PR16460: Fix ia64 compile problem when using 'syscall.umount'.

* runtime/linux/compat_unistd.h: Add '__NR_umount2' for ia64.

diff --git a/runtime/linux/compat_unistd.h b/runtime/linux/compat_unistd.h
index 7417ebaf8e1b2c0f5ccdea83c26a36463bd68b86..d3fdeed093ba772f747af81c057d069528313a12 100644 (file)
--- 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_ */