From 15cbddf49751b46967738f5ae2b50d693c183517 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Sun, 13 Dec 2020 18:00:20 +0300
Subject: [PATCH] linux/SDL_threadprio.c: fix build on older systems:

SCHED_RESET_ON_FORK is in kernel >= 2.6.32.
---
 src/core/linux/SDL_threadprio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/linux/SDL_threadprio.c b/src/core/linux/SDL_threadprio.c
index 5b1835c9c..74167a4c7 100644
--- a/src/core/linux/SDL_threadprio.c
+++ b/src/core/linux/SDL_threadprio.c
@@ -36,6 +36,10 @@
 #ifndef RLIMIT_RTTIME
 #define RLIMIT_RTTIME 15
 #endif
+/* SCHED_RESET_ON_FORK is in kernel >= 2.6.32. */
+#ifndef SCHED_RESET_ON_FORK
+#define SCHED_RESET_ON_FORK 0x40000000
+#endif
 
 #include "SDL_dbus.h"