From aba18412cd2c4676f0075e5dede4a72e8de3e854 Mon Sep 17 00:00:00 2001
From: Ryan McGrath <ryan@rymc.io>
Date: Mon, 28 Jun 2021 13:11:41 -0700
Subject: [PATCH] Resolves #11. Pass the actual value, which should compile on
 macOS 10.15.7 and lower.

---
 src/macos/toolbar/enums.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/macos/toolbar/enums.rs b/src/macos/toolbar/enums.rs
index 8ab0c1e..7a5bdd2 100644
--- a/src/macos/toolbar/enums.rs
+++ b/src/macos/toolbar/enums.rs
@@ -87,7 +87,6 @@ extern "C" {
     static NSToolbarShowColorsItemIdentifier: id;
     static NSToolbarShowFontsItemIdentifier: id;
     static NSToolbarSpaceItemIdentifier: id;
-    static NSToolbarSidebarTrackingSeparatorItemIdentifier: id;
 }
 
 impl ItemIdentifier {
@@ -103,7 +102,10 @@ impl ItemIdentifier {
                 Self::Fonts => NSToolbarShowFontsItemIdentifier,
                 Self::Space => NSToolbarSpaceItemIdentifier,
                 Self::ToggleSidebar => NSToolbarToggleSidebarItemIdentifier,
-                Self::SidebarTracker => NSToolbarSidebarTrackingSeparatorItemIdentifier
+
+                // This ensures that the framework compiles and runs on 10.15.7 and lower; it will
+                // not actually work on anything except 11.0+. Use a runtime check to be safe.
+                Self::SidebarTracker => NSString::no_copy("NSToolbarSidebarTrackingSeparatorItemIdentifier").into()
             }
         }
     }