Silly question, how do I set `-Xenable-jvm-default` in Gradle?

# gradle

[JoeHegarty]

Silly question, how do I set -Xenable-jvm-default in Gradle?

[gildor]

https://blog.jetbrains.com/kotlin/2018/04/kotlin-1-2-40-is-out/#comment-45586

[JoeHegarty]

Perfect, thanks!