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-rw-r--r--ACE/ace/config-win32-msvc-141.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/ACE/ace/config-win32-msvc-141.h b/ACE/ace/config-win32-msvc-141.h
index 284071e62ed..60de5347739 100644
--- a/ACE/ace/config-win32-msvc-141.h
+++ b/ACE/ace/config-win32-msvc-141.h
@@ -138,5 +138,9 @@
# define ACE_HAS_CPP17
#endif /* _MSVC_LANG >= 201703L */
+#if _MSVC_LANG >= 202002L
+# define ACE_HAS_CPP20
+#endif /* _MSVC_LANG >= 202002L */
+
#include /**/ "ace/post.h"
#endif /* ACE_CONFIG_WIN32_MSVC_141_H */