From 5855e70d18d7d6705dbe41cd9045fe8a772c885a Mon Sep 17 00:00:00 2001
From: Wong Hoi Sing Edison <hswong3i@pantarei-design.com>
Date: Thu, 23 Mar 2023 12:00:39 +0800
Subject: [PATCH] [1.8.2][CentOS 7] Missing `#include <linux/sched.h>`

The newly introduced `src/libcrun/scheduler.c` by
https://github.com/containers/crun/pull/1166 missing `#include
<linux/sched.h>` for CentOS 7, which result with missing
`SCHED_DEADLINE`.

Moreover, for CentOS 7 build we also need to enable `-std=c99`, or
upgrade build tools to gcc 11 with `. /opt/rh/devtoolset-11/enable`
before build.

See https://stackoverflow.com/a/50085457
See https://github.com/alvistack/containers-crun/blob/alvistack/1.8.2/crun.spec

Signed-off-by: Wong Hoi Sing Edison <hswong3i@pantarei-design.com>
---
 src/libcrun/scheduler.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcrun/scheduler.c b/src/libcrun/scheduler.c
index 3e0a4f9014..ca8ca0e92f 100644
--- a/src/libcrun/scheduler.c
+++ b/src/libcrun/scheduler.c
@@ -22,6 +22,7 @@
 #include "linux.h"
 #include "utils.h"
 #include <sched.h>
+#include <linux/sched.h>
 #include <sys/sysmacros.h>
 #include <limits.h>
 #include <inttypes.h>