From cb1c60e3d89afeb976b0e03c0c5c8d2d78d1dd5c Mon Sep 17 00:00:00 2001
From: Olly Betts <olly@survex.com>
Date: Thu, 27 Jan 2022 18:26:47 +1300
Subject: [PATCH] [python] Fix GCC -Wunused-variable with -builtin

Fixes #1697
---
 Source/Modules/python.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index 6ca64e10f..56c568efa 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -2810,7 +2810,7 @@ public:
 
     /* Generate code for argument marshalling */
     if (funpack) {
-      if (num_arguments > 0 && !overname) {
+      if (num_arguments > (builtin_self && !constructor ? 1 : 0) && !overname) {
 	sprintf(source, "PyObject *swig_obj[%d]", num_arguments);
 	Wrapper_add_localv(f, "swig_obj", source, NIL);
       }