Avoid gcc warning in older versions

lballabio · Jul 23, 2024 · c3d7f45 · c3d7f45
1 parent d45d6c2
commit c3d7f45
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/ql/functional.hpp b/ql/functional.hpp
@@ -52,13 +52,22 @@ namespace QuantLib {
         */
         using std::cref;                           // NOLINT(misc-unused-using-decls)
 
+#if defined(__GNUC__) && (__GNUC__ <= 9)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wattributes"
+#endif
+
         /*! \deprecated Use the std::placeholders namespace instead.
                         Deprecated in version 1.36.
         */
         namespace [[deprecated("Use the std::placeholders namespace instead")]] placeholders {
             using namespace std::placeholders;     // NOLINT(misc-unused-using-decls)
         }
 
+#if defined(__GNUC__) && (__GNUC__ <= 9)
+#pragma GCC diagnostic pop
+#endif
+
         /*! \deprecated To check if a function is empty, use it in a bool context
                         instead of comparing it to QL_NULL_FUNCTION.
                         Deprecated in version 1.32.