using System; using ObjCRuntime; using System.Runtime.InteropServices; [assembly: LinkWith ("libtest2.a", LinkTarget.Simulator | LinkTarget.ArmV6 | LinkTarget.ArmV7 | LinkTarget.ArmV7s | LinkTarget.Arm64 | LinkTarget.Simulator64, SmartLink = true, Frameworks = "Foundation", LinkerFlags = "-lz")] public static class LibTest { [DllImport ("__Internal")] public static extern int theUltimateAnswer (); }