import PackageDescription let deps: [Package.Dependency] #if !os(Linux) deps = [.Package(url: "https://github.com/nuclearace/Starscream", majorVersion: 8)] #else deps = [.Package(url: "https://github.com/vapor/engine", majorVersion: 2)] #endif let package = Package( name: "SocketIO", dependencies: deps, exclude: ["Source/Starscream"] )