From 72c11fa91ab99e23252000797fcfd0d4aa0de1cf Mon Sep 17 00:00:00 2001
From: Chris Johns <chrisj@rtems.org>
Date: Wed, 22 Nov 2023 14:20:23 +1100
Subject: waf: Fix Python 3.12 escape sequences

Updates #4968
---
 wscript | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wscript b/wscript
index 69732d4e17..dd7fda7225 100755
--- a/wscript
+++ b/wscript
@@ -125,7 +125,7 @@ class Template(string.Template):
     idpattern = "[_A-Za-z][_A-Za-z0-9:#]*"
 
 
-_VAR_PATTERN = re.compile("\$\{?(" + Template.idpattern + ")\}?$")
+_VAR_PATTERN = re.compile("\\$\\{?(" + Template.idpattern + ")\\}?$")
 
 
 def _is_enabled_op_and(enabled, enabled_by):
-- 
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