This should be added that it requires a newer wayland-protocols that is currently available in Gentoo tree.
wlroots| Dependency wayland-protocols found: NO found 1.26 but need: '>=1.27'
wlroots| Found CMake: /usr/bin/cmake (3.24.2)
wlroots| Run-time dependency wayland-protocols found: NO (tried pkgconfig and cmake)
wlroots| Looking for a fallback subproject for the dependency wayland-protocols
subprojects/wlroots/protocol/meson.build:1:0: ERROR: Neither a subproject directory nor a wayland-protocols.wrap file was found.
This should be added that it requires a newer wayland-protocols that is currently available in Gentoo tree.