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Detect non-default threading support.

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[SVN r30790]
This commit is contained in:
John Maddock
2005-09-03 11:04:21 +00:00
parent 556482d08c
commit 2b4ec466d0
1 changed files with 5 additions and 2 deletions
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7
include/boost/config/stdlib/libstdcpp3.hpp
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@ -30,7 +30,8 @@
#endif
#ifdef __GLIBCXX__ // gcc 3.4 and greater:
# ifdef _GLIBCXX_HAVE_GTHR_DEFAULT
# if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \
|| defined(_GLIBCXX__PTHREADS)
//
// If the std lib has thread support turned on, then turn it on in Boost
// as well. We do this because some gcc-3.4 std lib headers define _REENTANT
@ -40,7 +41,9 @@
# else
# define BOOST_DISABLE_THREADS
# endif
#elif defined(__GLIBCPP__) && !defined(_GLIBCPP_HAVE_GTHR_DEFAULT)
#elif defined(__GLIBCPP__) \
&& !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \
&& !defined(_GLIBCPP__PTHREADS)
// disable thread support if the std lib was built single threaded:
# define BOOST_DISABLE_THREADS
#endif