From d9e90d4556b26d856ddcf849b61954fb7b2cc1c0 Mon Sep 17 00:00:00 2001
From: Dan Berglund <dan@berglund.io>
Date: Tue, 27 May 2025 13:07:28 -0600
Subject: [PATCH] AppKit: Check availability before using macOS 15 API in
 TabController

This keeps the code building on older macOS versions.
---
 UI/AppKit/Interface/TabController.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/UI/AppKit/Interface/TabController.mm b/UI/AppKit/Interface/TabController.mm
index bf1bb4f7c83..fce0b37330b 100644
--- a/UI/AppKit/Interface/TabController.mm
+++ b/UI/AppKit/Interface/TabController.mm
@@ -103,7 +103,9 @@ static NSString* const TOOLBAR_TAB_OVERVIEW_IDENTIFIER = @"ToolbarTabOverviewIde
         self.toolbar = [[NSToolbar alloc] initWithIdentifier:TOOLBAR_IDENTIFIER];
         [self.toolbar setDelegate:self];
         [self.toolbar setDisplayMode:NSToolbarDisplayModeIconOnly];
-        [self.toolbar setAllowsDisplayModeCustomization:NO];
+        if (@available(macOS 15, *)) {
+            [self.toolbar setAllowsDisplayModeCustomization:NO];
+        }
         [self.toolbar setAllowsUserCustomization:NO];
         [self.toolbar setSizeMode:NSToolbarSizeModeRegular];