From 34538d8a937148198982d806afed5022be68e5f7 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Sat, 1 Oct 2011 10:19:36 -0700
Subject: [PATCH] Include zconf.h.cmakein for windows large file support.

---
 zconf.h.cmakein | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/zconf.h.cmakein b/zconf.h.cmakein
index 4a5d9ea..0a36a72 100644
--- a/zconf.h.cmakein
+++ b/zconf.h.cmakein
@@ -414,11 +414,15 @@ typedef uLong FAR uLongf;
 #  define z_off_t long
 #endif
 
-#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
+#if !defined(_WIN32) && (defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0)
 #  define z_off64_t off64_t
 #else
+#  if defined(_WIN32)
+#    define z_off64_t __int64
+#  else
 #  define z_off64_t z_off_t
 #endif
+#endif
 
 #if defined(__OS400__)
 #  define NO_vsnprintf