From 801f473a4c8d2a4591b90e04aa3455df0541fb39 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 20 Dec 1990 23:09:14 +0000
Subject: Add <errno.h>.

---
 Modules/mathmodule.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index e811088..e45e64f 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -2,6 +2,11 @@
 
 #include "allobjects.h"
 
+#include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
+
 #include "modsupport.h"
 
 #include <math.h>
-- 
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