From a372bb30b18db061edaaab53c7229d75e623687f Mon Sep 17 00:00:00 2001
From: Antony Lee <anntzer.lee@gmail.com>
Date: Tue, 26 Jul 2022 08:38:29 +0200
Subject: [PATCH] Backport PR #23066: BLD: Define PyErr_SetFromWindowsErr on
 Cygwin.

---
 src/_tkagg.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/_tkagg.cpp b/src/_tkagg.cpp
index a2c99b50486b..d31700c3ee65 100644
--- a/src/_tkagg.cpp
+++ b/src/_tkagg.cpp
@@ -24,6 +24,10 @@
  * also.
  */
 #define WIN32_DLL
+static inline PyObject *PyErr_SetFromWindowsErr(int ierr) {
+    PyErr_SetString(PyExc_OSError, "Call to EnumProcessModules failed");
+    return NULL;
+}
 #endif
 
 #ifdef WIN32_DLL