New port: x11/wayback

[jsm]

Summary

Wayback is a X11 compatibility layer which allows for running full X11
desktop environments using Wayland components. It is essentially
a stub compositor which provides just enough Wayland capabilities to host
a rootful Xwayland server.

Test Plan

tested in poudriere and runtime on intel igpu

[arrowd]

x11/wayback/Makefile

15

The order is BUILD, LIB, RUN DEPENDS.

24

No need for both GL_ACCOUNT and GL_PROJECT, they match the default.

[diizzy]

I'm not sure it's a good idea to add alpha quality software to the tree though...

Reference:
https://gitlab.freedesktop.org/wayback/wayback

x11/wayback/Makefile

21

...and move USE_GITLAB and GL_SITE to a seprate section

[diizzy]

x11/wayback/Makefile

8

LICENSE_FILE is missing