diff --git a/SWIG/Mac/macswig.h b/SWIG/Mac/macswig.h
new file mode 100644
index 000000000..01af7c648
--- /dev/null
+++ b/SWIG/Mac/macswig.h
@@ -0,0 +1,7 @@
+/* This file tells SWIG we are compiling the Mac version */
+
+#define MACSWIG
+#define NEED_ALLOC
+#define SWIG_LIB   ":Lib"
+#define SWIG_CC    "Metrowerks CodeWarrior"
+#define SWIG_LANG  TCL8