Fix -Wunused warnings on JSON_DIAGNOSTICS (#2976)

* Fix #2975 Define JSON_DIAGNOSTICS to 0 if not defined to fix annoying Wundef warnings. * amalgamated
nlohmann · Aug 26, 2021 · 28a1697 · 28a1697
1 parent 1fd2213
commit 28a1697
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diff --git a/include/nlohmann/detail/macro_scope.hpp b/include/nlohmann/detail/macro_scope.hpp
@@ -301,3 +301,7 @@
 #else
     #define JSON_EXPLICIT explicit
 #endif
+
+#ifndef JSON_DIAGNOSTICS
+    #define JSON_DIAGNOSTICS 0
+#endif
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
@@ -2514,6 +2514,10 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     #define JSON_EXPLICIT explicit
 #endif
 
+#ifndef JSON_DIAGNOSTICS
+    #define JSON_DIAGNOSTICS 0
+#endif
+
 
 namespace nlohmann
 {