File fix-opengl-init.patch of Package nakedavp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3878c99..6af6e92 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,7 @@ PROJECT(avp)
 # required dependencies
 INCLUDE(FindOpenGLES2.cmake)
 INCLUDE(FindSDL3.cmake)
+set(OpenGL_GL_PREFERENCE LEGACY)
 INCLUDE(FindOpenGL)
 INCLUDE(FindOpenAL)
 
diff --git a/src/main.c b/src/main.c
index 5a1fc04..c68c4f5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -591,8 +591,8 @@ static void load_opengl_library(const char *lib)
 			return;
 		}
 		
-		fprintf( stderr, "ERROR: no opengl libraries given\n" );
-		exit( EXIT_FAILURE );
+		// fprintf( stderr, "ERROR: no opengl libraries given\n" );
+		// exit( EXIT_FAILURE );
 	}
 	
 	while (lib != NULL && *lib) {
@@ -612,8 +612,8 @@ static void load_opengl_library(const char *lib)
 		lib += strspn(lib, ":");
 	}
 	
-	fprintf(stderr, "ERROR: unable to initialize opengl library: %s\n", SDL_GetError());
-	exit(EXIT_FAILURE);
+	//fprintf(stderr, "ERROR: unable to initialize opengl library: %s\n", SDL_GetError());
+	//exit(EXIT_FAILURE);
 }
 
 /* ** */