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

https://github.com/libass/libass/releases/download/0.14.0/libass-0.14.0.tar.xz

cd libass-0.14.0

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static

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

make [0m 23.29s]
sudo make install