From 5d7f0edfebb9829eb167770f943970203bdf63c0 Mon Sep 17 00:00:00 2001
From: der richter <der.richter@gmx.de>
Date: Sat, 8 Feb 2020 11:00:55 +0100
Subject: cocoa-cb: fix auto-selection of title bar style with older SDKs

returning a nil value only works when build with a +10.14 SDK otherwise
we need to fallback to the old mechanism.
---
 video/out/cocoa-cb/title_bar.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/video/out/cocoa-cb/title_bar.swift b/video/out/cocoa-cb/title_bar.swift
index 20812e9029..98367e5d1c 100644
--- a/video/out/cocoa-cb/title_bar.swift
+++ b/video/out/cocoa-cb/title_bar.swift
@@ -199,7 +199,11 @@ class TitleBar: NSVisualEffectView {
                 return NSAppearance(named: .accessibilityHighContrastVibrantDark)
             case "0", "auto": fallthrough
             default:
+#if HAVE_MACOS_10_14_FEATURES
                 return nil
+#else
+                break
+#endif
             }
         }
 
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