Fix build on macOS 10.5

source/includes/lv2_rdf.hpp

@@ -538,7 +538,7 @@ struct LV2_RDF_Parameter {
         }
     }
 
-    LV2_RDF_Parameter& operator=(LV2_RDF_Parameter& other) noexcept
+    void copyAndReplace(LV2_RDF_Parameter& other) noexcept
     {
         URI = other.URI;
         Type = other.Type;
@@ -560,17 +560,9 @@ struct LV2_RDF_Parameter {
         other.Unit.Name = nullptr;
         other.Unit.Render = nullptr;
         other.Unit.Symbol = nullptr;
-        return *this;
     }
 
-private:
-#ifdef CARLA_PROPER_CPP11_SUPPORT
-    LV2_RDF_Parameter(LV2_RDF_Parameter&) = delete;
-    LV2_RDF_Parameter(const LV2_RDF_Parameter&) = delete;
-#else
-    LV2_RDF_Parameter(LV2_RDF_Parameter&);
-    LV2_RDF_Parameter(const LV2_RDF_Parameter&);
-#endif
+    CARLA_DECLARE_NON_COPY_STRUCT(LV2_RDF_Parameter)
 };
 
 // Preset

source/utils/CarlaLv2Utils.hpp

@@ -2574,7 +2574,7 @@ const LV2_RDF_Descriptor* lv2_rdf_new(const LV2_URI uri, const bool loadPresets)
             for (std::map<std::string, LV2_RDF_Parameter>::iterator it = parameters.begin(), end = parameters.end();
                  it != end; ++it)
             {
-                rdfDescriptor->Parameters[numUsed++] = it->second;
+                rdfDescriptor->Parameters[numUsed++].copyAndReplace(it->second);
             }
         }