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-rw-r--r--boost/chrono/detail/system.hpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/boost/chrono/detail/system.hpp b/boost/chrono/detail/system.hpp
index f8a40f12a8..0dcffe8521 100644
--- a/boost/chrono/detail/system.hpp
+++ b/boost/chrono/detail/system.hpp
@@ -6,6 +6,8 @@
#ifndef BOOST_CHRONO_DETAIL_SYSTEM_HPP
#define BOOST_CHRONO_DETAIL_SYSTEM_HPP
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+
#include <boost/version.hpp>
#include <boost/system/error_code.hpp>
@@ -15,7 +17,7 @@
#define BOOST_CHRONO_SYSTEM_CATEGORY boost::system::system_category()
#endif
-#ifdef BOOST_SYSTEM_NO_DEPRECATED
+#ifdef BOOST_SYSTEM_NO_DEPRECATED
#define BOOST_CHRONO_THROWS boost::throws()
#define BOOST_CHRONO_IS_THROWS(EC) (&EC==&boost::throws())
#else
@@ -24,3 +26,4 @@
#endif
#endif
+#endif