diff --git a/stepmania/src/archutils/Darwin/arch_setup.h b/stepmania/src/archutils/Darwin/arch_setup.h
new file mode 100644
index 0000000000..f9c8ca0f00
--- /dev/null
+++ b/stepmania/src/archutils/Darwin/arch_setup.h
@@ -0,0 +1,9 @@
+#define DARWIN 1
+#define HAVE_DECL_SIGPWR 0
+#define NEED_POWF
+#define NEED_SQRTF
+#define NEED_SINF
+#define NEED_COSF
+#define NEED_TANF
+#define NEED_ACOSF
+#define VERSION "3.001"