From 449ef692357d3eb5786250d3db0d731eb53b98c3 Mon Sep 17 00:00:00 2001
From: malc <av1474@comtv.ru>
Date: Tue, 13 Mar 2012 05:10:18 +0400
Subject: [PATCH] Better guard

---
 link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/link.c b/link.c
index 561bcb4..717b145 100644
--- a/link.c
+++ b/link.c
@@ -2615,7 +2615,7 @@ CAMLprim value ml_popen (value command_v, value fds_v)
         goto fail1;
     }
 
-#ifdef __linux__
+#ifdef POSIX_SPAWN_USEVFORK
     if ((ret = posix_spawnattr_setflags (&attr, POSIX_SPAWN_USEVFORK)) != 0) {
         msg =  "posix_spawnattr_setflags POSIX_SPAWN_USEVFORK";
         earg_v = Nothing;
-- 
2.11.4.GIT