From 65a69ea874a3fdb512dc4002e221b2d0908ac8a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kr=C3=B6ning?= <m.kroening@hotmail.de>
Date: Sun, 13 Oct 2019 22:30:41 +0200
Subject: [PATCH] Linux: Use GLVND if available. (#1860)

Fixes #1859.
Uses CMake's FindModule for OpenGL.
---
 StepmaniaCore.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/StepmaniaCore.cmake b/StepmaniaCore.cmake
index c51f169c06..080444dcfb 100644
--- a/StepmaniaCore.cmake
+++ b/StepmaniaCore.cmake
@@ -470,6 +470,7 @@ elseif(LINUX)
     set(HAS_FFMPEG FALSE)
   endif()
 
+  set(OpenGL_GL_PREFERENCE GLVND)
   find_package(OpenGL REQUIRED)
   find_package(GLEW REQUIRED)
 endif(WIN32) # LINUX, APPLE