From 423193c55298af7adee7999ecfb9c8ef54572afb Mon Sep 17 00:00:00 2001
From: Dave Love <fx@gnu.org>
Date: Fri, 8 Sep 2000 14:10:31 +0000
Subject: (r_alloc_init_fd): Conditionalize on MAP_ANON.

---
 src/ralloc.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/ralloc.c')

diff --git a/src/ralloc.c b/src/ralloc.c
index f6ae887f4c1..65015d5f374 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -1322,10 +1322,12 @@ void r_alloc_free P_ ((POINTER_TYPE **ptr));
 void
 r_alloc_init_fd ()
 {
+#if !MAP_ANON
   /* No anonymous mmap -- we need the file descriptor.  */
   mmap_fd = open ("/dev/zero", O_RDONLY);
   if (mmap_fd < 0)
     fatal ("cannot open /dev/zero");
+#endif
 }
 
 /* Return a region overlapping address range START...END, or null if
-- 
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