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--- mozilla/media/webrtc/trunk/testing/gtest/include/gtest/internal/gtest-port.h.orig 2012-12-09 16:28:45.641625374 +0100
+++ mozilla/media/webrtc/trunk/testing/gtest/include/gtest/internal/gtest-port.h 2012-12-09 19:09:11.664625374 +0100
@@ -490,10 +490,10 @@
# define GTEST_ENV_HAS_TR1_TUPLE_ 1
# endif
-// C++11 specifies that <tuple> provides std::tuple. Users can't use
-// gtest in C++11 mode until their standard library is at least that
-// compliant.
-# if GTEST_LANG_CXX11
+// C++11 specifies that <tuple> provides std::tuple. Use that if gtest is used
+// in C++11 mode and libstdc++ isn't very old (binaries targeting OS X 10.6
+// can build with clang but need to use gcc4.2's libstdc++).
+# if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325)
# define GTEST_ENV_HAS_STD_TUPLE_ 1
# endif
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