From 4c99ecfde4b9215cc4c43d0ffe709da3ccfd0d23 Mon Sep 17 00:00:00 2001
From: Yuxuan Shui <yshuiv7@gmail.com>
Date: Sat, 9 Feb 2019 00:16:47 +0000
Subject: [PATCH] Fix compile without opengl

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
---
 src/vsync.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/vsync.c b/src/vsync.c
index d872f7b6..5acf0830 100644
--- a/src/vsync.c
+++ b/src/vsync.c
@@ -229,8 +229,10 @@ void (*const VSYNC_FUNCS_DEINIT[NUM_VSYNC])(session_t *ps) = {
  */
 bool vsync_init(session_t *ps) {
   // Mesa turns on swap control by default, undo that
+#ifdef CONFIG_OPENGL
   if (bkend_use_glx(ps))
     vsync_opengl_swc_swap_interval(ps, 0);
+#endif
 
   if (ps->o.vsync && VSYNC_FUNCS_INIT[ps->o.vsync]
       && !VSYNC_FUNCS_INIT[ps->o.vsync](ps)) {