tce-load -i mesa-dev

cd libva-1.6.1

CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -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

libva - 1.6.1 (VA-API 0.38.0)

Installation prefix .............. : /usr/local
Default driver path .............. : ${exec_prefix}/lib/dri
Extra window systems ............. : drm x11 glx egl
Build dummy driver ............... : yes
Build documentation .............. : no