tce-load -i compiletc fribidi-dev harfbuzz-dev fontconfig-dev nasm

wget https://github.com/libass/libass/releases/download/0.17.2/libass-0.17.2.tar.xz

cd libass-0.17.2

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

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

make [0m 13.35s]
sudo make install