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 :-(/