tce-load -i compiletc meson Xorg-7.7-3d-dev freeglut-dev glew-dev glu-dev libdrm-dev libvulkan-dev glslang libxkbcommon-dev wayland-protocols-dev libdecor-dev

wget https://archive.mesa3d.org/demos/mesa-demos-9.0.0.tar.xz

cd mesa-demos-9.0.0

mkdir build
cd build

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --sysconfdir=/etc --buildtype=plain ../

ninja [4m 30.07s]
sudo ninja install

mesa-demos 9.0.0

  User defined options
    buildtype    : plain
    localstatedir: /var
    prefix       : /usr/local
    sysconfdir   : /etc