From 0cd37ea56f26c08154aadbbbd68f7eb71f944cad Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@us.ibm.com>
Date: Sat, 1 Aug 2020 03:50:55 +0000
Subject: [PATCH] [LibOS] Define struct __kernel_itimerspec for kernel < 4.19.0

Fixes building on RHEL/CentOS 8.2.
---
 LibOS/shim/include/shim_types.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/LibOS/shim/include/shim_types.h b/LibOS/shim/include/shim_types.h
index 2547c30c..2c3814e9 100644
--- a/LibOS/shim/include/shim_types.h
+++ b/LibOS/shim/include/shim_types.h
@@ -56,7 +56,9 @@ struct __kernel_timespec {
     __kernel_time_t tv_sec;         /* seconds */
     long            tv_nsec;        /* nanoseconds */
 };
+#endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
 struct __kernel_itimerspec {
     struct __kernel_timespec it_interval;    /* timer period */
     struct __kernel_timespec it_value;       /* timer expiration */