From 9e818012346fbee36ba481866b3d0005ac6816ea Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Wed, 29 Sep 1999 20:57:39 +0000
Subject: Compilation fix for AIX.

svn path=/trunk/; revision=2625
---
 mx.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'mx.h')

diff --git a/mx.h b/mx.h
index 0a28f2b0..cc0e28d5 100644
--- a/mx.h
+++ b/mx.h
@@ -9,6 +9,9 @@ struct mxentry
 extern struct mxentry * getmxrecords(const char *);
 
 /* some versions of FreeBSD should declare this but don't */
+/* But only declare it if it isn't already */
+#ifndef h_errno
 extern int h_errno;
+#endif /* ndef h_errno */
 
 /* mx.h ends here */
-- 
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