From d97cd39f42f1aebfab4e98fb78ea915bf448546b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 5 Aug 2012 15:40:06 +0000
Subject: io.c: suppress unused variable warnings

* io.c (pipe_open): suppress warnings agains variable which are used
  when spawnv is available but fork is not.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/io.c b/io.c
index 33b609e915..52eb49574b 100644
--- a/io.c
+++ b/io.c
@@ -5506,8 +5506,10 @@ pipe_open(VALUE execarg_obj, const char *modestr, int fmode, convconfig_t *convc
 				      spawnv(P_NOWAIT, (cmd), (args)) : \
 				      spawn(P_NOWAIT, (cmd)))
 # endif
+# if !defined(HAVE_FORK)
     char **args = NULL;
     char **envp = NULL;
+# endif
 #endif
 #if !defined(HAVE_FORK)
     struct rb_execarg sarg, *sargp = &sarg;
-- 
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