diff -ur supertuxkart-1.1-src.orig/lib/irrlicht/source/Irrlicht/COSOperator.cpp supertuxkart-1.1-src/lib/irrlicht/source/Irrlicht/COSOperator.cpp
--- supertuxkart-1.1-src.orig/lib/irrlicht/source/Irrlicht/COSOperator.cpp	2020-01-03 19:47:06.000000000 +0100
+++ supertuxkart-1.1-src/lib/irrlicht/source/Irrlicht/COSOperator.cpp	2020-08-18 18:43:24.077097946 +0200
@@ -14,11 +14,6 @@
 #if !defined(_IRR_SOLARIS_PLATFORM_) && !defined(__CYGWIN__)
 #include <sys/param.h>
 #include <sys/types.h>
-#if defined(ANDROID) || (defined(__linux__) && !defined(__GLIBC__))
-#include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
-#endif
 #endif
 #endif