diff options
| author |  Chris Kennelly <ckennelly@google.com> | 2016-12-14 14:03:55 -0800 |
|---|---|---|
| committer | Chris Kennelly <ckennelly@google.com> | 2016-12-14 14:03:55 -0800 |
| commit | a902e2588d3917c867632e120906019cfca409fa (patch) | |
| tree | 81748d3fab2948bbae670ad33aa59480eb25c198 /src/google/protobuf/stubs/port.h | |
| parent | 83d681ee2caef1feb009656417830f846382d8ba (diff) | |
Define LANG_CXX11 for port.h and use this to guard C++11 features.
Diffstat (limited to 'src/google/protobuf/stubs/port.h')
| -rw-r--r-- | src/google/protobuf/stubs/port.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h index d5ef166e..72adba6d 100644 --- a/src/google/protobuf/stubs/port.h +++ b/src/google/protobuf/stubs/port.h @@ -97,6 +97,15 @@ // =================================================================== // from google3/base/port.h + +#if (defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L || \ + (defined(_MSC_VER) && _MSC_VER >= 1900)) +// Define this to 1 if the code is compiled in C++11 mode; leave it +// undefined otherwise. Do NOT define it to 0 -- that causes +// '#ifdef LANG_CXX11' to behave differently from '#if LANG_CXX11'. +#define LANG_CXX11 1 +#endif + namespace google { namespace protobuf { |