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authorEli Friedman <eli.friedman@gmail.com>2009-08-27 22:01:41 +0000
committerEli Friedman <eli.friedman@gmail.com>2009-08-27 22:01:41 +0000
commit80110179f49de99e52e5167568b151c1ab420b96 (patch)
treea723d7f92975d68369646f80fdcf8ecd7cb8166f /clang/lib/Frontend/InitPreprocessor.cpp
parent8a46219c57c19d51804dad28632c625b8ad0a2a6 (diff)
downloadbcm5719-llvm-80110179f49de99e52e5167568b151c1ab420b96.tar.gz
bcm5719-llvm-80110179f49de99e52e5167568b151c1ab420b96.zip
Define _GNU_SOURCE in C++ mode so that clang works with GNU libstdc++.
llvm-svn: 80289
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 466cbafff66..555054772d0 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/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
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