--- setup.py	2026-04-21 06:40:26.000000000 +0800
+++ setup.py	2026-07-04 11:51:27.000000000 +0800
@@ -138,6 +138,7 @@
 
     if platform.system() == "Darwin" and not emscripten:
         define_macros.append(("HB_HAS_CORETEXT", "1"))
+        define_macros.append(("__ASSERTMACROS__", "1"))
         extra_link_args.extend(["-framework", "ApplicationServices"])
 
 extension = Extension(