From 89da6bdfb57155cf26060e8a613a030b7178012d Mon Sep 17 00:00:00 2001
From: Gregory Szorc <gregory.szorc@gmail.com>
Date: Sat, 3 Apr 2021 09:57:19 -0700
Subject: [PATCH] Remove unread use_system_libffi assignment

This attribute is no longer read after
41761933c1c30bb6003b65eef1ba23a83db4eae4 and can be safely removed.
---
 setup.py | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/setup.py b/setup.py
index edf3cb4f230b57..bfbac2efd9b103 100644
--- a/setup.py
+++ b/setup.py
@@ -2178,11 +2178,6 @@ def configure_ctypes(self, ext):
     def detect_ctypes(self):
         # Thomas Heller's _ctypes module
 
-        if (not sysconfig.get_config_var("LIBFFI_INCLUDEDIR") and MACOS):
-            self.use_system_libffi = True
-        else:
-            self.use_system_libffi = '--with-system-ffi' in sysconfig.get_config_var("CONFIG_ARGS")
-
         include_dirs = []
         extra_compile_args = ['-DPy_BUILD_CORE_MODULE']
         extra_link_args = []
@@ -2270,7 +2265,6 @@ def detect_ctypes(self):
 
             ext.include_dirs.append(ffi_inc)
             ext.libraries.append(ffi_lib)
-            self.use_system_libffi = True
 
         if sysconfig.get_config_var('HAVE_LIBDL'):
             # for dlopen, see bpo-32647