From b84f8006c8792fa7d5818298fbe6a6ce48fcaa94 Mon Sep 17 00:00:00 2001
From: David Smith <dsmith@redhat.com>
Date: Thu, 16 Jan 2014 11:23:12 -0600
Subject: [PATCH] PR16460: Fix ia64 compile problem when using
 'syscall.umount'.

* runtime/linux/compat_unistd.h: Add '__NR_umount2' for ia64.
---
 runtime/linux/compat_unistd.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/runtime/linux/compat_unistd.h b/runtime/linux/compat_unistd.h
index 7417ebaf8..d3fdeed09 100644
--- a/runtime/linux/compat_unistd.h
+++ b/runtime/linux/compat_unistd.h
@@ -87,4 +87,15 @@
 
 #endif	/* __powerpc64__ || __s390x__ */
 
+#if defined(__ia64__)
+
+// On RHEL5 ia64, __NR_umount2 doesn't exist. So, define it in terms
+// of __NR_umount.
+
+#ifndef __NR_umount2
+#define __NR_umount2 __NR_umount
+#endif
+
+#endif	/* __ia64__ */
+
 #endif /* _COMPAT_UNISTD_H_ */
-- 
2.43.5