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Do not use std::system_category under MinGW and g++ 4.x

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Peter Dimov
2021-09-21 16:35:40 +03:00
parent 41f7ea49cb
commit d2b8b54356
1 changed files with 2 additions and 2 deletions
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4
include/boost/system/detail/error_category_impl.hpp
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@ -121,9 +121,9 @@ inline error_category::operator std::error_category const & () const
if( id_ == detail::system_category_id )
{
#if defined(__CYGWIN__) || (defined(_MSC_VER) && _MSC_VER == 1800)
#if defined(__CYGWIN__) || defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER == 1800) || (defined(BOOST_GCC) && BOOST_GCC < 50000)
// Under Cygwin, std::system_category() is POSIX
// Under Cygwin (and MinGW!), std::system_category() is POSIX
// Under VS2013, std::system_category() isn't quite right
static const boost::system::detail::std_category system_instance( this, 0x1F4D7 );