From 2e04ce09154a078910a7878f2e36905f458f309f Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Sun, 4 Mar 2012 11:26:25 -0800
Subject: [PATCH] Make sure that O_EXCL is used portably.

---
 gzlib.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gzlib.c b/gzlib.c
index fec7fbf..4732fcc 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -196,10 +196,13 @@ local gzFile gz_open(path, fd, mode)
 #endif
             (state->mode == GZ_READ ?
                 O_RDONLY :
-                (O_WRONLY | O_CREAT | (exclusive ? O_EXCL : 0) | (
-                    state->mode == GZ_WRITE ?
-                        O_TRUNC :
-                        O_APPEND))),
+                (O_WRONLY | O_CREAT |
+#ifdef O_EXCL
+                 (exclusive ? O_EXCL : 0) |
+#endif
+                 (state->mode == GZ_WRITE ?
+                    O_TRUNC :
+                    O_APPEND))),
             0666);
     if (state->fd == -1) {
         free(state->path);
-- 
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