Install:
libgtk-3-dev
libglib2.0-dev
A basic "GTK Hello, World" in Kotlin/Native and CMake.
-> https://gist.github.com/kropp/9b8b9578b9421e932f932bb6aed9598a -> https://github.com/JetBrains/kotlin-native/tree/v0.2.0/samples/gtk -> https://github.com/kropp/kotlin-native-gtk