How do I compile a userspace application for a particular Linux kernel?

问题

I have a Linux kernel source. I am building Linux kernel image from that source. Now, I have a userspace application. How do I compile the userspace application for that particular Linux kernel source?

来源：https://stackoverflow.com/questions/56693772/how-do-i-compile-a-userspace-application-for-a-particular-linux-kernel