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[ceph.git] / ceph / src / boost / boost / config / compiler / gcc_xml.hpp

diff --git a/ceph/src/boost/boost/config/compiler/gcc_xml.hpp b/ceph/src/boost/boost/config/compiler/gcc_xml.hpp
index 2b47585ab8691f0f6c8dcdc538e9fe57dd9e058e..bdba4ed092bfc6a07cbde3205ad39d27350ee0ba 100644 (file)
--- a/ceph/src/boost/boost/config/compiler/gcc_xml.hpp
+++ b/ceph/src/boost/boost/config/compiler/gcc_xml.hpp
@@ -102,6 +102,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
 
 #define BOOST_COMPILER "GCC-XML C++ version " __GCCXML__