From 26ccd19269c040ad5960a7567aa5fc88f142c709 Mon Sep 17 00:00:00 2001
From: Ken Brown <kbrown@cornell.edu>
Date: Mon, 24 Oct 2016 12:41:07 -0400
Subject: [PATCH] * configure.ac: Stop using mmap for buffers on Cygwin.

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 3f06eff0033..998ff529a93 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2231,7 +2231,7 @@ fi
 
 use_mmap_for_buffers=no
 case "$opsys" in
-  cygwin|mingw32) use_mmap_for_buffers=yes ;;
+  mingw32) use_mmap_for_buffers=yes ;;
 esac
 
 AC_FUNC_MMAP
-- 
2.39.5