From 6aeb7e1fa51f04f1253f79fc86da4b608fcb3b59 Mon Sep 17 00:00:00 2001
From: Benoit Sigoure <tsunanet@gmail.com>
Date: Sat, 13 Jun 2015 22:49:52 -0700
Subject: [PATCH] Handle SYS_setns not existing but __NR_setns does.

On some older Fedora distros SYS_setns was not defined, but
__NR_setns is a usable replacement.

Signed-off-by: Benoit Sigoure <tsunanet@gmail.com>
---
 nsenter/nsexec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nsenter/nsexec.c b/nsenter/nsexec.c
index d78e1691c..cd02d00a0 100644
--- a/nsenter/nsexec.c
+++ b/nsenter/nsexec.c
@@ -40,6 +40,9 @@ static int child_func(void *_arg)
 #if __GLIBC__ == 2 && __GLIBC_MINOR__ < 14
 #define _GNU_SOURCE
 #include "syscall.h"
+#if defined(__NR_setns) && !defined(SYS_setns)
+#define SYS_setns __NR_setns
+#endif
 #ifdef SYS_setns
 int setns(int fd, int nstype)
 {