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@ -245,33 +245,6 @@ them to either 1 or 0 to enable or disable a certain feature.
We list the most frequently used macros below. For a complete list, see file
[include/gtest/internal/gtest-port.h](https://github.com/google/googletest/blob/master/include/gtest/internal/gtest-port.h).
### Choosing a TR1 Tuple Library
Some Google Test features require the C++ Technical Report 1 (TR1) tuple
library, which is not yet available with all compilers. The good news is that
Google Test implements a subset of TR1 tuple that's enough for its own need, and
will automatically use this when the compiler doesn't provide TR1 tuple.
Usually you don't need to care about which tuple library Google Test uses.
However, if your project already uses TR1 tuple, you need to tell Google Test to
use the same TR1 tuple library the rest of your project uses, or the two tuple
implementations will clash. To do that, add
-DGTEST_USE_OWN_TR1_TUPLE=0
to the compiler flags while compiling Google Test and your tests. If you want to
force Google Test to use its own tuple library, just add
-DGTEST_USE_OWN_TR1_TUPLE=1
to the compiler flags instead.
If you don't want Google Test to use tuple at all, add
-DGTEST_HAS_TR1_TUPLE=0
and all features using tuple will be disabled.
### Multi-threaded Tests
Google Test is thread-safe where the pthread library is available. After