--- setup.py.orig	2025-01-24 23:19:47
+++ setup.py	2025-02-03 14:29:29
@@ -257,7 +257,7 @@
         paths += ["usr/X11"]
 
     if MAC:
-        for prefix in ["/sw", "/opt/local", "/usr/local"]:
+        for prefix in ["@PREFIX@", "/usr/local"]:
             if sys.base_prefix.startswith(prefix):
                 paths += [prefix]