diff --git a/Mac/mwerks/mwerks_plugin_config.h b/Mac/mwerks/mwerks_plugin_config.h
new file mode 100644
index 00000000000..519b08b92d7
--- /dev/null
+++ b/Mac/mwerks/mwerks_plugin_config.h
@@ -0,0 +1 @@
+#define HAVE_CONFIG_H