Strange CYGWIN warning

[Thomas]

I'm getting the following warning on my terminal during build: 

-- Including generated dts.cmake file: D:/Workspaces/azure_iot_hub_9/build_pmi/mcuboot/zephyr/dts.cmake
CMake Warning at D:/ncs/v3.0.1/zephyr/cmake/modules/dts.cmake:428 (message):
dtc raised one or more warnings:

Cygwin WARNING:

Couldn't compute FAST_CWD pointer. This typically occurs if you're using
an older Cygwin version on a newer Windows. Please update to the latest
available Cygwin version from https://cygwin.com/. If the problem persists,
please see https://cygwin.com/problems.html

But I'm reluctant to just install latest version from cygwin as I suppose that the toolchain selected should handle this.

Does anyone see a similar behaviour, and can it be ignored or is something to be updated?

[Øyvind]

Hello, 

Are you actually using cygwin? I've never seen this before. Are you using nRF Connect for VS Code? If so, can you please provide the output from nRF Connect: Generate support information?

Kind regards,
Øyvind

[Thomas]

I am not using cygwin, at least not as far as I know. I am relying on that the SDK and Toolchain installations manage what is being used:

Here are the support info:

// IMPORTANT: The following data can contain sensitive or confidential information about your environment.

// If you do not want others to see this information, make sure to remove it before sharing the data.

// For help and support, visit Nordic Semiconductor's DevZone at devzone.nordicsemi.com/.

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    "electron": "34.3.2",

    "node": "v20.18.3"

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  "system": {

    "date": "2025-05-07T19:27:48.859Z",

    "vscodeRoot": "c:\\Users\\ThomasMaltesen\\AppData\\Local\\Programs\\Microsoft VS Code\\resources\\app",

    "nrfConnectForDesktopInstalled": true,

    "vscodeUptime": "02:38:46",

    "osUptime": "52:04:14",

    "cpu": "Intel(R) Core(TM) i7-9700K CPU @ 3.60GHz"

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          "versionFormat": "string"

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[Øyvind]

Thanks for sharing. I assume that the issue is due to a VS Code extension, but not able to say for sure. Does your project build as expected?

[Thomas]

Right now it builds, but I am worried about strange messages ;-)

I did have a lot of different trouble the last days and projects keep falling apart. This evening a build setup again dissapeared from my project and I had to make a new one :-(/

[Øyvind]

As long as it builds and runs as expected, you should be fine. Warnings and errors from the build itself should be more of interest for you to investigate.

Kind regards,
Øyvind