iOS fix

Author: michalChrobot

testproject/Assets/Editor.meta

@@ -0,0 +1,31 @@
+#if UNITY_IOS
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditor.iOS.Xcode;
+
+public static class IOSLinkerPostProcessor
+{
+    [PostProcessBuild(1000)]
+    public static void OnPostprocessBuild(BuildTarget target, string pathToBuiltProject)
+    {
+        if (target != BuildTarget.iOS)
+        {
+            return;
+        }
+
+        var projectPath = PBXProject.GetPBXProjectPath(pathToBuiltProject);
+        var project = new PBXProject();
+        project.ReadFromFile(projectPath);
+
+        // Xcode 15's default linker cannot reach objc_msgSend selector stubs across the >128MB
+        // IL2CPP Debug test binary; the classic linker inserts branch islands to keep the ARM64
+        // B/BL calls in range.
+        foreach (var guid in new[] { project.GetUnityMainTargetGuid(), project.GetUnityFrameworkTargetGuid() })
+        {
+            project.AddBuildProperty(guid, "OTHER_LDFLAGS", "-Wl,-ld_classic");
+        }
+
+        project.WriteToFile(projectPath);
+    }
+}
+#endif