```ruby

Pod::Spec.new do |s|
  s.name                  = "SwiftyZeroMQ"
  s.version               = "1.0.19"
  s.summary               = "ZeroMQ Swift Bindings for iOS."
  s.description           = <<-DESC
    This library provides easy-to-use iOS Swift bindings for the ZeroMQ C++
    library. It is written in Swift 3 and features a bundled stable iOS
    libzmq library. It provides ZeroMQ's low-level API along with an
    object-oriented API
                               DESC
  s.homepage              = "https://github.com/azawawi/SwiftyZeroMQ"
  s.license               = "MIT"
  s.author                = {
    "Ahmad M. Zawawi" => "ahmad.zawawi@gmail.com"
  }
  s.source                = {
    :git => "https://github.com/azawawi/SwiftyZeroMQ.git",
    :tag => "#{s.version}"
  }
  s.ios.deployment_target = "9.0"
  s.watchos.deployment_target = "2.0"
  s.tvos.deployment_target = "9.0"
  s.libraries             = "stdc++"
  s.source_files          = "Sources/*.{h,swift}"
  s.vendored_libraries    = "Sources/libzmq.a"
  s.preserve_paths        = "Sources/*.{a,h}"
end
```

Add MacOS target to cocoapod
user
```ruby

Pod::Spec.new do |s|
  s.name                  = "SwiftyZeroMQ"
  s.version               = "1.0.19"
  s.summary               = "ZeroMQ Swift Bindings for iOS."
  s.description           = <<-DESC
    This library provides easy-to-use iOS Swift bindings for the ZeroMQ C++
    library. It is written in Swift 3 and features a bundled stable iOS
    libzmq library. It provides ZeroMQ's low-level API along with an
    object-oriented API
                               DESC
  s.homepage              = "https://github.com/azawawi/SwiftyZeroMQ"
  s.license               = "MIT"
  s.author                = {
    "Ahmad M. Zawawi" => "ahmad.zawawi@gmail.com"
  }
  s.source                = {
    :git => "https://github.com/azawawi/SwiftyZeroMQ.git",
    :tag => "#{s.version}"
  }
  s.ios.deployment_target = "9.0"
  s.macos.deployment_target = "10.11"
  s.tvos.deployment_target = "9.0"
  s.watchos.deployment_target = "2.0"
  s.libraries             = "stdc++"
  s.source_files          = "Sources/*.{h,swift}"
  s.vendored_libraries    = "Sources/libzmq.a"
  s.preserve_paths        = "Sources/*.{a,h}"
end
```
assistant