tce-load -i compiletc cmake ninja dav1d-dev libaom-dev svt-av1-dev gdk-pixbuf2-dev

wget https://github.com/AOMediaCodec/libavif/archive/v1.4.1/libavif-1.4.1.tar.gz

cd libavif-1.4.1

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DAVIF_CODEC_AOM=SYSTEM -DAVIF_CODEC_DAV1D=SYSTEM -DAVIF_CODEC_SVT=SYSTEM -DAVIF_LIBYUV=OFF -DAVIF_BUILD_GDK_PIXBUF=ON -G Ninja ../

ninja [0m 11.18s]
sudo ninja install