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kotlinlang

would it be worth a feature request to have a more specific warning for this/not break -Werror? Since it's controlled at the gradle level it's not possible to suppress this warning without suppressing warnings for _all_ elements in the project

```w: K2 kapt is in Alpha. Use with caution.
e: warnings found and -Werror specified```

You can describe your situation in <https://youtrack.jetbrains.com/issue/KT-73571|KT-73571>

BTW the specific problem with warning about K2 KAPT will be gone in 2.1.20, as we switched the default

<@U0ANUS2BA> that flag doesn't actually appear to change anything in 2.1.0 when I test it. The generate stubs task still emits a warning

Are you sure you've applied it to the correct task?

yes, applied on the generate stubs task, which is the one that emits the warning

And no other code modifies `freeCompilerArgs` for this task?

not in a destructive way, no. Append-only

I have no idea how that's possible. The warning was literally guarded on the condition of there being no `-Xsuppress-version-warnings` in the compiler arguments. If you feel adventurous, you can dump compiler arguments by passing `--debug` to Gradle (output to file since it's very large) and try looking for it there. But anyway, this warning is removed in 2.1.20.

Adding the flag like this doesn’t work for me
```tasks.withType(org.jetbrains.kotlin.gradle.tasks.KaptGenerateStubs.class).configureEach {
    compilerOptions {
        freeCompilerArgs.add("-Xsuppress-version-warnings")
    }
}```
But adding it globally through the extension works
```kotlin {
    compilerOptions {
        freeCompilerArgs.add("-Xsuppress-version-warnings")
    }
}```
I’ve checked the debug logs and only in the second case `-Xsuppress-version-warnings` was in the compiler args

Iiiinteresting. Yeah I did it through the task directly as well