From b0d97aeea5fae4e4bb2e9199bf8e267f7b2c3f8f Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 26 May 2022 11:07:35 -0400
Subject: zlib: Use unistd.h on all non-Windows platforms

Replace the `HAVE_UNISTD_H` change from commit 3edcd70754 (ENH: Update
zlib to 1.2.3, 2007-09-11, v2.6.0~1135) with simpler logic.
---
 Utilities/cmzlib/zconf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Utilities/cmzlib/zconf.h b/Utilities/cmzlib/zconf.h
index 03a9431..6e12b90 100644
--- a/Utilities/cmzlib/zconf.h
+++ b/Utilities/cmzlib/zconf.h
@@ -284,7 +284,7 @@ typedef uLong FAR uLongf;
    typedef Byte       *voidp;
 #endif
 
-#if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */
+#if !defined(_WIN32)
 #  include <sys/types.h> /* for off_t */
 #  include <unistd.h>    /* for SEEK_* and off_t */
 #  ifdef VMS
-- 
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