Fix compat with old macOS

distrho/extra/FileBrowserDialog.cpp

@@ -303,6 +303,10 @@ FileBrowserHandle fileBrowserCreate(const bool isEmbed,
     ScopedPointer<FileBrowserData> handle(new FileBrowserData(options.saving));
 
 #ifdef DISTRHO_OS_MAC
+# if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_8
+    // unsupported
+    return nullptr;
+# else
     NSSavePanel* const nsBasePanel = handle->nsBasePanel;
     DISTRHO_SAFE_ASSERT_RETURN(nsBasePanel != nullptr, nullptr);
 
@@ -349,6 +353,7 @@ FileBrowserHandle fileBrowserCreate(const bool isEmbed,
             }
         }];
     });
+# endif
 #endif
 
 #ifdef DISTRHO_OS_WINDOWS

distrho/src/DistrhoDefines.h

@@ -90,9 +90,9 @@
 #endif
 
 /* Define DISTRHO_DEPRECATED_BY */
-#if defined(__clang__) && defined(DISTRHO_PROPER_CPP11_SUPPORT)
+#if defined(__clang__) && (__clang_major__ * 100 + __clang_minor__) >= 502
 # define DISTRHO_DEPRECATED_BY(other) __attribute__((deprecated("", other)))
-#elif defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 480
+#elif defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 408
 # define DISTRHO_DEPRECATED_BY(other) __attribute__((deprecated("Use " other)))
 #else
 # define DISTRHO_DEPRECATED_BY(other) DISTRHO_DEPRECATED