File no-boost-system.patch of Package traingame

From ca3ac04f4e5f7132b6a199d513d125f954ddb00f Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Fri, 5 Dec 2025 11:22:03 +0000
Subject: [PATCH] Drop boost_system

as upstream boost no more provides it
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48de1c2..d681cac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,7 @@ find_package (SDL_image REQUIRED)
 find_package (OpenGL REQUIRED)
 find_package (GLEW REQUIRED)
 find_package (Boost 1.37 REQUIRED 
-  COMPONENTS filesystem program_options system) 
+  COMPONENTS filesystem program_options)
 find_package (Freetype REQUIRED)
 
 if (NOT WIN32)
-- 
2.51.0