old_contents: {
    "targets": [
      {
          "target_name": "randomprime",
          "sources": [ "./native/randomprime.c" ],
          "libraries": [
            "-l<(module_root_dir)/native/lib/randomprime",
            "-lcredui.lib",
            "-lmsimg32.lib",
            "-lopengl32.lib",
            "-lsecur32.lib",
            "-lsetupapi.lib",
            "-lws2_32.lib",
            "-luserenv.lib",
            "-lmsvcrt.lib"
          ]
      }
    ]
  }
new_contents: {
    "targets": [
      {
        "target_name": "randomprime",
        "sources": [ "./native/randomprime.c" ],
        "conditions": [
          ["OS=='win'", {
            "libraries": [
              "-l<(module_root_dir)/native/lib/randomprime",
              "-lcredui.lib",
              "-lmsimg32.lib",
              "-lopengl32.lib",
              "-lsecur32.lib",
              "-lsetupapi.lib",
              "-lws2_32.lib",
              "-luserenv.lib",
              "-lmsvcrt.lib"
            ]
          }]
        ]
      }
    ]
  }
  
subject: Set extra libraries on windows condition only