From c6caad1d8c811b6342c0288d26000aeaff9520db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joni=20R=C3=A4s=C3=A4nen?= <joni.rasanen@iki.fi>
Date: Fri, 28 Apr 2023 14:25:43 +0300
Subject: [PATCH] Fix compilation if sys/sysctl.h is not present

Glibc 2.32 removes sys/sysctl.h as it is no longer needed. This commit uses
__has_include to check whether the header exists and only includes it if it
does.
---
 libavutil/cpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index a22da0fa..a00773fb 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -39,8 +39,11 @@
 #include <sys/param.h>
 #endif
 #include <sys/types.h>
+
+#if __has_include(<sys/sysctl.h>)
 #include <sys/sysctl.h>
 #endif
+#endif
 #if HAVE_UNISTD_H
 #include <unistd.h>
 #endif