Non default build folder.

[swojtasiak]

If build folder is other than "builddir", "Could not fetch targets. See Meson Build output tab for more info." information is shown while a mason task is run. The "Mason Build" output shows "false" only, instead of an information about the issue.

[Ongy]

Did you configure the project first? Either via the command inside vscode, or by calling meson directly?

[Ongy]

That is, configured into the configured build directory.
The error messages aren't too helpful when the directory doesn't exist, but it works for me when it does.

[swojtasiak]

Yes as far as I remember the project was configured using mason directly before it was opened in vscode.

[MGilleronFJ]

I think I had this issue too, I had already done meson setup build before in a command line (I prefer build to builddir). Then I opened VSCode and the Meson extension didn't seem to find my already-configured build directory. I restarted again and noticed it prompted a notification asking if I want to configure the project. Before clicking a button, I went to settings of the extension, saw it had a build folder setting, which I changed to build to match my folder. Then I clicked Yes to configure the build. It took a while, and indeed it had created another builddir next to my already-configured build folder... (however this time I could see targets). I closed VSCode, deleted that extra build folder, launched VSCode again and it prompted again if I want to configure the build folder. Clicked Yes, and finally it detected my build folder.