diff options
Diffstat (limited to 'boost/spirit/home/classic/phoenix/closures.hpp')
| -rw-r--r-- | boost/spirit/home/classic/phoenix/closures.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/boost/spirit/home/classic/phoenix/closures.hpp b/boost/spirit/home/classic/phoenix/closures.hpp index 6493e387a3..f833b4ef59 100644 --- a/boost/spirit/home/classic/phoenix/closures.hpp +++ b/boost/spirit/home/classic/phoenix/closures.hpp @@ -419,7 +419,11 @@ private: closure_frame_holder_ref(holder_t* holder_ = 0) { #ifdef PHOENIX_THREADSAFE +#ifndef BOOST_THREAD_PROVIDES_ONCE_CXX11 static boost::once_flag been_here = BOOST_ONCE_INIT; +#else + static boost::once_flag been_here; +#endif boost::call_once(been_here, tsp_frame_instance_init); boost::thread_specific_ptr<holder_t*> &tsp_frame = tsp_frame_instance(); if (!tsp_frame.get()) |