Patch to get gtest-1.6.0 building against Mac OS X / libc++.

gistfile1.txt

diff -ur gtest-1.6.0-PRISTINE/fused-src/gtest/gtest.h gtest-1.6.0/fused-src/gtest/gtest.h
--- gtest-1.6.0-PRISTINE/fused-src/gtest/gtest.h        2011-04-15 14:54:57.000000000 -0500
+++ gtest-1.6.0/fused-src/gtest/gtest.h 2013-10-18 13:50:34.000000000 -0500
@@ -544,7 +544,7 @@
 // defining __GNUC__ and friends, but cannot compile GCC's tuple
 // implementation.  MSVC 2008 (9.0) provides TR1 tuple in a 323 MB
 // Feature Pack download, which we cannot assume the user has.
-# if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000)) \
+# if (defined(__GNUC__) && !defined(__CUDACC__) && !defined(_LIBCPP_VERSION) && (GTEST_GCC_VER_ >= 40000)) \
     || _MSC_VER >= 1600
 #  define GTEST_USE_OWN_TR1_TUPLE 0
 # else
diff -ur gtest-1.6.0-PRISTINE/include/gtest/internal/gtest-port.h gtest-1.6.0/include/gtest/internal/gtest-port.h
--- gtest-1.6.0-PRISTINE/include/gtest/internal/gtest-port.h    2011-04-15 14:49:10.000000000 -0500
+++ gtest-1.6.0/include/gtest/internal/gtest-port.h     2013-10-18 13:50:29.000000000 -0500
@@ -449,7 +449,7 @@
 // defining __GNUC__ and friends, but cannot compile GCC's tuple
 // implementation.  MSVC 2008 (9.0) provides TR1 tuple in a 323 MB
 // Feature Pack download, which we cannot assume the user has.
-# if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000)) \
+# if (defined(__GNUC__) && !defined(__CUDACC__) && !defined(_LIBCPP_VERSION) && (GTEST_GCC_VER_ >= 40000)) \
     || _MSC_VER >= 1600
 #  define GTEST_USE_OWN_TR1_TUPLE 0
 # else