import quincy beta 17.1.0

[ceph.git] / ceph / src / seastar / include / seastar / util / concepts.hh

diff --git a/ceph/src/seastar/include/seastar/util/concepts.hh b/ceph/src/seastar/include/seastar/util/concepts.hh
index 26620fe50d7a21eb72e587c73112ef06b4df3972..78401140c40e669c759ab21f46d06ef5893943d8 100644 (file)
--- a/ceph/src/seastar/include/seastar/util/concepts.hh
+++ b/ceph/src/seastar/include/seastar/util/concepts.hh
@@ -20,7 +20,8 @@
  */
 #pragma once
 
-#if defined(__cpp_concepts) && __cpp_concepts >= 201907
+#if defined(__cpp_concepts) && __cpp_concepts >= 201907 && \
+    defined(__cpp_lib_concepts) && __cpp_lib_concepts >= 201907
 
 #define SEASTAR_CONCEPT(x...) x
 #define SEASTAR_NO_CONCEPT(x...)