Xv6 ubuntu : gtk initialization failed

[luyuuun]

I have trouble when I write “make qemu”.
I don’t know what to do.
If you know what’s the problem, please tell to me.

[hardBSDk]

Redox building on Windows is not supported:

Building Redox - The Redox Operating System

Try this on one of these systems - Debian/Ubuntu/Pop OS!/Fedora