--- Lib/ctypes/macholib/dyld.py.orig	2019-10-15 00:34:47.000000000 +1100
+++ Lib/ctypes/macholib/dyld.py	2019-11-08 19:28:42.000000000 +1100
@@ -23,7 +23,7 @@
 
 DEFAULT_LIBRARY_FALLBACK = [
     os.path.expanduser("~/lib"),
-    "/usr/local/lib",
+    "@@PREFIX@@/lib",
     "/lib",
     "/usr/lib",
 ]