From 5cf782acc244ef8563875b35d96386087d521c1a Mon Sep 17 00:00:00 2001
From: Kamron Batman <3953314+kamronbatman@users.noreply.github.com>
Date: Mon, 6 Apr 2026 16:01:21 -0600
Subject: [PATCH] fix: Fixes buildtool detecting icu4c on OSX (#2399)

---
 Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs b/Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs
index 29f9b488c..5334e4a6a 100644
--- a/Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs
+++ b/Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs
@@ -144,7 +144,9 @@ public static class NativeLibraryChecker
         var missing = new List<string>();
         foreach (var formula in formulae)
         {
-            var installed = installedFormulae.Contains(formula);
+            // Check exact match or versioned variant (e.g. "icu4c@78" matches "icu4c")
+            var installed = installedFormulae.Contains(formula) ||
+                installedFormulae.Any(f => f.StartsWith($"{formula}@", StringComparison.OrdinalIgnoreCase));
             if (!installed)
             {
                 missing.Add(formula);