tce-load -wil compiletc meson wayland-protocols git wlroots-dev cmake librsvg-dev

https://github.com/labwc/labwc/archive/refs/tags/0.6.6.tar.gz

cd labwc-0.6.6
mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe -fno-asynchronous-unwind-tables" CXX="g++ flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" meson setup --prefix=/usr/local

meson compile
[payload is ./labwc]