tce-load -i compiletc libva-dev

cd intel-vaapi-driver-1.8.3

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local -disable-static --localstatedir=/var --sysconfdir=/etc

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make
sudo make install

intel-vaapi-driver configuration summary:

VA-API version ................... : 0.40.0
VA-API drivers path .............. : /usr/local/lib/dri
Windowing systems ................ : drm x11 wayland
Build tests ...................... : no