{
  "targets": [
    {
      "target_name": "nml_addon",
      "sources": [
        "src/cpp/nml_addon.cc",
        # liblinuxcnc.a also contains milltask-only objects.  A Node process
        # is a standalone NML client, so compile the client-side message
        # implementations below instead of inheriting task-process symbols
        # from that archive.
        "src/cpp/linuxcnc_emc_globals.cc",
        "src/cpp/linuxcnc_emc_format.cc",
        "src/cpp/linuxcnc_emc_ops.cc",
        "src/cpp/linuxcnc_modal_state.cc",
        "src/cpp/common.cc",
        "src/cpp/stat_channel.cc",
        "src/cpp/command_channel.cc",
        "src/cpp/command_worker.cc",
        "src/cpp/error_channel.cc",
        "src/cpp/position_logger.cc"
      ],
      "include_dirs": [
        "<!@(node -p \"require('node-addon-api').include\")"
      ],
      "dependencies": [
        "<!(node -p \"require('node-addon-api').gyp\")"
      ],
      "cflags!": [ "-fno-exceptions" ],
      "cflags_cc!": [ "-fno-exceptions" ],
      "conditions": [
        ["OS=='linux'", {
          "variables": {
            # Define include directories as a variable so we can reuse them
            "linuxcnc_rip_dir": "<!(node -p \"process.env.EMC2_HOME || process.env.LINUXCNC_HOME || ''\")",
            "linuxcnc_lib_dir": "<!(node -p \"process.env.LINUXCNC_LIB || ''\")",
          },
          "conditions": [
            ["linuxcnc_rip_dir!=''", {
              "include_dirs": [
                "<(linuxcnc_rip_dir)/src/emc/ini",
                "<(linuxcnc_rip_dir)/src/emc/kinematics",
                "<(linuxcnc_rip_dir)/src/emc/rs274ngc",
                "<(linuxcnc_rip_dir)/src/emc/nml_intf",
                "<(linuxcnc_rip_dir)/src/emc/tooldata",
                "<(linuxcnc_rip_dir)/src/emc/motion",
                "<(linuxcnc_rip_dir)/src/emc/sai",
                "<(linuxcnc_rip_dir)/src/emc/tp",
                "<(linuxcnc_rip_dir)/src/emc",
                "<(linuxcnc_rip_dir)/src",
                "<(linuxcnc_rip_dir)/src/hal",
                "<(linuxcnc_rip_dir)/src/libnml/buffer",
                "<(linuxcnc_rip_dir)/src/libnml/cms",
                "<(linuxcnc_rip_dir)/src/libnml/linklist",
                "<(linuxcnc_rip_dir)/src/libnml/nml",
                "<(linuxcnc_rip_dir)/src/libnml/os_intf",
                "<(linuxcnc_rip_dir)/src/libnml/posemath",
                "<(linuxcnc_rip_dir)/src/libnml/rcs",
                "<(linuxcnc_rip_dir)/src/rtapi",
                "<(linuxcnc_rip_dir)/include",
                "./include/linuxcnc",
                "<!(echo ${LINUXCNC_INCLUDE:-})",
                "/usr/include/linuxcnc",
                "/usr/local/include/linuxcnc"
              ]
            }],
            ["linuxcnc_rip_dir==''", {
              "include_dirs": [
                "./include/linuxcnc",
                "<!(echo ${LINUXCNC_INCLUDE:-})",
                "/usr/include/linuxcnc",
                "/usr/local/include/linuxcnc"
              ]
            }],
            ["linuxcnc_lib_dir!=''", {
              "ldflags": [
                "-Wl,-rpath,<(linuxcnc_lib_dir)"
              ]
            }]
          ],
          "libraries": [
            "-lnml",
            "-llinuxcncini",
            "-ltooldata"
          ],
          "library_dirs": [
            "/usr/lib",
            "/usr/local/lib", 
            "/usr/lib/x86_64-linux-gnu",
            "<!(echo ${LINUXCNC_LIB:-})"
          ],
          "cflags_cc": [ 
            "-std=c++17",
            "-DULAPI"
          ],
        }]
      ],
      "defines": [ 
        "NAPI_CPP_EXCEPTIONS"
      ]
    }
  ]
}