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From 5decce3a7834e7cdb8830e2733421029d74da009 Mon Sep 17 00:00:00 2001
From: Mark Brand <mabrand@mabrand.nl>
Date: Sun, 29 Mar 2015 09:13:18 +0200
Subject: [PATCH] build fix for mingw-w64 4.0.1


diff --git a/src/include/plibc.h b/src/include/plibc.h
index ca293fd..8106da1 100644
--- a/src/include/plibc.h
+++ b/src/include/plibc.h
@@ -467,6 +467,7 @@ typedef struct
                             blocking */
 #define LOCK_UN  8       /* remove lock */
 
+#ifndef S_IRGRP
 /* Not supported under MinGW */
 #define S_IRGRP 0
 #define S_IWGRP 0
@@ -479,6 +480,7 @@ typedef struct
 #define S_ISVTX 0
 #define S_IRWXG 0
 #define S_IRWXO 0
+#endif
 
 #define SHUT_WR SD_SEND
 #define SHUT_RD SD_RECEIVE
-- 
2.1.0