From 4943db14330b85052a8b60b97acd431a280959a6 Mon Sep 17 00:00:00 2001
From: Zhicheng Geng <zhichenggeng@utexas.edu>
Date: Fri, 20 Nov 2020 21:42:55 -0600
Subject: [PATCH] Silence OpenGL warnings on macOS for now

---
 pens/main/oglpen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pens/main/oglpen.c b/pens/main/oglpen.c
index 5ce4bef656..c12218be4e 100644
--- a/pens/main/oglpen.c
+++ b/pens/main/oglpen.c
@@ -18,6 +18,7 @@
 */
 
 #ifdef __APPLE__
+#define GL_SILENCE_DEPRECATION
 #include <OpenGL/glu.h>
 #include <GLUT/glut.h>
 #else