tce-load -i compiletc cmake libva2-dev intel-gmmlib-dev

wget https://github.com/intel/media-driver/archive/refs/tags/intel-media-21.2.3.tar.gz

cd media-driver-intel-media-21.2.3

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -mtune=generic -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -mtune=generic -Os -pipe -DNDEBUG" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -Wno-dev -DCMAKE_VERBOSE_MAKEFILE=TRUE -DCMAKE_INSTALL_LIBDIR=lib ../

[-fno-rtti] fails

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

make [22m 48.51s]
sudo make install