From 8dcf947d585d89db6e6b879cc4699d7ca60bb5e4 Mon Sep 17 00:00:00 2001
From: Derk-Jan Hartman <hartman@videolan.org>
Date: Fri, 10 Oct 2008 14:15:37 +0200
Subject: [PATCH] mmap: Only use MAP_NOCACHE on platforms that support it.

That would be Darwin and some BSDs apparently
---
 modules/access/mmap.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/access/mmap.c b/modules/access/mmap.c
index a5aefd451a..bce52f5314 100644
--- a/modules/access/mmap.c
+++ b/modules/access/mmap.c
@@ -136,7 +136,12 @@ static int Open (vlc_object_t *p_this)
     /* Autodetect mmap() support */
     if (st.st_size > 0)
     {
-        void *addr = mmap (NULL, 1, PROT_READ|PROT_WRITE, MAP_PRIVATE | MAP_NOCACHE, fd, 0);
+        int flags = MAP_PRIVATE;
+#if defined(MAP_NOCACHE)
+        flags |= MAP_NOCACHE;
+#endif
+
+        void *addr = mmap (NULL, 1, PROT_READ|PROT_WRITE, flags, fd, 0);
         if (addr != MAP_FAILED)
             munmap (addr, 1);
         else
-- 
2.39.2