From 90ce8488481521e5ddd1fe5ed942e1df4acd6365 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 26 May 1998 18:38:07 +0000
Subject: On SGI, we need to define _SGI_MP_SOURCE before including errno.h
 when we are threading, otherwise accessing errno doesn't work right.

---
 Include/Python.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Include/Python.h b/Include/Python.h
index 9a18e2d..f16b47b 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -46,6 +46,10 @@ PERFORMANCE OF THIS SOFTWARE.
 #define UsingSharedLibs
 #endif
 
+#if defined(__sgi) && defined(WITH_THREAD) && !defined(_SGI_MP_SOURCE)
+#define _SGI_MP_SOURCE
+#endif
+
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
-- 
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