Update to boost 1.72

[features.git] / 3rdparty / boost / boost / config / compiler / mpw.hpp

diff --git a/3rdparty/boost/boost/config/compiler/mpw.hpp b/3rdparty/boost/boost/config/compiler/mpw.hpp
index d9544345ac05a39749d8482eae44289f58fe7c26..05c066efbc58b2ccc8a068ddad47de3889a09a00 100644 (file)
--- a/3rdparty/boost/boost/config/compiler/mpw.hpp
+++ b/3rdparty/boost/boost/config/compiler/mpw.hpp
@@ -116,6 +116,9 @@
 #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
 
 //
 // versions check:
@@ -127,7 +130,7 @@
 // last known and checked version is 0x890:
 #if (MPW_CPLUS > 0x890)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif