wlroots, packaged for the Zig build system.
First, update your build.zig.zon:
zig fetch --save git+https://github.com/allyourcodebase/wlroots.git
Then in your build.zig:
const dep = b.dependency("wlroots", .{ .target = target, .optimize = optimize });
exe.linkLibrary(dep.artifact("wlroots"));