From f2e62071d1029d83a639e57682b4a775bb9c3015 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Sat, 7 Oct 2023 03:13:25 -0500
Subject: [PATCH] do not enable SDL_OPENGLES if on recent Mesa

apparently my build failed
---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fd435f28..2aeae78c7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -325,6 +325,11 @@ if (USE_SDL2)
       set(SDL_RENDER_D3D OFF CACHE BOOL "Enable the Direct3D render driver" FORCE)
     endif()
 
+    CHECK_INCLUDE_FILE(GLES/gl.h GLES_GL_FOUND)
+    if (NOT GLES_GL_FOUND AND NOT USE_GLES)
+      set(SDL_OPENGLES OFF CACHE BOOL "Enable OpenGL ES" FORCE)
+    endif()
+
     add_subdirectory(extern/SDL EXCLUDE_FROM_ALL)
     list(APPEND DEPENDENCIES_DEFINES HAVE_SDL2)
     list(APPEND DEPENDENCIES_INCLUDE_DIRS extern/SDL/include)