From 02f43b5ffb01aedb42bc5330c125e83e451ebcfc Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 18 Jan 2022 00:39:46 +0100
Subject: networkfilemanager.cpp: fix build issue with Cygwin

---
 src/networkfilemanager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/networkfilemanager.cpp b/src/networkfilemanager.cpp
index 3eecc5e2..727c7308 100644
--- a/src/networkfilemanager.cpp
+++ b/src/networkfilemanager.cpp
@@ -30,6 +30,11 @@
 #endif
 #define LRU11_DO_NOT_DEFINE_OUT_OF_CLASS_METHODS
 
+#if !defined(_WIN32) && !defined(_GNU_SOURCE)
+// For usleep() on Cygwin
+#define _GNU_SOURCE
+#endif
+
 #include <stdlib.h>
 
 #include <algorithm>
-- 
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