27 22:01:41 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-08-27 22:01:41 +0000 |
| commit | 666479b24b1ab5ca0239779a502899b70beee700 (patch) | |
| tree | 740edb6b15a4ed3795eba23f918d8970fec96df5 /lib/Frontend/InitPreprocessor.cpp | |
| parent | 51ac7d494f5ed15718edde97d190dbb52ea664be (diff) | |
Define _GNU_SOURCE in C++ mode so that clang works with GNU libstdc++.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80289 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | lib/Frontend/InitPreprocessor.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp index 466cbafff6..555054772d 100644 --- a/lib/Frontend/InitPreprocessor.cpp +++ b/lib/Frontend/InitPreprocessor.cpp @@ -313,6 +313,8 @@ static void InitializePredefinedMacros(const TargetInfo &TI, // C++ translation unit. DefineBuiltinMacro(Buf, "__cplusplus=199711L"); DefineBuiltinMacro(Buf, "__private_extern__=extern"); + // Ugly hack to work with GNU libstdc++. + DefineBuiltinMacro(Buf, "_GNU_SOURCE=1"); } // Filter out some microsoft extensions when trying to parse in ms-compat |