From: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Date: Mon, 20 Jan 2025 13:27:14 +0000 (+0100)
Subject: gh-128978: Fix a `NameError` in `sysconfig.expand_makefile_vars` (#128979)
X-Git-Tag: v3.14.0a5~350
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=df66ff14b49f4388625212f6bc86b754cb51d4eb;p=thirdparty%2FPython%2Fcpython.git

gh-128978: Fix a `NameError` in `sysconfig.expand_makefile_vars` (#128979)

This fixes a regression introduced by 4a53a397c311567f05553bc25a28aebaba4f6f65.
---

diff --git a/Lib/sysconfig/__init__.py b/Lib/sysconfig/__init__.py
index 7a4a8f65a5eb..ec9bb705925c 100644
--- a/Lib/sysconfig/__init__.py
+++ b/Lib/sysconfig/__init__.py
@@ -718,6 +718,9 @@ def expand_makefile_vars(s, vars):
     """
     import re
 
+    _findvar1_rx = r"\$\(([A-Za-z][A-Za-z0-9_]*)\)"
+    _findvar2_rx = r"\${([A-Za-z][A-Za-z0-9_]*)}"
+
     # This algorithm does multiple expansion, so if vars['foo'] contains
     # "${bar}", it will expand ${foo} to ${bar}, and then expand
     # ${bar}... and so forth.  This is fine as long as 'vars' comes from
diff --git a/Misc/NEWS.d/next/Library/2025-01-18-11-04-44.gh-issue-128978.hwg7-w.rst b/Misc/NEWS.d/next/Library/2025-01-18-11-04-44.gh-issue-128978.hwg7-w.rst
new file mode 100644
index 000000000000..521496d6a2f8
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-01-18-11-04-44.gh-issue-128978.hwg7-w.rst
@@ -0,0 +1,2 @@
+Fix a :exc:`NameError` in :func:`!sysconfig.expand_makefile_vars`. Patch by
+Bénédikt Tran.